CN213204543U - Positive and negative falling type composite sound absorption plate - Google Patents
Positive and negative falling type composite sound absorption plate Download PDFInfo
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- CN213204543U CN213204543U CN202021581665.3U CN202021581665U CN213204543U CN 213204543 U CN213204543 U CN 213204543U CN 202021581665 U CN202021581665 U CN 202021581665U CN 213204543 U CN213204543 U CN 213204543U
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Abstract
The utility model discloses a positive and negative grade formula composite acoustic panel that falls, a serial communication port, including inlayer glass fiber board and outer glass fiber board, inlayer glass fiber board with outer glass fiber board is that two rectangular plate and the two that the size is the same remove the dislocation coincide integrative, is formed with the grade area that falls that can match each other respectively in its positive and negative both sides. An object of the utility model is to provide a positive and negative formula of falling compound acoustic baffle that the appearance is pleasing to the eye, the installation is convenient, have good sound absorption performance.
Description
Technical Field
The utility model relates to an acoustic material's technical field especially relates to a positive and negative formula compound acoustic baffle that falls.
Background
Sound absorption refers to the use of sound absorbing materials and sound absorbing structures to block the transmission of sound energy, to limit the noise generated by the sound source to a localized area, or to create a relatively quiet location in a noisy environment.
At present, for a room with large noise, the traditional sound absorption treatment method is that a keel is installed on the wall surface of the room, a glass fiber cotton felt or a rock wool felt is laid in a keel grid, a layer of glass fiber cloth is laid on the outer surface of the keel grid, and then a gypsum board is fixed on the keel, so that the installation process is multiple, and the construction operation is complex; in addition, since the perforated gypsum board as the cover surface has high water absorption and the perforated portion is likely to be pulverized and clogged, the sound absorption effect is further reduced by long-term use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a positive and negative formula of falling compound acoustic baffle that the appearance is pleasing to the eye, the installation is convenient, have good sound absorption performance.
In order to realize the above-mentioned purpose, the utility model discloses a positive and negative formula composite acoustic baffle that falls, a serial communication port, including inlayer glass fiber board and outer glass fiber board, inlayer glass fiber board with outer glass fiber board is that two rectangular plate and the two that the size is the same remove the dislocation coincide integrative, is formed with the level area that falls that can match each other respectively in its positive and negative both sides.
Furthermore, a layer of glass fiber felt is respectively bonded on the outer surfaces of the inner layer glass fiber board and the outer layer glass fiber board through spot coating adhesives.
Furthermore, the width of two adjacent cascade belts on the same side is the same and is 5-10 mm.
Further, the adhesive is white latex.
Further, the volume weight of the inner layer glass fiber board is smaller than that of the outer layer glass fiber board.
Furthermore, the volume weight of the inner layer glass fiber plate is 32-100kg/m3。
Furthermore, the volume weight of the outer layer glass fiber board is 64-200kg/m3。
Further, the sizes of the outer glass fiber board and the inner glass fiber board are 1200mm × 600mm × 15 mm.
