CN202003672U - Honeycomb sound absorption element - Google Patents
Honeycomb sound absorption element Download PDFInfo
- Publication number
- CN202003672U CN202003672U CN2010206549109U CN201020654910U CN202003672U CN 202003672 U CN202003672 U CN 202003672U CN 2010206549109 U CN2010206549109 U CN 2010206549109U CN 201020654910 U CN201020654910 U CN 201020654910U CN 202003672 U CN202003672 U CN 202003672U
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- honeycomb
- film
- acoustic board
- sound absorbing
- board
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Abstract
The utility model discloses a honeycomb sound absorption element, which comprises an upper acoustic panel/film, a lower acoustic panel/film, honeycombs and a fixed keel, wherein the upper acoustic panel/film is arranged on the upper surface of one group of honeycombs, the lower acoustic panel/film is arranged on the lower surface of the group of honeycombs, and the upper acoustic panel/film and the lower acoustic panel/film are connected with the honeycombs through the fixed keel. According to use occasion, the acoustic panels (the acoustic films) can be made of metal materials or nonmetal materials, and can be transparent or nontransparent. The sound absorption structure is suitable for sound absorption in various occasions and sound absorption bodies in various mufflers, in particular for air purification and sound absorption, purification mufflers and control of aerodynamic noise in a state of high speed air flow.
Description
Technical field
The utility model relates to a kind of sound absorbing member, specifically a kind of purification sound absorbing member of forming with honeycomb and acoustic board (film).
Background technology
Present honeycomb product has a lot, and plastic honeycomb, metal material honeycomb, aramid fiber paper wasp nest etc. are arranged, and uses mainly as decorative panel, furniture-plates or ash wall body plate, has solved sound insulation, problem such as heat insulation.
Chinese patent title " acoustic septum cap honeycomb " application number " 200680010732.2 ", its a kind of acoustic construction comprises the honeycomb with the unit that wherein is provided with acoustic septum cap.Acoustic septum cap is formed by sheet of acoustic material and comprises resonator part and flange portion.Flange portion has anchoring surface, will cover when inserting honeycomb during making acoustic construction, and this anchoring surface provides being frictionally engaged of acoustic septum cap to cellular unit.Anchoring surface to acoustic septum cap after lid has inserted cellular unit applies bonding agent to provide permanent bonding.Its acoustical material is placed in and a plurality of positions in the middle of the honeycomb, utilizes aperture and cavity behind on the fiber mesh, forms Helmholtz resonator, thereby reaches the decay of sound.Its patented product adds in the centre of honeycomb the fiber mesh material, utilizes the aperture and the cavity behind of fiber mesh, forms Helmholtz resonator, the structure of metal or nonmetal acoustic board (film) and its composition do not occur.
Chinese patent title " glass magnesium, honeycomb sandwich board " application number " 200710053537.4 ", its a kind of glass magnesium, honeycomb sandwich board belong to the dalle field.This glass magnesium, honeycomb sandwich board are made of cellular sandwich layer, bottom and surface layer, and cellular sandwich is placed between bottom and the surface layer, and bottom and surface layer are made of fiberglass and magnesian compound and plant fiber's composite plate, and the cellular sandwich layer is made by cellular board.This glass magnesium, honeycomb sandwich board adopt honeycomb card board, plastic honeycomb board or metal honeycomb plate as the cellular sandwich layer, and bottom and surface layer are made of fiberglass and magnesian compound and plant fiber's composite plate, have not only prevented fires, but also sound insulation, saved a large amount of timber again, and thickness can be regulated.Mainly be to solve the problem that battenboard contains a large amount of formaldehyde, certain sound insulation effect is arranged again, but can not solve the problem of sound absorption and transparent sound absorption.
Chinese patent title " multifunctinoal health type honeycomb noise reducing plate " application number " 200720029130.3 ", it is characterized in that comprising honeycomb ceramics, the honeycomb hole inwall of honeycomb ceramics and back side spraying one deck Tourmaline crystal current stone flour, honeycomb hole front spraying one deck nano titanium oxide photo-catalytic coating.Utilize Tourmaline crystal current stone flour, nano titanium oxide photocatalyst to the favourable material of health as dalle, increased the specific surface area that functional material uses, can give out more negative ion in identical space, honeycomb itself has good sqouynd absorption lowering noise effect.This patented technology mainly is to solve quality of air environment, though say good sqouynd absorption lowering noise function, analyzes from the angle of acoustics, and this material had not both had the feature of sound-absorbing porous material, did not have the feature of resonance sound-absorbing material again, and what effect sqouynd absorption lowering noise has been difficult to.
Chinese patent title " honeycomb composite clean wall plate " application number " 200820140019.6 ", the described clean board of this patent comprises panel and base plate, be provided with one deck honeycomb core layer at least between panel and the base plate, the keriotheca outer rim between panel and the base plate is provided with circle metal keel.The patented product is a kind of high-quality, lightweight, high strength, the luxurious gorgeous environmental protection materials for wall of appearance, is mainly used in wall body structure etc., and it doesn't matter with sound absorption for this structure.
Chinese patent title " novel cellular board " application number " 200820227687.2 ", its patent comprises outside plate and honeycomb paper core, and described honeycomb paper core is positioned in the middle of the outside plate, and outer plate surfaces is offered porose, and is marked with filling glue in the honeycomb paper core that the hole communicates.This patent mainly is to annotate the intensity that the method for filling glue increases cellular board by the hole in honeycomb paper core, and the angle from acoustics has certain effect to sound insulation, does not have sound absorption.
Chinese patent title " repeatedly formula honeycomb type acoustical panel " application number " 98205920.5 ", it is a kind of repeatedly formula honeycomb type acoustical panel, between the panel of its single entry acoustical panel and the base plate cellular structure is arranged.Coincided mutually and be bonded into one by the single entry acoustical panel and form repeatedly formula honeycomb type muffler plate, the surface has aperture that the ventilating air effect is arranged, and combines with cellular structure to have good echo effect.According to user's requirement, patented product is that one side absorbs sound with aperture, and the another side base plate is a sound insulationg board, is used for the echo effect.Those skilled in the art all know, the structure of an acoustic board and a sound insulationg board composition should be the sound absorption structure, and the sound sucting band of individual layer acoustic board is narrower, can not in the scope of broad, obtain acoustically effective preferably, on sound absorbing capabilities and material structure, the erasure effect of this acoustical panel still has bigger defective.
Chinese patent title " transparent space absorber and preparation method thereof " application number " 200710025600 ", the invention discloses a kind of transparent space absorber and preparation method thereof, comprise sounding board, transparent microperforated panel and hanging piece, transparent microperforated panel and sounding board are made by transparent material, transparent microperforated panel has been fixed on the sounding board of skeleton supporting role, and hanging piece is arranged on the transparent microperforated panel.Method for making is, transparent resonance plate is placed on the mould, carries out hot-formingly, obtains sounding board after the cooling; Process transparent microperforated panel; Sounding board and transparent microperforated panel after the processing are dried processing; To the sounding board and transparent little the wearing of handling through oven dry
Bonding, typing that orifice plate carries out; With the typing after transparent space absorber in airtight intensive ultraviolet lighting case
Moulding obtains the transparent space absorber finished product.The present invention is applicable to needs transparent visual effect, the demanding environment of degree of purification, satisfies originally architecturally to carry out that acoustics is fitted up again but the requirement that do not change the architectural design style.The patented product is to form transparent space absorber with transparent microperforated panel and sounding board, does not relate to the unitized construction with transparent microperforated panel and transparent honeycomb.
Chinese patent title " Transparent Sound Absorption Component " application number " 200520068463.8 ", the utility model discloses a kind of Transparent Sound Absorption Component, comprise microperforated panel, microperforated panel is to form by having the moistureproof not transparent polycarbonate material punching out of burn into fire protection flame retarding, antiultraviolet characteristics.The utility model combines the acoustical behavior of virgin metal microperforated panel sound absorbing member and the advantages such as design esthetics in original building place, both are combined, and has reached the ideal effect of acoustical absorption coefficient height, bandwidth.Compared with prior art, the utility model can satisfy on-the-spot transparent daylighting, protection against the tide and fireproof requirement; Acoustics index is better than the metal sound absorbing member simultaneously.It is specially adapted to glass curtain wall, transparent sound barrier etc., and some need the occasion of transparent visual effect, and can not change former design style and some relatively moister places in the finishing again.This member adopts square steel keel and transparent microperforated panel to form Transparent Sound Absorption Component, the unitized construction with transparent little threading and transparent honeycomb do not occur.
