CN107104528A - A kind of high-performance Halbach type p-m rotors for flywheel energy storage system - Google Patents
A kind of high-performance Halbach type p-m rotors for flywheel energy storage system Download PDFInfo
- Publication number
- CN107104528A CN107104528A CN201710319260.9A CN201710319260A CN107104528A CN 107104528 A CN107104528 A CN 107104528A CN 201710319260 A CN201710319260 A CN 201710319260A CN 107104528 A CN107104528 A CN 107104528A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- armature spindle
- performance
- rotors
- energy storage
- 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
- 238000004146 energy storage Methods 0.000 title claims abstract description 16
- 230000005389 magnetism Effects 0.000 claims abstract description 10
- 238000003491 array Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 5
- 238000009826 distribution Methods 0.000 abstract description 9
- 241000388479 Physochlaina Species 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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
- 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
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/02—Additional mass for increasing inertia, e.g. flywheels
- H02K7/025—Additional mass for increasing inertia, e.g. flywheels for power storage
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Linear Motors (AREA)
Abstract
The invention discloses a kind of high-performance Halbach type p-m rotors for flywheel energy storage system, including armature spindle and the Halbach type permanent magnet arrays being bonded on armature spindle；The Halbach types permanent magnet array is alternately arranged by the permanent magnet blocks radially and circumferentially magnetized to be constituted, and magnetizing direction is successively with 90 ° of changes；The bottom of every piece of permanent magnet blocks is in arc-shaped, and the arc diameter of every piece of permanent magnet blocks bottom is respectively less than the diameter of armature spindle；A kind of high-performance Halbach type p-m rotors for flywheel energy storage system of the present invention, the bottom circular arc of permanent magnet blocks, actually on the basis of straight line or oblique line, the shape of local directed complete set permanent magnet blocks, the harmonic content of permanent magnet array Distribution of Magnetic Field is significantly reduced, Distribution of Magnetic Field is more nearly sinusoidal shape；It is also possible to increase permanent magnetism magnetomotive force, reduce physochlaina infudibularis amount, the final low-loss for obtaining motor and excellent electromagnetic performance.
Description
Technical field
The present invention relates to technical field of motors, specifically a kind of Halbach type permanent magnet rotor structures with circular arc.
Background technology
High speed electric/power generation integrated motor is the core component of flywheel energy storage system.Traditional high-speed high-power motor
Rotor nearly all uses tile shape, easy to manufacture, and technique is simple, but may only generally be adjusted during optimization design magnetic patch thickness and
Pole embrace, limits raising and the utilization rate of permanent magnet performance, is difficult between numerous optimization aims reach balance sometimes.
When designing high speed electric/power generation integrated motor, larger permanent magnetism magnetomotive force is not only needed to reduce stator winding
The physochlaina infudibularis amount such as thermic load, current density, and need low-down magnetic field harmonics content to reduce the eddy-current loss of motor；Permanent magnetism
Magnetomotive enhancing usually requires the usage amount of increase permanent magnet, while the decrease of permanent magnetic field harmonic content also requires that magnetic field
Rationally design, for example, the magnetic field of permanent magnet of Sine distribution can just obtain more excellent counter electromotive force Sine distribution as far as possible.
To achieve the above object, one of which is simple and effective method is exactly adjustment by permanent magnetism shape, at the same meet compared with
The requirement of big magnetomotive force and near sinusoidal Distribution of Magnetic Field.Therefore, the selection and optimization of p-m rotor shape, in motor electromagnetically
There is positive effect in terms of energy, loss control and cost control.
The content of the invention
For above-mentioned technical problem, the purpose of the present invention is：Propose a kind of height for flywheel energy storage system
Performance Halbach type p-m rotors.
What the technical solution of the present invention was realized in：A kind of high-performance Halbach for flywheel energy storage system
Type p-m rotor, including armature spindle and the Halbach type permanent magnet arrays being bonded on armature spindle；The Halbach types permanent magnetism
Volume array is alternately arranged by the permanent magnet blocks radially and circumferentially magnetized and constituted, and magnetizing direction is successively with 90 ° of changes；Every piece of permanent magnet
The bottom of block is in arc-shaped, and the arc diameter of every piece of permanent magnet blocks bottom is respectively less than the diameter of armature spindle.
It is preferred that, the armature spindle is non-magnetic nonmetallic materials.
It is preferred that, the armature spindle is arranged on the inner ring of Halbach type permanent magnet arrays.
It is preferred that, the armature spindle is arranged on the outer ring of Halbach type permanent magnet arrays.
Due to the utilization of above-mentioned technical proposal, the present invention has following advantages compared with prior art：
A kind of high-performance Halbach type p-m rotors for flywheel energy storage system of the present invention, the bottom circular arc of permanent magnet blocks,
Actually on the basis of straight line or oblique line, the shape of local directed complete set permanent magnet blocks significantly reduces permanent magnet array magnetic
The harmonic content of field distribution, makes Distribution of Magnetic Field be more nearly sinusoidal shape；It is also possible to increase permanent magnetism magnetomotive force, reduce heat
Parameter, the final low-loss for obtaining motor and excellent electromagnetic performance.
Armature spindle can use non-magnetic nonmetallic materials, can not only mitigate rotor weight, and completely eliminate and lead
The vortex that body-sensing is answered, reduces rotor loss, improves electric efficiency, obtains linear electric machine model；It is overall not only to answer
For inner rotor motor, external rotor electric machine can also be applied to, application is wider.
Brief description of the drawings
Technical solution of the present invention is described further below in conjunction with the accompanying drawings：
Accompanying drawing 1 is real for a kind of one kind of high-performance Halbach type p-m rotors for flywheel energy storage system of the present invention
Apply the schematic diagram of mode；
Accompanying drawing 2 is another for a kind of high-performance Halbach type p-m rotors for flywheel energy storage system of the present invention
The schematic diagram of embodiment.
Embodiment
Illustrate the present invention below in conjunction with the accompanying drawings.
Embodiment 1：
As shown in figure 1, a kind of high-performance Halbach type p-m rotors for flywheel energy storage system, including circumferentially magnetize forever
Magnet block 2 and the permanent magnet blocks of radial magnetizing 2 and armature spindle 1；The staggered row of permanent magnet blocks 2 wherein circumferentially with radial magnetizing
Row, magnetizing direction forms permanent magnet array with 90 ° of changes；Permanent magnet array surface mount is formed forever in the outer wall of armature spindle 1
Magnetic inner rotor core, threephase stator winding is positioned over the outside of permanent magnetism internal rotor.
The permanent magnet blocks 2 and the bottom of the permanent magnet blocks 2 of radial magnetizing that the Zhou Zhouxiang magnetizes are circular shapes, and every piece forever
The arc diameter of the bottom of magnet block 2 is respectively less than the diameter of armature spindle 1, and the bottom of the permanent magnet blocks 2 refers to permanent magnet blocks 2 and three
The close side of phase stator winding, in the present embodiment for permanent magnet array outer ring side；Its essence is in straight line or tiltedly
On the basis of line connection, by the local directed complete set of permanent magnet blocks shape, by the optimization design of size, permanent magnetism magnetomotive force is being improved
While, the magnetic signature of more Sine distribution is obtained, so as to reduce magnetic field harmonics content as much as possible, permanent magnet synchronous electric is reduced
The torque fluctuations and eddy-current loss of machine.
The armature spindle 1 uses non-magnetic nonmetallic materials, on the one hand alleviates weight, on the other hand, completely eliminates
Due to the eddy-current loss that conductor is present and triggers, the efficiency of motor is improved, obtains and is easier to realize high-precision motion control
Electromechanical linear model.
Embodiment 2：
As shown in Fig. 2 a kind of high-performance Halbach type p-m rotors for flywheel energy storage system, including Zhou Zhouxiang magnetizes
Permanent magnet blocks 2 and the permanent magnet blocks of radial magnetizing 2 and hollow armature spindle 1；Permanent magnet blocks 2 wherein circumferentially with radial magnetizing
It is staggered, magnetizing direction forms permanent magnet array with 90 ° of changes；Permanent magnet array surface mount is in hollow armature spindle 1
Inwall, forms permanent-magnetic outer rotor structure, and threephase stator winding is positioned over the inner side of permanent-magnetic outer rotor.
The permanent magnet blocks 2 and the bottom of the permanent magnet blocks 2 of radial magnetizing that the Zhou Zhouxiang magnetizes are circular shapes, and every piece forever
The arc diameter of the bottom of magnet block 2 is respectively less than the diameter of armature spindle 1, and the bottom of the permanent magnet blocks 2 refers to permanent magnet blocks 2 and three
The close side of phase stator winding, in the present embodiment for permanent magnet array inner ring side；Its essence is in straight line or tiltedly
On the basis of line connection, by the local directed complete set of permanent magnet blocks shape, by the optimization design of size, permanent magnetism magnetomotive force is being improved
While, the magnetic signature of more Sine distribution is obtained, so as to reduce magnetic field harmonics content as much as possible, permanent magnet synchronous electric is reduced
The torque fluctuations and eddy-current loss of machine.
The armature spindle 1 uses non-magnetic nonmetallic materials, on the one hand alleviates weight, on the other hand, completely eliminates
Due to the eddy-current loss that conductor is present and triggers, the efficiency of motor is improved, obtains and is easier to realize high-precision motion control
Electromechanical linear model.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and be carried out, and it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made, should all cover within the scope of the present invention.
Claims (4)
1. a kind of high-performance Halbach type p-m rotors for flywheel energy storage system, it is characterised in that：Including armature spindle and viscous
Tie in the Halbach type permanent magnet arrays on armature spindle；The Halbach types permanent magnet array is by radially and circumferentially magnetizing forever
Magnet block is alternately arranged composition, and magnetizing direction is successively with 90 ° of changes；The bottom of every piece of permanent magnet blocks is in arc-shaped, every block of permanent magnetism
The arc diameter of body block bottom is respectively less than the diameter of armature spindle.
2. a kind of high-performance Halbach type p-m rotors for flywheel energy storage system according to claim 1, its feature
It is：The armature spindle is non-magnetic nonmetallic materials.
3. a kind of high-performance Halbach type p-m rotors for flywheel energy storage system according to claim 1, its feature
It is：The armature spindle is arranged on the inner ring of Halbach type permanent magnet arrays.
4. a kind of high-performance Halbach type p-m rotors for flywheel energy storage system according to claim 1, its feature
It is：The armature spindle is arranged on the outer ring of Halbach type permanent magnet arrays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710319260.9A CN107104528A (en) | 2017-05-09 | 2017-05-09 | A kind of high-performance Halbach type p-m rotors for flywheel energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710319260.9A CN107104528A (en) | 2017-05-09 | 2017-05-09 | A kind of high-performance Halbach type p-m rotors for flywheel energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107104528A true CN107104528A (en) | 2017-08-29 |
Family
ID=59668818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710319260.9A Pending CN107104528A (en) | 2017-05-09 | 2017-05-09 | A kind of high-performance Halbach type p-m rotors for flywheel energy storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107104528A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429370A (en) * | 2017-12-26 | 2018-08-21 | 珠海磐磊智能科技有限公司 | Motor |
| EP3451498A1 (en) * | 2017-08-30 | 2019-03-06 | Lakeview Innovation Ltd. | Multipolar rotor with loaf-shaped permanent magnets |
| CN109560634A (en) * | 2018-12-21 | 2019-04-02 | 苏州腾冉电气设备股份有限公司 | A kind of Halbach type permanent-magnetic outer rotor mounting structure |
| CN112913125A (en) * | 2018-07-06 | 2021-06-04 | 斯宾莱科特里克斯公司 | Electromechanical battery |
| CN113809850A (en) * | 2021-09-10 | 2021-12-17 | 中国科学院江西稀土研究院 | Bearingless permanent magnet motor rotor for artificial heart pump and application |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007014110A (en) * | 2005-06-30 | 2007-01-18 | Asmo Co Ltd | Rotary electric machine |
| DE102009024014A1 (en) * | 2009-06-05 | 2010-12-09 | Minebea Co., Ltd., Miyota-machi | Rotor for permanent magnet motor, has shaft and rotor body which is connected with shaft in rotably fixed manner, where anisotropic multipolar drive magnet is formed at rotor body |
| CN102545515A (en) * | 2012-01-19 | 2012-07-04 | 天津清源电动车辆有限责任公司 | Permanent-magnet motor based on Halbach array for electric automobile hub |
| CN104201854A (en) * | 2014-09-18 | 2014-12-10 | 同济大学 | Electromagnetic structure of vehicular external-rotor radial-magnetic-field permanent magnet synchronous in-wheel motor |
| CN206962556U (en) * | 2017-05-09 | 2018-02-02 | 苏州腾冉电气设备股份有限公司 | A kind of high-performance Halbach type p-m rotors for flywheel energy storage system |
-
2017
- 2017-05-09 CN CN201710319260.9A patent/CN107104528A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007014110A (en) * | 2005-06-30 | 2007-01-18 | Asmo Co Ltd | Rotary electric machine |
| DE102009024014A1 (en) * | 2009-06-05 | 2010-12-09 | Minebea Co., Ltd., Miyota-machi | Rotor for permanent magnet motor, has shaft and rotor body which is connected with shaft in rotably fixed manner, where anisotropic multipolar drive magnet is formed at rotor body |
| CN102545515A (en) * | 2012-01-19 | 2012-07-04 | 天津清源电动车辆有限责任公司 | Permanent-magnet motor based on Halbach array for electric automobile hub |
| CN104201854A (en) * | 2014-09-18 | 2014-12-10 | 同济大学 | Electromagnetic structure of vehicular external-rotor radial-magnetic-field permanent magnet synchronous in-wheel motor |
| CN206962556U (en) * | 2017-05-09 | 2018-02-02 | 苏州腾冉电气设备股份有限公司 | A kind of high-performance Halbach type p-m rotors for flywheel energy storage system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3451498A1 (en) * | 2017-08-30 | 2019-03-06 | Lakeview Innovation Ltd. | Multipolar rotor with loaf-shaped permanent magnets |
| KR20190024769A (en) * | 2017-08-30 | 2019-03-08 | 레이크뷰 이노베이션 리미티드 | Multipole rotor with loaf-shaped or piece-of-cake-like permanent magnets |
| KR102128164B1 (en) * | 2017-08-30 | 2020-06-30 | 레이크뷰 이노베이션 리미티드 | Multipole rotor with loaf-shaped or piece-of-cake-like permanent magnets |
| EP3451502B1 (en) * | 2017-08-30 | 2022-10-05 | maxon international ag | Multipolar rotor with loaf-shaped or pie segment permanent magnets |
| CN108429370A (en) * | 2017-12-26 | 2018-08-21 | 珠海磐磊智能科技有限公司 | Motor |
| CN112913125A (en) * | 2018-07-06 | 2021-06-04 | 斯宾莱科特里克斯公司 | Electromechanical battery |
| CN109560634A (en) * | 2018-12-21 | 2019-04-02 | 苏州腾冉电气设备股份有限公司 | A kind of Halbach type permanent-magnetic outer rotor mounting structure |
| CN113809850A (en) * | 2021-09-10 | 2021-12-17 | 中国科学院江西稀土研究院 | Bearingless permanent magnet motor rotor for artificial heart pump and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109274240B (en) | Composite Amorphous Alloy Axial Flux Motor | |
| CN107104528A (en) | A kind of high-performance Halbach type p-m rotors for flywheel energy storage system | |
| CN103051138B (en) | Multi-tooth magnetic flux switching permanent magnetic memory motor | |
| CN101299567B (en) | A motor body topology of an uncoupled electric continuously variable transmission | |
| CN106374718A (en) | Magnetic Alternating Pole Vernier Permanent Magnet Motor and Its Application | |
| CN101826763A (en) | Rotor structure of permanent magnet motor | |
| CN108282065A (en) | High efficiency, high power density Halbach array brshless DC motor | |
| CN106849567A (en) | A kind of flux switch permanent magnet motor of high power density | |
| CN116317232A (en) | A double armature alternating pole bearingless flux reversing motor | |
| CN103178672B (en) | Stator-surface-mounted type doubly salient permanent magnet motor adopting modularized rotor | |
| CN204046376U (en) | A kind of E shape tooth birotor Magneticflux-switching type magneto | |
| CN103490533A (en) | Stator split magnetic flow switching type permanent magnetic memory motor | |
| CN103501063B (en) | A kind of many flute profiles permanent magnetism embedded Magneticflux-switching type memory electrical machine | |
| CN107493004A (en) | A kind of modularization cylindrical permanent linear synchronous motor | |
| Baqaruzi et al. | The Effect of Halbach Array Configuration on Permanent-Magnet Synchronous Generator (PMSG) Outer-Runner | |
| CN204858923U (en) | A directly drive formula permanent magnetism AC servo motor for forging press | |
| CN107317447A (en) | A kind of reluctance motor of novel transverse magnetic flux structure | |
| CN109347367A (en) | A kind of air gap unipolarity magnetic suspension self bearing motor | |
| CN206962556U (en) | A kind of high-performance Halbach type p-m rotors for flywheel energy storage system | |
| CN202444339U (en) | Fault-tolerant-type semi-tooth-winding stator surface mounting type permanent magnet motor | |
| CN102355110B (en) | Large-capacity outer rotor three-sided stator transverse flux permanent magnet wind turbine | |
| CN111555492A (en) | Parallel-magnetizing small-rare-earth-combination local Halbach array high-speed permanent magnet motor | |
| CN105958788A (en) | Synchronous reluctance motor | |
| CN106100272A (en) | The double-salient-pole magnetic flux controllable motor that a kind of few rare earth tooth yoke is complementary | |
| CN207320978U (en) | A kind of distribution composite excitation type motor rotor construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170829 |