CN103075088B - Natural lighting ventilation noise-reduction window capable of at least reducing 15dB within the noise range of 125Hz to 8000Hz - Google Patents
Natural lighting ventilation noise-reduction window capable of at least reducing 15dB within the noise range of 125Hz to 8000Hz Download PDFInfo
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- CN103075088B CN103075088B CN201310049644.5A CN201310049644A CN103075088B CN 103075088 B CN103075088 B CN 103075088B CN 201310049644 A CN201310049644 A CN 201310049644A CN 103075088 B CN103075088 B CN 103075088B
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Abstract
A natural lighting ventilation noise-reduction window capable of at least reducing 15dB within the noise range of 125Hz to 8000Hz belongs to the technical field of building doors and windows. In order to solving the noise problem in ventilation and lighting, the ventilation effect and the noise reduction effect are enabled to be best compromised. Indoor ventilation ports and outdoor ventilation ports are alternately arranged, and the area of each indoor ventilation port is identical to that of each outdoor ventilation port; the width of each indoor ventilation port and the width of each outdoor ventilation port are respectively W-2*(30 to 40)mm, the height RSO of each indoor ventilation port and the height SSO of each outdoor ventilation port are respectively (0.2 to 0.3)*H, a distance TWW between two window frames is 40 to 290mm, and a central line which is vertical to the indoor ventilation ports is arranged right above or right below and parallel to a central line which is vertical to the outdoor ventilation ports; a distance TSL between the indoor ventilation ports and the outdoor ventilation ports is 0.4H to 0.6H; wherein the W indicates the width of the window and is less than or equal to 2000mm; and the H indicates the height of a window (1) and is less than or equal to 2000mm. Due to the adoption of the window, the noise can be effectively lowered in lighting and ventilation.
Description
Technical field
The present invention relates to a kind of natural lighting ventilation noise-reducing window, belong to building doors and windows technical field.
Background technology
The architectural exterior-protecting construction of design green is normal relevant to acoustic problems.Such as, the window of bilayer or compound glass is for energy-conservation all favourable with noise reduction.From another angle, encourage to adopt natural ventilation to be one of important topic of green building, but unlimited window often can cause noise problem.Although provide some noise-reducing windows in prior art, as publication date be on August 4th, 2010, publication number be the patent application of CN101793122A provide a kind of can natural ventilation and regulate the noise-reducing window of natural lighting, but the relation do not provided between concrete noise reduction technology means, the parameters affecting noise reduction and parameters, does not also provide the noise reduction that specifically can reach.
Summary of the invention
The object of this invention is to provide a kind of natural lighting ventilation noise-reducing window that at least can reduce 15dB in 125 ~ 8000Hz noise range, cause noise problem during to coordinate ventilation and lighting and ventilation, make ventilation effect and noise reduction reach optimal compromise.
The present invention solves the problems of the technologies described above the technical scheme taked to be:
A kind of natural lighting ventilation noise-reducing window that at least can reduce 15dB in 125 ~ 8000Hz noise range, described noise-reducing window comprises the two door frame windows be arranged in parallel, the window being wherein positioned at indoor is provided with room ventilation mouth, the window being positioned at outside is provided with outdoor ventilation mouth, described room ventilation mouth and outdoor ventilation mouth are crisscross arranged, the ventilation conduit that formation one is tortuous between two door frame windows; The thickness being positioned at the window glass of indoor is 4 ~ 6mm, and the thickness being positioned at the window glass of outside is 4 ~ 6mm; Room ventilation mouth is identical with the size of outdoor ventilation mouth; The width of room ventilation mouth and outdoor ventilation mouth is W-2 × (30 ~ 40) mm, the height RSO of room ventilation mouth, the height SSO of outdoor ventilation mouth are (0.2 ~ 0.30) × H, distance TWW between two door frame windows is 40 ~ 290mm, perpendicular to directly over the center line that the center line of room ventilation mouth is positioned at perpendicular to outdoor ventilation mouth (3) or immediately below and both are parallel; Distance TSL between room ventilation mouth and outdoor ventilation mouth is 0.4H ~ 0.6H; In formula, W represents the width of window and W≤2000mm, and unit is mm; H represents the height of window and H≤2000mm, and unit is mm.
The present invention has following beneficial effect:
Technical solutions according to the invention effectively can reduce noise in daylighting and when ventilating.By arranging the ventilation opening be staggered on two glazing units, the ventilation conduit that formation one is tortuous between two glazing units, when the ventilation opening that being staggered in opeing the window is arranged ventilates, namely when outdoor and indoor air exchanges, be that vector-borne noise is propagated at shaped form ventilation conduit with air, due to the prolongation of ventilating path and the conversion of path direction, the noise that (or indoor) imports indoor (or outdoor) into must be slackened outdoor like this.By limiting the geometric parameter of room ventilation mouth and outdoor ventilation mouth, the ventilation of natural lighting ventilation noise-reducing window, daylighting and noise reduction is made to reach optimal compromise.The present invention efficiently solves the ventilation of existing window can cause noise often, and the problem drawn badly when closing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of the invention one.Fig. 2 is the structural representation of the specific embodiment of the invention two.Fig. 3 is the structural representation of the specific embodiment of the invention three.Fig. 4 is the structural representation of the specific embodiment of the invention four.Fig. 5 is the A direction view of Fig. 1.Fig. 6 is indoor and outdoor sound pressure level difference comparison diagram in four kinds of window systems and windowless situation.Number in the figure 9 represents body of wall.
Detailed description of the invention
Detailed description of the invention one: as shown in Fig. 1 ~ 5, the natural lighting ventilation noise-reducing window that at least can reduce 15dB in 125 ~ 8000Hz noise range described in present embodiment, comprise the two door frame windows 1 be arranged in parallel, the window being wherein positioned at indoor is provided with room ventilation mouth 2, the window being positioned at outside is provided with outdoor ventilation mouth 3, described room ventilation mouth 2 and outdoor ventilation mouth 3 are crisscross arranged, the ventilation conduit 4 that formation one is tortuous between two door frame windows 1; The thickness t1 being positioned at the window glass of indoor is 4 ~ 6mm, and the thickness t2 being positioned at the window glass of outside is 4 ~ 6mm; Room ventilation mouth 2 is identical with the size of outdoor ventilation mouth 3; The width of room ventilation mouth 2 and outdoor ventilation mouth 3 is W-2 × (30 ~ 40) mm, the height RSO of room ventilation mouth 2, the height SSO of outdoor ventilation mouth 3 are (0.2 ~ 0.30) × H, distance TWW between two door frame windows 1 is 40 ~ 290mm, perpendicular to directly over the center line that the center line of room ventilation mouth 2 is positioned at perpendicular to outdoor ventilation mouth 3 or immediately below and both are parallel; Distance TSL between room ventilation mouth 2 and outdoor ventilation mouth 3 is 0.4H ~ 0.6H; In formula, W represents the width of window 1 and W≤2000mm, and unit is mm; H represents the height of window 1 and H≤2000mm, and unit is mm.
Detailed description of the invention two: as shown in Figure 2, is provided with transparent microperforated panel/film 5 in the ventilation conduit 4 of present embodiment between two door frame windows 1; Described transparent microperforated panel/film 5 is near window glass and be arranged in parallel with window glass.
Other composition and annexation identical with detailed description of the invention one.
Detailed description of the invention three: as shown in Figure 3, present embodiment arranges noise elimination louvre blade 6 in described ventilation conduit 4.Other composition and annexation identical with detailed description of the invention one.
Detailed description of the invention four: as shown in Figure 4, present embodiment respectively arranges a sound proof housing 7 in the both sides of the two door frame windows 1 forming described ventilation conduit 4, and interior ventilation opening 2, outdoor ventilation mouth 3 are corresponding with the sound proof housing 7 of corresponding side respectively to be arranged; A tortuous noise elimination bend 8 is formed between the sound proof housing 7 of two door frame windows 1 and two door frame window 1 both sides.Other composition and annexation and detailed description of the invention one, two or three identical.
Detailed description of the invention five: in present embodiment, the distance TWW between two door frame windows 1 is 40 ~ 100mm.Other composition and annexation identical with detailed description of the invention one.
The present invention can be used for new building, also can be used for reconstruction building, namely on the basis keeping original window, adds extra glassy layer; form vent passages; because additional window system can be transparent, therefore do not change the form of original window, be particularly useful for old building remodeling and protection.Above window system can utilize multiple material to make, and comprises timber, steel, aluminium and plastic-steel etc., and can be used for all kinds of building, comprises residential building, office building and industrial construction etc.
In order to test the noise reduction of natural lighting noise-reducing window of the present invention, do following experiment:
The noise reduction of noise-reducing window (window system) in Experimental comparison's 4 kinds of situations.
Testing window hole height H is 1270mm, and wide W is 850mm, and every side uses float glass, and thickness t1, t2 are respectively 4mm, and embedding glass is on rail of wood window frame.It is inner that window frame is embedded into wall body, and outside sealing compound seals, and avoids joining place at window frame and body of wall and occur that leakage sound is caused in through gap.The open height (SSO, RSO) of outside window and inner side is respectively 380mm, and width and window hole are with wide (W=850mm); Width (TWW) between two-layer window is respectively 40mm, 145mm, 290mm, 100mm; Two-layer window uses the area (AG) of float glass to be 1.3m altogether
2(see table 1).
Table 1 is each several part yardstick in window system in filling sucting sound material situation not
| SSO(mm) | RSO(mm) | TWW(mm) | t1(mm) | t2(mm) | AG(m 2) | |
| C001a | 380 | 380 | 40 | 4.0 | 4.0 | 1.3 |
| C002a | 380 | 380 | 145 | 4.0 | 4.0 | 1.3 |
| C004a | 380 | 380 | 290 | 4.0 | 4.0 | 1.3 |
| C005a | 380 | 380 | 100 | 4.0 | 4.0 | 1.3 |
This experiment for test target, weighs the noise reduction of window system with indoor and outdoor sound pressure level difference.Window system position under construction, height and indoor and outdoor situation in Reality simulation situation during test.Window hole position in residential building one deck bedroom that window system in this test is arranged on simulation, outdoor overlooking, hard ground surface.Dodecahedral loudspeaker is placed as sound source in outdoor side, is placed on the position at the window hole 6m place apart from test; At window hole, outdoor window side evenly arranges that 5 microphones are as acceptance point outward, test third-octave each point sound pressure level average; Indoor are evenly arranged 5 microphones as acceptance point, test third-octave each point sound pressure level average.
Experimental result as shown in Figure 6, in 4 kinds of situations, from 125-8000Hz indoor and outdoor sound pressure level difference average all at more than 15dB, reaches the noise abatement of above-mentioned reduction 15dB.
Claims (5)
1. one kind at least can be reduced the natural lighting ventilation noise-reducing window of 15dB in 125 ~ 8000Hz noise range, described noise-reducing window comprises the two door frame windows (1) be arranged in parallel, the window being wherein positioned at indoor is provided with room ventilation mouth (2), the window being positioned at outside is provided with outdoor ventilation mouth (3), described room ventilation mouth (2) and outdoor ventilation mouth (3) are crisscross arranged, the ventilation conduit (4) that formation one is tortuous between two door frame windows (1); It is characterized in that: the thickness being positioned at the window glass of indoor is 4 ~ 6mm, the thickness being positioned at the window glass of outside is 4 ~ 6mm; Room ventilation mouth (2) is identical with the size of outdoor ventilation mouth (3); The width of room ventilation mouth (2) and outdoor ventilation mouth (3) is W-2 × (30 ~ 40) mm, the height RSO of room ventilation mouth (2), the height SSO of outdoor ventilation mouth (3) are 0.30 × H, distance TWW between two door frame windows (1) is 40 ~ 290 ㎜, perpendicular to directly over the center line that the center line of room ventilation mouth (2) is positioned at perpendicular to outdoor ventilation mouth (3) or immediately below and both are parallel; Distance TSL between room ventilation mouth (2) and outdoor ventilation mouth (3) is 0.4H ~ 0.6H; In formula, W represents the width of window (1) and 850mm≤W≤2000mm, and unit is mm; H represents the height of window (1) and 1270mm≤H≤2000mm, and unit is mm.
2. natural lighting ventilation noise-reducing window according to claim 1, is characterized in that: be provided with transparent microperforated panel/film (5) in the ventilation conduit (4) between two door frame windows (1); The close window glass of described transparent microperforated panel/film (5) also be arranged in parallel with window glass.
3. natural lighting ventilation noise-reducing window according to claim 1, is characterized in that: in described ventilation conduit (4), arrange noise elimination louvre blade (6).
4. the natural lighting ventilation noise-reducing window according to claim 1,2 or 3, it is characterized in that: respectively arrange a sound proof housing (7) in the both sides of the two door frame windows (1) forming described ventilation conduit (4), interior ventilation opening (2), outdoor ventilation mouth (3) are corresponding with the sound proof housing (7) of corresponding side respectively to be arranged; A tortuous noise elimination bend (8) is formed between the sound proof housing (7) of two door frame windows (1) and two door frame window (1) both sides.
5. natural lighting ventilation noise-reducing window according to claim 1, is characterized in that: the distance TWW between two door frame windows (1) is 40 ~ 100 ㎜.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310049644.5A CN103075088B (en) | 2013-02-07 | 2013-02-07 | Natural lighting ventilation noise-reduction window capable of at least reducing 15dB within the noise range of 125Hz to 8000Hz |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310049644.5A CN103075088B (en) | 2013-02-07 | 2013-02-07 | Natural lighting ventilation noise-reduction window capable of at least reducing 15dB within the noise range of 125Hz to 8000Hz |
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| Publication Number | Publication Date |
|---|---|
| CN103075088A CN103075088A (en) | 2013-05-01 |
| CN103075088B true CN103075088B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310049644.5A Active CN103075088B (en) | 2013-02-07 | 2013-02-07 | Natural lighting ventilation noise-reduction window capable of at least reducing 15dB within the noise range of 125Hz to 8000Hz |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112347594B (en) * | 2020-10-30 | 2024-08-23 | 南京大学 | Broadband noise reduction structure applied to natural ventilation sound insulation window and design method thereof |
| CN113103846B (en) * | 2021-05-12 | 2024-08-06 | 江苏省安全生产科学研究院 | Noise reduction car window design based on double-layer ventilation glass |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3801733A1 (en) * | 1988-01-21 | 1989-07-27 | Mantel Juval | Sound damper which is intended for doors and can be retrofitted |
| CN2411327Y (en) * | 2000-03-20 | 2000-12-20 | 北京市劳动保护科学研究所 | Sound insulation and ventilation window |
| CN201228511Y (en) * | 2008-07-11 | 2009-04-29 | 深圳市建筑科学研究院有限公司 | Natural draught muffler for bay window |
| CN101793122A (en) * | 2009-02-04 | 2010-08-04 | 康健 | De-noising window capable of naturally ventilating and adjusting natural lighting |
| CN102116126B (en) * | 2011-01-28 | 2012-08-15 | 四川正升声学科技有限公司 | Sound insulation ventilating window |
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