CN112780001A - Sound absorption triangular structure and using method thereof - Google Patents
Sound absorption triangular structure and using method thereof Download PDFInfo
- Publication number
- CN112780001A CN112780001A CN202110037643.3A CN202110037643A CN112780001A CN 112780001 A CN112780001 A CN 112780001A CN 202110037643 A CN202110037643 A CN 202110037643A CN 112780001 A CN112780001 A CN 112780001A
- Authority
- CN
- China
- Prior art keywords
- sound absorption
- triangular structure
- frame body
- structural frame
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000009792 diffusion process Methods 0.000 claims abstract description 25
- 239000007787 solid Substances 0.000 claims abstract description 20
- 239000002023 wood Substances 0.000 claims abstract description 20
- 239000003365 glass fiber Substances 0.000 claims abstract description 10
- 239000004744 fabric Substances 0.000 claims abstract description 9
- 229920000742 Cotton Polymers 0.000 claims abstract description 6
- 230000010355 oscillation Effects 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000005034 decoration Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention belongs to the technical field of architectural decoration sound absorption structures, and discloses a sound absorption triangular structure and a using method thereof, wherein the sound absorption triangular structure is characterized in that the sound absorption triangular structure is provided with a structural frame body; the surface side of the structural frame body is provided with a cloth decorative layer, and glass fiber cotton is filled in the cloth decorative layer; the surface side of the structural frame body is provided with a diffusion grid plate, and the structural frame body is provided with a solid wood decorative plate; the solid wood decorative board is obliquely assembled with a multilayer board, and the middle of the multilayer board is assembled with a glass fiber board. The invention adopts the solid wood decorative plate with lower resonance characteristic as the substrate, utilizes the structural design of the substrate to form the gradual change space, and installs the sound absorption medium on the reflecting layer and the sound absorption layer of the gradual change space. The invention is suitable for various sound absorption spaces by integrating the sound absorption and diffusion structures, the sound absorption modules are correctly arranged, the transmission tendency of space sound waves can be effectively avoided, and the high-frequency loss and the phase interference of the sound waves are reduced.
Description
Technical Field
The invention belongs to the technical field of architectural decoration sound absorption structures, and particularly relates to a sound absorption triangular structure and a using method thereof.
Background
At present, the characteristics of indoor space sound absorption mainly include low-frequency turbidity and overlong reflected sound path, sound absorption at medium and low frequencies is a direct method for solving the problem of space acoustics, the physical characteristics of homogeneous materials determine that the tendency of the acoustics characteristics is single, the sound absorption frequency band is narrow, and a large amount of sound absorption media are tiled to easily cause more sound defects. In order to solve the problem of narrow sound absorption frequency band in the application of indoor sound absorption technology, the sound absorption frequency is adjusted by changing an air oscillation layer between a sound absorption medium and a reflection medium. And few such structural acoustic units are currently available.
Through the above analysis, the problems and defects of the prior art are as follows: the sound absorption medium material is single, the sound absorption frequency band is narrow, and the effective sound absorption range is insufficient.
The difficulty in solving the above problems and defects is: the problem of the width of the sound frequency band can be effectively solved by matching the space gradual change and the sound absorption layer.
The significance of solving the problems and the defects is as follows: the invention improves the sound absorption uniformity of the indoor space, effectively performs sound absorption conversion on the middle frequency and the low frequency, and avoids high-frequency energy loss.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a sound absorption triangular structure and a using method thereof.
The invention is realized in such a way that the sound absorption triangular structure is provided with a structural frame body;
the surface side of the structural frame body is provided with a cloth decorative layer, and glass fiber cotton is filled in the cloth decorative layer;
the surface side of the structural frame body is provided with a diffusion grid plate, and the structural frame body is provided with a solid wood decorative plate;
the solid wood decorative board is obliquely assembled with a multilayer board, and the middle of the multilayer board is assembled with a glass fiber board.
Further, the acoustic triangular structure is 1200 × 300 × 1200mm long by width; the weight is as follows: 38 kg.
Further, the diffusion grid plate is a one-dimensional quadratic residue diffusion grid or a high-order diffusion grid.
Further, a structural solid wood back plate is installed on the upper side of the structural frame body.
