CN202451012U - Air exhaust silencing shutters - Google Patents
Air exhaust silencing shutters Download PDFInfo
- Publication number
- CN202451012U CN202451012U CN2011205452172U CN201120545217U CN202451012U CN 202451012 U CN202451012 U CN 202451012U CN 2011205452172 U CN2011205452172 U CN 2011205452172U CN 201120545217 U CN201120545217 U CN 201120545217U CN 202451012 U CN202451012 U CN 202451012U
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Abstract
The utility model provides air exhaust silencing shutters which comprise an installing frame and blades. The plurality of blades are parallel and fixedly arranged in the installing frame vertically at intervals, a ventilation channel is defined between every two adjacent blades. The air exhaust silencing shutters are characterized in that each blade comprises a flow guiding panel and a sound absorbing panel. The sound absorbing panels are punching mesh plates, and the flow guiding panels and the sound absorbing panels are all arc panels. The flow guiding panels and the sound absorbing panels are connected to form the blades with fusiform cross sections. Each flow guiding panel and each sound absorbing panel are connected to define an interlayer. A silencing material is filled in each interlayer, the blades are arranged in double-layer mode, and two blades with the fusiform cross sections arranged parallelly in transverse direction are connected end to end and arranged in a shape of a Chinese character 'ren'. The flow guiding panels of the two parallel blades connected end to end transversely are connected to form a semi-circular arc face, and a concave rotational flow chamber is defined between the two sound absorbing panels.
Description
Technical field
The utility model relates to a kind of ventilation window, is meant a kind of air draft sound-deadening louver especially.
Background technology
Building for commercial use and industrial premises all need be considered the air mass flow of big flow; These air are used for cooling and supply with air compressor machine or motor; And be used for ventilation and air conditioning system, in many ventilation systems, equipment also sends intense noise when producing air-flow; The problem that designer and engineer face is to allow circulation of air, prevents that again noise is to outdoor propagation simultaneously.It is very important evaluation criterion that particularly lower pressure drop requires to require with effective noise control.To consider also that simultaneously the architect will require economy, attractive in appearance, practical.Therefore air draft noise elimination shutter arises at the historic moment owing to it.
Air draft noise elimination shutter is louvered sound absorber or noise elimination blinds again, is a kind of permission air communication mistake, can eliminate the window formula structure of noise.As shown in Figure 1, be a kind of sound-deadening louver comparatively commonly used, can rainproof water on the blade; Effective absorption of noise under the blade, blade is a sandwich-type, is filled with deadener between interlayer; Downside is provided with micropore; When flow air was passed through the ventilation stack between two adjacent blades, the quieter material that sound wave can be filled in the interlayer of blade absorbed, thereby reached the effect of noise reduction.
The acoustic attenuation performance of louvered sound absorber depends mainly on the factors such as form, blade pitgh, setting angle and effective noise elimination length of single blade.Yet, above-mentioned this traditional noise elimination shutter, its single blade structure is single, and the downside that absorbs sound wave is narrower, and when air velocity was very fast, blade can't absorb sound wave fully.It more than is existing air draft noise elimination shutter existing deficiency on its structure in the specific implementation.
The utility model content
The utility model provides a kind of air draft sound-deadening louver; Its technical problem underlying to be solved is: traditional sound-deadening louver; Its blade construction is single, the air through said noise reduction blade window can not be comprehensively with blade on have a silencing function a side contact, therefore; The sound wave that air transmitted of circulation also can't be by comprehensive absorption, thereby causes the poor effect of noise reduction.It more than is the utility model technical problem underlying to be solved.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is: the utility model provides a kind of air draft sound-deadening louver, and it comprises installing frame and blade; Wherein, some said blades are parallel to each other, equidistant stationary arrangement up and down centers on a ventilation stack between the adjacent said blade in said installing frame; It is characterized in that: said blade comprises guide face plate, sound absorption panel, and said sound absorption panel is the punching web plate, and said water conservancy diversion panel and sound absorption panel are curved panel; Said water conservancy diversion panel is connected to form the blade that cross section is a fusiformis with the sound absorption panel; Said water conservancy diversion panel is connected around constituting an interlayer with the sound absorption panel, be filled with deadener in this interlayer, and said blade becomes bilayer setting; The blade that horizontal two cross sections side by side are fusiformis connects from beginning to end; And be the circular array setting, two laterally end to end side by side its water conservancy diversion panels of blade connect and compose semicircular cambered surface, center on the spin chamber of a spill between two said sound absorption panels.
Be preferable over: said installing frame adopts the iron plate of 2.0 specifications, and said installing frame is the casing that is complementary with ventilation opening.
Be preferable over: said water conservancy diversion panel is the iron plate of 1.0 specifications.
Be preferable over: said sound absorption panel is the zinc-plated punching web plate of 1.0 specifications.
Be preferable over: said deadener is that the fiber noise reduction of 100K is cotton.
Compared with prior art; The beneficial effect that the utility model produced is: a kind of air draft sound-deadening louver that the utility model provides; It makes that by the said water conservancy diversion panel of semicircle camber the performance of ventilating of said ventilation stack is stronger in the specific implementation, the spill spin chamber that surrounds into by the sound absorption panel; Make the air that circulates get into said spin chamber and fully contact with said sound absorption panel, thus can be greatly with the noise wave absorption.
Description of drawings
Fig. 1 is the cross-sectional schematic of prior art.
Fig. 2 is a kind of preferred embodiment cross-sectional schematic of the utility model.
The specific embodiment
Below will combine accompanying drawing 2 and preferred embodiment that a kind of air draft sound-deadening louver that the utility model proposed is done more detailed explanation.
As shown in Figure 1; The utility model provides a kind of air draft sound-deadening louver, and it comprises installing frame 10 and blade 20, wherein; Some said blades 20 are parallel to each other, equidistant stationary arrangement up and down is in said installing frame 10; Center on a ventilation stack 30 between the adjacent said blade 20, it is characterized in that: said blade 20 comprises water conservancy diversion panel 21, sound absorption panel 22, and said sound absorption panel 22 is the punching web plate; Said water conservancy diversion panel 21 and sound absorption panel 22 are curved panel; Said water conservancy diversion panel 21 is connected to form the blade 20 that cross section is a fusiformis with sound absorption panel 22, and said water conservancy diversion panel 21 is connected around constituting an interlayer with sound absorption panel 22, is filled with deadener 23 in this interlayer; And said blade 20 is horizontal double-deck the setting; Blade 20 head and the tail that horizontal two cross sections side by side are fusiformis connect; And be circular array; Two laterally end to end side by side blade 20 its water conservancy diversion panels 21 connect and compose semicircular cambered surface, center on the spin chamber of a spill between two said sound absorption panels 22.
The utility model in the specific implementation; Said water conservancy diversion panel 21 by semicircular arc makes that the performance of ventilating of said ventilation stack 30 is stronger; By the spill spin chamber that surrounds into of sound absorption panel 22; Make the air of circulation get into said spin chamber and fully contact with said sound absorption panel 22, thus can be greatly with noise wave absorption that air transmitted.
Preferred embodiment: the iron plate that said installing frame 10 adopts 2.0 specifications, said installing frame 10 is the casing that is complementary with ventilation opening.
Preferred embodiment: said water conservancy diversion panel 21 is the iron plate of 1.0 specifications.
Preferred embodiment: said sound absorption panel 22 is the zinc-plated punching web plate of 1.0 specifications.
Preferred embodiment: the fiber noise reduction that said deadener 23 is 100K is cotton.
Comprehensive the above; The technical scheme of the utility model can fully effectively be accomplished above-mentioned utility model purpose; And the structural principle and the principle of work and power of the utility model all verified in an embodiment fully, and can reach the effect and the purpose of expection, and the embodiment of the utility model also can carry out conversion according to these principles; Therefore, the utility model comprise all in claim, mention in the scope all the replacement contents.Any equivalence of in the utility model claim, being done changes, and all belongs within the claim of this case application.
Claims (5)
1. air draft sound-deadening louver, it comprises installing frame and blade, wherein; Some said blades are parallel to each other, equidistant stationary arrangement up and down centers on a ventilation stack between the adjacent said blade in said installing frame, and it is characterized in that: said blade comprises guide face plate, sound absorption panel; Said sound absorption panel is the punching web plate; Said water conservancy diversion panel and sound absorption panel are curved panel, and said water conservancy diversion panel is connected to form the blade that cross section is a fusiformis with the sound absorption panel, and said water conservancy diversion panel is connected around constituting an interlayer with the sound absorption panel; Be filled with deadener in this interlayer; And said blade becomes double-deck and is provided with, and the blade that horizontal two cross sections side by side are fusiformis connects from beginning to end, and is the circular array setting; Two laterally end to end side by side its water conservancy diversion panels of blade connect and compose semicircular cambered surface, center on the spin chamber of a spill between two said sound absorption panels.
2. a kind of air draft sound-deadening louver as claimed in claim 1, it is characterized in that: said installing frame adopts the iron plate of 2.0 specifications, and said installing frame is the casing that is complementary with ventilation opening.
3. a kind of air draft sound-deadening louver as claimed in claim 1 is characterized in that: said water conservancy diversion panel is the iron plate of 1.0 specifications.
4. a kind of air draft sound-deadening louver as claimed in claim 1 is characterized in that: said sound absorption panel is the zinc-plated punching web plate of 1.0 specifications.
5. a kind of air draft sound-deadening louver as claimed in claim 1 is characterized in that: said deadener is that the fiber noise reduction of 100K is cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205452172U CN202451012U (en) | 2011-12-23 | 2011-12-23 | Air exhaust silencing shutters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205452172U CN202451012U (en) | 2011-12-23 | 2011-12-23 | Air exhaust silencing shutters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202451012U true CN202451012U (en) | 2012-09-26 |
Family
ID=46866882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205452172U Expired - Lifetime CN202451012U (en) | 2011-12-23 | 2011-12-23 | Air exhaust silencing shutters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202451012U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265138A (en) * | 2014-08-05 | 2015-01-07 | 中国北车集团大连机车车辆有限公司 | Ventilation louver of railway locomotive |
| CN107356129A (en) * | 2017-07-28 | 2017-11-17 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of denoising device of mechanical-draft cooling tower |
| CN107717276A (en) * | 2017-11-08 | 2018-02-23 | 浙江凯晨工贸有限公司 | One kind is welded from dedusting platform |
-
2011
- 2011-12-23 CN CN2011205452172U patent/CN202451012U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265138A (en) * | 2014-08-05 | 2015-01-07 | 中国北车集团大连机车车辆有限公司 | Ventilation louver of railway locomotive |
| CN104265138B (en) * | 2014-08-05 | 2016-01-20 | 中国北车集团大连机车车辆有限公司 | railway locomotive ventilation shutter |
| CN107356129A (en) * | 2017-07-28 | 2017-11-17 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of denoising device of mechanical-draft cooling tower |
| CN107717276A (en) * | 2017-11-08 | 2018-02-23 | 浙江凯晨工贸有限公司 | One kind is welded from dedusting platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |
|
| CX01 | Expiry of patent term |