CN204667937U - Flexible transmission submarine cable - Google Patents
Flexible transmission submarine cable Download PDFInfo
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- CN204667937U CN204667937U CN201520438846.3U CN201520438846U CN204667937U CN 204667937 U CN204667937 U CN 204667937U CN 201520438846 U CN201520438846 U CN 201520438846U CN 204667937 U CN204667937 U CN 204667937U
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- direct current
- current cables
- submarine cable
- flexible transmission
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Abstract
The utility model relates to a kind of flexible transmission submarine cable, belong to field of cables, 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.The utility model comprises fiber unit and 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, outer extrusion molding steel wire outer surface is provided with mothproof layer and outer jacket, solves the problem using the material of more contaminated environment in prior art in the manufacture of flexible transmission submarine cable.
Description
Technical field
The utility model belongs to field of cables, particularly relates 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 utility model provides a kind of flexible transmission submarine cable.
The technical solution of the utility model 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 utility model has following good effect: the flexible bookstore submarine cable provided in the utility model 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 utility model, be provided with double-deck extrusion molding steel wire reinforcement protection cable strength.In addition in the utility model in order to reduce the cost of cable stamp, in fiber unit and direct current cables unit, enclose RFID label tag in the utility model, 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 utility model;
Fig. 2 is the structural representation of the direct current cables unit of flexible transmission submarine cable in the utility model;
Fig. 3 is the structural representation of flexible transmission submarine cable fiber unit in the utility model;
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, embodiment of the present utility model 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 utility model, 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 utility model, 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 utility model, data corruption when conveniently read-write is avoided reading and writing, the equidistant installation method of dislocation is adopted in the utility model, 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 utility model, in label, cable type information, company-information and repair message can be stored.
Direct current cables unit 1 in the utility model 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 utility model; 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.
By reference to the accompanying drawings the utility model is exemplarily described above; obvious the utility model specific implementation is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technical scheme is carried out; or design of the present utility model and technical scheme directly applied to other occasion, all within protection range of the present utility model 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 |
|---|---|---|---|
| CN201520438846.3U CN204667937U (en) | 2015-06-25 | 2015-06-25 | Flexible transmission submarine cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520438846.3U CN204667937U (en) | 2015-06-25 | 2015-06-25 | Flexible transmission submarine cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204667937U true CN204667937U (en) | 2015-09-23 |
Family
ID=54138297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520438846.3U Expired - Fee Related CN204667937U (en) | 2015-06-25 | 2015-06-25 | Flexible transmission submarine cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204667937U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979040A (en) * | 2015-06-25 | 2015-10-14 | 芜湖扬宇机电技术开发有限公司 | Flexible power transmission undersea cable |
| WO2020235923A1 (en) * | 2019-05-20 | 2020-11-26 | 엘에스전선 주식회사 | Power unit and power cable for mobile communication base station |
-
2015
- 2015-06-25 CN CN201520438846.3U patent/CN204667937U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979040A (en) * | 2015-06-25 | 2015-10-14 | 芜湖扬宇机电技术开发有限公司 | Flexible power transmission undersea cable |
| WO2020235923A1 (en) * | 2019-05-20 | 2020-11-26 | 엘에스전선 주식회사 | Power unit and power cable for mobile communication base station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20160625 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |