The invention discloses a vehicle battery auxiliary cooling system and method and a vehicle. The system comprises a water cooling condenser, a cooling liquid inlet pipeline, a cooling liquid outlet pipeline, an expansion valve, a battery cooling heat exchanger and a compressor. Wherein the cooling liquid inlet pipeline and the cooling liquid outlet pipeline are respectively connected with the water cooling condenser and form an external liquid cooling loop; the water-cooling condenser, the expansion valve, the battery cooling heat exchanger and the compressor are sequentially connected to form a first internal refrigerating loop. Wherein the compressor compresses refrigerants and discharges high-temperature gaseous refrigerants, the high-temperature gaseous refrigerants are cooled through the water-cooling condenser and become liquid refrigerants, the liquid refrigerants are throttled into low-temperature refrigerants after flowing through the expansion valve, and the low-temperature refrigerants are subjected to evaporation heat exchange in the battery cooling heat exchanger. The battery cooling heat exchanger further cools the battery. Auxiliary cooling water is provided, effective control over the high pressure of a whole vehicle heat management loop refrigerant system is achieved, and the heat exchange effect is also improved.

    一种车辆电池辅助冷却系统、方法及车辆,该系统包括水冷冷凝器、冷却液入口管路、冷却液出口管路、膨胀阀、电池冷却换热器、压缩机。其中,冷却液入口管路、冷却液出口管路分别连接水冷冷凝器并形成外部液冷回路;水冷冷凝器、膨胀阀、电池冷却换热器和压缩机依次连接并形成第一内部制冷回路。其中:压缩机压缩制冷剂并排出高温气态制冷剂,高温气态制冷剂经过水冷冷凝器进行冷却并成为液态制冷剂,液态制冷剂流过膨胀阀后被节流成低温制冷剂,并在电池冷却换热器内进行蒸发换热。电池冷却换热器进一步对电池进行冷却。本发明提供辅助冷却水,实现整车热管理回路制冷剂系统高压压力的有效控制,也提升了换热效果。


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    Titel :

    Vehicle battery auxiliary cooling system and method and vehicle


    Weitere Titelangaben:

    一种车辆电池辅助冷却系统、方法及车辆


    Beteiligte:
    HUANG HAIMING (Autor:in) / WANG TIANYING (Autor:in)

    Erscheinungsdatum :

    2022-02-18


    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 / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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