| 摘要 |
PROBLEM TO BE SOLVED: To obtain an elevator-power-supply control device capable of actuating an elevator to drive an elevator car even if power outage occurs during elevator maintenance work.SOLUTION: Provided is an elevator-power-supply control device including an actuation rechargeable battery for supplying power to a hoist motor to drive an elevator car if power outage occurs during normal operation, comprises: a maintenance switch for indicating whether elevator maintenance work is underway; and a power-supply control unit for controlling the actuation rechargeable battery to supply power to the hoist motor if it is detected that power outage occurs to a commercial power supply while the maintenance switch indicates that the elevator maintenance work is underway. |
