Exit Dysplay Apparatus for Fire door and Evacuation door with Laser

摘要

An emergency exit display apparatus for a fire door and an evacuation door using laser of the present invention comprises a fire door usually positioned outside or inside a wall surface of a building, separated from the wall surface to form a fire section in case of fire, having an object to be detected by a closure detection sensor positioned on a wall surface met when forming the fire section or on a door frame, in which the object to be detected is positioned within the detection range of the closure detection sensor when the object to be detected is closed, and provided with an emergency exit at one part; an LED emergency guide lamp installed at a wall surface positioned at an upper part of the fire door or at the door frame to indicate words informing of the emergency exit through an LED, and in which a transparent reflection plate is attached to a front surface of the LED; a laser radiating means which radiates the words informing of the emergency exit by laser; and a control unit which controls the laser radiating means to radiate laser having the same shape with the emergency exit onto the emergency exit, and to radiate the words informing of the emergency exit by laser onto an upper end of the emergency exit and the transparent reflection plate of the LED emergency guide lamp when the closure of the fire door is detected by the closure detection sensor.