CN207159849U - A kind of absorbent lined barrier device - Google Patents
A kind of absorbent lined barrier device Download PDFInfo
- Publication number
- CN207159849U CN207159849U CN201720400454.7U CN201720400454U CN207159849U CN 207159849 U CN207159849 U CN 207159849U CN 201720400454 U CN201720400454 U CN 201720400454U CN 207159849 U CN207159849 U CN 207159849U
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- sound absorption
- absorption unit
- barrier device
- absorbent lined
- lined barrier
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Abstract
The utility model belongs to noise reduction technology field, more particularly to a kind of absorbent lined barrier device.The utility model embodiment discloses the utility model and provides a kind of absorbent lined barrier device, and absorbent lined barrier device includes：First sound absorption unit, the second sound absorption unit and support frame；Second sound absorption unit is arranged at the outer surface of the first sound absorption unit, and support frame is arranged at the periphery of the second sound absorption unit；First sound absorption unit is undaform porous Al alloy plate, and the second sound absorption unit is PMMA transparent panels.In technical scheme provided by the utility model, it can stop most noise located at the outermost second sound absorption unit, minority can be absorbed through the noises of the second sound absorption unit by the first sound absorption unit, and the first sound absorption unit and the second sound absorption unit can play the effect of absorption for high frequency and middle low frequency noise；Meanwhile support frame can be that the first sound absorption unit and the second sound absorption unit play a good reference for installation, it is ensured that in bad weather, absorbent lined barrier device still has a stable structure.
Description
Technical field
The utility model belongs to noise reduction technology field, more particularly to a kind of absorbent lined barrier device.
Background technology
Absorbent lined barrier, it is mainly used in the sound insulation and noise reducing of highway, highway, overhead composite road and other noise sources, is
Mitigate influence of the driving noise to neighbouring resident and be arranged on the wall structure by railway and roadside, including：Pure sound insulation
The compound sound barrier that reflection-type sound barrier and sound absorption are combined with sound insulation.Absorbent lined barrier, that is, in sound source and recipient
Between insert a facility, Acoustic Wave Propagation is had a significant additional attenuation, so as to weaken the certain area where recipient
Interior influence of noise, from application scenarios, traffic noise barrier, equipment sound attenuation noise barrier, industrial factory's circle gobo
It is using the most place of all types of sound barriers on barrier, highway and highway.
Between sound source and receiving point, close material such as a wallboard or wall for having sufficient density is inserted perpendicularly into, makes sound
Ripple has a significant additional attenuation in the air, and such " barrier " claims sound barrier.The effect of sound barrier is exactly to prevent
Direct sonic propagation, isolate transmission sound, and reflected sound there are enough decay, therefore, the sound insulation decay of sound barrier is namely sharp
With sound wave principle of reflection design-build.Sound wave (noise) is in way is propagated, if run into barrier (sound barrier), can send anti-
Penetrate, then formd in the range of the certain distance of barrier behind " acoustic shadow ", the size in its region depends on the big of sound
(i.e. frequency), finds out from this point, and sound barrier sound insulation decay has substantial connection with each center frequency value.
It absorbent lined barrier device of the prior art, can only be absorbed sound, can not effectively be absorbed low for high frequency noise mostly
Frequency sound, acoustically effective are single；Moreover, absorbent lined barrier device installs depletion region out of doors more, when bad weather, it is easy to
It is damaged, there is the problem of structural instability.
Therefore, a kind of absorbent lined barrier device is developed, for solving in the prior art, there is sound absorption for absorbent lined barrier device
Single effect and structural unstable technological deficiency, become those skilled in the art's urgent problem to be solved.
Utility model content
In view of this, the utility model provides a kind of absorbent lined barrier device, for solving in the prior art, absorbent lined barrier
There is acoustically effective is single and structural unstable technological deficiency for device.
The utility model provides a kind of absorbent lined barrier device, and the absorbent lined barrier device includes：First sound absorption unit, the
Two sound absorption units and support frame；
The second sound absorption unit is arranged at the outer surface of the first sound absorption unit, and support frame as described above is arranged at described the
The periphery of two sound absorption units；
The first sound absorption unit is undaform porous Al alloy plate, and the second sound absorption unit is PMMA transparent panels.
Preferably, support frame as described above is set fluted, and the first sound absorption unit and the second sound absorption unit insertion are described recessed
In groove.
Preferably, the quantity of the first sound absorption unit is more than two, and multiple first sound absorption units are arranged in parallel.
Preferably, the absorbent lined barrier device also includes：Sound insulationg board；
The sound insulationg board is arranged at the interlayer between two the second sound absorption units.
Preferably, the absorbent lined barrier device also includes：Centrifugally glass-wool；
The centrifugally glass-wool is arranged at the interlayer between two the second sound absorption units.
Preferably, the surface of the first sound absorption unit is provided with plastic-spraying layer.
Preferably, the surface of the second sound absorption unit is provided with antiultraviolet diaphragm；
The thickness of the antiultraviolet diaphragm is more than 50 μm.
Preferably, the absorbent lined barrier device also includes：PE resonance membranes；
The PE resonance membranes are arranged at the outside of the centrifugally glass-wool.
Preferably, the thickness of the first sound absorption unit is 0.6~1.5mm, and the punching rate of the first sound absorption unit is small
In 20%, the opening diameter of the first sound absorption unit is 2.3mm.
Preferably, the thickness of the second sound absorption unit is 8~12mm, the longitudinal tensile strength of the second sound absorption unit
More than 60MPa, the transverse tensile strength of the second sound absorption unit is more than MPa, and the buckling of the second sound absorption unit is strong
Degree is more than 85MPa, and the transverse bending strength of the second sound absorption unit is more than 85MPa.
In summary, the utility model provides a kind of absorbent lined barrier device, and the absorbent lined barrier device includes：First inhales
Sound unit, the second sound absorption unit and support frame；The second sound absorption unit is arranged at the outer surface of the first sound absorption unit, institute
State the periphery that support frame is arranged at the second sound absorption unit；The first sound absorption unit is undaform porous Al alloy plate, institute
It is PMMA transparent panels to state the second sound absorption unit.It is single located at the outermost second sound absorption in technical scheme provided by the utility model
Member can stop most noise, and minority can be absorbed through the noise of the second sound absorption unit by the first sound absorption unit, the first sound absorption
Unit and the second sound absorption unit can play the effect of absorption for high frequency and middle low frequency noise；Meanwhile support frame can be first
Sound absorption unit and the second sound absorption unit play a good reference for installation, it is ensured that in bad weather, absorbent lined barrier device is still
With a stable structure.The utility model provides a kind of absorbent lined barrier device, for solving in the prior art, gobo
There is acoustically effective is single and structural unstable technological deficiency for fault device.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer.
Fig. 1 is a kind of configuration schematic diagram of absorbent lined barrier device in the utility model embodiment；
Wherein, the first sound absorption sound absorption of unit 1, second unit 2, support frame 3, sound insulationg board 4, centrifugally glass-wool 5 and PE are total to
Shake film 6.
Embodiment
The utility model embodiment provides a kind of absorbent lined barrier device, for solving in the prior art, absorbent lined barrier dress
Put that there is acoustically effective is single and structural unstable technological deficiency.
To enable the purpose of this utility model, feature and advantage more obvious and understandable, below in conjunction with this
Accompanying drawing in utility model embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, and shows
So, the embodiments described below are only the utility model part of the embodiment, and not all embodiment.Based on this practicality
Embodiment in new, all other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, belongs to the scope of the utility model protection.
Referring to Fig. 1, the utility model embodiment provides a kind of absorbent lined barrier device, absorbent lined barrier device includes：The
One sound absorption unit 1, second sound absorption unit 2 and support frame 3；Second sound absorption unit 2 is arranged at the outer surface of the first sound absorption unit 1,
Support frame 3 is arranged at the periphery of the second sound absorption unit 2；First sound absorption unit 1 is undaform porous Al alloy plate, and the second sound absorption is single
Member 2 is PMMA transparent panels.
In the technical scheme that the utility model embodiment provides, big portion can be stopped located at the outermost second sound absorption unit 2
Point noise, minority through second sound absorption unit 2 noises can by first sound absorption unit 1 absorb, first sound absorption unit 1 and second
Sound absorption unit 2 can play the effect of absorption for high frequency and middle low frequency noise；, can be according to noise during practical application
Intensity and installation site setting first sound absorption unit 1 and second absorb sound unit 2 installation number, such as：When installed in road
During the center of road, two first sound absorption sound absorption units 2 of units 1 and second of installation can be set, two second sound absorption units 2 are inhaled first
Sound unit 1, which is clamped, forms an interlayer structure.Meanwhile support frame 3 can be that the first sound absorption sound absorption unit 2 of unit 1 and second plays
One good reference for installation, it is ensured that absorbent lined barrier device still has a stable structure in bad weather.3rd, the
Two acoustic boards can also play the protective action for the first acoustic board, effectively extend the service life of device.This practicality is new
Type provides a kind of absorbent lined barrier device, for solve in the prior art, absorbent lined barrier device there is acoustically effective it is single with
And structural unstable technological deficiency.
Assembling for ease of the first sound absorption sound absorption unit 2 of unit 1 and second is installed, and reduces the fussy degree of assembling, simultaneously
Effectively ensure the stability of mounting structure.The utility model embodiment provide technical scheme in, support frame 3 set it is fluted,
First sound absorption unit 1 and second absorbs sound in the insertion groove of unit 2.
Further optimisation technique scheme, the noise that will transmit through the second sound absorption unit 2 absorb as far as possible, optimize gobo
The sqouynd absorption lowering noise effect of fault device, the utility model embodiment provide technical scheme in, first sound absorption unit 1 quantity be more than
Two, multiple first sound absorption units 1 are arranged in parallel.During practical application, depending on actually using demand, setting corresponding the
The quantity of one sound absorption unit 1.
Further optimize the defening effect of absorbent lined barrier device, prevent the first sound absorption unit 1 from, when absorbing sound incomplete, inhaling
Sound effective value is deteriorated.A kind of absorbent lined barrier device that the utility model embodiment provides also includes：Sound insulationg board 4；Sound insulationg board 4 is arranged at
At interlayer between two second sound absorption units 2.
Similarly, the absorption for not obstructing sound, the technical scheme that the utility model embodiment provides further are optimized
In, a kind of absorbent lined barrier device also includes：Centrifugally glass-wool 5；Centrifugally glass-wool 5 is arranged between two second sound absorption units 2
Interlayer at.Centrifugally glass-wool 5 can further aid in the acoustically effective of the first sound absorption unit 1, effectively improve a kind of sound absorption
The sqouynd absorption lowering noise effect of barrier device.
Effectively to extend the service life of the first sound absorption unit 1, the maintenance cost of the first sound absorption unit 1 is reduced, meanwhile, prevent
The problem of only driver caused by light refraction is dazzling, in a kind of absorbent lined barrier device that the utility model embodiment provides, the
The surface of one sound absorption unit 1 is provided with plastic-spraying layer.On the one hand protection that plastic-spraying layer can play for the first sound absorption unit 1 is imitated
Fruit, the first sound absorption unit 1 is prevented to be corroded；Can also play simultaneously prevents that driver is caused dazzling because of the light of reflection
Technique effect.
Similarly, in the technical scheme that the utility model embodiment provides, the surface of the second sound absorption unit 2 is provided with UV resistance
Line diaphragm；The thickness of antiultraviolet diaphragm is more than 50 μm.
Because absorbent lined barrier device is arranged at outdoor, inevitably rain enters inside device, to prevent rainwater
The acoustically effective of centrifugally glass-wool 5 is influenceed after.A kind of absorbent lined barrier device that the utility model embodiment provides also includes：
PE resonance membranes 6；PE resonance membranes 6 are arranged at the outside of centrifugally glass-wool 5.Meanwhile PE resonance membranes 6 can also play increase
The technique effect of low frequency absorption performance.
On the basis of the good acoustically effective of the first sound absorption unit 1 is ensured, while take into account to reduce the first sound absorption unit 1
Weight and thickness, reduce by first sound absorption unit 1 manufacturing cost, also need to ensure the intensity of the first sound absorption unit 1, prevent strong wind
It is caused to damage Deng bad weather.In the technical scheme that the utility model embodiment provides, the thickness of the first sound absorption unit 1 is
0.6~1.5mm, the punching rate of the first sound absorption unit 1 are less than 20%, and the opening diameter of the first sound absorption unit 1 is 2.3mm.
Similarly, in a kind of absorbent lined barrier device that the utility model embodiment provides, the thickness of the second sound absorption unit 2 is 8
~12mm, the longitudinal tensile strength of the second sound absorption unit 2 are more than 60MPa, and the transverse tensile strength of the second sound absorption unit 2 is more than
MPa, the buckling strength of the second sound absorption unit 2 are more than 85MPa, and the transverse bending strength of the second sound absorption unit 2 is more than
85MPa。
In summary, the utility model provides a kind of absorbent lined barrier device, and the absorbent lined barrier device includes：First inhales
Sound unit, the second sound absorption unit and support frame；The second sound absorption unit is arranged at the outer surface of the first sound absorption unit, institute
State the periphery that support frame is arranged at the second sound absorption unit；The first sound absorption unit is undaform porous Al alloy plate, institute
It is PMMA transparent panels to state the second sound absorption unit.It is single located at the outermost second sound absorption in technical scheme provided by the utility model
Member can stop most noise, and minority can be absorbed through the noise of the second sound absorption unit by the first sound absorption unit, the first sound absorption
Unit and the second sound absorption unit can play the effect of absorption for high frequency and middle low frequency noise；Meanwhile support frame can be first
Sound absorption unit and the second sound absorption unit play a good reference for installation, it is ensured that in bad weather, absorbent lined barrier device is still
With a stable structure.The utility model provides a kind of absorbent lined barrier device, for solving in the prior art, gobo
There is acoustically effective is single and structural unstable technological deficiency for fault device.
A kind of absorbent lined barrier device provided by the utility model is described in detail above, for the one of this area
As technical staff, according to the utility model embodiment thought, have change in specific embodiments and applications
Place, in summary, this specification content should not be construed as to limitation of the present utility model.
Claims (10)
1. a kind of absorbent lined barrier device, it is characterised in that the absorbent lined barrier device includes：First sound absorption unit, the second sound absorption
Unit and support frame；
The second sound absorption unit is arranged at the outer surface of the first sound absorption unit, and support frame as described above is arranged at described second and inhaled
The periphery of sound unit；
The first sound absorption unit is undaform porous Al alloy plate, and the second sound absorption unit is PMMA transparent panels.
2. absorbent lined barrier device according to claim 1, it is characterised in that support frame as described above set it is fluted, described the
One sound absorption unit and the second sound absorption unit are inserted in the groove.
3. absorbent lined barrier device according to claim 1 or 2, it is characterised in that the quantity of the first sound absorption unit is big
In two, multiple first sound absorption units are arranged in parallel.
4. absorbent lined barrier device according to claim 3, it is characterised in that the absorbent lined barrier device also includes：Sound insulation
Plate；
The sound insulationg board is arranged at the interlayer between two the first sound absorption units.
5. absorbent lined barrier device according to claim 3, it is characterised in that the absorbent lined barrier device also includes：Centrifugation
Mineral wool；
The centrifugally glass-wool is arranged at the interlayer between two the first sound absorption units.
6. absorbent lined barrier device according to claim 1, it is characterised in that the surface of the first sound absorption unit is provided with
Plastic-spraying layer.
7. absorbent lined barrier device according to claim 1, it is characterised in that the surface of the second sound absorption unit is provided with
Antiultraviolet diaphragm；
The thickness of the antiultraviolet diaphragm is more than 50 μm.
8. absorbent lined barrier device according to claim 5, it is characterised in that the absorbent lined barrier device also includes：PE is total to
Shake film；
The PE resonance membranes are arranged at the outside of the centrifugally glass-wool.
9. absorbent lined barrier device according to claim 1, it is characterised in that the thickness of the first sound absorption unit is 0.6
~1.5mm, the punching rate of the first sound absorption unit are less than 20%, and the opening diameter of the first sound absorption unit is 2.3mm.
10. absorbent lined barrier device according to claim 1, it is characterised in that the thickness of the second sound absorption unit for 8~
12mm, the longitudinal tensile strength of the second sound absorption unit are more than 60MPa, and the transverse tensile strength of the second sound absorption unit is big
In MPa, the buckling strength of the second sound absorption unit is more than 85MPa, the transverse bending strength of the second sound absorption unit
More than 85MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720400454.7U CN207159849U (en) | 2017-04-17 | 2017-04-17 | A kind of absorbent lined barrier device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720400454.7U CN207159849U (en) | 2017-04-17 | 2017-04-17 | A kind of absorbent lined barrier device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207159849U true CN207159849U (en) | 2018-03-30 |
Family
ID=61709800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720400454.7U Active CN207159849U (en) | 2017-04-17 | 2017-04-17 | A kind of absorbent lined barrier device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207159849U (en) |
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2017
- 2017-04-17 CN CN201720400454.7U patent/CN207159849U/en active Active
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