Title:
バッテリ劣化検出装置
Document Type and Number:
Japanese Patent JP5821899
Kind Code:
B2
Abstract:
Provided is a battery degradation detection device that detects the degradation state of a battery installed on a vehicle. The battery degradation detection device includes: a flag setting unit that sets, each time the vehicle is started, a flag indicating a sign of degradation of the battery on the basis of a voltage value of the battery at the start of the vehicle; a flag storage unit that stores the flag; a sign-of-degradation determination unit that determines whether or not the battery shows a sign of degradation on the basis of the number of times the flag has been stored in the past; and a degradation determination unit that determines whether or not the battery is in a degradation state on the basis of the voltage value of the battery when it is determined by the sign-of-degradation determination unit that the battery shows a sign of degradation.
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Inventors:
Takayuki Akaishi
Yasuomi Takeuchi
Yasuomi Takeuchi
Application Number:
JP2013117810A
Publication Date:
November 24, 2015
Filing Date:
June 04, 2013
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
G01R31/36; B60K6/28; B60K6/445; B60L3/00; B60L50/16; B60W10/26; B60W20/00; H01M10/48; H02J7/00
Domestic Patent References:
| JP2010164510A | ||||
| JP2012083317A | ||||
| JP2010203790A | ||||
| JP2012068085A | ||||
| JP2004135453A |
Foreign References:
| WO2013051828A2 | ||||
| WO2007105595A1 |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Tadahiko Ito