CN104631353A - Full-screen sound absorption and noise reduction device - Google Patents
Full-screen sound absorption and noise reduction device Download PDFInfo
- Publication number
- CN104631353A CN104631353A CN201510052596.4A CN201510052596A CN104631353A CN 104631353 A CN104631353 A CN 104631353A CN 201510052596 A CN201510052596 A CN 201510052596A CN 104631353 A CN104631353 A CN 104631353A
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- China
- Prior art keywords
- sound absorption
- reduction device
- backboard
- cover plate
- full frame
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- 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.)
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Classifications
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- 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
-
- 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
- E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
- E01F8/0064—Perforated plate or mesh, e.g. as wall facing
- E01F8/007—Perforated plate or mesh, e.g. as wall facing with damping material
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a full-screen sound absorption and noise reduction device which comprises a face plate, a sound absorption material layer, a back plate, a cover plate, a bottom plate and two side plates. A cavity structure is formed by the face plate, the back plate, the cover plate, the bottom plate and the two side plates. The sound absorption material layer is arranged in the cavity structure. The full-screen sound absorption and noise reduction device is characterized in that the sound absorption material layer is made of foaming rubber, foaming ceramic and foaming aluminum. Non-fiber sound absorption materials are adopted as inner filler, have no harm to human bodies and are environmentally friendly; the inner sound absorption materials are installed between the cover plate and the bottom plate in an inserted mode, and therefore installation is more convenient, and cost is saved; due to the design of the multi-layer sound absorption structure, the sound absorption performance of the device is improved, and the sound absorption frequency is increased.
Description
Technical field
The present invention relates to a kind of full frame sound absorption reduction device.
Background technology
Along with China's expanding economy, railway, road construction are also at development, and the traffic noise problem thereupon produced more and more comes into one's own, and building denoising device is reduce one of noise pollution technological means the most effective and actual at present.Current denoising device inside generally uses the fiber-like materials such as glass wool as sound absorber, brings certain harm to health, and generally uses single sound absorption material as filler, and sound sucting band is narrower, and acoustically effective is not good.
Summary of the invention
Goal of the invention: for overcoming prior art deficiency, purport of the present invention is in having harm for solving existing sound barrier to health, the problems such as sound sucting band is narrow, and sound absorbing capabilities is not good, and then a kind of multilayer non-fiber sound absorption material that adopts is proposed as the denoising device of inner sound absorption structure.
Technical scheme: for solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of full frame sound absorption reduction device, comprise panel, sound-absorbing material layer, backboard, cover plate, base plate and two blocks of side plates, described panel, backboard, cover plate, base plate and two blocks of side plates form cavity structure, sound-absorbing material layer is located at cavity structure inside, it is characterized in that: described sound-absorbing material layer is bipeltate, foamed ceramics and foamed aluminium.
Above-mentioned panel, backboard are all connected with cover plate, base plate respectively by rivet; Above-mentioned bipeltate, foamed ceramics, foamed aluminium are non-fiber sound absorption material.
Operating principle: the full frame sound absorption reduction device of the present invention, can reduce the traffic noise of different frequency, reduces noise pollution to the harm of human body quality of life, for the development of harmonious society creates conditions.Inner employing non-fiber sound absorption material, avoids the glass wool generally used at present, to the harm that human body skin and respiratory tract organ produce.
Described cover plate soffit is provided with 3 draw-in grooves, and plate upper surface is provided with 3 draw-in grooves matched with cover plate; Described bipeltate, foamed ceramics, foamed aluminium, from panel to backboard, are located between cover plate and base plate successively, and upper and lower side is corresponding is respectively located in the draw-in groove of cover plate and base plate, conveniently can install and fix bipeltate, foamed ceramics, foamed aluminium.
Above-mentioned bipeltate, foamed ceramics, foamed aluminium can be exchanged mutually in the position between panel to backboard.
Preferably, the cavity distance that described panel and bipeltate are formed is 15-25mm, the cavity distance that bipeltate and foamed ceramics are formed is 5-30mm, and the cavity distance that foamed ceramics and foamed aluminium are formed is 5-30mm, and the cavity distance that foamed aluminium and backboard are formed is 25-35mm.
The upper and lower two ends of described panel, backboard are equipped with and panel, backboard end socket connected vertically, can strengthen panel, backboard and cover plate, base plate bonding strength.
Described end socket both sides are equipped with snap-fastener, and every block side plate four angles are equipped with the catching groove mated with snap-fastener, can fasten and fixed panel, backboard.
Above-mentioned end socket both sides are near two pieces of side plate positions.
Cover plate and base plate are concaveconvex structure, and unit board can be made to be arranged on closely on steel post, are not easy mobile.
Described two pieces of side plate bottom are provided with groove, and groove both sides are bulge-structure, and the sunk structure position of bulge-structure and base plate and area equation, side plate better can be embedded between panel and backboard.
Preferably, the thickness of described bipeltate is 20-60mm, and the thickness of foamed ceramics is 20-50mm, and the thickness of foamed aluminium is 5-30mm.
The even punching press sound-absorbing hole of described panel, can improve acoustically effective.
Described backboard pressure rib, to strengthen the intensity of backboard.
Above-mentioned pressure rib for be pressed with concaveconvex structure on backboard.
The NM technology of the present invention is prior art.
Beneficial effect: the present invention adopts non-fiber sound absorption material as inside stuffing, to human body without harm, environmental protection; Inner sound absorption material plug-in type is arranged between cover plate and base plate, makes easier for installation, cost-saving; The design of multi-layer absorption structure, improves sound absorbing capabilities of the present invention, increases sound sucting band.
Accompanying drawing explanation
Figure l is the structural representation of the full frame sound absorption reduction device of the present invention;
Fig. 2 is the structural representation of cover plate of the present invention;
Fig. 3 is the structural representation of base plate of the present invention;
Fig. 4 is the structural representation of side plate of the present invention;
In figure, 1. panel, 2. backboard, 3. cover plate, 4. base plate, 5 bipeltates, 6. foamed ceramics, 7. foamed aluminium, 8. side plate, 9. end socket, 10. snap-fastener, 11. draw-in grooves, 12. catching grooves.
Detailed description of the invention
In order to understand the present invention better, illustrate content of the present invention further below in conjunction with embodiment, but content of the present invention is not only confined to the following examples.
Embodiment 1
As Figure 1-4, a kind of full frame sound absorption reduction device, comprise panel 1, sound-absorbing material layer, backboard 2, cover plate 3, base plate 4 and two blocks of side plates 8, described panel 1, backboard 2, cover plate 1, base plate 4 and two blocks of side plates 8 form cavity structure, sound-absorbing material layer is located at cavity structure inside, and described sound-absorbing material layer is bipeltate 5, foamed ceramics 6 and foamed aluminium 7; Panel 1 is punching press sound-absorbing hole evenly, and rib pressed by backboard 2; Cover plate 1 soffit is provided with 3 draw-in grooves 11, and base plate 4 upper surface is provided with 3 draw-in grooves 11 matched with cover plate 1; From panel 1 to backboard 2, successively bipeltate 5, foamed ceramics 6, foamed aluminium 7 are located between cover plate 1 and base plate 4, and upper and lower side is corresponding is respectively located in the draw-in groove 11 of cover plate 1 and base plate 4; Panel 1, backboard about 2 two ends are equipped with and panel 1, backboard 2 end socket 9 connected vertically; End socket 9 is equipped with snap-fastener 10, every block side plate four angles are equipped with the catching groove 12 mated with snap-fastener 10.; Cover plate 1 and base plate 4 are concaveconvex structure, are provided with groove bottom two blocks of side plates 8, and groove both sides are bulge-structure, and bulge-structure and area equation corresponding with the sunk structure position of base plate 4; The thickness of bipeltate 5 is 20mm, and the thickness of foamed ceramics 6 is 20mm, and the thickness of foamed aluminium 7 is 30mm; The cavity distance that panel 1 and bipeltate 5 are formed is 15mm, and the cavity distance that bipeltate 5 and foamed ceramics 6 are formed is 5mm, and the cavity distance that foamed ceramics 6 and foamed aluminium 7 are formed is 5mm, and the cavity distance that foamed aluminium 7 and backboard 2 are formed is 25mm.Adopt this device, the sound absorption coefficient recorded is 0.79, and counter-bending load improves 30%, resisting wind press capacity than raising 15%, nearly one times of life.
Embodiment 2
Substantially the same manner as Example 1, difference is: panel 1 is followed successively by foamed ceramics 6, foamed aluminium 7, bipeltate 5 to the sound absorption material that backboard 2 is installed; The thickness of bipeltate 5 is 40mm, and the thickness of foamed ceramics 6 is 30mm, and the thickness of foamed aluminium 7 is 5mm; The cavity distance that panel 1 and foamed ceramics 6 are formed is 20mm, and the cavity distance that foamed ceramics 6 and foamed aluminium 7 are formed is 10mm, the cavity distance 10mm that foamed aluminium 7 and bipeltate 5 are formed, and the cavity distance that bipeltate 5 and backboard 2 are formed is 30mm.Adopt this device, the sound absorption coefficient recorded is 0.81, and counter-bending load improves 30%, resisting wind press capacity than raising 20%, nearly one times of life.
Embodiment 3
Substantially the same manner as Example 1, difference is: panel 1 is followed successively by foamed aluminium 7, bipeltate 5, foamed ceramics 6 material to the sound absorption material that backboard 2 is installed; The thickness of bipeltate 5 is 60mm, and the thickness of foamed ceramics 6 is 50mm, and the thickness of foamed aluminium 7 is 15mm; The cavity distance that panel 1 and foamed aluminium 7 are formed is 25mm, and the cavity distance that foamed aluminium 7 and bipeltate 5 are formed is 30mm, the cavity distance 30mm that foamed ceramics 6 and foamed aluminium 7 are formed, and the cavity distance that foamed aluminium 7 and backboard 2 are formed is 35mm.Adopt this device, the sound absorption coefficient recorded is 0.86, and make noise reduction improve 20%, counter-bending load improves 30%, resisting wind press capacity than raising 20%, nearly one times of life.
Claims (10)
1. a full frame sound absorption reduction device, comprise panel (1), sound-absorbing material layer, backboard (2), cover plate (3), base plate (4) and two pieces of side plates (8), described panel (1), backboard (2), cover plate (3), base plate (4) and two pieces of side plates (8) form cavity structure, sound-absorbing material layer is located at cavity structure inside, it is characterized in that: described sound-absorbing material layer is bipeltate (5), foamed ceramics (6) and foamed aluminium (7).
2. full frame sound absorption reduction device as claimed in claim 1, is characterized in that: described cover plate (3) soffit is provided with 3 draw-in grooves (11), and base plate (4) upper surface is provided with 3 draw-in grooves (11) matched with cover plate (3); Described bipeltate (5), foamed ceramics (6), foamed aluminium (7), from panel (1) to backboard (2), are located between cover plate (3) and base plate (4) successively, and upper and lower side respectively correspondence be located in the draw-in groove (11) of cover plate (3) and base plate (4).
3. full frame sound absorption reduction device as claimed in claim 2, it is characterized in that: the cavity distance that described panel (1) and bipeltate (5) are formed is 15-25mm, the cavity distance that bipeltate (5) and foamed ceramics (6) are formed is 5-30mm, the cavity distance that foamed ceramics (6) and foamed aluminium (7) are formed is 5-30mm, and the cavity distance that foamed aluminium (7) and backboard (2) are formed is 25-35mm.
4. full frame sound absorption reduction device as claimed in claim 1, is characterized in that: described panel (1), backboard (2) are equipped with and panel (1), backboard (2) end socket connected vertically (9) at two ends up and down.
5. full frame sound absorption reduction device as claimed in claim 1, is characterized in that: described end socket (9) both sides are equipped with snap-fastener (10), and every block side plate (8) four angles are equipped with the catching groove (12) mated with snap-fastener (10).
6. full frame sound absorption reduction device as claimed in claim 1, is characterized in that: described cover plate (3) and base plate (4) are concaveconvex structure.
7. full frame sound absorption reduction device as claimed in claim 6, is characterized in that: described two pieces of side plates (8) bottom is provided with groove, and groove both sides are bulge-structure, and the sunk structure position of bulge-structure and base plate (4) and area equation.
8. the full frame sound absorption reduction device as described in claim 1-7 any one, is characterized in that: the thickness of described bipeltate (5) is 20-60mm, and the thickness of foamed ceramics (6) is 20-50mm, and the thickness of foamed aluminium (7) is 5-30mm.
9. the full frame sound absorption reduction device as described in claim 1-7 any one, is characterized in that: described panel (1) is punching press sound-absorbing hole evenly.
10. the full frame sound absorption reduction device as described in claim 1-7 any one, is characterized in that: described backboard (2) pressure rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510052596.4A CN104631353B (en) | 2015-02-02 | 2015-02-02 | A kind of full-frequency sound absorption denoising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510052596.4A CN104631353B (en) | 2015-02-02 | 2015-02-02 | A kind of full-frequency sound absorption denoising device |
Publications (2)
| Publication Number | Publication Date |
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| CN104631353A true CN104631353A (en) | 2015-05-20 |
| CN104631353B CN104631353B (en) | 2016-08-24 |
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| CN201510052596.4A Active CN104631353B (en) | 2015-02-02 | 2015-02-02 | A kind of full-frequency sound absorption denoising device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780678A (en) * | 2016-05-05 | 2016-07-20 | 成都华气能源工程有限公司 | Plug-in type temporary noise barrier |
| CN106120587A (en) * | 2016-07-01 | 2016-11-16 | 清远恒成智道信息科技有限公司 | Combination type is automatically adjusted sound barrier |
| CN106192785A (en) * | 2016-08-30 | 2016-12-07 | 国家电网公司 | A kind of full frequency band noise reduction barrier for transformer station and screening arrangement |
| 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 |
| WO2020192157A1 (en) * | 2019-03-28 | 2020-10-01 | 苏州拓朴声学科技有限公司 | Standardized sound insulation module and module detection device |
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| JPH06308968A (en) * | 1991-06-13 | 1994-11-04 | Matsushita Electric Works Ltd | Sound absorbing material |
| KR20050110769A (en) * | 2004-05-19 | 2005-11-24 | 부광산업 주식회사 | Panel for soundproof wall |
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| CN203782598U (en) * | 2014-03-18 | 2014-08-20 | 江苏新光环保工程有限公司 | Perforated metal sound barrier |
| CN104060553A (en) * | 2014-06-30 | 2014-09-24 | 江苏新光环保工程有限公司 | Nonmetallic perforated acoustic board adopting FCs (Fiber Reinforced Calcium Silicate Boards) and production method thereof |
| CN203855906U (en) * | 2013-10-31 | 2014-10-01 | 无锡泛亚环保科技有限公司 | Wood wool cement board sound barrier |
| CN204551295U (en) * | 2015-02-02 | 2015-08-12 | 江苏新光环保工程有限公司 | A kind of full frame sound absorption reduction device |
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2015
- 2015-02-02 CN CN201510052596.4A patent/CN104631353B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH06308968A (en) * | 1991-06-13 | 1994-11-04 | Matsushita Electric Works Ltd | Sound absorbing material |
| KR20050110769A (en) * | 2004-05-19 | 2005-11-24 | 부광산업 주식회사 | Panel for soundproof wall |
| CN1807761A (en) * | 2006-02-16 | 2006-07-26 | 上海交通大学 | Microporous foam double-side absorbing sound type ultra-thin barrier |
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| CN203855906U (en) * | 2013-10-31 | 2014-10-01 | 无锡泛亚环保科技有限公司 | Wood wool cement board sound barrier |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780678A (en) * | 2016-05-05 | 2016-07-20 | 成都华气能源工程有限公司 | Plug-in type temporary noise barrier |
| CN106120587A (en) * | 2016-07-01 | 2016-11-16 | 清远恒成智道信息科技有限公司 | Combination type is automatically adjusted sound barrier |
| CN106120587B (en) * | 2016-07-01 | 2018-02-13 | 清远恒成智道信息科技有限公司 | Combined type automatically adjusts sound barrier |
| CN106192785A (en) * | 2016-08-30 | 2016-12-07 | 国家电网公司 | A kind of full frequency band noise reduction barrier for transformer station and screening arrangement |
| WO2020192157A1 (en) * | 2019-03-28 | 2020-10-01 | 苏州拓朴声学科技有限公司 | Standardized sound insulation module and module detection device |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN104631353B (en) | 2016-08-24 |
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