CN204030760U - The rotor structure of permagnetic synchronous motor - Google Patents
The rotor structure of permagnetic synchronous motor Download PDFInfo
- Publication number
- CN204030760U CN204030760U CN201420361025.XU CN201420361025U CN204030760U CN 204030760 U CN204030760 U CN 204030760U CN 201420361025 U CN201420361025 U CN 201420361025U CN 204030760 U CN204030760 U CN 204030760U
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- magnet steel
- rotor
- rotor subject
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- radial section
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 111
- 239000010959 steel Substances 0.000 claims abstract description 111
- 238000004080 punching Methods 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
A kind of rotor structure of permagnetic synchronous motor, comprise a plurality of rotor punchings, rotor punching is all rounded and connect and compose rotor subject along its axial overlap, in rotor subject, be provided with even number of poles, magnetic pole is uniformly distributed along circumferential, any one magnetic pole is first magnet steel of each freedom all, second magnet steel and the 3rd magnet steel form, the first magnet steel, the second magnet steel and the 3rd magnet steel are all bar shaped in the radial section of rotor subject, the first magnet steel and the second magnet steel are V-shape and arrange, the 3rd magnet steel is arranged in the V-shape aperture position of the first magnet steel and the second magnet steel, the length direction of the 3rd magnet steel in the radial section of rotor subject is perpendicular to the center line of the angle of the first magnet steel and the second magnet steel, the cylindrical of the 3rd magnet steel and rotor punching is adjacent.The utility model adopts leg-of-mutton salient-pole structure in rotor subject, has improved the salient pole utilance of motor, reach identical moment of torsion and need consume magnet steel can still less, improve the structural strength of salient pole simultaneously.
Description
Technical field:
The utility model relates to electricity field, relates in particular to permagnetic synchronous motor, particularly a kind of rotor structure of permagnetic synchronous motor.
Background technology:
Along with the high speed development of new-energy automobile, to ISG motor (Integrated Starter and Generator, automobile start power generation all-in-one machine) to have higher requirement, ISG motor is except needing the function of integrated starting motor and generator, goes back Structure of need compactness, efficiency is high.In prior art, ISG motor adopts permagnetic synchronous motor, in order to ensure that motor can be integrated on the main shaft of automobile engine, often adopts the scheme of centralized winding to reduce the axial length of motor.But centralized winding leakage inductance is large, be unfavorable for improving the salient pole torque utilization of motor, so rotor needs to adopt " one " font magnetic steel structure, magnet steel consumption is larger, and the counter potential waveform of centralized winding electric machine is poor.
Summary of the invention:
The purpose of this utility model is to provide a kind of rotor structure of permagnetic synchronous motor, and the rotor structure of described this permagnetic synchronous motor will solve the technical problem that in prior art, ISG motor winding leakage field is large, salient pole torque utilization is low and magnet steel consumption is large, counter potential waveform is poor.
The rotor structure of this permagnetic synchronous motor of the present utility model, comprise a plurality of rotor punchings, described rotor punching is all rounded, rotor punching connects and composes rotor subject along its axial overlap, wherein, in described rotor subject, be provided with even number of poles, described magnetic pole is uniformly distributed along circumferential, any one magnetic pole is first magnet steel of each freedom all, second magnet steel and the 3rd magnet steel form, the first described magnet steel, the second magnet steel and the 3rd magnet steel are all bar shaped in the radial section of rotor subject, the first magnet steel and the second magnet steel are V-shape and arrange, the 3rd magnet steel is arranged in the V-shape aperture position of the first magnet steel and the second magnet steel, the length direction of the 3rd magnet steel in the radial section of rotor subject is perpendicular to the center line of the angle of the first magnet steel and the second magnet steel, the cylindrical of the 3rd magnet steel and rotor punching is adjacent.
Further, the number of described magnetic pole is 24, the width of the 3rd magnet steel in the radial section of rotor subject is 2.8mm, the first magnet steel and the second magnet steel are between the 3rd magnet steel and the axle center of rotor subject, and the first magnet steel and the width of the second magnet steel in the radial section of rotor subject are 2mm.
Or, the number of described magnetic pole is 12, the width of the 3rd magnet steel in the radial section of rotor subject is 2.3mm, the first magnet steel and the second magnet steel are between the 3rd magnet steel and the axle center of rotor subject, and the first magnet steel and the width of the second magnet steel in the radial section of rotor subject are 4.8mm.
The utility model and prior art are compared, and its effect is actively with obvious.The utility model adopts leg-of-mutton salient-pole structure in the rotor subject of permagnetic synchronous motor, has improved the salient pole utilance of motor, reaches identical moment of torsion and needs the magnet steel consuming can be still less, also improve the structural strength of salient pole simultaneously.
Brief description of the drawings:
Fig. 1 is the structural representation of the magnetic pole in the rotor structure of permagnetic synchronous motor of the present utility model.
Fig. 2 is the schematic diagram that adopts an embodiment of the rotor structure of permagnetic synchronous motor of the present utility model.
Fig. 3 is the schematic diagram that adopts another embodiment of the rotor structure of permagnetic synchronous motor of the present utility model.
Embodiment:
Embodiment 1:
As Fig. 1, shown in Fig. 2 and Fig. 3, the rotor structure of permagnetic synchronous motor of the present utility model, comprise a plurality of rotor punchings 4, described rotor punching 4 is all rounded, rotor punching 4 connects and composes rotor subject along its axial overlap, wherein, in described rotor subject, be provided with even number of poles 5, described magnetic pole 5 is uniformly distributed along circumferential, any one magnetic pole 5 is first magnet steel 1 of each freedom all, second magnet steel 2 and the 3rd magnet steel 3 form, the first described magnet steel 1, the second magnet steel 2 and the 3rd magnet steel 3 are all bar shaped in the radial section of rotor subject, the first magnet steel 1 and the second magnet steel 2 are V-shape and arrange, the 3rd magnet steel 3 is arranged in the V-shape aperture position of the first magnet steel 1 and the second magnet steel 2, the length direction of the 3rd magnet steel 3 in the radial section of rotor subject is perpendicular to the center line of the angle of the first magnet steel 1 and the second magnet steel 2, the 3rd magnet steel 3 is adjacent with the cylindrical of rotor punching 4.
Embodiment 2:
As shown in Figure 2, the number of described magnetic pole 5 is 24, the width of the 3rd magnet steel 3 in the radial section of rotor subject is 2.8mm, the first magnet steel 1 and the second magnet steel 2 are between the 3rd magnet steel 3 and the axle center of rotor subject, and the first magnet steel 1 and the width of the second magnet steel 2 in the radial section of rotor subject are 2mm.
This magnetic steel structure has double-salient-pole magnetic circuit, a salient pole magnetic circuit between the utmost point and the utmost point of magnet steel, the first magnet steel after V-shape is arranged of another article of salient pole magnetic circuit and the combination of the second magnet steel and independently between the 3rd magnet steel, double-salient-pole magnetic circuit has improved the q axle inductance of motor.This triangle magnetic steel structure has higher poly-magnetic property, and the magnetic of " one " font magnet steel connects airtight near even higher than the Br of magnet steel, the d axle inductance of motor is reduced, according to formula
λ=L
q/L
d
The salient pole rate λ of motor increases, and has improved the salient pole utilance of motor, and institute thinks the moment of torsion that reaches identical, adopt this magnetic steel structure motor needs magnet steel still less.
Embodiment 3:
As shown in Figure 3, the number of described magnetic pole 5 is 12, the width of the 3rd magnet steel 3 in the radial section of rotor subject is 2.3mm, the first magnet steel 1 and the second magnet steel 2 are between the 3rd magnet steel 3 and the axle center of rotor subject, and the first magnet steel 1 and the width of the second magnet steel 2 in the radial section of rotor subject are 4.8mm.
Claims (3)
1. the rotor structure of a permagnetic synchronous motor, comprise a plurality of rotor punchings, described rotor punching is all rounded, rotor punching connects and composes rotor subject along its axial overlap, it is characterized in that: in described rotor subject, be provided with even number of poles, described magnetic pole is uniformly distributed along circumferential, any one magnetic pole is first magnet steel of each freedom all, second magnet steel and the 3rd magnet steel form, the first described magnet steel, the second magnet steel and the 3rd magnet steel are all bar shaped in the radial section of rotor subject, the first magnet steel and the second magnet steel are V-shape and arrange, the 3rd magnet steel is arranged in the V-shape aperture position of the first magnet steel and the second magnet steel, the length direction of the 3rd magnet steel in the radial section of rotor subject is perpendicular to the center line of the angle of the first magnet steel and the second magnet steel, the cylindrical of the 3rd magnet steel and rotor punching is adjacent.
2. the rotor structure of permagnetic synchronous motor as claimed in claim 1, it is characterized in that: the number of described magnetic pole is 24, the width of the 3rd magnet steel in the radial section of rotor subject is 2.8mm, the first magnet steel and the second magnet steel are between the 3rd magnet steel and the axle center of rotor subject, and the first magnet steel and the width of the second magnet steel in the radial section of rotor subject are 2mm.
3. the rotor structure of permagnetic synchronous motor as claimed in claim 1, it is characterized in that: the number of described magnetic pole is 12, the width of the 3rd magnet steel in the radial section of rotor subject is 2.3mm, the first magnet steel and the second magnet steel are between the 3rd magnet steel and the axle center of rotor subject, and the first magnet steel and the width of the second magnet steel in the radial section of rotor subject are 4.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420361025.XU CN204030760U (en) | 2014-07-01 | 2014-07-01 | The rotor structure of permagnetic synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420361025.XU CN204030760U (en) | 2014-07-01 | 2014-07-01 | The rotor structure of permagnetic synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204030760U true CN204030760U (en) | 2014-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420361025.XU Expired - Lifetime CN204030760U (en) | 2014-07-01 | 2014-07-01 | The rotor structure of permagnetic synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204030760U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743254A (en) * | 2016-05-12 | 2016-07-06 | 张学义 | Electromagnetic and permanent magnet parallel magnetic circuit mixed excitation driving motor of electric automobile |
| CN105743253A (en) * | 2016-05-12 | 2016-07-06 | 张学义 | Claw-pole permanent magnet and salient pole electric excitation hybrid generator used for automobile |
| CN105811720A (en) * | 2016-05-11 | 2016-07-27 | 山东理工大学 | Hub driving motor equipped with built-in permanent magnet steels and used for electric vehicle |
| CN105811716A (en) * | 2016-05-13 | 2016-07-27 | 山东理工大学 | Brushless electromagnetic and biradial permanent-magnet series-parallel power generator for vehicle |
| CN105896849A (en) * | 2016-05-12 | 2016-08-24 | 张学义 | Parallel magnetic circuit hybrid excitation driving motor rotor generating method |
| CN106391821A (en) * | 2015-06-15 | 2017-02-15 | 丰田纺织株式会社 | Metal plate punching method and metal plate punching system |
| CN107516953A (en) * | 2017-10-23 | 2017-12-26 | 安徽栋霖电气有限公司 | A kind of mixed type permanent-magnet pole rotor |
-
2014
- 2014-07-01 CN CN201420361025.XU patent/CN204030760U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391821A (en) * | 2015-06-15 | 2017-02-15 | 丰田纺织株式会社 | Metal plate punching method and metal plate punching system |
| US10486219B2 (en) | 2015-06-15 | 2019-11-26 | Toyota Boshoku Kabushiki Kaisha | Metal plate punching method and metal plate punching system |
| CN105811720A (en) * | 2016-05-11 | 2016-07-27 | 山东理工大学 | Hub driving motor equipped with built-in permanent magnet steels and used for electric vehicle |
| CN105743254A (en) * | 2016-05-12 | 2016-07-06 | 张学义 | Electromagnetic and permanent magnet parallel magnetic circuit mixed excitation driving motor of electric automobile |
| CN105743253A (en) * | 2016-05-12 | 2016-07-06 | 张学义 | Claw-pole permanent magnet and salient pole electric excitation hybrid generator used for automobile |
| CN105896849A (en) * | 2016-05-12 | 2016-08-24 | 张学义 | Parallel magnetic circuit hybrid excitation driving motor rotor generating method |
| CN105811716A (en) * | 2016-05-13 | 2016-07-27 | 山东理工大学 | Brushless electromagnetic and biradial permanent-magnet series-parallel power generator for vehicle |
| CN107516953A (en) * | 2017-10-23 | 2017-12-26 | 安徽栋霖电气有限公司 | A kind of mixed type permanent-magnet pole rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Kai Inventor after: Cao Hongfei Inventor after: Li Zhouqing Inventor after: Xu Feng Inventor before: Zhang Kai Inventor before: Cao Hongfei Inventor before: Li Zhouqing |
|
| CX01 | Expiry of patent term |
Granted publication date: 20141217 |
|
| CX01 | Expiry of patent term |