CN101814871B - Direct-current static and dynamic symmetric/asymmetric magnetic field generating device - Google Patents
Direct-current static and dynamic symmetric/asymmetric magnetic field generating device Download PDFInfo
- Publication number
- CN101814871B CN101814871B CN2010101448407A CN201010144840A CN101814871B CN 101814871 B CN101814871 B CN 101814871B CN 2010101448407 A CN2010101448407 A CN 2010101448407A CN 201010144840 A CN201010144840 A CN 201010144840A CN 101814871 B CN101814871 B CN 101814871B
- Authority
- CN
- China
- Prior art keywords
- magnetic field
- electromagnet
- magnetic
- groups
- field generating
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
Abstract
The invention discloses a direct-current static and dynamic symmetric/asymmetric magnetic field generating device, which can generate a static symmetric/asymmetric magnetic field as well as a dynamic symmetric/asymmetric magnetic field, and comprises an electromagnet and a control unit. The control unit performs frequency-dividing chopping on the current of a direct-current power supply to control electrical parameters of two groups of coils of the electromagnet by using a DSP as a control chip, and comprises the DSP, the direct-current power supply and a chopper; and the electromagnet adoptsa sandwich type structure and comprises two cylindrical iron cores for permeating magnetism, the two groups of coils winding on the iron cores and three iron sheets for concentrating the magnetism. The direct-current static and dynamic symmetric/asymmetric magnetic field generating device can be widely used for experimental devices of translational symmetric conventional magnetic levitation, high-temperature superconducting magnetic levitation, high-temperature superconducting magnetic levitation bearings, high-temperature superconducting magnetic levitation flywheel energy storage and high-temperature superconducting magnetic levitation launch.
Description
Affiliated technical field
The invention belongs to electromagnetic field equipment, especially the high-temperature superconducting magnetic levitation experimental provision is made the field.
Background technology
Along with the fast development of modern society, traffic problems become the problem that becomes increasingly conspicuous in the social and economic activities.Be accompanied by the energy and Climatic issues in the global range, have gradually by the trend that track traffic substituted based on driven by power based on the free traffic of fossil fuel.Owing to overcome the rubbing action of traditional wheel track traffic, magnetic levitation technology for the high speed of realizing track traffic provide may, be that one of the most promising mode of transportation is come at the end.The exclusive self-stable characteristic of high-temperature superconducting magnetic levitation makes it, and magnetic suspension is more suitable in ultrahigh speed with low-temperature superconducting than often leading, further investigate related theory of this direction and practical problem and not only have crucial meaning, have broad application prospects simultaneously academicly.In high temperature superconducting magnetic suspension system, at present, the research that high-temperature superconductor is influenced with regard to external magnetic field both at home and abroad mainly concentrates on symmetrical expression and exchanges external magnetic field and translation symmetry orbital external magnetic field aspect.The electrician of the Chinese Academy of Sciences in 2004 has studied the influence of rotation external magnetic field to the high-temperature superconducting block electromagnetic property, and people such as osmanli A.O ztUrk in 2006, Belgian Ph Laurent in 2007 and Russian B M Smolyak also adopt cylindrical hot-wire coil that bulk associated electrical magnetic characteristic under the AC magnetic field effect has been done research.And adopt the research of translation symmetrical expression high-temperature superconducting magnetic levitation tracks of permanent magnetism mainly to concentrate on the following aspects to high-temperature superconducting block both at home and abroad:
1. sandwich style track structure, this structure is in order to strengthen near the magnetic field the raceway surface center, adopt the opposite permanent magnet of the direction of magnetization by the poly-magnetic of iron, the homopolarity of track both sides magnet is relative, and the magnetic line of force will repel mutually, can only extrude from the narrower iron plate in centre, the area that the magnetic line of force passes through is more little, under the certain situation of magnetic flux, magnetic flux density will be big more, so the tracks of permanent magnetism structure of sandwich style can strengthen near magnetic field, raceway surface center effectively.The present high-temperature superconducting magnetic levitation laboratory vehicle developed of superconductor technology research institute of Southwest Jiaotong University " new century edition " the tracks of permanent magnetism mode that just adopted this kind magnetic field to concentrate, German in the world solid and Materials Research Laboratories (IFW) group, Japanese industrial technology (AIST) group of research institute and Brazilian federal Rio de Janeiro university have also adopted the sandwich track structure, just the size of permanent magnet and iron plate with " new century edition " different.
2. BJ University of Aeronautics ﹠ Astronautics made up a kind of tracks of permanent magnetism structure that is used for the high-temperature superconducting magnetic levitation emission in 2006, than the sandwich style track structure, this kind track structure has increased poly-number of magnetic poles, become the track structure with double focusing magnetic pole, this helps improving the stability of suspension system.
3. the Halbach track structure of Southwest Jiaotong University's superconductor technology Research Institute, it mainly is made of five groups of NdFeB permanent magnets and iron, the direction of magnetization level of the 1st, 3,5 group of NdFeB permanent magnet wherein, the direction of magnetization of the 2nd, 4 group of NdFeB permanent magnet is vertical, and their constitute double focusing magnetic pole magnetic circuit.The both sides that iron is used in these five groups of NdFeB permanent magnets are in order to protect permanent magnet and to be easy to the track assembling.Halbach track magnetic field with sinusoidal structured not only can accumulate in most of magnetic line of force the upper surface of tracks of permanent magnetism, improves the utilance of track permanent magnetic material, and helps to improve the magnetic suspension performance of system, makes the easy for installation, easy of track simultaneously.These three kinds of tracks have improved the poly-magnetic energy power and the stability of track to a certain extent, and have optimized the structure of track, but the research in track magnetic field is all remained static down.The research of bulk performance mainly concentrates on direction of vibration when at present track magnetic field being in dynamic change, the K.Nagaya of Japan in 1997 puts into cylindrical solenoid with high-temperature superconducting block, the mode that size by the manual adjustments direct current compensates the tracks of permanent magnetism symmetric magnetic field, studied the vibration control of high-temperature superconducting block, 2008 Beijing Aero-Space university on vibrating device by tracks of permanent magnetism the has been carried out vibration research dynamic characteristics of high-temperature superconducting block, superconductor technology research institute of Southwest Jiaotong University in 2009 by tracks of permanent magnetism is carried out horizontal vibration and vertical vibration, has studied the change frequency and the amplitude of external magnetic field the high-temperature superconducting block Effect on Performance has been studied on vibrating device.But these researchs mainly concentrate in the single variation of track, and under various different variation that track magnetic field is presented in practical set to the research of high-temperature superconducting block performance, having not yet to see relevant report.
Summary of the invention
Above shortcoming in view of prior art, the objective of the invention is to adopt electromagnet simulation translation symmetrical expression high-temperature superconducting magnetic levitation tracks of permanent magnetism, by modern control of conversion technology two solenoids in the electromagnet are imported two different direct currents that change respectively and regulate the variation of external magnetic field, change with the difference of simulation permanent magnet when assembling, thereby the research track presents under the various non-uniform magnetic field situations influence to the high-temperature superconducting block suspension characteristic, for determine that the magnetic field fluctuation standard that track will reach provides corresponding foundation, is the application of high temperature superconductor magnetic levitation vehicle system engineering when assembling, the raising of magnetic suspension emissivities is offered help.
The objective of the invention is to realize by following means.
Quiet, the dynamic symmetry of a kind of direct current/dissymmetrical magnetic field generating means, realization can produce static symmetry/dissymmetrical magnetic field, also can produce dynamic symmetry/asymmetric magnetic field, comprise electromagnet and control unit two parts, wherein control unit adopts DSP as control chip the electric current of DC power supply to be carried out the control of electric parameter that frequency division copped wave realizes two groups of coils of electromagnet, comprises DSP, DC power supply and chopper; Electromagnet adopts sandwiched type structure, comprises two cylinder-shaped iron cores in order to magnetic conduction, two groups of coils on the iron core, and in order to three iron plates of poly-magnetic.
