CN104158380B - Linear and rotary motion converter for asymmetric rotor - Google Patents
Linear and rotary motion converter for asymmetric rotor Download PDFInfo
- Publication number
- CN104158380B CN104158380B CN201410453888.4A CN201410453888A CN104158380B CN 104158380 B CN104158380 B CN 104158380B CN 201410453888 A CN201410453888 A CN 201410453888A CN 104158380 B CN104158380 B CN 104158380B
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- poles
- rotor
- adjacent
- rotor core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses a linear and rotary motion converter for an asymmetric rotor. The linear and rotary motion converter can transmit torque and mechanical energy to achieve mutual conversion of linear motion and rotary motion. The linear and rotary motion converter for the asymmetric rotor comprises a rotary unit, a linear unit and a magnetism-adjusting mechanism, wherein the rotary unit comprises a rotor iron core and permanent magnet poles, and the permanent magnet poles are formed by splicing NdFeB permanent magnets and ferrite permanent magnets and are stuck onto the surface of the rotor iron core by adopting a segmental structure; the linear unit comprises a rotor yoke and permanent magnet poles, and radially-magnetized N-pole permanent magnets and radially-magnetized S-pole permanent magnets are stuck onto the surface of the rotor yoke alternately; the magnetism-adjusting mechanism consists of a magnetism-adjusting iron blocks for guiding magnetism. The rotary unit adopts a novel permanent magnetic rotor structure, so that the torque ripple is effectively reduced, jitter and loss of converter are reduced and the moving stability and the energy conversion efficiency of the converter are improved; the low-cost permanent magnets are used together with the high-cost permanent magnets, so that the manufacturing cost of the converter is reduced and the cost performance is improved.
Description
Technical field
The present invention relates to a kind of asymmetric rotor straight line rotating motion transformer, it is adaptable to Non-contact speed-changing driving field
Close, belong to technical field of power transmission.
Background technology
In fields such as industrial and agricultural production, national defence, Aeronautics and Astronautics, it is often necessary to which rotation motion is in line motion, or will
Linear motion becomes rotary motion.According to the difference of application scenario, people develop various converting means or equipment come on meeting
State requirement, such as rack-and-pinion, chain, steel wire rope, transmission belt, screw mandrel, crank connecting link, slide block mechanism, cam ejection pin mechanism etc..
In these converting means, parts moving linearly and rotating moving part contact with each other, and bring friction, vibration, noise etc. and ask
Topic.
Magneto rack-and-pinion is a kind of contactless transmission device, with good reliability, stable drive, life-span length,
Without frictional dissipation, without the need for lubrication, without greasy dirt the features such as, be gradually applied to linear motion and the neck mutually changed of rotary motion
Domain, but its torque density that can be transmitted is less, energy transfer efficiency is relatively low, it is impossible to meet the needs of industry transmission.With
Magnetic field modulation principle is applied to permanent magnet gear topological structure, and the torque and efficiency that permanent magnet gear is transmitted has large increase.
In this context, the new topological structure of Jing magnetos rack-and-pinion conversion introduces magnetic regulation mechanism, constitutes straight line rotation converter,
The converter mainly realizes the modulation of air-gap field by magnetic regulation mechanism, improves torque density and through-put power.
Traditional p-m rotor adopts high performance permanent-magnet material, high magnetic energy density is obtained, while also making the torque of rotor
Pulsation increase, the vibration for causing converter aggravates, and noise becomes big, and operational efficiency is reduced.By the relatively low permanent magnet of residual flux density with
The permanent magnet splicing of high residual flux density, makes the waveform of air gap flux density closer to sine wave, meets the requirement of converter stable operation,
The cost of permanent magnet is reduced simultaneously.
The content of the invention
Goal of the invention：For above-mentioned prior art, a kind of asymmetric rotor straight line rotating motion transformer, Neng Gouzeng are proposed
Plus the torque density of traditional magneto gear ＆ rack structure, the efficiency of energy conversion is improved, while reducing torque pulsation.
Technical scheme：A kind of asymmetric rotor straight line rotating motion transformer, including rotary unit, straight line units and tune
Magnetic mechanism, the magnetic regulation mechanism is fixedly installed between rotary unit and straight line units；Wherein：
The rotary unit includes rotating shaft, rotor core and permanent magnet, and rotating shaft passes through the axis hole of rotor core, and and rotor
Iron core tightens together, and permanent magnet is attached to the surface of rotor core or is embedded in rotor core；Wherein, permanent magnet includes the center of circle
The N poles permanent magnet and S poles permanent magnet of the equal NdFeB material of angle, internal-and external diameter and axial length, also including central angle, inside and outside
The N poles permanent magnet and S poles permanent magnet of the equal Ferrite Material of footpath and axial length；
Every pole permanent magnet of rotary unit is arranged along the circumference of the rotor core, forms multi-stage annular p-m rotor knot
Structure；Each N poles permanent magnet of rotary unit by one piece of NdFeB material N poles permanent magnet and two pieces of Ferrite Materials N poles forever
Magnet is spliced, wherein the N poles permanent magnet of two pieces of Ferrite Materials is separately positioned on neodymium iron along the circumferencial direction of rotor core
The both sides of the N poles permanent magnet of boron material；Each S poles permanent magnet of rotary unit by one piece of NdFeB material S poles permanent magnet and
The S poles permanent magnet of two pieces of Ferrite Materials is spliced, wherein circle of the S poles permanent magnet of two pieces of Ferrite Materials along rotor core
Circumferential direction is separately positioned on the both sides of the S poles permanent magnet of NdFeB material；
The permanent magnet on the rotor core surface is axially arranged along rotating shaft using segmentation structure；It is every in every section of permanent magnet
The corresponding central angle of pole permanent magnet, internal-and external diameter and axial length are equal, the permanent magnet of Ferrite Material in each pole permanent magnet
It is 1: 15-20 with the central angle ratio of the permanent magnet of NdFeB material；Two N poles permanent magnet edge adjacent in adjacent two sections of permanent magnets
Same rotor shaft direction misplaces successively equal angular, and the permanent magnet of two adjacent S poles is along same rotating shaft in adjacent two sections of permanent magnets
Direction misplaces successively equal angular；Wherein, in two neighboring pole permanent magnet, each section of permanent magnet dislocation direction is consistent；
The straight line units include mover yoke, N poles permanent magnet and S poles permanent magnet, N poles permanent magnet and S poles permanent magnetism
Body is interwoven along the straight line units direction of motion, and is pasted on the surface of mover yoke or is embedded in mover yoke.
Further, the N poles permanent magnet of the NdFeB material and S poles permanent magnet, and the N poles permanent magnetism of Ferrite Material
Body and S poles permanent magnet are the shoe permanent magnet of radial magnetizing.
Further, the magnetic regulation mechanism includes the adjustable magnetic iron block of magnetic conduction, and the width of every piece of adjustable magnetic iron block is identical；Institute
Have adjustable magnetic iron block near one end of the rotary unit around the curved setting of rotor core, the end of all adjustable magnetic iron blocks with turn
Interior air gap is left between the permanent magnet of sub- iron core surface correspondence pole；All adjustable magnetic iron blocks are dynamic with described near one end of straight line units
Leave the consistent outer air gap of width in sub- yoke surface.
Further, gap is left between described adjustable magnetic iron block, non-magnetic medium is filled in the gap.
A kind of asymmetric rotor straight line rotating motion transformer, it is characterised in that：Including rotary unit, straight line units and
Magnetic regulation mechanism, the magnetic regulation mechanism is fixedly installed between rotary unit and straight line units；Wherein：
The rotary unit includes rotating shaft, rotor core and permanent magnet, and rotating shaft passes through the axis hole of rotor core, and and rotor
Iron core tightens together, and permanent magnet is attached to the surface of rotor core or is embedded in rotor core；Wherein, permanent magnet includes neodymium iron
The N poles permanent magnet and S poles permanent magnet of boron material, also the N poles permanent magnet including Ferrite Material and S poles permanent magnet；
Every pole permanent magnet of rotary unit is arranged along the circumference of the rotor core, forms multi-stage annular p-m rotor knot
Structure；Each N poles permanent magnet of rotary unit by one piece of NdFeB material N poles permanent magnet and two pieces of Ferrite Materials N poles forever
Magnet is spliced, wherein the N poles permanent magnet of two pieces of Ferrite Materials is separately positioned on neodymium iron along the circumferencial direction of rotor core
The both sides of the N poles permanent magnet of boron material；Each S poles permanent magnet of rotary unit by one piece of NdFeB material S poles permanent magnet and
The S poles permanent magnet of two pieces of Ferrite Materials is spliced, wherein circle of the S poles permanent magnet of two pieces of Ferrite Materials along rotor core
Circumferential direction is separately positioned on the both sides of the S poles permanent magnet of NdFeB material；
The permanent magnet on the rotor core surface is axially arranged along rotating shaft using segmentation structure；It is every in every section of permanent magnet
The corresponding central angle of pole permanent magnet, internal-and external diameter and axial length are equal, the permanent magnet of Ferrite Material in each pole permanent magnet
It is 1: 15-20 with the central angle ratio of the permanent magnet of NdFeB material；Two N poles permanent magnet edge adjacent in adjacent two sections of permanent magnets
Rotating shaft is axially aligned with each other, and two S poles permanent magnets adjacent in adjacent two sections of permanent magnets are axially aligned with each other along rotating shaft；Along rotating shaft
In the segmentation structure of axial direction, two adjacent N poles permanent magnets are along same bus align center, and central angle size is incremented by successively；
Along the segmentation structure of rotating shaft axial direction, two adjacent S poles permanent magnets are along same bus align center, two adjacent S poles
The central angle size of permanent magnet is incremented by successively；
Two adjacent N poles permanent magnets misplace successively equal angular along same rotor shaft direction in adjacent two sections of permanent magnets, phase
The permanent magnet of two adjacent S poles misplaces successively equal angular along same rotor shaft direction in adjacent two sections of permanent magnets；Wherein, adjacent two
In the permanent magnet of pole, each section of permanent magnet dislocation direction is consistent；
The straight line units include mover yoke, N poles permanent magnet and S poles permanent magnet, N poles permanent magnet and S poles permanent magnetism
Body is interwoven along the straight line units direction of motion, and is pasted on the surface of mover yoke or is embedded in mover yoke.
Further, the N poles permanent magnet of the NdFeB material and S poles permanent magnet, and the N poles permanent magnetism of Ferrite Material
Body and S poles permanent magnet are the shoe permanent magnet of radial magnetizing.
Further, the magnetic regulation mechanism includes the adjustable magnetic iron block of magnetic conduction, and the width of every piece of adjustable magnetic iron block is identical；Institute
Have adjustable magnetic iron block near one end of the rotary unit around the curved setting of rotor core, the end of all adjustable magnetic iron blocks with turn
Interior air gap is left between the permanent magnet of sub- iron core surface correspondence pole；All adjustable magnetic iron blocks are dynamic with described near one end of straight line units
Leave the consistent outer air gap of width in sub- yoke surface.
Further, gap is left between described adjustable magnetic iron block, non-magnetic medium is filled in the gap.
Beneficial effect：The present invention proposes a kind of asymmetric rotor straight line rotating motion transformer, using low-cost
The high performance Nd-Fe-B permanent magnet material in ferrite permanent magnet material substitution part, the permanent magnet and neodymium iron boron material of Ferrite Material
The central angle ratio of the permanent magnet of material is 1: 15-20, so too much influence will not be produced to the size of air gap flux density, while also dropping
The low manufacturing cost of motor.
Each N poles permanent magnet of rotary unit is by the N poles permanent magnet of one piece of NdFeB material and the N of two pieces of Ferrite Materials
Pole permanent magnet is spliced, wherein the N poles permanent magnet of two pieces of Ferrite Materials is separately positioned on neodymium along p-m rotor circumferencial direction
The both sides of the N poles permanent magnet of iron boron material, each S poles magnet structure of p-m rotor is similar to each N poles permanent magnet.Using
Such permanent magnet rotor structure, makes per section of corresponding air gap flux density stepped, closer to sine wave；When the permanent magnetism of this structure turns
Son is applied in three phase alternating current motor, makes counter electromotive force closer to sinusoidal, is easy to motor using sine wave control.
In the first structure, because the permanent magnet on rotor core surface is axially arranged along rotating shaft using segmentation structure,
Two adjacent N poles permanent magnets misplace successively equal angular along same rotor shaft direction in adjacent two sections of permanent magnets, and adjacent two sections forever
The permanent magnet of two adjacent S poles misplaces successively equal angular along same rotor shaft direction in magnet；Wherein, two neighboring pole permanent magnet
In, each section of permanent magnet dislocation direction is consistent；Such segmentation misconstruction can on the whole reach the effect of oblique permanent magnet, and then
Reduce torque pulsation and cogging torque, so as to avoid straight line rotating motion transformer running in there is big noise and shake
It is dynamic, improve the stability and efficiency of the operation of straight line rotating motion transformer.
In second structure, because the permanent magnet on rotor core surface is axially arranged along rotating shaft using segmentation structure,
Two N poles permanent magnets adjacent in adjacent two sections of permanent magnets are axially aligned with each other along rotating shaft, adjacent in adjacent two sections of permanent magnets
Two S poles permanent magnets are axially aligned with each other along rotating shaft；Along the segmentation structure of rotating shaft axial direction, two adjacent N poles permanent magnets
Along same bus align center, central angle size is incremented by successively；Along the segmentation structure of rotating shaft axial direction, two adjacent S poles
Permanent magnet is along same bus align center, and the central angle size of two adjacent S poles permanent magnets is incremented by successively；This kind of structure is caused
Air gap flux density reduces torque pulsation and cogging torque closer to sine, so as to avoid straight line rotating motion transformer from running
During there is big noise and vibration, improve the stability and efficiency of the operation of straight line rotating motion transformer.
Description of the drawings
Fig. 1 is the structural representation of asymmetric rotor straight line rotating motion transformer；
Fig. 2 is the structural representation of the rotary unit of embodiment 1；
Fig. 3 is the structural representation of the rotary unit of embodiment 2.
Specific embodiment
The present invention is done below in conjunction with the accompanying drawings further is explained.
Embodiment 1：A kind of asymmetric rotor straight line rotating motion transformer, including rotary unit, straight line units and tune
Magnetic mechanism, the magnetic regulation mechanism is fixedly installed between rotary unit and straight line units.Wherein, rotary unit includes rotating shaft 1, rotor
Iron core 2 and permanent magnet；Rotating shaft 1 passes through the axis hole of rotor core 2, and tightens together with rotor core 2, and permanent magnet is attached to rotor
The surface of iron core 2.Permanent magnet includes two pairs of pole permanent magnets in the present embodiment, and pole embrace takes 0.6, permanent magnet include central angle,
The N poles permanent magnet 4 and S poles permanent magnet 7 of the equal NdFeB material of internal-and external diameter and axial length, also including central angle, inside and outside
The N poles permanent magnet 3 and S poles permanent magnet 6 of the equal Ferrite Material of footpath and axial length.The N poles permanent magnet 4 of NdFeB material
With the shoe permanent magnet that the N poles permanent magnet 3 and S poles permanent magnet 6 of S poles permanent magnet 7, and Ferrite Material are radial magnetizing.
Every pole permanent magnet of rotary unit is arranged along the circumference of rotor core 2, forms multi-stage annular permanent magnet rotor structure.Rotation
Turn each N poles permanent magnet of unit by the N poles permanent magnet 4 of one piece of NdFeB material and the N poles permanent magnet 3 of two pieces of Ferrite Materials
It is spliced, wherein the N poles permanent magnet 3 of two pieces of Ferrite Materials is separately positioned on neodymium iron boron along the circumferencial direction of rotor core 2
The both sides of the N poles permanent magnet 4 of material.Each S poles permanent magnet of rotary unit by one piece of NdFeB material the He of S poles permanent magnet 7
The S poles permanent magnet 6 of two pieces of Ferrite Materials is spliced, wherein the S poles permanent magnet 6 of two pieces of Ferrite Materials is along rotor core 2
Circumferencial direction be separately positioned on NdFeB material S poles permanent magnet 7 both sides.
The permanent magnet on the surface of rotor core 2 is axially arranged along rotating shaft using segmentation structure；Every pole in every section of permanent magnet
The corresponding central angle of permanent magnet, internal-and external diameter and axial length are equal, the permanent magnetism of two pieces of Ferrite Materials in each pole permanent magnet
Body central angle sum is 1: 15-20 with the central angle ratio of the permanent magnet of NdFeB material, and the central angle ratio is 1 in the present embodiment:
20.Two adjacent N poles permanent magnets misplace successively 2.5 degree along same rotor shaft direction in adjacent two sections of permanent magnets, and adjacent two sections forever
The permanent magnet of two adjacent S poles misplaces successively 2.5 degree along same rotor shaft direction in magnet；Wherein, in two neighboring pole permanent magnet,
Each section of permanent magnet dislocation direction is consistent.
Straight line units include mover yoke 12, N poles permanent magnet 10 and S poles permanent magnet 11.N poles permanent magnet 10 and S poles permanent magnetism
Body 11 is interwoven along the straight line units direction of motion, and is pasted on the surface of mover yoke 12.
Magnetic regulation mechanism includes the adjustable magnetic iron block 9 of magnetic conduction, and the width of every piece of adjustable magnetic iron block 9 is identical；All adjustable magnetic iron blocks 9 are close
One end of rotary unit surrounds the curved setting of rotor core 2, and the end of all adjustable magnetic iron blocks 9 is corresponding with the surface of rotor core 2
Air gap is left between the permanent magnet of pole, the air gap is referred to as interior air gap；All adjustable magnetic iron blocks near one end of straight line units with it is described
The consistent air gap of width is left on the surface of mover yoke 12, and the air gap is referred to as outer air gap.Gap is left between adjustable magnetic iron block 9, the gap
It is middle to fill non-magnetic medium.
Additionally, N poles permanent magnet 10 and S poles permanent magnet 11 can with interwoven along the straight line units direction of motion, and
In being embedded in mover yoke 12.
Embodiment 2：A kind of asymmetric rotor straight line rotating motion transformer, including rotary unit, straight line units and tune
Magnetic mechanism, magnetic regulation mechanism is fixedly installed between rotary unit and straight line units.Wherein, rotary unit includes rotating shaft 1, rotor iron
Core 2 and permanent magnet, rotating shaft 1 passes through the axis hole of rotor core 2, and tightens together with rotor core 2, and permanent magnet is attached to rotor iron
The surface of core 2.Permanent magnet includes two pairs of pole permanent magnets in the present embodiment, and pole embrace takes 0.6, and permanent magnet includes NdFeB material
N poles permanent magnet 4 and S poles permanent magnet 7, also including the N poles permanent magnet 3 and S poles permanent magnet 6 of Ferrite Material.NdFeB material
N poles permanent magnet 4 and S poles permanent magnet 7, and the N poles permanent magnet 3 and S poles permanent magnet 6 of Ferrite Material be radial magnetizing
Shoe permanent magnet.
Every pole permanent magnet of rotary unit is arranged along the circumference of rotor core 2, forms multi-stage annular permanent magnet rotor structure.Rotation
Turn each N poles permanent magnet of unit by the N poles permanent magnet 4 of one piece of NdFeB material and the N poles permanent magnet 3 of two pieces of Ferrite Materials
It is spliced, wherein the N poles permanent magnet 3 of two pieces of Ferrite Materials is separately positioned on neodymium iron boron along the circumferencial direction of rotor core 2
The both sides of the N poles permanent magnet 4 of material.Each S poles permanent magnet of rotary unit by one piece of NdFeB material the He of S poles permanent magnet 7
The S poles permanent magnet 6 of two pieces of Ferrite Materials is spliced, wherein the S poles permanent magnet 6 of two pieces of Ferrite Materials is along rotor core 2
Circumferencial direction be separately positioned on NdFeB material S poles permanent magnet 7 both sides.
The permanent magnet on the surface of rotor core 2 is axially arranged along rotating shaft using segmentation structure.Every pole in every section of permanent magnet
The corresponding central angle of permanent magnet, internal-and external diameter and axial length are equal, and two Ferrite Materials in each pole permanent magnet are forever
The central angle sum of magnet is 1: 15-20 with the central angle ratio of the permanent magnet of NdFeB material, the central angle ratio in the present embodiment
For 1: 20.Two N poles permanent magnets adjacent in adjacent two sections of permanent magnets are axially aligned with each other along rotating shaft, in adjacent two sections of permanent magnets
Two adjacent S poles permanent magnets are axially aligned with each other along rotating shaft；Along the segmentation structure of rotating shaft axial direction, two adjacent N poles
Permanent magnet is along same bus align center, and central angle size is incremented by successively；Along the segmentation structure of rotating shaft axial direction, adjacent two
Individual S poles permanent magnet is along same bus align center, and the central angle size of two adjacent S poles permanent magnets is incremented by successively.
Two adjacent N poles permanent magnets misplace successively equal angular along same rotor shaft direction in adjacent two sections of permanent magnets, phase
The permanent magnet of two adjacent S poles misplaces successively equal angular along same rotor shaft direction in adjacent two sections of permanent magnets；Wherein, adjacent two
In the permanent magnet of pole, each section of permanent magnet dislocation direction is consistent.
Straight line units include mover yoke 12, N poles permanent magnet 10 and S poles permanent magnet 11.N poles permanent magnet 10 and S poles permanent magnetism
Body 11 is interwoven along the straight line units direction of motion, and is pasted on the surface of mover yoke 12.
Magnetic regulation mechanism includes the adjustable magnetic iron block 9 of magnetic conduction, and the width of every piece of adjustable magnetic iron block 9 is identical；All adjustable magnetic iron blocks 9 are close
One end of rotary unit surrounds the curved setting of rotor core 2, and the end of all adjustable magnetic iron blocks 9 is corresponding with the surface of rotor core 2
Air gap is left between the permanent magnet of pole, the air gap is referred to as interior air gap；All adjustable magnetic iron blocks near one end of straight line units with it is described
The consistent air gap of width is left on the surface of mover yoke 12, and the air gap is referred to as outer air gap.Gap is left between adjustable magnetic iron block 9, the gap
It is middle to fill non-magnetic medium.
Additionally, N poles permanent magnet 10 and S poles permanent magnet 11 can with interwoven along the straight line units direction of motion, and
In being embedded in mover yoke 12.
A kind of asymmetric rotor straight line rotating motion transformer proposed by the present invention, by the magnetic regulation mechanism for introducing magnetic conduction,
Internally the air gap flux density of outer air gap is modulated, and changes the space harmonics number of times of inside and outside air gap, realizes the transmission of energy and torque.
Based on magnetic field modulation principle, the converter of the structure realizes the modulation of air-gap field, improves traditional magneto rack-and-pinion
The torque density of structure, while also improving the efficiency of energy conversion.
The rotary unit of converter is substituted low-cost ferrite permanent-magnet materials using the hybrid permanent-magnet of segmented
The high performance Nd-Fe-B permanent magnet material in part, reduces the manufacturing cost of converter, shared by the ferrite permanent magnet of low performance
The volume very little of permanent magnet, to the size of air gap flux density too much influence is not produced yet, while make air gap flux density stepped, more
Close sine wave；Meanwhile, the permanent magnet of high-performance Ne-Fe-B permanent-magnet material using segmentation dislocation structure, reduce torque pulsation and
Cogging torque, so as to avoid converter running in there is big noise and vibration, improve the stability of converter operation
And efficiency.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (4)
1. a kind of asymmetric rotor straight line rotating motion transformer, it is characterised in that：Including rotary unit, straight line units and tune
Magnetic mechanism, the magnetic regulation mechanism is fixedly installed between rotary unit and straight line units；Wherein：
The rotary unit include rotating shaft (1), rotor core (2) and permanent magnet, rotating shaft (1) through rotor core (2) axis hole,
And tighten together with rotor core (2), permanent magnet is attached to the surface of rotor core (2) or is embedded in rotor core (2)；Its
In, permanent magnet includes N poles permanent magnet (4) and S poles permanent magnet (7) of NdFeB material, also including the N poles permanent magnetism of Ferrite Material
Body (3) and S poles permanent magnet (6)；
Every pole permanent magnet of rotary unit is arranged along the circumference of the rotor core (2), forms multi-stage annular permanent magnet rotor structure；
Each N poles permanent magnet of rotary unit by one piece of NdFeB material N poles permanent magnet (4) and two pieces of Ferrite Materials N poles forever
Magnet (3) is spliced, wherein N poles permanent magnet (3) of two pieces of Ferrite Materials set respectively along the circumferencial direction of rotor core (2)
Put the both sides in N poles permanent magnet (4) of NdFeB material；Each S poles permanent magnet of rotary unit by one piece of NdFeB material S
S poles permanent magnet (6) of pole permanent magnet (7) and two pieces of Ferrite Materials are spliced, wherein the S poles permanent magnetism of two pieces of Ferrite Materials
Body (6) is separately positioned on the both sides of S poles permanent magnet (7) of NdFeB material along the circumferencial direction of rotor core (2)；
The permanent magnet on rotor core (2) surface is axially arranged along rotating shaft using segmentation structure；It is every in every section of permanent magnet
The corresponding central angle of pole permanent magnet, internal-and external diameter and axial length are equal, the permanent magnet of Ferrite Material in each pole permanent magnet
It is 1 with the central angle ratio of the permanent magnet of NdFeB material:15-20；Two N poles permanent magnet edge adjacent in adjacent two sections of permanent magnets
Rotating shaft is axially aligned with each other, and two S poles permanent magnets adjacent in adjacent two sections of permanent magnets are axially aligned with each other along rotating shaft；Along rotating shaft
In the segmentation structure of axial direction, two adjacent N poles permanent magnets are along same bus align center, and central angle size is incremented by successively；
Along the segmentation structure of rotating shaft axial direction, two adjacent S poles permanent magnets are along same bus align center, two adjacent S poles
The central angle size of permanent magnet is incremented by successively；
Two adjacent N poles permanent magnets misplace successively equal angular along same rotor shaft direction in adjacent two sections of permanent magnets, and adjacent two
The permanent magnet of adjacent two S poles misplaces successively equal angular along same rotor shaft direction in section permanent magnet；Wherein, two neighboring pole is forever
In magnet, each section of permanent magnet dislocation direction is consistent；
The straight line units include mover yoke (12), N poles permanent magnet (10) and S poles permanent magnet (11), N poles permanent magnet
(10) and S poles permanent magnet (11) are interwoven along the straight line units direction of motion, and be pasted on mover yoke (12) surface or
In being embedded in mover yoke (12).
2. a kind of asymmetric rotor straight line rotating motion transformer according to claim 1, it is characterised in that：The neodymium iron
N poles permanent magnet (4) and S poles permanent magnet (7) of boron material, and N poles permanent magnet (3) and S poles permanent magnet (6) of Ferrite Material
It is the shoe permanent magnet of radial magnetizing.
3. a kind of asymmetric rotor straight line rotating motion transformer according to claim 1, it is characterised in that：The adjustable magnetic
Mechanism includes the adjustable magnetic iron block (9) of magnetic conduction, and the width of every piece of adjustable magnetic iron block (9) is identical；All adjustable magnetic iron blocks (9) are near institute
One end of rotary unit is stated around the curved setting of rotor core (2), end and the rotor core (2) of all adjustable magnetic iron blocks (9)
Interior air gap is left between the permanent magnet on surface；All adjustable magnetic iron blocks are near one end of straight line units and mover yoke (12) surface
Leave the consistent outer air gap of width.
4. a kind of asymmetric rotor straight line rotating motion transformer according to claim 3, it is characterised in that：Described tune
Gap is left between magnet piece (9), non-magnetic medium is filled in the gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410453888.4A CN104158380B (en) | 2014-09-05 | 2014-09-05 | Linear and rotary motion converter for asymmetric rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410453888.4A CN104158380B (en) | 2014-09-05 | 2014-09-05 | Linear and rotary motion converter for asymmetric rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104158380A CN104158380A (en) | 2014-11-19 |
| CN104158380B true CN104158380B (en) | 2017-04-19 |
Family
ID=51883819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410453888.4A Active CN104158380B (en) | 2014-09-05 | 2014-09-05 | Linear and rotary motion converter for asymmetric rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104158380B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356699B (en) * | 2015-11-09 | 2018-04-24 | 江苏大学 | A kind of automobile-used birotor flux switch motor |
| CN105634193A (en) * | 2016-02-29 | 2016-06-01 | 东南大学 | Magnetic gear based rotating-linear variable speed motor |
| CN109586433B (en) * | 2018-11-27 | 2021-02-09 | 东南大学 | Modularized rotary linear flux switching permanent magnet motor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59217057A (en) * | 1983-05-19 | 1984-12-07 | Yuji Kanzaki | Power transmission apparatus utilizing permanent magnet |
| CN202424345U (en) * | 2011-12-31 | 2012-09-05 | 北京明诚技术开发有限公司 | Permanent magnet motor with mixed magnetic poles |
| CN102638119A (en) * | 2012-04-24 | 2012-08-15 | 河北科技大学 | Permanent magnet motor rotor with small output torque ripple |
| CN103475185A (en) * | 2013-09-30 | 2013-12-25 | 东南大学 | Converter for linear motion and rotary motion |
-
2014
- 2014-09-05 CN CN201410453888.4A patent/CN104158380B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104158380A (en) | 2014-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105245073B (en) | Stator permanent magnetic type double-salient-pole disc type electric machine | |
| CN106787607A (en) | The magnetic field modulation type magnetic gear of variable gear ratio | |
| CN103904950B (en) | High torque (HT) desk permanent-magnet deceleration device | |
| CN106602822B (en) | Rotor permanent magnet type magnetic flux switches hub motor | |
| CN106374702B (en) | Disc type iron core-free Flux modulation motor | |
| CN105006933B (en) | External stator magnetic pole parallel type hybrid excitation composite motor | |
| CN206807260U (en) | A kind of New Magnetic Field Controlled geared system | |
| CN102035320A (en) | Direct drive type sinusoidal magnetic field composite permanent magnet motor | |
| CN104578633B (en) | Axial magnetic field modulation type composite motor with improved flux modulation structure and improved magnetizing direction | |
| CN106329859A (en) | Dual-rotor counter-rotating permanent-magnet brushless wind driven generator | |
| CN104158380B (en) | Linear and rotary motion converter for asymmetric rotor | |
| CN103607097B (en) | A kind of square position type magnetism-gathering magnetic line structure for permanent magnetic vortex drive device | |
| CN104167844B (en) | Mixed asymmetric permanent magnet rotor | |
| CN107612281B (en) | Improved Halbach type magnetic gear device | |
| WO2021065057A1 (en) | Magnetization device and magnetization method | |
| CN104682642B (en) | A kind of two-freedom motor | |
| CN206195570U (en) | Disk does not have iron core magnetic flow modulation motor | |
| CN104836398A (en) | Rotor magnetic concentrating double-stator transverse magnetic field permanent magnet synchronous motor | |
| CN104158362A (en) | Non-coaxial disc-type magnetic gear | |
| CN103475185A (en) | Converter for linear motion and rotary motion | |
| CN103915973B (en) | Disc type magnetic field modulation type AC permanent-magnet reducing motor | |
| CN102082486B (en) | Magnetic gear excited by three-side permanent magnet | |
| CN104184302A (en) | Linear and rotary motion converter for V-type magnetic pole | |
| CN101771309B (en) | Low-speed high-torque direct driving composite motor based on magnetic gear | |
| CN106208579A (en) | Rotor cage bar magnet steel compound bimorph transducer simplex winding vernier motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |