CN103762766A - Permanent-magnet hybrid magnetic circuit drive motor of electric vehicle - Google Patents
Permanent-magnet hybrid magnetic circuit drive motor of electric vehicle Download PDFInfo
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- CN103762766A CN103762766A CN201410053206.0A CN201410053206A CN103762766A CN 103762766 A CN103762766 A CN 103762766A CN 201410053206 A CN201410053206 A CN 201410053206A CN 103762766 A CN103762766 A CN 103762766A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The invention provides a permanent-magnet hybrid magnetic circuit drive motor of an electric vehicle, and belongs to the technical field of vehicle motor electric appliances. The permanent-magnet hybrid magnetic circuit drive motor of the electric vehicle is composed of a front end cover, a rear end cover, a motor case, a rotor and a stator. Tile permanent magnet steel is fixed to a rotor iron core through a screw via a pole shoe, and rectangular permanent magnet steel is embedded into the rotor iron core, so that a rotor magnetic bypass structure is achieved, the permanent magnet steel is effectively prevented from generating irreversible demagnetization under over-high temperature or under the armature reaction action of impact currents, and the permanent magnet steel does not lose magnetism. A rotor magnetic field of the drive motor is provided by a radial magnetic field and a tangential magnetic field together, the intensity of the magnetic field is large, the output power is high, no electro-magnetic winding is needed, power consumption is little, no carbon brush or mechanical commutator is provided, the failure rate is low, and the permanent-magnet hybrid magnetic circuit drive motor has the advantages of being high in efficiency, high in power density, compact in structure, reliable in working and the like.
Description
Technical field
The invention provides a kind of electric automobile permanent magnetism mixed magnetic circuit drive motors, belong to electric motor of automobile technical field of electric appliances.
Background technology
Current and the matching used drive motors of electric automobile mostly adopts the direct current machine with carbon brush and mechanical commutator, although DC motor structure is simple, controllability is high, speed-regulating range width, control circuit is relatively simple, cost is lower, but because the magnetic field of direct-drive motor is produced by electric excitation winding, power consumption is many, power output is little, in addition owing to having carbon brush and mechanical commutator, not only limited the raising of drive motors overload capacity and speed, if long-play, often maintenance be certainly will need and carbon brush and commutator changed, therefore direct current machine energy consumption is large, failure rate is high, its serviceability needs further improvement.
Summary of the invention
The object of this invention is to provide one and can overcome above-mentioned defect, the magnetic field of drive motors is provided by permanent-magnet steel, few without electric excitation winding, power consumption, there is no the electric automobile permanent magnetism mixed magnetic circuit drive motors of carbon brush and mechanical commutator, failure rate is low, its technology contents is:
The electric automobile permanent magnetism mixed magnetic circuit drive motors being comprised of front end housing, rear end cap, casing, rotor, stator, is characterized in that: drive motors rotor is the p-m rotor of radial magnetic field and tangential magnetic field resultant magnetic field;
The p-m rotor of resultant magnetic field is by rotor core, axle, rectangle permanent-magnet steel, tile permanent-magnet steel, pole shoe, screw, iron rivet, tangential rectangular channel forms every magnetic air gap, on rotor core, be evenly equipped with the radially rectangular channel that even number runs through rotor core thickness, radially between the outer end of rectangular channel and the cylindrical of rotor core, there is the not connected component of 1.5mm, adjacent two, radially between the inner of rectangular channel, be provided with the tangential rectangular channel that runs through rotor core thickness every magnetic air gap, multiple tangential rectangular channels are all tangent with same circumference every magnetic air gap, and be not communicated with rectangular channel radially, the minimum range of connected component is not 1.5mm, adjacent two, radially in the middle of the outer end of rectangular channel, be provided with the circular hole that runs through rotor core thickness, the center of multiple circular holes is all on same circumference, the outer end of circular hole is 2 mm apart from the distance of rotor core cylindrical, the diameter of circular hole is greater than the diameter of screw, iron rivet is fixed in the circular hole of rotor core,
Tile permanent-magnet steel is that the extremely spaced mode of the N utmost point, S is fixed on by screw on the cylindrical of rotor core by pole shoe by convex surface, the center line of screw is crossing with the center line of iron rivet, the N utmost point of rectangle permanent-magnet steel is arranged in the radially rectangular channel of rotor core by the mode that is the N utmost point towards another adjacent sheet tile permanent-magnet steel concave surface successively by the S utmost point that towards tile permanent-magnet steel concave surface is the S utmost point, rectangle permanent-magnet steel, and rotor core is fitted on axle.
operation principle:when permanent magnet drive motor passes into by three-phase inverter after the three-phase alternating current of pulse-width modulation, drive motors stator produces a space rotating magnetic field, the magnetic field interaction that it and rotor permanent magnet steel produce, rotor produces the rotating torques consistent with stator winding rotating magnetic field direction, drive motors p-m rotor is rotated, and then drive electric automobile operation.
The present invention compared with prior art, tile permanent-magnet steel is fixed on rotor core by screw by pole shoe, rectangle permanent-magnet steel is embedded in rotor core, drive motors rotor field is provided jointly by radial magnetic field and tangential magnetic field, magnetic field intensity is large, and power output is high, and few without electric excitation winding, power consumption, there is no carbon brush and mechanical commutator, failure rate is low, there is the features such as high efficiency, high power density, compact conformation, reliable operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is rotor profiles figure embodiment illustrated in fig. 1.
In figure: 1, rear end cap 2, axle 3, rotor core 4, iron rivet 5, screw 6, tile permanent-magnet steel 7, pole shoe 8, casing 9, stator 10, tangential rectangular channel are every magnetic air gap 11, front end housing 12, rectangle permanent-magnet steel.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
The electric automobile permanent magnetism mixed magnetic circuit drive motors being comprised of front end housing 11, rear end cap 1, casing 8, rotor, stator 9, is characterized in that: drive motors rotor is the p-m rotor of radial magnetic field and tangential magnetic field resultant magnetic field;
The p-m rotor of resultant magnetic field is by rotor core 3, axle 2, rectangle permanent-magnet steel 12, tile permanent-magnet steel 6, pole shoe 7, screw 5, iron rivet 4, tangential rectangular channel forms every magnetic air gap 10, on rotor core 3, be evenly equipped with the radially rectangular channel that even number runs through rotor core 3 thickness, radially between the outer end of rectangular channel and the cylindrical of rotor core 3, there is the not connected component of 1.5mm, adjacent two, radially between the inner of rectangular channel, be provided with the tangential rectangular channel that runs through rotor core 3 thickness every magnetic air gap 10, multiple tangential rectangular channels are all tangent with same circumference every magnetic air gap 10, and be not communicated with rectangular channel radially, the minimum range of connected component is not 1.5mm, adjacent two, radially in the middle of the outer end of rectangular channel, be provided with the circular hole that runs through rotor core 3 thickness, the center of multiple circular holes is all on same circumference, the outer end of circular hole is 2 mm apart from the distance of rotor core 3 cylindricals, the diameter of circular hole is greater than the diameter of screw 5, iron rivet 4 is fixed in the circular hole of rotor core 3,
Tile permanent-magnet steel 6 is that the extremely spaced mode of the N utmost point, S is fixed on by screw 5 on the cylindrical of rotor core 3 by pole shoe 7 by convex surface, the center line of screw 5 is crossing with the center line of iron rivet 4, the N utmost point of rectangle permanent-magnet steel 12 is arranged in the radially rectangular channel of rotor core 3 by the mode that is the N utmost point towards another adjacent sheet tile permanent-magnet steel 6 concave surfaces successively by the S utmost point that towards tile permanent-magnet steel 6 concave surfaces is the S utmost point, rectangle permanent-magnet steel 12, and rotor core 3 is fitted on axle 2.
Claims (1)
1. an electric automobile permanent magnetism mixed magnetic circuit drive motors, is comprised of front end housing (11), rear end cap (1), casing (8), rotor, stator (9), it is characterized in that: drive motors rotor is the p-m rotor of radial magnetic field and tangential magnetic field resultant magnetic field;
The p-m rotor of resultant magnetic field is by rotor core (3), axle (2), rectangle permanent-magnet steel (12), tile permanent-magnet steel (6), pole shoe (7), screw (5), iron rivet (4), tangential rectangular channel forms every magnetic air gap (10), on rotor core (3), be evenly equipped with the radially rectangular channel that even number runs through rotor core (3) thickness, radially between the cylindrical of the outer end of rectangular channel and rotor core (3), there is the not connected component of 1.5mm, adjacent two, radially between the inner of rectangular channel, be provided with the tangential rectangular channel that runs through rotor core (3) thickness every magnetic air gap (10), multiple tangential rectangular channels are all tangent with same circumference every magnetic air gap (10), and be not communicated with rectangular channel radially, the minimum range of connected component is not 1.5mm, adjacent two, radially in the middle of the outer end of rectangular channel, be provided with the circular hole that runs through rotor core (3) thickness, the center of multiple circular holes is all on same circumference, the outer end of circular hole is 2mm apart from the distance of rotor core (3) cylindrical, the diameter of circular hole is greater than the diameter of screw (5), iron rivet (4) is fixed in the circular hole of rotor core (3),
Tile permanent-magnet steel (6) is that the extremely spaced mode of the N utmost point, S is fixed on the cylindrical of rotor core (3) by screw (5) by pole shoe (7) by convex surface, the center line of screw (5) is crossing with the center line of iron rivet (4), the N utmost point of rectangle permanent-magnet steel (12) is arranged in the radially rectangular channel of rotor core (3) by the mode that is the N utmost point towards another adjacent sheet tile permanent-magnet steel (6) concave surface successively by the S utmost point that towards tile permanent-magnet steel (6) concave surface is the S utmost point, rectangle permanent-magnet steel (12), and rotor core (3) is fitted on axle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410053206.0A CN103762766A (en) | 2014-02-18 | 2014-02-18 | Permanent-magnet hybrid magnetic circuit drive motor of electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410053206.0A CN103762766A (en) | 2014-02-18 | 2014-02-18 | Permanent-magnet hybrid magnetic circuit drive motor of electric vehicle |
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| CN103762766A true CN103762766A (en) | 2014-04-30 |
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| CN201410053206.0A Pending CN103762766A (en) | 2014-02-18 | 2014-02-18 | Permanent-magnet hybrid magnetic circuit drive motor of electric vehicle |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743254A (en) * | 2016-05-12 | 2016-07-06 | 张学义 | Electromagnetic and permanent magnet parallel magnetic circuit mixed excitation driving motor of electric automobile |
| CN105763011A (en) * | 2016-05-11 | 2016-07-13 | 山东理工大学 | Embedded bi-radial permanent magnet generator with vacuum pump |
| CN105762957A (en) * | 2016-05-11 | 2016-07-13 | 山东理工大学 | Built-in tangential and surface-mounted radial permanent magnet steel hub driving motor |
| CN105790474A (en) * | 2016-05-11 | 2016-07-20 | 山东理工大学 | Radial and built-in tangential permanent magnet steel drive motor for electric automobile |
| CN105790522A (en) * | 2016-05-11 | 2016-07-20 | 山东理工大学 | Production method for electromagnetic and permanent magnet parallel magnetic field mixed excitation generator rotor |
| CN105790471A (en) * | 2016-05-11 | 2016-07-20 | 山东理工大学 | Permanent magnet generator and vacuum pump integrating device |
| CN105790475A (en) * | 2016-05-11 | 2016-07-20 | 山东理工大学 | Built-in biradial permanent magnet steel combined-type magnetic field drive motor for electric automobile |
| CN105790476A (en) * | 2016-05-11 | 2016-07-20 | 山东理工大学 | Built-in tangential and radial permanent magnet steel combined-type magnetic pole drive motor for electric automobile |
| CN105811704A (en) * | 2016-05-11 | 2016-07-27 | 山东理工大学 | Composite permanent-magnet invisible magnetic pole and brushless electromagnetic hybrid excitation driving motor |
| CN105811680A (en) * | 2016-05-11 | 2016-07-27 | 山东理工大学 | Production method for rotor of hub driving motor equipped with surface-mounted radial and built-in tangential permanent magnetic steels |
| CN105811714A (en) * | 2016-05-12 | 2016-07-27 | 张学义 | Salient pole electromagnetic and built-in combined type permanent magnet hybrid excitation type driving motor for electric automobile |
| CN105811719A (en) * | 2016-05-11 | 2016-07-27 | 山东理工大学 | Radial and embedded tangential permanent-magnet steel hub driving motor of electric vehicle |
| CN105811679A (en) * | 2016-05-11 | 2016-07-27 | 山东理工大学 | Production method for rotor of hub driving motor with radial and built-in tangential permanent magnet steels |
| CN105915001A (en) * | 2016-05-13 | 2016-08-31 | 山东理工大学 | Biradial permanent magnet invisible magnetic pole and electromagnetic driving motor |
| CN105958779A (en) * | 2016-05-11 | 2016-09-21 | 山东理工大学 | Built-in double-radial permanent magnet steel drive motor for electric automobiles |
| CN105978253A (en) * | 2016-05-11 | 2016-09-28 | 山东理工大学 | Production method for driving motor rotor with embedded tangential and surface-mounted radial permanent magnet steel |
| CN106059143A (en) * | 2016-07-07 | 2016-10-26 | 洛阳中方实业有限公司 | Rotor structure of multi-coil brushless motor |
| CN107565726A (en) * | 2017-10-31 | 2018-01-09 | 电子科技大学中山学院 | Permanent magnet synchronous motor rotor structure for electric automobile |
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| CN101128969A (en) * | 2005-02-28 | 2008-02-20 | 大金工业株式会社 | Magnetic body, rotor, motor |
| CN102647065A (en) * | 2012-04-21 | 2012-08-22 | 山东理工大学 | Brushless electromagnetic hybrid-magnetic-circuit hybrid excitation generator |
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2014
- 2014-02-18 CN CN201410053206.0A patent/CN103762766A/en active Pending
Patent Citations (4)
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| US6087751A (en) * | 1997-07-01 | 2000-07-11 | Kabushiki Kaisha Toshiba | Reluctance type rotating machine with permanent magnets |
| CN101128969A (en) * | 2005-02-28 | 2008-02-20 | 大金工业株式会社 | Magnetic body, rotor, motor |
| CN101106290A (en) * | 2007-06-07 | 2008-01-16 | 鹤山市鹤龙机电有限公司 | A permanent magnetic synchronization motor |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811704A (en) * | 2016-05-11 | 2016-07-27 | 山东理工大学 | Composite permanent-magnet invisible magnetic pole and brushless electromagnetic hybrid excitation driving motor |
| CN105790476A (en) * | 2016-05-11 | 2016-07-20 | 山东理工大学 | Built-in tangential and radial permanent magnet steel combined-type magnetic pole drive motor for electric automobile |
| CN105958779A (en) * | 2016-05-11 | 2016-09-21 | 山东理工大学 | Built-in double-radial permanent magnet steel drive motor for electric automobiles |
| CN105790474A (en) * | 2016-05-11 | 2016-07-20 | 山东理工大学 | Radial and built-in tangential permanent magnet steel drive motor for electric automobile |
| CN105790522A (en) * | 2016-05-11 | 2016-07-20 | 山东理工大学 | Production method for electromagnetic and permanent magnet parallel magnetic field mixed excitation generator rotor |
| CN105790471A (en) * | 2016-05-11 | 2016-07-20 | 山东理工大学 | Permanent magnet generator and vacuum pump integrating device |
| CN105790475A (en) * | 2016-05-11 | 2016-07-20 | 山东理工大学 | Built-in biradial permanent magnet steel combined-type magnetic field drive motor for electric automobile |
| CN105978253A (en) * | 2016-05-11 | 2016-09-28 | 山东理工大学 | Production method for driving motor rotor with embedded tangential and surface-mounted radial permanent magnet steel |
| CN105762957A (en) * | 2016-05-11 | 2016-07-13 | 山东理工大学 | Built-in tangential and surface-mounted radial permanent magnet steel hub driving motor |
| CN105811680A (en) * | 2016-05-11 | 2016-07-27 | 山东理工大学 | Production method for rotor of hub driving motor equipped with surface-mounted radial and built-in tangential permanent magnetic steels |
| CN105811719A (en) * | 2016-05-11 | 2016-07-27 | 山东理工大学 | Radial and embedded tangential permanent-magnet steel hub driving motor of electric vehicle |
| CN105763011A (en) * | 2016-05-11 | 2016-07-13 | 山东理工大学 | Embedded bi-radial permanent magnet generator with vacuum pump |
| CN105811679A (en) * | 2016-05-11 | 2016-07-27 | 山东理工大学 | Production method for rotor of hub driving motor with radial and built-in tangential permanent magnet steels |
| CN105811714A (en) * | 2016-05-12 | 2016-07-27 | 张学义 | Salient pole electromagnetic and built-in combined type permanent magnet hybrid excitation type driving motor for electric automobile |
| CN105743254A (en) * | 2016-05-12 | 2016-07-06 | 张学义 | Electromagnetic and permanent magnet parallel magnetic circuit mixed excitation driving motor of electric automobile |
| CN105915001A (en) * | 2016-05-13 | 2016-08-31 | 山东理工大学 | Biradial permanent magnet invisible magnetic pole and electromagnetic driving motor |
| CN106059143A (en) * | 2016-07-07 | 2016-10-26 | 洛阳中方实业有限公司 | Rotor structure of multi-coil brushless motor |
| CN107565726A (en) * | 2017-10-31 | 2018-01-09 | 电子科技大学中山学院 | Permanent magnet synchronous motor rotor structure for electric automobile |
| CN107565726B (en) * | 2017-10-31 | 2024-01-23 | 重庆合众电气工业有限公司 | Permanent magnet synchronous motor rotor structure for electric automobile |
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Application publication date: 20140430 |