CN110029746A - Waterproof wideband Al-alloy sound absorber - Google Patents

Waterproof wideband Al-alloy sound absorber Download PDF

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Publication number
CN110029746A
CN110029746A CN201910447179.8A CN201910447179A CN110029746A CN 110029746 A CN110029746 A CN 110029746A CN 201910447179 A CN201910447179 A CN 201910447179A CN 110029746 A CN110029746 A CN 110029746A
Authority
CN
China
Prior art keywords
panel
backboard
waterproof
wideband
sound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910447179.8A
Other languages
Chinese (zh)
Inventor
杜胜波
何金龙
陈航
陈跃华
刘耀芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI SHENHUA ACOUSTICS EQUIPMENT CO Ltd
Original Assignee
SHANGHAI SHENHUA ACOUSTICS EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANGHAI SHENHUA ACOUSTICS EQUIPMENT CO Ltd filed Critical SHANGHAI SHENHUA ACOUSTICS EQUIPMENT CO Ltd
Priority to CN201910447179.8A priority Critical patent/CN110029746A/en
Publication of CN110029746A publication Critical patent/CN110029746A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84Sound-absorbing elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84Sound-absorbing elements
    • E04B1/8404Sound-absorbing elements block-shaped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84Sound-absorbing elements
    • E04B2001/8423Tray or frame type panels or blocks, with or without acoustical filling
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84Sound-absorbing elements
    • E04B2001/8423Tray or frame type panels or blocks, with or without acoustical filling
    • E04B2001/8428Tray or frame type panels or blocks, with or without acoustical filling containing specially shaped acoustical bodies, e.g. funnels, egg-crates, fanfolds
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84Sound-absorbing elements
    • E04B2001/8423Tray or frame type panels or blocks, with or without acoustical filling
    • E04B2001/8433Tray or frame type panels or blocks, with or without acoustical filling with holes in their face

Abstract

The present invention discloses a kind of waterproof wideband Al-alloy sound absorber, comprising: six sound-absorbing composite boards, six sound-absorbing composite boards are sequentially connected, and six sound-absorbing composite boards surround and are arranged in regular hexagon;Each sound-absorbing composite board successively includes: panel, aluminium film and backboard from outside to inside, and the panel is faced with the backboard, forms cavity between the panel and the backboard;The panel is aluminium sheet, and the panel is equipped with several first micropunch, and hydrophobic glass fiber cloth is arranged in the inside of the panel;The backboard is aluminium sheet, and the backboard is equipped with several second micropunch;In the cavity, the aluminium film is between the panel and the backboard for the aluminium film setting.Sound absorption effect of the present invention is good, and especially centering low frequency absorption performance is preferable, and light weight, and waterproof, fire resistance rating are high, environmentally protective.

Description

Waterproof wideband Al-alloy sound absorber
Technical field
The present invention relates to the technical field of sound absorber more particularly to a kind of waterproof wideband Al-alloy sound absorbers.
Background technique
Sound field is being built, in order to reduce the indoor reverberation sound of wet environment, is achieving the purpose that improve sound quality, generally require Indoor laying sound absorber.Especially more demanding to sound quality natatorium, oceanarium children boat paradise etc. are to sound absorber Sound absorbing performance has strict requirements.Not only to the acoustic performance requirements sound sucting band of sound absorber wants wide, low frequency absorption performance is wanted It is good, and to have good waterproof performance.
The sound absorption of sound absorber in the prior art and waterproof effect are bad, especially also not good enough to low frequency absorption performance, matter Amount is big, and non-watertight, not environmentally.
Summary of the invention
Ineffective for the waterproof sound absorption of existing sound absorber, especially also not good enough to low frequency absorption performance, quality is big, And the above problem not environmentally, now it is intended to provide that a kind of waterproof, sound absorption effect are good, and especially centering low frequency absorption performance is preferable, And light weight, fire resistance rating is high, environmentally protective waterproof wideband Al-alloy sound absorber.
Specific technical solution is as follows:
A kind of waterproof wideband Al-alloy sound absorber, comprising: six sound-absorbing composite boards, six sound-absorbing composite boards successively connect It connects, and six sound-absorbing composite boards surround and are arranged in regular hexagon;
Each sound-absorbing composite board successively includes: panel, aluminium film and backboard from outside to inside, the panel and the backboard It faces, forms cavity between the panel and the backboard;
The panel is aluminium sheet, and the panel is equipped with several first micropunch, and hydrophobic glass is arranged in the inside of the panel Glass fiber cloth;
The backboard is aluminium sheet, and the backboard is equipped with several second micropunch;
In the cavity, the aluminium film is between the panel and the backboard for the aluminium film setting.
Above-mentioned waterproof wideband Al-alloy sound absorber, wherein two adjacent first micropunch are equally arranged, Two adjacent second micropunch are equally arranged.
Above-mentioned waterproof wideband Al-alloy sound absorber, wherein six backboards are sequentially connected, and six backboards close It encloses and is arranged in regular hexagon.
Above-mentioned waterproof wideband Al-alloy sound absorber, wherein the punching rate of the panel is 1%.
Above-mentioned waterproof wideband Al-alloy sound absorber, wherein the punching rate of the backboard is 2%.
Above-mentioned waterproof wideband Al-alloy sound absorber, wherein the panel with a thickness of 0.8mm, each described The aperture of one micropunch is 0.8mm.
Above-mentioned waterproof wideband Al-alloy sound absorber, wherein the backboard with a thickness of 0.8mm, each described The aperture of two micropunch is 0.8mm.
Above-mentioned waterproof wideband Al-alloy sound absorber, wherein the aluminium film with a thickness of 0.35mm.
Above-mentioned waterproof wideband Al-alloy sound absorber, wherein the cavity with a thickness of 50mm.
Above-mentioned waterproof wideband Al-alloy sound absorber, wherein form gap between the two adjacent panels.
The good effect that above-mentioned technical proposal has compared with prior art is:
Sound absorption effect of the invention is good, and especially centering low frequency absorption performance is preferable, and light weight, and fire resistance rating is high, It is environmentally protective.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of waterproof wideband Al-alloy sound absorber of the present invention;
Fig. 2 is a kind of perspective view of waterproof wideband Al-alloy sound absorber of the present invention;
In attached drawing: 1, sound-absorbing composite board;2, panel;3, aluminium film;4, backboard;5, cavity;6, the first micropunch;7, second is micro- Perforation.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
Fig. 1 is a kind of overall structure diagram of waterproof wideband Al-alloy sound absorber of the present invention, and Fig. 2 is the present invention one The perspective view of kind waterproof wideband Al-alloy sound absorber shows a kind of waterproof of preferred embodiment as depicted in figs. 1 and 2 Wideband Al-alloy sound absorber, comprising: six sound-absorbing composite boards 1, six sound-absorbing composite boards 1 are sequentially connected, and six sound-absorbing composite boards 1 It surrounds and is arranged in regular hexagon.
Further, as a kind of preferred embodiment, each sound-absorbing composite board successively includes: panel 2, aluminium film from outside to inside 3 and backboard 4, panel 2 faced with backboard 4, between panel 2 and backboard 4 formed cavity 5.
Further, as a kind of preferred embodiment, panel 2 is aluminium sheet, and panel 2 is equipped with several first micropunch 6, face Hydrophobic glass fiber cloth is arranged in the inside of plate 2.Preferably, the punching rate of hydrophobic glass fiber cloth is 1%.
Further, as a kind of preferred embodiment, backboard 4 is aluminium sheet, and backboard 4 is equipped with several second micropunch 7.
Further, as a kind of preferred embodiment, aluminium film 3 is set in cavity 5, and aluminium film 3 is located at panel 2 and backboard 4 Between.
Further, as a kind of preferred embodiment, two adjacent first micropunch 6 are equally arranged, and two adjacent second Micropunch 7 is equally arranged.
Further, as a kind of preferred embodiment, six backboards 4 are sequentially connected, and six backboards 4 are surrounded and set in regular hexagon It sets.
The above is only preferred embodiments of the present invention, are not intended to limit the implementation manners and the protection scope of the present invention.
The present invention also has on the basis of the above is implemented as follows mode:
In further embodiment of the present invention, continuing with referring to shown in Fig. 1, Fig. 2, the punching rate of panel 2 is 1%.
In further embodiment of the present invention, the punching rate of backboard 4 is 2%.
In further embodiment of the present invention, panel 2 with a thickness of 0.8mm, the aperture of every one first micropunch 6 is 0.8mm。
In further embodiment of the present invention, backboard 4 with a thickness of 0.8mm, the aperture of every one second micropunch 7 is 0.8mm。
In further embodiment of the present invention, aluminium film 3 with a thickness of 0.35mm.
In further embodiment of the present invention, cavity 4 with a thickness of 50mm.
In further embodiment of the present invention, gap is formed between two adjacent panels 2.
The present invention is a kind of hexagonal honeycomb suspended absorber, and cellular space sound absorber material is a kind of combined type suction Sound composition, sound-absorbing composite board is by three layers of sqound absorption construction.
Sound absorption effect of the invention is good, and especially centering low frequency absorption performance is preferable, and light weight, waterproof, fire resisting etc. Grade is high, and environmentally protective, it is a kind of good sound-absorbing material that the practical day in large space, which is taken,.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content Equivalent replacement and obviously change obtained scheme, should all be included within the scope of the present invention.

Claims (10)

1. a kind of waterproof wideband Al-alloy sound absorber characterized by comprising six sound-absorbing composite boards, the six compound suctions Sound plate is sequentially connected, and six sound-absorbing composite boards surround and are arranged in regular hexagon;
Each sound-absorbing composite board successively includes: panel, aluminium film and backboard from outside to inside, and the panel and the backboard are mutually just It is right, cavity is formed between the panel and the backboard;
The panel is aluminium sheet, and the panel is equipped with several first micropunch, and the inside setting hydrophobic glass of the panel is fine Wei Bu;
The backboard is aluminium sheet, and the backboard is equipped with several second micropunch;
In the cavity, the aluminium film is between the panel and the backboard for the aluminium film setting.
2. waterproof wideband Al-alloy sound absorber according to claim 1, which is characterized in that two adjacent described first micro- wear Hole is equally arranged, and two adjacent second micropunch are equally arranged.
3. waterproof wideband Al-alloy sound absorber according to claim 1, which is characterized in that six backboards successively connect It connects, and six backboards surround and are arranged in regular hexagon.
4. waterproof wideband Al-alloy sound absorber according to claim 1, which is characterized in that the punching rate of the panel is 1%.
5. waterproof wideband Al-alloy sound absorber according to claim 1, which is characterized in that the punching rate of the backboard is 2%.
6. waterproof wideband Al-alloy sound absorber according to claim 1, which is characterized in that the panel with a thickness of 0.8mm, the aperture of each first micropunch are 0.8mm.
7. waterproof wideband Al-alloy sound absorber according to claim 1, which is characterized in that the backboard with a thickness of 0.8mm, the aperture of each second micropunch are 0.8mm.
8. waterproof wideband Al-alloy sound absorber according to claim 1, which is characterized in that the aluminium film with a thickness of 0.35mm。
9. waterproof wideband Al-alloy sound absorber according to claim 1, which is characterized in that the cavity with a thickness of 50mm。
10. waterproof wideband Al-alloy sound absorber according to claim 1, which is characterized in that the two adjacent panels it Between form gap.
CN201910447179.8A 2019-05-27 2019-05-27 Waterproof wideband Al-alloy sound absorber Pending CN110029746A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910447179.8A CN110029746A (en) 2019-05-27 2019-05-27 Waterproof wideband Al-alloy sound absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910447179.8A CN110029746A (en) 2019-05-27 2019-05-27 Waterproof wideband Al-alloy sound absorber

Publications (1)

Publication Number Publication Date
CN110029746A true CN110029746A (en) 2019-07-19

Family

ID=67243413

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910447179.8A Pending CN110029746A (en) 2019-05-27 2019-05-27 Waterproof wideband Al-alloy sound absorber

Country Status (1)

Country Link
CN (1) CN110029746A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112460076A (en) * 2020-07-13 2021-03-09 南京静宝声学科技有限公司 Main exhaust fan array type silencer for large air volume and strong mixed noise

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112460076A (en) * 2020-07-13 2021-03-09 南京静宝声学科技有限公司 Main exhaust fan array type silencer for large air volume and strong mixed noise

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