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Title:
VEHICLE-MOUNTED BATTERY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/106345
Kind Code:
A1
Abstract:
A vehicle-mounted battery system comprises: a battery; a relay for energizing or interrupting a connection between the battery and an inverter; a plurality of switches for switching the relay, the switches being provided on a current path; and a battery control device that monitors the state of the battery. The plurality of switches include a first switch provided inside the battery control device, and a second switch provided inside a vehicle control device that controls the travel of the vehicle. The first and second switches being connected to each other in series on the current path. The battery control device controlling the switching state of the first switch. The vehicle control device controlling the switching state of the second switch.

Inventors:
YAMAUCHI TATSUMI (JP)
MACHIDA AKIHIRO (JP)
IGUCHI TOYOKI (JP)
SAITOU HIROAKI (JP)
HASHIMOTO HIROAKI (JP)
NOMURA AKIHIRO (JP)
Application Number:
PCT/JP2020/036482
Publication Date:
June 03, 2021
Filing Date:
September 25, 2020
Export Citation:
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Assignee:
HITACHI ASTEMO LTD (JP)
NISSAN MOTOR (JP)
International Classes:
B60L3/04; H02H7/00; B60L58/10; H01H47/22; H02J7/00
Domestic Patent References:
WO2017043238A12017-03-16
Foreign References:
JP2013240165A2013-11-28
JP2013089411A2013-05-13
JP2017079107A2017-04-27
JP2012217276A2012-11-08
JP2013240165A2013-11-28
JP2019214100A2019-12-19
Other References:
See also references of EP 4068547A4
Attorney, Agent or Firm:
SUNNEXT INTERNATIONAL PATENT OFFICE (JP)
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