Title:
IN-CAR POWER SUPPLY DEVICE AND METHOD FOR CONTROLLING SAME
Document Type and Number:
WIPO Patent Application WO/2017/051812
Kind Code:
A1
Abstract:
Provided is a feature in which power is supplied to an external load while generation of an overcurrent is circumvented even when a fault occurs on the main battery side or the sub-battery side. One relay is connected through the other relay to the main battery, and the sub-battery is connected through both of the relays to the main battery. A main power supply pathway circumvents both of the relays from the main battery to connect the main battery to a backup load. A sub-power supply pathway connects the sub-battery and the backup load to each other through the one relay. The other relay shifts from a closed state to an open state when an overcurrent flows, and the one relay shifts from a closed state to an open state when the overcurrent flows in the charging direction, which is the direction in which the current flows when the main battery charges the sub-battery. The one relay does not undergo the shift if the overcurrent flows in the direction opposite from the charging direction.
Inventors:
TSUKAMOTO YOSHIYUKI (JP)
Application Number:
PCT/JP2016/077762
Publication Date:
March 30, 2017
Filing Date:
September 21, 2016
Export Citation:
Assignee:
AUTONETWORKS TECHNOLOGIES LTD (JP)
SUMITOMO WIRING SYSTEMS (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO WIRING SYSTEMS (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
H02J7/34; B60R16/033; B60R16/04; H02J1/00; H02J1/10; H02J7/00
Foreign References:
| JP2012130108A | 2012-07-05 | |||
| JP2010088180A | 2010-04-15 | |||
| JP2015076959A | 2015-04-20 | |||
| JP2015154618A | 2015-08-24 |
Attorney, Agent or Firm:
YOSHITAKE Hidetoshi et al. (JP)
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