CN209994253U - Permanent magnet-free direct-current outer rotor hub motor - Google Patents
Permanent magnet-free direct-current outer rotor hub motor Download PDFInfo
- Publication number
- CN209994253U CN209994253U CN201921366409.XU CN201921366409U CN209994253U CN 209994253 U CN209994253 U CN 209994253U CN 201921366409 U CN201921366409 U CN 201921366409U CN 209994253 U CN209994253 U CN 209994253U
- Authority
- CN
- China
- Prior art keywords
- permanent
- stator yoke
- permanent magnet
- hub motor
- rotor
- 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.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses a no permanent magnetism direct current external rotor in-wheel motor, establish the rotor outer loop in the stator yoke outside including stator yoke and cover, the stator yoke outside is equipped with the magnetic pole that is radial equidistance and distributes, rotor outer loop inboard is equipped with the iron core that is radial distribution's equidistance and distributes, the cover is equipped with excitation coil on the magnetic pole. The utility model discloses a no permanent magnet design does not use the strong magnetism of tombarthite to do the raw materials, can normally work at high temperature condition, and low in manufacturing cost is used in inertia performance good on the electric motor car, and no permanent-magnet machine does not have demagnetization phenomenon forever, can not cause because of the demagnetization causes the power to descend, and no permanent-magnet machine starting current is little, transmission torque is big, and inertia is big, and is more energy-conserving, more durable.
Description
Technical Field
The utility model relates to the technical field of electric machines, especially, relate to a no permanent magnetism direct current external rotor in-wheel motor.
Background
In-wheel motor technology is also known as in-wheel motor technology. The traditional permanent magnet direct current outer rotor hub motor needs to use permanent magnets, consumes rare earth resources in production, and is easy to demagnetize, so that the permanent magnet-free direct current outer rotor hub motor is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a non-permanent magnet direct current outer rotor hub motor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a no permanent magnetism direct current external rotor wheel hub motor, includes stator yoke and the rotor outer loop of cover in the stator yoke outside, the stator yoke outside is equipped with the magnetic pole that is radial equidistance and distributes, rotor outer loop inboard is equipped with the iron core that is radial distribution's equidistance and distributes, the cover is equipped with excitation coil on the magnetic pole.
Preferably, the number of the magnetic poles and the number of the iron cores are both N, and N is an even number:
the permanent magnet-free electric vehicle has the advantages that the permanent magnet-free design is adopted, the rare earth strong magnet is not used as a raw material, the electric vehicle can normally work under the high-temperature condition, the manufacturing cost is low, the inertia performance is good when the electric vehicle is used, the permanent magnet-free motor has no demagnetization phenomenon, the power reduction caused by demagnetization can not be caused, the starting current of the permanent magnet-free motor is small, the transmission torque is large, the inertia is large, the electric vehicle is more energy-saving, and the electric vehicle.
Drawings
Fig. 1 is the utility model provides a no permanent magnetism direct current external rotor in-wheel motor's sectional structure schematic diagram.
In the figure: the magnetic field generator comprises a rotor outer ring 1, a stator magnetic yoke 2, an iron core 3, a magnetic pole 4 and a magnet exciting coil 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, a permanent magnet-free direct current outer rotor hub motor comprises a stator magnetic yoke 2 and a rotor outer ring 1 sleeved on the outer side of the stator magnetic yoke 2, magnetic poles 4 radially distributed at equal intervals are arranged on the outer side of the stator magnetic yoke 2, iron cores 3 radially distributed at equal intervals are arranged on the inner side of the rotor outer ring 1, and magnet exciting coils 5 are sleeved on the magnetic poles 4.
The utility model discloses in, magnetic pole 4 and 3 quantity of iron core are N, and N is the even number.
The hub motor adopts a design of double salient poles and multiple poles, the excitation coil 5 on the hub motor is divided into an A group, a B group and a C group 6 phase winding method, when one phase of magnetic winding is conductive, a magnetic field pulling force is generated, when the A group is conductive, the A group is immediately closed to be conductive after the magnetic pulling operation, the B group of conductive winding is opened, the winding generates a magnetic field to continue to be pulled to operate, and the C group are the same and operate repeatedly all the time, so that the motor operates at 360 degrees, and the aim of normally operating the hub motor is fulfilled.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (2)
1. The utility model provides a no permanent magnetism direct current outer rotor wheel hub motor, includes stator yoke (2) and cover and establishes rotor outer loop (1) in stator yoke (2) outside, its characterized in that, stator yoke (2) outside is equipped with and is radial equidistance magnetic pole (4) that distribute, rotor outer loop (1) inboard is equipped with and is radial equidistance iron core (3) that distribute, the cover is equipped with excitation coil (5) on magnetic pole (4).
2. The external rotor hub motor without permanent magnet direct current according to claim 1, wherein the number of the magnetic poles (4) and the number of the iron cores (3) are both N, and N is an even number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921366409.XU CN209994253U (en) | 2019-08-22 | 2019-08-22 | Permanent magnet-free direct-current outer rotor hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921366409.XU CN209994253U (en) | 2019-08-22 | 2019-08-22 | Permanent magnet-free direct-current outer rotor hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209994253U true CN209994253U (en) | 2020-01-24 |
Family
ID=69298087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921366409.XU Active CN209994253U (en) | 2019-08-22 | 2019-08-22 | Permanent magnet-free direct-current outer rotor hub motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209994253U (en) |
-
2019
- 2019-08-22 CN CN201921366409.XU patent/CN209994253U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2016177023A1 (en) | Dual-stator superconductive exciting field modulating motor | |
| CN104218763A (en) | Multi-phase reluctance machine | |
| CN101651395B (en) | Sine wave current self-starting three-phase rare earth permanent-magnetism synchronous motor | |
| CN201947073U (en) | Radial structure outer-rotor biconvex pole motor | |
| CN109194082B (en) | Amorphous alloy axial flux motor with wide field weakening speed expansion and low rotor loss | |
| CN102570647B (en) | Hybrid excitation flux reversal motor | |
| CN110707841B (en) | Magnetism-gathering type double-salient-pole hybrid permanent magnet memory motor | |
| CN110061603A (en) | A kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor | |
| CN105071562A (en) | Stator permanent magnet type field modulation motor | |
| CN203289210U (en) | A mixed excitation-type stator surface mounting-type double-salient-pole motor | |
| CN103560637A (en) | Mixed excitation synchronous generator high in power density | |
| CN107579637A (en) | A kind of axial radial flux magneto | |
| CN102005835A (en) | Halbach outer rotor doubly salient motor | |
| CN201549999U (en) | Axial flux switching type hybrid excitation synchronous generator | |
| CN110649732B (en) | Mixed excitation rotor and mixed excitation surface-mounted permanent magnet motor | |
| CN105391264B (en) | Composite poles formula built-in tangential permagnetic synchronous motor | |
| CN201918812U (en) | Enhanced magnetic flux switching doubly salient motor with magnetic gathering effect for outer rotor magnetic field | |
| CN201378761Y (en) | Constant-voltage output mixing excitation type magnetic flux switching wind power generator | |
| CN110957822B (en) | Birotor magnetic flux switches aerogenerator and power generation system | |
| CN108880038A (en) | Mix pole rotor and motor | |
| CN210640748U (en) | Mixed excitation rotor and mixed excitation surface-mounted permanent magnet motor | |
| CN209860677U (en) | Full-power motor | |
| CN102005836A (en) | Magnetic flow switching dual-salient pole motor with reinforced outer rotor magnetic field | |
| CN201478968U (en) | Sine current self-starting three-phase rare-earth permanent-magnet synchronous motor | |
| CN201910679U (en) | Permanent magnetic outer rotor double-salient-pole motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |