CN110244423A - A kind of pipeline high fiber count cable - Google Patents
A kind of pipeline high fiber count cable Download PDFInfo
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- CN110244423A CN110244423A CN201910673887.3A CN201910673887A CN110244423A CN 110244423 A CN110244423 A CN 110244423A CN 201910673887 A CN201910673887 A CN 201910673887A CN 110244423 A CN110244423 A CN 110244423A
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- 239000002365 multiple layer Substances 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 58
- 239000013307 optical fiber Substances 0.000 claims description 27
- 239000000945 filler Substances 0.000 claims description 24
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- 239000011248 coating agent Substances 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 13
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- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
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- 229920006231 aramid fiber Polymers 0.000 claims description 6
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- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 150000002367 halogens Chemical class 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000004078 waterproofing Methods 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 230000006378 damage Effects 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920006346 thermoplastic polyester elastomer Polymers 0.000 claims description 3
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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
- G02B6/4403—Optical cables with ribbon structure
-
- 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
- G02B6/441—Optical cables built up from sub-bundles
-
- 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
-
- 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
- G02B6/4439—Auxiliary devices
Abstract
The invention belongs to communications optical cable technical fields, are related to a kind of pipeline high fiber count cable.The cable core of circular cross-section is constituted around the alternate centrally disposed transmission unit of the optical cable temperature transducers unit of 2~6 optical cable subelements and identical quantity with SZ stranded mode.In multiple-layer stacked twisting fibers band group in optical cable subelement, every layer is 1 fibre ribbon, and it is 4~24 cores that every fibre ribbon, which includes fiber number, and the fibre ribbon number of plies is identical with the fiber number that every fibre ribbon includes, minimum 16 core of the fiber number that each optical cable subelement is included, is up to 576 cores；Minimum 33 core of the total fiber number of the pipeline high fiber count cable of composition, is up to 3457 cores.The present invention is under the conditions of guaranteeing that cable outer diameter is not more than existing pipeline cable outer diameter, both the requirement of large core number had been reached, center of serve transmission unit reliably transmits the requirement of central site network information again, pipeline communication laying system big suitable for fiber capacity demand, being laid with difficulty.
Description
Technical field
The invention belongs to communications optical cable technical field, in particular to a kind of pipeline high fiber count cable.
Background technique
With the representatives such as mobile Internet, Internet of Things, cloud computing, big data, artificial intelligence generation information technology with
The acceleration of conventional industries is merged, and to the capacity of internet, reliability, more stringent requirements are proposed.Communications optical cable currently in use
Resistance to external shocks, bending, in terms of the problem of, cause also to bring while improving network performance serious
Security risk threatens, and due to the high speed characteristics of optical network data transmission, to the attack that network is very of short duration, is likely to cause big
Measure corrupt data or leakage.In addition existing optical cable can not meet demand due to capacity, according to current status, increase optical fiber
While capacity, cable outer diameter just needs to increase, and it is almost also more difficult than stepping on day to excavate new pipeline in city, however now existing
Pipeline can not increase-volume, can only increase fiber capacity in the case where existing pipeline cable outer diameter is constant.Therefore, it is necessary to one kind
High fiber count cable suitable for existing pipe capacity.
Summary of the invention
The purpose of the present invention is to solve problems described in background technique, provide a kind of pipeline high fiber count cable, this
Invention increases fiber capacity in the case where existing pipeline cable outer diameter is constant, and can also carry out simultaneously to transmission network real
When monitor, after optical cable is by partial destruction, still ensure that central site network information transmission.
Technical scheme is as follows:
A kind of pipeline high fiber count cable includes central transmission unit 1, optical cable subelement and optical cable temperature transducers unit, with
Centered on central transmission unit 1, the optical cable temperature transducers unit of 2~6 optical cable subelements and identical quantity is alternate to be arranged in
The cable core of circular cross-section is constituted around heart transmission unit 1 with SZ stranded mode；Water blocking layer 8 coats cable core, in cable core in
The filler II 7 that blocks water is filled in gap between heart transmission unit 1, optical cable subelement and optical cable temperature measuring unit, armor 9 coats
On water blocking layer 8, oversheath 10 coats armor 9, forms pipeline high fiber count cable；
The central transmission unit 1 by optical fiber II 21, the filler III 22 that blocks water, microbeam pipe II 23, seizing wire 24 and in
Heart transmission unit restrictive coating 25 forms, and optical fiber II 21 is placed in microbeam pipe II 23, and the filling that blocks water is also filled up in microbeam pipe II 23
III 22,6~10 seizing wires 24 of object are centered around II 23 surrounding of microbeam pipe in such a way that SZ is twisted and are constituted microbeam pipe II 23 and carefully
24 intertwist body of wirerope, central transmission unit restrictive coating 25 constitute microbeam pipe II 23 and 24 intertwist body of seizing wire cladding round
The central transmission unit 1 in section；The optical fiber II 21 is ultra-low-loss fiber, and the seizing wire 24 is soft thin aircraft cord wire
Rope；
The optical cable subelement is made of multiple-layer stacked twisting fibers band group 2, microbeam pipe I 3 and the filler I 4 that blocks water, multilayer
Superposition twisting fibers band group 2 is placed in microbeam pipe I 3, in microbeam pipe I 3 multiple-layer stacked twisting fibers band group 2 and microbeam pipe I 3 it
Between filling block water filler I 4；In the multiple-layer stacked twisting fibers band group 2, every layer is 1 fibre ribbon, and the fibre ribbon is every
Root fibre ribbon includes fiber number for N core, the integer that N is 4~24, and the fibre ribbon number of plies and every fibre ribbon for being included include
Fiber number N is identical, and N root fibre ribbon is superimposed as the multiple-layer stacked fibre ribbon group of square cross section, then forms multilayer through twisted
It is superimposed twisting fibers band group 2, the number of fibers of each multiple-layer stacked twisting fibers band group 2 is N2, each optical cable subelement wrapped
Minimum 16 core of the fiber number contained, is up to 576 cores；
The optical cable temperature transducers unit is made of optical fiber I 5 and tight sleeve layer 6,6 clad optical fiber I 5 of tight sleeve layer, the optical fiber I
5 be bend insensitive fiber；
By pipeline high fiber count cable composition proposal, the fiber number of the optical cable subelement of pipeline high fiber count cable
Minimum 32 core, is up to 3456 cores；Minimum 33 core of the total fiber number of the pipeline high fiber count cable of composition, is up to
3457 cores.
The microbeam pipe I 3 and microbeam pipe II 23 all squeeze for low-smoke halide-free fireproof composite polyolefine material or thermoplastic elastomer (TPE)
Type is made；
The filler I 4 that blocks water is to block water fiber paste, and described block water and blocks water filler III 22 all to block water at filler II 7
Yarn or water-proofing powder；
The tight sleeve layer 6 is to be extruded to be made by ethylene-tetrafluoroethylene copolymer；
The water blocking layer 8 is the wrapped composition of aramid fiber yarn waterstop, and aramid fiber yarn waterstop is semi-conductive buffer water-blocking band；
The armor 9 is made of stainless steel finer wire or stainless steel flexible hose；
The material of the central transmission unit restrictive coating 25 is thermoplastic polyester elastomer, and the material of the oversheath 10 is low
The composite material of cigarette Zero halogen flame resistance polyethylene.
The present invention has a characteristic that
1, the application for multiple-layer stacked the twisting fibers band group and microbeam pipe that the present invention is designed by multilayer transmission structure, in light
It is provided with optical cable subelement in cable, fiber capacity is increased in the case where being no more than existing pipeline cable outer diameter, improves light
The integration density of optical fiber in cable, has not only saved optical cable cost, and further save pipeline space.
2, the present invention obtains large core number fiber capacity with the optical cable subelement of common fiber optic ribbon production, also adds center
Transmission unit, while multiple optical cable temperature transducers units are set around central transmission unit, transmission network is supervised in real time
It surveys, after optical cable is by partial destruction, still ensures that the transmission of central site network.
3, the present invention by central transmission unit design and stainless steel finer wire using soft thin aircraft cable or
The armor of the optical cable of person's stainless steel flexible hose improves flexibility while guaranteeing optical cable tensile intensity, improve bending,
Tension and compressive property strengthen the flexibility and anti-pressure ability that optical cable is integrally improved to the protection and supporting role of cable body.
4, the present invention is using inside and outside multistage stop water design, can effectively be prevented in wet environment hydrone into
Enter, the hydrogen ions influence optical fiber to dissociate in liquid water transmission can be prevented.
Beneficial effects of the present invention are, compared to existing pipeline optical cable, the present invention is central transmission unit 1, multiple
Optical cable subelement and multiple optical cable temperature transducers units are placed in the same cable core, are guaranteeing cable outer diameter no more than existing pipeline
Under the conditions of cable outer diameter, the requirement of large core number was not only reached, but also center of serve transmission unit reliably transmits central site network information
Requirement.The structure of central transmission unit and armor of the invention designs, and is integrally improved the flexibility and resistance to compression energy of optical cable
Power；It is designed using inside and outside multistage stop water, the entrance of hydrone can be effectively prevented in wet environment, liquid water can be prevented
In dissociate hydrogen ions influence optical fiber transmission.Inventive pipeline high fiber count cable can be in existing city cable pipeline space
The core number capacity for increasing communication cable, pipeline communication laying system big suitable for fiber capacity demand, being laid with difficulty.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of pipeline high fiber count cable；
Fig. 2 is the cross-sectional view of center transmission unit.
In figure, 1-- central transmission unit, 2-- multiple-layer stacked twisting fibers band group, 3-- microbeam pipe I, 4-- blocks water filler
I, 5-- optical fiber I, 6-- tight sleeve layer, 7-- block water filler II, 8-- water blocking layer, 9-- armor, 10-- oversheath, 21-- optical fiber
II, 22-- block water filler III, 23-- microbeam pipe II, 24-- seizing wire, 25-- central transmission unit restrictive coating.
Specific embodiment
Below with reference to embodiment and attached drawing, the present invention is further described.
The present embodiment is the pipeline high fiber count cable for designing a kind of fiber number and being greater than 2000 cores, and replacement outer diameter is 20mm
1052 core numbers existing pipeline optical cable.Select the cross-sectional view technology of pipeline high fiber count cable as shown in Figure 1
Scheme, pipeline high fiber count cable include central transmission unit 1, optical cable subelement and optical cable temperature transducers unit, are passed with center
Centered on defeated unit 1, around 4 optical cable subelements and the alternate centrally disposed transmission unit 1 of 4 optical cable temperature transducers units
The cable core of circular cross-section is constituted with SZ stranded mode；
As shown in the cross-sectional view of Fig. 2 central transmission unit, central transmission unit 1 by optical fiber II 21, block water filling
Object III 22, microbeam pipe II 23, seizing wire 24 and central transmission unit restrictive coating 25 form, and optical fiber II 21 is placed in microbeam pipe II 23
It is interior, III 22,6 seizing wires 24 of filler that block water are also filled up in microbeam pipe II 23 is centered around microbeam pipe in such a way that SZ is twisted
II 23 surroundings constitute microbeam pipe II 23 and 24 intertwist body of seizing wire, and central transmission unit restrictive coating 25 is by microbeam pipe II 23 and carefully
24 intertwist body of wirerope cladding constitutes the central transmission unit 1 of circular cross-section.Optical fiber II 21 is ultra-low-loss fiber, and block water filling
Object III 22 is water blocking yarn or water-proofing powder, and microbeam pipe II 23 is that low-smoke halide-free fireproof composite polyolefine material or thermoplastic elastomer (TPE) extrude
Molding, seizing wire 24 are soft thin aircraft cable, and the material of central transmission unit restrictive coating 25 is thermoplastic polyester elastomer
Body.
The outer diameter 0.6mm of microbeam pipe II 23, the outer diameter 1mm of soft thin aircraft cable, microbeam pipe II 23 and 6 softness are thin
After the twisted cladding central transmission unit restrictive coating 25 of aircraft cable, central transmission unit outer diameter is 3mm.
As shown in Figure 1, optical cable subelement is by multiple-layer stacked twisting fibers band group 2, microbeam pipe I 3 and blocks water I 4 groups of filler
At, multiple-layer stacked twisting fibers band group 2 is placed in microbeam pipe I 3, in microbeam pipe I 3 multiple-layer stacked twisting fibers band group 2 with it is micro-
The filler I 4 that blocks water is filled between beam tube I 3.Multiple-layer stacked twisting fibers band group 2 selects 24 fibre ribbons, and every fibre ribbon includes
The width of 24 core fibres, every 24 core optic fibre belt optics is 3mm, and 24 layers of fibre ribbon are superimposed as the square cross of multiple-layer stacked fibre ribbon
Face is (3 × 3) mm2, the multiple-layer stacked twisting fibers band group 2 of square cross section, each multi-laminate are superimposed as through twisted formation
The number of fibers for adding twisting fibers band group 2 is 576 cores.Selecting outer diameter is the microbeam pipe I 3 of 6mm, and microbeam pipe I 3 is low smoke and zero halogen resistance
Polyolefine material or thermoplastic elastomer (TPE) extrusion forming are fired, the filler I 4 that blocks water is the fiber paste that blocks water.The outer diameter of microbeam pipe I 3 is
For the outer diameter of optical cable subelement, the outer diameter of optical cable subelement is 6mm.
Optical cable temperature transducers unit is made of optical fiber I 5 and tight sleeve layer 6,6 clad optical fiber I 5 of tight sleeve layer.Optical fiber I 5 is bending
Insensitive optical fiber, tight sleeve layer 6 are to be extruded to be made by ethylene-tetrafluoroethylene copolymer, and the outer diameter of tight sleeve layer 6 is 0.5mm.
As shown in Figure 1,4 optical cable subelements and the alternate centrally disposed transmission unit 1 of 4 optical cable temperature transducers units
The outer diameter for the circular cross-section cable core that surrounding is constituted with SZ stranded mode is 15mm.
The cable core of above-mentioned central transmission unit, 4 optical cable subelements and 4 optical cable side wall sensing units composition, wherein 4
The total fiber number of a optical cable subelement is 2304 cores；Total 2305 core of fiber number of the pipeline high fiber count cable of composition.
Water blocking layer 8 coats cable core, in cable core between central transmission unit, optical cable subelement and optical cable temperature measuring unit
The filler II 7 that blocks water is filled in gap, armor 9 is coated on water blocking layer 8, and oversheath 10 coats armor 9, forms pipeline
Use high fiber count cable.After coating oversheath 10, it is desirable that pipeline is with high fiber count cable outer diameter, that is, oversheath 10 outer diameter no more than existing
There is pipeline cable outer diameter 20mm.
In pipeline high fiber count cable, the filler II 7 that blocks water is water blocking yarn or water-proofing powder, and water blocking layer 8 blocks water for aramid fiber yarn
With wrapped composition, aramid fiber yarn waterstop is semi-conductive buffer water-blocking band, and armor 9 is by stainless steel finer wire or stainless steel flexible hose
It is made, the material of oversheath 10 is the composite material of low-smoke non-halogen flame-retardant polyethylene.According to prior art condition, can accomplish to block water
Layer 8 with a thickness of 0.1~0.3mm, armor 9 with a thickness of 0.1~0.3mm, oversheath 10 with a thickness of 1.0~1.5mm.
When water blocking layer thickness, armor thickness and oversheath thickness all take lower bound, i.e., water blocking layer 8 with a thickness of 0.1mm, armour
Fill layer 9 with a thickness of 0.1mm, oversheath 10 with a thickness of 1.0mm, the outer diameter of oversheath 10 is 17.4mm, the i.e. big core of pipeline
The minimum outer diameter of number optical cable is 17.4mm, is less than 20mm, meets design requirement.
When water blocking layer thickness, armor thickness and oversheath thickness all take high limit, i.e., water blocking layer 8 with a thickness of 0.3mm, armour
Fill layer 9 with a thickness of 0.3mm, oversheath 10 with a thickness of 1.5mm, the outer diameter of oversheath 10 is 19.2mm, the i.e. big core of pipeline
The maximum outside diameter of number optical cable is 19.2mm, is less than 20mm, meets design requirement.
According to prior art condition, water blocking layer 8 with a thickness of 0.1~0.3mm, armor 9 with a thickness of 0.1~0.3mm,
Oversheath 10 with a thickness of 1.0~1.5mm, the outer diameter of pipeline high fiber count cable is 17.4~19.2mm, is less than 20mm, meets
Design requirement.
