JPH0297004A - Superconductive magnet device - Google Patents
Superconductive magnet deviceInfo
- Publication number
- JPH0297004A JPH0297004A JP63249074A JP24907488A JPH0297004A JP H0297004 A JPH0297004 A JP H0297004A JP 63249074 A JP63249074 A JP 63249074A JP 24907488 A JP24907488 A JP 24907488A JP H0297004 A JPH0297004 A JP H0297004A
- Authority
- JP
- Japan
- Prior art keywords
- container
- heat shield
- shield member
- thermal shield
- contact
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 12
- 230000002265 prevention Effects 0.000 claims description 19
- 239000003507 refrigerant Substances 0.000 claims description 8
- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 abstract 1
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 abstract 1
- 239000002826 coolant Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
- 238000005339 levitation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
この発明は、例えば超電導磁気浮上車両に搭載される超
電導磁石装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a superconducting magnet device mounted on, for example, a superconducting magnetic levitation vehicle.
［従来の技術］
第４図は例えば実開昭５９−３３２１４号公報に示され
たものと同種の従来の超電導磁石装置を示す構成図であ
り、図において（１）は外槽である第１の容器、（２）
は第１の容器（１）内に収納された内槽である第２の容
器、（３）は第２の容器（２）内に収納された超電導コ
イル、（４）は第１の容器（１）と第２の容器（２）と
の間に形成された真空部、（５）は第２の容器（２）内
に入れられた冷媒であり、この冷媒（５）は液体ヘリウ
ムである。（６）は熱シールド部材として真空部（４）
内に設けられ輻射熱をシールドするため液体窒素温度に
冷却された熱シールド板、（７）は第２の容器（２）を
支持する支持部である。[Prior Art] Fig. 4 is a block diagram showing a conventional superconducting magnet device of the same type as that shown in, for example, Japanese Utility Model Application Publication No. 59-33214. container, (2)
is a second container which is an inner tank stored in the first container (1), (3) is a superconducting coil stored in the second container (2), and (4) is a first container ( A vacuum part (5) is formed between 1) and the second container (2), and a refrigerant (5) is placed in the second container (2), and this refrigerant (5) is liquid helium. . (6) is the vacuum part (4) as a heat shield member.
A heat shield plate (7) provided inside and cooled to liquid nitrogen temperature to shield radiant heat is a support part that supports the second container (2).
第５図は第４図の超電導磁石装置が取り付けられた超電
導磁気浮上車両を示す構成図であり、図において（８）
は下部両側に超電導磁石装置が取り付けられた車両本体
、（９）は超電導磁石装置の側方の垂直壁に設置された
第１の地上コイル２（１０）は超電導磁石装置の下方の
水平面に設置された第２の地上コイルである。FIG. 5 is a configuration diagram showing a superconducting magnetic levitation vehicle to which the superconducting magnet device of FIG. 4 is attached, and in the figure (8)
(9) is the vehicle body with superconducting magnet devices attached to both sides of the lower part, and (9) is the first ground coil 2 (10) installed on the vertical wall on the side of the superconducting magnet device. This is the second ground coil.
上記のように構成された従来の超電導磁石装置において
は、超電導コイル（３）と第１及び第２の地上コイル（
９） 、（１０）との間の磁気結合を密にし、エネルギ
ーの有効利用を図るため、両者間の距離をできるだけ縮
小する必要がある。そこで、超電導コイル（３）の中心
から第１の容器（１）の外表面までの寸法（Ａ）、（Ｂ
）をできるだけ縮めて、超電導コイル（３）を第１及び
第２の地上コイル（９） 、（１０）のそれぞれに近付
ける努力がなされている。In the conventional superconducting magnet device configured as described above, the superconducting coil (3) and the first and second ground coils (
9) It is necessary to reduce the distance between the two as much as possible in order to achieve a tight magnetic coupling between the two and to utilize energy effectively. Therefore, the dimensions (A) and (B) from the center of the superconducting coil (3) to the outer surface of the first container (1) are
) is being reduced as much as possible to bring the superconducting coil (3) closer to each of the first and second ground coils (9) and (10).
このため、第２の容器（２）の断面形状を、超電導コイ
ル（３）の断面形状に合わせて、矩形にしている。また
、第２の容器（２）の外表面から第１の容器（１）の外
表面までの寸法（Ｃ）、（Ｄ）についても、製作誤差や
熱シールド板（６）の振動などのため第２の容器（２）
と熱シールド板（６）とが接触して、熱シールド板（６
）からの熱が第２の容器（２）に直接侵入するようなこ
とのない範囲内で、可能な限り短縮されている。For this reason, the cross-sectional shape of the second container (2) is made rectangular to match the cross-sectional shape of the superconducting coil (3). In addition, the dimensions (C) and (D) from the outer surface of the second container (2) to the outer surface of the first container (1) are also determined due to manufacturing errors, vibrations of the heat shield plate (6), etc. Second container (2)
and the heat shield plate (6) come into contact with each other, and the heat shield plate (6)
) is shortened as much as possible without directly invading the second container (2).
［発明が解決しようとする課題］
上記のように構成された従来の超電導磁石装置において
は、通常の電磁力による熱シールド板（６）の振動は考
慮されているので、通常は熱シールド板（６）が第２の
容器（２）に接触するようなことはないが、何等かの原
因により超電導コイル（３）の超電導状態が破壊される
と、急激な磁束の変化が生じるため、熱シールド板（６
）が第２の容器（２）の外表面に接触してしまうことが
あり、このため第２の容器（２）に熱シールド板（６）
からの熱が直接侵入してしまい、要求される冷却性能が
得られないという問題点があった。[Problems to be Solved by the Invention] In the conventional superconducting magnet device configured as described above, vibration of the heat shield plate (6) due to normal electromagnetic force is taken into consideration, so the heat shield plate (6) is usually 6) will not come into contact with the second container (2), but if the superconducting state of the superconducting coil (3) is destroyed for some reason, a sudden change in magnetic flux will occur, so the heat shield Board (6
) may come into contact with the outer surface of the second container (2), so a heat shield plate (6)
There was a problem in that the heat from the outside directly penetrated the system, making it impossible to obtain the required cooling performance.
この発明は、上記のような問題点を解決するためになさ
れたもので、超電導コイルの超電導状態が破壊された場
合でも、熱シールド部材と第２の容器とが接触して第２
の容器に熱が直接侵入することがなく、冷却性能を維持
することができる超電導磁石装置を得ることを目的とす
る。This invention was made to solve the above-mentioned problems, and even if the superconducting state of the superconducting coil is destroyed, the heat shield member and the second container will come into contact and the second container will be damaged.
The purpose of the present invention is to obtain a superconducting magnet device that can maintain cooling performance without allowing heat to directly enter the container.
［課題を解決するための手段］
この発明に係る超電導磁石装置は、熱シールド部材より
熱伝導率の低い材質からなる接触防止体を、熱シールド
部材と第２の容器との間に設けたものである。[Means for Solving the Problems] A superconducting magnet device according to the present invention includes a contact preventive body made of a material having a lower thermal conductivity than the heat shield member between the heat shield member and the second container. It is.
［作用］
この発明の接触防止体は、熱シールド部材と第２の容器
とが直接接触するのを防止し、これにより熱シールド部
材から第２の容器へ熱が直接伝導するのを防止する。[Function] The contact prevention body of the present invention prevents direct contact between the heat shield member and the second container, thereby preventing direct conduction of heat from the heat shield member to the second container.
［実施例］ 以下、この発明の実施例を図について説明する。[Example] Embodiments of the present invention will be described below with reference to the drawings.
第１図はこの発明の一実施例による超電導磁石装置を示
す構成図であり、第４図と同−又は相当部分には同一符
号を付し、その説明を省略する。FIG. 1 is a block diagram showing a superconducting magnet device according to an embodiment of the present invention, and the same or equivalent parts as in FIG. 4 are given the same reference numerals, and the explanation thereof will be omitted.
図において、（１１）は熱シールド板（６）の第２の容
器（２）に対向する面に突出するように複数個設けられ
た円柱状の接触防止体であり、この接触防止体（１１）
は熱シールド板（６）より熱伝導率が低く機械強度の大
きい例えばＧＦＲＰ （ガラス繊維強化プラスチック）
などの材質からなっている。また、接触防止体（１１）
は、熱シールド板（６）と第２の容器（２）との間隔が
制約される位置に設けられている。即ち、第２の容器（
２）の第１及び第２の地上コイル（９） 、（１０）に
対向する面に対向するように、熱シールド板（６）に取
り付けられている。ここで、第１図は第５図の車両本体
（８）の右側の超電導磁石装置を示しているため、第２
の容器（２）の下面及び右上下側面が第１及び第２の地
上コイル（９） 、（１０）に対向している。従って、
接触防止体（１１）は、第２の容器（２）の下面及び右
上下側面に対向するように取り付けられている。さらに
、第２の容器（２）の側面に対向する接触防止体（１１
）は、第２図のようにスパンＬ＋で直線上に配置され、
第２の容器（２）の下面に対向する接触防止体（１１）
は、第３図のようにスパンＬ２で直線上に配置されてい
る。In the figure, (11) is a plurality of cylindrical contact prevention bodies provided so as to protrude from the surface facing the second container (2) of the heat shield plate (6). )
is a material with lower thermal conductivity and greater mechanical strength than the heat shield plate (6), such as GFRP (glass fiber reinforced plastic).
It is made of materials such as. In addition, the contact prevention body (11)
is provided at a position where the distance between the heat shield plate (6) and the second container (2) is restricted. That is, the second container (
The first and second ground coils (9) and (10) of 2) are attached to the heat shield plate (6) so as to face the surface facing the coils (10). Here, since FIG. 1 shows the superconducting magnet device on the right side of the vehicle body (8) in FIG.
The lower surface and upper and lower right side surfaces of the container (2) face the first and second ground coils (9) and (10). Therefore,
The contact prevention body (11) is attached so as to face the lower surface and the upper and lower right side surfaces of the second container (2). Furthermore, a contact prevention body (11
) is placed on a straight line with span L+ as shown in Figure 2,
Contact prevention body (11) facing the bottom surface of the second container (2)
are arranged on a straight line with span L2 as shown in FIG.
上記のように構成された超電導磁石装置においては、超
電導コイル（３）の超電導破壊により急激な磁束の変化
が生じると、熱シールド板（６）には従来と同様に荷重
が作用する。すると、まず接触防止体（１１）が第２の
容器（２）に当たり、その後は接触防止体（１１）が支
持スパンＬ、、Ｌ２で熱シールド板（６）にかかる荷重
を支持する。In the superconducting magnet device configured as described above, when a sudden change in magnetic flux occurs due to superconducting breakdown of the superconducting coil (3), a load acts on the heat shield plate (6) as in the conventional case. Then, the contact prevention body (11) first hits the second container (2), and then the contact prevention body (11) supports the load applied to the heat shield plate (6) with the support spans L, , L2.
そこで、磁束変化による荷重によって熱シールド板（６
）が変形して第２の容器（２）に接触しないように、ス
パンＬ、、Ｌ２を予め決めておけば、熱シールド板（６
）の第２の容器（２）への直接接触は防止され、第２の
容器（２）に熱が直接侵入することも防止される。Therefore, the heat shield plate (6
) is deformed and does not contact the second container (2), if the spans L, , L2 are determined in advance, the heat shield plate (6
) is prevented from coming into direct contact with the second container (2), and direct heat penetration into the second container (2) is also prevented.
また、従来は熱シールド板（６）の変形量が大きかった
ので、−度変形すると元に戻らないことがあったが、上
記実施例では接触防止体り１１）により熱シールド板（
６）の変形量が小さくなるため、熱シールド板（６）に
生じる応力も小さくなり、また熱シールド板（６）の変
形量が弾性変形限度内になり、荷重が作用しなくなった
後には、接触防止体（１１）は第２の容器（２）から離
れる。In addition, in the past, the amount of deformation of the heat shield plate (6) was large, so that once it was deformed by - degrees, it could not return to its original state, but in the above embodiment, the contact prevention body 11)
Since the amount of deformation of 6) becomes smaller, the stress generated in the heat shield plate (6) also becomes smaller, and after the amount of deformation of the heat shield plate (6) falls within the elastic deformation limit and no load is applied, The contact preventer (11) separates from the second container (2).
さらに、従来、通常の熱シールド板（６）の振動で、熱
シールド板（６）が第２の容器（２）に接触するような
ことはないものの、この振動の振れが大きい熱シールド
板（６）では、振動により熱が発生し、冷媒（５）の蒸
発量が増えるという欠点があったが、上記実施例のもの
は接触防止体（１１）によりこの振動の幅を抑えること
ができ、これにより冷媒（５）の蒸発量を減らすことが
できる。Furthermore, conventionally, although the heat shield plate (6) does not come into contact with the second container (2) due to the vibration of the normal heat shield plate (6), the heat shield plate (6) has a large vibration fluctuation. 6) had the disadvantage that heat was generated due to vibration and the amount of evaporation of the refrigerant (5) increased, but in the above embodiment, the width of this vibration can be suppressed by the contact prevention member (11), Thereby, the amount of evaporation of the refrigerant (5) can be reduced.
なお、上記実施例では接触防止体（１１）を熱シールド
板（６）に取り付けたが、第２の容器（２）側に取り付
けてもよい。In addition, although the contact prevention body (11) was attached to the heat shield plate (6) in the said Example, it may be attached to the 2nd container (2) side.
また、上記実施例では接触防止体（１１）を直線上に１
列ずつ配置したが、曲線状に配置したり、複数列に配置
したりしてもよい。In addition, in the above embodiment, the contact prevention body (11) is placed one time in a straight line.
Although they are arranged in rows, they may be arranged in a curved line or in multiple rows.
さらに、上記実施例では接触防止体（１１）として円柱
状の部材を示したが、例えば直方体状など池の形状であ
ってもよい。また、網状の接触防止体で第２の容器（２
）を覆ってもよい。さらに、例えば円錐状など、先端部
の断面積が小さい接触防止体を用いれば、より確実に第
２の容器（２）への熱の侵入を防止できる。Further, in the above embodiment, a cylindrical member is shown as the contact prevention body (11), but it may also be shaped like a pond, such as a rectangular parallelepiped shape. In addition, the second container (2
) may be covered. Furthermore, by using a contact prevention body having a small cross-sectional area at the tip, such as a conical shape, it is possible to more reliably prevent heat from entering the second container (2).
さらにまた、接触防止体の材質は熱伝導率が熱シールド
板（６）より低ければよいが、ＧＦＲＰやＣＦＲＰ （
カーボンファイバー強化プラスチック）など、熱伝導率
がかなり低く、機械的強度にも優れたものが望ましい。Furthermore, the material of the contact prevention body should have a thermal conductivity lower than that of the heat shield plate (6), but the material may be GFRP or CFRP (
It is desirable to use materials with fairly low thermal conductivity and excellent mechanical strength, such as carbon fiber reinforced plastic (carbon fiber reinforced plastic).
また、上記実施例では冷媒（５）として液体ヘリウムを
用いたが、超電導コイル（３）を超電導状態にできれば
、超電導コイル（３）の材質等に応じて他の冷媒を用い
てもよい。Further, although liquid helium was used as the refrigerant (5) in the above embodiment, other refrigerants may be used depending on the material of the superconducting coil (3), etc., as long as the superconducting coil (3) can be brought into a superconducting state.
［発明の効果コ
以上説明したように、この発明の超電導磁石装置は、熱
シールド部材より熱伝導率の低い材質からなる接触防止
体を、熱シールド部材と第２の容器との間に設けたので
、超電導コイルの超電導状態が破壊された場合でも、熱
シールド部材と第２の容器とが接触して第２の容器に熱
が直接侵入することがなく、冷却性能を維持することが
できるという効果がある。[Effects of the Invention] As explained above, in the superconducting magnet device of the present invention, a contact prevention body made of a material having a lower thermal conductivity than the heat shield member is provided between the heat shield member and the second container. Therefore, even if the superconducting state of the superconducting coil is destroyed, the heat shield member and the second container will not come into contact and heat will not directly enter the second container, making it possible to maintain cooling performance. effective.
第１図はこの発明の一実施例による超電導磁石装置を示
す構成図、第２図は第１図の第２の容器の側面に対向す
る接触防止体の配置状態を示す拡大構成図、第３図は第
１図の第２の容器の下面に対向する接触防止体の配置状
態を示す拡大構成図、第４図は従来の超電導磁石装置の
一例を示す構成図、第５図は第４図の超電導磁石装置が
取り付けられた超電導磁気浮上車両を示す構成図である
。
図において、（１）は第１の容器、（２）は第２の容器
、（３）は超電導コイル、（５）は冷媒、（６）は熱シ
ールド板、（１１）は接触防止体である。
なお、各図中、同一符号は同−又は相当部分を示す。FIG. 1 is a configuration diagram showing a superconducting magnet device according to an embodiment of the present invention, FIG. The figure is an enlarged configuration diagram showing the arrangement of the contact prevention body facing the bottom surface of the second container in Figure 1, Figure 4 is a configuration diagram showing an example of a conventional superconducting magnet device, and Figure 5 is the configuration diagram shown in Figure 4. 1 is a configuration diagram showing a superconducting magnetic levitation vehicle to which a superconducting magnet device is attached. In the figure, (1) is the first container, (2) is the second container, (3) is the superconducting coil, (5) is the refrigerant, (6) is the heat shield plate, and (11) is the contact prevention body. be. In each figure, the same reference numerals indicate the same or corresponding parts.
Claims (1)
れられる第２の容器と、この第２の容器に収納された超
電導コイルと、前記第１の容器と前記第２の容器との間
に設けられた熱シールド部材と、この熱シールド部材と
前記第２の容器との間に設けられ、かつ前記熱シールド
部材より熱伝導率の低い材質からなり、前記熱シールド
部材と前記第２の容器とが直接接触するのを防止する接
触防止体とを備えたことを特徴とする超電導磁石装置。a first container, a second container provided within the first container and containing a refrigerant, a superconducting coil housed in the second container, the first container and the second container. a heat shield member provided between the heat shield member and the second container, the heat shield member being made of a material having a lower thermal conductivity than the heat shield member; A superconducting magnet device comprising: a contact prevention body that prevents direct contact between a second container and a second container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63249074A JPH0297004A (en) | 1988-10-04 | 1988-10-04 | Superconductive magnet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63249074A JPH0297004A (en) | 1988-10-04 | 1988-10-04 | Superconductive magnet device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0297004A true JPH0297004A (en) | 1990-04-09 |
Family
ID=17187617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63249074A Pending JPH0297004A (en) | 1988-10-04 | 1988-10-04 | Superconductive magnet device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0297004A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10320251B2 (en) | 2016-12-19 | 2019-06-11 | Industry-Academic Cooperation Foundation Changwon National University | Flexible support apparatus for superconducting magnet in superconducting rotating machine |
-
1988
- 1988-10-04 JP JP63249074A patent/JPH0297004A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10320251B2 (en) | 2016-12-19 | 2019-06-11 | Industry-Academic Cooperation Foundation Changwon National University | Flexible support apparatus for superconducting magnet in superconducting rotating machine |
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