The invention provides an electric automobile end charging circuit, a current and voltage control method thereof and an automobile. The electric automobile end charging circuit comprises a secondary side power transmission circuit used for receiving power output by a primary side; a rectifier bridge circuit which is connected with the secondary side power transmission circuit and comprises a firstpower diode, a second power diode, a fifth field effect transistor and a sixth field effect transistor, wherein the negative electrode of the first power diode is connected with the negative electrode of the second power diode, the positive electrode of the first power diode is connected with the drain electrode of the fifth field effect transistor, the positive electrode of the second power diode is connected with the drain electrode of the sixth field effect transistor, and the source electrode of the fifth field effect transistor is connected with the source electrode of the sixth field effect transistor; an output filter circuit which is used for filtering the current output by the rectifier bridge circuit; a current detection circuit which is used for detecting the output current ofthe output filter circuit; and a rectification control circuit. According to the scheme, the effect of constant-voltage output is achieved, and the purpose that the system quickly responds to constant-current output is achieved.

    本发明提供了一种电动汽车端充电电路及其电流、电压控制方法及汽车,电动汽车端充电电路包括:用于接收原边输出的功率的副边功率传输电路;与副边功率传输电路连接的整流桥电路,包括第一功率二极管、第二功率二极管、第五场效应管和第六场效应管;第一功率二极管的负极与第二功率二极管的负极连接,第一功率二极管的正极与第五场效应管的漏极连接,第二功率二极管的正极与第六场效应管的漏极连接,第五场效应管的源极与第六场效应管的源极连接;对整流桥电路输出的电流进行滤波的输出滤波电路;用于检测输出滤波电路的输出电流的电流检测电路;整流控制电路。上述方案,实现了恒压输出的效果,达到了系统快速响应恒流输出的目的。


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    Title :

    Electric automobile end charging circuit, current and voltage control method thereof and automobile


    Additional title:

    一种电动汽车端充电电路及其电流、电压控制方法及汽车


    Contributors:
    CHEN HONGZE (author) / FAN CHUNPENG (author) / JIANG RONGXUN (author)

    Publication date :

    2021-03-30


    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 / 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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