JPH079844B2 - Superconducting coil insulation support device - Google Patents
Superconducting coil insulation support deviceInfo
- Publication number
- JPH079844B2 JPH079844B2 JP63070185A JP7018588A JPH079844B2 JP H079844 B2 JPH079844 B2 JP H079844B2 JP 63070185 A JP63070185 A JP 63070185A JP 7018588 A JP7018588 A JP 7018588A JP H079844 B2 JPH079844 B2 JP H079844B2
- Authority
- JP
- Japan
- Prior art keywords
- superconducting coil
- superconducting
- support
- support device
- 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
Links
- 238000009413 insulation Methods 0.000 title 1
- 239000002887 superconductor Substances 0.000 description 5
- 230000035515 penetration Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000013590 bulk material Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は超電導コイル断熱支持装置に関する。The present invention relates to a superconducting coil adiabatic support device.
超電導コイルは通常４゜K程度の極低温に冷却して使用さ
れ、このとき超電導コイルには自重と共に電磁力が作用
する。従つて超電導コイルの支持装置は、熱伝導侵入熱
をできるだけ低減し、かつ上記外力を支持するという相
反する要因に対して適正な設計が要求される。第４図正
面図は従来の設計の一例を示すものであり、この場合超
電導コイル（ヘリウム容器含む、以下略す）１には、外
力に耐えるだけの断面積を有する支持脚４が配設され、
外周に設けられた真空容器５に取り付けられているが、
所定の熱侵入量に抑えるために、支持脚４の伝導長さｌ
はかなり長大なものとなつており、そのため真空容器５
も大きくならざるを得ない。The superconducting coil is usually cooled to an extremely low temperature of about 4 ° K before use, and at this time, the superconducting coil is subjected to electromagnetic force along with its own weight. Therefore, the superconducting coil support device is required to be properly designed with respect to the contradictory factors of reducing the heat generated by heat conduction and supporting the external force. FIG. 4 is a front view showing an example of a conventional design. In this case, a superconducting coil (including a helium container, abbreviated below) 1 is provided with a support leg 4 having a cross-sectional area capable of withstanding an external force.
Although it is attached to the vacuum container 5 provided on the outer periphery,
The conduction length l of the support leg 4 is set in order to suppress the heat intrusion amount to a predetermined value.
Is quite long, so the vacuum vessel 5
Also has to grow.
本発明は、このような事情に鑑みて提案されたもので、
所定の耐荷重，耐熱侵入を満足し、かつ従来に比べコン
パクトにまとめることができ、ひいては真空容器も小型
化することができる超電導コイル断熱支持装置を提供す
ることを目的とする。The present invention has been proposed in view of such circumstances,
It is an object of the present invention to provide a superconducting coil adiabatic support device that satisfies predetermined load resistance and heat resistance penetration, can be compactly assembled as compared with the conventional one, and can also downsize a vacuum container.
そのために本発明は、超電導コイルの外周を囲繞してそ
の一部又は全部に超電導支持体を対向配置し、かつ上記
超電導支持体を支持脚で支持してなることを特徴とす
る。To this end, the present invention is characterized in that the superconducting coil is surrounded by an outer periphery thereof, a superconducting support is disposed so as to face part or all of the superconducting coil, and the superconducting support is supported by supporting legs.
本考案装置においては、コイル励磁時に発生する磁場
が、超電導コイルと超電導状態にある超電導支持体との
間隙部でその反磁性により圧縮され、そこで発生する反
発力が超電導コイルに作用する外力とバランスする。よ
つて超電導コイルは超電導支持体に対し浮上状態で無接
触となるので、伝導侵入熱は零となり、支持脚は支持強
度が確保できる断面積さえ具えてあればよく、長さは短
いものとすることができる。In the device of the present invention, the magnetic field generated during coil excitation is compressed by the diamagnetism in the gap between the superconducting coil and the superconducting support in the superconducting state, and the repulsive force generated there is balanced with the external force acting on the superconducting coil. To do. Therefore, since the superconducting coil is in contact with the superconducting support in a floating state, the heat of conduction and penetration is zero, and the supporting legs need only have a cross-sectional area that can secure the supporting strength, and the length should be short. be able to.
