Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1988-07-15
1989-10-03
Hickey, R. J.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
323906, H02J 700
Patent
active
048719595
ABSTRACT:
Multi-solar cell panel powered trickle chargers are provided for lead acid batteries with the solar cell panel power connected to a DC to AC inverter multi-vibrator having a center tap and opposite end connections to a primary coil of a transformer. The secondary coil of the transformer has opposite end connections to two opposite terminals of a four diode rectifier bridge. The other opposite connections of the four diode AC to DC rectifier bridge are connected to like polarity terminals of a battery with connection via an insert into a cigarette lighter holder in a vehicle, or into a receptacle with two wires with end clips connectable to the terminals of a battery. In one embodiment the connection is a steady state trickle charger while in another embodiment the circuitry out of the four diode AC to DC rectifier bridge includes a relatively small value capacitor connected across the bridge output terminals and, in one line, a zener diode, silicon controlled rectifier (SCR) and resistor network is included such that when the small capacitor reaches a discharge triggering voltage the zener diode is fired activating the SCR discharging at approximately 4 to 5 amps across the battery every few milliseconds.
REFERENCES:
patent: 4626983 (1986-12-01), Harada et al.
patent: 4644256 (1987-02-01), Farias et al.
patent: 4695935 (1987-09-01), Oen et al.
patent: 4786851 (1988-11-01), Fuji et al.
Hickey R. J.
Kintzinger Warren H.
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