CN215670210U - Novel composite structure sound absorption and insulation barrier - Google Patents
Novel composite structure sound absorption and insulation barrier Download PDFInfo
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- CN215670210U CN215670210U CN202121893085.2U CN202121893085U CN215670210U CN 215670210 U CN215670210 U CN 215670210U CN 202121893085 U CN202121893085 U CN 202121893085U CN 215670210 U CN215670210 U CN 215670210U
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Abstract
The utility model discloses a novel sound absorption and insulation barrier with a combined structure, which adopts an integrated arrangement mode of the combined structure and sequentially comprises three parts from inside to outside: the high-frequency noise absorption layer, the medium and low frequency noise treatment layer and the high-frequency noise absorption and sound insulation layer. The high-frequency noise absorption layer is sequentially provided with a punched aluminum plate, a waterproof non-woven fabric film, a thick polyester fiber sound absorption plate, a rock wool sound absorption layer and kraft paper; the middle and low frequency noise processing layer is sequentially provided with a front noise elimination cavity, a pinhole type middle and low frequency noise elimination aluminum plate and a rear noise elimination cavity; the high-frequency noise sound absorption and insulation layer is sequentially a thick polyester fiber sound absorption plate, a rock wool sound absorption layer, a double-layer cement pressure plate, anti-crack mortar and exterior wall real stone paint. The utility model can realize the double functions of sound absorption and sound insulation, and has the outstanding functional characteristics that: the sound absorption and insulation material and the structural design aiming at low-frequency, medium-frequency and high-frequency noises are provided, the noise is reduced to the maximum extent, and the sound absorption and insulation material can particularly meet the requirement of a building on high sound quality at leisure workplaces.
Description
Technical Field
The utility model relates to the technical field of engineering noise reduction, in particular to a novel sound absorption and insulation barrier with a combined structure.
Background
Along with the improvement of people's standard of living, the enhancement of sound environmental protection consciousness to and the wide use of various equipment, people's normal work demand is influenced greatly to produced noise, inhales the sound insulation barrier and takes place in the future under actual demand, can effectually carry out sound absorption and sound insulation dual processing to the noise.
The existing silencing plate mainly has the following problems and defects:
(1) the traditional sound absorption board adopts mineral fibers as sound absorption materials, has the defects of easy scattering to form inhalable particles, limited service life, poor adaptability, difficult cleaning and the like, has great pollution to the environment after being discarded, so the applicable working range is very narrow, and most working environments cannot be met.
(2) The traditional sound absorption and insulation mode is single, the sound absorption material mainly treats high-frequency noise, the treatment effect on medium-low frequency noise is poor, and the situation that low-frequency noise and medium-high frequency noise exist simultaneously is greatly limited.
(3) Traditional anechoic board because practical needs often do not design the consideration of acoustics noise elimination anti-noise, and it is great to take up an area of the space, and makes more difficult, and its mould proof is dampproofing, waterproof performance, shock resistance and intensity are relatively poor, makes its performance receive very big influence.
SUMMERY OF THE UTILITY MODEL
The utility model designs and develops a novel combined structure sound absorption and insulation barrier, which takes a punched aluminum plate, a waterproof non-woven fabric film, a first sound absorption material layer, a rock wool sound absorption material layer and kraft paper as high-frequency noise sound absorption layers, takes two sound absorption cavities and a pinhole type sound absorption aluminum plate as middle and low frequency noise treatment layers, and takes a second sound absorption material layer, a rock wool sound absorption material layer and a silt layer as high-frequency noise sound absorption and insulation layers.
The technical scheme provided by the utility model is as follows:
a novel composite structure sound absorption and insulation barrier comprises:
the first frameworks are coaxially arranged in the wall at intervals; and
the second frameworks are coaxially arranged in the wall body at intervals and are symmetrical to the first frameworks in a one-to-one correspondence mode;
the punched aluminum plate is arranged on the inner side of the wall body;
the waterproof non-woven fabric membrane is arranged in the wall body, and one side of the waterproof non-woven fabric membrane is in contact with the punched aluminum plate;
a first sound absorbing material layer, one side of which is in contact with the other side of the waterproof nonwoven fabric membrane, and the other side of which is in contact with one side of the plurality of first skeletons;
the first rock wool sound absorption material layer is arranged among the first frameworks;
kraft paper disposed at the other side of the plurality of first skeletons;
the pinhole type silencing aluminum plate is arranged between the first frameworks and the second frameworks, and silencing cavities are respectively arranged between the pinhole type silencing aluminum plate and the first frameworks and between the pinhole type silencing aluminum plate and the second frameworks;
the second sound absorption material layer is arranged on one side close to the second framework of the pinhole type sound-damping aluminum plate;
the second rock wool sound absorption material layer is arranged among the second frameworks;
and one side of the silt layer is arranged at the other side of the second framework, and the other side of the silt layer is arranged at the inner side of the wall body.
Preferably, elastic elements are arranged between the first frameworks and the wall body and between the second frameworks and the wall body.
Preferably, the elastic member is a rubber layer.
Preferably, the silt layer comprises:
the double-layer cement pressure plate is arranged on the other side of the second framework;
a sound-insulating felt disposed between the double-layered cement pressure plates;
and the anti-cracking mortar is arranged between the double-layer cement pressure plate and the outer side of the wall body.
Preferably, the first sound-absorbing material layer and the second sound-absorbing material layer are both made of polyester fibers.
Preferably, the cement pressure plate is composed of fibers, cement, quartz sand, additives and water.
Preferably, the pinhole type sound-damping aluminum plate has a hole density of 0.5%, a hole diameter of 5mm, a plate thickness of 6mm, a perforation rate of 0.5% and a hole interval of 40 mm.
Preferably, the hole density of the punched aluminium sheet is 35%.
The utility model has the following beneficial effects:
(1) according to the novel sound absorption and insulation barrier with the combined structure, the waterproof non-woven fabric film is attached to the rear side of the punched aluminum plate in the high-frequency noise sound absorption layer, so that the waterproofness of the polyester fiber sound absorption material and the rock wool sound absorption material is enhanced, and the working adaptability of the high-frequency noise sound absorption layer in a complex environment is improved.
(2) According to the novel combined structure sound absorption and insulation barrier provided by the utility model, the pinhole type sound elimination aluminum plate is arranged between the two sound elimination cavities in the medium and low frequency noise treatment layer, and the special structure on the pinhole type sound elimination aluminum plate is specially arranged according to the frequency of noise, so that the noise reduction treatment of the medium and low frequency noise can be realized, and the improvement of the comprehensive performance of the sound absorption and insulation barrier is facilitated.
(3) According to the novel combined structure sound absorption and insulation barrier provided by the utility model, the double-layer cement pressure plate (the sound insulation felt is added between the layers) is arranged in the high-frequency noise absorption and insulation layer, the cement pressure plate and the sound insulation felt can effectively realize effective insulation of passing noise, and anti-cracking mortar is coated behind the cement pressure plate and the sound insulation felt, so that the deformation resistance strength and the sound insulation effect of the sound insulation plate are effectively enhanced.
(4) The novel sound absorption and insulation barrier with the combined structure provided by the utility model realizes the design of an integrated device with the combined structure, realizes the dual functions of sound absorption and sound insulation, can effectively treat middle and low frequency noise while reducing high frequency noise to the maximum extent, can meet the requirement of a building on leisure workplaces with high sound quality, is suitable for noise reduction in the traditional spaces of metallurgy, machinery, food processing and the like, and is also suitable for the fields of building spaces, leisure places and the like.
Drawings
Fig. 1 is a schematic cross-sectional structure view of the sound absorption and insulation barrier with the novel combined structure.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.
As shown in fig. 1, the utility model provides a novel sound absorption and insulation barrier with a combined structure, which comprises the following structures: the sound absorption and insulation wall comprises a wall body 110, an elastic element 120, a plurality of first frameworks 131, a plurality of second frameworks 132, a high-frequency noise sound absorption layer, a medium-low frequency noise treatment layer and a high-frequency noise sound absorption and insulation layer, wherein the plurality of first frameworks 131 are coaxially arranged in the wall body 110 at intervals; the second frameworks 132 are coaxially arranged in the wall 110 at intervals, and the second frameworks 132 are respectively symmetrical to the first frameworks 131 in a one-to-one correspondence manner; the first frameworks 131 and the second frameworks 132 adopt 100 × 50 national standard square tube frameworks, are used for fixing the sound absorption and insulation barrier, and have the advantages of reliability in fixation, convenience in installation, easiness in disassembly, strong durability and the like; elastic elements 120 are arranged between the first skeletons 131 and the wall 110 and between the second skeletons 132 and the wall 110; the high-frequency noise absorbing layer is disposed between the plurality of first skeletons 131 and the inner side of the wall 110, the medium-low frequency noise treating layer is disposed between the plurality of first skeletons 131 and the plurality of second skeletons 132, and the high-frequency noise absorbing and sound insulating layer is disposed between the plurality of second skeletons 132 and the inner side of the wall 110.
In this embodiment, the elastic element 120 is a high elastic rubber layer, so as to facilitate connection between the first skeletons 131, the second skeletons 132 and the wall 110, and enhance sealing performance and sound insulation between the first skeletons 131, the second skeletons 132 and the wall 110.
The high frequency noise sound absorption layer includes: a punched aluminum plate 141, a waterproof non-woven fabric film 142, a first sound absorbing material layer 143, a first rock wool sound absorbing material layer 144 and kraft paper 145, the punched aluminum plate 141 being disposed inside the wall body 110; the waterproof non-woven fabric film 142 is arranged in the wall body 110, and one side of the waterproof non-woven fabric film 142 is in contact with the punched aluminum plate 141, so that the sound absorption and insulation barrier is prevented from affecting the normal function of the sound absorption and insulation barrier when the sound absorption material meets humid weather or meets water; one side of the first sound absorption material layer 143 contacts with the other side of the waterproof non-woven fabric film 142, and the other side contacts with one side of the plurality of first frameworks 131, so that the waterproof non-woven fabric film has the advantages of heat preservation, flame retardance, environmental protection, light weight, easiness in processing, stability, impact resistance, simplicity and convenience in maintenance and the like; the first rock wool sound absorption material layer (medium volume weight) 144 is arranged among the plurality of first frameworks 131, and has the advantages of good fireproof performance, good heat insulation, remarkable sound absorption effect and the like; the kraft paper 145 is fully paved on the other side of the plurality of first frameworks 131 with glue, and has a certain sound insulation function, and meanwhile, the kraft paper 145 has a high tensile force, is generally tawny, has high tear strength and high dynamic strength, and is used for packaging the first rock wool sound absorption material layer 144.
In this embodiment, the hole density of the punched aluminum plate 141 is 35% so as to better realize the passage of noise.
The medium and low frequency noise processing layer comprises: the structure of the aluminum plate comprises a front silencing cavity 151, a pinhole type silencing aluminum plate 152 and a rear silencing cavity 153, wherein the pinhole type silencing aluminum plate 152 is arranged between the first frameworks 131 and the second frameworks 132, the front silencing cavity 151 is arranged between the pinhole type silencing aluminum plate 152 and the first frameworks 131, and the rear silencing cavity 153 is arranged between the pinhole type silencing aluminum plate 152 and the second frameworks 132.
In this embodiment, the pinhole type aluminum plate 152 has a hole density of 0.5%, a hole diameter of 5mm, a plate thickness of 6mm, a perforation rate of 0.5%, and a hole interval of 40mm, and thus, due to the special structure of the pinhole type aluminum plate 152, effective treatment of low and medium frequency noise is achieved.
The high-frequency noise sound absorption and insulation layer comprises: a second sound absorption material layer 161, a second rock wool sound absorption material layer 162 and a sediment layer, wherein the second sound absorption material layer 161 is arranged at one side close to the second framework 132 of the pinhole type sound attenuation aluminum plate 152; the second rock wool sound absorbing material layer 162 is disposed between the plurality of second skeletons 132; one side of the sediment layer is arranged at the other side of the second framework 132, and the other side is arranged at the inner side of the wall body 110.
In this embodiment, the first sound absorbing material layer 143 and the second sound absorbing material layer 161 are made of polyester fibers.
The silt layer includes: a double-layer cement pressure plate 163 and an anti-crack mortar 164, wherein the double-layer cement pressure plate 163 is arranged on the other side of the second framework 132; acoustical insulation felt is disposed between the double cement pressure plates 163; the anti-crack mortar 164 is arranged between the double-layer cement pressure plate 163 and the exterior wall real stone paint 170 on the outer side of the wall body 110, so that the structural strength and the sound insulation effect of the sound insulation plate are enhanced.
In this embodiment, the double-layer cement pressure plate 163 is made of inorganic substances such as fiber, cement, quartz sand, additives, water, etc. through mixing molding, high-temperature high-pressure steam curing and special technical treatment, and has the advantages of light weight, high strength, water resistance, corrosion resistance, fire resistance, large breadth, good processability, construction efficiency improvement, etc., and specifically, a sound insulation felt is added between the double-layer cement pressure plate 163 layers, and has good functions of springback, vibration absorption, heat preservation, sound insulation, etc.
An outer wall decorative plate can be arranged on the outer wall stone-like paint 170 and used for the attractive design of building space.
The novel sound absorption and insulation barrier with the combined structure provided by the utility model has the following specific using process:
noise among the space environment can inhale the sound insulation layer through high frequency noise sound absorption layer, well low frequency noise processing layer and high frequency noise in proper order when this inhales the sound insulation barrier, can carry out effective sound absorption and sound insulation dual processing to full frequency channel noise, has greatly attenuated the trafficability characteristic of noise, is showing and is improving sound environment quality.
According to the novel sound absorption and insulation barrier with the combined structure, the waterproof non-woven fabric film is attached to the rear side of the punched aluminum plate in the high-frequency noise sound absorption layer, so that the waterproofness of the polyester fiber sound absorption material and the rock wool sound absorption material is enhanced, and the working adaptability of the high-frequency noise sound absorption layer in a complex environment is improved; the pinhole type noise elimination aluminum plate is arranged between the front noise elimination cavity and the rear noise elimination cavity in the middle and low frequency noise treatment layer, and the special structure on the pinhole type noise elimination aluminum plate is specially arranged according to the frequency of noise, so that the noise reduction treatment on the passing middle and low frequency noise can be realized, and the comprehensive performance of the sound absorption and insulation barrier can be improved; install double-deck cement pressure plate in the sound insulation layer is inhaled to high frequency noise, and cement pressure plate and sound insulation felt can effectual realization to the effective separation through the noise, and scribble anti-crack mortar behind it, effectively strengthen the anti deformation strength and the sound insulation effect of sound insulation board, both be applicable to traditional metallurgy, machinery, fall the noise in spaces such as food processing, also be applicable to fields such as building space, playground.
While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (8)
1. The utility model provides a novel integrated configuration sound absorption and insulation barrier which characterized in that includes:
the first frameworks are coaxially arranged in the wall at intervals; and
the second frameworks are coaxially arranged in the wall body at intervals and are symmetrical to the first frameworks in a one-to-one correspondence mode;
the punched aluminum plate is arranged on the inner side of the wall body;
the waterproof non-woven fabric membrane is arranged in the wall body, and one side of the waterproof non-woven fabric membrane is in contact with the punched aluminum plate;
a first sound absorbing material layer, one side of which is in contact with the other side of the waterproof nonwoven fabric membrane, and the other side of which is in contact with one side of the plurality of first skeletons;
the first rock wool sound absorption material layer is arranged among the first frameworks;
kraft paper disposed at the other side of the plurality of first skeletons;
the pinhole type silencing aluminum plate is arranged between the first frameworks and the second frameworks, and silencing cavities are respectively arranged between the pinhole type silencing aluminum plate and the first frameworks and between the pinhole type silencing aluminum plate and the second frameworks;
the second sound absorption material layer is arranged on one side close to the second framework of the pinhole type sound-damping aluminum plate;
the second rock wool sound absorption material layer is arranged among the second frameworks;
and one side of the silt layer is arranged at the other side of the second framework, and the other side of the silt layer is arranged at the inner side of the wall body.
2. The sound-absorbing and sound-insulating barrier with a novel combined structure as claimed in claim 1, wherein elastic elements are arranged between the first frameworks and the wall body and between the second frameworks and the wall body.
3. The new composite structure sound-absorbing and insulating barrier as claimed in claim 2, wherein said elastic member is a rubber layer.
4. The new composite structure sound-absorbing and insulating barrier as claimed in claim 3, wherein said layer of silt comprises:
the double-layer cement pressure plate is arranged on the other side of the second framework;
a sound-insulating felt disposed between the double-layered cement pressure plates;
and the anti-cracking mortar is arranged between the double-layer cement pressure plate and the outer side of the wall body.
5. The sound-absorbing and sound-insulating barrier with the novel combined structure as claimed in claim 4, wherein the first sound-absorbing material layer and the second sound-absorbing material layer are both made of polyester fibers.
6. The new composite structural sound absorption and insulation barrier of claim 5 wherein said double cement pressure plate is comprised of fiber, cement, quartz sand, additives and water.
7. The new composite structure sound-and-insulation barrier as claimed in claim 6, wherein said pinhole type aluminum silencer plate has a hole density of 0.5%, a hole diameter of 5mm, a plate thickness of 6mm, a perforation rate of 0.5%, and a hole interval of 40 mm.
8. The new composite structural sound absorbent and insulation barrier of claim 7 wherein said punched aluminum sheet has a hole density of 35%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202121893085.2U CN215670210U (en) | 2021-08-13 | 2021-08-13 | Novel composite structure sound absorption and insulation barrier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121893085.2U CN215670210U (en) | 2021-08-13 | 2021-08-13 | Novel composite structure sound absorption and insulation barrier |
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| CN215670210U true CN215670210U (en) | 2022-01-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114329852A (en) * | 2022-03-15 | 2022-04-12 | 中国铁路设计集团有限公司 | Design method of cement-based sound absorption metal sound barrier unit plate |
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2021
- 2021-08-13 CN CN202121893085.2U patent/CN215670210U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114329852A (en) * | 2022-03-15 | 2022-04-12 | 中国铁路设计集团有限公司 | Design method of cement-based sound absorption metal sound barrier unit plate |
| CN114329852B (en) * | 2022-03-15 | 2022-07-15 | 中国铁路设计集团有限公司 | Design method of cement-based sound absorption metal sound barrier unit plate |
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