CN108648881A - The production method of superconductor electromagnetic wire - Google Patents
The production method of superconductor electromagnetic wire Download PDFInfo
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- CN108648881A CN108648881A CN201810431615.8A CN201810431615A CN108648881A CN 108648881 A CN108648881 A CN 108648881A CN 201810431615 A CN201810431615 A CN 201810431615A CN 108648881 A CN108648881 A CN 108648881A
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- superconducting line
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/065—Insulating conductors with lacquers or enamels
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0003—Apparatus or processes specially adapted for manufacturing conductors or cables for feeding conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/16—Insulating conductors or cables by passing through or dipping in a liquid bath; by spraying
- H01B13/165—Insulating conductors or cables by passing through or dipping in a liquid bath; by spraying by spraying
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/30—Drying; Impregnating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B12/00—Superconductive or hyperconductive conductors, cables, or transmission lines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
Abstract
The invention discloses a kind of production methods of superconductor electromagnetic wire, are related to electromagnetic wire production field；Solve the problems, such as that superconducting line insulated paint is easy to fall off from superconductor at 269 DEG C；Its key points of the technical solution are that including the following steps：(1) superconduction wire bonding；(2) superconducting line unwrapping wire；(3) it anneals；(4) gluing；(5) it paints；(6) it bakes；(7) take-up is formed one layer of adhesive-layer between superconductor and insulated paint by gluing, prevents insulated paint from falling off from superconductor at a temperature of 269 DEG C.
Description
Technical field
The present invention relates to electromagnetic wire production fields, more specifically, it is related to a kind of production method of superconductor electromagnetic wire.
Background technology
The characteristic that superconductor is under certain temperature conditions zero with resistance, now many electromagnetic wires are all applied in the middle
Superconductor material is used as core；Now more commonly used superconductor material is NbTi alloys, temperature of this alloy at -269 DEG C
The lower resistance of degree is zero.
The outer layer in superconducting line is needed to coat insulated paint in the production process of existing NbTi superconductors electromagnetic wire, but it is existing
Adhesion of some insulated paint for metal under conditions of -269 DEG C is poor, is easy to fall off from electromagnetic wire, influences two electromagnetism
Insulation effect between line.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of producer of superconductor electromagnetic wire
Method, by coating one layer of adhesive in metal surface so that insulated paint can will not be from electromagnetic wire under conditions of -269 DEG C
On fall off, improve the insulation effect between two electromagnetic wires.
To achieve the above object, the present invention provides following technical solutions：A kind of production method of superconductor electromagnetic wire, packet
Include following steps：
(1) superconduction wire bonding：The both ends of superconducting line are welded to the copper wire of same size, the rear end welding of a copper wire is super wherein
Conducting wire carries out the welding of copper wire and superconducting line successively later；
(2) superconducting line unwrapping wire：Unwrapping wire processing is carried out to superconducting line, first to superconduction line front end when carrying out superconducting line unwrapping wire
Copper wire carries out unwrapping wire processing, and the adjustment of unwrapping wire pulling force is carried out according to the unwrapping wire quality of copper wire, then carries out unwrapping wire to superconducting line again
Processing；
(3) it anneals：The temperature that superconducting line is annealed when annealing is controlled at 450~550 DEG C, is kept the temperature 60~80min, is air-cooled to room later
Temperature；
(4) gluing：Adhesive-layer is uniformly coated on the surface of superconducting line, the thickness of adhesive-layer is 0.2mm；The composition of adhesive-layer is pressed
Include according to parts by weight：100 parts of resorcinol resin, 10 parts of nanometer sodium hydroxide, 5 parts of poly- phthalein amine, 7 parts of tribasic sulphur
Lead plumbate, 15 parts of silica flour, 4 parts of quinoline and 5 parts of carbon black；
(5) it paints：On the superconducting line surface that gluing terminates, uniformly one layer of insulated paint of coating, obtained superconductor electromagnetic wire insulate
The thickness of layer is 0.5mm, and insulated paint is that polyester-imide paint and polyamidoimide paint mix, polyester-imide paint and polyamide
The ratio of acid imide paint is 4:6；
(6) it bakes：The superconductor electromagnetic wire terminated to japanning bakes, and the adhesive-layer of smearing and insulated paint are dried；It adjusts
Stoving temperature is 50~80 DEG C when initial, and interlude temperature is 530~560 DEG C, and end time temperature is 80~100 DEG C；Just
Uniformly rise to interlude temperature when the beginning, interlude uniformly declines to end time temperature；
(7) take-up：Together by superconductor electromagnetic wire coiling.
By using above-mentioned technical proposal, one layer of adhesive-layer, viscose glue are formed between superconductor and insulated paint by gluing
Insulated paint and superconductor can be adhered to each other by layer, and under conditions of -269 DEG C, between insulated paint and superconductor also not
It can be detached from.
The present invention is further arranged to：First by superconducting line before being welded to copper wire and superconducting line in the step (1)
And the welding ends of copper wire is polished, and the oxide layer on surface is polished clean.
By using above-mentioned technical proposal, oxide layer polishing can be improved to the quality of welding after clean.
The present invention is further arranged to：Profit after terminating copper wire and the polishing of superconducting line welding ends in the step (1)
Welding ends is wiped with alcohol, powder and impurity that the surface polishing of welding ends generates are wiped out.
By using above-mentioned technical proposal, the powder that polishing generates can be remained on superconducting line and copper wire after polishing terminates
And some impurity, welding quality is influenced, powder and impurity wiped clean can be improved by welding matter by alcohol wipe
Amount.
The present invention is further arranged to：Described (1) welding falls the extra Partial Shear of weld after terminating, then sharp
Shearing part is wiped with alcohol, wipes out the dirt on surface.
By using above-mentioned technical proposal, the redundance that welding generates is cut off and enables to weld and other portions
The superconducting line of position keeps a specification, and can wipe out by alcohol wipe the dirt of weld, improve later stage gluing and
The quality of japanning.
The present invention is further arranged to：To carrying out continuous annealing to superconducting line in the step (3) so that superconducting line is always
In exceptionally straight state.
By using above-mentioned technical proposal, superconducting line is constantly in exceptionally straight state, and when gluing can be on the surface of superconducting line
Uniformly one layer of adhesive-layer of adherency.
The present invention is further arranged to：It is needed to polyester-imide paint before carrying out insulated paint smearing in the step (5)
It is detected with the uniformity of polyamidoimide paint mixing, prevents the two mixing uneven.
By using above-mentioned technical proposal, by the way that two kinds of paint mixing can be prevented not to the detection of two kinds of paint mixing uniformity
Uniformly, the insulation effect of insulated paint is influenced.
The present invention is further arranged to：First to superconductor front end before painting to superconducting line in the step (5)
Copper wire paint, then according to copper wire paint effect be adjusted, then paint again to superconducting line；
By using above-mentioned technical proposal, in the process painted to copper wire can to the speed of japanning and thickness into
Row adjustment carries out quality when superconducting line japanning, prevents from causing to waste to superconducting line after improving.
The present invention is further arranged to：It is air-cooled to the progress of superconductor electromagnetic wire after the step (6), it is air-cooled to room temperature.
By using above-mentioned technical proposal, the insulating lacquer layer for just baking the superconductor electromagnetic wire surface terminated is in softening shape
State, directly carry out coiling be easy insulating lacquer layer is damaged, it is air-cooled after insulating lacquer layer toughness increase, be not easy in coiling by
It destroys.
In conclusion the present invention has the advantages that compared with the prior art：The present invention passes through in superconductor and absolutely
One layer of adhesive-layer is coated between edge layer, the ingredient of adhesive-layer includes by weight：100 parts of resorcinol resin, 10 parts receive
Rice sodium hydroxide, 5 parts of poly- phthalein amine, 7 parts of lead sulfate tribasic, 15 parts of silica flour, 4 parts of quinoline and 5 parts of carbon black；
Effectively insulating layer and superconductor can be adhered to each other by adding adhesive-layer, and insulating layer under conditions of -269 DEG C
Still there is good adhesion between superconductor.
Specific implementation mode
Embodiment one：A kind of production method of superconductor electromagnetic wire, is as follows：
(1) superconduction wire bonding：The both ends of superconducting line are welded to the copper wire of same size, the rear end welding of a copper wire is super wherein
Conducting wire carries out the welding of copper wire and superconducting line successively later；First by superconducting line and the welding ends of copper wire when being welded
It polishes, the oxide layer on surface is polished clean, then welding ends is wiped using alcohol, the surface of welding ends is beaten
It grinds the powder generated and impurity wipes out, improve welding quality；Welding falls the extra Partial Shear of weld after terminating,
Then shearing part is wiped using alcohol, wipes out the dirt on surface；
(2) superconducting line unwrapping wire：Unwrapping wire processing is carried out to superconducting line using paying out machine, first to super when carrying out superconducting line unwrapping wire
The copper wire of conducting wire front end carries out unwrapping wire processing, the adjustment of the unwrapping wire pulling force of paying out machine is carried out according to the unwrapping wire quality of copper wire, then
Unwrapping wire processing is carried out to superconducting line again, can ensure the unwrapping wire quality of superconducting line in this way, prevent that superconducting line is caused to waste, and
After being operated by welding, continuous switching free of discontinuities can be carried out between copper wire and superconducting line, improves processing efficiency；
(3) it anneals：Continuous annealing is carried out to superconducting line between superconducting line carries out gluing so that superconducting line is constantly in exceptionally straight shape
State so that superconducting line carries out that when gluing more uniform glue-line can be coated；The temperature annealed when annealing is controlled at 450 DEG C, is protected
Warm 60min, is air-cooled to room temperature later；
(4) gluing：Adhesive-layer is uniformly coated on the surface of superconducting line, the thickness of adhesive-layer is 0.2mm, will be exhausted by adhesive-layer
Edge paint is adhered to each other with superconducting line, and prevents from preventing insulated paint from falling off from superconducting line at -269 DEG C；The group of adhesive-layer
Include at according to parts by weight：100 parts of resorcinol resin, 10 parts of nanometer sodium hydroxide, 5 parts of poly- phthalein amine, 7 parts of three salt
Base lead sulfate, 15 parts of silica flour, 4 parts of quinoline and 5 parts of carbon black；
(5) it paints：On the superconducting line surface that gluing terminates, uniformly one layer of insulated paint of coating, obtained superconductor electromagnetic wire insulate
The thickness of layer is 0.5mm, and insulated paint is that polyester-imide paint and polyamidoimide paint mix, polyester-imide paint and polyamide
The ratio of acid imide paint is 4:6；It needs the uniformity mixed to the two to be detected before carrying out insulated paint smearing, prevents two
Person's mixing is uneven；It first paints to the copper wire of superconductor front end before painting to superconducting line, then according to copper wire
The effect of japanning is adjusted, and is then painted again to superconducting line, to effectively embrace the uniformity for ensureing superconducting line japanning；
(6) it bakes：The superconductor electromagnetic wire terminated to japanning using baker is baked, and it is 50 to adjust temperature at toaster entrance
DEG C, the temperature of middle is 530 DEG C, and the temperature in exit is 80 DEG C；Uniformly rise to middle temperature at baker inner opening, in
Between uniformly decline to outlet temperature；
(7) cooling：It is air-cooled that the superconductor electromagnetic wire progress terminated will be baked, until being cooled to room temperature；
(8) take-up：Together by the cooling superconductor electromagnetic wire coiling terminated.
Embodiment two：A kind of production method of superconductor electromagnetic wire, is as follows：
(1) superconduction wire bonding：The both ends of superconducting line are welded to the copper wire of same size, the rear end welding of a copper wire is super wherein
Conducting wire carries out the welding of copper wire and superconducting line successively later；First by superconducting line and the welding ends of copper wire when being welded
It polishes, the oxide layer on surface is polished clean, then welding ends is wiped using alcohol, the surface of welding ends is beaten
It grinds the powder generated and impurity wipes out, improve welding quality；Welding falls the extra Partial Shear of weld after terminating,
Then shearing part is wiped using alcohol, wipes out the dirt on surface；
(2) superconducting line unwrapping wire：Unwrapping wire processing is carried out to superconducting line using paying out machine, first to super when carrying out superconducting line unwrapping wire
The copper wire of conducting wire front end carries out unwrapping wire processing, the adjustment of the unwrapping wire pulling force of paying out machine is carried out according to the unwrapping wire quality of copper wire, then
Unwrapping wire processing is carried out to superconducting line again, can ensure the unwrapping wire quality of superconducting line in this way, prevent that superconducting line is caused to waste, and
After being operated by welding, continuous switching free of discontinuities can be carried out between copper wire and superconducting line, improves processing efficiency；
(3) it anneals：Continuous annealing is carried out to superconducting line between superconducting line carries out gluing so that superconducting line is constantly in exceptionally straight shape
State so that superconducting line carries out that when gluing more uniform glue-line can be coated；The temperature annealed when annealing is controlled at 500 DEG C, is protected
Warm 70min, is air-cooled to room temperature later；
(4) gluing：Adhesive-layer is uniformly coated on the surface of superconducting line, the thickness of adhesive-layer is 0.2mm, will be exhausted by adhesive-layer
Edge paint is adhered to each other with superconducting line, and prevents from preventing insulated paint from falling off from superconducting line at -269 DEG C；The group of adhesive-layer
Include at according to parts by weight：100 parts of resorcinol resin, 10 parts of nanometer sodium hydroxide, 5 parts of poly- phthalein amine, 7 parts of three salt
Base lead sulfate, 15 parts of silica flour, 4 parts of quinoline and 5 parts of carbon black；
(5) it paints：On the superconducting line surface that gluing terminates, uniformly one layer of insulated paint of coating, obtained superconductor electromagnetic wire insulate
The thickness of layer is 0.5mm, and insulated paint is that polyester-imide paint and polyamidoimide paint mix, polyester-imide paint and polyamide
The ratio of acid imide paint is 4:6；It needs the uniformity mixed to the two to be detected before carrying out insulated paint smearing, prevents two
Person's mixing is uneven；It first paints to the copper wire of superconductor front end before painting to superconducting line, then according to copper wire
The effect of japanning is adjusted, and is then painted again to superconducting line, to effectively embrace the uniformity for ensureing superconducting line japanning；
(6) it bakes：The superconductor electromagnetic wire terminated to japanning using baker is baked, and it is 65 to adjust temperature at toaster entrance
DEG C, the temperature of middle is 545 DEG C, and the temperature in exit is 90 DEG C；Uniformly rise to middle temperature at baker inner opening, in
Between uniformly decline to outlet temperature；
(7) cooling：It is air-cooled that the superconductor electromagnetic wire progress terminated will be baked, until being cooled to room temperature；
(8) take-up：Together by the cooling superconductor electromagnetic wire coiling terminated.
Embodiment three：A kind of production method of superconductor electromagnetic wire, is as follows：
(1) superconduction wire bonding：The both ends of superconducting line are welded to the copper wire of same size, the rear end welding of a copper wire is super wherein
Conducting wire carries out the welding of copper wire and superconducting line successively later；First by superconducting line and the welding ends of copper wire when being welded
It polishes, the oxide layer on surface is polished clean, then welding ends is wiped using alcohol, the surface of welding ends is beaten
It grinds the powder generated and impurity wipes out, improve welding quality；Welding falls the extra Partial Shear of weld after terminating,
Then shearing part is wiped using alcohol, wipes out the dirt on surface；
(2) superconducting line unwrapping wire：Unwrapping wire processing is carried out to superconducting line using paying out machine, first to super when carrying out superconducting line unwrapping wire
The copper wire of conducting wire front end carries out unwrapping wire processing, the adjustment of the unwrapping wire pulling force of paying out machine is carried out according to the unwrapping wire quality of copper wire, then
Unwrapping wire processing is carried out to superconducting line again, can ensure the unwrapping wire quality of superconducting line in this way, prevent that superconducting line is caused to waste, and
After being operated by welding, continuous switching free of discontinuities can be carried out between copper wire and superconducting line, improves processing efficiency；
(3) it anneals：Continuous annealing is carried out to superconducting line between superconducting line carries out gluing so that superconducting line is constantly in exceptionally straight shape
State so that superconducting line carries out that when gluing more uniform glue-line can be coated；The temperature annealed when annealing is controlled at 550 DEG C, is protected
Warm 80min, is air-cooled to room temperature later；
(4) gluing：Adhesive-layer is uniformly coated on the surface of superconducting line, the thickness of adhesive-layer is 0.2mm, will be exhausted by adhesive-layer
Edge paint is adhered to each other with superconducting line, and prevents from preventing insulated paint from falling off from superconducting line at -269 DEG C；The group of adhesive-layer
Include at according to parts by weight：100 parts of resorcinol resin, 10 parts of nanometer sodium hydroxide, 5 parts of poly- phthalein amine, 7 parts of three salt
Base lead sulfate, 15 parts of silica flour, 4 parts of quinoline and 5 parts of carbon black；
(5) it paints：On the superconducting line surface that gluing terminates, uniformly one layer of insulated paint of coating, obtained superconductor electromagnetic wire insulate
The thickness of layer is 0.5mm, and insulated paint is that polyester-imide paint and polyamidoimide paint mix, polyester-imide paint and polyamide
The ratio of acid imide paint is 4:6；It needs the uniformity mixed to the two to be detected before carrying out insulated paint smearing, prevents two
Person's mixing is uneven；It first paints to the copper wire of superconductor front end before painting to superconducting line, then according to copper wire
The effect of japanning is adjusted, and is then painted again to superconducting line, to effectively embrace the uniformity for ensureing superconducting line japanning；
(6) it bakes：The superconductor electromagnetic wire terminated to japanning using baker is baked, and it is 80 to adjust temperature at toaster entrance
DEG C, the temperature of middle is 560 DEG C, and the temperature in exit is 100 DEG C；Uniformly rise to middle temperature at baker inner opening,
Middle uniformly declines to outlet temperature；
(7) cooling：It is air-cooled that the superconductor electromagnetic wire progress terminated will be baked, until being cooled to room temperature；
(8) take-up：Together by the cooling superconductor electromagnetic wire coiling terminated.
Comparative example：A kind of production method of superconductor electromagnetic wire, is as follows：
(1) superconduction wire bonding：The both ends of superconducting line are welded to the copper wire of same size, the rear end welding of a copper wire is super wherein
Conducting wire carries out the welding of copper wire and superconducting line successively later；First by superconducting line and the welding ends of copper wire when being welded
It polishes, the oxide layer on surface is polished clean, then welding ends is wiped using alcohol, the surface of welding ends is beaten
It grinds the powder generated and impurity wipes out, improve welding quality；Welding falls the extra Partial Shear of weld after terminating,
Then shearing part is wiped using alcohol, wipes out the dirt on surface；
(2) superconducting line unwrapping wire：Unwrapping wire processing is carried out to superconducting line using paying out machine, first to super when carrying out superconducting line unwrapping wire
The copper wire of conducting wire front end carries out unwrapping wire processing, the adjustment of the unwrapping wire pulling force of paying out machine is carried out according to the unwrapping wire quality of copper wire, then
Unwrapping wire processing is carried out to superconducting line again, can ensure the unwrapping wire quality of superconducting line in this way, prevent that superconducting line is caused to waste, and
After being operated by welding, continuous switching free of discontinuities can be carried out between copper wire and superconducting line, improves processing efficiency；
(3) it anneals：Continuous annealing is carried out to superconducting line between superconducting line carries out gluing so that superconducting line is constantly in exceptionally straight shape
State so that superconducting line carries out that when gluing more uniform glue-line can be coated；The temperature annealed when annealing is controlled at 500 DEG C, is protected
Warm 70min, is air-cooled to room temperature later；
(4) it paints：On superconducting line surface, uniformly one layer of insulated paint of coating, obtained superconductor electromagnetic wire, the thickness of insulating layer are
0.5mm, insulated paint are that polyester-imide paint and polyamidoimide paint mix, polyester-imide paint and polyamidoimide paint
Ratio is 4:6；It needs the uniformity mixed to the two to be detected before carrying out insulated paint smearing, prevents the two mixing uneven
It is even；It first paints to the copper wire of superconductor front end before painting to superconducting line, the effect then painted according to copper wire
It is adjusted, then paints again to superconducting line, to effectively embrace the uniformity for ensureing superconducting line japanning；
(5) it bakes：The superconductor electromagnetic wire terminated to japanning using baker is baked, and it is 65 to adjust temperature at toaster entrance
DEG C, the temperature of middle is 545 DEG C, and the temperature in exit is 90 DEG C；Uniformly rise to middle temperature at baker inner opening, in
Between uniformly decline to outlet temperature；
(6) cooling：It is air-cooled that the superconductor electromagnetic wire progress terminated will be baked, until being cooled to room temperature；
(7) take-up：Together by the cooling superconductor electromagnetic wire coiling terminated.
