CN206864183U - One kind punching aluminium sheet foamed aluminium composite sound-absorbing structure - Google Patents
One kind punching aluminium sheet foamed aluminium composite sound-absorbing structure Download PDFInfo
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- CN206864183U CN206864183U CN201720529561.XU CN201720529561U CN206864183U CN 206864183 U CN206864183 U CN 206864183U CN 201720529561 U CN201720529561 U CN 201720529561U CN 206864183 U CN206864183 U CN 206864183U
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- sound
- foamed aluminium
- absorbing
- aluminium
- compoiste
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Abstract
The utility model discloses one kind to punch aluminium sheet foamed aluminium composite sound-absorbing structure, including：Foamed aluminium compoiste sound-absorbing board, resonator chamber and metal backing, the resonator chamber is arranged between foamed aluminium compoiste sound-absorbing board and metal backing, the metal backing takes the shape of the letter U structure, the metal backing of the U-shaped structure coats foamed aluminium compoiste sound-absorbing board and resonator chamber both ends, play a supportive role, be easily installed simultaneously, and fixed by mechanical structure, an entirety is become, forms sound-absorbing structure.The utility model foamed aluminium compoiste sound-absorbing board sound-absorption coefficient 0.75, has in the range of 200 4000Hz and meets city height.
Description
Technical field
It the utility model is related to sound-absorbing material technical field, and in particular to one kind punching aluminium sheet-foamed aluminium composite sound-absorbing knot
Structure.
Background technology
Porous foam metal material is made up of metallic framework and hole, is a kind of function material that recent decades grow up
Material.Since the advent of the world, as structural material, it has the characteristics of lightweight, high specific strength；As functional material, it have it is porous,
Vibration damping, damping, sound-absorbing, sound insulation, radiating, impact energy, a variety of physical properties such as electromagnetic shielding are absorbed, furthermore its recyclable spy
Point, the needs of current development are adapted to, at home and abroad general industry field and high-tech sector have obtained more and more extensive answer
With.
The porous foam metal material having been developed that at present has foamed aluminium (and foam aluminium alloy), nickel foam, foam zinc, bubble
Foam lead, titanium foam, foam cast iron and blister steel etc., the research of wherein foamed aluminium is the most ripe, and shows in actual applications
Wide prospect.Foamed aluminium is after adding additive in pure aluminum or aluminum alloy, to be formed by foam process, while have metal concurrently
With bubble feature.Its density is small, high-selenium corn impact capacity is strong, high temperature resistant, fire protecting performance are strong, anticorrosive, sound insulation and noise reduction, thermal conductivity
It is low, electromagnetic wave shielding is high, weatherability is strong, have filter capacity, easy processing, easy to install, forming accuracy is high, can carry out external coating.
It is well known that foamed aluminium material effect in terms of sound-absorbing, antinoise is good, be widely used in broadcasting station broadcasting studio,
In terms of the noise insulation such as highway soundproof wall, aircraft, ship, train sound.
Merely there is powder phenomenon-tion in mineral wool, pollution environment, human health, vibration generation be accumulated, hygroscopic, suction
Tide, long-term use of, sound absorbing power degradation；
Utility model content
Technical problem to be solved in the utility model is to provide a kind of reasonable in design, punching aluminium being easily installed
Plate-foamed aluminium composite sound-absorbing structure.
Technical problem to be solved in the utility model is realized using following technical scheme：
One kind punching aluminium sheet-foamed aluminium composite sound-absorbing structure, including：Foamed aluminium compoiste sound-absorbing board, resonator chamber and metal
Backboard, the resonator chamber are arranged between foamed aluminium compoiste sound-absorbing board and metal backing, and the metal backing takes the shape of the letter U structure,
The metal backing of the U-shaped structure coats foamed aluminium compoiste sound-absorbing board and resonator chamber both ends, plays a supportive role, while be easy to pacify
Dress, and fixed by mechanical structure, an entirety is become, forms sound-absorbing structure.
The foamed aluminium compoiste sound-absorbing board is the aluminium sheet of surface perforate, is handled using puncture, density≤0.4/cm3, hole
Footpath≤5mm.
Thickness≤8mm of the foamed aluminium compoiste sound-absorbing board.
The width of the resonator chamber is in 1~3cm.
The thickness of the metal backing is 0.5~2mm.
The width of the resonator chamber is preferably 2cm.
The thickness of the metal backing is preferably 1cm.
During installation, foamed aluminium compoiste sound-absorbing board is arranged on noise source side.
The beneficial effects of the utility model are：
(1) directly as panel, (breaking load ＞ 1000N, surface can bear 1500N/m to foamed aluminium compoiste sound-absorbing board2Carry
Lotus；The ＜ 1 of amount of deflection 0.089)；
(2) foamed aluminium compoiste sound-absorbing board hydrophobic, it is nonhygroscopic；
(3) foam aluminium surface can be fluorocarbon-sprayed, and color can need to customize according to user；
(4) foamed aluminium A1 levels are prevented fires, green non-pollution, recyclable recycling, service life more than 30 years；
(5) foamed aluminium compoiste sound-absorbing board sound-absorption coefficient 0.75, have in the range of 200-4000Hz and meet city height.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Embodiment 1
As shown in figure 1, a kind of punching aluminium sheet-foamed aluminium composite sound-absorbing structure, including：Foamed aluminium compoiste sound-absorbing board 1, resonance
Chamber 2 and metal backing 3, resonator chamber 2 are arranged between foamed aluminium compoiste sound-absorbing board 1 and metal backing 3, and metal backing 3 is in U
Foamed aluminium compoiste sound-absorbing board 1 and the both ends of resonator chamber 2 are coated, played a supportive role by shape structure, the metal backing 3 of the U-shaped structure,
It is easily installed, and is fixed by mechanical structure simultaneously, become an entirety, forms sound-absorbing structure.Foamed aluminium composite sound-absorbing
Plate 1 is the aluminium sheet of surface perforate, is handled using puncture, density≤0.4/cm3, aperture≤5mm, foamed aluminium compoiste sound-absorbing board 1
Thickness≤8mm, in 1~3cm, the thickness of metal backing 3 is 0.5~2mm for the width of resonator chamber 2.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (7)
1. one kind punching aluminium sheet-foamed aluminium composite sound-absorbing structure, it is characterised in that including：Foamed aluminium compoiste sound-absorbing board, resonant cavity
Room and metal backing, the resonator chamber are arranged between foamed aluminium compoiste sound-absorbing board and metal backing, and the metal backing is in U
Shape structure, the metal backing of the U-shaped structure coat foamed aluminium compoiste sound-absorbing board and resonator chamber both ends.
A kind of 2. punching aluminium sheet-foamed aluminium composite sound-absorbing structure according to claim 1, it is characterised in that the foam
Aluminium compoiste sound-absorbing board is the aluminium sheet of surface perforate, is handled using puncture, density≤0.4/cm3, aperture≤5mm.
A kind of 3. punching aluminium sheet-foamed aluminium composite sound-absorbing structure according to claim 1, it is characterised in that the foam
Thickness≤8mm of aluminium compoiste sound-absorbing board.
A kind of 4. punching aluminium sheet-foamed aluminium composite sound-absorbing structure according to claim 1, it is characterised in that the resonance
The width of chamber is in 1~3cm.
A kind of 5. punching aluminium sheet-foamed aluminium composite sound-absorbing structure according to claim 1, it is characterised in that the metal
The thickness of backboard is 0.5~2mm.
A kind of 6. punching aluminium sheet-foamed aluminium composite sound-absorbing structure according to claim 4, it is characterised in that the resonance
The width of chamber is preferably 2cm.
A kind of 7. punching aluminium sheet-foamed aluminium composite sound-absorbing structure according to claim 5, it is characterised in that the metal
The thickness of backboard is preferably 1cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720529561.XU CN206864183U (en) | 2017-05-13 | 2017-05-13 | One kind punching aluminium sheet foamed aluminium composite sound-absorbing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720529561.XU CN206864183U (en) | 2017-05-13 | 2017-05-13 | One kind punching aluminium sheet foamed aluminium composite sound-absorbing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206864183U true CN206864183U (en) | 2018-01-09 |
Family
ID=60823645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720529561.XU Active CN206864183U (en) | 2017-05-13 | 2017-05-13 | One kind punching aluminium sheet foamed aluminium composite sound-absorbing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206864183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113473762A (en) * | 2020-03-30 | 2021-10-01 | 华为技术有限公司 | Equipment shell, equipment and laser radar |
-
2017
- 2017-05-13 CN CN201720529561.XU patent/CN206864183U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113473762A (en) * | 2020-03-30 | 2021-10-01 | 华为技术有限公司 | Equipment shell, equipment and laser radar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200422 Address after: 236502 North Ring Road, Xicheng Industrial Park, Jieshou City, Fuyang City, Anhui Province Patentee after: ANHUI XINFANGZUN AUTOMATION TECHNOLOGY Co.,Ltd. Address before: 236000 Anhui city of Fuyang Province Jieshou City Xicheng Industrial Park, North Ring Road Patentee before: ANHUI YIMING NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200709 Address after: No. 64-12, Shanda South Road, Lixia District, Jinan City, Shandong Province Patentee after: Shandong high speed high tech materials technology Co., Ltd Address before: 236502 North Ring Road, Xicheng Industrial Park, Jieshou City, Fuyang City, Anhui Province Patentee before: ANHUI XINFANGZUN AUTOMATION TECHNOLOGY Co.,Ltd. |