本発明超電導コイル断熱支持装置の一実施例を図面につ
いて説明すると、第１図は正面図、第２図は第１図のII
−IIに沿つた横断面図、第３図は同上装置の作用の説明
図である。An embodiment of the heat insulating and supporting device for a superconducting coil of the present invention will be described with reference to the drawings. FIG. 1 is a front view and FIG. 2 is a II of FIG.
-II is a transverse cross-sectional view along line II, and Fig. 3 is an explanatory view of the operation of the above-mentioned device.
第１図，第２図において、超電導コイル１の外周部及び
両側面部の一部に対向して、バルク材，膜等の超電導体
２を内周面に嵌設した２つ割り環状の支持構造体３が配
置され、かつこの支持構造体３は支持脚４により真空容
器５に取り付けられる。この場合、支持構造体３の内径
をD3、その突縁3aの内径をD1、超電導コイル１の外径を
D2とすると、 とし、超電導コイル１が支持構造体３から脱落しないよ
うにする。In FIG. 1 and FIG. 2, a supporting structure of a split annular shape in which a superconductor 2 such as a bulk material or a film is fitted on an inner peripheral surface of the superconducting coil 1 so as to face the outer peripheral portion and a part of both side surfaces. A body 3 is arranged and this support structure 3 is attached to a vacuum vessel 5 by means of support legs 4. In this case, the inner diameter of the support structure 3 is D 3 , the inner diameter of the projecting edge 3a is D 1 , and the outer diameter of the superconducting coil 1 is
D 2 In order to prevent the superconducting coil 1 from falling off the support structure 3.
しかして、超電導体２の材料としては、液体窒素温度程
度以上の臨界温度TCを有し、かつ臨界磁場HCの高い高温
超電導材が適している。ここで、超電導体２は臨界温度
以下に冷却して超電導状態にされるために、超電導コイ
ル１の冷却による輻射冷却と所定の冷却配管（Ｌ−N
2等）による冷却により冷却される。Therefore, as a material of the superconductor 2, a high temperature superconducting material having a critical temperature T C equal to or higher than the liquid nitrogen temperature and a high critical magnetic field H C is suitable. Here, since the superconductor 2 is cooled to a critical temperature or lower to be in a superconducting state, radiation cooling by cooling the superconducting coil 1 and a predetermined cooling pipe (L-N
It is cooled by 2 ).
このような装置において、コイル励磁時の作用の原理を
第３図について説明すると、超電導コイル１に電流Ｉを
通電したとき、コイル周辺には磁力線６が図示のように
生じ、超電導状態にある超電導体２の反磁性により、両
者の間隙部では平均的にはＢなる磁束密度となる。In such a device, the principle of action during coil excitation will be described with reference to FIG. 3. When a current I is applied to the superconducting coil 1, magnetic lines of force 6 are generated around the coil as shown in the drawing, and the superconducting state in the superconducting state is shown. Due to the diamagnetism of the body 2, a magnetic flux density of B is averaged in the gap between the two.
このとき、両者には、下部側の面積をＡ、真空の透磁率
μ０とすると、 なる反発力が発生し、この反発力が超電導コイル１に働
く外力WMgに対しＦ＞WMgのとき、超電導コイル１は浮上
状態で維持される。At this time, regarding both areas, if the area on the lower side is A and the magnetic permeability in vacuum is μ 0 , When a repulsive force is generated and the repulsive force is F> W Mg with respect to the external force W Mg acting on the superconducting coil 1, the superconducting coil 1 is maintained in a floating state.
よつて、超電導コイル１への伝導侵入熱は零となり、従
つて支持脚４は十分な強度を確保できる断面積を有すれ
ばよく、短かい長さのものとなしうる。Therefore, the heat of conduction and penetration into the superconducting coil 1 becomes zero, so that the support leg 4 may have a cross-sectional area capable of ensuring sufficient strength, and can have a short length.
