CN102022354A - Heat radiating fan - Google Patents
Heat radiating fan Download PDFInfo
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- CN102022354A CN102022354A CN200910176451XA CN200910176451A CN102022354A CN 102022354 A CN102022354 A CN 102022354A CN 200910176451X A CN200910176451X A CN 200910176451XA CN 200910176451 A CN200910176451 A CN 200910176451A CN 102022354 A CN102022354 A CN 102022354A
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- housing
- radiation fan
- wall
- fixed base
- framework
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Abstract
A heat radiating fan comprises a frame body, a first housing, a second housing, and a motor. The frame body is provided with an air inlet and an air outlet, and an air-flow channel which is provided with a fixing base therein between the air inlet and the air outlet. The fixing base is connected with the frame body by a plurality of connecting pieces, and axially provided with a plurality of first location holes. The first housing which is made from the magnetic conductive material has an outer combination wall, is structured as an expanding wall at one end and a support portion at the other end, and is provided with a plurality of second location holes corresponding with the plurality of first location holes of the frame body. The plurality of second location holes are used to combine the first housing with the frame body by positioning components. The second housing which is assembled in the interior of the expanding wall of the first housing is provided with a second support portion. The motor which is arranged in the interior of the first housing includes a rotor and a stator, wherein the rotor comprises a rotating shaft and a magnetic component, the rotating shaft which is combined with an impeller is pivoted on the first support portion and the second support portion, and the magnetic component is provided on the rotating shaft to position the stator. A circuit board is electrically connected with the stator.
Description
Technical field
The present invention relates to a kind of radiation fan, particularly a kind of radiation fan of processing, make and assembling of being easy to.
Background technique
Please refer to shown in Figure 1, TaiWan, China discloses " fan and inner rotor motor thereof " patent of invention case No. 200744290, this patent case discloses a kind of existing radiation fan 80, and this radiation fan 80 roughly comprises a housing 81, a stator structure 82, a rotor structure 83, a drive unit 84 and an impeller 85.This housing 81 is made up of one first housing 811 and one second housing 812, and this first housing 811 and second housing 812 are fixed by positioning elements such as screw or rivet 813; This stator structure 82 has a magnetic conductive component 821; This rotor structure 83 has a rotating shaft 831 and a magnetic element 832, this rotating shaft 831 wears to this housing 81 inside, and support these rotating shafts 831 to make position rotating by a clutch shaft bearing 833 and one second bearing 834, and this magnetic element 832 is placed in this rotating shaft 831 and to should magnetic conductive component 821; This drive unit 84 is electrically connected this magnetic conductive component 821; This impeller 85 links this rotating shaft 831 and is positioned at this housing 81 outsides.Whereby, the current direction of this this magnetic conductive component 821 of drive unit 84 may command so that produce the effect of magnetic interlinkage with this magnetic element 832, and then drives this rotor structure 83 and impeller 85 rotations.
When should existing radiation fan 80 desiring to dispel the heat at various electronic product, because this radiation fan 80 does not have the design of housing, so the air-flow that is produced when causing these impeller 85 runnings can't effectively be guided a predetermined heating position that is concentrated to this electronic product, therefore, the radiating effect of this existing radiation fan 80 is not good.
Please refer to shown in Figure 2ly, disclose a kind of existing radiation fan 90 with fan frame, this radiation fan 90 comprises fan frame 91, a motor 92, an impeller 93 and a circuit board 94.This fan frame 91 is with plastic material ejection formation one a fan frame portion 911 and a motor shell 912, and this motor shell 912 is positioned at this fan frame portion 911 inboards, and this motor shell 912 is connected the fan frame portion 911 that is held in of propping up by links such as rib 913; This motor 92 is incorporated into the inside of this motor shell 912 and comprises a rotating shaft 921, a magnetic element 922 and a stator 923, this rotating shaft 921 is articulated by two bearings 924, and rotating shaft 921 1 ends pass to this motor shell 912 outsides, and this magnetic element 922 is in conjunction with this rotating shaft 921 and this stator 923 of contraposition; This impeller 93 is incorporated into an end of this rotating shaft 921 and is positioned at the outside of this motor shell 912; This circuit board 94 is electrically connected this stator 923.Whereby, can utilize this motor 92 to drive this impeller 93 rotations, so that a predetermined heat dissipation effect to be provided.
Should mainly form this fan frame 91 by existing radiation fan 90, so that the air-flow that is produced when utilizing concentrated this impeller 93 of the design guide of this fan frame 91 to turn round with injection molding method.Because the motor shell 912 of this fan frame 91 is made with the plastic material ejection formation, therefore, between these circuit board 94 these stators 923 of control and this magnetic element 922, produce in the process of magnetic interlinkage effect, this motor shell 912 itself can't provide an envelope magnetic action, so be easy to generate the leakage field phenomenon, also can cause the problem of electromagnetic interference on the other hand, make the running usefulness of this impeller 93 be affected, and then reduce the radiating effect of this existing radiation fan 90.And, this magnetic element 922, stator 923 and circuit board 94 etc. are assembled in this fan frame portion 911 and motor shell 912 inboards, difficulty also seems.Particularly, when fan frame 91, motor 92 and the impeller 93 of this radiation fan 90 is large-size, when perhaps should fan frame 91 making for metal material, this structure obviously can't be convenient to manufacturing.
Summary of the invention
For improveing above-mentioned shortcoming, the object of the present invention is to provide a kind of radiation fan, this radiation fan has preferable radiating effect.
Of the present invention time a purpose is to provide a kind of radiation fan, and this radiation fan can be easy to assembling, makes this radiation fan be easy to processing and also can reduce production costs.
A further object of the present invention is to provide a kind of radiation fan, and the precision of the assembling of this radiation fan is preferable.
Another purpose of the present invention is to provide a kind of radiation fan, and this radiation fan goes for big molded dimension or the framework of metal shell is arranged.
Another purpose of the present invention is to provide a kind of radiation fan, and this radiation fan can effectively prevent to produce the leakage field phenomenon and stop electromagnetic interference.
For reaching aforementioned goal of the invention, radiation fan of the present invention includes a framework, one first housing, one second housing and a motor, this framework has an intake grill and an exhaust outlet, has an air-flow path between this intake grill and the exhaust outlet, this air-flow path is provided with a fixed base, utilize several links to interconnect between this fixed base and this framework, this fixed base is axially arranged with several first positioning holes; This first housing is made by permeability magnetic material, this first housing has outer reaching in conjunction with wall and at one end forms a hole enlargement wall, the other end of this first housing forms one first support part, this first housing is provided with several second positioning holes, this several second positioning hole is corresponding with several first positioning holes of framework, for positioning element this first housing is combined with framework; This second housing is assembled in the hole enlargement pars intramuralis of this first housing, and this second housing is provided with one second support part; This motor is arranged at this first enclosure interior and comprises a rotor and a stator, this rotor has a rotating shaft and a magnetic element, this rotating shaft is articulated in above-mentioned first support part and second support part, and this rotating shaft is in conjunction with an impeller, and this magnetic element is located at this rotating shaft and this stator of contraposition; And a circuit board, be electrically connected this stator.
Radiation fan of the present invention can also include a framework, have an intake grill and an exhaust outlet, has an air-flow path between this intake grill and the exhaust outlet, this air-flow path is provided with a fixed base, utilize several links to interconnect between this fixed base and this framework, this fixed base is axially arranged with first positioning hole; One first housing, make by permeability magnetic material, this first housing has outside one in conjunction with wall, and an end of this first housing is established a lip that radially extends, this lip is provided with second positioning hole, this second positioning hole is corresponding with first positioning hole of framework, for positioning element this first housing is combined with framework, and the other end of this first housing forms one first support part; One second housing is assembled in the inside of this first housing, and this second housing is provided with one second support part; One motor, be arranged at this first enclosure interior and comprise a rotor and a stator, this rotor has a rotating shaft and a magnetic element, and this rotating shaft is articulated in this first support part and second support part, and this rotating shaft is in conjunction with an impeller, and this magnetic element is located at this rotating shaft and this stator of contraposition; And a circuit board, be electrically connected this stator.
Above-mentioned radiation fan, wherein first support part of this first housing is in conjunction with a clutch shaft bearing, and second support part of this second housing is in conjunction with one second bearing.
Above-mentioned radiation fan, wherein this fixed base has a hole, and the outer of this first housing becomes to combine closely with the seat hole of this fixed base in conjunction with wall.
Above-mentioned radiation fan, wherein the outer of this first housing is positive toroidal in conjunction with the cross section of wall and the seat Kong Jun of this fixed base.
Above-mentioned radiation fan, wherein this first housing forms a hole enlargement wall in conjunction with wall one end outside this, and this lip radially extends to form in the end of this hole enlargement wall.
Above-mentioned radiation fan, wherein the hole enlargement wall of this first housing becomes to combine closely with the seat hole of this fixed base.
Above-mentioned radiation fan, wherein the seat Kong Jun of the cross section of the hole enlargement wall of this first housing and this fixed base is positive toroidal.
Above-mentioned radiation fan, wherein the link between this fixed base and this framework is a rib.
Above-mentioned radiation fan, wherein the link between this fixed base and this framework is a stator blade.
Above-mentioned radiation fan, wherein this second housing is established a connecting part, this connecting part can for a side of this circuit board against, the opposite side of this circuit board for the periphery of a cover plate against.
Above-mentioned radiation fan, wherein the hole enlargement wall of this first housing is provided with several positioning parts, and this positioning part is recessed towards the center of circle direction of this first housing, in order to fix this circuit board and cover plate.
Above-mentioned radiation fan, wherein this second housing is assembled in the hole enlargement pars intramuralis of this first housing.
Above-mentioned radiation fan, wherein this second housing is provided with several conjunctions, and these several conjunctions combine with cover plate.
Above-mentioned radiation fan, wherein this circuit board is provided with several positioning holes, and this positioning hole passes through for the conjunction of this second housing.
Above-mentioned radiation fan, this first support part and combine outward shoulder of the poor formation in footpath of wall wherein, this shoulder is provided with several radiation holes.
Above-mentioned radiation fan, wherein this second housing is provided with several radiation holes.
Owing to have said structure, the present invention has following advantage compared to existing technology:
1, radiation fan of the present invention owing to be provided with framework, makes the air-flow that this impeller drove to flow towards a predetermined direction, makes radiation fan of the present invention have preferable radiating effect.
2, radiation fan of the present invention because this first housing and framework can the separate machined manufacturings, makes radiation fan of the present invention can be easy to assembling and is easy to processing also can reduce production costs.
3, radiation fan of the present invention, because this first housing and second housing can be in turning manufacturing modes, making the assembling of this first housing and second housing can have preferable precision.
4, radiation fan of the present invention because this first housing and framework can the separate machined manufacturings, makes the present invention go for making the radiation fan of various big molded dimensions, or can make this framework with metal.
5, radiation fan of the present invention because this first housing can be made by permeability magnetic material, makes radiation fan of the present invention can effectively prevent the effect that produces the leakage field phenomenon and have the electromagnetic interference stopped.
Description of drawings
Fig. 1 is existing radiation fan assembled sectional view;
Fig. 2 is existing assembled sectional view with radiation fan of fan frame;
Fig. 3 is the three-dimensional exploded view of the radiation fan of first embodiment of the invention;
Fig. 4 is the assembled sectional view of the radiation fan of first embodiment of the invention;
Fig. 5 is the three-dimensional exploded view of the radiation fan of second embodiment of the invention;
Fig. 6 is the assembled sectional view of the radiation fan of second embodiment of the invention.
[primary component symbol description]
(the present invention)
1 framework, 11 intake grills, 12 exhaust outlets, 13 fixed bases
17 holes of 14 link 15 first positioning holes, 16 positioning elements
2 first housings 21 are outer in conjunction with wall 22 hole enlargement walls 23 first support parts
24 shoulders, 25 second positioning holes, 26 clutch shaft bearings, 27 shoulders
28 radiation holes, 29 positioning parts, 3 second housings, 31 second support parts
32 second bearings, 33 connecting parts, 34 cover plates, 35 radiation holes
4 motors, 41 rotors, 411 rotating shafts, 412 connecting parts
413 magnetic elements, 42 stators, 43 impellers, 431 connecting parts
432 buckling members, 44 slow member 5 circuit boards 51 insulation boards of pressing
5 ' circuit board, 52 ' positioning hole, 6 first housings 61 are outer in conjunction with wall
62 hole enlargement walls, 63 first support parts, 64 lips, 65 second positioning holes
66 clutch shaft bearings, 67 shoulders, 68 radiation holes, 7 second housings
71 second support parts, 72 second bearings, 73 connecting parts, 74 cover plates
741 joining holes, 75 conjunctions, 76 radiation holes
(having now)
80 radiation fans, 81 housings, 811 first housings, 812 second housings
813 positioning elements, 82 stator structures, 821 magnetic conductive components, 83 rotor structures
831 rotating shafts, 832 magnetic elements, 833 clutch shaft bearings, 834 second bearings
84 drive units, 85 impellers, 90 radiation fans, 91 fan frames
912 motor shells, 913 links, 92 motors, 921 rotating shafts of 911 fan frame portions
922 magnetic elements, 923 stators, 924 bearings, 93 impellers, 94 circuit boards
Embodiment
For above-mentioned and other purpose of the present invention, feature and advantage can be become apparent, preferred embodiment of the present invention cited below particularly, and conjunction with figs. are described in detail below:
Please refer to shown in Fig. 3 and 5, it discloses the radiation fan of first embodiment of the invention, and this radiation fan mainly comprises a framework 1, one first housing 2, one second housing 3, a motor 4 and a circuit board 5.This first housing 2 is incorporated into this fan frame 1 inboard, and this second housing 3 is incorporated into this first housing 2, and this motor 4 is arranged at first housing 2 and second housing, 3 inside of this combination; This circuit board 5 is electrically connected this motor 4.Whereby, can utilize this circuit board 5 to control this motor 4 and drive an impeller 43 rotation starts, and guide the air-flow that is produced when concentrated this impeller 43 turns round by this framework 1.
First housing 2 is by the made hollow casing of permeability magnetic material, and this first housing 2 is preferable to be made by metallic material, and via punching out or turning processing mode, makes this first housing 2 have inwall the best of positive toroidal.This first housing 2 has outside one in conjunction with wall 21, should be outer in conjunction with 17 one-tenth corresponding shapes in hole of outer surface with the fixed base 13 of wall 21, make outside this and can form friction tight this hole 17 that is fixed on, in the middle of present embodiment, be all circle in conjunction with a wall 21 and a seat hole 17 outside this in conjunction with wall 21; One end of this first housing 2 forms a hole enlargement wall 22, and the other end of this first housing 2 forms one first support part 23; This hole enlargement wall 22 forms a shoulder 24 with the big path difference that combines wall 21 outward, this shoulder 24 is provided with several second positioning holes 25, this several second positioning hole 25 is corresponding with several first positioning holes 15, makes this positioning element 16 can be with 1 one-tenth firm combination of this first housing 2 and framework.First support part 23 of this first housing 2 can support a clutch shaft bearing 26, and this first support part 23 forms a shoulder 27 with the big path difference that combines wall 21 outward, and this shoulder 27 can be established several radiation holes 28.The hole enlargement wall 22 of this first housing 2 can also be established several positioning parts 29, and this positioning part 29 can be recessed to the center of circle direction of first housing 2.
As shown in Figure 4, it is for radiation fan first embodiment's of the present invention assembling situation, at first clutch shaft bearing 26 is fixed on first support part 23 in this first housing 2, and the stator 42 of motor 4 is fixed in first housing 2 with respect to outward in conjunction with wall 21 positions, at this moment, utilize positioning element 16 that this first housing 2 is fixed on the fixed base 13 of this framework 1 earlier, so, again this this rotor 41 is passed behind this clutch shaft bearing 26 again in conjunction with this impeller 43 by first end of rotating shaft 411; After this second housing 3 is inserted second bearing 32 by its second support part 31 earlier, this second housing 3 is fixed on hole enlargement wall 22 inboards of this first housing 2, and this second bearing 32 is set on second end of this rotating shaft 411, then this circuit board 5 is incorporated into this second housing 3 respectively with cover plate 34, utilize variety of ways such as punching press, make the positioning part 29 of this first housing 2 recessed, in order to fix this cover plate 34 and circuit board 5, so as to constituting radiation fan of the present invention to the distortion of center of circle direction.
The radiation fan of first embodiment of the invention, owing to be provided with framework 1, so, the radiation fan of first embodiment of the invention is except can effectively guiding impeller 43 rotation institute gas driving flow, when this framework 1 is selected plastic material for use or is made with metallic material, the present invention also goes for making various big molded dimension radiation fan demands, and the processing of this radiation fan and the assembling also comparatively convenient.Again and, when this first housing 2 was made by permeability magnetic material, this first housing 2 be except can providing the envelope magnetic action, produced outside the generation of leakage field phenomenon and electromagnetic interference effectively avoiding.And because the manufacturing processing mode of this first housing 2, this first housing 2 can be closely and is fixed on this fixed base 13 securely, more and at the inwall of this first housing 2 be processed under the concentric circle state, when this second housing 3 was fixed on these first housing, 2 inside by outer periphery one-tenth is friction tight, the assembling of this first housing 2 and second housing 3 had preferable precision.
As shown in Figure 5, it discloses the radiation fan of second embodiment of the invention, this radiation fan comprises a framework 1, one first housing 6, one second housing 7, a motor 4 and a circuit board 5 ' equally, and this motor 4 is identical with the structure characteristic that aforementioned first embodiment is disclosed, and repeats no more for this reason.
In the middle of present embodiment, this framework 1 is also selected plastic material for use or is made with metallic material, this framework 1 has an intake grill 11 and an exhaust outlet 12, form an air-flow path between this intake grill 11 and the exhaust outlet 12, be provided with a fixed base 13 at this air-flow path, this fixed base 13 has a seat hole 17 that connects, can utilize several links 14 to interconnect between this fixed base 13 and this framework 1, respectively this link 14 can be selected structures such as rib or stator blade for use, this fixed base 13 has suitable radial thickness and axial length, and several first positioning holes 15 that is axially arranged with according to this fixed base 13, this several first positioning hole 15 can be for positioning element 16 combinations, in order to fix first housing 2, in the middle of present embodiment, these fixed base 13 contiguous these exhaust outlets 12.
First housing 6 is also by the made hollow casing of permeability magnetic material, preferablely made by metallic material, and via punching out or turning processing mode, makes this first housing 2 have inwall the best of positive toroidal.This first housing 6 has outer reaching in conjunction with wall 61 and form a hole enlargement wall 62 in conjunction with wall 61 1 end limits outside this, 13 one-tenth corresponding shapes of the outer surface of this hole enlargement wall 62 and fixed base, in the middle of present embodiment, this the two be circular, makes this first housing 6 can form the seat hole 17 that is fixed on this fixed base 13 closely by this hole enlargement wall 62; A lip 64 that radially extends is established in the bottom of this first housing 6, this lip 64 radially extends to form in the end of this hole enlargement wall 62, this lip 64 is provided with several second positioning holes 65, this several second positioning hole 65 is corresponding with several first positioning holes 15, makes this positioning element 16 can be with 1 one-tenth firm combination of this first housing 6 and framework.The other end of this first housing 6 forms one first support part 63, and this first support part 63 can support a clutch shaft bearing 26, and this first support part 63 forms a shoulder 67 with the big path difference that combines wall 61 outward, and this shoulder 67 can be established several radiation holes 68.
This second housing 7 forms friction tight hole enlargement wall 62 inside that are assembled in this first housing 6 by the outer periphery, and this second housing 7 is provided with one second support part 71, and this second support part 71 can support one second bearing 72.This second housing 7 is established a connecting part 73, this connecting part 73 can for a circuit board 5 ' against, and this second housing 7 is established several conjunctions 75, this conjunction 75 can be in conjunction with a cover plate 74, in the middle of present embodiment, this cover plate 74 is a plastic cement material, and this conjunction 75 directly is buckled in the joining hole 741 of this cover plate 74.This second housing 7 itself also can be established several radiation holes 76.
Circuit board 5 ' is arranged between this second housing 7 and the cover plate 74, and this circuit board 5 ' is electrically connected this stator 42, and this circuit board 5 ' can also be established several positioning holes 52 ' at peripheral position, and this positioning hole 52 ' passes through for the conjunction 73 of second housing 7.
Please read shown in Figure 6, radiation fan second embodiment's of the present invention assembling is except can be identical with first embodiment, in the middle of present embodiment, clutch shaft bearing 66 can also be fixed on first support part 63 in this first housing 6, and the stator 42 of motor 4 is fixed in first housing 6 with respect to outward in conjunction with wall 61 positions, again first end of this rotor 41 by rotating shaft 411 passed to this clutch shaft bearing 66; After this second housing 7 is inserted second bearing 72 by its second support part 71 earlier, this second housing 7 closely is fixed on hole enlargement wall 62 inboards of this first housing 6, and this second bearing 72 is set on second end of this rotating shaft 411, again this circuit board 5 ' is incorporated into this second housing 7 respectively with cover plate 74, then should in conjunction with motor 4, second housing 7 and circuit board 5 ' closely are fixed on the seat hole 17 of this framework 1 set fixed base 13 by the hole enlargement wall 62 of first housing 6, and pass first positioning hole 15 that second positioning hole 65 is combined in fixed base 13 by positioning element 16, make this first housing 6 can be for firmly fix surely, rotating shaft 411 first ends that again this are piercing in clutch shaft bearing 66 are in conjunction with impeller 43, so as to constituting radiation fan of the present invention.
The radiation fan of second embodiment of the invention, except that with have identical effect and effect shown in first embodiment, this second embodiment's radiation fan the assembling on more convenient.
Claims (17)
1. radiation fan is characterized in that comprising:
A framework, have an intake grill and an exhaust outlet, have an air-flow path between this intake grill and the exhaust outlet, this air-flow path is provided with a fixed base, utilize several links to interconnect between this fixed base and this framework, this fixed base is axially arranged with first positioning hole;
One first housing, make by permeability magnetic material, this first housing has one outward in conjunction with wall, one end of this first housing forms a hole enlargement wall, this hole enlargement wall and the shoulder of the poor formation in footpath that combines wall outward, this shoulder is provided with second positioning hole, and this second positioning hole is corresponding with first positioning hole of framework, positioning element combines this first housing with framework whereby, and the other end of this first housing forms one first support part;
One second housing is assembled in the hole enlargement pars intramuralis of this first housing, and this second housing is provided with one second support part;
A motor, be arranged at this first enclosure interior and comprise a rotor and a stator, this rotor has a rotating shaft and a magnetic element, and this rotating shaft is articulated in this first support part and second support part, and this rotating shaft is in conjunction with an impeller, and this magnetic element is located at this rotating shaft and this stator of contraposition; And
A circuit board is electrically connected this stator.
2. radiation fan is characterized in that comprising:
A framework, have an intake grill and an exhaust outlet, have an air-flow path between this intake grill and the exhaust outlet, this air-flow path is provided with a fixed base, utilize several links to interconnect between this fixed base and this framework, this fixed base is axially arranged with first positioning hole;
One first housing, make by permeability magnetic material, this first housing has one outward in conjunction with wall, and an end of this first housing is provided with a lip that radially extends, this lip is provided with second positioning hole, this second positioning hole is corresponding with first positioning hole of framework, and positioning element combines this first housing with framework whereby, and the other end of this first housing forms one first support part;
One second housing is assembled in the inside of this first housing, and this second housing is provided with one second support part;
A motor, be arranged at this first enclosure interior and comprise a rotor and a stator, this rotor has a rotating shaft and a magnetic element, and this rotating shaft is articulated in this first support part and second support part, and this rotating shaft is in conjunction with an impeller, and this magnetic element is located at this rotating shaft and this stator of contraposition; And
A circuit board is electrically connected this stator.
3. radiation fan according to claim 1 and 2 is characterized in that: first support part of this first housing is in conjunction with a clutch shaft bearing, and second support part of this second housing is in conjunction with one second bearing.
4. radiation fan according to claim 1 is characterized in that: this fixed base has a hole, and the outer of this first housing becomes to combine closely with the seat hole of this fixed base in conjunction with wall.
5. radiation fan according to claim 4 is characterized in that: the outer of this first housing is positive toroidal in conjunction with the cross section of wall and the seat Kong Jun of this fixed base.
6. radiation fan according to claim 2 is characterized in that: this first housing forms a hole enlargement wall in conjunction with wall one end outside this, and this lip radially extends to form in the end of this hole enlargement wall.
7. radiation fan according to claim 6 is characterized in that: the hole enlargement wall of this first housing becomes to combine closely with the seat hole of this fixed base.
8. radiation fan according to claim 7 is characterized in that: the seat Kong Jun of the cross section of the hole enlargement wall of this first housing and this fixed base is positive toroidal.
9. radiation fan according to claim 1 and 2 is characterized in that: the link between this fixed base and this framework is a rib.
10. radiation fan according to claim 1 and 2 is characterized in that: the link between this fixed base and this framework is a stator blade.
11. according to claim 1 or 6 described radiation fans, it is characterized in that: this second housing is established a connecting part, a side of this circuit board is against this connecting part, and the periphery of a cover plate is resisted against the opposite side of this circuit board.
12. radiation fan according to claim 11 is characterized in that: the hole enlargement wall of this first housing is provided with several positioning parts, and those positioning parts are recessed towards the center of circle direction of this first housing, fix this circuit board and cover plate whereby.
13. radiation fan according to claim 6 is characterized in that: this second housing is assembled in the hole enlargement pars intramuralis of this first housing.
14. radiation fan according to claim 1 and 2 is characterized in that: this second housing is provided with several conjunctions, and these several conjunctions combine with cover plate.
15. radiation fan according to claim 14 is characterized in that: this circuit board is provided with several positioning holes, and the conjunction of this second housing is by this positioning hole.
16. radiation fan according to claim 1 and 2 is characterized in that: this first support part and the shoulder of the poor formation in footpath that combines wall outward, this shoulder is provided with several radiation holes.
17. radiation fan according to claim 1 and 2 is characterized in that: this second housing is provided with several radiation holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910176451XA CN102022354B (en) | 2009-09-15 | 2009-09-15 | Heat radiating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910176451XA CN102022354B (en) | 2009-09-15 | 2009-09-15 | Heat radiating fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102022354A true CN102022354A (en) | 2011-04-20 |
| CN102022354B CN102022354B (en) | 2012-05-30 |
Family
ID=43864022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910176451XA Active CN102022354B (en) | 2009-09-15 | 2009-09-15 | Heat radiating fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102022354B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808801A (en) * | 2011-05-31 | 2012-12-05 | 富准精密工业(深圳)有限公司 | Heat dissipation fan |
| CN105090099A (en) * | 2014-05-15 | 2015-11-25 | 建准电机工业股份有限公司 | Ceiling fan motor |
| CN110454416A (en) * | 2019-09-04 | 2019-11-15 | 小狗电器互联网科技（北京）股份有限公司 | A kind of blower and dust catcher |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509497B (en) * | 2008-02-15 | 2010-11-17 | 建准电机工业股份有限公司 | Radiator fan |
| CN201284749Y (en) * | 2008-10-06 | 2009-08-05 | 建准电机工业股份有限公司 | Inner rotor type cooling fan |
-
2009
- 2009-09-15 CN CN200910176451XA patent/CN102022354B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808801A (en) * | 2011-05-31 | 2012-12-05 | 富准精密工业(深圳)有限公司 | Heat dissipation fan |
| CN105090099A (en) * | 2014-05-15 | 2015-11-25 | 建准电机工业股份有限公司 | Ceiling fan motor |
| CN110454416A (en) * | 2019-09-04 | 2019-11-15 | 小狗电器互联网科技（北京）股份有限公司 | A kind of blower and dust catcher |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102022354B (en) | 2012-05-30 |
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