CN201859697U - Photoelectric composite core low-temperature insulation superconductive cable - Google Patents
Photoelectric composite core low-temperature insulation superconductive cable Download PDFInfo
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- CN201859697U CN201859697U CN2010205288883U CN201020528888U CN201859697U CN 201859697 U CN201859697 U CN 201859697U CN 2010205288883 U CN2010205288883 U CN 2010205288883U CN 201020528888 U CN201020528888 U CN 201020528888U CN 201859697 U CN201859697 U CN 201859697U
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- composite core
- temperature insulation
- hyperconductive cable
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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
The utility model discloses a photoelectric composite core low-temperature insulation superconductive cable, in which a metal support is provided with a temperature measurement optical fiber arranged in a metal protection sleeve. According to the utility model, temperature of the superconductive cable can be measured in distribution by means of the temperature measurement optical fiber, such that fault point position of the superconductive cable can be discovered in time based on measured temperature to prevent the superconductive cable from breakdown due to air bubble generated by elevation of temperature. In addition, a critical current of a superconducting conductor is related with its temperature, such that an operation state of the superconductive cable can be monitored well by monitoring its temperature, a current carrying capacity of the superconductive cable is calculated, and no-failure operation of the superconductive cable is ensured.
Description
Technical field
The utility model belongs to superconduction engineering applied technical field, particularly a kind of low-temperature insulation hyperconductive cable that can carry out temperature monitoring to the cable conductor temperature.
Background technology
Some metal of hyperconductive cable utilization appearance mistake resistance phenomenon (superconducting state) under ultralow temperature and alloy thereof are as the power cable of conductor, hyperconductive cable is compared with traditional metallic cable, have the advantage that loss is low, capacity is big and volume is little, utilizing the hyperconductive cable transmission of electricity is the effective way that solves high-power transmission of electricity.The low-temperature insulation hyperconductive cable generally uses liquid nitrogen as refrigerant, makes hyperconductive cable operate in below the liquid nitrogen temperature (77K), thereby enters superconducting state.If cable temperature rises to more than the liquid nitrogen temperature, just produce bubble probably, the compressive resistance of influence insulation, even cause puncturing, therefore must the temperature of cable temperature effectively be detected.And existing low-temperature insulation hyperconductive cable generally calculates cable temperature by the mode of theoretical modeling, can not carry out distributed on-line monitoring to the cable conductor temperature., especially when local temperature raises, be difficult in time obtain reflection because some fault causes temperature to raise when cable, burn cable easily, and then have influence on the superconductivity of whole cable.
The utility model content
At above-mentioned the deficiencies in the prior art, the technical problems to be solved in the utility model provides a kind of low-temperature insulation hyperconductive cable that can carry out high accuracy, distributed temperature monitoring to the cable conductor temperature.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of photoelectricity composite core low-temperature insulation hyperconductive cable, it comprises: metal supporting frames, described metal supporting frames are provided with a thermometric optical fiber, and described thermometric optical fiber is positioned at a metal protection protector; The superconducting conductor layer is formed by the superconduction band more than wrapped two-layer or two-layer on described metal supporting frames, is separated with nonmetallic materials between described superconducting conductor layer and the described metal supporting frames; Insulating barrier, this insulating barrier is centered around the periphery of described superconducting conductor layer, is separated with semiconductive material between described insulating barrier and the described superconducting conductor layer; Screen, this screen is centered around the periphery of described insulating barrier, is separated with semiconductive material between described insulating barrier and the described screen; Jacket, described jacket are centered around described screen periphery, are full of negotiable liquid nitrogen between described jacket and the described screen.
Preferably, described metal supporting frames is metal tube or the bracing frame that formed by metal skein silk system.
Preferably, described metal supporting frames can be hollow support frame or solid bracing frame.
Preferably, be provided with semiconductive material between the adjacent two layers superconduction band on the described superconducting conductor layer.
Preferably, the superconduction band is wrapped to be not more than 90 ° wrapping angle on the described superconducting conductor layer.
Preferably, on the described superconducting conductor layer superconduction band with about 10 ° wrapped to about 30 ° wrapping angle.
Preferably, the wrapping angle of the last every layer of superconduction band of described superconducting conductor layer alternately conversion on lapping direction or pitch.
Preferably, jacket is made up of two-layer corrugated metal pipe, is provided with support between the two-layer corrugated metal pipe.
Preferably, be provided with protective material outside the described screen.
Further, described protective material is paper, cloth or plastics.
Technique scheme has following beneficial effect: this photoelectricity composite core low-temperature insulation hyperconductive cable carries out distributed measurement by the thermometric optical fiber that is arranged on the metal supporting frames to the hyperconductive cable temperature, just can in time find the hyperconductive cable position of failure point by the temperature that monitors like this, the generation bubble causes puncturing because temperature raises to prevent hyperconductive cable.Because the critical current of superconducting conductor is relevant with the superconducting conductor temperature, therefore, calculate the current capacity of hyperconductive cable in addition, guarantee the hyperconductive cable operate as normal by monitoring that the hyperconductive cable temperature can well monitor the running status of hyperconductive cable.
Description of drawings
Fig. 1 is the profile of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail.
As shown in Figure 1, this photoelectricity composite core low-temperature insulation hyperconductive cable comprises a metal supporting frames 3, this metal supporting frames 3 is a flexible metal bracing frame, metal supporting frames 3 can be that metal tube also can be the bracing frame that is formed by metal skein silk system, metal supporting frames 3 promptly can be hollow also can be solid.Be provided with a thermometric optical fiber 1 on metal supporting frames 3, thermometric optical fiber 1 can be positioned on the center or surperficial outer of this metal supporting frames 3.For preventing that thermometric optical fiber 1 is damaged, thermometric optical fiber 1 is enclosed within the metal tube protective sleeve 2.
Be surrounded by several layers of nonmetallic materials (as paper or other nonmetallic materials) on the metal supporting frames 3, be provided with on these nonmetallic materials by the wrapped superconducting conductor layer 4 that forms of the superconduction band more than two-layer or two-layer.Be provided with semiconductive material between the adjacent two layers superconduction band on the superconducting conductor layer 4, in the time of can preventing that like this hyperconductive cable is crooked, phase mutual friction between the adjacent two layers superconduction band and influence the performance of superconduction band.Superconduction band on the superconducting conductor layer 4 is wrapped to be not more than 90 ° wrapping angle.As a kind of preferred, the wrapping angle of superconduction band can be controlled between about 10 ° to 30 °, and the wrapping angle of every layer of superconduction band is alternately conversion on lapping direction or pitch.
Periphery at superconducting conductor layer 4 is enclosed with insulating barrier 5, is separated with semiconductive material between insulating barrier 5 and the superconducting conductor layer 4.The outside of insulating barrier 5 is wound with screen 6, is provided with semiconductive material between screen 6 and the insulating barrier 5, and screen 6 is all or part of to be made up of superconductor, and screen 6 outsides are provided with protective material, and this protective material can be paper, cloth or plastic or other material.The periphery of screen 6 is with a jacket, is full of between jacket and screen 6 and the liquid nitrogen 7 that circulating, and the superconduction band on 7 pairs of superconducting conductor layers 4 of liquid nitrogen and the screen 6 is lowered the temperature.
Jacket is made up of two-layer corrugated metal pipe 10, is surrounded by one deck aluminium foil 11 between the two-layer corrugated metal pipe 10 and is provided with to support 9, supports 9 and can prevent to be in contact with one another between the double-deck corrugated metal pipe 10.Adopt the jacket of this kind structure can effectively prevent heat transmission between its inside and outside both sides.Periphery at jacket also is provided with a sheath 8, and sheath 8 can effectively be protected whole hyperconductive cable.
This photoelectricity composite core low-temperature insulation hyperconductive cable in use, the thermometric optical fiber that is arranged on the metal supporting frames can carry out distributed measurement to this hyperconductive cable temperature, just can in time find position of failure point on the hyperconductive cable by the temperature that monitors like this, the generation bubble causes puncturing because temperature raises to prevent hyperconductive cable.Because the critical current of superconducting conductor is relevant with the superconducting conductor temperature, therefore, calculate the current capacity of hyperconductive cable in addition, guarantee the hyperconductive cable operate as normal by monitoring that the hyperconductive cable temperature can well monitor the running status of hyperconductive cable.
More than photoelectricity composite core low-temperature insulation hyperconductive cable that the utility model embodiment is provided be described in detail; for one of ordinary skill in the art; thought according to the utility model embodiment; part in specific embodiments and applications all can change; in sum; this description should not be construed as restriction of the present utility model, and all any changes of being made according to the utility model design philosophy are all within protection range of the present utility model.
Claims (10)
1. photoelectricity composite core low-temperature insulation hyperconductive cable is characterized in that it comprises:
Metal supporting frames, described metal supporting frames are provided with a thermometric optical fiber, and described thermometric optical fiber is positioned at a metal protection protector;
The superconducting conductor layer is formed by the superconduction band more than wrapped two-layer or two-layer on described metal supporting frames, is separated with nonmetallic materials between described superconducting conductor layer and the described metal supporting frames;
Insulating barrier, this insulating barrier is centered around the periphery of described superconducting conductor layer, is separated with semiconductive material between described insulating barrier and the described superconducting conductor layer;
Screen, this screen is centered around the periphery of described insulating barrier, is separated with semiconductive material between described insulating barrier and the described screen;
Jacket, described jacket are centered around described screen periphery, are full of negotiable liquid nitrogen between described jacket and the described screen.
2. photoelectricity composite core low-temperature insulation hyperconductive cable according to claim 1 is characterized in that: described metal supporting frames is metal tube or the bracing frame that formed by metal skein silk system.
3. photoelectricity composite core low-temperature insulation hyperconductive cable according to claim 1, it is characterized in that: described metal supporting frames can be hollow support frame or solid bracing frame.
4. photoelectricity composite core low-temperature insulation hyperconductive cable according to claim 1 is characterized in that: be provided with semiconductive material between the adjacent two layers superconduction band on the described superconducting conductor layer.
5. photoelectricity composite core low-temperature insulation hyperconductive cable according to claim 1 is characterized in that: the superconduction band is wrapped to be not more than 90 ° wrapping angle on the described superconducting conductor layer.
6. photoelectricity composite core low-temperature insulation hyperconductive cable according to claim 5, it is characterized in that: the superconduction band is wrapped with 10 ° to 30 ° wrapping angle on the described superconducting conductor layer.
7. photoelectricity composite core low-temperature insulation hyperconductive cable according to claim 1 is characterized in that: described super
8. photoelectricity composite core low-temperature insulation hyperconductive cable according to claim 1, it is characterized in that: jacket is made up of two-layer corrugated metal pipe, is provided with support between the two-layer corrugated metal pipe.
9. photoelectricity composite core low-temperature insulation hyperconductive cable according to claim 1 is characterized in that: the described screen outside is provided with protective material.
10. photoelectricity composite core low-temperature insulation hyperconductive cable according to claim 9, it is characterized in that: described protective material is paper, cloth or plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205288883U CN201859697U (en) | 2010-09-14 | 2010-09-14 | Photoelectric composite core low-temperature insulation superconductive cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205288883U CN201859697U (en) | 2010-09-14 | 2010-09-14 | Photoelectric composite core low-temperature insulation superconductive cable |
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| Publication Number | Publication Date |
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| CN201859697U true CN201859697U (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205288883U Expired - Lifetime CN201859697U (en) | 2010-09-14 | 2010-09-14 | Photoelectric composite core low-temperature insulation superconductive cable |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157366A (en) * | 2014-07-31 | 2014-11-19 | 上海超导科技股份有限公司 | Superconducting tape with measuring optical fibers sealed inside, and preparation method and device thereof |
| CN105702378A (en) * | 2016-02-29 | 2016-06-22 | 湖州凯博电子线缆有限公司 | Anti-static cable |
| CN109637737A (en) * | 2018-12-04 | 2019-04-16 | 深圳供电局有限公司 | A kind of photoelectricity complex superconducting construction of cable |
| CN109659088A (en) * | 2019-01-23 | 2019-04-19 | 深圳供电局有限公司 | A kind of new type high temperature hyperconductive cable of built-in fiber and preparation method thereof |
| CN110299228A (en) * | 2019-06-28 | 2019-10-01 | 东部超导科技（苏州）有限公司 | A kind of cold insulation direct-current high-temperature superconducting current limliting cable |
| CN110379553A (en) * | 2019-07-30 | 2019-10-25 | 自贡市赛鹏电线电缆有限公司 | A kind of cable and preparation method thereof convenient for detecting temperature change |
| CN114822982A (en) * | 2022-06-02 | 2022-07-29 | 中天科技海缆股份有限公司 | Direct current submarine cable |
-
2010
- 2010-09-14 CN CN2010205288883U patent/CN201859697U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157366A (en) * | 2014-07-31 | 2014-11-19 | 上海超导科技股份有限公司 | Superconducting tape with measuring optical fibers sealed inside, and preparation method and device thereof |
| CN105702378A (en) * | 2016-02-29 | 2016-06-22 | 湖州凯博电子线缆有限公司 | Anti-static cable |
| CN109637737A (en) * | 2018-12-04 | 2019-04-16 | 深圳供电局有限公司 | A kind of photoelectricity complex superconducting construction of cable |
| CN109659088A (en) * | 2019-01-23 | 2019-04-19 | 深圳供电局有限公司 | A kind of new type high temperature hyperconductive cable of built-in fiber and preparation method thereof |
| CN110299228A (en) * | 2019-06-28 | 2019-10-01 | 东部超导科技（苏州）有限公司 | A kind of cold insulation direct-current high-temperature superconducting current limliting cable |
| CN110379553A (en) * | 2019-07-30 | 2019-10-25 | 自贡市赛鹏电线电缆有限公司 | A kind of cable and preparation method thereof convenient for detecting temperature change |
| CN114822982A (en) * | 2022-06-02 | 2022-07-29 | 中天科技海缆股份有限公司 | Direct current submarine cable |
| CN114822982B (en) * | 2022-06-02 | 2023-11-07 | 中天科技海缆股份有限公司 | DC submarine cable |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200093 No. 1000, military road, Shanghai, Yangpu District Patentee after: Shanghai Cable Research Institute Co., Ltd. Address before: 200093 No. 1000, military road, Shanghai, Yangpu District Patentee before: Shanghai Cable Research Institute |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200331 Address after: 201900 No. 558, Shanlian Road, Baoshan District, Shanghai Patentee after: Shanghai International Superconducting Technology Co., Ltd Address before: 200093 No. 1000, military road, Shanghai, Yangpu District Patentee before: SHANGHAI ELECTRIC CABLE RESEARCH INSTITUTE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110608 |
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| CX01 | Expiry of patent term |