CN104485631A - Cold dielectric superconductive cable end - Google Patents
Cold dielectric superconductive cable end Download PDFInfo
- Publication number
- CN104485631A CN104485631A CN201410767894.7A CN201410767894A CN104485631A CN 104485631 A CN104485631 A CN 104485631A CN 201410767894 A CN201410767894 A CN 201410767894A CN 104485631 A CN104485631 A CN 104485631A
- Authority
- CN
- China
- Prior art keywords
- liquid nitrogen
- regions
- cold insulation
- nitrogen
- cable termination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/34—Cable fittings for cryogenic cables
-
- 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
Abstract
The invention discloses a cold dielectric superconductive cable end, which comprises a liquid nitrogen area. The cold dielectric superconductive cable end is characterized by further comprising a current lead, an insulated sleeve, a liquid nitrogen inlet pipe and a nitrogen exhaust pipe, wherein liquid nitrogen is contained in the liquid nitrogen area; nitrogen is reserved above the liquid nitrogen area; the insulated sleeve is arranged at the top of the liquid nitrogen area; one end of the current lead extends to a part below the liquid level of the liquid nitrogen, and the other end of the current lead extends out of the top of the insulated sleeve; the liquid nitrogen inlet pipe inserted into the liquid nitrogen area is arranged on one side of the liquid nitrogen area; the nitrogen exhaust pipe capable of exhausting nitrogen is arranged on the other side of the liquid nitrogen area. The cold dielectric superconductive cable end is simple in structure and convenient to use, and has better using effects, and stable transition of nitrogen temperature can be ensured.
Description
Technical field
The present invention relates to a kind of cable socket, particularly relate to a kind of cold insulation hyperconductive cable termination.
Background technology
Current hyperconductive cable termination, do not have enough distances between liquid nitrogen regions liquid level and insulating sleeve, it is enough little that the leakage of current feed and thermostat inwall heat can not control, and cannot ensure the gentle transition of nitrogen temperature in cable socket, result of use is poor, and useful life is shorter.
Summary of the invention
In order to solve hyperconductive cable termination in prior art, enough distances are not had between liquid nitrogen regions liquid level and insulating sleeve, it is enough little that the leakage heat of current feed and thermostat inwall can not control, cannot ensure the gentle transition of nitrogen temperature in cable socket, result of use is poor, the problem that useful life is shorter, the invention provides a kind of structure simple, easy to use, nitrogen temperature smooth transition can be ensured, result of use good cold insulation hyperconductive cable termination.
In order to solve the problem, the technical solution used in the present invention is:
A kind of cold insulation hyperconductive cable termination, comprise liquid nitrogen regions, it is characterized in that: also comprise current feed, insulating sleeve, enter liquid nitrogen pipe and denitrogen tracheae, liquid nitrogen is contained with in liquid nitrogen regions, nitrogen is left above liquid nitrogen regions, top, liquid nitrogen regions is provided with insulating sleeve, described current feed one end extend into liquid nitrogen liquid level once, the other end of described current feed stretches out insulating sleeve top, what be provided with insertion liquid nitrogen regions in side, liquid nitrogen regions enters liquid nitrogen pipe, is provided with and the denitrogen tracheae can discharging nitrogen at liquid nitrogen regions opposite side.
Aforesaid a kind of cold insulation hyperconductive cable termination, is characterized in that: described in enter liquid nitrogen pipe and denitrogen tracheae and adopt straight tube.
Aforesaid a kind of cold insulation hyperconductive cable termination, is characterized in that: described in enter liquid nitrogen pipe setting direction mutually vertical with denitrogen tracheae setting direction.
Aforesaid a kind of cold insulation hyperconductive cable termination, is characterized in that: described in enter liquid nitrogen pipe adopt stainless steel material make.
Aforesaid a kind of cold insulation hyperconductive cable termination, is characterized in that: described denitrogen tracheae adopts resistant material to make.
Aforesaid a kind of cold insulation hyperconductive cable termination, is characterized in that: described current feed adopts copper cash.
The beneficial effect that the present invention reaches: cold insulation hyperconductive cable termination of the present invention, be respectively arranged with into liquid nitrogen pipe and denitrogen tracheae at insulating sleeve and liquid nitrogen regions, define a set of nitrogen circulation interface, the nitrogen pressure device of outside, termination is utilized to inject in termination or extract nitrogen out if desired, control liquid nitrogen regions liquid nitrogen within the limits prescribed, ensure the smooth transition of nitrogen temperature, result of use is better, safe and reliable.
Accompanying drawing explanation
Fig. 1 is cold insulation hyperconductive cable end structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1, a kind of cold insulation hyperconductive cable termination, comprise liquid nitrogen regions 1, current feed 2, insulating sleeve 3, enter liquid nitrogen pipe 4 and denitrogen tracheae 5, liquid nitrogen is contained with in liquid nitrogen regions 1, nitrogen 6 is left above liquid nitrogen regions 1, top, liquid nitrogen regions 1 is provided with insulating sleeve 3, described current feed 2 one end extend into liquid nitrogen liquid level once, the other end of described current feed 2 stretches out insulating sleeve 3 top, what be provided with insertion liquid nitrogen regions 1 in side, liquid nitrogen regions 1 enters liquid nitrogen pipe 4, is provided with and the denitrogen tracheae 5 can discharging nitrogen at liquid nitrogen regions 1 opposite side.Described enter liquid nitrogen pipe 4 and denitrogen tracheae 5 adopt straight tube.Described enter liquid nitrogen pipe 4 setting direction mutually vertical with denitrogen tracheae 5 setting direction.Described enter liquid nitrogen pipe 4 adopt stainless steel material to make.Described denitrogen tracheae 5 adopts resistant material to make.Described current feed 2 adopts copper cash.
In sum, cold insulation hyperconductive cable termination of the present invention, be provided with in liquid nitrogen regions 1 into liquid nitrogen pipe 4 and denitrogen tracheae 5, define a set of nitrogen circulation interface, utilize the nitrogen pressure device of outside, termination inject in termination or extract nitrogen 6 out if desired, control liquid nitrogen regions 1 liquid nitrogen within the limits prescribed, ensure the smooth transition of nitrogen temperature, result of use is better, safe and reliable.
More than show and describe general principle of the present invention, principal character and advantage.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (6)
1. a cold insulation hyperconductive cable termination, comprise liquid nitrogen regions, it is characterized in that: also comprise current feed, insulating sleeve, enter liquid nitrogen pipe and denitrogen tracheae, liquid nitrogen is contained with in liquid nitrogen regions, nitrogen is left above liquid nitrogen regions, top, liquid nitrogen regions is provided with insulating sleeve, described current feed one end extend into liquid nitrogen liquid level once, the other end of described current feed stretches out insulating sleeve top, what be provided with insertion liquid nitrogen regions in side, liquid nitrogen regions enters liquid nitrogen pipe, is provided with and the denitrogen tracheae can discharging nitrogen at liquid nitrogen regions opposite side.
2. a kind of cold insulation hyperconductive cable termination according to claim 1, is characterized in that: described in enter liquid nitrogen pipe and denitrogen tracheae and adopt straight tube.
3. a kind of cold insulation hyperconductive cable termination according to claim 2, is characterized in that: described in enter liquid nitrogen pipe setting direction mutually vertical with denitrogen tracheae setting direction.
4. a kind of cold insulation hyperconductive cable termination according to claim 3, is characterized in that: described in enter liquid nitrogen pipe adopt stainless steel material make.
5. a kind of cold insulation hyperconductive cable termination according to claim 4, is characterized in that: described denitrogen tracheae adopts resistant material to make.
6. a kind of cold insulation hyperconductive cable termination according to claim 5, is characterized in that: described current feed adopts copper cash.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410767894.7A CN104485631A (en) | 2014-12-12 | 2014-12-12 | Cold dielectric superconductive cable end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410767894.7A CN104485631A (en) | 2014-12-12 | 2014-12-12 | Cold dielectric superconductive cable end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104485631A true CN104485631A (en) | 2015-04-01 |
Family
ID=52760152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410767894.7A Pending CN104485631A (en) | 2014-12-12 | 2014-12-12 | Cold dielectric superconductive cable end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104485631A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994534A (en) * | 2019-12-13 | 2020-04-10 | 华中科技大学 | Multi-section current lead based on evaporative cooling |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1954468A (en) * | 2005-02-15 | 2007-04-25 | 住友电气工业株式会社 | End structure of superconducting cable |
| CN100356646C (en) * | 2001-02-13 | 2007-12-19 | 住友电气工业株式会社 | Terminal structure of extreme-low temperature equipment |
| CN101911217A (en) * | 2008-01-25 | 2010-12-08 | Ls电线有限公司 | Terminal apparatus with built-in fault current limiter for superconducting cable system |
| CN102956327A (en) * | 2011-08-30 | 2013-03-06 | 云南电力试验研究院（集团）有限公司电力研究院 | Superconducting cable end socket structure |
| CN103247995A (en) * | 2012-02-03 | 2013-08-14 | 昭和电线电缆系统株式会社 | Terminal device of ultralow temperature apparatus |
-
2014
- 2014-12-12 CN CN201410767894.7A patent/CN104485631A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100356646C (en) * | 2001-02-13 | 2007-12-19 | 住友电气工业株式会社 | Terminal structure of extreme-low temperature equipment |
| CN1954468A (en) * | 2005-02-15 | 2007-04-25 | 住友电气工业株式会社 | End structure of superconducting cable |
| CN101911217A (en) * | 2008-01-25 | 2010-12-08 | Ls电线有限公司 | Terminal apparatus with built-in fault current limiter for superconducting cable system |
| CN102956327A (en) * | 2011-08-30 | 2013-03-06 | 云南电力试验研究院（集团）有限公司电力研究院 | Superconducting cable end socket structure |
| CN103247995A (en) * | 2012-02-03 | 2013-08-14 | 昭和电线电缆系统株式会社 | Terminal device of ultralow temperature apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994534A (en) * | 2019-12-13 | 2020-04-10 | 华中科技大学 | Multi-section current lead based on evaporative cooling |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150401 |