The invention discloses a charging and discharging circuit, a charging and discharging device and a vehicle, the charging and discharging circuit comprises a first direct current conversion module and a second direct current conversion module, the first direct current conversion module comprises a plurality of bridge arms and a first transformer, and each bridge arm is connected with a coil of the first transformer; the charging and discharging module is used for charging and discharging a first battery; and the second direct current conversion module is connected with the midpoints of at least part of the bridge arms in the plurality of bridge arms and is used for charging and discharging the second battery. According to the charging and discharging circuit provided by the embodiment of the invention, the number of the power devices in the circuit can be reduced by increasing the number of the multiplexed power devices in the circuit, and the volume and the cost of an integrated circuit can be reduced on the whole.

    本发明公开了一种充放电电路、充放电装置和车辆,其中,充放电电路包括:第一直流转换模块和第二直流转换模块,第一直流转换模块包括多个桥臂和第一变压器,多个桥臂中的各个桥臂分别与第一变压器的线圈连接,用于对第一电池进行充放电;第二直流转换模块,第二直流转换模块与多个桥臂中的至少部分桥臂的中点连接,用于对第二电池进行充放电。本发明实施例提出的充放电电路,通过增加电路中复用的功率器件的数量,能够减少电路中的功率器件的数量,有利于从整体上减小集成电路的体积和降低成本。


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    Title :

    Charging and discharging circuit, charging and discharging device and vehicle


    Additional title:

    充放电电路、充放电装置和车辆


    Contributors:
    ZHANG FEI (author) / YIN ZHANGFENG (author) / WANG YINGHUI (author) / WANG CHAO (author)

    Publication date :

    2025-04-04


    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 / 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



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