WO2021169390A1 - Système de climatisation - Google Patents

Système de climatisation Download PDF

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Publication number
WO2021169390A1
WO2021169390A1 PCT/CN2020/126442 CN2020126442W WO2021169390A1 WO 2021169390 A1 WO2021169390 A1 WO 2021169390A1 CN 2020126442 W CN2020126442 W CN 2020126442W WO 2021169390 A1 WO2021169390 A1 WO 2021169390A1
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WO
WIPO (PCT)
Prior art keywords
dehumidification
heat exchanger
air
conditioning system
fresh air
Prior art date
Application number
PCT/CN2020/126442
Other languages
English (en)
Chinese (zh)
Inventor
李鹏
王建营
李小波
刘传锋
Original Assignee
青岛海尔空调电子有限公司
海尔智家股份有限公司
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Publication of WO2021169390A1 publication Critical patent/WO2021169390A1/fr

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0003Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/14Air-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/14Air-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
    • F24F3/1405Air-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 in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/16Air-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 purification, e.g. by filtering; by sterilisation; by ozonisation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat

Definitions

  • the invention belongs to the technical field of air conditioning, and specifically relates to an air conditioning system.
  • the existing fresh air dehumidification module and air conditioning system each need to use a compressor system.
  • the fresh air dehumidification module dehumidifies the outdoor fresh air and introduces it to the room, and the air conditioning pair is used to cool or heat the indoor air.
  • the use of a compressor system for the fresh air dehumidification module and the air conditioning system leads to higher indoor environmental adjustment costs, and the fresh air dehumidification module directs the dehumidified air into the room, reducing the effect of air conditioning on indoor temperature regulation.
  • the present invention provides an air-conditioning system.
  • An air conditioning system includes a compressor, an outdoor heat exchanger, a first throttling device, a second throttling device, an indoor heat exchanger, and a dehumidification module;
  • the dehumidification module includes a housing, a dehumidification fan, and a dehumidification evaporation
  • the housing is provided with a fresh air inlet and a fresh air outlet, the dehumidification evaporator is arranged in the housing, and the dehumidification fan drives outdoor fresh air from the fresh air inlet into the housing and passes through the dehumidification evaporator Then it is discharged from the fresh air outlet; during refrigeration, the refrigerant outlet of the compressor communicates with the first end of the outdoor heat exchanger, and the second end of the outdoor heat exchanger communicates with the indoor through the first throttling device.
  • the first end of the heat exchanger is in communication
  • the second end of the outdoor heat exchanger is in communication with the refrigerant inlet of the dehumidification evaporator through the second throttling device
  • the second end of the indoor heat exchanger is connected to the refrigerant inlet of the dehumidification evaporator.
  • the refrigerant outlets of the dehumidification evaporator are all communicated with the refrigerant inlet of the compressor.
  • the air-conditioning system further includes a four-way reversing valve; during refrigeration, the refrigerant outlet of the compressor is exchanged with the outdoor through the four-way reversing valve.
  • the first end of the heat exchanger is connected, and the refrigerant inlet of the compressor is communicated with the second end of the indoor heat exchanger through the four-way reversing valve; during heating, the refrigerant outlet of the compressor passes through the four
  • the two-way reversing valve communicates with the second end of the indoor heat exchanger, and the refrigerant inlet of the compressor communicates with the first end of the outdoor heat exchanger through the four-way reversing valve.
  • the dehumidification module further includes a dehumidification condenser, the dehumidification condenser is arranged in the housing, and outdoor fresh air enters the plant through the fresh air inlet during heating. Inside the shell, passing through the dehumidification evaporator and the dehumidification condenser, it flows out from the fresh air outlet.
  • the dehumidification evaporator is arranged close to the fresh air inlet, and the dehumidification condenser is arranged close to the fresh air outlet.
  • the first end of the dehumidification condenser is communicated with the first end of the dehumidification evaporator through the second throttling device, and the dehumidification condenser
  • the second end of the compressor is in communication with the refrigerant outlet of the compressor; the flow path between the second throttling device and the second end of the outdoor heat exchanger is also provided with a first on-off valve, the dehumidification and condensation
  • a second on-off valve is also provided in the flow path between the second end of the compressor and the refrigerant outlet of the compressor.
