CN104700953A - Manufacture method of optical and electric composite cable with special-shaped filling ropes - Google Patents

Manufacture method of optical and electric composite cable with special-shaped filling ropes Download PDF

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Publication number
CN104700953A
CN104700953A CN201510113711.4A CN201510113711A CN104700953A CN 104700953 A CN104700953 A CN 104700953A CN 201510113711 A CN201510113711 A CN 201510113711A CN 104700953 A CN104700953 A CN 104700953A
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China
Prior art keywords
type
special
signal transmission
shaped packing
color
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Granted
Application number
CN201510113711.4A
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Chinese (zh)
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CN104700953B (en
Inventor
沈群华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Weifang Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
Changshu Guleite Machinery Product Design Co Ltd
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Application filed by Changshu Guleite Machinery Product Design Co Ltd filed Critical Changshu Guleite Machinery Product Design Co Ltd
Priority to CN201610170405.9A priority Critical patent/CN105845253A/en
Priority to CN201610170461.2A priority patent/CN105607204A/en
Priority to CN201610170460.8A priority patent/CN105607203A/en
Priority to CN201510113711.4A priority patent/CN104700953B/en
Priority to CN201610170404.4A priority patent/CN105609198A/en
Priority to CN201610170459.5A priority patent/CN105589158A/en
Publication of CN104700953A publication Critical patent/CN104700953A/en
Application granted granted Critical
Publication of CN104700953B publication Critical patent/CN104700953B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4479—Manufacturing methods of optical cables
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/443—Protective covering
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/443—Protective covering
    • G02B6/4432—Protective covering with fibre reinforcements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4479—Manufacturing methods of optical cables
    • G02B6/4483—Injection or filling devices
    • 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
    • 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
    • H01B1/026—Alloys based on copper
    • 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
    • H01B13/141—Insulating conductors or cables by extrusion of two or more insulating 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
    • H01B13/06—Insulating conductors or cables
    • H01B13/14—Insulating conductors or cables by extrusion
    • H01B13/148—Selection of the insulating material therefor
    • 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
    • H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
    • 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
    • H01B13/32—Filling or coating with impervious material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/08—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances quartz; glass; glass wool; slag wool; vitreous enamels
    • 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
    • H01B7/02—Disposition of insulation
    • H01B7/0275—Disposition of insulation comprising one or more extruded layers 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
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
    • H01B7/1825—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of a high tensile strength core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1895—Internal space filling-up means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
    • H01B7/288—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable using hygroscopic material or material swelling in the presence of liquid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/005—Power cables including optical transmission elements

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Insulated Conductors (AREA)

Abstract

The invention belongs to the technical field of cables and particularly relates to a manufacture method of an optical and electric composite cable with special-shaped filling ropes. The method is characterized by comprising the steps of manufacturing a first optical fiber signal transmission unit, manufacturing a second optical fiber signal transmission unit, manufacturing a first power transmission unit, manufacturing a second power transmission unit, manufacturing a cable core, manufacturing a protective layer and manufacturing an outer sheath. The invention also discloses the optical and electric composite cable with the special-shaped filling ropes, an optical cable with special-shaped filling ropes and a manufacture method of the optical cable with the special-shaped filling ropes. The manufacturing method of the optical and electric composite cable with the special-shaped filling ropes is simple in manufacture and easy to grasp. The obtained composite cable or optical cable has the technical advantages of being simple in structure, low in cost, environmentally friendly, light in weight, easy to produce, excellent in waterproof performance and the like.

Description

There is the manufacture method of the optoelectrical cable of special-shaped packing gasket
Technical field
The invention belongs to technical field of cables, especially relate to optoelectrical cable with special-shaped packing gasket and preparation method thereof.
Background technology
Along with the develop rapidly of telecommunications, the application of optical fiber cable and electric wire is increasing.The use of optoelectronic composite cable optoelectrical cable or photoelectric mixed cable in other words can make electricity, light is directly registered one's residence, and operator does not need to apply for electric load in addition, therefore, more and more favor by operator.But existing optoelectronic composite cable mainly exists following problem: (1) cable core not rounding, in order to make product rounding, needing a lot of filler or making thicker sheath, which increasing cost; (2) adopt ointment class to fill, not environmentally, solidify when temperature is low, evaporate during temperature height, during indoor use or extend into and to stop up in interior cable ointment and overflow, cause environmental pollution; (3) gasket for packing can only do gap-fill use, can not effectively block water.
In view of above-mentioned defect, operator and manufacture commercial city expect there is better solution.
Summary of the invention
In order to solve the problem, an object of the present invention discloses a kind ofly have the optoelectrical cable of special-shaped packing gasket and have the optical cable of special-shaped packing gasket; Two of object of the present invention discloses the manufacture method of the optoelectrical cable with special-shaped packing gasket and the optical cable with special-shaped packing gasket, and they realize by the following technical solutions.
In embodiment 1 of the present invention, there is the optoelectrical cable of special-shaped packing gasket, be made up of at least two power transmission unit, at least one signal transmission through fiber unit, central reinforce member, many special-shaped packing gaskets, protective layer, oversheaths, power transmission unit is made up of power transmission conductor, the insulating barrier that enveloped by power transmission conductor, signal transmission through fiber unit by optical fiber, envelope fibre-optic protection tube and form, all power transmission unit, all signal transmission through fiber unit distribute around central reinforce member, every root special-shaped packing gasket is all positioned at adjacent power transmission unit, in the gap that signal transmission through fiber unit and protective layer are formed, or every root special-shaped packing gasket is all arranged in the gap of adjacent power transmission unit and protective layer formation, or every root special-shaped packing gasket is all arranged in the gap of adjacent signal transmission through fiber unit and protective layer formation, protective layer is by all power transmission unit, all signal transmission through fiber unit, central reinforce member, all special-shaped packing gaskets envelope, oversheath extrusion molding is coated on outside protective layer, it is characterized in that described special-shaped packing gasket by stiffener, be positioned at water blocking layer outside stiffener, the moisture vapor transmission layer be coated on outside water blocking layer, the outer water blocking layer be positioned at outside moisture vapor transmission layer form, and moisture vapor transmission layer has the moisture vapor transmission hole of water blocking layer and outer water blocking layer in multiple connection.
In embodiment 2 of the present invention and embodiment 3, there is the optoelectrical cable of special-shaped packing gasket, be made up of at least two power transmission unit, at least one signal transmission through fiber unit, many special-shaped packing gaskets, protective layer, oversheaths, power transmission unit is made up of power transmission conductor, the insulating barrier that enveloped by power transmission conductor, signal transmission through fiber unit by optical fiber, envelope fibre-optic protection tube and form, all power transmission unit, all signal transmission through fiber unit distribute around a special-shaped packing gasket, other many special-shaped packing gaskets lay respectively at adjacent power transmission unit, in the gap that signal transmission through fiber unit and protective layer are formed, or every root special-shaped packing gasket is all arranged in the gap of adjacent power transmission unit and protective layer formation, or every root special-shaped packing gasket is all arranged in the gap of adjacent signal transmission through fiber unit and protective layer formation, protective layer is by all power transmission unit, all signal transmission through fiber unit, all special-shaped packing gaskets envelope, oversheath extrusion molding is coated on outside protective layer, it is characterized in that described special-shaped packing gasket by stiffener, be positioned at water blocking layer outside stiffener, the moisture vapor transmission layer be coated on outside water blocking layer, the outer water blocking layer be positioned at outside moisture vapor transmission layer form, and moisture vapor transmission layer has the moisture vapor transmission hole of water blocking layer and outer water blocking layer in multiple connection.
The optoelectrical cable with special-shaped packing gasket described in above-mentioned arbitrary embodiment, the special-shaped packing gasket shown in Fig. 5 can also be used, this special-shaped packing gasket by stiffener, be positioned at water blocking layer outside stiffener, the moisture vapor transmission layer be coated on outside water blocking layer, the outer water blocking layer be positioned at outside moisture vapor transmission layer form, and moisture vapor transmission layer has the moisture vapor transmission hole of water blocking layer and outer water blocking layer in multiple connection; The material of outer water blocking layer is one side film waterstop, and waterstop is have multiple hole, overlay film face is pasted onto on moisture vapor transmission layer.
In the invention process example 4, there is the optical cable of special-shaped packing gasket, be made up of multifiber signal transmission unit, central reinforce member, many special-shaped packing gaskets, protective layer, oversheaths; Signal transmission through fiber unit by optical fiber, envelope fibre-optic protection tube and form; Multifiber signal transmission unit distributes around central reinforce member, many special-shaped packing gaskets lay respectively in the gap of adjacent signal transmission through fiber unit and protective layer formation, all signal transmission through fiber unit, central reinforce member, all special-shaped packing gaskets envelope by protective layer, and oversheath extrusion molding is coated on outside protective layer; It is characterized in that described special-shaped packing gasket by stiffener, be positioned at water blocking layer outside stiffener, the moisture vapor transmission layer be coated on outside water blocking layer, the outer water blocking layer be positioned at outside moisture vapor transmission layer form, and moisture vapor transmission layer has the moisture vapor transmission hole of water blocking layer and outer water blocking layer in multiple connection.
In the invention process example 5 and embodiment 6, there is the optical cable of special-shaped packing gasket, be made up of at least one signal transmission through fiber unit, at least one packing elements, many special-shaped packing gaskets, protective layer, oversheaths, signal transmission through fiber unit by optical fiber, envelope fibre-optic protection tube and form, all signal transmission through fiber unit, all packing elements distribute around a special-shaped packing gasket, other many special-shaped packing gaskets lay respectively in the gap of adjacent signal transmission through fiber unit and protective layer formation, and/or every root special-shaped packing gasket is all arranged in the gap of adjacent packing elements and protective layer formation, and/or every root special-shaped packing gasket is all positioned at adjacent signal transmission through fiber unit, in the gap that packing elements and protective layer are formed, protective layer is by all signal transmission through fiber unit, all packing elements, all special-shaped packing gaskets envelope, oversheath extrusion molding is coated on outside protective layer, it is characterized in that described special-shaped packing gasket by stiffener, be positioned at water blocking layer outside stiffener, the moisture vapor transmission layer be coated on outside water blocking layer, the outer water blocking layer be positioned at outside moisture vapor transmission layer form, and moisture vapor transmission layer has the moisture vapor transmission hole of water blocking layer and outer water blocking layer in multiple connection.
The technique effect such as the present invention has that structure is simple, cost is low, environmental protection, lightweight, easy production, block-water performance are more excellent.
Accompanying drawing explanation
Fig. 1 is the cross-sectional structure schematic diagram of the present invention first embodiment.
Fig. 2 is that the special-shaped packing gasket that Fig. 1 uses intercepts the vertical view that one section of solution cuts rear amplification open.
Fig. 3 is the cross-sectional structure schematic diagram of the present invention second embodiment.
Fig. 4 is the cross-sectional structure schematic diagram of the present invention the 3rd embodiment.
Fig. 5 is the vertical view that the another kind of special-shaped packing gasket in the present invention intercepts that one section of solution cuts rear amplification open.
Fig. 6 is the cross-sectional structure schematic diagram of the present invention the 4th embodiment.
Fig. 7 is the cross-sectional structure schematic diagram of the present invention the 5th embodiment.
Fig. 8 is the cross-sectional structure schematic diagram of the present invention the 6th embodiment.
Embodiment
embodiment 1
Ask for an interview Fig. 1 Fig. 2, there is the optoelectrical cable of special-shaped packing gasket, be made up of two power transmission unit, two signal transmission through fiber unit, central reinforce member 92, four special-shaped packing gaskets, protective layer 9, oversheaths 91; Power transmission unit is made up of power transmission conductor 1, the insulating barrier 2 that enveloped by power transmission conductor; Signal transmission through fiber unit by optical fiber 7, envelope fibre-optic protection tube 8 and form; Two power transmission unit, two signal transmission through fiber unit are symmetrical around central reinforce member, four special-shaped packing gaskets lay respectively in four gaps of adjacent power transmission unit, signal transmission through fiber unit and protective layer formation, two power transmission unit, two signal transmission through fiber unit, central reinforce member, four special-shaped packing gaskets envelope by protective layer, and oversheath extrusion molding is coated on outside protective layer; It is characterized in that described special-shaped packing gasket by stiffener 3, be positioned at water blocking layer 4 outside stiffener, the moisture vapor transmission layer 5 be coated on outside water blocking layer, the outer water blocking layer 6 be positioned at outside moisture vapor transmission layer form, and moisture vapor transmission layer has the moisture vapor transmission hole 51 of water blocking layer and outer water blocking layer in multiple connection.
The optoelectrical cable with special-shaped packing gasket described above, is characterized in that it makes by the following method and obtains:
The first step: the step making the first signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts, extrude with the speed of 50 ~ 400m/min and continuous coo1ing traction formation protection tube, wherein, the weight of the color masterbatch of the first color is 0.01 ~ 0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight; By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fiber are inserted in protection tube, fibre-optic releasing tension force is 3 ~ 5N, 25 ± 5 DEG C time, fibre-optic length is 1.003 ~ 1.020 times of protection tube length, the every root optical fiber in protection tube in sinusoidal or cosine distribution or mutually stranded mode distribute; Complete the making of the first signal transmission through fiber unit;
Second step: the step making the second signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the second color is put into optical fiber secondary cocoon production equipment and melts, extrude with the speed of 50 ~ 400m/min and continuous coo1ing traction formation protection tube, wherein, the weight of the color masterbatch of the first color is 0.01 ~ 0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight; By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fiber are inserted in protection tube, fibre-optic releasing tension force is 3 ~ 5N, 25 ± 5 DEG C time, fibre-optic length is 1.003 ~ 1.020 times of protection tube length, the every root optical fiber in protection tube in sinusoidal or cosine distribution or mutually stranded mode distribute; The color masterbatch of the second color has different colors from the color masterbatch of the first color; Complete the making of the second signal transmission through fiber unit;
3rd step: the step making the first power transmission unit: insulating layer material extrusion molding is coated on power transmission conductor and forms the first power transmission unit outward, wherein, insulating layer material is made up of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene and the first insulation look mother, the weight of the first insulation look mother is 0.01 ~ 0.03 times of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminium or alloy; First insulation look female is different from the color of the color masterbatch of the first color and the color masterbatch of the second color;
4th step: the step making the second power transmission unit: insulating layer material extrusion molding is coated on power transmission conductor and forms the first power transmission unit outward, wherein, insulating layer material is made up of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene and the second insulation look mother, the weight of the second insulation look mother is 0.01 ~ 0.03 times of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminium or alloy; Second insulation look female with first insulate look mother, the color masterbatch of the first color and the color masterbatch of the second color color be different;
5th step: the step making cable core: get central reinforce member, four special-shaped packing gaskets, cable core wrapping element and the first signal transmission through fiber unit, second signal transmission through fiber unit, first power transmission unit, second power transmission unit, SZ stranding machine carries out stranded or parallel placement, and makes: central reinforce member is positioned at central authorities, the first signal transmission through fiber unit, second signal transmission through fiber unit, first power transmission unit, second power transmission unit is positioned at outside central reinforce member, and sees the first signal transmission through fiber unit along the outlet direction of cabler, first power transmission unit, second signal transmission through fiber unit, second power transmission unit is arranged clockwise, and four special-shaped packing gaskets are arranged in the external series gap that adjacent signal transmission through fiber unit and power transmission unit are formed, cable core wrapping element in the mode of the gap one-way spiral of 20 ~ 40mm by the first signal transmission through fiber unit, second signal transmission through fiber unit, first power transmission unit, second power transmission unit and four special-shaped packing gaskets envelope,
6th step: the step making protective layer: fetch protection layer material is longitudinally coated on outside the cable core of the 5th step formation, and protective layer connects the lap width that edge has 2 ~ 4mm;
7th step: the step making oversheath: get jacket material extrusion molding and be coated on outside the protective layer of the 6th step formation, form outer jacket, complete the making of the optoelectrical cable with special-shaped packing gasket.
Certainly, further improve, repeatedly first can arrive second step, form multifiber signal transmission unit, only need ensure that protection tube has different colors; Three to the four step repeatedly, forms many power transmission unit, only need ensure that insulating barrier has different colors; 5th step makes in the step of cable core gets in many special-shaped packing gaskets are placed in the external series gap that adjacent signal transmission through fiber unit and power transmission unit formed or adjacent signal transmission through fiber unit is formed external series gap or in external series gap that adjacent power transmission unit is formed; All signal transmission through fiber unit, power transmission unit, special-shaped packing gasket envelope by cable core wrapping element; When special-shaped packing gasket is placed in the external series gap that adjacent signal transmission through fiber unit and power transmission unit formed, adjacent signal transmission through fiber unit and power transmission unit interval are placed; Special-shaped packing gasket is placed in the external series gap of adjacent signal transmission through fiber unit formation, has part fiber signal transmission unit placed adjacent; Special-shaped packing gasket is placed in the external series gap of adjacent power transmission unit formation, has part power transmission unit placed adjacent.
This embodiment can also improve further, has the optoelectrical cable of special-shaped packing gasket, is made up of at least two power transmission unit, at least one signal transmission through fiber unit, central reinforce member 92, many special-shaped packing gaskets, protective layer 9, oversheaths 91, power transmission unit is made up of power transmission conductor 1, the insulating barrier 2 that enveloped by power transmission conductor, signal transmission through fiber unit by optical fiber 7, envelope fibre-optic protection tube 8 and form, all power transmission unit, all signal transmission through fiber unit distribute around central reinforce member, every root special-shaped packing gasket is all positioned at adjacent power transmission unit, in the gap that signal transmission through fiber unit and protective layer are formed, or every root special-shaped packing gasket is all arranged in the gap of adjacent power transmission unit and protective layer formation, or every root special-shaped packing gasket is all arranged in the gap of adjacent signal transmission through fiber unit and protective layer formation, protective layer is by all power transmission unit, all signal transmission through fiber unit, central reinforce member, all special-shaped packing gaskets envelope, oversheath extrusion molding is coated on outside protective layer, it is characterized in that described special-shaped packing gasket by stiffener 3, be positioned at water blocking layer 4 outside stiffener, the moisture vapor transmission layer 5 be coated on outside water blocking layer, the outer water blocking layer 6 be positioned at outside moisture vapor transmission layer form, and moisture vapor transmission layer has the moisture vapor transmission hole 51 of water blocking layer and outer water blocking layer in multiple connection.
The optoelectrical cable with special-shaped packing gasket described above, is characterized in that it makes by the following method and obtains:
The first step: the step making signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts, extrude with the speed of 50 ~ 400m/min and continuous coo1ing traction formation protection tube, wherein, the weight of the color masterbatch of the first color is 0.01 ~ 0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight; By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fiber are inserted in protection tube, fibre-optic releasing tension force is 3 ~ 5N, 25 ± 5 DEG C time, fibre-optic length is 1.003 ~ 1.020 times of protection tube length, the every root optical fiber in protection tube in sinusoidal or cosine distribution or mutually stranded mode distribute; Complete the making of signal transmission through fiber unit; When needing multifiber signal transmission unit, above-mentioned steps forms multifiber signal transmission unit repeatedly, and wherein the color of the color masterbatch of the first color is different;
Second step: the step making the first power transmission unit: insulating layer material extrusion molding is coated on power transmission conductor and forms the first power transmission unit outward, wherein, insulating layer material is made up of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene and the first insulation look mother, the weight of the first insulation look mother is 0.01 ~ 0.03 times of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminium or alloy; First insulation look female is different from the color of the color masterbatch of the first color;
3rd step: the step making the second power transmission unit: insulating layer material extrusion molding is coated on power transmission conductor and forms the first power transmission unit outward, wherein, insulating layer material is made up of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene and the second insulation look mother, the weight of the second insulation look mother is 0.01 ~ 0.03 times of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminium or alloy; Second insulation look mother and first is insulated, and look female, the color of the color masterbatch of the first color is different;
4th step: the step making cable core: get central reinforce member, many special-shaped packing gaskets, the signal transmission through fiber unit that cable core wrapping element and the first step make, the first power transmission unit that second step makes, the second power transmission unit that 3rd step makes, SZ stranding machine carries out stranded or parallel placement, and make: central reinforce member is positioned at central authorities, signal transmission through fiber unit, first power transmission unit, second power transmission unit is positioned at outside central reinforce member, many special-shaped packing gaskets are arranged in external series gap that adjacent signal transmission through fiber unit and power transmission unit formed or the external series gap that adjacent signal transmission through fiber unit is formed or the external series gap that adjacent power transmission unit is formed, cable core wraps up element in the mode of the gap one-way spiral of 20 ~ 40mm by signal transmission through fiber unit, first power transmission unit, second power transmission unit and many special-shaped packing gaskets envelope,
5th step: the step making protective layer: fetch protection layer material is longitudinally coated on outside the cable core of the 4th step formation, and protective layer connects the lap width that edge has 2 ~ 4mm;
6th step: the step making oversheath: get jacket material extrusion molding and be coated on outside the protective layer of the 5th step formation, form outer jacket, complete the making of the optoelectrical cable with special-shaped packing gasket.
embodiment 2
Ask for an interview Fig. 3 and Fig. 2; There is the optoelectrical cable of special-shaped packing gasket, be made up of two power transmission unit, two signal transmission through fiber unit, five special-shaped packing gaskets, protective layer 9, oversheaths 91; Power transmission unit is made up of power transmission conductor 1, the insulating barrier 2 that enveloped by power transmission conductor; Signal transmission through fiber unit by optical fiber 7, envelope fibre-optic protection tube 8 and form; Two power transmission unit, two signal transmission through fiber unit distribute around a special-shaped packing gasket, other four special-shaped packing gaskets lay respectively in four gaps of adjacent power transmission unit, signal transmission through fiber unit and protective layer formation, two power transmission unit, two signal transmission through fiber unit, five special-shaped packing gaskets envelope by protective layer, and oversheath extrusion molding is coated on outside protective layer; It is characterized in that described special-shaped packing gasket by stiffener 3, be positioned at water blocking layer 4 outside stiffener, the moisture vapor transmission layer 5 be coated on outside water blocking layer, the outer water blocking layer 6 be positioned at outside moisture vapor transmission layer form, and moisture vapor transmission layer has the moisture vapor transmission hole 51 of water blocking layer and outer water blocking layer in multiple connection.
embodiment 3
Ask for an interview Fig. 4, and referring to figs. 1 to Fig. 3; There is the optoelectrical cable of special-shaped packing gasket, be made up of two power transmission unit, two signal transmission through fiber unit, five special-shaped packing gaskets, protective layer 9, oversheaths 91; Power transmission unit is made up of power transmission conductor 1, the insulating barrier 2 that enveloped by power transmission conductor; Signal transmission through fiber unit by optical fiber 7, envelope fibre-optic protection tube 8 and form; Two power transmission unit, two signal transmission through fiber unit are symmetrical around a special-shaped packing gasket, other four special-shaped packing gaskets lay respectively in four gaps of adjacent power transmission unit, signal transmission through fiber unit and protective layer formation, two power transmission unit, two signal transmission through fiber unit, five special-shaped packing gaskets envelope by protective layer, and oversheath extrusion molding is coated on outside protective layer; It is characterized in that described special-shaped packing gasket by stiffener 3, be positioned at water blocking layer 4 outside stiffener, the moisture vapor transmission layer 5 be coated on outside water blocking layer, the outer water blocking layer 6 be positioned at outside moisture vapor transmission layer form, and moisture vapor transmission layer has the moisture vapor transmission hole 51 of water blocking layer and outer water blocking layer in multiple connection.
Above-mentioned arbitrary embodiment 2 or embodiment 3 can also improve further, namely the described optoelectrical cable with special-shaped packing gasket, is made up of at least two power transmission unit, at least one signal transmission through fiber unit, many special-shaped packing gaskets, protective layer 9, oversheaths 91, power transmission unit is made up of power transmission conductor 1, the insulating barrier 2 that enveloped by power transmission conductor, signal transmission through fiber unit by optical fiber 7, envelope fibre-optic protection tube 8 and form, all power transmission unit, all signal transmission through fiber unit distribute around a special-shaped packing gasket, other many special-shaped packing gaskets lay respectively at adjacent power transmission unit, in the gap that signal transmission through fiber unit and protective layer are formed, or every root special-shaped packing gasket is all arranged in the gap of adjacent power transmission unit and protective layer formation, or every root special-shaped packing gasket is all arranged in the gap of adjacent signal transmission through fiber unit and protective layer formation, protective layer is by all power transmission unit, all signal transmission through fiber unit, all special-shaped packing gaskets envelope, oversheath extrusion molding is coated on outside protective layer, it is characterized in that described special-shaped packing gasket by stiffener 3, be positioned at water blocking layer 4 outside stiffener, the moisture vapor transmission layer 5 be coated on outside water blocking layer, the outer water blocking layer 6 be positioned at outside moisture vapor transmission layer form, and moisture vapor transmission layer has the moisture vapor transmission hole 51 of water blocking layer and outer water blocking layer in multiple connection.
The optoelectrical cable with special-shaped packing gasket described above, is characterized in that it makes by the following method and obtains:
The first step: the step making signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts, extrude with the speed of 50 ~ 400m/min and continuous coo1ing traction formation protection tube, wherein, the weight of the color masterbatch of the first color is 0.01 ~ 0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight; By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fiber are inserted in protection tube, fibre-optic releasing tension force is 3 ~ 5N, 25 ± 5 DEG C time, fibre-optic length is 1.003 ~ 1.020 times of protection tube length, the every root optical fiber in protection tube in sinusoidal or cosine distribution or mutually stranded mode distribute; Complete the making of signal transmission through fiber unit; When needing multifiber signal transmission unit, above-mentioned steps forms multifiber signal transmission unit repeatedly, and wherein the color of the color masterbatch of the first color is different;
Second step: the step making the first power transmission unit: insulating layer material extrusion molding is coated on power transmission conductor and forms the first power transmission unit outward, wherein, insulating layer material is made up of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene and the first insulation look mother, the weight of the first insulation look mother is 0.01 ~ 0.03 times of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminium or alloy; First insulation look female is different from the color of the color masterbatch of the first color;
3rd step: the step making the second power transmission unit: insulating layer material extrusion molding is coated on power transmission conductor and forms the first power transmission unit outward, wherein, insulating layer material is made up of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene and the second insulation look mother, the weight of the second insulation look mother is 0.01 ~ 0.03 times of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminium or alloy; Second insulation look mother and first is insulated, and look female, the color of the color masterbatch of the first color is different;
4th step: the step making cable core: get many special-shaped packing gaskets, the signal transmission through fiber unit that cable core wrapping element and the first step make, the first power transmission unit that second step makes, the second power transmission unit that 3rd step makes, SZ stranding machine carries out stranded or parallel placement, and make: a special-shaped packing gasket is positioned at central authorities, signal transmission through fiber unit, first power transmission unit, second power transmission unit is positioned at outside the special-shaped packing gasket of central authorities, many special-shaped packing gaskets are arranged in external series gap that adjacent signal transmission through fiber unit and power transmission unit formed or the external series gap that adjacent signal transmission through fiber unit is formed or the external series gap that adjacent power transmission unit is formed in addition, cable core wraps up element in the mode of the gap one-way spiral of 20 ~ 40mm by signal transmission through fiber unit, first power transmission unit, second power transmission unit and many special-shaped packing gaskets envelope, wherein, a special-shaped packing gasket is only had in the external series gap that adjacent power transmission unit, signal transmission through fiber unit are formed, a special-shaped packing gasket is only had in the external series gap that adjacent power transmission unit is formed, a special-shaped packing gasket is only had in the external series gap that adjacent signal transmission through fiber unit is formed,
5th step: the step making protective layer: fetch protection layer material is longitudinally coated on outside the cable core of the 4th step formation, and protective layer connects the lap width that edge has 2 ~ 4mm;
6th step: the step making oversheath: get jacket material extrusion molding and be coated on outside the protective layer of the 5th step formation, form outer jacket, complete the making of the optoelectrical cable with special-shaped packing gasket.
In above-mentioned arbitrary embodiment, in the gap that adjacent power transmission unit, signal transmission through fiber unit and protective layer are formed, only has a special-shaped packing gasket; A special-shaped packing gasket is only had in the gap that adjacent power transmission unit and protective layer are formed; A special-shaped packing gasket is only had in the gap that adjacent signal transmission through fiber unit and protective layer are formed.
The optoelectrical cable with special-shaped packing gasket described in above-mentioned arbitrary embodiment, is characterized in that the material of described power transmission conductor is copper or aluminium or alloy.
The optoelectrical cable with special-shaped packing gasket described in above-mentioned arbitrary embodiment, is characterized in that the material of described insulating barrier is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene.
The optoelectrical cable with special-shaped packing gasket described in above-mentioned arbitrary embodiment, is characterized in that the material of described stiffener is steel wire or fiberglass reinforced plastics or aramid yarn or glass fiber yarn.
The optoelectrical cable with special-shaped packing gasket described in above-mentioned arbitrary embodiment, the material that it is characterized in that described interior water blocking layer is water blocking yarn, is closely be wrapped on stiffener or described interior water blocking layer to comprise following raw material by weight: polyacrylamide: 50 ~ 80 parts, polyvinyl alcohol: 10 ~ 30 parts, commercially available plastics antioxidant 1010 or 1076:0.6 ~ 1.2 part.
The optoelectrical cable with special-shaped packing gasket described in above-mentioned arbitrary embodiment, is characterized in that the material of described moisture vapor transmission layer is polyester belt.
The optoelectrical cable with special-shaped packing gasket described in above-mentioned arbitrary embodiment, it is characterized in that the material of described outer water blocking layer is water-proofing powder, water-proofing powder is bonded on moisture vapor transmission layer.
The optoelectrical cable with special-shaped packing gasket described in above-mentioned arbitrary embodiment, is characterized in that described optical fiber is for G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type.
The optoelectrical cable with special-shaped packing gasket described in above-mentioned arbitrary embodiment, is characterized in that the material of described protection tube is modified polypropene or polybutylene terephthalate (PBT) or steel or aluminium or copper.
The optoelectrical cable with special-shaped packing gasket described in above-mentioned arbitrary embodiment, is characterized in that the material of described protective layer is polyester belt or waterstop or aluminium-plastic tape or composite steel-plastic belt or glass fiber tape.
The optoelectrical cable with special-shaped packing gasket described in above-mentioned arbitrary embodiment, is characterized in that the material of described oversheath is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene.
The optoelectrical cable with special-shaped packing gasket described in above-mentioned arbitrary embodiment, is characterized in that the material of described central reinforce member is steel wire or steel wire strand rope or fiberglass-reinforced plastic lever.
Further, the optoelectrical cable with special-shaped packing gasket described above, is characterized in that the outer extrusion molding of described central reinforce member is coated with plastics.
The optoelectrical cable with special-shaped packing gasket described in above-mentioned arbitrary embodiment, the special-shaped packing gasket shown in Fig. 5 can also be used, this special-shaped packing gasket by stiffener 3, be positioned at water blocking layer 4 outside stiffener, the moisture vapor transmission layer 5 be coated on outside water blocking layer, the outer water blocking layer 6 be positioned at outside moisture vapor transmission layer form, and moisture vapor transmission layer has the moisture vapor transmission hole 51 of water blocking layer and outer water blocking layer in multiple connection; The material of outer water blocking layer is one side film waterstop, and waterstop is have multiple hole, overlay film face is pasted onto on moisture vapor transmission layer.
The optoelectrical cable with special-shaped packing gasket described in embodiment 1 to 3, owing to have employed special-shaped packing gasket, this special-shaped packing gasket has ectonexine and to block water hydrating structure, reach superpower blocking water and water absorbing properties, more effectively protect fibre-optic optical transmission performance, environment strain property, simultaneously, because special-shaped packing gasket is dry construction, therefore half dry type (in protection tube factice for filling) or Full-dry type photoelectric composite cable can be produced into, the outer water blocking layer of special-shaped packing gasket can stop moisture to enter special-shaped packing gasket or the central reinforce member of central authorities effectively, the total cross-section reaching optoelectronic composite cable blocks water, simultaneously, because it has interior water blocking layer, therefore when there is large discharge water and entering optoelectronic composite cable, moisture can enter interior water blocking layer, moisture vapor transmission layer can use unidirectional material, namely water inwardly can only to block water laminar flow and outwards can not blocking water laminar flow from interior water blocking layer from outer water blocking layer, in this case, when there being moisture to enter, the interior water blocking layer water suction of special-shaped packing gasket, cooled when power transmission unit is worked, optical cable useful life can be extended, in addition, owing to there is stiffener in special-shaped packing gasket, certain tension force can be born therefore can effectively for the production of the folding and unfolding in equipment.
embodiment 4
Ask for an interview Fig. 6, and with reference to figure 2; There is the optical cable of special-shaped packing gasket, be made up of four signal transmission through fiber unit, central reinforce member 92, four special-shaped packing gaskets, protective layer 9, oversheaths 91; Signal transmission through fiber unit by optical fiber 7, envelope fibre-optic protection tube 8 and form; Four signal transmission through fiber unit distribute around central reinforce member, four special-shaped packing gaskets lay respectively in four gaps of adjacent signal transmission through fiber unit and protective layer formation, four signal transmission through fiber unit, central reinforce member, four special-shaped packing gaskets envelope by protective layer, and oversheath extrusion molding is coated on outside protective layer; It is characterized in that described special-shaped packing gasket by stiffener 3, be positioned at water blocking layer 4 outside stiffener, the moisture vapor transmission layer 5 be coated on outside water blocking layer, the outer water blocking layer 6 be positioned at outside moisture vapor transmission layer form, and moisture vapor transmission layer has the moisture vapor transmission hole 51 of water blocking layer and outer water blocking layer in multiple connection.
Certainly; signal transmission through fiber unit in this embodiment can be other many, correspondingly; special-shaped packing gasket can be other many; multifiber signal transmission unit distributes around central reinforce member; many special-shaped packing gaskets lay respectively in the gap of adjacent signal transmission through fiber unit and protective layer formation; all signal transmission through fiber unit, central reinforce member, all special-shaped packing gaskets envelope by protective layer, and oversheath extrusion molding is coated on outside protective layer.
The optical cable with special-shaped packing gasket described above, is characterized in that it makes by the following method and obtains:
The first step: the step making signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts, extrude with the speed of 50 ~ 400m/min and continuous coo1ing traction formation protection tube, wherein, the weight of the color masterbatch of the first color is 0.01 ~ 0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight; By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fiber are inserted in protection tube, fibre-optic releasing tension force is 3 ~ 5N, 25 ± 5 DEG C time, fibre-optic length is 1.003 ~ 1.020 times of protection tube length, the every root optical fiber in protection tube in sinusoidal or cosine distribution or mutually stranded mode distribute; Complete the making of signal transmission through fiber unit; When needing multifiber signal transmission unit, above-mentioned steps forms multifiber signal transmission unit repeatedly, and wherein the color of the color masterbatch of the first color is different;
Second step: the step making cable core: get the signal transmission through fiber unit that many special-shaped packing gaskets, central reinforce member, cable core wrapping element and the first step make, SZ stranding machine carries out stranded or parallel placement, and make: central reinforce member is positioned at central authorities, signal transmission through fiber unit is positioned at outside central reinforce member, many special-shaped packing gaskets are arranged in the external series gap of adjacent signal transmission through fiber unit formation, and signal transmission through fiber unit and many special-shaped packing gaskets envelope in the mode of the gap one-way spiral of 20 ~ 40mm by cable core wrapping element; Wherein, a special-shaped packing gasket is only had in the external series gap that adjacent signal transmission through fiber unit is formed;
3rd step: the step making protective layer: fetch protection layer material is longitudinally coated on outside the cable core of second step formation, and protective layer connects the lap width that edge has 2 ~ 4mm;
4th step: the step making oversheath: get jacket material extrusion molding and be coated on outside the protective layer of the 3rd step formation, form outer jacket, complete the making of the optical cable with special-shaped packing gasket.
embodiment 5
Ask for an interview Fig. 7, and with reference to figure 2; There is the optical cable of special-shaped packing gasket, be made up of three signal transmission through fiber unit, packing elements 93, central reinforce member 92, four special-shaped packing gaskets, protective layer 9, oversheaths 91; Signal transmission through fiber unit by optical fiber 7, envelope fibre-optic protection tube 8 and form; Three signal transmission through fiber unit, packing elements distribute around central reinforce member, four special-shaped packing gaskets lay respectively in the gap of signal transmission through fiber unit, packing elements and protective layer formation in the gap of adjacent signal transmission through fiber unit and protective layer formation and adjacent, three signal transmission through fiber unit, packing elements, central reinforce member, four special-shaped packing gaskets envelope by protective layer, and oversheath extrusion molding is coated on outside protective layer; It is characterized in that described special-shaped packing gasket by stiffener 3, be positioned at water blocking layer 4 outside stiffener, the moisture vapor transmission layer 5 be coated on outside water blocking layer, the outer water blocking layer 6 be positioned at outside moisture vapor transmission layer form, and moisture vapor transmission layer has the moisture vapor transmission hole 51 of water blocking layer and outer water blocking layer in multiple connection.
Embodiment 4 and embodiment 5 can also improve further, namely there is the optical cable of special-shaped packing gasket, be made up of at least one signal transmission through fiber unit, at least one packing elements 93, central reinforce member 92, many special-shaped packing gaskets, protective layer 9, oversheaths 91; Signal transmission through fiber unit by optical fiber 7, envelope fibre-optic protection tube 8 and form; All signal transmission through fiber unit, all packing elements distribute around central reinforce member, in the gap that special-shaped packing gasket lays respectively in the gap that adjacent signal transmission through fiber unit and protective layer formed and/or adjacent signal transmission through fiber unit, packing elements and protective layer is formed and or the gap that formed of adjacent packing elements and protective layer in, all signal transmission through fiber unit, all packing elements, central reinforce member, all special-shaped packing gaskets envelope by protective layer, and oversheath extrusion molding is coated on outside protective layer; It is characterized in that described special-shaped packing gasket by stiffener 3, be positioned at water blocking layer 4 outside stiffener, the moisture vapor transmission layer 5 be coated on outside water blocking layer, the outer water blocking layer 6 be positioned at outside moisture vapor transmission layer form, and moisture vapor transmission layer has the moisture vapor transmission hole 51 of water blocking layer and outer water blocking layer in multiple connection.
The optical cable with special-shaped packing gasket described above, is characterized in that it makes by the following method and obtains:
The first step: the step making signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts, extrude with the speed of 50 ~ 400m/min and continuous coo1ing traction formation protection tube, wherein, the weight of the color masterbatch of the first color is 0.01 ~ 0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight; By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fiber are inserted in protection tube, fibre-optic releasing tension force is 3 ~ 5N, 25 ± 5 DEG C time, fibre-optic length is 1.003 ~ 1.020 times of protection tube length, the every root optical fiber in protection tube in sinusoidal or cosine distribution or mutually stranded mode distribute; Complete the making of signal transmission through fiber unit; When needing multifiber signal transmission unit, above-mentioned steps forms multifiber signal transmission unit repeatedly, and wherein the color of the color masterbatch of the first color is different;
Second step: the step making cable core: get many special-shaped packing gaskets, central reinforce member, at least one packing elements, the signal transmission through fiber unit that cable core wrapping element and the first step make, SZ stranding machine carries out stranded or parallel placement, and make: central reinforce member is positioned at central authorities, signal transmission through fiber unit and packing elements are positioned at outside central reinforce member, many special-shaped packing gaskets are arranged in the external series gap that external series gap that adjacent signal transmission through fiber unit formed or the external series gap that adjacent packing elements is formed or adjacent signal transmission through fiber unit and packing elements are formed, signal transmission through fiber unit and many special-shaped packing gaskets envelope in the mode of the gap one-way spiral of 20 ~ 40mm by cable core wrapping element, wherein, a special-shaped packing gasket is only had in the external series gap that adjacent signal transmission through fiber unit is formed, only have a special-shaped packing gasket in the external series gap that adjacent packing elements is formed, in the external series gap that adjacent signal transmission through fiber unit and packing elements are formed, only have a special-shaped packing gasket,
3rd step: the step making protective layer: fetch protection layer material is longitudinally coated on outside the cable core of second step formation, and protective layer connects the lap width that edge has 2 ~ 4mm;
4th step: the step making oversheath: get jacket material extrusion molding and be coated on outside the protective layer of the 3rd step formation, form outer jacket, complete the making of the optical cable with special-shaped packing gasket.
embodiment 6
Ask for an interview Fig. 8, and with reference to figs. 2 and 7; There is the optical cable of special-shaped packing gasket, be made up of four signal transmission through fiber unit, five special-shaped packing gaskets, protective layer 9, oversheaths 91; Signal transmission through fiber unit by optical fiber 7, envelope fibre-optic protection tube 8 and form; Four signal transmission through fiber unit are symmetrical around a special-shaped packing gasket, other four special-shaped packing gaskets lay respectively in four gaps of adjacent signal transmission through fiber unit and protective layer formation, four signal transmission through fiber unit, five special-shaped packing gaskets envelope by protective layer, and oversheath extrusion molding is coated on outside protective layer; It is characterized in that described special-shaped packing gasket by stiffener 3, be positioned at water blocking layer 4 outside stiffener, the moisture vapor transmission layer 5 be coated on outside water blocking layer, the outer water blocking layer 6 be positioned at outside moisture vapor transmission layer form, and moisture vapor transmission layer has the moisture vapor transmission hole 51 of water blocking layer and outer water blocking layer in multiple connection.
Certainly, as improving further, the optical cable with special-shaped packing gasket described in embodiment 6, also can be made up of at least one signal transmission through fiber unit, at least one packing elements, many special-shaped packing gaskets, protective layer 9, oversheaths 91, signal transmission through fiber unit by optical fiber 7, envelope fibre-optic protection tube 8 and form, all signal transmission through fiber unit, all packing elements distribute around a special-shaped packing gasket, other many special-shaped packing gaskets lay respectively in the gap of adjacent signal transmission through fiber unit and protective layer formation, and/or every root special-shaped packing gasket is all arranged in the gap of adjacent packing elements and protective layer formation, and/or every root special-shaped packing gasket is all positioned at adjacent signal transmission through fiber unit, in the gap that packing elements and protective layer are formed, protective layer is by all signal transmission through fiber unit, all packing elements, all special-shaped packing gaskets envelope, oversheath extrusion molding is coated on outside protective layer, it is characterized in that described special-shaped packing gasket by stiffener 3, be positioned at water blocking layer 4 outside stiffener, the moisture vapor transmission layer 5 be coated on outside water blocking layer, the outer water blocking layer 6 be positioned at outside moisture vapor transmission layer form, and moisture vapor transmission layer has the moisture vapor transmission hole 51 of water blocking layer and outer water blocking layer in multiple connection.
The optical cable with special-shaped packing gasket described above, is characterized in that it makes by the following method and obtains:
The first step: the step making signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts, extrude with the speed of 50 ~ 400m/min and continuous coo1ing traction formation protection tube, wherein, the weight of the color masterbatch of the first color is 0.01 ~ 0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight; By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fiber are inserted in protection tube, fibre-optic releasing tension force is 3 ~ 5N, 25 ± 5 DEG C time, fibre-optic length is 1.003 ~ 1.020 times of protection tube length, the every root optical fiber in protection tube in sinusoidal or cosine distribution or mutually stranded mode distribute; Complete the making of signal transmission through fiber unit; When needing multifiber signal transmission unit, above-mentioned steps forms multifiber signal transmission unit repeatedly, and wherein the color of the color masterbatch of the first color is different;
Second step: the step making cable core: get many special-shaped packing gaskets, at least one packing elements, the signal transmission through fiber unit that cable core wrapping element and the first step make, SZ stranding machine carries out stranded or parallel placement, and make: wherein a special-shaped packing gasket is positioned at central authorities, signal transmission through fiber unit and packing elements are positioned at outside central reinforce member, other many special-shaped packing gaskets are arranged in the external series gap that external series gap that adjacent signal transmission through fiber unit formed or the external series gap that adjacent packing elements is formed or adjacent signal transmission through fiber unit and packing elements are formed, signal transmission through fiber unit and many special-shaped packing gaskets envelope in the mode of the gap one-way spiral of 20 ~ 40mm by cable core wrapping element, wherein, a special-shaped packing gasket is only had in the external series gap that adjacent signal transmission through fiber unit is formed, only have a special-shaped packing gasket in the external series gap that adjacent packing elements is formed, in the external series gap that adjacent signal transmission through fiber unit and packing elements are formed, only have a special-shaped packing gasket,
3rd step: the step making protective layer: fetch protection layer material is longitudinally coated on outside the cable core of second step formation, and protective layer connects the lap width that edge has 2 ~ 4mm;
4th step: the step making oversheath: get jacket material extrusion molding and be coated on outside the protective layer of the 3rd step formation, form outer jacket, complete the making of the optical cable with special-shaped packing gasket.
