CN203782599U - Sharp chopping type metallic sound barrier - Google Patents
Sharp chopping type metallic sound barrier Download PDFInfo
- Publication number
- CN203782599U CN203782599U CN201420121479.XU CN201420121479U CN203782599U CN 203782599 U CN203782599 U CN 203782599U CN 201420121479 U CN201420121479 U CN 201420121479U CN 203782599 U CN203782599 U CN 203782599U
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- CN
- China
- Prior art keywords
- plate
- panel
- backboard
- sound barrier
- type metallic
- 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 - Lifetime
Links
- 230000004888 barrier function Effects 0.000 title claims abstract description 27
- 239000011491 glass wool Substances 0.000 claims description 7
- 239000011358 absorbing material Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 230000002209 hydrophobic effect Effects 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Abstract
The utility model discloses a sharp chopping type metallic sound barrier which comprises a base part and a chopping part, wherein the base part comprises a face plate, a back plate, two side plates, a top plate, and a bottom plate, the face plate and the back plate adopt equal-size rectangular structures and are parallel, the top plate and the bottom plate are respectively arranged between the face plate and the upper end of the back plate and between the face plate and the lower end of the back plate, and are respectively vertically connected with the face plate and the back plate, the two side plates are arranged between the face plate and the left end of the back plate and between the face plate and the right end of the back plate, and are respectively vertically connected with the face plate and the bottom plate, the face plate, the back plate, the two side plates, the top plate and the bottom plate form an upright hollow body, a sound absorption material layer is filled in the hollow body, the chopping part comprises an upper end plate and an inclined end plate, the chopping part is fixedly connected with the face plate, the upper end plate and the inclined end plate of the chopping part and the face plate form a triangular prism shaped hollow body, and more than one micro-perforating hole is formed in the inclined end plate. The sharp chopping type metallic sound barrier is attractive in appearance and novel in style, can reduce aerodynamics noises and aerodynamic force, can prevent the rain water from falling inside the sound barrier, can improve the sound absorption effect on the rainy day, and can more effectively absorb the noises.
Description
Technical field
The utility model relates to a kind of metallic sound barrier, is a kind of spliting type metallic sound barrier specifically.
Background technology
At present, the noise that urban road traffic vehicles produces, the noise that building operations produces etc. noise pollution is brought very large impact to people's work, life, bring harm even to people's health, especially viaduct both sides, road both sides for this reason, and building site is around for intercepting noise, some sound insulation sound barriers need to be set, to reduce traffic or the interference of building noise to surrounding resident life, in road design construction in recent years, also force to arrange sound barrier.The many cement sound-absorbing barriers of selecting of acoustic current barrier, aluminium sheet encapsulation damping material is made, function singleness, and acoustically effective is limited, such as the disclosed a kind of sound barrier of Chinese patent 200820109162.9, it is by soundproof course, cavity layer and absorbent treatment composition, under rainwater weather, acoustically effective declines, and can not alleviate the aerodynamic noise and the aerodynamic force that are produced by the vehicles, again such as the disclosed sound barrier of Chinese patent 201010283782.6, although can alleviate the aerodynamic noise and the aerodynamic force that are produced by the vehicles, but at rainwater weather, acoustically effective obviously declines.
Utility model content
?utility model object: the technical problems to be solved in the utility model is to provide a kind of spliting type metallic sound barrier.
Technical scheme: in order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of spliting type metallic sound barrier, comprise base portion and split portion, described base portion comprises panel, backboard, two side plates, top board and base plates, described panel and backboard such as are at the big or small rectangle structure, and be arranged in parallel, described top board and base plate are located at respectively between panel and backboard upper/lower terminal, and respectively with panel, backboard is vertical is connected; Described two blocks of side plates are located between panel and two ends, backboard left and right, and respectively with panel, backboard is vertical is connected; Panel, backboard, two side plates, top board and base plates have formed upright ducted body, and ducted body inside is filled with sound-absorbing material layer; The described portion of splitting comprises upper head plate and splay end plate, splits portion and panel is connected, and upper head plate, splay end plate and the panel of splitting portion form the ducted body of triangle column, and splay end plate is provided with more than one micropunch.
