CN210032174U

CN210032174U - Sound absorption and noise reduction device

Info

Publication number: CN210032174U
Application number: CN201920749933.9U
Authority: CN
Inventors: 冯小牛
Original assignee: Arukau Building Materials Qidong Co Ltd
Current assignee: Arukau Building Materials Qidong Co Ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-02-07
Anticipated expiration: 2029-05-23

Abstract

The utility model relates to the technical field of sound absorption and noise reduction of buildings, and discloses a sound absorption and noise reduction device, which comprises a wave-shaped sound absorption plate, wherein a plurality of sound absorption holes are arranged on the wave-shaped sound absorption plate, and sound absorption paper is attached to the back surface of the wave-shaped sound absorption plate; the fixing frame is positioned on the back of the wave-shaped sound absorption plate, and the wave-shaped sound absorption plate is fixed on the fixing frame; the filler is positioned on the back of the wavy sound absorption plate and is partially filled in the fixing frame, and the filler can absorb noise. The wave-shaped sound absorbing plate of the sound absorption and noise reduction device is wave-shaped, the sound absorption area is increased in unit area, the reflection path of sound waves can be disturbed due to the wave structure on the surface, a sound source and the wave-shaped sound absorbing plate cannot resonate, and secondary noise pollution is effectively avoided.

Description

Sound absorption and noise reduction device

Technical Field

The utility model relates to a technical field of making an uproar falls in the building sound absorption especially relates to a device of making an uproar falls in sound absorption.

Background

With the development of social economy, although the material culture life of people is greatly improved, a lot of noises are generated along with the improvement of the material culture life of people, the noises have great harm to the spirit and the physical health of human beings, and in order to solve the problem, sound absorption and noise reduction devices are arranged on a plurality of buildings at present.

The existing suction noise reduction device is of a flat plate structure, sound absorption materials are arranged inside a flat plate, and sound absorption holes are formed in the flat plate. Under the condition of large area, the flat plate can produce certain directional reflection to a noise source, and simultaneously, the flat plate can resonate with the noise source due to the structural problem, so that secondary noise pollution can be caused. Meanwhile, the sound absorption function is emphasized by the conventional sound absorption device, so that the sound absorption device does not have the decoration requirement on buildings.

Therefore, a sound absorption and noise reduction device is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device of making an uproar falls in sound absorption, it can increase the sound absorption area and avoid the secondary noise pollution.

To achieve the purpose, the utility model adopts the following technical proposal:

there is provided a sound absorbing and noise reducing device comprising:

the sound absorption structure comprises a wave-shaped sound absorption plate, a sound absorption layer and a sound absorption layer, wherein a plurality of sound absorption holes are formed in the wave-shaped sound absorption plate, and sound absorption paper is attached to the back surface of the wave-shaped sound absorption plate;

the fixing frame is positioned on the back of the wave-shaped sound absorption plate, and the wave-shaped sound absorption plate is fixed on the fixing frame;

the filler is positioned on the back of the wavy sound absorption plate and is partially filled in the fixing frame, and the filler can absorb noise.

Preferably, one of the left side and the right side of the wavy sound absorption plate is provided with a forward flanging, and the other side of the wavy sound absorption plate is provided with a reverse undercut capable of being engaged with the forward flanging.

Preferably, the wave-shaped sound absorption plate is fixed on the fixing frame through a fastening connecting piece.

Preferably, the filler is at least one of centrifugal glass fiber cotton, rock wool, paper honeycomb core, aluminum honeycomb core, sponge, foamed polyurethane, polystyrene foam board and aluminum corrugated core.

Preferably, the upper side, the lower side, the left side and the right side of the fixing frame are provided with closing-up edge strips.

Preferably, the cross-sectional shape of the binding off strake is L-shaped or U-shaped.

Preferably, the mount includes the vertical mount that a plurality of intervals set up and the panel mount that a plurality of intervals set up, the panel mount with vertical mount is the contained angle setting, the panel mount is fixed in on the vertical mount, the wave acoustic baffle is fixed in on the panel mount.

Preferably, a back plate is arranged on the back surface of the fixing frame.

Preferably, the wave of the wave-shaped sound absorption plate is a circular arc wave or a square wave.

The utility model has the advantages that: the wave sound-absorbing plate of the sound absorption and noise reduction device is wave-shaped, the sound absorption area is increased in unit area, the reflection path of sound waves can be disturbed due to the wave structure on the surface, a sound source and the wave sound-absorbing plate cannot resonate, secondary noise pollution is effectively avoided, the wave sound-absorbing plate is wave-shaped, the attractiveness is higher than that of a flat plate, and the decoration effect on buildings can be achieved. The sound absorption paper can absorb part of noise, can also play a role of stopping, can prevent filler on the back of the wave-shaped sound absorption plate from emitting polluted air from the sound absorption holes, and can effectively avoid secondary pollution caused by the sound absorption and noise reduction device.

Drawings

Fig. 1 is a top view of the sound absorption and noise reduction device provided by the present invention (the back plate is a back plate frame and a wave-shaped sound absorption plate);

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a side view of the sound absorption and noise reduction device provided by the present invention (the back plate is a back plate frame and a wave-shaped sound absorption plate);

fig. 4 is a top view of the sound absorption and noise reduction device provided by the present invention (the back plate is a wall);

fig. 5 is a side view of the sound absorption and noise reduction device provided by the present invention (the back plate is a wall);

fig. 6 is a top view of the sound absorption and noise reduction device provided by the present invention (the back plate is a flat plate and a back plate frame);

fig. 7 is a side view of the sound absorption and noise reduction apparatus provided by the present invention (the back plate is a flat plate and a back plate frame);

fig. 8 is a front view of the sound absorbing and noise reducing device provided by the present invention.

In the figure: 1. a wave-shaped sound absorbing panel; 11. sound absorbing paper; 12. reversely undercut; 13. forward flanging; 2. a fixed mount; 21. a vertical fixing frame; 22. a panel fixing frame; 3. a filler; 4. fastening a connecting piece; 5. closing the edge strips; 6. a back plate skeleton; 7. a wall body.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present 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 need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 3, the present embodiment discloses a sound absorption and noise reduction apparatus including a wavy sound absorption panel 1, a fixing frame 2, and a filler 3. The sound absorption and noise reduction device is mainly used for the outer wall or the top layer of a building and is mainly fixed on the outer side of a wall body 7. The wave of the wave-shaped sound absorption plate 1 is arc-shaped or square wave. The wave-shaped sound absorption plate 1 is provided with a plurality of sound absorption holes (not shown in the figure), and sound absorption paper 11 is attached to the back of the wave-shaped sound absorption plate 1. The sound absorption paper 11 can absorb part of noise, can also play a role of stopping, can prevent the filler 3 on the back of the wave-shaped sound absorption plate 1 from emitting polluted air from the sound absorption holes, and can effectively avoid secondary pollution caused by the sound absorption and noise reduction device.

The sound absorption holes can be circular holes, polygonal holes, strip-shaped holes, elliptical holes and the like, and can be arranged in a plum blossom shape, an array mode, an inclined mode or an irregular mode to form a desired shape. The sizes of the sound absorption holes can be consistent or inconsistent, and the sound absorption holes can be gradually changed. The shape, size and arrangement of the sound-absorbing holes can be determined according to the actual needs of customers.

Mount 2 is located the back of wave acoustic baffle 1, and mount 2 includes the vertical mount 21 that a plurality of intervals set up and the panel mount 22 that a plurality of intervals set up, and panel mount 22 is the contained angle setting with vertical mount 21, and the two is 90 contained angles setting in this embodiment, and vertical mount 21 sets up along vertical direction, and panel mount 22 sets up along the horizontal direction. The cross section of the vertical fixing frame 21 is in a U shape, a C shape or a door shape, and the vertical fixing frame is made of metal products, usually aluminum, steel or stainless steel. The vertical fixing frame 21 may be fixed to the wall 7, or may be fixed to the upper and lower ends of the frame of the independent partition. The panel fixing frame 22 is fixed on the vertical fixing frame 21, and the wave-shaped sound absorption plate 1 is fixed on the panel fixing frame 22 through the fastening connecting piece 4, wherein the fastening connecting piece 4 in the embodiment is preferably a self-tapping screw or a rivet.

The filler 3 is positioned on the back of the wave-shaped sound-absorbing board 1 and partially filled in the fixing frame 2, so that the filler 3 is attached to the sound-absorbing paper 11 of the wave-shaped sound-absorbing board 1, and the filler 3 can absorb the noise transmitted from the sound-absorbing holes. The filler 3 is flocculent, and specifically is at least one of centrifugal glass fiber cotton, rock wool, a paper honeycomb core, an aluminum honeycomb core, sponge, foamed polyurethane, a polystyrene foam board and an aluminum corrugated core.

Conventional planar acoustic baffle can only be made blocky because of the restraint of face thickness, if the large tracts of land adoption, two adjacent acoustic baffles about from top to bottom adopt the mode of concatenation to connect more, can have more concatenation gap, lead to the wholeness of acoustic baffle not good, pleasing to the eye inadequately. Referring to fig. 2, one of the left and right sides of the wavy sound absorbing panel 1 is provided with a forward flange 13, and the other side is provided with a reverse undercut 12 capable of engaging with the forward flange 13. Two wave-shaped sound absorption plates 1 adjacent to each other on the left and right are connected with a reverse undercut 12 in an occlusion mode through forward flanging 13 instead of conventional splicing, and no gap exists at the joint. The height of the wavy sound-absorbing panel 1 may be the same as the height of the wall 7. This sound absorption board is owing to form through compression roller machine compression roller, theoretically can infinitely length, but considers transportation scheduling problem, and general length control is within 10 meters, highly produces according to required height, makes this sound absorption and noise reduction device not have the gap in the direction of height, and the wholeness is better, and decorative effect is more pleasing to the eye.

The fixing frame 2 is formed by field processing, the length of the fixing frame 2 is the same as the actual requirement of the field, finally, the wave-shaped sound absorption plate 1 is fixed on the fixing frame 2, the upper side, the lower side, the left side and the right side of the fixing frame 2 are respectively provided with a closing-up edge 5, and the cross section of each closing-up edge 5 is L-shaped or U-shaped. The wavy sound absorption panel 1 is open at the window and the doorway and is fixed at four sides with closing-in strips 5 having a U-shaped cross-sectional shape, see in particular fig. 8.

The back of the fixing frame 2 is provided with a back plate, and when the sound absorption and noise reduction device is fixed on the wall 7, the wall 7 is taken as the back plate, specifically referring to fig. 4 and 5, and at this time, the vertical fixing frame 21 can be fixed on the wall 7. If the sound absorption and noise reduction device is used as a partition wall, a back plate framework 6 is arranged on the back surface of the filler 3, and the back plate framework 6 is fixedly connected with the fixed frame 2 through bolts and the like. The structure of the back plate framework 6 is the same as that of the fixing frame 2, and the upper end and the lower end of the vertical fixing frame 21 are fixed, so that the sound absorption and noise reduction device forms a partition wall. The other plate-like object (see fig. 6 and 7) or the wavy sound absorbing panel 1 (see fig. 1 and 3) is provided as a decorative plate or a sound absorbing panel on the outer side of the back panel frame 6, and the back panel frame 6 and the other plate-like object or the sound absorbing panel fixed to the back panel frame 6 together form a back panel.

The wave sound-absorbing plate 1 of the sound absorption and noise reduction device is wave-shaped, the sound absorption area is increased in unit area, the reflection path of sound waves can be disturbed due to the wave structure on the surface, a sound source and the wave sound-absorbing plate 1 cannot resonate, secondary noise pollution is effectively avoided, the wave sound-absorbing plate is wave-shaped, the attractiveness is higher than that of a flat plate, and the decoration effect on buildings can be achieved.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A sound absorbing and noise reducing device comprising:

the sound absorption structure comprises a wave-shaped sound absorption plate (1), wherein a plurality of sound absorption holes are formed in the wave-shaped sound absorption plate (1), and sound absorption paper (11) is attached to the back of the wave-shaped sound absorption plate (1);

the fixing frame (2) is positioned on the back of the wave-shaped sound absorption plate (1), and the wave-shaped sound absorption plate (1) is fixed on the fixing frame (2);

and the filler (3) is positioned on the back surface of the wave-shaped sound absorption plate (1) and is partially filled in the fixing frame (2), and the filler (3) can absorb noise.

2. The sound absorption and noise reduction device according to claim 1, wherein one of the left and right sides of the wavy sound absorption panel (1) is provided with a forward turned edge (13), and the other side is provided with a reverse undercut (12) capable of engaging with the forward turned edge (13).

3. The sound absorption and noise reduction device according to claim 1, characterized in that the wave-shaped sound absorption panel (1) is fixed to the holder (2) by means of fastening connections (4).

4. The sound absorbing and noise reducing device according to claim 1, wherein the filler (3) is at least one of centrifugal glass fiber cotton, rock wool, paper honeycomb core, aluminum honeycomb core, sponge, foamed polyurethane, polystyrene foam board, aluminum corrugated core.

5. The sound absorption and noise reduction device according to claim 1, wherein the fixing frame (2) is provided with binding off strips (5) on both the upper and lower sides and the left and right sides.

6. The sound absorption and noise reduction device according to claim 5, characterized in that the cross-sectional shape of the binding-off strips (5) is L-shaped or U-shaped.

7. The sound absorption and noise reduction device according to claim 1, wherein the fixing frame (2) comprises a plurality of vertical fixing frames (21) arranged at intervals and a plurality of panel fixing frames (22) arranged at intervals, the panel fixing frames (22) and the vertical fixing frames (21) are arranged at included angles, the panel fixing frames (22) are fixed on the vertical fixing frames (21), and the wave-shaped sound absorption plate (1) is fixed on the panel fixing frames (22).

8. The sound absorbing and noise reducing device according to claim 1, characterized in that the back of the holder (2) is provided with a back plate.

9. The sound absorption and noise reduction device according to claim 1, wherein the waves of the wavy sound absorption panel (1) are circular arc-shaped or square waves.