CN107274985B - Z-shaped copper wire armored photoelectric composite submarine cable - Google Patents
Z-shaped copper wire armored photoelectric composite submarine cable Download PDFInfo
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- CN107274985B CN107274985B CN201710561267.1A CN201710561267A CN107274985B CN 107274985 B CN107274985 B CN 107274985B CN 201710561267 A CN201710561267 A CN 201710561267A CN 107274985 B CN107274985 B CN 107274985B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/14—Submarine cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/26—Reduction of losses in sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/005—Power cables including optical transmission elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/027—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of semi-conducting layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/028—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients with screen grounding means, e.g. drain wires
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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
- 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
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Abstract
The invention discloses a Z-shaped copper wire armored photoelectric composite submarine cable, which comprises: the cable comprises a conductor, a semi-conductive belt, a cross-linked conductor shielding layer, an insulating layer, a cross-linked insulating shielding layer, a semi-conductive water-blocking belt, a lead sheath, a semi-conductive PE sheath, a wrapping belt, a filling strip, an inner lining layer, a copper wire armor and a tegument layer. Through the mode, the Z-shaped copper wire armored photoelectric composite submarine cable is armored by the copper wires, is low in loss, can increase the current-carrying capacity of the cable, has good mechanical performance, solves the problem that circular copper wire armor cannot bear huge tensile force, can prevent gaps from being generated, protects cable cores from being damaged by radial acting force in an all-around dead angle mode, and can be used as the first defense line for water blocking of a submarine cable by adding water blocking powder between the armored copper wires.
Description
Technical Field
The invention belongs to the field of cables, and particularly relates to a Z-shaped copper wire armored photoelectric composite submarine cable.
Background
The submarine cable is mainly used for long-distance power communication networks, including important fields such as long-distance islands, continents and islands, cross-sea military facilities and the like, currently, the domestic and international submarine cables have wide market and application prospects, and are mainly reflected in underwater cable markets such as sea cities and islands, submarine cable markets for offshore oil platforms, river and lakes and the like, and submarine cables for offshore wind power generation and power transmission.
Disclosure of Invention
The invention mainly solves the technical problem of providing a Z-shaped copper wire armored photoelectric composite submarine cable, can effectively solve the problems of large armor loss of a single-core photoelectric composite submarine cable by adopting galvanized steel wires and poor mechanical performance of round copper wire armoring, and can effectively play a role in preliminary water blocking.
In order to solve the technical problems, the invention adopts a technical scheme that: a Z-shaped copper wire armored photoelectric composite submarine cable comprises: the cable comprises a conductor, a semi-conductive belt, a cross-linked conductor shielding layer, an insulating layer, a cross-linked insulating shielding layer, a semi-conductive water-blocking belt, a lead sheath, a semi-conductive PE sheath, a wrapping belt, a filling strip, an inner lining layer, a copper wire armor and a tegument layer;
the outer part of the conductor is connected with the cross-linked conductor shielding layer, the semi-conductive belt is positioned between the conductor and the cross-linked conductor shielding layer, the outer part of the cross-linked conductor shielding layer is connected with the insulating layer, the outer part of the insulating layer is connected with the cross-linked insulation shielding layer, the outer part of the cross-linked insulation shielding layer is connected with the semi-conductive water-blocking belt, the outer part of the semi-conductive water-blocking belt is connected with the lead sheath, the outer part of the lead sheath is connected with the semi-conductive PE sheath, the outer part of the semi-conductive PE sheath is connected with the wrapping tape, the outer part of the wrapping tape is sequentially connected with the inner lining layer and the outer lining layer, the copper wire is armored and mounted between the inner lining layer and the outer lining layer, and the filling strip is mounted between the wrapping tape and the inner lining layer;
a light unit is mounted in the filler strip.
In a preferred embodiment of the present invention, the insulating layer is a water tree resistant cross-linked polyethylene insulating layer.
In a preferred embodiment of the invention, the copper wire armor adopts anticorrosion Z-shaped copper wire armor.
In a preferred embodiment of the invention, water-blocking powder is added between copper wires in the copper wire armor.
In a preferred embodiment of the present invention, the inner liner layer and the outer layer are respectively made of one layer of PP rope and two layers of PP rope.
The invention has the beneficial effects that: according to the Z-shaped copper wire armored photoelectric composite submarine cable, the cable is armored by the copper wires, the loss is low, the current-carrying capacity of the cable can be increased, the cable has good mechanical performance, the defect that circular copper wire armor cannot bear huge pulling force is solved, gaps can be prevented from being generated, the cable cores are protected from being damaged by radial acting force in an all-around and dead angle-free mode, and water blocking powder is added among the armored copper wires and can be used as the first line of defense line for water blocking of a submarine cable.
Drawings
Fig. 1 is a schematic structural diagram of a Z-shaped copper wire armored photoelectric composite submarine cable.
The parts in the drawings are numbered as follows: 1. a conductor; 2. a semiconducting tape; 3. a cross-linked conductor shield layer; 4. an insulating layer; 5. a cross-linked insulating shield layer; 6. a semiconductive water-blocking tape; 7. a lead sheath; 8. a semiconductive PE jacket; 9. wrapping belts; 10. filling the strip; 11. an inner liner layer; 12. armouring by copper wires; 13. a tegument layer; 14. a light unit.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1, an embodiment of the present invention includes: a Z-shaped copper wire armored photoelectric composite submarine cable comprises: the cable comprises a conductor 1, a semi-conductive belt 2, a cross-linked conductor shielding layer 3, an insulating layer 4, a cross-linked insulating shielding layer 5, a semi-conductive water blocking belt 6, a lead sheath 7, a semi-conductive PE sheath 8, a wrapping belt 9, a filling strip 10, an inner lining layer 11, a copper wire armor 12 and an outer lining layer 13, wherein the conductor 1 is made of electrolytic copper and has the purity of not less than 99.95%, is formed by stranding annealed oxygen-free copper single wires, has a smooth surface, is free of oil stains and damage, shields, insulated burrs and sharp edges, and is free of bulges or broken single wires, and a water blocking sealing structure is used, and a proper water blocking material is stranded between each layer of the conductor to prevent seawater from entering the conductor after the cable is damaged.
The outer part of the conductor 1 is connected with the cross-linked conductor shielding layer 3, the semi-conducting belt 2 is positioned between the conductor 1 and the cross-linked conductor shielding layer 3, the outer part of the cross-linked conductor shielding layer 3 is connected with the insulating layer 4, and the insulating layer 4 is a water tree-resistant cross-linked polyethylene insulating layer, so that the service life of the cable is prolonged.
The insulating layer 4 outside with cross-linking type insulation shielding layer 5 is connected, cross-linking type conductor shielding layer 3 insulating layer 4 with cross-linking type insulation shielding layer 5 adopts the production of the complete dry-type three-layer crowded cross-linking production line of German TROESTER import, is furnished with advanced vulcanization calculation system, german SIKORA online deviational survey appearance, conductor preheating device, the thousand grades clean rooms of raw and other materials, sinle silk air-out chamber, and the insulating sinle silk of producing is even, round, the internal stress-free, has guaranteed the electrical insulation performance and the eccentricity ratio of cable effectively.
The external part of the cross-linked insulation shielding layer 5 is connected with the semi-conductive water-blocking tape 6, the external part of the semi-conductive water-blocking tape 6 is connected with the lead sheath 7, the lead sheath 7 adopts a seamless alloy lead sheath, and the seamless alloy lead sheath is tightly coated on a longitudinal impermeable layer, so that the lead sheath has good sealing property and corrosion resistance.
The external of the lead sheath 7 is connected with the semi-conductive PE sheath 8, and the semi-conductive PE sheath 8 can well protect a cable core and has a good radial water-blocking effect.
The outer part of the semi-conductive PE sheath 8 is connected with the wrapping tape 9, the inner lining layer 11 and the outer covering layer 13 are sequentially connected with the outer part of the wrapping tape 9, the copper wire armor 12 is installed between the inner lining layer 11 and the outer covering layer 13,
the loss of the copper wire armor 12 is much lower than that of a galvanized steel wire which is generally adopted, the current-carrying capacity of the cable can be increased, the copper wire armor 12 has good conductivity, can play a role in short-circuit and leakage with a metal sheath, and can be used as a grounding wire after being in short circuit with the metal sheath.
The copper wire armor 12 is made of anticorrosion Z-shaped copper wire armor, the Z-shaped copper wire armor has good mechanical performance, the cable is fully protected from being damaged by external acting force, the Z-shaped copper wire armor can also be used as a first defense line for water blocking of the submarine cable, and the Z-shaped copper wire armor has good conductivity.
The Z-shaped copper wire has better mechanical property than a round copper wire, and the defect that the round copper wire armor cannot bear huge tension when the submarine cable cannot be laid is avoided.
When the circular monofilament armor is adopted, gaps cannot exist between monofilaments, the gaps can possibly become fatal weak points of the submarine cable when bearing radial acting force, however, the Z-shaped copper wire armor is adopted to prevent the gaps from being generated, and the cable core is protected from being damaged by the radial acting force in an all-round and dead-angle-free mode.
And water-blocking powder is added between copper wires in the copper wire armor 12 and can be used as a first defense line for water blocking of the submarine cable.
The packing strip 10 is installed band 9 with between the inner liner 11, inner liner 11 with tegument 13 adopts one deck PP rope and two-layer PP rope respectively, can fully protect the cable core not receive the harm of copper wire armor 12 to guarantee that the cable does not receive external destruction.
The light unit 14 is installed in the filler strip 10, and the filler strip 10 can protect the light unit 14 well.
Compared with the prior art, the Z-shaped copper wire armored photoelectric composite submarine cable disclosed by the invention is armored by the copper wires, is low in loss, can increase the current-carrying capacity of the cable, has good mechanical performance, solves the problem that circular copper wire armor cannot bear huge pulling force, can prevent gaps from being generated, protects the cable core from being damaged by radial acting force in an all-round and dead angle-free manner, and can be used as the first defense line for water blocking of the submarine cable by adding the water blocking powder between the armored copper wires.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (3)
1. The utility model provides a compound submarine cable of Z type copper wire armor photoelectricity which characterized in that includes: the cable comprises a conductor, a semi-conductive belt, a cross-linked conductor shielding layer, an insulating layer, a cross-linked insulating shielding layer, a semi-conductive water-blocking belt, a lead sheath, a semi-conductive PE sheath, a wrapping belt, a filling strip, an inner lining layer, a copper wire armor and a tegument layer;
the outer part of the conductor is connected with the cross-linked conductor shielding layer, the semi-conductive belt is positioned between the conductor and the cross-linked conductor shielding layer, the outer part of the cross-linked conductor shielding layer is connected with the insulating layer, the outer part of the insulating layer is connected with the cross-linked insulation shielding layer, the outer part of the cross-linked insulation shielding layer is connected with the semi-conductive water-blocking belt, the outer part of the semi-conductive water-blocking belt is connected with the lead sheath, the outer part of the lead sheath is connected with the semi-conductive PE sheath, the outer part of the semi-conductive PE sheath is connected with the wrapping tape, the outer part of the wrapping tape is sequentially connected with the inner lining layer and the outer lining layer, the copper wire is armored and mounted between the inner lining layer and the outer lining layer, and the filling strip is mounted between the wrapping tape and the inner lining layer;
a light unit is arranged in the filling strip;
the copper wire armor adopts an anti-corrosion Z-shaped copper wire armor;
and water-blocking powder is added between copper wires in the copper wire armor.
2. The Z-shaped copper wire armored photoelectric composite submarine cable according to claim 1, wherein: the insulating layer is a water tree resistant cross-linked polyethylene insulating layer.
3. The Z-shaped copper wire armored photoelectric composite submarine cable according to claim 1, wherein: the inner liner layer and the outer tegument layer are respectively made of one layer of PP rope and two layers of PP ropes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710561267.1A CN107274985B (en) | 2017-07-11 | 2017-07-11 | Z-shaped copper wire armored photoelectric composite submarine cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710561267.1A CN107274985B (en) | 2017-07-11 | 2017-07-11 | Z-shaped copper wire armored photoelectric composite submarine cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107274985A CN107274985A (en) | 2017-10-20 |
| CN107274985B true CN107274985B (en) | 2023-03-10 |
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| CN201710561267.1A Active CN107274985B (en) | 2017-07-11 | 2017-07-11 | Z-shaped copper wire armored photoelectric composite submarine cable |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682496A (en) * | 2018-04-25 | 2018-10-19 | 上海电缆研究所有限公司 | Light environment protection submarine cable |
| CN110808120B (en) * | 2019-11-06 | 2021-01-05 | 江苏亨通高压海缆有限公司 | Semi-locking type steel wire armored submarine power cable and design method thereof |
| CN110828049B (en) * | 2019-11-06 | 2021-04-20 | 江苏亨通高压海缆有限公司 | Full-locking type steel wire armored submarine power cable and design method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06325625A (en) * | 1993-05-10 | 1994-11-25 | Furukawa Electric Co Ltd:The | Submarine power cable |
| RU60777U1 (en) * | 2006-07-03 | 2007-01-27 | Открытое акционерное общество "Севкабель" | POWER CABLE |
| CN201266507Y (en) * | 2008-07-17 | 2009-07-01 | 无锡江南电缆有限公司 | Armored cable |
| CN101728012A (en) * | 2010-01-20 | 2010-06-09 | 江苏新远东电缆有限公司 | Armored cable |
| CN104318986B (en) * | 2014-11-17 | 2016-09-14 | 成都冠禹科技有限公司 | A kind of Anti-static anti-corrosion blocks water stretch-proof insulated cable |
| CN106653183B (en) * | 2017-01-06 | 2018-07-06 | 江苏亨通高压海缆有限公司 | Super-capacity crosslinked polyethylene insulated photoelectric composite submarine cable |
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2017
- 2017-07-11 CN CN201710561267.1A patent/CN107274985B/en active Active
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