CN108988527A - A kind of composite excitation high power density magnetic resistance permanent magnet machine rotor - Google Patents
A kind of composite excitation high power density magnetic resistance permanent magnet machine rotor Download PDFInfo
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- CN108988527A CN108988527A CN201810674799.0A CN201810674799A CN108988527A CN 108988527 A CN108988527 A CN 108988527A CN 201810674799 A CN201810674799 A CN 201810674799A CN 108988527 A CN108988527 A CN 108988527A
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- Prior art keywords
- magnet
- rotor
- air chamber
- high power
- power density
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Classifications
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- 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
Abstract
The invention discloses a kind of composite excitation high power density magnetic resistance permanent magnet machine rotors, including the rotor installed with central rotating shaft with central axis, each magnetic pole of the rotor includes that at least one is embedded to magnetospheric magnet arrangement, the magnet arrangement can provide single layer pair or multi-layer magnet superposition in the rotor, around the axis of the central rotating shaft, circumferential uniformly arrangement is provided with the identical magnetic flux group of multiple structures on the magnetosphere of the rotor, each magnetic flux group has multiple air cavity groups, respective magnetospheric magnet is distributed in the air cavity group selection, conduction purpose for magnetic flux.By the above-mentioned means, composite excitation high power density magnetic resistance permanent magnet machine rotor of the present invention, for the electric drive motor of motor vehicles, as towing gear, the efficiency with higher when being run within the scope of weak magnetic.
Description
Technical field
The present invention relates to magneto fields, turn more particularly to a kind of composite excitation high power density magnetic resistance magneto
Son.
Background technique
Under normal conditions, the permanent excitation synchronous motor for showing strong magnetic asymmetry in the rotor is used as electricity
Driving motor, for example, this driving motor is used as the towing gear in motor vehicles, when driving motor is appropriately driven
When, in driving motor by the direction of magnet series inductance and transverse direction inductance Lq transverse to the direction of pole, produce
Reluctance torque is increased in addition to the torque additional by permanent-magnet magnetic flux, is especially embodied under low-power, and motor operation needs less
Magnetic field, in frequency conversion high power operation, it is more likely to the torque of magnetic resistance, and permission ensures to export in the high speed stage, existing
Magneto there are reluctance torque utilize insufficient, the low disadvantage of electromagnetic torque.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of composite excitation high power density magnetic resistance permanent magnet machine rotor,
The torque density for improving motor, the efficiency with higher when being run within the scope of weak magnetic.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of composite excitation high power density
Reluctance permanent magnet motor rotor, including the rotor installed with central rotating shaft with central axis, each magnetic pole of the rotor includes at least
The magnetospheric magnet arrangement of one embedment, the magnet arrangement can provide single layer pair in the rotor or multi-layer magnet is folded
Add, around the axis of the central rotating shaft, it is identical to be provided with multiple structures for circumferential uniformly arrangement on the magnetosphere of the rotor
Magnetic flux group, each magnetic flux group have multiple air cavity groups, the air cavity group for magnetic flux conduction and selection
Property distribute to respective magnetospheric magnet.
In a preferred embodiment of the present invention, the magnetic flux group includes the " V on the section perpendicular to the rotor axis
" type opposed the first magnet and the second magnet.
In a preferred embodiment of the present invention, the diameter of first magnet and the second magnet along the magnetic layer cross section
D is symmetrical arranged, and is placed in rotor recesses portion.
In a preferred embodiment of the present invention, the air cavity group includes the first air chamber and the second air chamber, is divided
It She Zhi not be in two flank bottoms of the first opposed magnet of " V " type and the second magnet.
In a preferred embodiment of the present invention, the magnetic flux group includes D pair of diameter perpendicular to the magnetic layer cross section
Claim the third magnet of setting.
In a preferred embodiment of the present invention, the air cavity group includes being arranged in the third magnet opposite end
Third air chamber, the 4th air chamber, the third air chamber, the 5th air chamber and immediately below the 4th air chamber are set
Six air chambers.
In a preferred embodiment of the present invention, the distance between the third air chamber, the 5th air chamber and described
The distance between four air chambers, the 6th air chamber are roughly the same.
The beneficial effects of the present invention are: providing a kind of composite excitation high power density magnetic resistance permanent magnet machine rotor, pass through magnetic
The setting of logical group, improves the torque density of motor, the efficiency with higher when running within the scope of weak magnetic, while in Permanent Magnet and Electric
The technical application of machine and universal there are extensive market prospects.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is composite excitation high power density magnetic resistance permanent magnet machine rotor schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of one preferred embodiment of composite excitation high power density magnetic resistance permanent magnet machine rotor of the invention；
Fig. 3 is the structural representation of composite excitation high power density magnetic resistance permanent magnet machine rotor another preferred embodiment of the invention
Figure.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Fig. 1-3 is please referred to, the embodiment of the present invention includes: a kind of composite excitation high power density magnetic resistance permanent magnet machine rotor,
Including the rotor 1 installed with central rotating shaft with central axis, each magnetic pole of the rotor includes at least one embedment magnetosphere 2
Magnet arrangement, the magnet arrangement can provide single layer pair or multi-layer magnet superposition in the rotor 1, turn around the center
The axis of axis, circumferential uniformly arrangement is provided with the identical magnetic flux group 3 of multiple structures on the magnetosphere 2 of the rotor 1, described every
A magnetic flux group 3 has multiple air cavity groups 31, and 31 selectivity of air cavity group distributes to the magnet of respective magnetosphere 2,
Conduction purpose for magnetic flux.
Fig. 2 shows the first exemplary implementations of the details of magnetic flux group in density reluctance permanent magnet motor rotor of the invention
Example, the magnetic flux group 3 includes opposed the first magnet 32 and the second magnet of " V " type on the section perpendicular to the rotor axis
33, the diameter D of first magnet 32 and the second magnet 33 along 2 section of magnetosphere is symmetrical arranged, and is that save the cost is turning
Rotor recesses portion 34 is introduced in sub- punching course, the first magnet 32 and the second magnet 33 is placed in concave part 34, the sky
Air cavity group 31 includes the first air chamber 311 and the second air chamber 312, is separately positioned on the first opposed magnet of " V " type and the
Two flank bottoms of two magnets, in the arrangement of magnetospheric " V " type permanent magnet, in actual operation, below magnetospheric V
In the radial direction, it is also possible to there is the magnetosphere for being superimposed N layers parallel with the first magnetosphere V-type, in principle, greater amount of magnetism
Layer is possible, but quantity is maintained within production and the limitation of implementation reason.In practice, few more than three magnetospheres
It is implemented.
Fig. 3 shows the second exemplary implementation of the details of magnetic flux group in density reluctance permanent magnet motor rotor of the invention
There are the rotor parallel magnets of additive air chamber to be laid out for example, the magnetic flux group 3, and magnetosphere 2 includes cutting perpendicular to the magnetosphere 2
The symmetrically arranged third magnet 35 of the diameter D in face, third magnet 35 are introduced into rotor recesses 36, include in air cavity group 31
Third air chamber 313, the 4th air chamber 314 of 35 opposite end of third magnet are set, are arranged in the third air
The 5th air chamber 315 and the 6th air chamber 316 immediately below chamber 313, the 4th air chamber 314, the third air chamber 313, the
The distance between five air chambers 315 and roughly the same, the multiple groups of the distance between the 4th air chamber 314, the 6th air chamber 316
Air chamber is assigned to respective magnetosphere, to realize the purpose of magnetic flux, by introducing the setting of multiple magnetic flux groups, can press down
System or the fluctuation at least minimizing magnetic flux density in stator tooth, reduce the iron loss that may occur, especially in weak magnetic significantly
In the range of field, as a result, inhibiting the magnetic flux between the rotor of driving motor and stator to toggle, in any number of magnetic
Property layer in the case where, provide a large amount of magnetic flux groups can rotor extremely in realize, method of the invention is for multiple and different electricity
The design of driving motor is flexible.Similarly, the number of magnetic flux group can be independently of the number of pole-pairs in the rotor of driving motor
Mesh is realized.
The beneficial effect of composite excitation high power density magnetic resistance permanent magnet machine rotor of the present invention is: providing a kind of composite excitation
High power density magnetic resistance permanent magnet machine rotor improves the torque density of motor, when within the scope of weak magnetic by the setting of magnetic flux group
Efficiency with higher when operation, while in the technical application of magneto and universal having extensive market prospects.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (7)
1. a kind of composite excitation high power density magnetic resistance permanent magnet machine rotor, which is characterized in that including with the same center of central rotating shaft
The rotor of axis installation, each magnetic pole of the rotor include that at least one is embedded to magnetospheric magnet arrangement, the magnet arrangement
Single layer pair or multi-layer magnet superposition can be provided in the rotor, around the axis of the central rotating shaft, in the rotor
Circumferential uniformly arrangement is provided with the identical magnetic flux group of multiple structures on magnetosphere, and each magnetic flux group has multiple air cavitys
Group, the air cavity group are used for the conduction of magnetic flux and selectively distribute to respective magnetospheric magnet.
2. composite excitation high power density magnetic resistance permanent magnet machine rotor according to claim 1, which is characterized in that the magnetic
Logical group includes " V " type on the section perpendicular to the rotor axis opposed the first magnet and the second magnet.
3. composite excitation high power density magnetic resistance permanent magnet machine rotor according to claim 2, which is characterized in that described
One magnet and the second magnet are symmetrical arranged along the diameter D of the magnetic layer cross section, and are placed in rotor recesses portion.
4. composite excitation high power density magnetic resistance permanent magnet machine rotor according to claim 2, which is characterized in that the sky
Air cavity group includes the first air chamber and the second air chamber, is separately positioned on the first opposed magnet of " V " type and the second magnet
Two flank bottoms.
5. composite excitation high power density magnetic resistance permanent magnet machine rotor according to claim 1, which is characterized in that the magnetic
Logical group includes the symmetrically arranged third magnet of diameter D perpendicular to the magnetic layer cross section.
6. composite excitation high power density magnetic resistance permanent magnet machine rotor according to claim 5, which is characterized in that the sky
Air cavity group includes the third air chamber that the third magnet opposite end is arranged in, the 4th air chamber, is arranged in the third
The 5th air chamber and the 6th air chamber immediately below air chamber, the 4th air chamber.
7. composite excitation high power density magnetic resistance permanent magnet machine rotor according to claim 6, which is characterized in that described
The distance between three air chambers, the 5th air chamber are roughly the same with the distance between the 4th air chamber, the 6th air chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810674799.0A CN108988527A (en) | 2018-06-27 | 2018-06-27 | A kind of composite excitation high power density magnetic resistance permanent magnet machine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810674799.0A CN108988527A (en) | 2018-06-27 | 2018-06-27 | A kind of composite excitation high power density magnetic resistance permanent magnet machine rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108988527A true CN108988527A (en) | 2018-12-11 |
Family
ID=64538988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810674799.0A Pending CN108988527A (en) | 2018-06-27 | 2018-06-27 | A kind of composite excitation high power density magnetic resistance permanent magnet machine rotor |
Country Status (1)
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Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1388624A (en) * | 2001-05-25 | 2003-01-01 | 株式会社日立制作所 | Permanent magnet rotary motor |
| CN1933297A (en) * | 2005-09-07 | 2007-03-21 | 株式会社东芝 | Electric rotating machine |
| CN101820238A (en) * | 2009-02-20 | 2010-09-01 | 通用汽车环球科技运作公司 | Be used to have the method and apparatus of the magneto of asymmetric rotor magnet |
| CN102017367A (en) * | 2008-05-08 | 2011-04-13 | 大金工业株式会社 | Field element |
| CN102751799A (en) * | 2007-03-20 | 2012-10-24 | 株式会社安川电机 | Permanent magnet synchronous rotating electric machine and rotor core |
| CN103501067A (en) * | 2013-09-25 | 2014-01-08 | 广东美芝制冷设备有限公司 | Rotor of electromotor |
| CN104038011A (en) * | 2014-06-03 | 2014-09-10 | 广东美芝制冷设备有限公司 | Permanent magnetic synchronous reluctance motor and compressor including same |
| CN104052227A (en) * | 2014-06-03 | 2014-09-17 | 广东美芝制冷设备有限公司 | Permanent magnet synchronous reluctance motor and compressor with same |
| CN203911704U (en) * | 2014-06-03 | 2014-10-29 | 广东美芝制冷设备有限公司 | Motor and compressor having motor |
| CN204465182U (en) * | 2014-11-26 | 2015-07-08 | 天津市松正电动汽车技术股份有限公司 | A kind of synchronous magnetic resistance motor structure and hybrid electric drive system |
| CN105048670A (en) * | 2015-08-14 | 2015-11-11 | 柳州佳力电机股份有限公司 | High-power permanent magnet synchronous motor rotor |
| CN105553143A (en) * | 2016-02-25 | 2016-05-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor iron core and permanent magnet synchronous motor with same |
| CN105900317A (en) * | 2014-01-07 | 2016-08-24 | 利莱森玛电机公司 | Method for determining the polarity of a rotor pole of an electrical rotating machine |
| CN106160286A (en) * | 2016-07-13 | 2016-11-23 | 广东威灵电机制造有限公司 | Magneto |
| CN107425630A (en) * | 2017-05-27 | 2017-12-01 | 南京航空航天大学 | One kind alternating pole built-in permanent magnet motor rotor |
| CN107546887A (en) * | 2016-06-23 | 2018-01-05 | 沃尔沃汽车公司 | Motor |
| CN207410133U (en) * | 2017-11-29 | 2018-05-25 | 深圳市百盛传动有限公司 | A kind of permanent magnetism power-assisted reluctance motor and its rotor structure |
-
2018
- 2018-06-27 CN CN201810674799.0A patent/CN108988527A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1388624A (en) * | 2001-05-25 | 2003-01-01 | 株式会社日立制作所 | Permanent magnet rotary motor |
| CN1933297A (en) * | 2005-09-07 | 2007-03-21 | 株式会社东芝 | Electric rotating machine |
| CN102751799A (en) * | 2007-03-20 | 2012-10-24 | 株式会社安川电机 | Permanent magnet synchronous rotating electric machine and rotor core |
| CN102017367A (en) * | 2008-05-08 | 2011-04-13 | 大金工业株式会社 | Field element |
| CN101820238A (en) * | 2009-02-20 | 2010-09-01 | 通用汽车环球科技运作公司 | Be used to have the method and apparatus of the magneto of asymmetric rotor magnet |
| CN103501067A (en) * | 2013-09-25 | 2014-01-08 | 广东美芝制冷设备有限公司 | Rotor of electromotor |
| CN105900317A (en) * | 2014-01-07 | 2016-08-24 | 利莱森玛电机公司 | Method for determining the polarity of a rotor pole of an electrical rotating machine |
| CN104052227A (en) * | 2014-06-03 | 2014-09-17 | 广东美芝制冷设备有限公司 | Permanent magnet synchronous reluctance motor and compressor with same |
| CN203911704U (en) * | 2014-06-03 | 2014-10-29 | 广东美芝制冷设备有限公司 | Motor and compressor having motor |
| CN104038011A (en) * | 2014-06-03 | 2014-09-10 | 广东美芝制冷设备有限公司 | Permanent magnetic synchronous reluctance motor and compressor including same |
| CN204465182U (en) * | 2014-11-26 | 2015-07-08 | 天津市松正电动汽车技术股份有限公司 | A kind of synchronous magnetic resistance motor structure and hybrid electric drive system |
| CN105048670A (en) * | 2015-08-14 | 2015-11-11 | 柳州佳力电机股份有限公司 | High-power permanent magnet synchronous motor rotor |
| CN105553143A (en) * | 2016-02-25 | 2016-05-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor iron core and permanent magnet synchronous motor with same |
| CN107546887A (en) * | 2016-06-23 | 2018-01-05 | 沃尔沃汽车公司 | Motor |
| CN106160286A (en) * | 2016-07-13 | 2016-11-23 | 广东威灵电机制造有限公司 | Magneto |
| CN107425630A (en) * | 2017-05-27 | 2017-12-01 | 南京航空航天大学 | One kind alternating pole built-in permanent magnet motor rotor |
| CN207410133U (en) * | 2017-11-29 | 2018-05-25 | 深圳市百盛传动有限公司 | A kind of permanent magnetism power-assisted reluctance motor and its rotor structure |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181211 |
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| RJ01 | Rejection of invention patent application after publication |