CN206920584U - A kind of superconducting wire critical current test device under hybrid stress - Google Patents
A kind of superconducting wire critical current test device under hybrid stress Download PDFInfo
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- CN206920584U CN206920584U CN201720593325.4U CN201720593325U CN206920584U CN 206920584 U CN206920584 U CN 206920584U CN 201720593325 U CN201720593325 U CN 201720593325U CN 206920584 U CN206920584 U CN 206920584U
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- superconducting wire
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- dewar
- axle housing
- top plate
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Abstract
A kind of superconducting wire critical current test device under hybrid stress, its composition are mainly：Electromagnetism iron-clad is fixed with left and right sides of Dewar, magnet exciting coil is installed in the inner chamber of electromagnetism iron-clad；Output axle housing is arranged on the top plate above Dewar by bearing and passes through top plate；The main shaft of motor is connected with master gear, and master gear is meshed with ring gear fixed on output axle housing；Vertical servomotor is fixed on the top for exporting axle housing, and the output shaft of vertical servomotor is connected after passing output axle housing downwards with upper fixture, and upper fixture clamps the upper end of superconducting wire；The lower end of superconducting wire is held on lower clamp；Lower clamp is fixed on the firm banking of Dewar bottom；The table top of supporting table is provided with horizontal servomotor, and horizontal servomotor is connected by guide rod, transmission rod with four polyvinyl fluoride disks, and the disk is located at the left side in the middle part of superconducting wire.The device can measure the superconducting wire critical current under different bending radius, pulling force, distortion angle and magnetic field.
Description
Technical field
It the utility model is related to the superconducting wire critical current test device under a kind of hybrid stress.
Background technology
One of an important factor for mechanical characteristic of superconducting wire is decision superconducting line performance.And producing and applying
Cheng Zhong, the stress suffered by superconducting wire are multifactor coefficient.Such as make hyperconductive cable process using superconducting wire
During pulling force, distortion, electromagnetic force can all make superconducting line that various strains occur caused by bending and cable current-carrying, so as to right
Its critical performance impacts.Secondly, background magnetic field is usually present when superconducting apparatus is applied, i.e. superconducting line is in power-electricity-magnetic
Among multiple physical field.Draw superconducting line in the collective effect of various strains and background magnetic field to its critical performance by experiment test
Influence, can be use superconducting wire superconducting apparatus design, preparation, operation and maintenance, there is provided experimental basis.
Existing test device can only test superconducting wire simple tension and either stretch under distortion or stretch bending effect
Critical performance, can not testing background magnetic field with strain collective effect under superconducting wire critical performance.Because it tests work
Condition and superconducting apparatus actual motion state do not match, accurate, reliable so as to be provided for the design and maintenance of superconducting apparatus
Experimental data.
Utility model content
The superconducting wire critical current that the purpose of this utility model is to provide under a kind of hybrid stress surveys device, the device energy
The superconducting wire critical current under differently curved radius, different pulling force, different distortion angles and different background magnetic field is enough measured, from
And to provide more accurate, reliable experimental basis using the design of the superconducting apparatus of superconducting wire and manufacture.
The utility model realizes its goal of the invention the technical scheme adopted is that the superconducting wire under a kind of hybrid stress faces
Boundary's current testing device, its composition are：
Square Dewar is placed on bottom plate, electromagnetism iron-clad is fixed with left and right sides of Dewar, is installed in the inner chamber of electromagnetism iron-clad
Magnet exciting coil；
Four columns are fixed with bottom plate, top plate is fixed on the top of four columns；Output axle housing is arranged on by bearing
On top plate and pass through top plate；The main shaft of motor is connected with master gear, master gear and ring gear phase fixed on output axle housing side face
Engagement；
Vertical servomotor is fixed on the top for exporting axle housing, after the output shaft of vertical servomotor passes downwards output axle housing
It is connected with upper fixture, upper fixture clamps the upper end of superconducting wire；The lower end of superconducting wire is held on lower clamp；The bottom of Dewar inner chamber
Portion is fixed with firm banking, and lower clamp is fixed on firm banking；
The left part of bottom plate is provided with higher than Dewar, is provided with horizontal servo less than the supporting table of top plate, the table top of supporting table
Motor, horizontal servomotor are connected with the left end of guide rod, and the upper end of transmission rod of the right-hand member of guide rod with stretching into Dewar is connected,
It is connected on the right side of transmission rod lower end with four polyvinyl fluoride disks, four polyvinyl fluoride disks are located at the left side in the middle part of superconducting wire；Displacement
The pedestal of sensor is fixed on top plate, and the sensing head of displacement transducer is connected with transmission rod.
The course of work and application method of the present utility model are：
A, two output ends of nanovoltmeter are connected with two voltage leads of superconducting wire；
B, liquid nitrogen is injected into cooled cryostat, until superconducting wire is submerged in liquid nitrogen completely；
C, vertical servomotor is started, vertical servomotor driving output shaft and upper fixture are moved up, applied to superconducting wire
The tensile stress of setting；
D, motor, motor driven master gear, ring gear, output axle housing, vertical servomotor and its output shaft and upper folder are started
Tool rotates the angle of setting, applies the twisting stress of setting to superconducting wire；
E, horizontal servomotor is started, horizontal servomotor drives guide rod, transmission rod and four polyvinyl fluoride disks successively
Move right the distance of setting, applies the bending stress of setting to superconducting wire；
F, the electric current of setting is passed to magnet exciting coil, it is inspired the alternation background magnetic field of setting；
G, direct current from small to large is passed to superconducting wire, reads the magnitude of voltage on nanovoltmeter；When the voltage of nanovoltmeter
When the lenth ratio of value and corresponding superconducting wire reaches 1 μ v/cm, the current value by superconducting wire is that superconducting wire is critical
Current value.
Compared with prior art, the beneficial effects of the utility model are：
First, the utility model device can apply the stretching, bending, twisting stress of setting to superconducting wire simultaneously, moreover it is possible to
The background magnetic field of setting is produced, the influence of single stress or magnetic field to superconducting wire critical current can be measured, can more be measured
The influence of these stress, the reciprocation in magnetic field to superconducting wire critical current, make its measurement condition with superconducting wire in reality
The various scene matchings in, so as to more accurate, reliable to be provided using the design of the superconducting apparatus of superconducting wire and manufacture
Experimental basis.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Specific implementation method
Embodiment
Fig. 1 shows that a kind of embodiment of the present utility model is a kind of critical electricity of the superconducting wire under hybrid stress
Current test device, its composition are：
Square Dewar 8 is placed on bottom plate 21, the left and right sides of Dewar 8 is fixed with electromagnetism iron-clad 6, the inner chamber of electromagnetism iron-clad 6
Middle installation magnet exciting coil 7；
Four columns 5 are fixed with bottom plate 21, top plate 11 is fixed on the top of four columns 5；Output axle housing 20 passes through axle
22 are held to be arranged on top plate 11 and pass through top plate 11；The main shaft of motor 12 is connected with master gear 18, master gear 18 and output shaft
Fixed ring gear 19 is meshed on the side face of shell 20；
Vertical servomotor 10 is fixed on the top for exporting axle housing 20, and the output shaft 13 of vertical servomotor 10 passes downwards defeated
It is connected after going out axle housing 20 with upper fixture 14, upper fixture 14 clamps the upper end of superconducting wire 15；The lower end of superconducting wire 15 is held on
Lower clamp 16；The bottom of the inner chamber of Dewar 8 is fixed with firm banking 17, and lower clamp 16 is fixed on firm banking 17；
The left part of bottom plate 21 is provided with higher than Dewar 8, is provided with horizontal stroke less than the supporting table 4 of top plate 11, the table top of supporting table 4
To servomotor 3, horizontal servomotor 3 is connected with guide rod 2a left end, guide rod 2a right-hand member and the power transmission for stretching into Dewar 8
The upper end of bar 2 is connected, and is connected on the right side of the lower end of transmission rod 2 with four polyvinyl fluoride disks 9, four polyvinyl fluoride disks 9 are located at superconducting line
The left side at the middle part of material 15；The pedestal of displacement transducer 1 is fixed on top plate 11, sensing head and the phase of transmission rod 2 of displacement transducer 1
Even.
A kind of superconducting wire critical current test device under hybrid stress of this example, carry out superconducting wire under hybrid stress
The method of testing of critical current, its operation are：
A, two output ends of nanovoltmeter are connected with two voltage leads of superconducting wire 15；
B, liquid nitrogen is injected into cooled cryostat 8, until superconducting wire 15 is submerged in liquid nitrogen completely；
C, vertical servomotor 10 is started, vertical servomotor 10 drives output shaft 13 and upper fixture 14 to move up, to superconduction
Wire rod 15 applies the tensile stress of setting；
D, start motor 12, motor 12 drive master gear 18, ring gear 19, output axle housing 20, vertical servomotor 10 and its
Output shaft 13 and upper fixture 14 rotate the angle of setting, apply the twisting stress of setting to superconducting wire 15；
E, horizontal servomotor 3 is started, horizontal servomotor 3 drives guide rod 2a, the polyvinyl fluoride of transmission rod 2 and four successively
Disk 9 moves right the distance of setting, applies the bending stress of setting to superconducting wire 15；
F, the electric current of setting is passed to magnet exciting coil 7, it is inspired the alternation background magnetic field of setting；
G, direct current from small to large is passed to superconducting wire 15, reads the magnitude of voltage on nanovoltmeter；When the electricity of nanovoltmeter
When the lenth ratio of pressure value and corresponding superconducting wire reaches 1 μ v/cm, the current value by superconducting wire 15 is superconducting wire
15 critical electric current values.Ring gear 19 is fixed with, master gear 18 is meshed with ring gear 19.Can be with moving teeth by the rotation of master gear 18
Ring 19, output axle housing 20 rotate successively.And then apply the twisting stress of different angle to superconducting wire 15.
Claims (1)
1. the superconducting wire critical current test device under a kind of hybrid stress, its composition are：
Square Dewar (8) is placed on bottom plate (21), electromagnetism iron-clad (6), electromagnetism iron-clad (6) are fixed with left and right sides of Dewar (8)
Inner chamber in install magnet exciting coil (7)；
Four columns (5) are fixed with bottom plate (21), top plate (11) is fixed on the top of four columns (5)；Export axle housing (20)
It is arranged on by bearing (22) on top plate (11) and passes through top plate (11)；The main shaft of motor (12) is connected with master gear (18),
Master gear (18) is meshed with ring gear (19) fixed on output axle housing (20) side face；
Vertical servomotor (10) is fixed on the top for exporting axle housing (20), and the output shaft (13) of vertical servomotor (10) is worn downwards
Go out to export axle housing (20) afterwards with upper fixture (14) to be connected, the upper end of upper fixture (14) clamping superconducting wire (15)；Superconducting wire
(15) lower end is held on lower clamp (16)；The bottom of Dewar (8) inner chamber is fixed with firm banking (17), and lower clamp (16) is fixed
On firm banking (17)；
The left part of bottom plate (21) is provided with higher than Dewar (8), pacified less than the supporting table (4) of top plate (11), the table top of supporting table (4)
Equipped with horizontal servomotor (3), horizontal servomotor (3) is connected with the left end of guide rod (2a), the right-hand member of guide rod (2a) with
The upper end for the transmission rod (2) for stretching into Dewar (8) is connected, and is connected on the right side of transmission rod (2) lower end with four polyvinyl fluoride disks (9), and four
Polyvinyl fluoride disk (9) is located at the left side in the middle part of superconducting wire (15)；The pedestal of displacement transducer (1) is fixed on top plate (11)
On, the sensing head of displacement transducer (1) is connected with transmission rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720593325.4U CN206920584U (en) | 2017-05-25 | 2017-05-25 | A kind of superconducting wire critical current test device under hybrid stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720593325.4U CN206920584U (en) | 2017-05-25 | 2017-05-25 | A kind of superconducting wire critical current test device under hybrid stress |
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| Publication Number | Publication Date |
|---|---|
| CN206920584U true CN206920584U (en) | 2018-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720593325.4U Expired - Fee Related CN206920584U (en) | 2017-05-25 | 2017-05-25 | A kind of superconducting wire critical current test device under hybrid stress |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167750A (en) * | 2017-05-25 | 2017-09-15 | 西南交通大学 | Superconducting wire critical current test device and method of testing under a kind of hybrid stress |
| CN109030568A (en) * | 2018-09-07 | 2018-12-18 | 西南交通大学 | A kind of high temperature superconducting film critical current non-destructive testing device and its detection method |
| CN110632425A (en) * | 2019-09-29 | 2019-12-31 | 中国原子能科学研究院 | Device and method for testing current carrying capacity of high-temperature superconducting strip and coil under multi-field coupling |
-
2017
- 2017-05-25 CN CN201720593325.4U patent/CN206920584U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167750A (en) * | 2017-05-25 | 2017-09-15 | 西南交通大学 | Superconducting wire critical current test device and method of testing under a kind of hybrid stress |
| CN107167750B (en) * | 2017-05-25 | 2023-08-04 | 西南交通大学 | Superconducting wire critical current testing device and testing method under mixed stress |
| CN109030568A (en) * | 2018-09-07 | 2018-12-18 | 西南交通大学 | A kind of high temperature superconducting film critical current non-destructive testing device and its detection method |
| CN109030568B (en) * | 2018-09-07 | 2023-09-19 | 西南交通大学 | Nondestructive testing device and method for critical current of high-temperature superconducting film |
| CN110632425A (en) * | 2019-09-29 | 2019-12-31 | 中国原子能科学研究院 | Device and method for testing current carrying capacity of high-temperature superconducting strip and coil under multi-field coupling |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 Termination date: 20200525 |
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| CF01 | Termination of patent right due to non-payment of annual fee |