CN207352143U - A kind of magnetic-force test device of high-temperature superconducting magnetic levitation - Google Patents
A kind of magnetic-force test device of high-temperature superconducting magnetic levitation Download PDFInfo
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- CN207352143U CN207352143U CN201721479866.0U CN201721479866U CN207352143U CN 207352143 U CN207352143 U CN 207352143U CN 201721479866 U CN201721479866 U CN 201721479866U CN 207352143 U CN207352143 U CN 207352143U
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Abstract
The utility model discloses a kind of magnetic force test device of high-temperature superconducting magnetic levitation, belong to measurement of magnetic field technical field.Magnetic force test device includes：The first magnetic field data of the sampled point of superconduction block material sample is obtained, sampled point includes at least：The seed face center of superconduction block material, seeded growth border at least one, seeded growth region and corresponding non-seed face sampled point at least one；Obtain the first electromagnetism force data of superconduction block material sample；According to the first magnetic field data and the first electromagnetism force data, the electromagnetic property of Analysis of Superconducting bulk sample.The utility model magnetic force test device is by measuring the magnetic field data of specific sampled point, change with time the capture field that superconduction block material can preferably be detected, the size of capture magnetic field on superconduction block material locus can also be observed, so as to enrich the experiment test device of high-temperature superconducting magnetic levitation fundamental characteristics.
Description
Technical field
Measurement of magnetic field technical field is the utility model is related to, is surveyed more particularly to a kind of magnetic-power of high-temperature superconducting magnetic levitation
Trial assembly is put.
Background technology
With the progress and development of science and technology, the advantages that high-temperature superconducting magnetic levitation is due to its self-stabilization, low energy consumption, in magnetic
The fields such as suspension bearing, flywheel energy storage, track traffic are with a wide range of applications.Among these, the electromagnetism and mechanics of superconductor
It is characterized in the key factor for influencing magnetic suspension application development, therefore, only understands fully superconducting structure magnetic distribution and its develop and advise
Rule, mechanical behavior and its interrelated, could deeply understand its performance, ensure that superconducting apparatus works with security and stability.
But the existing fundamental characteristics test device for high-temperature superconducting magnetic levitation pays close attention to static or quasi-static bar
Macromechanics behavior under part, it is ensured that it has enough lifting capacities, and ensures its safety and steady with sufficient guiding force
Ground passes through curve.Gained result of study cannot embody some localized micro phenomenons of superconductor.It is therefore desirable to survey habitually in the past
The suspended macrosopic power of examination combines, and inquires into magnetic-force characteristic when superconduction block material interacts with tracks of permanent magnetism.The utility model
The research device proposed will provide a kind of new Research Thinking for the work of the optimizing detection of super-conductive magnetic suspension.
Utility model content
The utility model provides a kind of magnetic-force test device of high-temperature superconducting magnetic levitation, it is intended to enriches existing high temperature
Super-conductive magnetic suspension experiment test device.In order to which some aspects of the embodiment to disclosure have a basic understanding, it is given below
Simple summary.The summarized section is not extensive overview, nor to determine key/critical component or describe these realities
Apply the protection domain of example.Its sole purpose is that some concepts are presented with simple form, in this, as following detailed description
Preamble.
Technical solution is used by the utility model solves above-mentioned technical problem：
The first aspect according to the present utility model, additionally provides a kind of magnetic-force test device of high-temperature superconducting magnetic levitation,
Magnetic-force test device includes：First sensor, the first magnetic field data of the sampled point for obtaining superconduction block material sample, sampling
Point includes at least：The seed face center of superconduction block material, seeded growth border at least one, seeded growth region and right at least one
The non-seed face sampled point answered；Second sensor, for obtaining the first electromagnetism force data of superconduction block material sample；Analytical equipment,
For according to the first magnetic field data and the first electromagnetism force data, the electromagnetic property of Analysis of Superconducting bulk sample.
Further, magnetic-force test device further includes driving device, the first tape deck and the second tape deck, wherein,
Driving device is used to control to carry out back and forth movement between superconduction block material sample cold position on the scene and operating position；First sensor is used
In the magnetic field for obtaining sampled point in real time；When tape deck is used to record translational speed and movement that superconduction block material sample is run back and forth
Between；Analytical equipment includes the first analysis sub-device, and the first analysis sub-device is used to be run back and forth according to magnetic field, superconduction block material sample
Translational speed and run duration, determine the first incidence relation of magnetic field and displacement；Second sensor is used to obtain superconduction block material
Stress of the sample in round-trip operational process；Second tape deck is used for the displacement for recording superconduction block material sample；Analytical equipment
Including the second analysis sub-device, the second analysis sub-device is used for the displacement according to stress and superconduction block material sample, determines electromagnetism
Power and the second incidence relation of displacement..
Further, magnetic-force test device further includes low-temperature (low temperature) vessel, for obtaining the sampled point of superconduction block material sample
Before magnetic field and electromagnetic force, superconduction block material sample is cooled down, until superconduction block material sample reaches setting cooling temperature；Magnetic-
Force test device is additionally operable to determine magnetic induction intensity of the superconduction block material sample under the conditions of cooling temperature is set.
Further, magnetic-force test device further includes multi-channel data acquisition board, is used for：Obtain the output electricity of sampled point
Press signal；And the output voltage signal of sampled point is handled, obtain the magnetic induction intensity of superconduction block material sample.
Further, device further includes：3rd sensor, is used for：Obtain in test guiding force test process or vibrated
Second magnetic field data of the sampled point in journey；4th sensor, for obtaining in guiding force test process or vibration processes
Second electromagnetism force data of sampled point；Analytical equipment is additionally operable to super according to the second magnetic field data and the second electromagnetism force data, analysis
The electromagnetic property of guide block material sample.
The utility model is using beneficial effect possessed by above-mentioned technical proposal：
The utility model magnetic-force test device can be detected preferably by measuring the magnetic field data of specific sampled point
The capture field of superconduction block material is changed with time, can also on observation space capture magnetic field size, and combined with electromagnetic force
Get up, overall merit is carried out to suspension characteristic, enriches existing experimental provision.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not
The utility model can be limited.
Brief description of the drawings
Attached drawing herein is merged in specification and forms the part of this specification, shows and meets the utility model
Embodiment, and be used to together with specification to explain the principle of the utility model.
Fig. 1 is the flow chart one of the utility model magnetic-force test method according to shown by an exemplary embodiment；
Fig. 2 is the flowchart 2 of the utility model magnetic-force test method according to shown by an exemplary embodiment；
Fig. 3 is the sampled point schematic diagram of the utility model superconduction block material sample according to shown by an exemplary embodiment；
Fig. 4 is the structure diagram of the utility model magnetic-force test device according to shown by an exemplary embodiment.
Wherein, 1, sensor；2nd, electromagnetism force test device；3rd, multi-channel data acquisition board；4th, constant-current supply；5th, display dress
Put；301st, seed face；302nd, centre of surface；303rd, seeded growth border；304th, seeded growth region；305th, non-seed face.
Embodiment
The following description and drawings fully show the specific embodiment of the utility model, so that those skilled in the art
Them can be put into practice.Other embodiments can include structure, logic, it is electric, process and other change.It is real
Apply example and only represent possible change.Unless explicitly requested, otherwise single components and functionality is optional, and the order operated
It can change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.
The scope of the embodiment of the utility model includes the gamut of claims, and all of claims obtain
Equivalent.Herein, each embodiment can individually or generally be represented that this is only with term " utility model "
For convenience, and if in fact disclosing the utility model more than one, it is not meant to automatically limit the scope of the application
Conceive for any single utility model or utility model.Herein, relational terms such as first and second and the like are only used
In distinguishing one entity or operation from another entity or operation, without requiring or implying these entities or operation
Between there are any actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that process, method or equipment including a series of elements not only include those key elements, and
And further include other elements that are not explicitly listed, or further include for this process, method or equipment it is intrinsic will
Element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that wanted including described
Also there are other identical element in the process of element, method or equipment.Each embodiment herein is retouched by the way of progressive
State, what each embodiment stressed is the difference with other embodiment, identical similar portion between each embodiment
Mutually referring to.For method, product etc. disclosed in embodiment, due to its with embodiment disclosed in method part it is opposite
Should, so description is fairly simple, reference may be made to the description of the method.
