車両の電源制御装置

Japanese Patent JP7316519

B2

To securely prevent the deterioration of a battery when the amount of charge of the battery becomes a threshold or lower, and to appropriately restore the amount of charge of the battery when an engine is restarted thereafter.SOLUTION: A control device for a vehicle power source includes: an ISG 13; a high-voltage battery 14; a low-voltage battery 19; a low-voltage electric load 21; a DC-DC converter 17; a relay circuit 6; and a controller 10 which controls the ISG 13 in such a manner that the amount of charge of the high-voltage battery 14 is maintained within a predetermined range. The controller 10 stops the ISG 13 and the DC-DC converter 17 and opens the relay circuit 6 when the SOC of the high-voltage battery 14 is a first predetermined value or lower, the first predetermined value being smaller than a lower limit value within a predetermined range. The controller stops the DC-DC converter 17 while the amount of charge of the high-voltage battery 14 is lower than the lower limit value when an engine 11 is restarted after the SOC of the high-voltage battery 14 becomes the first predetermined value or lower.SELECTED DRAWING: Figure 5

JP5716715	Rotating electric machine for vehicles
WO/2009/108403	POWER HARVESTING FOR ACTIVELY POWERED RFID TAGS AND OTHER ELECTRONIC SENSORS
JPS58108694	LAMP DRIVING CIRCUIT AND ALTERNATOR CIRCUIT USING SAME

Ken Kurihara
Ryoji Haruna

JP2018219446A

July 28, 2023

November 22, 2018

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Mazda Corporation Inc

H02J7/14; B60K6/485; B60L1/00; B60L3/00; B60L50/16; B60W10/08; B60W10/26; B60W20/13; B60W20/50; H02J7/00

JP2001119808A
JP2005045883A
JP2017094827A
JP2017094894A

Shinichiro Tanaka
Minoru Nakamura
Fumiaki Otsuka
Ken Deshimaru
Ryo Ishizaki

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