Title:
ON-VEHICLE SWITCHING DEVICE
Document Type and Number:
Japanese Patent JP2022170763
Kind Code:
A
Abstract:
To provide an on-vehicle switching device which switches plural batteries between a series connection state and a parallel connection state and more securely blocks a conducting path that is permissible to flow current in the series connection state.SOLUTION: An on-vehicle switching device 1 has: a changeover circuit 14; a first conducting path 11 through which current can flow in a series connection state and does not flow in a parallel connection state; a second conducting path 12 through which current can flow in the parallel connection state and does not flow in the series connection state; a third conducting path 13 which forms a path between a negative electrode of a first battery 10A and a positive electrode of a second battery 10B in the series connection state and forms a path between both positive electrodes or both negative electrodes of the first battery 10A and the second battery 10B in the parallel connection state; and a fuse part 14D which is provided on the first conducting path 11 and blocks the first conducting path 11 based on an external signal.SELECTED DRAWING: Figure 1
Inventors:
ISAJI YUSUKE
BANDO TAKAYOSHI
BANDO TAKAYOSHI
Application Number:
JP2021076930A
Publication Date:
November 11, 2022
Filing Date:
April 29, 2021
Export Citation:
Assignee:
AUTO NETWORK GIJUTSU KENKYUSHO KK
SUMITOMO WIRING SYSTEMS
SUMITOMO ELECTRIC INDUSTRIES
SUMITOMO WIRING SYSTEMS
SUMITOMO ELECTRIC INDUSTRIES
International Classes:
H02J7/00; B60L3/00; B60L58/19; H02H7/18
Attorney, Agent or Firm:
Patent Attorney Corporation Grund Patent Office