CN105743237A - Stator pole and rotor pole structure of switched reluctance motor - Google Patents
Stator pole and rotor pole structure of switched reluctance motor Download PDFInfo
- Publication number
- CN105743237A CN105743237A CN201610273909.3A CN201610273909A CN105743237A CN 105743237 A CN105743237 A CN 105743237A CN 201610273909 A CN201610273909 A CN 201610273909A CN 105743237 A CN105743237 A CN 105743237A
- Authority
- CN
- China
- Prior art keywords
- stator poles
- pole
- rotor pole
- rotor
- stator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/145—Stator cores with salient poles having an annular coil, e.g. of the claw-pole type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Abstract
The invention relates to a stator pole and rotor pole structure of a switched reluctance motor. The stator pole and rotor pole structure comprises a stator pole core, a stator pole coil, a rotor pole and a rotating shaft, wherein the stator pole and rotor pole structure is characterized in that the stator pole core is a grooved core, which comprises a beam and salient poles and has an integral structure; the salient poles are symmetrically connected to two ends of the beam; a stator pole coil is wound on the beam of the stator pole core; the stator pole core and the stator pole coil form a stator pole; the axial end surface of the rotor pole is a sector surface; a rotor pole body is fixed to a rotating shaft through a connector; the rotor pole can rotate to a groove of the stator pole core along with the rotating shaft; and a magnetic loop formed after the stator pole coil is electrified is a rectangular loop. The stator pole and rotor pole structure has the advantages that the magnetic flux path is shortened; the weight of rotors is reduced; the rotor pole is not stressed in the radial direction; vibration and noise are reduced; and meanwhile, by the manufactured motor, the numbers of the rotor poles and the stator poles can be flexibly designed.
Description
Technical field
The present invention relates to the stator poles of a kind of switched reluctance machines and rotor pole structure, belong to technical field of switch reluctance motor.
Background technology
The simple in construction that existing switched reluctance machines (SRD) has is firm, and circuit is reliable, and starting torque is big, and starting current is low, speed-regulating range width, system reliability advantages of higher, but it there is also following shortcoming simultaneously:
1, flux path path length, iron loss are big；2, owing to rotor pole stress contains radial component so that vibrations and noise during operation are all relatively larger, simultaneously for offsetting this radial force, the number of rotor pole and stator poles is all even number so that design underaction；3, being connected by yoke between rotor pole, rotor is heavier.
Summary of the invention
It is an object of the invention to provide a kind of magnetic Circuit Design adopting rotor pole to embed stator poles groove, magnetic flux path can be shortened, alleviate rotor weight, rotor pole does not radially stress, vibrations and noise can be reduced, simultaneously the rotor pole of motor, stator poles number can the stator poles of switched reluctance machines of flexible design and rotor pole structure.
The present invention adopts the following technical scheme that
The present invention includes stator poles ferrum core, stator poles coil, rotor pole, rotating shaft, it is characterized in that: stator poles iron core is the groove type ferrum core of the integrative-structure being made up of crossbeam and the salient pole being symmetrically connected to crossbeam two ends, the axial end top of salient pole is rectangle, bottom is isosceles trapezoid, and the lower surface of salient pole is the arc surface of indent, the axis projection of the lower surface of salient pole is positioned at and is projected as on the circle in the center of circle with rotating shaft core, stator poles iron core is made up of permeability magnetic material, stator poles coil is wrapped on stator poles iron core crossbeam, stator poles iron core and stator poles coil constitute stator poles；The axial end of rotor pole is sector, its upper surface is the arc surface of evagination, lower surface is the arc surface of indent, rotor pole is made up of permeability magnetic material, rotor pole body is fixed by connector and rotating shaft, and the upper surface of rotor pole and the axis projection of lower surface lay respectively at be projected as the center of circle with rotating shaft core twoConcentric circularOn, rotor pole can rotate in the groove of stator poles iron core with rotating shaft, and in the groove of stator poles iron core, the upper surface of rotor pole coordinates with stator poles winding space, the two sides of rotor pole and the salient pole matched in clearance at stator poles iron core two ends, the axis projection of rotor pole lower surface be positioned at the axis projection of salient pole lower surface, stator poles both sides be projected as on the same circle in the center of circle with rotating shaft core, the magnetic loop that formed after stator poles coil electricity is for rectangular-shaped loops.
Described stator poles iron core is formed by silicon steel plate stacking；
Described rotor pole body is formed by silicon steel plate stacking；
Described connector is made by non-magnet material.
