CN104332225B - The manufacture method of laying down on sea bottom optoelectronic composite cable - Google Patents

The manufacture method of laying down on sea bottom optoelectronic composite cable Download PDF

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Publication number
CN104332225B
CN104332225B CN201410467645.6A CN201410467645A CN104332225B CN 104332225 B CN104332225 B CN 104332225B CN 201410467645 A CN201410467645 A CN 201410467645A CN 104332225 B CN104332225 B CN 104332225B
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coated
loose tube
protective layer
density polyethylene
outside
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CN104332225A (en
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陈耕
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NINGBO RONGHE WIRE Co Ltd
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NINGBO RONGHE WIRE Co Ltd
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Priority to CN201610903681.1A priority Critical patent/CN106448904B/en
Priority to CN201610903536.3A priority patent/CN106448903B/en
Priority to CN201410467645.6A priority patent/CN104332225B/en
Priority to CN201610903643.6A priority patent/CN106653179B/en
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Abstract

The invention belongs to technical field of cables; relating to laying down on sea bottom optoelectronic composite cable, it comprises 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 formed away from one-way spiral is stranded with first segment around inner sheath by the first reinforcing element;Second armor is formed away from one-way spiral is stranded with second section by second reinforcing element contour the second protective layer;The first/bis-pitch around on the contrary;Second section away from be first segment away from 3~5 times;First segment is away from inner sheath external diameter=(3~6): 1;The material of the first reinforcing element is steel wire or B alloy wire;The material of the second reinforcing element is steel wire or B alloy wire.The present invention has a following main beneficial effect: can transmit optical signal and can transmit again electric power, and more can counter-bending, anti-torsion, more compact structure, the life-span is longer, external diameter is less, cost is lower, cost of transportation is more saved.

Description

The manufacture method of laying down on sea bottom optoelectronic composite cable
Technical field
The invention belongs to seabed cable technical field, especially relate to laying down on sea bottom optoelectronic composite cable and manufacture method thereof.
Background technology
Undersea transmission electric power and transmission signal of communication are to be solved by two cables, i.e. for transmitting the sea electric power cable of electric power and for transmitting the submarine optical fiber cable of signal of communication, are separately laid in seabed.And cable and optical cable are intended to possess water-impervious, high water pressure resistant, tension, anticorrosion, anti-wear etc. performance, to reach the requirement used in seabed.Therefore, though existing electric and optical fiber submarine cables solves the problem of electric power and communication signal transmissions, but manufacturing expense and laying costly.
For this, both at home and abroad this has been carried out substantial amounts of research, such as: Authorization Notice No. is CN2817011, entitled: photoelectric composite structured submarine cable, including tool heart yearn (1), inner restrictive coating (4), armor (5) and the sea electric power cable of external sheath layer (6), it is characterized in that: be also wrapped on the fiber unit (2) of rustless steel sleeve pipe cladding in described inner restrictive coating (4), fiber unit is placed in heart yearn gap, and the surrounding space of heart yearn and fiber unit is filled with implant (3);It is compounded in being originally used for transmitting the sea electric power cable of electric power and being used for transmitting the submarine optical fiber cable of signal of communication in an extra large cable, it is allowed to transmit electric power, signal of communication can be transmitted again, the most esy to use, safe and reliable, and be greatly saved manufacture and lay expense, can be widely applied to continent and island, island and island and the electric power of offshore platform and the transmission of communication;But, applicant thinks that structure is the compactest, also has the space improved, and so can make that cost is lower, space hold less, quality is lighter, cost of transportation is less.
Publication No. is CN102290135A, entitled: rated voltage 220kV tri-core photoelectric composite submarine cable, outer layer is draped over one's shoulders including be sequentially distributed from outside to inside, armor and inner liner, three two biphase circumscribed electric units it are provided with in described inner liner, described electric unit and described inner liner surrounded three at gap be all filled with multiple filling unit, three described electric units and all of filling unit whole stranded formation one stock market main core segment of cable, it is surrounded with gluing strap outside the main core segment of extra large cable after stranded, in all of filling unit, at least one of which is light unit, remaining fills unit is gasket for packing;There is the defect same with the patent that Authorization Notice No. is CN2817011.
Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to disclose laying down on sea bottom optoelectronic composite cable and manufacture method thereof, they realize by the following technical solutions.
In first embodiment of the present invention, laying down on sea bottom optoelectronic composite cable, it is characterized in that it comprises multifiber 1, the Loose tube 2 that optical fiber is enveloped, the thermal insulation layer 3 being coated on outside Loose tube, it is distributed in the conductor layer 4 outside thermal insulation layer, it is positioned at the insulating barrier 5 outside conductor layer, it is positioned at the screen layer 6 outside insulating barrier, it is coated on the first protective layer 7 outside screen layer, extrusion molding is coated on the inner sheath 8 outside the first protective layer, it is positioned at the first armor outside inner sheath, the second protective layer 10 being coated on outside the first armor, it is positioned at the second armor outside the second protective layer, extrusion molding is coated on the 3rd protective layer 12 outside the second armor, extrusion molding is coated on the outer jacket 13 outside the 3rd protective layer;First armor is formed away from one-way spiral is stranded with first segment around inner sheath by many first reinforcing elements 9;Second armor is formed away from one-way spiral is stranded with second section by many second reinforcing element 11 contour the second protective layers;First segment away from second section away from around to contrary;Second section away from be first segment away from 3~5 times;First segment is away from inner sheath external diameter=(3~6): 1;1.002~1.018 times of a length of Loose tube length of described optical fiber.
In second embodiment of the present invention, laying down on sea bottom optoelectronic composite cable, it is characterized in that it comprises multifiber 1, the Loose tube 2 that optical fiber is enveloped, the thermal insulation layer 3 being coated on outside Loose tube, it is distributed in the conductor layer 4 outside thermal insulation layer, it is positioned at the insulating barrier 5 outside conductor layer, it is positioned at the screen layer 6 outside insulating barrier, it is coated on the first protective layer 7 outside screen layer, extrusion molding is coated on the inner sheath 8 outside the first protective layer, it is positioned at the first armor outside inner sheath, the second protective layer 10 being coated on outside the first armor, it is positioned at the second armor outside the second protective layer, extrusion molding is coated on the 3rd protective layer 12 outside the second armor, extrusion molding is coated on the outer jacket 13 outside the 3rd protective layer;First armor is formed away from one-way spiral is stranded with first segment around inner sheath by many first reinforcing elements 9, and the first bed course 92 outside the first reinforcing element is coated on first kind reinforcement by first kind reinforcement 91 and extrusion molding is constituted;Second armor is formed away from one-way spiral is stranded with second section by many second reinforcing element 11 contour the second protective layers, and the second bed course 112 outside the second reinforcing element is coated on Equations of The Second Kind reinforcement by Equations of The Second Kind reinforcement 111 and extrusion molding is constituted;First segment away from second section away from around to contrary;Second section away from be first segment away from 3~5 times;First segment is away from inner sheath external diameter=(3~6): 1;1.002~1.018 times of a length of Loose tube length of described optical fiber.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that described 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 above, it is characterised in that the material of described Loose tube is polybutylene terephthalate (PBT) or modified polypropene.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of described thermal insulation layer is glass fibre or asbestos or rock wool or Muscovitum.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that described conductor layer is knitted to form after being closed by many conductor skein silks.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of described insulating barrier is high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene or low smoke and zero halogen polyethylene or polrvinyl chloride.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that described screen layer is steel band or copper strips, is to be coated on outside insulating barrier in the way of longitudinally cladding or helical coated.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of described 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 described inner sheath is high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene or low smoke and zero halogen polyethylene or polrvinyl chloride.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of described second protective layer is high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene or low smoke and zero halogen polyethylene or polrvinyl chloride or waterstop or non-woven fabrics.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of described 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 described outer jacket is high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of described first kind reinforcement 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 described Equations of The Second Kind reinforcement 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 described first bed course is high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene or polypropylene.
Laying down on sea bottom optoelectronic composite cable described above, it is characterised in that the material of described second bed course is high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene or polypropylene.
Therefore, the present invention has a following main beneficial effect: can transmit optical signal and can transmit again electric power, and more can counter-bending, anti-torsion, more compact structure, the life-span is longer, external diameter is less, cost is lower, cost of transportation is more saved.
Accompanying drawing explanation
Fig. 1 is the perspective view after one section of stripping of embodiment 1 of the present invention.
Fig. 2 is the cross-sectional structure schematic diagram after Fig. 1 amplifies.
Fig. 3 is the perspective view after one section of stripping of embodiment 2 of the present invention.
Fig. 4 is the cross-sectional structure schematic diagram after Fig. 3 amplifies.
Detailed description of the invention
Embodiment 1
Ask for an interview Fig. 1 and Fig. 2, laying down on sea bottom optoelectronic composite cable, it is characterized in that it comprises 12 optical fiber 1, the Loose tube 2 that optical fiber is enveloped, the thermal insulation layer 3 being coated on outside Loose tube, it is distributed in the conductor layer 4 outside thermal insulation layer, it is positioned at the insulating barrier 5 outside conductor layer, it is positioned at the screen layer 6 outside insulating barrier, it is coated on the first protective layer 7 outside screen layer, extrusion molding is coated on the inner sheath 8 outside the first protective layer, it is positioned at the first armor outside inner sheath, the second protective layer 10 being coated on outside the first armor, it is positioned at the second armor outside the second protective layer, extrusion molding is coated on the 3rd protective layer 12 outside the second armor, extrusion molding is coated on the outer jacket 13 outside the 3rd protective layer;First armor is formed away from one-way spiral is stranded with first segment around inner sheath by 20 first reinforcing elements 9;Second armor is formed away from one-way spiral is stranded with second section by 30 second reinforcing element 11 contour the second protective layers;First segment away from second section away from around to contrary;Second section away from be first segment away from 3~5 times;First segment is away from inner sheath external diameter=(3~6): 1;The material of described first reinforcing element is steel wire or B alloy wire;The material of described second reinforcing element is steel wire or B alloy wire;1.002~1.018 times of a length of Loose tube length of described optical fiber.
In this embodiment, optical fiber can be also other many;First reinforcing element can be also other many;Second reinforcing element can be also other many;The pulling force born required for first reinforcing element, the second reinforcing element radical and diameter and optical cable is relevant, can be designed as required;Reach to meet extension force requirements, external diameter value requirement can be minimized again, and enable optical cable to bear enough resistance to compressions and anti-impact force.
Embodiment 2
Ask for an interview Fig. 3 and Fig. 4, laying down on sea bottom optoelectronic composite cable, it is characterized in that it comprises 12 optical fiber 1, the Loose tube 2 that optical fiber is enveloped, the thermal insulation layer 3 being coated on outside Loose tube, it is distributed in the conductor layer 4 outside thermal insulation layer, it is positioned at the insulating barrier 5 outside conductor layer, it is positioned at the screen layer 6 outside insulating barrier, it is coated on the first protective layer 7 outside screen layer, extrusion molding is coated on the inner sheath 8 outside the first protective layer, it is positioned at the first armor outside inner sheath, the second protective layer 10 being coated on outside the first armor, it is positioned at the second armor outside the second protective layer, extrusion molding is coated on the 3rd protective layer 12 outside the second armor, extrusion molding is coated on the outer jacket 13 outside the 3rd protective layer;First armor is formed away from one-way spiral is stranded with first segment around inner sheath by 20 first reinforcing elements 9, and the first bed course 92 outside the first reinforcing element is coated on first kind reinforcement by first kind reinforcement 91 and extrusion molding is constituted;Second armor is formed away from one-way spiral is stranded with second section by 30 second reinforcing element 11 contour the second protective layers, and the second bed course 112 outside the second reinforcing element is coated on Equations of The Second Kind reinforcement by Equations of The Second Kind reinforcement 111 and extrusion molding is constituted;First segment away from second section away from around to contrary;Second section away from be first segment away from 3~5 times;First segment is away from inner sheath external diameter=(3~6): 1;The material of described first kind reinforcement is steel wire or fiberglass pole or aramid yarn;The material of Equations of The Second Kind reinforcement is steel wire or fiberglass pole or aramid yarn;The material of the first bed course is high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene or polypropylene;The material of the second bed course is high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene or polypropylene;1.002~1.018 times of a length of Loose tube length of described optical fiber.
In this embodiment, optical fiber can be also other many;First reinforcing element can be also other many;Second reinforcing element can be also other many;The pulling force born required for first reinforcing element, the second reinforcing element radical and diameter and optical cable is relevant, can be designed as required;Reach to meet extension force requirements, external diameter value requirement can be minimized again, and enable optical cable to bear enough resistance to compressions and anti-impact force;First kind reinforcement, Equations of The Second Kind reinforcement in first reinforcing element can be designed and size Selection as required, the most flexible;Additionally, the mode in the present embodiment, when the first/bis-class reinforcement is steel wire, owing to outside has the first/bis-bed course, therefore, effectively completely cut off moisture content so that it is be difficult to get rusty, the life-span longer.
Laying down on sea bottom optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that described 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 described Loose tube is 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 described thermal insulation layer is glass fibre or asbestos or rock wool or Muscovitum.
Laying down on sea bottom optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that described conductor layer is knitted to form after being closed by many conductor skein silks.
Laying down on sea bottom optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that the material of described insulating barrier is high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene or low smoke and zero halogen polyethylene or polrvinyl chloride.
Laying down on sea bottom optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that described screen layer is steel band or copper strips, is to be coated on outside insulating barrier in the way of longitudinally cladding or helical coated.
Laying down on sea bottom optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that the material of described first protective layer is 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 described inner sheath is high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene or low smoke and zero halogen polyethylene or polrvinyl chloride.
Laying down on sea bottom optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that the material of described second protective layer is high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene or low smoke and zero halogen polyethylene or polrvinyl 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 material of described 3rd protective layer is 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 described outer jacket is high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene 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 so that it is for multiple fan Ring-cylindrical, between adjacent fan Ring-cylindrical, insulator is set, all fan Ring-cylindrical, insulator form an i.e. conductor layer of complete cylinder circular layer, and are positioned at outside thermal insulation layer, so can be in the way of realizing 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 by the following method step be fabricated by:
The first step: manufacture the step of Loose tube, it comprises: the fiber reel of good color is wound on fiber reel by (A1), is then arranged on by fiber reel on the optical fiber paying out reel of secondary coated production line;Repeated multiple times, until taking required multifiber;(A2) polybutylene terephthalate (PBT) is put into secondary coated extruding machine and carry out extrusion molding;(A3) all optical fiber that (A1) prepares are drawn and pass core rod and the head of secondary coated extruding machine, and make secondary coated extruding machine extrusion molding, the plastics drawing secondary coated extruder head extrusion together and the multifiber passed, enter hot water storgae and be cooled into initial Loose tube, initial Loose tube is discontiguous with hot water storgae edge, having hot water in described hot water storgae, the initial Loose tube in hot water storgae is totally immersed in the hot water, and the temperature of hot water is 45 ± 10 DEG C;(A4) continue to draw initial Loose tube continuously, then initial Loose tube was drawn the first traction wheel around 2~4 circles on first traction wheel of a diameter of 800mm~1200mm and forms middle Loose tube, and often do not intersected between circle or overlapping;Diametric(al) along the first traction wheel, first traction wheel has 1/4~1/3 to be immersed in bosh, and in the middle of being formed before Loose tube, initial Loose tube is discontiguous with the edge of bosh, having cooling water in described bosh, the temperature of cooling water is 15 ± 5 DEG C;(A5) in the middle of traction, Loose tube makes it through the air cooling of 30~150 meters, then the compressed air that middle Loose tube surface pressure is 0.1~0.3bar is dried up, is wound on take-up reel formation finished product Loose tube;1.002~1.018 times of a length of Loose tube length of described optical fiber;
Second step: manufacture thermal insulation layer and the step of conductor layer: the finished product Loose tube that the first step is formed by (B1) is released, and take insulating layer material and form thermal insulation layer by extruding machine in Loose tube outer extrusion molding cladding, or take glass fiber tape or asbestos ribbon or rock wool belt or Muscovitum banding heat-barrier material spiral winding wraps in and forms thermal insulation layer outside Loose tube;(B2) take the many mutual stranded formation conductor bars of flexible conductor silk, hand over many conductor bar spirals to be stranded in outside thermal insulation layer formation conductor layer;
3rd step: manufacture the step of insulating barrier: take high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene or low smoke and zero halogen polyethylene or polrvinyl chloride, and be coated on by its extrusion molding outside the conductor layer that second step is formed, form insulating barrier;
4th step: manufacture the step of screen layer: take steel band or copper strips and be coated on outside the insulating barrier that the 3rd step is formed in the way of longitudinally cladding or helical coated, form screen layer;
5th step: manufacture the step of the first protective layer: take waterstop or non-woven fabrics or polyester belt and be coated on outside the screen layer that the 4th step is formed in the way of longitudinally cladding or helical coated, form the first protective layer;
6th step: manufacture the step of inner sheath: take high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene or low smoke and zero halogen polyethylene or polrvinyl chloride, is coated on its extrusion molding outside the first protective layer that the 5th step is formed, forms inner sheath;
7th step: manufacture the step of the first armor: taking inner sheath that many first reinforcing elements are formed around the 6th step with first segment is steel wire or B alloy wire away from one-way spiral stranded formation the first armor, the material of described first reinforcing element;Or the first bed course outside described first reinforcing element is coated on first kind reinforcement by first kind reinforcement and extrusion molding is constituted, the material of first kind reinforcement is steel wire or fiberglass pole or aramid yarn;The material of the first bed course is high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene or polypropylene;First segment is away from inner sheath external diameter=(3~6): 1;
8th step: manufacture the step of the second protective layer: take high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene or low smoke and zero halogen polyethylene or polrvinyl chloride; its extrusion molding is coated on outside the first armor that the 7th step is formed, forms the second protective layer;Or take waterstop or non-woven fabrics to be coated on outside the first armor that the 7th step is formed in the way of longitudinally cladding or helical coated, form the second protective layer;
9th step: manufacture the step of the second armor: taking the second protective layer that many second reinforcing elements are formed around the 8th step with second section is steel wire or B alloy wire away from one-way spiral stranded formation the second armor, the material of described second reinforcing element;Or the second bed course outside described second reinforcing element is coated on Equations of The Second Kind reinforcement by Equations of The Second Kind reinforcement and extrusion molding is constituted, the material of Equations of The Second Kind reinforcement is steel wire or fiberglass pole or aramid yarn;The material of the second bed course is high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene or polypropylene;Second section away from first segment away from around to contrary;Second section away from be first segment away from 3~5 times;
Tenth step: manufacture the step of the 3rd protective layer: take waterstop or non-woven fabrics or polyester belt and be coated on outside the second armor that the 9th step is formed in the way of longitudinally cladding or helical coated, form the 3rd protective layer;
11st step: manufacture the step of outer jacket: take high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene, is coated on its extrusion molding outside the 3rd protective layer that the tenth step is formed, forms outer jacket;Complete the manufacture of laying down on sea bottom optoelectronic composite cable.
The manufacturing process of above-mentioned Loose tube, it is ensured that 1.002~1.018 times of a length of Loose tube length of optical fiber;The optical property making optical fiber is protected, and temperature adaptation is wider, to+80 degrees Celsius, mainly internal temperature-10 can guarantee that optical fiber attenuation change absolute value is 0.03dB/km and following, certainly, and also can factice for filling in Loose tube gap.
The grasp simple, easy of the manufacture method of laying down on sea bottom optoelectronic composite cable of the present invention, manufactured goods rate height.
In the present invention due to optical fiber be positioned at optical cable central authorities, and conductive layer with annular distribution outside thermal insulation layer, therefore, more compact structure, external diameter are less, cost is lower.
In the present invention, gap is less for prior art, therefore more compact structure, the resistance to torsion of optical cable, the more excellent performance of bend resistance.
In the present invention, can be with factice for filling in the gap in Loose tube, to stop hydrion and hydroxide ion for the aging effects of optical fiber.
Thermal insulation layer in the present invention can completely cut off the conductor temp.-elevating impact on optical fiber effectively, makes optical signal transmission more stable, more reliable.
The present invention has a following main beneficial effect: more can counter-bending, anti-torsion, more compact structure, the life-span is longer, external diameter is less, 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 the design of the present invention can be implemented to use by other various forms, and they also fall within protection scope of the present invention.

Claims (1)

1. the method manufacturing laying down on sea bottom optoelectronic composite cable, it is characterised in that it comprises following manufacturing step:
The first step: manufacture the step of Loose tube, it comprises: the fiber reel of good color is wound on fiber reel by (A1), is then arranged on by fiber reel on the optical fiber paying out reel of secondary coated production line;Repeated multiple times, until taking required multifiber;(A2) polybutylene terephthalate (PBT) is put into secondary coated extruding machine and carry out extrusion molding;(A3) all optical fiber that (A1) prepares are drawn and pass core rod and the head of secondary coated extruding machine, and make secondary coated extruding machine extrusion molding, the plastics drawing secondary coated extruder head extrusion together and the multifiber passed, enter hot water storgae and be cooled into initial Loose tube, initial Loose tube is discontiguous with hot water storgae edge, having hot water in described hot water storgae, the initial Loose tube in hot water storgae is totally immersed in the hot water, and the temperature of hot water is 45 ± 10 DEG C;(A4) continue to draw initial Loose tube continuously, then initial Loose tube was drawn the first traction wheel around 2~4 circles on first traction wheel of a diameter of 800mm~1200mm and forms middle Loose tube, and often do not intersected between circle or overlapping;Diametric(al) along the first traction wheel, first traction wheel has 1/4~1/3 to be immersed in bosh, and in the middle of being formed before Loose tube, initial Loose tube is discontiguous with the edge of bosh, having cooling water in described bosh, the temperature of cooling water is 15 ± 5 DEG C;(A5) in the middle of traction, Loose tube makes it through the air cooling of 30~150 meters, then the compressed air that middle Loose tube surface pressure is 0.1~0.3bar is dried up, is wound on take-up reel formation finished product Loose tube;1.002~1.018 times of a length of Loose tube length of described optical fiber;
Second step: manufacture thermal insulation layer and the step of conductor layer: the finished product Loose tube releasing that the first step is formed by (B1), and take glass fiber tape or asbestos ribbon or rock wool belt or Muscovitum banding heat-barrier material spiral winding wraps in and forms thermal insulation layer outside Loose tube;(B2) take the many mutual stranded formation conductor bars of flexible conductor silk, many conductor bar spirals are stranded in outside thermal insulation layer formation conductor layer;
3rd step: manufacture the step of insulating barrier: take high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene or low smoke and zero halogen polyethylene or polrvinyl chloride, and be coated on by its extrusion molding outside the conductor layer that second step is formed, form insulating barrier;
4th step: manufacture the step of screen layer: take steel band or copper strips and be coated on outside the insulating barrier that the 3rd step is formed in the way of longitudinally cladding or helical coated, form screen layer;
5th step: manufacture the step of the first protective layer: take waterstop or non-woven fabrics or polyester belt and be coated on outside the screen layer that the 4th step is formed in the way of longitudinally cladding or helical coated, form the first protective layer;
6th step: manufacture the step of inner sheath: take high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene or low smoke and zero halogen polyethylene or polrvinyl chloride, is coated on its extrusion molding outside the first protective layer that the 5th step is formed, forms inner sheath;
7th step: manufacture the step of the first armor: taking inner sheath that many first reinforcing elements are formed around the 6th step with first segment is steel wire or B alloy wire away from one-way spiral stranded formation the first armor, the material of described first reinforcing element;First segment is away from inner sheath external diameter=(3~6): 1;
8th step: manufacture the step of the second protective layer: take high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene or low smoke and zero halogen polyethylene or polrvinyl chloride; its extrusion molding is coated on outside the first armor that the 7th step is formed, forms the second protective layer;Or take waterstop or non-woven fabrics to be coated on outside the first armor that the 7th step is formed in the way of longitudinally cladding or helical coated, form the second protective layer;
9th step: manufacture the step of the second armor: taking the second protective layer that many second reinforcing elements are formed around the 8th step with second section is steel wire or B alloy wire away from one-way spiral stranded formation the second armor, the material of described second reinforcing element;Second section away from first segment away from around to contrary;Second section away from be first segment away from 3~5 times;
Tenth step: manufacture the step of the 3rd protective layer: take waterstop or non-woven fabrics or polyester belt and be coated on outside the second armor that the 9th step is formed in the way of longitudinally cladding or helical coated, form the 3rd protective layer;
11st step: manufacture the step of outer jacket: take high density polyethylene (HDPE) or medium density polyethylene or Low Density Polyethylene or crosslinked polyethylene, is coated on its extrusion molding outside the 3rd protective layer that the tenth step is formed, forms outer jacket;Complete the manufacture of laying down on sea bottom optoelectronic composite cable.
CN201410467645.6A 2014-09-15 2014-09-15 The manufacture method of laying down on sea bottom optoelectronic composite cable Active CN104332225B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201610903681.1A 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 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
CN201410467645.6A CN104332225B (en) 2014-09-15 The manufacture method of laying down on sea bottom optoelectronic composite cable
CN201610903643.6A 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

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CN201410467645.6A CN104332225B (en) 2014-09-15 The manufacture method of laying down on sea bottom optoelectronic composite cable

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CN201610903681.1A Division 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 Division 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
CN201610903643.6A Division 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

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CN104332225A CN104332225A (en) 2015-02-04
CN104332225B true CN104332225B (en) 2017-01-04

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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
CN103203854A (en) * 2013-03-18 2013-07-17 江阴爱科森通信材料有限公司 Secondary plastic coating technique by utilizing modified PP (polypropylene) material

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* Cited by examiner, † Cited by third party
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
CN103203854A (en) * 2013-03-18 2013-07-17 江阴爱科森通信材料有限公司 Secondary plastic coating technique by utilizing modified PP (polypropylene) material

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