JPH0750209A - Superconducting magnet device - Google Patents
Superconducting magnet deviceInfo
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- JPH0750209A JPH0750209A JP3202794A JP3202794A JPH0750209A JP H0750209 A JPH0750209 A JP H0750209A JP 3202794 A JP3202794 A JP 3202794A JP 3202794 A JP3202794 A JP 3202794A JP H0750209 A JPH0750209 A JP H0750209A
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- Prior art keywords
- superconducting
- magnet device
- hollow cylindrical
- unit
- conductor
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Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、単位超電導磁石を直列
的あるいは並列的に複数接続して用いて構成される超電
導磁石装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a superconducting magnet device constructed by connecting a plurality of unit superconducting magnets in series or in parallel.
【0002】[0002]
【従来の技術】超電導現象を利用した超電導磁石装置
は、さまざまな分野に応用が期待されている。このよう
な超電導磁石装置は単位超電導磁石を直列的あるいは並
列的に複数接続して用いられることが多い。2. Description of the Related Art A superconducting magnet device utilizing a superconducting phenomenon is expected to be applied to various fields. Such a superconducting magnet device is often used by connecting a plurality of unit superconducting magnets in series or in parallel.
【0003】単位超電導磁石を複数組合わせて用いる場
合には、一般的に超電導磁石装置全体としてその単位超
電導磁石を組合わせた大きさになり、超電導磁石装置が
大型化するという欠点があった。When a plurality of unit superconducting magnets are used in combination, the size of the unit superconducting magnet is generally combined as the whole superconducting magnet device, and there is a drawback that the superconducting magnet device becomes large.
【0004】[0004]
【発明が解決しようとする課題】本発明は、上記のよう
に単位超電導磁石を複数組合わせて用いる場合には、超
電導磁石装置が大型化するという状況に鑑みてなされた
もので、その目的とするところは小型の超電導磁石装置
を提供することにある。SUMMARY OF THE INVENTION The present invention has been made in view of the situation that the size of a superconducting magnet device becomes large when a plurality of unit superconducting magnets are used in combination as described above. The point is to provide a small superconducting magnet device.
【0005】[0005]
【課題を解決するための手段】上記目的を達成するため
に請求項1記載の発明による超電導磁石装置は、少なく
とも表面が電気的絶縁材から成り、それぞれ径が異なり
同軸的に多重配置される第1および第2の中空筒状基体
と、この第1の中空筒状基体の周面に密着して螺旋状に
設けられる第1の超電導導体と、前記第2の中空筒状基
体の周面に密着して前記第1の超電導導体の螺旋の進行
方向と逆方向に進行する螺旋状に設けられる第2の超電
導導体と、前記第1および第2の超電導導体とを直列的
に短絡する短絡導体とから構成されることを特徴として
いる。In order to achieve the above object, a superconducting magnet device according to a first aspect of the present invention has at least a surface made of an electrically insulating material, each of which has a different diameter and is coaxially and multiply arranged. The first and second hollow cylindrical substrates, the first superconducting conductor spirally provided in close contact with the peripheral surface of the first hollow cylindrical substrate, and the peripheral surface of the second hollow cylindrical substrate. A second superconducting conductor provided in a spiral shape that closely adheres to the spiral direction of the first superconducting conductor and moves in a direction opposite to the spiral traveling direction, and a short-circuit conductor that short-circuits the first and second superconducting conductors in series. It is composed of and.
【0006】また、請求項2記載の発明による超電導磁
石装置は、少なくとも表面が電気的絶縁材から成り、そ
れぞれ径が異なり同軸的に多重配置される複数の中空筒
状基体と、この中空筒状基体のそれぞれの周面に密着し
て螺旋状に設けられる複数の超電導導体と、これら超電
導導体を直列的あるいは並列的に短絡する超電導短絡導
体とから構成されることを特徴としている。Further, in a superconducting magnet device according to a second aspect of the present invention, at least the surface is made of an electrically insulating material, and a plurality of hollow cylindrical substrates having different diameters and arranged coaxially in multiple layers, and the hollow cylindrical bodies. It is characterized in that it is composed of a plurality of superconducting conductors provided in a spiral shape so as to be in close contact with respective peripheral surfaces of the substrate, and a superconducting short-circuit conductor for short-circuiting these superconducting conductors in series or in parallel.
【0007】[0007]
【作用】上記のように構成された請求項1に記載の超電
導磁石装置によれば、複数の単位超電導磁石を多重配置
しているため、外観上の大きさは最も大きな径の筒状基
体の内部に、他の筒状基体が収納されて極めてコンパク
トに構成できる。また、直列接続する時に第1と第2の
隣接する超電導導体の螺旋の進行方向を逆方向として巻
回しているため、超電導導体に発生する電磁力を第1と
第2との超電導導体とで互いに打消すことができるため
超電導導体の発熱も極めて小さく抑制できる。According to the superconducting magnet device of the first aspect of the present invention configured as described above, since a plurality of unit superconducting magnets are multiply arranged, the external appearance of the tubular base body is the largest. It is possible to construct an extremely compact structure by accommodating another tubular substrate inside. Further, since the spiral directions of the first and second adjacent superconducting conductors are wound in opposite directions when they are connected in series, the electromagnetic force generated in the superconducting conductors is generated between the first and second superconducting conductors. Since they can cancel each other, the heat generation of the superconducting conductor can be suppressed to an extremely small level.
【0008】また上記のように構成された請求項2に記
載の超電導磁石装置によれば、単位超電導磁石を直列あ
るいは並列のいずれに接続する場合にも、複数の単位超
電導磁石を多重配置しているため、外観上の大きさは最
も大きな径の筒状基体の内部に、他の筒状基体が収納さ
れて極めてコンパクトに構成できる。Further, according to the superconducting magnet device of the second aspect of the present invention configured as described above, a plurality of unit superconducting magnets are multiply arranged even when the unit superconducting magnets are connected either in series or in parallel. Therefore, the external appearance can be extremely compact by accommodating another tubular base inside the tubular base having the largest diameter.
【0009】[0009]
【実施例】以下、本発明の超電導磁石装置の一実施例に
ついて図面を参照して説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the superconducting magnet device of the present invention will be described below with reference to the drawings.
【0010】本発明の超電導磁石装置は単位超電導磁石
を複数直列あるいは並列に接続して超電導磁石装置を構
成するものであり、この単位磁石の構成の詳細について
は、後述するが、基本的には中空筒状基体の周囲に超電
導導体を螺旋状に密着して設けて構成されている。The superconducting magnet device of the present invention is a device for constructing a superconducting magnet device by connecting a plurality of unit superconducting magnets in series or in parallel, and the details of the constitution of the unit magnet will be described later, but basically. A superconducting conductor is spirally adhered around a hollow cylindrical substrate.
【0011】図1において示す実施例は、3つの単位磁
石を用いて超電導磁石装置を構成する例であり、大中小
とそれぞれ径の異なる3つの単位磁石21,22,23
を非接触状態で同軸的に多重配置して、これら単位磁石
21,22,23の両端を端板25で固定するようにし
た構成である。なお、各々の単位磁石には超電導導体1
3が螺旋状に密着して設けられている。The embodiment shown in FIG. 1 is an example of constructing a superconducting magnet device using three unit magnets, and three unit magnets 21, 22, 23 having different diameters for large, medium and small respectively.
Are arranged coaxially in a non-contact state, and both ends of these unit magnets 21, 22, 23 are fixed by end plates 25. In addition, each unit magnet has a superconducting conductor 1
3 are closely attached in a spiral shape.
【0012】端板25は、図2(a)および(b)に示
すように、円板状の部材の一方の面に単位磁石21乃至
23の各端部が嵌入し得る3本の溝26,27,28を
同軸的に形成したものである。この端板25を用いて単
位磁石21乃至23を短絡させるには例えば次に示す2
つの構成が適当である。As shown in FIGS. 2A and 2B, the end plate 25 has three grooves 26 into which the ends of the unit magnets 21 to 23 can be fitted on one surface of a disk-shaped member. , 27, 28 are formed coaxially. To short-circuit the unit magnets 21 to 23 using this end plate 25, for example, the following 2
One configuration is suitable.
【0013】まず、第1にはその端板25自身を超電導
導体で形成することである。First, the end plate 25 itself is formed of a superconducting conductor.
【0014】また、第2に図示のごとく各溝26乃至2
8に単位磁石のそれぞれの超電導導体13に接触する面
に超電導導体からなる短絡部29,30,31を設ける
構成である。これらの短絡部29乃至31は例えば溝2
6乃至28内に設けられた超電導導体層から成り、これ
らの短絡部29乃至31を適当な方法で短絡させれば良
い。Secondly, as shown in the drawing, each groove 26 to 2 is formed.
8 is a configuration in which short-circuit portions 29, 30, 31 made of superconducting conductors are provided on the surfaces of the unit magnets that contact the respective superconducting conductors 13. These short-circuited portions 29 to 31 are, for example, the groove 2
The superconducting conductor layers 6 to 28 are provided, and these short-circuit portions 29 to 31 may be short-circuited by an appropriate method.
【0015】このように構成することによって、超電導
導体13を簡単に並列接続することができるので、一つ
の単位磁石から成るものに比較してその電流容量を増加
させることができる。この結果、高い磁界を発生させ得
る超電導磁石装置を提供することができる。しかも、上
記実施例では各単位磁石21乃至23の両端を端板25
に嵌合させるだけで各単位磁石21乃至23に形成され
た超電導導体13を並列接続できるので、製作性も良好
である。特に、後述するように超電導導体13を薄膜形
成法により形成した超電導導体層から構成した場合には
上記短絡方法は有効である。With this structure, the superconducting conductors 13 can be easily connected in parallel, so that the current capacity thereof can be increased as compared with that of one unit magnet. As a result, it is possible to provide a superconducting magnet device that can generate a high magnetic field. Moreover, in the above-described embodiment, the end plates 25 are attached to both ends of each unit magnet 21 to 23.
Since the superconducting conductors 13 formed on each of the unit magnets 21 to 23 can be connected in parallel by simply fitting them to each other, the manufacturability is also good. In particular, when the superconducting conductor 13 is composed of a superconducting conductor layer formed by a thin film forming method as described later, the above short-circuiting method is effective.
【0016】なお、短絡部29乃至31の接続方法を工
夫することにより各超電導導体13を直列接続すること
も可能である。このように直列接続する場合には以下の
構成が有効である。すなわち、直列接続された超電導導
体13同士が互いに逆方向に進行するような螺旋になる
ように単位磁石を多重配置するのである。このように構
成することにより各単位磁石で発生する磁場の影響を互
いに打消すことができるという優れた作用・効果が得ら
れる。It is also possible to connect the superconducting conductors 13 in series by devising a method of connecting the short-circuited portions 29 to 31. The following configuration is effective for such a series connection. That is, the unit magnets are multiply arranged so that the superconducting conductors 13 connected in series form a spiral such that they travel in opposite directions. With such a configuration, it is possible to obtain the excellent action and effect that the influences of the magnetic fields generated by the unit magnets can be canceled each other.
【0017】次に、図3に示す実施例は本発明の超電導
磁石装置の他の実施例を示すものであり、図3において
は、各単位磁石21乃至23の各超電導導体13の接続
は、各単位磁石21乃至23の各外周端部を超電導導体
から成るリード線35で接続するようにしたものであ
る。このようにリード線35で接続する場合には図2に
示すような端板25の製作が不要である。Next, the embodiment shown in FIG. 3 shows another embodiment of the superconducting magnet device of the present invention. In FIG. 3, the connection of each superconducting conductor 13 of each unit magnet 21 to 23 is as follows. The outer peripheral ends of the unit magnets 21 to 23 are connected by a lead wire 35 made of a superconducting conductor. When connecting with the lead wire 35 as described above, it is not necessary to manufacture the end plate 25 as shown in FIG.
【0018】以下に、本発明の超電導磁石装置に用いら
れる単位磁石の一構成例について説明する。An example of the structure of a unit magnet used in the superconducting magnet device of the present invention will be described below.
【0019】図4は、単位磁石の外観を示すものであ
り、この単位磁石11は中空筒状基体12の外周面(外
表面)に、上記基体12の軸方向に進行するような螺旋
状の超電導導体層13を形成したものである。中空筒状
基体12は例えば強化プラスチックあるいはセラミック
ス等の比較的強度の高い絶縁体、またはステンレス鋼製
の中空筒状の外周面に例えばセラミックスまたはポリビ
ニル・ホルマール樹脂(PVF)等の絶縁層をコーティ
ングしたもの等で形成されている。FIG. 4 shows the appearance of the unit magnet. The unit magnet 11 is formed on the outer peripheral surface (outer surface) of the hollow cylindrical substrate 12 in a spiral shape so as to advance in the axial direction of the substrate 12. The superconducting conductor layer 13 is formed. The hollow cylindrical substrate 12 is made of, for example, an insulator having a relatively high strength such as reinforced plastic or ceramics, or a hollow cylindrical outer surface of stainless steel coated with an insulating layer such as ceramics or polyvinyl formal resin (PVF). It is formed of things.
【0020】超電導導体13は、このように形成された
中空筒状基体12の上面にNbN、NbC,Nb3 Ge
等の超電導導体を例えば蒸着法などの薄膜形成法により
隣り合う螺旋同士の超電導導体を絶縁状態に形成したも
のである。この超電導導体層13は、螺旋状に蒸着され
ているので、ちょうど導体をコイル状に巻回したのと同
様の機能を有するとともに、基体12と超電導導体層1
3とが強固に一体的に密着しているので、導体を巻回し
て製作される従来の巻線型の磁石と比較して導体の拘束
力を大幅に向上させることができる。したがって、高い
磁界を発生させた場合でも、超電導導体層13と基体1
2との相対移動(振動)等を生起することなくこれによ
るクエンチを引起こすようなことがない。その結果、超
電導導体を安定に維持させることができ、信頼性の高い
超電導磁石装置を提供できる。The superconducting conductor 13 is made of NbN, NbC, Nb3 Ge on the upper surface of the hollow cylindrical substrate 12 thus formed.
The superconducting conductors such as the above are formed by insulating the superconducting conductors of adjacent spirals by a thin film forming method such as vapor deposition. Since this superconducting conductor layer 13 is spirally vapor-deposited, it has the same function as if the conductor was wound in a coil shape, and the base 12 and the superconducting conductor layer 1 are provided.
Since 3 and 3 are in close contact with each other firmly, the restraining force of the conductor can be greatly improved as compared with the conventional wire wound magnet manufactured by winding the conductor. Therefore, even when a high magnetic field is generated, the superconducting conductor layer 13 and the base 1
No relative movement (vibration) or the like with respect to 2 is caused and a quench due to this is not caused. As a result, the superconducting conductor can be stably maintained, and a highly reliable superconducting magnet device can be provided.
【0021】図5および図6は、本発明の超電導磁石装
置に用いられる単位磁石の他の構成例を示している。FIGS. 5 and 6 show another example of the configuration of the unit magnet used in the superconducting magnet device of the present invention.
【0022】この構成例における単位磁石15は、中空
筒状基体16を絶縁筒17の外周面(外表面)に安定化
銅層18を形成して構成したものとなっている。安定化
銅層18は、絶縁筒17の外周面に例えば、蒸着法など
の薄膜形成法により形成した銅層に絶縁を図るための螺
旋状のスリット19を設けて形成されたものである。超
電導導体層13は、安定化銅層18の表面に安定化銅層
18に添設するように一体的に密着して形成されてい
る。The unit magnet 15 in this constitutional example is constituted by forming a hollow cylindrical substrate 16 on the outer peripheral surface (outer surface) of an insulating cylinder 17 to form a stabilizing copper layer 18. The stabilizing copper layer 18 is formed by providing a spiral slit 19 for insulation on a copper layer formed by a thin film forming method such as a vapor deposition method on the outer peripheral surface of the insulating cylinder 17. The superconducting conductor layer 13 is integrally and closely attached to the surface of the stabilized copper layer 18 so as to be attached to the stabilized copper layer 18.
【0023】単位磁石15をこのように安定化銅層18
を設けて構成すれば、万一、超電導導体層13がクエン
チ(常電導転移)した場合の超電導磁石装置の健全性を
高めることができる。The unit magnet 15 is thus stabilized with the copper layer 18
With this structure, it is possible to improve the soundness of the superconducting magnet device in the event that the superconducting conductor layer 13 is quenched (normal conduction transition).
【0024】なお、以上の各実施例においては、超電導
導体層13を中空筒状基体の外周面(外表面)に形成す
るようにしているが、例えば超電導導体層13が外側方
向の力を受ける場合には超電導導体層13を中空筒状基
体の内周面(内表面)に形成するようにしても良く、ま
た単位磁石の構成も上記実施例に限定されるものではな
い。。In each of the above embodiments, the superconducting conductor layer 13 is formed on the outer peripheral surface (outer surface) of the hollow cylindrical substrate. However, for example, the superconducting conductor layer 13 receives an outward force. In that case, the superconducting conductor layer 13 may be formed on the inner peripheral surface (inner surface) of the hollow cylindrical substrate, and the structure of the unit magnet is not limited to the above embodiment. .
【0025】その他、本発明の要旨を逸脱しない範囲で
上記実施例を種々変形して実施することができる。In addition, the above-described embodiment can be variously modified and implemented without departing from the scope of the present invention.
【0026】[0026]
【発明の効果】以上詳述してきたように、本発明の超電
導磁石装置は、単位超電導磁石を直列あるいは並列のい
ずれに接続する場合にも、極めてコンパクトに構成でき
る。As described in detail above, the superconducting magnet device of the present invention can be constructed extremely compactly when unit superconducting magnets are connected either in series or in parallel.
【図1】 本発明の超電導磁石装置の一実施例を示す斜
視図。FIG. 1 is a perspective view showing an embodiment of a superconducting magnet device of the present invention.
【図2】 本発明の超電導磁石装置に用いられる端板の
平面図。FIG. 2 is a plan view of an end plate used in the superconducting magnet device of the present invention.
【図3】 本発明の超電導磁石装置の他の実施例を示す
斜視図。FIG. 3 is a perspective view showing another embodiment of the superconducting magnet device of the present invention.
【図4】 本発明の超電導磁石装置に用いられる単位磁
石の一構成例を示す斜視図。FIG. 4 is a perspective view showing a configuration example of a unit magnet used in the superconducting magnet device of the present invention.
【図5】 本発明の超電導磁石装置に用いられる単位磁
石の一構成例の説明を行うための斜視図。FIG. 5 is a perspective view for explaining a configuration example of a unit magnet used in the superconducting magnet device of the present invention.
【図6】 本発明の超電導磁石装置に用いられる単位磁
石の一構成例を示す斜視図。FIG. 6 is a perspective view showing a configuration example of a unit magnet used in the superconducting magnet device of the present invention.
11 単位磁石 12 中空筒状基体 13 超電導導体(超電導導体層) 15 単位磁石 16 中空筒状基体 17 絶縁筒 18 安定化銅層 19 スリット 21 単位磁石 22 単位磁石 23 単位磁石 25 端板 26 溝 27 溝 28 溝 29 短絡部 30 短絡部 31 短絡部 35 リード線 11 unit magnet 12 hollow cylindrical substrate 13 superconducting conductor (superconducting conductor layer) 15 unit magnet 16 hollow cylindrical substrate 17 insulating cylinder 18 stabilizing copper layer 19 slit 21 unit magnet 22 unit magnet 23 unit magnet 25 end plate 26 groove 27 groove 28 groove 29 short circuit part 30 short circuit part 31 short circuit part 35 lead wire
Claims (3)
り、それぞれ径が異なり同軸的に多重配置される第1お
よび第2の中空筒状基体と、この第1の中空筒状基体の
周面に密着して螺旋状に設けられる第1の超電導導体
と、前記第2の中空筒状基体の周面に密着して前記第1
の超電導導体の螺旋の進行方向と逆方向に進行する螺旋
状に設けられる第2の超電導導体と、前記第1および第
2の超電導導体とを直列的に短絡する短絡導体とから構
成されることを特徴とする超電導磁石装置。1. A first and a second hollow cylindrical base body, at least the surface of which is made of an electrically insulating material, having different diameters and coaxially arranged in multiple layers, and a peripheral surface of the first hollow cylindrical base body. The first superconducting conductor that is closely attached in a spiral shape and the first superconducting conductor that is closely attached to the peripheral surface of the second hollow cylindrical substrate
Of a superconducting conductor, the second superconducting conductor is provided in a spiral shape that travels in a direction opposite to the spiral traveling direction, and a short-circuit conductor that short-circuits the first and second superconducting conductors in series. A superconducting magnet device.
り、それぞれ径が異なり同軸的に多重配置される複数の
中空筒状基体と、この中空筒状基体のそれぞれの周面に
密着して螺旋状に設けられる複数の超電導導体と、これ
ら超電導導体を直列的あるいは並列的に短絡する超電導
短絡導体とから構成されることを特徴とする超電導磁石
装置。2. A plurality of hollow cylindrical bases, at least the surface of which is made of an electrically insulating material, each having a different diameter and coaxially arranged in multiple layers, and a spiral shape in close contact with each peripheral surface of the hollow cylindrical bases. 2. A superconducting magnet device, comprising: a plurality of superconducting conductors provided in the superconducting conductor; and a superconducting short-circuit conductor that short-circuits these superconducting conductors in series or in parallel.
るいはセラミックスから成ることを特徴とする請求項1
あるいは請求項2に記載の超電導磁石装置。3. The hollow cylindrical substrate is made of reinforced plastic or ceramics.
Alternatively, the superconducting magnet device according to claim 2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6032027A JP2553318B2 (en) | 1994-02-04 | 1994-02-04 | Superconducting magnet device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6032027A JP2553318B2 (en) | 1994-02-04 | 1994-02-04 | Superconducting magnet device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0750209A true JPH0750209A (en) | 1995-02-21 |
JP2553318B2 JP2553318B2 (en) | 1996-11-13 |
Family
ID=12347388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6032027A Expired - Lifetime JP2553318B2 (en) | 1994-02-04 | 1994-02-04 | Superconducting magnet device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2553318B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001267119A (en) * | 2000-03-17 | 2001-09-28 | Tokyo Electric Power Co Inc:The | Superconducting coil device |
JP2007081254A (en) * | 2005-09-16 | 2007-03-29 | Univ Of Tokyo | Superconductive electromagnet and method for manufacturing the same |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5958803A (en) * | 1982-09-28 | 1984-04-04 | Fujikura Ltd | Superconductive coil |
-
1994
- 1994-02-04 JP JP6032027A patent/JP2553318B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5958803A (en) * | 1982-09-28 | 1984-04-04 | Fujikura Ltd | Superconductive coil |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001267119A (en) * | 2000-03-17 | 2001-09-28 | Tokyo Electric Power Co Inc:The | Superconducting coil device |
JP4515588B2 (en) * | 2000-03-17 | 2010-08-04 | 東京電力株式会社 | Superconducting coil device |
JP2007081254A (en) * | 2005-09-16 | 2007-03-29 | Univ Of Tokyo | Superconductive electromagnet and method for manufacturing the same |
Also Published As
Publication number | Publication date |
---|---|
JP2553318B2 (en) | 1996-11-13 |
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