CN109194076A - A kind of electric car high reliability driving motor - Google Patents
A kind of electric car high reliability driving motor Download PDFInfo
- Publication number
- CN109194076A CN109194076A CN201811281187.1A CN201811281187A CN109194076A CN 109194076 A CN109194076 A CN 109194076A CN 201811281187 A CN201811281187 A CN 201811281187A CN 109194076 A CN109194076 A CN 109194076A
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- winding
- armature winding
- core
- phase
- stator
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Classifications
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- 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
-
- 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
-
- 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)
- Electric Propulsion And Braking For Vehicles (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
A kind of electric car high reliability driving motor belongs to electric vehicle engineering field, including shell, permanent magnet, non-magnetic rotor core, magnetic conduction rotor core, stator core, armature winding, excitation winding etc.;Stator core is divided into the groove that the non-magnetic rotor core of sub- iron core that 12 divide mutually has 14 isosceles trapezoids, and the groove of ancient cooking vessel shape is embedded with the magnetic conduction rotor core of isosceles trapezoid；There are two dovetail type protrusions incremental downwards to be stuck in non-magnetic rotor core for the tail end of the magnetic conduction rotor core of ancient cooking vessel shape;It is fixed with the permanent magnet of radial magnetizing in the stator poles of stator core side, excitation winding is wherein wound in the stator poles of side, is wound with armature winding in the stator poles of the stator core other side.The advantages that generator of the invention has the sub- iron core of independent stator, and each winding is mutually isolated, can effectively prevent fault propagation, while composite excitation driving motor of the invention has structure simple, and rotor contact surface is big, and power density is high.
Description
Technical field
The present invention relates to a kind of electric car high reliability driving motors, belong to electric vehicle engineering field.
Background technique
Today's society environmental degradation, energy shortage problem become increasingly conspicuous, and requirement of the whole society to energy conservation and environmental protection is just promoting
The development of new-energy automobile.Electric car is increasingly becoming the Main way of development as the representative of new-energy automobile.Driving electricity
Machine is one of the key technology to be studied of electric car.
Electric car mainly uses permanent magnetic brushless at present, simple with structure, reliable for operation, small in size, loss
Few and motor shape and size can wait remarkable advantages with versatile and flexible.But this motor waits function since excitation is non-adjustable
Rate adjustable speed ratio is low, more margins of power is needed to actual applying working condition variation range, so that its economy is poor.Mixing
The driving motor of excitation is taken seriously, and magnetic field size is controlled by the electric current of its magnet exciting coil by adjusting, electronic to adapt to
The actual applying working condition variation of vehicle.
Permanent magnetic brushless has had received widespread attention as the problems of driving motor of electric vehicle.Current
Patent in have solution go solve this problem.The patent of invention of Publication No. CN106487111A: single-phase permanent electricity
Machine, including stator and can relative stator rotation rotor, stator core includes outer portion, and outer portion tooth body circumferentially stretches out pole shoe,
Rotor is contained in the space that pole shoe surrounds, several permanent-magnet poles being circumferentially arranged along rotor, outer surface to rotor axis
Distance is gradually reduced from circumferential two sides are yearned for its week, to form asymmetric air gap between permanent-magnet pole and pole shoe surface, improves electricity
Machine starts reliability.In terms of mixed excitation electric machine, existing related application mainly have application No. is: 201210572574.7
Application for a patent for invention: Parallel-magnetic-cihybrid-excitation hybrid-excitation permanent magnet motor, the side which passes through the increase electrical excitation inside magneto
The hybrid excitation permanent magnet motor that formula is formed successfully solves magneto air-gap field and adjusts difficult problem.
