CN103177842B - The method that Circuit of Superconducting Magnet Wires end device and realization connect - Google Patents
The method that Circuit of Superconducting Magnet Wires end device and realization connect Download PDFInfo
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- CN103177842B CN103177842B CN201110429662.7A CN201110429662A CN103177842B CN 103177842 B CN103177842 B CN 103177842B CN 201110429662 A CN201110429662 A CN 201110429662A CN 103177842 B CN103177842 B CN 103177842B
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- compressing tablet
- circuit
- superconducting magnet
- base plate
- metal solder
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 29
- 229910000679 solder Inorganic materials 0.000 claims abstract description 28
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 238000003032 molecular docking Methods 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims abstract description 4
- 230000010354 integration Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000005452 bending Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002887 superconductor Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052574 oxide ceramic Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000001256 tonic effect Effects 0.000 description 1
- 229910021521 yttrium barium copper oxide Inorganic materials 0.000 description 1
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- Containers, Films, And Cooling For Superconductive Devices (AREA)
Abstract
The invention discloses a kind of Circuit of Superconducting Magnet Wires end device and realize the method that Circuit of Superconducting Magnet Wires connects, its device comprises: a base, for the base plate of fixing compressing tablet and metal solder platform; A compressing tablet, with radian and tail end is positioned at eminence, after this compressing tablet is positioned at the wire inlet guide device of end of incoming cables; A non-magnetic spring, controls the springing stroke of compressing tablet for realizing; A metal solder platform, be fixed on the outlet side of base plate, its fore-end is positioned under compressing tablet end section, and both are mutually close to and have the curvature of coupling mutually; Base inlet wire port and metal solder platform have height fall, and elastic pressuring plate is positioned in the middle of both horizontal levels.Method is as follows: prefabricated pair of end head unit, and the structure of two end devices is symmetrical; Superconducting tape in be connected two magnet coils is entered from the inlet wire port of two end device bases respectively, through after compressing tablet respectively paving be welded and fixed on metal solder platform; The solid weldering of docking.
Description
Technical field
The invention belongs to superconducting magnet coil lead-in wire to clamp and conductive wire welding process technology, particularly relate to a kind of method of Circuit of Superconducting Magnet Wires end device and realization connection.
Background technology
At low ambient temperatures, resistance is zero to superconductor.Utilize this characteristic of superconductor, the application study of a series of superconducting power apparatus such as superconductive failure current limiter, superconducting transformer, superconducting energy storage is greatly developed, and superconducting magnet is as important component part, is a key of its application.Compared with the magnet formed with normal coil, superconducting coil is utilized to have micro power consumption, volume compact, stability advantages of higher as field magnet.
But due to manufacture craft and the special composition of himself composition of superconducting wire complexity, general use epoxy skeletal support wire rod during superconducting magnet is made.At present, no matter be first generation Bi-2223/Ag bismuth system silver jacket band or second generation YBCO coating high-temp superconducting tape, be all brittle oxide ceramic material, its through-flow degradation can be caused compared with the bending of deep camber.
Superconducting magnet be transitioned into liquid nitrogen environment temperature from normal temperature or contrary time, because skeleton is different with the thermal coefficient of expansion of superconducting coil, superconducting tape can be caused to stretch tight tension or excessively loose, superconducting tape even can be caused to damage, snap, the serious consequence such as magnet distortion.Therefore the making of superconducting magnet needs to consider and to make under the resistance to mechanical electromagnetic force of material, insulating capacity, low temperature Strength Changes and the series of factors such as thermal coefficient of expansion, anti-fatigue performance under intensity, on a large scale variations in temperature.
No matter selecting which kind of material to make superconducting magnet framework, all causing because there is difference in material properties from superconducting wire the different situation of both cold and hot distortion ratios to occur.For superconducting magnet, in superconducting magnet coil, the lead of wire is the weakest place of magnet, termination relates to wire bonds with fixing, and the cold and hot distortion ratio of skeleton and superconducting coil different make position, coil lead termination produce local internal stress to concentrate, can cause the damage of superconducting coil lead-in wire or welding ends head rupture time serious.
