Elevator door sill groove foreign body diagnostic device

摘要

A doorway groove foreign body diagnostic apparatus for an elevator door. A control panel (13) functions in cooperation with a door open / close position detecting device (11) and a door control device (12). When detecting foreign objects to be caught in the landing door side doorway groove (8) of a doorway (7) and a car door side doorway groove (9), and door opening and closing operation of the elevator doors (the car door 4 and the landing door 3) is abormal, the torque current value of a door motor (10) and the opening and closing of the door from the door open / close position detecting device (11) are used for judging whether foreign objects can be removed. A door control unit (12) instructs to continue the door opening and closing operation and repeat the predetermined number of times to determine whether or not the door opening / closing operation is possible. In addition, when the door reversal position changes after doing under the door unopenable condition, when the door can be closed, it is considered that the foreign object has been removed at the time when it is confirmed that the door can be normally opened and closed, and normal service is started .