CN206096231U - Measurement device for high -temperature superconducting tape critical current characteristic - Google Patents
Measurement device for high -temperature superconducting tape critical current characteristic Download PDFInfo
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- CN206096231U CN206096231U CN201621072056.9U CN201621072056U CN206096231U CN 206096231 U CN206096231 U CN 206096231U CN 201621072056 U CN201621072056 U CN 201621072056U CN 206096231 U CN206096231 U CN 206096231U
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- critical current
- band
- magnetic field
- temperature superconducting
- superconducting tape
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Abstract
The utility model provides a measurement device for high -temperature superconducting tape critical current characteristic which measuring device's characteristics are: the hole at diaphragm middle part in inserted the rotary rod, and the rotary rod is located between two background magnetic field magnets, the motor shaft of upper end and support top of rotary rod link to each other, anchor clamps link to each other on the lower extreme of rotary rod and the strip, the lateral wall of support one side in the lower part be fixed with diaphragm under the horizontally, the clearance gomphosis of a rotatory section of thick bamboo is in the mounting hole of diaphragm down, anchor clamps are continuous under rotatory section of thick bamboo lower extreme and the strip, and the vertical inner chamber of a rotatory section of thick bamboo is located the rotary rod under, the diaphragm is equipped with the locking screw that inner and rotatory socket joint touched down. The device can be convenient measure different magnetic field direction change, and the different distortion modes of meeting an emergency under high -temperature superconducting tape's critical current, reach that magnetic field direction changes and the distortion is met an emergency to high -temperature superconducting tape's critical current's influence, provide more reliable experiment foundation for the high temperature superconducting device 's of many root zones material lap wound design and application.
Description
Technical field：
This utility model is related to a kind of measurement apparatus of critical current properties of high-temperature superconducting tape.
Background technology：
It is most active in superconductivity and its application always contemporary science and technology since being found from superconductivity in 1911
One of research frontier.Because superconduction shows many unusual properties, such as the zero resistance at limited temperature and resist completely
Magnetic etc..Based on these peculiar properties, superconduction can have very at aspects such as the energy, medical treatment, traffic, national defence and big science engineerings
Many applications.But superconduction is limited to its extremely low critical temperature, is not at first widely used, but from high temperature in 1986
Since superconductor finds, the critical temperature of superconductor liquid nitrogen temperature is brought up to into, the tracking for causing world many countries is sent out
Exhibition, application is more and more extensive, such as superconducting motor, superconductive current limiter, super conductive magnetic storage energy, superconducting transformer.
High temperature superconducting materia is the core of superconductive products, and band is the main application form of high temperature superconducting materia.Super
In the overall performance of conduction band material, critical current properties are one of most important of which characteristics.Critical current just referred in temperature, magnetic
In the case that field is certain, superconducting tape keeps the maximum current of superconducting state.More than critical electric current value, then superconducting tape is by superconducting state
It is changed into normal state.And affect the factor of the critical current properties of superconducting tape to have a lot, such as background magnetic field size and magnetic field side
To, contingency approach etc..
During superconducting device is developed, during superconducting tape is due to being in the magnetic field of change, and different magnetic directions
The critical current of superconducting tape is had a great impact, here it is the anisotropy of superconducting tape, therefore study superconducting tape
Anisotropy is significant.The high current application of critical current is required more than in solve large-scale magnet applications, can will be many
Root band lap wound, to realize the transmission of high-density current.But band lap wound needs band to be reversed, and on the one hand can make band
Material changes with the relative angle in magnetic field, produces anisotropy；On the other hand, band is under torsional strain, its critical current
Also can decay.So critical current properties of the test band under twisting states, significant.
Utility model content：
The purpose of this utility model is to provide a kind of measurement apparatus of critical current properties of high-temperature superconducting tape, the device energy
The critical current of different magnetic field direction change and the high-temperature superconductor band under different torsional strain modes is easily measured, is drawn
The impact of magnetic direction change and torsional strain to the critical current of high-temperature superconductor band, is the high-temperature superconductor of many band lap wounds
The design and application of device provides more reliable experimental basis.
This utility model realizes that the technical scheme that its goal of the invention is adopted is, a kind of high-temperature superconductor band critical current is special
The measurement apparatus of property, including cooled cryostat, are provided with the support of H types inside cooled cryostat, and the transverse slat bottom surface of support is fixed with two
Individual background magnetic field magnet, it is characterised in that：
Swingle is inserted with hole in the middle part of described transverse slat, and swingle is located between two background magnetic field magnets；It is described
The upper end of swingle be connected with the motor shaft above support；The lower end of swingle is connected with band upper fixture；
The side wall middle and lower part of described support side is fixed with horizontal lower cross plate, and rotating cylinder movable fit is in lower cross plate
In installing hole, rotating cylinder lower end is connected with band lower clamp；And the vertical inner chamber of rotating cylinder is located at the underface of swingle；Lower horizontal stroke
Plate is provided with the lock-screw that the inner contacts with rotating cylinder.
