Power supply control device for electric vehicle

Details Power supply control device for electric vehicle Power supply control device for electric vehicle

1996-07-30

1998-08-18

Elms, Richard T.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

307 64, H02H 100

Patent

active

057961751

ABSTRACT:
A backup power supply 11 is not loaded by peripheral equipment 9 and a low-voltage battery 5. A switch controller 12 is energized by any of the backup power supply 11, the DC/DC converter 7, and the low-voltage battery 5 for controlling the energization of a relay 3L. When the power supply from the DC/DC converter 7 and the low-voltage battery 5 to the switch controller 12 is declined, it is complemented by the backup power of a low voltage from the backup power supply 11. Accordingly, the switch controller 12 is always energized with a sufficient level of the power supply regardless of the residual storage of the low-voltage battery 5.

REFERENCES:
patent: 5510658 (1996-04-01), Nakayama
patent: 5569966 (1996-10-01), Schantz et al.

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