Classifications

• • 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
  • F24F3/153—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 with subsequent heating, i.e. with the air, given the required humidity in the central station, passing a heating element to achieve the required temperature
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
  • F24F1/0007—Indoor units, e.g. fan coil units
  • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
  • F24F1/0007—Indoor units, e.g. fan coil units
  • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
  • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
  • F24F1/0007—Indoor units, e.g. fan coil units
  • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
  • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
  • F24F1/0007—Indoor units, e.g. fan coil units
  • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
  • F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
  • F24F1/0007—Indoor units, e.g. fan coil units
  • F24F1/0083—Indoor units, e.g. fan coil units with dehumidification means
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
  • F24F1/0007—Indoor units, e.g. fan coil units
  • F24F1/0087—Indoor units, e.g. fan coil units with humidification means
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F6/00—Air-humidification, e.g. cooling by humidification
• • 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
  • 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
  • F24F2003/144—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 dehumidification only
  • F24F2003/1446—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 dehumidification only by condensing
  • F24F2003/1452—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 dehumidification only by condensing heat extracted from the humid air for condensing is returned to the dried air
• • 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
  • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
  • F25B2313/0234—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in series arrangements

Definitions

• indoor air is introduced by an indoor fan, and heat is exchanged between a refrigerant passing through the interior of the indoor heat exchanger and indoor air passing through a surface of the indoor heat exchanger.
• the present invention relates to an air conditioner that discharges conditioned air into a room.
• an outdoor heat exchanger disposed in a book outdoor unit and an indoor heat exchanger disposed in an indoor unit are connected by refrigerant piping, and each heat exchanger condenses refrigerant. It is configured to perform cooling operation or heating operation by controlling it to function as a heater and an evaporator.
• An outdoor fan for generating an air flow is arranged in the outdoor unit.
• the outdoor fan introduces outside air and exchanges heat between refrigerant and air passing through the inside of the outdoor heat exchanger. .
• the indoor unit is also provided with an indoor fan that generates an airflow inside the indoor unit casing.
• the indoor fan draws in indoor air, and the refrigerant and air passing through the indoor heat exchanger are removed from the indoor unit. Heat exchange between
• the humidifying unit consists of a disk-shaped humidifying rotor made of porous moisture-absorbing material such as zeolite that absorbs moisture in the air and heats it, for example. Support rotatably.
• An indoor unit is provided with a humidifying fan for introducing outside air to generate moisture that passes through a part of the humidifying rotor, and humidified air containing moisture released from the humidifying rotor.
• a humidifying fan for generating an air flow for transporting to the side.
• the air flow from the humidifying fan and the air flow from the humidifying fan are And a heater for heating the humidification rotor is disposed at a position where the air flow from the humidification fan passes.
• the moisture contained in the airflow by the moisture absorbing fan is adsorbed by the moisture absorbing material of the humidifying rotor.
• the humidification rotor is driven to rotate by a motor. At the heating position by the heater, the adsorbed moisture is released, and moisture can be given to the airflow by the humidification fan.
• a heater for releasing moisture adsorbed on the humidifying rotor is provided.
• the energy consumption efficiency COP of such a heater is almost “1”, which means that the energy consumption is large, and the commercial power during the humidifying operation is larger than that during the normal air-conditioning operation.
• the indoor air-conditioning unit that blows out humidified air into the room has a uniform outlet for humidified air so as to increase the humidity of the whole room, so it is necessary to uselessly humidify the space where no people exist. This reduces the perceived humidifying effect, and humidifies the walls and windows, etc., where dew condensation is likely to occur.
• An object of the present invention is to provide an air conditioner capable of humidifying operation with a minimum number of additional components. Disclosure of the invention
• indoor air is introduced by an indoor fan, and the indoor air passes through the indoor heat exchanger and the indoor air passes through the outer surface of the indoor heat exchanger.
• An air conditioner that performs heat exchange and discharges the conditioned air after the heat exchange into a room, wherein the indoor heat exchanger includes a first heat exchange unit, a second heat exchange unit, and a first heat exchange unit. While connecting the second heat exchange section in series, the pressure of the refrigerant is adjusted so that one of the first heat exchange section and the second heat exchange section functions as an evaporator and the other functions as a condenser.
• the pressure control mechanism was controlled so that the first heat exchange section of the indoor heat exchanger functions as an evaporator and the second heat exchange section functions as a condenser, and adhered to the outer surface of the first heat exchange section.
• the heating air exchanged in the second heat exchange section and the refrigerant inside the second heat exchange section evaporate moisture to humidify the heating air. Will be done. Therefore, the conditioned air after the heat exchange in the second heat exchange section can be humidified, and the humidified adjusted air can be supplied to the room.
• An indoor heat exchanger is an essential component of a normal air conditioner, and a part of the indoor heat exchanger is used for dehumidifying so that the temperature of the air blown into the room during the dehumidifying operation does not become too low.
• an operation mode in which the evaporator functions as an evaporator and the other part functions as a condenser for heating
• an operation mode in which the reheat dry mode is reversed must be set.
• humidification operation can be performed without adding new parts.
• the air conditioner according to claim 2 of the present invention is the air conditioner according to claim 1, wherein the first heat exchange unit and the second heat exchange unit are provided with a heat transfer tube through which a refrigerant passes and an outer surface.
• a guide surface is provided to guide the user.
• the water condensed on the outer surface of the first heat exchanger can be efficiently guided to the vicinity of the outer surface of the second heat exchanger by the radiation fins of the indoor heat exchanger.
• the air conditioner according to claim 3 of the present invention is the air conditioner according to claim 1 or 2, wherein the first heat exchange section functions as an evaporator and the second heat exchange section functions as a condenser.
• the air conditioner further includes dry air discharging means for discharging air after passing through the first heat exchange section to the outside of the room.
• An air conditioner according to claim 4 of the present invention is the air conditioner according to claim 1 or 2, wherein the first heat exchanger functions as an evaporator and the second heat exchanger functions as a condenser.
• the air conditioner according to claim 5 of the present invention is the air conditioner according to claim 4, wherein the heating humidified air guide means and the dry air guide means change the heating humidified air flow by a predetermined angle in the left-right direction. And a vertical flap that sets the dry air flow to another angle in the left-right direction.
• the vertical flap to set the heating and humidifying air flow to the front of the air conditioner so that the dry air flow spreads right and left from the air conditioner.
• humidified air can be efficiently supplied to places where humans exist, and the supply of excess humidity to places where condensation easily occurs, such as wall surfaces and window glass, can be suppressed.
• the air conditioner according to claim 6 of the present invention is the air conditioner according to claim 4, wherein the heating humidifying air guide means and the dry air guide means pass the heating humidification air flow through a lower region of the room.
• the horizontal flap is set so that the dry air flow passes through the upper region than the heating humidified air flow.
• the drying air flow contains cooling and drying air after passing through the first heat exchange section, and it is possible to humidify the lower area in the room by holding down the heating and humidifying air. Become. Therefore, the humidifying effect on a person near the floor can be enhanced, and an effective humidifying operation can be performed when performing the air-conditioning operation at bedtime.
• the air conditioner according to claim 7 of the present invention is the air conditioner according to claim 6, wherein the second heat exchange section is supplied with dew condensation water from the first heat exchange section to supply humidified air.
• Heating and humidifying air generator that generates heat and dry air that is not supplied with condensed water from the first heat exchanger
• the horizontal flap discharges the heating humidified air generated by the heating humidified air generation unit as a heating humidified air flow passing through the lower area of the room, and cools and drys the air generated by the first heat exchange unit.
• the heating / drying air generated in the heating / drying air generation section is used as a heating / drying air flow that passes through the area above the cooling / drying air flow It is characterized by emission.
• the heating and humidifying air flow can be more effectively suppressed by the cooling and drying air flow, so that the humidifying effect on the lower area in the room can be further enhanced.
• the air conditioner according to claim 8 of the present invention is the air conditioner according to claim 6, wherein the second heat exchanger is supplied with dew water from the first heat exchanger to generate humidified air.
• the cooling and drying air is mixed with the heating and drying air and is discharged as a slightly warm and drying air flow, so that the temperature difference with the heating and humidifying air is small, and even if the cooling and drying air comes into contact with the weakly drying air flow, it is uncomfortable. Is reduced. Since the heating and humidifying air can be held down by the slightly warm and dry air flow, the humidifying effect in the lower area in the room can be enhanced.
• FIG. 1 is a perspective view showing an external configuration of the air conditioner.
• FIG. 2 is an explanatory diagram of a refrigerant circuit.
• Figure 3 is a schematic diagram of an indoor heat exchanger.
• FIG. 4 is a sectional view of an indoor unit to which the second embodiment is applied.
• FIG. 5 is a sectional view of an indoor unit to which the second embodiment is adopted.
• FIG. 6 is a sectional view of an indoor unit to which the third embodiment is applied.
• FIG. 7 is an explanatory diagram of the humidification control.
• FIG. 8 is a sectional view of an indoor unit in which the fourth embodiment is searched.
• FIG. 9 is an explanatory diagram of the humidification control. BEST MODE FOR CARRYING OUT THE INVENTION
• FIG. 1 shows an external configuration of an air conditioner to which an embodiment of the present invention is applied.
• the air conditioner 1 includes an indoor unit 2 mounted on an indoor wall or the like, and an outdoor unit 3 installed outdoors.
• the outdoor unit 3 includes an outdoor air conditioning unit 5 for storing an outdoor heat exchanger, an outdoor fan, and the like.
• An indoor heat exchanger is housed in the indoor unit 2
• an outdoor heat exchanger is housed in the outdoor unit 3
• the heat exchangers are connected by refrigerant pipes 6 to form a refrigerant circuit. ing.
• Fig. 2 shows an example of a refrigerant circuit used in the air conditioner 1.
• an indoor heat exchanger 11 is provided inside the indoor unit 2.
• This indoor heat exchanger 11 is composed of a heat transfer tube bent multiple times at both ends in the longitudinal direction, and a plurality of fins through which the heat transfer tube passes, and performs heat exchange between the air and the contacting air.
• a first heat exchange section 14 and a second heat exchange section 15 connected in series by a reversible valve 16 constituted by an electric expansion valve.
• the reversible valve 16 is open, and both the first heat exchange unit 14 and the second heat exchange unit 15 are controlled to function as a condenser or an evaporator. Further, by controlling the reversing valve 16 to reduce the pressure, one of the first heat exchange section 14 and the second heat exchange section 15 functions as a condenser, and the other functions as an evaporator. It is possible. Instead of the reversible valve 16, it is also possible to adopt a configuration in which a capillary and an on-off valve are connected in parallel.
• a cross-flow fan 12 is provided in the indoor unit 2 for sucking indoor air and performing heat exchange with the indoor heat exchanger 11 and discharging the air into the room.
• the cross flow fan 1 2 is configured in a cylindrical shape, and the circumferential surface is Are provided with blades, and generate airflow in a direction intersecting with the rotation axis.
• the cross flow fan 12 is driven to rotate by a fan motor 13 provided in the indoor unit 2.
• the outdoor air conditioning unit 5 includes a compressor 21, a four-way switching valve 22 connected to the discharge side of the compressor 21, an accumulator 23 connected to the suction side of the compressor 21, and a four-way An outdoor heat exchanger 24 connected to the switching valve 22 and a decompressor 25 composed of an electric expansion valve connected to the outdoor heat exchanger 24 are provided.
• the pressure reducer 25 is connected to a local pipe 31 via a liquid shutoff valve 27, and is connected to one end of the indoor heat exchanger 11 via the local pipe 31.
• the four-way switching valve 22 is connected to a local pipe 32 via a gas shutoff valve 28, and connected to the other end of the indoor heat exchanger 11 via this local pipe 32. I have.
• the on-site pipes 31 and 32 correspond to the refrigerant pipe 6 in FIG.
• a propeller fan 29 for discharging the air after the heat exchange in the outdoor heat exchanger 24 to the outside is provided inside the outdoor air-conditioning unit 5. This propeller fan 29 is driven to rotate by a fan motor 30.
• FIG. 3 schematically shows a refrigerant path of the indoor heat exchanger 11.
• the indoor heat exchanger 11 has a first partition 11A located at the upper front of the indoor unit 2, a second partition 11B located at the middle of the front, and a third partition 11 located at the lower front. C, a fourth partition 11D located at the upper back, and a fifth partition 11E located at the lower back.
• the first partition section 11A is composed of a plurality of heat transfer members 121, which are connected at both left and right ends in the longitudinal direction, and a plurality of first fins 111, which are passed through through holes of the heat transfer tubes 121, as well. It has a plurality of heat transfer tubes 122 connected at both left and right ends in the longitudinal direction, and a plurality of second fins 112 passed through through holes of the heat transfer tubes 122.
• One end of the heat transfer tube 122 is connected to the refrigerant pipe A on the liquid tube side, and the other end is connected to one end of the heat transfer tube 122.
• the heat transfer tube 122 constitutes a refrigerant path branching from the one end connected to the heat transfer tube 122 into two systems, and the other end is united into one, and piping at one end of the reversing valve 16 is provided. Connected to B.
• the second partition 1 1B has a length of ⁇ heat transfer tubes 1 2 3 connected at both left and right ends.
• a plurality of third fins 113 are provided through the through holes of the heat pipes 123.
• One end of the heat transfer tube 1 2 3 is connected to the pipe C on the other end of the reversing valve 16, and is connected to the crossover pipes D and E that are connected to the fifth section 11 E at the middle. And the other end is connected to a gas pipe side pipe F.
• the third partition portion 1 1C includes a plurality of heat transfer tubes 124 connected at both left and right ends in the longitudinal direction, and a plurality of fourth fins 114 connected to the through holes of the heat transfer tubes 124. ing. One end of the heat transfer tube 124 is connected to the pipe C on the other end of the reversing valve 16, and the other end is connected to the refrigerant pipe F on the gas pipe side.
• the fourth partition portion 1 1D includes a plurality of heat transfer tubes 1 25 connected at both left and right ends in the length direction, and a plurality of fifth fins 1 15 connected to through holes of the heat transfer tubes 1 25. ing.
• One end of the heat transfer tube 125 is connected to the pipe C on the other end of the reversing valve 16, and the other end is connected to the refrigerant pipe F on the gas pipe side.
• the fifth partition 1 1E includes a plurality of heat transfer tubes 1 26 connected at both left and right ends in the length direction, and a plurality of sixth fins 1 16 connected to the through holes of the heat transfer tubes 1 26. ing. One end of the heat transfer tube 1 26 is connected to the transfer pipe D, and the other end is connected to the transfer pipe E.
