The invention provides a method and device for detecting the connection condition of a high-voltage connection point of a battery pack, the battery pack comprises a battery and an inductor, the method comprises the steps of controlling the battery pack to enter a self-heating process, detecting current characteristic information of loop current between the battery and the inductor in the self-heating process, and determining the connection condition of the high-voltage connection point of the battery pack according to the current characteristic information, and detecting connection condition information of a high-voltage connection point in the battery pack. By implementing the method disclosed by the invention, the comprehensiveness of the connection condition detection of the high-voltage bus can be effectively improved, and the connection condition detection effect is improved.

    本公开提出一种电池包高压连接点的连接状况检测方法和装置,电池包包括:电池和电感,方法包括:控制电池包进入自加热过程,检测电池和电感间的回路电流在自加热过程中的电流特性信息,根据电流特性信息,检测电池包中高压连接点的连接状况信息。通过实施本公开的方法,能够有效提升高压母线的连接状况检测的全面性,提升连接状况检测效果。


    Access

    Download


    Export, share and cite



    Title :

    Method and device for detecting connection condition of high-voltage connection point of battery pack


    Additional title:

    电池包高压连接点的连接状况检测方法和装置


    Contributors:
    LI CHAO (author)

    Publication date :

    2022-10-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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




    CABLE CONNECTION STRUCTURE FOR BATTERY PACK

    LU WEN LEON / TAKASAKI SEIICHI / MIYANAGA SATOSHI | European Patent Office | 2016

    Free access

    Unauthorized connection detecting device, unauthorized connection detecting system, and unauthorized connection detecting method

    UNAGAMI YUJI / OHMORI MOTOJI / MATSUZAKI NATSUME | European Patent Office | 2016

    Free access

    Unauthorized connection detecting device, unauthorized connection detecting system, and unauthorized connection detecting method

    UNAGAMI YUJI / MATSUZAKI NATSUME / OHMORI MOTOJI | European Patent Office | 2016

    Free access

    DEVICE AND METHOD FOR DIAGNOSING BATTERY PACK CONNECTOR CONNECTION

    KIM EUI / LEE JANGHEE / PARK JEONGWOOK et al. | European Patent Office | 2023

    Free access