WO2019198255A1 - Climatiseur - Google Patents

Climatiseur Download PDF

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Publication number
WO2019198255A1
WO2019198255A1 PCT/JP2018/027265 JP2018027265W WO2019198255A1 WO 2019198255 A1 WO2019198255 A1 WO 2019198255A1 JP 2018027265 W JP2018027265 W JP 2018027265W WO 2019198255 A1 WO2019198255 A1 WO 2019198255A1
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WO
WIPO (PCT)
Prior art keywords
air
heat exchange
heat exchanger
air conditioner
outdoor
Prior art date
Application number
PCT/JP2018/027265
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English (en)
Japanese (ja)
Inventor
一貴 相馬
Original Assignee
株式会社セオコーポレーション
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Filing date
Publication date
Application filed by 株式会社セオコーポレーション filed Critical 株式会社セオコーポレーション
Publication of WO2019198255A1 publication Critical patent/WO2019198255A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • 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
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/028—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by air supply means, e.g. fan casings, internal dampers or ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate

Definitions

  • the present invention relates to an air conditioner.
  • Some conventional air conditioners include an outdoor unit and an indoor unit, and form a refrigerant circuit in which the heat exchanger of the outdoor unit and the heat exchanger of the indoor unit are connected by a refrigerant pipe.
  • the refrigerant compressed by the compressor is cooled and condensed by heat exchange with the outside air in the outdoor unit heat exchanger, expanded by an expansion valve, and the cooled refrigerant is supplied to the indoor unit heat exchanger And cool the indoor air.
  • the refrigerant that has been made low by the expansion valve is evaporated by heat exchange with the outside air in the heat exchanger of the outdoor unit, the refrigerant compressed by the compressor is supplied to the heat exchanger of the indoor unit, and the indoor air is Heat up.
  • the outdoor unit uses the outside air to condense or evaporate the refrigerant, the heat exchange efficiency is affected by the outside air temperature.
  • the outside air temperature may vary greatly depending on conditions such as region and season, and it may be difficult to obtain stable air conditioning performance with a conventional air conditioner.
  • An object of the present invention is to solve at least one of the problems described above.
  • the outdoor heat exchange section in which the first heat exchanger is disposed the indoor heat exchange section in which the second heat exchanger is disposed, and the mixed air by mixing the inside air and the outside air
  • an air-fuel mixture supply unit that supplies the outdoor heat exchange unit to the air-conditioning unit.
  • an outdoor heat exchange section in which a first heat exchanger is arranged, an indoor heat exchange section in which a second heat exchanger is arranged, the outdoor heat exchange section and the room
  • An air conditioner provided with a structure for supplying a part of the air in the indoor heat exchange section to the outdoor heat exchange section.
  • FIG. 1 is a perspective view of an air conditioner according to a first embodiment of the present invention. It is a front view of an air conditioner. It is a side view of the state which removed the side panel of the air conditioner. It is a refrigerant circuit diagram of an air conditioner. It is a front view of the air conditioner which concerns on 2nd Embodiment. It is a side view of the state which removed the side panel of the air conditioner.
  • An installation example of an air conditioner is shown in a bird's-eye view as seen from inside the building.
  • An installation example of an air conditioner is shown in a bird's eye view from the outside of the building. It is the front view and sectional drawing of the partition which provided the permeable membrane.
  • FIG. 1 is a perspective view of an air conditioner according to an embodiment of the present invention.
  • FIG. 2 is a front view of the air conditioner.
  • FIG. 3 is a side view of the air conditioner with a side panel removed.
  • FIG. 4 is a refrigerant circuit diagram of the air conditioner.
  • the air conditioner 1 includes an outdoor heat exchange unit 100, an indoor heat exchange unit 200, an air-fuel mixture supply unit 300, a front panel 3, a rear panel 4, and a top plate (not shown). ). Moreover, the air conditioner 1 is provided with the control apparatus 315 (FIG. 4) which controls each part. The control device 315 holds a program for controlling each part of the air conditioner 1 and controls the air conditioner 1 by executing this program.
  • the front panel 3 is integrally provided with one side panel.
  • the rear panel 4 is integrally provided with the other side panel.
  • the outdoor heat exchange unit 100 and the indoor heat exchange unit 200 are partitioned by the partition wall 2.
  • the partition wall 2 partitions between the outdoor heat exchange unit 100 and the indoor heat exchange unit 200 and insulates the two from each other.
  • the front panel 3 is provided with a suction port 31, an air outlet 32, and an inspection lid 33
  • the rear panel 4 is provided with a suction port 41 and an exhaust port 42.
  • Filters 31a, 32a, and 41a are provided at the suction port 31, the blower port 32, and the suction port 41, respectively.
  • an outdoor heat exchanger 101, a ventilation fan 102, and a permeable membrane 104 are disposed in the outdoor heat exchange unit 100.
  • a drain pan 103 is disposed below the outdoor heat exchanger 101.
  • an indoor heat exchanger 201 and a ventilation fan 202 are arranged in the indoor heat exchange unit 200.
  • a drain pan 203 is disposed below the indoor heat exchanger 201. The drain pan 203 is connected to the suction side of the drain pump 314 via a pipe, and the discharge side of the drain pump 314 is connected to a pipe extending to above the osmotic membrane 104.
  • the outdoor heat exchanger 101 and the indoor heat exchanger 201 are connected by refrigerant piping, and constitute a refrigerant circuit (FIG. 4).
  • One end of the outdoor heat exchanger 101 and one end of the indoor heat exchanger 201 are connected via an expansion valve 312.
  • the other end of the outdoor heat exchanger 101 and the other end of the indoor heat exchanger 201 are connected via a four-way valve (four-way switching valve) 313 and a compressor 310.
  • the outdoor heat exchanger 101 functions as a condenser or an evaporator that exchanges heat between the refrigerant in the outdoor heat exchanger 101 and the outside air according to switching of the four-way valve 313.
  • the indoor heat exchanger 201 functions as an evaporator or a condenser that exchanges heat between the refrigerant in the indoor heat exchanger 201 and the inside air (indoor air) in accordance with the switching of the four-way valve 313.
  • the four-way valve 313 is, for example, an electromagnetic valve.
  • the four-way valve 313 and the compressor 310 are controlled by the control device 315.
  • FIG. 4 shows the refrigerant circuit in a state of the four-way valve 313 during cooling.
  • the suction side of the compressor 310 is connected to the indoor side heat exchanger 201, and the discharge side of the compressor 310 is connected to the outdoor side heat exchanger 101.
  • the refrigerant that has been compressed by the compressor 310 and has become high temperature is condensed by the outside air in the outdoor heat exchanger 101, expanded by the expansion valve 312, becomes low temperature, and then supplied to the indoor heat exchanger 201. Is done.
  • the refrigerant is vaporized by the indoor air and cools the indoor air.
  • the four-way valve 313 is switched so that the suction side of the compressor 310 is connected to the outdoor heat exchanger 101 and the discharge side of the compressor 310 is connected to the indoor heat exchanger 201.
  • the refrigerant which has been expanded by the expansion valve 312 and has become a low temperature is vaporized by the outside air in the outdoor heat exchanger 101 and is compressed by the compressor 310 to become a high temperature, and then supplied to the indoor heat exchanger 201. Is done.
  • heat is released and condensed on the suction side of the compressor 310, and the room is heated.
  • the outside air that exchanges heat with each heat exchanger may partially include inside air
  • the inside air that exchanges heat with each heat exchanger may partially include outside air.
  • the ventilation fan 102 is disposed in the vicinity of the exhaust port 42 that opens to the outside, and exhausts the air that has passed through the outdoor heat exchanger 101 from the exhaust port 42.
  • the ventilation fan 202 is disposed in the vicinity of the air outlet 32 that opens to the room, and exhausts air that has passed through the indoor heat exchanger 201 from the exhaust port 42.
  • the ventilation fans 102 and 202 are controlled by the control device 315.
  • the osmotic membrane 104 is disposed in the vicinity of the outdoor heat exchanger 101, and lowers the ambient air temperature by vaporizing the condensed water supplied from the drain pump 314 during cooling. It has a function. Thereby, the permeable membrane 104 can assist the condensation of the refrigerant in the outdoor heat exchanger 101 and improve the heat exchange efficiency in the outdoor heat exchanger 101.
  • the drain pump 314 has a suction side connected to a drain pan 203 on the indoor side via a pipe, and a discharge side connected to a pipe extending above the permeable membrane 104. Moisture in the air condensed by the indoor heat exchanger 201 during cooling is accumulated in the drain pan 203, and this condensed water is supplied to the osmotic membrane 104 by the drain pump 314.
  • an air-fuel mixture supply unit 300 is provided below the indoor side heat exchange unit 200 and the outdoor side exchange unit 100.
  • the air-fuel mixture supply unit 300 is provided with an air supply fan 301 and a split damper 302.
  • the space on the outdoor heat exchange unit 100 side is an outdoor mixing unit 300a
  • the space on the indoor heat exchange unit 200 side is It becomes the indoor side mixing part 300b.
  • the supply fan 301 sucks the inside air A2 that is a part of the inside air A sucked from the suction port 31 and the outside air B2 that is a part of the outside air B sucked from the suction port 41, and discharges them toward the split damper 302. To do.
  • the angle of the split damper 302 can be adjusted by the damper motor 303, and the outdoor mixing unit 300a and the indoor mixing unit are mixed with air discharged from the air supply fan 301 at a predetermined ratio according to the angle. Distribute and supply to 300b.
  • the air (a part of the internal air A2 and the external air B2) discharged from the air supply fan 301 and distributed by the split damper 302 is mixed with the external air B1, and the air-fuel mixture including the internal air and the external air is mixed. It is supplied to the outdoor heat exchange unit 100.
  • the air (a part of the internal air A2 and the external air B2) discharged from the air supply fan 301 and distributed by the split damper 302 and the internal air A1 are mixed, and the air-fuel mixture including the internal air and the external air is generated. It is supplied to the outdoor heat exchange unit 100.
  • the angle of the split damper 302 is adjusted when the damper motor 303 is controlled by the control device 315. As the split damper 302 tilts toward the indoor mixing unit 300b, the amount of air flowing from the air supply fan 301 into the indoor mixing unit 300b decreases, and the amount of air flowing into the outdoor mixing unit 300a increases. As the split damper 302 is inclined toward the outdoor mixing unit 300a, the amount of air flowing from the air supply fan 301 into the outdoor mixing unit 300a decreases, and the amount of air flowing into the indoor mixing unit 300b increases.
  • the air supply fan 301 is controlled by the control device 315. As the air volume of the air supply fan 301 is increased, the proportion of the inside air A2 that is sucked into the air supply fan 301 in the inside air A increases. As a result, the ratio of the inside air supplied to the outdoor heat exchange unit 100 increases. As the air volume of the air supply fan 301 is increased, the ratio of the outside air B2 sucked into the air supply fan 301 in the outside air B increases. As a result, the ratio of outside air supplied to the indoor heat exchange unit 200 increases.
  • the ratio of the inside air A1 that is directly sucked into the indoor mixing unit 300b without being sucked into the air supply fan 301 in the inside air A increases.
  • the proportion of the outside air B1 that is directly introduced into the outdoor mixing unit 300a without being sucked into the supply fan 301 in the outside air B increases.
  • the control device 315 by controlling the air volume of the ventilation fans 102 and 202 and the air supply fan 301 and the angle of the split damper 302 by the control device 315, the ratio of the inside air introduced into the outdoor heat exchanger 100, And / or the ratio of the outside air introduced into the indoor heat exchange unit 200 can be controlled. Thereby, the heat exchange efficiency in an outdoor side heat exchanger and / or an indoor side heat exchanger can be optimized.
  • FIG. 11 is a flowchart of an example of temperature control of the air-fuel mixture.
  • the temperature of the air-fuel mixture in the outdoor-side mixing unit 300a is detected (S10), and the temperature difference between the target temperature of the air-fuel mixture to be supplied to the outdoor-side heat exchange unit 100 and the detected temperature of the air-fuel mixture and the target temperature. Is calculated (S20), and the angle of the split damper 302 is adjusted so that the temperature difference falls within a predetermined range (or becomes zero) (S30, S40).
  • S30 it is determined whether or not the temperature difference (or the absolute value of the temperature difference) is less than a predetermined threshold value.
  • the process proceeds to S40. Then, the angle of the split damper 302 is adjusted, and the process returns to S10. The processes of S10 to S40 are repeated until the temperature difference (or the absolute value of the temperature difference) becomes less than a predetermined threshold value. On the other hand, if it is less than the predetermined threshold value in S30, the process returns to S10 without going through S40.