• the third partition 11 C is provided with a thermistor 13 1 for detecting the temperature of the refrigerant passing through the inside of the heat transfer tube 124.
• the second fin 1 1 2 of the first partition 1 1A, the third fin 1 1 3 of the second partition 1 1B, and the fourth fin 1 1 4 of the third partition 1 1C are bent by the same member. Can be created by The second fin 1 1 2 of the first partition 11 A, the third fin 1 1 3 of the second partition 11 B, the fourth fin 1 1 4 of the third partition 11 C, and the fourth partition.
• the same member can also be formed by bending all the fifth fins 125 of the part 11D and the sixth fins 126 of the fifth partition 11E.
• the first partition 11A constitutes the first heat exchange section 14
• the fourth partition 11 D and the fifth partition 11E constitute the second heat exchanger 15.
• the reversing valve 16 is opened and the four-way switching valve 22 is operated with the solid line position to operate the first heat exchange section 14 and the second Both heat exchangers 15 can function as condensers, and can perform heating operation.
• the reversing valve 16 in the open state and operating the four-way switching valve 22 at the dotted line position both the first heat exchange section 14 and the second heat exchange section 15 become evaporators. And can perform cooling operation.
• the first heat exchange section 14 of the indoor heat exchanger 11 functions as a condenser
• the heat exchange section 15 can function as an evaporator.
• the water contained in the room air can be removed in the second heat exchange section 15 and the room can be heated so that the room temperature does not become too low in the first heat exchange section 14. Operation becomes possible.
• the first heat exchange section 14 of the indoor heat exchanger 11 functions as an evaporator
• the intersection 15 can function as a condenser.
• the condensed water adhering to the outer surface of the first partition 11A forms the first fins 11 and 11 of the first partition 11A constituting the first heat exchange unit 14.
• the second partition 11B and the third partition 11C constituting the second heat exchange section 15. Therefore, the dew water adhering to the outer surface of the first compartment 11A is guided by the second compartment 11B and the third compartment 11C and is heated to humidify the indoor air. Is converted to water vapor.
• the first partition 11A to the fifth partition 11E are set, and the first partition 11A is the first heat exchanger 14 and the second partition 1 1B to the fifth partition 11E are set to be the second heat exchangers 15, but the positions and shapes of the first heat exchangers 14 and the second heat exchangers 15 are different. It is not limited to this.
• another embodiment based on the configuration of the indoor unit 2 for performing the humidification operation will be described. (Second embodiment)
• the first partition 151, the second partition 152, the third partition 153, the fourth partition 1554, the fifth partition 1 Use indoor heat exchanger 11 equipped with 5 5.
• the first partition 15 1 is located above the front of the indoor unit 2
• the second partition 15 2 is located at the center of the front of the indoor unit 2
• the third partition 15 3 is located below the front. It is arranged to be located.
• the fourth partition 154 is located above the rear of the indoor unit 2
• the fifth partition 155 is located further behind the fourth partition 154.
• the upper end of the fifth partition 15 5 is positioned so that the airflow entering from above can be branched and passed through the airflow passing through the fourth partition 15 4.
• the lower end of the fifth compartment 15 5 is located at a distance from the upper portion of the fourth compartment 1 5. Condensation water adhering to the outer surfaces of the heat transfer tubes and the fins of the fifth compartment 15. In order to be guided by 54, it is arranged close to or in contact with the middle part of the fourth partition part 154.
• the fifth partition part 15 55 forms the first heat exchange part 14 (see FIG. 2), and the first partition part 15 1 to the fourth partition part 1 5 4 is the second heat exchange section 1
• the refrigerant path of the first partition 15 1 to the fourth partition 15 4 and the refrigerant path of the fifth partition 15 5 are composed of an electric expansion valve or the like. Connected by a reversible valve (not shown).
• the indoor unit 2 is provided with an upper suction port 17 1 and a front suction port 17 2 for introducing indoor air into the main body casing that houses the internal mechanism, and the upper suction port 17 1 and the front suction port.
• a dust-proof filter 1 7 3 for removing foreign substances in the air sucked from 1 7 2 is installed.
• each of the compartments is located below the first compartment 151, the second compartment 152, and the third compartment 153 of the indoor heat exchanger 11.
• a first drain pan 174 is provided for receiving the dew condensation water generated in the area.
• the interior of the indoor unit 2 is located below the fourth partition 154 and the fifth partition 155 of the indoor heat exchanger 11, and receives dew condensation water generated in each partition.
• a second drain pan 175 is provided.
• Indoor air is introduced into the center of the indoor unit 2 and heat is exchanged by the indoor heat exchanger 11.
• a cross-flow fan 12 for generating an air flow for supplying the room air to the room is provided.
• an outlet 176 for blowing out the air after the heat exchange by the indoor heat exchanger 11 into the room is provided on the lower front surface of the indoor unit 2.
• the indoor unit 2 is provided with a cooling / drying air exhaust passage 162 located behind the fifth partitioning section 1555 of the indoor heat exchanger 11 to discharge cooling / drying air to the outside of the room.
• An exhaust fan 16 3 that generates an air flow for exhausting the air that has passed through the fifth compartment 15 5 of the indoor heat exchanger 11 to the outside,
• a fan motor 164 for driving the fan 163 is provided.
• a damper 161 that can shut off the air flow generated by the exhaust fan 163 is attached to the indoor unit 2 side of the cooling / drying air exhaust path 162.
• the damper 161 is driven by driving means (not shown) such as a motor and a solenoid, and is configured to be able to take a shut-off position shown in FIG. 4 and an open position shown in FIG.
• the damper 161 is set to the shut-off position as shown in Fig. 4.
• the indoor air introduced from the front inlet 17 2 passes through the second compartment 15 2 and the third compartment 15 3 of the indoor heat exchanger 11, After performing heat exchange with the refrigerant passing through the inside of the compartment, it is discharged into the room from the outlet 176.
• the indoor air introduced from the upper surface suction port 17 1 passes through the dustproof filter 17 3 and then passes through the first section 15 1 and the fourth section 15 4 of the indoor heat exchanger 11 1. After performing heat exchange with the refrigerant passing through the inside of each compartment, the air is discharged from the outlet 176 into the room.
• Part of the indoor air introduced from the upper surface suction port 17 1 passes through the fifth partition 15 5 of the indoor heat exchanger 11 from the back side, and further passes through the fourth partition 15 4 After exchanging heat with the refrigerant passing through the inside of each compartment, it is discharged into the room from outlet 176.
• the damper 16 1 When performing the humidification operation, as shown in Fig. 5, the damper 16 1 is opened, the reversing valve is controlled to a reduced pressure, and the fifth compartment 15 5 of the indoor heat exchanger 11 is used as an evaporator.
• the first partition 15 1 to the fourth partition 15 4 function as a condenser.
• the fan motor 164 drives the exhaust fan 163 provided in the cooling / drying air exhaust path 162 to discharge part of the air introduced into the indoor unit 2 to the room. Be configured as follows.
• the indoor air introduced from the front inlet 17 2 passes through the dust filter 17 3 and then passes through the indoor heat exchanger 1 After passing through the second partition 15 2 and the third partition 15 3, and exchanging heat with the refrigerant passing through the inside of each partition, the air is discharged from the outlet 176 into the room.
• the indoor air introduced from the upper surface suction port 17 1 passes through the dustproof filter 17 3 and then passes through the first partition section 15 1 and the fourth partition section 15 4 of the indoor heat exchanger 11. After performing heat exchange with the refrigerant passing through the interior of each compartment, the air is discharged from the outlet 176 into the room.
• Part of the room air introduced from the upper surface suction port 1 7 1 is supplied to the fifth section of the indoor heat exchanger 11 1 by the air flow from the cooling fan 16 3 provided in the cooling and drying air exhaust path 16 2. After passing through the section 155 and performing heat exchange with the refrigerant passing through the inside of the fifth partition section 155, it is guided to the cooling / drying air exhaust path 162 and discharged outside the room.
• the fifth partition part 15 5 of the indoor heat exchanger 11 is functioning as an evaporator, and the moisture contained in the introduced indoor air is a heat transfer tube and a fifth part that forms the fifth partition part 55. And condensed water on the outer surface of fins. As a result, the air after passing through the fifth compartment 155 is dehumidified to be cooled and dried air.
• the fifth partition part 1555 of the indoor heat exchanger 11 is arranged in the vicinity of or in contact with the middle part of the fourth partition part 154, and the heat transfer tubes and Condensed water adhering to the outer surface of the fin is guided on the outer surface of the fin and reaches the outer surface of the fourth compartment 154.
• the fourth partition part 15 4 of the indoor heat exchanger 11 functions as a condenser, it heats the indoor air introduced from the upper suction port 17 1, and also has the fifth partition part.
• the dew water guided from 155 will be heated to generate humidified air. Therefore, the moisture contained in the indoor air is extracted in the fifth compartment 155 of the indoor heat exchanger 11, and the air passing through the fourth compartment 154 can be used as humidified air.
• the cooling and drying air that has passed through the fifth partitioning section 1555 of the indoor heat exchanger 11 is discharged outside the room by the cooling and drying air exhaust path 162, so that the humidification efficiency can be improved.
• the first partition 181, the second partition 182, the third partition 183, the fourth partition 1884, the fifth partition 1 The indoor heat exchanger 11 equipped with 85 is used.
• the first partition 18 1 is located at the upper front of the indoor unit 2
• the second partition 18 2 is located at the center of the front of the indoor unit 2
• the third partition 18 3 is located at the lower front. It is arranged to be located.
• the fourth partition part 1884 and the fifth partition part 185 are arranged so as to be located above the rear part of the indoor unit 2.
• the fifth partition 185 is located above the fourth partition 184, and the dew condensation adhering to the outer surface of the heat transfer tube fin of the fifth partition 185 is located.
• the lower end of the fifth partition 185 and the upper end of the fourth partition 184 overlap so that water is guided to the fourth partition 154.
• the refrigerant path of the first partition 18 1 to the fourth partition 18 4 and the refrigerant path of the fifth partition 18 5 are composed of an electric expansion valve or the like. Connected by a reversible valve (not shown).
• the indoor unit 2 is provided with an upper suction port 17 1 and a front suction port 17 2 for introducing indoor air into the main body casing that houses the internal mechanism, and the upper suction port 17 1 and the front suction port.
• a dust-proof filter 1 7 3 for removing foreign substances in the air sucked from 1 7 2 is installed.
• the first heat exchanger 18, the second heat exchanger 181, the second heat exchanger 182, and the third heat exchanger 183 are located below each heat exchanger.
• a first drain pan 174 is provided for receiving the dew condensation water generated in the area.
• the interior of the indoor unit 2 is located below the fourth partition 184 and the fifth partition 185 of the indoor heat exchanger 11 to receive dew water generated in each partition.
• a second drain pan 175 is provided.
• a cross-flow fan 12 for introducing indoor air and generating an air flow for supplying the air after the heat exchange by the indoor heat exchanger 11 to the room.
• An outlet 176 for blowing out the air into the room is provided.
• the outlet 176 has a position where the mixed dry air after passing through the first compartment 18 1 to the third compartment 18 3 and the fifth compartment 18 5 of the indoor heat exchanger 11 passes.
• a second vertical flap 192 located at a position through which the heated humidified air after passing through the fourth partitioning section 18 4 passes. I have.
• the first vertical flap 19 1 and the second vertical flap 19 2 are at the same position and set to the blowing direction desired by the user or the blowing direction automatically determined by the device. .
• all of the first partition 18 1 to the fifth partition 18 5 function the same as the evaporator or the condenser. It is configured to As a result, normal heating operation or cooling operation (or dry mode operation) can be performed.
• the reversing valve When performing the humidification operation, the reversing valve is controlled to a reduced pressure state, and the fifth partition section 18 5 of the indoor heat exchanger 11 functions as an evaporator, and the first partition section 18 1 to the fourth partition section 1 Make 8 4 function as a condenser.
• the indoor air introduced from the front suction port 17 2 passes through the dust filter 17 3 and then passes through the indoor heat exchanger 1 After passing through the second partition 182 and the third partition 183 of 1, and exchanging heat with the refrigerant passing through the inside of each partition, it is discharged from the outlet 176 into the room.
• the indoor air introduced from the upper surface inlet 17 1 passes through the dustproof filter 17 3, passes through the first partition 18 1 of the indoor heat exchanger 11 1, and passes through the inside of the first partition. After exchanging heat with the refrigerant, it is discharged into the room from the outlet 176.
• Part of the room air introduced from the upper surface suction port 17 1 passes through the fifth section 18 5 of the indoor heat exchanger 11 1 and exchanges heat with the refrigerant passing through the inside of the 5 section 18 5. After that, it is discharged into the room from the outlet 176.
• the fifth partition part 1885 of the indoor heat exchanger 11 functions as an evaporator, and the moisture contained in the introduced indoor air forms a heat transfer tube and a fifth partition part 1885. And condensed water on the outer surface of fins. As a result, the air that has passed through the fifth compartment 155 is dehumidified to be cooled and dried air.
• the lower end of the fifth partition section 1885 of the indoor heat exchanger 11 is arranged so as to overlap the upper end of the fourth partition section 1554, and the heat transfer tubes and fins of the fifth partition section 1885 are arranged. Condensed water adhering to the outer surface of the fin is guided along the outer surface of the fin and reaches the outer surface of the fourth partitioning section 184.
• the fourth partition section 18 4 of the indoor heat exchanger 11 functions as a condenser, it heats the indoor air introduced from the upper inlet 17 1 85
• the dew water guided from 5 is heated to generate humidified air. Therefore, the moisture contained in the indoor air can be extracted in the fifth partition 185 of the indoor heat exchanger 11 and the air passing through the fourth partition 184 can be used as humidified air.
• the heating and drying air after passing through the first compartment 18 1 to the third compartment 18 3 of the container 11 is mixed with the cooling and drying air after passing through the fifth compartment 18 5 Exhausted into the room as dry air.
• the fourth partition 184 of the indoor heat exchanger 11 the air is discharged into the room as heating humidified air to which the moisture extracted as dew water has been added in the fifth partition 185. Is done.
• the blowing direction is different between the first vertical flap 19 1 provided at the position where the mixed dry air passes and the second vertical flap 19 2 provided at the position where the heating humidified air passes. It is possible to set to be in the direction. For example, as shown in Fig. 7, the direction of the second vertical flap 192 is set so that the heating and humidifying air is blown out to the central area of the room where people exist, and the surrounding area where walls and glass windows exist. It can be controlled to set the direction of the second vertical flap 191 so that mixed dry air is blown out to the area.
• the humidifying effect that a human can experience can be enhanced by setting the area where a person is present as the humidifying area WA, and the wall ⁇
• the drying area DA can be set at a position where condensation easily occurs, such as a lath window, and the efficiency of humidification can be increased and the generation of mold can be suppressed.
• the blowing direction of the first vertical flaps 19 1 and the second vertical flaps 19 2 can also be configured so that they can be set with a remote control. It is also possible to send out the heating humidified air in the direction where the air exists.
• the indoor unit 2 employed in the fourth embodiment has substantially the same configuration as the indoor unit 2 used in the third embodiment.
• the first partition 181, the second partition 182, the third partition 183, the fourth partition 1884, and the fifth partition 1885 Use indoor heat exchanger 1 1 provided.
• the first partition 18 1 is located at the upper front of the indoor unit 2
• the second partition 18 2 is located at the center of the front of the indoor unit 2
• the third partition 18 3 is located at the lower front. It is arranged to be located.
• the fourth partitioning section 1884 and the fifth partitioning section 185 are arranged so as to be located above the rear part of the indoor unit 2.
• the fifth partition 185 is disposed above the fourth partition 184, and the dew condensation water adhering to the outer surfaces of the heat transfer tubes and the fins of the fifth partition 185 is removed.
• the lower end of the fifth partition 185 and the upper end of the fourth partition 184 overlap so as to be guided by the fourth partition 154.
• the fifth partition section 1885 forms the first heat exchange section 14 (see FIG. 2), and the first partition section 181 to the fourth partition section.
• Reference numeral 1884 constitutes the second heat exchange section 15 (see FIG. 2), and the refrigerant passages of the first division section 18 1 to the fourth division section 18 4 and the fifth division section 18 5
• the refrigerant path is connected by a reversible valve (not shown) such as an electric expansion valve.
• the indoor unit 2 is provided with an upper suction port 17 1 and a front suction port 17 2 for introducing indoor air into the main body casing that houses the internal mechanism, and the upper suction port 17 1 and the front suction port.
• a dust-proof filter 1 7 3 for removing foreign substances in the air sucked from 1 7 2 is installed.
• the first heat exchanger 18, the second heat exchanger 181, the second heat exchanger 182, and the third heat exchanger 183 are located below each heat exchanger.
• Receiving dew condensation A first drain pan 174 is provided for draining. Further, inside the indoor unit 2, the dew condensation water generated in each of the compartments is located below the fourth compartment 184 and the fifth compartment 185 of the indoor heat exchanger 11.
• a second drain pan 175 is provided for receiving.
• a cross-flow fan 12 for introducing indoor air and generating an air flow for supplying the air after the heat exchange by the indoor heat exchanger 11 to the room.
• an outlet 176 for blowing out the air after heat exchange into the indoor heat exchanger 11 into the room is provided.
• the outlet 176 passes through the first and second compartments 18 1 to 18 3 of the indoor heat exchanger 11, and then passes through the fifth compartment 18 5
• the first horizontal flap 1 95 and the second horizontal flap 1 that guide the heated and humidified air after passing through the fourth compartment 18 4 to the predetermined area vertically located in the room, respectively 96 are provided.
• the first horizontal flap 195 and the second horizontal flap 196 are set to the blowing direction desired by the user or the blowing direction automatically determined by the device according to the operating conditions. .
• all of the first partition 18 1 to the fifth partition 18 5 function the same as the evaporator or the condenser. It is configured to As a result, normal heating operation or cooling operation (or dry mode operation) can be performed.
• the reversing valve When performing the humidification operation, the reversing valve is controlled to a reduced pressure state, and the fifth partition section 18 5 of the indoor heat exchanger 11 functions as an evaporator, and the first partition section 18 1 to the fourth partition section 1 Make 8 4 function as a condenser.
• the indoor air introduced from the front suction port 17 2 passes through the dust filter 17 3 and then passes through the indoor heat exchanger 1 After passing through the second partition 182 and the third partition 183 of 1, and exchanging heat with the refrigerant passing through the inside of each partition, it is discharged from the outlet 176 into the room.
• the indoor air introduced from the upper surface inlet 17 1 passes through the dustproof filter 17 3, passes through the first partition 18 1 of the indoor heat exchanger 11 1, and passes through the inside of the first partition. You After exchanging heat with the refrigerant, it is discharged into the room from the outlet 176.
• Part of the room air introduced from the upper surface suction port 17 1 passes through the fifth section 18 5 of the indoor heat exchanger 11 1 and exchanges heat with the refrigerant passing through the inside of the 5 section 18 5. After that, it is discharged into the room from the outlet 176.
• the fifth partition part 1885 of the indoor heat exchanger 11 functions as an evaporator, and the moisture contained in the introduced indoor air forms a heat transfer tube and a fifth partition part 1885. And condensed water on the outer surface of fins. As a result, the air after passing through the fifth compartment 155 is dehumidified to be cooled and dried air.
• the lower end of the fifth section 1885 of the indoor heat exchanger 11 is placed so as to overlap with the upper end of the fourth section 154. ⁇ Condensation water adhering to the outer surface of the fin is guided on the outer surface of the fin and reaches the outer surface of the fourth partitioning section 184.
• the fourth partition section 18 4 of the indoor heat exchanger 11 functions as a condenser, it heats the indoor air introduced from the upper inlet 17 1 85 Condensed water guided from 5 will be heated to generate humidified air. Therefore, the moisture contained in the indoor air can be extracted in the fifth partition 185 of the indoor heat exchanger 11 and the air passing through the fourth partition 184 can be humidified air.
• a bed B is installed in the lower area of the room R, and when humidified air is sent to a person sleeping on the bed B, as described above,
• the 1 horizontal flap 1 95 and the 2nd horizontal flap 1 96 are controlled so that the heating humidified air is blown out to the lower area of the room R.
• the heating and drying air after passing through the first compartment 18 1 to the third compartment 18 3 of the indoor heat exchanger 11 and the cooling and drying air after passing through the fifth compartment 18 5 are mixed.
• the slightly warm and dry air that was Since it functions to hold down the heating humidified air after passing through it suppresses the heating humidified air from rising to the upper area of the room R. Therefore, it is possible to form the humidification area WA by the heating humidification air in the lower area of the room R, and to form the drying area DA by the slightly warm drying air in the upper area of the room R.
• first horizontal flap 1 95 and the second horizontal flap 1 96 it is possible to use a configuration with one horizontal flap or a configuration with three or more horizontal flaps.
• the configuration is not limited to the embodiment as long as the configuration is such that the air and the humidified air are sent to different areas in the room R.
• the pressure control mechanism is controlled such that the first heat exchanger of the indoor heat exchanger functions as an evaporator and the second heat exchanger functions as a condenser. If the dew water adhering to the outer surface of the first heat exchanger is guided to the vicinity of the outer surface of the second heat exchanger, the heating air exchanged in the second The refrigerant evaporates the water to humidify the heating air, which makes it possible to supply humidified air to the room.
• dew condensation water adhering to the outer surface of the first heat exchanger is efficiently guided to the vicinity of the outer surface of the second heat exchanger by the radiation fins of the indoor heat exchanger. It is possible.
• the humidified air after passing through the indoor heat exchanger Since air can be supplied into the room and dry air can be discharged outside the room, the humidifying effect can be enhanced.
• the heating and humidifying air is set to be guided to an area below the center of the room where the person is present, and the dry air is supplied to the peripheral part where the wall surface and the window glass are present.
• the humidifying effect that humans can experience can be enhanced, and dew condensation hardly occurs on walls and window glass, and humidifying efficiency can be improved.
• the vertical flap is adjusted so that the heating and humidifying airflow is set to be in front of the air conditioner.
• the dry air flow so that it spreads right and left from the air conditioner, humidified air can be efficiently supplied to places where humans are present, and extraneous The supply of humidity can be suppressed.
• the dry air flow contains the cooling and dry air that has passed through the first heat exchange section, and the heating and humidifying air is held down, whereby the indoor air is suppressed. Area can be humidified. Therefore, it is possible to enhance the humidifying effect on a person located near the floor, and to perform an effective humidifying operation when performing the air-conditioning operation at bedtime.
• the heating and humidifying airflow can be more effectively suppressed by the cooling and drying airflow, the humidifying effect on the lower region in the room can be further enhanced.
• the cooling and drying air is mixed with the heating and drying air and discharged as a slightly warm and drying air flow, the temperature difference between the cooling and drying air and the heating and humidifying air is small. The feeling of discomfort is reduced even when contacting the warm and dry air flow. Since the heating and humidifying air can be suppressed by the weakly warm and dry airflow, it is possible to enhance the caro-humidifying effect in the lower part of the room.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
• Air Humidification (AREA)
• Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

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• 2001
  • 2001-10-26 JP JP2001328983A patent/JP3731113B2/ja not_active Expired - Fee Related
• 2002
  • 2002-09-26 CN CNB028211596A patent/CN1270133C/zh not_active Expired - Fee Related
  • 2002-09-26 AU AU2002332328A patent/AU2002332328B2/en not_active Ceased
  • 2002-09-26 WO PCT/JP2002/009986 patent/WO2003036179A1/ja active IP Right Grant
  • 2002-09-26 EP EP02768098A patent/EP1445548A4/en not_active Withdrawn
  • 2002-09-26 KR KR1020047005827A patent/KR100569548B1/ko not_active IP Right Cessation

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