CN212561974U

CN212561974U - Aluminum composite sound absorber with good sound absorption effect

Info

Publication number: CN212561974U
Application number: CN202020726655.8U
Authority: CN
Inventors: 肖代庆
Original assignee: Guangzhou Kemei Sound Insulation Material Co ltd
Current assignee: Guangzhou Kemei Sound Insulation Material Co ltd
Priority date: 2020-05-05
Filing date: 2020-05-05
Publication date: 2021-02-19
Anticipated expiration: 2030-05-05

Abstract

The utility model provides an aluminium system complex body acoustic absorber that sound absorption is effectual. Effectual aluminium complex body sound absorber of sound absorption includes: the aluminum frame is internally and integrally formed with two symmetrically arranged side lugs; the top wire-drawing aluminum mesh mechanism is connected with the aluminum frame; the bottom screen plate mechanism is connected with the aluminum frame; the sound absorption mechanism is connected in the aluminum frame and comprises fireproof sound-transmitting cloth, environment-friendly inorganic microporous glass fiber acoustic cotton, aldehyde-free environment-friendly acoustic cotton, a substrate and springs, the substrate is fixedly arranged in the aluminum frame and positioned above the side lugs, and the side lugs are connected with the substrate through the springs; the upper surface of the base plate is fixedly connected with fireproof sound-transmitting cloth with an opening at the lower end, and formaldehyde-free environment-friendly acoustic cotton is arranged in the fireproof sound-transmitting cloth. The utility model provides an effectual aluminium system complex body sound absorber of sound absorption has the advantage of full frequency sound absorption.

Description

Aluminum composite sound absorber with good sound absorption effect

Technical Field

The utility model relates to an inhale sound insulation technical field, especially relate to an aluminium system complex body sound absorber that sound absorption effect is good.

Background

The sound absorption plate is an ideal sound absorption decorative material and is widely applied to places such as a large theater, a music hall, a movie theater, a recording studio, a monitoring room, a conference room, a gymnasium, an exhibition hall and the like.

The existing aluminum composite sound absorber is generally an aluminum alloy frame with a built-in sound-absorbing cotton bag and common sound-transmitting cloth, and when the sound absorber is used, the sound absorption coefficient of medium and low frequencies is low, so that the sound absorption effect is poor.

Therefore, it is necessary to provide a new aluminum composite sound absorber with good sound absorption effect to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a sound absorption effect's aluminium system complex sound absorber that sound absorption effect is good in promotion insole frequently.

The utility model provides an effectual aluminium system complex body sound absorber of sound absorption includes: the aluminum frame is internally and integrally formed with two symmetrically arranged side lugs; the top wire-drawing aluminum mesh mechanism is connected with the aluminum frame; the bottom screen plate mechanism is connected with the aluminum frame; the sound absorption mechanism is connected in the aluminum frame and comprises fireproof sound-transmitting cloth, environment-friendly inorganic microporous glass fiber acoustic cotton, aldehyde-free environment-friendly acoustic cotton, a substrate and springs, the substrate is fixedly arranged in the aluminum frame and positioned above the side lugs, and the side lugs are connected with the substrate through the springs; the upper surface of base plate fixed connection has lower extreme open-ended fire prevention sound-transmitting cloth, is equipped with no aldehyde environmental protection acoustics cotton in the fire prevention sound-transmitting cloth, and the cotton upper surface of no aldehyde environmental protection acoustics and lower surface all are connected with the inorganic micropore glass fiber acoustics of environmental protection cotton, and the inorganic micropore glass fiber acoustics of environmental protection that is located the below is cotton and is connected with the base plate.

Preferably, top wire drawing aluminium mesh mechanism includes wire drawing aluminium mesh, first fastening bolt and first connecting block, the internal surface fixed connection of aluminium frame has a plurality of first connecting blocks, and first connecting block is close to the upper end opening setting of aluminium frame, and first connecting block is connected with through first fastening bolt and is used for closing cap aluminium frame upper end open-ended wire drawing aluminium mesh.

Preferably, the bottom screen plate mechanism comprises a second connecting block, a second fastening bolt and a bottom screen plate, the inner surface of the aluminum frame is fixedly connected with a plurality of second connecting blocks, the second connecting blocks are arranged close to the lower end opening of the aluminum frame, and the second connecting blocks are connected with the bottom screen plate used for sealing the lower end opening of the aluminum frame through the second fastening bolt.

Preferably, the surface of the aluminum frame is provided with metal insections for preventing resonance.

Preferably, still pack in the aluminium frame and have compound fire-resistant sound-absorbing and sound-transmitting felt, compound fire-resistant sound-absorbing and sound-transmitting felt is located between side ear and the bottom otter board, and forms the syllable-dividing cavity between compound fire-resistant sound-absorbing and sound-transmitting felt and the base plate.

Preferably, the bottom mesh plate is a composite resin mesh plate.

Compared with the prior art, the utility model provides an aluminium system complex sound absorber that sound absorption effect is good has following beneficial effect:

1. the middle inorganic microporous glass fiber acoustic cotton and the aldehyde-free environment-friendly acoustic cotton are both formed by adopting a multilayer unequal density composite process, so that the middle bottom frequency sound absorption effect is effectively improved, full frequency sound absorption is realized, and the service performance of the product is improved;

2. the utility model can absorb and buffer the sound wave through the spring, thereby improving the sound absorption effect of the device;

3. the fireproof sound-transmitting cloth in the utility model has the fireproof function, improves the fireproof performance of the device, can also avoid direct irradiation of sunlight to the environment-friendly inorganic microporous glass fiber acoustic cotton, and delays the aging speed of the environment-friendly inorganic microporous glass fiber acoustic cotton, thereby prolonging the service life of the device;

4. the utility model provides a wire drawing aluminium net and the contact of the sound-permeable cloth of fire prevention, wire drawing aluminium net play the effect of strutting to sound absorbing mechanism, ensure that sound absorbing mechanism does not flagging, not fall off, reduce the ageing speed of product.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the aluminum composite sound absorber with good sound absorption effect provided by the present invention;

FIG. 2 is a schematic structural view of the top wire drawing aluminum mesh mechanism shown in FIG. 1;

fig. 3 is a partially enlarged view of a portion a in fig. 1.

Reference numbers in the figures: 1. an aluminum frame; 2. a sound absorbing mechanism; 21. fireproof sound-transmitting cloth; 22. the environmental protection inorganic micropore glass fiber acoustic cotton; 23. aldehyde-free environment-friendly acoustic cotton; 24. a substrate; 25. a spring; 3. a top wire-drawing aluminum mesh mechanism; 31. drawing an aluminum mesh; 32. a first fastening bolt; 33. a first connection block; 4. metal insection; 5. a lateral ear; 6. a bottom screen mechanism; 61. a second connecting block; 62. a second fastening bolt; 63. a bottom screen plate; 7. a composite fire-resistant sound-transmitting and-absorbing felt; 8. a sound insulating cavity.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of the aluminum composite sound absorber with good sound absorption effect according to the present invention; FIG. 2 is a schematic structural view of the top wire drawing aluminum mesh mechanism shown in FIG. 1; fig. 3 is a partially enlarged view of a portion a in fig. 1. Effectual aluminium complex body sound absorber of sound absorption includes: the aluminum frame 1 is internally and integrally formed with two symmetrically arranged side lugs 5; the top wire-drawing aluminum mesh mechanism 3 is connected with the aluminum frame 1; the bottom screen plate mechanism 6 is connected with the aluminum frame 1; and the sound absorption mechanism 2 is connected in the aluminum frame 1.

In a specific implementation process, as shown in fig. 1 and 3, the sound absorption mechanism 2 includes a fireproof sound-transmitting cloth 21, an environment-friendly inorganic microporous glass fiber acoustic cotton 22, an aldehyde-free environment-friendly acoustic cotton 23, a substrate 24 and springs 25, the substrate 24 is fixedly arranged in the aluminum frame 1, the substrate 24 is located above the side lugs 5, and the side lugs 5 are connected with the substrate 24 through the springs 25; the upper surface of the base plate 24 is fixedly connected with a fireproof sound-transmitting cloth 21 with an opening at the lower end, formaldehyde-free environment-friendly acoustic cotton 23 is arranged in the fireproof sound-transmitting cloth 21, the upper surface and the lower surface of the formaldehyde-free environment-friendly acoustic cotton 23 are both connected with environment-friendly inorganic microporous glass fiber acoustic cotton 22, and the environment-friendly inorganic microporous glass fiber acoustic cotton 22 located below is connected with the base plate 24.

Need to explain: the aldehyde-free environment-friendly acoustic cotton 23 and the aldehyde-free environment-friendly acoustic cotton 23 are wrapped by the fireproof sound-transmitting cloth 21, and the inorganic microporous glass fiber acoustic cotton 22 and the aldehyde-free environment-friendly acoustic cotton 23 are both formed by adopting a multilayer unequal density compounding process, so that the middle bottom frequency sound absorption effect is effectively improved, the full frequency sound absorption is realized, the service performance of the product is improved, and the multifunctional use value of the product is further improved; the spring 25 can absorb and buffer sound waves, and the sound absorption effect of the device is improved.

It is also stated that: the fireproof sound-transmitting cloth 21 has a fireproof function, the fireproof performance of the device is improved, the fireproof sound-transmitting cloth 21 further has a separation protection function, direct sunlight irradiation of the environment-friendly inorganic microporous glass fiber acoustic cotton 22 is avoided, the aging speed of the environment-friendly inorganic microporous glass fiber acoustic cotton 22 is delayed, and therefore the service life of the device is prolonged.

Referring to fig. 1 and 2, the top wire drawing aluminum mesh mechanism 3 includes a wire drawing aluminum mesh 31, a first fastening bolt 32 and a first connecting block 33, the inner surface of the aluminum frame 1 is fixedly connected with a plurality of first connecting blocks 33, the first connecting blocks 33 are disposed near the upper end opening of the aluminum frame 1, and the first connecting blocks 33 are connected with the wire drawing aluminum mesh 31 for sealing the upper end opening of the aluminum frame 1 through the first fastening bolt 32.

Need to explain: the wire-drawing aluminum mesh 31 adopts an oxidation spraying process to ensure the sound absorption and decoration of the product; the wire-drawing aluminum net 31 is in contact with the fireproof sound-transmitting cloth 21, and the wire-drawing aluminum net 31 plays a role in supporting the sound absorption mechanism 2, so that the sound absorption mechanism 2 is ensured not to droop or fall off, and the aging speed of a product is reduced.

Referring to fig. 3, the bottom screen plate mechanism 6 includes a second connecting block 61, a second fastening bolt 62 and a bottom screen plate 63, the inner surface of the aluminum frame 1 is fixedly connected with a plurality of second connecting blocks 61, the second connecting blocks 61 are arranged near the lower opening of the aluminum frame 1, the second connecting blocks 61 are connected with the bottom screen plate 63 for sealing the lower opening of the aluminum frame 1 through the second fastening bolt 62, and the bottom screen plate 63 is a composite resin screen plate.

Need to explain: bottom otter board 63 passes through second fastening bolt 62 to be installed on aluminium frame 1 to increase aluminium frame 1's intensity, be favorable to the use of product.

Referring to fig. 1, a metal insection 4 for preventing resonance is formed on the surface of the aluminum frame 1.

Need to explain: the probability of the aluminum frame 1 resonating is reduced by the metal insections 4.

Referring to fig. 3, the aluminum frame 1 is further filled with a composite fire-resistant sound-transmitting and absorbing felt 7, the composite fire-resistant sound-transmitting and absorbing felt 7 is located between the side lugs 5 and the bottom screen 63, and a sound-insulating cavity 8 is formed between the composite fire-resistant sound-transmitting and absorbing felt 7 and the substrate 24.

Need to explain: compound fire-resistant sound-transmitting sound-absorbing felt 7 has the function of inhaling sound and preventing fires, and effectively prevents the dust release through compound fire-resistant sound-transmitting sound-absorbing felt 7, forms the air bed in the cavity 8 that gives sound insulation simultaneously to play and inhale sound, syllable-dividing effect, improve the sound effect of inhaling of device.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides an effectual aluminium system complex sound absorber of sound absorption which characterized in that includes:

the aluminum frame (1), two symmetrically arranged side lugs (5) are integrally formed in the aluminum frame (1);

the top wire-drawing aluminum mesh mechanism (3), the top wire-drawing aluminum mesh mechanism (3) is connected with the aluminum frame (1);

the bottom screen plate mechanism (6), the bottom screen plate mechanism (6) is connected with the aluminum frame (1);

the sound absorption structure comprises a sound absorption mechanism (2), wherein the sound absorption mechanism (2) is connected in an aluminum frame (1), the sound absorption mechanism (2) comprises fireproof sound-transmitting cloth (21), environment-friendly inorganic microporous glass fiber acoustic cotton (22), aldehyde-free environment-friendly acoustic cotton (23), a substrate (24) and springs (25), the substrate (24) is fixedly arranged in the aluminum frame (1), the substrate (24) is positioned above side lugs (5), and the side lugs (5) are connected with the substrate (24) through the springs (25); the upper surface of base plate (24) fixed connection has lower extreme open-ended fire prevention sound transmission cloth (21), is equipped with no aldehyde environmental protection acoustics cotton (23) in the fire prevention sound transmission cloth (21), and the upper surface and the lower surface of no aldehyde environmental protection acoustics cotton (23) all are connected with inorganic micropore glass fiber acoustics cotton (22) of environmental protection, and the inorganic micropore glass fiber acoustics cotton (22) of environmental protection that is located the below is connected with base plate (24).

2. The aluminum composite sound absorber with the good sound absorption effect as claimed in claim 1, wherein the top wire-drawing aluminum mesh mechanism (3) comprises a wire-drawing aluminum mesh (31), a first fastening bolt (32) and a first connecting block (33), the inner surface of the aluminum frame (1) is fixedly connected with a plurality of first connecting blocks (33), the first connecting blocks (33) are arranged close to the upper end opening of the aluminum frame (1), and the first connecting blocks (33) are connected with the wire-drawing aluminum mesh (31) for sealing the upper end opening of the aluminum frame (1) through the first fastening bolt (32).

3. The aluminum composite sound absorber with good sound absorption effect as claimed in claim 1, wherein the bottom mesh plate mechanism (6) comprises a second connecting block (61), a second fastening bolt (62) and a bottom mesh plate (63), the inner surface of the aluminum frame (1) is fixedly connected with a plurality of second connecting blocks (61), the second connecting blocks (61) are arranged close to the lower end opening of the aluminum frame (1), and the second connecting blocks (61) are connected with the bottom mesh plate (63) for covering the lower end opening of the aluminum frame (1) through the second fastening bolt (62).

4. The aluminum composite sound absorber with good sound absorption effect as claimed in claim 1, wherein the surface of the aluminum frame (1) is provided with metal insections (4) for preventing resonance.

5. The aluminum composite sound absorber with good sound absorption effect as claimed in claim 1, wherein the aluminum frame (1) is further filled with a composite fire-resistant sound-transmitting and absorbing felt (7), the composite fire-resistant sound-transmitting and absorbing felt (7) is located between the side lugs (5) and the bottom screen plate (63), and a sound-insulating cavity (8) is formed between the composite fire-resistant sound-transmitting and absorbing felt (7) and the substrate (24).

6. The aluminum composite sound absorber having a high sound absorption effect as claimed in claim 3, wherein the bottom mesh plate (63) is a composite resin mesh plate.