JP2597551B2 - Superconducting stranded wire - Google Patents
Superconducting stranded wireInfo
- Publication number
- JP2597551B2 JP2597551B2 JP61154984A JP15498486A JP2597551B2 JP 2597551 B2 JP2597551 B2 JP 2597551B2 JP 61154984 A JP61154984 A JP 61154984A JP 15498486 A JP15498486 A JP 15498486A JP 2597551 B2 JP2597551 B2 JP 2597551B2
- Authority
- JP
- Japan
- Prior art keywords
- superconducting
- wire
- stranded wire
- resin
- insulating material
- 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.)
- Expired - Lifetime
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
Landscapes
- Superconductors And Manufacturing Methods Therefor (AREA)
Description
【発明の詳細な説明】 〔発明の目的〕 (産業上の利用分野) 本発明は、エナメル絶縁を施した複数の超電導素線を
撚り合わせ磁場が激しく変動する超電導のパルスマグネ
ットや交流コイルなどに用いる超電銅撚線に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial application field) The present invention relates to a superconducting pulse magnet or AC coil in which a plurality of enamel-insulated superconducting wires are twisted and the magnetic field fluctuates drastically. It relates to a superconducting copper stranded wire used.
(従来の技術) 従来の超電導撚線について第5図および第6図を参照
して説明する。なお、この種の超電導撚線としては、例
えばH.W.Nemuler,“Losses in superconducting Mult
ifilamentary Roebel Bars",IEEE trans,MAGG-17,P2274
(1981)が知られている。第5図は、複数の超電導素線
(1)を撚り合わせた超電導撚線を示し、第6図は第5
図に記した直線VI-VI部分の超電導撚線の断面図を示
す。超電導素線(1)は導体(2)の表面にエナメル絶
縁(3)を施したものである。また、導体(2)は複数
のNbTi極細線(4)を銅のマトリックス(5)に埋め込
んだものであり、ツイストしたものである。(Prior Art) A conventional superconducting twisted wire will be described with reference to FIGS. 5 and 6. FIG. As this type of superconducting stranded wire, for example, HW Nemuler, “Losses in superconducting Mult.
ifilamentary Roebel Bars ", IEEE trans, MAGG-17, P2274
(1981) is known. FIG. 5 shows a superconducting stranded wire obtained by twisting a plurality of superconducting wires (1), and FIG.
The sectional view of the superconducting stranded wire of the straight line VI-VI portion shown in the figure is shown. The superconducting element wire (1) is obtained by applying enamel insulation (3) on the surface of a conductor (2). The conductor (2) is obtained by embedding a plurality of NbTi ultrafine wires (4) in a copper matrix (5) and twisting them.
このように超電導撚線は複数の超電導素線(1)を撚
り合わせたものであるため、磁場の変動によって導体
(2)に発生する渦電流損が小さくなり、またNbTi極細
線(4)を破損せずに導体(2)を短いピッチでツイス
トできることにより導体(2)の交流損失が小さくな
る。As described above, since the superconducting stranded wire is formed by twisting a plurality of superconducting wires (1), the eddy current loss generated in the conductor (2) due to the fluctuation of the magnetic field is reduced, and the NbTi ultrafine wire (4) is used. Since the conductor (2) can be twisted at a short pitch without being damaged, the AC loss of the conductor (2) is reduced.
(発明が解決しようとする問題点) 上記のような超電導撚線では、隣接した超電導素線
(1)が擦れた時の発熱により超電導状態は常電導状態
に転移する危険がある。これを防ぐために超電導撚線を
コイルに成形した後、コイルに樹脂を含浸して固めるこ
とにより超電導素線(1)が擦れないようにする方法が
ある。しかし、コイルの製造工程に樹脂の含浸工程が加
わる問題がある。(Problems to be Solved by the Invention) In the superconducting twisted wire as described above, there is a danger that the superconducting state is changed to a normal conducting state due to heat generated when the adjacent superconducting element wire (1) is rubbed. In order to prevent this, there is a method of forming a superconducting stranded wire into a coil and then impregnating the coil with a resin to solidify the superconducting element wire (1). However, there is a problem that a resin impregnation step is added to the coil manufacturing step.
本発明は、超電導素線(1)が擦れないようにして超
電導状態を安定に保ち、しかもコイルの樹脂の含浸工程
を省略でき、製造工程を簡単にすることによりコイルの
品質を安定に保つようにした超電導撚線を提供すること
を目的とする。The present invention is intended to keep the superconducting state stable by preventing the superconducting wire (1) from rubbing, to omit the step of impregnating the coil resin, and to keep the coil quality stable by simplifying the manufacturing process. It is an object of the present invention to provide a superconducting stranded wire having a reduced thickness.
(問題点を解決するための手段) 上記目的を達成するために、本発明においては、撚り
合わせた超電導素線の相互間に可撓性樹脂を充填して撚
線を形成したのち、その外周に前記超電導素線を緊縛す
るように基材に接着剤を処理した絶縁材を用いて巻回す
る。(Means for Solving the Problems) In order to achieve the above object, in the present invention, a flexible resin is filled between the twisted superconducting wires to form a stranded wire, and then the outer periphery thereof is formed. Then, the superconducting element wire is wound using an insulating material in which an adhesive is applied to a base material so as to bind the superconducting element wire.
(作用) このように構成された超電導撚線においては、超電導
素線が充てんした樹脂により互いに接着され、しかも緊
縛した絶縁材により互いに締め付けられるため、超電導
素線は擦れないようになる。また、超電導撚線を多重に
巻回してコイルを成形した後、加熱硬化処理により超電
導素線間に充填された可撓性樹脂および絶縁材に処理さ
れた接着剤により、超電導素線同士および超電導素線と
絶縁材間が密着固定でき超電導素線同士および超電導素
線と絶縁材との擦れによるクエンチの発生を抑制でき、
さらに、コイルに成形後樹脂の含浸工程を必要とてずに
超電導撚線を巻回した状態で接着固定することができ
る。(Operation) In the superconducting stranded wires configured as described above, the superconducting wires are adhered to each other by the filled resin and are fastened to each other by the binding insulating material, so that the superconducting wires are not rubbed. Also, after the superconducting twisted wires are wound in multiple layers to form a coil, the superconducting wires are connected to each other and the superconducting wires are bonded by a flexible resin filled between the superconducting wires by heat curing and an adhesive treated on the insulating material. The wire and the insulating material can be closely adhered and fixed, and the occurrence of quench caused by friction between the superconducting wires and between the superconducting wire and the insulating material can be suppressed.
Furthermore, the superconducting stranded wire can be adhered and fixed in a wound state without the need for a resin impregnation step after molding the coil.
(実施例) 以下本発明の一実施例について、第1図および第2図
を参照して説明する。第1図は、超電導撚線の軸方向段
むき状態を示す。(1)は第5図に示した従来の撚られ
た超電導素線(1)と同じものであるが、超電導素線
(1)の間には可撓性に優れた樹脂(6)が充てんして
あり、樹脂(6)により隣接した超電導素線(1)は接
着されている。樹脂(6)としては例えばプリプレグ化
したエポキシ樹脂、シリコーン樹脂、あるいは自己融着
性樹脂を使う。互いに接着した超電導素線(1)には、
これを緊縛するように絶縁材(7)が一様な厚さに巻回
してある。また、絶縁材(7)は基材に接着剤を処理し
たものであり、基材としては例えばガラス糸やアラミッ
ド糸を使い、接着剤としては例えばプリプレグ化したエ
ポキシ樹脂や自己融着性樹脂を使う。Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. FIG. 1 shows an axially stepped state of the superconducting stranded wire. (1) is the same as the conventional twisted superconducting wire (1) shown in FIG. 5, but the space between the superconducting wires (1) is filled with a highly flexible resin (6). The adjacent superconducting wires (1) are bonded by a resin (6). As the resin (6), for example, an epoxy resin, a silicone resin, or a self-fusing resin that is prepregged is used. The superconducting wires (1) bonded to each other
The insulating material (7) is wound to a uniform thickness so as to bind it. The insulating material (7) is obtained by treating a base material with an adhesive. As the base material, for example, a glass thread or an aramid thread is used, and as the adhesive, for example, a prepreg epoxy resin or a self-fusing resin is used. use.
第2図は、第1図に記した直線II-II部分の超電導撚
線の断面図を示す。(1)は第1図で説明したように従
来例の超電導素線と同じものであり、導体(2)の表面
にエナメル絶縁(3)を施したものである。超電導素線
(1)の間に空隙がないように樹脂(6)が充てんして
ある。樹脂(6)を充てんするには、液状の樹脂(6)
の中に超電導素線(1)を通すことにより超電導素線
(1)に樹脂(6)を塗布し、この超電導素線(1)を
撚り合わせた後に加熱したダイスに通しながら樹脂
(6)を硬化する。あるいは、撚り合わせた超電導素線
(1)の間に液状の樹脂(6)を加圧注入し、この超電
導素線(1)を加熱したダイスに通しながら樹脂(6)
を硬化する。樹脂(6)を充てんした後、第1図で説明
した絶縁材(7)を撚り合わせた超電導素線(1)上に
巻回する。FIG. 2 is a cross-sectional view of the superconducting stranded wire taken along the line II-II shown in FIG. (1) is the same as the conventional superconducting element wire as described with reference to FIG. 1, in which enamel insulation (3) is applied to the surface of the conductor (2). The resin (6) is filled so that there is no gap between the superconducting wires (1). To fill resin (6), use liquid resin (6)
The resin (6) is applied to the superconducting wire (1) by passing the superconducting wire (1) through the inside, and after twisting the superconducting wire (1), the resin (6) is passed through a heated die. To cure. Alternatively, a liquid resin (6) is injected under pressure between the twisted superconducting wires (1), and the resin (6) is passed while passing the superconducting wires (1) through a heated die.
To cure. After filling with the resin (6), the insulating material (7) described in FIG. 1 is wound around the twisted superconducting element wire (1).
次に上記構成の作用を説明する。超電導素線(1)の
間に充てんし、互いの超電導素線(1)を接着した樹脂
(6)は、超電導素線(1)が互いに移動して擦れるこ
とのないようにする。また、超電導素線(1)の間に空
隙がないように充てんした樹脂(6)は超電導素線
(1)を全面的に接着する。樹脂(6)の可撓性は、超
電導撚線をコイルに成形した際に樹脂(6)に加わる応
力が高くならないようにする。超電導素線(1)を緊縛
した絶縁材(7)は、樹脂(6)の作用と同様に超電導
素線(1)が互いに移動して擦れることないようにす
る。また、基材に接着剤を処理した絶縁材(7)は、超
電導撚線をコイルに成形して加熱処理すると、超電導撚
線の隣接部が接着した強固なコイルができるようにす
る。Next, the operation of the above configuration will be described. The resin (6) filled between the superconducting wires (1) and adhered to each other, prevents the superconducting wires (1) from moving and being rubbed. The resin (6) filled so that there is no gap between the superconducting wires (1) adheres the superconducting wires (1) over the entire surface. The flexibility of the resin (6) prevents the stress applied to the resin (6) from increasing when the superconducting stranded wire is formed into a coil. The insulating material (7) that binds the superconducting wires (1) prevents the superconducting wires (1) from moving and being rubbed with each other, similarly to the action of the resin (6). When the insulating material (7) in which the base material is treated with an adhesive is formed into a coil by forming a superconducting stranded wire into a coil, a strong coil having an adjacent portion of the superconducting stranded wire adhered can be formed.
以下にこの実施例の効果を説明する。超電導素線
(1)は樹脂(6)および絶縁材(7)で互い擦れない
ようにされているため、超電導素線(1)に摩擦熱が発
生しない。しかも、本発明による超電導撚線を用いる
と、コイルに成形して加熱処理すれば強固なコイルがで
きるので、コイルの製造工程に樹脂の含浸工程が入らな
い。The effect of this embodiment will be described below. Since the superconducting wire (1) is prevented from rubbing with each other by the resin (6) and the insulating material (7), no frictional heat is generated in the superconducting wire (1). Moreover, when the superconducting stranded wire according to the present invention is used, a strong coil can be formed by forming it into a coil and heat-treating it, so that a resin impregnation step is not included in the coil manufacturing process.
次に本発明による他の実施例について第3図を参照し
て説明する。ただし、第1図および第2図に説明した実
施例と同じ部分については説明を簡略にする。第3図は
超電導撚線の構成図を示す。絶縁材(8)は、樹脂
(6)を充てんした超電導素線(1)を緊縛するよう一
様な厚さに巻回してあるが、絶縁材(8)は接着性を持
っていない。また、絶縁材(8)の上には帯状にそろえ
た絶縁材(7)が飛ばし巻きしてあり、絶縁材(7)は
第1図で説明したように接着性を持っている。絶縁材
(7)が飛ばされた部分は、絶縁材(7)の厚さと等し
い深さの溝(9)になっている。Next, another embodiment of the present invention will be described with reference to FIG. However, the description of the same parts as those in the embodiment described in FIGS. 1 and 2 will be simplified. FIG. 3 shows a configuration diagram of a superconducting stranded wire. The insulating material (8) is wound to a uniform thickness so as to bind the superconducting wire (1) filled with the resin (6), but the insulating material (8) does not have adhesiveness. Also, the insulating material (7) arranged in a band shape is wound around the insulating material (8), and the insulating material (7) has adhesiveness as described in FIG. The portion where the insulating material (7) has been removed is a groove (9) having a depth equal to the thickness of the insulating material (7).
上記のように構成した超電導撚線では溝(9)が液体
ヘリウムの通路になる。このため、この超電導撚線を用
いてコイルを作ると、コイルの内部に液体ヘリウムを導
いて超電導素線(1)を冷却することができる。In the superconducting stranded wire configured as described above, the groove (9) becomes a passage for liquid helium. Therefore, when a coil is made using this superconducting stranded wire, liquid helium can be guided inside the coil to cool the superconducting element wire (1).
次に本発明の更に他の実施例について第4図を参照し
て説明する。Next, still another embodiment of the present invention will be described with reference to FIG.
第4図も第3図と同じく超電導撚線の構成図を示す。
この超電導撚線は第3図に示した超電導撚線のように溝
(9)を持っているが、絶縁材(8)が施していない。
このように構成した超電導撚線では絶縁材(8)がない
ため、液体ヘリウムによる超電導素線(1)の冷却を絶
縁材(8)で妨げることがない。FIG. 4 also shows a configuration diagram of the superconducting stranded wire as in FIG.
This superconducting stranded wire has a groove (9) like the superconducting stranded wire shown in FIG. 3, but is not provided with an insulating material (8).
Since the superconducting stranded wire thus configured does not have the insulating material (8), the cooling of the superconducting element wire (1) by liquid helium is not hindered by the insulating material (8).
さらに次の実施例について説明する。すなわち、絶縁
材(7)は基材に接着剤を処理したものであるが、この
接着剤と樹脂(6)を同一の樹脂にして、この樹脂を超
導電素線(1)の間と前記基材に同時に含浸してプリプ
レグ化することにより、樹脂(6)と絶縁材(7)を一
体化することができる。Next, the next embodiment will be described. That is, the insulating material (7) is obtained by treating the base material with an adhesive. The adhesive and the resin (6) are made of the same resin, and the resin is interposed between the superconducting element wire (1) and By simultaneously impregnating the base material into a prepreg, the resin (6) and the insulating material (7) can be integrated.
