Charger for dry galvanic cells using asymmetrical current

Details Charger for dry galvanic cells using asymmetrical current Charger for dry galvanic cells using asymmetrical current

H - Electricity

02

J

H02J 7/02 (2006.01)

Patent

CA 2230192

An improved charging circuit apparatus for charging both "rechargeable" and "non-rechargeable" batteries from an AC power source utilizing capacitors (3 and 5) and two diodes (6 and 7). The anode of the first diode (6) is connected to a first output terminal (10) and a first input terminal (1); the first diode's cathode being connected to the anode of the second diode (7), the cathode of the second diode being connected to a second output terminal (11). The capacitors are connected to the second input terminal (2). One capacitor (3) is further connected to the cathode of the first diode (6) and therefore anode of the second diode (7). A second capacitor (5) is further connected to the second output terminal (11). A current limiting circuit (37) is also provided which is connected to the charging circuit to provide protection against overcharging of the batteries.

L'invention porte sur un appareil à circuit de charge amélioré destiné à charger, tant des piles "rechargeables" que des piles "non rechargeables", à partir d'une source de courant alternatif faisant intervenir des condensateurs (3 et 5) et deux diodes (6 et 7). L'anode de la première diode est connectée à une première borne de sortie (10) ainsi qu'à une première borne d'entrée (1), la cathode de la première diode étant connectée à l'anode de la seconde diode (7) et la cathode de la seconde diode à une seconde borne de sortie (11). Les condensateurs sont connectés à la seconde borne d'entrée (2). Un condensateur (3) est, en outre, connecté à la cathode de la première diode (6) et, par conséquent, à l'anode de la seconde diode (7). Un second condensateur (5) est, en outre, connecté à la seconde borne de sortie (11). Le dispositif comporte également un circuit de limitation de courant (37) connecté au circuit de charge afin de le protéger contre une charge excessive des piles.

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