CN204551295U - A kind of full frame sound absorption reduction device - Google Patents
A kind of full frame sound absorption reduction device Download PDFInfo
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- CN204551295U CN204551295U CN201520071920.2U CN201520071920U CN204551295U CN 204551295 U CN204551295 U CN 204551295U CN 201520071920 U CN201520071920 U CN 201520071920U CN 204551295 U CN204551295 U CN 204551295U
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- sound absorption
- backboard
- reduction device
- full frame
- cover plate
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Abstract
The utility model discloses 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.The utility model adopts non-fiber sound absorption material as inside stuffing, to human body without harm, and 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 utility model, increases sound sucting band.
Description
Technical field
The utility model 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.
Utility model content
Utility model object: for overcoming prior art deficiency, the utility model purport 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 utility model 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 utility model, 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 utility model is prior art.
Beneficial effect: the utility model 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 utility model, increases sound sucting band.
Accompanying drawing explanation
Fig. 1 is the structural representation of the full frame sound absorption reduction device of the utility model;
Fig. 2 is the structural representation of the utility model cover plate;
Fig. 3 is the structural representation of the utility model base plate;
Fig. 4 is the structural representation of the utility model side plate;
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 utility model better, illustrate content of the present utility model further below in conjunction with embodiment, but content of the present utility model 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, it is characterized in that: described cover plate (3) soffit is provided with 3 draw-in grooves (11), 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) are from panel (1) to backboard (2), be located at successively between cover plate (3) and base plate (4), 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 4, it is characterized in that: described end socket (9) both sides are equipped with snap-fastener (10), 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, it is characterized in that: the thickness of described bipeltate (5) is 20-60mm, 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 |
|---|---|---|---|
| CN201520071920.2U CN204551295U (en) | 2015-02-02 | 2015-02-02 | A kind of full frame sound absorption reduction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520071920.2U CN204551295U (en) | 2015-02-02 | 2015-02-02 | A kind of full frame sound absorption reduction device |
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| CN204551295U true CN204551295U (en) | 2015-08-12 |
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| CN201520071920.2U Active CN204551295U (en) | 2015-02-02 | 2015-02-02 | A kind of full frame sound absorption reduction device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631353A (en) * | 2015-02-02 | 2015-05-20 | 江苏新光环保工程有限公司 | Full-screen sound absorption and noise reduction 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 |
-
2015
- 2015-02-02 CN CN201520071920.2U patent/CN204551295U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631353A (en) * | 2015-02-02 | 2015-05-20 | 江苏新光环保工程有限公司 | Full-screen sound absorption and noise reduction device |
| CN104631353B (en) * | 2015-02-02 | 2016-08-24 | 江苏新光环保工程有限公司 | A kind of full-frequency sound absorption denoising 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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