CN105186823A - Double-rotor transverse-flux moving magnet type linear oscillatory motor and method - Google Patents
Double-rotor transverse-flux moving magnet type linear oscillatory motor and method Download PDFInfo
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- CN105186823A CN105186823A CN201510465549.2A CN201510465549A CN105186823A CN 105186823 A CN105186823 A CN 105186823A CN 201510465549 A CN201510465549 A CN 201510465549A CN 105186823 A CN105186823 A CN 105186823A
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Abstract
The present invention discloses a double-rotor transverse-flux moving magnet type linear oscillatory motor, comprising stators and rotors. The direction of a main flux is mutually perpendicular to the motion direction of the rotors; the stators are C-shaped stator cores (7), and a stator winding (6) is embedded in a C-shaped groove; there are provided rotors between the upper and lower teeth of C-shaped teeth in the C-shaped stator cores (7); each rotor is a rotor permanent magnet (9) formed by two permanent magnets having opposite magnetizing directions; and the two permanent magnets having opposite magnetizing directions in the rotor permanent magnet (9) are mutually separated by a clapboard made of nonmagnetic materials.
Description
Technical field
Invention relates to a kind of linear vibration motor.Specifically a kind of moving-magnetic linear vibration motor of transverse magnetic flux.
Background technology
Conventional art adopts the transmission mechanism such as crank and leading screw to convert the rotary motion of electric rotating machine to straight reciprocating motion, there is the problems such as the low and Mechanical Reliability of complex structure, efficiency is poor.Adopt linear vibration motor to realize straight reciprocating motion and can save transmission mechanism, reduce frictional dissipation, improve system effectiveness and reliability.
Chinese Patent Application No. is the two rotor linear compressors proposed in 201110383620.4 files, comprises casing, cylinder, piston, stator core, winding coil, mover, permanent magnet, end cap, linear bearing, resonant spring, adjusting nut.Have the advantages such as efficiency height and compact conformation, but described stator core is dumbbell shaped to be formed by silicon steel sheet axial radiation closed assembly, thus, complex structure, processing technology requires high.
The linear compressor structure of LG company is cylinder type, and external stator is made up of 16 pieces little stator core blocks, and internal stator must become radial structure tight inside but loose outside by closed assembly, and difficulty of processing is high, and there is larger leakage field, limits the further raising of its pushing force density.
Summary of the invention
The technical problem to be solved in the present invention is to provide the simple two mover transverse magnetic flux moving-magnetic linear oscillating motor of a kind of structure.
In order to solve the problems of the technologies described above, the invention provides a kind of two mover transverse magnetic flux moving-magnetic linear oscillating motor, comprising stator and mover; Described main flux direction is mutually vertical with the direction of motion of mover.
Improvement as to of the present invention pair of mover transverse magnetic flux moving-magnetic linear oscillating motor: described stator is C type stator core, its C type groove is embedded with stator winding; In described C type stator core, the upper and lower teeth portion of C type tooth is middle arranges mover; Described mover is the rotor permanent magnet that permanent magnet that two magnetizing directions are contrary is formed; The dividing plate made by non-magnet material between the permanent magnet that in described rotor permanent magnet, two magnetizing directions are contrary is mutually isolated.
Further improvement as to of the present invention pair of mover transverse magnetic flux moving-magnetic linear oscillating motor: described stator winding adopts centralized winding to arrange.
Further improvement as to of the present invention pair of mover transverse magnetic flux moving-magnetic linear oscillating motor: described stator and mover are wrapped up by shell; The end cap that described shell comprises casing and is arranged at its two ends surrounds and forms.
Further improvement as to of the present invention pair of mover transverse magnetic flux moving-magnetic linear oscillating motor: interfix after the permanent magnet that two magnetizing directions of described rotor permanent magnet are contrary is run through by linear axis; Be interconnected respectively by linear bearing between the two ends of described linear axis and the end cap at two ends.
Further improvement as to of the present invention pair of mover transverse magnetic flux moving-magnetic linear oscillating motor: be respectively arranged with spring between described rotor permanent magnet and both sides linear bearing.
Further improvement as to of the present invention pair of mover transverse magnetic flux moving-magnetic linear oscillating motor: described C type stator core is fixed on the end cap at two ends by guide vane end stop.
Two mover transverse magnetic flux moving-magnetic linear oscillation method, comprises following step: stator winding electrifying produces magnetic field; Magnetic field increases magnetic to one of them magnetic field of permanent magnet of two rotor permanent magnet, to another one magnetic field of permanent magnet demagnetize, produces the electromagnetic push pointing to and increase magnetic side; Linear axis is driven to carry out the motion of respective direction by electromagnetic push.
Improvement as of the present invention pair of mover transverse magnetic flux moving-magnetic linear oscillation method: by the alternating electromagnetism thrust of same frequency, drives linear axis to realize straight reciprocating motion.
The present invention has following advantage compared with prior art:
1, the present invention is the linear vibration motor of transverse magnetic flux, and main flux direction is vertical with the mover direction of motion, and thus the silicon steel sheet of external stator core arranges and consistency of thickness vertically, identical with the stacking technique of traditional rotary motor iron core, easy to process.
2, stator core is " C " type structure, in the middle of the teeth portion up and down of rotor permanent magnet is positioned at " C " type tooth, without the need to arranging inner-stator iron core, solving the problem of moving-magnetic linear vibration motor inner-stator iron core closed assembly difficulty, having the advantage that structure is simple and compact.
3, within the scope of effective travel, reluctance force is 0 substantially, exports electromagnetic push level and smooth, and electromagnetic push is easy to control.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is primary structure schematic diagram of the present invention;
Fig. 2 is the left side sectional structure schematic diagram of Fig. 1.
Embodiment
Embodiment 1, Fig. 1 give a kind of two mover transverse magnetic flux moving-magnetic linear oscillating motor, comprise stator and mover; Its main flux is vertical with the mover direction of motion.
Above-described stator is C type stator core 7, and its C type groove is embedded with stator winding 6; Above-described mover is be interconnected after rotor permanent magnet 9, two permanent magnets that magnetizing direction is contrary that permanent magnet that two magnetizing directions are contrary is formed are run through by linear axis 1, and the dividing plate be made up of non-magnet material is isolated.
Rotor permanent magnet 9 is horizontally through in the middle of the upper and lower teeth portion of " C " type tooth in C type stator core 7, the magnetic field produced after being energized by stator winding 6, increases magnetic to one of them magnetic field of permanent magnet of rotor permanent magnet 9; To another one magnetic field of permanent magnet demagnetize, thus produce the electromagnetic push pointing to and increase magnetic side, then promote rotor permanent magnet 9 and move along perpendicular to main flux direction.
Above-described stator winding 6 adopts centralized winding to arrange, coiling and the setting-in of centralized winding are fairly simple.
When the actual use of the present invention, adopt shell parcel; Its shell comprises casing 5 and left and right end cap 3 and surrounds and form; Left and right end cap 3 installs linear bearing 2 respectively, constant to ensure the air gap between mover and stator; And be respectively arranged with between the linear bearing 2 of rotor permanent magnet 9 and left and right side and recover spring 8, by recovering the resilient force of spring 8, reducing resistance time rotor permanent magnet 9 is replied, improving the efficiency of whole electric system.
Use step of the present invention is as follows:
1, stator winding 6 be energized (alternating current) produce magnetic field;
2, magnetic field increases magnetic, to another one magnetic field of permanent magnet demagnetize to one of them magnetic field of permanent magnet of two rotor permanent magnet 9; Produce the electromagnetic push pointing to and increase magnetic side;
3, linear axis 1 is driven to carry out the motion of respective direction by electromagnetic push.
4, by the alternating electromagnetism thrust of same frequency, linear axis 1 is driven to realize straight reciprocating motion.
Finally, it is also to be noted that what enumerate above is only a specific embodiment of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be had.All distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate, all should think protection scope of the present invention.
Claims (9)
1. a two mover transverse magnetic flux moving-magnetic linear oscillating motor, comprises stator and mover; It is characterized in that: described main flux direction is mutually vertical with the direction of motion of mover.
2. according to claim 1 pair of mover transverse magnetic flux moving-magnetic linear oscillating motor, it is characterized in that: described stator is C type stator core (7), its C type groove is embedded with stator winding (6);
In described C type stator core (7), the upper and lower teeth portion of C type tooth is middle arranges mover;
Described mover is the rotor permanent magnet (9) that permanent magnet that two magnetizing directions are contrary is formed;
The dividing plate made by non-magnet material between the permanent magnet that interior two magnetizing directions of described rotor permanent magnet (9) are contrary is mutually isolated.
3. according to claim 2 pair of mover transverse magnetic flux moving-magnetic linear oscillating motor, is characterized in that: described stator winding (6) adopts centralized winding to arrange.
4. according to claim 3 pair of mover transverse magnetic flux moving-magnetic linear oscillating motor, is characterized in that: described stator and mover are wrapped up by shell;
The end cap (3) that described shell comprises casing (5) and is arranged at its two ends surrounds and forms.
5. according to claim 4 pair of mover transverse magnetic flux moving-magnetic linear oscillating motor, is characterized in that: interfix after the permanent magnet that two magnetizing directions of described rotor permanent magnet (9) are contrary is run through by linear axis (1);
Be interconnected respectively by linear bearing (2) between the two ends of described linear axis (1) and the end cap (3) at two ends.
6. according to claim 5 pair of mover transverse magnetic flux moving-magnetic linear oscillating motor, is characterized in that: be respectively arranged with spring (8) between described rotor permanent magnet (9) and both sides linear bearing (2).
7. according to claim 6 pair of mover transverse magnetic flux moving-magnetic linear oscillating motor, is characterized in that: described C type stator core (7) is fixed on upper and lower end cap (3) by guide vane end stop (4).
8. pair mover transverse magnetic flux moving-magnetic linear oscillation method, is characterized in that: comprise following step:
Stator winding (6) energising produces magnetic field;
Magnetic field increases magnetic to one of them magnetic field of permanent magnet of two rotor permanent magnet (9), to another one magnetic field of permanent magnet demagnetize, produces the electromagnetic push pointing to and increase magnetic side;
Linear axis (1) is driven to carry out the motion of respective direction by electromagnetic push.
9. according to claim 8 pair of mover transverse magnetic flux moving-magnetic linear oscillation method, is characterized in that: by the alternating electromagnetism thrust of same frequency, drives linear axis (1) to realize straight reciprocating motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510465549.2A CN105186823A (en) | 2015-07-31 | 2015-07-31 | Double-rotor transverse-flux moving magnet type linear oscillatory motor and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510465549.2A CN105186823A (en) | 2015-07-31 | 2015-07-31 | Double-rotor transverse-flux moving magnet type linear oscillatory motor and method |
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| CN105186823A true CN105186823A (en) | 2015-12-23 |
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| CN201510465549.2A Pending CN105186823A (en) | 2015-07-31 | 2015-07-31 | Double-rotor transverse-flux moving magnet type linear oscillatory motor and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105979463A (en) * | 2016-04-30 | 2016-09-28 | 苏州亿欧得电子有限公司 | Program-controlled receiver automatic magnetization test apparatus |
| CN107756335A (en) * | 2017-11-04 | 2018-03-06 | 丁士来 | Magneto DC-AC two-use nailing gun |
| CN110417230A (en) * | 2019-07-11 | 2019-11-05 | 重庆汝新动力科技股份有限公司 | A kind of d. c reciprocating formula linear motor and its application apparatus |
| CN117674478A (en) * | 2023-03-31 | 2024-03-08 | 比亚迪股份有限公司 | Linear motor, electromagnetic suspension and vehicle |
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| US4389131A (en) * | 1979-08-02 | 1983-06-21 | Canon Kabushiki Kaisha | Printer with electromagnetic drive yokes |
| US20030006870A1 (en) * | 1999-02-09 | 2003-01-09 | Techno Takatsuki Co., Ltd. | Iron core and electromagnetic driving mechanism employing the same |
| CN1681627A (en) * | 2002-09-11 | 2005-10-12 | 布劳恩股份有限公司 | Small electric appliance with a drive mechanism for generating an oscillatory motion |
| CN1692541A (en) * | 2002-11-26 | 2005-11-02 | 松下电工株式会社 | Actuator |
| CN1917337A (en) * | 2006-08-09 | 2007-02-21 | 浙江大学 | Permanent magnet linear vibration motor |
| CN103633808A (en) * | 2012-08-24 | 2014-03-12 | 三星电机株式会社 | Linear vibrator |
| CN204967590U (en) * | 2015-07-31 | 2016-01-13 | 浙江理工大学 | Sub - transverse magnetic flux moving -magnetic type of double acting motor that sharply vibrates |
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2015
- 2015-07-31 CN CN201510465549.2A patent/CN105186823A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4389131A (en) * | 1979-08-02 | 1983-06-21 | Canon Kabushiki Kaisha | Printer with electromagnetic drive yokes |
| US20030006870A1 (en) * | 1999-02-09 | 2003-01-09 | Techno Takatsuki Co., Ltd. | Iron core and electromagnetic driving mechanism employing the same |
| CN1681627A (en) * | 2002-09-11 | 2005-10-12 | 布劳恩股份有限公司 | Small electric appliance with a drive mechanism for generating an oscillatory motion |
| CN1692541A (en) * | 2002-11-26 | 2005-11-02 | 松下电工株式会社 | Actuator |
| CN1917337A (en) * | 2006-08-09 | 2007-02-21 | 浙江大学 | Permanent magnet linear vibration motor |
| CN103633808A (en) * | 2012-08-24 | 2014-03-12 | 三星电机株式会社 | Linear vibrator |
| CN204967590U (en) * | 2015-07-31 | 2016-01-13 | 浙江理工大学 | Sub - transverse magnetic flux moving -magnetic type of double acting motor that sharply vibrates |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105979463A (en) * | 2016-04-30 | 2016-09-28 | 苏州亿欧得电子有限公司 | Program-controlled receiver automatic magnetization test apparatus |
| CN105979463B (en) * | 2016-04-30 | 2023-11-17 | 苏州亿欧得电子有限公司 | Automatic magnetization testing equipment for program-controlled telephone receiver |
| CN107756335A (en) * | 2017-11-04 | 2018-03-06 | 丁士来 | Magneto DC-AC two-use nailing gun |
| CN110417230A (en) * | 2019-07-11 | 2019-11-05 | 重庆汝新动力科技股份有限公司 | A kind of d. c reciprocating formula linear motor and its application apparatus |
| CN117674478A (en) * | 2023-03-31 | 2024-03-08 | 比亚迪股份有限公司 | Linear motor, electromagnetic suspension and vehicle |
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Application publication date: 20151223 |