CN203310943U - Low-temperature superconducting strand performance test system - Google Patents
Low-temperature superconducting strand performance test system Download PDFInfo
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- CN203310943U CN203310943U CN2013203966950U CN201320396695U CN203310943U CN 203310943 U CN203310943 U CN 203310943U CN 2013203966950 U CN2013203966950 U CN 2013203966950U CN 201320396695 U CN201320396695 U CN 201320396695U CN 203310943 U CN203310943 U CN 203310943U
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Abstract
The utility model discloses a low-temperature superconducting strand performance test system including a low-temperature sealed container which is arranged inside a vacuum chamber, a GM refrigerating machine which is sealed with the low-temperature sealed container, a magnet coating a periphery of the low-temperature sealed container, a stress loading device which is arranged inside the vacuum chamber of the low-temperature sealed container and also above a secondary refrigeration head of the GM refrigerating machine, and a heat transfer component which is arranged between the stress loading device and the secondary refrigeration head of the GM refrigerating machine; and the test sample is placed on the stress loading device. The low-temperature superconducting strand performance test system of the utility model can overcome such defects in the prior art as the high energy consumption, complex structure and poor practicability, and accordingly has the advantages of the low energy consumption, simple structure and good practicability.
Description
Technical field
The utility model relates to the superconductor technical field of measurement and test, particularly, relates to a kind of low-temperature superconducting strand Performance Test System.
Background technology
Be accompanied by scientific and technical develop rapidly, superconductor is as a kind of new material, particularly low temperature superconducting material Nb3Sn, NbTi etc., be widely used in a plurality of fields such as nuclear fusion device, magnetic resonance imaging, nuclear magnetic resonance spectrometer and high energy particle physics accelerator.Because the superconductor such as Nb3Sn, NbTi in actual condition generally is in the highfield environment, temperature is low and continuous variation, expanded with heat and contract with cold simultaneously, in the complicated extreme working environment changed of many couplings such as Lorentz force and mechanical load, all these external environment condition coupling meetings cause superconductor superconducting characteristic (mainly referring to supercurrent) to occur significantly to degenerate, thereby bring safe operation hidden danger for its corresponding superconductive device.Therefore, only have by the experimental study near real working condition, just helping provides strong support for the functional and safety Design of superconductive device.
At present, external corresponding experiment is carried out for many years, yet its working environment is all to be in semienclosed cooled cryostat container, provides corresponding low temperature environment by the volatilization of liquid helium or liquid nitrogen, will certainly cause so a large amount of consumption of refrigerant, the waste of money.And China still do not have up to now a set of have independent intellectual property right for low temperature superconducting material near superconducting characteristic test macro under operating mode, this has become restriction and has hindered China at low temperature superconducting material, and the Main Bottleneck of the research such as high field magnet research.
As can be known according to existing literature survey, up to now, domesticly there is no a set of complete low-temperature superconducting strand Performance Test System with independent intellectual property right.Simultaneously, existing Superconducting Strand characteristic test device in the world, the costliness of its refrigerant (liquid helium), the complicacy of proving installation, make corresponding testing research be difficult to extensively be promoted.
In realizing process of the present utility model, the defects such as the inventor finds in prior art to exist at least that energy consumption is large, complex structure and poor practicability.
The utility model content
The purpose of this utility model is, for the problems referred to above, proposes a kind of low-temperature superconducting strand Performance Test System, with the advantage that realizes that energy consumption is low, simple for structure and practicality is good.
For achieving the above object, the technical solution adopted in the utility model is: a kind of low-temperature superconducting strand Performance Test System, comprise that inside has the low temperature seal container of vacuum chamber, GM refrigeration machine with described low temperature seal seal of vessel installation, be coated on the magnet of described low temperature seal container periphery, be located in the vacuum chamber of described low temperature seal internal tank and be positioned at the stress loading device of the two-stage system cold head top of described GM refrigeration machine, and being located at heat-transferring assembly between the two-stage system cold head of described stress loading device and GM refrigeration machine; Specimen is placed on the stress loading device.
Further, between described stress loading device and low temperature seal container, also be provided with protective shield of radiation.
Further, described stress loading device, comprise the sample fixed mount for placement and fixing test sample, near the screw rod of described sample fixed mount lower end and horizontally set; Be symmetrical set a pair of aluminium nitride and well heater in sample fixed mount lower end, be symmetrical set a pair of thermometer in sample fixed mount upper end, be symmetricly set on up and down a pair of strainmeter of sample fixed mount upper end;
Be arranged on the bridgeware that turns at described screw rod middle part; On described screw rod, turning to bridgeware one side to be distributed with the forward screw thread, turning to the bridgeware opposite side to be distributed with reverse thread.
Further, described sample fixed mount, comprise H shape support; Described screw rod passes two bottoms of H shape support, specimen is by two upper end fixed placement of H shape support, a pair of thermometer near two upper ends of H shape support, be arranged on specimen, a pair of strainmeter is positioned at H shape rack cross-bar middle part, and a pair of aluminium nitride and well heater are arranged on two bottoms of H shape support symmetrically.
Further, above-described low-temperature superconducting strand Performance Test System, also comprise for specimen being carried out to the external power source of current load, and be connected to the high-temperature superconductive lead wire between described external power source and specimen.
Further, above-described low-temperature superconducting strand Performance Test System, also comprise the outside acquisition system for the detecting information of collecting test sample, and be connected to the high-temperature superconductive lead wire between described outside acquisition system and specimen; Described detecting information, comprise superconducting conductor electric current, voltage and temperature under differently strained, different temperatures.
Further, between described low temperature seal container and GM refrigeration machine, seal installation by steel flange.
Further, be complementary with described steel flange, also be provided with a plurality of hex(agonal)screws.
Further, described low temperature seal container, have Stainless Steel Shell.
Further, described heat-transferring assembly, comprise many high-purity heat conduction copper cash.
The low-temperature superconducting strand Performance Test System of each embodiment of the utility model, owing to comprising that inside has the low temperature seal container of vacuum chamber, GM refrigeration machine with low temperature seal seal of vessel installation, be coated on the magnet of low temperature seal container periphery, be located in the vacuum chamber of low temperature seal internal tank and be positioned at the stress loading device of the two-stage system cold head top of GM refrigeration machine, and being located at heat-transferring assembly between the two-stage system cold head of stress loading device and GM refrigeration machine; Specimen is placed on the stress loading device; Can carry out comprehensive experiment test to the superconducting characteristics such as Nb3Sn, NbTi commonly used at present; Thereby can overcome that energy consumption in prior art is large, the defect of complex structure and poor practicability, with the advantage that realizes that energy consumption is low, simple for structure and practicality is good.
Other features and advantages of the utility model will be set forth in the following description, and, partly from instructions, becoming apparent, or understand by implementing the utility model.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
The accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms the part of instructions, is used from explanation the utility model with embodiment mono-of the present utility model, does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of low-temperature superconducting strand Performance Test System (being power-electricity-Re-magnetic coupling proving installation);
Fig. 2 is the structural representation of stress loading device.
By reference to the accompanying drawings, in the utility model embodiment, Reference numeral is as follows:
The 1-specimen; The 2-protective shield of radiation; 3-stress loading device; The high-purity heat conduction copper cash of 4-; The 5-vacuum chamber; The 6-hex(agonal)screw; The 7-steel flange; The 8-high-temperature superconductive lead wire; 9-GM cold-producing medium secondary cold head; The 10-stainless steel casing; The 11-magnet; The 12-thermometer; The 13-strainmeter; The 14-reverse thread; 15-forward screw thread; The 16-aluminium nitride; The 17-well heater.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for description and interpretation the utility model, and be not used in restriction the utility model.
In view of the defect existed in prior art, as depicted in figs. 1 and 2, provide a kind of low-temperature superconducting strand Performance Test System, be specially the low-temperature superconducting strand Performance Test System near actual condition.This low-temperature superconducting strand Performance Test System, simple in structure, economical and practical, can reach low-temperature superconducting strand characteristic test demand, can carry out comprehensive experiment test to the superconducting characteristics such as Nb3Sn, NbTi commonly used at present, have important current demand and scientific meaning.
Referring to Fig. 1 and Fig. 2, according to the utility model embodiment, the low-temperature superconducting strand Performance Test System of the present embodiment, comprise that inside has the low temperature seal container of vacuum chamber (as vacuum chamber 5), GM refrigeration machine with low temperature seal seal of vessel installation, be coated on the magnet (as magnet 11) of low temperature seal container periphery, be located in the vacuum chamber of low temperature seal internal tank, and be positioned at the stress loading device (as stress loading device 3) of two-stage system cold head (as the GM cold-producing medium secondary cold head 9) top of GM refrigeration machine, and be located at heat-transferring assembly between the two-stage system cold head of stress loading device and GM refrigeration machine, specimen (as specimen 1) is placed on the stress loading device, also comprise for specimen being carried out to the external power source of current load, and be connected to the high-temperature superconductive lead wire (as high-temperature superconductive lead wire 8) between external power source and specimen, also comprise the outside acquisition system for the detecting information of collecting test sample, and be connected to the high-temperature superconductive lead wire between outside acquisition system and specimen, between stress loading device and low temperature seal container, also be provided with protective shield of radiation (as protective shield of radiation 2).
Here, detecting information, comprise superconducting conductor electric current, voltage and temperature under differently strained, different temperatures.Between low temperature seal container and GM refrigeration machine, install by steel flange (as steel flange 7) sealing; With steel flange, be complementary, also be provided with a plurality of hex(agonal)screws (as hex(agonal)screw 6).The low temperature seal container, have Stainless Steel Shell (as stainless steel casing 10); Heat-transferring assembly, comprise many high-purity heat conduction copper cash (as high-purity heat conduction copper cash 4).
Wherein, above-mentioned stress loading device, comprise the sample fixed mount for placement and fixing test sample, near the screw rod of sample fixed mount lower end and horizontally set; Be symmetrical set a pair of aluminium nitride (as aluminium nitride 16) and well heater (as well heater 17) in sample fixed mount lower end, be symmetrical set a pair of thermometer (as thermometer 12) in sample fixed mount upper end, be symmetricly set on up and down a pair of strainmeter (as strainmeter 13) of sample fixed mount upper end; Be arranged on the bridgeware that turns at screw rod middle part; On screw rod, turning to bridgeware one side to be distributed with forward screw thread (as forward screw thread 15), turning to the bridgeware opposite side to be distributed with reverse thread (as reverse thread 14).The sample fixed mount, comprise H shape support; Screw rod passes two bottoms of H shape support, specimen is by two upper end fixed placement of H shape support, a pair of thermometer near two upper ends of H shape support, be arranged on specimen, a pair of strainmeter is positioned at H shape rack cross-bar middle part, and a pair of aluminium nitride and well heater are arranged on two bottoms of H shape support symmetrically.
The low-temperature superconducting strand Performance Test System of above-described embodiment, mainly comprise 1, GM refrigeration machine, 2, thermometer, 2 of strainmeters, 2 of well heaters, 1, stress loading device, 1, low temperature seal container, sample is some, aluminium nitride is some, 1 of power supply and outside acquisition system etc.
While using the low-temperature superconducting strand Performance Test System of above-described embodiment, at first GM refrigeration machine and this low-temperature superconducting strand Performance Test System are tightly connected by steel flange, then by the GM refrigeration machine, provide low temperature environment cooling sample; Under the environment of externally-applied magnetic field, rotary screw, drive sample fixed mount and sample, makes sample flexural deformation, realizes the stress loading to sample; By external power source, through high temperature superconductive wire, sample is carried out to current load, simultaneously by the external data acquisition system, gathers the information such as superconducting conductor electric current, voltage and temperature under differently strained, different temperatures, finally by analytical calculation, realize that its superconducting characteristic tests.
The low-temperature superconducting strand Performance Test System of above-described embodiment, adopt the stress loading device, and utilize the GM refrigeration machine to replace liquid nitrogen or liquid helium, as refrigerant, and cooling Superconducting Strand specimen.By this low-temperature superconducting strand Performance Test System, can be comparatively simple, economical realize the low-temperature superconducting strand characteristic test in limited magnetic field space, for its further engineering application lays the foundation.
Finally it should be noted that: the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although with reference to previous embodiment, the utility model is had been described in detail, for a person skilled in the art, it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, or part technical characterictic wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. low-temperature superconducting strand Performance Test System, it is characterized in that, comprise that inside has the low temperature seal container of vacuum chamber, GM refrigeration machine with described low temperature seal seal of vessel installation, be coated on the magnet of described low temperature seal container periphery, be located in the vacuum chamber of described low temperature seal internal tank and be positioned at the stress loading device of the two-stage system cold head top of described GM refrigeration machine, and being located at heat-transferring assembly between the two-stage system cold head of described stress loading device and GM refrigeration machine; Specimen is placed on the stress loading device.
2. low-temperature superconducting strand Performance Test System according to claim 1, is characterized in that, between described stress loading device and low temperature seal container, also is provided with protective shield of radiation.
3. low-temperature superconducting strand Performance Test System according to claim 1 and 2, is characterized in that, described stress loading device comprises the sample fixed mount for placement and fixing test sample, near the screw rod of described sample fixed mount lower end and horizontally set; Be symmetrical set a pair of aluminium nitride and well heater in sample fixed mount lower end, be symmetrical set a pair of thermometer in sample fixed mount upper end, be symmetricly set on up and down a pair of strainmeter of sample fixed mount upper end;
Be arranged on the bridgeware that turns at described screw rod middle part; On described screw rod, turning to bridgeware one side to be distributed with the forward screw thread, turning to the bridgeware opposite side to be distributed with reverse thread.
4. low-temperature superconducting strand Performance Test System according to claim 3, is characterized in that, described sample fixed mount comprises H shape support; Described screw rod passes two bottoms of H shape support, specimen is by two upper end fixed placement of H shape support, a pair of thermometer near two upper ends of H shape support, be arranged on specimen, a pair of strainmeter is positioned at H shape rack cross-bar middle part, and a pair of aluminium nitride and well heater are arranged on two bottoms of H shape support symmetrically.
5. low-temperature superconducting strand Performance Test System according to claim 1 and 2, is characterized in that, also comprises for specimen being carried out to the external power source of current load, and be connected to the high-temperature superconductive lead wire between described external power source and specimen.
6. low-temperature superconducting strand Performance Test System according to claim 1 and 2, it is characterized in that, also comprise the outside acquisition system for the detecting information of collecting test sample, and be connected to the high-temperature superconductive lead wire between described outside acquisition system and specimen; Described detecting information, comprise superconducting conductor electric current, voltage and temperature under differently strained, different temperatures.
7. low-temperature superconducting strand Performance Test System according to claim 1 and 2, is characterized in that, between described low temperature seal container and GM refrigeration machine, seals installation by steel flange.
8. low-temperature superconducting strand Performance Test System according to claim 7, is characterized in that, is complementary with described steel flange, also is provided with a plurality of hex(agonal)screws.
9. low-temperature superconducting strand Performance Test System according to claim 1 and 2, is characterized in that, described low temperature seal container, have Stainless Steel Shell.
10. low-temperature superconducting strand Performance Test System according to claim 1 and 2, is characterized in that, described heat-transferring assembly comprises many high-purity heat conduction copper cash.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203966950U CN203310943U (en) | 2013-07-04 | 2013-07-04 | Low-temperature superconducting strand performance test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203966950U CN203310943U (en) | 2013-07-04 | 2013-07-04 | Low-temperature superconducting strand performance test system |
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| CN203310943U true CN203310943U (en) | 2013-11-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336212B (en) * | 2013-07-04 | 2016-03-30 | 兰州大学 | A kind of low-temperature superconducting strand Performance Test System |
| CN105510746A (en) * | 2015-12-28 | 2016-04-20 | 云南电网有限责任公司电力科学研究院 | High-temperature superconducting strip performance test device and use method |
| CN110412441A (en) * | 2019-06-24 | 2019-11-05 | 深圳市森美协尔科技有限公司 | Vacuum high/low temperature semiconducter device testing probe station and semiconducter device testing method |
| CN114994448A (en) * | 2022-07-12 | 2022-09-02 | 核工业西南物理研究院 | Continuous testing device for bending performance of high-temperature superconducting strand |
-
2013
- 2013-07-04 CN CN2013203966950U patent/CN203310943U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336212B (en) * | 2013-07-04 | 2016-03-30 | 兰州大学 | A kind of low-temperature superconducting strand Performance Test System |
| CN105510746A (en) * | 2015-12-28 | 2016-04-20 | 云南电网有限责任公司电力科学研究院 | High-temperature superconducting strip performance test device and use method |
| CN105510746B (en) * | 2015-12-28 | 2018-07-31 | 云南电网有限责任公司电力科学研究院 | A kind of high-temperature superconductor band performance testing device and application method |
| CN110412441A (en) * | 2019-06-24 | 2019-11-05 | 深圳市森美协尔科技有限公司 | Vacuum high/low temperature semiconducter device testing probe station and semiconducter device testing method |
| CN114994448A (en) * | 2022-07-12 | 2022-09-02 | 核工业西南物理研究院 | Continuous testing device for bending performance of high-temperature superconducting strand |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20190704 |
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| CF01 | Termination of patent right due to non-payment of annual fee |