Title:
PROTECTION CIRCUIT AND POWER STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/117566
Kind Code:
A1
Abstract:
A protection circuit 100 of a power storage device 20 equipped with external terminals 58A, 58B, the protection circuit 100 being equipped with a return circuit 110 connected in parallel to a load 12 connected between the external terminals, and also equipped with a switching circuit 120, wherein: the return circuit 110 is equipped with a return element 111 which causes an induced current produced when the current to the load 12 is blocked to return to the load 12, and a current-blocking part 115 which is connected in series to the return element 111; and the switching circuit 120 switches the current-blocking part 115 from conducting to blocking after a delay of a prescribed interval from when a reverse voltage is applied to the external terminals 58A, 58B.
Inventors:
FUJIMATSU MASAKATSU (JP)
Application Number:
PCT/JP2020/044770
Publication Date:
June 17, 2021
Filing Date:
December 02, 2020
Export Citation:
Assignee:
GS YUASA INT LTD (JP)
International Classes:
G05F1/10; H02H7/18; H02J7/00
Foreign References:
| JP2018007090A | 2018-01-11 | |||
| JP2010044521A | 2010-02-25 | |||
| JP2017200308A | 2017-11-02 |
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