CN220439267U - 66kv crosslinked polyethylene insulation bunched alternating-current submarine power cable - Google Patents
66kv crosslinked polyethylene insulation bunched alternating-current submarine power cable Download PDFInfo
- Publication number
- CN220439267U CN220439267U CN202321720736.7U CN202321720736U CN220439267U CN 220439267 U CN220439267 U CN 220439267U CN 202321720736 U CN202321720736 U CN 202321720736U CN 220439267 U CN220439267 U CN 220439267U
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- Prior art keywords
- water
- resistant
- crosslinked polyethylene
- arranged outside
- layer
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- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 41
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 41
- 238000009413 insulation Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000004020 conductor Substances 0.000 claims abstract description 27
- 240000005572 Syzygium cordatum Species 0.000 claims abstract description 25
- 235000006650 Syzygium cordatum Nutrition 0.000 claims abstract description 25
- 239000003292 glue Substances 0.000 claims abstract description 23
- 239000002131 composite material Substances 0.000 claims abstract description 11
- 229920003023 plastic Polymers 0.000 claims abstract description 11
- 239000004033 plastic Substances 0.000 claims abstract description 11
- 239000013535 sea water Substances 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004065 semiconductor Substances 0.000 claims description 26
- 230000003287 optical effect Effects 0.000 claims description 12
- 239000004698 Polyethylene Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 7
- 239000004745 nonwoven fabric Substances 0.000 claims description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 5
- 239000008397 galvanized steel Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims 2
- 230000001070 adhesive effect Effects 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 abstract description 18
- 230000004224 protection Effects 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007774 longterm Effects 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
- 230000035515 penetration Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 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 the technical field of cables, in particular to a 66kv crosslinked polyethylene insulation bunched alternating current submarine power cable, which comprises a conductor, wherein a conductor shielding layer, a first water tree-resistant crosslinked polyethylene layer, an insulation shielding layer, a semiconductive water-blocking tape I, a copper wire shielding layer, a semiconductive water-blocking tape II, an aluminum-plastic composite tape, an inner sheath, a filling strip, waterproof glue, an inner liner, a second water tree-resistant crosslinked polyethylene layer, an armor layer and an outer sheath are sequentially arranged outside the conductor; the device increases the waterproof strength of the cable through the mode of integrally forming and fixedly connecting the conductor, the conductor shielding layer, the first water-tree-resistant crosslinked polyethylene layer and the insulating shielding layer, can prolong the service life of the insulated cable, improves the integral insulativity and the waterproofness, still can normally operate under the influence of seawater, is provided with the water blocking tape and is coated with water blocking glue on the outer surface of the water blocking tape, has excellent water blocking effect and strengthens the water blocking performance of the insulated cable.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a 66kv crosslinked polyethylene insulation bunched alternating current submarine power cable.
Background
The submarine cable is used as an important component in the power industry, the application range of the submarine cable is gradually expanded, different fields are gradually involved, however, the submarine cable is difficult to install and maintain, so that the polymer insulated submarine power cable is gradually concerned in the industry, and in the submarine cable with the voltage of more than 64kv, the polyethylene crosslinked cable is superior to other insulating materials in insulativity, ageing resistance, UV resistance and oil resistance, and is widely concerned in the industry;
however, the problems of polyethylene crosslinked cables, insulating property, abrasion resistance and protection become main factors restricting the development and application of submarine cables;
secondly, the water blocking performance inside the cable is poor, so that the conductor is aged, the water blocking and preventing performance is poor, and the service life of the cable is reduced;
therefore, we propose a 66kv cross-linked polyethylene insulation bunched alternating current submarine power cable to solve the problems that the power cable, insulation performance, abrasion resistance and protection performance of the device are poor, the water blocking performance inside the cable is poor, the conductor is aged, the water blocking and waterproof performance is poor, and the service life of the cable is reduced.
Disclosure of Invention
The utility model aims to provide a 66kv crosslinked polyethylene insulation bunched alternating current submarine power cable, which aims to solve the problems that the power cable, insulation performance, wear resistance and protection performance proposed in the background art are poor, the water blocking performance inside the cable is poor, the conductor is aged, the water blocking and waterproof performance is poor, and the service life of the cable is shortened.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the 66kv crosslinked polyethylene insulation bunched alternating current submarine power cable comprises a conductor, wherein a conductor shielding layer is arranged outside the conductor, a first water-tree-resistant crosslinked polyethylene layer is arranged outside the conductor shielding layer, an insulation shielding layer is arranged outside the first water-tree-resistant crosslinked polyethylene layer, a semiconductor water-resistant belt I is arranged outside the insulation shielding layer, a copper wire shielding layer is arranged outside the semiconductor water-resistant belt I, a semiconductor water-resistant belt II is arranged outside the copper wire shielding layer, an aluminum-plastic composite belt is arranged outside the semiconductor water-resistant belt II, an inner sheath is arranged outside the aluminum-plastic composite belt, a filling strip is arranged between gaps outside the inner sheath, glue is arranged outside the filling strip and the inner sheath, an inner liner is arranged outside the water-proof glue, a second water-tree-resistant crosslinked polyethylene layer is arranged outside the inner liner, an armor layer is arranged outside the second water-resistant crosslinked polyethylene layer, and an outer sheath is arranged outside the armor layer;
an optical cable installation groove is formed in the middle of the outer side of the filling strip, and an optical cable is arranged in the optical cable installation groove;
the thickness of the first water tree-resistant crosslinked polyethylene layer and the second water tree-resistant crosslinked polyethylene layer is not smaller than 12.0mm;
the conductor shielding layer, the first water tree-resistant crosslinked polyethylene layer and the insulating shielding layer are integrally formed;
the semiconductor water-resistant belt I and the semiconductor water-resistant belt II are made of semi-conductive non-woven fabrics, the thickness of the semi-conductive non-woven fabrics is not smaller than 6.0mm, the outer surfaces of the semiconductor water-resistant belt I and the semiconductor water-resistant belt II are coated with water-blocking glue, and the thickness of the water-blocking glue is not smaller than 3mm;
the inner sheath adopts a PE sheath, and the thickness of the PE sheath is 2.7mm;
the waterproof glue is wrapped on the outer surfaces of the inner sheath and the filling strips;
the armor layer consisted of 5.0X108 galvanized steel wires resistant to seawater corrosion, where 5.0 represents a diameter of 5.0mm.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the 66kv crosslinked polyethylene insulation bunched alternating current submarine power cable, the waterproof strength of the cable is improved by arranging the conductor, the conductor shielding layer, the first water tree-resistant crosslinked polyethylene layer and the insulation shielding layer to be integrally and fixedly connected, the service life of the insulated cable can be prolonged, the thickness of the first water tree-resistant crosslinked polyethylene layer is not less than 12.0mm, the insulativity and the waterproofness are improved, the cable can still normally run under the influence of seawater, and the outer surfaces of the semiconductor resistor water band I and the semiconductor resistor water band II are coated with water blocking glue through the wrapping arrangement of the semiconductor resistor water band I and the semiconductor resistor water band II, so that the cable has an excellent water blocking effect and the water blocking performance of the insulated cable is enhanced;
2. the 66kv crosslinked polyethylene insulating bunched alternating current submarine power cable has the advantages that gaps generated inside the cable can be filled by arranging the waterproof glue, the waterproof glue wraps the outer surfaces of the filling strips and the inner sheath to comprehensively protect, water penetration can be avoided, the overall insulating performance is improved, the combined structure of the waterproof glue and the second water tree-resistant crosslinked polyethylene layer is used as a water blocking layer, the excellent water blocking effect is achieved, the water blocking performance of the cable is enhanced, the armor layer is composed of 5.0X108 galvanized steel wires resistant to seawater corrosion, the overall protection performance and the wear resistance of the cable can be improved, the characteristic of being difficult to rust is achieved, the corrosion of seawater can be avoided, the protection performance of the overall structure can be improved by covering and wrapping of the outer sheath, and the long-term safe use of the cable on the seabed is facilitated;
3. the copper wire shielding layer, the semiconductor water-resistant belt II, the aluminum-plastic composite belt and the inner sheath are not provided with lead sheaths, so that the environment-friendly requirement is met, the short-circuit current is far higher than that of the lead sheaths, and the aluminum-plastic composite belt and the semiconductive PE sheaths are combined, so that the waterproof performance is excellent;
4. the middle part of the outer side of the filling strip is provided with an optical cable installation groove, and an optical cable is arranged in the optical cable installation groove, so that functions are diversified.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
fig. 2 is a schematic view of the arrangement of the conductor to the inner sheath in the present utility model.
Detailed Description
Referring to fig. 1 and 2, in an embodiment of the present utility model;
a66 kv crosslinked polyethylene insulation bunched alternating current submarine power cable comprises a conductor 1, wherein a conductor shielding layer 2 is arranged outside the conductor 1, a first water tree-resistant crosslinked polyethylene layer 3 is arranged outside the conductor shielding layer 2, an insulation shielding layer 4 is arranged outside the first water tree-resistant crosslinked polyethylene layer 3, the conductor shielding layer 2, the first water tree-resistant crosslinked polyethylene layer 3 and the insulation shielding layer 4 are integrally formed, a semi-conductive water-resistant belt I5 is arranged outside the insulation shielding layer 4, a copper wire shielding layer 6 is arranged outside the semi-conductive water-resistant belt I5, a semi-conductive water-resistant belt II 7 is arranged outside the copper wire shielding layer 6, the semi-conductive water-resistant belt I5 and the semi-conductive water-resistant belt II 7 are made of semi-conductive non-woven fabrics, the thicknesses of the semi-conductive water-resistant belt I5 and the semi-conductive water-resistant belt II 7 are both coated with water-resistant glue, the thickness of the waterproof glue is not less than 3mm, an aluminum-plastic composite belt 8 is arranged outside the semiconductor water-resistant belt II 7, an inner sheath 9 is arranged outside the aluminum-plastic composite belt 8, the inner sheath 9 adopts a PE sheath, the thickness of the PE sheath is 2.7mm, a filling strip 10 is arranged between the gaps outside the inner sheath 9, waterproof glue 11 is arranged outside the filling strip 10 and the inner sheath 9, the waterproof glue 11 is wrapped on the outer surfaces of the inner sheath 9 and the filling strip 10, an inner liner 12 is arranged outside the waterproof glue 11, a second water-tree crosslinked polyethylene layer 13 is arranged outside the inner liner 12, the thicknesses of the first water-tree crosslinked polyethylene layer 3 and the second water-tree crosslinked polyethylene layer 13 are not less than 12.0mm, an armor layer 14 is arranged outside the second water-tree crosslinked polyethylene layer 13, the armor layer 14 consists of 5.0X108 seawater corrosion resistant galvanized steel wires, an outer sheath 15 is provided outside the armour layer 14.
According to the utility model, the conductor shielding layer, the first water-tree-resistant crosslinked polyethylene layer and the insulating shielding layer are arranged in an integrated forming and fixing manner, so that the waterproof strength of the cable is improved, the service life of the insulated cable can be prolonged, the thickness of the first water-tree-resistant crosslinked polyethylene layer is not less than 12.0mm, the insulativity and the waterproof property are improved, the insulated cable can still normally run under the influence of seawater, the semiconductor water-blocking tape I and the semiconductor water-blocking tape II are wrapped and arranged, and meanwhile, the outer surfaces of the semiconductor water-blocking tape I and the semiconductor water-blocking tape II are coated with water-blocking glue, so that the insulated cable has excellent water-blocking effect and the water-blocking property of the insulated cable is enhanced; the waterproof glue is arranged to fill gaps generated in the cable, the waterproof glue wraps the filling strips and the outer surface of the inner sheath to comprehensively protect the cable, water penetration can be avoided, the overall insulation performance is improved, the combined structure of the waterproof glue and the second water tree-resistant crosslinked polyethylene layer is used as a water blocking layer, the waterproof effect is excellent, the waterproof performance of the cable is enhanced, the armor layer consists of 5.0X108 galvanized steel wires resistant to seawater corrosion, the overall protection performance and the wear resistance of the cable can be improved, the characteristic of difficult rusting is realized, seawater corrosion can be avoided, the protection performance of the overall structure can be improved through the covering and wrapping of the outer sheath, and the cable is beneficial to long-term safe use on the seabed; the copper wire shielding layer, the semiconductor water-resistant belt II, the aluminum-plastic composite belt and the inner sheath are not provided with lead sheaths, so that the environment-friendly requirement is met, the short-circuit current is far higher than that of the lead sheaths, and the aluminum-plastic composite belt and the semiconductive PE sheaths are combined, so that the waterproof performance is excellent; the middle part of the outer side of the filling strip is provided with an optical cable installation groove, and an optical cable is arranged in the optical cable installation groove, so that functions are diversified.
The present utility model provides a method and a thought, and a method for implementing the technical scheme are numerous, the above description is only a preferred embodiment of the present utility model, and it should be noted that, for those skilled in the art, several improvements and modifications can be made, and these improvements and modifications should also be regarded as protection scope of the present utility model, and each component that is not explicitly described in the present embodiment can be implemented by the prior art.
Claims (1)
1. A66 kv crosslinked polyethylene insulation bunched alternating current submarine power cable is characterized by comprising a conductor (1), wherein a conductor shielding layer (2) is arranged outside the conductor (1), a first water-resistant tree crosslinked polyethylene layer (3) is arranged outside the conductor shielding layer (2), an insulating shielding layer (4) is arranged outside the first water-resistant tree crosslinked polyethylene layer (3), a semiconductor water-resistant belt I (5) is arranged outside the insulating shielding layer (4), a copper wire shielding layer (6) is arranged outside the semiconductor water-resistant belt I (5), a semiconductor water-resistant belt II (7) is arranged outside the copper wire shielding layer (6), an aluminum-plastic composite belt (8) is arranged outside the semiconductor water-resistant belt II (7), an inner sheath (9) is arranged outside the aluminum-plastic composite belt (8), a filling strip (10) is arranged between external gaps of the inner sheath (9), a waterproof adhesive (11) is arranged outside the filling strip (10) and the inner sheath (9), an inner liner (12) is arranged outside the insulating adhesive (11), a second water-resistant tree crosslinked polyethylene layer (13) is arranged outside the second water-resistant tree crosslinked polyethylene layer (13), an outer sheath (15) is arranged outside the armor layer (14);
an optical cable installation groove (16) is formed in the middle of the outer side of the filling strip (10), and an optical cable (17) is arranged in the optical cable installation groove (16);
the thicknesses of the first water tree-resistant crosslinked polyethylene layer (3) and the second water tree-resistant crosslinked polyethylene layer (13) are not smaller than 12.0mm;
the conductor shielding layer (2), the first water tree-resistant crosslinked polyethylene layer (3) and the insulating shielding layer (4) are integrally formed;
the semiconductor water-resistant belt I (5) and the semiconductor water-resistant belt II (7) are made of semi-conductive non-woven fabrics, the thicknesses of the semi-conductive non-woven fabrics and the semi-conductive non-woven fabrics are not smaller than 6.0mm, water-blocking glue is coated on the outer surfaces of the semiconductor water-resistant belt I (5) and the semi-conductive water-resistant belt II (7), and the thickness of the water-blocking glue is not smaller than 3mm;
the inner sheath (9) adopts a PE sheath, and the thickness of the PE sheath is 2.7mm;
the waterproof glue (11) is wrapped on the outer surfaces of the inner sheath (9) and the filling strips (10);
the armor layer (14) is composed of 5.0X108 galvanized steel wires resistant to seawater corrosion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321720736.7U CN220439267U (en) | 2023-07-04 | 2023-07-04 | 66kv crosslinked polyethylene insulation bunched alternating-current submarine power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321720736.7U CN220439267U (en) | 2023-07-04 | 2023-07-04 | 66kv crosslinked polyethylene insulation bunched alternating-current submarine power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220439267U true CN220439267U (en) | 2024-02-02 |
Family
ID=89701229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321720736.7U Active CN220439267U (en) | 2023-07-04 | 2023-07-04 | 66kv crosslinked polyethylene insulation bunched alternating-current submarine power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220439267U (en) |
-
2023
- 2023-07-04 CN CN202321720736.7U patent/CN220439267U/en active Active
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