CN107104569A - A kind of motor of use coil permanent magnet combination stator - Google Patents
A kind of motor of use coil permanent magnet combination stator Download PDFInfo
- Publication number
- CN107104569A CN107104569A CN201710535074.9A CN201710535074A CN107104569A CN 107104569 A CN107104569 A CN 107104569A CN 201710535074 A CN201710535074 A CN 201710535074A CN 107104569 A CN107104569 A CN 107104569A
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- Prior art keywords
- slope
- stator
- big
- small
- salient pole
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/38—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating flux distributors, and armatures and magnets both stationary
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The present invention relates to a kind of motor of use coil permanent magnet combination stator, the existing reluctance motor stator number of poles of solution is more, and each pole of stator is respectively provided with coil windings, the problem of production cost is high.Present apparatus stator is oppositely arranged two stator cores, coil windings are respectively arranged with two stator cores, two coil windings towards being embedded with permanent magnet in the stator core of the side of stator respectively, and two permanent magnets are in the opposing parallel setting in rotor both sides, S, N extreme direction are opposite, it is evenly arranged with three structure identical big salient poles the rotor ring week, big salient pole is provided with drift angle, drift angle is fillet, drift angle both sides are the first big slope and the first small slope that off-axis heart radial distance is gradually decreased, and the angle of inclination on the first big slope is more than the angle of inclination on small slope.The present invention coordinates the stator pole structural of permanent magnet using two stator coil windings, coordinates special-shaped rotor structure, reduces motor production cost, and it is basicly stable to ensure that rotor is rotated.
Description
Technical field
The present invention relates to a kind of motor, more particularly to a kind of motor of use coil permanent magnet combination stator.
Background technology
Traditional reluctance motor sets coil windings on magnetic pole of the stator, and rotor uses salient-pole structure.Stator and rotor are adopted
With four or six pairs of poles or six or eight pairs of poles or other dissymmetrical structures, each extremely upper equal winding coil windings of stator utilize stator
Coil alternate energisation successively, produces changes of magnetic field, and the uneven of magnetic circuit is caused using rotor with salient pole structure, and motor produces larger
Reluctance torque., it is necessary to which stator coil is powered successively in motor operation course, each stator poles are respectively provided with coil windings, coil around
Group production cost is high, causes the production cost of whole motor to improve.
Patent Office of the People's Republic of China on July 26th, 2011 bulletin one kind for recording of CN102118072A patent documents from speedup forever
Magnetic direct driving motor, the motor includes motor stator and rotor；The motor stator includes the stator core, embedding provided with wire casing
Enter the armature winding in stator core wire casing, stator pole shoes and the permanent magnet for being installed on stator pole shoes surface；The motor turns
Attached bag includes rotor core and rotor with salient pole；Air gap is provided between motor stator and rotor.The device is set on motor stator
Magnet structure is put, magnetic field of permanent magnet coordinates coil magnetic field, is produced from speedup effect, the structure stator series is more, and each pole
Coil windings are respectively provided with, production cost is high.
The content of the invention
It is many it is an object of the invention to solve existing reluctance motor stator number of poles, and each pole of stator be respectively provided with coil around
Group, there is provided a kind of motor of use coil permanent magnet combination stator for the problem of production cost is high.
The technical solution adopted for the present invention to solve the technical problems is：A kind of electricity of use coil permanent magnet combination stator
Machine, including rotor and the stator being circumferentially positioned on the outside of rotor, stator are provided with coil windings, and the stator includes being oppositely arranged
Coil windings, stator of two coil windings towards the side of stator are respectively arranged with two stator cores, two stator cores
Permanent magnet is embedded with iron core respectively, S the and N poles line of the permanent magnet is set along rotor tangential direction, and two permanent magnets
Set rotor both sides are opposing parallel, S, N extreme direction are on the contrary, to be evenly arranged with three structure identicals in the rotor ring week convex greatly
Pole, big salient pole is provided with drift angle, and drift angle is fillet, and drift angle both sides are the first big slope that off-axis heart radial distance is gradually decreased and the
One small slope, the angle of inclination on the first big slope is more than the angle of inclination on the first small slope.The present apparatus is only with two stator coils
Winding, with reference to the permanent magnet laterally set, when coil windings no power, magnetic field of permanent magnet driving rotor is rotated, coil electricity
When, coil magnetic field driving rotor is rotated.Two coil windings alternate energisations of the present apparatus, and pulse is inserted during alternate energisation
Signal, i.e. the equal no power of two coil windings, first coil windings energization, the equal no power of two coil windings, second coil around
Group is powered, the equal no power of two coil windings, so alternately, is turned using magnetic field of permanent magnet ancillary coil winding driving rotor
It is dynamic, the quantity of coil windings is reduced, production cost is saved.The salient pole both sides of rotor use dissymmetrical structure, make rotor both sides magnetic
There is difference in resistance, to determine the rotation direction of rotor.