Fig. 1 is the flow chart one of the utility model magnetic-force test method according to shown by an exemplary embodiment.
As shown in Figure 1, the utility model provides a kind of magnetic-force test method of high-temperature superconducting magnetic levitation, available for pair
Superconductor carries out the dependence test of the data such as magnetic field and electromagnetic force；Specifically, magnetic-force test method includes：
S101, obtain superconduction block material sample sampled point the first magnetic field data；
In embodiment, sampled point includes at least：The seed face center of superconduction block material, seeded growth border at least one,
Seeded growth region and corresponding non-seed face sampled point at least one.
The advantages of above-mentioned sampled point of the utility model test method selection detection superconduction block material, is：High-temperature superconductor at present
Bulk uses top seed crystal melting texture method substantially when preparing, and there are 5 lifes for the high-temperature superconducting block prepared by this method
Long region (English full name：Growth Sector Region, English abbreviation：GSR), exist between two adjacent growth districts
One growth border (English full name：Growth Sector Boundary, English rewards and punishments GSB).The maximum difference of GSR and GSB
It is that the Y211 phases particle at GSB will be more than GSR, by observing the microstructure of high-temperature superconductor it can be found that this feature makes
Obtain the flux pinning properties at GSB and be better than GSR, is i.e. the performance of seed face is better than non-seed face, and macro manifestations go out superconducting block
The anisotropy of material GSR capture magnetic field biggers, this species diversity i.e. high-temperature superconducting block.
Therefore, the utility model, can be with real-time monitored superconduction block material by placement sensor at the crucial sampling location of institute
Capture field is changed with time, can also on observation space capture magnetic field size, so as to verify anisotropy.
In the present embodiment, the utility model is provided with the first sub- sensor, for detecting the centre of surface of superconduction block material
Magnetic field；At least one second sub- sensor, every one second sub- sensor are used for the magnetic field for detecting seed face at corresponding one；Extremely
A few 3rd sub- sensor, every one the 3rd sub- sensor are used for the magnetic field for detecting seeded growth border at corresponding one；At least
One the 4th sub- sensor, every one the 4th sub- sensor are used for the magnetic field for detecting seeded growth region at corresponding one；At least one
A 5th sub- sensor, every one the 5th sub- sensor are used for the magnetic field for detecting non-seed face at corresponding one.
Alternatively, in another embodiment, the utility model is provided with a sensor, which can be used for detecting superconducting block
The centre of surface of material, seed face at least one, seeded growth border at least one, seeded growth region, at least one at least one
Locate magnetic field and the electromagnetic force of one or several sampled points in non-seed face.
In embodiment, magnetic-field measurement data transfer is to the relation that after computer, can obtain magnetic field and time, further
, the first incidence relation of magnetic field and displacement according to the translational speed of superconduction block material, can be converted into.
S102, the first electromagnetism force data for obtaining superconduction block material sample；
During actual test, in superconduction block material sample moving process, constantly surveyed by vertical or horizontal force snesor
Go out the stress data of superconduction block material, and send the stress data to computer, and combine the displacement data recorded in computer,
The second incidence relation of electromagnetic force and displacement is calculated.
S103, according to the first magnetic field data and the first electromagnetism force data, the electromagnetic property of Analysis of Superconducting bulk sample.
First incidence relation of magnetic field and displacement can be identified with curve form, and the second relation of electromagnetic force and displacement also may be used
To be represented with curve；In this way, two relation curves combine, can qualitatively Analysis of Superconducting bulk sample electromagnetic property；In addition
Can also be by more different sample points, the relation curve difference of magnetic field and displacement, it can be found that superconduction block material current density
Anisotropy；And by observing change procedure of the magnetic field with displacement (time), the again diamagnetism embodied and magnetization characteristic.
