CN111856673A - Novel optical cable for communication between underwater equipment and cabin internal equipment - Google Patents

Novel optical cable for communication between underwater equipment and cabin internal equipment Download PDF

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Publication number
CN111856673A
CN111856673A CN202010840926.7A CN202010840926A CN111856673A CN 111856673 A CN111856673 A CN 111856673A CN 202010840926 A CN202010840926 A CN 202010840926A CN 111856673 A CN111856673 A CN 111856673A
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China
Prior art keywords
equipment
communication
aramid fiber
optical cable
underwater
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Pending
Application number
CN202010840926.7A
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Chinese (zh)
Inventor
薄双商
乐海音
余旭洋
王胜楠
李智临
张小山
钱晓倩
张萍
丁志飞
盛兴
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Hengtong Optic Electric Co Ltd
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Hengtong Optic Electric Co Ltd
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Application filed by Hengtong Optic Electric Co Ltd filed Critical Hengtong Optic Electric Co Ltd
Priority to CN202010840926.7A priority Critical patent/CN111856673A/en
Publication of CN111856673A publication Critical patent/CN111856673A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/443Protective covering
    • G02B6/4432Protective covering with fibre reinforcements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/4436Heat resistant
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/44384Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Communication Cables (AREA)

Abstract

The invention provides a novel optical cable for communication between underwater equipment and equipment in a cabin, which is light in weight, easy to bend, water-resistant, wear-resistant, oil-resistant, flexible at low temperature, good in flame retardant property, and capable of being quickly wired and repeatedly collected and used. Its radial center is from interior and be provided with central reinforcement, pine sleeve pipe, band, inner sheath, aramid fiber weaving layer, oversheath in order outward, central reinforcement is the fire-retardant sheath of an aramid fiber extrusion molding, the interior intracavity of pine sleeve pipe has optic fibre of cloth, pack fine cream in optic fibre and the sheathed tube inner space of pine, the sleeve pipe centers on central reinforcement strands into the circular cable core of equivalent, the band cladding in the equivalent outer loop of cable core, the inner sheath cladding in the outer loop of band, the outer loop ring cloth of inner sheath has one deck aramid fiber weaving layer, the outer loop cladding of aramid fiber weaving layer has the oversheath.

Description

Novel optical cable for communication between underwater equipment and cabin internal equipment
Technical Field
The invention relates to the technical field of optical cable structures, in particular to a novel optical cable for communication between underwater equipment and equipment in a cabin.
Background
In the structure of the existing optical cable for communication between the underwater equipment and the equipment in the cabin, optical fibers are positioned in a loose tube with fiber paste; the center of the cable core is a steel wire (possibly added with a PE cushion layer), the periphery of the steel wire is formed by twisting a loose sleeve and a filling rope, and a gap between the inside and the outside of the cable core is filled with cable paste; the cable core is externally provided with a steel belt or an aluminum belt polyethylene sheath. And then, after one or more single thin round steel wires are armored, finally, the polyethylene outer protective layer is extruded to form a cable. Because the optical cable is armored by steel wires, the central reinforcing part is made of steel wire materials, the weight is heavy, and the bending rigidity is high; and the cushion layer, the inner sheath and the outer sheath of the traditional optical cable central reinforcement are made of polyethylene materials, so that the effects of wear resistance, oil resistance, low-temperature flexibility and flame retardance are not well achieved.
Disclosure of Invention
Aiming at the problems, the invention provides a novel optical cable for communication between underwater equipment and equipment in a cabin, which is light in weight, easy to bend, water-resistant, wear-resistant, oil-resistant, flexible at low temperature, good in flame retardant property, and capable of being quickly wired and repeatedly retracted and used.
Novel optical cable for communication of underwater equipment and cabin internal equipment is characterized in that: its radial center is from interior and be provided with central reinforcement, pine sleeve pipe, band, inner sheath, aramid fiber weaving layer, oversheath in order outward, central reinforcement is the fire-retardant sheath of an aramid fiber extrusion molding, the interior intracavity of pine sleeve pipe has optic fibre of cloth, pack fine cream in optic fibre and the sheathed tube inner space of pine, the sleeve pipe centers on central reinforcement strands into the circular cable core of equivalent, the band cladding in the equivalent outer loop of cable core, the inner sheath cladding in the outer loop of band, the outer loop ring cloth of inner sheath has one deck aramid fiber weaving layer, the outer loop cladding of aramid fiber weaving layer has the oversheath.
It is further characterized in that: the outer ring of the central reinforcing part is also annularly provided with at least one filling rope, and the loose tube and the filling rope are annularly arranged on the outer ring of the central reinforcing part and are twisted to form a circular cable core;
the central reinforcing piece is a central aramid fiber;
a flame-retardant sheath cushion layer is extruded on the periphery of the central aramid fiber of the central reinforcing piece;
the loose tube is made of flame-retardant PBT material;
the number of cores of the optical fibers in the inner cavity of the loose tube is 2-12;
a water blocking compound is filled in the gap in the cable core;
the wrapping tape is specifically a water-blocking tape, and the water-blocking tape is arranged on the equivalent outer annular surface of the cable core in a wrapping mode;
the inner sheath is made of flame-retardant polyurethane material;
the aramid fiber adopts aramid fiber woven reinforced fiber;
the outer sheath is made of flame-retardant polyurethane material.
The application of the optical cable for communication is characterized in that: the underwater equipment and the communication equipment inside the cabin body are in communication connection through the novel underwater equipment and the communication equipment inside the cabin body through optical cables.
After the invention is adopted, the reinforcing piece adopts the aramid fiber, so that the optical cable has better bending performance, and the weight of the optical cable is greatly reduced; the reinforcement cushion layer, the loose tube, the inner sheath and the outer sheath are made of flame-retardant materials, and the thermoplastic polyurethane elastomer flame-retardant sheath is used for the inner sheath and the outer sheath, so that good structural stability and performances of compression resistance, wear resistance, oil resistance, low-temperature flexibility, flame retardance and the like are provided; the cable core is wrapped with the water blocking tape, and compared with a traditional longitudinal wrapping mode, the water blocking effect is better achieved, large-area aramid fiber woven reinforced fibers are adopted outside the inner sheath, and high mechanical strength is provided for the optical cable.
The embodiment of the invention is specially used for the communication of the underwater equipment and the equipment in the cabin body, can be quickly distributed or repeatedly wound and paid off in a complex environment, and has light weight and convenient carrying; tensile strength, compressive strength and high strength-weight ratio; the flexibility is good, and the flexibility is easy; oil resistance, wear resistance and flame retardance; wide application temperature range.
Drawings
FIG. 1 is a cross-sectional structural schematic view of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
outer sheath 110, aramid woven layer 120, inner sheath 130, wrapping tape 140, loose tube 150, central reinforcement 160, central aramid fiber 1, flame-retardant sheath cushion layer 2, optical fiber 170, fiber paste 180 and filling rope 190.
Detailed Description
Novel optical cable for communication of underwater equipment and cabin internal equipment is shown in figure 1: it is radial center from inside to outside set up central reinforcement 160 in order, loose tube 150, band 140, inner sheath 130, aramid fiber weaving layer 120, oversheath 110, central reinforcement 160 is the fire-retardant sheath of an aramid fiber extrusion molding, the distribution has optic fibre 170 in the inner chamber of loose tube 150, pack fine cream 180 in optic fibre 170 and loose tube 150's the inner space, loose tube 150 twists into the equivalent circular shape cable core around central reinforcement 160, band 140 covers in the equivalent outer loop of cable core, inner sheath 130 covers in the outer loop of band 140, the outer loop of inner sheath 130 is encircled and is distributed one deck aramid fiber weaving layer, the outer loop cladding of aramid fiber weaving layer has the oversheath.
At least one filling rope 190 is further annularly distributed on the outer ring of the central reinforcing member 160, and the loose tube 150 and the filling rope 190 are annularly distributed on the outer ring of the central reinforcing member 160 and are twisted to form a circular cable core;
the central reinforcing member 160 is a central aramid fiber 1 which is light and hard, non-conductive and high in mechanical degree;
a flame-retardant sheath cushion layer 2 is extruded on the periphery of the central aramid fiber 1 of the central reinforcing piece 160;
the loose tube 150 is made of flame-retardant PBT material;
the number of cores of the optical fiber 170 in the inner cavity of the loose tube 150 is 2-12;
a water blocking compound is filled in the gap in the cable core;
the wrapping tape 140 is specifically a water-blocking tape, and the water-blocking tape is arranged on the equivalent outer annular surface of the cable core in a wrapping manner;
in the specific embodiment: four loose tubes 150 and two filling ropes 190 are annularly distributed on the outer ring of the central reinforcement 160 and are twisted to form a circular cable core, a flame-retardant polyethylene sheath layer is sleeved outside the central reinforcement 160, the outer diameter of each loose tube 150 is the same as that of the filling rope 190, and the twisting is convenient and reliable; the outer sheath 110 and the inner sheath 130 are made of flame retardant polyurethane, which provides the optical cable with good structural stability and performances of compression resistance, wear resistance, oil resistance, low temperature flexibility, flame retardance and the like; an aramid woven layer 120 is arranged between the outer sheath 110 and the inner sheath 130, the aramid woven layer 120 improves the extremely high mechanical strength of the optical cable, and a wrapping tape 140 is arranged inside the inner sheath 130 and outside the cable core in a wrapping mode, so that a better water blocking effect is achieved; 12 optical fibers 170 are arranged in each loose tube 150, the optical fibers adopt 200um G652D optical fibers, fiber paste is added into the loose tube 150 to block water, the loose tube 150 is made of flame-retardant PBT, the central reinforcing member 160 is aramid, and a flame-retardant polyethylene sheath layer is sleeved outside the central reinforcing member 160.
The application of the optical cable for communication is characterized in that: the underwater equipment and the communication equipment inside the cabin body are in communication connection with the communication equipment inside the cabin body through the novel underwater equipment by using optical cables; the optical cable system for communication between the underwater equipment and the internal equipment of the cabin is mainly used for connecting an optical cable and Internet and is divided into the internal equipment of the cabin and the underwater equipment. The internal equipment of the cabin packs and transmits communication services such as voice, images, data and the like. The underwater equipment is responsible for processing, sending and receiving communication signals. The underwater equipment is divided into a water bottom optical cable, a repeater and a branch unit.
The optical cable for communication between the underwater equipment and the equipment in the cabin provided by the embodiment of the invention has the following technical key points:
a coloring step: aiming at the G652D optical fiber of 200um, a proper coloring mould is adopted to ensure the coloring effect, after coloring is finished, each optical fiber needs to be subjected to attenuation test, and the optical fiber can be put into the next procedure for production after being qualified.
Plastic sheathing: the fiber paste is added into the sleeve to block water. After the sleeve is finished, the wall thickness and the surplus length of the sleeve need to be checked, and the sleeve can be put into the next procedure for production after being qualified.
Cabling procedure: the reinforcing piece adopts an aramid fiber, the aramid fiber is extruded to form the fuel, the cable core is wrapped with the water blocking tape, the effect of strong water blocking is achieved, the water blocking tape adopts 2500dtex water blocking tying yarns, and the winding process is required to be ensured to be neat during cabling.
An inner protection process: before production, the machine head is disassembled, the filter screen is replaced, the screw, the machine chamber, the material separating cone and the flange are cleaned, no magazine is introduced, and the inner protective material is made of flame-retardant polyurethane.
An outer protection process: before production, the machine head is disassembled, the filter screen is replaced, the screw, the machine chamber, the material separating cone and the flange are cleaned, no magazine is introduced, and the outer protective material is made of flame-retardant polyurethane.
According to the optical cable structure for communication between the underwater equipment with the large core number and the equipment in the cabin, provided by the embodiment of the invention, the single-mode or multi-mode optical fiber is sleeved in the sleeve which is made of the flame retardant PBT and filled with the flame retardant fiber paste, the central reinforcing piece of the cable core is aramid fiber serving as a central reinforcing piece, and the aramid fiber is extruded and coated with a layer of flame retardant serving as a cushion layer. The loose tube or the filling rope is twisted into a compact round cable core around the central reinforcement, the cable core is wrapped with a water-blocking tape, the water-blocking tape is fixed by adopting 2500dtex water-blocking binding yarns outside the water-blocking tape, then the extrusion molding flame-retardant polyurethane inner sheath is used for protection, aramid fiber is placed outside the inner sheath for weaving reinforcement, and the extrusion molding flame-retardant polyurethane outer sheath is used for secondary protection.
The embodiment of the invention provides a light, flexible and high-performance optical cable for communication between underwater equipment and equipment in a cabin and application thereof. The embodiment of the invention improves the product performance, saves the cost and improves the production efficiency.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. Novel optical cable for communication of underwater equipment and cabin internal equipment is characterized in that: its radial center is from interior and be provided with central reinforcement, pine sleeve pipe, band, inner sheath, aramid fiber weaving layer, oversheath in order outward, central reinforcement is the fire-retardant sheath of an aramid fiber extrusion molding, the interior intracavity of pine sleeve pipe has optic fibre of cloth, pack fine cream in optic fibre and the sheathed tube inner space of pine, the sleeve pipe centers on central reinforcement strands into the circular cable core of equivalent, the band cladding in the equivalent outer loop of cable core, the inner sheath cladding in the outer loop of band, the outer loop ring cloth of inner sheath has one deck aramid fiber weaving layer, the outer loop cladding of aramid fiber weaving layer has the oversheath.
2. The novel optical cable for communication between underwater equipment and equipment inside a cabin body according to claim 1, wherein: the outer ring of the central reinforcing part is also annularly provided with at least one filling rope, and the loose tube and the filling rope are annularly arranged on the outer ring of the central reinforcing part to form a circular cable core in a twisted mode.
3. The novel optical cable for communication between underwater equipment and equipment inside a cabin body according to claim 1, wherein: the central reinforcing piece is a central aramid fiber.
4. The novel optical cable for communication between underwater equipment and equipment inside a cabin body according to claim 3, wherein: the periphery of the central aramid fiber of the central reinforcing piece is also extruded with a flame-retardant sheath cushion layer.
5. The novel optical cable for communication between underwater equipment and equipment inside a cabin body according to claim 1, wherein: the loose tube is made of flame-retardant PBT material.
6. The novel optical cable for communication between underwater equipment and equipment inside a cabin body according to claim 1, wherein: the number of the cores of the optical fibers in the inner cavity of the loose tube is 2-12.
7. The novel optical cable for communication between underwater equipment and equipment inside a cabin body according to claim 1, wherein: and a water blocking compound is filled in the gap in the cable core.
8. The novel optical cable for communication between underwater equipment and equipment inside a cabin body according to claim 1, wherein: the wrapping tape is specifically a water-blocking tape, and the water-blocking tape is arranged on the equivalent outer annular surface of the cable core in a wrapping mode.
9. The novel optical cable for communication between underwater equipment and equipment inside a cabin body according to claim 1, wherein: the inner sheath is made of flame-retardant polyurethane material; the aramid fiber adopts aramid fiber woven reinforced fiber; the outer sheath is made of flame-retardant polyurethane material.
10. The use of the novel underwater device of claims 1-9 as an optical cable for communication with devices inside a cabin, wherein: the underwater equipment and the communication equipment inside the cabin body are in communication connection through the novel underwater equipment and the communication equipment inside the cabin body through optical cables.
CN202010840926.7A 2020-08-20 2020-08-20 Novel optical cable for communication between underwater equipment and cabin internal equipment Pending CN111856673A (en)

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Application Number Priority Date Filing Date Title
CN202010840926.7A CN111856673A (en) 2020-08-20 2020-08-20 Novel optical cable for communication between underwater equipment and cabin internal equipment

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Application Number Priority Date Filing Date Title
CN202010840926.7A CN111856673A (en) 2020-08-20 2020-08-20 Novel optical cable for communication between underwater equipment and cabin internal equipment

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CN111856673A true CN111856673A (en) 2020-10-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112987213A (en) * 2021-04-13 2021-06-18 浙江东通光网物联科技有限公司 Optical cable easy to perform stripping operation
CN114815109A (en) * 2022-05-25 2022-07-29 江苏亨通光电股份有限公司 B2 ca-grade large-core multi-layer stranded flame-retardant air-blowing micro cable and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104062728A (en) * 2014-06-23 2014-09-24 江苏亨通光电股份有限公司 Micro-beam-tube easily-branched optical cable
CN204536617U (en) * 2015-03-23 2015-08-05 江苏宏图高科技股份有限公司 One is dynamic Developments of Micro Cables under water
CN105842806A (en) * 2016-06-01 2016-08-10 江苏永鼎股份有限公司 High-strength, high-flame retardant and fire-resistant optical cable
CN109471229A (en) * 2018-05-03 2019-03-15 国网浙江省电力公司衢州供电公司 A kind of reinforced optical cable and its underground laying method
CN212872996U (en) * 2020-08-20 2021-04-02 江苏亨通光电股份有限公司 Novel optical cable for communication between underwater equipment and cabin internal equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104062728A (en) * 2014-06-23 2014-09-24 江苏亨通光电股份有限公司 Micro-beam-tube easily-branched optical cable
CN204536617U (en) * 2015-03-23 2015-08-05 江苏宏图高科技股份有限公司 One is dynamic Developments of Micro Cables under water
CN105842806A (en) * 2016-06-01 2016-08-10 江苏永鼎股份有限公司 High-strength, high-flame retardant and fire-resistant optical cable
CN109471229A (en) * 2018-05-03 2019-03-15 国网浙江省电力公司衢州供电公司 A kind of reinforced optical cable and its underground laying method
CN212872996U (en) * 2020-08-20 2021-04-02 江苏亨通光电股份有限公司 Novel optical cable for communication between underwater equipment and cabin internal equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112987213A (en) * 2021-04-13 2021-06-18 浙江东通光网物联科技有限公司 Optical cable easy to perform stripping operation
CN112987213B (en) * 2021-04-13 2023-02-28 浙江东通光网物联科技有限公司 Optical cable easy to perform stripping operation
CN114815109A (en) * 2022-05-25 2022-07-29 江苏亨通光电股份有限公司 B2 ca-grade large-core multi-layer stranded flame-retardant air-blowing micro cable and preparation method thereof

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