CN106448903B - A kind of laying down on sea bottom optoelectronic composite cable for transmitting optical signal and electric power - Google Patents
A kind of laying down on sea bottom optoelectronic composite cable for transmitting optical signal and electric power Download PDFInfo
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- CN106448903B CN106448903B CN201610903536.3A CN201610903536A CN106448903B CN 106448903 B CN106448903 B CN 106448903B CN 201610903536 A CN201610903536 A CN 201610903536A CN 106448903 B CN106448903 B CN 106448903B
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- 230000003287 optical effect Effects 0.000 title abstract description 13
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- 239000011241 protective layer Substances 0.000 claims abstract description 61
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- 239000004800 polyvinyl chloride Substances 0.000 claims description 10
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- 239000000835 fiber Substances 0.000 claims description 6
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/005—Power cables including optical transmission elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/14—Submarine cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/226—Helicoidally wound metal wires or tapes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/023—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of helicoidally wound tape-conductors
Abstract
The invention belongs to technical field of cables; it is related to the laying down on sea bottom optoelectronic composite cable of transmission optical signal and electric power, it includes multifiber, Loose tube, thermal insulation layer, conductor layer, insulating barrier, screen layer, the first protective layer, inner sheath, the first armor, the second protective layer, the second armor, the 3rd protective layer, outer jacket；First armor is twisted around inner sheath by the first reinforcing element with first segment away from one-way spiral；Second armor is twisted by second the second protective layer of reinforcing element contour with the second pitch one-way spiral；The first/bis- pitch around to opposite；Second pitch be first segment away from 3 ~ 5 times；First segment away from：Inner sheath external diameter=(3 ~ 6)：1；The material of first reinforcing element is steel wire or B alloy wire；The material of second reinforcing element is steel wire or B alloy wire.The following main beneficial effect of present invention tool：Can transmit optical signal and can transmission electric power, and more can counter-bending, anti-torsion, more compact structure, the life-span is longer, external diameter is smaller, cost is lower, cost of transportation is more saved.
Description
Technical field
The invention belongs to seabed cable technical field, more particularly, to laying down on sea bottom optoelectronic composite cable and its manufacturer
Method.
Background technology
Undersea transmission electric power and transmission signal of communication are that solved by two cables, that is, are used for the seabed electricity for transmitting electric power
Power cable and the submarine optical fiber cable for transmitting signal of communication, are separately laid in seabed.And cable and optical cable are intended to possess
The performance of water-impervious, high water pressure resistant, tension, anti-corrosion, anti-wear etc., to reach the requirement used in seabed.Therefore, existing seabed
Though cable and optical cable solve the problems, such as electric power and communication signal transmissions, manufacturing expense and laying are costly.
Therefore, substantial amounts of research has been carried out to this both at home and abroad, such as：Authorization Notice No. is CN2817011, entitled：Light
Electric composite structured submarine cable, including have the subsea power electricity of cored wire (1), inner restrictive coating (4), armor (5) and external sheath layer (6)
Cable, it is characterised in that：The fiber unit (2) coated with stainless steel sleeve pipe, optical fiber list are also wrapped in described inner restrictive coating (4)
Member is placed in cored wire gap, and the surrounding space of cored wire and fiber unit is filled with filler (3)；It will be originally used for transmission electricity
The sea electric power cable of power and it is compounded in for transmitting the submarine optical fiber cable of signal of communication in an extra large cable, is allowed to that electricity can be transmitted
Power, and can transmission signal of communication is not only esy to use, safe and reliable, and greatlys save manufacture and laying expense, can answer extensively
For continent and island, island and island and the electric power of offshore platform and the transmission of communication；But applicant thinks structure
It is compact not enough, also improved space, can so make cost is lower, space hold is less, quality is lighter, cost of transportation more
It is few.
Publication No. is CN102290135A, entitled：The core photoelectric composite submarine cables of rated voltage 220kV tri-, including from
It is outer be sequentially distributed in it is outer drape over one's shoulders layer, armor and inner liner, three circumscribed electricity of two two-phases are provided with described inner liner
Unit, described electric unit and described inner liner surrounded three at gap be filled with multiple fills units, three institutes
The electric unit stated and all fills units, which are all twisted, forms one extra large cable main core part, the extra large cable main core part after twisted
Gummed cloth band is surrounded with outside, wherein at least one is light unit in all fills units, and remaining fills unit is gasket for packing；
There is with Authorization Notice No. be CN2817011 patent it is same the defects of.
The content of the invention
In order to solve the above problems, the purpose of the present invention is to disclose laying down on sea bottom optoelectronic composite cable and its manufacture method,
They are realized using following technical scheme.
In the first embodiment of the present invention, laying down on sea bottom optoelectronic composite cable, it is characterised in that it includes multifiber
1st, by Loose tube 2 that optical fiber envelopes, the thermal insulation layer 3 being coated on outside Loose tube, the conductor layer 4 being distributed in outside thermal insulation layer, position
In the insulating barrier 5 outside conductor layer, the screen layer 6 outside insulating barrier, the first protective layer 7 being coated on outside screen layer,
The inner sheath 8 that extrusion molding is coated on outside the first protective layer, the first armor outside inner sheath, it is coated on outside the first armor
The second protective layer 10, the second armor outside the second protective layer, extrusion molding be coated on outside the second armor the 3rd
Protective layer 12, extrusion molding are coated on the outer jacket 13 outside the 3rd protective layer；First armor is surrounded by more first reinforcing elements 9
Inner sheath is twisted with first segment away from one-way spiral；Second armor is by more the second protective layers of contour of second reinforcing element 11
It is twisted with the second pitch one-way spiral；First segment away from the second pitch around to opposite；Second pitch be first segment away from 3
~5 times；First segment away from：Inner sheath external diameter=（3~6）：1；The length of the optical fiber is the 1.002~1.018 of Loose tube length
Times.
In the second embodiment of the present invention, laying down on sea bottom optoelectronic composite cable, it is characterised in that it includes multifiber
1st, by Loose tube 2 that optical fiber envelopes, the thermal insulation layer 3 being coated on outside Loose tube, the conductor layer 4 being distributed in outside thermal insulation layer, position
In the insulating barrier 5 outside conductor layer, the screen layer 6 outside insulating barrier, the first protective layer 7 being coated on outside screen layer,
The inner sheath 8 that extrusion molding is coated on outside the first protective layer, the first armor outside inner sheath, it is coated on outside the first armor
The second protective layer 10, the second armor outside the second protective layer, extrusion molding be coated on outside the second armor the 3rd
Protective layer 12, extrusion molding are coated on the outer jacket 13 outside the 3rd protective layer；First armor is surrounded by more first reinforcing elements 9
Inner sheath is twisted with first segment away from one-way spiral, and the first reinforcing element is coated on first by first kind reinforcer 91 and extrusion molding
The first bed course 92 outside class reinforcer is formed；Second armor is by more the second protective layers of contour of second reinforcing element 11 with
Two pitch one-way spirals are twisted, and the second reinforcing element is coated on the second class reinforcer by the second class reinforcer 111 and extrusion molding
Outside the second bed course 112 form；First segment away from the second pitch around to opposite；Second pitch be first segment away from 3~5
Times；First segment away from：Inner sheath external diameter=（3~6）：1；The length of the optical fiber is 1.002~1.018 times of Loose tube length.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the optical fiber for G.652 type or G.655 type or
G.656 type or G.657 type.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of the Loose tube is poly- terephthaldehyde
Sour butanediol ester or modified polypropene.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of the thermal insulation layer be glass fibre or
Asbestos or rock wool or mica.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that after the conductor layer is twisted by more conductor silks
It is knitted to form.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of the insulating barrier is high-density polyethylene
Alkene or medium density polyethylene or low density polyethylene (LDPE) or crosslinked polyethylene or low smoke and zero halogen polyethylene or polyvinyl chloride.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the screen layer is steel band or copper strips, be with
Longitudinal direction cladding or the mode of helical coated are coated on outside insulating barrier.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of first protective layer is waterstop
Or non-woven fabrics or polyester belt.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of the inner sheath is high-density polyethylene
Alkene or medium density polyethylene or low density polyethylene (LDPE) or crosslinked polyethylene or low smoke and zero halogen polyethylene or polyvinyl chloride.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of second protective layer is high density
Polyethylene or medium density polyethylene or low density polyethylene (LDPE) or crosslinked polyethylene or low smoke and zero halogen polyethylene or polyvinyl chloride or resistance
Water band or non-woven fabrics.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of the 3rd protective layer is waterstop
Or non-woven fabrics or polyester belt.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of the outer jacket is high-density polyethylene
Alkene or medium density polyethylene or low density polyethylene (LDPE) or crosslinked polyethylene.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of the first kind reinforcer is steel wire
Or fiberglass pole or aramid yarn.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of the second class reinforcer is steel wire
Or fiberglass pole or aramid yarn.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of first bed course gathers for high density
Ethene or medium density polyethylene or low density polyethylene (LDPE) or crosslinked polyethylene or polypropylene.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of second bed course gathers for high density
Ethene or medium density polyethylene or low density polyethylene (LDPE) or crosslinked polyethylene or polypropylene.
Therefore, the present invention has following main beneficial effect：Optical signal and can transmission electric power can be transmitted, and more can bending resistance
Song, anti-torsion, more compact structure, the life-span is longer, external diameter is smaller, cost is lower, cost of transportation is more saved.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram after one section of stripping of embodiment 1 of the present invention.
Fig. 2 is the cross-sectional structure schematic diagram after Fig. 1 amplifications.
Fig. 3 is the dimensional structure diagram after one section of stripping of embodiment 2 of the present invention.
Fig. 4 is the cross-sectional structure schematic diagram after Fig. 3 amplifications.
Embodiment
Embodiment 1
See Fig. 1 and Fig. 2, laying down on sea bottom optoelectronic composite cable, it is characterised in that it includes 12 optical fiber 1, by optical fiber bag
The Loose tube 2 that covers, the thermal insulation layer 3 being coated on outside Loose tube, the conductor layer 4 being distributed in outside thermal insulation layer, positioned at conductor layer it
Outer insulating barrier 5, the screen layer 6 outside insulating barrier, the first protective layer 7, the extrusion molding that are coated on outside screen layer are coated on
Inner sheath 8 outside first protective layer, the first armor outside inner sheath, the second protection being coated on outside the first armor
Layer 10, the second armor outside the second protective layer, extrusion molding are coated on the 3rd protective layer 12 outside the second armor, squeezed
Modeling is coated on the outer jacket 13 outside the 3rd protective layer；First armor is by 20 first reinforcing elements 9 around inner sheath with the
One pitch one-way spiral is twisted；Second armor is by 30 the second protective layers of contour of second reinforcing element 11 with the second pitch
One-way spiral is twisted；First segment away from the second pitch around to opposite；Second pitch be first segment away from 3~5 times；First
Pitch：Inner sheath external diameter=（3~6）：1；The material of first reinforcing element is steel wire or B alloy wire；Described second strengthens member
The material of part is steel wire or B alloy wire；The length of the optical fiber is 1.002~1.018 times of Loose tube length.
In this embodiment, optical fiber can also be other more；First reinforcing element can also be other more；Second strengthens member
Part can also be other more；First reinforcing element, the second reinforcing element radical and diameter and the pulling force born required for optical cable
It is relevant, it can be designed as needed；Extension force requirements can be met by reaching, and and can reaches the requirement of minimum outer diameter value, and makes light
Cable can bear enough resistance to compressions and anti-impact force.
Embodiment 2
See Fig. 3 and Fig. 4, laying down on sea bottom optoelectronic composite cable, it is characterised in that it includes 12 optical fiber 1, by optical fiber bag
The Loose tube 2 that covers, the thermal insulation layer 3 being coated on outside Loose tube, the conductor layer 4 being distributed in outside thermal insulation layer, positioned at conductor layer it
Outer insulating barrier 5, the screen layer 6 outside insulating barrier, the first protective layer 7, the extrusion molding that are coated on outside screen layer are coated on
Inner sheath 8 outside first protective layer, the first armor outside inner sheath, the second protection being coated on outside the first armor
Layer 10, the second armor outside the second protective layer, extrusion molding are coated on the 3rd protective layer 12 outside the second armor, squeezed
Modeling is coated on the outer jacket 13 outside the 3rd protective layer；First armor is by 20 first reinforcing elements 9 around inner sheath with the
One pitch one-way spiral is twisted, the first reinforcing element by first kind reinforcer 91 and extrusion molding be coated on first kind reinforcer it
The first outer bed course 92 is formed；Second armor is unidirectional with the second pitch by 30 the second protective layers of contour of second reinforcing element 11
Spiral is twisted, and the second reinforcing element is coated on second outside the second class reinforcer by the second class reinforcer 111 and extrusion molding
Bed course 112 is formed；First segment away from the second pitch around to opposite；Second pitch be first segment away from 3~5 times；First segment away from：
Inner sheath external diameter=（3~6）：1；The material of the first kind reinforcer is steel wire or fiberglass pole or aramid yarn；Second class adds
The material of strong part is steel wire or fiberglass pole or aramid yarn；The material of first bed course is high density polyethylene (HDPE) or the poly- second of Midst density
Alkene or low density polyethylene (LDPE) or crosslinked polyethylene or polypropylene；The material of second bed course is high density polyethylene (HDPE) or the poly- second of Midst density
Alkene or low density polyethylene (LDPE) or crosslinked polyethylene or polypropylene；The length of the optical fiber is the 1.002~1.018 of Loose tube length
Times.
In this embodiment, optical fiber can also be other more；First reinforcing element can also be other more；Second strengthens member
Part can also be other more；First reinforcing element, the second reinforcing element radical and diameter and the pulling force born required for optical cable
It is relevant, it can be designed as needed；Extension force requirements can be met by reaching, and and can reaches the requirement of minimum outer diameter value, and makes light
Cable can bear enough resistance to compressions and anti-impact force；First kind reinforcer, the second class reinforcer in first reinforcing element can
It is designed and size selection as needed, it is so more flexible；In addition, the mode in the present embodiment, when the first/bis- class is strengthened
When part is steel wire, because outside has the first/bis- bed course, therefore, effectively completely cut off moisture content, make it be not easy to get rusty, the life-span more
It is long.
Laying down on sea bottom optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that the optical fiber is
G.652 type or G.655 type or G.656 type or G.657 type.
Laying down on sea bottom optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that the material of the Loose tube
Expect for polybutylene terephthalate (PBT) or modified polypropene.
Laying down on sea bottom optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that the material of the thermal insulation layer
Expect for glass fibre or asbestos or rock wool or mica.
Laying down on sea bottom optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that the conductor layer is by more
It is knitted to form after root conductor silk is twisted.
Laying down on sea bottom optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that the material of the insulating barrier
Expect for high density polyethylene (HDPE) or medium density polyethylene or low density polyethylene (LDPE) or crosslinked polyethylene or low smoke and zero halogen polyethylene or poly-
Vinyl chloride.
Laying down on sea bottom optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that the screen layer is steel
Band or copper strips, it is to be coated in a manner of longitudinally cladding or helical coated outside insulating barrier.
Laying down on sea bottom optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that first protective layer
Material be waterstop or non-woven fabrics or polyester belt.
Laying down on sea bottom optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that the material of the inner sheath
Expect for high density polyethylene (HDPE) or medium density polyethylene or low density polyethylene (LDPE) or crosslinked polyethylene or low smoke and zero halogen polyethylene or poly-
Vinyl chloride.
Laying down on sea bottom optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that second protective layer
Material be high density polyethylene (HDPE) or medium density polyethylene or low density polyethylene (LDPE) or crosslinked polyethylene or low smoke and zero halogen polyethylene
Or polyvinyl chloride or waterstop or non-woven fabrics.
Laying down on sea bottom optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that the 3rd protective layer
Material be waterstop or non-woven fabrics or polyester belt.
Laying down on sea bottom optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that the material of the outer jacket
Expect for high density polyethylene (HDPE) or medium density polyethylene or low density polyethylene (LDPE) or crosslinked polyethylene.
In the present invention, the conductor layer in above-mentioned embodiment can be single cylinder circular layer, and this mode is single-core cable；
Certainly, technical field personnel in place can suitably change, and be multiple fan Ring-cylindricals, set between adjacent fan Ring-cylindrical
Insulator, it is conductor layer that all fan Ring-cylindricals, insulator, which form a complete cylinder circular layer, and outside thermal insulation layer, this
Sample can realize the mode of multicore cable.
Laying down on sea bottom optoelectronic composite cable described in above-mentioned embodiment 1 and embodiment 2, it is characterised in that it is to pass through
Following methods step is fabricated：
The first step：The step of manufacturing Loose tube, it is included：（A1）The optical fiber of good color is coiled on fiber reel, so
Fiber reel is arranged on the optical fiber paying out reel of secondary coated production line afterwards；It is repeated multiple times, until taking required multifiber；
（A2）Polybutylene terephthalate (PBT) is put into secondary coated extruding machine and carries out extrusion molding；（A3）Will（A1）All optical fiber prepared
Draw and pass through the core rod and head of secondary coated extruding machine, and make secondary coated extruding machine extrusion molding, draw together secondary coated
The plastics of extruder head extrusion and the multifiber passed through, initial Loose tube, initial Loose tube are cooled into hot water storgae
It is discontiguous with hot water groove edge, there is hot water in the hot water storgae, the initial Loose tube in hot water storgae is totally immersed into heat
In water, the temperature of hot water is 45 ± 10 DEG C；（A4）Initial Loose tube is continuously drawn in continuation, by initial Loose tube a diameter of
Enclose around 2~4 on 800mm~1200mm the first traction wheel and then drew the first traction wheel and form middle Loose tube, often enclose it
Between do not intersect or overlapping；Along the diametric(al) of the first traction wheel, the first traction wheel has 1/4~1/3 to be immersed in bosh,
Among being formed before Loose tube, the edge of initial Loose tube and bosh is discontiguous, is had in the bosh
Cooling water, the temperature of cooling water is 15 ± 5 DEG C；(A5) Loose tube makes it be cooled down by 30~150 meters of air among drawing, so
The compressed air that middle Loose tube surface pressure is 0.1~0.3bar is dried up afterwards, is wound on take-up reel and forms finished product pine
Sleeve pipe；The length of the optical fiber is 1.002~1.018 times of Loose tube length；
Second step：The step of manufacturing thermal insulation layer and conductor layer：（B1）The finished product Loose tube that the first step is formed is released, and is taken
By extruding machine, the extrusion molding outside Loose tube coats to form thermal insulation layer insulating layer material, or takes glass fiber tape or asbestos yarn or rock
Cotton strip or mica banding heat-barrier material spiral is wrapped that thermal insulation layer is formed outside Loose tube；（B2）Take more flexible conductor silks mutually twisted
Conductor bar is formed, hands over more conductor bar spirals to be stranded in outside thermal insulation layer and forms conductor layer；
3rd step：The step of manufacturing insulating barrier：Take high density polyethylene (HDPE) or medium density polyethylene or low density polyethylene (LDPE) or
Crosslinked polyethylene or low smoke and zero halogen polyethylene or polyvinyl chloride, and its extrusion molding is coated on outside the conductor layer of second step formation, shape
Into insulating barrier；
4th step：The step of manufacturing screen layer：Steel band or copper strips is taken to be coated in a manner of longitudinally cladding or helical coated
Outside the insulating barrier that 3rd step is formed, screen layer is formed；
5th step：The step of manufacturing the first protective layer：Waterstop or non-woven fabrics or polyester belt are taken with longitudinal direction cladding or spiral
The mode of cladding is coated on outside the screen layer of the 4th step formation, forms the first protective layer；
6th step：The step of manufacturing inner sheath：Take high density polyethylene (HDPE) or medium density polyethylene or low density polyethylene (LDPE) or
Crosslinked polyethylene or low smoke and zero halogen polyethylene or polyvinyl chloride, its extrusion molding is coated on outside the first protective layer of the 5th step formation,
Form inner sheath；
7th step：The step of manufacturing the first armor：More first reinforcing elements are taken to surround the inner sheath that the 6th step is formed
It is twisted with first segment away from one-way spiral and forms the first armor, the material of first reinforcing element is steel wire or B alloy wire；Or
The first bed course outside the first reinforcing element is coated on first kind reinforcer by first kind reinforcer and extrusion molding described in person is formed, the
The material of a kind of reinforcer is steel wire or fiberglass pole or aramid yarn；The material of first bed course be high density polyethylene (HDPE) or in it is close
Spend polyethylene or low density polyethylene (LDPE) or crosslinked polyethylene or polypropylene；First segment away from：Inner sheath external diameter=（3~6）：1；
8th step：The step of manufacturing the second protective layer：Take high density polyethylene (HDPE) or medium density polyethylene or low density polyethylene
Alkene or crosslinked polyethylene or low smoke and zero halogen polyethylene or polyvinyl chloride, its extrusion molding is coated on to the first armor of the 7th step formation
Outside, the second protective layer is formed；Or waterstop or non-woven fabrics is taken to be coated on the 7th step in a manner of longitudinally cladding or helical coated
Outside the first armor formed, the second protective layer is formed；
9th step：The step of manufacturing the second armor：The second guarantor for taking more second reinforcing elements to be formed around the 8th step
Sheath forms the second armor so that the second pitch one-way spiral is twisted, and the material of second reinforcing element is steel wire or alloy
Silk；Or second reinforcing element is coated on the second bed course structure outside the second class reinforcer by the second class reinforcer and extrusion molding
Into the material of the second class reinforcer is steel wire or fiberglass pole or aramid yarn；The material of second bed course is high density polyethylene (HDPE)
Or medium density polyethylene or low density polyethylene (LDPE) or crosslinked polyethylene or polypropylene；Second pitch and first segment away from around to phase
Instead；Second pitch be first segment away from 3~5 times；
Tenth step：The step of manufacturing three protective layers：Waterstop or non-woven fabrics or polyester belt are taken with longitudinal direction cladding or spiral
The mode of cladding is coated on outside the second armor of the 9th step formation, forms the 3rd protective layer；
11st step：The step of manufacturing outer jacket：Take high density polyethylene (HDPE) or medium density polyethylene or low density polyethylene (LDPE)
Or crosslinked polyethylene, its extrusion molding is coated on outside the 3rd protective layer of the tenth step formation, forms outer jacket；Laying down on sea bottom is completed to use
The manufacture of optoelectronic composite cable.
The manufacturing process of above-mentioned Loose tube, it is ensured that the length of optical fiber is 1.002~1.018 times of Loose tube length；Make
The optical property of optical fiber is protected, and Acclimation temperature scope is wider, and mainly -10 to+80 degrees Celsius of internal temperature can ensure
Optical fiber attenuation change absolute value is 0.03dB/km and following, certainly, can also factice for filling in Loose tube gap.
The manufacture method of laying down on sea bottom optoelectronic composite cable of the present invention is simple, easily grasps, manufactured goods rate height.
In the present invention due to optical fiber be located at optical cable center, and conductive layer with annular distribution outside thermal insulation layer, therefore, structure
It is more compact, external diameter is smaller, cost is lower.
In the present invention, gap is smaller for prior art, therefore the resistance to torsion of more compact structure, optical cable, bending resistance
The more excellent performance of folding.
In the present invention, in the gap in Loose tube can with factice for filling, with prevent hydrogen ion and hydroxide ion for
The aging effects of optical fiber.
Thermal insulation layer in the present invention can effectively completely cut off influence of the conductor temp.-elevating to optical fiber, make optical signal transmission more steady
It is fixed, more reliable.
The present invention has following main beneficial effect：More can counter-bending, anti-torsion, more compact structure, life-span be longer, external diameter
It is smaller, cost is lower, cost of transportation is more saved.
The present invention is not limited to above-mentioned preferred forms, it will be appreciated that design of the invention can be by other a variety of shapes
Formula is implemented to use, and they are also fallen within protection scope of the present invention.
Claims (1)
1. laying down on sea bottom optoelectronic composite cable, it is characterised in that it includes multifiber, the Loose tube that optical fiber is enveloped, cladding
Thermal insulation layer outside Loose tube, the conductor layer being distributed in outside thermal insulation layer, the insulating barrier outside conductor layer, positioned at insulating barrier
Outside screen layer, the first protective layer, the extrusion molding that are coated on outside screen layer be coated on outside the first protective layer inner sheath, be located at
The first armor outside inner sheath, the second protective layer being coated on outside the first armor, outside the second protective layer
Two armors, extrusion molding are coated on the 3rd protective layer outside the second armor, and extrusion molding is coated on the outer shield outside the 3rd protective layer
Layer；First armor is twisted around inner sheath by more first reinforcing elements with first segment away from one-way spiral；Second armouring
Layer is twisted by more second the second protective layers of reinforcing element contour with the second pitch one-way spiral；First segment away from second section
Away from around to opposite；Second pitch be first segment away from 3 times；First segment away from：Inner sheath external diameter=3：1；First reinforcing element
Material be steel wire；The material of second reinforcing element is steel wire；The length of the optical fiber for Loose tube length 1.002~
1.018 again；
The optical fiber is G.652 type；
The method for manufacturing laying down on sea bottom optoelectronic composite cable, includes following manufacturing step：
The first step：The step of manufacturing Loose tube, it is included：（A1）The optical fiber of good color is coiled on fiber reel, then will
Fiber reel is arranged on the optical fiber paying out reel of secondary coated production line；It is repeated multiple times, until taking required multifiber；（A2）
Polybutylene terephthalate (PBT) is put into secondary coated extruding machine and carries out extrusion molding；（A3）Will（A1）All optical fiber traction prepared
And through the core rod and head of secondary coated extruding machine, and make secondary coated extruding machine extrusion molding, secondary coated extrusion molding is drawn together
The plastics of machine head extrusion and the multifiber passed through, initial Loose tube, initial Loose tube and heat are cooled into hot water storgae
Tank edge is discontiguous, has hot water in the hot water storgae, and the initial Loose tube in hot water storgae is totally immersed into the hot water,
The temperature of hot water is 45 ± 10 DEG C；（A4）Continuation continuously draw initial Loose tube, by initial Loose tube a diameter of 800mm~
Enclose around 4 on 1200mm the first traction wheel and then drew the first traction wheel and form middle Loose tube, do not handed over mutually between often enclosing
Fork is overlapping；Along the diametric(al) of the first traction wheel, the first traction wheel has 1/4~1/3 to be immersed in bosh, among formation
Before Loose tube, the edge of initial Loose tube and bosh is discontiguous, has cooling water in the bosh, cooling
The temperature of water is 15 ± 5 DEG C；(A5) Loose tube makes it be cooled down by 150 meters of air among drawing, then by middle Loose tube
The compressed air that surface pressure is 0.1~0.3bar dries up, and is wound into formation finished product Loose tube on take-up reel；The optical fiber
Length is 1.002~1.018 times of Loose tube length；
Second step：The step of manufacturing thermal insulation layer and conductor layer：（B1）The finished product Loose tube that the first step is formed is released, and is taken heat-insulated
By extruding machine, the extrusion molding outside Loose tube coats to form thermal insulation layer layer material,（B2）The mutually twisted formation of more flexible conductor silks is taken to lead
Body bar, take more conductor bar spirals to be stranded in outside thermal insulation layer and form conductor layer；
3rd step：The step of manufacturing insulating barrier：Polyvinyl chloride is taken, and its extrusion molding is coated on outside the conductor layer of second step formation,
Form insulating barrier；
4th step：The step of manufacturing screen layer：Steel band is taken to be coated in a manner of helical coated outside the insulating barrier of the 3rd step formation,
Form screen layer；
5th step：The step of manufacturing the first protective layer：Waterstop is taken to be coated on the screen of the 4th step formation in a manner of helical coated
Cover outside layer, form the first protective layer；
6th step：The step of manufacturing inner sheath：Crosslinked polyethylene, its extrusion molding is coated on to the first protective layer of the 5th step formation
Outside, inner sheath is formed；
7th step：The step of manufacturing the first armor：The inner sheath that more first reinforcing elements are formed around the 6th step is taken with the
One pitch one-way spiral is twisted to form the first armor,
8th step：The step of manufacturing the second protective layer：Crosslinked polyethylene, its extrusion molding is coated on to the first armouring of the 7th step formation
Layer is outer, forms the second protective layer；
9th step：The step of manufacturing the second armor：More second reinforcing elements are taken to surround the second protective layer that the 8th step is formed
The second armor is formed so that the second pitch one-way spiral is twisted；Second pitch and first segment away from around to opposite；Second pitch is
First segment away from 3 times；
Tenth step：The step of manufacturing three protective layers：Polyester belt is taken to be coated on the of the formation of the 9th step in a manner of helical coated
Outside two armors, the 3rd protective layer is formed；
11st step：The step of manufacturing outer jacket：Crosslinked polyethylene, its extrusion molding is coated on to the 3rd protective layer of the tenth step formation
Outside, outer jacket is formed；Complete the manufacture of laying down on sea bottom optoelectronic composite cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610903536.3A CN106448903B (en) | 2014-09-15 | 2014-09-15 | A kind of laying down on sea bottom optoelectronic composite cable for transmitting optical signal and electric power |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410467645.6A CN104332225B (en) | 2014-09-15 | The manufacture method of laying down on sea bottom optoelectronic composite cable | |
| CN201610903536.3A CN106448903B (en) | 2014-09-15 | 2014-09-15 | A kind of laying down on sea bottom optoelectronic composite cable for transmitting optical signal and electric power |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410467645.6A Division CN104332225B (en) | 2014-09-15 | 2014-09-15 | The manufacture method of laying down on sea bottom optoelectronic composite cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106448903A CN106448903A (en) | 2017-02-22 |
| CN106448903B true CN106448903B (en) | 2017-12-19 |
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ID=52406937
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| CN201610903643.6A Expired - Fee Related CN106653179B (en) | 2014-09-15 | 2014-09-15 | For transmitting the laying down on sea bottom optoelectronic composite cable of optical signal and electric power |
| CN201610903681.1A Expired - Fee Related CN106448904B (en) | 2014-09-15 | 2014-09-15 | Transmit the laying down on sea bottom optoelectronic composite cable of optical signal and electric power |
| CN201610903536.3A Active CN106448903B (en) | 2014-09-15 | 2014-09-15 | A kind of laying down on sea bottom optoelectronic composite cable for transmitting optical signal and electric power |
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| CN201610903643.6A Expired - Fee Related CN106653179B (en) | 2014-09-15 | 2014-09-15 | For transmitting the laying down on sea bottom optoelectronic composite cable of optical signal and electric power |
| CN201610903681.1A Expired - Fee Related CN106448904B (en) | 2014-09-15 | 2014-09-15 | Transmit the laying down on sea bottom optoelectronic composite cable of optical signal and electric power |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110221393B (en) * | 2019-06-27 | 2020-11-06 | 烽火通信科技股份有限公司 | Air-blowing traction device for loose tube and production line |
| CN113031177B (en) * | 2021-02-20 | 2022-06-21 | 江苏新华能电缆有限公司 | Super-sealed distributed optical fiber load-bearing detection cable |
| CN113937710B (en) * | 2021-10-20 | 2023-03-24 | 泰来兴科技(惠州)有限公司 | Underwater buoyancy cable with torsion-resistant structure and erection device thereof |
| GB2621694A (en) * | 2023-01-27 | 2024-02-21 | Afl Telecommunications Llc | Armored, insulated, fiber optic cables |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783209A (en) * | 2010-03-10 | 2010-07-21 | 无锡华能电缆有限公司 | Photoelectric integrated and intelligent transfer wire |
| CN202110882U (en) * | 2011-06-23 | 2012-01-11 | 浙江万马集团特种电子电缆有限公司 | Novel photoelectric composite cable for cable televisions |
| CN102654625A (en) * | 2012-04-27 | 2012-09-05 | 成都亨通光通信有限公司 | Underwater optical cable |
| CN102749693A (en) * | 2012-08-14 | 2012-10-24 | 成都亨通光通信有限公司 | Novel environment-protection, rat-proof and ant-proof optical cable and processing technology thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2441293C1 (en) * | 2010-11-03 | 2012-01-27 | Алексей Константинович Власов | Earth wire with optical communication cable |
-
2014
- 2014-09-15 CN CN201610903643.6A patent/CN106653179B/en not_active Expired - Fee Related
- 2014-09-15 CN CN201610903681.1A patent/CN106448904B/en not_active Expired - Fee Related
- 2014-09-15 CN CN201610903536.3A patent/CN106448903B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783209A (en) * | 2010-03-10 | 2010-07-21 | 无锡华能电缆有限公司 | Photoelectric integrated and intelligent transfer wire |
| CN202110882U (en) * | 2011-06-23 | 2012-01-11 | 浙江万马集团特种电子电缆有限公司 | Novel photoelectric composite cable for cable televisions |
| CN102654625A (en) * | 2012-04-27 | 2012-09-05 | 成都亨通光通信有限公司 | Underwater optical cable |
| CN102749693A (en) * | 2012-08-14 | 2012-10-24 | 成都亨通光通信有限公司 | Novel environment-protection, rat-proof and ant-proof optical cable and processing technology thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106653179A (en) | 2017-05-10 |
| CN106448904B (en) | 2018-04-20 |
| CN106448904A (en) | 2017-02-22 |
| CN104332225A (en) | 2015-02-04 |
| CN106653179B (en) | 2017-12-26 |
| CN106448903A (en) | 2017-02-22 |
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