The optical cable with special-shaped packing gasket described above, only has a special-shaped packing gasket in the gap that adjacent signal transmission through fiber unit and protective layer are formed; A special-shaped packing gasket is only had in the gap that adjacent packing elements and protective layer are formed; A special-shaped packing gasket is only had in the gap that adjacent signal transmission through fiber unit, packing elements and protective layer are formed.
Certainly, the optical cable with special-shaped packing gasket described in above-mentioned embodiment 4 to embodiment 5, special-shaped packing gasket wherein can also adopt the structure of Fig. 5, i.e. the last structure described in embodiment 3.
The optical cable with special-shaped packing gasket in above-mentioned embodiment 4 to embodiment 6 described in arbitrary embodiment, is characterized in that the material of described stiffener is steel wire or fiberglass reinforced plastics or aramid yarn or glass fiber yarn.
The optical cable with special-shaped packing gasket in above-mentioned embodiment 4 to embodiment 6 described in arbitrary embodiment, it is characterized in that the material of described interior water blocking layer is water blocking yarn, is closely be wrapped on stiffener.
The optical cable with special-shaped packing gasket in above-mentioned embodiment 4 to embodiment 6 described in arbitrary embodiment, is characterized in that the material of described moisture vapor transmission layer is polyester belt.
The optical cable with special-shaped packing gasket in above-mentioned embodiment 4 to embodiment 6 described in arbitrary embodiment, it is characterized in that the material of described outer water blocking layer is water-proofing powder, water-proofing powder is bonded on moisture vapor transmission layer.
The optical cable with special-shaped packing gasket in above-mentioned embodiment 4 to embodiment 6 described in arbitrary embodiment, is characterized in that described optical fiber is for G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type.
The optical cable with special-shaped packing gasket in above-mentioned embodiment 4 to embodiment 6 described in arbitrary embodiment, is characterized in that the material of described protection tube is modified polypropene or polybutylene terephthalate (PBT) or steel or aluminium or copper.
The optical cable with special-shaped packing gasket in above-mentioned embodiment 4 to embodiment 6 described in arbitrary embodiment, is characterized in that the material of described protective layer is polyester belt or waterstop or aluminium-plastic tape or composite steel-plastic belt or glass fiber tape.
The optical cable with special-shaped packing gasket in above-mentioned embodiment 4 to embodiment 6 described in arbitrary embodiment, is characterized in that the material of described oversheath is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene.
The optical cable with special-shaped packing gasket in above-mentioned embodiment 4 to embodiment 6 described in arbitrary embodiment, is characterized in that the material of described central reinforce member is steel wire or steel wire strand rope or fiberglass-reinforced plastic lever.
Further, the optical cable with special-shaped packing gasket described above, is characterized in that the outer extrusion molding of described central reinforce member is coated with plastics.
The optical cable with special-shaped packing gasket described in embodiment 4 to 6, owing to have employed special-shaped packing gasket, this special-shaped packing gasket has ectonexine and to block water hydrating structure, reaches superpower blocking water and water absorbing properties, more effectively protects fibre-optic optical transmission performance, environment strain property, simultaneously, because special-shaped packing gasket is dry construction, therefore half dry type (in protection tube factice for filling) or Full-dry optical cable can be produced into, the outer water blocking layer of special-shaped packing gasket can stop moisture to enter special-shaped packing gasket or the central reinforce member of central authorities effectively, the total cross-section reaching optical cable blocks water, simultaneously, because it has interior water blocking layer, therefore when there is large discharge water and entering optical cable, moisture can enter interior water blocking layer, moisture vapor transmission layer can use unidirectional material, namely water inwardly can only to block water laminar flow and outwards can not blocking water laminar flow from interior water blocking layer from outer water blocking layer, in this case, when there being moisture to enter, the interior water blocking layer water suction of special-shaped packing gasket, reach the superpower performance blocked water, optical cable useful life can be extended, in addition, owing to there is stiffener in special-shaped packing gasket, certain tension force can be born therefore can effectively for the production of the folding and unfolding in equipment.
In the present invention, the interior water blocking layer of special-shaped packing gasket comprises following raw material by weight: polyacrylamide: 50 ~ 80 parts, polyvinyl alcohol: 10 ~ 30 parts, commercially available plastics antioxidant 1010 or 1076:0.6 ~ 1.2 part; Outer water blocking layer is water-proofing powder, and the thickness of the bisque that blocks water is 0.08 ~ 0.20mm, and the thickness of moisture vapor transmission layer is 0.03 ~ 0.10mm; It is 1 kilometer that applicant adopts this special-shaped packing gasket and prior art respectively to produce standard segment length/optical cable 350 that optoelectrical cable 200 coils, standard segment length is 2 kilometers/dish of dish coils, through the infiltration test that YD/T901-2009 requires, the cable in the present invention does not have water leakage; And adopt half dry type interstitital texture of the prior art, in the cable core gap of same model specification, place 6 dtex2200 type water blocking yarns, 22 dish infiltrations have appearred in optoelectrical cable, 8 dish infiltrations have appearred in optical cable; Therefore, the present invention obtains extraordinary technique effect in block-water performance.
In method of the present invention; every root optical fiber in protection tube in sinusoidal or cosine distribution or the mode that mutually stranded mode distributes or other is loose distribute; so-called loose mode distributes and refers to that optical fiber is not present lineal layout in protection tube; when there is in protection tube filler; can ensure that optical fiber is sinusoidal or cosine distribution or other expectation loose distribution mode more accurately; be conducive to stablizing of optical fiber optical property and stablizing of mechanical performance, optical fiber can not produce due to the existence of micro-crack fast, natural fracture.
Therefore, the technique effect such as the present invention has that structure is simple, cost is low, environmental protection, lightweight, easy production, block-water performance are more excellent.
The present invention is not limited to above-mentioned preferred forms, and should be appreciated that design of the present invention can be implemented to use by other various forms, they drop in protection scope of the present invention equally.

Claims (10)

1. there is the optoelectrical cable of special-shaped packing gasket, it is characterized in that it makes by the following method and obtain:
The first step: the step making the first signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts, extrude with the speed of 50 ~ 400m/min and continuous coo1ing traction formation protection tube, wherein, the weight of the color masterbatch of the first color is 0.01 ~ 0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight; By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fiber are inserted in protection tube, fibre-optic releasing tension force is 3 ~ 5N, 25 ± 5 DEG C time, fibre-optic length is 1.003 ~ 1.020 times of protection tube length, the every root optical fiber in protection tube in sinusoidal or cosine distribution or mutually stranded mode distribute; Complete the making of the first signal transmission through fiber unit;
Second step: the step making the second signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the second color is put into optical fiber secondary cocoon production equipment and melts, extrude with the speed of 50 ~ 400m/min and continuous coo1ing traction formation protection tube, wherein, the weight of the color masterbatch of the first color is 0.01 ~ 0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight; By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fiber are inserted in protection tube, fibre-optic releasing tension force is 3 ~ 5N, 25 ± 5 DEG C time, fibre-optic length is 1.003 ~ 1.020 times of protection tube length, the every root optical fiber in protection tube in sinusoidal or cosine distribution or mutually stranded mode distribute; The color masterbatch of the second color has different colors from the color masterbatch of the first color; Complete the making of the second signal transmission through fiber unit;
3rd step: the step making the first power transmission unit: insulating layer material extrusion molding is coated on power transmission conductor and forms the first power transmission unit outward, wherein, insulating layer material is made up of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene and the first insulation look mother, the weight of the first insulation look mother is 0.01 ~ 0.03 times of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminium or alloy; First insulation look female is different from the color of the color masterbatch of the first color and the color masterbatch of the second color;
4th step: the step making the second power transmission unit: insulating layer material extrusion molding is coated on power transmission conductor and forms the first power transmission unit outward, wherein, insulating layer material is made up of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene and the second insulation look mother, the weight of the second insulation look mother is 0.01 ~ 0.03 times of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminium or alloy; Second insulation look female with first insulate look mother, the color masterbatch of the first color and the color masterbatch of the second color color be different;
5th step: the step making cable core: get central reinforce member, four special-shaped packing gaskets, cable core wrapping element and the first signal transmission through fiber unit, second signal transmission through fiber unit, first power transmission unit, second power transmission unit, SZ stranding machine carries out stranded or parallel placement, and makes: central reinforce member is positioned at central authorities, the first signal transmission through fiber unit, second signal transmission through fiber unit, first power transmission unit, second power transmission unit is positioned at outside central reinforce member, and sees the first signal transmission through fiber unit along the outlet direction of cabler, first power transmission unit, second signal transmission through fiber unit, second power transmission unit is arranged clockwise, and four special-shaped packing gaskets are arranged in the external series gap that adjacent signal transmission through fiber unit and power transmission unit are formed, cable core wrapping element in the mode of the gap one-way spiral of 20 ~ 40mm by the first signal transmission through fiber unit, second signal transmission through fiber unit, first power transmission unit, second power transmission unit and four special-shaped packing gaskets envelope,
6th step: the step making protective layer: fetch protection layer material is longitudinally coated on outside the cable core of the 5th step formation, and protective layer connects the lap width that edge has 2 ~ 4mm;
7th step: the step making oversheath: get jacket material extrusion molding and be coated on outside the protective layer of the 6th step formation, form outer jacket, complete the making of the optoelectrical cable with special-shaped packing gasket.
2. there is the optoelectrical cable of special-shaped packing gasket, it is characterized in that it makes by the following method and obtain:
The first step: the step making signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts, extrude with the speed of 50 ~ 400m/min and continuous coo1ing traction formation protection tube, wherein, the weight of the color masterbatch of the first color is 0.01 ~ 0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight; By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fiber are inserted in protection tube, fibre-optic releasing tension force is 3 ~ 5N, 25 ± 5 DEG C time, fibre-optic length is 1.003 ~ 1.020 times of protection tube length, the every root optical fiber in protection tube in sinusoidal or cosine distribution or mutually stranded mode distribute; Complete the making of signal transmission through fiber unit; When needing multifiber signal transmission unit, above-mentioned steps forms multifiber signal transmission unit repeatedly, and wherein the color of the color masterbatch of the first color is different;
Second step: the step making the first power transmission unit: insulating layer material extrusion molding is coated on power transmission conductor and forms the first power transmission unit outward, wherein, insulating layer material is made up of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene and the first insulation look mother, the weight of the first insulation look mother is 0.01 ~ 0.03 times of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminium or alloy; First insulation look female is different from the color of the color masterbatch of the first color;
3rd step: the step making the second power transmission unit: insulating layer material extrusion molding is coated on power transmission conductor and forms the first power transmission unit outward, wherein, insulating layer material is made up of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene and the second insulation look mother, the weight of the second insulation look mother is 0.01 ~ 0.03 times of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminium or alloy; Second insulation look mother and first is insulated, and look female, the color of the color masterbatch of the first color is different;
4th step: the step making cable core: get central reinforce member, many special-shaped packing gaskets, the signal transmission through fiber unit that cable core wrapping element and the first step make, the first power transmission unit that second step makes, the second power transmission unit that 3rd step makes, SZ stranding machine carries out stranded or parallel placement, and make: central reinforce member is positioned at central authorities, signal transmission through fiber unit, first power transmission unit, second power transmission unit is positioned at outside central reinforce member, many special-shaped packing gaskets are arranged in external series gap that adjacent signal transmission through fiber unit and power transmission unit formed or the external series gap that adjacent signal transmission through fiber unit is formed or the external series gap that adjacent power transmission unit is formed, cable core wraps up element in the mode of the gap one-way spiral of 20 ~ 40mm by signal transmission through fiber unit, first power transmission unit, second power transmission unit and many special-shaped packing gaskets envelope,
5th step: the step making protective layer: fetch protection layer material is longitudinally coated on outside the cable core of the 4th step formation, and protective layer connects the lap width that edge has 2 ~ 4mm;
6th step: the step making oversheath: get jacket material extrusion molding and be coated on outside the protective layer of the 5th step formation, form outer jacket, complete the making of the optoelectrical cable with special-shaped packing gasket.
3. there is the optoelectrical cable of special-shaped packing gasket, it is characterized in that it makes by the following method and obtain:
The first step: the step making signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts, extrude with the speed of 50 ~ 400m/min and continuous coo1ing traction formation protection tube, wherein, the weight of the color masterbatch of the first color is 0.01 ~ 0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight; By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fiber are inserted in protection tube, fibre-optic releasing tension force is 3 ~ 5N, 25 ± 5 DEG C time, fibre-optic length is 1.003 ~ 1.020 times of protection tube length, the every root optical fiber in protection tube in sinusoidal or cosine distribution or mutually stranded mode distribute; Complete the making of signal transmission through fiber unit; When needing multifiber signal transmission unit, above-mentioned steps forms multifiber signal transmission unit repeatedly, and wherein the color of the color masterbatch of the first color is different;
Second step: the step making the first power transmission unit: insulating layer material extrusion molding is coated on power transmission conductor and forms the first power transmission unit outward, wherein, insulating layer material is made up of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene and the first insulation look mother, the weight of the first insulation look mother is 0.01 ~ 0.03 times of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminium or alloy; First insulation look female is different from the color of the color masterbatch of the first color;
3rd step: the step making the second power transmission unit: insulating layer material extrusion molding is coated on power transmission conductor and forms the first power transmission unit outward, wherein, insulating layer material is made up of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene and the second insulation look mother, the weight of the second insulation look mother is 0.01 ~ 0.03 times of low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminium or alloy; Second insulation look mother and first is insulated, and look female, the color of the color masterbatch of the first color is different;
4th step: the step making cable core: get many special-shaped packing gaskets, the signal transmission through fiber unit that cable core wrapping element and the first step make, the first power transmission unit that second step makes, the second power transmission unit that 3rd step makes, SZ stranding machine carries out stranded or parallel placement, and make: a special-shaped packing gasket is positioned at central authorities, signal transmission through fiber unit, first power transmission unit, second power transmission unit is positioned at outside the special-shaped packing gasket of central authorities, many special-shaped packing gaskets are arranged in external series gap that adjacent signal transmission through fiber unit and power transmission unit formed or the external series gap that adjacent signal transmission through fiber unit is formed or the external series gap that adjacent power transmission unit is formed in addition, cable core wraps up element in the mode of the gap one-way spiral of 20 ~ 40mm by signal transmission through fiber unit, first power transmission unit, second power transmission unit and many special-shaped packing gaskets envelope, wherein, a special-shaped packing gasket is only had in the external series gap that adjacent power transmission unit, signal transmission through fiber unit are formed, a special-shaped packing gasket is only had in the external series gap that adjacent power transmission unit is formed, a special-shaped packing gasket is only had in the external series gap that adjacent signal transmission through fiber unit is formed,
5th step: the step making protective layer: fetch protection layer material is longitudinally coated on outside the cable core of the 4th step formation, and protective layer connects the lap width that edge has 2 ~ 4mm;
6th step: the step making oversheath: get jacket material extrusion molding and be coated on outside the protective layer of the 5th step formation, form outer jacket, complete the making of the optoelectrical cable with special-shaped packing gasket.
4. there is the optical cable of special-shaped packing gasket, it is characterized in that it makes by the following method and obtain:
The first step: the step making signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts, extrude with the speed of 50 ~ 400m/min and continuous coo1ing traction formation protection tube, wherein, the weight of the color masterbatch of the first color is 0.01 ~ 0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight; By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fiber are inserted in protection tube, fibre-optic releasing tension force is 3 ~ 5N, 25 ± 5 DEG C time, fibre-optic length is 1.003 ~ 1.020 times of protection tube length, the every root optical fiber in protection tube in sinusoidal or cosine distribution or mutually stranded mode distribute; Complete the making of signal transmission through fiber unit; When needing multifiber signal transmission unit, above-mentioned steps forms multifiber signal transmission unit repeatedly, and wherein the color of the color masterbatch of the first color is different;
Second step: the step making cable core: get the signal transmission through fiber unit that many special-shaped packing gaskets, central reinforce member, cable core wrapping element and the first step make, SZ stranding machine carries out stranded or parallel placement, and make: central reinforce member is positioned at central authorities, signal transmission through fiber unit is positioned at outside central reinforce member, many special-shaped packing gaskets are arranged in the external series gap of adjacent signal transmission through fiber unit formation, and signal transmission through fiber unit and many special-shaped packing gaskets envelope in the mode of the gap one-way spiral of 20 ~ 40mm by cable core wrapping element; Wherein, a special-shaped packing gasket is only had in the external series gap that adjacent signal transmission through fiber unit is formed;
3rd step: the step making protective layer: fetch protection layer material is longitudinally coated on outside the cable core of second step formation, and protective layer connects the lap width that edge has 2 ~ 4mm;
4th step: the step making oversheath: get jacket material extrusion molding and be coated on outside the protective layer of the 3rd step formation, form outer jacket, complete the making of the optical cable with special-shaped packing gasket.
5. there is the optical cable of special-shaped packing gasket, it is characterized in that it makes by the following method and obtain:
The first step: the step making signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts, extrude with the speed of 50 ~ 400m/min and continuous coo1ing traction formation protection tube, wherein, the weight of the color masterbatch of the first color is 0.01 ~ 0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight; By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fiber are inserted in protection tube, fibre-optic releasing tension force is 3 ~ 5N, 25 ± 5 DEG C time, fibre-optic length is 1.003 ~ 1.020 times of protection tube length, the every root optical fiber in protection tube in sinusoidal or cosine distribution or mutually stranded mode distribute; Complete the making of signal transmission through fiber unit; When needing multifiber signal transmission unit, above-mentioned steps forms multifiber signal transmission unit repeatedly, and wherein the color of the color masterbatch of the first color is different;
Second step: the step making cable core: get many special-shaped packing gaskets, central reinforce member, at least one packing elements, the signal transmission through fiber unit that cable core wrapping element and the first step make, SZ stranding machine carries out stranded or parallel placement, and make: central reinforce member is positioned at central authorities, signal transmission through fiber unit and packing elements are positioned at outside central reinforce member, many special-shaped packing gaskets are arranged in the external series gap that external series gap that adjacent signal transmission through fiber unit formed or the external series gap that adjacent packing elements is formed or adjacent signal transmission through fiber unit and packing elements are formed, signal transmission through fiber unit and many special-shaped packing gaskets envelope in the mode of the gap one-way spiral of 20 ~ 40mm by cable core wrapping element, wherein, a special-shaped packing gasket is only had in the external series gap that adjacent signal transmission through fiber unit is formed, only have a special-shaped packing gasket in the external series gap that adjacent packing elements is formed, in the external series gap that adjacent signal transmission through fiber unit and packing elements are formed, only have a special-shaped packing gasket,
3rd step: the step making protective layer: fetch protection layer material is longitudinally coated on outside the cable core of second step formation, and protective layer connects the lap width that edge has 2 ~ 4mm;
4th step: the step making oversheath: get jacket material extrusion molding and be coated on outside the protective layer of the 3rd step formation, form outer jacket, complete the making of the optical cable with special-shaped packing gasket.
6. there is the optical cable of special-shaped packing gasket, it is characterized in that it makes by the following method and obtain:
The first step: the step making signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts, extrude with the speed of 50 ~ 400m/min and continuous coo1ing traction formation protection tube, wherein, the weight of the color masterbatch of the first color is 0.01 ~ 0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight; By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fiber are inserted in protection tube, fibre-optic releasing tension force is 3 ~ 5N, 25 ± 5 DEG C time, fibre-optic length is 1.003 ~ 1.020 times of protection tube length, the every root optical fiber in protection tube in sinusoidal or cosine distribution or mutually stranded mode distribute; Complete the making of signal transmission through fiber unit; When needing multifiber signal transmission unit, above-mentioned steps forms multifiber signal transmission unit repeatedly, and wherein the color of the color masterbatch of the first color is different;
Second step: the step making cable core: get many special-shaped packing gaskets, at least one packing elements, the signal transmission through fiber unit that cable core wrapping element and the first step make, SZ stranding machine carries out stranded or parallel placement, and make: wherein a special-shaped packing gasket is positioned at central authorities, signal transmission through fiber unit and packing elements are positioned at outside central reinforce member, other many special-shaped packing gaskets are arranged in the external series gap that external series gap that adjacent signal transmission through fiber unit formed or the external series gap that adjacent packing elements is formed or adjacent signal transmission through fiber unit and packing elements are formed, signal transmission through fiber unit and many special-shaped packing gaskets envelope in the mode of the gap one-way spiral of 20 ~ 40mm by cable core wrapping element, wherein, a special-shaped packing gasket is only had in the external series gap that adjacent signal transmission through fiber unit is formed, only have a special-shaped packing gasket in the external series gap that adjacent packing elements is formed, in the external series gap that adjacent signal transmission through fiber unit and packing elements are formed, only have a special-shaped packing gasket,
3rd step: the step making protective layer: fetch protection layer material is longitudinally coated on outside the cable core of second step formation, and protective layer connects the lap width that edge has 2 ~ 4mm;
4th step: the step making oversheath: get jacket material extrusion molding and be coated on outside the protective layer of the 3rd step formation, form outer jacket, complete the making of the optical cable with special-shaped packing gasket.
7. the optoelectrical cable with special-shaped packing gasket according to claim 1 to claim 3 any one, it is characterized in that described special-shaped packing gasket is by stiffener, be positioned at the water blocking layer outside stiffener, be coated on the moisture vapor transmission layer outside interior water blocking layer, the outer water blocking layer be positioned at outside moisture vapor transmission layer is formed, moisture vapor transmission layer has the moisture vapor transmission hole of water blocking layer and outer water blocking layer in multiple connection, the material of described interior water blocking layer is water blocking yarn, it is closely be wrapped on stiffener or described interior water blocking layer to comprise following raw material by weight: polyacrylamide: 50 ~ 80 parts, polyvinyl alcohol: 10 ~ 30 parts, commercially available plastics antioxidant 1010 or 1076:0.6 ~ 1.2 part, or described special-shaped packing gasket by stiffener, be positioned at water blocking layer outside stiffener, the moisture vapor transmission layer be coated on outside water blocking layer, the outer water blocking layer be positioned at outside moisture vapor transmission layer form, and moisture vapor transmission layer has the moisture vapor transmission hole of water blocking layer and outer water blocking layer in multiple connection, the material of outer water blocking layer is one side film waterstop, waterstop is there is multiple hole, overlay film face is pasted onto on moisture vapor transmission layer, the material of described interior water blocking layer is water blocking yarn, is closely to be wrapped on stiffener or described interior water blocking layer to comprise following raw material by weight: polyacrylamide: 50 ~ 80 parts, polyvinyl alcohol: 10 ~ 30 parts, commercially available plastics antioxidant 1010 or 1076:0.6 ~ 1.2 part.
8. the optical cable with special-shaped packing gasket according to claim 4 to claim 6 any one, it is characterized in that described special-shaped packing gasket is by stiffener, be positioned at the water blocking layer outside stiffener, be coated on the moisture vapor transmission layer outside interior water blocking layer, the outer water blocking layer be positioned at outside moisture vapor transmission layer is formed, moisture vapor transmission layer has the moisture vapor transmission hole of water blocking layer and outer water blocking layer in multiple connection, the material of described interior water blocking layer is water blocking yarn, it is closely be wrapped on stiffener or described interior water blocking layer to comprise following raw material by weight: polyacrylamide: 50 ~ 80 parts, polyvinyl alcohol: 10 ~ 30 parts, commercially available plastics antioxidant 1010 or 1076:0.6 ~ 1.2 part, or described special-shaped packing gasket by stiffener, be positioned at water blocking layer outside stiffener, the moisture vapor transmission layer be coated on outside water blocking layer, the outer water blocking layer be positioned at outside moisture vapor transmission layer form, and moisture vapor transmission layer has the moisture vapor transmission hole of water blocking layer and outer water blocking layer in multiple connection, the material of outer water blocking layer is one side film waterstop, waterstop is there is multiple hole, overlay film face is pasted onto on moisture vapor transmission layer, the material of described interior water blocking layer is water blocking yarn, is closely to be wrapped on stiffener or described interior water blocking layer to comprise following raw material by weight: polyacrylamide: 50 ~ 80 parts, polyvinyl alcohol: 10 ~ 30 parts, commercially available plastics antioxidant 1010 or 1076:0.6 ~ 1.2 part.
9. according to claim 7 have the optoelectrical cable of special-shaped packing gasket or the optical cable with special-shaped packing gasket according to claim 8, it is characterized in that the material of described stiffener is steel wire or fiberglass reinforced plastics or aramid yarn or glass fiber yarn; The material of described moisture vapor transmission layer is polyester belt; The material of described outer water blocking layer is water-proofing powder, and water-proofing powder is bonded on moisture vapor transmission layer.
10. according to claim 8 have the optoelectrical cable of special-shaped packing gasket or the described optical cable with special-shaped packing gasket, it is characterized in that described optical fiber is for G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type; The material of described protection tube is modified polypropene or polybutylene terephthalate (PBT) or steel or aluminium or copper; The material of described protective layer is polyester belt or waterstop or aluminium-plastic tape or composite steel-plastic belt or glass fiber tape; The material of described oversheath is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polyvinyl chloride or low smoke and zero halogen polyethylene.
CN201510113711.4A 2015-03-16 2015-03-16 There is the manufacture method of the optoelectrical cable of special-shaped packing gasket Expired - Fee Related CN104700953B (en)

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CN201610170461.2A CN105607204A (en) 2015-03-16 2015-03-16 Optical cable with special-shaped filling ropes and manufacturing method thereof
CN201610170460.8A CN105607203A (en) 2015-03-16 2015-03-16 Optical cable with special-shaped filling ropes
CN201510113711.4A CN104700953B (en) 2015-03-16 2015-03-16 There is the manufacture method of the optoelectrical cable of special-shaped packing gasket
CN201610170404.4A CN105609198A (en) 2015-03-16 2015-03-16 Manufacturing method of photoelectric composite cable with special-shaped filling ropes
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CN201610170404.4A Division CN105609198A (en) 2015-03-16 2015-03-16 Manufacturing method of photoelectric composite cable with special-shaped filling ropes
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