CN104730667A - Skeleton type optical cable and manufacturing method thereof - Google Patents

Skeleton type optical cable and manufacturing method thereof Download PDF

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Publication number
CN104730667A
CN104730667A CN201510196314.8A CN201510196314A CN104730667A CN 104730667 A CN104730667 A CN 104730667A CN 201510196314 A CN201510196314 A CN 201510196314A CN 104730667 A CN104730667 A CN 104730667A
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China
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type
skeleton
density polyethylene
ribbons
fibre
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CN201510196314.8A
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Chinese (zh)
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CN104730667B (en
Inventor
龚利芬
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Sichuan Tianfu Jiangdong Technology Co ltd
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Individual
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Priority to CN201710727987.0A priority Critical patent/CN107357013A/en
Priority to CN201510196314.8A priority patent/CN104730667B/en
Priority to CN201710727992.1A priority patent/CN107462959A/en
Publication of CN104730667A publication Critical patent/CN104730667A/en
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Publication of CN104730667B publication Critical patent/CN104730667B/en
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    • 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
    • G02B6/4433—Double reinforcement laying in straight line with optical transmission element
    • 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
    • G02B6/4407—Optical cables with internal fluted support member
    • G02B6/4409—Optical cables with internal fluted support member for ribbons
    • 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
    • G02B6/4479—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
    • G02B6/4479—Manufacturing methods of optical cables
    • G02B6/4486—Protective covering
    • 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
    • H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
    • 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)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Communication Cables (AREA)

Abstract

The invention belongs to the technical field of optical fibers and cables and particularly relates to a skeleton type optical cable. The skeleton type optical cable comprises a skeleton, a strengthening part located at the center of the skeleton, a protecting layer wrapping the skeleton wholly and a sheath layer extruding and wrapping outside the protecting layer; a plurality of rectangular skeleton grooves are distributed in the skeleton, multiple optical fiber ribbons are placed in each rectangular skeleton groove, and each optical fiber ribbon is provided with multiple ribbon fibers inside. The skeleton type optical cable is characterized in that two sides of each rectangular skeleton groove are respectively provided with a side groove, the side grooves of the rectangular skeleton grooves are communicated with the corresponding rectangular skeleton grooves, each side groove is provided with a power transmission unit or a signal transmission unit therein, each rectangular skeleton groove is provided with a ribbon accommodating groove provided with a top opening and capable of retaining the opening of each side groove, and the optical fiber ribbons are located in the corresponding ribbon accommodating grooves. The invention further discloses a manufacturing method of the skeleton type optical cable. The skeleton type optical cable has the advantages of flexibility in use, higher optical density, capabilities of power transmission and signal transmission, safety and reliability in use, convenience in laying, low maintenance cost and the like.

Description

Slotted core cable and method for making
Technical field
The invention belongs to optical fiber cable technical field, especially relate to slotted core cable and method for making.
Background technology
People's Republic of China (PRC) communication industry standard YD/T 981.1-2009 defines Access Network optical fibre band optical cable part 1: skeleton technical requirement and the structure of recommendation.Slotted core cable due to its in use, do not need other conduit of stripping, therefore, enjoy the favor of user, for this reason, multinomial research has been carried out for slotted core cable both at home and abroad.
CN101881867A discloses a kind of slotted core cable of improvement, and it at least comprises a skeleton (7), a reinforcement (1), a protective seam (8), a sheath (9); Have multiple skeleton grooves (3) in skeleton (7), skeleton grooves is placed with fibre ribbon in (3); Described reinforcement is positioned at skeleton central authorities and integrally extrudes with skeleton and forms, and protective seam is positioned at outside skeleton, and sheath is on the protection layer coated; It is characterized in that: the side (2) of described skeleton grooves (3) and the angle on base (4) are obtuse angle, are placed with the fibre ribbon of at least two kinds of specifications in described skeleton grooves.It due to the fibre ribbon in same skeleton grooves can required design, single fiber cable distributes to unique user, therefore does not cause waste, and manage more convenient, cost is lower.
CN101806945A discloses a kind of slotted core cable of easy stripping, and it includes: be positioned at the central reinforce member (1) at center, skeleton (3), the optical fiber (4) being positioned at skeleton grooves (2) or the fibre ribbon formed around band skeleton grooves (2) right cylinder of central reinforce member, the belting layer (6) enveloping skeleton (3) and skeleton grooves (2) and the outer jacket (7) be extruded in outside belting layer; It is characterized in that: in described optical cable having at least in a skeleton grooves (2) and have mark band (5); Described mark band is can to conduct electricity or magnetic conduction; Described central reinforce member is nonmetallic.This optical cable speed of production is faster, it is more convenient to safeguard, identify longer service life that is simpler, optical fiber.
CN2677956Y discloses a kind of skeleton type optical fiber ribbon and Loose tube composite cable, include skeleton (1), water-blocking component and oversheath (10), being circumferentially with fibre ribbons groove (7) and installing fibre ribbon (3) of skeleton, it is characterized in that also being provided with bushing slot (9) in the circumference of skeleton, in bushing slot, lay the Loose tube (8) being set with optical fiber.
Etc., numerous, but, can only fibre ribbon be placed in the same skeleton grooves of above-mentioned slotted core cable; Can not place loose fine, namely density of optic fibre can also improve further simultaneously; In addition, in above-mentioned slotted core cable, during for placing power transmission line, can only be placed in different skeleton grooves, optical cable utilization factor is reduced; Because optical fiber, power transmission unit are put together, therefore electric power heating very easily affects fiber optic transmissions performance.
Summary of the invention
In order to solve the problem, an object of the present invention discloses a kind of slotted core cable; Two of object of the present invention discloses the method for making of this optical cable; They realize by the following technical solutions.
Slotted core cable, include skeleton, be positioned at the reinforcement of skeleton central authorities, by the protective seam that skeleton integral coating is lived, extrusion molding is coated on the restrictive coating outside protective seam, skeleton is distributed with multiple rectangular framework groove, plurality of ribbons is placed with in each rectangular framework groove, in every root fibre ribbon, there are many ribbon fibers, it is characterized in that the both sides of described each rectangular framework groove have side channel, side channel in each rectangular framework groove is connected with each rectangular framework groove, there is in side channel power transmission unit or signal transmission unit, described each rectangular framework groove has a top end opening, and the appearance trough of belt of side slot openings can be stopped, fibre ribbon is arranged in and holds trough of belt.
Slotted core cable described above, is characterized in that described signal transmission unit is made up of Loose tube and many loose shape optical fiber being arranged in Loose tube.
Slotted core cable described above, is characterized in that described power transmission unit is made up of conductor and the insulation course that enveloped by conductor.
Slotted core cable described above, is characterized in that described ribbon fiber is 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 A1d type or OM1 type or OM2 type or OM3 type.
Slotted core cable described above, is characterized in that described loose shape optical fiber is 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 A1d type or OM1 type or OM2 type or OM3 type.
Slotted core cable described above, is characterized in that the material of described reinforcement is steel wire or glass fiber reinforced plastics or aramid yarn or steel strand wires.
Slotted core cable described above, is characterized in that the material of described conductor is copper or aluminium or alloy.
Slotted core cable described above, is characterized in that the material of described restrictive coating is low-smoke non-halogen flame-retardant tygon or medium density polyethylene or high density polyethylene or Polyvinylchloride.
Slotted core cable described above, is characterized in that described fibre ribbon is 4 fibre ribbons types or 6 fibre ribbons types or 8 fibre ribbons types or 10 fibre ribbons types or 12 fibre ribbons types; Described 4 fibre ribbons types refer in every root fibre ribbon to have 4 ribbon fibers, and 6 fibre ribbons types refer in every root fibre ribbon to have 6 ribbon fibers, the like.
Slotted core cable described above, is characterized in that the material of described Loose tube is modified polypropene or polybutylene terephthalate.
Slotted core cable described above, is characterized in that the material of described insulation course is Low Density Polyethylene or Low Density Polyethylene or high density polyethylene or Polyvinylchloride or low-smoke non-halogen flame-retardant tygon.
Slotted core cable described above, is characterized in that the material of described protective seam is waterstop or aluminium strip or steel band or glass fiber reinforced plastics band.
Slotted core cable described above, it is characterized in that the material of described skeleton is Low Density Polyethylene or Low Density Polyethylene or high density polyethylene or Polyvinylchloride or low-smoke non-halogen flame-retardant tygon or with parts by weight, comprise following raw material: linear low density polyethylene 10 ~ 25 parts, optical cable polypropylene 60 ~ 75 parts, trioctyl trimellitate 3 ~ 5 parts, naphthylamines 1 ~ 2 part, Tissuemat E 1 ~ 2 part, titanium dioxide 5 ~ 8 parts; The skeleton adopting the material of above-mentioned formula to make, has excellent folding, processing characteristics, anti ageing property; Being processed into diameter is after the skeleton of 5 ~ 15mm, with 3 times of diameter values for bending radius carry out continuous 10 circle loop after, discharge, in 5 minutes natural elasticity recover former state; And process velocity is within the scope of 80 ~ 150m/min, uniform external diameter, therefore there is goodish processing characteristics; Through the heat ageing of 110 DEG C, continuously 240h, have no the cracking of skeleton, and adopt other frame material in the present invention just to occur cracking in various degree less than 48 hours, therefore above-mentioned formula can reach excellent resistance to cracking energy.
Slotted core cable described above, is characterized in that the material of described appearance trough of belt is plastics; Preferably PBT or nylon.
Slotted core cable, is characterized in that its method for making comprises following steps:
The first step: make the step of Loose tube: get many good color G.652 type or G.653 type G.654 type or G.655 type G.656 type or G.657 type or A1a type or A1b type or A1c type or A1d type or OM1 type or OM2 type or OM3 type to fall apart shape optical fiber, the pin hole of leading fine pin that the head through secondary coated extruder is installed; Modified polypropene or polybutylene terephthalate are put into spiral shell thorax and extrudes, be drawn into tubulose; Loose shape optical fiber is penetrated in pipe, form initial Loose tube, with the speed quick traction of 100 ~ 300m/min also by the warm water tank of 30 ~ 48 DEG C, then by the cold rinse bank of 15 ~ 25 DEG C, again by the compressed air drying of initial Loose tube with 0.1 ~ 0.3bar, obtain finished product Loose tube; Wherein, the time of initial Loose tube in warm water tank is 1 ~ 3s, and the time of initial Loose tube in cold rinse bank is 10 ~ 20s; Repeated multiple times, obtain many finished product Loose tube, any two Loose tube have different colors;
Second step: make the step of skeleton: get steel wire or glass fiber reinforced plastics or aramid yarn or steel strand wires as reinforcement, by Low Density Polyethylene or Low Density Polyethylene or high density polyethylene or Polyvinylchloride or low-smoke non-halogen flame-retardant tygon or with parts by weight, comprise following raw material: linear low density polyethylene 10 ~ 25 parts, optical cable polypropylene 60 ~ 75 parts, trioctyl trimellitate 3 ~ 5 parts, naphthylamines 1 ~ 2 part, Tissuemat E 1 ~ 2 part, the potpourri extrusion molding of titanium dioxide 5 ~ 8 parts is coated on reinforcement and forms skeleton, make multiple rectangular framework groove that skeleton distributes, the both sides of each rectangular framework groove form the side channel be connected with each rectangular framework groove,
3rd step: the step making protective seam: get and there is a top end opening, size is less than the appearance trough of belt of skeleton grooves, the skeleton formed in second step, plurality of ribbons, the finished product Loose tube formed in the first step, raw material waterstop or aluminium strip or steel band or glass fiber reinforced plastics band, the finished product Loose tube formed in the first step is put into side channel, then appearance trough of belt is put into rectangular framework groove, appearance trough of belt is made to stop side slot openings, plurality of ribbons is put into and holds trough of belt, waterstop or aluminium strip or steel band or glass fiber reinforced plastics band integral coating are lived skeleton, complete the making of protective seam, the material of described appearance trough of belt is plastics, described fibre ribbon is 4 fibre ribbons types or 6 fibre ribbons types or 8 fibre ribbons types or 10 fibre ribbons types or 12 fibre ribbons types, and described fibre ribbon is inner by 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 A1d type or OM1 type or OM2 type or OM3 type ribbon fiber are formed,
4th step: make the step of restrictive coating: get low-smoke non-halogen flame-retardant tygon or medium density polyethylene or high density polyethylene or Polyvinylchloride extrusion molding and be coated on outside protective seam that the 3rd step formed and form restrictive coating, complete the making of slotted core cable.
Another kind of slotted core cable, is characterized in that its method for making comprises following steps:
The first step: make the step of skeleton: get steel wire or glass fiber reinforced plastics or aramid yarn or steel strand wires as reinforcement, by Low Density Polyethylene or Low Density Polyethylene or high density polyethylene or Polyvinylchloride or low-smoke non-halogen flame-retardant tygon or with parts by weight, comprise following raw material: linear low density polyethylene 10 ~ 25 parts, optical cable polypropylene 60 ~ 75 parts, trioctyl trimellitate 3 ~ 5 parts, naphthylamines 1 ~ 2 part, Tissuemat E 1 ~ 2 part, the potpourri extrusion molding of titanium dioxide 5 ~ 8 parts is coated on reinforcement and forms skeleton, make multiple rectangular framework groove that skeleton distributes, the both sides of each rectangular framework groove form the side channel be connected with each rectangular framework groove,
Second step: the step making power transmission unit: get copper wire or aluminium wire or B alloy wire as conductor, Low Density Polyethylene or Low Density Polyethylene or high density polyethylene or Polyvinylchloride or low-smoke non-halogen flame-retardant tygon extrusion molding are coated on conductor and form insulation course outward, complete the making of power transmission unit;
3rd step: the step making protective seam: get and there is a top end opening, size is less than the appearance trough of belt of skeleton grooves, the skeleton formed in the first step, plurality of ribbons, the power transmission unit formed in second step, raw material waterstop or aluminium strip or steel band or glass fiber reinforced plastics band, the power transmission unit formed in second step is put into side channel, then appearance trough of belt is put into rectangular framework groove, appearance trough of belt is made to stop side slot openings, plurality of ribbons is put into and holds trough of belt, waterstop or aluminium strip or steel band or glass fiber reinforced plastics band integral coating are lived skeleton, complete the making of protective seam, the material of described appearance trough of belt is plastics, described fibre ribbon is 4 fibre ribbons types or 6 fibre ribbons types or 8 fibre ribbons types or 10 fibre ribbons types or 12 fibre ribbons types, and described fibre ribbon is inner by 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 A1d type or OM1 type or OM2 type or OM3 type ribbon fiber are formed,
4th step: make the step of restrictive coating: get low-smoke non-halogen flame-retardant tygon or medium density polyethylene or high density polyethylene or Polyvinylchloride extrusion molding and be coated on outside protective seam that the 3rd step formed and form restrictive coating, complete the making of slotted core cable.
Slotted core cable of the present invention, method for making is simple, be easy to grasp, product qualified rate is high.
The present invention have use more flexibly, density of optic fibre is higher, can transmit electricity and can signal transmission, use safety, reliable, the Advantageous Effects such as to lay conveniently, maintenance cost is low.
Accompanying drawing explanation
Fig. 1 is the perspective view after one section of stripping of the invention process example 1.
Fig. 2 is the cross-sectional structure schematic diagram after Fig. 1 amplifies.
Fig. 3 is the perspective view after one section of stripping of the invention process example 2.
Fig. 4 is the cross-sectional structure schematic diagram after Fig. 3 amplifies.
Embodiment
embodiment 1
Ask for an interview Fig. 1 and Fig. 2, slotted core cable, include skeleton 6, be positioned at the reinforcement 5 of skeleton central authorities, the protective seam 10 that skeleton integral coating is lived, extrusion molding is coated on the restrictive coating 11 outside protective seam, skeleton is distributed with multiple rectangular framework groove 7, plurality of ribbons 3 is placed with in each rectangular framework groove, in every root fibre ribbon, there are many ribbon fibers 4, it is characterized in that the both sides of described each rectangular framework groove have side channel 8, side channel in each rectangular framework groove is connected with each rectangular framework groove, in side channel, there is signal transmission unit, signal transmission unit is made up of Loose tube 2 and many loose shape optical fiber 1 being arranged in Loose tube, described each rectangular framework groove has a top end opening and can stop the appearance trough of belt 9 of side slot openings, fibre ribbon is arranged in and holds trough of belt.
Have 4 skeleton grooves in Fig. 1 and Fig. 2, the both sides of each skeleton grooves have a side channel, have a Loose tube in each side channel, have many loose shape optical fiber in every root Loose tube.
In this embodiment, be not limited to 4 skeleton grooves, also can be that other are multiple.
embodiment 2
Ask for an interview Fig. 3 and Fig. 4, slotted core cable, include skeleton 6, be positioned at the reinforcement 5 of skeleton central authorities, the protective seam 10 that skeleton integral coating is lived, extrusion molding is coated on the restrictive coating 11 outside protective seam, skeleton is distributed with multiple rectangular framework groove 7, plurality of ribbons 3 is placed with in each rectangular framework groove, in every root fibre ribbon, there are many ribbon fibers 4, it is characterized in that the both sides of described each rectangular framework groove have side channel 8, side channel in each rectangular framework groove is connected with each rectangular framework groove, in side channel, there is power transmission unit, power transmission unit is made up of conductor 1 and the insulation course 2 that enveloped by conductor, described each rectangular framework groove has a top end opening and can stop the appearance trough of belt 9 of side slot openings, fibre ribbon is arranged in and holds trough of belt.
Have 4 skeleton grooves in Fig. 3 and Fig. 4, the both sides of each skeleton grooves have a side channel, have a power transmission unit in each side channel, and power transmission unit can transferring electric power, can also transmission of electric signals.
Certainly, slotted core cable described above, be further characterized in that, in the side channel of the both sides of described each skeleton grooves, in one of them side channel is power transmission unit, in another is signal transmission unit.
Also slotted core cable namely described above, include skeleton, be positioned at the reinforcement of skeleton central authorities, by the protective seam that skeleton integral coating is lived, extrusion molding is coated on the restrictive coating outside protective seam, skeleton is distributed with multiple rectangular framework groove, plurality of ribbons is placed with in each rectangular framework groove, in every root fibre ribbon, there are many ribbon fibers, it is characterized in that the both sides of described each rectangular framework groove have side channel, side channel in each rectangular framework groove is connected with each rectangular framework groove, there is in side channel power transmission unit or signal transmission unit, described each rectangular framework groove has a top end opening, and the appearance trough of belt of side slot openings can be stopped, fibre ribbon is arranged in and holds trough of belt.
Slotted core cable described above, is characterized in that described ribbon fiber is 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 A1d type or OM1 type or OM2 type or OM3 type.
Slotted core cable described above, is characterized in that described loose shape optical fiber is 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 A1d type or OM1 type or OM2 type or OM3 type.
Slotted core cable described above, is characterized in that the material of described reinforcement is steel wire or glass fiber reinforced plastics or aramid yarn or steel strand wires.
Slotted core cable described above, is characterized in that the material of described conductor is copper or aluminium or alloy.
Slotted core cable described above, is characterized in that the material of described restrictive coating is low-smoke non-halogen flame-retardant tygon or medium density polyethylene or high density polyethylene or Polyvinylchloride.
Slotted core cable described above, is characterized in that described fibre ribbon is 4 fibre ribbons types or 6 fibre ribbons types or 8 fibre ribbons types or 10 fibre ribbons types or 12 fibre ribbons types; Described 4 fibre ribbons types refer in every root fibre ribbon to have 4 ribbon fibers, and 6 fibre ribbons types refer in every root fibre ribbon to have 6 ribbon fibers, the like.
Slotted core cable described above, is characterized in that the material of described Loose tube is modified polypropene or polybutylene terephthalate.
Slotted core cable described above, is characterized in that the material of described insulation course is Low Density Polyethylene or Low Density Polyethylene or high density polyethylene or Polyvinylchloride or low-smoke non-halogen flame-retardant tygon.
Slotted core cable described above, is characterized in that the material of described protective seam is waterstop or aluminium strip or steel band or glass fiber reinforced plastics band.
Slotted core cable described above, is characterized in that the material of described skeleton is Low Density Polyethylene or Low Density Polyethylene or high density polyethylene or Polyvinylchloride or low-smoke non-halogen flame-retardant tygon.
Slotted core cable described above, is characterized in that the material of described appearance trough of belt is plastics.
Slotted core cable described in embodiment 1, is characterized in that its method for making comprises following steps:
The first step: make the step of Loose tube: get many good color G.652 type or G.653 type G.654 type or G.655 type G.656 type or G.657 type or A1a type or A1b type or A1c type or A1d type or OM1 type or OM2 type or OM3 type to fall apart shape optical fiber, the pin hole of leading fine pin that the head through secondary coated extruder is installed; Modified polypropene or polybutylene terephthalate are put into spiral shell thorax and extrudes, be drawn into tubulose; Loose shape optical fiber is penetrated in pipe, form initial Loose tube, with the speed quick traction of 100 ~ 300m/min also by the warm water tank of 30 ~ 48 DEG C, then by the cold rinse bank of 15 ~ 25 DEG C, again by the compressed air drying of initial Loose tube with 0.1 ~ 0.3bar, obtain finished product Loose tube; Wherein, the time of initial Loose tube in warm water tank is 1 ~ 3s, and the time of initial Loose tube in cold rinse bank is 10 ~ 20s; Repeated multiple times, obtain many finished product Loose tube, any two Loose tube have different colors;
Second step: make the step of skeleton: get steel wire or glass fiber reinforced plastics or aramid yarn or steel strand wires as reinforcement, by Low Density Polyethylene or Low Density Polyethylene or high density polyethylene or Polyvinylchloride or low-smoke non-halogen flame-retardant tygon or with parts by weight, comprise following raw material: linear low density polyethylene 10 ~ 25 parts, optical cable polypropylene 60 ~ 75 parts, trioctyl trimellitate 3 ~ 5 parts, naphthylamines 1 ~ 2 part, Tissuemat E 1 ~ 2 part, the potpourri extrusion molding of titanium dioxide 5 ~ 8 parts is coated on reinforcement and forms skeleton, make multiple rectangular framework groove that skeleton distributes, the both sides of each rectangular framework groove form the side channel be connected with each rectangular framework groove,
3rd step: the step making protective seam: get and there is a top end opening, size is less than the appearance trough of belt of skeleton grooves, the skeleton formed in second step, plurality of ribbons, the finished product Loose tube formed in the first step, raw material waterstop or aluminium strip or steel band or glass fiber reinforced plastics band, the finished product Loose tube formed in the first step is put into side channel, then appearance trough of belt is put into rectangular framework groove, appearance trough of belt is made to stop side slot openings, plurality of ribbons is put into and holds trough of belt, waterstop or aluminium strip or steel band or glass fiber reinforced plastics band integral coating are lived skeleton, complete the making of protective seam, the material of described appearance trough of belt is plastics, described fibre ribbon is 4 fibre ribbons types or 6 fibre ribbons types or 8 fibre ribbons types or 10 fibre ribbons types or 12 fibre ribbons types, and described fibre ribbon is inner by 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 A1d type or OM1 type or OM2 type or OM3 type ribbon fiber are formed,
4th step: make the step of restrictive coating: get low-smoke non-halogen flame-retardant tygon or medium density polyethylene or high density polyethylene or Polyvinylchloride extrusion molding and be coated on outside protective seam that the 3rd step formed and form restrictive coating, complete the making of slotted core cable.
Slotted core cable described in embodiment 2, is characterized in that its method for making comprises following steps:
The first step: make the step of skeleton: get steel wire or glass fiber reinforced plastics or aramid yarn or steel strand wires as reinforcement, by Low Density Polyethylene or Low Density Polyethylene or high density polyethylene or Polyvinylchloride or low-smoke non-halogen flame-retardant tygon or with parts by weight, comprise following raw material: linear low density polyethylene 10 ~ 25 parts, optical cable polypropylene 60 ~ 75 parts, trioctyl trimellitate 3 ~ 5 parts, naphthylamines 1 ~ 2 part, Tissuemat E 1 ~ 2 part, the potpourri extrusion molding of titanium dioxide 5 ~ 8 parts is coated on reinforcement and forms skeleton, make multiple rectangular framework groove that skeleton distributes, the both sides of each rectangular framework groove form the side channel be connected with each rectangular framework groove,
Second step: the step making power transmission unit: get copper wire or aluminium wire or B alloy wire as conductor, Low Density Polyethylene or Low Density Polyethylene or high density polyethylene or Polyvinylchloride or low-smoke non-halogen flame-retardant tygon extrusion molding are coated on conductor and form insulation course outward, complete the making of power transmission unit;
3rd step: the step making protective seam: get and there is a top end opening, size is less than the appearance trough of belt of skeleton grooves, the skeleton formed in the first step, plurality of ribbons, the power transmission unit formed in second step, raw material waterstop or aluminium strip or steel band or glass fiber reinforced plastics band, the power transmission unit formed in second step is put into side channel, then appearance trough of belt is put into rectangular framework groove, appearance trough of belt is made to stop side slot openings, plurality of ribbons is put into and holds trough of belt, waterstop or aluminium strip or steel band or glass fiber reinforced plastics band integral coating are lived skeleton, complete the making of protective seam, the material of described appearance trough of belt is plastics, described fibre ribbon is 4 fibre ribbons types or 6 fibre ribbons types or 8 fibre ribbons types or 10 fibre ribbons types or 12 fibre ribbons types, and described fibre ribbon is inner by 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 A1d type or OM1 type or OM2 type or OM3 type ribbon fiber are formed,
4th step: make the step of restrictive coating: get low-smoke non-halogen flame-retardant tygon or medium density polyethylene or high density polyethylene or Polyvinylchloride extrusion molding and be coated on outside protective seam that the 3rd step formed and form restrictive coating, complete the making of slotted core cable.
Slotted core cable of the present invention, method for making is simple, be easy to grasp, product qualified rate is high.
In the present invention, due to the existence of side channel, the message capacity of optical cable is improved greatly, in addition, due to can power transmission unit be placed in side channel, therefore slotted core cable can be made to reach the function simultaneously transmitted electric power, reach the object that number of times is laid in multi-purpose, saving laid down cost and minimizing; Meanwhile, because power transmission unit is placed in the side channel of skeleton grooves both sides respectively, therefore make transmission of electricity safer, reliable; Meanwhile, only need roll over the side holding trough of belt lightly, the optical transmission unit in side channel and/or power transmission unit can be taken out, be convenient to continue, also do not need whole stripping fiber optic cables cross section, do not affect the normal use of the components and parts in other groove; Decontrol the side that folding holds trough of belt, it can restore to the original state.
Therefore, the present invention have use more flexibly, density of optic fibre is higher, can transmit electricity and can signal transmission, use safety, reliable, the Advantageous Effects such as to lay conveniently, maintenance cost is low.
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. slotted core cable, include skeleton, be positioned at the reinforcement of skeleton central authorities, by the protective seam that skeleton integral coating is lived, extrusion molding is coated on the restrictive coating outside protective seam, skeleton is distributed with multiple rectangular framework groove, plurality of ribbons is placed with in each rectangular framework groove, in every root fibre ribbon, there are many ribbon fibers, it is characterized in that the both sides of described each rectangular framework groove have side channel, side channel in each rectangular framework groove is connected with each rectangular framework groove, there is in side channel power transmission unit or signal transmission unit, described each rectangular framework groove has a top end opening, and the appearance trough of belt of side slot openings can be stopped, fibre ribbon is arranged in and holds trough of belt, the material of described skeleton is Low Density Polyethylene or Low Density Polyethylene or high density polyethylene or Polyvinylchloride or low-smoke non-halogen flame-retardant tygon or with parts by weight, comprises following raw material: linear low density polyethylene 10 ~ 25 parts, optical cable polypropylene 60 ~ 75 parts, trioctyl trimellitate 3 ~ 5 parts, naphthylamines 1 ~ 2 part, Tissuemat E 1 ~ 2 part, titanium dioxide 5 ~ 8 parts.
2. slotted core cable according to claim 1, is characterized in that described signal transmission unit is made up of Loose tube and many loose shape optical fiber being arranged in Loose tube; The material of described Loose tube is modified polypropene or polybutylene terephthalate.
3. slotted core cable according to claim 2, is characterized in that described loose shape optical fiber is 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 A1d type or OM1 type or OM2 type or OM3 type.
4. slotted core cable according to claim 1, is characterized in that described power transmission unit is made up of conductor and the insulation course that enveloped by conductor; The material of described insulation course is Low Density Polyethylene or Low Density Polyethylene or high density polyethylene or Polyvinylchloride or low-smoke non-halogen flame-retardant tygon.
5. the slotted core cable according to claim 1 to claim 4 any one, is characterized in that described ribbon fiber is 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 A1d type or OM1 type or OM2 type or OM3 type.
6. slotted core cable according to claim 5, is characterized in that the material of described reinforcement is steel wire or glass fiber reinforced plastics or aramid yarn or steel strand wires.
7. slotted core cable according to claim 6, is characterized in that the material of described conductor is copper or aluminium or alloy.
8. slotted core cable according to claim 7, is characterized in that the material of described restrictive coating is low-smoke non-halogen flame-retardant tygon or medium density polyethylene or high density polyethylene or Polyvinylchloride; Described fibre ribbon is 4 fibre ribbons types or 6 fibre ribbons types or 8 fibre ribbons types or 10 fibre ribbons types or 12 fibre ribbons types; The material of described protective seam is waterstop or aluminium strip or steel band or glass fiber reinforced plastics band; The material of described appearance trough of belt is plastics.
9. slotted core cable, is characterized in that its method for making comprises following steps:
The first step: make the step of Loose tube: get many good color G.652 type or G.653 type G.654 type or G.655 type G.656 type or G.657 type or A1a type or A1b type or A1c type or A1d type or OM1 type or OM2 type or OM3 type to fall apart shape optical fiber, the pin hole of leading fine pin that the head through secondary coated extruder is installed; Modified polypropene or polybutylene terephthalate are put into spiral shell thorax and extrudes, be drawn into tubulose; Loose shape optical fiber is penetrated in pipe, form initial Loose tube, with the speed quick traction of 100 ~ 300m/min also by the warm water tank of 30 ~ 48 DEG C, then by the cold rinse bank of 15 ~ 25 DEG C, again by the compressed air drying of initial Loose tube with 0.1 ~ 0.3bar, obtain finished product Loose tube; Wherein, the time of initial Loose tube in warm water tank is 1 ~ 3s, and the time of initial Loose tube in cold rinse bank is 10 ~ 20s; Repeated multiple times, obtain many finished product Loose tube, any two Loose tube have different colors;
Second step: make the step of skeleton: get steel wire or glass fiber reinforced plastics or aramid yarn or steel strand wires as reinforcement, by Low Density Polyethylene or Low Density Polyethylene or high density polyethylene or Polyvinylchloride or low-smoke non-halogen flame-retardant tygon or with parts by weight, comprise following raw material: linear low density polyethylene 10 ~ 25 parts, optical cable polypropylene 60 ~ 75 parts, trioctyl trimellitate 3 ~ 5 parts, naphthylamines 1 ~ 2 part, Tissuemat E 1 ~ 2 part, the potpourri extrusion molding of titanium dioxide 5 ~ 8 parts is coated on reinforcement and forms skeleton, make multiple rectangular framework groove that skeleton distributes, the both sides of each rectangular framework groove form the side channel be connected with each rectangular framework groove,
3rd step: the step making protective seam: get and there is a top end opening, size is less than the appearance trough of belt of skeleton grooves, the skeleton formed in second step, plurality of ribbons, the finished product Loose tube formed in the first step, raw material waterstop or aluminium strip or steel band or glass fiber reinforced plastics band, the finished product Loose tube formed in the first step is put into side channel, then appearance trough of belt is put into rectangular framework groove, appearance trough of belt is made to stop side slot openings, plurality of ribbons is put into and holds trough of belt, waterstop or aluminium strip or steel band or glass fiber reinforced plastics band integral coating are lived skeleton, complete the making of protective seam, the material of described appearance trough of belt is plastics, described fibre ribbon is 4 fibre ribbons types or 6 fibre ribbons types or 8 fibre ribbons types or 10 fibre ribbons types or 12 fibre ribbons types, and described fibre ribbon is inner by 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 A1d type or OM1 type or OM2 type or OM3 type ribbon fiber are formed,
4th step: make the step of restrictive coating: get low-smoke non-halogen flame-retardant tygon or medium density polyethylene or high density polyethylene or Polyvinylchloride extrusion molding and be coated on outside protective seam that the 3rd step formed and form restrictive coating, complete the making of slotted core cable.
10. slotted core cable, is characterized in that its method for making comprises following steps:
The first step: make the step of skeleton: get steel wire or glass fiber reinforced plastics or aramid yarn or steel strand wires as reinforcement, by Low Density Polyethylene or Low Density Polyethylene or high density polyethylene or Polyvinylchloride or low-smoke non-halogen flame-retardant tygon or with parts by weight, comprise following raw material: linear low density polyethylene 10 ~ 25 parts, optical cable polypropylene 60 ~ 75 parts, trioctyl trimellitate 3 ~ 5 parts, naphthylamines 1 ~ 2 part, Tissuemat E 1 ~ 2 part, the potpourri extrusion molding of titanium dioxide 5 ~ 8 parts is coated on reinforcement and forms skeleton, make multiple rectangular framework groove that skeleton distributes, the both sides of each rectangular framework groove form the side channel be connected with each rectangular framework groove,
Second step: the step making power transmission unit: get copper wire or aluminium wire or B alloy wire as conductor, Low Density Polyethylene or Low Density Polyethylene or high density polyethylene or Polyvinylchloride or low-smoke non-halogen flame-retardant tygon extrusion molding are coated on conductor and form insulation course outward, complete the making of power transmission unit;
3rd step: the step making protective seam: get and there is a top end opening, size is less than the appearance trough of belt of skeleton grooves, the skeleton formed in the first step, plurality of ribbons, the power transmission unit formed in second step, raw material waterstop or aluminium strip or steel band or glass fiber reinforced plastics band, the power transmission unit formed in second step is put into side channel, then appearance trough of belt is put into rectangular framework groove, appearance trough of belt is made to stop side slot openings, plurality of ribbons is put into and holds trough of belt, waterstop or aluminium strip or steel band or glass fiber reinforced plastics band integral coating are lived skeleton, complete the making of protective seam, the material of described appearance trough of belt is plastics, described fibre ribbon is 4 fibre ribbons types or 6 fibre ribbons types or 8 fibre ribbons types or 10 fibre ribbons types or 12 fibre ribbons types, and described fibre ribbon is inner by 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 A1d type or OM1 type or OM2 type or OM3 type ribbon fiber are formed,
4th step: make the step of restrictive coating: get low-smoke non-halogen flame-retardant tygon or medium density polyethylene or high density polyethylene or Polyvinylchloride extrusion molding and be coated on outside protective seam that the 3rd step formed and form restrictive coating, complete the making of slotted core cable.
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CN106653186A (en) * 2017-02-15 2017-05-10 常熟共益信息科技有限公司 Secondary-color cable or secondary-color optical cable
CN107015330A (en) * 2017-05-17 2017-08-04 富通住电特种光缆（天津）有限公司 A kind of skeleton photoelectric mixed cable and its manufacture method
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US10422965B2 (en) 2018-01-26 2019-09-24 Steve Cheng Fiber optic connector
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CN111830653A (en) * 2020-08-31 2020-10-27 常熟高通智能装备有限公司 Optical cable of special-shaped filling rope
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CN114300192B (en) * 2021-11-25 2023-11-03 通鼎互联信息股份有限公司 Low-crosstalk framework type photoelectric hybrid cable

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