CN105741960A - Power cable - Google Patents

Power cable Download PDF

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Publication number
CN105741960A
CN105741960A CN201610299719.9A CN201610299719A CN105741960A CN 105741960 A CN105741960 A CN 105741960A CN 201610299719 A CN201610299719 A CN 201610299719A CN 105741960 A CN105741960 A CN 105741960A
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China
Prior art keywords
cylinder arc
arc body
cylinder
special
communication unit
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Pending
Application number
CN201610299719.9A
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Chinese (zh)
Inventor
蒋菊生
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Individual
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Individual
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Publication of CN105741960A publication Critical patent/CN105741960A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—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
    • 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)

Abstract

The invention belongs to the technical field of cables and especially relates to a power cable. The power cable comprises a reinforcing member, a plurality of power transmission wires which are arranged outside the reinforcing member and are successively tangential or arranged at small intervals, optical fiber communication units which are respectively arranged in an external interval between adjacent power transmission wires, a protection layer covering the power transmission wires and the optical fiber communication units, and a sheath layer extruded outside the protection layer and covering the protection layer. The power cable is characterized in that a heterotype filling rope is arranged in the external interval between the adjacent power transmission wires, the optical fiber communication units are clamped in the heterotype filling ropes. The heterotype filling ropes are made of a special material. The power cable has the advantages that the structure is simple, the cost is lower, the performance is better, and the construction is more convenient.

Description

A kind of power cable
The application is that name is called: have the optoelectrical cable of special-shaped packing gasket, the applying date is: on 03 31st, 2015, application number be: the divisional application of the application for a patent for invention of 201510147057.9；Application number is: the application for a patent for invention of 201510147057.9 require that application number is: 201510103921.5, the applying date is: 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 a kind of power cable.
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, holding fibre-optic Loose tube also needs to make large scale, which increases cost；(2) wire and the stranded formation cable core of Loose tube, adopts the wrapping of yarn class material, it is easy to prick bad Loose tube outside cable core, 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) mode that wire and Loose tube are stranded is adopted, it is not easy to take out Loose tube, need before taking-up to cut open wrapper material, it is easy to damage cable core, not easily recover；And Loose tube takes out and bothers very much.
In view of drawbacks described above, operator and manufacture commercial city expect there is better 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 a kind of power cables disclosing and using this special-shaped packing gasket；The three of the purpose of the present invention are the manufacture methods disclosing power 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 4th cylinder arc body bending be 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 be not less than the circumference of circle corresponding to this arc 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 of the circumference that arc length degree is the circle that this arc is corresponding of described 4th cylinder arc body 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.
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 that arc length degree is the circle that this arc is corresponding of described first cylinder arc body.
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 4th cylinder arc body bending be 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 be not less than the circumference of circle corresponding to this arc 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 the central axis of special-shaped packing gasket, the junction point of one end of the other end of all first cylinder arc bodies and the junction point of one end of the 3rd cylinder arc body, the other end of all 3rd cylinder arc bodies and the second 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.
A kind of power cable, it includes reinforcement, be arranged in outside reinforcement and tangent successively or that slightly gap is placed many transmission pressures, be positioned at the fiber optic communication unit of adjacent transmission pressure external series gap, restrictive coating that protective layer transmission pressure and fiber optic communication unit enveloped, extrusion molding are coated on outside protective layer；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 slightly arranges with gap；Arbitrary with in the projection in the plane of the axis perpendicular of optoelectrical cable, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding on same circumference and the center of circle of this center of circle and reinforcement coincide；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, a kind of power cable described above, it is characterised in that in described many transmission pressures, has at least a transmission pressure to be substituted by the filling component essentially identical with transmission pressure diameter.
A kind of power cable, it includes reinforcement, is arranged in many transmission pressures outside reinforcement and has at least a filling component essentially identical with transmission pressure diameter, is arranged in adjacent transmission pressure external series gap or is arranged in the external series gap of adjacent filling component or is positioned at the restrictive coating that adjacent transmission pressure is coated on outside protective layer with the fiber optic communication unit of 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 slightly arranges with gap, and reinforcement is tangent with filling component or slightly arranges 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 in adjacent transmission pressure and filling component external series gap, there is any one special-shaped packing gasket described above, 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；Arbitrary with in the projection in the plane of the axis perpendicular of optoelectrical cable, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding on same circumference and the center of circle of this center of circle and reinforcement coincide；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.
A kind of power cable described above, it is characterised in that the material of described reinforcement is steel wire or polyethylene or polypropylene or fiberglass reinforced plastics.
A kind of power cable described above, it is characterised in that the material of main part of described filling component is polyethylene or polypropylene.
A kind of power cable 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.
A kind of power cable 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.
A kind of power cable 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.
A kind of power cable 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.
A kind of power cable described above, it is characterised in that described optical fiber is single-mode fiber or multimode fibre.
Further, a kind of power cable 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.
A kind of power cable 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 a kind of method making power cable, 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；G.652 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 are inserted in the protection pipe of sky to take many; spray with the pressure of 0.2～0.4bar in empty protection pipe simultaneously and add the fine cream that model is LT-410 or 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 rope body 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 4th cylinder arc body bending be 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 be not less than the circumference of circle corresponding to this arc 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 of the circumference that arc length degree is the circle that this arc is corresponding of described 4th cylinder arc body 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；The 1/2 or 1/3 or 1/4 of the circumference that arc length degree is the circle that this arc is corresponding of described first cylinder arc body；Repeat the above steps forms many special-shaped packing gaskets；
Make the step of the special-shaped packing gasket of compound: 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 make whole arc bodies that a part for fiber optic communication unit is positioned at the 3rd cylinder arc body, fiber optic communication unit and the 3rd cylinder arc body contact；Repeat the above steps forms the special-shaped packing gasket of many compounds；
Make the step of cable core: take the many transmission pressures made, the special-shaped packing gasket of many compounds and reinforcement, by tangent successively for many transmission pressures or be placed on outside reinforcement slightly with gap, make reinforcement and transmission pressure tangent or slightly place with gap；The special-shaped packing gasket of every compound is placed in adjacent transmission pressure external series gap and makes fiber optic communication unit is mutually circumscribed with adjacent transmission pressure, the first cylinder arc body of special-shaped packing gasket of compound, the second cylinder arc body are close to transmission pressure, arbitrary with in the projection in the plane of the axis perpendicular of reinforcement, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding on same circumference and the center of circle of this center of circle and reinforcement coincide；Form cable core；
Make the step of a kind of power cable of finished product: 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 a kind of power cable.
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.
nullA kind of power cable 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 be not less than the circumference of circle corresponding to this arc 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，There is excellent elasticity and toughness due to special-shaped packing gasket，Therefore，Fiber optic communication unit can be made the same with the 3rd cylinder arc body big even slightly larger，Such fiber optic communication unit can be embedded in the 3rd cylinder arc body，Form tight fit，Will not overflow from the 3rd cylinder arc body，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 arbitrary with in the projection in the plane of the axis perpendicular of reinforcement，The circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding on same circumference and the center of circle of this center of circle and reinforcement coincide，Therefore cable core、Protective layer is rounding more、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 be absent from 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; then stripping out protection pipe lightly, can realize separating of protection pipe and special-shaped packing gasket, construction is quite convenient, in hgher efficiency.
Therefore, a kind of power cable of the present invention has the Advantageous Effects such as simple in construction, lower in cost, more excellent performance, construction be 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 Fig. 1 cross-sectional structure schematic diagram amplified.
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 a kind of power cable in the present invention.
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 4th cylinder arc body bending be 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 be not less than the circumference of circle corresponding to this arc 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 of the circumference that arc length degree is the circle that this arc is corresponding of described 4th cylinder arc body 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.
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 that arc length degree is the circle that this arc is corresponding of described first cylinder arc body.
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 4th cylinder arc body bending be 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 be not less than the circumference of circle corresponding to this arc 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 the central axis of special-shaped packing gasket, the junction point of one end of the other end of all first cylinder arc bodies and the junction point of one end of the 3rd cylinder arc body, the other end of all 3rd cylinder arc bodies and the second 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, being different in that it is formed by four little extrusion moldings of structure gasket for packing body, 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 4th cylinder arc body bending be 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 be not less than the circumference of circle corresponding to this arc 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 the central axis of special-shaped packing gasket, the junction point of one end of the other end of all first cylinder arc bodies and the junction point of one end of the 3rd cylinder arc body, the other end of all 3rd cylinder arc bodies and the second 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 best: 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# all adopts polyacrylic formula, and 6# is the formula all adopting 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；A kind of power cable, it includes reinforcement 3, be arranged in outside reinforcement and tangent successively or that slightly gap is placed four transmission pressures 1, be positioned at the fiber optic communication unit 2 of adjacent transmission pressure external series gap, restrictive coating 6 that the protective layer 5 transmission pressure and fiber optic communication unit enveloped, extrusion molding are coated on outside protective layer；It is characterized in that the special-shaped packing gasket 4 described in arbitrary embodiment in described adjacent transmission pressure external series gap with 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 slightly arranges with gap；Arbitrary with in the projection in the plane of the axis perpendicular of optoelectrical cable, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding on same circumference and the center of circle of this center of circle and reinforcement coincide；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, a kind of power cable described above, it is characterised in that described transmission pressure is not limited to four, also can be other many.
A kind of a kind of method making power cable, 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；G.652 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 are inserted in the protection pipe of sky to take many; spray with the pressure of 0.2～0.4bar in empty protection pipe simultaneously and add the fine cream that model is LT-410 or 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 rope body 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 4th cylinder arc body bending be 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 be not less than the circumference of circle corresponding to this arc 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 of the circumference that arc length degree is the circle that this arc is corresponding of described 4th cylinder arc body 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；The 1/2 or 1/3 or 1/4 of the circumference that arc length degree is the circle that this arc is corresponding of described first cylinder arc body；Repeat the above steps forms many special-shaped packing gaskets；
Make the step of the special-shaped packing gasket of compound: 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 make whole arc bodies that a part for fiber optic communication unit is positioned at the 3rd cylinder arc body, fiber optic communication unit and the 3rd cylinder arc body contact；Repeat the above steps forms the special-shaped packing gasket of many compounds；
Make the step of cable core: take the many transmission pressures made, the special-shaped packing gasket of many compounds and reinforcement, by tangent successively for many transmission pressures or be placed on outside reinforcement slightly with gap, make reinforcement and transmission pressure tangent or slightly place with gap；The special-shaped packing gasket of every compound is placed in adjacent transmission pressure external series gap and makes fiber optic communication unit is mutually circumscribed with adjacent transmission pressure, the first cylinder arc body of special-shaped packing gasket of compound, the second cylinder arc body are close to transmission pressure, arbitrary with in the projection in the plane of the axis perpendicular of reinforcement, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding on same circumference and the center of circle of this center of circle and reinforcement coincide；Form cable core；
Make the step of a kind of power cable of finished product: 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 a kind of power cable.
A kind of a kind of method making power cable, 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；G.652 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 are inserted in the protection pipe of sky to take many; spray with the pressure of 0.2～0.4bar in empty protection pipe simultaneously and add the fine cream that model is LT-410 or 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 4th cylinder arc body bending be 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 be not less than the circumference of circle corresponding to this arc 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 the central axis of special-shaped packing gasket, the junction point of one end of the other end of all first cylinder arc bodies and the junction point of one end of the 3rd cylinder arc body, the other end of all 3rd cylinder arc bodies and the second cylinder arc body, all on same circumference；The 1/2 of the circumference that arc length degree is the circle that this arc is corresponding of described 4th cylinder arc body 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；The 1/2 or 1/3 or 1/4 of the circumference that arc length degree is the circle that this arc is corresponding of described first cylinder arc body；
Make the step of the special-shaped packing gasket of compound: 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 make whole arc bodies that a part for fiber optic communication unit is 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, the special-shaped packing gasket of many compounds 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 slightly place with gap；Adjacent transmission pressure is tangent successively or is placed on outside reinforcement slightly with gap, 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 arbitrary with in the projection in the plane of the axis perpendicular of reinforcement, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding on same circumference and the center of circle of this center of circle and reinforcement coincide；Form cable core；
Make the step of a kind of power cable of finished product: 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 a kind of power cable.
Embodiment 5
Refer to Fig. 1 to Fig. 6；A kind of power cable, it includes reinforcement, is arranged in many transmission pressures outside reinforcement and has at least a filling component essentially identical with transmission pressure diameter, is arranged in adjacent transmission pressure external series gap or is arranged in the external series gap of adjacent filling component or is positioned at the restrictive coating that adjacent transmission pressure is coated on outside protective layer with the fiber optic communication unit of 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 slightly arranges with gap, and reinforcement is tangent with filling component or slightly arranges 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 in adjacent transmission pressure and filling component external series gap, there is any one special-shaped packing gasket described above, 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；Arbitrary with in the projection in the plane of the axis perpendicular of optoelectrical cable, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding on same circumference and the center of circle of this center of circle and reinforcement coincide；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 a kind of power cable 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: take polyethylene or cable sheath extruded machine put into by polypropylene, and extrusion molding forms the filling component the same or substantially uniform-diameter with transmission pressure diameter；And repeatable operation forms many filling components；With the two of embodiment 4 difference it is: make in the step of cable core, at least one filling component is replaced transmission pressure.
A kind of power cable 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.
A kind of power cable 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.
A kind of power cable 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.
A kind of power cable 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.
A kind of power cable 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.
A kind of power cable 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.
A kind of power cable 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, a kind of power cable 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.
A kind of power cable 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.
nullA kind of power cable 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 be not less than the circumference of circle corresponding to this arc 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，There is excellent elasticity and toughness due to special-shaped packing gasket，Therefore，Fiber optic communication unit can be made the same with the 3rd cylinder arc body big even slightly larger，Such fiber optic communication unit can be embedded in the 3rd cylinder arc body，Form tight fit，Will not overflow from the 3rd cylinder arc body，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 arbitrary with in the projection in the plane of the axis perpendicular of reinforcement，The circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding on same circumference and the center of circle of this center of circle and reinforcement coincide，Therefore cable core、Protective layer is rounding more、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 be absent from 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; then stripping out protection pipe lightly, can realize separating of protection pipe and 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 the 1%～2% of gasket for packing body or little gasket for packing other material of body.
Therefore, a kind of power cable of the present invention has the Advantageous Effects such as simple in construction, lower in cost, more excellent performance, construction be more convenient.
A kind of power cable in the present invention, its manufacture method is simple, easily grasp, the production equipment kind that uses 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 (9)

1. a power cable, it includes reinforcement, is arranged in many transmission pressures outside reinforcement and has at least a filling component essentially identical with transmission pressure diameter, is arranged in adjacent transmission pressure external series gap or is arranged in the external series gap of adjacent filling component or is positioned at the restrictive coating that adjacent transmission pressure is coated on outside protective layer with the fiber optic communication unit of 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 slightly arranges with gap, and reinforcement is tangent with filling component or slightly arranges 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 in adjacent transmission pressure and filling component external series gap, there is special-shaped packing gasket, 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 4th cylinder arc body bending be 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 be not less than the circumference of circle corresponding to this arc 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；Arbitrary with in the projection in the plane of the axis perpendicular of optoelectrical cable, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding on same circumference and the center of circle of this center of circle and reinforcement coincide；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 of the circumference that arc length degree is the circle that this arc is corresponding of the 4th cylinder arc body of described special-shaped packing gasket 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；The material of the rope body of described special-shaped packing gasket is by weight, be made up of following raw material: polypropylene: when 40 parts, 200 DEG C, oxidation induction period is the Low Density Polyethylene of [32,40]: 25 parts, melt flow rate (MFR) be 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 be the plastics antioxidant of 1010 or plastics antioxidant that commercially available model is 168: 1 part, aluminium hydroxide: 10 parts, Tissuemat E: 2 parts.
2. a power cable, it includes reinforcement, is arranged in many transmission pressures outside reinforcement and has at least a filling component essentially identical with transmission pressure diameter, is arranged in adjacent transmission pressure external series gap or is arranged in the external series gap of adjacent filling component or is positioned at the restrictive coating that adjacent transmission pressure is coated on outside protective layer with the fiber optic communication unit of 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 slightly arranges with gap, and reinforcement is tangent with filling component or slightly arranges 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 in adjacent transmission pressure and filling component external series gap, there is special-shaped packing gasket, 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 4th cylinder arc body bending be 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 be not less than the circumference of circle corresponding to this arc 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；Arbitrary with in the projection in the plane of the axis perpendicular of optoelectrical cable, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding on same circumference and the center of circle of this center of circle and reinforcement coincide；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 of the circumference that arc length degree is the circle that this arc is corresponding of the 4th cylinder arc body of described special-shaped packing gasket 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；The material of the rope body of described special-shaped packing gasket is by weight, be made up of following raw material: polypropylene: when 60 parts, 200 DEG C, oxidation induction period is the Low Density Polyethylene of [32,40]: 20 parts, melt flow rate (MFR) be 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 be the plastics antioxidant of 1010 or plastics antioxidant that commercially available model is 168: 3 parts, aluminium hydroxide: 15 parts, Tissuemat E: 4 parts.
3. a power cable, it includes reinforcement, is arranged in many transmission pressures outside reinforcement and has at least a filling component essentially identical with transmission pressure diameter, is arranged in adjacent transmission pressure external series gap or is arranged in the external series gap of adjacent filling component or is positioned at the restrictive coating that adjacent transmission pressure is coated on outside protective layer with the fiber optic communication unit of 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 slightly arranges with gap, and reinforcement is tangent with filling component or slightly arranges 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 in adjacent transmission pressure and filling component external series gap, there is special-shaped packing gasket, 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 4th cylinder arc body bending be 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 be not less than the circumference of circle corresponding to this arc 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；Arbitrary with in the projection in the plane of the axis perpendicular of optoelectrical cable, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding on same circumference and the center of circle of this center of circle and reinforcement coincide；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 of the circumference that arc length degree is the circle that this arc is corresponding of the 4th cylinder arc body of described special-shaped packing gasket 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；The 1/2 or 1/3 or 1/4 of the circumference that arc length degree is the circle that this arc is corresponding of the first cylinder arc body of described special-shaped packing gasket；The material of the rope body of described special-shaped packing gasket is by weight, be made up of following raw material: polypropylene: when 60 parts, 200 DEG C, oxidation induction period is the Low Density Polyethylene of [32,40]: 20 parts, melt flow rate (MFR) be 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 be the plastics antioxidant of 1010 or plastics antioxidant that commercially available model is 168: 3 parts, aluminium hydroxide: 15 parts, Tissuemat E: 4 parts.
4. a kind of power cable according to claim 1 or claim 2 or claim 3, it is characterised in that the material of described reinforcement is steel wire or polyethylene or polypropylene or fiberglass reinforced plastics.
5. a kind of power cable according to claim 4, 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.
6. a kind of power cable according to claim 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 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.
7. a kind of power cable according to claim 6, 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.
8. a kind of power cable according to claim 7, 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.
9. a kind of power cable according to claim 8, 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.
CN201610299719.9A 2015-03-10 2015-03-31 Power cable Pending CN105741960A (en)

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CN201510103921 2015-03-10

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CN201610425096.5A Withdrawn CN106024159A (en) 2015-03-10 2015-03-31 Photoelectric comprehensive cable adopting optical fibers
CN201610299721.6A Pending CN105788741A (en) 2015-03-10 2015-03-31 Optical cable for simultaneous transmission of power and optical signal
CN201610299722.0A Pending CN105825929A (en) 2015-03-10 2015-03-31 Hybrid-structure optical cable with abnormal-shaped gasket for packing
CN201610425126.2A Withdrawn CN106158127A (en) 2015-03-10 2015-03-31 A kind of optoelectrical cable
CN201610423368.8A Pending CN106024158A (en) 2015-03-10 2015-03-31 Convenient-to-construct photoelectric composite cable
CN201610392992.6A Withdrawn CN106033689A (en) 2015-03-10 2015-03-31 Optic and electric composite cable capable of achieving construction conveniently
CN201610212455.9A Pending CN105702360A (en) 2015-03-10 2015-03-31 Power and communication sharing photoelectric comprehensive cable with special-shaped filling rope
CN201610425102.7A Withdrawn CN106158126A (en) 2015-03-10 2015-03-31 Optoelectrical cable
CN201610212467.1A Pending CN105869762A (en) 2015-03-10 2015-03-31 Integrated optical cable with irregular-shaped filling rope
CN201610431204.XA Withdrawn CN105957611A (en) 2015-03-10 2015-03-31 Convenient-to-construct photoelectric integrated cable
CN201610427954.XA Pending CN105957582A (en) 2015-03-10 2015-03-31 Photoelectric comprehensive cable using optical fibers
CN201610212466.7A Pending CN105869761A (en) 2015-03-10 2015-03-31 Optical fiber and power composite integrated cable with irregular-shaped filling rope
CN201610299719.9A Pending CN105741960A (en) 2015-03-10 2015-03-31 Power cable
CN201510147057.9A Active CN104715852B (en) 2015-03-10 2015-03-31 There is the optoelectrical cable of special-shaped packing gasket
CN201610391016.9A Withdrawn CN106098201A (en) 2015-03-10 2015-03-31 A kind of optoelectrical cable using optical fiber

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CN201610425096.5A Withdrawn CN106024159A (en) 2015-03-10 2015-03-31 Photoelectric comprehensive cable adopting optical fibers
CN201610299721.6A Pending CN105788741A (en) 2015-03-10 2015-03-31 Optical cable for simultaneous transmission of power and optical signal
CN201610299722.0A Pending CN105825929A (en) 2015-03-10 2015-03-31 Hybrid-structure optical cable with abnormal-shaped gasket for packing
CN201610425126.2A Withdrawn CN106158127A (en) 2015-03-10 2015-03-31 A kind of optoelectrical cable
CN201610423368.8A Pending CN106024158A (en) 2015-03-10 2015-03-31 Convenient-to-construct photoelectric composite cable
CN201610392992.6A Withdrawn CN106033689A (en) 2015-03-10 2015-03-31 Optic and electric composite cable capable of achieving construction conveniently
CN201610212455.9A Pending CN105702360A (en) 2015-03-10 2015-03-31 Power and communication sharing photoelectric comprehensive cable with special-shaped filling rope
CN201610425102.7A Withdrawn CN106158126A (en) 2015-03-10 2015-03-31 Optoelectrical cable
CN201610212467.1A Pending CN105869762A (en) 2015-03-10 2015-03-31 Integrated optical cable with irregular-shaped filling rope
CN201610431204.XA Withdrawn CN105957611A (en) 2015-03-10 2015-03-31 Convenient-to-construct photoelectric integrated cable
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CN105957582A (en) 2016-09-21
CN106158126A (en) 2016-11-23
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CN106033689A (en) 2016-10-19
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CN104715852B (en) 2016-08-17
CN105869761A (en) 2016-08-17
CN105957611A (en) 2016-09-21
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CN105702360A (en) 2016-06-22
CN106024158A (en) 2016-10-12

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