The invention discloses a power supply control device, a low-voltage power supply system and a motor vehicle, the power supply control device comprises a circuit switching module and a one-way conduction module, through switching of the circuit switching module between a first state and a second state, safe switching of a power supply of a low-voltage load between a DC/DC module and a storage battery is achieved, and string current between the DC/DC module and the storage battery is avoided; the one-way conduction module, the storage battery and the low-voltage load form a temporary conduction loop in the switching process of the circuit switching module between the first state and the second state, and the situation of power failure of the low-voltage load in the switching process is avoided.

    本申请公开了一种电源控制装置、低压电源系统及机动车辆,其中,所述电源控制装置包括通路切换模块和单向导通模块,通过所述通路切换模块在第一状态和第二状态的切换,实现低压负载的供电电源在DC/DC模块和蓄电池之间的安全切换,避免DC/DC模块和蓄电池之间出现串电的情况,并且在所述通路切换模块在第一状态和第二状态的切换过程中,由所述单向导通模块、蓄电池和低压负载构成临时的导通回路,避免在切换过程中低压负载出现掉电的情况。


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    Title :

    Power supply control device, low-voltage power supply system and motor vehicle


    Additional title:

    一种电源控制装置、低压电源系统及机动车辆


    Contributors:
    LONG YUZHOU (author) / QING XINHUI (author) / HUANG HE (author) / LIU JINCHENG (author) / LIU MENG (author) / NIU MANGANG (author) / ZHANG KAIYI (author)

    Publication date :

    2021-10-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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