Patent ID: 11865933
Assignee: BYD COMPANY LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  H  Y | IPC B  H

Claim 12:
13. The energy conversion device according to claim 4, wherein
the external charging port comprises an AC/DC charging port, and the switch circuit comprises a third switch unit and a fourth switch unit;
a first end of the third switch unit is connected to the AC/DC charging port, and a second end of the third switch unit is connected to the motor coil;

a first end of the fourth switch unit is connected to the AC/DC charging port, and a second end of the fourth switch unit is connected to the bridge arm converter or the bidirectional bridge arm;
when the fourth switch unit is connected to the bridge arm converter, the AC/DC charging port, the third switch unit, the fourth switch unit, the motor coil, and the bridge arm converter form the DC charging circuit or a DC discharging circuit for the external battery; and
when the fourth switch unit is connected to the bidirectional bridge arm, the AC/DC charging port, the third switch unit, the fourth switch unit, the motor coil, the bridge arm converter, and the bidirectional bridge arm form the AC charging circuit or an AC discharging circuit for the external battery.