The invention belongs to the technical field of electric vehicles, and discloses a battery electric vehicle thermal management system which comprises a refrigerant circulation loop, and the refrigerant circulation loop comprises an electric compression module, a condensation module and a passenger compartment management unit which are arranged in the refrigerant circulation loop in a series refrigerant flowing relation. The refrigerant circulation loop further comprises a power battery management unit, and the power battery management unit and the passenger compartment management unit are arranged in parallel. And a plurality of electronic expansion valves are arranged in connecting pipelines between the passenger compartment management unit and the condensation module and between the power battery management unit and the condensation module. According to the technical scheme, the control strategy is simple, the cost is low, and the complexity of the system is reduced.

    本发明属于电动汽车技术领域,并公开了一种纯电动汽车热管理系统,包括制冷剂循环回路,所述制冷剂循环回路包括以串联制冷剂流动关系安置于所述制冷剂循环回路中的电动压缩模块、冷凝模块、乘员舱管理单元;所述制冷剂循环回路还包括动力电池管理单元,所述动力电池管理单元和所述乘员舱管理单元并联设置;所述乘员舱管理单元和所述动力电池管理单元与所述冷凝模块的连接管路中均设有若干电子膨胀阀。本发明所述技术方案控制策略简单,成本较低,降低了系统的复杂性。


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    Title :

    Thermal management system of pure electric vehicle


    Additional title:

    一种纯电动汽车热管理系统


    Contributors:
    MIN HAITAO (author) / LI HAILONG (author) / SUN WEIYI (author)

    Publication date :

    2024-08-02


    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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