CN105067677A - Superconductive wire rod Cu/Sc test device - Google Patents
Superconductive wire rod Cu/Sc test device Download PDFInfo
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- CN105067677A CN105067677A CN201510473609.5A CN201510473609A CN105067677A CN 105067677 A CN105067677 A CN 105067677A CN 201510473609 A CN201510473609 A CN 201510473609A CN 105067677 A CN105067677 A CN 105067677A
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Abstract
The invention discloses a superconductive wire rod Cu/Sc test device. The device comprises a motorized pay-off machine, an on-line test host and a motorized take-up machine with a winding displacement function. The on-line test host comprises a servo testing jig, a digital I/O module, a PXI controller, a GPIB communication module, a serial communication module, a PXI high precision data acquisition module, a temperature compensating module, a programmable current source, a programmable nanovoltmeter, a K-type thermocouple, a length measurement unit and an encoder. The digital I/O module, the PXI controller, the GPIB communication module, the serial communication module, the PXI high precision data acquisition module, the temperature compensating module, the programmable current source, the programmable nanovoltmeter, the K-type thermocouple, the length measurement unit and the encoder are integrated. Compared with a chemical weighting method and an image analysis method in the existing Cu/Sc test method, the method utilizing the superconductive wire rod Cu/Sc test device has the characteristics of simple test equipment and complete lossless test. The device realizes a continuous test on a superconducting wire Cu/Sc ratio, greatly improves superconducting wire Cu/Sc ratio detection efficiency and is suitable for industrial production and application.
Description
Technical field
The invention belongs to superconductor detection technique field, be specifically related to a kind of superconducting wire copper hypergeometric testing apparatus.
Background technology
New energy technology development and health care progress are all in the urgent need to the fast development of superconductor technology industrialization, it is all superconducting wire that the magnet of International Thermonuclear project ITER and magnetic Resonance Imaging MRI mainly forms, current Chinese superconductor technology industrialization is at the early-stage, also lacks testing apparatus effectively in copper hypergeometric (Cu/Sc) state modulator in superconducting wire preparation process.
Cu/Sc is superconducting wire as one of important parameter of finished product, Cu/Sc directly determines the design of superconducting line, and affect superconducting line performance, low copper ratio can increase superconduction area, improves superconducting line performance, but too increases the difficulty of processing of wire rod simultaneously, and high-copper is than the stability that can improve magnet operation, but the volume ratio of superconducting phase must be made to decline, can make simultaneously superconducting line break core danger increase, be unfavorable for improve critical current density (Jc).
Current Cu/Sc test mode has chemical weight method and image analytical method, and chemical weight method gets unit length superconducting wire to remove copper by chemical corrosion, then by residue superconductor of weighing, calculates the cross-sectional area ratio of copper Cu and superconduction Sc according to density; Image method gets superconducting wire cross section to be taken pictures by optics Electronic Speculum, then analyze the cross-sectional area ratio of copper Cu and superconduction Sc, but these two kinds of methods are all damage detection, can only carry out sample testing to product, testing efficiency is very low, is only applicable to the laboratory test of a small amount of sample.
Summary of the invention
The object of this invention is to provide a kind of superconducting wire copper hypergeometric testing apparatus, this equipment solves the problem can only carrying out damaging detection that existing Cu/Sc testing apparatus exists.
The technical solution adopted in the present invention is, a kind of superconducting wire copper hypergeometric testing apparatus, comprises initiatively paying out machine, the active admission machine of on-line testing main frame and band winding displacement.
Feature of the present invention is also,
On-line testing main frame is arranged on initiatively between paying out machine and active admission machine.
Initiatively paying out machine is provided with tension unit, and tension unit adopts the mode adjustment of tonicity size regulating counterweight; Initiatively admission machine adopts the mode of variable-frequency motor speed governing to realize speed governing and the commutation of unwrapping wire, and winding displacement adopts the polished rod winding displacement mode of Serve Motor Control.
On-line testing main frame comprises the digital I/O module of servo-actuated testing jig and integrated setting, PXI controller, GPIB communication module, serial communication module, PXI high-accuracy data acquisition module, temperature compensation module, programmable current source, nanovolt meter able to programme, K type thermopair, length measurement unit and scrambler.
Servo-actuated testing jig is placed in a space closed of being made up of transparent material, servo-actuated testing jig is made up of the cylinder of 4 groups of vertical synchronization campaigns and the cylinder of 1 group of tangential movement, 2 groups in the cylinder of 4 groups of vertical synchronization campaigns are all provided with test probe, each test probe has respectively two wires, two wires are connected respectively on programmable current source and nanovolt meter able to programme; Other 2 groups for increasing the friction force of servo-actuated testing jig and tested superconducting wire surface of contact.
Numeral I/O module, PXI controller, GPIB communication module and serial communication module integrated installation are in the cabinet that a having electronic shields.
The temperature of cabinet is 15 DEG C ~ 25 DEG C.
Programmable current source adopts mode and the computer communication of GPIB general purpose interface bus; The output constant dc current scope of programmable current source is 1 ~ 10 ampere.
Nanovolt meter able to programme adopts mode and the computer communication of GPIB general purpose interface bus, and measuring accuracy is 10E-9 volt.
Test probe selects yellow gold material, and test probe adopts elasticity plagiodont structure.
The invention has the beneficial effects as follows, a kind of superconducting wire copper hypergeometric testing apparatus, by arranging online Test Host, can carry out Non-Destructive Testing when detecting superconducting wire copper hypergeometric, and uninterruptedly can test, substantially increase superconducting wire copper hypergeometric detection efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of superconducting wire copper of the present invention hypergeometric testing apparatus;
Fig. 2 is the cross-sectional view of test probe in the present invention.
In figure, 1. active paying out machine, 2. active admission machine, 3. servo-actuated testing jig, 4. digital I/O module, 5.PXI controller, 6.GPIB communication module, 7. serial communication module, 8.PXI high-accuracy data acquisition module, 9. temperature compensation module, 10. programmable current source, 11. nanovolt meters able to programme, 12. tested superconducting wires, 13.K type thermopair, 14. length measurement unit, 15. scramblers, 16. on-line testing main frames, 17. test probes.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As shown in Figure 1, a kind of superconducting wire copper hypergeometric testing apparatus, comprises initiatively paying out machine 1, the active admission machine 2 of on-line testing main frame 16 and band winding displacement, and on-line testing main frame 16 is arranged on initiatively between paying out machine 1 and active admission machine 2.
Wherein, initiatively paying out machine 1 is provided with tension unit, and tension unit adopts the mode adjustment of tonicity size regulating counterweight; Initiatively admission machine 2 adopts the mode of variable-frequency motor speed governing to realize speed governing and the commutation of unwrapping wire, and winding displacement adopts the polished rod winding displacement mode of Serve Motor Control; On-line testing main frame 16 comprises the digital I/O module 4 of servo-actuated testing jig 3 and integrated setting, PXI controller 5, GPIB communication module 6, serial communication module 7, PXI high-accuracy data acquisition module 8, temperature compensation module 9, programmable current source 10, nanovolt meter able to programme 11, K type thermopair 13, length measurement unit 14 and scrambler 15.Wherein, servo-actuated testing jig 3 is placed in a space closed of being made up of transparent material, servo-actuated testing jig 3 is made up of the cylinder of 4 groups of vertical synchronization campaigns and the cylinder of 1 group of tangential movement, 2 groups in the cylinder of 4 groups of vertical synchronization campaigns are all provided with test probe 17, each test probe 17 has respectively two wires, two wires are connected respectively on programmable current source 10 and nanovolt meter able to programme 11; Other 2 groups for increasing the friction force of servo-actuated testing jig 3 and tested superconducting wire 12 surface of contact, by the motion of synchronous cylinder, test probe 17 synchronously contacted or be located away from tested superconducting wire 12, in addition, the length stays constant of tested superconducting wire 12 between the guide wheel of arbitrary-movement articulator 3 two ends, tested superconducting wire length when ensureing according to this at every turn to test between test probe 17 also ensures identical; Numeral I/O module 4, PXI controller 5, GPIB communication module 6 and serial communication module 7 integrated installation are in the cabinet of having electronic shielding of 15 DEG C ~ 25 DEG C a temperature; Programmable current source 10 adopts mode and the computer communication of GPIB general purpose interface bus, and it exports constant dc current scope is 1 ~ 10 ampere; Nanovolt meter 11 able to programme also adopts mode and the computer communication of GPIB general purpose interface bus, and measuring accuracy is 10E-9 volt.
As shown in Figure 2, test probe 17 selects yellow gold material, and adopts elasticity plagiodont structure, to increase the reliability of popping one's head in and contacting with superconducting wire.
The using method of a kind of superconducting wire copper of the present invention hypergeometric testing apparatus is, initiatively paying out machine 1 and active admission machine 2 are respectively used to unwrapping wire and take-up, initiatively paying out machine 1 is with tension regulating function, the Tensity size regulating superconducting wire can be needed according to test, initiatively admission machine 2 is with wire arrangement function, can arrange the superconducting wire of storage and arrange.When tested, tested superconducting wire 12 is loaded initiatively paying out machine 1, according to the coiling route determined, superconducting line is passed online Test Host 16, arrive initiatively admission machine 2; Again by two test probes 17 near superconducting line, regulate the sampling rate of Cu/Sc by regulating initiatively paying out machine 1, initiatively the retractable linear velocity of admission machine 2 or the frequency of test probe 17 Contact Superconducting line; Programmable current source 10 is according to the numerical value output current pre-set, and nanovolt meter 11 able to programme tests the voltage of superconducting line between two test probes 17; The superconducting line be arranged between two test probes 17 by K type thermopair 13 is closely surperficial, measures superconducting line temperature; According to superconducting line temperature, temperature compensation module 9 compensates the electric conductivity difference of material between different temperatures; The length of the superconducting line flow through is recorded with length measurement unit 14 and scrambler 15; According to the electric conductivity difference of superconducting line Cu and Sc under room temperature, by the copper hypergeometric of each measurement point of following formulae discovery, Cu/Sc=Beta:
In formula, the actual parameter of symbology is:
A: constant under different temperatures, as at room temperature 20 DEG C, a value equals 234.4;
B:b=a+k, k value 20;
T: the Celsius temperature that tested superconducting line is real-time, unit DEG C;
S: tested superconducting line cross-sectional area,
Rh0: the resistivity of copper at room temperature 20 DEG C, as oxygen-free copper Rh0=0.0169;
Rm: the aggregate resistance value of superconducting line, Rm=Um/Is;
Tested superconducting line length between Lg: two test probes, Lg >=12 meter;
X: the resistivity multiple of the relative Rh0 of superconducting core silk, as Nb-47Ti, X=42;
Utilize the superconducting line of record to flow through length and do plane right-angle coordinate horizontal ordinate, get synchronization Cu/Sc and do ordinate, by the discrete pattern of computer drawing Cu/Sc-L, with " least square fitting method ", each point is connected to form Cu/Sc-L continuous curve figure, treat that entire volume superconducting line flows through and just form entire volume line about the Cu/Sc test curve on length coordinate, on the Cu/Sc test curve drawn by reading, the Cu/Sc value at corresponding length place, determines the copper hypergeometric of superconducting line in corresponding position.
Claims (10)
1. a superconducting wire copper hypergeometric testing apparatus, is characterized in that: comprise initiatively paying out machine (1), the active admission machine (2) of on-line testing main frame (16) and band winding displacement.
2. a kind of superconducting wire copper hypergeometric testing apparatus according to claim 1, is characterized in that: described on-line testing main frame (16) is arranged on initiatively between paying out machine (1) and active admission machine (2).
3. a kind of superconducting wire copper hypergeometric testing apparatus according to claim 1, is characterized in that: described active paying out machine (1) is provided with tension unit, and tension unit adopts the mode adjustment of tonicity size regulating counterweight; Described active admission machine (2) adopts the mode of variable-frequency motor speed governing to realize speed governing and the commutation of unwrapping wire, and winding displacement adopts the polished rod winding displacement mode of Serve Motor Control.
4. a kind of superconducting wire copper hypergeometric testing apparatus according to claim 3, it is characterized in that: described on-line testing main frame (16) comprises the digital I/O module (4) of servo-actuated testing jig (3) and integrated setting, PXI controller (5), GPIB communication module (6), serial communication module (7), PXI high-accuracy data acquisition module (8), temperature compensation module (9), programmable current source (10), nanovolt meter able to programme (11), K type thermopair (13), length measurement unit (14) and scrambler (15).
5. a kind of superconducting wire copper hypergeometric testing apparatus according to claim 4, it is characterized in that: described servo-actuated testing jig (3) is placed in a space closed of being made up of transparent material, servo-actuated testing jig (3) is made up of the cylinder of 4 groups of vertical synchronization campaigns and the cylinder of 1 group of tangential movement, 2 groups in the cylinder of 4 groups of vertical synchronization campaigns are all provided with test probe (17), each test probe (17) has respectively two wires, two wires are connected respectively on programmable current source (10) and nanovolt meter able to programme (11); Other 2 groups for increasing the friction force of servo-actuated testing jig and tested superconducting wire surface of contact.
6. a kind of superconducting wire copper hypergeometric testing apparatus according to claim 4, is characterized in that: described digital I/O module (4), PXI controller (5), GPIB communication module (6) and serial communication module (7) integrated installation are in the cabinet that a having electronic shields.
7. a kind of superconducting wire copper hypergeometric testing apparatus according to claim 6, is characterized in that: the temperature of the cabinet of described having electronic shielding is 15 DEG C ~ 25 DEG C.
8. a kind of superconducting wire copper hypergeometric testing apparatus according to claim 4, is characterized in that: described programmable current source (10) adopts mode and the computer communication of GPIB general purpose interface bus; The output constant dc current scope of programmable current source (10) is 1 ~ 10 ampere.
9. a kind of superconducting wire copper hypergeometric testing apparatus according to claim 4, is characterized in that: described nanovolt meter able to programme (11) adopts mode and the computer communication of GPIB general purpose interface bus, and measuring accuracy is 10E-9 volt.
10. a kind of superconducting wire copper hypergeometric testing apparatus according to claim 5, is characterized in that: described test probe (17) selects yellow gold material, and test probe (17) adopts elasticity plagiodont structure.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505493A (en) * | 2016-11-04 | 2017-12-22 | 洛阳理工学院 | A kind of controllable superconduction belt material critical current measuring device of tension force |
| CN110823747A (en) * | 2019-10-30 | 2020-02-21 | 西部超导材料科技股份有限公司 | Method for measuring copper-to-over ratio of WIC (wire in wire) inlaid superconducting wire by mass-resistance method |
| CN113008185A (en) * | 2021-01-25 | 2021-06-22 | 四川东钢新材料股份有限公司 | Cable coating thickness detection method and aluminum layer uniform thickness detection method of aluminum-clad steel wire |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012460A (en) * | 2010-09-21 | 2011-04-13 | 上海大学 | Method and system for measuring alternating current impedance characteristic of material or electronic component under extreme condition |
| CN102243197A (en) * | 2011-04-25 | 2011-11-16 | 中国地质大学（武汉） | Nondestructive testing method based on skin effect resistance |
| CN102788837A (en) * | 2012-08-15 | 2012-11-21 | 西南交通大学 | Multifunctional critical-current uniformity non-destructive and continuous detection device of superconducting band material |
| CN103513111A (en) * | 2013-09-06 | 2014-01-15 | 国家电网公司 | System and method for testing electric conductivity of metal wire |
| CN203444015U (en) * | 2013-09-06 | 2014-02-19 | 国家电网公司 | Test system for conductivity of metal conductive wire |
-
2015
- 2015-08-05 CN CN201510473609.5A patent/CN105067677B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012460A (en) * | 2010-09-21 | 2011-04-13 | 上海大学 | Method and system for measuring alternating current impedance characteristic of material or electronic component under extreme condition |
| CN102243197A (en) * | 2011-04-25 | 2011-11-16 | 中国地质大学（武汉） | Nondestructive testing method based on skin effect resistance |
| CN102788837A (en) * | 2012-08-15 | 2012-11-21 | 西南交通大学 | Multifunctional critical-current uniformity non-destructive and continuous detection device of superconducting band material |
| CN103513111A (en) * | 2013-09-06 | 2014-01-15 | 国家电网公司 | System and method for testing electric conductivity of metal wire |
| CN203444015U (en) * | 2013-09-06 | 2014-02-19 | 国家电网公司 | Test system for conductivity of metal conductive wire |
Non-Patent Citations (1)
| Title |
|---|
| TAEYOUNG PYON: "Evaluation of copper to superconductor area ratio measurement techniques for Niobium-Titanium composite superconducting wire", <<OREGON STATE UNIVERSITY LIBRARIES SCHOLARS ARCHIVE》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505493A (en) * | 2016-11-04 | 2017-12-22 | 洛阳理工学院 | A kind of controllable superconduction belt material critical current measuring device of tension force |
| CN107505493B (en) * | 2016-11-04 | 2023-09-26 | 洛阳理工学院 | Tension-controllable superconducting strip critical current measuring device |
| CN110823747A (en) * | 2019-10-30 | 2020-02-21 | 西部超导材料科技股份有限公司 | Method for measuring copper-to-over ratio of WIC (wire in wire) inlaid superconducting wire by mass-resistance method |
| CN110823747B (en) * | 2019-10-30 | 2022-02-22 | 西部超导材料科技股份有限公司 | Method for measuring copper-to-over ratio of WIC (wire in wire) inlaid superconducting wire by mass-resistance method |
| CN113008185A (en) * | 2021-01-25 | 2021-06-22 | 四川东钢新材料股份有限公司 | Cable coating thickness detection method and aluminum layer uniform thickness detection method of aluminum-clad steel wire |
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