CN102338102B - Fan structure - Google Patents
Fan structure Download PDFInfo
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- CN102338102B CN102338102B CN2010102328722A CN201010232872A CN102338102B CN 102338102 B CN102338102 B CN 102338102B CN 2010102328722 A CN2010102328722 A CN 2010102328722A CN 201010232872 A CN201010232872 A CN 201010232872A CN 102338102 B CN102338102 B CN 102338102B
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- coiling group
- framework
- permanent magnet
- fan structure
- rotor assembly
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Abstract
The invention discloses a fan structure which comprises a frame body, a magnetic conduction component, a winding set and a rotor assembly. The frame body is provided with an inside surface. The magnetic conduction component is wrapped on the inside surface of the frame body. The winding set is arranged around the magnetic conduction component. The rotor assembly is rotatably arranged in the frame body. The rotor assembly comprises a plurality of fan blades and a permanent magnet. The plurality of fan blades are combined with a rotating shaft. The permanent magnet is around the plurality of fan blades, is combined with the plurality of fan blades, and corresponds to the winding set. By means of an electromagnetic action between the permanent magnet and the winding set, the rotor assembly rotates to drive the plurality of fan blades to rotate by taking the rotating shaft as the centre, so that airflow is generated.
Description
Technical field
The present invention relates to a kind of fan structure, particularly relate to that a kind of magnetic conduction construction that makes stator becomes the part of framework and the fan structure of strengthening framework.
Background technique
The housing of existing fan structure mostly is plastic frame.Plastic frame, because structural rigidity is lower, runs into the external power of impulsing, and is easy to evoke mesomerism.For fear of this phenomenon, the scheme of solution has two kinds, and a kind of scheme is to change receptacle material, change material, increasing structural rigidity, to suppress vibration, is generally to adopt aluminium extruded framework processed, but can improve like this cost of manufacture, another kind of scheme is to make the form of motor into three-phase motor, and to change cogging torque (cogging torque), but this mode is just removed the frequency that impulses (quadruple makes 12 frequencys multiplication into), the frequency that impulses does not disappear fully, can't effectively eliminate vibration.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of fan structure, it is the part as fan frame body with the magnetic conduction construction in stator, suppress vibration with the strengthening framework, and the coiling of collocation slot-less motor, and form a kind of stator outside and rotor at interior slot-less motor structure, thoroughly to eliminate cogging torque, to reach the purpose of fan zero vibration.
For reaching above-mentioned purpose, a preferred embodiment of fan structure of the present invention comprises a framework, a magnetic conductive component, a coiling group and a rotor assembly.Framework has an internal surface, and magnetic conductive component coats the internal surface of framework, and the coiling group is around the magnetic conductive component setting, and rotor assembly rotatably is located in framework.Rotor assembly comprises a plurality of flabellums and a permanent magnet.The plurality of flabellum is incorporated into a rotating shaft, permanent magnet around and be incorporated into the plurality of flabellum and with respect to the coiling group, by the electromagnetic action between permanent magnet and coiling group, rotor assembly is rotated and drive the plurality of flabellum to rotate to produce air-flow centered by rotating shaft.
In above-mentioned preferred embodiment, the outer circumferential face size of coiling group is corresponding to the inner peripheral surface size of magnetic conductive component.
In above-mentioned preferred embodiment, the inner peripheral surface that the coiling group forms ring-type and magnetic conductive component is cylindric, and the external diameter of coiling group coordinates the internal diameter of magnetic conductive component.
In above-mentioned preferred embodiment, the outer circumferential face of coiling group is connected to the inner peripheral surface of magnetic conductive component.
In above-mentioned preferred embodiment, permanent magnet forms ring-type and with respect to the inboard of coiling group.
In above-mentioned preferred embodiment, the outward edge of the plurality of flabellum is connected in a peripheral ring, and permanent magnet is incorporated into peripheral ring and can rotates around the shaft.
In above-mentioned preferred embodiment, rotor assembly more comprises an iron hoop, is located between peripheral ring and permanent magnet.
In above-mentioned preferred embodiment, the plurality of flabellum is connected in an axle sleeve, and axle sleeve is socketed on a bearing, and bearing is incorporated into rotating shaft.
In above-mentioned preferred embodiment, peripheral ring, the plurality of flabellum and axle sleeve are integrally formed.
In above-mentioned preferred embodiment, magnetic conductive component is the silicon steel plate module, integrally formed with framework.Framework is coated on the silicon steel plate module in the mode of injection molded, and framework is made with plastic material.
Another preferred embodiment of fan structure of the present invention is directly with permeability magnetic material, to form framework, and it comprises a framework, a coiling group and a rotor assembly.Framework is made with permeability magnetic material, has an internal surface, and the coiling group is around the internal surface setting of framework, and rotor assembly rotatably is located in framework, and rotor assembly comprises a plurality of flabellums and a permanent magnet.The plurality of flabellum is incorporated into a rotating shaft, permanent magnet around and be incorporated into the plurality of flabellum and with respect to the coiling group, by the electromagnetic action between permanent magnet and coiling group, rotor assembly is rotated and drive the plurality of flabellum to rotate to produce air-flow centered by rotating shaft.
In above-mentioned preferred embodiment, the outer circumferential face size of coiling group is corresponding to the size of internal surface.
In above-mentioned preferred embodiment, the coiling group forms ring-type, and the external diameter of coiling group coordinates the internal diameter of framework.
In above-mentioned preferred embodiment, the outer circumferential face of coiling group is connected to the internal surface of framework.
In above-mentioned preferred embodiment, permanent magnet forms ring-type and with respect to the inboard of coiling group.
In above-mentioned preferred embodiment, the outward edge of the plurality of flabellum is connected in a peripheral ring, and permanent magnet is incorporated into peripheral ring and can rotates around the shaft.
In above-mentioned preferred embodiment, this permanent magnet is incorporated into this peripheral ring in friction tight mode.
In above-mentioned preferred embodiment, rotor assembly more comprises an iron hoop, is located between peripheral ring and permanent magnet.
In above-mentioned preferred embodiment, the plurality of flabellum is connected in an axle sleeve, and axle sleeve is socketed on a bearing, and bearing is incorporated into rotating shaft.
In above-mentioned preferred embodiment, peripheral ring, the plurality of flabellum and axle sleeve are integrally formed.
In above-mentioned preferred embodiment, the coiling group forms with the winding mode of three-phase slot-less motor.
Effect of the present invention: framework of the present invention can be by the silicon steel plate group in conjunction with plastic frame body, obtain take the silicon steel plate group as skeleton, the framework that plastic frame body is outward appearance, can have the rigidity of metal frame and the toughness of plastic frame concurrently simultaneously, except intensity is enough to suppress vibration, plastic frame body can also keep attractive in appearance and feel with design.
In addition, in the situation that framework is directly made with magnetic conductive material, because magnetic conductive material mostly is metal, so its intensity also is enough to suppress vibration.
In addition, the present invention is owing to making framework become the part of stator, therefore form stator outside and rotor assembly at interior structure, in existing fan, stator is placed in the structure of rotor assembly inside and compares, and the rotor assembly inner space only arranges rotating shaft and bearing, the area at rotor assembly center can reduce, it is large that the width of flabellum becomes, and so can strengthen the area of exhaust outlet, increases air output.
Due to silicon steel plate group or the framework of permeability magnetic material formation the structure of slotless tooth, therefore the coiling group can adopt the coiling kenel of three-phase slot-less motor, make the internal diameter of the external diameter cooperation silicon steel plate group of coiling group, form the structure of slot-less motor, can not produce cogging torque fully.The function of silicon steel plate group, can also magnetic conduction except the part as framework, makes motor present the magnetic circuit of a sealing, and this is from existing the stator structure of groove tooth is arranged is to have different effects.
For above and other purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate appended diagram, be described in detail below.
The accompanying drawing explanation
Fig. 1 means an embodiment's of fan structure of the present invention three-dimensional exploded view;
Planimetric map after the fan structure combination that Fig. 2 is Fig. 1;
The sectional view that Fig. 3 is Fig. 2;
Another embodiment's that Fig. 4 is fan structure of the present invention planimetric map;
The sectional view that Fig. 5 is Fig. 4;
In the fan structure of Fig. 6 presentation graphs 3, the cromogram of the magnetic intensity of silicon steel plate.
The primary component symbol description
10～framework
12～internal surface
20～silicon steel plate group (magnetic conductive component)
22～internal surface
30～coiling group
40～permanent magnet
50～iron hoop
60～fan
62～peripheral ring
64～flabellum
66～axle sleeve
70～bearing
80～rotating shaft
100～fan structure
210～framework
212～internal surface
230～coiling group
240～permanent magnet
250～iron hoop
260～fan
262～peripheral ring
264～flabellum
266～axle sleeve
270～bearing
280～rotating shaft
200～fan structure
Embodiment
Fig. 1 means an embodiment's of fan structure of the present invention three-dimensional exploded view.Planimetric map after the fan structure combination that Fig. 2 is Fig. 1.The sectional view that Fig. 3 is Fig. 2.As shown in the 1st, 2,3 figure, fan structure 100 of the present invention comprises a framework 10, a silicon steel plate group (magnetic conductive component) 20, a coiling group 30, a permanent magnet 40, an iron hoop 50 and a fan 60.Wherein framework 10, silicon steel plate group 20 and coiling group 30 have formed the stator of fan structure, and permanent magnet 40, iron hoop 50 and fan 60 have formed rotor assembly.Below first the structure of stator is described.
Silicon steel plate group 20 is arranged with a plurality of silicon steel plates and after drawing, be placed in the mould of an injection molding machine, then the injection molded material, to form framework 10, also makes framework 10 and silicon steel plate group 20 integrally formed simultaneously, and above-mentioned moulding material is plastic cement in the present embodiment.So, silicon steel plate group 20 and framework 10 combinations, increased the intensity of framework 10, and the moulding material by framework 10 also can make 20 typings of silicon steel plate group.After framework 10 is integrally formed with silicon steel plate group 20, the internal surface 12 (as shown in Figure 3) of framework 10 is covered by silicon steel plate group 20.
Coiling group 30 forms with the winding mode of three-phase slot-less motor, it forms ring-type and around the internal surface 22 of silicon steel plate group 20, the size of the outer surface of coiling group 30 can coordinate the size of the internal surface 22 of silicon steel plate group 20, because the internal surface 22 of silicon steel plate group 20 is cylindrical shape, so the external diameter of the outer surface of this coiling group 30 is equal to the internal diameter of the internal surface 22 of silicon steel plate group 20 substantially.
The structure of rotor assembly below is described, it comprises permanent magnet 40, iron hoop 50 and fan 60.
By above-mentioned structure, when being powered at coiling and organizing 30, by the electromagnetic action between permanent magnet 40 and coiling group 30, rotor assembly (comprise fan 60 with permanent magnet 40) is rotated and drive flabellum 64 to rotate centered by this rotating shaft 80 and produce air-flow.
In addition, iron hoop 50 can be located between the outer circumferential face 62 of permanent magnet 40 and fan 60, to increase magnetic conductivity, also can not arrange.
Fig. 4 means the planimetric map of another embodiment of the present invention.The sectional view that Fig. 5 is Fig. 4.In the present embodiment, fan structure 200 comprises a framework 210, a coiling group 230, a permanent magnet 240, an iron hoop 250 and a fan 260.Wherein framework 210 and coiling group 230 have formed the stator of fan structure, and permanent magnet 240, iron hoop 250 and fan 260 have formed rotor assembly.Below first the structure of stator is described.
The structure of rotor assembly below is described, it comprises permanent magnet 240, iron hoop 250 and fan 260.
By above-mentioned structure, when being powered at coiling and organizing 230, by the electromagnetic action between permanent magnet 240 and coiling group 230, rotor assembly (comprise fan 260 with permanent magnet 240) is rotated and drive flabellum 264 to rotate centered by this rotating shaft 280 and produce air-flow.
In addition, iron hoop 250 can be located between the outer circumferential face 262 of permanent magnet 240 and fan 260, to increase magnetic conductivity, also can not arrange.
Framework of the present invention can be by the silicon steel plate group in conjunction with plastic frame body, obtain take the silicon steel plate group as skeleton, the framework that plastic frame body is outward appearance can have the rigidity of metal frame and the toughness of plastic frame concurrently simultaneously, except intensity is enough to suppress vibration, plastic frame body can also keep attractive in appearance and feel with design.
In addition, in the situation that framework is directly made with magnetic conductive material, because magnetic conductive material mostly is metal, so its intensity also is enough to suppress vibration.
In addition, the present invention is owing to making framework become the part of stator, therefore form stator outside and rotor assembly at interior structure, in existing fan, stator is placed in the structure of rotor assembly inside and compares, and the rotor assembly inner space only arranges rotating shaft and bearing, the area at rotor assembly center can reduce, it is large that the width of flabellum becomes, and so can strengthen the area of exhaust outlet, increases air output.
Due to silicon steel plate group or the framework of permeability magnetic material formation the structure of slotless tooth, therefore the coiling group can adopt the coiling kenel of three-phase slot-less motor, make the internal diameter of the external diameter cooperation silicon steel plate group of coiling group, form the structure of slot-less motor, can not produce cogging torque fully.The function of silicon steel plate group, can also magnetic conduction except the part as framework, makes motor present the magnetic circuit of a sealing, and as shown in Figure 6, this is from existing the stator structure of groove tooth is arranged is to have different effects.
Although in conjunction with above preferred embodiment, disclosed the present invention; yet it is not in order to limit the present invention; anyly be familiar with this operator; without departing from the spirit and scope of the present invention; can do a little change and retouching, thus protection scope of the present invention should with enclose claim was defined is as the criterion.
Claims (16)
1. a fan structure comprises:
Framework, have an internal surface;
Magnetic conductive component, coat this internal surface of this framework;
The coiling group, around this magnetic conductive component, arrange, the outer circumferential face size of this coiling group is corresponding to the inner peripheral surface size of this magnetic conductive component, and wherein the inner peripheral surface of this coiling group formation ring-type and this magnetic conductive component is cylindric, and the external diameter of this coiling group coordinates the internal diameter of this magnetic conductive component;
Rotor assembly, rotatably be located in this framework, and this rotor assembly comprises:
A plurality of flabellums, be incorporated into a rotating shaft; And
Permanent magnet, around and be incorporated into the plurality of flabellum and with respect to this coiling group, by the electromagnetic action between this permanent magnet and this coiling group, this rotor assembly is rotated and drives the plurality of flabellum rotate centered by this rotating shaft with the generation air-flow.
2. fan structure as claimed in claim 1, wherein the outer circumferential face of this coiling group is connected to the inner peripheral surface of this magnetic conductive component.
3. fan structure as claimed in claim 1, wherein this permanent magnet forms ring-type and, with respect to the inboard of this coiling group, wherein the outward edge of the plurality of flabellum is connected in a peripheral ring, and this permanent magnet is incorporated into this peripheral ring and can be around this rotating shaft rotation.
4. fan structure as claimed in claim 3, wherein this rotor assembly also comprises an iron hoop, is located between this peripheral ring and this permanent magnet.
5. fan structure as claimed in claim 3, wherein the plurality of flabellum is connected in an axle sleeve, and this axle sleeve is socketed on a bearing, and this bearing is incorporated into this rotating shaft.
6. fan structure as claimed in claim 1, wherein this magnetic conductive component is the silicon steel plate module, integrally formed with this framework.
7. fan structure as claimed in claim 6, wherein this framework is coated on this silicon steel plate module in the mode of injection molded, and wherein this framework is made with plastic material.
8. fan structure as claimed in claim 1, wherein this coiling group forms with the winding mode of three-phase slot-less motor.
9. a fan structure comprises:
Framework, make with permeability magnetic material, has an internal surface;
The coiling group, around this internal surface setting of this framework, the outer circumferential face size of this coiling group is corresponding to the size of this internal surface, and wherein this coiling group forms ring-type, and the external diameter of this coiling group coordinates the internal diameter of this framework;
Rotor assembly, rotatably be located in this framework, and this rotor assembly comprises:
A plurality of flabellums, be incorporated into a rotating shaft; And
Permanent magnet, around and be incorporated into the plurality of flabellum and with respect to this coiling group, by the electromagnetic action between this permanent magnet and this coiling group, this rotor assembly is rotated and drives the plurality of flabellum rotate centered by this rotating shaft with the generation air-flow.
10. fan structure as claimed in claim 9, wherein the outer circumferential face of this coiling group is connected to the internal surface of this framework.
11. fan structure as claimed in claim 9, wherein this permanent magnet forms ring-type and with respect to the inboard of this coiling group.
12., as the fan structure of claim 11, wherein the outward edge of the plurality of flabellum is connected in a peripheral ring, this permanent magnet is incorporated into this peripheral ring and can rotates around this rotating shaft.
13., as the fan structure of claim 12, wherein this permanent magnet is incorporated into this peripheral ring in friction tight mode.
14. as the fan structure of claim 13, wherein this rotor assembly also comprises an iron hoop, is located between this peripheral ring and this permanent magnet.
15., as the fan structure of claim 13, wherein the plurality of flabellum is connected in an axle sleeve, this axle sleeve is socketed on a bearing, and this bearing is incorporated into this rotating shaft.
16. fan structure as claimed in claim 9, wherein this coiling group forms with the winding mode of three-phase slot-less motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102328722A CN102338102B (en) | 2010-07-16 | 2010-07-16 | Fan structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102328722A CN102338102B (en) | 2010-07-16 | 2010-07-16 | Fan structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102338102A CN102338102A (en) | 2012-02-01 |
| CN102338102B true CN102338102B (en) | 2013-12-04 |
Family
ID=45513998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102328722A Active CN102338102B (en) | 2010-07-16 | 2010-07-16 | Fan structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102338102B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046206A (en) * | 2006-03-31 | 2007-10-03 | 建准电机工业股份有限公司 | Heat dissipating fan |
| CN101127462A (en) * | 2006-08-16 | 2008-02-20 | 台达电子工业股份有限公司 | Fan, motor and magnetic conduction shell |
| CN101232218A (en) * | 2007-01-23 | 2008-07-30 | 台达电子工业股份有限公司 | Fan and motor thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2001286583A1 (en) * | 2000-08-18 | 2002-03-04 | Horton Inc. | Circumferential arc segment motor cooling fan |
| US8647077B2 (en) * | 2004-02-20 | 2014-02-11 | Hewlett-Packard Development Company, L.P. | Cooling fan for electronic device |
| TWI376460B (en) * | 2007-12-26 | 2012-11-11 | Delta Electronics Inc | Fan and inner-rotor motor thereof |
| TWI363468B (en) * | 2008-04-25 | 2012-05-01 | Delta Electronics Inc | Fan and motor thereof |
-
2010
- 2010-07-16 CN CN2010102328722A patent/CN102338102B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046206A (en) * | 2006-03-31 | 2007-10-03 | 建准电机工业股份有限公司 | Heat dissipating fan |
| CN101127462A (en) * | 2006-08-16 | 2008-02-20 | 台达电子工业股份有限公司 | Fan, motor and magnetic conduction shell |
| CN101232218A (en) * | 2007-01-23 | 2008-07-30 | 台达电子工业股份有限公司 | Fan and motor thereof |
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| Publication number | Publication date |
|---|---|
| CN102338102A (en) | 2012-02-01 |
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