In the present embodiment, the cold position in field and operating position are preset with superconduction block material sample, wherein, the cold position in field is to instigate superconducting block
Reach the position below transition temperature into sample；Operating position then refers to superconduction block material and the nearest position of tracks of permanent magnetism relative position
Put, when in working position position, superconduction block material GSR capture magnetic field biggers, the data of acquired magnetic field and electromagnetic force are also more
It is accurate to add.
Therefore, the utility model test method is in the test process of superconduction block material sample, preferably, control superconduction block material
Back and forth movement is carried out between sample cold position on the scene and operating position, to obtain the real-time magnetic field of sampled point and electromagnetic force.
Back and forth movement be test high-temperature superconducting magnetic levitation fundamental characteristics base regime field, cold position regard experiment condition and
It is fixed, various working can be set, obtain magnetic field and electromagnetic force in motion process in real time.
For example, driven by motor between superconduction block material sample cold position on the scene and operating position, since sensor is attached to
On superconduction block material sample, thus sensor also by superconduction block material drive and synchronizing moving, in this manner it is possible to measure back and forth movement
During related data.
In the embodiment of the utility model, the first magnetic field of the sampled point of superconduction block material sample and the first electromagnetism are being obtained
Before power, superconduction block material sample is also placed in low-temperature (low temperature) vessel and is cooled down by the utility model test method, until superconduction block material
Sample reaches setting cooling temperature, may thereby determine that magnetic induction of the superconduction block material sample under the conditions of cooling temperature is set is strong
Degree.
For example, in the embodiment of a test, low-temperature (low temperature) vessel is liquid nitrogen container, and liquid nitrogen container has been internally formed accommodating
Chamber, superconduction block material sample is placed in the accommodating cavity by the utility model, and liquid nitrogen is injected into accommodating cavity, with to superconduction block material sample
Product are cooled down；When the liquid nitrogen surface of injection is in stable state, then it can be considered and had reached setting cooling temperature, i.e.
In the present embodiment set cooling temperature as liquid nitrogen stablize when temperature.
In the present embodiment, when superconduction block material sample reaches setting cooling temperature, it is possible to start to detect superconduction block material
Magnetic induction intensity of the sample under the conditions of cooling temperature is set；Specifically, the sensor sensing for being arranged at each sampled point corresponds to
The magnetic field of position and electromagnetic force, and exported in the form of voltage signal；The utility model is received by multi-channel data acquisition board
And the voltage signal that multiple sensors are exported is handled, obtain the magnetic induction intensity under liquid nitrogen temperature.
Specifically, the output voltage of sensor can be calculated according to equation below：
Wherein, VHFor output voltage, RHIt is a constant for sensor coefficient, IcFor driving current, B is measurement magnetic field, and d is
The thickness of sensor chip, therefore, output voltage VHWith driving current IcIt is proportional with magnetic field B, as driving current IcIt is constant, output
Voltage VHJust determined by magnetic field B, accordingly, it is possible to determine superconduction block material sample according to the voltage signal of sensor reality output
Magnetic field.
In one embodiment, the utility model magnetic-force test method can in guiding force test process is tested, acquisition
Second magnetic field of sampled point and the second electromagnetic force, and superconduction block material sample can be determined according to the second magnetic field and the second electromagnetic force
The second bulk Surface field.
For example, in guiding force test process, superconduction block material sample is after the cold position cooling in setting field, vertical direction movement
To the operating position of setting, relaxation 300s allows superconductor internal current density etc. to reach stable；After relaxation, it is laterally to
Setting position returns origin, then returns to origin along after being reversely laterally to setting position, can test suffered electricity during this
Magnetic force (guiding force) and sampled point magnetic field.
Alternatively, in another embodiment, the utility model magnetic-force test method can also obtain during vibration-testing
The second magnetic field data and the second electromagnetism force data of sampled point are taken, and can be according to the second magnetic field data and the second electromagnetic force number
According to analysis determines the electromagnetic property of superconduction block material sample.
For example, in another embodiment of the utility model, the testing procedure of vibration processes is as follows：Superconduction block material sample is relaxing
After the 300s of Henan, suffered electromagnetic force (guiding force) and sampled point magnetic field during operating position forced vibration, test vibration.Here
In fact can with the magnetic field during 4 kinds of operating modes of real-time testing and electromagnetic force, including：A. vertical direction is round-trip；B. relaxation；C. it is horizontal
Direction is round-trip；D. vertical or lateral vibration.
Fig. 2 is the flowchart 2 of the utility model magnetic-force test method according to shown by an exemplary embodiment, is being schemed
In application scenarios shown in 2, the utility model is as follows to the specific test process of superconduction material block sample：
S201, the sampled point that multiple sensors are respectively arranged to superconduction block material sample to be tested；
Fig. 3 is the sampled point schematic diagram of the superconduction plate sample in an embodiment, and in the present embodiment, sampled point at least wraps
Include：The centre of surface 302 of superconduction block material, seed face 301 at least one, seeded growth border 303 at least one, seed at least one
Crystals growth region 304, non-seed face 305 at least one.Therefore, the quantity of the sensor of setting is according to the quantity of specific sampled point
Determine, as superconduction block material sample is equipped with 4 sampled points, then 4 sensors 1 of setting altogether, each sensor 1 detects at one respectively to be adopted
The associated magnetic field and magnetic-power of sampling point.
In embodiment, the type of sensor includes Hall sensor.
S202, be placed in low-temperature (low temperature) vessel by superconduction block material sample and cooled down；
In embodiment, the low-temperature (low temperature) vessel for the cooling of superconduction block material sample is liquid nitrogen container, in this way, by holding to liquid nitrogen
Injection liquid nitrogen in device, you can using the low-temperature quick-freezing characteristic of liquid nitrogen, cooled down to superconduction block material sample；
S203, judge whether superconduction block material sample reaches setting cooling temperature, if it is, step S204 is performed, if
It is no, then perform step S202；
In the present embodiment, set cooling temperature as the nitrogen face of liquid nitrogen be in stable state when temperature, i.e., in liquid nitrogen
When nitrogen face is stablized, superconduction block material sample is consistent with liquid nitrogen temperature, and heat exchange does not occur, at this time, superconduction block material sample
Temperature is -196 DEG C under normal pressure state；
Specifically, during the test, it can be whether there is by observing the nitrogen face for the liquid nitrogen being injected into liquid nitrogen container
Fluctuation, to determine whether reaching setting cooling temperature；If nitrogen face still suffers from fluctuation, illustrate not up to stable state, i.e., it is super
Guide block material sample also not up to sets cooling temperature；If nitrogen face is small there is no fluctuating or fluctuating, illustrate to have reached steady
Determine state, i.e. superconduction block material sample has reached setting cooling temperature.Further, liquid nitrogen container is filled into liquid nitrogen and stabilization
Afterwards, at least 15min can be kept again, it is ensured that superconductor is completely into superconducting state.
S204, the output voltage signal for obtaining sampled point；
In the present embodiment, the multi-channel data acquisition board of the utility model and multiple sensor electricity for being arranged at sampled point
Connection, in this way, multi-channel data acquisition board can receive the voltage signal that multiple sensors are exported；
S205, the output voltage signal to sampled point are handled, and obtain the magnetic induction intensity of superconduction block material sample；
Back and forth movement is carried out between S206, control cold position on the scene and operating position；
S207, real-time first magnetic field data and the first electromagnetism force data for obtaining sampled point；
In the present embodiment, the first magnetic field data of acquisition is the magnetic field of the sampled point, in this way, according to magnetic field, superconduction
The translational speed and run duration that bulk sample is run back and forth, it may be determined that the first incidence relation of magnetic field and displacement；
In the present embodiment, the second electromagnetism force data of acquisition is superconduction block material sample in the round-trip operational process
Stress, in this way, according to stress and the displacement of superconduction block material sample, it may be determined that electromagnetic force and the second incidence relation of displacement.
