CN200950367Y - Superconducting cable fitting - Google Patents
Superconducting cable fitting Download PDFInfo
- Publication number
- CN200950367Y CN200950367Y CNU2005200119163U CN200520011916U CN200950367Y CN 200950367 Y CN200950367 Y CN 200950367Y CN U2005200119163 U CNU2005200119163 U CN U2005200119163U CN 200520011916 U CN200520011916 U CN 200520011916U CN 200950367 Y CN200950367 Y CN 200950367Y
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- Prior art keywords
- electric field
- field stress
- insulating material
- material coating
- coating layer
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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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Abstract
A superconducting power cable apparatus consists of two structure models, namely, a terminal apparatus of the superconducting power cable and a middle connector of the superconducting power cable; wherein the terminal apparatus of the superconducting power cable is provided with an electric-field stress element at the breaking of the outer shielding layer; and the stress element has an insulated covering; and an electric-field stress cone is housed in the insulated covering and coupled to an insulating sleeve arranged with a plurality of creepage extenders thereon; the middle connector of the superconducting power cable is provided respectively with two electric-field stress elements at the breaking of the outer shielding layers of two cables; and the stress element has an insulated covering and an electric-field stress cone housed in the insulated covering and coupled to an insulating sleeve, and then is jacketed further by and in order an outer shielding layer and an external protection bushing.
Description
Technical field
The utility model relates to a kind of electric cable accessories, in particular for the hyperconductive cable terminals and the middle connector annex of power industry.
Background technology
Hyperconductive cable turns to the practical stage from theoretical and laboratory research at present.Superconduction be meant when temperature low to a certain degree the time resistivity of material be zero.Adopting superconductor to do conductor or cable and work under the superconducting temperature state is exactly hyperconductive cable.The inside of hyperconductive cable is hollow structure, is full of the liquid nitrogen that circulates keeps superconducting state with low temperature temperature.Electric current can reach 2000A-15000A even higher during hyperconductive cable work, so part that does not have screen in the terminals and transition joint place of hyperconductive cable, electric field strength can explode suddenly, produce great electric field stress, therefore, hyperconductive cable will come into operation, its annex must the control cable terminal and transition joint do not have the electric field stress of screen part.
Summary of the invention
In order to overcome the terminal of hyperconductive cable and the part that transition joint place does not have screen now, electric field strength can explode suddenly, produce the shortcoming of great electric field stress, the utility model provides a kind of hyperconductive cable annex, comprise hyperconductive cable terminals annex and hyperconductive cable transition joint annex, can control the electric field stress that does not have the screen part effectively.
The technical scheme that its technical problem that solves the utility model adopts is: at the hyperconductive cable annex electric field stress body is set and comprises insulating material coating layer and built-in electric field stress cone.For hyperconductive cable terminals annex; behind strip off cable external protection and outer shielding layer, expose one section long cable insulation and a bit of outer shielding layer; electric field stress awl of outer shielding layer incision position socket at cable; the electric field stress awl is coated by an insulating material coating layer; with an insulating barrier casing pipe sleeve be connected on cable insulation outside and with the end overlap joint of the insulating material coating layer of electric field stress body; in insulating barrier cover tube outside a plurality of creep distances are set and increase devices, if or creepage distance increase device when enough and can not be provided with.For hyperconductive cable transition joint annex, two cable sockets are handled, expose cable insulation and outer shielding layer, the metal connecting tube spiral with two hyperconductive cable terminations links together earlier, puts metal sleeve again to strengthen the bonding strength of two ends metal connecting tube; The metal sleeve outside is coated by an internal shield, and the two ends of internal shield must overlap mutually with the cable insulation end at two ends; Electric field stress body of each socket of outer shielding layer incision position at cable comprises insulating material coating layer and built-in electric field stress awl then, makes each electric field stress awl and corresponding cable outer shielding layer overlap joint; Again an insulating barrier casing pipe sleeve is connected on the internal shield outside until overlapping with two insulating material coating layers; Put an outer shielding layer and a protective layer sleeve pipe then in order in the outside of above assembly.
The beneficial effects of the utility model are, can be used as hyperconductive cable terminals annex and transition joint annex, can control the electric field stress that does not have the screen part simultaneously effectively.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation after the hyperconductive cable strip off successively.
Fig. 2 is a hyperconductive cable internal structure cross section schematic diagram.
Fig. 3 is the generalized section of electric field stress body structure.
Fig. 4 is the structural profile schematic diagram of an embodiment of hyperconductive cable terminals annex.
Fig. 5 is the structural profile schematic diagram of an embodiment of hyperconductive cable transition joint annex.
Fig. 6 is the three-dimensional generalized section that electric field stress awl and insulating material coating layer is combined into a cold-shrink type integral body.
Embodiment
1., 1.1,1.2 protective coverings of cable among the figure; 2., 2.1,2.2 cable outer shielding layers; 3. metal knitted pipe; 4. cable internal shield, 5., 5.1,5.2 cable insulations, 6., 6.1,6.2 insulating material coating layers; 7., 7.1,7.2 electric field stress awl; 8. insulating barrier sleeve pipe, 9. terminal, 10.1,10.2,10.3 creep distances increase device; 11. electric field stress body; 12.1,12.2 metal connecting tubes, 13. metal sleeves, 14. protective layer sleeve pipes; 15. outer shielding layer; 16. internal shield, 17. stay pipes, 18. stay pipes dismounting bar.
In Fig. 1 and Fig. 2 as can be seen, the hyperconductive cable internal structure from outside be respectively protective coverings of cable (1), cable outer shielding layer (2), metal knitted pipe (3), cable internal shield (4) inward, cable insulation (5), wherein the thermal insulation layer of hyperconductive cable inside, liquid nitrogen chamber and superconducting core do not draw.
At Fig. 3 as can be seen, the electric field stress body is made up of the built-in electric field stress awl of an insulating material coating layer (6) (7).
In the embodiment of Fig. 4, behind strip off hyperconductive cable outer jacket (1) and cable outer shielding layer (2), expose one section long cable insulation (5), a bit of cable outer shielding layer (2) and terminal (9), utilize the mode of pyrocondensation and shrinkage, at an electric field stress awl of cable outer shielding layer (2) incision position socket (7), the electric field stress awl is coated by an insulating material coating layer (6), with an insulating barrier sleeve pipe (8) be socketed in cable insulation (5) outside and with the end overlap joint of insulating material coating layer (6), in insulating barrier cover tube outside creep distance is set and increases device (10.1,10.2,10.3).
In the embodiment of Fig. 5, two hyperconductive cable terminations are handled, expose cable insulation (5.1), (5.2), cable outer shielding layer (2.1), (2.2) and metal connecting tube (12.1), (12.2); Earlier metal connecting tube (12.1) and (12.2) spiral are linked together, put the bonding strength of metal sleeve (13) again with reinforcement metal tube connector (12.1) and (12.2); Utilize the mode of pyrocondensation and shrinkage, coat an internal shield (16) in the outside of metal sleeve (13), and the two ends of internal shield (16) must overlap mutually with the cable insulation (5.1) and (5.2) end at two ends; Be respectively insulating material coating layer (6.1), (6.2) and electric field stress awl (7.1), (7.2) at cable outer shielding layer (2.1), electric field stress body of each socket of (2.2) incision position, electric field stress awl (7.1), (7.2) are overlapped mutually with cable outer shielding layer (2.1), (2.2) respectively; Insulating barrier sleeve pipe (8) is socketed in internal shield (16) outside until overlapping mutually with the insulating material coating layer (6.1) at two ends, the termination of (6.2); Put an outer shielding layer (15) and protective layer sleeve pipe (14) then in order in the outside of above assembly.
In Fig. 6 as can be seen, electric field stress awl (7) is combined into a cold-shrink type integral body with insulating material coating layer (6), draw back stay pipe dismounting bar (18) during installation, stay pipe (17) all withdraws from immediately into strips, and electric field stress awl (7) shrinks immediately with insulating material coating layer (6).
Claims (8)
1. hyperconductive cable terminals annex, at insulating barrier sleeve pipe of cable terminal place socket, in insulating barrier cover tube outside a plurality of creep distances are set and increase device, it is characterized in that: the i.e. insulating material coating layer of a built-in electric field stress cone of an electric field stress body is set, at electric field stress awl that coats by the insulating material coating layer of outer shielding layer incision position socket of terminals cable.
