The invention discloses a battery pack thermal runaway early warning method, device and equipment and a storage medium, relates to the technical field of battery pack thermal management, and discloses a battery pack thermal runaway early warning method, which comprises the following steps: when a battery management system is in a dormant state, acquiring a voltage difference value between a reference voltage and a temperature sensor voltage, the temperature sensor is located at the position of an anti-explosion valve of the battery pack; controlling a battery management system according to the voltage difference value, so that the battery management system acquires a temperature sensor state parameter and a battery cell state parameter; determining a battery pack thermal runaway state based on the temperature sensor state parameter and the battery cell state parameter; and performing thermal runaway early warning according to the thermal runaway state of the battery pack, thereby realizing thermal runaway detection on the battery pack subjected to thermoelectric separation, and improving the safety of the battery pack.

    本申请公开了一种电池包热失控预警方法、装置、设备及存储介质,涉及电池包热管理技术领域,公开了一种电池包热失控预警方法,包括:在电池管理系统处于休眠状态时,获取参考电压与温度传感器电压的电压差值,所述温度传感器位于电池包的防爆阀位置;根据所述电压差值控制电池管理系统,以使所述电池管理系统采集温度传感器状态参数与电池电芯状态参数;基于所述温度传感器状态参数与所述电池电芯状态参数确定电池包热失控状态;根据所述电池包热失控状态进行热失控预警,实现了对热电分离的电池包进行热失控检测,提高电池包的安全性。


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    Title :

    Battery pack thermal runaway early warning method, device and equipment and storage medium


    Additional title:

    电池包热失控预警方法、装置、设备及存储介质


    Contributors:
    GUO CAI (author) / YU ZHENHONG (author) / SONG CHENG (author) / ZHOU WEIWEI (author) / LIU ZHENYONG (author)

    Publication date :

    2024-12-20


    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 / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES



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