CN106356692B - A kind of device and method of processing superconductivity wire connector interfaces - Google Patents
A kind of device and method of processing superconductivity wire connector interfaces Download PDFInfo
- Publication number
- CN106356692B CN106356692B CN201610966455.8A CN201610966455A CN106356692B CN 106356692 B CN106356692 B CN 106356692B CN 201610966455 A CN201610966455 A CN 201610966455A CN 106356692 B CN106356692 B CN 106356692B
- Authority
- CN
- China
- Prior art keywords
- roller bearing
- cylindrical roller
- superconductivity wire
- superconductivity
- high temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
A kind of device and method of processing superconductivity wire connector interfaces, the equipment includes the first cylindrical roller bearing and the second cylindrical roller bearing, the axis of described first cylindrical roller bearing and the second cylindrical roller bearing is parallel to each other, there is the gap for being packed into second generation high temperature super conductive conductor between described first cylindrical roller bearing and the second cylindrical roller bearing, described first cylindrical roller bearing and the second cylindrical roller bearing are through controlling rotation and linear velocity having the same in the opposite direction, first face of the close metallic substrates of second generation high temperature super conductive conductor is fixed on the described first cylindrical roller bearing, second face of the close superconducting layer of second generation high temperature super conductive conductor is fixed on the described second cylindrical roller bearing, the radius of described second cylindrical roller bearing is more than the critical bend radius of second generation high temperature super conductive conductor.Present device and method can effectively, it is reliable, be achieved at low cost acquisition connector, and obtained connector is made to keep good superconductivity.
Description
Technical field
The present invention relates to high temperature super conductive conductor technologies, and in particular to it is a kind of processing superconductivity wire connector interfaces equipment and
Method.
Background technology
RE, Ba and Cu oxide high temperature super conductive conductor (REBa2Cu3O7-δ, wherein RE be rare earth element, including Y, Yb, Tm, Er, Ho,
Dy, Gd, Eu, Sm, Nd, La etc., also referred to as second generation high temperature super conductive conductor) there is excellent current-carrying under liquid nitrogen temperature (77K)
Performance has a extensive future.The basic structure of RE, Ba and Cu oxide high temperature super conductive conductor includes four major parts：Silver-colored stabilized zone,
Superconducting layer, transition zone and metallic substrates.In four above-mentioned major parts, silver-colored protective layer general thickness is 1~2 micron, can
To play the role of protecting superconducting layer；The thickness of superconducting layer is generally 1~2 micron, plays the role of conducting supercurrent, is super
The core of conducting wire；Transition zone is generally made of several layer films, can be played between barrier superconducting layer and metallic substrates
Elements diffusion, conduction biaxial texture the effects that, overall thickness is generally at 1 micron or less；The thickness of metallic substrates is generally 50~
100 microns, nickel-base alloy (such as Hastelloy C276) or stainless steel material are generally used, plays and improves superconductivity wire mechanicalness
The effect of energy.The enhancement layer of the materials such as copper, stainless steel composition can also be increased generally outside above-mentioned basic structure further to increase
Strong superconductivity wire mechanical performance has one layer of silver layer between the metallic substrates and increase copper or stainless steel of superconductivity wire also.This
Inventive method is not only suitable for the superconductivity wire for only including four basic structure, is also applied for the superconductivity wire containing enhancement layer.
For two generation high temperature super conductive conductors, above structure is mainly realized in the method for multilayer coating film, one between each layer
As there is clearly interface.In the ideal situation, it is bound tightly together between layers, but in practice, due to table
The factors such as face pollution, stress concentration, defect, some interfaces will appear the case where adhesion strength reduces.And in actual two generations high temperature
Be susceptible in superconductivity wire, between superconducting layer and transition zone splitting be detached from the case where, this be such superconductivity wire application in compared with
For a common problem.
Ibrahim Kesgin according to University of Houston et al. research superconducting thin film and adhesion strength between relationship come
It sees, is (Kesgin I, Khatri N, the Liu Y, et that can be split open under external force between superconducting layer and transition zone
al.Influence of superconductor film composition on adhesion strength of
coated conductors[J].Superconductor Science&Technology,2015,29(1):015003.).But
It is that superconducting layer is destroyed seriously by external force in the material that they are cleaved, wavy pattern occurs.Its reason is directly by outer
Power tears superconducting layer and transition zone, and the bending radius of superconducting layer is very small at splitting point, can be born less than superconducting layer
Critical bend radius leads to the transmittability for losing supercurrent.
The critical bend radius of so-called two generations high temperature super conductive conductor refers to when the bending radius of superconductivity wire is more than centainly
When value, the critical current not influence of degree by bending of superconductivity wire；When bending is less than the value, critical current is with bending half
The reduction of diameter and reduce.Bending strain formula of the superconducting tape in bending is expressed as：ε=t/2R, ε, t, R are indicated respectively in formula
Bending strain, superconduction layer thickness, bending radius.According to the research of Southwest Jiaotong University, (characteristic of Jie .YBCO superconducting switch is ground
Study carefully [D] Southwest Jiaotong Universitys, 2014.), the critical bends strain of two generation high temperature super conductive conductor YBCO is 0.75%, while author
The critical bend radius that Zhang Jie measures gained in an experiment is 12mm.
