CN107219597A - One kind feed deep-sea cable - Google Patents
One kind feed deep-sea cable Download PDFInfo
- Publication number
- CN107219597A CN107219597A CN201710427973.7A CN201710427973A CN107219597A CN 107219597 A CN107219597 A CN 107219597A CN 201710427973 A CN201710427973 A CN 201710427973A CN 107219597 A CN107219597 A CN 107219597A
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- China
- Prior art keywords
- stranded
- stranded wire
- feed
- layer
- wire
- 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.)
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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
-
- 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
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
Abstract
The present invention provides a kind of feed deep-sea cable, including light unit, armor, feed layer and insulating barrier, armor includes interior twisted layer and outer twisted layer, interior twisted layer has some first stranded wires, outer twisted layer has some second stranded wires and the 3rd stranded wire, second stranded wire and the 3rd stranded wire are arranged alternately successively, and the string diameter of the 3rd stranded wire is less than the string diameter of the second stranded wire；Some first stranded wires are stranded on the outside of light unit, and the second stranded wire and the 3rd stranded wire interval are stranded in the first stranded wire, and the 3rd stranded wire is stranded in the second stranded wire, and direction of lay is identical.The feed deep-sea cable of the present invention, lift anti-impact force, anti-collapse power and the mechanical stretching performance of extra large cable, and the longitudinal water-blocking performance and radial water-resisting performance of lifting extra large cable, reduce the manufacturing cost and maintenance cost of extra large cable, the damage to optical fiber in manufacturing process is reduced, the insulating properties of extra large cable are improved.
Description
Technical field
The invention belongs to extra large cable technical field, and in particular to one kind feed deep-sea cable.
Background technology
Submarine optical fiber cable is that technology content highest in cable products " extended familys ", manufacture difficulty be maximum, application environment is most complicated
High-end kind, the application laying depth of water is most as deep as 8000 meters, the features such as with Large Copacity, highly-reliable transmission performance, mainly
For transoceanic transcontinental communication, national defense communication, seafari and monitoring network construction.At present common deep-sea cable exist it is following not
Foot：
1., material water-proof material filling difficulty is big, it is difficult to full filling, and the shadow of seawater to conventional material water-proof material in itself
Ring, cause the longitudinal water-blocking ability of cable, once fracture occurs in use for optical cable, it is necessary to which the length of maintenance greatly, is tieed up
Repair the time long；
2., anti-impact force, anti-collapse poor performance, cable core mechanical stretching performance are not enough, it is impossible to meet laying and returning for deep-sea
Receive tension requirements, it is impossible to be directly applied for the depth of water environment at deep-sea；
3. easily occurs the tilting of copper strips edge in, the radial water-resisting ability of cable, manufacturing process, so as to be caused to restrictive coating
Destruction, reduces the insulating properties of extra large cable；
4. copper-clad band, is indulged outside light unit adds outer jacket as cable core, is protected due to no internal layer armouring and causes production process
In easily cause the torsion of cable core, to core cell-optical fiber formation greater risk of submarine optical fiber cable.
The content of the invention
In order to solve the above technical problems, feeding deep-sea cable the invention provides one kind, lift the anti-impact force of extra large cable, resist
Flat pressure and mechanical stretching performance, and the longitudinal water-blocking performance and radial water-resisting performance of extra large cable are lifted, reduce the manufacture of extra large cable
Cost and maintenance cost, reduce the damage to optical fiber in manufacturing process, improve the insulating properties of extra large cable.
To reach above-mentioned purpose, technical scheme is as follows：One kind feed deep-sea cable, including it is light unit, stranded
Armor on the outside of light unit, the feed layer being coated on the outside of armor, the insulating barrier being coated on the outside of feed layer, its feature
It is：The armor includes interior twisted layer and outer twisted layer, and the interior twisted layer is stranded on the outside of light unit, and the outer twisted layer is stranded in
On the outside of interior twisted layer, the feed layer cladding is on the outside of outer twisted layer；
The interior twisted layer has some first stranded wires, and the outer twisted layer has some second stranded wires
With the 3rd stranded wire, second stranded wire and the 3rd stranded wire are arranged alternately successively, and the described 3rd is stranded
The string diameter of wire is less than the string diameter of the second stranded wire；
Some first stranded wires are stranded on the outside of light unit, second stranded wire and the 3rd stranded wire
What silk was spaced is stranded in the first stranded wire, and the 3rd stranded wire is stranded in the second stranded wire；
First stranded wire, the second stranded wire, the 3rd stranded wire three twisting pitch it is identical, twist
Close direction identical.
The present invention a preferred embodiment in, further comprise the feed layer be aluminum pipe, the aluminum pipe by aluminium strip into
Type, it is welded through argon arc welding.
In the preferred embodiment of the present invention, further comprise that the step of aluminium strip is shaped to aluminum pipe is as follows：
S1, on-line cleaning：Winding aluminium strip is put after band, carries out the impurity in on-line cleaning, deoxidation and removal aluminium strip；
S2, shaping：Aluminium strip after on-line cleaning is shaped to tubular structure；
S3：Welding：Aluminium strip is shaped to after tubular structure, using the connecting sewing of argon arc welding welding tubular structure, forms aluminum pipe；
S4：Aluminum pipe drawing：Drawing was carried out to the aluminum pipe after welding using drawing process so that the external diameter of aluminum pipe is less than armour
The external diameter and twice of al zone thickness sum of layer are filled, the aluminum pipe crossed after drawing forms the feed layer.
The present invention a preferred embodiment in, further comprise first stranded wire, the second stranded wire,
Material water-proof material is filled with gap between 3rd stranded wire.
The present invention a preferred embodiment in, further comprise the material water-proof material include percentage by weight be 80%~
90% emulsifiable polyalcohol, the polymeric plasticizer that percentage by weight is 10%~20%.
In the preferred embodiment of the present invention, further comprise the first stranded wire, the second stranded wire, the 3rd
Stranded wire three is phosphating steel wire.
In the preferred embodiment of the present invention, further comprise that the string diameter of second stranded wire is less than first and twisted
The string diameter of alloy threads.
In the preferred embodiment of the present invention, further comprise that the light unit includes optical fiber, is coated on outer fiber
Stainless steel tube, gap between the optical fiber and stainless steel tube is filled with fine cream.
In the preferred embodiment of the present invention, further comprise being additionally provided with bonding between the feed layer and insulating barrier
Layer.
In the preferred embodiment of the present invention, it is polyethylene layer to further comprise the insulating barrier.
The beneficial effects of the invention are as follows:
One, the armor of light unit protected using double-deck stranded formed of stranded wire of three kinds of string diameters such as not, metal
The dutycycle of silk is 85% or so, and the dutycycle compared to tradition 75% can improve 13% mechanical stretching performance；Dutycycle
Raising bring greatly promoting for armouring energy bearing capacity, while dutycycle improve cause armor gap reduce, can with this
The longitudinal water-blocking ability of optical cable is greatly promoted, maintenance cost is reduced, the anti-impact force and anti-collapse power of extra large cable is lifted；
Secondly, the ratio between double-deck stranded phosphating steel wire and the volume cost of internal layer material water-proof material be 1:4, the band of conventional cable
The inner layer material volume cost of inner steel wire layer is 0.75*1+ (1-0.75) * 4=1.75, inner steel wire layer of the invention it is interior
Layer material volume cost is 0.85*1+ (0-0.85) * 4=1.45, greatly reduces Inner armour costs；
Thirdly, 61% that the conductance of aluminium is copper, and the price of aluminium strip is only the 30% of copper strips, and feed is used as from aluminum pipe
The feed section material cost 30%*61%=49% of optical cable is greatly reduced while identical D.C. resistance is met in layer；
Four, the conductance of aluminium is the 61% of copper, and the density of aluminium is only the 30% of copper, is existed from aluminum pipe as feed layer
While meeting identical D.C. resistance, the weight 30%*61%=49% of optical cable feed section is greatly lowered；
Five, with traditional copper product feed layer, the fusing point of aluminium is low, can for the bear defect aluminum pipe occurred among support
Preferably realize and repair；
Six, used the aluminum pipe of drawing process as feed layer, the radial clearance of cable core, the radial direction of cable core can be reduced
After gap reduces, the radial water-resisting ability of optical cable on the one hand can be improved, on the other hand can be increased between aluminum pipe and armor
Bonding force, greatly reduce construction and risk during joint；
Drawing process seven, is carried out after aluminium strip argon arc welding welding, the stability of cable configuration can be preferably realized, be lifted
The radial water-resisting ability of optical cable；
Eight, the optical cable of the application meets the requirement directly laid at the deep-sea more than 2000m.
