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Elevator and elevator noise reducing method

An elevator and noise technology, applied in the field of elevator and elevator noise reduction, can solve the problems of cost, inability to effectively reduce aerodynamic noise, inability to apply, etc., and achieve the effect of reducing aerodynamic noise

Inactive Publication Date: 2013-03-20
TOSHIBA ELEVATOR KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] However, in the technology described in Patent Document 2, the air adjustment plate between the upper and lower car covers and the air adjustment plate is provided, and grooves are formed on the air adjustment plate. The surface of the surface forms grooves, these structural modifications must be made, and these structural modifications are costly
When these structural modifications are restricted by the size of the elevator passage, this modification cannot be applied
Nowadays, as elevators continue to increase in speed and require more and more comfort, it is impossible to effectively reduce aerodynamic noise only by relying on these structural improvements.

Method used

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  • Elevator and elevator noise reducing method
  • Elevator and elevator noise reducing method
  • Elevator and elevator noise reducing method

Examples

Experimental program
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Effect test

no. 1 approach

[0036] figure 1 It is a block diagram of an elevator according to the first embodiment of the present invention. The elevator 1 has a hoisting passage 2 in the building. A passenger car 5 is connected to one end of a cable 4 hanging down from a winch 3 in the hoisting passage 2 , and a counterweight is connected to the other end. The passenger car 5 is provided with a car door 10 corresponding to the hall door 9 for opening and closing the landing 8 of the hall 7 of each floor. The car room is provided with an operating panel in the car that exposes the operation buttons corresponding to each floor, and the outer wall of the car room is provided with a parking switch for detecting the position of the stop floor.

[0037] The passenger car 5 is also provided with a car control device 11 for processing the operation content of the operating panel in the car and exchanging control signals with the outside of the car. Control signals can be exchanged between the car control devi...

no. 1 approach no. 3

[0068] (Third modification of the first embodiment)

[0069] In the above-mentioned first embodiment, the airflow generating device 19 is respectively arranged on the top frame 15 and the hall frame 16, but in the elevator of the third modified example of the first embodiment of the present invention, the airflow generating device 19 is only arranged on the Elevator on top frame 15. An airflow generating device 19 is respectively arranged on the surface of the top frame 15 of each floor on the side of the lift passage 2 . The longitudinal direction of each airflow generating device 19 is set to the horizontal direction and fixed to the top frame 15 . An airflow generator 19 can alternately generate upward or downward airflow. The control board 12 can make the airflow generating device 19 generate upward airflow and downward airflow by changing the voltage applied to the airflow generating device 19 .

[0070] With such a structure, when the passenger car 5 descends, the con...

no. 2 approach

[0074] Figure 8 It is a block diagram of an elevator according to the second embodiment of the present invention. In this figure, components having the same symbols as those described above denote the same elements. In the first embodiment, the airflow generating device 19 is provided on the front wall side of the front wall and the rear wall of the hoistway 2, and in the elevator 1A of this embodiment, the airflow generating device 19 is installed on the rear wall side. A plurality of airflow generators 19 are fixed on the rear wall 17 side of the lift passage by means of threaded fasteners or adhesives, and the length directions of these airflow generators 19 are all parallel to the extending direction of the hall frame 16 . Each airflow generating device 19 is fixed on each protrusion 18 on the wall surface 17 at the rear of the elevator passage, and its respective upper surface faces the car travel path of the elevator passage 2 .

[0075] Two airflow generators 19 are ...

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Abstract

The present invention provides an elevator (1) and a method of reducing the elevator noise. According to the invention, aerodynamic noise generated when an elevator cabin passes through a narrow part of an elevator channel in a high-speed running state of the elevator cabin can be reduced effectively. The elevator (1) comprises an elevator channel (2) positioned in a building having a plurality of floors, an elevator cabin (5) running in the elevator channel, a plasma air current generation device (19) having a couple of electrodes and generating air current by the function of the discharging plasma generated between the electrodes by a driving voltage exerted on the couple of electrodes, and a control device (12) for controlling the amount of air current generated by the plasma air current generation device (19) by controlling the driving voltage exerted on the plasma air current generation device (19) and for controlling the running of the elevator cabin (5), wherein, the plasma air current generation device (19) is positioned in any narrow part of the elevator cabin (2).

Description

technical field [0001] The invention relates to an elevator and a method for reducing noise of the elevator. Background technique [0002] As buildings become more high-rise, the elevators installed in the buildings also increase in speed. Aerodynamic noise caused by the airflow around the car is a problem when a high-speed elevator ascends and descends (for example, refer to Non-Patent Document 1). In order to reduce aerodynamic noise, there is known an elevator apparatus in which an extension plate extending in the ascending and descending direction is installed on the lower part of the landing wall of the passenger car as a wind rectifier (for example, refer to Patent Document 1). In addition, in order to cope with the increase in speed of elevators, it is known that a car cover with one side of the hall being flat and the other side hemispherical is provided on the upper and lower sides of the passenger car, and an air adjustment plate is installed between the upper and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66B13/00B66B13/28
Inventor 横林真林和夫田中元史松田寿野田伸一水野末良
Owner TOSHIBA ELEVATOR KK