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Patent Searching and Data


Title:
VEHICLE CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/163492
Kind Code:
A1
Abstract:
The present invention provides a vehicle control device that can implement a fail operation even in the event of a malfunction in a control system power source, while also curbing an increase in power source capacity. The present invention is provided with: a first switch SW2 that is provided to a first power source line 31 and switches between conduction and interruption between a first microcomputer 14 and a first power source 13; a second switch SW1 that is provided to a second power source line 27 and switches between conduction and interruption between a second microcomputer 15 and a second power source 17; a third power source line 33 for connecting the first power source line and the second power source line; and an equipotential supply circuit that is provided to the third power source line, that disconnects the third power source line when the second power source 17 is normal, and that supplies a voltage, the potential of which is equal to an output voltage of the second power source, to the second power source line from the first power source line in a state where the first switch and the second switch have been disconnected when the second power source is abnormal.

Inventors:
SHIOMI Keishi (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
ICHIGE Atsushi (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
Application Number:
JP2019/003778
Publication Date:
August 29, 2019
Filing Date:
February 04, 2019
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS, LTD. (2520, Takaba Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
International Classes:
H02J1/00; B60R16/02; B60R16/03; G05B9/02; H02J1/10
Attorney, Agent or Firm:
TODA Yuji (6-1, Marunouchi 1-chome, Chiyoda-k, Tokyo 20, 〒1008220, JP)
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