CN214117061U - Noise reduction plate based on honeycomb structure - Google Patents
Noise reduction plate based on honeycomb structure Download PDFInfo
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- CN214117061U CN214117061U CN202022583153.7U CN202022583153U CN214117061U CN 214117061 U CN214117061 U CN 214117061U CN 202022583153 U CN202022583153 U CN 202022583153U CN 214117061 U CN214117061 U CN 214117061U
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Abstract
A noise reduction plate based on a honeycomb structure comprises a reflection noise reduction plate, wherein the reflection noise reduction plate is provided with two layers, and reflection noise reduction cups and sound guide holes are densely distributed on a plate body of the reflection noise reduction plate; the abatvoix, the abatvoix is located between the two-layer reflection board of making an uproar that falls, and the abatvoix comprises a plurality of foundation structure, and foundation structure includes 6 identical regular six prismatic and the water conservancy diversion hole that encloses, is provided with several in the regular six prismatic and inhales the cotton layer of sound, is equipped with the several on the one side that regular six prismatic encloses into the water conservancy diversion hole and inhales the sound hole. By arranging the reflection noise reduction plate and the sound absorption plate, sound wave energy can be better absorbed, and noise is reduced; through setting up sound guide hole and water conservancy diversion hole, can be under the prerequisite of the noise in the reduction operational environment for temperature in the operational environment is comparatively steady, the utility model discloses specially adapted self can generate heat promptly, produce the noise again, need just can normally fall making an uproar of the equipment of working in certain temperature range simultaneously, for example motor, hoist etc..
Description
Technical Field
The utility model relates to a noise control technical field specifically is a board of making an uproar falls based on honeycomb structure.
Background
With the development of society, the application of mechanical equipment is more and more extensive, and the noise problem is more and more prominent, and the noise has become a big nuisance of human society. Under the condition of long-term noise exposure, the hearing of a human body is permanently damaged, problems of endocrine dyscrasia, neurasthenia, visual deterioration, digestive function reduction and the like can be caused, the intelligence development of a fetus or an infant can be influenced, and the physical and mental health of the human body is seriously harmed.
Therefore, various noise prevention and control measures are proposed in the prior art, a sound absorption material is a commonly used noise absorption material, the sound absorption material is usually a loose and porous material, the sound absorption principle is that sound waves are subjected to air molecule friction and viscous resistance after entering pores of the material, and sound wave energy also enables fine fibers to make mechanical motion in the process, so that sound energy is converted into heat energy. In this process, not only the noise intensity is reduced, but also the sound-absorbing material gradually generates heat. The sound-absorbing material is generally not used directly but prepared into a corresponding material, for example, chinese patent CN206376470U discloses a sound-absorbing composite board, which adopts a sound-absorbing board layer, a fire-proof layer and an adhesive layer to compound into a board, and has the effects of sound absorption, flame retardance and heat preservation, however, the sound-absorbing composite board has a limited sound-absorbing effect because of only having a single layer of sound-absorbing material, and is particularly used for equipment such as a motor and the like which needs to work in a certain temperature range, and the prior art is difficult to balance the relationship between the working temperature and the noise reduction.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a noise reduction plate based on a honeycomb structure, which can reduce noise and maintain the temperature in the environment within a normal range.
The technical proposal provided by the utility model is that a honeycomb structure-based noise reduction plate comprises,
the reflection noise reduction plate is provided with two layers, and reflection noise reduction cups and sound guide holes are densely distributed on a plate body of the reflection noise reduction plate;
the abatvoix, the abatvoix is located two-layerly between the board of making an uproar falls in the reflection, the abatvoix comprises a plurality of foundation structure, foundation structure includes 6 identical regular six prisms, 6 regular six prisms enclose the water conservancy diversion hole that has regular hexagon structure, the cross-section in water conservancy diversion hole with regular six prism's cross-section is the same, be provided with several layers in the regular six prism and inhale the cotton layer of sound, be equipped with the several on the one side that regular six prism encloses into the water conservancy diversion hole and inhale the sound hole.
The utility model discloses an embodiment lies in, among the foundation structure, all be equipped with on two arbitrary regular hexagonal prism adjacent faces and inhale the sound hole.
The utility model discloses an embodiment lies in, regular hexahedral prism inside is hollow structure, just inhale the cotton layer interval setting of sound.
The utility model discloses a further embodiment lies in, any sound absorbing hole is all located between the two-layer cotton layer that attracts.
The utility model discloses an embodiment lies in, the abatvoix is equipped with the multilayer, and the setting of all staggering of water conservancy diversion hole on the arbitrary adjacent two-layer abatvoix.
The utility model discloses an implementation mode lies in, the multilayer the abatvoix between have 1-20 mm's clearance.
Compared with the prior art, the technical scheme has the following advantages:
by arranging the reflection noise reduction plate and the sound absorption plate, sound wave energy can be better absorbed, and noise is reduced; through setting up sound guide hole and water conservancy diversion hole, can be under the prerequisite of the noise in the reduction operational environment for temperature in the operational environment is comparatively steady, the utility model discloses specially adapted self can generate heat promptly, produce the noise again, need just can normally fall making an uproar of the equipment of working in certain temperature range simultaneously, for example motor, hoist etc..
Drawings
The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
FIG. 1 is a rear view of the split structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic structural view of the base structure of the present invention;
in the figure, the sound absorption plate 1, the reflection noise reduction plate 2, the base structure 11, the sound absorption hole 12, the sound absorption cotton layer 13, the diversion hole 14, the reflection noise reduction cup 21 and the sound conduction hole 22 are arranged.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
Example (b):
a noise reduction plate based on a honeycomb structure comprises,
the reflection noise reduction plate 2 is provided with two layers, and a reflection noise reduction cup 21 and a sound guide hole 22 are densely distributed on the plate body;
specifically, the reflection noise reduction plate 2 is divided into a front layer and a rear layer, a plurality of groove-shaped reflection noise reduction cups 21 are arranged on the surface of the reflection noise reduction plate, the inner surfaces of the reflection noise reduction cups 21 are rough surfaces, and the arc-shaped inner surfaces of the reflection noise reduction cups 21 can continuously reflect and weaken sound waves; the surface of the reflection noise reduction plate 2 is further provided with a plurality of sound guide holes 22, and the sound guide holes 22 have multiple functions: part of the sound waves are transmitted to the rear layer through the sound guide holes 22, so that the un-attenuated sound waves are transmitted to the next flow; the heat can be transmitted to the next process through the sound guide hole 22, and the air can also circulate through the sound guide hole 22.
In the present embodiment, the reflective noise reduction plate 2 is a thin metal plate, which facilitates the conduction of heat and unimpaired noise.
Specifically, the interior of a regular hexagonal prism forming the base structure 11 is a hollow structure, and meanwhile, two sound absorption cotton layers 13 are arranged in the base structure, wherein the sound absorption cotton layers 13 are regular hexagons; meanwhile, in the same basic structure 11, the regular hexagonal prism has three adjacent sides provided with sound absorbing holes 12 having the same setting mode, and the 6 regular hexagonal prisms are provided with the middlemost one of the sound absorbing holes 12 to form a diversion hole 14, that is, in the same basic structure 11, the sides connected by the adjacent regular hexagonal prisms are provided with the sound absorbing holes 12, and the sound absorbing holes 12 enable one basic structure 1 to form a basic unit for absorbing sound waves. Simultaneously, in order to balance the relationship between noise reduction and temperature regulation, two layers of sound-absorbing boards 1 are arranged, a space of 10mm is reserved between the two layers of sound-absorbing boards 1, and meanwhile, the flow guide holes 14 of the two layers of sound-absorbing boards 1 are arranged in a staggered mode.
In this embodiment, have 3 on the three adjacent surface of each regular hexagonal prism and inhale sound hole 12 by 3, regular hexagonal prism inside is equipped with two-layer sound absorption cotton layer 13, and these two-layer sound absorption cotton layer 13 evenly separate regular hexagonal prism's inside for 3 layers, and every layer all corresponds one row of 3 and inhales sound hole 12.
The noise reduction plate based on the honeycomb structure can be suitable for an environment with the maximum noise of 100-105 decibels, can reduce the noise by more than 20 decibels and can reach 30 decibels at most, and has a good noise reduction effect. Meanwhile, if the device is used in a closed environment, the temperature rise range in the closed environment is 1-2 ℃, and the normal work of the device cannot be influenced.
In the description of the present invention, it is to be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and are not to be construed as limiting the present invention.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the embodiments of the present invention are all covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A noise reduction plate based on a honeycomb structure is characterized by comprising,
the reflection noise reduction plate is provided with two layers, and reflection noise reduction cups and sound guide holes are densely distributed on a plate body of the reflection noise reduction plate;
the abatvoix, the abatvoix is located two-layerly between the board of making an uproar falls in the reflection, the abatvoix comprises a plurality of foundation structure, foundation structure includes 6 identical regular six prisms, 6 regular six prisms enclose the water conservancy diversion hole that has regular hexagon structure, the cross-section in water conservancy diversion hole with regular six prism's cross-section is the same, be provided with several layers in the regular six prism and inhale the cotton layer of sound, be equipped with the several on the one side that regular six prism encloses into the water conservancy diversion hole and inhale the sound hole.
2. The noise attenuation panel of claim 1, wherein the base structure has sound absorption holes on adjacent faces of any two regular hexagonal prisms.
3. The noise reduction plate according to claim 1 or 2, wherein the regular hexagonal prism has a hollow structure inside, and the sound absorption cotton layers are arranged at intervals.
4. A noise attenuation panel according to claim 3, wherein any one of said sound absorbing holes is provided between two layers of sound absorbing cotton.
5. The noise reduction panel of claim 1, wherein the sound absorbing panels are provided with a plurality of layers, and the flow guide holes of any two adjacent sound absorbing panels are staggered.
6. A noise attenuation panel according to claim 5, wherein the plurality of sound absorbing panels are separated by a gap of 1-20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022583153.7U CN214117061U (en) | 2020-11-10 | 2020-11-10 | Noise reduction plate based on honeycomb structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022583153.7U CN214117061U (en) | 2020-11-10 | 2020-11-10 | Noise reduction plate based on honeycomb structure |
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| Publication Number | Publication Date |
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| CN214117061U true CN214117061U (en) | 2021-09-03 |
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| CN202022583153.7U Active CN214117061U (en) | 2020-11-10 | 2020-11-10 | Noise reduction plate based on honeycomb structure |
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| CN (1) | CN214117061U (en) |
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