CN103633806B - Single-phase transverse flux full-control switched reluctance machines - Google Patents
Single-phase transverse flux full-control switched reluctance machines Download PDFInfo
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- CN103633806B CN103633806B CN201310674454.2A CN201310674454A CN103633806B CN 103633806 B CN103633806 B CN 103633806B CN 201310674454 A CN201310674454 A CN 201310674454A CN 103633806 B CN103633806 B CN 103633806B
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- 230000005284 excitation Effects 0.000 description 5
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Abstract
Single-phase transverse flux full-control switched reluctance machines, relates to machine field.It is to solve the problem that the fluctuation of traditional single phase switched reluctance machines Driving Torque is large, Driving Torque density is low, can not export continuous torque.The present invention is cylindrical structure, and described switched reluctance machines comprises stator, rotor and motor output shaft, is air gap between described stators and rotators; Rotor is fixed on outside motor output shaft; Stator comprises stator core, the up stator winding of leading portion, the descending stator winding of leading portion, the descending stator winding of back segment, the up stator winding of back segment; Rotor comprises permanent magnet, leading portion rotor core and back segment rotor core, and permanent magnet is annular permanent magnet; In the present invention, the fluctuation of single-phase switch reluctance machine Driving Torque reduces 20%, and Driving Torque density improves 10% on year-on-year basis, and single-phase switch reluctance machine can be allowed to export continuous torque; Reduce switched reluctance machines manufacturing process and cost simultaneously.The present invention is applicable to machine field.
Description
Technical field
The present invention relates to a kind of reluctance motor, belongs to machine field.
Background technology
The stator and rotor of traditional two-phase switched reluctance machines are salient-pole structure, and the stator and rotor cores number of teeth is equal, and stator and rotor cores is that single hop is unshakable in one's determination.By being energized successively to stator excitation winding, winding exciting current is one direction electric current, and stator poles and rotor pole interact and produce torque.Rotor does not both have winding, does not also have permanent magnet, therefore the structure of motor is simple, reliable.But, due to two toothings of single-phase switch reluctance machine stator core, motor is in an electrical degree cycle mechanical angle 180 degree, and the rate of change of inductance is once, make single-phase switch reluctance machine Driving Torque fluctuate large, Driving Torque density is low, can not export the shortcomings such as continuous torque.
Summary of the invention
The present invention is to solve the problem that the fluctuation of traditional single phase switched reluctance machines Driving Torque is large, Driving Torque density is low, can not export continuous torque, and then provides single-phase transverse flux full-control switched reluctance machines.
Single-phase transverse flux full-control switched reluctance machines, it is cylindrical structure, and described switched reluctance machines comprises stator, rotor and motor output shaft 4, is air gap 5 between described stators and rotators; Rotor is fixed on outside motor output shaft 4;
Stator comprises stator core 1, the up stator winding of leading portion 2, the descending stator winding of leading portion 6, the descending stator winding of back segment 7, the up stator winding 9 of back segment; Described stator core 1 is divided into two sections vertically, be respectively leading portion and back segment, described two-stage structure is mirror image, and wherein leading portion stator core 1 inside is provided with two teeth, and described two teeth are wound with the up stator winding of leading portion 2 and the descending stator winding 6 of leading portion respectively; Back segment stator core inside is provided with two teeth, and described two teeth are wound with the descending stator winding of back segment 7 and the up stator winding 9 of back segment respectively; Wherein the up stator winding of leading portion 2 is axially adjacent with back segment up stator winding 9, and the descending stator winding of described leading portion 6 is axially adjacent with back segment descending stator winding 7;
Rotor comprises permanent magnet 11, leading portion rotor core 3 and back segment rotor core 10, and permanent magnet 11 is annular permanent magnet, and its magnetizing direction is for magnetize vertically, and clamping between described leading portion rotor core 3 and rear leading portion rotor core 10 have permanent magnet 11; Described leading portion rotor core 3 and back segment rotor core 10 are mirror image; The outer surface of described leading portion rotor core 3 is along the circumferential direction uniformly distributed and is provided with the identical sector of two shapes;
Larger than stator tooth polar arc 6 degree of described rotor sector polar arc; Described permanent magnet 11 is embedded between leading portion rotor core 3 and back segment rotor core 10.
In the present invention, the fluctuation of single-phase switch reluctance machine Driving Torque reduces 20%, and Driving Torque density improves 10% on year-on-year basis, and single-phase switch reluctance machine can be allowed to export continuous torque; Reduce switched reluctance machines manufacturing process and cost simultaneously.
Accompanying drawing explanation
Fig. 1 is axial cutaway view of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the magnetic line of force path schematic diagram in the magnetic field that permanent magnet produces;
Fig. 4 is that the magnetic field that produces of permanent magnet and winding produce the magnetic line of force path schematic diagram produced after magnetic field superposition;
Fig. 5 is the direction schematic diagram of machine winding current;
Fig. 6 is the direction schematic diagram of machine winding current;
Fig. 7 be motor rotor position when 90-180 spends, the magnetic direction schematic diagram that the winding of stator produces;
Fig. 8 is the magnetic schematic diagram of motor rotor position at 0-90 degree stator;
Fig. 9 be motor rotor position when 90-180 spends, the circulation path schematic diagram of H bridge electric current;
Figure 10 be motor rotor position when 0-90 spends, the circulation path schematic diagram of H bridge electric current;
Figure 11 is the curve chart of machine winding current and Driving Torque.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1 and Fig. 2, single-phase transverse flux full-control switched reluctance machines described in present embodiment, it is cylindrical structure, and described switched reluctance machines comprises stator, rotor and motor output shaft 4, is air gap 5 between described stators and rotators; Rotor is fixed on outside motor output shaft 4;
Stator comprises stator core 1, the up stator winding of leading portion 2, the descending stator winding of leading portion 6, the descending stator winding of back segment 7, the up stator winding 9 of back segment; Described stator core 1 is divided into two sections vertically, be respectively leading portion and back segment, described two-stage structure is mirror image, and wherein leading portion stator core 1 inside is provided with two teeth, and described two teeth are wound with the up stator winding of leading portion 2 and the descending stator winding 6 of leading portion respectively; Back segment stator core inside is provided with two teeth, and described two teeth are wound with the descending stator winding of back segment 7 and the up stator winding 9 of back segment respectively; Wherein up stator winding 2 is axially adjacent with back segment up stator winding 9, and the descending stator winding of described leading portion 6 is axially adjacent with back segment descending stator winding 7;
Rotor comprises permanent magnet 11, leading portion rotor core 3 and back segment rotor core 10, and permanent magnet 11 is annular permanent magnet, and its magnetizing direction is for magnetize vertically, and clamping between described leading portion rotor core 3 and back segment rotor core 10 have permanent magnet 11; Described leading portion rotor core 3 and back segment rotor core 10 are mirror image; The outer surface of described leading portion rotor core 3 is along the circumferential direction uniformly distributed and is provided with the identical sector of two shapes;
Larger than stator tooth polar arc 6 degree of described rotor sector polar arc; Described permanent magnet 11 is embedded between leading portion rotor core 3 and back segment rotor core 10.
In present embodiment, upper and lower two-way is divided in magnetic circuit direction, as shown in Figure 3, set out on a journey magnetic circuit by the anterior stator up teeth portion-> leading portion rotor up air gap-> leading portion rotor up teeth portion-> leading portion rotor up yoke portion-> permanent magnet S pole of the anterior stator up yoke portion-> of interline yoke portion on the up teeth portion of permanent magnet N pole-> back segment rotor up rear of core-> back segment rotor up core tooth part-> back segment rotor up air gap-> back segment stator-> back segment stator up yoke portion-> two sections of stators->, lower road magnetic circuit is by the anterior stator descending teeth portion-> leading portion rotor descending air gap-> leading portion rotor descending teeth portion-> leading portion rotor descending yoke portion-> permanent magnet S pole of the anterior stator descending yoke portion-> of interline yoke portion under the descending teeth portion of permanent magnet N pole-> back segment rotor descending rear of core-> back segment rotor descending core tooth part-> back segment rotor descending air gap-> back segment stator-> back segment stator descending yoke portion-> two sections of stators->.
Motor winding is single-phase winding, mutual series connection, winding drives and adopts H bridge to drive excitation mode, the motor rotor position of setting Fig. 1 is mechanical 0 angle position, when angle of rotor of motor 90-180 spends, winding excitation is positive current, and the magnetic line of winding excitation is consistent with magnetic circuit direction L-1 and L-2 of permanent magnet through L-3 with L-4 direction, as shown in Figure 4.
As shown in Figure 5 and Figure 6, motor rotor position is when 90-180 spends, and winding exciting current is forward current, and on stator front portion, tooth shows as N pole magnetic, and on stator rear portion, tooth shows as S pole magnetic in motor winding exciting current direction; The anterior lower tooth of stator shows as N pole magnetic, and stator rear portion lower tooth shows as S pole magnetic.Motor rotor position is when 0-90 spends, and winding exciting current is negative current, and on stator front portion, tooth shows as S pole magnetic, and on stator rear portion, tooth shows as N pole magnetic; The anterior lower tooth of stator shows as S pole magnetic, and stator rear portion lower tooth shows as N pole magnetic; As shown in Figure 7 and Figure 8.
Operation principle:
Motor is two-phase switched reluctance machines, the electrical degree cycle of motor stator is 0-180 degree, the motor rotor position of setting Fig. 1 is mechanical 0 angle position, interval at rotor 0-90 degree, motor winding passes through H-bridge drive circuit, open power tube S3 and S4, turn off S1 and S2, motor stator winding electric current is made to be negative current, the anterior rotor tooth performance of motor is all S magnetic, and rotor tooth performance in motor rear portion is all N magnetic, the mutual repulsion of rotor teeth portion phase, rotor exports positive torque, and rotor is by being rotated counterclockwise.
Interval at rotor 90-180 degree, motor winding, by H-bridge drive circuit, opens power tube S1 and S2, turns off S3 and S4, motor stator winding electric current is made to be forward current, the anterior stator teeth up and down of motor all shows as N magnetic, and rotor tooth performance is all S magnetic, and the upper and lower stator tooth performance in motor rear portion is all S magnetic, rotor teeth portion is all expressed as N magnetic, rotor teeth portion attracts each other, and rotor exports positive torque, and rotor is by being rotated counterclockwise.As shown in figure 11.
Embodiment two: present embodiment is further qualified the single-phase transverse flux full-control switched reluctance machines described in embodiment one, in present embodiment, the up stator winding of leading portion 2, the descending stator winding of leading portion 6, the descending stator winding of back segment 7 and the up stator winding 9 of back segment are concentratred winding.
In present embodiment, motor winding drives and adopts H bridge excitation mode, and motor rotor position is when 90-180 spends, and winding exciting current is forward current, S1 and S2 is open-minded, S3 and S4 turns off, and electric current flows through road through as shown in Figure 9; Motor rotor position is when 0-90 spends, and winding exciting current is negative current, S3 and S4 is open-minded, S1 and S2 turns off, and electric current flows through road through as shown in Figure 10.
Claims (2)
1. single-phase transverse flux full-control switched reluctance machines, is characterized in that: it is cylindrical structure, and described switched reluctance machines comprises stator, rotor and motor output shaft (4), is air gap (5) between described stators and rotators; Rotor is fixed on motor output shaft (4) outside;
Stator comprises stator core (1), the up stator winding of leading portion (2), the descending stator winding of leading portion (6), the descending stator winding of back segment (7), the up stator winding of back segment (9); Described stator core (1) is divided into two sections vertically, be respectively leading portion and back segment, described two-stage structure is mirror image, wherein leading portion stator core (1) inside is provided with two teeth, and described two teeth are wound with the up stator winding of leading portion (2) and the descending stator winding of leading portion (6) respectively; Back segment stator core inside is provided with two teeth, and described two teeth are wound with the descending stator winding of back segment (7) and the up stator winding of back segment (9) respectively; Wherein the up stator winding of leading portion (2) is axially adjacent with the up stator winding of back segment (9), and the descending stator winding of described leading portion (6) is axially adjacent with the descending stator winding of back segment (7);
Rotor comprises permanent magnet (11), leading portion rotor core (3) and back segment rotor core (10), permanent magnet (11) is annular permanent magnet, its magnetizing direction is for magnetize vertically, and clamping between described leading portion rotor core (3) and back segment rotor core (10) have permanent magnet (11); Described leading portion rotor core (3) and back segment rotor core (10) are mirror image; The outer surface of described leading portion rotor core (3) is along the circumferential direction uniformly distributed and is provided with the identical sector of two shapes;
Larger than stator tooth polar arc 6 degree of described rotor sector polar arc; Described permanent magnet (11) is embedded between leading portion rotor core (3) and back segment rotor core (10).
2. single-phase transverse flux full-control switched reluctance machines according to claim 1, is characterized in that: the up stator winding of leading portion (2), the descending stator winding of leading portion (6), the descending stator winding of back segment (7) and the up stator winding of back segment (9) are concentratred winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310674454.2A CN103633806B (en) | 2013-12-11 | 2013-12-11 | Single-phase transverse flux full-control switched reluctance machines |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310674454.2A CN103633806B (en) | 2013-12-11 | 2013-12-11 | Single-phase transverse flux full-control switched reluctance machines |
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| Publication Number | Publication Date |
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| CN103633806A CN103633806A (en) | 2014-03-12 |
| CN103633806B true CN103633806B (en) | 2016-03-16 |
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| CN201310674454.2A Expired - Fee Related CN103633806B (en) | 2013-12-11 | 2013-12-11 | Single-phase transverse flux full-control switched reluctance machines |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972725B (en) * | 2017-05-25 | 2023-09-12 | 上海鼎特电器有限公司 | Single-phase permanent magnet type switch reluctance motor and control method thereof |
| CN107104568B (en) * | 2017-07-04 | 2023-04-25 | 杭州同孚环保科技有限公司 | Reluctance motor with opposite poles |
| CN107591979A (en) * | 2017-10-31 | 2018-01-16 | 湖南开启时代电子信息技术有限公司 | Rotor axial magnetizes permanent magnet switched reluctance motor |
| CN108768113B (en) * | 2018-06-08 | 2020-09-25 | 江苏大学 | Four-degree-of-freedom hybrid excitation starting/power generation integrated magnetic suspension switched reluctance motor |
| CN108840128A (en) * | 2018-07-25 | 2018-11-20 | 福建联创机械设备有限公司 | A kind of fully automatic environmental-friendly cement truck-loading facilities |
| CN111404290B (en) * | 2020-03-12 | 2021-08-03 | 华中科技大学 | Concentrated winding transverse flux permanent magnet synchronous motor |
| CN112688444B (en) * | 2020-12-11 | 2021-11-26 | 杭州星成电气科技有限公司 | Single-phase reluctance motor with self-starting capability |
| DE112020007891T5 (en) * | 2020-12-29 | 2023-10-12 | Yamaha Hatsudoki Kabushiki Kaisha | Electric machine |
| CN114337459B (en) * | 2021-12-31 | 2023-12-08 | 西比里电机技术(苏州)有限公司 | Driving topology circuit suitable for two-phase switch reluctance motor with wide power supply voltage |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1645712A (en) * | 2005-01-07 | 2005-07-27 | 南京航空航天大学 | Magnetic resistant electric motor with double stator switch |
| CN101404474A (en) * | 2008-11-11 | 2009-04-08 | 河北工业大学 | Operation method and implementing apparatus for switch reluctance motor |
| CN102306995A (en) * | 2011-08-26 | 2012-01-04 | 北京航空航天大学 | Permanent magnet biased bearingless switched reluctance motor |
| CN102983694A (en) * | 2012-12-27 | 2013-03-20 | 上海交通大学 | Sectional type switch reluctance motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008283785A (en) * | 2007-05-10 | 2008-11-20 | Denso Corp | Switched reluctance motor |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1645712A (en) * | 2005-01-07 | 2005-07-27 | 南京航空航天大学 | Magnetic resistant electric motor with double stator switch |
| CN101404474A (en) * | 2008-11-11 | 2009-04-08 | 河北工业大学 | Operation method and implementing apparatus for switch reluctance motor |
| CN102306995A (en) * | 2011-08-26 | 2012-01-04 | 北京航空航天大学 | Permanent magnet biased bearingless switched reluctance motor |
| CN102983694A (en) * | 2012-12-27 | 2013-03-20 | 上海交通大学 | Sectional type switch reluctance motor |
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| CN103633806A (en) | 2014-03-12 |
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