JPS60175383A - Method of connecting superconductive lead - Google Patents
Method of connecting superconductive leadInfo
- Publication number
- JPS60175383A JPS60175383A JP3125184A JP3125184A JPS60175383A JP S60175383 A JPS60175383 A JP S60175383A JP 3125184 A JP3125184 A JP 3125184A JP 3125184 A JP3125184 A JP 3125184A JP S60175383 A JPS60175383 A JP S60175383A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- bronze
- filament
- twisted
- filaments
- 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.)
- Pending
Links
Landscapes
- Manufacturing Of Electrical Connectors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 技術分野 この発明はＮｂ３Ｓｎ超電導線の接続方法に関する。[Detailed description of the invention] Technical field The present invention relates to a method for connecting Nb3Sn superconducting wires.
従来技術
Ｎｔ＋、Ｓｎ超電導線として第１図に示すようなＮｂフ
ィラメント１を複数本ブロンズパイプ２内に集束してＮ
ｌｌフィラメント１の外周にＮｂ３Ｓｎ層３を形成して
なる導体セグメント４を複数本第２図に示すようにＣｕ
パイプ５内で集束した多芯Ｎｉ１３Ｓｌ＋超電導線６が
提案されている。Conventional technology Nt+, Sn superconducting wire is made by focusing a plurality of Nb filaments 1 as shown in FIG. 1 in a bronze pipe 2.
As shown in FIG.
A multicore Ni13Sl+superconducting wire 6 bundled within a pipe 5 has been proposed.
この種の多芯型Ｎｂ３Ｓｎ超電導線６を接続する方法と
しては従来は１つの超電導線のＣＬＩパイプ５−１と他
の超電導線のＣｕパイプ５−２とを第３図に示すように
撚り合わせて、熱処理し、その後ハング付けまたはハン
ダ含浸させて２つの超電導線を相互に接続していた。Conventionally, as a method for connecting this kind of multicore Nb3Sn superconducting wire 6, a CLI pipe 5-1 of one superconducting wire and a Cu pipe 5-2 of another superconducting wire are twisted together as shown in FIG. The two superconducting wires were then heat treated and then hung or impregnated with solder to interconnect the two superconducting wires.
この従来の接続方法では各Ｎｂ３Ｓｎ導体（１，３）と
の間にブロンズ、Ｃｕハンダという常電導部分があり、
特にブロンズの電気抵抗が大きいために抵抗の小さい接
続をすることができなかった。In this conventional connection method, there is a normally conducting part called bronze and Cu solder between each Nb3Sn conductor (1, 3).
In particular, since bronze has a high electrical resistance, it was not possible to make connections with low resistance.
発明の目的
この発明の目的は上述の欠点を除くためになされたもの
であって、多芯Ｎｌ］、Ｓｎ超電導線を低抵抗で接続し
得る接続方法を提供することを目的とするものである。Purpose of the Invention The purpose of the present invention was to eliminate the above-mentioned drawbacks, and it is an object of the present invention to provide a connection method capable of connecting multi-core Nl], Sn superconducting wires with low resistance. .
■Ｕ 以下にこの発明の一実施例を図面とともに説明する。■U An embodiment of the present invention will be described below with reference to the drawings.
第４図に示すように、第２図と同、様の多芯Ｎｂ５Ｓｒ
ｕｌｆｊ電導線６のＣｕ導体５（５−１，５−２で示す
）と各セグメントのブロンズ２とを硝酸等で溶解し、所
定長のＮ１〕フイラメント１を露出させる。As shown in Fig. 4, the same multi-core Nb5Sr as in Fig. 2 is used.
The Cu conductor 5 (indicated by 5-1 and 5-2) of the ULFJ conductive wire 6 and the bronze 2 of each segment are dissolved with nitric acid or the like to expose a predetermined length of the N1] filament 1.
そして、２本の多芯Ｎｂ、Ｓｎ超電導線６の露出したＮ
１〕フイラメント１を第５図に示すように相互に撚り合
わせた後、第６図に示すように、そのＣｕパイプ５−１
．５−２の先端部分から上記Ｎ１〕フイラメント１を含
む部分をブロンズパイプ１０で被覆する。Then, the exposed N of the two multicore Nb, Sn superconducting wires 6
1] After twisting the filaments 1 together as shown in FIG. 5, the Cu pipe 5-1 is twisted as shown in FIG.
．． The portion including the filament 1 (N1) from the tip of 5-2 is covered with a bronze pipe 10.
その後、ブロンズパイプ１０を上記接続部分で圧縮した
後熱処理し、ブロンズパイプ１０と撚り合わされたＮｂ
フィラメント１の外周との間にＮ １）３Ｓ１１層を形
成する。After that, the bronze pipe 10 is compressed at the connection part and then heat treated, and the Nb is twisted with the bronze pipe 10.
A N1)3S11 layer is formed between the filament 1 and the outer periphery.
なお、Ｎｂフィラメントを撚１）合わすのは、各々の導
体のフィラメント１本ずつどうしを撚り合わすのが望ま
しいが、多数本まとめて撚ってもよい。It should be noted that while it is preferable to twist the Nb filaments 1) by twisting one filament of each conductor together, it is also possible to twist a large number of filaments together.
また、ブロンズパイプをかぶせる際は、できるだけ多く
のＮｂフィラメントがブロンズ面に接触できる様にする
。Also, when covering the bronze pipe, make sure that as much Nb filament as possible can come into contact with the bronze surface.
多数本のＮｂフィラメントがある場合には、例えば第７
図に示す様にＮｂフィラメント層の間にブロンズ棒２０
を追加してもよい。さらに５ｎＲｉｃｈ Ｃｕ合金をＮ
ｂフィラメント撚の周囲に追加してＳｎを補給するよう
にしてもよい。If there are many Nb filaments, for example, the seventh
A bronze rod 20 is placed between the Nb filament layers as shown in the figure.
may be added. Furthermore, 5nRich Cu alloy is added to N
Sn may be added around the b-filament twist to supply it.
動床
以上のように、この発明によればＮｂフィラメント相互
が直接に接続され、撚り合わされたＮ１）３Ｓｎ層が形
成され、全電流は二のＮ１）３Ｓ１１層に流入し、かつ
このＮ ｂ３Ｓ ｎｗＪから流出するので非常に低抵抗
の接続部を得ることができる。As described above, according to the present invention, the Nb filaments are directly connected to each other to form a twisted N1)3Sn layer, and the entire current flows into the second N1)3S11 layer, and this N b3S nwJ A connection with very low resistance can be obtained.
第１図は多芯１１ｂ３Ｓｎフイラメントの１本のセグメ
ントの構成を示す断面図、第２図は多芯Ｎｂ。
Ｓｎ超電導線の一例を示す断面図、第３図は従来の撚り
合わせ方法を示す図、第４図ないし第６図はこの発明の
超電導線の接続方法の一実施例を工程順に示す図、第７
図はこの発明の変形例を示す図である。
１・・・Ｎｂフィラメント、２・・・ブロンズパイプ、
４・・・セグメント、５．５−１．５−２・・・Ｃｕパ
イプ、１０・・・ブロンズパイプ。
特許出願人 １を友電気工業株式会社
代理人弁理士青山 葆外１名
第２図 第１図
第３図
第７図FIG. 1 is a sectional view showing the structure of one segment of a multi-core 11b3Sn filament, and FIG. 2 is a multi-core Nb filament. 3 is a cross-sectional view showing an example of a Sn superconducting wire; FIG. 3 is a diagram showing a conventional twisting method; FIGS. 7
The figure shows a modification of the invention. 1...Nb filament, 2...bronze pipe,
4... Segment, 5.5-1.5-2... Cu pipe, 10... Bronze pipe. Patent Applicant 1: Yudenki Kogyo Co., Ltd. Representative Patent Attorney Aoyama Sogai 1 Figure 2 Figure 1 Figure 3 Figure 7
Claims (1)
したセグメントをＣｕパイプ内に集束した多芯Ｎｂ３
Ｓ ｎ超電導線を相互に接続するに際し、所定長のＣｕ
パイプ、ブロンズパイプを削除して後、相互に接続すベ
ト超電導線の各Ｎｔ１フィラメントどうしを１目互に撚
り合わせた後、この撚り合わせ部分をブロンズパイプで
覆い圧縮し、さらに撚り合わせた部分の周囲にＮｂ、Ｓ
ｎ層を形成するように熱処理することを特徴とする超電
導線の接続方法。(1) Multicore Nb3 in which segments of Nl+ and Sn superconductors are bundled in a bronze pipe and are bundled in a Cu pipe.
