CN204103723U - Electric automobile permanent magnet hybrid magnetic path motor - Google Patents

Electric automobile permanent magnet hybrid magnetic path motor Download PDF

Info

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
Application number
CN201420435489.0U
Other languages
Chinese (zh)
Inventor
黄顺维
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HENAN CHAOWEI ELECTRIC AUTOMOBILE CO Ltd
Original Assignee
HENAN CHAOWEI ELECTRIC AUTOMOBILE CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HENAN CHAOWEI ELECTRIC AUTOMOBILE CO Ltd filed Critical HENAN CHAOWEI ELECTRIC AUTOMOBILE CO Ltd
Priority to CN201420435489.0U priority Critical patent/CN204103723U/en
Application granted granted Critical
Publication of CN204103723U publication Critical patent/CN204103723U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/64Electric machine technologies in electromobility

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

Electric automobile permanent magnet hybrid magnetic path motor
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).
CN201420435489.0U 2014-08-04 2014-08-04 Electric automobile permanent magnet hybrid magnetic path motor Expired - Fee Related CN204103723U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN103762766A (en) Permanent-magnet hybrid magnetic circuit drive motor of electric vehicle
CN103762765A (en) Tangential and radial resultant magnetic field embedded permanent magnet rotor driving motor
CN103944336A (en) Hub drive motor with radial and tangential permanent magnet steel embedded in rotor
CN103887948A (en) Built-in permanent magnet steel hub driving motor of electric vehicle
CN103887936A (en) Production method for hub motor rotor with embedded radial permanent magnet steel and embedded tangential permanent magnet steel
CN103780028A (en) Method for producing permanent magnet rotor of hybrid magnetic circuit of driving motor of electric car
CN103887947A (en) Built-in tangential permanent magnet steel hub driving motor of electric vehicle
CN105958779A (en) Built-in double-radial permanent magnet steel drive motor for electric automobiles
CN103746483A (en) Built-in permanent magnet rotor driving motor of electric automobile
CN204103723U (en) Electric automobile permanent magnet hybrid magnetic path motor
CN103532268B (en) With the permanent magnet generator of vacuum pump
CN105978279A (en) Rare-earth permanent magnetic driving motor embedded with tangential and radial synthesis magnetic field
CN105790476A (en) Built-in tangential and radial permanent magnet steel combined-type magnetic pole drive motor for electric automobile
CN103501092B (en) Vehicle electric exciting brushless generator
CN103887946A (en) Invisible magnetic pole hub motor of electric vehicle
CN103762810A (en) Hidden magnetic pole rare-earth permanent magnet drive motor for electric automobile
CN105958774B (en) Surface Mount radial direction and embedded tangential permanent magnet steel driving motor
CN105743247A (en) Electric automobile combined-type permanent magnet pole wheel hub driving motor
CN105914993A (en) Electric automobile combined magnetic pole and invisible magnetic pole driving motor
CN105811623A (en) Permanent magnet driving motor with built-in combined type radial and tangential magnetic fields
CN105811712A (en) Permanent magnet driving motor equipped with built-in radial and tangential combined type magnetic poles and used for electric automobile
CN105958776A (en) Embedded permanent magnet steel and invisible magnetic pole drive motor for electric automobiles
CN105827039A (en) Composite permanent magnet and brushless electromagnetic hybrid excitation driving motor
CN105762957A (en) Built-in tangential and surface-mounted radial permanent magnet steel hub driving motor
CN103501093B (en) Axial magnetic field permanent magnet generator for light-duty vehicle

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