The invention belongs to the technical field of electric vehicles and (or) energy storage, and relates to a battery thermal management system which comprises a compressor, a liquid cooling condenser, a throttling device, a battery heat exchanger, an electronic fan, a first four-way valve, a second four-way valve, a first water pump and a second water pump, a radiator is arranged outdoors, the electronic fan is arranged on the radiator, and a battery is arranged in a battery pack; the compressor, the liquid cooling condenser, the throttling device, the battery heat exchanger and the compressor are sequentially connected to form a refrigerant circulation loop; four ports of the first four-way valve are respectively connected with a cooling liquid outlet of the battery pack, a cooling liquid inlet of the liquid cooling condenser, a cooling liquid inlet of the battery heat exchanger and a cooling liquid outlet of the radiator; four ports of the second four-way valve are respectively connected with a cooling liquid outlet of the liquid cooling condenser, an inlet of the first water pump, an inlet of the second water pump and a cooling liquid outlet of the battery heat exchanger; an outlet of the first water pump is connected with a cooling liquid inlet of the radiator. An outlet of the second water pump is connected with a cooling liquid inlet of the battery pack.

    本发明属于电动车和(或)储能技术领域,涉及一种电池热管理系统,包括压缩机、液冷冷凝器、节流装置、电池换热器、电子风扇、第一四通阀、第二四通阀、第一水泵和第二水泵,室外设有散热器,电子风扇设在散热器上,电池设在电池包内;压缩机、液冷冷凝器、节流装置、电池换热器和压缩机依次连接形成冷媒循环回路;第一四通阀的四个口分别与电池包的冷却液出口、液冷冷凝器的冷却液进口、电池换热器的冷却液进口和散热器的冷却液出口连接;第二四通阀的四个口分别与液冷冷凝器的冷却液出口、第一水泵的进口、第二水泵的进口和电池换热器的冷却液出口连接;第一水泵的出口与散热器的冷却液进口连接,第二水泵的出口与电池包的冷却液进口连接。


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    Title :

    Battery thermal management system


    Additional title:

    电池热管理系统


    Contributors:
    LI WANYONG (author) / QIAO LONGTING (author) / SHI QICHENG (author)

    Publication date :

    2023-03-07


    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 / 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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