CN107170534A - A kind of method for manufacturing magnaflux low weight optoelectronic composite cable - Google Patents

A kind of method for manufacturing magnaflux low weight optoelectronic composite cable Download PDF

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Publication number
CN107170534A
CN107170534A CN201710366944.4A CN201710366944A CN107170534A CN 107170534 A CN107170534 A CN 107170534A CN 201710366944 A CN201710366944 A CN 201710366944A CN 107170534 A CN107170534 A CN 107170534A
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diameter
inner wire
outside
low weight
insulating layer
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CN107170534B (en
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袁红
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Yangzhou Haihong Cable Co ltd
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Changshu Mdt Infotech Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • 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
    • H01B13/02—Stranding-up
    • 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
    • H01B13/06—Insulating conductors or cables
    • H01B13/14—Insulating conductors or cables by extrusion
    • 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
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • 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
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
    • 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
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/08—Several wires or the like stranded in the form of a rope
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H01B7/0208—Cables with several layers of insulating material
    • H01B7/0216—Two layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Communication Cables (AREA)
  • Ropes Or Cables (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention belongs to aeronautical material and optoelectronic composite cable technical field, more particularly, to a kind of method for manufacturing magnaflux low weight optoelectronic composite cable, it is characterised in that it is to have steps of：The step of releasing optical fiber；The step of forming inner wire；The step of forming inner insulating layer；The step of forming outer conductor；The step of forming external insulation layer；The step of forming stretch-proof restrictive coating.Present invention further teaches the special material of the structure of the optoelectronic composite cable and inner and outer conductor.The present invention has following main advantageous effects：Lightweight, external diameter is small, stretching resistance is big, resistance to elevated temperatures is good, anti-twisting property is strong, easily fabricated, product qualified rate is light.

Description

A kind of method for manufacturing magnaflux low weight optoelectronic composite cable
The application is entitled：A kind of manufacture method of magnaflux low weight optoelectronic composite cable, the applying date be： October 25, Application No. in 2016：201610940456.5 application for a patent for invention divisional application.
Technical field
It is low heavy more particularly, to a kind of magnaflux the invention belongs to aeronautical material and optoelectronic composite cable technical field Measure optoelectronic composite cable and its manufacture method.
Background technology
Optical fiber has the advantages that strong lightweight, signal transmission capabilities, strong security, not by electromagnetic interference.And for aviation For technical field, for aircraft, aircraft, rocket, satellite, space station etc., low weight, high intensity, high temperature resistant are that its is heavier The requirement wanted, optoelectronic composite cable of the prior art is mostly used for ground communication technology, and it does not have above-mentioned functions concurrently, therefore, Urgently there is satisfactory optoelectronic composite cable in technical field of aerospace.
The content of the invention
In order to solve the above problems, the purpose of the present invention be disclose a kind of magnaflux low weight optoelectronic composite cable and Its manufacture method, they are realized using following technical scheme.
In the embodiment 1 of the present invention, a kind of magnaflux low weight optoelectronic composite cable, by centrally located light guide Fiber, the inner wire outside optical fiber, the inner insulating layer outside inner wire, outer outside inner insulating layer are led Body, the outer rim edge layer outside outer conductor, the stretch-proof restrictive coating outside outer rim edge layer 5 are constituted；It is characterized in that：
A diameter of 0.45~0.65mm of the optical fiber, the outermost layer of optical fiber is polytetrafluoroethylene floor, in bending half Footpath is that the maximum additional attenuation of optical fiber in the range of 1~2000mm is 0.05dB/km；
The inner wire by many a diameter of 0.01~0.1mm copper alloy silk it is stranded form, inner wire a diameter of 1.75~ Maximum D.C. resistance is 2.2 Ω/100m when 1.95mm, 20 DEG C of inner wire, and inner wire is close to optical fiber；
The material of the inner insulating layer is 150 DEG C of high temperature resistant aromatic hydrocarbon, a diameter of 2.5~2.7mm of inner insulating layer, inner insulating layer Extrusion molding is coated on outside inner wire；
The outer conductor by many a diameter of 0.01~0.1mm copper alloy silk it is stranded form, maximum direct current during 20 DEG C of outer conductor Resistance is 1.8 Ω/100m, and outer conductor is close to inner insulating layer；
The material of the external insulation layer is 150 DEG C of high temperature resistant aromatic hydrocarbon, and external insulation layer extrusion molding is coated on outside outer conductor；
The stretch-proof restrictive coating is coated on the elasticity outside aramid yarn by close wrapped aramid yarn, extrusion molding outside outer insulating barrier Body material is constituted, a diameter of 3.9~4.1mm of stretch-proof restrictive coating；
In the magnaflux low weight optoelectronic composite cable：Capacitance in 1KHZ frequency tests between internal and external conductor is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109Ω/100m；Minimum direct current between internal and external conductor Pressure-resistant is 5000V；The current-carrying capacity nominal value of the magnaflux low weight optoelectronic composite cable is that 15A, Unit Weight are 2.0 ~2.2kg/100m, minimum stretching resistance are 50ON.
In the embodiment 2 of the present invention, a kind of magnaflux low weight optoelectronic composite cable, by centrally located light guide Fiber, the inner wire outside optical fiber, the inner insulating layer outside inner wire, outer outside inner insulating layer are led Body, the outer rim edge layer outside outer conductor, the stretch-proof restrictive coating outside outer rim edge layer are constituted；It is characterized in that：
A diameter of 0.45~0.65mm of the optical fiber, the outermost layer of optical fiber is polytetrafluoroethylene floor, in bending half Footpath is that the maximum additional attenuation of optical fiber in the range of 1~2000mm is 0.05dB/km；
The inner wire is drawn into hollow-core construction by copper alloy bar and formed, a diameter of 1.75~1.95mm of inner wire, inside leads Maximum D.C. resistance is to have inner wire chamber 21 inside 2.2 Ω/100m, inner wire during 20 DEG C of body, and optical fiber is located at inner wire In chamber, the diameter of inner wire chamber is 1.2~1.4 times of optical fiber diameter；
The material of the inner insulating layer is 150 DEG C of high temperature resistant aromatic hydrocarbon, a diameter of 2.5~2.7mm of inner insulating layer, inner insulating layer Extrusion molding is coated on outside inner wire；
The outer conductor by many a diameter of 0.01~0.1mm copper alloy silk it is stranded form, maximum direct current during 20 DEG C of outer conductor Resistance is 1.8 Ω/100m, and outer conductor is close to inner insulating layer, and the cross-sectional area of inner wire is less than the cross-sectional area of outer conductor；
The material of the external insulation layer is 150 DEG C of high temperature resistant aromatic hydrocarbon, and external insulation layer extrusion molding is coated on outside outer conductor；
The stretch-proof restrictive coating is coated on the elasticity outside aramid yarn by close wrapped aramid yarn, extrusion molding outside outer insulating barrier Body material is constituted, a diameter of 3.9~4.1mm of stretch-proof restrictive coating；
In the magnaflux low weight optoelectronic composite cable：Capacitance in 1KHZ frequency tests between internal and external conductor is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109Ω/100m；Minimum direct current between internal and external conductor Pressure-resistant is 5000V；The current-carrying capacity nominal value of the magnaflux low weight optoelectronic composite cable is that 15A, Unit Weight are 2.0 ~2.2kg/100m, minimum stretching resistance are 50ON.
A kind of magnaflux low weight optoelectronic composite cable described above, it is characterised in that：The optical fiber by Bare fibre, the first hard-pressed bale layer outside bare fibre, the second hard-pressed bale layer outside the first hard-pressed bale layer are constituted, and described first The material of hard-pressed bale layer is polyvinyl chloride or nylon, and the material of the second hard-pressed bale layer is polytetrafluoroethylene (PTFE).
A kind of magnaflux low weight optoelectronic composite cable described above, it is characterised in that：The optical fiber by Bare fibre, the first hard-pressed bale layer outside bare fibre are constituted；The material of the first hard-pressed bale layer is polytetrafluoroethylene (PTFE).
A kind of magnaflux low weight optoelectronic composite cable described above, it is characterised in that：The elastomeric material For TPU classes elastomer or TPE class elastomers.
It is a kind of manufacture magnaflux low weight optoelectronic composite cable method, it is characterised in that it through the following steps that What manufacture was obtained：
The first step：To take a diameter of 0.45~0.65mm, outermost layer be polytetrafluoroethylene floor, is 1~2000mm models in bending radius The maximum additional attenuation for enclosing interior optical fiber is 0.05dB/km optical fiber, and fibre is put in progress；
Second step：Take many a diameter of 0.01~0.1mm copper alloy silk to surround the optical fiber released in the first step and be close to light Lead fiber carry out it is stranded, formed a diameter of 1.75~1.95mm, 20 DEG C when maximum D.C. resistance be 2.2 Ω/100m inner wire, Draw and pass through the first extrusion head；
3rd step：150 DEG C of high temperature resistant aromatic hydrocarbon are extruded and are coated on outside the inner wire of second step formation from the first extrusion head Inner insulating layer is formed, and makes a diameter of 2.5~2.7mm of inner insulating layer, and constantly traction is allowed to cool, and forms a diameter of 2.55 The inner insulating layer of~2.65mm sufficient crystallisings；
4th step：Many a diameter of 0.01~0.1mm copper alloy silk is taken to surround and be close to the sufficient crystallising that the 3rd step is formed Inner insulating layer carries out stranded, the outer conductor that maximum D.C. resistance is 1.8 Ω/100m when forming 20 DEG C；
5th step：150 DEG C of high temperature resistant aromatic hydrocarbon are extruded and are coated on outside the outer conductor of the 4th step formation from the first extrusion head Form external insulation layer；
6th step：Form stretch-proof restrictive coating：Take the close wrapped formation outside the external insulation layer of the 5th step formation of many aramid yarns Cable core, and cable core is drawn, take TPU classes elastomer or TPE class elastomer extrusion moldings to be coated on outside cable core and form restrictive coating, then with 2 The pressure of~4 atmospheric pressure, using compressed air, 18~28 DEG C of temperature, 30~50 ms/min of speed, restrictive coating is entered Row cooling and traction, are coiled on take-up reel of the shaft diameter more than 300mm, complete magnaflux low weight photoelectricity and are combined The manufacture of cable；A diameter of 3.9~4.1mm of restrictive coating；In the magnaflux low weight optoelectronic composite cable：In 1KHZ frequencies Capacitance when rate is tested between internal and external conductor is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109 Ω/100m；Minimum direct current between internal and external conductor is pressure-resistant for 5000V；The magnaflux low weight optoelectronic composite cable Current-carrying capacity nominal value is that 15A, Unit Weight are that 2.0~2.2kg/100m, minimum stretching resistance are 50ON.
