The name of the invention is a power supply module of a variable electrical instrument, belongs to the technical field of automobile electronic control, and mainly aims to realize that an indication state of a pointer of a current 12V or 24V instrument system before the moment of power down remains unchanged, and liquid crystal data is reliably stored. The power supply module is mainly characterized in that the power supply module comprises an instrument power supply input part circuit, a 12V or 24V power supply input-5V power supply output circuit, a 12V power supply input-5V power supply output circuit, a double-single power supply selection circuit and an instrument power supply power down monitoring circuit; the output of the instrument power supply input part circuit is connected with the input ends of the 12V or 24V power supply input-5V power supply output circuit, the 12V power supply input-5V power supply output circuit and the instrument power supply power down monitoring circuit separately; and the output end of the 12V or 24V power supply input-5V power supply output circuit is connected with the output end of the 12V power supply input-5V power supply output circuit through a resistor. The power supply module has the characteristics of the functional mode compatibility and the double-single power supply selective outputs, and the power supply module is mainly used for supplying power for the instrument systems.


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    Titel :

    Power supply module of variable electrical instrument


    Beteiligte:
    TAN XIAOGANG (Autor:in) / HOU FEI (Autor:in) / YI FEI (Autor:in) / LU PING (Autor:in) / GENG XIANGYANG (Autor:in) / LIU HAO (Autor:in)

    Erscheinungsdatum :

    2016-02-10


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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