Since the production length of current high temperature super conductive conductor is generally hundreds of meters to one kms, due in many application fields
It needs to use longer superconductivity wire, such as high field magnet coiling, superconducting motor manufacture, superconductive energy storage system manufacture, therefore super
The exploitation of conducting wire interconnection technique is of great significance.
Invention content
The main purpose of the present invention is to provide a kind of device and method of processing superconductivity wire connector interfaces, make to be obtained
The connector obtained keeps good superconductivity, the connector to can be used for connecting two superconductivity wire ports.
To achieve the above object, the present invention uses following technical scheme：
A kind of equipment of processing superconductivity wire connector interfaces, including the first cylindrical roller bearing and the second cylindrical roller bearing,
The axis of described first cylindrical roller bearing and the second cylindrical roller bearing is parallel to each other, the described first cylindrical roller bearing and described second
There is gap for being packed into second generation high temperature super conductive conductor, the described first cylindrical roller bearing and described the between cylindrical roller bearing
Two cylindrical roller bearings through controlling rotation and linear velocity having the same in the opposite direction, second generation high temperature super conductive conductor it is close
First face of metallic substrates is fixed on the described first cylindrical roller bearing, and the of the close superconducting layer of second generation high temperature super conductive conductor
Two faces are fixed on the described second cylindrical roller bearing, and the radius of the described second cylindrical roller bearing is more than second generation high temperature super conductive conductor
Critical bend radius.
The radius of described first cylindrical roller bearing and the second cylindrical roller bearing can be identical or different, linear speed having the same
Degree.
Preferably, the radius of the described second cylindrical roller bearing is more than 15mm.
Preferably, the spacing between the described first cylindrical roller bearing and the second cylindrical roller bearing is adjustable, it is highly preferred that maximum
Adjustable spacing reaches 5mm.
A kind of equipment of processing superconductivity wire connector interfaces, including the first tablet and the second cylindrical roller bearing, described the
The axis of the surface of one tablet and the second cylindrical roller bearing is parallel to each other, first tablet and the second cylindrical roller bearing it
Between there is gap for being packed into second generation high temperature super conductive conductor, first tablet and the second cylindrical roller bearing are through control
So that the movement of first tablet is synchronous with the described second cylindrical rotation of roller bearing, and the movement velocity of first tablet
Identical as the described second cylindrical linear velocity of roller bearing, the first face of the close metallic substrates of second generation high temperature super conductive conductor is fixed
On first tablet, the second face of the close superconducting layer of second generation high temperature super conductive conductor is fixed on the described second cylindrical rolling
On axis, the radius of the described second cylindrical roller bearing is more than the critical bend radius of second generation high temperature super conductive conductor.
Preferably, the radius of the described second cylindrical roller bearing is more than 15mm.
Preferably, the spacing between first tablet and the second cylindrical roller bearing is adjustable, it is highly preferred that adjustable maximum
Away from reaching 5mm.
A method of superconductivity wire connector interfaces being processed using the equipment, is included the following steps：
S1) intercept one section of preferred length be 10-100mm, the second generation high temperature super conductive conductor that width is 4-12mm；
S2) in one end of superconductivity wire, conducting wire is separated into preferably 1-5mm along the interface between transition zone and superconducting layer
Length；
S3 the first face of superconductivity wire) is fixed on the first cylindrical roller surface, the second face of superconductivity wire is fixed on
The surface of second cylindrical roller bearing；
S4) adjust the first cylindrical roller bearing and the second cylindrical roller bearing spacing it is identical with superconductivity wire thickness, rotate the
Second cylindrical roller bearing of one cylindrical roller bearing sum, makes superconductivity wire be kept completely separate along the interface of transition zone and superconducting layer；
S5) part where being fixed on the superconducting layer of the second cylindrical roller surface is removed, to obtain connector.
Preferably, in step S1) in, the width of 0.1-0.5mm is cut off respectively in the both sides of superconductivity wire.Band both sides
The combination of marginal position, each layer is relatively close, so cutting off this both sides can separate in favor of the complete of band.
The second-generation high-temperature superconductor has silver layer between the enhancement layer on the outside of metallic substrates and metallic substrates, excellent
Selection of land, in step S3) it is further comprising the steps of before：
The silver layer is completely separated together with enhancement layer and metallic substrates, only retains the part containing metallic substrates, as
The material of following process.
Step S3) in, all standing or the fixed form of segmentation can be taken to fix the first face and/or second of superconductivity wire
Face, using with twin fixed guide-vane effect glue or be fixed in a manner of being mechanically fixed, it is preferable that only in superconducting layer and mistake
It crosses at layer separation and fixes the second face.
A method of superconductivity wire connector interfaces being processed using the equipment, is included the following steps：
S1) intercept one section of preferred length be 10-100mm, the second generation high temperature super conductive conductor that width is 4-12mm；
S2) in one end of superconductivity wire, conducting wire is separated into preferably 1-5mm along the interface between transition zone and superconducting layer
Length；
S3 the first face of superconductivity wire) is fixed on the first planar surface, the second face of superconductivity wire is fixed on the second circle
The surface of cylindricality roller bearing；
S4 it is identical as superconductivity wire thickness as the spacing of the first tablet) to adjust the second cylindrical roller bearing, rotates the second cylinder
It moves synchronously the first tablet while shape roller bearing, superconductivity wire is made to be kept completely separate along the interface of transition zone and superconducting layer；
S5) part where being fixed on the superconducting layer of the second cylindrical roller surface is removed, to obtain connector.
A method of two superconductivity wire ports of connection include the following steps：
S1) using the method for the processing superconductivity wire connector interfaces, enhancement layer, silver-colored stabilized zone with stacking are obtained
With the superconduction connector of superconducting layer；
S2) end of two superconductivity wires connected to needs carries out silver layer corrosion treatment to expose superconducting layer surface；
S3) end of two superconductivity wires is placed adjacent, welding metal substrate realizes mechanical connection；
S4 superconduction connector) is covered on the superconducting layer of two superconductivity wires, and is wrapped using silver foil；
S5) low oxygen partial pressure atmosphere with carry out, at being mutually heat-treated, making superconduction connector and superconductivity wire under mechanical pressurization
The interface of superconducting layer generates RE, Ba and Cu oxide phase；
S6 oxygenation heat treatment) is carried out under high keto sectional pressure atmosphere, RE, Ba and Cu oxide is made mutually to have superconducting property, to realize
Superconduction connects between superconduction connector and the superconducting layer of superconductivity wire；
S7) removal package silver foil obtains the new superconductivity wire for completing connection.
Beneficial effects of the present invention：
The present invention provides it is a kind of obtain two generation high temperature super conductive conductors connector device and method, can effectively, can
It leans on, be achieved at low cost acquisition connector.The method splitting removal of the present invention is unfavorable for the metallic substrates and transition zone of oxygen diffusion,
It can be well applied to superconduction as superconduction connector with silver-colored stabilized zone (can also include enhancement layer) using remaining superconducting layer and lead
The fields such as wire terminal.The roller bearing used in the present invention the advantage is that, the radius of roller bearing is big come the method for cleaving separation superconducting layer
In the critical bend radius of superconductor, superconducting layer would not be destroyed since bending force is excessive during splitting in this way.
Meanwhile the roller bearing up and down or roller bearing and straight panel operated synchronously, making superconducting layer, stress separates simultaneously with transition zone, is not in cunning
It moves phenomenon and by tangential force, would not also destroy superconducting layer.Therefore just obtaining superconductivity is kept for good two generation high
Temperature superconductive material, with superconducting layer, silver-colored stabilized zone and reinforcement structure (or not having reinforcement structure), one of purposes is exactly
Connector for connecting two conducting wires.The connector that the present invention obtains is no or is less destroyed by external force, keeps excellent
Good superconductivity can be used for realizing the superconduction connection of two superconductivity wires, have good superconductivity in joint, can
Realize good transmission high current.
In an advantageous embodiment, it is adjusted, can be operated synchronously, the identical roller bearing of diameter with two gaps,
Not only it avoided superconducting layer from being destroyed by tangential force, but also it is avoided to be destroyed by the too small bending force of radius.Gap is adjustable, can reach
Gap size is consistent with conductor thickness, avoids the vertical stress of conducting wire excessive, while ensureing that the conducting wire of contact point can be close to roller bearing, no
Sliding damage superconducting layer occurs.
Description of the drawings
Fig. 1 is the structural schematic diagram of the two generation high temperature super conductive conductors used in the embodiment of the present invention one；
Fig. 2 is the processing for separating an osculum before the two generation high temperature super conductive conductors splitting used in the embodiment of the present invention one
Schematic diagram；
Fig. 3 is shown using what one section of two generation high temperature super conductive conductor of double rolling shaft structures pair was cleaved in the embodiment of the present invention one
It is intended to；
Fig. 4 is shown using what one section of two generation high temperature super conductive conductor of double rolling shaft structures pair was cleaved in the embodiment of the present invention one
The left view of intention；
Fig. 5 is cleaved using one section of two generation high temperature super conductive conductor of roller bearing and straight panel structure pair in the embodiment of the present invention one
Schematic diagram；
Fig. 6 is cleaved using one section of two generation high temperature super conductive conductor of roller bearing and straight panel structure pair in the embodiment of the present invention one
Left view schematic diagram
Fig. 7 is the structural schematic diagram of the second generation high temperature super conductive conductor used in embodiment three
Fig. 8 is the schematic diagram of the second generation high temperature super conductive conductor connector in the embodiment of the present invention four.
Specific implementation mode
It elaborates below to embodiments of the present invention.It should be noted that following the description is only exemplary,
The range being not intended to be limiting of the invention and its application.
The connector obtained in the embodiment of the present invention is one section and is obtained from the second generation high temperature super conductive conductor prepared
The combination of the superconducting layer, silver layer, copper protective layer that obtain.
Referring to Fig. 3 to Fig. 4, a kind of equipment of processing superconductivity wire connector interfaces, including the first cylindrical roller bearing and the
The axis of two cylindrical roller bearings, the described first cylindrical roller bearing and the second cylindrical roller bearing is parallel to each other, and described first is cylindrical
There is the gap for being packed into second generation high temperature super conductive conductor, first cylinder between roller bearing and the second cylindrical roller bearing
Shape roller bearing and the second cylindrical roller bearing are through controlling rotation and linear velocity having the same in the opposite direction, second generation high temperature
First face of the close metallic substrates of superconductivity wire is fixed on the described first cylindrical roller bearing, second generation high temperature super conductive conductor
It is fixed on the described second cylindrical roller bearing close to the second face of superconducting layer, the radius of the described second cylindrical roller bearing is more than second
For the critical bend radius of high temperature super conductive conductor.
The radius of described first cylindrical roller bearing and the second cylindrical roller bearing can be identical or different, linear speed having the same
Degree.
In a preferred embodiment, the radius of the described second cylindrical roller bearing is more than 15mm.
In a preferred embodiment, the spacing between the described first cylindrical roller bearing and the second cylindrical roller bearing is adjustable, more
Preferably, maximum adjustable spacing reaches 5mm.
Referring to Fig. 5 to Fig. 6, a kind of equipment of processing superconductivity wire connector interfaces, including the first tablet and the second cylinder
The axis of shape roller bearing, the surface of first tablet and the second cylindrical roller bearing is parallel to each other, first tablet and described the
There is the gap for being packed into second generation high temperature super conductive conductor, first tablet and second circle between two cylindrical roller bearings
Cylindricality roller bearing is through controlling so that the movement of first tablet is synchronous with the second cylinder rotation of roller bearing, and described first
The movement velocity of tablet is identical as the described second cylindrical linear velocity of roller bearing, the close Metal Substrate of second generation high temperature super conductive conductor
First face at bottom is fixed on first tablet, and the second face of the close superconducting layer of second generation high temperature super conductive conductor is fixed on institute
It states on the second cylindrical roller bearing, the radius of the described second cylindrical roller bearing is more than the critical bends half of second generation high temperature super conductive conductor
Diameter.
In a preferred embodiment, the radius of the described second cylindrical roller bearing is more than 15mm.
In a preferred embodiment, the spacing between first tablet and the second cylindrical roller bearing is adjustable, it is highly preferred that
Maximum adjustable spacing reaches 5mm.
Embodiment one
The present embodiment will be described in conjunction with Fig. 1 to Fig. 4, and the structure of two generation high temperature super conductive conductors can be indicated with Fig. 1,
Including：Upper enhancement layer 1-1, silver-colored stabilized zone 1-2, superconducting layer 1-3, transition zone 1-4, metallic substrates 1-5, lower enhancement layer 1-6, dotted line
It is the position 1-7 that will be used to directly separate superconducting layer and transition zone in frame.Indicated in Fig. 2 the superconducting layer being directly separated with
Transition zone port.Cleaving process is as shown in Figure 3, Figure 4, and Fig. 3 includes upper roller bearing 3-1；Superconductivity wire 3-2 for splitting；Lower rolling
Axis 3-3.Fig. 4 is the left view of Fig. 3, and wherein 4-4 indicates the superconducting layer for cleaving out；4-5 indicates the transition zone for cleaving out.
A kind of processing method of superconductivity wire connector interfaces includes the following steps：
S1) interception one segment length be 10-100mm, the second generation high temperature super conductive conductor that width is 4-12mm；
S2) in one end of superconductivity wire, conducting wire is separated to the length of 1-5mm along the interface between transition zone and superconducting layer
Degree；
S3) where the metallic substrates of conducting wire first roller surface will be fixed on one side, where the superconducting layer of conducting wire
Another side is fixed on the surface of second roller bearing；
S4 the spacing for) adjusting two roller bearings is identical as conductor thickness, rotates two roller bearings, makes conducting wire along transition zone and surpasses
The interface of conducting shell is kept completely separate；
S5 step S3 will) be fixed on) part where the superconducting layer of second roller surface removes, removal damage portion
Position, obtains connector.
In step S1) in, during one section lead of interception the width of 0.1-0.5mm can be cut off respectively in its both sides, with
It is easy to subsequent splitting processing, in the operation for intercepting and cutting off, conducting wire is avoided in addition to other positions of incision are not by external force
Destroy the performance inside conducting wire.The combination of the marginal position of band both sides, each layer is relatively close, so cutting off this both sides can
Complete in favor of band separates.
Step S2) in can directly use the tools such as tweezers separate the end of conducting wire, electric iron can also be used to heat, office
The methods of domain bending makes end be easily separated.
Step S3) in can take all standing form fix conducting wire lower basal surface, fixation can also be segmented；It can adopt
It takes the form of all standing to fix the upper surface of conducting wire, fixation can also be segmented.The fixation of lower roller bearing and basal surface can use double
Face glue either other glue with twin fixed guide-vane effect fix upper roller bearing and upper surface fixation can use double faced adhesive tape or
Other glue with twin fixed guide-vane effect are fixed, and can also be fixed by the way of being mechanically fixed.Preferably, for convenience in step
Rapid S5) superconducting layer is removed, can only upper surface be fixed with the transition zone port place of separation in the superconducting layer of upper surface.
Step S3) in the roller bearing that the uses rotating speed when diameter is identical it is identical, when diameter difference, is adjusted according to rotating ratio, is ensured
Linear velocity is equal in magnitude.
Step S3) in the radius of roller bearing be more than the critical bend radius of second generation high temperature super conductive conductor, preferred roller bearing half
Diameter is more than 15mm.
Step S3) in roller bearing centre distance it is adjustable, gap minimum between two roller bearings can be 0mm, and maximum is greater than
The thickness of superconductivity wire, preferably 0~5mm.
Step S3) in, the roller bearing that equipment can also use two radiuses different, but need to control the rotation angle of two roller bearings
Speed keeps the linear velocity of two roller surfaces identical；Lower roller bearing could alternatively be the tablet of same effect, meet tablet and rolling
The gap of axis is adjustable, and preferably adjustable range is 0~5mm, and tablet is movable, and the direction of motion is synchronous with roller bearing, i.e. the speed of tablet
The size of degree is equal with the size of the linear velocity of roller bearing at contact point with direction with direction.
Step S3) in, superconducting layer is removed for convenience, usable diluent or other reagents dissolving glue, but the reagent
Superconducting layer cannot be destroyed.
Step S5) in, finally obtained superconduction connector can carry out plasma clean, ion beam bombardment, heat treatment,
The subsequent processings such as silver-plated improve surface quality or protection superconductivity.
Step S5) in, for finally obtained superconduction connector in liquid nitrogen temperature and from off field, critical current density is initial
50% or more of superconductivity wire, superconducting joint processing and the superconduction that can be applied to two second generation high temperature super conductive conductors are folded
Layer structure processing.
Embodiment two
The present embodiment combination Fig. 1, Fig. 2, Fig. 5, Fig. 6 are described, and a kind of processing of superconductivity wire connector interfaces and answer
Included the following steps with technology：
S1 the process equipment for) preparing a second generation high temperature super conductive conductor connector interfaces as described in claim 1, cuts
Take the second generation high temperature super conductive conductor that a segment length is 10-100mm, width is 4-12mm；
S2) in one end of superconductivity wire, conducting wire is separated to the length of 1-5mm along the interface between transition zone and superconducting layer
Degree；
S3) it will be fixed on planar surface, the another side where the superconducting layer of conducting wire on one side where the metallic substrates of conducting wire
It is fixed on the surface of roller bearing；
S4) adjust roller bearing and the spacing of tablet be identical with conductor thickness, rotate two roller bearings, make conducting wire along transition zone and
The interface of superconducting layer is kept completely separate；
S5 step S3 will) be fixed on) part where the superconducting layer of the roller surface removes, removes damaged location, obtain
To connector.
The above-mentioned steps of the present embodiment in the operating process of most of link and its parameter can be identical with embodiment one
's.
Fig. 5, Fig. 6 illustrate the superconductivity wire separation process of the present embodiment, and connection structure shown in fig. 5 includes：Roller bearing 5-
1；The superconductivity wire 5-2 being split；Tablet 5-3.Fig. 6 is the left view of Fig. 5, and wherein 5-4 indicates the superconduction for cleaving out
Layer；5-5 indicates the transition zone for cleaving out.
In step S6, it is preferable to use the cooperations by linear gear and spur gear for the movement of tablet.
Embodiment three
The present embodiment combination Fig. 7 is described, and Fig. 7 illustrates the structure of superconductivity wire used in the present embodiment, including：
Upper enhancement layer 7-1；Silver-colored stabilized zone 7-2；Superconducting layer 7-3；Transition zone 7-4；Metallic substrates 7-5；Lower silver layer 7-6；Lower enhancement layer 7-
7.Position 7-8 for tearing osculum.
A kind of processing and application of superconductivity wire connector interfaces, step include：
S1) prepare the process equipment of a second generation high temperature super conductive conductor connector interfaces, one segment length of interception is 10-
100mm, the second generation high temperature super conductive conductor that width is 4-12mm；
S2 the silver layer of lower surface and metallic substrates) be will be close to tweezers or other tools to separate, and be completely separated, only retained
Part containing metallic substrates, the material as following process；
S3) in one end of superconductivity wire, conducting wire is separated to the length of 1-5mm along the interface between transition zone and superconducting layer
Degree；
S4) where the metallic substrates of conducting wire first roller surface will be fixed on one side, where the superconducting layer of conducting wire
Another side is fixed on the surface of second roller bearing；
S5 the spacing for) adjusting two roller bearings is identical as conductor thickness, rotates two roller bearings, makes conducting wire along transition zone and surpasses
The interface of conducting shell is kept completely separate；
S6) part where being fixed on the superconducting layer of second roller surface is removed, damaged location is removed, obtains
Connector.
The above-mentioned steps of the present embodiment in the operating process of most of link and its parameter can be identical with embodiment one
's.
The process of silver layer and metallic substrates can also be removed under separation described in step S2, and the present embodiment preferably retains step
S2.The present embodiment is for the second-generation high-temperature superconductor with silver layer between metallic substrates and enhancement layer, wherein silver layer
It is smaller with the adhesion strength of metallic substrates, compared to being more prone to fall off, therefore transition zone and superconduction are affected in cleaving process
The separation of layer, therefore first detach silver layer with metallic substrates.