Summary of the invention
The purpose of this utility model provides a kind of honeycomb sound absorbing member, this honeycomb sound absorbing member combines honeycomb and acoustic board (film), acoustically effective is good, is particularly suitable for purifying sound absorption, purifying muffler, is applicable to the control of aerodynamic noise under the high velocity air state.
The purpose of this utility model is achieved through the following technical solutions:
A kind of honeycomb sound absorbing member is characterized in that: this sound absorbing member comprises acoustic board/film, down acoustic board/film, honeycomb and fixing keel; Last acoustic board/film is arranged on the upper surface of one group of honeycomb, and following acoustic board/film is arranged on the lower surface of one group of honeycomb; Last acoustic board/film, down acoustic board/film and honeycomb link together by fixing keel.
One group of honeycomb described in the utility model is one deck or two-layer or three layers, and is equipped with acoustic board/film between the adjacent two layers honeycomb.When being the multi-layer honeycomb structure, between the adjacent two layers honeycomb, be equipped with acoustic board/film.Fix by fixing keel around the sound absorption structure, also can directly be shelved on fixedly on the keel.
The material that the utility model is carried middle acoustic board/film, honeycomb can be that metal material also can be nonmetallic materials; Can be transparent also can be that non-material transparent is formed; Acoustic board/film, honeycomb, fixedly keel can also can be made up of different materials by forming with a kind of material.Last acoustic board/film is identical with the percentage of perforation of following acoustic board/film.
The utility model is suitable for the sqouynd absorption lowering noise under various occasions, and the acoustic absorbant of all kinds of sound suppressors is particularly suitable for purifying the control of aerodynamic noise under sound absorption, purifying muffler, the high velocity air state.
Adopt different complex methods for the honeycomb of different materials and acoustic board/film: when being metal material, can adopt electric resistance welding or gluing method compound as honeycomb and acoustic board/film; When being nonmetallic materials, should select suitable glue according to the difference of material as honeycomb, compound with the method for bonding or hot melt.
Acoustic board/membrane material can be selected: the sound absorbing membrane of zinc-plated microperforated panel, stainless steel microperforated panel, aluminium alloy microperforated panel, the microperforated panel of using the processing of fire-resistant engineering plastics plate, the processing of fire-resistant engineering plastics film etc.; Cellular material then can be selected: plastic honeycomb, metal material honeycomb, aramid fiber paper wasp nest, paper wasp nest etc.
The utility model can be adjusted the resonant frequency of sound absorption structure accurately, matches with the peak value of noise, reaches the purpose that control reduces noise.The sound absorption structure that can utilize simultaneously the honeycomb in different-thickness, the different number of plies, different apertures and the acoustic board of different percentage of perforation/film to form makes the sound sucting band of sound absorption structure wideer, and acoustically effective is better.
The sound absorption structure that acoustic board/film and honeycomb are formed has following feature performance benefit:
1, utilizes the micropore of acoustic board/film and honeycomb clocklike to form Helmholtz resonator, can adjust the resonant frequency of sound absorption structure more accurately, match, reach control and reduce the purpose of noise with the peak value of noise.
2, the sound absorption structure that can utilize the honeycomb in different-thickness, the different number of plies, different apertures and the acoustic board of different percentage of perforation/film to form makes the sound sucting band of sound absorption structure wideer, and acoustically effective is better.
3, sound absorbing member, the sound absorber that can form various geometric configuratioies with this sound absorption structure, can satisfy the sqouynd absorption lowering noise under the various occasions, the acoustic absorbant of all kinds of sound suppressors is particularly suitable for purifying sound absorption, purifying muffler, comprises the control that is used for aerodynamic noise under the high velocity air state.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation that has three layers of honeycomb in the utility model.
Embodiment
Below in conjunction with accompanying drawing the technology of the present invention is described in further detail.
