US 11,987,191 B2
Back-up power supply system and mobile body
Yohsuke Mitani, Osaka (JP); and Masatoshi Nakase, Osaka (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Appl. No. 17/998,651
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
PCT Filed May 18, 2021, PCT No. PCT/JP2021/018828
§ 371(c)(1), (2) Date Nov. 11, 2022,
PCT Pub. No. WO2021/235444, PCT Pub. Date Nov. 25, 2021.
Claims priority of application No. 2020-088404 (JP), filed on May 20, 2020.
Prior Publication US 2023/0192017 A1, Jun. 22, 2023
Int. Cl. H02J 7/34 (2006.01); B60R 16/033 (2006.01); H02J 9/00 (2006.01)
CPC B60R 16/033 (2013.01) [H02J 7/345 (2013.01); H02J 9/002 (2013.01); H02J 2207/20 (2020.01)] 14 Claims
OG exemplary drawing
 
1. A back-up power supply system configured to supply electric power from an electric storage device to a plurality of loads when a power supply is defective, the back-up power supply system comprising:
a voltage conversion circuit configured to convert an output voltage of the electric storage device, wherein
the plurality of loads include a first load and a second load,
the back-up power supply system is configured to supply electric power from the power supply to the first load and the second load not via the voltage conversion circuit when the power supply is not defective,
the back-up power supply system is configured to supply electric power from the electric storage device to the first load not via the voltage conversion circuit when the power supply is defective, and
the back-up power supply system is configured to supply electric power from the electric storage device to the second load via the voltage conversion circuit.