CN109841372A - A kind of high-temperature superconductor stacking band excitation unit - Google Patents
A kind of high-temperature superconductor stacking band excitation unit Download PDFInfo
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- CN109841372A CN109841372A CN201910168166.7A CN201910168166A CN109841372A CN 109841372 A CN109841372 A CN 109841372A CN 201910168166 A CN201910168166 A CN 201910168166A CN 109841372 A CN109841372 A CN 109841372A
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- pedestal
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Abstract
The invention discloses a kind of high-temperature superconductors to stack band excitation unit, belong to superconductor producing device field, device includes five field magnet pedestal, pedestal, sliding block, field magnet slide plate and sample slide plate modules, wherein the field magnet pedestal and the pedestal pass through welded connecting；The sliding block can be slided for carrying the sample slide plate on the pedestal；The sliding block can be screwed with the pedestal；The field magnet slide plate is fixed on the field magnet pedestal for carrying field magnet；The sample slide plate is for the fixed stacking band being excited.The present invention can work in liquid nitrogen environment, operating temperature is lower than the critical-temperature of common superconductor, and the compatible all excitation modes for stacking band,, null field cold including field be cold and pulsed field magnetization, the compatible permanent magnet of the field magnet of device and electromagnet, and it is suitable for various sizes of stacking band, device design is rationally perfect, has wide range of applications.
Description
Technical field
The present invention relates to superconductor producing device fields more particularly to a kind of high-temperature superconductor to stack band excitation unit.
Background technique
Currently, superconductor is widely used in generator, motor, magnetic suspension etc. and sets due to its good electromagnetic performance
In standby.A kind of second generation high-temperature superconductor ReBCO (superconductor, chemical formula are (Re) Ba2Cu3O7) material forms can be roughly divided into
Three kinds: bulk, band and film.Wherein, if the superconducting tape of the identical shapes and sizes of dry plate is stacked and is fixed on one
It rises, forms the class bulk similar with bulk, when temperature reduces, capture magnetic field will not be saturated, and can be increased always；Separately
Outside, the metal layers such as copper, silver, the Hastelloy in band are stacked, the mechanical strength for stacking band is also greatly enhanced.
Superconducting tape is stacked after becoming class bulk, also need to carry out excitation, stacking band ability capture magnetic field becomes superconduction
Magnet.The excitation mode for stacking band is identical with bulk, is broadly divided into that field is cold, null field is cold and pulsed field magnetization.Field is cold to be needed heap
Stacked strips material is cooled to operating temperature under the environment of stationary magnetic field, then removes or cancel additional magnetic for the permanent magnet for generating magnetic field
?；Cold null field is will to stack after band is cooled to operating temperature to apply external magnetic field again, cancels external magnetic field after maintaining a period of time.Arteries and veins
It rushes excitation to refer to after superconductor is cooled to operating temperature, applies pulsed magnetic field progress excitation, the peak value of pulse to band is stacked
It needs to be adjusted according to actual needs with pulsewidth.In practical applications, stablize as required for field is cold and the cold excitation of null field
The generation of high-intensity magnetic field is extremely difficult, therefore pulsed field magnetization is the most convenient and practical in all excitation modes.
Since there are a variety of excitation modes, and field magnet may be permanent magnet, it is also possible to electromagnet, traditional excitation
Device can not be compatible with a variety of excitation modes, and there is also difficulties in the switching of field magnet, in addition, stacking the size of band not to the utmost
It is identical, also bring challenges to the design of excitation unit.
Therefore, those skilled in the art is dedicated to developing a kind of stacking band excitation unit, can meet simultaneously a variety of
The application demand of excitation mode, and can be convenient ground switched energization magnet, while various sizes of stacking band can also be compatible with.
Summary of the invention
In view of the above drawbacks of the prior art, technical problem to be solved by the invention is to provide a kind of structurally reasonable,
It is easy to operate, it is dismounted without complexity, gas length is adjusted and accurate positioning, compatible permanent magnet and electromagnet, compatible different rulers
The very little excitation unit for stacking band.
To achieve the above object, the present invention provides a kind of high-temperature superconductors to stack band excitation unit, including field magnet
Five pedestal, pedestal, sliding block, field magnet slide plate and sample slide plate modules, wherein the field magnet pedestal and the pedestal
Pass through welded connecting；The sliding block can be slided for carrying the sample slide plate on the pedestal；The sliding block with it is described
It can be screwed between pedestal；The field magnet slide plate is fixed on the field magnet for carrying field magnet
On pedestal；The sample slide plate is for the fixed stacking band being excited.
Further, the pedestal is L-shaped, is divided into long side and short side.
Further, the long side of the pedestal vertically, above there is locating translot；The short side in the horizontal direction, on
There is positioning runner.
Further, the quantity of the locating translot is greater than 1, and the quantity of the positioning runner is greater than 1.
Further, the long side top end surface of the pedestal has graduated scale, the mobile position of graduated scale scale and the sliding block
It sets corresponding.
Further, the field magnet pedestal is in " recessed " type, and respectively there are a card slot in two sides, the card slot size with it is described
Field magnet slide plate size is corresponding.
Further, the sliding block is divided into upper half and bottom half in vertical direction, and upper bottom half is isolated by a partition.
Further, respectively there are a card slot in the bottom half two sides of the sliding block, and card slot size is opposite with the sample slide plate
It answers；Multiple hemispherical locating wedges, the size of locating wedge and the positioning runner phase on the pedestal short side are arranged at the bottom of the sliding block
It is corresponding；Respectively there are multiple screw location holes, the position of screw location hole and the pedestal long side in the upper half two sides of the sliding block
Locating translot is corresponding.
Further, which is characterized in that have intensive cross-drilled hole on the sample slide plate, the cross-drilled hole is of different sizes, is used for
Fixed various sizes of stacking band.
Further, which is characterized in that fixed, can be held by low temperature glue between the field magnet slide plate and field magnet
Carry permanent magnet or electromagnet.
The invention has the advantages that
(1) it can work in liquid nitrogen environment, temperature is lower than the critical-temperature of ReBCO superconductor；
(2) all excitation modes for stacking band can be compatible with, including field is cold, null field is cold and pulsed field magnetization；
(3) adjustable gas length during excitation, and lateral displacement will not occur for sliding block；
(4) field magnet selection flexibly, can choose permanent magnet and electromagnet；
(5) it is applicable to stacking band of the size less than any size of sample slide plate；
(6) sliding block can be mechanically fixed, suitable for there are the situations of larger electromagnetic force between field magnet and sample.
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with
It is fully understood from the purpose of the present invention, feature and effect.
Detailed description of the invention
Fig. 1 is the overall schematic of a preferred embodiment of the invention；
Fig. 2 is overall schematic of the preferred embodiment of the invention from another angle；
Fig. 3 is the field magnet pedestal of a preferred embodiment of the invention and the top view of sliding block；
Fig. 4 is the front view of the sliding block of a preferred embodiment of the invention；
Fig. 5 is the schematic diagram of the different exciting magnet slide plate of a preferred embodiment of the invention.
Wherein, 1- field magnet pedestal；2- pedestal；3- sliding block；4- field magnet slide plate；5- sample slide plate；6- heap stacked strips
Material；7- graduated scale；81- electromagnet；82- permanent magnet；9- positioning runner；10- locating translot；11- card slot；12- card slot；13- is sliding
Block upper half；14- sliding block bottom half；15- locating wedge.
Specific embodiment
Multiple preferred embodiments of the invention are introduced below with reference to Figure of description, keep its technology contents more clear and just
In understanding.The present invention can be emerged from by many various forms of embodiments, and protection scope of the present invention not only limits
The embodiment that Yu Wenzhong is mentioned.
In the accompanying drawings, the identical component of structure is indicated with same numbers label, everywhere the similar component of structure or function with
Like numeral label indicates.The size and thickness of each component shown in the drawings are to be arbitrarily shown, and there is no limit by the present invention
The size and thickness of each component.Apparent in order to make to illustrate, some places suitably exaggerate the thickness of component in attached drawing.
As depicted in figs. 1 and 2, band excitation unit is stacked for a kind of high-temperature superconductor.In this embodiment, device includes encouraging
5 five magnetic magnet pedestal 1, pedestal 2, sliding block 3, field magnet slide plate 4 and sample slide plate modules, wherein field magnet pedestal 1 with
Pedestal 2 passes through welded connecting；Sliding block 3 can slide on the base 2 for carrying sample slide plate 5；Sliding block 3 can pass through with pedestal 2
Screw is fixed；Field magnet slide plate 4 is fixed on the field magnet pedestal 1 for carrying field magnet 81；Sample slide plate
5 for the fixed stacking band 6 being excited.
Pedestal 2 is L-shaped, is divided into long side and short side.Long side vertically, above there is locating translot 10；Short side is along level side
To above there is positioning runner 9.In the present embodiment, the quantity of locating translot is 2, and the quantity of positioning runner is 2.The long side of pedestal 2
Top end surface has graduated scale 7, and 7 scale of graduated scale is corresponding with the shift position of the sliding block 3.
Field magnet pedestal 1 is in " recessed " type, and respectively there are a card slot 11, card slot size and the field magnet slide plate 4 in two sides
Size is corresponding.
As shown in figure 3, being the top view of field magnet pedestal 1 and sliding block 3.In 1 two sides of field magnet pedestal, there is one respectively
A card slot 11 is used for fixed excitation magnet slide plate 4；In the two sides of sliding block 3, also there are two card slots 12, for fixing sample slide plate
5。
As shown in figure 4, being the front view of sliding block 3, sliding block 3 is divided into upper half 13 and bottom half 14 in vertical direction, on
Bottom half is isolated by a partition.There are two hemispherical locating wedges 15 for 3 bottom of sliding block, for sliding block 3 to be installed to field magnet bottom
On the positioning runner 9 of seat 1.Therefore, adjustable gas length during excitation, and lateral displacement will not occur for sliding block 3.
As shown in figure 5, fixing between field magnet slide plate 4 and field magnet 81 or 82 by low temperature glue, electromagnetism can be carried
Body 81 or permanent magnet 82.
Below in conjunction with a Detailed description of the invention preferred embodiment of the invention cold, null field on the scene is cold and three kinds of pulsed field magnetization not
With the workflow under operating mode:
(1) field is cold
When to the cold excitation in stacking band progress field, permanent magnet slide plate shown in Fig. 5 is used.Sliding block 3 is slided into heap stacked strips
Material 6 is carried out close to the position of permanent magnet, and between the screw hole of sliding block 3 and the locating translot 10 of pedestal 2 by screw and nut
Then tightening immerses package unit among liquid nitrogen, liquid nitrogen liquid level did not had stacking strip samples.Stablize it to liquid-nitrogen boiling
Afterwards, the screw and nut of tightening is removed, holds the top cross handle of sliding block upper half 13, slided and slide along base stand location sliding slot 9
Block 3 makes sliding block 3 far from permanent magnet 82, and when gas length reaches 15cm or more, the magnetic field of permanent magnet 82 is being stacked at band 6
Decay to zero substantially, the cold excitation in field is completed.Stacking the capture magnetic field of band 6 at this time includes two parts, and a part is superconductive tape
The magnetic field that intrinsic defect is confined in material, a part are the magnetic field generated far from the vortex generated during permanent magnet 82.
(2) null field is cold
The cold excitation process of null field is cold roughly the same with field, and when difference is to immerse device in liquid nitrogen, sliding block 3 is fixed
In the position far from permanent magnet 82.After liquid-nitrogen boiling is stablized, sliding block 3 is moved closer into permanent magnet 82, after being kept for a period of time
Sliding block 3 is gradually distance from permanent magnet 82 again.In stacking band 6 after the cold excitation of null field, the main component in the magnetic field of generation is sense
The magnetic field that raw vortex generates.
(3) pulsed field magnetization
Pulsed field magnetization uses electromagnet 81 shown in Fig. 5.During excitation, gas length does not need to change.
Sliding block is placed and fixed close to electromagnet 81, electromagnet 81 is connected with pulsed magnetizer.Device is immersed into liquid nitrogen, to liquid nitrogen
After boiling is stablized, pulse current is filled with to electromagnet 81 by impulse interference wave machine, electromagnet 81 generates pulsed magnetic field, to stacking band
6 carry out pulsed field magnetization.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that the ordinary skill of this field is without wound
The property made labour, which according to the present invention can conceive, makes many modifications and variations.Therefore, all technician in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Scheme, all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of high-temperature superconductor stacks band excitation unit, which is characterized in that including field magnet pedestal, pedestal, sliding block, excitation
Five modules of magnet slide plate and sample slide plate, wherein the field magnet pedestal and the pedestal pass through welded connecting；The cunning
Block can be slided for carrying the sample slide plate on the pedestal；Screw can be passed through between the sliding block and the pedestal
It is fixed；The field magnet slide plate is fixed on the field magnet pedestal for carrying field magnet；The sample slide plate
For the fixed stacking band being excited.
2. a kind of high-temperature superconductor as described in claim 1 stacks band excitation unit, which is characterized in that the pedestal is L-shaped,
It is divided into long side and short side.
3. a kind of high-temperature superconductor as claimed in claim 2 stacks band excitation unit, which is characterized in that the long side of the pedestal
Vertically, above there is locating translot；The short side in the horizontal direction, above there is positioning runner.
4. a kind of high-temperature superconductor as claimed in claim 3 stacks band excitation unit, which is characterized in that the locating translot
Quantity is greater than 1, and the quantity of the positioning runner is greater than 1.
5. a kind of high-temperature superconductor as claimed in claim 2 stacks band excitation unit, which is characterized in that the long side of the pedestal
Top end surface has graduated scale, and graduated scale scale is corresponding with the shift position of the sliding block.
6. a kind of high-temperature superconductor as described in claim 1 stacks band excitation unit, which is characterized in that the field magnet bottom
Seat is in " recessed " type, and respectively there are a card slot in two sides, and the card slot size is corresponding with the field magnet slide plate size.
7. a kind of high-temperature superconductor as described in claim 1 stacks band excitation unit, which is characterized in that the sliding block is vertical
It is divided into upper half and bottom half on direction, upper bottom half is isolated by a partition.
8. a kind of high-temperature superconductor as claimed in claim 7 stacks band excitation unit, which is characterized in that the lower half of the sliding block
Respectively there are a card slot in area two sides, and card slot size is corresponding with the sample slide plate；The bottom of the sliding block has multiple hemisphericals fixed
Position wedge, the size of locating wedge are corresponding with the positioning runner on the pedestal short side；The upper half two sides of the sliding block respectively have more
A screw location hole, the position of screw location hole are corresponding with the locating translot of the pedestal long side.
9. a kind of high-temperature superconductor as described in claim 1 stacks band excitation unit, which is characterized in that on the sample slide plate
There is intensive cross-drilled hole, the cross-drilled hole is of different sizes, for fixing various sizes of stacking band.
10. a kind of high-temperature superconductor as described in claim 1 stacks band excitation unit, which is characterized in that the field magnet
It is fixed between slide plate and field magnet by low temperature glue, permanent magnet or electromagnet can be carried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910168166.7A CN109841372B (en) | 2019-03-06 | 2019-03-06 | High-temperature superconducting stacked strip excitation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910168166.7A CN109841372B (en) | 2019-03-06 | 2019-03-06 | High-temperature superconducting stacked strip excitation device |
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| CN109841372B CN109841372B (en) | 2021-01-01 |
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