CN203039542U - Segmented rotor parallel type magnetic flux switching double-salient-pole motor with hybrid excitation - Google Patents
Segmented rotor parallel type magnetic flux switching double-salient-pole motor with hybrid excitation Download PDFInfo
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- CN203039542U CN203039542U CN 201320018334 CN201320018334U CN203039542U CN 203039542 U CN203039542 U CN 203039542U CN 201320018334 CN201320018334 CN 201320018334 CN 201320018334 U CN201320018334 U CN 201320018334U CN 203039542 U CN203039542 U CN 203039542U
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Abstract
The utility model discloses a segmented rotor parallel type magnetic flux switching double-salient-pole motor with hybrid excitation. The motor is characterized in that an electric excitation part stator yoke (4) is provided with six electric excitation part armature teeth (9) and six electric excitation part excitation teeth (10) in a staggered manner, the electric excitation part armature teeth (9) and the electric excitation part excitation teeth (10) are oppositely arranged two by two, each electric excitation part armature tooth (9) is wound by an armature winding (3), each electric excitation part excitation tooth (10) is wound by an excitation winding (1), a permanent magnet part stator yoke (5) is provided with six permanent magnet part armature teeth (11) and six permanent magnet part excitation teeth (12), the permanent part armature teeth (11) and the permanent magnet part excitation teeth (12) are oppositely arranged two by two, each permanent magnet part armature tooth (11) is wound by an armature winding (3), a permanent magnet (2) is adhered on an upper surface of each permanent magnet excitation tooth (12), a magnetism isolating bushing (7) is connected with a motor shaft (13), a segmented rotor (6) is clamped in the magnetism isolating bushing (7) through dovetail grooves (14), and the elect excitation part stator yoke (4) and the permanent magnet part stator yoke (5) are embedded in a magnetism isolating housing (8) of the motor.
Description
Technical field
The utility model relates to a kind of segmented-rotor block form mixed excited magnetic pass switch dual salient pole machine, is applicable to the horizontal electrical domain that takes place frequently of speed change.
Background technology
Along with to the improving constantly and develop of permanent magnetic material performance, The Development of Permanent Magnet Machine is maked rapid progress, and has improved the power density of motor greatly, mainly is divided into rotor permanent-magnet type and stator permanent magnetic type electric.Segmented-rotor permanent magnet flux switch dual salient pole machine belongs to stator permanent magnetic type electric, compares with the rotor permanent magnet-type motor, and permanent magnet is installed simple, and heat radiation is convenient, and moment of inertia is little, is suitable for high-speed cruising, the operating safety factor height.In addition, segmented-rotor permanent magnet flux switch dual salient pole machine also has advantages such as double polarity sine magnetic linkage, winding overhang is little, copper loss is little.Therefore, segmented-rotor permanent magnet flux switch dual salient pole machine has obtained development at full speed.Yet except possessing above-mentioned advantage, segmented-rotor permanent magnet flux switch dual salient pole machine also has the total shortcoming of general magneto: 1) location torque is big.Location torque is to cause owing to energy hunting that slot effect causes, is the high frequency period pulsating wave.For the big problem of magneto location torque, numerous solutions have been proposed at present, as measures such as number of pole-pairs coupling, basic parameter optimization (changing pole embrace, channel opening width, gas length), skewed slot, pole form optimization, magnetic pole displacement, tooth pairing, auxiliary tooth/groove, knuckle, current harmonics penalty methods, all obtained certain effect.2) difficulty is regulated in magnetic field.Segmented-rotor permanent magnet flux switch dual salient pole machine is by regulating the armature winding electric current to reach the purpose of regulating magnetic field, and adjustable range is limited.In order under the prerequisite that keeps the every advantage of segmented-rotor permanent magnet flux switch dual salient pole machine, to widen its adjustable magnetic scope as far as possible, to satisfy the requirement of occasions such as speed governing, generating, furtherd investigate segmented-rotor block form mixed excited magnetic pass switch dual salient pole machine.
