CN105825929A - Hybrid-structure optical cable with abnormal-shaped gasket for packing - Google Patents

Hybrid-structure optical cable with abnormal-shaped gasket for packing Download PDF

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Publication number
CN105825929A
CN105825929A CN201610299722.0A CN201610299722A CN105825929A CN 105825929 A CN105825929 A CN 105825929A CN 201610299722 A CN201610299722 A CN 201610299722A CN 105825929 A CN105825929 A CN 105825929A
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China
Prior art keywords
cylinder arc
arc body
special
shaped packing
cylinder
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CN201610299722.0A
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Chinese (zh)
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蒋菊生
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Individual
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Individual
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1895—Internal space filling-up means
    • 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
    • H01B9/00—Power cables
    • H01B9/005—Power cables including optical transmission elements
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • 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
    • 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
    • G02B6/4407—Optical cables with internal fluted support member
    • 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
    • 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
    • G02B6/443—Protective covering
    • G02B6/4432—Protective covering with fibre reinforcements
    • 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
    • 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
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
    • 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
    • H01B7/17—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
    • H01B7/24—Devices affording localised protection against mechanical force or pressure
    • 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
    • H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets
    • C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Sealing Material Composition (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Cable Accessories (AREA)

Abstract

The invention belongs to the technical field of cables, and specifically relates to a hybrid-structure optical cable with an abnormal-shaped gasket for packing. The hybrid-structure optical cable includes an reinforce, a plurality of transmission wires which are arranged at the outside of the reinforce and are successively tangent to each other or are arranged at slight intervals, optical fiber communication units which are arranged in the intervals between the adjacent transmission wires, a protective layer which covers the transmission wires and the optical fiber communication units, and a sheath layer which is plastically extruded and coated on the protective layer. The hybrid-structure optical cable with an abnormal-shaped gasket for packing is characterized in that an abnormal-shaped gasket for packing is arranged in the interval between the adjacent transmission wires; each optical fiber communication unit is clamped in the abnormal-shaped gasket for packing; and the abnormal-shaped gasket for packing is made of special materials. The hybrid-structure optical cable with an abnormal-shaped gasket for packing has the advantages of being simple in structure, being lower in cost, being more excellent in performance and being more convenient for construction.

Description

There is the mixed structure optical cable of special-shaped packing gasket
The application is entitled: have the optoelectrical cable of special-shaped packing gasket, a filing date: on 03 31st, 2015, Application No.: the divisional application of the application for a patent for invention of 201510147057.9；Application No.: the application for a patent for invention of 201510147057.9 require that Application No.: 201510103921.5, filing date: the priority of the Chinese invention patent application of on 03 10th, 2015.
Technical field
The invention belongs to technical field of cables, especially relate to the mixed structure optical cable with special-shaped packing gasket.
Background technology
Along with the application of developing rapidly of telecommunications, optical fiber cable and electric wire is increasing.The use of optoelectronic composite cable can make electricity, light directly register one's residence, and operator need not additionally apply for electric load, therefore, is increasingly favored by operator.But, existing optoelectrical cable is primarily present problems with: when the external series gap of the wire that (1) is adjacent is bigger, and in order to make composite rope profile rounding, accommodating fibre-optic Loose tube also needs to make large scale, which increases cost；(2) wire and Loose tube stranded formation cable core, uses the wrapping of yarn class material outside cable core, easily pricks bad Loose tube, cause the exception of optical signal transmission, and when temperature significantly changes, wrapping material pricks bad Loose tube, and then affect optic communication, and the price of wrapper material own is costly；(3) use the mode that wire is stranded with Loose tube, it is not easy to take out Loose tube, need before taking-up to cut open wrapper material, be easily damaged cable core, be difficult to recover；And Loose tube takes out and bothers very much.
In view of drawbacks described above, operator and manufacture commercial city expect there is more preferable solution.
Summary of the invention
In order to solve the problems referred to above, an object of the present invention is to disclose special-shaped packing gasket；The two of the purpose of the present invention are the optoelectrical cables disclosing and using this special-shaped packing gasket；The three of the purpose of the present invention are the manufacture methods disclosing this kind of optoelectrical cable；They realize by the following technical solutions.
Optical cable or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, it includes rope body, it is characterized in that rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body connects one end of the 3rd cylinder arc body, the other end of the 3rd cylinder arc body connects one end of the second cylinder arc body, one end of 4th cylinder arc body connects one end of the first cylinder arc body, and the other end of the 4th cylinder arc body connects the other end of the second cylinder arc body；First cylinder arc body, the second cylinder arc body, the 3rd cylinder arc body, the bending of the 4th cylinder arc body are in the same direction；First cylinder arc body and the equal diameters of the second cylinder arc body, arc length are equal；First cylinder arc body, both the second cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；3rd cylinder arc body, both the 4th cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；The arc length of the 3rd cylinder arc body not less than circle corresponding to this arc circumference 2/3 and the 3rd the arc length of cylinder arc body be not more than circle corresponding to this arc circumference 4/5.
Optical cable described above or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, it is characterised in that the 1/2 or 1/3 or 1/4 or 1/5 or 1/6 or 1/7 or 1/8 or 1/9 or 1/10 or 1/11 or 1/12 of the circumference of the circle that arc this arc a length of of described 4th cylinder arc body is corresponding.
Optical cable described above or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, it is characterised in that the 1/2 or 1/3 or 1/4 of the circumference of the circle that arc this arc a length of of described first cylinder arc body is corresponding.
Optical cable or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, it is characterised in that it is spliced successively by multiple little structure gasket for packing bodies or an extrusion molding is formed, and the plurality of little structure gasket for packing body pieces together a complete periphery；Described little structure gasket for packing body includes rope body, rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body connects one end of the 3rd cylinder arc body, the other end of the 3rd cylinder arc body connects one end of the second cylinder arc body, one end of 4th cylinder arc body connects one end of the first cylinder arc body, and the other end of the 4th cylinder arc body connects the other end of the second cylinder arc body；First cylinder arc body, the second cylinder arc body, the 3rd cylinder arc body, the bending of the 4th cylinder arc body are in the same direction；First cylinder arc body and the equal diameters of the second cylinder arc body, arc length are equal；First cylinder arc body, both the second cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；3rd cylinder arc body, both the 4th cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；The arc length of the 3rd cylinder arc body not less than circle corresponding to this arc circumference 2/3 and the 3rd the arc length of cylinder arc body be not more than circle corresponding to this arc circumference 4/5；In arbitrary cross section perpendicular with special-shaped packing gasket central axis, the junction point of one end of the other end of all first cylinder arc bodies and the junction point of one end, the other end of all 3rd cylinder arc bodies and the second cylinder arc body of the 3rd cylinder arc body, all on same circumference.
nullOptical cable described above or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket，It is characterized in that the material of described rope body is polypropylene or polyethylene or by weight，It is made up of following raw material: polypropylene: 40～60 parts、When 200 DEG C, oxidation induction period is [32，40] Low Density Polyethylene: 20～30 parts、Melt flow rate (MFR) is the medium density polyethylene of 1.2～1.6g/10min: 10～20 parts、Polybutylene terephthalate (PBT): 8～12 parts、Nylon 6 or nylon66 fiber: 8～12 parts、Dibutyl phthalate: 2～4 parts、Commercially available model is the plastics antioxidant of 1010 or plastics antioxidant that commercially available model is 168: 1～3 part、Aluminium hydroxide: 10～15 parts、Tissuemat E: 2～4 parts.
nullOptical cable described above or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket，It is characterized in that the material of described little structure gasket for packing body is polypropylene or polyethylene or by weight，It is made up of following raw material: polypropylene: 40～60 parts、When 200 DEG C, oxidation induction period is [32，40] Low Density Polyethylene: 20～30 parts、Melt flow rate (MFR) is the medium density polyethylene of 1.2～1.6g/10min: 10～20 parts、Polybutylene terephthalate (PBT): 8～12 parts、Nylon 6 or nylon66 fiber: 8～12 parts、Dibutyl phthalate: 2～4 parts、Commercially available model is the plastics antioxidant of 1010 or plastics antioxidant that commercially available model is 168: 1～3 part、Aluminium hydroxide: 10～15 parts、Tissuemat E: 2～4 parts.
Having the mixed structure optical cable of special-shaped packing gasket, it includes reinforcement, is positioned at outside reinforcement and the most tangent or that slightly many transmission pressures of gap placement, the fiber optic communication unit being positioned in adjacent transmission pressure external series gap, protective layer transmission pressure and fiber optic communication unit enveloped, extrusion molding are coated on outside protective layer restrictive coating；It is characterized in that having any one special-shaped packing gasket described above in described adjacent transmission pressure external series gap, the first cylinder arc body of special-shaped packing gasket, the second cylinder arc body are close to transmission pressure, and protective layer is positioned at outside special-shaped packing gasket；A part for fiber optic communication unit is positioned at whole arc bodies of the 3rd cylinder arc body, fiber optic communication unit and the 3rd cylinder arc body and contacts, and fiber optic communication unit is mutually circumscribed with transmission pressure；Reinforcement is tangent with transmission pressure or arranges the most with gap；In projection in the plane of arbitrary axis perpendicular with optoelectrical cable, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding is on same circumference and the center of circle of this center of circle and reinforcement coincides；Transmission pressure is made up of conductor and the insulating barrier that is coated on outside conductor, and fiber optic communication unit is made up of optical fiber and the protection pipe that enveloped by optical fiber.
Further, the mixed structure optical cable with special-shaped packing gasket described above, it is characterised in that in described many transmission pressures, at least a transmission pressure is substituted by the filling component essentially identical with transmission pressure diameter.
There is the mixed structure optical cable of special-shaped packing gasket, it include reinforcement, be positioned at many transmission pressures outside reinforcement and at least filling component essentially identical with transmission pressure diameter, be positioned in adjacent transmission pressure external series gap or be positioned in the external series gap of adjacent filling component or be positioned at the restrictive coating that adjacent transmission pressure is coated on outside protective layer with the fiber optic communication unit in filling component external series gap, protective layer transmission pressure, filling component and fiber optic communication unit enveloped, extrusion molding；Reinforcement is tangent with transmission pressure or arranges the most with gap, and reinforcement is tangent with filling component or arranges the most with gap；It is characterized in that in described adjacent transmission pressure external series gap or in the external series gap of adjacent filling component or adjacent transmission pressure has any one special-shaped packing gasket described above in filling component external series gap, protective layer is positioned at outside special-shaped packing gasket, when the surrounding of special-shaped packing gasket is adjacent transmission pressure, first cylinder arc body of special-shaped packing gasket, second cylinder arc body is close to transmission pressure, a part for fiber optic communication unit is positioned at the 3rd cylinder arc body, whole arc bodies of fiber optic communication unit and the 3rd cylinder arc body contact, fiber optic communication unit is mutually circumscribed with transmission pressure；When the surrounding of special-shaped packing gasket is adjacent transmission pressure and filling component, first cylinder arc body of special-shaped packing gasket, the second cylinder arc body are close to transmission pressure and the filling component of correspondence, a part for fiber optic communication unit is positioned at the 3rd cylinder arc body, whole arc bodies of fiber optic communication unit and the 3rd cylinder arc body contact, and fiber optic communication unit is mutually circumscribed with transmission pressure and filling component；When the surrounding of special-shaped packing gasket is adjacent filling component, first cylinder arc body of special-shaped packing gasket, the second cylinder arc body are close to filling component, a part for fiber optic communication unit is positioned at the 3rd cylinder arc body, whole arc bodies of fiber optic communication unit and the 3rd cylinder arc body contact, and fiber optic communication unit is mutually circumscribed with filling component；In projection in the plane of arbitrary axis perpendicular with optoelectrical cable, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding is on same circumference and the center of circle of this center of circle and reinforcement coincides；Transmission pressure is made up of conductor and the insulating barrier that is coated on outside conductor, and fiber optic communication unit is made up of optical fiber and the protection pipe that enveloped by optical fiber.
The mixed structure optical cable with special-shaped packing gasket described above, it is characterised in that the material of described reinforcement is steel wire or polyethylene or polypropylene or fiberglass reinforced plastics.
The mixed structure optical cable with special-shaped packing gasket described above, it is characterised in that the material of main part of described filling component is polyethylene or polypropylene.
The mixed structure optical cable with special-shaped packing gasket described above, it is characterised in that the material of described protective layer is waterstop or non-woven fabrics or mica tape or polyester belt or aluminium strip or steel band or copper strips.
The mixed structure optical cable with special-shaped packing gasket described above, it is characterised in that the material of described restrictive coating is polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl.
The mixed structure optical cable with special-shaped packing gasket described above, it is characterised in that the material of described conductor is copper or aluminum or copper cover aluminum or copper-clad magnesium or aluminium in copper magnesium or aluminium alloy or magnesium alloy.
The mixed structure optical cable with special-shaped packing gasket described above, it is characterised in that the material of described insulating barrier is polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl.
The mixed structure optical cable with special-shaped packing gasket described above, it is characterised in that described optical fiber is single-mode fiber or multimode fibre.
Further, the mixed structure optical cable with special-shaped packing gasket described above, it is characterised in that described optical fiber is energy transmission optical fibre or G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type.
The mixed structure optical cable with special-shaped packing gasket described above, it is characterised in that the material of described protection pipe is modified polypropene or polybutylene terephthalate (PBT) or steel.
A kind of making has the method for the mixed structure optical cable of special-shaped packing gasket, it is characterised in that it includes following steps:
Make the step of fiber optic communication unit: modified polypropene or polybutylene terephthalate (PBT) are inserted in secondary coated extruding machine the protection pipe shearing, compress, melt and being extruded into sky；In taking many G.652 the protection pipe of sky being inserted by type or many G.653 type or many G.654 type or many G.655 type or many G.656 type or many G.657 type or many A1a types or many A1b types or many A1c types or many OM1 types or many OM2 types or many OM3 types or many energy mode transmission optical fiber; simultaneously in empty protection pipe, pressure with 0.2～0.4bar sprays and adds model as LT-410 or the fine cream of LT-420; make protection pipe internal clearance compactedness >=95%, optical fiber longer 1.002～1.025 times than the length of protection pipe, form fiber optic communication unit；Repeat aforesaid operations, form multiple fiber optic communication unit；
Make the step of transmission pressure: will many copper wires or multiple aluminium wire or many copper-clad aluminium wires or many copper-clad magnesium silks or many copper coated aluminum magnesium silks or many aluminum-alloy wires or many Mg alloy wire synnemas formation conductors on strand winder, outside conductor, extrude, by extruding machine, the polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl formation insulating barrier that thickness is 0.6～1.5mm, complete the processing of single transmission pressure；Repeat aforesaid operations, form many transmission pressures；
Make the step of special-shaped packing gasket: take polypropylene or polyethylene or the composite being made up of by weight following raw material: polypropylene: 40～60 parts, when 200 DEG C, oxidation induction period is [32, 40] Low Density Polyethylene: 20～30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2～1.6g/10min: 10～20 parts, polybutylene terephthalate (PBT): 8～12 parts, nylon 6 or nylon66 fiber: 8～12 parts, dibutyl phthalate: 2～4 parts, commercially available model is the plastics antioxidant of 1010 or plastics antioxidant that commercially available model is 168: 1～3 part, aluminium hydroxide: 10～15 parts, Tissuemat E: 2～4 parts；It is placed in cable extruding machine, it is extruded into body of restricting by the mould of extrusion head, form single special-shaped packing gasket, described rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body connects one end of the 3rd cylinder arc body, the other end of the 3rd cylinder arc body connects one end of the second cylinder arc body, and one end of the 4th cylinder arc body connects one end of the first cylinder arc body, and the other end of the 4th cylinder arc body connects the other end of the second cylinder arc body；First cylinder arc body, the second cylinder arc body, the 3rd cylinder arc body, the bending of the 4th cylinder arc body are in the same direction；First cylinder arc body and the equal diameters of the second cylinder arc body, arc length are equal；First cylinder arc body, both the second cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；3rd cylinder arc body, both the 4th cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；The arc length of the 3rd cylinder arc body not less than circle corresponding to this arc circumference 2/3 and the 3rd the arc length of cylinder arc body be not more than circle corresponding to this arc circumference 4/5；The 1/2 or 1/3 or 1/4 or 1/5 or 1/6 or 1/7 or 1/8 or 1/9 or 1/10 or 1/11 or 1/12 of the circumference of the circle that arc this arc a length of of described 4th cylinder arc body is corresponding；The 1/2 or 1/3 or 1/4 of the circumference of the circle that arc this arc a length of of described first cylinder arc body is corresponding；Repeat the above steps forms many special-shaped packing gaskets；
Make the step of compound special-shaped packing gasket: take the fiber optic communication unit and special-shaped packing gasket made, fiber optic communication unit is embedded in the 3rd cylinder arc body of special-shaped packing gasket, and the whole arc bodies making a part for fiber optic communication unit be positioned at the 3rd cylinder arc body, fiber optic communication unit and the 3rd cylinder arc body contact；Repeat the above steps forms many compound special-shaped packing gaskets；
Make the step of cable core: take the many transmission pressures made, many compound special-shaped packing gaskets and reinforcement, by the most tangent for many transmission pressures or be placed on the most with gap outside reinforcement, make reinforcement and transmission pressure tangent or place the most with gap；The special-shaped packing gasket that every compound is placed in adjacent transmission pressure external series gap and make mutually circumscribed with adjacent transmission pressure, compound the first cylinder arc body of special-shaped packing gasket of fiber optic communication unit, the second cylinder arc body are close to transmission pressure, in projection in the plane of arbitrary axis perpendicular with reinforcement, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding is on same circumference and the center of circle of this center of circle and reinforcement coincides；Form cable core；
Make the step that finished product has the mixed structure optical cable of special-shaped packing gasket: take waterstop or non-woven fabrics or mica tape or polyester belt or aluminium strip or steel band or copper strips is coated on outside cable core and forms protective layer；Take polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl extrusion molding is coated on outside protective layer and forms restrictive coating, complete the making of the mixed structure optical cable with special-shaped packing gasket.
Special-shaped packing gasket in the present invention has that simple in construction, easily making, humidity, processing characteristics be excellent, resistance to compression restorability excellent, acid and alkali-resistance excellent, ageing-resistant, elastic and the beneficial effect such as oil, low water suction.
nullThe mixed structure optical cable with special-shaped packing gasket in the present invention，Owing to having used above-mentioned special-shaped packing gasket，In special-shaped packing gasket the arc length of the 3rd cylinder arc body not less than circle corresponding to this arc circumference 2/3 and the 3rd the arc length of cylinder arc body be not more than circle corresponding to this arc circumference 4/5，Therefore，Fiber optic communication unit is predominantly located in the 3rd cylinder arc body，Some is positioned at outside the 3rd cylinder arc body，Owing to special-shaped packing gasket has excellent elasticity and toughness，Therefore，Fiber optic communication unit can be made as the 3rd cylinder arc body the most slightly larger，In so fiber optic communication unit can be embedded into the 3rd cylinder arc body，Form tight fit，Will not be from the 3rd cylinder arc body effusion，Fiber optic communication unit and transmission pressure or special-shaped packing gasket simultaneously、Or transmission pressure and special-shaped packing gasket tangent，And protective layer is coated on outside cable core，And in the projection in the plane of arbitrary axis perpendicular with reinforcement，The circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding is on same circumference and the center of circle of this center of circle and reinforcement coincides，Therefore cable core、Protective layer more rounding、Optoelectrical cable outward appearance more rounding、Smooth；Special construction due to the present invention; therefore it is no longer necessary to the wrapping of yarn class material; both provided cost savings, and there is not yarn class material and transmission pressure when variations in temperature, protection tube material is because of temperature shrinkage/expand different and prick bad transmission wire, protection pipe, and then affects the defect of optical cable performance；Owing to fiber optic communication unit is arranged in the 3rd cylinder arc body dexterously, even therefore the long-pending transmission of electricity in big current-carrying capacity, heavy in section lead to, it is not required that make large-sized protection pipe, provide cost savings, make protection pipe more general simultaneously；Due in the present invention; special-shaped packing gasket, transmission pressure, reinforcement are actually parallel mode and arrange; and without yarn class binder; therefore after workmen's stripping optical cable; it is no longer necessary to cut off yarn class binder, take out corresponding special-shaped packing gasket; stripping out protection pipe the most lightly, can realize protecting pipe to separate with special-shaped packing gasket, construction is quite convenient, in hgher efficiency.
Therefore, the Advantageous Effects such as the mixed structure optical cable with special-shaped packing gasket of the present invention has that simple in construction, cost be lower, more excellent performance, construction are more convenient.
Accompanying drawing explanation
Fig. 1 is the perspective view of a section of the first embodiment of special-shaped packing gasket in the present invention.
Fig. 2 is the cross-sectional structure schematic diagram that Fig. 1 amplifies.
Fig. 3 is the cross-sectional structure schematic diagram of the second embodiment of special-shaped packing gasket in the present invention.
Fig. 4 is the cross-sectional structure schematic diagram of the 3rd embodiment of special-shaped packing gasket in the present invention.
Fig. 5 is one section of perspective view after stripping of optoelectrical cable in the present invention.
Fig. 6 is the cross-sectional structure schematic diagram after Fig. 5 amplifies.
Detailed description of the invention
Embodiment 1, embodiment 2, embodiment 3 are the embodiments of special-shaped packing gasket in the present invention；Embodiment 4, embodiment 5 are the embodiments of the mixed structure optical cable in the present invention with special-shaped packing gasket.
Embodiment 1
Ask for an interview Fig. 1 Fig. 2, optical cable or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, it includes rope body 4, it is characterized in that rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body 41 connects one end of the 3rd cylinder arc body 43, the other end of the 3rd cylinder arc body 43 connects one end of the second cylinder arc body 42, and one end of the 4th cylinder arc body 44 connects one end of the first cylinder arc body 41, and the other end of the 4th cylinder arc body 44 connects the other end of the second cylinder arc body 42；First cylinder arc body, the second cylinder arc body, the 3rd cylinder arc body, the bending of the 4th cylinder arc body are in the same direction；First cylinder arc body and the equal diameters of the second cylinder arc body, arc length are equal；First cylinder arc body, both the second cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；3rd cylinder arc body, both the 4th cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；The arc length of the 3rd cylinder arc body not less than circle corresponding to this arc circumference 2/3 and the 3rd the arc length of cylinder arc body be not more than circle corresponding to this arc circumference 4/5.
Optical cable described above or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, it is characterised in that the 1/2 or 1/3 or 1/4 or 1/5 or 1/6 or 1/7 or 1/8 or 1/9 or 1/10 or 1/11 or 1/12 of the circumference of the circle that arc this arc a length of of described 4th cylinder arc body is corresponding.
Further, optical cable described above or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, it is characterised in that the 1/2 or 1/3 or 1/4 of the circumference of the circle that arc this arc a length of of described first cylinder arc body is corresponding.
Embodiment 2
Ask for an interview Fig. 3, and with reference to Fig. 1 and Fig. 2；Optical cable or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, it is characterised in that it is spliced to form successively by four little structure gasket for packing bodies, and described four little structure gasket for packing bodies piece together a complete periphery；Described little structure gasket for packing body includes rope body 4, rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body 41 connects one end of the 3rd cylinder arc body 43, the other end of the 3rd cylinder arc body 43 connects one end of the second cylinder arc body 42, one end of 4th cylinder arc body 44 connects one end of the first cylinder arc body 41, and the other end of the 4th cylinder arc body 44 connects the other end of the second cylinder arc body 42；First cylinder arc body, the second cylinder arc body, the 3rd cylinder arc body, the bending of the 4th cylinder arc body are in the same direction；First cylinder arc body and the equal diameters of the second cylinder arc body, arc length are equal；First cylinder arc body, both the second cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；3rd cylinder arc body, both the 4th cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；The arc length of the 3rd cylinder arc body not less than circle corresponding to this arc circumference 2/3 and the 3rd the arc length of cylinder arc body be not more than circle corresponding to this arc circumference 4/5；In arbitrary cross section perpendicular with special-shaped packing gasket central axis, the junction point of one end of the other end of all first cylinder arc bodies and the junction point of one end, the other end of all 3rd cylinder arc bodies and the second cylinder arc body of the 3rd cylinder arc body, all on same circumference R1；4th cylinder arc body 44 is quadrant arc column, and so, four special-shaped packing gasket stitching portions form four contacts, and it is perpendicular with vertical line L2, L1 and L2 that relative contact connects formation horizontal line L1.
Certainly, in this embodiment, it is clear that can also is that is connected by the multiple special-shaped packing gaskets in embodiment 1 or bond forms；So can make the optoelectronic composite cable of more power transmission conductor, and fiber number can also expand.
Embodiment 3
Ask for an interview Fig. 4, and referring to figs. 1 to Fig. 3；Optical cable or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, basic with embodiment 2, difference is that it is formed by four little extrusion moldings of structure gasket for packing body, and described four little structure gasket for packing bodies form a complete periphery；Described little structure gasket for packing body includes rope body 4, rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body 41 connects one end of the 3rd cylinder arc body 43, the other end of the 3rd cylinder arc body 43 connects one end of the second cylinder arc body 42, one end of 4th cylinder arc body 44 connects one end of the first cylinder arc body 41, and the other end of the 4th cylinder arc body 44 connects the other end of the second cylinder arc body 42；First cylinder arc body, the second cylinder arc body, the 3rd cylinder arc body, the bending of the 4th cylinder arc body are in the same direction；First cylinder arc body and the equal diameters of the second cylinder arc body, arc length are equal；First cylinder arc body, both the second cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；3rd cylinder arc body, both the 4th cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；The arc length of the 3rd cylinder arc body not less than circle corresponding to this arc circumference 2/3 and the 3rd the arc length of cylinder arc body be not more than circle corresponding to this arc circumference 4/5；In arbitrary cross section perpendicular with special-shaped packing gasket central axis, the junction point of one end of the other end of all first cylinder arc bodies and the junction point of one end, the other end of all 3rd cylinder arc bodies and the second cylinder arc body of the 3rd cylinder arc body, all on same circumference R1.
Certainly, in this embodiment, it is clear that can also is that by the multiple special-shaped packing gaskets in embodiment 1 integral part of；So can make the optoelectronic composite cable of more power transmission conductor, and fiber number can also expand.
nullOptical cable described in any of the above-described embodiment or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket，It is characterized in that the material of described rope body is polypropylene or polyethylene or by weight，It is made up of following raw material: polypropylene: 40～60 parts、When 200 DEG C, oxidation induction period is [32，40] Low Density Polyethylene: 20～30 parts、Melt flow rate (MFR) is the medium density polyethylene of 1.2～1.6g/10min: 10～20 parts、Polybutylene terephthalate (PBT): 8～12 parts、Nylon 6 or nylon66 fiber: 8～12 parts、Dibutyl phthalate: 2～4 parts、Commercially available model is the plastics antioxidant of 1010 or plastics antioxidant that commercially available model is 168: 1～3 part、Aluminium hydroxide: 10～15 parts、Tissuemat E: 2～4 parts.
nullOptical cable described in any of the above-described embodiment or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket，It is characterized in that the material of described little structure gasket for packing body is polypropylene or polyethylene or by weight，It is made up of following raw material: polypropylene: 40～60 parts、When 200 DEG C, oxidation induction period is [32，40] Low Density Polyethylene: 20～30 parts、Melt flow rate (MFR) is the medium density polyethylene of 1.2～1.6g/10min: 10～20 parts、Polybutylene terephthalate (PBT): 8～12 parts、Nylon 6 or nylon66 fiber: 8～12 parts、Dibutyl phthalate: 2～4 parts、Commercially available model is the plastics antioxidant of 1010 or plastics antioxidant that commercially available model is 168: 1～3 part、Aluminium hydroxide: 10～15 parts、Tissuemat E: 2～4 parts.
In the present invention, find through test, gasket for packing body or the combined effect that little gasket for packing body is formula as below are optimal: by weight, it is made up of following raw material: polypropylene: 40 parts, when 200 DEG C, oxidation induction period is [32, 40] Low Density Polyethylene: 30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.4g/10min: 15 parts, polybutylene terephthalate (PBT): 10 parts, nylon 6 or nylon66 fiber: 10 parts, dibutyl phthalate: 3 parts, commercially available model is the plastics antioxidant of 1010 or plastics antioxidant that commercially available model is 168: 2 parts, aluminium hydroxide: 12.5 parts, Tissuemat E: 3 parts.
In the present invention, find through test, gasket for packing body or the combined effect that little gasket for packing body is formula as below are sub-optimal: by weight, it is made up of following raw material: polypropylene: 40 parts, when 200 DEG C, oxidation induction period is [32, 40] Low Density Polyethylene: 25 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2g/10min: 10 parts, polybutylene terephthalate (PBT): 8 parts, nylon 6 or nylon66 fiber: 8 parts, dibutyl phthalate: 2 parts, commercially available model is the plastics antioxidant of 1010 or plastics antioxidant that commercially available model is 168: 1 part, aluminium hydroxide: 10 parts, Tissuemat E: 2 parts.
In the present invention, find through test, gasket for packing body or the combined effect time that little gasket for packing body is formula as below are sub-optimal: by weight, it is made up of following raw material: polypropylene: 60 parts, when 200 DEG C, oxidation induction period is [32, 40] Low Density Polyethylene: 20 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2～1.6g/10min: 20 parts, polybutylene terephthalate (PBT): 12 parts, nylon 6 or nylon66 fiber: 12 parts, dibutyl phthalate: 4 parts, commercially available model is the plastics antioxidant of 1010 or plastics antioxidant that commercially available model is 168: 3 parts, aluminium hydroxide: 15 parts, Tissuemat E: 4 parts.
Applicant has carried out producing and inspection for the gasket for packing body being made up of above-mentioned formula or little gasket for packing body, obtain data below, wherein, 1# is optimum formula, 2# is sub-optimal formula, and 3# is time sub-optimal formula, and 4# is formula interior on a large scale, 5# is all to use polyacrylic formula, and 6# is the formula all using Low Density Polyethylene；It is 6 mm sqs that example cross section amasss, and each sequence number has taken 100 samples.
From upper table this it appears that, in the present invention, the formula of gasket for packing body or little gasket for packing body makes special-shaped packing gasket have excellent process velocity, excellent hot strength, break-draw strain, have low water absorbing properties, and excellent toughness (doubling restorability)；There is excellent acidproof, alkaline-resisting, oil resistance.
Special-shaped packing gasket in the present invention has that simple in construction, easily making, humidity, processing characteristics be excellent, resistance to compression restorability excellent, acid and alkali-resistance excellent, ageing-resistant, elastic and the beneficial effect such as oil, low water suction.
Embodiment 4
Ask for an interview Fig. 5 and Fig. 6, and referring to figs. 1 to Fig. 4；Having the mixed structure optical cable of special-shaped packing gasket, it includes reinforcement 3, is positioned at outside reinforcement and the most tangent or that slightly four transmission pressures 1 of gap placement, the fiber optic communication unit 2 being positioned in adjacent transmission pressure external series gap, the protective layer 5 transmission pressure and fiber optic communication unit enveloped, extrusion molding are coated on outside protective layer restrictive coating 6；It is characterized in that the special-shaped packing gasket 4 having in described adjacent transmission pressure external series gap described in arbitrary embodiment of above-mentioned embodiment 1 to embodiment 3; first cylinder arc body of special-shaped packing gasket, the second cylinder arc body are close to transmission pressure, and protective layer is positioned at outside special-shaped packing gasket；A part for fiber optic communication unit is positioned at whole arc bodies of the 3rd cylinder arc body, fiber optic communication unit and the 3rd cylinder arc body and contacts, and fiber optic communication unit is mutually circumscribed with transmission pressure；Reinforcement is tangent with transmission pressure or arranges the most with gap；In projection in the plane of arbitrary axis perpendicular with optoelectrical cable, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding is on same circumference and the center of circle of this center of circle and reinforcement coincides；Transmission pressure is made up of conductor 11 and the insulating barrier 12 that is coated on outside conductor, and fiber optic communication unit is made up of optical fiber 21 and the protection pipe 22 that enveloped by optical fiber.
Certainly, the mixed structure optical cable with special-shaped packing gasket described above, it is characterised in that described transmission pressure is not limited to four, can be also other many.
A kind of making has the method for the mixed structure optical cable of special-shaped packing gasket, it is characterised in that it includes following steps:
Make the step of fiber optic communication unit: modified polypropene or polybutylene terephthalate (PBT) are inserted in secondary coated extruding machine the protection pipe shearing, compress, melt and being extruded into sky；In taking many G.652 the protection pipe of sky being inserted by type or many G.653 type or many G.654 type or many G.655 type or many G.656 type or many G.657 type or many A1a types or many A1b types or many A1c types or many OM1 types or many OM2 types or many OM3 types or many energy mode transmission optical fiber; simultaneously in empty protection pipe, pressure with 0.2～0.4bar sprays and adds model as LT-410 or the fine cream of LT-420; make protection pipe internal clearance compactedness >=95%, optical fiber longer 1.002～1.025 times than the length of protection pipe, form fiber optic communication unit；Repeat aforesaid operations, form multiple fiber optic communication unit；
Make the step of transmission pressure: will many copper wires or multiple aluminium wire or many copper-clad aluminium wires or many copper-clad magnesium silks or many copper coated aluminum magnesium silks or many aluminum-alloy wires or many Mg alloy wire synnemas formation conductors on strand winder, outside conductor, extrude, by extruding machine, the polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl formation insulating barrier that thickness is 0.6～1.5mm, complete the processing of single transmission pressure；Repeat aforesaid operations, form many transmission pressures；
Make the step of special-shaped packing gasket: take polypropylene or polyethylene or the composite being made up of by weight following raw material: polypropylene: 40～60 parts, when 200 DEG C, oxidation induction period is [32, 40] Low Density Polyethylene: 20～30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2～1.6g/10min: 10～20 parts, polybutylene terephthalate (PBT): 8～12 parts, nylon 6 or nylon66 fiber: 8～12 parts, dibutyl phthalate: 2～4 parts, commercially available model is the plastics antioxidant of 1010 or plastics antioxidant that commercially available model is 168: 1～3 part, aluminium hydroxide: 10～15 parts, Tissuemat E: 2～4 parts；It is placed in cable extruding machine, it is extruded into body of restricting by the mould of extrusion head, form single special-shaped packing gasket, described rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body 41 connects one end of the 3rd cylinder arc body 43, the other end of the 3rd cylinder arc body 43 connects one end of the second cylinder arc body 42, and one end of the 4th cylinder arc body 44 connects one end of the first cylinder arc body 41, and the other end of the 4th cylinder arc body 44 connects the other end of the second cylinder arc body 42；First cylinder arc body, the second cylinder arc body, the 3rd cylinder arc body, the bending of the 4th cylinder arc body are in the same direction；First cylinder arc body and the equal diameters of the second cylinder arc body, arc length are equal；First cylinder arc body, both the second cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；3rd cylinder arc body, both the 4th cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；The arc length of the 3rd cylinder arc body not less than circle corresponding to this arc circumference 2/3 and the 3rd the arc length of cylinder arc body be not more than circle corresponding to this arc circumference 4/5；The 1/2 or 1/3 or 1/4 or 1/5 or 1/6 or 1/7 or 1/8 or 1/9 or 1/10 or 1/11 or 1/12 of the circumference of the circle that arc this arc a length of of described 4th cylinder arc body is corresponding；The 1/2 or 1/3 or 1/4 of the circumference of the circle that arc this arc a length of of described first cylinder arc body is corresponding；Repeat the above steps forms many special-shaped packing gaskets；
Make the step of compound special-shaped packing gasket: take the fiber optic communication unit and special-shaped packing gasket made, fiber optic communication unit is embedded in the 3rd cylinder arc body of special-shaped packing gasket, and the whole arc bodies making a part for fiber optic communication unit be positioned at the 3rd cylinder arc body, fiber optic communication unit and the 3rd cylinder arc body contact；Repeat the above steps forms many compound special-shaped packing gaskets；
Make the step of cable core: take the many transmission pressures made, many compound special-shaped packing gaskets and reinforcement, by the most tangent for many transmission pressures or be placed on the most with gap outside reinforcement, make reinforcement and transmission pressure tangent or place the most with gap；The special-shaped packing gasket that every compound is placed in adjacent transmission pressure external series gap and make mutually circumscribed with adjacent transmission pressure, compound the first cylinder arc body of special-shaped packing gasket of fiber optic communication unit, the second cylinder arc body are close to transmission pressure, in projection in the plane of arbitrary axis perpendicular with reinforcement, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding is on same circumference and the center of circle of this center of circle and reinforcement coincides；Form cable core；
Make the step that finished product has the mixed structure optical cable of special-shaped packing gasket: take waterstop or non-woven fabrics or mica tape or polyester belt or aluminium strip or steel band or copper strips is coated on outside cable core and forms protective layer；Take polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl extrusion molding is coated on outside protective layer and forms restrictive coating, complete the making of the mixed structure optical cable with special-shaped packing gasket.
A kind of making has the method for the mixed structure optical cable of special-shaped packing gasket, it is characterised in that it includes following steps:
Make the step of fiber optic communication unit: modified polypropene or polybutylene terephthalate (PBT) are inserted in secondary coated extruding machine the protection pipe shearing, compress, melt and being extruded into sky；In taking many G.652 the protection pipe of sky being inserted by type or many G.653 type or many G.654 type or many G.655 type or many G.656 type or many G.657 type or many A1a types or many A1b types or many A1c types or many OM1 types or many OM2 types or many OM3 types or many energy mode transmission optical fiber; simultaneously in empty protection pipe, pressure with 0.2～0.4bar sprays and adds model as LT-410 or the fine cream of LT-420; make protection pipe internal clearance compactedness >=95%, optical fiber longer 1.002～1.025 times than the length of protection pipe, form fiber optic communication unit；Repeat aforesaid operations, form multiple fiber optic communication unit；
Make the step of transmission pressure: will many copper wires or multiple aluminium wire or many copper-clad aluminium wires or many copper-clad magnesium silks or many copper coated aluminum magnesium silks or many aluminum-alloy wires or many Mg alloy wire synnemas formation conductors on strand winder, outside conductor, extrude, by extruding machine, the polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl formation insulating barrier that thickness is 0.6～1.5mm, complete the processing of single transmission pressure；Repeat aforesaid operations, form many transmission pressures；
Make the step of special-shaped packing gasket: take polypropylene or polyethylene or the composite being made up of by weight following raw material: polypropylene: 40～60 parts, when 200 DEG C, oxidation induction period is [32, 40] Low Density Polyethylene: 20～30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2～1.6g/10min: 10～20 parts, polybutylene terephthalate (PBT): 8～12 parts, nylon 6 or nylon66 fiber: 8～12 parts, dibutyl phthalate: 2～4 parts, commercially available model is the plastics antioxidant of 1010 or plastics antioxidant that commercially available model is 168: 1～3 part, aluminium hydroxide: 10～15 parts, Tissuemat E: 2～4 parts；Being placed in cable extruding machine, be extruded into forming special-shaped packing gasket by the mould of extrusion head, described special-shaped packing gasket is formed by multiple little extrusion moldings of structure gasket for packing body, and the plurality of little structure gasket for packing body forms a complete periphery；Described little structure gasket for packing body includes rope body, rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body connects one end of the 3rd cylinder arc body, the other end of the 3rd cylinder arc body connects one end of the second cylinder arc body, one end of 4th cylinder arc body connects one end of the first cylinder arc body, and the other end of the 4th cylinder arc body connects the other end of the second cylinder arc body；First cylinder arc body, the second cylinder arc body, the 3rd cylinder arc body, the bending of the 4th cylinder arc body are in the same direction；First cylinder arc body and the equal diameters of the second cylinder arc body, arc length are equal；First cylinder arc body, both the second cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；3rd cylinder arc body, both the 4th cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；The arc length of the 3rd cylinder arc body not less than circle corresponding to this arc circumference 2/3 and the 3rd the arc length of cylinder arc body be not more than circle corresponding to this arc circumference 4/5；In arbitrary cross section perpendicular with special-shaped packing gasket central axis, the junction point of one end of the other end of all first cylinder arc bodies and the junction point of one end, the other end of all 3rd cylinder arc bodies and the second cylinder arc body of the 3rd cylinder arc body, all on same circumference；The 1/2 or 1/3 or 1/4 or 1/5 or 1/6 or 1/7 or 1/8 or 1/9 or 1/10 or 1/11 or 1/12 of the circumference of the circle that arc this arc a length of of described 4th cylinder arc body is corresponding；The 1/2 or 1/3 or 1/4 of the circumference of the circle that arc this arc a length of of described first cylinder arc body is corresponding；
Make the step of compound special-shaped packing gasket: take the fiber optic communication unit and special-shaped packing gasket made, fiber optic communication unit is embedded in the 3rd cylinder arc body of special-shaped packing gasket, and the whole arc bodies making a part for fiber optic communication unit be positioned at the 3rd cylinder arc body, fiber optic communication unit and the 3rd cylinder arc body contact；It is external that a part for fiber optic communication unit is positioned at the 3rd cylinder arc；
Make the step of cable core: take the many transmission pressures made, many compound special-shaped packing gaskets and reinforcement, many transmission pressures are respectively penetrated in the first cylinder arc body, the second cylinder arc body, reinforcement is penetrated the centre position of many transmission pressures, makes reinforcement and transmission pressure tangent or place the most with gap；Adjacent transmission pressure is the most tangent or is placed on the most with gap outside reinforcement, make that fiber optic communication unit is mutually circumscribed with adjacent transmission pressure, make the first cylinder arc body of special-shaped packing gasket, the second cylinder arc body be close to transmission pressure, and in the projection in the plane of arbitrary axis perpendicular with reinforcement, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding is on same circumference and the center of circle of this center of circle and reinforcement coincides；Form cable core；
Make the step that finished product has the mixed structure optical cable of special-shaped packing gasket: take waterstop or non-woven fabrics or mica tape or polyester belt or aluminium strip or steel band or copper strips is coated on outside cable core and forms protective layer；Take polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl extrusion molding is coated on outside protective layer and forms restrictive coating, complete the making of the mixed structure optical cable with special-shaped packing gasket.
Embodiment 5
Refer to Fig. 1 to Fig. 6；There is the mixed structure optical cable of special-shaped packing gasket, it include reinforcement, be positioned at many transmission pressures outside reinforcement and at least filling component essentially identical with transmission pressure diameter, be positioned in adjacent transmission pressure external series gap or be positioned in the external series gap of adjacent filling component or be positioned at the restrictive coating that adjacent transmission pressure is coated on outside protective layer with the fiber optic communication unit in filling component external series gap, protective layer transmission pressure, filling component and fiber optic communication unit enveloped, extrusion molding；Reinforcement is tangent with transmission pressure or arranges the most with gap, and reinforcement is tangent with filling component or arranges the most with gap；It is characterized in that in described adjacent transmission pressure external series gap or in the external series gap of adjacent filling component or adjacent transmission pressure has any one special-shaped packing gasket described above in filling component external series gap, protective layer is positioned at outside special-shaped packing gasket, when the surrounding of special-shaped packing gasket is adjacent transmission pressure, first cylinder arc body of special-shaped packing gasket, second cylinder arc body is close to transmission pressure, a part for fiber optic communication unit is positioned at the 3rd cylinder arc body, whole arc bodies of fiber optic communication unit and the 3rd cylinder arc body contact, fiber optic communication unit is mutually circumscribed with transmission pressure；When the surrounding of special-shaped packing gasket is adjacent transmission pressure and filling component, first cylinder arc body of special-shaped packing gasket, the second cylinder arc body are close to transmission pressure and the filling component of correspondence, a part for fiber optic communication unit is positioned at the 3rd cylinder arc body, whole arc bodies of fiber optic communication unit and the 3rd cylinder arc body contact, and fiber optic communication unit is mutually circumscribed with transmission pressure and filling component；When the surrounding of special-shaped packing gasket is adjacent filling component, first cylinder arc body of special-shaped packing gasket, the second cylinder arc body are close to filling component, a part for fiber optic communication unit is positioned at the 3rd cylinder arc body, whole arc bodies of fiber optic communication unit and the 3rd cylinder arc body contact, and fiber optic communication unit is mutually circumscribed with filling component；In projection in the plane of arbitrary axis perpendicular with optoelectrical cable, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding is on same circumference and the center of circle of this center of circle and reinforcement coincides；Transmission pressure is made up of conductor and the insulating barrier that is coated on outside conductor, and fiber optic communication unit is made up of optical fiber and the protection pipe that enveloped by optical fiber.
The manufacture method of the mixed structure optical cable with special-shaped packing gasket in this embodiment, basic with embodiment 4, one of difference is: also had the step of a making filling component before making the step of cable core, the step making filling component is: taking polyethylene or cable sheath extruded machine put into by polypropylene, extrusion molding is formed as transmission pressure diameter or substantially uniform-diameter filling component；And repeatable operation forms many filling components；It is: make in the step of cable core that at least filling component is replaced transmission pressure with the two of embodiment 4 difference.
The mixed structure optical cable with special-shaped packing gasket described in above-mentioned embodiment 4 or embodiment 5, it is characterised in that the material of described reinforcement is steel wire or polyethylene or polypropylene or fiberglass reinforced plastics.
The mixed structure optical cable with special-shaped packing gasket described in above-mentioned embodiment 4 or embodiment 5, it is characterised in that the material of main part of described filling component is polyethylene or polypropylene.
The mixed structure optical cable with special-shaped packing gasket described in above-mentioned embodiment 4 or embodiment 5, it is characterised in that the material of described protective layer is waterstop or non-woven fabrics or mica tape or polyester belt or aluminium strip or steel band or copper strips.
The mixed structure optical cable with special-shaped packing gasket described in above-mentioned embodiment 4 or embodiment 5, it is characterised in that the material of described restrictive coating is polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl.
The mixed structure optical cable with special-shaped packing gasket described in above-mentioned embodiment 4 or embodiment 5, it is characterised in that the material of described conductor is copper or aluminum or copper cover aluminum or copper-clad magnesium or aluminium in copper magnesium or aluminium alloy or magnesium alloy.
The mixed structure optical cable with special-shaped packing gasket described in above-mentioned embodiment 4 or embodiment 5, it is characterised in that the material of described insulating barrier is polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl.
The mixed structure optical cable with special-shaped packing gasket described in above-mentioned embodiment 4 or embodiment 5, it is characterised in that described optical fiber is single-mode fiber or multimode fibre.
Further, the mixed structure optical cable with special-shaped packing gasket described in above-mentioned embodiment 4 or embodiment 5, it is characterised in that described optical fiber is energy transmission optical fibre or G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type.
The mixed structure optical cable with special-shaped packing gasket described in above-mentioned embodiment 4 or embodiment 5, it is characterised in that the material of described protection pipe is modified polypropene or polybutylene terephthalate (PBT) or steel.
Special-shaped packing gasket in the present invention has that simple in construction, easily making, humidity, processing characteristics be excellent, resistance to compression restorability excellent beneficial effect excellent, ageing-resistant, elastic.
nullThe mixed structure optical cable with special-shaped packing gasket in the present invention，Owing to having used above-mentioned special-shaped packing gasket，In special-shaped packing gasket the arc length of the 3rd cylinder arc body not less than circle corresponding to this arc circumference 2/3 and the 3rd the arc length of cylinder arc body be not more than circle corresponding to this arc circumference 4/5，Therefore，Fiber optic communication unit is predominantly located in the 3rd cylinder arc body，Some is positioned at outside the 3rd cylinder arc body，Owing to special-shaped packing gasket has excellent elasticity and toughness，Therefore，Fiber optic communication unit can be made as the 3rd cylinder arc body the most slightly larger，In so fiber optic communication unit can be embedded into the 3rd cylinder arc body，Form tight fit，Will not be from the 3rd cylinder arc body effusion，Fiber optic communication unit and transmission pressure or special-shaped packing gasket simultaneously、Or transmission pressure and special-shaped packing gasket tangent，And protective layer is coated on outside cable core，And in the projection in the plane of arbitrary axis perpendicular with reinforcement，The circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding is on same circumference and the center of circle of this center of circle and reinforcement coincides，Therefore cable core、Protective layer more rounding、Optoelectrical cable outward appearance more rounding、Smooth；Special construction due to the present invention; therefore it is no longer necessary to the wrapping of yarn class material; both provided cost savings, and there is not yarn class material and transmission pressure when variations in temperature, protection tube material is because of temperature shrinkage/expand different and prick bad transmission wire, protection pipe, and then affects the defect of optical cable performance；Owing to fiber optic communication unit is arranged in the 3rd cylinder arc body dexterously, even therefore the long-pending transmission of electricity in big current-carrying capacity, heavy in section lead to, it is not required that make large-sized protection pipe, provide cost savings, make protection pipe more general simultaneously；Due in the present invention; special-shaped packing gasket, transmission pressure, reinforcement are actually parallel mode and arrange; and without yarn class binder; therefore after workmen's stripping optical cable; it is no longer necessary to cut off yarn class binder, take out corresponding special-shaped packing gasket; stripping out protection pipe the most lightly, can realize protecting pipe to separate with special-shaped packing gasket, construction is quite convenient, in hgher efficiency.
In the present invention, gasket for packing body or little gasket for packing body can also have different colors, and such light unit and transmission pressure can not have color, also can identify easily, so can make speed of production faster, the versatility of light unit and transmission pressure higher；Namely the material of gasket for packing body or little gasket for packing body can increase Masterbatch material, described Masterbatch can be polyethylene color masterbatch, and weight is gasket for packing body or the 1%～2% of little gasket for packing other material of body.
Therefore, the Advantageous Effects such as the mixed structure optical cable with special-shaped packing gasket of the present invention has that simple in construction, cost be lower, more excellent performance, construction are more convenient.
Having the mixed structure optical cable of special-shaped packing gasket in the present invention, its manufacture method is simple, easily grasp, the production equipment kind that used is few, and space hold is few, cost puts into low.
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 (6)

1. there is the mixed structure optical cable of special-shaped packing gasket, it include reinforcement, be positioned at many transmission pressures outside reinforcement and at least filling component essentially identical with transmission pressure diameter, be positioned in adjacent transmission pressure external series gap or be positioned in the external series gap of adjacent filling component or be positioned at the restrictive coating that adjacent transmission pressure is coated on outside protective layer with the fiber optic communication unit in filling component external series gap, protective layer transmission pressure, filling component and fiber optic communication unit enveloped, extrusion molding；Reinforcement is tangent with transmission pressure or arranges the most with gap, and reinforcement is tangent with filling component or arranges the most with gap；It is characterized in that in described adjacent transmission pressure external series gap or in the external series gap of adjacent filling component or adjacent transmission pressure has special-shaped packing gasket in filling component external series gap, described special-shaped packing gasket includes rope body, described rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body connects one end of the 3rd cylinder arc body, the other end of the 3rd cylinder arc body connects one end of the second cylinder arc body, one end of 4th cylinder arc body connects one end of the first cylinder arc body, and the other end of the 4th cylinder arc body connects the other end of the second cylinder arc body；First cylinder arc body, the second cylinder arc body, the 3rd cylinder arc body, the bending of the 4th cylinder arc body are in the same direction；First cylinder arc body and the equal diameters of the second cylinder arc body, arc length are equal；First cylinder arc body, both the second cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；3rd cylinder arc body, both the 4th cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；The arc length of the 3rd cylinder arc body not less than circle corresponding to this arc circumference 2/3 and the 3rd the arc length of cylinder arc body be not more than circle corresponding to this arc circumference 4/5；Protective layer is positioned at outside special-shaped packing gasket; when the surrounding of special-shaped packing gasket is adjacent transmission pressure; first cylinder arc body of special-shaped packing gasket, the second cylinder arc body are close to transmission pressure; a part for fiber optic communication unit is positioned at the 3rd cylinder arc body; whole arc bodies of fiber optic communication unit and the 3rd cylinder arc body contact, and fiber optic communication unit is mutually circumscribed with transmission pressure；When the surrounding of special-shaped packing gasket is adjacent transmission pressure and filling component, first cylinder arc body of special-shaped packing gasket, the second cylinder arc body are close to transmission pressure and the filling component of correspondence, a part for fiber optic communication unit is positioned at the 3rd cylinder arc body, whole arc bodies of fiber optic communication unit and the 3rd cylinder arc body contact, and fiber optic communication unit is mutually circumscribed with transmission pressure and filling component；When the surrounding of special-shaped packing gasket is adjacent filling component, first cylinder arc body of special-shaped packing gasket, the second cylinder arc body are close to filling component, a part for fiber optic communication unit is positioned at the 3rd cylinder arc body, whole arc bodies of fiber optic communication unit and the 3rd cylinder arc body contact, and fiber optic communication unit is mutually circumscribed with filling component；In projection in the plane of arbitrary axis perpendicular with optoelectrical cable, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding is on same circumference and the center of circle of this center of circle and reinforcement coincides；Transmission pressure is made up of conductor and the insulating barrier that is coated on outside conductor, and fiber optic communication unit is made up of optical fiber and the protection pipe that enveloped by optical fiber；The material of main part of described filling component is polyethylene or polypropylene；The 1/2 or 1/3 or 1/4 or 1/5 or 1/6 or 1/7 or 1/8 or 1/9 or 1/10 or 1/11 or 1/12 of the circumference of the circle that arc this arc a length of of the 4th cylinder arc body of described special-shaped packing gasket is corresponding；The material of the rope body of described special-shaped packing gasket is by weight, it is made up of following raw material: polypropylene: 40～60 parts, when 200 DEG C, oxidation induction period is [32, 40] Low Density Polyethylene: 20～30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2～1.6g/10min: 10～20 parts, polybutylene terephthalate (PBT): 8～12 parts, nylon 6 or nylon66 fiber: 8～12 parts, dibutyl phthalate: 2～4 parts, commercially available model is the plastics antioxidant of 1010 or plastics antioxidant that commercially available model is 168: 1～3 part, aluminium hydroxide: 10～15 parts, Tissuemat E: 2～4 parts.
2. there is the mixed structure optical cable of special-shaped packing gasket, it include reinforcement, be positioned at many transmission pressures outside reinforcement and at least filling component essentially identical with transmission pressure diameter, be positioned in adjacent transmission pressure external series gap or be positioned in the external series gap of adjacent filling component or be positioned at the restrictive coating that adjacent transmission pressure is coated on outside protective layer with the fiber optic communication unit in filling component external series gap, protective layer transmission pressure, filling component and fiber optic communication unit enveloped, extrusion molding；Reinforcement is tangent with transmission pressure or arranges the most with gap, and reinforcement is tangent with filling component or arranges the most with gap；It is characterized in that in described adjacent transmission pressure external series gap or in the external series gap of adjacent filling component or adjacent transmission pressure has special-shaped packing gasket in filling component external series gap, described special-shaped packing gasket includes rope body, described rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body connects one end of the 3rd cylinder arc body, the other end of the 3rd cylinder arc body connects one end of the second cylinder arc body, one end of 4th cylinder arc body connects one end of the first cylinder arc body, and the other end of the 4th cylinder arc body connects the other end of the second cylinder arc body；First cylinder arc body, the second cylinder arc body, the 3rd cylinder arc body, the bending of the 4th cylinder arc body are in the same direction；First cylinder arc body and the equal diameters of the second cylinder arc body, arc length are equal；First cylinder arc body, both the second cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；3rd cylinder arc body, both the 4th cylinder arc bodies are symmetrical with the line in the 4th center of circle, cylinder arc body place about the 3rd center of circle, cylinder arc body place；The arc length of the 3rd cylinder arc body not less than circle corresponding to this arc circumference 2/3 and the 3rd the arc length of cylinder arc body be not more than circle corresponding to this arc circumference 4/5；Protective layer is positioned at outside special-shaped packing gasket; when the surrounding of special-shaped packing gasket is adjacent transmission pressure; first cylinder arc body of special-shaped packing gasket, the second cylinder arc body are close to transmission pressure; a part for fiber optic communication unit is positioned at the 3rd cylinder arc body; whole arc bodies of fiber optic communication unit and the 3rd cylinder arc body contact, and fiber optic communication unit is mutually circumscribed with transmission pressure；When the surrounding of special-shaped packing gasket is adjacent transmission pressure and filling component, first cylinder arc body of special-shaped packing gasket, the second cylinder arc body are close to transmission pressure and the filling component of correspondence, a part for fiber optic communication unit is positioned at the 3rd cylinder arc body, whole arc bodies of fiber optic communication unit and the 3rd cylinder arc body contact, and fiber optic communication unit is mutually circumscribed with transmission pressure and filling component；When the surrounding of special-shaped packing gasket is adjacent filling component, first cylinder arc body of special-shaped packing gasket, the second cylinder arc body are close to filling component, a part for fiber optic communication unit is positioned at the 3rd cylinder arc body, whole arc bodies of fiber optic communication unit and the 3rd cylinder arc body contact, and fiber optic communication unit is mutually circumscribed with filling component；In projection in the plane of arbitrary axis perpendicular with optoelectrical cable, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding is on same circumference and the center of circle of this center of circle and reinforcement coincides；Transmission pressure is made up of conductor and the insulating barrier that is coated on outside conductor, and fiber optic communication unit is made up of optical fiber and the protection pipe that enveloped by optical fiber；The material of main part of described filling component is polyethylene or polypropylene；The 1/2 or 1/3 or 1/4 or 1/5 or 1/6 or 1/7 or 1/8 or 1/9 or 1/10 or 1/11 or 1/12 of the circumference of the circle that arc this arc a length of of the 4th cylinder arc body of described special-shaped packing gasket is corresponding；The 1/2 or 1/3 or 1/4 of the circumference of the circle that arc this arc a length of of the first cylinder arc body of described special-shaped packing gasket is corresponding；The material of the rope body of described special-shaped packing gasket is by weight, it is made up of following raw material: polypropylene: 40～60 parts, when 200 DEG C, oxidation induction period is [32, 40] Low Density Polyethylene: 20～30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2～1.6g/10min: 10～20 parts, polybutylene terephthalate (PBT): 8～12 parts, nylon 6 or nylon66 fiber: 8～12 parts, dibutyl phthalate: 2～4 parts, commercially available model is the plastics antioxidant of 1010 or plastics antioxidant that commercially available model is 168: 1～3 part, aluminium hydroxide: 10～15 parts, Tissuemat E: 2～4 parts.
3. according to the mixed structure optical cable with special-shaped packing gasket described in claim 1 or claim 2, it is characterised in that the material of described reinforcement is steel wire or polyethylene or polypropylene or fiberglass reinforced plastics；The material of described protective layer is waterstop or non-woven fabrics or mica tape or polyester belt or aluminium strip or steel band or copper strips；The material of described restrictive coating is polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl；The material of described conductor is copper or aluminum or copper cover aluminum or copper-clad magnesium or aluminium in copper magnesium or aluminium alloy or magnesium alloy.
The mixed structure optical cable with special-shaped packing gasket the most according to claim 3, it is characterised in that the material of described insulating barrier is polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl.
The mixed structure optical cable with special-shaped packing gasket the most according to claim 4, it is characterised in that described optical fiber is single-mode fiber or multimode fibre；The material of described protection pipe is modified polypropene or polybutylene terephthalate (PBT) or steel.
The mixed structure optical cable with special-shaped packing gasket the most according to claim 5, it is characterised in that described optical fiber is energy transmission optical fibre or G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type.
CN201610299722.0A 2015-03-10 2015-03-31 Hybrid-structure optical cable with abnormal-shaped gasket for packing Pending CN105825929A (en)

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CN201610427954.XA Pending CN105957582A (en) 2015-03-10 2015-03-31 Photoelectric comprehensive cable using optical fibers
CN201610425102.7A Withdrawn CN106158126A (en) 2015-03-10 2015-03-31 Optoelectrical cable
CN201610212466.7A Pending CN105869761A (en) 2015-03-10 2015-03-31 Optical fiber and power composite integrated cable with irregular-shaped filling rope
CN201510147057.9A Active CN104715852B (en) 2015-03-10 2015-03-31 There is the optoelectrical cable of special-shaped packing gasket
CN201610212455.9A Pending CN105702360A (en) 2015-03-10 2015-03-31 Power and communication sharing photoelectric comprehensive cable with special-shaped filling rope
CN201610391016.9A Withdrawn CN106098201A (en) 2015-03-10 2015-03-31 A kind of optoelectrical cable using optical fiber
CN201610392992.6A Withdrawn CN106033689A (en) 2015-03-10 2015-03-31 Optic and electric composite cable capable of achieving construction conveniently
CN201610299719.9A Pending CN105741960A (en) 2015-03-10 2015-03-31 Power cable
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CN201610299722.0A Pending CN105825929A (en) 2015-03-10 2015-03-31 Hybrid-structure optical cable with abnormal-shaped gasket for packing
CN201610425096.5A Withdrawn CN106024159A (en) 2015-03-10 2015-03-31 Photoelectric comprehensive cable adopting optical fibers
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CN201610427954.XA Pending CN105957582A (en) 2015-03-10 2015-03-31 Photoelectric comprehensive cable using optical fibers
CN201610425102.7A Withdrawn CN106158126A (en) 2015-03-10 2015-03-31 Optoelectrical cable
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CN201510147057.9A Active CN104715852B (en) 2015-03-10 2015-03-31 There is the optoelectrical cable of special-shaped packing gasket
CN201610212455.9A Pending CN105702360A (en) 2015-03-10 2015-03-31 Power and communication sharing photoelectric comprehensive cable with special-shaped filling rope
CN201610391016.9A Withdrawn CN106098201A (en) 2015-03-10 2015-03-31 A kind of optoelectrical cable using optical fiber
CN201610392992.6A Withdrawn CN106033689A (en) 2015-03-10 2015-03-31 Optic and electric composite cable capable of achieving construction conveniently
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CN106158127A (en) 2016-11-23
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CN105957611A (en) 2016-09-21

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Application publication date: 20160803