Independent backup power supply for a security barrier
First Claim
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1. A security barrier system with alternate power source, said system comprising:
- a security barrier movable between an open and a closed position;
a mechanical apparatus for moving said barrier when said mechanical apparatus is engaged by an appropriate motive force;
a primary motor for engaging said mechanical apparatus to thereby move said barrier between said open and closed position;
a primary power supply to power operation of said primary motor;
a barrier controller operatively connected to said primary motor to thereby control the bi-directional movement of said barrier between said open and closed position by controlling operations of said primary motor;
a secondary motor operatively connected to said barrier controller and said secondary motor engaging said mechanical apparatus;
a secondary power supply to power operation of said secondary motor;
a sensor connected to said system for sensing failure to said primary power supply or primary motor; and
an activation device connected to said system, which upon receipt of a signal from said sensor indicating a failure of said primary power supply or said primary motor activates operation of said secondary power supply and said secondary motor,and said controller continues to control bi-directional movement of the barrier between said open and closed positions without interruption.
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Abstract
A system is disclosed for providing a backup power supply for a security gate system. In a preferred embodiment it includes a primary power supply, an AC motor and an auxiliary DC motor that share the same accessory devices including controller, movement mechanism, sensors, communication unit, etc. The auxiliary DC motor has its own independent DC power supply. If the primary power supply fails the auxiliary power supply takes over and moves the barrier between the open and closed positions as needed without interruption of service.
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Citations
11 Claims
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1. A security barrier system with alternate power source, said system comprising:
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a security barrier movable between an open and a closed position;
a mechanical apparatus for moving said barrier when said mechanical apparatus is engaged by an appropriate motive force;
a primary motor for engaging said mechanical apparatus to thereby move said barrier between said open and closed position;
a primary power supply to power operation of said primary motor;
a barrier controller operatively connected to said primary motor to thereby control the bi-directional movement of said barrier between said open and closed position by controlling operations of said primary motor;
a secondary motor operatively connected to said barrier controller and said secondary motor engaging said mechanical apparatus;
a secondary power supply to power operation of said secondary motor;
a sensor connected to said system for sensing failure to said primary power supply or primary motor; and
an activation device connected to said system, which upon receipt of a signal from said sensor indicating a failure of said primary power supply or said primary motor activates operation of said secondary power supply and said secondary motor,and said controller continues to control bi-directional movement of the barrier between said open and closed positions without interruption. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification