CN114944737A - Primary and secondary mixed excitation type double salient pole two-degree-of-freedom magnetic flux reverse motor - Google Patents

Primary and secondary mixed excitation type double salient pole two-degree-of-freedom magnetic flux reverse motor Download PDF

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Publication number
CN114944737A
CN114944737A CN202210466171.8A CN202210466171A CN114944737A CN 114944737 A CN114944737 A CN 114944737A CN 202210466171 A CN202210466171 A CN 202210466171A CN 114944737 A CN114944737 A CN 114944737A
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China
Prior art keywords
rotor
motion stator
linear
permanent magnet
rotary
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Pending
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CN202210466171.8A
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Chinese (zh)
Inventor
苏鹏
夏玉佳
常岚超
李永建
胡艳芳
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Hebei University of Technology
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Hebei University of Technology
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Priority to CN202210466171.8A priority Critical patent/CN114944737A/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • H02K16/04—Machines with one rotor and two stators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/17—Stator cores with permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28—Layout of windings or of connections between windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/52—Fastening salient pole windings or connections thereto
    • H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
    • H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
    • 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
    • H02K41/06—Rolling motors, i.e. motors having the rotor axis parallel to the stator axis and following a circular path as the rotor rolls around the inside or outside of the stator ; Nutating motors, i.e. having the rotor axis parallel to the stator axis inclined with respect to the stator axis and performing a nutational movement as the rotor rolls on the stator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Abstract

The invention discloses a primary and secondary mixed excitation type doubly salient two-degree-of-freedom magnetic flux reverse motor, which belongs to the technical field of motor manufacturing. By adopting a primary and secondary double-mixed excitation topological structure, the linear and rotary permanent magnetic field is adjusted while the magnetic flux reverse working principle is realized, and the torque density and the thrust density of the motor are effectively increased. The rotor adopts a modular triangular structure, is fixed on the rotor non-magnetic-conductive support part and is not provided with a rotor yoke part, the rotary permanent magnetic field and the armature magnetic field are only closed along the rotor rotary module, and the linear permanent magnetic field and the armature magnetic field are only closed along the rotor linear module, so that the coupling between the linear motion traveling wave magnetic field and the rotary motion rotary magnetic field is effectively inhibited, the coupling influence between the magnetic fields under the working condition of two-degree-of-freedom motion is reduced, and the decoupling control is easy to realize.

Description

Primary and secondary mixed excitation type double salient pole two-degree-of-freedom magnetic flux reverse motor
Technical Field
The invention belongs to the technical field of motor manufacturing, and particularly relates to a primary and secondary hybrid excitation type doubly salient two-degree-of-freedom magnetic flux reversal motor capable of driving a load to rotate, linearly or spirally move.
Background
In real life, the requirements on the complexity and the driving precision of an industrial driving system are higher and higher, for example, devices such as a multi-dimensional machining platform, a ship electric propulsion system, a spiral drilling machine, a spiral pump and the like all need a driving shaft to move in two degrees of freedom.
The two-degree-of-freedom motion mode of the traditional two-degree-of-freedom driving implementation method is not only complex in control method, but also has the defects of high price, low positioning precision and the like of a mechanical transmission device. The linear-rotation two-degree-of-freedom motion motor is a two-degree-of-freedom motor capable of realizing linear, rotary and spiral motions, and is a typical representative of a two-dimensional motion motor. However, the structure and performance of the existing linear rotation two-degree-of-freedom motor still have many places to be optimized.
The permanent magnet type two-degree-of-freedom motor has the advantages of high power density and high efficiency, but the permanent magnet field is difficult to adjust, and the multi-working-condition high-efficiency operation of the motor is not facilitated. An invention patent with publication number CN112968565A, a mixed excitation doubly salient permanent magnet synchronous motor, discloses a mixed excitation doubly salient permanent magnet synchronous motor. The air gap field of the permanent magnet motor is determined by the magnetic steel and the magnetic conductance of the magnetic circuit, and the air gap field is almost kept constant in operation and difficult to adjust, so that the development and the application of the permanent magnet motor are limited to a great extent. The invention patent with the publication number of CN109742874A discloses a linear rotation two-degree-of-freedom magnetic flux switching permanent magnet motor, which comprises a stator and a rotor, wherein the stator is provided with permanent magnets which are magnetized in the axial direction and the circumferential direction, and a linear motion winding and a rotary motion winding are both arranged on the stator; the rotor is in an axial and circumferential salient pole structure. The rotary armature magnetic field and the linear armature magnetic field are inevitably coupled in the stator teeth, so that the magnetic field is distorted, and the precise control of linear motion and rotary motion is not facilitated.
Disclosure of Invention
The invention aims to solve the problem of providing a primary and secondary mixed excitation type doubly salient two-degree-of-freedom flux reversal motor capable of driving a load to rotate, linearly or spirally move, adjusting a primary excitation magnetic field on line, improving the power density and the speed regulation range of the motor, realizing the multi-working-condition efficient operation of the motor, effectively weakening the magnetic field coupling between a linear moving traveling wave magnetic field and a rotary moving magnetic field, being easy to decouple and control and convenient to process and assemble.
In order to solve the technical problems, the invention adopts the technical scheme that: a primary and secondary mixed excitation type double-salient two-degree-of-freedom magnetic flux reverse motor comprises a rotary motion stator, a rotor and a linear motion stator, wherein the rotary motion stator, the rotor and the linear motion stator are all salient pole structures; the rotary motion stator is positioned on the outer layer, the linear motion stator is positioned on the inner layer, and the rotary motion stator and the linear motion stator are nested; the rotor is of an annular structure, is positioned between the rotary motion stator and the linear motion stator and forms a double-layer air gap,
the rotary motion stator comprises a rotary motion stator iron core, a rotary motion armature winding, a rotary motion stator permanent magnet and a rotary motion stator excitation winding; the surface of the permanent magnet of the rotary motion stator is attached to a tooth part groove of a rotary motion stator iron core to form rotary motion armature teeth, the permanent magnet of the rotary motion stator is magnetized in the radial direction, the magnetizing directions of the permanent magnets of the rotary motion stator are the same, and a concentrated winding structure is adopted by a winding of the rotary motion armature and wound on the rotary motion armature teeth; the rotating motion stator excitation winding is wound in a tooth groove on a rotating motion stator iron core, which is adjacent to the rotating motion stator permanent magnet, and the direction of the generated excitation magnetic field is opposite to the magnetizing direction of the rotating motion stator permanent magnet;
the linear motion stator comprises a linear motion stator iron core, a linear motion annular armature winding, a linear motion stator permanent magnet and a linear motion stator excitation winding; the linear motion stator permanent magnet is pasted in a tooth part groove of a linear motion stator iron core, the linear motion stator permanent magnet is magnetized along the radial direction, the magnetizing directions of the linear motion stator permanent magnet are the same, the linear motion annular armature winding adopts an annular winding structure and is arranged in the groove of the linear motion stator iron core, an annular linear motion stator excitation winding on the linear motion stator is arranged in the groove of the linear motion stator iron core and is adjacent to the linear motion stator permanent magnet, and the directions of excitation magnetic fields generated by the adjacent linear motion stator excitation windings are opposite;
the inner side and the outer side of the rotor are respectively provided with a salient pole tooth, the rotating salient pole teeth of the rotor at the outer side are of a triangular structure and are distributed along the circumference, the rotating permanent magnet of the rotor is pasted in a groove of the rotating salient pole teeth of the rotor and is magnetized in the radial direction, and the magnetizing direction is consistent with the magnetizing direction of the rotating motion stator permanent magnet; the inner rotor linear salient pole teeth are also of a triangular structure and are distributed along the axial direction, the rotor linear permanent magnet is pasted in a groove of the rotor linear salient pole teeth in a radial magnetizing mode, the magnetizing direction is consistent with the magnetizing direction of the linear motion stator permanent magnet, and the rotor rotating salient pole teeth and the rotor linear salient pole teeth are fixed (embedded) on the non-magnetic-conductive supporting piece together.
Preferably, the rotor rotary salient pole teeth of the rotor adopt an oblique pole structure.
Preferably, the rotary motion stator core, the linear motion stator core, the rotor rotary salient pole teeth and the rotor linear salient pole teeth are all made of magnetic conductive material silicon steel sheets.
Preferably, the rotary motion stator permanent magnet, the rotor rotary permanent magnet, the linear motion stator permanent magnet and the rotor linear permanent magnet are made of permanent magnet materials such as neodymium iron boron, samarium cobalt and ferrite.
By adopting the technical scheme, the rotor of the permanent-magnet motor is of a salient-pole permanent-magnet structure, the stator of the permanent-magnet motor is of a hybrid excitation structure, and a primary and secondary double-hybrid excitation topological structure is adopted, so that the linear and rotary permanent-magnet magnetic fields are adjusted while the magnetic flux reversal working principle is realized, and the torque density and the thrust density of the motor are effectively increased. The rotor adopts a modularized triangular structure, is fixed on the rotor non-magnetic-conductive supporting piece and is not provided with a rotor yoke, the rotary permanent magnetic field and the armature magnetic field are only closed along the rotor rotary module, and the linear permanent magnetic field and the armature magnetic field are only closed along the rotor linear module, so that the coupling between the linear motion traveling wave magnetic field and the rotary motion rotary magnetic field is effectively inhibited, the coupling influence between the magnetic fields is reduced under the working condition of two-degree-of-freedom motion, the decoupling control is easy to realize, and the performance problem of the existing motor is solved. The main part of the air gap field of the hybrid excitation motor is generated by the permanent magnet, and the magnetic field change part required by voltage regulation is realized by the auxiliary excitation winding. Compared with a permanent magnet motor, the invention has the capability of adjusting the air gap flux density.
Drawings
The advantages and realisation of the invention will be more apparent from the following detailed description, given by way of example, with reference to the accompanying drawings, which are given for the purpose of illustration only, and which are not to be construed in any way as limiting the invention, and in which:
FIG. 1 is a schematic cross-sectional view of the present invention
FIG. 2 is a schematic cross-sectional view of a rotary motion stator of the present invention
FIG. 3 is a schematic cross-sectional view of a linear motion stator of the present invention
FIG. 4 is a schematic diagram of the distribution of the rotating armature winding of the present invention
FIG. 5 is a schematic view of the distribution of linear armature windings according to the present invention
In the drawings
1. The rotor comprises a rotary motion stator, 2, a rotor, 3, a linear motion stator, 4, a rotary motion stator iron core 5, a rotary motion armature winding, 6, a rotary motion stator permanent magnet, 7, a linear motion stator iron core, 8, a linear motion annular armature winding, 9, a linear motion stator permanent magnet, 10, a rotor linear permanent magnet, 11, a rotor rotary permanent magnet, 12, rotor rotary salient pole teeth, 13, rotor linear salient pole teeth, 14, a non-magnetic-conductive supporting piece, 15, a rotary motion stator excitation winding and 16, a linear motion stator excitation winding.
Detailed Description
As shown in fig. 1 to fig. 3, the primary and secondary hybrid excitation type doubly salient two-degree-of-freedom flux reversal motor of the present invention includes a rotary motion stator 1, a mover 2 and a linear motion stator 3, wherein the rotary motion stator 1, the mover 2 and the linear motion stator 3 are all salient structures; the rotary motion stator 1 is positioned on the outer layer, the linear motion stator 3 is positioned on the inner layer, and the rotary motion stator 1 and the linear motion stator 3 are nested; the rotor 2 is of an annular structure, is positioned between the rotary motion stator 1 and the linear motion stator 3, and forms a double-layer air gap;
the rotary motion stator 1 comprises a rotary motion stator iron core 4, a rotary motion armature winding 5, a rotary motion stator permanent magnet 6 and a rotary motion stator excitation winding 15; the permanent magnet 6 of the rotary motion stator is attached to the tooth part slot of the iron core 4 of the rotary motion stator to form rotary motion armature teeth, the permanent magnet 6 of the rotary motion stator is magnetized in the radial direction, the magnetizing directions of the permanent magnet 6 of the rotary motion stator are the same, and the rotary motion armature winding 5 adopts a concentrated winding structure and is wound on the rotary motion armature teeth; the rotating motion stator excitation winding 15 is wound in a tooth part groove on the rotating motion stator iron core 4 adjacent to the rotating motion stator permanent magnet 6, and the direction of the generated excitation magnetic field is opposite to the magnetizing direction of the rotating motion stator permanent magnet 6;
the linear motion stator 3 comprises a linear motion stator iron core 7, a linear motion annular armature winding 8, a linear motion stator permanent magnet 9 and a linear motion stator excitation winding 16; the linear motion stator permanent magnet 9 is pasted in a tooth groove of the linear motion stator iron core 7, the linear motion stator permanent magnet 9 is magnetized along the radial direction, the magnetizing directions of the linear motion stator permanent magnet 9 are the same, the linear motion annular armature winding 8 adopts an annular winding structure and is arranged in the groove of the linear motion stator iron core 7,
the annular linear motion stator excitation winding 16 on the linear motion stator 3 is arranged in a groove of the linear motion stator iron core 7 and is adjacent to the linear motion stator permanent magnet 9, and the directions of excitation magnetic fields generated by the adjacent linear motion stator excitation windings 16 are opposite.
The inner side and the outer side of the rotor 2 are both provided with salient pole teeth, the outer rotor rotating salient pole teeth 12 are of a triangular structure and are distributed along the circumference, the rotor rotating permanent magnets 11 are attached to the grooves of the rotor rotating salient pole teeth 12 in a surface mode and are magnetized in the radial direction, and the magnetizing direction is consistent with the magnetizing direction of the rotating motion stator permanent magnet 6; the inner rotor linear salient pole teeth 13 are also of a triangular structure and are distributed along the axial direction, the rotor linear permanent magnets 10 are attached to the grooves of the rotor linear salient pole teeth 13 and are magnetized in the radial direction, the magnetizing direction of the rotor linear permanent magnets is consistent with the magnetizing direction of the linear motion stator permanent magnets 9, and the rotor rotary salient pole teeth 12 and the rotor linear salient pole teeth 13 are jointly fixed (embedded) on the non-magnetic-conductive supporting piece 14.
The rotor rotary salient pole teeth 12 of the rotor 2 adopt an oblique pole structure; the rotary motion stator iron core 4, the linear motion stator iron core 7, the rotor rotary salient pole teeth 12 and the rotor linear salient pole teeth 13 are all made of magnetic conductive material silicon steel sheets; the rotary motion stator permanent magnet 6, the rotor rotary permanent magnet 11, the linear motion stator permanent magnet 9 and the rotor linear permanent magnet 10 are made of permanent magnet materials such as neodymium iron boron, samarium cobalt and ferrite.
The invention adopts two groups of armature windings, and when only the armature winding 5 for rotary motion is electrified, the load can be driven to do rotary motion; when only the linear motion armature winding 8 is electrified, the load can be driven to do axial linear motion; when the two motors are electrified simultaneously, the generated electromagnetic torque for driving the rotary motion and the generated electromagnetic thrust for driving the linear motion act together to realize the spiral motion of the two-freedom-degree motor rotor.
The rotor of the permanent-magnet motor is a salient permanent-magnet structure, the stator of the permanent-magnet motor is a hybrid excitation structure, and a primary and secondary double-hybrid excitation topological structure is adopted, so that the linear and rotary permanent-magnet magnetic field is adjusted while the magnetic flux reverse working principle is realized, and the torque density and the thrust density of the motor are effectively increased. The rotor adopts a modularized triangular structure, is fixed on the rotor non-magnetic-conduction supporting piece, is not provided with a rotor yoke, the rotary permanent magnetic field and the armature magnetic field are only closed along the rotor rotary module, and the linear permanent magnetic field and the armature magnetic field are only closed along the rotor linear module, so that the coupling between the linear motion traveling wave magnetic field and the rotary motion rotary magnetic field is effectively inhibited, the coupling influence between the magnetic fields under the working condition of two-degree-of-freedom motion is reduced, the decoupling control is easy to realize, and the performance problem of the existing motor is solved. The main part of the air gap field of the hybrid excitation motor is generated by the permanent magnet, and the magnetic field change part required by voltage regulation is realized by the auxiliary excitation winding. Compared with a permanent magnet motor, the invention has the capability of adjusting the magnetic density of the air gap.
As shown in fig. 4 and 5, the rotary armature winding distribution and the linear armature winding distribution of the present embodiment are as follows:
the armature winding 5 is rotated, the No. 511 coil and the No. 513 coil of the A-phase armature winding are opposite in radial direction, the No. 512 coil and the No. 514 coil are opposite in radial direction, the difference between the spatial positions of the No. 511 coil and the No. 512 coil is 90 degrees, the No. 511 coil and the No. 512 coil under the A phase are connected in series in the forward direction to form a coil group, and similarly, the No. 513 coil and the No. 514 coil are connected in series in the forward direction to form another coil group, and the two coil groups are connected in series in the forward direction to form the A-phase armature winding; the spatial positions of the coils of the B-phase (521-coil, 523-coil, 522-coil, and 524-coil) and the C-phase (531-coil, 533-coil, 532-coil, and 534-coil) are set the same as those of the a-phase, and the spatial positions of the three-phase armature windings are different by 60 ° and the three-phase flux linkage phase is different by 120 °.
The linear motion armature winding 8, the 811, 812, 813, 814 number coil of the A phase armature winding differ two slot pitches on the space position separately, and the 811 number coil and 812 number coil under the A phase form a coil group, 813 number coil and 814 number coil are connected in series in the forward direction to form another coil group, two coil groups are connected in series in the forward direction to form A phase armature winding; the coils of the B-phase (821, 822, 823, 824) and the C-phase (831, 832, 833, 834) are arranged in the same manner as the a-phase, and the spatial positions of the three phases are different by 1 slot pitch, so that the three-phase flux linkage phase is different by 120 °.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims (5)

1. A primary and secondary mixed excitation type double salient pole two-degree-of-freedom magnetic flux reverse motor is characterized in that: the rotor comprises a rotary motion stator (1), a rotor (2) and a linear motion stator (3), wherein the rotary motion stator (1) comprises a rotary motion stator iron core (4), a rotary motion armature winding (5), a rotary motion stator permanent magnet (6) and a rotary motion stator excitation winding (15); the rotating motion stator excitation winding (15) is wound in a tooth part groove adjacent to the rotating motion stator permanent magnet (6) on the rotating motion stator iron core (4), and the direction of the generated excitation magnetic field is opposite to the magnetizing direction of the rotating motion stator permanent magnet (6); the linear motion stator (3) comprises a linear motion stator iron core (7), a linear motion annular armature winding (8), a linear motion stator permanent magnet (9) and a linear motion stator excitation winding (16); the annular linear motion stator excitation winding (16) on the linear motion stator (3) is arranged in a groove of the linear motion stator iron core (7) and is adjacent to the linear motion stator permanent magnet (9), and the directions of excitation magnetic fields generated by the adjacent linear motion stator excitation windings (16) are opposite.
2. The primary and secondary hybrid excitation type doubly salient two-degree-of-freedom flux-reversing motor of claim 1, wherein: the rotary motion stator (1), the rotor (2) and the linear motion stator (3) are all of salient pole structures; the rotary motion stator (1) is positioned on the outer layer, the linear motion stator (3) is positioned on the inner layer, and the rotary motion stator (1) and the linear motion stator (3) are nested; the rotor (2) is of an annular structure, is positioned between the rotary motion stator (1) and the linear motion stator (3), and forms a double-layer air gap; the rotary motion stator permanent magnet (6) is attached to a tooth groove of the rotary motion stator iron core (4) to form a rotary motion armature tooth, the rotary motion stator permanent magnet (6) is magnetized in the radial direction, the magnetizing directions of the rotary motion stator permanent magnet (6) are the same, and the rotary motion armature winding (5) is of a concentrated winding structure and is wound on the rotary motion armature tooth; the linear motion stator permanent magnet (9) is attached to a tooth groove of a linear motion stator iron core (7), the linear motion stator permanent magnet (9) is magnetized along the radial direction, the magnetizing directions of the linear motion stator permanent magnet (9) are the same, the linear motion annular armature winding (8) is of an annular winding structure and is arranged in the groove of the linear motion stator iron core (7), salient pole teeth are arranged on the inner side and the outer side of the rotor (2), the rotor rotating salient pole teeth (12) on the outer side are of a triangular structure and are distributed along the circumference, the rotor rotating permanent magnet (11) is attached to the groove of the rotor rotating salient pole teeth (12) in a surface mode, the rotor is magnetized along the radial direction, and the magnetizing direction is consistent with the magnetizing direction of the rotating motion stator permanent magnet (6); the inner rotor linear salient pole teeth (13) are also of a triangular structure and are distributed along the axial direction, the rotor linear permanent magnets (10) are attached to the grooves of the rotor linear salient pole teeth (13) in a surface mode and are magnetized in the radial direction, the magnetizing direction is consistent with the magnetizing direction of the linear motion stator permanent magnets (9), and the rotor rotary salient pole teeth (12) and the rotor linear salient pole teeth (13) are fixed on the non-magnetic-conductive supporting piece (14) together.
3. The primary and secondary hybrid excitation type doubly salient two-degree-of-freedom flux-reversing motor of claim 2, wherein: the rotor rotary salient pole teeth (12) of the rotor (2) adopt an oblique pole structure.
4. The primary and secondary hybrid excitation type doubly salient two-degree-of-freedom flux-reversing motor of claim 2, wherein: the rotary motion stator iron core (4), the linear motion stator iron core (7), the rotor rotary salient pole teeth (12) and the rotor linear salient pole teeth (13) are all made of magnetic conductive material silicon steel sheets.
5. The primary and secondary hybrid excitation type doubly salient two degree-of-freedom flux-commutated motor of claim 2, wherein: the rotary motion stator permanent magnet (6), the rotor rotary permanent magnet (11), the linear motion stator permanent magnet (9) and the rotor linear permanent magnet (10) are made of permanent magnet materials such as neodymium iron boron, samarium cobalt and ferrite.
CN202210466171.8A 2022-04-29 2022-04-29 Primary and secondary mixed excitation type double salient pole two-degree-of-freedom magnetic flux reverse motor Pending CN114944737A (en)

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CN202210466171.8A CN114944737A (en) 2022-04-29 2022-04-29 Primary and secondary mixed excitation type double salient pole two-degree-of-freedom magnetic flux reverse motor

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Application Number Priority Date Filing Date Title
CN202210466171.8A CN114944737A (en) 2022-04-29 2022-04-29 Primary and secondary mixed excitation type double salient pole two-degree-of-freedom magnetic flux reverse motor

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116073615A (en) * 2023-03-09 2023-05-05 山东大学 Rotary and linear motion motor based on axial magnetic flux and working method thereof
CN116094272A (en) * 2023-03-09 2023-05-09 山东大学 Two-degree-of-freedom motor based on modularized movable rotor and working method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116073615A (en) * 2023-03-09 2023-05-05 山东大学 Rotary and linear motion motor based on axial magnetic flux and working method thereof
CN116094272A (en) * 2023-03-09 2023-05-09 山东大学 Two-degree-of-freedom motor based on modularized movable rotor and working method thereof
CN116073615B (en) * 2023-03-09 2024-02-02 山东大学 Rotary and linear motion motor based on axial magnetic flux and working method thereof
CN116094272B (en) * 2023-03-09 2024-04-16 山东大学 Two-degree-of-freedom motor based on modularized movable rotor and working method thereof

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