CN100485828C - A cooling arrangement for high temperature superconducting device - Google Patents
A cooling arrangement for high temperature superconducting device Download PDFInfo
- Publication number
- CN100485828C CN100485828C CNB2004100133480A CN200410013348A CN100485828C CN 100485828 C CN100485828 C CN 100485828C CN B2004100133480 A CNB2004100133480 A CN B2004100133480A CN 200410013348 A CN200410013348 A CN 200410013348A CN 100485828 C CN100485828 C CN 100485828C
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- temperature superconducting
- superconducting magnet
- refrigeration machine
- conduction cooling
- flexible
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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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
Abstract
Disclosed is a cooling apparatus of high temperature superconductive component, comprising fixed junction of refrigerator and refrigeration plate, whose combination is formed by overlap of high temperature superconductive components with the refrigeration plate between two high temperature superconductive component and flexible joint of 8 refrigerator end connecting to fixed junction, flexible joint superconductive end has flexible connection to the refrigerator end by flexible refrigeration band, refrigeration stick on the surrounding of high temperature superconductive component combination, refrigeration stick and refrigeration plate connected together, the upper and lower surface having upper and lower refrigeration plates separate on the combination of high temperature superconductive component. The invention has built effective channel for heat conduction, and used special flexible structure on the connection of flexible joint and superconductive component, especially for superconductive component with large mass like superconductive magnet, can solve the problem of rigidly connected mechanical strength between magnet and flexible joint , and eliminate doubleacting vibration in its operation.
Description
Technical field
The invention belongs to the high-temperature superconductor application, be specifically related to the cooling device of a kind of high-temperature superconductive device (magnet etc.).
Background technology
The high-temperature superconductor refrigeration machine directly cools off and has changed traditional type of cooling that mainly relies on convective heat transfer with cryogenic liquid (liquid helium, liquid nitrogen), changing into the direct thermal contact conductance of solid is main heat transfer type, so the interconnection technique of refrigeration machine and the superconductive device that is cooled becomes one of main key technology of high-temperature superconductor application.
This respect report is very few both at home and abroad at present, the Chinese invention patent prospectus of disclosed CN 1207825A disclosed a kind of high-temperature superconductor lead assemblies on February 10th, 1999, and this assembly is the leakage heat that reduces the sub-cooled magnet system with the high-temperature superconductor lead-in wire.Chinese utility model patent specification in the CN2458665Y of November 7 calendar year 2001 bulletin discloses a kind of radiating module, and this module is the outer gelled heat-transfer tube of the built-in high temperature superconducting materia pipe of a kind of pipe.Cooling is significant to these documents to superconducting device, but the main connectivity problem that refrigeration machine and superconductive device system are directly cooled off does not relate to.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, a kind of cooling device of high-temperature superconductive device is provided, this device solves the connectivity problem that directly cools off of refrigeration machine cold head and high-temperature superconductive device, its existing high heat transfer efficiency, and have and reduce and the function of isolated refrigeration machine vibration, simultaneously again can the big high-temperature superconductive device of load capacity, widened the directly application of cooling of high-temperature superconductor.
The cooling device of a kind of high-temperature superconductive device provided by the invention, comprise refrigeration machine cold head and cool guide sheet, it is characterized in that: refrigeration machine end flexible connection idol part links to each other with flange on the refrigeration machine cold head, superconduction end flexible connection idol part flexibly connects by flexible conduction cooling band and refrigeration machine end flexible connection idol part, cool guiding rod is connected with cool guide sheet, cool guide sheet is sandwiched between the high-temperature superconducting magnet winding, cool guiding rod places the periphery of high-temperature superconducting magnet combination, on, following conduction cooling end plate lay respectively at high-temperature superconducting magnet combination on, lower surface, wherein, the high-temperature superconducting magnet combination forms by the high-temperature superconducting magnet winding is stacked.
Along with the progress of high temperature superconducting materia, high-temperature superconductor will at first be broken through in electric power system and use.Use refrigeration machine cooling high-temperature superconducting device has the operation maintenance convenience, system configuration is compact, fail safe good, the efficient advantages of higher.Adopting the direct cooling super-conducting device of refrigeration machine is the direction and the key technology of high-temperature superconductor application development.The present invention has set up effective heat conduction approach, simultaneously at the refrigeration machine cold head with on superconductive device is connected, adopt special flexible structure, special in the bigger superconductive device of quality, or to vibration sensing as superconducting magnet, SQUID superconductor detector etc., can solve direct rigidly connected mechanical strength of above-mentioned high-temperature superconductive device and refrigeration machine cold head and minimizing or isolated because the problem of the double vibrations that refrigeration machine work produces.
Description of drawings
Fig. 1 is a principle schematic of the present invention;
Fig. 2 is a structural representation of the present invention.
Embodiment
Be example now with the cooling high-temperature superconducting magnet, accompanying drawings performance of the present invention.
Conduction cooling assembly of the present invention adopts refrigeration machine that magnet is cooled off, direct cooling mode carries out the main conduction cooling assembly that relies on of magnet cooling, so the main task of conduction cooling structure is to guarantee that magnet is cooled to design temperature effectively, fast, equably and keeps magnet to be operated in superconducting state at work.The cold that refrigeration machine produces cools off superconducting magnet by cold refrigeration machine end flexible connection idol part, flexible conduction cooling band, conduction cooling end plate, cool guiding rod, cool guide sheet, conduction cooling tube etc.; Wherein cool guide sheet evenly is arranged between the magnet winding, is evenly distributed in by cool guiding rod on the excircle of cool guide sheet magnet is conducted cooling.Fig. 1 has expressed the present invention and has been used for the heat conducting principle of the direct cooling structure of superconducting magnet.
Structure of the present invention as shown in Figure 2, this device comprises: refrigeration machine cold head 1, by some annular superconducting magnet winding 14 stacked superconducting magnets that constitute, the flexible connection of refrigeration machine end idol part 4, flexible conduction cooling band 5, superconduction end flexible connection idol part 6, upper and lower conduction cooling end plate 15 and 8, cool guiding rod 11, cool guide sheet 12, conduction cooling tube 10 and upper and lower fixed charge method end plate 16 and 7.Refrigeration machine end flexible connection idol part 4 is by 2 fastening being connected of flange on bolt 3 and the cold head, for the vibration of cold head when working that prevents refrigeration machine causes damage to magnet, superconduction end flexible connection idol part 6 adopts flexible conduction cooling bands 5 and refrigeration machine end flexible connection idol part 4 to be connected.Flexible conduction cooling band 5 is the well behaved metallic braid of conduction cooling, sheet metal or metal bellows etc.Be provided with cool guide sheet 12 between per two windings of high-temperature superconducting magnet combination.Conduction cooling tube 10 is arranged in the centre bore of superconducting magnet winding 14, and the circumferential perimeter of superconducting magnet winding 14 is provided with cool guiding rod 11, adopts welding or engage thread to be fastenedly connected between cool guiding rod 11 and the cool guide sheet 12.
Upper and lower upper and lower conduction cooling end plate 15 and 8 of being respectively equipped with of superconducting magnet combination, they can be voluntarily as tightening up flange, also can add upper and lower fixed charge method end plate 16 and 7 more respectively in the outside of last conduction cooling end plate 15 and following conduction cooling end plate 8 according to magnet size and fastening needs.Upper and lower conduction cooling end plate 15,8, cool guide sheet 12 and upper and lower fixed charge method end plate 16 and 7 are connected by bolt 13 and tighten up.Conduction cooling tube 10 is connected with following conduction cooling end plate 8 by bolt 9.
The combination of flexible connection idol part can connect with welding or screw compression bonding method, to be welded as example, on the end face of flexible connection idol part both sides, process essential groove or hole, flexible braid over braid two is placed in one respectively, then constitutes flexible even part combination by welding then.
Because dip-coating has the insulating material of conduction cooling poor-performing on magnet, for the even cooling that guarantees magnet internal diameter circumference place has the conduction cooling tube that magnet internal diameter circumference place is effectively cooled off in the design of magnet inner radius.For the situation that is difficult to arrange on not too high high-temperature superconducting magnet of refrigeration requirement of strength or the structure, conduction cooling tube 10 can be installed.
After magnet winding, cool guide sheet, conduction cooling tube, the assembling of two ends end plate, use liquid such as epoxy resin, the sealing of insulating varnish dipping, by welding or screw method cool guide sheet closely is connected with cool guiding rod at last.
