CN1737957A - Current down-lead structure of superconducting magnetic energy storage - Google Patents
Current down-lead structure of superconducting magnetic energy storage Download PDFInfo
- Publication number
- CN1737957A CN1737957A CNA2005100121242A CN200510012124A CN1737957A CN 1737957 A CN1737957 A CN 1737957A CN A2005100121242 A CNA2005100121242 A CN A2005100121242A CN 200510012124 A CN200510012124 A CN 200510012124A CN 1737957 A CN1737957 A CN 1737957A
- Authority
- CN
- China
- Prior art keywords
- wire
- lead
- lead wire
- current lead
- heat conducting
- 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.)
- Granted
Links
- 238000004146 energy storage Methods 0.000 title claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052802 copper Inorganic materials 0.000 claims abstract description 31
- 239000010949 copper Substances 0.000 claims abstract description 31
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 20
- LTPBRCUWZOMYOC-UHFFFAOYSA-N Beryllium oxide Chemical compound O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 claims abstract description 13
- FRWYFWZENXDZMU-UHFFFAOYSA-N 2-iodoquinoline Chemical compound C1=CC=CC2=NC(I)=CC=C21 FRWYFWZENXDZMU-UHFFFAOYSA-N 0.000 claims description 9
- 230000005855 radiation Effects 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 4
- 229910052734 helium Inorganic materials 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Abstract
Disclosed a current lead wire of superconducting energy storage magnetic coil, belongs to technique field of the structure of current lead wire in superconducting device. The character comprises: the part near the elevated temperature end uses straight-rod copper current lead wire, while the part near low temperature end use elevated temperature superconduction current lead wire in double helix structure; said straight-rod copper current lead wire arranged on the upper and lower ends of heat conducting table is fixed by two connecters and it is through the heat conducting table, welded with elevated temperature superconducting current lead wire, while the connecter is formed by the adiabatic beryllia block sheathing said straight copper current lead wire and the copper cap nut for fixing the beryllia. The invention can at most increase the heat diffusion path in effective space, to decrease the leakage of heat.
Description
Technical field
The present invention relates to superconducting magnetic energy storage current down-lead structure technical field.
Background technology
The current feed of superconducting magnetic energy storage is the intermediate current-carrying device that electric current is connected to the superconducting magnet thermostat from the power end of room temperature environment.The design of the current feed of superconducting magnetic energy storage will make temperature end to the heat conduction of low-temperature end and the Joule heat minimum that electric current produced of the current feed of flowing through.At present, the high-temperature superconducting energy storage magnet adopts straight bar type copper current to go between; Low-temperature superconducting energy storage magnet then adopts the copper current lead-in wire and the high temperature superconducting materia lead-in wire of straight bar type.Though straight bar type current down-lead structure simplicity of design is unfavorable for optimizing the miniaturization of leaking heat and superconducting device.
Summary of the invention
The objective of the invention is to propose the current down-lead structure of the little superconducting magnetic energy storage simple in structure again of a kind of leaking heat.
The invention is characterized in:
Described current down-lead structure contains:
A. straight bar type copper current lead-in wire, this lead-in wire have respectively one of inlet wire and outlet, and the top of described lead-in wire is by the sealing of Dewar upper flange;
B. heat conducting disk flatly is positioned at the heat conducting disk fixed body, and is mutually permanently connected;
C. radiation-resistant stainless steel sleeve, two ends link to each other with the heat conducting disk fixed body with described Dewar upper flange respectively successively up and down, and are enclosed within outside the described straight bar type copper current lead-in wire;
D. joint is the copper nut formation that is enclosed within the outer adiabatic beryllium oxide piece of described straight bar type copper current lead-in wire and is used for fixing this beryllium oxide piece, is used for fixing the heat conducting disk straight bar type copper current lead-in wire at two ends up and down.
E. low-temperature end high temperature superconductive double helix current down-lead structure, contain: the double spiral groove bucket, described double spiral groove bucket is made of epoxide resin; High-temperature superconductive lead wire, form by an inlet wire and an outlet, described high-temperature superconductive lead wire and by the corresponding welding of straight bar type copper current lead-in wire after the heat conducting disk, and the inlet wire of high-temperature superconductive lead wire and outlet are wound in the double spiral groove of described double spiral groove bucket periphery successively at intervals, described high-temperature superconductive lead wire links to each other with the superconducting magnetic energy storage coil respectively from the lower end of inlet wire and outlet, and described high-temperature superconductive lead wire is made with the Bi-2333/Ag material.
Experimental results show that: the present invention can increase heat-transfer path as far as possible in the confined space, reduce leaking heat.
Description of drawings
Accompanying drawing 1 is the contrast of superconducting magnet current feed concrete form.
Fig. 1 (a) is the current down-lead structure of straight bar type copper lead-in wire and high-temperature superconducting lead.
1 is straight bar type copper current lead-in wire;
2 is straight bar type high-temperature superconductive lead wire.
Fig. 1 (b) is the current down-lead structure of straight bar type copper lead-in wire of the present invention and double helix high-temperature superconducting lead.
1 is straight bar type copper current lead-in wire;
3 is radiation-resistant stainless steel sleeve;
4 is the heat conducting disk that links to each other with refrigeration machine and cold head;
5 are the joint of copper lead-in wire with heat conducting disk;
51 is the beryllium oxide piece of insulating heat-conductive;
52 for being used for fixing the copper nut of beryllium oxide;
6 is the Dewar upper flange;
7 is bellows;
8 liquid helium tubes;
9 is double-stranded high-temperature superconductive lead wire;
10 heat conducting disk fixed bodies;
11 superconducting magnetic energy storage coils.
Embodiment
The present invention proposes a kind of current down-lead structure of novel superconducting magnetic energy storage, the part of close temperature end goes between with the copper current of straight bar type, part near low-temperature end then is double-stranded high-temperature superconductive lead wire, make in limited space, increase heat-transfer path as far as possible, thereby reduce leaking heat.
The current down-lead structure of superconducting magnetic energy storage of the present invention another is characterised in that the copper lead-in wire and the joint of heat conducting disk used the beryllium oxide of insulating heat-conductive, and the one-level cold head by refrigeration machine passes out heat from heat conducting disk.
The superconducting magnetic energy storage coil need be operated in the liquid helium warm area of about 4.2K, and it links to each other with the power supply that is in room temperature by current feed.Wherein, the copper current lead-in wire places radiation-resistant stainless steel sleeve, and its top is by the sealing of Dewar upper flange; Be attached to the high-temperature superconducting lead that the Bi-2333 material on the money base forms and place in the bellows, link to each other with superconducting magnetic energy storage coil in the liquid helium tube; Realize the electricity isolation by insulating barrier between copper conductor and the heat conducting disk, both joints are made up of the beryllium oxide piece of copper nut and insulating heat-conductive, it closely is fixed in the beryllium oxide piece on the heat conducting disk by copper nut, thereby realizes heat transmission and electric insulation between copper conductor and heat conducting disk; Heat conducting disk links to each other with the one-level cold head of refrigeration machine, by refrigeration its temperature is remained on about 50K.
Claims (1)
1. the current down-lead structure of superconducting magnetic energy storage is characterized in that, described current down-lead structure contains:
A. straight bar type copper current lead-in wire, this lead-in wire have respectively one of inlet wire and outlet, and the top of described lead-in wire is by the sealing of Dewar upper flange;
B. heat conducting disk flatly is positioned at the heat conducting disk fixed body, and is mutually permanently connected;
C. radiation-resistant stainless steel sleeve, two ends link to each other with the heat conducting disk fixed body with described Dewar upper flange respectively successively up and down, and are enclosed within outside the described straight bar type copper current lead-in wire;
D. joint is made of the copper nut that is enclosed within the outer adiabatic beryllium oxide piece of described straight bar type copper current lead-in wire and is used for fixing this beryllium oxide piece, each one up and down, is used for fixing the heat conducting disk straight bar type copper current lead-in wire at two ends up and down;
E. low-temperature end high temperature superconductive double helix current down-lead structure, contain: the double spiral groove bucket, described double spiral groove bucket is made of epoxy resin; High-temperature superconductive lead wire, form by an inlet wire and an outlet, described high-temperature superconductive lead wire and by the corresponding welding of straight bar type copper current lead-in wire after the heat conducting disk, and the inlet wire of high-temperature superconductive lead wire and outlet are wound in the double spiral groove of described double spiral groove bucket periphery successively at intervals, the inlet wire of described high-temperature superconductive lead wire links to each other with the superconducting magnetic energy storage coil respectively with the lower end of outlet, and described high-temperature superconductive lead wire is made with the Bi-2333/Ag material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100121242A CN100390906C (en) | 2005-07-08 | 2005-07-08 | Current down-lead structure of superconducting magnetic energy storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100121242A CN100390906C (en) | 2005-07-08 | 2005-07-08 | Current down-lead structure of superconducting magnetic energy storage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1737957A true CN1737957A (en) | 2006-02-22 |
| CN100390906C CN100390906C (en) | 2008-05-28 |
Family
ID=36080721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100121242A Expired - Fee Related CN100390906C (en) | 2005-07-08 | 2005-07-08 | Current down-lead structure of superconducting magnetic energy storage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100390906C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100495597C (en) * | 2006-09-30 | 2009-06-03 | 中国科学院电工研究所 | Conductive cooling superconducting magnet system in use for gyrotron |
| CN101409127B (en) * | 2008-07-25 | 2011-05-04 | 中国科学院等离子体物理研究所 | High-safety low leakage heat high-temperature super-conduction current divider for great current down-lead |
| CN102779605A (en) * | 2011-05-12 | 2012-11-14 | 上海联影医疗科技有限公司 | Superconducting joint for superconducting magnet of magnetic resonance imaging system |
| CN101178967B (en) * | 2006-10-02 | 2012-12-26 | 通用电气公司 | High temperature superconducting current leads for superconducting magnets |
| CN103151137A (en) * | 2012-03-05 | 2013-06-12 | 宁波健信机械有限公司 | Superconducting current lead wire for magnetic resonance imaging superconducting magnet |
| CN103839649A (en) * | 2014-03-05 | 2014-06-04 | 云南电力试验研究院（集团）有限公司电力研究院 | Binary current lead structure in conduction cooling mode |
| CN106872733A (en) * | 2017-01-16 | 2017-06-20 | 中国科学院合肥物质科学研究院 | 2kA superconductive strand critical current test sample holders |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09116200A (en) * | 1995-10-18 | 1997-05-02 | Fuji Electric Co Ltd | Current lead for superconductive device |
| JPH1079303A (en) * | 1996-09-04 | 1998-03-24 | Fuji Electric Co Ltd | Current lead |
| JPH11112043A (en) * | 1997-09-30 | 1999-04-23 | Fuji Electric Co Ltd | Current lead for super conducting device |
| JP3573972B2 (en) * | 1998-09-03 | 2004-10-06 | 株式会社東芝 | Superconducting magnet |
| JP2001119078A (en) * | 1999-10-20 | 2001-04-27 | Fuji Electric Co Ltd | Superconducting current lead |
-
2005
- 2005-07-08 CN CNB2005100121242A patent/CN100390906C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100495597C (en) * | 2006-09-30 | 2009-06-03 | 中国科学院电工研究所 | Conductive cooling superconducting magnet system in use for gyrotron |
| CN101178967B (en) * | 2006-10-02 | 2012-12-26 | 通用电气公司 | High temperature superconducting current leads for superconducting magnets |
| CN101409127B (en) * | 2008-07-25 | 2011-05-04 | 中国科学院等离子体物理研究所 | High-safety low leakage heat high-temperature super-conduction current divider for great current down-lead |
| CN102779605A (en) * | 2011-05-12 | 2012-11-14 | 上海联影医疗科技有限公司 | Superconducting joint for superconducting magnet of magnetic resonance imaging system |
| CN103151137A (en) * | 2012-03-05 | 2013-06-12 | 宁波健信机械有限公司 | Superconducting current lead wire for magnetic resonance imaging superconducting magnet |
| CN103839649A (en) * | 2014-03-05 | 2014-06-04 | 云南电力试验研究院（集团）有限公司电力研究院 | Binary current lead structure in conduction cooling mode |
| CN103839649B (en) * | 2014-03-05 | 2016-08-31 | 云南电力试验研究院（集团）有限公司电力研究院 | A kind of binary current lead structure conducted under the type of cooling |
| CN106872733A (en) * | 2017-01-16 | 2017-06-20 | 中国科学院合肥物质科学研究院 | 2kA superconductive strand critical current test sample holders |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100390906C (en) | 2008-05-28 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 Termination date: 20140708 |
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| EXPY | Termination of patent right or utility model |