CN220725437U - Micro-joint sound absorption honeycomb plate - Google Patents
Micro-joint sound absorption honeycomb plate Download PDFInfo
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- CN220725437U CN220725437U CN202322081568.8U CN202322081568U CN220725437U CN 220725437 U CN220725437 U CN 220725437U CN 202322081568 U CN202322081568 U CN 202322081568U CN 220725437 U CN220725437 U CN 220725437U
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- honeycomb
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 15
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 5
- 239000011120 plywood Substances 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 229920000742 Cotton Polymers 0.000 abstract description 6
- 241000894006 Bacteria Species 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000011162 core material Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 4
- 239000013013 elastic material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Building Environments (AREA)
Abstract
The utility model relates to the technical field of honeycomb plates, in particular to a micro-joint sound absorption honeycomb plate which comprises a top plate and a bottom plate, wherein a plurality of ultra-micro holes are formed in the top plate and are regularly arranged in a dot shape, an aluminum honeycomb core is fixedly connected between the top plate and the bottom plate, and a sound insulation plate is fixedly connected to the top of the aluminum honeycomb core. Through offer the ultra-micro hole of a large amount of aperture on the roof, when the sound wave moves along the hole of ultra-micro hole, the sound wave takes place mutual friction with the hole, with sound energy conversion heat energy gradually in the in-process of friction, make the sound energy reduce gradually, when the sound energy gets into the hole of ultra-micro hole, the unable rethread hole of sound energy returns to original space, thereby make the sound energy in original space weaken, and then make this honeycomb panel play the effect of sound absorption, replaced the tradition and used the method of soundproof cotton, the problem that mould and bacterium have been caused because use soundproof cotton high temperature in the building has been solved, indoor air quality has been improved.
Description
Technical Field
The utility model relates to the technical field of honeycomb plates, in particular to a micro-joint sound-absorbing honeycomb plate.
Background
The honeycomb board is a board which is made of two thinner panels and firmly adhered on two sides of a thicker honeycomb core material, has wide application and is mainly used for building curtain wall exterior wall cladding, interior decoration engineering and the like.
When carrying out the sound absorption to the honeycomb panel, set up the soundproof cotton on the honeycomb panel generally, and the soundproof cotton after long-time use in the building can lead to the humidity in the building too high to can initiate mould and bacterium to produce, influence indoor air quality, bring more puzzlements for the user.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a micro-joint sound-absorbing honeycomb panel.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a micro-joint sound absorption honeycomb board, includes roof and bottom plate, be provided with a plurality of super micropore on the roof, super micropore is regular punctiform and arranges, fixedly connected with aluminium honeycomb core between roof and the bottom plate, the top fixedly connected with acoustic celotex board of aluminium honeycomb core, the acoustic celotex board is connected with the buffering plywood through buffering support piece, a plurality of through-hole has been seted up on the buffering plywood.
Preferably, a sound absorbing plate is fixedly connected between the bottom plate and the aluminum honeycomb core, a flow channel for air to flow is formed on the side edges of the bottom plate and the sound absorbing plate, and the flow channel extends to the inside of the sound absorbing plate and forms a layer of air layer on the side edges of the sound absorbing plate.
Preferably, the pore diameter of the ultramicropore is smaller than 0.25mm, and the penetration rate is between 1% and 2%.
Preferably, the sound insulation plate is made of polyurethane rubber.
Preferably, the top plate and the bottom plate are both aluminum plates.
The beneficial effects of the utility model are as follows:
through offer the ultra-micro hole of a large amount of aperture on the roof, when the sound wave moves along the hole of ultra-micro hole, the sound wave takes place mutual friction with the hole, with sound energy conversion heat energy gradually in the in-process of friction, make the sound energy reduce gradually, when the sound energy gets into the hole of ultra-micro hole, the unable rethread hole of sound energy returns to original space, thereby make the sound energy in original space weaken, and then make this honeycomb panel play the effect of sound absorption, replaced the tradition and used the method of soundproof cotton, the problem that mould and bacterium have been caused because use soundproof cotton high temperature in the building has been solved, indoor air quality has been improved.
By adopting the polyurethane rubber sound insulation board, the polyurethane rubber contains a large amount of elastic materials and air holes, so that part of sound is absorbed and bounced in the process of sound transmission, the sound transmission is weakened, and a good sound insulation effect is achieved.
Drawings
FIG. 1 is a schematic view of the general structure of a micro-joint sound absorbing honeycomb panel according to the present utility model;
FIG. 2 is a schematic view of an enlarged point A of a micro-joint sound-absorbing honeycomb panel according to the present utility model;
fig. 3 is an explosion schematic diagram of a connection structure of a sound insulation board and a buffer laminate of a micro-joint sound absorption honeycomb board.
In the figure:
1. a top plate; 2. a bottom plate; 3. an aluminum honeycomb core; 4. a sound insulation board; 5. a buffer laminate; 6. a buffer support; 7. a sound absorbing panel; 8. a flow channel; 9. and an air layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
What is not described in detail in this specification is prior art known to those skilled in the art.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
Examples:
referring to fig. 1-3, a micro-joint sound absorption honeycomb board comprises a top board 1 and a bottom board 2, wherein a plurality of ultra-micro holes are formed in the top board 1 and are regularly arranged in a dot shape, an aluminum honeycomb core 3 is fixedly connected between the top board 1 and the bottom board 2, a sound insulation board 4 is fixedly connected to the top of the aluminum honeycomb core 3, the sound insulation board 4 is connected with a buffer laminate 5 through a buffer support piece 6, and a plurality of through holes are formed in the buffer laminate 5.
The bottom plate 2 and the aluminum honeycomb core 3 are fixedly connected with a sound absorption plate 7, a flow channel 8 for air to flow is formed on the side edges of the bottom plate 2 and the sound absorption plate 7, and the flow channel 8 extends to the inside of the sound absorption plate 7 and forms a layer of air layer 9 on the side edge of the sound absorption plate 7.
The aperture of the ultra-micropore is smaller than 0.25mm, and the threading rate is between 1% and 2%.
The acoustic panel 4 is made of polyurethane rubber.
The top plate 1 and the bottom plate 2 are all made of aluminum plates.
In this embodiment, when sound is transmitted, sound waves enter the inside of the honeycomb panel through a plurality of ultra-micro holes formed in the top plate 1 when the sound is transmitted to the top plate 1, the sound waves rub against the holes of the ultra-micro holes when the sound waves travel along the holes of the ultra-micro holes, the sound energy is gradually converted into heat energy in the rubbing process, the total energy is kept unchanged in a closed system according to the law of conservation of energy, the sound energy is gradually reduced when the heat energy is increased, the sound energy cannot return to the original space through the holes when the sound energy enters the holes of the ultra-micro holes, the sound energy of the original space is weakened, the sound absorption effect is further achieved, the sound energy which is not weakened is transmitted to the buffer layer plate 5, the sound wave is buffered through the buffer laminate 5, and when passing through the through holes on the buffer laminate 5, the sound wave collides with the through holes on the buffer laminate 5 again, and gradually consumes the energy of the sound, the sound insulation board 4 adopts polyurethane rubber, and as the polyurethane rubber contains a large amount of elastic materials and air holes, part of the sound is absorbed and bounced in the process of sound transmission, the sound transmission is weakened, thereby achieving the sound insulation effect, and through the air layer 9 reserved at the side edge of the sound absorption board 7, when the sound is transmitted into the air layer 9 through the flow channel 8, the sound wave interacts with the air layer 9, when the frequency of the sound wave is injected from the outside and the natural frequency of the air layer 9 system are consistent, resonance is generated, further the sound energy is absorbed, the sound absorption effect is achieved, the ultra-micro pore diameter of the top board 1 is smaller, the number of holes is more, so that the acoustic resistance effect of the honeycomb plate is stronger.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a micro-joint sound absorption honeycomb board, includes roof (1) and bottom plate (2), its characterized in that, be provided with a plurality of super micropore on roof (1), super micropore is regular punctiform and arranges, fixedly connected with aluminium honeycomb core (3) between roof (1) and bottom plate (2), the top fixedly connected with acoustic celotex board (4) of aluminium honeycomb core (3), acoustic celotex board (4) are connected with buffering plywood (5) through buffering support piece (6), a plurality of through-hole has been seted up on buffering plywood (5).
2. The micro-joint sound-absorbing honeycomb panel according to claim 1, wherein a sound-absorbing panel (7) is fixedly connected between the bottom plate (2) and the aluminum honeycomb core (3), a flow channel (8) for air to flow is formed on the side edges of the bottom plate (2) and the sound-absorbing panel (7), and the flow channel (8) extends to the inside of the sound-absorbing panel (7) and forms an air layer (9) on the side edge of the sound-absorbing panel (7).
3. A micro-joint sound absorbing honeycomb panel according to claim 1, wherein the ultra-micro holes have a pore size of less than 0.25mm and a porosity of between 1% and 2%.
4. A micro-joint sound absorbing honeycomb panel according to claim 1, characterized in that the sound insulating panel (4) is made of polyurethane rubber.
5. A micro-joint sound absorbing honeycomb panel according to claim 1, characterized in that the top plate (1) and the bottom plate (2) are both made of aluminium plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322081568.8U CN220725437U (en) | 2023-08-04 | 2023-08-04 | Micro-joint sound absorption honeycomb plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322081568.8U CN220725437U (en) | 2023-08-04 | 2023-08-04 | Micro-joint sound absorption honeycomb plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220725437U true CN220725437U (en) | 2024-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322081568.8U Active CN220725437U (en) | 2023-08-04 | 2023-08-04 | Micro-joint sound absorption honeycomb plate |
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| Country | Link |
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| CN (1) | CN220725437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118248113A (en) * | 2024-05-23 | 2024-06-25 | 山东睿德声景工程科技有限公司 | Micro-joint sound absorption cavity and processing method thereof |
-
2023
- 2023-08-04 CN CN202322081568.8U patent/CN220725437U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118248113A (en) * | 2024-05-23 | 2024-06-25 | 山东睿德声景工程科技有限公司 | Micro-joint sound absorption cavity and processing method thereof |
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