かくして、本発明装置によれば次の効果が奏せられる。Thus, the device of the present invention has the following advantages.
（１）超電導コイル１励磁時の自己磁場によつて、超電
導体２の反磁性に基づく反発力を利用でき、その反発力
によつて超電導コイル１は浮上状態で支持でき、伝導侵
入熱は零となる。(1) Due to the self-magnetic field when the superconducting coil 1 is excited, the repulsive force based on the diamagnetism of the superconductor 2 can be utilized, and the repulsive force allows the superconducting coil 1 to be supported in a levitated state, with zero conduction intrusion heat. Becomes
（２）従つて、支持脚４をコンパクトにまとめることが
できる。(2) Therefore, the support leg 4 can be compactly integrated.
（３）その結果、真空容器５を小型化できる。(3) As a result, the vacuum container 5 can be downsized.
要するに本発明によれば、超電導コイルの外周を囲繞し
てその一部又は全部に超電導支持体を対向配置し、かつ
上記超電導支持体を支持脚で支持してなることにより、
所定の耐荷重，耐熱侵入を満足し、かつ従来に比べコン
パクトにまとめることができ、ひいては真空容器も小型
化することができる超電導コイル断熱支持装置を得るか
ら、本発明は産業上極めて有益なものである。In short, according to the present invention, by surrounding the outer periphery of the superconducting coil and disposing the superconducting support member in a part or the whole thereof, and by supporting the superconducting support member by the support legs,
Since a superconducting coil adiabatic support device that satisfies predetermined load resistance and heat resistance penetration, can be compactly assembled as compared with the conventional one, and can also downsize the vacuum container, the present invention is extremely useful in industry. Is.
第１図は本発明超電導コイル断熱支持装置の一実施例を
示す正面図、第２図は第１図のII−IIに沿つた横断面
図、第３図は同上装置の作用の説明図である。 第４図は従来の断熱支持装置の正面図である。 １…超電導コイル、２…超電導体、３…支持構造体、４
…支持脚、５…真空容器、６…磁力線。1 is a front view showing an embodiment of a superconducting coil adiabatic support device of the present invention, FIG. 2 is a transverse sectional view taken along line II-II of FIG. 1, and FIG. 3 is an explanatory view of the operation of the device. is there. FIG. 4 is a front view of a conventional heat insulating support device. DESCRIPTION OF SYMBOLS 1 ... Superconducting coil, 2 ... Superconductor, 3 ... Support structure, 4
... Support legs, 5 ... Vacuum container, 6 ... Magnetic field lines.
Claims (1)
は全部に超電導支持体を対向配置し、かつ上記超電導支
持体を支持脚で支持してなることを特徴とする超電導コ
イル断熱支持装置。1. A superconducting coil adiabatic support device, characterized in that the superconducting coil is surrounded by an outer periphery thereof, a superconducting support member is partially or entirely opposed to the superconducting coil, and the superconducting support member is supported by supporting legs. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63070185A JPH079844B2 (en) | 1988-03-24 | 1988-03-24 | Superconducting coil insulation support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63070185A JPH079844B2 (en) | 1988-03-24 | 1988-03-24 | Superconducting coil insulation support device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01241807A JPH01241807A (en) | 1989-09-26 |
| JPH079844B2 true JPH079844B2 (en) | 1995-02-01 |
Family
ID=13424215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63070185A Expired - Lifetime JPH079844B2 (en) | 1988-03-24 | 1988-03-24 | Superconducting coil insulation support device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH079844B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6004974B2 (en) * | 2013-03-14 | 2016-10-12 | 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 device |
| CN114496452B (en) * | 2020-11-13 | 2024-05-03 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Dynamic superconducting magnet and magnetic levitation train |
-
1988
- 1988-03-24 JP JP63070185A patent/JPH079844B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01241807A (en) | 1989-09-26 |
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