Summary of the invention
The object of this invention is to provide a kind of method of brand-new Circuit of Superconducting Magnet Wires end device and realization connection, it can discharge the internal stress that the temperature jump of superconducting magnet coil internal cause produces, and can optimize the welding resistance characteristic in superconducting magnet coil connection procedure.
For achieving the above object, following design is originally taked:
A kind of Circuit of Superconducting Magnet Wires end device, it includes:
A base, with the base plate for fixing compressing tablet and metal solder platform, is positioned at base plate end of incoming cables and has wire inlet guide device, is positioned at base plate upper side edge nearly end of incoming cables section and has enclosing;
A compressing tablet, it is the movable strip device with radian, and with tail end head for moving fulcrum, and tail end is positioned at eminence, after this compressing tablet is positioned at the wire inlet guide device of end of incoming cables;
A non-magnetic spring, between the enclosing being closely against compressing tablet and base upper side edge, controls the springing stroke of compressing tablet for realizing;
A metal solder platform, be fixed on the outlet side of base plate, its fore-end is positioned under compressing tablet end section, and both are mutually close to and have the curvature of coupling mutually;
Base inlet wire port and metal solder platform have height fall, and elastic pressuring plate is positioned in the middle of both horizontal levels.
The compressing tablet of described Circuit of Superconducting Magnet Wires end device is in nearly " S " arcuation.
The wire inlet guide device of the base inlet wire side of described Circuit of Superconducting Magnet Wires end device is block, and the enclosing of this wire inlet guide device and base plate upper side edge can be made into integration.
In described Circuit of Superconducting Magnet Wires end device, have translot together at the lower avris of base plate.
The base plate of described Circuit of Superconducting Magnet Wires end device is arcuation, and the rear end part of metal solder platform is also and the arcuation of base plate with curvature.
The method that Circuit of Superconducting Magnet Wires connects, its method is as follows:
A) prefabricated a pair Circuit of Superconducting Magnet Wires end device as claimed in claim 1, the structure of two end devices is symmetrical arranged, and the base plate made is consistent with to be connected two magnet coil outer diameter curvature with the arcuation curvature of metal solder platform rear end part;
B) Circuit of Superconducting Magnet Wires termination is installed on magnet skeleton, is entered respectively by the superconducting tape in be connected two magnet coils from the inlet wire port of two end device bases, through after compressing tablet respectively paving be welded and fixed on metal solder platform;
C) re-use superconducting wire between two terminations to carry out docking solid weldering.
Advantage of the present invention is: the method and device cold and hot distortion ratio different that can effectively solve because of superconducting magnet framework and superconducting coil make position, coil lead termination produce local internal stress to concentrate and cause superconducting coil and go between and damage or the series of problems such as welding ends head rupture, significantly can reduce the welding kesistance in superconducting magnet coil connection procedure simultaneously, reduce the termination heating because welding kesistance causes, optimize the power loss of magnet self, alleviate cryogenic refrigerating system heat exchange duty.
Accompanying drawing explanation
Fig. 1 is Circuit of Superconducting Magnet Wires end device structural representation of the present invention.
Fig. 2 is the understructure schematic diagram of Circuit of Superconducting Magnet Wires end device of the present invention.
Fig. 3 is the component locations schematic diagram of Circuit of Superconducting Magnet Wires end device of the present invention.
Fig. 4 is the superconducting tape schematic shapes of the present invention under normal circumstances in Circuit of Superconducting Magnet Wires end device.
Fig. 5 is the schematic diagram of connected mode between coil end of the present invention.
Fig. 6 is connection diagram between the present invention two coil end.
Below in conjunction with drawings and the specific embodiments, the present invention is described in further details:
Embodiment
Consult shown in Fig. 1, Circuit of Superconducting Magnet Wires end device of the present invention forms primarily of four parts: base 1, compressing tablet 2, non-magnetic spring 3 and metal solder platform 4.Compressing tablet 2 and metal solder platform 4 are fixed on base 1, compressing tablet are equipped with the spring 3 that non-magnet material makes.
As shown in Figure 2, described base 1 includes base plate 101, wire inlet guide device 102 and enclosing 103.Base plate 101 is for fixedly mounting compressing tablet 2 and metal solder platform 4.Wire inlet guide device 102 is positioned at base plate end of incoming cables, can be block.Enclosing 103 is positioned at the area segments of the nearly end of incoming cables of base plate upper side edge.This wire inlet guide device 102 can be made into integration with the enclosing 103 of base plate upper side edge; One translot 104 is had at the lower avris of base plate.
Described compressing tablet 2 is the movable strip devices with radian, and one preferred embodiment is in nearly " S " arcuation.After it is arranged on the wire inlet guide device 102 on base 1, with tail end head for moving fulcrum, and tail end is positioned at eminence.
The function of tonic chord of described non-magnetic spring 3 controls the springing stroke of compressing tablet for realizing, between the enclosing 103 being closely against compressing tablet 2 and base 1 upper side edge.
Described metal solder platform 4 is fixed on the outlet side of base 1 base plate 101, and its fore-end is positioned under compressing tablet 2 end section, and both are mutually close to and have the curvature of coupling mutually.
See Fig. 3, inlet wire port and the metal solder platform 4 of described base 1 have height fall h, and compressing tablet 2 is positioned in the middle of both horizontal levels.Such design can make when superconducting wire passes elastic pressuring plate paving in sheet metal strip jig, and wire rod is moulding rear bending by the elastic pressuring plate with radian, thus extends wire rod by the length between base incoming line to metal solder platform.
The base plate of described Circuit of Superconducting Magnet Wires end device is arcuation, and the rear end part of metal solder platform is also and the arcuation of base plate with curvature.
The structure design principle of Circuit of Superconducting Magnet Wires end device of the present invention is: Circuit of Superconducting Magnet Wires termination is installed on magnet skeleton, superconducting tape in magnet coil enters this device from the front end of base 1, is welded and fixed on metal solder platform 3 through paving after elastic pressuring plate 2.
Operation principle of the present invention is: when magnet coil enters rapidly low temperature environment, between superconducting magnet coil from magnet skeleton, shrinkage is different, superconducting coil tightens up because of the preferential magnet framework shrinkage of the less meeting of thermal capacitance, thus produce internal stress in coil, a part for this internal stress can directly act on superconducting magnet welding tip position, superconducting tape can weld opposite effect power in termination because the overall shrinkage of coil produces with magnet, now under the effect of pulling force, linear state can be tended to by case of bending by the moulding bending superconducting tape of elastic pressuring plate with radian in this contrive equipment, thus the internal stress that release coil produces because of shrinkage, avoid wire rod to be damaged or fracture.
Shown in Fig. 4 is wire rod view under normal circumstances.
Shown in Fig. 5 is by the ribbon shape in Circuit of Superconducting Magnet Wires end device under the effect of coil internal stress.
In this Circuit of Superconducting Magnet Wires end device, coil superconducting line is welded on metal solder platform, in superconducting magnet assembling process, superconducting coil can be gone here and there according to different designing requirements, and connect, now, metal solder platform in device can meet and to use superconducting wire to replace conventional conductor material to carry out the requirement connected between magnet coil, avoid in superconducting magnet, use too much conventional conductor material, thus the conductor resistance reduced between coil connection and welding kesistance, reduce the power consumption of generating heat due to self internal resistance in the through-flow process of conventional conductor material in magnet connection, alleviate the heat load of superconducting magnet in cryogenic system.Can realize connecting of Circuit of Superconducting Magnet Wires with Circuit of Superconducting Magnet Wires end device of the present invention, concrete grammar is as follows:
A) prefabricated above-mentioned Circuit of Superconducting Magnet Wires end device, see Fig. 6, the structure of two end devices should be symmetrical arranged, and arcuation curvature and to be connected two magnet coils of the base plate made and metal solder platform rear end part to obtain outer diameter curvature consistent;
B) superconducting tape 5 in be connected two magnet coils and 5 ' is entered from the inlet wire port of two end device bases 1 and 1 ' respectively, be each passed through compressing tablet 2 and 2 ' afterwards respectively paving be welded and fixed on metal solder platform 4 and 4 ';
C) re-use superconducting wire 6 between two terminations to carry out docking solid weldering.
The various embodiments described above can in addition some changes under not departing from the scope of the present invention, thus above explanation to comprise and the structure shown in accompanying drawing should be considered as exemplary, and be not used to the protection range limiting the application's patent.
Claims (5)
1. a Circuit of Superconducting Magnet Wires end device, is characterized in that including:
A base, with the base plate for fixing compressing tablet and metal solder platform, is positioned at base plate end of incoming cables and has wire inlet guide device, is positioned at base plate upper side edge nearly end of incoming cables section and has enclosing;
A compressing tablet, it is the movable strip device with radian, and with tail end head for moving fulcrum, and tail end is positioned at eminence, after this compressing tablet is positioned at the wire inlet guide device of end of incoming cables;
A non-magnetic spring, between the enclosing being closely against compressing tablet and base upper side edge, controls the springing stroke of compressing tablet for realizing;
A metal solder platform, be fixed on the outlet side of base plate, its fore-end is positioned under compressing tablet end section, and both are mutually close to and have the curvature of coupling mutually;
Base inlet wire port and metal solder platform have height fall, and elastic pressuring plate is positioned in the middle of both horizontal levels.
2. Circuit of Superconducting Magnet Wires end device according to claim 1, is characterized in that: the wire inlet guide device of the base inlet wire side of described Circuit of Superconducting Magnet Wires end device is for block, and the enclosing of this wire inlet guide device and base plate upper side edge is made into integration.
3. Circuit of Superconducting Magnet Wires end device according to claim 1, is characterized in that: have translot together at the lower avris of base plate.
4. Circuit of Superconducting Magnet Wires end device according to claim 1, is characterized in that: the base plate of described Circuit of Superconducting Magnet Wires end device is arcuation, and the rear end part of metal solder platform is also and the arcuation of base plate with curvature.
5. a method for Circuit of Superconducting Magnet Wires connection, is characterized in that method is as follows:
A) prefabricated a pair Circuit of Superconducting Magnet Wires end device as claimed in claim 1, the structure of two end devices is symmetrical arranged, and the base plate made is consistent with to be connected two magnet coil outer diameter curvature with the arcuation curvature of metal solder platform rear end part;
B) Circuit of Superconducting Magnet Wires termination is installed on magnet skeleton, is entered respectively by the superconducting tape in be connected two magnet coils from the inlet wire port of two end device bases, through after compressing tablet respectively paving be welded and fixed on metal solder platform;
C) re-use superconducting tape between two terminations to carry out docking solid weldering.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110429662.7A CN103177842B (en) | 2011-12-20 | 2011-12-20 | The method that Circuit of Superconducting Magnet Wires end device and realization connect |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110429662.7A CN103177842B (en) | 2011-12-20 | 2011-12-20 | The method that Circuit of Superconducting Magnet Wires end device and realization connect |
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| CN103177842A CN103177842A (en) | 2013-06-26 |
| CN103177842B true CN103177842B (en) | 2015-11-25 |
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| CN103920983B (en) * | 2014-05-05 | 2016-03-02 | 西南科技大学 | A kind of superconductor is colded pressing joint method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201758202U (en) * | 2010-06-24 | 2011-03-09 | 番禺得意精密电子工业有限公司 | Electric connector and conductive terminals thereof |
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| JP3128568B2 (en) * | 1996-03-25 | 2001-01-29 | 日本航空電子工業株式会社 | Mounting structure of electrical connector and jig used for mounting |
| JP3388447B2 (en) * | 2001-03-23 | 2003-03-24 | 日本航空電子工業株式会社 | Coaxial cable terminal processing machine |
| JP2011040567A (en) * | 2009-08-11 | 2011-02-24 | Kawasaki Heavy Ind Ltd | Superconducting coil device and superconducting rotating machine comprising the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201758202U (en) * | 2010-06-24 | 2011-03-09 | 番禺得意精密电子工业有限公司 | Electric connector and conductive terminals thereof |
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Effective date of registration: 20200107 Address after: Yunda economic and Technological Development Zone in Yunnan province Kunming City 650000 West Road No. 105 Patentee after: YUNNAN ELECTRIC POWER TEST & RESEARCH INSTITUTE (GROUP) Co.,Ltd. Address before: 102600 West A, floor 3, building B, No. 7, Rongchang East Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee before: Beijing innopower superconductor power technology Co.,Ltd. |
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