CN110136883A - A kind of hyperconductive cable convenient for connection based on YBCO superconductor - Google Patents
A kind of hyperconductive cable convenient for connection based on YBCO superconductor Download PDFInfo
- Publication number
- CN110136883A CN110136883A CN201910533843.0A CN201910533843A CN110136883A CN 110136883 A CN110136883 A CN 110136883A CN 201910533843 A CN201910533843 A CN 201910533843A CN 110136883 A CN110136883 A CN 110136883A
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- Prior art keywords
- hyperconductive cable
- low temperature
- truncation
- hyperconductive
- layer
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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
-
- 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
- H01B12/02—Superconductive or hyperconductive conductors, cables, or transmission lines characterised by their form
-
- 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
- H01B12/14—Superconductive or hyperconductive conductors, cables, or transmission lines characterised by the disposition of thermal insulation
-
- 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
- H01B12/16—Superconductive or hyperconductive conductors, cables, or transmission lines characterised by cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/68—Connections to or between superconductive connectors
-
- 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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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
The hyperconductive cable convenient for connection that the present invention relates to a kind of based on YBCO superconductor.The hyperconductive cable is radially successively arranged core, the first low temperature cold insulating layer, superconducting layer, the second low temperature cold insulating layer, support ring, cryogenic piping, armouring copper wire and outer jacket from inside to outside.The end of the hyperconductive cable is equipped with truncation sheath, connector sleeve and dead ring.Radially set from inside to outside layer structure is corresponding with the hyperconductive cable for the truncation sheath, and the truncation sheath passes through void connection of broken lines between the layer structure and corresponding hyperconductive cable layer structure in addition to core.When two hyperconductive cables connect, the end that the connector sleeve is fixed on the hyperconductive cable is motionless, pulls the dead ring and the dead ring is fastened on the outer surface of crossover sub.The present invention is easy to operate in hyperconductive cable connection area, realizes directly removing truncation sheath, and the cutting for reducing external equipment uses, and reduces the abrasion of superconducting cable.
Description
Technical field
The present invention relates to hyperconductive cable technical field, specially a kind of superconduction convenient for connection based on YBCO superconductor
Cable.
Background technique
Hyperconductive cable is to become zero resistance superconducting state under its critical-temperature using superconduction, current density height, can carry greatly
The characteristics of electric current and manufacture and design.Hyperconductive cable is novel cable in the market, and single hyperconductive cable limited length is over long distances
Laying needs more connections.The connection by current carrying layer, the connection of cold insulation layer and cryosphere pipeline are needed when connection
Connection etc. be attached.
It is created currently on the market for hyperconductive cable, a kind of superconducting cable of novel YBCO superconductor occurs, it should
Cable carries out research generation under the material foundation based on YBCO superconductor, and the hyperconductive cable occurred currently on the market is using
When have the following deficiencies: when connect two hyperconductive cables, need the direct clipping of the outer jacket in outside directly
Get off, by external cutting means must influence that the Connection Time is installed.
Summary of the invention
The hyperconductive cable convenient for connection that the purpose of the present invention is to provide a kind of based on YBCO superconductor is suitable for super
- superconduction connection is led, it is complex with the connection core currently on the market for solving that above-mentioned background technique proposes, connect with hyperconductive cable
Connect inconvenient problem.
To achieve the above object, the invention provides the following technical scheme:
A kind of hyperconductive cable convenient for connection based on YBCO superconductor, the hyperconductive cable is radially from inside to outside
It is successively arranged core, the first low temperature cold insulating layer, superconducting layer, the second low temperature cold insulating layer, support ring, cryogenic piping, armouring copper
Silk and outer jacket；Wherein, the core is twisted by more copper wire, and the first low temperature cold insulating layer and the second low temperature cold are exhausted
Edge layer is that cold insulator helically coiling forms, and the superconducting layer is YBCO superconducting tape Multi-layer Parallel helically wound structures,
And the support ring intermittent is arranged and is directly socketed in the outside of the second low temperature cold insulating layer, it is the core, first low
Warm cold insulation layer, superconducting layer, the second low temperature cold insulating layer and support ring are integrated in inside the cryogenic piping, the armouring copper wire
For helically coiling in the outside of the cryogenic piping, the outer jacket is the insulation straight tube knot of the extrusion molding on the outside of the armouring copper wire
Structure；
The hyperconductive cable end is equipped with truncation sheath, and the truncation sheath is multilayered structure, and the truncation sheath edge
Its radial layer structure set from inside to outside is corresponding with the hyperconductive cable, layer knot of the truncation sheath in addition to core
Pass through empty connection of broken lines between structure and corresponding hyperconductive cable layer structure；
Connector sleeve and dead ring are additionally provided on the outside of the outer jacket of the hyperconductive cable end, the connector sleeve and dead ring are equal
It covers on the outside of the hyperconductive cable outer jacket and is located on the inside of the truncation sheath, and the connector sleeve is connected by elastic connection rope
The dead ring is connect, when two hyperconductive cables connect, the end that the connector sleeve is fixed on the hyperconductive cable is motionless, pulls
The dead ring is simultaneously fastened on the outer surface of crossover sub by the dead ring.
Further, the cold insulator is PPLP or Kapton.
Further, the support ring is the supporting ring structure that intermittent width is 10cm, and the material of the support ring
For tetrafluoride material.
Further, the cryogenic piping is the double-deck non-magnetic rustproof corrugated steel pipe, and internal interlayer is vacuum.
Further, the material of the outer jacket is cross-linking polyethylene materials.
Further, it is uniformly provided with several signal receiving slits on the inside of the superconducting layer, is used for transmission voltage signal.
Further, the dead ring is elastic material.
Further, the location hole being adapted with the connecting rope is equipped on the connector sleeve and dead ring.
Compared with prior art, the beneficial effects of the present invention are:
1) hyperconductive cable of the present invention is successively cutting hyperconductive cable layer structure by the way that truncation sheath is arranged in end
When, the truncation sheath that force is connect by void broken string with hyperconductive cable end is truncated sheath rotation and tears, sheath is truncated and surpasses
Directly removing truncation sheath is realized in the separation of cable end, and the cutting for reducing external equipment uses, and reduces the mill of superconducting cable
Damage.
2) after hyperconductive cable completion connection, on the outside of crossover sub, dead ring is pulled, the connecting rope and determine that dead ring drives
The corresponding fastening in position hole, dead ring are socketed in crossover sub outer surface, directly protect crossover sub, pacify connection more
Entirely, more convenient.
Detailed description of the invention
Fig. 1 is hyperconductive cable agent structure schematic diagram of the present invention；
Fig. 2 is hyperconductive cable the schematic diagram of the section structure of the present invention；
Fig. 3 is adjacent superconducting cable connection structure schematic diagram of the present invention；
Fig. 4 is dead ring and connector sleeve deployed configuration schematic diagram when adjacent hyperconductive cable of the present invention connects；
Fig. 5 is core of the present invention in hollow copper tubing inner connecting structure schematic diagram；
Fig. 6 is cryogenic piping attachment structure schematic diagram of the present invention；
Fig. 7 is superconducting layer attachment structure schematic diagram of the present invention；
In figure: 1, core, the 2, first low temperature cold insulating layer, 3, superconducting layer, the 4, second low temperature cold insulating layer, 5, support ring,
6, cryogenic piping, 7, armouring copper wire, 8, outer jacket, 10, crossover sub, 11, truncation sheath, 12, empty broken string, 13, connector sleeve,
14, elastic connection rope, 15, dead ring, 16, location hole, 17, hollow copper tubing, 18, the edge of a knife, 19, superconduction connecting pin.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
A kind of hyperconductive cable convenient for connection based on YBCO superconductor, as shown in Figure 1, 2, the hyperconductive cable is along it
It is radial to be successively arranged core 1, the first low temperature cold insulating layer 2, superconducting layer 3, the second low temperature cold insulating layer 4, support ring from inside to outside
5, cryogenic piping 6, armouring copper wire 7 and outer jacket 8.
Wherein, the core 1 is formed by the copper wire stranded cable of more diameter 1mm, and the copper wire is electrician's fine copper.Described first
Low temperature cold insulating layer 2 and the second low temperature cold insulating layer 4 are that cold insulator half-stack package helically coiling forms, the cold insulation material
Material can be PPLP (polypropylene layer platen) either Kapton, and the first low temperature cold insulating layer 2 is wound on described
The outer surface of core 1.Superconducting layer 3 is YBCO high-temperature superconductor band Multi-layer Parallel helically wound structures, and it is low to be wound on described first
The outer surface of warm cold insulation layer 2.The second low temperature cold insulating layer 4 is wound on the outer surface of the superconducting layer 3.Between support ring is
Every the supporting ring structure that property width is 10cm, material is tetrafluoride material, and the support ring is directly socketed in second low temperature
The outside of cold insulation layer 4.The core 1, the first low temperature cold insulating layer 2, superconducting layer 3, the second low temperature cold insulating layer 4 and support ring
5 are integrated in inside the cryogenic piping 6, and the cryogenic piping is bellows vacuum dewar pipe, and flexible vacuum pipe structure,
Its material is the double-deck non-magnetic rustproof corrugated steel pipe, and interlayer is vacuum.The armouring copper wire helically coiling is in the cryogenic piping 6
Outside.Outer jacket is that disposably crowded cable insulation straight tube structure, material are cross-linking polyethylene materials.
The inside of the superconducting layer 7 is also uniformly provided with several signal receiving slits 9, is used for transmission voltage signal.
As shown in figure 3, the hyperconductive cable end is equipped with truncation sheath 11.As described in Figure 2, the truncation sheath 11 is more
Layer structure, and radially set from inside to outside layer structure is corresponding with the hyperconductive cable for the truncation sheath 11, institute
Truncation sheath 11 is stated to connect by empty broken string 12 between the layer structure and corresponding hyperconductive cable layer structure in addition to core 1
It connects.
The outside of hyperconductive cable end outer jacket 8 is additionally provided with connector sleeve 13 and dead ring 15,13 He of connector sleeve
Dead ring 15 covers on the outside of the hyperconductive cable outer jacket and is located at 11 inside of truncation sheath, and the connector sleeve 13 is logical
It crosses elastic connection rope 14 and connects the dead ring 15, when two hyperconductive cables connect, the connector sleeve 13 is fixed on described super
The end of cable is motionless, pulls the dead ring 15 and the dead ring 15 is fastened on the outer surface of crossover sub 10.
Wherein, the dead ring 15 is elastic material.It is equipped on the connector sleeve 13 and dead ring 15 and is adapted with the connecting rope
Location hole 16.
Hyperconductive cable of the present invention tears truncation sheath 11 in connection, and truncation sheath is separated with hyperconductive cable end,
Realize directly removing truncation sheath, can directly to core 1 carry out undergauge processing, as shown in Figure 1, successively exposing armouring copper wire,
Support ring, high voltage layer, superconducting layer, High-Voltage Insulation layer and cryogenic piping, so that the cutting for reducing external equipment uses,
Reduce the abrasion of superconducting cable.Connect inside hollow copper tubing as shown in figure 5, the core of adjacent hyperconductive cable end may pass through
It connects.Carbon paper or cold exhausted is used in the outside of the hollow copper tubing, between the first low temperature cold insulating layer of adjacent hyperconductive cable end
Edge material carries out half-stack package helically coiling and completes connection, obtains the first low temperature cold insulating layer connecting pin.In first low temperature cold
The superconducting layer in the outside of insulating layer connecting pin, adjacent hyperconductive cable end is connected using YBCO superconducting tape helically coiling, spiral
After the completion of coiling, then the both ends welded connecting in superconducting layer connecting pin, as shown in Figure 7.In the outside of the superconducting layer connecting pin,
It is also complete using carbon paper or cold insulator half-stack package helically coiling between second low temperature cold insulating layer of adjacent hyperconductive cable end
At connection, the second low temperature cold insulating layer connecting pin is obtained.The second low temperature cold insulating layer connecting pin is integrated in and is connected with low
In warm pipe, as shown in fig. 6, connection dock forming cryotronl with cryotronl with the cryogenic piping of both ends hyperconductive cable end
Road connecting pin, wherein the connection cryotronl and the cryogenic piping of both ends hyperconductive cable end are without diameter difference.In the low temperature
One layer of outer jacket of outer surface extrusion molding of conduit connection end, obtains crossover sub.The connector sleeve is fixed on the hyperconductive cable
End it is motionless, pull the dead ring and be fastened on the dead ring on the outer surface of crossover sub outer jacket, the bullet
Property connecting rope is covered on crossover sub outer surface, completes the connection of hyperconductive cable, as shown in Figure 4.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of hyperconductive cable convenient for connection based on YBCO superconductor, it is characterised in that: the hyperconductive cable is along its diameter
To be successively arranged from inside to outside core (1), the first low temperature cold insulating layer (2), superconducting layer (3), the second low temperature cold insulating layer (4),
Support ring (5), cryogenic piping (6), armouring copper wire (7) and outer jacket (8)；Wherein, the core is twisted by more copper wire,
The first low temperature cold insulating layer (2) and the second low temperature cold insulating layer (4) are that cold insulator helically coiling forms, described super
Conducting shell (3) is YBCO superconducting tape Multi-layer Parallel helically wound structures, and the support ring (5) intermittent is arranged and is directly socketed
In the outside of the second low temperature cold insulating layer (4), the core (1), the first low temperature cold insulating layer (2), superconducting layer (3),
