US 12,132,432 B2
Energy conversion device and vehicle
Heping Ling, Shenzhen (CN); Lei Yan, Shenzhen (CN); Yong Xiong, Shenzhen (CN); Chen Hong, Shenzhen (CN); and Junwei Zhang, Shenzhen (CN)
Assigned to BYD COMPANY LIMITED, Shenzhen (CN)
Filed by BYD COMPANY LIMITED, Guangdong (CN)
Filed on Dec. 2, 2022, as Appl. No. 18/074,233.
Application 18/074,233 is a continuation of application No. PCT/CN2021/094356, filed on May 18, 2021.
Claims priority of application No. 202010502052.4 (CN), filed on Jun. 4, 2020.
Prior Publication US 2023/0097060 A1, Mar. 30, 2023
Int. Cl. H02P 25/22 (2006.01); H02P 27/06 (2006.01); H02P 29/68 (2016.01)
CPC H02P 29/68 (2016.02) [H02P 27/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An energy conversion device, comprising:
a first electrical motor control circuit, connected with a battery pack;
a second electrical motor control circuit, connected with the first electrical motor control circuit in parallel; and
a controller, configured to: when operating in a first control mode, control the first electrical motor control circuit to charge and discharge the battery pack to heat the battery pack, and control the second electrical motor control circuit to output torque.