초록 ▼

A device for controlling a power distribution to subsystems which has a power input to be connected to a power source, a primary power output to be connected to a primary device, at least one secondary power output to be connected to at least one secondary device; sensing unit for sensing when a cur

A device for controlling a power distribution to subsystems which has a power input to be connected to a power source, a primary power output to be connected to a primary device, at least one secondary power output to be connected to at least one secondary device; sensing unit for sensing when a current level falls below a threshold in response to the primary device being turned off and when the level current raises above a threshold in response to the primary device being turned on; and executing unit operatively connected with the sensing unit and operative for interrupting a power supply to the at least one secondary device when the sensing unit sense the current level below the threshold and supplying power to the at least one secondary device when the sensing unit sense the current level above the threshold corresepondingly.

대표청구항 ▼

1. A device for controlling a power distribution of subsystems, comprising a power input to be connected to a power source, a primary power output to be connected to a primary device; at least one secondary power output to be connected to at least one secondary system; sensing means including a curr

1. A device for controlling a power distribution of subsystems, comprising a power input to be connected to a power source, a primary power output to be connected to a primary device; at least one secondary power output to be connected to at least one secondary system; sensing means including a current sensing resistor connected in series to said power input and also connected in series with said primary device and converting a current drawn by said primary device into voltage and a triac connected parallel to and driven directly by said current sensing resistor and sensing when the voltage across said current sensing resistor created by said primary device exceeds a gate trigger voltage of said triac so that when said voltage across said current sensing resistor exceeds the gate trigger voltage said triac turns on; and executing means operatively connected with said sensing means and operative for supplying current to said at least one secondary device when said triac turns on in response to said voltage across said current sensing resistor exceeding the gate trigger voltage of said triac; and means for limiting voltage across said sensing means so as to limit heat produced by said sensing means but at the same time to allow tripping of said sensing means. 2. A device as defined in claim 1; and further comprising time delay means which is located between said sensing means and said executing means and is operative for delaying interruption of power or supply of power to the at least on secondary device in response to the sensing of the current level below the threshold by the sensing means correspondingly. 3. A device as defined in claim 2, wherein said time delay means include a capacitor and resistors located between said sensing means and said executing means. 4. A device as defined in claim 1, wherein said executing means includes a DC relay. 5. A device as defined in claim 1, wherein said executing means includes a mechanical AC relay. 6. A device as defined in claim 1, wherein said executing means includes a solid state AC relay. 7. In combination with an electrical power source, a primary device, and at least one secondary device, a device for controlling a power distribution comprising a power input to be connected to a power source, a primary power output to be connected to a primary device; at least one secondary power output to be connected to at least one secondary system; sensing means including a current sensing resistor connected in series to said power input and also connected in series with said primary device and converting a current drawn by said primary device into voltage and a triac connected parallel to and driven directly by said current sensing resistor and sensing when the voltage across said current sensing resistor created by said primary device exceeds a gate trigger voltage of said triac so that when said voltage across said current sensing resistor exceeds the gate trigger voltage said triac turns on; and executing means operatively connected with said sensing means and operative for supplying current to said at least one secondary device when said triac turns on in response to said voltage across said current sensing resistor exceeding the gate trigger voltage of said triac; and means for limiting voltage across said sensing means so as to limit heat produced by said sensing means but at the same time to allow tripping of said sensing means.