CN1299967A - High-temperature superconductive magnetic levitation testing technology - Google Patents

High-temperature superconductive magnetic levitation testing technology Download PDF

Info

Publication number
CN1299967A
CN1299967A CN 99117455 CN99117455A CN1299967A CN 1299967 A CN1299967 A CN 1299967A CN 99117455 CN99117455 CN 99117455 CN 99117455 A CN99117455 A CN 99117455A CN 1299967 A CN1299967 A CN 1299967A
Authority
CN
China
Prior art keywords
liquid nitrogen
permanent magnet
box support
nitrogen vessel
temperature
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.)
Granted
Application number
CN 99117455
Other languages
Chinese (zh)
Other versions
CN1141560C (en
Inventor
王家素
王素玉
林国彬
黄海于
张翠芳
曾佑文
唐启雪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southwest Jiaotong University
Xian Jiaotong University
Original Assignee
Southwest Jiaotong University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Southwest Jiaotong University filed Critical Southwest Jiaotong University
Priority to CNB991174550A priority Critical patent/CN1141560C/en
Publication of CN1299967A publication Critical patent/CN1299967A/en
Application granted granted Critical
Publication of CN1141560C publication Critical patent/CN1141560C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

The present invention provides a high-temp. superconducting magnetic suspension test technology, belonging to the field of superconducting electric technology. It is characterized by that the liquid nitrogen low-temp. container is positioned over the permanent magnet track magnetic field, said liquid nitrogen low-temp. container is a flat-bottom liquid nitrogen low-temp. container whose bottom thickness is 3.5 mm, and can ensure that between high-temp. supercoducting block material and magnetic track surface there is 4.0 mm distance to make measurement, and can measure total magnetic suspension force of 70 blocks, of high-temp. superconducting blocks. The magnetic induction strength of concentrated permanent magnet track can be up to 1.2T. It is mainly used for experimental research of high-temp. superconducting magnetic suspension.

Description

High-temperature superconductive magnetic levitation testing technology
The present invention relates to the superconduction electrical technology field.
The research of high-temperature superconducting maglev train also is in the starting state, and the research of carrying out mostly is about the research of high-temperature superconductor bulk itself and for improving the research of the magnetic suspension force that material property carries out single bulk.For the applied research on high-temperature superconducting maglev train, because the restriction of experimental study means also has a lot of problems not study.So far also there is not a kind of measuring technology that can simulate high temperature superconductor magnetic levitation vehicle.Existing high-temperature superconductive magnetic levitation testing technology of past be the high-temperature superconductor bulk below, permanent magnet is in the above.Such layout is in order to use a simple and easy liquid nitrogen container (generally being non-Dewar type container) to deposit liquid nitrogen, to finish monolithic high-temperature superconductor block magnetic suspension force measurement.This layout be not suitable for the high-temperature superconductor bulk last and permanent magnet railway under the high temperature superconductor magnetic levitation vehicle practical situations, its test result can not satisfy the needs of high temperature superconductor magnetic levitation vehicle research and development.The bottom of existing liquid nitrogen vessel of past (Dewar type container) is thicker, can not satisfy the needs of the close-in measurement between high-temperature superconductor bulk and the track magnetic field, also just can not satisfy the requirement of high-temperature superconductor bulk experimental study above permanent magnet railway.The high-temperature superconducting magnetic levitation test macro in past is a monolithic high-temperature superconductor block magnetic suspension force measurement, and magnetic suspension force that can only the measuring vertical direction.The magnetic field of the high-temperature superconducting magnetic levitation test macro in past is to be provided by common NdFeB, and magnetic induction density is generally less than 0.5T, can not simulate the measurement of high temperature superconductor magnetic levitation vehicle suspension property on the magnetic orbital.Past high-temperature superconductive magnetic levitation testing technology automatic measurement degree is low.
The purpose of this invention is to provide a kind of high-temperature superconductive magnetic levitation testing technology, it can carry out quick real-time automatic measuring monolithic or polylith high-temperature superconductor block magnetic suspension performance effectively.
Purpose of the present invention can be realized by following technical proposal:
The magnetic levitation performance of measuring monolithic or polylith high-temperature superconductor bulk fast in real time realizes with the general NC technology.For realizing the test request of system, utilize two Shaft and NC Machining Test gearshifts, sensing technology, industrial computer data acquisition and processing (DAP) system, industrial computer is controlled automatically and system software is formed.Two Shaft and NC Machining Test gearshifts have a box support and are installed in guide rail and ball screw assembly, on the box support, drive and provide power by stepper motor or servomotor.Vertical direction and horizontal direction top offset amount are provided synchronously by stepper motor and servomotor.Two force sensor measuring mechanical quantities, temperature and magnetic field are measured by temperature sensor and hall generator respectively.Data acquisition and processing (DAP), motor are controlled automatically by industrial computer and system software support thereof.Realize all automatic measurement and control by industrial computer (data collecting card and motor control card, multifunction card) and system software to system.Adopt graphic user interface, the user can directly operate on computers.
In order to realize liquid nitrogen vessel above permanent magnet railway, the present invention adopts the liquid nitrogen vessel of the thin end (Dewar type container) that can place the high-temperature superconductor bulk, has solved the high-temperature superconductor bulk is placed problem on the permanent magnet.Its test result can be directly used in the high temperature superconductor magnetic levitation vehicle research and development.The present invention adopts special liquid nitrogen vessel of the thin end, realizes close-in measurement between high-temperature superconductor bulk and the track magnetic field with this, and guarantees the needs that test result more gears to actual circumstances and uses.The bottom of existing general liquid nitrogen vessel (Dewar type container) is all thicker, and mostly is circular base, can not satisfy the needs of the close-in measurement between high-temperature superconductor bulk and the track magnetic field.The present invention adopts the only flat liquid nitrogen vessel of 3.5mm base thickness, guarantees the 4.0mm close-in measurement between high-temperature superconductor bulk and the magnetic orbital face, and the measurement result of the spacing of this 4.0mm can satisfy the needs of high temperature superconductor magnetic levitation vehicle research and development fully.The present invention adopts the flat liquid nitrogen vessel of large scale, the overall magnetic suspension force of 70 high-temperature superconductor bulks of energy measurement.The concentration-type magnetic orbital that employing of the present invention and high-temperature superconducting maglev train practical application are similar, magnetic induction density reaches 1.2T, and its measurement result can effectively guarantee the actual needs of high-temperature superconducting maglev train research and development.
Liquid nitrogen vessel is suspended on the cantilever of box support, permanent magnet railway is fixed on the base of box support, tested high-temperature superconductor is fixed in the liquid nitrogen vessel, one surface and liquid nitrogen vessel bottom interior wall are close to, make the bottom surface of liquid nitrogen vessel and the upper surface keeping parallelism of permanent magnet railway, and both center line projections keep overlapping.Liquid nitrogen vessel is suspended on the cantilever of box support by fastening frame and vertical force sensor.Two horizontal guide rails are arranged on the base of box support, and permanent magnet railway is fixed on the base of box support by these two horizontal guide rails, is fixed between locating support on the base of box support and the permanent magnet railway to be connected by the horizontal force sensor.
The present invention compared with prior art has following effect and advantage:
Adopted the liquid nitrogen vessel of the thin end (Dewar type container) that to place the high-temperature superconductor bulk, solved the high-temperature superconductor bulk is placed problem on the permanent magnet.Its test result can be directly used in the high temperature superconductor magnetic levitation vehicle research and development.This liquid nitrogen vessel bottom thickness is 3.5mm, guarantees the 4.0mm close-in measurement between high-temperature superconductor bulk and the magnetic orbital face, and the measurement result of the spacing of this 4.0mm can satisfy the needs of high temperature superconductor magnetic levitation vehicle research and development fully.Magnetic suspension force that can the measuring vertical direction, the energy measurement horizontal direction plays the guiding force of stabilization again, again the overall magnetic suspension force and the guiding force of energy measurement polylith (for example 70) high-temperature superconductor bulk.Adopt and the similar concentration-type magnetic orbital of high-temperature superconducting maglev train practical application, magnetic induction density reaches 1.2T.
Description of drawings of the present invention is as follows:
Fig. 1 is a test principle front elevation of the present invention
Fig. 2 is a test principle right view of the present invention
Embodiments of the invention are as follows:
Box support 6 is vertical mutually with the base 5 that is horizontal, and cantilever 7 is parallel with base 5.Thin end liquid nitrogen vessel 2 diapire 3.5mm are thick, rectangle.Liquid nitrogen vessel 2 is directly over permanent magnet railway 4 at the thin end.The fixing tested high-temperature superconductor bulk 3 in bottom in the liquid nitrogen vessel of the thin end 2 can be placed 1～70 of high-temperature superconductor bulk.The surface of high-temperature superconductor bulk 3 is close on the inside surface that approaches end liquid nitrogen vessel 2 diapires and compresses.Fixed permanent magnet track 4 on the base 5.The magnetic field of permanent magnet railway 4 is concentrated by rare earth permanent magnets magnetic field and reaches 1.2T magnetic induction density.The vertical consistency of the vertical and permanent magnet railway 4 of liquid nitrogen vessel of the thin end 2.With fastening frame 1 liquid nitrogen vessel of the thin end 2 that the inside is placed with tested high-temperature superconductor bulk 3 is clamped, keep the bottom surface of liquid nitrogen vessel of the thin end 2 parallel with the upper surface of permanent magnet railway 4, the center line of the center line of permanent magnet railway 4 and liquid nitrogen vessel of the thin end 2 is consistent.Fastening frame 1 is connected with cantilever 7 by vertical force sensor 8.Cantilever 7, vertical force sensor 8, fastening frame 1 and liquid nitrogen vessel of the thin end 2 form a whole, and this integral body is parallel with the upper surface of permanent magnet railway 4 in the bottom surface that still keeps liquid nitrogen vessel of the thin end 2 when box support 6 moves up and down.Measure the numerical value of power when box support 6 moves up and down by vertical force sensor 8 at liquid nitrogen vessel 2 of the thin end, determine variation distance between high-temperature superconductor bulk lower surface and permanent magnet railway 4 upper surfaces by the displacement that moves up and down.Draw the size of vertical force and the relation curve of high-temperature superconductor bulk levitation gap thus.Because the bottom wall thickness of liquid nitrogen vessel of the thin end 2 is 3.5mm, so energy measurement goes out to approach the magnetic suspension force of end liquid nitrogen vessel 2 on permanent magnet railway 4.
Be fixed between locating support 10 on the base 5 and the permanent magnet railway 4 and connect with horizontal force transducer 9, permanent magnet railway 4 with respect to liquid nitrogen vessel of the thin end 2 when horizontal force sensor 9 directions move horizontally, measure the numerical value of power by horizontal force sensor 9, determine that by the displacement that moves horizontally the inside is placed with the liquid nitrogen vessel 2 of the thin end of tested high-temperature superconductor bulk 3 and the variation distance between the permanent magnet railway 4.Draw the size of horizontal force and the relation curve of horizontal displacement thus, this is the sign of high-temperature superconductor bulk 3 guiding force on permanent magnet railway 4.

Claims (3)

1. high-temperature superconductive magnetic levitation testing technology, mainly utilize two Shaft and NC Machining Test gearshifts, sensing technology, the data acquisition and processing (DAP) system, industrial computer is control and system software composition thereof automatically, two Shaft and NC Machining Test gearshifts are box supports (6) and are installed in guide rail and ball screw assembly, on the box support (6), driving provides power by stepper motor or servomotor, two force transducers (8) and sensor (9) are measured mechanical quantity, temperature and magnetic field are measured by temperature sensor and hall generator respectively, data acquisition and processing (DAP), motor is controlled automatically by industrial computer and system software support thereof, it is characterized in that liquid nitrogen vessel (2) is suspended on the cantilever (7) of box support (6), permanent magnet railway (4) is fixed on the base (5) of box support (6), tested high-temperature superconductor is fixed on liquid nitrogen vessel (2) inside, the bottom interior wall of one surface and liquid nitrogen vessel (2) is close to, make the bottom surface of liquid nitrogen vessel (2) and the upper surface keeping parallelism of permanent magnet railway (4), and both center line projections keep overlapping.
2. high-temperature superconductive magnetic levitation testing technology according to claim 1 is characterized in that bottom thickness is that the liquid nitrogen vessel (2) of 3.5mm is suspended on the cantilever (7) of box support (6) by fastening frame (1) and vertical force sensor (8).
3. high-temperature superconductive magnetic levitation testing technology according to claim 1, it is characterized in that on the base (5) of box support (6) two horizontal guide rails being arranged, permanent magnet railway (4) is fixed on the base (5) of box support (6) by these two horizontal guide rails, is fixed between locating support (10) on the base (5) of box support (6) and the permanent magnet railway (4) to be connected by horizontal force sensor (9).
CNB991174550A 1999-12-16 1999-12-16 High-temperature superconductive magnetic levitation testing technology Expired - Fee Related CN1141560C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB991174550A CN1141560C (en) 1999-12-16 1999-12-16 High-temperature superconductive magnetic levitation testing technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB991174550A CN1141560C (en) 1999-12-16 1999-12-16 High-temperature superconductive magnetic levitation testing technology

Publications (2)

Publication Number Publication Date
CN1299967A true CN1299967A (en) 2001-06-20
CN1141560C CN1141560C (en) 2004-03-10

Family

ID=5280079

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB991174550A Expired - Fee Related CN1141560C (en) 1999-12-16 1999-12-16 High-temperature superconductive magnetic levitation testing technology

Country Status (1)

Country Link
CN (1) CN1141560C (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100445713C (en) * 2006-11-20 2008-12-24 西南交通大学 Testing apparatus for high temperature, superconducting, magnetic suspension and dynamic performance and testing method with the same
CN101814871A (en) * 2010-04-12 2010-08-25 西南交通大学 Direct-current static and dynamic symmetric/asymmetric magnetic field generating device
CN102854478A (en) * 2012-09-03 2013-01-02 西南交通大学 Device for testing magnetic suspension characteristic of single high-temperature superconductor
CN103499425A (en) * 2013-10-08 2014-01-08 周军 High-temperature superconductive maglev transverse dynamic test observation and analysis system
CN103900739A (en) * 2012-12-28 2014-07-02 北京有色金属研究总院 Device and method for measuring large-grain block high-temperature superconductor and combination magnetic buoyancy of large-grain block high-temperature superconductor
CN104886924A (en) * 2015-06-12 2015-09-09 洛阳理工学院 Passive high-temperature superconducting magnetic levitation rotating dining-table
CN105150875A (en) * 2015-09-28 2015-12-16 西南交通大学 High-temperature superconducting maglev vehicle high in curve negotiation performance
CN105300567A (en) * 2015-09-23 2016-02-03 西南交通大学 High-gradient high-intensity magnetic field magnetic suspension characteristic test technology
CN107525736A (en) * 2016-09-18 2017-12-29 浙江大学 A kind of single-block annular magnet magnetic suspension detection method for detection density
CN109682951A (en) * 2019-02-20 2019-04-26 中国水利水电科学研究院 A kind of magnetic suspension centrifuge
CN109987116A (en) * 2019-04-13 2019-07-09 西南交通大学 A kind of high-temperature superconducting magnetic levitation track checking car
CN110044260A (en) * 2019-04-13 2019-07-23 西南交通大学 A kind of tracks of permanent magnetism irregularity detection device
CN110658483A (en) * 2019-11-05 2020-01-07 西南交通大学 Device and method for testing interaction force of high-temperature superconductor and permanent magnet
CN113109747A (en) * 2021-06-15 2021-07-13 西南交通大学 Superconducting magnetic suspension micro-suspension force rapid testing device and testing method
CN114013695A (en) * 2021-12-07 2022-02-08 北京航空航天大学 Inferior mN level superconductive plane suspension type vacuum attitude and orbit control test system

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100445713C (en) * 2006-11-20 2008-12-24 西南交通大学 Testing apparatus for high temperature, superconducting, magnetic suspension and dynamic performance and testing method with the same
CN101814871A (en) * 2010-04-12 2010-08-25 西南交通大学 Direct-current static and dynamic symmetric/asymmetric magnetic field generating device
CN101814871B (en) * 2010-04-12 2011-09-21 西南交通大学 Direct-current static and dynamic symmetric/asymmetric magnetic field generating device
CN102854478A (en) * 2012-09-03 2013-01-02 西南交通大学 Device for testing magnetic suspension characteristic of single high-temperature superconductor
CN102854478B (en) * 2012-09-03 2015-05-20 西南交通大学 Device for testing magnetic suspension characteristic of single high-temperature superconductor
CN103900739A (en) * 2012-12-28 2014-07-02 北京有色金属研究总院 Device and method for measuring large-grain block high-temperature superconductor and combination magnetic buoyancy of large-grain block high-temperature superconductor
CN103499425A (en) * 2013-10-08 2014-01-08 周军 High-temperature superconductive maglev transverse dynamic test observation and analysis system
CN104886924A (en) * 2015-06-12 2015-09-09 洛阳理工学院 Passive high-temperature superconducting magnetic levitation rotating dining-table
CN105300567A (en) * 2015-09-23 2016-02-03 西南交通大学 High-gradient high-intensity magnetic field magnetic suspension characteristic test technology
CN105150875B (en) * 2015-09-28 2017-10-24 西南交通大学 A kind of strong high Temperature Superconducting MAGLEV of curve negotiation ability
CN105150875A (en) * 2015-09-28 2015-12-16 西南交通大学 High-temperature superconducting maglev vehicle high in curve negotiation performance
CN107525736A (en) * 2016-09-18 2017-12-29 浙江大学 A kind of single-block annular magnet magnetic suspension detection method for detection density
CN109682951A (en) * 2019-02-20 2019-04-26 中国水利水电科学研究院 A kind of magnetic suspension centrifuge
CN109682951B (en) * 2019-02-20 2023-09-19 中国水利水电科学研究院 Magnetic suspension centrifuge
CN109987116A (en) * 2019-04-13 2019-07-09 西南交通大学 A kind of high-temperature superconducting magnetic levitation track checking car
CN110044260A (en) * 2019-04-13 2019-07-23 西南交通大学 A kind of tracks of permanent magnetism irregularity detection device
CN109987116B (en) * 2019-04-13 2024-04-02 西南交通大学 High-temperature superconductive magnetic levitation track inspection vehicle
CN110044260B (en) * 2019-04-13 2024-04-02 西南交通大学 Permanent magnet track irregularity detection equipment
CN110658483A (en) * 2019-11-05 2020-01-07 西南交通大学 Device and method for testing interaction force of high-temperature superconductor and permanent magnet
CN113109747A (en) * 2021-06-15 2021-07-13 西南交通大学 Superconducting magnetic suspension micro-suspension force rapid testing device and testing method
CN114013695A (en) * 2021-12-07 2022-02-08 北京航空航天大学 Inferior mN level superconductive plane suspension type vacuum attitude and orbit control test system
CN114013695B (en) * 2021-12-07 2024-05-24 北京航空航天大学 Sub-mN-level superconducting plane suspension type vacuum attitude and orbit control test system

Also Published As

Publication number Publication date
CN1141560C (en) 2004-03-10

Similar Documents

Publication Publication Date Title
CN1141560C (en) High-temperature superconductive magnetic levitation testing technology
CN101191748B (en) High temperature superconduction magnetic levitation or electric machine quasi-static force test device
Wang et al. An update high-temperature superconducting maglev measurement system
CN207456570U (en) A kind of vertical magnetostriction liquidometer testing calibration device
CN100495063C (en) Testing device of magnetic suspension of high-temperature superconductor, and testing method for using the device
CN100360952C (en) Testing device for magnetic field and magnetic force in three-dimensional space
CN102854478B (en) Device for testing magnetic suspension characteristic of single high-temperature superconductor
CN101571575B (en) Test device for capture magnetic field of high-temperature superconducting block and test method thereof
CN1275027C (en) Measuring device of block high temperature superconductor magnetic suspension floating force and its testing method
Wang et al. The man-loading high-temperature superconducting Maglev test vehicle
CN202533569U (en) A trapped field measuring device of a block-shaped high-temperature superconductor
CN201965247U (en) Low-frequency vibration generator with magnetic suspension structure
CN103499425A (en) High-temperature superconductive maglev transverse dynamic test observation and analysis system
CN110221231A (en) The characteristic test device of magnetic suspension force
CN109510430A (en) A kind of Precision Linear Moving platform
CN203551246U (en) High temperature superconductive magnetic suspension transverse dynamic test observation analysis system
CN2151913Y (en) Geometry parameter measuring device for electric railway contact net
CN105572608A (en) Hall measuring apparatus for magnetizer
CN213333253U (en) Clamping structure for arranging wind sensor
CN2658732Y (en) Super conductive material magnetic floating buoyancy measuring device
CN202599408U (en) Piston gradient measuring apparatus
CN205317921U (en) High temperature superconducting coil magnetic suspension characteristic test equipment under variable high field
CN2269593Y (en) D shape magnetic liquid suspension accelerometer
CN204791716U (en) High -temperature superconductor experiment tester
Boegler et al. Standardized measurements of interaction forces in autostable superconducting magnetic bearings

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee