CN2705513Y - Sound defusion board - Google Patents
Sound defusion board Download PDFInfo
- Publication number
- CN2705513Y CN2705513Y CN 200420043268 CN200420043268U CN2705513Y CN 2705513 Y CN2705513 Y CN 2705513Y CN 200420043268 CN200420043268 CN 200420043268 CN 200420043268 U CN200420043268 U CN 200420043268U CN 2705513 Y CN2705513 Y CN 2705513Y
- Authority
- CN
- China
- Prior art keywords
- diffuser
- diffuser projection
- projection
- sound dispersion
- height
- 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
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Abstract
The utility model sound dispersion plate belongs to field of acoustics, particularly a kind of sound dispersion plate that is used for the sound adjusting, it is made up of parent plate and diffuser projection, one side at parent plate is provided with more than one diffuser projection, the diffuser projection is an arc shape, and the diffuser projection is alternate at the one side formation height of parent plate, and the utility model is simple in structure, can effectively make sound dispersion, particularly be suitable for occasions such as family and concert hall and use.
Description
Technical field the utility model sound dispersion plate belongs to field of acoustics, particularly one is used in the sound dispersion plate that sound is regulated.
The diffusion block that the sound dispersion plate that uses in the present interior decoration of background technology is made up of a kind of rugged plane, the one side of diffusion block is the plane, another side at diffusion block is by the alternate platform of height, by different spatial position change, play the purpose of regulating sound, make sound dispersion more even, but traditional diffusion block (plank making) is made up of the alternate platform of height, reflection to sound is inhomogeneous, absorption for sound does not simultaneously have effect, can not reach sound effect preferably.
The purpose of this utility model is to provide a kind of sound dispersion that makes more even, can play simultaneously the sound dispersion plate of the effect that absorbs sound, the utility model sound dispersion plate has solved technology and efficient fully on material, the sound dispersion plate is uniformity, standard, high efficiency and the cheapness person of satisfying the demands in batches of pattern tool.
The content the purpose of this utility model of utility model reaches by following measure, it is made up of parent plate and diffuser projection, one side at parent plate is provided with more than one diffuser projection, the diffuser projection is an arc shape, and the diffuser projection forms height alternate crest and trough in the one side of parent plate.By the alternate arc crest spatial position change different of height with trough, make sound dispersion more even, reach the purpose of regulating sound.Parent plate can be fixedly installed on the ceiling during use, the one side of diffuser projection reaches the purpose of regulating sound, makes sound dispersion more even, also can be that the one side with the diffuser projection is fixedly installed on the ceiling.
The utility model is provided with more than one diffuser projection in the one side of parent plate, and the diffuser projection is an arc shape, forms the crest and the trough of wavy adjusting sound effect in the one side of parent plate.
The height of the utility model diffuser projection can be an equal height, also can adopt the diffuser of differing heights to convex to form the crest and the trough of the effect of wavy adjusting sound.
The plant acoutic fibre board element that has sound absorption at one side apposition one deck of parent plate and diffuser projection, in parent plate and the even diffuse sound may diffusion of diffuser projection, the plant acoutic fibre board element of apposition can absorb the sound that can not reflect from the teeth outwards, reaches sound dispersion and absorption preferably.
Diffuser projection of the present utility model is provided with more than one columniform diffuser projection in the one side of parent plate, and the diffuser projection is an arc shape, and the diffuser projection forms alternate cylindrical of height in the one side of parent plate.
The utility model is provided with the diffuser projection of more than one taper in the one side of parent plate, and the diffuser projection is an arc shape, and the diffuser projection forms the alternate tapered pole of height in the one side of parent plate.
The utility model is provided with the diffuser projection of more than one hump shape in the one side of parent plate, and the diffuser projection is the hump shape, and the diffuser projection forms the alternate hump shape post of height in the one side of parent plate.
One side at parent plate is provided with more than one diffuser projection, the height of each diffuser projection is to calculate by following formula, be called " quadratic residue diffusingsurface ", this is the fluctuating that designs diffusion dignity according to the quadratic residue sequence in the number theory, can make the diffuser face that the scattered reflection of near ideal is arranged in wider frequency.Diffuser cell height h
nPressing quadratic residue sequence arranges: h
n=(λ
0/ 2N) S
n
S
n=n
2ModN is S
nBe n
2Remainder divided by N.S
nWith N is to repeat in the cycle.
S during N=7
nWith 0,1,4,2,2,4,1; Periodically repeat.
N is 0,1,2,3,4 for the zero-sum natural number
N is 3,5,7,11,13,17
λ
0Be wavelength (λ
0=C/f
0C is the velocity of sound, f
0Be frequency) h
nBe the diffuser cell height
Example: according to formula S
n=n
2ModN works as N=3, and N=5 during N=7, asks S respectively
n(work as n
2During＜N, S
n=n
2Work as n
2During＞N, S
n=n
2Remainder divided by N)
Separate:
n
2/N S
n n
2/N S
n?n
2/N S
n
0
2/3?＝0……0 0
2/5?＝0……0 0
2/7?＝0……0
1
2/3?＝0……1 1
2/5?＝0……1 1
2/7?＝0……1
2
2/3?＝1……1 2
2/5?＝0……4 2
2/7?＝0……4
3
2/3?＝3……0 3
2/5?＝1……4 3
2/7?＝1……2
4
2/5?＝3……1 4
2/7?＝2……2
5
2/5?＝5……0 5
2/7?＝3……4
6
2/7?＝5……1
7
2/7?＝0……0
According to formula h
n=(λ
0/ 2N) S
nWork as N=7, λ
0=70 ask diffuser cell height h
n
h
n (λ
0/2N)·S
n h
n (λ
0/2N)·S
n
h
0： (70/14)·0＝0 h
4： (70/14)·2＝10
h
1： (70/14)·1＝5 h
5： (70/14)·4＝20
h
2： (70/14)·4＝20 h
6： (70/14)·1＝5
h
3： (70/14)·2＝10 h
7： (70/14)·0＝0
In the diffuser projection of the one side of the utility model parent plate, can fill damping material, as composite fibre etc.
Parent plate of the present utility model can be circular, also can be square, or other shape.
Parent plate of the present utility model and diffuser projection are by meticulous formed in mould shell, and this shell can be made by multiple energy moulding material such as paper pulp, glass fiber reinforced plastic etc., but material therefor all is the moulding of pattern tool form processing to make the diffusion that can play.One side in parent plate and diffuser projection adopts the mode apposition one deck plant acoutic fibre board element that sprays, and also can be the mode apposition one deck plant acoutic fibre board element that adopts spraying on the two sides of parent plate and diffuser projection, the effect of the absorption sound that plays.
The utility model is simple in structure, can effectively make sound dispersion, particularly is suitable for occasions such as family and concert hall and uses.
Description of drawings
Accompanying drawing 1 is a structural principle schematic diagram of the present utility model.
Accompanying drawing 2 is example structure schematic diagrames of the present utility model.
Accompanying drawing 3 is example structure schematic diagrames of the present utility model.
Accompanying drawing 4 is example structure schematic diagrames of the present utility model.
Accompanying drawing 5 is example structure schematic diagrames of the present utility model.
Accompanying drawing 6 is example structure schematic diagrames of the present utility model.
Accompanying drawing 7 is example structure schematic diagrames of the present utility model.
Accompanying drawing 8 is example structure schematic diagrames of the present utility model.
Accompanying drawing 9 is example structure schematic diagrames of the present utility model.
Accompanying drawing 10 is example structure schematic diagrames of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, it is made up of the utility model parent plate 1 and diffuser projection 2, one side at parent plate is provided with more than one diffuser projection, the diffuser projection is an arc shape, one side at parent plate forms wavy crest and trough, and parent plate and diffuser projection adopt the paper pulp shell.The height of each diffuser projection is to calculate diffuser protrusion element height h by following formula
nPressing quadratic residue sequence arranges: h
n=(λ
0/ 2N) S
nS
n=n
2ModN is S
nBe n
2Remainder divided by N.S
nWith N is to repeat in the cycle.S during N=7
nWith 0,1,4,2,2,4,1; Periodically repeat.N is 0,1,2,3,4 for the zero-sum natural number ...N is 3,5,7,11,13,17 ...
λ
0Be wavelength h
nBe diffuser protrusion element height.
As shown in Figure 2, the utility model is provided with more than one diffuser projection 2 in the one side of parent plate 1, the diffuser projection is an arc shape, and the diffuser projection forms height alternate wavy crest and trough, the cell height h of diffuser projection in the one side of parent plate
nPressing quadratic residue sequence arranges: h
n=(λ
0/ 2N) S
nS
n=n
2ModN is S
nBe n
2Remainder divided by N.S
nWith N is to repeat in the cycle.
As shown in Figure 3, the utility model is provided with more than one diffuser projection 2 in the one side of parent plate 1, the diffuser projection is an arc shape, and the diffuser projection forms height alternate wavy crest and trough in the one side of parent plate, and the cell height of diffuser projection is identical.
As shown in Figure 4, the utility model is provided with more than one diffuser projection 2 in the one side of parent plate 1, the diffuser projection is an arc shape, and the diffuser projection forms height alternate wavy crest and trough, the cell height h of diffuser projection in the one side of parent plate
nPressing quadratic residue sequence arranges: h
n=(λ
0/ 2N) S
nS
n=n
2ModN is S
nBe n
2Remainder divided by N.S
nWith N is to repeat in the cycle.
As shown in Figure 5, the utility model is provided with more than one diffuser projection 2 in the one side of parent plate 1, the diffuser projection is an arc shape, and the diffuser projection forms height alternate wavy crest and trough in the one side of parent plate, and the cell height of diffuser projection is identical.
As shown in Figure 6, the utility model is provided with more than one diffuser projection 2 in the one side of parent plate 1, the diffuser projection is an arc shape, and the diffuser projection forms height alternate wavy crest and trough in the one side of parent plate, and the cell height of diffuser projection is identical.
As shown in Figure 7, the utility model is provided with more than one diffuser projection 2 in the one side of parent plate 1, and the diffuser projection is an arc shape, can fill composite fibre damping material 3 in the diffuser projection.The diffuser projection forms height alternate wavy crest and trough in the one side of parent plate, and the cell height of diffuser projection is identical.
As shown in Figure 8, the utility model is provided with more than one diffuser projection 2 in the one side of parent plate 1, and the diffuser projection is an arc shape, can fill composite fibre damping material 3 in the diffuser projection.The diffuser projection forms height alternate wavy crest and trough in the one side of parent plate, and the cell height of diffuser projection is inequality.
As shown in Figure 9, the utility model is provided with more than one diffuser projection 2 in the one side of parent plate 1, and the diffuser projection is an arc shape, can fill composite fibre damping material 3 in the diffusion projection.The diffuser projection forms height alternate wavy crest and trough in the one side of parent plate, and the cell height of diffuser projection is inequality.Covering the plant acoutic fibre board element 4 that one deck has sound absorption in the one side of diffuser projection, parent plate and diffuser projection can adopt the paper pulp shell.
As shown in Figure 10, the utility model is provided with more than one diffuser projection 2 in the one side of parent plate 1, the diffuser projection is an arc shape, the diffuser projection forms height alternate wavy crest and trough in the one side of parent plate, fills composite fibre damping material 3 in the crest on two sides and trough.Parent plate can be fixedly installed on the ceiling during use, the one side of diffuser projection reaches the purpose of regulating sound, makes sound dispersion more even, also can be that the one side with the diffuser projection is fixedly installed on the ceiling.
The parent plate shape of the utility model sound dispersion plate is the demand at person scene according to demand, has more changeableization to satisfy many-sided needs at die shape.The utility model diffusion block is diffuser profile, process acoustics expert and the expert engineer's years'experiences gained by acoustics expert Specialty Design for many years, and outside the parent plate material that adopts, the plant cellulose on parent plate has played unique sound absorption.
The utility model sound dispersion plate is can the multiple profile of development and Design, the utility model diffusion block can be smallpox, body of wall and the various ornament materials of finishing at the scene, and large tracts of land sound-absorbing face is cast in the cooperation of smallpox, body of wall and various ornament materials to the utility model diffusion block with it, diffusingsurface reaches better absorption and diffusion.
The technology of the utility model diffusion block is easy for installation, flexible, environmental protection, attractive in appearance, proper, material benefit are one of field of acoustics first-selections.
Claims (10)
1, a kind of sound dispersion plate is characterized in that being made up of parent plate and diffuser projection, is provided with more than one diffuser projection in the one side of parent plate, and the diffuser projection forms just alternate wavy crest and trough in the one side of parent plate.
2, sound dispersion plate according to claim 1 is characterized in that the diffuser projection is an arc shape.
3, sound dispersion plate according to claim 1, the height that it is characterized in that each diffuser projection are to calculate diffuser protrusion element height h by following formula
nPressing quadratic residue sequence arranges: h
n=(λ
0/ 2N) S
nS
n=n
2ModN is S
nBe n
2Remainder divided by N; S
nWith N is to repeat in the cycle; S during N=7
nWith 0,1,4,2,2,4,1; Periodically repeat, n is 0,1,2,3,4 for the zero-sum natural number N is 3,5,7,11,13,17 ...
4, sound dispersion plate according to claim 1, the height that it is characterized in that each diffuser projection is identical.
5, sound dispersion plate according to claim 1 is characterized in that filling the composite fibre damping material in the diffuser projection.
6, sound dispersion plate according to claim 1 is characterized in that the diffuser projection forms height alternate wavy crest and trough at the parent plate face, fills the composite fibre damping material in the crest on parent plate face two sides and trough.
7, sound dispersion plate according to claim 1 is characterized in that covering one deck plant acoutic fibre board element in the one side of diffuser projection.
8, sound dispersion plate according to claim 2 is characterized in that the diffuser projection is an arc shape, forms wavy crest and trough in the one side of parent plate.
9, sound dispersion plate according to claim 2 is characterized in that being provided with the diffuser projection of more than one taper, and the diffuser projection is an arc shape, and the diffuser projection forms the alternate tapered pole of height in the one side of parent plate.
10, sound dispersion plate according to claim 2 is characterized in that being provided with the diffuser projection of more than one hump shape, and the diffuser projection is the hump shape, and the diffuser projection forms the alternate hump shape post of height in the one side of parent plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420043268 CN2705513Y (en) | 2004-03-01 | 2004-03-01 | Sound defusion board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420043268 CN2705513Y (en) | 2004-03-01 | 2004-03-01 | Sound defusion board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2705513Y true CN2705513Y (en) | 2005-06-22 |
Family
ID=34850864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420043268 Expired - Fee Related CN2705513Y (en) | 2004-03-01 | 2004-03-01 | Sound defusion board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2705513Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1929696B (en) * | 2006-09-29 | 2010-09-15 | 南京大学 | Method and device for loudspeaker array setting by using quadratic residue sequence phase delay |
| CN101470221B (en) * | 2007-12-26 | 2011-01-19 | 颖台科技股份有限公司 | Diffusion plate and backlight module using the same |
| CN103469925A (en) * | 2013-09-10 | 2013-12-25 | 苏州岸肯电子科技有限公司 | Lighting wedge of anechoic chamber |
-
2004
- 2004-03-01 CN CN 200420043268 patent/CN2705513Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1929696B (en) * | 2006-09-29 | 2010-09-15 | 南京大学 | Method and device for loudspeaker array setting by using quadratic residue sequence phase delay |
| CN101470221B (en) * | 2007-12-26 | 2011-01-19 | 颖台科技股份有限公司 | Diffusion plate and backlight module using the same |
| CN103469925A (en) * | 2013-09-10 | 2013-12-25 | 苏州岸肯电子科技有限公司 | Lighting wedge of anechoic chamber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |