CN103887946A - Invisible magnetic pole hub motor of electric vehicle - Google Patents
Invisible magnetic pole hub motor of electric vehicle Download PDFInfo
- Publication number
- CN103887946A CN103887946A CN201410140682.6A CN201410140682A CN103887946A CN 103887946 A CN103887946 A CN 103887946A CN 201410140682 A CN201410140682 A CN 201410140682A CN 103887946 A CN103887946 A CN 103887946A
- Authority
- CN
- China
- Prior art keywords
- hub
- magnet steel
- pole
- magnetic pole
- 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.)
- Pending
Links
Images
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention provides an invisible magnetic pole hub motor of an electric vehicle and belongs to the technical field of automobile motor electric appliances. The invisible magnetic pole hub motor of the electric vehicle consists of a shaft, a front end cover, a rear end cover, a hub rotor iron core, a rotor, a stator and a stator support. Multiple long salient poles and multiple short salient poles are evenly distributed on the inner side of the hub rotor iron core and are separated at intervals, permanent magnet steel is fixed on the short salient poles of the hub rotor iron core, the inner side of the permanent magnet steel is N-poles, S-poles of the permanent magnet steel are led to the long salient poles through the hub rotor iron core to form the invisible magnetic pole rotor with N-poles and S-poles which are arranged at intervals, two polarities of the permanent magnet steel are fully utilized, and the invisible magnetic pole hub motor is compact in structure and reliable in work.
Description
Technical field
The invention provides the stealthy magnetic pole wheel hub motor of a kind of electric automobile, belong to electric motor of automobile technical field of electric appliances.
Background technology
Current and the matching used drive motors of electric automobile mostly adopts the direct current machine with carbon brush and mechanical commutator, although DC motor structure is simple, controllability is high, speed-regulating range width, control circuit is relatively simple, cost is lower, but because the magnetic field of direct-drive motor is produced by electric excitation winding, power consumption is many, power output is little, in addition owing to having carbon brush and mechanical commutator, not only limit the raising of drive motors overload capacity and speed, if long-play, often maintenance be certainly will need and carbon brush and commutator changed, therefore direct current machine energy consumption is large, failure rate is high, its serviceability needs further improvement.
Summary of the invention
The object of this invention is to provide one and can overcome above-mentioned defect, the magnetic field of wheel hub motor is provided by permanent-magnet steel, few without electric excitation winding, power consumption, there is no the stealthy magnetic pole wheel hub motor of electric automobile of carbon brush and mechanical commutator, failure rate is low, its technology contents is:
The stealthy magnetic pole wheel hub motor of electric automobile being made up of axle, front end housing, rear end cap, hub-type rotor core, rotor, stator, stator support, is characterized in that: wheel hub motor rotor is stealthy magnetic pole p-m rotor;
Stealthy magnetic pole p-m rotor is made up of hub-type rotor core, permanent-magnet steel, screw, pole shoe, the inner side of hub-type rotor core is evenly equipped with multiple long salient poles and multiple short salient pole, long salient pole and short salient pole space, long salient pole is than the long 6mm of short salient pole, permanent-magnet steel is fixed on by screw on the short salient pole of hub-type rotor core by pole shoe, the inner side polarity of permanent-magnet steel is the N utmost point, the S utmost point of permanent-magnet steel is guided on long salient pole by hub-type rotor core, form the N utmost point, the extremely spaced stealthy pole wheel of S, the thickness of permanent-magnet steel and the thickness of pole shoe are 3mm.
operation principle:when permanent magnetism wheel hub motor passes into by three-phase inverter after the three-phase alternating current of pulse-width modulation, wheel hub motor stator produces a space rotating magnetic field, the magnetic field interaction that it and rotor permanent magnet steel produce, rotor produces the rotating torques consistent with stator winding rotating magnetic field direction, wheel hub motor p-m rotor is rotated, and then drive electric automobile operation.
The present invention compared with prior art, the inner side of hub-type rotor core is evenly equipped with multiple long salient poles and multiple short salient pole, long salient pole and short salient pole space, permanent-magnet steel is fixed on the short salient pole of hub-type rotor core, and the inner side polarity of permanent-magnet steel is the N utmost point, and the S utmost point of permanent-magnet steel is guided on long salient pole by hub-type rotor core, form the N utmost point, the extremely spaced stealthy pole wheel of S, two polarity of permanent-magnet steel are all fully used, compact conformation, reliable operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is profile embodiment illustrated in fig. 1.
In figure: 1, axle 2, front end housing 3, hub-type rotor core 4, permanent-magnet steel 5, screw 6, pole shoe 7, stator 8, stator support 9, rear end cap.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
The stealthy magnetic pole wheel hub motor of electric automobile being made up of axle 1, front end housing 2, rear end cap 9, hub-type rotor core 3, rotor, stator 7, stator support 8, is characterized in that: wheel hub motor rotor is stealthy magnetic pole p-m rotor;
Stealthy magnetic pole p-m rotor is by hub-type rotor core 3, permanent-magnet steel 4, screw 5, pole shoe 6 forms, the inner side of hub-type rotor core 3 is evenly equipped with multiple long salient poles and multiple short salient pole, long salient pole and short salient pole space, long salient pole is than the long 6mm of short salient pole, permanent-magnet steel 4 is fixed on by screw 5 on the short salient pole of hub-type rotor core 3 by pole shoe 6, the inner side polarity of permanent-magnet steel 4 is the N utmost point, the S utmost point of permanent-magnet steel 4 is guided on long salient pole by hub-type rotor core 3, form the N utmost point, the extremely spaced stealthy pole wheel of S, the thickness of the thickness of permanent-magnet steel 4 and pole shoe 6 is 3mm.
Claims (1)
1. the stealthy magnetic pole wheel hub motor of electric automobile, formed by axle (1), front end housing (2), rear end cap (9), hub-type rotor core (3), rotor, stator (7), stator support (8), it is characterized in that: wheel hub motor rotor is stealthy magnetic pole p-m rotor;
Stealthy magnetic pole p-m rotor is by hub-type rotor core (3), permanent-magnet steel (4), screw (5), pole shoe (6) composition, the inner side of hub-type rotor core (3) is evenly equipped with multiple long salient poles and multiple short salient pole, long salient pole and short salient pole space, long salient pole is than the long 6mm of short salient pole, permanent-magnet steel (4) is fixed on by screw (5) on the short salient pole of hub-type rotor core (3) by pole shoe (6), the inner side polarity of permanent-magnet steel (4) is the N utmost point, the S utmost point of permanent-magnet steel (4) is guided on long salient pole by hub-type rotor core (3), form the N utmost point, the extremely spaced stealthy pole wheel of S, the thickness of the thickness of permanent-magnet steel (4) and pole shoe (6) is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410140682.6A CN103887946A (en) | 2014-04-10 | 2014-04-10 | Invisible magnetic pole hub motor of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410140682.6A CN103887946A (en) | 2014-04-10 | 2014-04-10 | Invisible magnetic pole hub motor of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103887946A true CN103887946A (en) | 2014-06-25 |
Family
ID=50956700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410140682.6A Pending CN103887946A (en) | 2014-04-10 | 2014-04-10 | Invisible magnetic pole hub motor of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103887946A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375665A (en) * | 2014-08-26 | 2016-03-02 | 张秀祥 | Motor, wheel hub motor, stator and excitation unit |
| CN105871136A (en) * | 2016-05-13 | 2016-08-17 | 山东理工大学 | Production method of invisible magnetic pole and hub drive motor rotor provided with built-in permanent magnet steel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201204530Y (en) * | 2008-06-06 | 2009-03-04 | 湘潭电机股份有限公司 | Permanent magnet synchronous hub motor for directly driving electric vehicle wheel |
| CN201278479Y (en) * | 2008-10-07 | 2009-07-22 | 林胜男 | Novel permanent generator for special purpose vehicle |
| CN102244427A (en) * | 2010-05-11 | 2011-11-16 | 株式会社电装 | Consequent pole permanent magnet motor |
| CN102457151A (en) * | 2010-10-25 | 2012-05-16 | 阿斯莫有限公司 | Motor |
-
2014
- 2014-04-10 CN CN201410140682.6A patent/CN103887946A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201204530Y (en) * | 2008-06-06 | 2009-03-04 | 湘潭电机股份有限公司 | Permanent magnet synchronous hub motor for directly driving electric vehicle wheel |
| CN201278479Y (en) * | 2008-10-07 | 2009-07-22 | 林胜男 | Novel permanent generator for special purpose vehicle |
| CN102244427A (en) * | 2010-05-11 | 2011-11-16 | 株式会社电装 | Consequent pole permanent magnet motor |
| CN102457151A (en) * | 2010-10-25 | 2012-05-16 | 阿斯莫有限公司 | Motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375665A (en) * | 2014-08-26 | 2016-03-02 | 张秀祥 | Motor, wheel hub motor, stator and excitation unit |
| CN105871136A (en) * | 2016-05-13 | 2016-08-17 | 山东理工大学 | Production method of invisible magnetic pole and hub drive motor rotor provided with built-in permanent magnet steel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103762766A (en) | Permanent-magnet hybrid magnetic circuit drive motor of electric vehicle | |
| CN103762765A (en) | Tangential and radial resultant magnetic field embedded permanent magnet rotor driving motor | |
| 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 | |
| CN103887936A (en) | Production method for hub motor rotor with embedded radial permanent magnet steel and embedded tangential permanent magnet steel | |
| CN103780028A (en) | Method for producing permanent magnet rotor of hybrid magnetic circuit of driving motor of electric car | |
| CN103887910A (en) | Electromagnet and permanent magnet composite excitation electric vehicle driving motor | |
| CN105958779A (en) | Built-in double-radial permanent magnet steel drive motor for electric automobiles | |
| CN103887947A (en) | Built-in tangential permanent magnet steel hub driving motor of electric vehicle | |
| CN105958775A (en) | Permanent-magnetic and claw pole electromagnetic hybrid excitation drive motor | |
| CN103746483A (en) | Built-in permanent magnet rotor driving motor of electric automobile | |
| CN103887946A (en) | Invisible magnetic pole hub motor of electric vehicle | |
| CN204103723U (en) | Electric automobile permanent magnet hybrid magnetic path motor | |
| CN105958774B (en) | Surface Mount radial direction and embedded tangential permanent magnet steel driving motor | |
| CN103762810A (en) | Hidden magnetic pole rare-earth permanent magnet drive motor for electric automobile | |
| CN105978279A (en) | Rare-earth permanent magnetic driving motor embedded with tangential and radial synthesis magnetic field | |
| CN105811712A (en) | Permanent magnet driving motor equipped with built-in radial and tangential combined type magnetic poles and used for electric automobile | |
| CN105790476A (en) | Built-in tangential and radial permanent magnet steel combined-type magnetic pole drive motor for electric automobile | |
| CN103887907A (en) | Permanent magnet and electromagnet mixed excitation hub driving device of electric vehicle | |
| CN103501092B (en) | Vehicle electric exciting brushless generator | |
| CN105743247A (en) | Electric automobile combined-type permanent magnet pole wheel hub driving motor | |
| CN105914993A (en) | Electric automobile combined magnetic pole and invisible magnetic pole driving motor | |
| CN105958776A (en) | Embedded permanent magnet steel and invisible magnetic pole drive motor for electric automobiles | |
| CN106026594A (en) | Hub drive motor with built-in radial and tangential permanent magnet steels | |
| CN105811623A (en) | Permanent magnet driving motor with built-in combined type radial and tangential magnetic fields |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140625 |