The invention relates to a vehicle CO2 heat management system and a working method thereof, the system comprises a CO2 heat pump air-conditioning subsystem and a cooling subsystem, the CO2 heat pump air-conditioning subsystem comprises an internal evaporator and an internal heat exchanger which work independently or work in series, and an electronic three-way valve and an electronic expansion valve which realize working mode switching; the cooling subsystem is a cooling loop comprising a DCDC assembly, a PEU assembly and a battery assembly. Compared with the prior art, the heat management system has the advantages that cooling and heat recovery functions of the heat management system are achieved, and the energy efficiency ratio of the heat pump system in the low-temperature environment is increased.

    本发明涉及一种车用CO2热管理系统及其工作方法,该系统包括CO2热泵空调子系统和冷却子系统,所述的CO2热泵空调子系统包括单独工作或串联工作的内部蒸发器和内部换热器、以及实现工作模式切换的电子三通阀和电子膨胀阀;所述冷却子系统为包括DCDC总成、PEU总成和电池总成的冷却回路。与现有技术相比,本发明具有实现了热管理系统的冷却和热量回收功能,提高了低温环境下热泵系统能效比值等优点。


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    Titel :

    Vehicle CO2 thermal management system and working method thereof


    Weitere Titelangaben:

    一种车用CO2热管理系统及其工作方法


    Beteiligte:
    WU MUWEN (Autor:in) / CHEN CHONG (Autor:in) / LING XUEFENG (Autor:in) / LI GUIBIN (Autor:in)

    Erscheinungsdatum :

    2022-02-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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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