CN206386040U - A kind of modified sound-deadening louver - Google Patents

Abstract

The utility model discloses an improved sound-absorbing shutter. The improved sound-absorbing louver includes a window frame; the interior of the window frame is connected with sound-absorbing blades; the cross-section of the sound-absorbing blade is an airfoil structure, and adopts a sandwich structure, including an upper plate of a sound-absorbing sheet, a sound-absorbing cotton, and a lower sheet of the sound-absorbing sheet board; the surface of the sound-absorbing cotton is provided with a waterproof membrane, which is located between the upper plate of the sound-absorbing sheet and the lower plate of the sound-absorbing sheet. The utility model has a simple structure and is easy to install; the sound-absorbing blade is an airfoil structure as a whole, which has the effect of buffering and blocking the sound flow, and the interlayer contains sound-absorbing cotton, which can achieve a better sound-absorbing effect; and the sound-absorbing blade of the airfoil structure is also It can block rain and snow, and can effectively prevent rain and snow from entering the room; in addition, the inclination angle of the connection between the sound-absorbing blade and the window frame can be adjusted, and the indoor ventilation can be controlled according to the actual working conditions. It is very suitable for noise sources such as workshops and machine rooms. densely distributed places.

Description

An improved sound-absorbing shutter

technical field

The utility model belongs to the technical field of noise pollution control, and more specifically relates to an improved sound-absorbing shutter.

Background technique

When the power generation unit in the factory is working, the heat and harmful gases generated will accumulate in the factory building, which will cause harm to the health of the generator unit and personnel. In order to solve the above problems, ventilation holes are usually opened on the factory building. With sound insulation function, it is easy to cause noise pollution, and the rain and snow outside are easy to enter the factory building, affecting the operation of the factory equipment. In addition, with the development of industry and transportation, noise pollution is becoming more and more serious, and people are more and more affected by noise. The above problems are usually solved by sound-absorbing louvers, which are also called louver mufflers or improved sound-absorbing louvers. This is a window-type structure that allows airflow to pass through and can eliminate noise. Complicated, cumbersome to assemble, prone to rust and corrosion damage, and the ventilation and noise reduction effect is not ideal, and the rain and snow protection function is poor.

Utility model content

In view of this, in order to solve the deficiencies in the prior art, the utility model provides an improved sound-absorbing shutter. The utility model has the advantages of simple structure, easy installation and disassembly, long service life, better noise reduction effect, can effectively prevent rain and snow from entering the room, and can control the indoor ventilation rate.

In order to achieve the above object, the utility model provides the following technical solutions:

An improved sound-absorbing shutter, characterized in that: the improved sound-absorbing shutter includes a window frame 1; the inside of the window frame 1 is connected with a sound-absorbing blade 2; the cross-section of the sound-absorbing blade 2 is an airfoil structure, and A sandwich structure is adopted, including the upper plate 21 of the sound absorbing sheet, the sound absorbing cotton 22 and the lower plate 23 of the sound absorbing sheet; The sound-absorbing blade 2 is connected with the window frame 1 through damping rotation, and the inclination angle of the connection between the two is adjustable.

As a further description of the improved noise-absorbing shutter described in the present invention, preferably, the material used for the noise-absorbing blade 2 is zinc steel plate or aluminum-type stainless steel material, and the connection inclination angle range between the window frames 1 is 10 degrees to 80 degrees.

As a further description of the improved sound-absorbing shutter described in the present invention, preferably, the material used for the sound-absorbing cotton 22 is ultrafine centrifugal glass wool.

It can be seen from the above technical solution that the improved sound-absorbing shutter includes a window frame 1; the interior of the window frame 1 is connected with the sound-absorbing blade 2; The structure includes the upper plate 21 of the sound-absorbing sheet, the sound-absorbing cotton 22 and the lower plate 23 of the sound-absorbing sheet; The utility model has a simple structure and is easy to install and disassemble. It adopts zinc steel plate or aluminum stainless steel material, which can improve the service life; the sound-absorbing blade 2 is an airfoil structure as a whole, and the interlayer contains sound-absorbing cotton 22, which can achieve a better sound-absorbing effect; Moreover, the sound-absorbing blade 2 of the airfoil structure can also block rain and snow, which can effectively prevent rain and snow from entering the room; in addition, the inclination angle of the connection between the sound-absorbing blade 2 and the window frame 1 can be adjusted, and the indoor ventilation can be controlled according to the actual working conditions It is very suitable for places where noise sources are densely distributed, such as factories and computer rooms.

Description of drawings

Fig. 1 is a schematic structural diagram of an improved sound-absorbing louver provided by the embodiment of the present invention;

Identification description: 1- window frame, 2- sound-absorbing blade, 21- upper plate of sound-absorbing plate, 22- sound-absorbing cotton, 23- lower plate of sound-absorbing plate.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings described in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present utility model. Those skilled in the art can also obtain other drawings based on these drawings without any creative work.

detailed description

The utility model provides an improved sound-absorbing louver to meet the functions of economy and durability, noise reduction, rain and snow protection, and indoor ventilation control.

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to the accompanying drawings of the description, which is a structural schematic diagram of an improved sound-absorbing shutter provided by the embodiment of the utility model; among them, 1- window frame, 2- sound-absorbing blade, 21- sound-absorbing sheet upper plate, 22- sound-absorbing cotton, 23-The lower plate of the sound-absorbing sheet.

According to the accompanying drawing 1 of the specification, the application principle of the utility model is: the noise-absorbing blade 2 is an airfoil structure, which has the effect of buffering and blocking the sound flow, and the material used is zinc steel plate or aluminum stainless steel material, and the folded plate can be used to absorb sound , the sound absorption area is large, the noise attenuation ability is strong, and the interlayer contains sound-absorbing cotton 22, which can achieve a better sound-absorbing effect; in addition, the sound-absorbing blade 2 of the airfoil structure can block rain and snow, and the surface of the sound-absorbing cotton 22 A waterproof membrane is provided, which can effectively prevent rain and snow from entering the room; moreover, the damping rotation connection is adopted between the sound-absorbing blade 2 and the window frame 1, and the inclination angle of the connection between the two can be adjusted, so that the sound-absorbing blade 2 and the window frame can be adjusted to The inclination angle of the connection between the frames 1 can achieve the effect of controlling the indoor ventilation.

To sum up, in the embodiment of the present utility model, the improved noise-absorbing shutter includes a window frame 1; the interior of the window frame 1 is connected with the noise-absorbing blade 2; the cross-section of the noise-absorbing blade 2 is an airfoil structure , and adopt a sandwich structure, including a sound-absorbing sheet upper plate 21, a sound-absorbing cotton 22, and a sound-absorbing sheet lower plate 23; . The utility model has a simple structure and is easy to install; the sound-absorbing blade 2 is an airfoil structure as a whole, which has the effect of buffering and blocking the sound flow, and the interlayer contains sound-absorbing cotton 22, which can achieve a better sound-absorbing effect; and the sound-absorbing effect of the airfoil structure The blade 2 can also block rain and snow, which can effectively prevent rain and snow from entering the room; in addition, the inclination angle of the connection between the sound-absorbing blade 2 and the window frame 1 can be adjusted, and the connection between the sound-absorbing blade 2 and the window frame 1 can be adjusted according to the actual working conditions. The inclination angle of the connection between the frames 1 can achieve the effect of controlling the indoor ventilation.

In order to improve the practical performance of the improved sound-absorbing shutters, in this utility model, the surface of the sound-absorbing cotton 22 is provided with a waterproof film, which can prolong the service life of the sound-absorbing cotton 22; the window frame 1 and the sound-absorbing blades 2 are made of zinc steel plate or aluminum stainless steel The material is anti-corrosion, strong and durable, and can prolong the service time of the utility model.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the differences from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (3)

1. a kind of modified sound-deadening louver, it is characterised in that：A kind of described modified sound-deadening louver includes window frame (1)； The inside joint noise reduction blade (2) of the window frame (1)；Noise reduction blade (2) cross section is airfoil structure, and uses interlayer knot Structure, including bloop upper plate (21), acoustical cotton (22) and bloop lower plate (23)；Acoustical cotton (22) surface is provided with waterproof Film, between the bloop upper plate (21) and the bloop lower plate (23)；The noise reduction blade (2) and the window frame (1) connected between using damping rotary, both connect tilt adjustable.

2. modified sound-deadening louver as claimed in claim 1, it is characterised in that：Material used in the noise reduction blade (2) is zinc Connection angle of inclination adjusting range between steel plate or aluminium formula stainless steel material, its described window frame (1) is 10 degree to 80 degree.

3. modified sound-deadening louver as claimed in claim 1, it is characterised in that：Material used in the acoustical cotton (22) is ultra-fine Centrifugally glass-wool.