2. according to the described hyperconductive cable terminals of item claim 1 annex, it is characterized in that: described electric field stress body is a thermal shrinkage type, and its insulating material coating layer external form is the little spindle-type of the big end of an end, and built-in electric field stress awl is trumpet type.
3. according to the described hyperconductive cable terminals of any one claim annex in claim 1 and the claim 2, it is characterized in that: described electric field stress body is that cold-shrink type is elastomeric, its insulating material coating layer external form is the little spindle-type of the big end of an end, and built-in electric field stress awl is trumpet type.
4. hyperconductive cable terminals annex according to claim 3 is characterized in that: the inner chamber at insulating material coating layer and electric field stress awl also comprises a predilation stay pipe.
5. hyperconductive cable transition joint annex; at insulating barrier sleeve pipe of cable intermediate joint place socket; outer shielding layer of socket and an external protection sleeve pipe outside in order again; it is characterized in that: the i.e. insulating material coating layer of a built-in electric field stress cone of an electric field stress body is set, at electric field stress awl that coats by the insulating material coating layer of each socket of outer shielding layer incision position of transition joint two end cables.
6. according to the described hyperconductive cable transition joint of item claim 5 annex, it is characterized in that: described electric field stress body is a thermal shrinkage type, and its insulating material coating layer external form is the little spindle-type of the big end of an end, and built-in electric field stress awl is trumpet type.
7. according to the described hyperconductive cable transition joint of any one claim annex in claim 5 and the claim 6, it is characterized in that: described electric field stress body is that cold-shrink type is elastomeric, its insulating material coating layer external form is the little spindle-type of the big end of an end, and built-in electric field stress awl is trumpet type.
8. hyperconductive cable transition joint annex according to claim 7 is characterized in that: the inner chamber at insulating material coating layer and electric field stress awl also comprises a predilation stay pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200119163U CN200950367Y (en) | 2005-03-23 | 2005-03-23 | Superconducting cable fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200119163U CN200950367Y (en) | 2005-03-23 | 2005-03-23 | Superconducting cable fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200950367Y true CN200950367Y (en) | 2007-09-19 |
Family
ID=38892908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200119163U Expired - Fee Related CN200950367Y (en) | 2005-03-23 | 2005-03-23 | Superconducting cable fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200950367Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958172A (en) * | 2010-07-30 | 2011-01-26 | 中国科学院合肥物质科学研究院 | Superconducting joint of cable conductor in double-chamber low-resistance tube |
| CN102769214A (en) * | 2012-07-18 | 2012-11-07 | 合肥科烨电物理设备制造有限公司 | High-current distributed superconducting conductor joint |
| WO2018196099A1 (en) * | 2017-04-26 | 2018-11-01 | 中国科学院合肥物质科学研究院 | Connector assembly of two low-temperature superconducting cable terminals and fabrication method therefor |
| CN110752575A (en) * | 2019-09-05 | 2020-02-04 | 国网江苏省电力有限公司电力科学研究院 | Three-phase coaxial superconducting cable stress cone |
| 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 |
-
2005
- 2005-03-23 CN CNU2005200119163U patent/CN200950367Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958172A (en) * | 2010-07-30 | 2011-01-26 | 中国科学院合肥物质科学研究院 | Superconducting joint of cable conductor in double-chamber low-resistance tube |
| CN101958172B (en) * | 2010-07-30 | 2012-09-05 | 中国科学院合肥物质科学研究院 | Superconducting joint of cable conductor in double-chamber low-resistance tube |
| CN102769214A (en) * | 2012-07-18 | 2012-11-07 | 合肥科烨电物理设备制造有限公司 | High-current distributed superconducting conductor joint |
| WO2018196099A1 (en) * | 2017-04-26 | 2018-11-01 | 中国科学院合肥物质科学研究院 | Connector assembly of two low-temperature superconducting cable terminals and fabrication method therefor |
| 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 |
| CN110752575A (en) * | 2019-09-05 | 2020-02-04 | 国网江苏省电力有限公司电力科学研究院 | Three-phase coaxial superconducting cable stress cone |
| CN110752575B (en) * | 2019-09-05 | 2020-12-01 | 国网江苏省电力有限公司电力科学研究院 | Three-phase coaxial superconducting cable stress cone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070919 Termination date: 20100323 |