A refrigeration cycle device has a compressor (11), a heating unit (12, 30), a high-stage-side pressure reduction unit (13), a gas-liquid separation unit (14), a refrigerant branching unit (17), a first pressure reduction unit (19), a first evaporator (20), a second pressure reduction unit (23), and a second evaporator (24). The compressor has an intermediate-pressure port (11b) via which intermediate-pressure refrigerant within the cycle is allowed to flow and merge with compressed refrigerant. In the gas-liquid separation unit, the intermediate-pressure refrigerant depressurized by the high-stage-side pressure reduction unit is separated into gas and liquid phases and the separated gas-phase refrigerant is led to the intermediate-pressure port. In the refrigerant branching unit, the flowof the liquid-phase refrigerant separated in the gas-liquid separation unit is branched. In a cooling mode in which a liquid to undergo heat exchanging is cooled, a switch is made to a refrigerant circuit in which low-pressure refrigerant is caused to flow from the refrigerant branching unit into the first evaporator. In a heating mode in which the liquid to undergo heat exchanging is heated, a switch is made to a refrigerant circuit in which low-pressure refrigerant is caused to flow from the refrigerant branching unit into the second evaporator.

    制冷循环装置具有:压缩机(11)、加热部(12、30)、高级侧减压部(13)、气液分离部(14)、制冷剂分支部(17)、第一减压部(19)、第一蒸发器(20)、第二减压部(23)、第二蒸发器(24)。压缩机具有中间压端口(11b),该中间压端口使循环内的中间压制冷剂流入并与压缩过程的制冷剂合流。气液分离部对被高级侧减压部减压后的中间压制冷剂进行气液分离,将分离出的气相制冷剂向中间压端口引导。制冷剂分支部使被气液分离部分离出的液相制冷剂的流动分支。在冷却热交换对象流体的冷却模式下,切换到使低压制冷剂从制冷剂分支部流向第一蒸发器的制冷剂回路,在加热热交换对象流体的加热模式下,切换到使低压制冷剂从制冷剂分支部流向第二蒸发器的制冷剂回路。


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    Titel :

    REFRIGERATION CYCLE DEVICE


    Weitere Titelangaben:

    制冷循环装置


    Beteiligte:
    KATO YOSHIKI (Autor:in)

    Erscheinungsdatum :

    2020-04-17


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht



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