CN105978285A - Hub driving motor with tangential and radial synthesis magnetic field of electromobile - Google Patents

Hub driving motor with tangential and radial synthesis magnetic field of electromobile Download PDF

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Publication number
CN105978285A
CN105978285A CN201610306639.1A CN201610306639A CN105978285A CN 105978285 A CN105978285 A CN 105978285A CN 201610306639 A CN201610306639 A CN 201610306639A CN 105978285 A CN105978285 A CN 105978285A
Authority
CN
China
Prior art keywords
rectangular channel
magnet steel
rotor
outer end
rotor core
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
CN201610306639.1A
Other languages
Chinese (zh)
Inventor
张学义
马清芝
杜钦君
史立伟
刘从臻
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 CN201610306639.1A priority Critical patent/CN105978285A/en
Publication of CN105978285A publication Critical patent/CN105978285A/en
Pending legal-status Critical Current

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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
    • H02K21/22Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
    • 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
    • H02K1/276Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H02K1/2766Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
    • H02K1/2773Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
    • 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 invention provides a hub driving motor with a tangential and radial synthesis magnetic field of an electromobile, and belongs to the technical field of motors and electric appliances of electromobile. The motor comprises a front end cap, a rear end cap, a hub type casing, a rotor, a stator, a stator support and a shaft, rectangular permanent magnet steel sheets are placed in first and second rectangular grooves respectively, the magnetic field of each pole in the rotor of the driving motor is provided by four rectangular permanent magnet steel sheets, the intensity of the magnetic field is high, power density is high, an electric excitation winding is not needed, the power consumption is low, neither a carbon brush nor a mechanical commutator is included, the fault rate is low, and the motor is also characterized by high efficiency, compact structure and reliable work.

Description

Electric automobile built-in tangential and radially resultant magnetic field hub driven motor
Technical field
The present invention provides a kind of electric automobile built-in tangential and radially resultant magnetic field hub driven motor, belongs to electric automobile Electrical equipment and electrical technical 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, failure rate is low electric automobile built-in tangential with radially Resultant magnetic field hub driven motor, its technology contents is:
Electric automobile built-in tangential and radially resultant magnetic field hub driven motor by drive end bearing bracket, rear end cap, hub-type casing, turn Son, stator, stator support, axle form, it is characterised in that: hub driven motor rotor is that embedded tangentially and radially permanent-magnet steel turns Son;
Embedded tangentially and radially permanent-magnet steel rotor is by the first rectangle permanent-magnet steel, the second rectangle permanent-magnet steel, rotor core, hub-type machine Shell, every magnetic air gap form, rotor core is evenly equipped with even number and runs through the first rectangular channel of rotor core thickness, the first rectangular channel For radial structure, do not connect between the inner and the inner circle of rotor core of the first rectangular channel, in the outer end of each first rectangular channel Both sides are provided with second rectangular channel running through rotor core thickness of symmetry, adjacent two second between two the first rectangular channels The inner of rectangular channel does not connects, outside the second rectangular channel of the outer end of each first rectangular channel and the first both sides, rectangular channel outer end End be jointly provided with run through rotor core thickness every magnetic air gap, every outer end and first square of the inner of magnetic air gap and the first rectangular channel The outer end of the second rectangular channel of both sides, shape groove outer end all connects, and adjacent does not connects every magnetic air gap, every the outer end of magnetic air gap with turn Do not connect between the cylindrical of sub-iron core, by the first rectangle permanent-magnet steel according to N pole and the N pole of adjacent two panels the first rectangle permanent-magnet steel Relatively, S pole and S extremely relative to mode be sequentially arranged in the first rectangular channel, then by the second rectangle permanent-magnet steel by the second rectangle forever The mode that polarity that the polarity of magnet steel medial surface is formed with adjacent two panels the first rectangle permanent-magnet steel is identical is sequentially arranged at the second square In shape groove, 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 first rectangular channel and the second rectangular channel the present invention respectively, drives Each magnetic pole and magnetic field on galvanic electricity machine rotor is provided jointly by four permanent-magnet steels, and magnetic field intensity is big, and power density is high, and without Electrical excitation winding, power consumption are few, non-carbonate and mechanical commutator, failure rate is low, have efficiency height, compact conformation, work can The feature such as lean on.
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 the 3, first rectangle permanent-magnet steel 4, rotor core 5, hub-type casing 6, stator 7, Every magnetic air gap 8, rear end cap 9, stator support the 10, second rectangle permanent-magnet steel.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings:
Electric automobile built-in tangential and radially resultant magnetic field hub driven motor by drive end bearing bracket 2, rear end cap 8, hub-type casing 5, Rotor, stator 6, stator support 9, axle 1 form, it is characterised in that: hub driven motor rotor is embedded tangentially and radially permanent magnetism Steel rotor;
Embedded tangentially and radially permanent-magnet steel rotor is by first rectangle permanent-magnet steel the 3, second rectangle permanent-magnet steel 10, rotor core 4, wheel hub Formula casing 5, form every magnetic air gap 7, rotor core 4 is evenly equipped with even number and runs through the first rectangular channel of rotor core 4 thickness, One rectangular channel is radial structure, does not connects between the inner of the first rectangular channel and the inner circle of rotor core 4, at each first rectangle The both sides, outer end of groove are provided with second rectangular channel running through rotor core 4 thickness of symmetry, between two adjacent the first rectangular channels The inners of two the second rectangular channels do not connect, in the outer end of each first rectangular channel and the second of the first both sides, rectangular channel outer end The outer end of rectangular channel be jointly provided with run through rotor core 4 thickness every magnetic air gap 7, every the inner of magnetic air gap 7 and the first rectangular channel Outer end all connect with the outer end of the second rectangular channel of the first both sides, rectangular channel outer end, adjacent does not connects every magnetic air gap 7, every magnetic Do not connect between the outer end of air gap 7 and the cylindrical of rotor core 4, by the first rectangle permanent-magnet steel 3 according to adjacent two panels the first square The N pole of shape permanent-magnet steel 3 and N extremely relative to, S pole and S extremely relative to mode be sequentially arranged in the first rectangular channel, then by the second rectangle Permanent-magnet steel 10 is identical with the polarity that adjacent two panels the first rectangle permanent-magnet steel 3 is formed by the polarity of the second rectangle permanent-magnet steel 10 medial surface Mode be sequentially arranged in the second rectangular channel, rotor core 4 is fixed in the inner circle of hub-type casing 5.

Claims (1)

1. electric automobile built-in tangential and a radially resultant magnetic field hub driven motor, by drive end bearing bracket (2), rear end cap (8), wheel Hub casing (5), rotor, stator (6), stator support (9), axle (1) form, it is characterised in that: hub driven motor rotor is Embedded tangentially and radially permanent-magnet steel rotor;
Embedded tangentially and radially permanent-magnet steel rotor is by the first rectangle permanent-magnet steel (3), the second rectangle permanent-magnet steel (10), rotor core (4), hub-type casing (5), forming every magnetic air gap (7), rotor core (4) is evenly equipped with even number, and to run through rotor core (4) thick First rectangular channel of degree, the first rectangular channel is radial structure, between the inner circle of the inner of the first rectangular channel and rotor core (4) not Connection, is provided with second rectangular channel running through rotor core (4) thickness of symmetry in the both sides, outer end of each first rectangular channel, adjacent Two the first rectangular channels between the inners of two the second rectangular channels do not connect, in the outer end and first of each first rectangular channel The outer end of the second rectangular channel of both sides, rectangular channel outer end be jointly provided with run through rotor core (4) thickness every magnetic air gap (7), every magnetic The inner of air gap (7) all connects with the outer end of the outer end of the first rectangular channel and the second rectangular channel of the first both sides, rectangular channel outer end, Adjacent does not connects every magnetic air gap (7), does not connects, by first between the outer end and the cylindrical of rotor core (4) of magnetic air gap (7) Rectangle permanent-magnet steel (3) according to adjacent two panels the first rectangle permanent-magnet steel (3) N pole and N extremely relative to, S pole and S extremely relative to mode It is sequentially arranged in the first rectangular channel, then by the second rectangle permanent-magnet steel (10) by the polarity of the second rectangle permanent-magnet steel (10) medial surface The mode identical with the polarity that adjacent two panels the first rectangle permanent-magnet steel (3) is formed is sequentially arranged in the second rectangular channel, rotor ferrum Core (4) is fixed in the inner circle of hub-type casing (5).
CN201610306639.1A 2016-05-11 2016-05-11 Hub driving motor with tangential and radial synthesis magnetic field of electromobile Pending CN105978285A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610306639.1A CN105978285A (en) 2016-05-11 2016-05-11 Hub driving motor with tangential and radial synthesis magnetic field of electromobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610306639.1A CN105978285A (en) 2016-05-11 2016-05-11 Hub driving motor with tangential and radial synthesis magnetic field of electromobile

Publications (1)

Publication Number Publication Date
CN105978285A true CN105978285A (en) 2016-09-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610306639.1A Pending CN105978285A (en) 2016-05-11 2016-05-11 Hub driving motor with tangential and radial synthesis magnetic field of electromobile

Country Status (1)

Country Link
CN (1) CN105978285A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58136258A (en) * 1982-02-08 1983-08-13 Hitachi Ltd Permanent magnet rotor
US5159220A (en) * 1990-06-25 1992-10-27 General Electric Company Realizations of folded magnet AC motors
CN201294443Y (en) * 2008-12-01 2009-08-19 东元总合科技(杭州)有限公司 Permanent magnet self-startup synchronous motor rotor
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
CN104485762A (en) * 2014-11-18 2015-04-01 珠海格力节能环保制冷技术研究中心有限公司 Rotor of permanent magnet synchronous motor and permanent magnet synchronous motor provided with same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58136258A (en) * 1982-02-08 1983-08-13 Hitachi Ltd Permanent magnet rotor
US5159220A (en) * 1990-06-25 1992-10-27 General Electric Company Realizations of folded magnet AC motors
CN201294443Y (en) * 2008-12-01 2009-08-19 东元总合科技(杭州)有限公司 Permanent magnet self-startup synchronous motor rotor
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
CN104485762A (en) * 2014-11-18 2015-04-01 珠海格力节能环保制冷技术研究中心有限公司 Rotor of permanent magnet synchronous motor and permanent magnet synchronous motor provided with same

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PB01 Publication
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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20160928

WD01 Invention patent application deemed withdrawn after publication