CN107026545B - A kind of hybrid vehicle brushless Double-stator motor - Google Patents
A kind of hybrid vehicle brushless Double-stator motor Download PDFInfo
- Publication number
- CN107026545B CN107026545B CN201710442608.3A CN201710442608A CN107026545B CN 107026545 B CN107026545 B CN 107026545B CN 201710442608 A CN201710442608 A CN 201710442608A CN 107026545 B CN107026545 B CN 107026545B
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- China
- Prior art keywords
- stator
- magnetic ring
- adjustable magnetic
- internal rotor
- axial line
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/04—Machines with one rotor and two stators
-
- 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
- H02K1/14—Stator cores with salient poles
-
- 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
- H02K1/17—Stator cores with permanent magnets
-
- 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
- H02K21/021—Means for mechanical adjustment of the excitation flux
-
- 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)
- Permanent Magnet Type Synchronous Machine (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a kind of hybrid vehicle brushless Double-stator motors, including motor casing (5), the first stator (1), adjustable magnetic ring (3) and the second stator (4) being from left to right arranged successively in motor casing (5), it is internal that internal rotor (2) is located at the first stator (1);Internal rotor (2) is connect with the output shaft (6) of internal combustion engine, internal combustion engine output shaft (6) is supported in the left side bearing hole of casing (5), adjustable magnetic ring (3) connects main reducing gear input shaft (3-3), and main reducing gear input shaft (3-3) is supported in the right side bearing hole of casing (5);First stator (1) axial line, internal rotor (2) axial line, adjustable magnetic ring (3) axial line and the second stator (4) axial line coincide.The motor brushless, slip ring structure can reduce the complexity of electric machine structure, improve the reliability of motor work, reduce electrical machmary maintenance cost, are conducive to winding heat dissipation and improve rotor dynamic balancing performance, increase working efficiency.
Description
Technical field
The invention belongs to field of hybrid electric vehicles, and in particular to a kind of hybrid vehicle brush-less permanent magnetic-magnetic resistance is compound
Formula Double-stator motor.
Background technique
Hybrid electric vehicle is transitional product of the fuel-engined vehicle to pure electric vehicle, in hybrid electric vehicle research, in order to overcome
Engine and system other component are unable to cooperation in existing tandem, parallel driving device, for whole system volume
It is heavy, structure is complicated, energy consumption discharge is big, and cannot effective output power the problem of, Chinese patent literature CN1929244A in
On March 14th, 2007 provides a kind of axial radial flux structure compound permanent-magnet machine.The design feature of the motor turns for permanent magnetism
Son is drum-shaped, and the left outer surface of p-m rotor has the permanent magnet of multiple axial chargings, the inner circle wall surface installation of p-m rotor
There is the permanent magnet of multiple radial magnetizings.
The patent the problem is that: there is the winding of rotation on iron core, need to install on end face to the left brush,
Electric energy to be input in battery group as its charging or power to stator for it by slip ring structure, while the presence of brush increases
Mechanical oscillation and noise, increase mechanical wear and maintenance cost, reduce device reliability and transmission efficiency, while internal rotor
Winding also radiates difficulty.
Summary of the invention
Existing axial radial flux structure compound permanent-magnet machine there are aiming at the problem that, technology to be solved by this invention
Problem is just to provide a kind of hybrid vehicle brushless Double-stator motor, which can reduce motor
The complexity of structure improves the reliability of motor work, reduces electrical machmary maintenance cost, while being conducive to winding heat dissipation and improving turn
Sub- dynamic balance performance increases working efficiency.
It is realized the technical problem to be solved by the present invention is to technical solution in this way, it includes motor casing, motor
The first stator, adjustable magnetic ring and the second stator being from left to right arranged successively in shell, internal rotor are located at the first stator interior;
First stator inner surface has 12 salient poles, and three-phase centralization winding is embedded in the tooth socket of the first stator inner surface
In;Internal rotor circumferentially equably leads directly to eight pieces of permanent magnets of insertion;The right side of internal rotor is adjustable magnetic ring, and adjustable magnetic ring is led by eight pieces
Magnet and eight pieces of non-magnetizers are alternately arranged the cirque structure of composition;Second stator is located at the right side of adjustable magnetic ring,
The left end face of second stator, which radially diverges, is provided with eight fan grooves, is the second stator between adjacent two fan groove
Salient pole has the second stator backlash in the second stator salient poles, is wound with excitation winding between two neighboring second stator backlash, and three
Mutually distributed armature winding is wrapped in stator salient poles, and stator permanent magnet is attached to the second stator salient poles surface;
The output axis connection of internal rotor and internal combustion engine, internal combustion engine output shaft are supported in the left side bearing hole of casing, adjustable magnetic
Ring connects main reducing gear input shaft, and main reducing gear input shaft is supported in the right side bearing hole of casing;It is first stator axial line, interior
Rotor axis line, adjustable magnetic ring axial line and the second stator axial line coincide.
The solution have the advantages that:
1, there was only permanent magnet on internal rotor of the present invention without winding, be easy to cooling, solve heating in winding and rotor dynamic balancing
Problem;It avoids simultaneously using electric brush slip ring structure, to realize motor non-brushing;Non-brushing keeps electric machine structure simple, improves machine
Electric energy conversion efficiency and reliability reduce maintenance cost without lubrication;
2, three-phase centralization armature winding, excitation winding and permanent magnet are placed simultaneously in the second stator, at " pure permanent magnetism " and
Obtain balance between " pure electrical excitation ", solve permanent magnet flux switch motor main field adjust difficult, permanent magnet generation can not
The problem of inverse demagnetization risk, and it is low to avoid " electrical excitation " motor torque density, enhances air-gap field regulating power, is suitable for
Various adverse circumstances;
3, the internal rotor in the present invention and its permanent magnet, adjustable magnetic ring, the second stator and its permanent magnet constitute magnetic gear and pass
Dynamic device, utilizes magnetic drives, and no Mechanical Contact overcomes the intrinsic mechanical fatigue of mechanical gear transmission device, friction
The disadvantages of loss, vibration noise;Without lubrication in operational process, clean, without greasy dirt;Transmission can be separated in time in overload to close
System has self-protection function, meanwhile, magnetic gear, which runs smoothly, can accurately determine the torque capacity that can be transmitted.
Detailed description of the invention
Detailed description of the invention of the invention is as follows:
Fig. 1 is the driving system structure figure that the present invention is applied to hybrid electric vehicle;
Fig. 2 is the first stator and internal rotor sectional view;
Fig. 3 is adjustable magnetic ring sectional view;
Fig. 4 is the second stator left view;
Fig. 5 is the second stator top view.
In figure: 1. first stators;1-1. three-phase centralization winding;The first stator salient poles of 1-2.;2. internal rotor;Turn in 2-1.
Sub- permanent magnet;3. adjustable magnetic ring;3-1. magnetizer;3-2. non-magnetizer;3-3. main reducing gear input shaft;3-4. bearing;
4. the second stator;4-1. three-phase distribution armature winding;4-2. excitation winding;The second stator permanent magnet of 4-3.;4-
4. the second stator backlash;The second stator salient poles of 4-5.;4-6. fan groove;
5. motor casing;6. internal combustion engine output shaft;7.AC/DC voltage inverter;8.DC/AC voltage inverter;9. battery.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
As shown in Figure 1, the present invention includes motor casing 5, the first stator 1, the adjustable magnetic being from left to right arranged successively in motor casing 5
Ring 3 and the second stator 4, internal rotor 2 are located inside the first stator 1;
As shown in Figures 2 and 3,1 inner surface of the first stator has 12 salient pole 1-2, three-phase centralization winding 1-1 insertion
In the tooth socket of first stator inner surface;Internal rotor 2 circumferentially equably leads directly to eight pieces of permanent magnet 2-1 of insertion;The right side of internal rotor 2
For adjustable magnetic ring 3, adjustable magnetic ring 3 is alternately arranged the cirque structure formed by eight pieces of magnetizer 3-1 and eight pieces of non-magnetizer 3-2;
Second stator 4 is located at the right side of adjustable magnetic ring 3;
As shown in Figure 4 and Figure 5, the left end face of the second stator 4, which radially diverges, is provided with eight fan groove 4-6, and adjacent two
It is two neighboring to have the second stator backlash 4-4 on the second stator salient poles 4-5, the second stator salient poles 4-5 between fan groove 4-6
Excitation winding 4-2 is wound between second stator backlash 4-4, three-phase distribution armature winding 4-1 is wrapped in stator salient poles 4-5
On, stator permanent magnet 4-3 is attached to the second surface stator salient poles 4-5;
As shown in Figure 1, internal rotor 2 is connect with the output shaft 6 of internal combustion engine, internal combustion engine output shaft 6 is supported on the left side of casing 5
In bearing hole, adjustable magnetic ring 3 connects main reducing gear input shaft 3-3, and main reducing gear input shaft 3-3 is supported on the right side bearing of casing 5
Kong Zhong;First stator, 1 axial line, 2 axial line of internal rotor, 3 axial line of adjustable magnetic ring and 4 axial line of the second stator coincide.
The working principle of the invention:
It is adjustable magnetic ring 3 between internal rotor and the second stator, the magnetizer of adjustable magnetic ring need to select the higher material of magnetic conductivity.It adjusts
Magnet ring is based on magnetic field modulation principle and changes air-gap permeance, and the magnetic field that internal rotor permanent-magnetic body is generated with the second stator permanent magnet is being adjusted
It is adjusted in the air gap of magnet ring two sides, makes in air-gap field that there is countless harmonic fields, and interacted: is i.e. addition adjustable magnetic ring
After 3, the magnetic field that the magnetic field or the second stator permanent magnet 4-3 that internal rotor permanent-magnetic body 2-1 is generated generate, magnetic flux density space harmonics
Rotation speed change, that is, the velocity of rotation of object, therefore forms not homopolarity pair in air gap where being different from permanent magnet
Several harmonic fields.The magnetic for the identical number of pole-pairs that the air-gap harmonic magnetic field of internal rotor and adjustable magnetic interannular is generated with other side permanent magnet
The torque transfer of internal rotor 2 and adjustable magnetic ring 3 under different rotating speeds is realized in field phase separation, and modulated ring exports, and realizes that speed change passes
It is dynamic;The number same magnetic field that the air-gap harmonic magnetic field number of second stator and modulation interannular is generated with internal rotor permanent-magnetic body is mutually made
With the torque for generating the second stator 4 is directly transferred to adjustable magnetic ring 3 via air-gap field and exports.
Hybrid electric vehicle engine is coaxially connected with internal rotor 2, a part of modulated magnetic of mechanical output of engine output
The output of adjustable magnetic ring 3 is directly passed to after the permanent magnet modulation of 3 two sides of ring;Three-phase centralization winding 1-1 induction on first stator 1
The rotating excitation field of internal rotor permanent-magnetic body converts electric energy for another part mechanical energy that engine exports, it is inverse to flow into AC/DC voltage
The electric energy a part become into the charging of battery 9 in device 7, in battery 9 is excitation winding 4-2 power supply, to generate exciting current, when
Electrical excitation source will be generated after being passed through direct current to excitation winding 4-2, it and permanent magnet excitation source collective effect generate excitation field,
When electricity excitation magnetic field is contrary with permanent magnetic field, air-gap field weakens, and when the two direction is identical, air-gap field enhances, and leads to
DC excitation size of current and direction are overregulated to realize adjustable magnetic function, to realize torque or rate performance requirement;Another portion
Point electric energy again through DC/AC voltage inverter 8 convert by three phase sine alternating current be sent into the three-phase distribution armature of the second stator 4 around
To generate electromagnetic torque in group 4-1, internal rotor rotation, the modulated ring in magnetic field that the permanent magnet of 3 two sides of adjustable magnetic ring generates are driven
Torque is generated after modulation, and the torque of generation is passed into adjustable magnetic ring 3 by air-gap field.Engine is directly passed to adjustable magnetic ring
Torque and the electromagnetic torque acted on adjustable magnetic ring that three-phase distribution armature winding 4-1 in the second stator is generated are superimposed, altogether
Same-action drives hybrid vehicle to move ahead on adjustable magnetic ring.
With existing axial radial flux structure compound permanent-magnet machine there are the problem of compared with, on internal rotor of the present invention only
Permanent magnet and without winding, be easy to cooling, solve the problems, such as heating in winding and rotor dynamic balancing;It avoids simultaneously using electric brush slip ring knot
Structure, to realize motor non-brushing;Non-brushing keeps electric machine structure simple, improves energy converting between mechanical efficiency and reliability, is not necessarily to
Lubrication reduces maintenance cost;Using composite excitation, solves permanent magnet flux switch motor main field and adjust difficult, permanent magnet
The problem of irreversible demagnetization risk occurs;It is driven using magnetic gear, reduces mechanical wear and noise, had and overload self guarantor
Shield ability.
Claims (1)
1. a kind of hybrid vehicle brushless Double-stator motor, including motor casing (5), it is characterized in that: from a left side in motor casing (5)
The first stator (1), adjustable magnetic ring (3) and the second stator (4) being arranged successively to the right side, internal rotor (2) are located in the first stator (1)
Portion;
First stator (1) inner surface has 12 salient poles (1-2), and three-phase centralization winding (1-1) is embedded in table in the first stator
In the tooth socket in face;Internal rotor (2) circumferentially equably leads directly to eight pieces of permanent magnets (2-1) of insertion;The right side of internal rotor (2) is adjustable magnetic
Ring (3), adjustable magnetic ring (3) are alternately arranged the circular ring shape knot formed by eight pieces of magnetizers (3-1) and eight pieces of non-magnetizers (3-2)
Structure;Second stator (4) is located at the right side of adjustable magnetic ring (3);
The left end face of second stator (4), which radially diverges, is provided with eight fan grooves (4-6), between adjacent two fan groove (4-6)
For the second stator salient poles (4-5), there are the second stator backlash (4-4), two neighboring second stator in the second stator salient poles (4-5)
It is wound between backlash (4-4) excitation winding (4-2), three-phase distribution armature winding (4-1) is wrapped in stator salient poles (4-5)
On, stator permanent magnet (4-3) is attached to the surface the second stator salient poles (4-5);
Internal rotor (2) is connect with the output shaft (6) of internal combustion engine, and internal combustion engine output shaft (6) is supported on the left side bearing hole of casing (5)
In, adjustable magnetic ring (3) connects main reducing gear input shaft (3-3), and main reducing gear input shaft (3-3) is supported on the right-hand axis of casing (5)
In bearing bore;First stator (1) axial line, internal rotor (2) axial line, adjustable magnetic ring (3) axial line and the second stator (4) axial line phase
It is overlapped.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710442608.3A CN107026545B (en) | 2017-06-13 | 2017-06-13 | A kind of hybrid vehicle brushless Double-stator motor |
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CN201710442608.3A CN107026545B (en) | 2017-06-13 | 2017-06-13 | A kind of hybrid vehicle brushless Double-stator motor |
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CN107026545A CN107026545A (en) | 2017-08-08 |
CN107026545B true CN107026545B (en) | 2019-06-25 |
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CN201710442608.3A Expired - Fee Related CN107026545B (en) | 2017-06-13 | 2017-06-13 | A kind of hybrid vehicle brushless Double-stator motor |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103001423A (en) * | 2012-11-20 | 2013-03-27 | 史立伟 | Internal-external double-stator electro-magnetic double-salient starter generator |
CN203278577U (en) * | 2013-05-24 | 2013-11-06 | 江西省电力设计院 | Outer-stator wind-driven generator |
CN104883015A (en) * | 2015-05-06 | 2015-09-02 | 东南大学 | Dual-stator superconductive exciting field modulating motor |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6497173B2 (en) * | 2015-03-31 | 2019-04-10 | 株式会社Ihi | Switched reluctance rotating machine |
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2017
- 2017-06-13 CN CN201710442608.3A patent/CN107026545B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103001423A (en) * | 2012-11-20 | 2013-03-27 | 史立伟 | Internal-external double-stator electro-magnetic double-salient starter generator |
CN203278577U (en) * | 2013-05-24 | 2013-11-06 | 江西省电力设计院 | Outer-stator wind-driven generator |
CN104883015A (en) * | 2015-05-06 | 2015-09-02 | 东南大学 | Dual-stator superconductive exciting field modulating motor |
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