CN105914986A - Brushless electromagnetic and composite permanent magnet magnetic pole mixed excitation driving motor - Google Patents
Brushless electromagnetic and composite permanent magnet magnetic pole mixed excitation driving motor Download PDFInfo
- Publication number
- CN105914986A CN105914986A CN201610306573.6A CN201610306573A CN105914986A CN 105914986 A CN105914986 A CN 105914986A CN 201610306573 A CN201610306573 A CN 201610306573A CN 105914986 A CN105914986 A CN 105914986A
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- CN
- China
- Prior art keywords
- pole
- shape
- magnet steel
- rotor core
- inverted
- 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.)
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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
-
- 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
- H02K21/044—Rotor of the claw pole type
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 a brushless electromagnetic and composite permanent magnet magnetic pole mixed excitation driving motor, belonging to the automobile motor electric appliance technical field, and comprises a front end cover, a rear end cover, a casing, a rotor and a stator; rectangular permanent magnet steels are respectively installed in a first rectangular notch and a second rectangular notch. The motor can effectively prevent permanent magnet steels from generating irreversible demagnetization under the surge current armature reaction effect, and avoid loss of excitation of the permanent magnet steels; a magnetic field in driving motor air gaps is provided by the permanent magnet steels and electro-magnetic coils, and has the characteristics of great magnetic field intensity and high output power.
Description
Technical field
The present invention provides a kind of brushless electromagnetism to drive motor with composite permanet magnet magnetic pole composite excitation, belongs to motor in electric automobile
Technical field of electric appliances.
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 brushless electromagnetism that power density is high drives electricity with composite permanet magnet magnetic pole composite excitation
Machine, its technology contents is:
Brushless electromagnetism and composite permanet magnet magnetic pole composite excitation drive motor by drive end bearing bracket, rear end cap, casing, rotor with hybrid excitation,
Stator forms, it is characterised in that: rotor with hybrid excitation is by the Lundell electrical excitation rotor of non-carbonate slip ring structure and composite permanet magnet
Pole wheel forms；
Composite permanet magnet pole wheel by axle, the first rectangle permanent-magnet steel, the second rectangle permanent-magnet steel, rotor core, form every magnetic air gap,
It is evenly equipped with even number on rotor core and runs through rotor core thickness and the inverted "eight" shape groove formed by two the first rectangular channels, two
It is provided with in the middle of inverted "eight" shape groove the inner that individual first rectangular channel is formed and runs through rotor core thickness and by two the second rectangular channels
The positive "eight" shape groove formed, the outer end of two the second rectangular channels forming positive "eight" shape groove does not connects, the first rectangular channel
Not connecting between outer end and the cylindrical of rotor core, the first rectangular channel outer end of two adjacent formation inverted "eight" shape grooves does not connects
Logical, be jointly provided with in the inner of the inner of each first rectangular channel and adjacent second rectangular channel run through rotor core thickness every magnetic
Air gap, all connects with the inner of the first rectangular channel and the inner of the second rectangular channel every the outer end of magnetic air gap, adjacent every magnetic air gap
Do not connect；
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 inverted "eight" shape groove and the inner side of inverted "eight" shape that formed of two panels the first rectangle permanent-magnet steel is N pole, by identical
In the middle of inverted "eight" shape the inner that inner side is N pole that two panels the second rectangle permanent-magnet steel is respectively placed on rotor core by two
In the positive "eight" shape groove that second rectangular channel is formed and the outside of positive "eight" shape that formed of two panels the second rectangle permanent-magnet steel is N
Pole, more identical other two panels the first rectangle permanent-magnet steel is respectively placed at rotor core adjacent by two other first
In the inverted "eight" shape groove that rectangular channel is formed and the inner side of inverted "eight" shape that formed of two panels the first rectangle permanent-magnet steel is S pole,
The inverted "eight" shape that inner side is S pole that identical other two panels the second rectangle permanent-magnet steel is respectively placed on rotor core
In the positive "eight" shape groove formed by two other second rectangular channel in the middle of inner and two panels the second rectangle permanent-magnet steel is formed
The outside of positive "eight" shape is S pole, the like, form N pole, S the most spaced composite permanet magnet pole wheel, rotor ferrum
Core is fitted 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 embedded in the first rectangular channel and the second rectangular channel the present invention respectively, energy
Enough effectively prevent permanent-magnet steel from producing irreversible demagnetization under the armature-reaction effect of dash current, it is ensured that permanent-magnet steel not loss of excitation, drive
Magnetic field in dynamic motor gas-gap is provided jointly by permanent-magnet steel and electrical excitation winding, and magnetic field intensity is big, and output is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the p-m rotor 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 6, rotor core 7, every magnetism
Gap the 8, second rectangle permanent-magnet steel 9, drive end bearing bracket.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings:
Brushless electromagnetism and composite permanet magnet magnetic pole composite excitation drive motor to be turned by drive end bearing bracket 9, rear end cap 1, casing 3, composite excitation
Son, stator 4 form, it is characterised in that: rotor with hybrid excitation is by the Lundell electrical excitation rotor of non-carbonate slip ring structure and is combined
Permanent magnetism magnetic pole rotor forms；
Composite permanet magnet pole wheel by axle the 2, first rectangle permanent-magnet steel the 5, second rectangle permanent-magnet steel 8, rotor core 6, every magnetic air gap 7
Composition, rotor core 6 is evenly equipped with even number and runs through rotor core 6 thickness and " eight " word formed by two the first rectangular channels
Shape groove, is provided with in the middle of inverted "eight" shape groove the inner that two the first rectangular channels are formed and runs through rotor core 6 thickness and by two the
The positive "eight" shape groove that two rectangular channels are formed, the outer end of two the second rectangular channels forming positive "eight" shape groove does not connects, and first
Do not connect between the outer end of rectangular channel and the cylindrical of rotor core 6, the first rectangle of two adjacent formation inverted "eight" shape grooves
Groove outer end does not connects, and is jointly provided with in the inner of the inner of each first rectangular channel and adjacent second rectangular channel and runs through rotor core
6 thickness every magnetic air gap 7, all connect with the inner of the first rectangular channel and the inner of the second rectangular channel every the outer end of magnetic air gap 7, phase
Adjacent does not connects every magnetic air gap 7；
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 6
Inverted "eight" shape groove in and the inner side of inverted "eight" shape that formed of two panels the first rectangle permanent-magnet steel 5 be N pole, by identical
Inverted "eight" shape the inner that inner side is N pole of being respectively placed on rotor core 6 of two panels the second rectangle permanent-magnet steel 8 in the middle of by
In the positive "eight" shape groove that two the second rectangular channels are formed and the outside of positive "eight" shape that formed of two panels the second rectangle permanent-magnet steel 8
Be N pole, more identical other two panels the first rectangle permanent-magnet steel 5 is respectively placed at rotor core 6 adjacent by additionally
In the inverted "eight" shape groove that two the first rectangular channels are formed and the inner side of inverted "eight" shape that formed of two panels the first rectangle permanent-magnet steel 5
Being S pole, the inner side being respectively placed on rotor core 6 by identical other two panels the second rectangle permanent-magnet steel 8 is S pole
In the positive "eight" shape groove formed by two other second rectangular channel in the middle of inverted "eight" shape the inner and two panels the second rectangle forever
The outside of the positive "eight" shape that magnet steel 8 is formed is S pole, the like, form N pole, S the most spaced composite permanet magnet magnetic pole
Rotor, rotor core 6 is fitted on axle 2.
Claims (1)
1. brushless electromagnetism drives a motor with composite permanet magnet magnetic pole composite excitation, by drive end bearing bracket (9), rear end cap (1), casing
(3), rotor with hybrid excitation, stator (4) composition, it is characterised in that: rotor with hybrid excitation is by the Lundell of non-carbonate slip ring structure
Electrical excitation rotor and composite permanet magnet pole wheel composition；
Composite permanet magnet pole wheel by axle (2), the first rectangle permanent-magnet steel (5), the second rectangle permanent-magnet steel (8), rotor core (6),
Form every magnetic air gap (7), rotor core (6) is evenly equipped with even number and runs through rotor core (6) thickness and by two the first rectangles
The inverted "eight" shape groove that groove is formed, is provided with in the middle of inverted "eight" shape groove the inner of two the first rectangular channel formation and runs through rotor core
(6) thickness and the positive "eight" shape groove that formed by two the second rectangular channels, form two the second rectangular channels of positive "eight" shape groove
Outer end do not connect, do not connect between the outer end of the first rectangular channel and the cylindrical of rotor core (6), adjacent two formation are fallen
First rectangular channel outer end of "eight" shape groove does not connects, in the inner of each first rectangular channel and the inner of adjacent second rectangular channel
Jointly be provided with run through rotor core (6) thickness every magnetic air gap (7), every the inner of the outer end of magnetic air gap (7) Yu the first rectangular channel
All connecting with the inner of the second rectangular channel, adjacent does not connects every magnetic air gap (7)；
Identical two panels the first rectangle permanent-magnet steel (5) is respectively placed at rotor core (6) by two the first rectangular channels
In the inverted "eight" shape groove formed and the inner side of inverted "eight" shape that formed of two panels the first rectangle permanent-magnet steel (5) is N pole, by complete
Exactly the same two panels the second rectangle permanent-magnet steel (8) is respectively placed in the inverted "eight" shape that inner side is N pole on rotor core (6)
End in the middle of the positive "eight" shape groove formed by two the second rectangular channels in and two panels the second rectangle permanent-magnet steel (8) just formed
The outside of "eight" shape is N pole, more identical other two panels the first rectangle permanent-magnet steel (5) is respectively placed at rotor ferrum
In the inverted "eight" shape groove formed by two other first rectangular channel that core (6) is adjacent and two panels the first rectangle permanent-magnet steel (5) shape
The inner side of the inverted "eight" shape become is S pole, identical other two panels the second rectangle permanent-magnet steel (8) is respectively placed at and turns
Just " eight " that formed by two other second rectangular channel in the middle of inverted "eight" shape the inner that inner side is S pole on sub-iron core (6)
In font groove and the outside of positive "eight" shape that formed of two panels the second rectangle permanent-magnet steel (8) is S pole, the like, form N
Pole, S the most spaced composite permanet magnet pole wheel, rotor core (6) is fitted on axle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610306573.6A CN105914986A (en) | 2016-05-11 | 2016-05-11 | Brushless electromagnetic and composite permanent magnet magnetic pole mixed excitation driving motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610306573.6A CN105914986A (en) | 2016-05-11 | 2016-05-11 | Brushless electromagnetic and composite permanent magnet magnetic pole mixed excitation driving motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105914986A true CN105914986A (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610306573.6A Pending CN105914986A (en) | 2016-05-11 | 2016-05-11 | Brushless electromagnetic and composite permanent magnet magnetic pole mixed excitation driving motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105914986A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105915010A (en) * | 2016-05-13 | 2016-08-31 | 山东理工大学 | Invisible magnetic pole and brushless electromagnetic mixed excitation driving motor |
| CN105932843A (en) * | 2016-05-13 | 2016-09-07 | 山东理工大学 | Biradial permanent magnet and brushless electromagnetic hybrid excitation drive motor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070090713A1 (en) * | 2005-10-26 | 2007-04-26 | Mitsubishi Electric Corporation | Hybrid-excited rotating machine, and vehicle with the hybrid-excited rotating machine |
| CN101447723A (en) * | 2008-12-08 | 2009-06-03 | 张学义 | Complex excitation generator with vacuum pump for vehicles |
| CN101667769A (en) * | 2009-09-30 | 2010-03-10 | 山东唐骏欧铃汽车制造有限公司 | Compound excitation generator for electric automobiles |
| CN201887623U (en) * | 2010-11-29 | 2011-06-29 | 湘潭电机股份有限公司 | Composite excitation synchronous generator with dual rotor cores |
| CN102474142A (en) * | 2009-07-03 | 2012-05-23 | 三菱电机株式会社 | Permanent magnet type rotary electrical machine |
| CN103762765A (en) * | 2014-02-18 | 2014-04-30 | 山东理工大学 | Tangential and radial resultant magnetic field embedded permanent magnet rotor driving motor |
| CN204168026U (en) * | 2014-11-10 | 2015-02-18 | 山东理工大学 | Vapour automobile permanent magnet and electromagnetic mixed exciting generator |
| CN104638863A (en) * | 2015-01-23 | 2015-05-20 | 浙江迈雷科技有限公司 | Permanent-magnet synchronous motor |
-
2016
- 2016-05-11 CN CN201610306573.6A patent/CN105914986A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070090713A1 (en) * | 2005-10-26 | 2007-04-26 | Mitsubishi Electric Corporation | Hybrid-excited rotating machine, and vehicle with the hybrid-excited rotating machine |
| CN101447723A (en) * | 2008-12-08 | 2009-06-03 | 张学义 | Complex excitation generator with vacuum pump for vehicles |
| CN102474142A (en) * | 2009-07-03 | 2012-05-23 | 三菱电机株式会社 | Permanent magnet type rotary electrical machine |
| CN101667769A (en) * | 2009-09-30 | 2010-03-10 | 山东唐骏欧铃汽车制造有限公司 | Compound excitation generator for electric automobiles |
| CN201887623U (en) * | 2010-11-29 | 2011-06-29 | 湘潭电机股份有限公司 | Composite excitation synchronous generator with dual rotor cores |
| CN103762765A (en) * | 2014-02-18 | 2014-04-30 | 山东理工大学 | Tangential and radial resultant magnetic field embedded permanent magnet rotor driving motor |
| CN204168026U (en) * | 2014-11-10 | 2015-02-18 | 山东理工大学 | Vapour automobile permanent magnet and electromagnetic mixed exciting generator |
| CN104638863A (en) * | 2015-01-23 | 2015-05-20 | 浙江迈雷科技有限公司 | Permanent-magnet synchronous motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105915010A (en) * | 2016-05-13 | 2016-08-31 | 山东理工大学 | Invisible magnetic pole and brushless electromagnetic mixed excitation driving motor |
| CN105932843A (en) * | 2016-05-13 | 2016-09-07 | 山东理工大学 | Biradial permanent magnet and brushless electromagnetic hybrid excitation drive motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
Application publication date: 20160831 |
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| WD01 | Invention patent application deemed withdrawn after publication |