The first using method of the present utility model is：
A, the upper end of high-temperature superconductor band to be measured is held in band upper fixture, lower end is through rotating cylinder and is held on
On band lower clamp；Rotation lock screw makes its inner push against rotating cylinder, to lock the lower end of rotating cylinder and high-temperature superconductor band；
Again two leads of nanovoltmeter are connected to into the top of high-temperature superconductor band, bottom, two leads of constant-current source are distinguished
Electrically connect with band upper fixture, band lower clamp；
B, in cooled cryostat liquid nitrogen is passed through, liquid nitrogen is flooded to transverse slat, starting motor makes the rotation of swingle rotation setting
Gyration, and rotating cylinder does not turn, the high-temperature superconductor band angle that then therewith distortion rotation sets；Constant-current source is opened to high-temperature superconductor
Band is passed through the constant current for gradually increasing, the voltage that synchronous recording nanovoltmeter is measured, and when voltage increases suddenly, corresponding constant current is
Critical current of the high-temperature superconductor band under the distortion angle of setting；
The different background magnetic field magnets of C, the anglec of rotation for changing setting and/or replacing, subsequently repeat the operation of B steps, i.e.,
Critical current of the high-temperature superconductor band under different distortion angles and/or different background magnetic field is obtained.
Second using method of the present utility model be：
A, by the upper end of the same epoxy sheet of high-temperature superconductor band and length to be measured be held on together on band press from both sides
On tool, lower end through rotating cylinder and is held on band lower clamp together；Again two leads of nanovoltmeter are connected to into height
The top of temp. superconductive band, bottom, two leads of constant-current source are electrically connected respectively with band upper fixture, band lower clamp；
B, in cooled cryostat liquid nitrogen is passed through, liquid nitrogen is flooded to transverse slat, starting motor makes swingle and rotating cylinder rotation
The anglec of rotation of setting；The high-temperature superconductor band angle that therewith overall distortionless rotation sets；Open constant-current source super to high temperature
Conduction band material is passed through the constant current for gradually increasing, the voltage that synchronous recording nanovoltmeter is measured, and when voltage increases suddenly, corresponding constant current is
Critical current under the setting anglec of rotation for being high-temperature superconductor band under distortionless strain；
The different background magnetic field magnets of C, the anglec of rotation for changing setting and/or replacing, subsequently repeat the operation of B steps, i.e.,
Different rotary angle of the high-temperature superconductor band under distortionless strain and/or the critical current under different background magnetic field is obtained.
Compared with prior art, the beneficial effects of the utility model are：
First, rotated by motor Spin Control swingle and rotating cylinder concomitant rotation (first method) or do not turn (second
The method of kind) so that high-temperature superconductor band has under torsional strain (first method) or distortionless strain (second method)
Set angle rotation.So as to not only can accurate measurement magnetic direction shadow of the change to critical current properties of high-temperature superconducting tape
Ring (anisotropy of high-temperature superconductor band).And can measure each to different of high-temperature superconductor band under the conditions of torsional strain
Property.When successfully solving high current application, together, band is distorted under strain situation many high-temperature superconductor band lap wounds
The measurement problem of critical current properties of high-temperature superconducting tape.For the design and application of high-temperature superconducting device, especially many high temperature
The design and application of the high current high-temperature superconducting device of superconducting tape lap wound, there is provided more reliable experimental basis.
2nd, magnet is changed, you can the different background magnetic field of conversion.Different background magnetic field and difference can easily be measured
Distortion angle or the anglec of rotation under, the critical current properties of high-temperature superconductor band.
3rd, motor can control swingle and band is rotated at any angle, thereby may be ensured that in torsional strain
Under the conditions of distortion angle seriality, can carry out continuously measuring to ensure the accurate and reliable of experimental result.
With reference to the accompanying drawings and detailed description the utility model is described in further detail：
Description of the drawings：
Fig. 1 is the structural representation of the measurement apparatus of this utility model embodiment.
Fig. 2 is the electronic schematic diagram of the measurement apparatus of this utility model embodiment.
Specific embodiment：
Fig. 1-2 illustrates, a kind of specific embodiment of the present utility model is, a kind of critical current properties of high-temperature superconducting tape
Measurement apparatus, including cooled cryostat 1 is provided with the support 2 of H types inside cooled cryostat 1, and the bottom surface of transverse slat 15 of support 2 is fixed
There are two background magnetic field magnets 6, it is characterised in that：
Swingle 3 is inserted with the hole at the described middle part of transverse slat 15, and swingle 3 is located between two background magnetic field magnets 6；
The upper end of described swingle 3 is connected with the axle of motor 5 of the top of support 2；The lower end of swingle 3 is connected with band upper fixture 4；
The side wall middle and lower part of the described side of support 2 is fixed with horizontal lower cross plate 14, and the movable fit of rotating cylinder 8 is in lower horizontal stroke
In the installing hole of plate 14, the lower end of rotating cylinder 8 is connected with band lower clamp 9；And the vertical inner chamber of rotating cylinder 8 is located at swingle 3
Underface；Lower cross plate 14 is provided with the lock-screw 10 that the inner contacts with rotating cylinder 8.
A kind of measurement apparatus of the critical current properties of high-temperature superconducting tape of this example are special to high-temperature superconductor band critical current
The first method that property is measured, its step is：
A, the upper end of high-temperature superconductor band 7 to be measured is held in band upper fixture 4, lower end is through rotating cylinder 8 and presss from both sides
It is held on band lower clamp 9；Rotation lock screw 10 makes its inner push against rotating cylinder 8, to lock rotating cylinder 8 and hts band
The lower end of material 7；Again two leads of nanovoltmeter 12 are connected to into the top of high-temperature superconductor band 7, bottom, by constant-current source 13
Two leads electrically connect with band upper fixture 4, band lower clamp 9 respectively；
B, in cooled cryostat 1 liquid nitrogen is passed through, liquid nitrogen is flooded to transverse slat 15, starting motor 5 makes the rotation setting of swingle 3
The anglec of rotation, and rotating cylinder 8 does not turn, the then angle of distortion rotation setting therewith of high-temperature superconductor band 7；Open constant-current source 13 to
High-temperature superconductor band 7 is passed through the constant current for gradually increasing, and the voltage that synchronous recording nanovoltmeter 12 is measured is right when voltage increases suddenly
The constant current answered is critical current of the high-temperature superconductor band under the distortion angle of setting；
The different background magnetic field magnets 6 of C, the anglec of rotation for changing setting and/or replacing, subsequently repeat the operation of B steps, i.e.,
Critical current of the high-temperature superconductor band under different distortion angles and/or different background magnetic field is obtained.
Measurement apparatus using the critical current properties of high-temperature superconducting tape of this example are special to high-temperature superconductor band critical current
The second method that property is measured, its step is：
A, the upper end of the same epoxy sheet 11 of high-temperature superconductor band 7 and length to be measured is held on together on band
On fixture 4, lower end through rotating cylinder 8 and is held on band lower clamp 9 together；Two leads of nanovoltmeter 12 are connected respectively again
Be connected to top, the bottom of high-temperature superconductor band 7, by two leads of constant-current source 13 respectively with band upper fixture 4, band lower clamp
9 electrical connections；
B, in cooled cryostat 1 liquid nitrogen is passed through, liquid nitrogen is flooded to transverse slat 15, starting motor 5 makes swingle 3 and rotating cylinder
The anglec of rotation of 8 rotation settings；The angle that therewith overall distortionless rotation sets of high-temperature superconductor band 7；Open constant-current source 13
The constant current for gradually increasing is passed through to high-temperature superconductor band, the voltage that synchronous recording nanovoltmeter 12 is measured is right when voltage increases suddenly
The constant current answered is the critical current under the setting anglec of rotation of the high-temperature superconductor band under distortionless strain；
The different background magnetic field magnets 6 of C, the anglec of rotation for changing setting and/or replacing, subsequently repeat the operation of B steps, i.e.,
Different rotary angle of the high-temperature superconductor band under distortionless strain and/or the critical current under different background magnetic field is obtained.
Claims (1)
1. a kind of measurement apparatus of critical current properties of high-temperature superconducting tape, including cooled cryostat (1), in cooled cryostat (1)
Portion is provided with the support (2) of H types, and transverse slat (15) bottom surface of support (2) is fixed with two background magnetic field magnets (6), it is characterised in that：
Swingle (3), and swingle (3) are inserted with hole in the middle part of described transverse slat (15) positioned at two background magnetic field magnets (6)
Between；The upper end of described swingle (3) is connected with motor (5) axle above support (2)；The lower end of swingle (3) and band
Upper fixture (4) is connected；
The side wall middle and lower part of described support (2) side is fixed with horizontal lower cross plate (14), and rotating cylinder (8) movable fit is under
In the installing hole of transverse slat (14), rotating cylinder (8) lower end is connected with band lower clamp (9)；And the vertical inner chamber of rotating cylinder (8) is located at
The underface of swingle (3)；Lower cross plate (14) is provided with the lock-screw (10) that the inner contacts with rotating cylinder (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621072056.9U CN206096231U (en) | 2016-09-22 | 2016-09-22 | Measurement device for high -temperature superconducting tape critical current characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621072056.9U CN206096231U (en) | 2016-09-22 | 2016-09-22 | Measurement device for high -temperature superconducting tape critical current characteristic |
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| Publication Number | Publication Date |
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| CN206096231U true CN206096231U (en) | 2017-04-12 |
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| CN201621072056.9U Expired - Fee Related CN206096231U (en) | 2016-09-22 | 2016-09-22 | Measurement device for high -temperature superconducting tape critical current characteristic |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546838A (en) * | 2016-09-22 | 2017-03-29 | 西南交通大学 | A kind of measurement apparatus and its method of critical current properties of high-temperature superconducting tape |
-
2016
- 2016-09-22 CN CN201621072056.9U patent/CN206096231U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546838A (en) * | 2016-09-22 | 2017-03-29 | 西南交通大学 | A kind of measurement apparatus and its method of critical current properties of high-temperature superconducting tape |
| CN106546838B (en) * | 2016-09-22 | 2023-09-01 | 西南交通大学 | Device and method for measuring critical current characteristics of high-temperature superconducting strip |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20190922 |