CN220868655U - Sound-absorbing honeycomb board - Google Patents
Sound-absorbing honeycomb board Download PDFInfo
- Publication number
- CN220868655U CN220868655U CN202322498205.4U CN202322498205U CN220868655U CN 220868655 U CN220868655 U CN 220868655U CN 202322498205 U CN202322498205 U CN 202322498205U CN 220868655 U CN220868655 U CN 220868655U
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- sound
- absorbing
- honeycomb
- unit
- aluminum plate
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- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 40
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000006260 foam Substances 0.000 claims abstract description 27
- 238000009413 insulation Methods 0.000 claims abstract description 15
- 229920006335 epoxy glue Polymers 0.000 claims abstract description 9
- 239000000945 filler Substances 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 abstract description 32
- 230000000694 effects Effects 0.000 abstract description 18
- 239000000463 material Substances 0.000 abstract description 8
- 239000011358 absorbing material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
Abstract
The utility model discloses a sound-absorbing honeycomb board, which relates to the technical field of noise-reducing boards. The honeycomb skeleton is formed by adhering a plurality of groups of hexagonal unit cells made of PVC materials through epoxy glue, the structure is light and high in strength, through holes are formed in the surfaces of the upper layer thin aluminum plate and the lower layer thin aluminum plate of the outer layer, the through holes are in one-to-one correspondence with the centers of the hexagonal unit cells, sound waves are expanded, reflected, refracted and scattered, a porous sound absorption structure is formed, a good sound absorption effect is achieved, six groups of sound absorption cells are separated by using foam sound insulation plates in the hexagonal unit cells, two groups of foam sound absorption balls are filled in each group of cells to absorb sound, a multi-slit and porous sound absorption structure is formed, and therefore sound absorption coefficients and sound absorption frequency bands of sounds with different frequencies are improved, and the sound absorption effect is greatly enhanced.
Description
Technical Field
The utility model relates to the technical field of noise reduction boards, in particular to a sound-absorbing honeycomb board.
Background
When building decoration, especially for large and medium-sized halls, high-grade classrooms and movie theatres, sound absorbing layers are paved on the inner wall surface and the ceiling of the building so as to reduce indoor noise as much as possible and improve the environmental quality of the building. The interior decoration designer often uses the common glass fiber cotton board or rock wool board as the most basic raw material, after the above-mentioned material is made, the fiber direction is horizontal, it can not bear very big pressure and deform easily, although can use directly in the engineering, but influence engineering quality and esthetic appearance, can not make the facing directly and need to nail wooden frame or install the metal frame on the wall body, will use glass fiber cotton board or other sound absorbing material, pack into the space of the frame, the surface is sealed with the sheet material with several small holes drilled, or metal structure board with sound absorbing holes; in addition, there is also a method of using wood board as the bottom board, installing sponge, wrapping with decorative cloth, making prefabricated member, and embedding on the wall body to make the sound-absorbing board. The method for absorbing sound and reducing noise has the following defects: the former adopts a filling method to realize sound absorption and noise reduction, the sound absorption effect is limited by the perforation rate of the panel, and good sound absorption effect is difficult to achieve; in addition, the existing sound absorbing materials are in a fluffy shape, and a larger thickness is needed to achieve a better sound absorbing and noise reducing effect, and the thickness of the whole sound absorbing plate is increased, so that the thickness, the strength and the like of the frame are relatively improved, and the cost is further increased; the sound-absorbing materials sink under the impact of sound waves and the action of dead weight for a long time, so that cavities are formed in the frame to influence the sound-absorbing effect, the construction cost is high, the construction period is long and the efficiency is low, and therefore, the utility model provides the sound-absorbing honeycomb board.
In the prior art, a Chinese patent document with publication number of CN202090542U and publication date of 2011, 12 months and 28 days is provided to solve the above technical problems, and the technical scheme disclosed in the patent document is as follows: a honeycomb sound-absorbing board comprises a three-layer structure, wherein the middle layer is a hexagonal honeycomb core, and a support thin plate is arranged on the hexagonal honeycomb core; microporous aluminum plates are uniformly distributed under the hexagonal honeycomb core. The sound absorbing material is filled in the hexagonal honeycomb cavity, sound waves are absorbed by the sound absorbing material in the hexagonal honeycomb core through the microporous aluminum plate, so that the sound absorbing effect is achieved, and the sound absorbing material can be used for sound absorbing suspended ceilings and walls in public places, such as suspended ceilings and walls in places such as airport waiting halls, stadiums and conference halls.
In order to solve the problem that the sound absorption effect is limited by the perforation rate of the panel and is difficult to achieve good sound absorption effect when the sound absorption and noise reduction are implemented by using the filling method, the prior art adopts a mode of adding a honeycomb plate and a thin aluminum plate between two layers of supporting plates for treatment, but the problem that the sound insulation effect of the supporting plates is generally achieved by using a plastic plate, and the sound insulation effect of the supporting plates is combined with the thin aluminum plate and the attractive material filled in the honeycomb plate, so that the weight of the whole sound absorption plate is increased is caused.
Disclosure of utility model
The present utility model aims to provide a sound absorbing honeycomb panel to solve the above-mentioned problems in the background art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The sound-absorbing honeycomb board comprises a sound-absorbing honeycomb board main body, wherein the sound-absorbing honeycomb board main body comprises an outer layer board structure and a honeycomb framework structure, the outer layer board structure comprises an outer layer supporting board unit and an inner bonding unit, and the inner bonding unit is arranged on the inner side of the outer layer supporting board unit; the honeycomb skeleton structure comprises a honeycomb skeleton unit and an inner filler unit, wherein the honeycomb skeleton unit is arranged on the inner side of the inner bonding unit, and the inner filler unit is arranged on the inner side of the honeycomb skeleton unit.
The technical scheme of the utility model is further improved as follows: the outer layer supporting plate unit comprises an upper layer thin aluminum plate and a lower layer thin aluminum plate, and through holes are uniformly formed in the surfaces of the upper layer thin aluminum plate and the lower layer thin aluminum plate.
By adopting the technical scheme, the thickness of the upper thin aluminum plate and the lower thin aluminum plate is 1mm.
The technical scheme of the utility model is further improved as follows: the internal bonding unit comprises a layer of sound-absorbing paper and a layer of sound-absorbing paper, wherein the layer of sound-absorbing paper is bonded on the lower surface of the upper layer of thin aluminum plate, and the layer of sound-absorbing paper is bonded on the upper surface of the lower layer of thin aluminum plate.
By adopting the technical scheme, the first layer of sound-absorbing paper and the second layer of sound-absorbing paper are made of non-woven fabrics, so that the bonding area is increased.
The technical scheme of the utility model is further improved as follows: the honeycomb skeleton unit comprises a honeycomb skeleton, the honeycomb skeleton comprises hexagonal unit cells, gaps of 0.2 millimeter are formed among the hexagonal unit cells, and the hexagonal unit cells are bonded by using epoxy glue.
By adopting the technical scheme, the height of the hexagonal unit cell is 5mm.
The technical scheme of the utility model is further improved as follows: the lower surface of the honeycomb framework is adhered to the upper surface of the two layers of sound-absorbing paper, and the upper surface of the honeycomb framework is adhered to the lower surface of the one layer of sound-absorbing paper.
By adopting the technical scheme, the honeycomb framework is formed by adhering a plurality of groups of hexagonal unit cells made of PVC materials by using epoxy glue, and the honeycomb framework has the advantages of light structure and high strength.
The technical scheme of the utility model is further improved as follows: the inner filler unit comprises foam sound insulation plates which are uniformly adhered to the inner side surfaces of the hexagonal unit cells.
By adopting the technical scheme, the foam sound insulation board has good sound insulation effect when increasing hexagonal cell strength for light foam material.
The technical scheme of the utility model is further improved as follows: the inner filler unit further comprises foam sound absorbing balls, and the foam sound absorbing balls are filled between the foam sound insulation plates.
By adopting the technical scheme, the foam sound insulation plate separates the interior of the hexagonal unit cell into six groups of sound absorption cells, and each group of cells is filled with two groups of foam sound absorption balls to absorb sound.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. The utility model provides a sound-absorbing honeycomb board, which is composed of an upper layer of thin aluminum plate, a layer of sound-absorbing paper, a honeycomb framework, two layers of sound-absorbing paper and a lower layer of thin aluminum plate, wherein five layers of materials are all fixed by epoxy glue, the layer of sound-absorbing paper and the two layers of sound-absorbing paper are made of non-woven fabrics, so that the bonding area is increased, and the honeycomb framework honeycomb structure enables the sound-absorbing board to have the advantages of light weight, high strength and good sound-absorbing effect.
2. The utility model provides a sound-absorbing honeycomb board, wherein a honeycomb framework is formed by adhering a plurality of groups of hexagonal cells made of PVC (polyvinyl chloride) by using epoxy glue, the structure is light and has high strength, through holes are formed on the surfaces of an upper layer thin aluminum plate and a lower layer thin aluminum plate of an outer layer, and the through holes are in one-to-one correspondence with the centers of the hexagonal cells, so that sound is subjected to sound wave expansion, reflection, refraction and scattering, a porous sound-absorbing structure is formed, and a good sound-absorbing effect is achieved.
3. The utility model provides a sound-absorbing honeycomb board, six groups of sound-absorbing cells are spaced by using foam sound-insulating plates in the hexagonal cells, each group of cells is filled with two groups of foam sound-absorbing balls to absorb sound, and a multi-slit and multi-hole sound-absorbing structure is formed, so that the sound-absorbing coefficients and sound-absorbing frequency bands of sounds with different frequencies are improved, and the sound-absorbing effect is greatly enhanced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the inside of the structure of the present utility model;
FIG. 3 is a schematic view of the present utility model in a split configuration;
FIG. 4 is a schematic view of a honeycomb skeleton structure of the present utility model;
Fig. 5 is a schematic diagram of a structured hexagonal cell of the present utility model.
In the figure: 1. a sound absorbing honeycomb panel body; 2. an outer layer plate structure; 21. an upper layer of thin aluminum plate; 211. a lower layer of thin aluminum plate; 22. a layer of sound absorbing paper; 221. two layers of sound absorbing paper; 3. a honeycomb skeleton structure; 31. a honeycomb skeleton; 311. hexagonal unit cells; 32. foam acoustic panels; 33. foam sound-absorbing balls.
Detailed Description
The utility model is further illustrated by the following examples:
Example 1
As shown in fig. 1 to 5, the present utility model provides a sound-absorbing honeycomb panel, comprising a sound-absorbing honeycomb panel body 1, the sound-absorbing honeycomb panel body 1 comprising an outer layer plate structure 2 and a honeycomb skeleton structure 3, the outer layer plate structure 2 comprising an outer layer support plate unit and an inner bonding unit, the inner bonding unit being disposed inside the outer layer support plate unit; the honeycomb skeleton structure 3 comprises a honeycomb skeleton unit and an inner filler unit, wherein the honeycomb skeleton unit is arranged on the inner side of an inner bonding unit, the inner filler unit is arranged on the inner side of the honeycomb skeleton unit, an outer supporting plate unit comprises an upper layer thin aluminum plate 21 and a lower layer thin aluminum plate 211, through holes are uniformly formed in the surfaces of the upper layer thin aluminum plate 21 and the lower layer thin aluminum plate 211, the through holes are formed in the upper layer thin aluminum plate 21 and the lower layer thin aluminum plate 211, the mass of the through holes is reduced, meanwhile, the sound absorption effect is improved, the inner bonding unit comprises a layer of sound absorption paper 22 and a layer of sound absorption paper 221, the sound absorption paper 22 is bonded on the lower surface of the upper layer thin aluminum plate 21, the sound absorption paper 221 is bonded on the upper surface of the lower layer thin aluminum plate 211, the sound absorption paper 22 and the sound absorption paper 221 are made of non-woven fabrics, and the bonding area is increased.
Example 2
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the honeycomb skeleton unit includes a honeycomb skeleton 31, the honeycomb skeleton 31 includes hexagonal unit cells 311, gaps of 0.2 mm are provided between the hexagonal unit cells 311, the hexagonal unit cells 311 are bonded by epoxy glue, the honeycomb skeleton 31 is formed by bonding a plurality of groups of hexagonal unit cells 311 made of PVC material by using epoxy glue, the structure is portable and high in strength, the lower surface of the honeycomb skeleton 31 is bonded with the upper surface of the two-layer sound absorbing paper 221, the upper surface of the honeycomb skeleton 31 is bonded with the lower surface of the one-layer sound absorbing paper 22, through holes are formed on the surfaces of the upper thin aluminum plate 21 and the lower thin aluminum plate 211 of the outer layer, and the through holes are in one-to-one correspondence with the centers of the hexagonal unit cells 311, so that sound is subjected to sound expansion, reflection, refraction and scattering, and a porous sound absorbing structure is formed, and a good sound absorbing effect is achieved.
Example 3
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the inner filler unit comprises foam sound insulation plates 32, the foam sound insulation plates 32 are uniformly adhered to the inner side surfaces of the hexagonal unit cells 311, the inner filler unit further comprises foam sound absorption balls 33, the foam sound absorption balls 33 are filled between the foam sound insulation plates 32, six groups of sound absorption cells are arranged in the hexagonal unit cells 311 by using the foam sound insulation plates 32, two groups of foam sound absorption balls 33 are filled in each group of cells to absorb sound, and a multi-slit and porous sound absorption structure is formed, so that the sound absorption coefficient and sound absorption frequency band of sound with different frequencies are improved, and the sound absorption effect is greatly enhanced.
The working principle of the sound-absorbing honeycomb panel will be described in detail.
As shown in fig. 1 to 5, firstly, the sound absorbing plate is composed of an upper layer thin aluminum plate 21+a layer of sound absorbing paper 22+a honeycomb skeleton 31+a two layer of sound absorbing paper 221+a lower layer thin aluminum plate 211, each layer of material is fixed by using epoxy glue, so that the sound absorbing plate is light in weight and high in strength and good in sound absorbing effect, then, through holes are formed in the surfaces of the upper layer thin aluminum plate 21 and the lower layer thin aluminum plate 211 of the outer layer, the through holes are in one-to-one correspondence with the centers of the hexagonal unit cells 311, sound is expanded, reflected, refracted and scattered to form a porous sound absorbing structure, finally, six groups of sound absorbing cells are separated from the inside of the hexagonal unit cells 311 by using foam sound insulating plates 32, each group of cells is filled with two groups of foam sound absorbing balls 33, sound is absorbed, and a multi-slit and porous sound absorbing structure is formed, so that the sound absorbing coefficients and sound absorbing frequency bands of different frequencies of sound are improved.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (7)
1. The sound-absorbing honeycomb board comprises a sound-absorbing honeycomb board main body (1), and is characterized in that: the sound-absorbing honeycomb panel main body (1) comprises an outer layer plate structure (2) and a honeycomb skeleton structure (3), wherein the outer layer plate structure (2) comprises an outer layer supporting plate unit and an inner bonding unit, and the inner bonding unit is arranged on the inner side of the outer layer supporting plate unit; the honeycomb framework structure (3) comprises a honeycomb framework unit and an inner filler unit, wherein the honeycomb framework unit is arranged on the inner side of the inner bonding unit, and the inner filler unit is arranged on the inner side of the honeycomb framework unit.
2. The sound absorbing honeycomb panel of claim 1 wherein: the outer layer supporting plate unit comprises an upper layer thin aluminum plate (21) and a lower layer thin aluminum plate (211), and through holes are uniformly formed in the surfaces of the upper layer thin aluminum plate (21) and the lower layer thin aluminum plate (211).
3. The sound absorbing honeycomb panel of claim 1 wherein: the internal bonding unit comprises a layer of sound-absorbing paper (22) and two layers of sound-absorbing paper (221), wherein the sound-absorbing paper (22) is bonded on the lower surface of the upper layer of thin aluminum plate (21), and the sound-absorbing paper (221) is bonded on the upper surface of the lower layer of thin aluminum plate (211).
4. The sound absorbing honeycomb panel of claim 1 wherein: the honeycomb skeleton unit comprises a honeycomb skeleton (31), the honeycomb skeleton (31) comprises hexagonal unit cells (311), gaps of 0.2 millimeter are formed among the hexagonal unit cells (311), and the hexagonal unit cells (311) are bonded by epoxy glue.
5. The sound absorbing honeycomb panel of claim 4 wherein: the lower surface of the honeycomb framework (31) is adhered to the upper surface of the two layers of sound-absorbing paper (221), and the upper surface of the honeycomb framework (31) is adhered to the lower surface of the one layer of sound-absorbing paper (22).
6. The sound absorbing honeycomb panel of claim 1 wherein: the inner filler unit comprises foam sound insulation plates (32), and the foam sound insulation plates (32) are uniformly adhered to the inner side surfaces of the hexagonal unit cells (311).
7. The sound absorbing honeycomb panel of claim 1 wherein: the inner filler unit further comprises foam sound absorbing balls (33), and the foam sound absorbing balls (33) are filled between the foam sound insulation plates (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322498205.4U CN220868655U (en) | 2023-09-14 | 2023-09-14 | Sound-absorbing honeycomb board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322498205.4U CN220868655U (en) | 2023-09-14 | 2023-09-14 | Sound-absorbing honeycomb board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220868655U true CN220868655U (en) | 2024-04-30 |
Family
ID=90816667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322498205.4U Active CN220868655U (en) | 2023-09-14 | 2023-09-14 | Sound-absorbing honeycomb board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220868655U (en) |
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2023
- 2023-09-14 CN CN202322498205.4U patent/CN220868655U/en active Active
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