CN100545965C - The preparation method of high-temperature superconductor inductance and the high-temperature superconductor inductance and the application thereof that make - Google Patents
The preparation method of high-temperature superconductor inductance and the high-temperature superconductor inductance and the application thereof that make Download PDFInfo
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- CN100545965C CN100545965C CNB2006100227129A CN200610022712A CN100545965C CN 100545965 C CN100545965 C CN 100545965C CN B2006100227129 A CNB2006100227129 A CN B2006100227129A CN 200610022712 A CN200610022712 A CN 200610022712A CN 100545965 C CN100545965 C CN 100545965C
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Abstract
The invention discloses a kind of high Q value high-temperature superconductor inductance, and preparation method thereof, and the application in high-temperature superconductor resonance high-voltage source.The coil of described high-temperature superconductor inductance is that multilayer or one deck solenoid type twine, or combine by a plurality of or a single cake-shaped high-temperature superconductive inductance coil units in series, or combine, or combine by a plurality of or two cake-shaped high-temperature superconductive inductance coil unit and a plurality of or single cake-shaped high-temperature superconductive inductance coil units in series by a plurality of or two cake-shaped high-temperature superconductive inductance coil units in series.Utilize coil winding machine or manual mode, will with solenoid or single cake formula or two cake formula structure, be wrapped on the coil rack,, make described high-temperature superconductor inductance again through cured through the high temperature super conductive conductor after insulation is handled.Compared with prior art, it is feasible, easy and simple to handle that the present invention prepares, and is applied in the high-temperature superconductor resonance high-voltage source, cooperates to utilize to assemble voltage Superposition again, can produce the infinite height amplitude voltage.
Description
Technical field
The invention belongs to electronic technology field, particularly a kind of preparation method of high Q value high-temperature superconductor inductance, the high-temperature superconductor inductance that makes in view of the above, and the application of this high-temperature superconductor inductance in high-temperature superconductor resonance high-voltage source.
Background technology
Owing to utilize the inductance of ordinary copper wire-wound system to have higher internal resistance, in resonant circuit, limited the Q value of circuit, and in side circuit, can't form higher high pressure.The development of high temperature superconducting materia, but the long lead preferably of production prehensile.Utilize high temperature super conductive conductor, can design and produce inductance with high Q value.Use the high-temperature superconductor inductance, resonant circuit and generation high pressure that can the high Q value of simple realization.
Publication number is CN 1725612A, and the patent of invention of " a kind of high-voltage generating device " by name discloses a kind of low-voltage dc power supply and R-C-L series resonant circuit of mainly utilizing and produced high-tension device.But this patented technology is when reality is used, because the restriction of high-temperature superconductor inductance dielectric strength in simple resonance circuit, can't actually obtain high voltage arbitrarily.
Summary of the invention
Purpose of the present invention is exactly at the deficiencies in the prior art, providing a kind of prepares the high temperature super conductive conductor that utilizes feasible and easy and simple to handle and prepares the method for high Q value high-temperature superconductor inductance, and the high-temperature superconductor inductance of preparation in view of the above, and the high-temperature superconductor electric induction that makes is used for a kind of high-temperature superconductor resonance high-voltage source that produces unlimited high pressure of constituting by low-tension supply, resonant circuit and controllable high-voltage switch and the formula charging capacitor of assembling.
For achieving the above object, technical scheme of the present invention is as follows:
The preparation method of high-temperature superconductor inductance is: choose above-mentioned high temperature super conductive conductor, be used to prepare the coil of high-temperature superconductor inductance.The high temperature super conductive conductor of choosing is carried out insulation processing, can adopt insulating tape to twine the mode of parcel, or when high temperature super conductive conductor twines, above or below high temperature super conductive conductor, add insulating tape, or high temperature super conductive conductor carried out that surface insulation lacquer is smeared etc.Described insulating tape can be a Cape Town film band, or has the Cape Town film band of epoxy resin film, or glass fiber tape etc.; Can also adopt enamel insulated wire, or yarn bag lacquer line etc. is as the insulation processing material.To carry out coiling through the described high temperature super conductive conductor after insulation is handled, be about to this high temperature super conductive conductor with solenoid or single cake formula or many cakes formula structure, be wrapped on the coil rack, obtain the solenoid type coil, or the coil that constitutes by single cake-shaped high-temperature superconductive inductance coil unit, or the coil that constitutes by two cake-shaped high-temperature superconductive inductance coils unit, or the coil that constitutes by single cake-shaped high-temperature superconductive inductance coil unit and two cake-shaped high-temperature superconductive inductance coil unit.The winding method of two cake-shaped high-temperature superconductive inductance coils unit is, utilize the high temperature super conductive conductor of insulation processing, with the mid point is symmetric points, under the condition of the high temperature super conductive conductor that do not fracture, oppositely twine, formation is equivalent to two cake-shaped high-temperature superconductive inductance coils unit of two single cake-shaped high-temperature superconductive inductance coil units in series, and adds insulating barrier between two cakes.Two cake-shaped high-temperature superconductive inductance coils unit with respect to the advantage of single cake-shaped high-temperature superconductive inductance coil unit is, owing to connect for high temperature super conductive conductor between two cakes, so reduced resistance than the connection between two single cake-shaped high-temperature superconductive inductance coil unit, and then reduced the resistance contact during multiple unit is connected.Described coiling mode can be manual mode or utilize automatic or manual coil winding machine coiling etc., and wherein the material of coil rack can be a bakelite, or polyester fiber, or nylon etc.When described insulating tape adopts Cape Town film band with epoxy resin film, after described high temperature super conductive conductor carried out described insulation processing, the coil of the high-temperature superconductor inductance that described coiling is good or unit coil carry out vacuum high-temperature to be handled, and obtains the effect of insulation and coil integrally curing between good line; When described insulating tape adopts Cape Town film band or glass fiber tape, after described high temperature super conductive conductor carried out described insulation processing, the coil or the unit coil of the high-temperature superconductor inductance that described coiling is good carry out resin or varnish immersion treatment, form the effect of coil insulation and integrally curing.After above-mentioned cured, obtain described high-temperature superconductor inductance.To sum up, utilize automatic or manual coil winding machine or manual mode, will with solenoid or single cake formula or two cake formula structure, be wrapped on the coil rack,, form described high-temperature superconductor inductance again through cured through the high temperature super conductive conductor after insulation is handled.
According to above-mentioned preparation method, make a kind of high-temperature superconductor inductance with high Q value, its coil is made of high temperature super conductive conductor, and coil is that solenoid type twines, and the winding number of plies is greater than one deck or equals one deck; Or by combining more than or equal to a single cake-shaped high-temperature superconductive inductance coil units in series; Or by combining more than or equal to two cake-shaped high-temperature superconductive inductance coil units in series; Or by combining more than or equal to two cake-shaped high-temperature superconductive inductance coil unit with more than or equal to a single cake-shaped high-temperature superconductive inductance coil units in series.
Described high temperature super conductive conductor can be multicore or the single core high temperature super conductive conductor with metal wrapping structure, or based on high temperature super conductive conductor of plated film high temperature super conductive conductor prepared etc.; High temperature super conductive conductor can single use or many in parallel uses.Multi-core high temperature superconducting lead with metal wrapping structure can be (Bi, Pb)
2Sr
2Ca
2Cu
3O
10+xThe multi-core high temperature superconducting lead, or (Bi, Pb)
2Sr
2Ca
1Cu
2O
8-xMulti-core high temperature superconducting lead, or MgB
2Multicore metal jacket superconductivity wire etc.; Single core high temperature super conductive conductor with metal wrapping structure can be (Bi, Pb)
2Sr
2Ca
2Cu
3O
10+xSingle core high temperature super conductive conductor, or (Bi, Pb)
2Sr
2Ca
1Cu
2O
8-xSingle core high temperature super conductive conductor, or MgB
2Single core metal jacket superconductivity wire etc.; High temperature super conductive conductor based on plated film high temperature super conductive conductor prepared can be Y
1Ba
2Cu
3O
7-x/ matrix etc.
Several for the actual high temperature super conductive conductor of selecting for use: (1) utilize the preparation of powder tubulature technology (Bi, Pb)
2Sr
2Ca
2Cu
3O
10+x(T
c～110K) or (Bi, Pb)
2Sr
2Ca
1Cu
2O
8-x(T
c～85K) metal jacket lead also is the silver-colored lead of Bi (Pb) SrCaCuO (Bi-2223/Ag or Bi-2212/Ag) bismuth system cover.Its conductor structure is that (cross section is as～3mm * 0.3mm) usually for single core or multicore ribbon conductor.Multicore cable has better practical characteristic, has very high critical engineering current density, J
e～10
4A/cm
2-77K.(2) yttrium is plated film lead-Y
1Ba
2Cu
3O
7-x/ matrix, i.e. Y-123/ matrix (T
c～92K) plated film lead.Its main basic preparation technology has two kinds: (IBAD technology) superconductivity wire of plated film on the separator on the base band (substrate); (RABiTS technology) goes up the superconductivity wire of plated film at the auxiliary biaxial texture substrate (Ni) of rolling.This class lead has the critical current density higher than (1), J
e～10
5A/cm
2-77K.(3) magnesium diboride metal jacket superconductivity wire-MgB
2(T
c～39K).The operation of this lead needs lower temperature, as utilizes the liquid hydrogen cooling scheme.
Described high temperature super conductive conductor has insulating tape to twine parcel outward, or when high temperature super conductive conductor twines, is added with insulating tape above or below high temperature super conductive conductor, or the high temperature super conductive conductor surface scribbles insulating varnish.Described insulating tape can be a Cape Town film band, or has the Cape Town film band of epoxy resin film, or glass fiber tape etc.The coil of described high-temperature superconductor inductance is wound on the coil rack by the high temperature super conductive conductor that is added with insulating tape, and the material of coil rack can be a bakelite, or polyester fiber, or nylon etc.When insulating tape adopted Cape Town film band with epoxy resin film, the coil of high-temperature superconductor inductance was the coil of handling through vacuum high-temperature; When insulating tape adopted Cape Town film band or glass fiber tape, the coil of high-temperature superconductor inductance was the coil through resin or varnish immersion treatment.
Described high-temperature superconductor inductance has high-temperature superconductor inductive current lead-in wire, is made of high temperature super conductive conductor single line or many single line parallel connections, is used for being connected between high-temperature superconductor inductance and normal temperature terminals, and purpose is the thermal losses and the resistance of minimizing inductive-system; Prepare described high-temperature superconductor inductive current lead-in wire and should select the material with low heat conductivity and high critical current for use, its critical current should be greater than the critical current of described high-temperature superconductor inductance.
With a described high-temperature superconductor inductance and current detecting and control circuit, a square-wave pulse source, a resistance, the individual charging capacitor of n (n＞1), two groups of electronic switches, every group has n electronic switch respectively, constitutes high-temperature superconductor resonance high-voltage source jointly; The anode in square-wave pulse source is connected with resistance, high-temperature superconductor inductance, negative terminal connects current detecting and control circuit, wherein an end of one group of electronic switch set is connected with the high-temperature superconductor inductance, one end of another group electronic switch set is connected with control circuit with current detecting, the two ends of n the charging capacitor of another termination of first bit switch in two groups of electronic switches, the two ends of n-1 the charging capacitor of another termination of second bit switch ... the two ends of another first charging capacitor of termination of n bit switch; Utilize described high-temperature superconductor inductance to constitute high Q value L-C circuit series resonant circuit, produce high pressure, utilize the mode of assembling to carry out the high pressure stack again, form the infinite height potential source.When electric current was null value, capacitance voltage obtained maximum.The variation of current detecting and control circuit monitoring current, cut-off switch when electric current is the positive slope null value, this moment, capacitance voltage was a maximum, all Conversion of energy is a capacitance voltage.Then first unlatching of two groups of switches before this, n charging capacitor inserts in the L-C loop, the variation of current detecting and control circuit monitoring current, first bit synchronization of two groups of switches is turn-offed when electric current is the positive slope null value, obtains voltage VC1 on n charging capacitor; Second of two groups of switches unlatching again, n-1 charging capacitor inserts in the L-C loop, and second bit synchronization of two groups of switches is turn-offed when electric current is the positive slope null value, obtains voltage VC2 on n-1 charging capacitor; ....Just can obtain total voltage with this is: V=V1+V2+....+Vn, the quantity that increases electronic switch and charging capacitor can obtain high voltage arbitrarily.
Perhaps with a described high-temperature superconductor inductance and current detecting and control circuit, a square-wave pulse source, a resistance, charging capacitor quantity is greater than 1, no maximum, two groups of electronic switches, every group has the quantity of electronic switch and the quantity of charging capacitor to equate respectively, constitutes high-temperature superconductor resonance high-voltage source jointly; The anode in square-wave pulse source is connected with resistance, high-temperature superconductor inductance, negative terminal connects current detecting and control circuit, wherein an end of one group of electronic switch set is connected with the high-temperature superconductor inductance, one end of another group electronic switch set is connected with control circuit with current detecting, the two ends of another last charging capacitor of termination of first bit switch in two groups of electronic switches, the two ends of another termination penult charging capacitor of second bit switch ... the two ends of another first charging capacitor of termination of last bit switch; Utilize described high-temperature superconductor inductance to constitute high Q value L-C circuit series resonant circuit, produce high pressure, utilize the mode of assembling to carry out the high pressure stack again, form the infinite height potential source.When electric current was null value, capacitance voltage obtained maximum.The variation of current detecting and control circuit monitoring current, cut-off switch when electric current is the positive slope null value, this moment, capacitance voltage was a maximum, all Conversion of energy is a capacitance voltage.Then first unlatching of two groups of switches before this, last charging capacitor inserts in the L-C loop, the variation of current detecting and control circuit monitoring current, first bit synchronization of two groups of switches is turn-offed when electric current is the positive slope null value, in the end obtains voltage VC1 on a charging capacitor; Second of two groups of switches unlatching again, penult charging capacitor insert in the L-C loop, and second bit synchronization of two groups of switches is turn-offed when electric current is the positive slope null value, obtain voltage VC2 on the penult charging capacitor; ....Just can obtain total voltage with this is: V=V1+V2+....+Vn, the quantity that increases electronic switch and charging capacitor can obtain high voltage arbitrarily.
Utilize current detecting and control circuit that charging capacitor voltage is realized obtaining arbitrarily, can obtain the voltage and current of infinite height in theory.Wherein, the quantity of charging capacitor can be set by the voltage of required generation, and generally speaking, desired voltage is high more, and charging capacitor quantity is many more.Control circuit adopts Single-chip Controlling, utilizes the side controller realization just of high-temperature superconductor resonance high-voltage source to produce and assembles required fundamental voltage.Utilize described high-temperature superconductor inductance and the described high-temperature superconductor resonance high-voltage source that assembles the preparation of voltage superimposing technique needing to can be used for any situation of very high voltage, for example can be used for the test of power equipment insulating material partial discharge, electric material and electronic component insulating properties detect; Or as the charge power supply of a kind of magnet, inductance coil or electric capacity; Or be used for the teaching test demonstration relevant etc. with electronic circuit or high-temperature superconductor.
Described high-temperature superconductor inductance removes and adopts MgB in use
2Multicore metal jacket superconductivity wire, or MgB
2Outside the coil of single core metal jacket superconductivity wire as described high-temperature superconductor inductance, described high-temperature superconductor inductance is placed the Dewar cryogenic box, adopt the refrigerating fluid cooling, or the refrigeration machine cooling; Described Dewar cryogenic box has the vacuum insulation interlayer, and the material of described Dewar cryogenic box can be non-metal glass steel (being the compound of glass fibre and epoxy resin), or stainless steel etc.; Described refrigerating fluid is any refrigerant liquid that boiling point is lower than the high-temperature superconductor critical temperature, can be liquid nitrogen, or liquid hydrogen, or liquid neon, or liquid argon etc.When adopting the refrigerating fluid cooling, in the Dewar cryogenic box refrigerating fluid is housed, described high-temperature superconductor inductance cooled liquid in the Dewar cryogenic box surrounds; When adopting the refrigeration machine cooling, the space of dress refrigerating fluid becomes vacuum chamber in the Dewar cryogenic box.Perhaps described high-temperature superconductor inductance places the liquid nitrogen container that is added with adiabatic liner to cool off, the material of the shell of described liquid nitrogen container can be a glass steel or stainless steel etc., the material of adiabatic liner can be high-density foam plastics etc., liquid nitrogen is housed as refrigerating fluid in the described liquid nitrogen container, described high-temperature superconductor inductance is surrounded by liquid nitrogen in liquid nitrogen container.When adopting MgB
2Multicore metal jacket superconductivity wire, or MgB
2Single core metal jacket superconductivity wire is during as the coil of described high-temperature superconductor inductance, and described high-temperature superconductor inductance places the Dewar cryogenic box, adopts the liquid hydrogen cooling, or the refrigeration machine cooling.
Compared with prior art, the invention has the beneficial effects as follows: utilize high temperature super conductive conductor to prepare the high-temperature superconductor inductance of high Q value, prepare feasible, easy and simple to handle, be applied in the humorous vibration source of described high-temperature superconductor, cooperate again to utilize to assemble voltage Superposition, can produce infinite height amplitude voltage and electric current.
Description of drawings
Fig. 1 is that high temperature super conductive conductor adopts insulating tape to twine the schematic diagram that the mode of wrapping up is carried out insulation processing.
Fig. 2 adds the tile schematic diagram of insulation processing of insulating tape above high temperature super conductive conductor.
Fig. 3 adds the tile schematic diagram of insulation processing of insulating tape below high temperature super conductive conductor.
Fig. 4 is the schematic diagram by the high-temperature superconductor inductance of several-layer solenoid mode winding around preparation.
Fig. 5 is overlooking and generalized section of single cake-shaped high-temperature superconductive inductance coil unit.
Fig. 6 is overlooking and generalized section of two cake-shaped high-temperature superconductive inductance coil unit.
Fig. 7 is high-temperature superconductor inductance refrigerating fluid cooling principle figure.
Fig. 8 is high-temperature superconductor inductance refrigeration machine cooling principle figure.
Fig. 9 is that the high-temperature superconductor inductance utilizes liquid nitrogen container cooling principle figure.
Figure 10 is that high-temperature superconductor electric induction is used for the unlimited high pressure in high-temperature superconductor resonance high-voltage source and obtains the schematic diagram of enforcement.
Figure 11 is that high-temperature superconductor electric induction is used for high-temperature superconductor resonance high-voltage source output voltage and time relation schematic diagram.
Number in the figure is as follows:
1 high temperature super conductive conductor, 2 insulating tapes
3 coil racks, 4 high-temperature superconductor inductive currents lead-in wire
5 Dewar cryogenic boxes, 6 single cake-shaped high-temperature superconductive inductance coil unit
7 pairs of cake-shaped high-temperature superconductive inductance coil unit 8 refrigeration machines
9 vacuum insulation interlayers, 10 refrigerating fluids
11 vacuum chambers, 12 shells
13 adiabatic liner L high-temperature superconductor inductance
u
sSquare-wave pulse source R resistance
S
1, S
2Two groups of electronic switch C
1, C
2... C
88 charging capacitors
Wherein among Figure 10: t1......t8 represents the number of times of electronic switching respectively, and V1......V8 represents the multiple relation signal that the output voltage after the electronic switching increases respectively.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are further described.
As Fig. 1, Fig. 4, Fig. 8, Figure 10, shown in Figure 11.Choose utilize powder tubulature technology preparation (Bi, Pb)
2Sr
2Ca
2Cu
3O
10+x(T
c～110K) the single use of multicore metal jacket lead is as high temperature super conductive conductor 1.This high temperature super conductive conductor 1 is carried out insulation processing, twine parcel with insulating tape 2, this insulating tape 2 is the Cape Town film band with epoxy resin film.Utilize automatic coil winding machine to carry out coiling the high temperature super conductive conductor after this insulation processing 1, promptly on coil rack 3, carry out solenoid type and twine, twine 3 layers altogether; The material of this coil rack 3 is a bakelite.Coil after the coiling is carried out vacuum high-temperature handle, i.e. cured obtains the coil of described high-temperature superconductor inductance L then.Prepared high-temperature superconductor inductance L has high-temperature superconductor inductive current lead-in wire 4, is made of 1 high temperature super conductive conductor 1 single line, is used for being connected between high-temperature superconductor inductance L and normal temperature terminals.The high-temperature superconductor inductance L that makes is placed Dewar cryogenic box 5, cool off with refrigeration machine 8, in Dewar cryogenic box 5, what surround this high-temperature superconductor inductance L is vacuum chamber 11; The material of this Dewar cryogenic box 5 is nonmetal fiberglass, has vacuum insulation interlayer 9.
With the high-temperature superconductor inductance L of prepared 331 milihenries and current detecting and control circuit, voltage is 10 volts square-wave pulse source u
s, resistance value is 400 ohm a resistance R, the charging capacitor of 220 nanofarads is totally 8 C
1, C
2... C
8, two groups of electronic switch S
1, S
2, every group has 8 electronic switches respectively, constitutes high-temperature superconductor resonance high-voltage source jointly; Square-wave pulse source u
sAnode connect with resistance R, high-temperature superconductor inductance L, negative terminal connects current detecting and control circuit, wherein one group of electronic switch set S
2An end connect another group electronic switch set S with the high-temperature superconductor inductance L
1An end connect two groups of electronic switch S with control circuit with current detecting
1, S
2In the 8th charging capacitor C of another termination of first bit switch
8Two ends, the 7th charging capacitor C of another termination of second bit switch
7Two ends ... first charging capacitor of another termination C of the 8th bit switch
1Two ends; The resonance frequency of the circuit that this high-temperature superconductor resonance high-voltage source is constituted is
Conspicuous, the voltage of single charging capacitor can produce 5000 volts high pressure during resonance, adopts 8 charging capacitor C
1, C
2... C
8The method that assembles can obtain high pressure more than 40 kilovolts at output.
As Fig. 1, Fig. 4, Fig. 7, Figure 10, shown in Figure 11.The place identical with embodiment 1 be repeated description no longer, and difference is:
Choose utilize powder tubulature technology preparation (Bi, Pb)
2Sr
2Ca
2Cu
3O
10+x(T
c～110K) single core metal jacket lead is as high temperature super conductive conductor 1.Utilize automatic coil winding machine to carry out coiling the high temperature super conductive conductor after the insulation processing 1, promptly on coil rack 3, carry out solenoid type and twine, twine 1 layer altogether.The high-temperature superconductor inductance L that makes is placed Dewar cryogenic box 5, cool off with refrigerating fluid 10, in Dewar cryogenic box 5, what surround this high-temperature superconductor inductance L is liquid argon; The material of this Dewar cryogenic box 5 is nonmetal fiberglass, has vacuum insulation interlayer 9.
Prepared high-temperature superconductor inductance L is applied in the high-temperature superconductor resonance high-voltage source square-wave pulse source u in this high-temperature superconductor resonance high-voltage source
sInternal resistance be 0.33 ohm, then the terminal voltage of single charging capacitor can reach 47 kilovolts during resonance, adopts 8 charging capacitor C
1, C
2... C
8The method that assembles can obtain 376 kilovolts high pressure at output.
As Fig. 2, Fig. 6, shown in Figure 7.Choose utilize powder tubulature technology preparation (Bi, Pb)
2Sr
2Ca
1Cu
2O
8-x(T
c～85K) three parallel connections of multicore metal jacket lead are used as high temperature super conductive conductor 1.This high temperature super conductive conductor 1 is carried out insulation processing, promptly when high temperature super conductive conductor 1 twines, add insulating tape 2 above high temperature super conductive conductor 1, this insulating tape 2 is a Cape Town film band.The manual coil winding machine of coiling utilization of this high temperature super conductive conductor 1 carries out, carrying out two cake formulas on coil rack 3 twines, promptly utilize the high temperature super conductive conductor 1 of insulation processing, with the mid point is symmetric points, under the condition of high temperature super conductive conductor 1 that do not fracture, oppositely twine, form the two cake-shaped high-temperature superconductive inductance coils unit 7 that is equivalent to 6 series connection of two single cake-shaped high-temperature superconductive inductance coil unit, and between two cakes, add insulating barrier; Have 2 two cake-shaped high-temperature superconductive inductance coil unit 7 of coiling altogether, their tandem compounds form the coil of high-temperature superconductor inductance L; The material of this coil rack 3 is a polyester fiber.Coil after the coiling is carried out the resin immersion treatment, i.e. cured obtains the coil of described high-temperature superconductor inductance L then.Prepared high-temperature superconductor inductance L has high-temperature superconductor inductive current lead-in wire 4, is made of the 1 single line parallel connection of 2 high temperature super conductive conductors, is used for being connected between high-temperature superconductor inductance L and normal temperature terminals.The high-temperature superconductor inductance L that makes is placed Dewar cryogenic box 5, cool off with refrigerating fluid 10, in Dewar cryogenic box 5, what surround this high-temperature superconductor inductance L is liquid nitrogen; The material of this Dewar cryogenic box 5 is a stainless steel, has vacuum insulation interlayer 9.
With the high-temperature superconductor inductance L of prepared 331 milihenries and current detecting and control circuit, voltage is 10 volts square-wave pulse source u
s, resistance value is 400 ohm a resistance R, the charging capacitor of 220 nanofarads is totally 6 C
1, C
2... C
6, two groups of electronic switch S
1, S
2, every group has 6 electronic switches respectively, constitutes high-temperature superconductor resonance high-voltage source jointly; Square-wave pulse source u
sAnode connect with resistance R, high-temperature superconductor inductance L, negative terminal connects current detecting and control circuit, wherein one group of electronic switch set S
2An end connect another group electronic switch set S with the high-temperature superconductor inductance L
1An end connect two groups of electronic switch S with control circuit with current detecting
1, S
2In the 6th charging capacitor C of another termination of first bit switch
6Two ends, the 5th charging capacitor C of another termination of second bit switch
5Two ends ... first charging capacitor of another termination C of the 6th bit switch
1Two ends; The resonance frequency of the circuit that this high-temperature superconductor resonance high-voltage source is constituted is
Conspicuous, the voltage of single charging capacitor can produce 5000 volts high pressure during resonance, adopts 6 charging capacitor C
1, C
2... C
6The method that assembles can obtain high pressure more than 30 kilovolts at output.
As Fig. 6, shown in Figure 7.The place identical with embodiment 3 be repeated description no longer, and difference is: choose utilize the preparation of powder tubulature technology (Bi, Pb)
2Sr
2Ca
1Cu
2O
8-x(T
c～85K) single core metal jacket lead is as high temperature super conductive conductor 1.This high temperature super conductive conductor 1 is carried out insulation processing, promptly high temperature super conductive conductor 1 is carried out the surface insulation lacquer and smear.The manual coil winding machine of coiling utilization of this high temperature super conductive conductor 1 carries out, and carries out two cake formulas and twine on coil rack 3, and 1 two cake-shaped high-temperature superconductive inductance coil unit 7 of coiling form the coil of high-temperature superconductor inductance L altogether.Coil after the coiling is carried out the varnish immersion treatment.The high-temperature superconductor inductance L that makes is placed Dewar cryogenic box 5, and what surround this high-temperature superconductor inductance L is liquid neon.
As Fig. 3, Fig. 5, shown in Figure 9.Choose the IBAD technology of utilizing, i.e. plated film on the separator on the base band (substrate), the plated film lead-Y of preparation
1Ba
2Cu
3O
7-x/ matrix, i.e. Y-123/ matrix (T
c～92K) 2 parallel connections of plated film superconductivity wire are used as high temperature super conductive conductor 1.This high temperature super conductive conductor 1 is carried out insulation processing, promptly when high temperature super conductive conductor 1 twines, add insulating tape 2 below high temperature super conductive conductor 1, this insulating tape 2 is a glass fiber tape.This high temperature super conductive conductor 1 is carried out manual coiling, on coil rack 3, carry out single cake formula and twine, form single cake-shaped high-temperature superconductive inductance coil unit 6; Have 5 single cake-shaped high-temperature superconductive inductance coils of coiling unit 6 altogether, their tandem compounds form the coil of high-temperature superconductor inductance L; The material of this coil rack 3 is a nylon.Coil after the coiling is carried out the resin immersion treatment, i.e. cured obtains the coil of described high-temperature superconductor inductance L then.Prepared high-temperature superconductor inductance L has high-temperature superconductor inductive current lead-in wire 4, is made of the 1 single line parallel connection of 2 high temperature super conductive conductors, is used for being connected between high-temperature superconductor inductance L and normal temperature terminals.Place the liquid nitrogen container that is added with adiabatic liner 13 to cool off the high-temperature superconductor inductance L that makes, what surround this high-temperature superconductor inductance L in liquid nitrogen container is liquid nitrogen; The material of its shell 12 is a fiberglass, and the material of adiabatic liner 13 is the high-density foam plastics.
With the high-temperature superconductor inductance L of prepared 331 milihenries and current detecting and control circuit, voltage is 10 volts square-wave pulse source u
s, resistance value is 400 ohm a resistance R, the charging capacitor of 220 nanofarads is totally 4 C
1, C
2, C
3, C
4, two groups of electronic switch S
1, S
2, every group has 4 electronic switches respectively, constitutes high-temperature superconductor resonance high-voltage source jointly; Square-wave pulse source u
sAnode connect with resistance R, high-temperature superconductor inductance L, negative terminal connects current detecting and control circuit, wherein one group of electronic switch set S
2An end connect another group electronic switch set S with the high-temperature superconductor inductance L
1An end connect two groups of electronic switch S with control circuit with current detecting
1, S
2In the 4th charging capacitor C of another termination of first bit switch
4Two ends, the 3rd charging capacitor C of another termination of second bit switch
3Two ends ... first charging capacitor of another termination C of the 4th bit switch
1Two ends; The resonance frequency of the circuit that this high-temperature superconductor resonance high-voltage source is constituted is
Conspicuous, single charging capacitor can produce 5000 volts high pressure during resonance, adopts 4 charging capacitor C
1, C
2, C
3, C
4The method that assembles can obtain high pressure more than 20 kilovolts at output.
As Fig. 3, Fig. 5, shown in Figure 8.The place identical with embodiment 5 be repeated description no longer, and difference is: choose the RABiTS technology of utilizing, promptly go up plated film, the plated film lead-Y of preparation at the auxiliary biaxial texture substrate (Ni) of rolling
1Ba
2Cu
3O
7-x/ matrix, i.e. Y-123/ matrix (T
c～92K) the plated film superconductivity wire is as high temperature super conductive conductor 1.This high temperature super conductive conductor 1 is carried out manual coiling, carry out single cake formula and twine on coil rack 3,1 single cake-shaped high-temperature superconductive inductance coil of coiling unit 6 forms the coil of high-temperature superconductor inductance L altogether.Coil after the coiling is carried out the varnish immersion treatment.Place the liquid nitrogen container that is added with adiabatic liner 13 to cool off the high-temperature superconductor inductance L that makes, the material of its shell 12 is a stainless steel.The high-temperature superconductor inductance L that makes is placed Dewar cryogenic box 5, cool off with refrigeration machine 8, in Dewar cryogenic box 5, what surround this high-temperature superconductor inductance L is vacuum chamber 11; The material of this Dewar cryogenic box 5 is nonmetal fiberglass, has vacuum insulation interlayer 9.
As Fig. 3, Fig. 5, Fig. 6, shown in Figure 7.The place identical with embodiment 5 be repeated description no longer, and difference is: choose magnesium diboride multiple core metal jacket superconductivity wire-MgB
2(T
c～39K) as high temperature super conductive conductor 1.This high temperature super conductive conductor 1 is carried out coiling on coil rack 3, have 2 single cake-shaped high-temperature superconductive inductance coils of coiling unit 6 and 1 two cake-shaped high-temperature superconductive inductance coil unit 7 altogether, their tandem compounds form the coil of high-temperature superconductor inductance L.The high-temperature superconductor inductance L that makes is placed Dewar cryogenic box 5, cool off with refrigerating fluid 10, in Dewar cryogenic box 5, what surround this high-temperature superconductor inductance L is liquid hydrogen; The material of this Dewar cryogenic box 5 is nonmetal fiberglass, has vacuum insulation interlayer 9.
As Fig. 3, Fig. 5, Fig. 6, shown in Figure 8.The place identical with embodiment 5 be repeated description no longer, and difference is: choose magnesium diboride list core metal jacket superconductivity wire-MgB
2(T
c～39K) as high temperature super conductive conductor 1.This high temperature super conductive conductor 1 is carried out coiling on coil rack 3, have 1 single cake-shaped high-temperature superconductive inductance coil of coiling unit 6 and 2 two cake-shaped high-temperature superconductive inductance coil unit 7 altogether, their tandem compounds form the coil of high-temperature superconductor inductance L.The high-temperature superconductor inductance L that makes is placed Dewar cryogenic box 5, cool off with refrigeration machine 8, in Dewar cryogenic box 5, what surround this high-temperature superconductor inductance L is vacuum chamber 11; The material of this Dewar cryogenic box 5 is a stainless steel, has vacuum insulation interlayer 9.
Claims (10)
1. the preparation method of a high-temperature superconductor inductance, it is characterized in that: preparation method's step of described high-temperature superconductor inductance is as follows:
(1) chooses high temperature super conductive conductor (1), be used to prepare the coil of high-temperature superconductor inductance (L);
(2) high temperature super conductive conductor of choosing (1) is carried out insulation processing, adopt insulating tape (2) to twine the mode of parcel, or when high temperature super conductive conductor (1) twines, above or below high temperature super conductive conductor (1), add insulating tape (2), or high temperature super conductive conductor (1) is carried out the surface insulation lacquer smear;
(3) high temperature super conductive conductor (1) after handling through insulation is carried out coiling, with this high temperature super conductive conductor (1) with solenoid or single cake formula or many cakes formula structure, be wrapped on the coil rack (3), obtain the solenoid type coil, or the coil that constitutes by single cake-shaped high-temperature superconductive inductance coil unit (6), or the coil that constitutes by two cake-shaped high-temperature superconductive inductance coils unit (7), or by the coil of single cake-shaped high-temperature superconductive inductance coil unit (6) and two cake-shaped high-temperature superconductive inductance coil unit (7) formation;
(4) when insulating tape (2) adopted Cape Town film band with epoxy resin film, the coil of the high-temperature superconductor inductance (L) that coiling is good or unit coil carry out vacuum high-temperature to be handled; When insulating tape (2) adopted Cape Town film band or glass fiber tape, the coil or the unit coil of the high-temperature superconductor inductance (L) that coiling is good carried out resin or varnish immersion treatment;
(5) after above-mentioned cured, obtain described high-temperature superconductor inductance (L).
2. the high-temperature superconductor inductance that high-temperature superconductor inductance preparation method according to claim 1 makes, for having the high-temperature superconductor inductance (L) of high Q value, it is characterized in that: the coil of described high-temperature superconductor inductance (L) is made of high temperature super conductive conductor (1), the coil of high-temperature superconductor inductance (L) is that solenoid type twines, and the winding number of plies is greater than one deck or equals one deck; Or by forming more than or equal to single cake-shaped high-temperature superconductive inductance coil unit (6) tandem compound; Or by forming more than or equal to two cake-shaped high-temperature superconductive inductance coil unit (7) tandem compound; Or by forming more than or equal to two cake-shaped high-temperature superconductive inductance coil unit (7) with more than or equal to single cake-shaped high-temperature superconductive inductance coil unit (6) tandem compound.
3. high-temperature superconductor inductance according to claim 2 is characterized in that: high temperature super conductive conductor (1) is multicore or the single core high temperature super conductive conductor with metal wrapping structure, or based on the high temperature super conductive conductor of plated film high temperature super conductive conductor prepared; High temperature super conductive conductor (1) can single use or many in parallel uses.
4. high-temperature superconductor inductance according to claim 3 is characterized in that: described multi-core high temperature superconducting lead with metal wrapping structure be (Bi, Pb)
2Sr
2Ca
2Cu
3O
10+xThe multi-core high temperature superconducting lead, or (Bi, Pb)
2Sr
2Ca
1Cu
2O
8-xMulti-core high temperature superconducting lead, or MgB
2Multicore metal jacket superconductivity wire; Described single core high temperature super conductive conductor with metal wrapping structure be (Bi, Pb)
2Sr
2Ca
2Cu
3O
10+xSingle core high temperature super conductive conductor, or (Bi, Pb)
2Sr
2Ca
1Cu
2O
8-xSingle core high temperature super conductive conductor, or MgB
2Single core metal jacket superconductivity wire; Described high temperature super conductive conductor based on plated film high temperature super conductive conductor prepared is Y
1Ba
2Cu
3O
7-x/ matrix.
5. according to the arbitrary described high-temperature superconductor inductance of claim 2-4, it is characterized in that: high temperature super conductive conductor (1) is outer to have insulating tape (2) to twine parcel, or when high temperature super conductive conductor (1) twines, above or below high temperature super conductive conductor (1), be added with insulating tape (2), or high temperature super conductive conductor (1) surface scribbles insulating varnish.
6. high-temperature superconductor inductance according to claim 5 is characterized in that: insulating tape (2) is a Cape Town film band, or has the Cape Town film band of epoxy resin film, or glass fiber tape; The coil of high-temperature superconductor inductance (L) is wound on the coil rack (3) by the high temperature super conductive conductor that is added with insulating tape (2) (1), and the material of coil rack (3) is a bakelite, or polyester fiber, or nylon.
7. high-temperature superconductor inductance according to claim 6 is characterized in that: when insulating tape (2) adopted Cape Town film band with epoxy resin film, the coil of high-temperature superconductor inductance (L) was the coil of handling through vacuum high-temperature; When insulating tape (2) adopted glass fiber tape, the coil of high-temperature superconductor inductance (L) was the coil through resin or varnish immersion treatment.
8. as the application of claim 2 or 3 or 4 described high-temperature superconductor inductance: with a high-temperature superconductor inductance (L) and a current detecting and control circuit, a square-wave pulse source (u
s), a resistance (R), the individual charging capacitor (C of n (n＞1)
1, C
2... C
n), two groups of electronic switch (S
1, S
2), every group has n electronic switch respectively, constitutes high-temperature superconductor resonance high-voltage source jointly; Square-wave pulse source (u
s) anode connect with resistance (R), high-temperature superconductor inductance (L), negative terminal connects current detecting and control circuit, wherein one group of electronic switch set (S
2) an end connect another group electronic switch set (S with high-temperature superconductor inductance (L)
1) an end connect two groups of electronic switch (S with control circuit with current detecting
1, S
2) in n charging capacitor (C of another termination of first bit switch
n) two ends, n-1 charging capacitor (C of another termination of second bit switch
N-1) two ends ... first charging capacitor of another termination (C of n bit switch
1) two ends; Utilize high-temperature superconductor inductance (L) to constitute high Q value L-C series resonant circuit, produce high pressure, utilize the mode of assembling to carry out the high pressure stack again, form the infinite height potential source.
9. the application of high-temperature superconductor inductance according to claim 8 is characterized in that: described high-temperature superconductor inductance (L) removes and adopts MgB in use
2Multicore metal jacket superconductivity wire, or MgB
2Outside the coil of single core metal jacket superconductivity wire as high-temperature superconductor inductance (L), high-temperature superconductor inductance (L) places the Dewar cryogenic box (5) with vacuum insulation interlayer (9), adopt refrigerating fluid (10) cooling or refrigeration machine (8) cooling, or high-temperature superconductor inductance (L) places the liquid nitrogen container that is added with adiabatic liner (13) to cool off; Described refrigerating fluid (10) is a liquid nitrogen, or liquid hydrogen, or liquid neon, or liquid argon.
10. the application of high-temperature superconductor inductance according to claim 8 is characterized in that: described high-temperature superconductor inductance (L) in use, when adopting MgB
2Multicore metal jacket superconductivity wire, or MgB
2Single core metal jacket superconductivity wire is during as the coil of high-temperature superconductor inductance (L), and high-temperature superconductor inductance (L) places the Dewar cryogenic box (5) with vacuum insulation interlayer (9), adopts refrigeration machine (8) cooling, or the liquid hydrogen cooling.
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| CN101447325B (en) * | 2007-11-27 | 2011-05-11 | 电子科技大学 | High-temperature superconductor high-voltage transformer for serving as low current high-voltage power and application thereof |
| CN101458989B (en) * | 2007-12-14 | 2011-07-20 | 电子科技大学 | High temperature superconductive large current transformer and application thereof |
| CN102693824A (en) * | 2012-06-21 | 2012-09-26 | 武汉大学 | Three-phase superconductive variable-leakage-reactance controlled electric reactor |
| CN113707402B (en) * | 2021-08-31 | 2022-06-07 | 西北有色金属研究院 | MgB2Preparation method of superconducting solenoid coil |
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| CN1787121A (en) * | 2005-10-18 | 2006-06-14 | 电子科技大学 | Composite high temp. superconducting wire, high temp. superconducting DC transmitting cable and high temp. superconducting DC stransmitting system |
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