CN204103723U - Electric automobile permanent magnet hybrid magnetic path motor - Google Patents
Electric automobile permanent magnet hybrid magnetic path motor Download PDFInfo
- Publication number
- CN204103723U CN204103723U CN201420435489.0U CN201420435489U CN204103723U CN 204103723 U CN204103723 U CN 204103723U CN 201420435489 U CN201420435489 U CN 201420435489U CN 204103723 U CN204103723 U CN 204103723U
- Authority
- CN
- China
- Prior art keywords
- rotor core
- permanent
- magnet steel
- rotor
- magnetic field
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052799 carbon Inorganic materials 0.000 abstract description 6
- 230000005284 excitation Effects 0.000 abstract description 5
- 238000004804 winding Methods 0.000 abstract description 5
- 230000005347 demagnetization Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000002427 irreversible effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model provides a kind of electric automobile permanent magnet hybrid magnetic path motor, belongs to electric motor of automobile technical field of electric appliances.By front end housing, rear end cap, casing, rotor, stator forms, tile permanent-magnet steel is fixed on rotor core by pole shoe by screw, rectangle permanent-magnet steel is embedded in rotor core, this structure is rotor magnetic bypass structure, can effectively prevent permanent-magnet steel under excessive temperature or the armature reaction effect at impulse current, producing the problem of irreversible demagnetization, ensure permanent-magnet steel not loss of excitation, rotor magnetic field is provided jointly by radial magnetic field and tangential magnetic field, magnetic field intensity is large, power output is high, and without the need to electric excitation winding, power consumption is few, there is no carbon brush and mechanical commutator, failure rate is low, there is high efficiency, high power density, compact conformation, the features such as reliable operation.
Description
Technical field
The utility model provides a kind of electric automobile permanent magnet hybrid magnetic path motor, belongs to electric motor of automobile technical field of electric appliances.
Background technology
Current and the matching used motor 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 current machine is produced by electric excitation winding, power consumption is many, power output is little, in addition owing to there is carbon brush and mechanical commutator, not only limit the raising of motor overload ability and speed, if long-play, often maintenance certainly will be needed and change carbon brush and commutator, therefore direct current machine energy consumption is large, failure rate is high, its serviceability needs further improvement.
Summary of the invention
The purpose of this utility model is to provide one can overcome above-mentioned defect, the magnetic field of motor is provided by permanent-magnet steel, few without the need to electric excitation winding, power consumption, there is no the electric automobile permanent magnet hybrid magnetic path motor of carbon brush and mechanical commutator, failure rate is low, its technology contents is: the electric automobile permanent magnet hybrid magnetic path motor be made up of front end housing, rear end cap, casing, rotor, stator, is characterized in that: 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, rotor core is evenly equipped with the radial rectangular channel that even number runs through rotor core thickness, the not connected component of 1.5mm is had between the outer end of radial rectangular channel and the cylindrical of rotor core, be provided with between the inner of adjacent two radial rectangular channels run through rotor core thickness tangential rectangular channel every magnetic air gap, multiple tangential rectangular channel is all tangent with same circumference every magnetic air gap, and be not communicated with radial rectangular channel, the minimum range of connected component is not 1.5mm, the circular hole running through rotor core thickness is provided with in the middle of the outer end of adjacent two radial rectangular channels, the center of multiple circular hole is all circumferentially same, the distance of the outer end distance rotor core cylindrical of circular hole is 2 mm, 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 N pole, S is fixed on the cylindrical of rotor core by pole shoe by screw by convex surface, the center line of screw is crossing with the center line of iron rivet, the N pole of rectangle permanent-magnet steel by be S pole towards tile permanent-magnet steel concave surface, the S pole of rectangle permanent-magnet steel is arranged in the radial rectangular channel of rotor core successively by the mode being N pole towards another adjacent sheet tile permanent-magnet steel concave surface, rotor core is fitted on axle.
Operation principle: when magneto passes into by three-phase inverter after the three-phase alternating current of pulse-width modulation, motor 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, motor permanent magnetic rotor is rotated, and then drives electric automobile to run.
The utility model compared with prior art, tile permanent-magnet steel is fixed on rotor core by pole shoe by screw, rectangle permanent-magnet steel is embedded in rotor core, rotor magnetic 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 the need to 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 utility model embodiment.
Fig. 2 is the rotor profiles figure of Fig. 1 illustrated embodiment.
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 utility model is described in further detail: the electric automobile permanent magnet hybrid magnetic path motor be made up of front end housing 11, rear end cap 1, casing 8, rotor, stator 9, is characterized in that: 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, rotor core 3 is evenly equipped with the radial rectangular channel that even number runs through rotor core 3 thickness, the not connected component of 1.5mm is had between the outer end of radial rectangular channel and the cylindrical of rotor core 3, be provided with between the inner of adjacent two radial rectangular channels run through rotor core 3 thickness tangential rectangular channel every magnetic air gap 10, multiple tangential rectangular channel is all tangent with same circumference every magnetic air gap 10, and be not communicated with radial rectangular channel, the minimum range of connected component is not 1.5mm, the circular hole running through rotor core 3 thickness is provided with in the middle of the outer end of adjacent two radial rectangular channels, the center of multiple circular hole is all circumferentially same, the distance of outer end distance rotor core 3 cylindrical of circular hole is 2 mm, 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 N pole, S is fixed on the cylindrical of rotor core 3 by pole shoe 7 by screw 5 by convex surface, the center line of screw 5 is crossing with the center line of iron rivet 4, the N pole of rectangle permanent-magnet steel 12 by be S pole towards tile permanent-magnet steel 6 concave surface, the S pole of rectangle permanent-magnet steel 12 is arranged in the radial rectangular channel of rotor core 3 by the mode being N pole towards another adjacent sheet tile permanent-magnet steel 6 concave surface successively, rotor core 3 is fitted on axle 2.
Claims (1)
1. an electric automobile permanent magnet hybrid magnetic path motor, is made up of front end housing (11), rear end cap (1), casing (8), rotor, stator (9), it is characterized in that: 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), rotor core (3) is evenly equipped with the radial rectangular channel that even number runs through rotor core (3) thickness, the not connected component of 1.5mm is had between the outer end of radial rectangular channel and the cylindrical of rotor core (3), be provided with between the inner of adjacent two radial rectangular channels run through rotor core (3) thickness tangential rectangular channel every magnetic air gap (10), multiple tangential rectangular channel is all tangent with same circumference every magnetic air gap (10), and be not communicated with radial rectangular channel, the minimum range of connected component is not 1.5mm, the circular hole running through rotor core (3) thickness is provided with in the middle of the outer end of adjacent two radial rectangular channels, the center of multiple circular hole is all circumferentially same, the distance of outer end distance rotor core (3) cylindrical of circular hole is 2mm, 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 N pole, S is fixed on the cylindrical of rotor core (3) by pole shoe (7) by screw (5) by convex surface, the center line of screw (5) is crossing with the center line of iron rivet (4), the N pole of rectangle permanent-magnet steel (12) by be S pole towards tile permanent-magnet steel (6) concave surface, the S pole of rectangle permanent-magnet steel (12) is arranged in the radial rectangular channel of rotor core (3) by the mode being N pole towards another adjacent sheet tile permanent-magnet steel (6) concave surface successively, rotor core (3) is fitted on axle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420435489.0U CN204103723U (en) | 2014-08-04 | 2014-08-04 | Electric automobile permanent magnet hybrid magnetic path motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420435489.0U CN204103723U (en) | 2014-08-04 | 2014-08-04 | Electric automobile permanent magnet hybrid magnetic path motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204103723U true CN204103723U (en) | 2015-01-14 |
Family
ID=52272123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420435489.0U Expired - Fee Related CN204103723U (en) | 2014-08-04 | 2014-08-04 | Electric automobile permanent magnet hybrid magnetic path motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204103723U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743255A (en) * | 2016-05-13 | 2016-07-06 | 山东理工大学 | Production method of electric automobile embedded tangential magnetic field permanent magnet steel driving motor rotor |
| 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 |
-
2014
- 2014-08-04 CN CN201420435489.0U patent/CN204103723U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105743255A (en) * | 2016-05-13 | 2016-07-06 | 山东理工大学 | Production method of electric automobile embedded tangential magnetic field permanent magnet steel driving motor rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20180804 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |