CN215888676U

CN215888676U - Multilayer material sound absorption and insulation body with good noise reduction effect

Info

Publication number: CN215888676U
Application number: CN202122537390.4U
Authority: CN
Inventors: 曾珊珊
Original assignee: Shaanxi Zhongbo Chuangzhi Electronic Technology Co ltd
Current assignee: Shaanxi Zhongbo Chuangzhi Electronic Technology Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-02-22
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses a multi-layer material sound absorption and insulation body with a good noise reduction effect, which comprises a sound absorption cotton plate, a composite material layer and a noise reduction covering layer, wherein the sound absorption cotton plate, the composite material layer and the noise reduction covering layer are mutually and closely adhered and fixed through an adhesive, a sound absorption metamaterial winding belt is arranged inside the sound absorption cotton plate, the inside of the composite material layer respectively consists of a polyurethane sound insulation layer, a first sound insulation splint, a sound insulation material filling layer, a second sound insulation splint and an organic material sound insulation layer, the polyurethane sound insulation layer is coated on the outer surface of the first sound insulation splint, the sound insulation material filling layer is arranged in the middle of the first sound insulation splint and the second sound insulation splint, and a noise reduction sound insulation felt plate, a high-crystal noise reduction plate and a damping rubber plate are respectively arranged inside the noise reduction covering layer. The utility model realizes ultralow frequency resonance sound absorption and noise reduction by adopting the labyrinth type metamaterial sound absorption structure and matching with a plurality of groups of composite sound absorption and noise reduction material structures, and has the advantage of good sound insulation and noise reduction effects.

Description

Multilayer material sound absorption and insulation body with good noise reduction effect

Technical Field

The utility model relates to the technical field of noise reduction and sound insulation materials, in particular to a sound absorption and insulation body made of a multi-layer material and having a good noise reduction effect.

Background

The soundproof panel is a panel that acts on a soundproof effect. There are building sound insulation and structure sound insulation classifications. The sound insulation board can not obstruct sound of all frequencies, an object has a natural resonant frequency, the sound insulation effect of the sound insulation board is obviously reduced when the sound insulation board is close to the sound of the object resonant frequency. The soundproof panel has a distinction between air sound insulation and vibration sound insulation.

The sound insulation and noise reduction effect of the existing sound absorption and insulation body is poor, and ultralow frequency sound insulation and noise reduction cannot be realized, so that the market needs to develop a novel sound insulation and noise reduction body made of a multi-layer material with a good noise reduction effect to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-layer material sound absorption and insulation body with good noise reduction effect, and aims to solve the problems that the existing sound absorption and insulation body in the background technology is poor in sound absorption and insulation effect and cannot realize ultralow frequency sound absorption and noise reduction.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a multilayer material that noise reduction effect is good inhales sound insulation body, includes inhales cotton board, combined material layer and falls the covering of making an uproar, inhale cotton board, combined material layer and fall and closely glue glutinous each other between the covering through the adhesive and fix, the internally mounted who inhales the cotton board of sound has the sound metamaterial winding of inhaling, the inside of combined material layer is respectively by polyurethane puigging, first puigging, sound insulation material filling layer, second puigging and organic material puigging constitute jointly, and the cladding of polyurethane puigging is at the surface of first puigging, and sound insulation material filling layer is installed in the centre of first puigging and second puigging, the inside of falling the covering of making an uproar is provided with respectively and falls the sound insulation felt board of making an uproar, the brilliant board and the damping rubber slab of making an uproar.

Preferably, the sound insulation material filling layer is filled with sound insulation damping felt, a polyester fiber sound absorption plate and a wave crest sound absorption sponge.

Preferably, the organic material soundproof layer covers the outer surface of the second soundproof plywood.

Preferably, the noise reduction and sound insulation felt plate is coated on one side surface of the high-crystal noise reduction plate, and the damping rubber plate is coated on the other side surface of the high-crystal noise reduction plate.

Preferably, the sound-absorbing metamaterial winding belt is coiled, and sound-absorbing paint is coated on the surface of the sound-absorbing metamaterial winding belt.

Preferably, the side surface of the noise reduction cladding is connected with a wall surface bottom plate through an adhesive.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the sound absorption cotton plate is internally provided with a sound absorption metamaterial winding belt, the sound absorption metamaterial winding belt is in a coiled structure, the sound absorption metamaterial winding belt is formed by pressing nanometer metamaterial, sound absorption paint is coated on the outer surface of the sound absorption metamaterial winding belt, the sound absorption and sound insulation performance of the material can be achieved, the ultra-low frequency noise reduction is achieved by 50-250 Hz, and the sound absorption cotton plate has the advantages of small volume, light weight and easiness in processing;

(2) the inside of combined material layer is by the polyurethane puigging respectively, first syllable-dividing splint, the sound insulation material filling layer, second syllable-dividing splint and organic material puigging constitute jointly, through being provided with multiple compound sound insulation panel, with the sound insulation material filling layer clamp in the centre of the centre, the inside packing of sound insulation material filling layer has sound-proof damping felt, polyester fiber abatvoix, the wave crest inhales the sound sponge, can realize multiple compound sound insulation and fall and make an uproar, the compound stack of multiunit material is in the same place, realize that the ultralow frequency is given sound insulation and fall and make an uproar.

Drawings

FIG. 1 is a schematic view of the overall internal components of the present invention;

FIG. 2 is a schematic view of the internal structure of the sound-absorbing cotton panel according to the present invention;

FIG. 3 is a schematic view of the internal composition of the composite layer of the present invention;

FIG. 4 is a schematic diagram of the internal structure of the noise reduction cladding of the present invention.

In the figure: 1. a sound absorbing cotton plate; 2. a composite material layer; 3. a noise reduction cladding; 4. a wall surface bottom plate; 5. the sound absorption metamaterial coiled belt; 6. a polyurethane sound insulating layer; 7. a first sound-insulating splint; 8. a sound insulating material filling layer; 9. a second sound-insulating splint; 10. an organic material sound insulating layer; 11. a damping rubber plate; 12. a noise reduction and sound insulation felt plate; 13. high brilliant noise reduction board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an embodiment of the present invention is shown: the utility model provides a multilayer material that noise reduction effect is good inhales the sound insulation body, including inhaling sound cotton board 1, combined material layer 2 and the covering 3 of making an uproar that falls, inhale sound cotton board 1, combined material layer 2 and fall between the covering 3 of making an uproar closely glue glutinous each other fixedly through the adhesive, the internally mounted who inhales sound cotton board 1 has sound metamaterial winding 5, the inside of combined material layer 2 is respectively by polyurethane puigging 6, first puigging 7, puigging filling layer 8, second puigging 9 and organic material puigging 10 constitute jointly, the surface of polyurethane puigging 6 cladding at first puigging 7, puigging 8 is installed in the centre of first puigging 7 and second puigging 9, the inside of the covering 3 of making an uproar that falls is provided with respectively and falls sound insulation felt board 12 of making an uproar, board 13 and damping rubber slab 11 fall the brilliant.

Further, the sound insulation material filling layer 8 is filled with sound insulation damping felt, a polyester fiber sound absorption plate and wave crest sound absorption sponge.

Further, an organic material soundproof layer 10 is coated on an outer surface of the second soundproof sandwich panel 9.

Further, the noise reduction and sound insulation felt plate 12 is coated on one side surface of the high-crystal noise reduction plate 13, and the damping rubber plate 11 is coated on the other side surface of the high-crystal noise reduction plate 13.

Further, the sound-absorbing metamaterial winding belt 5 is in a coiled structure, and sound-absorbing paint is coated on the surface of the sound-absorbing metamaterial winding belt 5.

Further, the side surface of the noise reduction cladding 3 is connected with a wall surface bottom plate 4 through an adhesive.

The working principle is as follows: when the sound-absorbing cotton board is used, the sound-absorbing cotton board 1, the composite material layer 2 and the noise-reducing covering layer 3 are mutually closely adhered and fixed through an adhesive, the sound-absorbing metamaterial winding belt 5 is arranged inside the sound-absorbing cotton board 1, the outside of the sound-absorbing metamaterial winding belt 5 is of a coiled structure, sound-absorbing paint is coated on the surface of the sound-absorbing metamaterial winding belt 5, the sound-absorbing metamaterial winding belt 5 is formed by pressing a nanometer metamaterial, sound-absorbing paint is coated on the outer surface of the sound-absorbing metamaterial winding belt 5, the sound-absorbing and sound-insulating performance of the material can be achieved, the ultra-low frequency noise reduction is achieved by 50-250 Hz, the sound-absorbing and sound-insulating composite board has the advantages of small size, light weight and easiness in processing, the inner part of the composite material layer 2 is respectively formed by the polyurethane sound-insulating layer 6, the first sound-insulating splint 7, the sound-insulating material filling layer 8, the second sound-insulating splint 9 and the organic material sound-insulating layer 10, and the sound-insulating material filling layer 8 is sandwiched in the middle through the arrangement of various composite sound-insulating boards, the inside packing of sound-proof material filling layer 8 has syllable-dividing damping felt, polyester fiber abatvoix, the wave crest is inhaled the sound sponge, can realize that multiple complex gives sound insulation and falls and fall the noise, multiunit material is compound superposes together, realize that the ultralow frequency gives sound insulation and falls and fall the noise, the inside of the cladding of making an uproar 3 of falling is provided with the sound-proof felt board 12 of making an uproar respectively, the brilliant 13 of falling the noise board and damping rubber board 11 of falling the noise, the sound-proof felt board 12 of falling the noise of will falling, the brilliant 13 of falling the noise board and damping rubber board 11 of falling the noise are glued together and are fixed, make it possess good sound-proof noise reduction effect.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a multilayer material that noise reduction effect is good inhales sound insulation body, includes inhales sound cotton board (1), combined material layer (2) and falls cladding (3) of making an uproar, a serial communication port, inhale between sound cotton board (1), combined material layer (2) and fall the cladding (3) of making an uproar and closely glue glutinous each other fixedly through the adhesive each other, the internally mounted who inhales sound cotton board (1) has sound metamaterial winding (5), the inside of combined material layer (2) is respectively by polyurethane puigging (6), first syllable-dividing splint (7), sound insulation material filling layer (8), second syllable-dividing splint (9) and organic material puigging (10) constitute jointly, polyurethane puigging (6) cladding is at the surface of first syllable-dividing splint (7), sound insulation material filling layer (8) are installed in the centre of first syllable-dividing splint (7) and second syllable-dividing splint (9), the inside of falling cladding (3) of making an uproar is provided with respectively and falls acoustic felt board (12) of making an uproar, A high-crystal noise reduction plate (13) and a damping rubber plate (11).

2. The sound absorption and insulation body made of the multilayer material with good noise reduction effect according to claim 1, is characterized in that: and the sound insulation damping felt, the polyester fiber sound absorption plate and the wave crest sound absorption sponge are filled in the sound insulation material filling layer (8).

3. The sound absorption and insulation body made of the multilayer material with good noise reduction effect according to claim 1, is characterized in that: the organic material sound insulation layer (10) is coated on the outer surface of the second sound insulation splint (9).

4. The sound absorption and insulation body made of the multilayer material with good noise reduction effect according to claim 1, is characterized in that: the noise reduction and sound insulation felt plate (12) is coated on one side surface of the high-crystal noise reduction plate (13), and the damping rubber plate (11) is coated on the other side surface of the high-crystal noise reduction plate (13).

5. The sound absorption and insulation body made of the multilayer material with good noise reduction effect according to claim 1, is characterized in that: the sound-absorbing metamaterial winding belt (5) is of a coiled structure, and sound-absorbing paint is smeared on the surface of the sound-absorbing metamaterial winding belt (5).

6. The sound absorption and insulation body made of the multilayer material with good noise reduction effect according to claim 1, is characterized in that: the side surface of the noise reduction cladding (3) is connected with a wall surface bottom plate (4) through an adhesive.