CN101075771B - Permanent-magnetic motor with transverse magnetic field - Google Patents
Permanent-magnetic motor with transverse magnetic field Download PDFInfo
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- CN101075771B CN101075771B CN2007100518701A CN200710051870A CN101075771B CN 101075771 B CN101075771 B CN 101075771B CN 2007100518701 A CN2007100518701 A CN 2007100518701A CN 200710051870 A CN200710051870 A CN 200710051870A CN 101075771 B CN101075771 B CN 101075771B
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- silicon steel
- steel sheet
- permanent magnet
- shape silicon
- yoke
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Abstract
The invention comprises: shaft, lead-out line, left and right bearings, left and right end caps, side wall, armature winding, baffle, bracket and puller nut, C-shaped silicon steel sheet yoke and permanent magnet. Said C-shaped silicon steel sheet yoke is made by laminating the silicon steel sheets, and p yokes are evenly distributed along the circle; each phase of yoke is sequentially arranged, and is staggered 360degree/N electrical degree along cycle direction; p pole pairs of the permanent magnets are aligned along circle direction, and are distributed in isometric; the C-shaped silicon steel sheet yoke or the magnetic ring of permanent magnet is an integer composed of two quant parts.
Description
Technical field
The invention belongs to the magneto technical field, specifically, it relates to a kind of horizontal magnetic field motor of permanent magnet axial magnetized, and this motor is particularly useful for the direct driving on electric motor car and naval vessel.
Technical background
Permanent-magnetic motor with transverse magnetic field is proposed the earliest by professor H.Weh of Germany.The stator teeth groove structure of this motor is vertical mutually on the locus with armature coil, main flux in the motor is along the axial circulation of motor, thereby stator dimensions and hot-wire coil is big or small separate, break through the restriction of common magneto teeth groove mutual restriction, can obtain higher torque and power density.On this basis, professor G.Henneberger of Germany has designed the flat magnetic field structure permanent-magnetic motor with transverse magnetic field (G.Hennerberger of monolateral stator, M.Bork.Development of a New Transverse FluxMotor.New Topologies for Permanent Magnet Machines (Digestno:1997/090), 1997, (1): 1-6.).Permanent magnet in this motor is attached to rotor surface equably, and adjacent permanent magnet is magnetized into different polarity respectively.The stator core module of U-shaped is evenly distributed on the whole circumference with the multiple pole span, the permanent magnet polarity of two tooth step correspondence is opposite, and the auxiliary stator magnetic circuit that placement is made by soft iron material between two adjacent stator cores, form closed magnetic loop, to reduce the influence of contiguous pole pair work main pole.But this electric machine structure complexity is processed very difficultly, and in order to reduce leakage field, is attached between the adjacent vertically permanent magnet of rotor surface and need leaves enough spacings, and axial dimension is bigger.Therefore, this motor is in the middle low power field, and there is very big limitation in the occasion that particularly requires thin type to install, is difficult to extensive use.
Summary of the invention
For overcoming the defective of above-mentioned motor, a kind of permanent-magnetic motor with transverse magnetic field provided by the invention, this electric machine structure is simple, handling ease, and axial dimension is less.
A kind of permanent-magnetic motor with transverse magnetic field provided by the invention comprises axle, lead-out wire, left and right bearing, left and right end cap, abutment wall, armature winding, baffle plate, support and holds out against nut, C shape silicon steel sheet yoke and permanent magnet; Wherein, ceoncentrically wound coil is wound in the C shape silicon steel sheet yoke and constitutes armature winding, and each phase winding lead-out wire is drawn from the axle of hollow structure respectively; Permanent magnet is fixed between abutment wall and the left and right end cap; Left and right bearing holder (housing, cover) is on axle, and left and right end cap links to each other with left and right bearing respectively, and left and right end cap, permanent magnet and abutment wall are formed rotor jointly, and support is fixedlyed connected with axle, and they form motor stator with armature winding, C shape silicon steel sheet yoke; It is characterized in that:
C shape silicon steel sheet yoke is overrided to form by the grouping of C shape silicon steel sheet, every have p mutually, p 〉=1, p C shape silicon steel sheet yoke evenly distributes and is fixed on the support along circumference, and each phase yoke axially is being arranged in order, and in the 360 °/N electrical degree that circumferentially staggers successively, wherein when N=2, the alternate 90 ° of electrical degrees that stagger are symmetrically distributed, and N is a number of motor phases, N 〉=2; Permanent magnet is the magnet ring of the p of axial magnetized to the utmost point, and holds in the mouth among each C shape silicon steel sheet yoke, and the both sides air gap is even; The p of permanent magnet is to extremely circumferentially alignment, and each phase permanent magnet is separate, axially equidistantly distributes;
Wherein C shape silicon steel sheet yoke or permanent magnet magnetic ring are the integral body of the two parts formation of five equilibrium.
Motor of the present invention adopts the transverse magnetic field operation principle, can be designed to N (N 〉=2) phase motor; Motor C shape silicon steel sheet yoke is vertical mutually on the locus with armature winding; Permanent magnet is by axial magnetized; Permanent magnet is held in the mouth among C shape silicon steel sheet yoke; Substitute the permanent magnet that disperses installation with permanent magnet magnetic ring; Each phase rotor of this motor is on the electromagnetism and independent mutually on the structure, and combined is installed; Can select supporting control system flexibly.Particularly, of the present invention having had the following advantages:
(1) motor stator teeth groove structure is vertical mutually on the locus with armature coil, and stator dimensions and armature coil can not condition each other, and can choose arbitrarily within the specific limits.
(2) changing the permanent magnet diametrical magnetization is axial magnetized, makes every phase permanent magnet blocks number reduce by half, and shortens the motor axial dimension greatly, and has simplified electric machine structure.
(3) permanent magnet magnetic ring with axial magnetized substitutes 2p permanent magnet that disperses to install, and further simplifies electric machine structure and processing technology, shortens installation time, has reduced cost.
(4) silicon steel sheet of formation yoke only need be fixed on the support simply, and need not assist bindiny mechanism between each phase magnet ring, and further conserve space increases torque density.
(5) the armature winding shape is regular, installs easily and does not have an end loss.
(6) independent mutually on each phase rotor electromagnetism of motor and the structure, combined is installed.
(7) can big torque and efficient operation in the rotating speed of broadness and power bracket.
Description of drawings
Fig. 1 is longitudinal profile structural representation of the present invention (only being example with the two phase structure);
Fig. 2 is the sectional perspective structural representation (wherein, each magnetic pole is represented in the line of demarcation, and arrow is represented the direction of magnetization) of C shape silicon steel sheet yoke of the present invention, permanent magnet magnetic ring and armature winding.
Embodiment
The present invention is further detailed explanation below in conjunction with accompanying drawing and example:
As shown in Figure 1, permanent-magnetic motor with transverse magnetic field comprises axle 1, lead-out wire 2, left and right bearing 3 and 14, left end cap 4, abutment wall 8, right end cap 10, C shape silicon steel sheet yoke 5, permanent magnet 6, armature winding 7, baffle plate 11, support 12 and holds out against nut 13.
C shape silicon steel sheet yoke 5 is overrided to form by the grouping of C shape silicon steel sheet, and every have p, p 〉=1 mutually.P C shape silicon steel sheet yoke 5 evenly distributes and is fixed on the support 12 along circumference, and each phase yoke axially is being arranged in order, and in the 360 °/N electrical degree that circumferentially staggers successively, wherein when N=2, the alternate 90 ° of electrical degrees that stagger are symmetrically distributed, and N is a number of motor phases, N 〉=2.Each phase C shape silicon steel sheet yoke is by baffle plate 11 and hold out against nut 13 and fix its axial location.As shown in Figure 2, ceoncentrically wound coil is wound on and constitutes armature winding 7 in the C shape silicon steel sheet yoke 5.Support 12 is fixedlyed connected with axle 1, and they form motor stator with armature winding 7, C shape silicon steel sheet yoke 5.Axle 1 is a hollow structure, and each phase winding lead-out wire 2 is drawn from axle 1 respectively.Permanent magnet 6 is the magnet ring of the p of axial magnetized to the utmost point, is fixed between abutment wall 8 and the left and right end cap 4,10, and the p of permanent magnet 6 is to extremely circumferentially alignment, and each phase permanent magnet 6 is separate, axially equidistantly distributes.Permanent magnet 6 is held in the mouth among each C shape silicon steel sheet yoke 5, and the both sides air gap is even.Left and right bearing 3,14 is enclosed within on the axle 1, and left and right end cap 4,10 links to each other with left and right bearing 3,14 respectively, left and right end cap 4,10, permanent magnet 6 and the abutment wall 8 common rotors of forming.
Each is independent fully mutually for the motor of this structure, can conveniently make p to utmost point N phase, N 〉=2.Lead-out wire 2 is drawn from the hollow parts of axle 1, and joins with controller.Controller both can adopt traditional approach, also can adopt advanced DSP technique construction.
Can be divided into two kinds of schemes in specific implementation process again: one, C shape silicon steel sheet yoke is to dividing, and permanent magnet is whole magnet ring scheme.As shown in fig. 1.At this moment, each phase yoke of motor is two-layer to being divided into, and is total to the 2N layer, and the yoke and the armature winding in fixing left side are placed magnet ring then earlier, and the right side yoke is installed again, then next phase are installed successively, until installing.Two, permanent magnet magnetic ring is to dividing, and C shape silicon steel sheet yoke is an integral body.At this moment, at first that each phase C shape silicon steel sheet yoke is fixing with axle by support, then armature winding is wound in the C shape groove, whole stator is made earlier and is finished.Then, permanent magnet magnetic ring (to being divided into two) is fixing mutually with each with motor housing successively.
No matter adopt which kind of scheme, each phase rotor of this motor is on the electromagnetism and independent mutually on the structure, and combined is installed, and has greatly reduced the motor assembly difficulty, has increased the flexibility of design.
In addition, the present invention also can the position near permanent magnet pole 6 be provided with hall position sensor 9 on the C shape silicon steel sheet yoke 5 being positioned at, and motor is carried out closed-loop control.Wherein position transducer also can adopt other kinds, as photoelectric encoder, resolver or the like, as long as can detect motor rotor position delicately.
Claims (2)
1.
OnePlant permanent-magnetic motor with transverse magnetic field, comprise axle (1), lead-out wire (2), left and right bearing (3,14), left and right end cap (4,10), abutment wall (8), armature winding (7), baffle plate (11), support (12) and hold out against nut (13), C shape silicon steel sheet yoke (5) and permanent magnet (6); Wherein, ceoncentrically wound coil is wound on and constitutes armature winding (7) in the C shape silicon steel sheet yoke (5), and each phase armature winding lead-out wire (2) is drawn from the axle (1) of hollow structure respectively; Permanent magnet (6) is fixed between abutment wall (8) and the left and right end cap (4,10); Left and right bearing (3,14) is enclosed within on the axle (1), left and right end cap (4,10) links to each other with left and right bearing (3,14) respectively, left and right end cap (4,10), permanent magnet (6) and abutment wall (8) are formed rotor jointly, support (12) is fixedlyed connected with axle (1), and they form motor stator with armature winding (7), C shape silicon steel sheet yoke (5); It is characterized in that:
C shape silicon steel sheet yoke (5) is overrided to form by the grouping of C shape silicon steel sheet, and every have mutually
pIt is individual,
p〉=1,
pIndividual C shape silicon steel sheet yoke (5) evenly distributes and is fixed on the support (12) along circumference, and each phase C shape silicon steel sheet yoke axially is being arranged in order, and circumferentially stagger successively 360 °/
NElectrical degree, wherein
N＞2; When
N=2 o'clock, the alternate 90 ° of electrical degrees that stagger were symmetrically distributed, and N is a number of motor phases; Permanent magnet (6) is an axial magnetized
pTo the magnet ring of the utmost point, and hold in the mouth among each C shape silicon steel sheet yoke (5), the both sides air gap is even; Permanent magnet (6)
pTo extremely circumferentially alignment, each phase permanent magnet (6) is separate, axially equidistantly distributes;
Wherein the magnet ring of C shape silicon steel sheet yoke (5) or permanent magnet (6) is the integral body of the two parts formation of five equilibrium.
2. permanent-magnetic motor with transverse magnetic field according to claim 1 is characterized in that: be provided with hall position sensor (9) being positioned at the position that C shape silicon steel sheet yoke (5) goes up near permanent magnet (6) magnetic pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100518701A CN101075771B (en) | 2007-04-13 | 2007-04-13 | Permanent-magnetic motor with transverse magnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100518701A CN101075771B (en) | 2007-04-13 | 2007-04-13 | Permanent-magnetic motor with transverse magnetic field |
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| Publication Number | Publication Date |
|---|---|
| CN101075771A CN101075771A (en) | 2007-11-21 |
| CN101075771B true CN101075771B (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100518701A Expired - Fee Related CN101075771B (en) | 2007-04-13 | 2007-04-13 | Permanent-magnetic motor with transverse magnetic field |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5564306B2 (en) * | 2010-03-31 | 2014-07-30 | 株式会社日立産機システム | Electric motor |
| CN102340227B (en) * | 2010-07-14 | 2016-01-13 | 德昌电机(深圳)有限公司 | Disc-type coreless permanent magnet motor |
| CN102651594B (en) * | 2011-02-28 | 2015-04-01 | 香港理工大学 | Switched reluctance generator with C-shaped stator cores |
| CN102780342B (en) * | 2012-08-27 | 2014-06-11 | 西北工业大学 | Four-phase transverse magnetic field permanent-magnet motor with magnetism-collected structure |
| CN104478858A (en) * | 2014-11-25 | 2015-04-01 | 浙江康多利药业有限公司 | Preparation method of high-purity rizatriptan benzoate |
| CN106803711A (en) * | 2017-04-07 | 2017-06-06 | 苏州盛亿电机有限公司 | For the Split type wheel hub generator of network share bicycle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10039466A1 (en) * | 2000-05-05 | 2001-11-08 | Bosch Gmbh Robert | Unipolar transverse flux machine e.g. specifically a drive motor for wheel brakes, includes at least one rotor module consisting of two coaxial toothed ferromagnetic rotor rings and a permanent magnet ring |
| CN201018677Y (en) * | 2007-03-27 | 2008-02-06 | 赵金枝 | Cellular electrothermal compound plate |
-
2007
- 2007-04-13 CN CN2007100518701A patent/CN101075771B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10039466A1 (en) * | 2000-05-05 | 2001-11-08 | Bosch Gmbh Robert | Unipolar transverse flux machine e.g. specifically a drive motor for wheel brakes, includes at least one rotor module consisting of two coaxial toothed ferromagnetic rotor rings and a permanent magnet ring |
| CN201018677Y (en) * | 2007-03-27 | 2008-02-06 | 赵金枝 | Cellular electrothermal compound plate |
Non-Patent Citations (1)
| Title |
|---|
| 陈金涛、辜承林.新型横向磁通永磁电机研究.《中国电机工程学报》.2005,第25卷(第15期), * |
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| CN101075771A (en) | 2007-11-21 |
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