Lower roller bearing described in step S4 can also be substituted with tablet, the operating process phase of the step after replacement and embodiment two
Together.
Example IV
The present embodiment introduces a kind of specifically used example of superconduction connector, is mainly derived from Feng Feng, Qu Ti of Tsinghua University
Bright et al. research and utilization connector connects method (Feng Feng, Qu Timing, Fu Qishu, Lu's great aspirations, the Zhu Yu of two superconductivity wire ports
It puts down, Zhang Xiangsong, the method and the Guangdong structure [P] that superconduction connects between Han Zhenghe realization RE, Ba and Cu oxide high temperature super conductive conductors：
CN105390830A,2016-03-09.).Fig. 8 illustrates the structure of the present embodiment, including：8-1 enhancement layers；8-2 silver stabilized zones；
8-3 superconducting layers；8-4 transition zones；8-5 metallic substrates；8-6 enhancement layers；8-7 connectors contain enhancement layer, silver-colored stabilized zone, superconduction
Layer.
The specific steps of connection method include：
S1：Splitting processing is carried out to a superconductivity wire, is allowed to split along the interface between transition zone and superconducting layer, it will
Part including superconducting layer and silver-colored stabilized zone is as superconduction connector；
S2：To needing the end of two superconductivity wires connected to carry out silver layer corrosion treatment to expose superconducting layer surface；
S3：The end of two superconductivity wires is placed adjacent, welding metal substrate realizes mechanical connection；
S4：Superconduction connector is covered on the superconducting layer of two superconductivity wires, and is wrapped using silver foil；
S5：Low oxygen partial pressure atmosphere with carry out, at being mutually heat-treated, making superconduction connector and superconductivity wire under mechanical pressurization
The interface of superconducting layer generates RE, Ba and Cu oxide phase；
S6：Oxygenation heat treatment is carried out under high keto sectional pressure atmosphere, RE, Ba and Cu oxide is made mutually to have superconducting property, to realize
Superconduction connects between superconduction connector and the superconducting layer of superconductivity wire；
S7：Removal package silver foil, obtains the new superconductivity wire for completing connection.
Specific method can refer to CN105390830A.
In step s 6, the oxygenation time is also an important technical problem.Diffusion coefficient of the oxygen in silver than
Diffusion coefficient in superconducting layer is much bigger, that is, oxygen diffuses into the time in silver compared to the diffusion time in superconducting layer
It is one insignificant a small amount of.It is in the present embodiment the difference lies in that in the aerobic process introduced in CN105390830A, due to
There is no enhancement layer, oxygen that can enter from the top of silver layer, diffusing capacity is big, and contains reinforcement in the connector in the present embodiment
Layer, enhancement layer can use the higher materials of oxygen diffusion coefficients such as silver, copper, can also use the oxygen such as Hastelloy diffusion system
The lower material of number.When using the higher material of oxygen diffusion coefficient as enhancement layer, the diffusion path of oxygen will be for
The case where CN105390830A, wants larger；When using the lower material of oxygen diffusion coefficient as enhancement layer, it had been oxygenated
Oxygen is mainly without enhancement layer in journey, but mainly first enters then again in the c-axis side of superconducting layer from the diffusion of the surrounding of silver layer
To diffusing into superconducting layer.To sum up, the oxygenation time of method is longer during the present invention understands on the oxygenation time than CN105390830A.
But it since diffusion coefficient of the oxygen in silver is prodigious, even if oxygen is entered from the surrounding diffusion of silver, diffuses into
Area substantially reduce, diffusion time is also a smaller amount compared to diffusion time of the oxygen in superconducting layer, because
This is generally also to solve the problems, such as oxygenation overlong time to a certain extent.Simultaneously as the presence of enhancement layer, the present embodiment
In superconduction connector there is better mechanical performance, operation that can be more convenient.
The above content is combine it is specific/be preferably carried out the further description that mode is the present invention, cannot recognize
The specific implementation of the fixed present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs,
Without departing from the inventive concept of the premise, some replacements or modification can also be made to the embodiment that these have been described,
And these are substituted or variant all shall be regarded as belonging to protection scope of the present invention.
Claims (13)
1. a kind of equipment of processing superconductivity wire connector interfaces, which is characterized in that including the first cylindrical roller bearing and the second circle
The axis of cylindricality roller bearing, the described first cylindrical roller bearing and the second cylindrical roller bearing is parallel to each other, the described first cylindrical roller bearing
There is the gap for being packed into second generation high temperature super conductive conductor, the described first cylindrical rolling between the second cylinder roller bearing
Axis and the second cylindrical roller bearing are through controlling rotation and linear velocity having the same in the opposite direction, second generation high-temperature superconductor
First face of the close metallic substrates of conducting wire is fixed on the described first cylindrical roller bearing, second generation high temperature super conductive conductor it is close
Second face of superconducting layer is fixed on the described second cylindrical roller bearing, and the radius of the described second cylindrical roller bearing is more than second generation height
The critical bend radius of temperature superconductive conducting wire.
2. the equipment of processing superconductivity wire connector interfaces as described in claim 1, which is characterized in that described first is cylindrical
The radius of roller bearing and the second cylindrical roller bearing is identical or different.
3. the equipment of processing superconductivity wire connector interfaces as claimed in claim 2, which is characterized in that described second is cylindrical
The radius of roller bearing is more than 15mm.
4. the equipment of processing superconductivity wire connector interfaces as claimed in claim 2, which is characterized in that described first is cylindrical
Spacing between roller bearing and the second cylindrical roller bearing is adjustable.
5. the equipment of processing superconductivity wire connector interfaces as claimed in claim 2, which is characterized in that described first is cylindrical
The adjustable spacing of maximum between roller bearing and the second cylindrical roller bearing reaches 5mm.
6. a kind of method using such as equipment described in any one of claim 1 to 5 processing superconductivity wire connector interfaces, special
Sign is, includes the following steps：
S1 one section of second generation high temperature super conductive conductor) is intercepted；
S2) in one end of superconductivity wire, conducting wire is separated along the interface between transition zone and superconducting layer；
S3 the first face of superconductivity wire) is fixed on the first cylindrical roller surface, the second face of superconductivity wire is fixed on second
The surface of cylindrical roller bearing；
S4) adjust the first cylindrical roller bearing and the second cylindrical roller bearing spacing it is identical with superconductivity wire thickness, rotation first is justified
The cylindrical roller bearing of the second of cylindricality roller bearing sum, makes superconductivity wire be kept completely separate along the interface of transition zone and superconducting layer；
S5) part where being fixed on the superconducting layer of the second cylindrical roller surface is removed, to obtain connector.
7. as claimed in claim 6 processing superconductivity wire connector interfaces method, which is characterized in that step S1) in interception
The second generation high temperature super conductive conductor that length is 10-100mm, width is 4-12mm；
Step S2) in conducting wire is separated to the length of 1-5mm.
8. the method for processing superconductivity wire connector interfaces as claimed in claim 6, which is characterized in that in step S1) in,
The both sides of superconductivity wire cut off the width of 0.1-0.5mm respectively.
9. the method for processing superconductivity wire connector interfaces as claimed in claim 6, which is characterized in that the second generation high temperature
Superconductivity wire has silver layer between the enhancement layer on the outside of metallic substrates and metallic substrates, in step S3) further include before following
Step：
The silver layer is completely separated together with enhancement layer and metallic substrates, only retains the part containing metallic substrates, as follow-up
The material of processing.
10. as claimed in claim 8 processing superconductivity wire connector interfaces method, which is characterized in that step S3) in take
All standing or the fixed form of segmentation fix the first face and/or the second face of superconductivity wire, using with twin fixed guide-vane effect
Glue is fixed in a manner of being mechanically fixed.
11. a kind of method for processing superconductivity wire connector interfaces using equipment, which is characterized in that the equipment includes first flat
The axis of plate and the second cylindrical roller bearing, the surface of first tablet and the second cylindrical roller bearing is parallel to each other, and described first
There is the gap for being packed into second generation high temperature super conductive conductor, first tablet between tablet and the second cylindrical roller bearing
With the described second cylindrical roller bearing through controlling so that the movement and the rotation of the described second cylindrical roller bearing of first tablet are same
Step, and the movement velocity of first tablet is identical as the described second cylindrical linear velocity of roller bearing, second generation high-temperature superconductor is led
First face of the close metallic substrates of line is fixed on first tablet, the close superconducting layer of second generation high temperature super conductive conductor
Second face is fixed on the described second cylindrical roller bearing, and the radius of the described second cylindrical roller bearing is led more than second generation high-temperature superconductor
The critical bend radius of line, the described method comprises the following steps：
S1 one section of second generation high temperature super conductive conductor) is intercepted；
S2) in one end of superconductivity wire, conducting wire is separated along the interface between transition zone and superconducting layer；
S3 the first face of superconductivity wire) is fixed on the first planar surface, the second face of superconductivity wire is fixed on the second cylinder
The surface of roller bearing；
S4 it is identical as superconductivity wire thickness as the spacing of the first tablet) to adjust the second cylindrical roller bearing, the cylindrical rolling of rotation second
It moves synchronously the first tablet while axis, superconductivity wire is made to be kept completely separate along the interface of transition zone and superconducting layer；
S5) part where being fixed on the superconducting layer of the second cylindrical roller surface is removed, to obtain connector.
12. the method for processing superconductivity wire connector interfaces as claimed in claim 11, which is characterized in that
Step S1) in intercepted length is 10-100mm, width is 4-12mm second generation high temperature super conductive conductor；
Step S2) in conducting wire is separated to the length of 1-5mm.
