CN116798694A - Submarine photoelectric composite cable - Google Patents
Submarine photoelectric composite cable Download PDFInfo
- Publication number
- CN116798694A CN116798694A CN202310924230.6A CN202310924230A CN116798694A CN 116798694 A CN116798694 A CN 116798694A CN 202310924230 A CN202310924230 A CN 202310924230A CN 116798694 A CN116798694 A CN 116798694A
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- CN
- China
- Prior art keywords
- photoelectric composite
- composite cable
- insulating
- polypropylene
- conductor
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- 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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- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 239000004743 Polypropylene Substances 0.000 claims abstract description 49
- 229920001155 polypropylene Polymers 0.000 claims abstract description 44
- -1 polypropylene Polymers 0.000 claims abstract description 43
- 230000003287 optical effect Effects 0.000 claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 239000004020 conductor Substances 0.000 claims description 29
- 239000010410 layer Substances 0.000 claims description 27
- 239000000835 fiber Substances 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 10
- 239000004065 semiconductor Substances 0.000 claims description 7
- 239000011247 coating layer Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 239000004698 Polyethylene Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000004132 cross linking Methods 0.000 description 6
- 229920003020 cross-linked polyethylene Polymers 0.000 description 6
- 239000004703 cross-linked polyethylene Substances 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 240000005572 Syzygium cordatum Species 0.000 description 2
- 235000006650 Syzygium cordatum Nutrition 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 238000005536 corrosion prevention Methods 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Abstract
The invention relates to a submarine photoelectric composite cable, which comprises an insulating device, a plurality of conductive devices, a plurality of optical cables and a protecting device, wherein the conductive devices are arranged in the insulating device; a plurality of insulating devices and a plurality of optical cables are arranged in the protection device; the protective device is made of polypropylene; the insulating device is made of polypropylene; the invention reduces manufacturing procedures and increases the transmission quantity of submarine cables.
Description
Technical Field
The invention relates to the field of submarine transmission, in particular to a submarine photoelectric composite cable.
Background
As an important component of the offshore wind farm, the seabed photoelectric composite cable bears the work of electric quantity transmission and platform communication, the existing market mainly uses the crosslinked polyethylene insulated sea cable, and along with the development of the offshore wind farm, the requirement on transmission capacity is gradually increased, so that the defects and shortcomings of the existing crosslinked polyethylene insulated sea cable are led out.
The highest running temperature of the crosslinked polyethylene insulation is only 90 ℃, so that the current-carrying capacity of the submarine cable is limited, and therefore, in order to meet the requirement of the whole transmission capacity of a circuit, the specification of the submarine cable conductor 1 is required to be increased, or a loop is increased, and the production cost is high.
The production technology required for enlarging the sectional area of the conductor 1 has high requirements, more complicated working procedures and higher laying cost.
The crosslinking, degassing and other procedures are needed in the production of the crosslinked polyethylene insulation, the steps are complex, and the time is long.
The crosslinked polyethylene insulation reacts with water to produce water branches, which eventually develop into electrical branches, causing a risk of breakdown of the submarine cable.
The existing crosslinked polyethylene insulating material is a thermosetting material, is not recyclable, and has certain environmental pollution and high carbon emission in various crosslinking technologies.
Disclosure of Invention
Aiming at the problems of high manufacturing cost, long time consumption and small transmission capacity of the submarine photoelectric composite cable in the prior art, the invention provides a submarine photoelectric composite cable which comprises an insulating device, a plurality of conductive devices, a plurality of optical cables 13 and a protecting device, wherein the conductive devices and the optical cables 13 are arranged in the insulating device;
a plurality of said insulating means and a plurality of said optical cables 13) are mounted inside said protection means;
the protective device is made of polypropylene.
Preferably, the insulation means comprises a conductor 1), a conductor shield 2), an insulation layer 3) and an insulation shield 4);
the conductor shield 2) is mounted in the insulating layer 3);
the insulating layer 3) is mounted in the insulating shield 4);
the insulating layer 3) is made of polypropylene.
