Remote sensing power disconnect circuit
First Claim
1. A remote sensing power disconnect circuit for applying a ground fault to a power line in response to a power fault condition occurring during the supply of power to a load connected to said power line, comprising:
- power connecting means for applying power to said load in response to a power signal indicating that said load is to be energized;
power detector means for detecting whether power is being supplied to said load; and
means for applying a ground fault to said power line when said power detector means detects that power is being supplied to said load but said power signal does not indicate that said load is to be energized.
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Accused Products
Abstract
A remote control power disconnect circuit for providing a ground fault across an electrical outlet when an unsafe condition such as a lost neutral or shorting of the AC power switch is detected. The remote control power disconnect circuit is placed at each electrical outlet within a dwelling and applies AC power to the outlet only when an appliance (load) is plugged into the outlet and no fault condition is detected. However, when a fault condition is detected, the circuit also functions to apply a ground fault across the outlet and to shut-off the supply of AC power to the outlet. Then, once the fault condition has been remedied, the circuit may be remotely reset so that AC power may again be applied to the electrical outlet. this circuit functions to prevent electrical shock accidents and fire hazards due to electrical shorts in that AC power is not supplied to the electrical outlet when the outlet is not in use and in that the supply of AC power to the outlet is immediately stopped remotely upon the detection of a fault condition.
46 Citations
9 Claims
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1. A remote sensing power disconnect circuit for applying a ground fault to a power line in response to a power fault condition occurring during the supply of power to a load connected to said power line, comprising:
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power connecting means for applying power to said load in response to a power signal indicating that said load is to be energized; power detector means for detecting whether power is being supplied to said load; and means for applying a ground fault to said power line when said power detector means detects that power is being supplied to said load but said power signal does not indicate that said load is to be energized. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification