CN106992645A - A kind of wheel hub motor for electric car - Google Patents
A kind of wheel hub motor for electric car Download PDFInfo
- Publication number
- CN106992645A CN106992645A CN201710218727.0A CN201710218727A CN106992645A CN 106992645 A CN106992645 A CN 106992645A CN 201710218727 A CN201710218727 A CN 201710218727A CN 106992645 A CN106992645 A CN 106992645A
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- China
- Prior art keywords
- electric car
- wheel hub
- hull cell
- hub motor
- teeth
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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
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
-
- 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)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
A kind of electric car permanent magnet brushless direct current hub motor damaged with the low material of high efficiency, including field frame assembly and rotor assembly, field frame assembly includes fixed support and closed assembly stator steel disc, closed assembly stator steel disc is made up of several silicon steel plate stackings, closed assembly stator steel disc includes teeth portion and teeth groove portion, teeth portion includes tooth muscle and tooth yoke, the semi-closed port internal cavities that teeth groove portion is formed between any two by teeth portion are constituted, monolithic silicon steel sheet is provided with from catching groove, teeth groove portion is in semi-closed port pyriform slot structure, closed assembly stator steel disc is provided with the first Hull cell, second Hull cell and the 3rd Hull cell, rotor assembly is by peripherally located wheel rim, magnetic guiding loop and some magnetic links are constituted.Present invention optimizes pole groove proportioning, performance is improved, magnet steel and enamel-covered wire consumption is reduced, has saved cost, optimize Hull cell installation site and winding mode, improve production efficiency, enhance installation accuracy.
Description
The application is the divisional application of following application：The applying date：On September 14th, 2015；Application number：
201510578491.2；Denomination of invention " a kind of electric car permanent magnet brushless direct current hub motor damaged with the low material of high efficiency ".
Technical field
The present invention relates to electric vehicle motor technical field, specifically the present invention is more particularly directed to a kind of wheel for electric car
Hub motor.
Background technology
Motor is as one of core component of electric car, and the performance quality of electric vehicle motor directly affects the safety of electric car
Property, operability, reliability and service life cycle.Motor is based on electromagnetic principle, using stator and rotor as core parts,
Kinetic energy or mechanical energy are converted electric energy to, is mainly exported in the form of motor speed and moment of torsion.
Permanent-magnet brushless DC electric machine detects magnetic pole and tooth using permanent-magnet material as motor fixed magnetic pole by Hall element
Groove relative position, control device is transferred to by position signalling, and control device determines the power on/off of three-phase windings by program coding
Order and same power-off time so that coil stator produces the rotation varying magnetic field of certain rule, form unbalanced magnetic field torque, motor
It is able to produce directional-rotation.But existing motor is limited to interior spatial structure, stator does not conform to rotor engagement size relationship
Reason, have impact on the energy conversion efficiency and overall output performance of motor.It is anti-to move back because rare earth pole material has magnetic energy product larger
Magnetic energy power is strong, the characteristic such as heatproof height, can greatly reduce the volume of motor, simplifies internal structure of motor, so that by most of nothing
Brushless motor is used, but be due to motor-field some performance requirements of the motor that highlights of polytropy and requirement it is different, it is past
Toward whole magnetic energy can not be fully utilized, cause pole material utilization rate bottom, rare earth pole material is rare and expensive, causes whole
System is higher into cost；On the other hand, existing motor stator tooth slot structure design is poor, is ensureing the base of motor output characteristics
On plinth, there is higher copper cash consumption, copper loss and stator iron loss is higher, the magnetic pole more low defect of magnetic energy utilization rate.Comprehensive each side
There is the defects such as motor conversion efficiency is low, output torque is not enough, material usage is big in face, existing internal structure of motor.
The content of the invention
It is not enough there is provided a kind of wheel hub motor for electric car it is an object of the invention to solve appeal, closed with structure
Reason, inner space utilization rate height, motor high conversion efficiency, output torque are big, material usage is saved, copper loss and iron loss is low and magnetic energy is sharp
With rate it is high the characteristics of.
Technical problem solved by the invention can be realized using following technical scheme：
A kind of electric car permanent magnet brushless direct current hub motor damaged with the low material of high efficiency, including field frame assembly and rotor
Assembly, the field frame assembly includes fixed support and closed assembly stator steel disc, and the closed assembly stator steel disc is by several silicon steel sheet stacks
Pressure constitute, the closed assembly stator steel disc include teeth portion and teeth groove portion, the teeth portion by tooth muscle and with the tooth muscle integrally connected
Tooth yoke piece is into the semi-closed port internal cavities that the teeth groove portion is formed between any two by teeth portion are constituted, and silicon steel sheet described in monolithic can be set
Have from catching groove, the teeth groove portion is in semi-closed port pyriform slot structure, the closed assembly stator steel disc is provided with the first Hull cell, second suddenly
That groove and the 3rd Hull cell, first Hull cell are located at the side of tooth muscle center line one respectively with second Hull cell
On, the 3rd Hull cell be located at the teeth groove notch midline, the 3rd Hull cell respectively with first Hull cell and
The Hall angle angle formed between second Hull cell is 11 °~12 °, and the rotor assembly is by peripherally located wheel rim, described
The magnetic guiding loop of wheel rim inner periphery and it is mounted on some magnetic links of the magnetic guiding loop inner periphery and constitutes, the magnetic links thickness is
2.2~2.3mm, air gap is formed between the magnetic links and the silicon steel sheet.
The fixed support centre is welded and fixed interference in an axle sleeve, the axle sleeve and connects a motor shaft.
The closed assembly stator outer parameter of steel sheet is 203.3~203.5mm, and the silicon steel sheet is non-oriented silicon steel sheet, the tooth
Muscle width is 6.0~7.0mm, the tooth E Gao≤4.6mm, and the closed assembly stator steel disc groove fillet is 115 °~120 °, described
The teeth groove portion a width of 2.2~2.6mm of notch.
If the closed assembly stator steel disc is made up of the silicon steel sheet of dried layer monolithic punching closed assembly, teeth groove portion notch is a width of
2.2~2.3mm.
The closed assembly stator steel disc is made up of silicon steel sheet punching material strip wound, and teeth groove portion notch a width of 2.4~
2.6mm。
Teeth groove portion slot number is 48.
The Hall mechanical angle that 3rd Hull cell is formed between first Hull cell and the second Hull cell respectively
Best angle is to be respectively mounted Hall element in 11 ° 32 ', first Hull cell, the second Hull cell and the 3rd Hull cell, described
Hall element is constituted using PCB Hall circuits plate weld or hand bonding wire.
The magnetic links optimum thickness is 2.3mm, and some magnetic links are arranged in N-S-N-S cycle balances, the magnetic
Steel disc number is 52, and the magnetic links are in rectangular parallelepiped structure.
Stator winding is provided with some teeth groove portions, the stator winding is Double Layer Winding structure.
The stator winding concentrates winding structure using fractional-slot, and the side counterclockwise of side line of vision is installed with Hall element
To preceding 3 groove of the 3rd Hull cell described in circumference coiling trend for coiling direction of routing, is chosen to originate into wire casing, coiling is to rise
Beginning teeth groove carries out coiling counterclockwise around tooth in the way of winding pitch=1, per mutually altogether around 16 teeth, 4 teeth concentrate coiling to be one group,
Series connection forms a branch road, and the stator winding is with Y-shaped structure welding per phase winding leading-out terminal.
The present invention has following outstanding advantages and effect compared with prior art：The present invention is tied by optimizing pole groove proportioning
Structure, matches 52 poles using 48 grooves, improves chording factor, reduce copper cash consumption, is easy to stator winding to complete fractional-slot and concentrates
The coiling of Double Layer Winding mode, effectively reduces motor cogging torque, improves motor conversion efficiency；By increasing outside stator
Footpath, reduces magnetic links thickness so as to reach reduction magnet steel rare earth material consumption, generally less than same specification motor, has saved and be manufactured into
This；Teeth groove portion flute profile uses pyriform structure, using magnetic circuit saturation principle, the utilization rate of silicon steel material is improved, according to magnetic circuit
The structure groove profile is separately designed, groove area is expanded, is conducive to winding inserting, it is convenient to use rational copper cash, improve moment of torsion
Output；By optimizing Hull cell installation site, the Hall slot structure of tooth center line side is offset using 2 teeth portion Hull cells, is made
Its Optimal improvements Hull cell angle angle, it is ensured that motor phase angle three-phase is divided equally, and three Hull cell span of locations are short, is adapted to
High-volume concentrates bonding wire production using pcb board, improves production efficiency, adds installation accuracy, while coordinating stator winding
Fractional-slot concentratred winding structure, increase the controllable span of rotating speed and power；Optimize teeth groove portion structure, it is ensured that rotating speed and turn
Under the precondition of square output, overall performance is improved.Comprehensive described, the present invention has rational in infrastructure, inner space utilization rate
Height, motor high conversion efficiency, output torque are strong, material usage is saved, copper loss and iron loss is low and the characteristics of high magnetic energy utilization rate.
The features of the present invention see the detailed description of this case schema and following preferable embodiment and obtain clearly
Solution.
Brief description of the drawings
Fig. 1 is the field frame assembly and rotor assembly mounting structure schematic diagram of the embodiment of the present invention；
Fig. 2 is mplifying structure schematic diagram at the A of Fig. 1 parts；
Fig. 3 is the overall cross section structure diagram of the embodiment of the present invention；
Fig. 4 is the magnetic links arrangement schematic diagram of the embodiment of the present invention；
Fig. 5 concentrates winding structure schematic diagram for the stator winding fractional-slot of the embodiment of the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
As shown in Figures 1 to 5, a kind of wheel hub motor for electric car that the present invention is provided, including field frame assembly is with turning
Sub- assembly, field frame assembly includes fixed support 2 and closed assembly stator steel disc 1, and the centre of fixed support 2 is welded and fixed an axle sleeve
21, one motor shaft 22 of interior interference fit connection of axle sleeve 21, the external diameter of closed assembly stator steel disc 1 is 203.3~203.5mm, is added folded
The outside dimension of sub- steel disc 1 is set, inner space utilization rate is improved, closed assembly stator steel disc is by several silicon steel plate stacking structures
Into closed assembly stator steel disc 1 includes teeth portion 11 and teeth groove portion 12, and teeth portion 11 includes tooth muscle 111 and the tooth with the integrally connected of tooth muscle 111
Yoke 112, the semi-closed port internal cavities that teeth groove portion 12 is formed between teeth portion 11 are constituted, and the width of tooth muscle 111 is 6.0~7.0mm, tooth
112 height of yoke≤4.6mm, the groove fillet of closed assembly stator steel disc 1 is 115 °~120 °, a width of 2.2~2.6mm of notch of teeth groove portion 12, silicon
Steel disc is non-oriented silicon steel sheet, and monolithic silicon steel sheet is provided with from catching groove, by optimizing tooth slot structure, utilizes the self-clinching set in silicon steel sheet
Groove, is easy to the planarization of fastening and the overall closed assembly of increase between silicon steel sheet piece, while the folded height of the structure can be according to different capacity
Demand, is adjusted accordingly according to different output speeds and output torque；The slot number of teeth groove portion 12 is 48, and teeth groove portion 12 is in semi-closed port
Pyriform slot structure, this arrangement enhances the stock utilization of silicon steel sheet, expands groove area, is conducive to stator winding coiling, together
When larger area groove area can accommodate rational copper cash, be conducive to improve moment of torsion output；Provided with fixed in some teeth groove portions 12
Sub- winding, stator winding is Double Layer Winding structure, and stator winding concentrates winding structure, stator winding three-phase phase line using fractional-slot
End of incoming cables and leading-out terminal homonymy, Hall element are installed on silicon steel sheet opposite side, are distributed in both sides, and side is installed with Hall element
The counter clockwise direction of line of vision is coiling direction of routing, and preceding 3 groove for choosing the 3rd Hull cell described in circumference coiling trend is starting
Enter wire casing, coiling carries out coiling to originate teeth groove counterclockwise around tooth in the way of winding pitch=1, per mutually altogether around 16 teeth, 4 teeth
It is one group to concentrate coiling, and series connection forms a branch road, and the stator winding is with Y-shaped structure welding per phase winding leading-out terminal；It is folded
Sub- steel disc 1 is set provided with the first Hull cell 13, the second Hull cell 14 and the 3rd Hull cell 15, the first Hull cell 13 and second is suddenly
You are located on the side of 11 center line of tooth muscle one groove 14 respectively, there is angular deviation with center line, and the 3rd Hull cell 15 is located at teeth groove portion
12 notch midlines, the Hall angle angle that the 3rd Hull cell 15 is formed between the first Hull cell 13 and the second Hull cell 14 respectively
Spend for 11 °~12 °, by the relation between reasonable computation magnetic potential phase angle and the mechanical angle of teeth groove portion 12, optimize Hall folder
Angle angle, is conducive to meeting adjustment motor three-phase phase angle so that three phase angle three-phases are divided equally；First Hull cell 13, the second Hall
Hall element is respectively mounted in the Hull cell 15 of groove 14 and the 3rd, Hall element uses PCB Hall circuits plate weld or hand bonding wire structure
Into its solderable 60 ° or 120 ° of phase angle motors；Rotor assembly is by peripherally located wheel rim 3, the magnetic guiding loop 4 of the inner periphery of wheel rim 3
And be mounted on some magnetic links 5 of the inner periphery of magnetic guiding loop 4 and constitute, the thickness of magnetic links 5 is 2.2~2.3mm, by reducing magnetic links
5 thickness are so as to reach reduction magnet steel rare earth material consumption, and magnetic links use neodymium iron boron 38MT materials, magnet steel remanent magnetism Br=1220-
1250mT, coercivity H b >=899kA/m, HCJ Hcj >=1114kA/m, using material maximum magnetic energy product (BH) max
=287-310kJ/m3, maximum operating temperature has saved manufacturing cost up to 120 degrees Celsius；Some magnetic links 5 are in N-S-N-S
Cycle balance is arranged, and magnetic links 5 are in rectangular parallelepiped structure, air gap are formed between magnetic links 5 and silicon steel sheet, the number of magnetic links 5 is
52, the structure of 48 groove teeth groove portion 12 is matched, pole groove proportioning structure is optimized, magnetic links 5 can be completed under the proportioning structure thick
That spends reduces the number of.
The closed-loop path route in magnetic field involved in the present invention is：Magnetic pole N- air gaps-tooth muscle-tooth yoke-tooth muscle-air gap-is right
Pole magnetic pole S- is to pole magnetic pole N- magnetic guiding loops-one closed magnetic circuit loop of magnetic pole S formation.
Embodiment 1
According to above-mentioned overall structure, closed assembly stator steel disc 1 of the present invention is using some silicon steel sheet structures stacked in monolithic punching
Into, a width of 2.2~2.3mm of notch of teeth groove portion 12, the 3rd Hull cell 15 respectively with the first Hull cell 13 and the second Hull cell 14 it
Between the Hall angle best angle that is formed be 11 ° 32 ', the optimum thickness of magnetic links 5 is 2.3mm.
Embodiment 2
According to above-mentioned overall structure, closed assembly stator steel disc 1 of the present invention is made up of silicon steel sheet punching material strip wound, teeth groove portion 12
A width of 2.4~the 2.6mm of notch, the Hall that the 3rd Hull cell 15 is formed between the first Hull cell 13 and the second Hull cell 14 respectively
Angle best angle is 11 ° 32 ', and the optimum thickness of magnetic links 5 is 2.3mm.
The present invention matches the pole groove proportioning structure of 48 grooves using 52 poles, by reducing the number of magnetic links thickness, increases closed assembly stator
Outer parameter of steel sheet size, optimizes internal structure, takes full advantage of inner space, reaches reduction magnetic links consumption, adds magnet steel
Sheet material utilization rate, reduces the effect of cost, adds the performance of motor；The present invention utilizes magnetic circuit saturation principle, closes
Reason optimizes teeth groove portion structure, with reference to rational size range, using semi-closed port pyriform slot structure, improves silicon steel material
Utilization rate, it is convenient to select rational copper cash by expanding groove area, be conducive to copper cash coiling to complete stator winding, by improving
Chording factor, reduces copper cash consumption, is conducive to improving the output of moment of torsion, matches somebody with somebody while the trench structure is applicable to a variety of pole grooves
Than and winding structure, improve the controllable scope of rotating speed and power；By optimizing Hull cell installation site, using 2 teeth
The Hall slot structure of portion Hull cell skew tooth center line side, optimizes Hull cell mechanical angle, and the improvement of the structure is conducive to meeting
Motor three-phase phase angle is adjusted, and Hull cell span is short, pcb board when being easy to produce in enormous quantities concentrates bonding wire, optimizes production
Technique, while coordinating the special of stator winding to match somebody with somebody winding construction, increases the controllable span of rotating speed and power, while ensure that phase
Parallactic angle three-phase is divided equally；Stator winding uses Double Layer Winding structure, and winding structure and air gap flux density ripple are concentrated using stator fractional-slot
Shape suits Sine distribution, improves the performance of motor.
Comprehensive described, the present invention has efficient electromagnetic path, and superior output torque performance is also closed with compact conformation
Reason, inner space utilization rate are high, performance is superior, rare earth material utilization rate is high, copper loss and iron loss are relatively low, material usage is saved,
The characteristics of magnetic energy utilization rate is high.
As known by the technical knowledge, the present invention can be by the embodiment party of other essence or essential feature without departing from its spirit
Case is realized.Therefore, embodiment disclosed above, for each side, is all merely illustrative, and is not only.Institute
Have within the scope of the present invention or be included in the invention in the change being equal in the scope of the present invention.
Claims (14)
1. a kind of wheel hub motor for electric car, it is characterised in that including field frame assembly and rotor assembly, the field frame assembly
Including fixed support and closed assembly stator steel disc, the closed assembly stator steel disc includes teeth portion and teeth groove portion, and the teeth groove portion is by described
The semi-closed port internal cavities that teeth portion is formed between any two are constituted, and the teeth portion includes tooth muscle and tooth yoke；The rotor assembly includes
Wheel rim, magnetic guiding loop and magnetic links, the magnetic guiding loop are located at the wheel rim inner periphery, and the inner periphery of the magnetic guiding loop is provided with some
Magnetic links, the magnetic links are arranged in N-S-N-S cycle balances, the magnetic field closed-loop path between the field frame assembly and rotor assembly
For：Magnetic pole N- air gaps-tooth muscle-tooth yoke-tooth muscle-air gap-is to level magnetic pole S- to level magnetic pole N- magnetic guiding loops-magnetic pole S.
2. a kind of wheel hub motor for electric car as claimed in claim 1, it is characterised in that first Hull cell and institute
State the second Hull cell to be respectively located on the side of tooth muscle center line one, the 3rd Hull cell is located in 2 mouthfuls of the teeth groove groove
At line, the Hall angle angle that the 3rd Hull cell is formed between first Hull cell and the second Hull cell respectively is
11 °~12 °.
3. a kind of wheel hub motor for electric car as claimed in claim 2, it is characterised in that first Hull cell, the
Hall element is respectively mounted in two Hull cells and the 3rd Hull cell, the Hall element uses PCB Hall circuits plate weld or hand
Bonding wire is constituted.
4. a kind of wheel hub motor for electric car as claimed in claim 1, it is characterised in that the notch in the teeth groove portion
Width is 2.2-2.6mm.
5. a kind of wheel hub motor for electric car as described in any one of claim 1 or 2, it is characterised in that the wheel hub
The pole groove of motor includes 52 magnetic links than structure and matches 48 grooves etc..
6. a kind of wheel hub motor for electric car as described in any one of Claims 2 or 3, it is characterised in that the teeth groove
Stator winding is provided with portion, the stator winding concentrates winding structure using fractional-slot, and side line of vision is installed with Hall element
Counter clockwise direction be coiling direction of routing, it is starting inlet wire to choose preceding 3 groove of the 3rd Hull cell described in circumference coiling trend
Groove, coiling carries out coiling to originate teeth groove counterclockwise around tooth in the way of winding pitch=1, per mutually altogether around 16 teeth, 4 teeth are concentrated
Coiling is one group, and series connection forms a branch road, and the stator winding is with Y-shaped structure welding per phase winding leading-out terminal.
7. a kind of wheel hub motor for electric car as claimed in claim 4, it is characterised in that the width of the tooth muscle is
6.0-7.0mm。
8. a kind of wheel hub motor for electric car as described in claim 1,4 or 7 any one, it is characterised in that the tooth
Height >=4.6mm of yoke.
9. a kind of wheel hub motor for electric car as claimed in claim 5, it is characterised in that the magnetic links thickness is
2.2-2.3mm。
10. a kind of wheel hub motor for electric car as claimed in claim 9, it is characterised in that the closed assembly stator steel disc
External diameter be 203.3-203.5mm.
11. a kind of wheel hub motor for electric car as claimed in claim 1, it is characterised in that the closed assembly stator steel disc
Including some silicon steel sheets mutually laminated, the silicon steel sheet is provided with from catching groove.
12. a kind of wheel hub motor for electric car as claimed in claim 1, it is characterised in that the magnetic links and silicon steel
There is air gap between piece.
13. a kind of wheel hub motor for electric car as claimed in claim 8, it is characterised in that the closed assembly stator steel disc
Groove between angle be 115 ° -120 °.
14. a kind of wheel hub motor for electric car as claimed in claim 5, it is characterised in that the teeth groove portion is in semi-closure
Mouth pyriform slot structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710218727.0A CN106992645B (en) | 2015-09-14 | 2015-09-14 | Hub motor for electric vehicle |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510578491.2A CN105099111B (en) | 2015-09-14 | 2015-09-14 | A kind of electric motor car permanent magnet brushless direct current hub motor |
| CN201710218727.0A CN106992645B (en) | 2015-09-14 | 2015-09-14 | Hub motor for electric vehicle |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510578491.2A Division CN105099111B (en) | 2015-09-14 | 2015-09-14 | A kind of electric motor car permanent magnet brushless direct current hub motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106992645A true CN106992645A (en) | 2017-07-28 |
| CN106992645B CN106992645B (en) | 2020-05-22 |
Family
ID=54578913
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710219006.1A Active CN106992646B (en) | 2015-09-14 | 2015-09-14 | Hub motor for electric vehicle |
| CN201510578491.2A Active CN105099111B (en) | 2015-09-14 | 2015-09-14 | A kind of electric motor car permanent magnet brushless direct current hub motor |
| CN201710218727.0A Active CN106992645B (en) | 2015-09-14 | 2015-09-14 | Hub motor for electric vehicle |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710219006.1A Active CN106992646B (en) | 2015-09-14 | 2015-09-14 | Hub motor for electric vehicle |
| CN201510578491.2A Active CN105099111B (en) | 2015-09-14 | 2015-09-14 | A kind of electric motor car permanent magnet brushless direct current hub motor |
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| Country | Link |
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| CN (3) | CN106992646B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289745A (en) * | 2019-07-25 | 2019-09-27 | 苏州金莱克汽车电机有限公司 | A kind of brushless motor with modified tone formula commutation angle |
| CN111641302B (en) * | 2020-05-19 | 2022-08-05 | 台州市金宇机电有限公司 | Winding method of motor stator for electric vehicle |
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2015
- 2015-09-14 CN CN201710219006.1A patent/CN106992646B/en active Active
- 2015-09-14 CN CN201510578491.2A patent/CN105099111B/en active Active
- 2015-09-14 CN CN201710218727.0A patent/CN106992645B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000042696A1 (en) * | 1999-01-11 | 2000-07-20 | Elliott Industries Limited | An electric motor, a wheel and drive apparatus for an electric vehicle |
| CN2471014Y (en) * | 2001-04-03 | 2002-01-09 | 江苏白雪电器股份有限公司 | Brushless dc. motor |
| CN1562655A (en) * | 2004-04-05 | 2005-01-12 | 宁波北斗科技有限公司 | Driving wheel hub of electric motor car |
| CN204304713U (en) * | 2014-11-28 | 2015-04-29 | 浙江雅迪机车有限公司 | Hub-type electric rotating machine |
| CN204334140U (en) * | 2015-01-12 | 2015-05-13 | 台州市金宇机电有限公司 | The automobile-used hub direct-drive motor of high-power electric |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105099111B (en) | 2017-03-15 |
| CN106992646B (en) | 2020-03-24 |
| CN105099111A (en) | 2015-11-25 |
| CN106992645B (en) | 2020-05-22 |
| CN106992646A (en) | 2017-07-28 |
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