CN201134246Y - Ultramicro drilled noise absorbing film - Google Patents
Ultramicro drilled noise absorbing film Download PDFInfo
- Publication number
- CN201134246Y CN201134246Y CNU2007201300032U CN200720130003U CN201134246Y CN 201134246 Y CN201134246 Y CN 201134246Y CN U2007201300032 U CNU2007201300032 U CN U2007201300032U CN 200720130003 U CN200720130003 U CN 200720130003U CN 201134246 Y CN201134246 Y CN 201134246Y
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- Prior art keywords
- sound
- sound absorbing
- micropunch
- utility
- model
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- Expired - Lifetime
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- 239000000463 material Substances 0.000 claims abstract description 37
- 210000004379 membrane Anatomy 0.000 claims description 26
- 239000012528 membrane Substances 0.000 claims description 26
- 210000002469 basement membrane Anatomy 0.000 claims description 13
- 238000005516 engineering process Methods 0.000 claims description 5
- 229920000515 polycarbonate Polymers 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 4
- 229920002521 macromolecule Polymers 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 239000004425 Makrolon Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 22
- 230000002265 prevention Effects 0.000 abstract description 9
- 229910052755 nonmetal Inorganic materials 0.000 abstract description 3
- 230000032683 aging Effects 0.000 abstract 1
- 238000011086 high cleaning Methods 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- 239000010408 film Substances 0.000 description 5
- 238000004080 punching Methods 0.000 description 5
- 239000006096 absorbing agent Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000004417 polycarbonate Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 229920006289 polycarbonate film Polymers 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Abstract
The utility model discloses a super micropunch sound absorption film, which comprises a base film and a super micropunch which is arranged on the base film, the thickness range of the base film is between 0.05 mm and 0.3mm, and the pore-size range of the super micropunch is between 0.05 mm and 0.3mm. The utility model retards flame, is capable of effectively absorbing sound and is made by nonmetal transparent or opaque materials, based on the superior acoustic performance of a resonance sound absorption structure of an original micropunch plate, the absorption coefficient of the sound absorption film and the width of a sound absorption frequency band have a new improvement, and the cost price of the materials is greatly reduced. The utility model is capable of meeting the demands that a field needs transparent lighting, high cleaning degree, electrostatic prevention, ultraviolet prevention, aging resistance, moisture proof and fire proof, and the applied range is wide.
Description
Technical field
The utility model belongs to sound absorption environmental protection field, the ultra micro perforation resonance sound-absorbing film of a kind of environmental protection specifically.
Background technology
The microperforated panel resonance sound-absorbing structure has been obtained good acoustically effective in practice for many years, most of sound absorbing member of past is to be made by the metal microperforated panel, though in recent years along with increasing to nonmetal microperforated panel exploitation dynamics, the research and development success of especially transparent Micropunch Acoustic Board is also used, solved the problem that some occasions need be installed transparent microperforated panel sound absorbing member, but because the sheet material that transparent Micropunch Acoustic Board adopts is thicker, material is again transparent polycarbonate material, its price is higher, is difficult to extensively promote in market.
Summary of the invention
The purpose of this utility model provides a kind of ultra micro perforation sound absorbing membrane.This ultra micro perforation sound absorbing membrane is made by the fire-retardant nonmetallic materials that can effectively absorb sound again, it has not only inherited metal and the superior sound absorbing capabilities of nonmetal microperforated panel, but also possess advantages such as transparent or opaque, in light weight, low price, be applicable to comparison humidity, the demanding place of degree of purification.The utility model can be made into the inner used acoustic absorbant of sound absorbing member, sound barrier and sound insulating structure of all kinds of suspended absorbers, different shape, can satisfy the requirement of on-the-spot daylighting, fire protection flame retarding, electrostatic prevention and antiultraviolet simultaneously.And the utility model material surface has adopted nanometer technology, make material surface itself oneself possess corresponding purification function, effectively remove the spot and the dust of material surface.
The purpose of this utility model is achieved through the following technical solutions:
A kind of ultra micro perforation sound absorbing membrane is characterized in that: it comprises basement membrane and is arranged on this epilamellar ultra micro perforation that the thickness range of described basement membrane is between 0.05～0.3mm; The pore diameter range of ultra micro perforation is between 0.05～0.3mm.
Basement membrane described in the utility model is made by transparent or opaque makrolon material, or is made by transparent or opaque macromolecule nonmetallic materials.
The surface of described basement membrane is processed into by the nanometer technology that can effectively remove spot and dust.
The utility model can be according to the difference of use occasion, the base material of fire-protection rating such as selects not fire or fire-retardant respectively; Can apply on outdoor sound barrier, indoor sound barrier or the glass curtain wall; Can select for use transparent or opaque.
The utility model adopts numerical control press and is equipped with special-purpose mould, by processing under the computer control system control.Sound absorbing membrane can be made suspended absorber, sound absorbing member, full-frequency sound absorption material, also can be made into sound barrier, the isostructural acoustic absorbant of sound insulating structure;
The utility model can be applied to comparison humidity, occasion that degree of purification is high, can satisfy the requirement of on-the-spot transparent daylighting, fire prevention, electrostatic prevention, self-cleaning and antiultraviolet.
The utility model on transparency polycarbonate film or other macromolecule nonmetallic materials by regularity of distribution punching out a certain size, the ultramicropore of some, make transparent or opaque nonmetallic materials ultra micro perforation sound absorbing membrane.Sound absorbing membrane is selected material, aperture, percentage of perforation, the use number of plies of different-thickness, reaches to regulate its acoustically effective of control.
Nonmetallic materials ultramicropore sound absorbing membrane must pass through Theoretical Calculation when determining the thickness of material, aperture, percentage of perforation and the use number of plies.Can adopt " micropunch resonance sound-absorbing coefficient calculations software " simulation of Nanjing ChangRong noise control Environment Protection Engineering Co., Ltd,, determine the machined parameters that rational sound absorbing membrane is required at the different situation of sound field frequency.
Compared with prior art, the utlity model has following advantage:
1. utilize polycarbonate and other macromolecular material favorable mechanical processing characteristics, adjust material thickness or parameters such as punching aperture and percentage of perforation, can significantly improve the sound absorbing membrane sound absorbing capabilities;
2. except that the advantage that has kept the microperforated panel resonance sound-absorbing structure, the acoustical behavior of ultramicropore sound absorbing membrane increases again.
3. utilize the advantage of good mechanical and physical performance of its material and anti-creep, the sound absorption member of making is not yielding, structural strength is high
4. according to the difference of use occasion, the ultramicropore sound absorbing membrane can satisfy the requirement of on-the-spot transparent daylighting, protection against the tide, fire prevention, electrostatic prevention, self-cleaning and antiultraviolet;
5. cleaning, pollution-free to human body is applicable to the demanding occasion of degree of purification;
6. in light weight, transportation and use are all very convenient.
7. the ultramicropore sound absorbing membrane is compared with acoustic board, descends because the weight of its materials used has had significantly, and its Costco Wholesale has obtained effective control, and sound absorbing capabilities is enhanced, the cost performance height.
The utility model can be used for improving in indoor tone quality and the control of other noise because of its excellent characteristics.
1. as the starting material of sound absorbing member, be made into sound absorbing member after indoor use, the effective acoustic energy in the absorption chamber, shorten room sound field reverberation time, reduce the room noise sound pressure level, reach the indoor hearsay condition of improving;
2. the ultramicropore sound absorbing membrane is not only because characteristics such as its light weight, transparency height, protection against the tide, fire prevention, electrostatic prevention, self-cleaning and antiultraviolets, can replace traditional acoustic absorbant in a large number, can be widely used in large public building, purification is arranged, transparent daylighting, weight requires places such as light.
In lightweight sound absorption structure or the inside surface of acoustic hood as sound absorption material section, the insertion loss that improves the sound absorption member is very helpful;
4. the acoustic absorbant that is used for the indoor and outdoor sound absorbing-insulating barrier can improve the acoustic efficiency of sound barrier.
5. as the acoustic absorbant of full-frequency sound absorption component, the sound absorbing member of making can all have goodish acoustically effective at very wide frequency band.
6. material surface has adopted nanometer technology, thus material surface itself oneself possess corresponding purification function, can effectively remove the spot and the dust of material surface.
Description of drawings
Accompanying drawing is a synoptic diagram of the present utility model.
Five, embodiment
A kind of ultra micro perforation sound absorbing membrane described in the utility model comprises basement membrane 1 and the ultra micro perforation 2 that is arranged on this basement membrane 1, and the thickness range of basement membrane 1 is between 0.05～0.3mm; The pore diameter range of ultra micro perforation 2 is between 0.05～0.3mm.
During making, on polycarbonate or macromolecule nonmetallic materials on request regularity of distribution punching out a certain size, the ultramicropore of some.The ultramicropore sound absorbing membrane is selected material, aperture, percentage of perforation, the use number of plies of different-thickness, adjusts the width of sound sucting band or adapts to noise abatement under the various varying environments.
The manufacture craft of ultramicropore sound absorbing membrane described in the utility model is as follows:
1. at different situations such as sound field frequency and mounting conditions, use " micropunch resonance sound-absorbing coefficient calculations software " theoretical modeling of Nanjing ChangRong noise control Environment Protection Engineering Co., Ltd, determine the technical parameters such as material thickness, aperture, percentage of perforation and the use number of plies of ultramicropore sound absorbing membrane to be processed.
2. determine the correlation technique requirement of transparency, antiultraviolet, protection against the tide and the fire-protection rating of the selection of material according to different use occasions and request for utilization;
3. calculate parameters such as resulting material thickness, aperture, percentage of perforation according to software simulation, and the requirement of the selection of material, design the structure composition etc. of ultramicropore sound absorbing membrane to be processed and sound absorbing member, full-frequency sound absorption material, suspended absorber and produce drawing;
4. the required punching die structural drawings of design sound absorbing membrane is made punch die up and down, disposes anchor clamps, selects the numerical control impact machine of certain power tonnage, the establishment processing process;
5. on numerical control press, finish the punching of ultramicropore sound absorbing membrane, finish the conveying of material by autoloader.
6. numerical control press and automatic feed mechanism are finished control by computer control system.According to designed drawing machining programming input computer control system, then by the computing machine issuing command, numerical control press and automatic feed mechanism are finished processing tasks.
On the autoloader surface and all the hard position that contacts is arranged adding man-hour and ultramicropore sound absorption film, all need to protect.Prevent to add man-hour, the scuffing of ultramicropore sound absorption thin-film material surface, it is even to add man-hour cloth hole, and phenomenons such as blind hole can not be arranged.
8. ultramicropore sound absorption film being carried out nano surface handles.
9. the ultramicropore sound absorbing membrane after machining continues to finish the reprocessing of product according to the structural drawings of forming sound absorbing member, suspended absorber, full-frequency sound absorption.
Chinese Academy of Sciences's acoustics the detection effect show: the acoustics acoustical absorption coefficient of ultra micro perforation resonance sound-absorbing film has reached more superior performance.
Concrete parameter sees the following form:
| Frequency (Hz) | 100 | 125 | 160 | 200 | 250 | 315 | 400 | 500 | 630 |
| Acoustical absorption coefficient | 0.25 | 0.35 | 0.39 | 0.75 | 0.90 | 0.91 | 1.03 | 0.95 | 0.87 |
| Frequency (Hz) | 800 | 1000 | 1250 | 1600 | 2000 | 2500 | 3150 | 4000 | 5000 |
| Acoustical absorption coefficient | 0.77 | 0.77 | 0.75 | 0.88 | 0.84 | 0.77 | 0.69 | 0.67 | 0.67 |
Detecting conclusion is the acoustics acoustical absorption coefficient NRC=0.86 of ultra micro perforation resonance sound-absorbing film.
Claims (4)
1, a kind of ultra micro perforation sound absorbing membrane is characterized in that: it comprises basement membrane (1) and the ultra micro that is arranged on this basement membrane (1) is bored a hole (2), and the thickness range of described basement membrane (1) is between 0.05～0.3mm; The pore diameter range of ultra micro perforation (2) is between 0.05～0.3mm.
2, ultra micro perforation sound absorbing membrane according to claim 1, it is characterized in that: described basement membrane (1) is made by transparent or opaque makrolon material.
3, ultra micro perforation sound absorbing membrane according to claim 1, it is characterized in that: described basement membrane (1) is made by transparent or opaque macromolecule nonmetallic materials.
4, ultra micro perforation sound absorbing membrane according to claim 1, it is characterized in that: the surface of described basement membrane (1) is processed into by the nanometer technology that can effectively remove spot and dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201300032U CN201134246Y (en) | 2007-12-28 | 2007-12-28 | Ultramicro drilled noise absorbing film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201300032U CN201134246Y (en) | 2007-12-28 | 2007-12-28 | Ultramicro drilled noise absorbing film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201134246Y true CN201134246Y (en) | 2008-10-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201300032U Expired - Lifetime CN201134246Y (en) | 2007-12-28 | 2007-12-28 | Ultramicro drilled noise absorbing film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201134246Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643747A (en) * | 2013-12-18 | 2014-03-19 | 南京常荣噪声控制环保工程有限公司 | Metal ultramicropore sound absorption tab |
| CN107246234A (en) * | 2017-07-13 | 2017-10-13 | 北京市劳动保护科学研究所 | A kind of mantle sound absorption curtain |
| CN109130340A (en) * | 2018-07-20 | 2019-01-04 | 无锡吉兴汽车声学部件科技有限公司 | A kind of absorbing sound and lowering noise decorative panel and its preparation method and application |
| CN109940952A (en) * | 2017-12-21 | 2019-06-28 | 长城汽车股份有限公司 | The forming method of carpet blanket base, carpet for automobile assembly and carpet blanket base |
| CN110241935A (en) * | 2019-05-20 | 2019-09-17 | 吉林大学 | A kind of film holed technique plate and its preparation method and application |
| CN111016816A (en) * | 2019-12-31 | 2020-04-17 | 浙江华江科技股份有限公司 | Flow resistance controllable high-sound-absorption bottom guard plate porous sound-absorption plate for vehicle and preparation method thereof |
-
2007
- 2007-12-28 CN CNU2007201300032U patent/CN201134246Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643747A (en) * | 2013-12-18 | 2014-03-19 | 南京常荣噪声控制环保工程有限公司 | Metal ultramicropore sound absorption tab |
| CN107246234A (en) * | 2017-07-13 | 2017-10-13 | 北京市劳动保护科学研究所 | A kind of mantle sound absorption curtain |
| CN109940952A (en) * | 2017-12-21 | 2019-06-28 | 长城汽车股份有限公司 | The forming method of carpet blanket base, carpet for automobile assembly and carpet blanket base |
| CN109130340A (en) * | 2018-07-20 | 2019-01-04 | 无锡吉兴汽车声学部件科技有限公司 | A kind of absorbing sound and lowering noise decorative panel and its preparation method and application |
| CN110241935A (en) * | 2019-05-20 | 2019-09-17 | 吉林大学 | A kind of film holed technique plate and its preparation method and application |
| CN111016816A (en) * | 2019-12-31 | 2020-04-17 | 浙江华江科技股份有限公司 | Flow resistance controllable high-sound-absorption bottom guard plate porous sound-absorption plate for vehicle and preparation method thereof |
| CN111016816B (en) * | 2019-12-31 | 2022-03-29 | 浙江华江科技股份有限公司 | Flow resistance controllable high-sound-absorption bottom guard plate porous sound-absorption plate for vehicle and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Changrong Environmental & Acousitc Engineering Co., Ltd. Assignor: Zhang Rongchu Contract record no.: 2011320000138 Denomination of utility model: Ultramicro drilled noise absorbing film Granted publication date: 20081015 License type: Exclusive License Record date: 20110303 |
|
| ASS | Succession or assignment of patent right |
Owner name: NANJING CHANGRONG ACOUSTIC CO., LTD. Free format text: FORMER OWNER: ZHANG RONGCHU Effective date: 20150106 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150106 Address after: Zhongshan Road Huijie square No. 268 Nanjing 210008 Jiangsu 1309 Patentee after: NANJING CHANGRONG ACOUSTIC CO., LTD. Address before: Zhongshan Road Huijie square No. 268 Nanjing, Jiangsu province 210008 room 1309 Patentee before: Zhang Rongchu |
|
| DD01 | Delivery of document by public notice |
Addressee: Chen Yang Document name: Notification of Passing Examination on Formalities |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081015 |
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| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: NANJING CHANGRONG ACOUSTIC CO., LTD. Document name: Notification of Expiration of Patent Right Duration |
|
| DD01 | Delivery of document by public notice |