CN205334956U - Impedance compound acoustical panel in hole that declines - Google Patents
Impedance compound acoustical panel in hole that declines Download PDFInfo
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- CN205334956U CN205334956U CN201620014856.9U CN201620014856U CN205334956U CN 205334956 U CN205334956 U CN 205334956U CN 201620014856 U CN201620014856 U CN 201620014856U CN 205334956 U CN205334956 U CN 205334956U
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Abstract
The utility model belongs to the technical field of amortization panel, the micropore composite forming acoustical panel of a concretely relates to impedance formula, concrete technical scheme does: impedance compound acoustical panel in hole that declines, this product use the aluminum plate that punches a hole as the veneer, to dwindle the outer propagation passageway of wave direction, and the part that the sound wave touched the face has better noise cancelling effect to inside space reflection, this layer of centering, low frequency noise, touch mesh sound wave partly and see through inside the finish coat enters into the acoustical panel, sound wave and the contact of acupuncture baffle blanket, the vibration of sound wave obtains the buffering bounce -back to the sound wave of coming with follow -up propagation carries out reverse damping, and the sound wave has obtained great decay here, and this layer obvious to noise cancelling effect high, the intermediate frequency noise, the sound wave that sees through hindering nature layer gets into the micropore and inhales the cotton layer of sound, and the micropore is inhaled the cotton layer of sound and is divided the minor anechoic room of no several into, and sound absorption efficiency has been improved in little aperture, the product adopts the shaping of steel sheet shell at last, and the inboard brush damping dope layer of steel sheet carries out whole sound insulation and handles.
Description
Technical field
This utility model belongs to noise reduction sheet material technical field, is specifically related to the micropore composite molding acoustical panel of a kind of impedance type。
Background technology
Chemical plant, colliery, coal bed gas gas gathering station etc. produce the pneumatic noise in the electromagnetic noise of generation in mechanical noise that the running devices such as the compressor in district, pump and blower fan produce in running, motor operation course and fan operation process, it is overlapped mutually, noise is with air-flow and natural wind direction periphery diffusion, the long-time staff in this region can be caused hearing impairment, affect healthy, surrounding enviroment and resident are affected greatly。
Utility model content
For solving the technical problem that prior art exists, this utility model provides a kind of brand-new acoustical panel, using punching aluminium sheet as facing, utilizes resistant noise-reducing principle, devises a kind of compound acoustical panel。
For achieving the above object, the technical scheme that this utility model adopts is: impedance type micropore composite noise-absorbing plate, including damping layer, the side of damping layer has been sequentially arranged the first fiberglass cloth, micropore acoustical cotton layer, the second fiberglass cloth, acupuncture chemical fibre sound-absorbing carpet veneer, zinc-coated wire stratum reticulare and punching aluminium sheet, punching aluminium sheet is placed in outermost layer, the opposite side of damping layer is provided with steel plate, the first anti-corrosive primer layer it is folded with between steel plate and damping layer, the outer layer of steel plate is coated with the second anti-corrosive primer layer, and the outer layer of the second anti-corrosive primer layer is coated with top coat layer。
The material of steel plate is Q235 steel。
The periphery of punching aluminium sheet is fixed by multiple rivets。
The beneficial effects of the utility model are:
1., with the compound silencing cotton that sound-absorbing material is effective in impedance type micropore acoustical panel of the present utility model, effectively the noise of surrounding can be carried out sound-deadening and noise-reducing。
2. impedance type micropore acoustical panel is mainly used in the sound-deadening and noise-reducing of the running devices such as the compressor in the production district such as chemical industry, colliery, pump。
3. acoustical panel material therefor all adopts refractory material, and the acoustical panel of molding has the characteristic such as environmental protection, fire-resistant, waterproof。
4. acoustical panel good looking appearance is generous, and processing technology exquisiteness, easy transportation and installation, cost are low, long service life。
Accompanying drawing explanation
Fig. 1 is the outside sheet material layout of this utility model damping layer。
Fig. 2 is internal structure schematic diagram of the present utility model。
Fig. 3 is the partial enlarged drawing at A place in Fig. 2。
Fig. 4 is the partial enlarged drawing at B place in Fig. 2。
In figure, 1 is punching aluminium sheet, and 2 is zinc-coated wire stratum reticulare, and 3 is acupuncture chemical fibre sound-absorbing carpet veneer, 4 is the second fiberglass cloth, and 5 is micropore acoustical cotton layer, and 6 is the first fiberglass cloth, and 7 is damping layer, 8 is the first anti-corrosive primer layer, and 9 is steel plate, and 10 is the second anti-corrosive primer layer, and 11 is top coat layer。
Detailed description of the invention
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, this utility model is further elaborated。Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model。
