A vehicle power supply device (1) is provided with: a backup power supply (6) to which power is supplied from an in-vehicle battery (3); a step-up unit (20) that steps up the voltage of the backup power supply (6) to a predetermined step-up voltage (Vb); a motor drive unit (7) that is connected to the battery (3) and the step-up unit (20), and that can drive the electric motor (2) by supplying power from either the battery (3) or the step-up unit (20); a first switch unit (60) that turns on/off power supply between the battery (3) and the motor drive unit (7); a control unit (8) that controls the first switch unit (60); and a second switch unit (70) which is provided between the step-up unit (20) and the first switch unit (60) and which turns off the first switch unit (60) when the voltage output from the step-up unit (20) is equal to or greater than a predetermined step-up voltage (Vb).

    车辆用电源装置(1)具备:备用电源(6),由车载的电池(3)供给电力;升压部(20),将备用电源(6)的电压升压至规定的升压电压(Vb);马达驱动部(7),与电池(3)和升压部(20)连接,能由电池(3)和升压部(20)中的任意一方供给电力来驱动电动马达(2);第一开关部(60),导通/切断电池(3)与马达驱动部(7)之间的电力供给;控制部(8),控制第一开关部(60);以及第二开关部(70),设于升压部(20)与第一开关部(60)之间,当从升压部(20)输出的电压为规定的升压电压(Vb)以上时,使第一开关部(60)断开。


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    Title :

    VEHICLE POWER SUPPLY DEVICE AND DOOR LATCH DEVICE


    Additional title:

    车辆用电源装置和门闩装置


    Contributors:

    Publication date :

    2024-05-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / E05B LOCKS , Schlösser



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