CN105846577A - Electric automobile embedded tangential magnetic field permanent magnet steel driving motor - Google Patents
Electric automobile embedded tangential magnetic field permanent magnet steel driving motor Download PDFInfo
- Publication number
- CN105846577A CN105846577A CN201610314134.XA CN201610314134A CN105846577A CN 105846577 A CN105846577 A CN 105846577A CN 201610314134 A CN201610314134 A CN 201610314134A CN 105846577 A CN105846577 A CN 105846577A
- Authority
- CN
- China
- Prior art keywords
- magnet steel
- rotor
- magnetic field
- permanent magnet
- electric automobile
- 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
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Classifications
-
- 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]
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc Machiner (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention provides an electric automobile embedded tangential magnetic field permanent magnet steel driving motor, and belongs to the technical field of electric automobile motor electrical appliances. The motor is composed of a front end cover, a rear end cover, a case, a rotor and a stator. The driving motor rotor is an embedded tangential magnetic field permanent magnet steel rotor, the magnetic field intensity is large, the power density is high, the structure is a rotor magnetic bypass structure, permanent magnet steel can be effectively prevented from irreversible demagnetization under the armature reaction effect of impact currents, it is ensured that the permanent magnet steel does not lose magnetism, electric excitation windings are unnecessary, consumption of power energy is little, there are no carbon brushes and mechanical commutators, the fault rate is low, the structure is compact, and the work is reliable.
Description
Technical field
The present invention provides a kind of electric automobile embedded tangential magnetic field permanent-magnet steel to drive motor, belongs to motor in electric automobile electrical equipment
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-drive motor is produced by electrical excitation winding, power consumption is many, delivery efficiency is low, additionally, due to there is carbon brush
And mechanical commutator, not only limit driving motor overload ability and the raising of speed, and if long-play, Shi Bixu
Often to safeguard and to change carbon brush and diverter, therefore direct current generator energy consumption is big, fault rate is high, and its serviceability awaits into one
Step is improved.
Summary of the invention
It is an object of the invention to provide one and can overcome drawbacks described above, drive the magnetic field of motor to be provided by permanent-magnet steel, it is not necessary to
Electrical excitation winding, power consumption are few, do not have the electric automobile embedded tangential magnetic field permanent magnetism of carbon brush and mechanical commutator, failure rate is low
Steel drives motor, and its technology contents is:
Electric automobile embedded tangential magnetic field permanent-magnet steel drives motor to be made up of drive end bearing bracket, rear end cap, casing, rotor, stator, and it is special
Levy and be: driving rotor is embedded tangential magnetic field permanent-magnet steel rotor；
Embedded tangential magnetic field permanent-magnet steel rotor is by axle, rectangle permanent-magnet steel, rotor core, form every magnetic air gap, on rotor core all
It is furnished with even number and runs through the radial direction rectangular channel of rotor core thickness, radially between outer end and the cylindrical of rotor core of rectangular channel not
Connection, is provided with in the inner of each radial direction rectangular channel and runs through the fan annular of rotor core thickness every magnetic air gap, adjacent every magnetism
Gap does not connects, by rectangle 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 side
Formula is sequentially arranged in radial direction rectangular channel, and rotor core is fitted on axle.
Operation principle: when permanent magnet drive motor is passed through by three-phase inverter after the three-phase alternating current of pulsewidth modulation, drives
Motor stator produces a space rotating magnetic field, and it is magnetic field interaction produced by with rotor permanent magnet steel, and rotor produces with fixed
The rotating torques that sub-winding rotating magnetic field direction is consistent, makes driving motor permanent magnetic rotor rotate, and then drives electric automobile to run.
Compared with prior art, rectangle permanent-magnet steel is embedded in the radial direction rectangular channel of rotor core the present invention, drives motor
The magnetic field of each magnetic pole of rotor is provided jointly by two panels permanent-magnet steel, and magnetic field intensity is big, and power density is high, and without electrical excitation around
Group, power consumption are few, do not have carbon brush and mechanical commutator, failure rate is low, have high efficiency, high power density, compact conformation, work
Make the features such as reliable.
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, casing 6, stator 7, every magnetic air gap
8, rear end cap.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings:
Electric automobile embedded tangential magnetic field permanent-magnet steel drives motor to be made up of drive end bearing bracket 2, rear end cap 8, casing 5, rotor, stator 6,
It is characterized in that: driving rotor is embedded tangential magnetic field permanent-magnet steel rotor；
Embedded tangential magnetic field permanent-magnet steel rotor by axle 1, rectangle permanent-magnet steel 3, rotor core 4, form every magnetic air gap 7, rotor core 4
On be evenly equipped with even number and run through the radial direction rectangular channel of rotor core 4 thickness, the radially cylindrical of the outer end of rectangular channel and rotor core 4
Between do not connect, be provided with in the inner of each radial direction rectangular channel run through rotor core 4 thickness fan annular every magnetic air gap 7, adjacent
Do not connect every magnetic air gap 7, by rectangle permanent-magnet steel 3 according to the N pole of adjacent two panels rectangle permanent-magnet steel 3, S pole the most relative with N and S
Extremely relative to mode be sequentially arranged at radially in rectangular channel, rotor core 4 is fitted on axle 1.
Claims (1)
1. electric automobile embedded tangential magnetic field permanent-magnet steel drives a motor, by drive end bearing bracket (2), rear end cap (8), casing (5), turns
Son, stator (6) composition, it is characterised in that: driving rotor is embedded tangential magnetic field permanent-magnet steel rotor；
Embedded tangential magnetic field permanent-magnet steel rotor by axle (1), rectangle permanent-magnet steel (3), rotor core (4), form every magnetic air gap (7),
Be evenly equipped with even number on rotor core (4) and run through the radial direction rectangular channel of rotor core (4) thickness, radially the outer end of rectangular channel with turn
Do not connect between the cylindrical of sub-iron core (4), be provided with the fan ring running through rotor core (4) thickness in the inner of each radial direction rectangular channel
Shape is every magnetic air gap (7), and adjacent does not connects every magnetic air gap (7), 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 mode be sequentially arranged at radially in rectangular channel, rotor core (4) is fitted in
On axle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314134.XA CN105846577A (en) | 2016-05-13 | 2016-05-13 | Electric automobile embedded tangential magnetic field permanent magnet steel driving motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314134.XA CN105846577A (en) | 2016-05-13 | 2016-05-13 | Electric automobile embedded tangential magnetic field permanent magnet steel driving motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105846577A true CN105846577A (en) | 2016-08-10 |
Family
ID=56591547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610314134.XA Pending CN105846577A (en) | 2016-05-13 | 2016-05-13 | Electric automobile embedded tangential magnetic field permanent magnet steel driving motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105846577A (en) |
Citations (6)
| 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 |
| CN101976925A (en) * | 2009-12-30 | 2011-02-16 | 天津市科麟机电设备有限公司 | High-efficiency permanent magnet DC brushless motor with low-rotate speed and universal moment and application |
| CN203206019U (en) * | 2013-04-26 | 2013-09-18 | 重庆东桐科技有限公司 | Rotor structure of embedded tangential magnetic field brushless direct current motor |
| CN103746483A (en) * | 2014-02-18 | 2014-04-23 | 山东理工大学 | Built-in permanent magnet rotor driving motor of electric automobile |
| 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 |
| CN105391203A (en) * | 2014-09-03 | 2016-03-09 | 新安乃达驱动技术(上海)有限公司 | Brushless motor rotor structure employing built-in magnetic steel tangential magnetization |
-
2016
- 2016-05-13 CN CN201610314134.XA patent/CN105846577A/en active Pending
Patent Citations (6)
| 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 |
| CN101976925A (en) * | 2009-12-30 | 2011-02-16 | 天津市科麟机电设备有限公司 | High-efficiency permanent magnet DC brushless motor with low-rotate speed and universal moment and application |
| CN203206019U (en) * | 2013-04-26 | 2013-09-18 | 重庆东桐科技有限公司 | Rotor structure of embedded tangential magnetic field brushless direct current motor |
| CN103746483A (en) * | 2014-02-18 | 2014-04-23 | 山东理工大学 | Built-in permanent magnet rotor driving motor of electric automobile |
| 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 |
| CN105391203A (en) * | 2014-09-03 | 2016-03-09 | 新安乃达驱动技术(上海)有限公司 | Brushless motor rotor structure employing built-in magnetic steel tangential magnetization |
Non-Patent Citations (1)
| Title |
|---|
| 吴延忠 等: "稀土永磁同步电动机隔磁磁桥的设计研究", 《沈阳工业大学学报》 * |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160810 |
|
| WD01 | Invention patent application deemed withdrawn after publication |