In the present embodiment, when actual process control water blocking layer 8 is with a thickness of 0.25mm, armor 9 with a thickness of 0.25mm,
Oversheath 10 with a thickness of 1.50mm, the outer diameter of oversheath 10 is 19.0mm, i.e. the outer diameter of pipeline high fiber count cable is
19.0mm is less than 20mm, meets design requirement.
The data summarization of the present embodiment:
The fiber number of cable core:
Central transmission unit, 4 optical cable subelements and 4 temperature transducers units constitute cable core:
Fiber number: the fiber number of each multiple-layer stacked twisting fibers band group is 576 cores, the light of 4 optical cable subelements
Fibre core number is 2034 cores, and it is 2035 cores that fiber number, that is, optical cable fiber number is amounted in cable core；
The outer diameter of cable core:
The outer diameter 0.6mm of microbeam pipe II 23, the outer diameter 1mm of soft thin aircraft cable, 6 thin aircraft cables of softness,
Central transmission unit restrictive coating 25 is coated, central transmission unit outer diameter is 3mm；In optical cable subelement, multiple-layer stacked twisting fibers
Band group cross section (3 × 3) mm2, I 3 outer diameter of microbeam pipe is 6mm, and the outer diameter of optical cable subelement is 6mm；Optical cable temperature transducers unit
The outer diameter of tight sleeve layer 6 is 0.5mm；The outer diameter of cable core is 15mm；
Cable outer diameter: water blocking layer 8 with a thickness of 0.25mm, armor 9 with a thickness of 0.25mm, oversheath 10 with a thickness of
The outer diameter of 1.50mm, oversheath 10 are 19.0mm, i.e. the outer diameter of pipeline high fiber count cable is 19.0mm.
The pipeline high fiber count cable of the present embodiment amounts to 2305 core of fiber number, greater than the design requirement of 2000 core numbers,
Cable outer diameter is 19.0mm, less than the existing pipeline 20mm cable outer diameter of 1052 core number of optical cable.
According to above-mentioned design, a kind of new pipeline high fiber count cable is obtained, fiber number is, central transmission unit
Fiber number is 1 core, and the total core number of the optical fiber of 4 optical cable subelements is 2304 cores, 2305 cores is amounted to, greater than the design of 2000 core numbers
It is required that pipeline is 19mm with high fiber count cable outer diameter, less than the existing pipeline 20mm cable outer diameter of 1052 core number of optical cable, meet
Design requirement.Therefore inventive pipeline high fiber count cable can increase communication cable in existing city cable pipeline space
Core number capacity.
The present invention is suitable for the pipeline communication laying system that fiber capacity demand is big, laying is difficult.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of pipeline high fiber count cable, which is characterized in that pipeline high fiber count cable includes central transmission unit (1), light
Cable subelement and optical cable temperature transducers unit, centered on central transmission unit (1), 2~6 optical cable subelements and identical quantity
The alternate centrally disposed transmission unit (1) of optical cable temperature transducers unit around the cable of circular cross-section is constituted with SZ stranded mode
Core；Water blocking layer (8) coats cable core, between in cable core between central transmission unit, optical cable subelement and optical cable temperature measuring unit
The filler II (7) that blocks water is filled in gap, armor (9) is coated on water blocking layer (8), and oversheath (10) coats armor (9),
Form pipeline high fiber count cable；
The central transmission unit (1) is by optical fiber II (21), the filler III (22) that blocks water, microbeam pipe II (23), seizing wire
(24) it is formed with central transmission unit restrictive coating (25), optical fiber II (21) is placed in microbeam pipe II (23), in microbeam pipe II (23)
The filler III (22) that blocks water inside is also filled up, 6~10 seizing wires (24) are centered around microbeam pipe II (23) in such a way that SZ is twisted
Around constitute microbeam pipe II (23) and seizing wire (24) intertwist body, central transmission unit restrictive coating (25) is by microbeam pipe II (23)
The central transmission unit (1) for constituting circular cross-section is coated with seizing wire (24) intertwist body；The optical fiber II (21) is ultralow damage
Fibre is depleted, the seizing wire (24) is soft thin aircraft cable；
The optical cable subelement is made of multiple-layer stacked twisting fibers band group (2), microbeam pipe I (3) and the filler I (4) that blocks water, more
Layer superposition twisting fibers band group (2) is placed in microbeam pipe I (3), in microbeam pipe I (3) multiple-layer stacked twisting fibers band group (2) with
The filler I (4) that blocks water is filled between microbeam pipe I (3)；In the multiple-layer stacked twisting fibers band group (2), every layer is 1 optical fiber
Band, it include fiber number is N core that the fibre ribbon, which is every fibre ribbon, the integer that N is 4~24, the fibre ribbon number of plies for being included
Identical with the fiber number N that every fibre ribbon includes, N root fibre ribbon is superimposed as the multiple-layer stacked fibre ribbon of square cross section
Group, then multiple-layer stacked twisting fibers band group (2), the number of fibers of each multiple-layer stacked twisting fibers band group (2) are formed through twisted
For N2, minimum 16 core of the fiber number that each optical cable subelement is included is up to 576 cores；
The optical cable temperature transducers unit is made of optical fiber I (5) and tight sleeve layer (6), tight sleeve layer (6) clad optical fiber I (5), described
Optical fiber I (5) is bend insensitive fiber；
By pipeline high fiber count cable composition proposal, the fiber number of the optical cable subelement of pipeline high fiber count cable is minimum
For 32 cores, it is up to 3456 cores；Minimum 33 core of the total fiber number of the pipeline high fiber count cable of composition, is up to 3457
Core.
2. pipeline high fiber count cable according to claim 1, which is characterized in that the microbeam pipe I (3) and microbeam pipe II
It (23) is all low-smoke halide-free fireproof composite polyolefine material or thermoplastic elastomer (TPE) extrusion forming.
3. pipeline high fiber count cable according to claim 1, which is characterized in that the filler I (4) that blocks water is to block water
Fiber paste, filler II (7) and the filler III (22) that blocks water of blocking water is all for water blocking yarn or water-proofing powder.
4. pipeline high fiber count cable according to claim 1, which is characterized in that the tight sleeve layer (6) is by ethylene-four
Fluoride copolymers, which extrude, to be made.
5. pipeline high fiber count cable according to claim 1, which is characterized in that the water blocking layer (8) is aramid fiber yarn resistance
The wrapped composition of water band, aramid fiber yarn waterstop are semi-conductive buffer water-blocking band.
6. pipeline high fiber count cable according to claim 1, which is characterized in that the armor (9) is thin by stainless steel
Steel wire or stainless steel flexible hose are made.
7. pipeline high fiber count cable according to claim 1, which is characterized in that the central transmission unit restrictive coating
(25) material is thermoplastic polyester elastomer, the composite wood of the material low-smoke non-halogen flame-retardant polyethylene of the oversheath (10)
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910673887.3A CN110244423A (en) | 2019-07-25 | 2019-07-25 | A kind of pipeline high fiber count cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910673887.3A CN110244423A (en) | 2019-07-25 | 2019-07-25 | A kind of pipeline high fiber count cable |
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| Publication Number | Publication Date |
|---|---|
| CN110244423A true CN110244423A (en) | 2019-09-17 |
Family
ID=67893362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910673887.3A Pending CN110244423A (en) | 2019-07-25 | 2019-07-25 | A kind of pipeline high fiber count cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN114755773A (en) * | 2021-08-31 | 2022-07-15 | 南京华信藤仓光通信有限公司 | Winding superposed super-large core number ribbon optical cable and manufacturing method thereof |
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| CN102005259A (en) * | 2010-12-07 | 2011-04-06 | 衡阳恒飞电缆有限责任公司 | Submarine optical fiber composite high-voltage cable with detection function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112269231A (en) * | 2020-09-24 | 2021-01-26 | 深圳市特发信息光网科技股份有限公司 | Anti-shrinkage cable, signal transmission system and cable production equipment |
| CN112269231B (en) * | 2020-09-24 | 2023-09-05 | 深圳市特发信息光网科技股份有限公司 | Anti-shrinkage cable, signal transmission system and cable production equipment |
| CN114755773A (en) * | 2021-08-31 | 2022-07-15 | 南京华信藤仓光通信有限公司 | Winding superposed super-large core number ribbon optical cable and manufacturing method thereof |
| CN114755773B (en) * | 2021-08-31 | 2023-01-31 | 南京华信藤仓光通信有限公司 | Winding superposed super-large core number ribbon optical cable and manufacturing method thereof |
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