The invention relates to a vehicle-mounted multi-power-source automatic switchover power supply system, in particular to a multi-power-source automatic switchover power supply system suitable for a vehicle. The multi-power-source automatic switchover power supply system comprises a vehicle body battery BAT1, a mainframe power source BAT2 and an MCU controlling power source switchover, wherein the vehicle body battery BAT1 and the mainframe power source BAT2 are connected to the voltage input end VCC of the MCU in parallel. The power supply system further comprises a standby battery pack BAT3, wherein the standby battery pack BAT3, the vehicle body battery BAT1 and the mainframe power source BAT2 are connected to the voltage input end VCC of the MCU in parallel. The power supply system further comprises a transformer U1, wherein the transformer U1 is connected between a power source connecting point and the MCU in series. The multi-power-source automatic switchover power supply system is used for a vehicle-mounted security product, accordingly vehicle-mounted core parts can be in a working state to the greatest extent under the abnormal situation, and normal work of the power supply system can be ensured to the greatest extent under the abnormal situation.


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    Titel :

    Vehicle-mounted multi-power-source automatic switchover power supply system


    Beteiligte:
    GUO YINGFENG (Autor:in) / YANG JINLING (Autor:in) / ZHU YUE (Autor:in)

    Erscheinungsdatum :

    22.04.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / 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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