Title:
VEHICULAR ELECTRIC POWER CONTROL APPARATUS
Document Type and Number:
Japanese Patent JP2023136787
Kind Code:
A
Abstract:
To solve the problem of a vehicular electric power control apparatus in which the occurrence of a layer short circuit in wiring is difficult to detect and may cause a vehicle fire.SOLUTION: In a vehicular electric power control apparatus 10, a layer short circuit determination section 11B compares first current detection values which are current values flowing through semiconductor fuses 22A-26A with second current detection values which are current values flowing through vehicular auxiliary devices 17-21, and determines whether or not a layer short circuit occurs in wiring between each of the semiconductor fuses 22A-26A and a corresponding one of the vehicular auxiliary devices 17-21. The occurrence of the layer short circuit in the wiring between any of the semiconductor fuses 22A-26A and the corresponding one of the vehicular auxiliary devices 17-21 is detected by such a structure, and a switch changeover section 11C cuts off a current flowing toward the corresponding one of the vehicular auxiliary devices 17-21. As a result, it is possible to prevent heat generation in the wiring where the layer short circuit occurs, and to prevent the occurrence of smoking or a vehicle fire afterward.SELECTED DRAWING: Figure 1
Inventors:
HANAWA TAKAHIRO
Application Number:
JP2022042670A
Publication Date:
September 29, 2023
Filing Date:
March 17, 2022
Export Citation:
Assignee:
SUBARU CORP
International Classes:
B60R16/02; H02H7/18
Attorney, Agent or Firm:
Yoshitaka Okada
Masahisa Ohtake
Takashi Okada
Shimo Shigeru
Masahisa Ohtake
Takashi Okada
Shimo Shigeru
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