CN107170534B - A method of manufacture magnaflux low weight optoelectronic composite cable - Google Patents

A method of manufacture magnaflux low weight optoelectronic composite cable Download PDF

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CN107170534B
CN107170534B CN201710366944.4A CN201710366944A CN107170534B CN 107170534 B CN107170534 B CN 107170534B CN 201710366944 A CN201710366944 A CN 201710366944A CN 107170534 B CN107170534 B CN 107170534B
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diameter
conductor
inner conductor
low weight
resistance
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CN107170534A (en
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袁红
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Yangzhou Haihong Cable Co ltd
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Yangzhou Haihong Cable Co 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 fields, more particularly, to a kind of method for manufacturing magnaflux low weight optoelectronic composite cable, it is characterised in that it is to have follow steps: the step of releasing optical fiber；The step of forming inner conductor；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 materials of the structure of the optoelectronic composite cable and inner and outer conductor.The present invention has following main advantageous effects: light-weight, outer diameter is small, stretching resistance is big, high temperature resistance is good, anti-twisting property is strong, easily fabricated, product qualified rate is light.

Description

A method of manufacture magnaflux low weight optoelectronic composite cable
The application is title are as follows: a kind of manufacturing method of magnaflux low weight optoelectronic composite cable, the applying date are as follows: On October 25th, 2016, application No. is the divisional applications of 201610940456.5 application for a patent for invention.
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 manufacturing method.
Background technique
Optical fiber has many advantages, such as strong light-weight, 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 in the prior art are mostly used for ground communication technology, do not have both above-mentioned function, for this purpose, Urgently there is satisfactory optoelectronic composite cable in technical field of aerospace.
Summary of the invention
To solve the above-mentioned problems, the purpose of the present invention is disclose a kind of magnaflux low weight optoelectronic composite cable and Its manufacturing method, they adopt the following technical solutions to realize.
In embodiment 1 of the invention, a kind of magnaflux low weight optoelectronic composite cable, by centrally located light guide Fiber, the inner conductor except optical fiber, the inner insulating layer except inner conductor, outer except inner insulating layer are led Body, the outer rim edge layer except outer conductor, the stretch-proof restrictive coating except outer rim edge layer 5 are constituted；It is characterized by:
The diameter of the optical fiber is 0.45~0.65mm, and the outermost layer of optical fiber is polytetrafluoroethylene ethylene layer, curved Bilge radius is that the maximum additional attenuation of optical fiber within the scope of 1~2000mm is 0.05dB/km；
The inner conductor is twisted by the copper alloy silk that more diameters are 0.01~0.1mm, and the diameter of inner conductor is 1.75~1.95mm, maximum D.C. resistance is 2.2 Ω/100m at 20 DEG C of inner conductor, and inner conductor is close to optical fiber；
The material of the inner insulating layer is 150 DEG C of high temperature resistant aromatic hydrocarbon, and the diameter of inner insulating layer is 2.5~2.7mm, interior exhausted Edge layer extrusion molding is coated on outside inner conductor；
The outer conductor is twisted by the copper alloy silk that more diameters are 0.01~0.1mm, maximum at 20 DEG C of outer conductor D.C. 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 outside aramid yarn by the close wrapped aramid yarn except outer insulating layer, extrusion molding Elastomeric material is constituted, and the diameter of stretch-proof restrictive coating is 3.9~4.1mm；
In the magnaflux low weight optoelectronic composite cable: the capacitor in 1KHZ frequency test between internal and external conductor Value is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109Ω/100m；Minimum between internal and external conductor DC break down voltage is 5000V；The current-carrying capacity nominal value of the magnaflux low weight optoelectronic composite cable is 15A, Unit Weight It is 500N for 2.0~2.2kg/100m, minimum stretching resistance.
In embodiment 2 of the invention, a kind of magnaflux low weight optoelectronic composite cable, by centrally located light guide Fiber, the inner conductor except optical fiber, the inner insulating layer except inner conductor, outer except inner insulating layer are led Body, the outer rim edge layer except outer conductor, the stretch-proof restrictive coating except outer rim edge layer are constituted；It is characterized by:
The diameter of the optical fiber is 0.45~0.65mm, and the outermost layer of optical fiber is polytetrafluoroethylene ethylene layer, curved Bilge radius is that the maximum additional attenuation of optical fiber within the scope of 1~2000mm is 0.05dB/km；
The inner conductor is drawn into hollow structure by copper alloy bar and is formed, and the diameter of inner conductor is 1.75~1.95mm, Maximum D.C. resistance is 2.2 Ω/100m at 20 DEG C of inner conductor, has inner conductor chamber 21 inside inner conductor, and optical fiber is located at interior In conductor chamber, the diameter of inner conductor 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, and the diameter of inner insulating layer is 2.5~2.7mm, interior exhausted Edge layer extrusion molding is coated on outside inner conductor；
The outer conductor is twisted by the copper alloy silk that more diameters are 0.01~0.1mm, maximum at 20 DEG C of outer conductor D.C. resistance is 1.8 Ω/100m, and outer conductor is close to inner insulating layer, and the cross-sectional area of inner conductor 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 outside aramid yarn by the close wrapped aramid yarn except outer insulating layer, extrusion molding Elastomeric material is constituted, and the diameter of stretch-proof restrictive coating is 3.9~4.1mm；
In the magnaflux low weight optoelectronic composite cable: the capacitor in 1KHZ frequency test between internal and external conductor Value is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109Ω/100m；Minimum between internal and external conductor DC break down voltage is 5000V；The current-carrying capacity nominal value of the magnaflux low weight optoelectronic composite cable is 15A, Unit Weight It is 500N for 2.0~2.2kg/100m, minimum stretching resistance.
