The invention provides an automobile CO2 heat pump air conditioning system, a control method thereof and an automobile. The automobile CO2 heat pump air conditioning system comprises a refrigerant loop, a heat transfer fluid loop and a double-fluid heat exchanger used for heat exchange between the refrigerant loop and the heat transfer fluid loop. The refrigerant loop comprises a compressor, an indoor heat exchanger, an outdoor heat exchanger, an internal heat exchanger and a CO2 gas-liquid separator which are connected through a refrigerant pipeline, and the indoor heat exchanger comprises a first internal heat exchanger and a second internal heat exchanger. The automobile CO2 heat pump air conditioning system is suitable for transcritical circulation of CO2 refrigerants, popularization of natural working medium refrigerants is facilitated, multi-mode operation can be achieved, the energy utilization rate of the whole automobile can be improved, and the endurance of the automobile is prolonged.

    本发明提供了一种汽车CO2热泵空调系统及其控制方法和汽车,本发明的汽车CO2热泵空调系统包括制冷剂回路、传热流体回路,以及用于所述制冷剂回路和所述传热流体回路之间热量交换的双流体热交换器;所述制冷剂回路包括通过制冷剂管路连接的压缩机、室内换热器、室外换热器、内部热交换器和CO2气液分离器,且所述室内换热器包括第一内部换热器和第二内部换热器。本发明所述的汽车CO2热泵空调系统,适用于CO2制冷剂的跨临界循环,有利于自然工质制冷剂的推广,并且也能够实现多模式运行,有利于提高整车能源利用率,增加汽车续航。


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    Title :

    Automobile CO2 heat pump air conditioning system, control method thereof and automobile


    Additional title:

    汽车CO2热泵空调系统及其控制方法和汽车


    Contributors:

    Publication date :

    2022-12-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    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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