US 12,444,936 B2
System power supply
Tinghua Yuan, Anhui (CN)
Assigned to HEFEI YITONG ELECTRONIC TECHNOLOGY CO., LTD, Anhui (CN)
Appl. No. 18/284,536
Filed by HEFEI YITONG ELECTRONIC TECHNOLOGY CO., LTD, Anhui (CN)
PCT Filed Mar. 15, 2022, PCT No. PCT/CN2022/080959
§ 371(c)(1), (2) Date Dec. 6, 2023,
PCT Pub. No. WO2022/218086, PCT Pub. Date Oct. 20, 2022.
Claims priority of application No. 202110390283.5 (CN), filed on Apr. 12, 2021.
Prior Publication US 2024/0162702 A1, May 16, 2024
Int. Cl. H02J 1/06 (2006.01); H02M 1/32 (2007.01); H02M 3/24 (2006.01)
CPC H02J 1/06 (2013.01) [H02M 3/24 (2013.01); H02M 1/32 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A system power supply, wherein the system power supply comprises:
an input power supply;
a working power supply unit;
a plurality of control modules; and
a wiring harness, wherein the wiring harness comprises a working power supply line and an input power supply line, an input power supply port of each of the plurality of control modules is connected to the input power supply line, and a working power supply port of each of the plurality of control modules is connected to the working power supply line,
wherein the input power supply is connected to the input power supply line, and an output of the working power supply unit is connected to the working power supply line,
wherein the input of the working power supply unit is the input power supply or an external power supply,
wherein the working power supply unit is an isolated DC/DC power source, wherein a positive input end of the isolated DC/DC power source is connected to the input power supply, and a negative output end of the isolated DC/DC power source is connected to a positive pole of the input power supply,
wherein the working power supply unit is a DC/DC conversion power source, a positive input end of the DC/DC conversion power source is connected to the input power supply, and a negative output end of the DC/DC conversion power source is connected to a negative pole of the input power supply.