Preferably, the conductive means comprises a conductor 1);
the conductor 1) is mounted in the conductor shield 2);
the material of the conductor 1) is copper.
Preferably, the conductive device further comprises a lead sheath 6) and a semiconducting PE sheath 7);
the lead sheath 6) is mounted in the semiconductor PE sheath 7);
the insulating shield 4) is mounted in the lead sheath 6).
Preferably, the conductive means further comprises a semiconducting water-blocking tape 5);
the semiconducting water-blocking tape 5) is mounted between the insulating shield 4) and the lead sheath 6).
Preferably, further comprising a filler 8);
the optical cable 13) is installed in the filler 8).
Preferably, the cable tie 9 is also included;
the conductive means, the optical cable 13) and the filler 8) are mounted in the cabling tape 9);
the cabling tape 9) is mounted in the protection device.
Preferably, the protection device comprises a polypropylene rope inner liner layer 10) and a polypropylene rope fiber outer coating layer 12);
the polypropylene rope inner liner 10) is mounted in the polypropylene rope fiber outer cover 12).
Preferably, the protection device further comprises an armouring wire 11);
the armoured wires 11) are mounted between the polypropylene rope inner liner 10) and the polypropylene rope fiber outer cover 12);
the polypropylene rope fiber outer cover 12) is double-layered.
Preferably, the polypropylene rope fiber outer cover 12) is a double layer.
Compared with the closest prior art, the invention has the following beneficial effects:
1. the invention provides a submarine photoelectric composite cable, which comprises an insulating device, a plurality of conductive devices, a plurality of optical cables and a protecting device, wherein the conductive devices are arranged in the insulating device; a plurality of insulating devices and a plurality of optical cables are arranged in the protection device; the protective device is made of polypropylene; the insulating device is made of polypropylene; the invention reduces manufacturing procedures and increases the transmission quantity of submarine cables.
2. According to the invention, the polypropylene material is adopted, so that carbon emission generated during submarine cable production is reduced, and the recoverable profit of the submarine cable is greatly increased.
3. And filling water blocking strips among the single wires to realize water blocking of the conductor 1).
4. And wrapping a water blocking tape on the insulating shield 4, and extruding a lead sheath and a semiconductive PE sheath to finish the manufacture of the single wire core.
5. 3 wire cores and foaming filling materials are subjected to cabling and wrapping on a cabling machine, and 3 optical cables 13 are compounded in the filling materials.
6. And winding a layer of polypropylene fiber serving as an inner liner layer on the outer side of the cabling wrapping, wrapping a layer of steel wire armor, coating asphalt for corrosion prevention, and finally wrapping two layers of PP ropes serving as outer coating layers.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a submarine photoelectric composite cable according to the invention;
in the figure; 1. a conductor; 2. a conductor shield; 3. an insulating layer; 4. an insulating shield; 5. a semiconductor water-blocking tape; 6. a lead sleeve; 7. a semiconductor PE sheath; 8. a filler; 9. a cable-forming belting; 10. a polypropylene rope inner liner; 11. armoured wire; 12. a polypropylene rope fiber outer coating; 13. an optical cable.
Detailed Description
The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the disclosure and not to limit the scope of the disclosure, which may be embodied in many different forms and not limited to the specific embodiments disclosed herein, but rather to include all technical solutions falling within the scope of the claims.
The present disclosure provides these embodiments in order to make the present disclosure thorough and complete, and fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.
In the description of the present disclosure, unless otherwise indicated, the meaning of "plurality" is greater than or equal to two; the terms "upper," "lower," "left," "right," "inner," "outer," and the like indicate an orientation or positional relationship merely for convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present disclosure. When the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.
Furthermore, the use of the terms first, second, and the like in this disclosure do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The "vertical" is not strictly vertical but is within the allowable error range. "parallel" is not strictly parallel but is within the tolerance of the error. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements.
It should also be noted that, in the description of the present disclosure, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the present disclosure may be understood as appropriate by those of ordinary skill in the art. When a particular device is described as being located between a first device and a second device, there may or may not be an intervening device between the particular device and either the first device or the second device.
All terms used in the present disclosure have the same meaning as understood by one of ordinary skill in the art to which the present disclosure pertains, unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification.
The following describes the embodiments of the present invention in further detail with reference to the drawings.
Embodiment 1, in connection with fig. 1, the present invention provides a submarine photoelectric composite cable, comprising an insulation device, a plurality of conductive devices installed in the insulation device, a plurality of optical cables 13, and a protection device;
a plurality of insulation means and a plurality of optical cables 13 are installed in the protection means;
the protective device is made of polypropylene.
The insulation device comprises a conductor 1, a conductor shield 2, an insulation layer 3 and an insulation shield 4;
the conductor shield 2 is mounted in the insulating layer 3;
the insulating layer 3 is installed in the insulating shield 4;
the insulating layer 3 is made of polypropylene.
The conductive means comprises a conductor 1;
the conductor 1 is mounted in the conductor shield 2;
the conductor 1 material is copper.
The conductive device also comprises a lead sleeve 6 and a semiconductor PE sheath 7;
the lead sleeve 6 is arranged in the semiconductor PE sheath 7;
the insulating shield 4 is mounted in a lead sheath 6.
The conductive device further comprises a semiconductor water-blocking tape 5;
a semiconducting water-blocking tape 5 is mounted between the insulating shield 4 and the lead sheath 6.
Also comprises a filler 8;
the optical cable 13 is mounted in the filler 8.
Also comprises a cabling tape 9;
the electric conduction device, the optical cable 13 and the filler 8 are arranged in the cabling tape 9;
the cabling tape 9 is mounted in the protection device.
The protection device comprises a polypropylene rope inner liner layer 10 and a polypropylene rope fiber outer cover layer 12;
the polypropylene rope inner liner 10 is mounted in a polypropylene rope fiber outer cover 12.
The protection device also comprises an armoured wire 11;
the armoured metal wires 11 are arranged between the polypropylene rope inner liner 10 and the polypropylene rope fiber outer coating 12;
the polypropylene rope fiber outer cover 12 is double-layered.
The polypropylene rope fiber outer cover 12 is double-layered.
Example 2
The invention adopts a copper-semiconductive shielding layer-polypropylene insulation-semiconductive shielding layer-split-phase lead sleeve 6-semiconductive PE sheath-cabling wrapping-PP rope inner liner-galvanized steel wire armor-PP rope outer coating structure as the sea cable structure. According to the invention, an anti-aging polypropylene material is used as an insulating material of the 220kV submarine cable, the highest working temperature of polypropylene insulation is 120 ℃, polypropylene is recyclable as a thermoplastic material, and the polypropylene has excellent water resistance. By reforming the original crosslinking production equipment, the highest working temperature of the equipment is increased, the working stability of the equipment is improved, and the crosslinking process is not required to be carried out in the PP insulation process, so that crosslinking and subsequent degassing are not required in the production process, the energy consumption is reduced, the emission of waste gases such as carbon dioxide and the like is reduced, the production time is shortened, the breakthrough in the sea cable transmission capacity and the water tree resistance is finally realized, and the whole cost of the sea cable is reduced.
1. Improving transmission capacity of submarine cable under same voltage level
2. Improving the water tree resistance of the existing submarine cable
3. Greatly saves the time consumed in production
4. Reducing carbon emission generated during submarine cable production
5. The recoverable profit of the submarine cable is greatly increased.
Example 3
1. Drawing monofilaments and twisting the conductor 1 wire cores on a wire drawing machine and a wire twisting machine, and filling water-blocking paste among the single wires to realize conductor water blocking;
2. wrapping a semi-conductive nylon belt on the conductor 1, and then performing three layers of co-extrusion of insulation and inner and outer shielding on a modified crosslinking production line;
3. wrapping a water blocking tape on the insulating shield 4, and extruding a lead sheath and a semiconductive PE sheath to finish the manufacture of a single wire core;
4. 3 wire cores and foaming filling materials are subjected to cabling and wrapping on a cabling machine, and 3 optical cables 13 are compounded in the filling materials;
5. and winding a layer of polypropylene fiber serving as an inner liner layer on the outer side of the cabling wrapping, wrapping a layer of steel wire armor, coating asphalt for corrosion prevention, and finally wrapping two layers of PP ropes serving as outer coating layers.
The foregoing is illustrative of the present invention and is not to be construed as limiting thereof, but rather as providing for the use of additional embodiments and advantages of all such modifications, equivalents, improvements and similar to the present invention are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (10)
1. A submarine photoelectric composite cable, which is characterized by comprising an insulating device, a plurality of conductive devices, a plurality of optical cables 13 and a protecting device, wherein the conductive devices and the optical cables are arranged in the insulating device;
a plurality of said insulating means and a plurality of said optical cables 13) are mounted inside said protection means;
the protective device is made of polypropylene.
2. A submarine photoelectric composite cable according to claim 1, wherein the insulation means comprises a conductor 1), a conductor shield 2), an insulation layer 3) and an insulation shield 4);
the conductor shield 2) is mounted in the insulating layer 3);
the insulating layer 3) is mounted in the insulating shield 4);
the insulating layer 3) is made of polypropylene.
3. A submarine photoelectric composite cable according to claim 2, wherein the conductive means comprises a conductor 1);
the conductor 1) is mounted in the conductor shield 2);
the material of the conductor 1) is copper.
4. A submarine photoelectric composite cable according to claim 2, wherein the conducting means further comprises a lead sheath 6) and a semiconducting PE sheath 7);
the lead sheath 6) is mounted in the semiconductor PE sheath 7);
the insulating shield 4) is mounted in the lead sheath 6).
5. A submarine photoelectric composite cable according to claim 4, wherein the conducting means further comprises a semiconducting water-blocking tape 5);
the semiconducting water-blocking tape 5) is mounted between the insulating shield 4) and the lead sheath 6).
6. A submarine photoelectric composite cable according to claim 1, further comprising filler 8);
the optical cable 13) is installed in the filler 8).
7. A submarine photoelectric composite cable according to claim 6, further comprising a cable strapped strap 9);
the conductive means, the optical cable 13) and the filler 8) are mounted in the cabling tape 9);
the cabling tape 9) is mounted in the protection device.
8. A submarine photoelectric composite cable according to claim 1, wherein the protection device comprises a polypropylene rope inner liner layer 10) and a polypropylene rope fiber outer coating layer 12);
the polypropylene rope inner liner 10) is mounted in the polypropylene rope fiber outer cover 12).
9. A submarine photoelectric composite cable according to claim 8, wherein the protection device further comprises armoured wires 11);
the armoured wires 11) are mounted between the polypropylene rope inner liner 10) and the polypropylene rope fiber outer cover 12);
the polypropylene rope fiber outer cover 12) is double-layered.
10. A submarine photoelectric composite cable according to claim 9, wherein the polypropylene rope fiber outer coating layer 12) is double-layered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310924230.6A CN116798694A (en) | 2023-07-25 | 2023-07-25 | Submarine photoelectric composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310924230.6A CN116798694A (en) | 2023-07-25 | 2023-07-25 | Submarine photoelectric composite cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116798694A true CN116798694A (en) | 2023-09-22 |
Family
ID=88046770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310924230.6A Pending CN116798694A (en) | 2023-07-25 | 2023-07-25 | Submarine photoelectric composite cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116798694A (en) |
-
2023
- 2023-07-25 CN CN202310924230.6A patent/CN116798694A/en active Pending
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