The invention relates to a charging device and method based on a vehicle motor driving system and an electric vehicle. The device comprises a high-voltage charging input loop, a boosting charging execution loop, a high-voltage charging output loop and a main control unit. The high-voltage charging input loop comprises an input capacitor filtering unit, an active discharging unit, a first-stage voltage sampling unit and a first-stage EMC filtering assembly, the boost charging execution loop comprises a first relay, a second relay and a motor voltage transformation unit, and the second relay is connected to a motor inversion unit; the output end of the first-stage EMC filtering assembly is divided into a branch connected with the second relay, and a branch connected with the first relay and then connected to the two ends of the motor voltage transformation unit in parallel. The high-voltage charging output loop comprises an output capacitor filtering unit, a passive discharging unit and a secondary EMC filtering assembly. Compared with the prior art, the method can be matched with charging equipment of different voltage grades, is flexible and efficient, and has the advantages of safety, reliability, high interference resistance, low loss, high charging efficiency and the like.

    本发明涉及一种基于车辆电机驱动系统的充电装置、方法和电动汽车,装置包括高压充电输入回路、升压充电执行回路、高压充电输出回路和主控制单元;高压充电输入回路包括输入电容滤波单元、主动放电单元、一级电压采样单元和一级EMC滤波组件,升压充电执行回路包括第一继电器、第二继电器和电机变压单元,第二继电器接入电机逆变单元;一级EMC滤波组件的输出端分为:一条支路连接第二继电器,一条支路连接第一继电器后并联在电机变压单元的两端;高压充电输出回路包括输出电容滤波单元、被动放电单元和二级EMC滤波组件。与现有技术相比,本发明可以匹配不同电压等级的充电设备,灵活高效,并具有安全可靠、抗扰性强、损耗低、充电效率高等优点。


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    Titel :

    Charging device and method based on vehicle motor driving system and electric vehicle


    Weitere Titelangaben:

    一种基于车辆电机驱动系统的充电装置、方法和电动汽车


    Beteiligte:
    ZHANG CHAOJUN (Autor:in) / WEN XIAOWEI (Autor:in) / CHEN LEI (Autor:in) / ZHANG ZHOUYUN (Autor:in) / XU CHENHAO (Autor:in) / SONG JUNFENG (Autor:in) / CHEN DENGFENG (Autor:in)

    Erscheinungsdatum :

    2023-04-14


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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