The invention provides direct current charging equipment, which is applied to the field of new energy automobiles and comprises a first multi-phase rectifier, a second multi-phase rectifier, a direct current bus and a charging main body, the charging main body comprises a direct-current voltage converter and a charging port connected with the direct-current voltage converter; the first end of the first multi-phase rectifier is connected with a power grid end, the second end of the first multi-phase rectifier is connected with a direct-current voltage converter in the charging main body through a direct-current bus, the first end of the second multi-phase rectifier is connected with the power grid end, and the second end of the second multi-phase rectifier is connected with the direct-current voltage converter in series through the direct-current bus; and a charging port for outputting a target DC voltage based on the DC voltage converter. The circuit loss in the circuit transmission process can be greatly reduced, and meanwhile the electric energy conversion efficiency of equipment is improved.

    本申请提供了一种直流充电设备,应用于新能源汽车领域,该设备包含第一多相整流器、第二多相整流器、直流母线及充电主体;充电主体包括直流电压转换器及连接直流电压转换器的充电端口;第一多相整流器的第一端与电网端相连,第一多相整流器的第二端通过直流母线与充电主体中的直流电压转换器相连,第二多相整流器的第一端与电网端相连,第二多相整流器的第二端通过直流母线与直流电压转换器串联;充电端口,用于基于直流电压转换器输出目标直流电压。本申请能够大大降低电路传输过程中的电路损耗,同时提高设备的电能转换效率。


    Access

    Download


    Export, share and cite



    Title :

    Direct current charging equipment and direct current charging system


    Additional title:

    一种直流充电设备及直流充电系统


    Contributors:
    HE YOUQI (author) / DUAN YI (author) / WANG KUIFENG (author)

    Publication date :

    2024-07-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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



    Power distribution system of direct current charging equipment and direct current charging equipment

    WANG WEIMING / ZHAO JUNJIE / YANG MENGHAO et al. | European Patent Office | 2022

    Free access

    Direct current charging equipment

    ZHAO JUNJIE / QI HONGZHU / WANG WEIMING et al. | European Patent Office | 2022

    Free access

    Charging method of direct current charging system and direct current charging system

    JIAO YONGJIE / ZHANG QINGHAI | European Patent Office | 2022

    Free access

    Direct current charging pile and direct current charging system thereof

    DENG YANBO / NIU HAICHAO / FANG HONGLI et al. | European Patent Office | 2023

    Free access

    Direct current charging system and direct current charging control method

    DING YUMING / HUANG JUE / ZHU XIANG et al. | European Patent Office | 2024

    Free access