CN110047624A - A kind of superconduction cable - Google Patents
A kind of superconduction cable Download PDFInfo
- Publication number
- CN110047624A CN110047624A CN201910327645.9A CN201910327645A CN110047624A CN 110047624 A CN110047624 A CN 110047624A CN 201910327645 A CN201910327645 A CN 201910327645A CN 110047624 A CN110047624 A CN 110047624A
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- Prior art keywords
- cable core
- cable
- superconduction
- wire
- core
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B12/00—Superconductive or hyperconductive conductors, cables, or transmission lines
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
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- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
The present invention relates to superconductive cable line technology field more particularly to a kind of superconduction cables, including superconductivity wire and cable core, superconductivity wire to be spirally wound on cable core along the length direction of cable core, and cable core is solid and bent deformation.One or more superconductivity wire is wrapped on one or more cable core by superconduction cable of the invention, and every superconductivity wire is spirally wound on cable core along the extending direction of cable core, every superconductivity wire realizes that the entirety of cable can deformation due to the bent deformation of cable core, and cable core be it is solid in the case where hollow tubular cable core crooked process radius compared to the prior art greatly reduce, be conducive to the bending deformation application demand for adapting to a variety of actual conditions.
Description
Technical field
The present invention relates to superconductive cable line technology field more particularly to a kind of superconduction cables.
Background technique
Superconductor is because the characteristic of its without hindrance high current density can be widely applied to large scale electrical power unit, with green energy conservation
The continuous rise of environmental protection industry, the continuous improvement of superconducting tape performance, yield and stability will welcome high temperature superconducting materia
Large-scale application.Due to factors, the high-temperature superconductor band such as single high-temperature superconductor band critical current is limited, and stability is restricted
It is all using cable as basic application structure in many applications.
Having mature high-temperature superconductor cable at present is mainly direct current transportation application, in high-temperature superconductor electrical circuitry equipment, by
In geometrical condition constraint and efficiency requirements, cable is needed to work under small-bend radius, in high-temperature superconductive cable application,
End also needs cable and works under small-bend radius, and the cable core of existing cable is hollow tubular body, deposits in turning
Cause cable A.C.power loss big in the winding form of the big defect of crooked process radius, while high-temperature superconductor band, is unable to satisfy above
Application environment.
Summary of the invention
(1) technical problems to be solved
The technical problem to be solved by the present invention is to existing superconduction cables to have the defects that bending radius is big in turning, nothing
Method meet work requirements under small-bend radius the problem of.
(2) technical solution
It is described in order to solve the above-mentioned technical problems, the present invention provides a kind of superconduction cable, including superconductivity wire and cable core
Superconductivity wire is spirally wound on the cable core along the length direction of the cable core, and the cable core is that solid and bendable is sold off
Shape.
Wherein, the structure that the superconductivity wire is formed after winding on the cable core is center symmetrical structure, the center
The symmetrical centre of symmetrical structure is the middle line of cable core distribution.
Wherein, the cable core is more, and the more cable cores are arranged in parallel.
Wherein, when the superconductivity wire is one, the superconductivity wire is in the form of dextrorotation or derotation single turn are alternate pair
The cable core is wound by root.
It wherein, further include non-superconducting conducting wire when the cable core and the superconductivity wire are one, the non-superconducting is led
Line and the superconductivity wire are wrapped in parallel on the cable core, and the coil turn of the non-superconducting conducting wire is located at two neighboring described super
Between the coil turn of conducting wire.
Wherein, when the cable core is one, and the superconductivity wire is more, more superconductivity wires difference dextrorotations or
Derotation is alternately wrapped on the cable core by root.
Wherein, the cable core is single core or is that more core twistings are worked out.
Wherein, the surface of the cable core coats polyimides glue insulating layer.
Wherein, the core includes matrix line and signal wire.
Wherein, the superconductivity wire surface coats polyimides glue insulating layer.
(3) beneficial effect
Above-mentioned technical proposal of the invention has the advantages that superconduction cable of the invention by one or more superconductivity wire
It is wrapped on one or more cable core, and every superconductivity wire is spirally wound on cable core along the extending direction of cable core, often
Root superconductivity wire due to cable core it is bent deformation to realize cable entirety can deformation, and cable core be it is solid in the case where phase
Hollow tubular cable core crooked process radius compared with the prior art greatly reduces, and the bending deformation for being conducive to adapt to a variety of actual conditions is answered
Use demand.
In addition to it is described above present invention solves the technical problem that, constitute technical solution technical characteristic and have this
Except advantage brought by the technical characteristic of a little technical solutions, other technical characteristics of the invention and these technical characteristic brings
Advantage will be further illustrated in conjunction with attached drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one superconduction cable of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of two superconduction cable of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of three superconduction cable of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of four superconduction cable of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of five superconduction cable of the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the cable core of six superconduction cable of the embodiment of the present invention.
In figure: 1: superconductivity wire；2: cable core；3: core；4: non-superconducting conducting wire；5: polyimides glue insulating layer；31: matrix
Line；32: signal wire.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multiple groups " be meant that two or
Two or more, " several ", " several ", " several groups " are meant that one or more.
Embodiment one
As shown in figures 1 to 6, superconduction cable provided in an embodiment of the present invention, including superconductivity wire 1 and cable core 2, superconduction is led
Line 1 is spirally wound on cable core 2 along the length direction of cable core 2, and cable core 2 is solid and bent deformation.
One or more superconductivity wire is wrapped on one or more cable core by superconduction cable of the invention, and every super
Conducting wire is spirally wound on cable core along the extending direction of cable core, and every superconductivity wire is since the bent deformation of cable core is to real
The entirety of existing cable can deformation, and cable core be it is solid in the case where hollow tubular cable core crooked process radius compared to the prior art
It greatly reduces, is conducive to the bending deformation application demand for adapting to a variety of actual conditions.
Wherein, the structure that superconductivity wire 1 is formed after winding on cable core 2 is center symmetrical structure, centrosymmetric structure
Symmetrical centre is the middle line that cable core 2 is distributed.Centered on the structure that all superconductivity wires are formed after the completion of winding on all cable cores
Symmetrical structure has reached the transmitting balance of cable inner structure, and every superconductivity wire is different when forming centrosymmetric structure
Inside and outside transposition winding on cable core, therefore the case where also will form transposition between more superconductivity wires, thus every superconductivity wire exists
Transposition between the inside and outside transposition formed when winding on cable core or more superconductivity wires, can effectively reduce A.C.power loss, with this
Form the deformable high-temperature superconductor cable of low-loss.
Wherein, cable core 2 is more, and more cable cores 2 are arranged in parallel.When cable core is more, to guarantee cable core point
Cloth equilibrium keeps each cable core arranged in parallel, so that whole cable arrangement is symmetrical after winding for superconductivity wire.
Wherein, cable core 2 is single core 3 or is that more 3 twistings of core are worked out.The surface cladding polyamides of cable core 2 is sub-
Amine glue insulating layer 4.Cable core can be single core, be also possible to more core twisting establishment compositions.The material of core can be
Metal, including copper or aluminium or stainless steel；It is also possible to nonmetallic, including glass fibre or carbon fiber, the surface of cable core can have
Flexible material winding, such as polyimides glue insulating layer.
Wherein, 1 surface of superconductivity wire coats polyimides glue insulating layer 4.Superconductivity wire includes YBCO in the present invention
(Yttrium Barium Copper Oxide, yttrium oxide barium copper) high temperature super conductive conductor or other transition temperatures are higher than 40K's
Superconductivity wire.
Wherein, core 3 includes matrix line 31 and signal wire 32.The core of composition cable core can be divided into matrix line and letter substantially
Numbers two kinds of line, matrix line is cable core main body, generally conductive copper wire, and signal wire can be insulated copper wire, as voltage signal line,
It can be used as current signal line, i.e., have the insulated copper wire of a small coil at a certain distance；Signal wire can also be optical fiber, as temperature
Degree, strain signal line.
Cable core 2 is two in the present embodiment, and every cable core 2 is that two copper wire twistings are worked out to be formed, and superconductivity wire 1 is two
Root is YBCO high temperature super conductive conductor.First superconductivity wire is first on first cable core of 6mm in single diameter with screw pitch 10mm
After winding 4 circles, then on the cable core of second same specification same form of winding is carried out, then returns again to first cable core,
It is recycled and is wound with this, after second superconductivity wire first winds 4 circles on second cable core with screw pitch 10mm, then at first
Same form of winding is carried out on the cable core of same specification, second cable core is then returned again to, is recycled and be wound with this.Two
Superconductivity wire is not overlapped in entire winding process, reduces mutual electromagnetic coupling, increases cable critical current.
Embodiment two
As shown in Fig. 2, the present embodiment superconduction cable and above-described embodiment one are essentially identical, the difference is that superconductivity wire
1 is the YBCO high temperature super conductive conductor for being coated with polyimides glue insulating layer 4, and cable core 2 is cladding polyimides glue insulating layer 4, by
The cable core 2 that 3 twisting of the core establishment of carbon fiber is constituted.First superconductivity wire elder generation is with screw pitch 8mm in single diameter for 8mm first
After winding 2 circles on root cable core, then on the cable core of second same specification same form of winding is carried out, then returns again to first
Root cable core, is recycled with this and is wound, after second superconductivity wire first winds 2 circles on second cable core with screw pitch 8mm, then
Same form of winding is carried out on the cable core of first same specification, second cable core is then returned again to, is recycled and twined with this
Around.
Embodiment three
As shown in figure 3, the superconduction cable and above-described embodiment one of the present embodiment are essentially identical, the difference is that superconduction is led
Line 1 is one, and superconductivity wire 1 winds cable core 2 by root in the form of dextrorotation or derotation single turn are alternate.Superconductivity wire is first first
1 circle is wound with dextrorotation clockwise on root cable core, then 1 circle is wound with derotation counterclockwise in second cable core, then returns to first
Cable core is recycled with this and is wound, so that the face for contacting the superconductivity wire of cable core in cable is substituted, further decreases exchange
Loss.
Example IV
As shown in figure 4, the superconduction cable and above-described embodiment three of the present embodiment are essentially identical, the difference is that cable core 2
It is one, it further includes non-superconducting conducting wire 4 that superconductivity wire 1, which is also one, and non-superconducting conducting wire 4 and superconductivity wire 1 are wrapped in cable parallel
On core 2, the coil turn of non-superconducting conducting wire 4 is located between the coil turn of two neighboring superconductivity wire 1.The material of non-superconducting conducting wire can
To be metal, including copper or aluminium or stainless steel, it is also possible to nonmetallic including cotton, fiber crops, polyester, polyamide, polyacrylonitrile, poly-
Urethane or polytetrafluoroethylene (PTFE).Cable is that more copper wire twistings are worked out in the present embodiment, and superconductivity wire is super for YBCO high temperature
Conducting wire, non-superconducting conducting wire are copper strips, and the width of copper strips is 4mm.By and around between the coil turn of copper strips filling superconductivity wire
Gap, increase the mechanical stability of entire superconduction cable.
Embodiment five
As shown in figure 5, the superconduction cable and above-described embodiment four of the present embodiment are essentially identical, the difference is that superconduction is led
Line 1 is more, and dextrorotation or derotation are alternately wrapped on cable core 2 more superconductivity wires 1 by root respectively.Superconductivity wire in the present embodiment
For two YBCO high temperature super conductive conductors, cable core is that the core that two copper wire twistings are worked out merges the cable core to be formed,
First superconductivity wire is wound in the form of dextrorotation clockwise on cable core, second with superconductivity wire on cable core with anti-counterclockwise
The form of rotation is wound.By changing the geometry appearance of cable core by both threads core and together, become close to cuboid, favorably
Structural stability when carrying out magnet coiling.
Embodiment six
As shown in fig. 6, the superconduction cable and above-described embodiment one of the present embodiment are essentially identical, the difference is that cable core 2
It is formed for 31 twisting of the matrix line establishment by more copper wires as core 3, further comprises two signal wires 32 in core 3, one
For the induced voltage signal line that insulation copper wire is constituted, another ess-strain and temperature sensing line constituted for optical fiber.It is detecting
When the resistive voltage of the coil that cable is coiled into, it can connect and be reversely connected voltage signal line to bucking coil induced voltage, can pass through
The wavelength of optical signal and phase change are calculated the temperature and ess-strain of specific location in cable in detection fiber
Situation.
In conclusion one or more superconductivity wire is wrapped on one or more cable core by superconduction cable of the invention,
And every superconductivity wire is spirally wound on cable core along the extending direction of cable core, and every superconductivity wire is bent due to cable core
Deformation to realize cable entirety can deformation, and cable core be it is solid in the case where hollow tubular cable compared to the prior art
Core crooked process radius greatly reduces, and is conducive to the bending deformation application demand for adapting to a variety of actual conditions.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of superconduction cable, it is characterised in that: including superconductivity wire and cable core, the superconductivity wire is along the length of the cable core
Degree direction is spirally wound on the cable core, and the cable core is solid and bent deformation.
2. superconduction cable according to claim 1, it is characterised in that: shape after the superconductivity wire is wound on the cable core
At structure be center symmetrical structure, the symmetrical centre of the centrosymmetric structure is the middle line of cable core distribution.
3. superconduction cable according to claim 2, it is characterised in that: the cable core is more, and the more cable core phases
Mutually it is arranged in parallel.
4. superconduction cable according to claim 3, it is characterised in that: when the superconductivity wire is one, the superconduction
Conducting wire winds the cable core by root in the form of dextrorotation or derotation single turn are alternate.
5. superconduction cable according to claim 1, it is characterised in that: when the cable core and the superconductivity wire are one
When, it further include non-superconducting conducting wire, the non-superconducting conducting wire and the superconductivity wire are wrapped in parallel on the cable core, described non-super
The coil turn of conducting wire is located between the coil turn of the two neighboring superconductivity wire.
6. superconduction cable according to claim 1, it is characterised in that: when the cable core is one, the superconductivity wire is
At more, dextrorotation or derotation are alternately wrapped on the cable core the more superconductivity wires by root respectively.
7. superconduction cable according to claim 1, it is characterised in that: the cable core is single core or is that more cores are turned round
Strand is worked out.
8. superconduction cable according to claim 1, it is characterised in that: the surface cladding polyimides glue insulation of the cable core
Layer.
9. superconduction cable according to claim 1, it is characterised in that: the core includes matrix line and signal wire.
10. superconduction cable according to claim 1, it is characterised in that: the superconductivity wire surface coats polyimides glue
Insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910327645.9A CN110047624B (en) | 2019-04-23 | 2019-04-23 | Superconducting cable |
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| CN201910327645.9A CN110047624B (en) | 2019-04-23 | 2019-04-23 | Superconducting cable |
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| CN110047624B CN110047624B (en) | 2021-01-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504098A (en) * | 2019-08-22 | 2019-11-26 | 中国科学院合肥物质科学研究院 | One kind bowing out line root body insulating treatment process for superconducting magnet S |
| CN110705104A (en) * | 2019-10-05 | 2020-01-17 | 清华大学 | Simulation analysis method for current density distribution of high-temperature superconducting conductor |
| CN113270224A (en) * | 2021-05-20 | 2021-08-17 | 中国科学院合肥物质科学研究院 | High-voltage-resistant superconducting cable potential detection wire insulation leading-out structure |
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