S208, according to the first magnetic field data and the first electromagnetism force data, the electromagnetic property of Analysis of Superconducting bulk sample.
S209, flow terminate.
The utility model additionally provides a kind of magnetic-force test device of high-temperature superconducting magnetic levitation, magnetic-force test device bag
Include：
First sensor, the first magnetic field data of the sampled point for obtaining superconduction block material sample, sampled point include at least：
The seed face center of superconduction block material, seeded growth border at least one, seeded growth region and corresponding non-seed crystal at least one
Surface sample point；
Second sensor, for obtaining the first electromagnetism force data of superconduction block material sample；
Analytical equipment, for according to the first magnetic field data and the first electromagnetism force data, the electromagnetism of Analysis of Superconducting bulk sample
Characteristic.
In the present embodiment, magnetic-force test device further includes driving device, the first tape deck and the second tape deck,
Wherein,
Driving device is used to control to carry out back and forth movement between superconduction block material sample cold position on the scene and operating position；
First sensor is used for the magnetic field for obtaining sampled point in real time；
Tape deck is used to record translational speed and run duration that superconduction block material sample is run back and forth；
Analytical equipment includes the first analysis sub-device, and the first analysis sub-device is used for past according to magnetic field, superconduction block material sample
The translational speed and run duration of operation are returned, determines the first incidence relation of magnetic field and displacement；
Second sensor is used to obtain stress of the superconduction block material sample in round-trip operational process；
Second tape deck is used for the displacement for recording superconduction block material sample；
Analytical equipment includes the second analysis sub-device, and the second analysis sub-device is used for according to stress and superconduction block material sample
Displacement, determines the second incidence relation of electromagnetic force and displacement.
In the present embodiment, magnetic-force test device further includes low-temperature (low temperature) vessel, for obtaining the sampling of superconduction block material sample
Before the magnetic field of point and electromagnetic force, superconduction block material sample is cooled down, until superconduction block material sample reaches setting cooling temperature；
In the present embodiment, magnetic-force test device is additionally operable to determine superconduction block material sample under the conditions of cooling temperature is set
Magnetic induction intensity.
In the present embodiment, magnetic-force test device further includes multi-channel data acquisition board, is used for：
Obtain the output voltage signal of sampled point；And
The output voltage signal of sampled point is handled, obtains the magnetic induction intensity of superconduction block material sample.
In the present embodiment, magnetic-force test device further includes：
3rd sensor, is used for：Obtain the second magnetic of the sampled point in test guiding force test process or vibration processes
Field data；
4th sensor, for obtaining the second electromagnetic force number of the sampled point in guiding force test process or vibration processes
According to；
Analytical equipment is additionally operable to according to the second magnetic field data and the second electromagnetism force data, the electromagnetism of Analysis of Superconducting bulk sample
Characteristic.
Fig. 4 is the structure diagram of the utility model magnetic-force test device according to shown by an exemplary embodiment.
As shown in figure 4, the utility model additionally provides magnetic-force test device of another high-temperature superconducting magnetic levitation, magnetic-power
Test device includes：
Sensor 1, the first of the sampled point of the acquisition superconduction block material sample of the sampled point for obtaining superconduction block material sample
Magnetic field data and the first electromagnetism force data, sampled point include at least：The centre of surface of superconduction block material, seed face at least one, extremely
Seeded growth border at few one, seeded growth region at least one, non-seed face at least one；
Electromagnetism force test device 2, for according to the first magnetic field data and the first electromagnetism force data, Analysis of Superconducting bulk sample
Electromagnetic property.
In embodiment, the size of sensor 1 is smaller, and superconduction block material surface is directly adhered to using low temperature glue, and
In test process relevant static and dynamic experimental test is carried out with being placed in liquid nitrogen container with superconduction block material sample.
Preferably, since sensor 1 can also be placed in temperature compared with the liquid nitrogen container at bottom during the test, it is
Influence of the low temperature environment to the measurement accuracy of sensor 1 is avoided, the utility model needs before testing to carry out sensor 1 low
Temperature calibration.
In one embodiment, magnetic-force test device further includes driving device, for controlling cold position and operating position on the scene
Between carry out back and forth movement；Sensor 1 is used for the magnetic field for obtaining sampled point in real time and superconduction block material sample in round-trip operational process
In stress.
Electromagnetism force test device 2, can record translational speed and run duration that superconduction block material sample runs back and forth and
The displacement of superconduction block material sample；And the translational speed and run duration that can be run back and forth according to magnetic field, superconduction block material sample,
Determine the first incidence relation of magnetic field and displacement；And according to stress and the displacement of superconduction block material sample, determine electromagnetic force with
Second incidence relation of displacement.
In one embodiment, magnetic-force test device further includes low-temperature (low temperature) vessel, for obtaining the sampling of superconduction block material sample
Before first magnetic field of point and the first electromagnetic force, superconduction block material sample is cooled down, until superconduction block material sample reaches setting
Cooling temperature；Electromagnetism force test device 2 is additionally operable to determine that magnetic induction of the superconduction block material sample under the conditions of cooling temperature is set is strong
Degree.
In one embodiment, magnetic-force test device further includes multi-channel data acquisition board 3, the multi-channel data acquisition board 3
Can straight cutting in PCI slot in computer, form measurement of magnetic field module indispensability collection and processing system；Specifically, multichannel
Data collecting card 3 is used for：Obtain the output voltage signal of sampled point；And the output voltage signal of sampled point is handled,
Obtain the magnetic induction intensity of superconduction block material sample.
In the present embodiment, multi-channel data acquisition board 3 connects the output terminal of sensor 1 by multicore data cable, and will
Relevant data signals are converted to required magnetic field data.
In one embodiment, sensor 1 is additionally operable to：Obtain the sampling in test guiding force test process or vibration processes
The second magnetic field data and the second electromagnetism force data of point；Electromagnetism force test device 2 is additionally operable to according to the second magnetic field and the second electromagnetism
Power, analyzes the electromagnetic property for determining superconduction block material sample.
In foregoing multiple embodiments, before magnetic field and the magnetic data of test sample point is started every time, electromagnetic force
Test device 2 to the related datas such as displacement, magnetic force carry out return-to-zero, to avoid electromagnetism force test device 2 primary data or
The interference effect that the test data of person's last time tests this.
In embodiment, magnetic-force test device further includes constant-current supply 4 and display device, wherein, constant-current supply 4 is used for
Power for devices such as sensor 1, electromagnetism force test device 2 and display devices 5, display device 5 can be used for showing to technical staff
Detected the first magnetic field, the first electromagnetic force, the second magnetic field, the second magnetic field force, magnetic induction intensity and bulk Surface field
Etc. relevant test data.
In the present embodiment, a constant-current supply 4 corresponds to a sensor 1, a pair for constant-current supply 4 and sensor 1
It can be that sensor 1 provides more stable electric current to answer power supply mode, so as to ensure the measurement accuracy of sensor.
It should be appreciated that flow and knot that the utility model is not limited to be described above and is shown in the drawings
Structure, and various modifications and changes may be made without departing from the scope thereof.The scope of the utility model only will by appended right
Ask to limit.
Claims (5)
1. magnetic-force test device of a kind of high-temperature superconducting magnetic levitation, it is characterised in that the magnetic-force test device includes：
First sensor, the first magnetic field data of the sampled point for obtaining superconduction block material sample, the sampled point include at least：
The seed face center of the superconduction block material, seeded growth border at least one, seeded growth region and corresponding non-at least one
Seed face sampled point；
Second sensor, for obtaining the first electromagnetism force data of the superconduction block material sample；
Analytical equipment, for according to first magnetic field data and the first electromagnetism force data, analyzing the superconduction block material sample
The electromagnetic property of product.
2. magnetic-force test device as claimed in claim 1, it is characterised in that the magnetic-force test device further includes driving dress
Put, the first tape deck and the second tape deck, wherein,
The driving device is used to control to carry out back and forth movement between superconduction block material sample cold position on the scene and operating position；
The first sensor is used for the magnetic field for obtaining the sampled point in real time；
The tape deck is used to record translational speed and run duration that the superconduction block material sample is run back and forth；
The analytical equipment includes the first analysis sub-device, and the first analysis sub-device is used for according to the magnetic field, described super
The translational speed and run duration that guide block material sample is run back and forth, determine the first incidence relation of magnetic field and displacement；
The second sensor is used to obtain stress of the superconduction block material sample in the round-trip operational process；
Second tape deck is used for the displacement for recording the superconduction block material sample；
The analytical equipment includes the second analysis sub-device, and the second analysis sub-device is used for according to the stress and described super
The displacement of guide block material sample, determines the second incidence relation of electromagnetic force and displacement.
3. magnetic-force test device as claimed in claim 1, it is characterised in that
Magnetic-the force test device further includes low-temperature (low temperature) vessel, the magnetic field for the sampled point in the acquisition superconduction block material sample
Before electromagnetic force, the superconduction block material sample is cooled down, until the superconduction block material sample reaches setting cooling temperature；
Magnetic-the force test device is additionally operable to determine magnetic strength of the superconduction block material sample under the conditions of the setting cooling temperature
Answer intensity.
4. magnetic-force test device as claimed in claim 3, it is characterised in that the magnetic-force test device further includes multichannel
Data collecting card, is used for：
Obtain the output voltage signal of the sampled point；And
The output voltage signal of the sampled point is handled, obtains the magnetic induction intensity of the superconduction block material sample.
5. magnetic-force test device as claimed in claim 1, it is characterised in that described device further includes：
3rd sensor, is used for：Obtain the second magnetic of the sampled point in test guiding force test process or vibration processes
Field data；
4th sensor, for obtaining second of the sampled point in the guiding force test process or the vibration processes
Electromagnetism force data；
The analytical equipment is additionally operable to, according to second magnetic field data and the second electromagnetism force data, analyze the superconduction block material sample
The electromagnetic property of product.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107621614A (en) * | 2017-11-08 | 2018-01-23 | 西南交通大学 | The magnetic force method of testing and device of a kind of high-temperature superconducting magnetic levitation |
| CN109114147A (en) * | 2018-09-29 | 2019-01-01 | 西南交通大学 | Vibration absorber and traveling apparatus |
| CN110779743A (en) * | 2019-11-12 | 2020-02-11 | 中国人民解放军国防科技大学 | Magnetic-levitation train track panel monitoring method based on vehicle-mounted levitation controller |
| CN115014611A (en) * | 2022-06-24 | 2022-09-06 | 湖南凌翔磁浮科技有限责任公司 | Long stator suspension force testing device and method |
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2017
- 2017-11-08 CN CN201721479866.0U patent/CN207352143U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621614A (en) * | 2017-11-08 | 2018-01-23 | 西南交通大学 | The magnetic force method of testing and device of a kind of high-temperature superconducting magnetic levitation |
| CN107621614B (en) * | 2017-11-08 | 2023-08-01 | 西南交通大学 | Magnetic-force testing method and device for high-temperature superconductive magnetic suspension |
| CN109114147A (en) * | 2018-09-29 | 2019-01-01 | 西南交通大学 | Vibration absorber and traveling apparatus |
| CN109114147B (en) * | 2018-09-29 | 2023-11-24 | 西南交通大学 | Vibration damping device and traveling equipment |
| CN110779743A (en) * | 2019-11-12 | 2020-02-11 | 中国人民解放军国防科技大学 | Magnetic-levitation train track panel monitoring method based on vehicle-mounted levitation controller |
| CN115014611A (en) * | 2022-06-24 | 2022-09-06 | 湖南凌翔磁浮科技有限责任公司 | Long stator suspension force testing device and method |
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