A kind of honeycomb sound absorbing member is seen Fig. 1, and this sound absorbing member comprises acoustic board 1, down acoustic board 3, one deck honeycomb 2 and fixing keel 4.Last acoustic board 1 is arranged on the upper surface of honeycomb 2, and following acoustic board 3 is arranged on the lower surface of honeycomb 2.Last acoustic board 1, down acoustic board 3 and honeycomb 2 link together by fixing keel 4.
The thickness of last acoustic board 1 and following acoustic board 3 is 0.75 ㎜, and last acoustic board 1 percentage of perforation is 1% zinc-plated microperforated panel, and the percentage of perforation of following acoustic board 3 is 2% zinc-plated microperforated panel.Honeycomb 2 is that the length of side is the orthohexagonal assemblys of 12 ㎜, and material is an aluminium alloy, and thickness is 30 ㎜; The employing flame-retardant glue is bonding, and effect is more satisfactory.
Another honeycomb sound absorbing member, this sound absorbing member comprise sound absorbing membrane 1, down sound absorbing membrane 3, one deck honeycomb 2 and fixing keel 4.Last sound absorbing membrane 1 is arranged on the upper surface of honeycomb 2, and following sound absorbing membrane 3 is arranged on the lower surface of honeycomb 2.Last sound absorbing membrane 1, down sound absorbing membrane 3 and honeycomb 2 link together by fixing keel 4.
The thickness of last sound absorbing membrane 1 and following sound absorbing membrane 3 is 0.12 ㎜, and last sound absorbing membrane 1 is that percentage of perforation is 0.258% transparent ultramicropore sound absorbing membrane, and following sound absorbing membrane 3 is that percentage of perforation is 0.2% transparent ultramicropore sound absorbing membrane, and material is a polycarbonate.Honeycomb 2 is that radius is the circular group zoarium of 8 ㎜, and material is a polycarbonate, and thickness is 25 ㎜, and honeycomb is transparent equally, adopts the bonding of flame-retardant glue or hot melt, and the average sound absorption coefficient that standing wave tube is measured this sound absorbing member is 50 ㎜ for the 0.65(back cavity).
Another honeycomb sound absorbing member is seen Fig. 2, and this sound absorbing member comprises acoustic board 1, down acoustic board 3, three layers of honeycomb 2 and fixing keel 4.Last acoustic board 1 is arranged on the upper surface of upper strata honeycomb 2, and following acoustic board 3 is arranged on the lower surface of lower floor's honeycomb 2.Be provided with ground floor acoustic board 31 between upper strata honeycomb and the middle layer honeycomb, between middle layer honeycomb and lower floor's honeycomb, be provided with second layer acoustic board 32.Last acoustic board 1, ground floor acoustic board 31, second layer acoustic board 32, acoustic board 3 and honeycomb 2 link together by fixing keel 4 down.
The thickness of last acoustic board 1, ground floor acoustic board 31, second layer acoustic board 32 and following acoustic board 3 is 0.75 ㎜, and last acoustic board 1 and ground floor acoustic board 31 are that percentage of perforation is that 1% stainless steel microperforated panel, following acoustic board 3 and second layer acoustic board 32 are that percentage of perforation is 2% stainless steel microperforated panel.Honeycomb 2 is the regular hexagon of 10 ㎜ for the length of side, and material is a stainless steel material, and the thickness of three layers of honeycomb is respectively 20 ㎜, 20 ㎜, 30 ㎜; Adopt the method for electric resistance welding compound, effect is more satisfactory.
Claims (2)
1. honeycomb sound absorbing member is characterized in that: this sound absorbing member comprises acoustic board/film (1), acoustic board/film (3), honeycomb (2) and fixing keel (4) down; Last acoustic board/film (1) is arranged on the upper surface of one group of honeycomb (2), and following acoustic board/film (3) is arranged on the lower surface of one group of honeycomb (2); Last acoustic board/film (1), down acoustic board/film (3) and honeycomb (2) link together by fixing keel (4).
2. honeycomb sound absorbing member according to claim 1 is characterized in that: described one group of honeycomb (2) is one deck or two-layer or three layers, and is equipped with acoustic board/film between adjacent two layers honeycomb (2).
3, honeycomb sound absorbing member according to claim 1, it is characterized in that: upward acoustic board/film (1), following acoustic board/film (3) are made by identical material with honeycomb (2), and upward acoustic board/film (1), following acoustic board/film (3) and honeycomb (2) are metal materials.
4, honeycomb sound absorbing member according to claim 3 is characterized in that: going up acoustic board/film (1), following acoustic board/film (3) and honeycomb (2) is transparent material.
5, honeycomb sound absorbing member according to claim 1 is characterized in that: it is identical with the percentage of perforation of following acoustic board/film (3) to go up acoustic board/film (1).
6, honeycomb sound absorbing member according to claim 1, it is characterized in that: described fixedly keel (4) be arranged on acoustic board/film (1), down acoustic board/film (3) and one group of honeycomb (2) around, and will go up acoustic board/film (1), time acoustic board/film (3) and honeycomb (2) by bound edge and be fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206549109U CN202003672U (en) | 2010-12-13 | 2010-12-13 | Honeycomb sound absorption element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206549109U CN202003672U (en) | 2010-12-13 | 2010-12-13 | Honeycomb sound absorption element |
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| Publication Number | Publication Date |
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| CN202003672U true CN202003672U (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206549109U Expired - Lifetime CN202003672U (en) | 2010-12-13 | 2010-12-13 | Honeycomb sound absorption element |
Country Status (1)
| Country | Link |
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| CN (1) | CN202003672U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953448A (en) * | 2012-11-10 | 2013-03-06 | 苏州金螳螂建筑装饰股份有限公司 | Cavity sound absorbing plate |
| CN104078036A (en) * | 2014-06-19 | 2014-10-01 | 上海交通大学 | Low and medium frequency light thin layer sound insulation and absorption board and combined board thereof |
| CN107408378A (en) * | 2015-02-27 | 2017-11-28 | 富士胶片株式会社 | The manufacture method of noise reduction structure and noise reduction structure |
| CN109272980A (en) * | 2018-11-01 | 2019-01-25 | 中国船舶重工集团公司第七〇四研究所 | Soldering type slit honeycomb sound absorption structure |
| CN111232182A (en) * | 2020-03-06 | 2020-06-05 | 中国商用飞机有限责任公司 | Interior trim panel and application thereof |
| CN112157967A (en) * | 2020-10-27 | 2021-01-01 | 李纪用 | High-performance ecological plate |
-
2010
- 2010-12-13 CN CN2010206549109U patent/CN202003672U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953448A (en) * | 2012-11-10 | 2013-03-06 | 苏州金螳螂建筑装饰股份有限公司 | Cavity sound absorbing plate |
| CN102953448B (en) * | 2012-11-10 | 2016-03-23 | 苏州金螳螂建筑装饰股份有限公司 | Cavity sound absorbing plate |
| CN104078036A (en) * | 2014-06-19 | 2014-10-01 | 上海交通大学 | Low and medium frequency light thin layer sound insulation and absorption board and combined board thereof |
| CN107408378A (en) * | 2015-02-27 | 2017-11-28 | 富士胶片株式会社 | The manufacture method of noise reduction structure and noise reduction structure |
| CN109272980A (en) * | 2018-11-01 | 2019-01-25 | 中国船舶重工集团公司第七〇四研究所 | Soldering type slit honeycomb sound absorption structure |
| CN111232182A (en) * | 2020-03-06 | 2020-06-05 | 中国商用飞机有限责任公司 | Interior trim panel and application thereof |
| CN112157967A (en) * | 2020-10-27 | 2021-01-01 | 李纪用 | High-performance ecological plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NANJING CHANGRONG ACOUSTIC CO., LTD. Free format text: FORMER NAME: CHANGRONG ENVIRONMENTAL + ACOUSTIC ENGINEER CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Zhongshan Road Huijie square No. 268 Nanjing, Jiangsu province 210007 room 1309 Patentee after: NANJING CHANGRONG ACOUSTIC CO., LTD. Address before: Zhongshan Road Huijie square No. 268 Nanjing, Jiangsu province 210007 room 1309 Patentee before: Changrong Environmental & Acousitc Engineering Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111005 |