Battery discharge control circuit

Details Battery discharge control circuit Battery discharge control circuit

1994-08-02

1995-08-08

Shah, Mukund J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

429 61, H02J 700

Patent

active

054402204

ABSTRACT:
A battery discharge control circuit is provided with a timer for timing the decision of the state of a battery loaded into a battery discharger between a discharged state and a nondischarged state so that the state of the battery is decided a predetermined time after the battery has been loaded into the battery discharger. The control circuit prevents the battery discharger from discharging an undischarged battery due to noise generated by chattering contact between the battery and the battery discharger in loading the battery into the battery discharger or due to the variation of the detected value of the terminal voltage of the battery caused by the influence of the self-healing characteristic and temperature characteristic of the battery. The control circuit also prevents the battery discharger from again discharging a discharged battery.

REFERENCES:
patent: 3831081 (1974-08-01), Weiss
patent: 3930198 (1975-12-01), Williamson, Jr.
patent: 4575669 (1986-03-01), Brown
patent: 4713564 (1987-12-01), Kimball et al.
patent: 4902956 (1990-02-01), Sloan
patent: 5089762 (1992-02-01), Sloan
patent: 5159257 (1992-10-01), Oka et al.
patent: 5173653 (1992-12-01), Hochstein

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