Title:
電池監視装置の保護回路、及び電池監視装置
Document Type and Number:
Japanese Patent JP6774628
Kind Code:
B2
Abstract:
In a protection circuit, a signal line group includes a plurality of voltage signal lines, and the voltage signal lines are connected to electrode portions of a plurality of unit batteries or electrode portions of a battery module. A first protection circuit portion includes a plurality of Zener diodes, and the Zener diodes are connected in parallel to the unit batteries between the plurality of voltage signal lines. A resistor portion group includes a plurality of resistor portions, and the resistor portions are interposed between the Zener diodes and the unit batteries on the voltage signal lines and restrict a current. A second protection circuit portion includes a plurality of varistors, and the varistors are connected in parallel to the unit batteries between the plurality of voltage signal lines.
Inventors:
Shinichiro Sato
Application Number:
JP2016237263A
Publication Date:
October 28, 2020
Filing Date:
December 07, 2016
Export Citation:
Assignee:
Auto Network Technologies, Ltd.
SUMITOMO WIRING SYSTEMS,LTD.
Sumitomo Electric Industries, Ltd.
SUMITOMO WIRING SYSTEMS,LTD.
Sumitomo Electric Industries, Ltd.
International Classes:
H02J7/00; H01M10/48; H02H9/04; H02J7/02
Domestic Patent References:
| JP2014090635A | ||||
| JP3150369U | ||||
| JP2010057265A | ||||
| JP59122733U |
Attorney, Agent or Firm:
Patent Business Corporation Grund Patent Office