CN205443983U - Sound barrier and inhale sound insulation compoboard thereof - Google Patents
Sound barrier and inhale sound insulation compoboard thereof Download PDFInfo
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- CN205443983U CN205443983U CN201521112700.6U CN201521112700U CN205443983U CN 205443983 U CN205443983 U CN 205443983U CN 201521112700 U CN201521112700 U CN 201521112700U CN 205443983 U CN205443983 U CN 205443983U
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Abstract
The utility model relates to a sound barrier field discloses a sound barrier and inhale sound insulation compoboard thereof, including acoustic baffle and sound insulation board, still include the side board, helmholtz resonance sound absorption cavity is constituteed with acoustic baffle, sound insulation board to the side board, through adjustment helmholtz resonance sound absorption cavity shape and size to adjust helmholtz resonance chamber acoustic absorptivity and fall the frequency of making an uproar, obtain wideer sound absorption frequency band and stable, good sound absorption effect. The sound barrier includes that support post and fixed sets up and inhale the sound insulation screen board between the support post, inhales the sound insulation screen board and adopts aforesaid sound barrier to inhale the sound insulation compoboard, and the sound barrier is inhaled sound insulation compoboard both ends and is provided with the rubber seal strip with support post laminating position, including the bolt top tight L shape firm fixed connection in angle for connect closely, the mounted position is accurate, firm.
Description
Technical field
This utility model relates to sound barrier technical field.
Background technology
At present, along with the fast development of China Express Railway, the impact that high ferro noise brings to nearby residents, school is increasing.Therefore, while high-speed rail construction, high-speed rail sound barrier the most all can be set.By sound barrier, between sound source and recipient, insert a facility, make sonic propagation have a significant additional attenuation, thus weaken the influence of noise in the certain area at recipient place.
Sound barrier is mainly made up of steel structural upright column and sound absorption screen board two parts, and column is the main bearing member of sound barrier, and it is by bolt or is weldingly fixed on the pre-embedded steel slab on road anti-collision wall or track limit；Sound absorption screen board is main sound insulation sound absorbing member, and it is fixed in H type column groove generally by the mode of machinery.
Existing high-speed rail sound barrier either metallic sound barrier or nonmetal concrete sound barrier, its main sound absorption function is both from the sound-absorbing material filled in sound absorption screen board, and routine is glass cotton.Glass cotton easily makes moist or fibrosis in life-time service, and glass cotton makes moist to drop and lumps, and affects sound absorbing capabilities, and the dust and the microfibre that are formed after glass cotton is aging disperse, and can pollute atmospheric environment, and sound sucting band is mainly medium-high frequency, and low-frequency effect is poor.
Utility model content
For overcoming existing sound barrier sound absorption structure production efficiency low, or the problem of conventional sound-absorbing panel poor durability, applicant considers microgranule acoustic board non-tablet shape is applied to sound barrier, and combine formation helmholtz resonance sound absorption cavity with sound insulationg board and side board, to reaching the life-span of longer-term and stable sound absorbing capabilities, in addition this version is manufactured simple, easy for installation.The technical problem to be solved is to provide that a kind of sound sucting band is wider, sound barrier that acoustic absorptivity is more stable and sound absorption compoboard thereof.
This utility model solves its technical problem the technical scheme is that sound barrier sound absorption compoboard, including acoustic board and sound insulationg board, also includes side board, side board and acoustic board, sound insulationg board composition helmholtz resonance sound absorption cavity.By adjusting helmholtz resonance sound absorption cavity geometry and size, thus regulate helmholtz resonance chamber acoustic absorptivity and noise reduction frequency, it is thus achieved that broader sound sucting band and stable, excellent acoustically effective.
Described acoustic board is non-tablet shape and the pole panel with rule fluctuating, and described pole panel uses microgranule acoustic board.On-plane surface adds acoustic board surface area, enhances acoustically effective.
The directrix of the cylinder of described pole panel is the combination of broken line, smoothed curve or straight line and smoothed curve.
The back side of described pole panel is provided with to be arranged and bar shaped boss integrated with pole panel along its generatrix direction.For thin plate or relatively long structure, increase boss, improve slab strength and anti-impact force.
The cross section of described bar shaped boss is trapezoidal, and this trapezoidal bottom surface is combined with the inner surface of pole panel.
Described sound insulationg board is the plate with two bending bound edges that cross section is C-shaped, described acoustic board by described bending bound edge spacing and with sound insulationg board fasten.This structure fastens, and fixing compact, it is firm to connect.
Described side board is trough plate, and it fastens the acoustic board after being arranged at fastening and the left and right sides of sound insulationg board.
It is bonded as one by structure glue between described side board and acoustic board, sound insulationg board.
Sound barrier, including support post be fixedly installed sound absorption screen board between support columns, described sound absorption screen board use described in sound barrier sound absorption compoboard, sound barrier sound absorption compoboard two ends and support post bonding position are provided with rubber weather strip.It is completely embedded, thus avoids leakage sound, also can avoid the stress concentration that is rigidly connected.
Described sound absorption screen board uses bolt to hold out against L-shaped angle steel and fixes.Make installation site accurately, firmly.
The beneficial effects of the utility model are: it can improve the acoustic absorptivity of acoustic board while ensureing acoustic board structural strength, can be by the directrix shape of the cylinder of adjustment column panel and the spacing of size, pole panel and backboard thereof, thus regulate helmholtz resonance chamber acoustic absorptivity and noise reduction frequency, it is thus achieved that broader sound sucting band and stable, excellent acoustically effective.
Accompanying drawing explanation
Fig. 1 is noise barrier structure figure.
Fig. 2 is acoustic board, sound insulationg board and side board attachment structure figure.
Fig. 3 is sound insulationg board structure chart.
Fig. 4 is broken line type acoustic board structure chart.
Fig. 5 is semi-circular acoustic board structure chart.
Fig. 6 is side board structure chart.
Fig. 7 is that sound barrier bolt holds out against L-shaped angle steel Local map.
Figure is labeled as: 1-sound barrier, 11-acoustic board, 12-sound insulationg board, 13-side board, 111-bar shaped boss, 2-support post, 21-H shape steel plate, 22-steel plate base, 23-connecting hole, 3-L shape angle steel, 4-rubber weather strip, D-bending height, L-flange width, the thickness of d-helmholtz resonance sound absorption cavity.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in Fig. 1～Fig. 7, sound barrier sound absorption compoboard of the present utility model includes acoustic board and sound insulationg board and side board, side board and acoustic board, sound insulationg board composition helmholtz resonance sound absorption cavity, wherein, acoustic board is non-tablet shape and the pole panel with rule fluctuating, described pole panel uses microgranule acoustic board, this helmholtz resonance sound absorption cavity can have different cavity depths, by directrix shape and the size of the cylinder of adjustment column panel, regulation helmholtz resonance chamber acoustic absorptivity and noise reduction frequency, obtain broader sound sucting band, acoustically effective is more excellent.Microgranule acoustic board can use mould molding, therefore can easily design and Implement the plate face shape of the non-tablet of various complexity, and existing orifice plate or microwell plate are the most only processed as writing board shape.Non-tablet shape adds its external surface area, thus adds sound absorbent surface and amass, and, the sound source of different directions effectively can be absorbed sound.
The difference of the noise band according to sound absorption required in different use occasions, different pole panel shapes can be designed, the directrix of the cylinder of pole panel is the combination of smoothed curve, broken line or straight line and smoothed curve, thus forming ups and downs surface or the resonant cavity of thickness change so that described acoustic board has relatively high acoustic absorption coefficient under corresponding occasion.
For the acoustic board that wall thickness is relatively thin, the back side of pole panel is provided with to be arranged and bar shaped boss integrated with pole panel along its generatrix direction.The cross section of bar shaped boss is trapezoidal, and this trapezoidal bottom surface is combined with the inner surface of pole panel, improves intensity and shock resistance.
Sound insulationg board is the plate with two bending bound edges that cross section is C-shaped, and its bending is highly slightly larger than acoustic board thickness, and acoustic board is spacing and fasten with sound insulationg board by described bending bound edge.Preventing acoustic board from dropping out, side board is trough plate, and it fastens the acoustic board after being arranged at fastening and the left and right sides of sound insulationg board.This kind of structure is readily produced manufacture and installs simple.
It is bonded as one by structure glue between side board and acoustic board, sound insulationg board.Making Felt globality strengthen, non-deformability strengthens, and helmholtz resonance chamber closure strengthens, and then acoustically effective strengthens.
Sound barrier, including support post be fixedly installed sound absorption screen board between support columns, sound absorption screen board uses sound barrier sound absorption compoboard, sound barrier sound absorption compoboard two ends and support post bonding position to be provided with rubber weather strip.Sound absorption screen board uses bolt to hold out against L-shaped angle steel and fixes.Use rubber weather strip, be completely embedded, thus avoid leakage sound, also can avoid the stress concentration that is rigidly connected.Bolt holds out against the just fixing connection of L-shaped angle so that installation site is accurately, firmly.
Embodiment 1:
nullSuch as Fig. 1、Fig. 2、Fig. 3、Fig. 4、Shown in Fig. 6 and Fig. 7，Sound barrier sound absorption compoboard of the present utility model，Including acoustic board 11、Sound insulationg board 12 and side board 13，Acoustic board 11 microgranule acoustic board，And be non-tablet shape and the pole panel with rule fluctuating，The directrix of its cylinder is broken line，Sound insulationg board 12 is the plate with two bending bound edges that cross section is C-shaped，Height D is slightly larger than acoustic board 11 thickness in its bending，Its described acoustic board 11 is spacing and fasten with sound insulationg board 12 by described bending bound edge，Side board 13 is trough plate，It fastens the acoustic board 11 after being arranged at fastening and the left and right sides of sound insulationg board 12，Side board 13 and acoustic board 11、It is bonded as one by the structure glue of epoxy resin between sound insulationg board 12，Form the helmholtz resonance sound absorption cavity that seal is good，To increase acoustically effective.The thickness d of this helmholtz resonance sound absorption cavity is 60mm, and the thickness of pole panel is 10mm, and acoustic board 11 microgranule is sand grains.Sound insulationg board is c-type plate, selects sheet metal, and thickness is 2mm, and bending height D is 14mm, and c-type flange width L is 15mm, prevents acoustic board 11 from dropping out.Side board 13 is groove type plate, selects sheet metal, and thickness is 2mm.The sound barrier sound absorption compoboard both sides of one support so that support post 2 is fixing respectively, sound barrier sound absorption compoboard two ends and support post 2 bonding position are provided with flat rubber weather strip 4, support post 2 structure is H profile steel plate 21 Welding Structure, and by arranging on H profile steel plate base 22, connecting hole 23 bolt is fixing to be connected.Sound absorption screen board uses bolt to hold out against L-shaped angle steel 3 and fixes so that whole sound barrier sound absorption combined board structure is more stable, and non-deformability strengthens, and rigidity improves.
Embodiment 2:
Acoustic board 11 in embodiment 1 uses pole panel as shown in Figure 5 to replace, and the thickness d of its helmholtz resonance sound absorption cavity is 100mm, and the thickness of pole panel is 20mm, and acoustic board 11 microgranule is sand grains and haydite mixture.Sound insulationg board is c-type plate, selects PC plate, and thickness is 6mm, and bending height D is 32mm, and c-type flange width L is 15mm, prevents acoustic board 11 from dropping out.Side board 13 is groove type plate, selects PC plate, and thickness is 6mm, and remaining is with embodiment 1.
Compared with existing acoustic board, sound barrier sound absorption compoboard of the present utility model, utilize a combination thereof form, facilitate making and the installation of parts, having sound absorption and insulation plate sqouynd absorption lowering noise characteristic concurrently, meanwhile, the helmholtz resonance sound absorption cavity that side board 13 and acoustic board 11, sound insulationg board 12 form can be by adjusting directrix shape and the size of acoustic board cylinder, thus regulate helmholtz resonance chamber acoustic absorptivity and noise reduction frequency, it is thus achieved that preferably acoustically effective.
Claims (10)
1. sound barrier sound absorption compoboard, including acoustic board (11) and sound insulationg board (12), is characterized in that: also include side board (13), side board (13) and acoustic board (11), sound insulationg board (12) composition helmholtz resonance sound absorption cavity.
2. sound barrier sound absorption compoboard as claimed in claim 1, is characterized in that: described acoustic board (11) is non-tablet shape and the pole panel with rule fluctuating, and described pole panel uses microgranule acoustic board.
3. sound barrier sound absorption compoboard as claimed in claim 2, is characterized in that: the directrix of the cylinder of described pole panel is the combination of broken line, smoothed curve or straight line and smoothed curve.
4. sound barrier sound absorption compoboard as claimed in claim 2, is characterized in that: the back side of described pole panel is provided with to be arranged and bar shaped boss (111) integrated with pole panel along its generatrix direction.
5. sound barrier sound absorption compoboard as claimed in claim 4, is characterized in that: the cross section of described bar shaped boss (111) is trapezoidal, and this trapezoidal bottom surface is combined with the inner surface of pole panel.
6. sound barrier sound absorption compoboard as claimed in claim 1, is characterized in that: described sound insulationg board (12) is the plate with two bending bound edges that cross section is C-shaped, and its described acoustic board (11) is spacing and fasten with sound insulationg board (12) by described bending bound edge.
7. sound barrier sound absorption compoboard as claimed in claim 6, is characterized in that: described side board (13) is trough plate, and it fastens the acoustic board (11) after being arranged at fastening and the left and right sides of sound insulationg board (12).
8. sound barrier sound absorption compoboard as claimed in claim 1, is characterized in that: described side board (13) and acoustic board (11), sound insulationg board are bonded as one by structure glue between (12).
9. sound barrier, including support post (2) and the sound absorption screen board that is fixedly installed between support post (2), it is characterized in that: described sound absorption screen board uses the sound barrier sound absorption compoboard in claim 1～8 described in any one claim, sound barrier sound absorption compoboard two ends and support post (2) bonding position to be provided with rubber weather strip (4).
10. sound barrier as claimed in claim 9, is characterized in that: described sound absorption screen board uses bolt to hold out against L-shaped angle steel (3) and fixes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521112700.6U CN205443983U (en) | 2015-12-29 | 2015-12-29 | Sound barrier and inhale sound insulation compoboard thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521112700.6U CN205443983U (en) | 2015-12-29 | 2015-12-29 | Sound barrier and inhale sound insulation compoboard thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205443983U true CN205443983U (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521112700.6U Expired - Fee Related CN205443983U (en) | 2015-12-29 | 2015-12-29 | Sound barrier and inhale sound insulation compoboard thereof |
Country Status (1)
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| CN (1) | CN205443983U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601224A (en) * | 2017-02-14 | 2017-04-26 | 四川正升声学科技有限公司 | Hybrid-structure road noise barrier plate |
| CN107476211A (en) * | 2017-09-29 | 2017-12-15 | 正升环境科技股份有限公司 | A kind of exoskeletal sound barrier of barriers |
| CN109468968A (en) * | 2017-09-07 | 2019-03-15 | 北京九州轨隔振技术有限公司 | A kind of acoustic barrier for road or rail traffic etc. |
| CN110690046A (en) * | 2019-10-31 | 2020-01-14 | 国家电网有限公司 | Sound insulation device suitable for power capacitor |
| CN111705686A (en) * | 2020-06-01 | 2020-09-25 | 中国铁路经济规划研究院有限公司 | Folded plate buckling type railway metal sound barrier unit plate |
| CN112695657A (en) * | 2021-01-20 | 2021-04-23 | 尚风科技股份有限公司 | Assembled sound barrier stand |
| CN113981844A (en) * | 2020-07-12 | 2022-01-28 | 西藏中驰集团股份有限公司 | Sound barrier concave-convex overlapping system |
| CN114717985A (en) * | 2022-04-16 | 2022-07-08 | 中铁城市规划设计研究院有限公司 | Urban overhead sound insulation barrier and installation method thereof |
-
2015
- 2015-12-29 CN CN201521112700.6U patent/CN205443983U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601224A (en) * | 2017-02-14 | 2017-04-26 | 四川正升声学科技有限公司 | Hybrid-structure road noise barrier plate |
| CN106601224B (en) * | 2017-02-14 | 2023-07-18 | 正升环境科技股份有限公司 | Highway sound barrier board with series-parallel structure |
| CN109468968A (en) * | 2017-09-07 | 2019-03-15 | 北京九州轨隔振技术有限公司 | A kind of acoustic barrier for road or rail traffic etc. |
| CN107476211A (en) * | 2017-09-29 | 2017-12-15 | 正升环境科技股份有限公司 | A kind of exoskeletal sound barrier of barriers |
| CN107476211B (en) * | 2017-09-29 | 2023-06-16 | 正升环境科技股份有限公司 | Sound barrier with barrier body without framework |
| CN110690046A (en) * | 2019-10-31 | 2020-01-14 | 国家电网有限公司 | Sound insulation device suitable for power capacitor |
| CN111705686A (en) * | 2020-06-01 | 2020-09-25 | 中国铁路经济规划研究院有限公司 | Folded plate buckling type railway metal sound barrier unit plate |
| CN111705686B (en) * | 2020-06-01 | 2022-09-16 | 中国铁路经济规划研究院有限公司 | Folded plate buckling type railway metal sound barrier unit plate |
| CN113981844A (en) * | 2020-07-12 | 2022-01-28 | 西藏中驰集团股份有限公司 | Sound barrier concave-convex overlapping system |
| CN112695657A (en) * | 2021-01-20 | 2021-04-23 | 尚风科技股份有限公司 | Assembled sound barrier stand |
| CN114717985A (en) * | 2022-04-16 | 2022-07-08 | 中铁城市规划设计研究院有限公司 | Urban overhead sound insulation barrier and installation method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Wenjiang District 611130 of Sichuan city of Chengdu province Chengdu Strait science and Technology Industry Development Park Haike Road West No. 57 Patentee after: Positive ascension environment Polytron Technologies Inc Address before: West Strait science and Technology Park in Chengdu city Hartcourt road Wenjiang 611130 Sichuan province No. 57 Patentee before: Sichuan Zhengsheng Acoustic Technology Co., Ltd. |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20181229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |