CN104167898A - Spiral-propelling traveling-wave magnetic-field motor - Google Patents
Spiral-propelling traveling-wave magnetic-field motor Download PDFInfo
- Publication number
- CN104167898A CN104167898A CN201410438997.9A CN201410438997A CN104167898A CN 104167898 A CN104167898 A CN 104167898A CN 201410438997 A CN201410438997 A CN 201410438997A CN 104167898 A CN104167898 A CN 104167898A
- Authority
- CN
- China
- Prior art keywords
- magnetic
- field
- iron core
- winding
- bar shaped
- 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
Abstract
The invention discloses a spiral-propelling traveling-wave magnetic-field motor which comprises a cylindrical iron core, windings and excitation elements. Stripe-shape grooves parallel to the axial direction are evenly distributed in the lateral side of the iron core in the circumferential direction, stripe-shaped teeth are formed between two adjacent stripe-shaped grooves, the stripe-shaped teeth are wound by the windings, the windings are embedded into the stripe-shaped grooves, the excitation elements are attached to the surfaces of the stripe-shaped teeth, the excitation elements on the same stripe-shaped tooth are arranged into a row in the axial direction, the magnetic poles of any two adjacent excitation elements are respectively an N pole and an S pole to form a counter magnetic flux set of the windings on the same stripe-shaped tooth, the central distance of the adjacent N pole and S pole is the axial pole distance, and the excitation elements on any two adjacent stripe-shaped teeth are arranged to form axial deviation. The spiral-propelling traveling-wave magnetic-field motor can control the rotating speed and the propelling speed of the spiral magnetic field by controlling the power frequency, greatly simplifies a structure and control of a spiral magnetic field device and can effectively reduces iron loss through convenient axial lamination.
Description
Technical field
The present invention relates to a kind of motor based on counter magnetic flux principle, relate in particular to a kind of screw propulsion travelling-magnetic-field motor.
Background technology
Some industrial occasions as Metallurgy Industry in, need the effect of helical magnetic field; In other occasion, helical magnetic field can be used as the power of linear advancement.The helical magnetic field of the researchs such as the Wang Songwei of the advanced iron and steel flow process of Iron and Steel Research Geueral Inst and material National Key Laboratory drives molten metal axial flow, the method that adopts three phase alternating current motor to drive to put up the aluminium alloy post of helical permanent magnet to rotate, the large and magnetic field running speed adjustment of device volume is subject to auto levelizer inertia effects larger.United States Patent (USP) 5,654,546 disclose a kind of linear electric motors based on counter magnetic flux principle, contrary permanent magnet is installed on stator winding tooth, reach the control mode that is similar to permanent magnetic brushless, but be limited by the impact of traditional line motor limit end effect, the symmetry of three phase windings is bad, affects Electric Machine Control performance.
Summary of the invention
Goal of the invention: in order to overcome the compact not problem of helical magnetic field control inconvenience in prior art, device, the invention provides one and there is screw propulsion travelling-magnetic-field motor, adopt the winding type of symmetrical rotary motor and the excitation technology of counter magnetic flux, coordinate by rational electromagnetism, produce the travelling-magnetic-field of spiral-shaped propelling at armature surface, both can be used for needing the occasion of helical magnetic field, also can be used for designing each symmetrical linear advancement motor, reach compact conformation simultaneously, control convenient, higher, the lower-cost beneficial effect of efficiency.
Technical scheme: for achieving the above object, the technical solution used in the present invention is:
A kind of screw propulsion travelling-magnetic-field motor, comprise cylinder type iron core, winding and field element, in the side of iron core, along the circumferential direction be distributed with and be parallel to axial bar-shaped trough, between adjacent two bar-shaped troughs, form bar shaped tooth, on each bar shaped tooth, be wound with winding, winding is embedded in bar-shaped trough, and field element is attached to the surface of bar shaped tooth; On same bar shaped tooth, field element is arranged in a row vertically, and the magnetic pole of two field elements of arbitrary neighborhood is respectively the N utmost point and the S utmost point, forms the counter magnetic flux group of winding on same bar shaped tooth, and the centre distance of the adjacent N utmost point and the S utmost point is axial poles distance; On two bar shaped teeth of arbitrary neighborhood, there is axial dipole field in arranging of field element; Along the circumferential direction, the axial offset of the field element on two bar shaped teeth of arbitrary neighborhood is consistent with offset direction, according to the requirement skew of axial poles distance and the winding number of phases, forms the phase difference of winding.
Preferably, described iron core is overrided to form vertically by ring-shaped silicon steel sheet, to reduce eddy current loss.
Preferably, described bar-shaped trough is distributed in inner circle side or the cylindrical side of iron core.
Preferably, described field element adopts permanent magnet or winding excitation.
Preferably, described all windings are divided into three-phase, can certainly be divided into as required any phase.
Preferably, the side-play amount of described field element on adjacent two bar shaped teeth is 2/3rds of axial poles distance, so that 120 ° of the electromotive force phase differences of adjacent winding; Can certainly other side-play amounts be set according to the winding number of phases, side-play amount can be pole span divided by the number of phases, can be also that pole span is divided by the twice number of phases.
Preferably, also comprise mover, mover is arranged on a side with bar shaped tooth, that is: in the time that bar shaped tooth is arranged on the inner side of iron core, mover is arranged on the inner side of iron core; In the time that bar shaped tooth is arranged on the outside of iron core, mover is arranged on the outside of iron core.Described mover can be the iron core that axial teeth groove is separated by, to form magnetic resistance type linear electric motors; Also can be metal liquid, aluminum cylinder or copper circle copper, to form induction type screw motor.
Beneficial effect: screw propulsion travelling-magnetic-field motor provided by the invention, can control rotary speed and the fltting speed of helical magnetic field by controlling supply frequency, greatly simplify structure and the control of helical magnetic field device; Adopt transverse magnetic flux structure, cylinder motor also can by easily axially lamination effectively reduce iron loss; Adopt anti-phase magnetic flux technology, field element and armature component are arranged on to the same side and not only can effectively reduce field element quantity, also contribute to protect field element; Each winding magnetic resistance is evenly distributed, and is conducive to each phase winding electrical quantity balance and final control.
Brief description of the drawings
Fig. 1 is first example structure schematic diagram of the present invention;
Fig. 2 is second example structure schematic diagram of the present invention;
Fig. 3 is the 3rd example structure schematic diagram of the present invention;
Fig. 4 is the 4th example structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
Embodiment 1
Be illustrated in figure 1 a kind of screw propulsion travelling-magnetic-field motor, comprise cylinder type iron core 1, winding 2 and field element 3, in the side of iron core 1, along the circumferential direction be distributed with and be parallel to axial bar-shaped trough 5, between adjacent two bar-shaped troughs 5, form bar shaped tooth 4, on each bar shaped tooth 4, be wound with winding 2, winding 2 is embedded in bar-shaped trough 5, and field element 3 is attached to the surface of bar shaped tooth 4; On same bar shaped tooth 4, field element 3 is arranged in a row vertically, and the magnetic pole of two field elements 3 of arbitrary neighborhood is respectively the N utmost point and the S utmost point, forms the counter magnetic flux group of winding 2 on same bar shaped tooth 4, and the centre distance of the adjacent N utmost point and the S utmost point is axial poles distance; On two bar shaped teeth 4 of arbitrary neighborhood, there is axial dipole field in arranging of field element 3; Along the circumferential direction, the axial offset of the field element 3 on two bar shaped teeth 4 of arbitrary neighborhood is consistent with offset direction, according to the requirement skew of axial poles distance and winding 2 numbers of phases, forms the phase difference of winding.
As shown in Figure 1, the bar shaped tooth 4 in this example is arranged on the inner circle side of iron core 1, has 18 bar shaped teeth 4; Adopt centralized winding, on each bar shaped tooth, be all wound with winding 2; Field element 3 adopts permanent magnet, is attached on the flank of tooth of bar shaped tooth 4; The side-play amount of field element 3 on adjacent two bar shaped teeth 4 is 2/3rds of axial poles distance, so that 120 ° of the electromotive force phase differences of adjacent winding 2 form three phase windings; In the time passing into symmetrical three-phase alternating current in winding 2, the travelling-magnetic-field of screw propulsion will be formed at iron core 1 and field element 3 inner sides.
Embodiment 2
As shown in Figure 2, on the basis of embodiment 1, embodiment 2 has increased a cylinder type collet 6 and a guide shell 7, and collet 6 is nonferromagnetic material; Collet 6 is arranged on field element 3 inner sides, and the surface of the outer surface of collet 6 and field element 3 fits; Guide shell 7 is arranged on the inner side of collet 6, and forms circular passage 8 between collet 6 and guide shell 7; Metal liquid is imported in circular passage 8, and pass into symmetrical three-phase alternating current in winding 2, metal liquid in circular passage 8 is under the effect of screw propulsion travelling-magnetic-field, induced current, and helical rotation thereupon, reach the object of electromagnetic agitation, by changing frequency, electric current, the phase sequence of three-phase alternating current, can control respectively speed and the direction of electromagnetic agitation.
Embodiment 3
As shown in Figure 3, on the basis of embodiment 1, embodiment 3 has increased a copper cylinder 9, copper cylinder 9 is arranged on field element 3 inner sides, and leave suitable air gap between field element 3 and copper cylinder 9, when passing into symmetrical three-phase alternating current in winding 2, copper cylinder 9, under the effect of screw propulsion travelling-magnetic-field, is subject to spiral thrust effect; By changing frequency, the electric current of three-phase alternating current, phase sequence, can control the size and Orientation of copper cylinder 9 suffered active forces.
Embodiment 4
As shown in Figure 4, on the basis of embodiment 1, embodiment 4 has increased a mover iron core 10, is provided with the cannelure of circumferencial direction at the outer surface of mover iron core 10, and the evenly interval setting vertically of all cannelures; Vertically, the center distance of adjacent two cannelures equals two pole spans; Mover iron core 10 is arranged on field element 3 inner sides, and leaves suitable air gap between field element 3 and mover iron core 10; When passing into symmetrical three-phase alternating current in winding 2, the magnetic resistance of mover iron core 10, only at Axial changes, is therefore only subject to axial thrust in screw propulsion travelling-magnetic-field, change energising frequency, can control fltting speed, change phase sequence and can change thrust direction, reach and simplify the object of controlling.Can design equally mover iron core 10 and be overrided to form vertically by ring-shaped silicon steel sheet, to reduce eddy current loss.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a screw propulsion travelling-magnetic-field motor, it is characterized in that: comprise cylinder type iron core (1), winding (2) and field element (3), in the side of iron core (1), along the circumferential direction be distributed with and be parallel to axial bar-shaped trough (5), between adjacent two bar-shaped troughs (5), form bar shaped tooth (4), on each bar shaped tooth (4), be wound with winding (2), winding (2) is embedded in bar-shaped trough (5), and field element (3) is attached to the surface of bar shaped tooth (4); On same bar shaped tooth (4), field element (3) is arranged in a row vertically, the magnetic pole of two field elements of arbitrary neighborhood (3) is respectively the N utmost point and the S utmost point, the counter magnetic flux group that forms the upper winding (2) of same bar shaped tooth (4), the centre distance of the adjacent N utmost point and the S utmost point is axial poles distance; Two bar shaped teeth of arbitrary neighborhood (4) are upper, and arranging of field element (3) exists axial dipole field; Along the circumferential direction, the axial offset of the field element (3) on two bar shaped teeth of arbitrary neighborhood (4) is consistent with offset direction, according to the requirement skew of axial poles distance and winding (2) number of phases, forms the phase difference of winding.
2. screw propulsion travelling-magnetic-field motor according to claim 1, is characterized in that: described iron core (1) is overrided to form vertically by ring-shaped silicon steel sheet.
3. screw propulsion travelling-magnetic-field motor according to claim 1, is characterized in that: described bar-shaped trough (5) is distributed in inner circle side or the cylindrical side of iron core (1).
4. screw propulsion travelling-magnetic-field motor according to claim 1, is characterized in that: described field element (3) adopts permanent magnet or winding excitation.
5. screw propulsion travelling-magnetic-field motor according to claim 1, is characterized in that: described all windings (2) are divided into three-phase.
6. want the screw propulsion travelling-magnetic-field motor described in 5 according to right, it is characterized in that: the side-play amount of described field element (3) on adjacent two bar shaped teeth (4) is 2/3rds of axial poles distance, so that 120 ° of the electromotive force phase differences of adjacent winding (2).
7. screw propulsion travelling-magnetic-field motor according to claim 1, it is characterized in that: also comprise mover, mover is arranged on a side with bar shaped tooth (4), that is: in the time that bar shaped tooth (4) is arranged on the inner side of iron core (1), mover is arranged on the inner side of iron core (1); In the time that bar shaped tooth (4) is arranged on the outside of iron core (1), mover is arranged on the outside of iron core (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410438997.9A CN104167898B (en) | 2014-08-29 | 2014-08-29 | A kind of screw propulsion travelling-magnetic-field motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410438997.9A CN104167898B (en) | 2014-08-29 | 2014-08-29 | A kind of screw propulsion travelling-magnetic-field motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104167898A true CN104167898A (en) | 2014-11-26 |
| CN104167898B CN104167898B (en) | 2016-08-17 |
Family
ID=51911591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410438997.9A Expired - Fee Related CN104167898B (en) | 2014-08-29 | 2014-08-29 | A kind of screw propulsion travelling-magnetic-field motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104167898B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852549A (en) * | 2015-05-28 | 2015-08-19 | 东南大学 | Linear rotation permanent magnet actuator adopting staggered pole structure |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019217527A1 (en) * | 2019-11-13 | 2021-05-20 | Fertigungsgerätebau Adolf Steinbach GmbH & Co. KG | Drive unit for generating a translational movement |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1396692A (en) * | 1971-02-11 | 1975-06-04 | Univ North Wales | Synchronous linear electric motor |
| CN1069370A (en) * | 1992-06-15 | 1993-02-24 | 宁波大学 | Helix type linear step motor |
| CN1111415A (en) * | 1994-09-29 | 1995-11-08 | 东方电机株式会社 | Linear motor |
| JPH08237933A (en) * | 1995-02-28 | 1996-09-13 | Oriental Motor Co Ltd | Linear motor |
| JPH10257751A (en) * | 1997-03-12 | 1998-09-25 | Ckd Corp | Motor and output apparatus providing the same motor |
| KR20010055264A (en) * | 1999-12-10 | 2001-07-04 | 구자홍 | Rotary/linear induction motor |
| CN1711669A (en) * | 2002-11-05 | 2005-12-21 | 横滨Tlo株式会社 | Spiral linear motor |
| CN101552512A (en) * | 2008-12-19 | 2009-10-07 | 杨士平 | Screw motor |
| CN101789646A (en) * | 2010-01-13 | 2010-07-28 | 河南理工大学 | Multivariant linear arc-shaped motor |
| CN201846217U (en) * | 2010-11-11 | 2011-05-25 | 东南大学 | Linear rotating permanent magnetic actuator |
| CN102290960A (en) * | 2011-08-25 | 2011-12-21 | 哈尔滨工业大学 | Cylindrical linear reluctance motor with permanent magnet offset structure |
-
2014
- 2014-08-29 CN CN201410438997.9A patent/CN104167898B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1396692A (en) * | 1971-02-11 | 1975-06-04 | Univ North Wales | Synchronous linear electric motor |
| CN1069370A (en) * | 1992-06-15 | 1993-02-24 | 宁波大学 | Helix type linear step motor |
| CN1111415A (en) * | 1994-09-29 | 1995-11-08 | 东方电机株式会社 | Linear motor |
| JPH08237933A (en) * | 1995-02-28 | 1996-09-13 | Oriental Motor Co Ltd | Linear motor |
| JPH10257751A (en) * | 1997-03-12 | 1998-09-25 | Ckd Corp | Motor and output apparatus providing the same motor |
| KR20010055264A (en) * | 1999-12-10 | 2001-07-04 | 구자홍 | Rotary/linear induction motor |
| CN1711669A (en) * | 2002-11-05 | 2005-12-21 | 横滨Tlo株式会社 | Spiral linear motor |
| CN101552512A (en) * | 2008-12-19 | 2009-10-07 | 杨士平 | Screw motor |
| CN101789646A (en) * | 2010-01-13 | 2010-07-28 | 河南理工大学 | Multivariant linear arc-shaped motor |
| CN201846217U (en) * | 2010-11-11 | 2011-05-25 | 东南大学 | Linear rotating permanent magnetic actuator |
| CN102290960A (en) * | 2011-08-25 | 2011-12-21 | 哈尔滨工业大学 | Cylindrical linear reluctance motor with permanent magnet offset structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852549A (en) * | 2015-05-28 | 2015-08-19 | 东南大学 | Linear rotation permanent magnet actuator adopting staggered pole structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104167898B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8089192B2 (en) | Three-phase square-wave permanent magnet brushless DC motor | |
| CN102290945B (en) | Transverse magnetic flux multi-phase reluctance motor | |
| CN105245073B (en) | Stator permanent magnetic type double-salient-pole disc type electric machine | |
| US20140070651A1 (en) | Brushless, ironless stator, single coil motor without laminations | |
| US8853894B2 (en) | Cylindrical linear motor having low cogging forces | |
| CN203135665U (en) | Disc-type three-phase brushless permanent-magnetic DC motor | |
| CN107546946B (en) | M-phase stator winding switch reluctance motor, driving method and pole changing method | |
| CN103715945A (en) | 12/14 bearingless permanent magnet biased switched reluctance motor | |
| WO2016004823A1 (en) | Stator, brushless direct current motor, three-phase switch reluctance motor and shaded pole motor | |
| CN104852549A (en) | Linear rotation permanent magnet actuator adopting staggered pole structure | |
| CN104158361A (en) | Rudder-shaped stator double-rotor permanent magnet generator | |
| CN102522865B (en) | Multi-stator arc linear motor capable of reducing torque fluctuation | |
| CN104836413B (en) | The permanent-magnetism linear motor of low-thrust pulsation | |
| CN102227092A (en) | Permanent magnet motor | |
| CN202068306U (en) | Three-phase permanent magnetic servo motor with void slot structure | |
| CN104167898A (en) | Spiral-propelling traveling-wave magnetic-field motor | |
| CN203734393U (en) | Stator permanent magnet mixture stepping electromotor | |
| CN108599501A (en) | A kind of axial direction single-degree-of-freedom induction-type bearingless motor | |
| CN102361385A (en) | Brushless direct current motor | |
| CN102868246B (en) | High-capacity low-speed permanent-magnet wind-driven generator | |
| CN102255471A (en) | Linear switch magnetic flux permanent magnet motor with low location force and high thrust | |
| RU2599056C1 (en) | High-speed multi-phase synchronous generator | |
| CN202068307U (en) | Three-phase permanent-magnetic servo electric motor | |
| CN102969816A (en) | Automobile three-phase short-chord winding permanent alternating current (AC) generator | |
| CN203312945U (en) | Permanent magnetic rotor of three-phase asynchronous motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20200829 |