CN219773248U - Sound absorption wall surface for auditorium - Google Patents
Sound absorption wall surface for auditorium Download PDFInfo
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- CN219773248U CN219773248U CN202320974308.0U CN202320974308U CN219773248U CN 219773248 U CN219773248 U CN 219773248U CN 202320974308 U CN202320974308 U CN 202320974308U CN 219773248 U CN219773248 U CN 219773248U
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- sound
- sound absorption
- cement board
- layer
- wall surface
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 63
- 239000004568 cement Substances 0.000 claims abstract description 64
- 229920000742 Cotton Polymers 0.000 claims description 21
- 239000011120 plywood Substances 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 9
- 239000010410 layer Substances 0.000 description 50
- 239000006260 foam Substances 0.000 description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000012814 acoustic material Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Building Environments (AREA)
Abstract
The utility model relates to the technical field of buildings and discloses a sound absorption wall surface for an auditorium, which comprises an inner sound absorption layer, two first cement plates, two sound insulation felts, a second cement plate and an outer sound absorption layer, wherein the two first cement plates are respectively arranged on two sides of the inner sound absorption layer, the two sound insulation felts are respectively arranged on one side, far away from the inner sound absorption layer, of the two first cement plates, the two second cement plates are respectively arranged on one side, far away from the first cement plates, of the two sound insulation felts, and the outer sound absorption layer is arranged on one side, far away from the sound insulation felts, of one of the second cement plates. The utility model adopts the inner and outer sound absorption structures, realizes the function of double sound absorption, ensures that the wall surface achieves the best sound insulation effect, and has higher practicability.
Description
Technical Field
The utility model relates to the technical field of buildings, in particular to a sound absorption wall surface for an auditorium.
Background
The current sound absorption wall surface is widely applied to auditorium places with high requirements on acoustic environments, such as stadiums, concert halls, meeting rooms, studio and the like.
Wherein patent number is CN209277441U, discloses a wall sound absorbing assembly, including acoustic baffle and mounting, the acoustic baffle is including wave sound film, metal orifice plate, outer non-woven fabrics, acoustic material board, inlayer non-woven fabrics, the dull and stereotyped that sheet metal coincide and its board side is provided with splice mechanism and can carries out the plate and splice, and the acoustic baffle passes through the mounting and uses sheet metal to laminate as the faying face laminating and fix on the wall.
In the scheme, only a single layer of porous acoustic material is adopted as the sound absorption material, so that the best wall surface sound insulation and noise reduction effect cannot be achieved. Therefore, a sound absorption wall surface for auditoriums is provided.
Disclosure of Invention
The utility model aims to solve the problem of poor sound absorption effect of the wall surface of an auditorium in the prior art, and provides a sound absorption wall surface for the auditorium.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a sound absorption wall is used in auditorium, includes interior sound absorbing layer, first cement board, sound-proof felt, second cement board and outer sound absorbing layer, first cement board is two, two first cement board sets up respectively in interior sound absorbing layer's both sides, sound-proof felt is two, two sound-proof felt sets up respectively in two first cement boards and keeps away from one side of interior sound absorbing layer, second cement board is two, two second cement board sets up respectively in two sound-proof felt keep away from one side of first cement board, outer sound absorbing layer sets up in one of them second cement board and keeps away from one side of sound-proof felt.
Preferably, the inner sound absorbing layer comprises two sound absorbing boards and sound absorbing cotton, the sound absorbing cotton is arranged between the two sound absorbing boards, two C-shaped light steel keels are symmetrically and fixedly arranged between the sound absorbing boards, and the C-shaped light steel keels are arranged in the sound absorbing cotton.
Preferably, a plurality of evenly distributed sound absorbing holes are formed in the surface of the sound absorbing plate, and the sound absorbing holes are distributed in different sizes.
Preferably, the outer sound absorbing layer comprises a plywood, a flexible package facing and a foam sound absorbing layer, wherein the foam sound absorbing layer is arranged between the plywood and the flexible package facing, and the plywood is fixedly adhered to the side face of the second cement board through glue.
Preferably, decorative pressing strips are fixedly arranged at the edges of two sides of the middle part between the plywood and the soft package facing.
Preferably, the first cement board comprises a cement layer and a reinforcing steel layer, the reinforcing steel layer is arranged in the cement layer in a net shape, and the internal structure of the second cement board is the same as that of the first cement board.
Preferably, the sound absorbing plate is made of polyester fiber.
Preferably, the sound-absorbing cotton is compressed sheet cotton.
Preferably, the sound-proof felt is a PVC sound-proof felt, and the thickness of the sound-proof felt is 12mm.
Compared with the prior art, the utility model provides the sound absorption wall surface for the auditorium, which has the following beneficial effects:
1. this sound absorption wall is used in auditorium through interior sound-absorbing layer and the outer sound-absorbing layer that is equipped with, interior sound-absorbing layer and outer sound-absorbing layer set up respectively in the inside and outside both sides of wall, can play the best effect to noise isolation.
2. This sound absorption wall for auditorium adopts plywood, flexible package veneer and foamed plastic sound absorption layer to constitute through outer sound absorption layer, because foamed plastic is by a large amount of gaseous micropore dispersion in the polymer material of forming in solid plastic, has characteristics such as light in weight, thermal-insulated, inhale sound and shock attenuation, interior sound absorption layer adopts the abatvoix and inhale the sound cotton and constitutes, and the abatvoix is high with inhaling the sound absorption rate of sound cotton, and sound insulation performance is good to realized the function of dual sound absorption, make the wall reach best sound insulation effect.
3. This sound absorption wall is used in auditorium through setting up at the inside reinforcing bar layer of first cement board and second cement board, and the structural strength of cement layer can be increased to the reinforcing bar layer to promote the use intensity of first cement board and second cement board.
The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, the internal and external sound absorption structure is adopted, the double sound absorption function is realized, the wall surface achieves the optimal sound insulation effect, and the practicability is higher.
Drawings
Fig. 1 is a schematic structural view of a sound-absorbing wall surface for an auditorium according to the present utility model;
FIG. 2 is a schematic view of the inner sound absorbing layer of FIG. 1;
FIG. 3 is a schematic view of the structure of the outer sound absorbing layer of FIG. 1;
fig. 4 is a schematic structural view of the first cement panel of fig. 1.
In the figure: 1. an inner sound absorbing layer; 2. a first cement board; 3. a sound-insulating felt; 4. a second cement board; 5. an outer sound-absorbing layer; 6. a sound absorbing panel; 7. sound absorbing cotton; 8. c-shaped light steel keels; 9. a sound absorbing hole; 10. plywood; 11. soft package facing; 12. a foam sound absorbing layer; 13. decoration layering; 14. a cement layer; 15. and a reinforcing steel bar layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1, a sound absorption wall surface for auditorium, including interior sound absorption layer 1, first cement board 2, the sound-proof felt 3, second cement board 4 and outer sound absorption layer 5, first cement board 2 is two, two first cement boards 2 set up respectively in the both sides of interior sound absorption layer 1, sound-proof felt 3 is two, two sound-proof felt 3 set up respectively in the one side of interior sound absorption layer 1 is kept away from to two first cement boards 2, sound-proof felt 3 adopts the PVC sound-proof felt, and the thickness of sound-proof felt 3 is 12mm, sound-proof felt 3 possesses certain sound absorbing effect, second cement board 4 is two, two second cement boards 4 set up respectively in one side of keeping away from first cement board 2 in two sound-proof felt 3, outer sound absorption layer 5 sets up in one side of keeping away from sound-proof felt 3 in one of second cement board 4, interior sound absorption layer 1 and outer sound absorption layer 5 set up respectively in the inside and outside both sides of wall surface, can play the best effect to noise isolation.
Example 2
Referring to fig. 1-2, the inner sound absorbing layer 1 comprises two sound absorbing boards 6 and sound absorbing cotton 7, the sound absorbing cotton 7 is arranged between the two sound absorbing boards 6, the sound absorbing cotton 7 is compressed sheet cotton, two C-shaped light steel keels 8 are symmetrically and fixedly arranged between the two sound absorbing boards 6, the C-shaped light steel keels 8 are arranged in the sound absorbing cotton 7, the C-shaped light steel keels 8 can increase the structural strength between the sound absorbing boards 6 and the sound absorbing cotton 7, a plurality of sound absorbing holes 9 which are uniformly distributed are formed in the surface of the sound absorbing boards 6, the sound absorbing holes 9 are distributed in different sizes, the sound absorbing holes 9 can reduce noise, the sound absorbing boards 6 are made of polyester fiber sound absorbing boards, the sound absorbing coefficient of the polyester fiber sound absorbing boards is increased along with the increase of frequency, and the sound absorbing coefficient of high frequency is very large.
Example 3
Referring to fig. 1 and 3, the outer sound-absorbing layer 5 includes a plywood 10, a flexible package facing 11 and a foam sound-absorbing layer 12, the foam sound-absorbing layer 12 is disposed between the plywood 10 and the flexible package facing 11, the plywood 10 is fixedly adhered to the side surface of the second cement board 4 by glue, decorative pressing strips 13 are fixedly disposed at both side edges of the middle portion between the plywood 10 and the flexible package facing 11, and the decorative pressing strips 13 can increase the structural strength between the plywood 10 and the flexible package facing 11 and simultaneously play a role of edge sealing of the side devices.
Example 4
Referring to fig. 1 and 4, the first cement board 2 includes a cement layer 14 and a reinforcement layer 15, the reinforcement layer 15 is arranged in a net shape inside the cement layer 14, the internal structure of the second cement board 4 is identical to that of the first cement board 2, and the reinforcement layer 15 can increase the structural strength of the cement layer 14, thereby improving the use strength of the first cement board 2 and the second cement board 4.
In the utility model, when in use, noise is firstly subjected to sound absorption treatment through the outer sound absorption layer 5, and the foam plastic of the foam plastic sound absorption layer 5 is a polymer material formed by dispersing a large amount of gas micropores in solid plastic, so that the foam plastic has the characteristics of light weight, heat insulation, sound absorption, vibration absorption and the like, can treat the noise one time, and meanwhile, the inner sound absorption layer 1 is formed by the sound absorption plate 6 and the sound absorption cotton 7, so that the sound absorption rate of the sound absorption plate 6 and the sound absorption cotton 7 is high, the sound insulation performance is good, the double sound absorption function is realized, and the wall surface achieves the optimal sound insulation effect.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (9)
1. The utility model provides a sound absorption wall is used in auditorium, includes interior sound absorbing layer (1), first cement board (2), sound-proof felt (3), second cement board (4) and outer sound absorbing layer (5), its characterized in that, first cement board (2) are two, two first cement board (2) set up respectively in the both sides of interior sound absorbing layer (1), sound-proof felt (3) are two, two sound-proof felt (3) set up respectively in two first cement board (2) keep away from one side of interior sound absorbing layer (1), second cement board (4) are two, two second cement board (4) set up respectively in two sound-proof felt (3) keep away from one side of first cement board (2), outer sound absorbing layer (5) set up in one of them second cement board (4) keep away from one side of sound-proof felt (3).
2. The sound absorption wall surface for the auditorium according to claim 1, wherein the inner sound absorption layer (1) comprises two sound absorption boards (6) and sound absorption cotton (7), the sound absorption cotton (7) is arranged between the two sound absorption boards (6), two C-shaped light steel keels (8) are symmetrically and fixedly arranged between the two sound absorption boards (6), and the C-shaped light steel keels (8) are arranged in the sound absorption cotton (7).
3. The sound absorption wall surface for the auditorium according to claim 2, wherein a plurality of sound absorption holes (9) which are uniformly distributed are formed in the surface of the sound absorption plate (6), and the sound absorption holes (9) are distributed in different sizes.
4. The sound-absorbing wall surface for auditorium according to claim 1, characterized in that the outer sound-absorbing layer (5) comprises a plywood (10), a flexible package facing (11) and a foamed plastic sound-absorbing layer (12), the foamed plastic sound-absorbing layer (12) is arranged between the plywood (10) and the flexible package facing (11), and the plywood (10) is fixedly adhered to the side surface of the second cement board (4) through glue.
5. The sound absorption wall surface for auditorium according to claim 4, characterized in that decorative trim strips (13) are fixedly arranged at the two side edges of the middle part between the plywood (10) and the soft package facing (11).
6. The sound absorption wall surface for auditorium according to claim 1, characterized in that the first cement board (2) comprises a cement layer (14) and a reinforcement layer (15), the reinforcement layer (15) is arranged inside the cement layer (14) in a net shape, and the inner structure of the second cement board (4) is the same as that of the first cement board (2).
7. The sound-absorbing wall surface for auditorium according to claim 2, characterized in that the sound-absorbing plate (6) is made of polyester fiber.
8. A sound absorbing wall surface for auditoriums according to claim 2, characterized in that the sound absorbing cotton (7) is compressed sheet cotton.
9. A sound-absorbing wall surface for an auditorium according to claim 1, characterized in that the deadening felt (3) is a PVC deadening felt, and the thickness of the deadening felt (3) is 12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320974308.0U CN219773248U (en) | 2023-04-26 | 2023-04-26 | Sound absorption wall surface for auditorium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320974308.0U CN219773248U (en) | 2023-04-26 | 2023-04-26 | Sound absorption wall surface for auditorium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219773248U true CN219773248U (en) | 2023-09-29 |
Family
ID=88138506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320974308.0U Active CN219773248U (en) | 2023-04-26 | 2023-04-26 | Sound absorption wall surface for auditorium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219773248U (en) |
-
2023
- 2023-04-26 CN CN202320974308.0U patent/CN219773248U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |