The invention discloses an electric vehicle charging switching device and system. The device comprises an uplink charging loop, a downlink charging loop and a contact isolation knife. The input side of the uplink charging loop is connected with an uplink charging converter in the charging station, and the output side is connected with an uplink charging rail; the input side of the downlink charging loop is connected with a downlink charging converter in the charging station, and the output side is connected with a downlink charging rail; each of the uplink charging loop and the downlink charging loop comprises an isolation knife and a direct current contactor which are sequentially arranged from the input side to the output side; two terminal studs of the contact isolation knife are respectively connected with the uplink charging loop and the downlink charging loop, and the connection positions of the two terminal studs are both located between the isolation knife and the direct current contactor; the connection isolation knife is used for connecting the uplink charging loop and the downlink charging loop when the uplink charging converter or the downlink charging converter breaks down, and the charging converter on the fault-free side is used for supplying power to the charging rail on the fault side. The device can ensure the stable operation of the charging station.

    本发明公开了一种电车充电切换装置及系统,装置包括上行充电回路、下行充电回路和联络隔离刀;上行充电回路输入侧与充电站内上行充电变流器连接,输出侧与上行充电轨连接;下行充电回路输入侧与充电站内下行充电变流器连接,输出侧与下行充电轨连接;上行充电回路和下行充电回路均包括由输入侧向输出侧依次设置的隔离刀和直流接触器;联络隔离刀的两个接线端头分别与上行充电回路和下行充电回路连接,且两个接线端头的连接位置均位于隔离刀和直流接触器之间;联络隔离刀用于在上行充电变流器或者下行充电变流器故障时,联络上行充电回路和下行充电回路,利用无故障侧的充电变流器为故障侧的充电轨供电。本发明的装置可确保充电站的稳定运行。


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    Titel :

    Electric vehicle charging switching device and system


    Weitere Titelangaben:

    一种电车充电切换装置及系统


    Beteiligte:
    GU TAO (Autor:in) / XIE LINGFENG (Autor:in) / CHEN JIELIAN (Autor:in) / SONG QIANRU (Autor:in) / TAO HONGLIANG (Autor:in) / CAI YUFENG (Autor:in) / LIU YONGFENG (Autor:in) / TAN YU (Autor:in)

    Erscheinungsdatum :

    05.05.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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