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 PDFInfo
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner 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
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
- H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
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- 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
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
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).
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 |
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CN105978285A true CN105978285A (en) | 2016-09-28 |
Family
ID=56991556
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)
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CN (1) | CN105978285A (en) |
Citations (5)
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 |
-
2016
- 2016-05-11 CN CN201610306639.1A patent/CN105978285A/en active Pending
Patent Citations (5)
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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Application publication date: 20160928 |
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