CN100504077C - Radiating fan and base of fan frame - Google Patents
Radiating fan and base of fan frame Download PDFInfo
- Publication number
- CN100504077C CN100504077C CNB2004100687710A CN200410068771A CN100504077C CN 100504077 C CN100504077 C CN 100504077C CN B2004100687710 A CNB2004100687710 A CN B2004100687710A CN 200410068771 A CN200410068771 A CN 200410068771A CN 100504077 C CN100504077 C CN 100504077C
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- base
- guide plate
- fan
- pedestal
- housing
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Abstract
This invention is a heat emission fan and its frame base. The fan comprises a frame, an impeller formed by a wheel hub and motive blades around the hub. The frame base is installed inside the fan frame to support the impeller. Several flow guiders are fixed in between the frame base and the frame. The flow guiders have the first and the second curve surfaces to largely decrease noise and increase wind pressure.
Description
Technical field
The present invention relates to a kind of radiation fan and base of fan frame thereof, relate in particular to a kind of base of fan frame that is applied to axial fan.
Background technique
In the middle of general electronic product (as computer),,, will cause the electrical assembly loss easily and shorten its life-span if continue to be under the condition of high temperature always because the electrical assembly in it time can produce many heat in work.Therefore, break down, radiation fan generally can be set in wherein, so that the heat dissipation that inside produced is extremely extraneous for avoiding electrical assembly.
See also Fig. 1, it is a kind of tradition axial fan commonly used, and this axial fan has a shell block 90, a stator 91 and an impeller 93.This shell block 90 can supply stator 91 combinations, and the rotating shaft 94 of this impeller 93 is inserted in the axis hole of this stator 91 and by this bearing 92 and is supported.When this impeller 93 rotated, the blade 95 driving air-flows on it blew out towards the air opening end of shell block 90.The air opening end of this shell block 90 is provided with several steady arms 96, because the steady arm section configuration on this shell block 90 is approximate quadrant shape, as shown in Figure 2, therefore, rotate the air-flow that is produced by impeller 93 and can be subjected to stopping of steady arm 96, the flow direction of this air-flow can form the various different direction shown in arrow among Fig. 2, makes this air-flow because of being subjected to the noise that stopping of steady arm 96 forms flow-disturbing, the air-flow that blows out also can reduce relatively at the blast of air opening end.
The present invention with research and in line with the spirit of working with perseverance, creates radiation fan of the present invention and base of fan frame thereof through concentrated test in view of the defective of prior art finally.It below is brief description of the present invention.
Summary of the invention
Main purpose of the present invention is to provide a kind of radiation fan and base of fan frame thereof, can significantly reduce the flow-disturbing noise and can improve blast.
Another object of the present invention is to provide a kind of radiation fan and base of fan frame thereof, it utilizes guide plate to improve the characteristic in conventional axial-flow fan stall zone.
According to another conception of the present invention, the base of fan frame of this radiation fan comprises a housing; One pedestal is arranged in this housing, in order to the moving vane of this radiation fan of bearing thereon; And a plurality of guide plates, be arranged between this pedestal and this housing, wherein this guide plate has a first surface and one second curved surface.
According to another conception of the present invention, the base of fan frame of this radiation fan comprises a housing; One pedestal is arranged in this housing; And a plurality of guide plates, be arranged between this pedestal and this housing, wherein this guide plate has one first plane of inclination and one second plane of inclination.This first plane of inclination and this second plane of inclination are a curved surface, and the tilt angle of this first plane of inclination and this second plane of inclination is unequal.
According to another conception of the present invention, this radiation fan comprises a housing; One impeller has a wheel hub and a plurality of this wheel hub moving vane on every side that is located on; One pedestal is arranged in this housing, in order to this impeller of bearing thereon; And a plurality of guide plates, be arranged between this pedestal and this housing, wherein this guide plate has a first surface and one second curved surface.
Preferably, the inner side edge height of this moving vane is lower than the apical side height of this wheel hub.And the top periphery of this wheel hub is the arc shape structure.
This radiation fan also comprises an iron-clad, has a plurality of holes, can be sleeved in it for a buckling member of this wheel hub, and this wheel hub is socketed on outside this iron-clad.
This radiation fan also comprises a drive unit, is arranged in this iron-clad or this wheel hub, in order to drive this wheel rotation, to produce air-flow.
Wherein, the angle of this first surface and this second curved surface and this base bottom surface is unequal.The angle of this first surface and this second curved surface and this base bottom surface is respectively acute angle, and preferred range is 5 °～60 °.In addition, the curvature of this first surface and this second curved surface also can be unequal.
In addition, this guide plate also has a horizontal bottom, and this first surface or this second curved surface are an arc surface, curved surface or inclination curved surface.This first surface and this second curved surface have an intersection end points, approach the tail end of this moving vane.
Preferably, this guide plate is imperfect quiet fin, and wherein the sectional area of this guide plate is more than or equal to 1/3rd of the sectional area of this moving vane; Perhaps, the sectional area of this guide plate is the sectional area less than this moving vane.Or, the height of this guide plate be this moving vane height 1/3rd to 1/2nd.
In addition, this housing has one and expands and to stretch portion, is positioned at the air opening end or the wind inlet end of this base of fan frame, and to increase its turnover air quantity, wherein these a plurality of guide plates are connected in this expansion and stretch between portion and this pedestal.Perhaps, a wherein end of these a plurality of guide plates is connected in this pedestal, and its another free end is stretched portion's direction extension towards this expansion; Or a wherein end of these a plurality of guide plates is connected in this expansion and stretches portion, and its another free end extends towards this pedestal direction; Again or, a wherein end of a part of these a plurality of guide plates is connected in that portion is stretched in this expansion and another free end extends towards this pedestal direction, and an end of another part is connected in this pedestal and another free end is stretched portion's direction towards this expansion and extended.
Preferably, this guide plate is stretched the cross section of portion's direction for fixing consistent or being the gradual variation of dwindling or increasing from this pedestal to this expansion.
In addition, this housing, this pedestal and this a plurality of guide plates are integrated injection molding, and wherein the material of this housing, this pedestal and these a plurality of guide plates is plastics, metal or other similar material.This housing is a square, rectangular or round structure.
Moreover this guide plate can be positioned at the inlet air oral-lateral or the air-out oral-lateral of this base of fan frame, and wherein the number of this guide plate is less than the number of this moving vane.
In addition, also have a plurality of reinforcement ribs in this pedestal, it strengthens its structure.
The present invention can obtain more in depth understanding by the following drawings and embodiment's detailed description.
Description of drawings
Fig. 1 is the three-dimensional exploded view of a kind of tradition axial fan commonly used.
Fig. 2 is the generalized section along the line 2-2 among Fig. 1.
Fig. 3 is the stereogram of the preferred embodiment of the employed wherein a kind of base of fan frame of radiation fan of the present invention.
Fig. 4 is the sectional drawing of a kind of preferred embodiment of radiation fan of the present invention.
Fig. 5 is the guide plate of radiation fan of the present invention and the alignment arrangements schematic representation of moving vane.
Fig. 6 A and 6B are the worm's eye view of the employed other two kinds of base of fan frame preferred embodiments of radiation fan of the present invention.
Fig. 7 is that radiation fan of the present invention compares with traditional blast and air quantity characteristic of using axial fan always
Figure.
Description of reference numerals
90: shell block
91: stator
92: bearing
93: impeller
94: rotating shaft
95: blade
96: steady arm
3: base of fan frame
30: housing
31: pedestal
31a: strengthen rib
32: guide plate
4: impeller
41: wheel hub
41a: arc shape structure
41b: buckling member
42: moving vane
43: iron-clad
5: drive unit
321: first surface
322: the second curved surfaces
323: horizontal bottom
33a, 33b: expand the portion of stretching
Embodiment
At first, see also Fig. 3, it shows the preferred embodiment of the employed wherein a kind of base of fan frame of radiation fan of the present invention.This base of fan frame 3 comprises a housing 30; One pedestal 31 is arranged in this housing, in order to the impeller of this radiation fan of bearing thereon; And a plurality of guide plates 32, be arranged between this pedestal 31 and this housing 30, wherein these a plurality of guide plates are positioned at the air-out oral-lateral of this base of fan frame.Certainly, this guide plate also can be arranged at the inlet air oral-lateral of this base of fan frame, or is positioned at the inlet air oral-lateral and the air-out oral-lateral of this base of fan frame simultaneously.The shape of this housing is except being illustrated in figure 3 as square structure, and it can also be rectangular or round structure.This housing, this pedestal and this a plurality of guide plates can be made for the integrated injection molding mode, and its material that uses can be plastics, metal or other similar material.Also have a plurality of reinforcement rib 31a in this pedestal 31, in order to strengthen the structure of this base of fan frame.
Now see also Fig. 4, this radiation fan has an impeller 4, have a wheel hub 41 and a plurality of this wheel hub moving vane 42 on every side that is located on, wherein the inner side edge height of this moving vane 42 is lower than the apical side height of this wheel hub 41, and the top periphery of this wheel hub 41 is arc shape structure 41a, flows to this moving vane 42 more swimmingly to guide more air-flow.This radiation fan also comprises an iron-clad 43, has a plurality of holes on it, can be sleeved on it for a buckling member 41b who is positioned at these wheel hub 41 inner top surfaces, and this wheel hub 41 is socketed on outside this iron-clad 43.This radiation fan also comprises a drive unit 5, is arranged in this iron-clad 43 or the wheel hub 41, rotates in order to drive this impeller 4, to produce air-flow.
As shown in Figure 5, this guide plate 32 has a first surface 321, one second curved surface 322 and a horizontal bottom 323.This first surface 321 is positioned at the windward side side, and with the horizontal slanted angle of this base bottom surface be θ 1, this second curved surface 322 is positioned at the lee face side, and with the horizontal angle of this base bottom surface be θ 2, the angle of θ 1 and θ 2 is unequal, both preferred angles are an acute angle, and better angular range can be 5 °～60 °.This first surface 321 and this second curved surface 322 are a curved surface, but are not limited thereto, and it can also be arc surface or inclination curved surface.This first surface 321 and this second curved surface 322 have an intersection terminal A, approach the tail end of this moving vane 42, in order to converting static pressure to by the air-flow of this moving vane 42, to promote the blast of this radiation fan.
This guide plate 32 is preferably an incomplete quiet fin, and its sectional area is more than or equal to 1/3rd of the sectional area of this moving vane; Or its sectional area also can less than the sectional area of this moving vane.In other words, if this moving vane 42 is wing shape, the shape of this guide plate 32 then is similar to wing shape, but its tail end is partly excised.Therefore, the height of this guide plate 32 is about 1/3rd to 1/2nd of these moving vane 42 height.
See also Fig. 4 in addition again, this housing has an expansion and stretches the 33a of portion, is positioned at the air opening end of this base of fan frame, also has another expansion and stretches the 33b of portion, is positioned at the wind inlet end of this base of fan frame, and reaching swimmingly with the turnover air quantity that increases this radiation fan, steering flow flows to this impeller.These a plurality of guide plates 32 are connected in this expansion and stretch between the 33a of portion and this pedestal 31, but the set-up mode of these a plurality of guide plates 32 is not limited to this, and it can be changed design according to practical application.For instance, a wherein end of these a plurality of guide plates is connected in this pedestal 31, and its another free end is stretched the 33a of portion direction extension (as shown in Figure 6A) towards this expansion; Or a wherein end of these a plurality of guide plates is connected in this expansion and stretches the 33a of portion, and its another free end extends (shown in Fig. 6 B) towards these pedestal 31 directions; Perhaps, a wherein end of a part of these a plurality of guide plates is connected in that the 33a of portion is stretched in this expansion and another free end extends towards these pedestal 31 directions, and an end of another part is connected in this pedestal 31 and another free end is stretched the 33a of portion direction towards this expansion and extended.In addition, this guide plate from this pedestal to this expansion stretch the sectional shape of portion's direction can be for consistent fixing outside, the changes of section that this guide plate is stretched portion's direction from this pedestal to this expansion also can be gradual and dwindle or increase.Number as for this guide plate can be less than the number of this moving vane.
At last, see also Fig. 7, it is the air quantity and the blast characteristic comparison diagram of radiation fan of the present invention (being shown in Fig. 3 to 5) and conventional axial-flow fan (promptly shown in Figure 1), figure can know and shows that the present invention utilizes guide plate improving the characteristic in conventional axial-flow fan stall zone thus, and then significantly reduces the flow-disturbing noise and improve blast.
Certainly, those skilled in the art can make some improvement and variation to the present invention, but in the scope that these improvement and variation all are included in appended claims to be defined.
Claims (30)
1. the base of fan frame of a radiation fan, described base of fan frame comprises:
One housing;
One pedestal is arranged in the described housing, in order to a moving vane of the described radiation fan of bearing thereon; And
A plurality of guide plates are arranged between described pedestal and the described housing, and wherein said guide plate has a first surface, one second curved surface and a bottom surface, and described first surface is different with the curvature of second curved surface.
2. base of fan frame as claimed in claim 1, wherein said first surface or described second curved surface are an arc surface or curved surface or inclination curved surface.
3. base of fan frame as claimed in claim 1, the angle of wherein said first surface and described second curved surface and described base bottom surface are respectively 5 °～60 °.
4. base of fan frame as claimed in claim 1, wherein said guide plate are incomplete quiet fin.
5. base of fan frame as claimed in claim 1, the sectional area of wherein said guide plate are more than or equal to 1/3rd of the sectional area of described moving vane.
6. base of fan frame as claimed in claim 1, the sectional area of wherein said guide plate are the sectional area less than described moving vane.
7. base of fan frame as claimed in claim 1, the height of wherein said guide plate be described moving vane height 1/3rd to 1/2nd.
8. base of fan frame as claimed in claim 1, wherein said housing have an expansion and stretch portion, are positioned at the air opening end or the wind inlet end of described base of fan frame, and to increase its turnover air quantity, described a plurality of guide plates are connected in described expansion and stretch between portion and the described pedestal.
9. base of fan frame as claimed in claim 8, the changes of section that wherein said guide plate is stretched portion's direction from described pedestal to described expansion are gradual to be dwindled or increases.
10. base of fan frame as claimed in claim 1, wherein said housing, described pedestal and described a plurality of guide plate are integrated injection molding, and the material of described housing, described pedestal and described a plurality of guide plates is plastics, metal or other similar material.
11. base of fan frame as claimed in claim 1, wherein said guide plate lay respectively at the inlet air oral-lateral or the air-out oral-lateral of described base of fan frame, the number of described guide plate is less than the number of described moving vane.
12. the base of fan frame of a radiation fan, described base of fan frame comprises:
One housing;
One pedestal is arranged in the described housing; And
A plurality of guide plates, be arranged between described pedestal and the described housing, wherein said guide plate has one first plane of inclination and one second plane of inclination, and wherein said first plane of inclination and described second plane of inclination are curved surface, and the tilt angle of described first plane of inclination and described second plane of inclination is unequal.
13. a radiation fan, described radiation fan comprises:
One housing;
One impeller has a wheel hub and a plurality of described wheel hub moving vane on every side that is located on;
One pedestal is arranged in the described housing, in order to the described impeller of bearing thereon; And
A plurality of guide plates are arranged between described pedestal and the described housing, and wherein said guide plate has a first surface and one second curved surface, and described first surface is different with the curvature of second curved surface.
14. radiation fan as claimed in claim 13, the inner side edge height of wherein said moving vane is lower than the apical side height of described wheel hub.
15. radiation fan as claimed in claim 13 wherein also comprises an iron-clad, has a plurality of holes, can be sleeved in it for a buckling member of described wheel hub, and described wheel hub is socketed on outside the described iron-clad.
16., wherein also comprise a drive unit, be arranged in described iron-clad or the described wheel hub, in order to drive described wheel rotation, to produce air-flow as claim 13 or 15 described radiation fans.
17. radiation fan as claimed in claim 13, the top periphery of wherein said wheel hub is the arc shape structure.
18. radiation fan as claimed in claim 13, the angle of wherein said first surface and described second curved surface and described base bottom surface is unequal.
19. radiation fan as claimed in claim 13, wherein said guide plate also has a horizontal bottom, and described first surface or described second curved surface are an arc surface or curved surface or inclination curved surface.
20. radiation fan as claimed in claim 13, the slanted angle of wherein said first surface and described second curved surface and described base bottom surface are respectively 5 °～60 °.
21. radiation fan as claimed in claim 13, wherein said guide plate are incomplete quiet fin.
22. radiation fan as claimed in claim 3, the sectional area of wherein said guide plate are more than or equal to 1/3rd of the sectional area of described moving vane.
23. radiation fan as claimed in claim 13, the sectional area of wherein said guide plate are the sectional area less than described moving vane.
24. radiation fan as claimed in claim 13, the height of wherein said guide plate be described moving vane height 1/3rd to 1/2nd.
Stretch portion 25. radiation fan as claimed in claim 13, wherein said housing have an expansion, be positioned at the air opening end or the wind inlet end of described base of fan frame, to increase its turnover air quantity, described a plurality of guide plates are connected in described expansion and stretch between portion and the described pedestal.
26. radiation fan as claimed in claim 25, a wherein end of wherein said a plurality of guide plates is connected in described pedestal, and its another free end is stretched portion's direction extension towards described expansion; Perhaps a wherein end of described a plurality of guide plates is connected in described expansion and stretches portion, and its another free end extends towards described pedestal direction; Or a wherein end of a part of described a plurality of guide plates is connected in that portion is stretched in described expansion and another free end extends towards described pedestal direction, and an end of another part is connected in described pedestal and another free end is stretched portion's direction extension towards described expansion.
Dwindle or increase 27. radiation fan as claimed in claim 25, the changes of section that wherein said guide plate is stretched portion's direction from described pedestal to described expansion are gradual.
28. radiation fan as claimed in claim 13, wherein said housing, this pedestal and described a plurality of guide plate are integrated injection moldings, and the material of described housing, described pedestal and described a plurality of guide plates is plastics, metal or other similar material.
29. radiation fan as claimed in claim 13, wherein said guide plate lay respectively at the inlet air oral-lateral or the air-out oral-lateral of described base of fan frame, the number of described guide plate is less than the number of described moving vane.
30. radiation fan as claimed in claim 13 has a plurality of reinforcement ribs in the wherein said pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100687710A CN100504077C (en) | 2004-09-06 | 2004-09-06 | Radiating fan and base of fan frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100687710A CN100504077C (en) | 2004-09-06 | 2004-09-06 | Radiating fan and base of fan frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1746513A CN1746513A (en) | 2006-03-15 |
| CN100504077C true CN100504077C (en) | 2009-06-24 |
Family
ID=36166175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100687710A Ceased CN100504077C (en) | 2004-09-06 | 2004-09-06 | Radiating fan and base of fan frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100504077C (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101119622B (en) * | 2006-08-03 | 2011-07-27 | 台达电子工业股份有限公司 | Radiating module and fan and housing |
| CN101205934B (en) * | 2006-12-19 | 2011-04-20 | 台达电子工业股份有限公司 | Fan and frame thereof |
| CN101265923B (en) * | 2007-03-14 | 2011-09-14 | 台达电子工业股份有限公司 | Fan and its fan frame |
| CN101555890A (en) | 2008-04-09 | 2009-10-14 | 富准精密工业(深圳)有限公司 | Radiator fan and fan frame thereof |
| JP2013113128A (en) * | 2011-11-25 | 2013-06-10 | Sanyo Denki Co Ltd | Axial flow fan |
| US10125783B2 (en) | 2013-02-25 | 2018-11-13 | Greenheck Fan Corporation | Fan assembly and fan wheel assemblies |
| EP2959170A2 (en) | 2013-02-25 | 2015-12-30 | Greenheck Fan Corporation | Mixed flow fan assembly |
| US10184488B2 (en) | 2013-02-25 | 2019-01-22 | Greenheck Fan Corporation | Fan housing having flush mounted stator blades |
| JP5839755B1 (en) * | 2015-01-08 | 2016-01-06 | 山洋電気株式会社 | Fan casing and fan device |
| CN107288917A (en) * | 2016-04-13 | 2017-10-24 | 佛山市建准电子有限公司 | Combination of fans is constructed and its fan Shockproof base |
| WO2019115717A1 (en) * | 2017-12-13 | 2019-06-20 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Housing produced in one working step |
| CN108180154B (en) * | 2017-12-27 | 2020-02-21 | 泛仕达机电股份有限公司 | Fan ripple support |
| WO2020132722A1 (en) * | 2018-12-28 | 2020-07-02 | Springer Carrier Ltda. | Grille for ventilation apparatus |
-
2004
- 2004-09-06 CN CNB2004100687710A patent/CN100504077C/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN1746513A (en) | 2006-03-15 |
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Decision date of declaring invalidation: 20140711 Decision number of declaring invalidation: 23237 Granted publication date: 20090624 |