The invention discloses a vehicle battery thermal runaway fault diagnosis method and device, equipment and a storage medium. The method comprises the steps of collecting a feature signal set of a vehicle battery system in a preset operation time period; updating a pre-constructed fault judgment sub-condition set according to the characteristic signal set to obtain a target fault judgment sub-condition set; judging whether the target fault judgment sub-condition set meets a preset thermal runaway fault judgment condition; and if the target fault judgment sub-condition set conforms to the presetthermal runaway fault judgment condition, judging that a thermal runaway fault exists in the vehicle battery system, so that when the thermal runaway fault occurs in the battery system, various characteristic signals of the battery system can be accurately collected, and analysis can be quickly performed according to the various characteristic signals of the battery system. Whether the battery system has the thermal runaway fault is accurately judged, so that the battery system can be quickly, accurately and effectively identified.

    本发明公开了一种车辆电池热失控故障诊断方法、装置、设备及存储介质,本发明通过采集车辆电池系统在预设运行时段内的特征信号集;根据所述特征信号集对预先构建的故障判断子条件集进行更新,获得目标故障判断子条件集;判断所述目标故障判断子条件集是否符合预设热失控故障判断条件;若所述目标故障判断子条件集符合所述预设热失控故障判断条件,则判定所述车辆电池系统存在热失控故障,从而在电池系统发生热失控故障时,可以准确的采集电池系统的各项特征信号,并快速根据电池系统的各项特征信号进行分析,准确的判断电池系统是否存在热失控故障,因此,可以快速、准确、有效的进行识别。


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    Title :

    Vehicle battery thermal runaway fault diagnosis method and device, equipment and storage medium


    Additional title:

    车辆电池热失控故障诊断方法、装置、设备及存储介质


    Contributors:
    LI SHENSHEN (author) / QIN LIWEI (author) / JIANG DIANSHUANG (author) / LIU PING (author)

    Publication date :

    2021-04-02


    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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