CN208473006U - A kind of phonon crystal sound-insulating structure and plate structure - Google Patents
A kind of phonon crystal sound-insulating structure and plate structure Download PDFInfo
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- CN208473006U CN208473006U CN201820797546.8U CN201820797546U CN208473006U CN 208473006 U CN208473006 U CN 208473006U CN 201820797546 U CN201820797546 U CN 201820797546U CN 208473006 U CN208473006 U CN 208473006U
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- phonon crystal
- insulating structure
- acoustic isolation
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- 239000013078 crystal Substances 0.000 title claims abstract description 31
- 238000002955 isolation Methods 0.000 claims abstract description 60
- 238000005253 cladding Methods 0.000 claims abstract description 10
- 239000011229 interlayer Substances 0.000 claims description 20
- 230000001788 irregular Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 5
- 238000004079 fireproofing Methods 0.000 claims description 4
- 239000012943 hotmelt Substances 0.000 claims description 4
- 238000009628 steelmaking Methods 0.000 claims description 4
- 239000003190 viscoelastic substance Substances 0.000 claims description 4
- 238000007731 hot pressing Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 17
- 239000010410 layer Substances 0.000 description 17
- 238000010521 absorption reaction Methods 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 6
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- 238000010586 diagram Methods 0.000 description 4
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- 230000005540 biological transmission Effects 0.000 description 3
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- 230000001070 adhesive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002984 plastic foam Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 208000007443 Neurasthenia Diseases 0.000 description 1
- 208000013738 Sleep Initiation and Maintenance disease Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- 206010003549 asthenia Diseases 0.000 description 1
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- 229920001971 elastomer Polymers 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of phonon crystal sound-insulating structure and plate structures.The phonon crystal sound-insulating structure includes: puigging, the puigging includes multiple acoustic isolation mediums, the acoustic isolation medium includes the clad of core and the cladding core, the elasticity modulus of the core is greater than the elasticity modulus of clad, and the density of the core is greater than the density of the clad.Phonon crystal sound-insulating structure described in the utility model effectively reduces the propagation of noise, improves the effect for absorbing noise.
Description
Technical field
The utility model relates to architectural design field more particularly to a kind of phonon crystal sound-insulating structures and plate structure.
Background technique
The filler of existing construction wall is generally by structures such as soundproof plate, deadening felt, sound-proof material and polyester fibre acoustic panels
At.The filler of existing construction wall can only weaken the identifiable noise of certain human ear, unrecognized for human ear to make an uproar
Sound is difficult to weaken.So that people is chronically in the environment of noise, the various spirit such as neurasthenia, insomnia, headache of people are easily caused
Puzzlement, in this way, the soundproof effect of existing wall body structure is poor, can not effectively completely cut off noise.
Utility model content
The embodiments of the present invention main purpose is to propose a kind of phonon crystal sound-insulating structure and plate structure, it is intended to excellent
The technical issues of changing wall body structure, improving the soundproof effect of wall.
To achieve the above object, the utility model proposes a kind of phonon crystal sound-insulating structure.
A kind of phonon crystal sound-insulating structure described in the utility model, comprising:
Puigging, the puigging include multiple acoustic isolation mediums, and the acoustic isolation medium includes core and the cladding core
The clad of the heart, the elasticity modulus of the core is greater than the elasticity modulus of clad, and the density of the core is greater than the packet
The density of coating.
Preferably, the averag density of the acoustic isolation medium is 1.23~3.22*103kg/m3。
Preferably, the core is irregular shape.
Preferably, the core is that slag is melted in steel-making.
Preferably, the surface that the clad hot melt wraps up the core forms the acoustic isolation medium of irregular shape.
Preferably, multiple acoustic isolation medium hot pressing layered.
Preferably, the clad is viscoelastic material.
Preferably, the clad is visco-elasticity polyurethane particle.
