CN2504817Y - Single-phase brushless d.c. dynamo - Google Patents
Single-phase brushless d.c. dynamo Download PDFInfo
- Publication number
- CN2504817Y CN2504817Y CN 01259557 CN01259557U CN2504817Y CN 2504817 Y CN2504817 Y CN 2504817Y CN 01259557 CN01259557 CN 01259557 CN 01259557 U CN01259557 U CN 01259557U CN 2504817 Y CN2504817 Y CN 2504817Y
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- Prior art keywords
- stator
- winding
- center line
- rotor
- teeth
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- Expired - Fee Related
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Abstract
A uniphase brushless DC motor which comprises a shaft, a magnetic yoke, a winding, a stator and a rotor is characterized in that the number of the stator teeth is the same with the number of magnetic poles of the rotors; a center line of a stator slot port deviates from a center line of the slot with concentrated single-phase winding. The utility model has a simplified structure, all ports of the stator slots deviates from centerlines of the slots, so when the stator winding is not electrified, center lines of the stator teeth are not coincident with center lines of the magnetic poles while when the stator winding is electrified, a starting torque is produced to solve the problem of starting a dead point.
Description
The utility model relates to the brshless DC motor of a kind of brshless DC motor, particularly a kind of single-phase winding.
The brshless DC motor that uses adopts three-phase, four phase windings more at present, and complex structure, cost increase.
The purpose of this utility model provides a kind of brshless DC motor of single-phase winding, and its structure is become simple, and has starting torque simultaneously again.
The utility model comprises axle, conductive magnetic yoke, rotor, stator and rotor position detector, and the stator number of teeth equates that with the rotor magnetic pole number stator rabbet center line departs from the groove center line, concentrates single-phase winding.Described single-phase winding, be meant a winding from first tooth around to n tooth (n=2k, k=1,2,3 ...), the winding on adjacent two teeth is around on the contrary.
The utility model designs simplification, the opening of all stator slots all departs from the groove center line, makes when the stator winding no power, the stator tooth center line does not overlap with the center line of rotor magnetic pole, thereby when stator winding electrifying, produce starting torque, solved the problem at starting dead point.
Accompanying drawing 1 is the stator laminating structure schematic diagram of the utility model external rotor form;
Accompanying drawing 2 is the stator laminating structure schematic diagram of the utility model internal rotor form.
Accompanying drawing 3 is the utility model inner rotor core schematic diagram.
As Fig. 1, Fig. 2, shown in Figure 3, the utility model comprises axle 4, conductive magnetic yoke 5, rotor 2, winding 6, stator 1 and rotor position detector 3, and stator 1 number of teeth equates that with rotor 2 number of magnetic poles stator rabbet center line 10 departs from the groove center line, concentrates single-phase winding 6.Described single-phase winding 6, be meant a winding 6 from first tooth around to n tooth (n=2k, k=1,2,3 ...), the winding on adjacent two teeth is around on the contrary.
As shown in Figure 1, total number of teeth n=12 of stator 1, it is identical with rotor progression that (n=2K=12, K=6), stator 1 notch center line 10 departs from groove center line 30.
As shown in Figure 2, total number of teeth n=10 of stator 1, it is identical with rotor progression that (n=2K=10, K=5), stator rabbet center line 10 departs from groove center line 30.
Said stator 1 is equipped with p-m rotor, needs 1 Hall element to make rotor position detector following of the positive and negative pulse power power supply motor is run well.
As shown in Figure 3, be internal rotor brushless single phase DC motor structure cut-away view, wind on the stator 1 with single-phase winding 6 that institute is around winding 6 on adjacent two teeth 20, around on the contrary, stator rabbet center line 10 departs from groove center line 30, and Hall plate 3 is placed on stator 1 notch place.Stator 1 built-in rotor 2, rotor 2 has conductive magnetic yoke 5 and motor shaft 2.
Claims (3)
1, a kind of brushless single phase direct current machine comprises axle, conductive magnetic yoke, rotor, winding, stator and rotor position detector, it is characterized in that the stator number of teeth equates that with the rotor magnetic pole number stator rabbet center line departs from the groove center line, concentrates single-phase winding.
2, brushless single phase direct current machine according to claim 1 is characterized in that described single-phase winding, be meant a winding from first tooth around to n tooth (n=2k, k=1,2,3 ...), the winding on adjacent two teeth is around on the contrary.
3, brushless single phase direct current machine according to claim 1 is characterized in that winding on the stator 1 with single-phase winding 6, and institute is around winding 6 on adjacent two teeth 20, and around on the contrary, stator rabbet center line 10 departs from groove center line 30, and Hall plate 3 is placed on stator 1 notch place.Stator 1 built-in rotor 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01259557 CN2504817Y (en) | 2001-08-27 | 2001-08-27 | Single-phase brushless d.c. dynamo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01259557 CN2504817Y (en) | 2001-08-27 | 2001-08-27 | Single-phase brushless d.c. dynamo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2504817Y true CN2504817Y (en) | 2002-08-07 |
Family
ID=33667903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01259557 Expired - Fee Related CN2504817Y (en) | 2001-08-27 | 2001-08-27 | Single-phase brushless d.c. dynamo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2504817Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475115A (en) * | 2013-09-10 | 2013-12-25 | 深圳市雅腾电机有限公司 | Novel one-phase brushless motor |
-
2001
- 2001-08-27 CN CN 01259557 patent/CN2504817Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475115A (en) * | 2013-09-10 | 2013-12-25 | 深圳市雅腾电机有限公司 | Novel one-phase brushless motor |
| CN103475115B (en) * | 2013-09-10 | 2015-07-29 | 深圳市雅腾电机有限公司 | A kind of Novel single-phase brushless motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |