A vehicle-mounted charger with an external wakeup function disclosed by the present invention comprises a vehicle-mounted charger body and a DC converter, the vehicle-mounted charger body comprises a control unit, an input and output unit, a power unit and a low-voltage auxiliary unit, the input and output unit is used for connecting an external alternating current and outputting a direct current to an external power battery, and the DC converter is used for converting the direct current into a direct current; the power unit is used for completing conversion from alternating current to high-voltage direct current to low-voltage direct current, and the low-voltage auxiliary unit is used as an auxiliary power supply; the AC input connector, the input and output connector and the DC output positive electrode connector are respectively connected with the power unit, the signal connector is connected with the control unit, and an external enabling wake-up pin is arranged in the signal connector; a heat dissipation mechanism is arranged on the upper portion of the shell, and an auxiliary awakening unit is further arranged in the shell. According to the invention, through the external enabling awakening pin, the MCU is awakened to wait for the instruction of the external battery management system when the OBC is dormant or the charging gun is not accessed.

    本发明公开了一种具有外部唤醒功能的车载充电机,包括车载充电机本体和DC转换器,所述车载充电机本体包括控制单元、输入输出单元、功率单元和低压辅助单元,所述输入输出单元用于连接外部交流电和向外部动力电池输出直流电,所述功率单元用于完成交流到高压直流到低压直流的转换,所述低压辅助单元用做辅助电源;所述AC输入连接器、输入输出连接器和DC输出正极连接器分别与功率单元连接,所述信号连接器与控制单元连接,所述信号连接器内设置有外部使能唤醒引脚;所述壳体的上部设置有散热机构,所述壳体的内部还设置有辅助唤醒单元。本发明通过外部使能唤醒引脚,在OBC休眠或者充电枪未接入时唤醒主控单元MCU以等待外部电池管理系统指令。


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    Title :

    Vehicle-mounted charger with external wake-up function


    Additional title:

    一种具有外部唤醒功能的车载充电机


    Contributors:
    YU PEI (author) / FU XIASHENG (author) / WANG ZHAOMIN (author) / WU JIANXIA (author) / LI SHENGFU (author)

    Publication date :

    2023-08-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    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 / H05K PRINTED CIRCUITS , Gedruckte Schaltungen



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