The invention discloses a diagnosis method and system for a vehicle-mounted generator fuse, the fuse is connected between a generator and a storage battery, one end, connected with the generator, of the fuse is a point A, one end, connected with the storage battery, of the fuse is a point B. When a vehicle is not started, voltages of the point A and the point B are collected, and whether the fuse is suspected to be abnormal or not is judged according to the voltages of the point A and the point B; if it is judged that the fuse is suspected to be abnormal, collecting voltages of a point A and a point B after the vehicle is started, and judging whether the fuse is disconnected by adopting a first method according to the voltages of the point A and the point B; and if the fuse is judged to be normal, collecting voltages of the point A and the point B after the vehicle is started, and judging whether the fuse is disconnected by adopting a second method according to the voltages of the point A and the point B. According to the method, feature judgment is carried out in stages when the vehicle runs, whether the generator fuse is disconnected or not can be accurately judged, and all misjudgment and missed judgment conditions are avoided.

    本发明公开了一种车载发电机保险的诊断方法及系统,保险连接在发电机与蓄电池之间,所述保险连接发电机的一端为A点,连接蓄电池的一端为B点,车辆未启动时,采集A点和B点电压,根据A点和B点电压判断保险是否疑似异常;若判断保险疑似异常,则在车辆启动后,采集A点和B点电压,根据A点和B点电压采用第一方法判断保险是否断路;若判断保险正常,则在车辆启动后,采集A点和B点电压,根据A点和B点电压采用第二方法判断保险是否断路。本发明在车辆运行时对特征判断分阶段进行,能精确的判断出发电机保险是否断路,避免所有误判漏判的情况。


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    Titel :

    Vehicle-mounted generator fuse diagnosis method and system


    Weitere Titelangaben:

    一种车载发电机保险的诊断方法及系统


    Beteiligte:
    QIE HEFENG (Autor:in) / SHEN PEIFENG (Autor:in) / SU YI (Autor:in) / TIAN XUEYONG (Autor:in) / LI YIQUN (Autor:in) / LI XIAOMING (Autor:in) / ZHOU WEIJIAN (Autor:in)

    Erscheinungsdatum :

    06.01.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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