Title:
鉛蓄電池の劣化判定装置および鉛蓄電池の劣化判定方法
Document Type and Number:
Japanese Patent JP6638650
Kind Code:
B2
Abstract:
This device for assessing deterioration of a lead storage cell is provided with: a power supply unit that includes a lead storage cell and a secondary cell apart from the lead storage cell, the lead storage cell and the secondary cell being connected in parallel to one another; a voltage detection unit for detecting the voltage of the power supply unit; an acquisition unit for acquiring the internal resistance of the secondary cell; a memory unit for storing in advance an overall electrical current value supplied to a starter motor by the power supply unit when an engine is started by the starter motor; a computation unit that uses a startup voltage representing the voltage of the power supply unit when the engine is started up by the starter motor, the internal resistance of the secondary cell, and the overall electrical current value, to calculate the internal resistance of the lead storage cell; and an assessment unit that compares the calculated internal resistance of the lead storage cell and a predetermined resistance threshold value, and, when the internal resistance of the lead storage cell exceeds the resistance threshold value, assesses the lead storage cell as having deteriorated.
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Inventors:
Takeshi Chiba
Kazuhiro Sugie
Yasuyuki Yoshihara
Mamoru Mukai
Keiji Kishimoto
Kazuhiro Sugie
Yasuyuki Yoshihara
Mamoru Mukai
Keiji Kishimoto
Application Number:
JP2016530814A
Publication Date:
January 29, 2020
Filing Date:
June 09, 2015
Export Citation:
Assignee:
Gs Yuasa Co., Ltd.
International Classes:
G01R31/392; G01R31/379; H01M10/44; H01M10/48; H01M16/00; H02J7/00
Foreign References:
| WO2014068864A1 |
Attorney, Agent or Firm:
Etsushi Kotani
Masataka Otani
Koji Nishitani
Masataka Otani
Koji Nishitani