Elevator device

A technology of elevators and cars, applied in the field of elevator devices, can solve the problems of poor passenger comfort and achieve the effect of reducing fluid noise

Active Publication Date: 2019-12-17
HITACHI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fluid noise (pneumatic noise) generally increases in direct proportion to the sixth power of the elevator speed, so as the elevator speed increases, the noise in the car increases sharply, resulting in a significant deterioration in the comfort of passengers in the car

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Figure 5 It is a figure which schematically shows the elevator apparatus of this invention. Such as Figure 5 As shown, the elevator device 100 of the present invention includes a car 10 that moves up and down in the hoistway 30, a counterweight 50 that lifts together with the car 10, a rope 51 that is connected to the car 10 at one end and connected to the counterweight 50 at the other end, A hoisting machine (not shown) having a sheave 52 around which a rope 51 is wound, and straightening structures 20 and 20 ′ provided on the car 10 . The rectifying structure 20 is installed on the upper part of the car 10, and the rectifying structure 20' is arranged on the lower part of the car 10. The car 10 is composed of a box similar to the above-mentioned conventional car, and the box has: a front surface provided with a door 12; a back surface opposite to the front surface; a pair of side surfaces provided between the front surface and the back surface; , the top surface ...

Embodiment 2

[0053] Figure 9 It is a perspective view schematically showing a car of an elevator apparatus according to Embodiment 2 of the present invention, Figure 10 is true Figure 9 A schematic view of the front panel viewed from the front. The difference between the rectifying structure 20b of this embodiment and the rectifying structure 20a of Embodiment 1 lies in the shape of the notch 23b. In Embodiment 1, the front end of the front panel 21a has a shape with two peaks on the left and right due to the notch 23a (this shape is referred to as "two peaks on the left and right"), while the front end of the front panel 21b of this embodiment is viewed from the front. , has the shape of a trapezoid cut out by the notch 23b. The front panel 21a of Embodiment 1 has many curved surface parts. For materials such as FRP, there are parts that must be molded. Since it can be manufactured with a metal plate etc., compared with the front panel 21a of Example 1, the front panel 21b can be m...

Embodiment 3

[0055] Figure 11 It is a perspective view schematically showing a car of an elevator apparatus according to Embodiment 3 of the present invention. The difference between the rectifying structure 20c of the present embodiment and the rectifying structure 20a of the first embodiment and the rectifying structure 20b of the second embodiment lies in the shape of the notch 23c. The notch 23c of the front panel 21c of this embodiment has a V shape when viewed from the front. Even with such a shape, the same effects as those of Examples 1 and 2 can be obtained. In addition, the shape of the notch is not limited to the shape of the above-mentioned embodiments 2 and 3, and may have other polygonal shapes.

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PUM

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Abstract

The invention provides an elevator device. The elevator device has a rectification structure capable of reducing air flows entering between the front part of the compartment and an elavator shaft during an elevation process of the compartment without interferring with the functions of the elevator. The elevator device is characterized by comprising a compartment and a rectification structure arranged in the compartment; the compartment has a front side having a door, a back side opposite to the front side, two sides between the front side and the back side, and a top side and the bottom side which are connected to the back side and the pair of sides; the rectification structure has a front panel arranged on the top of the compartment and connected to the front side, a pair of side panels which are arranged on the top surface of the compartment and are connected to the side surfaces; and the end of the side opposite to the end connected to the top surface of the compartment on the front panel has a breach.

Description

technical field [0001] The present invention relates to an elevator apparatus, and more particularly, to an elevator apparatus having a structure for suppressing transmission of fluid noise generated by airflow around the car into the car. Background technique [0002] With the development of construction technology for high-rise buildings, high-speed elevators are required, and recently high-speed elevators that ascend at a speed of 1000 m per minute or more have been commercialized. In these high-speed elevators, since the car moves at high speed in the hoistway, the air flow (air flow) around the car is separated to generate fluid noise. This fluid noise (pneumatic noise) generally increases in proportion to the sixth power of the elevator speed, so as the elevator speed increases, the noise in the car increases sharply, resulting in a significant deterioration in the comfort of passengers in the car. In order to improve this point, in general high-speed elevators, strea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66B11/02
CPCB66B11/0226
Inventor 武藤大辅渡边彻荒川淳三好宽宫田弘市
Owner HITACHI LTD
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