CN213625303U

CN213625303U - Sound barrier board

Info

Publication number: CN213625303U
Application number: CN202022275278.3U
Authority: CN
Inventors: 李建新
Original assignee: New Power Environmental Protection Technology Guangzhou Co ltd
Current assignee: New Power Environmental Protection Technology Guangzhou Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-07-06
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses a sound barrier board, inboard backup pad and outside backup pad including the interval setting have seted up first sound absorbing hole in the inboard backup pad, set up first sound absorbing layer between inboard backup pad and the outside backup pad, and one side that first sound absorbing layer is close to the outside backup pad sets up the puigging, and first sound absorbing layer is the honeycomb gypsum board, has a plurality of hollow sound absorbing chambers that are cellular arrangement in the honeycomb gypsum board, and the bottom of honeycomb gypsum board is provided with the wash port, wash port and sound absorbing chamber intercommunication, and the puigging is the silica gel layer. Through setting up the honeycomb gypsum board as first sound absorbing layer, replaced current glass cotton and inhaled the sound, not only the sound absorbing effect is good, and this honeycomb gypsum board surface is smooth not prick the hand, the installation of being convenient for, in addition, this honeycomb gypsum board does not absorb water nor deposit water, can get rid of through the wash port of bottom rapidly after water gets into, has prolonged the life of whole sound barrier board, has saved the non-woven fabrics layer, the cost is reduced.

Description

Sound barrier board

Technical Field

The utility model relates to an electric power and building technical field especially relate to a sound barrier board.

Background

Sound barriers are often provided at power distribution stations, highways or overpasses to isolate noise during vehicle operation. Sound barriers generally comprise sound barrier panels, uprights and a base, with the sound barrier panels typically being secured to both sides of the road by the uprights and base. The inner side and the outer side of the existing sound barrier board are generally provided with galvanized steel sheets which are used as fixing and supporting, the inner side is close to a road, a sound absorbing hole is formed in the inner side, glass wool is arranged between two layers of galvanized steel sheets and used for absorbing sound, and one side, close to the inner side, of the glass wool is provided with a non-woven fabric layer and used for preventing water. The sound barrier panel has the following defects: 1. although the glass wool has good sound insulation effect, the glass wool is very difficult to assemble when being pricked, and meanwhile, the glass wool is easy to absorb water, so that the sound barrier plate is damaged due to long-term water accumulation in the sound barrier plate; 2. although the non-woven fabric layer can block water, after long-term use, the non-woven fabric layer is easily weathered and damaged, so that external water enters into glass wool, the waterproof effect is poor, and in addition, the additional addition of the non-woven fabric layer also increases the manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at: the sound barrier board has the advantages of simple structure, convenience in assembly, sound absorption and good waterproof effect.

To achieve the purpose, the embodiment of the present invention adopts the following technical solutions:

the utility model provides a sound barrier board, inboard backup pad and outside backup pad including the interval setting, first sound absorbing hole has been seted up in the inboard backup pad, inboard backup pad with set up first sound absorbing layer between the outside backup pad, first sound absorbing layer is close to one side of outside backup pad sets up the puigging, first sound absorbing layer is the honeycomb gypsum board, it has a plurality of hollow sound absorbing chambers that are cellular range in the honeycomb gypsum board, the bottom of honeycomb gypsum board is provided with the wash port, the wash port with sound absorbing chamber intercommunication, the puigging is the silica gel layer.

As a preferable scheme of the sound barrier panel, a second sound absorption layer is disposed between the inner support plate and the first sound absorption layer, a second sound absorption hole is formed in the second sound absorption layer, the second sound absorption hole has a first end close to the inner support plate and a second end close to the first sound absorption layer, and the first end is larger than the second end in size.

As a preferable aspect of the sound barrier panel, the second sound absorbing hole is tapered.

As a preferable aspect of the sound barrier panel, the second sound absorbing layer is a foamed cement layer or a foamed plastic layer.

As an optimal scheme of the sound barrier plate, the second sound absorption layer is formed by laminating at least two sound absorption sub-layers, through holes are formed in each sound absorption sub-layer, and all the through holes in the sound absorption sub-layers correspond to one another and jointly form the second sound absorption holes.

As a preferable scheme of the sound barrier plate, a side surface of the inner side supporting plate, which is far away from the first sound absorbing layer, is provided with a water blocking part corresponding to each first sound absorbing hole, and the water blocking part is located above the first sound absorbing holes.

As a preferred scheme of the sound barrier plate, the water blocking part and the inner side supporting plate are integrally formed, and the water blocking part is integrally formed when the first sound absorption holes in the inner side supporting plate are formed in a punching mode.

As a preferable scheme of the sound barrier board, a buffer layer is arranged between the first sound absorption layer and the sound insulation layer, the buffer layer is an inorganic board or a PVC board, and the buffer layer is honeycomb-shaped.

As a preferable scheme of the sound barrier panel, the inner side supporting plate is a galvanized steel plate; and/or the presence of a gas in the gas,

the outer supporting plate is a galvanized steel plate.

As a preferred scheme of the sound barrier plate, the sound insulation layer is a fluorine-based silica gel layer or a silicon-based silica gel layer.

The utility model discloses beneficial effect does:

the honeycomb gypsum board is used as the first sound absorption layer, the existing glass wool is replaced for sound absorption, the sound absorption effect is good, the surface of the honeycomb gypsum board is smooth and not pricked, the installation is convenient, in addition, the honeycomb gypsum board does not absorb water or store water, and the water can be quickly discharged through the drain hole at the bottom after entering, so the service life of the whole sound barrier board is prolonged, the non-woven fabric layer is saved, and the cost is reduced; through setting up the puigging into the silica gel layer, not only sound insulation effect is good, and because the characteristic of silica gel, ageing-resistant, therefore long service life.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic sectional view of an acoustic barrier panel according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of an inner support plate according to an embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view of a second sound absorbing layer according to another embodiment of the present invention.

In the figure:

1. an inner support plate; 11. a first sound absorbing aperture; 12. a water retaining part; 2. an outer support plate; 3. a first sound absorbing layer; 31. a sound absorbing chamber; 4. a sound insulating layer; 5. a second sound absorbing layer; 51. a second sound absorbing hole; 511. a first end; 512. a second end; 513. a through hole; 52. a sound absorbing sublayer; 6. a buffer layer.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 and 2, the utility model discloses sound barrier board, inboard backup pad 1 and outside backup pad 2 including the interval setting, first sound absorbing hole 11 has been seted up on inboard backup pad 1, set up first sound absorbing layer 3 between inboard backup pad 1 and the outside backup pad 2, one side that first sound absorbing layer 3 is close to outside backup pad 2 sets up puigging 4, first sound absorbing layer 3 is the cellular gypsum board, it inhales sound cavity 31 to have a plurality of hollows that are cellular arrangement in the cellular gypsum board, the bottom of cellular gypsum board is provided with the wash port (not shown on the picture), the wash port with inhale sound cavity 31 intercommunication, puigging 4 is the silica gel layer. The honeycomb gypsum board is used as the first sound absorption layer 3, the existing glass wool is replaced for sound absorption, the sound absorption effect is good, the surface of the honeycomb gypsum board is smooth and not pricked, the installation is convenient, in addition, the honeycomb gypsum board does not absorb water or store water, and the water can be quickly discharged through the drain hole at the bottom after entering, so the service life of the whole sound barrier board is prolonged, the non-woven fabric layer is saved, and the cost is reduced; through setting up puigging 4 into the silica gel layer, not only sound insulation effect is good, and because the characteristic of silica gel, ageing-resistant, therefore long service life.

The gypsum board is a material made of building gypsum as a main raw material, is a building material with light weight, high strength, thin thickness, convenient processing, good performances of sound insulation, heat insulation, fire prevention and the like, and is one of novel light boards which are intensively developed at present.

The existing gypsum boards mainly comprise paperless gypsum boards, decorative gypsum boards, fiber gypsum boards, gypsum sound-absorbing boards, positioning point gypsum boards and the like.

(1) The paperless gypsum board is a wood-substitute board with excellent performance, and is a novel building board taking building gypsum powder as a main raw material and various fibers as reinforcing materials. The gypsum board without paper surface is a new product developed successfully after the gypsum board without paper surface is widely applied. The outer surface of the gypsum board is free from a face protecting paper board, so that the application range is expanded except the whole application range of the gypsum board covered by the paper surface, and the comprehensive performance of the gypsum board is superior to that of the gypsum board covered by the paper surface.

(2) The decorative gypsum board is a board which is made of building gypsum as a main raw material and is doped with a small amount of fiber materials and has various patterns and decorations, such as a gypsum printing board, a perforated ceiling board, a gypsum relief ceiling board, a paper surface gypsum decorative board and the like. It is a new type interior decoration material, is applicable to middle and high grade decoration, and has the characteristics of light weight, fire-proofing, moisture-proofing, easy processing and simple installation, etc. Especially, the novel resin profiling decorative waterproof gypsum board is covered with resin and decorative profiling patterns, the color tone and the patterns are vivid, novel and elegant, the board has high strength, is pollution-resistant and easy to clean, can be used for decorating wall surfaces, can be used as wall panels, skirting boards and the like, and is an ideal material for replacing natural stones and terrazzo.

(3) The fiber gypsum board is prepared by taking building gypsum as a main raw material and adding a proper amount of fiber reinforced materials. The bending strength of the board is higher than that of a paper-surface gypsum board, and the board can be used for inner walls and partition walls and can also replace wood to manufacture furniture.

(4) And plant straw gypsum plasterboard. Different from common paper-surface gypsum board, the gypsum board adopts a large amount of plant straws, so that local wastes are fully utilized, the environmental protection problem is solved, the economic income of farmers is increased, the weight of the gypsum board is reduced, the transportation cost is reduced, the consumption of coal and electricity is reduced by 30 to 45 percent, and the gypsum board completely conforms to the relevant national industrial policy.

Silica gel (Silica gel; Silica) is also called silicic acid gel, is a high-activity adsorption material, belongs to an amorphous substance, and has a chemical molecular formula of mSiO 2. nH 2O; except strong alkali and hydrofluoric acid, the paint does not react with any substance, is insoluble in water and any solvent, is nontoxic and tasteless, and has stable chemical properties. Different types of silica gel form different microporous structures due to different manufacturing methods. The chemical components and physical structure of silica gel determine that the silica gel has the characteristics of difficult substitution of other similar materials: high adsorption performance, good thermal stability, stable chemical property, higher mechanical strength and the like. The silica gel is classified into macroporous silica gel, B-type silica gel, and microporous silica gel according to the pore size.

Preferably, the sound insulation layer 4 is a fluorine-based silica gel layer or a silicon-based silica gel layer.

Fluorine-based silicone rubber, i.e., fluorosilicone rubber, commonly known as fluorosilicone rubber, refers to a special silicone rubber material with fluorinated alkyl groups. The same linear main chain structure of-Si-O-Si-as that of the common silicone rubber base polymer. The advantages are that the silicone rubber has the same properties as silicone rubber, good heat resistance, cold resistance and the like, and also good chemical erosion resistance and oil resistance.

In one embodiment, a second sound absorption layer 5 is disposed between the inner support plate 1 and the first sound absorption layer 3, a second sound absorption hole 51 is formed in the second sound absorption layer 5, the second sound absorption hole 51 has a first end 511 close to the inner support plate 1 and a second end 512 close to the first sound absorption layer 3, and the first end 511 is larger than the second end 512. By providing the second sound absorbing hole 51 having a small end and a large end, and the large end is communicated with the first sound absorbing hole 11 of the inner support plate 1, the volume of the external sound can be reduced, that is, the noise reduction process can be performed. Preferably, the second sound absorbing hole 51 is tapered. The second tapered sound absorbing hole 51 can reduce noise of sound, and the second tapered sound absorbing hole 51 is easier to machine and form, which is beneficial to reducing the manufacturing difficulty and cost.

In other embodiments, the second sound absorbing hole 51 may be a stepped hole or any other hole-type structure with a larger end and a smaller end.

The second sound absorption layer 5 can be formed by one plate or by stacking a plurality of plates. For example, as shown in fig. 3, the second sound absorbing layer 5 is formed by laminating at least two sound absorbing sub-layers 52, each sound absorbing sub-layer 52 is provided with a through hole 513, and the through holes 513 on all the sound absorbing sub-layers 52 are in one-to-one correspondence and jointly form the second sound absorbing hole 51. This design can further reduce the processing degree of difficulty, and the degree of depth of drilling can reduce in the time of manufacturing, and then can reduce the drilling degree of difficulty, drills the through-hole 513 that corresponds shape and size in advance according to setting for on every board, then assembles the range upon range of a plurality of boards, makes a plurality of through-holes 513 intercommunication and formation second of same position inhale sound hole 51.

In the present embodiment, the second sound-absorbing layer 5 is a foamed cement layer or a foamed plastic layer. Foam construction's cement or plastics can inhale the sound, because it is the foaming layer, and inside has a lot of void structure, can inhale the sound, still can not absorb water in addition and deposit water, can also prolong the life of whole sound barrier board when satisfying the sound requirement.

In one embodiment, as shown in fig. 1 and 2, a water blocking portion 12 is disposed on a side of the inner support plate 1 away from the first sound absorbing layer 3 corresponding to each first sound absorbing hole 11, and the water blocking portion 12 is located above the first sound absorbing hole 11. By providing the water blocking part 12, it is possible to prevent water from entering the interior of the sound barrier panel from the first sound absorbing holes 11 of the inner side support plate 1 in rainy weather.

In the present embodiment, the water blocking portion 12 is arc-shaped and is disposed around the circumferential direction of the first sound absorbing hole 11, and the arc-shaped length of the water blocking portion 12 is not less than half of the circumference of the first sound absorbing hole 11.

Further, the water blocking part 12 is integrally formed with the inner support plate 1, and the water blocking part 12 is integrally formed when the first sound absorbing hole 11 of the inner support plate 1 is press-formed. The design can reduce the manufacturing difficulty of the water retaining part 12, and the water retaining part 12 does not need to be additionally assembled with the inner side supporting plate 1, thereby reducing the assembly difficulty.

In other embodiments, the water guard 12 may be additionally manufactured, and then the water guard 12 is mounted on the inner support plate 1 by welding, bonding, clamping, or the like.

In one embodiment, a buffer layer 6 is disposed between the first sound-absorbing layer 3 and the sound-absorbing layer 4, the buffer layer 6 is an inorganic board or a PVC board, and the buffer layer 6 is honeycomb-shaped.

Specifically, the buffer layer 6 may be formed in a honeycomb shape by bending using a material having ductility.

In addition, the inner support plate 1 and the outer support plate 2 are each a galvanized steel plate. In other embodiments, the inner support plate 1 and the outer support plate 2 are made of different materials, i.e., the inner support plate 1 is made of galvanized steel, the outer support plate 2 is made of stainless steel, etc.

In the description herein, it is to be understood that the terms "upper" and the like are used in a descriptive sense and based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, configuration and operation in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description herein, references to the description of "an embodiment" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a sound barrier board, its characterized in that, inboard backup pad and outside backup pad including the interval setting, first sound absorbing hole has been seted up in the inboard backup pad, inboard backup pad with set up first sound absorbing layer between the backup pad of the outside, first sound absorbing layer is close to one side of outside backup pad sets up the puigging, first sound absorbing layer is the honeycomb gypsum board, it has a plurality of hollow sound absorbing chambers that are cellular range to have in the honeycomb gypsum board, the bottom of honeycomb gypsum board is provided with the wash port, the wash port with sound absorbing chamber intercommunication, the puigging is the silica gel layer.

2. The sound barrier panel of claim 1, wherein a second sound absorbing layer is disposed between the inner support plate and the first sound absorbing layer, and a second sound absorbing hole is formed in the second sound absorbing layer, the second sound absorbing hole having a first end near the inner support plate and a second end near the first sound absorbing layer, the first end being larger than the second end.

3. The sound barrier panel of claim 2, wherein the second sound absorbing aperture is tapered.

4. The sound barrier panel of claim 2, wherein the second sound absorbing layer is a foam cement layer or a foam plastic layer.

5. The sound barrier panel of claim 2, wherein the second sound absorption layer is formed by stacking at least two sound absorption sub-layers, each sound absorption sub-layer is provided with through holes, and the through holes of all the sound absorption sub-layers are in one-to-one correspondence and jointly form the second sound absorption hole.

6. The sound barrier panel according to any one of claims 1 to 5, wherein a side of the inner support plate away from the first sound absorbing layer is provided with a water blocking part corresponding to each of the first sound absorbing holes, the water blocking part being located above the first sound absorbing holes.

7. The sound barrier panel of claim 6, wherein the water blocking part is integrally formed with the inner support plate, and the water blocking part is integrally formed when the first sound absorbing hole of the inner support plate is formed by stamping.

8. The sound barrier panel according to any one of claims 1 to 5, wherein a buffer layer is disposed between the first sound-absorbing layer and the sound-absorbing layer, the buffer layer is an inorganic board or a PVC board, and the buffer layer is formed in a honeycomb shape.

9. The sound barrier panel as claimed in any one of claims 1 to 5, wherein the inner support plate is a galvanized steel plate; and/or the presence of a gas in the gas,

the outer supporting plate is a galvanized steel plate.

10. The sound barrier panel according to any one of claims 1 to 5, wherein the sound insulation layer is a fluorine-based silicone layer or a silicon-based silicone layer.