CN105958774B - Surface Mount radial direction and embedded tangential permanent magnet steel driving motor - Google Patents

Surface Mount radial direction and embedded tangential permanent magnet steel driving motor Download PDF

Info

Publication number
CN105958774B
CN105958774B CN201610306598.6A CN201610306598A CN105958774B CN 105958774 B CN105958774 B CN 105958774B CN 201610306598 A CN201610306598 A CN 201610306598A CN 105958774 B CN105958774 B CN 105958774B
Authority
CN
China
Prior art keywords
magnet steel
rotor
magnetic field
rotor core
permanent
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.)
Active
Application number
CN201610306598.6A
Other languages
Chinese (zh)
Other versions
CN105958774A (en
Inventor
杜钦君
张学义
马世伦
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.)
Shandong University of Technology
Original Assignee
Shandong University of Technology
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 Shandong University of Technology filed Critical Shandong University of Technology
Priority to CN201610306598.6A priority Critical patent/CN105958774B/en
Publication of CN105958774A publication Critical patent/CN105958774A/en
Application granted granted Critical
Publication of CN105958774B publication Critical patent/CN105958774B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • H02K1/2706Inner rotors
    • H02K1/272Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/278Surface mounted magnets; Inset magnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K2201/00Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/03Machines characterised by aspects of the air-gap between rotor and stator

Abstract

The present invention provides a kind of Surface Mount radial direction and embedded tangential permanent magnet steel driving motor, belongs to motor in electric automobile technical field of electric appliances.It is made of drive end bearing bracket, rear end cap, casing, rotor, stator, driving motor rotor is the p-m rotor of radial magnetic field and tangential magnetic field resultant magnetic field, magnetic field strength is big, and power density is high, which is rotor magnetic bypass structure, permanent-magnet steel can be effectively prevent to lead to the problem of irreversible demagnetization under the armature-reaction effect of dash current, guarantee permanent-magnet steel not loss of excitation, and few without electrical excitation winding, power consumption, it is low without carbon brush and mechanical commutator, failure rate, it is compact-sized, reliable operation.

Description

Surface Mount radial direction and embedded tangential permanent magnet steel driving motor
Technical field
The present invention provides a kind of Surface Mount radial direction and embedded tangential permanent magnet steel driving motor, belongs to motor in electric automobile electric appliance skill Art field.
Background technique
At present with the matching used driving motor of electric car mostly using the direct current for having carbon brush and mechanical commutator Machine, although DC motor structure is simple, controllability is high, speed-regulating range width, control circuit is relatively easy, cost is relatively low, Since the magnetic field of direct-drive motor is generated by electrical excitation winding, power consumption is more, delivery efficiency is low, additionally, due to there are carbon brush And mechanical commutator, not only limit the raising of driving motor overload capacity and speed, and if long-play, Shi Bixu It is regularly maintained and replaces carbon brush and commutator, therefore energy consumption is high, high failure rate for direct current generator, service performance is up for into one Step is improved.
Summary of the invention
Drawbacks described above can be overcome the object of the present invention is to provide a kind of, and the magnetic field of driving motor is provided by permanent-magnet steel, is not necessarily to Electrical excitation winding, power consumption are few, without the low Surface Mount radial direction of carbon brush and mechanical commutator, failure rate and embedded tangential permanent magnet steel Driving motor, technology contents are:
Surface Mount is radially made of with embedded tangential permanent magnet steel driving motor drive end bearing bracket, rear end cap, casing, rotor, stator, It is characterized in that:Driving motor 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 axis, rectangle permanent-magnet steel, rotor core, tile permanent-magnet steel, peariform slot every magnetic air gap Composition, is evenly equipped with the radial rectangular channel that even number runs through rotor core thickness on rotor core, the outer end of radial rectangular channel with turn It is not connected between the outer circle of sub- iron core, is equipped with the peariform slot through rotor core thickness every magnetic in the inner end of each radial rectangular channel Air gap, adjacent peariform slot are not connected to every magnetic air gap, are equipped among the outer end of adjacent two radial rectangular channels and are run through rotor core The circular hole of thickness, the center of circle of multiple circular holes on the same circumference, are not connected between the outer end of circular hole and the outer circle of rotor core, The diameter of circular hole is greater than the diameter of screw, and iron rivet passes through circular hole and fixed rotor iron core on rotor core, by rectangle permanent magnetism By the pole N of adjacent two panels rectangle permanent-magnet steel and N, the extremely opposite, pole S with S extremely opposite mode is sequentially arranged at radial rectangular channel to steel It is interior, then by tile permanent-magnet steel by lateral surface polarity it is adjacent with two panels rectangle permanent-magnet steel formation the identical mode of polarity and by Screw is sequentially fixed on the iron rivet in rotor core by pole shoe, and rotor core is fitted on axis.
Working principle:When permanent magnet drive motor is passed through by three-phase inverter after the three-phase alternating current of pulsewidth modulation, driving Motor stator generates a space rotating magnetic field, it and magnetic field interaction caused by rotor permanent magnet steel, rotor generate and determine The sub- consistent rotating torques in winding rotating magnetic field direction rotate driving motor p-m rotor, and then drive electric car operation.
Compared with prior art, the present invention tile magnet steel is fixed in the outer circle of rotor core, rectangle permanent-magnet steel is embedded in In the radial rectangular channel of rotor core, driving motor rotor field is provided jointly by radial magnetic field and tangential magnetic field, magnetic field strength Greatly, power density is high, and few without electrical excitation winding, power consumption, low without carbon brush and mechanical commutator, failure rate, tool There is the features such as high efficiency, high power density, compact-sized, reliable operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the rotor profiles figure of embodiment illustrated in fig. 1.
In figure:1, axis 2, drive end bearing bracket 3, rectangle permanent-magnet steel 4, rotor core 5, tile permanent-magnet steel 6, Casing 7, stator 8, pole shoe 9, screw 10, iron rivet 11, rear end cap 12, peariform slot are every magnetic air gap.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
Surface Mount is radial and embedded tangential permanent magnet steel driving motor is by drive end bearing bracket 2, rear end cap 11, casing 6, rotor, 7 groups of stator At, it is characterised in that:Driving motor 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 axis 1, rectangle permanent-magnet steel 3, rotor core 4, tile permanent-magnet steel 5, peariform slot every magnetic Air gap 12 forms, and the radial rectangular channel that even number runs through 4 thickness of rotor core is evenly equipped on rotor core 4, radial rectangular channel It is not connected between outer end and the outer circle of rotor core 4, is equipped in the inner end of each radial rectangular channel through 4 thickness of rotor core Peariform slot is not connected to every magnetic air gap 12, adjacent peariform slot every magnetic air gap 12, is set among the outer end of adjacent two radial rectangular channels Have a circular hole through 4 thickness of rotor core, the center of circle of multiple circular holes on the same circumference, the outer end of circular hole and rotor core 4 Outer circle between be not connected to, the diameter of circular hole is greater than the diameter of screw 9, and iron rivet 10 passes through the circular hole on rotor core 4 and solid Stator-rotor iron core 4, by rectangle permanent-magnet steel 3, by the pole N of adjacent two panels rectangle permanent-magnet steel 3 and N, the extremely opposite, pole S and S are extremely opposite Mode is sequentially arranged in radial rectangular channel, then the rectangle permanent magnetism that tile permanent-magnet steel 5 is adjacent with two panels by the polarity of lateral surface It the identical mode of polarity that steel 3 is formed and is sequentially fixed on the iron rivet 10 in rotor core 4 by screw 9 by pole shoe 8, is turned Sub- iron core 4 is fitted on axis 1.

Claims (1)

1. a kind of Surface Mount radial direction and embedded tangential permanent magnet steel driving motor, by drive end bearing bracket(2), rear end cap(11), casing(6), turn Son, stator(7)Composition, it is characterised in that:Driving motor 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 axis(1), rectangle permanent-magnet steel(3), rotor core(4), tile permanent-magnet steel(5), peariform slot Every magnetic air gap(12)Composition, rotor core(4)On be evenly equipped with even number through rotor core(4)The radial rectangular channel of thickness, diameter Outer end and rotor core to rectangular channel(4)Outer circle between be not connected to, be equipped in the inner end of each radial rectangular channel through turning Sub- iron core(4)The peariform slot of thickness is every magnetic air gap(12), adjacent peariform slot is every magnetic air gap(12)It is not connected to, it is radial adjacent two It is equipped among the outer end of rectangular channel and runs through rotor core(4)The circular hole of thickness, the center of circle of multiple circular holes are on the same circumference, round The outer end in hole and rotor core(4)Outer circle between be not connected to, the diameter of circular hole is greater than screw(9)Diameter, iron rivet(10) Across rotor core(4)On circular hole and fixed rotor iron core(4), by rectangle permanent-magnet steel(3)By adjacent two panels rectangle permanent magnetism Steel(3)The pole N and N is extremely opposite, the pole S is sequentially arranged in radial rectangular channel with S extremely opposite mode, then by tile permanent-magnet steel (5)By the polarity of the lateral surface rectangle permanent-magnet steel adjacent with two panels(3)The identical mode of the polarity of formation and by screw(9)Pass through Pole shoe(8)It is sequentially fixed at rotor core(4)In iron rivet(10)On, rotor core(4)It is fitted in axis(1)On.
CN201610306598.6A 2016-05-11 2016-05-11 Surface Mount radial direction and embedded tangential permanent magnet steel driving motor Active CN105958774B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610306598.6A CN105958774B (en) 2016-05-11 2016-05-11 Surface Mount radial direction and embedded tangential permanent magnet steel driving motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610306598.6A CN105958774B (en) 2016-05-11 2016-05-11 Surface Mount radial direction and embedded tangential permanent magnet steel driving motor

Publications (2)

Publication Number Publication Date
CN105958774A CN105958774A (en) 2016-09-21
CN105958774B true CN105958774B (en) 2018-11-23

Family

ID=56915196

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610306598.6A Active CN105958774B (en) 2016-05-11 2016-05-11 Surface Mount radial direction and embedded tangential permanent magnet steel driving motor

Country Status (1)

Country Link
CN (1) CN105958774B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113346705A (en) * 2021-06-11 2021-09-03 湖南大学 Surface-mounted low-harmonic hybrid permanent magnet memory motor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102647067A (en) * 2012-04-21 2012-08-22 山东理工大学 Radial-tangential permanent magnet and electromagnetism mixed excitation generator
CN202488240U (en) * 2012-01-09 2012-10-10 美的威灵电机技术(上海)有限公司 Tangential rotor of rotary motor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202488240U (en) * 2012-01-09 2012-10-10 美的威灵电机技术(上海)有限公司 Tangential rotor of rotary motor
CN102647067A (en) * 2012-04-21 2012-08-22 山东理工大学 Radial-tangential permanent magnet and electromagnetism mixed excitation generator

Also Published As

Publication number Publication date
CN105958774A (en) 2016-09-21

Similar Documents

Publication Publication Date Title
CN103762765A (en) Tangential and radial resultant magnetic field embedded permanent magnet rotor driving motor
CN103762766A (en) Permanent-magnet hybrid magnetic circuit drive motor of electric vehicle
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
CN105958775B (en) Permanent magnetism and pawl pole electromagnetic hybrid excitation driving motor
CN105958779A (en) Built-in double-radial permanent magnet steel drive motor for electric automobiles
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
CN103746483A (en) Built-in permanent magnet rotor driving motor of electric automobile
CN105958774B (en) Surface Mount radial direction and embedded tangential permanent magnet steel driving motor
CN105978279A (en) Rare-earth permanent magnetic driving motor embedded with tangential and radial synthesis magnetic field
CN107276269A (en) Electromagnetism used for electric vehicle and permanent magnetism mixing excitation motor
CN105790476A (en) Built-in tangential and radial permanent magnet steel combined-type magnetic pole drive motor for electric automobile
CN204103723U (en) Electric automobile permanent magnet hybrid magnetic path motor
CN105914995A (en) Combined permanent magnetic and electromagnetic mixed excitation driving motor
CN103762810A (en) Hidden magnetic pole rare-earth permanent magnet drive motor for electric automobile
CN105914993A (en) Electric automobile combined magnetic pole and invisible magnetic pole driving motor
CN103887946A (en) Invisible magnetic pole hub motor of electric vehicle
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
CN105743247A (en) Electric automobile combined-type permanent magnet pole wheel hub driving motor
CN105932803A (en) Double-winding six-phase drive motor with tangential embedded permanent magnet rotor
CN105958782A (en) Radial-tangential permanent magnet and brushless electromagnetism hybrid excitation driving motor
CN105827039A (en) Composite permanent magnet and brushless electromagnetic hybrid excitation driving 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
GR01 Patent grant
GR01 Patent grant