CN206097917U - Micropunch abatvoix - Google Patents
Micropunch abatvoix Download PDFInfo
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- CN206097917U CN206097917U CN201620969098.6U CN201620969098U CN206097917U CN 206097917 U CN206097917 U CN 206097917U CN 201620969098 U CN201620969098 U CN 201620969098U CN 206097917 U CN206097917 U CN 206097917U
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- micropunch
- plate body
- abatvoix
- sound channel
- abatvoix according
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Abstract
The utility model relates to a micropunch abatvoix, its package rubbing board body (1), be provided with micropunch (2) evenly arranged on plate body (1), its characterized in that micropunch (2) slant is arranged, forms stop part (3) at the back of micropunch (2), leaves between stop part (3) and micropunch (2) clearance (4), and clearance (4) form sound channel with micropunch (2) combination. The utility model discloses micropunch abatvoix has the cooperation of need not and inhales sound paper, advantage that absorbing effect is good.
Description
Technical field
The utility model is related to a kind of micropunch abatvoix.
Background technology
The penetration hole diameter of common perforated plate is controlled to below 1mm, microperforated panel is formed.Now, microperforated panel
Inherently there is enough acoustic resistances, while with sufficiently low mass reactance, broadband sound absorber is formed, without addition
Any porous material.With the development and raising of material and perforation process technology, and wideband, efficiently, cleaning, the sound absorption of environmental protection
Feature, microperforated panel soundabsorbing construction is widely used in the metope and top surface in numerous places are fitted up.
Microperforated panel is considered as a large amount of micro-pipes（Micropunch）Parallel connection, each micropunch is a very thin short tube,
When pitch of holes is more much larger than aperture, it will be assumed that the characteristic in each hole is independent of each other, the acoustic impedance of microperforated panel is simply equal to single hole
Acoustic impedance divided by hole quantity.When sound wave is propagated in pipe, it is considered to the impact of viscosity, particle the shaking vertically on tube wall
Dynamic speed is zero, and vibration velocity on center shaft is maximum, there is velocity step ladder along radial direction in pipe.On the other hand between hole
Away from it is more much smaller than wavelength when, reflection of the plate face to sound wave between hole can also ignore.
" the accurate theoretical and design of porous plate acoustic adsorption device " that Ma Dayou academician 1997 delivers in acoustic journal and
" potentiality of porous plate acoustic adsorption device " academic article for delivering in Acoustical Society of America's magazine for 1998, it is indicated that by penetration hole diameter
Further reduce, the broader sound absorber of sound sucting band can be obtained.By micropunch bring into the ultramicropore epoch can represent its suction
Receive the frightened human potential of performance.
Micropunch abatvoix in the market can only accomplish the aperture of 0.7mm, and hole is the straight hole perpendicular to plate face, directly
Hole effect during sound-absorbing is poor, encloses sound absorbing paper at the back side of this micropunch abatvoix and can be only achieved preferable sound-absorbing effect
Really.
The content of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, there is provided one kind need not coordinate sound absorbing paper, and sound-absorbing effect is good
Micropunch abatvoix.
What the purpose of this utility model was realized in：
A kind of micropunch abatvoix, it includes plate body, the micropunch being evenly arranged is provided with the plate body, and its feature exists
It is diagonally disposed in the micropunch, stop part is formed at the back side of micropunch, gap, gap are left between stop part and micropunch
Combine to form sound channel with micropunch.
Sound channel is 0-45 degree in the angle of the back side exit of plate body and plate body.
The aperture of micropunch is 0.1-0.2mm, and the pitch-row of micropunch is 2.2mm.
The plate body is aluminium alloy or galvanized steel.
Plate body thickness is 0.8-1mm.
The surface of the plate body is provided with decorative layer.
Decorative layer is the pre- roller coat of polyester, polyester spraying, electrostatic powder coating, coated by high-molecular film or anode oxide film.
The vertical cross-section of sound channel is isosceles triangle, isosceles trapezoid or semicircle.
Compared with prior art, the beneficial effects of the utility model are：
The utility model is diagonally disposed due to micropunch, and the portion of being blocked is carried out during sound wave is transmitted in sound channel
Stop, reduce intensity through multiple reflections, some can also be by plate body finally the gap from the close plate body back side out
The back side carries out absorption reflection, so as to preferably improve sound-absorbing effect.Therefore have need not for the utility model micropunch abatvoix
Coordinate sound absorbing paper, the good advantage of sound-absorbing effect.
Description of the drawings
Fig. 1 is the structural representation of the utility model micropunch abatvoix.
Fig. 2 is the rearview of embodiment 1.
Fig. 3 is the rearview at a micropunch in Fig. 2.
Fig. 4 is the A-A sectional views of Fig. 3.
Fig. 5 is the rearview of embodiment 2.
Fig. 6 is the rearview at a micropunch in Fig. 5.
Fig. 7 is the B-B sectional views of Fig. 6.
Fig. 8 is the rearview of embodiment 3.
Fig. 9 is the rearview at a micropunch in Fig. 8.
Figure 10 is the C-C sectional views of Fig. 9.
Wherein：
Plate body 1, micropunch 2, stop part 3, gap 4.
Specific embodiment
Referring to Fig. 1, a kind of micropunch abatvoix that the utility model is related to, it includes plate body 1, and the plate body 1 is aluminium conjunction
Gold or galvanized steel, the thickness of plate body 1 is 0.8-1mm, and the surface of the plate body 1 is provided with decorative layer, and decorative layer is the pre- roller of polyester
Painting, polyester spraying, electrostatic powder coating, coated by high-molecular film, anode oxide film etc..Decorative layer can using multiple color and
Wood grain, dermatoglyph, metal texture etc..The micropunch 2 being evenly arranged is provided with the plate body 1, the aperture of micropunch 2 is 0.1-
0.2mm, the pitch-row of micropunch 2 is 2.2mm, and the punching rate of micropunch 2 is 3.5%.The acoustic absorptivity scope of micropunch abatvoix is
NRC0.52-0.9。
The micropunch 2 is diagonally disposed, and micropunch 2 is molded by mould and is formed, at the back side of micropunch 2 due to molding
Stop part 3 is formed, stop part 3 is also diagonally disposed, and gap 4 is left between stop part 3 and micropunch 2, and gap is combined with micropunch 2
Sound channel is formed, sound channel is 0-45 degree in the angle of the back side exit of plate body 1 and plate body 1.
Embodiment 1,
Referring to Fig. 2-Fig. 4, the vertical cross-section of sound channel is isosceles triangle.
Embodiment 2,
Referring to Fig. 5-Fig. 7, the vertical cross-section of sound channel is isosceles trapezoid.
Embodiment 3,
Referring to Fig. 8-Figure 10, the vertical cross-section of sound channel is semicircle.
Because micropunch is diagonally disposed, the portion of being blocked is stopped during sound wave is transmitted in sound channel, is passed through
Multiple reflections reduce intensity, and, some can also be carried out by the plate body back side finally the gap from the close plate body back side out
Reflection is absorbed, so as to preferably improve sound-absorbing effect.
Claims (8)
1. a kind of micropunch abatvoix, it includes plate body（1）, the plate body（1）On be provided with the micropunch being evenly arranged（2）,
It is characterized in that the micropunch（2）It is diagonally disposed, in micropunch（2）The back side formed stop part（3）, stop part（3）With it is micro-
Perforation（2）Between leave gap（4）, gap（4）With micropunch（2）Combination forms sound channel.
2. a kind of micropunch abatvoix according to claim 1, it is characterised in that sound channel is in plate body（1）The back side go out
Mouthful at and plate body（1）Angle be 0-45 degree.
3. a kind of micropunch abatvoix according to claim 1, it is characterised in that micropunch（2）Aperture be 0.1-
0.2mm, micropunch（2）Pitch-row be 2.2mm.
4. a kind of micropunch abatvoix according to claim 1, it is characterised in that the plate body（1）For aluminium alloy or plating
Zinc steel.
5. a kind of micropunch abatvoix according to claim 1, it is characterised in that plate body（1）Thickness is 0.8-1mm.
6. a kind of micropunch abatvoix according to claim 1, it is characterised in that the plate body（1）Surface be provided with dress
Decorations layer.
7. a kind of micropunch abatvoix according to claim 6, it is characterised in that decorative layer is that the pre- roller coat of polyester, polyester spray
Painting, electrostatic powder coating, coated by high-molecular film or anode oxide film.
8. a kind of micropunch abatvoix according to claim 1, it is characterised in that the vertical cross-section of sound channel is isosceles
Triangle, isosceles trapezoid or semicircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620969098.6U CN206097917U (en) | 2016-08-29 | 2016-08-29 | Micropunch abatvoix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620969098.6U CN206097917U (en) | 2016-08-29 | 2016-08-29 | Micropunch abatvoix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206097917U true CN206097917U (en) | 2017-04-12 |
Family
ID=58474197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620969098.6U Active CN206097917U (en) | 2016-08-29 | 2016-08-29 | Micropunch abatvoix |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206097917U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128446A (en) * | 2016-08-29 | 2016-11-16 | 江苏标榜装饰新材料股份有限公司 | Micropunch abatvoix |
| CN109518822A (en) * | 2018-11-26 | 2019-03-26 | 江苏标榜装饰新材料股份有限公司 | Micropore abatvoix |
-
2016
- 2016-08-29 CN CN201620969098.6U patent/CN206097917U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128446A (en) * | 2016-08-29 | 2016-11-16 | 江苏标榜装饰新材料股份有限公司 | Micropunch abatvoix |
| CN109518822A (en) * | 2018-11-26 | 2019-03-26 | 江苏标榜装饰新材料股份有限公司 | Micropore abatvoix |
| CN109518822B (en) * | 2018-11-26 | 2023-12-08 | 江苏标榜装饰新材料股份有限公司 | Micropore sound absorbing plate |
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| GR01 | Patent grant |