The invention provides a battery system, a battery heating method, a battery heating device, battery heating equipment and a medium, and relates to the technical field of batteries, the battery system comprises a high-voltage box and a plurality of battery boxes, each battery box comprises a heating positive port and a heating negative port, and the high-voltage box comprises a heating total positive port, a heating total negative port, a main loop negative port and a main loop positive port; the heating positive port of each battery box is connected in parallel to the heating total positive port; the heating negative port of each battery box is connected in parallel to the heating total negative port; a heating positive relay and a first fuse are connected in series between the heating total positive port and the main loop positive port; a heating negative relay and a main loop negative relay are connected in series between the heating total negative port and the main loop negative port. The battery system in the embodiment of the invention can perform heating control on the single battery box, so that the temperature difference fault between the battery cells caused by non-uniform temperature difference of the battery box is avoided, and the fault rate of the battery box is reduced.

    本发明提供了一种电池系统以及电池加热方法、装置、设备和介质,涉及电池技术领域,其中,电池系统包括高压箱和多个电池箱,电池箱包括加热正端口和加热负端口,高压箱包括加热总正端口、加热总负端口、主回路负端口和主回路正端口;各电池箱的加热正端口并联连接于加热总正端口;各电池箱的加热负端口并联连接于加热总负端口;加热总正端口和主回路正端口之间,串联连接有加热正继电器和第一保险丝;加热总负端口和主回路负端口之间,串联连接有加热负继电器和主回路负继电器。本发明实施例中的电池系统能够对单个电池箱进行加热控制,避免电池箱温差不均匀导致的电芯之间的温差故障,降低电池箱的故障率。


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    Title :

    Battery system, battery heating method, battery heating device, battery heating equipment and medium


    Additional title:

    一种电池系统以及电池加热方法、装置、设备和介质


    Contributors:
    LIU JUN (author)

    Publication date :

    2025-02-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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



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