| 摘要 |
PROBLEM TO BE SOLVED: To prevent a current from intensively flowing to one of respective phases to cause breakage by automatically adjusting the lock position of a door motor when closing a door.SOLUTION: A door control device of an elevator includes: a door motor position detection part for detecting the rotational position of a door motor 5; a speed control part 10 for controlling the speed of a door based on a signal from the door position detection part; a door closing switch 8 which is disposed on the upper part of the door, detects the closing of the door to a predetermined position, and generates a door close signal; a door stop position adjustment part 15 for adjusting a torque lock position to prevent a current from intensively flowing to one of respective phases of the door motor 5; and a door closing control switching part 14 which is connected to the door closing switch 8 and switches the control of the door from control by the speed control part 10 to control by the door stop position adjustment control part 15 when it receives the door close signal. |
