CN221994188U - Special power cables for ships - Google Patents
Special power cables for ships Download PDFInfo
- Publication number
- CN221994188U CN221994188U CN202323313679.3U CN202323313679U CN221994188U CN 221994188 U CN221994188 U CN 221994188U CN 202323313679 U CN202323313679 U CN 202323313679U CN 221994188 U CN221994188 U CN 221994188U
- Authority
- CN
- China
- Prior art keywords
- layer
- conductor
- flame
- cable
- fire
- 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.)
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Links
- 239000010410 layer Substances 0.000 claims abstract description 64
- 239000004020 conductor Substances 0.000 claims abstract description 37
- 239000003063 flame retardant Substances 0.000 claims abstract description 35
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 23
- 238000004804 winding Methods 0.000 claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920000098 polyolefin Polymers 0.000 claims abstract description 13
- 238000009954 braiding Methods 0.000 claims abstract description 8
- 239000011241 protective layer Substances 0.000 claims abstract description 8
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 4
- 239000010445 mica Substances 0.000 claims description 5
- 229910052618 mica group Inorganic materials 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 7
- 230000032683 aging Effects 0.000 description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 description 3
- 239000004703 cross-linked polyethylene Substances 0.000 description 3
- 235000006650 Syzygium cordatum Nutrition 0.000 description 2
- 240000005572 Syzygium cordatum Species 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model relates to a special power cable for a ship. The cable comprises a plurality of conductor wire cores, wherein each conductor wire core comprises a conductor, a fire-resistant layer and a crosslinked polyolefin insulating layer, the conductor is formed by twisting and compacting tinned copper wires, and the conductor is wrapped with the fire-resistant layer and extruded with the crosslinked polyolefin insulating layer to form the conductor wire core; the cable is characterized in that the plurality of conductor cores and the halogen-free flame-retardant water-blocking filling rope are stranded into a cable, a first flame-retardant water-blocking tape winding layer is arranged outside the cable core, an inner protective layer is arranged outside the first flame-retardant water-blocking tape winding layer, a tinned copper wire braiding armor layer is arranged outside the inner protective layer, a second flame-retardant water-blocking tape winding layer is arranged outside the tinned copper wire braiding armor layer, and a halogen-free flame-retardant polyolefin outer sheath is extruded outside the flame-retardant water-blocking tape winding layer. The utility model has compact structure, saves cost, blocks water and resists flame, and is mainly suitable for connecting wires of power lines with rated voltage of 0.6/1 kV.
Description
Technical Field
The utility model relates to a power cable, in particular to a special power cable for a ship.
Background
The marine cable accelerates insulation aging due to the fact that water trees and electricity trees are generated due to the factors of humidity, water immersion and the like, insulation resistance is reduced, loss caused by fire disaster due to cable breakdown is serious, and development of industry, agriculture and economy and life of people are seriously affected. The service life of the crosslinked polyethylene cable is important, the service life of the crosslinked polyethylene cable, especially the middle and high voltage cable, is often determined by the aging degree of insulation, and the aging degree of insulation is limited by branch discharge, namely the influence of water trees and electric trees, so that the reduction of the insulation moisture content is one of methods for improving the service life of the crosslinked polyethylene insulated power cable, and particularly the fire resistance of the cable, which is caused by cable breakdown and causes fire, is more and more important along with the improvement of voltage level.
Disclosure of utility model
The utility model aims to provide a special power cable for ships, which has the advantages of compact structure, cost saving and water resistance and flame retardance, so as to solve the problems in the prior art.
The technical scheme of the utility model is as follows: the special power cable for the ship comprises a plurality of conductor wire cores, wherein each conductor wire core comprises a conductor, a fire-resistant layer and a crosslinked polyolefin insulating layer, the conductor is formed by twisting and compacting tinned copper wires, and the conductor is wrapped with the fire-resistant layer and extruded with the crosslinked polyolefin insulating layer to form the conductor wire core; the cable is characterized in that the plurality of conductor cores and the halogen-free flame-retardant water-blocking filling rope are stranded into a cable, a first flame-retardant water-blocking tape winding layer is arranged outside the cable core, an inner protective layer is arranged outside the first flame-retardant water-blocking tape winding layer, a tinned copper wire braiding armor layer is arranged outside the inner protective layer, a second flame-retardant water-blocking tape winding layer is arranged outside the tinned copper wire braiding armor layer, and a halogen-free flame-retardant polyolefin outer sheath is extruded outside the flame-retardant water-blocking tape winding layer.
Preferably, the fire-resistant layer is a mica tape fire-resistant layer.
Preferably, the inner sheath is an aluminum-poly bonding inner sheath.
The beneficial effects of the utility model are as follows:
(1) The conductor adopts the structure of sticis, and conductor surface after sticis is level and smooth, and the flame retardant coating can closely adhere to conductor surface, reduces the clearance of flame retardant coating and insulating layer because of conductor self unevenness causes. Thus, the electric field distribution is uniform, the electric performance of cable insulation is enhanced, the consumption of a fire-resistant layer is saved, and the cost can be effectively reduced;
(2) The water-blocking rope filling, the water-blocking tape wrapping and the aluminum-poly bonding sheath structure are integrated, so that the product has excellent water-blocking performance;
(3) The fire-resistant layer of the wrapped mica tape, the fire-resistant rope filling, the wrapping of the fire-resistant tape and the halogen-free fire-resistant outer sheath improve the halogen-free fire-resistant performance of the product.
The utility model is mainly suitable for connecting wires of power lines with rated voltage of 0.6/1 kV.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure, 1 is a conductor, 2 is a fire-resistant layer, 3 is an insulating layer, 4 is a halogen-free flame-retardant water-blocking filling rope, 5 is a flame-retardant water-blocking tape wrapping layer I, 6 is an inner protecting layer, 7 is a tinned copper wire woven armor layer, 8 is a flame-retardant water-blocking tape wrapping layer II, and 9 is a halogen-free flame-retardant polyolefin outer sheath.
Detailed Description
The special power cable for the ship comprises a plurality of conductor wire cores, wherein each conductor wire core comprises a conductor 1, a fire-resistant layer 2 and a crosslinked polyolefin insulating layer 3, the conductor 1 is formed by twisting and compacting tinned copper wires, and the conductor 1 is wrapped with the fire-resistant layer 2 and extruded with the crosslinked polyolefin insulating layer 3 to form a conductor wire core; the cable is characterized in that the plurality of conductor cores and the halogen-free flame-retardant water-blocking filling rope 4 are twisted into a cable, a flame-retardant water-blocking tape winding layer I5 is arranged outside the cable cores, an inner protection layer 6 is arranged outside the flame-retardant water-blocking tape winding layer I5, a tinned copper wire braiding armor layer 7 is arranged outside the inner protection layer 6, a flame-retardant water-blocking tape winding layer II 8 is arranged outside the tinned copper wire braiding armor layer 7, and a halogen-free flame-retardant polyolefin outer sheath 9 is extruded outside the flame-retardant water-blocking tape winding layer II.
The fire-resistant layer 2 is a mica tape fire-resistant layer.
The inner protective layer 6 is an aluminum-poly bonding inner protective layer.
The conductor 1 of the utility model adopts a compacting structure, the surface of the compacted conductor is smooth, the fire-resistant layer 2 can be tightly attached to the surface of the conductor 1, and the gap between the fire-resistant layer 2 and the insulating layer 3 caused by the rugged surface of the conductor 1 is reduced. Thus, the electric field distribution is uniform, the electric performance of cable insulation is enhanced, the consumption of the refractory layer 2 is saved, and the cost can be effectively reduced;
the water-blocking rope filling, the water-blocking tape wrapping and the aluminum-poly bonding sheath structure are integrated, so that the product has excellent water-blocking performance;
The fire-retardant performance of the product is improved through wrapping the mica tape fire-retardant layer 2, filling the fire-retardant rope, wrapping the fire-retardant tape and the halogen-free fire-retardant outer sheath 9.
In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Standard parts used by the utility model can be purchased from the market, and special-shaped parts can be customized according to the description of the specification and the drawings.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. Special power cable for ship, its characterized in that: the cable comprises a plurality of conductor wire cores, wherein each conductor wire core comprises a conductor (1), a fire-resistant layer (2) and a crosslinked polyolefin insulating layer (3), the conductor (1) is formed by twisting and compacting tinned copper wires, and the conductor (1) is wrapped with the fire-resistant layer (2) and extruded with the crosslinked polyolefin insulating layer (3) to form the conductor wire core; the cable comprises a plurality of conductor cores and a halogen-free flame-retardant water-blocking filling rope (4), wherein the cable cores are externally provided with a flame-retardant water-blocking tape winding layer I (5), an inner protection layer (6) is arranged outside the flame-retardant water-blocking tape winding layer I (5), a tinned copper wire braiding armor layer (7) is arranged outside the inner protection layer (6), the tinned copper wire braiding armor layer (7) is externally provided with a flame-retardant water-blocking tape winding layer II (8), and the flame-retardant water-blocking tape winding layer II (8) is externally extruded with a halogen-free flame-retardant polyolefin outer sheath (9).
2. The special power cable for ships according to claim 1, wherein: the fire-resistant layer (2) is a mica tape fire-resistant layer.
3. The special power cable for ships according to claim 1, wherein: the inner protective layer (6) is an aluminum-poly bonding inner protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323313679.3U CN221994188U (en) | 2023-12-06 | 2023-12-06 | Special power cables for ships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323313679.3U CN221994188U (en) | 2023-12-06 | 2023-12-06 | Special power cables for ships |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221994188U true CN221994188U (en) | 2024-11-12 |
Family
ID=93370410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323313679.3U Active CN221994188U (en) | 2023-12-06 | 2023-12-06 | Special power cables for ships |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221994188U (en) |
-
2023
- 2023-12-06 CN CN202323313679.3U patent/CN221994188U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |