CN101949568A - Maze type broadband sound-proof ventilator - Google Patents
Maze type broadband sound-proof ventilator Download PDFInfo
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- CN101949568A CN101949568A CN 201010512387 CN201010512387A CN101949568A CN 101949568 A CN101949568 A CN 101949568A CN 201010512387 CN201010512387 CN 201010512387 CN 201010512387 A CN201010512387 A CN 201010512387A CN 101949568 A CN101949568 A CN 101949568A
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Abstract
The invention discloses a maze type broadband sound-proof ventilator. The ventilator comprises a shell, an air inlet, an air outlet, a fan, sound insulation boards and resonance sound-proof bodies, wherein the air inlet and the air outlet are separately arranged on the top end and tail end of the shell; the fan is arranged at the air inlet; the sound insulation boards have the cantilever beam structure and are arranged in the shell alternately and parallelly; and the resonance sound-proof bodies have the cantilever beam structure and are arranged between the sound insulation boards. When outdoor air enters the ventilator, the air firstly flows in an air duct which is near the outdoor side of the maze type air duct and enters the room through the sound insulation boards and the sound-proof bodies, the noises of the air flow and the fan can be completely eliminated; the use of the maze type air duct amounts to increase the layers of glass and the air layers, thus increasing the heat preservation and sound insulation performances of the ventilator; and the main body of the ventilator is made of glass fibre reinforced plastic, thus increasing the heat preservation and sound insulation effects of the ventilator.
Description
Technical field
What the present invention relates to is a kind of residential housing window sound insulation silencer, in particular a kind of labyrinth type wideband sound insulation noise elimination ventilator.
Background technology
The filter-type natural ventilator of some building materials enterprise productions at present utilizes framework ventilation structure and indoor-outdoor air pressure reduction, realizes the convection current of inner air and outer air naturally.But its scope of application is more limited.In the not good zone of the original ventilation condition of building, can not use; Secondly do not consider sound insulation and the problem of eliminating the noise, outside noise directly by in the ventilator inlet chamber, makes it not be suitable for the relatively poor living environment of acoustic environment.
Through the prior art literature search is found, Wu Jianchun and Ge Cao Yan (ventilated and soundproof window sound insulation property test analysis [J]. science and technology is built in Shanghai, 2008,3:65-66) using wider ventilated and soundproof window product at the area, Shanghai tests, the result shows that ventilation is not properly settled with this contradiction of sound insulation in the product, and the sound insulation property difference is bigger when window closed state and ventilation state.
Shen, Shanghai China acoustic equipment Co., Ltd researches and develops a kind of full daylighting sound insulation vent window.It is to utilize stile as ventilating duct, makes the forms scantling bigger than normal, influences the attractive in appearance of effective daylighting area of forms and elevation of building.This ventilated and soundproof window is not suitable for the transformation and the lifting of existing dwelling house forms performance as a kind of whole window setting technique.
One adopts aluminum alloy material existing on the market ventilator.The heat insulating ability and the sound insulation property of aluminum alloy material self have limitation, have limited with its insulation and sound insulation property for the ventilator integral body of main frame material.The making material of ventilator need be selected than aluminium alloy material more suitably.
Summary of the invention
Goal of the invention: the objective of the invention is to overcome the deficiencies in the prior art, a kind of labyrinth type wideband sound insulation noise elimination ventilator is provided, realization need not directly be windowed and can be carried out the device of room ventilation ventilation.
Technical scheme: the present invention is achieved by the following technical solutions, the present invention includes housing, air inlet, air outlet, blower fan, sound panel and resonant silencing body, wherein: air inlet and air outlet are located at the top and the end of housing respectively, blower fan is located at the air inlet place, sound panel is cantilever beam structures and replaces parallel being located in the housing mutually that the resonant silencing body is cantilever beam structures and is located between the sound panel.
Described sound panel position is near outdoor, and the position of resonant silencing body is near indoor.
The turning of described sound panel and air inlet place are provided with deflector.
Described deflector is an arc, and angle is 60～90 °.
Described blower fan is provided with filter screen, and described air outlet is a louvered.
Described housing is that fiberglass is made, and thickness is 15mm～25mm.
Sound panel and the spacing between the housing described and the housing arest neighbors are 10mm.
Be provided with glass fabric between described sound panel and the housing.
Described sound panel is a microperforated panel, and described microperforated panel is an aluminium alloy plate, thickness of slab 0.75mm, and aperture 0.8mm, punching rate is 1%～3%.
Described resonant silencing body comprises perforated plate and sound-absorbing material, and sound-absorbing material is filled in the ship shape skeleton of perforated plate composition, and ship type skeleton maximum ga(u)ge is 40mm.Perforated plate is an aluminium alloy plate, thickness of slab 0.75mm, aperture 3mm, punching rate 8～10%.
When the present invention worked, fan operation formed negative pressure at the air inlet place, and outdoor fresh air enters sound insulation noise elimination ventilator through air inlet, eliminates the noise after air outlet is blown into indoor.Fan delivery can be adjusted as required, on the blower fan in conjunction with filter screen, the air outlet place is designed to moving louver casing, can adjust the air port effective area, even close air outlet, inside, air channel is separated to form the labyrinth type air channel by sound panel and resonant silencing body, reduces effectively that acoustically-driven causes hull vibration and the secondary noise pollution that produces.
Beneficial effect: when outdoor air enters ventilator, at first in the close air channel of outside, labyrinth type air channel, flow, in ability inlet chamber behind sound panel and the resonant silencing body, more abundant to the noise digestion of air-flow and blower fan; The labyrinth type ventilating duct is equivalent to increase the glass number of plies and air space number, improves the insulation and the sound insulation property of ventilator; The ventilator main body adopts fiberglass, strengthens the heat insulating and sound insulating effect of ventilator.The resonant silencing body is in conjunction with sound-absorbing material and utilized the resonant silencing principle, at wideband noise, improves sound deadening capacity.The resonant silencing Mechanical Builds can improve the aerodynamic quality of internal gas flow, reduces windage and air loss; The double screen pack (dedusting mosquito proof) of doing of microperforated panel near the outside placement; The air-tightness that helps forms.It can consolidate the heat-insulating property of forms, reduces building energy consumption, alleviates noise pollution, satisfies the requirement of indoor fresh air quality simultaneously.For making construction window have good sound insulation property, do not influence its ventilation, daylighting effect again, design can conveniently place the sound insulation ventilator of forms top or bottom.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the partial schematic diagram of resonant silencing body of the present invention.
The specific embodiment
Below embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises housing 1, air inlet 2, air outlet 3, blower fan 4, sound panel 5 and resonant silencing body 6, wherein: air inlet 2 and air outlet 3 are located at the top and the end of housing 1 respectively, blower fan 4 is located at air inlet 2 places, sound panel 5 is for cantilever beam structures and replace parallel being located in the housing 1 mutually, and resonant silencing body 6 is cantilever beam structures and is located between the sound panel 5.
In the present embodiment, sound panel 5 has three, is microperforated panel, and wherein two inboard and 1 formation of housing that lay respectively at housing 1 highly are the cavity of 10mm, microperforated panel and the gluing glass fabric of cavity contact-making surface; Other one is cantilever beam structures, and an end links to each other the unsettled setting of the other end by baffle plate 7 with housing 1; Article three, sound panel 5 is parallel to each other, and sound panel 5 and resonant silencing body 6 form the labyrinth type air channel, and baffle plate 7 is closely knit baffle plate, and the labyrinth type air channel has been equivalent to increase the number of plies of housing 1 and the number of plies between air, and the performance of the insulation and the sound insulation of ventilator is provided.
Described sound panel 5 positions are near outdoor, and the position of resonant silencing body 6 can guarantee the maximum of noise is subdued near indoor.
The turning of described sound panel 5 and air inlet 2 places are provided with arc deflector 8, and angle is 60～90 °, are used for distinguished and admirable body channeling conduct, and arc deflector 8 is microperforated panels, and 1 of housing forms irregular cavity.
Described blower fan 4 is provided with filter screen 9, and filter screen 9 winged insect or pollutant to external world filters, and described air outlet 3 is a louvered, utilizes blower fan 4 control air quantity, and air outlet 3 can be adjusted effective area, even closes air outlet 3.
Described housing 1 is that fiberglass is made, and thickness is 10mm, by silica gel strip sealing damping, effectively reduces acoustically-driven and causes housing 1 vibration and the secondary noise pollution of generation between housing 1 and the blower fan 4.
Described sound panel 5 is microperforated panels, and described microperforated panel is an aluminium alloy plate, thickness of slab 0.75mm, and aperture 0.8mm, punching rate is 1%～3%.
As shown in Figure 2, described resonant silencing body 6 comprises perforated plate and sound-absorbing material 10, sound-absorbing material 10 is filled in the ship shape skeleton of perforated plate composition, utilize the principle of resonant silencing, at wideband noise, improve sound deadening capacity, resonant silencing body 6 structures can be improved the aerodynamic quality of internal gas flow, reduce windage and air loss.Ship type skeleton maximum ga(u)ge is 40mm, and perforated plate is an aluminium alloy plate, thickness of slab 0.75mm, aperture 3mm, punching rate 8～10%; Described sound-absorbing material 10 is that unit weight is the centrifugally glass-wool of 24～32kg/m3.
Shown in the arrow of Fig. 1, blower fan 4 operations form negative pressure at air inlet 2 places, and outdoor fresh air enters the noise elimination cavity through air inlet 2; When outdoor air enters ventilator, at first flow in the close air channel of outside, labyrinth type air channel, in ability inlet chamber after microperforated panel and the resonant silencing structure, more abundant to the noise digestion of air-flow and blower fan 4, noise elimination is after air outlet 3 is blown into indoor.
Claims (10)
1. labyrinth type wideband sound insulation noise elimination ventilator, comprise housing, air inlet and air outlet, it is characterized in that, also comprise blower fan, sound panel and resonant silencing body, wherein: air inlet and air outlet are located at the top and the end of housing respectively, blower fan is located at the air inlet place, and sound panel is cantilever beam structures and replaces parallel being located in the housing mutually that the resonant silencing body is cantilever beam structures and is located between the sound panel.
2. labyrinth type wideband sound insulation noise elimination ventilator according to claim 1 is characterized in that: described sound panel position is near outdoor, and the position of resonant silencing body is near indoor.
3. labyrinth type wideband sound insulation noise elimination ventilator according to claim 1, it is characterized in that: the turning of described sound panel and air inlet place are provided with deflector.
4. labyrinth type wideband sound insulation noise elimination ventilator according to claim 1, it is characterized in that: described deflector is an arc, angle is 60～90 °.
5. labyrinth type wideband sound insulation noise elimination ventilator according to claim 1, it is characterized in that: described blower fan is provided with filter screen, and described air outlet is a louvered.
6. labyrinth type wideband sound insulation noise elimination ventilator according to claim 1, it is characterized in that: described housing is that fiberglass is made, and thickness is 15mm～25mm.
7. labyrinth type wideband sound insulation noise elimination ventilator according to claim 1 is characterized in that: sound panel and the spacing between the housing described and the housing arest neighbors are 10mm.
8. labyrinth type wideband sound insulation noise elimination ventilator according to claim 7 is characterized in that: be provided with glass fabric between described sound panel and the housing.
9. labyrinth type wideband sound insulation noise elimination ventilator according to claim 1, it is characterized in that: described sound panel is a microperforated panel, described microperforated panel is an aluminium alloy plate, thickness of slab 0.75mm, aperture 0.8mm, punching rate is 1%～3%.
10. labyrinth type wideband sound insulation noise elimination ventilator according to claim 1, it is characterized in that: described resonant silencing body comprises perforated plate and sound-absorbing material, sound-absorbing material is filled in the ship shape skeleton of microperforated panel composition, ship type skeleton maximum ga(u)ge is 40mm, perforated plate is an aluminium alloy plate, thickness of slab 0.75mm, aperture 3mm, punching rate 8～10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010512387 CN101949568A (en) | 2010-10-19 | 2010-10-19 | Maze type broadband sound-proof ventilator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010512387 CN101949568A (en) | 2010-10-19 | 2010-10-19 | Maze type broadband sound-proof ventilator |
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| CN101949568A true CN101949568A (en) | 2011-01-19 |
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| CN 201010512387 Pending CN101949568A (en) | 2010-10-19 | 2010-10-19 | Maze type broadband sound-proof ventilator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102318459A (en) * | 2011-08-01 | 2012-01-11 | 华为技术有限公司 | Noise-reducing Device and Ventilation Noise-reducing System |
| CN102809207A (en) * | 2012-08-13 | 2012-12-05 | 苏州岸肯电子科技有限公司 | Silencing pipe of ventilation system |
| CN106382432A (en) * | 2016-11-22 | 2017-02-08 | 苏州大学 | Helmholtz resonant silencing unit based on maze structure and resonant silencer |
| CN108756682A (en) * | 2018-07-25 | 2018-11-06 | 浙江舜杰建筑集团股份有限公司 | A kind of building doors and windows mounting structure |
| CN109505808A (en) * | 2018-12-25 | 2019-03-22 | 广东美的白色家电技术创新中心有限公司 | Fans silencer and fan noise elimination system |
| FR3074568A1 (en) * | 2017-12-05 | 2019-06-07 | Astato | VENTILATION BOX OF AN UPPER CHICANE |
| CN112177982A (en) * | 2019-07-01 | 2021-01-05 | 青岛经济技术开发区海尔热水器有限公司 | Noise reduction air duct and gas water heater |
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| CN2064874U (en) * | 1990-05-31 | 1990-10-31 | 成都市噪声控制设备厂 | Ventilation air conditioning muffler |
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| US5728979A (en) * | 1993-04-05 | 1998-03-17 | Air Handling Engineering Ltd. | Air handling structure for fan inlet and outlet |
| CN2316357Y (en) * | 1997-12-10 | 1999-04-28 | 北京市劳动保护科学研究所 | Composite micro-holey diaphragm sound absorption structure of holey lining board |
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| CN101614103A (en) * | 2009-06-19 | 2009-12-30 | 李民 | A kind of secondary muffler for natural ventilation of door and window |
| CN201866878U (en) * | 2010-10-19 | 2011-06-15 | 东南大学 | Labyrinth type broadband sound insulation and elimination ventilator |
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2010
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE2854266A1 (en) * | 1978-12-14 | 1980-06-26 | Benno Schoettler | SOUND INSULATION FOR VENTILATION SYSTEMS |
| CN2064874U (en) * | 1990-05-31 | 1990-10-31 | 成都市噪声控制设备厂 | Ventilation air conditioning muffler |
| US5728979A (en) * | 1993-04-05 | 1998-03-17 | Air Handling Engineering Ltd. | Air handling structure for fan inlet and outlet |
| CN2221742Y (en) * | 1994-05-27 | 1996-03-06 | 山东建筑工程学院 | Pipe-wide band muffler |
| CN2316357Y (en) * | 1997-12-10 | 1999-04-28 | 北京市劳动保护科学研究所 | Composite micro-holey diaphragm sound absorption structure of holey lining board |
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| BE1017050A3 (en) * | 2005-06-23 | 2007-12-04 | Alusta Natuurlijke Ventilatietechniek B V | SOUND-DAMPING AND VENTILATING WALL transit. |
| CN201099927Y (en) * | 2007-09-30 | 2008-08-13 | 四川正升环保科技有限公司 | Aerating and sound-deadening wall |
| CN101614103A (en) * | 2009-06-19 | 2009-12-30 | 李民 | A kind of secondary muffler for natural ventilation of door and window |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102318459A (en) * | 2011-08-01 | 2012-01-11 | 华为技术有限公司 | Noise-reducing Device and Ventilation Noise-reducing System |
| WO2012083698A1 (en) * | 2011-08-01 | 2012-06-28 | 华为技术有限公司 | Ventilation denoising device and ventilation denoising system |
| US9402333B2 (en) | 2011-08-01 | 2016-07-26 | Huawei Technologies Co., Ltd. | Ventilation denoising device and ventilation denoising system |
| CN102809207A (en) * | 2012-08-13 | 2012-12-05 | 苏州岸肯电子科技有限公司 | Silencing pipe of ventilation system |
| CN106382432A (en) * | 2016-11-22 | 2017-02-08 | 苏州大学 | Helmholtz resonant silencing unit based on maze structure and resonant silencer |
| FR3074568A1 (en) * | 2017-12-05 | 2019-06-07 | Astato | VENTILATION BOX OF AN UPPER CHICANE |
| CN108756682A (en) * | 2018-07-25 | 2018-11-06 | 浙江舜杰建筑集团股份有限公司 | A kind of building doors and windows mounting structure |
| CN109505808A (en) * | 2018-12-25 | 2019-03-22 | 广东美的白色家电技术创新中心有限公司 | Fans silencer and fan noise elimination system |
| CN109505808B (en) * | 2018-12-25 | 2024-02-20 | 广东美的白色家电技术创新中心有限公司 | Fan silencer and fan silencing system |
| CN112177982A (en) * | 2019-07-01 | 2021-01-05 | 青岛经济技术开发区海尔热水器有限公司 | Noise reduction air duct and gas water heater |
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Open date: 20110119 |