CN109660100A - A kind of straight line rotation two-freedom magneto - Google Patents

A kind of straight line rotation two-freedom magneto Download PDF

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Publication number
CN109660100A
CN109660100A CN201910066676.3A CN201910066676A CN109660100A CN 109660100 A CN109660100 A CN 109660100A CN 201910066676 A CN201910066676 A CN 201910066676A CN 109660100 A CN109660100 A CN 109660100A
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CN
China
Prior art keywords
straight line
stator
winding
permanent magnet
freedom
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Granted
Application number
CN201910066676.3A
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Chinese (zh)
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CN109660100B (en
Inventor
徐磊
张超
朱孝勇
全力
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Jiangsu University
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Jiangsu University
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Priority to CN201910066676.3A priority Critical patent/CN109660100B/en
Publication of CN109660100A publication Critical patent/CN109660100A/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K21/16Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/14Stator cores with salient poles
    • H02K1/146Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H02K1/148Sectional cores
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • H02K1/2706Inner rotors
    • H02K1/272Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/278Surface mounted magnets; Inset magnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/04Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28Layout of windings or of connections between windings
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K41/00Propulsion 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
    • H02K41/02Linear motors; Sectional motors
    • H02K41/03Synchronous motors; Motors moving step by step; Reluctance motors
    • H02K41/031Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Linear Motors (AREA)

Abstract

The invention discloses a kind of straight lines to rotate two-freedom magneto, including stator and mover, there are following characteristics, the stator is constituted by stator unit is axially aligned, stator unit is provided with stator magnetism-isolating loop between any two, and stator unit is along the circumferential direction arranged by several stator tooth modules;It is arranged on the stator tooth unit by winding, winding is divided into straight line winding and rotation winding;The mover is made of mover yoke and permanent magnet blocks, and permanent magnet blocks are arranged on mover yoke surface.A kind of straight line of the invention rotates two-freedom magneto, using unique stator toothing and two sets of armature winding, straight line, rotation and the screw of motor are realized, has stator eddy-current loss small, output torque and the high characteristic of thrust, and fabricate and be easy.

Description

A kind of straight line rotation two-freedom magneto
Technical field
The present invention relates to a kind of straight lines to rotate two-freedom magneto, is applicable to straight line, rotation and screw The application of driving belongs to specific type of electric machine technical field.
Background technique
With the raising of increase and the driving required precision of industrial drives system complexity, the application of two-freedom driving is got over Come it is more extensive, such as human joint, robotic arm, high-grade lathe, naval vessel propulsion, cannon turntable, multi-axis machining, Satellite Tracking day Line, electric gyro etc., the requirement that especially some precision apparatus drive two-freedom is more more and more urgent, the list of motion in one dimension Freedom motor is unable to satisfy driving and requires, and needs the motor and its driving mechanism of a large amount of two-dimensional motions.
Straight line rotation two-freedom motion motor be it is a kind of can be realized straight line, rotation and the two-freedom of screw electricity Machine is the Typical Representative of two-dimensional motion motor.It has passed through the development of more than ten years, the research that straight line rotates two-freedom motor obtains Certain achievement.The straight line rotation two-freedom motor of many structure types is constantly suggested, such as sped structure, combination Formula structure and integrated structure etc., and it is applied to various occasions.But existing straight line rotation two-freedom motor structure and property Can still there are many places to have to be optimized.
Summary of the invention
The object of the present invention is to provide a kind of straight lines to rotate two-freedom magneto, realizes rotation and traveling wave in single air gap The coupling in magnetic field, and then output torque and thrust, and overcome existing straight line rotation two-freedom magneto power density it is small, The low disadvantage of complex process reliability reduces core loss and eddy-current loss, improves power density, improves the workability of motor Can, and simplify processing technology, improve motor reliability.
The technical scheme is that a kind of straight line rotates two-freedom magneto, including stator and mover, Ke Yishi Existing straight line, rotation and screw, the stator are constituted by m stator unit is axially aligned, the stator unit two-by-two it Between be provided with stator magnetism-isolating loop (3-2), the stator unit is along the circumferential direction arranged by n stator tooth module, stator tooth It (1) is Pisces fork overlapping connected structure.
Further, Pisces fork overlapping connected component is the smooth micro- arch-shaped ridge of radian;The axial cross section of ridge is square Shape, circle circumferential cross-section are segment annulus.
Further, winding is provided on stator tooth (1) unit, the winding is divided into straight line winding (2-2) and rotation Winding (2-1).
Further, the straight line winding (2-2) is wound on stator tooth (1) unit ridge, in the circumferential direction n straight line For winding (2-2) using being connected in series, the straight line winding (2-2) is centralized coiling.
Further, stator tooth splicing is in the slot that bottom is formed in the axial direction for rotation winding (2-1) coiling, institute Rotation winding (2-1) is stated as centralized coiling.
Further, the mover is made of mover yoke (5), permanent magnet blocks (4) and mover every magnetic patch (3-1), the permanent magnetism Body block (4) setting is successively discharged along the circumferential direction and along axial direction side respectively on mover yoke (5) surface, two-by-two permanent magnet blocks (4) along the circumferential direction between be provided with mover every magnetic patch (3-1);Permanent magnet blocks (4) number is several in the circumferential direction;Edge Axial aspect permanent magnet blocks (4) number is several.
Further, the angle center of circle angle that the permanent magnet blocks (4) are along the circumferential direction distributed is tc=(0.6~1) * 360/ 2P1, P1 are circumferencial direction permanent magnet pole logarithm;The length that permanent magnet blocks (4) are in axial direction distributed is tl=(0.5~1) τ, (τ is axial direction mover pole span), it is also N along axial direction that the permanent magnet blocks (4), which are along the circumferential direction alternately arranged for the pole N and the pole S, Pole and the pole S are alternately arranged.
A kind of straight line of the invention rotates two-freedom magneto, has the advantages that
1) straight line and rotating armature magnetic field are realized using double winding, and straight line winding and rotation winding magnetic flux path are mutual Vertically, it can be realized the decoupling drive control of preferable straight line and rotary motion.
2) unique stator toothing is used, stator eddy-current loss is reduced, so that motor output torque and thrust improve, Efficiency with higher.
3) magnet structure is embedded in using mover surface, it is easy to process, so that power of motor density improves.
Detailed description of the invention
Fig. 1 is linear rotation permanent magnet motor structure sectional view.
Fig. 2 is front view.
Fig. 3 is side view cutaway drawing.
Fig. 4 is stator toothing.
In figure: 1 is stator tooth, and 2-1 is rotation winding, and 2-2 is straight line winding, and 3-1 is mover every magnetic patch, and 3-2 is stator Magnetism-isolating loop, 4 be permanent magnet blocks, and 5 be mover yoke.
Specific embodiment
Below by way of specific embodiment, the present invention is further elaborated.
As shown in Figure 1, a kind of straight line rotates two-freedom magneto, including stator and mover, straight line, rotation may be implemented Turn and screw, the stator are constituted by m stator unit is axially aligned, the stator unit is provided with fixed between any two Sub- magnetism-isolating loop (3-2), the stator unit are along the circumferential direction arranged by n stator tooth module, and stator tooth (1) therein is Pisces fork overlapping connected structure.
As shown in figure 4, Pisces fork overlapping connected component is the smooth micro- arch-shaped ridge of radian;The axial cross section of ridge is Rectangle, circle circumferential cross-section are segment annulus, and the bottom end of Pisces fork is to be adapted with mover excircle radian close to the position of mover Annulus substrate.
Winding is provided on stator tooth (1) unit, the winding is divided into straight line winding (2-2) and rotation winding (2- 1)。
The straight line winding (2-2) is wound on stator tooth (1) unit ridge, in the circumferential direction n straight line winding (2- 2) using being connected in series, the straight line winding (2-2) is centralized coiling.
(i.e. Pisces is pitched in the slot that bottom is formed for stator tooth splicing in the axial direction for rotation winding (2-1) coiling In the slot of bottom), the rotation winding (2-1) is centralized coiling.
The mover is made of mover yoke (5), permanent magnet blocks (4) and mover every magnetic patch (3-1), the permanent magnet blocks (4) Setting is successively discharged along the circumferential direction and along axial direction side respectively on mover yoke (5) surface, and permanent magnet blocks (4) are circumferentially two-by-two Mover is provided between direction every magnetic patch (3-1);Permanent magnet blocks (4) number is several in the circumferential direction;Along axial aspect Permanent magnet blocks (4) number is several.
The angle center of circle angle that the permanent magnet blocks (4) are along the circumferential direction distributed is tc=(0.6~1) * 360/2P1, P1 For circumferencial direction permanent magnet pole logarithm;The length that permanent magnet blocks (4) are in axial direction distributed is tl=(0.5~1) τ, and (τ is axis To direction mover pole span), it is also the pole N and S along axial direction that the permanent magnet blocks (4), which are along the circumferential direction alternately arranged for the pole N and the pole S, Pole is alternately arranged.
As shown in Figure 1-3, being one embodiment of the present of invention, which is 8 pole, 12 slot structure, directly Line movement is 7 pole, 4 slot structure.The stator is constituted by stator unit is axially aligned, and the stator unit is arranged between any two There is stator magnetism-isolating loop, the stator unit is along the circumferential direction arranged by 12 stator tooth modules.
On the stator tooth unit be arranged by winding, the winding be divided into straight line winding and rotation winding, the straight line around Group is wound on stator tooth unit ridge, and 12 straight line windings are using being connected in series in the circumferential direction, the rotation winding around It makes in the splicing of stator tooth two-by-two in the slot being along the circumferential direction distributed that bottom is formed, the straight line winding and rotation winding are Centralized coiling.
The mover is made of mover yoke and permanent magnet blocks, and the permanent magnet blocks are arranged on mover yoke surface;Along circle The permanent magnet blocks number of circumferential direction is 8;The permanent magnet blocks are provided between along the circumferential direction every magnetic patch;7 permanent magnetism Body block is successively discharged along axial aspect.The angle center of circle angle that permanent magnets are along the circumferential direction distributed is 25 °, and permanent magnet is along axial direction side It is 10mm to the length of distribution.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this The range of invention is defined by the claims and their equivalents.

Claims (7)

1. a kind of straight line rotates two-freedom magneto, which is characterized in that including stator and mover, straight line, rotation may be implemented Turn and screw, the stator are constituted by m stator unit is axially aligned, the stator unit is provided with fixed between any two Sub- magnetism-isolating loop (3-2), the stator unit are along the circumferential direction arranged by n stator tooth module, and stator tooth (1) therein is Pisces fork overlapping connected structure.
2. a kind of straight line according to claim 1 rotates two-freedom magneto, which is characterized in that Pisces fork overlapping phase Even part is the smooth micro- arch-shaped ridge of radian;The axial cross section of ridge is rectangle, and circle circumferential cross-section is segment annulus.
3. a kind of straight line according to claim 1 rotates two-freedom magneto, which is characterized in that the stator tooth (1) winding is provided on unit, the winding is divided into straight line winding (2-2) and rotation winding (2-1).
4. a kind of straight line according to claim 3 rotates two-freedom magneto, which is characterized in that the straight line winding (2-2) is wound on stator tooth (1) unit ridge, and n straight line winding (2-2) is described using series connection in the circumferential direction Straight line winding (2-2) is centralized coiling.
5. a kind of straight line according to claim 3 rotates two-freedom magneto, which is characterized in that the rotation winding (2-1) coiling in the axial direction stator tooth splicing in the slot that bottom is formed, the rotation winding (2-1) for it is centralized around System.
6. a kind of straight line according to claim 1 rotates two-freedom magneto, which is characterized in that the mover is by moving Sub- yoke (5), permanent magnet blocks (4) and mover are constituted every magnetic patch (3-1), and the permanent magnet blocks (4) are arranged in mover yoke (5) table Face along the circumferential direction and along axial direction side is successively discharged respectively, two-by-two permanent magnet blocks (4) be provided between along the circumferential direction mover every Magnetic patch (3-1);Permanent magnet blocks (4) number is several in the circumferential direction;It is several along axial aspect permanent magnet blocks (4) number It is a.
7. a kind of straight line according to claim 6 rotates two-freedom magneto, which is characterized in that the permanent magnet blocks (4) the angle center of circle angle being along the circumferential direction distributed is tc=(0.6~1) * 360/2P1, and P1 is circumferencial direction permanent magnet pole pair Number;The length that permanent magnet blocks (4) are in axial direction distributed is tl=(0.5~1) τ, and (τ is axial direction mover pole span) is described Permanent magnet blocks (4) are along the circumferential direction alternately arranged for the pole N and the pole S, are also that the pole N and the pole S are alternately arranged along axial direction.
CN201910066676.3A 2019-01-24 2019-01-24 Linear rotation two-degree-of-freedom permanent magnet motor Active CN109660100B (en)

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Application Number Priority Date Filing Date Title
CN201910066676.3A CN109660100B (en) 2019-01-24 2019-01-24 Linear rotation two-degree-of-freedom permanent magnet motor

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Application Number Priority Date Filing Date Title
CN201910066676.3A CN109660100B (en) 2019-01-24 2019-01-24 Linear rotation two-degree-of-freedom permanent magnet motor

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CN109660100B CN109660100B (en) 2020-11-03

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110466302A (en) * 2019-07-08 2019-11-19 江苏大学 A kind of heavy vehicle linear rotating motor formula steering feed energy suspension
CN111555474A (en) * 2020-05-25 2020-08-18 安徽理工大学 Linear rotary drilling motor
CN111786528A (en) * 2020-07-06 2020-10-16 湖南大学 Linear rotation voice coil motor
CN112234784A (en) * 2020-09-28 2021-01-15 湖南大学 Linear rotating motor for SMD picking and mounting
CN113315331A (en) * 2021-07-28 2021-08-27 深圳双十科技有限公司 Two-degree-of-freedom motor for Z axis and assembling method thereof
CN113489282A (en) * 2021-06-17 2021-10-08 江苏大学 Steering suspension integrated five-phase permanent magnet fault-tolerant actuator and two-phase open-circuit fault-tolerant direct torque control method thereof

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WO2008096519A1 (en) * 2007-02-08 2008-08-14 Mitsubishi Electric Corporation Rotary-linear motor
CN101997389A (en) * 2010-11-11 2011-03-30 东南大学 Linear-rotation permanent-magnet actuator
CN207442675U (en) * 2017-06-28 2018-06-01 河南理工大学 A kind of motor of achievable straight line-rotation-screw
CN108631542A (en) * 2018-05-31 2018-10-09 中国石油大学(华东) A kind of cylinder type blocking transverse flux linear switched reluctance machines
CN109742874A (en) * 2018-12-29 2019-05-10 江苏大学 A kind of straight line rotation two-freedom flux switch permanent magnet motor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008096519A1 (en) * 2007-02-08 2008-08-14 Mitsubishi Electric Corporation Rotary-linear motor
CN101997389A (en) * 2010-11-11 2011-03-30 东南大学 Linear-rotation permanent-magnet actuator
CN207442675U (en) * 2017-06-28 2018-06-01 河南理工大学 A kind of motor of achievable straight line-rotation-screw
CN108631542A (en) * 2018-05-31 2018-10-09 中国石油大学(华东) A kind of cylinder type blocking transverse flux linear switched reluctance machines
CN109742874A (en) * 2018-12-29 2019-05-10 江苏大学 A kind of straight line rotation two-freedom flux switch permanent magnet motor

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110466302A (en) * 2019-07-08 2019-11-19 江苏大学 A kind of heavy vehicle linear rotating motor formula steering feed energy suspension
CN110466302B (en) * 2019-07-08 2022-11-18 江苏大学 Linear rotating motor type steering energy-feedback suspension for heavy vehicle
CN111555474A (en) * 2020-05-25 2020-08-18 安徽理工大学 Linear rotary drilling motor
CN111555474B (en) * 2020-05-25 2022-05-10 安徽理工大学 Linear rotary drilling motor
CN111786528A (en) * 2020-07-06 2020-10-16 湖南大学 Linear rotation voice coil motor
CN112234784A (en) * 2020-09-28 2021-01-15 湖南大学 Linear rotating motor for SMD picking and mounting
CN112234784B (en) * 2020-09-28 2021-07-30 湖南大学 Linear rotating motor for SMD picking and mounting
CN113489282A (en) * 2021-06-17 2021-10-08 江苏大学 Steering suspension integrated five-phase permanent magnet fault-tolerant actuator and two-phase open-circuit fault-tolerant direct torque control method thereof
CN113489282B (en) * 2021-06-17 2022-09-16 江苏大学 Steering suspension integrated five-phase permanent magnet fault-tolerant actuator and two-phase open-circuit fault-tolerant direct torque control method thereof
CN113315331A (en) * 2021-07-28 2021-08-27 深圳双十科技有限公司 Two-degree-of-freedom motor for Z axis and assembling method thereof
CN113315331B (en) * 2021-07-28 2021-10-26 深圳双十科技有限公司 Two-degree-of-freedom motor for Z axis and assembling method thereof

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