CN107482871A - The continuous pole permanent magnetic linear synchronous motor of unit motor moduleization - Google Patents
The continuous pole permanent magnetic linear synchronous motor of unit motor moduleization Download PDFInfo
- Publication number
- CN107482871A CN107482871A CN201710732589.8A CN201710732589A CN107482871A CN 107482871 A CN107482871 A CN 107482871A CN 201710732589 A CN201710732589 A CN 201710732589A CN 107482871 A CN107482871 A CN 107482871A
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- motor
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- unit motor
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
- H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/12—Machines characterised by the modularity of some components
Abstract
The present invention provides a kind of continuous pole permanent magnetic linear synchronous motor of unit motor moduleization, belongs to technical field of motors.It is made up of multiple unit motors, and each unit motor includes primary component and secondary component.Primary component is made up of primary unshakable in one's determination and armature winding, is slotted on primary iron core, armature winding is set in groove.Secondary component is made up of permanent magnet, iron pole, yoke plate, and iron pole and yoke plate are integrally formed.It is air gap between primary component and secondary component.It is provided with magnetism-regulating structure between two neighboring unit motor, the width of magnetism-regulating structure is S=(k+2/3) τ (k is integer, and τ is the pole span of motor), and the setting order of winding is different in groove on two neighboring unit motor.The structure is beneficial to suppress end effect, improves permanent magnetic linear synchronous motor three-phase windings asymmetry and reduces force oscillation.
Description
Technical field
The invention belongs to machine field, is related specifically to a kind of continuous pole permanent magnetic linear synchronous motor of unit motor moduleization.
Background technology
Using the permanent magnet and iron pole being alternately arranged in the permanent magnetic linear synchronous motor secondary of continuous pole so that long secondary structure
The permanent magnet dosage of linear electric motors is greatly decreased, cost-effective.Continuous pole structure can make the electricity between electric motor primary and secondary
Magnetic attraction reduces 40% to 50%, so as to reduce the thickness of electrical motor supporting structure so that the volume of motor reduces and pushing force density
Increase.But linear electric motors have slot effect and end effect in itself, and because continuous pole structure uses permanent magnet and iron pole
So that the distortion of field is larger, more harmonic component is produced, causes the detent force and thrust of continuous pole permanent magnetic linear synchronous motor
Fluctuate larger, how effectively to suppress its detent force and force oscillation is the key for studying such motor.Existing optimization method is such as
Oblique pole skewed slot, the length and shape for adjusting permanent magnet and other effects are limited, so needing to propose a kind of new effective method.
The content of the invention
The present invention proposes a kind of unit motor to solve the existing continuous big problem of pole permanent magnetic linear synchronous motor force oscillation
The continuous pole permanent magnetic linear synchronous motor of modularization.
The concrete technical scheme of the present invention is as follows：
The continuous pole permanent magnetic linear synchronous motor of unit motor moduleization, including unit motor 1 and unit motor 22, often
Individual unit motor includes primary component 3 and secondary component 4.Primary component 3 is by primary yoke 3-1, primary teeth 3-2 and armature winding
3-4 is formed, and armature winding 3-4 is arranged in groove 3-3.Secondary component 4 is made up of permanent magnet 4-1, iron pole 4-2 and secondary yoke 4-3,
Permanent magnet and iron pole are alternately arranged, and all permanent magnet magnetizing directions are identical.It is air gap 5 between primary component 3 and secondary component 4.
Magnetism-regulating structure 6 is provided between unit motor 1 and unit motor 22.Groove on adjacent unit motor 1 and unit motor 2
The setting order of interior winding is different.On unit motor 1 from left to right, A phase windings 3-4-1, B phase winding is disposed with groove
3-4-2, C phase winding 3-4-3, unit motor 22 are disposed with B phase windings 3-4-4, C phase winding 3-4- from left to right, in groove
5, A phase winding 3-4-6.
The further design of the present invention is：
Magnetism-regulating structure 6 uses permeability magnetic material, and is integrally formed with primary yoke 3-1.
Magnetism-regulating structure 6 includes adjustable magnetic yoke portion 6-1 and adjustable magnetic teeth portion 6-2, and adjustable magnetic yoke portion 6-1 width is S=(k+2/3) τ
(k is integer, and τ is the pole span of motor), adjustable magnetic teeth portion 6-2 width S1≤ S, adjustable magnetic teeth portion 6-2 height h1≤ h, h are unit
Electric motor primary tooth 3-2 height.
Motor can use the individual unit electric machine structures of n (n >=3), and magnetism-regulating structure is provided between adjacent two unit motors
6, winding is arranged on unit motor one：A phase winding-B phase winding-C phase windings；Winding is arranged on unit motor two：B
Phase winding-C phase winding-A phase windings；Winding is arranged on unit motor three：C phase winding-A phase winding-B phase windings；Unit
Winding is arranged on motor four：A phase winding-B phase winding-C phase windings.According to this, according to every three unit motors, one group of winding
Structure is circulated.
It is an advantage of the invention that：
(1) adjustment set by winding on magnetism-regulating structure design and unit motor, one side adjustment end Distribution of Magnetic Field,
On the other hand change the relative position of each phase winding and end, so as to reduce influence of the end effect to each phase winding, reduce end
Three-phase windings asymmetry caused by portion's effect, final realize reduce motor force oscillation, improve continuous pole permanent synchronous linear
The purpose of electric system control performance；
(2) compared with existing modularization linear electric motors and end add teeth groove Optimization Design, set adjustable magnetic
Structure uses permeability magnetic material, and beneficial to raising average thrust, while width minimum can suppress end effect using value as 2/3 τ
Meanwhile make the just increased value very little of level length, so as to beneficial to the volume mass for reducing motor, improve pushing force density.
Brief description of the drawings
Fig. 1 is the unit motor module permanent magnetic linear synchronous motor of embodiment one.
Fig. 2 is primary component schematic diagram.
Fig. 3 is the winding construction schematic diagram of unit motor one and unit motor two.
Fig. 4 is secondary component schematic diagram.
Fig. 5 is magnetism-regulating structure schematic diagram.
Fig. 6 is two or three unit motor module permanent magnetic linear synchronous motors of embodiment.
In figure, 1：Unit motor one；2：Unit motor two；3：Primary component；3-1：Primary yoke；3-2：Primary teeth；3-3：
Groove；3-4：Armature winding；3-4-1：A phase windings on unit motor one；3-4-2：B phase windings on unit motor one；3-4-3：It is single
C phase windings on first motor one；3-4-4：B phase windings on unit motor two；3-4-5：C phase windings on unit motor two；3-4-6：
A phase windings on unit motor two；4：Secondary component；4-1：Permanent magnet；4-2：Iron pole；4-3：Secondary yoke；5：Air gap；6：Adjustable magnetic knot
Structure；6-1：Adjustable magnetic yoke；6-2：Adjustable magnetic tooth
Embodiment
The invention will be further described with embodiment below in conjunction with the accompanying drawings
Embodiment one：
Such as Fig. 1, shown in 2,3,4,5, the continuous pole permanent magnetic linear synchronous motor of unit motor moduleization, including unit motor one
1 and unit motor 22, each unit motor include primary component 3 and secondary component 4.Primary component 3 by primary yoke 3-1, just
Level tooth 3-2 and armature winding 3-4 compositions, armature winding 3-4 are arranged in groove 3-3.Secondary component 4 is by permanent magnet 4-1, iron pole 4-
2 and secondary yoke 4-3 is formed, and permanent magnet and iron pole are alternately arranged, and all permanent magnet magnetizing directions are identical.Primary component 3 and secondary
It is air gap 5 between component 4.Magnetism-regulating structure 6 is provided between unit motor 1 and unit motor 22, magnetism-regulating structure 6 is used and led
Magnetic material, and be integrally formed with primary yoke 3-1.On magnetism-regulating structure 6, adjustable magnetic yoke portion 6-1 width is that (k is whole to S=(k+2/3) τ
Number, τ are the pole span of motor), adjustable magnetic teeth portion 6-2 width S1≤ S, adjustable magnetic teeth portion 6-2 height h1At the beginning of≤h, h are unit motor
Level tooth 3-2 height.
The setting order of winding is different in groove on unit motor 1 and unit motor 2.On unit motor 1 from left to right,
A phase windings 3-4-1, B phase winding 3-4-2, C phase winding 3-4-3 is disposed with groove.Unit motor 22 from left to right, in groove
It is disposed with B phase windings 3-4-4, C phase winding 3-4-5, A phase winding 3-4-6.
Adjustment with winding phase sequence and coiling direction on different units motor is set using magnetism-regulating structure 6, not only can guarantee that
Phase on each unit motor with phase winding is identical, and adjustment end effect reduces motor to the asymmetric influence of phase winding
Force oscillation, and beneficial to control system performance raising.
Embodiment two：
As shown in fig. 6, motor uses three unit electric machine structures, set and adjust between unit motor 1 and unit motor 28
Magnetic structure 10, magnetism-regulating structure 11 is set between unit motor 28 and unit motor 39.On unit motor 1 winding phase sequence according to
A phase winding-B phase winding arrangement-C phase windings.Winding is set according to B phase winding-C phase winding-A phase windings on unit motor 28.
Winding is according to C phase winding-A phase winding-B phase windings on unit motor 39.
Claims (4)
1. the continuous pole permanent magnetic linear synchronous motor of unit motor moduleization, including unit motor 1 and unit motor 22, each
Unit motor includes primary component 3 and secondary component 4.Primary component 3 is by primary yoke 3-1, primary teeth 3-2 and armature winding 3-
4 compositions, armature winding 3-4 are arranged in groove 3-3.Secondary component 4 is made up of permanent magnet 4-1, iron pole 4-2 and secondary yoke 4-3, forever
Magnet and iron pole are alternately arranged, and all permanent magnet magnetizing directions are identical.It is air gap 5 between primary component 3 and secondary component 4.It is single
Magnetism-regulating structure 6 is provided between first motor 1 and unit motor 22.On adjacent unit motor 1 and unit motor 2 in groove
The setting order of winding is different.On unit motor 1 from left to right, A phase windings 3-4-1, B phase winding 3- is disposed with groove
4-2, C phase winding 3-4-3, unit motor 22 are disposed with B phase windings 3-4-4, C phase winding 3-4-5 from left to right, in groove,
A phase windings 3-4-6.
2. unit motor module permanent magnetic linear synchronous motor according to claim 1, it is characterised in that：Magnetism-regulating structure 6
One is formed using permeability magnetic material, and with primary iron core 3.
3. unit motor module permanent magnetic linear synchronous motor according to claim 1, it is characterised in that：Magnetism-regulating structure 6
Including adjustable magnetic yoke portion 6-1 and adjustable magnetic teeth portion 6-2, adjustable magnetic yoke portion 6-1 width is that (k is integer to S=(k+2/3) τ, and τ is motor
Pole span), adjustable magnetic teeth portion 6-2 width S1≤ S, adjustable magnetic teeth portion 6-2 height h1≤ h, h are unit electric motor primary tooth 3-2 height
Degree.
4. unit motor module permanent magnetic linear synchronous motor according to claim 1, it is characterised in that：Motor uses n
(n >=3) individual unit electric machine structure, is provided with magnetism-regulating structure 6 between adjacent two unit motors, winding on unit motor one
It is arranged to：A phase winding-B phase winding-C phase windings；Winding is arranged on unit motor two：B phase winding-C phase windings-A mutually around
Group；Winding is arranged on unit motor three：C phase winding-A phase winding-B phase windings；Winding is arranged on unit motor four：
A phase winding-B phase winding-C phase windings.According to this, circulated according to every three unit motors, one group of winding construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710732589.8A CN107482871B (en) | 2017-08-18 | 2017-08-18 | The continuous pole permanent magnetic linear synchronous motor of unit motor moduleization |
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| CN201710732589.8A CN107482871B (en) | 2017-08-18 | 2017-08-18 | The continuous pole permanent magnetic linear synchronous motor of unit motor moduleization |
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| CN107482871A true CN107482871A (en) | 2017-12-15 |
| CN107482871B CN107482871B (en) | 2019-10-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109889014A (en) * | 2019-04-01 | 2019-06-14 | 哈尔滨工业大学 | A kind of armature winding segmentation permanent magnet linear synchronous motor |
| CN110190726A (en) * | 2019-05-30 | 2019-08-30 | 西南交通大学 | Mover, pole spans formula double-fed linear motor and its design method such as not |
| CN112953158A (en) * | 2021-01-11 | 2021-06-11 | 南京航空航天大学 | Bilateral permanent magnet staggered modular continuous pole permanent magnet synchronous linear motor |
| CN114362472A (en) * | 2021-12-28 | 2022-04-15 | 中国人民解放军海军工程大学 | Segmented splicing modular motor with intersegment magnetic field compensation winding and splicing compensation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63234863A (en) * | 1987-03-20 | 1988-09-30 | Yaskawa Electric Mfg Co Ltd | Linear synchronous motor |
| CN204681231U (en) * | 2015-04-08 | 2015-09-30 | 宁波亿文特自动化科技有限公司 | The permanent-magnetism linear motor that thrust calculation is low |
| CN106374718A (en) * | 2016-10-28 | 2017-02-01 | 华中科技大学 | Magnetic-concentrating-type consequent-pole cursor permanent magnet motor and application thereof |
| CN106411096A (en) * | 2016-10-31 | 2017-02-15 | 华中科技大学 | Modular vernier permanent magnetic linear motor based on Halbach permanent magnetic structure |
-
2017
- 2017-08-18 CN CN201710732589.8A patent/CN107482871B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63234863A (en) * | 1987-03-20 | 1988-09-30 | Yaskawa Electric Mfg Co Ltd | Linear synchronous motor |
| CN204681231U (en) * | 2015-04-08 | 2015-09-30 | 宁波亿文特自动化科技有限公司 | The permanent-magnetism linear motor that thrust calculation is low |
| CN106374718A (en) * | 2016-10-28 | 2017-02-01 | 华中科技大学 | Magnetic-concentrating-type consequent-pole cursor permanent magnet motor and application thereof |
| CN106411096A (en) * | 2016-10-31 | 2017-02-15 | 华中科技大学 | Modular vernier permanent magnetic linear motor based on Halbach permanent magnetic structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109889014A (en) * | 2019-04-01 | 2019-06-14 | 哈尔滨工业大学 | A kind of armature winding segmentation permanent magnet linear synchronous motor |
| CN110190726A (en) * | 2019-05-30 | 2019-08-30 | 西南交通大学 | Mover, pole spans formula double-fed linear motor and its design method such as not |
| CN112953158A (en) * | 2021-01-11 | 2021-06-11 | 南京航空航天大学 | Bilateral permanent magnet staggered modular continuous pole permanent magnet synchronous linear motor |
| CN112953158B (en) * | 2021-01-11 | 2023-09-19 | 南京航空航天大学 | Double-sided permanent magnet staggered modularized continuous pole permanent magnet synchronous linear motor |
| CN114362472A (en) * | 2021-12-28 | 2022-04-15 | 中国人民解放军海军工程大学 | Segmented splicing modular motor with intersegment magnetic field compensation winding and splicing compensation method thereof |
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| CN107482871B (en) | 2019-10-08 |
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