CN103178686A - Linear motor - Google Patents
Linear motor Download PDFInfo
- Publication number
- CN103178686A CN103178686A CN2013100559143A CN201310055914A CN103178686A CN 103178686 A CN103178686 A CN 103178686A CN 2013100559143 A CN2013100559143 A CN 2013100559143A CN 201310055914 A CN201310055914 A CN 201310055914A CN 103178686 A CN103178686 A CN 103178686A
- Authority
- CN
- China
- Prior art keywords
- magnetic core
- electric motors
- linear electric
- stator
- coil
- 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
Images
Abstract
The invention discloses a linear motor which comprises a stator and a rotor. The stator comprises a magnetic yoke and permanent magnets arranged on the magnetic yoke at intervals, the rotor is arranged oppositely to the stator and comprises a magnetic core and a coil, the magnetic core is in the shape of a slotless block, and the coil is wound into a tabular shape to be attached on a face, facing the stator, of the magnetic core and to be bent, extended and attached towards two side faces adjacent with the magnetic core and the face facing the stator. The linear motor has the advantages that own functions of the motor can still be completed by the placement mode of the coil, and the magnetic core is slotless, so that the linear motor can effectively avoid generation of magnetic resistance to enable the motor to be stable in output and free of fluctuation.
Description
Technical field
The present invention relates to linear electric motors, particularly relate to a kind of motive force linear electric motors stably.
Background technology
Linear electric motors are a kind of electric energy to be directly changed into rectilinear motion mechanical energy, and without any need for the transmission device of intermediate conversion mechanism.Please refer to Fig. 1, linear electric motors can be regarded electric rotating machine as by radially cutting open, and the generate plane forms.Linear electric motors and electric rotating machine all comprise stator (also crying elementary) 1 and mover (also crying secondary) 2.In linear electric motors, if logical many phase alternating current in armature winding just produce a translation alternating magnetic field, is called travelling-magnetic-field.Produce actuating force under the effect of travelling-magnetic-field and permanent magnet (being located on stator), thereby realize the rectilinear motion of moving component.
As shown in Figure 2, be the axial section schematic diagram of the mover of linear electric motors.Mover comprises iron core 21 and the coil 22 that is wrapped on iron core 21, and its coil 22 is placed in the teeth groove 23 that is opened on iron core 21.Mover with cored 21 can provide larger motive force in the linear electric motors running.Yet the reluctance force meeting of its existence causes the fluctuation of thrust, and steady and accurate thrust sometimes can not be provided.
Summary of the invention
Based on this, be necessary to provide a kind of linear electric motors that steady thrust can be provided.
A kind of linear electric motors comprise: stator comprises yoke and the spaced permanent magnet of being located on described yoke; Mover is oppositely arranged with described stator, comprises magnetic core and coil; Described magnetic core is the bulk of slotless, and described coil winding becomes flat to be attached to described core plan to the one side of described stator, and extends and attach with two the adjacent sides bendings towards the one side of described stator on the described magnetic core.
In embodiment, described mover also comprises is located at the described magnetic core heat-sink unit of the one side of described stator dorsad therein.
Therein in embodiment, described heat-sink unit also is located on described magnetic core and two adjacent sides of the one side of described stator dorsad.
In embodiment, described mover also comprises shell therein, and described heat-sink unit, magnetic core and coil fit tightly and are contained in the cavity of described shell.
In embodiment, described heat-sink unit is compact arranged radiating tube therein.
In embodiment, described radiating tube is copper pipe or aluminum pipe therein.
In embodiment, inject liquid cooling medium in described radiating tube therein.
In embodiment, described shell is aluminium alloy or stainless steel material therein, and cross section is U-shaped structure, and the opening surface of described shell is to described stator, and described enclosure adopts epoxy resin encapsulated.
In embodiment, be provided with insulating barrier between described magnetic core and coil therein.
In embodiment, described magnetic core is by the superimposed rectangular structure that forms of silicon steel sheet therein.
Above-mentioned linear electric motors, the modes of emplacement of coil still can make motor complete function own, and because magnetic core does not have teeth groove, linear electric motors can effectively be avoided the generation of reluctance force, make the motor steady ripple disable of exerting oneself.
Description of drawings
Fig. 1 is structure of the linear motion actuator and schematic diagram;
Fig. 2 is the axial cutaway view of mover of traditional linear electric motors;
Fig. 3 is the linear electric motors stereogram of an embodiment;
Fig. 4 is the front view of Fig. 3 cathetus motor;
Fig. 5 is the end view of Fig. 3 cathetus motor;
Fig. 6 is the structural representation of Fig. 3 coil.
Embodiment
Fig. 3 is the linear electric motors stereogram of an embodiment, and Fig. 4 is the front view of Fig. 3 cathetus motor, and Fig. 5 is the end view of Fig. 3 cathetus motor.With reference to figure 3 ~ Fig. 6, these linear electric motors comprise stator 100 and the mover 200 that is oppositely arranged with stator 100.
Mover 200 comprises magnetic core 210, coil 220, insulating barrier 230, heat-sink unit 240 and shell 250.Magnetic core 210, coil 220, insulating barrier 230 and heat-sink unit 240 closely attach and are contained in shell 250.
Insulating barrier 230 is arranged between magnetic core 210 and coil 220.Insulating barrier 230 is the good base material of thermal conductivity.
Heat-sink unit 240 is located at magnetic core 210 one side of stator 100 dorsad.In the present embodiment, heat-sink unit 240 also is located on magnetic core 210 and two adjacent sides of the one side of stator 100 dorsad.
Heat-sink unit 240 is compact arranged radiating tube, and radiating tube is preferably copper pipe or aluminum pipe.In other embodiments, can also select the good material of other thermal conductivity.For further improving radiating effect, can also inject liquid cooling medium in described radiating tube, for example water or wet goods.
Shell 250 is aluminium alloy or stainless steel equal strength material preferably.The cross section of shell 250 is U-shaped structure, and its opening surface is to stator 100.Shell 250 is inner adopts epoxy resin encapsulateds with fixedly heat-sink unit 240 and magnetic core 210 etc.Because the conductive coefficient of epoxy resin is lower, heat radiation is not easy, and the temperature of motor is raise, and temperature distributing disproportionation is even, causes mover to be out of shape even burn-down of electric motor, and the heat-sink unit 240 that increases can dispel the heat effectively.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.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 (10)
1. linear electric motors comprise:
Stator comprises yoke and the spaced permanent magnet of being located on described yoke;
Mover is oppositely arranged with described stator, comprises magnetic core and coil;
It is characterized in that, described magnetic core is the bulk of slotless, and described coil winding becomes flat to be attached to described core plan to the one side of described stator, and extends and attach with two the adjacent sides bendings towards the one side of described stator on the described magnetic core.
2. linear electric motors according to claim 1, is characterized in that, described mover also comprises is located at the described magnetic core heat-sink unit of the one side of described stator dorsad.
3. linear electric motors according to claim 2, is characterized in that, described heat-sink unit also is located on described magnetic core and two adjacent sides of the one side of described stator dorsad.
4. linear electric motors according to claim 2, is characterized in that, described mover also comprises shell, and described heat-sink unit, magnetic core and coil fit tightly and are contained in the cavity of described shell.
5. the described linear electric motors of according to claim 2 to 4 any one, is characterized in that, described heat-sink unit is compact arranged radiating tube.
6. linear electric motors according to claim 5, is characterized in that, described radiating tube is copper pipe or aluminum pipe.
7. linear electric motors according to claim 5, is characterized in that, injects liquid cooling medium in described radiating tube.
8. linear electric motors according to claim 4, is characterized in that, described shell is aluminium alloy or stainless steel material, and cross section is U-shaped structure, and the opening surface of described shell is to described stator, and described enclosure adopts epoxy resin encapsulated.
9. linear electric motors according to claim 1, is characterized in that, is provided with insulating barrier between described magnetic core and coil.
