CN103259350A - Double-speed winding magnetic flow switching type motor - Google Patents
Double-speed winding magnetic flow switching type motor Download PDFInfo
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- CN103259350A CN103259350A CN201310096614XA CN201310096614A CN103259350A CN 103259350 A CN103259350 A CN 103259350A CN 201310096614X A CN201310096614X A CN 201310096614XA CN 201310096614 A CN201310096614 A CN 201310096614A CN 103259350 A CN103259350 A CN 103259350A
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Abstract
The invention discloses a double-speed winding magnetic flow switching type motor. The double-speed winding magnetic flow switching type motor comprises a stator and a rotor, wherein the stator comprises a plurality of pairs of low-speed stator teeth and a plurality of pairs of high-speed stator teeth, the low-speed stator teeth and the high-speed stator teeth face the rotor, and magnets are arranged in the low-speed stator teeth and in the high-speed stator teeth. A low-speed concentrated winding coil is arranged on each low-speed stator tooth, a high-speed concentrated winding coil is arranged on each high-speed stator tooth, energizing winding switching between low-speed operation and high-speed operation of the motor can be achieved through distribution of control signals, performance requirements of the double-speed winding magnetic flow switching type motor in a low-speed area and in a high-speed area can be met, and high torque output in a constant torque area and wide speed regulation operation in a constant power area can be both achieved.
Description
Technical field
The present invention relates to the technical field that motor is made, relate in particular to a kind of double speed Magneticflux-switching type magneto.
Background technology
Along with the continuous aggravation of energy crisis, research and develop and apply the high-effect rare-earth permanent-magnet electric machine of new structure to save the energy, have important significance for theories and practical value.The present hybrid vehicle of broad research particularly requires that wherein motor driven systems volume is little, in light weight, efficient is high, torque is exerted oneself greatly, speed-regulating range width etc.The Magneticflux-switching type magneto is as a kind of typical stator permanent magnetic type doubly-salient brushless motor, both do not had permanent magnet on its rotor and do not had winding yet, permanent magnet and concentrated armature winding all are positioned on the stator, according to " magnetic flux switching " principle work, have highly sinusoidal unloaded induced potential, rotor structure simple rigid, be fit to high-speed cruising, power density advantages of higher, in fields such as industrial drives, electrical speed regulation, stirring system, electric automobile, household electrical appliance, textile machine, demonstrated powerful competitiveness and wide application prospect.
The application scenario that with the drive system of electric automobile is representative requires electric system can realize the big torque output of Heng Zhuanjuqu and the wide range speed control operation of Heng Gongshuaiqu.Yet for the motor driven systems of routine, these two require to be difficult to satisfy simultaneously.Its reason is that the big torque output of low regime and the permanent power weak magnetic field operation of high velocity are a pair of contradiction that can't be in harmonious proportion, and can only take into account the performance requirement in two zones usually when design motor and controller, and can't give full play to the maximum capacity in zone separately.Particularly, several teeth evenly distribute on traditional magnetic flux switching shape permanent magnet motor stator, profile of tooth is identical, winding adopts even winding, be to be with the centralized coil that the number of turn is identical and the line footpath is identical on each stator tooth, with a stator slot dimidiation, the circle limit that belongs to out of phase two coils is arranged in the same stator slot side by side.Heterogeneous symmetric winding coil evenly distributes along stator circumference, and several coils are formed a phase winding according to performance requirement series, parallel or series-parallel connection, and all coils that motor is formed this phase when working is mutually all switched on.Adopt the Magneticflux-switching type magneto of above-mentioned traditional winding construction to present preferable performance in the some operation areas in low regime or high velocity, be difficult to satisfy simultaneously the high performance requirements in the whole service scope, limited it and required at electric automobile etc. that low speed high torque fan-out capability in short-term is strong, further popularization and the development of the application scenario of the permanent power of high speed district wide ranges.
So, need a kind of new technical scheme to address the above problem.
Summary of the invention
The objective of the invention is the deficiency at the prior art existence, a kind of double speed winding magnetic pass switching electromotor that can realize big torque output with the wide range speed control operation of Heng Gongshuaiqu of Heng Zhuanjuqu simultaneously is provided.
For achieving the above object, double speed winding magnetic pass switching electromotor of the present invention can adopt following technical scheme:
A kind of double speed winding magnetic pass switching electromotor comprises stator and rotor, and described stator comprises that wherein a pair of low speed stator tooth is radially relative to low speed stator tooth and some to the high speed stator tooth in the face of rotor some, and a pair of high speed stator tooth is radially relative; Be equipped with magnet in described low speed stator tooth and the high speed stator tooth; Described low speed stator tooth is provided with low speed and concentrates winding coil, described high speed stator tooth is provided with concentrates winding coil at a high speed, described low speed stator tooth and high speed stator tooth are crisscross arranged, two low speed on described every pair of low speed stator tooth are concentrated winding order serial or parallel connection, and two on described every pair of high speed stator tooth concentrated winding order serial or parallel connection at a high speed.
Compared with prior art, the stator of double speed winding magnetic pass switching electromotor of the present invention is provided with low speed stator tooth and high speed stator tooth, distribution by control signal, the energising winding that this motor is implemented between low cruise and the high-speed cruising switches, make this double speed winding magnetic pass switching electromotor can satisfy the performance requirement of low regime and high velocity simultaneously, all can realize so that the wide range speed control of the big torque output of Heng Zhuanjuqu and Heng Gongshuaiqu operates on this double speed winding magnetic pass switching electromotor.
Further, described stator and rotor are salient-pole structure, and magnet, low speed are concentrated winding and concentrated winding all to be positioned on the stator no winding and magnet on the rotor at a high speed.Being provided with like this is beneficial to magnet and armature winding heat radiation, simultaneously, both do not had winding on the rotor, also do not have magnet, and moment of inertia is little, and rotor structure is firm reliable, strong robustness, suitable high-speed cruising
Further, described low speed winding and high speed winding are worked independently of one another, and the low speed winding is switched on separately in the permanent torque range of low speed, and the high speed winding is switched on separately in the permanent power bracket of high speed.
Further, described stator comprises some U-shaped core unit and is sandwiched in magnet between the two U-shaped core unit, and a fit side of this magnet of described each magnet and two U-shaped core unit is formed a low speed stator tooth or a high speed stator tooth.This kind is simple in structure, and U-shaped core unit can be used as the convenient manufacturing of standard component, is conducive to cost and reduces.
Description of drawings
Fig. 1 is the structural representation of double speed winding magnetic pass switching electromotor of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention, should understand these embodiment only is used for explanation the present invention and is not used in and limits the scope of the invention, after having read the present invention, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present invention.
The present invention discloses a kind of double speed winding magnetic pass switching electromotor, sees also shown in Figure 1ly, is example with threephase stator 12 grooves/rotor 10 utmost point Magneticflux-switching type magnetoes.Double speed Magneticflux-switching type magneto of the present invention comprises: stator and rotor 5, described stator comprises some U-shaped stator cores unit 1, some permanent magnets 4 and rotor 5, and be embedded with a permanent magnet between two adjacent U-shaped stator core unit 1, permanent magnet replaces cutting orientation magnetizing, rotor 5 is positioned at the inside (also can make outer-rotor structure) of stator, stator and rotor 5 are salient-pole structure, and U-shaped stator core unit 1 and rotor 5 can adopt silicon steel punching to press folded making, and make simple.In the present embodiment, a fit side of this magnet of described each permanent magnet 4 and two U-shaped core unit is formed a low speed stator tooth or a high speed stator tooth.Described low speed stator tooth is provided with low speed and concentrates winding coil, and described high speed stator tooth is provided with concentrates winding coil at a high speed, and described low speed stator tooth and high speed stator tooth are crisscross arranged.Wherein three-phase low speed is concentrated winding 2 to have six low speed and is concentrated winding coil, and three-phase concentrates winding 3 also to have six high speeds to concentrate winding coil at a high speed.
Three-phase low speed concentrates first low speed of winding 2 to concentrate winding coil 2A1 and the 4th low speed to concentrate winding coil 2A2 radially relative, all be placed in the stator slot of stator 1, both order serial or parallel connections are formed A phase low speed and are concentrated winding, and will guarantee that the magnetic linkage after the energising of two winding coils flows to mutually suitable.
Three-phase low speed concentrates second low speed of winding 2 to concentrate winding coil 2B1 and the 5th low speed to concentrate winding coil 2B2 radially relative, all be placed in the stator slot of stator 1, both order serial or parallel connections are formed B phase low speed and are concentrated winding, and will guarantee that the magnetic linkage after the energising of two winding coils flows to mutually suitable.
Three-phase low speed concentrates the 3rd low speed of winding 2 to concentrate winding coil 2C1 and the 6th low speed to concentrate winding coil 2C2 radially relative, all be placed in the stator slot of stator 1, both order serial or parallel connections are formed C phase low speed and are concentrated winding, and will guarantee that the magnetic linkage after the energising of two winding coils flows to mutually suitable.
Three-phase concentrates second of winding 3 to concentrate winding coil 3a1 and the 5th to concentrate winding coil 3a2 radially relative at a high speed at a high speed at a high speed, all be placed in the stator slot of stator 1, both order serial or parallel connections are formed a and are concentrated winding mutually at a high speed, and will guarantee that the magnetic linkage after the energising of two winding coils flows to mutually suitable.
Three-phase concentrates the 3rd of winding 3 to concentrate winding coil 3b1 and the 6th to concentrate winding coil 3b2 radially relative at a high speed at a high speed at a high speed, all be placed in the stator slot of stator 1, both order serial or parallel connections are formed b and are concentrated winding mutually at a high speed, and will guarantee that the magnetic linkage after the energising of two winding coils flows to mutually suitable.
Three-phase concentrates first of winding 3 to concentrate winding coil 3c1 and the 4th to concentrate winding coil 3c2 radially relative at a high speed at a high speed at a high speed, all be placed in the stator slot of stator 1, both order serial or parallel connections are formed c and are concentrated winding mutually at a high speed, and will guarantee that the magnetic linkage after the energising of two winding coils flows to mutually suitable.
As shown in Figure 1, the magnetic flux switching principle is followed in flux switch motor work, and along with the rotor rotation, the permanent magnetism magnetic linkage of linkage presents sinusoidal variations trend in each centralized coil of armature winding, induces the unloaded induced potential of sinusoidal variations in each coil of armature winding.Therefore, when feeding three symmetrical alternating currents for A-B-C three-phase low speed winding coil, motor has stable rotating speed and electromagnetic torque output, and this moment, machine operation was in the low speed high torque output state; In like manner, when feeding three symmetrical alternating currents for a-b-c three-phase high speed winding coil, the motor tool also has stable rotating speed and electromagnetic torque output, and this moment, machine operation was in high speed low torque output state.
The present invention only can make motor export big torque when the low cruise by changing winding construction under the condition that does not change the unshakable in one's determination and magnet of electric machine rotor, can have the speed adjustable range of broadness again when high-speed cruising.Meet in the industry requirement for electric motors function of future generation.
The present invention can be applied to the Magneticflux-switching type magneto of any number of phases, any rotor teeth groove number of poles combination, except three-phase 12/10 utmost point motor in the present embodiment, can also be three-phase 6/4 utmost point motor, four phases, 8/6 utmost point motor etc., does not repeat them here.
Magnet among the present invention can be other excitation mechanisms except permanent magnet, electric excitation mechanism for example, and perhaps the composite excitation mechanism that is made up of electric excitation and permanent magnet excitation does not repeat them here.
The magnet of motor and armature winding all are positioned at stator side, are conducive to the heat radiation of magnet and armature winding.
Both do not had winding on the rotor of motor, and also do not had magnet, moment of inertia is little, and rotor structure is firm reliable, strong robustness, suitable high-speed cruising.
