The invention relates to a power battery system temperature abnormity monitoring method and system and a storage medium. The method comprises the following steps: acquiring a preset position sampling point temperature value of a to-be-tested power battery and a sampling point temperature value of each electronic component; constructing a temperature mapping relation meeting a preset condition between the temperature value of the sampling point at the preset position and each electronic component sampling point, and obtaining a first judgment temperature value of each electronic component sampling point; constructing a gradient temperature field of the to-be-tested power battery, and obtaining a second judgment temperature value of each electronic component sampling point according to the gradient temperature field; and according to the first judgment temperature value and the second judgment temperature value of each electronic component sampling point, the temperature abnormal condition of each electronic component is judged. According to the power battery system temperature monitoring system, full-range coverage of power battery system temperature monitoring can be achieved, abnormal temperature points can be found in time and rapidly, the positions of corresponding electronic components are locked, over-temperature protection measures are taken in the first time, and safety accidents are prevented.

    本发明涉及一种动力电池系统温度异常监控方法、系统及存储介质。该方法包括如下步骤:获取待测动力电池的预设位置采样点温度值及每个电子元器件采样点温度值;构建预设位置采样点温度值与每个电子元器件采样点之间满足预设条件的温度映射关系,并获取每个电子元器件采样点的第一判断温度值;构建待测动力电池的梯度温度场,并根据梯度温度场获取每个电子元器件采样点的第二判断温度值;根据每个电子元器件采样点的第一判断温度值及第二判断温度值,判断每个电子元器件的温度异常情况。可实现动力电池系统温度监控的全范围覆盖,能及时快速发现异常温度点,并锁定相对应的电子元器件位置,第一时间采取过温保护措施,防止安全事故的发生。


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    Title :

    Power battery system temperature abnormity monitoring method and system and storage medium


    Additional title:

    动力电池系统温度异常监控方法、系统及存储介质


    Contributors:
    ZHANG YILUO (author) / HUANG XING (author)

    Publication date :

    2023-06-06


    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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