  • the angle of the split damper 302 is adjusted so that the amount of internal air introduced into the outdoor mixing unit 300a increases as the detected temperature of the air-fuel mixture becomes farther from the target temperature.
  • the introduction amount of the inside air adjusted to a low temperature is adjusted so that the detected temperature of the air-fuel mixture approaches the target temperature, and at the time of heating, the introduction amount of the warm air is adjusted.
  • the target temperature of the air-fuel mixture is determined in advance and stored in the control device 315 so that the heat exchange efficiency of the outdoor heat exchanger 101 becomes a desired value according to the compression ratio of the compressor 310, or the like. Alternatively, it is obtained by calculation during operation of the air conditioner 1.
  • the outside air B sucked from the suction port 41 is divided into the outside air B ⁇ b> 1 directly introduced into the outdoor side mixing unit 300 a by the ventilation fan 102 and the outside air B ⁇ b> 2 sucked into the air supply fan 301.
  • the inside air A sucked from the suction port 31 is divided into an inside air A1 that is directly introduced into the indoor-side mixing unit 300b by the ventilation fan 202 and an inside air A2 that is sucked into the air supply fan 301.
  • the outdoor air B1 is discharged from the air supply fan 301 and mixed with the air-fuel mixture (first portion of the external air B2 and the internal air A2) distributed by the split damper 302 in the outdoor-side mixing unit 300a, and then the outdoor-side heat exchange unit.
  • 100 outdoor heat exchangers 101 are supplied.
  • the inside air A1 is discharged from the air supply fan 301 and mixed with the air-fuel mixture distributed by the split damper 302 (the second portion of the outside air B2 and the inside air A2) in the mixing unit 300b, and then the inside air heat exchange unit 200 It is supplied to the indoor heat exchanger 201.
  • an arrow C indicates air after the temperature is adjusted by the indoor heat exchanger 201
  • an arrow D indicates exhaust after passing through the outdoor heat exchanger 101.
  • the heat exchange efficiency in the outdoor heat exchanger 101 can be improved. it can.
  • a part of the air cooled in the indoor heat exchanger 201 is mixed with the outside air and supplied to the outdoor heat exchanger 101 to efficiently condense the refrigerant in the outdoor heat exchanger 101. be able to.
  • a part of the air heated by the indoor heat exchanger 201 is mixed with the outside air and supplied to the outdoor heat exchanger 101, whereby the refrigerant in the outdoor heat exchanger 101 can be efficiently evaporated. it can.
  • the temperature of the air blown to the outdoor heat exchanger can be suppressed to a lower temperature or higher temperature, and the outdoor heat exchanger can be suppressed to a higher temperature region or It can be used in colder areas.
  • heat exchange efficiency can be improved by performing heat exchange in the outdoor heat exchanger using exhaust air generated by ventilation.
  • the outdoor and indoor heat exchangers are integrated into an integrated type, so that the outdoor unit is not required, and the work associated with the installation of the outdoor unit is also unnecessary.
  • FIG. 5 is a front view of the air conditioner according to the second embodiment. It is a side view of the state which removed the side panel of the air conditioner.
  • a suction port 34 is further provided in the inspection lid 33 between the suction port 31 and the blower outlet 32.
  • a filter 34 a is provided at the suction port 34.
  • the suction port 34 faces the indoor heat exchanger 201. According to this embodiment, since the inside air is directly taken into the indoor side heat exchanger 201 from the suction port 34 in the vicinity of the indoor side heat exchanger 201, a sufficient supply amount of the inside air to the indoor side heat exchanger 201 is ensured. be able to.
  • FIG. 7 shows a bird's-eye view of an air conditioner installation example as seen from inside the building.
  • FIG. 8 shows a bird's-eye view of an installation example of the air conditioner as seen from the outside of the building.
  • the air conditioner 1 is installed adjacent to a building wall 400.
  • ventilation openings 401 and 402 are formed on the wall 400 at positions (adjacent positions) corresponding to the suction port 41 and the exhaust port 42 of the rear panel 4, respectively. Then, the suction port 41 and the exhaust port 42 of the air conditioner 1 are connected to the outside through the ventilation ports 401 and 402.
  • louver is installed in each ventilation port 401 and 402, it is not necessary to provide a louver.
