CN219240340U - Enamel acoustic panel - Google Patents
Enamel acoustic panel Download PDFInfo
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- CN219240340U CN219240340U CN202320132904.4U CN202320132904U CN219240340U CN 219240340 U CN219240340 U CN 219240340U CN 202320132904 U CN202320132904 U CN 202320132904U CN 219240340 U CN219240340 U CN 219240340U
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Abstract
The utility model relates to the technical field of sound absorbing boards, in particular to an enamel sound absorbing board which comprises a steel plate with a strip Kong Tangci with a curled edge at the edge, a galvanized bottom plate, a perforated supporting plate and sound absorbing cotton, wherein the galvanized bottom plate is of a shell structure with the curled edges arranged outside the periphery, the back side of the steel plate with the strip Kong Tangci is connected with the perforated supporting plate through an aluminum honeycomb core, the perforated supporting plate is connected with the curled edges of the galvanized bottom plate, and the sound absorbing cotton is arranged between the perforated supporting plate and an inner cavity of the galvanized bottom plate. The utility model has good noise reduction and noise reduction performance, can utilize the perforated support plate to support the plate body, and can use the aluminum honeycomb core to support the Kong Tangci steel plate in an auxiliary way, so that the integral strength of the enamel acoustic panel is improved, and the middle part of the Kong Tangci steel plate is prevented from collapsing.
Description
Technical Field
The utility model relates to the technical field of sound absorbing boards, in particular to an enamel sound absorbing board.
Background
In recent years, urban street channels (tunnels) and cross-sea tunnels in China are continuously increased, side wall decorative materials are increasingly applied, and particularly, higher requirements on the sound absorption effect of the sound-absorbing plate are provided for U-groove parts, interfaces of U-grooves and hidden sections of the tunnels.
The density of the sound-absorbing material of the plate made of light materials such as common hollow bricks, perlite and the like is low, so that the light weight of the sound-absorbing plate body is low, a certain difficulty exists in mounting and fixing the sound-absorbing plate body, and the appearance of the plate is influenced due to the rough texture of the plate.
Patent CN 206289764U discloses a novel enamel composite sound-absorbing board, the enamel perforated board, composite pinhole aluminum plate and galvanized steel plate in the patent are arranged into two cavity structures through a first galvanized pipe frame and a second galvanized pipe frame, if two cavity structures are wanted to have a certain noise reduction function, the whole sound-absorbing board must have enough thickness, but the board body is too thick and has limitation in installation and use, and the application range is limited; the two cavity structures disclosed by the patent are not provided with materials for noise reduction and noise reduction, the noise reduction and noise reduction effect is quite unsatisfactory, and the sound is easy to generate resonance in the two cavity structures; it is known from the disclosure of this patent that the first galvanized pipe also has the function of supporting the enamel steel plate, but due to the characteristics of the enamel steel plate itself, the collapse easily occurs in the middle position of the enamel steel plate only on both sides of the enamel steel plate.
Disclosure of Invention
In order to solve the problems that in the prior art, the middle part of the enamel steel plate is collapsed due to insufficient support, the acoustic board body is too thick due to the fact that enough space is reserved to meet the requirement of noise reduction of a cavity structure, the application range is limited, noise reduction materials and acoustic materials are not arranged in the enamel acoustic board, and the like, the utility model provides an enamel acoustic board.
The utility model adopts the following technical scheme:
the utility model provides an enamel abatvoix, includes that the edge has the area Kong Tangci steel sheet of turn-up, galvanized bottom plate, and galvanized bottom plate is for the outside shell structure who is provided with the hem all around, still includes foraminiferous backup pad, and the dorsal part of taking Kong Tangci steel sheet passes through aluminium honeycomb core and is connected with foraminiferous backup pad, and foraminiferous backup pad is connected with the hem of galvanized bottom plate, and is provided with between foraminiferous backup pad and the galvanized bottom plate inner chamber and inhale the sound cotton.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the perforated support plate is added between the enamel steel plate and the galvanized bottom plate, the aluminum honeycomb core is filled between the enamel steel plate and the perforated support plate, the sound absorbing cotton is filled between the galvanized bottom plate and the perforated support plate, and the perforated support plate is used for supporting the whole sound absorbing plate and simultaneously supporting the enamel steel plate by utilizing the aluminum honeycomb core, so that the balance weight of the whole sound absorbing plate can be lightened, the middle part of the enamel steel plate can be supported, and the collapse of the enamel steel plate is prevented; and increase aluminium honeycomb core between enameled pressed steel and foraminiferous backup pad, can be better fall the noise to sound and handle, then utilize the sound cotton of inhaling between foraminiferous backup pad and the galvanized bottom board to inhale the sound, the sound effect is better, need not increase the holistic thickness of abatvoix, also can avoid sound to produce resonance in the abatvoix inside.
Further, the utility model adopts the following preferable scheme:
glass fiber cloth is arranged between the steel plate of the belt Kong Tangci and the aluminum honeycomb core, and two sides of the glass fiber cloth are respectively and tightly adhered to the steel plate of the belt Kong Tangci and the aluminum honeycomb core.
The support plate with holes is fixed with the galvanized bottom plate through screws.
The punching rate of the steel plate with Kong Tangci is 12-20%, and the aperture is 6-10mm.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view B-B of FIG. 1;
fig. 3 is an enlarged view of a portion a of fig. 2;
in the figure: band Kong Tangci steel plate 1; a crimp 11; a sound absorbing hole 2; an aluminum honeycomb core 3; a perforated support plate 4; a sound absorbing cotton 5; a galvanized bottom sheet 6; a hem 61; microwells 7.
Description of the embodiments
The utility model is further described below with reference to the drawings and specific examples.
An enamel acoustic panel mainly comprises a steel plate 1 with a Kong Tangci edge 11 at the periphery, a galvanized bottom plate 6, a perforated support plate 4 and the like, wherein acoustic holes 2 are distributed on the surface of the steel plate 1 with Kong Tangci, and micropores 7 are distributed on the surface of the perforated support plate 4.
The galvanized bottom plate 6 is a shell structure with one open end, the periphery of the open end of the galvanized bottom plate 6 is outwards provided with folded edges 61 respectively, and the folded edges 61 around the galvanized bottom plate 6
Is connected and fixed with the support plate 4 with holes through screws.
The aluminum honeycomb core 3 is adhered to the back side of the steel plate 1 of the band Kong Tangci, and the aluminum honeycomb core 3 can play a certain supporting role on the middle part of the steel plate 1 of the band Kong Tangci to prevent the middle part of the steel plate 1 of the band Kong Tangci from collapsing; the periphery of the other side of the aluminum honeycomb core 3 is sealed and bonded with a support plate 4 with holes.
In this embodiment, in order to prevent glue from entering the sound absorption holes 2 when the steel plate 1 of the tape Kong Tangci is bonded with the aluminum honeycomb core 3, a layer of glass fiber cloth is added between the steel plate 1 of the tape Kong Tangci and the aluminum honeycomb core 3, and two sides of the glass fiber cloth are bonded with the steel plate 1 of the tape Kong Tangci and the aluminum honeycomb core 3 respectively.
And sound-absorbing cotton 5 is filled between the support plate 4 with holes and the inner cavity of the galvanized bottom plate 6.
In the embodiment, the support plate 4 with holes is also a galvanized plate with the thickness of 0.5mm; the thickness of the aluminum honeycomb core 3 is 15mm, the thickness of the sound absorbing cotton 5 is 30mm, and the thickness of the galvanized bottom plate 6 is 0.5mm.
In this example, the punching rate of the sound absorbing holes 2 in the surface of the steel plate 1 of the tape Kong Tangci was 15.51%, the hole diameter was 8mm, and the pitch was 18mm.
The steel plate 1 with Kong Tangci, the support plate 4 with holes and the galvanized bottom plate 6 in the enamel acoustic panel form an interlayer, wherein the interlayer is filled with the acoustic cotton 5 through the aluminum honeycomb core 3, noise is reduced through the aluminum honeycomb core 3 after entering the acoustic panel through the acoustic holes 2 on the surface of the steel plate 1 with Kong Tangci, and noise after noise reduction passes through the micropores 7 of the support plate 4 with holes and is subjected to noise reduction treatment through the acoustic cotton 5.
The utility model has good noise reduction and silencing performance, the noise entering the enamel acoustic panel can be rapidly lost by using the aluminum honeycomb core, and the lost noise enters the inner cavity of the galvanized bottom plate to be silenced by the acoustic cotton, so that the noise reduction coefficient of the enamel acoustic panel is greatly enhanced; the enamel acoustic panel is supported by the panel body through the perforated support plate, the aluminum honeycomb core is used for supporting the steel plate with Kong Tangci, and the middle part of the steel plate with Kong Tangci is prevented from collapsing while the integral strength of the enamel acoustic panel is improved; this enamel acoustic panel cancels the amortization cavity among the current structure, increases aluminium honeycomb core and inhales the sound cotton and makes an uproar amortization and handle, prevents to appear resonance phenomenon, can also reduce the holistic thickness of enamel acoustic panel, enlarges the application scope of enamel acoustic panel.
The above is only a specific embodiment of the present utility model, but the present utility model is not limited thereto, and all equivalent changes or substitutions to the technical features of the present utility model, which are conceivable to those skilled in the art, are included in the scope of the present utility model.
Claims (4)
1. An enamel acoustic panel comprising a steel plate with a band Kong Tangci having a curled edge, a galvanized bottom sheet, characterized in that: the galvanized bottom plate is the shell structure with the folds arranged outside all around, and further comprises a perforated support plate, the back side of the band Kong Tangci steel plate is connected with the perforated support plate through an aluminum honeycomb core, the perforated support plate is connected with the folds of the galvanized bottom plate, and sound absorbing cotton is arranged between the perforated support plate and the inner cavity of the galvanized bottom plate.
2. The enamel acoustical panel of claim 1, wherein: glass fiber cloth is arranged between the steel plate of the belt Kong Tangci and the aluminum honeycomb core, and two sides of the glass fiber cloth are respectively and tightly adhered to the steel plate of the belt Kong Tangci and the aluminum honeycomb core.
3. The enamel acoustical panel of claim 1, wherein: the support plate with holes is fixed with the galvanized bottom plate through screws.
4. The enamel acoustical panel of claim 1, wherein: the punching rate of the steel plate with Kong Tangci is 12-20%, and the aperture is 6-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320132904.4U CN219240340U (en) | 2023-02-07 | 2023-02-07 | Enamel acoustic panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320132904.4U CN219240340U (en) | 2023-02-07 | 2023-02-07 | Enamel acoustic panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219240340U true CN219240340U (en) | 2023-06-23 |
Family
ID=86844059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320132904.4U Active CN219240340U (en) | 2023-02-07 | 2023-02-07 | Enamel acoustic panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219240340U (en) |
-
2023
- 2023-02-07 CN CN202320132904.4U patent/CN219240340U/en active Active
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