WO2005036061A1 - 空気調和装置 - Google Patents
空気調和装置 Download PDFInfo
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- WO2005036061A1 WO2005036061A1 PCT/JP2004/014933 JP2004014933W WO2005036061A1 WO 2005036061 A1 WO2005036061 A1 WO 2005036061A1 JP 2004014933 W JP2004014933 W JP 2004014933W WO 2005036061 A1 WO2005036061 A1 WO 2005036061A1
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- WIPO (PCT)
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- heat exchanger
- air
- adsorption heat
- adsorption
- heat exchange
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
- F24F3/1423—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant with a moving bed of solid desiccants, e.g. a rotary wheel supporting solid desiccants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
- F24F3/1429—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant alternatively operating a heat exchanger in an absorbing/adsorbing mode and a heat exchanger in a regeneration mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1016—Rotary wheel combined with another type of cooling principle, e.g. compression cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1032—Desiccant wheel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1056—Rotary wheel comprising a reheater
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1068—Rotary wheel comprising one rotor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1084—Rotary wheel comprising two flow rotor segments
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/021—Indoor unit or outdoor unit with auxiliary heat exchanger not forming part of the indoor or outdoor unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/0272—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using bridge circuits of one-way valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/16—Receivers
Definitions
- the present invention relates to an air conditioner for processing indoor sensible heat load and latent heat load.
- An air conditioner that cools and dehumidifies air is known. This air conditioner is located on the heat source side.
- a refrigerant circuit provided with outdoor heat exchange and indoor heat exchange on the user side is provided, and the refrigerant circuit circulates refrigerant to perform a refrigeration cycle.
- the refrigerant evaporation temperature in the indoor heat exchanger is set lower than the dew point temperature of the indoor air, and the indoor air is dehumidified by condensing water in the indoor air.
- a dehumidifier equipped with a heat exchanger having a surface provided with an adsorbent is also known.
- This dehumidifier has two heat exchangers provided with an adsorbent, and performs an operation of dehumidifying air on one of them and regenerating the other.
- the water cooled by the cooling tower is supplied to the heat exchanger that adsorbs the moisture, and the hot wastewater is supplied to the regenerated heat exchanger.
- the dehumidifier supplies the air dehumidified by the operation described above to the room.
- the refrigerant evaporation temperature in the indoor heat exchanger is set lower than the dew point temperature of the indoor air to condense the moisture in the air. Processing indoor latent heat load.
- the sensible heat load can be processed even if the refrigerant evaporation temperature during indoor heat exchange is higher than the dew point temperature of indoor air, the refrigerant evaporation temperature at the indoor heat exchanger must be set to a lower value to process the latent heat load. Is set to. Therefore, there is a problem that the pressure difference between the high and low pressures of the refrigeration cycle becomes large, and the input to the compressor is large and low, and the COP (coefficient of performance) cannot be obtained.
- the present invention has been made in view of the advantages of the present invention, and an object of the present invention is to provide an air conditioner capable of processing both indoor sensible heat load and latent heat load and obtaining a high COP. It is to provide a device.
- the first solution is to perform a refrigeration cycle by circulating a refrigerant in a refrigerant circuit (10) provided with a heat source-side heat exchanger (21) and a use-side heat exchanger. It is intended for air conditioners that supply the air that has passed through the room to the room to process the sensible heat load and the latent heat load in the room.
- the refrigerant circuit (10) includes an adsorption heat exchanger (30, 31, 32) having a surface provided with an adsorbent as a use-side heat exchanger, and removes moisture in air from the adsorption heat exchanger (30).
- the adsorbing operation for adsorbing water at (30, 31, 32) and the regenerating operation for desorbing water from the adsorbing heat exchange (30, 31, 32) are alternately performed.
- a second solution is the air conditioner according to the first solution, wherein the refrigerant circuit (10) includes an air heat exchanger for exchanging air with the refrigerant in addition to the adsorption heat exchangers (30, 31, 32).
- the air heat exchanger (22) as an evaporator and the heat source side heat exchanger (21) as a condenser, or the air heat exchanger (22) as a use side heat exchanger.
- the sensible heat load is processed.
- a third solution is that in the second solution, the refrigerant circuit (10) is configured such that the adsorption heat exchange ⁇ (30, 31, 32) becomes an evaporator and the adsorption heat exchange ⁇ ( 30, 31, 32) alternately repeats the operation of becoming a condenser.
- the adsorption heat exchanger (30, 31, 32) which is the evaporator.
- moisture is desorbed from the adsorption heat exchange ⁇ (30, 31, 32) to humidify the air, and the adsorption heat exchange (30, The air dehumidified or humidified in (31, 32) is supplied into the room to process the latent heat load in the room.
- a fourth solution is the above-mentioned second solution, wherein the refrigerant circuit (10) includes first and second adsorption heat exchangers (31, 32). (31) becomes an evaporator and the second adsorption heat exchanger (32) becomes a condenser, and the first adsorption heat exchanger (31) becomes a condenser and the second adsorption heat exchanger (32) is configured to alternately repeat the operation of becoming an evaporator.In the adsorption operation, the air in the air is adsorbed by the adsorption heat exchange (31, 32) that is an evaporator to remove air.
- the air becomes humidified by desorbing water from the adsorption heat exchanger (31, 32) while being dehumidified, and dehumidified by the adsorption heat exchanger (31, 32) or
- the humidified air is supplied to the room to process the latent heat load in the room.
- a fifth solution is the above-mentioned second solution, wherein the refrigerant circuit (10) includes first and second adsorption heat exchangers (31, 32). (31) becomes the evaporator and the second adsorption heat exchanger (32) is stopped, and the second adsorption heat exchanger (32) becomes the evaporator and the first adsorption heat exchange (31)
- the adsorption heat exchange ⁇ (31, 32), which is an evaporator, adsorbs moisture in the air to dehumidify the air while regenerating.
- air is supplied to the adsorption heat exchangers (31, 32) that are inactive to remove water from the adsorption heat exchanges (31, 32), and the adsorption heat exchanges (31, 32) serving as evaporators are performed.
- the air dehumidified in 32) or the air humidified by the adsorption heat exchange (31, 32) during suspension is supplied to the room to process the latent heat load in the room.
- a sixth solution is the above-mentioned second solution, wherein the refrigerant circuit (10) includes first and second adsorption heat exchangers (31, 32). (31) acts as a condenser and the second adsorption heat exchanger (32) stops, and the second adsorption heat exchanger (32) acts as a condenser and the first adsorption heat exchange (31) In the adsorption operation, moisture in the air is adsorbed by the adsorption heat exchange (31, 32) during the pause, and in the regeneration operation, the adsorption heat exchange acting as a condenser is performed.
- the humidified air in step 32) is supplied into the room to process the latent heat load in the room.
- a seventh solution is the above third, fourth, fifth or sixth solution, wherein the air cooled by the air heat exchange (22) and the adsorption heat exchange (30, 31, 32) ) Air dehumidified by Dehumidifying / cooling operation for supplying air to the room, and humidifying and heating operation for supplying air heated by the air heat exchange (22) and air humidified by the adsorption heat exchanger (30, 31, 32) to the room And can be switched.
- An eighth solution is the refrigerant circuit according to the first solution, wherein the refrigerant circuit (10) includes only the first and second adsorption heat exchangers (31, 32) as use-side heat exchangers, An operation in which the first and second adsorption heat exchangers (31, 32) alternately become evaporators and the heat source side heat exchange (21) becomes a condenser, or the first and second adsorption heat exchangers (31, 32) 32) are alternately used as condensers, and the heat source side heat exchanger (21) is configured to operate as an evaporator.
- the air that has passed through or the air that has passed through the adsorption heat exchanger (31, 32) as a condenser is supplied to the room to process the sensible heat load and the latent heat load in the room.
- the refrigerant circuit (10) is configured such that the first adsorption heat exchanger (31) becomes an evaporator and the second adsorption heat exchanger (32) ) Becomes a condenser and the first adsorption heat exchanger (31) becomes a condenser and the second adsorption heat exchanger (32) becomes an evaporator.
- the adsorption heat exchange (31, 32) which is an evaporator, adsorbs moisture in the air to dehumidify the air
- the adsorption heat exchange (31, 32) which is a condenser To dehumidify the air and humidify the air.
- a tenth solution is the twelfth solution according to the eighth solution, wherein the refrigerant circuit (10) comprises a second adsorption heat exchanger (31) in which the first adsorption heat exchanger (31) functions as an evaporator. 32), and the second adsorption heat exchange (32) becomes an evaporator and the first adsorption heat exchange (31) pauses.
- the refrigerant circuit (10) comprises a second adsorption heat exchanger (31) in which the first adsorption heat exchanger (31) functions as an evaporator. 32), and the second adsorption heat exchange (32) becomes an evaporator and the first adsorption heat exchange (31) pauses.
- the adsorption heat exchanger (31, 32) adsorbs moisture in the air to dehumidify the air, and in the regeneration operation, supplies air to the adsorption heat exchange (31, 32) that is inactive to supply air. Force Desorbs moisture.
- An eleventh solution is the heat treatment device according to the eighth solution, wherein the refrigerant circuit (10) comprises a second adsorption heat exchanger (31) in which the first adsorption heat exchanger (31) functions as a condenser. 32), and the operation in which the second adsorption heat exchange (32) becomes a condenser and the first adsorption heat exchange (31) pauses is alternately repeated.
- Adsorption heat exchangers (31, 32) adsorb the moisture in the air to the adsorption heat exchangers (31, 32) in the air Power Dehumidifies water to humidify air.
- a twelfth solution is the dehumidifier according to the ninth, tenth or eleventh solution, wherein the air that has passed through the adsorption heat exchanger (31, 32) serving as an evaporator is supplied indoors. It is possible to switch between a cooling operation and a humidification and heating operation in which air passing through the adsorption heat exchangers (31, 32), which are condensers, is supplied indoors.
- a thirteenth solution is the twelfth solution according to the first, second or eighth solution, wherein the refrigerant circuit (10) comprises a heat source side heat exchanger (21) and an adsorption heat exchanger (30, 31, 32). ) Can simultaneously operate as a condenser, during which operation the refrigerant passes through the heat source side heat exchanger (21) and then flows into the adsorption heat exchange ⁇ (30,31,32), which becomes the condenser. It is composed of
- the refrigerant circuit (10) is configured such that the air heat exchanger (22) and the adsorption heat exchanger (30, 31, 32) simultaneously operate as a condenser.
- the refrigerant passes through the air heat exchanger (22) serving as a condenser and then flows into the adsorption heat exchanger (30, 31, 32) serving as a condenser. It is something.
- a fifteenth solution is the method according to the first, second or eighth solution, wherein the refrigerant circuit (10) includes a heat source side heat exchanger (21) and an adsorption heat exchanger (30, 31, 32). ) Can simultaneously operate as a condenser. During this operation, refrigerant flows into the heat source side heat exchange ⁇ (21) after passing through the adsorption heat exchanger (30, 31, 32) as the condenser. It is configured to do so.
- the refrigerant circuit (10) is configured such that the air heat exchanger (22) and the adsorption heat exchanger (30, 31, 32) simultaneously operate as a condenser.
- the refrigerant passes through the adsorption heat exchange ⁇ (30, 31, 32) which becomes the condenser and then flows into the air heat exchange ⁇ (22) which becomes the condenser. It is composed of
- the refrigerant circuit (10) includes a heat source side heat exchanger (21) and an adsorption heat exchanger (30, 31, 32). ) Can simultaneously operate as an evaporator.
- the refrigerant flows into the adsorption heat exchange ⁇ (30,31,32) which becomes the evaporator after passing through the heat source side heat exchanger (21). It is configured to do so.
- An eighteenth solution is the above-mentioned second solution, wherein the refrigerant circuit (10) is configured such that the air heat exchanger (22) and the adsorption heat exchanger (30, 31, 32) are simultaneously operated with the evaporator. During this operation, the refrigerant passes through the air heat exchange (22) as the evaporator, and then becomes the adsorption heat exchange as the evaporator. ⁇ (30, 31, 32).
- the refrigerant circuit (10) comprises a heat source side heat exchanger (21) and an adsorption heat exchanger (30, 31, 32).
- adsorption heat exchanger (30, 31, 32).
- a twentieth solution is the twelfth solution, wherein the refrigerant circuit (10) is configured such that the air heat exchanger (22) and the adsorption heat exchanger (30, 31, 32) are simultaneously operated with the evaporator. During the operation, the refrigerant passes through the adsorption heat exchange ⁇ (30, 31, 32) as the evaporator and then flows into the air heat exchange ⁇ (22) as the evaporator. It is composed of
- the refrigerant circuit (10) includes first and second adsorption heat exchangers (31, 32) as use side heat exchangers.
- the refrigerant circuit (10) includes a first circuit (11) in which a heat source side heat exchange (21), an opening degree variable expansion valve (41), and an air heat exchange (22) are arranged in series, and a first circuit (11).
- a second circuit (12) in which an adsorption heat exchanger (31), a variable-opening expansion valve (42) and a second adsorption heat exchange (32) are arranged in series is connected in parallel with each other. .
- a twenty-second solution is the solution according to the third, fourth or fifth solution, wherein the refrigerant circuit (10) comprises a heat source side heat exchanger (21) and an air heat exchanger (22). It is possible to set the refrigerant evaporating temperature in the evaporator and the refrigerant evaporating temperature in the evaporator adsorption heat exchangers (30, 31, 32) to different values. Things.
- a twenty-third solution is the liquid crystal display device according to the third, fourth, or sixth solution, wherein the refrigerant circuit (10) includes a heat source side heat exchanger (21) and an air heat exchanger (22). It is possible to set the refrigerant condensation temperature at the side where the refrigerant is condensed and the refrigerant condensation temperature at the adsorption heat exchangers (30, 31, 32) that are the condenser to different values. Things.
- a twenty-fourth solution is the first solution, further comprising a heat exchange element (90) for exchanging heat between the first air and the second air, wherein at least one of the first air and the second air is provided.
- a heat exchange element 90
- One is air for adsorption or air for regeneration before passing through the adsorption heat exchangers (30, 31, 32).
- a twenty-fifth solution is that, in the first solution, a latent heat treatment of air is provided in a flow path of the adsorption air or the regeneration air passing through the adsorption heat exchanger (30, 31, 32).
- Latent heat treatment Physical element (95) is provided.
- the heat source side heat exchanger (21) and the use side heat exchange are provided in the refrigerant circuit (10) of the air conditioner.
- the refrigerant circuit (10) one or a plurality of adsorption heat exchanges (30, 31, 32) are provided as use-side heat exchanges.
- the absolute humidity of the air passing through the adsorption heat exchange (30, 31, 32) is adjusted by contact with the adsorbent.
- the air is dehumidified by performing an adsorption operation of adsorbing moisture in the air to the adsorbent of the adsorption heat exchanger (30, 31, 32).
- the adsorbent power of the adsorption heat exchange (30, 31, 32) is also humidified by the desorbed moisture if the regeneration operation for desorbing water is performed.
- the air conditioner performs a refrigeration cycle by circulating the refrigerant in the refrigerant circuit (10) and supplies the air that has passed through the use-side heat exchanger to the room to process the sensible heat load and the latent heat load in the room.
- both the adsorption heat exchange (30, 31, 32) and the air heat exchange (22) are provided in the refrigerant circuit (10) as use-side heat exchangers.
- the temperature of the air passing through the air heat exchanger (22) is adjusted by heat exchange with the refrigerant. That is, if the air heat exchange (22) operates as an evaporator, the air is cooled, and if the air heat exchange (22) operates as a condenser, the air is heated.
- the air conditioner of this solution supplies the air cooled or heated by the air heat exchanger (22) to the room, thereby processing the sensible heat load in the room.
- the operation of the adsorption heat exchanger (30, 31, 32) becoming an evaporator and the operation of the adsorption heat exchange ⁇ (30, 31, 32) becoming a condenser alternately. Is repeated.
- the adsorption heat exchanger (30, 31, 32) serving as an evaporator moisture in the passing air is adsorbed by the adsorbent, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the adsorption heat exchange (30, 31, 32) serving as a condenser water is desorbed from the adsorbent heated by the refrigerant, and the water desorbed from the adsorbent is added to the passing air.
- the air conditioner of this solution supplies air dehumidified or humidified by adsorption heat exchange (30, 31, 32) to the room, thereby processing the latent heat load in the room.
- the first adsorption heat exchanger (31) and the second adsorption heat exchanger (32) are provided in the refrigerant circuit (10) as use side heat exchange.
- the refrigerant circuit (10) of this solution comprises an operation in which one of the first and second adsorption heat exchangers (31, 32) becomes an evaporator and the other becomes a condenser, and the other becomes a condenser. The operation of becoming an evaporator is alternately repeated.
- the adsorption heat exchange (31, 32) serving as an evaporator moisture in the passing air is adsorbed by the adsorbent, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the adsorption heat exchangers (31, 32) serving as condensers water is desorbed from the adsorbent heated by the refrigerant, and the water desorbed from the adsorbent is added to the passing air.
- the air that has passed through the adsorption heat exchanger (31, 32), which is an evaporator is supplied to the room, the dehumidified air continuously flows into the room, and forms a condenser, thereby forming an adsorption heat. If the air passing through the intersections (31, 32) is supplied to the room, the humidified air flows continuously into the room.
- the first adsorption heat exchanger (31) and the second adsorption heat exchanger (32) are provided in the refrigerant circuit (10) as use-side heat exchange.
- the refrigerant circuit (10) of this solution includes an operation in which one of the first and second adsorption heat exchangers (31, 32) is an evaporator and the other is inactive, and the other is an evaporator and one is an evaporator. The operation of pausing is alternately repeated.
- the adsorption heat exchanger (31, 32) serving as an evaporator moisture in the passing air is adsorbed by the adsorbent, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the idle adsorption heat exchangers (31, 32) in which the refrigerant is not supplied moisture is desorbed from the adsorbent in contact with the passing air.
- the dehumidified air flows continuously into the room. Further, if the air that has passed through the adsorption heat exchangers (31, 32) that are not in operation is supplied to the room, the humidified air flows continuously into the room.
- the first adsorption heat exchanger (31) and the second adsorption heat exchanger (32) are provided in the refrigerant circuit (10) as use-side heat exchange.
- the refrigerant circuit (10) of this solution includes an operation in which one of the first and second adsorption heat exchangers (31, 32) is a condenser and the other is inactive, and the other is a condenser and the other is a condenser. The operation of pausing is alternately repeated.
- the adsorbent adsorbs moisture in the passing air.
- the adsorption heat exchange ⁇ (31, 32) which is a condenser
- moisture is desorbed from the adsorbent heated by the refrigerant and added to the passing air. Is done. Then, if the air that has passed through the adsorption heat exchange (31, 32) serving as the condenser is supplied to the room, the humidified air continuously flows into the room. In addition, if the air that has passed through the adsorption heat exchangers (31, 32) that are not in operation is supplied to the room, the dehumidified air flows into the room continuously.
- the air conditioner can switch between the dehumidifying cooling operation and the humidifying heating operation.
- the first adsorption heat exchanger (31) and the second adsorption heat exchanger (32) are provided in the refrigerant circuit (10).
- Only the first and second adsorption heat exchanges (31, 32) are provided as the heat utilization side heat exchange in the refrigerant circuit (10).
- the adsorption heat exchange (31, 32) operates as an evaporator, the moisture in the air passing through the adsorption heat exchanger (31, 32) is adsorbed by the adsorbent, and the heat of adsorption generated at that time is reduced. Heat is absorbed by the refrigerant.
- the adsorption heat exchangers (31, 32) operate as condensers, moisture is desorbed from the adsorbent heated by the refrigerant, and the air passing through the adsorption heat exchangers (31, 32) is converted into water. Adsorbent power Desorbed water is applied.
- the adsorption heat exchange (31, 32) which is a condenser, the passing air is humidified and heated.
- the air conditioner of this solution supplies the air dehumidified and cooled or the air humidified and heated by the adsorption heat exchanger (31, 32) to the room, thereby sensible heat in the room. Handle both loads and latent heat loads.
- the refrigerant circuit (10) includes an operation in which one of the first and second adsorption heat exchangers (31, 32) functions as an evaporator and the other functions as a condenser. Alternately becomes a condenser and one becomes an evaporator.
- the adsorption heat exchange (31, 32) which is an evaporator
- the dehumidified and cooled air flows continuously into the room, forming a condenser. If the air that has passed through the adsorption heat exchange (31, 32) is supplied into the room, the humidified and heated air will flow continuously into the room.
- the refrigerant circuit (10) is configured such that one of the first and second adsorption heat exchangers (31, 32) functions as an evaporator and the other stops, and the other operates as an evaporator. And the operation in which one pauses is alternately repeated.
- adsorption heat exchange (31, 32) which is an evaporator
- moisture in the passing air is adsorbed by the adsorbent, and the heat of adsorption generated at that time is absorbed by the refrigerant. Is done.
- the adsorption heat exchange (31, 32) during which the refrigerant is not supplied, moisture is desorbed from the adsorbent in contact with the passing air.
- the refrigerant circuit (10) may include a first and a second adsorption heat exchanger.
- the air conditioner can switch between dehumidifying cooling operation and humidifying heating operation.
- the heat source side heat exchanger (21) and the adsorption heat exchangers (30, 31, 32) can both operate as condensers.
- the refrigerant circulating in the refrigerant circuit (10) flows into the adsorption heat exchangers (30, 31, 32) serving as condensers after passing through the heat source side heat exchanger (21).
- a part of the refrigerant is condensed in the heat source side heat exchanger (21), and the rest is condensed in the adsorption heat exchanger (30, 31, 32).
- the air heat exchanger (22) and the adsorption heat exchangers (30, 31, 32) can operate together as a condenser.
- the refrigerant circulating in the refrigerant circuit (10) flows through the air heat exchanger (22) serving as a condenser, and then flows into the adsorption heat exchangers (30, 31, 32) serving as a condenser.
- Part of the refrigerant is condensed in the air heat exchanger (22), and the remainder is condensed in the adsorption heat exchanger (30, 31, 32).
- the heat source side heat exchanger (21) and the adsorption heat exchangers (30, 31, 32) can both operate as condensers.
- the refrigerant circulating in the refrigerant circuit (10) flows into the heat source side heat exchanger (21) after passing through the adsorption heat exchangers (30, 31, 32) serving as condensers.
- Part of the refrigerant is condensed in the adsorption heat exchanger (30, 31, 32), and the rest is condensed. Condensed in the heat source side heat exchanger (21).
- the air heat exchanger (22) and the adsorption heat exchangers (30, 31, 32) can operate as a condenser.
- the refrigerant circulating in the refrigerant circuit (10) flows into the air heat exchanger (22) serving as a condenser after passing through the adsorption heat exchange (30, 31, 32) serving as a condenser.
- a part of the refrigerant is condensed in the adsorption heat exchanger (30, 31, 32), and the rest is condensed in the air heat exchanger (22).
- the heat source-side heat exchanger (21) and the adsorption heat exchangers (30, 31, 32) can both operate as evaporators.
- the refrigerant circulating in the refrigerant circuit (10) flows into the adsorption heat exchangers (30, 31, 32) serving as evaporators after passing through the heat source side heat exchanger (21).
- a part of the refrigerant evaporates in the heat source side heat exchanger (21), and the remainder evaporates in the adsorption heat exchanger (30, 31, 32).
- the air heat exchanger (22) and the adsorption heat exchangers (30, 31, 32) can operate together as an evaporator.
- the refrigerant circulating in the refrigerant circuit (10) flows through the air heat exchanger (22) serving as an evaporator, and then flows into the adsorption heat exchanger (30, 31, 32) serving as an evaporator.
- Part of the refrigerant evaporates in the air heat exchanger (22), and the remainder evaporates in the adsorption heat exchanger (30, 31, 32).
- the heat source side heat exchanger (21) and the adsorption heat exchangers (30, 31, 32) can both operate as evaporators.
- the refrigerant circulating in the refrigerant circuit (10) flows into the heat source side heat exchanger (21) after passing through the adsorption heat exchangers (30, 31, 32) serving as evaporators.
- part of the refrigerant evaporates in the adsorption heat exchangers (30, 31, 32), and the rest evaporates in the heat source side heat exchanger (21).
- the air heat exchanger (22) and the adsorption heat exchangers (30, 31, 32) can operate together as an evaporator.
- the refrigerant circulating in the refrigerant circuit (10) flows into the air heat exchanger (22) as the evaporator after passing through the adsorption heat exchange (30, 31, 32) as the evaporator.
- Part of the refrigerant evaporates in the adsorption heat exchangers (30, 31, 32), and the rest evaporates in the air heat exchanger (22).
- the first circuit (11) and the second circuit (12) are connected in parallel with each other.
- the heat exchange on the heat source side (21) and the opening The variable expansion valve (41) and the air heat exchange (22) are arranged in order.
- a first adsorption heat exchange (31), an opening degree variable expansion valve (42), and a second adsorption heat exchange (32) are arranged in this order.
- the refrigerant flow rate in the air heat exchanger (22), which mainly processes sensible heat loads, and the refrigerant flow rate in the adsorption heat exchangers (31, 32), which mainly process latent heat loads, are individually adjusted. Is done.
- the refrigerant circuit (10) is provided with a refrigerant evaporation temperature in the heat source side heat exchanger (21) or the air heat exchanger (22) and an adsorption heat exchanger (30, 31, It is configured so that the refrigerant evaporation temperature in 32) can be set to different values. That is, in the refrigerant circuit (10) of this solution, the pressure of the low-pressure refrigerant introduced in the heat source side heat exchange (21) or the air heat exchange (22) and the adsorption heat exchange (30, 31, 32) is set to a different value. Can be set to
- the refrigerant circuit (10) is provided with a refrigerant evaporation temperature in the heat source side heat exchanger (21) or the air heat exchanger (22) and an adsorption heat exchanger (30, 31, It is configured so that the refrigerant condensation temperature in 32) can be set to different values. That is, in the refrigerant circuit (10) of this solution, the pressure of the high-pressure refrigerant introduced in the heat source side heat exchange (21) or the air heat exchange (22) and the adsorption heat exchange (30, 31, 32) is set to a different value. Can be set to
- the air for regeneration passes through the adsorption heat exchange (30, 31, 32).
- the air for adsorption or the air for regeneration is sent to the adsorption heat exchange (30, 31, 32) after passing through the heat exchange element (90). That is, the adsorption air cooled by the heat exchange element (90) or the regeneration air heated by the heat exchange element (90) is sent to the adsorption heat exchange (30, 31, 32). Therefore, in the present solution, dehumidification or humidification of air in the adsorption heat exchanger (30, 31, 32) can be efficiently performed.
- the air for regeneration passes through the adsorption heat exchange (30, 31, 32).
- the adsorption air or the regeneration air passes not only through the adsorption heat exchange (30, 31, 32) but also through the latent heat treatment element (95).
- the adsorption air is transferred to the adsorption heat exchanger (30, 31, 32) and the latent heat treatment.
- the processing element (95) the adsorption air is dehumidified in both the adsorption heat exchange (30, 31, 32) and the latent heat processing element (95).
- an adsorption heat exchanger (30, 31, 32) is provided as a use side heat exchanger in the refrigerant circuit (10), and the adsorption heat exchange (30, 31, 32) is provided.
- the absolute humidity of the air is adjusted by passing through. In other words, instead of condensing the moisture in the air to dehumidify the air as in the conventional case, the moisture in the air is adsorbed by the adsorbent to dehumidify the air. Therefore, there is no need to set the refrigerant evaporation temperature of the refrigeration cycle to be lower than the dew point temperature of air as in the conventional case.
- Dehumidification of air can be performed even if the refrigerant evaporation temperature is set to be higher than the dew point temperature of air. For this reason, according to the present invention, even when dehumidifying air, the refrigerant evaporation temperature of the refrigeration cycle can be set higher than before, and the difference between high and low pressures in the refrigeration cycle can be reduced. As a result, the power required for refrigerant compression can be reduced, and the COP of the refrigeration cycle can be improved.
- the present invention moisture is desorbed from the adsorption heat exchanger (30, 31, 32) to be subjected to the regeneration operation, and the air passing through the adsorption heat exchanger ⁇ (30, 31, 32) is converted into air. Desorbed moisture is provided. Then, if the humidified air is supplied to the room when passing through the adsorption heat exchange (30, 31, 32), the room can be humidified.
- the conventional air conditioner that condenses moisture in the air can only dehumidify the interior of the room and cannot perform humidification.
- the air conditioner of the present invention has adsorption heat exchange ⁇ (30, It is possible to humidify the room by supplying the humidified air to the room at 31, 32).
- an air heat exchanger (22) is provided in the refrigerant circuit (10), and the temperature of the air is adjusted by passing through the air heat exchanger (22). Therefore, in the adsorption heat exchange (30, 31, 32), the absolute humidity of the air is mainly adjusted, and in the air heat exchange (22), the air temperature is mainly adjusted. Therefore, according to this solution, the temperature and absolute humidity of the air supplied to the room can be appropriately adjusted, and the indoor sensible heat load and latent heat load can be reliably processed. [0061] In the third and fourth solutions, the adsorption heat exchanger (
- the adsorption heat exchangers (30, 31, 32) to be regenerated are condensers. For this reason, the adsorbent of the adsorption heat exchanger (30, 31, 32) can be sufficiently heated by the refrigerant, and the amount of water desorbed from the adsorption heat exchanger ⁇ (30, 31, 32) is increased. be able to.
- the first and second adsorption heat exchangers (31, 32) are provided in the refrigerant circuit (10) as the use-side heat exchangers, and one of them is provided.
- the adsorption operation and the reproduction operation for the other are performed in parallel. Therefore, according to this solution, the air that has passed through the adsorption heat exchanger (31, 32) that is the target of the adsorption operation or the adsorption heat exchanger (31, 32) that is the target of the regeneration operation is supplied to the room.
- the dehumidified or humidified air can be continuously supplied into the room.
- the adsorption heat exchanger (31, 32) to be subjected to the adsorption operation becomes an evaporator, and the supply of the refrigerant to the adsorption heat exchanger (31, 32) to be subjected to the regeneration operation is performed. Is stopped.
- supply of the refrigerant to the adsorption heat exchangers (31, 32) to be subjected to the adsorption operation is stopped, and the adsorption heat exchangers (31, 32) to be subjected to the regeneration operation are condensed. It becomes a vessel. Therefore, according to these solutions, it is possible to switch between the adsorption operation and the regeneration operation only by interrupting the introduction of the refrigerant to the adsorption heat exchange, and it is possible to suppress the complexity of the refrigerant circuit (10).
- the eighth solution only the first and second adsorption heat exchangers (31, 32) are provided in the refrigerant circuit (10) as the use-side heat exchangers, and these adsorption heat exchangers (31, 32) are provided.
- the type of heat exchange provided as the use-side heat exchanger in the refrigerant circuit (10) can be minimized, and the refrigerant circuit (10) can be prevented from being complicated.
- the adsorption heat exchanger (31, 32) to be subjected to the adsorption operation is an evaporator. Therefore, when moisture in the air is adsorbed by adsorption heat exchange (31, 32), The heat of adsorption can be removed by the refrigerant, and the amount of water adsorbed by the adsorption heat exchange (31, 32) can be increased.
- the adsorption heat exchanger (31, 32) to be regenerated is a condenser. For this reason, the adsorbent of the adsorption heat exchanger (31, 32) can be sufficiently heated by the refrigerant, and the amount of water desorbed from the adsorption heat exchange (31, 32) can be increased.
- the first and second adsorption heat exchangers (31, 32) are provided in the refrigerant circuit (10) as use side heat exchanges, and one of them is provided. And the regenerating operation for the other are performed in parallel. Therefore, according to this solution, the air that has passed through the adsorption heat exchanger (31, 32) to be subjected to the adsorption operation or the adsorption heat exchanger (31, 32) to be subjected to the regeneration operation is supplied to the room. As a result, it is possible to continuously supply air with humidity and temperature control to the room.
- the adsorption heat exchanger (31, 32) to be subjected to the adsorption operation becomes an evaporator, and the refrigerant is supplied to the adsorption heat exchanger (31, 32) to be subjected to the regeneration operation. Is stopped.
- supply of the refrigerant to the adsorption heat exchanger (31, 32) to be subjected to the adsorption operation is stopped, and the adsorption heat exchanger (31, 32) to be subjected to the regeneration operation is condensed. It becomes a vessel.
- the refrigerant is transferred to the heat source side heat exchanger. After passing through (21), it flows into the adsorption heat exchanger (30, 31, 32). Further, in the fourteenth solution, the refrigerant is cooled by the air heat exchanger (22) while the air heat exchanger (22) and the adsorption heat exchanger (30, 31, 32) are both operating as condensers. After passing through the adsorption heat exchanger (30, 31, 32).
- the entire temperature of the adsorption heat exchange ⁇ (30, 31, 32) can be approximately set to the condensation temperature of the refrigerant, and the adsorbent carried on the surface of the adsorption heat exchanger (30, 31, 32) can be reduced. It can be heated on average.
- the heat source side heat exchanger (21) and the adsorption heat exchangers (30, 31, 32) are provided. During the operation of both being condensers, the refrigerant flows into the heat source side heat exchanger (21) after passing through the adsorption heat exchangers (30, 31, 32). Further, in the sixteenth solution, while the air heat exchanger (22) and the adsorption heat exchanger ⁇ (30,31,32) are both operating as condensers, the refrigerant is adsorbed by the adsorption heat exchanger (30,31). , 32) and flows into the air heat exchanger (22). Therefore, in these solutions, the compressed refrigerant is first introduced into the adsorption heat exchange (30, 31, 32).
- the highest temperature refrigerant immediately after being compressed can be introduced into the adsorption heat exchanger (30, 31, 32). Therefore, according to these solutions, the temperature of the adsorbent carried on the surface of the adsorption heat exchange (30, 31, 32) can be set high, and the adsorbent can be reliably regenerated.
- the refrigerant exchanges heat with the heat source side heat exchanger. After passing through (21), it flows into the adsorption heat exchanger (30, 31, 32).
- the refrigerant is removed from the air heat exchanger (22) while the air heat exchanger (22) and the adsorption heat exchanger ⁇ (30, 31, 32) are both evaporators. After passing through the adsorption heat exchanger (30, 31, 32).
- refrigerant whose pressure has decreased slightly due to pressure loss when passing through the heat source side heat exchanger (21) and air heat exchanger (22) is introduced into the adsorption heat exchanger (30, 31, 32). Is done. Therefore, the refrigerant evaporation temperature in the adsorption heat exchangers (30, 31, 32) can be lower than the refrigerant evaporation temperature in the heat source side heat exchanger (21) and the air heat exchanger (22). Therefore, the amount of heat absorbed by the refrigerant in the adsorption heat exchanger (30, 31, 32) can be increased, and the amount of moisture adsorbed by the adsorption heat exchanger ⁇ (30, 31, 32) can be increased. .
- the refrigerant is adsorbed by the adsorption heat exchanger (30, 31) while the heat source side heat exchanger (21) and the adsorption heat exchanger (30, 31, 32) are both evaporators. After passing through 31, 32), it flows into the heat source side heat exchanger (21). Further, in the twentieth solution, the refrigerant is adsorbed by the heat exchanger (30, 31) while the air heat exchanger (22) and the adsorption heat exchanger (30, 31, 32) are both evaporators. , 32) and flows into the air heat exchanger (22).
- the refrigerant flowing into the adsorption heat exchanger (30, 31, 32) in a gas-liquid two-phase state is adsorbed heat exchange in the gas-liquid two-phase state ⁇ (30, 31, After that, it is sent to the heat source side heat exchange (21) and air heat exchanger (22).
- the temperature of the entire adsorption heat exchanger (30, 31, 32) becomes substantially equal to the refrigerant evaporation temperature, and the adsorbent provided on the surface of the adsorption heat exchanger ⁇ (30, 31, 32) Can be cooled on average.
- the refrigerant flow rates in the first circuit (11) and the second circuit (12) connected in parallel to each other can be individually adjusted. For this reason, the flow rate of the refrigerant in the air heat exchanger (22) is appropriately adjusted to a value corresponding to the sensible heat load in the room, and the flow rate of the refrigerant in the adsorption heat exchangers (31, 32) is It is possible to adjust the value appropriately. Therefore, according to this solution, it is possible to appropriately control the operation state of the air conditioner according to the indoor sensible heat load and the latent heat load.
- the heat exchange element (90) for performing heat exchange between the first air and the second air is provided, and the adsorption air cooled in the heat exchange element (90) or the heated air is heated.
- the regeneration air is supplied to the adsorption heat exchangers (30, 31, 32). Therefore, according to the present solution, since the air can be efficiently dehumidified or humidified by the adsorption heat exchange ⁇ (30, 31, 32), it is possible to prevent the dehumidifying ability or the humidifying ability from decreasing.
- the latent heat treatment element (95) for performing a latent heat treatment of air is provided in a flow passage of the adsorption air or the regeneration air.
- the latent heat treatment for the adsorption air or the regeneration air can be performed by both the latent heat treatment element (95) and the adsorption heat exchange ⁇ (30, 31, 32). It is possible to increase the dehumidifying ability or humidifying ability of the steel.
- FIG. 1 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in Embodiment 1.
- FIG. 2 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in Embodiment 1.
- FIG. 3 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in Embodiment 2.
- FIG. 4 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in Embodiment 2.
- FIG. 5 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in Embodiment 3.
- FIG. 6 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in Embodiment 3.
- FIG. 7 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in Embodiment 4.
- FIG. 8 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in Embodiment 4.
- FIG. 9 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in Embodiment 5.
- FIG. 10 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in Embodiment 5.
- FIG. 11 is a schematic diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in Embodiment 6.
- FIG. 11 is a schematic diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in Embodiment 6.
- FIG. 12 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in Embodiment 6.
- FIG. 13 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in Embodiment 7.
- FIG. 14 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in Embodiment 7.
- FIG. 15 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in Embodiment 8.
- FIG. 16 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in Embodiment 8.
- FIG. 17 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in a modified example of Embodiment 8.
- FIG. 18 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in a modified example of Embodiment 8.
- FIG. 19 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in Embodiment 9.
- FIG. 20 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in Embodiment 9.
- FIG. 21 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in Embodiment 10.
- FIG. 22 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in Embodiment 10.
- FIG. 23 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in Embodiment 11.
- FIG. 24 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in Embodiment 11.
- FIG. 25 is a schematic diagram showing the configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in Embodiment 12. It is a block diagram.
- FIG. 26 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in Embodiment 12.
- FIG. 27 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in Embodiment 13.
- FIG. 28 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in Embodiment 13.
- FIG. 29 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in a modified example of Embodiment 13.
- FIG. 30 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in a modification of Embodiment 13.
- FIG. 31 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in Embodiment 14.
- FIG. 32 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in Embodiment 14.
- FIG. 33 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in Embodiment 15.
- FIG. 34 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in Embodiment 15.
- FIG. 35 is a schematic configuration diagram showing a configuration of a refrigerant circuit and operations during a cooling operation and a heating operation in Modification Example 1 of Embodiment 15.
- FIG. 36 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in Modification 2 of Embodiment 15.
- FIG. 37 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification and heating operation in Modification 2 of Embodiment 15.
- FIG. 38 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in Embodiment 16.
- FIG. 39 is a schematic view showing the configuration of a refrigerant circuit and an operation during a humidification heating operation in Embodiment 16. It is a block diagram.
- FIG. 40 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in a first modification of the other embodiment.
- FIG. 41 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification and heating operation in a first modification of the other embodiment.
- FIG. 42 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in a second modified example of the other embodiment.
- FIG. 43 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation at the time of a humidification heating operation in a second modified example of the other embodiment.
- FIG. 44 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in a third modification of the other embodiment.
- FIG. 45 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in a third modification of the other embodiment.
- FIG. 46 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in a fourth modified example of the other embodiment.
- FIG. 47 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in a fourth modification of the other embodiment.
- FIG. 48 is a schematic configuration diagram showing a configuration of a refrigerant circuit in a fourth modification of the other embodiment.
- FIG. 49 is a schematic configuration diagram showing a configuration of a refrigerant circuit in a fifth modification of the other embodiment.
- FIG. 50 is a schematic configuration diagram showing a configuration of a refrigerant circuit in a sixth modification of the other embodiment.
- FIG. 51 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidifying cooling operation in a seventh modification of the other embodiment.
- FIG. 52 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in a seventh modification of the other embodiment.
- FIG. 53 shows a configuration of a refrigerant circuit and a dehumidifying cooling operation in an eighth modification of the other embodiment. It is a schematic block diagram showing operation
- FIG. 54 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification heating operation in an eighth modification of the other embodiment.
- FIG. 55 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a dehumidification cooling operation in a ninth modification of the other embodiment.
- FIG. 56 is a schematic configuration diagram showing a configuration of a refrigerant circuit and an operation during a humidification and heating operation in a ninth modification of the other embodiment.
- Embodiment 1 of the present invention will be described.
- the air conditioner of the present embodiment processes both indoor sensible heat load and latent heat load.
- This air conditioner has a refrigerant circuit
- the refrigerant circuit (10) circulates refrigerant to perform a vapor compression refrigeration cycle.
- the refrigerant circuit (10) is provided with one compressor (20), one four-way switching valve (50), and one electric expansion valve (40). .
- the refrigerant circuit (10) is provided with one outdoor heat exchange (21), one indoor heat exchange (22), and one adsorption heat exchange (30).
- the outdoor heat exchange (21) constitutes the heat source side heat exchange
- the indoor heat exchanger (22) and the adsorption heat exchanger (30) constitute the use side heat exchanger! / Puru.
- the configuration of the refrigerant circuit (10) will be described.
- the compressor (20) has a discharge side connected to a first port of the four-way switching valve (50), and a suction side connected to a second port of the four-way switching valve (50).
- the outdoor heat exchange (21), the electric expansion valve (40), and the adsorption heat exchanger (40) are sequentially moved from the third port to the fourth port of the four-way switching valve (50).
- 30) and indoor heat exchange (22) are arranged.
- the refrigerant circuit (10) is provided with an electromagnetic valve (60) and a capillary tube (43).
- the solenoid valve (60) is provided between the adsorption heat exchange (30) and the indoor heat exchange (22).
- One end of the capillary tube (43) is connected between the solenoid valve (60) and adsorption heat exchange (30), and the other end is connected between the solenoid valve (60) and indoor heat exchange (22).
- Each of the outdoor heat exchanger (21), the indoor heat exchanger (22), and the adsorption heat exchanger (30) has a cross-fin type fin and a fin comprising a heat transfer tube and a large number of fins. Tube heat exchange.
- the adsorbent is supported on the surface of the fin.
- the adsorbent zeolite, silica gel, or the like is used.
- the outdoor heat exchanger (21) and the indoor heat exchanger (22) do not carry an adsorbent on the surface of each fin, and perform only heat exchange between air and refrigerant.
- the indoor heat exchanger (22) constitutes air heat exchange for performing only heat exchange between the air and the refrigerant.
- the four-way switching valve (50) is in a first state (a state shown in Fig. 1) in which the first port and the third port communicate with each other and the second port and the fourth port communicate with each other.
- the state is switched to the second state (the state shown in FIG. 2) in which the first port and the fourth port communicate with each other and the second port and the third port communicate with each other.
- a dehumidifying cooling operation and a humidifying heating operation are performed.
- the four-way switching valve (50) is set to the first state, the outdoor heat exchanger (21) functions as a condenser, and the indoor heat exchange (22) functions as an evaporator. Further, an adsorption operation in which the adsorption heat exchange (30) becomes an evaporator and a regeneration operation in which the adsorption heat exchange (30) becomes a condenser are alternately repeated.
- outdoor air is supplied to the outdoor heat exchanger (21), and indoor air is supplied to the indoor heat exchanger (22) and the adsorption heat exchanger (30). Then, while the air cooled by the indoor heat exchanger (22) is continuously supplied to the room, the air dehumidified by the adsorption heat exchange (30) is intermittently supplied to the room.
- the solenoid valve (60) is opened, and the opening of the electric expansion valve (40) is appropriately adjusted.
- the refrigerant discharged from the compressor (20) is condensed in the outdoor heat exchanger (21) and then decompressed by the electric expansion valve (40). It evaporates while passing through the heat exchange (22) in order, and is sucked into the compressor (20) and compressed.
- the outdoor air that has absorbed heat from the refrigerant in the outdoor heat exchanger (21) is discharged outside, and the indoor air cooled by the indoor heat exchange (22) is sent back to the room. It is.
- the moisture in the indoor air is adsorbed by the adsorbent to dehumidify the indoor air, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the indoor air dehumidified by the adsorption heat exchange (30) is returned to the room.
- the outdoor air that has absorbed heat from the refrigerant in the outdoor heat exchanger (21) is discharged outside, and the indoor air cooled by the indoor heat exchange (22) is sent back to the room. It is. Further, in the adsorption heat exchanger (30), the adsorbent is heated and regenerated by the refrigerant, and the moisture desorbed from the adsorbent is provided to the indoor air. Adsorption heat exchange (30) Force The desorbed water is discharged to the outside together with room air.
- the four-way switching valve (50) is set to the second state, the indoor heat exchanger (22) functions as a condenser, and the outdoor heat exchange (21) functions as an evaporator. Further, an adsorption operation in which the adsorption heat exchange (30) becomes an evaporator and a regeneration operation in which the adsorption heat exchange (30) becomes a condenser are alternately repeated.
- outdoor air is supplied to the outdoor heat exchanger (21), and indoor air is supplied to the indoor heat exchanger (22) and the adsorption heat exchanger (30).
- the air heated by the indoor heat exchanger (22) is continuously supplied to the room, while the air humidified by the adsorption heat exchange (30) is intermittently supplied to the room.
- the outdoor air that has radiated heat to the refrigerant in the outdoor heat exchanger (21) is exhausted outside, and the indoor air heated in the indoor heat exchanger (22) is sent back indoors.
- the adsorption heat exchanger (30) the moisture in the indoor air is adsorbed by the adsorbent, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the indoor air deprived of moisture by the adsorption heat exchanger (30) is discharged outside the room.
- the solenoid valve (60) is opened, and the opening of the electric expansion valve (40) is appropriately adjusted.
- the refrigerant discharged by the compressor (20) condenses while passing through the indoor heat exchange (22) and the adsorption heat exchange (30) in that order, and is then depressurized by the electric expansion valve (40). It is evaporated by the heat exchange (21) and is sucked into the compressor (20) and compressed.
- the outdoor air radiated to the refrigerant in the outdoor heat exchanger (21) is discharged outside, and the indoor air heated in the indoor heat exchanger (22) is transferred to the room. Will be sent back.
- the adsorption heat exchanger (30) the adsorbent is heated and regenerated by the refrigerant, and the moisture desorbed from the adsorbent is provided to the indoor air.
- the room air humidified by the adsorption heat exchange (30) is returned to the room.
- an adsorption heat exchanger (30) is provided as a heat exchanger on the refrigerant circuit (10) side, and the absolute humidity of air is adjusted by passing through the adsorption heat exchanger (30). .
- the air in the air is dehumidified by adsorbing the water in the air instead of condensing the water in the air to dehumidify the air as in the past. For this reason, it is not necessary to set the refrigerant evaporation temperature of the cooling cycle to be lower than the dew point temperature of the air as in the conventional case. Even if the refrigerant evaporation temperature is set to be equal to or higher than the air dew point temperature, air can be dehumidified.
- the refrigerant evaporation temperature of the refrigeration cycle can be set higher than before, and the difference in high and low pressure of the refrigeration cycle can be reduced.
- the power consumption of the compressor (20) can be reduced, and the COP of the refrigeration cycle can be improved.
- the adsorption heat exchange (30) force which is the target of the regenerating operation, is desorbed, and the desorbed water is added to the air passing through the adsorption heat exchange (30). Then, the humidified air is supplied to the room when passing through the adsorption heat exchange (30), so that the room can be humidified.
- the air conditioner of the present embodiment uses an adsorption heat exchanger (30 By supplying the humidified air to the room, the room can be humidified.
- Embodiment 2 of the present invention will be described.
- the air conditioner of the present embodiment is obtained by changing the configuration of the refrigerant circuit (10) in the air conditioner of the first embodiment.
- the refrigerant circuit (10) is provided with one compressor (20) and one electric expansion valve (40), and the four-way switching valves (51, 52) There are two.
- the refrigerant circuit (10) is provided with one outdoor heat exchange (21), one indoor heat exchange (22), and one adsorption heat exchange (30).
- the outdoor heat exchanger (21) constitutes the heat source side heat exchanger
- the indoor heat exchanger (22) and the adsorption heat exchanger (30) constitute the use side heat exchanger.
- the outdoor heat exchanger (21), the indoor heat exchanger (22), and the adsorption heat exchanger (30) are each configured in the same manner as in the first embodiment.
- the compressor (20) has a discharge side connected to a first port of the first four-way switching valve (51), and a suction side connected to a second port of the first four-way switching valve (51).
- the first four-way switching valve (51) has a third port connected to the first port of the second four-way switching valve (52), and a fourth port connected to the second four-way switching valve (30) via the adsorption heat exchanger (30).
- Each is connected to a second port of the one-way switching valve (52).
- the outdoor heat exchanger (21), the electric expansion valve (40) and the indoor heat exchanger are sequentially moved from the third port to the fourth port of the second four-way switching valve (52). (22) is arranged.
- the first four-way switching valve (51) is in a first state in which the first port and the third port are in communication with each other and the second and fourth ports are in communication with each other (FIG. 3 (A) And the second state in which the first port and the fourth port communicate with each other and the second and third ports communicate with each other (the states shown in FIGS. 3B and 4A). (The state shown in (B)).
- the switching valve (52) is in a first state in which the first port and the third port communicate with each other and the second port and the fourth port communicate with each other (see FIGS. 3A and 4B). ) And a second state in which the first port and the fourth port communicate with each other and the second port and the third port communicate with each other (see FIGS. 3B and 4A). State).
- a dehumidifying cooling operation and a humidifying heating operation are performed.
- the outdoor heat exchanger (21) functions as a condenser
- the indoor heat exchanger (22) functions as an evaporator.
- an adsorption operation in which the adsorption heat exchange (30) becomes an evaporator and a regeneration operation in which the adsorption heat exchanger (30) becomes a condenser are alternately repeated.
- outdoor air is supplied to the outdoor heat exchanger (21), and indoor air is supplied to the indoor heat exchanger (22) and the adsorption heat exchanger (30). Then, while the air cooled by the indoor heat exchanger (22) is continuously supplied to the room, the air dehumidified by the adsorption heat exchange (30) is intermittently supplied to the room.
- the first four-way switching valve (51) and the second four-way switching valve (52) are each set to the first state, and the electric expansion valve (40) Is appropriately adjusted.
- the refrigerant discharged by the compressor (20) is condensed by the outdoor heat exchange (21), and then decompressed by the electric expansion valve (40). It evaporates while passing through 30) in turn, and is sucked into the compressor (20) and compressed.
- the outdoor air that has absorbed heat from the refrigerant in the outdoor heat exchanger (21) is discharged outside, and the indoor air cooled by the indoor heat exchange (22) is sent back to the room. It is.
- the adsorption heat exchanger (30) the moisture in the indoor air is adsorbed by the adsorbent to dehumidify the indoor air, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the indoor air dehumidified by the adsorption heat exchange (30) is returned to the room.
- the first four-way switching valve (51) and the second four-way switching valve (52) are each set to the second state, and the electric expansion valve (40) Is appropriately adjusted.
- the refrigerant discharged from the compressor (20) is adsorbed heat exchange (30) and outdoor heat exchange (30). Condensed while passing through 21) in sequence, then decompressed by the electric expansion valve (40), evaporated in the indoor heat exchanger (22), sucked into the compressor (20) and compressed.
- the outdoor air that has absorbed heat from the refrigerant in the outdoor heat exchanger (21) is discharged to the outside, and the indoor air cooled by the indoor heat exchange (22) is returned to the room.
- the adsorption heat exchanger (30) the adsorbent is heated and regenerated by the refrigerant, and the moisture desorbed from the adsorbent is provided to the indoor air.
- Adsorption heat exchange (30) Force The desorbed water is discharged to the outside together with room air.
- the indoor heat exchanger (22) functions as a condenser
- the outdoor heat exchanger (21) functions as an evaporator. Further, an adsorption operation in which the adsorption heat exchange (30) becomes an evaporator and a regeneration operation in which the adsorption heat exchanger (30) becomes a condenser are alternately repeated.
- the outdoor air is supplied to the outdoor heat exchanger (21), and the indoor air is supplied to the indoor heat exchanger (22) and the adsorption heat exchanger (30).
- the air heated by the indoor heat exchanger (22) is continuously supplied to the room, while the air humidified by the adsorption heat exchange (30) is intermittently supplied to the room.
- the first four-way switching valve (51) is set to the first state
- the second four-way switching valve (52) is set to the second state.
- the opening of the electric expansion valve (40) is appropriately adjusted.
- the refrigerant discharged from the compressor (20) is condensed by the indoor heat exchange (22), then decompressed by the electric expansion valve (40), and thereafter, adsorbed by the outdoor heat exchanger (21). While passing through the exchanger (30) in order, it evaporates and is sucked into the compressor (20) to be compressed.
- the outdoor air radiated to the refrigerant in the outdoor heat exchanger (21) is discharged to the outside, and the indoor air heated in the indoor heat exchanger (22) is returned to the room.
- the adsorption heat exchanger (30) the moisture in the indoor air is adsorbed by the adsorbent, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the indoor air deprived of moisture by the adsorption heat exchanger (30) is discharged outside the room.
- the first four-way switching valve (51) is set to the second state, and the second four-way switching valve (52) is set to the first state.
- the degree of opening of the electric expansion valve (40) is adjusted appropriately Is done.
- the refrigerant discharged by the compressor (20) condenses while passing through the adsorption heat exchange (30) and the indoor heat exchanger (22) in that order, and then is depressurized by the electric expansion valve (40). After that, it evaporates in the outdoor heat exchanger (21) and is sucked into the compressor (20) to be compressed.
- the outdoor air radiated to the refrigerant in the outdoor heat exchanger (21) is discharged outside, and the indoor air heated in the indoor heat exchanger (22) is returned to the room.
- the adsorption heat exchanger (30) the adsorbent is heated and regenerated by the refrigerant, and the moisture desorbed from the adsorbent is provided to the indoor air.
- the room air humidified by the adsorption heat exchange (30) is returned to the room.
- the following effects are obtained in addition to the effects obtained in the first embodiment. That is, in the present embodiment, in the second operation of the dehumidifying cooling operation and the second operation of the humidifying heating operation, the refrigerant discharged from the compressor (20) is first introduced into the adsorption heat exchange (30). For this reason, the highest temperature refrigerant can be introduced into the adsorption heat exchanger and used for heating the adsorbent, and the temperature of the adsorbent can be sufficiently raised to reliably regenerate the adsorbent.
- Embodiment 3 of the present invention will be described.
- the air conditioner of the present embodiment is obtained by changing the configuration of the refrigerant circuit (10) in the air conditioner of the first embodiment.
- the refrigerant circuit (10) is provided with one compressor (20), one electric expansion valve (40), and one four-way switching valve (50). Two valves (61, 62) are provided.
- the refrigerant circuit (10) is provided with one outdoor heat exchange (21), one indoor heat exchange (22), and one adsorption heat exchange (30).
- the outdoor heat exchanger (21) constitutes the heat source side heat exchanger
- the indoor heat exchanger (22) and the adsorption heat exchanger (30) constitute the use side heat exchanger. I have.
- the outdoor heat exchange (21), the indoor heat exchange (22), and the adsorption heat exchanger (30) are each configured in the same manner as in the first embodiment.
- the compressor (20) has a discharge side connected to a first port of the four-way switching valve (50), and a suction side connected to a second port of the four-way switching valve (50).
- the outdoor heat exchange (21), the electric expansion valve (40), and the first solenoid valve (40) are sequentially moved from the third port to the fourth port of the four-way switching valve (50).
- the adsorption heat exchange (30) has one end between the indoor heat exchanger (22) and the four-way switching valve (50), and the other end via the second solenoid valve (62). ) And the first solenoid valve (61).
- the four-way switching valve (50) is in a first state in which the first port and the third port are in communication with each other and the second port and the fourth port are in communication with each other (the state shown in Fig. 5).
- the state is switched to the second state (the state shown in FIG. 6) in which the first port and the fourth port communicate with each other and the second port and the third port communicate with each other.
- a dehumidifying cooling operation and a humidifying heating operation are performed.
- the four-way switching valve (50) is set to the first state, the opening of the electric expansion valve (40) is appropriately adjusted, and the outdoor heat exchanger (21) is connected to the condenser. Become. Also, the first operation in which the adsorption heat exchanger (30) becomes an evaporator and the indoor heat exchanger (22) stops, and the indoor heat exchanger (22) becomes an evaporator and the adsorption heat exchange (30) The second operation of pausing is alternately repeated.
- outdoor air is supplied to the outdoor heat exchanger (21).
- the indoor air is supplied only to the adsorption heat exchanger (30) during the first operation, and both the adsorption heat exchange (30) and the indoor heat exchange (22) are performed during the second operation. Is supplied with indoor air. Then, the air passing through the adsorption heat exchange (30) and the air passing through the indoor heat exchange (22) are alternately supplied to the room.
- an adsorption operation for adsorption heat exchange (30) is performed.
- the first solenoid valve (61) is closed and the second solenoid valve (62) is opened.
- the refrigerant discharged from the compressor (20) is condensed by the outdoor heat exchange (21), decompressed by the electric expansion valve (40), and then evaporated by the adsorption heat exchange (30). Then, it is sucked into the cara compressor (20) and compressed. At that time, the flow of the refrigerant into the indoor heat exchanger (22) is shut off by the first solenoid valve (61).
- the room air dehumidified in (30) is returned to the room.
- the regeneration operation of the adsorption heat exchanger (30) is performed.
- the first solenoid valve (61) is opened and the second solenoid valve (62) is closed.
- the refrigerant discharged from the compressor (20) is condensed by the outdoor heat exchange (21), decompressed by the electric expansion valve (40), and then evaporated by the indoor heat exchange (22). And then use a cara compressor (
- the outdoor air that has absorbed heat from the refrigerant in the outdoor heat exchanger (21) is discharged outside, and the indoor air cooled by the indoor heat exchange (22) is sent back to the room. It is.
- the adsorption heat exchange (30) room air having a relatively low absolute humidity comes into contact with the adsorbent, and moisture is desorbed from the adsorbent.
- Adsorption heat exchange (30) Force The desorbed water is discharged to the outside together with room air.
- the four-way switching valve (50) is set to the second state, and the outdoor heat exchanger (
- outdoor air is supplied to the outdoor heat exchanger (21).
- the indoor air is supplied only to the adsorption heat exchanger (30) during the first operation, and both the adsorption heat exchange (30) and the indoor heat exchange (22) are supplied during the second operation. Is supplied with indoor air. Then, the air passing through the adsorption heat exchange (30) and the air passing through the indoor heat exchange (22) are alternately supplied to the room.
- a regeneration operation for the adsorption heat exchange (30) is performed.
- the first solenoid valve (61) is closed, and the second solenoid valve (62) is opened.
- the refrigerant discharged from the compressor (20) is condensed by the adsorption heat exchange (30), decompressed by the electric expansion valve (40), and then evaporated by the outdoor heat exchange (21).
- Capella compressor Inhaled to 20
- the flow of the refrigerant into the indoor heat exchanger (22) is shut off by the first solenoid valve (61).
- the outdoor air that has absorbed the refrigerant power in the outdoor heat exchanger (21) is discharged to the outside.
- the adsorption heat exchanger (30) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to room air.
- the room air humidified by the adsorption heat exchanger (30) is returned to the room.
- an adsorption operation for adsorption heat exchange (30) is performed.
- the first solenoid valve (61) is opened and the second solenoid valve (62) is closed.
- the refrigerant discharged from the compressor (20) is condensed by the indoor heat exchange (22), decompressed by the electric expansion valve (40), and then evaporated by the outdoor heat exchange (21). It is sucked into the cara compressor (20) and compressed.
- the flow of the refrigerant into the adsorption heat exchanger (30) is blocked by the second solenoid valve (62).
- the outdoor air that has absorbed heat from the refrigerant in the outdoor heat exchanger (21) is discharged outside, and the indoor air heated in the indoor heat exchanger (22) is discharged indoors. Will be sent back.
- the adsorption heat exchange (30) room air comes into contact with the adsorbent, and the moisture in the room air is adsorbed by the adsorbent.
- the indoor air deprived of moisture by the first adsorption heat exchanger (31) is discharged outside the room.
- Embodiment 4 of the present invention will be described.
- the air conditioner of the present embodiment is obtained by changing the configuration of the refrigerant circuit (10) in the air conditioner of the first embodiment.
- the refrigerant circuit (10) is provided with one compressor (20) and one electric expansion valve (40), and the four-way switching valves (51, 52) There are two.
- the refrigerant circuit (10) is provided with one outdoor heat exchange (21) and two adsorption heat exchanges (31, 32).
- the outdoor heat exchanger (21) constitutes a heat source side heat exchanger
- the first and second adsorption heat exchangers (31, 32) constitute use side heat exchangers.
- the refrigerant circuit (10) of the present embodiment is provided as the heat-use-side heat exchange ⁇ It is only transliteration (31,32).
- the outdoor heat exchange (21) and each of the adsorption heat exchanges (31, 32) are configured in the same manner as in the first embodiment.
- the compressor (20) has a discharge side connected to a first port of the first four-way switching valve (51), and a suction side connected to a second port of the first four-way switching valve (51).
- the first four-way switching valve (51) has a third port connected to the first port of the second four-way switching valve (52) via the outdoor heat exchanger (21), and a fourth port connected to the second port. Each is connected to the second port of the four-way switching valve (52).
- the first adsorption heat exchange m ⁇ (31) and the electric expansion valve (40) are sequentially turned from the third port to the fourth port of the second four-way switching valve (52).
- the second adsorption heat exchange (32) is arranged.
- the first four-way switching valve (51) is in a first state in which the first port and the third port communicate with each other and the second port and the fourth port communicate with each other (the state shown in FIG. 7). ) And a second state (a state shown in FIG. 8) in which the first port and the fourth port communicate with each other and the second port and the third port communicate with each other.
- the second four-way switching valve (52) is in a first state in which the first port and the third port communicate with each other and the second port and the fourth port communicate with each other (FIG. FIG. 8B) and a second state in which the first and fourth ports communicate with each other and the second and third ports communicate with each other (FIGS. 7B and 8 (B)). (The state shown in A)).
- a dehumidifying cooling operation and a humidifying heating operation are performed.
- the first four-way switching valve (51) is set to the first state, the opening of the electric expansion valve (40) is appropriately adjusted, and the outdoor heat exchanger (21) is condensed.
- Container The first operation in which the first adsorption heat exchanger (31) functions as a condenser and the second adsorption heat exchanger (32) functions as an evaporator, and the second adsorption heat exchange (32) functions as a condenser.
- the second operation in which the first adsorption heat exchange (31) becomes the evaporator is alternately repeated.
- outdoor air is supplied to the outdoor heat exchanger (21), and indoor air is supplied to the first and second adsorption heat exchangers (31, 32).
- first adsorption heat exchanger The air having passed through 31) and the air having passed through second adsorption heat exchange (32) are alternately supplied to the room.
- the regeneration operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the suction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the first state. In this state, the refrigerant discharged from the compressor (20) is condensed while passing through the outdoor heat exchange (21) and the first adsorption heat exchange (31) in order, and thereafter, the electric expansion valve ( The pressure is reduced in 40), evaporated in the second adsorption heat exchange (32), sucked into the compressor (20) and compressed.
- the outdoor air that has absorbed the refrigerant power in the outdoor heat exchanger (21) is discharged to the outside.
- the first adsorption heat exchanger (31) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to air.
- First adsorption heat exchange (31) Force The desorbed moisture is discharged outside with indoor air.
- the second adsorption heat exchange (32) the moisture in the indoor air is adsorbed by the adsorbent to dehumidify the indoor air, and the heat of adsorption generated at that time is absorbed by the coolant.
- the room air dehumidified by the second adsorption heat exchange (32) is returned to the room.
- This first operation is continued for a predetermined period of time even after the adsorbent of the first adsorption heat exchanger (31) has become saturated. In this case, since the heat of adsorption is not generated in the first adsorption heat exchanger (31), the room air is cooled by the first adsorption heat exchange (31), and the cooled room air is returned to the room.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the reproduction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the second state. In this state, the refrigerant discharged from the compressor (20) is condensed while passing through the outdoor heat exchange (21) and the second adsorption heat exchange (32) in order, and thereafter, the electric expansion valve ( The pressure is reduced in 40), evaporated in the first adsorption heat exchange (31), sucked into the compressor (20) and compressed.
- the second operation is continued for a predetermined time even after the adsorbent of the second adsorption heat exchanger (32) is saturated. In this case, since the heat of adsorption is not generated in the second adsorption heat exchanger (32), the room air is cooled by the second adsorption heat exchange (32), and the cooled room air is returned to the room.
- the first four-way switching valve (51) is set to the second state, the opening of the electric expansion valve (40) is appropriately adjusted, and the outdoor heat exchanger (21) evaporates.
- Container The first operation in which the first adsorption heat exchanger (31) functions as a condenser and the second adsorption heat exchanger (32) functions as an evaporator, and the second adsorption heat exchange (32) functions as a condenser.
- the second operation in which the first adsorption heat exchange (31) becomes the evaporator is alternately repeated.
- outdoor air is supplied to the outdoor heat exchanger (21), and indoor air is supplied to the first and second adsorption heat exchangers (31, 32). Then, while the air cooled by the indoor heat exchanger (22) is continuously supplied to the room, the air dehumidified by the first adsorption heat exchange (31) is dehumidified by the second adsorption heat exchange (32). The supplied air is alternately supplied to the room.
- the regeneration operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger (31) are performed.
- the suction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the second state. In this state, the refrigerant discharged from the compressor (20) is condensed by the first adsorption heat exchange (31) and decompressed by the power electric expansion valve (40). It evaporates while passing through 32) and outdoor heat exchange (21) in order, and is sucked into the compressor (20) and compressed.
- the outdoor air that has radiated heat to the refrigerant in the outdoor heat exchanger (21) is discharged outside.
- the first adsorption heat exchanger (31) moisture is removed from the adsorbent heated by the refrigerant. And the desorbed moisture is imparted to the air.
- the room air humidified by the first adsorption heat exchanger (31) is returned to the room.
- the second adsorption heat exchanger (32) the moisture in the indoor air is adsorbed by the adsorbent to dehumidify the indoor air, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the indoor air deprived of moisture by the second adsorption heat exchanger (32) is discharged outside the room.
- the first operation is continued for a predetermined time even after the regeneration of the first adsorption heat exchanger (31) is completed.
- the first adsorption heat exchange (31) does not desorb water, the room air is heated by the first adsorption heat exchange (31), and the heated indoor air is returned to the room. It is.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the reproduction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the first state.
- the refrigerant discharged from the compressor (20) is condensed by the second adsorption heat exchange (32) and reduced in pressure by the electric expansion valve (40). It evaporates while passing through (31) and the outdoor heat exchanger (21) in order, and is sucked into the compressor (20) and compressed.
- the outdoor air that has radiated heat to the refrigerant in the outdoor heat exchanger (21) is discharged outside the room.
- the first adsorption heat exchange (31) the moisture in the indoor air is adsorbed by the adsorbent to dehumidify the indoor air, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the indoor air deprived of moisture by the first adsorption heat exchanger (31) is discharged outside the room.
- the second adsorption heat exchanger (32) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to the air.
- the room air humidified by the second adsorption heat exchanger (32) is returned to the room.
- the second operation is continued for a predetermined time even after the regeneration of the second adsorption heat exchanger (32) is completed.
- the second adsorption heat exchange (32) does not desorb water, the room air is heated by the second adsorption heat exchange (32), and the heated room air is sent back to the room. It is.
- the following effects are obtained in addition to the effects obtained in the first embodiment. That is, in the present embodiment, the adsorption operation for one of the two adsorption heat exchangers (31, 32) and the regeneration operation for the other are performed simultaneously in parallel. Therefore, According to the embodiment, the air that has passed through the adsorption heat exchanger (31, 32) that is the target of the adsorption operation or the adsorption heat exchanger (31, 32) that is the target of the regeneration operation is supplied indoors. It is possible to continuously supply air with controlled humidity and temperature to the room.
- Embodiment 5 of the present invention will be described.
- the air conditioner of the present embodiment is obtained by changing the configuration of the refrigerant circuit (10) in the air conditioner of the first embodiment.
- the refrigerant circuit (10) includes one compressor (20), two electric expansion valves (41, 42), and one four-way switching valve (50). Is provided.
- the refrigerant circuit (10) is provided with one outdoor heat exchange (21) and two adsorption heat exchanges (31, 32).
- the outdoor heat exchange (21) constitutes the heat source side heat exchange
- the first and second adsorption heat exchangers (31, 32) constitute the use side heat exchanger. That is, only the two adsorption heat exchanges (31, 32) are provided as the refrigerant use side heat exchange ( ⁇ ) of the present embodiment.
- the outdoor heat exchange (21) and each of the adsorption heat exchanges (31, 32) are configured in the same manner as in the first embodiment.
- the compressor (20) has a discharge side connected to a first port of the four-way switching valve (50), and a suction side connected to a second port of the four-way switching valve (50).
- the first adsorption heat exchange (31), the first electric expansion valve (41), and the outdoor The heat exchange (21), the second electric expansion valve (42), and the second adsorption heat exchange (32) are arranged.
- the four-way switching valve (50) is in a first state in which the first port and the third port are in communication with each other and the second port and the fourth port are in communication with each other (FIGS. 9 (A) and 9 (A)).
- the state shown in FIG. 10 (A)) and the second state where the first and fourth ports communicate with each other and the second and third ports communicate with each other (State shown in B)).
- a dehumidifying cooling operation and a humidifying heating operation are performed.
- the four-way switching valve (50) is set to the first state, and the outdoor heat exchanger ( 21) becomes the condenser.
- the first operation in which the first adsorption heat exchanger (31) becomes a condenser and the second adsorption heat exchanger (32) becomes an evaporator, and the second adsorption heat exchanger (32) becomes a condenser.
- the second operation in which the first adsorption heat exchange (31) becomes an evaporator is alternately repeated.
- the suction operation of (32) is performed in parallel.
- the four-way switching valve (50) is set to the first state, the first electric expansion valve (41) is set to the fully open state, and the second electric expansion valve is set.
- the opening of the valve (42) is appropriately adjusted.
- the refrigerant discharged from the compressor (20) condenses while sequentially passing through the first adsorption heat exchange (31) and the outdoor heat exchange (21), and thereafter, the second electric expansion valve (42) ),
- the force is also evaporated by the second adsorption heat exchange (32), and is sucked into the compressor (20) and compressed.
- the outdoor air that has absorbed the refrigerant power in the outdoor heat exchanger (21) is discharged to the outside.
- the first adsorption heat exchange (31) the moisture of the adsorbent heated by the refrigerant is desorbed, and the desorbed water is provided to the air.
- First adsorption heat exchange (31) Force The desorbed water is discharged outside with the air.
- the second adsorption heat exchange (32) the moisture in the indoor air is adsorbed by the adsorbent to dehumidify the indoor air, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the room air dehumidified by the second adsorption heat exchanger (32) is returned to the room.
- the first operation is continued for a predetermined time even after the adsorbent of the first adsorption heat exchanger (31) is saturated.
- the room air is cooled by the first adsorption heat exchange (31), and the cooled room air is returned to the room.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the reproduction operation of (32) is performed in parallel.
- the four-way switching valve (50) is set to the second state, the opening of the first electric expansion valve (41) is appropriately adjusted, and the second electric The expansion valve (42) is set to the fully open state.
- the compressor (20) The refrigerant discharged from the condenser condenses while passing through the second adsorption heat exchange (32) and the outdoor heat exchange (21) in order, and is then depressurized by the first electric expansion valve (41), and the force is also reduced by the first adsorption heat exchange. At the exchange (31), it evaporates and is sucked into the compressor (20) to be compressed.
- the outdoor air that has absorbed the refrigerant power in the outdoor heat exchanger (21) is discharged to the outside.
- the first adsorption heat exchanger (31) the moisture in the indoor air is adsorbed by the adsorbent to dehumidify the indoor air, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the indoor air dehumidified by the first adsorption heat exchanger (31) is returned to the room.
- the second adsorption heat exchanger (32) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to the air.
- the water desorbed from the second adsorption heat exchange (32) is discharged outside with the air.
- the second operation is continued for a predetermined time even after the adsorbent of the second adsorption heat exchanger (32) is saturated.
- the room air is cooled by the second adsorption heat exchange (32), and the cooled room air is returned to the room.
- the four-way switching valve (50) is set to the first state, and the outdoor heat exchanger (21) functions as an evaporator.
- the first operation in which the first adsorption heat exchanger (31) becomes a condenser and the second adsorption heat exchanger (32) becomes an evaporator, and the second adsorption heat exchanger (32) becomes a condenser.
- the second operation in which the first adsorption heat exchange (31) becomes an evaporator is alternately repeated.
- the outdoor air is supplied to the outdoor heat exchanger (21), and the indoor air is supplied to the first and second adsorption heat exchangers (31, 32). Then, the air that has passed through the first adsorption heat exchanger (31) and the air that has passed through the second adsorption heat exchange (32) are alternately supplied to the room.
- the suction operation of (32) is performed in parallel.
- the four-way switching valve (50) is set to the first state, the opening of the first electric expansion valve (41) is appropriately adjusted, and the second electric The expansion valve (42) is set to the fully open state.
- the compressor (20) After being condensed by the first adsorption heat exchange (31), the refrigerant discharged therefrom is decompressed by the first electric expansion valve (41), and then the outdoor heat exchanger (21) and the second adsorption heat exchanger (32) Evaporates while passing through the compressor, and is sucked into the compressor (20) to be compressed.
- the outdoor air radiated to the refrigerant in the outdoor heat exchanger (21) is discharged to the outside.
- the first adsorption heat exchanger (31) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to air.
- the room air humidified by the first adsorption heat exchanger (31) is returned to the room.
- the second adsorption heat exchanger (32) the moisture in the indoor air is adsorbed by the adsorbent to dehumidify the indoor air, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the indoor air deprived of moisture by the second adsorption heat exchanger (32) is discharged outside the room.
- This first operation is continued for a predetermined time even after the regeneration of the first adsorption heat exchanger (31) is completed.
- the first adsorption heat exchange (31) does not desorb water, the room air is heated by the first adsorption heat exchange (31), and the heated indoor air is returned to the room. It is.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger (31) are performed.
- the reproduction operation of (32) is performed in parallel.
- the four-way switching valve (50) is set to the second state, the first electric expansion valve (41) is set to the fully opened state, and the second electric expansion valve is set.
- the opening of the valve (42) is appropriately adjusted.
- the refrigerant discharged from the compressor (20) is condensed by the second adsorption heat exchange (32) and decompressed by the second electric expansion valve (42), and then the outdoor heat exchanger (21) ) And the first adsorption heat exchanger (31), in order to evaporate, to be sucked into the compressor (20) and compressed.
- the outdoor air that has radiated heat to the refrigerant in the outdoor heat exchanger (21) is discharged outside the room.
- the first adsorption heat exchange (31) the moisture in the indoor air is adsorbed by the adsorbent to dehumidify the indoor air, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the indoor air deprived of moisture by the first adsorption heat exchanger (31) is discharged outside the room.
- the second adsorption heat exchanger (32) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to the air.
- the room air humidified by the second adsorption heat exchanger (32) is returned to the room.
- the second operation is continued for a predetermined time even after the regeneration of the second adsorption heat exchanger (32) is completed. In that case, the second adsorption heat exchange (32) Therefore, the room air is heated by the second adsorption heat exchange (32), and the heated room air is returned to the room.
- Embodiment 6 of the present invention will be described.
- the air conditioner of the present embodiment is obtained by changing the configuration of the refrigerant circuit (10) in the air conditioner of the first embodiment.
- the refrigerant circuit (10) is provided with one compressor (20), one electric expansion valve (40), and one four-way switching valve (50). Two valves (61, 62) are provided.
- the refrigerant circuit (10) is provided with one outdoor heat exchanger (21) and two adsorption heat exchangers (31, 32).
- the outdoor heat exchange (21) constitutes a heat source side heat exchanger
- the first and second adsorption heat exchangers (31, 32) constitute use side heat exchangers.
- only the two adsorption heat exchangers (31, 32) are provided as the refrigerant use side heat exchange of the present embodiment.
- the outdoor heat exchanger (21) and each of the adsorption heat exchanges (31, 32) are configured in the same manner as in the first embodiment.
- the compressor (20) has a discharge side connected to a first port of the four-way switching valve (50), and a suction side connected to a second port of the four-way switching valve (50).
- the third port of the four-way switching valve (50) is connected to one end of the outdoor heat exchanger (21).
- the other end of the outdoor heat exchanger (21) is connected to one end of the first electromagnetic valve (61) and one end of the second electromagnetic valve (62) via the electric expansion valve (40).
- the other end of the first solenoid valve (61) is connected to one end of the first adsorption heat exchanger (31), and the other end of the second solenoid valve (62) is connected to one end of the second adsorption heat exchanger (32). Te! The other end of the first adsorption heat exchanger (31) and the other end of the second adsorption heat exchanger (32) are both connected to the fourth port of the four-way switching valve (50).
- the four-way switching valve (50) is in a first state in which the first port and the third port are in communication with each other and the second port and the fourth port are in communication with each other (the state shown in Fig. 11). Then, the state is switched to the second state (the state shown in FIG. 12) in which the first port and the fourth port communicate with each other and the second port and the third port communicate with each other. [0195] Driving operation
- a dehumidifying cooling operation and a humidifying heating operation are performed.
- the four-way switching valve (50) is set to the first state, the opening of the electric expansion valve (40) is appropriately adjusted, and the outdoor heat exchanger (21) is connected to the condenser. Become.
- the first operation in which the first adsorption heat exchanger (31) becomes an evaporator and the second adsorption heat exchanger (32) is stopped, and the second operation in which the second adsorption heat exchanger (32) becomes an evaporator.
- the second operation in which 1 adsorption heat exchange (31) is stopped is alternately repeated.
- the air having passed through 31) and the air having passed through second adsorption heat exchange (32) are alternately supplied to the room.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the reproduction operation of (32) is performed in parallel.
- the first solenoid valve (61) is opened and the second solenoid valve (62) is closed.
- the refrigerant discharged from the compressor (20) also condenses in the outdoor heat exchange (21) and is depressurized by the electric expansion valve (40), and then evaporates in the first adsorption heat exchange (31).
- the water is sucked into the compressor (20) and compressed.
- the flow of the refrigerant into the second adsorption heat exchanger (32) is blocked by the second solenoid valve (62).
- the outdoor air having absorbed the refrigerant power in the outdoor heat exchanger (21) is discharged to the outside.
- the moisture in the indoor air is adsorbed by the adsorbent to dehumidify the indoor air, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the indoor air dehumidified by the first adsorption heat exchanger (31) is returned to the room.
- room air having a relatively low absolute humidity comes into contact with the adsorbent, and moisture is desorbed from the adsorbent.
- the water desorbed from the second adsorption heat exchange (32) is discharged outside the room together with the air.
- the first operation is performed even after the adsorbent of the first adsorption heat exchanger (31) is saturated. It is continued for a predetermined time. In this case, since the heat of adsorption is not generated in the first adsorption heat exchanger (31), the room air is cooled by the first adsorption heat exchange (31), and the cooled room air is returned to the room.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger (31) are performed.
- the reproduction operation of (32) is performed in parallel.
- the first solenoid valve (61) is closed and the second solenoid valve (62) is opened.
- the refrigerant discharged from the compressor (20) also condenses in the outdoor heat exchange (21), is decompressed by the electric expansion valve (40), and then evaporates in the second adsorption heat exchange (32).
- the water is sucked into the compressor (20) and compressed.
- the flow of the refrigerant into the first adsorption heat exchanger (31) is blocked by the first solenoid valve (61).
- the second operation is continued for a predetermined time even after the adsorbent of the second adsorption heat exchanger (32) is saturated. In this case, since the heat of adsorption is not generated in the second adsorption heat exchanger (32), the room air is cooled by the second adsorption heat exchange (32), and the cooled room air is returned to the room.
- the four-way switching valve (50) is set to the second state, the opening of the electric expansion valve (40) is appropriately adjusted, and the outdoor heat exchanger (21) becomes an evaporator.
- the second operation in which the adsorption heat exchange (31) is stopped is alternately repeated.
- the regeneration operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the suction operation of (32) is performed in parallel.
- the first solenoid valve (61) is opened and the second solenoid valve (62) is closed.
- the refrigerant discharged by the compressor (20) is condensed by the first adsorption heat exchange (31) and decompressed by the power expansion valve (40), and then evaporated by the outdoor heat exchange (21).
- the water is sucked into the compressor (20) and compressed.
- the flow of the refrigerant into the second adsorption heat exchanger (32) is blocked by the second solenoid valve (62).
- the outdoor air that has absorbed the refrigerant power in the outdoor heat exchanger (21) is discharged to the outside.
- the first adsorption heat exchanger (31) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to air.
- the room air humidified by the first adsorption heat exchanger (31) is returned to the room.
- the second adsorption heat exchanger (32) the room air comes into contact with the adsorbent, and the water in the room air is adsorbed by the adsorbent.
- the indoor air deprived of moisture by the second adsorption heat exchanger (32) is discharged outside the room.
- the first operation is continued for a predetermined time even after the regeneration of the first adsorption heat exchanger (31) is completed.
- the first adsorption heat exchange (31) does not desorb water, the room air is heated by the first adsorption heat exchange (31), and the heated indoor air is returned to the room. It is.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger (31) are performed.
- the reproduction operation of (32) is performed in parallel.
- the first solenoid valve (61) is closed, and the second solenoid valve (62) is opened.
- the refrigerant discharged by the compressor (20) is condensed by the second adsorption heat exchange (32) and decompressed by the power expansion valve (40), and then evaporated by the outdoor heat exchange (21).
- the water is sucked into the compressor (20) and compressed.
- the flow of the refrigerant into the first adsorption heat exchanger (31) is blocked by the first solenoid valve (61).
- the outdoor air that has absorbed the refrigerant power in the outdoor heat exchanger (21) is discharged to the outside.
- first adsorption heat exchange In the first adsorption heat exchange (31), room air comes into contact with the adsorbent, and moisture in the room air is adsorbed by the adsorbent. The indoor air deprived of moisture by the first adsorption heat exchanger (31) is discharged outside the room. In the second adsorption heat exchanger (32), water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to the air. The room air humidified by the second adsorption heat exchanger (32) is returned to the room.
- the second operation is continued for a predetermined time even after the regeneration of the second adsorption heat exchanger (32) is completed.
- the second adsorption heat exchange (32) does not desorb water, the room air is heated by the second adsorption heat exchange (32), and the heated room air is sent back to the room. It is.
- the following effects are obtained in addition to the effects obtained in the first embodiment. That is, in the present embodiment, switching between the first operation and the second operation during the dehumidifying cooling operation or the humidifying heating operation is performed by opening and closing the two solenoid valves (61, 62). Such switching between the first operation and the second operation is frequently performed at relatively short time intervals (for example, at intervals of 5 to 10 minutes). Therefore, according to the present embodiment, the relatively durable solenoid valves (61, 62) can be used for switching between the first operation and the second operation, and the reliability of the air conditioner can be ensured. it can.
- Embodiment 7 of the present invention will be described.
- the air conditioner of the present embodiment is obtained by changing the configuration of the refrigerant circuit (10) in the air conditioner of the first embodiment.
- the refrigerant circuit (10) is provided with one compressor (20), one electric expansion valve (40), and one four-way switching valve (50). Two valves (61, 62) are provided.
- the refrigerant circuit (10) is provided with one indoor heat exchange (22) and two adsorption heat exchanges (31, 32).
- the indoor heat exchanger (22) and the first and second adsorption heat exchangers (31, 32) each constitute a use-side heat exchanger.
- the first adsorption heat exchanger (31) also functions as a heat source side heat exchanger. Note that the indoor heat exchanger (22) and each suction The heat exchange (31, 32) has the same configuration as that of the first embodiment.
- the compressor (20) has a discharge side connected to a first port of the four-way switching valve (50), and a suction side connected to a second port of the four-way switching valve (50).
- the first adsorption heat exchange (31), the electric expansion valve (40), and the first electromagnetic valve are sequentially moved from the third port to the fourth port of the four-way switching valve (50).
- the valve (61) and the indoor heat exchange (22) are arranged.
- the second adsorption heat exchange (32) has one end between the indoor heat exchanger (22) and the four-way switching valve (50), and the other end via the second solenoid valve (62). (40) and the first solenoid valve (61) are respectively connected!
- the four-way switching valve (50) is in a first state in which the first port and the third port are in communication with each other and the second and fourth ports are in communication with each other (Fig. 13 (A) ( B) and FIG. 14C), and a second state in which the first and fourth ports communicate with each other and the second and third ports communicate with each other (FIGS. 13C and 13C). (The state shown in Figs. 14 (A) and (B)).
- a dehumidifying cooling operation and a humidifying heating operation are performed.
- the first operation, the second operation, and the third operation are repeatedly performed in order.
- the first adsorption heat exchanger (31) becomes a condenser
- the second adsorption heat exchanger (32) becomes an evaporator
- the indoor heat exchanger (22) stops.
- the first adsorption heat exchanger (31) becomes a condenser
- the indoor heat exchange (22) becomes an evaporator
- the second adsorption heat exchange (32) stops.
- the second adsorption heat exchange (32) becomes a condenser
- the first adsorption heat exchange (31) becomes an evaporator
- the indoor heat exchanger (22) stops.
- the indoor air is supplied only to the second adsorption heat exchanger (32) during the first operation and the third operation, and only the indoor heat exchanger (22) is supplied during the second operation. Indoor air is supplied.
- the regeneration operation of the first adsorption heat exchanger (31) and the adsorption operation of the second adsorption heat exchanger (32) are performed in parallel.
- the four-way switching valve (50) is set to the first state, the first solenoid valve (61) is closed, and the second solenoid valve (62) is opened.
- the refrigerant discharged from the compressor (20) is condensed by the first adsorption heat exchange (31) and decompressed by the electric expansion valve (40), and thereafter, the second adsorption heat exchange (32) ), And is sucked into the compressor (20) to be compressed.
- the inflow of the refrigerant into the indoor heat exchanger (22) is blocked by the first solenoid valve (61).
- the first adsorption heat exchanger (31) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to air. Moisture that has also desorbed the first adsorption heat exchange (31) force is discharged outside the room together with air. Further, in the second adsorption heat exchange (32), the moisture in the room air is adsorbed by the adsorbent to dehumidify the room air, and the heat of adsorption generated at that time is absorbed by the refrigerant. The room air dehumidified by the second adsorption heat exchanger (32) is sent back into the room.
- the first adsorption heat exchanger (31) functions as a heat source side heat exchanger.
- the four-way switching valve (50) is set to the first state, the first solenoid valve (61) is opened, and the second solenoid valve (62) is opened. Will be closed.
- the refrigerant discharged from the compressor (20) is condensed by the first adsorption heat exchange (31) and decompressed by the force-operated expansion valve (40), and then the indoor heat exchanger (22) ), And is sucked into the compressor (20) to be compressed.
- the flow of the refrigerant into the second adsorption heat exchanger (32) is blocked by the second solenoid valve (62).
- the outdoor air that has absorbed the refrigerant power in the first adsorption heat exchanger (31) is discharged to the outside, and the indoor air cooled by the indoor heat exchange (22) is returned to the room.
- the regeneration operation of the second adsorption heat exchanger (32) and the adsorption operation of the first adsorption heat exchanger (31) are performed in parallel.
- the four-way switching valve (50) is set to the second state, the first solenoid valve (61) is closed, and the second solenoid valve (62) is open Is done.
- the refrigerant discharged by the compressor (20) is condensed by the second adsorption heat exchange (32) and decompressed by the electric power expansion valve (40), and then the first adsorption heat exchange (31) ),
- the force is also sucked into the compressor (20) and compressed.
- the flow of the refrigerant into the indoor heat exchanger (22) is blocked by the first solenoid valve (61).
- the moisture in the room air is adsorbed by the adsorbent to dehumidify the room air, and the heat of adsorption generated at that time is transferred to the refrigerant. Absorbed heat .
- the air dehumidified by the first adsorption heat exchanger (31) is supplied indoors.
- the second adsorption heat exchanger (32) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to air.
- the water desorbed from the second adsorption heat exchanger (32) is discharged outside the room together with the air.
- the first operation, the second operation, and the third operation are repeatedly performed in order.
- the second adsorption heat exchanger (32) becomes a condenser, the first adsorption heat exchanger (31) becomes an evaporator, and the indoor heat exchanger (22) stops.
- the indoor heat exchanger (22) becomes a condenser, the first adsorption heat exchange (31) becomes an evaporator, and the second adsorption heat exchange (32) stops.
- the first adsorption heat exchange (31) becomes a condenser
- the second adsorption heat exchange (32) becomes an evaporator
- the indoor heat exchanger (22) stops.
- the indoor air is supplied only to the second adsorption heat exchanger (32) during the first operation and the third operation, and only the indoor heat exchanger (22) is supplied during the second operation. Indoor air is supplied.
- the adsorption operation for the first adsorption heat exchange (31) and the regeneration operation for the second adsorption heat exchange (32) are performed in parallel.
- the four-way switching valve (50) is set to the second state, the first solenoid valve (61) is closed, and the second solenoid valve (62) is open Is done.
- the refrigerant discharged by the compressor (20) is condensed by the second adsorption heat exchange (32) and decompressed by the electric power expansion valve (40), and then the first adsorption heat exchange (31) ), The force is also sucked into the compressor (20) and compressed.
- the flow of the refrigerant into the indoor heat exchanger (22) is blocked by the first solenoid valve (61).
- the second adsorption heat exchanger (32) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to air.
- the room air humidified by the second adsorption heat exchange (32) is returned to the room.
- the first adsorption heat exchanger (31) the moisture in the outdoor air is adsorbed by the adsorbent, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the outdoor air deprived of moisture by the first adsorption heat exchanger (31) is discharged outside the room.
- the first adsorption heat exchanger (31) functions as a heat source side heat exchanger.
- the four-way switching valve (50) is set to the second state, the first solenoid valve (61) is opened, and the second solenoid valve (62) is opened. Will be closed.
- the refrigerant discharged from the compressor (20) is condensed by the indoor heat exchange (22) and depressurized by the power electric expansion valve (40), and then is decompressed by the first adsorption heat exchange (31). It evaporates and is sucked into the power compressor (20) and compressed.
- the flow of the refrigerant into the second adsorption heat exchanger (32) is blocked by the second solenoid valve (62).
- the outdoor air radiated to the refrigerant in the first adsorption heat exchanger (31) is discharged to the outside, and the room air heated by the indoor heat exchange (22) is returned to the room.
- the regeneration operation of the first adsorption heat exchanger (31) and the adsorption operation of the second adsorption heat exchanger (32) are performed in parallel.
- the four-way switching valve (50) is set to the first state, the first solenoid valve (61) is closed, and the second solenoid valve (62) is opened. Is done.
- the refrigerant discharged from the compressor (20) is condensed by the first adsorption heat exchange (31) and decompressed by the electric expansion valve (40), and thereafter, the second adsorption heat exchange (32) ), And is sucked into the compressor (20) to be compressed.
- the inflow of the refrigerant into the indoor heat exchanger (22) is blocked by the first solenoid valve (61).
- the first adsorption heat exchanger (31) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to air.
- the air humidified by the first adsorption heat exchange (31) is supplied indoors.
- the second adsorption heat exchanger (32) moisture in the indoor air is adsorbed by the adsorbent, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the air deprived of water by the second adsorption heat exchanger (32) is discharged outside the room.
- Embodiment 8 of the present invention will be described.
- the air conditioner of the present embodiment is obtained by changing the configuration of the refrigerant circuit (10) in the air conditioner of the first embodiment.
- the refrigerant circuit (10) is provided with one compressor (20) and one electric expansion valve (40), and the four-way switching valves (51, 52) There are two.
- the refrigerant circuit (10) is provided with one outdoor heat exchange (21) and one indoor heat exchange (22).
- Two heat exchangers (31, 32) are provided.
- the outdoor heat exchanger (21) performs heat exchange on the heat source side
- the indoor heat exchange (22) and the first and second adsorption heat exchanges (31, 32) operate on the use side heat exchanger.
- Each is composed.
- the outdoor heat exchanger (21), the indoor heat exchanger (22), and each of the adsorption heat exchanges (31, 32) are configured in the same manner as in the first embodiment.
- the compressor (20) has a discharge side connected to a first port of the first four-way switching valve (51), and a suction side connected to a second port of the first four-way switching valve (51).
- the outdoor heat exchanger (21) has one end connected to the third port of the first four-way switching valve (51) and the other end connected to the first port of the second four-way switching valve (52).
- the indoor heat exchanger (22) has one end connected to the fourth port of the first four-way switching valve (51) and the other end connected to the second port of the second four-way switching valve (52).
- the first adsorption heat exchange (31), the electric expansion valve (40), and the second expansion valve (52) are sequentially moved from the third port to the fourth port of the second four-way switching valve (52).
- 2 Adsorption heat exchange (32) is arranged.
- the first four-way switching valve (51) is in a first state in which the first port and the third port communicate with each other and the second port and the fourth port communicate with each other (the state shown in FIG. 15). ) And a second state (a state shown in FIG. 16) in which the first port and the fourth port communicate with each other and the second port and the third port communicate with each other.
- the second four-way switching valve (52) is in a first state in which the first port and the third port communicate with each other and the second port and the fourth port communicate with each other (FIG. 15 (A) And the second state in which the first port and the fourth port communicate with each other and the second and third ports communicate with each other (the state shown in FIG. 16B and FIG. 16B). (The state shown in (A)).
- a dehumidifying cooling operation and a humidifying heating operation are performed.
- the first four-way switching valve (51) is set to the first state, the opening of the electric expansion valve (40) is appropriately adjusted, and the outdoor heat exchanger (21) is condensed. Indoor heat exchange as a container (22) becomes the evaporator.
- the first operation in which the first adsorption heat exchanger (31) becomes a condenser and the second adsorption heat exchanger (32) becomes an evaporator, and the second adsorption heat exchanger (32) becomes a condenser.
- the second operation in which the first adsorption heat exchange (31) becomes the evaporator is alternately repeated.
- the outdoor air is supplied to the outdoor heat exchanger (21), and the indoor air is transmitted to the indoor heat exchange (22) and the first and second adsorption heat exchanges (31, 32). Supplied. Then, while the air passing through the indoor heat exchange (22) is continuously supplied to the room, the air passing through the first adsorption heat exchange (31) and the air passing through the second adsorption heat exchange (32) are It is supplied to the room alternately.
- the regeneration operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger (31) are performed.
- the suction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the first state.
- the refrigerant discharged from the compressor (20) is condensed while sequentially passing through the outdoor heat exchange (21) and the first adsorption heat exchange (31), and the electric expansion valve (40) After that, it evaporates while passing through the second adsorption heat exchanger (32) and the indoor heat exchanger (22) in order, and is sucked into the compressor (20) to be compressed.
- the outdoor air that has absorbed the refrigerant power in the outdoor heat exchanger (21) is discharged to the outside, and the indoor air cooled by the indoor heat exchange (22) is returned to the room.
- the first adsorption heat exchanger (31) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to air.
- the water desorbed from the first adsorption heat exchanger (31) is discharged outside together with the air.
- the second adsorption heat exchanger (32) the moisture in the indoor air is adsorbed by the adsorbent to dehumidify the indoor air, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the room air dehumidified by the second adsorption heat exchanger (32) is returned to the room.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the reproduction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the second state.
- the refrigerant discharged from the compressor (20) is condensed while sequentially passing through the outdoor heat exchange (21) and the second adsorption heat exchange (32), and the electric expansion valve (40) After that, it evaporates while passing through the first adsorption heat exchange (31) and the indoor heat exchanger (22) in order, and is sucked into the compressor (20) to be compressed.
- the first four-way switching valve (51) is set to the second state, the opening of the electric expansion valve (40) is appropriately adjusted, and the indoor heat exchanger (22) is condensed. Outdoor heat exchange (21) becomes an evaporator.
- the first operation in which the first adsorption heat exchanger (31) becomes a condenser and the second adsorption heat exchanger (32) becomes an evaporator, and the second adsorption heat exchanger (32) becomes a condenser.
- the second operation in which the first adsorption heat exchange (31) becomes the evaporator is alternately repeated.
- the outdoor air is supplied to the outdoor heat exchanger (21), and the indoor air is transmitted to the indoor heat exchange (22) and the first and second adsorption heat exchanges (31, 32). Supplied. Then, while the air passing through the indoor heat exchange (22) is continuously supplied to the room, the air passing through the first adsorption heat exchange (31) and the air passing through the second adsorption heat exchange (32) are It is supplied to the room alternately.
- the regeneration operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger (31) are performed.
- the suction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the second state. In this state, the refrigerant discharged from the compressor (20) is condensed while sequentially passing through the indoor heat exchange (22) and the first adsorption heat exchange (31), and is condensed by the electric expansion valve (40). The pressure is reduced, and then evaporates while passing through the second adsorption heat exchanger (32) and the outdoor heat exchanger (21) in order, and is sucked into the compressor (20) to be compressed.
- the outdoor air that has radiated heat to the refrigerant in the outdoor heat exchanger (21) is exhausted outside, and the indoor air heated in the indoor heat exchanger (22) is returned to the room.
- the first adsorption heat exchanger (31) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to the air.
- the indoor air humidified by the first adsorption heat exchanger (31) Will be sent back.
- the second adsorption heat exchanger (32) the moisture in the indoor air is adsorbed by the adsorbent to dehumidify the indoor air, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the indoor air deprived of moisture by the second adsorption heat exchanger (32) is discharged outside the room.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the reproduction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the first state.
- the refrigerant discharged from the compressor (20) is condensed while passing through the indoor heat exchange (22) and the second adsorption heat exchange (32) in order, and then the electric expansion valve (40) ), And then evaporates while passing through the first adsorption heat exchanger (31) and the outdoor heat exchanger (21) in order, and is sucked into the compressor (20) to be compressed.
- the outdoor air radiated to the refrigerant in the outdoor heat exchanger (21) is discharged outside, and the indoor air heated in the indoor heat exchanger (22) is returned to the room. It is.
- the first adsorption heat exchanger (31) the moisture in the indoor air is adsorbed by the adsorbent to dehumidify the indoor air, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the indoor air deprived of moisture by the first adsorption heat exchange (31) is discharged outside the room.
- the second adsorption heat exchanger (32) moisture is desorbed from the adsorbent heated by the heat of the refrigerant, and the desorbed moisture is provided to the indoor air.
- the room air humidified by the second adsorption heat exchange ⁇ (32) is returned to the room.
- the air-conditioning apparatus of the present embodiment is configured as a so-called separate type, it is possible to avoid an increase in the number of steps of the installation work. That is, the compressor (20), the first four-way switching valve (51) and the outdoor heat exchange (21) are housed in an outdoor unit, and the first and second adsorption heat exchanges (32) and the indoor heat exchange (22) And the second four-way switching valve (52) and the electric expansion valve (40) are housed in the indoor unit, the outdoor unit and the indoor unit are connected by two connecting pipes. It just needs to be. Therefore, according to the present embodiment, it is possible to avoid an increase in the number of connecting pipes for connecting the outdoor unit and the indoor unit, and to reduce the number of installation steps to that of a general air conditioner. be able to.
- a bridge circuit (70) may be provided in the refrigerant circuit (10).
- the bridge circuit (70) has four check valves (71-74) connected in a bridge.
- the inflow side of the first check valve (71) is on the outflow side of the second check valve (72)
- the inflow side of the second check valve (72) is on the third check valve (73).
- the outflow side of the third check valve (73) is on the inflow side of the fourth check valve (74)
- the outflow side of the fourth check valve (74) is on the inflow side of the first check valve (71).
- Each is connected to the outflow side.
- the outdoor heat exchanger (21) is connected to the first port of the second four-way switching valve (52) via the bridge circuit (70), and the indoor heat exchange A vessel (22) is connected to a second port of the second four-way switching valve (52) via a bridge circuit (70).
- the outdoor heat exchanger (21) is connected between the first check valve (71) and the second check valve (72) with the first check valve (71).
- the first ports of the second four-way switching valve (52) are connected between the fourth check valves (74), respectively.
- the second port of the second four-way switching valve (52) is connected between the second check valve (72) and the third check valve (73), and the third check valve is provided.
- the indoor heat exchange (22) is connected between the valve (73) and the fourth check valve (74).
- a bridge circuit (70) is provided in each of the first and second operations of the dehumidifying and cooling operation and the first and second operations of the humidifying and heating operation. Otherwise, the refrigerant circulates as in the case.
- the first four-way switching valve (51) and the second four-way switching valve (52) are each set to the first state. Then, the refrigerant flowing out of the outdoor heat exchanger (21) flows into the first adsorption heat exchanger (31) through the first check valve (71), and flows out of the second adsorption heat exchanger (32). The refrigerant flows into the indoor heat exchanger (22) through the third check valve (73).
- the first four-way switching valve (51) is set to the first state and the second four-way switching valve (52) is set to the second state, as shown in FIG. 17 (B).
- the refrigerant flowing out of the outdoor heat exchanger (21) flows into the second adsorption heat exchanger (32) through the first check valve (71), and flows out of the first adsorption heat exchanger (31).
- the refrigerant flows into the indoor heat exchanger (22) through the third check valve (73).
- the second four-way switching valve (52) is set to the first state in the second state. Then, the refrigerant flowing out of the indoor heat exchanger (22) flows into the first adsorption heat exchanger (31) through the fourth check valve (74), and from the second adsorption heat exchanger (32). The outflow refrigerant flows into the outdoor heat exchanger (21) through the second check valve (72).
- the first four-way switching valve (51) and the second four-way switching valve (52) are each set to the second state.
- the refrigerant flowing out of the indoor heat exchanger (22) flows into the second adsorption heat exchanger (32) through the fourth check valve (74), and the first adsorption heat exchanger (31)
- the refrigerant flowing out from the outside flows into the outdoor heat exchanger (21) through the second check valve (72).
- the bridge circuit (70) is provided in the refrigerant circuit (10) of the present modification. Therefore, in the first four-way switching valve (51) and the second four-way switching valve (52), the respective first ports are always on the high pressure side, and the respective second ports are always on the low pressure side. Therefore, according to the present modification, it is possible to use a pilot type four-way switching valve including one port that should always be on the high pressure side and one port that should always be on the low pressure side.
- Embodiment 9 of the present invention will be described.
- the air conditioner of the present embodiment is obtained by changing the configuration of the refrigerant circuit (10) in the air conditioner of the eighth embodiment.
- the refrigerant circuit (10) is provided with one compressor (20), and the electric expansion valves (41, 42) and the four-way switching valves (51, 52). ) Are provided two each.
- the refrigerant circuit (10) one outdoor heat exchange (21) and one indoor heat exchange (22) are provided, and two adsorption heat exchangers (31, 32) are provided.
- the outdoor heat exchanger (21) performs heat exchange on the heat source side
- the indoor heat exchange (22) and the first and second adsorption heat exchanges (31, 32) operate on the use side heat exchanger.
- the outdoor heat exchanger (21), the indoor heat exchanger (22), and each of the adsorption heat exchanges (31, 32) are configured in the same manner as in the eighth embodiment.
- the compressor (20) has a discharge side connected to a first port of the first four-way switching valve (51), and a suction side connected to a second port of the first four-way switching valve (51).
- One end of the outdoor heat exchanger (21) is connected to the third port of the first four-way switching valve (51), and the other end is connected to the first port of the second four-way switching valve (52). It has been continued.
- the second port of the second four-way switching valve (52) is connected to the fourth port of the first four-way switching valve (51).
- the first adsorption heat exchange (31) and the first electric expansion valve (41) are sequentially directed from the third port to the fourth port of the second four-way switching valve (52). And the indoor heat exchange (22), the second electric expansion valve (42), and the second adsorption heat exchange (32).
- the first four-way switching valve (51) is in a first state in which the first port and the third port are in communication with each other and the second and fourth ports are in communication with each other (the state shown in FIG. 19). ) And a second state (a state shown in FIG. 20) in which the first port and the fourth port communicate with each other and the second port and the third port communicate with each other.
- the second four-way switching valve (52) is in a first state in which the first port and the third port communicate with each other and the second port and the fourth port communicate with each other (see FIG. 19A).
- the second state in which the first port and the fourth port communicate with each other and the second port and the third port communicate with each other (the states shown in FIGS. 19B and 20B). (The state shown in (A)).
- a dehumidifying cooling operation and a humidifying heating operation are performed.
- the first four-way switching valve (51) is set to the first state, and the openings of the first and second electric expansion valves (41, 42) are appropriately adjusted.
- the outdoor heat exchanger (21) becomes a condenser and the indoor heat exchanger (22) becomes an evaporator.
- the first operation in which the first adsorption heat exchanger (31) becomes a condenser and the second adsorption heat exchanger (32) becomes an evaporator, and the second adsorption heat exchanger (32) becomes a condenser.
- the second operation in which the first adsorption heat exchange (31) becomes the evaporator is alternately repeated.
- the flow of air during the first operation is the same as the flow during the first operation of the dehumidifying cooling operation in the eighth embodiment.
- the flow of air during the second operation is the same as the flow during the second operation of the dehumidifying cooling operation in the eighth embodiment.
- the suction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the first state.
- the refrigerant discharged from the compressor (20) is condensed while passing through the outdoor heat exchange (21) and the first adsorption heat exchange (31) in that order, and subsequently the first electric motor
- the expansion valve (41) After being depressurized by the expansion valve (41), it is evaporated by the indoor heat exchange (22), further decompressed by the second electric expansion valve (42), and evaporated by the power adsorption second adsorption heat exchange (32). It is sucked into the compressor (20) and compressed.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the reproduction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the second state.
- the refrigerant discharged from the compressor (20) is condensed while passing through the outdoor heat exchange (21) and the second adsorption heat exchange (32) in that order, and subsequently the second electric motor
- the expansion valve (42) After being depressurized by the expansion valve (42), it is evaporated by the indoor heat exchange (22), and further decompressed by the first electric expansion valve (41) and evaporated by the power adsorption first adsorption heat exchange (31). It is sucked into the compressor (20) and compressed.
- the indoor air cooled by the indoor heat exchanger (22) was supplied into the room, and was dehumidified by the second adsorption heat exchange (32) during the first operation.
- the room air and the room air dehumidified by the first adsorption heat exchange (31) during the second operation are alternately supplied to the room.
- the first four-way switching valve (51) is set to the second state, and the opening degrees of the first and second electric expansion valves (41, 42) are appropriately adjusted.
- the indoor heat exchanger (22) becomes a condenser and the outdoor heat exchanger (21) becomes an evaporator.
- the first operation in which the first adsorption heat exchanger (31) becomes a condenser and the second adsorption heat exchanger (32) becomes an evaporator, and the second adsorption heat exchanger (32) becomes a condenser.
- the second operation in which the first adsorption heat exchange (31) becomes the evaporator is alternately repeated.
- the flow of air during the first operation is the same as the flow during the first operation of the humidifying and heating operation in the eighth embodiment.
- the flow of air during the second operation is the same as the flow during the second operation of the humidifying and heating operation in the eighth embodiment.
- the regeneration operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger The suction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the second state. In this state, the refrigerant discharged from the compressor (20) is condensed by the first adsorption heat exchange (31) and decompressed by the first electric expansion valve (41), and then the indoor heat exchange (22) The pressure is reduced by the second electric expansion valve (42) and further evaporated while passing through the second adsorption heat exchanger (32) and the outdoor heat exchanger (21) in order. Inhaled to 20) and compressed.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the reproduction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the first state.
- the refrigerant discharged from the compressor (20) is condensed by the second adsorption heat exchange (32) and decompressed by the power second electric expansion valve (42).
- Condensed in (22) the power is also reduced in pressure by the first electric expansion valve (41), and further evaporates while passing through the first adsorption heat exchanger (31) and the outdoor heat exchanger (21) in that order. It is sucked into the compressor (20) and compressed.
- the room air heated by the indoor heat exchanger (22) was supplied to the room and humidified by the first adsorption heat exchange (31) during the first operation.
- the room air and the room air humidified by the second adsorption heat exchange (32) during the second operation are alternately supplied to the room.
- the following effects are obtained in addition to the effects obtained in the first embodiment. That is, in the present embodiment, during the dehumidifying cooling operation, the refrigerant evaporation temperature in the adsorption heat exchangers (31, 32), which are evaporators, is lower than the refrigerant evaporation temperature in the indoor heat exchanger (22). Can be set low. Therefore, the heat of adsorption generated in the adsorption heat exchangers (31, 32) can be reliably removed by the refrigerant, and the amount of water adsorbed by the adsorption heat exchange (31, 32) can be increased.
- the refrigerant condensation temperature in the adsorption heat exchangers (31, 32) serving as condensers is higher than the refrigerant condensation temperature in the indoor heat exchanger (22). Can be set. For this reason, the temperature of the adsorbent provided in the adsorption heat exchangers (31, 32) can be sufficiently raised, and the adsorbent can be reliably regenerated.
- Embodiment 10 of the Invention will be described.
- the air-conditioning apparatus of the present embodiment is obtained by changing the configuration of the refrigerant circuit (10) in the air-conditioning apparatus of Embodiment 8 described above.
- the refrigerant circuit (10) is provided with one compressor (20) and one electric expansion valve (40), and four-way switching valves (51, 52). There are two.
- one outdoor heat exchange (21) and one indoor heat exchange (22) are provided, and two adsorption heat exchangers (31, 32) are provided.
- the outdoor heat exchanger (21) performs heat exchange on the heat source side
- the indoor heat exchange (22) and the first and second adsorption heat exchanges (31, 32) operate on the use side heat exchanger.
- Each is composed.
- the outdoor heat exchanger (21), the indoor heat exchanger (22), and each of the adsorption heat exchanges (31, 32) are configured in the same manner as in the eighth embodiment.
- the configuration of the refrigerant circuit (10) will be described.
- the compressor (20) has a discharge side connected to a first port of the first four-way switching valve (51), and a suction side connected to a second port of the first four-way switching valve (51).
- the first adsorption heat exchange (31) has one end connected to the third port of the first four-way switching valve (51) and the other end connected to the first port of the second four-way switching valve (52).
- the second adsorption heat exchange (32) has one end connected to the fourth port of the first four-way switching valve (51) and the other end connected to the second port of the second four-way switching valve (52).
- the first four-way switching valve (51) is in a first state in which the first port and the third port communicate with each other and the second port and the fourth port communicate with each other (see FIG. 21 (A) And the second state in which the first and fourth ports communicate with each other and the second and third ports communicate with each other (see the state shown in FIG. 21B and FIG. 22A). 22 (B)).
- the second four-way switching valve (52) is in a first state in which the first port and the third port are in communication with each other and the second port and the fourth port are in communication with each other (FIG. 21 (A) and FIG. FIG. 22 (B)) and a second state where the first port and the fourth port are in communication with each other and the second and third ports are in communication with each other (FIG. 21 (B) and FIG. 22 (A)).
- the outdoor heat exchanger (21) functions as a condenser
- the indoor heat exchanger (22) functions as an evaporator.
- the second operation in which one adsorption heat exchange (31) becomes an evaporator is alternately repeated.
- the flow of air during the first operation is the same as the flow during the first operation of the dehumidifying cooling operation in the eighth embodiment.
- the flow of air during the second operation is the same as the flow during the second operation of the dehumidifying cooling operation in the eighth embodiment.
- the regeneration operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger (31) are performed.
- the suction operation of (32) is performed in parallel.
- the first four-way switching valve (51) and the second four-way switching valve (52) are each set to the first state, and the electric expansion valve (40) is opened. The degree is adjusted appropriately.
- the refrigerant discharged from the compressor (20) is condensed while passing through the first adsorption heat exchange (31) and the outdoor heat exchange (21) in order, and is subsequently depressurized by the electric expansion valve (40). Then, it evaporates while passing through the indoor heat exchange (22) and the second adsorption heat exchange (32) in order, and is sucked into the compressor (20) to be compressed.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the reproduction operation of (32) is performed in parallel.
- the first four-way switching valve (51) and the second four-way switching valve (52) are each set to the second state, and the electric expansion valve (40) is opened.
- the degree is adjusted appropriately.
- the refrigerant discharged from the compressor (20) is condensed while sequentially passing through the second adsorption heat exchange (32) and the outdoor heat exchange (21), and is subsequently depressurized by the electric expansion valve (40). Then, it evaporates while passing through the indoor heat exchange (22) and the first adsorption heat exchange (31) in order, and is sucked into the compressor (20) to be compressed.
- the indoor air cooled by the indoor heat exchanger (22) was supplied to the room and dehumidified by the second adsorption heat exchange (32) during the first operation.
- the room air and the room air dehumidified by the first adsorption heat exchange (31) during the second operation are alternately supplied to the room.
- the indoor heat exchanger (22) functions as a condenser
- the outdoor heat exchanger (21) functions as an evaporator.
- the second operation in which one adsorption heat exchange (31) becomes an evaporator is alternately repeated.
- the flow of air during the first operation is the same as the flow during the first operation of the humidifying and heating operation in the eighth embodiment.
- the flow of air during the second operation is the same as the flow during the second operation of the humidifying and heating operation in the eighth embodiment.
- the regeneration operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the suction operation of (32) is performed in parallel.
- the first four-way switching valve (51) is set to the first state and the second four-way switching valve (52) is set to the second state, as shown in FIG.
- the opening of (40) is appropriately adjusted.
- the refrigerant discharged from the compressor (20) is condensed while passing through the first adsorption heat exchange (31) and the indoor heat exchange (22) in order, and then depressurized by the electric expansion valve (40). Then, it evaporates while passing through the outdoor heat exchanger (21) and the second adsorption heat exchanger (32) in order, and is sucked into the compressor (20) to be compressed.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger (31) are performed.
- the reproduction operation of (32) is performed in parallel.
- the first four-way switching valve (51) is set to the second state
- the second four-way switching valve (52) is set to the first state
- the electric expansion valve is set.
- the opening of (40) is appropriately adjusted.
- the refrigerant discharged from the compressor (20) condenses while sequentially passing through the second adsorption heat exchange (32) and the indoor heat exchange (22), and then is depressurized by the electric expansion valve (40). Then, it evaporates while passing through the outdoor heat exchanger (21) and the first adsorption heat exchanger (31) in order, and is sucked into the compressor (20) to be compressed.
- the room air heated by the indoor heat exchanger (22) was supplied to the room and humidified by the first adsorption heat exchange (31) during the first operation.
- the room air and the room air humidified by the second adsorption heat exchange (32) during the second operation are alternately supplied to the room.
- Embodiment 11 of the invention will be described.
- the air-conditioning apparatus of the present embodiment is obtained by changing the configuration of the refrigerant circuit (10) in the air-conditioning apparatus of Embodiment 8 described above.
- the compressor (20) is provided in the refrigerant circuit (10), and the electric expansion valves (41, 42) and the four-way switching valves (51, 52) are provided. ) Are provided two each.
- the refrigerant circuit (10) one outdoor heat exchange (21) and one indoor heat exchange (22) are provided, and two adsorption heat exchangers (31, 32) are provided.
- the outdoor heat exchanger (21) performs heat exchange on the heat source side, and the indoor heat exchange (22) and the first and second adsorption heat exchanges (31, 32) operate on the use side heat exchanger.
- the outdoor heat exchanger (21), the indoor heat exchanger (22), and the adsorption heat exchanges (31, 32) are each configured in the same manner as in the eighth embodiment.
- the compressor (20) has a discharge side connected to a first port of the first four-way switching valve (51), and a suction side connected to a second port of the first four-way switching valve (51).
- the second four-way switching valve (52) has a first port connected to the third port of the first four-way switching valve (51), and a second port connected to the fourth port of the first four-way switching valve (51). Connected to each other.
- the outdoor heat exchange (21), the first electric expansion valve (41), and the chamber are arranged in order from the third port to the fourth port of the first four-way switching valve (51). Internal heat exchange (22) is arranged.
- the first adsorption heat exchange (31) and the second electric expansion valve (42) are sequentially directed from the third port to the fourth port of the second four-way switching valve (52). And the second adsorption heat exchange (32) are arranged.
- the portion of the first four-way switching valve (51) from the third port to the fourth port constitutes the first circuit (11) and the second four-way switching valve (52) The portion from the third port to the fourth port constitutes the second circuit (12).
- the first The second circuit (12) is connected to the circuit (11) via a second four-way switching valve (52), and the first circuit (11) and the second circuit (12) are arranged in parallel with each other. .
- the first four-way switching valve (51) is in a first state in which the first port and the third port communicate with each other and the second port and the fourth port communicate with each other (the state shown in FIG. 23). ) And a second state (a state shown in FIG. 24) in which the first port and the fourth port communicate with each other and the second port and the third port communicate with each other.
- the second four-way switching valve (52) is in a first state in which the first port and the third port communicate with each other and the second port and the fourth port communicate with each other (FIG. 23 (A) And the second state in which the first port and the fourth port are in communication with each other and the second and third ports are in communication with each other (the state shown in FIG. 23B and FIG. 24B). (The state shown in (A)).
- a dehumidifying cooling operation and a humidifying heating operation are performed.
- the first four-way switching valve (51) is set to the first state, and the opening degree of the first electro-expansion valve (41) is appropriately adjusted, so that the first circuit (11)
- the outdoor heat exchanger (21) becomes a condenser and the indoor heat exchange (22) becomes an evaporator.
- the refrigerant discharged from the compressor (20) and flowing into the first circuit (11) is condensed in the outdoor heat exchanger (21), decompressed by the first electric expansion valve (41), and subjected to indoor heat exchange. After being evaporated in the compressor (22), it is sucked into the compressor (20) and compressed.
- the first adsorption heat exchanger (31) becomes a condenser and the second adsorption heat exchanger (32) becomes an evaporator.
- the operation and the second operation in which the second adsorption heat exchanger (32) becomes a condenser and the first adsorption heat exchanger (31) becomes an evaporator in the second circuit (12) are alternately repeated.
- the flow of air during the first operation is the same as the flow during the first operation of the dehumidifying cooling operation in the eighth embodiment.
- the flow of air during the second operation is the same as the flow during the second operation of the dehumidifying cooling operation in the eighth embodiment.
- the regeneration operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger The suction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the first state, and the opening of the second electric expansion valve (42) is appropriately adjusted.
- the refrigerant discharged from the compressor (20) and flowing into the second circuit (12) is condensed by the first adsorption heat exchange (31) and the power is also reduced by the second electric expansion valve (42). After being evaporated in the second adsorption heat exchanger (32), it is sucked into the compressor (20) and compressed.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger (31) are performed.
- the reproduction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the second state, and the opening of the second electric expansion valve (42) is appropriately adjusted.
- the refrigerant discharged from the compressor (20) and flowing into the second circuit (12) is condensed by the second adsorption heat exchange (32), and the power is also reduced by the second electric expansion valve (42).
- the first adsorption heat exchanger (31) After being evaporated in the first adsorption heat exchanger (31), it is sucked into the compressor (20) and compressed.
- the indoor air cooled by the indoor heat exchanger (22) was supplied to the room and dehumidified by the second adsorption heat exchange (32) during the first operation.
- the room air and the room air dehumidified by the first adsorption heat exchange (31) during the second operation are alternately supplied to the room.
- the first four-way switching valve (51) is set to the second state, and the opening of the first electro-expansion valve (41) is appropriately adjusted, so that the first circuit (11)
- the indoor heat exchanger (22) becomes a condenser and the outdoor heat exchange (21) becomes an evaporator.
- the refrigerant discharged from the compressor (20) and flowing into the first circuit (11) is condensed by the indoor heat exchange (22) and decompressed by the power first electric expansion valve (41). After evaporating in (21), it is sucked into the compressor (20) and compressed.
- the first adsorption heat exchanger (31) becomes a condenser and the second adsorption heat exchanger (32) becomes an evaporator.
- the operation and the second operation in which the second adsorption heat exchanger (32) becomes a condenser and the first adsorption heat exchanger (31) becomes an evaporator in the second circuit (12) are alternately repeated.
- the air flow during the first operation is the same as the first flow of the humidification and heating operation in the eighth embodiment. It is the same as the flow during operation.
- the flow of air during the second operation is the same as the flow during the second operation of the humidifying and heating operation in the eighth embodiment.
- the suction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the second state, and the opening of the second electric expansion valve (42) is appropriately adjusted.
- the refrigerant discharged from the compressor (20) and flowing into the second circuit (12) is condensed by the first adsorption heat exchange (31) and the power is also reduced by the second electric expansion valve (42).
- the second electric expansion valve (42) After being evaporated in the second adsorption heat exchanger (32), it is sucked into the compressor (20) and compressed.
- the reproduction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the first state, and the opening of the second electric expansion valve (42) is appropriately adjusted.
- the refrigerant discharged from the compressor (20) and flowing into the second circuit (12) is condensed by the second adsorption heat exchange (32), and the power is also reduced by the second electric expansion valve (42).
- the first adsorption heat exchanger (31) After being evaporated in the first adsorption heat exchanger (31), it is sucked into the compressor (20) and compressed.
- the room air heated by the indoor heat exchanger (22) was supplied to the room and humidified by the first adsorption heat exchange (31) during the first operation.
- the room air and the room air humidified by the second adsorption heat exchange (32) during the second operation are alternately supplied to the room.
- the opening control of the first electric expansion valve (41) provided in the first circuit (11) may be performed so that the degree of superheat of the refrigerant at the outlet side of the first circuit (11) is constant.
- the degree of opening control of the second electric expansion valve (42) provided in the second circuit (12) may be performed so that the degree of superheat of the refrigerant at the outlet side of the second circuit (12) is constant.
- control of the first electric expansion valve (41) can be performed by considering only the state of the refrigerant in the first circuit (11).
- Control of the second electric expansion valve (42) can be controlled in the second circuit (12). Considering only the state of the refrigerant That's all you need to do. Therefore, according to the present embodiment, the operation control of the air conditioner can be simplified.
- each first port is always on the high pressure side, and The second port is always on the low pressure side. Therefore, according to this modification, it is possible to use a four-way switching valve of a pilot type having one port that should always be on the high pressure side and one port that should always be on the low pressure side.
- the air-conditioning apparatus of the present embodiment is obtained by changing the configuration of the refrigerant circuit (10) in the air-conditioning apparatus of Embodiment 8 described above.
- the compressor (20) is provided in the refrigerant circuit (10), and the electric expansion valves (41, 42) and the four-way switching valves (51, 52) are provided. ) Are provided two each.
- the refrigerant circuit (10) one outdoor heat exchange (21) and one indoor heat exchange (22) are provided, and two adsorption heat exchangers (31, 32) are provided.
- the outdoor heat exchanger (21) performs heat exchange on the heat source side, and the indoor heat exchange (22) and the first and second adsorption heat exchanges (31, 32) operate on the use side heat exchanger.
- the outdoor heat exchanger (21), the indoor heat exchanger (22), and each of the adsorption heat exchanges (31, 32) are configured in the same manner as in the eighth embodiment.
- the configuration of the refrigerant circuit (10) will be described.
- the compressor (20) has its discharge side connected to both the first port of the first four-way switching valve (51) and the second port of the second four-way switching valve (52), and has its suction side switched to the first four-way. It is connected to both the second port of the valve (51) and the second port of the second four-way switching valve (52).
- the outdoor heat exchange (21), the first electric expansion valve (41), and the indoor heat exchange are performed in order from the third port to the fourth port of the first four-way switching valve (51). (22) are arranged.
- the first adsorption heat exchange (31) and the second electric expansion valve (42) are sequentially moved from the third port to the fourth port of the second four-way switching valve (52). And the second adsorption heat exchange (32) are arranged.
- the portion of the first four-way switching valve (51) from the third port to the fourth port constitutes the first circuit (11) and the second four-way switching valve (52) Third port to fourth port
- the respective parts constitute the second circuit (12).
- the first circuit (11) connects to the compressor (20) via the first four-way switching valve (51), and the second circuit (12) connects the second four-way switching valve (52).
- the first circuit (11) and the second circuit (12) are arranged in parallel with each other via a compressor (20).
- the first four-way switching valve (51) is in a first state (a state shown in FIG. 25) in which the first port and the third port communicate with each other and the second port and the fourth port communicate with each other. ) And a second state (a state shown in FIG. 26) in which the first port and the fourth port communicate with each other and the second port and the third port communicate with each other.
- the second four-way switching valve (52) is in a first state in which the first port and the third port communicate with each other and the second port and the fourth port communicate with each other (FIG. 25A). 26A and the second state in which the first and fourth ports communicate with each other and the second and third ports communicate with each other (FIGS. 25B and 26A). (The state shown in (B)).
- a dehumidifying cooling operation and a humidifying heating operation are performed.
- the first four-way switching valve (51) is set to the first state, and the opening of the first electro-expansion valve (41) is appropriately adjusted, so that the first circuit (11)
- the outdoor heat exchanger (21) becomes a condenser and the indoor heat exchange (22) becomes an evaporator.
- the refrigerant discharged from the compressor (20) and flowing into the first circuit (11) is condensed in the outdoor heat exchanger (21), decompressed by the first electric expansion valve (41), and subjected to indoor heat exchange. After being evaporated in the compressor (22), it is sucked into the compressor (20) and compressed.
- the first adsorption heat exchanger (31) becomes a condenser in the second circuit (12) and the first adsorption heat exchanger (32) becomes an evaporator in the second circuit (12).
- the operation and the second operation in which the second adsorption heat exchanger (32) becomes a condenser and the first adsorption heat exchanger (31) becomes an evaporator in the second circuit (12) are alternately repeated.
- the suction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the first state, and the opening of the second electric expansion valve (42) is appropriately adjusted.
- the refrigerant discharged from the compressor (20) and flowing into the second circuit (12) is condensed by the first adsorption heat exchange (31) and the power is also reduced by the second electric expansion valve (42).
- the second electric expansion valve (42) After being evaporated in the second adsorption heat exchanger (32), it is sucked into the compressor (20) and compressed.
- the reproduction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the second state, and the opening of the second electric expansion valve (42) is appropriately adjusted.
- the refrigerant discharged from the compressor (20) and flowing into the second circuit (12) is condensed by the second adsorption heat exchange (32), and the power is also reduced by the second electric expansion valve (42).
- the first adsorption heat exchanger (31) After being evaporated in the first adsorption heat exchanger (31), it is sucked into the compressor (20) and compressed.
- the room air cooled by the indoor heat exchanger (22) was supplied to the room and dehumidified by the second adsorption heat exchange (32) during the first operation.
- the room air and the room air dehumidified by the first adsorption heat exchange (31) during the second operation are alternately supplied to the room.
- the first four-way switching valve (51) is set to the second state, and the opening degree of the first electro-expansion valve (41) is appropriately adjusted, so that the first circuit (11)
- the indoor heat exchanger (22) becomes a condenser and the outdoor heat exchange (21) becomes an evaporator.
- the refrigerant discharged from the compressor (20) and flowing into the first circuit (11) is condensed by the indoor heat exchange (22) and decompressed by the power first electric expansion valve (41). After evaporating in (21), it is sucked into the compressor (20) and compressed.
- the first adsorption heat exchanger (31) becomes a condenser in the second circuit (12) and the first adsorption heat exchanger (32) becomes an evaporator in the second circuit (12).
- the flow of air during the first operation is the same as the flow during the first operation of the humidifying and heating operation in the eighth embodiment.
- the flow of air during the second operation is the same as the flow during the second operation of the humidifying and heating operation in the eighth embodiment.
- the suction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the first state, and the opening of the second electric expansion valve (42) is appropriately adjusted.
- the refrigerant discharged from the compressor (20) and flowing into the second circuit (12) is condensed by the first adsorption heat exchange (31) and the power is also reduced by the second electric expansion valve (42).
- the second electric expansion valve (42) After being evaporated in the second adsorption heat exchanger (32), it is sucked into the compressor (20) and compressed.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the reproduction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the second state, and the opening of the second electric expansion valve (42) is appropriately adjusted.
- the refrigerant discharged from the compressor (20) and flowing into the second circuit (12) is condensed by the second adsorption heat exchange (32), and the power is also reduced by the second electric expansion valve (42).
- the first adsorption heat exchanger (31) After being evaporated in the first adsorption heat exchanger (31), it is sucked into the compressor (20) and compressed.
- the room air heated by the indoor heat exchanger (22) was supplied to the room and humidified by the first adsorption heat exchange (31) during the first operation.
- the room air and the room air humidified by the second adsorption heat exchange (32) during the second operation are alternately supplied to the room.
- a thirteenth embodiment of the present invention will be described.
- the air-conditioning apparatus of the present embodiment is obtained by changing the configuration of the refrigerant circuit (10) in the air-conditioning apparatus of Embodiment 8 described above.
- the refrigerant circuit (10) is provided with a compressor (20) and a gas-liquid separator (23) each, and is connected to the electric expansion valves (41, 42). Two 4-way switching valves (51, 52) Have been killed.
- the refrigerant circuit (10) is provided with one outdoor heat exchange (21), one indoor heat exchange (22), and one force S, and two adsorption heat exchanges (31, 32).
- the outdoor heat exchanger (21) uses the heat source side heat exchanger
- the indoor heat exchanger (22) and the first and second adsorption heat exchanges (31, 32) use the user side heat exchanger.
- the outdoor heat exchanger (21), the indoor heat exchanger (22), and the adsorption heat exchangers (31, 32) are each configured in the same manner as in the eighth embodiment.
- the compressor (20) has a discharge side connected to a first port of the first four-way switching valve (51), and a suction side connected to a second port of the first four-way switching valve (51).
- the outdoor heat exchange (21), the gas-liquid separator (23), and the first heat exchanger (21) are sequentially moved from the third port to the fourth port of the first four-way switching valve (51).
- the electric expansion valve (41) and the indoor heat exchange (22) are arranged.
- the second four-way switching valve (52) has a first port connected to the gas-side outlet of the gas-liquid separator (23), and a second port connected to the fourth port of the first four-way switching valve (51).
- the first adsorption heat exchanger (31) and the second electric expansion valve (42) are sequentially turned from the third port to the fourth port of the second four-way switching valve (52).
- the second adsorption heat exchange (32) is arranged.
- the first four-way switching valve (51) is in a first state in which the first port and the third port communicate with each other and the second port and the fourth port communicate with each other (the state shown in FIG. 27). ) And a second state (a state shown in FIG. 28) in which the first port and the fourth port communicate with each other and the second port and the third port communicate with each other.
- the second four-way switching valve (52) is in a first state in which the first port and the third port communicate with each other and the second port and the fourth port communicate with each other (FIG. 27 (A) And the second state in which the first port and the fourth port communicate with each other and the second port and the third port communicate with each other (the states shown in FIGS. 27B and 28B). (The state shown in (A)).
- a dehumidifying cooling operation and a humidifying heating operation are performed.
- the first four-way switching valve (51) is set to the first state and the first The opening degree of the dynamic expansion valve (41) is appropriately adjusted, and the outdoor heat exchanger (21) functions as a condenser, and the indoor heat exchanger (22) functions as an evaporator.
- part of the refrigerant discharged from the compressor (20) also flows into the gas-liquid separator (23) after being condensed in the outdoor heat exchanger (21), and is separated into liquid refrigerant and gas refrigerant. You. Then, the liquid refrigerant flowing out of the gas-liquid separator (23) is decompressed by the first electric expansion valve (41), evaporated by the heat exchange (22) inside the car, and then sucked into the compressor (20). Compressed.
- the first operation in which the first adsorption heat exchanger (31) functions as a condenser and the second adsorption heat exchanger (32) functions as an evaporator is alternately repeated.
- the flow of air during the first operation is the same as the flow during the first operation of the dehumidifying cooling operation in the eighth embodiment.
- the flow of air during the second operation is the same as the flow during the second operation of the dehumidifying cooling operation in the eighth embodiment.
- the regeneration operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger (31) are performed.
- the suction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the first state, and the opening of the second electric expansion valve (42) is appropriately adjusted.
- the gas refrigerant flowing out of the gas-liquid separator (23) is condensed in the first adsorption heat exchanger (31), and then reduced in pressure in the second electric expansion valve (42). After evaporating in (32), it is sucked into the compressor (20) and compressed.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the reproduction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the second state, and the opening of the second electric expansion valve (42) is appropriately adjusted.
- the gas refrigerant flowing out of the gas-liquid separator (23) is condensed in the second adsorption heat exchanger (32), and then reduced in pressure by the second electric expansion valve (42). After being vaporized in (31), it is sucked into the compressor (20) and compressed.
- the first four-way switching valve (51) is set to the second state, and the opening of the first electro-expansion valve (41) is appropriately adjusted, so that the indoor heat exchanger (22) ) Becomes a condenser and outdoor heat exchange (21) becomes an evaporator.
- the refrigerant discharged from the compressor (20) is diverted to the indoor heat exchanger (22) and the second four-way switching valve (52).
- the refrigerant flowing into the indoor heat exchanger (22) is condensed by the indoor heat exchange (22) and decompressed by the first electric expansion valve (41), and then flows into the gas-liquid separator (23). I do.
- the first adsorption heat exchanger (31) becomes the condenser in the second circuit (12) and the first adsorption heat exchanger (32) becomes the evaporator in the second circuit (12).
- the operation and the second operation in which the second adsorption heat exchanger (32) becomes a condenser and the first adsorption heat exchange (31) becomes an evaporator are alternately repeated.
- the flow of air during the first operation is the same as the flow during the first operation of the humidifying and heating operation in the eighth embodiment.
- the flow of air during the second operation is the same as the flow during the second operation of the humidifying and heating operation in the eighth embodiment.
- the suction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the second state, and the opening of the second electric expansion valve (42) is appropriately adjusted.
- the refrigerant flowing into the second four-way switching valve (52) is condensed by the first adsorption heat exchange (31) and the power is reduced by the second electric expansion valve (42).
- the gas-liquid separator (23) After evaporating in the exchanger (32), it flows into the gas-liquid separator (23) and joins the refrigerant from the indoor heat exchanger (22).
- the refrigerant flowing out of the gas-liquid separator (23) is evaporated into the outdoor heat exchanger (21) and then sucked into the compressor (20) to be compressed.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the reproduction operation of (32) is performed in parallel.
- the second four-way switching valve (52) is set to the first state, and the opening of the second electric expansion valve (42) is appropriately adjusted.
- the refrigerant flowing into the second four-way switching valve (52) is condensed by the second adsorption heat exchange (32) and the force is also reduced by the second electric expansion valve (42).
- Exchange After evaporating in the heat exchanger (31), it flows into the gas-liquid separator (23) and merges with the refrigerant from the indoor heat exchanger (22).
- the refrigerant flowing out of the gas-liquid separator (23) is evaporated into the outdoor heat exchanger (21) and then sucked into the compressor (20) to be compressed.
- the room air heated by the indoor heat exchanger (22) was supplied to the room and humidified by the first adsorption heat exchange (31) during the first operation.
- the room air and the room air humidified by the second adsorption heat exchange (32) during the second operation are alternately supplied to the room.
- the air-conditioning apparatus of the present embodiment is configured as a so-called separate type, it is possible to avoid an increase in the number of steps of the installation work. That is, the compressor (20), the first four-way switching valve (51), and the outdoor heat exchanger (21) are housed in an outdoor unit, and the first and second adsorption heat exchangers are housed.
- the outdoor heat exchange (21) the refrigerant that has flowed out is separated into a liquid refrigerant and a gas refrigerant by the gas-liquid separator (23), and the separated gas refrigerant is separated.
- the adsorption heat exchanger (31, 32) which serves as a condenser. Therefore, according to the present embodiment, the amount of heating of the adsorbent in the adsorption heat exchanger (31, 32) serving as a condenser can be sufficiently ensured, and the adsorbent can be reliably regenerated.
- the positions of the outdoor heat exchanger (21) and the first adsorption heat exchange (31) are interchanged, and the indoor heat exchange (22) is switched. You may switch the position of the second adsorption heat exchange (32)! / ⁇ .
- the third port force of the first four-way switching valve (51) is also directed toward the fourth port, and the first adsorption heat exchange (31) And a gas-liquid separator (23), a first electro-expansion valve (41), and a second adsorption heat exchange (32).
- the outdoor heat exchange m ⁇ (21) and the second electric expansion valve (42) are sequentially arranged from the third port to the fourth port of the second four-way switching valve (52).
- Indoor heat exchange (22) are arranged.
- the first four-way switching valve (51) and the second four-way switching valve (52) are each set to the first state, and The openings of the electric expansion valve (41) and the second electric expansion valve (42) are adjusted as appropriate.
- the refrigerant discharged from the compressor (20) is condensed by the first adsorption heat exchange (31), and the power also flows into the gas-liquid separator (23).
- the liquid refrigerant flowing out of the gas-liquid separator (23) is depressurized by the first electric expansion valve (41), evaporated by the second adsorption heat exchange (32), and then drawn into the compressor (20). Compressed.
- the gas refrigerant flowing out of the gas-liquid separator (23) is condensed by the outdoor heat exchange (21) and decompressed by the second power expansion valve (42). After being evaporated at, it is sucked into the compressor (20) and compressed.
- the first four-way switching valve (51) and the second four-way switching valve (52) are each set to the second state, and The openings of the electric expansion valve (41) and the second electric expansion valve (42) are adjusted as appropriate.
- part of the refrigerant discharged from the compressor (20) flows into the second adsorption heat exchange (32), and the rest flows into the outdoor heat exchange (21).
- the refrigerant flowing into the second adsorption heat exchanger (32) is condensed in the second adsorption heat exchanger (32), and then decompressed by the first electric expansion valve (41). ).
- the refrigerant flowing into the outdoor heat exchanger (21) is condensed in the outdoor heat exchanger (21), decompressed by the second electric expansion valve (42), and then evaporated in the indoor heat exchanger (22). Then flows into the gas-liquid separator (23).
- the refrigerant flowing out of the gas-liquid separator (23) evaporates in the first adsorption heat exchanger (31) and is then sucked into the compressor (20) and compressed.
- the first four-way switching valve (51) is in the first state
- the second four-way switching valve (52) is in the second state.
- the opening degree of the first electric expansion valve (41) and the second electric expansion valve (42) is adjusted as appropriate.
- the refrigerant discharged from the compressor (20) also condenses in the first adsorption heat exchange (31) and is condensed by the power gas-liquid separator (23).
- Flows into The liquid refrigerant flowing out of the gas-liquid separator (23) is decompressed by the first electric expansion valve (41), evaporated by the second adsorption heat exchange (32), and then sucked into the compressor (20). Compressed.
- the gas refrigerant flowing out of the gas-liquid separator (23) was condensed by indoor heat exchange (22), decompressed by the second electric expansion valve (42), and evaporated by the outdoor heat exchanger (21). Later, it is sucked into the compressor (20) and compressed.
- the first four-way switching valve (51) is in the second state, and the second four-way switching valve (52) is in the first state.
- the opening degree of the first electric expansion valve (41) and the second electric expansion valve (42) is adjusted as appropriate.
- part of the refrigerant discharged from the compressor (20) flows into the second adsorption heat exchange (32), and the rest flows into the indoor heat exchanger (22).
- the refrigerant flowing into the second adsorption heat exchanger (32) is condensed in the second adsorption heat exchanger (32), decompressed by the first electric expansion valve (41), and then decompressed by the gas-liquid separator (23). ).
- the refrigerant flowing into the indoor heat exchanger (22) is condensed in the indoor heat exchanger (22), decompressed by the second electric expansion valve (42), and then evaporated in the outdoor heat exchanger (21). Then flows into the gas-liquid separator (23).
- the refrigerant flowing out of the gas-liquid separator (23) evaporates in the first adsorption heat exchanger (31) and is then sucked into the compressor (20) and compressed.
- Embodiment 14 of the invention will be described.
- the air-conditioning apparatus of the present embodiment is obtained by changing the configuration of the refrigerant circuit (10) in the air-conditioning apparatus of Embodiment 8 described above.
- the refrigerant circuit (10) is provided with one compressor (20), one electric expansion valve (40), and one four-way switching valve (50). Two valves (61, 62) are provided.
- one outdoor heat exchanger (21) and one indoor heat exchanger (22) are provided, and two adsorption heat exchanges (31, 32) are provided.
- the outdoor heat exchanger (21) serves as a heat source side heat exchanger
- the indoor heat exchanger (22) and the first and second adsorption heat exchangers (31, 32) serve as user side heat exchangers. It constitutes heat exchange.
- the outdoor heat exchange (21), the indoor heat exchanger (22), and each of the adsorption heat exchangers (31, 32) are configured in the same manner as in the eighth embodiment.
- the configuration of the refrigerant circuit (10) will be described.
- the discharge side of the compressor (20) is connected to one end of the first adsorption heat exchanger (31) and one end of the second adsorption heat exchanger (32), and the suction side is They are respectively connected to the second ports of the switching valves (50).
- the other end of the first adsorption heat exchange (31) is connected via the first solenoid valve (61), and the other end of the second adsorption heat exchanger (32) is connected via the second electromagnetic valve (62). It is connected to the first port of the switching valve (50).
- the outdoor heat exchanger is sequentially moved from the third port to the fourth port of the four-way switching valve (50).
- the four-way switching valve (50) is in a first state in which the first port and the third port are in communication with each other and the second port and the fourth port are in communication with each other (the state shown in Fig. 31). Then, the state is switched to a second state (a state shown in FIG. 32) in which the first port and the fourth port communicate with each other and the second port and the third port communicate with each other.
- a dehumidifying cooling operation and a humidifying heating operation are performed.
- the four-way switching valve (50) is set to the first state, the opening of the electric expansion valve (40) is appropriately adjusted, and the outdoor heat exchanger (21) is connected to the condenser. Becoming an indoor heat exchanger
- outdoor air is supplied to the outdoor heat exchanger (21), and indoor air is supplied to the first and second adsorption heat exchangers (31, 32).
- the air passing through the indoor heat exchanger (22) is continuously supplied to the room, and the air passing through the first adsorption heat exchange (31) and the air passing through the second adsorption heat exchange (32) are Are alternately supplied to the room.
- the suction operation of (32) is performed in parallel.
- the first solenoid valve (61) is opened and the second solenoid valve (62) is closed.
- the refrigerant discharged from the compressor (20) is condensed while passing through the first adsorption heat exchange (31) and the outdoor heat exchange (21) in order, and thereafter, the electric expansion valve (40) ), Evaporates in the power indoor heat exchange (22), and is sucked into the compressor (20) and compressed.
- the second adsorption heat exchange (32) The inflow of the refrigerant is blocked by the second solenoid valve (62).
- the outdoor air that has absorbed the refrigerant power in the outdoor heat exchanger (21) is discharged to the outside, and the indoor air cooled by the indoor heat exchange (22) is returned to the room.
- the first adsorption heat exchanger (31) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to air.
- the water desorbed from the first adsorption heat exchanger (31) is discharged outside together with the air.
- the second adsorption heat exchanger (32) the moisture in the room air is adsorbed by the adsorbent, and the room air is dehumidified.
- the room air dehumidified by the second adsorption heat exchanger (32) is returned to the room.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the reproduction operation of (32) is performed in parallel.
- the first solenoid valve (61) is closed, and the second solenoid valve (62) is opened. In this state, the compressor
- the refrigerant discharged from the condenser condenses while passing through the second adsorption heat exchange (32) and the outdoor heat exchange (21) in order, and is then decompressed by the electric expansion valve (40) to reduce the power. It evaporates in the indoor heat exchange (22) and is sucked into the compressor (20) and compressed. At this time, the flow of the refrigerant into the first adsorption heat exchange (31) is blocked by the first solenoid valve (61).
- the outdoor air that has absorbed heat from the refrigerant in the outdoor heat exchanger (21) is exhausted outside, and the indoor air cooled by the indoor heat exchange (22) is returned to the room. It is.
- the first adsorption heat exchanger (31) the moisture in the room air is adsorbed by the adsorbent, and the room air is dehumidified.
- the room air dehumidified by the first adsorption heat exchange (31) is returned to the room.
- the second adsorption heat exchanger (32) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to the air.
- the water desorbed from the second adsorption heat exchanger (32) is discharged outside the room together with the air.
- the four-way switching valve (50) is set to the second state, the opening of the electric expansion valve (40) is appropriately adjusted, and the indoor heat exchanger (22) is connected to the condenser. Become an outdoor heat exchanger
- the outdoor air is supplied to the outdoor heat exchanger (21), and the indoor air is transmitted to the indoor heat exchange (22) and the first and second adsorption heat exchanges (31, 32). Supplied. Then, while the air passing through the indoor heat exchange (22) is continuously supplied to the room, the air passing through the first adsorption heat exchange (31) and the air passing through the second adsorption heat exchange (32) are It is supplied to the room alternately.
- the suction operation of (32) is performed in parallel.
- the first solenoid valve (61) is opened and the second solenoid valve (62) is closed.
- the refrigerant discharged by the compressor (20) is condensed while passing through the first adsorption heat exchange (31) and the indoor heat exchange (22) in order, and then is condensed by the electric expansion valve (40).
- the pressure is reduced and the oil is evaporated by the outdoor heat exchange (21), and is sucked into the compressor (20) and compressed.
- the flow of the refrigerant into the second adsorption heat exchange (32) is blocked by the second solenoid valve (62).
- the outdoor air that has radiated heat to the refrigerant in the outdoor heat exchanger (21) is exhausted outside, and the indoor air heated by the indoor heat exchanger (22) is sent back indoors.
- the first adsorption heat exchanger (31) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to the air.
- the indoor air deprived of moisture by the first adsorption heat exchanger (31) is discharged outside the room.
- the second adsorption heat exchanger (32) the moisture in the room air is absorbed by the adsorbent, and the room air is dehumidified.
- the room air humidified by the second adsorption heat exchanger (32) is returned to the room.
- the reproduction operation of (32) is performed in parallel.
- the first solenoid valve (61) is closed, and the second solenoid valve (62) is opened.
- the refrigerant discharged by the compressor (20) is condensed while passing through the second adsorption heat exchange (32) and the indoor heat exchange (22) in order, and then is condensed by the electric expansion valve (40).
- the pressure is reduced and the oil is evaporated by the outdoor heat exchange (21), and is sucked into the compressor (20) and compressed.
- the flow of the refrigerant into the first adsorption heat exchange (31) is blocked by the first solenoid valve (61).
- the outdoor air that has radiated heat to the refrigerant in the outdoor heat exchanger (21) is exposed to the outside air. And the room air heated by the indoor heat exchanger (22) is returned to the room.
- the first adsorption heat exchanger (31) the moisture in the room air is adsorbed by the adsorbent and the room air is dehumidified.
- the room air humidified by the first adsorption heat exchange (31) is returned to the room.
- the second adsorption heat exchanger (32) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to the air.
- the indoor air deprived of moisture by the second adsorption heat exchanger (32) is discharged outside the room.
- the following effects are obtained in addition to the effects obtained in the first embodiment. That is, in the present embodiment, switching between the first operation and the second operation during the dehumidifying cooling operation or the humidifying heating operation is performed by opening and closing the two solenoid valves (61, 62). Such switching between the first operation and the second operation is frequently performed at relatively short time intervals (for example, at intervals of 5 to 10 minutes). Therefore, according to this embodiment, the relatively durable solenoid valves (61, 62) can be used for switching between the first operation and the second operation, and the reliability of the air conditioner can be easily ensured. be able to.
- Embodiment 15 of the invention will be described.
- the air-conditioning apparatus of the present embodiment is obtained by changing the configuration of the refrigerant circuit (10) in the air-conditioning apparatus of Embodiment 8 described above.
- the refrigerant circuit (10) is provided with one compressor (20), one electric expansion valve (40), and one four-way switching valve (50). Two valves (61, 62) are provided.
- one outdoor heat exchanger (21) and one indoor heat exchanger (22) are provided, and two adsorption heat exchanges (31, 32) are provided.
- the outdoor heat exchanger (21) serves as a heat source side heat exchanger
- the indoor heat exchanger (22) and the first and second adsorption heat exchangers (31, 32) serve as user side heat exchangers. It constitutes heat exchange.
- the outdoor heat exchange (21), the indoor heat exchanger (22), and each of the adsorption heat exchangers (31, 32) are configured in the same manner as in the eighth embodiment.
- the compressor (20) has a discharge side connected to a first port of the four-way switching valve (50), and a suction side connected to a second port of the four-way switching valve (50).
- One end of the first adsorption heat exchanger (31) and one end of the second adsorption heat exchanger (32) The ends are respectively connected to the fourth ports of the four-way switching valve (50).
- the other end of the first adsorption heat exchanger (31) is connected to the first electromagnetic valve (61), and the other end of the second adsorption heat exchanger (32) is connected to the second electromagnetic valve (62).
- the other end of the indoor heat exchanger (22) is connected to one end of the outdoor heat exchanger (21) via the electric expansion valve (40), and the other end of the outdoor heat exchanger (21) is a four-way switching valve (50). Is connected to the third port.
- the four-way switching valve (50) is in a first state in which the first port and the third port communicate with each other and the second port and the fourth port communicate with each other (the state shown in Fig. 33). Then, the state is switched to the second state (the state shown in FIG. 34) in which the first port and the fourth port communicate with each other and the second port and the third port communicate with each other.
- a dehumidifying cooling operation and a humidifying heating operation are performed.
- the four-way switching valve (50) is set to the first state, the opening of the electric expansion valve (40) is appropriately adjusted, and the outdoor heat exchanger (21) is connected to the condenser. Then, the indoor heat exchanger (22) becomes an evaporator.
- the second operation in which the adsorption heat exchange (31) is stopped is alternately repeated.
- the outdoor air is supplied to the outdoor heat exchanger (21), and the indoor air is transmitted to the indoor heat exchange (22) and the first and second adsorption heat exchanges (31, 32). Is supplied. Then, while the air passing through the indoor heat exchange (22) is continuously supplied to the room, the air passing through the first adsorption heat exchange (31) and the air passing through the second adsorption heat exchange (32) are It is supplied to the room alternately.
- the reproduction operation of (32) is performed in parallel.
- the first solenoid valve (61) is opened, and the second solenoid valve (62) is closed.
- the refrigerant discharged from the compressor (20) is condensed by the outdoor heat exchange (21) and decompressed by the electric motor-operated expansion valve (40), and then the first heat adsorbed by the indoor heat exchanger (22).
- the heat exchanger (31) While passing through the heat exchanger (31) in order It evaporates and is sucked into the compressor (20) to be compressed.
- the flow of the refrigerant into the second adsorption heat exchange (32) is blocked by the second solenoid valve (62).
- the outdoor air that has absorbed the refrigerant power in the outdoor heat exchanger (21) is discharged to the outside, and the indoor air cooled by the indoor heat exchange (22) is returned to the room.
- the first adsorption heat exchanger (31) the moisture in the indoor air is adsorbed by the adsorbent to dehumidify the indoor air, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the room air dehumidified by the first adsorption heat exchange (31) is returned to the room.
- the second adsorption heat exchanger (32) room air having a relatively low absolute humidity comes into contact with the adsorbent, and moisture is desorbed from the adsorbent.
- Second adsorption heat exchanger (32) Force The desorbed moisture is discharged outside with the air.
- the suction operation of (32) is performed in parallel.
- the first solenoid valve (61) is closed, and the second solenoid valve (62) is opened. In this state, the compressor
- the refrigerant that has also been discharged is condensed in the outdoor heat exchange (21) and decompressed by the electric expansion valve (40), and then the indoor heat exchanger (22) and the second adsorption heat exchanger (32) Evaporates while passing through the compressor, and is sucked into the compressor (20) to be compressed. At this time, the flow of the refrigerant into the first adsorption heat exchange (31) is blocked by the first solenoid valve (61).
- the outdoor air that has absorbed heat from the refrigerant in the outdoor heat exchanger (21) is discharged to the outside, and the indoor air cooled by the indoor heat exchange (22) is returned to the room. It is.
- the second adsorption heat exchanger (32) the moisture in the indoor air is adsorbed by the adsorbent to dehumidify the indoor air, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the room air dehumidified by the second adsorption heat exchange (32) is returned to the room.
- first adsorption heat exchanger In the first adsorption heat exchanger (31), room air having a relatively low absolute humidity comes into contact with the adsorbent, and moisture is desorbed from the adsorbent. First adsorption heat exchange (31) Force The desorbed moisture is discharged outside with the air.
- the four-way switching valve (50) is set to the second state, the opening of the electric expansion valve (40) is appropriately adjusted, and the indoor heat exchanger (22) is connected to the condenser. Become an outdoor heat exchanger
- the second adsorption heat exchange (32) becomes a condenser and the first adsorption heat exchange (31) pauses are alternately repeated.
- the outdoor air is supplied to the outdoor heat exchanger (21), and the indoor air is transmitted to the indoor heat exchange (22) and the first and second adsorption heat exchanges (31, 32). Is supplied. Then, while the air passing through the indoor heat exchange (22) is continuously supplied to the room, the air passing through the first adsorption heat exchange (31) and the air passing through the second adsorption heat exchange (32) are It is supplied to the room alternately.
- the suction operation of (32) is performed in parallel.
- the first solenoid valve (61) is opened, and the second solenoid valve (62) is closed.
- the refrigerant discharged by the compressor (20) is condensed while passing through the first adsorption heat exchange (31) and the indoor heat exchange (22) in order, and then is condensed by the electric expansion valve (40).
- the pressure is reduced and the oil is evaporated by the outdoor heat exchange (21), and is sucked into the compressor (20) and compressed.
- the flow of the refrigerant into the second adsorption heat exchange (32) is blocked by the second solenoid valve (62).
- the outdoor air that has radiated heat to the refrigerant in the outdoor heat exchanger (21) is exhausted outside, and the indoor air heated in the indoor heat exchanger (22) is returned to the room.
- the first adsorption heat exchanger (31) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to the air.
- the room air humidified by the first adsorption heat exchanger (31) is returned to the room.
- the second adsorption heat exchanger (32) the room air comes into contact with the adsorbent, and the moisture in the room air is adsorbed by the adsorbent.
- the indoor air deprived of moisture by the second adsorption heat exchanger (32) is discharged outside the room.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger (31) are performed.
- the reproduction operation of (32) is performed in parallel.
- the first solenoid valve (61) is closed, and the second solenoid valve (62) is opened.
- the refrigerant discharged from the compressor (20) condenses while passing through the second adsorption heat exchange (32) and the indoor heat exchange (22) in that order, and is then depressurized by the electric expansion valve (40).
- the water is evaporated by the outdoor heat exchange (21) and is sucked into the compressor (20) to be compressed.
- the flow of the refrigerant into the first adsorption heat exchange (31) is blocked by the first solenoid valve (61).
- the outdoor air radiated to the refrigerant in the outdoor heat exchanger (21) is discharged outside, and the indoor air heated in the indoor heat exchanger (22) is returned to the room. It is.
- the indoor air deprived of moisture by the first adsorption heat exchanger (31) is discharged outside the room.
- the second adsorption heat exchanger (32) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is provided to the air.
- the indoor air humidified by the second adsorption heat exchanger (32) is returned to the room.
- a bypass passage (13) may be provided in the refrigerant circuit (10).
- One end of the bypass passage (13) is connected to the indoor heat exchange (22), and the other end is connected to the fourth port of the four-way switching valve (50).
- a third solenoid valve (63) is provided in the bypass passage (13). If dehumidification or humidification of the room is not required, the first solenoid valve (61) and the second solenoid valve (62) are closed and the third solenoid valve (63) is opened, and the first adsorption heat exchange (31) And the second heat exchange (32) are stopped.
- the cooling operation only the air cooled by the indoor heat exchanger (22) is supplied to the room, and during the heating operation, only the air heated by the indoor heat exchanger (22) is supplied to the room .
- the positions of the outdoor heat exchange (21) and the indoor heat exchange (22) in the refrigerant circuit (10) may be switched! That is, in the refrigerant circuit (10) of the present modification, the indoor heat exchanger (22) has one end connected to the third port of the four-way switching valve (50) and the other end connected to the electric expansion valve (40). Each is connected to one end of the outdoor heat exchanger (21). The other end of the outdoor heat exchanger (21) is connected to both the first solenoid valve (61) and the second solenoid valve (62).
- the four-way switching valve (50) is set to the second state, the opening of the electric expansion valve (40) is appropriately adjusted, and the outdoor heat exchanger (21) is connected to the condenser. Then, the indoor heat exchanger (22) becomes an evaporator. Further, the first operation in which the first adsorption heat exchanger (31) becomes a condenser and the second adsorption heat exchanger (32) stops, and the first operation in which the second adsorption heat exchanger (32) becomes a condenser. The second operation in which the adsorption heat exchange (31) is stopped is alternately repeated.
- the outdoor air is supplied to the outdoor heat exchanger (21), and the indoor air is transmitted to the indoor heat exchange (22) and the first and second adsorption heat exchanges (31, 32). Is supplied. Then, while the air passing through the indoor heat exchange (22) is continuously supplied to the room, the air passing through the first adsorption heat exchange (31) and the air passing through the second adsorption heat exchange (32) are It is supplied to the room alternately.
- the suction operation of (32) is performed in parallel.
- the first solenoid valve (61) is opened, and the second solenoid valve (62) is closed.
- the refrigerant discharged from the compressor (20) is condensed while passing through the first adsorption heat exchange (31) and the outdoor heat exchange (21) in order, and thereafter, the electric expansion valve (40) ), Evaporates in the power indoor heat exchange (22), and is sucked into the compressor (20) and compressed.
- the flow of the refrigerant into the second adsorption heat exchange (32) is blocked by the second solenoid valve (62).
- the outdoor air that has absorbed the refrigerant power in the outdoor heat exchanger (21) is discharged to the outside, and the indoor air cooled by the indoor heat exchange (22) is returned to the room.
- the first adsorption heat exchanger (31) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is discharged outside with the air.
- the second adsorption heat exchange (32) room air comes into contact with the adsorbent, and the moisture in the room air is adsorbed by the adsorbent.
- the room air dehumidified by the second adsorption heat exchanger (32) is returned to the room.
- the reproduction operation of (32) is performed in parallel.
- the first solenoid valve (61) is closed, and the second solenoid valve (62) is opened.
- the refrigerant discharged from the compressor (20) is condensed while passing through the second adsorption heat exchange (32) and the outdoor heat exchange (21) in that order, and then decompressed by the electric expansion valve (40). Is evaporated in the heat exchange room (22) It is sucked into the compressor (20) and compressed. At that time, the flow of the refrigerant into the first adsorption heat exchange (31) is blocked by the first solenoid valve (61).
- the outdoor air that has absorbed heat from the refrigerant in the outdoor heat exchanger (21) is discharged outside, and the indoor air cooled by the indoor heat exchange (22) is sent back to the room. It is.
- the first adsorption heat exchange (31) the room air comes into contact with the adsorbent, and the moisture in the room air is adsorbed by the adsorbent.
- the room air dehumidified by the first adsorption heat exchanger (31) is sent back to the room.
- the second adsorption heat exchanger (32) water is desorbed from the adsorbent heated by the refrigerant, and the desorbed water is discharged outside the room together with air.
- the four-way switching valve (50) is set to the first state, the opening of the electric expansion valve (40) is appropriately adjusted, and the indoor heat exchanger (22) is connected to the condenser. Then, the outdoor heat exchanger (21) becomes an evaporator.
- the second operation in which the adsorption heat exchange (31) is stopped is alternately repeated.
- the outdoor air is supplied to the outdoor heat exchanger (21), and the indoor air is transmitted to the indoor heat exchange (22) and the first and second adsorption heat exchanges (31, 32). Is supplied. Then, while the air passing through the indoor heat exchange (22) is continuously supplied to the room, the air passing through the first adsorption heat exchange (31) and the air passing through the second adsorption heat exchange (32) are It is supplied to the room alternately.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the reproduction operation of (32) is performed in parallel.
- the first solenoid valve (61) is opened, and the second solenoid valve (62) is closed.
- the refrigerant discharged from the compressor (20) is condensed by the indoor heat exchange (22) and decompressed by the force-operated expansion valve (40), and then the first heat adsorbed by the outdoor heat exchanger (21). It evaporates while passing through the heat exchanger (31) in order, and is sucked into the compressor (20) and compressed.
- the flow of the refrigerant into the second adsorption heat exchange (32) is blocked by the second solenoid valve (62).
- the outdoor air radiated to the refrigerant in the outdoor heat exchanger (21) is And the room air heated by the indoor heat exchanger (22) is returned to the room.
- the first adsorption heat exchanger (31) moisture in the indoor air is adsorbed by the adsorbent, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the indoor air deprived of moisture by the first adsorption heat exchanger (31) is discharged outside the room.
- the second adsorption heat exchange (32) room air having a relatively low absolute humidity comes into contact with the adsorbent, and moisture desorbed from the adsorbent is given to the room air.
- the room air humidified by the second adsorption heat exchange (32) is sent back to the room.
- the suction operation of (32) is performed in parallel.
- the first solenoid valve (61) is closed, and the second solenoid valve (62) is opened.
- the refrigerant discharged from the compressor (20) is condensed by the indoor heat exchange (22) and decompressed by the force-operated expansion valve (40), and then the outdoor heat exchanger (21) and the second adsorbent. It evaporates while passing through the heat exchanger (32) in sequence, and is sucked into the compressor (20) and compressed.
- the flow of the refrigerant into the first adsorption heat exchange (31) is blocked by the first solenoid valve (61).
- the outdoor air radiated to the refrigerant in the outdoor heat exchanger (21) is discharged outside, and the indoor air heated in the indoor heat exchanger (22) is returned to the room. It is.
- the second adsorption heat exchanger (32) moisture in the room air is adsorbed by the adsorbent, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the indoor air deprived of moisture by the second adsorption heat exchanger (32) is discharged outside the room.
- the first adsorption heat exchange (31) room air having a relatively low absolute humidity comes into contact with the adsorbent, and moisture desorbed from the adsorbent is given to the room air.
- the indoor air humidified by the first adsorption heat exchange (31) is returned to the room.
- Embodiment 16 of the invention will be described.
- the air-conditioning apparatus of the present embodiment is obtained by changing the configuration of the refrigerant circuit (10) in the air-conditioning apparatus of Embodiment 15 described above.
- the refrigerant circuit (10) is provided with one compressor (20), one electric expansion valve (40), and one four-way switching valve (50). Two valves (61, 62) are provided.
- one outdoor heat exchanger (21) and one indoor heat exchanger (22) are provided, and two adsorption heat exchanges (31, 32) are provided.
- the outdoor heat exchanger (21) connects the heat source side heat exchanger with the indoor heat exchanger (22) and the first and second adsorption heat exchangers.
- the translation (31, 32) constitutes the user-side heat exchange.
- the outdoor heat exchange (21), the indoor heat exchanger (22), and the adsorption heat exchangers (31, 32) are each configured in the same manner as in the fifteenth embodiment.
- the compressor (20) has a discharge side connected to a first port of the four-way switching valve (50), and a suction side connected to a second port of the four-way switching valve (50).
- the third port of the four-way switching valve (50) is connected to one end of the outdoor heat exchanger (21).
- the other end of the outdoor heat exchange (21) is connected to one end of the first adsorption heat exchange (31) and one end of the second adsorption heat exchange (32) via the electric expansion valve (40).
- the other end of the first adsorption heat exchanger (31) is connected via a first solenoid valve (61), and the other end of the second adsorption heat exchanger (32) is connected via a second solenoid valve (62).
- first solenoid valve 61
- second solenoid valve 62
- the other end of the indoor heat exchanger (22) is connected to the fourth port of the four-way switching valve (50).
- the four-way switching valve (50) is in a first state where the first port and the third port are in communication with each other and the second port and the fourth port are in communication with each other (the state shown in Fig. 38). The state is switched to a second state (a state shown in FIG. 39) in which the first port and the fourth port communicate with each other and the second port and the third port communicate with each other.
- a dehumidifying cooling operation and a humidifying heating operation are performed.
- the four-way switching valve (50) is set to the first state, the opening of the electric expansion valve (40) is appropriately adjusted, and the outdoor heat exchanger (21) is connected to the condenser. Then, the indoor heat exchanger (22) becomes an evaporator.
- the first operation in which the first adsorption heat exchanger (31) becomes an evaporator and the second adsorption heat exchanger (32) is stopped, and the second adsorption heat exchanger (32) is operated in the second circuit (12).
- the second operation in which the first adsorption heat exchange (31) is stopped as an evaporator is alternately repeated.
- the flow of air during the first operation is the same as the flow during the first operation of the dehumidifying and cooling operation in the fifteenth embodiment.
- the flow of the air during the second operation is the same as the flow during the second operation of the dehumidifying cooling operation in the fifteenth embodiment.
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the reproduction operation of (32) is performed in parallel.
- the first solenoid valve (61) is opened and the second solenoid valve (62) is closed.
- the refrigerant discharged from the compressor (20) is condensed by the outdoor heat exchange (21) and decompressed by the power electric expansion valve (40). It evaporates while passing through the heat exchanger (22) in order, and is sucked into the compressor (20) and compressed.
- the flow of the refrigerant into the second adsorption heat exchange (32) is blocked by the second solenoid valve (62).
- the suction operation of (32) is performed in parallel.
- the first solenoid valve (61) is closed, and the second solenoid valve (62) is opened. In this state, the compressor
- the refrigerant that has also been discharged is condensed by the outdoor heat exchange (21) and decompressed by the electric expansion valve (40), and then the second adsorption heat exchanger (32) and the indoor heat exchanger (22) Evaporates while passing through the compressor, and is sucked into the compressor (20) to be compressed. At this time, the flow of the refrigerant into the first adsorption heat exchange (31) is blocked by the first solenoid valve (61).
- the room air cooled by the indoor heat exchanger (22) was supplied to the room and dehumidified by the first adsorption heat exchange (31) during the first operation.
- the room air and the room air dehumidified by the second adsorption heat exchanger (32) in the second operation are alternately supplied to the room.
- the four-way switching valve (50) is set to the second state, the opening of the electric expansion valve (40) is appropriately adjusted, and the indoor heat exchanger (22) is connected to the condenser. Become an outdoor heat exchanger
- the flow of air during the first operation is the same as the flow during the first operation of the humidifying and heating operation in the fifteenth embodiment.
- the flow of air during the second operation is the same as the flow during the second operation of the humidifying and heating operation in the fifteenth embodiment.
- the regeneration operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger (31) are performed.
- the suction operation of (32) is performed in parallel.
- the first solenoid valve (61) is opened and the second solenoid valve (62) is closed.
- the refrigerant discharged from the compressor (20) is condensed while passing through the indoor heat exchange (22) and the first adsorption heat exchange (31) in order, and then is condensed by the electric expansion valve (40).
- the pressure is reduced and the oil is evaporated by the outdoor heat exchange (21), and is sucked into the compressor (20) and compressed.
- the flow of the refrigerant into the second adsorption heat exchange (32) is blocked by the second solenoid valve (62).
- the adsorption operation of the first adsorption heat exchanger (31) and the second adsorption heat exchanger are performed.
- the reproduction operation of (32) is performed in parallel.
- the first solenoid valve (61) is closed, and the second solenoid valve (62) is opened.
- the refrigerant discharged from the compressor (20) condenses while passing through the indoor heat exchange (22) and the second adsorption heat exchange (32) in that order, and is then depressurized by the electric expansion valve (40).
- the water is evaporated by the outdoor heat exchange (21) and is sucked into the compressor (20) to be compressed.
- the flow of the refrigerant into the first adsorption heat exchange (31) is blocked by the first solenoid valve (61).
- the room air heated by the indoor heat exchanger (22) was supplied to the room and humidified by the first adsorption heat exchange (31) during the first operation.
- the room air and the room air humidified by the second adsorption heat exchange (32) during the second operation are alternately supplied to the room.
- the air conditioner of the above embodiment may have the following configuration.
- the electric expansion valve (80) is used instead of the cavity tube (43) and the solenoid valve (60). May be provided.
- the electric expansion valve (80) is arranged between the indoor heat exchange (22) and the adsorption heat exchange (30).
- the outdoor heat exchange (21) becomes a condenser.
- Indoor heat exchange (22) becomes the evaporator.
- the adsorption heat exchange (30) is switched between a state of becoming an evaporator and a state of becoming a condenser by adjusting the opening of the two electric expansion valves (40, 80).
- the adsorption heat exchange (30) and the indoor heat exchange (22) become evaporators, and the refrigerant is slightly depressurized by the electric expansion valve (80), the adsorption heat exchanger ( The refrigerant evaporation temperature in indoor heat exchange (22) is set lower than the refrigerant evaporation temperature in 30). Then, the balance between the amount of heat absorbed by the refrigerant in the indoor heat exchanger (22) and the amount of heat absorbed by the refrigerant in the adsorption heat exchanger (30) is adjusted. On the other hand, in the state where the outdoor heat exchange (21) and the adsorption heat exchange (30) are connected to the condenser, if the refrigerant is slightly depressurized by the electric expansion valve (40), the outdoor heat exchanger (
- the refrigerant condensation temperature in the adsorption heat exchanger (30) is set lower than the refrigerant condensation temperature in 21). Then, the balance between the heat radiation amount of the refrigerant in the outdoor heat exchanger (21) and the heat radiation amount of the refrigerant in the adsorption heat exchanger (30) is adjusted.
- the amounts of heat absorbed by the refrigerant in the adsorption heat exchange (30) serving as the evaporator and the indoor heat exchange (22) can be adjusted, and the adsorption heat exchange serving as the condenser can be adjusted.
- the amount of heat released from the refrigerant in the heat exchanger (30) and the outdoor heat exchanger (21) can be adjusted. Therefore, in the air conditioner of the present modification, the balance between the cooling capacity and the dehumidifying capacity can be changed.
- the indoor heat exchanger (22) functions as a condenser
- the outdoor heat exchanger (21) functions as an evaporator.
- the adsorption heat exchanger (30) switches between a state of becoming an evaporator and a state of becoming a condenser by adjusting the opening of the two electric expansion valves (40, 80).
- the adsorption heat exchange (30) and the outdoor heat exchange (21) become evaporators, and the refrigerant is slightly depressurized by the electric expansion valve (40), the adsorption heat exchanger ( The refrigerant evaporation temperature in the outdoor heat exchanger (21) is set lower than the refrigerant evaporation temperature in 30). Then, the balance between the amount of heat absorbed by the refrigerant in the outdoor heat exchanger (21) and the amount of heat absorbed by the refrigerant in the adsorption heat exchanger (30) is adjusted. On the other hand, in a state where the indoor heat exchange (22) and the adsorption heat exchange (30) are connected to the condenser, if the refrigerant is slightly decompressed by the electric expansion valve (80), the indoor heat exchanger (
- the refrigerant condensation temperature in the adsorption heat exchanger (30) is set lower than the refrigerant condensation temperature in It is. Then, the balance between the heat radiation amount of the refrigerant in the indoor heat exchanger (22) and the heat radiation amount of the refrigerant in the adsorption heat exchanger (30) is adjusted.
- the heat radiation amount of the refrigerant in the adsorption heat exchange (30) serving as the condenser and the indoor heat exchange (22) can be adjusted respectively, and the adsorption heat exchange serving as the evaporator can be adjusted.
- the amount of heat absorbed by the refrigerant in the heat exchanger (30) and the outdoor heat exchanger (21) can be adjusted. Therefore, in the air conditioner of the present modification, the balance between the heating capacity and the humidification capacity can be changed.
- two auxiliary electro-expansion valves may be added to the refrigerant circuit (10).
- the first auxiliary electric expansion valve (81) is arranged between the first port of the second four-way switching valve (52) and the outdoor heat exchanger (21).
- the second auxiliary electric expansion valve (82) is arranged between the second port of the second four-way switching valve (52) and the indoor heat exchange (22).
- the refrigerant evaporation temperature in the indoor heat exchanger (22) is set lower than the refrigerant evaporation temperature in 32). Even when the first adsorption heat exchanger (31) is replaced by an evaporator instead of the second adsorption heat exchanger (32), the second auxiliary electric expansion valve (82) slightly reduces the pressure of the refrigerant, thereby reducing the second adsorption heat exchanger (31). The refrigerant evaporation temperature in the indoor heat exchanger (22) is set lower than the refrigerant evaporation temperature in the heat exchange (32).
- the refrigerant is slightly depressurized by the first auxiliary electric expansion valve (81).
- the refrigerant condensation temperature in the first adsorption heat exchanger (31) is set lower than the refrigerant condensation temperature in the outdoor heat exchanger (21).
- the outdoor auxiliary heat expansion valve (81) slightly reduces the pressure of the refrigerant to reduce the outdoor heat.
- the refrigerant condensation temperature in the second adsorption heat exchanger (32) is set lower than the refrigerant condensation temperature in the exchange (21).
- the refrigerant evaporation temperature of each of the adsorption heat exchange (31, 32) and the indoor heat exchanger (22) serving as the evaporator is set to different values. This makes it possible to adjust the amount of heat absorbed by the refrigerant in each case. Also, by setting the refrigerant condensation temperature of each of the adsorption heat exchanger (30) and the outdoor heat exchanger (21), which are condensers, to different values, the amount of heat released by the refrigerant can be adjusted. Become. Therefore, in the air conditioner of the present modification, the balance between the cooling capacity and the dehumidifying capacity can be changed.
- the refrigerant evaporation temperature in the outdoor heat exchanger (21) is set lower than the refrigerant evaporation temperature in 32). Even when the first adsorption heat exchanger (31) is replaced by an evaporator instead of the second adsorption heat exchanger (32), the first auxiliary electric expansion valve (81) slightly reduces the pressure of the refrigerant, thereby reducing the first adsorption heat.
- the refrigerant evaporation temperature in the outdoor heat exchanger (21) is set lower than the refrigerant evaporation temperature in the heat exchange (31).
- the indoor heat exchange (22) and the first adsorption heat exchange (31) are condensers, if the refrigerant is slightly decompressed by the second auxiliary electric expansion valve (82), the indoor heat exchange can be performed.
- the refrigerant condensation temperature in the first adsorption heat exchanger (31) is set lower than the refrigerant condensation temperature in the heat exchanger (22).
- the second auxiliary electric expansion valve (82) slightly reduces the pressure of the refrigerant, thereby improving indoor heat.
- the refrigerant condensing temperature in the second adsorption heat exchanger (32) is set lower than the refrigerant condensing temperature in.
- the refrigerant condensing temperature of each of the adsorption heat exchange (31, 32) serving as a condenser and the indoor heat exchanger (22) is set to a different value. This makes it possible to adjust the heat radiation amount of the refrigerant in each case. Also, by setting the refrigerant evaporation temperature of each of the adsorption heat exchanger (30) and the outdoor heat exchanger (21), which are evaporators, to different values, it is possible to adjust the amount of heat absorbed by the refrigerant in each. Become. Therefore, in the air conditioner of the present modification, the balance between the heating capacity and the humidification capacity can be changed.
- two auxiliary electro-expansion valves may be added to the refrigerant circuit (10).
- the first auxiliary electric expansion valve (81) is arranged between the first port of the second four-way switching valve (52) and the first adsorption heat exchanger (31).
- the second auxiliary electric expansion valve (82) is disposed between the second port of the second four-way switching valve (52) and the second adsorption heat exchange (32).
- the indoor heat exchanger (22) and the second adsorption heat exchanger (32) are evaporators
- the indoor The refrigerant evaporation temperature in the second adsorption heat exchanger (32) is set lower than the refrigerant evaporation temperature in the heat exchanger (22).
- the first auxiliary electric expansion valve (81) slightly reduces the pressure of the refrigerant, thereby allowing indoor heat exchange.
- the refrigerant evaporation temperature in the first adsorption heat exchanger (31) is set lower than the refrigerant evaporation temperature in the inversion (22).
- the first adsorption heat exchange (31) and the outdoor heat exchange (21) become a condenser. If the refrigerant is slightly decompressed by the first auxiliary electric expansion valve (81), the refrigerant condensing temperature in the outdoor heat exchanger (21) is lower than the refrigerant condensing temperature in the first adsorption heat exchange (31). Set low.
- the second adsorption heat exchanger (32) becomes a condenser instead of the first adsorption heat exchanger (31)
- the second auxiliary electric expansion valve (82) slightly depressurizes the refrigerant
- the refrigerant condensation temperature in the outdoor heat exchanger (21) is set lower than the refrigerant condensation temperature in the adsorption heat exchange (32).
- the refrigerant evaporation temperatures of the adsorption heat exchange (31, 32) and the indoor heat exchanger (22), which are evaporators are set to different values. This makes it possible to adjust the amount of heat absorbed by the refrigerant in each case. Also, by setting the refrigerant condensation temperature of each of the adsorption heat exchanger (30) and the outdoor heat exchanger (21), which are condensers, to different values, the amount of heat released by the refrigerant can be adjusted. Become. Therefore, in the air conditioner of the present modification, the balance between the cooling capacity and the dehumidifying capacity can be changed.
- the indoor heat exchanger (22) functions as a condenser
- the outdoor heat exchanger (21) functions as an evaporator.
- the second operation in which 32) becomes a condenser and the first adsorption heat exchanger (31) becomes an evaporator is alternately repeated.
- the figure shows a state during the first operation.
- the outdoor heat exchanger (21) and the second adsorption heat exchanger (32) are evaporators
- the outdoor The refrigerant evaporation temperature in the second adsorption heat exchanger (32) is set lower than the refrigerant evaporation temperature in the heat exchanger (21).
- the first auxiliary electric expansion valve (81) slightly reduces the pressure of the refrigerant, so that outdoor heat exchange is performed.
- the refrigerant evaporation temperature in the first adsorption heat exchanger (31) is set lower than the refrigerant evaporation temperature in (21).
- the second auxiliary electric expansion valve (82) slightly depressurizes the refrigerant, The refrigerant condensation temperature in the indoor heat exchanger (22) is set lower than the refrigerant condensation temperature in the adsorption heat exchange (32).
- the refrigerant condensing temperature of each of the adsorption heat exchange (31, 32) and the indoor heat exchanger (22) serving as the condenser is set to different values. This makes it possible to adjust the heat radiation amount of the refrigerant in each case. Also, by setting the refrigerant evaporation temperature of each of the adsorption heat exchanger (30) and the outdoor heat exchanger (21), which are evaporators, to different values, it is possible to adjust the amount of heat absorbed by the refrigerant in each. Become. Therefore, in the air conditioner of the present modification, the balance between the heating capacity and the humidification capacity can be changed.
- one auxiliary electric expansion valve may be added to the refrigerant circuit (10).
- an auxiliary electric expansion valve (82) is arranged between the suction side of the compressor (20) and the first four-way switching valve (51) in the refrigerant circuit (10). You can.
- the outdoor heat exchange (21) becomes a condenser
- the indoor heat exchange (22) becomes an evaporator.
- the second operation in which (32) becomes a condenser and the first adsorption heat exchanger (31) becomes an evaporator is alternately repeated.
- the figure shows a state during the first operation.
- the auxiliary electric expansion valve (82) slightly reduces the pressure of the refrigerant.
- the refrigerant evaporation temperature in the indoor heat exchanger (22) is set higher than the refrigerant evaporation temperature in the adsorption heat exchanger (32).
- the auxiliary electric expansion valve (82) slightly reduces the pressure of the refrigerant, so that the first adsorption heat
- the refrigerant evaporation temperature in the indoor heat exchanger (22) is set higher than the refrigerant evaporation temperature in the exchanger (31).
- the adsorption heat exchange (31, 32) serving as the evaporator is not connected to the room.
- the refrigerant evaporation temperature of each of the internal heat exchangers (22) is set to a different value, the amount of heat absorbed by the refrigerant can be adjusted. Therefore, in the air conditioner of the present modification, the balance between the cooling capacity and the dehumidifying capacity can be changed.
- the indoor heat exchanger (22) functions as a condenser
- the outdoor heat exchanger (21) functions as an evaporator.
- the second operation in which 32) becomes a condenser and the first adsorption heat exchanger (31) becomes an evaporator is alternately repeated.
- the figure shows a state during the first operation.
- the outdoor heat exchange (21) and the second adsorption heat exchange (32) become evaporators!
- the refrigerant evaporation temperature in the outdoor heat exchanger (21) is set higher than the refrigerant evaporation temperature in the second adsorption heat exchanger (32).
- the auxiliary electric expansion valve (82) slightly reduces the pressure of the refrigerant, so that the first adsorption heat
- the refrigerant evaporation temperature in the outdoor heat exchanger (21) is set higher than the refrigerant evaporation temperature in the exchanger (31).
- the refrigerant evaporation temperature of each of the adsorption heat exchange (31, 32) serving as the evaporator and the indoor heat exchanger (22) is set to a different value. This makes it possible to adjust the amount of heat absorbed by the refrigerant in each case. Therefore, in the air conditioner of this modified example, the amount of heat absorbed by the refrigerant in the refrigeration cycle and the amount of water absorbed by the adsorption heat exchanger (30) can be adjusted, and as a result, the balance between the heating capacity and the humidification capacity can be changed.
- an auxiliary electric expansion valve (81) may be arranged between the suction side of the compressor (20) and the second four-way switching valve (52) in the refrigerant circuit (10).
- Yo When the refrigerant is slightly depressurized by the auxiliary electric expansion valve (81) in a state where the indoor heat exchanger (22) is an evaporator, compared with the refrigerant evaporation temperature in the indoor heat exchanger (22), The refrigerant evaporation temperature in the adsorption heat exchanger (31, 32) is set higher.
- the two auxiliary electric expansion valves (81, 82) may be added to the refrigerant circuit (10).
- a first auxiliary electric expansion valve (81) is arranged between the suction side of the compressor (20) and the second four-way switching valve (52).
- a second auxiliary electric expansion valve (82) is arranged between the suction side of the compressor (20) and the first four-way switching valve (51).
- the indoor heat exchanger (22) is an evaporator.
- the opening of the first auxiliary electric expansion valve (81) is set to be larger than the opening of the second auxiliary electric expansion valve (82)
- the adsorption heat exchange ( The refrigerant evaporation temperature at 31, 32) is set lower than the refrigerant evaporation temperature at the indoor heat exchanger (22).
- the opening of the first auxiliary electric expansion valve (81) is set smaller than the opening of the second auxiliary electric expansion valve (82) in this state,
- the refrigerant evaporation temperature in the adsorption heat exchange (31, 32) is set higher than the refrigerant evaporation temperature in the indoor heat exchanger (22).
- outdoor heat exchange (21) is an evaporator.
- the opening of the first auxiliary electric expansion valve (81) is set to be larger than the opening of the second auxiliary electric expansion valve (82)
- the adsorption heat exchange (31, The refrigerant evaporation temperature in 32) is set lower than the refrigerant evaporation temperature in outdoor heat exchange (21).
- the opening of the first auxiliary electric expansion valve (81) is set smaller than the opening of the second auxiliary electric expansion valve (82) in this state, the adsorption heat of the evaporator will be reduced.
- the refrigerant evaporation temperature at the intersections (31, 32) is set higher than the refrigerant evaporation temperature at the outdoor heat exchanger (21).
- a third auxiliary electric expansion valve (83) and a fourth auxiliary electric expansion valve (84) may be further added to the refrigerant circuit (10).
- the third auxiliary electric expansion valve (83) is arranged between the discharge side of the compressor (20) and the second four-way switching valve (52).
- the fourth auxiliary electric expansion valve (84) is connected to the discharge side of the compressor (20). It is arranged between the first four-way switching valve (51).
- the adsorption heat exchanger (31, 32) can be used. It is possible to set both the refrigerant condensation temperature higher and lower than the refrigerant condensation temperature in the outdoor heat exchanger (21) or the indoor heat exchanger (22). In other words, when the opening of the third auxiliary electric expansion valve (83) is set to be larger than the opening of the fourth auxiliary electric expansion valve (84), the refrigerant in the adsorption heat exchanger (31, 32) The condensation temperature is set higher than the refrigerant condensation temperature in the outdoor heat exchanger (21) or the indoor heat exchanger (22).
- the opening of the third auxiliary electric expansion valve (83) is set smaller than the opening of the fourth auxiliary electric expansion valve (84)
- the refrigerant condensation in the adsorption heat exchanger (31, 32) The temperature is set lower than the refrigerant condensation temperature in the outdoor heat exchanger (21) or the indoor heat exchanger (22).
- the refrigerant in the adsorption heat exchanger (30) and the outdoor heat exchanger (21) becomes a condenser.
- the heat radiation amount of the refrigerant in each can be adjusted. Therefore, in the air conditioner of this modified example, the amount of heat released by the refrigerant and the amount of regeneration of adsorption heat exchange (30) in the refrigeration cycle can be adjusted, and as a result, the balance between the cooling capacity and the dehumidifying capacity can be changed.
- the adsorption heat exchange (31, 32) and the indoor heat exchange (22), which are the condenser, are not By setting the refrigerant condensing temperatures to different values, the amount of heat release of the refrigerant in each can be adjusted. Therefore, in the air conditioner of the present modification, the balance between the heating capacity and the humidification capacity can be changed.
- the electric expansion valve (80) may be added to the refrigerant circuit (10).
- the electric expansion valve (80) is disposed between the first solenoid valve (61) and the second solenoid valve (62) and the indoor heat exchange (22).
- the outdoor heat exchanger (21) becomes a condenser, and the indoor heat exchange (22) becomes an evaporator.
- the first adsorption heat exchange ⁇ ( (31) becomes the evaporator and the second adsorption heat exchanger (32) stops, the first operation, and the second adsorption heat exchanger (32) becomes the evaporator and the first adsorption heat exchanger (31) stops.
- the second operation is alternately repeated.
- the figure shows a state during the first operation.
- the first adsorption heat exchange when the refrigerant is slightly depressurized by the electric expansion valve (80) in a state where the first adsorption heat exchange (31) and the indoor heat exchange (22) are evaporators, the first adsorption heat exchange The refrigerant evaporation temperature in the indoor heat exchanger (22) is set lower than the refrigerant evaporation temperature in the exchanger (31). Even when the second adsorption heat exchanger (32) becomes an evaporator instead of the first adsorption heat exchanger (31), the second expansion heat exchange is performed by slightly depressurizing the refrigerant with the electric expansion valve (80). The refrigerant evaporation temperature in the indoor heat exchanger (22) is set lower than the refrigerant evaporation temperature in the heat exchanger (32).
- the refrigerant evaporation temperatures of the adsorption heat exchange (31, 32) and the indoor heat exchanger (22), which are evaporators, are set to different values. This makes it possible to adjust the amount of heat absorbed by the refrigerant in each case. Therefore, in the air conditioner of the present modification, the balance between the cooling capacity and the dehumidifying capacity can be changed.
- the indoor heat exchanger (22) functions as a condenser
- the outdoor heat exchanger (21) functions as an evaporator.
- the first operation in which the first adsorption heat exchanger (31) becomes a condenser and the second adsorption heat exchanger (32) is stopped, and the second operation in the second circuit (12).
- the second operation in which the adsorption heat exchanger (32) becomes a condenser and the first adsorption heat exchanger (31) is stopped is alternately repeated.
- the figure shows a state during the first operation.
- the indoor heat exchanger (22) and the first adsorption heat exchange (31) are condensers, if the refrigerant is slightly depressurized by the electric expansion valve (80), the indoor heat exchanger (22) The condensation temperature of the refrigerant in the first adsorption heat exchanger (31) is set lower than the condensation temperature of the refrigerant in (1). Even when the second adsorption heat exchanger (32) becomes a condenser in place of the first adsorption heat exchanger (31), the indoor expansion of the indoor heat exchanger ( The refrigerant condensation temperature in the second adsorption heat exchanger (32) is set lower than the refrigerant condensation temperature in 22).
- the air conditioner of each of the above embodiments may be provided with a heat exchange element (90).
- a description will be given of an air conditioner of the eighth embodiment, in which a heat exchange element (90) is added, with reference to FIG. 53 and FIG.
- the heat exchange element (90) is constituted by a rotor-type sensible heat exchanger. This heat exchange element (90) is formed in a slightly thick disk shape, and is driven to rotate around its central axis. The heat exchange element (90) is installed such that the first air passes through a part thereof and the second air passes through the remaining part, and causes heat exchange between the first air and the second air.
- the high temperature! Outdoor air (OA) is supplied as the first air to the heat exchange element (90), and the temperature is low!
- room air (RA) is supplied as the second air (see FIG. 53).
- heat exchange element (90) heat exchange is performed between the first air (outdoor air) and the second air (indoor air), whereby the first air is cooled and the second air is heated.
- the first air cooled by the heat exchange element (90) is sent to the outdoor heat exchanger (21).
- the second air heated by the heat exchange element (90) is sent as regeneration air to the adsorption heat exchange (31, 32) which is the condenser.
- this first air is sent to the first adsorption heat exchanger (31) during the first operation (see FIG. Sent to the vessel (32) (see Fig. (B)).
- the second air as the regeneration air is preliminarily heated by the heat exchange element (90), so that the adsorbent can be efficiently regenerated. Therefore, The amount of water adsorbed on the adsorption heat exchange (31, 32) can be increased, and the dehumidifying capacity of the air conditioner can be increased.
- the first air which is the air for adsorption, is preliminarily cooled by the heat exchange element (90), so that the adsorbent can efficiently adsorb moisture. Therefore, the amount of water desorbed from the adsorption heat exchange (31, 32) and given to the air can be increased, and the humidifying capacity of the air conditioner can be increased.
- the air conditioner of each of the above embodiments may be provided with an adsorption rotor (95) as a latent heat treatment element.
- an air conditioner of the eighth embodiment in which an adsorption rotor (95) is added, with reference to FIGS. 55 and 56.
- FIG. 95 a description will be given of an air conditioner of the eighth embodiment in which an adsorption rotor (95) is added, with reference to FIGS. 55 and 56.
- the suction rotor (95) is formed in a slightly thick disk shape, and is rotated around its central axis.
- An adsorbent such as zeolite is carried on the surface of the adsorption rotor (95).
- the adsorption rotor (95) is installed so that the air for adsorption passes through a part thereof and the air for regeneration passes through the remaining part. Then, the adsorption rotor (95) brings the passing air into contact with the adsorbent, and exchanges moisture with the air.
- a part of the taken indoor air is sent as adsorption air to the adsorption heat exchange (31, 32), which is an evaporator, and the remaining indoor air is sent to the evaporator. It is sent as regeneration air to the adsorption heat exchanger (31, 32), which is the condenser.
- the adsorption air before being sent to the adsorption heat exchanger (31, 32) and the regeneration air that has passed through the adsorption heat exchange (31, 32) are supplied to the adsorption rotor (95). .
- the adsorption air is dehumidified when passing through the adsorption port data (95), and then dehumidified by the adsorption heat exchange (31, 32) which is the evaporator.
- the regeneration air receives moisture and heat when passing through the adsorption heat exchange (31, 32), which is the condenser, and is then sent to the adsorption rotor (95) and the adsorbent To play.
- the adsorption air passes through the adsorption rotor (95) and the second adsorption heat exchanger (32) in order, and the regeneration air is It passes through the first adsorption heat exchanger (31) and the adsorption rotor (95) in order (see FIGS. 55 (A) and 56 (A)).
- the adsorption air passes through the adsorption rotor (95) and the first adsorption heat exchange (31) in order, and the regeneration air passes through the second adsorption heat exchange.
- Heat exchange (32) It sequentially passes through the suction rotor (95) (see FIG. 55 (B) and FIG. 56 (B)).
- the air for adsorption supplied to the room is dehumidified in two stages by the adsorption rotor (95) and the adsorption heat exchange (31, 32).
- the dehumidifying capacity of the air conditioner can be increased.
- the regeneration air supplied to the room is humidified in two stages by the adsorption heat exchangers (31, 32) and the adsorption rotor (95), so the humidification capacity of the air conditioner must be increased. Can be.
- the present invention is useful for an air conditioner that processes a sensible heat load and a latent heat load in a room by performing a refrigeration cycle.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2004800294832A CN1864035B (zh) | 2003-10-09 | 2004-10-08 | 空气调节装置 |
EP04792202.6A EP1705432B1 (en) | 2003-10-09 | 2004-10-08 | Air conditioner |
US10/574,899 US7810342B2 (en) | 2003-10-09 | 2004-10-08 | Air conditioning system |
AU2004280426A AU2004280426B2 (en) | 2003-10-09 | 2004-10-08 | Air conditioning system |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-351268 | 2003-10-09 | ||
JP2003351268 | 2003-10-09 | ||
JP2004101902A JP3668763B2 (ja) | 2003-10-09 | 2004-03-31 | 空気調和装置 |
JP2004-101902 | 2004-03-31 |
Publications (1)
Publication Number | Publication Date |
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WO2005036061A1 true WO2005036061A1 (ja) | 2005-04-21 |
Family
ID=34436917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/014933 WO2005036061A1 (ja) | 2003-10-09 | 2004-10-08 | 空気調和装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7810342B2 (ja) |
EP (1) | EP1705432B1 (ja) |
JP (1) | JP3668763B2 (ja) |
KR (1) | KR100709594B1 (ja) |
CN (1) | CN1864035B (ja) |
AU (1) | AU2004280426B2 (ja) |
WO (1) | WO2005036061A1 (ja) |
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US9664404B2 (en) * | 2005-04-21 | 2017-05-30 | Level Holding B.V. | Recuperative climate conditioning system |
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Also Published As
Publication number | Publication date |
---|---|
EP1705432A1 (en) | 2006-09-27 |
JP2005134099A (ja) | 2005-05-26 |
KR100709594B1 (ko) | 2007-04-20 |
CN1864035B (zh) | 2011-04-27 |
US20070051123A1 (en) | 2007-03-08 |
AU2004280426B2 (en) | 2008-08-28 |
US7810342B2 (en) | 2010-10-12 |
JP3668763B2 (ja) | 2005-07-06 |
EP1705432A4 (en) | 2010-10-27 |
EP1705432B1 (en) | 2014-10-01 |
AU2004280426A1 (en) | 2005-04-21 |
CN1864035A (zh) | 2006-11-15 |
KR20060085635A (ko) | 2006-07-27 |
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