The invention relates to the technical field of electric vehicle charging, and provides a range-extended electric vehicle charging system, an electric vehicle and an electric vehicle charging method. The extended-range electric vehicle charging system comprises an original vehicle battery pack; a discharging port of the range extending battery pack is connected with a charging port of the original vehicle battery pack through a first switch assembly, and a charging port of the range extending battery pack is connected with a charging port of the original vehicle battery pack through a second switch assembly; the original vehicle battery pack, the range extending battery pack and the charging base are sequentially connected in series; and a third switch element is arranged between the original vehicle battery pack and the charging base, and/or between the extended range battery pack and the charging base. According to the charging system for the extended-range electric vehicle, the direct-current charging pile is directly used for charging the low-voltage electric vehicle, and when the electric quantity of the original vehicle battery pack is insufficient, the original vehicle battery pack can be charged through the extended-range battery pack.

    本申请涉及电动车充电技术领域,提供一种增程电动车充电系统、电动车及电动车充电方法。增程电动车充电系统,包括:原车电池包;至少一个增程电池包,增程电池包的放电端口通过第一开关组件与原车电池包的充电端口连接,增程电池包的充电端口通过第二开关组件与原车电池包的充电端口连接;充电底座,原车电池包、增程电池包和充电底座依次串联连接;其中,原车电池包和充电底座之间,和/或,增程电池包和充电底座之间,设有第三开关元件。根据本申请实施例的增程电动车充电系统,实现了直接利用直流充电桩给低压电动车充电,在原车电池包电量不足时,还可以通过增程电池包给原车电池包充电。


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    Titel :

    Extended-range electric vehicle charging system, electric vehicle and electric vehicle charging method


    Weitere Titelangaben:

    增程电动车充电系统、电动车及电动车充电方法


    Beteiligte:
    MO JIAQUAN (Autor:in)

    Erscheinungsdatum :

    2023-10-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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



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