CN211395419U

CN211395419U - Sound absorption assembly

Info

Publication number: CN211395419U
Application number: CN201921878031.1U
Authority: CN
Inventors: 刘海泉
Original assignee: Individual
Current assignee: Sichuan Kunyu Environmental Protection Technology Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-09-01
Anticipated expiration: 2029-11-01

Abstract

An embodiment of the utility model provides a sound absorption assembly relates to tunnel noise control field. The sound absorption assembly comprises an installation frame, a sound absorption plate, a first supporting piece and a second supporting piece, wherein the first supporting piece and the second supporting piece are respectively connected with the installation frame, a plurality of first sound absorption holes are formed in the first supporting piece, a plurality of second sound absorption holes are formed in the second supporting piece, the sound absorption plate is arranged between the first supporting piece and the second supporting piece, and the surfaces of two opposite sides of the sound absorption plate are respectively communicated with the first sound absorption holes and the second sound absorption holes. The first sound absorption hole that sets up on first backup pad can be convenient for absorb sound through sound absorption panel on sound transmission to sound absorption panel to noise reduction promotes sound absorption assembly's sound absorption effect.

Description

Sound absorption assembly

Technical Field

The utility model relates to a tunnel noise control field particularly, relates to a sound absorption assembly.

Background

With the attention on the aspect of environmental protection, noise pollution is more and more paid attention to, and a large amount of noises are generated in the driving of the urban tunnel of the vehicle, resonance is formed, and the noise pollution is generated to a vehicle driver and surrounding residents. The existing outdoor sound-absorbing board is inconvenient to install, and the sound-absorbing effect cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sound absorption assembly, it has the characteristics that the sound absorption is effectual and easy to install.

The embodiment of the utility model is realized like this:

in a first aspect, an embodiment provides a sound absorption assembly, which includes an installation frame, a sound absorption plate, a first support member and a second support member, wherein the first support member and the second support member are respectively connected to the installation frame, the first support member is provided with a plurality of first sound absorption holes, the second support member is provided with a plurality of second sound absorption holes, the sound absorption plate is arranged between the first support member and the second support member, and two opposite side surfaces of the sound absorption plate are respectively communicated with the first sound absorption holes and the second sound absorption holes.

In an alternative embodiment, the sound absorption plate comprises a sound absorption plate body and a hydrophobic cloth, the hydrophobic cloth is laid on the side surface of the sound absorption plate body and is close to the first supporting piece, the hydrophobic cloth is communicated with the first sound absorption hole, and the sound absorption plate body is communicated with the second sound absorption hole.

In an alternative embodiment, the mounting frame includes a plurality of first mounting frames and a plurality of second mounting frames, the extending directions of the plurality of first mounting frames are parallel to each other, and the extending directions of the plurality of second mounting frames are parallel to each other and arranged at an angle to the extending directions of the plurality of first mounting frames.

In an alternative embodiment, the mounting frame is provided with a first mounting surface and a second mounting surface which are opposite to each other, the first supporting piece is connected with the first mounting surface, the second supporting piece is connected with the second mounting surface, and the second mounting surface is connected with a sound absorption plate.

In an alternative embodiment, an adhesive layer is filled between the first support and the first mounting surface.

In an alternative embodiment, the sound absorbing assembly further comprises a fixing member passing through the second support member and the second mounting surface and protruding into the mounting frame.

In an alternative embodiment, the mounting frame further has an internal cavity, the second mounting surface is provided with a first mounting hole communicating with the internal cavity, and the fixing member passes through the first mounting hole and extends into the internal cavity.

In an alternative embodiment, the second supporting member is provided with a mounting groove, a portion of the mounting frame is received in the mounting groove, and a second mounting hole for the fixing member to pass through is formed in a bottom wall of the mounting groove.

In an alternative embodiment, the first support has an opening ratio of 20% or more, and the first sound-absorbing holes have a hole diameter in a range of 1 to 3 mm.

In an alternative embodiment, the sound absorbing panel is bonded to both the first support and the second support.

The embodiment of the utility model provides a beneficial effect is: the sound absorption plate is used for absorbing sound, the first supporting piece and the second supporting piece are respectively connected with the installation frame, and the sound absorption plate is arranged between the first supporting piece and the second supporting piece, so that the sound absorption plate is fixed. The first sound absorption hole that sets up on first backup pad can be convenient for absorb sound through sound absorption panel to noise reduction on sound transmission to sound absorption panel. The second sound absorption hole communicates with the another side of sound absorption panel, can transmit remaining sound to sound absorption component's opposite side to further promote sound absorption component's sound absorption effect, reduce the further propagation of noise in the transmission of sound. When the sound absorption assembly is installed, the first supporting piece can be installed on the installation frame, the sound absorption plate is connected with the first supporting piece, and finally the second supporting piece is connected with the installation frame. Above-mentioned installation procedure is simple, promptly the embodiment of the utility model provides a sound absorption assembly has the characteristics of easily installing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a sound absorption assembly provided in an embodiment of the present invention;

FIG. 2 is a partially enlarged schematic view of FIG. 1;

FIG. 3 is a schematic view of the sound absorbing assembly of FIG. 1 from another perspective;

FIG. 4 is a schematic diagram of a partial process configuration of FIG. 3;

FIG. 5 is a schematic view of the mounting frame of FIG. 1;

fig. 6 is a schematic cross-sectional view of the sound absorbing assembly of fig. 1.

Icon: 100-a sound absorbing assembly; 110-a mounting frame; 111-a first mounting frame; 112-a second mounting frame; 113-a first mounting surface; 114-a second mounting surface; 115-an internal chamber; 120-sound absorbing panel; 121-a sound absorption board body; 122-hydrophobic cloth; 130-a first support; 131-a first sound-absorbing aperture; 140-a second support; 141-a second sound-absorbing aperture; 150-an adhesive layer; 160-fixing elements.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present embodiment provides a sound absorption assembly 100, which has the characteristics of good sound absorption effect and easy installation.

It is noted that the sound absorbing assembly 100 can be used for tunnel sound absorption to reduce noise pollution. Of course, the sound absorbing assembly 100 may be used in other settings where noise reduction is desired.

In the embodiment of the present invention, the sound absorption assembly 100 includes a mounting frame 110, a sound absorption plate 120, a first supporting member 130 and a second supporting member 140, the first supporting member 130 and the second supporting member 140 are respectively connected to the mounting frame 110, the first supporting member 130 is provided with a plurality of first sound absorption holes 131, the second supporting member 140 is provided with a plurality of second sound absorption holes 141, the sound absorption plate 120 is disposed between the first supporting member 130 and the second supporting member 140, and two opposite side surfaces of the sound absorption plate 120 are respectively communicated with the first sound absorption holes 131 and the second sound absorption holes 141.

It should be understood that the sound absorbing panel 120 is used for sound absorption, the first and

second supports

130 and 140 are respectively connected to the mounting frame 110, and the sound absorbing panel 120 is disposed between the first and

second supports

130 and 140, thereby achieving fixation of the sound absorbing panel 120. The first sound-absorbing holes 131 provided in the first support plate can transmit sound to the sound-absorbing panel 120, facilitating sound absorption through the sound-absorbing panel 120, thereby reducing noise. The second sound-absorbing hole 141 communicates with the other side surface of the sound-absorbing panel 120, and can transmit the remaining sound to the other side surface of the sound-absorbing assembly 100. Generally, the side surface of the side is spaced from the wall surface of the building to form a sound absorption cavity, so that the sound absorption effect of the sound absorption assembly 100 is further improved, and the further propagation of noise is reduced in the sound transmission process.

Also, when the sound absorbing assembly 100 is installed, the first supporting member 130 may be first installed on the installation frame 110, the sound absorbing panel 120 may be connected to the first supporting member 130, and the second supporting member 140 may be finally connected to the installation frame 110. The installation steps are simple, that is, the embodiment of the present invention provides a sound absorption assembly 100 with easy installation features.

Of course, the sound absorption assembly 100 provided by the embodiments of the present invention can also be installed by other steps, and the present invention is not limited to the specific installation steps, but only to the structural improvement of the sound absorption assembly 100.

It should be noted that, when the sound absorption assembly 100 is installed, the second supporting member 140 is close to a wall surface, for example, a wall surface of a tunnel, and a sound absorption cavity can be formed between the second supporting member 140 and the wall surface, and noise enters the sound absorption cavity through the first sound absorption holes 131, the sound absorption plate 120 and the second sound absorption holes 141, so that a good sound absorption effect is achieved. The sound absorption assembly 100 has a good sound absorption effect and a high sound absorption coefficient.

Referring to fig. 6, in an alternative embodiment, the sound absorption plate 120 includes a sound absorption plate body 121 and a hydrophobic cloth 122, the hydrophobic cloth 122 is laid on a side surface of the sound absorption plate body 121, the hydrophobic cloth 122 is close to the first support member 130, the hydrophobic cloth 122 is communicated with the first sound absorption hole 131, and the sound absorption plate body 121 is communicated with the second sound absorption hole 141.

It should be understood that the hydrophobic cloth 122 is used to ensure the dryness of the sound-absorbing panel body 121 and prevent the sound-absorbing panel body 121 from rotting and the like caused by being exposed to a humid environment for a long time, so as to prolong the service life of the sound-absorbing panel body 121 and ensure the service life and the sound-absorbing effect of the sound-absorbing assembly 100.

Optionally, the sound absorbing board body 121 of the sound absorbing board 120 may be a nano metal sound absorbing felt, and the nano material has a good sound absorbing effect, so that the sound absorbing assembly 100 can further reduce noise. Of course, other materials with sound absorption function may be used.

Referring to fig. 5, in an alternative embodiment, the mounting frame 110 includes a plurality of first mounting frames 111 and a plurality of second mounting frames 112, the extending directions of the plurality of first mounting frames 111 are parallel to each other, and the extending directions of the plurality of second mounting frames 112 are parallel to each other and form an included angle with the extending direction of the plurality of first mounting frames 111.

It should be noted that the connection manner between the first supporting members 130 and the second supporting members 140 and the mounting frame 110 is simultaneously applicable to all of the first mounting frames 111 and all of the second mounting frames 112, that is, the first supporting members 130 are connected with the first mounting frames 111 and the second mounting frames 112, and the second supporting members 140 are connected with the first mounting frames and the second mounting frames.

Meanwhile, it can be understood that the first mounting part and the second mounting part 112 are arranged at an included angle with each other, so that the sound absorption assembly 100 has high strength, and thus the sound absorption assembly 100 has a good supporting effect and is not easy to deform.

In addition, it should be noted that the number of the first and second mounting

frames

111 and 112 is related to the size of the sound absorbing assembly 100, and in order to ensure the structural stability of the mounting frame 110 and the sound absorbing assembly 100, the number of the first and second mounting

frames

111 and 112 is increased correspondingly if the size of the sound absorbing assembly 100 is larger. Of course, the first and second mounting

brackets

111 and 112 may be made of a material with better strength and stability, and in this case, the number of the first and second mounting

brackets

111 and 112 may be fixed.

Referring to fig. 6, the mounting frame 110 is further provided with a first mounting surface 113 and a second mounting surface 114 opposite to each other, the first supporting member 130 is connected to the first mounting surface 113, the second supporting member 140 is connected to the second mounting surface 114, and the second mounting surface 114 is connected to the sound absorbing plate 120.

It should be noted that the mounting frame 110 may be substantially square, and in addition to the first mounting surface 113 and the second mounting surface 114, it may also have another set of opposite mounting surfaces, which are respectively connected to different sound absorbing panels 120, or a certain gap may be provided between the mounting frame and the sound absorbing panels 120, and the gap may also be filled with an adhesive or the like.

Optionally, an adhesive layer 150 is filled between the first support 130 and the first mounting surface 113. That is, the first supporting member 130 is connected to the first mounting surface 113 by adhesion, and the adhesive layer 150 may be a double-layer adhesive tape.

In an alternative embodiment, the sound absorbing assembly 100 further includes a fixing member 160, and the fixing member 160 passes through the second supporting member 140 and the second mounting surface 114 and extends into the mounting frame 110.

It should be understood that the fixing member 160 is used to fix the second supporting member 140 and the mounting frame 110, enabling the second supporting member 140 to be conveniently mounted on the mounting frame 110. The fixing member 160 may be a bolt or other structure capable of fixing.

In an alternative embodiment, the mounting frame 110 further has an interior chamber 115, the second mounting surface 114 is provided with a first mounting hole communicating with the interior chamber 115, and the fixing member 160 passes through the first mounting hole and protrudes into the interior chamber 115.

It should be understood that the mounting frame 110 has an internal cavity 115, that is, the first and second mounting

frames

111 and 112 may have a cavity, and the internal cavity 115 can reduce the weight of the mounting frame 110 while ensuring the strength of the mounting frame 110, thereby facilitating the assembly of the components and the installation of the sound absorbing assembly 100.

In an alternative embodiment, the second supporting member 140 is provided with a mounting groove (not shown) in which the portion of the mounting frame 110 is received, and a second mounting hole through which the fixing member 160 passes is provided on a bottom wall of the mounting groove.

Alternatively, as shown in fig. 6, the mounting frame 110 is substantially a square frame structure surrounded by square steel.

Referring to fig. 3, optionally, the aperture ratio of the first supporting member 130 is greater than or equal to 20%, such as 25%, 30%, etc. of the first supporting member 130.

Alternatively, the first sound-absorbing hole 131 has an aperture size in the range of 1-3 mm, such as 2 mm, or 2.5 mm.

It should be understood that the above-mentioned pore size refers to the diameter of the pores. The number of the first sound absorption holes 131 is plural, and the sizes of the first sound absorption holes 131 may be identical, for example, 1.8 mm; alternatively, at least two of the first sound-absorbing holes 131 have different apertures, for example, one of the two holes has an aperture of 1.5 mm and the other hole has an aperture of 2.3 mm.

Referring to fig. 2, the second supporter 140 may be a metal mesh, wherein the second sound-absorbing holes 141 provided on the second supporter 140 may be meshes of the metal mesh.

In an alternative embodiment, the sound absorbing panel 120 is bonded to both the first and

second supports

130 and 140. The bonding mode can be realized by coating adhesive or pasting double-sided adhesive tape. In the present embodiment, the specific bonding method is not particularly limited.

Referring to fig. 1 to fig. 6, in the embodiment of the present invention: the sound absorbing panel 120 is used for absorbing sound, the first support 130 and the second support 140 are respectively connected to the mounting frame 110, and the sound absorbing panel 120 is disposed between the first support 130 and the second support 140, thereby achieving fixation of the sound absorbing panel 120. The first sound-absorbing holes 131 provided in the first support plate can transmit sound to the sound-absorbing panel 120, facilitating sound absorption through the sound-absorbing panel 120, thereby reducing noise. The second sound absorption hole 141 is communicated with the other side surface of the sound absorption plate 120, and can transmit the residual sound to the other side of the sound absorption assembly 100, so that the sound absorption effect of the sound absorption assembly 100 is further improved, and the further transmission of the noise is reduced in the sound transmission process. Also, when the sound absorbing assembly 100 is installed, the first supporting member 130 may be first installed on the installation frame 110, the sound absorbing panel 120 may be connected to the first supporting member 130, and the second supporting member 140 may be finally connected to the installation frame 110. The installation steps are simple, that is, the embodiment of the present invention provides a sound absorption assembly 100 with easy installation features.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a sound absorption assembly, its characterized in that, includes installation frame, sound absorption panel, first support piece and second support piece, first support piece with second support piece respectively with installation frame connected, be provided with a plurality of first sound-absorbing holes on the first support piece, be provided with a plurality of second sound-absorbing holes on the second support piece, the sound absorption panel set up in first support piece with between the second support piece, the relative both sides surface of sound absorption panel respectively with first sound-absorbing hole with second sound-absorbing hole intercommunication.

2. The sound absorbing assembly of claim 1 wherein the sound absorbing panel includes a sound absorbing panel body and a hydrophobic cloth, the hydrophobic cloth being disposed on a side of the sound absorbing panel body adjacent the first support member, the hydrophobic cloth being in communication with the first sound absorbing apertures, the sound absorbing panel body being in communication with the second sound absorbing apertures.

3. The sound absorbing assembly of claim 1, wherein the mounting frame includes a plurality of first mounting brackets extending in parallel directions and a plurality of second mounting brackets extending in parallel directions and disposed at an angle to the extending directions of the first mounting brackets.

4. The sound absorbing assembly of claim 1 wherein the mounting frame is provided with first and second opposing mounting surfaces, the first support member being connected to the first mounting surface, the second support member being connected to the second mounting surface, the second mounting surface being connected to the sound absorbing panel.

5. The sound absorbing assembly of claim 4 wherein an adhesive layer is filled between the first support and the first mounting surface.

6. The sound absorbing assembly of claim 4 further comprising a fastener passing through the second support member and the second mounting surface and extending into the mounting frame.

7. The sound absorbing assembly of claim 6 wherein the mounting frame further has an interior chamber, the second mounting face being provided with a first mounting hole communicating with the interior chamber, the fastener passing through the first mounting hole and extending into the interior chamber.

8. The sound absorbing assembly as claimed in claim 6, wherein the second supporting member is provided with a mounting groove in which a portion of the mounting frame is received, and a second mounting hole through which the fixing member passes is formed in a bottom wall of the mounting groove.

9. The sound absorbing assembly as recited in any one of claims 1 to 8 wherein the first support has an open porosity of 20% or greater and the first sound absorbing apertures have an aperture size in the range of 1 to 3 mm.

10. The sound absorbing assembly of any of claims 1-8, wherein the sound absorbing panel is bonded to both the first support and the second support.