CN208164417U - A kind of novel variable diameters circular honeycomb board sound absorption structure - Google Patents
A kind of novel variable diameters circular honeycomb board sound absorption structure Download PDFInfo
- Publication number
- CN208164417U CN208164417U CN201820640834.2U CN201820640834U CN208164417U CN 208164417 U CN208164417 U CN 208164417U CN 201820640834 U CN201820640834 U CN 201820640834U CN 208164417 U CN208164417 U CN 208164417U
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- China
- Prior art keywords
- honeycomb core
- honeycomb
- variable diameters
- sound absorption
- core
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Abstract
The utility model is to disclose a kind of novel variable diameters circular honeycomb board sound absorption structure, cylindrical honeycomb core including top panel, lower panel and intermediate laminboard layer, the top panel, lower panel are separately positioned on the top and bottom of honeycomb core, the honeycomb core includes equal diameter honeycomb core and variable diameters honeycomb core, the equal diameter honeycomb core is closely arranged by solid matter, and the variable diameters honeycomb core is evenly distributed in equal diameter circle honeycomb core according to symmetry principle.The utility model cellular board sound absorption structure is not under the premise of adding other packing materials, by the internal structure for optimizing honeycomb sandwich panel, reach the sound absorption and sound insulation effect for improving honeycomb sandwich plate, is a kind of sound absorption Sandwich Plates with variable diameters circle honeycomb core.
Description
Technical field
The utility model relates to a kind of sound absorption plate constructions, and specially the interlayer with variable diameters circle honeycomb core is hardened
Structure.
Background technique
Honeycomb sandwich panel structure being generally using very extensive, common honeycomb sandwich panel structure in industrial circle at present
Regular hexagon.Honeycomb sandwich panel structure generallys use high-strength alloy aluminium sheet as top panel and lower panel, and intermediate laminboard layer is used
Aluminium alloy is fabricated, and has the characteristics that light-weight, intensity is high, rigidity is good, sound insulation, heat-insulated, the service life is long, comprehensive performance is outstanding.
Due to being divided into multiple sub- cavitys of closing in honeycomb core, hinder the heat for entering honeycomb and sound wave greatly, together
When cavity wall face also sound wave can effectively be reflected, thus honeycomb sandwich panel structure have good heat-insulated, sound insulation effect.
Utility model content
The purpose of this utility model is to provide a kind of novel variable diameters circular honeycomb board sound absorption structures, using round bee
Nest core Sandwich Plates, by optimizing the internal structure of honeycomb sandwich panel, reach under the premise of not adding other packing materials
Improve the sound absorption and sound insulation effect of honeycomb sandwich panel structure.The utility model has that structure is simple simultaneously, easy to process, is easy to adjust
The advantages that whole.
To achieve the above object, the utility model is achieved through the following technical solutions：
A kind of novel variable diameters circular honeycomb board sound absorption structure, which is characterized in that including top panel, lower panel and in
Between laminboard layer cylindrical honeycomb core, the top panel, lower panel are separately positioned on the top and bottom of honeycomb core, the honeycomb
Core includes equal diameter honeycomb core and variable diameters honeycomb core, and the equal diameter honeycomb core is closely arranged by solid matter, the variable diameters bee
Nest core is evenly distributed in equal diameter circle honeycomb core according to symmetry principle.
Further, the variable diameters honeycomb core is with the honeycomb core of surrounding closely along outer circle arranged tangential.
Further, between the upper surface of described plate, lower panel and honeycomb core, equal diameter honeycomb core and equal diameter honeycomb core it
Between, it is all glued connection between equal diameter honeycomb core and variable diameters honeycomb core.
Further, each component materials of the top panel, lower panel and honeycomb core are aluminium alloy.
The utility model has the advantages that compared with general equal diameter circular honeycomb board structure：
1, with sound absorption effect more excellent in experiment measurement more wideband compared with general equal diameter circular honeycomb board structure
Fruit；
2, with sound insulation more excellent in lower frequency region in experiment measurement compared with general equal diameter circular honeycomb board structure
Effect；
3, have compared with general equal diameter circular honeycomb board structure, this structure consumptive material is less, and quality is lighter, is more applicable in
In the aerospace field to weight sensitive；
4, the utility model utility model structure is simple, it is only necessary to which reciprocity diameter circular cellular board carries out local change, is not required to increase
Or the excessive structure of change, it is conducive to actual production, repacking and operation.
Detailed description of the invention
Fig. 1 is the novel variable diameters circular honeycomb board sound absorption structural schematic diagram of the utility model；
Fig. 2 is the honeycomb core schematic diagram of the novel variable diameters circular honeycomb board sound absorption structure of the utility model；
Fig. 3 is the schematic top plan view of the novel variable diameters circular honeycomb board sound absorption structure of the utility model；
Fig. 4 is oise insulation factor comparison diagram of the utility model equivalent diameter circular honeycomb board structure in 100-1600Hz；
Fig. 5 is acoustic absorptivity comparison diagram of the utility model equivalent diameter circular honeycomb board structure in 100-1600Hz；
In figure：1 is top panel, and 2 be equal diameter honeycomb core, and 3 be variable diameters honeycomb core, and 4 be lower panel.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
Embodiment：In Fig. 1, a kind of variable diameters circular honeycomb board sound absorption structure.Its structure include top panel 1, below
The honeycomb core of plate 4 and intermediate laminboard layer, the top panel 1, lower panel 4 are separately positioned on the top and bottom of honeycomb core, institute
Stating honeycomb core includes equal diameter honeycomb core 2 and variable diameters honeycomb core 3.Its intermediate diameter honeycomb core 2 is closely arranged by solid matter, is straightened
Diameter honeycomb core 3 is uniformly distributed filling sandwich layer according to a group number by symmetry principle.The variable diameters honeycomb core 3 is the same as surrounding honeycomb core
Closely along outer circle arranged tangential.Each component materials are aluminium alloy, and each section is using glued connection.Wherein top panel and lower panel
The height of material is 0.3mm, outer diameter 100mm;Equal diameter honeycomb core height is 20mm, equal diameter circle honeycomb core outer diameter * wall
Thickness is 10mm*0.3mm.Variable diameters honeycomb core height is 20mm, and variable diameters honeycomb stem outer diameter * wall thickness is (10*-10)mm*
0.3mm。
The present embodiment is by using impedance tube instrument equity diameter circular honeycomb plate structure and the utility model variable diameters circle
The oise insulation factor and acoustic absorptivity of shape honeycomb plate structure carry out experiment measurement.The test of its intermediate diameter circular honeycomb board Sound Insulation for Structure amount
As a result as shown in Fig. 4 with variable diameters circular honeycomb board Sound Insulation for Structure amount comparison of test results figure, acoustic absorptivity comparative result figure
As shown in Fig. 5.
In addition, structural material is chosen, and arrangement mode inside honeycomb core, the selection of variable diameters circle honeycomb core outer diameter, honeycomb
Depending on the height selection and the selection of wall thickness of core all can be by actual conditions.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas similarly include in the utility model patent protection scope.
Claims (4)
1. a kind of novel variable diameters circular honeycomb board sound absorption structure, which is characterized in that including top panel, lower panel and centre
The cylindrical honeycomb core of laminboard layer, the top panel, lower panel are separately positioned on the top and bottom of honeycomb core, the honeycomb
Core includes equal diameter honeycomb core and variable diameters honeycomb core, and the equal diameter honeycomb core is closely arranged by solid matter, the variable diameters bee
Nest core is evenly distributed in equal diameter circle honeycomb core according to symmetry principle.
2. a kind of novel variable diameters circular honeycomb board sound absorption structure according to claim 1, which is characterized in that the change
Diameter honeycomb core is with other honeycomb cores closely along outer circle arranged tangential.
3. a kind of novel variable diameters circular honeycomb board sound absorption structure according to claim 1, which is characterized in that described
Between upper and lower panel and honeycomb core, between equal diameter honeycomb core and equal diameter honeycomb core, equal diameter honeycomb core and variable diameters honeycomb
It is all glued connection between core.
4. a kind of novel variable diameters circular honeycomb board sound absorption structure according to claim 1, which is characterized in that on described
Each component materials of panel, lower panel and honeycomb core are aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820640834.2U CN208164417U (en) | 2018-05-02 | 2018-05-02 | A kind of novel variable diameters circular honeycomb board sound absorption structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820640834.2U CN208164417U (en) | 2018-05-02 | 2018-05-02 | A kind of novel variable diameters circular honeycomb board sound absorption structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208164417U true CN208164417U (en) | 2018-11-30 |
Family
ID=64369545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820640834.2U Expired - Fee Related CN208164417U (en) | 2018-05-02 | 2018-05-02 | A kind of novel variable diameters circular honeycomb board sound absorption structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208164417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481823A (en) * | 2018-05-02 | 2018-09-04 | 南昌航空大学 | A kind of novel variable diameters circular honeycomb board sound absorption structure |
-
2018
- 2018-05-02 CN CN201820640834.2U patent/CN208164417U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481823A (en) * | 2018-05-02 | 2018-09-04 | 南昌航空大学 | A kind of novel variable diameters circular honeycomb board sound absorption structure |
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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: 20181130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |