CN105790475A - Built-in biradial permanent magnet steel combined-type magnetic field drive motor for electric automobile - Google Patents
Built-in biradial permanent magnet steel combined-type magnetic field drive motor for electric automobile Download PDFInfo
- Publication number
- CN105790475A CN105790475A CN201610306656.5A CN201610306656A CN105790475A CN 105790475 A CN105790475 A CN 105790475A CN 201610306656 A CN201610306656 A CN 201610306656A CN 105790475 A CN105790475 A CN 105790475A
- Authority
- CN
- China
- Prior art keywords
- magnet steel
- rotor
- rotor core
- drive motor
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a built-in biradial permanent magnet steel combined-type magnetic field drive motor for an electric automobile, and belongs to the technical field of electric automobile motors and electric appliances. The drive motor consists of a front end cover, a rear end cover, a motor case, a rotor, and a stator. A rotor of the drive motor is a biradial permanent magnet steel combined-type magnetic field embedded permanent magnet rotor, is large in magnetic field intensity, and is high in power density. The drive motor is in a rotor magnetic bypass structure, can effectively prevent permanent magnet steels from generating irreversible demagnetization under the action of armature reaction of an impact current, and guarantees that the permanent magnet steels cannot be demagnetized. Moreover, the drive motor does not need an electric exciting winding, is small in electric energy consumption, has no carbon brush and mechanical commutator, is low in fault rate, is compact in structure, and is reliable in work.
Description
Technical field
The present invention provides a kind of electric automobile built-in biradial permanent-magnet steel resultant magnetic field drive motor, belongs to motor in electric automobile technical field of electric appliances.
Background technology
Current and the matching used drive motor of electric automobile mostly adopts the direct current generator with carbon brush and mechanical commutator, although DC motor structure is simple, controllability is high, speed-regulating range width, control circuit is relatively easy, less costly, but owing to the magnetic field of direct-drive motor is produced by electricity Exciting Windings for Transverse Differential Protection, power consumption is many, delivery efficiency is low, additionally, due to there is carbon brush and mechanical commutator, not only limit the raising of drive motor overload capacity and speed, if long-play, certainly will be required frequent maintenance and replacement carbon brush and diverter, therefore direct current generator energy consumption is big, fault rate is high, 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, the magnetic field of drive motor is provided by permanent-magnet steel, few without electricity Exciting Windings for Transverse Differential Protection, power consumption, it does not have the electric automobile built-in biradial permanent-magnet steel resultant magnetic field drive motor of carbon brush and mechanical commutator, failure rate is low, its technology contents is:
Electric automobile built-in biradial permanent-magnet steel resultant magnetic field drive motor is made up of drive end bearing bracket, rear end cap, casing, rotor, stator, it is characterised in that: drive motor rotor is the built-in permanent magnet rotor of biradial resultant magnetic field；
nullBuilt-in permanent magnet rotor is by axle、First rectangle permanent-magnet steel、Second rectangle permanent-magnet steel、Rotor core、Form every magnetic air gap，Rotor core is evenly equipped with even number and runs through rotor core thickness and the inverted "eight" shape groove formed by two the first rectangular channels，It is provided with through rotor core thickness and the positive "eight" shape groove formed by two the second rectangular channels in the middle of inverted "eight" shape groove the inner of two the first rectangular channel formation，The outer end of two the second rectangular channels forming positive "eight" shape groove does not connect，Do not connect between outer end and the cylindrical of rotor core of the first rectangular channel，Adjacent two form the first rectangular channel outer end of inverted "eight" shape groove and do not connect，Jointly be provided with through in the inner of the inner of each first rectangular channel and adjacent second rectangular channel rotor core thickness every magnetic air gap，Every the outer end of magnetic air gap, the inner of the inner with the first rectangular channel and the second rectangular channel all connects，Adjacent does not connect every magnetic air gap；
nullIdentical two panels the first rectangle permanent-magnet steel is respectively placed in the inverted "eight" shape groove formed by two the first rectangular channels of rotor core and the inner side of inverted "eight" shape that two panels the first rectangle permanent-magnet steel is formed is N pole，Identical two panels the second rectangle permanent-magnet steel is respectively placed in the positive "eight" shape groove formed by two the second rectangular channels in the middle of inverted "eight" shape the inner that the inner side on rotor core is N pole and the outside of positive "eight" shape that two panels the second rectangle permanent-magnet steel is formed is N pole，Again identical other two panels the first rectangle permanent-magnet steel is respectively placed in the inverted "eight" shape groove formed by two other first rectangular channel that rotor core is adjacent and the inner side of inverted "eight" shape that two panels the first rectangle permanent-magnet steel is formed is S pole，Identical other two panels the second rectangle permanent-magnet steel is respectively placed in the positive "eight" shape groove formed by two other second rectangular channel in the middle of inverted "eight" shape the inner that the inner side on rotor core is S pole and the outside of positive "eight" shape that two panels the second rectangle permanent-magnet steel is formed is S pole，The like，Form N pole、The extremely spaced built-in permanent magnet rotor of S，Rotor core is fitted on axle.
Operation principle:When permanent magnet drive motor passes into by three-phase inverter after the three-phase alternating current of pulsewidth modulation, drive motor stator produces a space rotating magnetic field, it is magnetic field interaction produced by with rotor permanent magnet steel, rotor produces the rotating torques consistent with stator winding rotating excitation field direction, make drive motor p-m rotor rotate, and then drive electric automobile to run.
The present invention is compared with prior art, rectangle permanent-magnet steel is embedded in the first rectangular channel and the second rectangular channel respectively, drive motor rotor field is provided jointly by biradial permanent-magnet steel, magnetic field intensity is big, output is high, and few without electricity Exciting Windings for Transverse Differential Protection, power consumption, it does not have carbon brush and mechanical commutator, failure rate is low, there is the features such as high efficiency, high power density, compact conformation, reliable operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the rotor profiles figure of embodiment illustrated in fig. 1.
In figure: 1, axle 2, drive end bearing bracket the 3, first rectangle permanent-magnet steel the 4, second rectangle permanent-magnet steel 5, rotor core 6, casing 7, stator 8, every magnetic air gap 9, rear end cap.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
Electric automobile built-in biradial permanent-magnet steel resultant magnetic field drive motor, is made up of drive end bearing bracket 2, rear end cap 9, casing 6, rotor, stator 7, it is characterised in that: drive motor rotor is the built-in permanent magnet rotor of biradial resultant magnetic field；
nullBuilt-in permanent magnet rotor is by axle 1、First rectangle permanent-magnet steel 3、Second rectangle permanent-magnet steel 4、Rotor core 5、Form every magnetic air gap 8，Rotor core 5 is evenly equipped with even number and runs through rotor core 5 thickness and the inverted "eight" shape groove formed by two the first rectangular channels，It is provided with through rotor core 5 thickness and the positive "eight" shape groove formed by two the second rectangular channels in the middle of inverted "eight" shape groove the inner of two the first rectangular channel formation，The outer end of two the second rectangular channels forming positive "eight" shape groove does not connect，Do not connect between the outer end of the first rectangular channel and the cylindrical of rotor core 5，Adjacent two form the first rectangular channel outer end of inverted "eight" shape groove and do not connect，Jointly be provided with through in the inner of the inner of each first rectangular channel and adjacent second rectangular channel rotor core 5 thickness every magnetic air gap 8，Every the outer end of magnetic air gap 8, the inner of the inner with the first rectangular channel and the second rectangular channel all connects，Adjacent does not connect every magnetic air gap 8；
nullIdentical two panels the first rectangle permanent-magnet steel 3 is respectively placed in the inverted "eight" shape groove formed by two the first rectangular channels of rotor core 5 and the inner side of inverted "eight" shape that two panels the first rectangle permanent-magnet steel 3 is formed is N pole，In the positive "eight" shape groove formed by two the second rectangular channels in the middle of inverted "eight" shape the inner that inner side is N pole being respectively placed at by identical two panels the second rectangle permanent-magnet steel 4 on the rotor core 5 and outside of positive "eight" shape that formed of two panels the second rectangle permanent-magnet steel 4 is N pole，Again identical other two panels the first rectangle permanent-magnet steel 3 is respectively placed in the inverted "eight" shape groove formed by two other first rectangular channel that rotor core 5 is adjacent and the inner side of inverted "eight" shape that two panels the first rectangle permanent-magnet steel 3 is formed 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 that inner side is S pole being respectively placed at by identical other two panels the second rectangle permanent-magnet steel 4 on the rotor core 5 and outside of positive "eight" shape that formed of two panels the second rectangle permanent-magnet steel 4 is S pole，The like，Form N pole、The extremely spaced built-in permanent magnet rotor of S，Rotor core 5 is fitted on axle 1.
Claims (1)
1. an electric automobile built-in biradial permanent-magnet steel resultant magnetic field drive motor, it is made up of drive end bearing bracket (2), rear end cap (9), casing (6), rotor, stator (7), it is characterised in that: drive motor rotor is the built-in permanent magnet rotor of biradial resultant magnetic field；
nullBuilt-in permanent magnet rotor is by axle (1)、First rectangle permanent-magnet steel (3)、Second rectangle permanent-magnet steel (4)、Rotor core (5)、Form every magnetic air gap (8)，Rotor core (5) is evenly equipped with even number and runs through rotor core (5) thickness and the inverted "eight" shape groove formed by two the first rectangular channels，It is provided with through rotor core (5) thickness and the positive "eight" shape groove formed by two the second rectangular channels in the middle of inverted "eight" shape groove the inner of two the first rectangular channel formation，The outer end of two the second rectangular channels forming positive "eight" shape groove does not connect，Do not connect between the outer end of the first rectangular channel and the cylindrical of rotor core (5)，Adjacent two form the first rectangular channel outer end of inverted "eight" shape groove and do not connect，Jointly be provided with through in the inner of the inner of each first rectangular channel and adjacent second rectangular channel rotor core (5) thickness every magnetic air gap (8)，All connect every the inner of the outer end of magnetic air gap (8) with the inner of the first rectangular channel and the second rectangular channel，Adjacent does not connect every magnetic air gap (8)；
nullIdentical two panels the first rectangle permanent-magnet steel (3) is respectively placed in the inverted "eight" shape groove formed by two the first rectangular channels of rotor core (5) and the inner side of inverted "eight" shape that two panels the first rectangle permanent-magnet steel (3) is formed is N pole，In the positive "eight" shape groove formed by two the second rectangular channels in the middle of inverted "eight" shape the inner that inner side is N pole identical two panels the second rectangle permanent-magnet steel (4) being respectively placed on rotor core (5) and the outside of positive "eight" shape that formed of two panels the second rectangle permanent-magnet steel (4) is N pole，Again identical other two panels the first rectangle permanent-magnet steel (3) is respectively placed in the inverted "eight" shape groove formed by two other first rectangular channel that rotor core (5) is adjacent and the inner side of inverted "eight" shape that two panels the first rectangle permanent-magnet steel (3) is formed 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 that inner side is S pole identical other two panels the second rectangle permanent-magnet steel (4) being respectively placed on rotor core (5) and the outside of positive "eight" shape that formed of two panels the second rectangle permanent-magnet steel (4) is S pole，The like，Form N pole、The extremely spaced built-in permanent magnet rotor of S，Rotor core (5) is fitted on axle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610306656.5A CN105790475A (en) | 2016-05-11 | 2016-05-11 | Built-in biradial permanent magnet steel combined-type magnetic field drive motor for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610306656.5A CN105790475A (en) | 2016-05-11 | 2016-05-11 | Built-in biradial permanent magnet steel combined-type magnetic field drive motor for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105790475A true CN105790475A (en) | 2016-07-20 |
Family
ID=56402020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610306656.5A Pending CN105790475A (en) | 2016-05-11 | 2016-05-11 | Built-in biradial permanent magnet steel combined-type magnetic field drive motor for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105790475A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4846806A (en) * | 1971-10-14 | 1973-07-04 | ||
| CN102474142A (en) * | 2009-07-03 | 2012-05-23 | 三菱电机株式会社 | Permanent magnet type rotary electrical machine |
| CN102647067A (en) * | 2012-04-21 | 2012-08-22 | 山东理工大学 | Radial-tangential permanent magnet and electromagnetism mixed excitation generator |
| CN103762766A (en) * | 2014-02-18 | 2014-04-30 | 山东理工大学 | Permanent-magnet hybrid magnetic circuit drive motor of electric vehicle |
| 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 |
| CN103887948A (en) * | 2014-04-10 | 2014-06-25 | 山东理工大学 | Built-in permanent magnet steel hub driving motor of electric vehicle |
| CN104242509A (en) * | 2013-06-05 | 2014-12-24 | 上海欧普斯达光纤通信设备有限公司 | Rotor of permanent magnetic composite excitation synchronous motor |
| 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 CN201610306656.5A patent/CN105790475A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4846806A (en) * | 1971-10-14 | 1973-07-04 | ||
| CN102474142A (en) * | 2009-07-03 | 2012-05-23 | 三菱电机株式会社 | Permanent magnet type rotary electrical machine |
| CN102647067A (en) * | 2012-04-21 | 2012-08-22 | 山东理工大学 | Radial-tangential permanent magnet and electromagnetism mixed excitation generator |
| CN104242509A (en) * | 2013-06-05 | 2014-12-24 | 上海欧普斯达光纤通信设备有限公司 | Rotor of permanent magnetic composite excitation synchronous motor |
| CN103762766A (en) * | 2014-02-18 | 2014-04-30 | 山东理工大学 | Permanent-magnet hybrid magnetic circuit drive motor of electric vehicle |
| 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 |
| CN103887948A (en) * | 2014-04-10 | 2014-06-25 | 山东理工大学 | Built-in permanent magnet steel hub driving motor of electric vehicle |
| CN104638863A (en) * | 2015-01-23 | 2015-05-20 | 浙江迈雷科技有限公司 | Permanent-magnet synchronous motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103762765A (en) | Tangential and radial resultant magnetic field embedded permanent magnet rotor driving motor | |
| CN103762766A (en) | Permanent-magnet hybrid magnetic circuit drive motor of electric vehicle | |
| CN103944336A (en) | Hub drive motor with radial and tangential permanent magnet steel embedded in rotor | |
| CN103887948A (en) | Built-in permanent magnet steel hub driving motor of electric vehicle | |
| CN105958775A (en) | Permanent-magnetic and claw pole electromagnetic hybrid excitation drive motor | |
| CN105958779A (en) | Built-in double-radial permanent magnet steel drive motor for electric automobiles | |
| CN103887910A (en) | Electromagnet and permanent magnet composite excitation electric vehicle driving motor | |
| CN103887947A (en) | Built-in tangential permanent magnet steel hub driving motor of electric vehicle | |
| CN103746483A (en) | Built-in permanent magnet rotor driving motor of electric automobile | |
| CN105790476A (en) | Built-in tangential and radial permanent magnet steel combined-type magnetic pole drive motor for electric automobile | |
| CN105978279A (en) | Rare-earth permanent magnetic driving motor embedded with tangential and radial synthesis magnetic field | |
| CN105958774B (en) | Surface Mount radial direction and embedded tangential permanent magnet steel driving motor | |
| CN105811712A (en) | Permanent magnet driving motor equipped with built-in radial and tangential combined type magnetic poles and used for electric automobile | |
| CN204103723U (en) | Electric automobile permanent magnet hybrid magnetic path motor | |
| CN105914995A (en) | Combined permanent magnetic and electromagnetic mixed excitation driving motor | |
| CN105914986A (en) | Brushless electromagnetic and composite permanent magnet magnetic pole mixed excitation driving motor | |
| CN105811623A (en) | Permanent magnet driving motor with built-in combined type radial and tangential magnetic fields | |
| CN105846569A (en) | Electric automobile electromagnetic and built-in permanent magnet combined magnetic pole hybrid excitation driving motor | |
| CN103762810A (en) | Hidden magnetic pole rare-earth permanent magnet drive motor for electric automobile | |
| CN105914993A (en) | Electric automobile combined magnetic pole and invisible magnetic pole driving motor | |
| CN105743247A (en) | Electric automobile combined-type permanent magnet pole wheel hub driving motor | |
| CN105790475A (en) | Built-in biradial permanent magnet steel combined-type magnetic field drive motor for electric automobile | |
| CN105958776A (en) | Embedded permanent magnet steel and invisible magnetic pole drive motor for electric automobiles | |
| CN105790474A (en) | Radial and built-in tangential permanent magnet steel drive motor for electric automobile | |
| CN106026594A (en) | Hub drive motor with built-in radial and tangential permanent magnet steels |
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: 20160720 |
|
| WD01 | Invention patent application deemed withdrawn after publication |