CN214740942U - Resistive noise reduction shutter with circuitous structure - Google Patents
Resistive noise reduction shutter with circuitous structure Download PDFInfo
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- CN214740942U CN214740942U CN202120340588.0U CN202120340588U CN214740942U CN 214740942 U CN214740942 U CN 214740942U CN 202120340588 U CN202120340588 U CN 202120340588U CN 214740942 U CN214740942 U CN 214740942U
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Abstract
The utility model relates to the technical field of shutter structures, in particular to a circuitous resistive noise reduction shutter, which comprises a shutter body and a noise reduction air duct component; through connect the wind channel subassembly of making an uproar of circuitous formula in the indoor direction of shutter body, form a sound-proof screen, make outdoor air current pass through the shutter body after, the wind channel subassembly of making an uproar turns to through the air outlet of air guide component of making an uproar of making a uproar, make the noise that the air current produced absorb a large amount of by the sound absorbing material layer, form hindering nature and fall the noise, the wind channel subassembly of making an uproar of making a uproar of flowing through turns to through the air outlet of air guide component, form the turbulent flow, make the air current have longer contact time with the sound absorbing material layer of air guide component inner wall, reach better noise reduction effect, through the improvement, make the volume of making an uproar mainly depend on the thickness of sound absorbing cotton in the wind channel and the length of wind channel itself, need not through the extension, the realization of thickening shutter plate, shutter windowing area has been reduced.
Description
Technical Field
The utility model relates to a shutter technical field, in particular to circuitous formula is hindering nature and is fallen shutter of making an uproar.
Background
The louver is widely applied to box-type products and industrial buildings to meet the requirements of ventilation and air exchange. Since the noise affects the normal work and rest of people, the control of environmental noise is written in the standards and laws and regulations of various countries, and the design of the louver window also focuses on the noise reduction effect more and more.
The existing noise reduction blind window mostly adopts a structural form of noise reduction of the louver blades, and has the defect that the effective air inlet rate (namely the value of the effective air inlet area divided by the total area of the louver) is low due to the fact that the louver blades are too thick after the sound absorbing cotton is attached inside, so that the blind window needs to use larger window occupying area on the premise of the same air inlet amount. In addition, the length of the louver blade directly determines the noise reduction effect, namely if the noise reduction is to be improved, the louver blade needs to be lengthened, so that the structure of the louver becomes too large and inconvenient to use.
In summary, the current shutter has problems that the effective air intake rate is low and the noise reduction amount depends on the length of the blades.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: how to solve the problem that the effective air intake rate is low and the noise reduction amount depends on the length of the blades in the existing shutter structure.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a circuitous resistive noise reduction shutter comprises a shutter body and a noise reduction air duct assembly;
the shutter body comprises an outer frame and shutter blades; the louver blades are connected in the outer frame in a straight line;
the noise reduction air channel assembly comprises an air guide assembly and a sound absorption material layer, an air inlet of the air guide assembly is connected to the outer frame, an included angle between the orientation of an air outlet of the air guide assembly and the orientation of the air inlet is 60-120 degrees, and the sound absorption material layer is arranged on the inner side of the air guide assembly, so that external air flows contact with the sound absorption material layer after passing through the outer frame, and the air flows are turned.
Further, a porous mesh plate is arranged on the inner side of the sound absorption material layer.
Further, the shape of frame is the rectangle, air guide component includes first connecting plate, second connecting plate, third connecting plate and deflector, first connecting plate, second connecting plate and third connecting plate end to end formation U-shaped, first connecting plate, second connecting plate, third connecting plate are connected respectively in the trilateral of frame, the shape of deflector is the rectangle, and trilateral of deflector is connected respectively in first connecting plate, second connecting plate and third connecting plate.
Furthermore, the front section of the second connecting plate is perpendicular to the air inlet direction, and the rear section of the second connecting plate inclines by 30-50 degrees towards the air outlet direction.
Furthermore, the louver blades comprise inclined folded edges and vertical folded edges, and the inclined folded edges and the vertical folded edges are sequentially arranged along the direction of the air inlet.
Furthermore, the included angle between the orientation of the air outlet and the orientation of the air outlet is 90 degrees.
Furthermore, the outer frame is connected with a hoisting rod for integral hoisting of the noise reduction shutter.
Furthermore, the air guide assembly is connected with the outer frame through bolts.
The beneficial effects of the utility model reside in that: the utility model provides an among the resistive nature of circuitous formula of falling shutter structure of falling, the wind channel subassembly of falling of making an uproar is connected through the indoor direction at the shutter body, form one sound-proof screen, make outdoor air current pass through behind the shutter body, the wind channel subassembly of falling an uproar turns to through the air outlet of wind guide component of falling of flowing through, the noise that makes the air current produce is absorbed in a large number by the sound absorbing material layer, it falls to form the resistive nature of falling an uproar, the wind channel subassembly of falling an uproar turns to through the air outlet of wind guide component of flowing through, form the turbulent flow, the sound absorbing material layer that makes the air current and wind guide component inner wall has longer contact time, reach better noise reduction, through the above-mentioned improvement, make the volume of falling an uproar mainly depend on the cotton thickness of absorbing in the wind channel and the length of wind channel itself, need not through lengthening, the thickening shutter plate is realized, shutter opening area has been reduced.
Drawings
Fig. 1 is a schematic structural view of a circuitous resistive noise reduction shutter according to an embodiment of the present invention;
FIG. 2 is a side view of a circuitous resistive noise reduction blind according to embodiments of the present invention;
FIG. 3 is a front view of a circuitous resistive noise reduction blind according to embodiments of the present invention;
FIG. 4 is a top view of a circuitous resistive noise reduction blind according to embodiments of the present invention;
description of reference numerals:
1. a shutter body; 11. an outer frame; 12. louver blades; 121. obliquely folding edges; 122. vertically folding edges; 2. a noise reduction duct assembly; 21. an air guide assembly; 211. an air inlet; 212. an air outlet; 213. a first connecting plate; 214. a second connecting plate; 215. a third connecting plate; 216. a guide plate; 22. a layer of sound absorbing material; 23. a porous mesh plate; 3. and (5) hoisting the rod.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 4, the present invention relates to a circuitous resistive noise reduction blind, which includes a blind body 1 and a noise reduction duct assembly 2;
the shutter body 1 comprises an outer frame 11 and shutter blades 12; the louver blades 12 are connected in the outer frame 11 in a straight line;
the noise reduction air duct assembly 2 comprises an air guide assembly 21 and a sound absorption material layer 22, an air inlet 211 of the air guide assembly 21 is connected to the outer frame 11, an included angle between the orientation of an air outlet 212 of the air guide assembly 21 and the orientation of the air inlet 211 is 60-120 degrees, the sound absorption material layer 22 is arranged on the inner side of the air guide assembly 21, external air flow is enabled to pass through the outer frame 11 and then contacts the sound absorption material layer 22, and the air flow is enabled to turn.
The sound absorbing material layer 22 may be sound absorbing cotton or other materials having a sound absorbing function.
The shape of the noise reduction air duct assembly 2 can be customized, and air ducts with different shapes are designated for different application occasions to maximize the noise reduction effect, so that the noise reduction air duct assembly has higher space adaptability.
In the structure of the roundabout resistive noise reduction louver, the roundabout noise reduction air duct component 2 is connected in the indoor direction of the louver body 1 to form a sound insulation screen, after outdoor air passes through the louver body 1, the air flowing through the noise reduction air duct component 2 turns through the air outlet 212 of the air guide component 21, noise generated by the air is greatly absorbed by the sound absorption material layer 22, resistive noise reduction is formed, the air flowing through the noise reduction air duct component 2 turns through the air outlet 212 of the air guide component 21 to form turbulent flow, so that the air and the sound absorption material layer 22 on the inner wall of the air guide component 21 have longer contact time, a better noise reduction effect is achieved, the noise reduction amount is mainly determined by the thickness of sound absorption cotton in the air duct and the length of the air duct, the louver 12 does not need to be lengthened or thickened, and the window opening area of the louver is reduced.
Referring to fig. 2, in the above-mentioned circuitous resistive noise reduction louver structure, a porous mesh plate 23 is disposed inside the sound-absorbing material layer 22.
According to the above description, the porous mesh plate 23 is arranged on the inner side of the sound absorption material layer 22, so that the efficiency of resistive noise reduction can be further improved, and a better airflow noise reduction effect can be achieved.
Referring to fig. 1, in the above-mentioned structure of the meandering resistive noise reduction louver, the outer frame 11 is rectangular, the air guiding assembly 21 includes a first connecting plate 213, a second connecting plate 214, a third connecting plate 215 and a guiding plate 216, the first connecting plate 213, the second connecting plate 214 and the third connecting plate 215 are connected end to form a U shape, the first connecting plate 213, the second connecting plate 214 and the third connecting plate 215 are respectively connected to three edges of the outer frame 11, the guiding plate 216 is rectangular, and the three edges of the guiding plate 216 are respectively connected to the first connecting plate 213, the second connecting plate 214 and the third connecting plate 215.
The structure is an optimal implementation mode, only a few interconnected plates are required to be connected with one another, the structure is simple, the processing is easy, and a good resistive noise reduction effect is achieved.
Referring to fig. 1 and 4, in the above-mentioned circuitous resistive noise reduction louver structure, a front section of the second connecting plate 214 is perpendicular to the direction of the air inlet 211, and a rear section of the second connecting plate 214 is inclined 30-50 degrees toward the direction of the air outlet 212.
As can be seen from the above description, the above design of the second connecting plate 214 can guide the airflow toward the air outlet 212, so that the airflow can better contact with the sound-absorbing material layer 22 to achieve more complete resistive noise reduction.
Referring to fig. 1, in the above-mentioned meandering resistive noise reduction louver structure, the louver 12 includes an inclined folding edge 121 and a vertical folding edge 122, and the inclined folding edge 121 and the vertical folding edge 122 are sequentially disposed along the air inlet 211.
As can be seen from the above description, the vertical flaps 122 are used to block rainwater from directly entering the louver, and the inclined flaps 121 also have a function of blocking rainwater and guide the rainwater driven into the louver back to the outside.
Further, in the above meandering resistive noise reduction louver structure, an included angle between the direction of the air outlet 212 and the direction of the air outlet 212 is 90 degrees.
Referring to fig. 1, in the above-mentioned circuitous resistive noise reduction louver structure, the outer frame 11 is connected to a hoisting rod 3 for hoisting the noise reduction louver integrally.
Further, in the above-mentioned circuitous resistive noise reduction louver structure, the air guide assembly 21 is connected to the outer frame 11 by bolts.
The structure facilitates the disassembly and assembly of the air guide assembly 21 and the outer frame 11.
Example 1
A circuitous resistive noise reduction shutter comprises a shutter body 1 and a noise reduction air duct assembly 2; the shutter body 1 comprises an outer frame 11 and shutter blades 12; the louver blades 12 are connected in the outer frame 11 in a straight line; the noise reduction air duct assembly 2 comprises an air guide assembly 21 and a sound absorption material layer 22, an air inlet 211 of the air guide assembly 21 is connected to the outer frame 11, the orientation of an air outlet 212 of the air guide assembly 21 and the orientation of the air inlet 211 form an included angle of 90 degrees, the air outlet 212 can face any one direction of the upper direction, the lower direction, the left direction and the right direction, the sound absorption material layer 22 is arranged on the inner side of the air guide assembly 21, external air flow is enabled to pass through the outer frame 11, then the external air flow contacts the sound absorption material layer 22, the air flow is enabled to turn, and the external air flow is discharged from the air outlet 212. The inner side of the sound absorption material layer 22 is provided with a porous mesh plate 23. The shape of the outer frame 11 is a rectangle, the air guide assembly 21 includes a first connecting plate 213, a second connecting plate 214, a third connecting plate 215 and a guide plate 216, the first connecting plate 213, the second connecting plate 214 and the third connecting plate 215 are connected end to form a U-shape, the first connecting plate 213, the second connecting plate 214 and the third connecting plate 215 are respectively connected to three sides of the outer frame 11, the guide plate 216 is a rectangle, and three sides of the guide plate 216 are respectively connected to the first connecting plate 213, the second connecting plate 214 and the third connecting plate 215. The front section of the second connecting plate 214 is perpendicular to the direction of the air inlet 211, and the rear section of the second connecting plate 214 is inclined by 30-50 degrees towards the direction of the air outlet 212. In the above-mentioned circuitous resistive noise reduction louver structure, the louver 12 includes an inclined folding edge 121 and a vertical folding edge 122, and the inclined folding edge 121 and the vertical folding edge 122 are sequentially arranged along the direction of the air inlet 211. The outer frame 11 is connected with a hoisting rod 3 for integral hoisting of the noise reduction shutter. The air guide assembly 21 is connected with the outer frame 11 through bolts.
To sum up, the utility model provides an among the resistive nature of circuitous formula falls shutter structure of making an uproar, the wind channel subassembly of making an uproar falls through the indoor direction connection circuitous formula at the shutter body, form one sound screen, make outdoor air current pass through behind the shutter body, the wind channel subassembly of making an uproar falls in the flowing through turns to through the air outlet of air guide component, the noise that makes the air current produce is absorbed by the sound absorbing material layer in a large number, it falls to form the resistive nature, the wind channel subassembly of making an uproar falls in the flowing through turns to through the air outlet of air guide component, form the turbulent flow, make the air current have longer contact time with the sound absorbing material layer of air guide component inner wall, reach better noise reduction, through the aforesaid improvement, make the volume of making an uproar fall mainly depend on the cotton thickness of sound absorption in the wind channel and the length of wind channel itself, need not through lengthening, the thickening shutter plate is realized, shutter windowing area has been reduced.
The porous screen plate is arranged on the inner side of the sound absorption material layer, so that the efficiency of resistive noise reduction can be further improved, and a better airflow noise reduction effect is achieved. The louver blades comprise inclined folded edges and vertical folded edges, and the inclined folded edges and the vertical folded edges are sequentially arranged along the direction of the air inlet. The vertical folded edge is used for blocking rainwater from directly entering the louver, the inclined folded edge also has the function of blocking the rainwater, and the squeezed rainwater is led back to the outside.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (8)
1. A circuitous resistive noise reduction shutter is characterized by comprising a shutter body and a noise reduction air duct assembly;
the shutter body comprises an outer frame and shutter blades; the louver blades are connected in the outer frame in a straight line;
the noise reduction air channel assembly comprises an air guide assembly and a sound absorption material layer, an air inlet of the air guide assembly is connected to the outer frame, an included angle between the orientation of an air outlet of the air guide assembly and the orientation of the air inlet is 60-120 degrees, and the sound absorption material layer is arranged on the inner side of the air guide assembly, so that external air flows contact with the sound absorption material layer after passing through the outer frame, and the air flows are turned.
2. The circuitous resistive noise reduction blind of claim 1, wherein the layer of sound absorbing material is provided with a perforated mesh sheet on an inner side thereof.
3. The circuitous resistive noise reduction shutter of claim 1, wherein the outer frame is rectangular in shape, the air guide assembly comprises a first connecting plate, a second connecting plate, a third connecting plate and a guide plate, the first connecting plate, the second connecting plate and the third connecting plate are connected end to form a U-shape, the first connecting plate, the second connecting plate and the third connecting plate are respectively connected to three edges of the outer frame, the guide plate is rectangular in shape, and three edges of the guide plate are respectively connected to the first connecting plate, the second connecting plate and the third connecting plate.
4. The circuitous resistive noise reduction louver of claim 3, wherein the front section of the second connecting plate is perpendicular to the air inlet direction, and the rear section of the second connecting plate is inclined 30-50 degrees towards the air outlet direction.
5. The circuitous resistive noise reduction louver of claim 1, wherein the louver blades include angled and vertical folds that are sequentially disposed along the air inlet direction.
6. The circuitous resistive noise reduction louver of claim 1, wherein the outlet is oriented at a 90 degree angle to the outlet.
7. The circuitous resistive noise reduction louver of claim 1, wherein the outer frame is connected with a lifting bar for integral lifting of the noise reduction louver.
8. The circuitous resistive noise reduction blind of claim 1, wherein the air deflection assembly is bolted to the outer frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120340588.0U CN214740942U (en) | 2021-02-05 | 2021-02-05 | Resistive noise reduction shutter with circuitous structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120340588.0U CN214740942U (en) | 2021-02-05 | 2021-02-05 | Resistive noise reduction shutter with circuitous structure |
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| CN214740942U true CN214740942U (en) | 2021-11-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761501A (en) * | 2021-02-05 | 2021-05-07 | 泰豪电源技术有限公司 | Resistive noise reduction shutter with circuitous structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761501A (en) * | 2021-02-05 | 2021-05-07 | 泰豪电源技术有限公司 | Resistive noise reduction shutter with circuitous structure |
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