CN202256022U - Multipoint test system for magnetic field and heat distribution on superconductor dynamic surface - Google Patents
Multipoint test system for magnetic field and heat distribution on superconductor dynamic surface Download PDFInfo
- Publication number
- CN202256022U CN202256022U CN2011203652437U CN201120365243U CN202256022U CN 202256022 U CN202256022 U CN 202256022U CN 2011203652437 U CN2011203652437 U CN 2011203652437U CN 201120365243 U CN201120365243 U CN 201120365243U CN 202256022 U CN202256022 U CN 202256022U
- Authority
- CN
- China
- Prior art keywords
- superconductor
- recessed
- type skeleton
- magnetic field
- heat distribution
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Measuring Magnetic Variables (AREA)
Abstract
The utility model discloses a multipoint test system for a magnetic field and heat distribution on the superconductor dynamic surface, which comprises a support composed of a horizontally arranged copper support plate and a vertically arranged copper support rod. A vibration exciter, an aluminum tray and a superconductor test device are sequentially arranged on the copper support plate from bottom to top. An aluminum beam with adjustable height, a permanent magnet hung on the aluminum beam and a permanent magnet fixing bolt used for fixing the permanent magnet on the aluminum beam are horizontally arranged on the copper support rod. The multipoint test system for the magnetic field and the heat distribution on the superconductor dynamic surface can overcome the shortcomings of poor transformation measurement sensor adaptability, poor measurement data effectiveness, poor measurement accuracy, low detection accuracy and the like to achieve the advantages of good transformation measurement sensor adaptability, good measurement data effectiveness, good measurement accuracy and high detection accuracy.
Description
Technical field
The utility model relates to superconductor performance test technology, particularly, relates to the multi-point sampler system of a kind of superconductor dynamic surface magnetic field and heat distribution.
Background technology
Superconducting phenomenon is not strange to us, and the landmark each time breakthrough in superconductor field all can attract almost all people's sight, all because its unique physical property and tempting application prospect.In fact, Superconductor Physics and material scholar respectively with regard to Superconductor Physics mechanism, how to improve the superconduction critical parameters and seek new superconductor etc. and be close to a century for it separately.The low temperature superconducting material of development and application be accompanied by to(for) the research of superconductor and structural mechanics problem are opened, and the superconductor operate as normal needs utmost point low temperature environment (low-temperature superconducting 4.2K, liquid helium cooler environment; High-temperature superconductor-77K, cooled with liquid nitrogen environment), mechanical characteristic such as Young modulus, the thermal conductivity of superconductor under this low temperature environment, fracture toughnesses etc. and for the dependence rule in temperature, magnetic field are the basic mechanical problems of superconductor and structural mechanics.
At present; Domestic superconducting experiment mainly concentrates on the suspending power measurement aspect of high-temperature superconductor suspension system; (domesticly almost do not carry out in that the experiment aspect the superconductor malformation test is also very limited in the world; Become keeping in check of the domestic ITER of development correlative study), its main difficulty be the pick-up unit in the finite space under the low temperature environment install with utmost point low temperature and strong magnetic field circumstance under deformation measurement sensor adaptability; And almost also do not have the good test experience ways and means of precision in superconductor quench magnetic heat distribution rule and effective context of detection.
In realizing the process of the utility model, the inventor finds, exist at least in the prior art deformation measurement sensor bad adaptability, measurement data validity poor, measure defectives such as poor accuracy and accuracy of detection are low.
The utility model content
The purpose of the utility model is; To the problems referred to above; The multi-point sampler system of a kind of superconductor dynamic surface magnetic field and heat distribution is proposed, to realize that deformation measurement sensor adaptability is good, measurement data validity is good, to measure accuracy good and the high advantage of accuracy of detection.
For realizing above-mentioned purpose, the technical scheme that the utility model adopts is: the multi-point sampler system of a kind of superconductor dynamic surface magnetic field and heat distribution comprises the support of being made up of horizontally disposed copper back up pad and the copper support bar that vertically is provided with; On said copper back up pad, bottom-up vibrator, aluminum pallet and the superconductor proving installation of being provided with successively; On said copper support bar, be horizontally disposed with adjustable for height aluminium beam, be suspended on the permanent magnet on the said aluminium beam, and be used for said permanent magnet is fixed on the permanent magnet set bolt on the aluminium beam.