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 except bare fibre, the second hard-pressed bale layer except 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 except 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 It is TPU class elastomer or TPE class elastomer.
A method of manufacture magnaflux low weight optoelectronic composite cable, it is characterised in that it through the following steps that What manufacture obtained:
Step 1: to take diameter be 0.45~0.65mm, outermost layer be polytetrafluoroethylene ethylene layer, bending radius be 1~ The maximum additional attenuation of optical fiber is the optical fiber of 0.05dB/km within the scope of 2000mm, carries out putting fibre；
Step 2: the optical fiber for taking the copper alloy silk that more diameters are 0.01~0.1mm to release in the first step is tight Patch optical fiber is twisted, and forming maximum D.C. resistance when diameter is 1.75~1.95mm, 20 DEG C is that 2.2 Ω/100m is interior Conductor draws and passes through the first extrusion head；
It is led step 3: 150 DEG C of high temperature resistant aromatic hydrocarbon are squeezed out and are coated in second step formation from the first extrusion head It is external to form inner insulating layer, and make 2.5~2.7mm of diameter of inner insulating layer, and constantly traction is allowed to cool, forming diameter is The inner insulating layer of 2.55~2.65mm sufficient crystallising；
Step 4: taking more diameters is that the copper alloy silk of 0.01~0.1mm surrounds and is close to the abundant knot of third step formation Brilliant inner insulating layer is twisted, and maximum D.C. resistance is 1.8 Ω/100m outer conductor when forming 20 DEG C；
Step 5: 150 DEG C of high temperature resistant aromatic hydrocarbon to be squeezed out to from the first extrusion head and are coated on outer the leading of the 4th step formation It is external to form external insulation layer；
Step 6: forming stretch-proof restrictive coating: taking more aramid yarns closely outside the external insulation layer that the 5th step is formed Cable core is formed, and draws cable core, takes TPU class elastomer or TPE class elastomer extrusion molding to be coated on outside cable core and forms restrictive coating, then With the pressure of 2~4 atmospheric pressure, using compressed air, 18~28 DEG C of temperature, 30~50 ms/min of speed, to restrictive coating It is cooled down and is drawn, be coiled on take-up reel of the shaft diameter greater than 300mm, it is multiple to complete magnaflux low weight photoelectricity Close the manufacture of cable；The diameter of restrictive coating is 3.9~4.1mm；In the magnaflux low weight optoelectronic composite cable: in 1KHZ Capacitance when frequency test between internal and external conductor is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109Ω/100m；Minimum direct current pressure resistance between internal and external conductor is 5000V；The magnaflux low weight optoelectronic composite cable Current-carrying capacity nominal value be 15A, Unit Weight is 2.0~2.2kg/100m, minimum stretching resistance is 500N.
A method of manufacture magnaflux low weight optoelectronic composite cable, it is characterised in that it through the following steps that What manufacture obtained:
Step 1: to take diameter be 0.45~0.65mm, outermost layer be polytetrafluoroethylene ethylene layer, bending radius be 1~ The maximum additional attenuation of optical fiber is the optical fiber of 0.05dB/km within the scope of 2000mm, carries out putting fibre；
Step 2: taking copper alloy bar to be drawn into hollow structure forms inner conductor, there is inner conductor chamber inside inner conductor, it is interior The diameter of conductor is 1.75~1.95mm, and maximum D.C. resistance is 2.2 Ω/100m at 20 DEG C of inner conductor；It will be released in the first step Optical fiber penetrate in inner conductor chamber, draw simultaneously pass through the first extrusion head；The diameter of inner conductor chamber is optical fiber diameter 1.2~1.4 times；
It is led step 3: 150 DEG C of high temperature resistant aromatic hydrocarbon are squeezed out and are coated in second step formation from the first extrusion head It is external to form inner insulating layer, and make 2.5~2.7mm of diameter of inner insulating layer, and constantly traction is allowed to cool, forming diameter is The inner insulating layer of 2.55~2.65mm sufficient crystallising；
Step 4: taking more diameters is that the copper alloy silk of 0.01~0.1mm surrounds and is close to the abundant knot of third step formation Brilliant inner insulating layer is twisted, and maximum D.C. resistance is 1.8 Ω/100m outer conductor when forming 20 DEG C；Inner conductor it is transversal Area is less than the cross-sectional area of outer conductor；
Step 5: 150 DEG C of high temperature resistant aromatic hydrocarbon to be squeezed out to from the first extrusion head and are coated on outer the leading of the 4th step formation It is external to form external insulation layer；
Step 6: forming stretch-proof restrictive coating: taking more aramid yarns closely outside the external insulation layer that the 5th step is formed Cable core is formed, and draws cable core, takes TPU class elastomer or TPE class elastomer extrusion molding to be coated on outside cable core and forms restrictive coating, then With the pressure of 2~4 atmospheric pressure, using compressed air, 18~28 DEG C of temperature, 30~50 ms/min of speed, to restrictive coating It is cooled down and is drawn, be coiled on take-up reel of the shaft diameter greater than 300mm, it is multiple to complete magnaflux low weight photoelectricity Close the manufacture of cable；The diameter of restrictive coating is 3.9~4.1mm；In the magnaflux low weight optoelectronic composite cable: in 1KHZ Capacitance when frequency test between internal and external conductor is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109Ω/100m；Minimum direct current pressure resistance between internal and external conductor is 5000V；The magnaflux low weight optoelectronic composite cable Current-carrying capacity nominal value be 15A, Unit Weight is 2.0~2.2kg/100m, minimum stretching resistance is 500N.
The present invention has following main advantageous effects: light-weight, outer diameter is small, stretching resistance is big, high temperature resistance is good, anti- Torsion ability is strong.
Detailed description of the invention
Fig. 1 is that 1 solution of embodiment of the present invention splits the schematic perspective view after one section.
Fig. 2 is that 2 solution of embodiment of the present invention splits the schematic perspective view after one section.
Fig. 3 is the cross-sectional structure schematic diagram of Fig. 2 amplification.
Fig. 4 is the cross-sectional structure schematic diagram of the optical fiber used in embodiment 3 of the present invention.
Specific embodiment
In order to be better understood when the public and implement the present invention, the present invention is carried out now in conjunction with Figure of description detailed Illustrate, the corresponding title of appended drawing reference is as follows: 1-optical fiber, 2-inner conductors, 3-inner insulating layers, 4-outer conductors, 5-are outside Edge edge layer, 6-stretch-proof restrictive coatings, 11-bare fibres, the 12-the first hard-pressed bale layer, the 13-the second hard-pressed bale layer, 21-inner conductor chambers.
Embodiment 1
Referring to Fig.1, a kind of magnaflux low weight optoelectronic composite cable, by centrally located optical fiber 1, is located at light Lead the inner conductor 2 except fiber 1, the inner insulating layer 3 except inner conductor 2, the outer conductor 4 except inner insulating layer 3, position Outer rim edge layer 5 except outer conductor 4, the stretch-proof restrictive coating 6 except outer rim edge layer 5 are constituted；It is characterized by:
The diameter of the optical fiber is 0.45~0.65mm, and the outermost layer of optical fiber is polytetrafluoroethylene ethylene layer, curved Bilge radius is that the maximum additional attenuation of optical fiber within the scope of 1~2000mm is 0.05dB/km；
The inner conductor is twisted by the copper alloy silk that more diameters are 0.01~0.1mm, and the diameter of inner conductor is 1.75~1.95mm, maximum D.C. resistance is 2.2 Ω/100m at 20 DEG C of inner conductor, and inner conductor is close to optical fiber；
The material of the inner insulating layer is 150 DEG C of high temperature resistant aromatic hydrocarbon, and the diameter of inner insulating layer is 2.5~2.7mm, interior exhausted Edge layer extrusion molding is coated on outside inner conductor；
The outer conductor is twisted by the copper alloy silk that more diameters are 0.01~0.1mm, maximum at 20 DEG C of outer conductor D.C. 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 outside aramid yarn by the close wrapped aramid yarn except outer insulating layer, extrusion molding Elastomeric material is constituted, and the diameter of stretch-proof restrictive coating is 3.9~4.1mm；
In the magnaflux low weight optoelectronic composite cable: the capacitor in 1KHZ frequency test between internal and external conductor Value is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109Ω/100m；Minimum between internal and external conductor DC break down voltage is 5000V；The current-carrying capacity nominal value of the magnaflux low weight optoelectronic composite cable is 15A, Unit Weight It is 500N for 2.0~2.2kg/100m, minimum stretching resistance.
A kind of magnaflux low weight optoelectronic composite cable described above, it is characterised in that it is using following methods What manufacture obtained:
Step 1: to take diameter be 0.45~0.65mm, outermost layer be polytetrafluoroethylene ethylene layer, bending radius be 1~ The maximum additional attenuation of optical fiber is the optical fiber of 0.05dB/km within the scope of 2000mm, carries out putting fibre；
Step 2: the optical fiber for taking the copper alloy silk that more diameters are 0.01~0.1mm to release in the first step is tight Patch optical fiber is twisted, and forming maximum D.C. resistance when diameter is 1.75~1.95mm, 20 DEG C is that 2.2 Ω/100m is interior Conductor draws and passes through the first extrusion head；
It is led step 3: 150 DEG C of high temperature resistant aromatic hydrocarbon are squeezed out and are coated in second step formation from the first extrusion head It is external to form inner insulating layer, and make 2.5~2.7mm of diameter of inner insulating layer, and constantly traction is allowed to cool, forming diameter is The inner insulating layer of 2.55~2.65mm sufficient crystallising；
Step 4: taking more diameters is that the copper alloy silk of 0.01~0.1mm surrounds and is close to the abundant knot of third step formation Brilliant inner insulating layer is twisted, and maximum D.C. resistance is 1.8 Ω/100m outer conductor when forming 20 DEG C；
Step 5: 150 DEG C of high temperature resistant aromatic hydrocarbon to be squeezed out to from the first extrusion head and are coated on outer the leading of the 4th step formation It is external to form external insulation layer；
Step 6: forming stretch-proof restrictive coating: taking more aramid yarns closely outside the external insulation layer that the 5th step is formed Cable core is formed, and draws cable core, takes TPU class elastomer or TPE class elastomer extrusion molding to be coated on outside cable core and forms restrictive coating, then With the pressure of 2~4 atmospheric pressure, using compressed air, 18~28 DEG C of temperature, 30~50 ms/min of speed, to restrictive coating It is cooled down and is drawn, be coiled on take-up reel of the shaft diameter greater than 300mm, it is multiple to complete magnaflux low weight photoelectricity Close the manufacture of cable；The diameter of restrictive coating is 3.9~4.1mm；In the magnaflux low weight optoelectronic composite cable: in 1KHZ Capacitance when frequency test between internal and external conductor is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109Ω/100m；Minimum direct current pressure resistance between internal and external conductor is 5000V；The magnaflux low weight optoelectronic composite cable Current-carrying capacity nominal value be 15A, Unit Weight is 2.0~2.2kg/100m, minimum stretching resistance is 500N.
Embodiment 2
See Fig. 2 and Fig. 3, a kind of magnaflux low weight optoelectronic composite cable, by centrally located optical fiber 1, Inner conductor 2 except optical fiber 1, the inner insulating layer 3 except inner conductor 2, outer except inner insulating layer 3 are led Body 4, the outer rim edge layer 5 except outer conductor 4, the stretch-proof restrictive coating 6 except outer rim edge layer 5 are constituted；Its feature exists In:
The diameter of the optical fiber is 0.45~0.65mm, and the outermost layer of optical fiber is polytetrafluoroethylene ethylene layer, curved Bilge radius is that the maximum additional attenuation of optical fiber within the scope of 1~2000mm is 0.05dB/km；
The inner conductor is drawn into hollow structure by copper alloy bar and is formed, and the diameter of inner conductor is 1.75~1.95mm, Maximum D.C. resistance is 2.2 Ω/100m at 20 DEG C of inner conductor, has inner conductor chamber 21 inside inner conductor, and optical fiber is located at interior In conductor chamber, the diameter of inner conductor 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, and the diameter of inner insulating layer is 2.5~2.7mm, interior exhausted Edge layer extrusion molding is coated on outside inner conductor；
The outer conductor is twisted by the copper alloy silk that more diameters are 0.01~0.1mm, maximum at 20 DEG C of outer conductor D.C. 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 outside aramid yarn by the close wrapped aramid yarn except outer insulating layer, extrusion molding Elastomeric material is constituted, and the diameter of stretch-proof restrictive coating is 3.9~4.1mm；
In the magnaflux low weight optoelectronic composite cable: the capacitor in 1KHZ frequency test between internal and external conductor Value is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109Ω/100m；Minimum between internal and external conductor DC break down voltage is 5000V；The current-carrying capacity nominal value of the magnaflux low weight optoelectronic composite cable is 15A, Unit Weight It is 500N for 2.0~2.2kg/100m, minimum stretching resistance.
A kind of magnaflux low weight optoelectronic composite cable described above, it is characterised in that the inner conductor it is transversal Area is less than the cross-sectional area of outer conductor, due to inner conductor chamber, inner conductor has more preferably heat dissipation performance, is passing When defeated same electric load, the cross section of inner conductor can be smaller than the cross-sectional area of outer conductor, has not only saved cost in this way, And the more exquisite of outer diameter is realized, more suitable for narrow space in aircraft；In addition, due to the presence of inner conductor chamber, Optical fiber is moved in inner conductor chamber, can make optical fiber more can bear hot environment, the light in this embodiment Photoelectric compound cable has higher electric overload ability 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 using following methods What manufacture obtained:
Step 1: to take diameter be 0.45~0.65mm, outermost layer be polytetrafluoroethylene ethylene layer, bending radius be 1~ The maximum additional attenuation of optical fiber is the optical fiber of 0.05dB/km within the scope of 2000mm, carries out putting fibre；
Step 2: taking copper alloy bar to be drawn into hollow structure forms inner conductor, there is inner conductor chamber inside inner conductor, it is interior The diameter of conductor is 1.75~1.95mm, and maximum D.C. resistance is 2.2 Ω/100m at 20 DEG C of inner conductor；It will be released in the first step Optical fiber penetrate in inner conductor chamber, draw simultaneously pass through the first extrusion head；The diameter of inner conductor chamber is optical fiber diameter 1.2~1.4 times；
It is led step 3: 150 DEG C of high temperature resistant aromatic hydrocarbon are squeezed out and are coated in second step formation from the first extrusion head It is external to form inner insulating layer, and make 2.5~2.7mm of diameter of inner insulating layer, and constantly traction is allowed to cool, forming diameter is The inner insulating layer of 2.55~2.65mm sufficient crystallising；
Step 4: taking more diameters is that the copper alloy silk of 0.01~0.1mm surrounds and is close to the abundant knot of third step formation Brilliant inner insulating layer is twisted, and maximum D.C. resistance is 1.8 Ω/100m outer conductor when forming 20 DEG C；Inner conductor it is transversal Area is less than the cross-sectional area of outer conductor；
Step 5: 150 DEG C of high temperature resistant aromatic hydrocarbon to be squeezed out to from the first extrusion head and are coated on outer the leading of the 4th step formation It is external to form external insulation layer；
Step 6: forming stretch-proof restrictive coating: taking more aramid yarns closely outside the external insulation layer that the 5th step is formed Cable core is formed, and draws cable core, takes TPU class elastomer or TPE class elastomer extrusion molding to be coated on outside cable core and forms restrictive coating, then With the pressure of 2~4 atmospheric pressure, using compressed air, 18~28 DEG C of temperature, 30~50 ms/min of speed, to restrictive coating It is cooled down and is drawn, be coiled on take-up reel of the shaft diameter greater than 300mm, it is multiple to complete magnaflux low weight photoelectricity Close the manufacture of cable；The diameter of restrictive coating is 3.9~4.1mm；In the magnaflux low weight optoelectronic composite cable: in 1KHZ Capacitance when frequency test between internal and external conductor is 10~100nF/100m；Minimum insulation resistance between internal and external conductor is 109Ω/100m；Minimum direct current pressure resistance between internal and external conductor is 5000V；The magnaflux low weight optoelectronic composite cable Current-carrying capacity nominal value be 15A, Unit Weight is 2.0~2.2kg/100m, minimum stretching resistance is 500N.
Embodiment 3
See Fig. 3, and Fig. 1 and Fig. 2 is referred to, a kind of magnaflux low weight optoelectronic composite cable is basic real with implementing Example 1 or embodiment 2, the difference is that: the optical fiber 1 is by bare fibre 11, the first hard-pressed bale except bare fibre Layer 12, the second hard-pressed bale layer 13 except the first hard-pressed bale layer are constituted, and the material of the first hard-pressed bale layer is polyvinyl chloride or Buddhist nun Dragon, the material of the second hard-pressed bale layer are polytetrafluoroethylene (PTFE).
Further, a kind of magnaflux low weight optoelectronic composite cable described above, the optical fiber may be used also It is made of bare fibre 11, the first hard-pressed bale layer 12 except bare fibre；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 is TPU class elastomer or TPE class elastomer.
A kind of side of manufacture magnaflux low weight optoelectronic composite cable described in embodiment 1 or embodiment 2 Method, in the first step, can also take: diameter is 0.45~0.65mm, is optical fiber within the scope of 1~2000mm in bending radius Maximum additional attenuation be 0.05dB/km, by bare fibre, the first hard-pressed bale layer except bare fibre, be located at the first hard-pressed bale layer it The optical fiber that the second outer hard-pressed bale layer is constituted, the material of the first hard-pressed bale layer are polyvinyl chloride or nylon, and described second is tight The material of covering is polytetrafluoroethylene (PTFE)；Or to take diameter be 0.45~0.65mm, is light within the scope of 1~2000mm in bending radius Lead the light guide that the maximum additional attenuation of fiber is 0.05dB/km, is made of bare fibre, the first hard-pressed bale layer except bare fibre Fiber, the material of the first hard-pressed bale layer are polyvinyl chloride or nylon, and the material of the second hard-pressed bale layer is polytetrafluoroethylene (PTFE).
Optoelectronic composite cable in the present invention has reached ideal effect, in 500N, 1 hour long-term pulling force by test Under, additional attenuation maximum value is 0.035dB/km, after pulling force removal, and overstrain maximum value is 0.003%；By 10,000 times ± 360 degree, rate be 60 beats/min it is continuous reverse after, additional attenuation of the optical cable surface without eyesight visible crack, optical fiber Maximum value is only 0.039dB/km；The present invention 150 DEG C, current-carrying capacity be 15A under the conditions of, continuous work 4320 hours, during which Optical fiber additional attenuation maximum value is 0.051dB/km；Therefore, optoelectronic composite cable of the invention has reached the requirement of aviation, through trying With having reached ideal 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 is polyamide or polyurethane.
In a kind of magnaflux low weight optoelectronic composite cable of the invention and manufacturing method, used inner conductor 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%, silver-colored 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%, 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%, manganese 0.3%, chromium 0.7%, platinum 0.2%, surplus are copper.
Above-mentioned copper alloy is made into after copper alloy silk or copper alloy bar through measuring, and resistivity is 0.0003~0.0011 Ω mm221~46%, intensity that/m, elongation at break are about 30.4~33.1%, density is about fine copper be about fine copper 216~ 412%；When optimization formula, parameter is the both ends average value in above-mentioned value, and therefore, photoelectricity made of the copper alloy in the present invention is multiple Cable is closed, so that energization ability is stronger, intensity is higher, weight is lighter, softness is more excellent.
Manufacturing method in the present invention is simple, be easy to grasp, product qualified rate obtained 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 should be understood that design of the invention can be by other various shapes Formula is implemented to use, they also fall in 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 It makes:
Step 1: to take diameter be 0.45~0.65mm, additional in the maximum that bending radius is optical fiber within the scope of 1~2000mm Decay to 0.05dB/km, by bare fibre, the first hard-pressed bale layer except bare fibre, second except 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 are polyvinyl chloride or nylon, the material of the second hard-pressed bale layer Material is polytetrafluoroethylene (PTFE)；It carries out putting fibre；
Step 2: taking copper alloy bar to be drawn into hollow structure forms inner conductor, there is inner conductor chamber inside inner conductor, inner conductor Diameter is 1.75~1.95mm, and maximum D.C. resistance is 2.2 Ω/100m at 20 DEG C of inner conductor；The light guide that will be released in the first step Fiber penetrates in inner conductor chamber, draws and passes through the first extrusion head；The diameter of inner conductor chamber be optical fiber diameter 1.2~ 1.4 again；
Step 3: 150 DEG C of high temperature resistant aromatic hydrocarbon are squeezed out from the first extrusion head and are coated on outside the inner conductor that second step is formed Inner insulating layer is formed, and makes 2.5~2.7mm of diameter of inner insulating layer, and constantly traction is allowed to cool, forming diameter is 2.55 The inner insulating layer of~2.65mm sufficient crystallising；
Step 4: taking more diameters is that the copper alloy silk of 0.01~0.1mm surrounds and is close to the sufficient crystallising of third step formation Inner insulating layer is twisted, and maximum D.C. resistance is 1.8 Ω/100m outer conductor when forming 20 DEG C；The cross-sectional area of inner conductor Less than the cross-sectional area of outer conductor；
Step 5: 150 DEG C of high temperature resistant aromatic hydrocarbon are squeezed out from the first extrusion head and are coated on outside the outer conductor that the 4th step is formed Form external insulation layer；
Step 6: forming stretch-proof restrictive coating: more aramid yarns being taken closely to be formed outside the external insulation layer that the 5th step is formed Cable core, and cable core is drawn, it takes TPU class elastomer or TPE class elastomer extrusion molding to be coated on outside cable core and forms 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, to restrictive coating into Row is cooling and draws, and is coiled on take-up reel of the shaft diameter greater than 300mm, it is compound to complete magnaflux low weight photoelectricity The manufacture of cable；The diameter of restrictive coating is 3.9~4.1mm；In the magnaflux low weight optoelectronic composite cable: in 1KHZ frequency 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 pressure resistance between internal and external conductor is 5000V；The magnaflux low weight optoelectronic composite cable Current-carrying capacity nominal value is 15A, Unit Weight is 2.0~2.2kg/100m, minimum stretching resistance is 500N；
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%, 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%, 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 It makes:
Step 1: to take diameter be 0.45~0.65mm, additional in the maximum that bending radius is optical fiber within the scope of 1~2000mm The optical fiber for decaying to 0.05dB/km, being made of bare fibre, the first hard-pressed bale layer except bare fibre, 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), carries out putting fibre；
Step 2: taking copper alloy bar to be drawn into hollow structure forms inner conductor, there is inner conductor chamber inside inner conductor, inner conductor Diameter is 1.75~1.95mm, and maximum D.C. resistance is 2.2 Ω/100m at 20 DEG C of inner conductor；The light guide that will be released in the first step Fiber penetrates in inner conductor chamber, draws and passes through the first extrusion head；The diameter of inner conductor chamber be optical fiber diameter 1.2~ 1.4 again；
Step 3: 150 DEG C of high temperature resistant aromatic hydrocarbon are squeezed out from the first extrusion head and are coated on outside the inner conductor that second step is formed Inner insulating layer is formed, and makes 2.5~2.7mm of diameter of inner insulating layer, and constantly traction is allowed to cool, forming diameter is 2.55 The inner insulating layer of~2.65mm sufficient crystallising；
Step 4: taking more diameters is that the copper alloy silk of 0.01~0.1mm surrounds and is close to the sufficient crystallising of third step formation Inner insulating layer is twisted, and maximum D.C. resistance is 1.8 Ω/100m outer conductor when forming 20 DEG C；The cross-sectional area of inner conductor Less than the cross-sectional area of outer conductor；
Step 5: 150 DEG C of high temperature resistant aromatic hydrocarbon are squeezed out from the first extrusion head and are coated on outside the outer conductor that the 4th step is formed Form external insulation layer；
Step 6: forming stretch-proof restrictive coating: more aramid yarns being taken closely to be formed outside the external insulation layer that the 5th step is formed Cable core, and cable core is drawn, it takes TPU class elastomer or TPE class elastomer extrusion molding to be coated on outside cable core and forms 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, to restrictive coating into Row is cooling and draws, and is coiled on take-up reel of the shaft diameter greater than 300mm, it is compound to complete magnaflux low weight photoelectricity The manufacture of cable；The diameter of restrictive coating is 3.9~4.1mm；In the magnaflux low weight optoelectronic composite cable: in 1KHZ frequency 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 pressure resistance between internal and external conductor is 5000V；The magnaflux low weight optoelectronic composite cable Current-carrying capacity nominal value is 15A, Unit Weight is 2.0~2.2kg/100m, minimum stretching resistance is 500N；
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%, 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%, 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 It makes:
Step 1: to take diameter be 0.45~0.65mm, additional in the maximum that bending radius is optical fiber within the scope of 1~2000mm The optical fiber for decaying to 0.05dB/km, being made of bare fibre, the first hard-pressed bale layer except bare fibre, 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), carries out putting fibre；
Step 2: taking copper alloy bar to be drawn into hollow structure forms inner conductor, there is inner conductor chamber inside inner conductor, inner conductor Diameter is 1.75~1.95mm, and maximum D.C. resistance is 2.2 Ω/100m at 20 DEG C of inner conductor；The light guide that will be released in the first step Fiber penetrates in inner conductor chamber, draws and passes through the first extrusion head；The diameter of inner conductor chamber be optical fiber diameter 1.2~ 1.4 again；
Step 3: 150 DEG C of high temperature resistant aromatic hydrocarbon are squeezed out from the first extrusion head and are coated on outside the inner conductor that second step is formed Inner insulating layer is formed, and makes 2.5~2.7mm of diameter of inner insulating layer, and constantly traction is allowed to cool, forming diameter is 2.55 The inner insulating layer of~2.65mm sufficient crystallising；
Step 4: taking more diameters is that the copper alloy silk of 0.01~0.1mm surrounds and is close to the sufficient crystallising of third step formation Inner insulating layer is twisted, and maximum D.C. resistance is 1.8 Ω/100m outer conductor when forming 20 DEG C；The cross-sectional area of inner conductor Less than the cross-sectional area of outer conductor；
Step 5: 150 DEG C of high temperature resistant aromatic hydrocarbon are squeezed out from the first extrusion head and are coated on outside the outer conductor that the 4th step is formed Form external insulation layer；
Step 6: forming stretch-proof restrictive coating: more aramid yarns being taken closely to be formed outside the external insulation layer that the 5th step is formed Cable core, and cable core is drawn, it takes TPU class elastomer or TPE class elastomer extrusion molding to be coated on outside cable core and forms 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, to restrictive coating into Row is cooling and draws, and is coiled on take-up reel of the shaft diameter greater than 300mm, it is compound to complete magnaflux low weight photoelectricity The manufacture of cable；The diameter of restrictive coating is 3.9~4.1mm；In the magnaflux low weight optoelectronic composite cable: in 1KHZ frequency 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 pressure resistance between internal and external conductor is 5000V；The magnaflux low weight optoelectronic composite cable Current-carrying capacity nominal value is 15A, Unit Weight is 2.0~2.2kg/100m, minimum stretching resistance is 500N；
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%, 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 It makes:
Step 1: to take diameter be 0.45~0.65mm, additional in the maximum that bending radius is optical fiber within the scope of 1~2000mm Decay to 0.05dB/km, by bare fibre, the first hard-pressed bale layer except bare fibre, second except 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 are polyvinyl chloride or nylon, the material of the second hard-pressed bale layer Material is polytetrafluoroethylene (PTFE)；It carries out putting fibre；
Step 2: taking copper alloy bar to be drawn into hollow structure forms inner conductor, there is inner conductor chamber inside inner conductor, inner conductor Diameter is 1.75~1.95mm, and maximum D.C. resistance is 2.2 Ω/100m at 20 DEG C of inner conductor；The light guide that will be released in the first step Fiber penetrates in inner conductor chamber, draws and passes through the first extrusion head；The diameter of inner conductor chamber be optical fiber diameter 1.2~ 1.4 again；
Step 3: 150 DEG C of high temperature resistant aromatic hydrocarbon are squeezed out from the first extrusion head and are coated on outside the inner conductor that second step is formed Inner insulating layer is formed, and makes 2.5~2.7mm of diameter of inner insulating layer, and constantly traction is allowed to cool, forming diameter is 2.55 The inner insulating layer of~2.65mm sufficient crystallising；
Step 4: taking more diameters is that the copper alloy silk of 0.01~0.1mm surrounds and is close to the sufficient crystallising of third step formation Inner insulating layer is twisted, and maximum D.C. resistance is 1.8 Ω/100m outer conductor when forming 20 DEG C；The cross-sectional area of inner conductor Less than the cross-sectional area of outer conductor；
Step 5: 150 DEG C of high temperature resistant aromatic hydrocarbon are squeezed out from the first extrusion head and are coated on outside the outer conductor that the 4th step is formed Form external insulation layer；
Step 6: forming stretch-proof restrictive coating: more aramid yarns being taken closely to be formed outside the external insulation layer that the 5th step is formed Cable core, and cable core is drawn, it takes TPU class elastomer or TPE class elastomer extrusion molding to be coated on outside cable core and forms 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, to restrictive coating into Row is cooling and draws, and is coiled on take-up reel of the shaft diameter greater than 300mm, it is compound to complete magnaflux low weight photoelectricity The manufacture of cable；The diameter of restrictive coating is 3.9~4.1mm；In the magnaflux low weight optoelectronic composite cable: in 1KHZ frequency 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 pressure resistance between internal and external conductor is 5000V；The magnaflux low weight optoelectronic composite cable Current-carrying capacity nominal value is 15A, Unit Weight is 2.0~2.2kg/100m, minimum stretching resistance is 500N.
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 It makes:
Step 1: to take diameter be 0.45~0.65mm, additional in the maximum that bending radius is optical fiber within the scope of 1~2000mm The optical fiber for decaying to 0.05dB/km, being made of bare fibre, the first hard-pressed bale layer except bare fibre, 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), carries out putting fibre；
Step 2: taking copper alloy bar to be drawn into hollow structure forms inner conductor, there is inner conductor chamber inside inner conductor, inner conductor Diameter is 1.75~1.95mm, and maximum D.C. resistance is 2.2 Ω/100m at 20 DEG C of inner conductor；The light guide that will be released in the first step Fiber penetrates in inner conductor chamber, draws and passes through the first extrusion head；The diameter of inner conductor chamber be optical fiber diameter 1.2~ 1.4 again；
Step 3: 150 DEG C of high temperature resistant aromatic hydrocarbon are squeezed out from the first extrusion head and are coated on outside the inner conductor that second step is formed Inner insulating layer is formed, and makes 2.5~2.7mm of diameter of inner insulating layer, and constantly traction is allowed to cool, forming diameter is 2.55 The inner insulating layer of~2.65mm sufficient crystallising；
Step 4: taking more diameters is that the copper alloy silk of 0.01~0.1mm surrounds and is close to the sufficient crystallising of third step formation Inner insulating layer is twisted, and maximum D.C. resistance is 1.8 Ω/100m outer conductor when forming 20 DEG C；The cross-sectional area of inner conductor Less than the cross-sectional area of outer conductor；
Step 5: 150 DEG C of high temperature resistant aromatic hydrocarbon are squeezed out from the first extrusion head and are coated on outside the outer conductor that the 4th step is formed Form external insulation layer；
Step 6: forming stretch-proof restrictive coating: more aramid yarns being taken closely to be formed outside the external insulation layer that the 5th step is formed Cable core, and cable core is drawn, it takes TPU class elastomer or TPE class elastomer extrusion molding to be coated on outside cable core and forms 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, to restrictive coating into Row is cooling and draws, and is coiled on take-up reel of the shaft diameter greater than 300mm, it is compound to complete magnaflux low weight photoelectricity The manufacture of cable；The diameter of restrictive coating is 3.9~4.1mm；In the magnaflux low weight optoelectronic composite cable: in 1KHZ frequency 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 pressure resistance between internal and external conductor is 5000V；The magnaflux low weight optoelectronic composite cable Current-carrying capacity nominal value is 15A, Unit Weight is 2.0~2.2kg/100m, minimum stretching resistance is 500N.
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CN107170534A (en) 2017-09-15
CN106328303A (en) 2017-01-11
WO2018076686A1 (en) 2018-05-03

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