CN108344913A - A kind of current-carrying capability test device of high-temperature superconductor band under different magnetic field direction - Google Patents
A kind of current-carrying capability test device of high-temperature superconductor band under different magnetic field direction Download PDFInfo
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- CN108344913A CN108344913A CN201810217808.3A CN201810217808A CN108344913A CN 108344913 A CN108344913 A CN 108344913A CN 201810217808 A CN201810217808 A CN 201810217808A CN 108344913 A CN108344913 A CN 108344913A
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- 239000002887 superconductor Substances 0.000 title claims abstract description 30
- 238000012360 testing method Methods 0.000 title claims abstract description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000009987 spinning Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
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Abstract
A kind of current-carrying capability test device of high-temperature superconductor band under different magnetic field direction includes specimen mount, and specimen mount is mounted on cryocooler cold head, and the low temperature environment of superconduction is provided for sample；The axis of specimen mount is equipped with worm gear, and sample is fixed in specimen mount；It is equipped with power cathode and positive pole at specimen mount both ends；The upper end of worm screw is fixed on bearing block, and lower end is fixed on pedestal；Handwheel and numerical value position indicator are fixed on the bottom end of worm screw；Specimen mount is mounted on cryocooler cold head, and the low temperature environment of superconduction is provided for sample；Specimen mount can be with worm gear rotational angle, so that the angle between sample and magnetic direction deflects；Power cathode and positive pole are mounted on specimen mount both ends, for compressing tested high-temperature superconductor sample and being powered to sample；Sample and magnetic field are vertical under original state, and the position parallel with magnetic field can be rotated to the spinning sample of handwheel；Have the characteristics that measure convenient, practical.
Description
Technical field
The invention belongs to high temperature superconducting materia technical field of performance test, more particularly to a kind of high-temperature superconductor band is in difference
Current-carrying capability test device under magnetic direction.
Background technology
With the continuous improvement of Refrigeration Technique and high-temperature superconductor band technology of preparing, high temperature superconducting materia application at present is
As the Main way of superconductor technology development, have a extensive future.Due to high-temperature superconductor conductor lattice structure anisotropic character,
The current-carrying capability performance of high-temperature superconductor band is influenced very big by different magnetic field direction.Exist to study test high-temperature superconductor band
Current-carrying capability under different magnetic field direction, a kind of conventional method are that high-temperature superconductor sample position is motionless, and magnetic field relatively rotates.This
The purpose of invention is to design one kind in the operating condition, and magnetic direction is fixed, the test dress of the direction change of high-temperature superconductor band
It sets, to realize the test of high-temperature superconductor band current-carrying capability under different magnetic field direction.
Invention content
To overcome above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of high-temperature superconductor bands in different magnetic field
Current-carrying capability test device under direction carries for high-temperature superconducting magnet or high-temperature superconductive transformer, the design of current limiter and manufacture
For reliable experiment parameter foundation；Have the characteristics that measure convenient, practical.
To achieve the goals above, the technical solution adopted by the present invention is：A kind of high-temperature superconductor band is in different magnetic field side
Downward current-carrying capability test device, includes specimen mount, and specimen mount is mounted on cryocooler cold head, is provided for sample super
The low temperature environment led；The axis of specimen mount is equipped with worm gear, and sample is fixed in specimen mount；It is equipped with electricity at specimen mount both ends
Source cathode and positive pole；The upper end of worm screw is fixed on bearing block, and bearing block is mounted on cryocooler cold head, and lower end is fixed on
On pedestal；Handwheel and numerical value position indicator are fixed on the bottom end of worm screw.
The worm gear and worm-gear drive ratio is 36：1, numerical value position indicator for displaying scale is 100；Position indicator
One scale of bounce, sample deflect 0.1 degree, can accurately measure the load of the high-temperature superconductor band sample under different magnetic field angle
Stream ability.
The worm screw material is carbon fibre material；Transmission system and extraneous heat transfer are effectively reduced, sample bottom is reduced
Seat leakage heat, ensures the stability of cryogenic system.
The beneficial effects of the invention are as follows：
1）The test of high-temperature superconductor band current-carrying capability under different magnetic field direction may be implemented.
2）By designing turbine and worm transmission ratio, ensure that measurement accuracy is 0.01 degree.
The present invention solves a kind of current-carrying capability test device of high-temperature superconductor band under different magnetic field direction.Principle letter
It is single, practical, the anisotropic of high-temperature superconductor band critical current under different magnetic directions can be measured, to surpass for high temperature
Magnetizer or high-temperature superconductive transformer, the design of current limiter and manufacture provide reliable experiment parameter foundation.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is the rearview of Fig. 1.
Fig. 3 is the principle schematic of magnetic direction variation of the present invention, Fig. 3（a）It is magnetic direction and the vertical position of strip surface
Set signal, Fig. 3（b）It is magnetic direction and illustrates with strip surface parallel position.
In figure, 1. worm screws, 2. samples, 3. positive poles, 4. cryocooler cold heads, 5. conducting wires, 6. power cathodes, 7. numerical value
Position indicator, 8. handwheels, 9. pedestals, 10. bearing blocks, 11. bearings, 12. specimen mounts, 13. worm gears.
Specific implementation mode
Invention is further described in detail in the following with reference to the drawings and specific embodiments.
Referring to Fig. 1,2, a kind of current-carrying capability test device of high-temperature superconductor band under different magnetic field direction, feature exists
In including specimen mount 12, specimen mount 12 is mounted on cryocooler cold head 4, and the low temperature environment of superconduction is provided for sample 2；
The axis of specimen mount 12 is equipped with worm gear 13, and sample 2 is fixed in specimen mount；It is equipped with power cathode 6 at specimen mount both ends
With positive pole 3；The upper end of worm screw 1 is fixed on bearing block 10, and bearing block 10 is mounted on cryocooler cold head 4, and lower end is fixed
On pedestal 9；Handwheel 8 and numerical value position indicator 7 are fixed on the bottom end of worm screw.
The sample is high-temperature superconductor band sample.
The worm gear and worm-gear drive ratio is 36：1, numerical value position indicator for displaying scale is 100；Position indicator
One scale of bounce, sample deflect 0.1 degree, can accurately measure the load of the high-temperature superconductor band sample under different magnetic field angle
Stream ability.
1 material of worm screw is carbon fibre material；Transmission system and extraneous heat transfer are effectively reduced, sample bottom is reduced
Seat leakage heat, ensures the stability of cryogenic system.
Whole device is mounted in a set of cryogenic system, and the shaft shoulder of 12 both sides of specimen mount is mounted on refrigeration by bearing 11
On machine cold head 4, worm gear 13 is fixed on 12 axis of specimen mount and can be rotated with specimen mount.Power cathode 6 and positive pole 3
Mounted on 12 both ends of specimen mount, for compressing tested high-temperature superconductor sample 2 and being powered to sample, the conducting wire 5 that is flexible coupling be for
To the conducting wire that is flexible coupling of positive and negative electrode power supply, conducting wire and cryocooler cold head insulation, electrode and specimen mount insulate.
Worm bearing seat 10 is also mounted on cryocooler cold head 4, and 1 one end of worm screw is fixed on bearing block 10, the other end is solid
It is scheduled on pedestal 9, worm gear 13 and worm screw 1 engage, and handwheel 8 is fixed on the bottom end of worm screw, and turbine and worm is realized by rotating handwheel 8
Transmission, to drive be mounted on specimen mount 12 on sample 2 rotate.In addition, being equipped with numerical value position instruction on 1 axis of worm screw
Device 7, for calculating the direction of sample rotation, so as to measure the high-temperature superconductor band current-carrying energy under different magnetic field angle
Power.As shown in Fig. 2, sample and magnetic field are vertical under original state, are put down with magnetic field as the spinning sample of handwheel can be rotated to
Capable position.
The specimen mount 12, worm bearing seat 10 are initially mounted on cryocooler cold head 4.
The power cathode 6 and positive pole 3 is mounted on 12 both ends of specimen mount.
The high-temperature superconductor sample 2 is pressed on 12 both ends of specimen mount by power cathode 6 and positive pole 3.
The worm gear 13 is fixed on 12 axis of specimen mount.
Described 1 one end of worm screw is fixed on bearing block 10, the other end is fixed on pedestal 9.
The handwheel 8, numerical value position indicator 7 are fixed on the bottom end of worm screw 1.
Specimen mount is mounted on cryocooler cold head, and the low temperature environment of superconduction is provided for sample.
Specimen mount can be with worm gear rotational angle, to realize the deflection in sample direction.Power cathode and positive pole peace
Mounted in specimen mount both ends, for compressing tested high-temperature superconductor sample and being powered to sample.Worm screw one end is fixed on bearing block,
The other end is fixed on pedestal, worm gear and worm screw engagement, transmission ratio 36：1, worm screw revolves the worm gear that turns around and rotates 10 degree.Handwheel
It is fixed on the bottom end of worm screw, the transmission of turbine and worm is realized by rotating handwheel, to drive the examination being mounted in specimen mount
Sample rotates.In addition, be equipped with numerical value position indicator on worm shaft, range is 100 scales, therefore position indicator often beats one
A scale, 0.01 circle of worm screw rotation, sample corresponds to 0.1 degree of deflection, so as to accurately measure the height under different magnetic field angle
The current-carrying capability of temperature superconductive band.As shown in Fig. 3, sample and magnetic field are vertical under original state, with the rotation of handwheel, sample
The position parallel with magnetic field can be rotated to.
Claims (3)
1. a kind of current-carrying capability test device of high-temperature superconductor band under different magnetic field direction, which is characterized in that include examination
Sample pedestal（12）, specimen mount（12）On cryocooler cold head (4)；Specimen mount（12）Axis be equipped with worm gear（13）,
Sample（2）It is fixed in specimen mount；It is equipped with power cathode (6) and positive pole (3) at specimen mount both ends；Worm screw (1)
Upper end is fixed on bearing block (10), and bearing block (10) is mounted on cryocooler cold head (4), and lower end is fixed on pedestal (9)；Hand
Wheel (8) and numerical value position indicator (7) are fixed on the bottom end of worm screw.
2. a kind of current-carrying capability test device of the high-temperature superconductor band according to claim 1 under different magnetic field direction,
It is characterized in that, the worm gear and worm-gear drive ratio are 36：1, numerical value position indicator for displaying scale is 100；Position refers to
Show that device one scale of bounce, sample deflect 0.1 degree, can accurately measure the high-temperature superconductor band sample under different magnetic field angle
Current-carrying capability.
3. a kind of current-carrying capability test device of the high-temperature superconductor band according to claim 1 under different magnetic field direction,
It is characterized in that, described worm screw (1) material is carbon fibre material；Transmission system and extraneous heat transfer are effectively reduced, is reduced
Specimen mount leakage heat, ensures the stability of cryogenic system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810217808.3A CN108344913A (en) | 2018-03-16 | 2018-03-16 | A kind of current-carrying capability test device of high-temperature superconductor band under different magnetic field direction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810217808.3A CN108344913A (en) | 2018-03-16 | 2018-03-16 | A kind of current-carrying capability test device of high-temperature superconductor band under different magnetic field direction |
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| CN108344913A true CN108344913A (en) | 2018-07-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143127A (en) * | 2018-09-29 | 2019-01-04 | 北京交通大学 | Superconducting tape magnetic signature measuring device |
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