Adopt structure of the present invention, can produce static symmetry/dissymmetrical magnetic field, also can produce dynamic symmetry/dissymmetrical magnetic field, the user can write corresponding code according to the demand of oneself, download to main controller, make the required generation magnetic field of electromagnet, have and use flexibly, advantages such as application is extensive, can be used for the conventional magnetic suspension of translation symmetrical expression, high-temperature superconducting magnetic levitation, hts magnetic levitation bearing, in the Physical Experiment and research of high-temperature superconducting magnetic levitation flywheel energy storage and high-temperature superconducting magnetic levitation emission, also applicable to conventional magnetic suspension, high-temperature superconducting magnetic levitation, in the development and Application of hts magnetic levitation bearing and high-temperature superconducting magnetic levitation flywheel energy storage system and high-temperature superconducting magnetic levitation emission or model machine.
Description of drawings
Fig. 1 is the structured flowchart of control unit of the present invention.
Fig. 2 is the structure cutaway view of electromagnet of the present invention.
Fig. 3 is the another kind of operating state of Fig. 2 structure.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Structured flowchart as shown in Figure 1,1 is the 220V AC power; 2 rectification circuits; 3 chopper circuits; 4 is the DSP main control module; 5 thick films drive, and control unit carries out frequency division copped wave control to the electric current of DC power supply, and the electric current after will controlling again imports in the lead of electromagnet, thereby regulates the magnetic field of electromagnetic device.6 is the electromagnet that links to each other with controlled power supply circuits.
The structure of electromagnet such as Fig. 2, adopt sandwiched type structure, comprise two cylinder- shaped iron cores 7 and 8 in order to magnetic conduction, two groups of copper coils 9 on the iron core and 10, and constituted whole skeleton in order to last iron plate 11, center iron plate 12, time 13, two cylinder-shaped iron cores of iron plate and three iron plates of poly-magnetic.The access way of change electric current can realize the magnetic direction as Fig. 3.
Embodiment 1: electromagnet iron plate and iron core are silicon steel material, wherein iron plate is designed to 150*150*10mm, iron core is d=30mm, h is the cylinder of 70mm, each group copper coil is 1000 circles, and is evenly close around full iron plate, when 240 watts of the equal-wattages that two coiling groups is fed two different electrical power generations respectively, the generation Surface field intensity of center iron plate is 0.4 tesla, has reached the required external magnetic field symmetrically of test high-temperature superconducting block performance above the iron plate of center.
Embodiment 2: electromagnet iron plate and iron core are silicon steel material, wherein iron plate is designed to 150*150*10mm, iron core is d=30mm, h is the cylinder of 70mm, each group copper coil is 1000 circles, and is evenly close around full iron plate, when 240 watts of the equal-wattages that two coiling groups is fed two different electrical power generations respectively, the generation Surface field intensity of center iron plate is 0.4 tesla, has reached the required external magnetic field symmetrically of test high-temperature superconducting block performance above the iron plate of center.
Embodiment 3: electromagnet iron plate and iron core are silicon steel material, iron plate is designed to 150*150*10mm in the tool, iron core is d=30mm, h is the cylinder of 70mm, each group copper coil is 1000 circles, evenly close around full iron plate, produce 120 watts and 240 watts of different power when upper and lower two coiling groups being fed two different electrical power respectively, go up, the center, the generation Surface field intensity of iron plate is respectively 0.1,0.3,0.2 tesla down, has reached the required even asymmetric external magnetic field of test high-temperature superconducting block performance above the iron plate of center.
Adopt basic structure of the present invention, different concrete variations can be arranged in force, such as: two groups of coils can be by copper also other material again on the electromagnet, constitutes as the lead of aluminium, normal temperature superconductor; Equally, described magnetic conduction sheet can be ferrosilicon also can other permeability magnetic material.
Claims (4)
1. the quiet dynamic symmetry of direct current/dissymmetrical magnetic field generating means, realization can produce static symmetry/dissymmetrical magnetic field, also can produce dynamic symmetry/asymmetric magnetic field, comprise electromagnet and control unit two parts, wherein control unit adopts DSP as control chip the electric current of DC power supply to be carried out the control of the electric parameter of two groups of coils on the frequency division copped wave realization electromagnet, comprises DSP, DC power supply and chopper; Electromagnet adopts sandwiched type structure, comprise two cylinder-shaped iron cores in order to magnetic conduction, two groups of coils on the iron core, and in order to gather three magnetic conduction sheets of magnetic, described three magnetic conduction sheets be arranged in parallel and limit two spaces, and described two cylinder-shaped iron cores are jumped the queue respectively in described two spaces and be vertical with described magnetic conduction sheet.
2. according to the quiet dynamic symmetry of the described direct current of claim 1/dissymmetrical magnetic field generating means, it is characterized in that described two groups of coils are connected with two groups of DC power supply of controlled unit controls respectively.
3. according to the quiet dynamic symmetry of the described direct current of claim 1/dissymmetrical magnetic field generating means, it is characterized in that two groups of coils can be made of copper or other material lead on the described electromagnet.
4. according to the quiet dynamic symmetry of the described direct current of claim 1/dissymmetrical magnetic field generating means, it is characterized in that described magnetic conduction sheet can be ferrosilicon or other permeability magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101448407A CN101814871B (en) | 2010-04-12 | 2010-04-12 | Direct-current static and dynamic symmetric/asymmetric magnetic field generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101448407A CN101814871B (en) | 2010-04-12 | 2010-04-12 | Direct-current static and dynamic symmetric/asymmetric magnetic field generating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101814871A CN101814871A (en) | 2010-08-25 |
| CN101814871B true CN101814871B (en) | 2011-09-21 |
Family
ID=42622015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101448407A Expired - Fee Related CN101814871B (en) | 2010-04-12 | 2010-04-12 | Direct-current static and dynamic symmetric/asymmetric magnetic field generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101814871B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102253114B (en) * | 2010-12-30 | 2013-08-28 | 保定天威集团有限公司 | Magnetic flux leakage experimental facility for using mirror method |
| CN105006192B (en) * | 2015-07-13 | 2018-10-09 | 西南交通大学 | A kind of high-temperature superconducting magnetic levitation multimode apparatus for demonstrating |
| CN107578913B (en) * | 2017-10-18 | 2023-04-11 | 山西众恒磁性材料有限公司 | Orientation device for manufacturing sintered neodymium-iron-boron permanent magnet with asymmetric two-pole magnetic field strength |
| CN107554555A (en) * | 2017-10-26 | 2018-01-09 | 四川菲创能达科技有限公司 | A kind of magnetic turnout for magnetic suspension system |
| AU2020207027A1 (en) * | 2019-01-09 | 2021-09-02 | Green Wave Power Systems Llc | System and method for perturbing a permanent magnet asymmetric field to move a body |
| US11539281B2 (en) | 2019-01-09 | 2022-12-27 | Green Wave Power Systems Llc | Magnetically-coupled torque-assist apparatus |
| US11732769B2 (en) | 2019-01-09 | 2023-08-22 | Green Wave Power Systems Llc | Magnetically-coupled torque-assist apparatus |
| WO2023055911A1 (en) | 2021-09-30 | 2023-04-06 | Green Wave Power Systems Llc | System and method for generating rotation of a body to generate energy and reduce climate change |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1200792A (en) * | 1995-09-02 | 1998-12-02 | 磁悬挂系(爱尔兰)有限公司 | Magnetic suspension system |
| CN1299967A (en) * | 1999-12-16 | 2001-06-20 | 西南交通大学 | High-temperature superconductive magnetic levitation testing technology |
| CN101191748A (en) * | 2006-11-20 | 2008-06-04 | 北京航空航天大学 | High temperature superconduction magnetic levitation or electric machine quasi-static force test device |
| CN101191759A (en) * | 2006-11-20 | 2008-06-04 | 北京航空航天大学 | Ground surface high speed superconductor magnetic levitation sled test device |
-
2010
- 2010-04-12 CN CN2010101448407A patent/CN101814871B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1200792A (en) * | 1995-09-02 | 1998-12-02 | 磁悬挂系(爱尔兰)有限公司 | Magnetic suspension system |
| CN1299967A (en) * | 1999-12-16 | 2001-06-20 | 西南交通大学 | High-temperature superconductive magnetic levitation testing technology |
| CN101191748A (en) * | 2006-11-20 | 2008-06-04 | 北京航空航天大学 | High temperature superconduction magnetic levitation or electric machine quasi-static force test device |
| CN101191759A (en) * | 2006-11-20 | 2008-06-04 | 北京航空航天大学 | Ground surface high speed superconductor magnetic levitation sled test device |
Non-Patent Citations (2)
| Title |
|---|
| 杨文将等.可用于航天助推发射的高温超导磁悬浮技术.《宇航学报》.2007,第28卷(第3期),522-526，550. * |
| 荆华等.高温超导磁悬浮车用悬浮单元优化的实验研究.《稀有金属材料与工程》.2008,第37卷412-415. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101814871A (en) | 2010-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101814871B (en) | Direct-current static and dynamic symmetric/asymmetric magnetic field generating device | |
| CN204186802U (en) | A kind of Novel shaft-radial three freedom degree mixed magnetic bearing | |
| CN201378789Y (en) | High-power density generator with adjustable magnetic flux | |
| CN203289210U (en) | A mixed excitation-type stator surface mounting-type double-salient-pole motor | |
| CN108050156A (en) | A kind of sextupole hybrid magnetic bearing | |
| CN101527470A (en) | Magneticflux-switching type composite excitation transverse-magneticflux wind powered generator | |
| CN203014718U (en) | Flux-switching magnetic-suspension permanent-magnet linear synchronous motor | |
| CN107104528A (en) | A kind of high-performance Halbach type p-m rotors for flywheel energy storage system | |
| Hull et al. | Magnetomechanics of internal-dipole, Halbach-array motor/generators | |
| Zhang et al. | Performance analysis of double-sided permanent magnet linear synchronous motor with quasi-sinusoidal ring windings | |
| Wang et al. | Magnetic gear ratio effects on performances of linear primary permanent magnet vernier motor | |
| CN206790329U (en) | One kind distribution field excitation linear permanent-magnet type flux switching motor | |
| CN103501099B (en) | A kind of permanent magnetism pressure generating set | |
| CN101860173B (en) | Direct magnetic suspension permanent magnet linear synchronous motor for numerical control feeding platform | |
| CN102361379B (en) | Large-capacity double-U-type stator double-disk type rotor transverse magnetic flux permanent magnet wind-driven generator | |
| Wang et al. | Performance of an axial flux hybrid excitation motor with SMC for HEVs | |
| CN105871093A (en) | Flux-linkage-adjustable low-eddy-current-loss modular rotor permanent magnetic motor | |
| Hongfeng et al. | Permanent magnet eddy current loss analysis of the permanent magnet spherical motor | |
| Cipriani et al. | A ferrite tubular linear permanent magnet generator (FTLPMG) analysis and design | |
| Ibtissam et al. | Magnetic field analysis of Halbach permanent magnetic synchronous machine | |
| Huang et al. | Comparative study of magnetic fields due to types of planar permanent magnet array | |
| CN201121655Y (en) | Three-freedom conical stator/rotor AC/DC mixed magnetic bearing | |
| CN206077199U (en) | Compact bilateral flat board motor and the compact bilateral flat board motor of superimposed type | |
| CN204696897U (en) | A kind of trapezoidal yoke permanent magnetic vibration Blast Furnace Top Gas Recovery Turbine Unit (TRT) | |
| CN201774484U (en) | Electromagnet capable of obtaining asymmetric magnetic field |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20140412 |