Structure for reducing aerodynamic noise of high-speed elevator shaft

Abstract

The utility model discloses a structure for reducing aerodynamic noise of a high-speed elevator shaft, which comprises a door head sealing plate, a landing door sealing plate and a sill sealing plate which are arranged in the wall of the elevator shaft, a landing door is arranged on the wall of the elevator shaft, a landing door head is arranged above the landing door, and a landing door sill is arranged below the landing door; the door head sealing plate is arranged above the landing door head and attached to the elevator shaft wall, one end of the door head sealing plate is connected with the landing door head, the other end of the door head sealing plate extends upwards, and the thickness of the door head sealing plate is gradually reduced along with the distance from the landing door head. The landing door sealing plate is arranged on the inner side of the landing door and connected with the landing door; the sill sealing plate is arranged below the landing door sill and attached to the elevator shaft wall, one end of the sill sealing plate is connected with the landing door sill, the other end of the sill sealing plate extends downwards, and the thickness of the sill sealing plate is gradually reduced along with the distance from the landing door sill. The design of the high-speed elevator does not need to be changed, the structure is simple, manufacturing is easy, aerodynamic noise of the high-speed elevator in a well is reduced, and car comfort and riding comfort are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator technical field especially is related to a structure of reducing high -speed elevator shaft aerodynamic noise. BACKGROUND

[0002] When high -speed elevator (generally rated speed exceeds 3m / s) is in normal operation in the shaft, because the shaft space is relatively closed, the air flow in the shaft is quite complex, thereby can produce larger aerodynamic noise, influence the comfort of car and passenger field side. Especially when the elevator car passes the layer door door area vicinity at high speed, because the layer door door head and the car door sill and other components protruding in the shaft wall exist in the shaft, the high -speed airflow can form vortex with these protruding components high -speed collision, and further produce larger noise. The specific performance is that when the high -speed elevator passes the layer door door area vicinity, the obvious non - steady state " whoosh " sound appears in the car, under the condition of more serious, the passenger field near the relevant layer door also can hear obvious aerodynamic noise. SUMMARY

[0003] In view of the above -existing technical problem, the utility model's purpose is to provide a structure of reducing high -speed elevator shaft aerodynamic noise, reduces the relevant aerodynamic noise and passenger field noise in the car, improves the comfort of elevator.

[0004] In order to realize above -mentioned purpose, the utility model provides the following technical scheme:

[0005] A structure of reducing high -speed elevator shaft aerodynamic noise, including the door head closing plate, layer door closing plate and sill closing plate being arranged in the elevator shaft wall, the elevator shaft wall is provided with the layer door, the layer door is provided with the layer door door head protruding in the elevator shaft wall above, and the layer door sill protruding in the elevator shaft wall below;The door head closing plate is arranged in the upper layer door door head and is attached to the elevator shaft wall, and one end of the door head closing plate is connected with the layer door door head and the other end extends upwards, and the thickness of the door head closing plate gradually reduces away from the layer door door head;The layer door closing plate is arranged in the layer door inner side and is connected with the layer door;The sill closing plate is arranged in the lower layer door sill and is attached to the elevator shaft wall, and one end of the sill closing plate is connected with the layer door sill and the other end extends downwards, and the thickness of the sill closing plate gradually reduces away from the layer door sill.

[0006] Preferably, the door head closing plate forms a smooth transition inclined plane between the layer door door head and the elevator shaft wall.

[0007] Preferably, the sill closing plate forms a smooth transition inclined plane between the layer door sill and the elevator shaft wall.

[0008] Preferably, the surface of the layer door closing plate is smooth.

[0009] Preferably, the surface of the landing door sealing plate is flush with the landing door head and the landing door sill.

[0010] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0011] The structure of the utility model for reducing the aerodynamic noise of the high-speed elevator shaft comprises a door head sealing plate, a floor door sealing plate and a sill sealing plate arranged in the wall of the elevator shaft. The door head sealing plate is arranged above the door head of the floor door and fits in with the wall of the elevator shaft. One end of the door head sealing plate is connected to the door head of the floor door and the other end extends upward. The thickness of the door head sealing plate gradually decreases as it moves away from the door head of the floor door. The floor door sealing plate is arranged on the inner side of the floor door and connected to the floor door. The sill sealing plate is arranged below the sill of the floor door and fits in with the wall of the elevator shaft. One end of the sill sealing plate is connected to the sill of the floor door. The other end extends downward, and the thickness of the sill sealing plate gradually decreases as it moves away from the floor door sill. The door head sealing plate, floor door sealing plate and sill sealing plate are used to form a transition slope or flat plane between the protruding parts of the elevator shaft wall and the elevator shaft wall, thereby reducing the aerodynamic noise of the high-speed elevator in the shaft and improving the comfort of the car and the passenger field side. There is no need to change the design of the elevator itself, the structure is simple, easy to manufacture, easy to install, and the cost is low, which greatly reduces the aerodynamic noise and significantly improves the comfort of the car and the passenger field. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The technical solution of the utility model is further described below with reference to the accompanying drawings:

[0013] Attachment Figure 1 This is a schematic diagram of the structure for reducing aerodynamic noise in a high-speed elevator shaft according to the present invention;

[0014] Attachment Figure 2 For attachment Figure 1 A-direction view.

[0015] Among them: 1. Door head cover; 2. Floor door cover; 3. Sill cover; 4. Elevator shaft wall; 5. Floor door; 6. Floor door head; 7. Floor door sill; 8. High-speed elevator. DETAILED DESCRIPTION

[0016] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0017] It should be understood that when a component is referred to as being "on" another component, it can be directly on the other component or intervening components can also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component, or intervening components can be present. When a component is referred to as being "disposed" on another component, it can be directly disposed on the other component, or intervening components can be present. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0018] As shown in FIGS. 1-3, the structure for reducing aerodynamic noise of high-speed elevator shaft of the present application comprises a door head sealing plate 1, a landing door sealing plate 2 and a sill sealing plate 3 installed in the elevator shaft wall 4, a landing door 5 installed on the elevator shaft wall 4, a landing door head 6 protruding from the elevator shaft wall 4 above the landing door 5, and a landing door sill 7 protruding from the elevator shaft wall 4 below the landing door 5. Figure 1 , as shown in FIGS. 1-3, the structure for reducing aerodynamic noise of high-speed elevator shaft of the present application comprises a door head sealing plate 1, a landing door sealing plate 2 and a sill sealing plate 3 installed in the elevator shaft wall 4, a landing door 5 installed on the elevator shaft wall 4, a landing door head 6 protruding from the elevator shaft wall 4 above the landing door 5, and a landing door sill 7 protruding from the elevator shaft wall 4 below the landing door 5. Figure 2 The door head sealing plate 1 is located above the landing door head 6 and is attached to the elevator shaft wall 4, with one end of the door head sealing plate 1 connected to the landing door head 6 and the other end extending upwards, and the thickness of the door head sealing plate 1 gradually decreases as it moves away from the landing door head 6. The landing door sealing plate 2 is located inside the landing door 5 and is attached to the landing door 5, with the surface of the landing door sealing plate 2 being flat and flush with the landing door head 6 and the landing door sill 7, ensuring that the inside of the landing door 5 is a flat area. The sill sealing plate 3 is located below the landing door sill 7 and is attached to the elevator shaft wall 4, with one end of the sill sealing plate 3 connected to the landing door sill 7 and the other end extending downwards, and the thickness of the sill sealing plate 3 gradually decreases as it moves away from the landing door sill 7.

[0019] The door head sealing plate 1 forms a smooth transition slope between the landing door head 6 and the elevator shaft wall 4, and the sill sealing plate 3 forms a smooth transition slope between the landing door sill 7 and the elevator shaft wall 4. When the high-speed elevator 8 passes through the area near the landing door 5, the high-speed airflow will pass smoothly through the surfaces of the door head sealing plate 1, the landing door sealing plate 2 and the sill sealing plate 3, without directly interacting with the protruding landing door head 6, landing door sill 7 and landing door 5 components to generate turbulence, greatly reducing the related aerodynamic noise sources and significantly improving the comfort of the car and the passenger area.

[0020] The structure for reducing aerodynamic noise of high-speed elevator shaft of the present application utilizes the door head sealing plate 1, the landing door sealing plate 2 and the sill sealing plate 3 to form transition slopes or flat surfaces between the protruding components of the elevator shaft wall 4 and the elevator shaft wall 4, reducing the aerodynamic noise of the high-speed elevator 8 in the shaft and improving the comfort of the car and the passenger area without modifying the design of the elevator itself. The structure is simple, easy to manufacture and install, and has a low cost, greatly reducing aerodynamic noise and significantly improving the comfort of the car and the passenger area.

[0021] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A structure for reducing aerodynamic noise in a high-speed elevator shaft, characterized by: It includes a door head sealing plate, a floor door sealing plate and a sill sealing plate arranged in the elevator shaft wall, a floor door is arranged on the elevator shaft wall, a floor door head protruding from the elevator shaft wall is arranged above the floor door, and a floor door sill protruding from the elevator shaft wall is arranged below the floor door; the door head sealing plate is arranged above the floor door head and fits with the elevator shaft wall, one end of the door head sealing plate is connected to the floor door head and the other end extends upward, and the thickness of the door head sealing plate gradually decreases as it moves away from the floor door head; the floor door sealing plate is arranged on the inner side of the floor door and connected to the floor door; the sill sealing plate is arranged below the floor door sill and fits with the elevator shaft wall, one end of the sill sealing plate is connected to the floor door sill and the other end extends downward, and the thickness of the sill sealing plate gradually decreases as it moves away from the floor door sill.

2. The structure for reducing aerodynamic noise in a high-speed elevator shaft according to claim 1, characterized in that: The door head sealing plate forms a smoothly transitioned inclined surface between the door head of the landing door and the elevator shaft wall.

3. The structure for reducing aerodynamic noise in a high-speed elevator shaft according to claim 1, characterized in that: The sill sealing plate forms a smoothly transitioned inclined surface between the landing door sill and the elevator shaft wall.

4. The structure for reducing aerodynamic noise in a high-speed elevator shaft according to claim 1, characterized in that: The surface of the layer door sealing plate is flat.

5. The structure for reducing aerodynamic noise in a high-speed elevator shaft according to claim 1 is characterized in that: The surface of the landing door sealing plate is flush with the landing door head and the landing door sill.

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