10. linear electric motors according to claim 1, is characterized in that, described magnetic core is by the superimposed rectangular structure that forms of silicon steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310055914.3A CN103178686B (en) | 2013-02-21 | 2013-02-21 | Linear electric motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310055914.3A CN103178686B (en) | 2013-02-21 | 2013-02-21 | Linear electric motors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103178686A true CN103178686A (en) | 2013-06-26 |
| CN103178686B CN103178686B (en) | 2017-03-15 |
Family
ID=48638347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310055914.3A Active CN103178686B (en) | 2013-02-21 | 2013-02-21 | Linear electric motors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103178686B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233667A (en) * | 2016-12-21 | 2018-06-29 | 发那科株式会社 | Linear motor, linear motor armature and its manufacturing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6300691B1 (en) * | 1999-08-13 | 2001-10-09 | Mirae Corporation | Linear motor with an improved cooling structure |
| US20010035686A1 (en) * | 2000-04-07 | 2001-11-01 | Hwang Ji Hyun | Linear motor |
| CN1761130A (en) * | 2004-10-11 | 2006-04-19 | 中国科学院电工研究所 | A kind of permanent magnet synchronous motor |
| CN201656737U (en) * | 2010-03-06 | 2010-11-24 | 王敕 | Iron core type linear motor |
-
2013
- 2013-02-21 CN CN201310055914.3A patent/CN103178686B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6300691B1 (en) * | 1999-08-13 | 2001-10-09 | Mirae Corporation | Linear motor with an improved cooling structure |
| US20010035686A1 (en) * | 2000-04-07 | 2001-11-01 | Hwang Ji Hyun | Linear motor |
| CN1761130A (en) * | 2004-10-11 | 2006-04-19 | 中国科学院电工研究所 | A kind of permanent magnet synchronous motor |
| CN201656737U (en) * | 2010-03-06 | 2010-11-24 | 王敕 | Iron core type linear motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233667A (en) * | 2016-12-21 | 2018-06-29 | 发那科株式会社 | Linear motor, linear motor armature and its manufacturing method |
| CN108233667B (en) * | 2016-12-21 | 2019-09-24 | 发那科株式会社 | Linear motor, linear motor armature and its manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103178686B (en) | 2017-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wang et al. | Design optimisation and comparison of tubular permanent magnet machine topologies | |
| JP6215913B2 (en) | Multi-phase permanent magnet motor with adjustable leakage inductance | |
| Jia et al. | Study of direct-drive permanent-magnet synchronous generators with solid rotor back iron and different windings | |
| CN104967276A (en) | Liquid-cooling iron-coreless permanent-magnet linear motor | |
| Pan et al. | Design and analysis of a novel transverse-flux tubular linear machine with gear-shaped teeth structure | |
| US7928616B2 (en) | Systems and apparatus involving toothed armatures in superconducting machines | |
| Wu et al. | Investigation of an addtively-manufactured modular permanent magnet machine for high specific power design | |
| Pechlivanidou et al. | Litz wire strand shape impact analysis on AC losses of high-speed permanent magnet synchronous motors | |
| CN101938208A (en) | Axial linear motor | |
| Liang et al. | A high torque density outer rotor claw pole stator permanent magnet synchronous motor | |
| Wu et al. | Stator design for a 1000 kW HTSC motor with air-gap winding | |
| Borisavljevic et al. | Toroidally-wound permanent magnet machines in high-speed applications | |
| Luo et al. | Analysis and design of ironless toroidal winding of tubular linear voice coil motor for minimum copper loss | |
| CN101282050B (en) | Non-groove stator of evaporative cooling motor | |
| CN102290886B (en) | Generator, especially for the generator of wind turbine | |
| CN110112844B (en) | Doubly salient permanent magnet motor | |
| CN103532346A (en) | Air-gap armature motor | |
| CN103384097A (en) | Permanent magnet motor and method for manufacturing same | |
| CN103178686A (en) | Linear motor | |
| Abdalla et al. | Optimal design of a single-slotted permanent-magnet linear generator for wave energy conversion | |
| Lindner et al. | Simulation of a toroidal wound flux-switching permanent magnet machine | |
| JP2013223370A (en) | Synchronous rotary machine | |
| Bingyi et al. | Research of multipolar permanent magnet synchronous submersible motor for screw pump | |
| EP2680415A1 (en) | Rare-earth permanent magnetic coreless power generator set | |
| Bianchi et al. | Tubular linear motors: A comparison of brushless PM and SR 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 | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Dazu laser Building No. 9 Nanshan District high tech Park North new road Shenzhen city Guangdong province 518055 Applicant after: HANS LASER TECHNOLOGY INDUSTRY GROUP CO., LTD. Applicant after: Shenzhen Hans Electric Motor Co., Ltd. Address before: 518000 Shenzhen Province, Nanshan District high tech park, North West New Road, No. 9 Applicant before: Dazu Laser Sci. & Tech. Co., Ltd., Shenzhen Applicant before: Shenzhen Hans Electric Motor Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: DAZU LASER SCI. + TECH. CO., LTD., SHENZHEN TO: HAN'S LASER TECHNOLOGY INDUSTRY GROUP CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |