CN110426798A - A kind of large capacity low resistance transoceanically has relaying submarine optical fiber cable - Google Patents
A kind of large capacity low resistance transoceanically has relaying submarine optical fiber cable Download PDFInfo
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- CN110426798A CN110426798A CN201910609071.4A CN201910609071A CN110426798A CN 110426798 A CN110426798 A CN 110426798A CN 201910609071 A CN201910609071 A CN 201910609071A CN 110426798 A CN110426798 A CN 110426798A
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- Prior art keywords
- optical fiber
- armor
- transoceanically
- large capacity
- unit
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 55
- 239000000835 fiber Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000003287 optical effect Effects 0.000 claims abstract description 18
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 18
- 239000010935 stainless steel Substances 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 37
- 229910052802 copper Inorganic materials 0.000 claims description 32
- 239000010949 copper Substances 0.000 claims description 32
- 238000003466 welding Methods 0.000 claims description 25
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000001125 extrusion Methods 0.000 claims description 15
- 229910052786 argon Inorganic materials 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- -1 polyethylene Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000012948 isocyanate Substances 0.000 claims description 3
- 150000002513 isocyanates Chemical class 0.000 claims description 3
- 150000005846 sugar alcohols Polymers 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 5
- 230000035939 shock Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 16
- 238000011161 development Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012761 high-performance material Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
-
- 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
- G02B6/4479—Manufacturing methods of optical cables
Abstract
Present invention discloses a kind of large capacity low resistances transoceanically relaying submarine optical fiber cable, the cable core, armor and sheath of setting are corresponding in turn to including from-inner-to-outer, the cable core includes internal optical fiber and external stainless-steel pipe light unit, the optical fiber is provided with more and is filled with by fiber paste in the pipe of stainless steel tube optical unit, the armor is twisted by the first wire unit, the second wire unit and third wire unit, has been filled with the glue that blocks water in the twisted gap of the armor.The present invention guarantees high capacity transmission demand, guarantee that product obtains the D.C. resistance demand of minimum 0.6 Ω/20 DEG C of km@, excellent insulation performance, guarantee the feasibility of long length relaying, optimize the fracture load of the product, of short duration tensile load, it is ensured that laying and recycling of the submarine optical fiber cable in the maximum 8000m depth of water；Ensure the block-water performance of submarine optical fiber cable, reduces maintenance difficulty and cost；With excellent shock resistance and anti-flattening energy.
Description
Technical field
The present invention relates to a kind of large capacity low resistances transoceanically relaying submarine optical fiber cable.
Background technique
Also therefore the international data in 90% or more the whole world is transmitted by submarine optical fiber cable Transmission system, and Fiber Optical Submarine Cable System
Most important information carrier is communicated as contemporary global information.
On the other hand, with the fast development of the ICT industry such as current cloud computing, Internet of Things, big data, mobile interchange, entirely
Demand of the ball each side to connection is constantly promoted.In the full connection process for moving towards finer, submarine optical fiber cable Transmission system is played the part of
Role it is more and more important, become the foundation stone of national economic development, obtain government and the attention of investor.
As the main carriers transoceanically communicated, there is relaying submarine optical fiber cable to play most important role in sea cable family.
At this stage, global aggregate demand surpasses 50,000 kilometers/year.And with the surge of communication requirement, the design requirement of Fiber Optical Submarine Cable System is got over
More to tend to large capacity, large core number, longer repeater span, low latency, high safety, intelligence etc..
Submarine optical fiber cable design and manufacture conventional at present be divided into the outer longitudinal wrap copper strips of light unit add the structure of oversheath to design, light list
The design of argon arc welding welding copper strips and plastic extruding insulated after the armoured high-intensitive phosphating steel wire of member, but maximum fiber capacity is only 16
Core, D.C. resistance≤1.0 Ω/km.
The submarine optical fiber cable being on active service at this stage can not meet following growth requirement, and main deficiency is:
1, message capacity: there is the fiber capacity of relaying submarine optical fiber cable often in 16 cores hereinafter, can not meet the following large core number has at present
Relay the demand of submarine optical fiber cable；
2, repeater span: be limited to current submarine optical fiber cable optical fiber attenuation (≤0.180dB/km), D.C. resistance (1.0 Ω/km) and
Operating voltage (10kV) design has relaying submarine optical fiber cable to need every 100km relaying primary at present, and the direction of future development is then to increase
Big repeater span reduces the quantity of system repeater.
Summary of the invention
The purpose of the present invention is to provide a kind of guarantee high capacity transmission demand, guarantee that product obtains minimum 0.6 Ω/km@
20 DEG C of D.C. resistance demand, excellent insulation performance, guarantee long length relaying feasibility, optimize the product fracture load,
Of short duration tensile load, it is ensured that laying and recycling of the submarine optical fiber cable in the maximum 8000m depth of water；Ensure the block-water performance of submarine optical fiber cable,
Reduce maintenance difficulty and cost；Large capacity low resistance with excellent shock resistance and anti-flattening energy transoceanically has relaying Submarine Optical
Cable.
The technical scheme is that providing a kind of large capacity low resistance transoceanically has relaying submarine optical fiber cable, including cable core, armour
Layer and sheath are filled, the cable core, armor and sheath from-inner-to-outer are corresponding in turn to setting, and the cable core includes internal light
Fine and external stainless-steel pipe light unit, the optical fiber are provided with more and are filled with by fiber paste in stainless steel tube light list
In the pipe of member, the armor is twisted by the first wire unit, the second wire unit and third wire unit, institute
It states in the twisted gap of armor and has been filled with the glue that blocks water.
In a preferred embodiment of the present invention, first wire unit, the second wire unit and third metal
Silk unit is high-intensitive phosphating steel wire or copper wire.
In a preferred embodiment of the present invention, the armor by the first wire unit, the second wire unit with
And third wire unit is twisted longitudinal wrap copper pipe argon arc welding welding after forming double armor and fixes.
In a preferred embodiment of the present invention, extrusion molding high-performance polyethylene insulating layer forms sheath outside the copper pipe.
In a preferred embodiment of the present invention, the cable core maximum can accommodate the big effective cross-section G654 optical fiber of 96 cores.
In a preferred embodiment of the present invention, the armor has minimum 0.6 Ω/20 DEG C of km@D.C. resistance.
In a preferred embodiment of the present invention, the glue that blocks water uses the bicomponent material of isocyanates and polyalcohol.
Technical solution of the present invention also provides the moulding process that a kind of large capacity low resistance transoceanically has relaying submarine optical fiber cable, packet
Include following steps:
1) by laser welding stainless steel tube optical unit technology mode, control optical fiber laying tension is 50-100g, fiber paste filling rate
80% or more, excess fiber length is controlled in 0.5-4 ‰ for control, is finally guaranteeing excess fiber length, filling rate control and additional attenuation control
In the case where system, Multi-core number G654 optical fiber, long length (>=100km sections long) tubing are realized；
2) pass through three kinds of not isometrical stranded wires (the first wire unit, the second wire unit and third wire unit)
Bilayer is twisted to form stainless steel tube optical unit armor, is promoted in overall structure, process is being made in the duty ratio of wire unit
In, the laying tension of wire is controlled in 5-20kg, controls 10-30 times that armouring twisting pitch is armouring outer diameter；
3) outside sheathed structure, the copper strips of thickness 0.2-0.8mm thickness is selected, is formed by way of being drawn into type after argon arc welding
Stainless steel tube optical unit/armor/copper pipe structure composite conductor controls copper pipe during argon arc welding welding drawing molding
Drawing amount is between 10-30%, it is ensured that copper pipe can be embedded in metal armor layers, increase the cohesive force between copper pipe and armor, most
Eventually in the case where keeping copper pipe welding to stablize, realize that long length (>=100km sections long) large capacity low resistance transoceanically has relaying sea
Cable；
4) by coextrusion process, on the outside of copper pipe, extrusion molding binding material and insulating materials, control are successively distinguished in insulation extrusion molding manufacture
Binding material thickness is in 0.05-0.4mm, and insulate wall thickness >=3.0mm, and control extrusion molding speed is keeping insulation to squeeze in 5-50m/min
In the case that modeling is stablized, realize that long length (>=100km sections long) large capacity low resistance transoceanically has relaying sea cable；
Stranding additional attenuation control≤0.05dB/km@1550nm.
Of the present invention transoceanically to have relaying submarine optical fiber cable for a kind of large capacity low resistance, the present invention guarantees that high capacity transmission needs
It asks, guarantees that product obtains the D.C. resistance demand of minimum 0.6 Ω/20 DEG C of km@, excellent insulation performance guarantees long length relaying
Feasibility optimizes the fracture load of the product, of short duration tensile load, it is ensured that submarine optical fiber cable the maximum 8000m depth of water laying with
Recycling；Ensure the block-water performance of submarine optical fiber cable, reduces maintenance difficulty and cost；With excellent shock resistance and anti-flattening energy.
Detailed description of the invention
Fig. 1 is that a kind of large capacity low resistance of the present invention transoceanically has the section in relaying one preferred embodiment of submarine optical fiber cable to illustrate
Figure.
Specific embodiment
The preferred embodiments of the present invention will be described in detail below so that advantages and features of the invention can be easier to by
It will be appreciated by those skilled in the art that so as to make a clearer definition of the protection scope of the present invention.
It is of the present invention transoceanically to have relaying submarine optical fiber cable for a kind of large capacity low resistance, as shown in Figure 1, including from-inner-to-outer
It is corresponding in turn to setting cable core, stainless steel tube optical unit 1, armor and sheath 2.
Optical fiber 3 is provided with more and is filled in forming cable core in the pipe of stainless steel tube optical unit 1, no by fiber paste 4
1 diameter design of steel pipe light unit become rusty from 3.0mm to 5.0mm, wall thickness is designed from 0.2mm to 0.3mm, guarantees that cable core maximum can accommodate
The big effective cross-section G654 optical fiber of 96 cores (fiber types such as compatible conventional G652D)；4 filling rate >=90% of fiber paste is controlled simultaneously, to protect
Card stainless steel tube optical unit 1 can meet block-water performance under the conditions of 83Mpa.
Armor is twisted by the first wire unit 5, the second wire unit 6 and third wire unit 7, and first
Wire unit 5, the second wire unit 6 and third wire unit 7 can be respectively selected as high-intensitive phosphorus according to performance requirement
Change steel wire or copper wire.
In the present embodiment, armor includes the first high-intensitive phosphating steel wire 5 that inside is twisted and outside is twisted second
High-intensitive phosphating steel wire 6 and copper wire 7, and 8 argon arc welding welding of longitudinal wrap copper pipe is fixed on the outside, guarantees product structure stability, copper
The use of silk 7 is to form composite conductor, minimum to meet 0.6 Ω/km direct current to obtain the D.C. resistance demand of design requirement
It has been filled with and has blocked water in the twisted gap of resistance, the first high-intensitive phosphating steel wire 6 of high-intensitive phosphating steel wire 5, second and copper wire 7
Glue 9, the glue 9 that blocks water uses the bicomponent material of isocyanates and polyalcohol, to guarantee armouring gap block-water performance, high-intensitive phosphatization
Enhancing steel wire of the steel wire as armor, it can be ensured that fracture load force value >=80kN of the product guarantees that product can meet 8000m
The laying and recycling of the depth of water.
Sheath 2 selects the polyethylene layer of the performances such as anti-UV, wear-resistant, resistant to environmental cracking, and control insulating layer wall thickness >=
3mm guarantees the product under the conditions of maximum 20kV operating voltage, meets 25 years service life.
Processing technology:
By laser welding stainless steel tube optical unit technology mode, control optical fiber laying tension is 50-100g, fiber paste filling rate control
80% or more, excess fiber length is controlled in 0.5-4 ‰ system, is finally guaranteeing excess fiber length, filling rate control and additional attenuation control
In the case where, realize Multi-core number G654 optical fiber, long length (>=100km sections long) tubing；
It is double by three kinds of not isometrical stranded wires (the first wire unit, the second wire unit and third wire unit)
Layer is twisted to form stainless steel tube optical unit armor, is promoted in overall structure, process is being made in the duty ratio of wire unit
In, the laying tension of wire is controlled in 5-20kg, controls 10-30 times that armouring twisting pitch is armouring outer diameter；
It is designed according to structure, type selecting demand, outside sheathed structure, selects the copper strips of thickness 0.2-0.8mm thickness, pass through argon arc welding
The mode for being drawn into type afterwards forms stainless steel tube optical unit/armor/copper pipe structure composite conductor, in argon arc welding welding drawing
In forming process, drawing copper tubes amount is controlled between 10-30%, it is ensured that copper pipe can be embedded in metal armor layers, increase copper pipe and armour
The cohesive force between layer is filled, finally in the case where keeping copper pipe welding to stablize, realizes long length (>=100km sections long) large capacity
Low resistance transoceanically has relaying sea cable；
By coextrusion process, on the outside of copper pipe, successively extrusion molding binding material and insulating materials, control binding material thickness exist respectively
0.05-0.4mm, insulate wall thickness >=3.0mm, and control extrusion molding speed is in 5-50m/min, in the situation for keeping insulation extrusion molding stable
Under, realize that long length (>=100km sections long) large capacity low resistance transoceanically has relaying sea cable, insulation extrusion molding manufacture；
Stranding additional attenuation control≤0.05dB/km@1550nm.
This structure ensures the compact stability of the product structure, to meet the needs of submarine optical fiber cable is to shock resistance and anti-collapse.
Of the present invention transoceanically to have relaying submarine optical fiber cable for a kind of large capacity low resistance, the present invention has following advantage:
1, selection central tubular has relaying structure of submarine optical fiber cable design, and it is (simultaneous that maximum can accommodate the big effective cross-section G654 optical fiber of 96 cores
Hold the fiber types such as routine G652D), guarantee high capacity transmission demand；
2, low resistance structure designs: longitudinal wrap copper pipe after high-intensitive phosphating steel wire and third wire unit joint armouring is selected in design
The structure of argon arc welding guarantees that product obtains the D.C. resistance demand of minimum 0.6 Ω/20 DEG C of km@, guarantees the feasible of long length relaying
Property；
3, it mechanical performance application recycling depth of water design: is designed by the structure of high-intensitive phosphating steel wire, optimizes the fracture of the product
Load, of short duration tensile load, while the design of high-performance material water-proof material is filled, guarantee guaranteeing the product maximum application depth of water
While 8000m, it is ensured that the block-water performance of submarine optical fiber cable；Guarantee that submarine optical fiber cable shortens sea because being broken in use as far as possible
The length that water penetrates into reduces maintenance difficulty and cost；
4, insulating Design: the polyethylene layer of the performances such as anti-UV, wear-resistant, resistant to environmental cracking is selected in design, promotes product
Insulation resistance is greater than 100G Ω km, long-term work voltage to 20kV；
5, mechanical structure stability and the design of water-fast laminated structure: pass through the armoured high-intensitive phosphating steel wire of stainless steel tube optical unit
The structure design that copper strips and extrusion molding high-performance polyethylene are welded after third wire unit, guarantees the structural stability of the product,
Ensure that the product has excellent shock resistance and anti-flattening energy, while receiving maximum under the conditions of 8000m seawater depth can be met
The hydrostatic pressing of 83Mpa；
6, technique realizes stability: in the case where guaranteeing that excess fiber length, filling rate control and additional attenuation control, realizing multicore
Number G654 optical fiber, long length (>=100km sections long) tubing；In the case where keeping copper pipe welding to stablize, realization long length (>=
It is 100km sections long) large capacity low resistance transoceanically has a relaying sea cable, armouring argon arc welding manufacture；In the situation for keeping insulation extrusion molding stable
Under, realize that long length (>=100km sections long) large capacity low resistance transoceanically has relaying sea cable, insulate extrusion molding.
The foregoing is merely a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, any
Those skilled in the art within the technical scope disclosed by the invention, can without the variation that creative work is expected or
Replacement, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be limited with claims
Subject to fixed protection scope.
Claims (8)
1. a kind of large capacity low resistance transoceanically has relaying submarine optical fiber cable, including cable core, armor and sheath, it is characterised in that:
The cable core, armor and sheath from-inner-to-outer are corresponding in turn to setting, the cable core include internal optical fiber and it is external not
It becomes rusty steel steel pipe light unit, the optical fiber is provided with more and is filled with by fiber paste in the pipe of stainless steel tube optical unit, institute
Armor is stated to be twisted by the first wire unit, the second wire unit and third wire unit, the armor
The glue that blocks water has been filled in twisted gap.
2. large capacity low resistance according to claim 1 transoceanically has relaying submarine optical fiber cable, it is characterised in that: first gold medal
Belonging to silk unit, the second wire unit and third wire unit is high-intensitive phosphating steel wire or copper wire.
3. large capacity low resistance according to claim 1 transoceanically has relaying submarine optical fiber cable, it is characterised in that: the armor
By the twisted longitudinal wrap copper pipe argon after forming double armor of the first wire unit, the second wire unit and third wire unit
Arc welding is fixed.
4. large capacity low resistance according to claim 1 transoceanically has relaying submarine optical fiber cable, it is characterised in that: outside the copper pipe
Portion's extrusion molding high-performance polyethylene insulating layer forms sheath.
5. large capacity low resistance according to claim 1 transoceanically has relaying submarine optical fiber cable, it is characterised in that: the cable core is most
The big effective cross-section G654 optical fiber of 96 cores can be accommodated greatly.
6. large capacity low resistance according to claim 1 transoceanically has relaying submarine optical fiber cable, it is characterised in that: the armor
With minimum 0.6 Ω/20 DEG C of km@D.C. resistance.
7. large capacity low resistance according to claim 1 transoceanically has relaying submarine optical fiber cable, it is characterised in that: the glue that blocks water
Using the bicomponent material of isocyanates and polyalcohol.
8. a kind of will go the large capacity low resistance of 1-7 transoceanically to have the moulding process of relaying submarine optical fiber cable, feature applied to right
It is: includes the following steps:
1) by laser welding stainless steel tube optical unit technology mode, control optical fiber laying tension is 50-100g, fiber paste filling rate
80% or more, excess fiber length is controlled in 0.5-4 ‰ for control, is finally guaranteeing excess fiber length, filling rate control and additional attenuation control
In the case where system, Multi-core number G654 optical fiber, long length (>=100km sections long) tubing are realized；
2) pass through three kinds of not isometrical stranded wires (the first wire unit, the second wire unit and third wire unit)
Bilayer is twisted to form stainless steel tube optical unit armor, is promoted in overall structure, process is being made in the duty ratio of wire unit
In, the laying tension of wire is controlled in 5-20kg, controls 10-30 times that armouring twisting pitch is armouring outer diameter；
3) outside sheathed structure, the copper strips of thickness 0.2-0.8mm thickness is selected, is formed by way of being drawn into type after argon arc welding
Stainless steel tube optical unit/armor/copper pipe structure composite conductor controls copper pipe during argon arc welding welding drawing molding
Drawing amount is between 10-30%, it is ensured that copper pipe can be embedded in metal armor layers, increase the cohesive force between copper pipe and armor, most
Eventually in the case where keeping copper pipe welding to stablize, realize that long length (>=100km sections long) large capacity low resistance transoceanically has relaying sea
Cable；
4) by coextrusion process, on the outside of copper pipe, extrusion molding binding material and insulating materials, control are successively distinguished in insulation extrusion molding manufacture
Binding material thickness is in 0.05-0.4mm, and insulate wall thickness >=3.0mm, and control extrusion molding speed is keeping insulation to squeeze in 5-50m/min
In the case that modeling is stablized, realize that long length (>=100km sections long) large capacity low resistance transoceanically has relaying sea cable；
Stranding additional attenuation control≤0.05dB/km@1550nm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910609071.4A CN110426798A (en) | 2019-07-08 | 2019-07-08 | A kind of large capacity low resistance transoceanically has relaying submarine optical fiber cable |
| PCT/CN2019/101554 WO2021003805A1 (en) | 2019-07-08 | 2019-08-20 | Large-capacity low-resistance transoceanic relaying submarine optical fiber cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910609071.4A CN110426798A (en) | 2019-07-08 | 2019-07-08 | A kind of large capacity low resistance transoceanically has relaying submarine optical fiber cable |
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| CN110426798A true CN110426798A (en) | 2019-11-08 |
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| CN (1) | CN110426798A (en) |
| WO (1) | WO2021003805A1 (en) |
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| 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 |
| CN111679383A (en) * | 2020-05-20 | 2020-09-18 | 中航宝胜海洋工程电缆有限公司 | High-strength side pressure-resistant and impact-resistant submarine optical cable core and preparation method thereof |
| CN111816361A (en) * | 2020-07-17 | 2020-10-23 | 东莞市民兴电缆有限公司 | Waterproof multicore electric power transmission & distribution cable of degree of depth |
| CN111897070A (en) * | 2020-08-26 | 2020-11-06 | 江苏亨通海洋光网系统有限公司 | Relay submarine optical cable structure capable of reducing direct current resistance |
| CN111913261A (en) * | 2020-08-26 | 2020-11-10 | 江苏亨通海洋光网系统有限公司 | Sea optical cable with optical unit longitudinally-wrapped copper strip structure and preparation method thereof |
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| US20220283397A1 (en) * | 2021-03-05 | 2022-09-08 | Subcom, Llc | High fiber count undersea cable |
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- 2019-07-08 CN CN201910609071.4A patent/CN110426798A/en active Pending
- 2019-08-20 WO PCT/CN2019/101554 patent/WO2021003805A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN111679383A (en) * | 2020-05-20 | 2020-09-18 | 中航宝胜海洋工程电缆有限公司 | High-strength side pressure-resistant and impact-resistant submarine optical cable core and preparation method thereof |
| CN111816361A (en) * | 2020-07-17 | 2020-10-23 | 东莞市民兴电缆有限公司 | Waterproof multicore electric power transmission & distribution cable of degree of depth |
| CN111897070A (en) * | 2020-08-26 | 2020-11-06 | 江苏亨通海洋光网系统有限公司 | Relay submarine optical cable structure capable of reducing direct current resistance |
| CN111913261A (en) * | 2020-08-26 | 2020-11-10 | 江苏亨通海洋光网系统有限公司 | Sea optical cable with optical unit longitudinally-wrapped copper strip structure and preparation method thereof |
| WO2022041526A1 (en) * | 2020-08-26 | 2022-03-03 | 江苏亨通海洋光网系统有限公司 | Relay submarine optical fiber cable structure capable of reducing direct current resistance |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021003805A1 (en) | 2021-01-14 |
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