CN217008640U - Acoustic edge covering structure for noise reduction engineering - Google Patents
Acoustic edge covering structure for noise reduction engineering Download PDFInfo
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- CN217008640U CN217008640U CN202220351401.1U CN202220351401U CN217008640U CN 217008640 U CN217008640 U CN 217008640U CN 202220351401 U CN202220351401 U CN 202220351401U CN 217008640 U CN217008640 U CN 217008640U
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Abstract
The utility model discloses an acoustic edge covering structure for noise reduction engineering, which comprises two adjacent noise reduction modules and a connecting part thereof, wherein the connecting part comprises a sound insulation structure and a damping structure which are tightly attached to each other, and the damping structure is attached to the surfaces of the noise reduction modules.
Description
Technical Field
The utility model belongs to the technical field of noise reduction design, and particularly relates to an acoustic edge covering structure for noise reduction engineering.
Background
With the development of the technical level, the requirements of people on the quality of life are higher and higher, the requirements on the quality of the living sound environment are higher and higher, and the noise control of industries and enterprises is also more and more emphasized. The noise control of industry and enterprises is gradually generalized and normalized.
The installation of modularization noise reduction module is used widely, and these noise reduction modules reduce the acoustic performance of noise reduction module in the in-service use at the crack of concatenation, lapped crack department, corner, the structure of turning etc. referring to fig. 1, three kinds of different junctions among the prior art, (a) are the corner of two noise reduction modules, (b) are the butt joint department of two noise reduction modules, (c) are the overlap joint department of two noise reduction modules.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides an acoustic edge covering structure for noise reduction engineering, which aims to solve the noise leakage phenomenon and consider the attractive appearance. Has certain significance for noise control.
In order to achieve the purpose, the utility model adopts the technical scheme that: an acoustics edge covering structure for noise reduction engineering comprises two adjacent noise reduction modules and a connecting part of the noise reduction modules, wherein the connecting part comprises a sound insulation structure and a damping structure which are attached to each other, and the damping structure is attached to the surfaces of the noise reduction modules.
The damping structure adopts damping felt or rubber.
And a sound absorption structure is arranged between the damping structure and the noise reduction module, and the sound absorption structure is tightly attached to the damping structure and the noise reduction module.
The sound absorption structure is consistent with the shape of the joint of the adjacent noise reduction modules, and when the adjacent noise reduction modules are butted, the sound absorption structure is straight; when the joint of the adjacent noise reduction modules is lap joint or the joint of the adjacent noise reduction modules is a corner, one part of the sound absorption structure is embedded into the corner, and the other part of the sound absorption structure covers the corner structure; the damping structure and the sound insulation structure are sequentially wrapped outside the sound absorption structure.
The sound absorption structure adopts sound absorption cotton or polyurethane foam.
The sound insulation structure adopts a galvanized steel plate or a color steel plate.
The connecting part is fixed at the connecting part of the noise reduction module in a bolt, gun nail or pressing strip mode.
The thickness gradually decreases near the edges.
Compared with the prior art, the utility model has at least the following beneficial effects: the utility model provides an acoustics structure of borduring that is suitable for engineering installation of making an uproar falls, its structure has good noise reduction effect, can reduce the sound as far as through the module concatenation of making an uproar that falls gap department, lapped gap department, corner, the sound leakage phenomenon of turning, improves acoustics barrier propterty, and it is convenient to install, for traditional system, it has the efficiency of making an uproar that falls better, installs advantages such as convenient, economic performance is good.
Drawings
Fig. 1 is a conventional noise module mounting structure.
Fig. 2 is a schematic structural diagram of a noise reduction edge covering implementation form of the utility model.
Fig. 3 is a schematic structural diagram of a noise reduction wrapping realization form two in the utility model.
In the drawings, 1-a noise reduction module; 2-a connecting part, 3-a sound-insulating structure; 4-damping structure, 5-sound absorbing structure
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The noise reduction module is easy to generate noise leakage at the joint gap, the lap joint gap, the corner and the like due to the influence of factors such as processing technology, mounting technology, worker operation level and the like.
As shown in fig. 1, the novel wall noise reduction mounting structure comprises two adjacent noise reduction modules 1 and a connecting part 2 thereof, wherein the connecting part 2 comprises a sound insulation structure 3 and a damping structure 4 which are closely attached to each other, and the damping structure 4 is attached to the surface of the noise reduction module 1.
Two adjacent noise reduction modules 1 can be installed seamlessly through the connecting structure 2.
The implementation form one is as follows:
an acoustics structure of borduring 3(a), (b), (c), (d) and (e) for solving the right angle or contained angle that adjacent denoising module constitutes and lou the sound problem show, fig. 3(a), fig. 3(b) and fig. 3(c) show that two denoising modules are the corner connection of different angles, fig. 3(e) are two denoising module overlap joints, the overlap joint also forms similar corner structure, damping structure 4 is attached to the denoising module surface, partly damping structure 4 imbeds the corner simultaneously, and extend the whole corner of partly cladding, sound insulation structure 3 cladding is on damping structure 4 surface. FIG. 3(d) shows that the noise reduction modules are butted, the joint is straight, the damping structure 4 only needs to be attached to the surface of the noise reduction modules, and the sound insulation structure 3 covers the whole damping structure 4; the inner sides of the joints of the noise reduction modules at splicing gaps, lap joints, corners and the like are provided with damping structures 4, the damping structures 4 are damping layers, damping felts and rubber can also be adopted, and the design is carried out by adhering the joints of the noise reduction modules; the sound insulation structure 3 is a sound insulation layer, and the sound insulation structure 3 can be a galvanized steel plate or a color steel plate; the thickness gradually decreases near the edges.
The sound insulation structure 3 and the damping structure 4 jointly form an edge covering structure of the noise reduction project, and the edge covering structure is fixed at the joint of the noise reduction module in a bolt mode, a gun nail mode, a pressing strip mode and the like, so that the noise reduction performance of the noise reduction module is improved.
The principle that the sound insulation structure 3 and the damping structure 4 jointly form a wrapping structure of a noise reduction project to increase the acoustic performance of a noise reduction module is as follows: the sound leaked from the connection part of the noise reduction module firstly reaches the damping structure 4, the damping structure 4 can reduce the vibration caused by sound energy, reflect the sound and reduce outward transmission, and meanwhile, the damping structure 4 plays a sealing role to prevent the sound leakage phenomenon at the connection edge of the noise reduction module; the sound which cannot be reflected reaches the sound insulation layer 3 to be further reflected, the outward transmission is reduced, and meanwhile, the structure 3 plays a sealing role to prevent the sound leakage phenomenon at the edge of the sound insulation structure 3; the sound is reflected for multiple times, so that the sound leakage phenomenon at the joint of the noise reduction module is reduced as much as possible, the possible 'whistle' phenomenon can be avoided, and the acoustic performance of the noise reduction project is improved.
The structure of borduring of engineering of making an uproar falls is fallen to sound insulation structure 3 and damping structure 4 constitution jointly can prefabricate in advance as required, and the form is various, and transportation, simple to operate have better function and economic benefits.
The implementation form two is as follows:
an acoustics bordure structure chart 2(a), (b), (c), (d) and (e) that is used for solving the right angle or contained angle that adjacent noise reduction module constitutes and leaks the sound problem, fig. 2(a), fig. 2(b) and fig. 2(c) show the corner form that the different angles of noise reduction module junction are shown, fig. 2(d) show the overlap joint form of noise reduction module, the overlap joint forms the shape of similar corner, sound absorbing structure 5 hugs closely on noise reduction module surface, partly sound absorbing structure 5 imbeds the corner simultaneously, and extend the whole corner of partly cladding, damping structure 4 cladding is on sound absorbing structure 5 surface, sound insulation structure 3 covers on damping structure 4 surfaces. Fig. 3(d) shows that the noise reduction modules are butted, the joint is straight, the sound absorption structure 5 only needs to be attached to the surface of the noise reduction module, the damping structure 4 coats the whole sound absorption structure 5, the sound insulation structure 3 covers the damping structure 4, and the thickness of the sound insulation structure is gradually reduced near the edge.
The noise reduction module is provided with a sound absorption structure 5 at the inner side of the joint of the spliced gap, the lapped gap, the corner and the like, and the sound absorption structure 5 is made of sound absorption materials, such as sound absorption cotton or polyurethane foam; arranging a damping structure 4 as a damping layer, such as damping felt or rubber, close to the sound absorption structure 5; the sound insulation structure 3 is a sound insulation layer which is a galvanized steel plate or a color steel plate.
The sound insulation structure 3, the damping structure 4 and the sound absorption structure 5 jointly form an edge covering structure of the noise reduction project, and the edge covering structure is fixed at the joint of the noise reduction module in a bolt, gun nail or pressing strip mode, so that the noise reduction performance of the noise reduction module is improved.
The principle that the sound insulation structure 3, the damping structure 4 and the sound absorption structure 5 jointly form an edge covering structure of a noise reduction project to increase the acoustic performance of a noise reduction module is as follows: sound leaked from the connection of the noise reduction module firstly attenuates sound energy through the sound absorption structure 5; the part which is not attenuated reaches the damping structure 4, the damping structure 4 can reduce the vibration caused by sound energy, reflect the sound to enable the sound to enter the sound absorption structure 5 for secondary attenuation, and meanwhile, the damping structure 4 plays a sealing role to prevent the sound leakage phenomenon at the edge of the sound absorption structure 5; the sound which cannot be reflected reaches the sound insulation structure 3 to be further reflected, the sound energy is further attenuated through the damping structure 4 and the sound absorption structure 5, and meanwhile, the sound insulation structure 3 plays a sealing role to prevent the sound leakage phenomenon at the edge of the sound absorption structure 4; the sound is reflected and attenuated circularly for many times, so that the sound leakage phenomenon at the joint of the noise reduction module is reduced as much as possible, the possible 'whistle' phenomenon can be avoided, and the acoustic performance of noise reduction engineering is improved.
The structure of borduring of engineering of making an uproar falls is fallen to sound insulation structure 3, damping structure 4 and sound absorbing structure 5 constitution jointly can prefabricate in advance as required, and the form is various, and transportation, simple to operate have fine function and economic benefits.
Claims (8)
1. The acoustic edge covering structure for the noise reduction project is characterized by comprising two adjacent noise reduction modules (1) and a connecting part (2) of the noise reduction modules, wherein the connecting part (2) comprises a sound insulation structure (3) and a damping structure (4) which are attached to each other, and the damping structure (4) is attached to the surfaces of the noise reduction modules (1).
2. An acoustic edging structure for noise reduction engineering according to claim 1, characterized in that the damping structure (4) is made of damping felt or rubber.
3. An acoustic edging structure for noise reducing projects according to claim 1, characterized in that a sound absorbing structure (5) is arranged between the damping structure (4) and the noise reducing module (1), the sound absorbing structure (5) being in close contact with the damping structure (4) and the noise reducing module (1).
4. An acoustic edging structure for noise reduction projects, according to claim 1, characterized in that the shape of the junction of the sound absorbing structure (5) and the adjacent noise reduction modules (1) is identical, the sound absorbing structure (5) being straight when the adjacent noise reduction modules (1) are butted; when the joint of the adjacent noise reduction modules (1) is lapped or the joint of the adjacent noise reduction modules (1) is a corner, one part of the sound absorption structure (5) is embedded into the corner, and the other part of the sound absorption structure covers the corner structure; the damping structure (4) and the sound insulation structure (3) are sequentially coated on the outer side of the sound absorption structure (5).
5. An acoustic edging structure for noise reduction works, according to claim 1, characterized in that the sound absorbing structure (5) is made of sound absorbing cotton or polyurethane foam.
6. An acoustic edge-covering structure for noise reduction engineering according to claim 1, characterized in that the sound insulation structure (3) is made of galvanized steel sheet or color steel sheet.
7. An acoustic edging structure for noise reduction engineering according to claim 1, characterized in that the attachment part (2) is fixed at the attachment of the noise reduction module (1) by means of bolts, staples or battens.
8. An acoustic surround structure for noise reduction engineering according to claim 1, wherein the thickness is tapered near the edges.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220351401.1U CN217008640U (en) | 2022-02-21 | 2022-02-21 | Acoustic edge covering structure for noise reduction engineering |
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| CN202220351401.1U CN217008640U (en) | 2022-02-21 | 2022-02-21 | Acoustic edge covering structure for noise reduction engineering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115662381A (en) * | 2022-12-22 | 2023-01-31 | 苏州巨能发电配套设备有限公司 | Acoustic package, motor noise reduction casing and assembling method |
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- 2022-02-21 CN CN202220351401.1U patent/CN217008640U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115662381A (en) * | 2022-12-22 | 2023-01-31 | 苏州巨能发电配套设备有限公司 | Acoustic package, motor noise reduction casing and assembling method |
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