The superconductor electromagnetic wire produced in embodiment one, embodiment two, embodiment three and comparative example is intercepted into one end sample
Product carry out insulation paint tack experiment；Test temperature is reduced and causes -269 DEG C, stretching coiling then is carried out to superconductor electromagnetic wire,
Superconductor electromagnetic wire is subjected to four times of windings, elongation percentage 20%；Then it separately takes one group of sample to carry out rapidly breaking test, will surpass
Conductor electromagnetic wire is rapidly broken；Superconductor electromagnetic wire after two groups of experiments is detected, is obtained as shown in Table 1
Test result；
The comparing result of superconductor electromagnetic wire prepared by 1 each embodiment and comparative example of table
| Group | Embodiment one | Embodiment two | Embodiment three | Comparative example |
| Stretch coiling experiment | Insulating layer does not crack | Insulating layer does not crack | Insulating layer does not crack | Insulating layer cracks |
| Rapidly breaking test | Insulating layer does not crack | Insulating layer does not crack | Insulating layer does not crack | Insulating layer cracks |
It is relatively obtained by upper table, in embodiment one to embodiment three between the insulating layer and superconductor of superconductor electromagnetic wire obtained
Have a good adhesion, and in comparative example between the insulating layer and superconductor of superconductor electromagnetic wire obtained adhesion compared with
Difference.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of production method of superconductor electromagnetic wire, it is characterised in that：Include the following steps：
(1) superconduction wire bonding：The both ends of superconducting line are welded to the copper wire of same size, the rear end welding of a copper wire is super wherein
Conducting wire carries out the welding of copper wire and superconducting line successively later；
(2) superconducting line unwrapping wire：Unwrapping wire processing is carried out to superconducting line, first to superconduction line front end when carrying out superconducting line unwrapping wire
Copper wire carries out unwrapping wire processing, and the adjustment of unwrapping wire pulling force is carried out according to the unwrapping wire quality of copper wire, then carries out unwrapping wire to superconducting line again
Processing；
(3) it anneals：The temperature that superconducting line is annealed when annealing is controlled at 450~550 DEG C, is kept the temperature 60~80min, is air-cooled to room later
Temperature；
(4) gluing：Adhesive-layer is uniformly coated on the surface of superconducting line, the thickness of adhesive-layer is 0.2mm；The composition of adhesive-layer is pressed
Include according to parts by weight：100 parts of resorcinol resin, 10 parts of nanometer sodium hydroxide, 5 parts of poly- phthalein amine, 7 parts of tribasic sulphur
Lead plumbate, 15 parts of silica flour, 4 parts of quinoline and 5 parts of carbon black；
(5) it paints：On the superconducting line surface that gluing terminates, uniformly one layer of insulated paint of coating, obtained superconductor electromagnetic wire insulate
The thickness of layer is 0.5mm, and insulated paint is that polyester-imide paint and polyamidoimide paint mix, polyester-imide paint and polyamide
The ratio of acid imide paint is 4:6；
(6) it bakes：Superconductor electromagnetic wire is baked, the adhesive-layer of smearing and insulated paint are dried；It is baked when adjusting initial
Temperature is 50~80 DEG C, and interlude temperature is 530~560 DEG C, and end time temperature is 80~100 DEG C；To centre when initial
Time-temperature uniformly rises, and interlude uniformly declines to end time temperature；
(7) take-up：Together by superconductor electromagnetic wire coiling.
2. the production method of superconductor electromagnetic wire according to claim 1, it is characterised in that：To copper in the step (1)
Line and superconducting line first polish the welding ends of superconducting line and copper wire before being welded, and the oxide layer on surface are polished dry
Only.
3. the production method of superconductor electromagnetic wire according to claim 2, it is characterised in that：By copper in the step (1)
Line and the polishing of superconducting line welding ends wipe welding ends using alcohol after terminating, and the surface of welding ends is polished and is generated
Powder and impurity wipe out.
4. the production method of superconductor electromagnetic wire according to claim 1, it is characterised in that：Described (1) welds end
The extra Partial Shear of weld is fallen afterwards, then shearing part is wiped using alcohol, wipes out the dirt on surface.
5. the production method of superconductor electromagnetic wire according to claim 1, it is characterised in that：To super in the step (3)
Conducting wire carries out continuous annealing so that superconducting line is constantly in exceptionally straight state.
6. the production method of superconductor electromagnetic wire according to claim 1, it is characterised in that：In the step (5) into
Both row insulated paint needs the uniformity mixed to polyester-imide paint and polyamidoimide paint to be detected before smearing, prevent
It mixes uneven.
7. the production method of superconductor electromagnetic wire according to claim 1, it is characterised in that：Right in the step (5)
Superconducting line first paints to the copper wire of superconductor front end before being painted, and the effect then painted according to copper wire is adjusted
It is whole, then paint again to superconducting line.
8. the production method of superconductor electromagnetic wire according to claim 1, it is characterised in that：It is right after the step (6)
The progress of superconductor electromagnetic wire is air-cooled, air-cooled to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810431615.8A CN108648881B (en) | 2018-05-08 | 2018-05-08 | The production method of superconductor electromagnetic wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111834050A (en) * | 2020-06-30 | 2020-10-27 | 西部超导材料科技股份有限公司 | Painting method of superconducting wire |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610328A (en) * | 2012-02-28 | 2012-07-25 | 无锡友方电工有限公司 | Manufacturing method of polyvinyl acetal enameled NbTi/Cu superconducting wire |
| CN102779580A (en) * | 2012-07-04 | 2012-11-14 | 华北电力大学 | Circular section composite superconducting line based on rare-earth barium-copper-oxide (ReBCO) coating superconductor and niobium-titanium (NbTi) low temperature superconductor |
| CN106910573A (en) * | 2017-03-23 | 2017-06-30 | 中国东方电气集团有限公司 | A kind of electrophoretic coating insulating method of high-temperature superconductor band |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610328A (en) * | 2012-02-28 | 2012-07-25 | 无锡友方电工有限公司 | Manufacturing method of polyvinyl acetal enameled NbTi/Cu superconducting wire |
| CN102779580A (en) * | 2012-07-04 | 2012-11-14 | 华北电力大学 | Circular section composite superconducting line based on rare-earth barium-copper-oxide (ReBCO) coating superconductor and niobium-titanium (NbTi) low temperature superconductor |
| CN106910573A (en) * | 2017-03-23 | 2017-06-30 | 中国东方电气集团有限公司 | A kind of electrophoretic coating insulating method of high-temperature superconductor band |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834050A (en) * | 2020-06-30 | 2020-10-27 | 西部超导材料科技股份有限公司 | Painting method of superconducting wire |
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Address after: 300300 Siwei Road, economic development zone, Dongli District, Tianjin Patentee after: Tianjin Jingda Enamelled Wire Co.,Ltd. Address before: 300300 Siwei Road, economic development zone, Dongli District, Tianjin Patentee before: TIANJIN JINGDA REA SPECIAL ENAMELLED WIRE Co.,Ltd. |
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