WO2011045976A1 - 空調給湯システム - Google Patents

空調給湯システム Download PDF

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Publication number
WO2011045976A1
WO2011045976A1 PCT/JP2010/063638 JP2010063638W WO2011045976A1 WO 2011045976 A1 WO2011045976 A1 WO 2011045976A1 JP 2010063638 W JP2010063638 W JP 2010063638W WO 2011045976 A1 WO2011045976 A1 WO 2011045976A1
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WO
WIPO (PCT)
Prior art keywords
air conditioning
hot water
water supply
refrigerant
heat exchanger
Prior art date
Application number
PCT/JP2010/063638
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
小谷　正直
智弘 小松
禎夫 関谷
陽子 國眼
楠本　寛
Original Assignee
株式会社 日立製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 株式会社 日立製作所 filed Critical 株式会社 日立製作所
Priority to CN201080034603.3A priority Critical patent/CN102472537B/zh
Priority to EP10823244A priority patent/EP2489965A1/en
Publication of WO2011045976A1 publication Critical patent/WO2011045976A1/ja

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/02—Domestic hot-water supply systems using heat pumps
    • 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
    • F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
    • 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
    • F25B1/06—Compression machines, plants or systems with non-reversible cycle with compressor of jet type, e.g. using liquid under pressure
    • 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
    • F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
    • 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
    • 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
    • F25B2313/02742—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using two four-way valves
    • 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
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/047—Water-cooled condensers
    • 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
    • F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
    • F25B2341/001—Ejectors not being used as compression device
    • F25B2341/0013—Ejector control arrangements
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2513—Expansion valves

Definitions

  • the present invention relates to an air conditioning and hot water supply system, and in particular, includes a dual refrigeration cycle in which an air conditioning refrigerant circuit that switches between cooling and heating and a hot water supply refrigerant circuit that stores hot water are connected via an intermediate heat exchanger. It is suitable for an air conditioning and hot water supply system.
  • Patent Document 1 Japanese Patent Laid-Open No. 2001-147050
  • Japanese Patent Laid-Open No. 2001-147050 includes a compressor, a condenser, a freezing chamber expansion means for reducing the refrigerant to a first pressure, a refrigerating chamber expansion means for reducing the refrigerant to a second pressure, A freezer compartment evaporator that evaporates the refrigerant expanded by the freezer compartment expansion means and cools the air supplied to the freezer chamber to a first temperature, and the refrigerant expanded by the refrigerating room expansion means vaporizes the refrigerator compartment.
  • a refrigerator for refrigerating room that cools the air supplied to the second temperature to the second temperature, and the refrigerant that passes through the evaporator for freezer and the evaporator for refrigerating room is mixed by an ejector to increase the pressure.
  • This is a technology for discharging to a compressor.
  • This technique is a technique for operating an ejector between two-temperature evaporators such as a freezer compartment and a refrigerator compartment of a refrigerator, and a refrigeration expansion means for reducing the refrigerant to a first pressure, and refrigeration for reducing the refrigerant to a second pressure.
  • the chamber expansion means, the freezer evaporator for cooling the air to the first temperature, and the refrigerator refrigerator for cooling the air to the second temperature are provided.
  • the temperature level of each heat exchanger is condenser> refrigeration evaporator> refrigeration evaporator, and the ejector is driven even when the temperature of the evaporator for the refrigerator compartment that drives the ejector is lower than the condenser temperature. You can make it.
  • the air conditioner needs to perform the cooling operation and the heating operation, the same effect must be exhibited even when the circulation direction of the refrigerant is reversed.
  • the conventional technique has a problem that it is difficult to exert the effect of the ejector when the flow direction of the refrigerant is reversed.
  • the present invention has been made in view of such a situation, and an object of the present invention is to be able to exert the effect of the ejector in both the cooling operation and the heating operation, and to reduce the power consumption of the air conditioning refrigerant circuit. It is to provide an air-conditioning hot water supply system that can do things.
  • the present invention provides an air conditioning refrigerant circuit (10) for switching between cooling operation and heating operation, a hot water supply refrigerant circuit (20) for supplying hot water, and indoor air conditioning.
  • An air conditioning use side first heat exchanger (17a) and an air conditioning use side second heat exchanger (17b) for performing heat exchange between the circuit (10) and the air conditioning liquid circulation circuit (30);
  • the air conditioning refrigerant circuit (10) includes a discharge section (18c) of the ejector (18), an air conditioning compressor (11), and a second four-way valve for changing the refrigerant circulation direction.
  • the high-temperature side refrigerant circuit for air conditioning constructed by sequentially connecting the refrigerant pipes 8a), the discharge section (18c) of the ejector (18), the compressor for air conditioning (11), and so on.
  • the intermediate heat is composed of a first heat exchanger (17a) and a suction side (18b) of the ejector (18) and a low-temperature side refrigerant circuit for air conditioning constructed by sequentially connecting the refrigerant pipes.
  • An air conditioning heat source side expansion valve (14) and the air conditioning use are connected to a refrigerant pipe of the high temperature side refrigerant circuit for air conditioning connecting the exchanger (90) and the air conditioning use side second heat exchanger (17b).
  • a refrigerant pipe of the low temperature side refrigerant circuit for air conditioning connected to the side expansion valve (16) is joined to form the high temperature side refrigerant circuit for air conditioning
  • a common refrigerant circuit through which refrigerant flows from both of the low-temperature refrigerant circuits for air conditioning is formed, and an expansion valve (15) for air conditioning for decompressing the refrigerant is incorporated in the common refrigerant circuit. .
  • a heat source liquid circulation circuit (50) that radiates or absorbs heat to the air conditioning refrigerant circuit (10) and the hot water supply refrigerant circuit (20) using a hot and cold heat source.
  • the intermediate heat exchanger (90) exchanges heat among the air conditioning refrigerant circuit (10), the hot water supply refrigerant circuit (20), and the heat source liquid circulation circuit (50). It is characterized by being a thing.
  • the intermediate heat exchanger (90) is configured to absorb and dissipate heat of the refrigerant flowing through the hot water supply refrigerant circuit (20), and the air conditioning
  • the heat exchanger tube for absorbing and radiating heat of the refrigerant flowing through the refrigerant circuit (10) is in physical contact with the heat transfer tube to perform heat exchange.
  • heat exchange is possible between the refrigerant flowing through the heat source side heat exchanger (13a) for air conditioning and the refrigerant flowing through the intermediate heat exchanger (90).
  • the heat source side heat exchanger (13a) for air conditioning and the intermediate heat exchanger (90) are provided close to each other.
  • the air conditioning and hot water supply system of the present invention is characterized in that, in the above configuration, the opening and closing operations of the first four-way valve and the second four-way valve are synchronized to perform cooling and heating operations.
  • the opening degree of the air conditioning expansion valve (15) is controlled based on the liquid temperature of the heat source liquid circulation circuit (50), and the air conditioning The opening degree of the heat source side expansion valve (14) is controlled based on the outdoor air temperature.
  • the opening degree of the air conditioning expansion valve (15) is controlled based on the indoor / outdoor temperature difference, and the air conditioning use side expansion valve (16). It is characterized by controlling the degree of opening based on the amount of dehumidification.
  • the branching portion that branches from the discharge port of the air conditioning compressor (11) to the air conditioning high temperature side refrigerant circuit and the air conditioning low temperature side refrigerant circuit has a refrigerant.
  • An air conditioning control valve (19) for selectively switching the flow paths is incorporated.
  • the air-conditioning hot-water supply system of this invention WHEREIN:
  • the said ejector (18) changes a flow resistance by changing the cross-sectional area of the nozzle part (18a) (changing the opening degree of a nozzle part) in the said structure. It is characterized by being able to do things.
  • the air-conditioning hot water supply system further includes a hot water supply liquid circulation circuit (40) that radiates or absorbs heat to the hot water supply refrigerant circuit (20) using a hot / cold heat source in the above-described configuration, and the hot water supply refrigerant
  • the circuit (20) includes a discharge port of the hot water supply compressor (21), a hot water supply side heat exchanger (22) for exchanging heat with the hot water supply liquid circulation circuit 40), and hot water supply for decompressing the refrigerant.
  • a first hot water supply refrigerant circuit constructed by sequentially connecting an expansion valve (23), the intermediate heat exchanger (90), and a suction port of the hot water supply compressor (21) using refrigerant piping;
  • a second hot water supply refrigerant circuit connected in parallel so as to bypass the intermediate heat exchanger (90) from the first hot water supply refrigerant circuit, and the second hot water supply refrigerant circuit has an upstream side
  • a hot water supply heat source side expansion valve (24) for decompressing the refrigerant is incorporated, and outside air is provided downstream.
  • a hot water supply heat source side heat exchanger (25a) for exchanging heat with the first hot water supply refrigerant circuit and the second hot water supply refrigerant circuit is branched into the downstream branch portion. It is characterized in that a hot water supply control valve (26) for selectively switching the refrigerant flow path is provided.
  • heat exchange can be performed between the refrigerant flowing through the hot water supply heat source side heat exchanger (25a) and the refrigerant flowing through the intermediate heat exchanger (90) in the above configuration.
  • the hot water supply heat source side heat exchanger (25a) and the intermediate heat exchanger (90) are provided close to each other.
  • the air conditioning and hot water supply system of the present invention is the above-described configuration, wherein the lowermost part of the heat transfer tube that constructs the hot water supply heat source side heat exchanger (25a) is on the hot water supply heat source side that constructs the intermediate heat exchanger (90). It is characterized by being installed above the top of the heat transfer tube.
  • the uppermost part of the heat transfer tube constituting the heat source side heat exchanger (13a) for air conditioning has a heat transfer side on the air conditioning heat source side constituting the intermediate heat exchanger (90). It is characterized by being installed below the bottom of the heat pipe.
  • the hot water supply refrigerant circuit (20) is provided above the air conditioning refrigerant circuit (10) with the intermediate heat exchanger (90) as a boundary. It is said.
  • a refrigerant whose critical pressure sealed in the hot water supply refrigerant circuit (20) is equal to or higher than the critical pressure of the refrigerant sealed in the air conditioning refrigerant circuit (10) is used. It is characterized by things.
  • the air conditioning and hot water supply system of the present invention uses a refrigerant whose critical temperature of the refrigerant sealed in the hot water supply refrigerant circuit (20) is equal to or higher than the critical temperature of the refrigerant sealed in the air conditioning refrigerant circuit (10). It is characterized by things.
  • the refrigerant discharged from the air conditioning compressor branches and flows into the first four-way valve and the second four-way valve Then, heat is exchanged by the air conditioning use side first heat exchanger and the air conditioning use side second heat exchanger, respectively, and the air conditioning expansion valve is depressurized to a pressure corresponding to the liquid temperature of the heat source liquid circulation circuit.
  • the refrigerant that has passed through the air conditioning expansion valve absorbs heat conveyed by the heat source circulation circuit in the intermediate heat exchanger, passes through the second four-way valve, and then flows into the nozzle portion of the ejector to drive the ejector.
  • the refrigerant that has flowed into the air conditioning heat source side expansion valve is decompressed by the expansion valve to an evaporation pressure corresponding to the outdoor air temperature conveyed from the outdoor blower, absorbs heat from the outdoor air in the air conditioning heat source side heat exchanger, 1 After passing through the four-way valve, it flows into the suction part of the ejector.
  • the refrigerant flowing into the ejector is mixed in the ejector, converted into a constant pressure, and discharged to the air conditioning compressor.
  • the upper limit of the suction pressure of the air conditioning compressor is the evaporation pressure of the refrigerant in the intermediate heat exchanger, and the lower limit is the pressure between the evaporation pressures of the heat source side heat exchanger for air conditioning.
  • Evaporation pressure of heat source side heat exchanger for air conditioning ⁇ compressor suction pressure for air conditioning
  • Evaporation pressure of intermediate heat exchanger ⁇ suction pressure of compressor for air conditioning
  • the suction pressure of the air conditioning compressor can be made higher than the evaporation pressure of the heat source side heat exchanger.
  • the refrigerant circuit for air conditioning can be efficiently operated. Also, even when the heat source of the heat circulation circuit for the heat source becomes insufficient in heat quantity and cannot absorb the necessary heat quantity from the intermediate heat exchanger, the control valve connected to the intermediate heat exchanger is closed and the ejector By controlling the flow resistance of the nozzle portion, it is possible to perform a heating operation using the air-conditioning heat source side heat exchanger alone. Therefore, when other heat sources cannot be used or when the amount of heat of other heat sources is increased or decreased, the operation of the air conditioning refrigerant circuit can be optimally controlled.
  • the refrigerant that has flowed into the heat source side heat exchanger and the intermediate heat exchanger for air conditioning is cooled in each heat exchanger, and after the pressure is reduced to the evaporation pressure corresponding to the indoor control temperature in the air conditioning expansion valve, It flows into the utilization side second heat exchanger and the utilization side expansion valve for air conditioning.
  • the refrigerant absorbs heat corresponding to the sensible heat load in the room, flows into the nozzle portion of the ejector, and drives the ejector.
  • the refrigerant that has flowed into the air-conditioning use-side expansion valve is depressurized to an evaporation temperature at which the indoor latent heat can be removed in the air-conditioning use-side first heat exchanger, and the indoor latent heat load in the air-conditioning use-side first heat exchanger is reduced.
  • the heat quantity corresponding to is absorbed and flows into the ejector suction part.
  • the respective refrigerants flowing into the ejector are mixed in the ejector, converted into a constant pressure, and discharged to the compressor.
  • the suction pressure of the compressor and the evaporation pressure of each heat exchanger are Evaporation pressure of air-conditioning use side first heat exchanger ⁇ air-conditioning compressor suction pressure Evaporation pressure of air-conditioning use-side second heat exchanger ⁇ air-conditioning compressor suction pressure
  • the air conditioning refrigerant circuit can be operated efficiently. Further, when the latent heat load is small, the flow resistance of the air-conditioning use side expansion valve and the ejector nozzle can be changed, so that the same effect as in the normal cooling operation can be obtained.
  • the intermediate heat exchanger and the heat source side heat exchanger for hot water supply By constructing a natural circulation type refrigerant circuit between them, the refrigerant circuit for air conditioning can be efficiently operated.
  • the intermediate heat exchanger and the hot water supply heat source side heat exchanger are connected in parallel with respect to the flow direction of the refrigerant by the refrigerant circuit, and are provided with control valves in the upstream and downstream portions thereof. Further, the lowermost part of the heat source side heat exchanger for hot water supply is provided at a position higher than the uppermost part of the intermediate heat exchanger.
  • the control valve provided in the liquid circulation circuit for the heat source is closed and the intermediate heat of the refrigerant circuit for hot water supply is The control valve connected to the upstream and downstream portions of the exchanger and the hot water use side heat exchanger is closed.
  • heat is exchanged between the heat transfer tubes in the intermediate heat exchanger, so that the refrigerant in the air conditioning refrigerant circuit is cooled and condensed, and the refrigerant in the hot water supply refrigerant circuit is heated and evaporated.
  • the refrigerant in the hot water supply refrigerant circuit discharges the intermediate heat exchanger and then flows into the hot water supply heat source side heat exchanger due to the density difference between the saturated liquid and the gas.
  • the refrigerant that has flowed into the hot water supply heat source side heat exchanger is cooled and condensed by the outdoor air, and forms a flow that returns to the intermediate heat exchanger by gravity.
  • the refrigerant flowing into the intermediate heat exchanger of the air conditioning refrigerant circuit can exchange heat with the outdoor air through the refrigerant in the hot water supply refrigerant circuit and the hot water supply heat source side heat exchanger.
  • the heat source side heat exchanger for air conditioning and the heat source side heat exchanger for hot water supply can be used for heat dissipation of the air conditioning refrigerant circuit, the apparent heat transfer area of the heat exchanger can be expanded, and the air conditioning refrigerant circuit Can be operated efficiently.
  • the present invention can efficiently operate the air-conditioning refrigerant circuit of the air-conditioning hot-water supply system by the above-described configuration and operation.
  • the effect of the ejector can be exhibited in both the cooling operation and the heating operation, and the power consumption of the air conditioning refrigerant circuit can be reduced.
  • 1 is a system diagram of an air conditioning and hot water supply system according to a first embodiment of the present invention. It is a pressure-enthalpy diagram of the refrigerant in the present invention. It is a systematic diagram which shows the flow of the refrigerant
  • FIG. 1 is a system diagram of the air conditioning and hot water supply system 1.
  • the air conditioning and hot water supply system 1 dissipates heat to the air conditioning refrigerant circuit 10 and the hot water supply refrigerant circuit 20 that operate by switching between the cooling operation and the heating operation, and to the air conditioning refrigerant circuit 10 and the hot water supply refrigerant circuit 20 using a heating and cooling heat source.
  • a system constructed by an intermediate heat exchanger 90 that performs heat exchange between the heat source liquid circulation circuit 50 that performs heat absorption, and the air conditioning refrigerant circuit 10, the hot water supply refrigerant circuit 20, and the heat source liquid circulation circuit 50. is there.
  • the air conditioning and hot water supply system 1 is connected to the air conditioning and hot water supply system 1 by connecting the air circulation liquid circulation circuit 30, the hot water supply side liquid circulation circuit 40, the solar heat collector liquid circulation circuit 60, and the hot water supply circuit 70. Hot and cold heat is conveyed to the use side equipment such as the installed air conditioning unit 80, the storage tank 41, the heat storage tank 51, the solar heat collector 61, and the hot water supply control valve 74, and supplied to the house.
