CN107064835A - High-temperature superconducting magnetic levitation characteristic test device - Google Patents
High-temperature superconducting magnetic levitation characteristic test device Download PDFInfo
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- CN107064835A CN107064835A CN201710408921.5A CN201710408921A CN107064835A CN 107064835 A CN107064835 A CN 107064835A CN 201710408921 A CN201710408921 A CN 201710408921A CN 107064835 A CN107064835 A CN 107064835A
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- vertical
- seal case
- superconductor
- cantilever
- temperature superconducting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
- G01R33/1238—Measuring superconductive properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
- G01R33/1261—Measuring magnetic properties of articles or specimens of solids or fluids using levitation techniques
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
Abstract
The invention discloses a kind of high-temperature superconducting magnetic levitation characteristic test device, including pedestal；Vertical main body；Cantilever, it is capable of being arranged in vertical main body of vertical shift；Sliding platform, its be capable of horizontal cross movement be arranged on pedestal, tracks of permanent magnetism is provided with sliding platform；Low pressure device, it includes seal case and is arranged in seal case and is produced with tracks of permanent magnetism the superconductor of magnetic force；Seal case is arranged on cantilever；Vertical force sensor, it is used to detecting the power on the vertical direction that superconductor is subject to；Transverse force sensor, it is used to detecting the power in the horizontal transverse direction that superconductor is subject to.The present invention changes test parameter and environment by changing the position between superconductor and tracks of permanent magnetism, air pressure environment around superconductor, realizes the high temperature superconducting magnetic suspension system performance test under hypobaric.
Description
Technical field
Filled the present invention relates to high-temperature superconducting magnetic levitation technical field, more particularly to a kind of high-temperature superconducting magnetic levitation characteristic test
Put.
Background technology
In high-temperature superconducting magnetic levitation technical field, technical staff has been presented for realizing liquid nitrogen using the method for decompression is evacuated
The purpose of supercooling；Then circular high-temperature superconductor is placed in overfreezing liquid nitrogen (temperature is less than 77K) and magnetized, experimental result is tested
Validity of this kind of method to lifting high-temperature superconductor performance is demonstrate,proved.Then, many groups use for reference such a evacuation decompression both at home and abroad
Method build fixed nitrogen experiment porch, the field such as, band magnet magnetized to high-temperature superconductor application is studied.
At present, this technology for realizing that liquid nitrogen is subcooled by evacuating decompression is mainly used in the research of superconducting magnet,
In experimentation, the major function of experimental provision is to provide a hypobaric for high temperature superconducting materia.For vacuum pipe
For high temperature superconducting magnetic suspension system, the key point of its main study subject and system has two aspects, and one is that high temperature surpasses
Interaction force between conductor and tracks of permanent magnetism, determines carrying and the guidance capability of whole suspension system, and two be environment gas
The influence to suspension characteristic is pressed, running status and reliability of the magnetic suspension in vacuum pipe is determined.And in the prior art simultaneously
Do not design a kind of while meeting the test device of experimental situation in terms of above-mentioned two.
The content of the invention
For above-mentioned technical problem present in prior art, it is used to test high-temperature superconductor magnetcisuspension the invention provides one kind
The test device of floating characteristic.
To solve the above problems, present invention employs following technical scheme：
A kind of high-temperature superconducting magnetic levitation characteristic test device, including：
Pedestal, it is horizontally disposed with；
Vertical main body, it is vertically arranged on the pedestal；
Cantilever, it is capable of being arranged in the vertical main body of vertical shift；
Sliding platform, its be capable of horizontal cross movement be arranged on the pedestal, be provided with forever on the sliding platform
Magnetic orbital, moving direction extension of the tracks of permanent magnetism along the sliding platform；
Low pressure device, it includes seal case and is arranged in the seal case and is produced with the tracks of permanent magnetism
Pressure in the superconductor of magnetic force, the seal case is less than ambient pressure；The seal case is arranged on the cantilever, and
Can be with the cantilever vertical shift, and being capable of relatively described cantilever level transverse shifting；
Vertical force sensor, it is used to detecting the power on the vertical direction that the superconductor is subject to；
Transverse force sensor, it is used to detecting the power in the horizontal transverse direction that the superconductor is subject to.
Preferably, pressure bearing plate is provided with below the cantilever, the lower end of the pressure bearing plate is fixed with transverse direction
Slide rail, the lower end of the horizontal slide rail is provided with clamp fixing plate, and the clamp fixing plate can be relative to the horizontal slide rail
Transverse shifting, the seal case is fixed in the clamp fixing plate, wherein, the vertical force sensor is arranged on described outstanding
Between arm and the pressure bearing plate；The end of the horizontal slide rail is formed with relative with the side of the clamp fixing plate stop
Baffle plate, the transverse force sensor is arranged between the side of the baffle plate and the clamp fixing plate.
Preferably, in addition to vertical drive mechanism, the vertical drive mechanism includes vertical servomotor, the vertical master
Vertical rails are provided with body, the cantilever is installed in the vertical rails, the vertical servomotor is described for driving
Cantilever is slided vertically in the vertical rails.
Preferably, in addition to transversal driving mechanism, the transversal driving mechanism includes the transverse direction being installed on the pedestal
The leading screw of servomotor and the driving sliding platform transverse shifting.
Preferably, the low pressure device is also included in vavuum pump and vacuum meter, the vavuum pump and the seal case
Portion's connection is to extract the air in the seal case, and the vacuum meter is used to measure the vacuum in the seal case.
Preferably, the upper face of the bottom plate of the seal case offers storage tank, and the superconductor is arranged on the appearance
Put in groove, cover plate is further enclosed with above the storage tank.
Preferably, the extruded sheet of frame-shaped is additionally provided with the bottom plate, the extruded sheet surrounds with the bottom plate and holds liquid
The cavity volume of nitrogen.
Compared with prior art, the beneficial effect of high-temperature superconducting magnetic levitation characteristic test device of the invention is：The present invention
Change test parameter and ring by changing the position between superconductor and tracks of permanent magnetism, air pressure environment around superconductor
Border, makes test result closer to truth.
Brief description of the drawings
Fig. 1 is the front view of high-temperature superconducting magnetic levitation characteristic test device provided in an embodiment of the present invention；
Fig. 2 is the right view of high-temperature superconducting magnetic levitation characteristic test device provided in an embodiment of the present invention；
Fig. 3 be high-temperature superconducting magnetic levitation characteristic test device provided in an embodiment of the present invention in low pressure device structure
Schematic diagram.
In figure：
10- pedestals；11- sliding platforms；12- tracks of permanent magnetism；13- transverse direction servomotors；14- leading screws；The vertical main bodys of 20-；
21- vertical rails；30- cantilevers；31- connecting shafts；32- vertical force sensors；33- pressure bearing plates；34- horizontal slide rails；35- is horizontal
To force snesor；36- pushes against axle；37- sliding blocks；38- clamp fixing plates；The vertical servomotors of 39-；41- seal cases；42- surpasses
Conductor；43- vavuum pumps；44- vacuum meters；45- storage tanks；46- cover plates；47- extruded sheets.
Embodiment
As shown in Figure 1 to Figure 3, the preferred embodiments of the present invention are filled there is provided a kind of high-temperature superconducting magnetic levitation characteristic test
Put, the high-temperature superconducting magnetic levitation characteristic test device be used for the magnetic suspension characteristic tested between superconductor 42 and tracks of permanent magnetism 12 with
And the relation between air pressure environment residing for superconductor 42 etc..High-temperature superconducting magnetic levitation characteristic test device includes pedestal
10th, vertical main body 20, cantilever 30, sliding platform 11, low pressure device, vertical force sensor 32 and transverse force sensor 35.
Specifically, pedestal 10 is horizontally disposed with；Vertical main body 20 is vertically arranged on pedestal 10；Cantilever 30 is capable of being arranged on for vertical shift
In vertical main body 20；What horizontal cross of sliding platform 11 being capable of was moved is arranged on pedestal 10, is provided with forever on sliding platform 11
Magnetic orbital 12, moving direction extension of the tracks of permanent magnetism 12 along sliding platform 11；Low pressure device includes seal case 41 and set
The pressure being placed in seal case 41 and produced with tracks of permanent magnetism 12 in the superconductor 42 of magnetic force, seal case 41 is pressed less than extraneous
Power；Seal case 41 is arranged on cantilever 30, and can with the vertical shift of cantilever 30, and can the horizontal cross of opposing cantilevers 30 move
It is dynamic；Vertical force sensor 32, it is used to detecting the power on the vertical direction that superconductor 42 is subject to；Transverse force sensor 35, it is used
Power in the horizontal transverse direction that detection superconductor 42 is subject to.
Understood according to above-mentioned, by vertical shift cantilever 30, can adjust height of the superconductor 42 relative to tracks of permanent magnetism 12；
By transverse shifting sliding platform 11 to adjust horizontal level of the tracks of permanent magnetism 12 relative to superconductor 42；So as to set superconduction
The relative position relation of body 42 and tracks of permanent magnetism 12, accurate location parameter is provided for test.By changing in seal case 41
Air pressure change the air pressure environment around superconductor 42 so that the magnetic suspension obtained under different pressures environment is special
Property.Vertical sensor and lateral pickup are respectively used to measure the vertical force and cross force in magnetic suspension characteristic.
The present invention is by changing the position between superconductor 42 and tracks of permanent magnetism 12, the air pressure ring around superconductor 42
Border changes test parameter and environment, makes test result closer to truth.
In a preferred embodiment of the invention, as shown in figure 1, the lower section of cantilever 30 is provided with pressure bearing plate 33,
The lower end of pressure bearing plate 33 is fixed with horizontal slide rail 34, and pressure bearing plate 33 is connected by connecting shaft 31 with cantilever 30, laterally
The lower end of slide rail 34 is provided with clamp fixing plate 38 by sliding block 37, and clamp fixing plate 38 can be relative to horizontal slide rail 34 laterally
Mobile, seal case 41 is fixed in clamp fixing plate 38, wherein, vertical force sensor 32 is arranged on cantilever 30 and accepted with pressure
Between plate 33；The end of horizontal slide rail 34 is formed with the baffle plate relative with the side of clamp fixing plate 38, transverse force sensor
35 are arranged between the side of baffle plate and clamp fixing plate 38, and are connected by pushing against axle 36 with furniture fixed plate.
For that can drive the vertical shift of cantilever 30, high-temperature superconducting magnetic levitation characteristic test device also includes vertical driving machine
Structure, vertical drive mechanism includes being provided with vertical rails 21 in vertical servomotor 39, vertical main body 20, and cantilever 30 is installed in perpendicular
To on slide rail 21, vertical servomotor 39 is used to drive cantilever 30 to slide vertically in vertical rails 21.
For the horizontal cross of sliding platform 11 can be driven to move, high-temperature superconducting magnetic levitation characteristic test device is also included laterally
Drive mechanism, transversal driving mechanism includes the horizontal servomotor 13 being installed on pedestal 10 and driving sliding platform 11 laterally
Mobile screw mandrel 14.
For that can change the gas pressure in seal case 41, low pressure device also includes vavuum pump 43 and vacuum meter 44,
Vavuum pump 43 is connected with the inside of seal case 41 to extract the air in seal case 41, and vacuum meter 44 is used to measure seal case
Vacuum in 41.The value of the vacuum indicates the gaseous environment around superconductor 42.
For convenience of superconductor 42 is laid, the upper face of the bottom plate of seal case 41 offers storage tank 45, and superconductor 42 is set
Put in storage tank 45, the top of storage tank 45 is further enclosed with cover plate 46.
To hold the extruded sheet 47 that frame-shaped is additionally provided with liquid nitrogen, bottom plate, extruded sheet 47 holds liquid nitrogen with bottom plate besieged city
Cavity volume, extruded sheet 47 is bonded on bottom plate by epoxy low temperature glue.
Understood according to above-mentioned, high-temperature superconducting magnetic levitation characteristic test device of the invention is functionally additionally arranged high-temperature superconductor
Magnetic suspension suspension characteristic part of detecting, has the ability and different gas that different hypobarics are provided for the material of high-temperature superconductor 42 concurrently
The power of test of the material suspension characteristic of high-temperature superconductor 42 under the conditions of pressure.On the one hand, it can be used in experiment test high-temperature superconductor magnetcisuspension
Interaction force in floating system between the material of superconductor 42 and tracks of permanent magnetism 12, includes suspending power, the horizontal direction of vertical direction
Guiding force and power relaxation etc..Meanwhile, vertical and horizontal motion speed is adjustable, can meet the motion of different demands
State, in addition, force snesor measuring accuracy can be accurate to 0.01N.On the other hand, seal box used is adopted in low pressure device part
Assembled with transparent acrylic poly (methyl methacrylate) plate with epoxy resin board, with ornamental is strong, advantages of simple structure and simple；In addition,
Compared with existing similar technique, the seal box can not only maintain the different low pressure values in the range of 0.1-1atm, be also simultaneously
The container of refrigerant (liquid nitrogen) and the fixture of superconductor 42 are contained, a whole set of experimental provision is enormously simplify.
Above example is only the exemplary embodiment of the present invention, is not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can make respectively in the essence and protection domain of the present invention to the present invention
Modification or equivalent substitution are planted, this modification or equivalent substitution also should be regarded as being within the scope of the present invention.
Claims (7)
1. a kind of high-temperature superconducting magnetic levitation characteristic test device, it is characterised in that including：
Pedestal, it is horizontally disposed with；
Vertical main body, it is vertically arranged on the pedestal；
Cantilever, it is capable of being arranged in the vertical main body of vertical shift；
Sliding platform, its be capable of horizontal cross movement be arranged on the pedestal, permanent magnetism rail is provided with the sliding platform
Road, moving direction extension of the tracks of permanent magnetism along the sliding platform；
Low pressure device, it includes seal case and is arranged in the seal case and produces magnetic force with the tracks of permanent magnetism
Superconductor, the pressure in the seal case is less than ambient pressure；The seal case is arranged on the cantilever, and can
With the cantilever vertical shift, and being capable of relatively described cantilever level transverse shifting；
Vertical force sensor, it is used to detecting the power on the vertical direction that the superconductor is subject to；
Transverse force sensor, it is used to detecting the power in the horizontal transverse direction that the superconductor is subject to.
2. high-temperature superconducting magnetic levitation characteristic test device as claimed in claim 1, it is characterised in that set below the cantilever
Pressure bearing plate is equipped with, the lower end of the pressure bearing plate is fixed with horizontal slide rail, and the lower end of the horizontal slide rail is provided with folder
Has fixed plate, the clamp fixing plate can be relative to the horizontal slide rail transverse shifting, and the seal case is fixed on described
In clamp fixing plate, wherein, the vertical force sensor is arranged between the cantilever and the pressure bearing plate；The transverse direction
The end of slide rail is formed with the baffle plate relative with the side of the clamp fixing plate, and the transverse force sensor is arranged at described
Between the side of baffle plate and the clamp fixing plate.
3. high-temperature superconducting magnetic levitation characteristic test device as claimed in claim 1, it is characterised in that also including vertical driving machine
Structure, the vertical drive mechanism includes being provided with vertical rails in vertical servomotor, the vertical main body, the cantilever installing
In the vertical rails, the vertical servomotor is used to drive the cantilever to slide vertically in the vertical rails.
4. high-temperature superconducting magnetic levitation characteristic test device as claimed in claim 1, it is characterised in that also including laterally driven machine
Structure, the transversal driving mechanism includes the horizontal servomotor being installed on the pedestal and drives the sliding platform horizontal
Mobile leading screw.
5. high-temperature superconducting magnetic levitation characteristic test device as claimed in claim 1, it is characterised in that the low pressure device is also
Including vavuum pump and vacuum meter, the vavuum pump inside the seal case with connecting to extract the sky in the seal case
Gas, the vacuum meter is used to measure the vacuum in the seal case.
6. high-temperature superconducting magnetic levitation characteristic test device as claimed in claim 5, it is characterised in that the bottom of the seal case
The upper face of plate offers storage tank, and the superconductor is arranged in the storage tank, and lid is further enclosed with above the storage tank
Plate.
7. high-temperature superconducting magnetic levitation characteristic test device as claimed in claim 6, it is characterised in that also set up on the bottom plate
There is the extruded sheet of frame-shaped, the extruded sheet surrounds the cavity volume for holding liquid nitrogen with the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408921.5A CN107064835A (en) | 2017-06-02 | 2017-06-02 | High-temperature superconducting magnetic levitation characteristic test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408921.5A CN107064835A (en) | 2017-06-02 | 2017-06-02 | High-temperature superconducting magnetic levitation characteristic test device |
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| Publication Number | Publication Date |
|---|---|
| CN107064835A true CN107064835A (en) | 2017-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710408921.5A Pending CN107064835A (en) | 2017-06-02 | 2017-06-02 | High-temperature superconducting magnetic levitation characteristic test device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238710A (en) * | 2018-11-05 | 2019-01-18 | 中国科学院理化技术研究所 | A kind of superconducting bearing load-carrying properties test macro and test method |
| CN111999079A (en) * | 2020-07-27 | 2020-11-27 | 西南交通大学 | Magnetic suspension high-speed operation simulation test device |
| 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 |
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| JP2015228936A (en) * | 2014-06-04 | 2015-12-21 | 佐保 ミドリ | Magnetic characteristics warning device |
| CN106646292A (en) * | 2017-02-22 | 2017-05-10 | 西南交通大学 | Testing device for suspension and guide characteristics of high-temperature superconducting bulk material under high temperature condition |
| CN206740949U (en) * | 2017-06-02 | 2017-12-12 | 西南交通大学 | High-temperature superconducting magnetic levitation characteristic test device |
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2017
- 2017-06-02 CN CN201710408921.5A patent/CN107064835A/en active Pending
Patent Citations (6)
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| CN2658732Y (en) * | 2003-11-21 | 2004-11-24 | 北京有色金属研究总院 | Super conductive material magnetic floating buoyancy measuring device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109238710A (en) * | 2018-11-05 | 2019-01-18 | 中国科学院理化技术研究所 | A kind of superconducting bearing load-carrying properties test macro and test method |
| CN109238710B (en) * | 2018-11-05 | 2023-11-14 | 中国科学院理化技术研究所 | System and method for testing bearing performance of superconducting bearing |
| CN111999079A (en) * | 2020-07-27 | 2020-11-27 | 西南交通大学 | Magnetic suspension high-speed operation simulation test device |
| CN111999079B (en) * | 2020-07-27 | 2021-11-26 | 西南交通大学 | Magnetic suspension high-speed operation simulation test device |
| 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 |
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