CN108755466B - Environment-friendly noise absorbing wall - Google Patents
Environment-friendly noise absorbing wall Download PDFInfo
- Publication number
- CN108755466B CN108755466B CN201810517917.7A CN201810517917A CN108755466B CN 108755466 B CN108755466 B CN 108755466B CN 201810517917 A CN201810517917 A CN 201810517917A CN 108755466 B CN108755466 B CN 108755466B
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- China
- Prior art keywords
- electric energy
- collecting pipe
- mechanical
- sound wave
- sound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010521 absorption reaction Methods 0.000 claims abstract description 13
- 229920002379 silicone rubber Polymers 0.000 claims description 18
- 230000030279 gene silencing Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 7
- 230000008030 elimination Effects 0.000 claims description 6
- 238000003379 elimination reaction Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 235000001968 nicotinic acid Nutrition 0.000 abstract description 2
- 239000011358 absorbing material Substances 0.000 description 5
- 229910000746 Structural steel Inorganic materials 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000010963 304 stainless steel Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
- 239000004639 urea-formaldehyde foam Substances 0.000 description 1
Images
Classifications
-
- 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
- E01F8/0029—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with porous surfaces, e.g. concrete with porous fillers
-
- 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
- E01F8/0094—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic constructions for generation of phase shifting
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
Abstract
The invention discloses an environment-friendly noise reduction wall which comprises a wall support body (3) and a plurality of mechanical noise reduction modules (1) and electric energy noise reduction modules (2) which are uniformly arranged on the wall support body (3). From the perspective of human living environment and energy conservation, the invention improves the quality of living environment of people by absorbing noise on one hand, and changes the noise into valuables on the other hand, so that low-grade sound energy is converted into high-grade electric energy by a bionics absorption system. The invention can realize the treatment of noise pollution and the utilization of noise energy.
Description
Technical Field
The invention belongs to the technical field of noise elimination and reduction, and particularly relates to an environment-friendly noise elimination wall.
Background
Noise pollution is a public nuisance in production and life, particularly, the problem of traffic noise in cities becomes serious day by day, and the noise pollution cannot be reduced fundamentally by the traditional treatment methods such as arranging sound insulation walls on two sides of a road and the like. Noise is used as energy, and if the noise can be effectively collected and utilized, the harm of the noise can be reduced, and energy can be saved, so that the two purposes are achieved.
Disclosure of Invention
Aiming at the existing problems, the invention provides the environment-friendly noise-absorbing wall, the wall can absorb noise efficiently, can effectively enhance the energy loss in the sound transmission process, and is convenient to arrange, simple to install, and convenient to combine and adapt to various road environments.
The invention is realized by adopting the following technical scheme:
an environment-friendly noise reduction wall comprises a wall support body, and a plurality of mechanical noise reduction modules and electric energy noise reduction modules which are uniformly arranged on the wall support body.
A further development of the invention consists in that the mechanical sound-damping modules and the electrical sound-damping modules are arranged alternately on the wall support.
A further improvement of the invention is that the wall support comprises a number of fixing plates, angle irons for connecting the fixing plates together, and blocks of sound-absorbing material arranged on the surface of the number of fixing plates.
The invention has the further improvement that the center of the sound absorption material block is provided with a honeycomb hole, and the mechanical silencing module or the electric energy silencing module is arranged in the central honeycomb hole of the corresponding sound absorption material block.
The invention is further improved in that the wall support body has a radian of 120 degrees to 150 degrees in the whole and has a radian of 120 degrees to 150 degrees in the vertical direction.
The mechanical sound attenuation module is further improved in that the mechanical sound attenuation module comprises a mechanical sound wave collecting pipe, the mechanical sound wave collecting pipe is in a tapered horn shape, the small opening side of the mechanical sound wave collecting pipe is connected with a silicon rubber film, the circle center of the silicon rubber film is connected with a power arm assembly, the ratio of a power arm to a resistance arm of the power arm assembly is 4/3, the area ratio of the silicon rubber film to the plane of the other side of the power arm is 20/1, the power arm is fixed on a base, the side, which is not connected with the silicon rubber film, of the power arm assembly is connected to a buffer module, and the buffer module is fixed.
The invention is further improved in that the inner side of the mechanical sound wave collecting pipe is coated with the methyl-silicone rubber, and the thickness of the silicon rubber film is 0.2-0.5 mm.
The invention has the further improvement that the electric energy noise elimination module comprises an electric energy sound wave collecting pipe and an acoustoelectric transducer, wherein the two ends of the electric energy sound wave collecting pipe are opened, the electric energy sound wave collecting pipe is in a tapered horn shape, a loudspeaker of the acoustoelectric transducer is used for connecting a sound production surface with the electric energy sound wave collecting pipe through liquid glue, the output end of the acoustoelectric transducer is connected with the input end of the rectifying circuit, and the output end of the.
The invention is further improved in that nail polish gel is coated on the inner side of the electric energy sound wave collecting pipe.
