Solenoid activation circuitry using high voltage

Details Solenoid activation circuitry using high voltage Solenoid activation circuitry using high voltage

1986-08-22

1988-10-11

Hix, L. T.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

Systems for magnetizing, demagnetizing, or controlling the...

361156, 361194, H01H 4700, H01H 4732, H01H 900

Patent

active

047775564

ABSTRACT:
Solenoid activation circuitry utilizing a high voltage for energizing a low voltage solenoid from a low voltage source of power comprising a capacitor having first and second terminals with the second terminal being connected to ground. A converter is provided having an input and an output. The input of the converter is adapted to be connected to the low voltage source of power and the output of the converter is connected to the first terminal of the capacitor. A device is provided for sensing the voltage on the first terminal of the capacitor to ascertain when the voltage on the first terminal of the capacitor has reached a predetermined high voltage which is substantially above that of the low voltage of the power source. A switch is provided and is adapted to be connected to the solenoid for causing the capacitor to discharge into the solenoid when the predetermined high voltage has been reached on the capacitor to overcome the initial air gap in the solenoid to move the solenoid to an actuated position.

REFERENCES:
patent: 4112477 (1978-09-01), Sherwin
patent: 4318154 (1982-03-01), De Puy
patent: 4539619 (1985-09-01), Hill
patent: 4609780 (1986-09-01), Clark

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