The invention discloses a battery pack thermal runaway early warning method, device and equipment and a storage medium, and the method comprises the steps: obtaining a cell voltage sampling parameter which is a parameter obtained when the cell voltage of a battery pack is sampled; determining a target temperature sensor with induction failure according to the cell voltage sampling parameter, wherein the target temperature sensor is used for detecting the cell temperature of the battery pack; and performing battery pack thermal runaway early warning according to the positions and the number of the target temperature sensors. According to the technical scheme of the invention, the method can improve the recognition accuracy of the sensors which are loosened in adhesion, reduces the false alarm risk of the thermal runaway of the battery pack, and improves the early warning accuracy of the thermal runaway fault.

    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,该方法包括:获取电芯电压采样参数,电芯电压采样参数为对电池包的电芯电压采样时获取的参数;根据电芯电压采样参数确定感应失效的目标温度传感器,目标温度传感器用于对电池包的电芯温度进行检测;根据目标温度传感器的位置和数量,进行电池包热失控预警。应用本申请的技术方案,可以提高识别粘连松动的传感器的准确率,降低电池包热失控误报风险,提高热失控故障预警的准确性。


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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:
    LIU HONGSHA (author) / JIE LIZHU (author) / DING TIANXI (author) / WEN LI (author)

    Publication date :

    2025-02-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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



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