CN104333193A - Moving magnetic type linear motor with refrigeration - Google Patents
Moving magnetic type linear motor with refrigeration Download PDFInfo
- Publication number
- CN104333193A CN104333193A CN201410510156.4A CN201410510156A CN104333193A CN 104333193 A CN104333193 A CN 104333193A CN 201410510156 A CN201410510156 A CN 201410510156A CN 104333193 A CN104333193 A CN 104333193A
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- iron core
- mover
- shell
- groove
- electric motors
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Abstract
The invention relates to a moving magnetic type linear motor with refrigeration. The moving magnetic type linear motor comprises a rotor, a stator and a shell. The rotor comprises a magnet yoke and permanent magnets which are symmetrically distributed at the upper and lower sides of the magnet yoke. The stator comprises two sets of identical units which are symmetrically distributed at the upper and lower sides of the rotor. The stator unit comprises an iron core, a coil and a heat-radiating device. The shell is provided with an opening arranged at one end of the moving direction of the rotor. One end of the rotor stretches out of the opening of the shell. The opening of the shell is externally provided with a moving platform which is fixedly connected with one end, which is arranged outside the shell, of the rotor. The linear motor is a DC motor. The scheme of moving magnets and bilateral plates is adopted. The moving part has no cable or drag chain, and the iron core has no tooth slot so that the linear motor has greater push force and higher moving frequency, and is simple and compact in structure, rapid in response speed, high in precision, small in size and light in weight. Besides, the linear motor is provided with the heat-radiating device so that the refrigeration effect is great, reliability is high and the service life of the linear motor can be prolonged.
Description
Technical field
The invention belongs to technical field of motors, be specifically related to a kind of moving-magnetic type linear motor with cooling.
Background technology
Single-phase DC linear electric motors have fast response time, and precision is high, and volume is little, lightweight, can realize the features such as high-frequency high-speed motion, be widely used in precise control system.But its thrust is less, poor reliability in high frequency motion.More distinct issues are, the temperature rise of DYN dynamic single-phase DC linear electric motors, and temperature distributing disproportionation, can cause the distortion of mover even the burning out of motor, have a strong impact on performance and the life-span of motor.
Summary of the invention
The object of the embodiment of the present invention is for above-mentioned the deficiencies in the prior art, provides the New Type Linear Motor that a kind of thrust is large, good heat dissipation, reliability are high.
The technical scheme of the embodiment of the present invention is such:
The moving-magnetic type linear motor of band cooling, comprise mover, stator and shell, described mover and stator are arranged on described enclosure; Described mover comprises one piece of yoke and multiple permanent magnet, and described permanent magnet is symmetrically distributed in the both sides up and down of described yoke; Described stator comprises two groups of identical unit, is symmetrically distributed in the both sides up and down of described mover; The unit of described stator comprises iron core, coil and heat abstractor; Described coil one side is close to described iron core, and another side towards described permanent magnet, and leaves air gap between described permanent magnet; Described coil access direct current, produces magnetic field, promotes mover and carry out rectilinear motion; Described heat abstractor is arranged on described iron core, relative with described coil; Described shell is provided with opening in one end of the described mover direction of motion, and one end of described mover stretches out in outside described shell aperture; Described shell aperture be outside equipped with motion platform, one end that described motion platform is positioned at outside shell with described mover is fixedly connected with.
Further illustrate, described motion platform comprises supporting seat, guide rail and slide unit; Described guide rail is arranged on described supporting seat, and its bearing of trend is consistent with the described mover direction of motion; Described slide unit is arranged on described guide rail, and one end that one end and the described mover of described slide unit are positioned at outside shell is fixedly connected with.
Further illustrate, described shell comprises base and upper cover, described base and upper cover are equipped with square groove, the opening of described square groove is towards described mover, each square groove holds the unit of stator described in a group, described coil, iron core and heat abstractor are positioned at described square groove from outside to inside successively, and next is fixedly connected with for described base and upper cover one.
Further illustrate, the one side of described iron core described coil is dorsad provided with groove; Described heat abstractor is radiating tube, and described radiating tube is embedded in groove, with described iron core close contact; The two ends of described radiating tube are respectively the entrance and exit of coolant.
Further illustrate, described groove is the canal shape structure that multiple tracks is parallel to each other, and runs through the relative both sides of described iron core; The opening direction of described groove is mutually vertical with the direction of motion of described mover; Described radiating tube penetrates from one end of described groove, and the other end passes, and is distributed on described iron core in waveform bending back and forth.
Further illustrate, described groove is the corrugated canal shape structure bent back and forth, and the side that described iron core is run through at its two ends forms two openings; Described radiating tube penetrates from an opening of groove, and another opening passes, and its shape is agreed with mutually with groove.
Further illustrate, the number of described coil and permanent magnet, size and position are corresponding.
Further illustrate, be provided with insulating barrier between described iron core and coil, described insulating barrier is the good insulating material of heat conduction.
Further illustrate, described iron core is the rectangular structure be formed by stacking by silicon steel sheet.
Further illustrate, the permanent magnet being positioned at described yoke phase the same side is that N pole and S pole alternate intervals arrange; Described yoke is contrary relative to the magnetic pole of the permanent magnet of both sides.
The beneficial effect that New Type Linear Motor provided by the present invention brings is: these linear electric motors are direct current machine, has fast response time and the high feature of precision, can realize high-frequency high-speed motion; It adopts moving magnet structure, and motion parts does not have cable and drag chain, and structure is simple, lighter in weight, can obtain larger acceleration; Stator pack substantially increases thrust and the motion frequency of linear electric motors containing the bilateral flat-plat type scheme that two groups of same units one react on mover; Iron core does not have teeth groove, and linear electric motors are exerted oneself steady ripple disable; Two groups of unit of stator by epoxy resin respectively with base and upper cover embedding as a whole, improve the reliability of linear electric motors; Heat abstractor circulating by coolant, takes away the heat of linear electric motors, ensures the stable of motor performance, extends the life-span of motor.
Accompanying drawing explanation
Fig. 1 is the structural representation of mover in the embodiment of the present invention;
Fig. 2 is the structural representation of stator one group of unit in the embodiment of the present invention;
Fig. 3 is the scheme of installation of iron core in the embodiment of the present invention, heat abstractor and base;
Fig. 4 is the scheme of installation of base in the embodiment of the present invention, stator one group of unit and mover;
Fig. 5 is the structural representation of the moving-magnetic type linear motor of band cooling provided by 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, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention provides a kind of moving-magnetic type linear motor with cooling, comprises mover, stator and shell, and mover and stator are arranged on enclosure, and is the structure of short stator, long mover.
As shown in Figure 1, mover comprises yoke 1 and multiple permanent magnet 2, and permanent magnet 2 is symmetrically distributed in the both sides up and down of yoke 1.Specifically, the permanent magnet 2 being positioned at yoke 1 phase the same side arranges for N pole and S pole alternate intervals; The magnetic pole of the permanent magnet 2 of the relative both sides of yoke 1 is contrary.
In the present embodiment, be parallel to each other between two adjacent permanent magnets 2, the long side direction of permanent magnet 2 is mutually vertical with its direction of motion.Permanent magnet 2 is bonded in yoke 1 by super glue.
In the present embodiment, yoke is the material that magnetic property is good, such as DT4E, No. 10 steel, A3 steel etc.
In the present embodiment, the material of permanent magnet is neodymium iron boron, also can substitute with the permanent magnetic material such as SmCo, ferrite.
Compared with traditional moving-coil structure, the linear electric motors that the present embodiment provides are moving magnet structure, and motion parts does not have cable and drag chain, and structure is simple, compact, lighter in weight, can obtain larger acceleration.
In the present embodiment, shell is provided with opening in one end of the mover direction of motion, and one end of mover stretches out in outside shell aperture.Shell aperture be outside equipped with motion platform (not shown), one end that this motion platform and mover are positioned at outside shell is fixedly connected with.
Specifically, this motion platform comprises supporting seat, guide rail and slide unit.Its middle guide is arranged on supporting seat, and its bearing of trend is consistent with the direction that mover moves; Slide unit is arranged on guide rail, and one end that one end and the mover of slide unit are positioned at outside shell is fixedly connected with.Under the driving of mover, slide unit can along guide rail moving linearly.
As shown in Figure 2, stator comprises two groups of identical unit, is symmetrically distributed in the both sides up and down of mover.Often organize unit and all comprise iron core 3, coil 4 and heat abstractor 5.In this bilateral flat-plat type scheme, two groups of unit one of stator react on mover, compare monolateral flat plate type linear motor, have larger thrust and motion frequency.
Specifically, coil 4 one side is close to iron core 3, and another side towards permanent magnet 2, and leaves air gap between permanent magnet; Coil 4 accesses direct current, produces magnetic field, promotes mover and carries out rectilinear motion; Heat abstractor 5 is arranged on iron core 3, relative with coil 4.
In the present embodiment, the one side of iron core 3 coil 4 is dorsad provided with groove.Heat abstractor 5 is radiating tube, and this radiating tube is embedded in groove, with iron core 3 close contact.The two ends of radiating tube are respectively the entrance and exit of coolant.
In the present embodiment, groove is the canal shape structure that multiple tracks is parallel to each other, and runs through the relative both sides of iron core 3, and the opening direction of groove is mutually vertical with the direction of motion of mover.Radiating tube penetrates from one end of groove, and the other end passes, and is distributed on iron core 3 in waveform bending back and forth.The contact area of corrugated radiating tube and iron core is comparatively large, ensures that heat transfer is good, strengthens cooling effect, makes that motor volume is small and exquisite and pushing force density is large simultaneously.
As an alternative, groove also can be the corrugated canal shape structure bent back and forth.The side that iron core 3 is run through at the two ends of groove forms two openings, and radiating tube penetrates from an opening of groove, and another opening passes.Wherein, the shape of radiating tube is agreed with mutually with groove.。
In the present embodiment, coolant is water or oil; Radiating tube is copper pipe, also can substitute by the metallic material pipe that other heat conduction are good.
During linear electric motors work, docked with cooling water pipeline by radiating tube, cooling water flows to from radiating tube entrance, flows out, take away the heat that linear electric motors pass over through radiating tube from radiating tube outlet.The continuous iterative cycles flowing of cooling water, carries out efficiently radiates heat to linear electric motors.Compared with prior art, the linear electric motors that the present embodiment provides can bear larger electric current, and then obtain larger thrust.
In the present embodiment, coil 4 is entwined by copper cash, and multiple coil 4 connects into a rectangle circle cake side by side.Certainly, coil 4 also can use other wire producings, such as aluminum steel, copper-clad aluminum conductor, gold thread etc.
In the present embodiment, the number of coil 4 and permanent magnet 2, size and position are corresponding.Wherein, the size laying respectively at the permanent magnet at yoke 1 two ends can design less than other permanent magnets, can save material cost like this, alleviates the weight of mover entirety simultaneously, improves motion frequency.
In the present embodiment, be provided with insulating barrier between iron core 3 and coil 4, this insulating barrier is the good insulating material of heat conduction, ensures that linear electric motors insulation is good, improves reliability.
In the present embodiment, iron core 3 is the rectangular structure be formed by stacking by silicon steel sheet.Certainly, also can with the good material substitution silicon steel sheet of other magnetic properties.Iron core 3 does not have the teeth groove of linear electric motors routine, effectively avoids the generation of reluctance force, and linear electric motors are exerted oneself steady ripple disable.
As shown in Figures 3 to 5, shell comprises base 6 and upper cover 7.Wherein, base 6 and upper cover 7 are equipped with square groove, and the opening of square groove is towards mover, and each square groove holds the unit of one group of stator, and coil 4, iron core 3 and heat abstractor 5 are positioned at square groove from outside to inside successively.Next is fixedly connected with for base 6 and upper cover 7 one.
In the present embodiment, the unit often organizing stator by epoxy resin respectively with base 6 and upper cover 7 embedding as a whole, improve the reliability of linear electric motors.
In the present embodiment, the material of base 6 and upper cover 7 is stainless steel or aluminium alloy, also can with the good materials processing of other intensity.
In the present embodiment, the side relative with shell aperture is provided with fan, by air-cooled mode auxiliary radiating device 5, improves the heat-sinking capability of linear electric motors.
The linear electric motors that the present embodiment provides are direct current machine, have fast response time and the high feature of precision, can realize high-frequency high-speed motion.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the moving-magnetic type linear motor of band cooling, comprise mover, stator and shell, described mover and stator are arranged on described enclosure, it is characterized in that: described mover comprises one piece of yoke and multiple permanent magnet, and described permanent magnet is symmetrically distributed in the both sides up and down of described yoke; Described stator comprises two groups of identical unit, is symmetrically distributed in the both sides up and down of described mover; The unit of described stator comprises iron core, coil and heat abstractor; Described coil one side is close to described iron core, and another side towards described permanent magnet, and leaves air gap between described permanent magnet; Described coil access direct current, produces magnetic field, promotes mover and carry out rectilinear motion; Described heat abstractor is arranged on described iron core, relative with described coil; Described shell is provided with opening in one end of the described mover direction of motion, and one end of described mover stretches out in outside described shell aperture; Described shell aperture be outside equipped with motion platform, one end that described motion platform is positioned at outside shell with described mover is fixedly connected with.
2. linear electric motors according to claim 1, is characterized in that: described motion platform comprises supporting seat, guide rail and slide unit; Described guide rail is arranged on described supporting seat, and its bearing of trend is consistent with the described mover direction of motion; Described slide unit is arranged on described guide rail, and one end that one end and the described mover of described slide unit are positioned at outside shell is fixedly connected with.
3. linear electric motors according to claim 1, it is characterized in that: described shell comprises base and upper cover, described base and upper cover are equipped with square groove, the opening of described square groove is towards described mover, each square groove holds the unit of stator described in a group, described coil, iron core and heat abstractor are positioned at described square groove from outside to inside successively, and next is fixedly connected with for described base and upper cover one.
4. linear electric motors according to claim 1, is characterized in that: the one side of described iron core described coil is dorsad provided with groove; Described heat abstractor is radiating tube, and described radiating tube is embedded in groove, with described iron core close contact; The two ends of described radiating tube are respectively the entrance and exit of coolant.
5. linear electric motors according to claim 4, is characterized in that: described groove is the canal shape structure that multiple tracks is parallel to each other, and runs through the relative both sides of described iron core; The opening direction of described groove is mutually vertical with the direction of motion of described mover; Described radiating tube penetrates from one end of described groove, and the other end passes, and is distributed on described iron core in waveform bending back and forth.
6. linear electric motors according to claim 4, is characterized in that: described groove is the corrugated canal shape structure bent back and forth, and the side that described iron core is run through at its two ends forms two openings; Described radiating tube penetrates from an opening of groove, and another opening passes, and its shape is agreed with mutually with groove.
7. linear electric motors according to claim 1, is characterized in that: the number of described coil and permanent magnet, size and position are corresponding.
8. linear electric motors according to claim 1, is characterized in that: be provided with insulating barrier between described iron core and coil, and described insulating barrier is the good insulating material of heat conduction.
9. linear electric motors according to claim 1, is characterized in that: described iron core is the rectangular structure be formed by stacking by silicon steel sheet.
10. linear electric motors according to claim 1, is characterized in that: the permanent magnet being positioned at described yoke phase the same side is that N pole and S pole alternate intervals arrange; Described yoke is contrary relative to the magnetic pole of the permanent magnet of both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410510156.4A CN104333193B (en) | 2014-09-28 | 2014-09-28 | Moving-magnetic type linear motor with cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410510156.4A CN104333193B (en) | 2014-09-28 | 2014-09-28 | Moving-magnetic type linear motor with cooling |
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| CN104333193A true CN104333193A (en) | 2015-02-04 |
| CN104333193B CN104333193B (en) | 2017-07-07 |
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| CN201410510156.4A Active CN104333193B (en) | 2014-09-28 | 2014-09-28 | Moving-magnetic type linear motor with cooling |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533057A (en) * | 2016-12-23 | 2017-03-22 | 大族激光科技产业集团股份有限公司 | Linear motor and cooling device thereof |
| CN110061582A (en) * | 2019-06-04 | 2019-07-26 | 恩普齐斯智能装备(苏州)有限公司 | A kind of structure and its cooling means that linear motor is quickly cooled down |
| CN110247498A (en) * | 2019-07-03 | 2019-09-17 | 珠海格力电器股份有限公司 | Cooling component, linear motor rotor, linear motor and the lathe of linear motor rotor |
| CN111527676A (en) * | 2017-12-27 | 2020-08-11 | 倍福自动化有限公司 | Stator module and planar driving system |
| WO2022047864A1 (en) * | 2020-09-04 | 2022-03-10 | 瑞声声学科技(深圳)有限公司 | Linear motor |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000333438A (en) * | 1999-05-19 | 2000-11-30 | Mirae Corp | Linear motor |
| JP2001103726A (en) * | 1999-09-30 | 2001-04-13 | Toyoda Mach Works Ltd | Cooling device of electromagnetic coil in linear motor |
| JP2001128438A (en) * | 1999-10-28 | 2001-05-11 | Sodick Co Ltd | Linear motor and manufacturing method therefor |
| JP2002027730A (en) * | 2001-04-09 | 2002-01-25 | Yaskawa Electric Corp | Canned linear motor and armature thereof |
| JP2004040874A (en) * | 2002-07-01 | 2004-02-05 | Nikon Corp | Linear motor, stage arrangement, and aligner |
| CN1933304A (en) * | 2006-09-28 | 2007-03-21 | 哈尔滨工业大学 | Horizontal flux flat-plate type permanent-magnetic linear electric machine |
| JP2008035698A (en) * | 2000-09-29 | 2008-02-14 | Sanyo Denki Co Ltd | Armature for linear motor |
| JP2008061458A (en) * | 2006-09-01 | 2008-03-13 | Fuji Mach Mfg Co Ltd | Cylindrical linear motor |
| KR20080044574A (en) * | 2006-11-16 | 2008-05-21 | 두산인프라코어 주식회사 | A cooling device for linear motor |
| CN101888164A (en) * | 2010-07-26 | 2010-11-17 | 东南大学 | Low-speed high-thrust single-air gap magnetic gear composite linear electric motor |
-
2014
- 2014-09-28 CN CN201410510156.4A patent/CN104333193B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000333438A (en) * | 1999-05-19 | 2000-11-30 | Mirae Corp | Linear motor |
| JP2001103726A (en) * | 1999-09-30 | 2001-04-13 | Toyoda Mach Works Ltd | Cooling device of electromagnetic coil in linear motor |
| JP2001128438A (en) * | 1999-10-28 | 2001-05-11 | Sodick Co Ltd | Linear motor and manufacturing method therefor |
| JP2008035698A (en) * | 2000-09-29 | 2008-02-14 | Sanyo Denki Co Ltd | Armature for linear motor |
| JP2002027730A (en) * | 2001-04-09 | 2002-01-25 | Yaskawa Electric Corp | Canned linear motor and armature thereof |
| JP2004040874A (en) * | 2002-07-01 | 2004-02-05 | Nikon Corp | Linear motor, stage arrangement, and aligner |
| JP2008061458A (en) * | 2006-09-01 | 2008-03-13 | Fuji Mach Mfg Co Ltd | Cylindrical linear motor |
| CN1933304A (en) * | 2006-09-28 | 2007-03-21 | 哈尔滨工业大学 | Horizontal flux flat-plate type permanent-magnetic linear electric machine |
| KR20080044574A (en) * | 2006-11-16 | 2008-05-21 | 두산인프라코어 주식회사 | A cooling device for linear motor |
| CN101888164A (en) * | 2010-07-26 | 2010-11-17 | 东南大学 | Low-speed high-thrust single-air gap magnetic gear composite linear electric motor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533057A (en) * | 2016-12-23 | 2017-03-22 | 大族激光科技产业集团股份有限公司 | Linear motor and cooling device thereof |
| CN111527676A (en) * | 2017-12-27 | 2020-08-11 | 倍福自动化有限公司 | Stator module and planar driving system |
| US11038410B2 (en) | 2017-12-27 | 2021-06-15 | Beckhoff Automation Gmbh | Stator module and planar drive system |
| CN111527676B (en) * | 2017-12-27 | 2021-09-24 | 倍福自动化有限公司 | Stator module and planar driving system |
| CN110061582A (en) * | 2019-06-04 | 2019-07-26 | 恩普齐斯智能装备(苏州)有限公司 | A kind of structure and its cooling means that linear motor is quickly cooled down |
| CN110247498A (en) * | 2019-07-03 | 2019-09-17 | 珠海格力电器股份有限公司 | Cooling component, linear motor rotor, linear motor and the lathe of linear motor rotor |
| WO2022047864A1 (en) * | 2020-09-04 | 2022-03-10 | 瑞声声学科技(深圳)有限公司 | Linear motor |
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