It is a kind of manufacture magnaflux low weight optoelectronic composite cable method, it is characterised in that it through the following steps that What manufacture was obtained：
The first step：To take a diameter of 0.45~0.65mm, outermost layer be polytetrafluoroethylene floor, is 1~2000mm models in bending radius The maximum additional attenuation for enclosing interior optical fiber is 0.05dB/km optical fiber, and fibre is put in progress；
Second step：Taking copper alloy bar to be drawn into inside hollow-core construction formation inner wire, inner wire has inner wire chamber, inner wire A diameter of 1.75~1.95mm, maximum D.C. resistance is 2.2 Ω/100m during 20 DEG C of inner wire；By the light released in the first step Lead fiber to penetrate in inner wire chamber, draw and pass through the first extrusion head；The diameter of inner wire chamber is the 1.2 of optical fiber diameter ~1.4 times；
3rd step：150 DEG C of high temperature resistant aromatic hydrocarbon are extruded and are coated on outside the inner wire of second step formation from the first extrusion head Inner insulating layer is formed, and makes a diameter of 2.5~2.7mm of inner insulating layer, and constantly traction is allowed to cool, and forms a diameter of 2.55 The inner insulating layer of~2.65mm sufficient crystallisings；
4th step：Many a diameter of 0.01~0.1mm copper alloy silk is taken to surround and be close to the sufficient crystallising that the 3rd step is formed Inner insulating layer carries out stranded, the outer conductor that maximum D.C. resistance is 1.8 Ω/100m when forming 20 DEG C；The cross-sectional area of inner wire Less than the cross-sectional area of outer conductor；
5th step：150 DEG C of high temperature resistant aromatic hydrocarbon are extruded and are coated on outside the outer conductor of the 4th step formation from the first extrusion head Form external insulation layer；
6th step：Form stretch-proof restrictive coating：Take the close wrapped formation outside the external insulation layer of the 5th step formation of many aramid yarns Cable core, and cable core is drawn, take TPU classes elastomer or TPE class elastomer extrusion moldings to be coated on outside cable core and form restrictive coating, then with 2 The pressure of~4 atmospheric pressure, using compressed air, 18~28 DEG C of temperature, 30~50 ms/min of speed, restrictive coating is entered Row cooling and traction, are coiled on take-up reel of the shaft diameter more than 300mm, complete magnaflux low weight photoelectricity and are combined The manufacture of cable；A diameter of 3.9~4.1mm of restrictive coating；In the magnaflux low weight optoelectronic composite cable：In 1KHZ frequencies Capacitance when rate is tested between internal and external conductor is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109 Ω/100m；Minimum direct current between internal and external conductor is pressure-resistant for 5000V；The magnaflux low weight optoelectronic composite cable Current-carrying capacity nominal value is that 15A, Unit Weight are that 2.0~2.2kg/100m, minimum stretching resistance are 50ON.
The present invention has following main advantageous effects：Lightweight, external diameter is small, stretching resistance is big, resistance to elevated temperatures is good, anti- Torsion ability is strong.
Brief description of the drawings
Fig. 1 is that the solution of embodiment 1 of the present invention splits the dimensional structure diagram after one section.
Fig. 2 is that the solution of embodiment 2 of the present invention splits the dimensional structure diagram after one section.
Fig. 3 is the cross-sectional structure schematic diagram that Fig. 2 amplifies.
Fig. 4 is the cross-sectional structure schematic diagram of the optical fiber used in embodiment 3 of the present invention.
Embodiment
In order that the public is better understood when and implemented the present invention, the present invention is carried out in detail in conjunction with Figure of description Illustrate, the corresponding title of reference is as follows：1-optical fiber, 2-inner wire, 3-inner insulating layer, 4-outer conductor, 5-it is outer Edge edge layer, 6-stretch-proof restrictive coating, 11-bare fibre, the 12-the first hard-pressed bale layer, the 13-the second hard-pressed bale layer, 21-inner wire chamber.
Embodiment 1
See Fig. 1, a kind of magnaflux low weight optoelectronic composite cable, by centrally located optical fiber 1, positioned at light guide fibre Dimension 1 outside inner wire 2, the inner insulating layer 3 outside inner wire 2, the outer conductor 4 outside inner insulating layer 3, positioned at outer Outer rim edge layer 5 outside conductor 4, the stretch-proof restrictive coating 6 outside outer rim edge layer 5 are constituted；It is characterized in that：
A diameter of 0.45~0.65mm of the optical fiber, the outermost layer of optical fiber is polytetrafluoroethylene floor, in bending half Footpath is that the maximum additional attenuation of optical fiber in the range of 1~2000mm is 0.05dB/km；
The inner wire by many a diameter of 0.01~0.1mm copper alloy silk it is stranded form, inner wire a diameter of 1.75~ Maximum D.C. resistance is 2.2 Ω/100m when 1.95mm, 20 DEG C of inner wire, and inner wire is close to optical fiber；
The material of the inner insulating layer is 150 DEG C of high temperature resistant aromatic hydrocarbon, a diameter of 2.5~2.7mm of inner insulating layer, inner insulating layer Extrusion molding is coated on outside inner wire；
The outer conductor by many a diameter of 0.01~0.1mm copper alloy silk it is stranded form, maximum direct current during 20 DEG C of outer conductor Resistance is 1.8 Ω/100m, and outer conductor is close to inner insulating layer；
The material of the external insulation layer is 150 DEG C of high temperature resistant aromatic hydrocarbon, and external insulation layer extrusion molding is coated on outside outer conductor；
The stretch-proof restrictive coating is coated on the elasticity outside aramid yarn by close wrapped aramid yarn, extrusion molding outside outer insulating barrier Body material is constituted, a diameter of 3.9~4.1mm of stretch-proof restrictive coating；
In the magnaflux low weight optoelectronic composite cable：Capacitance in 1KHZ frequency tests between internal and external conductor is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109Ω/100m；Minimum direct current between internal and external conductor Pressure-resistant is 5000V；The current-carrying capacity nominal value of the magnaflux low weight optoelectronic composite cable is that 15A, Unit Weight are 2.0 ~2.2kg/100m, minimum stretching resistance are 50ON.
A kind of magnaflux low weight optoelectronic composite cable described above, it is characterised in that it is to use following methods What manufacture was obtained：
The first step：To take a diameter of 0.45~0.65mm, outermost layer be polytetrafluoroethylene floor, is 1~2000mm models in bending radius The maximum additional attenuation for enclosing interior optical fiber is 0.05dB/km optical fiber, and fibre is put in progress；
Second step：Take many a diameter of 0.01~0.1mm copper alloy silk to surround the optical fiber released in the first step and be close to light Lead fiber carry out it is stranded, formed a diameter of 1.75~1.95mm, 20 DEG C when maximum D.C. resistance be 2.2 Ω/100m inner wire, Draw and pass through the first extrusion head；
3rd step：150 DEG C of high temperature resistant aromatic hydrocarbon are extruded and are coated on outside the inner wire of second step formation from the first extrusion head Inner insulating layer is formed, and makes a diameter of 2.5~2.7mm of inner insulating layer, and constantly traction is allowed to cool, and forms a diameter of 2.55 The inner insulating layer of~2.65mm sufficient crystallisings；
4th step：Many a diameter of 0.01~0.1mm copper alloy silk is taken to surround and be close to the sufficient crystallising that the 3rd step is formed Inner insulating layer carries out stranded, the outer conductor that maximum D.C. resistance is 1.8 Ω/100m when forming 20 DEG C；
5th step：150 DEG C of high temperature resistant aromatic hydrocarbon are extruded and are coated on outside the outer conductor of the 4th step formation from the first extrusion head Form external insulation layer；
6th step：Form stretch-proof restrictive coating：Take the close wrapped formation outside the external insulation layer of the 5th step formation of many aramid yarns Cable core, and cable core is drawn, take TPU classes elastomer or TPE class elastomer extrusion moldings to be coated on outside cable core and form restrictive coating, then with 2 The pressure of~4 atmospheric pressure, using compressed air, 18~28 DEG C of temperature, 30~50 ms/min of speed, restrictive coating is entered Row cooling and traction, are coiled on take-up reel of the shaft diameter more than 300mm, complete magnaflux low weight photoelectricity and are combined The manufacture of cable；A diameter of 3.9~4.1mm of restrictive coating；In the magnaflux low weight optoelectronic composite cable：In 1KHZ frequencies Capacitance when rate is tested between internal and external conductor is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109 Ω/100m；Minimum direct current between internal and external conductor is pressure-resistant for 5000V；The magnaflux low weight optoelectronic composite cable Current-carrying capacity nominal value is that 15A, Unit Weight are that 2.0~2.2kg/100m, minimum stretching resistance are 50ON.
Embodiment 2
See Fig. 2 and Fig. 3, a kind of magnaflux low weight optoelectronic composite cable by centrally located optical fiber 1, is located at Inner wire 2 outside optical fiber 1, the inner insulating layer 3 outside inner wire 2, the outer conductor 4 outside inner insulating layer 3, Outer rim edge layer 5 outside outer conductor 4, the stretch-proof restrictive coating 6 outside outer rim edge layer 5 are constituted；It is characterized in that：
A diameter of 0.45~0.65mm of the optical fiber, the outermost layer of optical fiber is polytetrafluoroethylene floor, in bending half Footpath is that the maximum additional attenuation of optical fiber in the range of 1~2000mm is 0.05dB/km；
The inner wire is drawn into hollow-core construction by copper alloy bar and formed, a diameter of 1.75~1.95mm of inner wire, inside leads Maximum D.C. resistance is to have inner wire chamber 21 inside 2.2 Ω/100m, inner wire during 20 DEG C of body, and optical fiber is located at inner wire In chamber, the diameter of inner wire chamber is 1.2~1.4 times of optical fiber diameter；
The material of the inner insulating layer is 150 DEG C of high temperature resistant aromatic hydrocarbon, a diameter of 2.5~2.7mm of inner insulating layer, inner insulating layer Extrusion molding is coated on outside inner wire；
The outer conductor by many a diameter of 0.01~0.1mm copper alloy silk it is stranded form, maximum direct current during 20 DEG C of outer conductor Resistance is 1.8 Ω/100m, and outer conductor is close to inner insulating layer；
The material of the external insulation layer is 150 DEG C of high temperature resistant aromatic hydrocarbon, and external insulation layer extrusion molding is coated on outside outer conductor；
The stretch-proof restrictive coating is coated on the elasticity outside aramid yarn by close wrapped aramid yarn, extrusion molding outside outer insulating barrier Body material is constituted, a diameter of 3.9~4.1mm of stretch-proof restrictive coating；
In the magnaflux low weight optoelectronic composite cable：Capacitance in 1KHZ frequency tests between internal and external conductor is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109Ω/100m；Minimum direct current between internal and external conductor Pressure-resistant is 5000V；The current-carrying capacity nominal value of the magnaflux low weight optoelectronic composite cable is that 15A, Unit Weight are 2.0 ~2.2kg/100m, minimum stretching resistance are 50ON.
A kind of magnaflux low weight optoelectronic composite cable described above, it is characterised in that the inner wire it is transversal Area is less than the cross-sectional area of outer conductor, because with inner wire chamber, therefore, inner wire has more excellent heat dispersion, is passing During defeated same electric load, the cross section of inner wire can be smaller than the cross-sectional area of outer conductor, has so not only saved cost, And the more exquisite of external diameter is realized, more suitable for narrow space in aircraft；Further, since the presence of inner wire chamber, Optical fiber is moved in inner wire chamber, the photoelectricity that can make optical fiber can more bear in hot environment, the present invention is answered Close cable has higher electric overload capacity and lower high temperature additional attenuation than the optoelectronic composite cable in embodiment 1.
A kind of magnaflux low weight optoelectronic composite cable described above, it is characterised in that it is to use following methods What manufacture was obtained：
The first step：To take a diameter of 0.45~0.65mm, outermost layer be polytetrafluoroethylene floor, is 1~2000mm models in bending radius The maximum additional attenuation for enclosing interior optical fiber is 0.05dB/km optical fiber, and fibre is put in progress；
Second step：Taking copper alloy bar to be drawn into inside hollow-core construction formation inner wire, inner wire has inner wire chamber, inner wire A diameter of 1.75~1.95mm, maximum D.C. resistance is 2.2 Ω/100m during 20 DEG C of inner wire；By the light released in the first step Lead fiber to penetrate in inner wire chamber, draw and pass through the first extrusion head；The diameter of inner wire chamber is the 1.2 of optical fiber diameter ~1.4 times；
3rd step：150 DEG C of high temperature resistant aromatic hydrocarbon are extruded and are coated on outside the inner wire of second step formation from the first extrusion head Inner insulating layer is formed, and makes a diameter of 2.5~2.7mm of inner insulating layer, and constantly traction is allowed to cool, and forms a diameter of 2.55 The inner insulating layer of~2.65mm sufficient crystallisings；
4th step：Many a diameter of 0.01~0.1mm copper alloy silk is taken to surround and be close to the sufficient crystallising that the 3rd step is formed Inner insulating layer carries out stranded, the outer conductor that maximum D.C. resistance is 1.8 Ω/100m when forming 20 DEG C；The cross-sectional area of inner wire Less than the cross-sectional area of outer conductor；
5th step：150 DEG C of high temperature resistant aromatic hydrocarbon are extruded and are coated on outside the outer conductor of the 4th step formation from the first extrusion head Form external insulation layer；
6th step：Form stretch-proof restrictive coating：Take the close wrapped formation outside the external insulation layer of the 5th step formation of many aramid yarns Cable core, and cable core is drawn, take TPU classes elastomer or TPE class elastomer extrusion moldings to be coated on outside cable core and form restrictive coating, then with 2 The pressure of~4 atmospheric pressure, using compressed air, 18~28 DEG C of temperature, 30~50 ms/min of speed, restrictive coating is entered Row cooling and traction, are coiled on take-up reel of the shaft diameter more than 300mm, complete magnaflux low weight photoelectricity and are combined The manufacture of cable；A diameter of 3.9~4.1mm of restrictive coating；In the magnaflux low weight optoelectronic composite cable：In 1KHZ frequencies Capacitance when rate is tested between internal and external conductor is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109 Ω/100m；Minimum direct current between internal and external conductor is pressure-resistant for 5000V；The magnaflux low weight optoelectronic composite cable Current-carrying capacity nominal value is that 15A, Unit Weight are that 2.0~2.2kg/100m, minimum stretching resistance are 50ON.
Embodiment 3
See Fig. 3, and refer to Fig. 1 and Fig. 2, a kind of magnaflux low weight optoelectronic composite cable, substantially with embodiment 1 or Embodiment 2, difference is：The optical fiber 1 the first hard-pressed bale by bare fibre 11, outside bare fibre layer 12, The second hard-pressed bale layer 13 outside the first hard-pressed bale layer is constituted, and the material of the first hard-pressed bale layer is polyvinyl chloride or nylon, institute The material for stating the second hard-pressed bale layer is polytetrafluoroethylene (PTFE).
Further, a kind of magnaflux low weight optoelectronic composite cable described above, the optical fiber may be used also The first hard-pressed bale layer 12 by bare fibre 11, outside bare fibre is constituted；The material of the first hard-pressed bale layer is polytetrafluoroethylene (PTFE).
A kind of magnaflux low weight optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that described Elastomeric material for TPU classes elastomer or TPE class elastomers.
A kind of side of manufacture magnaflux low weight optoelectronic composite cable described in embodiment 1 or embodiment 2 In method, the first step, it can also take：A diameter of 0.45~0.65mm, in bending radius it is optical fiber in the range of 1~2000mm Maximum additional attenuation is 0.05dB/km, the first hard-pressed bale layer by bare fibre, outside bare fibre, positioned at the first hard-pressed bale layer The optical fiber that outer the second hard-pressed bale layer is constituted, the material of the first hard-pressed bale layer is polyvinyl chloride or nylon, and described second is tight The material of covering is polytetrafluoroethylene (PTFE)；Or take a diameter of 0.45~0.65mm, be light in the range of 1~2000mm in bending radius Lead the light guide that first hard-pressed bale layer of the maximum additional attenuation of fiber for 0.05dB/km, by bare fibre, outside bare fibre is constituted Fiber, the material of the first hard-pressed bale layer is polyvinyl chloride or nylon, and the material of the second hard-pressed bale layer is polytetrafluoroethylene (PTFE).
Optoelectronic composite cable in the present invention, by test, has reached preferable effect, in 500N, 1 hour long-term pulling force Under, additional attenuation maximum be 0.035dB/km, pulling force remove after, overstrain maximum be 0.003%；By 10,000 times ± 360 degree, speed for after 60 beats/min of continuous torsion, additional attenuation of the optical cable surface without eyesight visible crack, optical fiber Maximum is only 0.039dB/km；The present invention is under the conditions of 150 DEG C, current-carrying capacity are 15A, continuous work 4320 hours, during which Optical fiber additional attenuation maximum is 0.051dB/km；Therefore, optoelectronic composite cable of the invention has reached the requirement of aviation, through examination With having reached preferable effect.
A kind of magnaflux low weight optoelectronic composite cable described in any of the above-described embodiment, it is characterised in that described Elastomeric material for polyamide or polyurethane.
The present invention a kind of magnaflux low weight optoelectronic composite cable and manufacture method in, used inner wire and Outer conductor, can be following copper alloy, and the copper alloy contains by weight percentage：Gold 0.1~0.3%, zinc 0.4~ 0.6%th, silver 0.5~1.0%, molybdenum 0.1~0.3%, aluminium 15~25%, zirconium 0.2~0.5%, cadmium 0.1~0.5%, antimony 0.1~0.3%, bismuth 0.1~0.3%, titanium 0.1~0.2%, tungsten 0.2~0.4%, ruthenium 0.2~0.4%, nickel 0.3~0.6%, vanadium 0.1~0.2%, manganese 0.2~ 0.4%th, chromium 0.5~0.9%, platinum 0.1~0.3%, surplus are copper.
Optimal embodiment is：The copper alloy contains by weight percentage：Gold 0.2%, zinc 0.5%, silver 0.75%, Molybdenum 0.2%, aluminium 20%, zirconium 0.35%, cadmium 0.3%, antimony 0.2%, bismuth 0.2%, titanium 0.15%, tungsten 0.3%, ruthenium 0.3%, nickel 0.45%, vanadium 0.15%th, manganese 0.3%, chromium 0.7%, platinum 0.2%, surplus are copper.
Above-mentioned copper alloy is made after copper alloy silk or copper alloy bar through determining, and its resistivity is 0.0003~0.0011 Ω mm2/ m, elongation at break be about 30.4~33.1%, density be about the 21~46% of fine copper, intensity be about fine copper 216~ 412%；During optimization formula, parameter is the two ends average value in above-mentioned value, therefore, and the photoelectricity that the copper alloy in the present invention is made is answered Close cable so that energization ability is stronger, intensity is higher, weight lighter, softness is more excellent.