The utility model also proposes a kind of plate structure, comprising:
Puigging, the puigging include multiple acoustic isolation mediums, and the acoustic isolation medium includes core and the cladding core
The clad of the heart, the elasticity modulus of the core is greater than the elasticity modulus of clad, and the density of the core is greater than the packet
The density of coating；
The side of the puigging is arranged in first interlayer；And
The other side of the puigging is arranged in second interlayer；
Wherein, first interlayer and second interlayer are fire proofing material.
Phonon crystal sound-insulating structure described in the utility model first embodiment is constituted by using multiple acoustic isolation mediums
The puigging using the structure of the clad composition acoustic isolation medium of core and the cladding core, and makes the core
Elasticity modulus be greater than clad elasticity modulus, and the density of the core be greater than the clad density, realize institute
The tight structure for stating core and the clad effectively reduces the propagation of noise, improves the effect for absorbing noise.
Detailed description of the invention
It, below will be to embodiment or existing in order to illustrate more clearly of the utility model or technical solution in the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only this reality
Without creative efforts, may be used also for those of ordinary skill in the art with novel some embodiments
Other attached drawings are obtained with the structure shown according to these attached drawings.
Fig. 1 is the schematic diagram of the utility model phonon crystal sound-insulating structure first embodiment；
Fig. 2 is the sectional view for forming the acoustic isolation medium of phonon crystal sound-insulating structure in Fig. 1；
Fig. 3 is the sectional view for forming another shape of the acoustic isolation medium of phonon crystal sound-insulating structure in Fig. 1；
Fig. 4 is the sectional view for forming the another shape of the acoustic isolation medium of phonon crystal sound-insulating structure in Fig. 1；
Fig. 5 is the structural schematic diagram for including the plate structure of phonon crystal sound-insulating structure in Fig. 1；
Fig. 6 is the sectional view of plate structure in Fig. 5；
Fig. 7 is the another structural schematic diagram of plate structure in Fig. 5；
Fig. 8 is the sectional view of plate structure in Fig. 7.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 1 | Acoustic isolation medium | 11 | Clad |
| 12 | Core | 2 | First interlayer |
| 3 | Second interlayer | 4 | Puigging |
| 5 | Isolation layer |
The realization, functional characteristics and advantage of the utility model aim will be done further referring to attached drawing, say in conjunction with the embodiments
It is bright.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include multiple be somebody's turn to do
Feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art
Based on can be realized, this technical solution will be understood that when conflicting or cannot achieve when occurs in the combination of technical solution
In conjunction with being not present, also not within the protection scope of the requires of the utility model.
The utility model embodiment proposes a kind of phonon crystal sound-insulating structure.
It is the schematic diagram of the section structure of the utility model phonon crystal sound-insulating structure first embodiment with reference to Fig. 1.And it combines
Shown in Fig. 2, the utility model embodiment provides a kind of phonon crystal sound-insulating structure, for optimizing the structure of wall, realizes enhancing
The soundproof effect of wall.The phonon crystal sound-insulating structure of the utility model embodiment includes: puigging 4, and the puigging includes
Multiple acoustic isolation mediums 1, the acoustic isolation medium 1 include the clad 11 of core 12 and the cladding core 12, the core 12
Elasticity modulus be greater than clad 11 elasticity modulus, and the density of the core 12 be greater than the clad 11 density.
In the present embodiment, the puigging 4 is constituted by using multiple acoustic isolation mediums 1, using core 12 and cladding
The clad 11 of the core 12 forms the structure of acoustic isolation medium 1, realizes to absorb and/or reflect by multiple acoustic isolation mediums 1 and make an uproar
Sound improves the effect for absorbing noise and/or the noise that rebounds.And the elasticity modulus of the core 12 is made to be greater than clad 11
Elasticity modulus, and the density of the core 12 is greater than the density of the clad 11, realizes the core 12 and the cladding
The tight structure of layer 11 is absorbed or is reflected to noise by puigging 4, improved absorption and make an uproar when there is noise to be passed to
The effect of sound and/or the noise that rebounds.
Further, the averag density of the acoustic isolation medium is 1.23~3.22*103kg/m3.Wherein, the core 1 is
Irregular shape.Combine the acoustic isolation medium to form irregular shape in the surface that the hot melt of clad 11 is wrapped in the core 12
1.The structure that the core 12 is wrapped up by using the hot melt clad 11, so that 12 shape of the clad 11 and the core
At combining closely, by using the structure of the clad 11 of irregular shape, realizes and increase 11 outer surface of clad
Area, effectively increase the area for absorbing noise and/or the noise that rebounds, improve and absorb noise and/or the noise of rebounding
Effect.
Further, multiple 1 hot pressing layered of the acoustic isolation medium.By adding to multiple acoustic isolation mediums 1
The mode of heat and pressurization, so that the connection between multiple acoustic isolation mediums 1 is closer, so that multiple 1 shapes of the acoustic isolation medium
At stable shaped puigging 4, the structural stability of puigging 4 is improved.
Optionally, multiple acoustic isolation mediums 1 and adhesive agent are mixed so that the solidification of multiple acoustic isolation mediums 1 formed it is described every
Sound-absorbing layer 4.Sticking together for multiple acoustic isolation mediums 1 is carried out by using adhesive agent, improves the compact-sized of the puigging 4
Property.Wherein, the adhesive agent can be inorganic adhesive, such as cement.The adhesive agent may be organic matter adhesive.Such as
Natural gum etc..
Optionally, as shown in connection with fig. 3, the surface formation irregular shape that the clad 11 wraps up the core 12 is heated
The acoustic isolation medium 1, make the acoustic isolation medium 1 form spherical shape by secondary moulding.By not advised described
Then the acoustic isolation medium 1 of shape is shaped as spherical shape, realizes non-uniform reflection noise by the surface of clad 11 of spherical surface
Effect.
Optionally, as shown in connection with fig. 4, the surface formation irregular shape that the clad 11 wraps up the core 12 is heated
Acoustic isolation medium 1, by secondary moulding make acoustic isolation medium 1 formed cube shape.By by the irregular shape
Acoustic isolation medium 1 is shaped as the shape of cube, with the surface of the acoustic isolation medium 1 of multiple cubes towards predetermined direction, realizes
Orientation absorbs and/or the effect of orienting reflex noise, meanwhile, section space-efficient is conducive to using the structure of cube and is occupied, is convenient for
The acoustic isolation medium 1 is stacked or stored.
Preferably, use the density of the core 12 for the 2 times or more of the density greater than the clad 11 and described
The elasticity modulus of core 12 is 100 times or more of structure of the elasticity modulus greater than the clad 11.By using core 12
Density and elasticity modulus be all larger than the structure of the clad 11 so that making when noise uploads sowing time in the clad 11
It must be transferred to core 12, when the elastic wave frequency rate of the clad 11 and the core 12 is close, lead to the clad 11
The coupling between the core 12 has achieved the effect that cancelling out each other for sound wave, realizes and improves absorption noise and/or reflection
The effect of noise.
Optionally, the clad 11 is viscoelastic material, such as rubber product.It is viscoplasticity material by using clad 11
The feature of material reduces noise in the packet by interacting between 11 interior molecules of the clad of viscoelastic material
The propagation of coating 11 realizes the absorption to noise.
Preferably, the core 12 is that slag is melted in steel-making.The clad 11 is visco-elasticity polyurethane particle.Due to according to office
The density variation of the theory of domain resonance type phonon crystal, core 12 and clad 11 is bigger, 11 springform of core 12 and clad
Amount difference is bigger, and low frequency noise reduction effect is better.It is 3.22*10 in conjunction with the density that slag is melted in steel-making3kg/m3, elasticity modulus 2.06*
105Mpa；The density of visco-elasticity polyurethane particle is 1.19~1.23*103kg/m3, elasticity modulus is 10~20Mpa.Therefore, it refines
Steel melts slag and visco-elasticity polyurethane particle meets the theory of locally resonant type phonon crystal.And visco-elasticity polyurethane particle is one
The low frequency acoustic damping materials of kind high-damping, improve the assimilation effect to noise.
Further, in conjunction with shown in Fig. 5 and Fig. 6, the utility model also proposes a kind of plate structure, comprising: puigging 4,
The puigging includes multiple acoustic isolation mediums 1, and the acoustic isolation medium 1 includes the clad of core 12 and the cladding core 12
11, the elasticity modulus of the core 12 is greater than the elasticity modulus of clad 11, and the density of the core 12 is greater than the cladding
The density of layer 11；
The side of the puigging is arranged in first interlayer；And
The other side of the puigging is arranged in second interlayer.Preferably, first interlayer 2 and second interlayer 3
For fire proofing material.
The preferred plate structure is the wall body structure of soundproof room.It can also be the floor of soundproof room.
In the present embodiment, in order to realize the positioning or installation of the dielectric layer 4, using the first partition 2 and described
The combination of second partition 3 limits the structure of the dielectric layer 4, and the first partition 2 and the second partition 3 can be fire proofing wood scutum
Material, such as asbestos board, light-weight brick, plasterboard or rock wool board.It may be metal partion (metp), such as steel plate or foamed aluminium, optimize
Wall body structure improves the soundproof effect of wall.And simultaneously, the fire protecting performance of plate structure is improved.
Specifically, when the plate structure is applied in wall body structure, the arrow in figure refers to noise with Acoustic Wave Propagation
Direction.When noise is transmitted to the other end of wall by one end of wall with sound wave, pass through the second interlayer 3 or the first interlayer 2
The reflection and absorption of the first weight are carried out to the sound wave of noise, and by noise transmission to puigging 4, carry out the sound wave second to noise
The reflection and absorption of weight.When the sound wave of noise is transmitted to the puigging 4, multiple acoustic isolation mediums 1 of the puigging 4 are formed
The absorption and propagation of the sound wave of noise are carried out respectively, so that the sound wave of noise is with single acoustic isolation medium 1 to adjacent acoustic isolation medium 1
Transmitting, so that reflecting the sound wave of multistage scattering between multiple acoustic isolation mediums 1, the sound wave of scattering is scattered with different direction of transfer to be passed
It passs, so that sound wave is spread to multiple directions, reduces the transmitting of sound wave.When there are the sound of opposite direction between multiple sound waves of scattering
When wave, cancelling out each other for sound wave is played.Finally, last is carried out by second interlayer 3 of the other end or the first interlayer 2
Again to the reflection and absorption of the sound wave of noise.
Optionally, referring to figs. 7 and 8, the plate structure further includes isolation layer 5.The isolation layer 5 is arranged in institute
It states between the first interlayer 2 and second interlayer 3.Wherein, the isolation layer 5 can be cavity, be isolation by using with cavity
Layer 5 realizes the propagation for reducing noise.The isolation layer 5 can also serve as the filler of isolation layer 5 for plastic foam, or with water
Serve as the filler of isolation layer 5.By using the structure of the isolation layer 5, so that in noise by phonon crystal sound-insulating structure one
When end is transmitted to the other end, the effect for reinforcing blocking noise transmission is played.
Optionally, the isolation layer 5 is arranged in the puigging 4.Wherein, the isolation layer 5 can fill for plastic foam
Sound insulation filler is served as when sound insulation filler, or with water.By using the structure of the isolation layer 5, so that in the sound of noise
When wave scatters in the puigging 4, the effect for reinforcing blocking noise transmission and absorption is played.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Under the concept of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or
Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (9)
1. a kind of phonon crystal sound-insulating structure, which is characterized in that including puigging, the puigging includes multiple acoustic isolation mediums,
The acoustic isolation medium includes the clad of core and the cladding core, and the elasticity modulus of the core is greater than the bullet of clad
Property modulus, and the density of the core be greater than the clad density.
2. phonon crystal sound-insulating structure according to claim 1, which is characterized in that the averag density of the acoustic isolation medium is
1.23~3.22*103kg/m3。
3. phonon crystal sound-insulating structure according to claim 1 or 2, which is characterized in that the core is irregular shape.
4. phonon crystal sound-insulating structure according to claim 3, which is characterized in that the core is that slag is melted in steel-making.
5. phonon crystal sound-insulating structure according to claim 3, which is characterized in that the clad hot melt wraps up the core
The surface of the heart forms the acoustic isolation medium of irregular shape.
6. phonon crystal sound-insulating structure according to claim 5, which is characterized in that multiple acoustic isolation medium hot pressing are formed
Stratiform.
7. phonon crystal sound-insulating structure according to claim 1, which is characterized in that the clad is viscoelastic material.
8. phonon crystal sound-insulating structure according to claim 7, which is characterized in that the clad is visco-elasticity polyurethane
Particle.
9. a kind of plate structure characterized by comprising according to claim 1 to phonon crystal sound insulation described in 8 any one
Structure；
The side of the puigging is arranged in first interlayer；And
The other side of the puigging is arranged in second interlayer；
Wherein, first interlayer and second interlayer are fire proofing material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820797546.8U CN208473006U (en) | 2018-05-25 | 2018-05-25 | A kind of phonon crystal sound-insulating structure and plate structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820797546.8U CN208473006U (en) | 2018-05-25 | 2018-05-25 | A kind of phonon crystal sound-insulating structure and plate structure |
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| Publication Number | Publication Date |
|---|---|
| CN208473006U true CN208473006U (en) | 2019-02-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014709A (en) * | 2019-03-12 | 2019-07-16 | 北京化工大学 | Polyurethane elastomer phonon crystal noise reduction film and its manufacturing method |
| CN110984436A (en) * | 2019-12-20 | 2020-04-10 | 深圳市奇信集团股份有限公司 | Partition board and preparation and installation method of building partition wall thereof |
| CN115928618A (en) * | 2022-11-23 | 2023-04-07 | 兰州交通大学 | Rail transit sound barrier based on four compound cross primitive cells |
-
2018
- 2018-05-25 CN CN201820797546.8U patent/CN208473006U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014709A (en) * | 2019-03-12 | 2019-07-16 | 北京化工大学 | Polyurethane elastomer phonon crystal noise reduction film and its manufacturing method |
| CN110984436A (en) * | 2019-12-20 | 2020-04-10 | 深圳市奇信集团股份有限公司 | Partition board and preparation and installation method of building partition wall thereof |
| CN110984436B (en) * | 2019-12-20 | 2022-05-24 | 江西奇信集团股份有限公司 | Partition board and preparation and installation method of building partition wall thereof |
| CN115928618A (en) * | 2022-11-23 | 2023-04-07 | 兰州交通大学 | Rail transit sound barrier based on four compound cross primitive cells |
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Address after: 518000 Haina Baichuan Headquarters Building, 6 Baoxing Road, Haiwang Community, Xin'an Street, Baoan District, Shenzhen City, Guangdong Province, 12-16 floors Patentee after: Shenzhen Qixin Group Co.,Ltd. Address before: 518017 Guangdong city of Shenzhen province Futian District Jiangnan gardens one or two layer Patentee before: SHENZHEN QIXIN CONSTRUCTION GROUP Co.,Ltd. |
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Address after: 338000 1501, 1601 and 1701, building 18 (complex building), Baile village, No. 718, Yuxiu East Avenue, north of the city, Yushui District, Xinyu City, Jiangxi Province Patentee after: Jiangxi Qixin Group Co.,Ltd. Address before: 518000 12 / F-16 / F, block B, Haina Baichuan headquarters building, 6 Baoxing Road, Haiwang community, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Qixin Group Co.,Ltd. |
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