CN201393164Y - Switching reluctance motor - Google Patents
Switching reluctance motor Download PDFInfo
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- CN201393164Y CN201393164Y CN200920135797U CN200920135797U CN201393164Y CN 201393164 Y CN201393164 Y CN 201393164Y CN 200920135797 U CN200920135797 U CN 200920135797U CN 200920135797 U CN200920135797 U CN 200920135797U CN 201393164 Y CN201393164 Y CN 201393164Y
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Abstract
The utility model is suitable for motor technology field and provided a switching reluctance motor which comprises a magnetic conduction base, at least a stator fixed on the magnetic conduction base, a motor shaft penetrating the central axis of the stator and a rotor fixed on the motor shaft, wherein the rotor has magnetic property, the stator is axially relative to the rotor, each stator is provided with a stator winding which enables the stator to generate repulsion force to the rotor, and the magnetic flux generated by the stator winding is in parallel to the motor shaft. In the switching reluctance motor, both attractive force and repulsion force exist between the stator and the rotor, the attractive force and repulsion force are same in size and consistent in direction, thus, compared with traditional switching reluctance motors, the power density of motor is enhanced, and the utilization ratios of the motor winding and magnetic path are enhanced, and the torque ripple is reduced.
Description
Technical field
The utility model belongs to the technical field of motor, relates in particular to a kind of switched reluctance machines.
Background technology
Switched reluctance machines is the buncher of new generation that utilizes the magnetic resistance principle, has function admirable, firm, braking simple in structure and low speed torque is big, electric current is little characteristics, and have high efficiency advantage in wide speed range, is just obtaining using increasingly extensively.
Traditional switched reluctance machines is the biconvex electrode structure of radial air gap, Fig. 1 shows the structure of conventional switch reluctance motor, when rotor 1 does not overlap with stator 2 near stator 2, the magnetic resistance maximum, stator winding 3 energisings, produce electromagnetic torque, pulling rotor 1 is when rotor 1 turns over certain angle and overlaps with stator 2, the magnetic resistance minimum, at this moment stator winding 3 outages in order to avoid produce brake torque, consider that the inductance of stator winding 3 has the afterflow effect, so the electric current on the stator winding 3 will turn-off in advance, in a swing circle, only less than the time of half, 3 pairs of rotors 1 of stator winding have produced torque like this, the utilance of motor windings and magnetic circuit is very low, the power density of motor is little, and owing to generation of torque is interrupted, so torque pulsation is bigger.
The utility model content
The purpose of this utility model is to provide a kind of switched reluctance machines, is intended to solve existing switched reluctance machines and exists the utilance of motor windings and magnetic circuit very low, and the power density of motor is little, the problem that torque pulsation is bigger.
The utility model is to realize like this, a kind of switched reluctance machines, comprise the magnetic conduction support, be fixed at least more than one stator on the magnetic conduction support, run through the motor shaft of stator axis, and be fixed on rotor on the motor shaft, described rotor banding is magnetic, described stator is relative vertically with rotor, and each stator is provided with and can makes the stator winding of stator to rotor generation repulsive force, and the magnetic flux that described stator winding produces is parallel with described motor shaft.
In the utility model, both there had been the suction-combining force between the stator of switched reluctance machines and the rotor, there is repulsive force again, their equal and opposite in directions, the direction unanimity is compared with traditional switched reluctance machines like this, has improved the power density of motor, and improved the utilance of motor windings and magnetic circuit, reduced torque pulsation.
Description of drawings
Fig. 1 is the structure chart of conventional switch reluctance motor;
Fig. 2 is the structure chart of the switched reluctance machines that provides of the utility model first embodiment;
Fig. 3 is the structure chart of the switched reluctance machines that provides of the utility model second embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 2 shows the structure of the switched reluctance machines that the utility model first embodiment provides, and for convenience of explanation, only shows the part relevant with the utility model embodiment.
Switched reluctance machines comprises magnetic conduction support 4, be fixed at least more than one stator 5 on the magnetic conduction support 4, the motor shaft 6 that runs through stator 5 axis, and be fixed on rotor 7 on the motor shaft 6, rotor 7 has magnetic, one side of rotor 7 is the N utmost point, be the S utmost point on one side, stator 5 is relative vertically with rotor 7, as the utility model first embodiment, stator 5 and rotor 7 be the soft magnetic bodies for being overrided to form by soft magnetic material all, soft magnetic material is materials such as silicon steel sheet, the excitation winding 8 that magnetized rotor 7 is arranged on each stator 5, the magnetic that rotor 7 has is produced by excitation winding 8, the magnetic flux that excitation winding 8 produces is parallel with motor shaft 6, and each stator 5 is provided with the stator winding 9 that can make 5 pairs of rotors of stator 7 produce repulsive force, and the magnetic flux that stator winding 9 produces is parallel with motor shaft 6.
In the motor operation course, excitation winding 8 remains energising, has the fixing N utmost point, the S utmost point to keep rotor 7, stator winding 9 is according to relative position energising or the outage of rotor 7 with stator 5, when rotor 7 during near stator 5, stator winding 9 is not switched on, because rotor 7 has magnetic, produce the suction-combining force between stator 5 and the rotor 7, rotor 7 moves closer to stator 5, when rotor 7 passes through stator 5, and stator winding 9 energisings, produce the magnetic opposite, 5 pairs of rotors of stator, 7 generation repulsive forces with rotor 7.Because the suction-combining force is consistent with the torque direction that repulsive force produces, motor has just rotated continuously.
