CN215164854U - Transparent sound insulation device for sound barrier - Google Patents
Transparent sound insulation device for sound barrier Download PDFInfo
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- CN215164854U CN215164854U CN202120839481.0U CN202120839481U CN215164854U CN 215164854 U CN215164854 U CN 215164854U CN 202120839481 U CN202120839481 U CN 202120839481U CN 215164854 U CN215164854 U CN 215164854U
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Abstract
The utility model discloses a sound barrier is with transparent sound arrester, including sound absorption unit, side frame, end frame and sound insulation unit, the both sides of sound insulation unit all are provided with the side frame, and the lower extreme of sound insulation unit is provided with the end frame, the upper end of sound insulation unit is provided with the sound absorption unit, the sound absorption unit includes sound absorption panel, sound absorption backplate and sound absorbent, the inside sound absorbent that is provided with of glass backplate, and glass backplate one side is provided with glass panels, the sound insulation unit includes transparent plate, microperforated panel, connecting piece and cavity, one side of transparent plate is provided with the microperforated panel, and is provided with the cavity between transparent plate and the microperforated panel. This transparent sound arrester for sound barrier satisfies on the basis of the light-permeable and sound insulation effect that traditional sound barrier had, makes the transparent plate unit for the sound barrier have good noise reduction effect, has increased the holistic insertion loss of sound barrier, the effectual influence that has reduced the resident.
Description
Technical Field
The utility model belongs to the technical field of noise control, specifically be a transparent sound arrester is used to sound barrier.
Background
In recent years, along with the deepening of the construction of the country for the beautiful life of people, the increasing of the supervision of environmental problems and the increasing of the environmental awareness of residents, various environmental problems are more and more emphasized originally. For urban residents, traffic noise is a main influence factor, and the most adopted method for solving the problem of traffic noise is to set sound barriers at two sides of a road at present, so that the influence of the traffic noise on the lives of the residents can be effectively reduced. The sound barrier is a barrier which is arranged between a noise source and a receiving point and used for blocking noise transmission, and the sound barrier is divided into a pure sound insulation type sound barrier and a sound absorption and insulation composite type sound barrier according to the action type of the sound barrier. As for the noise reduction effect, the sound absorption and insulation composite type sound barrier has better sound absorption capacity, can effectively reduce sound transmission sound energy and reflected sound energy, not only reduces primary transmission sound energy, but also reduces the problem of noise reduction effect reduction caused by multiple reflected sound, and has better protection effect on sensitive points than a pure sound insulation type sound barrier. In order to solve the problems of light transmission of the sound barrier, researchers use products such as laminated glass, PC (polycarbonate) plates and acrylic plates to apply to the sound barrier.
Disclosure of Invention
The above-mentioned problem to prior art exists, the utility model aims to solve the technical problem that a transparent sound arrester is used to sound barrier is provided to it is not good to solve present sound insulation board light transmissivity, the obscure problem of noise reduction effect.
In order to solve the technical problem, the utility model discloses a technical scheme be:
the utility model provides a transparent sound arrester for sound barrier, includes sound absorption unit, side frame, end frame and sound insulation unit, the both sides of sound insulation unit all are provided with the side frame, and the lower extreme of sound insulation unit is provided with the end frame, the upper end of sound insulation unit is provided with the sound absorption unit, the sound absorption unit includes sound absorption panel, sound absorption backplate and sound absorbent, the inside sound absorbent that is provided with of sound absorption backplate, and sound absorption backplate one side is provided with the sound absorption panel, the sound insulation unit includes transparent plate, microperforated panel, connecting piece and cavity, one side of transparent plate is provided with the microperforated panel, and is provided with the cavity between transparent plate and the microperforated panel, the transparent plate all is provided with the connecting piece with the upper and lower both ends of microperforated panel.
Furthermore, the sound absorption panel and the sound absorption backboard are both metal plates, and through holes are uniformly formed in the sound absorption panel and the sound absorption backboard.
Furthermore, the sound absorption panel and the sound absorption back plate are both acrylic plates or carbonate plates, and the thickness of the sound absorption panel and the thickness of the sound absorption back plate are both 1.2-3 mm.
Further, the thickness of the sound absorption unit is 50-100 mm.
Further, the sound absorption material is glass wool, rock wool, melamine wool, polyester fiber or through-hole foamed aluminum.
Further, the transparent plate sets up in the outside, and the microperforated panel sets up at the innermost side, and the transparent plate is ya keli transparent plate or carbonic ester transparent plate.
Furthermore, the thickness of the transparent plate is 10-25mm, and the thickness of the cavity is 5-10 mm.
Furthermore, the micro-perforated plate is provided with an opening with the aperture of 0.6mm to 1.2mm and the center distance of the holes of 2.3mm to 5 mm.
Furthermore, the vertical section of the transparent sound absorption and insulation plate is in an inverted trapezoid shape, and the included angle between the sound absorption unit and the sound insulation unit is 25-60 degrees.
Has the advantages that: compared with the prior art, the method has the following advantages:
this transparent sound arrester for sound barrier satisfies on the basis of the light-permeable and sound insulation effect that traditional sound barrier had, makes the transparent plate unit for the sound barrier have good noise reduction effect, has increased the holistic insertion loss of sound barrier, the effectual influence that has reduced the resident.
Drawings
FIG. 1 is a schematic view of a transparent sound-proof device for a sound barrier;
FIG. 2 is a side view of a transparent sound isolation device for a sound barrier;
FIG. 3 is an enlarged view at A;
FIG. 4 is a schematic view of a sound absorbing unit;
fig. 5 is a partial structural schematic view of the sound absorbing unit.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 4, and 5, the transparent sound insulation device for a sound barrier of the present application includes a sound absorption unit 1, side frames 2, a bottom frame 3, and a sound insulation unit 4, the side frames 2 are disposed on both sides of the sound insulation unit 4, the bottom frame 3 is disposed on the lower end of the sound insulation unit 4, the sound absorption unit 1 is disposed on the upper end of the sound insulation unit 4, the sound absorption unit 1 and the sound insulation unit 4 are hermetically connected together by a connecting member, the sound absorption unit 1 includes a sound absorption panel 101, a sound absorption backboard 102, and a sound absorption material 103, the sound absorption unit 1 is a metal perforated sound absorption structure, the metal perforated sound absorption structure is filled with ultra-fine glass wool as a sound absorption material, the ultra-fine glass wool is used as a sound absorption material of the structure, the sound absorption structure can have a higher noise reduction coefficient, and the weight is lighter than that of ordinary glass wool, the sound absorption panel 101 and the sound absorption backboard 102 are aluminum alloy, the aluminum alloy is used as a corrosion resistance of the structure can be increased, the applicable environment and the service life of the structure are increased, the mass of the aluminum alloy is light, the sound absorption material 103 is arranged in the sound absorption back plate 102, the sound absorption panel 101 is arranged on one side of the sound absorption back plate 102, the sound insulation unit comprises a transparent plate 401, a micro-perforated plate 402, a connecting piece 403 and a cavity 404, the micro-perforated plate 402 is arranged on one side of the transparent plate 401, the cavity 404 is arranged between the transparent plate 401 and the micro-perforated plate 402, the cavity 404 with a certain thickness is arranged on the surfaces of the micro-perforated plate 402 and the transparent plate 401, the noise reduction performance of the structure can be further increased by using the micro-perforated sound absorption structure, the sound absorption design of the micro-perforated sound absorption structure can be carried out according to the characteristics of a noise source, the sound energy of the noise source is attenuated to the maximum extent, so that the transmission sound energy of the structure of the transparent plate 401 is reduced, the connecting pieces 403 are arranged at the upper and lower ends of the transparent plate 401 and the micro-perforated plate 402, the sound absorption unit 1 and the sound insulation unit 4 are connected through a certain included angle through the connecting pieces, according to the geometric acoustics principle, sound waves are incident into the sound insulation units to generate a sound reflection phenomenon, and the sound waves can be reflected into the sound absorption structure by the included angle of the structure, so that the whole structure is guaranteed to have good noise reduction performance.
The sound absorption panel 101 and the sound absorption back plate 102 are both metal plates, the sound absorption panel 101 and the sound absorption back plate 102 are preferably made of aluminum alloy, the corrosion resistance of the structure can be improved by using the aluminum alloy, the applicable environment and the service life of the structure are increased, the aluminum alloy is light in weight, and the sound absorption panel 101 and the sound absorption back plate 102 are uniformly provided with through holes.
The sound absorption panel 101 and the sound absorption back plate 102 are both acrylic plates or carbonate plates, the acrylic plates and the carbonate plates have excellent mechanical properties, the safety and the stability of the structure can be improved, and the thicknesses of the sound absorption panel 101 and the sound absorption back plate 102 are both 1.2-3 mm.
The sound-absorbing unit 1 has a thickness of 50-100 mm.
The sound absorption material 103 is glass wool or rock wool or melamine wool or polyester fiber or through-hole foamed aluminum.
The thickness of the transparent plate 401 is 10-25mm, and the thickness of the cavity 404 is 5-10 mm.
The micro-perforated plate 402 is provided with openings, the diameter of each opening is 0.6mm to 1.2mm, and the center distance of the openings is 2.3mm to 5 mm.
The vertical section of the transparent sound absorption and insulation plate is inverted trapezoid, the included angle between the sound absorption unit 1 and the sound insulation unit 4 is 25-60 degrees, the sound absorption unit 1 and the sound insulation unit 4 are connected through a connecting piece at a certain included angle, sound waves are incident into the sound insulation unit to generate a sound reflection phenomenon according to the geometric acoustics principle, the structure is provided with the included angle, so that the sound waves are reflected to enter the sound absorption structure, and the whole structure is guaranteed to have good noise reduction performance.
The present invention will be described in further detail with reference to embodiments. The raw materials used in the invention are all commercial products. The sound absorption test is carried out according to the national standard GB/T20247-2006 Acoustic reverberation room sound absorption measurement, and the sound absorption test site: an acoustic reverberation laboratory; the sound insulation test measures the third part according to the national standard GB/T19889.3-2005 acoustic building and building component sound insulation: laboratory measurements of building component air sound insulation "; sound insulation test site: a sound insulation laboratory.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, a sound barrier transparent sound absorption and insulation board includes a sound absorption unit 1 and a sound insulation unit 4, wherein one sound absorption unit 1 includes a sound absorption panel 101, a sound absorption back panel 102, and ultra-fine glass wool 103. The sound absorption panel 101 and the sound absorption back plate 102 are combined into a metal outer frame of the sound absorption unit 1, and the volume weight of the inner frame is 20kg/m3And 50mm thick ultra-fine glass wool 103. A sound insulation unit 4, a sound insulation unit comprising a transparent plate 401 and a micro-perforated plate 402. Fixed by means of a connection 403, a cavity 404 with a thickness of 8mm is present between the microperforated plate 402 and the transparent plate 401.
The sound insulation unit 4 is fixed with the sound absorption unit 1 and the bottom frame 3 through a connecting piece 403. An included angle of 60 degrees is formed between the fixed sound insulation unit 4 and the sound absorption unit 1. And the sound barrier transparent sound insulation board is formed after being fixed with the frame 2. After installation, the noise reduction coefficient is 0.50 to 0.75, and the weighted sound insulation quantity is 26dB to 30 dB.
The utility model provides a thought and implementation method of transparent sound arrester for sound barrier, the concrete application way is many, only above the utility model discloses an optimal implementation mode should point out, to this technical field's ordinary skilled person, is not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements, these improvements should also be regarded as the utility model discloses a protection scope.
Claims (9)
1. A transparent sound insulation device for a sound barrier is characterized in that: the sound insulation board comprises a sound absorption unit (1), side frames (2), a bottom frame (3) and a sound insulation unit (4), wherein the side frames (2) are arranged on two sides of the sound insulation unit (4), the bottom frame (3) is arranged at the lower end of the sound insulation unit (4), the sound absorption unit (1) is arranged at the upper end of the sound insulation unit (4), the sound absorption unit (1) comprises a sound absorption panel (101), a sound absorption back plate (102) and a sound absorption material (103), the sound absorption material (103) is arranged in the sound absorption back plate (102), the sound absorption panel (101) is arranged on one side of the sound absorption back plate (102), the sound insulation unit comprises a transparent plate (401), a micro-perforated plate (402), a connecting piece (403) and a cavity (404), the micro-perforated plate (402) is arranged on one side of the transparent plate (401), and the cavity (404) is arranged between the transparent plate (401) and the micro-perforated plate (402), and connecting pieces (403) are arranged at the upper end and the lower end of the transparent plate (401) and the upper end and the lower end of the micro-perforated plate (402).
2. The transparent sound-proof device for a sound barrier according to claim 1, characterized in that: the sound absorption panel (101) and the sound absorption back plate (102) are both metal plates, and through holes are uniformly formed in the sound absorption panel (101) and the sound absorption back plate (102).
3. The transparent sound-proof device for a sound barrier according to claim 1, characterized in that: the sound absorption panel (101) and the sound absorption back plate (102) are both acrylic plates or carbonate plates, and the thicknesses of the sound absorption panel (101) and the sound absorption back plate (102) are both 1.2-3 mm.
4. The transparent sound-proof device for a sound barrier according to claim 1, characterized in that: the thickness of the sound absorption unit (1) is 50-100 mm.
5. The transparent sound-proof device for a sound barrier according to claim 1, characterized in that: the sound absorption material (103) is glass wool, rock wool, melamine wool, polyester fiber or through-hole foamed aluminum.
6. The transparent sound-proof device for a sound barrier according to claim 1, characterized in that: the transparent plate (401) is arranged on the outermost side, the micro-perforated plate (402) is arranged on the innermost side, and the transparent plate (401) is an acrylic transparent plate or a carbonate transparent plate.
7. The transparent sound-proof device for a sound barrier according to claim 1, characterized in that: the thickness of the transparent plate (401) is 10-25mm, and the thickness of the cavity (404) is 5-10 mm.
8. The transparent sound-proof device for a sound barrier according to claim 1, characterized in that: the micro-perforated plate (402) is provided with an opening with the aperture of 0.6mm to 1.2mm and the center distance of the opening of 2.3mm to 5 mm.
9. The transparent sound-proof device for a sound barrier according to claim 1, characterized in that: the vertical section of the transparent sound absorption and insulation plate is inverted trapezoid, and the included angle between the sound absorption unit (1) and the sound insulation unit (4) is 25-60 degrees.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020214380882 | 2020-07-20 | ||
| CN202021438088 | 2020-07-20 |
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| Publication Number | Publication Date |
|---|---|
| CN215164854U true CN215164854U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120839481.0U Active CN215164854U (en) | 2020-07-20 | 2021-04-22 | Transparent sound insulation device for sound barrier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338179A (en) * | 2020-07-20 | 2021-09-03 | 四川中铁二院环保科技有限公司 | Transparent sound absorption and insulation board for sound barrier |
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2021
- 2021-04-22 CN CN202120839481.0U patent/CN215164854U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338179A (en) * | 2020-07-20 | 2021-09-03 | 四川中铁二院环保科技有限公司 | Transparent sound absorption and insulation board for sound barrier |
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