As Figure 1-4, impedance type micropore composite noise-absorbing plate, including damping layer 7, the side of damping layer 7 has been sequentially arranged the first fiberglass cloth 6, micropore acoustical cotton layer the 5, second fiberglass cloth 4, acupuncture chemical fibre sound-absorbing carpet veneer 3, zinc-coated wire stratum reticulare 2 and punching aluminium sheet 1, punching aluminium sheet 1 is placed in outermost layer, the opposite side of damping layer 7 is provided with steel plate 9, the first anti-corrosive primer layer 8 it is folded with between steel plate 9 and damping layer 7, the outer layer of steel plate 9 is coated with the second anti-corrosive primer layer 10, and the outer layer of the second anti-corrosive primer layer 10 is coated with top coat layer 11。
This product is with punching aluminium sheet 1 facing, with resistant noise-reducing for principle, changes route of transmission, reduces the propagation ducts that sound wave is outside, and acoustic wave touch is to the part internally space reflection in plate face, and this layer of centering, low frequency noise have good erasure effect；The sound wave touching mesh-portion enters into inside acoustical panel through finish coat, by resistive noise reduction principle, sound wave contacts with acupuncture baffle blanket, baffle blanket quality is soft, the vibration of sound wave obtains buffering and rebound, and the sound wave come with subsequent propagation carries out reverse vibration damping, sound wave obtains bigger decay at this, and this layer is obvious to erasure effect high, intermediate frequency noise；Sound wave through resistive layer enters micropore acoustical cotton layer 5, micropore acoustical cotton layer 5 is divided into numerous small anechoic chamber, and in each anechoic chamber, produce resonance and reduce amplitude, offset energy, little aperture improves sound absorption usefulness, and porosity adds the width of sound sucting band；Product finally adopts the outer casing forming of steel plate 9, steel plate 9 inner side brush damping coating layer, carries out overall sound insulation and processes。
The multiple noise reduction principle composite molding of this product utilization, can effectively be administered high, medium and low frequency noise, and intensity is high, applied range；Shaping mould massing, convenient transportation, install simple, safeguard few, long service life；Employing fire proofing makes, and meets the higher occasion of fire protection requirement and uses。
Impedance type micropore composite silencing plate machine-shaping, can directly install and use, impedance type micropore composite silencing plate shell adopts A3 steel plate 9 flanging to form, A3 steel plate 9 has high intensity, easily decoration, the feature of easy machine-shaping, middle employing band iron is strengthened, the acoustical panel of the larger area reinforcement not flexible type by band iron, enclosure brush damping layer 7, internal quieter material adopts high efficiency composition silencing cotton, the hardness of silencing cotton is determined by noise intensity and the governance standard of source strength around, with ultra-fine fibre glass cloth, compound silencing cotton is wrapped up, after the bag acupuncture chemical fibre sound-absorbing carpet veneer 3 again of outside, load in acoustical panel shell；Adopting galvanized steel wire netting to make support frame, outside employing punching noise reduction aluminum plate facing, periphery adopts rivet to fix。
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent replacement and improvement etc. made within spirit of the present utility model and principle, all should wrap within the scope of this utility model。
Claims (3)
1. impedance type micropore composite noise-absorbing plate, it is characterized in that, including damping layer (7), the side of described damping layer (7) has been sequentially arranged the first fiberglass cloth (6), micropore acoustical cotton layer (5), second fiberglass cloth (4), acupuncture chemical fibre sound-absorbing carpet veneer (3), zinc-coated wire stratum reticulare (2) and punching aluminium sheet (1), punching aluminium sheet (1) is placed in outermost layer, the opposite side of damping layer (7) is provided with steel plate (9), the first anti-corrosive primer layer (8) it is folded with between steel plate (9) and damping layer (7), the outer layer of steel plate (9) is coated with the second anti-corrosive primer layer (10), the outer layer of the second anti-corrosive primer layer (10) is coated with top coat layer (11)。
2. impedance type micropore composite noise-absorbing plate according to claim 1, it is characterised in that the material of described steel plate (9) is Q235 steel。
3. impedance type micropore composite noise-absorbing plate according to claim 2, it is characterised in that the periphery of described punching aluminium sheet (1) is fixed by multiple rivets。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620014856.9U CN205334956U (en) | 2016-01-08 | 2016-01-08 | Impedance compound acoustical panel in hole that declines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620014856.9U CN205334956U (en) | 2016-01-08 | 2016-01-08 | Impedance compound acoustical panel in hole that declines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205334956U true CN205334956U (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620014856.9U Active CN205334956U (en) | 2016-01-08 | 2016-01-08 | Impedance compound acoustical panel in hole that declines |
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| Country | Link |
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| CN (1) | CN205334956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108557528A (en) * | 2018-06-05 | 2018-09-21 | 江苏台钢智能科技发展有限公司 | A kind of adhesive tape cutting machine noise reduction discharging device |
-
2016
- 2016-01-08 CN CN201620014856.9U patent/CN205334956U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108557528A (en) * | 2018-06-05 | 2018-09-21 | 江苏台钢智能科技发展有限公司 | A kind of adhesive tape cutting machine noise reduction discharging device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |