CN108954643B - Airflow adjusting device for ventilation pipeline system - Google Patents
Airflow adjusting device for ventilation pipeline system Download PDFInfo
- Publication number
- CN108954643B CN108954643B CN201810692816.3A CN201810692816A CN108954643B CN 108954643 B CN108954643 B CN 108954643B CN 201810692816 A CN201810692816 A CN 201810692816A CN 108954643 B CN108954643 B CN 108954643B
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- blades
- blade
- pipeline
- flow guide
- diagonal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention relates to an airflow adjusting device for a ventilation pipeline system, which comprises a first pipeline (1), a second pipeline (2) and blades (3), wherein the first pipeline and the second pipeline are arranged vertically, a diagonal line (4) is arranged at a corner where the first pipeline and the second pipeline are connected, a row of a plurality of blades (3) are arranged along the diagonal line, the plurality of blades are positioned in the corner where the first pipeline and the second pipeline are connected, the row of the plurality of blades (3) is arranged vertically to the diagonal line, and the diagonal line and the horizontal line have an included angle a, and the airflow adjusting device is characterized in that: a row of a plurality of blades (3) is bilaterally symmetrical about the middle blade, different distances are reserved among the blades, the distance between the middle area is large, and the distance between the two side areas is small. Turbulence at corners can be reduced, and the flow of a middle area can be increased; the flow guide effect is good, the vortex at the downstream end of the blade is reduced, and the uniformity of airflow is improved.
Description
Technical Field
The invention relates to the field of ventilation systems, in particular to an airflow adjusting device for a ventilation pipeline system.
Background
The corner of a ventilation pipeline system usually adopts an airflow adjusting device, such as a guide vane, and the existing airflow adjusting device has the problems of airflow turbulence at the corner, small flow and vortex generation at the downstream end of the vane.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides an airflow adjusting device for a ventilation pipeline system, which can reduce the turbulence at the corners and increase the flow of the middle area; the flow guide effect is good, the vortex at the downstream end of the blade is reduced, and the uniformity of airflow is improved.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an air current adjusting device for air pipe system, it includes first pipeline (1), second pipeline (2), blade (3), first pipeline sets up with the second pipeline is perpendicular, the corner that they are connected has diagonal (4), be provided with a row of a plurality of blades (3) along the diagonal, a plurality of blades are located the corner that first pipeline is connected with the second pipeline in, a row of a plurality of blades (3) set up with the diagonal is perpendicular, the diagonal has contained angle a with the horizontal line, its characterized in that: a row of a plurality of blades (3) is bilaterally symmetrical about the middle blade, different distances are reserved among the blades, the distance between the middle area is large, and the distance between the two side areas is small.
The blades near the middle region have a spacing x, the blades near the end regions on both sides have a spacing z, the blades between the middle region and the end regions have a spacing y, and x > y > z.
The blades comprise blade bodies (5) and guide arc-shaped parts (6), and the guide arc-shaped parts are located at the downstream ends of the blade bodies.
The blade is provided with a first blade surface (8) and a second blade surface (9), and one side of the first blade surface of the blade body is provided with a plurality of strip-shaped flow guide grooves (7).
The diagonal line has an angle a =15-20 ° with the horizontal line and the blade has an angle b =15-20 ° with the vertical line.
The flow guide arc-shaped part and the strip-shaped flow guide groove are positioned on the same blade surface of the blade (3).
According to the airflow adjusting device for the ventilation pipeline system, turbulence at corners can be reduced through the blade arrangement structure, and the flow of a middle area is increased; through the structural design of the blades, a good flow guide effect can be achieved, the vortex at the downstream end of each blade is reduced, and the uniformity of airflow is improved.
Drawings
FIG. 1 is a schematic view of the structure of the air flow regulating device of the present invention;
FIG. 2 is a schematic view of a blade configuration according to the present invention;
FIG. 3 is a schematic view of a blade configuration according to the present invention;
FIG. 4 is a schematic cross-sectional view of a flow guide groove according to the present invention.
In the figure: the air guide structure comprises a first pipeline 1, a second pipeline 2, a vane 3, a diagonal line 4, a vane body 5, a guide arc-shaped part 6, a guide groove 7, a first vane surface 8, a second vane surface 9, f1 in a first flow direction, f2 in a second flow direction and f airflow.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
See figures 1-4: the air flow adjusting device comprises a first pipeline 1, a second pipeline 2, blades 3, a blade body 5, a flow guide arc-shaped part 6 and a flow guide groove 7.
The first pipe 1 is arranged perpendicular to the second pipe 2, the corner where the first pipe 1 and the second pipe 2 are connected has a diagonal 4, a row of a plurality of blades 3 is arranged along the diagonal 4, the plurality of blades 3 are positioned in the corner where the first pipe 1 and the second pipe 2 are connected, and the row of the plurality of blades 3 is arranged perpendicular to the diagonal 4.
The diagonal 4 makes an angle a =15-20 °, preferably 18 °, with the horizontal; the angle b =15-20 °, preferably 18 °, of the blade 3 to the vertical; the blades of the row of blades 3 have different distances between each blade, the distance between the middle area is large, the distance between the two side areas is small, the row of blades 3 is symmetrical left and right about the middle blade, the blade near the middle area has the distance x, the blade near the end areas on the two sides has the distance z, the blade between the middle area and the end areas has the distance y, x > y > z, and x =6R, y =5R, z =4R, and R is a proportionality coefficient. This vane arrangement can reduce turbulence at the corners and increase flow in the mid-zone.
The plurality of blades 3 comprise blade bodies 5 and guide arc-shaped parts 6, the guide arc-shaped parts 6 are positioned at the downstream ends of the blade bodies 5, and the guide arc-shaped parts 6 and the blade bodies 5 are integrally formed; blade 3 has first blade face 8, second blade face 9, and the one end of keeping away from blade body 5 of water conservancy diversion arc portion 6 is provided with the less circular arc transition portion of circular arc for water conservancy diversion arc portion body, and 8 one sides of first blade face of blade body 5 are provided with a plurality of rectangular shape water conservancy diversion recesses 7, and the upstream end of a plurality of rectangular shape water conservancy diversion recesses 7, low reaches end all have the slope section, and the cross sectional shape of water conservancy diversion recess 7 is isosceles trapezoid, and the long base is located first blade face 8. The structural design of the blade can play a good flow guiding effect, reduce the vortex at the downstream end of the blade and improve the uniformity of airflow.
According to the airflow adjusting device for the ventilation pipeline system, turbulence at corners can be reduced through the blade arrangement structure, and the flow of a middle area is increased; through the structural design of the blades, a good flow guide effect can be achieved, the vortex at the downstream end of each blade is reduced, and the uniformity of airflow is improved.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any configuration simply modified from the present invention falls within the scope of the present invention.
Claims (4)
1. The utility model provides an air current adjusting device for air pipe system, it includes first pipeline (1), second pipeline (2), blade (3), first pipeline sets up with the second pipeline is perpendicular, the corner that they are connected has diagonal (4), be provided with a row of a plurality of blades (3) along the diagonal, a plurality of blades are located the corner that first pipeline is connected with the second pipeline in, a row of a plurality of blades (3) set up with the diagonal is perpendicular, the diagonal has contained angle a with the horizontal line, its characterized in that: the row of the blades (3) are bilaterally symmetrical about the middle blade, different distances are reserved among the blades, the distance between the middle area is large, and the distances between the two side areas are small; the blades near the middle region have a spacing x, the blades near the end regions on both sides have a spacing z, the blades between the middle region and the end regions have a spacing y, and x > y > z; the plurality of blades comprise blade bodies (5) and flow guide arc-shaped parts (6), the flow guide arc-shaped parts are located at the downstream ends of the blade bodies, the blades are provided with first blade surfaces (8) and second blade surfaces (9), and a plurality of strip-shaped flow guide grooves (7) are formed in one sides of the first blade surfaces of the blade bodies.
2. An airflow adjustment device for a ventilation duct system according to claim 1, characterized in that: the diagonal line has an angle a =15-20 ° with the horizontal line and the blade has an angle b =15-20 ° with the vertical line.
3. An airflow adjustment device for a ventilation duct system according to claim 1, characterized in that: the flow guide arc-shaped part and the strip-shaped flow guide groove are positioned on the same blade surface of the blade (3).
4. An airflow adjustment device for a ventilation duct system according to claim 1, characterized in that: the upstream end and the downstream end of the strip-shaped flow guide grooves (7) are provided with inclined sections, the cross sections of the strip-shaped flow guide grooves are isosceles trapezoids, and the long bottoms of the isosceles trapezoids are positioned on the first blade surface (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810692816.3A CN108954643B (en) | 2018-06-29 | 2018-06-29 | Airflow adjusting device for ventilation pipeline system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810692816.3A CN108954643B (en) | 2018-06-29 | 2018-06-29 | Airflow adjusting device for ventilation pipeline system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108954643A CN108954643A (en) | 2018-12-07 |
| CN108954643B true CN108954643B (en) | 2020-06-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810692816.3A Active CN108954643B (en) | 2018-06-29 | 2018-06-29 | Airflow adjusting device for ventilation pipeline system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108954643B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057092A (en) * | 2019-03-26 | 2019-07-26 | 淮南市知产创新技术研究有限公司 | A kind of nesting coiled Total heat exchange core |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2184859Y (en) * | 1993-12-17 | 1994-12-07 | 中国五环化学工程公司 | Fume pipe bent mounted with flow guide and direction guide blade |
| JPH07214327A (en) * | 1994-01-25 | 1995-08-15 | Takenaka Komuten Co Ltd | Push pull type ventilator |
| CN1112995A (en) * | 1994-02-10 | 1995-12-06 | 川野通彦 | Elbow provided with guide vanes |
| CN105277333A (en) * | 2015-11-27 | 2016-01-27 | 中国航空工业集团公司哈尔滨空气动力研究所 | Fusion-type muffler corner apparatus |
| CN206094466U (en) * | 2016-09-12 | 2017-04-12 | 珠海格力电器股份有限公司 | Air outlet assembly and air conditioner with same |
-
2018
- 2018-06-29 CN CN201810692816.3A patent/CN108954643B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2184859Y (en) * | 1993-12-17 | 1994-12-07 | 中国五环化学工程公司 | Fume pipe bent mounted with flow guide and direction guide blade |
| JPH07214327A (en) * | 1994-01-25 | 1995-08-15 | Takenaka Komuten Co Ltd | Push pull type ventilator |
| CN1112995A (en) * | 1994-02-10 | 1995-12-06 | 川野通彦 | Elbow provided with guide vanes |
| CN105277333A (en) * | 2015-11-27 | 2016-01-27 | 中国航空工业集团公司哈尔滨空气动力研究所 | Fusion-type muffler corner apparatus |
| CN206094466U (en) * | 2016-09-12 | 2017-04-12 | 珠海格力电器股份有限公司 | Air outlet assembly and air conditioner with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108954643A (en) | 2018-12-07 |
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Effective date of registration: 20200521 Address after: No.101, unit 1, building 10, phase I, Jurong International Garden, No.8, Xinhua South Road, Xinyi City, Xuzhou City, Jiangsu Province Applicant after: Jiangsu Tongyuan Energy Saving Technology Co., Ltd Address before: 325608, Wenzhou, Zhejiang province Yueqing city town of light bridge outside the Village Lake Street, No. 7 Applicant before: Lin Xiang |
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Effective date of registration: 20210113 Address after: 221400 e-commerce Industrial Park, Xin'an street, Xinbei West Road, Xinyi City, Xuzhou City, Jiangsu Province Patentee after: Xinyi Xinnan Environmental Protection Industry Technology Research Institute Co., Ltd Address before: 221400 No. 101, unit 1, building 10, phase I, Jurong International Garden, No. 8, Xinhua South Road, Xinyi City, Xuzhou City, Jiangsu Province Patentee before: Jiangsu Tongyuan Energy Saving Technology Co.,Ltd. |