Further, said superconductor proving installation comprises polystyrene foam container and the vibration-testing sensor that is arranged on the aluminum pallet; Inside at said polystyrene foam container is loaded with liquid nitrogen, in liquid nitrogen, is placed with high-temperature superconductor and is equipped with said high-temperature superconductor and is used for the superconductor gripper that the low-temperature test assembly is connected with the superconductor seamless surface; Add at the top of polystyrene foam container and to be stamped the epoxy resin cover plate.
Further; Said superconductor gripper is fixedly pasted the bottom at the polystyrene foam container with low temperature glue; Comprise upward " recessed " type skeleton and following " recessed " type skeleton that are symmetrical set up and down and have recessed cavity, and be arranged on the said low-temperature test assembly of going up between " recessed " type skeleton and following " recessed " type skeleton.
Further, said " recessed " type skeleton and " recessed " type skeleton down gone up is and is used to make the partly exposed grid structure with the adjustment position of superconductor.
Further; Said " recessed " type skeleton of going up is oppositely arranged with the recess of " recessed " type skeleton down and has an internal thread, and said low-temperature test assembly comprises copper pipe, be encapsulated in low temperature hall probe and temperature sensor in the said copper pipe, be placed on down the superconductor in the internal cavities of " recessed " type skeleton and be attached to the lip-deep low temperature foil gauge of said superconductor; Match with the internal thread of said last " recessed " type skeleton and following " recessed " type skeleton, be provided with external thread in the periphery of said copper pipe.
Further, said low temperature hall probe comprises the probe bearing, and a plurality of probe points that are provided with according to the number of test point; Corresponding with each probe point, be provided with the probe wire surplus and the lead fastener that stretch out copper pipe; Corresponding probe wire surplus is connected on the top board of " recessed " type skeleton away from recess through corresponding lead fastener.
Further, said superconductor is the superconduction piece of right cylinder or positive hexa-prism.
The superconductor dynamic surface magnetic field of each embodiment of the utility model and the multi-point sampler system of heat distribution are owing to comprise the support of being made up of horizontally disposed copper back up pad and the copper support bar that vertically is provided with; On copper back up pad, bottom-up vibrator, aluminum pallet and the superconductor proving installation of being provided with successively; On copper support bar, be horizontally disposed with adjustable for height aluminium beam, be suspended on the permanent magnet on the aluminium beam, and be used for said permanent magnet is fixed on the permanent magnet set bolt on the aluminium beam; Can measure the experiment test platform of the mechanical deformation of superconductor under dynamic case, Distribution of Magnetic Field, heat conduction rule etc., solve the basic key issue of the experimental measurement method of characterisitic parameter such as superconductor electromagnetism and mechanics under extreme environment; Can disclose the dependence rule of its physical characteristics parameter of superconductor through the means of experiment, for the application of superconductor provides effective and reliable master data to utmost point low temperature and magnetic field environment; Thereby can overcome deformation measurement sensor bad adaptability in the prior art, measurement data validity poor, measure poor accuracy and the low defective of accuracy of detection, with realize that deformation measurement sensor adaptability is good, measurement data validity is good, measurement accuracy good and the high advantage of accuracy of detection.
Further feature of the utility model and advantage will be set forth in instructions subsequently, and, partly from instructions, become obvious, perhaps understand through implementing the utility model.The purpose of the utility model can realize through the structure that in the instructions of being write, claims and accompanying drawing, is particularly pointed out and obtain with other advantages.
Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.
Description of drawings
Accompanying drawing is used to provide the further understanding to the utility model, and constitutes the part of instructions, is used to explain the utility model with the embodiment of the utility model, does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the structural representation according to the multi-point sampler system of the utility model superconductor dynamic surface magnetic field and heat distribution;
Fig. 2 is the assembly structure synoptic diagram according to cryogenic probe, superconductor and anchor clamps in the multi-point sampler system of the utility model superconductor dynamic surface magnetic field and heat distribution;
Fig. 2 a is the structural representation of vertical view of cryogenic probe and probe bearing among Fig. 2;
Fig. 2 b and Fig. 2 c are the cross sectional representation of superconductor among Fig. 2.
In conjunction with accompanying drawing, Reference numeral is following among the utility model embodiment:
The copper support bar of 1-; 2-aluminium beam; The 3-permanent magnet; 4-permanent magnet set bolt; 5-epoxy resin cover plate; 6-polystyrene foam container; The 7-liquid nitrogen; 8-superconductor gripper; The 9-high-temperature superconductor; 10-vibration-testing sensor; 11-aluminum pallet; The 12-vibrator; 13-lead fastener; 14-probe wire surplus; The 15-internal thread; The 16-external thread; 17-low temperature Hall (hall) probe and temperature sensor; 18-superconduction piece; 19-low temperature foil gauge.
Embodiment
Describe below in conjunction with the preferred embodiment of accompanying drawing, should be appreciated that preferred embodiment described herein only is used for explanation and explains the utility model, and be not used in qualification the utility model the utility model.
According to the utility model embodiment, the multi-point sampler system of a kind of superconductor dynamic surface magnetic field and heat distribution is provided.Shown in Fig. 1-Fig. 2 c, present embodiment comprises the support of being made up of horizontally disposed copper back up pad and the copper support bar 1 that vertically is provided with; On copper back up pad, bottom-up vibrator 12, the aluminum pallet 11 and superconductor proving installation of being provided with successively; On copper support bar 1, be horizontally disposed with adjustable for height aluminium beam 2, be suspended on the permanent magnet 3 on the aluminium beam 2, and be used for permanent magnet 3 is fixed on the permanent magnet set bolt 4 on the aluminium beam 2.
In the above-described embodiments, the superconductor proving installation comprises the polystyrene foam container 6 and vibration-testing sensor 10 that is arranged on the aluminum pallet 11; Be loaded with liquid nitrogen 7 (77K) in the inside of polystyrene foam container 6, in liquid nitrogen 7, be placed with high-temperature superconductor 9 and be equipped with high-temperature superconductor 9 and be used for the superconductor gripper 8 that the low-temperature test assembly is connected with the superconductor seamless surface; Add at the top of polystyrene foam container 6 and to be stamped epoxy resin cover plate 5.
In the above-described embodiments; Superconductor gripper 8 usefulness low temperature glue are fixedly pasted the bottom at polystyrene foam container 6; Comprise upward " recessed " type skeleton and following " recessed " type skeleton that are symmetrical set up and down and have recessed cavity, and be arranged on the low-temperature test assembly between " recessed " type skeleton and following " recessed " type skeleton.Wherein, go up " recessed " type skeleton and " recessed " type skeleton down, be and be used to make the partly exposed grid structure of superconductor with the adjustment position.Here, the material that goes up " recessed " type skeleton and following " recessed " type skeleton can adopt aluminium or copper.
In the above-described embodiments; Going up " recessed " type skeleton is oppositely arranged with the recess of " recessed " type skeleton down and has an internal thread 15; The low-temperature test assembly comprises copper pipe (directly for 2mm), be encapsulated in low temperature Hall (hall) probe (Applicable temperature 77K-400K is of a size of diameter 2mm) and temperature sensor (precision 0.1K) in the copper pipe, be placed on down the superconductor in the internal cavities of " recessed " type skeleton and be attached to the lip-deep low temperature foil gauge 19 of superconductor; Match with the internal thread 15 of last " recessed " type skeleton and following " recessed " type skeleton, be provided with external thread 16 in the periphery of copper pipe.Here, superconductor is the superconduction piece 18 of right cylinder or positive hexa-prism.
In the above-described embodiments, the low temperature hall probe comprises the probe bearing, and a plurality of probe points that are provided with according to the number of test point; Corresponding with each probe point, be provided with the probe wire surplus 14 and lead fastener 13 of stretching out copper pipe, and on the top board of last " recessed " type skeleton, be provided with chuck away from recess; Corresponding probe wire surplus 14 is connected to the chuck place of " recessed " type skeleton through corresponding lead fastener 13, and the material of chuck is aluminium or copper.
During concrete operations; In the superconductor gripper 8 that superconductor is positioned over; Low temperature hall probe and temperature sensor 17 (temperature sensor places one with low temperature hall probe) with some measuring magnetic field intensity; Be attached to the bottom of polystyrene foam container 6 with the low temperature gluing with superconductor gripper 8 is whole then, be fixed together with polystyrene foam container 6; The polystyrene foam container 6 that will test is fixed on the aluminum pallet 11 of vibrator 12, and on aluminum pallet 11, places the Dynamic Signal of vibration-testing sensor 10; After fixing polystyrene foam container 6 and vibrator 12; Liquid nitrogen 7 is poured in the polystyrene foam container 6; And cover the opening of polystyrene foam container 6 with epoxy resin cover plate 5, on aluminium beam 2, lay permanent magnet 3, with permanent magnet set bolt 4 fixed permanent magnets 3; Experimental requirement simultaneously can increase or reduce the height of aluminium beam 2, thereby reaches experimental requirements and purpose.
Must be noted that there is different characteristic when static in superconductor when dynamic, i.e. magnetic heat distribution rule has very big difference, and the magnetic heat on superconductor surface has different character, measures for difference, and this just seems particularly important.Simultaneously; Domestic at present, foreign technology; Its structure of the superconductor of being produced all is smaller, and its diameter is about 30mm, highly is about right cylinder or six prisms of 20mm, for this reason; The size of superconductor gripper 8 of the foregoing description and the low temperature hall probe that adopts is very little all; And superconductor gripper 8 can realize the stationkeeping of the vibration-testing sensor 10 of maximum 25 points according to the size of institute's test sample article, can comparatively comprehensively test superconductor superconductor surface magnetic, heat distribution rule under dynamic case and carry out multi-point sampler.
For the mechanics deform in same pace of superconductor, be employed in the superconductor cylinder and paste low temperature foil gauge 19 (Applicable temperature 4-400K), the mechanical deformation characteristic of test superconductor, thereby the synchronism detection of realization mechanical deformation and magnetic, hot characteristic quantity.
Wherein, contact with low temperature hall probe and the seamless of temperature sensor 17 in order to make the superconductor surface, the foregoing description has designed superconductor gripper 8; Wherein fixedly the skeleton of superconductor is a reticulate texture, only need play the fixedly effect of superconductor and the seamless link of probe bearing, and its position inside skeleton of convenient adjustment.The probe bearing adopts alumina based material, and its diameter is 2mm, and structure is a honeycomb; Can low temperature hall probe and temperature sensor 17 be inserted in the hole, contact with the superconductor cross section is seamless, again through last " recessed " type skeleton; Fix low temperature hall probe and temperature sensor 17 lead in addition, in order to avoid in vibration, produce swing, and influence experiment test; And let lead can not receive tension force, lead is produced destroy; Thereby whole superconductor gripper 8 can make low temperature hall probe and the temperature sensor 17 of superconductor and test in one, guarantees the accuracy and the precision of dynamic experimental test.
The superconductor dynamic surface magnetic field of the foregoing description and the multi-point sampler system of heat distribution; Be initiative; Help setting up a cover reliable, accurately, the experiment test platform of the mechanical deformation of the high measurement superconductor of automaticity under dynamic case, Distribution of Magnetic Field, heat conduction rule etc.; Solution is under extreme environment; The basic key issue of the experimental measurement method of characterisitic parameters such as superconductor electromagnetism and mechanics can disclose the dependence rule of its physical characteristics parameter of superconductor to utmost point low temperature and magnetic field environment through the means of experiment; For the application of superconductor provides effectively, master data reliably, for further development and application is laid a good foundation; The multi-point sampler system of this superconductor dynamic surface magnetic field and heat distribution is applicable under the extreme environment, superconductor under dynamic case, the experiment measuring system of characterisitic parameters such as electromagnetism and mechanics; Can realize not applying the association test between superconductor magnetic field, temperature field and the stress field under the impressed current situation, fill up effective detection of superconduction quench magnetic heat distribution rule.
In sum, the superconductor dynamic surface magnetic field of each embodiment of the utility model and the multi-point sampler system of heat distribution are owing to comprise the support of being made up of horizontally disposed copper back up pad and the copper support bar that vertically is provided with; On copper back up pad, bottom-up vibrator, aluminum pallet and the superconductor proving installation of being provided with successively; On copper support bar, be horizontally disposed with adjustable for height aluminium beam, be suspended on the permanent magnet on the aluminium beam, and be used for said permanent magnet is fixed on the permanent magnet set bolt on the aluminium beam; Can measure the experiment test platform of the mechanical deformation of superconductor under dynamic case, Distribution of Magnetic Field, heat conduction rule etc., solve the basic key issue of the experimental measurement method of characterisitic parameter such as superconductor electromagnetism and mechanics under extreme environment; Can disclose the dependence rule of its physical characteristics parameter of superconductor through the means of experiment, for the application of superconductor provides effective and reliable master data to utmost point low temperature and magnetic field environment; Thereby can overcome deformation measurement sensor bad adaptability in the prior art, measurement data validity poor, measure poor accuracy and the low defective of accuracy of detection, with realize that deformation measurement sensor adaptability is good, measurement data validity is good, measurement accuracy good and the high advantage of accuracy of detection.
What should explain at last is: the above is merely the preferred embodiment of the utility model; Be not limited to the utility model; Although the utility model has been carried out detailed explanation with reference to previous embodiment; For a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (7)
1. the multi-point sampler system of superconductor dynamic surface magnetic field and heat distribution is characterized in that, comprises the support of being made up of horizontally disposed copper back up pad and the copper support bar that vertically is provided with; On said copper back up pad, bottom-up vibrator, aluminum pallet and the superconductor proving installation of being provided with successively; On said copper support bar, be horizontally disposed with adjustable for height aluminium beam, be suspended on the permanent magnet on the said aluminium beam, and be used for said permanent magnet is fixed on the permanent magnet set bolt on the aluminium beam.
2. the multi-point sampler system of superconductor dynamic surface magnetic field according to claim 1 and heat distribution is characterized in that, said superconductor proving installation comprises polystyrene foam container and the vibration-testing sensor that is arranged on the aluminum pallet; Inside at said polystyrene foam container is loaded with liquid nitrogen, in liquid nitrogen, is placed with high-temperature superconductor and is equipped with said high-temperature superconductor and is used for the superconductor gripper that the low-temperature test assembly is connected with the superconductor seamless surface; Add at the top of polystyrene foam container and to be stamped the epoxy resin cover plate.
3. the multi-point sampler system of superconductor dynamic surface magnetic field according to claim 2 and heat distribution; It is characterized in that; Said superconductor gripper is fixedly pasted the bottom at the polystyrene foam container with low temperature glue; Comprise upward " recessed " type skeleton and following " recessed " type skeleton that are symmetrical set up and down and have recessed cavity, and be arranged on the said low-temperature test assembly of going up between " recessed " type skeleton and following " recessed " type skeleton.
4. the multi-point sampler system of superconductor dynamic surface magnetic field according to claim 3 and heat distribution is characterized in that, said " recessed " type skeleton and " recessed " type skeleton down gone up is and is used to make the partly exposed grid structure with the adjustment position of superconductor.
5. the multi-point sampler system of superconductor dynamic surface magnetic field according to claim 4 and heat distribution; It is characterized in that; Said " recessed " type skeleton of going up is oppositely arranged with the recess of " recessed " type skeleton down and has an internal thread, and said low-temperature test assembly comprises copper pipe, be encapsulated in low temperature hall probe and temperature sensor in the said copper pipe, be placed on down the superconductor in the internal cavities of " recessed " type skeleton and be attached to the lip-deep low temperature foil gauge of said superconductor; Match with the internal thread of said last " recessed " type skeleton and following " recessed " type skeleton, be provided with external thread in the periphery of said copper pipe.
6. the multi-point sampler system of superconductor dynamic surface magnetic field according to claim 5 and heat distribution is characterized in that, said low temperature hall probe comprises the probe bearing, and a plurality of probe points that are provided with according to the number of test point; Corresponding with each probe point, be provided with the probe wire surplus and the lead fastener that stretch out copper pipe; Corresponding probe wire surplus is connected on the top board of " recessed " type skeleton away from recess through corresponding lead fastener.
7. the multi-point sampler system of superconductor dynamic surface magnetic field according to claim 5 and heat distribution is characterized in that, said superconductor is the superconduction piece of right cylinder or positive hexa-prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203652437U CN202256022U (en) | 2011-09-28 | 2011-09-28 | Multipoint test system for magnetic field and heat distribution on superconductor dynamic surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203652437U CN202256022U (en) | 2011-09-28 | 2011-09-28 | Multipoint test system for magnetic field and heat distribution on superconductor dynamic surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202256022U true CN202256022U (en) | 2012-05-30 |
Family
ID=46117246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203652437U Expired - Fee Related CN202256022U (en) | 2011-09-28 | 2011-09-28 | Multipoint test system for magnetic field and heat distribution on superconductor dynamic surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202256022U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359905A (en) * | 2011-09-28 | 2012-02-22 | 兰州大学 | Multi-point testing system for dynamic surface magnetic field and thermal distribution of superconductor |
| CN106813985A (en) * | 2015-11-27 | 2017-06-09 | 日本碍子株式会社 | Isostatic pressed breakdown strength testing machine and isostatic pressed breakdown strength test method |
| CN109507561A (en) * | 2018-11-19 | 2019-03-22 | 福建师范大学 | A kind of characteristic of semiconductor stably measured system based on variable magnetic field and free electrode |
| CN109855971A (en) * | 2018-12-21 | 2019-06-07 | 中国船舶重工集团公司第七一0研究所 | The measurement method that buoyant material buoyancy loses under a kind of simulated deep-sea environment |
-
2011
- 2011-09-28 CN CN2011203652437U patent/CN202256022U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359905A (en) * | 2011-09-28 | 2012-02-22 | 兰州大学 | Multi-point testing system for dynamic surface magnetic field and thermal distribution of superconductor |
| CN102359905B (en) * | 2011-09-28 | 2014-06-18 | 兰州大学 | Multi-point testing system for dynamic surface magnetic field and thermal distribution of superconductor |
| CN106813985A (en) * | 2015-11-27 | 2017-06-09 | 日本碍子株式会社 | Isostatic pressed breakdown strength testing machine and isostatic pressed breakdown strength test method |
| CN109507561A (en) * | 2018-11-19 | 2019-03-22 | 福建师范大学 | A kind of characteristic of semiconductor stably measured system based on variable magnetic field and free electrode |
| CN109507561B (en) * | 2018-11-19 | 2020-08-18 | 福建师范大学 | Semiconductor characteristic stability measuring system based on variable magnetic field and free electrode |
| CN109855971A (en) * | 2018-12-21 | 2019-06-07 | 中国船舶重工集团公司第七一0研究所 | The measurement method that buoyant material buoyancy loses under a kind of simulated deep-sea environment |
| CN109855971B (en) * | 2018-12-21 | 2022-03-22 | 中国船舶重工集团公司第七一0研究所 | Measurement method for simulating buoyancy loss of buoyancy material in deep sea environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102359905B (en) | Multi-point testing system for dynamic surface magnetic field and thermal distribution of superconductor | |
| CN202256022U (en) | Multipoint test system for magnetic field and heat distribution on superconductor dynamic surface | |
| CN101865982B (en) | Device and method for measuring ambipolar magnetic moment of spatial magnet | |
| CN110657907B (en) | High-bearing low-loss inertia type superconducting magnetic suspension micro force measuring device | |
| CN104036677B (en) | A kind of high-temperature superconductor reversal of the natural order of things magentic suspension demonstrating experiment teaching aid | |
| CN106018062A (en) | Apparatus for testing mechanical properties of superconducting material in multiple environmental fields | |
| CN206339578U (en) | A kind of shock-proof electronic electric meter | |
| Burdyny et al. | AMR thermodynamics: Semi-analytic modeling | |
| CN104034746B (en) | Low-temperature and ultralow-temperature thermal deformation transient type test device and method for concrete | |
| Ma et al. | Levitation height drifts of HTS bulks under a long-term external disturbance | |
| CN103440801A (en) | Experimental instrument capable of demonstrating superconductive magnetic levitation phenomenon and testing magnetic levitation force | |
| JP5039478B2 (en) | Wind tunnel model non-contact support method and apparatus | |
| CN108877424B (en) | Composite pendulum for demonstrating chaos phenomenon by using high-temperature superconducting principle and manufacturing method thereof | |
| Wei et al. | Magnetic float liquid level detection method for high-temperature superconducting flux-pinning maglev system | |
| CN203720018U (en) | Clamp for testing room temperature compression stress and strain curve of porous material | |
| CN209673235U (en) | A kind of moveable vacuum superhigh temperature temperature measuring equipment | |
| CN209513862U (en) | Screw Special wiring head | |
| Sun et al. | No-load analysis of permanent magnet spring nonlinear resonant generator for human motion energy harvesting | |
| Zheng et al. | Theory and experiment research for ultra-low frequency maglev vibration sensor | |
| CN101783223B (en) | Device for generating magnetic field and method for externally applying magnetic field to low temperature probe station | |
| CN109917266A (en) | A kind of method, device and equipment of test insulation bipolar transistor tube chip | |
| Zou et al. | Performance Analysis of a New Adjustable Superconducting Magnet Suspension System | |
| CN210834152U (en) | Experimental device for integrated measurement spring oscillator cycle and spring stiffness coefficient | |
| CN108507939A (en) | A kind of real-time measurement apparatus and its measurement method of the variation of temperature and humidity control cement-based material length | |
| CN203687988U (en) | Vibration and temperature combination test device capable of realizing extensible vibration table |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20150928 |
|
| EXPY | Termination of patent right or utility model |