以上説明したように本発明の超電導撚線は、超電導素
線が移動せず摩擦熱が発生しないので、超電導状態を安
定に保つことができる。また、本発明の超電導撚線を用
いてコイルを作ると、コイルの製造工程が簡単になるの
で、品質の安定したコイルが得られる。As described above, the superconducting stranded wire of the present invention can stably maintain the superconducting state because the superconducting wire does not move and no frictional heat is generated. In addition, when a coil is formed using the superconducting stranded wire of the present invention, the coil manufacturing process is simplified, and a coil of stable quality is obtained.
第1図は本発明の一実施例の超電導撚線の段むき図、第
2図は第1図のII-II線に沿う断面図、第3図および第
4図は、本発明のそれぞれ異なる他の実施例の超電導撚
線の表面図、第5図は従来の超電導撚線の表面図、第6
図は第5図のVI-VI線に沿う断面図である。 (1)……超電導素線、(2)……導体 (3)……エナメル絶縁、(4)……NbTi極細線 (5)……マトリックス、(6)樹脂 (7)……絶縁材、(8)……絶縁材 (9)……溝FIG. 1 is a cutaway view of a superconducting stranded wire according to one embodiment of the present invention, FIG. 2 is a cross-sectional view taken along the line II-II of FIG. 1, and FIGS. FIG. 5 is a surface view of a conventional superconducting stranded wire, and FIG.
The figure is a sectional view along the line VI-VI in FIG. (1) ... superconducting element wire, (2) ... conductor (3) ... enamel insulation, (4) ... NbTi extra fine wire (5) ... matrix, (6) resin (7) ... insulating material, (8) Insulating material (9) Groove
Claims (2)
た複数の超電導素線の相互間に可撓性樹脂を充填し隣接
した超電導素線同士を密着して撚線を形成し、この撚線
の外周に絶縁物からなる基材に接着剤を施した絶縁材を
巻回してコイルに成形してから加熱硬化し、超電導素線
の相互間および前記撚線を形成する超電導素線と絶縁材
間を固着してなることを特徴とする超電導撚線。A plurality of superconducting wires having an enamel insulating layer are filled with a flexible resin between the superconducting wires, and adjacent superconducting wires are closely adhered to each other to form a stranded wire. An insulating material obtained by applying an adhesive to a base material made of an insulating material is wound around the outer periphery of the wire, formed into a coil, and then heat-cured to insulate the superconducting wire between the superconducting wires and the stranded wire. A superconducting stranded wire characterized by being fixed between materials.
たことを特徴とする特許請求の範囲第1項記載の超電導
撚線。2. The superconducting stranded wire according to claim 1, wherein the insulating material is skipped at predetermined intervals.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61154984A JP2597551B2 (en) | 1986-07-03 | 1986-07-03 | Superconducting stranded wire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61154984A JP2597551B2 (en) | 1986-07-03 | 1986-07-03 | Superconducting stranded wire |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6313207A JPS6313207A (en) | 1988-01-20 |
JP2597551B2 true JP2597551B2 (en) | 1997-04-09 |
Family
ID=15596171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61154984A Expired - Lifetime JP2597551B2 (en) | 1986-07-03 | 1986-07-03 | Superconducting stranded wire |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2597551B2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1274503B (en) * | 1995-05-15 | 1997-07-17 | Montell North America Inc | HIGH TENACITY POLYOLEFINIC FIBERS |
CN1068640C (en) * | 1997-09-24 | 2001-07-18 | 山东虎山实业集团有限公司 | Process for producing fine denier polypropylene fiber short-staple |
JP4774494B2 (en) * | 2005-01-14 | 2011-09-14 | 成卓 岩熊 | Superconducting coil |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59158014A (en) * | 1983-02-28 | 1984-09-07 | 古河電気工業株式会社 | Compound superconductive conductor |
-
1986
- 1986-07-03 JP JP61154984A patent/JP2597551B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS6313207A (en) | 1988-01-20 |
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