Motor enhances the reliability of motor and error resilience performance by being effectively isolated between phase and phase, has isolation function
Can motor in, existing related application mainly has that application No. is the applications for a patent for invention of CN201010120847.5: Yi Zhongrong
Wrong formula permanent-magnetism linear motor, including stator, mover and armature winding.Multiple armature tooths uniformly at intervals on its stator, armature around
Group is around on armature tooth, is arranged a set of armature winding in the tooth socket of each armature tooth, armature tooth described in each adjacent two it
Between be arranged an isolation tooth；Permanent magnet is mounted on armature tooth ends, and the height that tooth is isolated is greater than the armature tooth for being pasted with permanent magnet
Height；Mover is the salient pole shape being made of mover iron core and multiple mover teeth.The invention simple, power density with structure
High, high reliablity, motor has physical isolation between phase and phase, be thermally isolated and magnetic circuit decoupling, permanent magnet are suitable for heat dissipation, with former
Barrier operation and error resilience performance are strong.
The invention proposes a kind of electric car high reliability driving motor, stator core is by a sub- iron divided mutually of 6X
Heart composition is fixed with the permanent magnet of cutting orientation magnetizing there are two stator poles on every sub- iron core in the stator poles of stator core side,
It is wound with excitation winding in every sub- one of stator poles of iron core, is wound with armature winding in another stator poles.Hair of the invention
Motor has the sub- iron core of independent stator, and each winding is mutually isolated, can effectively prevent fault propagation, while of the invention mixed
The advantages that closing excitation driving motor has structure simple, and rotor contact surface is big, and power density is high.
Applicant is retrieved both at home and abroad at present, not yet retrieves above-mentioned technology according to the present invention.
Summary of the invention
In order to invent a kind of electric car high reliability driving motor, controlled by adjusting by the electric current of its magnet exciting coil
Magnetic field size processed realizes that electric vehicle adapts to the function of actual applying working condition, the present invention adopts the following technical scheme:
A kind of electric car high reliability driving motor, it is characterised in that:
Including shell, permanent magnet, non-magnetic rotor core, magnetic conduction rotor core, stator core, armature winding, excitation winding and
Axis；
The shell is made of non-magnet material, and inside is fixed with stator core；
Stator core is divided into 12 sub- iron cores divided mutually, and 12 sub- iron cores are circumferentially evenly distributed；Every sub- iron core has
Two parallel stator poles are fixed with the permanent magnet of radial magnetizing in the stator poles of stator core side；
Non-magnetic rotor core is located on the inside of stator core and is fixed on axis；Non-magnetic rotor core has 14 isosceles trapezoids
Groove, groove is embedded with the magnetic conduction rotor core of ancient cooking vessel shape, and the bottom of magnetic conduction rotor core is embedded into there are two dove-tail form protrusion
In the dove-tail form groove of bottom portion of groove；
The circular arc that the total circular arc arc length in inside in the same stator core is equal on the outside of magnetic conduction rotor core is long；
A kind of electric car high reliability driving motor as described above, it is characterised in that:
Stator core is wherein wound with excitation winding in the stator poles of side, and all excitation windings are around to consistent；
Armature winding is wound in the stator poles of the stator core other side, armature winding is divided into A phase armature winding according to phase difference,
B phase armature winding, C phase armature winding, D phase armature winding, E phase armature winding and G phase armature winding；All armature winding around
To consistent；
Excitation winding and armature winding are all centralized winding, armature winding and excitation winding around to opposite.
A kind of electric car high reliability driving motor as described above, it is characterised in that:
The identical or adjacent permanent magnet magnetizing direction of all permanent magnet magnetizing directions is opposite.
A kind of electric car high reliability driving motor as described above, it is characterised in that:
Six phase armature winding connect two three-phase inverters respectively, and after wherein a phase winding breaks down, remaining each phase winding can
To continue the work of drop volume.
Beneficial effects of the present invention are as follows:
1. a kind of electric car high reliability driving motor of the present invention has six phase windings, remaining each phase after phase failure
It can continue to run；
2. without excitation winding on the rotor that the present invention uses, has the characteristics that structure is simple, high reliablity, be suitble to generator high
Speed rotation；
3. motor has independent stator core, it can effectively realize Magnetic isolation, avoid interacting between each winding；
4. total magnetic linkage length can effectively be reduced, reduce iron loss；
5. the gradual magnetic conduction of rotor core can change the square wave back-emf of traditional reluctance motor as approximate sine wave, reduction
Harmonic wave and pulsation.
Detailed description of the invention
Fig. 1 is a kind of electric car high reliability driving motor transverse direction schematic cross-sectional view of the invention.Wherein: 1, outer
Shell, 2, permanent magnet, 3, excitation winding, 4, stator core, 5, armature winding, 6, magnetic conduction rotor core, 7, axis, 8, non-magnetic rotor
Iron core.
Fig. 2 is a kind of embedding figure of electric car high reliability driving motor of the invention.Wherein: 1-12 respectively represents 12
A slot, F, A, B, C, D, E, G respectively represent excitation winding and A phase armature winding, B phase armature winding, C phase armature winding, D phase electricity
Pivot winding, E phase armature winding and G phase armature winding.
Fig. 3 is a kind of electric car high reliability driving motor binary channels inverter figure of the invention.
Fig. 4 is six phase magnetic linkage figure of a kind of electric car high reliability driving motor of the invention.
Specific embodiment
The invention is described in further details with reference to the accompanying drawing.
Fig. 1 is a kind of electric car high reliability driving motor transverse direction schematic cross-sectional view of the invention.Described one kind
Electric car high reliability driving motor includes shell 1, permanent magnet 2, excitation winding 3, stator core 4, armature winding 5, magnetic conduction
Rotor core 6, axis 7 and non-magnetic rotor core 8；
The shell 1 is made of non-magnet material, and inside is fixed with stator core 4；
Stator core 4 divides the sub- iron core divided mutually for 12, and 12 sub- iron cores are circumferentially evenly distributed；
Every sub- iron core is fixed with radial fill in the stator poles of the side counterclockwise of stator core 4 all there are two parallel stator poles
The permanent magnet 2 of magnetic；
Non-magnetic rotor core 8 is located at 4 inside of stator core and is fixed on axis 7；
Non-magnetic rotor core 8 has the groove of 14 isosceles trapezoids, and groove is embedded with the magnetic conduction rotor core of ancient cooking vessel shape, and magnetic conduction turns
The bottom of sub- iron core 6 is embedded into the dove-tail form groove of bottom portion of groove there are two dove-tail form protrusion；
The circular arc that the total circular arc arc length in inside in the same stator core 4 is equal to 6 outside of magnetic conduction rotor core is long；
A kind of electric car high reliability driving motor as described above, it is characterised in that:
It is wound with excitation winding 3 in the stator poles of stator core is counterclockwise side, all excitation windings 3 are around to consistent；
Armature winding 5 is wound in the stator poles of stator iron side clockwise, armature winding 5 is divided into A phase armature according to phase difference
Winding, B phase armature winding, C phase armature winding, D phase armature winding, E phase armature winding and G phase armature winding；All armatures
Winding is around to consistent；
Excitation winding 3 and armature winding 5 are all centralized winding, armature winding 5 and excitation winding 3 around to opposite.
A kind of electric car high reliability driving motor as described above, it is characterised in that:
Identical or adjacent 2 magnetizing direction of permanent magnet of all 2 magnetizing directions of permanent magnet is opposite.
A kind of electric car high reliability driving motor as described above, it is characterised in that:
Six phase armature winding connect two three-phase inverters respectively, and after wherein a phase winding breaks down, remaining each phase winding can
To continue the work of drop volume.
Fig. 2 is a kind of embedding figure of electric car high reliability driving motor of the invention.As shown, the stator of motor
It is extremely upper to be alternately wound with excitation winding 3 and armature winding 5；The coiling direction of all excitation windings 3 is identical；Adjacent armatures winding 5 around
To opposite；Armature winding can be divided into six phases according to phase difference, be respectively A phase armature winding, B phase armature winding, C phase armature around
Group, D phase armature winding, E phase armature winding and G phase armature winding；The coiling direction of all armature winding is identical.Armature winding 5
It is all centralized winding with excitation winding 3.
Fig. 3 is a kind of electric car high reliability driving motor binary channels inverter figure of the invention.Two phase windings difference
Two three-phase inverters are connect, after wherein a phase winding breaks down, remaining each phase winding can continue the work of drop volume.Two logical
It is mutually isolated between road, the failure in a channel will not travel to second channel.
Fig. 4 is six phase magnetic linkage figure of a kind of electric car high reliability driving motor of the invention.When rotor pole alignment A phase is fixed
When sub- pole, A phase magnetic linkage is maximum；When rotor pole is staggered completely with A phase stator poles, A phase magnetic linkage is minimum.
Below to a kind of explanation of electric car high reliability driving motor progress working principle proposed by the present invention.
A kind of electric car high reliability driving motor of the present invention drives rotor rotation by the rotation of axis, at this time
Permanent magnet generates radial magnetic field.Permanent magnetic field on the sub- iron core of stator core pass sequentially through stator poles on sub- iron core, air gap,
The magnetic conduction rotor core of ancient cooking vessel shape, air gap, the sub- iron core of stator another stator poles, stator yoke, eventually pass back to initial stator poles, shape
At closed magnetic circuit.When rotor pole with wherein a phase stator poles are completely overlapped when, the linkage of the armature winding in the phase stator poles
Magnetic resistance is minimum, magnetic linkage is maximum, and the mutual inductance of the phase armature winding and excitation winding is also maximum.The electric car high reliability is driven
Motor, the phase winding that inductance rises pass to forward current, then the winding can produce positive torque；The phase declined to inductance
Winding passes to forward current, then the winding can produce negative torque.The present invention and traditional technology significant difference turn there are also a bit
Sub- pole has been covered with rotor circumference, therefore the magnetic flux that can be connected is big, and power is big.
Claims (4)
1. a kind of electric car high reliability driving motor, it is characterised in that:
Including shell, permanent magnet, excitation winding, stator core, armature winding, magnetic conduction rotor core, axis and non-magnetic rotor iron
The heart；
The shell is made of non-magnet material, and inside is fixed with stator core；
Stator core is divided into 12 sub- iron cores divided mutually, and 12 sub- iron cores are circumferentially evenly distributed；Every sub- iron core has
Two parallel stator poles are fixed with the permanent magnet of radial magnetizing in the stator poles of stator core side；
Non-magnetic rotor core is located on the inside of stator core and is fixed on axis；Non-magnetic rotor core has 14 isosceles trapezoids
Groove, groove is embedded with the magnetic conduction rotor core of ancient cooking vessel shape, and the bottom of magnetic conduction rotor core is embedded into there are two dove-tail form protrusion
In the dove-tail form groove of bottom portion of groove；
The total circular arc arc length in inside in the same stator core is equal to the circular arc arc length on the outside of magnetic conduction rotor core.
2. a kind of electric car high reliability driving motor as described in claim 1, it is characterised in that:
Stator core is wherein wound with excitation winding in the stator poles of side, and all excitation windings are around to consistent；
Armature winding is wound in the stator poles of the stator core other side, armature winding is divided into A phase armature winding according to phase difference,
B phase armature winding, C phase armature winding, D phase armature winding, E phase armature winding and G phase armature winding；All armature winding around
To consistent；
Excitation winding and armature winding are all centralized winding, armature winding and excitation winding around to opposite.
3. a kind of electric car high reliability driving motor as described in claim 1, it is characterised in that:
The identical or adjacent permanent magnet magnetizing direction of all permanent magnet magnetizing directions is opposite.
4. a kind of electric car high reliability driving motor as claimed in claim 2, it is characterised in that:
Six phase armature winding connect two three-phase inverters respectively, and after wherein a phase winding breaks down, remaining each phase winding can
To continue the work of drop volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811281187.1A CN109194076B (en) | 2018-10-31 | 2018-10-31 | High-reliability driving motor of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811281187.1A CN109194076B (en) | 2018-10-31 | 2018-10-31 | High-reliability driving motor of electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109194076A true CN109194076A (en) | 2019-01-11 |
| CN109194076B CN109194076B (en) | 2021-04-02 |
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ID=64940914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811281187.1A Active CN109194076B (en) | 2018-10-31 | 2018-10-31 | High-reliability driving motor of electric automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN109194076B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323853A (en) * | 2019-07-31 | 2019-10-11 | 上海电力大学 | Five-phase 5N/4N pole armature excitation distributed fault-tolerant electric excitation double-salient motor |
| CN110957832A (en) * | 2019-12-09 | 2020-04-03 | 山东唐骏欧铃汽车制造有限公司 | Automobile engine driven permanent magnet generator |
| CN110994817A (en) * | 2019-11-26 | 2020-04-10 | 北京动力机械研究所 | Six-phase magnetic flux switching motor capable of running at high speed |
| CN112421906A (en) * | 2020-12-18 | 2021-02-26 | 山东理工大学 | Production method of unilateral retaining modular driving motor rotor with bat-shaped groove |
| CN112491231A (en) * | 2020-12-31 | 2021-03-12 | 山东理工大学 | Hybrid excitation salient pole block rotor switch flux motor |
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| CN101183804A (en) * | 2007-09-24 | 2008-05-21 | 南京航空航天大学 | Three-phase external rotor electric excitation biconvex pole wind power generator |
| CN101764492A (en) * | 2010-01-28 | 2010-06-30 | 南京航空航天大学 | Composite excitation partitioned stator and rotor switched reluctance motor |
| CN102185451A (en) * | 2011-04-19 | 2011-09-14 | 南京航空航天大学 | Segmented rotor type magnetic flux switching motor with hybrid excitation and magnetic adjustment method |
| CN202260670U (en) * | 2011-09-02 | 2012-05-30 | 浙江西子富沃德电机有限公司 | Low-torque ripple doubly salient motor |
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| CN204408154U (en) * | 2015-03-13 | 2015-06-17 | 南京信息工程大学 | A kind of double winding modular stator permanent-magnet type magnetic flux switches bearing-free motor |
| CN106549543A (en) * | 2017-01-14 | 2017-03-29 | 山东理工大学 | Automobile engine directly drives five phase electric excitation generators |
| CN106602829A (en) * | 2017-01-14 | 2017-04-26 | 山东理工大学 | Five-phase strong fault-tolerant permanent magnet motor for automobile |
| CN106787284A (en) * | 2017-02-13 | 2017-05-31 | 南京航空航天大学 | A kind of Modular electrical excitation biconvex electrode electric machine |
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| JP2002199679A (en) * | 2000-12-28 | 2002-07-12 | Denso Corp | Inductor type electric machine having magnet equipped armature |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323853A (en) * | 2019-07-31 | 2019-10-11 | 上海电力大学 | Five-phase 5N/4N pole armature excitation distributed fault-tolerant electric excitation double-salient motor |
| CN110994817A (en) * | 2019-11-26 | 2020-04-10 | 北京动力机械研究所 | Six-phase magnetic flux switching motor capable of running at high speed |
| CN110957832A (en) * | 2019-12-09 | 2020-04-03 | 山东唐骏欧铃汽车制造有限公司 | Automobile engine driven permanent magnet generator |
| CN110957832B (en) * | 2019-12-09 | 2021-10-19 | 山东唐骏欧铃汽车制造有限公司 | Automobile engine driven permanent magnet generator |
| CN112421906A (en) * | 2020-12-18 | 2021-02-26 | 山东理工大学 | Production method of unilateral retaining modular driving motor rotor with bat-shaped groove |
| CN112491231A (en) * | 2020-12-31 | 2021-03-12 | 山东理工大学 | Hybrid excitation salient pole block rotor switch flux motor |
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