Can be by optimizing the number of turn and line footpath of meter low speed winding and high speed winding, make work independently respectively mechanical characteristic seamless link under low speed winding and high speed winding of motor, realize that the interior high-performance of whole service scope exports.
Adopt this novel winding construction, under the condition that does not increase cost and manufacture difficulty, can control the electric current of every phase low speed winding and high speed winding respectively and open the pass angle of rupture, so that motor can be exported big torque when low cruise, can when high-speed cruising, have broad speed adjustable range again.
Two cover armature winding are centralized coil, and the coiling difficulty is low, and the end is shorter, have effectively reduced copper loss and have been beneficial to the heat radiation of motor.
Motor two cover windings are separate, and the mutual inductance between each phase of every cover winding is all less, has stronger fault-tolerant ability, has effectively increased the reliability of system.
Owing to there are two cover windings, even wherein under each state that all breaks down mutually of a cover winding, still can utilize remaining cover winding output certain power and a torque, guarantee the safe and reliable of motor driven systems.
Be with the low speed winding coil that is fit to low cruise on the motor low speed tooth, be with the high speed winding coil that is fit to high-speed cruising on the high speed tooth, so low speed tooth and high speed tooth can be treated respectively, optimize shape and size separately, further improve motor performance.
Claims (5)
1. double speed winding magnetic pass switching electromotor, comprise stator and rotor, it is characterized in that: described stator comprises that wherein a pair of low speed stator tooth is radially relative to low speed stator tooth and some to the high speed stator tooth in the face of rotor some, and a pair of high speed stator tooth is radially relative; Be equipped with magnet in described low speed stator tooth and the high speed stator tooth; Described low speed stator tooth is provided with low speed and concentrates winding coil, described high speed stator tooth is provided with concentrates winding coil at a high speed, described low speed stator tooth and high speed stator tooth are crisscross arranged, two low speed on described every pair of low speed stator tooth are concentrated winding order serial or parallel connection, and two on described every pair of high speed stator tooth concentrated winding order serial or parallel connection at a high speed.
2. double speed winding magnetic pass switching electromotor according to claim 1, it is characterized in that: described stator and rotor are salient-pole structure, and magnet, low speed are concentrated winding and are concentrated winding all to be positioned on the stator no winding and magnet on the rotor at a high speed.
3. double speed winding magnetic pass switching electromotor according to claim 1 and 2, it is characterized in that: described low speed winding and high speed winding are worked independently of one another, the low speed winding is switched on separately in the permanent torque range of low speed, and the high speed winding is switched on separately in the permanent power bracket of high speed.
4. double speed winding magnetic pass switching electromotor according to claim 3, it is characterized in that: described stator comprises some U-shaped core unit and is sandwiched in magnet between the two U-shaped core unit, and a fit side of this magnet of described each magnet and two U-shaped core unit is formed a low speed stator tooth or a high speed stator tooth.
5. double speed winding magnetic pass switching electromotor according to claim 3, it is characterized in that: have 6 three-phase low speed on the described stator and concentrate winding (2) and 6 three-phases to concentrate winding (3) at a high speed, wherein, first low speed concentrates winding coil (2A1) and the 4th low speed to concentrate winding coil (2A2) radially relative, and the order serial or parallel connection is formed A phase low speed winding; Second low speed concentrates winding coil (2B1) and the 5th low speed to concentrate winding coil (2B2) radially relative, and the order serial or parallel connection is formed B phase low speed winding; The 3rd low speed concentrates winding coil (2C1) and the 6th low speed to concentrate winding coil (2C2) radially relative, and the order serial or parallel connection is formed C phase low speed winding; Second concentrates winding coil (3a1) and the 5th to concentrate winding coil (3a2) radially relative at a high speed at a high speed, and the order serial or parallel connection is formed a phase high speed winding; The 3rd concentrates winding coil (3b1) and the 6th to concentrate winding coil (3b2) radially relative at a high speed at a high speed, and the order serial or parallel connection is formed b phase high speed winding; First concentrates winding coil (3c1) and the 4th to concentrate winding coil (3c2) radially relative at a high speed at a high speed, and the order serial or parallel connection is formed c phase high speed winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310096614XA CN103259350A (en) | 2013-03-22 | 2013-03-22 | Double-speed winding magnetic flow switching type motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310096614XA CN103259350A (en) | 2013-03-22 | 2013-03-22 | Double-speed winding magnetic flow switching type motor |
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| CN103259350A true CN103259350A (en) | 2013-08-21 |
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| CN201310096614XA Pending CN103259350A (en) | 2013-03-22 | 2013-03-22 | Double-speed winding magnetic flow switching type motor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795950A (en) * | 2015-04-23 | 2015-07-22 | 中国电子科技集团公司第二十一研究所 | Double-magnetic-circuit permanent magnet type limited angle motor |
| CN106549543A (en) * | 2017-01-14 | 2017-03-29 | 山东理工大学 | Automobile engine directly drives five phase electric excitation generators |
| CN106787066A (en) * | 2017-02-08 | 2017-05-31 | 重庆望江摩托车制造有限公司 | A kind of magneto and hybrid power system for motorcycle |
| CN108880047A (en) * | 2017-05-15 | 2018-11-23 | 湖南中车时代电动汽车股份有限公司 | A kind of magneto and control method and system for the motor |
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| CN201038839Y (en) * | 2007-05-22 | 2008-03-19 | 东南大学 | Twisted mutually-supplementary magnetic pass switching dual protrusion pole permanent magnetic motor |
| CN101902088A (en) * | 2009-05-30 | 2010-12-01 | 马善振 | Double-winding permanent magnet motor |
| CN102157993A (en) * | 2011-03-08 | 2011-08-17 | 大连名阳实业有限公司 | Modularized flux switching permanent magnet (FSPM) motor |
| CN202210713U (en) * | 2011-08-26 | 2012-05-02 | 东南大学 | High reliability magnetic flux switching type motor |
| CN102832771A (en) * | 2012-08-03 | 2012-12-19 | 东南大学 | Combined-type flux switching permanent magnet motor |
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2013
- 2013-03-22 CN CN201310096614XA patent/CN103259350A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201038839Y (en) * | 2007-05-22 | 2008-03-19 | 东南大学 | Twisted mutually-supplementary magnetic pass switching dual protrusion pole permanent magnetic motor |
| CN101902088A (en) * | 2009-05-30 | 2010-12-01 | 马善振 | Double-winding permanent magnet motor |
| CN102157993A (en) * | 2011-03-08 | 2011-08-17 | 大连名阳实业有限公司 | Modularized flux switching permanent magnet (FSPM) motor |
| CN202210713U (en) * | 2011-08-26 | 2012-05-02 | 东南大学 | High reliability magnetic flux switching type motor |
| CN102832771A (en) * | 2012-08-03 | 2012-12-19 | 东南大学 | Combined-type flux switching permanent magnet motor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795950A (en) * | 2015-04-23 | 2015-07-22 | 中国电子科技集团公司第二十一研究所 | Double-magnetic-circuit permanent magnet type limited angle motor |
| CN106549543A (en) * | 2017-01-14 | 2017-03-29 | 山东理工大学 | Automobile engine directly drives five phase electric excitation generators |
| CN106549543B (en) * | 2017-01-14 | 2019-01-18 | 山东理工大学 | Automobile engine directly drives five phase electric excitation generators |
| CN106787066A (en) * | 2017-02-08 | 2017-05-31 | 重庆望江摩托车制造有限公司 | A kind of magneto and hybrid power system for motorcycle |
| CN106787066B (en) * | 2017-02-08 | 2023-12-26 | 重庆望江摩托车制造有限公司 | Magneto and hybrid power system for motorcycle |
| CN108880047A (en) * | 2017-05-15 | 2018-11-23 | 湖南中车时代电动汽车股份有限公司 | A kind of magneto and control method and system for the motor |
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Application publication date: 20130821 |