CN101275586A - Fan and fan frame thereof - Google Patents
Fan and fan frame thereof Download PDFInfo
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- CN101275586A CN101275586A CNA2007100890003A CN200710089000A CN101275586A CN 101275586 A CN101275586 A CN 101275586A CN A2007100890003 A CNA2007100890003 A CN A2007100890003A CN 200710089000 A CN200710089000 A CN 200710089000A CN 101275586 A CN101275586 A CN 101275586A
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- framework
- auxiliary inlet
- fan
- main air
- air intake
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Abstract
A fan includes a frame, a base and at least a connecting piece. The frame at least has an installing part, of which the inner is arranged with a main air inlet and the frame is provided with at least an assistant air inlet. The assistant air inlet is not connected with the installing part, and the assistant air inlet is slantways connected with main air inlet at the upper part of the frame. The base is provided at the center of the frame, and the connecting piece is arranged between the frame and the bottom. Disclosed further is a fan having the fan frame.
Description
Technical field
The invention relates to a kind of fan and fan frame thereof, particularly about a kind of fan and fan frame thereof with auxiliary inlet.
Background technique
Along with electronic product developing rapidly towards high-performance, high frequency, high-speed and lightening direction, cause the heating temperature of electronic product more and more higher, thereby be easy to generate wild effect, influence production reliability and working life, therefore heat radiation has become one of important topic of electronic product, is common structure setting and utilize fan as sink.
Common fan comprises fan frame, an impeller and a motor at present, and this impeller and this motor setting are fanned in the frame again, and this motor connection also drives this wheel rotation.Please refer to shown in Figure 1ly, prior art fan frame 1 has a framework 11, a base 12 and a plurality of rib 13, and the two ends of these ribs 13 are connected with framework 11 and base 12 respectively.In addition, the corner of this framework 11 is provided with a plurality of screws 111, and this fan frame 1 is fixed on by these screws 111 and needs to install on arbitrary external system of fan.
Prior art also can be provided with a plurality of auxiliary inlets 113 at the periphery of framework 11 except these framework 11 original main air intakes 112, so that air-flow imports from auxiliary inlet 113, and converge with the air-flow of main air intake 112, and then be added to air quantity.
Please refer to shown in Figure 2ly, it illustrates the schematic representation of Fig. 1 along the A-A section.Secondary air Aa imports main air intake 112 through auxiliary inlet 113, and converges with the main air flow Am that imports through main air intake 112.Yet, when secondary air Aa imports since screw 111 that the position is set is lower than auxiliary inlet 113, so the secondary air Aa bolt 114 by being locked together in screw 111 earlier imports this main air intake 112 through auxiliary inlet 113 again.Because screw 114 is not a smooth surface, thereby produce the noise that wind is cut sound.Simultaneously, this secondary air Aa is the direction remittance main air flow Am with near vertical, forms turbulent flow (turbulence) or eddy current (vortex), thereby reduces fan performance.
Therefore, how to provide a kind of fan and fan frame thereof, it can improve fan performance and avoid wind to cut the noise of sound, is an important problem really.
Summary of the invention
In view of above-mentioned problem, the purpose of this invention is to provide a kind of can improve fan performance and avoid wind cut sound noise fan and the fan frame.
So for achieving the above object, a kind of fan frame according to the present invention comprises: a framework, a base and at least one link.This framework has at least one installing department, and a main air intake is set in this framework, and this framework is provided with at least one auxiliary inlet.This auxiliary inlet is set to not be communicated with this installing department.This base is arranged on the centre of this framework, and the two ends of this link connect framework and base respectively.
For achieving the above object, a kind of fan frame according to the present invention comprises: a framework, a base and at least one link.This framework has at least one installing department, and a main air intake is set in this framework, and this framework is provided with at least one auxiliary inlet.This auxiliary inlet is set to not be communicated with this installing department, and this auxiliary inlet is communicated with this main air intake obliquely from the first half of this framework.This base is arranged on the centre of this framework, and the two ends of this link connect framework and base respectively.
For achieving the above object, a kind of fan according to the present invention comprises: a framework, a motor and an impeller.This framework has at least one installing department, and a main air intake is set in this framework, and this framework is provided with at least one auxiliary inlet.This auxiliary inlet is set to not be communicated with this installing department.This motor is arranged in this framework.This impeller is sheathed and be connected in this motor, this wheel rotation of this motor driven.
For achieving the above object, a kind of fan according to the present invention comprises: a framework, a motor and an impeller.This framework has at least one installing department, and a main air intake is set in this framework, and this framework is provided with at least one auxiliary inlet.This auxiliary inlet is set to not be communicated with this installing department, and this auxiliary inlet is communicated with this main air intake obliquely from the first half of this framework.This motor is arranged in this framework.This impeller is sheathed and be connected in this motor, this wheel rotation of this motor driven.
As mentioned above, because be added to air quantity according to a kind of fan of the present invention and fan frame thereof by auxiliary inlet is set, and auxiliary inlet is set to not be communicated with installing department, when making air-flow through this auxiliary inlet importing, can not be subjected to the influence of installing department.Compare with prior art, the present invention can improve fan performance, avoids air communication to cross the noise that wind that this installing department produces is cut sound.In addition, this auxiliary inlet is communicated with this main air intake obliquely from the first half of framework, and air-flow is more smooth and easy through this formed flow field of auxiliary inlet remittance main air intake, can not produce turbulent flow or eddy current.
Description of drawings
Fig. 1 is a kind of schematic representation of prior art fan frame;
Fig. 2 is the schematic representation of the fan frame of Fig. 1 along the A-A section;
Fig. 3 is a kind of according to the preferred embodiment of the invention schematic representation of fanning frame;
Fig. 4 is the schematic representation of the fan frame of Fig. 3 along the B-B section;
Fig. 5 is applied in the performance curve on the fan and the comparison diagram of noise curve for the present invention fans frame and prior art fan frame; And
Fig. 6 is a kind of schematic representation of fan according to the preferred embodiment of the invention.
Embodiment
Hereinafter with reference to relevant indicators, a kind of according to the preferred embodiment of the invention fan and fan frame thereof are described, wherein components identical will be illustrated with identical reference character.
Please refer to Fig. 3, a kind of according to the preferred embodiment of the invention fan frame 2 comprises a framework 21, a base 22 and at least one link 23, and it is example that present embodiment has a plurality of links 23 with this fan frame 2.This base 22 is arranged on the centre of this framework 21, and the two ends of these links 23 connect this framework 21 and base 22 respectively.Wherein these links 23, base 22 and framework 21 can be one-body molded.
This framework 21 has at least one installing department 211, and this framework 21 has four through holes with as these installing departments 211 in the present embodiment.One main air intake 212 is set in this framework 21, and this framework 21 is provided with at least one auxiliary inlet 213.In the present embodiment, this framework 21 has four auxiliary inlets 213, and these auxiliary inlets 213 are arranged on the corner of this framework 21, these auxiliary inlets 213 also can be arranged on the side of this framework 21, perhaps these auxiliary inlets 213 also can be arranged on the corner and the side of this framework 21 simultaneously, and these auxiliary inlets 213 are arranged on the side of these installing departments 211.This auxiliary inlet 213 is set to not be communicated with this installing department 211, and so independent set-up mode makes air-flow can not import auxiliary inlet 213 again through installing department 211, promptly can avoid installing department 211 to influence air-flow, and avoid producing the noise that wind is cut sound.
Please refer to shown in Figure 4ly, it illustrates the schematic representation of Fig. 3 along the B-B section.This auxiliary inlet 213 is to be communicated with this main air intake 212 with a tilt angle theta, and this auxiliary inlet 213 is communicated with this main air intake 212 obliquely from the first half 214 of this framework 21.Like this, this auxiliary inlet 213 can be communicated with this main air intake 212 in 1/3 to 1/2 place along the inlet air direction from this framework 21, this auxiliary inlet 213 is reached improve the effect that air-flow imports.In addition, auxiliary inlet 213 is to spend to inclination of 50 degrees angle θ with 20 to be communicated with this main air intake 212, and this tilt angle theta preferably at 25.5 degree between 42.5 degree.Like this, when a plurality of secondary air Ba when auxiliary inlet 213 imports main air intakes 212, can form flow field more smoothly with a main air flow Bm who imports from main air intake 212, can not produce turbulent flow or eddy current, promote air-flow and converge the effect that is produced, and then improve fan performance.
Please refer to shown in Figure 5, the present invention is fanned frame 2 and prior art fan frame 1 be applied in experiment Analysis on the fan, laboratory data according to performance curve and noise curve relatively shows: blast that the present invention exported and air quantity all increase than the prior art fan, and the stall zone is delayed, thereby when fan is inserted the higher resistance system, can have lower level of noise.In addition, generally, noise curve of the present invention makes moderate progress than prior art, i.e. the noise that the present invention produces is lower.
Please refer to shown in Figure 6, a kind of according to the preferred embodiment of the invention fan 3 comprise one the fan frame 30, a motor 34 and an impeller 35.This fan frame 30 has a framework 31, a base 32 and at least one link 33.Wherein, this framework 31 has at least one installing department (not shown), a main air intake 312 and at least one auxiliary inlet 313.The fan frame 30 of present embodiment has identical formation and function with the fan frame 2 of the foregoing description, therefore repeats no more.
This impeller 35 is sheathed and be connected in this motor 34.This impeller 35 comprises a wheel hub 351 and a plurality of flabellum 352.Wherein, this wheel hub 351 is connected with this case 3423, and these flabellums 352 are connected the outer rim of this wheel hub 351.
This motor 34 drives this impeller 35 and rotates, and introduces at least one main air flow Bm and enter fan 3 inside through main air intake 312, and introduces at least one secondary air Ba and enter fan 3 inside through auxiliary inlet 313.Because auxiliary inlet 313 is set to not be communicated with installing department 311, independent set-up mode like this makes air-flow can not import this auxiliary inlet 313 again through this installing department 311, promptly can avoid installing department 311 to influence air-flow, thereby avoid producing the noise that wind is cut sound.
In addition, this auxiliary inlet 313 is to be communicated with this main air intake 312 with a tilt angle theta, and this auxiliary inlet 313 is communicated with this main air intake 312 obliquely from the first half 314 of this framework 31, promotes the effect that air-flow imports thereby this auxiliary inlet 313 is reached.In addition, when a plurality of secondary air Ba when auxiliary inlet 313 imports these main air intakes 312, can form flow field more smoothly with the main air flow Bm that imports from main air intake 312, can not produce turbulent flow or eddy current, promote air-flow and converge the effect that is produced, and then improve fan performance.
In sum, fan of the present invention and fan frame thereof are added to air quantity by auxiliary inlet is set, and auxiliary inlet is set to not be communicated with installing department, when making air-flow through the auxiliary inlet importing, can not be subjected to the influence of installing department.Compare with prior art, the present invention can improve fan performance, avoids air communication to cross the noise that wind that installing department produces is cut sound.In addition, auxiliary inlet makes the first half from this framework be communicated with this main air intake obliquely, and it is more smooth and easy that this auxiliary inlet of air-flow process imports the formed flow field of this main air intake, can not produce turbulent flow or eddy current.
The above only is an illustrative, but not is restricted.Any the present invention's of not departing from spirit, all should comprise in the appended claims its equivalent modifications of carrying out or change with scope.
The main element explanation:
1,2,30 fan frames 11,21,31 frameworks
111 screws 112,212,312 main air intakes
113,213,313 auxiliary inlets, 114 bolts
12,22,32 bases, 13 ribs
211 installing departments 214,314 first halves
23,33 connectors, 3 fans
321 central siphon portions, 34 motors
341 stators, 342 rotors
3421 rotating shafts, 3422 magnetic elements
3423 cases, 35 impellers
351 wheel hubs, 352 flabellums
36 circuit boards, 37 bearings
Aa, Ba secondary air Am, Bm main air flow
The θ angle of inclination
Claims (18)
1. fan frame for one kind, comprising:
One framework has at least one installing department, and a main air intake is set in this framework, and this framework is provided with at least one auxiliary inlet, and this auxiliary inlet is set to not be communicated with this installing department.
2. fan frame for one kind, comprising:
One framework has at least one installing department, and a main air intake is set in this framework, and this framework is provided with at least one auxiliary inlet, and auxiliary inlet is set to not be communicated with installing department, and auxiliary inlet is communicated with this main air intake obliquely from the first half of this framework.
3. fan frame as claimed in claim 1 or 2 also comprises a base and at least one link, and this base is arranged on the centre of this framework, and this link is arranged between this framework and this base.
4. fan frame as claimed in claim 3, wherein this link, this base and this framework are formed in one.
5. fan frame as claimed in claim 1 or 2, wherein this auxiliary inlet is arranged on the corner and/or the side of this framework.
6. fan frame as claimed in claim 1, wherein this auxiliary inlet is to be communicated with this main air intake with an angle of inclination.
7. as claim 2 or 6 described fan frames, wherein this angle of inclination is between 20 degree are spent to 50.
8. fan frame as claimed in claim 1 or 2, wherein this auxiliary inlet is arranged on the side of this installing department, and this installation site is in this framework corner.
9. fan frame as claimed in claim 1 or 2, wherein this auxiliary inlet can be communicated with this main air intake in 1/3 to 1/2 place along the inlet air direction from this framework.
10. fan frame as claimed in claim 1 or 2, wherein this installing department is a through hole.
11. a fan comprises:
One framework has at least one installing department, and a main air intake is set in this framework, and this framework is provided with at least one auxiliary inlet, and this auxiliary inlet is set to not be communicated with this installing department;
One motor is arranged in this framework; And
One impeller, sheathed and be connected in this motor, this wheel rotation of this motor driven.
12. a fan comprises:
One framework, have at least one installing department, a main air intake is set in this framework, this framework is provided with at least one auxiliary inlet, this auxiliary inlet is set to not be communicated with this installing department, and this auxiliary inlet is communicated with this main air intake obliquely from the first half of this framework;
One motor is arranged in this framework; And
One impeller, sheathed and be connected in this motor, this wheel rotation of this motor driven.
13. as claim 11 or 12 described fans, wherein this auxiliary inlet is arranged on the corner and/or the side of this framework.
14. fan as claimed in claim 11, wherein this auxiliary inlet is communicated with this main air intake with an angle of inclination.
15. as claim 12 or 14 described fans, wherein this angle of inclination is between 20 degree are spent to 50.
16. as claim 11 or 12 described fans, wherein this auxiliary inlet is arranged on the side of this installing department, and this installation site is in this framework corner.
17. as claim 11 or 12 described fans, wherein this auxiliary inlet can be communicated with this main air intake in 1/3 to 1/2 place along the inlet air direction from this framework.
18. as claim 11 or 12 described fans, wherein this installing department is a through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100890003A CN101275586A (en) | 2007-03-29 | 2007-03-29 | Fan and fan frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100890003A CN101275586A (en) | 2007-03-29 | 2007-03-29 | Fan and fan frame thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101275586A true CN101275586A (en) | 2008-10-01 |
Family
ID=39995347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100890003A Pending CN101275586A (en) | 2007-03-29 | 2007-03-29 | Fan and fan frame thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101275586A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979178A (en) * | 2016-10-24 | 2017-07-25 | 奇鋐科技股份有限公司 | Fan frame body and its fan with by-pass structure |
| JP2021060037A (en) * | 2020-12-17 | 2021-04-15 | 日本電産株式会社 | Axial flow fan and refrigerator |
-
2007
- 2007-03-29 CN CNA2007100890003A patent/CN101275586A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979178A (en) * | 2016-10-24 | 2017-07-25 | 奇鋐科技股份有限公司 | Fan frame body and its fan with by-pass structure |
| JP2021060037A (en) * | 2020-12-17 | 2021-04-15 | 日本電産株式会社 | Axial flow fan and refrigerator |
| JP7052857B2 (en) | 2020-12-17 | 2022-04-12 | 日本電産株式会社 | Axial fan and refrigerator |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081001 |