Preferably, the angle sum of the first big slope and the first small slope and tangential plane is 90~100 °, the
One big slope and tangential plane angle are 50~70 °.
Preferably, be respectively arranged with small salient pole between adjacent big salient pole two-by-two, small salient pole is provided with drift angle, and drift angle is
Fillet, the small off-axis heart radial distance of salient pole drift angle is less than the off-axis heart radial distance of big salient pole drift angle, and the both sides of small salient pole drift angle are
Second largest slope and the second small slope that off-axis heart radial distance is gradually decreased, the side direction on the small second largest slope of salient pole
The side on the big big slope of salient pole first.The setting of small salient pole is aided in the formation of big salient pole, changes the air gap between big salient pole, simultaneously
The unstability of three-stage structure is decreased, makes rotor rotation process more stable.
Preferably, the second largest slope is consistent with the angle of inclination on the first big slope, the second small slope and first small
The angle of inclination on slope is consistent.
Preferably, the distance between the small salient pole and the big salient pole of the second small slope side are more than small salient pole and second
The big salient pole distance of big slope side.
Preferably, the first small slope is consistent with the second small slope length, intersection uses cambered surface transition.
Preferably, the stator core is arc surface towards the side of rotor, the radian of arc surface is no less than 120 °.Forever
Magnet can allow rotor with salient pole to be accurately positioned stator core formation magnetic efficiency in the equal no power of two coil windings.
The present invention coordinates the stator pole structural of permanent magnet using two stator coil windings, coordinates special-shaped rotor structure, profit
The rotation of motor is realized with less stator coil winding, motor production cost is reduced, and it is basicly stable to ensure that rotor is rotated.
Brief description of the drawings
Fig. 1 is a kind of stator structure schematic diagram of the invention.
Fig. 2 is a kind of rotor structure schematic diagram of the invention.
Fig. 3 is a kind of unpowered state schematic diagram of the invention.
Fig. 4 is coil windings "on" position schematic diagram on the downside of the present invention.
Fig. 5 is second of unpowered state schematic diagram of the invention.
In figure：1st, stator, 2, stator core, 3, coil windings, 4, permanent magnet, 5, rotor, 6, big salient pole, 7, first it is big tiltedly
Slope, the 8, first small slope, 9, small salient pole, 10, second largest slope, the 11, second small slope.
Embodiment
Below by specific embodiment and the present invention is further described with reference to accompanying drawing.
Embodiment：A kind of motor of use coil permanent magnet combination stator, as shown in Figure 1, 2, 3.The present apparatus includes rotor 5
With the stator 1 being circumferentially positioned on the outside of rotor, as shown in figure 1, stator is oppositely arranged two stator cores 2, two stator cores
On be respectively arranged with coil windings 3, two coil windings towards being embedded with permanent magnet 4 respectively in the stator core 2 of the side of stator,
S the and N poles line of the permanent magnet is set along rotor tangential direction, and two permanent magnets are in the opposing parallel setting in rotor both sides,
S, N extreme direction on the contrary, stator core towards the side of rotor be arc surface, arc surface radian position 150 °.
As shown in Fig. 2 being evenly arranged with three structure identicals big salient pole 6 the ring week of rotor 5, big salient pole is provided with top
Angle, drift angle is fillet, and drift angle both sides are the first small slope 8 in big slope 7 and first that off-axis heart radial distance is gradually decreased, first
The angle of inclination on big slope is more than the angle of inclination on the first small slope.The first small slope 8 in big slope 7 and first and tangential plane
Angle sum is 90 °, and the first big slope and tangential plane angle are 60 °, and the first small slope 8 and the angle of tangential plane are 30 °.
It is respectively arranged with small salient pole 9 between adjacent big convex 6 pole two-by-two, small salient pole is provided with drift angle, and drift angle is fillet, small salient pole drift angle
Off-axis heart radial distance is less than the off-axis heart radial distance of big salient pole drift angle, the both sides of small salient pole drift angle for off-axis heart radial distance by
Decrescence few small slope 11 in second largest slope 10 and second, the side on the small second largest slope of salient pole is big towards big salient pole first
The side on slope.Second largest slope 10 is consistent with the angle of inclination on the first big slope 7, and the second small slope and the first small slope are inclined
Rake angle is consistent.The distance between small salient pole and the big salient pole of the second small slope side are more than small salient pole and second largest slope side
Big salient pole distance.First small slope is consistent with the second small slope length, and intersection uses cambered surface transition.
Fig. 3,4,5 are the continuous three rotary state figures of rotor, two coil windings alternate energisations of the present apparatus, and alternate energisation
During insert pulse signal, the i.e. equal no power of two coil windings（Fig. 3）, downside coil windings be powered（Fig. 4）, two coils around
The equal no power of group（Fig. 5）, upside coil windings be powered, the equal no power of two coil windings, so alternately, utilize permanent magnet magnetic
Field ancillary coil winding driving rotor is rotated, and is reduced the quantity of coil windings, is saved production cost.The salient pole both sides of rotor are used
Dissymmetrical structure, makes rotor both sides magnetic resistance there is difference, to determine the rotation direction of rotor.
Claims (7)
1. a kind of motor of use coil permanent magnet combination stator, including rotor and the stator being circumferentially positioned on the outside of rotor, fixed
Son is provided with coil windings, it is characterised in that：The stator includes being oppositely arranged on two stator cores, two stator cores respectively
Be arranged with coil windings, two coil windings towards being embedded with permanent magnet in the stator core of the side of stator respectively, it is described forever
S the and N poles line of magnet is set along rotor tangential direction, and two permanent magnets, in the opposing parallel setting in rotor both sides, S, N are extremely square
To on the contrary, being evenly arranged with three structure identical big salient poles the rotor ring week, big salient pole is provided with drift angle, and drift angle is fillet,
Drift angle both sides are the first big slope and the first small slope that off-axis heart radial distance is gradually decreased, the angle of inclination on the first big slope
More than the angle of inclination on the first small slope.
2. a kind of motor of use coil permanent magnet combination stator according to claim 1, it is characterised in that：Described first
The angle sum of big slope and the first small slope and tangential plane is 90~100 °, and the first big slope and tangential plane angle are 50
~70 °.
3. a kind of motor of use coil permanent magnet combination stator according to claim 1 or 2, it is characterised in that：Two-by-two
It is respectively arranged with small salient pole between adjacent big salient pole, small salient pole is provided with drift angle, and drift angle is fillet, the small off-axis heart of salient pole drift angle
Radial distance is less than the off-axis heart radial distance of big salient pole drift angle, and the both sides of small salient pole drift angle gradually decrease for off-axis heart radial distance
Second largest slope and the second small slope, the side of the side on the small second largest slope of salient pole towards the big slope of big salient pole first
Face.
4. a kind of motor of use coil permanent magnet combination stator according to claim 3, it is characterised in that：Described second
Big slope is consistent with the angle of inclination on the first big slope, and the second small slope is consistent with the angle of inclination on the first small slope.
5. a kind of motor of use coil permanent magnet combination stator according to claim 3, it is characterised in that：It is described small convex
The distance between big salient pole of pole and the second small slope side is more than small salient pole and the big salient pole distance of second largest slope side.
6. a kind of motor of use coil permanent magnet combination stator according to claim 3, it is characterised in that：First is small oblique
Slope is consistent with the second small slope length, and intersection uses cambered surface transition.
7. a kind of motor of use coil permanent magnet combination stator according to claim 1 or 2, it is characterised in that：It is described
Stator core is arc surface towards the side of rotor, and the radian of arc surface is no less than 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710535074.9A CN107104569B (en) | 2017-07-04 | 2017-07-04 | Motor adopting coil permanent magnet combined stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710535074.9A CN107104569B (en) | 2017-07-04 | 2017-07-04 | Motor adopting coil permanent magnet combined stator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107104569A true CN107104569A (en) | 2017-08-29 |
| CN107104569B CN107104569B (en) | 2023-04-25 |
Family
ID=59663495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710535074.9A Active CN107104569B (en) | 2017-07-04 | 2017-07-04 | Motor adopting coil permanent magnet combined stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107104569B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5122697A (en) * | 1990-04-30 | 1992-06-16 | Emerson Electric Co. | Hybrid single-phase variable reluctance motor |
| US5844343A (en) * | 1994-07-25 | 1998-12-01 | Emerson Electric Co. | Auxiliary starting switched reluctance motor |
| JP2001061240A (en) * | 1999-08-23 | 2001-03-06 | Daido Steel Co Ltd | Motor that rotates in one direction |
| JP2001186693A (en) * | 1999-12-27 | 2001-07-06 | Matsushita Refrig Co Ltd | Switched reluctance motor |
| WO2002097954A1 (en) * | 2001-05-31 | 2002-12-05 | Robert Bosch Gmbh | Two-phase, switched reluctance motor |
| JP2005012956A (en) * | 2003-06-20 | 2005-01-13 | Hitachi Home & Life Solutions Inc | Commutator motor and electric blower |
| JP2005295765A (en) * | 2004-04-05 | 2005-10-20 | Mitsuba Corp | Armature for dynamo-electric machine |
| JP2006149030A (en) * | 2004-11-17 | 2006-06-08 | Toyota Motor Corp | Vehicle drive system and vehicle equipped with it |
| JP2007143286A (en) * | 2005-11-17 | 2007-06-07 | Mitsuba Corp | Switched reluctance motor |
| US20100123426A1 (en) * | 2008-11-14 | 2010-05-20 | Denso Corporation | Reluctance motor with improved stator structure |
| CN202424445U (en) * | 2011-10-17 | 2012-09-05 | 上海电机学院 | Switch reluctance motor with parallel structure |
| CN105322677A (en) * | 2015-10-29 | 2016-02-10 | 周斌欣 | Switched reluctance motor |
| US20170005555A1 (en) * | 2015-07-02 | 2017-01-05 | Purdue Research Foundation | Asymmetric salient permanent magnet synchronous machine |
| CN106849420A (en) * | 2017-03-07 | 2017-06-13 | 大连众益电气工程有限公司 | A kind of raising switched reluctance motor |
-
2017
- 2017-07-04 CN CN201710535074.9A patent/CN107104569B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5122697A (en) * | 1990-04-30 | 1992-06-16 | Emerson Electric Co. | Hybrid single-phase variable reluctance motor |
| US5844343A (en) * | 1994-07-25 | 1998-12-01 | Emerson Electric Co. | Auxiliary starting switched reluctance motor |
| JP2001061240A (en) * | 1999-08-23 | 2001-03-06 | Daido Steel Co Ltd | Motor that rotates in one direction |
| JP2001186693A (en) * | 1999-12-27 | 2001-07-06 | Matsushita Refrig Co Ltd | Switched reluctance motor |
| WO2002097954A1 (en) * | 2001-05-31 | 2002-12-05 | Robert Bosch Gmbh | Two-phase, switched reluctance motor |
| JP2005012956A (en) * | 2003-06-20 | 2005-01-13 | Hitachi Home & Life Solutions Inc | Commutator motor and electric blower |
| JP2005295765A (en) * | 2004-04-05 | 2005-10-20 | Mitsuba Corp | Armature for dynamo-electric machine |
| JP2006149030A (en) * | 2004-11-17 | 2006-06-08 | Toyota Motor Corp | Vehicle drive system and vehicle equipped with it |
| JP2007143286A (en) * | 2005-11-17 | 2007-06-07 | Mitsuba Corp | Switched reluctance motor |
| US20100123426A1 (en) * | 2008-11-14 | 2010-05-20 | Denso Corporation | Reluctance motor with improved stator structure |
| CN202424445U (en) * | 2011-10-17 | 2012-09-05 | 上海电机学院 | Switch reluctance motor with parallel structure |
| US20170005555A1 (en) * | 2015-07-02 | 2017-01-05 | Purdue Research Foundation | Asymmetric salient permanent magnet synchronous machine |
| CN105322677A (en) * | 2015-10-29 | 2016-02-10 | 周斌欣 | Switched reluctance motor |
| CN106849420A (en) * | 2017-03-07 | 2017-06-13 | 大连众益电气工程有限公司 | A kind of raising switched reluctance motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107104569B (en) | 2023-04-25 |
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