CN102891585A - Single-side moving magnet linear motor - Google Patents
Single-side moving magnet linear motor Download PDFInfo
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- CN102891585A CN102891585A CN2012103994518A CN201210399451A CN102891585A CN 102891585 A CN102891585 A CN 102891585A CN 2012103994518 A CN2012103994518 A CN 2012103994518A CN 201210399451 A CN201210399451 A CN 201210399451A CN 102891585 A CN102891585 A CN 102891585A
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- linear motor
- slide block
- magnet linear
- shaped slide
- track
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Abstract
The invention discloses a single-side moving magnet linear motor comprising a stator and a rotor moving relatively to the stator, wherein the stator comprises a single-row track composed of a plurality of linearly arranged coil modules; the rotor comprises a U-shaped sliding block sleeved on the track and moving along the track; and the two sides of the U-shaped sliding block are symmetrically provided with magnetic drying sheets with crossed N poles and S poles. The movable U-shaped moving magnet sliding block fixed on the single-row stator coil track is used as the rotor, so that materials for magnetic drying sheets are saved; common cables can be used for supplying power; power consumption is saved; the risk that foreign matters are absorbed in the magnetic track is reduced; and the motor has the characteristics of low cost, simple structure and broad market application prospect.
Description
Technical field
The present invention relates to a kind of motor, relate in particular to a kind of single side type linear motor of track relative stator motion.。
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, ining contrast to traditional screw mandrel drives, it has simple in structure, contactless, without wearing and tearing, noise is low, speed is fast, the precision advantages of higher, nowadays linear electric motors have been applied to every field, at industrial automation, for the production of the line pipeline, and various laterally or in the plant equipment that moves both vertically, at the magnetic head drive of precision instrument and equipment such as computer, Medical Instruments, the space flight and aviation instrument, all well used in the military weapon.Existing linear electric motors, a kind of is that double track is fixed, the mover coil motion, another kind is that coil is fixed, single track motion.The former is at shortcoming: the track material price is high, and long track area is large, easy aspirated foreign body, and its risk is high, and the high-speed mobile of motor requires very high to cable performance, and it is expensive; Latter's shortcoming is: the consumptive material of coil is many, and cost is large, and its when making complicated, work heating high, increase cooling structure, thereby need to increase the expense that cooling produces.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem that invention will solve is the defects for prior art, provide a kind of simple in structure, cost is low, make simple single side type moving-magnet linear motor.
The technical scheme that technical solution problem of the present invention adopts is as follows:
A kind of single side type moving-magnet linear motor, comprise stator, with respect to the mover of stator movement, wherein, described stator comprises by what several linearly aligned coil modules formed and is single track, described mover comprises that one is nested on the described track and can along the U-shaped slide block of described rail moving, be symmetrically arranged with the extremely staggered magnetic dry plate of the N utmost point, S on the dual-side of described U-shaped slide block.
Described magnetic dry plate is crisscross arranged on the track plates on the inboard both sides of described U-shaped slide block.
Described U-shaped slide block comprises be used to the biside plate that carries described magnetic dry plate, is arranged on the space bar that described biside plate top is used for fixing described biside plate.
Described magnetic dry plate is crisscross arranged inboard at the biside plate of described U-shaped slide block.
Inboard at the space bar of described U-shaped slide block is provided with the permanent magnetism sheet.
Be provided with three phase windings in the described coil module, the connection triangular in shape of described three phase windings.
Be provided with position transducer at described U-shaped slide block.
Described biside plate is low carbon steel plate.
Single side type moving-magnet linear motor provided by the present invention, owing to being provided with movably U-shaped slide block at fixing single stator coil track, saved the material of using of magnetic dry plate, available common cable power supply, save power consumption, also reduced the risk of track aspirated foreign body, and cost is low, simple in structure, has wide market prospects.
Description of drawings
Fig. 1 is the schematic perspective view among the embodiment of single side type moving-magnet linear motor of the present invention.
Fig. 2 is schematic top plan view among the embodiment of single side type moving-magnet linear motor of the present invention.
Fig. 3 is that the U-shaped slide block biside plate permanent magnetic material in the single side type moving-magnet linear motor of the present invention is arranged schematic diagram.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, clear and definite, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
A kind of single side type moving-magnet linear motor that the embodiment of the invention provides, as depicted in figs. 1 and 2, comprise 10 stators, mover 20 with respect to stator movement, wherein, described stator comprises by what several linearly aligned coil modules formed and is single track, rail section be useful on the groove of plugging into and with the fixed leg of groove fit, can lengthen at any time the length of track, increase the flexibility ratio that linear electric motors are regulated, described track bottom is provided with auxiliary guide rail 30, the auxiliary guide rail bottom is provided with the holder 40 for fixing described track, and, be symmetrically arranged with the N utmost point on the dual-side of described U-shaped slide block, the magnetic dry plate that S is extremely staggered is such as Haier's Bake permanent magnetic material, Nd-Fe-Bo permanent magnet material, the magnetic dry plate that rare earth permanent-magnetic material is made etc., the polarity of adjacent permanent magnetic material is opposite, as shown in Figure 3.
Concrete, described magnetic dry plate is crisscross arranged on the track plates on the inboard both sides of described U-shaped slide block, described U-shaped slide block comprises be used to the biside plate 201 that carries described permanent magnetic material, be arranged on the space bar 202 that described biside plate 201 tops are used for fixing described biside plate 201, the outward flange of space bar aligns with the outer surface of described biside plate, concrete, described space bar 202 is made for low-carbon steel material, and permanent magnetic material forms magnetic field in the air gap of 201 of biside plates.
Concrete, described magnetic dry plate is crisscross arranged in biside plate 201 inboards of described U-shaped slide block.
Inboard at the space bar 202 of described U-shaped slide block is provided with the permanent magnetism sheet.
Concrete, described coil module comprises three phase windings and for the thermosetting resin shell of fixing described three phase windings, each three phase winding is by the triangle method of attachment.Preferably, described three phase windings are arranged in the housing that nonmagnetic substance with elongated slot makes, described three phase windings and housing consist of with the epoxide resin vacuum perfusion, the coil module overall volume is little, lightweight and intensity is high, without eddy current loss, electromagnetic attraction between the ripple thrust that does not cause because of teeth groove and moving, stator, its precision is high, can bear at a high speed, high acceleration.
Concrete, described single side type moving-magnet linear motor also is provided with for the electric supply installation of powering to described three phase windings with for the control system of controlling its operation, produce induced field after the energising of three phase windings, it repels mutually with the magnetic field that permanent magnetic material on the U-shaped slide block produces, so that the U-shaped slide block is in suspended state, by the setting to electric supply installation and control system, allow the regular variation of electric current in three phase windings, the travelling-magnetic-field of its generation so that the U-shaped slide block constantly move forward, adjust again electric supply installation and control system, so that the U-shaped slide block can carry out linear reciprocating motion along track.
Described U-shaped slide block is provided with position transducer, such as rectilinear transducer, photoelectric sensor, Hall element etc., as as described in the diverse location of U-shaped slide block a plurality of grating displacement sensors commonly used are installed, its operation principle is prior art, repeat no more, it can monitor the information such as speed, location parameter of mover.
Preferably, described biside plate is low carbon steel plate, and its magnetostriction is extremely low, and magnetic permeability is high, is conducive to useful flux is set up in the magnetic field polymerization.
Each parts has the multiple hole of matching and using, and is for convenience detach, install and safeguard.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (8)
1. single side type moving-magnet linear motor, comprise stator, with respect to the mover of stator movement, it is characterized in that, described stator comprises by what several linearly aligned coil modules formed and is single track, described mover comprises that one is nested on the described track and can along the U-shaped slide block of described rail moving, be symmetrically arranged with the extremely staggered magnetic dry plate of the N utmost point, S on the dual-side of described U-shaped slide block.
2. single side type moving-magnet linear motor according to claim 1 is characterized in that, described magnetic dry plate is crisscross arranged on the track plates on the inboard both sides of described U-shaped slide block.
3. single side type moving-magnet linear motor according to claim 2 is characterized in that, described U-shaped slide block comprises be used to the biside plate that carries described magnetic dry plate, is arranged on the space bar that described biside plate top is used for fixing described biside plate.
4. single side type moving-magnet linear motor according to claim 3 is characterized in that, described magnetic dry plate is crisscross arranged inboard at the biside plate of described U-shaped slide block.
5. single side type moving-magnet linear motor according to claim 3 is characterized in that, is provided with the permanent magnetism sheet in the inboard of the space bar of described U-shaped slide block.
6. single side type moving-magnet linear motor according to claim 1 is characterized in that, is provided with three phase windings in the described coil module, the connection triangular in shape of described three phase windings.
7. single side type moving-magnet linear motor according to claim 1 is characterized in that, is provided with position transducer at described U-shaped slide block.
8. single side type moving-magnet linear motor according to claim 3 is characterized in that, described biside plate is low carbon steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210399451.8A CN102891585B (en) | 2012-10-19 | 2012-10-19 | Single-side moving magnet linear motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210399451.8A CN102891585B (en) | 2012-10-19 | 2012-10-19 | Single-side moving magnet linear motor |
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| CN102891585A true CN102891585A (en) | 2013-01-23 |
| CN102891585B CN102891585B (en) | 2015-03-11 |
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| CN201210399451.8A Active CN102891585B (en) | 2012-10-19 | 2012-10-19 | Single-side moving magnet linear motor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600952A (en) * | 2015-02-10 | 2015-05-06 | 浙江理工大学 | Linear motor stator rail |
| CN105643271A (en) * | 2016-02-26 | 2016-06-08 | 东莞市速美达自动化有限公司 | Linear sliding block type cyclic conveying production line |
| CN105666480A (en) * | 2016-02-26 | 2016-06-15 | 东莞市速美达自动化有限公司 | Linear sliding block type rotary robot |
| CN109323646A (en) * | 2018-11-13 | 2019-02-12 | 阿斯科纳科技（深圳）有限公司 | A kind of position sensor system applied to linear motor vector controlled |
| CN110662708A (en) * | 2017-06-19 | 2020-01-07 | 莱特拉姆有限责任公司 | Single-rail pallet conveyor |
| CN112436711A (en) * | 2020-11-12 | 2021-03-02 | 复旦大学 | Displacement device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5072144A (en) * | 1989-07-15 | 1991-12-10 | Matsushita Electric Works, Ltd. | Moving-coil linear motor |
| CN200953528Y (en) * | 2005-12-15 | 2007-09-26 | 湖南天安门业科技有限公司 | Magnetic suspension type linear motor structure |
| CN201985715U (en) * | 2011-03-31 | 2011-09-21 | 中烟机械技术中心有限责任公司 | Permanent magnet linear motor |
| CN102255472A (en) * | 2011-07-29 | 2011-11-23 | 哈尔滨工业大学 | Permanent magnet linear synchronous motor with aerostatic slideways |
| CN202818064U (en) * | 2012-10-19 | 2013-03-20 | 深圳德康威尔科技有限公司 | Single lateral moving-magnet linear motor |
-
2012
- 2012-10-19 CN CN201210399451.8A patent/CN102891585B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5072144A (en) * | 1989-07-15 | 1991-12-10 | Matsushita Electric Works, Ltd. | Moving-coil linear motor |
| CN200953528Y (en) * | 2005-12-15 | 2007-09-26 | 湖南天安门业科技有限公司 | Magnetic suspension type linear motor structure |
| CN201985715U (en) * | 2011-03-31 | 2011-09-21 | 中烟机械技术中心有限责任公司 | Permanent magnet linear motor |
| CN102255472A (en) * | 2011-07-29 | 2011-11-23 | 哈尔滨工业大学 | Permanent magnet linear synchronous motor with aerostatic slideways |
| CN202818064U (en) * | 2012-10-19 | 2013-03-20 | 深圳德康威尔科技有限公司 | Single lateral moving-magnet linear motor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600952A (en) * | 2015-02-10 | 2015-05-06 | 浙江理工大学 | Linear motor stator rail |
| CN105643271A (en) * | 2016-02-26 | 2016-06-08 | 东莞市速美达自动化有限公司 | Linear sliding block type cyclic conveying production line |
| CN105666480A (en) * | 2016-02-26 | 2016-06-15 | 东莞市速美达自动化有限公司 | Linear sliding block type rotary robot |
| CN110662708A (en) * | 2017-06-19 | 2020-01-07 | 莱特拉姆有限责任公司 | Single-rail pallet conveyor |
| CN109323646A (en) * | 2018-11-13 | 2019-02-12 | 阿斯科纳科技（深圳）有限公司 | A kind of position sensor system applied to linear motor vector controlled |
| CN112436711A (en) * | 2020-11-12 | 2021-03-02 | 复旦大学 | Displacement device |
| CN112436711B (en) * | 2020-11-12 | 2022-03-11 | 复旦大学 | Displacement device |
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| Publication number | Publication date |
|---|---|
| CN102891585B (en) | 2015-03-11 |
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