CN105914982A - Bilateral magnetic circuit electric wheel hub - Google Patents
Bilateral magnetic circuit electric wheel hub Download PDFInfo
- Publication number
- CN105914982A CN105914982A CN201610256116.0A CN201610256116A CN105914982A CN 105914982 A CN105914982 A CN 105914982A CN 201610256116 A CN201610256116 A CN 201610256116A CN 105914982 A CN105914982 A CN 105914982A
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- stator
- rotor pole
- stator poles
- poles
- 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.)
- Granted
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
- H02K21/02—Details
- H02K21/04—Windings on magnets for additional excitation ; Windings and magnets for additional excitation
- H02K21/046—Windings on magnets for additional excitation ; Windings and magnets for additional excitation with rotating permanent magnets and stationary field winding
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The invention provides a bilateral magnetic circuit electric wheel hub which is composed of a wheel hub, a shaft, two sets of rotor poles, two sets of stator poles, two sets of armature windings, a stator iron core, permanent magnets, a wheel hub cap and a bearing. The wheel hub cap and the wheel hub can rotate around the shaft so as to drive a wheel to rotate. The stator iron core is fixed in the middle of the shaft. The two axial sides of the stator iron core are provided with the two sets of rotor poles which are fixed on the wheel hub. The end surface, which faces the rotor poles, of the stator iron core is provided with the fan-shaped salient stator poles. The armature windings are wound on all the stator poles. One magnetic insulation slot is arranged on the stator iron core between every three stator poles. One radially magnetized permanent magnet is arranged between the slot bottoms of the two magnetic insulation slots. The design of the electric wheel hub that the permanent magnets and the armature windings are arranged on the stator is realized so that the rotor is simple in structure and reliable in working; and the two end surfaces of the motor are provided with a layer of air gap, and contact area between the stator and the rotor is large so that specific power of the motor is high.
Description
Technical field
The present invention relates to the electric wheel hub of a kind of bilateral magnetic circuit, belong to vehicle technology field.
Background technology
In recent years, electric motor car is the most gradually accepted by consumers in general as a kind of environmental protection, the energy-conservation vehicles, and the most at home or external, electric motor car sales volume worldwide is also increasing year by year.
Motor and actuating device are all incorporated in wheel hub by electric wheel hub, can be greatly simplified by the running part of electric motor car, and this is first advantage of wheel hub motor.The second advantage of wheel hub motor is to realize the flexile design of automobile, wheel hub motor possesses the characteristic that single wheel independently drives, the most either forerunner, rear-guard, or 4 wheel driven form, it can more easily realize, and AWD implements very easy on the vehicle that electric wheel hub drives.In view of above-mentioned analysis, a kind of high torque (HT) of research and development, high power density electric wheel hub are highly desirable to.
In close patent, grant number is the application for a patent for invention of 201010190582.6: wheel hub of electric bicycle, propose the electric wheel hub of a kind of external stator inner rotor core, the stator of this electric wheel hub is fixed on hub shell inwall and can rotate together with hub shell, and rotor is connected with planet gear reducing mechanism.
The mandate patent of invention of Patent No. 201110182371.2: a kind of electric wheel hub, it is proposed that a kind of motor including being coaxially set and the wheel hub of combinative structure, be mainly used in supporting motor and first semiaxis being coaxially set and interfixing of wheel hub and the second semiaxis, for motor power being passed to the electric wheel hub of the gear train assembly of wheel hub.This gear train assembly is provided with the two automatically controlled gearshifts of gear, and structure is complex.The motor using tray type structure currently also has some achievements in research, than the more typical patent having Southeast China University to obtain mandate: a kind of bimorph transducer disc type mixed excitation electric machine, the patent No.: 201310301385.0, propose a kind of disc type mixed excitation electric machine including 12 U shape stator cores, this U shape stator core and permanent magnet (6) are alternately placed and are constituted stator disk, and permanent magnet the most alternately magnetizes.
Applicant not yet retrieves the report of the wheel hub motor about using the bilateral magnetic circuit with tray type structure at present.
The electric wheel hub design that the technology of the present invention achieves permanent magnet and armature winding is all positioned on stator, rotor structure is simple, reliable operation；Disc type electric machine can effectively utilize the feature that hub diameter is big, axial length is short, improves the power of wheel hub motor；Two end faces of motor all have one layer of air gap, utilize a set of permanent magnet to achieve the excitation of bilateral magnetic circuit, and between rotor, contact surface is big, and therefore motor specific power is high.
Summary of the invention
In order to invent the wheel hub motor of a kind of bilateral magnetic circuit with tray type structure, it is achieved the reliably driving of high power density, the present invention adopts the following technical scheme that
A kind of electric wheel hub of bilateral magnetic circuit, it is characterised in that:
It is made up of wheel hub (1), axle (12), the first rotor pole (2), the first stator poles (3), the first armature winding (4), stator core (5), permanent magnet (6), the second stator poles (7), the second armature winding (8), the second rotor pole (9), wheel hub cover (10) and bearing (11)；
Wheel hub cover (10) is fixed on the port of wheel hub (1), the centre bore of wheel hub cover (10) and wheel hub (1) fixes a bearing (11) respectively, wheel hub cover (10) and wheel hub (1) can rotate around axle (12), thus band motor car wheel rotates；
Stator core (5) in disc type is fixed on the centre of axle (12), the first rotor pole (2) that the axial both sides of stator core (5) are integrally fixed on wheel hub (1) respectively and the second rotor pole (9) being fixed on wheel hub cover (10)；
Stator core (5) has annular the first stator poles (3) protruded of fan towards the one side of the first rotor pole (2), and each first stator poles (3) is wound with first armature winding (4)；Stator core (5) has annular the second stator poles (7) protruded of fan towards the one side of the second rotor pole (9), and each second stator poles (7) is wound with second armature winding (8)；First armature winding (4) and the second armature winding (8) are all centralized winding；
A radially distributed magnet isolation tank is had in stator core (5) between every three the first stator poles (3), a permanent magnet (6) is had between the trench bottom of two magnet isolation tanks, permanent magnet (6) is parallel to axle (12) and the radial magnetizing along stator core (5), and the magnetizing direction of adjacent permanent magnet (6) is contrary；
Three the first armature winding (4) in the first stator poles (3) between two magnet isolation tanks are around to identical；Three the second armature winding (8) in the second stator poles (7) between two magnet isolation tanks are around to identical；The first armature winding (4) in first stator poles (3) on one magnet isolation tank both sides is around on the contrary；The second armature winding (8) in second stator poles (7) on one magnet isolation tank both sides is around on the contrary.
The electric wheel hub of a kind of bilateral magnetic circuit as above, it is characterised in that: wheel hub (1), the first rotor pole (2), the first stator poles (3), stator core (5), the second stator poles (7), the second rotor pole (9) and wheel hub cover (10) are all No yield point permeability magnetic material.
The electric wheel hub of a kind of bilateral magnetic circuit as above, it is characterised in that: the number of poles of the first rotor pole (2) and the second rotor pole (9) is equal；First stator poles (3) and the second stator poles (7) are alignd in a circumferential direction；If the angle between adjacent two rotor poles is rotor pole elongation, the first rotor pole (2) and the second rotor pole (9) differ half rotor pole elongation in a circumferential direction.
Beneficial effects of the present invention is as follows:
(1) the electric wheel hub design that permanent magnet and armature winding are all positioned on stator, rotor structure is simple, reliable operation；
(2) two end faces of motor all have one layer of air gap, utilize a set of permanent magnet to achieve the excitation of bilateral magnetic circuit, and between rotor, contact surface is big, and therefore motor specific power is high；(3) armature winding and Exciting Windings for Transverse Differential Protection all use concentratred winding, and end is shorter, and copper loss is less；
(4) disc type electric machine axial length is little, substantially reduces motor volume so that whole wheel hub structure is compacter, conveniently installs electric machine controller on hub shell additional.
Accompanying drawing explanation
Fig. 1 is the sectional side elevation of the electric wheel hub of a kind of bilateral magnetic circuit of the present invention.Wherein: 1, wheel hub, 2, the first rotor pole, the 3, first stator poles, the 4, first armature winding, 5, stator core, 6, permanent magnet, the 7, second stator poles, the 8, second armature winding, the 9, second rotor pole, 10, wheel hub cover, 11, bearing, 12, axle.
Fig. 2 is the electric wheel hub stator winding side view of a kind of bilateral magnetic circuit of the present invention, wherein: 3, the first stator poles, the 4, first armature winding, 5, stator core, 6, permanent magnet, 12, axle.
Fig. 3 is the electric wheel hub rotor pole side view of a kind of bilateral magnetic circuit of the present invention, wherein: 1, wheel hub, and 2, the first rotor pole, 12, axle.
Fig. 4 is the electric wheel hub fundamental diagram of a kind of bilateral magnetic circuit of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the invention is described in further details.
Fig. 1 is the sectional side elevation of the electric wheel hub of a kind of bilateral magnetic circuit of the present invention.
A kind of electric wheel hub of bilateral magnetic circuit, it is characterised in that:
It is made up of wheel hub (1), axle (12), the first rotor pole (2), the first stator poles (3), the first armature winding (4), stator core (5), permanent magnet (6), the second stator poles (7), the second armature winding (8), the second rotor pole (9), wheel hub cover (10) and bearing (11)；
Wheel hub cover (10) is fixed on the port of wheel hub (1), the centre bore of wheel hub cover (10) and wheel hub (1) fixes a bearing (11) respectively, wheel hub cover (10) and wheel hub (1) can rotate around axle (12), thus band motor car wheel rotates；
Stator core (5) in disc type is fixed on the centre of axle (12), the first rotor pole (2) that the axial both sides of stator core (5) are integrally fixed on wheel hub (1) respectively and the second rotor pole (9) being fixed on wheel hub cover (10)；
Stator core (5) has annular the first stator poles (3) protruded of fan towards the one side of the first rotor pole (2), and each first stator poles (3) is wound with first armature winding (4)；Stator core (5) has annular the second stator poles (7) protruded of fan towards the one side of the second rotor pole (9), and each second stator poles (7) is wound with second armature winding (8)；First armature winding (4) and the second armature winding (8) are all centralized winding.
The electric wheel hub of a kind of bilateral magnetic circuit as above, it is characterised in that: wheel hub (1), the first rotor pole (2), the first stator poles (3), stator core (5), the second stator poles (7), the second rotor pole (9) and wheel hub cover (10) are all No yield point permeability magnetic material.
Fig. 2 is the electric wheel hub stator winding side view of a kind of bilateral magnetic circuit of the present invention.
A radially distributed magnet isolation tank is had in stator core (5) between every three the first stator poles (3), a permanent magnet (6) is had between the trench bottom of two magnet isolation tanks, permanent magnet (6) is parallel to axle (12) and the radial magnetizing along stator core (5), and the magnetizing direction of adjacent permanent magnet (6) is contrary.
Three the first armature winding (4) in the first stator poles (3) between two magnet isolation tanks are around to identical；Three the second armature winding (8) in the second stator poles (7) between two magnet isolation tanks are around to identical；The first armature winding (4) in first stator poles (3) on one magnet isolation tank both sides is around on the contrary；The second armature winding (8) in second stator poles (7) on one magnet isolation tank both sides is around on the contrary.
Fig. 3 is the electric wheel hub rotor pole side view of a kind of bilateral magnetic circuit of the present invention.
The number of poles of the first rotor pole (2) and the second rotor pole (9) is equal；First stator poles (3) and the second stator poles (7) are alignd in a circumferential direction；If the angle between adjacent two rotor poles is rotor pole elongation, the first rotor pole (2) and the second rotor pole (9) differ half rotor pole elongation in a circumferential direction.
Fig. 4 is the electric wheel hub fundamental diagram of a kind of bilateral magnetic circuit of the present invention.
Electric wheel hub to a kind of bilateral magnetic circuit that the present invention proposes is operated the explanation of principle below.
Tire it is fixed with outside circumference of hub.Forming a flattened cylinder on the port of wheel hub cover and wheel hub, centre bore is fixed a bearing, wheel hub cover and wheel hub respectively and can be pivoted, thus drives tire to rotate, and drives electric motor car.
This electric wheel hub is operated based on reluctance motor operation principle.
When rotor pole is with when wherein a phase stator poles is completely overlapped, and the magnetic resistance of the linkage of the armature winding in this phase stator poles is minimum, magnetic linkage is maximum, and the self-induction of this phase armature winding is the most maximum.When rotor pole and a phase stator poles completely disengage from, the magnetic resistance of this Polar armature winding is maximum, magnetic linkage is minimum, and the self-induction of this phase armature winding is the most minimum.
Three-phase bridge inverter is utilized to power to the three-phase windings of the electric wheel hub of described bilateral magnetic circuit.
As motor, the phase winding risen to self-induction, the electric wheel hub of this bilateral magnetic circuit is passed to forward current, then this winding can produce positive torque；The phase winding declined to self-induction passes to forward current, then this winding can produce negative torque.
The electric wheel hub of described a kind of bilateral magnetic circuit can also reclaim the braking energy of vehicle as generator operation.
Claims (3)
1. the electric wheel hub of a bilateral magnetic circuit, it is characterised in that:
It is made up of wheel hub (1), axle (12), the first rotor pole (2), the first stator poles (3), the first armature winding (4), stator core (5), permanent magnet (6), the second stator poles (7), the second armature winding (8), the second rotor pole (9), wheel hub cover (10) and bearing (11)；
Wheel hub cover (10) is fixed on the port of wheel hub (1), the centre bore of wheel hub cover (10) and wheel hub (1) fixes a bearing (11) respectively, wheel hub cover (10) and wheel hub (1) can rotate around axle (12), thus band motor car wheel rotates；
Stator core (5) in disc type is fixed on the centre of axle (12), the first rotor pole (2) that the axial both sides of stator core (5) are integrally fixed on wheel hub (1) respectively and the second rotor pole (9) being fixed on wheel hub cover (10)；
Stator core (5) has annular the first stator poles (3) protruded of fan towards the one side of the first rotor pole (2), and each first stator poles (3) is wound with first armature winding (4)；Stator core (5) has annular the second stator poles (7) protruded of fan towards the one side of the second rotor pole (9), and each second stator poles (7) is wound with second armature winding (8)；First armature winding (4) and the second armature winding (8) are all centralized winding；
A radially distributed magnet isolation tank is had in stator core (5) between every three the first stator poles (3), a permanent magnet (6) is had between the trench bottom of two magnet isolation tanks, permanent magnet (6) is parallel to axle (12) and the radial magnetizing along stator core (5), and the magnetizing direction of adjacent permanent magnet (6) is contrary；
Three the first armature winding (4) in the first stator poles (3) between two magnet isolation tanks are around to identical；Three the second armature winding (8) in the second stator poles (7) between two magnet isolation tanks are around to identical；The first armature winding (4) in first stator poles (3) on one magnet isolation tank both sides is around on the contrary；The second armature winding (8) in second stator poles (7) on one magnet isolation tank both sides is around on the contrary.
The electric wheel hub of a kind of bilateral magnetic circuit the most as claimed in claim 1, it is characterised in that: wheel hub (1), the first rotor pole (2), the first stator poles (3), stator core (5), the second stator poles (7), the second rotor pole (9) and wheel hub cover (10) are all No yield point permeability magnetic material.
The electric wheel hub of a kind of bilateral magnetic circuit the most as claimed in claim 1, it is characterised in that: the number of poles of the first rotor pole (2) and the second rotor pole (9) is equal；First stator poles (3) and the second stator poles (7) are alignd in a circumferential direction；If the angle between adjacent two rotor poles is rotor pole elongation, the first rotor pole (2) and the second rotor pole (9) differ half rotor pole elongation in a circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610256116.0A CN105914982B (en) | 2016-04-25 | 2016-04-25 | A kind of electric wheel hub of bilateral magnetic circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610256116.0A CN105914982B (en) | 2016-04-25 | 2016-04-25 | A kind of electric wheel hub of bilateral magnetic circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105914982A true CN105914982A (en) | 2016-08-31 |
| CN105914982B CN105914982B (en) | 2018-06-19 |
Family
ID=56752438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610256116.0A Active CN105914982B (en) | 2016-04-25 | 2016-04-25 | A kind of electric wheel hub of bilateral magnetic circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105914982B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374645A (en) * | 2016-11-21 | 2017-02-01 | 陕西理工学院 | Three-phase AC servo wheel hub motor for electric vehicles |
| CN107294241A (en) * | 2017-07-11 | 2017-10-24 | 杭州壹品电子有限公司 | A kind of disc type hub driven motor used for electric vehicle and electric automobile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201041974Y (en) * | 2007-02-07 | 2008-03-26 | 熊巨藩 | A dual protrusion pole axial magnetic field permanent magnetic electromotor |
| CN201808440U (en) * | 2010-05-28 | 2011-04-27 | 华南农业大学 | Multiphase motor wheel driving system |
| CN102142749A (en) * | 2011-03-16 | 2011-08-03 | 潍坊帅克新能源汽车技术有限公司 | Hub assembly of disc type variable-speed motor of electric vehicle |
| CN201947073U (en) * | 2010-12-10 | 2011-08-24 | 上海电机学院 | Radial structure outer-rotor biconvex pole motor |
| CN102223036A (en) * | 2011-06-16 | 2011-10-19 | 东南大学 | Hybrid excitation E-shaped iron core axial magnetic field permanent magnet brushless motor |
| CN103390978A (en) * | 2013-07-18 | 2013-11-13 | 东南大学 | Double-stator disc type mixed excitation motor |
-
2016
- 2016-04-25 CN CN201610256116.0A patent/CN105914982B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201041974Y (en) * | 2007-02-07 | 2008-03-26 | 熊巨藩 | A dual protrusion pole axial magnetic field permanent magnetic electromotor |
| CN201808440U (en) * | 2010-05-28 | 2011-04-27 | 华南农业大学 | Multiphase motor wheel driving system |
| CN201947073U (en) * | 2010-12-10 | 2011-08-24 | 上海电机学院 | Radial structure outer-rotor biconvex pole motor |
| CN102142749A (en) * | 2011-03-16 | 2011-08-03 | 潍坊帅克新能源汽车技术有限公司 | Hub assembly of disc type variable-speed motor of electric vehicle |
| CN102223036A (en) * | 2011-06-16 | 2011-10-19 | 东南大学 | Hybrid excitation E-shaped iron core axial magnetic field permanent magnet brushless motor |
| CN103390978A (en) * | 2013-07-18 | 2013-11-13 | 东南大学 | Double-stator disc type mixed excitation motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374645A (en) * | 2016-11-21 | 2017-02-01 | 陕西理工学院 | Three-phase AC servo wheel hub motor for electric vehicles |
| CN106374645B (en) * | 2016-11-21 | 2019-10-01 | 陕西理工学院 | Three-phase alternating current servo hub motor for electric vehicle |
| CN107294241A (en) * | 2017-07-11 | 2017-10-24 | 杭州壹品电子有限公司 | A kind of disc type hub driven motor used for electric vehicle and electric automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105914982B (en) | 2018-06-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106233578B (en) | Axial gap motor | |
| US7462968B2 (en) | Electric wheel | |
| US11299031B2 (en) | Wheel hub motor for electric vehicle | |
| CN108631531B (en) | Hybrid excitation switch reluctance hub motor for electric automobile | |
| CN104377921B (en) | A kind of permanent-magnet magnetic resistance type double-rotor machine | |
| CN103490583A (en) | Stator division type axial flux switching type mixed excitation synchronous motor | |
| CN107846092B (en) | A kind of wheel hub electric motor of electric vehicle of integrated caliper | |
| CN109194076A (en) | A kind of electric car high reliability driving motor | |
| CN105914981B (en) | A kind of electric vehicle composite excitation wheel hub motor | |
| CN206446430U (en) | Wheel and the vehicle with it | |
| CN102545515A (en) | Permanent-magnet motor based on Halbach array for electric automobile hub | |
| CN206195570U (en) | Disk does not have iron core magnetic flow modulation motor | |
| CN105896861A (en) | Hub-type axial excitation permanent magnetic motor | |
| CN105958679A (en) | Hybrid magnetic flux permanent magnetic wheel hub motor for driving of electric automobile | |
| CN107482848B (en) | The hub motor of electronic automobile-used band brake disk | |
| CN105914982A (en) | Bilateral magnetic circuit electric wheel hub | |
| CN105529848B (en) | Wheel hub electric motor of electric vehicle and Electricmotor car wheel | |
| KR100947509B1 (en) | Motor having rotors arranged concentrically and driving apparatus having the motor | |
| CN104505961A (en) | Motor generator with external rotor | |
| CN104506005A (en) | Wheel hub type permanent magnet motor of electric car | |
| CN103887907A (en) | Permanent magnet and electromagnet mixed excitation hub driving device of electric vehicle | |
| CN105915007A (en) | Reluctance disc type motor | |
| KR101938889B1 (en) | To the motor and alternator in wheel system for motor vehicles | |
| CN105720772B (en) | A kind of electric car composite excitation motor | |
| CN105703588B (en) | Flywheel-type motor used for diesel engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |