The invention relates to a battery thermal runaway early warning system and method and a vehicle, the battery thermal runaway early warning system comprises a battery box body, a battery cell group is arranged in the battery box body, and the inner wall of the battery box body and each battery cell in the battery cell group are provided with reflective layers; the first light emitter and the first light receiver are both fixedly arranged in the battery box body, the first light emitter is configured to emit light beams to one of the light reflecting layers, and the light reflecting layers are configured to reflect the received light beams into the first light receiver through the inner wall of the battery box body and the light reflecting layers on the battery cells. The reflective layers are arranged on the inner wall of the battery box body and each battery cell, so that when any battery cell is subjected to thermal runaway to generate deformation or smoke, the first light receiver cannot receive normal light beams, the thermal runaway of any battery cell can be timely and effectively monitored, and the problems that in the related technology, the deformation of the battery cell is not monitored in time, and the battery cell is damaged are solved. And the early warning time advance is insufficient.

    本申请涉及一种电池热失控预警系统、方法及车辆,电池热失控预警系统包括:电池箱体,电池箱体内布设有电芯组,电池箱体的内壁以及电芯组中的每个电芯均设有反光层;第一光发射器和第一光接收器,第一光发射器和第一光接收器均固设于电池箱体内,第一光发射器配置为向其中一个反光层发射光束,且反光层配置为将接收到的光束经电池箱体的内壁以及每个电芯上的反光层反射至第一光接收器中。本申请通过在电池箱体的内壁以及每个电芯上均设置反光层,当任一电芯发生热失控产生形变或烟雾时,均会导致第一光接收器不能接收正常的光束,可以及时有效的监测到任一电芯发生热失控,解决了相关技术中电芯形变监测不及时,且预警时间提前量不足的技术问题。


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    Title :

    Battery thermal runaway early warning system and method and vehicle


    Additional title:

    一种电池热失控预警系统、方法及车辆


    Contributors:
    YI KAIHONG (author) / ZHANG JINTAI (author) / SHAO XIANLONG (author) / ZHANG MING (author)

    Publication date :

    2025-04-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS , Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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