  • a single opening that covers the suction port 41 and the exhaust port 42 may be formed.
  • the air conditioner 1a is installed on the ceiling of the room, and the air inlet 41 and the exhaust port 42 of the air conditioner 1 are connected to the pipes 5a and 5b, the ventilation port 403, Via 404, it communicates with the outdoors. Also in this case, installation of piping can be suppressed to a minimum, and since it is not necessary to install an outdoor unit individually, the dimension of the whole air conditioner can be suppressed.
  • part or all of the partition wall 2 may be a permeable membrane that allows air to pass therethrough, and a part of the air in the indoor heat exchange section may be supplied to the outdoor heat exchange section.
  • the heat exchange efficiency of the outdoor heat exchanger can be further improved by supplying a part of the air in the indoor heat exchanger directly to the outdoor heat exchanger.
  • FIG. 9A, 9B, and 9C are a front view and a cross-sectional view of a partition wall provided with a permeable membrane.
  • an opening 20 is provided at one location of the partition wall 2 and a permeable membrane 21 is installed in the opening 20.
  • openings 20 are provided at a plurality of locations on the partition wall 2, and a permeable membrane 21 is provided in the openings 20.
  • the entire partition wall 2 is composed of a permeable membrane 21.
  • FIG. 10A is a cross-sectional view of a partition wall when a fan is provided.
  • one or a plurality of openings 20 are provided in a part of the partition wall 2, the fan 22 is installed in the opening 20, and a part of the air in the indoor heat exchange unit 200 is transferred to the outdoor side by the fan 22. You may make it supply to the heat exchange part 100.
  • FIG. In this case, the same effect as in (1) is achieved, and the amount of air supplied from the indoor heat exchange unit 200 to the outdoor heat exchange unit 100 is accurately controlled by controlling the fan 22 by the control device 315. be able to.
  • FIG. 10B is a cross-sectional view of a partition wall when a permeable membrane and a fan are provided.
  • the control device 315 By controlling the fan 22 with the control device 315 while suppressing the supply amount with the permeable membrane 21, the amount of air supplied from the indoor heat exchange unit 200 to the outdoor heat exchange unit 100 can be accurately controlled.
  • 10A and 10B only one opening 20 is shown, one or more openings 20 can be provided.
  • the air-fuel mixture supply unit 300 is omitted, only the outside air is introduced from the suction port 41 to the outdoor heat exchange unit 100, and the indoor side heat is transmitted from the suction port 31. Only the inside air may be introduced into the exchange unit 200.
  • the outdoor heat exchange part in which the first heat exchanger is arranged the indoor heat exchange part in which the second heat exchanger is arranged, and the mixture of the inside air and the outside air is used as the mixture.
  • an air conditioner including an air-fuel mixture supply unit that supplies an outdoor heat exchange unit.
  • heat exchange in the heat exchanger of the outdoor unit is performed using air whose temperature is adjusted indoors, so that the efficiency of heat exchange can be improved.
  • the air cooled in the room is mixed with the outside air and supplied to the outdoor heat exchanger, so the heat exchange efficiency is improved compared to the case where heat is exchanged only with high temperature outside air in the outdoor heat exchanger.
  • the air heated in the room is mixed with the outside air and supplied to the outdoor heat exchanger, so the heat exchange efficiency is improved compared to the case where heat is exchanged only with low temperature outside air in the outdoor heat exchanger.
  • the indoor air mixed with the outside air the air exhausted to the outside for ventilation can be used. According to this, both indoor ventilation and improvement in heat exchange efficiency can be achieved.
  • the mixture supply unit further supplies the mixture to the indoor heat exchange unit.
  • a part of the air-fuel mixture including the outside air can be supplied to the indoor side heat exchanging unit and further supplied into the room. Therefore, the air outside the room is exhausted to the room. Therefore, the room can be efficiently ventilated without separately providing a configuration for taking outside air into the room.
  • the mixture supply unit is disposed adjacent to at least one fan, the outdoor heat exchange unit, and the indoor heat exchange unit.
  • a split damper is disposed adjacent to at least one fan, the outdoor heat exchange unit, and the indoor heat exchange unit.
  • the inside air and the outside air can be sucked in by the fan, and the air from the fan can be efficiently distributed to the indoor heat exchanger and the outdoor heat exchanger by the split damper.
  • the ratio of the inside air introduced into the outdoor heat exchange unit is controlled by adjusting the air volume of the at least one fan and the angle of the split damper. .
  • the ratio of the inside air supplied to the outdoor heat exchanger can be adjusted, and the heat exchange efficiency in the outdoor heat exchanger can be optimized.
  • the outdoor heat exchange section and the indoor heat exchange section are partitioned by a partition, and the indoor heat
  • the structure which supplies a part of air of an exchange part to the said outdoor side heat exchange part is provided.
  • the heat exchange efficiency of the outdoor heat exchanger can be further improved by supplying a part of the air in the indoor heat exchange section directly to the outdoor heat exchange section.
  • the configuration to be supplied is a permeable membrane provided on a part or all of the partition wall.
  • the supply structure is a fan installed in an opening provided in the partition wall.
  • the amount of air supplied to the outdoor heat exchange unit can be accurately controlled by controlling the fan.
  • the air conditioner further includes a permeable membrane disposed in the outdoor heat exchange section, wherein the dew condensation water in the indoor heat exchange section is the Supplied to the osmotic membrane.
  • the heat exchange efficiency in the outdoor heat exchanger can be further improved by using condensed water.
  • the outdoor heat exchange section and the indoor heat exchange section are arranged adjacent to each other.
  • the outdoor heat exchange unit, the indoor heat exchange unit, and the air-fuel mixture supply unit are arranged in a common casing. ing.
  • the outdoor heat exchange section in which the first heat exchanger is arranged the indoor heat exchange section in which the second heat exchanger is arranged, the outdoor heat exchange section and the indoor heat
  • an air conditioner provided with a configuration for supplying a part of the air in the indoor heat exchange section to the outdoor heat exchange section.
  • heat exchange in the heat exchanger of the outdoor unit is performed using air whose temperature is adjusted indoors, so that the efficiency of heat exchange can be improved.
  • the air cooled in the room is mixed with the outside air and supplied to the outdoor heat exchanger, so the heat exchange efficiency is improved compared to the case where heat is exchanged only with high temperature outside air in the outdoor heat exchanger.
  • heat exchange efficiency is improved compared to the case where heat is exchanged only with high temperature outside air in the outdoor heat exchanger.
  • heat exchange efficiency is improved compared to the case where heat is exchanged only with low temperature outside air in the outdoor heat exchanger.
  • the indoor air mixed with the outside air the air exhausted to the outside for ventilation can be used. According to this, both indoor ventilation and improvement in heat exchange efficiency can be achieved.
  • the heat exchange efficiency of the outdoor heat exchanger can be improved by supplying a part of the air in the indoor heat exchanger directly to the outdoor heat exchanger.
  • JP 2006-029037 A The entire disclosure including the specification, claims, and abstract of JP 2006-029037 A is incorporated herein by reference in its entirety.
  • Outdoor side mixing part 300b Indoor side mixing part 310 .
  • Compressor 312 Expansion valve 313 .
  • Four-way valve 314 Drain pump 315 ...
  • Control apparatus 400 ... Wall 401, 402 , 403, 404 ... vents

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Abstract

La présente invention concerne un climatiseur ayant une efficacité d'échange de chaleur améliorée. Ce climatiseur est pourvu d'une section d'échange de chaleur extérieure dans laquelle un premier échangeur de chaleur est disposé, d'une section d'échange de chaleur intérieure dans laquelle un second échangeur de chaleur est disposé, et d'une section d'alimentation en air mélangé qui mélange l'air intérieur et l'air extérieur et fournit l'air mélangé à la section d'échange de chaleur extérieure.
PCT/JP2018/027265 2018-04-09 2018-07-20 Climatiseur WO2019198255A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-074540 2018-04-09
JP2018074540A JP6584572B1 (ja) 2018-04-09 2018-04-09 空気調和機

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WO2019198255A1 true WO2019198255A1 (fr) 2019-10-17

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CN110375390B (zh) * 2019-07-22 2020-06-30 珠海格力电器股份有限公司 一体式空调器及其控制方法
JPWO2021066044A1 (fr) 2019-10-04 2021-04-08
CN111750425B (zh) * 2020-05-18 2022-05-31 海信（山东）空调有限公司 一种室内空调器

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