JP2003158010A - Terminal structure of superconducting coil - Google Patents
Terminal structure of superconducting coilInfo
- Publication number
- JP2003158010A JP2003158010A JP2001356649A JP2001356649A JP2003158010A JP 2003158010 A JP2003158010 A JP 2003158010A JP 2001356649 A JP2001356649 A JP 2001356649A JP 2001356649 A JP2001356649 A JP 2001356649A JP 2003158010 A JP2003158010 A JP 2003158010A
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- Prior art keywords
- superconducting
- superconducting wire
- winding
- terminal structure
- superconducting coil
- Prior art date
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Abstract
(57)【要約】
【課題】 低コストのＲ＆Ｗ法製の超電導コイルが使用
できる超電導コイルの端末構造を提供する。
【解決手段】 巻枠胴部２上に巻回された巻回用超電導
線３と、巻枠鍔部８外面上に配された電極４とが連結用
超電導線５を介して接続されている超電導コイルの端末
構造。
【効果】 巻回用超電導線３を小曲率で曲げて電極４に
接続する必要がないので、低コストのＲ＆Ｗ法製の超電
導コイルが使用できる。
(57) [Problem] To provide a terminal structure of a superconducting coil in which a low-cost superconducting coil manufactured by an R & W method can be used. A superconducting wire for winding wound on a bobbin body and an electrode disposed on an outer surface of a bobbin flange are connected via a superconducting wire for connection. Terminal structure of superconducting coil. [Effect] Since it is not necessary to bend the superconducting wire for winding 3 at a small curvature and connect it to the electrode 4, a superconducting coil made of a low-cost R & W method can be used.
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、低コストのＲ＆Ｗ
法製の超電導コイルが使用できる超電導コイルの端末構
造に関する。TECHNICAL FIELD The present invention relates to a low cost R & W.
The present invention relates to a terminal structure of a superconducting coil that can use a superconducting coil manufactured by the method.
【０００２】[0002]
【従来の技術】超電導コイルは、図７に示すように、巻
枠胴部上に超電導線３が巻回され、前記超電導線３の端
部が巻枠鍔部８の引出口９から引出されて、巻枠鍔部８
外面上に配された電極４（外部導体と接続する端子）に
接続されたものである。ところで、Ｎｂ3 Ｓｎなどの化
合物超電導線は変形（歪み）によりその超電導特性が著
しく低下するため、前記化合物超電導線が巻かれた超電
導コイルは、超電導熱処理（超電導体に反応させるため
の熱処理）前の段階で胴部に巻回し、さらにその端部を
巻枠鍔部８の引出口９から所定長さ引出した状態で超電
導熱処理を施すＷ＆Ｒ（ＷＩＮＤＩＮＧ＆ＲＥＡＣＴ）
法により製造されていた。このＷ＆Ｒ法では、超電導熱
処理後は超電導線に曲げなどの変形が加わらないため、
超電導特性が低下することがない。2. Description of the Related Art In a superconducting coil, as shown in FIG. 7, a superconducting wire 3 is wound around a bobbin trunk, and an end of the superconducting wire 3 is drawn out from an outlet 9 of a bobbin collar 8. And reel collar 8
It is connected to an electrode 4 (terminal connected to an external conductor) arranged on the outer surface. By the way, since the superconducting property of a compound superconducting wire such as Nb 3 Sn is remarkably deteriorated due to deformation (distortion), the superconducting coil wound with the compound superconducting wire is not subjected to a superconducting heat treatment (heat treatment for reacting with a superconductor). W & R (WINDING & REACT), which is wound around the body at the stage, and the superconducting heat treatment is performed with the end of the body being pulled out from the outlet 9 of the bobbin collar 8 for a predetermined length.
It was manufactured by the method. In this W & R method, since deformation such as bending is not applied to the superconducting wire after the superconducting heat treatment,
Superconducting properties do not deteriorate.
【０００３】[0003]
【発明が解決しようとする課題】しかし、このＷ＆Ｒ法
は巻枠胴部に巻回した状態で超電導熱処理するため大型
炉が必要で製造コストが高くなるという問題があった。
このようなことから、超電導熱処理後に巻回する（Ｒ＆
Ｗ法）ことができる強化型Ｎｂ3 Ｓｎ超電導線やステン
レステープで補強した酸化物超電導線が開発された。However, the W & R method has a problem in that a large furnace is required because the superconducting heat treatment is carried out in a state of being wound around the reel body, resulting in a high manufacturing cost.
For this reason, the coil is wound after the superconducting heat treatment (R &
A reinforced Nb 3 Sn superconducting wire capable of performing the W method) and an oxide superconducting wire reinforced with a stainless tape have been developed.
【０００４】しかし、これらの超電導線は、曲げ曲率の
大きい巻枠胴部上への巻回は問題なく行えるが、曲げ曲
率の小さい（曲げ半径約５ｍｍ）引出口で超電導特性が
大幅に低下するという問題があった。この対策として、
引出口近傍の胴部にスロープを付けて超電導線を徐々に
曲げる方法が提案されたが、この方法では励磁中の電磁
力により引出口部分の超電導線に歪みが加わり、この部
分で超電導特性が低下するという問題があった（参考文
献：K.Goto他,IEEE transaction on Applied Supercond
uctivity, vol.11,No.1,p3623-3626,2001 ）。本発明の
目的は、低コストのＲ＆Ｗ法製の超電導コイルが使用で
きる超電導コイルの端末構造を提供することにある。However, although these superconducting wires can be wound on a bobbin body having a large bending curvature without any problem, the superconducting characteristics are significantly deteriorated at the outlet having a small bending curvature (bending radius of about 5 mm). There was a problem. As a measure against this,
A method of gradually bending the superconducting wire by attaching a slope to the body near the outlet was proposed, but in this method, the superconducting wire in the outlet is distorted by the electromagnetic force during excitation, and the superconducting characteristics are There was a problem of decrease (Reference: K. Goto et al., IEEE transaction on Applied Supercond
uctivity, vol.11, No.1, p3623-3626,2001). An object of the present invention is to provide a superconducting coil terminal structure that can use a low-cost superconducting coil manufactured by the R & W method.
【０００５】[0005]
【課題を解決するための手段】請求項１記載発明は、巻
枠胴部上に巻回された巻回用超電導線と、巻枠鍔部外面
上に配された電極とが連結用超電導線を介して接続され
ていることを特徴とする超電導コイルの端末構造であ
る。According to a first aspect of the present invention, a superconducting wire for winding which is wound on a barrel body and an electrode which is arranged on an outer surface of a flange portion of the reel are connected. It is a terminal structure of a superconducting coil characterized in that it is connected via.
【０００６】請求項２記載発明は、前記巻回用超電導線
が、超電導熱処理後、巻枠胴部上に巻回されており、前
記連結用超電導線が、所定形状に成形後、超電導熱処理
されていることを特徴とする請求項１記載の超電導コイ
ルの端末構造である。According to a second aspect of the present invention, the superconducting wire for winding is wound around the body of the reel after the superconducting heat treatment, and the connecting superconducting wire is formed into a predetermined shape and then subjected to the superconducting heat treatment. It is a terminal structure of the superconducting coil according to claim 1.
【０００７】請求項３記載発明は、前記巻回用超電導線
の端部と、前記連結用超電導線の端部とが所定長さ添わ
されて接続されるように形成したことを特徴とする請求
項１または２記載の超電導コイルの端末構造である。According to a third aspect of the present invention, the end portion of the winding superconducting wire and the end portion of the connecting superconducting wire are formed so as to be connected by a predetermined length. It is a terminal structure of the superconducting coil according to Item 1 or 2.
【０００８】請求項４記載発明は、前記連結用超電導線
が金属部材で補強されていることを特徴とする請求項
１、２、３のいずれかに記載の超電導コイルの端末構造
である。A fourth aspect of the present invention is the superconducting coil terminal structure according to any one of the first, second and third aspects, wherein the connecting superconducting wire is reinforced with a metal member.
【０００９】請求項５記載発明は、前記接続部が、巻枠
胴部周面または巻枠鍔部内面に被覆された絶縁層内に配
されていることを特徴とする請求項１、２、３、４のい
ずれかに記載の超電導コイルの端末構造である。According to a fifth aspect of the present invention, the connecting portion is arranged in an insulating layer coated on the peripheral surface of the winding frame body portion or the inner surface of the winding frame collar portion. 3 is a terminal structure of the superconducting coil according to any one of 3 and 4.
【００１０】請求項６記載発明は、前記連結用超電導線
が巻枠鍔部の引出口に合成樹脂により固定されているこ
とを特徴とする請求項１、２、３、４、５のいずれかに
記載の超電導コイルの端末構造である。According to a sixth aspect of the present invention, any one of the first to second aspects is characterized in that the superconducting wire for connection is fixed to the outlet of the bobbin collar portion with a synthetic resin. 2 is a terminal structure of the superconducting coil described in 1.
【００１１】請求項７記載発明は、前記連結用超電導線
の引出口から接続部にかけての形状がＬ字状に形成され
ており、その一端から屈曲部までの直線部の少なくとも
１部が電極に接続され、他の一端から屈曲部までの直線
部が巻回用超電導線の端部に接続されていることを特徴
とする請求項１、２、３、４、５、６のいずれかに記載
の超電導コイルの端末構造である。According to a seventh aspect of the invention, the connecting superconducting wire is formed in an L-shape from the outlet to the connecting portion, and at least a part of the straight portion from one end to the bent portion is an electrode. 7. A straight part from the other end to the bent part is connected to the end part of the winding superconducting wire. 2 is a terminal structure of the superconducting coil of FIG.
【００１２】[0012]
【発明の実施の形態】以下に、本発明を図を参照して具
体的に説明する。図１（イ）、（ロ）は、本発明の端末
構造の実施形態を示す平面図および側面説明図である。
巻枠１の胴部２上に超電導熱処理後の超電導線３が巻回
されており（Ｒ＆Ｗ法）、電極４の片面中央部には上下
方向に溝１１が形成されており、この溝１１内に成形後
超電導熱処理された連結用超電導線５の上部が半田（図
示せず）で埋設され、この連結用超電導線５は引出口か
ら接続部１５にかけてＬ字状に形成されており、前記Ｌ
字状部分の電極４に接続された直線部（以下直線部６と
記す）６が引出口９を通り、巻回用超電導線３に接続さ
れた直線部１３が超電導線３の端部７に所定長さ添わさ
れて接続されている。前記添わせる長さは接続部１５の
接触抵抗や接続方法などを考慮して適宜決められる。BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be specifically described below with reference to the drawings. 1A and 1B are a plan view and a side explanatory view showing an embodiment of a terminal structure of the present invention.
The superconducting wire 3 after the superconducting heat treatment is wound around the body 2 of the reel 1 (R & W method), and the groove 11 is formed in the vertical direction at the center of one surface of the electrode 4. The upper portion of the superconducting wire 5 for connection, which has been subjected to superconducting heat treatment after molding, is embedded with solder (not shown), and the superconducting wire 5 for connection is formed in an L shape from the outlet to the connecting portion 15.
A straight line portion (hereinafter referred to as a straight line portion 6) 6 connected to the character-shaped electrode 4 passes through the outlet 9, and a straight line portion 13 connected to the winding superconducting wire 3 is provided at the end 7 of the superconducting wire 3. It is connected along a predetermined length. The length to be added is appropriately determined in consideration of the contact resistance of the connecting portion 15 and the connecting method.
【００１３】連結用超電導線５の引出口から接続部にか
けて形成されるＬ字形状は、連結用超電導線５の上部が
電極４に接続された状態で、前記Ｌ字状部分の直線部１
３が接続相手の巻回用超電導線端部７と接続されてい
る。このためＬ字状部分の直線部１３と巻回用超電導線
端部７とは変形されずに（歪みを生じずに）接続され、
その超電導特性は高度に維持される。なお、連結用超電
導線５の引出口から接続部１５にかけての形状は、巻枠
胴部２上に巻回された巻回用超電導線３と巻枠鍔部８外
面上に配された電極４とを、巻回用超電導線３を変形さ
せずに（歪みを生じずに）接続できる形状であれば良
く、前記Ｌ字状に限るものではない。The L-shape formed from the outlet of the connecting superconducting wire 5 to the connecting portion is a straight portion 1 of the L-shaped portion in a state where the upper portion of the connecting superconducting wire 5 is connected to the electrode 4.
3 is connected to the winding superconducting wire end 7 which is a connection partner. Therefore, the straight portion 13 of the L-shaped portion and the winding superconducting wire end portion 7 are connected without deformation (without causing distortion),
Its superconducting properties are highly maintained. The shape of the connecting superconducting wire 5 from the outlet to the connecting portion 15 is such that the winding superconducting wire 3 wound on the reel body 2 and the electrode 4 arranged on the outer surface of the reel brim portion 8. It suffices that they have a shape capable of connecting the winding superconducting wire 3 without deforming (without causing distortion), and are not limited to the L-shape.
【００１４】本発明では、超電導熱処理後の超電導線を
巻枠胴部２に巻回するので、超電導熱処理に大型炉を用
いる必要がなく、製造コストを安くできる。In the present invention, since the superconducting wire after the superconducting heat treatment is wound around the bobbin body 2, it is not necessary to use a large furnace for the superconducting heat treatment, and the manufacturing cost can be reduced.
【００１５】本発明において、電極４には銅板などの導
電材料が使用され、この電極４は巻枠鍔部８外面上にＦ
ＲＰなどの絶縁層１０を介して配される。また、巻枠胴
部２と巻枠鍔部８には、通常、ステンレスなどの高強度
材が使用され、巻枠胴部２周面と巻枠鍔部８内面には、
図３に示すように、ＦＲＰなどからなる絶縁層１２が被
覆される。前記接続部は、図３に示すように、前記絶縁
層１２に設けた溝１４内に配して保護するのが望まし
い。この絶縁層溝１４は、巻回された巻回用超電導線３
の端部７の巻回方向とほぼ同じ方向に形成される。In the present invention, a conductive material such as a copper plate is used for the electrode 4, and the electrode 4 is formed on the outer surface of the winding frame flange portion 8 by F.
It is arranged via an insulating layer 10 such as RP. A high strength material such as stainless steel is usually used for the reel body 2 and the reel collar 8, and the peripheral surface of the reel barrel 2 and the inner surface of the collar 8 are
As shown in FIG. 3, an insulating layer 12 made of FRP or the like is covered. As shown in FIG. 3, it is desirable that the connecting portion is disposed in a groove 14 provided in the insulating layer 12 to protect the connecting portion. The insulating layer groove 14 is formed by winding the wound superconducting wire 3
Is formed in substantially the same direction as the winding direction of the end portion 7.
【００１６】接続部の形成方法としては、図４（イ）、
（ロ）に示すように前記直線部１３を巻回方向と逆方向
に向ける場合と、図５（イ）、（ロ）に示すように連結
用超電導線の直線部１３を巻回方向に向ける場合とがあ
り、これらは電極の位置によって適宜選択される。前記
図４、５では、絶縁層溝１４は巻回方向に添って設けた
が、絶縁層溝１４は図６（イ）、（ロ）に示すように巻
回用超電導線３の接線方向に設けることもできる。この
方法は、図４に示した方法より、接続部１５に掛かる歪
みを小さくすることができ望ましい方法である。As a method of forming the connecting portion, as shown in FIG.
When the linear portion 13 is oriented in the opposite direction to the winding direction as shown in (b), and when the linear portion 13 of the connecting superconducting wire is oriented in the winding direction as shown in FIGS. 5 (a) and 5 (b). In some cases, these are appropriately selected depending on the position of the electrode. Although the insulating layer groove 14 is provided along the winding direction in FIGS. 4 and 5, the insulating layer groove 14 is provided in the tangential direction of the winding superconducting wire 3 as shown in FIGS. It can also be provided. This method is preferable because it can reduce the strain applied to the connecting portion 15 as compared with the method shown in FIG.
【００１７】前記連結用超電導線５のＬ字状部分の直線
部１３と巻回用超電導線３の端部７との接続には、両超
電導線３、５に歪みを生じさせない任意の方法、例えば
半田付けやろう付けなどが適用できる。連結用超電導線
５の屈曲部１６は、図２に示すように、連結用超電導線
５に補強部材１７を添わせて金属線１８などで結束して
おくと、屈曲部１６の変形が防止され接続性が向上す
る。また補強部材１７に銅などの導電材料を用い、これ
を電極まで添わせることによりクエンチ発生時に分流効
果が得られる。さらに図３に示した絶縁層溝１４の底部
に銅板（図示せず）を配し、その上に接続部１５（図２
参照）を半田またはエポキシ樹脂で接合すると接続部１
５の変形が防止される。連結用超電導線５と補強部材１
７は金属線１８による結束に加え半田付けなどをしてお
くと補強部材１７の効果が一層発現される。半田付けの
みでも差し支えない。For connecting the linear portion 13 of the L-shaped portion of the connecting superconducting wire 5 and the end 7 of the winding superconducting wire 3, any method that does not cause distortion in both superconducting wires 3 and 5, For example, soldering or brazing can be applied. As shown in FIG. 2, the bent portion 16 of the connecting superconducting wire 5 is prevented from being deformed by binding the connecting superconducting wire 5 together with a reinforcing member 17 and binding it with a metal wire 18 or the like. Connectivity is improved. In addition, a conductive material such as copper is used for the reinforcing member 17, and by adding this to the electrodes, a shunt effect can be obtained when a quench occurs. Further, a copper plate (not shown) is arranged on the bottom of the insulating layer groove 14 shown in FIG. 3, and the connection portion 15 (see FIG.
