CN112750557A - Photoelectric composite trailing cable and manufacturing method thereof - Google Patents

Photoelectric composite trailing cable and manufacturing method thereof Download PDF

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Publication number
CN112750557A
CN112750557A CN202011581052.4A CN202011581052A CN112750557A CN 112750557 A CN112750557 A CN 112750557A CN 202011581052 A CN202011581052 A CN 202011581052A CN 112750557 A CN112750557 A CN 112750557A
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China
Prior art keywords
layer
core
extruder
polyurethane
cable
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CN202011581052.4A
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Chinese (zh)
Inventor
姜绪宏
计克云
何元元
吴浩
许峰
张少东
梁丽
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Anhui Hongyuan Special Cable Group Co ltd
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Anhui Hongyuan Special Cable Group Co ltd
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Priority to CN202011581052.4A priority Critical patent/CN112750557A/en
Publication of CN112750557A publication Critical patent/CN112750557A/en
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    • 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
    • H01B7/02—Disposition of insulation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4415—Cables for special applications
    • G02B6/4416—Heterogeneous cables
    • G02B6/4417—High voltage aspects, e.g. in cladding
    • G02B6/442—Insulators
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4415—Cables for special applications
    • G02B6/4427—Pressure resistant cables, e.g. undersea cables
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/443—Protective covering
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4479—Manufacturing methods of optical cables
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4479—Manufacturing methods of optical cables
    • G02B6/4486—Protective covering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/22—Cables including at least one electrical conductor together with optical fibres
    • 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
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • 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
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • H01B7/045—Flexible cables, conductors, or cords, e.g. trailing cables attached to marine objects, e.g. buoys, diving equipment, aquatic probes, marine towline
    • 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
    • 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
    • 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
    • H01B7/1855—Sheaths comprising helical wrapped non-metallic layers
    • 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
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • 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
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/2806—Protection against damage caused by corrosion
    • 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
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • 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
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Ocean & Marine Engineering (AREA)
  • Communication Cables (AREA)

Abstract

The invention discloses a photoelectric composite trailing cable and a manufacturing method thereof, belonging to the technical field of photoelectric composite trailing cables and comprising a polyurethane outer sheath, wherein a double-layer aramid fiber winding tensile layer is arranged on the inner side of the polyurethane outer sheath along the axial direction of the polyurethane outer sheath, a metal shielding layer is laid on the inner wall of the double-layer aramid fiber winding tensile layer, insulating wire conductors and drainage wires are arranged on the inner side of the double-layer aramid fiber winding tensile layer at equal intervals, an optical fiber unit group is arranged in the middle of the inner side of the double-layer aramid fiber winding tensile layer, and the metal shielding layer is also laid on the outer side of the optical fiber unit group.

Description

Photoelectric composite trailing cable and manufacturing method thereof
Technical Field
The invention relates to a trailing cable, in particular to a photoelectric composite trailing cable, and also relates to a trailing cable manufacturing method, in particular to a photoelectric composite trailing cable manufacturing method, and belongs to the technical field of photoelectric composite trailing cables.
Background
In modern times, ocean exploration becomes a worldwide popular technology, and for this reason, multidisciplinary ocean exploration systems and exploration technologies, such as a multi-beam depth sounding full coverage system, a side-scan sonar system, a shallow stratum profile exploration system, a high-resolution seismic exploration system, a towed multi-parameter exploration system, an underwater positioning and sensing technology, an acousto-optic-electrical telemetry technology, a broadband data transmission technology, a controllable source electromagnetic exploration technology, a seabed direct-viewing type sampling and digging technology, an in-situ testing and field analysis technology and the like, are developed, and are integrated to form a high-resolution and high-accuracy stereo exploration technology.
Therefore, the microgravity photoelectric composite trailing cable has wide market prospect no matter in military equipment or ocean engineering, the product coverage and the industry competitiveness of companies can be improved by developing the product, and the problems of the photoelectric composite trailing cable in the prior art at home and abroad are as follows:
1. the problems that the breaking tension of the photoelectric composite trailing cable in the prior art is insufficient when the cable is used and the electrical performance under the working tension is unstable are solved;
2. in addition, the photoelectric composite trailing cable in the prior art also has the problems of poor bending property, corrosion resistance, abrasion resistance and poor repeated retraction capability;
3. the problem that cables of the photoelectric composite trailing cable in the prior art are easy to wind and influence each other when the cable is used for a long time is solved;
in order to solve the above problems, the present invention provides a composite photovoltaic trailing cable and a method for manufacturing the same to optimize the above problems.
Disclosure of Invention
The invention mainly aims to provide a photoelectric composite trailing cable and a manufacturing method thereof, wherein the photoelectric composite trailing cable has excellent electrical properties: the electric safety of the cable is fully considered in the design process, the cross-linked polyethylene with excellent electric performance is adopted as the strong current core wire insulation, and the excellent process structure design enables the cable to meet the strong current safety of 500V voltage in long-term use.
Good seawater corrosion resistance and wear resistance: the watertight trailing cable sheath is made of polyurethane material with low friction coefficient, and the material has excellent seawater corrosion resistance, excellent wear resistance, and better salt mist resistance and mildew resistance.
Good water tightness: the microgravity photoelectric composite trailing cable is characterized in that water-blocking glue is coated on the conductor stranding layer, the insulation wire core group stranding layer, the shielding wire core group weaving layer, the cable core stranding layer and the outer weaving tensile layer, so that the cable has good water-tight performance and can bear the water pressure of 4.5MPa in the longitudinal direction and the transverse direction.
Excellent tensile properties: microgravity photoelectricity composite trailing cable adopts winding aramid fiber as tensile enhancement layer, is a novel high-tech synthetic fiber, has advantages such as superhigh strength, high-modulus and high temperature resistant, acid and alkali resistant, light in weight, insulating, ageing resistance, adopts aramid fiber as the effectual microgravity photoelectricity composite trailing cable tensile resistance that has improved of enhancement layer, has improved anti breaking force, and reduces the whole quality of cable, has ensured to continue to keep normal power transmission and signal transmission's stability under the bearing state.
Good resistance to bending: the microgravity photoelectric composite trailing cable adopts excellent process design and advanced manufacturing means, adopts polyurethane as a sheath on materials, adopts aramid fiber winding as a tensile layer, ensures that the cable has excellent dynamic bending resistance, and can be repeatedly wound and unwound for use.
The purpose of the invention can be achieved by adopting the following technical scheme:
the utility model provides a photoelectric composite trailing cable, includes the polyurethane oversheath, the inboard of polyurethane oversheath is followed be equipped with double-deck aramid fiber winding tensile layer on the polyurethane oversheath axial, the metal shielding layer has been laid to the inner wall on double-deck aramid fiber winding tensile layer, the inboard equidistant insulated wire conductor and the drainage wire that is equipped with on double-deck aramid fiber winding tensile layer, double-deck aramid fiber winding tensile layer inboard middle part department is equipped with the optic fibre unit group, also laid in the optic fibre unit group outside the metal shielding layer.
Preferably, the insulated wire conductor is formed by 19 strands of bundled conductors, the insulated wire conductor is prepared by adopting a plurality of strands of tinned annealed copper wire stranded conductors, the center of the optical fiber unit group adopts 50/125 mu m multimode optical fibers, the optical fibers are wrapped by seamless stainless steel tubes, nine insulated core wires are arranged on the inner wall of the optical fiber unit group at equal angles, and the optical fiber unit group and the nine insulated core wires form a cable core together.
Preferably, the metal shielding layer adopts tinned copper wire braided shielding and aluminum foil mylar lapping, the drainage wire is formed by 12 tinned copper stranded wires, the thickness of the crosslinked polyethylene insulating layer is 0.4-0.6mm, and the thickness of the polyurethane outer sheath is 2.0-3.0 mm.
A manufacturing method of a photoelectric composite trailing cable comprises the following steps:
step 1: stranding the insulated wire conductor according to a stranding mode of 1+6+12 to obtain a wire core conductor;
step 2: drying the crosslinked polyethylene insulating layer at 35-45 ℃ for 2h, and injecting the dried crosslinked polyethylene insulating layer into a plastic single-screw extruder to complete extrusion coating of the crosslinked polyethylene insulating layer, so as to obtain a strong electric insulation wire core;
and step 3: forming a cable core by the polyurethane outer sheath and 9 insulating core wires, wrapping the outer side of the cable core by a polyester tape, filling gaps among the core wires by water-blocking glue during cabling and stranding, wherein the stranding direction is the left direction, and the stranding pitch is 100 +/-10 mm;
and 4, step 4: the cable core is externally braided and shielded by adopting a tinned copper wire, the braiding density is 85 percent, aluminum foil mylar is wrapped outside the braided shield, and the wrapping and covering rate is 50 percent;
and 5: the cable core and 12 insulation core wires are integrated into a cable, 12 19/0.15mm tinned copper stranded wires are added during cabling to form a drainage wire, a water-blocking glue is used for filling gaps among the core wires during cabling and stranding, the stranding direction is the right direction, and the stranding pitch is 160 +/-20 mm;
step 6: wrapping aluminum foil mylar outside the cable core, wherein the wrapping direction is in the left direction, the lapping rate is 40% -50%, two layers of aramid fibers are wound outside the cabled aluminum foil mylar, 72 aramid fibers are wound on the inner layer, the winding pitch is 400 +/-20 mm, and 72 aramid fibers are wound on the outer layer, and the winding pitch is 450 +/-20 mm;
and 7: and (3) drying the polyurethane sheath material at 45-55 ℃ for 2h, injecting the polyurethane sheath material into a plastic single-screw extruder, and extruding and coating the polyurethane outer sheath outside the water-blocking tape.
Preferably, the strong electric insulation wire core prepared in the step 2 has an insulation thickness of 0.4-0.6 mm; an extrusion type mould is adopted in a plastic single-screw extruder, the temperature of a feed inlet of the extruder is set to be 130-170 ℃, the temperature of a handpiece of the extruder is set to be 200-240 ℃, the temperature of a screw heating area between the feed inlet of the extruder and the handpiece of the extruder is set to be in a step-type rise, and a test voltage of 4.0kV is set for an outgoing line of an insulated wire core from a cooling groove to carry out an online spark test on an insulated layer on the insulated wire core.
Preferably, the thickness of the polyurethane outer sheath in the step 7 is 2.0-3.0 mm; an extrusion die is adopted in the plastic single-screw extruder, the temperature of an extruder feed inlet is set to be 130-185 ℃, the temperature of an extruder head is set to be 165-185 ℃, and the temperature is set to be increased in a stepped mode in a screw heating zone between the extruder feed inlet and the extruder head.
The invention has the beneficial technical effects that:
the invention provides a photoelectric composite trailing cable and a manufacturing method thereof,
1. excellent electrical properties: the electric safety of the cable is fully considered in the design process, the cross-linked polyethylene with excellent electric performance is adopted as the strong current core wire insulation, and the excellent process structure design enables the cable to meet the strong current safety of 500V voltage in long-term use.
2. Good seawater corrosion resistance and wear resistance: the watertight trailing cable sheath is made of polyurethane material with low friction coefficient, and the material has excellent seawater corrosion resistance, excellent wear resistance, and better salt mist resistance and mildew resistance.
3. Good water tightness: the microgravity photoelectric composite trailing cable is characterized in that water-blocking glue is coated on the conductor stranding layer, the insulation wire core group stranding layer, the shielding wire core group weaving layer, the cable core stranding layer and the outer weaving tensile layer, so that the cable has good water-tight performance and can bear the water pressure of 4.5MPa in the longitudinal direction and the transverse direction.
4. Excellent tensile properties: microgravity photoelectricity composite trailing cable adopts winding aramid fiber as tensile enhancement layer, is a novel high-tech synthetic fiber, has advantages such as superhigh strength, high-modulus and high temperature resistant, acid and alkali resistant, light in weight, insulating, ageing resistance, adopts aramid fiber as the effectual microgravity photoelectricity composite trailing cable tensile resistance that has improved of enhancement layer, has improved anti breaking force, and reduces the whole quality of cable, has ensured to continue to keep normal power transmission and signal transmission's stability under the bearing state.
5. Good resistance to bending: the microgravity photoelectric composite trailing cable adopts excellent process design and advanced manufacturing means, adopts polyurethane as a sheath on materials, adopts aramid fiber winding as a tensile layer, ensures that the cable has excellent dynamic bending resistance, and can be repeatedly wound and unwound for use.
Drawings
Fig. 1 is an overall main side view of a device according to a preferred embodiment of an opto-electric composite trailing cable and a method for manufacturing the same according to the present invention.
In the figure: the cable comprises 1-an insulated wire conductor, 2-a cross-linked polyethylene insulating layer, 3-an optical fiber unit group, 4-a metal shielding layer, 5-a double-layer aramid fiber winding tensile layer, 6-a drainage wire and 7-a polyurethane outer sheath.
Detailed Description
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1, the photoelectric composite trailing cable that this embodiment provided, including polyurethane oversheath 7, be equipped with double-deck aramid fiber winding tensile layer 5 on polyurethane oversheath 7 axial is followed to the inboard of polyurethane oversheath 7, metal shielding layer 4 has been laid to double-deck aramid fiber winding tensile layer 5's inner wall, the inboard equidistant insulated wire conductor 1 and drainage wire 6 that is equipped with of double-deck aramid fiber winding tensile layer 5, 5 inboard middle parts departments of double-deck aramid fiber winding tensile layer are equipped with optical fiber unit group 3, metal shielding layer 4 has also been laid in the 3 outsides of optical fiber unit group.
Excellent electrical properties: electric safety has fully been considered in the design process to the cable, has adopted the cross-linked polyethylene that the electrical property is superior as the forceful electric power heart yearn is insulating, good technology structural design for the cable can satisfy the forceful electric power security that long-term service voltage is 500V, good sea water corrosion resistance, wearability: the watertight towing cable sheath is made of a polyurethane material with a low friction coefficient, and the material has excellent seawater corrosion resistance, excellent wear resistance, better salt mist resistance and mould resistance, and good water tightness: microgravity photoelectricity composite trailing cable is from conductor transposition, the transposition of insulating core group, shielding core group weaving, the cable core transposition, the outer tensile layer of weaving all coating water-blocking glue, makes the cable wholly have good watertight performance, can bear the water pressure of 4.5MPa water pressure of vertical and horizontal water pressure, good tensile resistance: microgravity photoelectricity composite trailing cable adopts winding aramid fiber as tensile enhancement layer, is a novel high-tech synthetic fiber, has the superhigh strength, high modulus and high temperature resistant, acid and alkali resistant, light in weight, insulating, advantage such as ageing resistance, adopt aramid fiber as the effectual microgravity photoelectricity composite trailing cable tensile resistance that has improved of enhancement layer, improved anti breaking force, and reduce the whole quality of cable, ensured to continue to keep normal power transmission and signal transmission's stability under the bearing state, good resistant crooked: the microgravity photoelectric composite trailing cable adopts excellent process design and advanced manufacturing means, adopts polyurethane as a sheath on materials, adopts aramid fiber winding as a tensile layer, ensures that the cable has excellent dynamic bending resistance, and can be repeatedly wound and unwound for use.
In this embodiment, the insulated wire conductor 1 is formed by bundling 19 strands, the insulated wire conductor 1 is made of a plurality of strands of tin-plated annealed copper wire stranded conductors, the center of the optical fiber unit group 3 is formed by 50/125 μm multimode optical fibers, the outer portions of the optical fibers are wrapped by seamless stainless steel tubes, and nine insulated core wires are arranged on the inner wall of the optical fiber unit group 3 at equal angles and form a cable core together with the optical fiber unit group 3.
In this embodiment, the metal shielding layer 4 is formed by braiding tin-plated copper wires for shielding and wrapping with aluminum foil for mylar, the drainage wire 6 is formed by 12 tin-plated copper stranded wires, the thickness of the crosslinked polyethylene insulating layer 2 is 0.4-0.6mm, and the thickness of the polyurethane outer sheath 7 is 2.0-3.0 mm.
A manufacturing method of a photoelectric composite trailing cable comprises the following steps:
step 1: stranding the insulated wire conductor 1 according to a stranding mode of 1+6+12 to obtain a wire core conductor;
step 2: drying the crosslinked polyethylene insulating layer 2 at 35-45 ℃ for 2h, and injecting the dried crosslinked polyethylene insulating layer 2 into a plastic single-screw extruder to complete extrusion coating of the crosslinked polyethylene insulating layer 2, so as to obtain a strong electric insulation wire core;
and step 3: forming a cable core by the polyurethane outer sheath 7 and 9 insulating core wires, wrapping the outer side of the cable core by a polyester tape, filling a gap between the core wires by water-blocking glue during cabling and stranding, wherein the stranding direction is the left direction, and the stranding pitch is 100 +/-10 mm;
and 4, step 4: the cable core is externally braided and shielded by adopting a tinned copper wire, the braiding density is 85 percent, aluminum foil mylar is wrapped outside the braided shield, and the wrapping and covering rate is 50 percent;
and 5: the cable core and 12 insulation core wires are integrated into a cable, 12 19/0.15mm tinned copper stranded wires are added during cabling to form a drainage wire, a water-blocking glue is used for filling gaps among the core wires during cabling and stranding, the stranding direction is the right direction, and the stranding pitch is 160 +/-20 mm;
step 6: wrapping aluminum foil mylar outside the cable core, wherein the wrapping direction is in the left direction, the lapping rate is 40% -50%, two layers of aramid fibers are wound outside the cabled aluminum foil mylar, 72 aramid fibers are wound on the inner layer, the winding pitch is 400 +/-20 mm, and 72 aramid fibers are wound on the outer layer, and the winding pitch is 450 +/-20 mm;
and 7: and (3) drying the polyurethane sheath material at 45-55 ℃ for 2h, injecting the polyurethane sheath material into a plastic single-screw extruder, and extruding the polyurethane outer sheath 7 outside the water-blocking tape.
In this embodiment, the ferroelectric insulation wire core prepared in step 2 has an insulation thickness of 0.4 to 0.6 mm; an extrusion type mould is adopted in a plastic single-screw extruder, the temperature of a feed inlet of the extruder is set to be 130-170 ℃, the temperature of a handpiece of the extruder is set to be 200-240 ℃, the temperature of a screw heating area between the feed inlet of the extruder and the handpiece of the extruder is set to be in a step-type rise, and a test voltage of 4.0kV is set for an outgoing line of the insulated wire core from a cooling groove to carry out an online spark test on the insulated layer on the insulated wire core.
Wherein the thickness of the polyurethane outer sheath 7 in the step 7 is 2.0-3.0 mm; an extrusion die is adopted in the plastic single-screw extruder, the temperature of the feed inlet of the extruder is set to be 130-185 ℃, the temperature of the head of the extruder is set to be 165-185 ℃, and the temperature is set to be increased in a stepped mode in a screw heating zone between the feed inlet of the extruder and the head of the extruder.
The performance indexes of the photoelectric composite trailing cable are listed in Table 1
TABLE 1
Figure 1
Figure BDA0002865957130000091
The above are only further embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and its concept within the scope of the present invention.

Claims (6)

1. The utility model provides a photoelectric composite trailing cable which characterized in that: including polyurethane oversheath (7), the outside of polyurethane oversheath (7) is followed polyurethane oversheath (7), be equipped with double-deck aramid fiber winding tensile layer (5) on polyurethane oversheath (7) axial, metal shielding layer (4) have been laid to the inner wall of double-deck aramid fiber winding tensile layer (5), the inboard equidistant of double-deck aramid fiber winding tensile layer (5) is equipped with insulated wire conductor (1) and drainage wire (6), the inboard middle part department of double-deck aramid fiber winding tensile layer (5) is equipped with optic fibre unit group (3), also laid in the optic fibre unit group (3) outside metal shielding layer (4).
2. The opto-electric composite trailing cable according to claim 2, characterized in that: insulated wire conductor (1) has 19 strands of bunches to constitute, just insulated wire conductor (1) adopts stranded tinned annealed copper wire stranded conductor to prepare and forms, 50/125 mu m multimode optic fibre is adopted at the center of optic fibre unit group (3), and the seamless stainless steel pipe parcel is adopted outward to the optic fibre, the inner wall isogonism of optic fibre unit group (3) be equipped with nine insulating heart yearns and with optic fibre unit group (3) constitute the cable core jointly.
3. The opto-electric composite trailing cable according to claim 2, characterized in that: the metal shielding layer (4) adopts tinned copper wire braided shielding and aluminum foil Mylar wrapping, the drainage wire (6) is formed by 12 tinned copper stranded wires, the thickness of the crosslinked polyethylene insulating layer (2) is 0.4-0.6mm, and the thickness of the polyurethane outer sheath (7) is 2.0-3.0 mm.
4. The method for manufacturing an opto-electric composite trailing cable according to claim 3, wherein: the method comprises the following steps:
step 1: stranding the insulated wire conductor (1) according to a stranding mode of 1+6+12 to obtain a wire core conductor;
step 2: drying the crosslinked polyethylene insulating layer (2) at 35-45 ℃ for 2h, and injecting the dried crosslinked polyethylene insulating layer (2) into a plastic single-screw extruder to complete extrusion coating of the crosslinked polyethylene insulating layer (2) so as to obtain a strong electric insulation wire core;
and step 3: forming a cable core by the polyurethane outer sheath (7) and 9 insulating core wires, wrapping the outer side of the cable core by a polyester tape, filling a gap between the core wires by water-blocking glue during cabling and stranding, wherein the stranding direction is the left direction, and the stranding pitch is 100 +/-10 mm;
and 4, step 4: the cable core is externally braided and shielded by adopting a tinned copper wire, the braiding density is 85 percent, aluminum foil mylar is wrapped outside the braided shield, and the wrapping and covering rate is 50 percent;
and 5: the cable core and 12 insulation core wires are integrated into a cable, 12 19/0.15mm tinned copper stranded wires are added during cabling to form a drainage wire, a water-blocking glue is used for filling gaps among the core wires during cabling and stranding, the stranding direction is the right direction, and the stranding pitch is 160 +/-20 mm;
step 6: wrapping aluminum foil mylar outside the cable core, wherein the wrapping direction is in the left direction, the lapping rate is 40% -50%, two layers of aramid fibers are wound outside the cabled aluminum foil mylar, 72 aramid fibers are wound on the inner layer, the winding pitch is 400 +/-20 mm, and 72 aramid fibers are wound on the outer layer, and the winding pitch is 450 +/-20 mm;
and 7: and (3) drying the polyurethane sheath material at 45-55 ℃ for 2h, injecting the polyurethane sheath material into a plastic single-screw extruder, and extruding and coating the polyurethane outer sheath (7) outside the water-blocking tape.
5. The method for manufacturing the photoelectric composite trailing cable according to claim 4, wherein: wherein the strong electric insulation wire core is prepared in the step 2, and the insulation thickness of the strong electric insulation wire core is 0.4-0.6 mm; an extrusion type mould is adopted in a plastic single-screw extruder, the temperature of a feed inlet of the extruder is set to be 130-170 ℃, the temperature of a handpiece of the extruder is set to be 200-240 ℃, the temperature of a screw heating area between the feed inlet of the extruder and the handpiece of the extruder is set to be in a step-type rise, and a test voltage of 4.0kV is set for an outgoing line of an insulated wire core from a cooling groove to carry out an online spark test on an insulated layer on the insulated wire core.
6. The method for manufacturing the photoelectric composite trailing cable according to claim 5, wherein: wherein the thickness of the polyurethane outer sheath (7) in the step 7 is 2.0-3.0 mm; an extrusion die is adopted in the plastic single-screw extruder, the temperature of an extruder feed inlet is set to be 130-185 ℃, the temperature of an extruder head is set to be 165-185 ℃, and the temperature is set to be increased in a stepped mode in a screw heating zone between the extruder feed inlet and the extruder head.
CN202011581052.4A 2020-12-28 2020-12-28 Photoelectric composite trailing cable and manufacturing method thereof Pending CN112750557A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010271382A (en) * 2009-05-19 2010-12-02 Hitachi Cable Ltd Optical/electric composite cable
CN102637472A (en) * 2012-04-11 2012-08-15 广东日丰电缆股份有限公司 Umbilical cable of underwater robot
CN202855431U (en) * 2012-10-16 2013-04-03 上海电缆研究所 Tension type photoelectric composite cable
CN205247968U (en) * 2015-12-16 2016-05-18 杨佳栋 Surface of water transmission electric power is with dampproofing anticorrosion cable
CN207624404U (en) * 2017-11-24 2018-07-17 江苏维尔兰电缆有限公司 A kind of compound umbilical cable of photoelectricity
CN109493999A (en) * 2018-11-20 2019-03-19 安徽宏源特种电缆股份有限公司 A kind of direction waterproof mooring photoelectric composite cable and production method
CN209103848U (en) * 2018-12-07 2019-07-12 江苏通光海洋光电科技有限公司 A kind of subsea construction umbilical cables

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010271382A (en) * 2009-05-19 2010-12-02 Hitachi Cable Ltd Optical/electric composite cable
CN102637472A (en) * 2012-04-11 2012-08-15 广东日丰电缆股份有限公司 Umbilical cable of underwater robot
CN202855431U (en) * 2012-10-16 2013-04-03 上海电缆研究所 Tension type photoelectric composite cable
CN205247968U (en) * 2015-12-16 2016-05-18 杨佳栋 Surface of water transmission electric power is with dampproofing anticorrosion cable
CN207624404U (en) * 2017-11-24 2018-07-17 江苏维尔兰电缆有限公司 A kind of compound umbilical cable of photoelectricity
CN109493999A (en) * 2018-11-20 2019-03-19 安徽宏源特种电缆股份有限公司 A kind of direction waterproof mooring photoelectric composite cable and production method
CN209103848U (en) * 2018-12-07 2019-07-12 江苏通光海洋光电科技有限公司 A kind of subsea construction umbilical cables

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Application publication date: 20210504