Title:
POWER SUPPLY DEVICE, CONTROL METHOD AND CONTROL PROGRAM
Document Type and Number:
Japanese Patent JP2023156719
Kind Code:
A
Abstract:
To provide a power supply device that can suppress the number of times of operation of a system main relay from increasing accompanying execution of pump-out control, so as to reduce influence on a service life of a component of the system main relay.SOLUTION: A power supply device comprises a relay provided between a high-voltage battery and one or more on-vehicle instruments, and a control part that controls supply of electric power from the high-voltage battery to the one or more on-vehicle instruments, by switching ON/OFF of the relay, on the basis of a state of a main switch that actuates a travelling system of a vehicle. When the main switch is turned OFF with the relay turned ON, the control part makes the high-voltage battery supply electric power to a specific on-vehicle instrument while maintaining the relay in an ON state, when the one or more on-vehicle instruments include the specific on-vehicle instrument that is actuated after the main switch is turned OFF.SELECTED DRAWING: Figure 1
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Inventors:
UMEMOTO AKIRA
INOUE SHINICHI
SHIMOSAKA SHOYA
MURAKAMI YUKIHIKO
INOUE SHINICHI
SHIMOSAKA SHOYA
MURAKAMI YUKIHIKO
Application Number:
JP2022066240A
Publication Date:
October 25, 2023
Filing Date:
April 13, 2022
Export Citation:
Assignee:
TOYOTA MOTOR CORP
SUBARU CORP
DENSO TEN LTD
SUBARU CORP
DENSO TEN LTD
International Classes:
B60L1/00; B60L50/60; B60L58/10; B60R16/02; H02J7/00
Attorney, Agent or Firm:
Patent Attorney Corporation Ogasawara Patent Office