Emergency machine room less elevator and operation method of emergency machine room less elevator

摘要

To continue the emergency operation without affecting the operation of the elevator even when the motor for the hoisting machine is flooded due to water discharge etc. during the fire extinguishing activity.A main motor (8) for driving a main sheave (6) installed on the bottom of a hoistway of a building in which an elevator is installed, an electromagnetic clutch (16) for connecting and disconnecting the main sheave (6) and the main motor (8) A sub motor 12 for driving the sub-sheave 10 installed in a hoistway above the uppermost floor level, a submergence sensor 18 installed on the bottom side of the hoistway, and a submergence sensor 18 for detecting submergence toward the bottom of the hoistway And a sub motor control unit 22 for disconnecting the connection between the main sheave 6 and the main motor 8 by the electromagnetic clutch 16 and driving the car by the sub motor 12.BACKGROUND OF THE INVENTION