  • the air conditioning refrigerant circuit 10 includes an air conditioning compressor 11 that compresses the air conditioning refrigerant, a first four-way valve 12a and a second four-way valve 12b that switch the flow direction of the air conditioning refrigerant between the cooling operation and the heating operation, and the air conditioning Heat source side heat exchanger 13a, intermediate heat exchanger 90 for exchanging heat with the hot water supply refrigerant of hot water supply refrigerant circuit 20 and the heat transfer medium of heat source liquid circulation circuit 50, heat source side expansion valve 14 for air conditioning, air conditioning Expansion valve 15, air conditioning utilization side expansion valve 16, air conditioning utilization side first heat exchanger 17a, air conditioning utilization side second heat exchanger 17b, ejector 18, and outdoor air to air conditioning heat source side heat exchanger 13a An outdoor blower 91 for carrying is provided.
  • the intermediate heat exchanger 90 includes a heat transfer tube 55 for absorbing and radiating heat in the heat source liquid circulation circuit 50, a heat transfer tube 25b for absorbing and radiating heat of the refrigerant flowing in the hot water supply refrigerant circuit (20), and an air conditioner.
  • the heat transfer tube 13b for absorbing and radiating the heat of the refrigerant flowing through the refrigerant circuit (10) is in thermal contact with each other, so that heat exchange between the three heat media is possible. Furthermore, the heat transfer tube 25b and the heat transfer tube 13b are configured to be in physical contact.
  • the air conditioning heat source side heat exchanger 13a and the intermediate heat exchanger 90 are connected in parallel to the flow direction by a refrigerant circuit.
  • the air conditioning compressor 11 has a refrigerant circuit that is connected in parallel to the refrigerant flow direction to the first four-way valve 12a and the second four-way valve 12b, and the first four-way valve 12a is the heat source side heat for air conditioning.
  • the exchanger 13a and the second four-way valve 12b are connected to the heat transfer tube 13b of the intermediate heat exchanger, respectively, by a refrigerant circuit.
  • the four-way valves 12a and 12b are provided with a control mechanism for controlling the valves to open and close in synchronization.
  • the air-conditioning heat source side expansion valve 14 is connected in series with the air-conditioning heat source side heat exchanger 13a in the flow direction of the refrigerant, rejoins the refrigerant circuit from the heat transfer pipe 13b of the intermediate heat exchanger, and expands for air conditioning. They are connected by a refrigerant circuit that connects the valve 15.
  • the refrigerant circuit connected to the air conditioning expansion valve 15 branches and is connected to the air conditioning use side expansion valve 16 and the air conditioning use side second heat exchanger 17b.
  • the air conditioning use side expansion valve 16 and the air conditioning use side first heat exchanger 17a are connected in series with respect to the refrigerant flow direction.
  • the first four-way valve 12a and the second four-way valve 12b are connected to the ejector suction portion 18b and the nozzle portion 18a, respectively, and the ejector discharge portion 18c is connected to the air conditioning compressor 11.
  • the air-conditioning refrigerant circuit 10 includes an ejector discharge unit 18c, an air-conditioning compressor 11, a second four-way valve 12b, an intermediate heat exchanger 90, an air-conditioning use-side second heat exchanger 17b, A high temperature side refrigerant circuit for air conditioning constructed by sequentially connecting the ejector nozzle portion 18a with refrigerant piping, an ejector discharge portion 18c, an air conditioning compressor 11, a first four-way valve 12a, a heat source side heat exchanger 13a for air conditioning, A low-temperature side refrigerant for air conditioning constructed by sequentially connecting the air-conditioning heat source side expansion valve 14, the air-conditioning use-side expansion valve 16, the air-conditioning use-side first heat exchanger 17a, and the ejector suction unit 18b using refrigerant piping. It consists of two refrigerant circuits with a circuit.
  • the air conditioning expansion valve 15 is incorporated in a common refrigerant circuit through which refriger
  • the hot water supply refrigerant circuit 20 includes a hot water supply compressor 21 that compresses the hot water supply refrigerant, a hot water supply use side heat exchanger 22, a hot water supply expansion valve 23, a hot water supply heat source side expansion valve 24, and an air conditioning heat source side heat exchange.
  • a check valve can be used instead of the three-way valve 26.
  • the hot water supply refrigerant circuit 20 is composed of two refrigerant circuits, a first hot water supply refrigerant circuit and a second hot water supply refrigerant circuit.
  • the first hot water supply refrigerant circuit is constructed by sequentially connecting a hot water supply compressor 21, a hot water use side heat exchanger 22, a hot water supply expansion valve 23, and an intermediate heat exchanger 90 using refrigerant piping. .
  • the second hot water supply refrigerant circuit is formed to be connected in parallel so as to bypass the intermediate heat exchanger 90 from the first hot water supply refrigerant circuit, and from the upstream branch portion of the intermediate heat exchanger 90
  • the hot water supply heat source side expansion valve 24 and the hot water supply heat source side heat exchanger 25a are sequentially connected by a refrigerant pipe, and merge with the first hot water supply refrigerant circuit at a branch portion on the downstream side of the intermediate heat exchanger 90. ing.
  • a three-way valve 26 is provided at a branch portion on the downstream side of the intermediate heat exchanger 90.
  • the air conditioning refrigerant circuit 10 and the hot water supply refrigerant circuit 20 are spaced apart from each other with the intermediate heat exchanger 90 as a boundary, and the hot water supply refrigerant circuit 20 is the air conditioning refrigerant circuit 10. It is arranged above.
  • the lowermost part of the heat transfer tube of the hot water supply heat source side heat exchanger 25a is located above the uppermost part of the heat transfer tube 25b of the intermediate heat exchanger 90, and is the uppermost part of the heat transfer tube of the air conditioning heat source side heat exchanger 13a.
