Title:
バッテリ管理装置およびバッテリ管理方法
Document Type and Number:
Japanese Patent JP7236984
Kind Code:
B2
Abstract:
To provide a battery management device capable of preventing battery exhaustion of an auxiliary battery without increasing power consumption of a vehicle being parked, and a battery management method.SOLUTION: A battery management device comprises an acquisition unit, a determination unit, a storage unit and a command unit. The acquisition unit receives and acquires from a vehicle voltages of an auxiliary battery at time points in which the vehicle is powered off and powered on. The determination unit determines a state of the auxiliary battery on the basis of the voltages acquired by the acquisition units. The storage unit stores the state of the auxiliary battery. During a period in which the vehicle is powered off, the command unit transmits to the vehicle a command for charging the auxiliary battery from a main battery on the basis of the state of the auxiliary battery.SELECTED DRAWING: Figure 1
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Inventors:
Roppongi alone
Hideyuki Chisaka
Koji Kumai
Hideyuki Chisaka
Koji Kumai
Application Number:
JP2019206485A
Publication Date:
March 10, 2023
Filing Date:
November 14, 2019
Export Citation:
Assignee:
Densoten Co., Ltd.
TOYOTA JIDOSHA KABUSHIKI KAISHA
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
H02J7/00; B60L1/00; B60L50/60; B60L58/10; B60R16/03; B60R16/04; H01M10/42; H01M10/44; H01M10/48; H02J13/00
Domestic Patent References:
| JP2017041952A | ||||
| JP2007228657A | ||||
| JP2014090630A | ||||
| JP2015136275A | ||||
| JP2006074867A | ||||
| JP2011229287A | ||||
| JP2009185764A | ||||
| JP2006327487A |
Attorney, Agent or Firm:
Sakai International Patent Office
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