When connecting Sn superconducting wires to each other, a predetermined length of Cu
After removing the pipe and bronze pipe, each Nt1 filament of the superconducting wire to be connected to each other is twisted together, and the twisted part is covered with a bronze pipe and compressed, and then the twisted part is Nb, S around
A method for connecting superconducting wires, the method comprising heat-treating to form an n-layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3125184A JPS60175383A (en) | 1984-02-20 | 1984-02-20 | Method of connecting superconductive lead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3125184A JPS60175383A (en) | 1984-02-20 | 1984-02-20 | Method of connecting superconductive lead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60175383A true JPS60175383A (en) | 1985-09-09 |
Family
ID=12326139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3125184A Pending JPS60175383A (en) | 1984-02-20 | 1984-02-20 | Method of connecting superconductive lead |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60175383A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6355875A (en) * | 1986-08-26 | 1988-03-10 | 株式会社東芝 | Method of jointing superconducting wire |
| JPS6433871A (en) * | 1987-07-28 | 1989-02-03 | Toshiba Corp | Connecting method for compound superconductive cable |
| WO2012029480A1 (en) * | 2010-08-30 | 2012-03-08 | 矢崎総業株式会社 | Method for joining wire terminals |
| CN102971911A (en) * | 2010-07-05 | 2013-03-13 | 矢崎总业株式会社 | Connecting structure and connecting method of insulated wires |
| WO2019228698A1 (en) * | 2018-05-30 | 2019-12-05 | Siemens Healthcare Limited | Superconducting joints |
| JP2020161282A (en) * | 2019-03-26 | 2020-10-01 | 三菱電機株式会社 | Superconducting wire connection structure and superconducting wire connection method |
-
1984
- 1984-02-20 JP JP3125184A patent/JPS60175383A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6355875A (en) * | 1986-08-26 | 1988-03-10 | 株式会社東芝 | Method of jointing superconducting wire |
| JPS6433871A (en) * | 1987-07-28 | 1989-02-03 | Toshiba Corp | Connecting method for compound superconductive cable |
| RU2526025C1 (en) * | 2010-07-05 | 2014-08-20 | Язаки Корпорейшн | Structure for connection and method for connection of insulated wires |
| US9159474B2 (en) | 2010-07-05 | 2015-10-13 | Yazaki Corporation | Connecting structure and connecting method of insulated wires |
| CN102971911A (en) * | 2010-07-05 | 2013-03-13 | 矢崎总业株式会社 | Connecting structure and connecting method of insulated wires |
| CN103081260A (en) * | 2010-08-30 | 2013-05-01 | 矢崎总业株式会社 | Method for joining wire terminals |
| KR101492750B1 (en) * | 2010-08-30 | 2015-02-11 | 야자키 소교 가부시키가이샤 | Method for joining wire ends |
| RU2543496C2 (en) * | 2010-08-30 | 2015-03-10 | Язаки Корпорейшн | Connection method of wire ends |
| WO2012029480A1 (en) * | 2010-08-30 | 2012-03-08 | 矢崎総業株式会社 | Method for joining wire terminals |
| US9236701B2 (en) | 2010-08-30 | 2016-01-12 | Yazaki Corporation | Method for joining wire ends |
| WO2019228698A1 (en) * | 2018-05-30 | 2019-12-05 | Siemens Healthcare Limited | Superconducting joints |
| CN112204682A (en) * | 2018-05-30 | 2021-01-08 | 西门子医疗有限公司 | Superconducting joint |
| JP2021526296A (en) * | 2018-05-30 | 2021-09-30 | シーメンス ヘルスケア リミテッドＳｉｅｍｅｎｓ Ｈｅａｌｔｈｃａｒｅ Ｌｉｍｉｔｅｄ | Superconducting connection |
| GB2574210B (en) * | 2018-05-30 | 2022-09-28 | Siemens Healthcare Ltd | Superconducting joints |
| CN112204682B (en) * | 2018-05-30 | 2022-12-09 | 西门子医疗有限公司 | Superconducting joint |
| US11769615B2 (en) | 2018-05-30 | 2023-09-26 | Siemens Healthcare Limited | Superconducting joints |
| JP2020161282A (en) * | 2019-03-26 | 2020-10-01 | 三菱電機株式会社 | Superconducting wire connection structure and superconducting wire connection method |
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