The invention provides a charging and discharging system, a charging and discharging control method and a vehicle, and relates to the technical field of charging, the system comprises an inverter, a first switch, a second switch, a fourth switch, a sixth switch, a seventh switch and a diode; two ends of the first switch and the second switch are respectively connected with the charging equipment and the energy storage equipment; the inverter comprises three bridge arms, the first end of each bridge arm is connected with a second switch through a sixth switch, the second end of each bridge arm is connected with energy storage equipment through a seventh switch, the midpoints of the three bridge arms are correspondingly connected with three-phase windings of the motor respectively, the midpoint of each bridge arm is connected with the first end of a fourth switch through a diode, and the second end of the fourth switch is connected with the energy storage equipment through a fifth switch. The charging voltage of the energy storage equipment is adjusted, the wide-range charging voltage requirement of a vehicle battery pack is met, charging piles of different voltage grades can be matched, the vehicle charging speed is increased, and the quick charging requirement of a user is met.

    本发明提供了一种充放电系统、充放电控制方法及车辆,涉及充电技术领域,所述系统包括逆变器、第一开关、第二开关、第四开关、第六开关、第七开关和二极管;第一开关和第二开关的两端分别与充电设备和储能设备相连;逆变器包括三个桥臂,每个桥臂的第一端通过第六开关与第二开关相连,每个桥臂的第二端通过第七开关与储能设备相连,三个桥臂的桥臂中点分别对应连接电机的三相绕组,每个桥臂中点分别通过一个二极管与第四开关的第一端连接,第四开关的第二端连接储能设备的第二电极,实现对储能设备充电电压的调节,满足车辆电池包宽范围的充电电压需求,可以匹配不同电压等级的充电桩,提高汽车充电速度,满足用户快速充电的需求。


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    Title :

    Charging and discharging system, charging and discharging control method and vehicle


    Additional title:

    一种充放电系统、充放电控制方法及车辆


    Contributors:
    ZHANG WEIXUN (author) / ZHENG FUHUI (author) / YU HAISHENG (author) / TANG LINGCONG (author) / ZHAO YAN (author) / LIN XIAOZHE (author)

    Publication date :

    2024-12-31


    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 / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern




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