Connection) with solder or epoxy resin.
The deformation of 5 is prevented. Superconducting wire 5 for connection and reinforcing member 1
The effect of the reinforcing member 17 is further exhibited by soldering 7 in addition to binding by the metal wire 18. Only soldering is acceptable.
【００１８】本発明において、巻回用超電導線３は、巻
回後、クエンチ防止のため、エポキシなどの合成樹脂を
充填して相互に固定する。合成樹脂は、引出口９や絶縁
層溝１４内にも充填して連結用超電導線５や接続部１５
を固定するのが望ましい。前記クエンチとは通電時に生
じる電磁力で巻回用超電導線３が局部的に動いて発熱
し、この熱により超電導状態が破れる現象である。In the present invention, the winding superconducting wire 3 is filled with a synthetic resin such as epoxy and fixed to each other after winding to prevent quenching. The synthetic resin is also filled in the outlet 9 and the insulating layer groove 14 to connect the superconducting wire 5 and the connecting portion 15.
It is desirable to fix. The quench is a phenomenon in which the winding superconducting wire 3 locally moves due to electromagnetic force generated during energization to generate heat, and this heat breaks the superconducting state.
【００１９】この他、合成樹脂を充填する効果として
は、液体窒素や液体ヘリウム冷却の場合は電極４部分が
局部冷却し熱収縮して起きる接続部１５の破断防止が図
れ、冷凍機冷却の場合は熱伝導性が改善され冷却効率が
向上する、などが挙げられる。合成樹脂の充填には、塗
り込み法や含浸釜に浸漬する方法などの常法が適用でき
る。In addition, as the effect of filling the synthetic resin, in the case of liquid nitrogen or liquid helium cooling, it is possible to prevent the breakage of the connection portion 15 caused by local cooling and thermal contraction of the electrode 4, and in the case of refrigerator cooling. The heat conductivity is improved and the cooling efficiency is improved. For filling the synthetic resin, a conventional method such as a coating method or a method of immersing the synthetic resin in an impregnation pot can be applied.
【００２０】[0020]
【実施例】以下に本発明を実施例により詳細に説明す
る。
（実施例１）ブロンズ法により製造した外径１ｍｍの強
化型Ｎｂ3 Ｓｎ超電導線（外部銅安定化銅比２０％）を
巻回用（絶縁として厚さ２５μｍ、幅４ｍｍのポリイミ
ドテープによるハーフラッピング施工）と連結用（絶縁
なし）の両方に用いて図１に示した端末構造の超電導コ
イルを製造した。前記超電導線は、巻回用には束状にし
て超電導熱処理したものを用い、連結用には引出口から
接続部にかけての部分をＬ字状に成形後に超電導熱処理
したものを用いた。EXAMPLES The present invention will be described in detail below with reference to examples. (Example 1) enhanced Nb 3 Sn superconducting wire having an outer diameter of 1mm was prepared by the bronze process (outer copper stabilizing copper ratio of 20%) for the winding (thickness 25μm as an insulating, half-wrapping by a polyimide tape width 4mm The superconducting coil having the terminal structure shown in FIG. 1 was manufactured for both the construction and the connection (without insulation). The above-mentioned superconducting wire was used for winding in a bundle shape and subjected to superconducting heat treatment, and for connection was used in which the portion from the outlet to the connecting portion was formed into an L shape and then superconducting heat treated.
【００２１】超電導コイルは下記（１）→（６）の工程
に従って製造した。
（１）電極４（幅３０ｍｍ、高さ８０ｍｍ、厚さ５ｍｍ
の銅板）の片面中央部上下方向に形成された溝１１（幅
２ｍｍ、深さ２ｍｍ）内に連結用超電導線５の上部を半
田（図示せず）で埋設して接続し、（２）連結用超電導
線５下部のＬ字状部分を引出口９に通し、（３）電極４
をＦＲＰ製絶縁層１０を介して巻枠鍔部８外面上に非金
属製ボルトで締結し、（４）連結用超電導線５Ｌ字状部
分の直線部１３と巻回用超電導線３の端部７とを所定長
さ添わせ、さらに連結用超電導線５のＬ字状部分に同じ
Ｌ字状の銅製の補強部材１７を添わせ、この添わせた部
分を銅線１８を巻いて結束した。接続部は巻回用超電導
線端部７も含めて結束した（図２参照）。（５）前記接
続部１５を巻枠鍔部８内面の絶縁層溝１４（図３参照）
内に配し、さらにこの接続部１５を絶縁層溝１４内の底
部に配した銅板（幅２ｍｍ、長さ３０ｍｍ、厚さ１ｍ
ｍ、図示せず）上に半田付けして接続と固定を行い、
（６）巻回用超電導線３を巻枠胴部２上にエポキシ樹脂
を塗り込みながら巻回した。エポキシ樹脂は接続部１５
が配された絶縁層溝１４内および連結用超電導線５が通
る引出口９にも塗り込んだ。The superconducting coil was manufactured according to the following steps (1) to (6). (1) Electrode 4 (width 30 mm, height 80 mm, thickness 5 mm
Copper plate), the upper portion of the connecting superconducting wire 5 is embedded and connected in a groove 11 (width 2 mm, depth 2 mm) formed in the vertical direction of the central portion of one surface, and connected (2). The L-shaped part at the bottom of the superconducting wire 5 for
Is fastened to the outer surface of the bobbin collar portion 8 through the FRP insulating layer 10 with a non-metallic bolt, and (4) the connecting superconducting wire 5 has a linear portion 13 of the L-shaped portion and the end portion of the winding superconducting wire 3. 7 and a predetermined length, and further, the same L-shaped copper reinforcing member 17 was added to the L-shaped portion of the connecting superconducting wire 5, and the added portion was wound by a copper wire 18 to be bound. The connection portion was bundled together with the winding superconducting wire end portion 7 (see FIG. 2). (5) Insulating layer groove 14 on the inner surface of the bobbin collar portion 8 (see FIG. 3)
A copper plate (width: 2 mm, length: 30 mm, thickness: 1 m) which is arranged inside and further the connecting portion 15 is arranged at the bottom of the insulating layer groove 14.
m, not shown) to connect and fix
(6) The winding superconducting wire 3 was wound while the epoxy resin was applied onto the reel body 2. Epoxy resin is the connection part 15
Was also applied to the inside of the insulating layer groove 14 in which is arranged and to the outlet 9 through which the superconducting wire 5 for connection passes.
【００２２】このようにして製造した超電導コイルを液
体ヘリウム中に浸漬し、最大２００Ａの電流を流して、
８Ｔの磁界を発生させることができた。そのときの接続
部の発熱は約１ｍＷでありコイル性能として全く問題が
なかった。The superconducting coil manufactured as described above is immersed in liquid helium, and a maximum current of 200 A is applied to it.
It was possible to generate a magnetic field of 8T. The heat generated at the connecting portion at that time was about 1 mW, and there was no problem in coil performance.
【００２３】以上、外部導体を接続する電極の端末構造
について説明したが、本発明は、巻枠胴部に複数の超電
導線を並列巻きし、各超電導線を直列につなぐ際に用い
るつなぎ用電極の端末構造にも適用できる。Although the terminal structure of the electrode for connecting the outer conductor has been described above, the present invention has a connecting electrode used when a plurality of superconducting wires are wound in parallel around the barrel body and the superconducting wires are connected in series. It can also be applied to the terminal structure of.
【００２４】[0024]
【発明の効果】以上に述べたように、本発明の超電導コ
イルの端末構造は、巻枠胴部上に巻回された巻回用超電
導線と、巻枠鍔部外面上に配された電極とが連結用超電
導線を介して接続されているので、前記巻回用超電導線
を小曲率で曲げて電極に接続する必要がない。従って、
低コストのＲ＆Ｗ法製の超電導コイルが使用でき、工業
上顕著な効果を奏する。As described above, the terminal structure of the superconducting coil of the present invention has the following configuration: the winding superconducting wire wound on the bobbin trunk and the electrodes arranged on the outer surface of the bobbin collar. Since and are connected via the superconducting wire for connection, it is not necessary to bend the superconducting wire for winding with a small curvature and connect it to the electrode. Therefore,
A low-cost superconducting coil made by the R & W method can be used, and a remarkable effect is industrially achieved.
【図１】本発明の超電導コイルの端末構造の実施形態を
示す（イ）平面図および（ロ）側面説明図（（イ）のＡ
−Ａ矢視図）である。FIG. 1 is a plan view and (b) a side view showing an embodiment of a terminal structure of a superconducting coil of the present invention (A in (a)).
-A arrow view).
【図２】本発明における超電導線接続部の補強方法の実
施形態を示す斜視図である。FIG. 2 is a perspective view showing an embodiment of a method for reinforcing a superconducting wire connecting portion according to the present invention.
【図３】本発明で用いる巻枠の実施形態を示す斜視説明
図である。FIG. 3 is a perspective explanatory view showing an embodiment of a reel used in the present invention.
【図４】（イ）、（ロ）は本発明における接続部の第１
の例を示すそれぞれ斜視図または平面透視図である。4 (a) and 4 (b) are the first connection parts in the present invention.
3A and 3B are perspective views and plan perspective views, respectively.
【図５】（イ）、（ロ）は本発明における接続部の第２
の例を示すそれぞれ斜視図または平面透視図である。5 (a) and 5 (b) are the second connecting parts in the present invention.
3A and 3B are perspective views and plan perspective views, respectively.
【図６】（イ）、（ロ）は本発明における接続部の第３
の例を示すそれぞれ斜視図または平面透視図である。6 (a) and 6 (b) are third connection parts of the present invention.
3A and 3B are perspective views and plan perspective views, respectively.
【図７】従来の超電導コイルの端末構造の側面説明図で
ある。FIG. 7 is a side view showing a conventional terminal structure of a superconducting coil.
１ 巻枠
２ 巻枠胴部
３ 巻回用超電導線
４ 電極
５ 連結用超電導線
６ 連結用超電導線のＬ字状部分の電極に接続された直
線部
７ 巻回用超電導線の端部
８ 巻枠鍔部
９ 巻枠鍔部の引出口
１０ 電極と巻枠鍔部間の絶縁層
１１ 電極に形成された溝
１２ 巻枠胴部上または巻枠鍔部内面上の絶縁層
１３ 連結用超電導線のＬ字状部分の巻回用超電導線に
接続された直線部
１４ 絶縁層に形成された溝
１５ 連結用超電導線の直線部（前記１３）と巻回用超
電導線端部との接続部
１６ 連結用超電導線のＬ字状部分の屈曲部
１７ 補強部材
１８ 結束用金属線1 reel 2 reel body 3 winding superconducting wire 4 electrode 5 connecting superconducting wire 6 straight portion 7 connected to the electrode of the L-shaped part of the connecting superconducting wire 7 end 8 of the winding superconducting wire Frame collar part 9 Pull-out port of winding frame collar part 10 Insulating layer between electrode and winding frame collar part 11 Groove formed on electrode 12 Insulating layer on winding frame body part or inner surface of winding frame flange part 13 Superconducting wire for connection Portion of the L-shaped portion connected to the winding superconducting wire 14 groove 15 formed in the insulating layer connecting portion 16 between the connecting superconducting wire linear portion (13) and the winding superconducting wire end portion 16 Bending portion of L-shaped portion of superconducting wire for connection 17 Reinforcing member 18 Metal wire for bundling
Claims (7)
と、巻枠鍔部外面上に配された電極とが連結用超電導線
を介して接続されていることを特徴とする超電導コイル
の端末構造。1. A winding superconducting wire wound on a winding barrel body and an electrode arranged on an outer surface of the winding collar part are connected to each other via a connecting superconducting wire. Superconducting coil terminal structure.
後、巻枠胴部上に巻回されており、前記連結用超電導線
が、所定形状に成形後、超電導熱処理されていることを
特徴とする請求項１記載の超電導コイルの端末構造。2. The superconducting wire for winding is wound on the bobbin barrel after superconducting heat treatment, and the superconducting wire for connection is formed into a predetermined shape and then superconducting heat treated. The superconducting coil terminal structure according to claim 1.
用超電導線の端部とが所定長さ添わされて接続されるよ
うに形成したことを特徴とする請求項１または２記載の
超電導コイルの端末構造。3. An end portion of the winding superconducting wire and an end portion of the connecting superconducting wire are formed so as to be connected along a predetermined length. Superconducting coil terminal structure.
れていることを特徴とする請求項１、２、３のいずれか
に記載の超電導コイルの端末構造。4. The terminal structure of the superconducting coil according to claim 1, wherein the connecting superconducting wire is reinforced with a metal member.
