CN101975897B - High-temperature superconductive long tape critical current continuous measurement and rewinding device - Google Patents
High-temperature superconductive long tape critical current continuous measurement and rewinding device Download PDFInfo
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- CN101975897B CN101975897B CN 201010281485 CN201010281485A CN101975897B CN 101975897 B CN101975897 B CN 101975897B CN 201010281485 CN201010281485 CN 201010281485 CN 201010281485 A CN201010281485 A CN 201010281485A CN 101975897 B CN101975897 B CN 101975897B
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- liquid nitrogen
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- wire
- rewinder
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- 238000005259 measurement Methods 0.000 title claims abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 134
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 67
- 239000007788 liquid Substances 0.000 claims abstract description 65
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000002372 labelling Methods 0.000 claims description 14
- 239000002887 superconductor Substances 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 6
- 238000009795 derivation Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000007791 dehumidification Methods 0.000 abstract 2
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000010791 quenching Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The invention discloses a high-temperature superconductive long tape critical current continuous measurement and rewinding device comprising a pay-off reel and a take-up reel and also comprising a liquid nitrogen tank, wherein the pay-off reel and the take-up reel are arranged above the liquid nitrogen tank; the top of the liquid nitrogen tank is provided with an inlet hole and an outlet hole; a pair of current introducing wheels and a pair of signal deriving wheels are arranged in the liquid nitrogen tank; the current introducing wheels are connected with a controllable direct-current power supply; and the signal deriving wheels and the controllable direct-current power supply are respectively connected with a monitoring system. The device also comprises a dehumidification device, a heating device, a marking device and the like. The invention not only can be used for safely and stably rewinding a superconductive long tape but also continuously measuring the critical current of the superconductive long tape. The position of a zone that the critical current does not reach the standard can also be marked by matching with the monitoring system and the marking device. The condition that the superconductive long tape is influenced in detection and application because the surface of the superconductive long tape is iced can be effectively avoided by utilizing the dehumidification device and the heating device. The invention has high degree of automation and cannot damage the superconductive tape in the use process.
Description
Technical field
The present invention is long band critical current continuous coverage of a kind of high-temperature superconductor and rewinder, belongs to the pick-up unit of hyperconductive cable.
Background technology
Along with reaching its maturity of superconductor technology, the commercial application of hyperconductive cable also can be increasingly extensive.In the production and application process of hyperconductive cable, need various pick-up units that the quality of hyperconductive cable is detected.
China's utility model patent 200620135561.3 discloses a kind of superconducting wire machines, and it comprises draw drum, take-up reel, unwrapping wire guide wheel, take-up guide wheel and detection probe etc.Utilize draw drum and take-up reel superconducting wire to be carried out in the process of unwrapping wire, after-combustion, can utilize probe that superconducting wire is carried out surface quality detection or inner flaw detection.But this machines can not be tested the critical current of superconducting wire.
The method of testing of present belt material of high temperature superconduct critical current can only be tested short band mostly, can grow the flux pinning method (measuring the critical current of superconduction band through the flux pinning ability of test superconducting tape) of tape test, and error ratio is bigger.Simultaneously; Because needed drum was generally different when the superconduction band packaging tray of superconduction band manufacturer used with reality; So must could use through after-combustion, and the superconduction band perhaps causes the critical current of band to reduce even damage because of reasons such as bending radius are too little owing to receiving excessive external force in the after-combustion process easily.
Summary of the invention
The technical matters that the present invention will solve provides a kind of device that can carry out accurate continuous coverage to the critical current of superconductive long strip, to overcome the above-mentioned defective of prior art.
In order to solve the problems of the technologies described above; The present invention adopts following technical scheme: long band critical current continuous coverage of a kind of high-temperature superconductor and rewinder; Comprise draw drum and take-up reel, also comprise a liquid nitrogen case, said draw drum and take-up reel are installed in the top of liquid nitrogen case; The top of said liquid nitrogen case is provided with entrance hole and wire hole; Liquid nitrogen case inside is provided with a pair of electric current and introduces wheel and a pair of signal derivation wheel, and said electric current is introduced wheel and is connected with controllable direct current power supply, and said signal is derived and taken turns, controllable direct current power supply all is connected with supervisory system.
Preferably, also comprise a unwrapping wire case, said draw drum is installed in the unwrapping wire case, and the entrance hole of said liquid nitrogen box top also is positioned at the unwrapping wire case.
More preferably, also be provided with dehydrating unit between said draw drum and the liquid nitrogen case, said dehydrating unit is installed in the unwrapping wire case, and said dehydrating unit is connected with supervisory system.
More preferably, the top of said unwrapping wire case is provided with the gas outlet.
Preferably, also comprise a wire rewinding box, said take-up reel is installed in the wire rewinding box, and the wire hole of said liquid nitrogen box top also is positioned at wire rewinding box.
More preferably, also be provided with heating arrangement between said take-up reel and the liquid nitrogen case, said heating arrangement is installed in the wire rewinding box, and said heating arrangement is connected with supervisory system.
More preferably, also be provided with labelling apparatus between said take-up reel and the liquid nitrogen case, said labelling apparatus is installed in the wire rewinding box, and said labelling apparatus is connected with supervisory system.
More preferably, said labelling apparatus is an ink discharge device.
More preferably, also be provided with guide wheel between said take-up reel and the liquid nitrogen case, said guide wheel is installed in the wire rewinding box.
More preferably, the top of said wire rewinding box is provided with air intake opening.
Preferably, said liquid nitrogen case is provided with liquid nitrogen and replenishes mouth and leakage fluid dram.
Preferably, said liquid nitrogen case is the metal Dewar structure.
Preferably, comprise that also a superconduction band tension force supervising device is connected with said supervisory system.
The invention has the beneficial effects as follows: the present invention is provided with a liquid nitrogen case between draw drum and take-up reel; Be provided with a pair of electric current in the liquid nitrogen case and introduce wheel and a pair of signal derivation wheel; After-combustion superconductive long strip that not only can safety and stability can also carry out continuous measurement to the critical current of superconductive long strip.Cooperate the not position of section up to standard of all right good critical current of mark of supervisory system and labelling apparatus.Utilize dehydrating unit and heating arrangement, can avoid the superconducting tape surface to freeze, influence effectively its detection and use.Automaticity of the present invention is high, and in use can not damage superconducting tape.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain.
Fig. 1 is the structural principle synoptic diagram of high-temperature superconductor of the present invention long band critical current continuous coverage and rewinder.
Among the figure: 1, draw drum 2, dehydrating unit 3, superconducting tape
4, electric current is introduced wheel 5, signal is derived wheel 6, heating arrangement
7, guide wheel 8, labelling apparatus 9, take-up reel
10, unwrapping wire case 11, gas outlet 20, wire rewinding box
21, air intake opening 30, liquid nitrogen case 31, liquid nitrogen replenish mouth
32, leakage fluid dram 40, controllable direct current power supply 50, supervisory system
Embodiment
As shown in Figure 1; Long band critical current continuous coverage of a kind of high-temperature superconductor of the present invention and rewinder comprise that one is installed in the draw drum 1 in the unwrapping wire case 10, a liquid nitrogen case 30 and a take-up reel 9 that is installed in the wire rewinding box 20, and liquid nitrogen case 30 inside are provided with a pair of electric current and introduce wheel 4 and derive wheel 5 with a pair of signal.
Unwrapping wire case 10 and wire rewinding box 20 be fixed on liquid nitrogen case 30 above, lay respectively at the and arranged on left and right sides of liquid nitrogen case 30.The top of liquid nitrogen case 30 is provided with an entrance hole and is connected with the inner space of unwrapping wire case 10; The top of liquid nitrogen case 30 is provided with a wire hole and is connected with the inner space of wire rewinding box 20; The top of unwrapping wire case 10 is provided with a gas outlet 11; The top of wire rewinding box 20 is provided with an air intake opening 21, and in addition, unwrapping wire case 10 all is the casing of sealing with wire rewinding box 20 basically.
Two electric currents in the liquid nitrogen case 30 are introduced wheel 4 and are connected with controllable direct current power supply 40, and controllable direct current power supply 40 is connected with supervisory system 50, can accept the control of supervisory system 50.Two signals are derived wheel 5 and also are connected with supervisory system 50, can the voltage signal that receive be fed back to supervisory system 50.
Superconducting tape 3 discharges from draw drum 1; The entrance hole that passes liquid nitrogen case 30 tops gets in the liquid nitrogen case 30; Walk around first electric current then successively and introduce 5 and second electric currents introducings of 4, two signals derivation of wheel wheel wheel 4; Wire hole from liquid nitrogen case 30 tops gets in the wire rewinding box again, and is wrapped on the take-up reel 9, accomplishes after-combustion.In order to regulate the angle that superconducting tape 3 gets into take-up reel, can a guide wheel 7 be set at (between take-up reel 9 and the liquid nitrogen case 30) before the take-up reel 9, guide wheel 7 is installed in the wire rewinding box 20.
Moisture on the superconducting tape 3 gets into and forms the surface behind the liquid nitrogen case and freeze; Influence measurement result; A kind of preferred embodiment of the present invention is between draw drum 1 and liquid nitrogen case 30, also to be provided with a dehydrating unit 2; Dehydrating unit 2 also is installed in the unwrapping wire case 10, and is connected with supervisory system 50, and dehydrating unit 2 can make superconducting tape 3 before getting into liquid nitrogen case 30, become dry.Dehydrating unit 2 can adopt the various dry means of prior art, and as more optimal embodiment of the present invention, dehydrating unit 2 can be a drying nitrogen jetting system, can the moisture on the superconducting tape 3 be dried up.
Correspondingly; The superconducting tape 3 that the temperature of from the liquid nitrogen case, coming out is very low runs into airborne moisture also can form surperficial freezing; Take place for fear of this phenomenon; The preferred embodiment of the present invention also is provided with heating arrangement 6 between take-up reel 9 and liquid nitrogen case 30, heating arrangement 6 is installed in the wire rewinding box 20, and is connected with supervisory system 50.Heating arrangement 6 can the temperature of from liquid nitrogen case 30, coming out is very low superconducting tape 3 be heated to room temperature, avoid forming the surface and freeze.
Principle of work of the present invention is described below.
Superconducting tape 3 is emitted through certain tension force from draw drum 1; After dehydrating unit 2 dehumidifying, get into liquid nitrogen case 30, introduce wheel 4 through excess current then and derive wheel 5 with signal; Heat up through heating arrangement 6 after coming out from liquid nitrogen case 30, pass through guide wheel 7 translation-angles again after after-combustion in take-up reel 9.Electric current is introduced wheel 4 and is derived wheel 5 with signal and all be in the liquid nitrogen, and electric current is introduced between the wheel 4 from two electric currents and introduced, and derives voltage signals between the wheel 5 and judges whether quench of superconducting tape 3 through measuring two signals then.
Whole process all is under the monitoring of supervisory system 50, to carry out.At first supervisory system 50 can be controlled the tension force of draw drum 1, guarantees that tension stability is suitable; Superconduction band tension force supervising device can be arranged on draw drum 1 or the take-up reel 9, and it can monitor the tension force of superconducting tape 3, and feeds back to supervisory system 50, and supervisory system 50 can be controlled the tension force of superconducting tape 3 through the rotating speed of control draw drum 1, take-up reel 9.Supervisory system 50 control controllable direct current power supplies 40 are derived with Control current input and measurement and processing signals and are taken turns 5 output voltage to judge whether quench of superconducting tape 3; If superconducting tape quench; Supervisory system 50 can be noted the quench position, and controls a labelling apparatus 8 and do marked at the quench surface of position of superconducting tape 3.Labelling apparatus 8 is installed in the wire rewinding box 20, and between take-up reel 9 and liquid nitrogen case 30, labelling apparatus 8 is connected with supervisory system 50.Labelling apparatus 8 is preferably ink discharge device, can spray ink marks on the surface of superconducting tape 3.The superconducting tape 3 that 6 pairs of supervisory system 50 control heating arrangements come out in the liquid nitrogen heats reaches it or near ambient temperature; Supervisory system 50 can also be kept watch on the liquid nitrogen liquid level, when liquid level arrives warning line, sends warning, and prompting replenishes liquid nitrogen or stops to replenish liquid nitrogen.
Apparatus of the present invention except that air inlet/outlet, have good air tightness under running status.Install draw drum 1, take-up reel 9 earlier and connected superconducting tape 3 before the operation; Feed drying nitrogen contains moisture with displacement apparatus air from air intake opening 21 then; And 11 discharges from the gas outlet; Seal air intake opening 21 then and replenish mouthful 31 injection liquid nitrogen, carry out after-combustion and test behind the injection liquid nitrogen from liquid nitrogen.In the operational process, have a spot of nitrogen in the liquid nitrogen case 30 and evaporate from entrance hole or wire hole, the nitrogen that evaporates can be from the gas outlet 11 be discharged, and so also can prevent to have the air access to plant inside of moisture.
Claims (9)
1. a long critical current continuous coverage and the rewinder be with of high-temperature superconductor comprises draw drum and take-up reel, it is characterized in that; Also comprise a liquid nitrogen case, said draw drum and take-up reel are installed in the top of liquid nitrogen case, and the top of said liquid nitrogen case is provided with entrance hole and wire hole; Liquid nitrogen case inside is provided with a pair of electric current and introduces wheel and a pair of signal derivation wheel, and said electric current is introduced wheel and is connected with controllable direct current power supply, and said signal is derived and taken turns, controllable direct current power supply all is connected with supervisory system; Also comprise the unwrapping wire case of a sealing and the wire rewinding box of a sealing; Said draw drum is installed in the unwrapping wire case, and said take-up reel is installed in the wire rewinding box, and said liquid nitrogen case communicates with the unwrapping wire case through the entrance hole at top; The liquid nitrogen case communicates with wire rewinding box through the wire hole at top; Be provided with dehydrating unit in the unwrapping wire case, be provided with heating arrangement in the wire rewinding box, said dehydrating unit, heating arrangement all are connected with supervisory system.
2. measurement according to claim 1 and rewinder is characterized in that the top of said unwrapping wire case is provided with the gas outlet.
3. measurement according to claim 1 and rewinder is characterized in that, also are provided with labelling apparatus between said take-up reel and the liquid nitrogen case, and said labelling apparatus is installed in the wire rewinding box, and said labelling apparatus is connected with supervisory system.
4. measurement according to claim 3 and rewinder is characterized in that, said labelling apparatus is an ink discharge device.
5. measurement according to claim 1 and rewinder is characterized in that, also are provided with guide wheel between said take-up reel and the liquid nitrogen case, and said guide wheel is installed in the wire rewinding box.
6. measurement according to claim 1 and rewinder is characterized in that the top of said wire rewinding box is provided with air intake opening.
7. measurement according to claim 1 and rewinder is characterized in that, said liquid nitrogen case is provided with liquid nitrogen and replenishes mouth and leakage fluid dram.
8. measurement according to claim 1 and rewinder is characterized in that, said liquid nitrogen case is the metal Dewar structure.
9. measurement according to claim 1 and rewinder is characterized in that, comprise that also a superconduction band tension force supervising device is connected with said supervisory system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010281485 CN101975897B (en) | 2010-09-14 | 2010-09-14 | High-temperature superconductive long tape critical current continuous measurement and rewinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010281485 CN101975897B (en) | 2010-09-14 | 2010-09-14 | High-temperature superconductive long tape critical current continuous measurement and rewinding device |
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| Publication Number | Publication Date |
|---|---|
| CN101975897A CN101975897A (en) | 2011-02-16 |
| CN101975897B true CN101975897B (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010281485 Active CN101975897B (en) | 2010-09-14 | 2010-09-14 | High-temperature superconductive long tape critical current continuous measurement and rewinding device |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955087B (en) * | 2012-11-06 | 2014-12-24 | 中国科学院电工研究所 | Equipment for measuring critical current characteristics of high temperature superconductivity long strip |
| CN102967781B (en) * | 2012-11-22 | 2014-12-24 | 中国科学院电工研究所 | Equipment with variable volume Dewar for testing characteristic of high temperature superconductive strip |
| CN104198800A (en) * | 2014-09-17 | 2014-12-10 | 富通集团（天津）超导技术应用有限公司 | Critical-current testing device for high-temperature superconductor strips |
| CN104820141B (en) * | 2015-03-10 | 2017-08-29 | 北京原力辰超导技术有限公司 | A kind of superconducting tape current carrying capacities measuring probe, measurement apparatus and method |
| CN104835592B (en) * | 2015-04-29 | 2017-01-25 | 上海超导科技股份有限公司 | Integrated intelligent equipment applicable to production, detection and storage of yttrium-system superconductive tapes |
| CN105137149B (en) * | 2015-07-24 | 2018-08-03 | 富通集团（天津）超导技术应用有限公司 | A kind of superconductive tape critical current test device and test method |
| CN107505493B (en) * | 2016-11-04 | 2023-09-26 | 洛阳理工学院 | Tension-controllable superconducting strip critical current measuring device |
| CN107167681B (en) * | 2017-05-10 | 2023-05-05 | 西南交通大学 | Current-carrying characteristic testing device and method for high-temperature superconducting strip |
| KR102636346B1 (en) * | 2018-04-25 | 2024-02-15 | 커먼웰스 퓨젼 시스템스 엘엘씨 | Quality control device for superconducting tape |
| CN108405254A (en) * | 2018-05-16 | 2018-08-17 | 江苏优腾超导科技有限公司 | The process equipment of high temperature superconducting materia |
| CN109782028B (en) * | 2019-01-29 | 2022-01-28 | 重庆工程职业技术学院 | Superconducting material detection device |
| CN110108755A (en) * | 2019-04-12 | 2019-08-09 | 国网江苏省电力有限公司经济技术研究院 | Superconducting tape pressurizes experiment mould under a kind of liquid environment |
| CN110579680B (en) * | 2019-08-07 | 2021-04-23 | 湖北工业大学 | Nondestructive testing device and method for superconducting cable |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5936394A (en) * | 1997-02-25 | 1999-08-10 | Sumitomo Electric Industries, Ltd. | Method and apparatus for measuring critical current value of superconducting wire |
| CN101268358A (en) * | 2005-12-28 | 2008-09-17 | 住友电气工业株式会社 | Method of measuring critical electric current value of superconducting wire |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10197468A (en) * | 1997-01-13 | 1998-07-31 | Hitachi Cable Ltd | Critical current measuring method of superconductor wire and measuring apparatus therefor |
| JP4579107B2 (en) * | 2005-09-06 | 2010-11-10 | 財団法人国際超電導産業技術研究センター | Continuous magnetic flux observation apparatus and method |
| JP5066480B2 (en) * | 2008-05-07 | 2012-11-07 | 株式会社フジクラ | Critical current measuring device |
-
2010
- 2010-09-14 CN CN 201010281485 patent/CN101975897B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5936394A (en) * | 1997-02-25 | 1999-08-10 | Sumitomo Electric Industries, Ltd. | Method and apparatus for measuring critical current value of superconducting wire |
| CN101268358A (en) * | 2005-12-28 | 2008-09-17 | 住友电气工业株式会社 | Method of measuring critical electric current value of superconducting wire |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2009-270916A 2009.11.19 |
| JP特开平10-197468A 1998.07.31 |
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Address after: 200093 No. 1000, military road, Shanghai, Yangpu District Co-patentee after: SHANGHAI BWE WIRE CO.,LTD. Patentee after: SHANGHAI ELECTRIC CABLE RESEARCH INSTITUTE Co.,Ltd. Address before: 200093 No. 1000, military road, Shanghai, Yangpu District Co-patentee before: SHANGHAI BWE WIRE Co.,Ltd. Patentee before: SHANGHAI ELECTRIC CABLE Research Institute |
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Effective date of registration: 20200323 Address after: 201900 No. 558, Shanlian Road, Baoshan District, Shanghai Patentee after: Shanghai International Superconducting Technology Co.,Ltd. Address before: 200093 No. 1000, military road, Shanghai, Yangpu District Patentee before: SHANGHAI ELECTRIC CABLE RESEARCH INSTITUTE Co.,Ltd. Effective date of registration: 20200323 Address after: 200093 No. 1000, military road, Shanghai, Yangpu District Patentee after: SHANGHAI ELECTRIC CABLE RESEARCH INSTITUTE Co.,Ltd. Address before: 200093 No. 1000, military road, Shanghai, Yangpu District Co-patentee before: SHANGHAI BWE WIRE Co.,Ltd. Patentee before: SHANGHAI ELECTRIC CABLE RESEARCH INSTITUTE Co.,Ltd. |