Electricity: measuring and testing – Electrolyte properties – Using a battery testing device
Patent
1998-12-08
2000-07-18
Nguyen, Vincent Q.
Electricity: measuring and testing
Electrolyte properties
Using a battery testing device
324425, G01R 3130
Patent
active
060912464
ABSTRACT:
Each voltage sensor is provided one to one for a plurality of batteries, for detecting a terminal voltage of each battery. A current sensor detects a current flowing from the plurality of batteries to a load. A reading section reads for each battery a voltage value detected by a corresponding voltage sensor and a current value detected by the current sensor at every predetermined period of time, and collects a predetermined number of detected voltage values and corresponding detected current values. A remaining capacity calculator calculates a battery remaining capacity for each battery based on the plurality of detected voltage values and the plurality of corresponding detected current values, selects a battery remaining capacity having a minimum value from out of a plurality of calculated battery remaining capacities, and calculates a remaining capacity of the whole of the plurality of batteries based on the selected battery remaining capacity.
REFERENCES:
patent: 5479085 (1995-12-01), Honda et al.
patent: 5545969 (1996-08-01), Hasegawa
patent: 5578927 (1996-11-01), Perelle
patent: 5602481 (1997-02-01), Fukuyama
patent: 5612608 (1997-03-01), Ishiguro et al.
patent: 5703469 (1997-12-01), Kinoshita
Arai Yoichi
Saigo Tsutomu
Nguyen Vincent Q.
Yazaki -Corporation
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