CN208501532U - A kind of compound sound barrier of high-strength light phonon crystal - Google Patents
A kind of compound sound barrier of high-strength light phonon crystal Download PDFInfo
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- CN208501532U CN208501532U CN201821070850.9U CN201821070850U CN208501532U CN 208501532 U CN208501532 U CN 208501532U CN 201821070850 U CN201821070850 U CN 201821070850U CN 208501532 U CN208501532 U CN 208501532U
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- phonon crystal
- matrix
- sound barrier
- strength light
- abatvoix
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Abstract
The utility model discloses a kind of compound sound barriers of high-strength light phonon crystal, the sound barrier is made of the distribution of multiple phonon crystal cell arrays, phonon crystal unit includes matrix, matrix is rectangular parallelepiped structure, groove is provided on matrix, it is provided with separating part in groove, makes matrix that there is a U-shaped channel；The sphere that all equably arrangement resilient material wraps up in matrix and separating part, the U-shaped channel inner wall is provided with porosity attractive material, the utility model passes through the combination of locally resonant type phonon crystal and resistive noise reduction, increases the adaptability to different frequency noise.
Description
Technical field
The utility model relates to sound pollutant abatement technology field more particularly to a kind of high-strength light phonon crystal are compound
Sound barrier.
Background technique
Especially highway and railway also bring subjective reflection while offering convenience highway to the trip of people
Noise pollution, for this purpose, soundproof wall is usually arranged in current highway along residential block, to reduce noise to the shadow of subjective reflection
It rings.Current soundproof wall mainly includes pedestal, the more root posts being installed on the pedestal and to be installed on adjacent two vertical
Soundproof wall between column, the noise that noise source (generally including automobile, train etc.) generates are transferred directly to the noise insulation equipment, every
Sound facility adsorbs the sound wave in noise, there is certain weakening to noise, however, most acoustic isolation facility can only eliminate it is low
Frequency or medium-high frequency noise, still have noise to rush across acoustic isolation facility and are transferred to residential block, cause noise reduction undesirable.
Utility model content
To solve the above-mentioned problems, the utility model proposes a kind of compound sound barriers of high-strength light phonon crystal.
Specifically, a kind of compound sound barrier of high-strength light phonon crystal, the sound barrier is by multiple phonon crystal lists
Element array distribution is constituted, and phonon crystal unit includes matrix, and matrix is rectangular parallelepiped structure, and groove is provided on matrix, is set in groove
It is equipped with separating part, makes matrix that there is a U-shaped channel；The ball that all equably arrangement resilient material wraps up in matrix and separating part
Body is provided with attractive material in the U-shaped channel.
The U-shaped channel corner is respectively arranged with abatvoix A and abatvoix B, and abatvoix A has abatvoix B symmetrical,
And abatvoix A is obliquely installed.
The matrix and separating part is made of epoxy resin.
The elastic material is silicon rubber.
The sphere is made of rigid plastics.
The rigid plastics is PU plastics.
The porosity sound-absorbing material is glass fiber or felt.
The utility model has the beneficial effects that: sound barrier is arranged by several phonon crystal units, make sound barrier
With the good result for eliminating low frequency noise, and because phonon crystal unit has U-shaped channel, sound-absorbing is provided in U-shaped channel
Material, effectively eliminates medium, high frequency noise, which can adapt to the noise of different frequency, play more preferable erasure effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of phonon crystal unit；
Fig. 2 is the side view of phonon crystal unit；
Fig. 3 is the arrangement schematic diagram of sound barrier；
1- matrix, 2- groove, 3- separating part, 4-U shape channel, 5- sphere, 6- abatvoix A, 7- abatvoix B, 8- in figure
One sound insulation panel, 9- the second sound insulation panel.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now compareing Detailed description of the invention
Specific embodiment of the present utility model.
As shown in Figure 1, 2, a kind of compound sound barrier of high-strength light phonon crystal, including phonon crystal unit, the sound
Sub- crystal unit includes matrix 1, and matrix 1 is rectangular parallelepiped structure, is provided with groove 2 on matrix 1, separating part 3 is provided in groove 2,
Make matrix 1 that there is a U-shaped channel 4；The sphere 5 by simple cubic lattice arrangement, sphere 5 are all equipped in matrix 1 and separating part 3
Resilient material is coated, the matrix 1 and separating part 3 are made of epoxy resin.The elastic material is silicon rubber.It is described
Sphere 5 be made of rigid plastics, low-frequency noise is eliminated by phonon crystal.Preferably, using PU plastics, PU plastic material weight
Amount is light, keeps phonon crystal unit lighter.Attractive material is provided in the U-shaped channel 4, the porosity sound-absorbing material is
Glass fiber or felt eliminate medium, high frequency noise by resistive noise reduction.
As shown in Figure 1,4 corner of U-shaped channel is respectively arranged with abatvoix A6 and abatvoix B7, abatvoix A6 has suction
Soundboard B7 is symmetrical, and abatvoix A6 is obliquely installed, and abatvoix A6 reflects the noise above U-shaped channel, it is made to change direction
It propagates downwards；Abatvoix B7 reflects the noise below U-shaped channel, so that it is changed direction and upwardly propagates, abatvoix A6 reflection is made an uproar
Coupling occurs for sound and the noise of abatvoix B7 reflection, prevents noise from continuing to propagate forward.
The sound barrier is made of the distribution of multiple phonon crystal cell arrays, specifically, as shown in figure 3, by several
A phonon crystal unit arrangement in a plane, constitutes sound insulation panel；Sound barrier is dislocatedly distributed up and down by two sound insulation panels,
Make the upper channel of U-shaped channel 4 in the separating part 3 and the second sound insulation panel 9 in 8 plate of the first sound insulation face in the same plane；Into one
Step ground is a unit transverse arrangement with the first sound insulation panel 8 and the second sound insulation panel 9, with the first sound insulation panel 8 and second every
The the first noise reduction unit and the distribution of the second noise reduction unit front-back staggered that sound panel 9 is constituted；Making the noise of different location can pass through
Resistive noise reduction in phonon crystal noise reduction and U-shaped channel, reaches better erasure effect.
Claims (7)
1. a kind of compound sound barrier of high-strength light phonon crystal, which is characterized in that the sound barrier is by multiple phonon crystals
Cell array distribution is constituted, and phonon crystal unit includes matrix (1), and matrix (1) is rectangular parallelepiped structure, is provided on matrix (1) recessed
Slot (2), groove (2) is interior to be provided with separating part (3), and matrix (1) is made to have a U-shaped channel (4)；Matrix (1) and separating part (3)
The inside sphere (5) that all equably arrangement resilient material wraps up, the U-shaped channel (4) is interior to be provided with sound-absorbing material.
2. a kind of compound sound barrier of high-strength light phonon crystal according to claim 1, which is characterized in that the U-shaped
Channel (4) corner is respectively arranged with abatvoix A(6) and abatvoix B(7), abatvoix A(6) have abatvoix B(7) symmetrical,
And abatvoix A(6) be obliquely installed.
3. a kind of compound sound barrier of high-strength light phonon crystal according to claim 1, which is characterized in that the base
Body (1) and separating part (3) are made of epoxy resin.
4. a kind of compound sound barrier of high-strength light phonon crystal according to claim 1, which is characterized in that the bullet
Property material be silicon rubber.
5. a kind of compound sound barrier of high-strength light phonon crystal according to claim 1, which is characterized in that the ball
Body (5) is made of rigid plastics.
6. a kind of compound sound barrier of high-strength light phonon crystal according to claim 5, which is characterized in that described is hard
Matter plastics are PU plastics.
7. a kind of compound sound barrier of high-strength light phonon crystal according to claim 1, which is characterized in that the suction
Sound material is glass fiber or felt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821070850.9U CN208501532U (en) | 2018-07-06 | 2018-07-06 | A kind of compound sound barrier of high-strength light phonon crystal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821070850.9U CN208501532U (en) | 2018-07-06 | 2018-07-06 | A kind of compound sound barrier of high-strength light phonon crystal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208501532U true CN208501532U (en) | 2019-02-15 |
Family
ID=65283914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821070850.9U Expired - Fee Related CN208501532U (en) | 2018-07-06 | 2018-07-06 | A kind of compound sound barrier of high-strength light phonon crystal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208501532U (en) |
-
2018
- 2018-07-06 CN CN201821070850.9U patent/CN208501532U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20210706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |