CN105914924A - Embedded tangential magnetic field permanent magnet steel wheel hub driving motor - Google Patents

Embedded tangential magnetic field permanent magnet steel wheel hub driving motor Download PDF

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Publication number
CN105914924A
CN105914924A CN201610314125.0A CN201610314125A CN105914924A CN 105914924 A CN105914924 A CN 105914924A CN 201610314125 A CN201610314125 A CN 201610314125A CN 105914924 A CN105914924 A CN 105914924A
Authority
CN
China
Prior art keywords
rotor
magnetic field
magnet steel
permanent magnet
hub
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.)
Pending
Application number
CN201610314125.0A
Other languages
Chinese (zh)
Inventor
高明玲
张学义
李世征
王静
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 CN201610314125.0A priority Critical patent/CN105914924A/en
Publication of CN105914924A publication Critical patent/CN105914924A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • H02K1/2786Outer rotors

Abstract

The invention provides an embedded tangential magnetic field permanent magnet steel wheel hub driving motor, belonging to the automobile motor electric appliance technical field, and comprises a shaft, a front end cover, a rear end cover, a wheel hub type casing, a rotor, a stator, and a stator support; the magnetic field of each magnetic pole of a wheel hub driving motor rotor is provided by two embedded permanent magnet steels, and the magnetic field intensity is great and the power density is high. The motor is a rotor magnetic bypass structure, and can effectively prevent permanent magnet steels from generating irreversible demagnetization under the surge current armature reaction effect, and avoid loss of excitation of the permanent magnet steels; in addition, the motor has no electro-magnetic coils, consumes less electric energy, has no carbon brushes and mechanical commutators, and possesses the characteristics of low failure rate, compact structure, and reliable operation.

Description

Embedded tangential magnetic field permanent-magnet steel hub driven motor
Technical field
The present invention provides a kind of embedded tangential magnetic field permanent-magnet steel hub driven motor, belongs to motor in electric automobile electrical apparatus technology Field.
Background technology
Current and electric automobile matching used driving motor mostly uses the unidirectional current with carbon brush and mechanical commutator Machine, although DC motor structure is simple, controllability is high, speed-regulating range width, control circuit are relatively easy, cost is relatively low, but Owing to the magnetic field of direct current generator is produced by electrical excitation winding, power consumption is many, output is little, additionally, due to there is carbon brush and machine Tool diverter, not only limits the raising of direct current generator overload capacity and speed, and if long-play, certainly will need through Often safeguarding and change carbon brush and diverter, therefore direct current generator energy consumption is big, fault rate is high, and its serviceability awaits changing further Enter.
Summary of the invention
It is an object of the invention to provide one and can overcome drawbacks described above, the magnetic field of hub driven motor is provided by permanent-magnet steel, Few without electrical excitation winding, power consumption, non-carbonate and mechanical commutator, the embedded tangential magnetic field permanent-magnet steel wheel hub of failure rate is low Driving motor, its technology contents is:
Embedded tangential magnetic field permanent-magnet steel hub driven motor is by axle, drive end bearing bracket, rear end cap, hub-type casing, rotor, stator, fixed Submounts forms, it is characterised in that: hub driven motor rotor is the p-m rotor of embedded tangential magnetic field;
The p-m rotor of embedded tangential magnetic field by rectangle permanent-magnet steel, rotor core, hub-type casing, fan annular every magnetic air gap group Become, rotor core is evenly equipped with even number and runs through the radial direction rectangular channel of rotor core thickness, radially the inner of rectangular channel and rotor Do not connect between the inner circle of iron core, be provided with in the outer end of each radial direction rectangular channel and run through the fan annular of rotor core thickness every magnetism Gap, adjacent fan annular does not connects every magnetic air gap, and fan annular does not connects with the cylindrical of rotor core every the outer end of magnetic air gap, by square Shape permanent-magnet steel according to adjacent two panels rectangle permanent-magnet steel N pole and N extremely relative to, S pole and S extremely relative to mode be sequentially arranged at footpath In rectangular channel, rotor core is fixed in the inner circle of hub-type casing.
Operation principle: when permanent magnetism hub driven motor is passed through by three-phase inverter after the three-phase alternating current of pulsewidth modulation, Hub driven motor stator produces a space rotating magnetic field, and it is magnetic field interaction, rotor produced by with rotor permanent magnet steel Produce the rotating torques consistent with stator winding rotating excitation field direction, make hub driven motor p-m rotor rotate, and then drive Electric automobile runs.
Compared with prior art, rectangle permanent-magnet steel is embedded in the radial direction rectangular channel of rotor core the present invention, and wheel hub drives The magnetic field of each magnetic pole of rotor is provided by the embedded permanent-magnet steel of two panels, and magnetic field intensity is big, and power density is high, and without electricity Exciting Windings for Transverse Differential Protection, power consumption are few, non-carbonate and mechanical commutator, failure rate is low, have the feature such as compact conformation, reliable operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the rotor profiles figure of embodiment illustrated in fig. 1.
In figure: 1, axle 2, drive end bearing bracket 3, rectangle permanent-magnet steel 4, rotor core 5, hub-type casing 6, stator 7, fan annular is every magnetic air gap 8, rear end cap 9, stator support.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings:
Embedded tangential magnetic field permanent-magnet steel hub driven motor is by axle 1, drive end bearing bracket 2, rear end cap 8, hub-type casing 5, rotor, stator 6, stator support 9 forms, it is characterised in that: hub driven motor rotor is the p-m rotor of embedded tangential magnetic field;
The p-m rotor of embedded tangential magnetic field by rectangle permanent-magnet steel 3, rotor core 4, hub-type casing 5, fan annular every magnetic air gap 7 Composition, rotor core 4 is evenly equipped with even number and runs through the radial direction rectangular channel of rotor core 4 thickness, radially the inner of rectangular channel with Do not connect between the inner circle of rotor core 4, be provided with the fan annular running through rotor core 4 thickness in the outer end of each radial direction rectangular channel Every magnetic air gap 7, adjacent fan annular does not connects every magnetic air gap 7, the fan annular cylindrical every the outer end of magnetic air gap 7 Yu rotor core 4 Do not connect, by rectangle permanent-magnet steel 3 according to adjacent two panels rectangle permanent-magnet steel 3 N pole and N extremely relative to, S pole and S extremely relative to side Formula is sequentially arranged in radial direction rectangular channel, and rotor core 4 is fixed in the inner circle of hub-type casing 5.

Claims (1)

1. an embedded tangential magnetic field permanent-magnet steel hub driven motor, by axle (1), drive end bearing bracket (2), rear end cap (8), hub-type machine Shell (5), rotor, stator (6), stator support (9) form, it is characterised in that: hub driven motor rotor is embedded tangential magnetic field P-m rotor;
The p-m rotor of embedded tangential magnetic field by rectangle permanent-magnet steel (3), rotor core (4), hub-type casing (5), fan annular every Magnetic air gap (7) forms, and rotor core (4) is evenly equipped with even number and runs through the radial direction rectangular channel of rotor core (4) thickness, radially square Do not connect between the inner of shape groove and the inner circle of rotor core (4), be provided with in the outer end of each radial direction rectangular channel and run through rotor ferrum The fan annular of core (4) thickness does not connects every magnetic air gap (7) every magnetic air gap (7), adjacent fan annular, and fan annular is every magnetic air gap (7) Outer end do not connect with the cylindrical of rotor core (4), by rectangle permanent-magnet steel (3) according to the N of adjacent two panels rectangle permanent-magnet steel (3) Pole and N extremely relative to, S pole and S extremely relative to mode be sequentially arranged at radially in rectangular channel, rotor core (4) is fixed on hub-type In the inner circle of casing (5).
CN201610314125.0A 2016-05-13 2016-05-13 Embedded tangential magnetic field permanent magnet steel wheel hub driving motor Pending CN105914924A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610314125.0A CN105914924A (en) 2016-05-13 2016-05-13 Embedded tangential magnetic field permanent magnet steel wheel hub driving motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610314125.0A CN105914924A (en) 2016-05-13 2016-05-13 Embedded tangential magnetic field permanent magnet steel wheel hub driving motor

Publications (1)

Publication Number Publication Date
CN105914924A true CN105914924A (en) 2016-08-31

Family

ID=56749163

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610314125.0A Pending CN105914924A (en) 2016-05-13 2016-05-13 Embedded tangential magnetic field permanent magnet steel wheel hub driving motor

Country Status (1)

Country Link
CN (1) CN105914924A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101295891A (en) * 2007-04-27 2008-10-29 阿斯莫有限公司 Embedded magnet type motor
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
CN103887947A (en) * 2014-04-10 2014-06-25 山东理工大学 Built-in tangential permanent magnet steel hub driving motor of electric vehicle
CN103944336A (en) * 2014-04-10 2014-07-23 山东理工大学 Hub drive motor with radial and tangential permanent magnet steel embedded in rotor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101295891A (en) * 2007-04-27 2008-10-29 阿斯莫有限公司 Embedded magnet type motor
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
CN103887947A (en) * 2014-04-10 2014-06-25 山东理工大学 Built-in tangential permanent magnet steel hub driving motor of electric vehicle
CN103944336A (en) * 2014-04-10 2014-07-23 山东理工大学 Hub drive motor with radial and tangential permanent magnet steel embedded in rotor

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Application publication date: 20160831