CN201314084Y - Metallic panel absorber - Google Patents
Metallic panel absorber Download PDFInfo
- Publication number
- CN201314084Y CN201314084Y CNU2008201067704U CN200820106770U CN201314084Y CN 201314084 Y CN201314084 Y CN 201314084Y CN U2008201067704 U CNU2008201067704 U CN U2008201067704U CN 200820106770 U CN200820106770 U CN 200820106770U CN 201314084 Y CN201314084 Y CN 201314084Y
- Authority
- CN
- China
- Prior art keywords
- sound absorbing
- pits
- drop
- sound absorption
- noise
- 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.)
- Expired - Fee Related
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
Abstract
The utility model discloses a metallic panel absorber. The surface of a metallic sheet is provided with a plurality of large sound absorbing drop pits in a pressing mode; the large sound absorbing drop pits are communicated by drop channels; a plurality of small sound absorbing drop pits are arranged in gaps between the large sound absorbing drop pits; and the metallic sheet is also provided with a plurality of through micropores. Noise sound waves are repeatedly reflected and diffused by the large sound absorbing drop pits, the drop channels, the small sound absorbing drop pits and the through micropores to be dispersed and consume energy in a large amount, the noise is obviously attenuated; and the test proves that the sound absorbing coefficient is 0.8, so the effects of sound attenuation and noise reduction are particularly ideal. The metallic panel absorber is an improvement on the quality of the prior art.
Description
Technical field
The utility model relates to a kind of metal acoustical board that is used to abate the noise.
Background technology
At present, the acoustical board used of architectural absorption noise roughly has three types: wooden, fine material system, metal material system.Be on acoustical board, to be provided with micropore mostly to play the effect of sound absorption reduction.Wooden, fine material products acoustical board exists the defective of matter weight, waterproof, fireproof performance difference.Especially when public's polymerization occasion is used, can also play combustion-supporting, illeffects such as release is poisonous, pernicious gas to water, the fire evil that happens suddenly.The metal acoustical board only pierces the hole series products, and sound absorbing capabilities is poor.Sound absorption coefficient is at 0.2-0.4, and Unit Weight is big, and acoustically effective is undesirable.
Summary of the invention
The purpose of this utility model provides significantly metal acoustical board of a kind of waterproof, fireproof performance height, sound absorption audio fruit.
The purpose of this utility model is finished by following proposal:
A kind of metal acoustical board is characterized in that, is shaped on a plurality of big sound absorption pits in the surface pressure of metal sheet roof covering, and absorbing sound greatly is connected by recessed road between pit, also is provided with a plurality of little sound absorption pits in the gap of big sound absorption pit.
As a kind of improvement of the present utility model, on described metal sheet roof covering, also be provided with numerous micropores that pierces.
The beneficial effects of the utility model are: big sound absorption pit, recessed road, the little sound absorption pit of noise sound wave on the metal acoustical board, pierce repeatedly reflection of micropore, diffusion and a large amount of dispersion, consumed energies, sound attenuation is very obvious, through the test of national building engineering quality supervision inspection center, sound absorption coefficient is 0.8.So the sound-deadening and noise-reducing effect is very good.It is improvement to a matter of prior art.
Description of drawings
Fig. 1 is a kind of metal acoustical board structure, organigram.
Among the figure: 1. big sound absorption pit, 2. little sound absorption pit 3. pierces micropore, 4. recessed road.
The specific embodiment
A kind of metal acoustical board, surface pressure at metal sheet roof covering is shaped on a plurality of big sound absorption pits (1), be connected by recessed road (4) between big sound absorption pit (1), gap at big sound absorption pit (1) also is provided with a plurality of little sound absorption pits (2), also is provided with numerous micropores (3) that pierce on described metal sheet roof covering.
Claims (2)
1, a kind of metal acoustical board is characterized in that, is shaped on a plurality of big sound absorption pits in the surface pressure of metal sheet roof covering, and absorbing sound greatly is connected by recessed road between pit, also is provided with a plurality of little sound absorption pits in the gap of big sound absorption pit.
2, a kind of metal acoustical board according to claim 1 is characterized in that, also is provided with numerous micropores that pierces on described metal sheet roof covering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201067704U CN201314084Y (en) | 2008-11-17 | 2008-11-17 | Metallic panel absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201067704U CN201314084Y (en) | 2008-11-17 | 2008-11-17 | Metallic panel absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201314084Y true CN201314084Y (en) | 2009-09-23 |
Family
ID=41125877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201067704U Expired - Fee Related CN201314084Y (en) | 2008-11-17 | 2008-11-17 | Metallic panel absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201314084Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429012A (en) * | 2015-11-06 | 2016-03-23 | 国网吉林省电力有限公司电力科学研究院 | Noise reduction device for reducing low-frequency noises of transformer station based on foam aluminium alloy |
| CN106757024A (en) * | 2016-12-01 | 2017-05-31 | 辽宁融达新材料科技有限公司 | A kind of slit sound-absorbing board fabrication method |
| EP3486744A1 (en) * | 2017-11-17 | 2019-05-22 | Quanta Computer Inc. | Aerodynamic airborne noise absorber module |
-
2008
- 2008-11-17 CN CNU2008201067704U patent/CN201314084Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429012A (en) * | 2015-11-06 | 2016-03-23 | 国网吉林省电力有限公司电力科学研究院 | Noise reduction device for reducing low-frequency noises of transformer station based on foam aluminium alloy |
| CN106757024A (en) * | 2016-12-01 | 2017-05-31 | 辽宁融达新材料科技有限公司 | A kind of slit sound-absorbing board fabrication method |
| EP3486744A1 (en) * | 2017-11-17 | 2019-05-22 | Quanta Computer Inc. | Aerodynamic airborne noise absorber module |
| TWI692292B (en) * | 2017-11-17 | 2020-04-21 | 廣達電腦股份有限公司 | Aerodynamic airborne noise absorber apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090923 Termination date: 20121117 |