CN101725313B - Porous sound absorption window - Google Patents

Porous sound absorption window Download PDF

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Publication number
CN101725313B
CN101725313B CN2009102598362A CN200910259836A CN101725313B CN 101725313 B CN101725313 B CN 101725313B CN 2009102598362 A CN2009102598362 A CN 2009102598362A CN 200910259836 A CN200910259836 A CN 200910259836A CN 101725313 B CN101725313 B CN 101725313B
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China
Prior art keywords
window
sound absorption
porous sound
sash
noise
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Expired - Fee Related
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CN2009102598362A
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Chinese (zh)
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CN101725313A (en
Inventor
李辉
李俊明
雷俊勇
连红奎
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Tsinghua University
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Tsinghua University
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Priority to CN2009102598362A priority Critical patent/CN101725313B/en
Publication of CN101725313A publication Critical patent/CN101725313A/en
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Publication of CN101725313B publication Critical patent/CN101725313B/en
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Abstract

The invention relates to a porous sound absorption window. The window is characterized by comprising a window outer frame and two noise reduction sashes, wherein the two noise reduction sashes are arranged on the inner side and the outer side of the window outer frame respectively; one border of each noise reduction sash is hinged with the window outer frame; the window reduction sash comprises two transparent antinoise lining substrates and a support damper pane; the support damper pane is positioned between the two antinoise lining substrates and plays a role in supporting and fixing the antinoise lining substrates; a plurality of antinoise holes are reserved on the antinoise lining substrate, which are through holes having two or more kinds of diameters; the antinoise holes with different diameters are distributed in a stagger way; and the support damper pane consists of a plurality of separated mesh grids. The porous sound absorption window is a novel environment-friendly porous sound absorption window capable of absorbing noise under wide frequency, not only can effectively reduce influence of outdoor noise on indoor environment, but also has excellent performance of heat preservation and isolation, ventilation and water tightness, can be widely applied to constructions which are in noisy environment and have wider noise frequency distribution and require noise control.

