CN105471212A - Rotation linear permanent magnetism motor - Google Patents
Rotation linear permanent magnetism motor Download PDFInfo
- Publication number
- CN105471212A CN105471212A CN201410448886.6A CN201410448886A CN105471212A CN 105471212 A CN105471212 A CN 105471212A CN 201410448886 A CN201410448886 A CN 201410448886A CN 105471212 A CN105471212 A CN 105471212A
- Authority
- CN
- China
- Prior art keywords
- rotor
- permanent magnet
- armature winding
- rotational alignment
- stator
- 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.)
- Granted
Links
Landscapes
- Linear Motors (AREA)
Abstract
The invention provides a rotation linear permanent magnetism motor, comprising a stator, a rotor and a mechanical decoupling device. The stator and the rotor are arranged in a supporting base. The stator comprises a stator iron core, a rotation armature winding and a linear armature winding. The rotor comprises a rotor iron core and a rotor permanent magnet. The mechanical decoupling device comprises a rotation bearing, a sliding support and a sliding guide rail. The sliding support and a rotor internal shaft are connected through the rotation bearing. The sliding support is arranged on the slide guide rail. The sliding support moves relative to the sliding guide rail in axial direction of the rotor internal shaft. Within the scope of an axial length of the stator iron core, the rotor internal shaft, an air bearing, an annular lug of the supporting base, the rotor iron core, the rotor permanent magnet, the linear armature winding, the rotation armature winding and the stator iron core are sequentially arranged in the radial direction of the rotation linear permanent magnetism motor from inside to outside. The rotation linear permanent magnetism motor provided by the invention achieves multi-freedom motion of the single motor, and increases operating precision and efficiency of the motor.
Description
Technical field
The present invention relates to machine field, particularly relate to a kind of rotational alignment magneto.
Background technology
Traditional motor generally can only provide single dof mobility (rotary motion or rectilinear motion), and cannot realize the compound motion of rotation and rectilinear motion.But, in the middle of the systems such as joint of robot, industrial production, processing and assembling, often need to realize many free movements.Under normal circumstances, this multifreedom motion combines realization by the primary element that can perform straight line or rotary motion by mechanical splice, but there are following problems in this mode: first, because be mixed with mechanical organ in its functional part, its friction, wearing and tearing and distortion are all more serious; The second, rotary motion and rectilinear motion are couplings, can not independently control; 3rd, the precision of this actuator is subject to the restriction of machining; 4th, use multiple electric motors to control not only can increase the volume and weight of equipment, returning control makes troubles.And along with the development of science and technology, Mechatronic Systems is day by day complicated, especially some precision apparatus, such as bonder, bonding machines, PCB boring etc., they are more and more higher to the requirement of driveability, cannot meet their demand by mechanically combining the performances such as device control precision that rotary motion and linear motion unit realize and response time.
Chinese patent 201020582357.2 discloses a kind of high-frequency linear rotating motor, and the olinear motion part of this motor and rotary motion part are a voice coil motor and rotating servo motor respectively.This motor is installed together by two freedom motors in essence, and be not integral type straight line rotation two-freedom degree electric machine truly, volume is larger.PCT patent WO2008/096519A1 discloses a kind of rotational alignment motor, this kind of motor stator has double winding, rotating armature winding and straight line armature winding respectively, it is oblique chequer that rotor permanent magnet is launched into plane, permanent magnet polarity is identical polarity in rotation and axial rectilinear direction, contrary with direction, oblique angle polarity, but this structure permanent magnet is installed complicated.
Summary of the invention
In view of the present situation of prior art, the object of the present invention is to provide a kind of rotational alignment magneto, structure is simple, achieves the multifreedom motion of single motor, improves precision and the efficiency of motor running.For achieving the above object, technical scheme of the present invention is as follows:
A kind of rotational alignment magneto, comprises axle and air bearing in supporting seat, stator, rotor, mechanically decoupled device, rotor;
Described stator and described rotor are all placed in described supporting seat, and in described rotor, axle is assemblied on described supporting seat by described air bearing, and in described rotor, axle connects described rotor, axle and described rotor synchronous rotary in described rotor;
Described stator comprises stator core, rotating armature winding and straight line armature winding; Described rotor comprises rotor core and rotor permanent magnet; Described mechanically decoupled device comprises swivel bearing, sliding support and rail plate;
Described sliding support is connected by described swivel bearing with axle in described rotor, and described sliding support is arranged on described rail plate, and described sliding support can move on the axial direction of described rail plate axle in described rotor;
In described stator core axial length range, described rotational alignment magneto be followed successively by axle in described rotor, described air bearing, the annular projection portion of described supporting seat, described rotor core, described rotor permanent magnet, described straight line armature winding, described rotating armature winding and described stator core in the radial direction from inside to outside.
More preferably, the quantity of described rotor permanent magnet is multiple, and multiple described rotor permanent magnet is looped around all sides of described rotor core.
More preferably, described rotor permanent magnet is unipolarity permanent magnet, take air-gap surface as reference, and the polarity of multiple described permanent magnet surfaces is all N pole or is all S pole.
More preferably, described straight line armature winding is single-phase winding, and described rotating armature winding is three-phase or polyphase windings.
More preferably, described straight line armature winding is making toroidal coil;
Described rotating armature winding is concentratred winding, and is embedded in the groove of described stator core.
More preferably, described stator core is made up of permeability magnetic material;
Described rotor permanent magnet is Nd-Fe-B permanent magnet.
More preferably, the pole embrace of described rotor permanent magnet is 0.4-0.8.
The invention has the beneficial effects as follows:
Rotational alignment magneto of the present invention, mechanically decoupled device is set, by arranging the combination of rotating armature winding and straight line armature winding, under the effect in unipolarity permanent magnet excitation magnetic field, the moment driving rotor to rotate can be produced, also the linear thrust driving rotor rectilinear motion can be produced, the linear thrust of moment and the driving rotor rectilinear motion driving rotor to rotate can also be produced simultaneously and drive rotor helical-screw to move, achieve the multifreedom motion of rotor, and linear thrust and rotating torques influence each other less, can easily realize rotating, rectilinear motion uncoupling controls.This kind of structure not only solves the problems such as the efficiency that multifreedom motion mode that prior art relies on mechanical part conversion and multiple motor to realize brings is low, easy to wear, lubricating difficulties, can also greatly improve wholely to produce the precision and efficiency that operate.
Accompanying drawing explanation
Fig. 1 is rotational alignment magneto generalized section of the present invention;
Fig. 2 is rotational alignment magneto explosive view of the present invention;
Fig. 3 is the structural representation of rotational alignment permanent magnet machine rotor one execution mode of the present invention;
Fig. 4 is the structural representation of another execution mode of rotational alignment permanent magnet machine rotor of the present invention;
Fig. 5 is the stator structure schematic diagram of rotational alignment magneto of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, rotational alignment magneto of the present invention is further elaborated.Should be appreciated that specific embodiment described herein only for explaining the present invention, being not intended to limit the present invention.
Referring to figs. 1 through Fig. 5, the rotational alignment magneto of one embodiment of the invention, comprises axle 11 in rotor 1, air bearing 2, supporting seat 3, stator 4, mechanically decoupled device 9 and rotor.The main body of supporting seat 3 is circular recess, is provided with annular relief in circular recess, and form the accommodation space of annular between annular relief and the sidewall of cannelure, stator 4 and rotor 1 are all placed in the described accommodation space of supporting seat 3.In rotor, axle 11 is assemblied on supporting seat 3 by air bearing 2, and air bearing 2 is placed between the annular relief of axle 11 and supporting seat 3 in rotor.In rotor, axle 11 runs through the described annular relief of supporting seat 3, and in rotor, axle 11 is coaxial with described annular relief.In rotor, axle 11 also connects rotor 1, makes axle 11 and rotor 1 synchronous rotary in rotor.
Stator 4 comprises stator core 43, rotating armature winding 42 and straight line armature winding 41.Straight line armature winding 41 is making toroidal coil, and rotating armature winding 42 is concentratred winding, and is embedded in the groove of stator core 43.Stator core 43 is made up of permeability magnetic material.Rotor 1 comprises rotor core 12 and rotor permanent magnet 13.Rotor permanent magnet 13 is Nd-Fe-B permanent magnet, preferred high performance Nd-Fe-B permanent magnet.Wherein, the pole embrace of rotor permanent magnet 13 is preferably 0.4-0.8.
Mechanically decoupled device 9 comprises swivel bearing 91, sliding support 92 and rail plate 93.
In stator core 43 axial length range, rotational alignment magneto be followed successively by axle 11 in rotor, air bearing 2, the described annular projection portion of supporting seat 3, rotor core 12, rotor permanent magnet 13, straight line armature winding 41, rotating armature winding 42 and stator core 43 in the radial direction from inside to outside, stator core 43 is the main body wall (circular recess sidewall) of supporting seat 3 in the outside of radial direction.
Sliding support 92 is connected by swivel bearing 91 with axle in rotor 11, and namely swivel bearing 91 is embedded in sliding support 92, and swivel bearing 91 to be set in rotor on axle 11.And sliding support 92 is arranged on rail plate 93, sliding support 92 can the axial direction of relative sliding guide rail 93 axle 11 in rotor move.
The quantity of rotor permanent magnet 13 is multiple, and multiple rotor permanent magnet 13 is looped around all sides of rotor core 12.Rotor permanent magnet 13 is unipolarity permanent magnet, take air-gap surface as reference, and the polarity on multiple rotor permanent magnet 13 surface is all N pole or is all S pole, as shown in Figure 3 and Figure 4.Wherein Fig. 3 rotor iron core 12 is except magnetic conduction effect, also for fixed rotor permanent magnet 13.Adopt this kind of structure obviously can increase reluctance torque, improve exerting oneself of motor; Fig. 4 rotor permanent magnet 13 is regularly distributed on the outer surface of rotor core 12, is as good as with the mounted magneto in conventional face, and just permanent magnet surfaces polarity is identical, and this kind of construction rotor is unshakable in one's determination simple, and technique more easily realizes.
The rotational alignment magneto of above embodiment, straight line armature winding 41 is single-phase winding, and rotating armature winding 42 is three-phase or polyphase windings.
Rotational alignment magneto operation logic is as follows: when passing into three-phase symmetrical alternating current only to rotating armature winding 42, between the rotor permanent magnet 13 of unipolarity permanent magnet, form opposite polarity, make the excitation field of formation and rotating armature magnetic field interaction produce the moment driving rotor 1 to rotate; When passing into direct current only to straight line armature winding 41, under the effect of unipolarity permanent magnet, the radiation excitation field formed in air gap and straight line armature magnetic field interaction produce the motive force of straight line aspect, make rotor 1 axial motion; When passing into direct current and pass into three-phase symmetrical alternating current to rotating armature winding 42 to straight line armature winding 41 simultaneously, under the effect in unipolarity permanent magnet excitation magnetic field, the linear thrust produced and rotating torques drive rotor 1 screw, thus achieve the multiple degrees of freedom of single motor, and linear thrust and rotating torques influence each other less, easily can realize rotation, rectilinear motion uncoupling controls.
The rotational alignment magneto of above embodiment, mechanically decoupled device is set, by arranging the combination of rotating armature winding and straight line armature winding, under the effect in unipolarity permanent magnet excitation magnetic field, the moment driving rotor to rotate can be produced, also the linear thrust driving rotor rectilinear motion can be produced, the linear thrust of moment and the driving rotor rectilinear motion driving rotor to rotate can also be produced simultaneously and drive rotor helical-screw to move, achieve the multifreedom motion of rotor, and linear thrust and rotating torques influence each other less, can easily realize rotating, rectilinear motion uncoupling controls, this kind of structure not only solves the problems such as the efficiency that prior art relies on the multifreedom motion mode of mechanical part conversion and the realization of multiple motor to bring is low, easy to wear, lubricating difficulties, greatly can also improve whole precision and efficiency of producing running, meet the needs of different application occasion.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a rotational alignment magneto, is characterized in that:
Comprise axle and air bearing in supporting seat, stator, rotor, mechanically decoupled device, rotor;
Described stator and described rotor are all placed in described supporting seat, and in described rotor, axle is assemblied on described supporting seat by described air bearing, and in described rotor, axle connects described rotor, axle and described rotor synchronous rotary in described rotor;
Described stator comprises stator core, rotating armature winding and straight line armature winding; Described rotor comprises rotor core and rotor permanent magnet; Described mechanically decoupled device comprises swivel bearing, sliding support and rail plate;
Described sliding support is connected by described swivel bearing with axle in described rotor, and described sliding support is arranged on described rail plate, and described sliding support can move on the axial direction of described rail plate axle in described rotor;
In described stator core axial length range, described rotational alignment magneto be followed successively by axle in described rotor, described air bearing, the annular projection portion of described supporting seat, described rotor core, described rotor permanent magnet, described straight line armature winding, described rotating armature winding and described stator core in the radial direction from inside to outside.
2. rotational alignment magneto according to claim 1, is characterized in that:
The quantity of described rotor permanent magnet is multiple, and multiple described rotor permanent magnet is looped around all sides of described rotor core.
3. rotational alignment magneto according to claim 2, is characterized in that:
Described rotor permanent magnet is unipolarity permanent magnet, take air-gap surface as reference, and the polarity of multiple described permanent magnet surfaces is all N pole or is all S pole.
4. the rotational alignment magneto according to any one of claim 1-3, is characterized in that:
Described straight line armature winding is single-phase winding, and described rotating armature winding is three-phase or polyphase windings.
5. the rotational alignment magneto according to any one of claims 1 to 3, is characterized in that:
Described straight line armature winding is making toroidal coil; Described rotating armature winding is concentratred winding, and is embedded in the groove of described stator core.
6. rotational alignment magneto according to claim 5, is characterized in that:
Described straight line armature winding is single-phase winding, and described rotating armature winding is three-phase or polyphase windings.
7. the rotational alignment magneto according to any one of claim 1-3, is characterized in that:
Described stator core is made up of permeability magnetic material; Described rotor permanent magnet is Nd-Fe-B permanent magnet.
8. the rotational alignment magneto according to any one of claim 1-3, is characterized in that:
The pole embrace of described rotor permanent magnet is 0.4-0.8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410448886.6A CN105471212B (en) | 2014-09-04 | 2014-09-04 | A kind of rotational alignment magneto |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410448886.6A CN105471212B (en) | 2014-09-04 | 2014-09-04 | A kind of rotational alignment magneto |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105471212A true CN105471212A (en) | 2016-04-06 |
| CN105471212B CN105471212B (en) | 2018-07-06 |
Family
ID=55608629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410448886.6A Active CN105471212B (en) | 2014-09-04 | 2014-09-04 | A kind of rotational alignment magneto |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105471212B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107896020A (en) * | 2017-12-20 | 2018-04-10 | 宝龙电子集团有限公司 | A kind of drive motor |
| CN108736679A (en) * | 2017-04-20 | 2018-11-02 | 通用汽车环球科技运作有限责任公司 | Motor with continuous magnetic variation characteristic and its control method |
| CN108736675A (en) * | 2018-07-05 | 2018-11-02 | 中国科学院宁波材料技术与工程研究所 | A kind of moving-coil type unipolarity permanent magnet rotational alignment motor |
| CN111213307A (en) * | 2017-09-05 | 2020-05-29 | 靛蓝技术股份有限公司 | Permanent magnet motor with passively controlled variable rotor/stator alignment |
| CN112230145A (en) * | 2020-10-16 | 2021-01-15 | 中车永济电机有限公司 | Rotation test device for modular linear induction motor |
| CN112968559A (en) * | 2021-02-20 | 2021-06-15 | 上海隐冠半导体技术有限公司 | Magnetic suspension rotating device |
| CN114696559A (en) * | 2022-05-09 | 2022-07-01 | 德瑞精工（深圳）有限公司 | Linear rotation permanent magnet motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008096519A1 (en) * | 2007-02-08 | 2008-08-14 | Mitsubishi Electric Corporation | Rotary-linear motor |
| CN101552512A (en) * | 2008-12-19 | 2009-10-07 | 杨士平 | Screw motor |
| CN102843015A (en) * | 2012-09-06 | 2012-12-26 | 东南大学 | Linearly-rotating two-degrees-of-freedom magnetic levitation bearing-free permanent magnetic actuator |
| CN103475178A (en) * | 2013-09-30 | 2013-12-25 | 东南大学 | Linear rotation permanent magnet motor |
| CN204046380U (en) * | 2014-09-04 | 2014-12-24 | 中国科学院宁波材料技术与工程研究所 | A kind of rotational alignment magneto |
-
2014
- 2014-09-04 CN CN201410448886.6A patent/CN105471212B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008096519A1 (en) * | 2007-02-08 | 2008-08-14 | Mitsubishi Electric Corporation | Rotary-linear motor |
| CN101552512A (en) * | 2008-12-19 | 2009-10-07 | 杨士平 | Screw motor |
| CN102843015A (en) * | 2012-09-06 | 2012-12-26 | 东南大学 | Linearly-rotating two-degrees-of-freedom magnetic levitation bearing-free permanent magnetic actuator |
| CN103475178A (en) * | 2013-09-30 | 2013-12-25 | 东南大学 | Linear rotation permanent magnet motor |
| CN204046380U (en) * | 2014-09-04 | 2014-12-24 | 中国科学院宁波材料技术与工程研究所 | A kind of rotational alignment magneto |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736679A (en) * | 2017-04-20 | 2018-11-02 | 通用汽车环球科技运作有限责任公司 | Motor with continuous magnetic variation characteristic and its control method |
| CN111213307A (en) * | 2017-09-05 | 2020-05-29 | 靛蓝技术股份有限公司 | Permanent magnet motor with passively controlled variable rotor/stator alignment |
| CN111213307B (en) * | 2017-09-05 | 2022-09-09 | 靛蓝技术股份有限公司 | Permanent magnet motor with passively controlled variable rotor/stator alignment |
| CN107896020A (en) * | 2017-12-20 | 2018-04-10 | 宝龙电子集团有限公司 | A kind of drive motor |
| CN107896020B (en) * | 2017-12-20 | 2024-04-12 | 浙江宝龙机电有限公司 | Driving motor |
| CN108736675A (en) * | 2018-07-05 | 2018-11-02 | 中国科学院宁波材料技术与工程研究所 | A kind of moving-coil type unipolarity permanent magnet rotational alignment motor |
| CN108736675B (en) * | 2018-07-05 | 2023-11-14 | 中国科学院宁波材料技术与工程研究所 | Moving-coil type unipolar permanent magnet rotary linear motor |
| CN112230145A (en) * | 2020-10-16 | 2021-01-15 | 中车永济电机有限公司 | Rotation test device for modular linear induction motor |
| CN112230145B (en) * | 2020-10-16 | 2024-04-19 | 中车永济电机有限公司 | Modularized linear induction motor rotation test device |
| CN112968559A (en) * | 2021-02-20 | 2021-06-15 | 上海隐冠半导体技术有限公司 | Magnetic suspension rotating device |
| CN114696559A (en) * | 2022-05-09 | 2022-07-01 | 德瑞精工（深圳）有限公司 | Linear rotation permanent magnet motor |
| CN114696559B (en) * | 2022-05-09 | 2022-12-27 | 德瑞精工（深圳）有限公司 | Linear rotation permanent magnet motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105471212B (en) | 2018-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105471212A (en) | Rotation linear permanent magnetism motor | |
| CN102305242B (en) | Radial-axial three-degree-of-freedom alternating current-direct current hybrid magnetic bearing | |
| CN101369767B (en) | Underwater integrated electric motor thruster | |
| CN103683779B (en) | Stator permanent magnet biasing permanent magnet type non-bearing motor | |
| WO2019161624A1 (en) | Asymmetric dual three-phase arc permanent magnet synchronous motor | |
| CN102843015A (en) | Linearly-rotating two-degrees-of-freedom magnetic levitation bearing-free permanent magnetic actuator | |
| CN102868271B (en) | Double-stator rotating linear motor | |
| CN108512380B (en) | Annular winding double-rotor permanent magnet synchronous motor with electromagnetic linkage device | |
| CN103986301B (en) | High-dynamic moving-magnetic type linear rotation integrated two-degree-of-freedom motor | |
| CN102570754A (en) | Permanent-magnet cursor motor for realizing low speed and high torque | |
| CN104953779A (en) | Magnetic gear low-speed large-torque motor | |
| CN104682642B (en) | A kind of two-freedom motor | |
| CN103280939B (en) | A kind of Double-stator linear rotation Hal Bach permanent magnetic actuator | |
| CN204046380U (en) | A kind of rotational alignment magneto | |
| CN105553148A (en) | Rotation shaft deflection type permanent magnet power generator | |
| CN208369436U (en) | A kind of moving-coil type unipolarity permanent magnet rotational alignment motor | |
| US20150108856A1 (en) | Rotating electric machine | |
| CN109586433B (en) | Modularized rotary linear flux switching permanent magnet motor | |
| CN202405975U (en) | Permanent magnet vernier motor for low-speed large torque | |
| JP2016524448A (en) | Reduction of bearing force in electric machines | |
| CN204696889U (en) | Magnetic gear low-speed large-torque motor | |
| CN204597741U (en) | A kind of two-freedom motor | |
| CN108736675B (en) | Moving-coil type unipolar permanent magnet rotary linear motor | |
| CN108809021B (en) | Double-sheet five-degree-of-freedom bearingless switched reluctance motor | |
| JP2015528276A (en) | Actuator consisting of two magnetic bearing motors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |