CN104698560B - A kind of manufacture method to communicate with remote radio head optical cable, cable and optoelectronic composite cable - Google Patents

A kind of manufacture method to communicate with remote radio head optical cable, cable and optoelectronic composite cable Download PDF

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Publication number
CN104698560B
CN104698560B CN201510160304.9A CN201510160304A CN104698560B CN 104698560 B CN104698560 B CN 104698560B CN 201510160304 A CN201510160304 A CN 201510160304A CN 104698560 B CN104698560 B CN 104698560B
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China
Prior art keywords
parts
layer
bed course
optical fiber
inner cushion
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Expired - Fee Related
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CN201510160304.9A
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Chinese (zh)
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CN104698560A (en
Inventor
陈冠瑜
曾广彬
胡仕国
王仕俊
吴连飞
陈辉
吴连君
张顶松
胡仕朗
王娟
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Yangzhou City Hongqi Cable Making Co., Ltd.
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YANGZHOU CITY HONGQI CABLE MAKING CO Ltd
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Application filed by YANGZHOU CITY HONGQI CABLE MAKING CO Ltd filed Critical YANGZHOU CITY HONGQI CABLE MAKING CO Ltd
Priority to CN201710850251.2A priority Critical patent/CN107544120A/en
Priority to CN201510160304.9A priority patent/CN104698560B/en
Priority to CN201710850252.7A priority patent/CN107450141B/en
Publication of CN104698560A publication Critical patent/CN104698560A/en
Application granted granted Critical
Publication of CN104698560B publication Critical patent/CN104698560B/en
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/443Protective covering
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/443Protective covering
    • G02B6/4432Protective covering with fibre reinforcements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4479Manufacturing methods of optical cables
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/04Flexible cables, conductors, or cords, e.g. trailing cables
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00Power cables
    • H01B9/005Power cables including optical transmission elements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention belongs to technical field of cables, the manufacture method more particularly, to communication with remote radio head optical cable, it is characterised in that it includes the step of the step of manufacture plastic layer, manufacture inner cushion layer, manufactures the step of the step of outer bed course, manufacture oversheath.Present invention further teaches the manufacture method of remote radio head cable, the manufacture method of remote radio head optoelectronic composite cable.The cable of the present invention has following main beneficial effect:It is simple in construction, easily fabricated, indoor and outdoor surroundingses are general, bending resistance is excellent, it is more soft, be more easy to construction, antisum radianting capacity it is strong.The manufacture method of the present invention is simple, easily grasps, obtained cable product qualified rate height.

Description

A kind of manufacture to communicate with remote radio head optical cable, cable and optoelectronic composite cable Method
Technical field
The invention belongs to technical field of cables, more particularly, to a kind of communication remote radio head optical cable, cable and light The manufacture method of photoelectric compound cable.
Background technology
In base station signal transmission system, it is referred to as from the cable Base Band Unit BBU to wireless radio remote unit RRU Less radio-frequency draws useless cable, wherein the optical cable that signal transmission is provided for RRU is referred to as remote radio head cable.Less radio-frequency Drawing is mainly used in zooming out positioned at the local of same base sites with optical cable, and length is usually 100 to 300 meters, longer when needing When distance zooms out, preferably it is attached using outdoor optical cable, now end reconnects remote radio head optical cable.Similarly, carried for base station The length of the cable for power of powering is general also at 200 meters or so, and this cable, which is called, zooms out cable, can go deep into customer center, base Standing no longer needs a large amount of inputs of transformer etc..
There are research and development and the case used for dragging optical cable and cable both at home and abroad, however, drawing of the prior art The distance light cable general aspect less effective of external environment indoors, antisum radianting capacity is not ideal enough, softness can not meet will Ask.
The content of the invention
In order to solve the above problems, the purpose of the present invention is to disclose communication remote radio head optical cable, is further taken off Show remote radio head cable, further disclose remote radio head optoelectronic composite cable and their manufacture method, they Realized using following technical scheme.
In the embodiment 1 of the present invention, remote radio head optical cable is used in communication, it is characterised in that it is congested with plastics by outside The center reinforcemen 1 of layer 2, the inner cushion layer 31 outside plastic layer 2, the outer bed course 4 outside inner cushion layer, positioned at inner cushion layer with it is outer The oversheath 6 that optical transmit body 3 between bed course, protective layer 5, extrusion molding outside outer bed course are coated on outside protective layer is formed; Inner cushion layer is close to plastic layer, and optical transmit body is distributed in the gap between inner cushion layer and outer bed course and between inner cushion layer and outer bed course One layer of optical transmit body can be placed, protective layer is close to outer bed course;Center reinforcemen is fiberglass reinforced plastics or aramid yarn or glass Glass silvalin, the material of plastic layer is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low Cigarette halogen-free polyvinyl or polypropylene, the material of inner cushion layer are polybutylene terephthalate (PBT) or modified polypropene, outer bed course Material is also polybutylene terephthalate (PBT) or modified polypropene, and the material of protective layer is aramid yarn or glass fiber yarn or resistance Water band or non-woven fabrics or clad aluminum band or composite steel band, the material of oversheath for low density polyethylene (LDPE) or medium density polyethylene or High density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene, the optical transmit body is more, and G.652 optical fiber or more are G.655 Optical fiber or more G.657 optical fiber or more A1a optical fiber or more A1b optical fiber or more A1c optical fiber or more OM1 optical fiber or more OM2 optical fiber or more OM3 optical fiber or more tight tube fibers, the tight tube fiber by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber and positioned at internal layer it Outer tight sleeve layer is formed, and different optical transmit body can distinguish between each other.
In the embodiment 1 of the present invention, remote radio head cable, it is characterised in that it is congested with plastic layer 2 by outside Center reinforcemen 1, the inner cushion layer 31 outside plastic layer 2, the outer bed course 4 outside inner cushion layer, positioned at inner cushion layer and outer bed course Between power transmission bodies 3, the oversheath 6 that is coated on outside protective layer of protective layer 5, extrusion molding outside outer bed course forms;Inner cushion layer It is close to plastic layer, the gap that power transmission bodies are distributed between inner cushion layer and outer bed course and between inner cushion layer and outer bed course can only place one Layer power transmission bodies, protective layer are close to outer bed course;Center reinforcemen is fiberglass reinforced plastics or aramid yarn or glass fiber yarn, is moulded The material of the bed of material is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or the poly- second of low smoke and zero halogen Alkene or polypropylene, the material of inner cushion layer is polybutylene terephthalate (PBT) or modified polypropene, and the material of outer bed course is also poly- Mutual-phenenyl two acid bromide two alcohol ester or modified polypropene, the material of protective layer is aramid yarn or glass fiber yarn or waterstop or nonwoven Cloth or clad aluminum band or composite steel band, the material of oversheath is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) Or polyvinyl chloride or low smoke and zero halogen polyethylene, it by internal layer is conductor and the insulation being coated on outside internal layer that the power transmission bodies, which are more, Layer is formed, and different power transmission bodies can distinguish between each other.
In the embodiment 1 of the present invention, remote radio head optoelectronic composite cable, it is characterised in that it is congested with plastics by outside The center reinforcemen 1 of layer 2, the inner cushion layer 31 outside plastic layer 2, the outer bed course 4 outside inner cushion layer, positioned at inner cushion layer with it is outer Power transmission bodies and optical transmit body 3 between bed course, protective layer 5, the extrusion molding outside outer bed course are coated on the outer shield outside protective layer Set 6 is formed;Inner cushion layer is close to plastic layer, optical transmit body and power transmission bodies be distributed between inner cushion layer and outer bed course and inner cushion layer with it is outer Gap between bed course can only place one layer of power transmission bodies and optical transmit body, and protective layer is close to outer bed course;Center reinforcemen is glass Fibre reinforced plastics or aramid yarn or glass fiber yarn, the material of plastic layer is low density polyethylene (LDPE) or medium density polyethylene or height Density polyethylene or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene, the material of inner cushion layer is polybutylene terephthalate Ester or modified polypropene, the material of outer bed course are also polybutylene terephthalate (PBT) or modified polypropene, the material of protective layer It is aramid yarn or glass fiber yarn or waterstop or non-woven fabrics or clad aluminum band or composite steel band, the material of oversheath is low-density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene, the power transmission bodies are more It is that conductor and the insulating barrier being coated on outside internal layer are formed by internal layer, different power transmission bodies can distinguish between each other;It is described Optical transmit body is more G.652 G.655 optical fiber or more G.657 optical fiber or the more A1a optical fiber or more A1b light of optical fiber or more Fine or more A1c optical fiber or more OM1 optical fiber or more OM2 optical fiber or more OM3 optical fiber or more tight tube fibers, the tight set Optical fiber is by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber Or OM2 optical fiber or OM3 optical fiber and the tight sleeve layer outside internal layer are formed, different optical transmit body can be distinguished between each other Open;The diameter of power transmission bodies is more than single times of diameter of optical transmit body and is less than optical transmit body double diameter.
A kind of method for manufacturing communication remote radio head optical cable, it is characterised in that it is comprised the steps of:
The step of manufacturing plastic layer:Fiberglass reinforced plastics or aramid yarn or glass fiber yarn are strengthened as center Part, low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low cigarette are squeezed into outside center reinforcemen Halogen-free polyvinyl or polypropylene form plastic layer, and plastic layer is cylindrical shape;
The step of manufacturing inner cushion layer:Polybutylene terephthalate (PBT) or modified polypropene is taken to be coated on plastics by extrusion molding Layer is outer to form inner cushion layer;Or polybutylene terephthalate (PBT) or modified polypropene is taken to pull into inner hollow by extruding machine Inner cushion layer, the plastic layer of hollow space insertion internally;
The step of manufacturing outer bed course:Optical transmit body is placed on outside inner cushion layer and is close to inner cushion layer, takes poly- terephthaldehyde Sour butanediol ester or modified polypropene pull into the internal outer bed course with cavity by extruding machine, and make inner cushion layer and optical transmit body It is placed in the internal cavities of outer bed course, and the gap between inner cushion layer and outer bed course can only place one layer of optical transmit body;The light It is more G.652 G.655 optical fiber or more G.657 optical fiber or the more A1a optical fiber or more A1b optical fiber of optical fiber or more to transmit body Or more A1c optical fiber or more OM1 optical fiber or more OM2 optical fiber or more OM3 optical fiber or more tight tube fibers, the tight set light It is fine by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber and the tight sleeve layer outside internal layer are formed, and different optical transmit body can be distinguished two-by-two;
The step of manufacturing oversheath:Aramid yarn is equably placed outside outer bed course or glass fiber yarn forms protective layer, Either outside outer bed course longitudinally cladding or spiral winding cladding waterstop or non-woven fabrics formed protective layer or outer bed course it Outer longitudinal covered composite yarn aluminium strip or composite steel band form protective layer;Take jacket material extrusion molding to be coated on outside protective layer and form outer protect Set, completes the manufacture of the method for communication remote radio head optical cable.
Communication described above is with remote radio head optical cable and its manufacture method, it is characterised in that the oversheath Material is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or gathered Propylene or polytetrafluoroethylene (PTFE) or thermoplastic elastomer (TPE) or the oversheath by weight, including following raw material:Poly- fluorine second Olefine resin:20~40 parts, nylon 6 or nylon 12 or nylon66 fiber:10~20 parts, linear low density polyethylene resin:30~50 parts, Aluminium hydroxide:5~10 parts, magnesium hydroxide:5~10 parts, Tissuemat E:3~5 parts, trioctyl trimellitate (TOTM):3~5 parts, Malaysia Its polymers of the ethylene-vinyl acetate of acid anhydrides grafting:8~12 parts, titanate esters:3~5 parts, the antioxidant of commercially available model 1010:1 ~3 parts, the antioxidant of commercially available model 168:1~3 part, titanium dioxide:2~4 parts, carbon black:1~2 part.
By applicant's repetition test, find to use the best performance of the oversheath of formula as below:I.e. described oversheath is pressed Parts by weight meter, including following raw material:Polyfluoroethylene resin:30 parts, nylon 6 or nylon 12 or nylon66 fiber:15 parts, it is linear low close Spend polyvinyl resin:40 parts, aluminium hydroxide:8 parts, magnesium hydroxide:7 parts, Tissuemat E:4 parts, trioctyl trimellitate (TOTM):4 parts, Its polymers of the ethylene-vinyl acetate of maleic anhydride grafting:10 parts, titanate esters:4 parts, the antioxidant of commercially available model 1010:2 Part, the antioxidant of commercially available model 168:2 parts, titanium dioxide:3 parts, carbon black:1.5 part.
By applicant's repetition test, find to use the performance of the oversheath of formula as below more excellent:I.e. described oversheath is pressed Parts by weight meter, including following raw material:Polyfluoroethylene resin:20 parts, nylon 6 or nylon 12 or nylon66 fiber:10 parts, it is linear low close Spend polyvinyl resin:30 parts, aluminium hydroxide:5 parts, magnesium hydroxide:5 parts, Tissuemat E:3 parts, trioctyl trimellitate (TOTM):3 parts, Its polymers of the ethylene-vinyl acetate of maleic anhydride grafting:8 parts, titanate esters:3 parts, the antioxidant of commercially available model 1010:1 part, The antioxidant of commercially available model 168:1 part, titanium dioxide:2 parts, carbon black:1 part.
By applicant's repetition test, find to use the performance suboptimum of the oversheath of formula as below:I.e. described oversheath is pressed Parts by weight meter, polyfluoroethylene resin:40 parts, nylon 6 or nylon 12 or nylon66 fiber:20 parts, linear low density polyethylene resin:50 Part, aluminium hydroxide:10 parts, magnesium hydroxide:10 parts, Tissuemat E:5 parts, trioctyl trimellitate (TOTM):5 parts, maleic anhydride grafting Its polymers of ethylene-vinyl acetate:12 parts, titanate esters:5 parts, the antioxidant of commercially available model 1010:3 parts, commercially available model 168 Antioxidant:3 parts, titanium dioxide:4 parts, carbon black:2 parts.
The cable of the present invention has following main beneficial effect:It is simple in construction, easily fabricated, indoor and outdoor surroundingses are general, anti- Bending property is excellent, more soft, to be more easy to construction, antisum radianting capacity strong.
The manufacture method of the present invention is simple, easily grasps, obtained cable product qualified rate height.
Protective cover material in the present invention has:Tensile strength, break-draw strain index are high, thermal contraction is low;Resistance to torsion, bending resistance Qu Xingneng is more preferable, more soft;After being irradiated for strong light, tensile strength, elongation at break index remain to keep good, more can be anti-Japanese According to, more can long term high temperature environment the advantageous effects such as use.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of embodiment 1 of the present invention.
Fig. 2 is the cross-sectional structure schematic diagram after Fig. 1 amplifications.
Fig. 3 is the dimensional structure diagram of embodiment 2 of the present invention.
Fig. 4 is the cross-sectional structure schematic diagram after Fig. 3 amplifications.
Fig. 5 is the dimensional structure diagram of embodiment 3 of the present invention.
Fig. 6 is the cross-sectional structure schematic diagram after Fig. 5 amplifications.
Embodiment
Embodiment 1
See Fig. 1 and Fig. 2, remote radio head optical cable is used in communication, it is characterised in that it is congested with plastic layer 2 by outside Heart reinforcer 1, the inner cushion layer 31 outside plastic layer 2, the outer bed course 4 outside inner cushion layer, positioned at inner cushion layer and outer bed course it Between optical transmit body 3, the oversheath 6 that is coated on outside protective layer of protective layer 5, extrusion molding outside outer bed course forms;Inner cushion layer It is close to plastic layer, the gap that optical transmit body is distributed between inner cushion layer and outer bed course and between inner cushion layer and outer bed course can only place One layer of optical transmit body, protective layer are close to outer bed course;Center reinforcemen is fiberglass reinforced plastics or aramid yarn or glass fibre Yarn, the material of plastic layer is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen Polyethylene or polypropylene, the material of inner cushion layer are polybutylene terephthalate (PBT) or modified polypropene, the material of outer bed course Polybutylene terephthalate (PBT) or modified polypropene, the material of protective layer be aramid yarn or glass fiber yarn or waterstop or Non-woven fabrics or clad aluminum band or composite steel band, the material of oversheath gather for low density polyethylene (LDPE) or medium density polyethylene or high density Ethene or polyvinyl chloride or low smoke and zero halogen polyethylene, the optical transmit body are the more G.652 G.655 optical fiber or more of optical fiber or more Root G.657 optical fiber or more A1a optical fiber or more A1b optical fiber or more A1c optical fiber or more OM1 optical fiber or more OM2 optical fiber Or more OM3 optical fiber or more tight tube fibers, the tight tube fiber is by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber Or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber and the tight sleeve layer outside internal layer Form, different optical transmit body can distinguish between each other.
Communication remote radio head optical cable described in this embodiment, the characteristics of its is maximum are compact-sized, external diameters It is small, in light weight, fibre core density is big, softness is excellent.
Certainly, communication described above remote radio head optical cable, it is characterised in that the optical transmit body can also be Inside includes more G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 light The fine or fibre ribbon of OM2 optical fiber or OM3 optical fiber, the fibre ribbon are to be placed in free state between inner cushion layer and outer bed course Gap in.
As a further improvement, communication described above remote radio head optical cable, it is characterised in that the interior pad The gasket for packing that diameter is slightly larger than optical transmit body diameter, inner cushion layer and outer bed course can also be placed in gap between layer and outer bed course Between gap be more than single times of diameter of optical transmit body and be less than optical transmit body double diameter;In such cases, different from above-mentioned implementation Only have optical transmit body in mode to form and the equal situation of optical transmit body diameter, make optical cable is more logical to bear pressure, impulsive force, repeatedly Bending and torsion, make optical cable have more excellent mechanical performance;Meanwhile make the mobilizable space increase of optical transmit body, optical cable energy The ambient temperature range born is wider, within the temperature range of can guarantee that 80 to 150 degrees Celsius, temperature additional attenuation maximum changing value No more than 0.03dB/km, it is suitable for using for a long time in base base station.
As a further improvement, said structure can form remote radio head cable, it is characterised in that it is by outside Be congested with the center reinforcemen 1 of plastic layer 2, the inner cushion layer 31 outside plastic layer 2, the outer bed course 4 outside inner cushion layer, positioned at interior Power transmission bodies 3 between bed course and outer bed course, protective layer 5, extrusion molding outside outer bed course are coated on the oversheath 6 outside protective layer Form;Inner cushion layer is close to plastic layer, power transmission bodies be distributed between inner cushion layer and outer bed course and between inner cushion layer and outer bed course between Gap can only place one layer of power transmission bodies, and protective layer is close to outer bed course;Center reinforcemen be fiberglass reinforced plastics or aramid yarn or Glass fiber yarn, the material of plastic layer for low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or Low smoke and zero halogen polyethylene or polypropylene, the material of inner cushion layer are polybutylene terephthalate (PBT) or modified polypropene, outer bed course Material be also polybutylene terephthalate (PBT) or modified polypropene, the material of protective layer be aramid yarn or glass fiber yarn or Waterstop or non-woven fabrics or clad aluminum band or composite steel band, the material of oversheath for low density polyethylene (LDPE) or medium density polyethylene or High density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene, it by internal layer is conductor and in being coated on that the power transmission bodies, which are more, Insulating barrier outside layer is formed, and different power transmission bodies can distinguish between each other.The structure has reached the function of transmitting electric power.
Certainly, improved as further, said structure can form remote radio head optoelectronic composite cable, its feature It is that it is congested with the center reinforcemen 1 of the plastic layer 2, inner cushion layer 31 outside plastic layer 2, outer outside inner cushion layer by outside Bed course 4, the power transmission bodies between inner cushion layer and outer bed course and optical transmit body 3, protective layer 5, extrusion molding outside outer bed course The oversheath 6 being coated on outside protective layer is formed;Inner cushion layer is close to plastic layer, optical transmit body and power transmission bodies be distributed in inner cushion layer with it is outer Gap between bed course and between inner cushion layer and outer bed course can only place one layer of power transmission bodies and optical transmit body, and protective layer is close to outer pad Layer;Center reinforcemen is fiberglass reinforced plastics or aramid yarn or glass fiber yarn, and the material of plastic layer is low density polyethylene Alkene or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene, the material of inner cushion layer It is polybutylene terephthalate (PBT) or modified polypropene, the material of outer bed course is also polybutylene terephthalate (PBT) or modification Polypropylene, the material of protective layer are aramid yarn or glass fiber yarn or waterstop or non-woven fabrics or clad aluminum band or composite steel band, The material of oversheath is that low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen gather Ethene, it by internal layer is that conductor and the insulating barrier being coated on outside internal layer are formed that the power transmission bodies, which are more, different transmission of electricity body phase It can be distinguished between mutually;The optical transmit body be more G.652 optical fiber or more G.655 optical fiber or more G.657 optical fiber or More A1a optical fiber or more A1b optical fiber or more A1c optical fiber or more OM1 optical fiber or more OM2 optical fiber or more OM3 optical fiber Or more tight tube fibers, the tight tube fiber by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber and the tight sleeve layer outside internal layer are formed, different Optical transmit body can distinguish between each other;The diameter of power transmission bodies is more than single times of diameter of optical transmit body and is less than optical transmit body two Times diameter.In such cases, form and the equal situation of optical transmit body diameter different from only having optical transmit body in above-mentioned embodiment, Make remote radio head optoelectronic composite cable is more logical to bear pressure, impulsive force, alternating bending and torsion, there is optical cable more excellent Mechanical performance;Meanwhile making the mobilizable space increase of optical transmit body, the ambient temperature range that optical cable can be born is wider, can guarantee that Within the temperature range of 80 to 150 degrees Celsius, temperature additional attenuation maximum changing value is not more than 0.03dB/km, is suitable for Ji Ji Used for a long time in standing;And it can save the fund input of transformer etc. with simultaneous transmission electric power, reduce maintenance cost, make The volume of base station greatly reduces.
A kind of method for manufacturing communication remote radio head optical cable, it is characterised in that it is comprised the steps of:
The step of manufacturing plastic layer:Fiberglass reinforced plastics or aramid yarn or glass fiber yarn are strengthened as center Part, low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low cigarette are squeezed into outside center reinforcemen Halogen-free polyvinyl or polypropylene form plastic layer, and plastic layer is cylindrical shape;
The step of manufacturing inner cushion layer:Polybutylene terephthalate (PBT) or modified polypropene is taken to be coated on plastics by extrusion molding Layer is outer to form inner cushion layer;Or polybutylene terephthalate (PBT) or modified polypropene is taken to pull into inner hollow by extruding machine Inner cushion layer, the plastic layer of hollow space insertion internally;
The step of manufacturing outer bed course:Optical transmit body is placed on outside inner cushion layer and is close to inner cushion layer, takes poly- terephthaldehyde Sour butanediol ester or modified polypropene pull into the internal outer bed course with cavity by extruding machine, and make inner cushion layer and optical transmit body It is placed in the internal cavities of outer bed course, and the gap between inner cushion layer and outer bed course can only place one layer of optical transmit body;The light It is more G.652 G.655 optical fiber or more G.657 optical fiber or the more A1a optical fiber or more A1b optical fiber of optical fiber or more to transmit body Or more A1c optical fiber or more OM1 optical fiber or more OM2 optical fiber or more OM3 optical fiber or more tight tube fibers, the tight set light It is fine by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber and the tight sleeve layer outside internal layer are formed, and different optical transmit body can be distinguished two-by-two;
The step of manufacturing oversheath:Aramid yarn is equably placed outside outer bed course or glass fiber yarn forms protective layer, Either outside outer bed course longitudinally cladding or spiral winding cladding waterstop or non-woven fabrics formed protective layer or outer bed course it Outer longitudinal covered composite yarn aluminium strip or composite steel band form protective layer;Take jacket material extrusion molding to be coated on outside protective layer and form outer protect Set, completes the manufacture of communication remote radio head optical cable.
A kind of method for manufacturing communication remote radio head optical cable, it is characterised in that it is comprised the steps of:
The step of manufacturing plastic layer:Fiberglass reinforced plastics or aramid yarn or glass fiber yarn are strengthened as center Part, low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low cigarette are squeezed into outside center reinforcemen Halogen-free polyvinyl or polypropylene form plastic layer, and plastic layer is cylindrical shape;
The step of manufacturing inner cushion layer:Polybutylene terephthalate (PBT) or modified polypropene is taken to be coated on plastics by extrusion molding Layer is outer to form inner cushion layer;Or polybutylene terephthalate (PBT) or modified polypropene is taken to pull into inner hollow by extruding machine Inner cushion layer, the plastic layer of hollow space insertion internally;
The step of manufacturing outer bed course:Optical transmit body is placed on outside inner cushion layer and is close to inner cushion layer, takes poly- terephthaldehyde Sour butanediol ester or modified polypropene pull into the internal outer bed course with cavity by extruding machine, and make inner cushion layer and optical transmit body It is placed in the internal cavities of outer bed course, and the gap between inner cushion layer and outer bed course can only place one layer of optical transmit body;The light It is more G.652 G.655 optical fiber or more G.657 optical fiber or the more A1a optical fiber or more A1b optical fiber of optical fiber or more to transmit body Or more A1c optical fiber or more OM1 optical fiber or more OM2 optical fiber or more OM3 optical fiber or more tight tube fibers, the tight set light It is fine by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber and the tight sleeve layer outside internal layer are formed, and different optical transmit body can be distinguished two-by-two;The light passes There is part to be filled rope in defeated body to be substituted, the diameter of the gasket for packing is slightly larger than optical transmit body diameter, inner cushion layer and outer bed course Between gap be more than single times of diameter of optical transmit body and be less than optical transmit body double diameter;
The step of manufacturing oversheath:Aramid yarn is equably placed outside outer bed course or glass fiber yarn forms protective layer, Either outside outer bed course longitudinally cladding or spiral winding cladding waterstop or non-woven fabrics formed protective layer or outer bed course it Outer longitudinal covered composite yarn aluminium strip or composite steel band form protective layer;Take jacket material extrusion molding to be coated on outside protective layer and form outer protect Set, completes the manufacture of communication remote radio head optical cable.
A kind of method for manufacturing remote radio head cable, it is characterised in that it is comprised the steps of:
The step of manufacturing plastic layer:Fiberglass reinforced plastics or aramid yarn or glass fiber yarn are strengthened as center Part, low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low cigarette are squeezed into outside center reinforcemen Halogen-free polyvinyl or polypropylene form plastic layer, and plastic layer is cylindrical shape;
The step of manufacturing inner cushion layer:Polybutylene terephthalate (PBT) or modified polypropene is taken to be coated on plastics by extrusion molding Layer is outer to form inner cushion layer;Or polybutylene terephthalate (PBT) or modified polypropene is taken to pull into inner hollow by extruding machine Inner cushion layer, the plastic layer of hollow space insertion internally;
The step of manufacturing outer bed course:Power transmission bodies are placed on outside inner cushion layer and are close to inner cushion layer, take poly terephthalic acid Butanediol ester or modified polypropene pull into the internal outer bed course with cavity by extruding machine, and are placed in inner cushion layer and power transmission bodies In the internal cavities of outer bed course, and the gap between inner cushion layer and outer bed course can only place one layer of power transmission bodies;The power transmission bodies are More are that conductor and the insulating barrier being coated on outside internal layer are formed by internal layer, and different power transmission bodies can be distinguished mutually;
The step of manufacturing oversheath:Aramid yarn is equably placed outside outer bed course or glass fiber yarn forms protective layer, Either outside outer bed course longitudinally cladding or spiral winding cladding waterstop or non-woven fabrics formed protective layer or outer bed course it Outer longitudinal covered composite yarn aluminium strip or composite steel band form protective layer;Take jacket material extrusion molding to be coated on outside protective layer and form outer protect Set, completes the manufacture of communication remote radio head cable.
A kind of method for manufacturing remote radio head optoelectronic composite cable, it is characterised in that it is comprised the steps of:
The step of manufacturing plastic layer:Fiberglass reinforced plastics or aramid yarn or glass fiber yarn are strengthened as center Part, low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low cigarette are squeezed into outside center reinforcemen Halogen-free polyvinyl or polypropylene form plastic layer, and plastic layer is cylindrical shape;
The step of manufacturing inner cushion layer:Polybutylene terephthalate (PBT) or modified polypropene is taken to be coated on plastics by extrusion molding Layer is outer to form inner cushion layer;Or polybutylene terephthalate (PBT) or modified polypropene is taken to pull into inner hollow by extruding machine Inner cushion layer, the plastic layer of hollow space insertion internally;
The step of manufacturing outer bed course:Power transmission bodies and optical transmit body are placed on outside inner cushion layer and are close to inner cushion layer, are taken poly- Mutual-phenenyl two acid bromide two alcohol ester or modified polypropene by extruding machine pull into it is internal there is the outer bed course of cavity, and make inner cushion layer and Power transmission bodies and optical transmit body are placed in the internal cavities of outer bed course, and the gap between inner cushion layer and outer bed course can only place one layer Power transmission bodies and optical transmit body;It by internal layer is that conductor and the insulating barrier being coated on outside internal layer are formed that the power transmission bodies, which are more, phase Different power transmission bodies can distinguish between each other;The optical transmit body is more G.652 optical fiber or more G.655 optical fiber or more G.657 optical fiber or more A1a optical fiber or more A1b optical fiber or more A1c optical fiber or more OM1 optical fiber or more OM2 optical fiber or More OM3 optical fiber or more tight tube fibers, the tight tube fiber by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber and the tight sleeve layer structure outside internal layer Into different optical transmit body can distinguish between each other;The diameter of power transmission bodies is more than single times of diameter of optical transmit body and is less than Optical transmit body double diameter;
The step of manufacturing oversheath:Aramid yarn is equably placed outside outer bed course or glass fiber yarn forms protective layer, Either outside outer bed course longitudinally cladding or spiral winding cladding waterstop or non-woven fabrics formed protective layer or outer bed course it Outer longitudinal covered composite yarn aluminium strip or composite steel band form protective layer;Take jacket material extrusion molding to be coated on outside protective layer and form outer protect Set, completes the manufacture of remote radio head optoelectronic composite cable.
Mutually distinguished between optical transmit body described above, during to then optical fiber, the dyed layer that may pass through optical fiber is distinguished; During to then tight tube fiber, it can be made a distinction by the different colours of tight sleeve layer.
Mutually distinguished between power transmission bodies described above, made a distinction by the different colours of insulating barrier.
Embodiment 2
See Fig. 3 and Fig. 4, remote radio head optical cable is used in communication, and basic embodiment 1, difference is:Inner cushion layer It is connected between outer bed course by two connection straps 32, in gap of the optical transmit body between inner cushion layer and outer bed course, Inner cushion layer, connection strap, outer bed course can be integrally formed by extrusion molding.
It is of course also possible to it is as the remote radio head cable and optoelectronic composite cable embodiment 1.
Embodiment 3
See Fig. 5 and Fig. 6, remote radio head optical cable is used in communication, and basic embodiment 2, difference is:Inner cushion layer It is connected between outer bed course by four connection straps 32, in gap of the optical transmit body between inner cushion layer and outer bed course, Inner cushion layer, connection strap, outer bed course can be integrally formed by extrusion molding.
It is of course also possible to it is as the remote radio head cable and optoelectronic composite cable embodiment 1.
Certainly, can also be attached between inner cushion layer and outer bed course by other more connection straps, it is possible to achieve existing spirit The distribution of optical transmit body living and/or the distribution of electric power.
Communication remote radio head optical cable or remote radio head cable or wireless described in any of the above-described embodiment Remote radio photoelectric composite cable, it is characterised in that the material of the oversheath is low density polyethylene (LDPE) or medium density polyethylene or height Density polyethylene or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene or polytetrafluoroethylene (PTFE) or thermoplastic elastomer (TPE) or institute State oversheath by weight, including following raw material:Polyfluoroethylene resin:20~40 parts, nylon 6 or nylon 12 or nylon 66:10~20 parts, linear low density polyethylene resin:30~50 parts, aluminium hydroxide:5~10 parts, magnesium hydroxide:5~10 parts, Tissuemat E:3~5 parts, trioctyl trimellitate (TOTM):3~5 parts, ethylene-vinyl acetate its polymers of maleic anhydride grafting:8~12 Part, titanate esters:3~5 parts, the antioxidant of commercially available model 1010:1~3 part, the antioxidant of commercially available model 168:1~3 Part, titanium dioxide:2~4 parts, carbon black:1~2 part.
By applicant's repetition test, find to use the best performance of the oversheath of formula as below:I.e. described oversheath is pressed Parts by weight meter, including following raw material:Polyfluoroethylene resin:30 parts, nylon 6 or nylon 12 or nylon66 fiber:15 parts, it is linear low close Spend polyvinyl resin:40 parts, aluminium hydroxide:8 parts, magnesium hydroxide:7 parts, Tissuemat E:4 parts, trioctyl trimellitate (TOTM):4 parts, Its polymers of the ethylene-vinyl acetate of maleic anhydride grafting:10 parts, titanate esters:4 parts, the antioxidant of commercially available model 1010:2 Part, the antioxidant of commercially available model 168:2 parts, titanium dioxide:3 parts, carbon black:1.5 part.
By applicant's repetition test, find to use the performance of the oversheath of formula as below more excellent:I.e. described oversheath is pressed Parts by weight meter, including following raw material:Polyfluoroethylene resin:20 parts, nylon 6 or nylon 12 or nylon66 fiber:10 parts, it is linear low close Spend polyvinyl resin:30 parts, aluminium hydroxide:5 parts, magnesium hydroxide:5 parts, Tissuemat E:3 parts, trioctyl trimellitate (TOTM):3 parts, Its polymers of the ethylene-vinyl acetate of maleic anhydride grafting:8 parts, titanate esters:3 parts, the antioxidant of commercially available model 1010:1 part, The antioxidant of commercially available model 168:1 part, titanium dioxide:2 parts, carbon black:1 part.
By applicant's repetition test, find to use the performance suboptimum of the oversheath of formula as below:I.e. described oversheath is pressed Parts by weight meter, polyfluoroethylene resin:40 parts, nylon 6 or nylon 12 or nylon66 fiber:20 parts, linear low density polyethylene resin:50 Part, aluminium hydroxide:10 parts, magnesium hydroxide:10 parts, Tissuemat E:5 parts, trioctyl trimellitate (TOTM):5 parts, maleic anhydride grafting Its polymers of ethylene-vinyl acetate:12 parts, titanate esters:5 parts, the antioxidant of commercially available model 1010:3 parts, commercially available model 168 Antioxidant:3 parts, titanium dioxide:4 parts, carbon black:2 parts.
Applicant forms for above-mentioned formula and is tested, and obtains following inspection data:
As shown by data, minimum tensile strength, minimum break-draw strain index improve than of the prior art in width;It is maximum Hot contraction ratio of the prior art 5% substantially reduces;Resistance to torsion, bending resistance are more preferable, i.e., more soft;After being irradiated for strong light, Tensile strength, elongation at break index remain to keep good, show it is anti-Japanese according to ability compared with it is strong, long term high temperature environment performance is excellent More.
The present invention cable have simple in construction, easily fabricated, indoor and outdoor surroundingses are general, bending resistance is excellent, it is more soft, Be more easy to construction, antisum radianting capacity it is strong.
The formula of protective cover material is also convenient for manufacturing, produces that cable speed per hour degree is fast, easy-formation, more power saving in the present invention.
A kind of method for manufacturing communication remote radio head optical cable, it is characterised in that it is comprised the steps of:
The step of manufacturing plastic layer:Fiberglass reinforced plastics or aramid yarn or glass fiber yarn are strengthened as center Part, low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low cigarette are squeezed into outside center reinforcemen Halogen-free polyvinyl or polypropylene form plastic layer, and plastic layer is cylindrical shape;
The step of manufacturing inner cushion layer, connection strap and outer bed course:Polybutylene terephthalate (PBT) or modified polypropene is taken to lead to Cross extruding machine and pull into inner cushion layer, connection strap and outer bed course that machine mould forms integration by the way of squash type or half extrude, Inner cushion layer and outer bed course are attached by connection strap, and connection strap has more, at connectionless bar, are had between inner cushion layer and outer bed course There is gap, there is middle cavity inside inner cushion layer, plastic layer is embedded in middle cavity and is mutually close to the inwall of inner cushion layer;Optical transport In gap of the body between inner cushion layer and outer bed course;Gap between inner cushion layer and outer bed course can only place one layer of optical transport Body;The optical transmit body is more G.652 G.655 optical fiber or more G.657 optical fiber or the more A1a optical fiber or more of optical fiber or more Root A1b optical fiber or more A1c optical fiber or more OM1 optical fiber or more OM2 optical fiber or more OM3 optical fiber or more tight tube fibers, The tight tube fiber is by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber Or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber and the tight sleeve layer outside internal layer are formed, different optical transmit body can area two-by-two Point;Gap between inner cushion layer and outer bed course is more than single times of diameter of optical transmit body and is less than optical transmit body double diameter;
The step of manufacturing oversheath:Aramid yarn is equably placed outside outer bed course or glass fiber yarn forms protective layer, Either outside outer bed course longitudinally cladding or spiral winding cladding waterstop or non-woven fabrics formed protective layer or outer bed course it Outer longitudinal covered composite yarn aluminium strip or composite steel band form protective layer;Take jacket material extrusion molding to be coated on outside protective layer and form outer protect Set, completes the manufacture of communication remote radio head optical cable.
A kind of method for manufacturing communication remote radio head cable, it is characterised in that it is comprised the steps of:
The step of manufacturing plastic layer:Fiberglass reinforced plastics or aramid yarn or glass fiber yarn are strengthened as center Part, low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low cigarette are squeezed into outside center reinforcemen Halogen-free polyvinyl or polypropylene form plastic layer, and plastic layer is cylindrical shape;
The step of manufacturing inner cushion layer, connection strap and outer bed course:Polybutylene terephthalate (PBT) or modified polypropene is taken to lead to Cross extruding machine and pull into inner cushion layer, connection strap and outer bed course that machine mould forms integration by the way of squash type or half extrude, Inner cushion layer and outer bed course are attached by connection strap, and connection strap has more, at connectionless bar, are had between inner cushion layer and outer bed course There is gap, there is middle cavity inside inner cushion layer, plastic layer is embedded in middle cavity and is mutually close to the inwall of inner cushion layer;Will transmission of electricity Body is placed in the gap between inner cushion layer and outer bed course;Gap between inner cushion layer and outer bed course can only place one layer of transmission of electricity Body;It by internal layer is that conductor and the insulating barrier being coated on outside internal layer are formed that the power transmission bodies, which are more, and different power transmission bodies can phase Mutually distinguish;Gap between inner cushion layer and outer bed course is more than single times of diameter of power transmission bodies and is less than power transmission bodies double diameter;
The step of manufacturing oversheath:Aramid yarn is equably placed outside outer bed course or glass fiber yarn forms protective layer, Either outside outer bed course longitudinally cladding or spiral winding cladding waterstop or non-woven fabrics formed protective layer or outer bed course it Outer longitudinal covered composite yarn aluminium strip or composite steel band form protective layer;Take jacket material extrusion molding to be coated on outside protective layer and form outer protect Set, completes the manufacture of communication remote radio head cable.
A kind of method for manufacturing communication remote radio head optoelectronic composite cable, it is characterised in that it is comprised the steps of:
The step of manufacturing plastic layer:Fiberglass reinforced plastics or aramid yarn or glass fiber yarn are strengthened as center Part, low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low cigarette are squeezed into outside center reinforcemen Halogen-free polyvinyl or polypropylene form plastic layer, and plastic layer is cylindrical shape;
The step of manufacturing inner cushion layer, connection strap and outer bed course:Polybutylene terephthalate (PBT) or modified polypropene is taken to lead to Cross extruding machine and pull into inner cushion layer, connection strap and outer bed course that machine mould forms integration by the way of squash type or half extrude, Inner cushion layer and outer bed course are attached by connection strap, and connection strap has more, at connectionless bar, are had between inner cushion layer and outer bed course There is gap, there is middle cavity inside inner cushion layer, plastic layer is embedded in middle cavity and is mutually close to the inwall of inner cushion layer;
Power transmission bodies and optical transmit body are placed in the gap between inner cushion layer and outer bed course;Between inner cushion layer and outer bed course Gap can only place one layer of power transmission bodies and optical transmit body;The power transmission bodies be more by internal layer be conductor and be coated on internal layer it Outer insulating barrier is formed, and different power transmission bodies can be distinguished mutually;Gap between inner cushion layer and outer bed course is more than power transmission bodies list times Diameter and it is less than power transmission bodies double diameter;The optical transmit body is more G.652 optical fiber or more G.655 optical fiber or more G.657 optical fiber or more A1a optical fiber or more A1b optical fiber or more A1c optical fiber or more OM1 optical fiber or more OM2 optical fiber or More OM3 optical fiber or more tight tube fibers, the tight tube fiber by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber and the tight sleeve layer structure outside internal layer Into different optical transmit body can distinguish between each other;The diameter of power transmission bodies is more than single times of diameter of optical transmit body and is less than Optical transmit body double diameter;
The step of manufacturing oversheath:Aramid yarn is equably placed outside outer bed course or glass fiber yarn forms protective layer, Either outside outer bed course longitudinally cladding or spiral winding cladding waterstop or non-woven fabrics formed protective layer or outer bed course it Outer longitudinal covered composite yarn aluminium strip or composite steel band form protective layer;Take jacket material extrusion molding to be coated on outside protective layer and form outer protect Set, completes the manufacture of communication remote radio head optoelectronic composite cable.
The method or manufacture less radio-frequency of manufacture communication remote radio head optical cable described in any of the above-described embodiment The method for zooming out the method for cable or manufacturing remote radio head optoelectronic composite cable, it is characterised in that the material of the oversheath is Low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene or Polytetrafluoroethylene (PTFE) or thermoplastic elastomer (TPE) or the oversheath by weight, including following raw material:Polyfluoroethylene resin: 20~40 parts, nylon 6 or nylon 12 or nylon66 fiber:10~20 parts, linear low density polyethylene resin:30~50 parts, hydroxide Aluminium:5~10 parts, magnesium hydroxide:5~10 parts, Tissuemat E:3~5 parts, trioctyl trimellitate (TOTM):3~5 parts, maleic anhydride connects Its polymers of the ethylene-vinyl acetate of branch:8~12 parts, titanate esters:3~5 parts, the antioxidant of commercially available model 1010:1~3 part, The antioxidant of commercially available model 168:1~3 part, titanium dioxide:2~4 parts, carbon black:1~2 part.
By applicant's repetition test, in above-mentioned manufacture method, the best performance of the oversheath using formula as below is found: I.e. described oversheath by weight, including following raw material:Polyfluoroethylene resin:30 parts, nylon 6 or nylon 12 or nylon 66:15 parts, linear low density polyethylene resin:40 parts, aluminium hydroxide:8 parts, magnesium hydroxide:7 parts, Tissuemat E:4 parts, inclined benzene Three sour three monooctyl esters:4 parts, ethylene-vinyl acetate its polymers of maleic anhydride grafting:10 parts, titanate esters:4 parts, commercially available model 1010 antioxidant:2 parts, the antioxidant of commercially available model 168:2 parts, titanium dioxide:3 parts, carbon black:1.5 part.
By applicant's repetition test, in above-mentioned manufacture method, find to use the performance of the oversheath of formula as below more excellent: I.e. described oversheath by weight, including following raw material:Polyfluoroethylene resin:20 parts, nylon 6 or nylon 12 or nylon 66:10 parts, linear low density polyethylene resin:30 parts, aluminium hydroxide:5 parts, magnesium hydroxide:5 parts, Tissuemat E:3 parts, inclined benzene Three sour three monooctyl esters:3 parts, ethylene-vinyl acetate its polymers of maleic anhydride grafting:8 parts, titanate esters:3 parts, commercially available model 1010 Antioxidant:1 part, the antioxidant of commercially available model 168:1 part, titanium dioxide:2 parts, carbon black:1 part.
By applicant's repetition test, in above-mentioned manufacture method, the performance suboptimum of the oversheath using formula as below is found: I.e. described oversheath by weight, polyfluoroethylene resin:40 parts, nylon 6 or nylon 12 or nylon66 fiber:20 parts, it is linear low close Spend polyvinyl resin:50 parts, aluminium hydroxide:10 parts, magnesium hydroxide:10 parts, Tissuemat E:5 parts, trioctyl trimellitate (TOTM):5 Part, ethylene-vinyl acetate its polymers of maleic anhydride grafting:12 parts, titanate esters:5 parts, the antioxidant of commercially available model 1010: 3 parts, the antioxidant of commercially available model 168:3 parts, titanium dioxide:4 parts, carbon black:2 parts.
When there is gasket for packing in the present invention, it can significantly protect optical transmit body, improve bending resistance, compressive property.
The manufacture method of the present invention is simple, easily grasps, obtained cable product qualified rate height.
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 (1)

1. the communication manufacture method of remote radio head cable, it is characterised in that it is comprised the steps of:
The step of manufacturing plastic layer:Using fiberglass reinforced plastics or aramid yarn or glass fiber yarn as center reinforcemen, Low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen are squeezed into outside center reinforcemen Polyethylene or polypropylene form plastic layer, and plastic layer is cylindrical shape;
The step of manufacturing inner cushion layer, connection strap and outer bed course:Polybutylene terephthalate (PBT) or modified polypropene are taken by squeezing Molding machine pulls into inner cushion layer, connection strap and the outer bed course that machine mould forms integration by the way of squash type or half extrude, connection Inner cushion layer and outer bed course are attached by bar, and connection strap has more, at connectionless bar, between having between inner cushion layer and outer bed course Gap, inner cushion layer inside have middle cavity, and plastic layer is embedded in middle cavity and is mutually close to the inwall of inner cushion layer;Power transmission bodies are put Put in the gap between inner cushion layer and outer bed course;Gap between inner cushion layer and outer bed course can only place one layer of power transmission bodies;Institute It by internal layer is that conductor and the insulating barrier being coated on outside internal layer are formed to state power transmission bodies to be more, and different power transmission bodies can mutual area Point;Gap between inner cushion layer and outer bed course is more than single times of diameter of power transmission bodies and is less than power transmission bodies double diameter;
The step of manufacturing oversheath:Aramid yarn is equably placed outside outer bed course or glass fiber yarn forms protective layer, or Longitudinally cladding or spiral winding cladding waterstop or non-woven fabrics form protective layer outside outer bed course, or are indulged outside outer bed course Protective layer is formed to covered composite yarn aluminium strip or composite steel band;Take jacket material extrusion molding to be coated on outside protective layer and form oversheath, Complete the manufacture of communication remote radio head cable;
The oversheath by weight, including following raw material:Polyfluoroethylene resin:20~40 parts, nylon 6 or nylon 12 or Nylon66 fiber:10~20 parts, linear low density polyethylene resin:30~50 parts, aluminium hydroxide:5~10 parts, magnesium hydroxide:5~10 Part, Tissuemat E:3~5 parts, trioctyl trimellitate (TOTM):3~5 parts, ethylene-vinyl acetate its polymers of maleic anhydride grafting:8~ 12 parts, titanate esters:3~5 parts, the antioxidant of commercially available model 1010:1~3 part, the antioxidant of commercially available model 168:1 ~3 parts, titanium dioxide:2~4 parts, carbon black:1~2 part;Or the oversheath is by weight, including the poly- fluorine second of following raw material Olefine resin:30 parts, nylon 6 or nylon 12 or nylon66 fiber:15 parts, linear low density polyethylene resin:40 parts, aluminium hydroxide:8 Part, magnesium hydroxide:7 parts, Tissuemat E:4 parts, trioctyl trimellitate (TOTM):4 parts, maleic anhydride grafting ethylene-vinyl acetate its Polymers:10 parts, titanate esters:4 parts, the antioxidant of commercially available model 1010:2 parts, the antioxidant of commercially available model 168:2 Part, titanium dioxide:3 parts, carbon black:1.5 part;Or the oversheath is by weight, including following raw material:Polyvinyl fluoride tree Fat:20 parts, nylon 6 or nylon 12 or nylon66 fiber:10 parts, linear low density polyethylene resin:30 parts, aluminium hydroxide:5 parts, hydrogen Magnesia:5 parts, Tissuemat E:3 parts, trioctyl trimellitate (TOTM):3 parts, ethylene-vinyl acetate its polymers of maleic anhydride grafting:8 Part, titanate esters:3 parts, the antioxidant of commercially available model 1010:1 part, the antioxidant of commercially available model 168:1 part, titanium white Powder:2 parts, carbon black:1 part;Or the oversheath is by weight, polyfluoroethylene resin:40 parts, nylon 6 or nylon 12 or Buddhist nun Dragon 66:20 parts, linear low density polyethylene resin:50 parts, aluminium hydroxide:10 parts, magnesium hydroxide:10 parts, Tissuemat E:5 parts, Trioctyl trimellitate (TOTM):5 parts, ethylene-vinyl acetate its polymers of maleic anhydride grafting:12 parts, titanate esters:5 parts, commercially available model For 1010 antioxidant:3 parts, the antioxidant of commercially available model 168:3 parts, titanium dioxide:4 parts, carbon black:2 parts.
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