Title:
VEHICLE POWER SHUT-OFF SYSTEM FOR VEHICLE
Document Type and Number:
Japanese Patent JP2022013791
Kind Code:
A
Abstract:
To improve reliability relating to an electric power shut-off operation.SOLUTION: A vehicle power shut-off system 1 includes: a shut-off unit 2 having a first power terminal 8 and a second power terminal 10 receiving power supply from an auxiliary equipment battery 14, a shut-off control part 9, and a pyrotechnic shut-off part 11 controlled by the shut-off control part 9 and capable of shutting off power supply from a vehicle propulsion driving power storage part 12 to a vehicle propulsion driving load 13; and a backup unit 3 having a power storage part 7, a first discharge circuit 5 capable of outputting the power of the power storage part 7 to the shut-off control part 9 with a first voltage, a second discharge circuit 6 capable of outputting the power of the power storage part 7 to the pyrotechnic shut-off part 11 with a second voltage having a higher value than that of the first voltage when the first discharge circuit 5 outputs the first voltage to the shut-off control part 9, and a power supply control part 4 controlling operations of the first discharge circuit 5 and the second discharge circuit 6.SELECTED DRAWING: Figure 1
Inventors:
HIROBE TAKASHI
KAGEYAMA YOICHI
KAGEYAMA YOICHI
Application Number:
JP2021105314A
Publication Date:
January 18, 2022
Filing Date:
June 25, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CORP
International Classes:
B60L3/04; B60L50/60; B60L58/10; H01H39/00; H02J7/00; H02J7/34
Attorney, Agent or Firm:
Hiroi Arai
Teraya Eisaku
Shinichi Michizaka
Teraya Eisaku
Shinichi Michizaka
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