Battery charging circuit

Details Battery charging circuit Battery charging circuit

1985-11-15

1987-08-11

Hickey, R. J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 35, H02J 710

Patent

active

046864440

ABSTRACT:
A battery charging circuit, which can charge storage batteries upto the required voltage level, and prevent them from being overcharged by use of a thyristor, a temperature sensor and a current regulation means. The circuit uses a regulated switched B.sup.+ supply which is controlled by a transistor which is switched on and off by control of the thyristor. The circuit of the present invention consequently can protect not only the storage batteries themselves, but also the electronic circuits and instruments, which use the storage batteries as their power sources, from being damaged due to overcharging.

REFERENCES:
patent: 4031450 (1977-06-01), Hammel et al.
patent: 4240022 (1980-12-01), Kilinskis
patent: 4528492 (1985-07-01), Inaniwa
patent: 4560915 (1985-12-01), Soultanian
patent: 4602204 (1986-07-01), Hase

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