CN104979040A - Flexible power transmission undersea cable - Google Patents
Flexible power transmission undersea cable Download PDFInfo
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- CN104979040A CN104979040A CN201510354046.8A CN201510354046A CN104979040A CN 104979040 A CN104979040 A CN 104979040A CN 201510354046 A CN201510354046 A CN 201510354046A CN 104979040 A CN104979040 A CN 104979040A
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Abstract
The invention relates to a flexible power transmission undersea cable which belongs to the field of cables. The flexible power transmission undersea cable comprises an optical fiber unit and two direct current cable units. The optical fiber unit is located in the gap between two direct current cable units. The optical fiber unit and two direct current cable units are wrapped by an inner jacket layer. Spaces between the direct current cable units and the inner jacket layer are filled with filling strips. An inner extruded wire and an outer extruded wire are arranged outside the inner jacket layer. A mothproof layer and an outer protective layer are arranged on the outer surface of the outer extruded wire. According to the invention, the flexible power transmission undersea cable comprises the optical fiber unit and two direct current cable units; the optical fiber unit and two direct current cable units are wrapped by the inner jacket layer; spaces between the direct current cable units and the inner jacket layer are filled with the filling strips; the inner extruded wire and the outer extruded wire are arranged outside the inner jacket layer; the mothproof layer and the outer protective layer are arranged on the outer surface of the outer extruded wire; and the problem that a lot of environmental pollution materials are used in the production of flexible power transmission undersea cables in the prior art is solved.
Description
Technical field
The invention belongs to field of cables, particularly relate to a kind of flexible transmission submarine cable.
Background technology
At present, ac cable is widely used in land cable and extra large cable, but the following problem of ac cable ubiquity: and during transmission of electricity, line loss is large; When transmission capacity is larger, diameter and the weight of ac cable are large, cost is high; Ac cable, owing to being subject to the restriction of transmission range, cannot realize remote large capacity transmission; Construction investment needed for ac cable is higher.
The advantages such as compared to ac transmission, direct current transportation has that transmission power is high, line loss is little, regulate electric current and change that power transimission direction is convenient, investment cost is few, can reduce short circuit current between backbone and electrical network, corona radio interference is little.
Undersea transmission electric power and signal of communication are generally come respectively by different cables, namely for the sea electric power cable of transferring electric power and the submarine fiber cable for transmit communications signals, independently be laid in seabed, and cable and optical cable all need to possess water-impervious, water pressure resistance, tension, the performance such as anticorrosion, anti-wear, to reach the requirement using in seabed and lay.Therefore, though existing submarine cable and submarine fiber cable solve the problem of electric power and communication signal transmissions, but respective manufacturing expense and expense of laying also very high.And in order to reach water-impervious, the function such as anticorrosion, cable aspect has been coated with asphalt corrosion resistant layer carrying out anticorrosion, using plumbous cover to carry out the safeguard functions such as cable and all causing environmental pollution.
Summary of the invention
In order to overcome the deficiency using the material of more contaminated environment in prior art in the manufacture of flexible transmission submarine cable, the invention provides a kind of flexible transmission submarine cable.
Technical scheme of the present invention is: a kind of flexible transmission submarine cable, comprise fiber unit and two direct current cables unit, fiber unit is positioned at the gap place of two direct current cables unit, inner restrictive coating is surrounded with outside fiber unit and two direct current cables unit, packing is filled with between direct current cables unit and inner restrictive coating, inner restrictive coating is outside equipped with internal layer extrusion molding steel wire and outer extrusion molding steel wire, and outer extrusion molding steel wire outer surface is provided with mothproof layer and outer jacket.
Be provided with RFID label tag in described fiber unit and two direct current cables unit, the spacing of RFID label tag is equal.RFID label tag in described fiber unit and direct current cables unit is not on same cross section, and to be all that dislocation is equidistant install the RFID label tag in unit.Described RFID label tag adopts passive anti-interference label.Described direct current cables unit is disposed with direct current conductor from inside to outside, wrapped belt, conductor internal shield, the crosslinked polyetylene insulated layer of direct current, insulation outer shielding layer, semiconductive block water buffer strip, copper sheathing layer and polyethylene sheath.Described fiber unit is disposed with optical fiber, optical fiber packing, optical fiber inner restrictive coating, optical fiber armoured steel wire floor and optical fiber outer jacket from inside to outside.Described inner restrictive coating adopts high-density polyethylene material, and thickness is 1.5-2.5mm; Outer jacket adopts polypropylene rope material, and thickness is 3.0-6.0mm.Described mothproof layer adopts by high density polyethylene (HDPE), stabilizer, plasticizer and antioxidant material shaping under strict conditions, and thickness is 0.5-1.1mm.
The present invention has following good effect: the flexible bookstore submarine cable provided in the present invention comprises two direct current cables unit and optical fiber and receives greatly unit; one-time laying; decrease laying task; be provided with outside direct current cables unit and fiber unit that inner restrictive coating is outer, internal layer extrusion molding steel wire, outer extrusion molding steel wire, mothproof layer and outer jacket; comprise the use and the utilization of pitch corrosion-resistant that all there is no metallic lead in direct current cables unit and fiber unit; do not use the material of contaminated environment, in the present invention, be provided with double-deck extrusion molding steel wire reinforcement protection cable strength.In addition in the present invention in order to reduce the cost of cable stamp, in fiber unit and direct current cables unit, enclose RFID label tag in the present invention, in order to record the information of cable, greatly reduce production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of flexible transmission submarine cable in the present invention;
Fig. 2 is the structural representation of the direct current cables unit of flexible transmission submarine cable in the present invention;
Fig. 3 is the structural representation of flexible transmission submarine cable fiber unit in the present invention;
In figure: 1 is direct current cables unit, 2 is fiber unit, and 3 is direct current conductor, 4 is wrapped belt, 5 is conductor internal shield, and 6 is the crosslinked polyetylene insulated layer of direct current, and 7 is insulation outer shielding layer, 8 to block water buffer strip for semiconductive, 9 is copper sheathing layer, and 10 is polyethylene sheath, and 11 is optical fiber, 12 is optical fiber packing, 13 is optical fiber inner restrictive coating, and 14 is optical fiber armoured steel wire floor, and 15 is optical fiber outer jacket, 16 is packing, 17 is inner restrictive coating, and 18 is internal layer extrusion molding steel wire, and 19 is outer extrusion molding steel wire, 20 is mothproof layer, and 21 is outer jacket.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is as the effect of the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part and operation principle, manufacturing process and operation using method etc., be described in further detail, have more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme.
A kind of flexible transmission submarine cable, cable comprises fiber unit 2 and two direct current cables unit 1, direct current cables unit 1 arranges two simultaneously and solves two polar curves and lay the problem taking larger oceanic area respectively, set up simultaneously and complete laying with fiber unit 2 is disposable, greatly reduce the triviality of laying work, save oceanic area.Direct current cables unit 1 discharges side by side, fiber unit 2 is positioned at the middle upper part gap place of two direct current cables unit 1, fiber unit 2 and direct current cables unit 1 are outer is wrappedly wound with inner restrictive coating 17, gap place between inner restrictive coating 17 and direct current cables unit 1 is filled with packing 16, inner restrictive coating 17 contributes to the preliminary stranding of cable, inner restrictive coating 17 is outside equipped with internal layer extrusion molding steel wire 18 and outer extrusion molding steel wire 19 double-level-metal sheath, and outer extrusion molding steel wire 19 outer surface is provided with mothproof layer 20 and outer jacket 21 in addition.The setting of inside and outside double-deck extrusion molding steel wire ensure that the fail safe of cable in seabed and anticorrosive property, avoid the contaminative of conventional lead cover, in the present invention, mothproof layer 20 adopts the material generated under strict conditions by high density polyethylene (HDPE), stabilizer, plasticizer and antioxidant, installation thickness is 0.5-1.1mm, and the setting of mothproof layer 20 is to prevent submarine cable by halobiontic damage.Inner restrictive coating 17 adopts high-density polyethylene material, and thickness is 1.5-2.5mm; Outer jacket 21 adopts polypropylene rope material, and thickness is 3.0-6.0mm.
In order to reduce stamp cost and the maintenance cost of cable, implant RFID label tag in the cable, in fiber unit 2 and direct current cables unit 1, RFID label tag is implanted all respectively in the present invention, data corruption when conveniently read-write is avoided reading and writing, the equidistant installation method of dislocation is adopted in the present invention, namely the RFID label tag of fiber unit 2 and direct current cables unit 1 implantation is not on same cross section, it is equidistant setting between each RFID label tag, facilitate data definition when metering and read-write, avoid causing data corruption.Simultaneously in order at utmost reduce the impact of armour metal pair radio frequency when radio-frequency (RF) tag works, using passive anti-interference label in the present invention, in label, cable type information, company-information and repair message can be stored.
Direct current cables unit 1 in the present invention is disposed with direct current conductor 3 from inside to outside, wrapped belt 4, conductor internal shield 5, the crosslinked polyetylene insulated layer 6 of direct current, insulation outer shielding layer 7, semiconductive blocks water buffer strip 8, copper sheathing layer 9 and polyethylene sheath 10, direct current conductor 3 is round compacted comductor structure, wrapped belt 4 is surrounded with outside direct current conductor 3, lapping layer is outside equipped with conductor internal shield 5, conductor internal shield 5 is outside equipped with the crosslinked polyetylene insulated layer 6 of direct current, insulation outer shielding layer 7 is provided with outside the crosslinked polyetylene insulated layer 6 of direct current, be provided with the semiconductive extruded outside insulation outer shielding layer 7 to block water buffer strip 8, semiconductive blocks water outside buffer strip 8 and arranges metallic copper jacket layer 9, instead of traditional lead cover metal level, reduce environmental pollution, copper sheathing is once outer is provided with polyethylene sheath 10, adopt the sandwich construction of the polyethylene sheath 10 of Midst density.
Fiber unit 2 is disposed with optical fiber 11, optical fiber packing 12, optical fiber inner restrictive coating 13, optical fiber armoured steel wire floor 14 and optical fiber outer jacket 15 from inside to outside; together with optical fiber is wrapped through optical fiber inner restrictive coating 13 with optical fiber packing 12; due to the fragility of optical fiber, optical fiber packing 12 can play protection optical fiber and do not fractureed easily.Optical fiber inner restrictive coating 13 is outside equipped with coat of metal; optical fiber armoured steel wire floor 14 pairs of fiber units 2 are selected to do further protection in the present invention; optical fiber armoured steel wire floor 14 is outside equipped with optical fiber outer jacket 15, and optical fiber outer jacket 15 ensure that fiber unit 2 and direct current cables unit 1 are not worn in follow-up wrapped each stage.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (8)
1. a flexible transmission submarine cable, it is characterized in that, comprise fiber unit and two direct current cables unit, fiber unit is positioned at the gap place of two direct current cables unit, inner restrictive coating is surrounded with outside fiber unit and two direct current cables unit, be filled with packing between direct current cables unit and inner restrictive coating, inner restrictive coating is outside equipped with internal layer extrusion molding steel wire and outer extrusion molding steel wire, and outer extrusion molding steel wire outer surface is provided with mothproof layer and outer jacket.
2. flexible transmission submarine cable according to claim 1, is characterized in that, be provided with RFID label tag in described fiber unit and two direct current cables unit, the spacing of RFID label tag is equal.
3. flexible transmission submarine cable according to claim 2, is characterized in that, the RFID label tag in described fiber unit and direct current cables unit is not on same cross section, and to be all that dislocation is equidistant install the RFID label tag in unit.
4. flexible transmission submarine cable according to claim 2, is characterized in that, described RFID label tag adopts passive anti-interference label.
5. flexible transmission submarine cable according to claim 1, it is characterized in that, described direct current cables unit is disposed with direct current conductor from inside to outside, wrapped belt, conductor internal shield, the crosslinked polyetylene insulated layer of direct current, insulation outer shielding layer, semiconductive block water buffer strip, copper sheathing layer and polyethylene sheath.
6. flexible transmission submarine cable according to claim 1, is characterized in that, described fiber unit is disposed with optical fiber, optical fiber packing, optical fiber inner restrictive coating, optical fiber armoured steel wire floor and optical fiber outer jacket from inside to outside.
7. flexible transmission submarine cable according to claim 1, is characterized in that, described inner restrictive coating adopts high-density polyethylene material, and thickness is 1.5-2.5mm; Outer jacket adopts polypropylene material, and thickness is 3.0-6.0mm.
8. flexible transmission submarine cable according to claim 1, is characterized in that, described mothproof layer adopts by high density polyethylene (HDPE), stabilizer, plasticizer and antioxidant material shaping under strict conditions, and thickness is 0.5-1.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510354046.8A CN104979040A (en) | 2015-06-25 | 2015-06-25 | Flexible power transmission undersea cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510354046.8A CN104979040A (en) | 2015-06-25 | 2015-06-25 | Flexible power transmission undersea cable |
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| CN104979040A true CN104979040A (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510354046.8A Pending CN104979040A (en) | 2015-06-25 | 2015-06-25 | Flexible power transmission undersea cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405497A (en) * | 2015-12-16 | 2016-03-16 | 中天科技海缆有限公司 | Positive and negative electrodes syncretic optical fiber composite flexible DC medium voltage cable for urban distribution network system |
| WO2018090639A1 (en) * | 2016-11-15 | 2018-05-24 | 中天科技海缆有限公司 | Photoelectric composite cable and cable unit thereof |
| WO2018141078A1 (en) * | 2017-02-04 | 2018-08-09 | 广州南洋电缆有限公司 | Corrugated copper sleeve corrugated steel sleeve and steel wire armoured submarine cable |
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| US6049647A (en) * | 1997-09-16 | 2000-04-11 | Siecor Operations, Llc | Composite fiber optic cable |
| CN201153059Y (en) * | 2008-01-08 | 2008-11-19 | 天津塑力线缆集团有限公司 | Thin insulation crosslinked polyethylene insulated power cable having rated voltage of 500kV |
| CN201215739Y (en) * | 2008-04-11 | 2009-04-01 | 中天科技海缆有限公司 | Composite electric power cable for submarine optical fiber |
| CN203165553U (en) * | 2013-02-27 | 2013-08-28 | 宁波东方电缆股份有限公司 | Direct-current submarine cable for flexible transmission |
| CN103665623A (en) * | 2012-09-10 | 2014-03-26 | 苏州德亮材料科技有限公司 | Rat-proof polyvinyl chloride (PVC) cable material and preparation method thereof |
| CN104575809A (en) * | 2014-10-11 | 2015-04-29 | 芜湖扬宇机电技术开发有限公司 | Leaky cable with built-in RFID (radio frequency identification) tags |
| CN204667937U (en) * | 2015-06-25 | 2015-09-23 | 芜湖扬宇机电技术开发有限公司 | Flexible transmission submarine cable |
-
2015
- 2015-06-25 CN CN201510354046.8A patent/CN104979040A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6049647A (en) * | 1997-09-16 | 2000-04-11 | Siecor Operations, Llc | Composite fiber optic cable |
| CN201153059Y (en) * | 2008-01-08 | 2008-11-19 | 天津塑力线缆集团有限公司 | Thin insulation crosslinked polyethylene insulated power cable having rated voltage of 500kV |
| CN201215739Y (en) * | 2008-04-11 | 2009-04-01 | 中天科技海缆有限公司 | Composite electric power cable for submarine optical fiber |
| CN103665623A (en) * | 2012-09-10 | 2014-03-26 | 苏州德亮材料科技有限公司 | Rat-proof polyvinyl chloride (PVC) cable material and preparation method thereof |
| CN203165553U (en) * | 2013-02-27 | 2013-08-28 | 宁波东方电缆股份有限公司 | Direct-current submarine cable for flexible transmission |
| CN104575809A (en) * | 2014-10-11 | 2015-04-29 | 芜湖扬宇机电技术开发有限公司 | Leaky cable with built-in RFID (radio frequency identification) tags |
| CN204667937U (en) * | 2015-06-25 | 2015-09-23 | 芜湖扬宇机电技术开发有限公司 | Flexible transmission submarine cable |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405497A (en) * | 2015-12-16 | 2016-03-16 | 中天科技海缆有限公司 | Positive and negative electrodes syncretic optical fiber composite flexible DC medium voltage cable for urban distribution network system |
| WO2018090639A1 (en) * | 2016-11-15 | 2018-05-24 | 中天科技海缆有限公司 | Photoelectric composite cable and cable unit thereof |
| CN108074661A (en) * | 2016-11-15 | 2018-05-25 | 中天科技海缆有限公司 | Photoelectric compound cable and its cable unit |
| WO2018141078A1 (en) * | 2017-02-04 | 2018-08-09 | 广州南洋电缆有限公司 | Corrugated copper sleeve corrugated steel sleeve and steel wire armoured submarine cable |
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Application publication date: 20151014 |