Summary of the invention
For solving the problem that difficulty is regulated in segmented-rotor permanent magnet flux switch dual salient pole machine magnetic field, the utility model proposes a kind of segmented-rotor block form mixed excited magnetic pass switch dual salient pole machine.This segmented-rotor block form mixed excited magnetic pass switch dual salient pole machine, comprise excitation winding, permanent magnet, armature winding, electricity excitation part stator yoke, permanent magnetism partial stator yoke, segmented-rotor, every magnetic lining and motor every the magnetic shell body, it is characterized in that: 6 electric excitation part armature tooths and 6 electric excitation division branch excitation teeth are crisscross arranged on the electric excitation part stator yoke, electricity excitation part armature tooth and electric excitation division branch excitation tooth are oppositely arranged respectively in twos, circle is around armature winding on the electricity excitation part armature tooth, the electricity excitation division divides on the excitation tooth circle around excitation winding, 6 permanent magnetism part armature tooths and 6 permanent magnetism part excitation teeth are crisscross arranged on the permanent magnetism partial stator yoke, permanent magnetism part armature tooth and permanent magnetism part excitation tooth are oppositely arranged respectively in twos, circle is around armature winding on the permanent magnetism part armature tooth, Surface Mount permanent magnet on the permanent magnetism part excitation tooth, link to each other with motor shaft every the magnetic lining, segmented-rotor is stuck in the magnetic lining by dovetail groove, and electric excitation part stator yoke and permanent magnetism partial stator yoke are nested in motor in the magnetic shell body.Permanent magnet radially magnetizes, and the permanent magnet magnetizing direction of placed adjacent is opposite.Excitation winding is in series circle on electric excitation division branch excitation tooth, adopts and concentrates winding; Abide by the right-hand rule, the energising direction in each excitation winding all should be identical or opposite with the magnetizing direction of permanent magnet on its corresponding permanent magnetism part excitation tooth.The armature winding circle is divided into three-phase on the electric excitation part electric excitation part armature tooth corresponding with the permanent magnetism part and permanent magnetism part armature tooth, on relative two armature tooths circle around the armature winding differential concatenation form a phase.The rotor number of poles can be expanded and be: 12/5,12/7,12/8,12/10,12/11,24/10,24/14,24/16,24/20,24/22, and wherein the slash front is stator poles, the slash back is the segmented-rotor number.
The adjustable magnetic method of segmented-rotor block form mixed excited magnetic pass switch dual salient pole machine, the permanent magnet Surface Mount is on 6 excitation teeth of permanent magnetism part, and is relative with rotor, radially magnetizes, and the permanent magnet magnetizing direction of placed adjacent is opposite; Permanent magnetic field is closed behind permanent magnet, stator yoke, air gap, segmented-rotor successively, and electricity excitation magnetic field is closed behind stator yoke, air gap, segmented-rotor, can realize the wide region adjustable magnetic by regulating the excitation winding electric current.
The utility model can carry out the magnetic field adjusting of wide region to motor, to adapt to the requirement of variable speed constant frequency generator by direct current size in the magnet exciting coil that changes electric excitation part.Owing to adopt this special construction of segmented-rotor, and armature winding is every the tooth coiling, thereby along with the rotor rotation, and the magnetic linkage of linkage carries out bipolarity and changes in the armature winding, and has short magnetic circuit feature, has effectively reduced the motor iron loss; This structure has certain effect of contraction to magnetic circuit simultaneously, has reduced the interaction between the winding, phase winding mutual inductance self-induction ratio is down to below 5%, thereby makes motor itself have more excellent fault freedom, has improved the reliability of motor.
In sum, the segmented-rotor block form mixed excited magnetic pass switch dual salient pole machine that the utility model proposes is under the prerequisite of possessing segmented-rotor permanent magnet flux switch dual salient pole machine advantage, have wideer adjustable magnetic scope and fault freedom preferably, be applicable to the variable speed constant frequency generator system.
Description of drawings
Fig. 1 is that structure of the present utility model is combined to schematic cross-section;
Fig. 2 is electric excitation division separation structure schematic cross-section of the present utility model;
Fig. 3 is permanent magnetism part-structure schematic cross-section of the present utility model.
Number in the figure title: 1, excitation winding, 2, permanent magnet, 3, armature winding, 4, electric excitation part stator yoke, 5, permanent magnetism partial stator yoke, 6, segmented-rotor, 7, every magnetic lining, 8, motor every the magnetic shell body, 9, electric excitation part armature tooth, 10, electric excitation division divides the excitation tooth, 11, permanent magnetism part armature tooth, 12, permanent magnetism part excitation tooth, 13, motor shaft
, 14,Dovetail groove.Al, A2, Bl, B2, Cl, C2: electric excitation part armature tooth and the armature coil on the electric excitation part armature tooth; Fl, F2, F3, F4, F5, F6: electric excitation division divides excitation tooth and the magnet exciting coil on the electric excitation part armature tooth; Al1, A22, Bl1, B22, Cl1, C22: permanent magnetism part armature tooth and the armature coil on the permanent magnetism part armature tooth; Fl1, F22, F33, F44, F55, F66: permanent magnetism part excitation tooth and the superincumbent permanent magnet of Surface Mount.The direction of arrow is the permanent magnet magnetizing direction.
Embodiment
As shown in the figure, a kind of segmented-rotor block form mixed excited magnetic pass switch dual salient pole machine, comprise excitation winding 1, permanent magnet 2, armature winding 3, electricity excitation part stator yoke 4, permanent magnetism partial stator yoke 5, segmented-rotor 6, every magnetic lining 7 and motor every magnetic shell body 8, it is characterized in that: 6 electric excitation part armature tooths 9 and 6 electric excitation division branch excitation teeth 10 are crisscross arranged on the electric excitation part stator yoke 4, electricity excitation part armature tooth 9 is oppositely arranged respectively in twos with electric excitation division branch excitation tooth 10, circle is around armature winding 3 on the electricity excitation part armature tooth 9, the electricity excitation division divides on the excitation tooth 10 circle around excitation winding 1,6 permanent magnetism part armature tooths 11 and 6 permanent magnetism part excitation teeth 12 are crisscross arranged on the permanent magnetism partial stator yoke 5, permanent magnetism part armature tooth 11 is oppositely arranged respectively in twos with permanent magnetism part excitation tooth 12, circle is around armature winding 3 on the permanent magnetism part armature tooth 11, Surface Mount permanent magnet 2 on the permanent magnetism part excitation tooth 12, link to each other with motor shaft 13 every magnetic lining 7, segmented-rotor 6 is stuck in magnetic lining 7 by dovetail groove 14, and electric excitation part stator yoke 4 and permanent magnetism partial stator yoke 5 are nested in motor in the magnetic shell body.Described permanent magnet 2 radially magnetizes, and the permanent magnet magnetizing direction of placed adjacent is opposite.Excitation winding 1 is in series circle on electric excitation division branch excitation tooth 10, adopts and concentrates winding; Abide by the right-hand rule, the energising direction in each excitation winding all should be identical or opposite with the magnetizing direction of permanent magnet on its corresponding permanent magnetism part excitation tooth 12.Armature winding 3 circles are divided into three-phase on the electric excitation part electric excitation part armature tooth 9 corresponding with the permanent magnetism part and permanent magnetism part armature tooth 11, on relative two armature tooths circle around the armature winding differential concatenation form a phase.The rotor number of poles is expanded: 12/5,12/7,12/8,12/10,12/11,24/10,24/14,24/16,24/20,24/22, and wherein the slash front is stator poles, the slash back is the segmented-rotor number.A kind of adjustable magnetic method based on above-mentioned segmented-rotor block form mixed excited magnetic pass switch dual salient pole machine, it is characterized in that: permanent magnet 2 Surface Mounts are on 6 excitation teeth 12 of permanent magnetism part, relative with rotor, radially magnetize, the permanent magnet magnetizing direction of placed adjacent is opposite; Permanent magnetic field is closed behind permanent magnet, stator yoke, air gap, segmented-rotor successively, and electricity excitation magnetic field is closed behind stator yoke, air gap, segmented-rotor, can realize the wide region adjustable magnetic by regulating the excitation winding electric current.
Stationary part of the present utility model is made of every magnetic shell body, electric excitation part stator yoke, permanent magnetism partial stator yoke, permanent magnet, excitation winding and armature winding motor.As shown in Figure 2, electricity excitation part stator yoke and permanent magnetism partial stator yoke are formed by silicon steel plate stacking, contain 12 tooth utmost points separately, be staggered by 6 armature tooths and 6 excitation teeth, 6 armature tooths of electric excitation part and 6 excitation tooth difference circles are around armature winding and excitation winding.As shown in Figure 3, on 6 armature tooths of permanent magnetism part circle around armature winding, 6 excitation tooth Surface Mount permanent magnets.6 permanent magnets all radially magnetize, and two permanent magnet magnetizing directions of placed adjacent are opposite, and shown in arrow among Fig. 3, excitation winding and armature winding are centralized winding, electric excitation part and permanent magnetism partial common one cover armature winding.6 excitation winding are connected through certain way, when guaranteeing to lead to direct current, follow the right-hand rule, and excitation magnetic linkage direction is identical or opposite with corresponding permanent magnetism magnetizing direction: when direction was identical, machine operation was increasing magnetic state; When direction was opposite, machine operation was in weak magnetic state.Permanent magnetic field is through permanent magnet one stator yoke one air gap one segmented-rotor closure, electricity excitation magnetic field is through stator yoke one air gap one segmented-rotor closure, because stator yoke magnetic field degree of saturation is not high, thereby changes direct current size in the electric magnet exciting coil, can carry out the magnetic field adjusting of wide region to motor.6 armature winding are divided into three-phase, on the radially relative armature tooth circle around armature winding form a phase through anti-phase series connection, as loop A l and A2 anti-phase series connection be A mutually, coil Bl with B2 anti-phase series connection be B mutually, coil Cl with C2 anti-phase series connection be C mutually.
Rotor portion of the present utility model constitutes by 8 segmented-rotors of electric excitation part, 8 segmented-rotors of permanent magnetism part with every the magnetic lining.Link to each other with machine shaft every the magnetic lining, segmented-rotor snaps in the magnetic lining through dovetail groove.When rotor rotated, the magnetic linkage of linkage carried out the bipolarity variation with rotor-position in the armature winding.This rotor has the effect of constraint magnetic circuit in addition, not only effectively shortens magnetic flux path, reduces the motor iron loss, and the mutual inductance between the armature winding of having weakened greatly, has strengthened the fault freedom of motor.Whole rotor portion is cylinder, and the windage in the time of can reducing to rotate is conducive to the motor high-speed cruising.
The utility model can be applied to other segmented-rotor block form mixed excited magnetic pass switch dual salient pole machine, as:
A. stator poles is 12 (6 armature tooths, 6 excitation teeth), and rotor number of poles (segmented-rotor piece number) is 5;
B. stator poles is 12 (6 armature tooths, 6 excitation teeth), and the rotor number of poles is 7;
C. stator poles is 12 (6 armature tooths, 6 excitation teeth), and the rotor number of poles is 8;
D. stator poles is 12 (6 armature tooths, 6 excitation teeth), and the rotor number of poles is 10;
E. stator poles is 12 (6 armature tooths, 6 excitation teeth), and the rotor number of poles is 11;
F. stator poles is 24 (12 armature tooths, 12 excitation teeth), and the rotor number of poles is 10;
G. stator poles is 24 (12 armature tooths, 12 excitation teeth), and the rotor number of poles is 14;
H. stator poles is 24 (12 armature tooths, 12 excitation teeth), and the rotor number of poles is 16;
I. stator poles is 24 (12 armature tooths, 12 excitation teeth), and the rotor number of poles is 20;
J. stator poles is 24 (12 armature tooths, 12 excitation teeth), and the rotor number of poles is 22.
In the above topology, a, b, e can make the empty load of motor back-emf have higher sinusoidal degree, but because the rotor number of poles is odd number, motor has asymmetric magnetic pull; There are not the asymmetric magnetic pull of rotor in c, d structure, but the back-emf sine is to being not so good as structure a, b, e.H-j then can make motor in the back-emf sine, does not have asymmetric magnetic pull.
Claims (5)
1. segmented-rotor block form mixed excited magnetic pass switch dual salient pole machine, comprise excitation winding (1), permanent magnet (2), armature winding (3), electricity excitation part stator yoke (4), permanent magnetism partial stator yoke (5), segmented-rotor (6), every magnetic lining (7) and motor every magnetic shell body (8), it is characterized in that: 6 electric excitation part armature tooths (9) and 6 electric excitation division branch excitation teeth (10) are crisscross arranged on the electric excitation part stator yoke (4), electricity excitation part armature tooth (9) is oppositely arranged respectively in twos with electric excitation division branch excitation tooth (10), electricity excitation part armature tooth (9) is gone up circle around armature winding (3), the electricity excitation division divides excitation tooth (10) to go up circle around excitation winding (1), 6 permanent magnetism part armature tooths (11) and 6 permanent magnetism part excitation teeth (12) are crisscross arranged on the permanent magnetism partial stator yoke (5), permanent magnetism part armature tooth (11) is oppositely arranged respectively in twos with permanent magnetism part excitation tooth (12), permanent magnetism part armature tooth (11) is gone up circle around armature winding (3), permanent magnetism part excitation tooth (12) is gone up Surface Mount permanent magnet (2), link to each other with motor shaft (13) every magnetic lining (7), segmented-rotor (6) is stuck in magnetic lining (7) by dovetail groove (14), and electric excitation part stator yoke (4) and permanent magnetism partial stator yoke (5) are nested in motor in magnetic shell body (8).
2. segmented-rotor block form mixed excited magnetic pass switch dual salient pole machine according to claim 1, it is characterized in that: described permanent magnet (2) radially magnetizes, and the permanent magnet magnetizing direction of placed adjacent is opposite.
3. segmented-rotor block form mixed excited magnetic pass switch dual salient pole machine according to claim 1, it is characterized in that: excitation winding (1) is in series circle on electric excitation division branch excitation tooth (10), adopts and concentrates winding; Abide by the right-hand rule, the energising direction in each excitation winding all should be identical or opposite with the magnetizing direction of permanent magnet on its corresponding permanent magnetism part excitation tooth (12).
4. segmented-rotor block form mixed excited magnetic pass switch dual salient pole machine according to claim 1, it is characterized in that: armature winding (3) circle is divided into three-phase on the electric excitation part electric excitation part armature tooth (9) corresponding with the permanent magnetism part and permanent magnetism part armature tooth (11), on relative two armature tooths circle around the armature winding differential concatenation form a phase.
5. segmented-rotor block form mixed excited magnetic pass switch dual salient pole machine according to claim 1, it is characterized in that: the rotor number of poles is expanded and is: 12/5,12/7,12/8,12/10,12/11,24/10,24/14,24/16,24/20,24/22, wherein the slash front is stator poles, and the slash back is the segmented-rotor number.
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| CN 201320018334 CN203039542U (en) | 2013-01-15 | 2013-01-15 | Segmented rotor parallel type magnetic flux switching double-salient-pole motor with hybrid excitation |
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| CN 201320018334 CN203039542U (en) | 2013-01-15 | 2013-01-15 | Segmented rotor parallel type magnetic flux switching double-salient-pole motor with hybrid excitation |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103929034A (en) * | 2013-01-15 | 2014-07-16 | 济南吉美乐电源技术有限公司 | Segmented-rotor paratactic mixed excitation magnetic flow switching double-salient-pole motor |
| CN103944288A (en) * | 2014-04-28 | 2014-07-23 | 南京航空航天大学 | Magnetic-circuit-complementation-type stator electrically excited synchronous motor |
| CN105141098A (en) * | 2015-09-21 | 2015-12-09 | 华晨汽车集团控股有限公司 | Switched reluctance motor with segmental rotor |
| CN106208574A (en) * | 2016-08-17 | 2016-12-07 | 上海交通大学 | A kind of piecemeal rotator type bimorph transducer becomes magnetic flux reluctance motor |
| CN106655550A (en) * | 2017-01-14 | 2017-05-10 | 山东理工大学 | Electric roller motor |
| CN106712339A (en) * | 2017-03-20 | 2017-05-24 | 山东理工大学 | Excitation fault tolerant running electric drum motor |
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2013
- 2013-01-15 CN CN 201320018334 patent/CN203039542U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103929034A (en) * | 2013-01-15 | 2014-07-16 | 济南吉美乐电源技术有限公司 | Segmented-rotor paratactic mixed excitation magnetic flow switching double-salient-pole motor |
| CN103944288A (en) * | 2014-04-28 | 2014-07-23 | 南京航空航天大学 | Magnetic-circuit-complementation-type stator electrically excited synchronous motor |
| CN103944288B (en) * | 2014-04-28 | 2016-11-16 | 南京航空航天大学 | A kind of magnetic circuit complementary type stator electric excitation synchronous motor |
| CN105141098A (en) * | 2015-09-21 | 2015-12-09 | 华晨汽车集团控股有限公司 | Switched reluctance motor with segmental rotor |
| CN106208574A (en) * | 2016-08-17 | 2016-12-07 | 上海交通大学 | A kind of piecemeal rotator type bimorph transducer becomes magnetic flux reluctance motor |
| CN106208574B (en) * | 2016-08-17 | 2019-01-11 | 上海交通大学 | A kind of piecemeal rotator type bimorph transducer change magnetic flux reluctance motor |
| CN106655550A (en) * | 2017-01-14 | 2017-05-10 | 山东理工大学 | Electric roller motor |
| CN106655550B (en) * | 2017-01-14 | 2019-01-18 | 山东理工大学 | A kind of motorized roller motor |
| CN106712339A (en) * | 2017-03-20 | 2017-05-24 | 山东理工大学 | Excitation fault tolerant running electric drum motor |
| CN106712339B (en) * | 2017-03-20 | 2018-08-31 | 山东理工大学 | A kind of motorized pulleys motor of excitation fault fault-tolerant operation |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20170115 |