CN114086688A - Theater noise protection system - Google Patents
Theater noise protection system Download PDFInfo
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- CN114086688A CN114086688A CN202111372505.7A CN202111372505A CN114086688A CN 114086688 A CN114086688 A CN 114086688A CN 202111372505 A CN202111372505 A CN 202111372505A CN 114086688 A CN114086688 A CN 114086688A
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- protection system
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 34
- 230000030279 gene silencing Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 11
- 239000006185 dispersion Substances 0.000 description 4
- 208000028659 discharge Diseases 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- 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
- E04B1/86—Sound-absorbing elements slab-shaped
-
- 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
- E04B1/99—Room acoustics, i.e. forms of, or arrangements in, rooms for influencing or directing sound
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model relates to a theater noise protection system relates to noise protection's technical field, and it includes the wallboard, the installation cavity has been seted up to the inside of wallboard, the surface of wallboard seted up a plurality of respectively with the sound hole of advancing that the installation cavity is linked together, be provided with the sound piece of inhaling of sponge material in the installation cavity, it is provided with the amortization mechanism that is used for absorbing the noise in the sound piece to inhale. The noise is absorbed by the sound absorption block, and then is further absorbed by the silencing mechanism, so that the risk of noise occurrence in a theater is reduced, and the audio-visual feeling of audiences is improved.
Description
Technical Field
The present application relates to the field of noise protection, and more particularly, to a theater noise protection system.
Background
From a physiological point of view, all sounds that disturb people's rest, study and work are collectively called noise, and the noise generally appears in places such as outdoors, theaters, shopping malls and cinemas.
Theaters of the related art typically install wall panels on the wall surface to improve the aesthetic appearance of the wall surface. However, when sound is transmitted to the wall panel, the sound is reflected, thereby forming theater noise, which affects audience audiovisual experience, and thus, the improvement is needed.
Disclosure of Invention
In order to reduce the risk of theatre noise, the application provides a theatre noise protection system.
The application provides a theater noise protection system adopts following technical scheme:
the utility model provides a theater noise protection system, includes the wallboard, the installation cavity has been seted up to the inside of wallboard, the surface of wallboard seted up a plurality of respectively with the sound inlet hole that the installation cavity is linked together, be provided with the sound piece of inhaling of sponge material in the installation cavity, be provided with the amortization mechanism who is used for absorbing the noise in the sound piece of inhaling.
Through adopting above-mentioned technical scheme, when sound propagation to wallboard, most sound enters into the installation intracavity through advancing the sound hole. At this time, the sound absorbing block absorbs sound, and the silencing mechanism absorbs sound again. The design can reduce the risk of sound reflection and the risk of sound continuous propagation, thereby effectively reducing the risk of noise occurrence in theaters and further improving the audiovisual experience of audiences.
Optionally, a plurality of elastic valves are fixed on the inner wall of each sound inlet hole, and the plurality of valves can jointly seal the corresponding sound inlet holes.
Through adopting above-mentioned technical scheme, when sound transmission to wallboard, the energy impact valve that sound carried and make the valve take place the deformation to make and inhale the sound hole and be in the open mode. Subsequently, sound enters the installation cavity through the sound inlet hole, and then the valve is reset under the action of self elasticity, so that the sound inlet hole is closed again. This design can reduce the sound in the safety chamber from the risk of advancing the sound hole discharge to improve and carry out absorptive effect to sound, further reduce the risk that the noise appears in the theater.
Optionally, the valve is arch-shaped with the arch facing the sound-absorbing block.
Through adopting above-mentioned technical scheme for the valve can control into the sound hole and open unidirectionally, further reduces the sound of installation intracavity and from advancing the risk of discharge in the sound hole, is showing the sound absorbing effect who promotes the theater.
Optionally, inhale the inside of sound piece and evenly seted up a plurality of chambeies that hold along its thickness direction, it is close to hold the chamber the inner wall of advancing sound hole one side is run through respectively has a plurality of sound holes of inhaling, amortization mechanism includes a plurality of settings in every hold the intracavity inhale sound piece and a plurality of settings in every hold the reflector plate of intracavity, inhale the sound piece with the reflector plate adopts the sponge to make respectively, a plurality of inhale the one end of sound piece respectively with corresponding the inner wall that holds the chamber is fixed, just it can the closing cap be corresponding to inhale the sound hole, the reflector plate is slope form setting, and is a plurality of inhale sound piece and corresponding a plurality of reflector plate interval distribution.
Through adopting above-mentioned technical scheme, when the sound of installation intracavity enters into first holding the intracavity through a plurality of sound holes of inhaling, the sound piece is inhaled in the energy impact that sound carried to make and inhale the sound hole and open. When sound enters the first accommodating cavity, the sound absorbing sheet resets under the action of self elasticity, and the corresponding sound absorbing hole is covered, so that the risk of sound discharging through the sound absorbing hole is reduced. Subsequently, the reflector plate changes the propagation direction of the sound, so that the sound is reflected for multiple times in the installation cavity, and the sound absorption block can absorb the sound quickly and fully. Then, a part of sound enters the second accommodating cavity through the sound inlet holes, and then the sound is absorbed again, so that the plurality of accommodating cavities weaken and absorb the sound step by step, and the sound is fully absorbed. Meanwhile, in the sound transmission process, the sound absorption sheet and the reflection sheet swing under the impact of sound so as to realize the force unloading of the energy in the sound, thereby reducing the risk of sound continuous propagation and further improving the sound absorption effect. Meanwhile, in the swinging process of the sound absorption sheet and the reflection sheet, sound can be reflected towards all directions, so that the sound is dispersed, and the sound absorption block can fully absorb the sound.
Optionally, the inclination directions of two adjacent reflection sheets are opposite.
By adopting the technical scheme, the rapid sound dispersion and the multidirectional sound dispersion are realized, and the sound absorption block is favorable for fully absorbing the sound. Simultaneously, the incline direction of reflector plate is different, and the wobbling in-process of a plurality of reflector plates can also reduce the reflector plate and appear resonant risk to improve stability in use.
Optionally, the sound absorbing hole is arranged in a curved shape.
Through adopting above-mentioned technical scheme, increase the area of inhaling the sound hole inner wall to increase the noise and inhale the contact chance and the contact time of sound hole inner wall, realize the abundant absorption to the noise, and then improve the sound absorption effect of wallboard.
Optionally, inhale the sound piece and keep away from advance the inside of sound hole one side and seted up the chamber of stepping down, step down the chamber with corresponding it communicates through a plurality of dashpots to hold the chamber, the inner wall of installation chamber is fixed with a plurality of installation axles, and is a plurality of the installation axle passes respectively inhale the sound piece, it is equipped with a plurality of difference to rotate the cover on the installation axle and is located step down the support ring of intracavity, the outer wall of support ring is fixed with the buffer substrate of a plurality of sponge materials.
Through adopting above-mentioned technical scheme, when the noise of last holding intracavity entered into the intracavity of stepping down through the cushion hole, the corresponding buffer chip of energy impact that the noise produced. Subsequently, the buffer sheet drives the corresponding support ring to rotate, so that the internal energy of the noise is unloaded, and the risk of sound continuous propagation is reduced. This design can realize absorbing fast, the stability of noise, improves the sound absorbing effect of wallboard to reduce the risk that the noise appears in the theater.
Optionally, a plurality of reflection blocks are fixed on the inner wall of the abdicating cavity.
Through adopting above-mentioned technical scheme, through setting up the reflection piece, realize reflection and the dispersion to the noise to make the sound absorption piece can absorb the noise fast, and then improve the work efficiency when absorbing the processing to the noise.
Optionally, a plurality of honeycomb grooves are uniformly distributed on the inner wall of the mounting cavity.
Through adopting above-mentioned technical scheme, realize quick, abundant absorption to the installation intracavity noise, can improve the efficiency when carrying out the absorption treatment to the noise, can improve again and inhale the sound effect.
Optionally, the surface of the wall panel is provided with a sound absorbing coating.
Through adopting above-mentioned technical scheme, improve the absorption effect to the noise to reduce the risk that the sound reflection appears, further improve the sound absorbing effect of wallboard.
In summary, the present application includes at least one of the following beneficial technical effects:
the noise is absorbed by the sound absorption block and further absorbed by the silencing mechanism, so that the risk of noise occurrence in a theater is reduced, and the audio-visual experience of audiences is improved;
the valve capable of sealing the sound inlet hole is arranged, so that the risk that the sound in the safety cavity is discharged from the sound inlet hole is reduced, the effect of absorbing the sound is improved, and the risk of noise occurrence in a theater is further reduced;
through setting up the ingenious amortization mechanism of structure, realize weakening step by step and absorbing sound to the realization is to the abundant absorption of sound, reduces the risk that the noise appears in the theater.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a partial sectional view of an embodiment of the present application.
Fig. 3 is an enlarged schematic view of region a in fig. 2.
Fig. 4 is an enlarged schematic view of the region B in fig. 2.
Description of reference numerals: 1. a wallboard; 2. a mounting cavity; 3. a sound inlet hole; 4. a sound absorbing block; 5. a honeycomb groove; 6. a valve; 7. an accommodating chamber; 8. a sound absorption hole; 9. a silencing mechanism; 91. a sound absorbing sheet; 92. a reflective sheet; 10. a yielding cavity; 11. a buffer hole; 12. installing a shaft; 13. a support ring; 14. a buffer sheet; 15. and a reflection block.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses theater noise protection system. Referring to fig. 1, the theater noise protection system includes a wall panel 1, and a surface of the wall panel 1 is formed with a plurality of grooves and protrusions to achieve sound absorption. Meanwhile, the surface of the wall panel 1 is coated with a sound-absorbing coating, and the sound-absorbing coating is formed after cooling to further absorb sound.
Referring to fig. 2 and 3, an installation cavity 2 is opened inside the wall plate 1, a plurality of sound inlet holes 3 are uniformly opened on the surface of the wall plate 1, and the sound inlet holes 3 are communicated with the installation cavity 2, so that noise can enter the installation cavity 2 through the sound inlet holes 3. The installation cavity 2 is filled with sound absorption block 4 made of sponge material to realize the absorption of noise in the installation cavity 2. A plurality of honeycomb grooves 5 have evenly been seted up to the inner wall of installation cavity 2 to the realization is to the further absorption of noise in installation cavity 2.
Referring to fig. 2 and 3, a plurality of latex valves 6 are fixedly connected to an inner wall of each sound inlet hole 3, and the plurality of latex valves 6 can jointly seal the corresponding sound inlet holes 3. After the noise enters the installation cavity 2 through the sound inlet hole 3, the valve 6 is reset and closes the sound inlet hole 3 under the action of the self elasticity, so that the risk of discharging the noise through the sound inlet hole 3 is reduced. Meanwhile, the valve 6 is in an arch shape, and the arch surface of the valve 6 faces the sound absorption block 4, so that the unidirectional opening capability of the sound inlet hole 3 is realized, and the risk that the noise in the installation cavity 2 is discharged through the sound inlet hole 3 is further reduced.
When sound in a theater propagates to the wall panel 1, a part of the noise is absorbed by the sound absorbing coating, a part of the noise is absorbed by the wall panel 1, and a part of the noise impacts the valve 6 and causes the sound inlet hole 3 to open. Subsequently, the noise enters the installation cavity 2 through the sound inlet hole 3, and then the valve 6 is reset under the self-elastic force and seals the sound inlet hole 3. At this time, the sound-absorbing block 4 absorbs noise to reduce the risk of occurrence of noise in a theater.
Referring to fig. 2 and 3, the inside of sound absorbing block 4 has evenly seted up a plurality of chambeies 7 that hold along its thickness direction, and a plurality of inner walls that hold chamber 7 and be close to one side of sound inlet 3 have run through respectively and have a plurality of sound absorbing holes 8 to make adjacent two hold chamber 7 and be linked together, and first hold chamber 7 and installation cavity 2 intercommunication.
Referring to fig. 2 and 3, the sound absorption hole 8 is formed in a curved shape to increase the contact chance and contact time of noise with the inner wall of the sound absorption hole 8, thereby improving the noise absorption effect. Meanwhile, a silencing mechanism 9 for absorbing noise is arranged in each accommodating cavity 7 so as to fully absorb the noise.
Referring to fig. 2 and 3, the silencing mechanism 9 includes a plurality of sound absorbing pieces 91 disposed in each accommodating cavity 7, the sound absorbing pieces 91 are made of sponge material, and one end of each sound absorbing piece 91 is bonded and fixed to the inner wall of the corresponding accommodating cavity 7. Meanwhile, the sound absorbing sheet 91 can cover the corresponding sound absorbing hole 8 after naturally drooping, so that the risk of discharging noise in the accommodating cavity 7 through the sound absorbing hole 8 is reduced.
Referring to fig. 2 and 3, a plurality of sponge-made reflection sheets 92 are fixedly bonded to the inner wall of each accommodating cavity 7, the reflection sheets 92 are arranged in an inclined manner, and a plurality of sound absorbing sheets 91 and a plurality of corresponding reflection sheets 92 are distributed at intervals, so that when noise enters the accommodating cavity 7 through the sound absorbing holes 8, the reflection sheets 92 can reflect the noise. Meanwhile, the inclination directions of the adjacent two reflection sheets 92 are opposite to each other, so that dispersion of noise is achieved.
When noise enters the installation cavity 2, a part of the noise impacts the corresponding sound-absorbing sheet 91 and causes the sound-absorbing holes 8 to be opened, and then the noise enters the first accommodating cavity 7 through the plurality of sound-absorbing holes 8. Subsequently, the sound-absorbing sheet 91 is restored by its own elastic force and covers the corresponding sound-absorbing hole 8 to reduce the risk of sound being discharged through the sound-absorbing hole 8.
Subsequently, the reflecting sheet 92 changes the propagation direction of the sound, so that the noise is reflected in the installation cavity 2 multiple times, so that the sound absorption block 4 can absorb the noise quickly and sufficiently. Meanwhile, the sound-absorbing sheet 91 and the reflection sheet 92 are swung by the impact of sound to achieve the removal of the internal energy of noise.
When the sound absorbing sheet 91 and the reflecting sheet 92 swing, the sound can be reflected in all directions, so that the sound can be dispersed, and the sound absorbing block 4 can absorb the noise more effectively. Therefore, the noise enters the plurality of accommodating cavities 7 in sequence to weaken and absorb the noise step by step, and the noise is fully absorbed.
Referring to fig. 3 and 4, the sound absorption block 4 is provided with a yielding cavity 10 in the side far away from the sound inlet hole 3, the yielding cavity 10 is communicated with the last accommodating cavity 7 through a plurality of buffer holes 11, so that noise in the last accommodating cavity 7 can enter the yielding cavity 10 through the buffer holes 11.
Referring to fig. 3 and 4, a plurality of mounting shafts 12 are vertically fixed on the inner wall of the mounting cavity 2, the mounting shafts 12 respectively penetrate through the sound absorption block 4, and the middle position of the mounting shafts 12 is located in the abdicating cavity 10. Meanwhile, the mounting shaft 12 is rotatably sleeved with a plurality of support rings 13, and the support rings 13 are respectively located in the yielding cavity 10. The outer wall of each support ring 13 is fixedly bonded with a plurality of buffer sheets 14 made of sponge materials, and the inner wall of the abdicating cavity 10 is integrally formed with a plurality of reflection blocks 15.
When the noise in the last accommodation chamber 7 enters the abdicating chamber 10 through the buffer hole 11, the energy generated by the noise impacts the corresponding buffer sheet 14. Subsequently, the buffer sheet 14 drives the corresponding support ring 13 to rotate, so as to further discharge the internal energy of the noise, so as to reduce the risk of continuous sound propagation, and thus, realize the rapid and stable absorption of the noise.
The implementation principle of the theater noise protection system in the embodiment of the application is as follows: when sound in a theater propagates to the wall panel 1, a part of the noise is absorbed by the sound-absorbing coating, a part of the noise is absorbed by the wall panel 1, and a part of the noise enters the installation cavity 2. At this time, the sound-absorbing block 4 absorbs the noise, and the silencing mechanism 9 absorbs the noise again to reduce the risk of occurrence of the noise in the theater, thereby improving the viewing experience of the audience.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A theater noise protection system comprising a wall panel (1), characterized in that: the wallboard is characterized in that the mounting cavity (2) is formed in the wallboard (1), a plurality of sound inlet holes (3) communicated with the mounting cavity (2) are formed in the surface of the wallboard (1), a sound absorption block (4) made of sponge is arranged in the mounting cavity (2), and a noise reduction mechanism (9) used for absorbing noise is arranged in the sound absorption block (4).
2. A theater noise protection system according to claim 1, wherein: a plurality of elastic valves (6) are fixed on the inner wall of each sound inlet hole (3), and the valves (6) can jointly seal the corresponding sound inlet holes (3).
3. A theater noise protection system according to claim 2, wherein: the valve (6) is in an arch shape, and the arch surface faces the sound absorption block (4).
4. A theater noise protection system according to claim 1, wherein: a plurality of accommodating cavities (7) are uniformly arranged in the sound absorption block (4) along the thickness direction, a plurality of sound absorbing holes (8) are respectively penetrated through the inner wall of the accommodating cavity (7) close to one side of the sound inlet hole (3), the silencing mechanism (9) comprises a plurality of sound absorbing sheets (91) arranged in each accommodating cavity (7) and a plurality of reflecting sheets (92) arranged in each accommodating cavity (7), the sound absorption sheets (91) and the reflection sheets (92) are respectively made of sponge, one end of each sound absorption sheet (91) is fixed with the inner wall of the corresponding accommodating cavity (7), the sound absorption sheet (91) can cover the corresponding sound absorption hole (8), the reflection sheet (92) is arranged in an inclined shape, and the plurality of sound absorbing sheets (91) and the plurality of corresponding reflecting sheets (92) are distributed at intervals.
5. A theater noise protection system according to claim 4, characterized by: the inclination directions of two adjacent reflection sheets (92) are opposite.
6. A theater noise protection system according to claim 4, characterized by: the sound absorption holes (8) are arranged in a bending shape.
7. A theater noise protection system according to claim 4, characterized by: inhale sound piece (4) and keep away from advance the inside of sound hole (3) one side and seted up and let a chamber (10), let a chamber (10) and corresponding hold chamber (7) through a plurality of buffer holes (11) intercommunication, the inner wall of installation chamber (2) is fixed with a plurality of installation axles (12), and is a plurality of installation axle (12) passes respectively inhale sound piece (4), it is equipped with a plurality of support rings (13) that are located respectively to rotate the cover on installation axle (12), the outer wall of support ring (13) is fixed with buffer plate (14) of a plurality of sponge materials.
8. A theater noise protection system according to claim 7, wherein: a plurality of reflecting blocks (15) are fixed on the inner wall of the abdicating cavity (10).
9. A theater noise protection system according to claim 1, wherein: a plurality of honeycomb grooves (5) are uniformly distributed on the inner wall of the mounting cavity (2).
10. A theater noise protection system according to claim 1, wherein: the surface of the wallboard (1) is provided with a sound absorption coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111372505.7A CN114086688B (en) | 2021-11-18 | 2021-11-18 | Theater noise protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111372505.7A CN114086688B (en) | 2021-11-18 | 2021-11-18 | Theater noise protection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114086688A true CN114086688A (en) | 2022-02-25 |
| CN114086688B CN114086688B (en) | 2023-01-06 |
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ID=80302179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111372505.7A Active CN114086688B (en) | 2021-11-18 | 2021-11-18 | Theater noise protection system |
Country Status (1)
| Country | Link |
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| CN (1) | CN114086688B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075415A (en) * | 2022-07-20 | 2022-09-20 | 北京金碧合力建筑设计工程有限公司 | Noise reduction processing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001065077A (en) * | 1999-08-30 | 2001-03-13 | Noriaki Tanimizu | Sound absorbing panel |
| CN207130952U (en) * | 2017-07-13 | 2018-03-23 | 长荣新材料技术有限公司 | A kind of environment-friendly type noise reduction wallboard |
| CN207829192U (en) * | 2018-01-24 | 2018-09-07 | 深圳市旭生骏鹏建筑工程有限公司 | A kind of sound-absorbing wallboard and its mounting structure |
| CN209244012U (en) * | 2018-11-22 | 2019-08-13 | 深圳市康利达再生资源有限公司 | Porous acoustic brick |
| CN212104692U (en) * | 2019-12-31 | 2020-12-08 | 浙江大丰建筑装饰工程有限公司 | Sound-proof theater wall |
| CN212295768U (en) * | 2020-03-20 | 2021-01-05 | 拖瓦肆娱乐互动(天津)科技有限公司 | Independent sound insulation room |
-
2021
- 2021-11-18 CN CN202111372505.7A patent/CN114086688B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001065077A (en) * | 1999-08-30 | 2001-03-13 | Noriaki Tanimizu | Sound absorbing panel |
| CN207130952U (en) * | 2017-07-13 | 2018-03-23 | 长荣新材料技术有限公司 | A kind of environment-friendly type noise reduction wallboard |
| CN207829192U (en) * | 2018-01-24 | 2018-09-07 | 深圳市旭生骏鹏建筑工程有限公司 | A kind of sound-absorbing wallboard and its mounting structure |
| CN209244012U (en) * | 2018-11-22 | 2019-08-13 | 深圳市康利达再生资源有限公司 | Porous acoustic brick |
| CN212104692U (en) * | 2019-12-31 | 2020-12-08 | 浙江大丰建筑装饰工程有限公司 | Sound-proof theater wall |
| CN212295768U (en) * | 2020-03-20 | 2021-01-05 | 拖瓦肆娱乐互动(天津)科技有限公司 | Independent sound insulation room |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075415A (en) * | 2022-07-20 | 2022-09-20 | 北京金碧合力建筑设计工程有限公司 | Noise reduction processing device |
| CN115075415B (en) * | 2022-07-20 | 2024-01-26 | 北京金碧合力建筑设计工程有限公司 | Noise reduction processing device |
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| Publication number | Publication date |
|---|---|
| CN114086688B (en) | 2023-01-06 |
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