Composite ceramsite acoustic board

Abstract

The composite ceramsite acoustic board comprises a shell, and the shell comprises a front side plate, a rear side plate, an upper side plate and a lower side plate; the front side plate, the upper side plate and the lower side plate are of an integrated structure, the rear side plate is of a detachable structure, and sound absorption holes are evenly distributed in the front side plate. The size of the sound absorption inner cavity is obviously related to the specific noise absorption effect, so that the specific sound absorption effect can be adjusted by adjusting the size of the sound absorption inner cavity; therefore, the bottom of each sound absorption inner cavity is provided with the separated bottom plate which is arranged in a separated manner, and the outer side end of each sound absorption inner cavity is correspondingly mounted through the threaded rod and the threaded sleeve mounted on the rear side plate, so that the position of the separated bottom plate in the sound absorption inner cavity can be adjusted by adjusting the threaded rod, and the sound absorption effect is adjusted; and when necessary, the sound absorption inner cavity can be completely blocked, and the sound absorption effect can be correspondingly adjusted.

Description

Technical Field

[0001] The invention relates to the technical field of sound-absorbing panels with ceramsite structures, in particular to a composite ceramsite sound-absorbing panel. Background Art

[0002] In the prior art, expanded clay sound-absorbing panels have gradually replaced the original metal sound-absorbing panels and non-metal sound-absorbing panels. The metal sound-absorbing panel structure in the prior art has been basically eliminated, and non-metal sound-absorbing panels are mostly used to eliminate noise. Non-metal sound-absorbing panels mostly use non-metallic materials as sound-absorbing materials, and commonly used materials include mineral wool boards, wood wool boards, glass fiber wool, rock wool, microporous sponges, polyester fiber boards, or perforated wooden boards. These sound-absorbing materials also have good sound absorption effects.

[0003] However, compared with the above-mentioned traditional sound-absorbing materials, the current expanded clay sound-absorbing board has better advantages. The expanded clay sound-absorbing board is a plate-shaped material supported by expanded clay fired from clay. It is a granular material with a large number of micropores naturally formed inside during the production process. The rich micropores inside the expanded clay itself have good sound absorption effects. In the past, most expanded clay boards were used as filling aggregates or layered filter materials. After the sound absorption characteristics were discovered in the prior art, they were mostly used for building sound absorption, urban sound absorption and railway track sound absorption.

[0004] However, the structure of the ceramsite sound-absorbing board in the prior art is relatively ordinary. Most of the ceramsite sound-absorbing board structures are only a layer of board body arranged in a shell. After the noise enters the interior of the ceramsite sound-absorbing board, the noise is eliminated through the internal micropores. Although it is more efficient than the sound-absorbing board in traditional technology, it still cannot meet some noisy occasions, such as railway tracks, urban main roads and other places, where the noise is relatively large and a better sound absorption effect cannot be achieved.

[0005] Therefore, in order to solve the above problems, it is necessary to develop a composite ceramsite sound-absorbing board with a reasonable structure and improved sound absorption efficiency and quality. Summary of the invention

[0006] The purpose of the present invention is to provide a composite ceramsite sound-absorbing board in view of the shortcomings of the prior art; the technical solution is as follows:

[0007] A composite ceramsite sound-absorbing board comprises a shell, wherein the shell comprises a front side plate, a rear side plate, an upper side plate and a lower side plate; the front side plate, the upper side plate and the lower side plate are an integrated structure, and the rear side plate is a detachable structure, and the front side plate is provided with evenly distributed sound-absorbing holes;

[0008] The shell is provided with a front ceramsite plate and a rear ceramsite plate in sequence from front to back, a front cavity is provided between the front ceramsite plate and the front side plate, and a rear cavity is provided between the rear ceramsite plate and the rear side plate; and a through inner groove is also provided inside the front ceramsite plate, and the inner groove is horn-shaped as a whole, and the notch of the inner groove at the front side end face of the front ceramsite plate is set as the front notch, and the notch at the rear side end face of the front ceramsite plate is set as the rear notch, the size of the front notch is larger than the rear notch, and the noise entering from the sound absorption hole of the front side plate enters the inner groove accordingly;

[0009] The interior of the rear expanded clay board is also provided with uniformly distributed sound-absorbing inner cavities, and each sound-absorbing inner cavity is connected with a cavity opening, and the cavity opening is arranged at the front end surface of the rear expanded clay board. When the front expanded clay board and the rear expanded clay board are correspondingly installed in the shell, the cavity opening corresponds to the position of the rear slot, and the noise entering the inner groove enters the sound-absorbing inner cavity from the cavity opening.

[0010] Furthermore, the sound absorbing holes are arranged in a plurality of rows, and the sound absorbing holes in the upper and lower rows are arranged in a staggered manner.

[0011] Furthermore, the front side notches on the front side end surface of the front side ceramsite board are configured as square notch structures, and the rear side notches corresponding to each front side notch are configured as circular notch structures.

[0012] Furthermore, the front side notches are arranged at zero spacing on the front side ceramsite plate, and adjacent front side notches share the same edge, so that all the noise entering from the sound absorbing holes enters the inner groove from the front side notches.

[0013] Furthermore, the cavity opening is a circular notch structure, and the size is consistent with the rear notch; the sound absorbing inner cavity is set as a circular cavity structure.

[0014] Furthermore, the circular bottom of each sound absorbing cavity is a separate separation bottom plate, and the rear side plate is also provided with a threaded sleeve corresponding to the position of the separation bottom plate, and a threaded rod is correspondingly installed in the threaded sleeve, and the threaded rod passes through the threaded sleeve and the area corresponding to the rear cavity is correspondingly installed on the separation bottom plate;

[0015] The position of the separation bottom plate can be adjusted by twisting the threaded rod, and the separation bottom plate can be pressed into the sound absorbing inner cavity to adjust the cavity size of the sound absorbing inner cavity. At the same time, the separation bottom plate can also be controlled to separate from the sound absorbing inner cavity.

[0016] Furthermore, the rear side panels are detachably installed through mechanical components, and after the rear side panels are detached, the separation bottom plate is correspondingly separated from the sound absorbing inner cavity.

[0017] Beneficial effects: The present invention has the following beneficial effects:

[0018] 1) In the present invention, the noise entering the sound-absorbing hole will enter the inner groove anyway. In the inner groove, the noise can first enter the front ceramsite board from the groove wall of the inner groove. Under the action of the front ceramsite board, part of the noise is eliminated. Then, the noise that has not entered the front ceramsite board will enter the rear ceramsite board inwardly. The noise is first eliminated by the front ceramsite board, thereby improving the sound absorption effect.

[0019] 2) In the present invention, the cavity on the rear ceramsite board corresponds to the position of the rear notch of the front ceramsite board. The rear notch, the cavity and the sound-absorbing inner cavity are all circular structures, so the noise enters the sound-absorbing inner cavity from the cavity. The sound-absorbing inner cavity itself is arranged inside the ceramsite board. After the noise enters, it refracts and collides back and forth in the sound-absorbing inner cavity, and enters the internal gap of the rear ceramsite board accordingly. The noise is gradually absorbed, which can effectively absorb the noise;

[0020] 3) In the present invention, the front ceramsite plate and the rear ceramsite plate are separately arranged, and the two are not integrated, so installation, disassembly and transportation are very convenient; and the positions of the notches and the positions of the cavity openings on the two ceramsite plates correspond to each other. After installation, the positions of the inner groove and the sound-absorbing inner cavity correspond to each other, and the structure is reasonable;

[0021] 4) The size of the sound absorbing inner cavity in the present invention is obviously related to the specific noise absorption effect, so the specific sound absorption effect can be adjusted by adjusting the size of the sound absorbing inner cavity; therefore, in the present invention, the bottom of each sound absorbing inner cavity is set as a separated bottom plate, and the outer end is correspondingly installed through a threaded rod and a threaded sleeve installed on the rear side plate, so the position of the separation bottom plate in the sound absorbing inner cavity can be adjusted by adjusting the threaded rod, thereby adjusting the sound absorption effect, and if necessary, the sound absorbing inner cavity can be completely blocked, and the sound absorption effect can be adjusted accordingly;

[0022] 5) In the present invention, the bottom of the sound absorbing inner cavity is configured as a separation bottom plate, and can be disassembled by the cooperation of the threaded rod and the threaded sleeve. Therefore, the separation bottom plate can be adjusted to be separated from the sound absorbing inner cavity, and then the rear side plate can be disassembled accordingly to clean the dust in the sound absorbing inner cavity. The cleaning can be done once a month, and then the corresponding installation of the separation bottom plate and the corresponding installation of the rear side plate are very convenient, and the sound absorption effect can be effectively improved by cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural exploded view of the present invention;

[0024] Figure 2 This is a front view of the front side panel of the present invention;

[0025] Figure 3 It is a front view of the ceramsite board on the front side of the present invention;

[0026] Figure 4 It is a front view of the rear ceramsite board in the present invention;

[0027] Figure 5 It is the overall structure diagram of the present invention;

[0028] Figure 6 This is a diagram showing the installation position of the separation bottom plate in the present invention;

[0029] Among them, the shell 1; the front side plate 101; the rear side plate 102; the upper side plate 103; the lower side plate 104; the sound absorbing hole 2; the front ceramsite plate 3; the rear ceramsite plate 4; the front cavity 5; the rear cavity 6; the inner groove 7; the front notch 71; the rear notch 72; the sound absorbing inner cavity 8; the separation bottom plate 81; the threaded sleeve 82; the threaded rod 83; the cavity opening 9. DETAILED DESCRIPTION

[0030] The present invention is further explained below in conjunction with the accompanying drawings and specific embodiments. The embodiments are implemented based on the technical solution of the present invention. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0031] like Figure 1 As shown, a composite ceramsite sound-absorbing board includes a shell 1, the shell 1 includes a front side plate 101, a rear side plate 102, an upper side plate 103 and a lower side plate 104; the front side plate 101, the upper side plate 103 and the lower side plate 104 are an integrated structure, and the rear side plate 102 is a detachable structure, and the front side plate 101 is provided with uniformly distributed sound-absorbing holes 2;

[0032] like Figure 2 , Figure 3 and Figure 4 As shown, a front ceramsite plate 3 and a rear ceramsite plate 4 are sequentially arranged in the shell 1 from front to back, a front cavity 5 is arranged between the front ceramsite plate 3 and the front side plate 101, and a rear cavity 6 is arranged between the rear ceramsite plate 4 and the rear side plate 102; and a through inner groove 7 is also arranged inside the front ceramsite plate 3, and the inner groove 7 is horn-shaped as a whole, and the notch of the inner groove 7 at the front side end face of the front ceramsite plate 3 is set as a front notch 71, and the notch at the rear side end face of the front ceramsite plate 3 is set as a rear notch 72, and the size of the front notch 71 is larger than the rear notch 72, and the noise entering from the sound absorption hole 2 of the front side plate 101 enters the inner groove 7 accordingly;

[0033] like Figure 5 As shown, the interior of the rear expanded clay board 4 is also provided with uniformly distributed sound-absorbing inner cavities 8, and each sound-absorbing inner cavity 8 is connected to a cavity opening 9, which is arranged at the front end surface of the rear expanded clay board 4. When the front expanded clay board 3 and the rear expanded clay board 4 are correspondingly installed in the shell 1, the cavity opening 9 corresponds to the position of the rear slot 72, and the noise entering the inner groove 7 enters the sound-absorbing inner cavity 8 from the cavity opening 9.

[0034] The sound absorbing holes 2 are arranged in a plurality of rows, and the sound absorbing holes 2 in the upper and lower rows are arranged in a staggered manner.

[0035] The front notches 71 on the front end surface of the front ceramsite plate 3 are configured as square notch structures, while the rear notches 72 corresponding to each front notch 71 are configured as circular notch structures.

[0036] The front notches 71 are arranged at zero spacing on the front ceramsite board 3 , and adjacent front notches 71 share the same edge, so that all noise entering from the sound absorbing holes 2 enters the inner groove 7 from the front notches 71 .

[0037] The cavity opening 9 is a circular notch structure, and its size is consistent with the rear notch 72; the sound absorbing inner cavity 8 is set as a circular cavity structure.

[0038] like Figure 6 As shown, the circular bottom of each sound absorbing cavity 8 is a separated separation bottom plate 81, and a threaded sleeve 82 corresponding to the position of the separation bottom plate 81 is also provided on the rear side plate 102, and a threaded rod 83 is correspondingly installed in the threaded sleeve 82, and the threaded rod 83 passes through the threaded sleeve 82 and the area corresponding to the rear cavity 6 is correspondingly installed on the separation bottom plate 81;

[0039] The position of the separation bottom plate 81 can be adjusted by screwing the threaded rod 83 , and the separation bottom plate 81 can be pressed into the sound absorbing inner cavity 8 to adjust the cavity size of the sound absorbing inner cavity 8 . Meanwhile, the separation bottom plate 81 can be controlled to separate from the sound absorbing inner cavity 8 .

[0040] The rear side plate 102 is detachably installed through a mechanical assembly, and after the rear side plate 102 is detached, the separation bottom plate 81 is correspondingly separated from the sound absorbing inner cavity 8 .

[0041] The specific working principle of the composite ceramsite sound-absorbing board of the present invention is as follows: the noise enters the front cavity from the sound-absorbing hole of the front side plate, and the inner groove on the front ceramsite plate is a trumpet-shaped structure as a whole, with a large front groove and a small rear groove, and the front groove is a square structure and is tightly connected. Figure 3 As shown, the noise entering from the sound-absorbing hole will enter the inner groove anyway. In the inner groove, the noise can first enter the front expanded clay board from the groove wall of the inner groove. Under the action of the front expanded clay board, part of the noise is eliminated, and then the noise that has not entered the front expanded clay board will enter the rear expanded clay board inward.

[0042] The cavity on the rear expanded clay board corresponds to the rear notch of the front expanded clay board. The rear notch, cavity and sound-absorbing inner cavity are all circular structures, so the noise enters the sound-absorbing inner cavity from the cavity. The sound-absorbing inner cavity itself is arranged inside the expanded clay board. After the noise enters, it refracts and collides back and forth in the sound-absorbing inner cavity, and enters the internal gap of the rear expanded clay board accordingly. The noise is gradually absorbed, which can effectively absorb the noise.

[0043] The front expanded clay board and the rear expanded clay board are separately arranged, and the two are not integrated, so installation, disassembly and transportation are very convenient; and the positions of the grooves and the cavity openings on the two expanded clay boards correspond to each other. After installation, the positions of the inner grooves and the sound-absorbing inner cavity correspond to each other, and the structure is reasonable.

[0044] The size of the sound-absorbing inner cavity in the present invention is obviously related to the specific noise absorption effect, so the specific sound absorption effect can be adjusted by adjusting the size of the sound-absorbing inner cavity; therefore, in the present invention, the bottom of each sound-absorbing inner cavity is set as a separated bottom plate, and the outer end is correspondingly installed through a threaded rod and a threaded sleeve installed on the rear side plate, so the position of the separation bottom plate in the sound-absorbing inner cavity can be adjusted by adjusting the threaded rod, thereby adjusting the sound absorption effect, and if necessary, the sound-absorbing inner cavity can be completely blocked to adjust the sound absorption effect accordingly.

[0045] Furthermore, since the inner groove and the sound-absorbing inner cavity in the present invention are both open, during actual use, it is inevitable that a large amount of dust and the like will enter the inner groove and eventually enter the sound-absorbing inner cavity. If the dust gradually accumulates in the sound-absorbing inner cavity, the sound absorption effect will be seriously affected. Therefore, the dust and the like in the sound-absorbing inner cavity need to be cleaned.

[0046] In the present invention, the bottom of the sound-absorbing inner cavity is configured as a separation bottom plate, and can be disassembled by the cooperation of a threaded rod and a threaded sleeve. Therefore, the separation bottom plate can be adjusted to be separated from the sound-absorbing inner cavity, and then the rear side plate can be disassembled accordingly to clean the dust in the sound-absorbing inner cavity. The cleaning can be done once a month, and then the corresponding installation of the separation bottom plate and the corresponding installation of the rear side plate are very convenient, and the sound absorption effect can be effectively improved by cleaning.

[0047] The above specific implementation is only a preferred embodiment of the present invention and is not intended to limit the implementation of the present invention and the scope of the claims. All equivalent changes and modifications made according to the content of the patent protection scope of the present invention should be included in the scope of the patent application of the present invention.

Claims

1. A composite ceramsite sound-absorbing board, characterized in that: The housing (1) comprises a front side panel (101), a rear side panel (102), an upper side panel (103) and a lower side panel (104); the front side panel (101), the upper side panel (103) and the lower side panel (104) are an integrated structure, while the rear side panel (102) is a detachable structure; the front side panel (101) is provided with evenly distributed sound absorbing holes (2); The shell (1) is provided with a front ceramsite plate (3) and a rear ceramsite plate (4) in sequence from front to back, a front cavity (5) is provided between the front ceramsite plate (3) and the front side plate (101), and a rear cavity (6) is provided between the rear ceramsite plate (4) and the rear side plate (102); and a through inner groove (7) is also provided inside the front ceramsite plate (3), the inner groove (7) being flared as a whole, the notch of the inner groove (7) at the front side end surface of the front ceramsite plate (3) being set as a front notch (71), and the notch at the rear side end surface of the front ceramsite plate (3) being set as a rear notch (72), the size of the front notch (71) being larger than the rear notch (72), and the noise entering from the sound absorption hole (2) of the front side plate (101) correspondingly enters the inner groove (7); The rear ceramsite plate (4) is further provided with uniformly distributed sound-absorbing inner cavities (8), and each sound-absorbing inner cavity (8) is connected to a cavity opening (9), the cavity opening (9) being provided at the front end surface of the rear ceramsite plate (4), and when the front ceramsite plate (3) and the rear ceramsite plate (4) are correspondingly installed in the housing (1), the cavity opening (9) corresponds to the position of the rear slot opening (72), and the noise entering the inner groove (7) enters the sound-absorbing inner cavity (8) from the cavity opening (9).

2. The composite ceramsite sound-absorbing board according to claim 1 is characterized in that: The sound absorbing holes (2) are arranged in a plurality of rows, and the sound absorbing holes (2) in the upper and lower rows are arranged in a staggered manner.

3. The composite ceramsite sound absorbing board according to claim 1 is characterized in that: The front notches (71) on the front end surface of the front ceramsite plate (3) are configured as square notch structures, while the rear notches (72) corresponding to each front notch (71) are configured as circular notch structures.

4. The composite ceramsite sound absorbing board according to claim 3 is characterized in that: The front notches (71) are arranged at zero spacing on the front ceramsite plate (3), and adjacent front notches (71) share the same edge, so that all noise entering from the sound absorption hole (2) enters the inner groove (7) from the front notches (71).

5. The composite ceramsite sound absorbing board according to claim 4 is characterized in that: The cavity opening (9) is a circular notch structure, and its size is consistent with that of the rear notch (72); and the sound absorbing inner cavity (8) is configured as a circular cavity structure.

6. The composite ceramsite sound absorbing board according to claim 5 is characterized in that: The circular bottom of each sound absorbing cavity (8) is a separate separation bottom plate (81), and the rear side plate (102) is also provided with a threaded sleeve (82) corresponding to the position of the separation bottom plate (81), and a threaded rod (83) is correspondingly installed in the threaded sleeve (82), and the threaded rod (83) passes through the threaded sleeve (82) and the area corresponding to the rear cavity (6) and is correspondingly installed on the separation bottom plate (81); The position of the separation bottom plate (81) can be correspondingly adjusted by twisting the threaded rod (83), and the separation bottom plate (81) can be correspondingly pressed into the sound absorbing inner cavity (8) to adjust the cavity size of the sound absorbing inner cavity (8), and the separation of the separation bottom plate (81) from the sound absorbing inner cavity (8) can also be controlled.

7. The composite ceramsite sound absorbing board according to claim 6 is characterized in that: The rear side plate (102) is detachably installed via a mechanical assembly, and after the rear side plate (102) is detached, the separation bottom plate (81) is correspondingly separated from the sound absorbing inner cavity (8).

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