The present invention provides an elevator device and a noise reducing method. A ventilation space is arranged in an elevator car, and the noise in the elevator car is reduced. The elevator device of the present invention is equipped with the ventilation space and is characterized by comprising a microphone, a loudspeaker and a control device, the microphone is used to detect the noise in the elevator car, the loudspeaker generates sound and generates the sound of which the phase is reverse with the noise detected by the microphone, and the control device enables the microphone to detect the noise entering the elevator car from an elevating channel of the elevator device.
Elevator Device And Noise Reducing Method
2015-08-26
Patent
Electronic Resource
English
IPC: | B66B Aufzüge , ELEVATORS |
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