CN112726860A - Light sound absorption and insulation board - Google Patents

Light sound absorption and insulation board Download PDF

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Publication number
CN112726860A
CN112726860A CN201911034042.6A CN201911034042A CN112726860A CN 112726860 A CN112726860 A CN 112726860A CN 201911034042 A CN201911034042 A CN 201911034042A CN 112726860 A CN112726860 A CN 112726860A
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CN
China
Prior art keywords
sound
layer
sound insulation
insulation layer
panel
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Pending
Application number
CN201911034042.6A
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Chinese (zh)
Inventor
张丽敏
陈永
朱健平
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Nanjing Zhongtuo Technology Inc
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Nanjing Zhongtuo Technology Inc
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Priority to CN201911034042.6A priority Critical patent/CN112726860A/en
Publication of CN112726860A publication Critical patent/CN112726860A/en
Pending legal-status Critical Current

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    • 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
    • E04B1/86Sound-absorbing elements slab-shaped
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04Analysing solids
    • G01N29/11Analysing solids by measuring attenuation of acoustic waves
    • 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
    • E04B2001/8457Solid slabs or blocks
    • E04B2001/8461Solid slabs or blocks layered
    • 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
    • E04B2001/8457Solid slabs or blocks
    • E04B2001/8476Solid slabs or blocks with acoustical cavities, with or without acoustical filling

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Architecture (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Abstract

The invention provides a light sound absorption and insulation board which is characterized by comprising an outer sound absorption layer, an outer sound insulation layer, an air layer, an inner sound insulation layer and an inner sound insulation layer, wherein the outer sound absorption layer and the outer sound insulation layer are adhered by glue, the outer sound insulation layer and the inner sound insulation layer are fixed by a stud or a bracket, and the inner sound insulation layer are adhered by glue. The invention adopts the mode that the sound absorption layers are added on the two sides of the inner and outer sound insulation layers which sandwich the air layer to realize light weight and high sound insulation, and the rigidity and the pressure resistance of the sound insulation board are improved by fixing the inner and outer sound insulation layers by using the studs or the brackets, thereby having the obvious advantages of high sound insulation, light weight, simple structure and low cost.

Description

Light sound absorption and insulation board
Technical Field
The invention relates to a sound insulation board, in particular to a sound insulation board for traffic equipment.
Background
Noise insulation and reduction are widely used in factories and transportation equipment, and a porous material with pores is usually added on a conventional plate so as to block the transmission of sound waves.
Chinese patent CN201820555889.3 provides an acoustic board, which includes a first glass magnesium board, a cork layer and a second glass magnesium board, wherein the thickness of the first glass magnesium board is 6mm, the thickness of the cork layer is 8mm, and the thickness of the second glass magnesium board is 8mm, so as to achieve high acoustic insulation. Chinese patent CN201721417303.9 proposes a sound insulation board, which comprises a first sound insulation board and a second sound insulation board, wherein at least 2 damping sound insulation boards are arranged between the first sound insulation board and the second sound insulation board, and sound insulation cotton is arranged between adjacent damping sound insulation boards to improve the sound insulation of the sound insulation door board structure. Chinese patent CN201721627456.6 discloses a composite sound-insulating board, which comprises an inner sound-insulating board, sound-absorbing boards compounded on both sides of the inner sound-insulating board, outer sound-insulating boards compounded on the outer sides of the two sound-absorbing boards, and steel plates compounded on the outer sides of the outer sound-insulating boards, wherein the inner sound-insulating board and the outer sound-insulating boards are both punched steel plates, and the sound-absorbing boards are made of glass wool. Chinese patent CN201721228639 proposes a sound absorption and insulation board, which adopts a sound absorption part, a sound insulation part and a middle baffle to achieve a stronger sound insulation effect. The above structure requires the sound insulation board to have a high weight to achieve sound insulation.
In order to realize light sound insulation, Chinese patent CN201820719005.3 discloses a light composite board, which comprises a honeycomb aluminum plate, a sound-absorbing cotton layer, a steel wire mesh layer, a polyvinyl chloride foam plate, a phenolic aldehyde heat-insulating fireproof plate and the like, and Chinese patent CN201611058641.8 provides a composite sound-absorbing and sound-insulating board, which comprises a fireproof layer, a sound-absorbing layer and a sound-insulating layer, wherein the sound-insulating layer consists of a first honeycomb sandwich layer, air and a second honeycomb sandwich layer, and the total sound insulation performance of the board is effectively improved. The above structure requires the sound-insulating panel to have a relatively thick thickness to achieve sound insulation.
However, for traffic equipment, not only the sound insulation amount is required to be high, but also the weight and thickness of the sound insulation board are generally required. Chinese patent CN201811305204.0 discloses a sound absorption and insulation board for ships, which comprises a face plate and a back plate, and is characterized in that a rock wool layer, a glass wool layer and a sound absorption film are sequentially compounded between the face plate and the back plate, and the sound insulation amount can reach more than 30 dB. Chinese patent CN201410255518.X adopts sound-proof and heat-insulation cotton and a phonon crystal material layer added between a skin and an inner liner plate to realize the sound-proof wall plate of the airplane, and utilizes the characteristic that a phonon crystal which is a special functional material or structure has low transmission and high reflection to elastic waves, so that the limitation of space weight is overcome, and the integral sound-proof effect of the partition plate of the airplane is also improved. The structure has the defects of complex structure and high cost.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a novel light sound absorption and insulation board.
In order to achieve the purpose, the invention adopts the technical scheme that:
a light sound absorption and insulation board is characterized by comprising an outer sound absorption layer, an outer sound insulation layer, an air layer, an inner sound insulation layer and an inner sound insulation layer, wherein the outer sound absorption layer and the outer sound insulation layer are adhered by glue, the outer sound insulation layer and the inner sound insulation layer are fixed by a stud or a bracket, and the inner sound insulation layer are adhered by glue.
Further, the outer sound absorption layer and the inner sound absorption layer are both made of foamed aluminum and are equal in thickness and larger than or equal to 5 mm.
Furthermore, the outer sound insulation layer and the inner sound insulation layer are both galvanized steel plates, and the thickness of the outer sound insulation layer is larger than or equal to that of the inner sound insulation layer and is larger than or equal to 0.5 mm.
Further, the thickness of an air layer between the outer sound insulation layer and the inner sound insulation layer is more than or equal to 20 mm.
Further, the outer side of the outer sound absorption layer can be added with an outer panel, the outer panel can be a plate made of materials such as aluminum, steel or wood, and the connection mode of the outer panel and the plate is glue.
Further, the inner side of the inner sound absorption layer can be added with an inner panel, the inner panel can be a plate made of materials such as aluminum, steel or wood, and the connection mode of the inner panel and the inner panel is glue.
Further, the outer side of the outer sound absorption layer or the inner side of the inner sound absorption layer may be coated with a layer of paint or coating, such as fire retardant paint, waterproof paint, sound insulation damping paint, or the like.
The light sound absorption and insulation board provided by the invention has the advantages that the sound absorption layers are additionally arranged on the two sides of the inner sound insulation layer and the outer sound insulation layer which sandwich the air layer, so that the light sound insulation quantity is realized, the rigidity and the pressure resistance of the sound insulation board are improved by fixing the inner sound insulation layer and the outer sound insulation layer through the studs or the supports, and the light sound absorption and insulation board has the remarkable advantages of high sound insulation quantity, light weight, simple structure and low cost.
Drawings
Fig. 1 is a schematic structural view of a lightweight sound absorption and insulation board of the present invention.
FIG. 2 is a schematic diagram of a test scenario.
Fig. 3 shows the results of the sound insulation amount obtained by the test.
Detailed description and examples
To further illustrate the effects of the present invention, a detailed description will be given with reference to an embodiment.
A light sound absorption and insulation board test piece is 1.8m in length, 1.2m in width, 40mm in total thickness and 38kg in total weight and comprises an outer sound absorption layer, an outer sound insulation layer, an air layer, an inner sound insulation layer and an inner sound insulation layer, wherein the outer sound absorption layer and the outer sound insulation layer are pasted through silica gel, the outer sound insulation layer and the inner sound insulation layer are fixed through studs, the studs are uniformly distributed, the interval is 0.6m, a gasket is arranged between the studs and the sound insulation layer, the inner sound insulation layer and the inner sound insulation layer are pasted through the silica gel, and the structure of the test piece is shown in attached drawing 1.
Further, the outer sound absorption layer and the inner sound absorption layer are both foamed aluminum, and the surface density of the outer sound absorption layer and the inner sound absorption layer is 0.3kg/m2The thickness was 8mm, and the sound absorption coefficient was 0.21 at 100Hz, 0.93 at 400Hz, and 0.47 at 2000 Hz.
Furthermore, the outer sound insulation layer and the inner sound insulation layer are both galvanized steel plates, and the surface density of the galvanized steel plates is 7.9kg/m2The thickness of the outer sound insulation layer is 1mm, and the thickness of the inner sound insulation layer is 0.5 mm.
Further, the thickness of the air layer between the outer sound insulation layer and the inner sound insulation layer is 22 mm.
Part 3 of the acoustic insulation measurements according to national standard GBT 19889.3-2005 acoustic building and building components: laboratory measurement of air sound insulation of building components, test of sound insulation amount, and a test scene is schematically shown in figure 2, wherein the volume of a sound source chamber is 123m3The volume of the receiving chamber is 114m3The noise pressure and the signal sound pressure are obtained by averaging 7 microphones in the sound source chamber and the receiving chamber, and the weighted sound insulation quantity calculated according to national standard of national standard GBT50121-2005 building sound insulation evaluation is 35.3dB according to the sound insulation quantity result obtained by the test in the attached figure 3.
The embodiment can realize higher sound insulation under the condition of lighter weight and smaller thickness, and illustrates the feasibility of the light sound absorption and insulation board provided by the invention.

Claims (7)

1. A light sound absorption and insulation board is characterized by comprising an outer sound absorption layer, an outer sound insulation layer, an air layer, an inner sound insulation layer and an inner sound insulation layer, wherein the outer sound absorption layer and the outer sound insulation layer are adhered by glue, the outer sound insulation layer and the inner sound insulation layer are fixed by a stud or a bracket, and the inner sound insulation layer are adhered by glue.
2. The lightweight sound absorption and insulation panel as recited in claim 1, wherein the outer and inner sound absorption layers are both foamed aluminum and have equal thickness of 5mm or more.
3. The light-weight sound absorption and insulation board according to claim 1, wherein the outer sound insulation layer and the inner sound insulation layer are both galvanized steel sheets, and the thickness of the outer sound insulation layer is greater than or equal to that of the inner sound insulation layer and is greater than or equal to 0.5 mm.
4. The lightweight sound absorption and insulation panel according to claim 1, wherein the thickness of the air layer between the outer sound insulation layer and the inner sound insulation layer is 20mm or more.
5. The light sound-absorbing and sound-insulating board as claimed in claim 1, wherein an outer panel is added to the outer side of the outer sound-absorbing layer, the outer panel is made of aluminum, steel or wood, and the outer panel is connected with the outer panel by glue.
6. The light sound-absorbing and sound-insulating board as claimed in claim 1, wherein an inner panel is added to the inner side of the inner sound-absorbing layer, the inner panel can be made of aluminum, steel or wood, and the connection between the inner panel and the inner panel is glue.
7. The lightweight sound-absorbing and insulating panel as claimed in claim 1, wherein the outer side of the outer sound-absorbing layer or the inner side of the inner sound-absorbing layer may be coated with a layer of paint or coating, such as fire-retardant paint, waterproof paint, sound-insulating and damping paint, etc.
CN201911034042.6A 2019-10-28 2019-10-28 Light sound absorption and insulation board Pending CN112726860A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911034042.6A CN112726860A (en) 2019-10-28 2019-10-28 Light sound absorption and insulation board

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Application Number Priority Date Filing Date Title
CN201911034042.6A CN112726860A (en) 2019-10-28 2019-10-28 Light sound absorption and insulation board

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CN112726860A true CN112726860A (en) 2021-04-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115783116A (en) * 2022-12-09 2023-03-14 洛阳双瑞橡塑科技有限公司 Light sound-insulation fireproof wallboard

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0860761A (en) * 1994-08-24 1996-03-05 Matsushita Electric Works Ltd Sound insulating panel
CN201092807Y (en) * 2007-06-19 2008-07-30 董祥义 Thermal insulation noise insulation triple glass window sash
CN101400515A (en) * 2006-02-14 2009-04-01 皮尔金顿汽车有限公司 Glazing
CN202483018U (en) * 2012-03-28 2012-10-10 广东电网公司电力科学研究院 Composite sound absorption and insulation structure
CN203008158U (en) * 2012-08-20 2013-06-19 大唐吴江燃机热电有限责任公司 Color-plate factory wall structure with lining noise-reduction plate
CN106671506A (en) * 2016-12-20 2017-05-17 西安交通大学 Noise-reducing protective structure and preparation method thereof
CN106782482A (en) * 2016-11-21 2017-05-31 武汉理工大学 Compound Felt
CN207144256U (en) * 2017-08-23 2018-03-27 新疆远麟阳光幕墙装饰工程有限公司 Sound-insulating and heat-insulating double-layered glass facade
CN207846718U (en) * 2017-12-08 2018-09-11 佳达环保工程有限公司 A kind of series assembled sound absorption composite fire-proof board wall module board
CN208792179U (en) * 2018-08-10 2019-04-26 南京博洪环保科技有限公司 A kind of architectural engineering sound arrester

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0860761A (en) * 1994-08-24 1996-03-05 Matsushita Electric Works Ltd Sound insulating panel
CN101400515A (en) * 2006-02-14 2009-04-01 皮尔金顿汽车有限公司 Glazing
CN201092807Y (en) * 2007-06-19 2008-07-30 董祥义 Thermal insulation noise insulation triple glass window sash
CN202483018U (en) * 2012-03-28 2012-10-10 广东电网公司电力科学研究院 Composite sound absorption and insulation structure
CN203008158U (en) * 2012-08-20 2013-06-19 大唐吴江燃机热电有限责任公司 Color-plate factory wall structure with lining noise-reduction plate
CN106782482A (en) * 2016-11-21 2017-05-31 武汉理工大学 Compound Felt
CN106671506A (en) * 2016-12-20 2017-05-17 西安交通大学 Noise-reducing protective structure and preparation method thereof
CN207144256U (en) * 2017-08-23 2018-03-27 新疆远麟阳光幕墙装饰工程有限公司 Sound-insulating and heat-insulating double-layered glass facade
CN207846718U (en) * 2017-12-08 2018-09-11 佳达环保工程有限公司 A kind of series assembled sound absorption composite fire-proof board wall module board
CN208792179U (en) * 2018-08-10 2019-04-26 南京博洪环保科技有限公司 A kind of architectural engineering sound arrester

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115783116A (en) * 2022-12-09 2023-03-14 洛阳双瑞橡塑科技有限公司 Light sound-insulation fireproof wallboard

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