Electrical system monitoring means

Electrical system monitoring means, comprising means for sensing the actual voltage as across to points in a monitored electrical system, electrical switching means, said means for sensing the actual voltage being effective upon sensing a preselected relatively high magnitude of actual voltage or a preselected relatively low magnitude of actual voltage for actuating said switching means, a current monitor for monitoring the current through said monitored electrical system, said current monitor comprising current flow sensing means effective for sensing the magnitude of said monitored current through said monitored electrical system and creating an output signal in response thereto, and means responsive to said output signal and effective upon said output signal indicating the existance of a preselected relatively high magnitude of monitored current for actuation of said switching means.

Electrical system monitoring means, comprising means for sensing the actual voltage as across two points in a monitored electrical system, electrical switching means, said means for sensing the actual voltage being effective upon sensing a preselected relatively high magnitude of actual voltage or a preselected relatively low magnitude of actual voltage for actuating said switching means, a current monitor for monitoring the current through said monitored electrical system, said current monitor comprising current flow sensing mens effective for sensing the magnitude of said monitored current through said monitored electrical system and creating an output signal in response thereto, and means responsive to said output signal and effective upon said output signal indicating the existance of a preselected relatively low magnitude of monitored current for actuation of said switching means.

Electrical system monitoring means, comprising means for sensing the actual voltage as across two points in a monitored electrical system, electrical switching means, said means for sensing the actual voltage being effective upon sensing a preselected relatively high magnitude of actual voltage or a preselected relatively low magnitude of actual voltage for actuating said switching means, a current monitor for monitoring the current through said monitored electrical system, said current monitor comprising current flow sensing means effective for sensing the magnitude of said monitored current through said monitored electrical system and creating an output signal in response thereto, and means responsive to said output signal and effective upon said output signal indicating the existance of a preselected relatively high magnitude or a preselected relatively low magnitude of monitored current flow for actuating said switching means.

Electrical system monitoring means, comprising current monitoring means for monitoring the magnitude of the current in a portion of said electrical system, said current monitoring means comprising current flow sensing means effective for sensing the magnitude of said monitored current flow through said portion of said electrical system and creating an output signal in response thereto, load circuit means, switching means for opening and closing said load circuit means, and means responsive to said output signal and effective upon said output signal indicating the existance of a preselected relatively high magnitude of monitored current flow for actuating said switching means, said current flow sensing means comprising HALL effect means, solid state switch means, and voltage divider means, said solid state switch means being in circuit with said voltage divider means for electrically opening and closing said voltage divider means, and said HALL effect means being effective for actuating said solid state switch means.

Electrical system monitoring means according to claim 31 wherein said electrical load means comprises first and second electrically energizable loads, wherein said switching means comprises first and second switch means, wherein said first switch means is effective for energizing said first electrically energizable load, and wherein said second switch means is effective for energizing said second electrically energizable load.

Electrical system monitoring means, comprising means for sensing the actual voltage as across two points in a monitored electrical system, and electrical switching means, said means for sensing the actual voltage being effective upon sensing a preselected relatively high magnitude of actual voltage for actuating said switching means, said means for sensing the actual voltage comprising voltage divider means and NAND gate means, said NAND gate means comprising first second third and fourth gate means, said first gate means being effective upon the occurrence of said relatively high magnitude of actual voltage for producing and applying a first relatively low signal to said second gate means for in turn causing said second gate means to produce and apply a relatively high signal to said third gate means, said third gate means upon application thereto of said relatively high signal being effective for producing and applying a relatively low signal to said fourth gate means thereby causing said fourth gate means to produce a relatively high output signal and apply such output signal to said switching means for actuation thereof.

Electrical system monitoring means, comprising means for sensing the actual voltage as across two points in a monitored electrical system, and electrical switching means, said means for sensing the actual voltage being effective upon sensing a preselected relatively low magnitude of actual voltage for actuating said switching means, said means for sensing the actual voltage comprising voltage divider means and NAND gate means, said NAND gate means comprising first second third and fourth gate means, said first gate means being effective upon the occurrence of said relatively low magnitude of actual voltage for producing and applying a first relatively high signal to said second gate means for in turn causing said second gate means to produce and apply a relatively low signal to said third gate means, said third gate means upon application thereto of said relatively low signal being effective for producing and applying a relatively high signal to said fourth gate means thereby causing said fourth gate means to produce a relatively low output signal and apply such output signal to said switching means.

Electrical system monitoring means, comprising means for sensing the actual voltage as across two points in a monitored electrical system, electrical switching means, said means for sensing the actual voltage being effective upon sensing a preselected relatively high magnitude of actual voltage for actuating said switching means, a current monitor for monitoring the current through said monitored electrical system, said current monitor comprising current flow sensing means effective for sensing the magnitude of said monitored current through said monitored electrical system and creating an output signal in response thereto, and means responsive to said output signal and effective upon said output signal indicating the existance of a preselected relatively high magnitude of monitored current for actuation of said switching means.

Electrical system monitoring means, comprising means for sensing the actual voltage as across two points in a monitored electrical system, electrical switching means, said means for sensing the actual voltage being effective upon sensing a preselected relatively low magnitude of actual voltage for actuating said switching means, a current monitor for monitoring the current through said monitored electrical system, said current monitor comprising current flow sensing means effective for sensing the magnitude of said monitored current through said monitored electrical system and creating an output signal in response thereto, and means responsive to said output signal and effective upon said output signal indicating the existance of a preselected relatively high magnitude of monitored current for actuation of said switching means.

Electrical system monitoring means, comprising means for sensing the actual voltage as across two points in a monitored electrical system, electrical switching means, said means for sensing the actual voltage being effective upon sensing a preselected relatively high magnitude of actual voltage for actuating said switching means, a current monitor for monitoring the current through said monitored electrical system, said current monitor comprising current flow sensing means effective for sensing the magnitude of said monitored current through said monitored electrical system and creating an output signal in response thereto, and means responsive to said output signal and effective upon said output signal indicating the existence of a preselected relatively low magnitude of monitored current for actuation of said switching means.

Electrical system monitoring means, comprising means for sensing the actual voltage as across two points in a monitored electrical system, electrical switching means, said means for sensing the actual voltage being effective upon sensing a preselected relaively low magnitude of actual voltage for actuating said switching means, a current monitor for monitoring the current through said monitored electrical system, said current monitor comprising current flow sensing means effective for sensing the magnitude of said monitored current through said monitored electrical system and creating an output signal in response thereto, and means responsive to said output signal and effective upon said output signal indicating the existance of a preselected relatively low magnitude of monitored current for actuation of said switching means.

Electrical system monitoring means, comprising means for sensing the actual voltage as across two points in a monitored electrical system, electrical switching means, said means for sensing the actual voltage being effective upon sensing a preselected relatively high magnitude of actual voltage for actuating said switching means, a current monitor for monitoring the current through said monitored electrical system, said current monitor comprising current flow sensing means effective for sensing the magnitude of said monitored current through said monitored electrical system and creating an output signal in response thereto, and means responsive to said output signal and effective upon said output signal indicating the existance of a preselected relatively high magnitude or a preselected relatively low magnitude of monitored current flow for actuating said switching means.

Electrical system monitoring means, comprising means for sensing the actual voltage as across two points in a monitored electrical system, electrical switching means, said means for sensing the actual voltage being effective upon sensing a preselected relatively low magnitude of actual voltage for actuating said switching means, a current monitor for monitoring the current through said monitored electrical system, said current monitor comprising current flow sensing means effective for sensing the magnitude of said monitored current through said monitored electrical system and creating an output signal in response thereto, and means responsive to said output signal and effective upon said output signal indicating the existance of a preselected relatively high magnitude or a preselected relatively low magnitude of monitored current flow for actuating said switching means.

Electrical switching monitoring means, comprising means for sensing the actual voltage as across two points in a monitored electrical system, electrical switching means, said means for sensing the actual voltage being effective upon sensing a preselected relatively high magnitude of actual voltage for actuating said switching means, hysteresis generating means, once said means for sensing the actual voltage senses said preselected relatively high magnitude of actual voltage said hysteresis generating means being effective to cause said means for sensing the actual voltage to continue to respond as if said preselected relatively high magnitude of actual voltage is being sensed until the actual magnitude of the actual voltage decreases to a second magnitude slightly less than said preselected relatively high magnitude, and time delay means effective for delaying de-actuation of said switching means upon said actual voltage changing in magnitude from a magnitude equal to or greater than said preselected relatively high magnitude to a magnitude less than said second magnitude.

Electrical system monitoring means, comprising means for sensing the actual voltage as acrosss two points in a monitored electrical system, electrical switching means, said means for sensing the actual voltage being effective upon sensing a preselected relatively low magnitude of actual voltage for actuating said switching means, hysteresis generating means, once said means for sensing the actual voltage senses said preselected relatively low magnitude of actual voltage said hysteresis generating means being effective to cause said means for sensing the actual voltage to continue to respond as of said preselected relatively low magnitude of actual voltage is being sensed until the actual magnitude of the actual voltage increases to a second magnitude slightly greater than said preselected relatively low magnitude, and time delay means effective for delaying deactuation of said switching means upon said actual voltage changing in magnitude from a magnitude equal to or less than said preselected relatively low magnitude to a magnitude greater than said second magnitude.