The invention is further improved in that the rectifying circuit is full-bridge rectification or half-bridge rectification.
The invention has the following beneficial technical effects:
1. the invention has good sound absorption effect, is formed by compounding a plurality of structures, has relatively loose structure and strong sound absorption capacity, and has a large number of pores and sound absorption monomers.
2. According to the acoustic propagation principle, the wall body has a certain radian, and the angle can be 120 degrees and 150 degrees according to different application occasions, so that the wall body is suitable for various working environments.
In summary, the invention starts from the perspective of human living environment and energy conservation, on one hand, improves the quality of living environment of people by absorbing noise, and on the other hand, changes the noise into valuables, so that low-grade sound energy is converted into high-grade electric energy by a bionics absorbing system. The invention can realize the treatment of noise pollution and the utilization of noise energy.
Drawings
Fig. 1 is a schematic view of a mechanical muffler module of the present invention.
Fig. 2 is a schematic diagram of the electric power muffling module of the present invention.
Fig. 3 is a flow chart of the operation of the present invention.
Fig. 4 is a front view of the structure of the silencing wall body.
Fig. 5 is a top view of the structure of the muffling wall body of the present invention.
In the figure: 1-mechanical silencing module, 2-electric energy silencing module, 3-wall support body;
101-mechanical sound wave collecting pipe, 102-silicon rubber film, 103-power arm component, 104-buffer module, 105-base;
201-electric energy sound wave collecting pipe, 202-acoustoelectric transducer, 203-rectifying circuit, 204-load;
301-a fixed plate, 302-a block of sound absorbing material.
Detailed Description
Specific embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While specific embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Referring to fig. 1, the mechanical noise elimination module 1 includes a mechanical sound wave collecting pipe 101 with openings at two ends, and nail polish glue is coated on the inner side of the mechanical sound wave collecting pipe 101, so that the inner surface is smooth, sound conduction is facilitated, and the inner surface is protected. The mechanical sound wave collecting tube 101 is in a tapered horn shape, the small opening side is connected with the silicon rubber film 102, the thickness of the silicon rubber film 102 can be 0.2-0.5mm, and silica gel can be selected for connection for adhesion, but not limited to the silica gel. The circle center of the silicon rubber film 102 is connected with the power arm assembly 103 through silicon rubber, the ratio of the power arm to the resistance arm of the power arm assembly 103 is 4/3, and the area ratio of the silicon rubber film 102 to the plane on the other side of the power arm is 20/1. The power arm is fixed on the base 105 by a thin iron rod with the diameter of 0.8-1 mm. The side of the power arm assembly 103 not connected with the silicon rubber film is connected with the buffer module 104 by liquid glue including but not limited to 502 glue and the like, the buffer module 104 can be selected from various structures such as springs and sponges according to the situation, and piezoelectric materials include but not limited to PZT piezoelectric ceramics and the like. After the noise enters the mechanical silencing module, the sound energy is converted into kinetic energy, elastic potential energy or electric energy.
Referring to fig. 2, the electric energy noise elimination module 2 includes an electric energy sound wave collecting pipe 201 with openings at two ends, and nail polish glue is smeared on the inner side of the electric energy sound wave collecting pipe 201, so that the inner surface is smooth, sound conduction is facilitated, and the inner surface is protected. The electric energy sound wave collecting pipe 201 is in a tapered horn shape, and the acoustoelectric transducer 202, including but not limited to a loudspeaker, connects the sound production surface with the electric energy sound wave collecting pipe 201 by liquid glue. The output of the acoustoelectric transducer 202 is connected to a rectifying circuit 203, which rectifying circuit 203 includes, but is not limited to, full-bridge rectification, half-bridge rectification, etc. The output dc power is then coupled to a load 204. The acoustoelectric transducer 202 and the rectifying circuit 203 are connected by soldering, and the rectifying circuit 203 and the load 204 are connected by soldering. The electricity is absorbed and is utilized the sound electricity transducing head, turns into the signal of telecommunication with sound, supplies power for electrical apparatus through half-bridge rectifier circuit.
The mechanical silencing modules 1 and the electric silencing modules 2 are alternately arranged on the wall support body 3, and the arrangement modes with different distribution densities are used according to different environments.
The whole wall body has the radian of 120 degrees and 150 degrees, each part of the wall body is welded by 304 stainless steel, and the wall body has the radian of 120 degrees to 150 degrees in the vertical direction so as to increase the number of the silencing modules.
As shown in fig. 4, the environment-friendly noise reduction wall provided by the present invention comprises a wall support 3, and a plurality of mechanical noise reduction modules 1 and electrical noise reduction modules 2 uniformly arranged on the wall support 3. The wall supporting body 3 includes a plurality of fixing plates 301, angle irons for connecting the fixing plates 301 together, and a block of sound absorbing material 302 disposed on the surface of the plurality of fixing plates 301. Honeycomb holes are uniformly distributed on the sound absorption material block 302, the honeycomb holes are round holes, the aperture is 2-3mm, and the aperture ratio is 20-30%.
