JPH08138823A - Superconductive conductor connection device - Google Patents
Superconductive conductor connection deviceInfo
- Publication number
- JPH08138823A JPH08138823A JP27502694A JP27502694A JPH08138823A JP H08138823 A JPH08138823 A JP H08138823A JP 27502694 A JP27502694 A JP 27502694A JP 27502694 A JP27502694 A JP 27502694A JP H08138823 A JPH08138823 A JP H08138823A
- Authority
- JP
- Japan
- Prior art keywords
- block
- superconducting
- connection
- wires
- divided
- 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.)
- Withdrawn
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- Superconductors And Manufacturing Methods Therefor (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は超伝導電力貯蔵装置、核
融合超伝導コイル、超伝導ケーブル、超伝導電磁推進
船、等の超伝導導体を使用する全ての装置に適用される
超伝導導体接続装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is applicable to all devices using superconducting conductors such as superconducting power storage devices, fusion superconducting coils, superconducting cables, superconducting electromagnetic propulsion ships, etc. Regarding connection device.
【０００２】[0002]
【従来の技術】図５，図６は従来の超伝導導体接続装置
の断面図で、図５はブロックを用いるもの、図６はブロ
ックを用いない場合の例である。図５において、上側の
２本からなる超伝導線１と下側の２本からなる超伝導線
１’とは接続用ブロック３２内に収納され、ハンダ４を
流し込み、お互の線を接続すると共にブロック３２内に
固定されている構造である。図６は接続用ブロック３２
を用いずに超伝導線１，１’を直接ハンダ４で接続し、
固定した構造を示している。2. Description of the Related Art FIGS. 5 and 6 are sectional views of a conventional superconducting conductor connecting apparatus. FIG. 5 shows an example in which a block is used and FIG. 6 shows an example in which no block is used. In FIG. 5, the upper two superconducting wires 1 and the lower two superconducting wires 1 ′ are housed in a connecting block 32, and a solder 4 is poured in to connect the wires to each other. Together with this, the structure is fixed in the block 32. FIG. 6 shows a connection block 32.
Without using, connect the superconducting wires 1,1 'directly with solder 4,
The fixed structure is shown.
【０００３】[0003]
【発明が解決しようとする課題】図５，図６で説明の従
来の超伝導導体接続装置においては、次のような問題が
あった。The conventional superconducting conductor connecting device described with reference to FIGS. 5 and 6 has the following problems.
【０００４】（１）接続用ブロック３２内体積又は図６
に示す全体の導体１，１’の体積が大きい為、ブロック
内へのハンダ４の流し込み時、超伝導線１，１’のブロ
ック内での偏り等により接続欠陥（ボイド等）が生じや
すく、その結果として、接続部での抵抗が大きくなり、
電流を流した時のジュール発熱が過大となる。この発熱
により超伝導線１，１’が加熱され、臨界温度（Ｔｃ）
を越え常電導へ遷移（クエンチ）する。このクエンチを
引き起こすことによりコイル内に常電導状態で大電圧が
発生し、超電導導体１，１’の焼損、絶縁、破損等、コ
イル本体の破壊（性能劣化）につながってしまう。(1) Internal volume of connecting block 32 or FIG.
Since the volume of the whole conductors 1, 1'shown in (3) is large, connection defects (voids, etc.) are likely to occur due to the deviation of the superconducting wires 1, 1'in the block when the solder 4 is poured into the block, As a result, the resistance at the connection increases,
Excessive Joule heat is generated when an electric current is applied. Due to this heat generation, the superconducting wires 1, 1'are heated, and the critical temperature (Tc)
Transit to normal conduction (quenching). By causing this quench, a large voltage is generated in the coil in the normal conductive state, which leads to destruction (performance deterioration) of the coil body such as burning, insulation, and damage of the superconducting conductors 1 and 1 '.
【０００５】（２）コイル破壊に至ずとも、効率、安定
性、信頼性が劣化する。(2) Even if the coil is not destroyed, the efficiency, stability and reliability are deteriorated.
【０００６】[0006]
【課題を解決するための手段】本発明はこのような課題
を解決するために、複数の超伝導線を収納し、接続する
接続用ブロックを分割型とした構成とし、更に、この分
割した接続用ブロックの接触部に溝形状を設け、更に良
導電性物質を挟み込む構成も提供する。In order to solve such a problem, the present invention has a structure in which a connecting block for accommodating and connecting a plurality of superconducting wires is of a split type, and further, the divided connection is made. A configuration is also provided in which a groove shape is provided in the contact portion of the use block, and a good conductive substance is sandwiched.
【０００７】即ち、本発明は、（１）複数の超伝導線
と、同超伝導線を内部に収納し、同超伝導線同志をハン
ダ等で接続して保持する接続用ブロックとを有する超伝
導導体接続装置において、前記接続用ブロックを分割し
てなることを特徴とする超伝導導体接続装置を提供す
る。That is, the present invention is (1) a super block having a plurality of superconducting wires and a connecting block for accommodating the superconducting wires inside and connecting and holding the superconducting wires together with solder or the like. A superconducting conductor connecting device, characterized in that the connecting block is divided.
【０００８】更に、（２）前述の（１）の発明におい
て、前記接続用ブロックの分割部分は溝を有する形状と
し、かつ、その分割部分には良導電性物質を挟み込んで
なることを特徴とする超伝導導体接続装置も提供する。Further, (2) in the above-mentioned invention (1), the divided portion of the connecting block has a shape having a groove, and a good conductive material is sandwiched in the divided portion. Also provided is a superconducting conductor connecting device.
【０００９】[0009]
【作用】本発明はこのような手段により、その（１）の
発明においては、接続用ブロックが分割されているの
で、従来と比べると、接続用ブロック内体積が減少し、
又、分割して小面積内でハンダ、等を流し込んで超伝導
線同志を接続するため、接続用ブロック内での接続の偏
りが減少し、均一な接続ができるので、ハンダ流し込み
時に発生する欠陥（ボイド等）が少なくなることによ
り、超伝導線相互の接続部抵抗を低くすることができ
る。従って、複数本の超伝導線を確実に接続し、固定で
きると共に、接続部でのジュール熱を低減することがで
き、超伝導から常伝導への遷移によるコイル破壊を防止
し、安定性、信頼性が向上するものである。According to the present invention, since the connecting block is divided in the invention of (1) by such means, the internal volume of the connecting block is reduced as compared with the prior art.
In addition, since the superconducting wires are connected by dividing them and pouring solder, etc. in a small area, uneven connection in the connecting block is reduced and even connections can be made. By reducing (voids and the like), it is possible to reduce the resistance of the connecting portion between the superconducting wires. Therefore, a plurality of superconducting wires can be securely connected and fixed, Joule heat at the connection part can be reduced, coil destruction due to transition from superconducting to normal conducting can be prevented, and stability and reliability can be prevented. It improves the sex.
【００１０】（２）の発明においては、（１）の発明と
同じ作用、効果を奏すると共に、これに加えて、分割し
た接続用ブロックの接触部に、例えば連続した短形状や
三角形状、等の溝加工が施されているので接続用ブロッ
ク同志の接触面積が増え、接続抵抗を低くすることがで
きる。又、接続用ブロック同志の接触面に、良導電性薄
膜、例えばインジュームシートを又、良導電性ペース
ト、例えば銀ペースト等を挟み込んで装着することによ
り、接続用ブロック同志の密着度が高まり、接続抵抗も
低くすることができる。In the invention of (2), the same action and effect as those of the invention of (1) are obtained, and in addition to this, for example, continuous short shapes or triangular shapes are provided at the contact portions of the divided connecting blocks. Since the groove processing is performed, the contact area between the connecting blocks increases and the connection resistance can be reduced. In addition, by attaching a good conductive thin film, for example, an indium sheet, to the contact surface of the connecting blocks by sandwiching a good conductive paste, for example, a silver paste or the like, the adhesion between the connecting blocks increases, The connection resistance can also be lowered.
【００１１】[0011]
【実施例】以下、本発明の実施例を図面に基づいて具体
的に説明する。図１は本発明の第１実施例に係る超伝導
導体接続装置の斜視図、図２はその断面図である。両図
において、１，１’は超伝導線で接続用ブロック２，
２’内でハンダ４が流し込まれ、それぞれ超伝導線同志
が接続され、ハンダ４で含浸されている。接続用ブロッ
クは２と２’のように２分割された構造で、接触面５に
は短形状の溝加工が施され、インジュームシート、等の
良導電性薄膜か又は銀ペースト、等の良導電性薄膜から
なる良導電材料３が挟み込まれ、設置されて接続用ブロ
ックを構成している。この第１実施例においては接触面
５の形状は接触面積を増し、抵抗を低くするために連続
した短形状となっており、両ブロック２，２’が正確に
結合されるようになっている。Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is a perspective view of a superconducting conductor connecting apparatus according to a first embodiment of the present invention, and FIG. 2 is a sectional view thereof. In both figures, 1 and 1'are superconducting wires, and a connecting block 2,
Solder 4 is poured into 2 ', and the superconducting wires are connected to each other and impregnated with solder 4. The connecting block has a structure divided into two, such as 2 and 2 ', and the contact surface 5 is grooved in a short shape. The contact block 5 is made of a good conductive thin film such as an indium sheet or a good silver paste. The good conductive material 3 made of a conductive thin film is sandwiched and installed to form a connection block. In the first embodiment, the shape of the contact surface 5 is a continuous short shape in order to increase the contact area and reduce the resistance, so that both blocks 2 and 2'are accurately joined together. .
【００１２】図３は本発明の超伝導導体接続装置の第２
実施例である。第１実施例と異る部分は接続用ブロック
１２と１２’の接触面１３の形状で、連続した三角形状
となっており、第１実施例と同様に良導電材料３が挟み
込まれ、装着されている。この三角形状の接触面１５は
短形状と比べると接触面積はやや少くなるが、加工が容
易となる利点がある。FIG. 3 shows a second embodiment of the superconducting conductor connecting device of the present invention.
This is an example. The portion different from the first embodiment is the shape of the contact surface 13 of the connecting blocks 12 and 12 ', which is a continuous triangular shape, and the good conductive material 3 is sandwiched and mounted as in the first embodiment. ing. Although the contact area of the triangular contact surface 15 is slightly smaller than that of the short contact surface 15, there is an advantage that processing is easy.
【００１３】図４は本発明の超伝導導体接続装置の第３
実施例である。本第３実施例においては、第１、又は第
２実施例での接続用ブロック内を２分割すると共に更に
複数にｎ分割した接続用ブロック２２，２２’としたも
ので、図示のように分割ブロック２２−１〜２２−ｎで
内部をｎ分割し、各分割部分内部をハンダ４を流し込
み、２本の超伝導線１同志を接続したものである。その
他の構成は第１，第２実施例と同じである。FIG. 4 shows a third embodiment of the superconducting conductor connecting device of the present invention.
This is an example. In the third embodiment, the inside of the connection block in the first or second embodiment is divided into two, and the connection block is divided into a plurality of n blocks 22 and 22 '. The inside is divided into n by the blocks 22-1 to 22-n, the solder 4 is poured into each divided portion, and two superconducting wires 1 are connected to each other. Other configurations are the same as those in the first and second embodiments.
【００１４】前述の実施例での接触面５，１５の形状は
短形状、三角形状として説明したが、本発明ではこれら
の形状を限定するものではなく、その他不定形の形状を
含み、接触面積が大きくなり、抵抗が低くなれば良いも
ので、その他の溝形状でも同様の効果を有するもので、
当然本発明の範囲に含まれるものである。Although the shapes of the contact surfaces 5 and 15 in the above-described embodiments are described as short shapes and triangular shapes, the present invention is not limited to these shapes and includes other irregular shapes, and the contact area is As long as the resistance is large and the resistance is low, other groove shapes have the same effect.
Naturally, it is included in the scope of the present invention.
【００１５】上記に説明の第１〜第３実施例によれば、
次のような効果がある。According to the first to third embodiments described above,
It has the following effects.
【００１６】（１）接続用ブロック内体積が減少するた
め、ハンダ４の流し込み時の欠陥（ボイド等）が少なく
なることにより、接触面５，１５の接続部抵抗を低くす
ることができる。特に、第３実施例は接続用ブロック２
２内の体積減少の効果を増すことができる。(1) Since the internal volume of the connecting block is reduced, defects (voids, etc.) at the time of pouring the solder 4 are reduced, so that the contact resistance of the contact surfaces 5, 15 can be lowered. Particularly, in the third embodiment, the connection block 2 is used.
The effect of volume reduction within 2 can be increased.
【００１７】（２）接続用ブロック同志の接触面５，１
５に短形状、三角形状、等の溝加工を施すことにより、
接続ブロック同志の接触面積が増え、接続抵抗を低くす
ることができる。この場合、第２実施例の三角形状は溝
加工性を容易にする利点がある。(2) Blocks for connection Contact surfaces 5, 1 of one another
By performing groove processing such as short shape, triangular shape, etc. on 5,
The contact area between the connection blocks increases, and the connection resistance can be reduced. In this case, the triangular shape of the second embodiment has an advantage of facilitating groove workability.
【００１８】（３）接続ブロック同志の接触面５，１５
に、良導電性薄膜または良導電性ペースト等からなる良
導電材料３，１３を設置することにより、接続ブロック
同志の密着度が高まり、接続抵抗を低くすることができ
る。(3) Contact surfaces of connecting blocks 5, 15
By providing the good conductive materials 3 and 13 made of a good conductive thin film or a good conductive paste, the adhesion between the connection blocks can be increased and the connection resistance can be reduced.
【００１９】[0019]
【発明の効果】以上、具体的に説明したように、本発明
によれば、複数の超伝導線を収納し、接続する接続用ブ
ロックを分割型とした構成、更に、分割した接続用ブロ
ックの接触部に溝形状を設け、更に、この接触面に良導
電性物質を挟み込む構成としたので次のような効果を有
するものである。As described above in detail, according to the present invention, the connecting block for accommodating and connecting a plurality of superconducting wires is of a split type, and further, the connecting block is divided. Since a groove shape is provided in the contact portion and a good conductive substance is sandwiched between the contact surfaces, the following effects are obtained.
【００２０】（１）接続用ブロック内体積が減少するた
め、超伝導線相互を接続するためのハンダ流し込み時の
欠陥（ボイド等）が少なくなることにより、接続部抵抗
を低くすることができる。(1) Since the internal volume of the connecting block is reduced, defects (voids, etc.) at the time of pouring solder for connecting the superconducting wires to each other are reduced, so that the resistance of the connecting portion can be lowered.
【００２１】（２）溝加工を施し、接続用ブロック同志
の接触面積が増えることにより、接続抵抗を低くするこ
とができる。(2) Since the groove is processed to increase the contact area between the connecting blocks, the connecting resistance can be lowered.
【００２２】（３）良導電性薄膜、良導電性ペースト、
等の良導電性物質を分割した接続用ブロックの接触部に
装着することにより、接続用ブロック同志の密着度が高
まることにより、接続抵抗を低くすることができる。(3) Good conductive thin film, good conductive paste,
By attaching a good conductive material such as the above to the contact portions of the divided connecting blocks, the degree of adhesion between the connecting blocks can be increased, and the connecting resistance can be lowered.
【００２３】（４）上記（１）〜（３）により、接続部
でのジュール発熱を低減することができ、クエンチによ
るコイル破壊（性能劣化）を防止できることのみなら
ず、コイルの運転効率、安定性、信頼性の向上が図れ
る。(4) Due to the above (1) to (3), Joule heat generation at the connecting portion can be reduced, and not only the coil destruction (performance deterioration) due to quenching can be prevented, but also the operation efficiency and stability of the coil can be improved. And reliability can be improved.
【図１】本発明の第１実施例に係る超伝導導体接続装置
の斜視図である。FIG. 1 is a perspective view of a superconducting conductor connecting apparatus according to a first embodiment of the present invention.
【図２】図１における超伝導導体接続装置の断面図であ
る。FIG. 2 is a cross-sectional view of the superconducting conductor connecting device in FIG.
【図３】本発明の第２実施例に係る超伝導導体接続装置
の断面図である。FIG. 3 is a sectional view of a superconducting conductor connecting apparatus according to a second embodiment of the present invention.
【図４】本発明の第３実施例に係る超伝導導体接続装置
の断面図である。FIG. 4 is a sectional view of a superconducting conductor connecting apparatus according to a third embodiment of the present invention.
【図５】従来の超伝導導体接続装置の断面図である。FIG. 5 is a sectional view of a conventional superconducting conductor connecting device.
【図６】従来の接続用ブロックのない場合の超伝導導体
接続装置の断面図である。FIG. 6 is a cross-sectional view of a conventional superconducting conductor connecting device without a connecting block.
１，１’ 超伝導線 ２，２’ 接続用ブロック ３ 良導電材料 ４ ハンダ ５ 接触面 １２，１２’ 接続用ブロック １３，１３’ 接触面 ２２，２２’ 接続用ブロック 1,1 'Superconducting wire 2,2' Connection block 3 Good conductive material 4 Solder 5 Contact surface 12,12 'Connection block 13,13' Contact surface 22,22 'Connection block
Claims (2)
収納し、同超伝導線同士をハンダ等で接続して保持する
接続用ブロックとを有する超伝導導体接続装置におい
て、前記接続用ブロックを分割してなることを特徴とす
る超伝導導体接続装置。1. A superconducting conductor connecting apparatus comprising: a plurality of superconducting wires; and a connecting block that houses the superconducting wires inside and connects the superconducting wires to each other with solder or the like to hold the superconducting wires. A superconducting conductor connecting device, characterized in that the connecting block is divided.
する形状とし、かつ、その分割部分には良導電性物質を
挟み込んでなることを特徴とする請求項１記載の超伝導
導体接続装置。2. The superconducting conductor connecting device according to claim 1, wherein the divided portion of the connecting block has a shape having a groove, and a good conductive material is sandwiched in the divided portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27502694A JPH08138823A (en) | 1994-11-09 | 1994-11-09 | Superconductive conductor connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27502694A JPH08138823A (en) | 1994-11-09 | 1994-11-09 | Superconductive conductor connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08138823A true JPH08138823A (en) | 1996-05-31 |
Family
ID=17549846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27502694A Withdrawn JPH08138823A (en) | 1994-11-09 | 1994-11-09 | Superconductive conductor connection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08138823A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003123866A (en) * | 2001-10-15 | 2003-04-25 | Mitsubishi Heavy Ind Ltd | Connection structure of superconducting wire |
| US20210012930A1 (en) * | 2018-03-26 | 2021-01-14 | Mitsubishi Materials Corporation | Method for manufacturing insulating superconductive wire rod |
-
1994
- 1994-11-09 JP JP27502694A patent/JPH08138823A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003123866A (en) * | 2001-10-15 | 2003-04-25 | Mitsubishi Heavy Ind Ltd | Connection structure of superconducting wire |
| US20210012930A1 (en) * | 2018-03-26 | 2021-01-14 | Mitsubishi Materials Corporation | Method for manufacturing insulating superconductive wire rod |
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