Manufacture method in the present invention is simple, be easy to grasp, obtained product qualified rate is high, required equipment investment is few, The place of occupancy is few.
The present invention is not limited to above-mentioned preferred forms, it will be appreciated that design of the invention can be by other a variety of shapes Formula is implemented to use, and they are also fallen within protection scope of the present invention.

Claims (5)

1. a kind of method for manufacturing magnaflux low weight optoelectronic composite cable, it is characterised in that it is through the following steps that system Make what is obtained：
The first step：Take a diameter of 0.45~0.65mm, added in the maximum that bending radius is optical fiber in the range of 1~2000mm Decay to 0.05dB/km, the first hard-pressed bale layer by bare fibre, outside bare fibre, second outside the first hard-pressed bale layer The optical fiber that hard-pressed bale layer is constituted, the material of the first hard-pressed bale layer is polyvinyl chloride or nylon, the material of the second hard-pressed bale layer Expect for polytetrafluoroethylene (PTFE)；Fibre is put in progress；
Second step：Taking copper alloy bar to be drawn into inside hollow-core construction formation inner wire, inner wire has inner wire chamber, inner wire Maximum D.C. resistance is 2.2 Ω/100m when a diameter of 1.75~1.95mm, 20 DEG C of inner wire；By the light guide released in the first step Fiber is penetrated in inner wire chamber, is drawn and is passed through the first extrusion head；The diameter of inner wire chamber be optical fiber diameter 1.2~ 1.4 again；
3rd step：150 DEG C of high temperature resistant aromatic hydrocarbon are extruded and are coated on outside the inner wire of second step formation from the first extrusion head Inner insulating layer is formed, and makes a diameter of 2.5~2.7mm of inner insulating layer, and constantly traction is allowed to cool, and forms a diameter of 2.55 The inner insulating layer of~2.65mm sufficient crystallisings；
4th step：Many a diameter of 0.01~0.1mm copper alloy silk is taken to surround and be close to the sufficient crystallising that the 3rd step is formed Inner insulating layer carries out stranded, the outer conductor that maximum D.C. resistance is 1.8 Ω/100m when forming 20 DEG C；The cross-sectional area of inner wire Less than the cross-sectional area of outer conductor；
5th step：150 DEG C of high temperature resistant aromatic hydrocarbon are extruded and are coated on outside the outer conductor of the 4th step formation from the first extrusion head Form external insulation layer；
6th step：Form stretch-proof restrictive coating：Take the close wrapped formation outside the external insulation layer of the 5th step formation of many aramid yarns Cable core, and cable core is drawn, take TPU classes elastomer or TPE class elastomer extrusion moldings to be coated on outside cable core and form restrictive coating, then with 2 The pressure of~4 atmospheric pressure, using compressed air, 18~28 DEG C of temperature, 30~50 ms/min of speed, restrictive coating is entered Row cooling and traction, are coiled on take-up reel of the shaft diameter more than 300mm, complete magnaflux low weight photoelectricity and are combined The manufacture of cable；A diameter of 3.9~4.1mm of restrictive coating；In the magnaflux low weight optoelectronic composite cable：In 1KHZ frequencies Capacitance when rate is tested between internal and external conductor is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109 Ω/100m；Minimum direct current between internal and external conductor is pressure-resistant for 5000V；The magnaflux low weight optoelectronic composite cable Current-carrying capacity nominal value is that 15A, Unit Weight are that 2.0~2.2kg/100m, minimum stretching resistance are 50ON；
The copper alloy contains by weight percentage：Gold 0.1~0.3%, zinc 0.4~0.6%, silver 0.5~1.0%, molybdenum 0.1~ 0.3%th, aluminium 15~25%, zirconium 0.2~0.5%, cadmium 0.1~0.5%, antimony 0.1~0.3%, bismuth 0.1~0.3%, titanium 0.1~0.2%, tungsten 0.2~0.4%, ruthenium 0.2~0.4%, nickel 0.3~0.6%, vanadium 0.1~0.2%, manganese 0.2~0.4%, chromium 0.5~0.9%, platinum 0.1~ 0.3%th, surplus is copper.
2. a kind of method for manufacturing magnaflux low weight optoelectronic composite cable, it is characterised in that it is through the following steps that system Make what is obtained：
The first step：Take a diameter of 0.45~0.65mm, added in the maximum that bending radius is optical fiber in the range of 1~2000mm 0.05dB/km, the optical fiber that constitutes of the first hard-pressed bale layer by bare fibre, outside bare fibre are decayed to, described first is tight The material of covering is polyvinyl chloride or nylon, and the material of the second hard-pressed bale layer is polytetrafluoroethylene (PTFE), and fibre is put in progress；
Second step：Taking copper alloy bar to be drawn into inside hollow-core construction formation inner wire, inner wire has inner wire chamber, inner wire Maximum D.C. resistance is 2.2 Ω/100m when a diameter of 1.75~1.95mm, 20 DEG C of inner wire；By the light guide released in the first step Fiber is penetrated in inner wire chamber, is drawn and is passed through the first extrusion head；The diameter of inner wire chamber be optical fiber diameter 1.2~ 1.4 again；
3rd step：150 DEG C of high temperature resistant aromatic hydrocarbon are extruded and are coated on outside the inner wire of second step formation from the first extrusion head Inner insulating layer is formed, and makes a diameter of 2.5~2.7mm of inner insulating layer, and constantly traction is allowed to cool, and forms a diameter of 2.55 The inner insulating layer of~2.65mm sufficient crystallisings；
4th step：Many a diameter of 0.01~0.1mm copper alloy silk is taken to surround and be close to the sufficient crystallising that the 3rd step is formed Inner insulating layer carries out stranded, the outer conductor that maximum D.C. resistance is 1.8 Ω/100m when forming 20 DEG C；The cross-sectional area of inner wire Less than the cross-sectional area of outer conductor；
5th step：150 DEG C of high temperature resistant aromatic hydrocarbon are extruded and are coated on outside the outer conductor of the 4th step formation from the first extrusion head Form external insulation layer；
6th step：Form stretch-proof restrictive coating：Take the close wrapped formation outside the external insulation layer of the 5th step formation of many aramid yarns Cable core, and cable core is drawn, take TPU classes elastomer or TPE class elastomer extrusion moldings to be coated on outside cable core and form restrictive coating, then with 2 The pressure of~4 atmospheric pressure, using compressed air, 18~28 DEG C of temperature, 30~50 ms/min of speed, restrictive coating is entered Row cooling and traction, are coiled on take-up reel of the shaft diameter more than 300mm, complete magnaflux low weight photoelectricity and are combined The manufacture of cable；A diameter of 3.9~4.1mm of restrictive coating；In the magnaflux low weight optoelectronic composite cable：In 1KHZ frequencies Capacitance when rate is tested between internal and external conductor is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109 Ω/100m；Minimum direct current between internal and external conductor is pressure-resistant for 5000V；The magnaflux low weight optoelectronic composite cable Current-carrying capacity nominal value is that 15A, Unit Weight are that 2.0~2.2kg/100m, minimum stretching resistance are 50ON；
The copper alloy contains by weight percentage：Gold 0.1~0.3%, zinc 0.4~0.6%, silver 0.5~1.0%, molybdenum 0.1~ 0.3%th, aluminium 15~25%, zirconium 0.2~0.5%, cadmium 0.1~0.5%, antimony 0.1~0.3%, bismuth 0.1~0.3%, titanium 0.1~0.2%, tungsten 0.2~0.4%, ruthenium 0.2~0.4%, nickel 0.3~0.6%, vanadium 0.1~0.2%, manganese 0.2~0.4%, chromium 0.5~0.9%, platinum 0.1~ 0.3%th, surplus is copper.
3. a kind of method for manufacturing magnaflux low weight optoelectronic composite cable, it is characterised in that it is through the following steps that system Make what is obtained：
The first step：Take a diameter of 0.45~0.65mm, added in the maximum that bending radius is optical fiber in the range of 1~2000mm 0.05dB/km, the optical fiber that constitutes of the first hard-pressed bale layer by bare fibre, outside bare fibre are decayed to, described first is tight The material of covering is polyvinyl chloride or nylon, and the material of the second hard-pressed bale layer is polytetrafluoroethylene (PTFE), and fibre is put in progress；
Second step：Taking copper alloy bar to be drawn into inside hollow-core construction formation inner wire, inner wire has inner wire chamber, inner wire Maximum D.C. resistance is 2.2 Ω/100m when a diameter of 1.75~1.95mm, 20 DEG C of inner wire；By the light guide released in the first step Fiber is penetrated in inner wire chamber, is drawn and is passed through the first extrusion head；The diameter of inner wire chamber be optical fiber diameter 1.2~ 1.4 again；
3rd step：150 DEG C of high temperature resistant aromatic hydrocarbon are extruded and are coated on outside the inner wire of second step formation from the first extrusion head Inner insulating layer is formed, and makes a diameter of 2.5~2.7mm of inner insulating layer, and constantly traction is allowed to cool, and forms a diameter of 2.55 The inner insulating layer of~2.65mm sufficient crystallisings；
4th step：Many a diameter of 0.01~0.1mm copper alloy silk is taken to surround and be close to the sufficient crystallising that the 3rd step is formed Inner insulating layer carries out stranded, the outer conductor that maximum D.C. resistance is 1.8 Ω/100m when forming 20 DEG C；The cross-sectional area of inner wire Less than the cross-sectional area of outer conductor；
5th step：150 DEG C of high temperature resistant aromatic hydrocarbon are extruded and are coated on outside the outer conductor of the 4th step formation from the first extrusion head Form external insulation layer；
6th step：Form stretch-proof restrictive coating：Take the close wrapped formation outside the external insulation layer of the 5th step formation of many aramid yarns Cable core, and cable core is drawn, take TPU classes elastomer or TPE class elastomer extrusion moldings to be coated on outside cable core and form restrictive coating, then with 2 The pressure of~4 atmospheric pressure, using compressed air, 18~28 DEG C of temperature, 30~50 ms/min of speed, restrictive coating is entered Row cooling and traction, are coiled on take-up reel of the shaft diameter more than 300mm, complete magnaflux low weight photoelectricity and are combined The manufacture of cable；A diameter of 3.9~4.1mm of restrictive coating；In the magnaflux low weight optoelectronic composite cable：In 1KHZ frequencies Capacitance when rate is tested between internal and external conductor is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109 Ω/100m；Minimum direct current between internal and external conductor is pressure-resistant for 5000V；The magnaflux low weight optoelectronic composite cable Current-carrying capacity nominal value is that 15A, Unit Weight are that 2.0~2.2kg/100m, minimum stretching resistance are 50ON；
The copper alloy contains by weight percentage：Gold 0.2%, zinc 0.5%, silver 0.75%, molybdenum 0.2%, aluminium 20%, zirconium 0.35%, Cadmium 0.3%, antimony 0.2%, bismuth 0.2%, titanium 0.15%, tungsten 0.3%, ruthenium 0.3%, nickel 0.45%, vanadium 0.15%, manganese 0.3%, chromium 0.7%, platinum 0.2%th, surplus is copper.
4. a kind of method for manufacturing magnaflux low weight optoelectronic composite cable, it is characterised in that it is through the following steps that system Make what is obtained：
The first step：Take a diameter of 0.45~0.65mm, added in the maximum that bending radius is optical fiber in the range of 1~2000mm Decay to 0.05dB/km, the first hard-pressed bale layer by bare fibre, outside bare fibre, second outside the first hard-pressed bale layer The optical fiber that hard-pressed bale layer is constituted, the material of the first hard-pressed bale layer is polyvinyl chloride or nylon, the material of the second hard-pressed bale layer Expect for polytetrafluoroethylene (PTFE)；Fibre is put in progress；
Second step：Taking copper alloy bar to be drawn into inside hollow-core construction formation inner wire, inner wire has inner wire chamber, inner wire Maximum D.C. resistance is 2.2 Ω/100m when a diameter of 1.75~1.95mm, 20 DEG C of inner wire；By the light guide released in the first step Fiber is penetrated in inner wire chamber, is drawn and is passed through the first extrusion head；The diameter of inner wire chamber be optical fiber diameter 1.2~ 1.4 again；
3rd step：150 DEG C of high temperature resistant aromatic hydrocarbon are extruded and are coated on outside the inner wire of second step formation from the first extrusion head Inner insulating layer is formed, and makes a diameter of 2.5~2.7mm of inner insulating layer, and constantly traction is allowed to cool, and forms a diameter of 2.55 The inner insulating layer of~2.65mm sufficient crystallisings；
4th step：Many a diameter of 0.01~0.1mm copper alloy silk is taken to surround and be close to the sufficient crystallising that the 3rd step is formed Inner insulating layer carries out stranded, the outer conductor that maximum D.C. resistance is 1.8 Ω/100m when forming 20 DEG C；The cross-sectional area of inner wire Less than the cross-sectional area of outer conductor；
5th step：150 DEG C of high temperature resistant aromatic hydrocarbon are extruded and are coated on outside the outer conductor of the 4th step formation from the first extrusion head Form external insulation layer；
6th step：Form stretch-proof restrictive coating：Take the close wrapped formation outside the external insulation layer of the 5th step formation of many aramid yarns Cable core, and cable core is drawn, take TPU classes elastomer or TPE class elastomer extrusion moldings to be coated on outside cable core and form restrictive coating, then with 2 The pressure of~4 atmospheric pressure, using compressed air, 18~28 DEG C of temperature, 30~50 ms/min of speed, restrictive coating is entered Row cooling and traction, are coiled on take-up reel of the shaft diameter more than 300mm, complete magnaflux low weight photoelectricity and are combined The manufacture of cable；A diameter of 3.9~4.1mm of restrictive coating；In the magnaflux low weight optoelectronic composite cable：In 1KHZ frequencies Capacitance when rate is tested between internal and external conductor is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109 Ω/100m；Minimum direct current between internal and external conductor is pressure-resistant for 5000V；The magnaflux low weight optoelectronic composite cable Current-carrying capacity nominal value is that 15A, Unit Weight are that 2.0~2.2kg/100m, minimum stretching resistance are 50ON.
5. a kind of method for manufacturing magnaflux low weight optoelectronic composite cable, it is characterised in that it is through the following steps that system Make what is obtained：
The first step：Take a diameter of 0.45~0.65mm, added in the maximum that bending radius is optical fiber in the range of 1~2000mm 0.05dB/km, the optical fiber that constitutes of the first hard-pressed bale layer by bare fibre, outside bare fibre are decayed to, described first is tight The material of covering is polyvinyl chloride or nylon, and the material of the second hard-pressed bale layer is polytetrafluoroethylene (PTFE), and fibre is put in progress；
Second step：Taking copper alloy bar to be drawn into inside hollow-core construction formation inner wire, inner wire has inner wire chamber, inner wire Maximum D.C. resistance is 2.2 Ω/100m when a diameter of 1.75~1.95mm, 20 DEG C of inner wire；By the light guide released in the first step Fiber is penetrated in inner wire chamber, is drawn and is passed through the first extrusion head；The diameter of inner wire chamber be optical fiber diameter 1.2~ 1.4 again；
3rd step：150 DEG C of high temperature resistant aromatic hydrocarbon are extruded and are coated on outside the inner wire of second step formation from the first extrusion head Inner insulating layer is formed, and makes a diameter of 2.5~2.7mm of inner insulating layer, and constantly traction is allowed to cool, and forms a diameter of 2.55 The inner insulating layer of~2.65mm sufficient crystallisings；
4th step：Many a diameter of 0.01~0.1mm copper alloy silk is taken to surround and be close to the sufficient crystallising that the 3rd step is formed Inner insulating layer carries out stranded, the outer conductor that maximum D.C. resistance is 1.8 Ω/100m when forming 20 DEG C；The cross-sectional area of inner wire Less than the cross-sectional area of outer conductor；
5th step：150 DEG C of high temperature resistant aromatic hydrocarbon are extruded and are coated on outside the outer conductor of the 4th step formation from the first extrusion head Form external insulation layer；
6th step：Form stretch-proof restrictive coating：Take the close wrapped formation outside the external insulation layer of the 5th step formation of many aramid yarns Cable core, and cable core is drawn, take TPU classes elastomer or TPE class elastomer extrusion moldings to be coated on outside cable core and form restrictive coating, then with 2 The pressure of~4 atmospheric pressure, using compressed air, 18~28 DEG C of temperature, 30~50 ms/min of speed, restrictive coating is entered Row cooling and traction, are coiled on take-up reel of the shaft diameter more than 300mm, complete magnaflux low weight photoelectricity and are combined The manufacture of cable；A diameter of 3.9~4.1mm of restrictive coating；In the magnaflux low weight optoelectronic composite cable：In 1KHZ frequencies Capacitance when rate is tested between internal and external conductor is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109 Ω/100m；Minimum direct current between internal and external conductor is pressure-resistant for 5000V；The magnaflux low weight optoelectronic composite cable Current-carrying capacity nominal value is that 15A, Unit Weight are that 2.0~2.2kg/100m, minimum stretching resistance are 50ON.
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CN202110882U (en) * 2011-06-23 2012-01-11 浙江万马集团特种电子电缆有限公司 Novel photoelectric composite cable for cable televisions

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CN107154292B (en) 2018-11-13
CN107170534B (en) 2019-05-24
CN106328303B (en) 2017-12-05
CN106328303A (en) 2017-01-11
WO2018076686A1 (en) 2018-05-03

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