  • the upper part is located below the lowermost part of the heat transfer tube 13b of the intermediate heat exchanger 90.
  • the heat source liquid circulation circuit 50 includes a heat storage tank 51, a control valve 52 for controlling the circulation amount of the heat transfer medium returning to the heat storage tank, a control valve 53 for controlling the total circulation amount of the heat transfer medium, and an intermediate heat exchanger 90.
  • the heat transfer pipe 55 and the liquid circulation pump 56 used in the liquid circulation circuit for the heat source are provided.
  • the intermediate heat exchanger 90 and the hot water supply heat source side heat exchanger 25a have a head difference, and intermediate heat exchange is performed using the density difference between the saturated liquid and saturated gas of the refrigerant sealed in the hot water supply refrigerant circuit 20.
  • the refrigerant naturally circulates between the water heater 90 and the hot water supply heat source side heat exchanger 25a.
  • the intermediate heat exchanger 90 and the hot water supply heat source side heat exchanger 25a are provided close to each other so that heat can be exchanged efficiently.
  • the intermediate heat exchanger 90 and the air-conditioning heat source side heat exchanger 13a also have a head difference, and use the density difference between the saturated liquid and the saturated gas sealed in the air-conditioning refrigerant circuit 10.
  • the refrigerant naturally circulates between the intermediate heat exchanger 90 and the heat source side heat exchanger 13a for air conditioning.
  • the intermediate heat exchanger 90 and the heat source side heat exchanger 13a for air conditioning are provided close to each other so that heat exchange can be performed efficiently.
  • the temperature detecting means 100, 101, 132, the flow rate detecting means 201, 202, the humidity detecting means 301 and the like are provided.
  • the installation position of the detecting means is not limited to this embodiment. .
  • FIG. 3 shows a refrigerant circulation path when the air conditioning refrigerant circuit 10 is in a cooling operation in the air conditioning and hot water supply system described in the present invention.
  • FIG. 2 shows the operating point of the air conditioning refrigerant circuit of FIG. 3 with a pressure-enthalpy curve.
  • the solid line in the figure shows the operation of the cycle of the present invention, and the broken line shows the operation of the normal refrigeration cycle.
  • FIG. 3 shows a mode in which the air conditioning refrigerant circuit 10 is operated in a compression manner and the hot water supply refrigerant circuit 20 is operated in a natural circulation manner.
  • the opening degree of the hot water supply expansion valve 23 of the hot water supply refrigerant circuit 10 is fully closed, and the hot water supply heat source side expansion valve 24 is fully open.
  • the heat source liquid circulation circuit 50 is stopped.
  • the heat source liquid circulation control valves 52 and 53 are fully closed.
  • the solar collector liquid circulation circuit 60, the air conditioning refrigerant circuit 10, and the hot water supply refrigerant circuit 20 can be operated thermally independently. Therefore, irrespective of the operation of the air conditioning refrigerant circuit 10 and the hot water supply refrigerant circuit 20, the solar heat collector liquid circulation circuit 60 can be operated until the heat storage tank 51 reaches a predetermined temperature.
  • the refrigerant (P2) discharged from the air conditioning compressor 11 passes through the four-way valves 12a and 12b and flows into the heat transfer tubes 13b that construct the heat source side heat exchanger 13a and the intermediate heat exchanger 90.
  • the refrigerant flowing into the air-conditioning heat source side heat exchanger 13a is cooled and condensed by exchanging heat with outdoor air.
  • the refrigerant that has flowed into the heat transfer tube 13b of the intermediate heat exchanger 90 is cooled and condensed by exchanging heat with the refrigerant in the heat transfer tube 25b constituting the intermediate heat exchanger 90.
  • the refrigerant in the heat transfer tube 25b absorbs and evaporates heat from the heat transfer tube 13b, by releasing the three-way valve 26 of the hot water supply refrigerant circuit 20 in the direction of the hot water supply heat source side heat exchanger 25a, the refrigerant becomes a hot water supply heat source.
  • the liquefied refrigerant forms a natural circulation circuit that naturally recirculates to the intermediate heat exchanger 90 due to the density difference between the saturated gas and the liquid.
  • the heat transfer area of the heat exchanger can be controlled by closing the three-way valve 26 and closing the natural circulation circuit. For this reason, according to the state of the refrigerant discharged from the air conditioning compressor 11, the heat transfer area of the heat exchanger and the air volume control by the operation / stop of the outdoor fans 91 and 92 can be performed, and the operation of the air conditioning refrigerant circuit 10 can be performed. Optimal control is possible.
  • the refrigerant (P3) that has passed through the heat transfer pipe 13b of the heat source side heat exchanger 13a and the intermediate heat exchanger 90 for air conditioning is decompressed and expanded to an evaporation pressure corresponding to the indoor set temperature in the house 3 by the air conditioning expansion valve 15.
  • the air-conditioning heat source side expansion valve 14 is fully open.
  • the refrigerant (P4b) that has passed through the air conditioning expansion valve 15 flows into the air conditioning use side expansion valve 16 and the air conditioning use side second heat exchanger 17b.
  • the refrigerant that has flowed into the air-conditioning use-side expansion valve 16 is further expanded and depressurized by the air-conditioning use-side expansion valve 16 to the evaporation pressure corresponding to the dehumidifying load in the house 3, and then to the air-conditioning use-side first heat exchanger 17a.
  • Inflow (P4a) is further expanded and depressurized by the air-conditioning use-side expansion valve 16 to the evaporation pressure corresponding to the dehumidifying load in the house 3, and then to the air-conditioning use-side first heat exchanger 17a.
  • the heat transfer medium circulating in the liquid circulation circuit 30 for air conditioning is cooled, and the cooled heat transfer medium can be transferred to the indoor heat exchanger 34 installed in the house 3 by the liquid transfer pump 32. Indoor air can be cooled and dehumidified.
  • the refrigerant (P5b) that has passed through the air conditioning use-side second heat exchanger 17b flows into the ejector nozzle portion 18a and drives the ejector 18.
  • the refrigerant (P5a) that has passed through the air conditioning use-side first heat exchanger 17a is sucked into the ejector 18 from the ejector suction part 18b, mixed with the refrigerant that has flowed in from the ejector nozzle part 18a, and then ejected at the ejector discharge part 18c.
  • the pressure is increased and the refrigerant is returned to the air conditioning compressor 11 (P1).
  • the pressure of the suction portion of the air conditioning compressor 11 is Evaporation pressure (P4a, P5a) of compressor-side first heat exchanger 17a for air conditioning ⁇ compressor 11 suction pressure (P1) Evaporation pressure (P4b, P5b) ⁇ compressor 11 suction pressure (P1) of the use side second heat exchanger 17b for air conditioning
  • the suction pressure (P1) of the air conditioning compressor 11 can be increased.
  • the normal refrigeration cycle operates in a circulation path of P1 ' ⁇ P2' ⁇ P3 ⁇ P4a ⁇ P5a. For this reason, in the refrigeration cycle using the ejector, the enthalpy difference ( ⁇ H) consumed in the compression process can be made smaller than the enthalpy difference ( ⁇ H ′) consumed in the compression process of the normal refrigeration cycle. Therefore, the air conditioning refrigerant circuit 10 can be operated efficiently.
  • the air-conditioning use side first and second heat exchangers 17a and 17b are made the same by fully opening the air-conditioning use-side expansion valve 16 and fully opening the ejector nozzle portion 18a. It can be operated under conditions. As a result, the apparent heat transfer area of the heat exchanger can be increased, so that the evaporation pressure of the refrigerant can be increased and the air conditioning refrigerant circuit 10 can be efficiently operated even when the dehumidifying load is small.
  • FIG. 4 explains the flow of the refrigerant in the above-described state.
  • the flow of the air-conditioning refrigerant circuit 10 has been described in the embodiment of FIG. FIG. 4 shows a mode in which the air conditioning refrigerant circuit 10 is operated in a compression manner and the hot water supply refrigerant circuit 20 is stopped. At this time, the opening degrees of the hot water supply expansion valve 23 and the hot water supply heat source side expansion valve 24 are fully closed.
  • the refrigerant in the air conditioning refrigerant circuit 10 is discharged from the air conditioning compressor 11 and flows into the heat source side heat exchanger 13a for air conditioning and the heat transfer tube 13b of the intermediate exchanger 90.
  • the refrigerant flowing into the heat transfer tube 13 b of the intermediate heat exchanger 90 exchanges heat with the heat transfer medium flowing in the heat transfer tube 55 in the intermediate heat exchanger 90.
  • the heat transfer medium circulating in the heat source liquid circulation circuit 50 is heated by the refrigerant of the air conditioning refrigerant circuit 10.
  • the heated heat transfer medium is returned to the heat storage tank 51 by the heat source liquid circulation pump 56.
  • the solar heat collector liquid circulation circuit 60 is connected to the inside of the heat storage tank 51, and the heat collected by the solar heat collector can be stored simultaneously.
  • exhaust heat generated from an air conditioning heat source and heat generated from other heat sources such as solar heat can be recovered simultaneously.
  • FIG. 5 shows the flow of the refrigerant when the hot water supply refrigerant circuit 20 directly uses the heat from the air conditioning refrigerant circuit 10.
  • the flow of the air conditioning refrigerant circuit 10 and the solar heat collector liquid circulation circuit 60 has been described in the embodiment of FIGS. 3 and 4 and will not be described in detail.
  • FIG. 5 shows a mode in which the air conditioning refrigerant circuit 10 and the hot water supply refrigerant circuit 20 are operated in a compression manner, and the heat source liquid circulation circuit 50 is operated to operate the air conditioning hot water supply system.
  • the refrigerant in the air conditioning refrigerant circuit 10 is discharged from the air conditioning compressor 11 and flows into the heat transfer pipe 13b of the heat source side heat exchanger 13a and the intermediate exchanger 90 for air conditioning.
  • the refrigerant flowing into the heat transfer tube 13b of the intermediate heat exchanger 90 exchanges heat with the refrigerant flowing in the heat transfer tube 25b in the intermediate heat exchanger 90.
  • the refrigerant in the hot water supply refrigerant circuit 20 is discharged from the hot water supply compressor 21, and the hot water use side heat exchanger 22 heats the heat transfer medium flowing in the hot water supply liquid circulation circuit 40.
  • the heated heat transfer medium is returned to the hot water storage tank 41 by the hot water supply liquid circulation pump 43.
  • the refrigerant that has passed through the hot water use side heat exchanger 22 flows into the hot water supply expansion valve 23.
  • the hot water supply refrigerant that has flowed into the hot water supply expansion valve 23 is an evaporation pressure corresponding to the temperature on the low temperature side of the temperature of the refrigerant flowing through the heat transfer tube 13b of the intermediate heat exchanger and the temperature of the heat transfer medium flowing in the heat transfer tube 55.
  • the opening degree of the hot water supply expansion valve 23 is controlled.
  • the hot water supply refrigerant depressurized and expanded by the hot water supply expansion valve 23 flows into the hot water supply heat source side expansion valve 24 and the heat transfer pipe 25 b of the intermediate heat exchanger 90.
  • the refrigerant flowing into the heat transfer tube 25b of the intermediate heat exchanger 90 is heated and evaporated by heat exchange with the refrigerant flowing in the heat transfer tube 13b and the heat transfer tube 55 and the heat transfer medium.
  • the refrigerant flowing into the hot water supply heat source side expansion valve 24 is depressurized and expanded by the hot water supply heat source side expansion valve 24 so as to have an evaporation pressure corresponding to the outdoor temperature, and the outdoor air is supplied by the hot water supply heat source side heat exchanger 25a. Heat exchange with heat.