Compared with the prior art, the utility model discloses a show the effect and do:
1. the utility model selects the outer layer glass fiber board and the inner layer glass fiber board as sound absorption materials, and the outer layer glass fiber board and the inner layer glass fiber board are partially overlapped to form a positive and negative falling type composite sound absorption board with a falling band at the peripheral side, when in construction and installation, only one surface of the positive and negative falling type composite acoustic board is needed to be pasted on a wall body, because the relative falling-stage belts are arranged in a male and female matching mode, when the sound-absorbing wall is spliced by the positive and negative falling-stage composite sound-absorbing plates, both the two positive and negative falling-stage type composite sound-absorbing boards which are arbitrarily adjacent along the length direction of the wall body and the two positive and negative falling-stage type composite sound-absorbing boards which are arbitrarily adjacent along the height direction of the wall body can be tightly buckled through the male and female matched falling-stage belts, and simultaneously, the volume weight of the outer layer glass fiber board and the inner layer glass fiber board which are used as sound-absorbing materials is obviously higher than that of a glass fiber cotton felt or a rock wool felt, so that the sound absorption performance of the sound-absorbing board is obviously improved;
2. because the outer layer glass fiber board and the inner layer glass fiber board have different volume weights, the sound absorbing board can adapt to wider noise frequency bands, eliminate and reduce the noise of different frequency bands, obviously improve the sound absorbing coefficient of low, medium and high frequency noise and further improve the sound absorbing performance of the sound absorbing board;
3. the glass fiber felts are respectively bonded on the inner side and the outer side of the positive and negative falling type composite sound absorbing plate, so that air gaps between the positive and negative falling type composite sound absorbing plate and the positive and negative falling type composite sound absorbing plate are increased, more sound waves can enter a large number of tiny gaps of the positive and negative falling type composite sound absorbing plate, the large number of tiny gaps in the positive and negative falling type composite sound absorbing plate form a sound absorbing structure which has the best influence on air flow resistance, the sound waves entering the sound absorbing structure can be repeatedly blocked by the fiber yarns forming tiny gaps, and in the process, sound energy is continuously absorbed by the fiber yarns, consumed and converted into other energy, so that reverberation time is shortened, and indoor noise pollution is reduced; moreover, because the glass fiber felt decorative surface is smooth and flat, the glass fiber felt decorative surface also has better decorative effect when being installed on a wall body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the first embodiment;
FIG. 2 is a construction state diagram of the present invention;
wherein: 1-inner layer glass fiber board, 2-outer layer glass fiber board, 3-grade falling belt and 4-glass fiber felt.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Fig. 1 shows a first exemplary embodiment of the invention: the utility model provides a compound acoustic baffle of positive and negative grade formula that falls, its lies in, includes inlayer glass fiber board 1 and outer glass fiber board 2, inlayer glass fiber board 1 with outer glass fiber board 2 is two rectangular plate and the two removal dislocation coincide an organic whole that the size is the same, is formed with the grade of falling area 3 that can match each other respectively in its positive and negative both sides.
Specifically, a layer of glass fiber felt 4 is bonded on the outer surface of the inner glass fiber plate 1 and the outer glass fiber plate 2 respectively through spot-coated adhesives.
Specifically, two adjacent cascade belts 3 on the same side have the same width and are 5-10 mm, and of course, the cascade belts can be set according to actual construction requirements.
Specifically, the adhesive is white latex.
Specifically, the volume weight of the inner layer glass fiber plate 1 is smaller than that of the outer layer glass fiber plate 2.
Specifically, the volume weight of the inner layer glass fiber plate 1 is 32-100kg/m3, and of course, the volume weight of the inner layer glass fiber plate 1 can also be selected according to the indoor sound absorption requirement.
Specifically, the volume weight of the outer layer glass fiber board 2 is 64-200kg/m3, and of course, the volume weight of the outer layer glass fiber board 2 can be selected according to the indoor sound absorption requirement.
Specifically, the sizes of the outer layer glass fiber plate 2 and the inner layer glass fiber plate 1 are 1200mm × 600mm × 15mm, and of course, any size may be set according to the construction requirement.
In the first embodiment, as shown in fig. 2, the outer layer glass fiber board 2 and the inner layer glass fiber board 1 are selected as sound absorbing materials, and the two parts are overlapped to form a positive and negative falling type composite sound absorbing board with a falling band 3 left on the peripheral side, when construction and installation are carried out, only one side of the positive and negative falling type composite sound absorbing board is needed to be adhered on a wall body, because the relative falling bands 3 are arranged in a male and female matching mode, when the sound absorbing wall is spliced by the positive and negative falling type composite sound absorbing board, no matter two positive and negative falling type composite sound absorbing boards which are arbitrarily adjacent along the length direction of the wall body or two positive and negative falling type composite sound absorbing boards which are arbitrarily adjacent along the height direction of the wall body can be tightly buckled through the male and female matching falling bands 3, simultaneously, because the volume weight of the outer layer glass fiber board 2 and the inner layer glass fiber board 1 which are used as sound absorbing materials is obviously higher than that of a cotton felt or a rock wool felt, therefore, the sound absorption performance of the sound absorption plate is obviously improved; as shown in fig. 1, the outer layer glass fiber plate 2 and the inner layer glass fiber plate 1 have different volume weights, so that the composite sound absorbing plate can adapt to wider noise frequency bands, eliminate and reduce noises in different frequency bands, remarkably improve the sound absorbing coefficient of low, medium and high frequency noises, and further improve the sound absorbing performance of the drop-type composite sound absorbing plate; the glass fiber felts 4 are respectively bonded on the inner side and the outer side of the positive and negative falling type composite sound absorbing plate, so that air gaps between the positive and negative falling type composite sound absorbing plate and the positive and negative falling type composite sound absorbing plate are increased, more sound waves can enter a large number of tiny gaps of the positive and negative falling type composite sound absorbing plate, the large number of tiny gaps in the positive and negative falling type composite sound absorbing plate form a sound absorbing structure which has the best influence on air flow resistance, the sound waves entering the sound absorbing structure can be repeatedly blocked by the fiber yarns forming tiny gaps, and in the process, sound energy is continuously absorbed by the fiber yarns, consumed and converted into other energy, so that reverberation time is shortened, and indoor noise pollution is reduced; moreover, because the glass fiber felt 4 has a smooth and flat surface, the glass fiber felt has a better decorative effect when being installed on a wall body.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a positive and negative fall compound acoustic baffle, its characterized in that includes inlayer glass fiber board and outer glass fiber board, inlayer glass fiber board with outer glass fiber board is that two rectangular plate and the two that the size is the same move the coincide an organic whole that misplaces, is formed with the grade area that falls that can match each other respectively in its positive and negative both sides, inlayer glass fiber board with the surface of outer glass fiber board still bonds through the bonding agent of point coating respectively has the fine felt of one deck glass.
2. The positive-negative-drop composite sound absorbing panel according to claim 1, wherein the overlapped part of the outer glass fiber panel and the inner glass fiber panel is bonded by spot-coating adhesive.
3. The positive-negative stepped composite sound absorbing panel according to claim 1, wherein the width of two adjacent stepped belts on the same side is the same and is 5-10 mm.
4. The positive-negative-drop composite acoustic panel according to claim 2, wherein the adhesive is white latex.
5. The positive-negative-drop composite acoustic panel according to any one of claims 1 to 4, wherein the volume weight of the inner-layer glass fiber panel is smaller than that of the outer-layer glass fiber panel.
6. The positive-negative-drop composite acoustic panel according to claim 5, wherein the bulk density of the inner glass fiber sheet is 32-100kg/m3。
7. The positive-negative-drop composite sound absorbing panel according to claim 6, wherein the bulk density of the outer glass fiber panel is 64-200kg/m3。
8. The positive-negative-drop composite acoustic panel according to claim 7, wherein the sizes of the outer glass fiber board and the inner glass fiber board are 1200mm x 600mm x 15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021581665.3U CN213204543U (en) | 2020-08-03 | 2020-08-03 | Positive and negative falling type composite sound absorption plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021581665.3U CN213204543U (en) | 2020-08-03 | 2020-08-03 | Positive and negative falling type composite sound absorption plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213204543U true CN213204543U (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021581665.3U Active CN213204543U (en) | 2020-08-03 | 2020-08-03 | Positive and negative falling type composite sound absorption plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213204543U (en) |
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2020
- 2020-08-03 CN CN202021581665.3U patent/CN213204543U/en active Active
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