The invention have the advantage that and shorten magnetic flux path, alleviate rotor weight, rotor pole does not radially stress, and reduces vibrations and noise, adopts the motor that the present invention makes simultaneously, its rotor pole, stator poles number can flexible design.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the front view of stator poles；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the top view of Fig. 2；
Fig. 5 is the location diagram of stator poles and rotor pole；
Fig. 6 is that rotor pole body rotates to the magnetic loop schematic diagram formed in the groove of stator poles iron core.
Detailed description of the invention
With reference to accompanying drawing, the present invention includes stator poles iron core 1, stator poles coil 2, rotor pole 3, rotating shaft 4, stator poles iron core is the groove type ferrum core of the integrative-structure being made up of crossbeam and the salient pole being symmetrically connected to crossbeam two ends, the axial end top of salient pole is rectangle, bottom is isosceles trapezoid, and the lower surface of salient pole is the arc surface of indent, the axis projection of the lower surface of salient pole is positioned at and is projected as on the circle in the center of circle with rotating shaft core, stator poles iron core is formed by permeability magnetic material silicon steel plate stacking, stator poles coil is wrapped on stator poles iron core crossbeam, stator poles iron core and stator poles coil constitute stator poles；The axial end of rotor pole is sector, its upper surface is the arc surface of evagination, lower surface is the arc surface of indent, rotor pole is formed by permeability magnetic material silicon steel plate stacking, rotor pole is fixed by connector 5 and rotating shaft, connector is made by non-magnet material, and the upper surface of rotor pole and the axis projection of lower surface lay respectively at be projected as the center of circle with rotating shaft core twoConcentric circularOn, rotor pole can rotate in the groove of stator poles iron core with rotating shaft, and in the groove of stator poles iron core, the upper surface of rotor pole coordinates with stator poles winding space, the two sides of rotor pole and the salient pole matched in clearance at stator poles iron core two ends, the axis projection of rotor pole lower surface be positioned at the axis projection of salient pole lower surface, stator poles both sides be projected as on the same circle in the center of circle with rotating shaft core, the magnetic loop that formed after stator poles coil electricity is for rectangular-shaped loops, during rotor pole pivoting, it is possible to pass freely through the groove of stator poles.
Described end face top, bottom, upper surface, lower surface are all as the criterion with the direction shown in Fig. 1.
Adopt the stator poles of the present invention and the switched reluctance machines of rotor pole structural design, the stator of motor is made up of the equally distributed a series of stator poles of circumference, rotor is fixed in rotating shaft by fixture is constituted by the equally distributed a series of rotor pole of circumference, all not needing yoke between each rotor pole, between each stator poles to connect, this makes the very light in weight of rotor.When rotor pole is near stator poles groove, stator poles coil electricity, according to magnetic resistance minimum principle, rotor pole stress is moved in stator poles groove, and when rotor pole enters in stator poles groove, magnetic loop is simple rectangle, and such as Fig. 4, magnetic flux path is very short；Owing to rotor pole is not subjected to the effect of radial force in stator poles groove, therefore reduce vibrations and noise；Simultaneously because symmetrical dipolar configuration need not be designed to offset radial force, the stator poles of motor of the present invention and rotor number of poles can flexible design according to demand, except the structures such as common 6/4,8/6,12/8 can be adopted, it can also be designed the structure such as 2/3,3/2,3/4,4/3.
Claims (4)
1. the stator poles of a switched reluctance machines and rotor pole structure, including stator poles ferrum core, stator poles coil, rotor pole, rotating shaft, it is characterized in that: stator poles iron core is the groove type ferrum core of the integrative-structure being made up of crossbeam and the salient pole being symmetrically connected to crossbeam two ends, the axial end top of salient pole is rectangle, bottom is isosceles trapezoid, and the lower surface of salient pole is the arc surface of indent, the axis projection of the lower surface of salient pole is positioned at and is projected as on the circle in the center of circle with rotating shaft core, stator poles iron core is made up of permeability magnetic material, stator poles coil is wrapped on stator poles iron core crossbeam, stator poles iron core and stator poles coil constitute stator poles；The axial end of rotor pole is sector, its upper surface is the arc surface of evagination, lower surface is the arc surface of indent, rotor pole is made up of permeability magnetic material, rotor pole body is fixed by connector and rotating shaft, the upper surface of rotor pole and the axis projection of lower surface lay respectively at and are projected as on two concentric circulars in the center of circle with rotating shaft core, rotor pole can rotate in the groove of stator poles iron core with rotating shaft, and in the groove of stator poles iron core, the upper surface of rotor pole coordinates with stator poles winding space, the salient pole matched in clearance at the two sides of rotor pole and stator poles iron core two ends, the axis projection of the axis projection of rotor pole lower surface and salient pole lower surface, stator poles both sides is positioned at and is projected as on the same circle in the center of circle with rotating shaft core, the magnetic loop formed after stator poles coil electricity is rectangular-shaped loops.
2. the stator poles of switched reluctance machines according to claim 1 and rotor pole structure, is characterized in that: described stator poles iron core is formed by silicon steel plate stacking.
3. the stator poles of switched reluctance machines according to claim 1 and rotor pole structure, is characterized in that: described rotor pole body is formed by silicon steel plate stacking.
4. the stator poles of switched reluctance machines according to claim 1 and rotor pole structure, is characterized in that: described connector is made by non-magnet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273909.3A CN105743237B (en) | 2016-04-28 | 2016-04-28 | A kind of stator poles and rotor pole structure of switched reluctance machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273909.3A CN105743237B (en) | 2016-04-28 | 2016-04-28 | A kind of stator poles and rotor pole structure of switched reluctance machines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105743237A true CN105743237A (en) | 2016-07-06 |
| CN105743237B CN105743237B (en) | 2018-09-04 |
Family
ID=56287504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610273909.3A Active CN105743237B (en) | 2016-04-28 | 2016-04-28 | A kind of stator poles and rotor pole structure of switched reluctance machines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105743237B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448756A (en) * | 2018-04-24 | 2018-08-24 | 石镇德 | Include the switched reluctance machines of U-shaped rotor magnetic pole structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080278010A1 (en) * | 2007-05-10 | 2008-11-13 | Denso Corporation | Switched reluctance motor |
| CN102227092A (en) * | 2011-06-20 | 2011-10-26 | 张文祐 | Permanent magnet motor |
| CN203457020U (en) * | 2012-09-25 | 2014-02-26 | 深圳市合兴加能科技有限公司 | Switched reluctance motor |
| CN205791829U (en) * | 2016-04-28 | 2016-12-07 | 周欢 | The stator poles of a kind of switched reluctance machines and rotor pole structure |
-
2016
- 2016-04-28 CN CN201610273909.3A patent/CN105743237B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080278010A1 (en) * | 2007-05-10 | 2008-11-13 | Denso Corporation | Switched reluctance motor |
| CN102227092A (en) * | 2011-06-20 | 2011-10-26 | 张文祐 | Permanent magnet motor |
| CN203457020U (en) * | 2012-09-25 | 2014-02-26 | 深圳市合兴加能科技有限公司 | Switched reluctance motor |
| CN205791829U (en) * | 2016-04-28 | 2016-12-07 | 周欢 | The stator poles of a kind of switched reluctance machines and rotor pole structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448756A (en) * | 2018-04-24 | 2018-08-24 | 石镇德 | Include the switched reluctance machines of U-shaped rotor magnetic pole structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105743237B (en) | 2018-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8754568B2 (en) | Switched reluctance motor | |
| JP6319973B2 (en) | Permanent magnet type rotating electric machine | |
| CA2615111A1 (en) | Stator for permanent magnet electric motor using soft magnetic composites | |
| JP2017522848A5 (en) | ||
| JP2015511115A5 (en) | ||
| JP2014504129A5 (en) | ||
| KR101558349B1 (en) | Rotor structure of drive motor | |
| KR20120131869A (en) | Rotor and driving motor | |
| KR102175409B1 (en) | Rotor of wound rotor synchronous motor | |
| JP2011211821A (en) | Rotor of electric rotating machine | |
| JP2021182865A (en) | Electric motor | |
| US20120306298A1 (en) | Switched reluctance motor | |
| RU2552846C1 (en) | Rotor of high-speed generator | |
| CN205791829U (en) | The stator poles of a kind of switched reluctance machines and rotor pole structure | |
| CN109038991A (en) | A kind of 36/4 structure high-speed magneto | |
| CN109149800A (en) | A kind of pole 9n/10n on-off reluctance motor with sectional rotor | |
| US20130285483A1 (en) | Axial flux permanent magnet motor | |
| KR101370655B1 (en) | Wire winding syschronous motor | |
| RU2534046C1 (en) | Electric power generator | |
| CN106374714B (en) | Permanent-magnetism linear motor | |
| CN105743237A (en) | Stator pole and rotor pole structure of switched reluctance motor | |
| CN104767336A (en) | Single-phase separately-excited magneto-resistive power generator | |
| CN102299599B (en) | High-speed electric machine with stator and permanent magnet | |
| JP6635697B2 (en) | Systems and methods for preventing stator demagnetization during vacuum impregnation | |
| JP7116667B2 (en) | Rotating electric machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |