公开(公告)号：US20230038790A1

公开(公告)日：2023-02-09

申请号：US17790398

申请日：2020-12-10

Applicant: BYD COMPANY LIMITED

Inventor： Heping LING ,  Hua PAN ,  Feiyue XIE ,  Ri HUANG ,  Yihao ZHENG

IPC: B60L58/27 ,  H02P27/08 ,  H02J7/00 ,  H01M10/42 ,  H01M10/44 ,  H01M10/615 ,  H01M10/625 ,  H01M10/63

Abstract: The present disclosure relates to the technical field of vehicles, and provides a vehicle and an energy conversion device and a control method therefor. The energy conversion device includes a motor controller, a bus capacitor, a first switch module, a motor, and a second switch module. By controlling the first switch module and the second switch module to be turned on/off, a motor driving circuit can be formed by a battery pack, the first switch module, the bus capacitor, the motor controller, and the motor, and a charging and discharging circuit can be formed by the battery pack, the second switch module, the motor, the motor controller, and the bus capacitor.