CN100529424C - Thermal fan without inverse flow characteristic - Google Patents
Thermal fan without inverse flow characteristic Download PDFInfo
- Publication number
- CN100529424C CN100529424C CNB2003101152535A CN200310115253A CN100529424C CN 100529424 C CN100529424 C CN 100529424C CN B2003101152535 A CNB2003101152535 A CN B2003101152535A CN 200310115253 A CN200310115253 A CN 200310115253A CN 100529424 C CN100529424 C CN 100529424C
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- fan
- radiation fan
- central part
- motor rotor
- fan blade
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Abstract
The heat dissipating fan without reflux characteristic includes mainly motor stator, frame, motor rotor and vanes. The frame has its air inlet side fixed via support structure onto the motor stator, and the motor rotor is set inside the frame and assembled onto the motor stator and is connected to the vanes on the air outlet side of the fan. The heat dissipating fan has increased air flow arean in the air outlet, no detention area below the vanes and thus increased heat dissipating arean and lowered noise.
Description
Technical field
The present invention relates to a kind of radiation fan that does not have reflux characteristic, particularly a kind of distinguished and admirable area that can significantly increase the radiation fan exhaust outlet, and make the below of fan blade not have the stagnant area generation, to reach the radiation fan that increases heat diffusion area and reduce the noise effect.
Background technique
Under the increase of the fast-developing of electrical assembly and running clock, the heating value of electrical assembly also with roll up, therefore how effectively to get rid of this a large amount of heat so that the electrical assembly running is smooth and easy, to being the major issue in the design.
See also Fig. 1 to the radiation fan of commonly using 1 shown in Figure 4, this radiation fan 1 mainly includes motor stator 11 and motor rotor 12, wherein on this motor stator 11 bearing housing 111 is arranged, group is provided with coil 112 around this bearing housing 111, group is provided with fan blade 122 around the hub portion 121 on this motor rotor 12, group is provided with an axle center 121a on this hub portion 121, and installed magnet 123 in the inner edge of this hub portion 121, after motor rotor 12 is mounted on motor stator 11, drive motor rotor 12 runnings via the interaction of coil 112 and magnet 123, please cooperate shown in Figure 5 again, when radiation fan 1 running, the factor of the distinguished and admirable existence because of hub portion 121 that is produced by fan blade 122, can below hub portion 121, form the air-flow stagnant area, make distinguished and admirable can't the circulation effectively smoothly, cause the radiating effect of radiation fan 1 integral body to be subjected to losing greatly.
Summary of the invention
Main purpose of the present invention provides a kind of radiation fan that increases the no reflux characteristic of exhaust outlet crosswind flow area.
Secondary objective of the present invention provides a kind of radiation fan that does not produce the no reflux characteristic of stagnant area under fan blade.
Another object of the present invention provides a kind of radiation fan of no reflux characteristic of low noise.
For achieving the above object, the technical solution used in the present invention is:
A kind of radiation fan that does not have reflux characteristic, mainly comprise motor stator, framework, motor rotor, wherein the inlet air oral-lateral of this framework is organized mutually with motor stator with supporting structure and is established, this motor rotor is arranged on the interior motor stator of framework, it is characterized in that: the below of this motor rotor is provided with fan blade, and this fan blade is positioned at the air-out oral-lateral of framework, in order to increase the distinguished and admirable area of exhaust outlet, cause the air-out oral-lateral not have the generation of stagnant area, to increase heat diffusion area and to reduce noise.
Preferable, technique scheme can also be added following technical characteristics:
This fan blade and motor rotor are one-body molded and be positioned at the below of this motor rotor.
This fan blade is mounted on a central part.
This central part becomes shaft-like.
The longitudinal section of this central part becomes taper, and the tip of this central part is positioned at the air-out oral-lateral of radiation fan.
The longitudinal section of this central part taper in echelon, and the planar ends of this central part is positioned at the air-out oral-lateral of radiation fan.
Group is provided with a Fixed Division on the central part of this fan blade, so that fan blade is fixed on the motor rotor.
This Fixed Division is an axle center.
This Fixed Division is a hook joint spare.
For achieving the above object, the technical solution used in the present invention also comprises:
A kind of radiation fan that does not have reflux characteristic, comprise motor stator, framework, motor rotor, wherein the inlet air oral-lateral of this framework is organized mutually with motor stator with supporting structure and is established, this motor rotor places on the interior motor stator of framework, it is characterized in that: the below of this motor rotor is provided with fan blade, and this fan blade partly extends to the outer ring surface of motor rotor, and make this fan blade be positioned at the air-out oral-lateral of radiation fan, use the distinguished and admirable area that promotes distinguished and admirable characteristic and then increase the radiation fan exhaust outlet, cause the lower end of fan blade not have the generation of stagnant area, to increase heat diffusion area and to reduce noise.
Preferable, technique scheme can also be added following technical characteristics:
This fan blade and motor rotor are one-body molded and be positioned at the below of this motor rotor.
This fan blade is mounted on a central part.
This central part becomes shaft-like.
The longitudinal section of this central part becomes taper, and the tip of this central part is positioned at the air-out oral-lateral of radiation fan.
The longitudinal section of this central part taper in echelon, and the planar ends of this central part is positioned at the air-out oral-lateral of radiation fan.
Group is provided with a Fixed Division so that fan blade is fixed on the motor rotor on the central part of this fan blade.
This Fixed Division is an axle center.
This Fixed Division is a hook joint spare.
For achieving the above object, the technical solution used in the present invention also comprises:
A kind of radiation fan that does not have reflux characteristic, comprise motor stator, framework, motor rotor, wherein the inlet air oral-lateral of this framework is organized mutually with motor stator with supporting structure and is established, this motor rotor is arranged on the motor stator of framework, it is characterized in that: the outer ring surface of this motor rotor has fan blade, and be provided with another fan blade in the below of motor rotor, and make fan blade be positioned at the air-out oral-lateral of radiation fan, to promote the distinguished and admirable area of distinguished and admirable characteristic and then increase radiation fan exhaust outlet, cause the lower end of fan blade not have the generation of stagnant area, to increase heat diffusion area and to reduce noise.
This fan blade and motor rotor are one-body molded and be positioned at the below of this motor rotor.
This fan blade is mounted on a central part.
The central part of this fan blade becomes shaft-like.
The longitudinal section of this central part becomes taper, and the tip of this central part is positioned at the air-out oral-lateral of radiation fan.
The longitudinal section of this central part taper in echelon, and the planar ends of this central part is positioned at the air-out oral-lateral of radiation fan.
Group is provided with a Fixed Division on the central part of this fan blade, so that fan blade is fixed on the motor rotor.
This Fixed Division is an axle center.
This Fixed Division is a hook joint spare.
The present invention is described in detail with instantiation below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the perspective exploded view of commonly using;
Fig. 2 is the perspective exploded view at another visual angle of Fig. 1;
Fig. 3 is the solid combination schematic representation of commonly using;
Fig. 4 is the solid combination schematic representation at another visual angle of Fig. 3;
Fig. 5 is the combination generalized section of commonly using;
Fig. 6 is the perspective exploded view of the first embodiment of the present invention;
Fig. 7 is the perspective exploded view at another visual angle of Fig. 6;
Fig. 8 is the solid combination schematic representation of the first embodiment of the present invention;
Fig. 9 is the solid combination schematic representation at another visual angle of Fig. 8;
Figure 10 is the combination generalized section of the first embodiment of the present invention;
Figure 11 is the perspective exploded view of the different mode of executions of first embodiment of the present invention central part;
Figure 12 is the solid combination schematic representation at another visual angle of Figure 11;
Figure 13 is the combination generalized section of Figure 11;
Figure 14 is the perspective exploded view of another different mode of executions of first embodiment of the present invention central part;
Figure 15 is the solid combination schematic representation at another visual angle of Figure 14;
Figure 16 is the combination generalized section of Figure 14;
Figure 17 is mounted on the schematic perspective view of the different mode of executions of motor rotor for the fan blade of the first embodiment of the present invention;
Figure 18 is mounted on the perspective exploded view of motor rotor for the fan blade that is not mounted on central part of Figure 17;
Figure 19 is mounted on the perspective exploded view of another different mode of executions of motor rotor for the fan blade of the first embodiment of the present invention;
Figure 20 is mounted on the perspective exploded view of motor rotor for the fan blade that is not mounted on central part of Figure 19;
Figure 21 is mounted on the perspective exploded view of the another different mode of executions of motor rotor for the fan blade of the first embodiment of the present invention;
Figure 22 is the perspective exploded view of the second embodiment of the present invention;
Figure 23 is the perspective exploded view at another visual angle of Figure 22;
Figure 24 is the solid combination schematic representation of the second embodiment of the present invention;
Figure 25 is the solid combination schematic representation at another visual angle of Figure 24;
Figure 26 is the perspective exploded view of the third embodiment of the present invention;
Figure 27 is the perspective exploded view at another visual angle of Figure 26;
Figure 28 is the combination generalized section of the third embodiment of the present invention;
Figure 29 is the motor rotor of the fourth embodiment of the present invention and the perspective exploded view of fan blade;
Figure 30 is the combination generalized section of the fourth embodiment of the present invention;
Figure 31 is the present invention and the performance curve schematic representation of commonly using fan;
Figure 32 is the present invention and noise and the thermal resistance value curve synoptic diagram commonly used.
Description of reference numerals: 1 radiation fan; 11 motor stators; 111 bearing housings; 112 coils; 12 motor rotors; 121 hub portion; The 121a axle center; 122 fan blade; 123 magnet; 2 radiation fans; 21 motor stators; 211 bearing housings; 212 coils; 22 frameworks; 221 inlet air oral-laterals; 222 supporting structures; 223 air-out oral-laterals; 23 motor rotors; 231 receiving portions; 232 magnet; 233 annular solids; 24 fan blade; 241 central parts; 25 Fixed Divisions; 341 central parts; The 341a tip; The 341b planar ends; 45 hook joint spares; 5 radiation fans; 51 motor stators; 511 bearing housings; 512 coils; 52 frameworks; 521 inlet air oral-laterals; 522 supporting structures; 523 air-out oral-laterals; 53 motor rotors; 531 receiving portions; 532 magnet; 533 outer ring surfaces; 54 fan blade; 541 central parts; 55 Fixed Divisions; 6 radiation fans; 61 motor stators; 61 2 coils; 62 frameworks; 621 inlet air oral-laterals; 622 supporting mechanisms; 623 air-out oral-laterals; 63 motor rotors; 632 magnet; 64 fan blade; 7 radiation fans; 723 air-out oral-laterals; 73 motor rotors; 731 outer ring surfaces; 732 fan blade; 74 fan blade; 81 curves; 82 curves; 83 curves; 84 curves; 85 curves; 86 curves.
Embodiment
The present invention is a kind of radiation fan that does not have reflux characteristic, sees also Fig. 6 to the first embodiment of the present invention shown in Figure 9, and this radiation fan 2 is by being made up of motor stator 21, framework 22, motor rotor 23 and fan blade 24 etc.; Wherein group is provided with coil 212 on the bearing housing 211 of this motor stator 21, and be incorporated into the inlet air oral-lateral 221 of this framework 22 by supporting structure 222, has a receiving portion 231 on this motor rotor 23, and winding has a magnet 232, wherein this fan blade 24 is mounted on a central part 241,241 one-tenth of this central parts are shaft-like, and in this central part 241 1 ends generation one Fixed Division 25 arranged, and this Fixed Division 25 can be an axle center.
The Fixed Division 25 of this fan blade 24 is coupling in the receiving portion 231 of motor rotor 23, so that fan blade 24 is engaged on the motor rotor 23, and the motor rotor 23 that group is provided with fan blade 24 is mounted on the bearing housing 211 of motor stator 21, this motor rotor 23 is arranged in the supporting structure 222 formed spaces of framework 22, and this fan blade 24 is positioned at the air-out oral-lateral 223 of radiation fan 2.
See also Figure 10, as shown in the figure, after radiation fan 2 energisings, be arranged in the supporting structure 222 formed spaces because of carrying on the motor rotor 23, and motor rotor 23 is not established again has known De Lun Grains portion, and adopt with the design of shaft-like central part 241 in conjunction with fan blade 24, therefore must make fan blade can form complete distinguished and admirable smoothly area for 24 times, the distinguished and admirable area of the air-out oral-lateral 223 of radiation fan 2 is increased, can avoid commonly using the shortcoming that produces the stagnant area because of the existence of hub portion in fan blade 24 belows, can thereby reduce the noise of radiation fan 2, to reach the effect that increases heat diffusion area and low noise.
Again, see also Figure 11 to Figure 13, the central part 341 of this fan blade 24 can be designed to taper, the most advanced and sophisticated 341a of this central part 341 is positioned at the air-out oral-lateral 223 of radiation fan 2, in order to air flows, the effect in order to do promoting heat radiation please cooperates again and consults Figure 14 to Figure 16, this central part 341 can be used when different radiator and be designed to trapezoidal taper, and this central part 341 planar ends 341b also are positioned at the air-out oral-lateral 223 of radiation fan 2.
See also Figure 17 and Figure 18, this fan blade 24 is mounted on central part (241,341), one-body molded and make fan blade 24 be positioned at the below of this motor rotor 23 with motor rotor 23 and Fixed Division 25, or as shown in figure 18, this fan blade 24 need not be mounted on central part (241,341), and directly and motor rotor 23 and Fixed Division 25 be shaped in the below of this motor rotor 23, again magnet 232 is mounted on the motor rotor 23; Also or as Figure 19 and shown in Figure 20, this fan blade 24 is mounted on central part (241,341) be positioned at the below of annular solid 233 and one-body molded with annular solid 233, this Fixed Division 25 and magnet 232 are mounted on motor rotor 23, again this annular solid 233 is mounted on the motor rotor 23, or as shown in figure 20, this fan blade 24 also can not need be mounted on central part (241,341) and is one-body molded with annular solid 233; Or as shown in figure 21, the Fixed Division 25 on the central part of this fan blade 24 (241,341) can be according to design or the actual demand when producing form hook joint spare 45 so that fan blade 24 hook joints in the receiving portion 231 of motor rotor 23.
Please cooperate Figure 22 to the second embodiment of the present invention shown in Figure 25 again, wherein group is provided with coil 512 on the bearing housing 511 of the motor stator 51 of this radiation fan 5, wherein offer supporting structure 522 on the inlet air oral-lateral 521 of this framework 52, wherein has a receiving portion 531 on this motor rotor 53, and winding has a magnet 532, wherein this fan blade 54 is mounted on a central part 541,541 one-tenth of this central parts are shaft-like, and generation has a Fixed Division 55 on this central part 541, this Fixed Division 55 is an axle center, and this fan blade 54 and have part to extend to the outer ring surface 533 of motor rotor 53; This motor stator 51 is arranged in supporting structure 522 on the framework 52; The Fixed Division 55 of this fan blade 54 is fixed in the receiving portion 531 of motor rotor 53, so that fan blade 54 is fixed on the motor rotor 53, the motor rotor 53 that group is provided with fan blade 54 is mounted on the bearing housing 511 of motor stator 51, and this fan blade 54 is positioned at the air-out oral-lateral 523 of radiation fan 5.
After radiation fan 5 energisings, the part that is mounted on the below of motor rotor 53 and this fan blade 54 because of fan blade 54 extends to the outer ring surface 533 of motor rotor 53, because of fan blade 54 areas increase, make this fan blade can form stronger distinguished and admirable of characteristic for 54 times, so that the distinguished and admirable increase of the air-out oral-lateral 523 of radiation fan 5, and the existence of can and avoiding commonly using because of hub portion produces the shortcoming of stagnant area 54 times in fan blade, and thereby reduce the noise of radiation fan 5, to reach the effect that increases heat diffusion area and low noise.
Please cooperate and consult Figure 26 to the third embodiment of the present invention shown in Figure 28, upwards reduction and be mounted on the supporting mechanism 622 of the inlet air oral-lateral 621 of framework 62 of the motor stator 61 that group in the radiation fan 6 is provided with coil 612, and be provided with the affixed fan blade 64 in motor rotor 63 belows of magnet 632 in group, and motor rotor 63 is mounted on the motor stator 61, at this kind mode of execution, the structure that does not change framework 62 can reach the effect of distinguished and admirable area that increases the air-out oral-lateral 623 of radiation fan 6 in the present invention, and has the less advantage of framework 62 volumes.
See also the Figure 29 and the fourth embodiment of the present invention shown in Figure 30, offer fan blade 732 on the outer ring surface 731 of this motor rotor 73, and the lower shaft in motor rotor 73 is connected to fan blade 74, the distinguished and admirable area of the air-out oral-lateral 723 of radiation fan 7 is increased, promote distinguished and admirable characteristic, and then increase the heat radiation function of radiation fan 7.
In second to the 4th embodiment of the present invention, in fan blade (54,64,74) be connected to central part (241,341) time, its central part (241,341) can be according to the aspect among first embodiment, this fan blade (54,64,74) with motor rotor (53,63,73) affixed mode can be used employed affixed aspect among first embodiment, the actual demand during with matching design or production.
See also Figure 31 and Figure 32, shown in the figure of institute, Figure 31 is the present invention and the performance curve schematic representation of commonly using fan, curve 81, curve 82 is a performance curve of the present invention, the performance curve of curve 83 for commonly using, wherein, curve 82 is the 4th embodiment's a performance curve, Figure 32 is the present invention and noise and the thermal resistance value curve synoptic diagram commonly used, curve 84, curve 85 is a relation curve of the present invention, the relation curve of curve 86 for commonly using, wherein, curve 85 is the 4th embodiment's a relation curve, thus two figure as can be known, the present invention is under the low performance characteristics commonly using radiation fan, can when identical level of noise, reach the less effect of thermal resistance value, especially, the 4th embodiment's assembling mode has preferable performance curve and can obtain distinguished and admirable preferably delivery efficiency, so radiating effect of the present invention is apparently higher than the radiation fan of commonly using.
The above only is preferable feasible embodiment of the present invention, and the variation that above-mentioned method, shape, structure, the device of all the present invention of utilization done all should be contained in protection scope of the present invention.
Claims (27)
1, a kind of radiation fan that does not have reflux characteristic, mainly comprise motor stator, framework, motor rotor, wherein the inlet air oral-lateral of this framework is organized mutually with motor stator with supporting structure and is established, this motor rotor is arranged on the interior motor stator of framework, it is characterized in that: the below of this motor rotor is provided with fan blade, and this fan blade is positioned at the air-out oral-lateral of framework, in order to increase the distinguished and admirable area of exhaust outlet, cause the air-out oral-lateral not have the generation of stagnant area, to increase heat diffusion area and to reduce noise.
2, the radiation fan of no reflux characteristic as claimed in claim 1, wherein this fan blade and motor rotor are one-body molded and be positioned at the below of this motor rotor.
3, the radiation fan of no reflux characteristic as claimed in claim 1, wherein this fan blade is mounted on a central part.
4, the radiation fan of no reflux characteristic as claimed in claim 3, wherein this central part becomes shaft-like.
5, the radiation fan of no reflux characteristic as claimed in claim 3, wherein the longitudinal section of this central part becomes taper, and the tip of this central part is positioned at the air-out oral-lateral of radiation fan.
6, the radiation fan of no reflux characteristic as claimed in claim 3, the wherein longitudinal section of this central part taper in echelon, and the planar ends of this central part is positioned at the air-out oral-lateral of radiation fan.
7, the radiation fan of no reflux characteristic as claimed in claim 3, wherein group is provided with a Fixed Division on the central part of this fan blade, so that fan blade is fixed on the motor rotor.
8, the radiation fan of no reflux characteristic as claimed in claim 7, wherein this Fixed Division is an axle center.
9, the radiation fan of no reflux characteristic as claimed in claim 7, wherein this Fixed Division is a hook joint spare.
10, a kind of radiation fan that does not have reflux characteristic, comprise motor stator, framework, motor rotor, wherein the inlet air oral-lateral of this framework is organized mutually with motor stator with supporting structure and is established, this motor rotor places on the interior motor stator of framework, it is characterized in that: the below of this motor rotor is provided with fan blade, and this fan blade partly extends to the outer ring surface of motor rotor, and make this fan blade be positioned at the air-out oral-lateral of radiation fan, use the distinguished and admirable area that promotes distinguished and admirable characteristic and then increase the radiation fan exhaust outlet, cause the lower end of fan blade not have the generation of stagnant area, to increase heat diffusion area and to reduce noise.
11, the radiation fan of no reflux characteristic as claimed in claim 10, wherein this fan blade and motor rotor are one-body molded and be positioned at the below of this motor rotor.
12, the radiation fan of no reflux characteristic as claimed in claim 10, wherein this fan blade is mounted on a central part.
13, the radiation fan of no reflux characteristic as claimed in claim 12, wherein this central part becomes shaft-like.
14, the radiation fan of no reflux characteristic as claimed in claim 12, wherein the longitudinal section of this central part becomes taper, and the tip of this central part is positioned at the air-out oral-lateral of radiation fan.
15, the radiation fan of no reflux characteristic as claimed in claim 12, the wherein longitudinal section of this central part taper in echelon, and the planar ends of this central part is positioned at the air-out oral-lateral of radiation fan.
16, the radiation fan of no reflux characteristic as claimed in claim 12, wherein group is provided with a Fixed Division so that fan blade is fixed on the motor rotor on the central part of this fan blade.
17, the radiation fan of no reflux characteristic as claimed in claim 16, wherein this Fixed Division is an axle center.
18, the radiation fan of no reflux characteristic as claimed in claim 16, wherein this Fixed Division is a hook joint spare.
19, a kind of radiation fan that does not have reflux characteristic, comprise motor stator, framework, motor rotor, wherein the inlet air oral-lateral of this framework is organized mutually with motor stator with supporting structure and is established, this motor rotor is arranged on the motor stator of framework, it is characterized in that: the outer ring surface of this motor rotor has fan blade, and be provided with another fan blade in the below of motor rotor, and make fan blade be positioned at the air-out oral-lateral of radiation fan, to promote the distinguished and admirable area of distinguished and admirable characteristic and then increase radiation fan exhaust outlet, cause the lower end of fan blade not have the generation of stagnant area, to increase heat diffusion area and to reduce noise.
20, the radiation fan of no reflux characteristic as claimed in claim 19, wherein this fan blade and motor rotor are one-body molded and be positioned at the below of this motor rotor.
21, the radiation fan of no reflux characteristic as claimed in claim 19, wherein this fan blade is mounted on a central part.
22, the radiation fan of no reflux characteristic as claimed in claim 21, wherein the central part of this fan blade becomes shaft-like.
23, the radiation fan of no reflux characteristic as claimed in claim 21, wherein the longitudinal section of this central part becomes taper, and the tip of this central part is positioned at the air-out oral-lateral of radiation fan.
24, the radiation fan of no reflux characteristic as claimed in claim 21, the wherein longitudinal section of this central part taper in echelon, and the planar ends of this central part is positioned at the air-out oral-lateral of radiation fan.
25, the radiation fan of no reflux characteristic as claimed in claim 21, wherein group is provided with a Fixed Division on the central part of this fan blade, so that fan blade is fixed on the motor rotor.
26, the radiation fan of no reflux characteristic as claimed in claim 25, wherein this Fixed Division is an axle center.
27, the radiation fan of no reflux characteristic as claimed in claim 25, wherein this Fixed Division is a hook joint spare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101152535A CN100529424C (en) | 2003-11-27 | 2003-11-27 | Thermal fan without inverse flow characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101152535A CN100529424C (en) | 2003-11-27 | 2003-11-27 | Thermal fan without inverse flow characteristic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1621697A CN1621697A (en) | 2005-06-01 |
| CN100529424C true CN100529424C (en) | 2009-08-19 |
Family
ID=34760359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101152535A Expired - Fee Related CN100529424C (en) | 2003-11-27 | 2003-11-27 | Thermal fan without inverse flow characteristic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100529424C (en) |
-
2003
- 2003-11-27 CN CNB2003101152535A patent/CN100529424C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1621697A (en) | 2005-06-01 |
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Granted publication date: 20090819 Termination date: 20171127 |