Title:
POWER SUPPLY UNIT FOR VEHICLE AND POWER SUPPLY CONTROLLER
Document Type and Number:
Japanese Patent JP2017229132
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a more appropriate power supply controller for a vehicle, which enables a backup operation even if an abnormal state arises in a high voltage battery.SOLUTION: A power supply controller 8 is applied in a vehicle having: a high voltage battery 1 that supplies power to a motor 3 for running the vehicle; a low voltage battery 2; and a bidirectional DC/DC converter 5 provided between the high voltage battery 1 and the low voltage battery 2 and allowing power conversion in bi-directions toward a step-up side and a step-down side. This power supply controller comprises: an input section 8a that inputs a detection signal from a sensor 7 that detects an abnormal state of the high voltage battery 1; and a control section 8b that, if an abnormal state of the high voltage battery 1 is detected on the basis of the detection signal, causes the bi-directional DC/DC converter 5 to start power conversion in a step-up mode and supply power to the motor 3 from the low voltage battery 2 and, after the power conversion in the step-up mode is started, disconnects the high voltage battery 1 from a power supply path.SELECTED DRAWING: Figure 1
Inventors:
OHASHI OSAMU
Application Number:
JP2016122692A
Publication Date:
December 28, 2017
Filing Date:
June 21, 2016
Export Citation:
Assignee:
PANASONIC IP MAN CORP
International Classes:
B60L3/00; B60K6/44; B60L7/14; B60L9/18; B60L11/18; B60L50/16; B60R16/033; B60W10/26; B60W20/14; B60W20/50; H01M10/42; H01M10/44; H01M10/48; H02H5/04; H02H7/18; H02J7/00; H02M3/155
Attorney, Agent or Firm:
Koichi Washida