The invention discloses a thermal runaway alarm method and device, electronic equipment and a readable storage medium, and the method comprises the steps: monitoring a first pressure value in a battery pack, if the first pressure value at a first moment exceeds a preset maximum pressure value, determining a pressure curve of the pressure value in the battery pack within a preset time before the first moment, a predicted pressure value at the first moment is obtained according to the pressure curve, if the first pressure value is larger than the product of the predicted pressure value and a preset multiple and target parameters of the battery pack are abnormal, a thermal runaway alarm is given, and the target parameters are at least one other parameter except the pressure value. The predicted pressure value is compared with the product of the preset multiple, and a certain elastic space is given to the first pressure value. Furthermore, even if the first pressure value is greater than the product of the predicted pressure value and the preset multiple, the method further judges whether thermal runaway actually occurs or not according to whether the parameters of the battery pack are abnormal or not. Therefore, the false touch rate of thermal runaway alarm can be reduced.

    本申请公开一种热失控报警方法、装置置、电子设备和可读存储介质,方法包括:监测电池包内的第一压力值,若第一时刻的第一压力值超过预设最大压力值,则确定电池包内的压力值在第一时刻前的预设时间内的压力曲线,根据压力曲线获取第一时刻的预测压力值,若第一压力值大于预测压力值与预设倍数的乘积,并且电池包的目标参数异常,则发出热失控报警,其中,目标参数为除压力值外的至少一个其他参数。本申请将预测压力值与预设倍数的乘积进行比较,给予第一压力值一定的弹性空间。进一步的,即使第一压力值大于预测压力值与预设倍数的乘积,但本方法还会根据电池包参数是否发生异常进一步判断是否真实发生热失控。因此,可以降低热失控报警的误触率。


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    Title :

    Thermal runaway alarm method and device, electronic equipment and readable storage medium


    Additional title:

    一种热失控报警方法、装置、电子设备和可读存储介质


    Contributors:
    ZHU XIAOQIONG (author) / ZHU ZHENGLI (author) / DING XIAONA (author) / WANG XUAN (author) / ZHANG CHUNLEI (author) / BIAN YUE (author)

    Publication date :

    2023-09-19


    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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