The invention discloses a new energy automobile charging system and a working method thereof, and relates to the field of electric automobile charging. The problems that in the prior art, an electric vehicle charging system is low in charging efficiency, single in working mode and low in power density are solved. An input unit comprises a direct current transmission circuit, an alternating current transmission circuit and a vehicle-mounted wireless electric energy transmission circuit. The energy conversion unit comprises a power factor correction circuit A, a direct current bus capacitor Cdc, a bidirectional CLLLC resonant converter, a maintenance capacitor Co, a hybrid energy storage circuit and a power battery which are connected in sequence, the alternating current transmission circuit is connected with the power factor correction circuit A, and the direct current transmission circuit is connected with the power battery through a switch KD; the power density of the electric vehicle energy storage system can be improved, and the service life of the power battery is prolonged.

    本发明公开了新能源汽车充电系统及其的工作方法,涉及电动汽车充电领域。本发明为了解决现有技术中的电动汽车充电系统存在充电效率低、工作模式单一和功率密度低的问题。本发明的输入单元包括直流传输电路、交流传输电路和车载无线电能传输电路;能量转换单元包括依次连接的功率因数校正电路A、直流母线电容Cdc、双向CLLLC谐振变换器、维持电容Co、混合储能电路和动力电池,所述交流传输电路连接功率因数校正电路A,直流传输电路通过开关KD连接动力电池;本发明能够提高电动汽车储能系统的功率密度,延长动力电池的使用寿命。


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    Titel :

    New energy automobile charging system and working method thereof


    Weitere Titelangaben:

    新能源汽车充电系统及其工作方法


    Beteiligte:
    ZHOU KAI (Autor:in) / CHEN SIMIN (Autor:in)

    Erscheinungsdatum :

    2022-05-10


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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



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