Description

A kind of porous sound absorption window
Technical field
The present invention relates to a kind of window structure, particularly about a kind of novel, environmental protection and can absorb the porous sound absorption window of the noise under the broadband very.
Background technology
Along with the progress of science and technology, industry and commerce is flourishing day by day, and people also improve day by day to the requirement of quality of the life.But the prosperity of industry and commerce makes noise follow, and the building covers higher and higher, the blast noise of forms also improves relatively, especially many typhoon regions, this proposes requirements at the higher level to forms, forms not only will keep air-conditioning requirement, and also needing to external world, noise and blast noise carry out good noise reduction effect.Traditional double window, the transmission that can completely cut off heat has certain effect for the temperature in the holding chamber, simultaneously also can sound insulation, but because the restriction of structure, the cleaning of its ventilation, glass and Wind-Pressure Resistance etc. all are restricted.And if will open forms carries out ventilation, under bad weather, in the easy inlet chamber such as dust, rainwater.
At present, general sound absorption window is divided into two big classes, and the sound absorption window that the first kind is made up of porous absorption material is relatively good to the acoustically effective of high mid-frequency noise, but poor to the acoustically effective of low frequency noise; The another kind of sound absorption window of being made up of the microperforated panel resonance sound-absorbing structure has good sound absorption characteristics near the frequency of resonance, away from resonance frequency, sound absorption characteristics are poor.Above-mentioned two kinds of traditional sound absorption windows, all absorption of noise completely if employing sound lining structure can effectively reduce noise, all has application in aviation and building utilization; The sound lining structure adopts the sound attenuation hole of single size or adopts the different sound attenuation hole of cutting on the same muffler plate mostly at present, and adopt single window structure substantially, because the bloop of single size can only carry out noise reduction to the noise of CF, noise for other frequencies does not then have noise reduction, and its effect is unsatisfactory.
Summary of the invention
At the problems referred to above, the purpose of this invention is to provide a kind of novel, environmental protection and can absorb the porous sound absorption window of the noise under the broadband very, not only can effectively reduce the influence of outdoor noise, and have good heat insulation property, air permeability and watertightness for indoor environment.
For achieving the above object, the present invention takes following technical scheme: a kind of porous sound absorption window, it is characterized in that: it comprises a forms housing and two window reduction sash, two described window reduction sash are installed in the inboard and the outside of described forms housing respectively, and a wherein frame and the described forms housing of described window reduction sash are hinged; Described window reduction sash comprises two-layer transparent noise elimination lining substrate and supporting baffle lattice, and described supporting baffle case plays the effect of supporting and fixing to described noise elimination lining substrate between two-layer described noise elimination lining substrate; Offer a plurality of sound attenuation holes on the described noise elimination lining substrate, described sound attenuation hole is through hole, and the diameter of described sound attenuation hole is two or more, and the described sound attenuation hole of different-diameter is interspersed; Described supporting baffle lattice are made up of a plurality of netted lattice of being separated by.
Described noise elimination lining substrate adopts the silicon particle board, and plate thickness is 0.1-20mm.
The diameter of described sound attenuation hole is 0.1-20mm, and perforated percentage is 0.1-50%, and described sound attenuation hole is circular, square or oval.
The material of described supporting baffle lattice is plastics, glass, plank, cardboard, aluminium sheet or steel plate.
Being shaped as of described netted lattice is square, circle or regular polygon, and the area of described netted lattice is 100-10 6Mm 2, thickness is 1-100mm.
In a side of described forms housing one transparent verge board is installed.
The described window reduction sash of described forms housing one side is replaced to the simple glass sash.
The present invention is owing to take above technical scheme, it has the following advantages: 1, the present invention adopts the double window body structure of being made up of a forms housing and two window reduction sash, and window reduction sash is combined by two-layer transparent noise elimination lining substrate and supporting baffle lattice, serve as a contrast the sound attenuation hole that wears a plurality of different apertures and be interspersed on the substrate in noise elimination simultaneously, can absorb the noise under the broadband very, reach good noise reduction.2, the present invention adopts double-deck window reduction sash, and every layer of window reduction sash comprises two-layer noise elimination lining substrate again, and therefore layer and the middle air layer that forms of layer have good thermal and insulating performance.3, sound attenuation hole of the present invention adopts through-hole structure, can carry out air and flow, and upgrades room air, need not out to realize natural ventilation, therefore has good performance of ventilating.4, the present invention adopts the double window body structure, effectively in the dust rainwater inlet chamber outside the isolating chamber, therefore has good watertightness.It is noisy that the present invention can be widely used in environment, and noise frequency is distributed more widely, needs the architectural of control noise.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the front view of window reduction sash of the present invention
Fig. 3 is the right view of Fig. 2
Fig. 4 is the structural representation of supporting baffle lattice of the present invention
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
As Fig. 1~shown in Figure 3, the present invention includes a forms housing 1 and two window reduction sash 2, two window reduction sash 2 are installed in the inboard and the outside of forms housing 1 respectively, and the wherein frame and the forms housing 1 of window reduction sash 2 are hinged, and two window reduction sash 2 can inwardly and outwards be opened respectively.Window reduction sash 2 comprises two-layer transparent noise elimination lining substrate 3 and supporting baffle lattice 4, and supporting baffle lattice 4 are between two-layer noise elimination lining substrate 3, and lining substrate 3 plays support and fixing effect to eliminating the noise.The lining substrate 3 of eliminating the noise can adopt the silicon particle board, and plate thickness is 0.1-20mm.Eliminating the noise offers a plurality of sound attenuation holes 5 on the lining substrate 3, and all sound attenuation holes 5 are through hole, and the diameter of sound attenuation hole 5 is two or more, and the sound attenuation hole 5 of different-diameter is interspersed, thereby the noise under the broadband is all had the noise elimination effect very much.
As shown in Figure 4, supporting baffle lattice 4 are made up of a plurality of netted lattice 6 of being separated by, and the shape of netted lattice 6 can be square, circle or regular polygon etc., and the area of netted lattice 6 is 100-10 6Mm 2, thickness is 1-100mm.The material of supporting baffle lattice 4 can adopt plastics, glass, plank, cardboard, aluminium sheet or steel plate etc.
In the foregoing description, the diameter of sound attenuation hole 5 is 0.1-20mm, and perforated percentage is 0.1-50%.Sound attenuation hole 5 can be multiple shapes such as circular, square or ellipse.
In the foregoing description, because forms housing 1 both sides all are the window reduction sash 2 of ventilating, therefore can a transparent verge board (not shown) be installed in a side of forms housing 1, verge board is closed when not needing to ventilate, can block the air-flow of outside, form air layer simultaneously and between the window reduction sash 2, play the effect of insulation.In indoor need the ventilation, can open verge board, the circulation of air in the holding chamber.
In the foregoing description, the window reduction sash 2 of forms housing 1 one sides can be replaced to the simple glass sash, then can install verge board this moment.When carrying out bigger ventilation if desired, just window reduction sash 2 and simple glass sash are all opened; If only need natural ventilation, just close window reduction sash 2, open the simple glass sash, when then can guarantee the broad band sound absorption noise reduction, can also guarantee a certain amount of ventilation effect.
The present invention only describes with the foregoing description; the structure of each parts, the position is set and connects and all can change to some extent; on the basis of technical solution of the present invention; all improvement and equivalents of individual component being carried out according to the principle of the invention all should not got rid of outside protection scope of the present invention.

Claims (13)

1. porous sound absorption window, it is characterized in that: it comprises a forms housing and two window reduction sash, two described window reduction sash are installed in the inboard and the outside of described forms housing respectively, and a wherein frame and the described forms housing of described window reduction sash are hinged; Described window reduction sash comprises two-layer transparent noise elimination lining substrate and supporting baffle lattice, and described supporting baffle case plays the effect of supporting and fixing to described noise elimination lining substrate between two-layer described noise elimination lining substrate; Offer a plurality of sound attenuation holes on the described noise elimination lining substrate, described sound attenuation hole is through hole, and the diameter of described sound attenuation hole is two or more, and the described sound attenuation hole of different-diameter is interspersed; Described supporting baffle lattice are made up of a plurality of netted lattice of being separated by.
2. a kind of porous sound absorption window as claimed in claim 1 is characterized in that: described noise elimination lining substrate adopts the silicon particle board, and plate thickness is 0.1-20mm.
3. a kind of porous sound absorption window as claimed in claim 1 is characterized in that: the diameter of described sound attenuation hole is 0.1-20mm, and perforated percentage is 0.1-50%, and described sound attenuation hole is circular, square or oval.
4. a kind of porous sound absorption window as claimed in claim 2 is characterized in that: the diameter of described sound attenuation hole is 0.1-20mm, and perforated percentage is 0.1-50%, and described sound attenuation hole is circular, square or oval.
5. as claim 1 or 2 or 3 or 4 described a kind of porous sound absorption windows, it is characterized in that: the material of described supporting baffle lattice is plastics, glass, plank, cardboard, aluminium sheet or steel plate.
6. as claim 1 or 2 or 3 or 4 described a kind of porous sound absorption windows, it is characterized in that: described netted lattice be shaped as circle or regular polygon, the area of described netted lattice is 100-10 6Mm 2, thickness is 1-100mm.
7. a kind of porous sound absorption window as claimed in claim 5 is characterized in that: described netted lattice be shaped as circle or regular polygon, the area of described netted lattice is 100-10 6Mm 2, thickness is 1-100mm.
8. as claim 1 or 2 or 3 or 4 or 7 described a kind of porous sound absorption windows, it is characterized in that: one transparent verge board is installed in a side of described forms housing.
9. a kind of porous sound absorption window as claimed in claim 5 is characterized in that: in a side of described forms housing one transparent verge board is installed.
10. a kind of porous sound absorption window as claimed in claim 6 is characterized in that: in a side of described forms housing one transparent verge board is installed.
11., it is characterized in that: the described window reduction sash of described forms housing one side is replaced to the simple glass sash as claim 1 or 2 or 3 or 4 or 7 described a kind of porous sound absorption windows.
12. a kind of porous sound absorption window as claimed in claim 5 is characterized in that: the described window reduction sash of described forms housing one side is replaced to the simple glass sash.
13. a kind of porous sound absorption window as claimed in claim 6 is characterized in that: the described window reduction sash of described forms housing one side is replaced to the simple glass sash.
CN2009102598362A 2009-12-15 2009-12-15 Porous sound absorption window Expired - Fee Related CN101725313B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009102598362A CN101725313B (en) 2009-12-15 2009-12-15 Porous sound absorption window

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009102598362A CN101725313B (en) 2009-12-15 2009-12-15 Porous sound absorption window

Publications (2)

Publication Number Publication Date
CN101725313A CN101725313A (en) 2010-06-09
CN101725313B true CN101725313B (en) 2011-08-10

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105587690A (en) * 2015-05-25 2016-05-18 中国船舶重工集团公司第七○二研究所 Microhole plate sound absorption grating
CN206163123U (en) * 2016-06-22 2017-05-10 潘路希 Combination microperforated panel and resonance sound absorbing structure
CN108625928B (en) * 2018-06-14 2020-02-04 东风小康汽车有限公司重庆分公司 Muffler and car
CN113738253A (en) * 2021-09-15 2021-12-03 业成科技(成都)有限公司 Noise reduction screen window

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Granted publication date: 20110810

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