The block of sound absorbing material 302 includes, but is not limited to, organic fibrous materials, hemp felt, inorganic fibrous materials, glass wool, rock wool, mineral wool, urea formaldehyde foam, urethane foam.
As shown in fig. 5, the mechanical sound-absorbing modules and the electrical sound-absorbing modules are arranged alternately, and the middle of the mechanical sound-absorbing modules and the electrical sound-absorbing modules are filled with sound-absorbing materials.
The angle iron bracket can be made of No. 4-6 hot-rolled equal-side angle iron, and the monomer base is welded on the plane of the angle iron.
The fixing plate is made of 304 stainless steel and fixed on the angle steel in a grid or cross mode so as to prevent the absorption monomers and the surface sound absorption filling material from falling off.
The thickness of the wall support 3 is 30mm-40mm, and the thickness of the sound absorption material block 302 is 20 mm.
The density of the wall support 3 is 25kg/m2The surface density is small, the volume is constant, the mass is small, and the construction difficulty is low. Simple fixation and wide application range.
Claims (1)
1. The environment-friendly noise reduction wall is characterized by comprising a wall support body (3) and a plurality of mechanical noise reduction modules (1) and electric energy noise reduction modules (2) which are uniformly arranged on the wall support body (3), wherein the mechanical noise reduction modules (1) and the electric energy noise reduction modules (2) are alternately arranged on the wall support body (3);
the wall support body (3) is integrally in a radian of 120 degrees and 150 degrees in the vertical direction;
the mechanical sound attenuation module (1) comprises a mechanical sound wave collecting pipe (101), the mechanical sound wave collecting pipe (101) is in a tapered horn shape, the small opening side is connected with a silicon rubber film (102), the circle center of the silicon rubber film (102) is connected with a power arm assembly (103), the ratio of a power arm to a resistance arm of the power arm assembly (103) is 4/3, the area ratio of the silicon rubber film (102) to the plane of the other side of the power arm is 20/1, the thickness of the silicon rubber film (102) is 0.2-0.5mm, the power arm is fixed on a base (105), one side, which is not connected with the silicon rubber film, of the power arm assembly (103) is connected to a buffer module (104), and the buffer module (104) is fixed on the base (105); the inner side of the mechanical sound wave collecting pipe (101) is coated with nail polish gel;
the wall support body (3) comprises a plurality of fixing plates (301), angle steel for connecting the fixing plates (301) together, and sound absorption material blocks (302) arranged on the surfaces of the fixing plates (301);
the electric energy noise elimination module (2) comprises an electric energy sound wave collecting pipe (201) with two open ends and an acoustoelectric transducer (202), the electric energy sound wave collecting pipe (201) is in a tapered horn shape, a loudspeaker of the acoustoelectric transducer (202) connects a sound production surface with the electric energy sound wave collecting pipe (201) through liquid glue, the output end of the acoustoelectric transducer (202) is connected with the input end of a rectifying circuit (203), and the output end of the rectifying circuit (203) is connected with a load (204); the inner side of the electric energy sound wave collecting pipe (201) is coated with nail polish gel;
a honeycomb hole is formed in the center of the sound absorption material block (302), and the mechanical silencing module (1) or the electric energy silencing module (2) is arranged in the central honeycomb hole corresponding to the sound absorption material block (302);
the rectifying circuit (203) is full-bridge rectification or half-bridge rectification.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810517917.7A CN108755466B (en) | 2018-05-25 | 2018-05-25 | Environment-friendly noise absorbing wall |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810517917.7A CN108755466B (en) | 2018-05-25 | 2018-05-25 | Environment-friendly noise absorbing wall |
Publications (2)
Publication Number | Publication Date |
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CN108755466A CN108755466A (en) | 2018-11-06 |
CN108755466B true CN108755466B (en) | 2021-01-19 |
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CN201810517917.7A Expired - Fee Related CN108755466B (en) | 2018-05-25 | 2018-05-25 | Environment-friendly noise absorbing wall |
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Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2419249Y (en) * | 2000-03-29 | 2001-02-14 | 洪波 | Composite transparent acoustic shielding device |
KR100875478B1 (en) * | 2007-12-07 | 2008-12-22 | (주)삼정스틸 | Road soundproofing wall |
CN106208808B (en) * | 2016-07-18 | 2018-01-02 | 辽宁工程技术大学 | A kind of noise power generator and method based on the conduction of people's otica chain type |
CN206844386U (en) * | 2017-06-16 | 2018-01-05 | 五经科技有限公司 | A kind of wall using noise electrification energy storage |
CN207348275U (en) * | 2017-10-22 | 2018-05-11 | 王明 | A kind of building curtain wall of strong noise-reducing performance |
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2018
- 2018-05-25 CN CN201810517917.7A patent/CN108755466B/en not_active Expired - Fee Related
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Granted publication date: 20210119 |
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