Elevator and elevator noise reducing method

A technology for elevators and elevator passages, which is applied in the field of elevator and elevator noise reduction, can solve the problems of exhaustion of device life, and achieve the effect of prolonging the life of the device and reducing aerodynamic noise

Inactive Publication Date: 2010-07-07
TOSHIBA ELEVATOR KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] However, if the air flow generating device is continuously driven all the time, the device life of the air flow generating device will be exhausted in a short time.

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
Comparison scheme
Effect test

no. 1 approach

[0040] figure 1 It is a block diagram of an elevator according to the first embodiment of the present invention. The elevator 1 has a hoistway 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 hoistway 2 , and a counterweight 6 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 entrance 8 of the elevator hall 7 of each floor.

[0041] 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 device 11 and the control panel 12 through tail wires not shown in the figure or wirelessly. The power transmitted to the car control device 11 is provided by the control panel 12 or the power supply device in the hoistway 2 through the tail wire....

no. 2 approach

[0082] In the above-mentioned first embodiment and each modification, the airflow generating device 19 is fixedly installed on the hoistway 2 side, but the airflow generating device 19 may also be installed on the passenger car 5 side. Figure 8 It is the structure diagram of the elevator according to the second embodiment of the present invention. Among the symbols shown in this figure, those having the same symbols as those described above denote the same elements.

[0083] In the elevator 1A, a rectifying plate 28a is suspended from the front end of the sill receiving portion of the floor portion of the passenger car 5 . The rectifying plate 28a is a rectifying plate or a rectifying plate that doubles as a baffle. A rectifying plate 28b is provided on the upper portion of the passenger car 5 . Air flow generating devices 19 are respectively attached to the surfaces of these rectifying plates 28a and 28b on the side of the hall 7 .

[0084] These air flow generators 19 are ...

no. 3 approach

[0101] In the elevator according to the third embodiment of the present invention, the amount of airflow generated by the airflow generating device 19 can be changed according to whether the running direction of the passenger car 5 is the ascending direction or the descending direction. In a high-speed elevator, when the passenger car 5 is descending, if the descending speed of the passenger car 5 descends at the same speed as the ascending speed, the passengers in the car will feel discomfort such as earplugs or dizziness, and may have a feeling of falling . In this case, in terms of operation, the elevator is operated by setting the operating speed during the descending operation to be slower than the operating speed during the ascending operation.

[0102] In the elevator of this embodiment, when the running speed of the elevator car 5 is different during the ascending operation and the descending operation, the control panel 12 uses the signal indicating the ascending oper...

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PUM

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Abstract

The present invention provides an elevator which is capable of reducing aerodynamic noise generated in a high speed running of the elevator and prolonging the service life of the elevator device for reducing aerodynamic noise. The elevator comprises an elevator channel (2), an elevator cabin (5) running in the elevator channel (2), a driving device for driving the elevator cabin (5) to perform elevating actions, an elevator cabin speed detecting unit for outputting the speed signal of the elevator cabin, a plasma air current generation device (19) positioned in the elevator channel (2) or on the elevator cabin (5) for generating air current through the function of discharging plasma, and a control device (12) for controlling the amount of air current generated by the plasma air current generation device through controlling the driving voltage exerted on the plasma air current generation device (19) and for controlling the driving device, wherein, the control device (12) obtains a running speed of the elevator cabin (5) through rate signals from the elevator cabin speed detecting unit and performs an ON / OFF control to the plasma air current generation device (19) on the basis of a comparison result between the value of the running speed and a preset threshold value of speed.

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). The following two points are recorded in Non-Patent Document 1: the wind cut sound (Japanese: wind cut り sound) produced when the elevator is running is approximately 6 to 8 times proportional to the running speed; The resulting wind cut can also become too loud to ignore. [0003] In order to reduce aerodynamic noise, there is known an elevator apparatus in which an extension plate extending in the lifting direction is installed as a wind rectifying cover on the lower part of the landing wall of the passenger car (for example, refer to Patent Document 1). In addition, it is k...

Claims

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Application Information

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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
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