鍔部内面に被覆された絶縁層内に配されていることを特
徴とする請求項１、２、３、４のいずれかに記載の超電
導コイルの端末構造。5. The one of claim 1, 2, 3 or 4, wherein the connecting portion is arranged in an insulating layer coated on the peripheral surface of the reel body portion or the inner surface of the reel flange portion. The terminal structure of the superconducting coil according to Crab.
に合成樹脂により固定されていることを特徴とする請求
項１、２、３、４、５のいずれかに記載の超電導コイル
の端末構造。6. The superconducting coil according to claim 1, wherein the connecting superconducting wire is fixed to the outlet of the bobbin collar portion with a synthetic resin. Terminal structure.
にかけての形状がＬ字状に形成されており、その一端か
ら屈曲部までの直線部の少なくとも１部が電極に接続さ
れ、他の一端から屈曲部までの直線部が巻回用超電導線
の端部に接続されていることを特徴とする請求項１、
２、３、４、５、６のいずれかに記載の超電導コイルの
端末構造。7. The connecting superconducting wire is formed in an L shape from the outlet to the connecting portion, and at least a part of a straight line portion from one end to the bent portion is connected to the electrode, and A straight line portion from one end to the bent portion is connected to an end portion of the winding superconducting wire.
7. The terminal structure of the superconducting coil according to any one of 2, 3, 4, 5, and 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001356649A JP4158878B2 (en) | 2001-11-21 | 2001-11-21 | Superconducting coil terminal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001356649A JP4158878B2 (en) | 2001-11-21 | 2001-11-21 | Superconducting coil terminal structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003158010A true JP2003158010A (en) | 2003-05-30 |
| JP4158878B2 JP4158878B2 (en) | 2008-10-01 |
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ID=19168136
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001356649A Expired - Lifetime JP4158878B2 (en) | 2001-11-21 | 2001-11-21 | Superconducting coil terminal structure |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008305861A (en) * | 2007-06-05 | 2008-12-18 | Sumitomo Heavy Ind Ltd | Superconducting coil and superconductive magnet device |
| WO2011118501A1 (en) * | 2010-03-23 | 2011-09-29 | ジャパンスーパーコンダクタテクノロジー株式会社 | Superconducting magnet |
| JP2011199147A (en) * | 2010-03-23 | 2011-10-06 | Japan Superconductor Technology Inc | Superconducting coil |
| JP2012164859A (en) * | 2011-02-08 | 2012-08-30 | Fujikura Ltd | High temperature superconducting coil |
| JP2014150223A (en) * | 2013-02-04 | 2014-08-21 | Sumitomo Electric Ind Ltd | Superconducting coil and superconducting coil device |
| KR101518673B1 (en) * | 2014-06-18 | 2015-05-11 | 주식회사 포스코 | Apparatus and method for treating ends of laminated wire |
| JP2019009224A (en) * | 2017-06-22 | 2019-01-17 | 住友重機械工業株式会社 | Superconducting coil |
| WO2025150269A1 (en) * | 2024-01-10 | 2025-07-17 | 住友重機械工業株式会社 | Superconducting coil |
-
2001
- 2001-11-21 JP JP2001356649A patent/JP4158878B2/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008305861A (en) * | 2007-06-05 | 2008-12-18 | Sumitomo Heavy Ind Ltd | Superconducting coil and superconductive magnet device |
| WO2011118501A1 (en) * | 2010-03-23 | 2011-09-29 | ジャパンスーパーコンダクタテクノロジー株式会社 | Superconducting magnet |
| JP2011199147A (en) * | 2010-03-23 | 2011-10-06 | Japan Superconductor Technology Inc | Superconducting coil |
| CN102792396A (en) * | 2010-03-23 | 2012-11-21 | 日本超导体技术公司 | Superconducting magnet |
| JP2012164859A (en) * | 2011-02-08 | 2012-08-30 | Fujikura Ltd | High temperature superconducting coil |
| JP2014150223A (en) * | 2013-02-04 | 2014-08-21 | Sumitomo Electric Ind Ltd | Superconducting coil and superconducting coil device |
| KR101518673B1 (en) * | 2014-06-18 | 2015-05-11 | 주식회사 포스코 | Apparatus and method for treating ends of laminated wire |
| JP2019009224A (en) * | 2017-06-22 | 2019-01-17 | 住友重機械工業株式会社 | Superconducting coil |
| WO2025150269A1 (en) * | 2024-01-10 | 2025-07-17 | 住友重機械工業株式会社 | Superconducting coil |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4158878B2 (en) | 2008-10-01 |
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