  • the indoor heat exchanger is arranged in the casing of the indoor unit of the air-conditioning system; the casing of the indoor unit is provided with a first air inlet and an air outlet,
  • the indoor fan of the air-conditioning system drives indoor air from the first air inlet to enter the indoor unit housing and exits from the air outlet after passing through the indoor heat exchanger;
  • the indoor unit housing is also provided with a second air inlet , The second air inlet is in communication with the air outlet, and the fresh air outlet is butted with the second air inlet.
  • a regulating valve is arranged between the fresh air outlet and the second air inlet of the air-conditioning system.
  • the dehumidification fan of the air-conditioning system is an axial fan; and/or, the indoor fan is a centrifugal fan.
  • the air conditioning system further includes a dust filter device which is arranged at the fresh air inlet; and/or, the dehumidification fan is arranged at the fresh air outlet.
  • the air-conditioning system further includes a gas-liquid separator; the refrigerant outlet of the gas-liquid separator is in communication with the refrigerant inlet of the compressor; and the dehumidification and evaporation
  • the refrigerant outlet of the air-liquid separator is communicated with the refrigerant inlet of the gas-liquid separator; during cooling, the second end of the indoor heat exchanger is communicated with the refrigerant inlet of the air-liquid separator.
  • the air conditioning system connects the refrigerant outlet of the compressor with the first end of the outdoor heat exchanger during cooling, and the second end of the outdoor heat exchanger is connected to the first end of the indoor heat exchanger through the first throttling device.
  • the second end of the outdoor heat exchanger communicates with the refrigerant inlet of the dehumidification evaporator through the second throttling device, and the second end of the indoor heat exchanger and the refrigerant outlet of the dehumidification evaporator are both communicated with the refrigerant inlet of the compressor. Therefore, the dehumidification module and the indoor heat exchanger in the air conditioning system share a compressor, which saves the production cost and occupied space of the air conditioner.
  • the dehumidification evaporator also cools the fresh air when dehumidifying in the refrigeration state, which is beneficial to Improve the indoor cooling effect, which in turn can enhance the user experience.
  • a dehumidification evaporator and a dehumidification condenser are simultaneously arranged in the housing of the dehumidification module.
  • the outdoor fresh air enters the housing from the fresh air inlet, and then passes through the dehumidification effect of the dehumidification evaporator. After being heated by the dehumidification condenser, it is discharged into the room from the fresh air outlet.
  • the dehumidification module dehumidifies and heats the fresh air and sends it into the room, which reduces the adverse effect of dehumidification on the indoor heating effect.
  • Figure 1 is a schematic diagram of the structure of the air conditioning system of this embodiment
  • FIG. 2 is a schematic diagram of the overall structure of the dehumidification module of this embodiment
  • Figure 3 is an exploded view of the dehumidification module of this embodiment.
  • the terms “installed”, “connected”, and “connected” should be understood in a broad sense. For example, they can be fixed or fixed. It is a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • installed e.g., they can be fixed or fixed. It is a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • the specific meaning of the above-mentioned terms in the present invention can be understood according to specific circumstances.
  • the air conditioning system includes a compressor 1, an outdoor heat exchanger 31, a first throttling device 61, a second throttling device 62, and indoor heat exchange
  • the dehumidification module 5 includes a housing 51, a dehumidification fan 52, and a dehumidification evaporator 53;
  • the housing 51 is provided with a fresh air inlet and a fresh air outlet, the dehumidification evaporator 53 is arranged in the housing 51, and the dehumidification fan 52 drives outdoor fresh air
  • the fresh air inlet enters the housing 51 and passes through the dehumidifier evaporator 53 and is discharged from the fresh air outlet; during refrigeration, the refrigerant outlet of the compressor 1 communicates with the first end of the outdoor heat exchanger 31, and the second end of the outdoor heat exchanger 31 passes through the first end of the outdoor heat exchanger 31.
  • the throttle device 61 communicates with the first end of the indoor heat exchanger 41, the second end of the outdoor heat exchanger 31 communicates with the refrigerant inlet of the dehumidification evaporator 53 through the second throttle device 62, and the first end of the indoor heat exchanger 41 Both ends and the refrigerant outlet of the dehumidifying evaporator 53 are in communication with the refrigerant inlet of the compressor 1.
  • the first throttling device 61 is used to adjust the flow of refrigerant between the outdoor heat exchanger 31 and the indoor heat exchanger 41
  • the second throttling device 62 is used to adjust the flow of refrigerant entering the dehumidification evaporator 53
  • the first The throttling device 61 and the second throttling device 62 can be selected as capillary tubes or electronic expansion valves.
  • the fresh air inlet of the dehumidification module 5 can be arranged outdoors, so that the outdoor fresh air enters the dehumidification module 5; the fresh air outlet of the dehumidification module 5 is connected to the room and is used to provide dehumidified fresh air to the room.
  • the outdoor fan 32 in the outdoor unit of the air conditioning system is driven to generate air flow, so that the outdoor heat exchanger 31 exchanges heat with the outdoor environment, so as to improve the heat exchange effect of the outdoor heat exchanger 31.
  • the air conditioning system communicates with the first end of the outdoor heat exchanger 31 through the refrigerant outlet of the compressor 1 during cooling, and the second end of the outdoor heat exchanger 31 exchanges with the indoor through the first throttling device 61
  • the first end of the heat exchanger 41 is in communication
  • the second end of the outdoor heat exchanger 31 is in communication with the refrigerant inlet of the dehumidification evaporator 53 through the second throttling device 62
  • the second end of the indoor heat exchanger 41 is connected to the dehumidification evaporator 53
  • the refrigerant outlets are all connected with the refrigerant inlet of the compressor 1.
  • the dehumidification module 5 in the air conditioning system and the indoor heat exchanger 41 share a compressor 1, which saves the production cost and space of the air conditioner, and the dehumidification evaporator 53 also cools the fresh air when dehumidifying in the refrigeration state. It is beneficial to improve the cooling effect in the room, thereby ensuring the user experience.
  • the air-conditioning system further includes a four-way reversing valve 8; during refrigeration, the refrigerant outlet of the compressor 1 is connected to the four-way reversing valve 8
  • the first end of the outdoor heat exchanger 31 is communicated, and the refrigerant inlet of the compressor 1 is communicated with the second end of the indoor heat exchanger 41 through the four-way reversing valve 8; the refrigerant outlet of the compressor 1 is commutated through the four-way during heating
  • the valve 8 communicates with the second end of the indoor heat exchanger 41, and the refrigerant inlet of the compressor 1 communicates with the first end of the outdoor heat exchanger 31 through the four-way reversing valve 8.
  • the air conditioner can switch between cooling and heating modes.
  • the refrigerant flows from the outdoor heat exchanger 31 (used as a condenser) to the indoor heat exchanger 41 (used as an evaporator); when the air conditioner is heating, the refrigerant flows from the indoor heat exchanger 41 (used as a condenser) to the outdoors Heat exchanger 31 (used as an evaporator).
  • the dehumidification module 5 further includes a dehumidification condenser 54 which is arranged in the housing 51 and is heated outdoors.
  • the fresh air enters the housing 51 from the fresh air inlet, passes through the dehumidification evaporator 53 and the dehumidification condenser 54 and then flows out from the fresh air outlet.
  • the air conditioner can switch between the cooling mode and the heating mode
  • the dehumidification evaporator 53 and the dehumidification condenser 54 are provided in the housing 51 of the dehumidification module 5 at the same time
  • the outdoor fresh air enters the housing through the fresh air inlet during heating.
  • 51 and after the dehumidification effect of the dehumidification evaporator 53 and the heating effect of the dehumidification condenser 54 are discharged into the room through the fresh air outlet.
  • the dehumidification module 5 dehumidifies and heats the fresh air before sending it into the room, which reduces the adverse effect of dehumidification on the indoor heating effect.
  • the dehumidification evaporator 53 is arranged close to the fresh air inlet, and the dehumidification condenser 54 is arranged close to the fresh air outlet.
  • the dehumidification module 5 when the dehumidification module 5 performs dehumidification in the case of air conditioning and refrigeration, the dehumidification evaporator 53 works, and the dehumidification condenser 54 does not work, and it also has the function of cooling and cooling while dehumidifying the fresh air.
  • the dehumidification evaporator 53 and the dehumidification condenser 54 work at the same time. After the outdoor fresh air enters the housing 51 from the fresh air inlet, it first undergoes the dehumidification effect of the dehumidification evaporator 53, and then dehumidification After the heating of the condenser 54 is discharged into the room through the fresh air outlet. In this way, the adverse effect of dehumidification on the indoor heating effect can be reduced more effectively.
