The embodiment of the invention provides a direct-current converter circuit and an electric vehicle, and relates to the technical field of electric equipment. The DC converter circuit comprises a pre-stage boost BOOST module and a post-stage full-bridge current-doubling synchronous rectification module. The front-stage boost BOOST module comprises an input voltage, an energy storage inductor, a first power MOS tube, a second power MOS tube and a bus capacitor, and the input voltage, the energy storage inductor, the first power MOS tube and the bus capacitor are sequentially connected to form a boost loop; one end of the second power MOS tube is connected between the energy storage inductor and the first power MOS tube, and the other end of the second power MOS tube is connected between the input voltage and the bus capacitor; the rear-stage full-bridge current-doubling synchronous rectification module comprises a rear-stage rectification current sub-module, a main power transformer and a synchronous rectification output sub-module, the rear-stage rectification current sub-module is connected with the bus capacitor and the main power transformer, and the main power transformer is connected with the synchronous rectification output sub-module.

    本申请实施例提供一种直流变换器电路及电动车辆,涉及电动设备技术领域。该直流变换器电路包括前级升压BOOST模块和后级全桥倍流同步整流模块;前级升压BOOST模块包括输入电压、储能电感、第一功率MOS管、第二功率MOS管和母线电容,输入电压、储能电感、第一功率MOS管和母线电容依次连接,组成升压回路;第二功率MOS管的一端连接于储能电感、第一功率MOS管之间,第二功率MOS管的另一端连接于输入电压、母线电容之间;后级全桥倍流同步整流模块包括后级整流电流子模块、主功率变压器和同步整流输出子模块,后级整流电流子模块分别与母线电容、主功率变压器连接,主功率变压器与同步整流输出子模块连接。


    Access

    Download


    Export, share and cite



    Title :

    Direct current converter circuit and electric vehicle


    Additional title:

    一种直流变换器电路及电动车辆


    Contributors:
    LI MING (author) / PENG SONG (author) / ZHANG XUEBING (author) / YU HAO (author)

    Publication date :

    2023-07-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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



    Direct-current converter for electric vehicle charging pile

    WU GANG / XUE LI / LIANG RUIZHI et al. | European Patent Office | 2021

    Free access

    FORWARD COMPATIBILITY METHOD AND CIRCUIT FOR DIRECT-CURRENT CHARGING CONTROL CIRCUIT OF ELECTRIC VEHICLE, AND CONVERTER

    LI XULING / NI FENG / ZHANG XUAN et al. | European Patent Office | 2022

    Free access

    Control method of direct-current converter for electric vehicle charging pile

    XUE LI / WU GANG / LIANG RUIZHI et al. | European Patent Office | 2021

    Free access

    Control circuit of multi-wheel direct-current electric vehicle

    CHEN YIZHAO | European Patent Office | 2021

    Free access

    Inverter circuit, power converter circuit, and electric vehicle

    ENDO MASAMI | European Patent Office | 2016

    Free access