CN106026589A - Electromagnetic and built-in combined bi-radial permanent-magnetic drive motor for electric automobiles - Google Patents
Electromagnetic and built-in combined bi-radial permanent-magnetic drive motor for electric automobiles Download PDFInfo
- Publication number
- CN106026589A CN106026589A CN201610314117.6A CN201610314117A CN106026589A CN 106026589 A CN106026589 A CN 106026589A CN 201610314117 A CN201610314117 A CN 201610314117A CN 106026589 A CN106026589 A CN 106026589A
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- China
- Prior art keywords
- inverted
- rotor
- magnet steel
- shape groove
- shape
- 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.)
- Pending
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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
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
- H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial 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
- H02K21/04—Windings on magnets for additional excitation ; Windings and magnets for additional excitation
- H02K21/042—Windings on magnets for additional excitation ; Windings and magnets for additional excitation with permanent magnets and field winding both rotating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The invention provides an electromagnetic and built-in combined bi-radial permanent-magnetic drive motor for electric automobiles, and belongs to the technical field of electric automobile motors and appliances. The drive motor is composed of a front end cover, a rear end cover, a case, a hybrid excitation rotor, and a stator. Rectangular permanent magnet steel pieces are respectively installed in first rectangular slots and second rectangular slots of T-shaped salient poles. The rotor of the drive motor is an electromagnetic and built-in combined bi-radial permanent-magnetic hybrid excitation rotor. The magnetic field in the air gap is provided jointly by the permanent magnet steel pieces and electric excitation windings. The generated magnetic field directly faces the air gap, and there is less magnetic flux leakage. The magnetic field is strong, and the output power is high.
Description
Technical field
The present invention provides a kind of electric automobile electromagnetism and built-in combination type biradial permanent magnet drive motor, belongs to electric automobile
Electrical equipment and electrical technical field.
Background technology
The rotor of the permanent magnet drive motor used on electric automobile at present uses the outer damascene structures of permanent magnet mostly, as existing
There is technology, patent name: brushless DC motor rotor, the patent No.: ZL200920116549.1, disclose following technical scheme,
Including rotor core, rotating shaft and permanent magnet, rotor core is made up of punching superposition and is connected, and rotating shaft is fixed with rotor core
Connecting, the outer surface of rotor core is evenly distributed with even number T-shaped voussoir, constitutes slot, permanent magnet pair between adjacent T-shaped voussoir
Should be embedded in slot, the permanent magnet of this construction rotor is directly facing air gap, under the armature-reaction effect of dash current, and may
Producing irreversible demagnetization, permanent magnet once forms irreversible demagnetization, drives electric efficiency to reduce, and power, moment of torsion decline rapidly, its
Serviceability needs further improvement.
Summary of the invention
It is an object of the invention to provide one and can overcome drawbacks described above, drive the magnetic field in motor gas-gap by permanent-magnet steel and electricity
Exciting Windings for Transverse Differential Protection provides jointly, and magnetic field intensity is big, and the electric automobile electromagnetism that power density is high drives with built-in combination type biradial permanent magnetism
Galvanic electricity machine, its technology contents is:
Electric automobile electromagnetism is turned by drive end bearing bracket, rear end cap, casing, composite excitation with built-in combination type biradial permanent magnet drive motor
Son, stator composition, it is characterised in that: rotor with hybrid excitation is by salient pole electrical excitation rotor and built-in combination type biradial p-m rotor
Composition；
Built-in combination type biradial p-m rotor is made up of axle, the first rectangle permanent-magnet steel, the second rectangle permanent-magnet steel, rotor core,
Being evenly equipped with even number T font salient pole on rotor core, the outside of all T font salient pole lateral parts is circular arc and at same circle
Zhou Shang, the inner side of all T font salient pole lateral parts is straight line and tangent with same circumference, horizontal at each T font salient pole
The bosom of part be provided with at outer end run through rotor core thickness and by two the first rectangular channels is formed first
"eight" shape groove, two the first rectangular channels be provided with in the middle of the outer end of the first inverted "eight" shape groove formed and run through rotor core thickness
Degree and the second inverted "eight" shape groove formed by two the second rectangular channels, form two the first rectangles of the first inverted "eight" shape groove
The outer end of groove does not connects with the external arc of T font salient pole lateral part, forms two the first squares of the first inverted "eight" shape groove
The inner of shape groove does not connects, and forms outer end and the T font salient pole transverse part of two the second rectangular channels of the second inverted "eight" shape groove
The external arc divided does not connects, and the inner of two the second rectangular channels forming the second inverted "eight" shape groove does not connects；
Identical two panels the first rectangle permanent-magnet steel is respectively placed at being formed by two the first rectangular channels of rotor core
In first inverted "eight" shape groove and the inner side of the first inverted "eight" shape that formed of two panels the first rectangle permanent-magnet steel is N pole, by complete
The first inverted "eight" shape outer end that inner side is N pole that exactly the same two panels the second rectangle permanent-magnet steel is respectively placed on rotor core
In middle the second inverted "eight" shape groove formed by two the second rectangular channels and two panels the second rectangle permanent-magnet steel formed second
The inner side of inverted "eight" shape is N pole, more identical other two panels the first rectangle permanent-magnet steel is separately mounted to rotor ferrum
In the first inverted "eight" shape groove formed by two the first rectangular channels on another one T font salient pole adjacent on core and two panels
The inner side of the first inverted "eight" shape that the first rectangle permanent-magnet steel is formed is S pole, by identical other two panels the second rectangle
The inner side that permanent-magnet steel is respectively placed on rotor core be S pole first in the middle of inverted "eight" shape outer end by two other second
In the second inverted "eight" shape groove that rectangular channel is formed and the inner side of the second inverted "eight" shape that formed of two panels the second rectangle permanent-magnet steel
It is S pole, the like, forming N pole, the most spaced built-in combination type biradial p-m rotor of S, rotor core is fitted in
On axle.
Operation principle: when driving motor to be passed through by three-phase inverter after the three-phase alternating current of pulsewidth modulation, drive motor
Stator produces space rotating magnetic field, and it is magnetic field interaction produced by with rotor, and rotor produces and stator winding rotating excitation field
The rotating torques that direction is consistent, makes driving rotor rotate, and then drives electric automobile to run.
Compared with prior art, rectangle permanent-magnet steel is separately mounted to the first rectangular channel on T font salient pole and to the present invention
In two rectangular channels, driving rotor is electromagnetism and built-in combination type biradial permanent magnetism mixing excitation rotor, the magnetic field in air gap
Jointly being provided by permanent-magnet steel and electrical excitation winding, the magnetic field of generation is few directly facing air gap, leakage field, and magnetic field intensity is big, output work
Rate is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the rotor with hybrid excitation profile of embodiment illustrated in fig. 1.
In figure: 1, rear end cap 2, axle 3, casing 4, stator the 5, first rectangle permanent-magnet steel the 6, second rectangle permanent-magnet steel 7,
Rotor core 8, drive end bearing bracket.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings:
Electric automobile electromagnetism with built-in combination type biradial permanent magnet drive motor by drive end bearing bracket 8, rear end cap 1, casing 3, mix and encourage
Magnet rotor, stator 4 form, it is characterised in that: rotor with hybrid excitation is by salient pole electrical excitation rotor and built-in combination type biradial forever
Magnet rotor forms；
Built-in combination type biradial p-m rotor is by axle the 2, first rectangle permanent-magnet steel the 5, second rectangle permanent-magnet steel 6, rotor core 7 groups
Becoming, rotor core 7 is evenly equipped with even number T font salient pole, the outside of all T font salient pole lateral parts is circular arc and same
On one circumference, the inner side of all T font salient pole lateral parts is straight line and tangent with same circumference, at each T font salient pole
The bosom of lateral part be provided with at outer end run through rotor core 7 thickness and formed by two the first rectangular channels first
Inverted "eight" shape groove, two the first rectangular channels be provided with in the middle of the outer end of the first inverted "eight" shape groove formed and run through rotor core
7 thickness and the second inverted "eight" shape groove formed by two the second rectangular channels, form two first of the first inverted "eight" shape groove
The outer end of rectangular channel does not connects with the external arc of T font salient pole lateral part, forms two of the first inverted "eight" shape groove
The inner of one rectangular channel does not connects, and the outer end of two the second rectangular channels forming the second inverted "eight" shape groove is horizontal with T font salient pole
External arc to part does not connects, and the inner of two the second rectangular channels forming the second inverted "eight" shape groove does not connects；
Identical two panels the first rectangle permanent-magnet steel 5 is respectively placed at being formed by two the first rectangular channels of rotor core 7
The first inverted "eight" shape groove in and the inner side of the first inverted "eight" shape that formed of two panels the first rectangle permanent-magnet steel 5 be N pole, will
The first inverted "eight" shape that inner side is N pole that identical two panels the second rectangle permanent-magnet steel 6 is respectively placed on rotor core 7
In the second inverted "eight" shape groove formed by two the second rectangular channels in the middle of outer end and two panels the second rectangle permanent-magnet steel 6 is formed
The inner side of the second inverted "eight" shape is N pole, then is separately mounted to identical other two panels the first rectangle permanent-magnet steel 5 turn
In the first inverted "eight" shape groove formed by two the first rectangular channels on another one T font salient pole adjacent on sub-iron core 7
And the inner side of the first inverted "eight" shape that two panels the first rectangle permanent-magnet steel 5 is formed is S pole, by identical other two panels the
In the middle of the first inverted "eight" shape outer end that two rectangle permanent-magnet steels 6 are respectively placed at that the inner side on rotor core 7 is S pole by additionally
Two second rectangular channel formed the second inverted "eight" shape groove in and two panels the second rectangle permanent-magnet steel 6 formed second fall " eight " word
The inner side of shape is S pole, the like, form N pole, the most spaced built-in combination type biradial p-m rotor of S, rotor ferrum
Core 7 is fitted on axle 2.
Claims (1)
1. electric automobile electromagnetism and a built-in combination type biradial permanent magnet drive motor, by drive end bearing bracket (8), rear end cap (1), machine
Shell (3), rotor with hybrid excitation, stator (4) form, it is characterised in that: rotor with hybrid excitation is by salient pole electrical excitation rotor and built-in
Combination type biradial p-m rotor forms；
Built-in combination type biradial p-m rotor is by axle (2), the first rectangle permanent-magnet steel (5), the second rectangle permanent-magnet steel (6), rotor
Iron core (7) forms, and rotor core (7) is evenly equipped with even number T font salient pole, and the outside of all T font salient pole lateral parts is equal
For circular arc and on same circumference, the inner side of all T font salient pole lateral parts is straight line and tangent with same circumference, often
The bosom of individual T font salient pole lateral part is provided with at outer end and runs through rotor core (7) thickness and by two the first squares
The first inverted "eight" shape groove that shape groove is formed, two the first rectangular channels set in the middle of the outer end of the first inverted "eight" shape groove formed
There is the second inverted "eight" shape groove running through rotor core (7) thickness and being formed by two the second rectangular channels, form first " eight "
The outer end of two the first rectangular channels of font groove does not connects with the external arc of T font salient pole lateral part, forms first and falls
The inner of two the first rectangular channels of "eight" shape groove does not connects, and forms two the second rectangular channels of the second inverted "eight" shape groove
Outer end does not connects with the external arc of T font salient pole lateral part, forms two the second rectangular channels of the second inverted "eight" shape groove
The inner do not connect；
Identical two panels the first rectangle permanent-magnet steel (5) is respectively placed at rotor core (7) by two the first rectangular channels
In the first inverted "eight" shape groove formed and the inner side of the first inverted "eight" shape that formed of two panels the first rectangle permanent-magnet steel (5) is
N pole, inner side is N pole first that identical two panels the second rectangle permanent-magnet steel (6) is respectively placed on rotor core (7)
In the second inverted "eight" shape groove formed by two the second rectangular channels in the middle of inverted "eight" shape outer end and two panels the second rectangle forever
The inner side of the second inverted "eight" shape that magnet steel (6) is formed is N pole, then by identical other two panels the first rectangle permanent-magnet steel
(5) formed by two the first rectangular channels the be separately mounted on rotor core (7) the most adjacent upper another one T font salient pole
In one inverted "eight" shape groove and the inner side of the first inverted "eight" shape that formed of two panels the first rectangle permanent-magnet steel (5) is S pole, by complete
Exactly the same other two panels the second rectangle permanent-magnet steel (6) be respectively placed on rotor core (7) inner side is S pole first fall
In the second inverted "eight" shape groove formed by two other second rectangular channel in the middle of "eight" shape outer end and two panels the second rectangle
The inner side of the second inverted "eight" shape that permanent-magnet steel (6) is formed is S pole, the like, form N pole, S the most spaced built-in
Combination type biradial p-m rotor, rotor core (7) is fitted on axle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314117.6A CN106026589A (en) | 2016-05-13 | 2016-05-13 | Electromagnetic and built-in combined bi-radial permanent-magnetic drive motor for electric automobiles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314117.6A CN106026589A (en) | 2016-05-13 | 2016-05-13 | Electromagnetic and built-in combined bi-radial permanent-magnetic drive motor for electric automobiles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106026589A true CN106026589A (en) | 2016-10-12 |
Family
ID=57100304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610314117.6A Pending CN106026589A (en) | 2016-05-13 | 2016-05-13 | Electromagnetic and built-in combined bi-radial permanent-magnetic drive motor for electric automobiles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106026589A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082625A (en) * | 2020-01-09 | 2020-04-28 | 东华大学 | Alternating magnetic pole brushless hybrid excitation synchronous motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0746896A1 (en) * | 1993-06-14 | 1996-12-11 | Ecoair Corporation | Hybrid alternator with voltage regulator |
| CN102223040A (en) * | 2010-04-14 | 2011-10-19 | 富士电机株式会社 | Permanent magnet type rotating motor |
| CN102664492A (en) * | 2012-04-26 | 2012-09-12 | 张学义 | Combined magnetic-pole-type composite excitation power generation device for automobile |
| CN204168026U (en) * | 2014-11-10 | 2015-02-18 | 山东理工大学 | Vapour automobile permanent magnet and electromagnetic mixed exciting generator |
-
2016
- 2016-05-13 CN CN201610314117.6A patent/CN106026589A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0746896A1 (en) * | 1993-06-14 | 1996-12-11 | Ecoair Corporation | Hybrid alternator with voltage regulator |
| CN102223040A (en) * | 2010-04-14 | 2011-10-19 | 富士电机株式会社 | Permanent magnet type rotating motor |
| CN102664492A (en) * | 2012-04-26 | 2012-09-12 | 张学义 | Combined magnetic-pole-type composite excitation power generation device for automobile |
| CN204168026U (en) * | 2014-11-10 | 2015-02-18 | 山东理工大学 | Vapour automobile permanent magnet and electromagnetic mixed exciting generator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082625A (en) * | 2020-01-09 | 2020-04-28 | 东华大学 | Alternating magnetic pole brushless hybrid excitation synchronous motor |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161012 |