JPS6128203B2 - - Google Patents
Info
- Publication number
- JPS6128203B2 JPS6128203B2 JP14031878A JP14031878A JPS6128203B2 JP S6128203 B2 JPS6128203 B2 JP S6128203B2 JP 14031878 A JP14031878 A JP 14031878A JP 14031878 A JP14031878 A JP 14031878A JP S6128203 B2 JPS6128203 B2 JP S6128203B2
- Authority
- JP
- Japan
- Prior art keywords
- winding
- superconducting
- flanges
- coil
- 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
Links
- 238000004804 winding Methods 0.000 claims description 59
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000005284 excitation Effects 0.000 description 8
- 238000009825 accumulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005219 brazing Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Superconductive Dynamoelectric Machines (AREA)
Description
【発明の詳細な説明】
本発明は超電導巻線を巻回して成る超電導コイ
ルに関するもので、特に、電磁機械力による超電
導巻線の破断、動き、くずれ等を防止することを
目的としている。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a superconducting coil formed by winding a superconducting winding, and particularly aims to prevent the superconducting winding from breaking, moving, deforming, etc. due to electromagnetic mechanical force.
従来、円筒形の超電導コイルとしては、第１図
に示す構成を有していた。即ち、図において、１
は巻枠、２はこの巻枠１に巻回された超電導巻
線、３は高張力の金属線又はテープから成る補強
巻線で、超電導巻線２を巻枠１に固定するために
設けられたものである。 Conventionally, a cylindrical superconducting coil has had the configuration shown in FIG. That is, in the figure, 1
is a winding frame, 2 is a superconducting winding wound around this winding frame 1, and 3 is a reinforcing winding made of high-tensile metal wire or tape, which is provided to fix the superconducting winding 2 to the winding frame 1. It is something that
しかして、上記構成要素から成る超電導コイル
を励磁すると、コイルの超電導巻線２には、超電
導巻線２に流れる電流とコイルに発生する磁界と
の積に比例した電磁機械力が作用する。即ち、第
２図に示されるように、超電導巻線２を軸方向に
圧縮する電磁機械力と超電導巻線２を径方向に拡
張する電磁機械力とが生じるものである。例え
ば、コイルが比較的大型化し、直径、長さがとも
に20cm又はそれ以上であり、かつ、発生磁力が
5T以上になると、累積される電磁機械力も強大
なものとなり、特に、圧縮方向に作用する電磁機
械力は10トンを越える値となることもしばしばあ
り、この電磁機械力はコイルの長さが長くなるほ
ど大きな値を示す。補強巻線３は、これら電磁機
械力による超電導巻線２の破断、動き、くずれ等
を防止するために施されたものである。 When the superconducting coil made up of the above components is excited, an electromagnetic mechanical force proportional to the product of the current flowing through the superconducting winding 2 and the magnetic field generated in the coil acts on the superconducting winding 2 of the coil. That is, as shown in FIG. 2, an electromagnetic mechanical force that compresses the superconducting winding 2 in the axial direction and an electromagnetic mechanical force that expands the superconducting winding 2 in the radial direction are generated. For example, the coil is relatively large, with a diameter and length of 20 cm or more, and the generated magnetic force is
When the load exceeds 5T, the accumulated electromagnetic mechanical force becomes strong, and in particular, the electromagnetic mechanical force acting in the compression direction often exceeds 10 tons. I see, it shows a large value. The reinforcing winding 3 is provided to prevent the superconducting winding 2 from breaking, moving, breaking, etc. due to these electromagnetic mechanical forces.
しかしながら、従来の超電導コイルは、補強巻
線３により径方向に拡張する電磁機械力を抑制し
て超電導巻線２が巻枠１から離脱するのを防止し
ているが、この補強巻線３は軸方向に圧縮する電
磁機械力に対しては、その抑制力は弱く何等効果
を示さない。このため、第３図に示されるよう
に、圧縮する電磁機械力の累積により点Ａ付近に
おいて、超電導巻線２が補強巻線３の外側にはみ
出されて巻線のくずれを生じていた。 However, in conventional superconducting coils, the reinforcing winding 3 prevents the superconducting winding 2 from separating from the winding frame 1 by suppressing the electromagnetic mechanical force expanding in the radial direction. The suppressing force is weak and has no effect on electromagnetic mechanical force compressing in the axial direction. For this reason, as shown in FIG. 3, the superconducting winding 2 was pushed out to the outside of the reinforcing winding 3 near point A due to the accumulation of the compressive electromagnetic force, causing the winding to collapse.
本発明は上記のような従来のものの欠点を除去
するためになされたもので、巻軸とともにその両
端部に形成されて巻枠を構成する一対のフランジ
間に、巻軸に固定された中間フランジを設け超電
導巻線を軸方向に分割することにより軸方向に圧
縮する電磁機械力を減少させて超電導巻線のくず
れや動きが生じない性能の優れた超電導コイルを
提供するものである。 The present invention has been made in order to eliminate the drawbacks of the conventional ones as described above, and includes an intermediate flange fixed to the winding shaft between a pair of flanges formed at both ends of the winding shaft and forming a winding frame. The present invention provides a superconducting coil with excellent performance in which the superconducting winding is divided in the axial direction to reduce the electromagnetic mechanical force that compresses the superconducting winding in the axial direction, thereby preventing the superconducting winding from collapsing or moving.
以下、図示実施例について本発明を説明する。
第４図において、従来のものと同一部分は同一符
号を用い、４は巻軸であり、この巻軸４の両端部
に一対のフランジ５，６が形成されており、さら
に、この一対のフランジ５，６間には前記巻軸４
に溶接やろう付け等によつて固定された超電導巻
線２を軸方向に分割する中間フランジ７，７が設
けられている。そして、この中間フランジ７，７
は一対のフランジ５，６とともに巻軸４に一体と
なつており、これらにより巻枠を構成している。 The invention will now be described with reference to illustrated embodiments.
In FIG. 4, the same parts as the conventional one are given the same reference numerals, 4 is a winding shaft, a pair of flanges 5 and 6 are formed at both ends of this winding shaft 4, and furthermore, this pair of flanges Between 5 and 6 is the winding shaft 4.
Intermediate flanges 7, 7 are provided for axially dividing the superconducting winding 2, which is fixed by welding, brazing, or the like. And this intermediate flange 7,7
is integrated with the winding shaft 4 together with a pair of flanges 5 and 6, and these constitute a winding frame.
したがつて、第４図に示される超電導コイル
は、二つの中間フランジ７，７により超電導巻線
２が軸方向に三つの小コイルに分割される。故
に、軸方向に圧縮する電磁機械力の累積は中間フ
ランジ７，７によりしや断されて従来のものに比
べて著しく減少される。即ち、フランジ５と中間
フランジ７との間の小コイルと、フランジ６と中
間フランジ７との間の小コイルとに発生するそれ
ぞれの圧縮電磁機械力は中間フランジ７，７間の
小コイルには伝わらないことになる。このため、
従来のもののように、超電導巻線２が補強巻線３
の外側にはみ出すことはなく超電導巻線のくずれ
や動きは生じない。また、本発明による超電導コ
イルは優れた性能を発揮する。例えば、本発明に
よる超電導コイルの仕様をその有効内径150mm、
外径232mm、長さ220mm、巻数3664回、超電導巻線
の径を1.42mmとし、従来のものの仕様を有効内径
150mm、外径235mm、長さ200mm、巻数3880回、超
電導巻線の径を1.42mmとして比較すると、第５図
に示される特性が得られる。即ち、直線Ａは本発
明による超電導コイルの励磁特性であり、直線Ｂ
は従来のものの励磁特性である。（なお、図にお
いて、それぞれ白丸は第１回目の励磁特性、黒丸
は数回の励磁の後に最終的に到達した励磁特性で
ある。）図から明らかなように、本発明による超
電導コイルには、超電導巻線の臨界電流値の軌跡
ＩC付近まで電流が流れるのに対して、従来のも
のにはその1/2程度しか流れないのが判る。又、
従来のものには励磁後に超電導巻線２にかなりの
くずれが見られたが、本発明のものには全く確認
されず、優れた性能を発揮することができた。 Therefore, in the superconducting coil shown in FIG. 4, the superconducting winding 2 is divided into three small coils in the axial direction by the two intermediate flanges 7, 7. Therefore, the accumulation of axially compressive electromagnetic forces is interrupted by the intermediate flanges 7, 7 and is significantly reduced compared to the prior art. That is, the compressive electromagnetic mechanical force generated in the small coil between the flange 5 and the intermediate flange 7 and the small coil between the flange 6 and the intermediate flange 7 is applied to the small coil between the intermediate flanges 7 and 7. It will not be conveyed. For this reason,
Like the conventional one, the superconducting winding 2 is the reinforcing winding 3.
The superconducting windings do not protrude outside the coil, and the superconducting windings do not collapse or move. Moreover, the superconducting coil according to the present invention exhibits excellent performance. For example, the specifications of the superconducting coil according to the present invention are such that its effective inner diameter is 150 mm,
The outer diameter is 232 mm, the length is 220 mm, the number of turns is 3664, the diameter of the superconducting winding is 1.42 mm, and the effective inner diameter is the same as that of the conventional one.
150 mm, outer diameter 235 mm, length 200 mm, number of turns 3880, and the diameter of the superconducting winding 1.42 mm, the characteristics shown in FIG. 5 are obtained. That is, straight line A is the excitation characteristic of the superconducting coil according to the present invention, and straight line B is the excitation characteristic of the superconducting coil according to the present invention.
is the excitation characteristic of the conventional one. (In the figure, the white circles are the excitation characteristics of the first excitation, and the black circles are the excitation characteristics finally reached after several excitations.) As is clear from the figure, the superconducting coil according to the present invention has the following characteristics: It can be seen that while the current flows up to the vicinity of the locus I C of the critical current value in the superconducting winding, only about half of that flows in the conventional winding. or,
Although considerable deformation of the superconducting winding 2 was observed in the conventional device after excitation, this was not observed at all in the device of the present invention, and excellent performance could be demonstrated.
なお、上記実施例における中間フランジの数
は、超電導コイルの仕様に応じて変わるが、通常
は二つあるいは三つ設ければ十分である。 Note that the number of intermediate flanges in the above embodiments varies depending on the specifications of the superconducting coil, but it is usually sufficient to provide two or three.
また、実施例においては超電導巻線の外周に補
強巻線を施したが、他の実施例として、第６図に
示されるように、非磁性材の補強外筒８を設ける
こともでき、半径方向に拡散する電磁機械力に対
しても強大な抑制力を得ることができる。 Further, in the embodiment, a reinforcing winding was applied to the outer periphery of the superconducting winding, but in another embodiment, as shown in FIG. A strong suppressing force can be obtained even against electromagnetic mechanical force that spreads in the direction.
さらに、本発明は円筒形ソレノイドコイルの他
に、レーストラツク形コイルやオーバル形コイル
等に拡く適用することができる。 Furthermore, the present invention can be applied not only to cylindrical solenoid coils but also to racetrack coils, oval coils, and the like.
以上のように本発明によれば、巻軸の両端部に
形成されている一対のフランジ間に、巻軸に固定
された中間フランジを設け、超電導巻線を軸方向
に分割することにより、軸方向に圧縮する電磁機
械力の累積をしや断し著しく減少させた巻線の動
きやくずれを防止することができ、優れた性能を
発揮する超電導コイルが得られる。 As described above, according to the present invention, an intermediate flange fixed to the winding shaft is provided between a pair of flanges formed at both ends of the winding shaft, and the superconducting winding is divided in the axial direction. The accumulation of electromagnetic mechanical force compressing in the direction can be stopped and movement and deformation of the winding can be significantly reduced, and a superconducting coil exhibiting excellent performance can be obtained.
第１図は従来の超電導コイルを示す縦断面図、
第２図は第１図の超電導巻線に加わる電磁機械力
の方向を示す概念図、第３図は従来の超電導コイ
ルの欠点を示す概念図、第４図は本発明の一実施
例による超電導コイルを示す縦断面図、第５図は
本発明による超電導コイルの特性を従来の超電導
コイルと比較して示すグラフ図、第６図は本発明
の他の実施例を示す縦断面図である。
２……超電導巻線、４……巻軸、５，６……フ
ランジ、７……中間フランジ、８……補強外筒。
尚、図中同一符号は同一或いは相当部分を示す。
Figure 1 is a vertical cross-sectional view showing a conventional superconducting coil.
Fig. 2 is a conceptual diagram showing the direction of electromagnetic mechanical force applied to the superconducting coil shown in Fig. 1, Fig. 3 is a conceptual diagram showing the drawbacks of the conventional superconducting coil, and Fig. 4 is a conceptual diagram showing the direction of the electromagnetic force applied to the superconducting coil of Fig. 1. FIG. 5 is a graph showing the characteristics of the superconducting coil according to the present invention in comparison with a conventional superconducting coil, and FIG. 6 is a longitudinal cross-sectional view showing another embodiment of the present invention. 2... Superconducting winding, 4... Winding shaft, 5, 6... Flange, 7... Intermediate flange, 8... Reinforced outer cylinder.
Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
フランジと、上記巻軸と一対のフランジとで成る
巻枠に巻回される超電導巻線とを備える超電導コ
イルにおいて、上記一対のフランジ間に、巻軸に
固定された中間フランジを設け超電導巻線を軸方
向に分割したことを特徴とする超電導コイル。 ２ 超電導巻線の外周に非磁性材の補強外筒を設
けたことを特徴とする特許請求の範囲第１項記載
の超電導コイル。[Scope of Claims] 1. A superconducting coil comprising a winding shaft, a pair of flanges formed at both ends of the winding shaft, and a superconducting winding wound around a winding frame made up of the winding shaft and the pair of flanges. A superconducting coil characterized in that an intermediate flange fixed to a winding shaft is provided between the pair of flanges to divide the superconducting winding in the axial direction. 2. The superconducting coil according to claim 1, characterized in that a reinforcing outer cylinder made of a non-magnetic material is provided around the outer periphery of the superconducting winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14031878A JPS5567114A (en) | 1978-11-13 | 1978-11-13 | Superconductive coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14031878A JPS5567114A (en) | 1978-11-13 | 1978-11-13 | Superconductive coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5567114A JPS5567114A (en) | 1980-05-21 |
| JPS6128203B2 true JPS6128203B2 (en) | 1986-06-28 |
Family
ID=15266012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14031878A Granted JPS5567114A (en) | 1978-11-13 | 1978-11-13 | Superconductive coil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5567114A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5175653B2 (en) * | 2008-08-12 | 2013-04-03 | 株式会社東芝 | Superconducting magnet |
-
1978
- 1978-11-13 JP JP14031878A patent/JPS5567114A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5567114A (en) | 1980-05-21 |
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