Damping system and damping method for high-speed elevator

Abstract

The invention discloses a damping system and a damping method for a high-speed elevator. The damping system comprises multiple airflow control devices arranged on the side wall of a car hoistway in sequence from top to bottom; the airflow control devices comprise exhaust impellers, power devices for driving the exhaust impellers to rotate, and power generation devices arranged with first rotatingshafts of the exhaust impellers as rotor modules; when a car is located in an accelerated operation or constant-speed operation phase, the corresponding power device is started to drive the exhaust impellers in front of the car to rotate; and when the car is located in a decelerated operation to braking phase, the transmission connection between the power devices and the exhaust impellers is cut off to switch the exhaust impellers to a power generation state. The damping system can effectively control coaction between the car and the air resistance in operation of the high-speed elevator to reduce the noise and the vibration in operation of the car so as to improve the operation comfort of the car.

Description

technical field [0001] The invention belongs to the technical field of car elevators, and in particular relates to a vibration reduction system and a vibration reduction method for high-speed elevators. Background technique [0002] Most of the car-type elevators used on super-high floors in the market adopt the direct floor group operation control between the destination floors, that is, the car does not stop between the boarding floor and the destination floor, and often stops between floors. The bigger the distance, the faster the running speed of the car, and the actual running speed is greater than 4m / s. [0003] When full people fall from the upper floor to the destination floor without stopping, the traction machine is in the state of power generation. The current technology usually connects a resistor in series in the traction machine to convert the electricity converted from kinetic energy into electric energy into internal energy and consume it; But this method is...

AI Technical Summary

Problems solved by technology

[0003] When full people fall from the upper floor to the destination floor without stopping, the traction machine is in the state of power generation. The current technology usually connects a resistor in series in the traction machine to convert the electricity converted from kinetic energy into electric energy into internal energy and consume it; But this method is actually a wasteful mode, because this part of the wasted electric energy is not impossible to use

[0004] In addition, due to the high speed of the ultra-high-speed elevator, the air in the shaft will be compressed quickly, resulting in a large air resistance, which will cause vibration and noise in the running elevator, which will affect the comfort of the elevator; at the same time, it will also cause traction. extra load on the machine

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