CN206234162U - Radiating vane structure and its radiator fan - Google Patents
Radiating vane structure and its radiator fan Download PDFInfo
- Publication number
- CN206234162U CN206234162U CN201621127409.0U CN201621127409U CN206234162U CN 206234162 U CN206234162 U CN 206234162U CN 201621127409 U CN201621127409 U CN 201621127409U CN 206234162 U CN206234162 U CN 206234162U
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- flabellum
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- main flabellum
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- 241000883990 Flabellum Species 0.000 claims abstract description 187
- 239000000463 material Substances 0.000 claims description 12
- 239000002905 metal composite material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 9
- 239000007787 solid Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 241001075561 Fioria Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a kind of radiating vane structure and its radiator fan, including a main flabellum and a secondary flabellum.The main flabellum has a root and one end, and the root connects a wheel hub, and the end radially extends towards the direction of the opposite wheel hub, has a body between the root and the end.Root direction of the secondary flabellum from the end towards the main flabellum extends to the body and constitutes a circular structure with the main flabellum, and the circular structure defines a runner between the main flabellum and the secondary flabellum.
Description
【Technical field】
The utility model is related to radiator fan field, espespecially radiating vane structure and with the radiating vane structure it is dissipate
Hot-air fan.
【Background technology】
As shown in figure 1, the end 111 of each flabellum 11 of known aerofoil fan 10 is because upper surface 112 and lower surface
113 pressure distribution is different, causes air-flow to be rolled toward the upper surface 112 of low pressure from the lower surface 113 of high pressure, is produced in end 111
The strong end vortex 12 of life, this end vortex 12 causes fan flow field unstable and increases noise and reduce fan duty.
Therefore end vortex during fan running how is reduced, and reduces running noise hoisting wind pressure and air quantity characteristic,
The target to be made great efforts improvement for the designer of this area.
【Utility model content】
Therefore, it is effectively to solve above-mentioned problem, the utility model purpose is providing a kind of each of axial cooling fan
The end of main flabellum is provided with a secondary flabellum and constitutes an annular solid with main flabellum to reduce what end when radiator fan is operated was vortexed
Radiating vane structure.
The utility model another object constitutes an annular solid to reduce by a secondary flabellum in offer one kind with a main flabellum
The radiating vane structure of noise, hoisting wind pressure and air quantity and increase structural strength.
The utility model another object provide it is a kind of increase flabellum surface action area, and then be substantially improved air quantity and
The radiating vane structure of blast.
The utility model another object just can be with the radiating vane of hoisting wind pressure in a kind of flabellum denseness that is increased without of offer
Structure.
The utility model another object is providing a kind of applying strength of diffusing air current to local location, reduces the product of deformation
Raw and flabellum vibration problem.
It is that, up to above-mentioned purpose, the utility model provides a kind of radiating vane structure, including：One main flabellum, with a root
And one end is respectively in the opposite end of the main flabellum, the root connects a wheel hub, and the end is towards the direction footpath of the opposite wheel hub
To extension, there is a body between the root and the end, the body has a upper surface and a lower surface respectively in phase
Anti- two sides；One secondary flabellum, extends to the body and is formed with the main flabellum from the end towards the root direction of the main flabellum
One circular structure, and define a runner between the main flabellum and the secondary flabellum.
The utility model provides a kind of radiator fan, including：One wheel hub；The main flabellum of plural number, is arranged on the outside of the wheel hub,
Each main flabellum, with a root and one end respectively in the opposite end of the main flabellum, the root connects the wheel hub, the end
Direction towards the opposite wheel hub radially extends, and has a body between the root and the end, and the body has a upper table
Face and a lower surface are respectively on opposite two sides；Plural pair flabellum, is respectively arranged on the end of each main flabellum, and from the end
The body being extended to towards the root direction of the main flabellum and forming a circular structure with the main flabellum, the circular structure defines one
Runner is between the main flabellum and the secondary flabellum.
Implement one, the circular structure is to close or open annular solid.
Implement one, the secondary flabellum extends to the upper surface or lower surface.
Implement one, the section of the circular structure is trapezoidal, square, shaped form, water-drop-shaped or semicircle any hollow
Shape.
Implement one, the main flabellum and the secondary flabellum be formed in one or indivedual independent components with riveted, fastening, bonding,
Lock, be soldered or welded or equivalent mode is combined.
Implement one, the main flabellum defines a radial development length, and the secondary flabellum defines a development length and is less than or equal to
Or more than the radial development length.
Implement one, the secondary flabellum includes that a Part I connects the end of the main flabellum, and a Part II from this
The a part of root direction towards the main flabellum extends, and a Part III prolongs from the Part II towards the body of the main flabellum
Stretch.
Implement one, the secondary flabellum includes that a Part I connects the end of the main flabellum, and a Part II from this
The a part of root direction towards the main flabellum inclines the body for extending to the main flabellum.
【Brief description of the drawings】
The purpose of following schema is the utility model is more easily understood, and those figures can be encyclopaedized in this article
Formula, and make some of its composition specific embodiment.Through specific embodiment herein and the corresponding schema of reference, in order to
The specific embodiment of the utility model is explained in detail, and is used to illustrate the action principle of utility model.
Fig. 1 is known technology schematic diagram：
Fig. 2 has the schematic perspective view of the radiator fan of radiating vane structure for the utility model；
Fig. 3 A are the schematic cross-section of the circular structure of radiating vane structure；
Fig. 3 B~3F implements schematic diagram for the section of the circular structure of radiating vane structure substitutes；
Fig. 3 G are the schematic diagram that secondary flabellum extends to lower surface；
Fig. 4 A~4B represents the schematic diagram that the circular structure is open annular solid；
Fig. 5 A and 5B are the main flabellum of the utility model and secondary flabellum is indivedual elements for independently separating and the schematic diagram for combining；
Fig. 6 A are the schematic diagram of the development length equal to the radial development length of main flabellum of secondary flabellum of the present utility model；
Fig. 6 B are the schematic diagram of the development length more than the radial development length of main flabellum of secondary flabellum of the present utility model.
Primary symbols explanation：
20 radiator fans
21 wheel hubs
22 main flabellums
221 roots
222 ends
223 bodies
2231 upper surfaces
2232 lower surfaces
23 secondary flabellums
231 first parts
232 Part II
233 Part III
24 runners
L1 radial development length
L2 development lengths.
【Specific embodiment】
The above-mentioned purpose and its structure of the utility model and characteristic functionally, will be according to the preferred embodiment of institute's accompanying drawings
It is explained.
Please join Fig. 2 has the schematic perspective view of the radiator fan of radiating vane structure for the utility model；Fig. 3 A are radiating
The schematic cross-section of the circular structure of blade structure；Fig. 3 B~3E is implemented for the section of the circular structure of radiating vane structure substitutes
Schematic diagram.As illustrated, radiator fan of the present utility model 20 includes a wheel hub 21 and plural main flabellum 22.The main flabellum 22 such as this
Along the setting that wraps around of wheel hub 21, each main flabellum 22 has a root 221 and one end 222, the root 221 and end
222 opposite ends for being separately positioned on the main flabellum 22, the wherein root 221 connect the wheel hub 21, and the end 222 is then towards opposite
The direction of the wheel hub 21 radially extends, and has a body 223 between the root 221 and the end 222, and the body 223 has
There are a upper surface 2231 and a lower surface 2232, its opposite two sides for being set in body 223 respectively.Each main flabellum 22 has
There is a secondary flabellum 23, root 221 direction of the secondary flabellum 23 from the end 222 of the main flabellum 22 towards the main flabellum 22 extends to this
Body 223 simultaneously forms a circular structure, and define a runner 24 in the main flabellum 22 and the secondary flabellum 23 with the main flabellum 22
Between.
Implement one, the annular solid that circular structure is closing, and the secondary flabellum are constituted by main flabellum 22 and secondary flabellum 23
23 upper surfaces 2231 that the main flabellum 22 is extended to from the end 222 of the main flabellum 22（As shown in Fig. 2 and Fig. 3 A to 3E）.Another
One substitutes implementation, and the secondary flabellum 23 extends to the lower surface 2232 of the main flabellum 11 from the end 222 of the main flabellum 22（Such as Fig. 3 G
It is shown）.Furthermore, the section for constituting circular structure by main flabellum 22 and secondary flabellum 23 is the hollow shape of any geometry, for example
But it is not limited to trapezoidal（Such as Fig. 3 A, 3D, 3G）, it is square（Such as Fig. 3 B, 3E）, shaped form（Such as Fig. 3 C）, it is semicircle（Such as Fig. 3 F）Or
The closed hollow shape such as water-drop-shaped.
Implement in another replacement, as shown in fig. 4 a and 4b, constituted circular structure and also may be used by main flabellum 22 and secondary flabellum 23
To be to open or semi-open annular solid, root 221 of the secondary flabellum 23 from the end 222 of the main flabellum 22 towards the main flabellum 22
One end that direction extends to the body 223 does not link with the upper surface 2231 of body 223 or lower surface 2232.
Especially to be illustrated, foregoing secondary flabellum 23 is, for example, three-stage construction（Such as Fig. 3 A, 3B, 3D, 3E, 3G, 4A and
4B）, that is, the secondary flabellum 23 include a first part 231 and a Part II 232 and a Part III 233, this first
Divide 231 and one end of the Part I 231 connects the end 222, the other end then faces upward or downward extension, the Part II 232
Any position of main flabellum 22, example are extended to towards the direction of root 221 of the main flabellum 22 from the other end of the first part 231
At the stage casing of such as main flabellum 22 or 1/3rd sections or 2/3rds sections, and a Part III 233 is from the end of the Part II 232
The body 223 towards the main flabellum 22 is held to extend.Wherein the Part I 231 is vertical or inclination, this figure with respect to the end 222
Expression is vertically arranged, the body 223 of the spaced and parallel main flabellum 22 of the Part II 232, and the Part III 233 is vertical or inclines
Tiltedly extend to body 233.In other implementations, the Part I 231 can also be obliquely installed with respect to the end 222（Scheme as be described hereinafter
Shown in 6B, the Part I 231 is inclined towards the right side of drawing, but is not limited to this, and other implementations can also be towards the left side of drawing
Incline）.
Therefore, when radiator fan 20 is in running, the Part I 231 of the secondary flabellum 23 stops the stream below main flabellum 22
Because pressure differential rolls to the top of main flabellum 22, the end 222 for thereby reducing main flabellum 22 is vortexed body（Also referred to as tip vortex）, and
Reduce aerodynamic noise.Second part 232 and Part III 233 of the secondary flabellum 23 then increase the surface action face of main flabellum 22
Product, significantly improves blast.Moreover, formed together with main flabellum 22 from the end 222 of main flabellum 22 by the secondary flabellum 23
One circular structure, will not increase flabellum denseness (solidity), and air quantity is lifted.With the state that blast is lifted with air quantity
Under, radiator fan characteristic is increased in the lump.So-called flabellum denseness (solidity) refers to spacing of the flabellum chord length divided by two flabellums；Denseness
It is bigger that to represent flabellum more intensive.
Implement in other replacement, foregoing secondary flabellum 23 is, for example, two-period form construction（Such as Fig. 3 C）, that is, pair fan
Leaf 23 includes that a Part I 231 connects the end 222 of the main flabellum 22, and a Part II 232 from the court of Part I 231
The direction of root 221 of the main flabellum 22 extends to the body 223 of the main flabellum 22.Wherein the Part I 231 is with respect to the end
Portion 222 is vertical or is obliquely installed that being represented in this figure and being vertically arranged, the Part II 232 is inclined from one end of Part I 231
Extend on body 233.Therefore when radiator fan 20 is in running, the Part I 231 of the secondary flabellum 23 stops main flabellum
Because pressure differential rolls to the top of main flabellum 22, the end 222 for thereby reducing main flabellum 22 is vortexed the fluid of 22 lower sections（The also referred to as wing
Point vortex）, and reduce aerodynamic noise.Second part 232 of the secondary flabellum 23 then increases the surface action area of main flabellum 22, obtains
So that blast is substantially improved.Moreover, form an annular together with main flabellum 22 from the end 222 of main flabellum 22 by the secondary flabellum 23
Construction, will not increase flabellum denseness, and air quantity is lifted.In the state of being lifted with air quantity with blast, radiation air is increased in the lump
Fan characteristic.
Furthermore, the angle between vertical finger two elements or two positions described in this case is 90 degree, and described inclination refers to two-spot
Angle between part or two positions is more than 90 degree or less than 90 degree.
In addition, foregoing each diagram represents that the mode that the main flabellum 22 is formed in one with the secondary flabellum 23 is formed, but
Not limited to this.As shown in Fig. 5 A and 5B, it is independent individually separating to implement the main flabellum 22 with the secondary flabellum 23 in another replacement
Element, then both with riveted, fasten, bind, lock, be soldered or welded（Such as ultrasonic or laser welding）Mode knot
Close.The material of main flabellum 22 and secondary flabellum 23 can be macromolecular material（Such as plastic cement）Or metal material or composite, should
Main flabellum 22 and secondary flabellum 23 can be phase same material or different material.
To be illustrated in the lump, join shown in Fig. 3 A again, the main flabellum 22 defines a radial development length L1, the boundary of secondary flabellum 23
A fixed development length L2, radial development length L1 are air line distance of the root 221 to end 222, and development length L2 is should
The air line distance of the Part II 232 of secondary flabellum 23 and the development length of Part III 233, development length L2 is less than this radially
Length of run L1.But not limited to this, please join shown in Fig. 6 A and 6B, other replacement implement, the secondary flabellum 23 define prolong
Elongation L2 is equal to the radial development length L1 of the main flabellum（Such as Fig. 6 A）；Or the development length L2 for defining of the secondary flabellum 23
More than the radial development length L1 of the main flabellum（Such as Fig. 6 B）.Therefore, user can adjust the secondary flabellum according to use demand
23 development length L2 is less than or equal to or more than the radial development length L1 of the main flabellum 22, to change blast and/or air quantity,
And then change radiator fan characteristic, while generation and the fan of deformation can be reduced with diffusing air current to the applying strength of local location
Leaf vibration problem.
Setting more than, the utility model has following advantage：
1. end vortex when radiator fan 20 is operated is reduced.
2. the characteristic of reduction running noise, and hoisting wind pressure and air quantity.
3. increase main flabellum 22 with the structural strength and diffusing air current of secondary flabellum 23 to the applying strength of local location, drop
The generation of low deformation and flabellum vibration problem.
4. furthermore the surface action area for increasing main flabellum 22, is reached through secondary flabellum 23, and then blast is substantially improved.
5. being increased without flabellum denseness can just lift air quantity.
Only as described above, the only preferably feasible embodiment of the utility model, such as using on the utility model
The method stated, shape, construction, device change for it, should all be contained in the interest field of this case.
Claims (20)
1. a kind of radiating vane structure, it is characterised in that including：
One main flabellum, with a root and one end, is respectively provided at the opposite end of the main flabellum both it, root connection one
Wheel hub, the end radially extends towards the direction of the opposite wheel hub, has a body, the body between the root and the end
With a upper surface and a lower surface；
One secondary flabellum, the body is extended to and with the main flaabellum shape from the end of the main flabellum towards the root direction of the main flabellum
Into a circular structure, and define a runner between the main flabellum and the secondary flabellum.
2. radiating vane structure according to claim 1, it is characterised in that the circular structure is to close or open ring
Body.
3. radiating vane structure according to claim 2, it is characterised in that the secondary flabellum extends to the upper surface.
4. radiating vane structure according to claim 2, it is characterised in that the secondary flabellum extends to the lower surface.
5. radiating vane structure according to claim 2, it is characterised in that the section of the circular structure is trapezoidal, side
Shape, shaped form or the semicircle or any hollow shape of water-drop-shaped.
6. radiating vane structure according to claim 1, it is characterised in that the main flabellum is integrated into the secondary flabellum
Type or indivedual independent separate element and by riveted, fasten, bind, lock, be soldered or welded in the way of combine.
7. radiating vane structure according to claim 1, wherein main flabellum defines a radial development length, the secondary flabellum
A development length is defined to be less than or equal to or more than the radial development length.
8. radiating vane structure according to claim 1, it is characterised in that the secondary flabellum includes Part I connection
The end of the main flabellum, and root direction of the Part II from the Part I towards the main flabellum extends, and a Part III
Extend from the Part II towards the body of the main flabellum.
9. radiating vane structure according to claim 1, it is characterised in that the secondary flabellum includes Part I connection
The end of the main flabellum, and root direction of the Part II from the Part I towards the main flabellum inclines and extends to the main flabellum
Body.
10. radiating vane structure according to claim 1, it is characterised in that the main flabellum and the secondary flabellum are identical
Material or different material, the material include macromolecular material and metal material and composite any of which.
A kind of 11. radiator fans, it is characterised in that including：
One wheel hub；
The main flabellum of plural number, is arranged on the outside of the wheel hub, and each main flabellum, with a root and one end, is somebody's turn to do the two and sets respectively
In the opposite end of the main flabellum, the root connects the wheel hub, and the end radially extends towards the direction of the opposite wheel hub, the root
And there is a body between the end, the body has a upper surface and a lower surface；
Plural pair flabellum, extends to the body and is formed with the main flabellum from the end of each main flabellum towards root direction respectively
One circular structure, the circular structure defines a runner between the main flabellum and the secondary flabellum.
12. radiator fans according to claim 11, it is characterised in that the circular structure is to close or open ring
Shape.
13. radiator fans according to claim 12, it is characterised in that the secondary flabellum extends to the upper surface.
14. radiator fans according to claim 12, it is characterised in that the secondary flabellum extends to the lower surface.
15. radiator fans according to claim 12, it is characterised in that the section of the circular structure for it is trapezoidal, square,
Shaped form or semicircle any hollow shape.
16. radiator fans according to claim 11, it is characterised in that the main flabellum is formed in one with the secondary flabellum
Or indivedual independent components by riveted, fasten, bind, lock, be soldered or welded in the way of combine.
17. radiator fans according to claim 11, it is characterised in that the main flabellum defines a radial development length,
The secondary flabellum defines a development length and is less than or equal to or more than the radial development length.
18. radiator fans according to claim 11, it is characterised in that the secondary flabellum includes that Part I connection should
The end of main flabellum, and root direction of the Part II from the Part I towards the main flabellum extends, and a Part III from
The Part II extends towards the body of the main flabellum.
19. radiator fans according to claim 11, it is characterised in that the secondary flabellum includes that Part I connection should
The end of main flabellum, and root direction of the Part II from the Part I towards the main flabellum inclines and extends to the main flabellum
Body.
20. radiator fans according to claim 11, it is characterised in that the main flabellum and the secondary flabellum are phase same material
Or different material, the material include macromolecular material and metal material and composite any of which.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621127409.0U CN206234162U (en) | 2016-10-17 | 2016-10-17 | Radiating vane structure and its radiator fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621127409.0U CN206234162U (en) | 2016-10-17 | 2016-10-17 | Radiating vane structure and its radiator fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206234162U true CN206234162U (en) | 2017-06-09 |
Family
ID=58983522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621127409.0U Expired - Fee Related CN206234162U (en) | 2016-10-17 | 2016-10-17 | Radiating vane structure and its radiator fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206234162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402024A (en) * | 2016-10-17 | 2017-02-15 | 奇鋐科技股份有限公司 | Heat dissipating fan blade structure and heat dissipating fan with same |
-
2016
- 2016-10-17 CN CN201621127409.0U patent/CN206234162U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402024A (en) * | 2016-10-17 | 2017-02-15 | 奇鋐科技股份有限公司 | Heat dissipating fan blade structure and heat dissipating fan with same |
| CN106402024B (en) * | 2016-10-17 | 2021-10-08 | 奇鋐科技股份有限公司 | Radiating fan blade structure and radiating fan thereof |
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Granted publication date: 20170609 |