CN210033613U

CN210033613U - Power station mute rainproof shutter

Info

Publication number: CN210033613U
Application number: CN201920647960.5U
Authority: CN
Inventors: 崔再铎; 景月; 洪洋; 高超
Original assignee: Shenyang Aerospace Xinguang Group Co Ltd
Current assignee: Shenyang Aerospace Xinguang Group Co Ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-02-07
Anticipated expiration: 2029-05-08

Abstract

The utility model relates to a power station mute rainproof shutter, which comprises a window body frame, metal blades, shape-following sound-absorbing cotton, a mounting rack, a sound-insulating felt, a sound-insulating disc and sound-absorbing cotton, wherein two ends of each metal blade are transversely arranged in the window body frame, and the metal blades adopt cambered surface design; the lower surface of the metal blade is provided with the shape-following sound absorption cotton; the sound insulation disc is arranged at the geometric center of the back of the window body frame and is connected with one end of the mounting frame, the other end of the mounting frame is fixed on the window body frame, a sound insulation felt is installed on one side, close to the metal blade, of the sound insulation disc, sound absorption cotton is installed on the other side of the sound insulation disc, the sound absorption cotton of a following type is installed on the lower portion of the metal blade, and the sound insulation performance is improved; the front and back sides of the sound-proof disc are respectively provided with a sound-proof felt and sound-proof cotton, so that the noise of components such as a fan and the like is prevented from directly radiating to the outside; the lower part of the shutter frame is provided with a water baffle and a drainage interface, and rainwater flowing through the blades can be directionally discharged when raining and the wind speed is more than 18 m/s.

Description

Power station mute rainproof shutter

Technical Field

The utility model relates to an energy is equipped the noise control field, a rain-proof shutter of power station silence specifically says so can install in power station air inlet and outlet department.

Background

With the continuous improvement of the technology in the field of energy equipment, the requirements on energy equipment such as power stations and the like are not limited to the power output performance, and higher requirements, especially the mute index, are put forward on the environmental protection performance of the power stations. The mute box body is the technical basis for realizing low noise of the mute power station, ventilation cooling windows are reserved for the mute box body for engines, generators and other equipment, and the noise reduction of the opening areas becomes the key of noise reduction of the mute power station. As the most commonly used ventilation device, the performance of the louver has a direct influence on the cooling efficiency, sound insulation, noise reduction, rain-proof capability, etc. of the power station.

The blade of shutter for traditional power station is mostly straight plate structure, and processing is simple, the cost is lower, but the flow resistance is big, ventilation efficiency is low, straight plate blade inclination undersize then reduces rain proofness ability, the inclination is too big then increases the flow resistance. For the structural design of the adjustable blade, continuous vibration is generated when the power station works, and the adjustable blade structure is easy to vibrate to generate noise and change the blade inclination angle, so that the reliability is reduced. The existing louver window for the power station needs to be improved in the aspects of noise reduction and noise elimination capability, rain-proof performance and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that exists among the prior art, provide a power station rain-proof shutter of silence, reduce the noise that the inside noise and the high velocity draught that transmit to the outside in power station produced to have and inhale sound insulation and rain-proof function.

The technical scheme of the utility model as follows:

a power station mute rainproof shutter comprises a window body frame, metal blades, shape following sound absorption cotton, a mounting frame, a sound insulation felt, a sound insulation disc and sound absorption cotton, wherein two ends of each metal blade are transversely mounted in the window body frame, and each metal blade is designed in a cambered surface; the lower surface of the metal blade is provided with the shape-following sound absorption cotton; the utility model discloses a window body frame, including window body frame, metal blade, sound-proof disc, metal blade, sound-proof felt, sound-proof disc, sound-proof cotton, sound-proof disc, metal blade, sound-proof disc, sound-.

The utility model discloses effect for prior art gains is:

1, the metal blade adopts tangent double arc surface design, and first section cambered surface does benefit to and improves rain-proof performance, and second section cambered surface water conservancy diversion reduces the windage.

2, the lower surface of the metal blade is additionally provided with the shape-following sound-absorbing cotton, so that the sound insulation performance of the blade is improved.

3, window body frame back geometric center department design has the sound insulating disc, and the sound insulating felt is installed respectively to the sound insulating disc positive and negative and inhale the sound cotton, prevents that component noises such as fan from directly radiating to the outside, further improves noise reduction.

4, the lower part of the window body frame is provided with a water baffle and a drainage interface, so that rainwater flowing through the blades can be directionally discharged when raining and the wind speed is more than 18m/s, and the field operation capacity of the device is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the present invention;

FIG. 3 is a front view of the present invention;

fig. 4 is a rear view of the present invention;

fig. 5 is a schematic structural view of the sound insulation disc assembly of the present invention.

The window comprises a window body frame 1, a metal blade 2, a following sound absorption cotton 3, a mounting frame 4, a reinforcing upright post 5, a rubber gasket 6, a drainage interface 7, a sound insulation felt 8, a sound insulation disc 9, a sound absorption cotton 10, a countersunk head screw 11 and a water baffle 12.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Example 1:

as shown in the figure, the power station mute rainproof shutter comprises a window body frame 1, metal blades 2, shape following sound absorption cotton 3, a mounting frame 4, a sound insulation felt 8, a sound insulation disc 9 and sound absorption cotton 10, wherein two ends of each metal blade are transversely welded in the window body frame, and the metal blades are designed in a cambered surface; the lower surface of the metal blade is provided with the shape-following sound absorption cotton; the back geometric center department of window body frame 1 is equipped with the disc that gives sound insulation, and the disc that gives sound insulation is connected with the one end of mounting bracket, and the other end of mounting bracket is fixed on the window body frame, the disc that gives sound insulation close on one side-mounting sound insulation felt of metal blade, the opposite side installation of disc that gives sound insulation is inhaled the sound cotton.

The metal blade provided by the embodiment is formed by the tangency of the first section of arc surface 201 and the second section of arc surface 202 at the tangency point 203, the inclination angle of the first section of arc surface and the horizontal plane is gradually changed from 0 degree to 45 degrees, the flow guiding effect is obvious, and the wind resistance can be effectively reduced; the inclination angle of the second section of cambered surface and the horizontal plane is gradually changed from 45 degrees to 55 degrees, and the downward component force applied to the blade by the impact of the rainwater is larger, thus being beneficial to improving the rainproof performance. The metal blade and the inner wall connecting mode of the left side and the right side of the window body frame adopt a welding mode, and the noise generated by the blade due to vibration is reduced. For improving sound absorption and sound insulation effect, the profile of inhaling the sound cotton along with the type be unanimous with metal blade 2, inhale the sound cotton adoption high density of inhaling of sound along with the type and inhale the sound cotton, the cotton horizontal edge of inhaling the sound along with the type is led the fillet and is managed, reduces the flow resistance.

The disc 9 that gives sound insulation that this embodiment provided is the metal material, and it is towards 2 one side installations sound insulation felt 8 of metal blade, and the cotton 10 of inhaling is inhaled in the installation of metal blade one side dorsad, carries out compound use with the material of three kinds of different areal density, can strengthen the noise absorption frequency range of disc, improves sound insulation and sound absorption effect. Mounting bracket 4 is the even interval welding of cross on the disc gives sound insulation, and the mounting hole department welded nut of mounting bracket, mounting bracket pass through 4 countersunk screw 11 and install on window body frame 1, and the design of disc gives sound insulation can prevent that component noises such as the inside fan in power station are direct to external radiation, effectively promotes the whole noise reduction of shutter, is in the axis position because of the motor of fan, and the disc that gives sound insulation can not increase the flow resistance by a wide margin.

The bottom of window body frame 1 be equipped with two drainage interface 7, the funnel type conical surface is processed into on the upper portion of drainage interface 7, easily the rainwater assembles, and the internal thread is processed to the lower part of drainage interface 7, can be used to install the drain pipe, and drainage interface 7 that this embodiment provided can assemble and directional the emission to the rainwater that crosses metal blade under extreme weather condition, wind speed be greater than when 18m/s promptly, prevent that too much rainwater from getting into inside the power station, influence the power station work. In order to enhance the rainwater collection effect, a water baffle plate 12 is welded at the rear edge of the bottom of the window body frame, is not lower than 15mm and is not higher than the vertical height of the blade, and a water storage tank is formed.

Example 2:

on the basis of embodiment 1, a preferred scheme is provided, a window frame adopts a welding technology after forming, metal blades are welded with the left inner wall and the right inner wall of the frame due to reasonable blade profile design of the metal blades, and in order to further reduce vibration of the blades caused by vibration of a power station, reinforcing upright columns are welded with the edges of all the metal blades and the upper inner wall and the lower inner wall of the frame. The frame of window body frame installs the rubber gasket additional, improves the laminating degree of shutter and power station box. For the sound absorption effect who improves the shutter, the cotton is inhaled with the type and is chooseed the sound high density for use to inhale the sound cotton under the metal vane, for further reducing the shutter flow resistance, inhales the cotton horizontal limit of sound and leads the fillet and handle. The disc that gives sound insulation is mainly to the separation of the external radiation noise of power station internal noise sources such as fan, and the disc diameter is according to fan motor size and the distance disc distance that gives sound insulation and carries out the matching design. The thickness of the disc sound-insulation felt is 2-3 times that of the metal disc, the shape is flat, the thickness of the sound-absorption cotton is more than 4-6 times that of the metal disc, and the shape is preferably wavy.

The utility model discloses the theory of operation:

a mute rainproof shutter for a power station is installed at an air inlet and outlet of the power station, and effectively reduces transmission noise inside and outside the power station and noise generated by high-speed airflow. The design of the reinforcing columns improves the overall mechanical strength of the shutter, and the blades are not easy to generate vibration noise. The blade profile of the metal blade adopts a tangent double-arc surface design, the rainproof performance and the low flow resistance are both considered, and the lower part of the metal blade is additionally provided with high-density profile-following sound-absorbing cotton, so that the sound insulation performance is improved. The front and back sides of the sound-proof disc are respectively provided with a sound-proof felt and wave-shaped sound-absorbing cotton, so that the noise of components such as a fan and the like is prevented from directly radiating to the outside; the lower part of the shutter frame is provided with a water baffle and a drainage interface, and rainwater flowing through the blades can be directionally discharged when raining and the wind speed is more than 18 m/s.

The utility model provides a rain-proof shutter of power station silence, blade leaf type adopt tangent two cambered surface designs, and increased sound absorbing material, effectively improve the sound insulation performance and the aerodynamic performance of shutter, and rain-proof effect is excellent. The sound insulation disc adopts the composite structure design of metal plate + sound insulation felt + wave sound absorption cotton, further improves the isolation and the absorption effect to the noise under the condition of not reducing the ventilation efficiency of the shutter. The mute rainproof shutter has the advantages of good sound absorption and insulation, rainproof function, small flow resistance, high overall mechanical strength and the like.

The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.

Claims

1. The utility model provides a rain-proof shutter of power station silence which characterized in that: the window comprises a window frame (1), metal blades (2), random sound absorption cotton (3), a mounting rack (4), a sound insulation felt (8), a sound insulation disc (9) and sound absorption cotton (10), wherein two ends of each metal blade are transversely mounted in the window frame, and the metal blades are designed to be cambered surfaces; the lower surface of the metal blade is provided with the shape-following sound absorption cotton; the utility model discloses a window form frame (1) is equipped with the disc that gives sound insulation in back geometric center department, and the disc that gives sound insulation is connected with the one end of mounting bracket, and the other end of mounting bracket is fixed on the window form frame, the disc that gives sound insulation close on one side installation sound insulation felt of metal blade, the opposite side installation of disc that gives sound insulation is inhaled the sound cotton.

2. A station silent rain-proof shutter as claimed in claim 1, characterised in that: the metal blade (2) is formed by a first section of arc surface (201) and a second section of arc surface (202) which are tangent, and the inclination angle of the first section of arc surface and the horizontal plane is gradually changed from 0 degree to 45 degrees, so that the wind resistance can be effectively reduced; the inclination angle of the second section of cambered surface and the horizontal plane is gradually changed from 45 degrees to 55 degrees, which is beneficial to improving the rainproof performance of the shutter.

3. A station silent rain-proof shutter as claimed in claim 1, characterised in that: the metal blade (2) is welded with the inner wall of the window frame (1).

4. A station silent rain-proof shutter as claimed in claim 1, characterised in that: the profile of the profile-following sound-absorbing cotton is consistent with that of the metal blades (2), the profile-following sound-absorbing cotton adopts high-density sound-absorbing cotton, and the transverse edge of the profile-following sound-absorbing cotton is processed into a round angle to reduce flow resistance.

5. A station silent rain-proof shutter as claimed in claim 1, characterised in that: mounting bracket (4) be the even interval welding of cross on the disc that gives sound insulation, mounting bracket (4) are installed on window body frame (1) through countersunk screw (11).

6. A station silent rain-proof shutter as claimed in claim 1, characterised in that: the thickness of the sound-proof felt is 2-3 times of the thickness of the metal disc, the outer surface of the sound-proof felt is flat, the thickness of the sound-proof cotton is 4-6 times of the thickness of the metal disc, and the outer surface of the sound-proof felt is wavy.

7. A station silent rain-proof shutter as claimed in claim 1, characterised in that: the window body frame (1) between the upper and lower inner walls welding have reinforced upright post (5), and every reinforced upright post respectively with all metal blade edge weld, reinforced upright post adopt the round steel.

8. A station silent rain-proof shutter as claimed in claim 1, characterised in that: the bottom of the window body frame (1) is provided with two drainage interfaces (7), the upper parts of the drainage interfaces (7) are processed into funnel-shaped conical surfaces, rainwater is easy to gather, and the lower parts of the drainage interfaces (7) are processed with internal threads and can be used for installing a drainage pipe.

9. A station silent rain-proof shutter as claimed in claim 1, characterised in that: and a water baffle is welded at the rear edge of the bottom of the window body frame (1), and the height of the water baffle is not less than 15mm and is not higher than the vertical height of the blade.

10. A station silent rain-proof shutter as claimed in claim 1, characterised in that: and a rubber gasket is arranged on the frame of the window body frame.