Further, the solid wood decorative plate is arranged on the inner side of the diffusion grid plate.
Another object of the present invention is to provide a method for using a sound absorption triangular structure of the sound absorption triangular structure, the method comprising:
the composite sound absorption unit is mainly formed by sound absorption and diffusion combination, the sound absorption layer is arranged in a gradual change way of the air layer through structural design, and the sound absorption medium is arranged on the surface of the stress layer and forms a gradual change space oscillation resonance space with the reflection layer;
the high-order diffusion grids are arranged on the surface of the acoustic unit, and the acoustic unit is suitable for various acoustic spaces and correctly arranges the acoustic modules by combining the acoustic absorption and diffusion structures.
By combining all the technical schemes, the invention has the advantages and positive effects that:
the invention adopts the solid wood decorative plate with lower resonance characteristic as the substrate, utilizes the structural design of the substrate to form the gradual change space, and installs the sound absorption medium on the reflecting layer and the sound absorption layer of the gradual change space. The invention is suitable for various sound absorption spaces by integrating the sound absorption and diffusion structures, the sound absorption modules are correctly arranged, the transmission tendency of space sound waves can be effectively avoided, the high-frequency loss and the phase interference of the sound waves are reduced, the bandwidth of medium and low frequency sound absorption frequency bands is enhanced, and the sound absorption efficiency is improved. The invention effectively improves the sound absorption characteristic of indoor medium and low frequency, compensates and promotes high frequency energy, and the sound field is more natural and real. Meanwhile, the air layers of the left back cavity and the right back cavity have depth drop, the drop size is 250 mm, a gradual change air oscillation resonance model is realized, and the main body is made of a solid wood decorative plate with low resonance characteristic; the solid wood decorative board is supported and stressed by the multilayer board, and the surface of the internal structure is adhered with the glass fiber cotton of the sound absorption medium.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
Fig. 1 is a schematic view of a sound absorption triangular structure provided by an embodiment of the present invention.
Fig. 2 is a schematic view of an internal structure of a sound absorption triangular structure provided by an embodiment of the present invention.
Fig. 3 is a schematic view illustrating an operation simulation of a sound absorption triangular structure provided by an embodiment of the present invention.
In the figure: 1. a structural solid wood back panel; 2. a diffusion grid; 3. a cloth decoration layer; 4. glass fiber cotton; 5. a multilayer board; 6. a structural frame body; 7. solid wood decorative board.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In view of the problems in the prior art, the present invention provides a sound absorption triangle structure and a method for using the same, and the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, the sound absorption triangular structure provided by the embodiment of the present invention is provided with a structural frame body 6, and a structural solid wood back plate 1 is installed on the upper side of the structural frame body 6; the surface side of the structural frame body 6 is provided with a cloth decorative layer 3, and the inside of the cloth decorative layer 3 is filled with glass fiber cotton 4. The surface side of the structural frame body 6 is provided with a diffusion grid plate 2, and the diffusion grid plate 2 is a one-dimensional quadratic residue diffusion grid or a high-order diffusion grid. The structural frame body 6 is provided with a solid wood decorating plate 7, and the solid wood decorating plate 7 is arranged on the inner side of the diffusion grid plate 2. The solid wood decorative plate 7 is obliquely assembled with the multilayer plate 5, and the glass fiber plate is assembled in the middle of the multilayer plate 5.
Wherein, the length, width and height of the sound absorption triangular structure are 1200, 300 and 1200 mm; the weight is as follows: 38 kg.
The working principle of the invention is as follows: the composite sound absorption unit is mainly formed by combining sound absorption and diffusion, the sound absorption layer is arranged in a gradual change mode through an air layer in structural design, a sound absorption medium is arranged on the surface of a stress layer and forms a gradual change space oscillation resonance space with a reflection layer, and meanwhile, high-order diffusion is arranged on the surface of the acoustic unit to avoid high-frequency energy loss. The sound absorption structure is combined with the diffusion structure, so that the sound absorption structure is suitable for various sound absorption spaces, sound absorption modules are correctly arranged, the transmission tendency of space sound waves can be effectively avoided, and the high-frequency loss and phase interference of the sound waves are reduced.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a sound absorption triangular structure which characterized in that, sound absorption triangular structure is provided with:
a structural frame body;
the surface side of the structural frame body is provided with a cloth decorative layer, and glass fiber cotton is filled in the cloth decorative layer;
the surface side of the structural frame body is provided with a diffusion grid plate, and the structural frame body is provided with a solid wood decorative plate;
the solid wood decorative board is obliquely assembled with a multilayer board, and the middle of the multilayer board is assembled with a glass fiber board.
2. The acoustical delta structure of claim 1, wherein the acoustical delta structure is 1200 x 300 x 1200mm long by width; the weight is as follows: 38 kg.
3. The sound absorbing triangular structure of claim 1, wherein the diffuser grid is a one-dimensional quadratic residue diffuser grid or a higher order diffuser grid.
4. The sound absorbing triangular structure of claim 1, wherein a structural solid wood back plate is installed at an upper side of the structural frame body.
5. The sound absorbing triangular structure of claim 1, wherein the solid wood trim panel is inboard of the diffusion grid.
6. A method for using the sound absorption triangular structure of the sound absorption triangular structure according to any one of claims 1-5, wherein the method for using the sound absorption triangular structure comprises the following steps:
the composite sound absorption unit is mainly formed by sound absorption and diffusion combination, the sound absorption layer is arranged in a gradual change way of the air layer through structural design, and the sound absorption medium is arranged on the surface of the stress layer and forms a gradual change space oscillation resonance space with the reflection layer;
the high-order diffusion grids are arranged on the surface of the acoustic unit, and the acoustic unit is suitable for various acoustic spaces and correctly arranges the acoustic modules by combining the acoustic absorption and diffusion structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110037643.3A CN112780001A (en) | 2021-01-12 | 2021-01-12 | Sound absorption triangular structure and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110037643.3A CN112780001A (en) | 2021-01-12 | 2021-01-12 | Sound absorption triangular structure and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112780001A true CN112780001A (en) | 2021-05-11 |
Family
ID=75755377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110037643.3A Pending CN112780001A (en) | 2021-01-12 | 2021-01-12 | Sound absorption triangular structure and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112780001A (en) |
-
2021
- 2021-01-12 CN CN202110037643.3A patent/CN112780001A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108346421B (en) | Honeycomb interlayer sound absorption structure with built-in microperforated panel | |
| CN200990204Y (en) | Hornform cavity underwater sound absorption board | |
| CN212694826U (en) | Additional eccentric acoustic black hole vibration reduction structure | |
| CN208164418U (en) | A kind of honeycomb interlayer sound absorption structure of built-in son back chamber | |
| CN109741726A (en) | A kind of super surface apparatus of collaboration coupled double-layer sheet-type acoustics | |
| CN2911069Y (en) | Honeycomb-rib type sound gobo | |
| CN112780001A (en) | Sound absorption triangular structure and using method thereof | |
| CN214884540U (en) | Sound absorption triangular structure | |
| CN110459393A (en) | A kind of sound absorption composite members and a kind of transformer | |
| CN111696505B (en) | Deep sub-wavelength superstructure of sound absorption under annular fluting low frequency | |
| CN205487329U (en) | Pad pasting of making an uproar falls | |
| CN207019366U (en) | A kind of denoising device | |
| CN207512950U (en) | Three-dimensional alliteration impedance micropunch period ultrabroad band flush sound absorption structure | |
| CN205961428U (en) | Two monomer speaker modules and electronic equipment | |
| CN212896888U (en) | Ultra-low frequency resonance sound absorption structure | |
| CN209723475U (en) | A kind of alluminium decorating plate of absorbing sound and lowering noise | |
| CN216380061U (en) | Sound low frequency trap | |
| CN215483719U (en) | Sound diffuse reflection module device | |
| CN112687253A (en) | Light sound insulation structure based on triple-period extremely-small curved surface and preparation method thereof | |
| CN202689603U (en) | Indoor recording studio | |
| CN201229772Y (en) | Sound effect board for thin film resonance | |
| CN215170038U (en) | Highway tunnel segment that possesses sound absorption function | |
| CN219365005U (en) | Sound-absorbing wedge for anechoic chamber | |
| CN112780000A (en) | Sound low frequency trap | |
| CN215166735U (en) | Sound insulation board for building construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |