CN1790866A - Structure of motor - Google Patents
Structure of motor Download PDFInfo
- Publication number
- CN1790866A CN1790866A CN 200410097192 CN200410097192A CN1790866A CN 1790866 A CN1790866 A CN 1790866A CN 200410097192 CN200410097192 CN 200410097192 CN 200410097192 A CN200410097192 A CN 200410097192A CN 1790866 A CN1790866 A CN 1790866A
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- Prior art keywords
- bearing
- motor
- pole piece
- magnet assembly
- drive division
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Abstract
The invention relates to a motor structure, which comprises: a rotor structure contained a drive part and a magnetic assembly on lower end of drive part, and a stator structure contained a base, a coil rolled on a stator frame on base, and a pole piece on base with a magnetic induction part. Wherein, pivoting the rotor structure on stator structure with its pole piece opposite to magnetic assembles to achieve phase-switching running after conduction.
Description
Technical field
The invention relates to a kind of structure of motor, it relates generally to brushless motor rotor mechanism and the inter-agency structure of stator, refers to the structure between magnet assembly and pole piece in the brushless motor especially.
Background technology
Present fan can be divided into two types basically: (1) axialmode fan Axial (fan), and (2) radial pattern fan (centrifugal blower) is (Centrifugal-blower).Axialmode fan wherein, its cost is lower, but it is big to take volume.Though and above-mentioned radial pattern fan has thin blade, current density is higher, and cost is higher, and noise is big.
And the employed power set of above-mentioned fan can be divided into two types: (1) brushless motor, and (2) carbon brush motor.Wherein the structure of brushless motor is that coil is set around on the stator, on the rotor then is to be provided with magnet assembly, and this structure with traditional carbon brush motor is just opposite.The carbon brush motor is that coil is set around on the rotor, magnet assembly then is arranged on the stator, so brushless motor is because of needn't be by contacting the rotor coil in rotating is switched on and rectification between commutator and carbon brush, still can utilize the mode that attracts each other between stator coil energising back and rotor magnet assembly magnetic field or repel to reach the function of commutation running under the situation that does not need carbon brush, therefore, present fan is no matter be that axialmode fan or radial pattern fan all adopt brushless motor in the majority as power set.
See also Fig. 1, be the structure of prior art fan, as shown in the figure, it consists predominantly of rotor mechanism 11 and stator mechanism 12, and wherein this rotor mechanism 11 includes drive division 111 and magnet assembly 112, and around this magnet assembly 112 is arranged in the drive division 111.This drive division 111 includes axialmode flabellum 111c, power transmission shaft 111d and the 111f of hub portion in this preferred embodiment, and on this power transmission shaft 111d bearing 111e is arranged.
And this stator mechanism 12 includes pole piece 121, coil 122 and bearing 123, and this pole piece 121 is located on the bearing 123, and this coil 122 is set around on the stator frame set on the bearing 123 124.
Please continue to consult Fig. 2, as shown in the figure, wherein this bearing 123 connects with housing 13, and this bearing 123 is provided with circuit board 123a, when assembling, magnet assembly 112 is arranged in the 111f of hub portion of drive division 111, be arranged at the medium altitude chamber 123b that is offered on the bearing 123 with bearing 111e again, be hubbed in the stator mechanism 12 with rotor mechanism 11 at last, and pole piece 121 is not contacted corresponding to magnet assembly 112, so that coil 122 energising backs reach the effect that commutation is turned round with magnet assembly 112.
The fan structure of above-mentioned prior art, because the assembling arrangement mode of magnet assembly 112 and pole piece 121, make the thickness of the 111f of hub portion to reduce, and the fan industry all requires the following of trend such as light, thin, short, little and air output is big day by day now, the truly having towards necessity light, thin, short, little improvement of the fan structure of above-mentioned prior art.
Summary of the invention
Main purpose of the present invention is to provide a kind of structure that makes the brushless motor reduced down in thickness.
A further object of the present invention is to provide a kind of structure that makes brushless motor weight saving.
Another object of the present invention is to provide a kind of structure that makes the running efficiency lifting of brushless motor.
Particularly, the invention provides a kind of structure of motor, it mainly comprises rotor mechanism and stator mechanism, and wherein this rotor mechanism comprises drive division and magnet assembly, this magnet assembly is arranged at the lower end of drive division, and this drive division lower end offers location notch for the magnet assembly setting.Described drive division comprises axialmode flabellum, hub portion and power transmission shaft, or comprises radial pattern flabellum, hub portion and power transmission shaft.Described power transmission shaft is provided with bearing.
And this stator mechanism comprises pole piece, coil and bearing, and this coil is set around on the pole piece, and this pole piece is provided with magnet sensing part, and this pole piece is arranged on the bearing, and this bearing is provided with circuit board, and this bearing and housing join.
This rotor mechanism is hubbed in the stator mechanism, and the magnet sensing part that makes pole piece is corresponding to magnet assembly, so that reach the effect of commutation running behind the coil electricity with magnet assembly.
Characteristic on above-mentioned purpose of the present invention and structure thereof and the function further will be illustrated according to appended graphic preferred embodiment.
Description of drawings
Fig. 1 is the decomposition generalized section of prior art fan structure;
Fig. 2 is the combination generalized section of prior art fan structure;
Fig. 3 is the decomposition generalized section of the present invention's first preferred embodiment;
Fig. 4 is the combination generalized section of the present invention's first preferred embodiment;
Fig. 5 is the decomposition generalized section of the present invention's second preferred embodiment;
Fig. 6 is the combination generalized section of the present invention's second preferred embodiment.
Drawing reference numeral explanation: 11 rotor mechanisms; 111 drive divisions; 111c axialmode flabellum; The 111d power transmission shaft; The 111e bearing; 111f hub portion; 112 magnet assemblies; 12 stator mechanisms; 121 pole pieces; 122 coils; 123 bearings; The 123a circuit board; The 123b medium altitude chamber; 124 stator frames; 13 housings; 21 rotor mechanisms; 211 drive divisions; The 211a lower end; The 211b location notch; 211c axialmode flabellum; The 211d power transmission shaft; The 211e bearing; 211f hub portion; 212 magnet assemblies; 22 stator mechanisms; 221 pole pieces; The 221a magnet sensing part; 222 coils; 223 bearings; The 223a circuit board; The 223b medium altitude chamber; 224 stator frames; 23 housings; 311 drive divisions; 311c radial pattern flabellum; The 311d power transmission shaft; The 311e bearing; 311f hub portion; 33 housings; 331 bottoms; 332 loam cakes.
Embodiment
The invention provides a kind of structure of motor, see also Fig. 3, be first preferred embodiment of the present invention, be imposed in the axialmode fan, as shown in the figure, it consists predominantly of rotor mechanism 21 and stator mechanism 22, and wherein this rotor mechanism 21 includes drive division 211 and magnet assembly 212, and this magnet assembly 212 is arranged at the lower end 211a of drive division 211.This drive division 211 includes axialmode flabellum 211c and power transmission shaft 211d and the 211f of hub portion in this preferred embodiment, and this power transmission shaft 211d is provided with bearing 211e.
And this stator mechanism 22 includes pole piece 221, coil 222 and bearing 223, and this coil 222 is set around on the stator frame set on the bearing 223 224, convexes with magnet sensing part 221a on this pole piece 221, and this pole piece 221 is located on the bearing 223.
Please continue to consult Fig. 4, as shown in the figure, wherein this bearing 223 connects with housing 23, and this bearing 223 is provided with circuit board 223a, when assembling, the 211f lower end 211a of hub portion at this drive division 211 offers location notch 211b, and magnet assembly 212 is arranged in the location notch 211b of the 211f of hub portion, be arranged at the medium altitude chamber 223b that is offered on the bearing 223 with bearing 211e again, be hubbed in the stator mechanism 22 with rotor mechanism 21 at last, and the magnet sensing part 221a of pole piece 221 is not contacted corresponding to magnet assembly 212, so that coil 222 energising backs reach the effect that commutation is turned round with magnet assembly 212.
See also Fig. 5 and Fig. 6, for second preferred embodiment of the present invention, be imposed in the radial pattern fan, as shown in the figure, it is characterized in that: this drive division 311 includes radial pattern flabellum 311c, power transmission shaft 311d and the 311f of hub portion, and this power transmission shaft 311d is provided with bearing 311e; And this housing 33 includes bottom 331 and loam cake 332.
The above only is preferred 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 the interest field of the present invention.
Claims (8)
1, a kind of structure of motor, it mainly comprises rotor mechanism and stator mechanism, wherein this rotor mechanism comprises drive division and magnet assembly, this magnet assembly is arranged at the lower end of drive division, and this stator mechanism comprises pole piece, coil and bearing, this coil is set around on the pole piece, this pole piece is provided with magnet sensing part, and this pole piece is arranged on the bearing, be hubbed in the stator mechanism with rotor mechanism, and the magnet sensing part that makes pole piece is corresponding to magnet assembly, so that reach the effect of commutation running behind the coil electricity with magnet assembly.
2, the structure of motor as claimed in claim 1, wherein this drive division lower end offers location notch for the magnet assembly setting.
3, the structure of motor as claimed in claim 1, wherein this bearing and housing connect.
4, the structure of motor as claimed in claim 1, wherein this bearing is provided with circuit board.
5, the structure of motor as claimed in claim 1, wherein this drive division includes axialmode flabellum, hub portion and power transmission shaft.
6, the structure of motor as claimed in claim 5, wherein this power transmission shaft is provided with bearing.
7, the structure of motor as claimed in claim 1, wherein this drive division includes radial pattern flabellum, hub portion and power transmission shaft.
8, the structure of motor as claimed in claim 7, wherein this power transmission shaft is provided with bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100971929A CN100388592C (en) | 2004-12-13 | 2004-12-13 | Structure of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100971929A CN100388592C (en) | 2004-12-13 | 2004-12-13 | Structure of motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1790866A true CN1790866A (en) | 2006-06-21 |
| CN100388592C CN100388592C (en) | 2008-05-14 |
Family
ID=36788450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100971929A Expired - Fee Related CN100388592C (en) | 2004-12-13 | 2004-12-13 | Structure of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100388592C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111293802A (en) * | 2020-02-26 | 2020-06-16 | 安徽美芝精密制造有限公司 | Compressor and refrigeration equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2478155Y (en) * | 2001-02-02 | 2002-02-20 | 奇鋐科技股份有限公司 | Radiating fan |
| US7307364B2 (en) * | 2003-03-19 | 2007-12-11 | Seiko Instruments Inc. | Motor and recording medium drive device |
-
2004
- 2004-12-13 CN CNB2004100971929A patent/CN100388592C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111293802A (en) * | 2020-02-26 | 2020-06-16 | 安徽美芝精密制造有限公司 | Compressor and refrigeration equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100388592C (en) | 2008-05-14 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |