CN102723161A - Solenoid coil of ceramic framework superconducting magnet - Google Patents
Solenoid coil of ceramic framework superconducting magnet Download PDFInfo
- Publication number
- CN102723161A CN102723161A CN2012102374772A CN201210237477A CN102723161A CN 102723161 A CN102723161 A CN 102723161A CN 2012102374772 A CN2012102374772 A CN 2012102374772A CN 201210237477 A CN201210237477 A CN 201210237477A CN 102723161 A CN102723161 A CN 102723161A
- Authority
- CN
- China
- Prior art keywords
- coil
- superconducting
- superconducting magnet
- ceramic
- end plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention relates to a solenoid coil of a ceramic framework superconducting magnet. The solenoid coil is formed by tightly winding superconducting lines on a coil framework by turns and layers, wherein the coil framework is formed by a tubular core cylinder and end plates positioned at both ends of the core cylinder; the coil framework is made of nanocrystalline complex phase processable ceramic materials containing a second phase of hexagonal boron nitride; a binding layer is arranged outside the superconducting magnet coil; a solidified filling material is filled in a gap of the superconducting magnet coil; the solidified filling material is low-temperature polyurethane modified epoxy resin material doped with spherical ceramic particles; a positioning blind hole is arranged on the outer side of the end plate of the coil framework; the end plate of the coil framework is provided with a diagonal outlet hole; the position of the outlet hole on the inner side of the end plate is corresponding to that of a superconducting line in the superconducting coil; the direction of the outlet hole is the same as the winding tangential direction of the superconducting line in the superconducting coil; the superconducting line passes through the end plate of the framework through the outlet hole, and leads to the outside of the coil framework. The solenoid coil can be used for preparing Nb3Sn, NbTi and other superconducting coils.
Description
Technical field
The present invention relates to a kind of superconducting magnet coil, particularly a kind of cryogenic liquid medium that is applicable to soaks the ceramic skeleton superconducting magnet solenoid coil of the type of cooling.
Background technology
Superconducting magnet has advantages such as energy consumption is low, volume is little, in light weight; Can in large space, produce high-intensity magnetic field and consumed power hardly; Thereby be a large amount of researches in new high-tech, the research platform that can not be substituted like creation such as controlled thermonuclear reaction, biomedicine, space science, high-energy physics, materials processing, magnetohydrodynamic generations.
Superconducting magnet system mainly is made up of three parts such as superconducting magnet coil, refrigeration and cryogenic device, electric measurement and controls.Wherein, superconducting magnet coil is the core component of superconducting magnet system, thereby the generation of high-intensity magnetic field is exactly a superconducting magnet coil at low temperature is in that under the superconducting state the two poles of the earth energising produces.According to the different demands to the Distribution of Magnetic Field form, superconducting magnet coil possesses multiple shape,, saddle type tubular like helical, cheese etc.Wherein, the superconducting magnet coil range of application of solenoid shape is the most extensive.Superconducting magnet coil need be wound on the coil rack by superconducting line and accomplish.Superconducting magnet framework plays the effect of carrying superconducting magnet coil winding, locus, location, conduction low temperature cold, fixing other electric components in magnet system.The condition of choosing of superconducting magnet framework material is: need possess higher strength and toughness, can stand cold cycling and impact, thermal conductivity at cryogenic temperatures can be good, no ferromagnetism.
At present, the superconducting coil skeleton mainly is prepared into by metal materials such as copper alloy, aluminium alloys, and its advantage is that the strength of materials is high, processing characteristics is good.But, make and to stop between superconducting line and the skeleton electric short circuit to take place through insulation processing between superconducting coil and the skeleton because metal alloy itself has conductivity.Insulation processing can adopt skeleton to apply insulating coating or pad insulation lamella is accomplished.But in the actual winding process of superconducting magnet coil,, the problem of insulation breakdown occurs, cause the serious consequence of magnet coil global failure through regular meeting especially at the position of superconducting line turnover coil rack.In addition, metal alloy also must have nonmagnetic fully as the superconducting coil framework material, otherwise can cause unexpected interference to the design Distribution of Magnetic Field of magnet.But often in framework material, can accident have magnetic, destroy magnetic field.Do not possess magnetic such as some brass alloys itself, but through after the local welding processing, material internal undergoes phase transition, and changes into to have faint magnetic, the manufacturing of magnet is caused negative effect.Especially at Nb
3In the Sn low-temperature superconducting coil technology of preparing, the selection standard of framework material is complicated more harsh.Because Nb
3Sn superconducting line self special technical characteristics need be carried out diffusion heat treatments with coil together with skeleton and make coil possess superconductivity after the superconducting coil coiling finish.Heat treatment temperature is up to 600 ~ 700 ℃, and heat treatment time reaches 7 ~ 20 days even longer.In the face of so harsh heat-treat condition, can not adopt the lower material of fusing point such as aluminium alloy, copper alloy and fiberglass or softening temperature as Nb
3Sn superconducting coil skeleton can only adopt such as the so resistant to elevated temperatures structural material of stainless steel material.But stainless steel material is that as the shortcoming of framework material its heat conductivility is relatively poor, and the inner local temperature rise of magnet can not blaze abroad through skeleton very soon, has increased the magnet quenching possibility.
In sum, in the superconducting magnet build process, the superconducting coil skeleton and the superconducting magnet coil structure thereof of metal alloy material have certain disadvantages.Under demanding condition to insulation parameter, need a kind of novel superconducting magnet coil structure of exploitation, and the coil rack material.
Summary of the invention
The objective of the invention is to solve in the existing superconducting magnet coil structure metal material skeleton at the potential problems of insulation property with the magnetic existence; A kind of new superconductive magnet solenoid coil based on the ceramic material framework form is proposed, to satisfy the requirement of superconducting magnet to skeleton insulation property and magnetic.
Technical scheme of the present invention is following:
A kind of ceramic skeleton superconducting magnet solenoid coil, its coil rack material are pottery.Superconducting line pursues circle, successively closely is wound on the coil rack coiled superconducting magnet coil.Outside at superconducting magnet coil for the colligation layer, be full of curing filler material in the superconducting magnet coil gap between coil rack and colligation layer.
Wherein, coil rack is made up of straight tube-like core tube and the end plate that is positioned at core tube two ends.
Wherein, The end plate of coil rack is provided with oblique wire hole; Described wire hole in the inboard position of end plate corresponding to the residing position of superconducting line outlet in the superconducting coil; And the coiling tangential direction of the superconducting line outlet in the direction of wire hole and the superconducting coil is consistent, and described superconducting line passes the skeleton end plate through described wire hole, guides the coil rack outside into.Said structure has guaranteed that superconducting line goes out kinking damage and the wearing and tearing that superconducting line can not take place in the line process, has ensured the normal serviceability of superconducting line.
Wherein, the end plate of coil rack is provided with the location blind hole.Superconducting magnet coil is in the assembling process of low-temperature (low temperature) vessel, and with the nested assembling process of other coils in, all need the locus of accurate set winding.Can realize the accurate space orientation of coil through the described location blind hole that is arranged on the superconducting magnet coil end plate.
Wherein, the coil rack material selection contains the nanocrystalline complex phase processable ceramic of hexagonal boron nitride, and its parent phase ceramic material is aluminium oxide or aluminium nitride; Wherein second be nanocrystalline hexagonal boron nitride particles mutually, and disperse is distributed on the intragranular and crystal boundary of parent phase pottery.The crystal structure of hexagonal boron nitride is extremely similar with graphite, has the fusing point height, an excellent characteristic such as density is little, thermal coefficient of expansion is little, thermal conductivity is good, thermal shock resistance is good, electrical insulating property is good, dielectric constant and dielectric loss are little.And, with graphite-like seemingly, be the good soft material of a kind of processing characteristics behind the hexagonal boron nitride ceramic post sintering, the engineering ceramics parts that available metal cutter processing and preparing is complex-shaped.Test shows, the complex phase ceramic that contains certain proportion hexagonal boron nitride phase also shows good thermal shock resistance, corrosion resistance and machinability.Aluminium nitride ceramics has high thermal, and the theoretical thermal conductivity of its normal temperature can reach 300W/ (mK), and heat conductivity value is 25W/ (mK) when 45K, near 131K, has reached about 92W/ (mK).This explanation aluminium nitride is good heat carrier at low temperatures, because fabulous electrical insulation capability is arranged, is highly suitable for and is used as the insulating heat-conductive part in the superconductive system again.The alumina ceramic material excellent insulation performance, the class of insulation is high, light specific gravity, its density is 3.965g/cm
3, being merely the half the of stainless steel density, the low temperature that can alleviate magnet coil is cold heavy.And the heat conductivility of aluminium oxide ceramics also is superior to stainless steel; The conductive coefficient of stainless steel when 4K is merely 0.27W/mK; The conductive coefficient of 100K is merely 9.2W/mK, and the conductive coefficient the during 4K of alumina ceramic material is 0.49W/mK, and the conductive coefficient of 100K is 136W/mK.Therefore, choosing the nanocrystalline complex phase processable ceramic that contains hexagonal boron nitride can the strengthening material heat conductivility as the coil rack material, in time eliminates the quench possibility that local temperature rise causes.Complex phase processable ceramic is except possessing good heat conduction and electrical insulation capability, and its mechanical property is also very excellent.General ceramic material exists all that fragility is big, easy fracture, the shortcoming that is difficult to process.And multiple part cold working such as complex phase processable ceramic can stand random car, mills, boring, and easy fracture not, can stand requirement fully to the superconducting coil skeleton.For the nanocrystalline complex phase processable ceramic that contains hexagonal boron nitride that the present invention adopts, research shows the increase along with hexagonal boron nitride content, and processability improves, Vickers hardness descends, and fracture toughness also can improve.In addition, ceramic material at low temperatures the shrinkage coefficient be lower than metal material.When superconducting coil moves at low temperature environment, can make the outside coil banding skeleton of ceramic skeleton, under the electromagnetic force effect, produce the probability that quench takes place in fine motion thereby reduce superconducting magnet coil.Therefore, the nanocrystalline complex phase processable ceramic that contains the hexagonal boron nitride tissue is comparatively desirable superconducting coil framework material.
Wherein, curing filler material is the low temperature polyurethane modified epoxy resin material that is mixed with spherical ceramic particles, and its spherical ceramic particles is boron nitride or aluminium nitride.Because the thermal conductivity at cryogenic temperatures of the above-mentioned excellence that boron nitride or aluminium nitride possess ability, it can improve the thermal conductivity at cryogenic temperatures ability of epoxide resin material effectively.Low temperature polyurethane modified epoxy resin material is through the adjustment to material composition; Under utmost point low temperature environment, possessed higher cementitiousness and tensile shear strength; But the heat conductivility of epoxide resin material is general, and the admixture ceramic material is exactly the purpose that improves the material thermal conductivity ability in order to reach.The spherical ceramic particles diameter is the 50-300 micron, and the quality proportioning of spherical ceramic particles and low temperature polyurethane modified epoxy resin material is 1:6.
Wherein, A kind of method that is full of curing filler material in the superconducting magnet coil gap between coil rack and colligation layer is: brush liquid curing filler material in winding space while in the superconducting coil winding process, wind the line, in coil winding, accomplish the filling of full curing filler material; After finishing, coiling carries out cured.
Wherein, The another kind of method that is full of curing filler material in the superconducting magnet coil gap between coil rack and colligation layer is: in the coil winding process, be not cured the brushing of packing material; And after coil winding finishes and fixes; Adopt vacuum infusion techniques to superconducting coil gap filling liquid curing filler material again, and carry out cured.
Behind coiling, carry out heat treated Nb for needs
3Sn low-temperature superconducting coil then can not be brushed the liquid curing packing material in the limit around the limit, because curing filler material can not stand high-temperature heat treatment environment subsequently, can melt inefficacy.Therefore can only after coil winding finishes and fixes, place special-purpose steeper to carry out vacuum solidification packing material dipping again, the liquid curing packing material is flowed between the superconducting line slit in the coil, accomplish the curing filler material dipping.For need behind coiling, not carrying out heat treated NbTi low-temperature superconducting coil or high temperature superconductor coil, brush liquid curing filler material while can in the superconducting line winding process, wind the line, after finishing, coiling carries out cured.
Wherein, For the ceramic skeleton superconducting magnet solenoid coil that adopts the curing filler material vacuum infusion techniques; Evenly be placed with through hole on coil rack core tube and the end plate, on coil rack core tube, evenly be placed with groove vertically, and the through hole on the core tube be distributed in the groove.This structure is specifically designed to Nb
3The curing filler material dipping of Sn superconducting coil.Because Nb
3The Sn superconducting line needs after heat treatment, just can show superconductivity, and the superconducting line material itself is highly brittle and very easily loses after the heat treatment, need before heat treatment, accomplish Nb
3The Sn coil winding.Because curing filler material can lose efficacy, therefore must be cured the curing of packing material later on again in heat treatment under hot environment.Can pass the superconducting line layer smoothly in order to make curing filler material; Be penetrated into superconducting coil inside; So need many through holes and groove be set on the superconducting magnet coil skeleton, be convenient to the liquid curing packing material and flow between the superconducting line slit in the coil, accomplish the curing filler material dipping.
Characteristics of the present invention are: new ceramics structural material and special coil structural design are merged one, propose a kind of new superconducting magnet line solenoid coil structures.Can be used for Nb
3Sn, Nb
3The preparation of various superconducting coils such as Al, Nb Ti and other superconducting coils.This loop construction excellent insulation performance, and eliminated the hidden danger of skeleton magnetic.Framework material adopts the nanocrystalline complex phase processable ceramic that contains hexagonal boron nitride second phase, and high temperature heat-resistant is handled and the low temperature cold cycling is impacted, and possesses high strength and certain toughness.And the shrinkage coefficient is lower than metal material, can make coil banding skeleton at low temperatures, reduces the probability of superconducting coil fine motion quench under the electromagnetic force effect.Wherein, because this superconducting magnet coil structure adopts resistant to elevated temperatures ceramic material skeleton, be specially adapted to Nb
3During Sn superconducting coil high-temperature heat treatment to the requirement of skeleton material.
Description of drawings
Fig. 1 ceramic skeleton superconducting magnet line solenoid coil structures 1/2 schematic cross-section;
Ceramic skeleton embodiment one sketch map of Fig. 2 ceramic skeleton superconducting magnet solenoid coil;
Ceramic skeleton embodiment two sketch mapes of Fig. 3 ceramic skeleton superconducting magnet solenoid coil;
The outlet structure sketch map of Fig. 4 ceramic skeleton superconducting magnet solenoid coil end;
Fig. 5 ceramic skeleton superconducting magnet solenoid coil end plate location blind hole structure sketch map;
U (I) curve of Fig. 6 ceramic skeleton superconducting magnet solenoid coil energising of the present invention test.
Embodiment
Further specify the present invention below in conjunction with accompanying drawing and embodiment.
Fig. 1 is ceramic skeleton superconducting magnet line solenoid coil structures 1/2 schematic cross-section.As shown in Figure 1, the structure of superconducting magnet coil is respectively from the inside to the outside: coil rack, superconducting coil and colligation layer.The superconducting coil gap that is between coil rack and the colligation layer is full of curing filler material.Coil rack is made up of with the end plate that is positioned at core tube two ends the core tube of straight tube-like.The ceramic material that coil rack adopts is the nanocrystalline complex phase processable ceramic that contains hexagonal boron nitride second phase, and its parent phase ceramic material is aluminium oxide or aluminium nitride.Curing filler material is the low temperature polyurethane modified epoxy resin material that is mixed with spherical ceramic particles; The spherical ceramic particles material is boron nitride or aluminium nitride; The spherical ceramic particles diameter is the 50-300 micron, and the quality proportioning of spherical ceramic particles and low temperature polyurethane modified epoxy resin material is 1:6.
Fig. 2 is the sketch map of the ceramic skeleton embodiment one of ceramic skeleton superconducting magnet solenoid coil.This skeleton is applicable to the superconducting magnet coil that adopts the vacuum-impregnated curing mode of curing filler material, like Nb
3Sn, NbTi and other superconducting coils are specially adapted to Nb
3The Sn superconducting coil.Because Nb
3The Sn superconducting line needs after heat treatment, just to show superconductivity, and the superconducting line material itself is highly brittle and very easily loses after the heat treatment, need before heat treatment, accomplish Nb
3The Sn coil winding is with fixing.Because the basis material of curing filler material is an epoxy resin, it can lose efficacy under hot environment, therefore must be cured the vacuum impregnation curing of packing material in heat treatment later on again.In order to make curing filler material can immerse the superconducting line layer smoothly; Be penetrated into superconducting coil inside; On the core tube of coil rack and end plate, evenly be placed with through hole; On the core tube of coil rack, evenly be placed with groove vertically, and the through hole on the core tube is distributed in the groove, is convenient to the liquid curing packing material and flows.In addition, the end plate of this ceramic skeleton is provided with oblique wire hole, is used for the usefulness of the superconducting line turnover skeleton of superconducting coil.As shown in Figure 2.
Fig. 3 is the sketch map of the ceramic skeleton embodiment two of ceramic skeleton superconducting magnet solenoid coil.This skeleton is applicable to the superconducting magnet coil that does not adopt the vacuum-impregnated curing mode of curing filler material, like the coiling of NbTi and other superconducting coils.Since NbTi and other superconductions possess certain mould, toughness, can carry out coiling, and need after coiling, not heat-treat, so the dipping of curing filler material is in the process of superconducting line coiling successively, to accomplish simultaneously.So need on the superconducting magnet coil skeleton, not be designed for the through hole or the groove of curing filler material impregnation technology.The end plate of this ceramic skeleton is provided with oblique wire hole, is used for the usefulness of the superconducting line turnover skeleton of superconducting coil.As shown in Figure 3.
Fig. 4 is the outlet structure sketch map of ceramic skeleton superconducting magnet solenoid coil end.The end plate of coil rack is provided with oblique wire hole; Wire hole in the inboard position of end plate corresponding to the residing position of superconducting line outlet in the superconducting coil; And the coiling tangential direction of the superconducting line outlet in the direction of wire hole and the superconducting coil is consistent; Superconducting line passes the skeleton end plate through wire hole, guides the coil rack outside into.This structure has guaranteed that superconducting line goes out kinking damage and the wearing and tearing that superconducting line can not take place in the line process, has ensured the normal serviceability of superconducting coil.
Shown in Figure 5 is ceramic skeleton superconducting magnet solenoid coil end plate location blind hole structure sketch map.Superconducting magnet coil is in the assembling process of low-temperature (low temperature) vessel, and with the nested assembling process of other coils in, all need the locus of accurate set winding.Can accomplish the accurate space orientation of coil through the location blind hole that is arranged on the superconducting magnet coil end plate.
Embodiment 1:
The Nb of a ceramic skeleton of preparation
3Sn superconducting magnet solenoid coil adopts the mode of superconducting magnet solenoid coil ceramic skeleton embodiment one shown in Figure 2 to carry out.Adopt Nb of the present invention
3The completing steps of Sn superconducting magnet line solenoid coil structures is in proper order: adopt the Nb that the protection of refractory glass fibre insulating sleeve is arranged
3The Sn superconducting line carries out coil winding, at first with Nb
3Sn superconducting line one end passes the wire hole of the reservation of superconducting magnet coil end, is fixed on the piecing devices position of coil rack outside; Then with Nb
3The Sn superconducting line pursues circle, successively closely is wound on above the superconducting magnet coil skeleton; After coiling is accomplished with Nb
3Sn superconducting line leading-out terminal passes another wire hole that the superconducting magnet coil end is reserved, and is fixed on the piecing devices position of coil rack outside; On the core tube of coil rack and end plate, evenly be placed with through hole, on the core tube of coil rack, evenly be placed with groove vertically, and the through hole on the core tube be distributed in the groove; High-temperature insulation colligation layer in the outside colligation specific thicknesses of superconducting coil; With Nb
3Sn superconducting magnet coil integral body is heat-treated; Subsequently to Nb
3The Sn superconducting magnet coil is cured packing material dipping and cured; Treat that coil solidifies the preparation that ceramic skeleton superconducting magnet solenoid coil of the present invention is accomplished in the back that finishes.In the present embodiment, the coil rack material selection contains the nanocrystalline complex phase processable ceramic of hexagonal boron nitride second phase, and its parent phase ceramic material is an aluminium oxide, and second-phase dispersion is distributed on the intragranular and crystal boundary of parent phase pottery.Curing filler material is the low temperature polyurethane modified epoxy resin material that is mixed with the spherical boron nitride ceramic particle.The spherical ceramic particles diameter is 50 microns, and the quality proportioning of spherical ceramic particles and low temperature polyurethane modified epoxy resin material is 1:6.
Adopt ceramic skeleton superconducting magnet line solenoid coil structures of the present invention to prepare Nb
3Sn superconducting magnet solenoid coil, and place and carried out low temperature energising test in the liquid helium vessel.Fig. 6 is U (I) curve of this ceramic skeleton superconducting magnet solenoid coil energising test.Wherein, internal coil diameter 15mm, external diameter 24mm, long 30mm.Nb
3The naked diameter 0.9mm of Sn superconducting line, coil integral body is formed by the coiling of 5 layer of 137 circle superconducting line.Through experimental test, coil all reaches not quench of 490A with the forward and reverse excitation of 10A/s speed under 4T back of the body field condition, as shown in Figure 6, has shown good superconducting characteristic.
Embodiment 2:
The NbTi superconducting magnet solenoid coil of a ceramic skeleton of preparation adopts superconducting magnet solenoid coil ceramic skeleton embodiment two shown in Figure 3.Adopt the completing steps of NbTi superconducting coil structure of the present invention to be in proper order: at first the end with superconducting line passes the wire hole that the superconducting magnet coil end is reserved, and is fixed on the piecing devices position of coil rack outside; Then with superconducting line by circle, successively closely be wound on the superconducting magnet coil skeleton above.In the superconducting line coiling, the liquid curing packing material is evenly brushed above the lead of portion in coil, fill in the gap between the full coil inside superconducting line; After coiling is accomplished the superconducting line leading-out terminal is passed another wire hole that the superconducting magnet coil end is reserved, be fixed on the outside special setting position of coil rack; Insulated binding layer in the outside colligation specific thicknesses of superconducting coil; Treat that coil solidifies the preparation that ceramic skeleton superconducting magnet solenoid coil of the present invention is accomplished in the back that finishes.In the present embodiment, the framework material of superconducting magnet coil is chosen the nanocrystalline complex phase processable ceramic that contains hexagonal boron nitride second phase, and its parent phase ceramic material is an aluminium nitride, and its second-phase dispersion is distributed on the intragranular and crystal boundary of parent phase pottery.Curing filler material is the low temperature polyurethane modified epoxy resin material that is mixed with the spherical aluminum nitride ceramic particle.The spherical ceramic particles diameter is 50 microns, and the quality proportioning of spherical ceramic particles and low temperature polyurethane modified epoxy resin material is 1:6.This superconducting magnet solenoid coil internal diameter 15mm, external diameter 24mm, long 30mm.NbTi superconducting line insulation diameter 1.0mm, coil integral body is formed by the coiling of 5 layer of 148 circle superconducting line.Possessed good superconducting characteristic through low temperature energising test shows coil.
Embodiment 3:
The Nb of a ceramic skeleton of preparation
3Sn superconducting magnet solenoid coil.Preparation method, technological parameter are identical with embodiment 1 described method, and difference only is that curing filler material is the low temperature polyurethane modified epoxy resin material that is mixed with the spherical boron nitride ceramic particle, and spherical boron nitride ceramic particle diameter is 120 microns.This Nb
3Sn superconducting magnet solenoid coil has possessed good superconducting characteristic through low temperature energising test shows coil 490A quench not under 4T back of the body field condition.
Embodiment 4:
The Nb of a ceramic skeleton of preparation
3Sn superconducting magnet solenoid coil.Preparation method, technological parameter are identical with embodiment 1 described method, and difference only is that curing filler material is the low temperature polyurethane modified epoxy resin material that is mixed with the spherical boron nitride ceramic particle, and spherical boron nitride ceramic particle diameter is 300 microns.This Nb
3Sn superconducting magnet solenoid coil has possessed good superconducting characteristic through low temperature energising test shows coil 490A quench not under 4T back of the body field condition.
Embodiment 5:
The NbTi superconducting magnet solenoid coil of a ceramic skeleton of preparation; Preparation method, technological parameter are identical with embodiment 2 described methods; Difference only is that curing filler material is the low temperature polyurethane modified epoxy resin material that is mixed with the spherical aluminum nitride ceramic particle, and spherical aluminum nitride ceramic particle diameter is 300 microns.This superconducting magnet solenoid coil internal diameter 15mm, external diameter 24mm, long 30mm.NbTi superconducting line insulation diameter 1.0mm, coil integral body is formed by the coiling of 5 layer of 148 circle superconducting line.Possessed good superconducting characteristic through low temperature energising test shows coil.
Embodiment 6:
The NbTi superconducting magnet solenoid coil of a ceramic skeleton of preparation; Preparation method, technological parameter are identical with embodiment 2 described methods; Difference only is that curing filler material is the low temperature polyurethane modified epoxy resin material that is mixed with the spherical aluminum nitride ceramic particle, and spherical aluminum nitride ceramic particle diameter is 150 microns.This superconducting magnet solenoid coil internal diameter 15mm, external diameter 24mm, long 30mm.NbTi superconducting line insulation diameter 1.0mm, coil integral body is formed by the coiling of 5 layer of 148 circle superconducting line.Possessed good superconducting characteristic through low temperature energising test shows coil.
Claims (7)
1. ceramic skeleton superconducting magnet solenoid coil, it is characterized in that described superconducting magnet solenoid coil by superconducting line by circle, successively closely be wound on the coil rack and form; Described coil rack is made up of straight tube-like core tube and the end plate that is positioned at core tube two ends, and the coil rack material is a ceramic material; In described superconducting magnet coil disposed outside the colligation layer is arranged, be full of curing filler material in the superconducting magnet coil gap between coil rack and the colligation layer; The arranged outside of the end plate of described coil rack has the location blind hole; The end plate of described coil rack is provided with oblique wire hole; Corresponding to the residing position of superconducting line outlet in the superconducting coil, and the coiling tangential direction of the superconducting line outlet in the direction of wire hole and the superconducting coil is consistent in the inboard position of end plate for described wire hole; Described superconducting line passes the skeleton end plate through described wire hole, guides the coil rack outside into.
2. ceramic skeleton superconducting magnet solenoid coil according to claim 1; It is characterized in that the ceramic material that described coil rack adopts is the nanocrystalline complex phase processable ceramic that contains hexagonal boron nitride second phase, its parent phase ceramic material is aluminium oxide or aluminium nitride.
3. ceramic skeleton superconducting magnet solenoid coil according to claim 1 is characterized in that described curing filler material is the low temperature polyurethane modified epoxy resin material that is mixed with spherical ceramic particles.
