CN105762953B - A kind of tandem type axial excitation switched reluctance machines - Google Patents
A kind of tandem type axial excitation switched reluctance machines Download PDFInfo
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- CN105762953B CN105762953B CN201610160963.7A CN201610160963A CN105762953B CN 105762953 B CN105762953 B CN 105762953B CN 201610160963 A CN201610160963 A CN 201610160963A CN 105762953 B CN105762953 B CN 105762953B
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- China
- Prior art keywords
- stator
- silicon steel
- rotor
- steel sheet
- switched reluctance
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
Abstract
The present invention provides a kind of tandem type axial excitation switched reluctance machines, is related to technical field of motors.The rotor silicon steel sheet stack that rotor sets some strips is fit, and length direction is consistent with the axis direction of armature spindle, and the fit lug boss that is equipped with of rotor silicon steel sheet stack is stretched along the diametric(al) of armature spindle, and stator is connected with annular stator coil with lug boss opposite position.The present invention solves switched reluctance machines torque pulsation ambassador housing in operation process in the prior art and produces radial direction deformation and then produce the technical problem of noise.The present invention has the beneficial effect that：Axial excitation stress is circumferentially uniformly distributed, and reduces torque ripple, stator case not deformation, reduces operational shock and noise.The magnetic line of force is high parallel to armature spindle excitation efficiency through air gap portion.Stator coil quantity is few, and manufacturing process is simple, has saved cost, improves production efficiency.By stator and the various combination of rotor, out of phase motor just can be obtained, it is practical and convenient.
Description
Technical field
The present invention relates to technical field of motors, more particularly, to a kind of field switch reluctance motor structure.
Background technology
Switched reluctance machines are because simple in structure firm, and speed-regulating range width, speed adjusting performance is excellent, and in whole speed adjustable range
Inside all there is greater efficiency, so being widely used.Since the number of pole-pairs of switched reluctance machines traditional structure is few, and exports and turn round
Square and angle are non-linear relation, therefore torque pulsation is larger in operation process.When winding energization attracts rotor,
Energization stator poles can make housing produce slight radial direction deformation to that can bear very high radial load, deformation when winding powers off again
Can elasticity recovery.Due to ceaselessly carrying out winding switching electricity work in motor operation course, housing will produce corresponding shape
Become, recover vibration, and then produce noise.For switched reluctance machines torque pulsation it is big produce noise it is big the shortcomings that, had
Many technological improvements.Chinese patent Authorization Notice No. CN2857322Y, it is authorized announcement date on January 10th, 2007, entitled " to reduce
The utility model patent of noise and the switched reluctance motor of torque pulsation ", is exactly a kind of technical solution therein.It is by multilayer
Cascade the multiple single phaes switched reluctance motors coaxially arranged to form, each layer of switched reluctance motor is in the axial direction successively
Installation is spaced apart up and down, and the rotor of single-phase motor has identical number of magnetic poles and substantially the same structure, whole rotor coaxials
Ground is installed in same rotation axis, and magnetic pole of the stator and the rotor of each layer single-phase motor have identical number of magnetic poles, stator structure
It is all identical and arranged with one heart around corresponding rotor, stator, the rotor magnetic pole of the adjacent phase of switched reluctance motor
The angle of cut that radial centre lines intersect spatially mutually staggers a rotor polar distance of total number of phases point altogether, and total number of phases is composition institute
State the sum of the multiple single phaes switched reluctance motor of switched reluctance motor.The structure proposes one kind and is cascaded by multilayer
The multiple single-phase switch reluctance machine structures coaxially arranged, but be still radially（Perpendicular to armature spindle）Exciting method,
So can only the generation corresponding with magnetic pole of the stator of dispersion rotor magnetic pole radial pull.To reducing since stator yoke deformation causes
Noise result it is limited.
The content of the invention
Radial shape is produced in order to solve switched reluctance machines torque pulsation ambassador housing in operation process in the prior art
Become and then produce the technical problem of noise, the present invention, which provides a kind of stator and housing, will not produce deformation, reduce operational shock and
The tandem type axial excitation switched reluctance machines of noise.
The technical scheme is that：A kind of tandem type axial excitation switched reluctance machines, it includes stator and insertion is fixed
The rotor of son, rotor includes armature spindle and the rotor silicon steel sheet stack of some strips is fit, rotor silicon steel sheet stack zoarium length direction
Consistent with the axis direction of armature spindle, rotor silicon steel sheet stack zoarium is equipped with some lug bosses, diameter side of the lug boss along armature spindle
To stretching, extension, stator is connected with stator coil with lug boss opposite position, and stator coil is annular, and the center of circle of stator coil falls
On the axis of armature spindle.Motor axial excitation stress, avoids housing from producing radial direction deformation vibration, reduces operational shock and noise.
Winding quantity is few, and technique is simple, and manufacture cost is low.
Preferably, stator includes several stator units, stator unit quantity and every rotor silicon steel sheet stack are fit
Boss numbers are equal；Increase the number of phases only need increase stator unit, be conveniently combined into out of phase motor, it is not only practical and convenient but also
Save manufacture cost.
Preferably, armature spindle is equipped with rotor slot, rotor slot perforation rotor axial end, rotor silicon steel sheet stack zoarium and rotor
Groove is clamped；Different armature spindles and the fit collocation of rotor silicon steel sheet stack, are combined into a variety of phases, the rotor of pole, versatility is good.
Preferably, stator unit includes cylindric housing, the stator silicon steel sheet overlapping body of U-shaped and the stator silicon of annular
Steel disc snap ring, stator silicon steel sheet snap ring are embedded in housing end face and are clamped with stator silicon steel sheet overlapping body sidewall；Assembly technology is simple,
Reduce labor intensity.
Preferably, lug boss insertion stator silicon steel sheet overlapping body, side and the stator silicon steel sheet overlapping bodily form of lug boss
Into air gap；The magnetic line of force is through the axial direction that is partly parallel to of air gap, and excitation efficiency is high, and vortex is small, and rotor and Stator forces are circumferentially
Distribution, uniform force, reduces torque ripple.
Preferably, stator coil and stator silicon steel sheet overlapping body clamping；Cumbersome winding inserting slot technique need not be carried out, is carried
High efficiency.
Compared with prior art, the beneficial effects of the invention are as follows：Axial excitation, rotor and Stator forces circumferentially,
Uniform force, reduces torque ripple, and stator case will not produce deformation, reduce operational shock and noise.The magnetic line of force passes through gas
Gap is partly parallel to rotor axis, and excitation efficiency is high, and vortex is small.Being not required on each magnetic pole of stator has winding coil, reduces
Stator coil quantity, stator coil need not carry out cumbersome winding inserting slot technique for annulus, save cost, improved production
Efficiency.Only need that, by varying stator and the various combination of rotor, just out of phase motor can be obtained, it is both practical and convenient.
Brief description of the drawings
Attached drawing 1 is connection diagram of the present invention；
Attached drawing 2 is explosive view of the present invention；
Attached drawing 3 is rotor explosive view；
Attached drawing 4 is stator unit explosive view；
Attached drawing 5 be in Fig. 1 E-E to sectional view；
Attached drawing 6 overlaps schematic diagram when weight is folded for lug boss and stator silicon steel sheet；
Attached drawing 7 is the enlarged drawing of D in Fig. 1.
In figure：1- rotors；2- stator units；3- end plates；11- armature spindles；12- rotors silicon steel sheet stack is fit；13- rotor silicon
Steel disc snap ring；21- housings；22- stator silicon steel sheets overlap body；23- stator silicon steel sheet snap rings；24- stator coils；111- rotors
Groove；121- lug bosses；131- rotor snap ring grooves；211- housing grooves；221- stator silicon steel sheet grooves.
Embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1：
As shown in Fig. 1,2,3 and 4, a kind of tandem type axial excitation switched reluctance machines, it includes stator and rotor 1.It is fixed
Son and rotor 1 are socketed.The present embodiment illustrates by taking three-phase hexapole switched reluctance machines as an example.Rotor 1 includes armature spindle 11, rotor silicon
Steel disc overlaps body 12 and rotor silicon steel sheet snap ring 13.Armature spindle 11 is ladder circle cylinder, thick between the detail of two.Armature spindle 11 is equipped with
Rotor slot 111.111 quantity of rotor slot is equal with motor pole number.The present embodiment rotor slot 111 has six.Rotor silicon steel sheet overlaps
12 length direction of body is consistent with the axis direction of armature spindle 11, is distributed in 11 interlude periphery of armature spindle.Rotor slot 111
Section cylinder both ends of the surface between perforation armature spindle 11.Rotor silicon steel sheet stack zoarium 12 is in strip.Rotor silicon steel sheet stack zoarium 12 is equipped with
Some lug bosses 121.Lug boss 121 is located in a plane of rotor silicon steel sheet stack zoarium 12, along the diameter side of armature spindle 11
To stretching, extension.121 quantity of lug boss is equal with number of motor phases.The present embodiment is three phase electric machine, every rotor silicon steel sheet stack zoarium 12
There are three lug bosses 121.The shape size of lug boss 121 is identical, and the present embodiment is cuboid.Three 121 spacing phases of lug boss
Deng.Rotor silicon steel sheet stack zoarium 12 is stacked by multi-disc silicon steel thin slice and formed.Every silicon steel thin slice is half of " non-" shape.Rotor silicon steel
Piece snap ring 13 is annulus, and inner wall is equipped with rotor snap ring groove 131.Rotor snap ring groove 131 penetrates through 13 liang of rotor silicon steel sheet snap ring
End face.Every one of rotor slot 111 is clamped a rotor silicon steel sheet stack zoarium 12.Rotor silicon steel sheet stack zoarium 12 sets lug boss 121
Corresponding surface be clamped with rotor snap ring groove 131.Rotor 1 is installed, the concave surface clamping rotor silicon steel between two lug bosses 121
Piece snap ring 13, is then caught in rotor slot 111 by rotor silicon steel sheet stack zoarium 12, and overall impregnation curing process forms rotor 1.
Stator includes several stator units 2.The quantity of stator unit 2 is determined and every rotor silicon steel by the number of phases of motor
121 quantity of lug boss of piece overlapping body 12 is equal, and the present embodiment is three phase electric machine, and every rotor silicon steel sheet stack zoarium 12 has three
Lug boss 121, so stator unit 2 has three.Stator unit 2 includes cylindric housing 21, the stator silicon steel sheet overlapping of U-shaped
The stator silicon steel sheet snap ring 23 and stator coil 24 of body 22, annular.21 cylinder inner wall of housing is equipped with housing groove 211.Housing is recessed
Groove 211 penetrates through 21 both ends of the surface of housing.211 quantity of housing groove is equal with motor pole number, and the present embodiment housing groove 211 has six
It is a, it is distributed in 21 cylinder inner wall of housing.21 both ends of the surface of housing are respectively equipped with the facing groove of 21 end face of depression housing.Facing groove
Along 21 end face of housing one week.Stator silicon steel sheet overlaps body 22 and is formed by multi-disc in the silicon steel thin slice stacking of U-shaped, one-piece stator silicon steel
Piece overlapping body 22 is in U-shaped, and centre forms U-lag.The present embodiment stator silicon steel sheet overlapping body 22 has six, each stator silicon steel sheet
The bottom of overlapping body 22 is clamped with housing groove 211.Stator is connected with stator coil 24 with 121 opposite position of lug boss.Often
A housing 21 sets a stator coil 24.Stator coil 24 is annular.Stator coil 24 drawn centered on annulus central axes circle around
Line.Stator coil 24 is clamped with U-lag madial wall.The center of circle of stator coil 24 falls on the axis of armature spindle 11.Each housing
21 connection two panels stator silicon steel sheet snap rings 23.Two lateral walls of U-lag of stator silicon steel sheet overlapping body 22 respectively set a stator silicon
Steel disc groove 221.Stator silicon steel sheet snap ring 23 is clamped with stator silicon steel sheet groove 221.Stator silicon steel sheet snap ring 23 is embedded in housing
21 end faces and it is clamped with stator silicon steel sheet overlapping body 22 side wall.Housing 21 is additionally provided with connecting hole.Connecting hole penetrates through cylinder shell
21 both ends of the surface.During installation, the stator coil 24 wound on mould is caught in the U-lag that stator silicon steel sheet overlaps body 22, then will
Stator silicon steel sheet overlapping body 22 is caught in housing groove 211, then by two panels stator silicon steel sheet snap ring 23 respectively with facing groove and calmly
Sub- silicon steel sheet groove 221 is clamped, and overall impregnation curing process forms a stator unit 2.
Assemble rotor 1 and stator.A, B, C represent A phase coils, B phase coils, C phase coils respectively in Fig. 1.The insertion of rotor 1 is fixed
Subelement 2.So that the socket of lug boss 121 and A phase coils, middle lug boss 121 and B phases close to 11 left end spindle nose of armature spindle
Coil socket, the lug boss 121 close to 11 right end spindle nose of armature spindle and C phase coils are socketed.Stator silicon in three stator units 2
Steel disc overlapping body 22 aligns.Exemplified by the present embodiment three-phase hexapole motor, rotor 1 circles as 360 °, and 360 ° of 3 phase ÷ of ÷, 6 poles=
20°.The stator unit 2 for setting A phase coils is rotated clockwise 20 ° respectively, if the stator unit 2 of C phase coils rotates counterclockwise
20°.Bearing is connected respectively at the both ends of armature spindle 11.Bearing outer ring is fixed with end plate 3 respectively, and screw passes through connecting hole by stator
Unit 2 is fixed with end plate 3, and motor is completed.
As shown in Fig. 1,5,6 and 7, Fig. 5 is expressed as the position of rotor 1 and stator unit 2 when C phase coils are not powered on, C phases
The corresponding lug boss 121 of coil is introduced into the U-lag of the silicon steel sheet stack zoarium 22 of clamping C phase coils.When C phase coils be powered,
Stator coil 24 produces magnetic field, and rotor 1 starts to rotate.Lug boss 121 is embedded in stator silicon steel sheet overlapping body 22.Acted in magnetic field
Lower convex portion 121 is fallen into the U-lag of stator silicon steel sheet overlapping body 22（As shown in Figure 6）.24 inner wall of annular stator coil with it is convex
121 top of portion is played not collide.The side of lug boss 121 forms air gap with stator silicon steel sheet overlapping body 22.Void with the arrow in Fig. 7
Line represents the magnetic line of force.The magnetic line of force is partly parallel to 1 axis of rotor through air gap.At this time, the corresponding lug boss 121 of A phase coils
It is introduced into the U-lag of the silicon steel sheet stack zoarium 22 of clamping A phase coils, position relationship is similar with Fig. 5.C phase coils power off, at the same time
A phase coils are powered, and stator coil 24 produces magnetic field, and rotor 1 continues to rotate.The corresponding protrusion of A phase coils under being acted in magnetic field
Portion 121 is fallen into the U-lag of stator silicon steel sheet overlapping body 22.A phase coils power off, while B phase coils are powered.So circulation, turns
Son 1 does not stop to rotate.As long as changing control phase coil power-up sequence as motor reversal, repeat no more.
Claims (6)
1. a kind of tandem type axial excitation switched reluctance machines, it includes stator and is inserted into the rotor of stator（1）, its feature exists
In：The rotor（1）Including armature spindle（11）It is fit with the rotor silicon steel sheet stack of some strips（12）, rotor silicon steel sheet stack zoarium
（12）Length direction and armature spindle（11）Axis direction it is consistent, rotor silicon steel sheet stack is fit（12）Equipped with some lug bosses
（121）, lug boss（121）Along armature spindle（11）Diametric(al) stretching, extension, the stator and lug boss（121）Opposite position connects
It is connected to stator coil（24）, stator coil（24）For annular, stator coil（24）The center of circle fall in the armature spindle（11）Axis
On line.
A kind of 2. tandem type axial excitation switched reluctance machines according to claim 1, it is characterised in that：The stator bag
Include several stator units（2）, stator unit（2）Quantity is fit with every rotor silicon steel sheet stack（12）Lug boss（121）Number
Measure equal.
A kind of 3. tandem type axial excitation switched reluctance machines according to claim 1, it is characterised in that：The armature spindle
（11）Equipped with rotor slot（111）, rotor slot（111）Penetrate through armature spindle（11）End face, rotor silicon steel sheet stack are fit（12）With rotor
Groove（111）Clamping.
A kind of 4. tandem type axial excitation switched reluctance machines according to claim 2, it is characterised in that：Stator unit
（2）Including cylindric housing（21）, U-shaped stator silicon steel sheet overlapping body（22）With the stator silicon steel sheet snap ring of annular（23）,
Stator silicon steel sheet snap ring（23）Embedded housing（21）End face and with stator silicon steel sheet overlap body（22）Side wall is clamped.
A kind of 5. tandem type axial excitation switched reluctance machines according to claim 1 or 2 or 4, it is characterised in that：It is raised
Portion（121）Embedded stator silicon steel sheet overlapping body（22）, lug boss（121）Side and stator silicon steel sheet overlapping body（22）Form gas
Gap.
A kind of 6. tandem type axial excitation switched reluctance machines according to claim 1 or 4, it is characterised in that：Stator line
Circle（24）Body is overlapped with stator silicon steel sheet（22）Clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160963.7A CN105762953B (en) | 2016-03-21 | 2016-03-21 | A kind of tandem type axial excitation switched reluctance machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160963.7A CN105762953B (en) | 2016-03-21 | 2016-03-21 | A kind of tandem type axial excitation switched reluctance machines |
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| Publication Number | Publication Date |
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| CN105762953A CN105762953A (en) | 2016-07-13 |
| CN105762953B true CN105762953B (en) | 2018-05-08 |
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| CN201610160963.7A Active CN105762953B (en) | 2016-03-21 | 2016-03-21 | A kind of tandem type axial excitation switched reluctance machines |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108631528B (en) * | 2018-04-04 | 2020-02-21 | 江苏大学 | Cascaded switched reluctance motor for electric automobile |
| CN113659775B (en) * | 2021-08-16 | 2022-05-06 | 固高派动（东莞）智能科技有限公司 | Coaxial multilayer direct-drive motor and transmission control system thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2084678U (en) * | 1990-11-06 | 1991-09-11 | 上海工业大学 | Multi-phase lateral magnetic field switch reluctance motor |
| CN101185225B (en) * | 2005-04-18 | 2012-12-19 | 得克萨斯A&M大学系统 | High-torque switched reluctance motor |
| CN2857322Y (en) * | 2005-10-26 | 2007-01-10 | 刘自芦 | Switching reluctance motor having noise and torque pulsation reduced |
| CA2549882A1 (en) * | 2006-06-12 | 2007-12-12 | Msi Machineering Solutions Inc. | Axial flux switched reluctance motor |
| CN102651594B (en) * | 2011-02-28 | 2015-04-01 | 香港理工大学 | Switched reluctance generator with C-shaped stator cores |
| CN102170215B (en) * | 2011-04-25 | 2012-12-12 | 浙江工业大学 | Efficient reluctance type multi-functional motor with axial and radial three-dimensional mixed magnetic circuit in axial split phases |
| KR101255934B1 (en) * | 2011-07-29 | 2013-04-23 | 삼성전기주식회사 | Transverse type switched reluctance motor |
| GB2511082B (en) * | 2013-02-22 | 2016-06-22 | Imra Europe S A S | Reluctance machines |
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2016
- 2016-03-21 CN CN201610160963.7A patent/CN105762953B/en active Active
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