CN219569232U

CN219569232U - Sound-absorbing board

Info

Publication number: CN219569232U
Application number: CN202320659175.8U
Authority: CN
Inventors: 谢秋鑫; 邓焕伟; 覃景
Original assignee: Shenzhen Naneng Technology Co ltd
Current assignee: Shenzhen Naneng Technology Co ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-08-22
Anticipated expiration: 2033-03-22

Abstract

The utility model relates to a sound-absorbing board, and relates to the field of sound-absorbing materials, which comprises a sound-absorbing bottom plate, wherein one end surface of the sound-absorbing bottom plate is provided with a plurality of sound-absorbing strips, the sound-absorbing strips are horizontally and uniformly distributed at intervals, a first reflecting cavity is arranged between two adjacent sound-absorbing strips, and the first reflecting cavity is formed in the sound-absorbing bottom plate. The utility model can increase the surface area of sound absorption of the sound-absorbing plate by adding the sound-absorbing strip, so that noise from different directions can be treated. The first reflective cavity design can enable noise to be reflected to the sound absorbing strip for continuous noise treatment, so that noise is reduced to the greatest extent, and the noise reduction effect of the sound absorbing plate is improved.

Description

Sound-absorbing board

Technical Field

The utility model relates to the field of sound absorbing materials, in particular to a sound absorbing board.

Background

In some places with high requirements for sound effects, such as movie theatres, KTVs, theatres and the like, the sound absorbing plate is required to be adopted for noise reduction, sound absorption or sound insulation, the adopted principle is that the surface of the sound absorbing plate is provided with a plurality of channels formed by countless tiny holes connected together, or the channels are formed by countless tiny small gap holes by intersecting countless fibers together, and after sound enters the small holes, the sound is reflected in the inner walls of the channels in a mess until most of sound wave energy becomes heat energy, so that the sound insulation effect is achieved.

The conventional acoustic boards are often flat, i.e. the end surfaces of the acoustic boards are planar, and the noise reduction function of the planar acoustic boards is also affected due to the limited sound source area contacted by the acoustic materials of the planar acoustic boards. Particularly, for some places with higher requirements on sound quality, the sound absorption and noise reduction conditions of the planar sound absorption plate cannot fully meet the places with higher requirements on sound quality.

Disclosure of Invention

In order to improve the noise reduction effect of the sound-absorbing plate, the utility model provides the sound-absorbing plate.

The utility model provides a sound-absorbing board which adopts the following technical scheme:

the utility model provides a sound-absorbing board, includes the sound-absorbing bottom plate, be provided with a plurality of sound-absorbing strip on one of them terminal surface of sound-absorbing bottom plate, a plurality of sound-absorbing strip level is evenly distributed relatively at a distance, and adjacent two be equipped with first reflection cavity between the sound-absorbing strip, first reflection cavity is seted up in the sound-absorbing bottom plate.

Through adopting above-mentioned technical scheme, can increase the surface area of inhaling the sound of abatvoix through increasing the sound strip for the noise from different positions can all be handled. The first reflective cavity design can enable noise to be reflected to the sound absorbing strip for continuous noise treatment, so that noise is reduced to the greatest extent, and the noise reduction effect of the sound absorbing plate is improved.

Optionally, the sound-absorbing strip is connected with the terminal surface of inhaling the sound bottom plate along one of them lateral wall of length direction, the sound-absorbing strip deviates from inhaling the sound bottom plate the side wall and is the arc and inhale the sound cambered surface.

Through adopting above-mentioned technical scheme, inhale the sound strip and deviate from the side wall of inhaling the sound bottom plate and be convex inhale the sound cambered surface for inhale the sound strip and can handle the noise of different positions around, a plurality of inhale the sound strip and make to inhale the sound bottom plate on present wavy three-dimensional curve, reflect out simultaneously inhale the sound strip partial noise and also can handle through other sound strips, thereby improve the sound angle of inhaling the sound panel and inhale the sound scope on the whole.

Optionally, the first reflective cavity is a geometrically shaped cavity and the cavity bottom of the first reflective cavity is a plane.

Through adopting above-mentioned technical scheme, first reflection cavity not only can handle the noise that removes to in the first reflection cavity, can also carry out the reprocessing through the cavity wall reflection of geometry to adjacent sound absorbing strip with partial noise, has two sound absorbing strip's layout mode around the first reflection cavity, can further improve the treatment strength to the noise that reflects out first reflection cavity to further improve the noise reduction intensity of acoustic panel.

Optionally, a first connecting piece used for splicing is arranged between the two sound-absorbing bottom plates mutually spliced along the horizontal direction, and a second connecting piece used for splicing is arranged between the two sound-absorbing bottom plates mutually spliced along the vertical direction.

Through adopting above-mentioned technical scheme, when a plurality of acoustic panels splice, in order to reduce the gap between the adjacent panel to reduce noise and leak between two adjacent panels, realize the connection between the acoustic panels that the level was laid through first connecting piece, the second connecting piece realizes the connection between the acoustic panels that the vertical was laid.

Optionally, the first connecting piece includes first concatenation strip and first cutting, first concatenation strip is located on the lateral wall that one of them inhale the sound bottom plate and be on a parallel with the sound strip, first cutting is located on the lateral wall that another inhale the sound bottom plate and be on a parallel with the sound strip, first concatenation strip and first cutting are laid relatively, first slot that supplies first cutting slip to insert has been seted up on the lateral wall that first concatenation strip just to first cutting.

Through adopting above-mentioned technical scheme, insert in the first slot through the second cutting to realize two acoustic panel horizontal connection, when the noise passes through between first cutting and the first concatenation strip, because be crooked splice gap between first cutting and the first concatenation strip, can contact first cutting and the continuous reflection absorption of first concatenation strip many times when the noise passes through splice gap, thereby carries out further processing to the noise, improves the sound absorbing effect after the acoustic panel installation.

Optionally, the first splicing strip is just to having seted up the reflection hole along the length direction that is perpendicular to the sound absorbing strip on the lateral wall of sound absorbing strip, reflection hole intercommunication first slot, first cutting slip inserts first slot, first cutting and the hole bottom butt of reflection hole for first cutting and reflection hole form the second reflection cavity, the opening direction of second reflection cavity is the same with the opening direction of first reflection cavity.

Through adopting above-mentioned technical scheme, when the noise removes between two adjacent acoustic panels, can be with noise reflection to two adjacent acoustic bars between two adjacent acoustic panels through the second reflection cavity to improve the utilization ratio to the acoustic bar of acoustic panel edge department, further improve the treatment effect that is located the noise between two adjacent acoustic panels.

Optionally, the second connecting piece includes the second cutting, and the second cutting is connected in one of them inhale the sound bottom plate perpendicular to inhale on the length direction's of sound strip lateral wall, another inhale and offered on the sound bottom plate perpendicular to inhale the length direction's of sound strip lateral wall and supplied the vertical male second slot of second cutting.

Through adopting above-mentioned technical scheme, noise between two adjacent acoustic boards through vertical layout can get into the second slot, through the tortuous joint gap between the cell wall of second slot and the second cutting, can reflect and absorb the noise to the leakage of noise abatement improves the treatment effect to the noise.

Optionally, the side wall of the second inserting strip opposite to the second inserting slot is provided with a plurality of reflection convex blocks, and the bottom of the second inserting slot is provided with a limit hole for the reflection convex blocks to be inserted.

Through adopting above-mentioned technical scheme, can improve the complexity of the joint gap between the cell wall of second cutting and second slot through a plurality of reflection lug, can strengthen the absorbing effect to the noise, carry out spacingly to the hookup location of two vertical acoustic panel of laying of concatenation simultaneously, improve the joint strength between the acoustic panel.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the surface area of sound absorption of the sound-absorbing plate can be increased by adding the sound-absorbing strip, so that noise from different directions can be treated. The first reflecting cavity design can enable noise to be reflected to the sound absorbing strip for continuous noise treatment, so that the noise is reduced to the maximum extent, and the noise reduction effect of the sound absorbing plate is improved;

2. the sound-absorbing strips can process noise in different surrounding directions through the sound-absorbing cambered surfaces, the sound-absorbing bottom plates are provided with the wavy three-dimensional curves through the sound-absorbing strips, and part of noise reflected out of the sound-absorbing strips can be processed through other sound-absorbing strips, so that the sound-absorbing angle and the sound-absorbing range of the sound-absorbing plate are improved as a whole;

3. the first reflecting cavity not only can treat the noise moving into the first reflecting cavity, but also can reflect part of the noise to the adjacent sound absorbing strip for retreating through the cavity wall in the geometric shape, thereby further improving the noise reduction strength of the sound absorbing plate.

Drawings

Fig. 1 is a schematic view of the overall structure of a sound-absorbing panel according to the present utility model.

Fig. 2 is a schematic view of the assembly of a plurality of acoustical panels in accordance with an embodiment of the present utility model.

Fig. 3 is a schematic illustration of the connection of two adjacent horizontally disposed acoustical panels in accordance with an embodiment of the present utility model.

Fig. 4 is a schematic illustration of the connection of two adjacent vertically disposed acoustical panels in an embodiment of the present utility model.

In the figure: 1. a sound absorbing base plate; 11. a first reflective cavity; 12. a second slot; 13. a limiting hole; 2. a sound absorbing strip; 21. a sound absorption cambered surface; 3. a first connector; 31. a first splice bar; 311. a first slot; 312. a reflection hole; 32. a first slip; 33. a second reflective cavity; 34. an anti-falling bar; 4. a second connector; 41. a second cutting; 42. and reflecting the bump.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses a sound-absorbing board. Referring to fig. 1, the sound-absorbing panel includes a sound-absorbing base plate 1 and a plurality of sound-absorbing strips 2. A plurality of sound absorbing strips 2 are fixed on one end face of the sound absorbing bottom plate 1. One side wall of the sound-absorbing strip 2 along the length direction is connected with the end face of the sound-absorbing bottom plate 1, and the side wall of the sound-absorbing strip 2, which is away from the sound-absorbing bottom plate 1, is a circular arc-shaped sound-absorbing cambered surface 21. When the sound-absorbing bottom plate 1 is vertically placed, the sound-absorbing strips 2 are vertically arranged and the plurality of sound-absorbing strips 2 are horizontally and uniformly distributed at intervals, so that a wavy three-dimensional curve is formed on the sound-absorbing bottom plate 1, the sound-absorbing surface area of the sound-absorbing plate is increased, and the sound-absorbing strips 2 can process noise in different surrounding directions.

In addition, offer first reflection cavity 11 on the terminal surface that sound absorbing strip 2 was connected to sound absorbing bottom plate 1, all have a plurality of along the first reflection cavity 11 that sound absorbing strip 2's length direction interval was laid between two adjacent sound absorbing strips 2, the chamber bottom of first reflection cavity 11 is the plane for the noise that is located first reflection cavity 11 can be absorbed. The cavity wall of the first reflecting cavity 11 is in a geometric shape, so that part of noise entering the first reflecting cavity 11 can be reflected to the sound absorbing strip 2 to continue noise treatment, the sound absorbing angle and the sound absorbing range of the sound absorbing plate are improved as a whole, the noise is reduced to the greatest extent, and the noise reducing effect of the sound absorbing plate is improved.

When a plurality of acoustic boards are spliced, the size of a gap between two adjacent acoustic boards directly influences the noise treatment effect of the acoustic boards after assembly. Therefore, in order to reduce the connection gap between two adjacent sound-absorbing boards, the process of absorbing noise entering the connection gap is enhanced, and referring to fig. 2, a first connector 3 is provided between two sound-absorbing boards that are horizontally spliced to each other, and a second connector 4 is provided between two sound-absorbing boards that are vertically spliced to each other.

Wherein, referring to fig. 2 and 3, the first connector 3 includes a first splice bar 31 and a first insert bar 32.

The first splicing strip 31 is positioned on the side wall of one sound-absorbing bottom plate 1 parallel to the sound-absorbing strip 2, the first inserting strip 32 is positioned on the side wall of the other sound-absorbing bottom plate 1 parallel to the sound-absorbing strip 2, the first splicing strip 31 and the first inserting strip 32 are oppositely arranged, and a first slot 311 for the sliding insertion of the first inserting strip 32 is formed in the side wall of the first splicing strip 31 opposite to the first inserting strip 32 so as to realize the horizontal connection of two sound-absorbing boards.

Because the first cutting 32 and the first splicing strip 31 are curved splicing gaps, noise can be continuously reflected and absorbed by the first cutting 32 and the first splicing strip 31 for multiple times when passing through the splicing gaps, so that the noise is further processed, and the sound absorbing effect of the sound absorbing plate after being installed is improved.

And in order to further improve the absorption intensity of noise moving into the splicing gap between two adjacent acoustic boards, the first splicing strip 31 is just opposite to the side wall of the acoustic strip 2, the reflecting hole 312 is arranged on the side wall of the acoustic strip 2 along the direction vertical to the length direction of the acoustic strip 2, the reflecting hole 312 is communicated with the first slot 311, the first inserting strip 32 is inserted into the first slot 311 in a sliding manner, and then the first inserting strip 32 is abutted to the hole bottom of the reflecting hole 312, so that the first inserting strip 32 and the reflecting hole 312 form a second reflecting cavity 33, and the opening direction of the second reflecting cavity 33 is the same as the opening direction of the first reflecting cavity 11. Noise entering the second reflective cavity 33 can reach the two adjacent sound-absorbing strips 2 between the two adjacent sound-absorbing boards, so that the utilization rate of the sound-absorbing strips 2 at the edges of the sound-absorbing boards is improved, and the noise treatment effect between the two adjacent sound-absorbing boards is further improved.

In order to avoid the mutual separation of two adjacent horizontally connected sound absorbing boards as much as possible, the side wall of the first inserting strip 32, which is opposite to the first inserting slot 311, is provided with a semi-dovetail-shaped anti-drop strip 34, and the first inserting shape is a semi-dovetail-shaped sliding slot which is mutually clamped with the anti-drop strip 34.

In addition, referring to fig. 2 and 4, the second connector 4 includes a second insert 41, the second insert 41 is connected to a side wall of one of the sound-absorbing bottom plates 1 perpendicular to the length direction of the sound-absorbing strip 2, and a second slot 12 into which the second insert 41 is vertically inserted is formed in a side wall of the other sound-absorbing bottom plate 1 perpendicular to the length direction of the sound-absorbing strip 2. Through the tortuous joint gap between the cell wall of second slot 12 and second cutting 41, can reflect and absorb the noise to reduce the leakage of noise, improve the treatment effect to the noise.

In order to limit the connection positions of two vertically arranged sound-absorbing boards, the second cutting 41 is provided with a plurality of reflection convex blocks 42 on the side wall opposite to the second slot 12, the slot bottom of the second slot 12 is provided with limit holes 13 for the reflection convex blocks 42 to be inserted, so that the connection strength between the sound-absorbing boards can be improved, the complexity of the connection gaps between the second cutting 41 and the slot wall of the second slot 12 can be improved through the plurality of reflection convex blocks 42, and the noise absorption effect can be enhanced.

The implementation principle of the sound-absorbing board provided by the embodiment of the utility model is as follows: the surface area of sound absorption of the sound-absorbing plate can be increased through increasing the sound-absorbing strip 2, so that noise from different directions can be treated, the noise can be reflected to the sound-absorbing strip 2 through the design of the first reflecting cavity 11 for continuous noise treatment, and the noise is reduced to the greatest extent, and the noise reduction effect of the sound-absorbing plate is improved. When a plurality of acoustic boards splice, can improve the crooked degree of concatenation gap between two adjacent acoustic boards through first connecting piece 3 and second connecting piece 4 to make the noise that removes in the concatenation gap can be absorbed by multiple reflection, thereby further improve the noise reduction effect of acoustic board.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. A sound absorbing panel characterized by: including inhaling sound bottom plate (1), be provided with a plurality of sound absorbing strip (2) on one of them terminal surface of inhaling sound bottom plate (1), a plurality of inhale sound strip (2) level is evenly distributed relatively the interval, and adjacent two inhale sound strip (2) between be equipped with first reflection cavity (11), first reflection cavity (11) are seted up in inhaling sound bottom plate (1).

2. The acoustic panel of claim 1 wherein: the sound-absorbing strip (2) is connected with the end face of the sound-absorbing bottom plate (1) along one side wall in the length direction, and the side wall, deviating from the sound-absorbing bottom plate (1), of the sound-absorbing strip (2) is a circular arc-shaped sound-absorbing cambered surface (21).

3. A sound absorbing panel according to claim 2, wherein: the first reflecting cavity (11) is a geometrically shaped cavity and the cavity bottom of the first reflecting cavity (11) is a plane.

4. The acoustic panel of claim 1 wherein: be provided with along the horizontal direction each other two inhale sound bottom plate (1) between be provided with between them and be used for first connecting piece (3) of concatenation, along the vertical direction each other two inhale sound bottom plate (1) between be provided with second connecting piece (4) that are used for the concatenation.

5. The sound absorbing panel of claim 4 wherein: the first connecting piece (3) comprises first splicing strips (31) and first inserting strips (32), the first splicing strips (31) are located on the side wall of one sound absorption bottom plate (1) parallel to the sound absorption strips (2), the first inserting strips (32) are located on the side wall of the other sound absorption bottom plate (1) parallel to the sound absorption strips (2), the first splicing strips (31) and the first inserting strips (32) are oppositely arranged, and the first inserting grooves (311) for the sliding insertion of the first inserting strips (32) are formed in the side wall of the first splicing strips (31) opposite to the first inserting strips (32).

6. The sound absorbing panel of claim 5 wherein: the utility model discloses a sound absorbing strip, including sound absorbing strip (2) and first spliced strip (31), reflection hole (312) have been seted up along the length direction of perpendicular to sound absorbing strip (2) on the lateral wall of sound absorbing strip (2), reflection hole (312) intercommunication first slot (311), first inserted bar (32) slip inserts first slot (311), the hole bottom butt of first inserted bar (32) and reflection hole (312) for first inserted bar (32) and reflection hole (312) form second reflection cavity (33), the opening direction of second reflection cavity (33) is the same with the opening direction of first reflection cavity (11).

7. The sound absorbing panel of claim 4 wherein: the second connecting piece (4) comprises second inserting strips (41), the second inserting strips (41) are connected to the side wall, perpendicular to the length direction of the sound absorbing strips (2), of one sound absorbing bottom plate (1), and second inserting grooves (12) for the second inserting strips (41) to vertically insert are formed in the side wall, perpendicular to the length direction of the sound absorbing strips (2), of the other sound absorbing bottom plate (1).

8. The acoustic panel of claim 7 wherein: the side wall of the second inserting strip (41) right opposite to the second inserting groove (12) is provided with a plurality of reflecting convex blocks (42), and the bottom of the second inserting groove (12) is provided with a limiting hole (13) for inserting the reflecting convex blocks (42).