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CN1333409C - High temperature superconductive double helix current down-lead structure - Google Patents

High temperature superconductive double helix current down-lead structure Download PDF

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Publication number
CN1333409C
CN1333409C CNB2005100121257A CN200510012125A CN1333409C CN 1333409 C CN1333409 C CN 1333409C CN B2005100121257 A CNB2005100121257 A CN B2005100121257A CN 200510012125 A CN200510012125 A CN 200510012125A CN 1333409 C CN1333409 C CN 1333409C
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China
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double
current
wires
temperature superconductive
lead structure
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CN1737952A (en
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蒋晓华
何业冶
刘秀成
程志光
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Tsinghua University
Baoding Tianwei Group Co Ltd
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Tsinghua University
Baoding Tianwei Group Co Ltd
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    • 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
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment

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Abstract

高温超导双螺旋电流引线结构，属于高温超导技术领域，其特征在于，所述引线结构含有：双螺旋槽桶，用环氧树脂制成，其圆柱面呈双螺旋槽沟形；高温超导电流进线和出线，都用Bi-2223/Ag材料制成，所述电流进、出线依次间隔地绕制在所述双螺旋槽桶上，所述电流进线和电流出线都与放在液氦中的超导储能磁体相连。所述双螺旋结构可有效地增加高温超导电流进出线的长度，从而增大引线热阻，减小向低温冷却磁体系统的热泄露。

Figure 200510012125

The high-temperature superconducting double-helix current lead structure belongs to the high-temperature superconducting technical field, and is characterized in that the lead structure includes: a double-helical groove barrel made of epoxy resin, and its cylindrical surface is in the shape of a double-helical groove; The conductive current incoming and outgoing wires are both made of Bi-2223/Ag material, and the current incoming and outgoing wires are wound on the double helical groove barrel in sequence, and the current incoming and outgoing current wires are placed on the Superconducting energy storage magnets in liquid helium are connected. The double-helix structure can effectively increase the length of the high-temperature superconducting current inlet and outlet wires, thereby increasing the thermal resistance of the lead wires and reducing the heat leakage to the low-temperature cooling magnet system.

Figure 200510012125

Description

高温超导双螺旋电流引线结构High temperature superconducting double helix current lead structure

技术领域technical field

本发明属于高温超导技术领域。The invention belongs to the technical field of high-temperature superconductivity.

背景技术Background technique

与传统的铜电流引线相比，高温超导引线与铜引线组合的二元复合电流引线可大大降低高温环境向低温环境的漏热量。超导陶瓷的纯铸件形式的块状超导引线通常是棒状或者管状，其在低温下是脆性的。高温超导引线也可是超导带材。但目前的电流引线结构还不能显著地减小漏热量。Compared with the traditional copper current lead, the binary composite current lead combined with the high temperature superconducting lead and the copper lead can greatly reduce the heat leakage from the high temperature environment to the low temperature environment. Bulk superconducting leads in the form of pure castings of superconducting ceramics are usually rod-shaped or tubular, which are brittle at low temperatures. The high temperature superconducting wire can also be a superconducting tape. However, current lead structures cannot significantly reduce heat leakage.

发明内容Contents of the invention

本发明的目的在于提供一种新颖的基于高温超导材料的电流引线的双螺旋结构，可有效地增大高温超导电流引线的热阻，使向低温冷却磁体系统的热泄漏有所减小，用于超导储能系统。The purpose of the present invention is to provide a novel double helix structure based on the current lead of high temperature superconducting material, which can effectively increase the thermal resistance of the high temperature superconducting current lead and reduce the heat leakage to the low temperature cooling magnet system , for superconducting energy storage systems.

本发明的特征在于：The present invention is characterized in that:

所述双螺旋电流引线结构含有：The double helix current lead structure contains:

双螺旋槽桶，用环氧树脂制成；Double helical groove barrel, made of epoxy resin;

高温超导电流进线，该电流进线是一种银基Bi-2223高温超导带材；The high-temperature superconducting current inlet line is a silver-based Bi-2223 high-temperature superconducting tape;

高温超导电流出线，该电流出线是一种银基Bi-2223高温超导带材；High-temperature superconducting current outlet, the current outlet is a silver-based Bi-2223 high-temperature superconducting tape;

所述高温超导电流进线和高温超导电流出线依次相间隔地绕制在所述双螺旋槽桶上，该槽桶的圆柱面呈双螺旋槽沟形；所述电流进线是经过超导储能磁体线圈后再与所述电流出线相连的。The high-temperature superconducting current incoming wire and the high-temperature superconducting current outgoing wire are sequentially wound on the double-helical grooved barrel, and the cylindrical surface of the grooved barrel is in the shape of a double-helical groove; the current incoming wire is passed through the superconducting The energy storage magnet coil is then connected to the current outlet.

双螺旋结构可以有效地增加高温超导电流引线Bi-2223/Ag的长度，从而增大引线的热阻，减小向低温冷却磁体系统的热泄漏。The double helix structure can effectively increase the length of the high-temperature superconducting current lead Bi-2223/Ag, thereby increasing the thermal resistance of the lead and reducing the heat leakage to the low-temperature cooling magnet system.

附图说明Description of drawings

图1.为高温超导双螺旋电流引线结构图：Figure 1. The structure diagram of the high temperature superconducting double helix current lead:

1为高温超导电流引线的双螺旋槽桶；1 is a double-helical groove barrel for high-temperature superconducting current leads;

2为高温超导电流引线，其中21为进线，22为出线。2 is a high-temperature superconducting current lead, wherein 21 is an incoming line, and 22 is an outgoing line.

具体实施方式Detailed ways

本高温超导双螺旋电流引线结构是在环氧树脂制成的双螺旋槽桶的基础上绕制两根银基Bi-2223高温超导带材，分别作为电流的进线和出线。The high-temperature superconducting double-helix current lead structure is based on a double-helical groove barrel made of epoxy resin, and two silver-based Bi-2223 high-temperature superconducting strips are wound, which are respectively used as the incoming wire and the outgoing wire of the current.

Claims (1)

1. high temperature superconductive double helix current down-lead structure is characterized in that, described double helix current down-lead structure contains: the double spiral groove bucket, make with epoxy resin;
High-temperature superconductive inlet wire, this electric current inlet wire are a kind of money base Bi-2223 belt material of high temperature superconduct;
High-temperature superconductive outlet, this electric current outlet are a kind of money base Bi-2223 belt material of high temperature superconduct;
Described high-temperature superconductive inlet wire and high-temperature superconductive outlet are wound on the described double spiral groove bucket successively at intervals, and the face of cylinder of this groove bucket is double helix groove shape; Described electric current inlet wire links to each other with described electric current outlet after through the superconducting magnetic energy storage coil again.
CNB2005100121257A 2005-07-08 2005-07-08 High temperature superconductive double helix current down-lead structure Expired - Fee Related CN1333409C (en)

Priority Applications (1)

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CNB2005100121257A CN1333409C (en) 2005-07-08 2005-07-08 High temperature superconductive double helix current down-lead structure

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CN1333409C true CN1333409C (en) 2007-08-22

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100386825C (en) * 2006-05-23 2008-05-07 清华大学 Method for improving critical current density of Bi-2223 strip
EP2369600B1 (en) * 2010-03-04 2012-08-29 Nexans Direct current supraconductor cable
CN102637502B (en) * 2012-03-06 2014-03-19 中国科学院电工研究所 Barrel type high-temperature superconducting non-inductive coil
CN104733151B (en) * 2013-12-20 2019-03-15 通用电气公司 Apparatus and method for storing superconducting leads, and superconducting magnet system using the same
DE102018213598A1 (en) * 2018-08-13 2020-02-13 Siemens Aktiengesellschaft Superconducting power supply
WO2021005749A1 (en) * 2019-07-10 2021-01-14 三菱電機株式会社 Superconducting magnet

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1094502A (en) * 1992-11-30 1994-11-02 瑞典通用电器勃朗勃威力公司 The air cooling sleeve pipe of using as superconducting applications in the cryostat,
JPH11186025A (en) * 1997-05-08 1999-07-09 Sumitomo Electric Ind Ltd Superconducting coil
CN1560881A (en) * 2004-03-05 2005-01-05 清华大学 High temperature superconducting energy storage magnet system cooled by liquid helium

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1094502A (en) * 1992-11-30 1994-11-02 瑞典通用电器勃朗勃威力公司 The air cooling sleeve pipe of using as superconducting applications in the cryostat,
JPH11186025A (en) * 1997-05-08 1999-07-09 Sumitomo Electric Ind Ltd Superconducting coil
CN1560881A (en) * 2004-03-05 2005-01-05 清华大学 High temperature superconducting energy storage magnet system cooled by liquid helium

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
1KA级铋系高温超导模型电缆的研制 林玉宝等，低温物理学报，第21卷第2期 0199 *

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