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Title:
ON-VEHICLE SHUTOFF CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/004140
Kind Code:
A1
Abstract:
An on-vehicle shutoff control device (10) has a conduction path (first conduction path (11)), a voltage generation unit (13), a short circuit detection unit (14), and a driving unit (15). The conduction path (first conduction path (11)) is insulated from a low voltage battery (3) and a voltage lower than an output voltage of a high voltage battery (5) is applied to the conduction path (first conduction path (11)). The voltage generation unit (13) generates a voltage to be applied to the conduction path (first conduction path (11)) on the basis of an output voltage of the low voltage battery (3) or the high voltage battery (5). The short circuit detection unit (14) is driven by receiving electric power from the conduction path (first conduction path (11)). The driving unit (15) operates by receiving electric power from the conduction path (first conduction path (11)) and outputs a shutoff signal for switching a shutoff unit (7) to a shutoff state. A detected signal is input to the short circuit detection unit (14) and the short circuit detection unit (14) detects a short circuit of an electric power path (6) on the basis of the detected signal. When the short circuit detection unit (14) detects the short circuit of the electric power path (6), the driving unit (15) switches the shutoff unit (7) to the shutoff state.

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Inventors:
KURATOMI TAKAHIRO (JP)
Application Number:
PCT/JP2022/026240
Publication Date:
January 04, 2024
Filing Date:
June 30, 2022
Export Citation:
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Assignee:
AUTONETWORKS TECHNOLOGIES LTD (JP)
SUMITOMO WIRING SYSTEMS (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
H01H9/54
Domestic Patent References:
WO2017013934A12017-01-26
Foreign References:
JP2001037070A2001-02-09
JP2011172422A2011-09-01
JPH09167693A1997-06-24
Attorney, Agent or Firm:
GRANDOM PATENT LAW FIRM (JP)
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