CN101359862B - Permanent magnetic synchronous motor having single electricity port and dual mechanical port of same speed in reversed direction - Google Patents
Permanent magnetic synchronous motor having single electricity port and dual mechanical port of same speed in reversed direction Download PDFInfo
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- CN101359862B CN101359862B CN2008100134405A CN200810013440A CN101359862B CN 101359862 B CN101359862 B CN 101359862B CN 2008100134405 A CN2008100134405 A CN 2008100134405A CN 200810013440 A CN200810013440 A CN 200810013440A CN 101359862 B CN101359862 B CN 101359862B
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Abstract
Disclosed is a permasyn motor with a single charge port and a same speed reverse direction double machine ports, which relates to an electric motor of an underwater vehicle counter-rotating propellers propulsion system. A solid shaft and a hollow shaft of the permasyn motor are concentric; the left end of the solid shaft is provided with an inner rotating shaft fore bearing, a rotor front end cover, an outer rotating fore bearing, the hollow shaft, a shell bearing and a shell bearing front end cover from inside to outside sequentially; a connecting piece penetrates through the middle of a stator which is used for fastening a silicon-steel sheet of the stator; and the left end of the connecting piece is fixed on the rotor front end cover, and the right end is fixed on a rotor rear end cover. The permasyn motor has the advantages that an inner rotor and an outer rotor are adopted to directly drive counter-rotating propellers (blade elevation angles are reverse), so that the two propellers can mutually counteract the rotary moments generated in the circumferential direction when generating a propulsive force so as to effectively avoid the side roll of the underwater vehicle, thereby guaranteeing the advancing gesture and improving the operating efficiency of a system.
Description
Technical field
The present invention relates to a kind of motor that is used for the submarine navigation device crp propulsion system, particularly a kind of permagnetic synchronous motor with single electricity port and dual mechanical port of same speed in reversed direction.
Background technology
At present, known submarine navigation device crp propulsion motor is the double-rotor direct current motor, and this kind motor needs two cover brush and slip ring structures, and this makes the reliability of motor reduce, and mechanical volume, weight, maintenance difficulties and cost increase.
Summary of the invention
Carry out the deficiency of motor as submarine navigation device in order to overcome existing double-rotor direct current motor, the invention provides a kind of permagnetic synchronous motor with single electricity port and dual mechanical port of same speed in reversed direction, this motor removes to have saved brush and slip-ring device, guaranteeing to have realized non-brushing when output is with fast incorgruous rotating torques, improved the overall performance of submarine navigation device propulsion system.
The permagnetic synchronous motor with single electricity port and dual mechanical port of same speed in reversed direction that the present invention proposes, single electricity port intention frequency converter are only to a cover winding power supply, and dual mechanical port is two rotor independence of a motor output mechanical power.
The present invention adopts following technical scheme: this permagnetic synchronous motor comprises stator, interior p-m rotor, outer p-m rotor, hollow shaft, solid shafting, stator front end housing, stator rear end cap, external rotor rear end cap, casing front end housing, casing rear end lid, bearing, fore bearing end cap, casing and external connection hole etc.Wherein solid shafting and hollow shaft are concentric, the solid shafting left end is equipped with interior rotating shaft fore bearing, stator front end housing, outer shaft fore bearing, hollow shaft from inside to outside successively, the casing bearing, casing bearing front end housing, the solid shafting right-hand member is equipped with interior rotating shaft rear bearing, stator rear end cap, outer shaft rear bearing, external rotor rear end cap, casing rear end lid from inside to outside successively, and the solid shafting middle part vertically is equipped with interior p-m rotor, stator, outer p-m rotor and casing from inside to outside successively.Interior p-m rotor is fixed on the solid shafting, is installed with a connector in the middle of the stator, plays the effect of fastening stator silicon steel sheet, and this connector left end is fixed on the stator front end housing, and right-hand member is fixed on the stator rear end cap.The stator rear end cap is provided with an external connection hole near the bearing place, directly power to the stator winding of inside by this hole frequency converter, outer p-m rotor left end links to each other with hollow shaft, right-hand member links to each other with the outer shaft rear end cap, stator and outer p-m rotor are owing to adopted the fixing mode in two ends, the mechanical stability when strengthening the motor operation.
Described motor stator inner round wall and cylindrical wall are evenly slotted, embed the ring-like intersection stator winding of SF single feed, choose any two phase windings in the winding that stator inner side slot and outer side slot embed, the ring-like intersection stator winding of SF single feed be from cylindrical wall groove through stator end around to the inner round wall groove, form the ring-like intersection stator winding of SF single feed in stator end cross exchanged position.Internal and external circumference is evenly opened radial slot, embeds the ring-like staggered form threephase stator of SF single feed winding.It is shorter that Circular Winding is compared traditional winding overhang, and the big motor in the not a half footpath of number of poles has especially improved the utilance of winding like this, has reduced end leakage reactance, and whole motor properties is improved.Choose any two phase windings in the winding that stator inner side slot and outer side slot embed, in their positions of stator end cross exchanged, make that the phase sequence of inboard winding and outside winding is opposite, when feeding one group of alternating current, can produce the same speed in reversed direction rotating magnetic field respectively at inboard air gap of rotor and outside air gap, thereby drive the rotor counter-rotating, again because this motor stator both sides winding number of poles is identical, then the inboard air gap of stator is opposite with outside air-gap field rotary speed equidirectional, so interior p-m rotor is opposite with outer p-m rotor rotary speed equidirectional, and the mechanical output that two rotors are exported also can be inequality.Inner and outer rotors adopts permanent magnetism dignity subsides formulas (or plug-in type) structure, and single-ended concentric type cross-compound arrangement is adopted in the machinery output of two rotors.
The invention has the beneficial effects as follows: adopt inside and outside two rotors directly to drive co-axial contra rotating propeller (rake angle is opposite), this can make two screws when producing propulsive force, the turning moment that the circumferencial direction of cancelling each other produces, thereby effectively avoided the phenomenon of sidewindering of submarine navigation device, guarantee the attitude of advancing of aircraft, improved the operational efficiency of system.Realized the non-brushing of submarine navigation device crp propulsion system with double-rotor machine, simplified the mechanical structure that is applied to double-rotor direct current motor in this field, improved reliability of operation, when one group of three-phase symmetrical alternating current of feed-in electricity is the machine torque of exportable two identical switched in opposite of rotating speed, and can regulate the speed that twin screw is rotated accurately by frequency converter, continued the advantage of this kind electromotor no axis to moment, had permanent magnet synchronous motor efficient height simultaneously concurrently, the torque density advantages of higher.
Description of drawings
Fig. 1 is an electric machine structure schematic diagram of the present invention;
Fig. 2 is the ring-like intersection winding overhang of a motor stator of the present invention line schematic diagram:
The incorgruous rotating magnetic field distribution map that Fig. 3 is produced for the ring-like intersection winding of motor stator SF single feed of the present invention:
(a) the incorgruous rotating magnetic field distribution map that the ring-like intersection winding of stator SF single feed is produced current phase ω t=0 ° the time
(b) the incorgruous rotating magnetic field distribution map that the ring-like intersection winding of stator SF single feed is produced current phase ω t=30 ° the time
(c) the incorgruous rotating magnetic field distribution map that the ring-like intersection winding of stator SF single feed is produced current phase ω t=60 ° the time
(d) the incorgruous rotating magnetic field distribution map that the ring-like intersection winding of stator SF single feed is produced current phase ω t=90 ° the time
(e) the incorgruous rotating magnetic field distribution map that the ring-like intersection winding of stator SF single feed is produced current phase ω t=120 ° the time
(f) the incorgruous rotating magnetic field distribution map that the ring-like intersection winding of stator SF single feed is produced current phase ω t=150 ° the time
Among Fig. 1: 1 casing, 2 solid shaftings, 3 hollow shafts, 4 stator front end housings, 5 casing bearing front end housings, 6 interior p-m rotors, 7 internal rotor permanent-magnetic bodies, 8 stators, 9 casing front end housings, 10 stator connectors, 11 external rotor permanent magnet bodies, 12 outer p-m rotors, 13 external fixator, 14 casing rear ends lid, 15 external rotor rear end caps, 16 stator rear end caps, 17 external connection holes, 18 outer shaft rear bearings, 19 casing bearings, 20 external rotor fore bearings, 21 internal rotor fore bearings, 22 interior rotating shaft rear bearings.
Embodiment
Below in conjunction with accompanying drawing motor of the present invention is described in further details.
As shown in Figure 1, electric machine structure schematic diagram of the present invention, solid shafting 2 and hollow shaft 3 are concentric, solid shafting 2 left ends are equipped with interior rotating shaft fore bearing 21 from inside to outside successively, stator front end housing 4, outer shaft fore bearing 20, hollow shaft 3, casing bearing 19, casing bearing front end housing 5, solid shafting 2 right-hand members are installed as interior rotating shaft rear bearing 22 from inside to outside successively, stator rear end cap 16, outer shaft rear bearing 18, external rotor rear end cap 15, casing rear end lid 14, p-m rotor 6 in the solid shafting middle part vertically is equipped with from inside to outside successively, stator 8, outer p-m rotor 12 and casing 1, interior p-m rotor 6 is fixed on the solid shafting 2, be installed with a connector 10 in the middle of the stator 8, this connector 10 plays the effect of fastening stator silicon steel sheet, these connector 10 left ends are assemblied on the stator front end housing 4, right-hand member is assemblied on the stator rear end cap 16, stator rear end cap 16 is provided with an external connection hole 17 near the bearing place, directly powers to the stator winding of inside by this hole frequency converter.Outer p-m rotor 12 left ends link to each other with hollow shaft 3 by screw, and right-hand member links to each other with outer shaft rear end cap 15 by screw.Stator 8, stator front end housing 4, stator rear end cap 16 and the stator connector 10 common structures of forming stator system, hollow shaft 3, outer p-m rotor 12 and the external rotor rear end cap 15 common structures of forming the external rotor rotary system.Interior p-m rotor 6 and the solid shafting 2 common structures of forming the internal rotor rotary system, solid shafting 2 is longer than hollow shaft 3.
Between internal rotor rotary system and static stator system, place internal rotor fore bearing 21 and interior rotating shaft rear bearing 22 respectively; Between static stator system and external rotor rotary system, place outer shaft fore bearing 20 and outer shaft rear bearing 18 respectively; Two groups of bearing arrangements are separated internal rotor rotary system, static stator system and external rotor rotary system dexterously, guaranteed independent separately stable operation, it is the key that realizes dual mechanical port output, in addition, the casing bearing between external rotor rotary system and casing 4 has played the effect of supporting and locate the external rotor rotary system.
Because stator and external rotor rotary system all adopt the fixing structure of two groups of bearings both-ends, this makes the stability of motor integral body obtain great lifting, can make the bigger power of motor output, and can expand the application of this motor in stable operation under the high rotational speed.
Fig. 2 is the ring-like intersection winding overhang of a stator line schematic diagram, with 6 utmost points, 36 groove motors is example, the ring-like intersection winding overhang of this motor wiring of having drawn, A-X among the figure, B-Y, C-Z is respectively the joint of three phase windings, upper strata groove and lower floor's groove are respectively the fluting on stator inner round wall surface and the fluting of cylindrical wall surface, as can be seen from the figure, the ring-like intersection stator winding of SF single feed be from cylindrical wall groove through stator end around to the inner round wall groove, B in upper strata groove and the lower floor's groove and C phase winding are in cross exchanged position, stator end place, this makes that the winding phase sequence is opposite in upper strata groove and the lower floor's groove, and just the winding phase sequence in stator inner round wall and the cylindrical wall groove is opposite.When one group of three-phase symmetrical alternating current electricity of feed-in, in the air gap of stator both sides, can produce two incorgruous magnetic fields like this, thereby drive two rotors from mouthful incorgruous torque of output of two machineries with the speed rotation.
The incorgruous rotating magnetic field distribution map that Fig. 3 is produced for the ring-like intersection winding of stator SF single feed.With 6 utmost point motors is example, when stator winding feeds the three-phase symmetrical current, change with current phase (or time), the magnetic direction (short and thick arrow) that produces in the stator inboard is to turn clockwise, and the magnetic direction (elongated arrow) that the stator outside produces to be being rotated counterclockwise, and the rotary speed of two rotating magnetic fields is identical.
Claims (2)
1. permagnetic synchronous motor with single electricity port and dual mechanical port of same speed in reversed direction, comprise stator (8), interior p-m rotor (6), outer p-m rotor (12), hollow shaft (3), solid shafting (2), stator front end housing (4), stator rear end cap (16), external rotor rear end cap (15), casing front end housing (9), casing rear end lid (14), bearing, fore bearing end cap (5), casing (1) and external connection hole (17), it is characterized in that described solid shafting (2) and described hollow shaft (3) are concentric, solid shafting (2) left end is equipped with interior rotating shaft fore bearing (21) from inside to outside successively, stator front end housing (4), outer shaft fore bearing (20), hollow shaft (3), casing bearing (19) and casing bearing front end housing (5), solid shafting (2) right-hand member is equipped with interior rotating shaft rear bearing (22) from inside to outside successively, stator rear end cap (16), outer shaft rear bearing (18), external rotor rear end cap (15) and casing rear end lid (14), solid shafting (2) middle part vertically is equipped with interior p-m rotor (6) from inside to outside successively, stator (8), outer p-m rotor (12) and casing (1), described interior p-m rotor (6) is fixed on the solid shafting (2); Be installed with a connector (10) in the middle of the described stator (8), this connector (10) left end is fixed on the stator front end housing (4), and right-hand member is fixed on the stator rear end cap (16); Described outer p-m rotor (12) left end links to each other with hollow shaft (3), and right-hand member links to each other with outer shaft rear end cap (15); Described stator (8) inner round wall and cylindrical wall are evenly slotted, and embed the ring-like intersection threephase stator of SF single feed winding; The ring-like intersection stator winding of described SF single feed be from cylindrical wall groove through stator end around to the inner round wall groove, choose any two phase windings in the winding that stator (8) inner side slot and outer side slot embed, form the ring-like intersection stator winding of SF single feed at stator (8) end portions cross transposition.
2. a kind of permagnetic synchronous motor according to claim 1 with single electricity port and dual mechanical port of same speed in reversed direction, the A phase winding that it is characterized in that the ring-like intersection threephase stator of described SF single feed winding from stator cylindrical wall groove through stator end around to corresponding stator inner round wall groove, winding is in cross exchanged position, stator end place, so that the winding phase sequence of three phase windings in stator inner round wall groove and cylindrical wall groove is opposite in the inside and outside circle wall groove of B phase winding and C phase winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100134405A CN101359862B (en) | 2008-09-27 | 2008-09-27 | Permanent magnetic synchronous motor having single electricity port and dual mechanical port of same speed in reversed direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100134405A CN101359862B (en) | 2008-09-27 | 2008-09-27 | Permanent magnetic synchronous motor having single electricity port and dual mechanical port of same speed in reversed direction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101359862A CN101359862A (en) | 2009-02-04 |
| CN101359862B true CN101359862B (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100134405A Expired - Fee Related CN101359862B (en) | 2008-09-27 | 2008-09-27 | Permanent magnetic synchronous motor having single electricity port and dual mechanical port of same speed in reversed direction |
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| Country | Link |
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| CN (1) | CN101359862B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018054483A1 (en) * | 2016-09-23 | 2018-03-29 | Siemens Aktiengesellschaft | Aircraft turbine having counter-rotating propellers |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102025238A (en) * | 2010-11-05 | 2011-04-20 | 中国船舶重工集团公司第七0七研究所 | Novel limited rotating angle direct-current moment motor |
| CN102710097B (en) * | 2012-06-01 | 2014-06-11 | 一汽海马汽车有限公司 | Stepless speed change transmission mechanism |
| CA2885351A1 (en) * | 2012-09-20 | 2014-03-27 | Sang-Kyu Sun | Power generator |
| CN103401397B (en) * | 2013-07-16 | 2016-06-08 | 胡晋青 | Automatic gearbox |
| WO2015096105A1 (en) * | 2013-12-26 | 2015-07-02 | 卢敏 | Dual-rotor magnetic permeance harmonic type ac permanent magnetic composite motor |
| CN108429422B (en) * | 2018-05-03 | 2024-03-22 | 包头天工电机有限公司 | Hub permanent magnet synchronous motor |
| CN108847765B (en) * | 2018-08-14 | 2024-03-22 | 青岛海研电子有限公司 | Magnetic coupling propeller and control method thereof |
| CN110299815B (en) * | 2019-07-01 | 2021-06-11 | 东南大学 | Coaxial dual-rotor variable-speed electromagnetic driver |
| CN112583221A (en) * | 2020-12-01 | 2021-03-30 | 西北工业大学 | High-power differential counter-rotating motor for underwater vehicle |
| CN112838728B (en) * | 2020-12-30 | 2023-02-28 | 顺丰科技有限公司 | Birotor permanent magnet synchronous motor and working method thereof |
| CN113890298B (en) * | 2021-09-22 | 2023-02-28 | 苏州永捷电机有限公司 | Double-torque brushless motor |
| CN117977883B (en) * | 2024-04-01 | 2024-06-04 | 西北工业大学 | Underwater counter-rotating motor with self-adaptive cooling function and underwater equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1082262A (en) * | 1992-06-20 | 1994-02-16 | 何均恪 | Dual-magnetic electric machine |
-
2008
- 2008-09-27 CN CN2008100134405A patent/CN101359862B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1082262A (en) * | 1992-06-20 | 1994-02-16 | 何均恪 | Dual-magnetic electric machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018054483A1 (en) * | 2016-09-23 | 2018-03-29 | Siemens Aktiengesellschaft | Aircraft turbine having counter-rotating propellers |
| CN109790799A (en) * | 2016-09-23 | 2019-05-21 | 西门子股份公司 | The aeroturbine of propeller with reverse rotation |
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| Publication number | Publication date |
|---|---|
| CN101359862A (en) | 2009-02-04 |
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Granted publication date: 20110831 Termination date: 20120927 |