CN112114409A - Light high-strength submarine optical cable - Google Patents
Light high-strength submarine optical cable Download PDFInfo
- Publication number
- CN112114409A CN112114409A CN202011187714.XA CN202011187714A CN112114409A CN 112114409 A CN112114409 A CN 112114409A CN 202011187714 A CN202011187714 A CN 202011187714A CN 112114409 A CN112114409 A CN 112114409A
- Authority
- CN
- China
- Prior art keywords
- layer
- optical cable
- submarine optical
- high strength
- lightweight
- Prior art date
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 36
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 239000004411 aluminium Substances 0.000 claims description 11
- 238000003475 lamination Methods 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 8
- 239000013307 optical fiber Substances 0.000 claims description 4
- 230000017105 transposition Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4415—Cables for special applications
- G02B6/4427—Pressure resistant cables, e.g. undersea cables
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a light high-strength submarine optical cable, which comprises: the light unit, the aluminum layer, the bonding layer, the high-density PE layer, the steel wire and the PP rope are sequentially arranged from inside to outside. According to the light high-strength submarine optical cable, the aluminum layer is extruded by the aluminum extruder and is tightly attached to the optical units without gaps, the problem of water blocking of the cable core is thoroughly solved, meanwhile, the torsion resistance of the cable core is obviously improved, in the armoring process, if the cable core has defects, the cable core does not need to be untwisted and can be directly repaired on line, in addition, the aluminum extruding speed can reach 60m/min, the production time of the product is basically not increased, and because the bearing part is the outer armor steel wire, the mechanical property is excellent, and the insulating property is good.
Description
Technical Field
The invention relates to the technical field of submarine optical cables, in particular to a light high-strength submarine optical cable.
Background
With the deep implementation of ocean strategy, the global broadband is accelerated, the market scale of the submarine optical cable is continuously enlarged, the submarine optical cable is used as an important connecting junction of all countries in the world, and the submarine optical cable has high technical threshold, high requirement on production quality and considerable corresponding profit, and the development of humanity, economy, social contact, science and technology and the like of all countries in the world drives the requirement of information transmission, so that the development of the submarine optical cable industry is promoted, and all submarine optical cable suppliers increase research and development investment, research and develop low-cost and high-performance submarine optical cables and seize domestic and foreign markets.
In the existing cable-type structure, water blocking is required between the copper-plastic composite belt and the optical unit, and after salvage of fault points is completed, a water seepage part needs to be cut off to form a joint box, so that water is prevented from entering the joint box and affecting the transmission performance of optical fibers; the following problems exist with product structure and production: 1) the copper-plastic composite belt is made of unconventional raw materials, generally has no inventory, needs to be processed and customized, has a long purchase period, and can affect the product delivery period within 25-30 days; 2) the water-blocking effect is difficult to guarantee, glue needs to be filled between the optical units and the copper-plastic composite belt, the water-blocking effect is influenced by the filling degree of the glue, and the water seepage performance of the whole submarine cable is difficult to guarantee; 3) the cable core has a complex production process, and the copper-plastic composite belt is broken in the production process, so that stripping is caused if the copper-plastic composite belt is light, and segmentation is caused if the copper-plastic composite belt is heavy; 4) in the armor production process, the cable core can generate torsion due to no steel wire bearing unit, if the cable core has defects, such as the loss of a high-density PE layer caused by stripping, the cable core needs on-line repair, and the risk of twisting off the cable core is great.
Disclosure of Invention
The invention mainly solves the technical problem of providing a light high-strength submarine optical cable.
In order to solve the technical problems, the invention adopts a technical scheme that:
there is provided a lightweight high strength submarine optical cable comprising: set gradually light unit, aluminium lamination, tie coat, high density PE layer, steel wire and PP rope from inside to outside, the aluminium lamination covers at the light unit surface through the extrusion mode of extruding, the crowded package of tie coat is at the aluminium lamination surface, the crowded package of high density PE layer is connected at the aluminium lamination surface and through tie coat and its bonding, many steel wire evenly distributed transposition is on the outer circumference on high density PE layer, the two-layer PP rope of surface transposition of steel wire.
In a preferred embodiment of the invention, the outer diameter of the light unit is 3.7 mm.
In a preferred embodiment of the invention, the aluminum layer has a thickness of 4.5 mm.
In a preferred embodiment of the present invention, the high-density PE layer is black.
In a preferred embodiment of the present invention, the light-weight high-strength undersea optical cable has a direct current resistance of 5.4 Ω/km.
In a preferred embodiment of the invention, the thickness of the bonding layer is 0.15 mm.
In a preferred embodiment of the present invention, the thickness of the high-density PE layer is 2.6 mm.
In a preferred embodiment of the invention, the outer surface of the steel wire is galvanized, the number of the steel wires is 10, and the thickness is 4.2 mm.
The invention has the beneficial effects that: the light high-strength submarine optical cable has the advantages of better performance, lower cost and smaller production risk.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic view showing the overall structure of a preferred embodiment of a lightweight high-strength submarine optical cable according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention includes:
a lightweight, high strength undersea optical fiber cable comprising: the light unit 1, the aluminum layer 2, the bonding layer 3, the high-density PE layer 4, the steel wire 5 and the PP rope 6 are sequentially arranged from inside to outside.
The outer diameter of the optical unit 1 is 3.7mm, the aluminum layer 2 covers the outer surface of the optical unit 1 in an extrusion and extrusion mode, one aluminum layer 2-4.5 mm is extruded on the optical unit 1 through an aluminum press, the aluminum layer is tightly attached to the optical unit 1 without a gap, the problem of cable core water resistance is thoroughly solved, the aluminum extrusion speed can reach 60m/min, and the production time of products is basically not increased.
3 crowded packages of tie coat are at aluminium lamination 2 surface, 3 thickness of tie coat are 0.15mm, 4 crowded packages of high density PE layer are at aluminium lamination 2 surface and through tie coat 3 and aluminium lamination 2 adhesive bonding, preferably, high density PE layer 4 is black, and thickness is 2.6 mm.
The steel wires 5 are uniformly distributed and stranded on the outer circumference of the high-density PE layer 4, the outer surfaces of the steel wires 5 are galvanized and are high-strength galvanized steel wires 5, the number of the steel wires 5 is 10, the thickness of the steel wires is 4.2mm, the outer surfaces of the steel wires 5 are stranded with two layers of PP ropes 6 to form a sheath, the stranded steel wires 5 are tangent to the high-density PE layer 4 and the sheath, and the bearing piece is the outer armor steel wire 5, so that the mechanical property is excellent, the thickness of the sheath is very thick, and the insulating property is good.
The direct current resistance of the light high-strength submarine optical cable is 5.4 omega/km.
The light high-strength submarine optical cable comprises the following steps:
1) producing the light unit 1; 2) extruding aluminum for the light unit 1; 3) extruding the bonding layer 3 and black high-density PE; 4) and (4) armouring, wherein steel wires 5 and PP ropes 6 are twisted.
TABLE 1 Performance index
The light high-strength submarine optical cable has the beneficial effects that:
(1) the conductor adopts aluminum to replace the copper-plastic composite belt, and compared with the copper-plastic composite belt, the aluminum material is easier to obtain, the purchase period is short, and the delivery period margin is more sufficient;
(2) the aluminum layer is extruded by an aluminum extruder, the aluminum layer is tightly attached to the optical unit, the problem of water seepage of the cable core is thoroughly solved, the aluminum extrusion speed is high and can reach 60m/min, and the production period of the product is basically not increased;
(3) the conductor adopts aluminum to replace the copper-plastic composite belt, so that the cost is saved by 1000 yuan/km;
(4) the aluminum extrusion process is mature, the speed is high, complex operations such as copper-plastic composite belt storage, copper-plastic composite belt splicing (including smashing and annealing processes), copper-plastic belt disc replacement, bonding layer extrusion, copper-plastic composite belt longitudinal wrapping and forming and the like are omitted, and the production risk is reduced;
(5) after the aluminum layer is extruded on the optical unit, the torsion resistance is obviously enhanced, and the production risk of the armor procedure is reduced.
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, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A lightweight, high strength undersea optical fiber cable, comprising: set gradually light unit, aluminium lamination, tie coat, high density PE layer, steel wire and PP rope from inside to outside, the aluminium lamination covers at the light unit surface through the extrusion mode of extruding, the crowded package of tie coat is at the aluminium lamination surface, the crowded package of high density PE layer is connected at the aluminium lamination surface and through tie coat and its bonding, many steel wire evenly distributed transposition is on the outer circumference on high density PE layer, the two-layer PP rope of surface transposition of steel wire.
2. A lightweight high strength submarine optical cable according to claim 1, wherein the outer diameter of said light unit is 3.7 mm.
3. A lightweight high strength submarine optical cable according to claim 1, wherein said aluminum layer has a thickness of 4.5 mm.
4. A lightweight, high strength undersea optical fiber cable as claimed in claim 1, wherein said high density PE layer is black.
5. A lightweight high strength submarine optical cable according to claim 1, wherein said lightweight high strength submarine optical cable has a dc resistance of 5.4 Ω/km.
6. A lightweight high strength submarine optical cable according to claim 1, wherein said bonding layer is 0.15mm thick.
7. A lightweight high strength submarine optical cable according to claim 1, wherein said high density PE layer is 2.6mm thick.
8. A lightweight high strength submarine optical cable according to claim 1, wherein the outer surface of said steel wires is galvanized, the number of said steel wires is 10, and the thickness is 4.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011187714.XA CN112114409A (en) | 2020-10-30 | 2020-10-30 | Light high-strength submarine optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011187714.XA CN112114409A (en) | 2020-10-30 | 2020-10-30 | Light high-strength submarine optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112114409A true CN112114409A (en) | 2020-12-22 |
Family
ID=73794846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011187714.XA Pending CN112114409A (en) | 2020-10-30 | 2020-10-30 | Light high-strength submarine optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112114409A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4278835A (en) * | 1977-12-16 | 1981-07-14 | The Post Office | Submarine communication cable including optical fibres within an electrically conductive tube |
| US5555336A (en) * | 1994-12-27 | 1996-09-10 | Hughes Aircraft Company | Fiber optic ower distribution |
| CN107219597A (en) * | 2017-06-08 | 2017-09-29 | 江苏亨通海洋光网系统有限公司 | One kind feed deep-sea cable |
| CN209708676U (en) * | 2019-03-29 | 2019-11-29 | 浙江中大元通特种电缆有限公司 | A kind of optical fiber complex mineral cable and its temperature monitoring monitoring system |
| CN111474651A (en) * | 2020-05-15 | 2020-07-31 | 江苏亨通海洋光网系统有限公司 | 500-core and above-core multi-layer stranded unrepeatered submarine optical cable |
-
2020
- 2020-10-30 CN CN202011187714.XA patent/CN112114409A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4278835A (en) * | 1977-12-16 | 1981-07-14 | The Post Office | Submarine communication cable including optical fibres within an electrically conductive tube |
| US5555336A (en) * | 1994-12-27 | 1996-09-10 | Hughes Aircraft Company | Fiber optic ower distribution |
| CN107219597A (en) * | 2017-06-08 | 2017-09-29 | 江苏亨通海洋光网系统有限公司 | One kind feed deep-sea cable |
| CN209708676U (en) * | 2019-03-29 | 2019-11-29 | 浙江中大元通特种电缆有限公司 | A kind of optical fiber complex mineral cable and its temperature monitoring monitoring system |
| CN111474651A (en) * | 2020-05-15 | 2020-07-31 | 江苏亨通海洋光网系统有限公司 | 500-core and above-core multi-layer stranded unrepeatered submarine optical cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105572828B (en) | A kind of compact-sized optical cable | |
| EP0117943B1 (en) | Method of manufacturing a communication cable | |
| CN105280286A (en) | A watertight mooring detection cable and a manufacturing process thereof | |
| JPH06302225A (en) | Communication cable, tension member for communication cable and manufacture of same member | |
| CN108231256A (en) | A kind of load-bearing optoelectronic composite cable and its manufacturing process | |
| CN111856671A (en) | Water-blocking high-temperature-resistant irradiation-resistant multi-core optical cable and preparation method thereof | |
| US9207419B2 (en) | Fiber optic overhead ground wire cables and processes for the manufacturing thereof | |
| CN112114409A (en) | Light high-strength submarine optical cable | |
| CN103956216A (en) | Photoelectric composite power cable and machining process | |
| CN105676382B (en) | A method of manufacturing compact-sized optoelectrical cable | |
| CN103236317B (en) | There is the compound data cable of low-loss of interference free performance | |
| CN105761824A (en) | Electric power or communication photoelectric composite cable with a parallel cable core | |
| CN105788742A (en) | Photoelectric composite cable with special-shaped filling material | |
| CN104867585A (en) | Photoelectric composite cable | |
| CN203325503U (en) | Low-loss anti-interference communication cable | |
| CN105679423A (en) | Cable for railway rolling stock and preparation method of cable | |
| CN111009348A (en) | Watertight load-bearing comprehensive special-shaped flat cable and production method thereof | |
| CN213781657U (en) | Water-blocking overhead insulated cable | |
| CN211742712U (en) | Low-shrinkage crosslinked polyethylene insulated cable | |
| CN210777882U (en) | Novel circular cable of insulating copper core polyvinyl chloride | |
| CN212647101U (en) | Water-blocking high-temperature-resistant irradiation-resistant multi-core optical cable | |
| CN210296012U (en) | Optical fiber composite cable | |
| CN105845275A (en) | Submarine cable production device and method | |
| CN218918495U (en) | 4-core communication cable | |
| CN212322723U (en) | Photoelectric composite longitudinal watertight cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201222 |