CN219658453U - Insulating superconductive power cable - Google Patents
Insulating superconductive power cable Download PDFInfo
- Publication number
- CN219658453U CN219658453U CN202222974089.4U CN202222974089U CN219658453U CN 219658453 U CN219658453 U CN 219658453U CN 202222974089 U CN202222974089 U CN 202222974089U CN 219658453 U CN219658453 U CN 219658453U
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- CN
- China
- Prior art keywords
- conductor
- layer
- power cable
- insulation layer
- conductor mounting
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- 239000004020 conductor Substances 0.000 claims abstract description 78
- 239000010410 layer Substances 0.000 claims description 50
- 238000009413 insulation Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 14
- 239000011241 protective layer Substances 0.000 claims description 7
- 239000012774 insulation material Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims 1
- 230000000694 effects Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920001875 Ebonite Polymers 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
The utility model discloses an insulating superconducting power cable, which comprises a conductor mounting rack, wherein a plurality of conductor mounting grooves are formed in the outer wall of the conductor mounting rack, conductors are mounted in the conductor mounting grooves, a plurality of cavities are formed between the conductor mounting grooves in the inner wall of the conductor mounting rack, low-temperature mediums are arranged in the cavities, and supporting pipes are formed in the inner sides of the cavities.
Description
Technical Field
The utility model relates to the field of superconducting cables, in particular to an insulating superconducting power cable.
Background
Along with the development of the economy in China and the continuous increase of corresponding power demands, the contradiction between the increase of urban power supply demands and the shortage of power supply corridors is relieved, and the application of more green superconducting power transmission begins to be on schedule. The superconducting cable is used as superconducting power equipment with the most development prospect in the technical field of the current superconducting power, has remarkable advantages compared with the traditional cable in the process of transmitting electric energy due to the zero resistance characteristic, and can realize low-voltage high-current high-electric energy density power transmission. At the same voltage level, superconducting cables have significantly higher power transfer capability and less floor space than conventional cables. The preparation and application of the second generation superconducting tape are mature, a foundation is laid for the application of the superconducting cable, and the superconducting cable has the advantages of low loss, large capacity, small volume, no pollution and the like, can fully utilize the laying pipeline of the conventional power cable, and can reduce electromagnetic pollution. The operating conditions of superconducting cables are greatly different from those of conventional cables, and superconducting conductors are required to operate under low-temperature conditions.
The superconducting power cable is generally formed by tightly winding a plurality of superconducting power conductors, each superconducting power conductor is difficult to fully contact with a low-temperature medium, the cooling effect of the low-temperature medium on the power conductors is affected, the heat dissipation inside the cable is poor, and the superconducting cable is exposed to quench risks. Accordingly, a person skilled in the art provides an insulated superconducting power cable to solve the problems set forth in the background art described above.
Disclosure of Invention
In order to solve the technical problems, the utility model provides an insulating superconducting power cable, which comprises a conductor mounting rack, wherein a plurality of conductor mounting grooves are formed on the outer wall of the conductor mounting rack, conductors are mounted in the conductor mounting grooves, a plurality of cavities are formed between the conductor mounting grooves in the inner wall of the conductor mounting rack, a low-temperature medium is arranged in the cavities, and supporting pipes are formed on the inner sides of the cavities in the conductor mounting rack.
Preferably: the conductor consists of a plurality of superconducting power-on conductors, and an inner insulating layer surrounds the outer sides of the superconducting power-on conductors.
Preferably: the outside of interior insulating layer is provided with the protective layer, the protective layer outside is provided with the heat conduction layer, the heat conduction layer is made for heat conduction material.
Preferably: the external protection structure comprises an internal heat insulation layer, wherein the internal heat insulation layer is arranged outside the conductor mounting frame and the conductor in a surrounding mode, and the internal heat insulation layer is made of heat insulation materials.
Preferably: the outside of interior heat preservation encircles and is provided with outer insulating layer, the outside of outer insulating layer is provided with the shielding material layer.
Preferably: the outside of shielding material layer is provided with outside heat preservation, the outside of outside heat preservation is provided with the shell.
Preferably: the cavity is communicated with the inside of the support tube, and a low-temperature medium is arranged in the support tube.
The utility model has the technical effects and advantages that:
according to the utility model, the conductor mounting groove matched with the conductor in shape is arranged, so that the outer wall of the conductor can be fully contacted with the conductor mounting groove, the contact area between the low-temperature medium in the cavity and the conductor is increased, the heat absorption performance is improved, the cooling effect of the low-temperature medium on the conductor is improved, the overall heat dissipation of the cable is improved, and the recovery speed of the cable after the cable loses superconductivity is accelerated.
Drawings
Fig. 1 is a schematic view of the overall structure of an insulated superconducting power cable according to an embodiment of the present utility model;
fig. 2 is a schematic structural view of an external protection structure in an insulated superconducting power cable according to an embodiment of the present utility model;
fig. 3 is a schematic structural view of a conductor mount in an insulated superconducting power cable according to an embodiment of the present utility model;
fig. 4 is a schematic structural view of a conductor in an insulated superconducting power cable according to an embodiment of the present utility model;
in the figure: 1. a conductor mount; 101. a conductor mounting groove; 102. a cavity; 103. a support tube; 2. a conductor; 21. a superconducting current-carrying conductor; 22. an inner insulating layer; 23. a protective layer; 24. a heat conducting layer; 3. an outer protective structure; 31. an inner insulation layer; 32. an outer insulating layer; 33. a shielding material layer; 34. an external insulation layer; 35. a housing.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1
Referring to fig. 1 to 4, in this embodiment, an insulated superconducting power cable is provided, including a conductor mounting rack 1, a plurality of conductor mounting grooves 101 are formed on the outer wall of the conductor mounting rack 1, a conductor 2 is mounted inside each conductor mounting groove 101, a plurality of cavities 102 are formed between the plurality of conductor mounting grooves 101 inside the inner wall of the conductor mounting rack 1, a low-temperature medium is disposed inside the cavities 102, a supporting tube 103 is formed inside the plurality of cavities 102 inside the conductor mounting rack 1, the outer wall of the conductor 2 can be fully contacted with the conductor mounting grooves 101 through the conductor mounting grooves 101 matched with the shape of the conductor 2, the contact area of the low-temperature medium inside the cavities and the conductor 2 is improved, the heat absorption performance is improved, the cooling effect of the low-temperature medium on the conductor 2 is improved, the whole heat dissipation of the cable is improved, and the recovery speed of the cable after the superconducting cable is lost is accelerated.
It will be appreciated that in this embodiment, the conductor 2 is composed of a plurality of superconducting current-carrying conductors 21, and an inner insulating layer 22 is surrounded on the outer side of the plurality of superconducting current-carrying conductors 21, and the inner insulating layer 22 is made of PPLP, OPPL, PP or polytetrafluoroethylene film material.
It can be understood that, in this embodiment, the protective layer 23 is disposed outside the inner insulating layer 22, the heat conducting layer 24 is disposed outside the protective layer 23, the heat conducting layer 24 is made of a heat conducting material, and the heat conducting layer 24 made of the heat conducting material can quickly absorb heat generated by energizing the superconducting energizing conductor 21 and quickly conduct to the outside, so as to improve heat conducting performance.
It will be appreciated that in this embodiment, the outer protective structure 3 includes an inner insulation layer 31, the inner insulation layer 31 is disposed around the outer portions of the conductor mount 1 and the conductor 2, and the inner insulation layer 31 is made of insulation material.
It can be understood that, in this embodiment, the outer insulating layer 32 is disposed around the outer side of the inner insulating layer 31, the shielding material layer 33 is disposed on the outer side of the outer insulating layer 32, and the shielding material layer 33 is made of copper material, which is mainly used for shielding an electric field, and no current passes through the shielding material layer, and can be grounded at one end or two ends.
It will be appreciated that in this embodiment, the outer side of the shielding material layer 33 is provided with the outer insulation layer 34, the outer side of the outer insulation layer 34 is provided with the outer shell 35, the outer insulation layer 34 is made of insulation material, so that the outer conduction of the temperature of the internal low-temperature medium can be avoided, the outer shell is made of hard rubber material, and a certain protection effect can be played on the internal material.
It can be understood that in this embodiment, the cavity 102 is communicated with the inside of the support tube 103, the low-temperature medium is arranged inside the support tube 103, and the volume of the cavity 102 is increased by the communication between the cavity 102 and the inside of the support tube 103, so that the volume of the low-temperature medium is greatly increased, and the heat conduction efficiency is improved.
The working principle of the utility model is as follows:
through being provided with conductor 2 appearance assorted conductor mounting groove 101 for the outer wall of conductor 2 can fully contact with conductor mounting groove 101, promotes the inside low temperature medium of cavity and conductor 2's area of contact, promotes the heat absorption performance, promotes the cooling effect of low temperature medium to conductor 2, is favorable to improving the holistic heat dispersion of cable, accelerates the recovery speed after the cable loses the superconductive.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (7)
1. The utility model provides an insulating superconductive power cable, includes conductor mount (1), its characterized in that, the outer wall of conductor mount (1) is formed with a plurality of conductor mounting groove (101), every conductor (2) are all installed to conductor mounting groove (101) inside, conductor mount (1) inside is located between a plurality of conductor mounting groove (101) and is formed with a plurality of cavitys (102), the inside of cavity (102) is provided with low temperature medium, the inside of being located a plurality of cavities (102) of conductor mount (1) is formed with stay tube (103).
2. An insulated superconducting power cable according to claim 1, characterized in that the conductor (2) consists of several superconducting current-carrying conductors (21), several of which superconducting current-carrying conductors (21) are surrounded by an inner insulating layer (22).
3. An insulated superconducting power cable according to claim 2, characterized in that a protective layer (23) is provided outside the inner insulating layer (22), a heat conducting layer (24) is provided outside the protective layer (23), and the heat conducting layer (24) is made of a heat conducting material.
4. An insulated superconducting power cable according to claim 1, characterized in that the outer protective structure (3) comprises an inner insulation layer (31), the inner insulation layer (31) is arranged around the outside of the conductor mounting frame (1) and the conductor (2), and the inner insulation layer (31) is made of insulation material.
5. An insulated superconducting power cable according to claim 4, characterized in that the outer side of the inner insulation layer (31) is provided with an outer insulation layer (32) around, the outer side of the outer insulation layer (32) being provided with a shielding material layer (33).
6. An insulated superconducting power cable according to claim 5, characterized in that the shielding material layer (33) is provided with an outer insulation layer (34) on the outside, the outer insulation layer (34) being provided with a housing (35) on the outside.
7. An insulated superconducting power cable according to claim 1, characterized in that the cavity (102) communicates with the interior of a support tube (103), the interior of the support tube (103) being provided with a cryogenic medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222974089.4U CN219658453U (en) | 2022-11-09 | 2022-11-09 | Insulating superconductive power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222974089.4U CN219658453U (en) | 2022-11-09 | 2022-11-09 | Insulating superconductive power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219658453U true CN219658453U (en) | 2023-09-08 |
Family
ID=87861224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222974089.4U Active CN219658453U (en) | 2022-11-09 | 2022-11-09 | Insulating superconductive power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219658453U (en) |
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2022
- 2022-11-09 CN CN202222974089.4U patent/CN219658453U/en active Active
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