JPH0614404Y2 - Superconducting magnet - Google Patents
Superconducting magnetInfo
- Publication number
- JPH0614404Y2 JPH0614404Y2 JP1987064763U JP6476387U JPH0614404Y2 JP H0614404 Y2 JPH0614404 Y2 JP H0614404Y2 JP 1987064763 U JP1987064763 U JP 1987064763U JP 6476387 U JP6476387 U JP 6476387U JP H0614404 Y2 JPH0614404 Y2 JP H0614404Y2
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- Japan
- Prior art keywords
- normal conductor
- superconductor
- hole
- superconducting
- coil
- 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
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Description
【考案の詳細な説明】 ［産業上の利用分野］ 第３図に示すような超電導体コイル１０Ａ、１０Ｂが提
案されている（特開昭58-19147号公報参照）。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] Superconductor coils 10A and 10B as shown in FIG. 3 have been proposed (see Japanese Patent Laid-Open No. 58-19147).
２０は常電導体で、銅などからなる。あるいは、ステン
レスなどの上に銅の層を設けたものもある。A normal conductor 20 is made of copper or the like. Alternatively, there is one in which a copper layer is provided on stainless steel or the like.
３０は超電導体で、常電導体２０上にらせん状に形成し
たもので、Ｎｂ3Ｓｎなどからなる。A superconductor 30 is formed in a spiral shape on the normal conductor 20 and is made of Nb 3 Sn or the like.
なお、超電導体３０の巻き方向が、超電導コイル１０Ａ
と１０Ｂとで、逆になっている。In addition, the winding direction of the superconductor 30 is the superconducting coil 10A.
And 10B are reversed.
超電導コイル１０ＡのIV−IV断面を第４ａ〜４ｃ図に示
す。The IV-IV cross section of the superconducting coil 10A is shown in FIGS. 4a to 4c.
第４ａ図は、常電導体２０の片側に、超電導体３０の層
のみを設けたもの。FIG. 4 a shows the normal conductor 20 provided with only one layer of the superconductor 30 on one side.
第４ｂ図は、超電導体３０の下にそれと同じ幅の常電導
体２２（常電導体２０の一部）の層を設けたもの。FIG. 4b shows a layer of the normal conductor 22 (a part of the normal conductor 20) having the same width as that under the superconductor 30.
第４ｃ図は、常電導体２０の両面に超電導体３０を設け
たもの、である。FIG. 4c shows the superconductor 30 provided on both surfaces of the normal conductor 20.
なお、図示はしないが、常電導体２０が、円板状でな
く、円筒状のものもある（特開昭59-58803号公報参
照）。Although not shown, the normal conductor 20 may have a cylindrical shape instead of a disk shape (see Japanese Patent Laid-Open No. 59-58803).
ただし、以下、円板状のものを例にとって説明を進行す
る。However, in the following, the description will proceed with a disk-shaped one as an example.
第５図のように、上記の超電導コイル１０Ａ、１０Ｂを
交互に積層し、隣合うコイルの超電導体３０の内側端部
３４、外側端部３６同士を順次接続し、超低温に冷却し
て、超電導マグネットを構成する。As shown in FIG. 5, the superconducting coils 10A and 10B described above are alternately laminated, the inner end portions 34 and the outer end portions 36 of the superconductors 30 of the adjacent coils are sequentially connected, and the superconducting coils are cooled to an ultralow temperature to obtain superconductivity. Make up a magnet.
この考案は、以上の超電導マグネットに関するものであ
り、特に超電導体３０の内側端部３４や外側端部３６の
接続部分に関するものである。The present invention relates to the above-mentioned superconducting magnet, and more particularly to a connecting portion of the inner end portion 34 and the outer end portion 36 of the superconductor 30.
［従来の技術］ 第６図の接続テープ４０を使用するもので発表されてい
る（実開昭60-11412号公報参照）。[Prior Art] It has been announced that the connection tape 40 of FIG. 6 is used (see Japanese Utility Model Laid-Open No. 60-11412).
接続テープ４０は、常電導体４２と超電導体４４との２
重構造になっている。The connection tape 40 includes a normal conductor 42 and a superconductor 44.
It has a heavy structure.
これを、第７図のように、上下の超電導コイル１０Ａ、
１０Ｂ間に入れ、超電導体３０を接続する。As shown in FIG. 7, the upper and lower superconducting coils 10A,
It is put between 10B and the superconductor 30 is connected.
［考案が解決しようとする問題点］ (1)常電導体２０の両面に超電導体３０のある場合は、
上記第７図のようにすることができるが、超電導体３０
が片面のみの場合は、第６図の構造の接続テープ４０を
そのまま使用することができない。[Problems to be Solved by the Invention] (1) If there are superconductors 30 on both sides of the normal conductor 20,
It can be done as shown in FIG.
If only one side is used, the connecting tape 40 having the structure shown in FIG. 6 cannot be used as it is.
(2)超電導体コイル同士の締結力が弱い。(2) The fastening force between the superconductor coils is weak.
(3)超電導コイルのより一層の安定化を図るためには、
隣接する超電導体コイルの常電導体２０同士を電気的に
接続することが望ましい。しかし、上記の接続テープ４
０の使用だけでは、それができないので、さらに別の手
段をとらなければならない。(3) To further stabilize the superconducting coil,
It is desirable to electrically connect the normal conductors 20 of adjacent superconductor coils. However, the connection tape 4 above
You can't do that just by using 0, so you have to take additional measures.
［問題点を解決するための手段］ この考案は、第１ａ図〜第２図のように、 (1)たとえば上下に隣合う超電導コイル１０Ａ，１０Ｂ
の一方（たとえば１０Ｂ）においては、超電導体３０
は、端部において常電導体２０に設けた孔２４を通って
常電導体２０の裏面にまで達するようにしておき、その
裏面に表れた部分３８を、他方（たとえば超電導コイル
１０Ａ）の超電導体３０の端部に接触させること、 (2)また他方（たとえば超電導コイル１０Ａ）において
も、前記孔２４に対応する位置に、超電導体３０および
常電導体２０を貫通する孔２６を設け、 (3)特に超電導コイル１０Ａ，１０Ｂの一方（たとえば
１０Ｂ）の常電導体２０に接触できる構造のボルト頭５
２を持つ常電導体製のボルト５０を用い、 そのボルト５０を、孔２４、孔２６に通し、常電導体製
のナット５６を締めて、当該ナット５６を前記超電導コ
イル１０Ａ，１０Ｂの他方（たとえば１０Ａ）の常電導
体２０に電気的に接続させたこと、 という構成をとることによって、上記の問題の解決を図
ったものである。[Means for Solving the Problems] This invention is, as shown in FIGS. 1a and 2, (1) For example, superconducting coils 10A and 10B which are vertically adjacent to each other
In one (for example, 10B), the superconductor 30
Is made to reach the back surface of the normal conductor 20 through the hole 24 provided in the normal conductor 20 at the end, and the portion 38 appearing on the back surface is connected to the other (for example, the superconducting coil 10A) superconductor. (2) In the other side (for example, the superconducting coil 10A), a hole 26 penetrating the superconductor 30 and the normal conductor 20 is provided at a position corresponding to the hole 24. ) Particularly, a bolt head 5 having a structure capable of contacting one of the superconducting coils 10A and 10B (for example, 10B) with the normal conductor 20.
2, a bolt 50 made of a normal conductor is passed through the holes 24 and 26, and a nut 56 made of a normal conductor is tightened, and the nut 56 is attached to the other side of the superconducting coils 10A, 10B ( For example, the above-mentioned problem is solved by adopting a configuration in which the normal conductor 20 of 10 A) is electrically connected.
［第１実施例］（第１ａ図、第１ｂ図） 超電導コイル１０Ａ，１０Ｂが、第１ａ図のように、１
０Ｂが上になって重なっている場合について説明する。[First Embodiment] (Figs. 1a and 1b) As shown in Fig. 1a, the superconducting coils 10A and 10B are
The case where 0B is on top and overlaps will be described.
上側の超電導コイル１０Ｂの超電導体３０の内側端部３
４の幅を少し広くする。Inner end 3 of the superconductor 30 of the upper superconducting coil 10B
Increase the width of 4 a little.
常電導体２０に孔２４を設ける。A hole 24 is provided in the normal conductor 20.
そして、超電導体３０が孔２４の内面を通って常電導体
２０の裏面にまで達するようにする（第１ｂ図）。Then, the superconductor 30 is made to reach the back surface of the normal conductor 20 through the inner surface of the hole 24 (FIG. 1b).
３８は裏面に表れた超電導体の部分で、この部分にも若
干の厚みを持たせてある（この厚みがないと、超電導コ
イル１０Ａの超電導体３０が超電導コイル１０Ｂの常電
導体２０に接触し、冷媒の流れを阻害する）。Reference numeral 38 denotes a superconductor portion appearing on the back surface, and this portion also has a slight thickness (without this thickness, the superconductor 30 of the superconducting coil 10A contacts the normal conductor 20 of the superconducting coil 10B. , Obstruct the flow of refrigerant).
下側の超電導コイル１０Ａにおいても、超電導体３０の
内側端部３４の幅を少し広くする。Also in the lower superconducting coil 10A, the width of the inner end portion 34 of the superconductor 30 is slightly widened.
また、孔２４に対応する位置に、超電導体３０および常
電導体２０を貫通する孔２６設ける。Further, a hole 26 penetrating the superconductor 30 and the normal conductor 20 is provided at a position corresponding to the hole 24.
５０は常電導体製のボルトである。その頭５２の両端部
５４は下向きに折曲げてある。50 is a bolt made of a normal conductor. Both ends 54 of the head 52 are bent downward.
５６は常電導体製のナット、 ５８は常電導体製の皿バネである。Reference numeral 56 is a nut made of a normal conductor, and 58 is a disc spring made of a normal conductor.
［作用］ 第１ｃ図のように、超電導コイル１０Ａ、１０Ｂを重
ね、孔２４、孔２６にボルト５０を通し、ナット５６を
締める。[Operation] As shown in FIG. 1c, the superconducting coils 10A and 10B are stacked, the bolt 50 is passed through the holes 24 and 26, and the nut 56 is tightened.
コイル１０Ｂの超電導体３０の裏面に表れた部分３８
と、コイル１０Ａの超電導体３０とが接触接続する。Portion 38 of the coil 10B, which appears on the back surface of the superconductor 30.
And the superconductor 30 of the coil 10A are in contact with each other.
常電導体製のボルト５０の頭５２の両端部５４は、コイ
ル１０Ｂの常電導体２０に接触する。Both ends 54 of the head 52 of the bolt 50 made of a normal conductor come into contact with the normal conductor 20 of the coil 10B.
また常電導体製のナット５６は、常電導体製のスプリン
グ５８を介してコイル１０Ａの常電導体２０の裏面に電
気的に接続する。Further, the nut 56 made of a normal conductor is electrically connected to the back surface of the normal conductor 20 of the coil 10A via a spring 58 made of a normal conductor.
これにより、超電導コイル１０Ａ、Ｂの常電導体２０同
士も接続される。As a result, the normal conductors 20 of the superconducting coils 10A and 10B are also connected.
［第２実施例］（第２図） これは、第４ｂ図のように、超電導体３０の下に常電導
体２２の層がある場合である。[Second Embodiment] (Fig. 2) This is the case where the layer of the normal conductor 22 is below the superconductor 30 as shown in Fig. 4b.
上記同様に、超電導体３０の端部は少し幅広くするが、
常電導体２２はそれ以上に幅を広くする。Similarly to the above, the end portion of the superconductor 30 is made slightly wider,
The normal conductor 22 is wider than that.
そして、上側のコイル１０Ｂにおいては、その幅を広く
した部分に、ボルト頭５２の両端部５４が接触するよう
にする。Then, in the upper coil 10B, both ends 54 of the bolt head 52 are brought into contact with the widened portion.
また、下側のコイル１０Ａにおいては、常電導体２２が
スルーホールし、その裏面に表れた部分２８がナット５
６と接触するようにする。Further, in the lower coil 10A, the normal conductor 22 is a through hole, and the portion 28 exposed on the back surface is the nut 5
Make contact with 6.
その他は、上記第１実施例の場合と同じである。Others are the same as in the case of the first embodiment.
［考案の効果］ (1)隣合う超電導コイル１０Ａ，１０Ｂの一方（たとえ
ば１０Ｂ）においては、超電導体３０は、端部において
常電導体２０に設けた孔２４を通って常電導体２０の裏
面にまで達するようにしておき、その裏面に表された部
分３８を、他方（たとえば超電導コイル１０Ａ）の超電
導体３０の端部に接触させるので、 隣接する超電導体コイルの超電導体３０同士が電気的に
接続される。[Advantages of the Invention] (1) In one of the adjacent superconducting coils 10A, 10B (for example, 10B), the superconductor 30 passes through the hole 24 provided in the normal conductor 20 at the end and the back surface of the normal conductor 20. Since the portion 38 on the back surface thereof is brought into contact with the end of the superconductor 30 on the other side (for example, the superconducting coil 10A), the superconductors 30 of the adjacent superconductor coils are electrically connected to each other. Connected to.
(2)また他方（たとえば超電導コイル１０Ａ）において
も、前記孔２４に対応する位置に、超電導体３０および
常電導体２０を貫通する孔２６を設け、 前記超電導コイル１０Ａ，１０Ｂの一方（たとえば１０
Ｂ）の常電導体２０に接触するボルト頭５２を持つ常電
導体製のボルト５０を、孔２４、孔２６に通し、常電導
体製のナット５６を締めて、当該ナット５６を前記超電
導コイル１０Ａ，１０Ｂの他方（たとえば１０Ａ）の常
電導体２０に電気的に接続させるので、 隣接する超電導体コイルの常電導体２０同士が電気的に
接続される。(2) Also in the other (for example, the superconducting coil 10A), a hole 26 penetrating the superconductor 30 and the normal conductor 20 is provided at a position corresponding to the hole 24, and one of the superconducting coils 10A and 10B (for example, 10
A bolt 50 made of a normal conductor having a bolt head 52 contacting the normal conductor 20 of B) is passed through the holes 24 and 26, and a nut 56 made of a normal conductor is tightened, and the nut 56 is connected to the superconducting coil. Since it is electrically connected to the other normal conductor 20 of 10A and 10B (for example, 10A), the normal conductors 20 of adjacent superconductor coils are electrically connected to each other.
(3)ボルト５０の締付けにより、上記のように隣接する
超電導体コイルの超電導体３０同士と常電導体２０同士
とが同時に接続される。(3) By tightening the bolts 50, the superconductors 30 and the normal conductors 20 of the adjacent superconductor coils are simultaneously connected as described above.
そのため、接合箇所が少なくなり、接続工程が少なくな
る。Therefore, the number of joints is reduced and the number of connecting steps is reduced.
(4)ボルト５０を使用するので、コイルに異常が発生し
た場合に、異常のコイルのみ交換することができる。(4) Since the bolt 50 is used, when an abnormality occurs in the coil, only the abnormal coil can be replaced.
第１ａ図は本考案の第１実施例の主要部分の分解説明図
で、 第１ｂ図は超電導体端部の説明図、 第１ｃ図は結合状態の説明図、 第２図は第２実施例の主要部分の分解説明図、 第３図はディスク状の超電導体コイルの一般的説明図、 第４ａ図、第４ｂ図、第４ｃ図は、第３図のIV−IV断面
の異なる例の説明図、 第５図は超電導体コイルを重ねて超電導マグネットを構
成した状態の説明図、 第６図は従来技術の接続テープ４０の説明図で、 第７図はその使用状態の説明図。 １０：超電導コイル ２０，２２，４２：常電導体 ２４，２６：孔 ２８，３８：裏面に表れた部分 ３０，４４：超電導体 ３４：内側端部、３６：外側端部 ４０：接続テープ、５０：ボルト ５２：ボルト頭、５４：両端部 ５６：ナットFIG. 1a is an exploded explanatory view of a main part of the first embodiment of the present invention, FIG. 1b is an explanatory view of an end portion of a superconductor, FIG. 1c is an explanatory view of a coupled state, and FIG. 2 is a second embodiment. Exploded explanatory view of the main part of FIG. 3, FIG. 3 is a general explanatory view of a disk-shaped superconductor coil, and FIGS. 4a, 4b, and 4c are explanatory views of different examples of IV-IV cross section of FIG. 5 and FIG. 5 are explanatory views of a state in which superconducting coils are stacked to form a superconducting magnet, FIG. 6 is an explanatory diagram of a connection tape 40 of a conventional technique, and FIG. 7 is an explanatory diagram of its usage state. 10: Superconducting coil 20, 22, 42: Normal conductor 24, 26: Hole 28, 38: Portion shown on the back surface 30, 44: Superconductor 34: Inner end portion, 36: Outer end portion 40: Connection tape, 50 : Bolt 52: Bolt head, 54: Both ends 56: Nut
───────────────────────────────────────────────────── フロントページの続き (72)考案者 吉田 昭太郎 東京都江東区木場１丁目５番１号 藤倉電 線株式会社内 (72)考案者 山之内 宏 東京都江東区木場１丁目５番１号 藤倉電 線株式会社内 (72)考案者 丹 正之 東京都江東区木場１丁目５番１号 藤倉電 線株式会社内 (72)考案者 横山 繁嘉寿 東京都江東区木場１丁目５番１号 藤倉電 線株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Shotaro Yoshida 1-5-1, Kiba, Koto-ku, Tokyo Fujikura Electric Wire Co., Ltd. (72) Hiroshi Yamanouchi 1-1-5, Kiba, Koto-ku, Tokyo Fujikura Electric Wire Co., Ltd. (72) Inventor Masayuki Tan 1-5-1, Kiba, Koto-ku, Tokyo Fujikura Electric Line Co., Ltd. (72) Inventor Shigeyoshi Yokoyama 1-1-5, Kiba, Koto-ku, Tokyo Fujikura Den Line Co., Ltd.
Claims (1)
に、らせん形の超電導体３０を形成した超電導コイル１
０を、多重に配列し、各超電導体３０の端部を順次接続
して構成した超電導マグネットにおいて、隣合う超電導
コイル１０Ａ，１０Ｂの一方（たとえば１０Ｂ）におい
ては、超電導体３０は、端部において常電導体２０に設
けた孔２４を通って常電導体２０の裏面にまで達し、そ
の裏面に表れた部分３８を他方（たとえば超電導コイル
１０Ａ）の超電導体３０の端部に接触させ、 また他方（たとえば超電導コイル１０Ａ）においても、
前記孔２４に対応する位置に、超電導体３０および常電
導体２０を貫通する孔２６を設け、前記超電導コイル１
０Ａ，１０Ｂの一方（たとえば１０Ｂ）の常電導体２０
に接触するボルト頭５２を持つ常電導体製のボルト５０
を、孔２４、孔２６に通し、常電導体製のナット５６を
締めて、当該ナット５６を前記超電導コイル１０Ａ，１
０Ｂの他方（たとえば１０Ａ）の常電導体２０に電気的
に接続させたことを特徴とする、超電導マグネット。1. A superconducting coil 1 in which a spiral superconductor 30 is formed on the surface of a disk-shaped or cylindrical normal conductor 20.
In a superconducting magnet in which 0s are arranged in multiples and the ends of the respective superconductors 30 are sequentially connected, in one of the adjacent superconducting coils 10A and 10B (for example, 10B), the superconductor 30 has an end. The portion 38 that reaches the back surface of the normal conductor 20 through the hole 24 provided in the normal conductor 20 and that appears on the back surface is brought into contact with the end of the superconductor 30 of the other (for example, the superconducting coil 10A), and the other (For example, superconducting coil 10A)
A hole 26 penetrating the superconductor 30 and the normal conductor 20 is provided at a position corresponding to the hole 24.
One of 0A and 10B (for example, 10B) normal conductor 20
Normal conductor bolt 50 having a bolt head 52 that contacts the
Through a hole 24 and a hole 26, and a nut 56 made of a normal conductor is tightened, and the nut 56 is inserted into the superconducting coil 10A, 1A.
A superconducting magnet, which is electrically connected to the other normal conductor 20 of 0B (for example, 10A).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987064763U JPH0614404Y2 (en) | 1987-04-28 | 1987-04-28 | Superconducting magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987064763U JPH0614404Y2 (en) | 1987-04-28 | 1987-04-28 | Superconducting magnet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63177011U JPS63177011U (en) | 1988-11-16 |
| JPH0614404Y2 true JPH0614404Y2 (en) | 1994-04-13 |
Family
ID=30901218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987064763U Expired - Lifetime JPH0614404Y2 (en) | 1987-04-28 | 1987-04-28 | Superconducting magnet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0614404Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2508722B2 (en) * | 1987-05-26 | 1996-06-19 | 日立電線株式会社 | Superconducting coil |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS497411U (en) * | 1972-04-22 | 1974-01-22 | ||
| JPS6192012U (en) * | 1984-11-22 | 1986-06-14 |
-
1987
- 1987-04-28 JP JP1987064763U patent/JPH0614404Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63177011U (en) | 1988-11-16 |
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