CN102594086A - High-power density permanent magnet motor - Google Patents
High-power density permanent magnet motor Download PDFInfo
- Publication number
- CN102594086A CN102594086A CN2012100229172A CN201210022917A CN102594086A CN 102594086 A CN102594086 A CN 102594086A CN 2012100229172 A CN2012100229172 A CN 2012100229172A CN 201210022917 A CN201210022917 A CN 201210022917A CN 102594086 A CN102594086 A CN 102594086A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- air gap
- octagon
- gap side
- motor
- 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.)
- Pending
Links
Images
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention relates to a high-power density permanent magnet motor, belonging to the field of motors, solving a problem of poor sine degree of an air gap flux density waveform in a conventional motor. The cross section of each main permanent magnet body in a linear electric motor secondary unit is in a shape of bilaterally symmetric hexagon or octagon, the bottom edge of the hexagon or octagon, close to an air gap side is shorter than the bottom edge far away from the air gap side, the main permanent magnet bodies are magnetized in parallel in a direction vertical to relative motion direction of a primary unit and the secondary unit, auxiliary permanent magnet bodies are magnetized in parallel in the relative motion direction of the primary unit and the secondary unit, and the main permanent magnet bodies and the auxiliary permanent magnet bodies are alternately and closely arranged and fixed on the air gap side of a conductive magnetic yoke. According to the high-power density permanent magnet motor disclosed by the invention, the cross section of each main permanent magnet body in the linear electric motor secondary unit is in the shape of radially symmetric octagon, and the length of the edge of the octagon at the air gap side is smaller than the length of the edge far away from the air gap side; the main permanent magnet bodies are magnetized radially or in parallel, and the auxiliary permanent magnet bodies are magnetized tangentially; and the main permanent magnet bodies and the auxiliary permanent magnet bodies are alternately and closely arranged in the circumferential direction and fixed on the surface of the air gap side of a rotor yoke drum.
Description
Technical field
The invention belongs to machine field, be specifically related to high-tensile strength density permanent magnet motor technical field.
Background technology
Shown in Figure 9 is the structural representation of traditional bilateral no core construction linear permanent magnet synchronous motor.The secondary of this motor is made up of yoke plate and plate shaped permanent magnet; Permanent magnet edge and direction of motion vertical direction parallel magnetization; Permanent magnet is fixed on secondary yoke plate inboard along direction of motion N, alternate being arranged in order of S; The magnetizing direction of secondary bilateral corresponding permanent magnet is identical, and is elementary between two secondary plates.The normal component of the permanent magnet generation magnetic line of force vertically passes elementary, and the elementary winding of energising and secondary permanent magnet magnetic field interactions produce electromagnetic force, promote the mover moving linearly.
There are following shortcoming in this kind linear electric motors, especially Ha Erbake motor: air gap flux density is low, and the sinusoidal degree of air gap flux density waveform is poor, so efficiency of motor and pushing force density is low, force oscillation is big, and the vibration of motor and noise are high.Simultaneously, secondary permanent magnet consumption is big, and secondary weight and motor cost are high.
Summary of the invention
In order to solve the shortcoming that existing linear electric motors exist, the present invention has designed a kind of high-tensile strength density permanent magnet motor.
The present invention has designed following four kinds of high-tensile strength density permanent magnet motors:
First kind: when said high-tensile strength density permanent magnet motor was monolateral dull and stereotyped motor, said motor comprised primary and secondary, is air gap between the said primary and secondary; Secondary main permanent magnet, auxiliary permanent magnet and the yoke plate of comprising; The cross section of main permanent magnet is the hexagon or the octagon of left-right symmetric structure; And this hexagon or octagon near the base length of air gap side less than length away from the base of air gap side, the equal parallel magnetization of each main permanent magnet, its magnetizing direction is perpendicular to the direction of primary and secondary relative motion; The cross section of auxiliary permanent magnet is the hexagon or the octagon of left-right symmetric structure; Should auxiliary permanent magnet near the base length of air gap side greater than length away from the base of air gap side, said auxiliary permanent magnet parallel magnetization, said magnetizing direction is parallel to the direction of primary and secondary relative motion; The alternate tight arrangement with auxiliary permanent magnet of main permanent magnet also is fixed on the air gap side of plate shaped magnetic conduction yoke plate, and the side that each main permanent magnet is adjacent with auxiliary permanent magnet is closely adjacent.
Second kind: when said high-tensile strength density permanent magnet motor was bilateral dull and stereotyped motor, said motor comprised primary and secondary, is air gap between the said primary and secondary; Said secondary be bilateral structure; Secondary main permanent magnet, auxiliary permanent magnet and the yoke plate of comprising in every limit; The cross section of main permanent magnet is the hexagon or the octagon of left-right symmetric structure; And this hexagon or octagon near the base length of air gap side less than length away from the base of air gap side, the equal parallel magnetization of each main permanent magnet, its magnetizing direction is perpendicular to the direction of primary and secondary relative motion; The cross section of auxiliary permanent magnet is the hexagon or the octagon of left-right symmetric structure; Should auxiliary permanent magnet near the base length of air gap side greater than length away from the base of air gap side, said auxiliary permanent magnet parallel magnetization, said magnetizing direction is parallel to the direction of primary and secondary relative motion; The alternate tight arrangement with auxiliary permanent magnet of main permanent magnet also is fixed on the air gap side of plate shaped magnetic conduction yoke plate, and the side that each main permanent magnet is adjacent with auxiliary permanent magnet closely contacts; The magnetizing direction of corresponding two the main permanent magnets in position was identical during both sides were secondary, and the magnetizing direction of corresponding two the auxiliary permanent magnets in position was opposite during both sides were secondary.
The third: when said high-tensile strength density permanent magnet motor is cylindrical linear motor; Said motor comprises primary and secondary; Between the said primary and secondary air gap, secondary main permanent magnet, auxiliary permanent magnet and the conductive magnetic yoke tube of comprising, main permanent magnet is circular; Its cross section is the hexagon or the octagon of left-right symmetric structure; And this hexagon or octagon near the base length of air gap side less than length away from the base of air gap side, the equal parallel magnetization of each main permanent magnet, its magnetizing direction is perpendicular to the direction of primary and secondary relative motion; Auxiliary permanent magnet is circular; Its cross section is the hexagon or the octagon of left-right symmetric structure, and in the hexagon in auxiliary permanent magnet cross section or the octagon near the base length of air gap side greater than the length away from the base of air gap side, said auxiliary permanent magnet parallel magnetization; Said magnetizing direction is parallel to the direction of primary and secondary relative motion, and main permanent magnet and auxiliary permanent magnet are along the alternate tight arrangement of primary and secondary direction of relative movement and be fixed on the air gap side surface of conductive magnetic yoke tube.
The octagon that octagon described in above-mentioned three kinds of structures can be made up of the stack of two rectangles; The octagon that can also be made up of two trapezoidal stacks can also be by the trapezoidal and octagon that the rectangle stack is formed.
The hexagon that hexagon described in above-mentioned three kinds of structures is trapezoidal by one and the stack of rectangle is formed, when the long limit of said rectangle equaled trapezoidal short base, this rectangle was superimposed upon on the trapezoidal short base and forms hexagon; When the long limit of said rectangle equaled trapezoidal long base, this trapezoidal long base was superimposed upon on the long limit of rectangle and forms hexagon.
The 4th kind: when said high-tensile strength density permanent magnet motor is electric rotating machine; This motor comprises stator and rotor; It between stator and the rotor air gap; Said rotor comprises that main permanent magnet, auxiliary permanent magnet and rotor yoke tube constitute, and main permanent magnet cross section is the octagon of mirror to symmetry, and the length of side on limit that is positioned at the air gap side in this octagon is less than the length of side away from the limit of air gap side; Auxiliary permanent magnet cross section is the octagon of mirror to symmetry, and the length of side on limit that is positioned at the air gap side in this octagon is greater than the length of side away from the limit of air gap side; Main permanent magnet is radial magnetizing or parallel magnetization, and auxiliary permanent magnet is a cutting orientation magnetizing; The air gap side surface of rotor yoke tube is along the circumferential direction closely arranged and be fixed on to main permanent magnet and auxiliary permanent magnet successively at interval; The magnetizing direction of two along the circumferential direction adjacent main permanent magnets is opposite, and the magnetizing direction of two along the circumferential direction adjacent auxiliary permanent magnets is opposite.
The present invention is through the secondary electromagnetic structure of optimal design; Make that motor of the present invention permanent magnet consumption when the air gap flux density fundamental voltage amplitude is identical is little, and then can effectively reduce secondary weight, reduction motor force oscillation and cost, raising air gap flux density, the sinusoidal degree of air-gap field, electromagnetic push and the efficiency of motor and the control precision of motor.The air gap flux density distribution situation of motor of the present invention is referring to shown in Figure 8, and the sinusoidal degree of this waveform is very good.
Description of drawings
Fig. 1 is a kind of structural representation of the plate high-tensile strength density permanent magnet motor of embodiment five described single-side structurals.
Fig. 4 is a kind of structural representation of the plate high-tensile strength density permanent magnet motor of embodiment five described bilateral structures.
Fig. 2 is a kind of structural representation of the plate high-tensile strength density permanent magnet motor of embodiment six described single-side structurals.
Fig. 3 is a kind of structural representation of the plate high-tensile strength density permanent magnet motor of embodiment seven described single-side structurals.
Fig. 5 is a kind of structure intention of linear electric motors of the cylinder type high-tensile strength density permanent magnet motor of embodiment three described slotlesses.
Fig. 6 and Fig. 7 are a kind of structure intentions of electric rotating machine of the cylinder type high-tensile strength density permanent magnet motor of embodiment nine described two kinds of slotlesses, and wherein, Fig. 6 is an outer-rotor structure, and Fig. 7 is an inner rotor core.
Fig. 8 be high-tensile strength density permanent magnet motor of the present invention the air gap flux density waveform.
Fig. 9 is the structural representation of the existing motor mentioned in the background technology.
Embodiment
Embodiment one: the described high-tensile strength density permanent magnet motor of this execution mode is monolateral dull and stereotyped motor, and said motor comprises primary and secondary, is air gap between the said primary and secondary; Secondary main permanent magnet 1, auxiliary permanent magnet 2 and the yoke plate of comprising; The cross section of main permanent magnet 1 is the hexagon or the octagon of left-right symmetric structure; And this hexagon or octagon near the base length of air gap side less than length away from the base of air gap side; Each main permanent magnet 1 equal parallel magnetization; Its magnetizing direction is perpendicular to the direction of primary and secondary relative motion, and the cross section of auxiliary permanent magnet 2 is the hexagon or the octagon of left-right symmetric structure, this auxiliary permanent magnet 2 near the base length of air gap side greater than length away from the base of air gap side; Said auxiliary permanent magnet 2 parallel magnetizations; Said magnetizing direction is parallel to the direction of primary and secondary relative motion, and main permanent magnet 1 and auxiliary permanent magnet 2 alternate tight arrangements also are fixed on the air gap side of plate shaped magnetic conduction yoke plate, and the side that each main permanent magnet 1 and auxiliary permanent magnet 2 are adjacent is closely adjacent.
In this execution mode, in secondary mechanism, form the main permanent magnet 1 of magnetic circuit and the structure of auxiliary permanent magnet 2 and done further qualification, elementary elementary iron core and the elementary winding of comprising adopts the structure of existing high-tensile strength density permanent magnet motor both can.
Embodiment two: the described a kind of high-tensile strength density permanent magnet motor of this execution mode is bilateral dull and stereotyped motor, and said motor comprises primary and secondary, is air gap between the said primary and secondary; Said secondary be bilateral structure; Every limit is secondary to comprise main permanent magnet 1, auxiliary permanent magnet 2 and yoke plate; The cross section of main permanent magnet 1 is the hexagon or the octagon of left-right symmetric structure; And this hexagon or octagon near the base length of air gap side less than length away from the base of air gap side, each main permanent magnet 1 equal parallel magnetization, its magnetizing direction is perpendicular to the direction of primary and secondary relative motion; The cross section of auxiliary permanent magnet 2 is the hexagon or the octagon of left-right symmetric structure; Should auxiliary permanent magnet 2 near the base length of air gap side greater than length away from the base of air gap side, said auxiliary permanent magnet 2 parallel magnetizations, said magnetizing direction is parallel to the direction of primary and secondary relative motion; Main permanent magnet 1 and auxiliary permanent magnet 2 alternate tight arrangements also are fixed on the air gap side of plate shaped magnetic conduction yoke plate, and each main permanent magnet 1 closely contacts with auxiliary permanent magnet 2 adjacent sides; The magnetizing direction of corresponding two the main permanent magnets 1 in position was identical during both sides were secondary, and the magnetizing direction of corresponding two the auxiliary permanent magnets 2 in position was opposite during both sides were secondary.
High-tensile strength density permanent magnet motor in this execution mode is bilateral dull and stereotyped motor, elementaryly can adopt no core construction or slotless configuration unshakable in one's determination is arranged, and elementaryly is positioned at bilateral secondary inboard.
Embodiment three: the described high-tensile strength density permanent magnet motor of this execution mode is a cylindrical linear motor; Said motor comprises primary and secondary; Between the said primary and secondary air gap, secondary main permanent magnet 1, auxiliary permanent magnet 2 and the conductive magnetic yoke tube of comprising, main permanent magnet 1 is circular; Its cross section is the hexagon or the octagon of left-right symmetric structure; And this hexagon or octagon near the base length of air gap side less than length away from the base of air gap side, each main permanent magnet 1 equal parallel magnetization, its magnetizing direction is perpendicular to the direction of primary and secondary relative motion; Auxiliary permanent magnet 2 is circular; Its cross section is the hexagon or the octagon of left-right symmetric structure, and in the hexagon in auxiliary permanent magnet 2 cross sections or the octagon near the base length of air gap side greater than the length away from the base of air gap side, said auxiliary permanent magnet 2 parallel magnetizations; Said magnetizing direction is parallel to the direction of primary and secondary relative motion, and main permanent magnet 1 and auxiliary permanent magnet 2 are along the alternate tight arrangement of primary and secondary direction of relative movement and be fixed on the air gap side surface of conductive magnetic yoke tube.
In this execution mode, elementary is columnar structured, and the secondary cylinder that is positioned at is perhaps surrounded by elementary, and elementary elementary iron core and the elementary winding of comprising constitutes.Shown in Figure 5, be when level was positioned at the secondary outside originally, the structural representation of the described high-tensile strength density permanent magnet motor of this execution mode.
Embodiment four: this execution mode is that the octagon described in embodiment one, two or three is done further qualification, in this execution mode, and the octagon that said octagon is made up of two rectangle stacks.
Referring to shown in Figure 5, in the electric machine structure shown in this figure, the octagon that the cross section of main permanent magnet 1 and auxiliary permanent magnet 2 all is made up of two rectangle stacks.
Embodiment five: this execution mode is that the octagon described in embodiment one, two or three is done further qualification; In this execution mode; The octagon that said octagon is made up of two trapezoidal stacks; Said two trapezoidal isosceles trapezoids that are, one of them trapezoidal short base is connected with another trapezoidal long base.
The octagon that the main permanent magnet 1 in Fig. 1 and the two kinds of electric machine structures shown in Figure 4 and the cross section of auxiliary permanent magnet 2 all are made up of two isosceles trapezoids stacks.
Embodiment six: this execution mode is that the octagon described in embodiment one, two or three is done further qualification; In this execution mode; Said octagon is trapezoidal and octagon that the rectangle stack is formed by one; When the long limit of said rectangle during less than trapezoidal short base, this rectangle is superimposed upon on the trapezoidal short base and forms octagon; When the long limit of said rectangle during greater than trapezoidal long base, this trapezoidal long base is superimposed upon on the long limit of rectangle and forms octagon.
In the electric machine structure shown in Figure 2; The cross section of main permanent magnet 1 and auxiliary permanent magnet 2 is all by a rectangle and a trapezoidal octagon of forming; In the cross section of wherein main permanent magnet 1; The long limit of rectangle is greater than the length on trapezoidal short base, so this cross section is superimposed upon the octagon of forming on the trapezoidal short base by rectangle.In the cross section of auxiliary permanent magnet 2, the long limit of rectangle is greater than trapezoidal long base, so this cross section is superimposed upon the octagon of forming on the trapezoidal long base by rectangle.
Embodiment seven: this execution mode is that the hexagon described in embodiment one, two or three is done further qualification; In this execution mode; Said hexagon is trapezoidal and hexagon that the rectangle stack is formed by one; When the long limit of said rectangle equaled trapezoidal short base, this rectangle was superimposed upon on the trapezoidal short base and forms hexagon; When the long limit of said rectangle equaled trapezoidal long base, this trapezoidal long base was superimposed upon on the long limit of rectangle and forms hexagon.
In the electric machine structure shown in Figure 3; The cross section of main permanent magnet 1 and auxiliary permanent magnet 2 is all by a rectangle and a trapezoidal hexagon of forming; In the cross section of wherein main permanent magnet 1; The long limit of rectangle equals the length on trapezoidal short base, so this cross section is superimposed upon the hexagon of forming on the trapezoidal short base by rectangle.In the cross section of auxiliary permanent magnet 2, the long limit of rectangle equals trapezoidal long base, so this cross section is superimposed upon the hexagon of forming on the trapezoidal long base by rectangle.
Embodiment eight: this execution mode is the further qualification to any described high-tensile strength density permanent magnet motor of execution mode in the embodiment one to six, and in this execution mode, said elementary employing does not have core construction or slotless configuration unshakable in one's determination is arranged.
Embodiment nine: the described high-tensile strength density permanent magnet motor of this execution mode is an electric rotating machine; This motor comprises stator and rotor; It between stator and the rotor air gap; Said rotor comprises that main permanent magnet 1, auxiliary permanent magnet 2 and rotor yoke tube constitute, and main permanent magnet 1 cross section is the octagon of mirror to symmetry, and the length of side on limit that is positioned at the air gap side in this octagon is less than the length of side away from the limit of air gap side; Auxiliary permanent magnet 2 cross sections are the octagon of mirror to symmetry, and the length of side on limit that is positioned at the air gap side in this octagon is greater than the length of side away from the limit of air gap side; Main permanent magnet 1 is radial magnetizing or parallel magnetization, and auxiliary permanent magnet 2 is a cutting orientation magnetizing; The air gap side surface of rotor yoke tube is along the circumferential direction closely arranged and be fixed on to main permanent magnet 1 and auxiliary permanent magnet 2 successively at interval; The magnetizing direction of two along the circumferential direction adjacent main permanent magnets 1 is opposite, and the magnetizing direction of two along the circumferential direction adjacent auxiliary permanent magnets 2 is opposite.
In this execution mode, stator adopts no core construction or slotless configuration unshakable in one's determination is arranged, and rotor is positioned at the outside or the inboard of stator.Shown in Figure 6 is that rotor is positioned at the stator when outside, the structural representation of the described high-tensile strength density permanent magnet motor of this execution mode.Shown in Figure 7 is that rotor is positioned at the stator when outside, the structural representation of the described high-tensile strength density permanent magnet motor of this execution mode.
Embodiment ten: this execution mode is that the octagon described in the embodiment eight is done further qualification; Octagon described in this execution mode is made up of two fan-shaped stacks, and the center of circle on two arc limits that each is fan-shaped all is positioned on the central axis of motor.
Stator in embodiment eight or the nine described high-tensile strength density permanent magnet motors can adopt no core construction or slotless configuration unshakable in one's determination is arranged.
In embodiment eight or the nine described high-tensile strength density permanent magnet motors, can also the high strength sheath be installed,, prevent that it from coming off with the protection permanent magnet in the rotor airgap side.
Among the present invention, main permanent magnet 1 all can adopt the mode of stickup to fix with auxiliary permanent magnet 2, can also adopt Embedded mode to fix, that is: fluting is fixing on the parts of fixing main permanent magnet 1 and auxiliary permanent magnet 2.
Claims (10)
1. high-tensile strength density permanent magnet motor, this motor is monolateral dull and stereotyped motor, said motor comprises primary and secondary, is air gap between the said primary and secondary; It is characterized in that; Secondary main permanent magnet (1), auxiliary permanent magnet (2) and the yoke plate of comprising; The cross section of main permanent magnet (1) is the hexagon or the octagon of left-right symmetric structure; And less than the length away from the base of air gap side, each main permanent magnet (1) is parallel magnetization all near the base length of air gap side for this hexagon or octagon, and its magnetizing direction is perpendicular to the direction of primary and secondary relative motion; The cross section of auxiliary permanent magnet (2) is the hexagon or the octagon of left-right symmetric structure; Should auxiliary permanent magnet (2) near the base length of air gap side greater than length away from the base of air gap side, said auxiliary permanent magnet (2) parallel magnetization, said magnetizing direction is parallel to the direction of primary and secondary relative motion; The alternate tight arrangement with auxiliary permanent magnet (2) of main permanent magnet (1) also is fixed on the air gap side of plate shaped magnetic conduction yoke plate, and the side that each main permanent magnet (1) is adjacent with auxiliary permanent magnet (2) is closely adjacent.
2. high-tensile strength density permanent magnet motor, this motor is bilateral dull and stereotyped motor, said motor comprises primary and secondary, is air gap between the said primary and secondary; Said secondary be bilateral structure; It is characterized in that; Every limit is secondary to comprise main permanent magnet (1), auxiliary permanent magnet (2) and yoke plate, and the cross section of main permanent magnet (1) is the hexagon or the octagon of left-right symmetric structure, and this hexagon or octagon near the base length of air gap side less than length away from the base of air gap side; Each main permanent magnet (1) is parallel magnetization all; Its magnetizing direction is perpendicular to the direction of primary and secondary relative motion, and the cross section of auxiliary permanent magnet (2) is the hexagon or the octagon of left-right symmetric structure, this auxiliary permanent magnet (2) near the base length of air gap side greater than length away from the base of air gap side; Said auxiliary permanent magnet (2) parallel magnetization; Said magnetizing direction is parallel to the direction of primary and secondary relative motion, and the alternate tight arrangement with auxiliary permanent magnet (2) of main permanent magnet (1) also is fixed on the air gap side of plate shaped magnetic conduction yoke plate, and each main permanent magnet (1) closely contacts with the adjacent side of auxiliary permanent magnet (2); The magnetizing direction of corresponding two the main permanent magnets in position (1) was identical during both sides were secondary, and the magnetizing direction of corresponding two the auxiliary permanent magnets in position (2) was opposite during both sides were secondary.
3. high-tensile strength density permanent magnet motor, this motor is a cylindrical linear motor, said motor comprises primary and secondary; It between the said primary and secondary air gap; It is characterized in that, secondary main permanent magnet (1), auxiliary permanent magnet (2) and the conductive magnetic yoke tube of comprising, main permanent magnet (1) is circular; Its cross section is the hexagon or the octagon of left-right symmetric structure; And less than the length away from the base of air gap side, each main permanent magnet (1) is parallel magnetization all near the base length of air gap side for this hexagon or octagon, and its magnetizing direction is perpendicular to the direction of primary and secondary relative motion; Auxiliary permanent magnet (2) is circular; Its cross section is the hexagon or the octagon of left-right symmetric structure, and in the hexagon in auxiliary permanent magnet (2) cross section or the octagon near the base length of air gap side greater than the length away from the base of air gap side, said auxiliary permanent magnet (2) parallel magnetization; Said magnetizing direction is parallel to the direction of primary and secondary relative motion, and main permanent magnet (1) and auxiliary permanent magnet (2) are along the alternate tight arrangement of primary and secondary direction of relative movement and be fixed on the air gap side surface of conductive magnetic yoke tube.
4. according to claim 1,2 or 3 described high-tensile strength density permanent magnet motors, it is characterized in that the octagon that said octagon is made up of two rectangle stacks.
5. according to claim 1,2 or 3 described high-tensile strength density permanent magnet motors; It is characterized in that the octagon that said octagon is made up of two trapezoidal stacks; Said two trapezoidal isosceles trapezoids that are, one of them trapezoidal short base is connected with another trapezoidal long base.
6. according to claim 1,2 or 3 described high-tensile strength density permanent magnet motors; It is characterized in that; The octagon that said octagon is trapezoidal by one and the stack of rectangle is formed, when the long limit of said rectangle during less than trapezoidal short base, this rectangle is superimposed upon on the trapezoidal short base and forms octagon; When the long limit of said rectangle during greater than trapezoidal long base, this trapezoidal long base is superimposed upon on the long limit of rectangle and forms octagon.
7. according to claim 1,2 or 3 described high-tensile strength density permanent magnet motors; It is characterized in that; The hexagon that said hexagon is trapezoidal by one and the stack of rectangle is formed, when the long limit of said rectangle equaled trapezoidal short base, this rectangle was superimposed upon on the trapezoidal short base and forms hexagon; When the long limit of said rectangle equaled trapezoidal long base, this trapezoidal long base was superimposed upon on the long limit of rectangle and forms hexagon.
8. according to claim 1,2 or 3 described high-tensile strength density permanent magnet motors, it is characterized in that said elementary employing does not have core construction or slotless configuration unshakable in one's determination is arranged.
9. high-tensile strength density permanent magnet motor; This motor is an electric rotating machine, and this motor comprises stator and rotor, is air gap between stator and the rotor; It is characterized in that; Said rotor comprises main permanent magnet (1), auxiliary permanent magnet (2) and rotor yoke tube formation, and main permanent magnet (1) cross section is the octagon of mirror to symmetry, and the length of side on limit that is positioned at the air gap side in this octagon is less than the length of side away from the limit of air gap side; Auxiliary permanent magnet (2) cross section is the octagon of mirror to symmetry, and the length of side on limit that is positioned at the air gap side in this octagon is greater than the length of side away from the limit of air gap side; Main permanent magnet (1) is radial magnetizing or parallel magnetization, and auxiliary permanent magnet (2) is a cutting orientation magnetizing; The air gap side surface of rotor yoke tube is along the circumferential direction closely arranged and be fixed on to main permanent magnet (1) and auxiliary permanent magnet (2) successively at interval; The magnetizing direction of along the circumferential direction adjacent two main permanent magnets (1) is opposite, and the magnetizing direction of along the circumferential direction adjacent two auxiliary permanent magnets (2) is opposite.
10. high-tensile strength density permanent magnet motor according to claim 9 is characterized in that, said octagon is made up of two fan-shaped stacks, and the center of circle on two arc limits that each is fan-shaped all is positioned on the central axis of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100229172A CN102594086A (en) | 2012-02-02 | 2012-02-02 | High-power density permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100229172A CN102594086A (en) | 2012-02-02 | 2012-02-02 | High-power density permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102594086A true CN102594086A (en) | 2012-07-18 |
Family
ID=46482385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100229172A Pending CN102594086A (en) | 2012-02-02 | 2012-02-02 | High-power density permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102594086A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333150A (en) * | 2014-11-02 | 2015-02-04 | 北京理工大学 | Halbach permanent magnet array of convex magnetic block |
| CN104362827A (en) * | 2014-12-01 | 2015-02-18 | 哈尔滨工业大学 | Linear reluctance motor |
| CN104467343A (en) * | 2014-11-27 | 2015-03-25 | 金陵科技学院 | Cylindrical magnetic-pole combined linear generator |
| CN107925338A (en) * | 2015-09-11 | 2018-04-17 | 倍福自动化有限公司 | The magnetic combination of motor |
| CN108328249A (en) * | 2017-07-06 | 2018-07-27 | 上海果栗自动化科技有限公司 | A kind of linear transmission system |
| CN114465385A (en) * | 2020-11-10 | 2022-05-10 | 精工爱普生株式会社 | Axial gap motor and radial gap motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11308793A (en) * | 1998-04-24 | 1999-11-05 | Matsushita Electric Ind Co Ltd | Outer rotor type permanent magnet motor |
| JP2005245066A (en) * | 2004-02-24 | 2005-09-08 | Yaskawa Electric Corp | Moving magnet type linear motor |
| CN102185458A (en) * | 2011-05-18 | 2011-09-14 | 哈尔滨工业大学 | High-precision slotless permanent magnet motor |
-
2012
- 2012-02-02 CN CN2012100229172A patent/CN102594086A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11308793A (en) * | 1998-04-24 | 1999-11-05 | Matsushita Electric Ind Co Ltd | Outer rotor type permanent magnet motor |
| JP2005245066A (en) * | 2004-02-24 | 2005-09-08 | Yaskawa Electric Corp | Moving magnet type linear motor |
| CN102185458A (en) * | 2011-05-18 | 2011-09-14 | 哈尔滨工业大学 | High-precision slotless permanent magnet motor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333150A (en) * | 2014-11-02 | 2015-02-04 | 北京理工大学 | Halbach permanent magnet array of convex magnetic block |
| CN104467343A (en) * | 2014-11-27 | 2015-03-25 | 金陵科技学院 | Cylindrical magnetic-pole combined linear generator |
| CN104362827A (en) * | 2014-12-01 | 2015-02-18 | 哈尔滨工业大学 | Linear reluctance motor |
| CN107925338A (en) * | 2015-09-11 | 2018-04-17 | 倍福自动化有限公司 | The magnetic combination of motor |
| CN108328249A (en) * | 2017-07-06 | 2018-07-27 | 上海果栗自动化科技有限公司 | A kind of linear transmission system |
| CN108328249B (en) * | 2017-07-06 | 2019-10-25 | 上海果栗自动化科技有限公司 | A kind of linear transmission system |
| CN114465385A (en) * | 2020-11-10 | 2022-05-10 | 精工爱普生株式会社 | Axial gap motor and radial gap motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101969261B (en) | High-power density permanent magnet motor | |
| CN102185458B (en) | High-precision slotless permanent magnet motor | |
| EP3528366B1 (en) | Motor comprising halbach array and apparatus comprising same | |
| CN102594086A (en) | High-power density permanent magnet motor | |
| CN102255470B (en) | LPMSM (linear permanent magnet synchronous motor) with low-thrust fluctuation | |
| CN101783573B (en) | Multiphase long-stator primary permanent magnet linear motor | |
| JP4692688B1 (en) | Rotating electric machines, direct acting electric machines, and wind power generation systems | |
| CN109660097A (en) | A kind of novel adjustable magnetic axial magnetic flux switching Halbach motor | |
| CN103904852B (en) | A kind of magnet structure outer rotor disc type motor | |
| JP2013524747A (en) | Three-phase AC permanent magnet motor | |
| CN108808910A (en) | A kind of built-in hybrid permanent magnet motor | |
| CN102158042B (en) | High-dynamic cylindrical linear reluctance motor | |
| WO2011154996A1 (en) | Electric generator and power-generation device using same | |
| CN104578637A (en) | Double-stator permanent magnetic linear motor and motor module | |
| CN109039002A (en) | A kind of built-in vernier permanent-magnetism linear motor of permanent magnet | |
| CN109004777A (en) | A kind of flux-reversal claw-pole motor component | |
| CN112234735A (en) | Rotor punching sheet, rotor core, motor and vehicle | |
| CN104167897A (en) | Flat-plate-type transverse magnetic flux switching permanent magnet linear motor | |
| CN104333150A (en) | Halbach permanent magnet array of convex magnetic block | |
| CN102290960A (en) | Cylindrical linear reluctance motor with permanent magnet offset structure | |
| CN101741213B (en) | Cylindrical permanent magnet linear motor | |
| JP2005051929A (en) | Motor | |
| CN103199669B (en) | Heterogeneous Long Distances cylinder type flux suitching type linear electric motors | |
| CN115800675A (en) | Bilateral dislocation magnetic flux switches linear electric motor | |
| CN206650564U (en) | A kind of magnetic suspension flux switch 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 | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120718 |