CN109610357A - A kind of sound barrier sound absorber - Google Patents
A kind of sound barrier sound absorber Download PDFInfo
- Publication number
- CN109610357A CN109610357A CN201811618857.4A CN201811618857A CN109610357A CN 109610357 A CN109610357 A CN 109610357A CN 201811618857 A CN201811618857 A CN 201811618857A CN 109610357 A CN109610357 A CN 109610357A
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- China
- Prior art keywords
- sound
- absorption unit
- piece
- sound absorption
- fomale
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0035—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with undulated surfaces
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
- E01F8/0052—Grate-style, e.g. as wall facing
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The present invention provides a kind of sound barrier sound absorbers, including a closing shell, several layers sound absorption unit piece is provided in the closing shell, the sound absorption unit on piece is provided with the first male and fomale(M&F) of lateral direction penetrating, the second longitudinally through male and fomale(M&F) is provided on first male and fomale(M&F) of the lateral direction penetrating, multiple described sound absorption unit piece a positive and a negative are stacked into honey comb structure.The beneficial effect is that: sound absorption unit piece provided by the invention can industrialized production, processing, production and assembling sound absorber are easy, and later maintenance updates convenient；Simultaneously have light weight, at low cost, weather-proof, durable, fire prevention, waterproof, it is anti-aging, indeformable, be not afraid of airflow humidity corrode, long service life；More importantly sound barrier sound absorber provided by the invention is environment friendly and pollution-free, recycling can be recycled, solid waste environmental pollution not will form, meet high-speed rail and its requirement of traffic noise performance indexes.
Description
Technical field
The present invention relates to the traffic noises such as high-speed railway, highway, railway, city overhead road, urban track traffic to control
Manage sound barrier sound absorber more particularly to a kind of sound barrier sound absorber.
Background technique
Sound barrier plays the role of noise reduction, noise elimination, sound insulation in man-made noise field, wherein inside sound-absorbing barrier
Sound-absorbing material and its structure be sound-absorbing barrier core technology.
Currently, the sound-absorbing barrier in China harmful fibrous material such as conventionally employed mineral wool, rock wool mostly, these are harmful
In process of production, using phenolic aldehyde gluing knot, rock wool, microglass fiber generate dust and phenolic aldehyde smell to fiber, these harmful materials
The application of material is serious to destroy air quality, generates harm to human respiratory, contactee very likely suffers from skin disease, conjunctiva
Scorching and keratitis, Long Term Contact person can be carcinogenic.Developed country has been forbidden to use mineral wool, the nocuousness fiber product such as rock wool.
Domestic railway sound barrier, highway noise barrier, city overhead road and urban track traffic are all using rock wool
And mineral wool, early period production process and later period waste treatment process cause Heavy environmental pollution.Especially high-speed rail sound
Rock wool does not close packaging in barrier acoustic board, pastes one layer of glass cloth on the outside of rock wool, and the rock wool four seasons trace back warm phenol glue failure, high-speed rail
350km/h kilometers of generation wind pressure are sucked out part rock wool and cause along line pollution.
In order to solve the problems, such as environmental pollution and sustainable development, the acoustic board for developing a kind of new construction is very necessary.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of sound barrier sound absorbers.
A kind of sound barrier sound absorber of the invention, technical solution are as follows:
A kind of sound barrier sound absorber, it is characterised in that: including a closing shell, be provided with several layers in the closing shell
Absorb sound unit piece, and the sound absorption unit on piece is provided with the first male and fomale(M&F) of lateral direction penetrating, and the first of the lateral direction penetrating is concave-convex
The second longitudinally through male and fomale(M&F) is provided on face, multiple absorbed sound unit piece a positive and a negative are stacked into honey comb structure.
Wherein, the sound absorption unit on piece is provided with the first male and fomale(M&F) of S-type lateral direction penetrating.
Wherein, the first male and fomale(M&F) of the lateral direction penetrating includes the first concave surface and the first convex surface, first concave surface and the
The cross section on one convex surface is trapezoidal, the first convex surface of the sound absorption unit on piece of the first concave surface and adjacent layer for the unit on piece that absorbs sound
Form diamond structure.
Wherein, the first groove is provided on the first concave surface of the sound absorption unit piece, the first of the sound absorption unit piece is convex
The second groove is provided on face, the first groove on the first concave surface of the sound absorption unit piece is connected to adjacent sound absorption unit piece
In the second groove on first convex surface.
Wherein, the second longitudinally through male and fomale(M&F) is provided on first concave surface and the first convex surface.
Wherein, the second male and fomale(M&F) of the lateral direction penetrating includes the second concave surface and the second convex surface, second concave surface and the
The cross section on two convex surfaces is trapezoidal.
Wherein, the height on the first concave surface and the first convex surface is 5-25mm, and wide is 10-35mm；Second concave surface and
Two convex surfaces it is high be 1-9mm, wide is 2-20mm.
Wherein, the sound absorption unit on piece is provided with micropore.
Wherein, the aperture of the micropore is 0.2-3mm.
Wherein, it is provided with cavity at the top and bottom of the closed cavity, is provided with sound insulation in the cavity of bottom
Plate.
Wherein, the honey comb structure that the sound absorption unit piece is constituted is fixed by nonmetallic bolt.
Implementation of the invention includes following technical effect:
A kind of sound barrier sound absorber provided by the invention, by the first bumps that lateral direction penetrating is arranged in sound absorption unit on piece
Face, and the second longitudinally through male and fomale(M&F) is set on the first male and fomale(M&F) of lateral direction penetrating, multiple sound absorption unit pieces one are just
One it is counter be stacked into honey comb structure, meet high-speed rail and its traffic noise performance indexes requirement.
Acoustical behavior meets the requirements (oise insulation factor >=28dB (A), acoustic absorptivity >=0.8)；Thickness, length, the width of sound absorber
Degree etc. can be arbitrarily arranged, and meet the market demand；And it solves current sound barrier sound absorber to inhale under rainwater moisture effect
The problems such as acoustic performance reduces, sound absorption deformation, while also solving outside the pressure wave and suction wave fiber that bullet train pulsating force generates
The various disadvantages such as let out；Furthermore the sound absorption unit piece in the present invention can industrialized production, processing, production and assembling sound absorber are easy,
Later maintenance updates conveniently；Light weight, at low cost, weather-proof, durable, fire prevention, waterproof, anti-aging, indeformable, not to be afraid of air-flow wet
Degree corrodes, long service life.More importantly sound barrier sound absorber provided by the invention is environment friendly and pollution-free, recyclable sharp again
With not will form solid waste, environmental pollution.
Detailed description of the invention
Fig. 1 is the top view of the sound absorption unit piece in a kind of sound barrier sound absorber of the invention.
Fig. 2 is the front view of the sound absorption unit piece in a kind of sound barrier sound absorber of the invention.
Fig. 3 is the partial enlarged view of Fig. 2.
Fig. 4 is the sectional view in the direction C-C in Fig. 3.
Fig. 5 is the multilayer sound absorption unit piece top view when assembled in a kind of sound barrier sound absorber of the invention.
Fig. 6 is the multilayer sound absorption unit piece main view when assembled in a kind of sound barrier sound absorber of the invention.
Fig. 7 is a kind of top view of sound barrier sound absorber of the invention
Fig. 8 is a kind of structural schematic diagram of sound barrier sound absorber of the invention.
Fig. 9 is the partial enlarged view of Fig. 8.
Specific embodiment
The present invention is described in detail below in conjunction with embodiment and attached drawing, it should be pointed out that described reality
It applies example and is intended merely to facilitate the understanding of the present invention, and do not play any restriction effect to it.
Orientation described herein is for example to compare the convenience of attached drawing description and use up and down, composition pair
The restriction of protection scope.
As shown in figs 1-9, a kind of sound barrier sound absorber provided by the invention, including a closing shell 1, the closing shell
It is provided with several layers sound absorption unit piece 2 in 1, the first male and fomale(M&F) 3 of lateral direction penetrating is provided on the sound absorption unit piece 2, it is described
The second longitudinally through male and fomale(M&F) 4,2 a positive and a negative heap of sound absorption unit piece are provided on first male and fomale(M&F) 3 of lateral direction penetrating
Build up honey comb structure.A kind of sound barrier sound absorber provided in this embodiment, by the way that lateral direction penetrating is arranged in sound absorption unit on piece
The first male and fomale(M&F), and the second longitudinally through male and fomale(M&F) is set on the first male and fomale(M&F) of lateral direction penetrating, multiple sound absorption units
Piece a positive and a negative is stacked into honey comb structure, meets high-speed rail and its requirement of traffic noise performance indexes.In acoustical behavior
Meet the requirements (oise insulation factor >=28dB (A), acoustic absorptivity >=0.8)；Thickness, length, width of sound absorber etc. can be arbitrarily arranged,
Meet the market demand；And solving current sound barrier sound absorber sound absorbing performance under rainwater moisture effect reduces, and sound absorption becomes
The problems such as shape, while also solving the pressure wave of bullet train pulsating force generation and suction wave fiber such as leaks at the various disadvantages；Furthermore
Sound absorption unit piece in the present invention can industrialized production, processing, production and assembling sound absorber are easy, and later maintenance updates convenient；
Light weight, at low cost, weather-proof, durable, fire prevention, waterproof, it is anti-aging, indeformable, be not afraid of airflow humidity erosion, long service life.
More importantly sound barrier sound absorber provided by the invention is environment friendly and pollution-free, recycling can be recycled, solid waste not will form
Environmental pollution.
As shown in Figure 1,5, the sound absorption unit on piece is provided with the first male and fomale(M&F) of S-type lateral direction penetrating.The present embodiment
By the way that the first male and fomale(M&F) of S-type lateral direction penetrating is arranged, so that sound absorption unit piece forms honeycomb gap, sound absorber internal voids
It is interconnected, interlaced, hole is deeply internal, by the membrane action or resonant interaction of sound absorption unit piece itself to incident sound
It can be carried out sqouynd absorption lowering noise effect.
As shown in Fig. 2,6,8, the first male and fomale(M&F) 3 of the lateral direction penetrating includes the first concave surface 31 and the first convex surface 32, institute
The cross section for stating the first concave surface 31 and the first convex surface 32 is trapezoidal, the suction of the first concave surface 31 and adjacent layer of the unit on piece that absorbs sound
First convex surface 32 of sound unit on piece forms diamond structure.
As shown in Fig. 2,3,6,8, the first groove 311, the suction are provided on the first concave surface 31 of the sound absorption unit piece
The second groove 321 is provided on first convex surface 32 of sound unit piece, first on the first concave surface 31 of the sound absorption unit piece is recessed
Slot 311 is connected in the second groove 321 on the first convex surface 32 of adjacent sound absorption unit piece.The present embodiment passes through in sound absorption unit
It is provided with the first groove on first concave surface of piece, is provided with the second groove on the first convex surface of sound absorption unit piece, and make to absorb sound
The first groove on first concave surface of unit piece is connected in the second groove on the first convex surface of adjacent sound absorption unit piece, with reality
The now assembling positioning of sound absorption unit piece.
As shown in Figure 3,4, the second longitudinally through male and fomale(M&F) is provided on first concave surface 31 and the first convex surface 32
4.Second male and fomale(M&F) 4 of the lateral direction penetrating includes the second concave surface 41 and the second convex surface 42, and second concave surface 41 and second is convex
The cross section in face 42 is trapezoidal.
Wherein, the height on the first concave surface 31 and the first convex surface 32 is 5-25mm, and wide is 10-35mm；Second concave surface
41 and second convex surface 42 it is high be 1-9mm, wide is 2-20mm.
Preferably, as shown in Fig. 7,9, micropore 5 is provided on the sound absorption unit piece 1.The present embodiment passes through single in sound absorption
First on piece is provided with micropore, gos deep into sound wave inside sound absorber along these micropores, rubbing action occurs with material, by sound energy
It is converted into thermal energy, to play Noise Reduction.
Wherein, the aperture of the micropore 5 is 0.2-3mm, and the perforated area for the micropore on unit piece 1 that absorbs sound accounts for sound absorption unit
The 5%-26% of the piece gross area.
As shown in Figure 7,8, it is provided with cavity 6 at the top and bottom of the closed cavity, is set in the cavity 6 of bottom
It is equipped with sound insulationg board 7, the thickness range 10mm ∽ 25mm of the partition.The partition of the present embodiment setting not only has the function of sound insulation
Can, while also having the function of blocking the axial wave in cavity.
Wherein, as shown in Fig. 6,8, the honey comb structure that the sound absorption unit piece 1 is constituted is fixed by nonmetallic bolt 8.
The present embodiment fixes sound absorption unit piece by using bolt, easy for removal and installation, consequently facilitating maintenance, and by using non-gold
Belong to bolt, not only makes the quality of the sound absorber in the present embodiment lighter, but also sound absorption effect is more preferable.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (10)
1. a kind of sound barrier sound absorber, it is characterised in that: including a closing shell, be provided with several layers suction in the closing shell
Sound unit piece, the sound absorption unit on piece are provided with the first male and fomale(M&F) of lateral direction penetrating, the first male and fomale(M&F) of the lateral direction penetrating
On be provided with the second longitudinally through male and fomale(M&F), multiple absorbed sound unit piece a positive and a negative are stacked into honey comb structure.
2. a kind of sound barrier sound absorber according to claim 1, it is characterised in that: the sound absorption unit on piece, which is provided with, is in
First male and fomale(M&F) of S type lateral direction penetrating.
3. a kind of sound barrier sound absorber according to claim 1 or 2, it is characterised in that: the first of the lateral direction penetrating is recessed
Convex surface includes the first concave surface and the first convex surface, the cross section on first concave surface and the first convex surface be it is trapezoidal, absorb sound unit piece
On the first concave surface and adjacent layer sound absorption unit on piece the first convex diamondwise structure.
4. a kind of sound barrier sound absorber according to claim 3, it is characterised in that: the first concave surface of the sound absorption unit piece
On be provided with the first groove, be provided with the second groove on the first convex surface of the sound absorption unit piece, the of the sound absorption unit piece
The first groove on one concave surface is connected in the second groove on the first convex surface of adjacent sound absorption unit piece.
5. a kind of sound barrier sound absorber according to claim 3, it is characterised in that: the second male and fomale(M&F) of the lateral direction penetrating
Including the second concave surface and the second convex surface, the cross section on second concave surface and the second convex surface is trapezoidal.
6. a kind of sound barrier sound absorber according to claim 5, it is characterised in that: the Gao Jun of the first concave surface and the first convex surface
For 5-25mm, wide is 10-35mm；Second concave surface and the second convex surface it is high be 1-9mm, wide is 2-20mm.
7. a kind of sound barrier sound absorber according to claim 1, it is characterised in that: the sound absorption unit on piece is provided with micro-
Hole.
8. a kind of sound barrier sound absorber according to claim 7, it is characterised in that: the aperture of the micropore is 0.2-3mm.
9. a kind of sound barrier sound absorber according to claim 1, it is characterised in that: the top and bottom of the closed cavity
It is provided with cavity, is provided with sound insulationg board in the cavity of bottom.
10. a kind of sound barrier sound absorber according to claim 1, it is characterised in that: the bee that the sound absorption unit piece is constituted
Nido structure is fixed by nonmetallic bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811618857.4A CN109610357B (en) | 2018-12-28 | 2018-12-28 | Sound barrier sound absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811618857.4A CN109610357B (en) | 2018-12-28 | 2018-12-28 | Sound barrier sound absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109610357A true CN109610357A (en) | 2019-04-12 |
| CN109610357B CN109610357B (en) | 2021-09-10 |
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ID=66011947
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811618857.4A Active CN109610357B (en) | 2018-12-28 | 2018-12-28 | Sound barrier sound absorber |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004007494B3 (en) * | 2004-02-13 | 2005-07-14 | Metallindustriewerk Staaken Gmbh | Light metal profile with integrated floor plate forming acoustically optimized diffraction edge has resonators made as different length cavities open on one side as different height sheets with comb-like slots for fitting them together |
| CN1911646A (en) * | 2002-03-26 | 2007-02-14 | 宇部日东化成株式会社 | Hollow structure plate, manufacturing method thereof, manufacturing device thereof, and sound absorbing structure plate |
| CN103201107A (en) * | 2010-09-20 | 2013-07-10 | 加利福尼亚技术学院 | Multilayered cellular metallic glass structures |
| CN104441795A (en) * | 2013-11-05 | 2015-03-25 | 赵坤 | Heat-preservation sound-insulation honeycomb plate |
| KR101610845B1 (en) * | 2014-08-14 | 2016-04-08 | 국민대학교산학협력단 | Soundproof Panel and Soundproof Wall |
-
2018
- 2018-12-28 CN CN201811618857.4A patent/CN109610357B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1911646A (en) * | 2002-03-26 | 2007-02-14 | 宇部日东化成株式会社 | Hollow structure plate, manufacturing method thereof, manufacturing device thereof, and sound absorbing structure plate |
| DE102004007494B3 (en) * | 2004-02-13 | 2005-07-14 | Metallindustriewerk Staaken Gmbh | Light metal profile with integrated floor plate forming acoustically optimized diffraction edge has resonators made as different length cavities open on one side as different height sheets with comb-like slots for fitting them together |
| CN103201107A (en) * | 2010-09-20 | 2013-07-10 | 加利福尼亚技术学院 | Multilayered cellular metallic glass structures |
| CN104441795A (en) * | 2013-11-05 | 2015-03-25 | 赵坤 | Heat-preservation sound-insulation honeycomb plate |
| KR101610845B1 (en) * | 2014-08-14 | 2016-04-08 | 국민대학교산학협력단 | Soundproof Panel and Soundproof Wall |
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| Publication number | Publication date |
|---|---|
| CN109610357B (en) | 2021-09-10 |
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