CN106100283B - Independent winding dual-side flat plate type permanent-magnetism linear motor - Google Patents
Independent winding dual-side flat plate type permanent-magnetism linear motor Download PDFInfo
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- CN106100283B CN106100283B CN201610577977.9A CN201610577977A CN106100283B CN 106100283 B CN106100283 B CN 106100283B CN 201610577977 A CN201610577977 A CN 201610577977A CN 106100283 B CN106100283 B CN 106100283B
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- primary
- permanent magnet
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- winding
- flat plate
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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
Abstract
The invention discloses independent winding dual-side flat plate type permanent-magnetism linear motors, including primary, secondary and air gap.Primary includes armature winding, primary magnetic conduction iron core and permanent magnet array.There are two primary components on secondary both sides, form bilateral structure.Primary magnetic conduction iron core forms a big opening slot structure, and permanent magnet array is arranged in notch.The setting armature winding on one side of primary magnetic conduction iron core opposed open slot, the primary armature winding in two, secondary both sides is same phase winding, but electrical angle differs 180 °.Secondary is magnetic conductive iron and gap composition with salient-pole structure.Two air gaps are formed between two primary and secondaries.Motor is monophase machine or polyphase machine, and polyphase machine is the modular combination of monophase machine.The permanent magnet and armature winding of permanent-magnetism linear motor of the present invention are respectively positioned on primary, and are designed using big tooth socket, are conducive to realize winding heat dissipation and be designed using big electric load, to improve thrust, while the simple light weight of secondary structure.
Description
Technical field
The present invention relates to independent winding dual-side flat plate type permanent-magnetism linear motors, belong to techniques of linear motor field.
Background technology
Direct-drive technology based on linear motor eliminates intermediate complicated transmission mechanism, in lathe, elevator isoline
Applications are moved, and each field of production and life is just gradually expanded in its application field.But and dynamo-electric machine system
Difference, the linear induction motor system largely directly driven (electromagnetic launch application high speed height accelerates except linear motor) cannot be adopted
It is designed with high speed and improves power density and reduce volume mass, therefore, reduced the volume mass of linear motor, can only post uncommon
It hopes in the pushing force density for improving motor.
Improve motor pushing force density, can from improve electric load, magnetic loading and changes of magnetic field frequency it is several from the aspect of,
Existing permanent magnetic linear synchronous motor, winding technique complex process, winding heat dissipation is difficult, limits the raising of electric load.In addition
Have permanent magnetic linear synchronous motor, no matter primary or secondary trigger switch, mover quality is larger so that motor centainly exports
In the case of thrust, the acceleration and dynamic property of motor are restricted.
Invention content
The technical problem to be solved by the present invention is to：Independent winding dual-side flat plate type permanent-magnetism linear motor is provided, is solved
The problem that existing permanent magnetic linear synchronous motor pushing force density is low, acceleration is low.
The present invention uses following technical scheme to solve above-mentioned technical problem：
Independent winding dual-side flat plate type permanent-magnetism linear motor, the motor are monophase machine or polyphase machine, multiphase electricity
Machine is the modular combination of monophase machine, and monophase machine includes upper and lower two primary, an intermediate secondary and primary and secondary
Between two air gaps being formed；Primary includes armature winding, primary magnetic conduction iron core, permanent magnet array, and primary magnetic conduction iron core is ring
Shape is open slot structure, and open slot is close to secondary side, and permanent magnet array is horizontally disposed in open slot, and adjacent two
The pole span of a permanent magnet is τ, armature winding be wound on primary magnetic conduction iron core it is opposite with open slot on one side on, two primary correspondences
Armature winding be same phase winding, but 180 ° of electrical angle mutual deviation, two primary magnetic conduction iron core relative secondaries are symmetrical；Secondary includes edge
Horizontal direction secondary magnetic conductive iron arranged in a straight line, there are gaps for two neighboring secondary magnetic conductive iron, and two neighboring secondary is led
The distance between magnetic core is 2 τ；Two primary are located at secondary both sides and form bilateral slab construction, and secondary trigger switch does straight line fortune
It is dynamic.
As the preferred embodiment of the present invention, the permanent magnet array includes (2n+1) a permanent magnetism vertically to magnetize
Body, n are positive integer, there are gap between two adjacent permanent magnets, and two adjacent permanent magnets magnetizing direction on the contrary, positioned at time
The polarity of grade both sides relative position permanent magnet is opposite.
As the preferred embodiment of the present invention, the permanent magnet array uses Halbach array structure, including in the horizontal direction
The permanent magnet being arranged in order, each permanent magnet is made of the horizontal charging permanent magnet of the vertical charging permanent magnet in the left side and the right, and position
In two pieces of permanent magnets that secondary both sides relative position vertically magnetizes, magnetizing direction is on the contrary, positioned at secondary both sides relative position
Two pieces of permanent magnets that place's level magnetizes, magnetizing direction are identical.
As the further scheme of the present invention, the monophase machine further includes two back yoke magnetic conductive irons, and the back yoke is led
Magnetic core is respectively arranged at the back yoke of permanent magnet array.
As the further scheme of the present invention, the two neighboring secondary magnetic conductive iron is non-magnetic there are being provided in gap
Or the support construction of weak magnetic conduction.
As the preferred embodiment of the present invention, the width of the adjacent alternate primary iron core of the polyphase machine is (k ± 2/M) τ,
In, k is natural number, and M is the number of phases of polyphase machine.
The present invention has the following technical effects using above technical scheme is compared with the prior art：
1, independent winding dual-side flat plate type permanent-magnetism linear motor of the present invention, winding and permanent magnet are respectively positioned in primary, independent
Winding construction keeps winding technique simple for process, it is easy to accomplish and it is cooling, be conducive to improve electromagnetic load, to improve pushing force density.
2, independent winding dual-side flat plate type permanent-magnetism linear motor of the present invention, secondary structure is simple, easy to process.And secondary matter
Amount is light, does mover and moves in a straight line, under identical thrust output, can obtain the acceleration and speed of bigger.
3, independent winding dual-side flat plate type permanent-magnetism linear motor of the present invention, it is easy to accomplish each phase moduleization design and application,
Without being electrically coupled between each phase, magnetic coupling very little does not influence other phases, it is easy to accomplish faults-tolerant control has when certain phase winding failure
Conducive to the reliability of raising motor.
Description of the drawings
Fig. 1 is the two-dimensional structure schematic diagram of one monophase machine of the embodiment of the present invention.
Fig. 2 is the two-dimensional structure schematic diagram of two monophase machine of the embodiment of the present invention.
Fig. 3 is the two-dimensional structure schematic diagram of three monophase machine of the embodiment of the present invention.
Fig. 4 is the two-dimensional structure schematic diagram of four three phase electric machine of the embodiment of the present invention.
Wherein, 1- armature winding, 2- primary magnetic conduction iron cores, 3- permanent magnet arrays, 31- permanent magnets, 32- permanent magnets, 4- is forever
Gap between magnet, 5- air gaps, 6- grade magnetic conductive iron, the gap between 7- grade magnetic conductive iron, 8- slots, 9- back yoke magnetic conductions
Iron core, the horizontal charging permanent magnets of 10-.
Specific implementation mode
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
As shown in Figure 1, for the two-dimensional structure schematic diagram of one monophase machine of the embodiment of the present invention.The present embodiment is single-phase electricity
Machine, including primary, secondary and two air gaps.Primary is by armature winding 1, primary magnetic conduction iron core 2, permanent magnet array 3 and permanent magnet
Between gap 4 form.Primary magnetic conduction iron core 2 is annular opening structure, and 8 structure of big opening slot, notch are formed in inside
It is upper in the horizontal direction that permanent magnet array 3 is set.Shared in permanent magnet array 3 (2n+1) block vertically on the permanent magnetism that magnetizes
Body, n are natural number, and the magnetizing direction of adjacent permanent magnet is on the contrary, form the polar arrangement architectures of N-S-N.Between permanent magnet away from
From for τ.In view of the exploitativeness of assembly, gap 4 is set between permanent magnet, can be arranged in the gap 4 non-magnetic or weak
The material of magnetic conduction can play the role of fixed permanent magnet.
Secondary has salient pole effect, and secondary is formed by secondary magnetic conductive iron 6 and gap 7.Between neighboring secondary magnetic conductive iron
Distance be 2 τ, i.e., according to the period be 2 τ formed array.The support knot of non-magnetic or weak magnetic conduction can be equally set in gap 7
Structure.
Two primary are located at secondary both sides, form dual-side flat plate type structure.Two gas are formed between two primary and secondaries
Gap 5.The secondary trigger switch of motor moves in a straight line.
The slot 8 of two primary magnetic conduction iron cores 2 it is opposite be wound with armature winding on one side, they be same phase winding, still
180 ° of the phase mutual deviation of armature winding in two primary.That is a primary wherein, winding construction A-X, in another primary,
Winding is X-A.Two armature winding can be connected in series or in parallel.
The working process and principle of the permanent-magnetism linear motor of the present invention are as follows：
The magnetic flux that primary permanent magnet body is sent out forms closed circuit through air gap 5, secondary magnetic conductive iron 6, primary magnetic conduction iron core 2,
And with 1 linkage of armature winding, as mover moves, secondary and primary relative position changes, big with the magnetic flux of armature winding linkage
Small and direction changes, to generate induction back-emf in armature winding 1.As mover moves, lead in armature winding
Enter corresponding electric current, motor is the thrust for generating horizontal direction.
The armature winding and permanent magnet of the present invention is respectively positioned in primary, and winding technique is simple for process, and is easily achieved heat dissipation
Design is advantageously implemented big electromagnetic load design, to improve pushing force density.Secondary structure is simple, with trigger switch, mover matter
Amount is light, is conducive to improve acceleration.
As shown in Fig. 2, for the two-dimensional structure schematic diagram of two monophase machine of the embodiment of the present invention.The present embodiment and embodiment one
Essentially identical, difference essentially consists in：In permanent magnet array by slot direction setting back yoke magnetic conductive iron 9.
The present embodiment is conducive to reduce permanent magnet leakage field, and it is simple and practicable so that permanent magnet is pasted assembly technology.
As shown in figure 3, for the two-dimensional structure schematic diagram of three monophase machine of the embodiment of the present invention.The present embodiment and embodiment two
Essentially identical, difference essentially consists in：Permanent magnet array use Halbach permanent magnet array structures, primary notch each extremely under
Including m block permanent magnets, by taking m=2 as an example, each extremely lower includes vertical charging permanent magnet and the horizontal permanent magnet to magnetize, is located at secondary
Two vertically to magnetize piece permanent magnet of grade both sides relative position, magnetizing direction is on the contrary, positioned at secondary both sides relative position
Two pieces of permanent magnets magnetizing of level, their magnetizing direction is identical.
The present embodiment is conducive to improve magnetic field sine, improves magnetic loading.
As shown in figure 4, for the two-dimensional structure schematic diagram of four three phase electric machine of the embodiment of the present invention.The present embodiment and embodiment one
Difference be：Embodiment one is monophase machine, and embodiment three is three phase electric machine.The present embodiment is three phase electric machine, B phases motor and C
The structure of phase motor is identical with the structure of A phase motors, and each phase motor module arranges in the horizontal direction, adjacent two-phase induction motor it
Between magnetic conductive iron horizontal direction width be (k ± 2/3) τ, k be natural number.Winding uses three phase supply, can be sine wave
Or square wave power supply.The motor uses modularized design, without being electrically coupled between each phase, magnetic coupling very little, when certain phase winding failure
When, other phases are not influenced, it is easy to accomplish faults-tolerant control is conducive to the reliability for improving motor.
Motor can also use heterogeneous structure (M phases), and adjacent alternate primary interferric width is (k ± 2/M) τ.Then winding is adopted
With multiphase power supply mode.
Above example is merely illustrative of the invention's technical idea, and protection scope of the present invention cannot be limited with this, every
According to technological thought proposed by the present invention, any change done on the basis of technical solution each falls within the scope of the present invention
Within.
Claims (6)
1. independent winding dual-side flat plate type permanent-magnetism linear motor, the motor is monophase machine or polyphase machine, polyphase machine
For the modular combination of monophase machine, which is characterized in that monophase machine includes upper and lower two primary, an intermediate secondary and just
Two air gaps formed between grade and secondary；Primary includes armature winding, primary magnetic conduction iron core, permanent magnet array, primary magnetic conduction
Iron core is annular opening slot structure, and open slot is close to secondary side, and permanent magnet array is horizontally disposed in open slot,
And the pole span of two adjacent permanent magnets be τ, armature winding be wound on primary magnetic conduction iron core it is opposite with open slot on one side on, two
Primary corresponding armature winding is same phase winding, but 180 ° of electrical angle mutual deviation, two primary magnetic conduction iron core relative secondaries are symmetrical；It is secondary
Grade includes secondary magnetic conductive iron arranged in a straight line in the horizontal direction, and two neighboring secondary magnetic conductive iron is there are gap, and adjacent two
The distance between a secondary magnetic conductive iron is 2 τ；Two primary are located at secondary both sides and form bilateral slab construction, secondary trigger switch
It moves in a straight line.
2. independent winding dual-side flat plate type permanent-magnetism linear motor according to claim 1, which is characterized in that the permanent magnet battle array
Row include (2n+1) a permanent magnet vertically to magnetize, and n is positive integer, and there are gaps between two adjacent permanent magnets, and
The magnetizing direction of two adjacent permanent magnets is on the contrary, the polarity positioned at secondary both sides relative position permanent magnet is opposite.
3. independent winding dual-side flat plate type permanent-magnetism linear motor according to claim 1, which is characterized in that the permanent magnet battle array
Row use Halbach array structure, including the permanent magnet being arranged in order in the horizontal direction, each permanent magnet are vertically magnetized by the left side
The horizontal charging permanent magnet composition of permanent magnet and the right, and the two pieces of permanent magnets vertically to magnetize positioned at secondary both sides relative position,
Its magnetizing direction is on the contrary, positioned at two pieces of permanent magnets that secondary both sides relative position level magnetizes, magnetizing direction is identical.
4. according to independent winding dual-side flat plate type permanent-magnetism linear motor described in Claims 2 or 3, which is characterized in that described single-phase
Motor further includes two back yoke magnetic conductive irons, and the back yoke magnetic conductive iron is respectively arranged at the back yoke of permanent magnet array.
5. according to independent winding dual-side flat plate type permanent-magnetism linear motor described in Claims 2 or 3, which is characterized in that described adjacent
There are the support constructions that non-magnetic or weak magnetic conduction is provided in gap for two secondary magnetic conductive irons.
6. independent winding dual-side flat plate type permanent-magnetism linear motor according to claim 1, which is characterized in that the polyphase machine
The width of adjacent alternate primary iron core is (k ± 2/M) τ, wherein k is natural number, and M is the number of phases of polyphase machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610577977.9A CN106100283B (en) | 2016-07-21 | 2016-07-21 | Independent winding dual-side flat plate type permanent-magnetism linear motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610577977.9A CN106100283B (en) | 2016-07-21 | 2016-07-21 | Independent winding dual-side flat plate type permanent-magnetism linear motor |
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| CN106100283A CN106100283A (en) | 2016-11-09 |
| CN106100283B true CN106100283B (en) | 2018-08-28 |
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| CN106849567A (en) * | 2016-11-25 | 2017-06-13 | 南京航空航天大学 | A kind of flux switch permanent magnet motor of high power density |
| CN106981968A (en) * | 2017-05-03 | 2017-07-25 | 南京航空航天大学 | The continuous pole dual-side flat plate type permanent-magnetism linear motor of independent winding |
| CN107086756A (en) * | 2017-05-09 | 2017-08-22 | 南京航空航天大学 | Low-thrust fluctuates independent winding permanent-magnetism linear motor |
| CN107425687A (en) * | 2017-05-09 | 2017-12-01 | 南京航空航天大学 | The continuous pole permanent magnet synchronous fault-tolerant motor of vat structural module |
| CN107086755A (en) * | 2017-05-09 | 2017-08-22 | 南京航空航天大学 | Independent winding modularization permanent-magnetism linear motor |
| CN107104524A (en) * | 2017-05-09 | 2017-08-29 | 南京航空航天大学 | The continuous pole permanent magnet motor of independent winding |
| WO2018205219A1 (en) * | 2017-05-11 | 2018-11-15 | 宇生自然能源科技股份有限公司 | Magnetic pole misalignment power generation device |
| WO2018223360A1 (en) * | 2017-06-09 | 2018-12-13 | 宇生自然能源科技股份有限公司 | Magnetic pole dislocation electric apparatus with magnetic gap |
| WO2018223361A1 (en) * | 2017-06-09 | 2018-12-13 | 宇生自然能源科技股份有限公司 | Magnetic pole dislocation power generation apparatus with magnetic gap |
| CN109038989A (en) * | 2017-06-09 | 2018-12-18 | 宇生自然能源科技股份有限公司 | Has the magnetic pole dislocation electric device of magnetic gap |
| CN109842264B (en) * | 2017-11-24 | 2020-09-01 | 哈尔滨工业大学 | Bilateral plate permanent magnet linear motor |
| CN109962597A (en) * | 2019-04-26 | 2019-07-02 | 南京航空航天大学 | A kind of modularization secondary is without the bilateral primary permanent magnet formula switched relutance linear motor in yoke portion |
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| CN103915971A (en) * | 2014-04-14 | 2014-07-09 | 南京航空航天大学 | Three-dimensional magnetic flux permanent magnet linear motor of multi-air-gap independent winding structure |
| CN104065234A (en) * | 2013-11-28 | 2014-09-24 | 南京航空航天大学 | Bilateral primary permanent magnet linear motor without yoke at secondary |
| CN105391202A (en) * | 2015-11-20 | 2016-03-09 | 武汉理工大学 | Stator electro-magnetic vernier motor |
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| JP2006254581A (en) * | 2005-03-10 | 2006-09-21 | Niitekku:Kk | Open/close driving method of sliding door and open/close unit |
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| CN104065234A (en) * | 2013-11-28 | 2014-09-24 | 南京航空航天大学 | Bilateral primary permanent magnet linear motor without yoke at secondary |
| CN103915971A (en) * | 2014-04-14 | 2014-07-09 | 南京航空航天大学 | Three-dimensional magnetic flux permanent magnet linear motor of multi-air-gap independent winding structure |
| CN105391202A (en) * | 2015-11-20 | 2016-03-09 | 武汉理工大学 | Stator electro-magnetic vernier motor |
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