  • the relationship between the temperature of the refrigerant flowing in each heat transfer tube and the heat transfer medium is Heat transfer medium temperature in heat transfer tube 55 ⁇ air conditioning exhaust heat temperature Heat transfer medium temperature in heat transfer tube 55 ⁇ outdoor air temperature.
  • the hot water supply heat source side expansion valve 24 is fully closed to supply the hot water supply refrigerant to the hot water supply heat source side heat exchanger 25a. Close the flow. As a result, there is no imbalance in the evaporation temperature due to the difference in heat source. Similarly, when air-conditioning exhaust heat is not used, the flow on the intermediate heat exchanger 90 side of the three-way valve (hot water supply control valve) 26 is closed. Accordingly, all the refrigerant circulating in the hot water supply refrigerant circuit 20 flows into the hot water supply heat source side heat exchanger 25a and exchanges heat with outdoor air.
  • the intermediate heat exchanger 90 and the hot water supply heat source side heat exchanger 25a can be selectively used depending on whether or not air-conditioning exhaust heat is used, so that the evaporation pressure of the refrigerant can be maintained at an optimum pressure. Can do. For this reason, the operating efficiency of the hot water supply refrigerant circuit is not reduced.
  • FIG. 6 shows the flow of the refrigerant when the air conditioning refrigerant circuit 10 of the present invention is performing the heating operation.
  • FIG. 6 shows a mode in which the air conditioning refrigerant circuit 10 and the hot water supply refrigerant circuit 20 are operated in a compression manner and the heat source liquid circulation circuit 50 is operated to operate the air conditioning hot water supply system.
  • the refrigerant discharged from the air conditioning compressor 11 passes through the first and second four-way valves 12a and 12b, exchanges heat with the air conditioning use side first and second heat exchangers 17a and 17b, and cools and condenses.
  • the refrigerant that has passed through the air conditioning use side first and second heat exchangers 17a and 17b is expanded and depressurized by the air conditioning expansion valve 15 to an evaporation pressure corresponding to the temperature of the heat transfer medium circulating in the heat source liquid circulation circuit 40.
  • the use side expansion valve 16 for air conditioning is fully opened.
  • the refrigerant that has passed through the air conditioning expansion valve 15 flows into the air conditioning heat source side expansion valve 14 and the heat transfer tube 13 b of the intermediate heat exchanger 90.
  • the refrigerant flowing into the air conditioning heat source side expansion valve 14 is expanded and depressurized to an evaporation pressure corresponding to the outdoor air temperature, and then flows into the air conditioning heat source side heat exchanger 13a.
  • the refrigerant flowing into the heat source side heat exchanger 13a for air conditioning exchanges heat with the outdoor air conveyed by the outdoor blower 91, and absorbs and evaporates.
  • the refrigerant flowing into the heat transfer tube 13b of the intermediate heat exchanger 90 exchanges heat between the heat transfer tube 25b and the heat transfer tube 55, and absorbs heat and evaporates. Since the heat transfer medium flowing into the heat transfer tube 55 of the intermediate heat exchanger 90 absorbs the heat of the solar heat collector 61, the temperature becomes higher by 10 ° C. or more than the outdoor air temperature.
  • the relationship between the evaporation pressure of the refrigerant flowing in the heat transfer tube 13b of the intermediate heat exchanger 90 and the heat source side heat exchanger 13a for air conditioning is
  • the evaporation pressure of the heat transfer tube 13b of the intermediate heat exchanger 90 is equal to or greater than the evaporation pressure of the heat source side heat exchanger 13a for air conditioning.
  • the refrigerant that has passed through the intermediate heat exchanger 90 flows into the ejector nozzle portion 18a, and drives the ejector 18.
  • the refrigerant that has passed through the heat source side heat exchanger 13a for air conditioning is sucked into the ejector 18 from the ejector suction portion 18b, mixed with the refrigerant that has flowed in from the ejector nozzle portion 18a, and then boosted by the ejector discharge portion 18c. Reflux to the compressor 11. At this time, the pressure of the refrigerant is increased by the ejector 18.
  • the relationship between the suction pressure of the air conditioning compressor 11 and the evaporation pressure of each heat exchanger is Evaporation pressure of the air-conditioning heat source side heat exchanger 13a ⁇ Air conditioning compressor 11 suction pressure Evaporation pressure of the heat transfer tube 13b of the intermediate heat exchanger 90 ⁇ Air conditioning compressor 11 suction pressure, and the suction pressure of the air conditioning compressor 11 is You can keep it high. As a result, the air conditioning refrigerant circuit 10 can be operated efficiently.
  • the opening of the ejector nozzle portion 18a is fully closed to prevent the refrigerant from flowing into the intermediate heat exchanger 90.
  • the air conditioning refrigerant circuit 10 can be efficiently operated even when no other heat source is used.
  • FIG. 7 shows the flow of the refrigerant when the hot water supply refrigerant circuit 20 is operated independently when the air conditioning refrigerant circuit 10 is not operated.
  • FIG. 7 shows a mode in which the air conditioning refrigerant circuit 10 is operated in a natural circulation type, the hot water supply refrigerant circuit 20 is operated in a compression type, and the heat source liquid circulation circuit 50 is stopped.
  • the refrigerant discharged from the hot water supply compressor 21 is cooled and condensed by the hot water use side heat exchanger 22 and flows into the hot water supply expansion valve 23.
  • the refrigerant flowing into the hot water supply expansion valve 23 is expanded and depressurized by the hot water supply expansion valve 23 so as to have an evaporation pressure corresponding to the outdoor temperature, and flows into the hot water supply heat source side expansion valve 24 and the intermediate heat exchanger 90.
  • the hot water supply heat source side expansion valve 24 is fully open.
  • the refrigerant that has flowed into the heat transfer tube 25b of the intermediate heat exchanger 90 and the hot water supply heat source side heat exchanger 25a exchanges heat with the heat transfer tube 13b of the air conditioning refrigerant circuit and outdoor air, and evaporates.
  • the relationship between the outdoor temperature and the evaporation temperature of the heat source side heat exchanger for hot water supply is
  • the refrigerant temperature of the hot water supply heat source side heat exchanger is equal to or lower than the outdoor temperature.
  • the heat transfer tube 13b of the intermediate heat exchanger 90 the heat transfer tube 13b of the intermediate heat exchanger 90—the heat source side heat exchanger for air conditioning.
  • a natural circulation circuit due to a temperature difference can be formed in a circuit formed between 13a.
  • the air conditioning control valve 19 is released in a direction in which the first four-way valve 12a and the second four-way valve 12b communicate with each other, and the air conditioning expansion valve 15 is fully closed.
  • the heat exchanged between the heat transfer tube 25b of the intermediate heat exchanger 90 and the air conditioning heat source side heat exchanger 13a is transferred to the air conditioning heat source side heat exchanger 13a using a natural circulation circuit constructed in the air conditioning refrigerant circuit 10.
  • heat exchange with the outdoor air is performed by the air-conditioning heat source side heat exchanger 13a, so that the heat transfer area and the air flow rate of the hot water supply heat source side heat exchanger 25a can be increased. Accordingly, even when the hot water supply refrigerant circuit 20 is operated alone, an efficient operation can be performed.
  • FIG. 8 shows an embodiment when the ejector circuit of the present invention is applied to the hot water supply refrigerant circuit 20.
  • the same effect as that of the air conditioning refrigerant circuit 10 can be obtained by the ejector 27 in the hot water supply refrigerant circuit.
  • the critical point (critical temperature and pressure) of the refrigerant in the air conditioning refrigerant circuit 10 and the hot water supply refrigerant circuit 20 is the critical point where the critical point of the refrigerant in the hot water supply refrigerant circuit 20 is equal to or higher than the air conditioning refrigerant circuit 10.
  • coolant which has can be utilized.
  • solar heat is mainly described as a heat source other than air.
  • a heat source other than that, for example, a heat source (renewable energy) such as underground heat or biomass. It goes without saying that the invention has the same effect.
  • SYMBOLS 1 Air-conditioning hot-water supply system, 3 ... House, 10 ... Air-conditioning refrigerant circuit, 11 ... Air-conditioning compressor, 12a ... First four-way valve, 12b ... Second four-way valve, 13a ... Air-conditioning heat source side heat exchanger, 13b ... Heat source side heat transfer pipe for air conditioning of intermediate heat exchanger, 14 ... Heat source side expansion valve for air conditioning, 15 ... Expansion valve for air conditioning, 16 ... Usage side expansion valve for air conditioning, 17a ... Usage side first heat exchanger for air conditioning, 17b ... Air-side use side second heat exchanger, 18 ... Ejector, 18a ... Ejector nozzle part, 18b ...
  • Liquid Circulation pump 50 ... liquid circulation circuit for heat source, 51 ... heat storage tank, 52, 53 ... liquid circulation flow rate control valve for heat source, 55 ... heat transfer pipe of intermediate heat exchanger heat source liquid circulation circuit, 56 ... liquid circulation pump, 60 ... Liquid circulation circuit for solar heat collector, 61 ... solar heat collector, 62 ... liquid circulation pump, 63 ... control valve, 70 ... circuit for hot water supply, 72, 73, 74 ... control valve for hot water supply, 80 ... air conditioning unit, 90 ... Intermediate heat exchanger, 91, 92 ... outdoor blower, 101, 102, ... 132 ... temperature detection means, 201, 202 ... flow rate detection means, 301 ... humidity detection means

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Other Air-Conditioning Systems (AREA)
PCT/JP2010/063638 2009-10-16 2010-08-11 空調給湯システム WO2011045976A1 (ja)

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CN201080034603.3A CN102472537B (zh) 2009-10-16 2010-08-11 空气调节热水供给系统
EP10823244A EP2489965A1 (en) 2009-10-16 2010-08-11 Air-conditioning hot-water supply system

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WO2013069456A1 (ja) * 2011-11-11 2013-05-16 ヤンマー株式会社 給湯装置および設置構造
EP2532981A3 (en) * 2011-06-10 2016-07-27 Samsung Electronics Co., Ltd. Water Supply Apparatus

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JP5761857B2 (ja) * 2011-09-19 2015-08-12 東芝キヤリア株式会社 二元冷凍サイクル装置
WO2013061473A1 (ja) * 2011-10-28 2013-05-02 株式会社日立製作所 給湯空調装置
CN104364582B (zh) * 2012-06-12 2018-05-11 永久太阳能有限公司 太阳能系统
JP6375294B2 (ja) 2012-06-12 2018-08-15 エンドレス ソーラー コーポレイション リミテッド 太陽エネルギーシステムおよび熱エネルギー伝達方法
CN104813117B (zh) * 2012-11-21 2016-10-05 三菱电机株式会社 空气调节装置
ES2464940B1 (es) * 2014-04-04 2015-06-09 Vicente SÁNCHEZ PÉREZ Sistema de gestión, producción y distribución de energia térmica con aportación de energias renovables
CN104110910A (zh) * 2014-07-04 2014-10-22 珠海格力电器股份有限公司 空调系统
JP2022084964A (ja) * 2019-04-03 2022-06-08 ダイキン工業株式会社 冷媒サイクル装置
CN112013566B (zh) * 2019-06-01 2024-04-23 上海春至新能源科技有限公司 一种能源集成节能多功能热泵
CN113551441A (zh) * 2021-08-02 2021-10-26 姜春辉 一种热泵机组

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WO2013069456A1 (ja) * 2011-11-11 2013-05-16 ヤンマー株式会社 給湯装置および設置構造

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CN102472537A (zh) 2012-05-23
JP5166385B2 (ja) 2013-03-21

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