Brief description of the drawings
Technical scheme in technology in order to illustrate the embodiments of the present invention more clearly, in being described below to embodiment technology
The required accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present invention
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of the preferred embodiment of the present invention.
Wherein：2- photo elements, 3- armors, 4- insulating barriers, 5- feed layers, the stranded wires of 6- first, 8- second is stranded
Wire, the stranded wires of 10- the 3rd, 12- optical fiber, 14- stainless steel tubes, 16- fibre cream, 18- adhesive linkages.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment
As shown in figure 1, disclose a kind of feed deep-sea cable in the present embodiment, including light unit 2, it is stranded in light unit 2
The armor 3 in outside, the feed layer 5 for being coated on the outside of armor 3, the adhesive linkage 18 for being coated on the outside of feed layer 5, be coated on it is viscous
Connect the high density polyethylene (HDPE) insulating barrier 4 in the outside of layer 18.
Above-mentioned light unit 2 includes optical fiber 12, is coated on the stainless steel tube 14 in the outside of optical fiber 12, above-mentioned optical fiber 12 and stainless steel
Gap between pipe 14 is filled with fine cream 16.
Above-mentioned armor 3 includes interior twisted layer and outer twisted layer, and above-mentioned interior twisted layer is stranded in the outside of stainless steel tube 14, above-mentioned outer strand
Layer is stranded on the outside of interior twisted layer, and above-mentioned feed layer 5 is coated on the outside of outer twisted layer；
Above-mentioned interior twisted layer has in some first stranded wires 6, the present embodiment technical scheme, the first stranded wire
6 section is preferably circular, and some first stranded wires 6 are centered around its outside centered on light unit 2；Above-mentioned outer strand
Layer has in some second stranded wires 8 and the 3rd stranded wire 10, the present embodiment technical scheme, the second stranded wire
The section of the stranded wire 10 of silk 8 and the 3rd is both preferably circle, and the string diameter of above-mentioned 3rd stranded wire 10 is less than second and twisted
The string diameter of alloy threads 8, the string diameter of above-mentioned second stranded wire is less than the string diameter of the first stranded wire.
In order to further reduce the gap between each stranded wire, the dutycycle of stranded wire, above-mentioned second are improved
The stranded wire 10 of stranded wire 8 and the 3rd be arranged alternately successively and with a circle M using the center of light unit 2 as the center of circle
To phase inscribe；
Some first stranded wires 6 are stranded in the outside of stainless steel tube 14, and above-mentioned second stranded wire 8 and the 3rd is twisted
What alloy threads 10 were spaced is stranded in the first stranded wire 6, and above-mentioned 3rd stranded wire 10 is stranded in the second stranded gold
Belong on silk 8.
The first stranded wire 6 and the second stranded wire are filled using the 3rd minimum stranded wire 10 of string diameter above
Gap between silk 8, can reduce the first stranded wire 6, the second stranded wire 8 and the three of the 3rd stranded wire 10
Between gap, the dutycycle between three is promoted to 85% from 75%.
In order to ensure the second stranded wire 8 is embedded in the first stranded wire 6 always, the 3rd stranded wire 10 is always
It is embedded in the first stranded wire 6 and the second stranded wire 8, further improves the dutycycle between wire, above-mentioned first
Stranded wire 6, the second stranded wire 8, the three of the 3rd stranded wire 10 twisting pitch it is identical, direction of lay is identical.
In the present embodiment technical scheme, above-mentioned first stranded wire 6, the second stranded wire 8, the 3rd stranded wire
10 threes are preferred to use phosphating steel wire.
Filled at gap between above-mentioned first stranded wire 6, the second stranded wire 8, the 3rd stranded wire 10
There is material water-proof material, compared to material water-proof materials such as traditional water blocking yarn, waterstops, double groups are preferred to use in the present embodiment technical scheme
Part epoxy glue as material water-proof material, wherein two-component epoxy glue include percentage by weight for 80%~90% it is emulsifiable polynary
Alcohol, percentage by weight are 10%~20% polymeric plasticizer.Traditional water blocking yarn, the viscosity of waterstop are big, it is difficult to full
Full filling gap；Meanwhile, water blocking yarn, the block-water effect of waterstop derive from water-proofing powder, utilize water-proofing powder water-swellable
Characteristic plays block-water effect, and so, the seawater of high salinity has a strong impact on the expansion effect of water-proofing powder, the coefficient of expansion close to zero,
Block-water effect can seriously be affected.The material water-proof material preferably used in the present embodiment technical scheme is weight percentage as 80%
~90% emulsifiable polyalcohol, the polymeric plasticizer that percentage by weight is 10%~20%, emulsifiable polyalcohol and polymerization
Thing plasticizer is the fluidised form of viscosity very little, during filling, and emulsifiable polyalcohol and polymeric plasticizer are separately filled, fluidised form
Material water-proof material is easy to full filling gap, and emulsifiable polyalcohol and polymeric plasticizer mix solidify afterwards in gap, had
Ideal block-water effect, and high salinity seawater do not interfere with solidification after material water-proof material expansion effect, meet deep-sea light
The water preventing ability requirement of cable.
As a further improvement on the present invention, above-mentioned feed layer 5 is aluminum pipe, and above-mentioned aluminum pipe is molded by aluminium strip, through argon arc welding
It is welded, the step of above-mentioned aluminium strip is shaped to aluminum pipe is as follows：
S1, on-line cleaning：Winding aluminium strip is put after band, carries out the impurity in on-line cleaning, deoxidation and removal aluminium strip；
S2, shaping：Aluminium strip after on-line cleaning is shaped to tubular structure；
S3：Welding：Aluminium strip is shaped to after tubular structure, using the connecting sewing of argon arc welding welding tubular structure, forms aluminum pipe,
Aluminum pipe good mechanical property after argon arc welding welding, intensity is big, not easy to break；
S4：Aluminum pipe drawing：Drawing was carried out to the aluminum pipe after welding using drawing process so that the external diameter of aluminum pipe is less than armour
The external diameter and twice of al zone thickness sum of layer are filled, the aluminum pipe crossed after drawing forms above-mentioned feed layer.
In the present embodiment technical scheme, after aluminium strip on-line cleaning, light unit and armor are integrally placed to the aluminium strip of tiling
On, light unit and armor are integrally placed inside tubular structure when aluminium strip is shaped to tubular structure, and individually aluminum pipe is entered after welding
Went drawing process so that the external diameter of aluminum pipe is less than the external diameter and twice of al zone thickness sum of armor, crosses the mistake of drawing aluminum pipe
Cheng Zhong, the inwall extruding armor 3 of aluminum pipe, the gap under extruding force effect between each wire of armor 3 further reduces,
The longitudinal water-blocking ability and radial water-resisting ability of optical cable are further improved with this.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. one kind feed deep-sea cable, including light unit, be stranded on the outside of light unit armor, be coated on the outside of armor
Feed layer, the insulating barrier being coated on the outside of feed layer, it is characterised in that：The armor includes interior twisted layer and outer twisted layer, described
Interior twisted layer is stranded on the outside of light unit, and the outer twisted layer is stranded on the outside of interior twisted layer, and the feed layer cladding is on the outside of outer twisted layer；
The interior twisted layer has some first stranded wires, and the outer twisted layer has some second stranded wires and
Three stranded wires, second stranded wire and the 3rd stranded wire are arranged alternately successively, the 3rd stranded wire
The string diameter of silk is less than the string diameter of the second stranded wire；
Some first stranded wires are stranded on the outside of light unit, between second stranded wire and the 3rd stranded wire
Every be stranded in the first stranded wire, the 3rd stranded wire is stranded in the second stranded wire.
2. a kind of feed deep-sea cable according to claim 1, it is characterised in that：The feed layer is aluminum pipe, the aluminium
Pipe is molded by aluminium strip, is welded through argon arc welding.
3. a kind of feed deep-sea cable according to claim 2, it is characterised in that：The step of aluminium strip is shaped to aluminum pipe
It is as follows：
S1, on-line cleaning：Winding aluminium strip is put after band, carries out the impurity in on-line cleaning, deoxidation and removal aluminium strip；
S2, shaping：Aluminium strip after on-line cleaning is shaped to tubular structure；
S3：Welding：Aluminium strip is shaped to after tubular structure, using the connecting sewing of argon arc welding welding tubular structure, forms aluminum pipe；
S4：Aluminum pipe drawing：Drawing was carried out to the aluminum pipe after welding using drawing process so that the external diameter of aluminum pipe is less than armor
External diameter and twice of al zone thickness sum, cross drawing after aluminum pipe form the feed layer.
4. a kind of feed deep-sea cable according to claim 1, it is characterised in that：First stranded wire, second
Stranded wire, the 3rd stranded wire three twisting pitch it is identical, direction of lay is identical.
5. a kind of feed deep-sea cable according to claim 1 or 2, it is characterised in that：First stranded wire,
Material water-proof material is filled with gap between two stranded wires, the 3rd stranded wire.
6. a kind of feed deep-sea cable according to claim 5, it is characterised in that：The material water-proof material includes weight percent
The polymeric plasticizer for being 10%~20% than the emulsifiable polyalcohol for 80%~90%, percentage by weight.
7. a kind of feed deep-sea cable according to claim 5, it is characterised in that：It is first stranded wire, second stranded
Wire, the 3rd stranded wire three are phosphating steel wire.
8. a kind of feed deep-sea cable according to claim 5, it is characterised in that：The string diameter of second stranded wire
Less than the string diameter of the first stranded wire.
9. a kind of feed deep-sea cable according to claim 1, it is characterised in that：The light unit includes optical fiber, cladding
Gap between the stainless steel tube of outer fiber, the optical fiber and stainless steel tube is filled with fine cream.
10. a kind of feed deep-sea cable according to claim 1, it is characterised in that：Between the feed layer and insulating barrier
It is additionally provided with adhesive linkage.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710427973.7A CN107219597A (en) | 2017-06-08 | 2017-06-08 | One kind feed deep-sea cable |
| PCT/CN2017/111638 WO2018223620A1 (en) | 2017-06-08 | 2017-11-17 | Deep-sea feeder cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710427973.7A CN107219597A (en) | 2017-06-08 | 2017-06-08 | One kind feed deep-sea cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107219597A true CN107219597A (en) | 2017-09-29 |
Family
ID=59947510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710427973.7A Pending CN107219597A (en) | 2017-06-08 | 2017-06-08 | One kind feed deep-sea cable |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107219597A (en) |
| WO (1) | WO2018223620A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018223620A1 (en) * | 2017-06-08 | 2018-12-13 | 江苏亨通海洋光网系统有限公司 | Deep-sea feeder cable |
| CN109239879A (en) * | 2018-11-23 | 2019-01-18 | 陈丽珠 | A kind of seabed desalination covering fiber cable laying terminal box |
| CN110426798A (en) * | 2019-07-08 | 2019-11-08 | 江苏亨通海洋光网系统有限公司 | A kind of large capacity low resistance transoceanically has relaying submarine optical fiber cable |
| CN110517832A (en) * | 2019-08-28 | 2019-11-29 | 江苏亨通高压海缆有限公司 | production process and production system of water-blocking conductor |
| CN111427124A (en) * | 2020-03-18 | 2020-07-17 | 江苏亨通海洋光网系统有限公司 | Submarine optical cable odd-number unequal-diameter steel wire composite copper pipe integrated arched inner armor structure |
| CN111443444A (en) * | 2020-03-19 | 2020-07-24 | 烽火通信科技股份有限公司 | Sensing communication composite optical cable and manufacturing method thereof |
| CN112114409A (en) * | 2020-10-30 | 2020-12-22 | 江苏亨通海洋光网系统有限公司 | Light high-strength submarine optical cable |
| CN114029357A (en) * | 2021-11-05 | 2022-02-11 | 江苏亨通海洋光网系统有限公司 | Stretching repair process for submarine cable metal pipe defects |
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| US20150034200A1 (en) * | 2013-08-02 | 2015-02-05 | Oceaneering International, Inc. | Extruded encapsulated fillers to provide crush protection |
| CN106772845A (en) * | 2016-11-28 | 2017-05-31 | 江苏通光海洋光电科技有限公司 | A kind of heavy in section submarine optical fiber cable |
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| 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 |
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- 2017-11-17 WO PCT/CN2017/111638 patent/WO2018223620A1/en active Application Filing
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| US4952012A (en) * | 1988-11-17 | 1990-08-28 | Stamnitz Timothy C | Electro-opto-mechanical cable for fiber optic transmission systems |
| CN201141929Y (en) * | 2007-10-16 | 2008-10-29 | 通光集团有限公司 | Optical fiber unit of multi-layer composite metal protective tube |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018223620A1 (en) * | 2017-06-08 | 2018-12-13 | 江苏亨通海洋光网系统有限公司 | Deep-sea feeder cable |
| CN109239879A (en) * | 2018-11-23 | 2019-01-18 | 陈丽珠 | A kind of seabed desalination covering fiber cable laying terminal box |
| CN109239879B (en) * | 2018-11-23 | 2020-12-15 | 嘉兴英智杰自动化设备有限公司 | Submarine desalination covers optical cable and lays terminal box |
| CN110426798A (en) * | 2019-07-08 | 2019-11-08 | 江苏亨通海洋光网系统有限公司 | A kind of large capacity low resistance transoceanically has relaying submarine optical fiber cable |
| WO2021003805A1 (en) * | 2019-07-08 | 2021-01-14 | 江苏亨通海洋光网系统有限公司 | Large-capacity low-resistance transoceanic relaying submarine optical fiber cable |
| CN110517832A (en) * | 2019-08-28 | 2019-11-29 | 江苏亨通高压海缆有限公司 | production process and production system of water-blocking conductor |
| CN111427124A (en) * | 2020-03-18 | 2020-07-17 | 江苏亨通海洋光网系统有限公司 | Submarine optical cable odd-number unequal-diameter steel wire composite copper pipe integrated arched inner armor structure |
| WO2021184771A1 (en) * | 2020-03-18 | 2021-09-23 | 江苏亨通海洋光网系统有限公司 | Integrated arched inner armor structure used for submarine optical cable and provided with odd number of steel wires having unequal diameters and composite copper pipe |
| CN111443444A (en) * | 2020-03-19 | 2020-07-24 | 烽火通信科技股份有限公司 | Sensing communication composite optical cable and manufacturing method thereof |
| CN112114409A (en) * | 2020-10-30 | 2020-12-22 | 江苏亨通海洋光网系统有限公司 | Light high-strength submarine optical cable |
| CN114029357A (en) * | 2021-11-05 | 2022-02-11 | 江苏亨通海洋光网系统有限公司 | Stretching repair process for submarine cable metal pipe defects |
| CN114029357B (en) * | 2021-11-05 | 2023-12-12 | 江苏亨通海洋光网系统有限公司 | Stretching repair process for submarine cable metal tube defects |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018223620A1 (en) | 2018-12-13 |
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Application publication date: 20170929 |