CN107482871B - 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
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- CN107482871B CN107482871B CN201710732589.8A CN201710732589A CN107482871B CN 107482871 B CN107482871 B CN 107482871B CN 201710732589 A CN201710732589 A CN 201710732589A CN 107482871 B CN107482871 B CN 107482871B
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- motor
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 71
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- 210000004489 deciduous teeth Anatomy 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims description 4
- 230000035699 permeability Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 230000010355 oscillation Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000819 phase cycle Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Linear Motors (AREA)
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., by multiple unit motor forms, each unit motor includes primary component and secondary component for it.Primary component is made of primary iron core and armature winding, is slotted on primary iron core, and armature winding is arranged in slot.Secondary component is made 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.Magnetism-regulating structure is provided 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 sequence of winding is different in slot on two neighboring unit motor.The structure is conducive to inhibit end effect, improves permanent magnetic linear synchronous motor three-phase windings asymmetry and reduces force oscillation.
Description
Technical field
The invention belongs to motor fields, are related specifically to a kind of continuous pole permanent magnetic linear synchronous motor of unit motor moduleization.
Background technique
Alternately arranged permanent magnet and iron pole are used in the permanent magnetic linear synchronous motor secondary of continuous pole, so that long secondary structure
The permanent magnet dosage of linear motor is greatly decreased, save the cost.Continuous pole structure can make the electricity between electric motor primary and secondary
Magnetic attraction reduces 40% to 50%, to reduce the thickness of electrical motor supporting structure, so that the volume of motor reduces and thrust density
Increase.But linear motor itself has slot effect and end effect, and because continuous pole structure uses permanent magnet and iron pole
So that the distortion of field is larger, more harmonic component is generated, leads to the detent force and thrust of continuous pole permanent magnetic linear synchronous motor
Fluctuate it is larger, how effectively to inhibit its detent force and force oscillation be the key that study 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.
Summary of the invention
The present invention is to solve the problems, such as to have continuous pole permanent magnetic linear synchronous motor force oscillation big, proposes a kind of unit motor
The continuous pole permanent magnetic linear synchronous motor of modularization.
The specific technical solution 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
A 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 composition, armature winding 3-4 are arranged in slot 3-3.Secondary component 4 is made 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.Slot on adjacent unit motor 1 and unit motor 2
The setting sequence of interior winding is different.On unit motor 1 from left to right, A phase winding 3-4-1, B phase winding is disposed in slot
3-4-2, C phase winding 3-4-3, unit motor 22 are disposed with B phase winding 3-4-4, C phase winding 3-4- from left to right, in slot
5, A phase winding 3-4-6.
Further design of the 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 the width of adjustable magnetic yoke portion 6-1 is S=(k+2/3) τ
(k is integer, and τ is the pole span of motor), the width S of adjustable magnetic teeth portion 6-21≤ S, the height h of adjustable magnetic teeth portion 6-21≤ h, h are unit
The height of electric motor primary tooth 3-2.
A unit electric machine structure of n (n >=3) can be used in motor, is provided with magnetism-regulating structure between two adjacent unit motors
6, the setting of winding on unit motor one are as follows: A phase winding-B phase winding-C phase winding；The setting of winding on unit motor two are as follows: B
Phase winding-C phase winding-A phase winding；The setting of winding on unit motor three are as follows: C phase winding-A phase winding-B phase winding；Unit
The setting of winding on motor four are as follows: A phase winding-B phase winding-C phase winding.According to this, according to every three unit motors, one group of winding
Structure is recycled.
The invention has the advantages that
(1) adjustment being arranged 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, 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 thrust fluctuation, improve continuous pole permanent synchronous linear
The purpose of electric system control performance；
(2) compared with existing modularization linear motor and end add tooth socket optimum design method, set adjustable magnetic
Structure uses permeability magnetic material, is conducive to improve average thrust, while width minimum can inhibit end effect with value for 2/3 τ
Meanwhile making the just increased value very little of level length, to be conducive to reduce the volume mass of motor, improve thrust density.
Detailed description of the invention
Fig. 1 is one unit motor module permanent magnetic linear synchronous motor of embodiment.
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:
Slot；3-4: armature winding；3-4-1: A phase winding on unit motor one；3-4-2: B phase winding on unit motor one；3-4-3: single
C phase winding on first motor one；3-4-4: B phase winding on unit motor two；3-4-5: C phase winding on unit motor two；3-4-6:
A phase winding 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
Specific embodiment
The invention will be further described with embodiment with reference to the accompanying drawing
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
Grade tooth 3-2 and armature winding 3-4 composition, armature winding 3-4 are arranged in slot 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, the width of adjustable magnetic yoke portion 6-1 is that (k is whole to S=(k+2/3) τ
Number, τ are the pole span of motor), the width S of adjustable magnetic teeth portion 6-21≤ S, the height h of adjustable magnetic teeth portion 6-21At the beginning of≤h, h are unit motor
The height of grade tooth 3-2.
The setting sequence of winding is different in slot on unit motor 1 and unit motor 2.On unit motor 1 from left to right,
A phase winding 3-4-1, B phase winding 3-4-2, C phase winding 3-4-3 is disposed in slot.Unit motor 22 from left to right, in slot
It is disposed with B phase winding 3-4-4, C phase winding 3-4-5, A phase winding 3-4-6.
Using the adjustment in winding phase sequence and coiling direction on the setting of magnetism-regulating structure 6 and different units motor, not only can guarantee
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 be conducive to control system performance raising.
Embodiment two:
As shown in fig. 6, motor uses three unit electric machine structures, it is arranged between unit motor 1 and unit motor 28 and adjusts
Magnetism-regulating structure 11 is arranged in magnetic structure 10 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 winding.Winding is arranged according to B phase winding-C phase winding-A phase winding on unit motor 28.
Winding is according to C phase winding-A phase winding-B phase winding on unit motor 39.
Claims (2)
1. the continuous pole permanent magnetic linear synchronous motor of unit motor moduleization, including unit motor one (1) and unit motor two (2),
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) composition, armature winding (3-4) setting are interior in slot (3-3)；Secondary component (4) by permanent magnet (4-1),
Iron pole (4-2) and secondary yoke (4-3) form, and permanent magnet and iron pole are alternately arranged, and all permanent magnet magnetizing directions are identical；Primary group
It is between part (3) and secondary component (4) air gap (5)；Adjustable magnetic knot is provided between unit motor one (1) and unit motor two (2)
Structure (6)；Magnetism-regulating structure (6) uses permeability magnetic material, and forms one with primary iron core (3)；Magnetism-regulating structure (6) includes adjustable magnetic yoke portion
(6-1) and adjustable magnetic teeth portion (6-2), the width in adjustable magnetic yoke portion (6-1) are S=(k+2/3) τ, and wherein k is integer, and τ is the pole of motor
Away from the width S of adjustable magnetic teeth portion (6-2)1≤ S, the height h of adjustable magnetic teeth portion (6-2)1≤ h, h are unit electric motor primary tooth (3-2)
Highly；Adjacent unit motor one (1) is different with the setting sequence of winding in slot on unit motor (2)；On unit motor one (1)
From left to right, it is disposed in slot A phase winding (3-4-1), B phase winding (3-4-2), C phase winding (3-4-3), unit motor
Two (2) are disposed with B phase winding (3-4-4) from left to right, in slot, C phase winding (3-4-5), A phase winding (3-4-6).
2. the continuous pole permanent magnetic linear synchronous motor of unit motor moduleization according to claim 1, it is characterised in that: motor
Using n unit electric machine structure, n >=3；It is provided with magnetism-regulating structure (6) between two adjacent unit motors, on unit motor one
The setting of winding are as follows: A phase winding-B phase winding-C phase winding；The setting of winding on unit motor two are as follows: B phase winding-C mutually around
Group-A phase winding；The setting of winding on unit motor three are as follows: C phase winding-A phase winding-B phase winding；Winding on unit motor four
Setting are as follows: A phase winding-B phase winding-C phase winding；According to this, it is recycled 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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN107482871A CN107482871A (en) | 2017-12-15 |
| CN107482871B true CN107482871B (en) | 2019-10-08 |
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| CN201710732589.8A Active CN107482871B (en) | 2017-08-18 | 2017-08-18 | The continuous pole permanent magnetic linear synchronous motor of unit motor moduleization |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109889014B (en) * | 2019-04-01 | 2021-11-19 | 哈尔滨工业大学 | Primary winding segmentation permanent magnetism 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 |
| 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 |
| CN114362472B (en) * | 2021-12-28 | 2023-04-25 | 中国人民解放军海军工程大学 | Segmented spliced modular linear motor with intersegmental magnetic field compensation windings 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 |
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| CN107482871A (en) | 2017-12-15 |
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