CN201866878U - Labyrinth type broadband sound insulation and elimination ventilator - Google Patents
Labyrinth type broadband sound insulation and elimination ventilator Download PDFInfo
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- CN201866878U CN201866878U CN2010205676554U CN201020567655U CN201866878U CN 201866878 U CN201866878 U CN 201866878U CN 2010205676554 U CN2010205676554 U CN 2010205676554U CN 201020567655 U CN201020567655 U CN 201020567655U CN 201866878 U CN201866878 U CN 201866878U
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- sound insulation
- labyrinth type
- sound
- ventilator
- noise elimination
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Abstract
The utility model discloses a labyrinth type broadband sound insulation and elimination ventilator, which includes a casing, a wind outlet, a wind inlet, a fan, sound insulation plates and resonant sound elimination bodies, wherein the wind inlet and the wind outlet are arranged at the top end and the tail end of the casing respectively; the fan is arranged at the wind inlet; the sound insulation plates have cantilever beam structures and are alternately arranged in parallel in the casing; and the resonant sound elimination bodies have cantilever beam structures and are arranged among the sound insulation plates. When outdoor air enters the ventilator, the outdoor air firstly flows in an air flue of a labyrinth type air flue, which is close to the outdoor side, and then gets into a room after passing through the sound insulation plates and the resonant sound elimination bodies, so that the airflow and the fan noise can be eliminated very completely; the labyrinth type air flue means that glass layers and air space layers are increased, so that the heat preservation and the sound insulation performances of the ventilator are improved; and the main body of the ventilator is made of glass fiber reinforced plastic, so that the heat preservation and the sound insulation effects of the ventilator are improved.
Description
Technical field
The utility model relates to 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.
Existing on the market ventilator generally adopts aluminum alloy material.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.
The utility model content
The utility model purpose: the purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of labyrinth type wideband sound insulation noise elimination ventilator is provided, and realization need not directly be windowed and can be carried out the device of room ventilation ventilation.
Technical scheme: the utility model is achieved through the following technical solutions, the utility model comprises 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 shape 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%.
During the utility model work, fan operation forms 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 utility model;
Fig. 2 is the partial schematic diagram of resonant silencing body of the present utility model.
The specific embodiment
Below embodiment of the present utility model is elaborated; present embodiment is being to implement under the prerequisite with technical solutions of the utility model; provided detailed embodiment and concrete operating process, but protection domain of the present utility model 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 shape 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 24～32kg/m
3Centrifugally glass-wool.
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 shape 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 |
|---|---|---|---|
| CN2010205676554U CN201866878U (en) | 2010-10-19 | 2010-10-19 | Labyrinth type broadband sound insulation and elimination ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205676554U CN201866878U (en) | 2010-10-19 | 2010-10-19 | Labyrinth type broadband sound insulation and elimination ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201866878U true CN201866878U (en) | 2011-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205676554U Expired - Fee Related CN201866878U (en) | 2010-10-19 | 2010-10-19 | Labyrinth type broadband sound insulation and elimination ventilator |
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| CN (1) | CN201866878U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949568A (en) * | 2010-10-19 | 2011-01-19 | 东南大学 | Maze type broadband sound-proof ventilator |
| CN106410621A (en) * | 2016-09-30 | 2017-02-15 | 江苏耐维思通科技股份有限公司 | Shore power connection protection box body for ship |
| CN107204180A (en) * | 2017-06-15 | 2017-09-26 | 山西尚风科技股份有限公司 | A kind of body of revolution ventilation sound arrester |
-
2010
- 2010-10-19 CN CN2010205676554U patent/CN201866878U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949568A (en) * | 2010-10-19 | 2011-01-19 | 东南大学 | Maze type broadband sound-proof ventilator |
| CN106410621A (en) * | 2016-09-30 | 2017-02-15 | 江苏耐维思通科技股份有限公司 | Shore power connection protection box body for ship |
| CN107204180A (en) * | 2017-06-15 | 2017-09-26 | 山西尚风科技股份有限公司 | A kind of body of revolution ventilation sound arrester |
| CN107204180B (en) * | 2017-06-15 | 2023-06-27 | 尚风科技股份有限公司 | Rotary forming ventilation and sound insulation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20131019 |