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

Claim 0:
1. An energy conversion device, comprising a motor coil, a bridge arm converter, and a bidirectional bridge arm, wherein:
the bridge arm converter is connected to the motor coil and the bidirectional bridge arm;
the motor coil, the bridge arm converter, and the bidirectional bridge arm are connected to an external charging port, the motor coil is connected between the external charging port and the bridge arm converter, and the bridge arm converter and the bidirectional bridge arm are connected to an external battery;
the motor coil, the bridge arm converter, and the external charging port form a direct current (DC) charging circuit for charging the external battery;
the motor coil, the bridge arm converter, the bidirectional bridge arm, and the external charging port form an alternating current (AC) charging circuit for charging the external battery, and
the motor coil, the bridge arm converter, and the external battery form a motor drive circuit.