CN210856987U - Sound insulation and sound barrier - Google Patents
Sound insulation and sound barrier Download PDFInfo
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- CN210856987U CN210856987U CN201921729151.5U CN201921729151U CN210856987U CN 210856987 U CN210856987 U CN 210856987U CN 201921729151 U CN201921729151 U CN 201921729151U CN 210856987 U CN210856987 U CN 210856987U
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Abstract
The utility model discloses a sound insulation and sound barrier, which comprises a bracket, a first sound absorption plate, a second sound absorption plate and a sound insulation plate which are arranged at intervals; the lower end of the support is vertically arranged, one side of the upper end of the support, which faces a noise source, is in an arc shape, the first sound absorption plate and the second sound absorption plate are vertically fixed on the two adjacent supports, and the sound insulation plate is vertically arranged between the first sound absorption plate and the second sound absorption plate; the first sound absorption plate is arranged at the upper end of the support, the upper end of the first sound absorption plate is arc-shaped and matched with the support, the second sound absorption plate is arranged at the lower end of the support, the sound insulation plate comprises two transparent plates, and an interval is reserved between the two transparent plates to form a vacuum interlayer. The upper part and the lower part of the sound insulation and sound barrier are respectively provided with the sound absorption plate, and the middle part of the sound insulation and sound barrier is provided with the sound insulation plate, so that the diffraction of noise can be effectively weakened; the sound insulation board adopts the double-deck transparent plate that the luminousness is high, and takes out the interlayer to vacuum, when effectively blocking the propagation path of sound wave, also provides an open field of vision environment for driver and resident.
Description
Technical Field
The utility model relates to a traffic noise administers the field, concretely relates to sound insulation sound barrier.
Background
Along with the development of national economy, the construction of highways and railways is increasingly perfect, the highways and the railways bring convenience to people going out and noise pollution to residents along the line, and therefore, the existing highways are usually provided with sound barriers along residential areas so as to reduce the influence of noise on the residents along the line.
The current sound barrier mostly adopts metal plates as main bodies, the noise absorption effect is not obvious, and the absorbed noise still does not accord with the emission standard.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solves the problem that current sound barrier is not showing too much to the absorption effect of noise, provides a sound insulation sound barrier, weakens the diffraction of noise through setting up acoustic baffle and to the conversion of acoustic energy to the absorption effect of noise has been improved.
The utility model discloses a following technical scheme realizes:
a sound insulation barrier comprises a plurality of brackets, a first sound absorption plate, a second sound absorption plate and a sound insulation plate; the lower ends of the brackets are vertically arranged, the brackets are arranged at intervals, one side of the upper end of each bracket, which faces a noise source, is in an arc shape, the first sound absorbing plate and the second sound absorbing plate are vertically fixed on the two adjacent brackets, and the sound insulating plate is vertically arranged between the first sound absorbing plate and the second sound absorbing plate; the first sound absorption plate is arranged at the upper end of the support, the upper end of the first sound absorption plate is arc-shaped and matched with the support, the second sound absorption plate is arranged at the lower end of the support, the sound insulation plate comprises two transparent plates, and an interval is reserved between the two transparent plates to form a vacuum interlayer. The upper part and the lower part of the sound insulation and sound barrier are respectively provided with the sound absorption plate, the middle part of the sound insulation and sound barrier is provided with the sound insulation plate, sound waves are reflected when contacting the sound insulation plate and absorbed when contacting the sound absorption plate, and the structure can effectively weaken the diffraction of noise; in addition, the sound insulation board at the middle part adopts a double-layer transparent board with higher light transmittance, and the interlayer is vacuumized, so that the sound wave propagation path is effectively blocked, and meanwhile, a wide visual field environment is provided for drivers and residents.
Further, first acoustic baffle and second acoustic baffle are all including being located the sound absorption panel of noise source one side, deviating from the sound absorption backplate of noise source one side and filling the sound absorption cotton between sound absorption panel and sound absorption backplate, and it has a plurality of to inhale the sound pinhole to open uniformly on the sound absorption panel, and the percent opening is 30% to 50%. When noise that noise source department sent passes to the sound absorption panel of first sound absorption board or second sound absorption board, enter into first sound absorption board or second sound absorption board through the sound pinhole of inhaling on the sound absorption panel, be equipped with between sound absorption panel and the sound absorption backplate and inhale the sound cotton, the sound cotton of inhaling of here can be centrifugal glass cotton, the rock wool, mineral wool or plant fiber spraying etc. inhale the hole that there is a large amount of micro intercommunications in the cotton inside of inhaling the sound, the sound wave of noise can be deepened along these holes and inhale the cotton inside, take place repetitious reflection and friction with inhaling the sound cotton, thereby turn into heat energy consumption with original acoustic energy and fall. The aperture ratio of the sound absorption panel is between 30% and 50%, and the sound absorption effect of the first sound absorption plate and the second sound absorption plate is ensured in the range of convenient processing.
Furthermore, the sound insulation board is a reinforced acrylic board, the acrylic board is also called an organic glass board, the sound insulation board has excellent transparency, the light transmittance of the sound insulation board is up to more than 92%, a wide visual field can be provided for a driver, and the visual fatigue of the driver in the driving process is effectively relieved; in addition, the acrylic plate has strong adaptability to the natural environment, the performance of the acoustic plate can not be changed even after long-time sunlight irradiation and wind, wind and rain, the anti-aging performance is good, the replacement and maintenance times of the acoustic plate are reduced, the workload is greatly reduced for road maintenance personnel, and finally the acrylic plate has good processing performance, so that the manufacturing and maintenance of the acoustic plate are facilitated. In addition, the acrylic plate is reinforced, the strength and the rigidity of the acrylic plate are effectively improved, and the wind resistance of the sound insulation plate is further improved.
Furthermore, the support is an H-shaped steel upright post, the surface of the H-shaped steel upright post is provided with a zinc coating with the thickness of more than 80 microns, and the surface of the zinc coating is provided with a pure polyester plastic spraying layer with the thickness of more than 60 microns. Firstly, the H-shaped steel belongs to an efficient and economic section bar, has high structural strength and large section modulus, and can save metal by 10 to 15 percent under the same bearing condition; in addition, the H-shaped steel upright post has light self-weight, high structural stability, good plasticity and flexibility and strong natural disaster resistance; according to statistics, in the occurrence of more than 7-grade destructive earthquake disasters in the world, the steel structure building mainly made of H-shaped steel has the minimum damage degree. And secondly, the surface of the H-shaped steel column is provided with a zinc coating with the thickness of more than 80 microns, and the zinc coating not only provides mechanical protection for the H-shaped steel column matrix, but also provides electrochemical protection to effectively prevent the H-shaped steel column from being corroded in the using process. And finally, a pure polyester plastic spraying layer with the thickness of more than 60 mu m is arranged on the surface of the zinc coating layer, so that the damage of corrosion oxidation to the H-shaped steel upright post is further prevented.
Further, rubber strips are arranged between the first sound absorption plate and the support and between the second sound absorption plate and the support. The rubber strip has the cushioning effect, and when this device was installed on highway or train railway, the inevitable vibration that takes place caused the absorption effect to the noise to weaken under the effect of sound wave, and the rubber strip has certain cushioning effect to the vibration to the effectual stability of guaranteeing this device.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the sound insulation plate is arranged into double layers, and the interlayer is vacuumized, so that the blocking capacity of the sound insulation plate on noise is effectively improved;
2. the zinc coating with the thickness of more than 80 microns is arranged on the surface of the H-shaped steel stand column, and the pure polyester plastic spraying layer with the thickness of more than 60 microns is arranged on the surface of the zinc coating, so that the H-shaped steel stand column base body is protected mechanically, and the H-shaped steel stand column is protected electrochemically to effectively prevent the H-shaped steel stand column from being corroded in the using process.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial enlarged view of the bracket of the present invention;
FIG. 3 is a side view of a second acoustical panel of the present invention;
fig. 4 is a partial side view of the middle partition panel according to the present invention.
Reference numbers and corresponding part names in the drawings:
1-support, 2-first sound absorption plate, 3-second sound absorption plate, 4-sound insulation plate, 6-rubber strip, 11-zinc coating, 12-pure polyester plastic spraying layer, 21-sound absorption panel, 22-sound absorption back plate and 23-sound absorption cotton.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example (b):
as shown in fig. 1 to 4, a sound-insulating and sound-insulating barrier comprises a bracket 1, a first sound-absorbing panel 2, a second sound-absorbing panel 3 and a sound-insulating panel 4 which are arranged at intervals; in the implementation, a support 1 is installed on a guard rail of a highway or outside a guard rail of a railway through foundation bolts, the support 1 is an H-shaped steel upright post, the H-shaped steel upright post is vertically arranged, one side, facing a noise origin place, of the upper end of the H-shaped steel upright post is arranged in an arc shape, a galvanized layer 11 with the thickness of 80-130 microns is arranged on the surface of the H-shaped steel upright post, a pure polyester plastic-sprayed layer 12 with the thickness of 70-100 microns is arranged on the surface of the galvanized layer 11, and a plurality of H-shaped steel upright posts are arranged on the guard rail at intervals.
The second sound absorption plate 2 is vertically embedded into the grooves of two adjacent H-shaped steel stand columns and is positioned at the lower ends of the H-shaped steel stand columns, and a rubber strip 6 for damping is arranged between the second sound absorption plate 2 and the grooves of the H-shaped steel; first acoustic baffle 2 imbeds in the recess of two adjacent H shaped steel stands, is located the upper end of H shaped steel stand, and first acoustic baffle 2 upper end be with H shaped steel stand assorted arc, and also be equipped with between the recess of first acoustic baffle 2 and H shaped steel and be used for absorbing rubber strip 6. The sound insulation plate 4 is vertically arranged between the first sound absorption plate 2 and the second sound absorption plate 3; and leave the interval between two transparent plates and form the interlayer, what septum acoustic panel 4 adopted in this embodiment is that add muscle acrylic plate, leaves certain interval between two muscle acrylic plates, with two muscle acrylic plate interlayers evacuation to the vacuum, the effectual propagation of blocking the sound wave. In the embodiment, the interlayer is vacuumized, which is the prior art, for example, the volume of a pump body is changed by the continuous movement of a piston pump, and gas is discharged to obtain vacuum.
In this embodiment, first acoustic baffle 2 and second acoustic baffle 3 all include the sound absorption panel 21 that is located noise source one side, deviate from the sound absorption backplate 22 of noise source one side and fill the sound absorption cotton 23 between sound absorption panel 21 and sound absorption backplate 22, and it has a plurality of to inhale the sound pinhole to open uniformly on the sound absorption panel 21, and the percent opening is 30% to 50%. When the noise that noise source department sent passes to first acoustic baffle 2 or second acoustic baffle 3's sound absorption panel 21, enter into in first acoustic baffle 2 or second acoustic baffle 3 through the sound absorption pinhole on the sound absorption panel 21, be equipped with between sound absorption panel 21 and the sound absorption backplate 22 and inhale sound cotton 23, sound cotton 23 of inhaling here can be centrifugal glass cotton, rock wool, mineral wool or plant fiber spraying etc. there is the hole of a large amount of minute intercommunications in the inside of inhaling sound cotton 23, the sound wave of noise can go deep into inside inhaling sound cotton 23 along these holes, take place many times of reflection and friction with inhaling sound cotton 23, thereby turn into heat energy with original acoustic energy and consume. The aperture ratio of the sound absorption panel 21 is between 30% and 50%, and the sound absorption effect of the first sound absorption plate 2 and the second sound absorption plate 3 is ensured in the range of convenient processing.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A sound insulation and sound barrier is characterized by comprising a plurality of brackets (1), a first sound absorption plate (2), a second sound absorption plate (3) and a sound insulation plate (4); the lower ends of the supports (1) are vertically arranged, the supports (1) are arranged at intervals, one side, facing a noise source, of the upper end of each support (1) is arranged in an arc shape, the first sound absorption plate (2) and the second sound absorption plate (3) are vertically fixed on the two adjacent supports (1), and the sound insulation plate (4) is vertically arranged between the first sound absorption plate (2) and the second sound absorption plate (3); the first sound absorption plate (2) is arranged at the upper end of the support (1), the upper end of the first sound absorption plate (2) is arc-shaped and matched with the support (1), the second sound absorption plate (3) is arranged at the lower end of the support (1), the sound insulation plate (4) comprises two transparent plates, and a space is reserved between the two transparent plates to form a vacuum interlayer.
2. A sound-insulating and sound-insulating barrier as claimed in claim 1, wherein each of said first and second sound-absorbing panels (2, 3) comprises a sound-absorbing panel (21) on one side of the noise source, a sound-absorbing back panel (22) on one side facing away from the noise source, and sound-absorbing cotton (23) filled between the sound-absorbing panel (21) and the sound-absorbing back panel (22), said sound-absorbing panel (21) being uniformly perforated with sound-absorbing pinholes, and the opening ratio being 30% to 50%.
3. A sound-insulating and sound-insulating barrier according to claim 1, characterised in that the sound-insulating panel (4) is a reinforced acrylic panel.
4. The sound insulation and sound barrier according to claim 1, wherein the support (1) is an H-shaped steel column, the surface of the H-shaped steel column is provided with a zinc coating (11) with the thickness of more than 80 μm, and the surface of the zinc coating (11) is provided with a pure polyester plastic spraying layer (12) with the thickness of more than 60 μm.
5. A sound-insulating and sound-insulating barrier as claimed in claim 1, characterized in that rubber strips (6) are provided between the first sound-absorbing panel (2) and the holder (1) and between the second sound-absorbing panel (3) and the holder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921729151.5U CN210856987U (en) | 2019-10-15 | 2019-10-15 | Sound insulation and sound barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921729151.5U CN210856987U (en) | 2019-10-15 | 2019-10-15 | Sound insulation and sound barrier |
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| Publication Number | Publication Date |
|---|---|
| CN210856987U true CN210856987U (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921729151.5U Active CN210856987U (en) | 2019-10-15 | 2019-10-15 | Sound insulation and sound barrier |
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| CN (1) | CN210856987U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112342947A (en) * | 2020-11-05 | 2021-02-09 | 无锡贝通环保新材料有限公司 | Insert plate type sound barrier filled with modified bamboo aggregate |
| CN115262439A (en) * | 2022-06-15 | 2022-11-01 | 浙江高信技术股份有限公司 | Noise reduction guardrail and active noise reduction barrier for urban expressway |
-
2019
- 2019-10-15 CN CN201921729151.5U patent/CN210856987U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112342947A (en) * | 2020-11-05 | 2021-02-09 | 无锡贝通环保新材料有限公司 | Insert plate type sound barrier filled with modified bamboo aggregate |
| CN112342947B (en) * | 2020-11-05 | 2021-07-13 | 无锡贝通环保新材料有限公司 | Insert plate type sound barrier filled with modified bamboo aggregate |
| CN115262439A (en) * | 2022-06-15 | 2022-11-01 | 浙江高信技术股份有限公司 | Noise reduction guardrail and active noise reduction barrier for urban expressway |
| CN115262439B (en) * | 2022-06-15 | 2024-01-23 | 浙江高信技术股份有限公司 | Noise reduction guardrail and active noise reduction barrier for urban expressway |
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