Above-mentioned setting of splitting portion's splay end plate, can increase sound absorption area, more effectively reduces the propagation of noise; Split portion's not perforate of upper head plate splay end plate perforate, effectively reduce squeezing into of rainwater, reduce the impact of drenching rear sound absorption material acoustically effective.
Operating principle: the utility model spliting type metallic sound barrier is made up of base portion and the portion of splitting, to utilize gradually changing of special impedance, by the characteristic impedance of splitting end surface characteristic impedance and approach air, progressively be transitioned into the characteristic impedance of the sound absorption material of base portion inside, thereby reach the highest sound absorption effect.
Described base portion inside is provided with more than one zigzag cavity, described zigzag cavity comprises the first accent and the second accent, the first accent and backboard join, and the second accent and panel join, and can alleviate the impact causing due to aerodynamic noise and the aerodynamic force of vehicles generation.
Preferably, the backboard of described backboard and the first accent junction is provided with more than one micropunch.
Preferably, described sound-absorbing material layer is glass wool layer.
Described glass wool layer is arranged with alkali-free hydrophobic glass layer of cloth outward, can increase acoustically effective.
Described panel is provided with more than one micropunch, can further increase acoustically effective.
Beneficial effect: the utility model spliting type metallic sound barrier, good looking appearance, new style, can alleviate aerodynamic noise and aerodynamic force that communications and transportation produces; Can effectively hinder rainwater and squeeze into sound barrier inside, can increase the acoustically effective of rainy day, can more effective absorption noise.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model spliting type metallic sound barrier stereogram;
Fig. 3 is the right view of Fig. 1;
Fig. 4 is the left view of Fig. 1;
In figure, 1 is the portion of splitting, and 2 is base portion, and 3 is zigzag cavity, and 4 is glass wool layer, and 5 is upper head plate, and 6 is splay end plate, and 7 is the first accent, and 8 is the second accent.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
Embodiment 1: a kind of spliting type metallic sound barrier as Figure 1-Figure 4 comprises base portion 2 and splits portion 1, comprise base portion 2 and split portion 1, described base portion 2 comprises panel, backboard, two side plates, top board and base plates, described panel and backboard such as are at the big or small rectangle structure, and be arranged in parallel, described top board and base plate are located at respectively between panel and backboard upper/lower terminal, and respectively with panel, backboard is vertical is connected; Described two blocks of side plates are located between panel and two ends, backboard left and right, and respectively with panel, backboard is vertical is connected; Panel, backboard, two side plates, top board and base plates have formed upright ducted body, and ducted body inside is filled with sound-absorbing material layer; The described portion 1 of splitting comprises upper head plate 5 and splay end plate 6, splits portion 1 and is connected with panel, and upper head plate 5, splay end plate 6 and the panel of splitting portion 1 form the ducted body of triangle column, and splay end plate 6 is evenly provided with micropunch.Described base portion 2 inside are provided with more than one zigzag cavity 3, and described zigzag cavity 3 comprises that the first accent 7 and the second accent 8, the first accents 7 join with backboard, and the second accent 8 joins with panel.On the backboard of described backboard and the first accent 7 junctions, be evenly provided with micropunch.Described sound-absorbing material layer is glass wool layer 4.The outer alkali-free hydrophobic glass layer of cloth that is arranged with of described glass wool layer 4.On described panel, be evenly provided with micropunch.
The utility model spliting type metallic sound barrier is by base portion 2 and split portion 1 and form, to utilize gradually changing of special impedance, approached the characteristic impedance of air by the portion's of splitting 1 end face characteristic impedance, be progressively transitioned into the characteristic impedance of the sound absorption material of base portion 2 inside, thereby reach the highest sound absorption effect.Split the setting of portion's 1 splay end plate 6, can increase sound absorption area, more effectively reduce the propagation of noise; Split portion's 1 upper head plate 5 not perforate splay end plate 6 perforates, effectively reduce squeezing into of rainwater, reduce the impact of drenching rear sound absorption material acoustically effective.
(GBJ75-1984) (GBJ47-1983) detect with " Code for measurement of sound absorbing coefficient in reverberation room " through " Code for measurement of building sound insulation ", adopt after the utility model average sound absorption coefficient NRC >=0.85, sound insulation index Rw >=25.Be suitable for road noise reduction field, good looking appearance, new style, function is superior can extensive use.
The above is only preferred embodiment of the present utility model; be noted that for those skilled in the art; not departing under the prerequisite of the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a spliting type metallic sound barrier, it is characterized in that: comprise base portion (2) and split portion (1), described base portion (2) comprises panel, backboard, two side plates, top board and base plates, described panel and backboard such as are at the big or small rectangle structure, and be arranged in parallel, described top board and base plate are located at respectively between panel and backboard upper/lower terminal, and respectively with panel, backboard is vertical is connected; Described two blocks of side plates are located between panel and two ends, backboard left and right, and respectively with panel, backboard is vertical is connected; Panel, backboard, two side plates, top board and base plates have formed upright ducted body, and ducted body inside is filled with sound-absorbing material layer; The described portion (1) of splitting comprises upper head plate (5) and splay end plate (6), splits portion (1) and is connected with panel, and upper head plate (5), splay end plate (6) and the panel of splitting portion (1) form the ducted body of triangle column, and splay end plate (6) is provided with more than one micropunch.
2. spliting type metallic sound barrier according to claim 1, it is characterized in that: described base portion (2) inside is provided with more than one zigzag cavity (3), described zigzag cavity (3) comprises the first accent (7) and the second accent (8), the first accent (7) joins with backboard, and the second accent (8) joins with panel.
3. spliting type metallic sound barrier according to claim 2, is characterized in that: the backboard of described backboard and the first accent (7) junction is provided with more than one micropunch.
4. spliting type metallic sound barrier according to claim 1, is characterized in that: described sound-absorbing material layer is glass wool layer (4).
5. spliting type metallic sound barrier according to claim 4, is characterized in that: the outer alkali-free hydrophobic glass layer of cloth that is arranged with of described glass wool layer (4).
6. according to the spliting type metallic sound barrier described in claim 1-5 any one, it is characterized in that: described panel is provided with more than one micropunch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420121479.XU CN203782599U (en) | 2014-03-18 | 2014-03-18 | Sharp chopping type metallic sound barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420121479.XU CN203782599U (en) | 2014-03-18 | 2014-03-18 | Sharp chopping type metallic sound barrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203782599U true CN203782599U (en) | 2014-08-20 |
Family
ID=51318802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420121479.XU Expired - Lifetime CN203782599U (en) | 2014-03-18 | 2014-03-18 | Sharp chopping type metallic sound barrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203782599U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106869349A (en) * | 2017-03-03 | 2017-06-20 | 上海声望声学科技股份有限公司 | Sound insulation module with wedge absorber |
| CN107217749A (en) * | 2017-07-24 | 2017-09-29 | 苏州岸肯电子科技有限公司 | A kind of wedge absorber of adjustable cavity height |
| CN107574767A (en) * | 2017-09-07 | 2018-01-12 | 广州市泰宇科技发展有限公司 | A kind of assembled sound barrier gobo |
-
2014
- 2014-03-18 CN CN201420121479.XU patent/CN203782599U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106869349A (en) * | 2017-03-03 | 2017-06-20 | 上海声望声学科技股份有限公司 | Sound insulation module with wedge absorber |
| CN107217749A (en) * | 2017-07-24 | 2017-09-29 | 苏州岸肯电子科技有限公司 | A kind of wedge absorber of adjustable cavity height |
| CN107574767A (en) * | 2017-09-07 | 2018-01-12 | 广州市泰宇科技发展有限公司 | A kind of assembled sound barrier gobo |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |
|
| CX01 | Expiry of patent term |