The invention discloses a backup power supply for a passenger car. The backup power supply adopts a double-backup power supply design and a double-chip control design. The backup power supply comprises a high-voltage battery, a high-power DCDC, a low-voltage battery, a low-voltage system circuit, a backup power supply A, a backup power supply B, a front chip and a voltage detection module. The backup power supply A and the backup power supply B form a double-backup power supply, the backup power supply A can immediately output voltage to maintain the work of the low-voltage system when the low-voltage system has a double-point fault, and then the double-point fault can be diagnosed, recorded and stopped; and the front chip and the main control chip form double-chip control, so strategies can be flexibly integrated according to the information of the high-voltage side and the low-voltage side in combination with the requirements of the low-voltage system, then the backup power supply isreasonably started and stopped so as to ensure the starting and stopping safety of the backup power supply, and the backup power supply has transportability and compatibility for various electric automobile systems without changing hardware.

    本发明公开了一种客车用备份电源,采用双备份电源设计和双芯片控制设计,该备份电源包括高压电池、大功率DCDC、低压电池、低压系统电路、备份电源A、备份电源B、前置芯片和电压检测模块。备份电源A和备份电源B组成双备份电源,双备份电源能够在低压系统出现双点故障时,备份电源A立即输出电压以维持低压系统工作,继而能够实现对双点故障诊断记录和停机;前置芯片和主控芯片组成双芯片控制,这样可灵活地根据高压侧和低压侧信息结合低压系统需求去整合策略,进而合理地启动和关闭备份电源,以保证备份电源启动和关闭的安全性,该备份电源对各种电动汽车系统都具有可移植性和兼容性无需更改硬件。


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    Titel :

    Backup power supply for passenger car


    Weitere Titelangaben:

    一种客车用备份电源


    Beteiligte:
    YANG CHAO (Autor:in) / XING MINCHAO (Autor:in) / ZHANG PEILEI (Autor:in) / ZHANG QIANG (Autor:in)

    Erscheinungsdatum :

    2020-07-03


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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