  • the first end of the dehumidification condenser 54 is in communication with the first end of the dehumidification evaporator 53 through the second throttling device 62, and the second end of the dehumidification condenser 54 is The end is connected with the refrigerant outlet of the compressor 1; the flow path between the second throttling device 62 and the second end of the outdoor heat exchanger 31 is also provided with a first on-off valve 71, and the second end of the dehumidification condenser 54 is connected with A second on-off valve 72 is also provided in the flow path of the refrigerant outlet of the compressor 1.
  • the dehumidification module 5 performs dehumidification in the case of air conditioning and refrigeration
  • the first on-off valve 71 is opened and the second on-off valve 72 is closed.
  • the circulation route of the refrigerant is: compressor 1 ⁇ four-way change Directional valve 8 ⁇ outdoor heat exchanger 31 ⁇ first on-off valve 71 ⁇ second throttling device 62 ⁇ dehumidifier evaporator 53 ⁇ compressor 1;
  • the circulation route of the refrigerant is: compressor 1 ⁇ four-way exchange Directional valve 8 ⁇ outdoor heat exchanger 31 ⁇ first throttling device 61 ⁇ indoor heat exchanger 41 ⁇ four-way reversing valve 8 ⁇ compressor 1.
  • the dehumidification module 5 When the dehumidification module 5 performs dehumidification in the case of air conditioning and heating, the first on-off valve 71 is closed, and the second on-off valve 72 is opened.
  • the circulation route of the refrigerant is: compressor 1 ⁇ second on-off valve 72 ⁇ Dehumidification condenser 54 ⁇ Second throttling device 62 ⁇ Dehumidification evaporator 53 ⁇ Compressor 1;
  • the circulation route of the refrigerant is: compressor 1 ⁇ four-way reversing valve 8 ⁇ indoor heat exchanger 41 ⁇
  • the heating and cooling functions of the air conditioning system of this embodiment are switched through the switching of the four-way valve, while the switching of the dehumidification mode in the heating and cooling state is through the first on-off valve 71 and the second on-off valve.
  • the valve 72 is implemented, wherein the first on-off valve 71 and the second on-off valve 72 can be selected as solenoid valves to facilitate the control of the air-conditioning system.
  • the indoor heat exchanger 41 is arranged in the indoor unit casing 51 of the air-conditioning system; the indoor unit casing 51 is provided with a first air inlet And the air outlet, the indoor fan 42 of the air conditioning system drives the indoor air from the first air inlet to enter the indoor unit casing 51 and exits from the air outlet after passing through the indoor heat exchanger 41; the indoor unit casing 51 is also provided with a second air inlet, The second air inlet is connected with the air outlet, and the fresh air outlet is butted with the second air inlet.
  • indoor air enters the indoor unit housing 51 from the first air inlet to exchange heat with the indoor heat exchanger 41, and then is discharged into the room from the air outlet to adjust the indoor temperature.
  • the fresh air enters the indoor unit shell 51 through the second air inlet and is discharged into the room through the air outlet to achieve the purpose of providing fresh air to the room.
  • a regulating valve (not shown in the figure) is provided between the fresh air outlet of the air-conditioning system and the second air inlet.
  • the amount of fresh air entering the room from the dehumidification module 5 can be adjusted by a regulating valve, and whether to turn on the fresh air function can be controlled by the regulating valve.
  • the regulating valve is turned on, and the dehumidification condenser 54 and the dehumidification evaporator 53 are not working, and only the dehumidification fan 52 is working, the dehumidification module 5 does not dehumidify the fresh air, but directly introduces the fresh air into the room. Dehumidification situation.
  • the air-conditioning system dehumidification fan 52 is an axial fan; and/or, the indoor fan 42 is a centrifugal fan.
  • the air conditioning system further includes a dust filter 55, which is arranged at the fresh air inlet; and/or, the dehumidification fan 52 is arranged at the fresh air outlet.
  • the dust filter device 55 by setting the dust filter device 55 at the fresh air inlet, the dust particles in the air can be filtered, the dust particles can be prevented from entering the dehumidification module, and the quality of the fresh air entering the room can be improved.
  • the dehumidification fan 52 is arranged at the fresh air outlet, that is, a ventilation method of drawing outdoor fresh air into the room is adopted, so that the generated fresh air is stable and facilitates direct adjustment on the indoor side.
  • the air-conditioning system further includes a gas-liquid separator 2; the refrigerant outlet of the gas-liquid separator 2 is in communication with the refrigerant inlet of the compressor 1;
  • the refrigerant outlet of the dehumidification evaporator 53 is in communication with the refrigerant inlet of the gas-liquid separator 2;
  • the second end of the indoor heat exchanger 41 is in communication with the refrigerant inlet of the gas-liquid separator 2 during cooling.
  • the gas-liquid separator 2 can separate the liquid refrigerant in the refrigerant, so as to ensure that the refrigerant entering the compressor 1 is in a gaseous state, avoid liquid hammer accidents of the compressor 1, and improve the cooling or heating effect of the air conditioner.

Abstract

La présente invention se rapporte au domaine technique des climatiseurs, et en particulier à un système de conditionnement d'air. Selon le système de conditionnement d'air de la présente invention, pendant la refroidissement, une sortie de fluide frigorigène d'un compresseur est en communication avec une première extrémité d'un échangeur de chaleur extérieur, une seconde extrémité de l'échangeur de chaleur extérieur est en communication avec une première extrémité d'un échangeur de chaleur intérieur au moyen d'un premier dispositif d'étranglement, une seconde extrémité de l'échangeur de chaleur extérieur est en communication avec une entrée de fluide frigorigène d'un évaporateur de déshumidification au moyen d'un second dispositif d'étranglement, et une seconde extrémité de l'échangeur de chaleur intérieur et une sortie de fluide frigorigène de l'évaporateur de déshumidification sont toutes deux en communication avec une entrée de fluide frigorigène du compresseur. Par conséquent, un module de déshumidification dans le système de climatisation et l'échangeur de chaleur intérieur partagent le même compresseur, le coût de production et la quantité d'espace occupé par un climatiseur sont économisés, l'évaporateur de déshumidification a également un effet de refroidissement sur l'air frais pendant la déshumidification dans l'état de réfrigération, l'effet de réfrigération intérieur est amélioré, et l'expérience d'utilisation d'un utilisateur peut ainsi être améliorée.
PCT/CN2020/126442 2020-02-27 2020-11-04 Système de climatisation WO2021169390A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010125576.6 2020-02-27
CN202010125576.6A CN113310108B (zh) 2020-02-27 2020-02-27 空调系统

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WO2021169390A1 true WO2021169390A1 (fr) 2021-09-02

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114110759A (zh) * 2021-11-29 2022-03-01 Tcl空调器(中山)有限公司 新风组件以及新风空调器
CN114194005A (zh) * 2022-01-25 2022-03-18 泰铂(上海)环保科技股份有限公司 用于车辆的驻车空调以及包括该驻车空调的车辆
CN114704875A (zh) * 2022-03-11 2022-07-05 海信(广东)空调有限公司 一种空调器及其控制方法

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