Two low temperature cold insulating layers (4) and support ring (5) are integrated in the cryogenic piping (6) inside, armouring copper wire (7) helically coiling
In the outside of the cryogenic piping (6), the outer jacket (8) is the insulation straight tube knot of the extrusion molding on the outside of the armouring copper wire (7)
Structure；
The hyperconductive cable end is equipped with truncation sheath (11), and the truncation sheath (11) is multilayered structure, and the truncation is protected
Covering (11), radially set from inside to outside layer structure is corresponding with the hyperconductive cable, and the truncation sheath (11) is except line
Pass through empty (12) connection of breaking between layer structure and corresponding hyperconductive cable layer structure other than core (1)；
Connector sleeve (13) and dead ring (15), the connector sleeve are additionally provided on the outside of hyperconductive cable end outer jacket (8)
(13) it covers on the outside of the hyperconductive cable outer jacket and is located on the inside of the truncation sheath (11) with dead ring (15), and is described
Connector sleeve (13) connects the dead ring (15) by elastic connection rope (14), when two hyperconductive cables connect, the connection
The end that set (13) is fixed on the hyperconductive cable is motionless, pulls the dead ring (15) and is fastened on the dead ring (15)
On the outer surface of crossover sub (10).
2. the hyperconductive cable convenient for connection according to claim 1 based on YBCO superconductor, it is characterised in that: described
Cold insulator is PPLP or Kapton.
3. the hyperconductive cable convenient for connection according to claim 1 based on YBCO superconductor, it is characterised in that: described
Support ring (5) is the supporting ring structure that intermittent width is 10cm, and the material of the support ring (5) is tetrafluoride material.
4. the hyperconductive cable convenient for connection according to claim 1 based on YBCO superconductor, it is characterised in that: described
Cryogenic piping (6) is the double-deck non-magnetic rustproof corrugated steel pipe, and internal interlayer is vacuum.
5. the hyperconductive cable convenient for connection according to claim 1 based on YBCO superconductor, it is characterised in that: described
The material of outer jacket (8) is cross-linking polyethylene materials.
6. the hyperconductive cable convenient for connection according to claim 1 based on YBCO superconductor, it is characterised in that: described
It is uniformly provided with several signal receiving slits on the inside of superconducting layer (3), is used for transmission voltage signal.
7. the hyperconductive cable convenient for connection according to claim 1 based on YBCO superconductor, it is characterised in that: described
Dead ring (15) is elastic material.
8. the hyperconductive cable convenient for connection according to claim 1 based on YBCO superconductor, it is characterised in that: described
The location hole (16) being adapted with the connecting rope is equipped on connector sleeve (13) and dead ring (15).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910533843.0A CN110136883B (en) | 2019-06-19 | 2019-06-19 | Superconducting cable based on YBCO superconducting material and convenient to connect |
| PCT/CN2019/119144 WO2020253084A1 (en) | 2019-06-19 | 2019-11-18 | Ybco superconducting material-based superconductor power cable with simplified connection operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910533843.0A CN110136883B (en) | 2019-06-19 | 2019-06-19 | Superconducting cable based on YBCO superconducting material and convenient to connect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110136883A true CN110136883A (en) | 2019-08-16 |
| CN110136883B CN110136883B (en) | 2020-07-14 |
Family
ID=67578806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910533843.0A Active CN110136883B (en) | 2019-06-19 | 2019-06-19 | Superconducting cable based on YBCO superconducting material and convenient to connect |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110136883B (en) |
| WO (1) | WO2020253084A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112100809A (en) * | 2020-08-10 | 2020-12-18 | 华南理工大学 | Method for designing three-phase coaxial superconducting cable based on multi-physical-field coupling simulation |
| WO2020253085A1 (en) * | 2019-06-19 | 2020-12-24 | 东部超导科技（苏州）有限公司 | Connection method for ybco superconducting material-based superconducting cable |
| WO2020253084A1 (en) * | 2019-06-19 | 2020-12-24 | 东部超导科技（苏州）有限公司 | Ybco superconducting material-based superconductor power cable with simplified connection operation |
| WO2020253086A1 (en) * | 2019-06-19 | 2020-12-24 | 东部超导科技（苏州）有限公司 | Ybco superconducting-material-based superconduction cable end-portion connection structure |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2020253084A1 (en) | 2020-12-24 |
| CN110136883B (en) | 2020-07-14 |
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