All component materials of conduction cooling assembly such as refrigeration machine cold head 1, cool guiding rod, cool guide sheet, flexible conduction cooling band and upper and lower fixed charge method end plate all adopt highly heat-conductive materials such as fine copper or oxygen-free copper.
Be example with the high-temperature superconducting magnet above, the structure of apparatus of the present invention be described, this structure be equally applicable to high-temperature superconductive transformer,, flow restricter and current feed and high-temperature superconductor detector element etc. with refrigeration machine directly the superconductive device of cooling use.
Claims (4)
1, a kind of cooling device of high-temperature superconductive device, comprise refrigeration machine cold head and cool guide sheet, it is characterized in that: refrigeration machine end flexible connection idol part (4) links to each other with flange (2) on the refrigeration machine cold head (1), superconduction end flexible connection idol part (6) flexibly connects by flexible conduction cooling band (5) and refrigeration machine end flexible connection idol part (4), and cool guiding rod (11) is connected with cool guide sheet (12); Cool guide sheet (12) is sandwiched between the high-temperature superconducting magnet winding (14), cool guiding rod (11) places the periphery of high-temperature superconducting magnet combination, upper and lower conduction cooling end plate (15,8) lays respectively at the upper and lower surface of high-temperature superconducting magnet combination, wherein, the high-temperature superconducting magnet combination is by stacked the forming of high-temperature superconducting magnet winding (14).
2, the described cooling device of claim 1 is characterized in that: go up the upper surface of conduction cooling end plate (15) and the lower surface of following conduction cooling end plate (8) and be respectively equipped with upper and lower fixed charge method end plate (16,7).
3, claim 1 or 2 described cooling devices is characterized in that: described flexible conduction cooling band (5) is metallic braid, sheet metal or metal bellows.
4. cooling device according to claim 1 and 2 is characterized in that: in the centre bore of high-temperature superconducting magnet winding (14), be provided with conduction cooling tube (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100133480A CN100485828C (en) | 2004-06-23 | 2004-06-23 | A cooling arrangement for high temperature superconducting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100133480A CN100485828C (en) | 2004-06-23 | 2004-06-23 | A cooling arrangement for high temperature superconducting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1595675A CN1595675A (en) | 2005-03-16 |
| CN100485828C true CN100485828C (en) | 2009-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100133480A Expired - Fee Related CN100485828C (en) | 2004-06-23 | 2004-06-23 | A cooling arrangement for high temperature superconducting device |
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| Country | Link |
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| CN (1) | CN100485828C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175982B (en) * | 2011-01-31 | 2013-04-17 | 汕头市超声仪器研究所有限公司 | Superconducting quantum interference device (SQUID) cooling device of handheld ultra low field magnetic resonance imaging (MRI) |
| CN102789865B (en) * | 2012-07-19 | 2014-07-16 | 中国科学院电工研究所 | Conduction-cooled structure of superconducting magnet |
| CN102930946B (en) * | 2012-09-27 | 2014-12-24 | 湖北省电力公司电力科学研究院 | Conduction cooling device for high-temperature superconducting magnet |
| CN106298152A (en) * | 2015-05-11 | 2017-01-04 | 通用电气公司 | Superconducting magnet cooling system |
| CN106558392B (en) * | 2016-12-07 | 2018-05-29 | 上海空间电源研究所 | Superconducting magnet refrigerating mechanism |
| CN107393676B (en) * | 2017-03-24 | 2019-02-22 | 北京航空航天大学 | A kind of superconductor cooling structure for super-conductive magnetic suspension measuring micro-thrust system |
| CN109148679A (en) * | 2018-08-23 | 2019-01-04 | 北京无线电计量测试研究所 | A kind of quantum superconduction chip is thermally connected part and production method |
| CN109712774A (en) * | 2018-11-20 | 2019-05-03 | 浙江大学 | A kind of superconducting magnet method for rapid cooling and its system |
| CN112837883B (en) * | 2020-12-31 | 2022-10-18 | 江西联创光电超导应用有限公司 | Superconducting magnet system |
| CN113593768B (en) * | 2021-08-05 | 2022-11-01 | 中国科学院近代物理研究所 | Superconducting cavity solid conduction cooling structure |
-
2004
- 2004-06-23 CN CNB2004100133480A patent/CN100485828C/en not_active Expired - Fee Related
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| CN1595675A (en) | 2005-03-16 |
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Granted publication date: 20090506 |