Stator 5 adopts 6/4,8/6 or 12/8 with the number of pole-pairs fit form of rotor 7.
Fig. 3 shows the structure of the switched reluctance machines that the utility model second embodiment provides.
Switched reluctance machines comprises magnetic conduction support 4, be fixed at least more than one stator 5 on the magnetic conduction support 4, the motor shaft 6 that runs through stator 5 axis, and be fixed on rotor 7 on the motor shaft 6, rotor 7 has magnetic, one side of rotor 7 is the N utmost point, be the S utmost point on one side, stator 5 is relative vertically with rotor 7, as the utility model second embodiment, rotor 7 is permanent magnets, stator 5 is the soft magnetic bodies that are overrided to form by soft magnetic material, soft magnetic material is materials such as silicon steel sheet, and each stator 5 is provided with the stator winding 9 that can make 5 pairs of rotors of stator 7 produce repulsive force, and the magnetic flux that stator winding 9 produces is parallel with motor shaft 6.
In the motor operation course, rotor 7 has the fixing N utmost point, the S utmost point, and stator winding 9 is according to relative position energising or the outage of rotor 7 with stator 5, because rotor 7 itself has magnetic, when rotor 7 during near stator 5, stator winding 9 is not switched on, and produces the suction-combining force between stator 5 and the rotor 7, and rotor 7 moves closer to stator 5, when rotor 7 passes through stator 5, stator winding 9 energising produces the magnetic opposite with rotor 7,5 pairs of rotors of stator, 7 generation repulsive forces.Because the suction-combining force is consistent with the torque direction that repulsive force produces, motor has just rotated continuously.
In the utility model embodiment, both there had been the suction-combining force between the stator of switched reluctance machines and the rotor, there is repulsive force again, their equal and opposite in directions, the direction unanimity is compared with traditional switched reluctance machines like this, has improved the power density of motor, and improved the utilance of motor windings and magnetic circuit, reduced torque pulsation.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (5)
1, a kind of switched reluctance machines, comprise the magnetic conduction support, be fixed at least more than one stator on the magnetic conduction support, run through the motor shaft of stator axis, and be fixed on rotor on the motor shaft, it is characterized in that, described rotor banding is magnetic, described stator is relative vertically with rotor, and each stator is provided with and can makes the stator winding of stator to rotor generation repulsive force, and the magnetic flux that described stator winding produces is parallel with described motor shaft.
2, switched reluctance machines as claimed in claim 1 is characterized in that, described stator and rotor be the soft magnetic bodies for being overrided to form by soft magnetic material all.
3, switched reluctance machines as claimed in claim 2 is characterized in that, the excitation winding of magnetized rotor is arranged on described each stator, and the magnetic that described rotor has is produced by excitation winding, and the magnetic flux that described excitation winding produces is parallel with described motor shaft.
4, switched reluctance machines as claimed in claim 1 is characterized in that, described rotor is a permanent magnet, and described stator is the soft magnetic bodies that is overrided to form by soft magnetic material.
As each described switched reluctance machines of claim 1-4, it is characterized in that 5, the number of pole-pairs fit form of described stator and rotor adopts 6/4,8/6 or 12/8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920135797U CN201393164Y (en) | 2009-03-20 | 2009-03-20 | Switching reluctance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920135797U CN201393164Y (en) | 2009-03-20 | 2009-03-20 | Switching reluctance motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201393164Y true CN201393164Y (en) | 2010-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920135797U Expired - Lifetime CN201393164Y (en) | 2009-03-20 | 2009-03-20 | Switching reluctance motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201393164Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860159A (en) * | 2010-04-13 | 2010-10-13 | 深圳市轴心自控技术有限公司 | Novel switched reluctance motor |
| CN101976898A (en) * | 2010-11-01 | 2011-02-16 | 深圳市轴心自控技术有限公司 | Novel motor |
| CN103001435A (en) * | 2011-09-15 | 2013-03-27 | 三星电机株式会社 | Switched reluctance motor |
-
2009
- 2009-03-20 CN CN200920135797U patent/CN201393164Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860159A (en) * | 2010-04-13 | 2010-10-13 | 深圳市轴心自控技术有限公司 | Novel switched reluctance motor |
| CN101976898A (en) * | 2010-11-01 | 2011-02-16 | 深圳市轴心自控技术有限公司 | Novel motor |
| CN103001435A (en) * | 2011-09-15 | 2013-03-27 | 三星电机株式会社 | Switched reluctance motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN AXXON AUTOMATION CO., LTD. Free format text: FORMER OWNER: LIU MEINUO Effective date: 20101116 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 402, NO.11, LANE 3, DAMIAOQIAN ROAD, XINQIAO, SHAJING, BAOAN, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518000 SHENZHEN AXXON AUTOMATION CO., LTD., 3C, TOWER CD, TIANJI BUILDING, CHEGONGMIAO, FUTIAN DISTRICT, SHENZHEN CITY, GUANGZHOU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101116 Address after: 518000, Guangdong, Futian District, Che Kung Temple Tian Jian building CD block 3C Shenzhen Shenzhen axle control technology Co., Ltd. Patentee after: Shenzhen Axxon Automation Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan manhole Bridge No. 11 Lane 402 Temple Road 3 Patentee before: Liu Meina |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100127 |
|
| CX01 | Expiry of patent term |