4. ceramic skeleton superconducting magnet solenoid coil according to claim 3; It is characterized in that described spherical ceramic particles material is boron nitride or aluminium nitride; The spherical ceramic particles diameter is the 50-300 micron, and the mass ratio of spherical ceramic particles and low temperature polyurethane modified epoxy resin material is 1:6.
5. ceramic skeleton superconducting magnet solenoid coil according to claim 1; It is characterized in that evenly being placed with through hole on core tube and the end plate of described coil rack; On the core tube of coil rack, evenly be placed with groove vertically, and the through hole on the core tube is distributed in the groove.
6. ceramic skeleton superconducting magnet solenoid coil according to claim 1; It is characterized in that the method for filling curing filler material in the superconducting magnet coil gap between coil rack and colligation layer is: brush liquid curing filler material in described superconducting coil gap while in the superconducting coil winding process, wind the line, in the superconducting coil coiling, accomplish the filling of liquid curing packing material; After finishing, coiling carries out cured.
7. ceramic skeleton superconducting magnet solenoid coil according to claim 5; It is characterized in that the method for filling full curing filler material in the superconducting magnet coil gap between coil rack and colligation layer is: after the superconducting coil coiling finishes and be fixing; Through said through hole and groove described superconducting coil is carried out vacuum impregnation; The liquid curing packing material is filled the gap in the full superconducting coil, and cured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102374772A CN102723161B (en) | 2012-07-09 | 2012-07-09 | Solenoid coil of ceramic framework superconducting magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102374772A CN102723161B (en) | 2012-07-09 | 2012-07-09 | Solenoid coil of ceramic framework superconducting magnet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102723161A true CN102723161A (en) | 2012-10-10 |
| CN102723161B CN102723161B (en) | 2013-12-04 |
Family
ID=46948894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102374772A Active CN102723161B (en) | 2012-07-09 | 2012-07-09 | Solenoid coil of ceramic framework superconducting magnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102723161B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169364A (en) * | 2016-07-28 | 2016-11-30 | 郑洪华 | A kind of three winding single-circuit transformer and manufacture method thereof |
| CN106205990A (en) * | 2016-07-28 | 2016-12-07 | 郑洪华 | A kind of high reliability neutralizing transformer and manufacture method thereof |
| CN106252020A (en) * | 2016-07-29 | 2016-12-21 | 中国原子能科学研究院 | A kind of superconducting coil for superconducting cyclotron and coiling dipping method thereof |
| CN108597721A (en) * | 2018-04-08 | 2018-09-28 | 吴江市华安电器有限公司 | A kind of Polymer-filled |
| CN109361282A (en) * | 2018-11-19 | 2019-02-19 | 珠海格力电器股份有限公司 | Coil rack, bearing iron core, power part part, bearing and magnetic suspension motor |
| CN109545539A (en) * | 2019-01-22 | 2019-03-29 | 中国科学院电工研究所 | A kind of three tin superconducting wire circle production method of exoskeletal niobium |
| JP2020150240A (en) * | 2019-03-15 | 2020-09-17 | 株式会社東芝 | Superconducting coil and superconducting apparatus |
| CN113345674A (en) * | 2021-05-10 | 2021-09-03 | 中国原子能科学研究院 | Superconducting radial thick coil for superconducting cyclotron and winding and dipping method thereof |
| CN114300253A (en) * | 2021-12-17 | 2022-04-08 | 华中科技大学 | Method for reinforcing runway type superconducting coil |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1377046A (en) * | 2001-03-22 | 2002-10-30 | 三菱电机株式会社 | Electromagnetic spool device and manufacturing method thereof |
| CN1154127C (en) * | 1996-11-29 | 2004-06-16 | 太阳诱电株式会社 | Wire wound electronic component and method for manfacturing the same |
| CN1658343A (en) * | 2004-02-16 | 2005-08-24 | 特变电工股份有限公司 | Reinforcing device and method for high-temp superconducting coil |
| CN1933044A (en) * | 2005-09-05 | 2007-03-21 | 株式会社神户制钢所 | Bobbin for superconducting coil, and superconducting solenoid coil |
| CN102496439A (en) * | 2011-12-01 | 2012-06-13 | 西部超导材料科技有限公司 | Framework applied to superconductive solenoid magnet |
-
2012
- 2012-07-09 CN CN2012102374772A patent/CN102723161B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1154127C (en) * | 1996-11-29 | 2004-06-16 | 太阳诱电株式会社 | Wire wound electronic component and method for manfacturing the same |
| CN1377046A (en) * | 2001-03-22 | 2002-10-30 | 三菱电机株式会社 | Electromagnetic spool device and manufacturing method thereof |
| CN1658343A (en) * | 2004-02-16 | 2005-08-24 | 特变电工股份有限公司 | Reinforcing device and method for high-temp superconducting coil |
| CN1933044A (en) * | 2005-09-05 | 2007-03-21 | 株式会社神户制钢所 | Bobbin for superconducting coil, and superconducting solenoid coil |
| CN102496439A (en) * | 2011-12-01 | 2012-06-13 | 西部超导材料科技有限公司 | Framework applied to superconductive solenoid magnet |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169364A (en) * | 2016-07-28 | 2016-11-30 | 郑洪华 | A kind of three winding single-circuit transformer and manufacture method thereof |
| CN106205990A (en) * | 2016-07-28 | 2016-12-07 | 郑洪华 | A kind of high reliability neutralizing transformer and manufacture method thereof |
| CN106252020A (en) * | 2016-07-29 | 2016-12-21 | 中国原子能科学研究院 | A kind of superconducting coil for superconducting cyclotron and coiling dipping method thereof |
| CN108597721A (en) * | 2018-04-08 | 2018-09-28 | 吴江市华安电器有限公司 | A kind of Polymer-filled |
| CN109361282A (en) * | 2018-11-19 | 2019-02-19 | 珠海格力电器股份有限公司 | Coil rack, bearing iron core, power part part, bearing and magnetic suspension motor |
| CN109545539A (en) * | 2019-01-22 | 2019-03-29 | 中国科学院电工研究所 | A kind of three tin superconducting wire circle production method of exoskeletal niobium |
| CN109545539B (en) * | 2019-01-22 | 2020-07-17 | 中国科学院电工研究所 | Method for manufacturing frameless niobium-tin superconducting coil |
| JP2020150240A (en) * | 2019-03-15 | 2020-09-17 | 株式会社東芝 | Superconducting coil and superconducting apparatus |
| JP7191743B2 (en) | 2019-03-15 | 2022-12-19 | 株式会社東芝 | Superconducting coil and superconducting equipment |
| CN113345674A (en) * | 2021-05-10 | 2021-09-03 | 中国原子能科学研究院 | Superconducting radial thick coil for superconducting cyclotron and winding and dipping method thereof |
| CN114300253A (en) * | 2021-12-17 | 2022-04-08 | 华中科技大学 | Method for reinforcing runway type superconducting coil |
| CN114300253B (en) * | 2021-12-17 | 2023-02-14 | 华中科技大学 | Method for reinforcing runway type superconducting coil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102723161B (en) | 2013-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102723161B (en) | Solenoid coil of ceramic framework superconducting magnet | |
| CN102723162B (en) | Coil for stainless steel framed Nb3Sn superconducting solenoid | |
| Maeda et al. | Recent developments in high-temperature superconducting magnet technology | |
| Shin et al. | Effects of impregnating materials on thermal and electrical stabilities of the HTS racetrack pancake coils without turn-to-turn insulation | |
| Uglietti et al. | Development of HTS conductors for fusion magnets | |
| CN106059394B (en) | A method of magnetic suspension state is realized using Closed-loop Constant-current high temperature superconductor coil | |
| CN106158139A (en) | A kind of high-temperature superconductor CICC conductor and manufacture method thereof | |
| CN108461248A (en) | A kind of complex superconducting body coil | |
| Wang et al. | High temperature superconducting magnetic levitation | |
| CN103617860A (en) | Nb3Al superconduction connector | |
| CN201081803Y (en) | Resin dipped super-conducting magnetic coil with cooling layer | |
| CN103633529B (en) | A kind of Nb3Al superconducting joint preparation method | |
| CN207124095U (en) | The nonisulated superconducting coil of encapsulating | |
| RU2558117C1 (en) | Combined superconductor | |
| WO2016055491A2 (en) | Electrical machine | |
| JP2013247291A (en) | Superconducting coil device | |
| CN114005671B (en) | Adopts non-insulated MgB 2 Method for winding superconducting magnet by wire | |
| CN102509907A (en) | NbTi superconductor multi-core wire joint and preparation method thereof | |
| CN113113185A (en) | High-temperature superconducting cable structure | |
| US20130102473A1 (en) | Superconducting magnet and method of producing same | |
| Zhu et al. | Cold mass design of the superconducting outsert for the 40-T hybrid magnet | |
| JP2560561B2 (en) | Superconducting coil device | |
| CN115171974B (en) | Copper alloy reinforced superconducting tape, reinforcing method, superconducting coil and superconducting cable | |
| Nagashima et al. | Experimental investigation of high-temperature superconducting magnet for maglev | |
| CN111192748A (en) | Low-thermal coefficient high-frequency inductor structure and manufacturing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |