CN111335197A - Inhibition type sound insulation screen - Google Patents
Inhibition type sound insulation screen Download PDFInfo
- Publication number
- CN111335197A CN111335197A CN202010309990.2A CN202010309990A CN111335197A CN 111335197 A CN111335197 A CN 111335197A CN 202010309990 A CN202010309990 A CN 202010309990A CN 111335197 A CN111335197 A CN 111335197A
- Authority
- CN
- China
- Prior art keywords
- sound
- absorbing
- lath
- composite
- plate
- 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.)
- Granted
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 19
- 230000005764 inhibitory process Effects 0.000 title claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 48
- 239000002131 composite material Substances 0.000 claims abstract description 47
- 238000010521 absorption reaction Methods 0.000 claims abstract description 24
- 230000000452 restraining effect Effects 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims 6
- 230000001629 suppression Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000011358 absorbing material Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 241000282414 Homo sapiens Species 0.000 description 4
- 210000002768 hair cell Anatomy 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000036772 blood pressure Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 210000003477 cochlea Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0017—Plate-like elements
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0029—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with porous surfaces, e.g. concrete with porous fillers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a restraining type sound insulation screen which comprises a counter bore sound absorption board, an aluminum plate, a first composite sound absorption lath, a second composite sound absorption lath and a restraining type sound absorption lath; a first cavity is formed between the first composite sound-absorbing lath and the inhibition type sound-absorbing lath, and a second cavity is formed between the second composite sound-absorbing lath and the inhibition type sound-absorbing lath; the invention has the beneficial effects that: the design is provided with a counter bore sound-absorbing plate, an aluminum plate, a composite sound-absorbing plate strip and a restraining sound-absorbing plate strip which are combined into a new structure, noise is emitted to the restraining sound-insulating screen, is absorbed by the counter bore sound-absorbing plate, passes through the counter bores and reaches a first cavity and a second cavity, and is restrained by the restraining sound-absorbing plate strip; the sound-absorbing material has the advantages of noise suppression and good sound-absorbing effect, and the noise reduction coefficient NRC is 1.05; small appearance, thin thickness, light weight, simple structure and easy production.
Description
Technical Field
The invention relates to the technical field of sound insulation boards, in particular to a restraining type sound insulation screen.
Background
The sound signal is very important to the normal life of human beings. Modern people are often exposed to a lot of life noises that can harm human health. Human beings sense external vibration through sensitive hair cells in the cochlea and transmit the vibration to the brain to be interpreted as sound signals. However, hair cells cannot regenerate and cannot recover once damaged. On the other hand, the sound also affects the physical states of human body such as blood pressure and mind. Therefore, it is an important issue to properly control the environmental sound, reduce the noise causing damage to the body, and improve the quality of life. With the improvement of living standard, people put higher requirements on living and working environments, and noise control becomes more important to improve the quality of life and work of people; along with the development of highway height and rail traffic, the noise of vibration caused by the running of automobiles or trains is more severe, and a plurality of traffic routes pass through a plurality of cities, so that the noise of the traffic routes seriously interferes with the normal life of residents along the roads, and even influences the normal running of nearby schools, scientific research institutes, hospitals, banks and the like; therefore, the sound insulation screen needs to be installed on the road; the sound-proof screen is an ideal sound-absorbing decorative material.
At present, most of the existing sound insulation screens have complex structures, heavy weight and weak sound absorption effect; there is a need for an acoustic screen that is simple in construction, light in weight, and easy to manufacture.
Disclosure of Invention
The invention mainly solves the technical problem of providing a restraining type sound insulation screen which adopts a new structure, has the advantages of noise restraining and good sound absorption effect, and is simple in structure and easy to produce.
In order to solve the problems, the invention provides a restraining type sound insulation screen, which comprises a counter bore sound absorption plate, an aluminum plate, a first composite sound absorption lath, a second composite sound absorption lath and a restraining type sound absorption lath; the composite sound-absorbing plate comprises a counter bore sound-absorbing plate, an aluminum plate, a first composite sound-absorbing lath, a second composite sound-absorbing lath, a restraining type sound-absorbing lath and a first composite sound-absorbing lath, wherein the counter bore sound-absorbing plate is arranged in front of the aluminum plate, the first composite sound-absorbing lath is arranged at the upper part between the counter bore sound-absorbing plate and the aluminum plate, the second composite sound-absorbing lath is arranged at; a first cavity is formed between the first composite sound-absorbing lath and the inhibition type sound-absorbing lath, and a second cavity is formed between the second composite sound-absorbing lath and the inhibition type sound-absorbing lath; a triangular bulge is arranged on the first composite sound-absorbing lath; and a triangular groove is arranged below the second composite sound-absorbing batten.
Furthermore, the inhibition type sound-absorbing batten is made of novel environment-friendly aluminum materials, namely expanded aluminum, sintered aluminum and foamed aluminum, and has sound-absorbing performance.
Furthermore, the counterbore sound-absorbing board is made of an aluminum plate with counterbores, namely, the aluminum plate is provided with counterbores.
Furthermore, the aluminum plate is made of a metal aluminum material.
Furthermore, the first composite sound-absorbing strip and the second composite sound-absorbing strip are the same composite sound-absorbing plate and are formed by overlapping a foam aluminum layer, a first plastic layer, a honeycomb aluminum layer, a second plastic layer and an aluminum layer.
Furthermore, the triangular protrusions can be matched and spliced with the triangular grooves and are used for splicing the two sound insulation screens.
The invention discloses a restraining type sound insulation screen which comprises a counter bore sound absorption board, an aluminum plate, a first composite sound absorption lath, a second composite sound absorption lath and a restraining type sound absorption lath; a first cavity is formed between the first composite sound-absorbing lath and the inhibition type sound-absorbing lath, and a second cavity is formed between the second composite sound-absorbing lath and the inhibition type sound-absorbing lath; the invention has the beneficial effects that: the design is provided with a counter bore sound-absorbing plate, an aluminum plate, a composite sound-absorbing plate strip and a restraining sound-absorbing plate strip which are combined into a new structure, noise is emitted to the restraining sound-insulating screen, is absorbed by the counter bore sound-absorbing plate, passes through the counter bores and reaches a first cavity and a second cavity, and is restrained by the restraining sound-absorbing plate strip; the sound-absorbing material has the advantages of noise suppression and good sound-absorbing effect, and the noise reduction coefficient NRC is 1.05; small appearance, thin thickness, light weight, simple structure and easy production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a front view of the present invention.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a cross-sectional view of a composite acoustical panel of the present invention.
FIG. 4 is an elevation view of a counterbore of the present invention.
Fig. 5 is a schematic view of the present invention in use.
The objectives, features, and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 to 5, the suppression type sound insulation screen comprises a counter bore sound absorption plate 1, an aluminum plate 2, a first composite sound absorption lath 3, a second composite sound absorption lath 4 and a suppression type sound absorption lath 5; the counter bore sound-absorbing plate 1 is arranged in the front, the aluminum plate 2 is arranged on the back, the first composite sound-absorbing lath 3 is arranged at the upper part between the counter bore sound-absorbing plate 1 and the aluminum plate 2, the second composite sound-absorbing lath 4 is arranged at the lower part between the counter bore sound-absorbing plate 1 and the aluminum plate 2, and the inhibition type sound-absorbing lath 5 is arranged at the middle part between the counter bore sound-absorbing plate 1 and the aluminum plate 2; a first cavity 35 is formed between the first composite sound absorbing lath 3 and the restraining type sound absorbing lath 5, and a second cavity 45 is formed between the second composite sound absorbing lath 4 and the restraining type sound absorbing lath 5; the first composite sound-absorbing lath 3 is provided with a triangular bulge 31; and a triangular groove 41 is arranged below the second composite sound-absorbing batten 4.
Specifically, the suppression type sound insulation screen can be installed in a place where noise needs to be blocked, if the sound insulation screen is too small, the triangular protrusions 31 can be matched and spliced with the triangular grooves 41, so that two sound insulation screens can be spliced together, and finally a plurality of sound insulation screens can be spliced together; the noise emitted to the restraining type sound insulation screen is absorbed by the counter bored sound absorption plate 1, passes through the counter bored holes 11, reaches the first cavity 35 and the second cavity 45, and is restrained by the restraining type sound absorption plate strips 5.
As shown in fig. 2 and 5, the suppression-type sound absorbing batten 5 is made of a novel environment-friendly aluminum material, i.e., expanded aluminum, sintered aluminum, or foamed aluminum, and has sound absorbing performance.
As shown in fig. 1 and 4, the countersunk sound-absorbing plate 1 is made of an aluminum plate with a countersink 11.
As shown in fig. 2 and 5, the aluminum plate 2 is made of a metallic aluminum material.
As shown in fig. 2, 3 and 5, the first composite sound absorbing batten 3 and the second composite sound absorbing batten 4 are the same composite sound absorbing plate, and are formed by stacking a foamed aluminum layer 341, a first plastic layer 342, a honeycomb aluminum layer 343, a second plastic layer 344 and an aluminum layer 345.
As shown in fig. 2, 3 and 5, the triangular protrusion 31 can be matched and spliced with the triangular groove 41 for splicing two sound insulation screens.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments without departing from the spirit or scope of the present invention.
Claims (6)
1. An inhibition type sound insulation screen is characterized by comprising a counter bore sound absorption plate (1), an aluminum plate (2), a first composite sound absorption lath (3), a second composite sound absorption lath (4) and an inhibition type sound absorption lath (5); the counter bore sound-absorbing plate (1) is arranged in the front, the aluminum plate (2) is arranged on the back, the first composite sound-absorbing lath (3) is arranged at the upper part between the counter bore sound-absorbing plate (1) and the aluminum plate (2), the second composite sound-absorbing lath (4) is arranged at the lower part between the counter bore sound-absorbing plate (1) and the aluminum plate (2), and the inhibition type sound-absorbing lath (5) is arranged in the middle part between the counter bore sound-absorbing plate (1) and the aluminum plate (2); a first cavity (35) is formed between the first composite sound-absorbing lath (3) and the inhibition type sound-absorbing lath (5), and a second cavity (45) is formed between the second composite sound-absorbing lath (4) and the inhibition type sound-absorbing lath (5); a triangular bulge (31) is arranged on the first composite sound-absorbing lath (3); and a triangular groove (41) is arranged below the second composite sound-absorbing batten (4).
2. The restraining-type sound-proof screen according to claim 1, wherein the restraining-type sound-absorbing batten (5) is made of novel environment-friendly aluminum materials, namely expanded aluminum, sintered aluminum and foamed aluminum, and has sound-absorbing performance.
3. A suppressing acoustic screen according to claim 1, characterised in that the countersunk acoustic panel (1) is made of countersunk aluminium sheet (11).
4. -a suppressing acoustic screen according to claim 1, characterised in that the aluminium sheet (2) is made of metallic aluminium.
5. A suppressing acoustic screen according to claim 1, characterised in that the first (3) and second (4) composite acoustic panels are identical composite acoustic panels consisting of a layer of foamed aluminium (341), a first layer of plastic (342), a layer of honeycomb aluminium (343), a second layer of plastic (344), and a layer of aluminium (345) superimposed on each other.
6. A restraining sound-proof screen according to claim 1, characterised in that the triangular projections (31) can be matched with the triangular grooves (41) for splicing two sound-proof screens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010309990.2A CN111335197B (en) | 2020-04-20 | 2020-04-20 | Suppression type sound insulation screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010309990.2A CN111335197B (en) | 2020-04-20 | 2020-04-20 | Suppression type sound insulation screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111335197A true CN111335197A (en) | 2020-06-26 |
| CN111335197B CN111335197B (en) | 2024-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010309990.2A Active CN111335197B (en) | 2020-04-20 | 2020-04-20 | Suppression type sound insulation screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111335197B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883350A (en) * | 2020-07-21 | 2020-11-03 | 武汉大学 | Transformer substation noise frequency selection suppression device considering temperature factors and frequency selection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883350A (en) * | 2020-07-21 | 2020-11-03 | 武汉大学 | Transformer substation noise frequency selection suppression device considering temperature factors and frequency selection method |
| CN111883350B (en) * | 2020-07-21 | 2021-11-05 | 国网河南省电力公司电力科学研究院 | Transformer substation noise frequency selection suppression device considering temperature factors and frequency selection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111335197B (en) | 2024-07-23 |
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