13. a method of two superconductivity wire ports of connection, which is characterized in that include the following steps：
S1 the method for) using any one of claim 6 to 11 processing superconductivity wire connector interfaces, obtains with stacking
The superconduction connector of enhancement layer, silver-colored stabilized zone and superconducting layer；
S2) end of two superconductivity wires connected to needs carries out silver layer corrosion treatment to expose superconducting layer surface；
S3) end of two superconductivity wires is placed adjacent, welding metal substrate realizes mechanical connection；
S4 superconduction connector) is covered on the superconducting layer of two superconductivity wires, and is wrapped using silver foil；
S5) make the superconduction of superconduction connector and superconductivity wire at being mutually heat-treated with progress under mechanical pressurization in low oxygen partial pressure atmosphere
The interface of layer generates RE, Ba and Cu oxide phase；
S6 oxygenation heat treatment) is carried out under high keto sectional pressure atmosphere, RE, Ba and Cu oxide is made mutually to have superconducting property, to realize superconduction
Superconduction connects between connector and the superconducting layer of superconductivity wire；
S7) removal package silver foil obtains the new superconductivity wire for completing connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610966455.8A CN106356692B (en) | 2016-10-28 | 2016-10-28 | A kind of device and method of processing superconductivity wire connector interfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610966455.8A CN106356692B (en) | 2016-10-28 | 2016-10-28 | A kind of device and method of processing superconductivity wire connector interfaces |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106356692A CN106356692A (en) | 2017-01-25 |
| CN106356692B true CN106356692B (en) | 2018-10-16 |
Family
ID=57865219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610966455.8A Active CN106356692B (en) | 2016-10-28 | 2016-10-28 | A kind of device and method of processing superconductivity wire connector interfaces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106356692B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2565839A (en) * | 2017-08-25 | 2019-02-27 | Tokamak Energy Ltd | Superconducting joint using exfoliated ReBCO |
| CN110491668B (en) * | 2019-08-20 | 2021-01-29 | 清华大学 | Method for winding superconducting coil by using delaminating superconducting strip |
| CN110581015B (en) * | 2019-08-20 | 2021-01-29 | 清华大学 | Method for stacking superconducting magnets by using delaminated superconducting tapes |
| US11581133B2 (en) | 2019-08-27 | 2023-02-14 | Hefei Institutes Of Physical Science, Chinese Academy Of Sciences | Inter-layer transition forming machine for winding of large-sized superconducting coils |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4845040B2 (en) * | 2007-03-20 | 2011-12-28 | 古河電気工業株式会社 | Thin film superconducting wire connection method and connection structure thereof |
| CN103456689B (en) * | 2013-08-13 | 2015-02-25 | 京东方科技集团股份有限公司 | Device for separating flexible substrate from glass substrate and production device |
| US9427949B2 (en) * | 2013-12-03 | 2016-08-30 | Semiconductor Energy Laboratory Co., Ltd. | Peeling apparatus and stack manufacturing apparatus |
| JP2015185569A (en) * | 2014-03-20 | 2015-10-22 | 富士フイルム株式会社 | Peeling method, support substrate with adhesive layer, and peeling device |
| CN105390902B (en) * | 2015-12-07 | 2019-03-01 | 清华大学深圳研究生院 | A kind of superconducting joint production method for RE, Ba and Cu oxide high temperature super conductive conductor |
| CN105390830B (en) * | 2015-12-07 | 2017-11-17 | 清华大学深圳研究生院 | Realize the method and structure that superconduction connects between RE, Ba and Cu oxide high temperature super conductive conductor |
-
2016
- 2016-10-28 CN CN201610966455.8A patent/CN106356692B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106356692A (en) | 2017-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106356692B (en) | A kind of device and method of processing superconductivity wire connector interfaces | |
| EP1639609B1 (en) | Novel superconducting articles | |
| US7774035B2 (en) | Superconducting articles having dual sided structures | |
| JP6873320B2 (en) | Laminated high-temperature superconducting wire with increased engineering current density | |
| CA2768516C (en) | Superconducting article with prefabricated nanostructure for improved flux pinning | |
| CN102306702B (en) | Method suitable for continuously preparing high-temperature superconductive belt material | |
| JP5154953B2 (en) | Superconducting articles with low density characteristics | |
| Miura et al. | Strong flux pinning at 4.2 K in SmBa2Cu3Oy coated conductors with BaHfO3 nanorods controlled by low growth temperature | |
| EP1479111B1 (en) | Improved superconductors and methods for making such superconductors | |
| CN110205602A (en) | A kind of film plating process growing second-generation high-temperature superconductor barrier layer composite membrane | |
| Ha et al. | Fabrication of 1 m long multi layered superconducting coated conductor with high engineering critical current density | |
| CN102251219B (en) | Multichannel laser deposition method for preparing YSZ buffer layer | |
| WO2008048330A2 (en) | A superconducting article and method of forming a superconducting article | |
| Yang et al. | An advanced electrical heating technique for double-sided Y (Gd) BCO coated conductor: gaining high engineering current density based on MOCVD | |
| Panth et al. | The benefit of Ca in improving pinning of BaZrO3-Y2O3 doubly-doped YBa2Cu3O7-x/Ca0. 3Y0. 7Ba2Cu3O7-x multilayer nanocomposite films | |
| US20070232500A1 (en) | Superconductor components | |
| CN1687998A (en) | Superconductive cable assembly and preparing process thereof | |
| CN115171974B (en) | Copper alloy reinforced superconducting tape, reinforcing method, superconducting coil and superconducting cable | |
| Masur et al. | Industrial HTS conductors: Status and applications | |
| Paranthaman | 2. Technical Progress in Wire Development | |
| CN117080765A (en) | REBCO tape superconducting joint and preparation method thereof | |
| Iijima | WB1-1-INV | |
| Puig et al. | WB1-1-INV |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |