CN2582004Y - High-temp superconductor strip crimping critical current measurer - Google Patents
High-temp superconductor strip crimping critical current measurer Download PDFInfo
- Publication number
- CN2582004Y CN2582004Y CN02282203U CN02282203U CN2582004Y CN 2582004 Y CN2582004 Y CN 2582004Y CN 02282203 U CN02282203 U CN 02282203U CN 02282203 U CN02282203 U CN 02282203U CN 2582004 Y CN2582004 Y CN 2582004Y
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- contact
- critical current
- slide block
- contact head
- support plates
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Abstract
The utility model relates to a high-temp superconductor strip crimping critical current measurer, which is provided with two supporting plates. The lower part of the two supporting plates is transversely connected with a fixed bar, the upper part of the two supporting plates is transversely connected with two slide bars, and a slide block is connected with the upper part of the two slide bars in a penetration mode. Screw threads connected with a contact bar longitudinally penetrate into the middle part of the slide block, and a spring is arranged in the contact bar. The lower end of the spring is provided with a contact head, the upper section of the contact head is thick, and the lower section of the contact head is thin and sticks out the lower end of the contact bar. A binding post is connected with the side surface of the slide block, and the binding post is connected with the contact head by leads The lower end of the contact head is welded with flexible indium material. The inner lower part of the two support plates is provided with a pipe pore, and the upper part of the outer side of the pipe pore is provided with a regulating press plate. Two longitudinal slotted holes are arranged in the press plate, and a screw bolt which is connected with the supporting plate is connected with the inner part of the slotted holes in a penetration mode. The utility model has the advantages of simple structure and easy use, and the thermometric property and efficiency can be improved. The utility model reduces the loss of the strip, and can also measure more information.
Description
Technical field
The utility model relates to a kind of superconductor high-temperature strip crimping critical current measuring device.
Background technology
At present, high technetium (Tc) material critical current capability is important, an obligato engineering objective of practical superconductor, and its test is just seemed especially important.Be the critical current of measuring long band with the method for welding in the past, the band of solder joint part can not continue to use, so solder joint can only be placed on the two ends of band, measures whole critical current, can't learn the homogeneity of band and defective etc. for information about.
For the measurement of short sample, if adopt the method for traditional welding, can't carry out repeated experiments to same sample, adopt the elargol welding, though can repeated experiments, in the measuring process, the measuring-signal instability, measuring period is long, and mounting process is complexity.Prepare to measure end from sample, need more than 6 hours.
Summary of the invention
The purpose of this utility model provides a kind of simple in structure, easy to use, superconductor high-temperature strip crimping critical current measuring device of improve measuring character and efficient.
For achieving the above object, the utility model is taked following design proposal:
A kind of superconductor high-temperature strip crimping critical current measuring device, it is characterized in that: be provided with two support plates, lower, transverse at two support plates is connected with fixed bar, upper lateral at two support plates is connected with two slide bars, cross-under has slide block on two slide bars, vertically passes the feeler lever that has been threaded at the middle part of slide block, is provided with spring in feeler lever, be provided with the thin contact of the thick hypomere of epimere in the lower end of this spring, the hypomere of this contact stretches out the lower end of feeler lever.
On the side of described slide block, be connected with binding post, between binding post and contact, be connected with lead-in wire.
Described lower end at contact is welded with the phosphide material of soft flexibility.
The bottom is provided with pore in described two support plates, is provided with the adjusting pressing plate in the outer upper of pore, and this pressing plate is provided with two slotted eyes longitudinally, and cross-under has the bolt that is connected with support plate in slotted eye.
During use, adopt the mode of crimping, the quartz ampoule that twines superconducting tape is arranged in the pore of support plate, make band be positioned at the bottom of contact.
Adopt the crimping metering system, not only can reduce the waste of contact portions band, and can realize areal survey, find out own interested part and study.Help improving the homogeneity of band and reduce defective.If adopt the crimping metering system, measuring a sample only needs half a minute, has improved the work efficiency of measuring greatly.So in order to improve homogeneity and the superconductivity that bismuth (Bi) is long band, in order to carry out bismuth (Bi) series superconducting material basic research work in a deep going way, improve the superconduction testing efficiency, adopting crimping superconduction metering system is a kind of effective mode.
The utility model has the advantages that: simple in structure, easy to use, can improve and measure character and efficient; This measurement mechanism is applied in the middle of the actual measurement of Bi system long band critical current, had both reduced the loss of band, can measure more information (as homogeneity, local defect etc.) again, the performance that improves band is had very important reference role.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is Fig. 1 schematic top plan view
Fig. 3 looks synoptic diagram for Fig. 1 left side
Fig. 4 is that Figure 1A-A is to cross-sectional schematic
Embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, shown in Figure 4: a kind of superconductor high-temperature strip crimping critical current measuring device, it is provided with two support plates 1, lower, transverse at two support plates 1 is connected with fixed bar 11, upper lateral at two support plates 1 is connected with two slide bars 6, cross-under has slide block 2 on two slide bars 6, the feeler lever 7 that has been threaded is vertically passed at middle part at slide block 2, in feeler lever 7, be provided with spring 18, be provided with the thin contact 8 of the thick hypomere of epimere in the lower end of this spring 18, the hypomere of this contact 8 stretches out the lower end of feeler lever 7.
On the side of described slide block 2, be connected with binding post 3, between binding post 3 and contact 8, be connected with lead-in wire 10.
Described lower end at contact 8 is welded with the phosphide material 9 of soft flexibility.
The bottom is provided with pore 16 in described two support plates 1, is provided with in the outer upper of pore 16 and regulates pressing plate 12, and this pressing plate 12 is provided with two slotted eyes 13 longitudinally, and cross-under has the bolt 15 that is connected with support plate 1 in slotted eye 13.
During use, adopt the mode of crimping:
(1), with superconducting tape 14 wound in parallel on quartz ampoule 13, then quartz ampoule 13 is fixed on the support plate 1 of measurement mechanism, with four contacts, 8 crimping superconducting tape surfaces, replace traditional four lead welding method;
(2), two electric current contacts in the outside are compressed the band 14 that is wrapped on the quartz ampoule 13, electric current is transferred on the superconducting tape through two electric current contacts;
(3), two current potential contacts with the inboard are pressed on two superconducting tapes between the electric current contact transmission performance of measurement band.
The quartz ampoule 13 that twines superconducting tape 14 is arranged in the pore 15 of support plate 1, compresses quartz ampoule 13 downwards with pressing plate 12, with bolt 14 that pressing plate 12 is fixing with support plate 1 then, make band 14 be positioned at the bottom of contact 8.In four contacts, two contacts in the outside are positioned on the band at two ends, are used for to the band energising, and two inboard contacts are positioned on the band that needs to detect, and rotate the upper end 4 of feeler lever 7 by hand, make lower end holddown belt material 14 under the effect of spring 17 of contact 7.According to measurement requirement, slide block 2 can horizontally slip on slide bar 6.
Key problem in technology of the present utility model be realize the contact in perpendicular translation up and down and do not rotate, can arbitrarily move in strip surface; The contact has certain flexibility, and guaranteeing has enough big contact area in liquid nitrogen temperature and strip surface, reduces contact resistance; And the damage of sample dropped to minimum; The size that is added in the power on the band should be able to show on macroscopic view.
Compression bonding apparatus is demarcated, compression bonding method is tested, to guarantee with the accuracy of crimping measuring method and the infringement lower to properties of sample.
This measurement mechanism is applied in the middle of the actual measurement of Bi system long band critical current.Both reduced the loss of band, can measure more information (as homogeneity, local defect etc.) again, the performance that improves band had been had very important reference role.
Claims (4)
1, a kind of superconductor high-temperature strip crimping critical current measuring device, it is characterized in that: be provided with two support plates (1), lower, transverse at two support plates (1) is connected with fixed bar (11), upper lateral at two support plates (1) is connected with two slide bars (6), go up cross-under at two slide bars (6) slide block (2) is arranged, vertically pass the feeler lever that has been threaded (7) at the middle part of slide block (2), in feeler lever (7), be provided with spring (18), be provided with the thin contact (8) of the thick hypomere of epimere in the lower end of this spring (18), the hypomere of this contact (8) stretches out the lower end of feeler lever (7).
2, superconductor high-temperature strip crimping critical current measuring device according to claim 1 is characterized in that: be connected with binding post (3) on the side of described slide block (2), be connected with lead-in wire (10) between binding post (3) and contact (8).
3, superconductor high-temperature strip crimping critical current measuring device according to claim 1 is characterized in that: described lower end at contact (8) is welded with the phosphide material (9) of soft flexibility.
4, superconductor high-temperature strip crimping critical current measuring device according to claim 1, it is characterized in that: the interior bottom of described two support plates (1) is provided with pore (16), outer upper at pore (16) is provided with adjusting pressing plate (12), this pressing plate (12) is provided with two slotted eyes (13) longitudinally, and cross-under has the bolt (15) that is connected with support plate (1) in slotted eye (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02282203U CN2582004Y (en) | 2002-10-15 | 2002-10-15 | High-temp superconductor strip crimping critical current measurer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02282203U CN2582004Y (en) | 2002-10-15 | 2002-10-15 | High-temp superconductor strip crimping critical current measurer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2582004Y true CN2582004Y (en) | 2003-10-22 |
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ID=33744340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02282203U Expired - Lifetime CN2582004Y (en) | 2002-10-15 | 2002-10-15 | High-temp superconductor strip crimping critical current measurer |
Country Status (1)
| Country | Link |
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| CN (1) | CN2582004Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207330A (en) * | 2013-03-12 | 2013-07-17 | 中国科学院电工研究所 | High temperature superconductor long belt critical current testing device |
| CN103901254A (en) * | 2014-04-19 | 2014-07-02 | 中国船舶重工集团公司第七一二研究所 | Critical current testing device for high-temperature superconductive wire |
| CN104198800A (en) * | 2014-09-17 | 2014-12-10 | 富通集团（天津）超导技术应用有限公司 | Critical-current testing device for high-temperature superconductor strips |
| CN108181352A (en) * | 2018-03-12 | 2018-06-19 | 重庆工程职业技术学院 | A kind of superconductor current testing device |
-
2002
- 2002-10-15 CN CN02282203U patent/CN2582004Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207330A (en) * | 2013-03-12 | 2013-07-17 | 中国科学院电工研究所 | High temperature superconductor long belt critical current testing device |
| CN103901254A (en) * | 2014-04-19 | 2014-07-02 | 中国船舶重工集团公司第七一二研究所 | Critical current testing device for high-temperature superconductive wire |
| CN103901254B (en) * | 2014-04-19 | 2016-08-24 | 中国船舶重工集团公司第七一二研究所 | A kind of hts tape critical current test device |
| CN104198800A (en) * | 2014-09-17 | 2014-12-10 | 富通集团（天津）超导技术应用有限公司 | Critical-current testing device for high-temperature superconductor strips |
| CN108181352A (en) * | 2018-03-12 | 2018-06-19 | 重庆工程职业技术学院 | A kind of superconductor current testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20060308 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |