JPS6236369B2 - - Google Patents
Info
- Publication number
- JPS6236369B2 JPS6236369B2 JP55149472A JP14947280A JPS6236369B2 JP S6236369 B2 JPS6236369 B2 JP S6236369B2 JP 55149472 A JP55149472 A JP 55149472A JP 14947280 A JP14947280 A JP 14947280A JP S6236369 B2 JPS6236369 B2 JP S6236369B2
- Authority
- JP
- Japan
- Prior art keywords
- helical coil
- support
- coil
- support structure
- support ring
- 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
- 230000004927 fusion Effects 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/06—Coils, e.g. winding, insulating, terminating or casing arrangements therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/10—Nuclear fusion reactors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Description
【発明の詳細な説明】
この発明は核融合装置において使用する超電導
ヘリカルコイルを支持するために使用する支持構
造に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a support structure used to support a superconducting helical coil used in a nuclear fusion device.
核融合装置においては、磁場形成のために超電
導ヘリカルコイルを使用する。この超電導ヘリカ
ルコイルは真空容器にほぼ対応するトーラス面に
沿つてら旋状に巻回されて配設されている。 In fusion devices, superconducting helical coils are used to generate the magnetic field. This superconducting helical coil is helically wound along a torus surface that substantially corresponds to the vacuum vessel.
ヘリカルコイルの支持としては、従来から、第
１図に示すようにヘリカルコイル１を真空容器２
外に配置し、かつこのヘリカルコイル１を真空容
器２に支持するものと、第２図に示す如くヘリカ
ルコイル１を真空容器２内に配置し、かつこのヘ
リカルコイル１を真空容器２に支持するものとが
ある。しかるに、このようなコイル支持方法は常
に電導コイルを使用している場合には大きな問題
は発生しないが、コイルが超電導化された場合に
は次のような不具合が生じる。すなわち、真空容
器は常温またはそれ以上の温度で運転され、他方
コイルは極低温で運転される。したがつて、支持
構造は真空容器とコイル間の相対変位を吸収でき
るような構造でなければならない。しかるに真空
容器とコイルの間の空間は狭く、このような機能
を持つた支持構造を設ける事は困難である。ま
た、上述した真空容器およびコイルの温度差によ
り支持部を介して真空容器からコイルへの熱侵入
がある。この熱侵入量は極力小さい事が望まし
く、このためには熱流入経路の長さすなわち支持
脚３，３′の長さが長い方が望ましい。しかるに
前述したように真空容器とコイルの間の空間は狭
く、熱侵入を防止するのに充分な長さの支持構造
を設ける事は困難である。 Conventionally, to support a helical coil, a helical coil 1 is placed in a vacuum vessel 2 as shown in FIG.
The helical coil 1 is placed outside and supported by the vacuum vessel 2, and the helical coil 1 is placed inside the vacuum vessel 2 and the helical coil 1 is supported by the vacuum vessel 2 as shown in FIG. There is something. However, although such a coil support method does not cause any major problems when a conductive coil is always used, the following problems occur when the coil is made superconducting. That is, the vacuum vessel is operated at room temperature or above, while the coil is operated at cryogenic temperatures. Therefore, the support structure must be of a structure that can absorb the relative displacement between the vacuum vessel and the coil. However, the space between the vacuum vessel and the coil is narrow, and it is difficult to provide a support structure with such a function. Further, due to the temperature difference between the vacuum container and the coil described above, heat may enter the coil from the vacuum container via the support portion. It is desirable that the amount of heat intrusion be as small as possible, and for this purpose, it is desirable that the length of the heat inflow path, that is, the length of the support legs 3, 3' be long. However, as described above, the space between the vacuum vessel and the coil is narrow, and it is difficult to provide a support structure of sufficient length to prevent heat from entering.
この発明は上記の如き事情に鑑みてなされたも
のであつて、真空容器およびヘリカルコイル間の
相対変位および熱侵入に対するコイル支持の問題
点を解消した核融合装置用超電導ヘリカルコイル
の支持構造を提供することを目的とするものであ
る。 The present invention has been made in view of the above circumstances, and provides a support structure for a superconducting helical coil for a nuclear fusion device that eliminates the problems of supporting the coil against relative displacement and heat penetration between the vacuum vessel and the helical coil. The purpose is to
この目的に対応して、この発明の核融合装置用
超電導ヘリカルコイルの支持構造は、トーラス面
にほぼ沿つてら旋状に巻回しているヘリカルコイ
ルの支持構造であつて、トーラス面の外側にトー
ラス方向に間隔をおいて複数の支持リングを配置
し、かつ、支持リングを固定ロツドにより相互に
連結固定してなることを特徴としている。 Corresponding to this purpose, the support structure for a superconducting helical coil for a nuclear fusion device of the present invention is a support structure for a helical coil wound spirally almost along a torus surface, and is provided on the outside of the torus surface. It is characterized in that a plurality of support rings are arranged at intervals in the torus direction, and the support rings are connected and fixed to each other by fixing rods.
以下この発明の詳細を一実施例を示す図面につ
いて説明する。 The details of this invention will be explained below with reference to the drawings showing one embodiment.
第３図には、この発明の核融合装置用超電導ヘ
リカルコイルの支持構造が概念図として示されて
いる。すなわち、第３図に示す如く、支持構造１
１は、支持リング１２及び固定ロツド１３を揃え
ている。ヘリカルコイル１は仮想のトーラス面
２′に沿つてら旋状に巻回し、このヘリカルコイ
ル１は支持リング１２に支持される。支持リング
１２はトーラス方向に間隔を置いて複数個配置さ
れ、仮想のトーラス面２′の外側に位置する。そ
れぞれの支持リング１２は分割部１４により二分
割可能な構造となつている。ヘリカルコイル１と
支持リング１２の間の結合は機械的に充分な強度
をもつものであればよく、断熱性および熱膨張に
対する配慮は不要であり、例えばボルト結合でそ
の目的を達成できる。 FIG. 3 shows a conceptual diagram of a support structure for a superconducting helical coil for a nuclear fusion device according to the present invention. That is, as shown in FIG.
1 aligns the support ring 12 and fixing rod 13. The helical coil 1 is spirally wound along an imaginary torus surface 2', and is supported by a support ring 12. A plurality of support rings 12 are arranged at intervals in the torus direction and are located outside the imaginary torus surface 2'. Each support ring 12 has a structure that can be divided into two by a dividing portion 14. The connection between the helical coil 1 and the support ring 12 only needs to have sufficient mechanical strength, and there is no need to consider heat insulation and thermal expansion, and the purpose can be achieved by, for example, bolt connection.
以上のようなヘリカルコイル支持構造を実際の
核融合装置に適用する場合は第４図に示すように
なる。すなわち、支持リング１２には自重支持用
のアーム１５が設けられている。支持アーム１５
には、ピンジヨイント１６，１６′と支持ロツド
１７を介して常温の支持台１８に支持する。支持
リング１２および固定ロツド１３は非磁性かつ熱
膨張率がヘリカルコイル１と同一の材料を使用す
るものとする。プラズマを取り囲む真空容器２は
ヘリカルコイル１の内側に配置され、容器支持脚
１９によりヘリカルコイル１とは独立に支持され
る。ヘリカルコイル１と真空容器２の間には断熱
層２１が挿入される。これらのヘリカルコイル１
および支持リング１２等は、真空断熱のための大
型真空槽２２内に一式として設置されている。大
型真空槽２２の内側には断熱材を設置する。 When the helical coil support structure as described above is applied to an actual nuclear fusion device, it will be as shown in FIG. 4. That is, the support ring 12 is provided with an arm 15 for supporting its own weight. Support arm 15
In this case, it is supported on a support stand 18 at room temperature via pin joints 16, 16' and support rods 17. The support ring 12 and the fixed rod 13 are made of a material that is non-magnetic and has the same coefficient of thermal expansion as the helical coil 1. A vacuum vessel 2 surrounding the plasma is arranged inside the helical coil 1 and is supported independently of the helical coil 1 by vessel support legs 19. A heat insulating layer 21 is inserted between the helical coil 1 and the vacuum vessel 2. These helical coils 1
The support ring 12 and the like are installed as a set in a large vacuum chamber 22 for vacuum insulation. A heat insulating material is installed inside the large vacuum chamber 22.
ヘリカルコイル１と支持リング１２の組立手順
としては、まずヘリカルコイル１を組立て、次に
分割部１４で二分割された支持リング１２をヘリ
カルコイル１にかぶせ、支持リング１２とヘリカ
ルコイル１を一体に組立て、さらに支持リング１
２間に固定ロツド１３を取付ける。 The procedure for assembling the helical coil 1 and the support ring 12 is to first assemble the helical coil 1, then cover the helical coil 1 with the support ring 12 that has been divided into two parts at the dividing part 14, and integrate the support ring 12 and the helical coil 1. Assembly and further support ring 1
Attach the fixing rod 13 between the two.
このようなヘリカルコイル支持構造においては
第５図に概念図で示す如く支持リング１２と固定
ロツド１３は全体として一体構造となる。したが
つて、ヘリカルコイル１に作用する電磁力はこの
鳥篭状の構造物で支持できる。支持リング１２お
よび固定ロツド１３はヘリカルコイル１からの熱
伝達または支持リング１２に液体ヘリウム冷却パ
イプを取付ける事により極低温になる。このた
め、支持リング１２とヘリカルコイル１はほぼ同
一の温度であり、ヘリカルコイル１と支持リング
１２間には熱膨張差は殆んど無く、したがつて熱
応力も実用上問題なく、また、断熱支持の必要も
なくなる。また、一体化されたヘリカルコイル−
支持リング系の自重は、支持ロツド１７を介して
常温の支持台１８で支持され、かつ、支持ロツド
１７と支持アーム１５、支持台１８の間はピンジ
ヨイントで接合される結果、熱収縮に対する変位
で吸収できる。また、支持ロツド１７の長さを充
分にとり、また熱伝導率の低い材料を使用する事
によりヘリカルコイル部分への熱流入量を小さく
する事ができる。ヘリカルコイル１の内側に置か
れる真空容器２は以上に述べたヘリカルコイル系
とは独立に支持し、また真空容器とヘリカルコイ
ル１の間には断熱層２１が挿入されているので、
常温またはそれ以上の温度で運転される真空容器
からヘリカルコイルに対する熱侵入は充分に小さ
くできる。 In such a helical coil support structure, the support ring 12 and the fixing rod 13 are integrally constructed as a whole, as shown in a conceptual diagram in FIG. Therefore, the electromagnetic force acting on the helical coil 1 can be supported by this birdcage-like structure. The support ring 12 and fixed rod 13 are brought to a cryogenic temperature by heat transfer from the helical coil 1 or by attaching a liquid helium cooling pipe to the support ring 12. Therefore, the support ring 12 and the helical coil 1 are at almost the same temperature, and there is almost no difference in thermal expansion between the helical coil 1 and the support ring 12, so there is no practical problem with thermal stress. There is no need for thermal insulation support. In addition, the integrated helical coil
The weight of the support ring system is supported by the support stand 18 at room temperature via the support rod 17, and the support rod 17, the support arm 15, and the support stand 18 are joined by pin joints, so that the weight of the support ring system is reduced by displacement due to heat shrinkage. It can be absorbed. Furthermore, by making the support rod 17 sufficiently long and using a material with low thermal conductivity, the amount of heat flowing into the helical coil portion can be reduced. The vacuum container 2 placed inside the helical coil 1 is supported independently of the helical coil system described above, and a heat insulating layer 21 is inserted between the vacuum container and the helical coil 1.
Heat intrusion into the helical coil from a vacuum vessel operated at room temperature or higher can be sufficiently reduced.
なお、ヘリカルコイル１の周辺にポロイダルコ
イルが存在する場合には、第６図に示す如く、上
記の構造を持つ支持リング１２にポロイダルコイ
ル支持脚２３を取付けた構造の支持リング１２′
を用い、そのポロイダルコイル支持脚２３にポロ
イダルコイル２４を固定する。この場合、ヘリカ
ルコイル−支持リング系とポロイダルコイル２４
は常に同一温度であり、既に述べたと同様に熱応
力の問題が発生せず、構造的に複雑な断熱固定と
する必要がない。 In addition, when a poloidal coil exists around the helical coil 1, as shown in FIG.
The poloidal coil 24 is fixed to the poloidal coil support leg 23 using the poloidal coil support leg 23. In this case, the helical coil-support ring system and the poloidal coil 24
are always at the same temperature, and as mentioned above, there is no problem of thermal stress, and there is no need for structurally complex heat-insulating fixing.
以上の説明から明らかな通り、この発明によれ
ば、ヘリカルコイルに支持枠を設ける事によりヘ
リカルコイル自身が電磁力に耐える自立的構造物
として自重を真空容器から独立に支持することに
より真空容器およびヘリカルコイル間の相対変位
を許容し、かつ、熱侵入の問題を解消することが
でき、しかも、ヘリカルコイル以外にその近傍に
あるポロイダルコイルも同時に支持することが可
能な核融合装置用超電導ヘリカルコイルの支持構
造を得ることができる。 As is clear from the above description, according to the present invention, by providing a support frame to the helical coil, the helical coil itself becomes a self-supporting structure that can withstand electromagnetic force and supports its own weight independently from the vacuum vessel. A superconducting helical coil for a nuclear fusion device that allows relative displacement between helical coils, solves the problem of heat intrusion, and can simultaneously support poloidal coils in the vicinity of the helical coil. A support structure can be obtained.
第１図は従来のヘリカルコイル支持構造の一例
を示す説明図、第２図は従来のヘリカルコイル支
持構造の他の例を示す説明図、第３図はこの発明
の一実施例に係るヘリカルコイル支持構造でヘリ
カルコイルを支持した状態の概念を示す説明図、
第４図はヘリカルコイル支持構造を核融合装置に
組込んだ状態を示す横断面説明図、第５図はこの
発明の一実施例に係るヘリカルコイル支持構造の
概念を示す説明図、及び第６図はこの発明の他の
実施例に係るヘリカルコイル支持構造の部分斜視
説明図である。
１……ヘリカルコイル、２……真空容器、１１
……支持構造、１２……支持リング、１３……固
定ロツド、２３……ポロイダルコイル支持脚、２
４……ポロイダルコイル。
FIG. 1 is an explanatory diagram showing an example of a conventional helical coil support structure, FIG. 2 is an explanatory diagram showing another example of a conventional helical coil support structure, and FIG. 3 is a helical coil according to an embodiment of the present invention. An explanatory diagram showing the concept of a state in which a helical coil is supported by a support structure,
FIG. 4 is an explanatory cross-sectional view showing a helical coil support structure incorporated into a nuclear fusion device, FIG. 5 is an explanatory view showing the concept of a helical coil support structure according to an embodiment of the present invention, and FIG. The figure is a partial perspective explanatory view of a helical coil support structure according to another embodiment of the invention. 1...Helical coil, 2...Vacuum container, 11
... Support structure, 12 ... Support ring, 13 ... Fixed rod, 23 ... Poloidal coil support leg, 2
4... Poloidal coil.
Claims (1)
るヘリカルコイルの支持構造であつて、前記トー
ラス面の外側にトーラス方向に間隔をおいて複数
の支持リングを配置し、かつ、前記支持リングを
固定ロツドにより相互に連結固定してなることを
特徴とする核融合装置用超電導ヘリカルコイルの
支持構造。 ２ 前記支持リングは、ポロイダルコイルを支持
するための支持脚を半径方向外方に延出させて備
えることを特徴とする特許請求の範囲第１項記載
の核融合装置用超電導ヘリカルコイルの支持構
造。[Scope of Claims] 1. A support structure for a helical coil wound spirally almost along a torus surface, wherein a plurality of support rings are arranged at intervals in the torus direction on the outside of the torus surface. A support structure for a superconducting helical coil for a nuclear fusion device, characterized in that the support rings are connected and fixed to each other by fixing rods. 2. The support structure for a superconducting helical coil for a nuclear fusion device according to claim 1, wherein the support ring includes support legs extending radially outward for supporting the poloidal coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55149472A JPS5773906A (en) | 1980-10-27 | 1980-10-27 | Supporting structure for superconducting helical coil for nuclear fusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55149472A JPS5773906A (en) | 1980-10-27 | 1980-10-27 | Supporting structure for superconducting helical coil for nuclear fusion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5773906A JPS5773906A (en) | 1982-05-08 |
| JPS6236369B2 true JPS6236369B2 (en) | 1987-08-06 |
Family
ID=15475880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55149472A Granted JPS5773906A (en) | 1980-10-27 | 1980-10-27 | Supporting structure for superconducting helical coil for nuclear fusion device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5773906A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2653693C2 (en) * | 2013-02-18 | 2018-05-14 | Открытое акционерное общество Всероссийский научно-исследовательский, проектно-конструкторский и технологический институт кабельной промышленности (ВНИИ КП) | Superconducting winding |
-
1980
- 1980-10-27 JP JP55149472A patent/JPS5773906A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2653693C2 (en) * | 2013-02-18 | 2018-05-14 | Открытое акционерное общество Всероссийский научно-исследовательский, проектно-конструкторский и технологический институт кабельной промышленности (ВНИИ КП) | Superconducting winding |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5773906A (en) | 1982-05-08 |
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