The invention discloses a vehicle-mounted charger circuit, and the circuit comprises an OBC unit which comprises a PFC circuit 11 which is connected with the AC input of an AC power supply, and is used for adjusting a power factor; the input of the bidirectional DCDC circuit 12 is the output of the PFC circuit 11; the bidirectional DCDC circuit 12 is used for electrically isolating and adjusting output voltage or current; and the DCDC unit comprises a DCDC circuit 13, and the input of the DCDC circuit 13 is the circuit output of the PFC circuit 11. By using the circuit provided by the invention, the cost and the complexity of the circuit can be reduced, so that the size and the loss can be reduced, and the power density can be improved.

    一种车载充电机电路,包括:OBC单元:包括:PFC电路11:所述PFC电路11连接交流电源AC输入,所述PFC电路11用于调整功率因数;双向DCDC电路12:所述双向DCDC电路12输入为所述PFC电路11输出;所述双向DCDC电路12用于电气隔离,调整输出电压或电流;DCDC单元:包括:DCDC电路13,所述DCDC电路13输入为所述PFC电路11的电路输出。通过使用本发明的电路,可以降低成本和电路的复杂性,因此可以减少体积、减小损耗,提高功率密度。


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    Title :

    Vehicle-mounted charger circuit


    Additional title:

    一种车载充电机电路


    Contributors:
    FU YU (author) / SONG CHONG (author) / YAO DONGDONG (author) / CHEN YAN (author)

    Publication date :

    2023-07-18


    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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