CN105511036B - A kind of non-metallic layer stranded cables - Google Patents

A kind of non-metallic layer stranded cables Download PDF

Info

Publication number
CN105511036B
CN105511036B CN201610059211.1A CN201610059211A CN105511036B CN 105511036 B CN105511036 B CN 105511036B CN 201610059211 A CN201610059211 A CN 201610059211A CN 105511036 B CN105511036 B CN 105511036B
Authority
CN
China
Prior art keywords
metallic
coating
optical fiber
protective layer
increase
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201610059211.1A
Other languages
Chinese (zh)
Other versions
CN105511036A (en
Inventor
张志斌
刘勇
潘锦华
陈萃红
梁赐禾
王辅东
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.)
Shenzhen SDG Information Co Ltd
Original Assignee
Shenzhen SDG Information Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen SDG Information Co Ltd filed Critical Shenzhen SDG Information Co Ltd
Priority to CN201610059211.1A priority Critical patent/CN105511036B/en
Publication of CN105511036A publication Critical patent/CN105511036A/en
Application granted granted Critical
Publication of CN105511036B publication Critical patent/CN105511036B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/443Protective covering
    • G02B6/4432Protective covering with fibre reinforcements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/443Protective covering
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/443Protective covering
    • G02B6/4432Protective covering with fibre reinforcements
    • G02B6/4433Double reinforcement laying in straight line with optical transmission element
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/4434Central member to take up tensile loads

Abstract

The invention belongs to technical field of cables; it is related to a kind of non-metallic layer stranded cables, includes positioned at the center reinforcemen in optical cable center, the Loose tube for being twisted except centrally disposed reinforcer with one-way or bi-directional spiral and including more optical fibers, protective layer that Loose tube is enveloped and the restrictive coating except protective layer;It is characterized in that having non-metallic between the protective layer and restrictive coating, non-metallic increases part by coating, more and constitutes;Or non-metallic by coating, in coating and it is arranged in parallel and be not in contact with each other and axis be generally aligned in the same plane in multiple reinforcement holes and more increase parts constitute, in each reinforcement hole have one increase part;The invention also discloses its production methods.The present invention has following main advantageous effect:Speed of production is faster, more easy to produce, product qualified rate higher, cost is lower, equipment investment is less, and the versatility of non-metallic is stronger.

Description

A kind of non-metallic layer stranded cables
The application is entitled:A kind of non-metallic optical fiber cables and preparation method thereof, the applying date be:On 06 26th, 2014, Shen Please number be:201410293929.8 patent of invention divisional application.
Technical field
The invention belongs to technical field of cables, more particularly, to a kind of non-metallic layer stranded cables and preparation method thereof.
Background technology
Non-metallic optical fiber cables due to its not metal-containing material, it is light-weight, not by thunder and lightning interference, construction in or work in do not need Ground connection, therefore, receives the favor of user;However, existing non-metallic optical fiber cables are in order to reach the requirement of tensile resistence, generally use Aramid yarn is realized as surrounding reinforcer, since aramid yarn is more expensive, is known as the saying of " soft gold ", therefore this mode increases The cost of optical cable is added.For this purpose, domestic made a large amount of research and applied in optical cable for the substitute of aramid fiber reinforcer. Such as:It is Publication No. CN102023359A, entitled:A kind of Chinese patent of all dielectric central tube type optical cable, including central tube, light Fine unit, optical fiber ointment, enhancement layer and oversheath, fiber unit be set to central tube in, optical fiber ointment be filled in fiber unit with In gap between central tube, oversheath is coated on the outside of central tube, and enhancement layer is set between central tube and oversheath, special Sign is:The enhancement layer is fiberglass reinforced plastics band or glass fiber yarn;Further include that at least a pair is made of dielectric material Reinforcer, reinforcer along fiber unit length direction be set to oversheath in;Due to adding in its fiberglass reinforced plastics band Strong part is single, is very unlikely to that brake forming, product qualified rate be extremely low and the anti-torsion and bending resistance of optical cable in production Can be very poor, Industry code requirements are not achieved.
It is Publication No. CN102590967A, entitled:In a kind of patent of leading in cable, realized using more intensive aspects Withdrawing performance is reinforced and improved to pulling force, is suitable for minor diameter optical cable.
It is Publication No. CN102662220A, entitled:A kind of China for the Full-dry optical cable and manufacturing method that pine jacket layer twists The Full-dry optical cable that patent, wherein this pine jacket layer twist, including:Cable core, the sheath for being set in cable core outer surface are equipped in the cable core The Loose tube for wrapping up optical fiber, is equipped with two-sided waterstop between the cable core and sheath, the two-sided waterstop outer surface spiral is wrapped There are glass fiber yarn or aramid yarn, tear rope is equipped on the inside of the glass fiber yarn or aramid yarn;Water blocking yarn is equipped in the Loose tube, It is provided with water blocking yarn in the gap of the Loose tube and cable core.Full-dry optical cable uses the dry type material water-proof material of lighter in weight, makes The weight of optical cable is mitigated significantly.Meanwhile using the material water-proof material of dry type after, construction personnel only needs can be very with scissors Soon and very easily optical fiber is taken out and carry out welding, accelerate construction speed, decreases the use of cleaning consumables.Separately Outside, the intensity of optical cable is strengthened in the wrapped glass fiber yarn of two-sided waterstop outer surface spiral or aramid yarn;It is also to use The mode of aramid yarn or glass fiber yarn is realized, and is spiral is wrapped, and cost is higher, and needs complicated lapping equipment.
Invention content
To solve the above-mentioned problems, it the purpose of the present invention is disclosing a kind of non-metallic layer stranded cables, further discloses Its production method, they are realized using following technical scheme.
In 1st embodiment of the invention, a kind of non-metallic optical fiber cables, include positioned at optical cable center center reinforcemen, with One-way or bi-directional spiral is twisted except centrally disposed reinforcer and includes the Loose tube of more optical fibers, positioned at adjacent pine Outer gasket for packing in the external series gap of casing, the protective layer that outer gasket for packing and Loose tube are enveloped and except protective layer Restrictive coating;It is characterized in that have between the protective layer and restrictive coating by the closed non-metallic of protective layer, non-metallic by Coating, in coating and it is arranged in parallel and be not in contact with each other and axis be generally aligned in the same plane in more increase part structures At;Or non-metallic by coating, in coating and it is arranged in parallel and be not in contact with each other and axis be located at it is same flat Multiple reinforcement holes and more increase parts in face are constituted, and have an increase part in each reinforcement hole.
In 2nd embodiment of the invention, a kind of non-metallic layer stranded cables include to reinforce positioned at the center in optical cable center Part, the Loose tube for being twisted except centrally disposed reinforcer with one-way or bi-directional spiral and including more optical fibers cover pine The protective layer that pipe envelopes and the restrictive coating except protective layer;It is characterized in that having between the protective layer and restrictive coating Have the closed non-metallic of protective layer, non-metallic by coating, it is in coating and arranged in parallel and do not connect mutually It touches and axis is generally aligned in the same plane interior more and increases parts composition;Or non-metallic by coating, be located at coating in and phase Mutually be arranged in parallel and be not in contact with each other and axis be generally aligned in the same plane in multiple reinforcement holes and more increase parts constitute, each There is an increase part in reinforcement hole.
In 3rd embodiment of the invention, a kind of non-metallic optical fiber cables, include positioned at optical cable center center reinforcemen, with One-way or bi-directional spiral is twisted except centrally disposed reinforcer and includes the Loose tube of plurality of ribbons, positioned at adjacent pine set Outer gasket for packing in the external series gap of pipe, the protective layer that outer gasket for packing and Loose tube are enveloped and the shield except protective layer Jacket layer has more optical fibers in every fibre ribbon;It is characterized in that having sheath between the protective layer and restrictive coating And non-metallic, sheath extrusion molding are coated on except protective layer, non-metallic is between sheath and restrictive coating and by interior shield Layer closing, non-metallic by coating, in coating and it is arranged in parallel and be not in contact with each other and axis be located at it is same flat More in face increase part and constitute;Or non-metallic by coating, it is in coating and arranged in parallel and do not connect mutually It touches and axis is generally aligned in the same plane interior multiple reinforcement holes and more increase parts and constitute, there is one in each reinforcement hole Increase part.
In 4th embodiment of the invention, a kind of non-metallic optical fiber cables, include positioned at optical cable center center reinforcemen, with One-way or bi-directional spiral is twisted except centrally disposed reinforcer and includes the Loose tube of more optical fibers, positioned at adjacent pine Outer gasket for packing in the external series gap of casing, the protective layer that outer gasket for packing and Loose tube are enveloped and except protective layer Restrictive coating;It is characterized in that having sheath, non-metallic and transition zone, sheath extrusion molding between the protective layer and restrictive coating It is coated on except protective layer, non-metallic is located at except sheath and closes sheath, and transition zone is located at non-metallic and shield Between jacket layer, non-metallic by coating, in coating and it is arranged in parallel and be not in contact with each other and axis be located at it is same More in plane increase part and constitute;Or non-metallic by coating, be located at coating in and it is arranged in parallel and mutually not Contact and axis are generally aligned in the same plane interior multiple reinforcement holes and more increase parts and constitute, and have one in each reinforcement hole Root increases part.
In 5th embodiment of the invention, a kind of non-metallic optical fiber cables, include positioned at optical cable center center reinforcemen, with One-way or bi-directional spiral is twisted except centrally disposed reinforcer and includes the Loose tube of more optical fibers, coats Loose tube Protective layer firmly and the restrictive coating except protective layer;It is characterized in that having interior shield between the protective layer and restrictive coating Layer, non-metallic and transition zone, sheath extrusion molding are coated on except protective layer, and non-metallic is located at except sheath and by interior shield Layer closing, transition zone is between non-metallic and restrictive coating, and non-metallic is by coating, in coating and be mutually parallel Be arranged and be not in contact with each other and axis be generally aligned in the same plane in more increase parts constitute;Or non-metallic by coating, be located at In coating and it is arranged in parallel and be not in contact with each other and axis be generally aligned in the same plane in multiple reinforcement holes and more increase Part is constituted, and has an increase part in each reinforcement hole.
In 6th embodiment of the invention, a kind of non-metallic optical fiber cables, include positioned at optical cable center center reinforcemen, with One-way or bi-directional spiral is twisted except centrally disposed reinforcer and includes the Loose tube of plurality of ribbons, positioned at adjacent pine set Outer gasket for packing in the external series gap of pipe, the protective layer that outer gasket for packing and Loose tube are enveloped and the shield except protective layer Jacket layer has more optical fibers in every fibre ribbon;It is characterized in that between the protective layer and restrictive coating have sheath, Non-metallic and transition zone, sheath extrusion molding are coated on except protective layer, and non-metallic is located at except sheath and by sheath Closing, transition zone is between non-metallic and restrictive coating, and non-metallic is by coating, in coating and be mutually parallel and set Set and be not in contact with each other and axis be generally aligned in the same plane in more increase parts constitute;Or non-metallic by coating, be located at quilt In coating and it is arranged in parallel and be not in contact with each other and axis be generally aligned in the same plane in multiple reinforcement holes and more increase parts It constitutes, there is an increase part in each reinforcement hole.
In 7th embodiment of the invention, a kind of non-metallic optical fiber cables, substantially with embodiment 6, the difference is that restrictive coating Outer extrusion molding is coated with external protection.
Therefore, the present invention has following main advantageous effect:Speed of production faster, more easy to produce, product qualified rate higher, Cost is lower, equipment investment is less, and the versatility of non-metallic is stronger.
Description of the drawings
Fig. 1 is one section of dimensional structure diagram of the increase part in the non-metallic used in the present invention.
Fig. 2 is that the non-metallic removal used in the present invention increases by one section of dimensional structure diagram after part.
Fig. 3 is one section of dimensional structure diagram of the non-metallic used in the present invention.
Fig. 4 is one section of dimensional structure diagram of embodiment 1 of the present invention.
Fig. 5 is the cross-sectional structure schematic diagram of Fig. 4 amplifications.
Fig. 6 is one section of dimensional structure diagram of embodiment 2 of the present invention.
Fig. 7 is the cross-sectional structure schematic diagram of Fig. 6 amplifications.
Fig. 8 is one section of dimensional structure diagram of embodiment 3 of the present invention.
Fig. 9 is the cross-sectional structure schematic diagram of Fig. 8 amplifications.
Figure 10 is the cross-sectional structure schematic diagram of embodiment 4 of the present invention.
Figure 11 is the cross-sectional structure schematic diagram of embodiment 5 of the present invention.
Figure 12 is the cross-sectional structure schematic diagram of embodiment 6 of the present invention.
Figure 13 is the cross-sectional structure schematic diagram of embodiment 7 of the present invention.
Specific implementation mode
Embodiment 1
See Fig. 1 to Fig. 5, a kind of non-metallic optical fiber cables, include positioned at the center reinforcemen 4 in optical cable center, with unidirectional or Bidirectional screw is twisted except centrally disposed reinforcer and includes 4 Loose tubes 3 of 12 optical fibers 2, positioned at adjacent pine Outer gasket for packing 5 in the external series gap of casing, the protective layer 6 that outer gasket for packing and Loose tube are enveloped and except protective layer Restrictive coating 7;It is characterized in that have between the protective layer and restrictive coating by the closed non-metallic 1 of protective layer, it is nonmetallic Band by coating 13, in coating and it is arranged in parallel and be not in contact with each other and axis be generally aligned in the same plane in 8 increasing Part 11 is added to constitute;Or non-metallic by coating 13, it is in coating and arranged in parallel and be not in contact with each other and axis Multiple reinforcement holes 12 and more increase parts 11 in being generally aligned in the same plane are constituted, and have an increase in each reinforcement hole Part.
A kind of non-metallic optical fiber cables described above, it is characterised in that the optical fiber in the Loose tube can also be other more Root, but at least there is one.
Visible reinforcement hole is 4 in Fig. 2, can be other multiple, when picture omits;Reinforcement in Fig. 3 It is 4, can is other more, when picture omits.
Embodiment 2
See Fig. 6 and Fig. 7, and referring to figs. 1 to Fig. 3, a kind of non-metallic layer stranded cables include positioned at optical cable center Center reinforcemen 4,6 pines for being twisted except centrally disposed reinforcer with one-way or bi-directional spiral and including 4 optical fibers 2 Casing 3, the protective layer 6 that Loose tube is enveloped and the restrictive coating 7 except protective layer;It is characterized in that the protective layer Have between restrictive coating by the closed non-metallic 1 of protective layer, non-metallic by coating 13, be located in coating and mutually Be arranged in parallel and be not in contact with each other and axis be generally aligned in the same plane in 8 increase parts 11 constitute;Or non-metallic is by coating 13, in coating and it is arranged in parallel and be not in contact with each other and axis be generally aligned in the same plane in multiple reinforcement holes 12, And more increase parts 11 are constituted, and have an increase part in each reinforcement hole.
A kind of non-metallic layer stranded cables described above, it is characterised in that the optical fiber in the Loose tube can also be Other more, but at least there is one.
Embodiment 3
See Fig. 8 and Fig. 9, and referring to figs. 1 to Fig. 3, a kind of non-metallic optical fiber cables include to add positioned at the center in optical cable center Strong part 4,3 Loose tubes 3 for being twisted except centrally disposed reinforcer with one-way or bi-directional spiral and including 4 fibre ribbons 21, Outer gasket for packing 5 in the external series gap of adjacent Loose tube, the protective layer 6 that outer gasket for packing and Loose tube are enveloped and position Restrictive coating 7 except protective layer has 4 optical fibers 2 in every fibre ribbon;It is characterized in that the protective layer and sheath There is sheath 8 and non-metallic 1 between layer, sheath extrusion molding is coated on except protective layer, non-metallic be located at sheath and Closed between restrictive coating and by sheath, non-metallic by coating 13, be located at coating in and it is arranged in parallel and mutually not Contact and axis are generally aligned in the same plane interior 12 and increase the composition of parts 11;Or non-metallic by coating 13, be located at coating In and it is arranged in parallel and be not in contact with each other and axis be generally aligned in the same plane in multiple reinforcement holes 12 and more increase parts 11 It constitutes, there is an increase part in each reinforcement hole.
A kind of non-metallic optical fiber cables described above, it is characterised in that the fibre ribbon in the Loose tube can also be other more Root, but at least there is one.
A kind of non-metallic optical fiber cables described above, it is characterised in that the optical fiber in the fibre ribbon can also be other more Root, but at least there is one.
Certainly, in this embodiment, gasket for packing can be free of as embodiment 2 completely.
Embodiment 4
See Figure 10, and referring to figs. 1 to Fig. 5, a kind of non-metallic optical fiber cables include the center reinforcemen positioned at optical cable center 4,4 Loose tubes 3, positions of 12 optical fibers 2 are twisted except centrally disposed reinforcer and included with one-way or bi-directional spiral Outer gasket for packing 5 in the external series gap of adjacent Loose tube by protective layer 6 that outer gasket for packing and Loose tube envelope and is located at Restrictive coating 7 except protective layer;It is characterized in that having sheath 8, non-metallic 1 and mistake between the protective layer and restrictive coating Layer 9 is crossed, sheath extrusion molding is coated on except protective layer, and non-metallic is located at except sheath and closes sheath, transition zone Between non-metallic and restrictive coating, non-metallic by coating 13, be located at coating in and it is arranged in parallel and mutually not Contact and axis are generally aligned in the same plane interior 8 and increase the composition of parts 11;Or non-metallic by coating 13, be located at coating in And it is arranged in parallel and be not in contact with each other and axis be generally aligned in the same plane in multiple reinforcement holes 12 and more increase by 11 structures of part At with an increase part in each reinforcement hole.
A kind of non-metallic optical fiber cables described above, it is characterised in that the optical fiber in the Loose tube can also be other more Root, but at least there is one.
Embodiment 5
Include positioned at optical cable center see Figure 11, and referring to figs. 1 to Fig. 3 and Fig. 6 and Fig. 7, a kind of non-metallic optical fiber cables Center reinforcemen 4,6 pines for being twisted except centrally disposed reinforcer with one-way or bi-directional spiral and including 4 optical fibers 2 Casing 3, the protective layer 6 that Loose tube is enveloped and the restrictive coating 7 except protective layer;It is characterized in that the protective layer There is sheath 8, non-metallic 1 and transition zone 9 between restrictive coating, sheath extrusion molding is coated on except protective layer, nonmetallic Band is located at except sheath and closes sheath, and transition zone is between non-metallic and restrictive coating, and non-metallic is by coating Layer 13, in coating and it is arranged in parallel and be not in contact with each other and axis be generally aligned in the same plane in 8 increase by 11 structures of part At;Or non-metallic by coating 13, in coating and it is arranged in parallel and be not in contact with each other and axis be located at it is same Multiple reinforcement holes 12 and more increase parts 11 in plane are constituted, and have an increase part in each reinforcement hole.
A kind of non-metallic optical fiber cables described above, it is characterised in that the optical fiber in the Loose tube can also be other more Root, but at least there is one.
A kind of non-metallic optical fiber cables described above, it is characterised in that the increase part can also be other more.
Embodiment 6
Include positioned at optical cable center see Figure 12, and referring to figs. 1 to Fig. 3 and Fig. 8 and Fig. 9, a kind of non-metallic optical fiber cables Center reinforcemen 4,3 pines for being twisted except centrally disposed reinforcer with one-way or bi-directional spiral and including 4 fibre ribbons 21 Casing 3, the outer gasket for packing 5 in the external series gap of adjacent Loose tube, the protective layer for enveloping outer gasket for packing and Loose tube 6 and the restrictive coating 7 except protective layer, there are 4 optical fibers 2 in every fibre ribbon;It is characterized in that the protective layer There is sheath 8, non-metallic 1 and transition zone 9 between restrictive coating, sheath extrusion molding is coated on except protective layer, nonmetallic Band is located at except sheath and closes sheath, and transition zone is between non-metallic and restrictive coating, and non-metallic is by coating Layer 13, in coating and it is arranged in parallel and be not in contact with each other and axis be generally aligned in the same plane in 12 increase by 11 structures of part At;Or non-metallic by coating 13, in coating and it is arranged in parallel and be not in contact with each other and axis be located at it is same Multiple reinforcement holes 12 and more increase parts 11 in plane are constituted, and have an increase part in each reinforcement hole.
A kind of non-metallic optical fiber cables described above, it is characterised in that the fibre ribbon in the Loose tube can also be other more Root, but at least there is one.
A kind of non-metallic optical fiber cables described above, it is characterised in that the optical fiber in the fibre ribbon can also be other more Root, but at least there is one.
Embodiment 7
See Figure 13, and referring to figs. 1 to Fig. 3 and Fig. 8 and Fig. 9 and Figure 12, a kind of non-metallic optical fiber cables, substantially same embodiment 6, the difference is that:The outer extrusion molding of restrictive coating is coated with external protection 91.
The material of the external protection is preferably nylon rodent-proof material, model such as NL12, NL6, i.e. nylon 12, nylon 6 Deng.
Following non-metallic optical fiber cables, are equally applicable to non-metallic layer stranded cables.
A kind of non-metallic optical fiber cables described in any of the above-described embodiment, it is characterised in that the increase part can also be other More.
A kind of non-metallic optical fiber cables described in any of the above-described embodiment, it is characterised in that in the Loose tube, at least one There is root to be replaced by solid packing elements, and packing elements are identical as the diameter of Loose tube.
A kind of non-metallic optical fiber cables described in any of the above-described embodiment, it is characterised in that the diameter of the Loose tube is one Sample.
A kind of non-metallic optical fiber cables described in any of the above-described embodiment, it is characterised in that the material of the center reinforcemen Increase plastic bar for glass fibre.
A kind of non-metallic optical fiber cables described in any of the above-described embodiment, it is characterised in that the G.652 optical fiber is Optical fiber or G.653 optical fiber or G.654 optical fiber or G.655 optical fiber or G.657 optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber or Energy transmission optical fibre.
A kind of non-metallic optical fiber cables described in any of the above-described embodiment, it is characterised in that the material of the Loose tube is poly- Mutual-phenenyl two acid bromide two alcohol ester or modified polypropene.
A kind of non-metallic optical fiber cables described in any of the above-described embodiment, it is characterised in that the material of the outer gasket for packing is Polyethylene or polypropylene.
A kind of non-metallic optical fiber cables described in any of the above-described embodiment, it is characterised in that the material of the protective layer is poly- Ester band or waterstop or non-woven fabrics.
A kind of non-metallic optical fiber cables described in any of the above-described embodiment, it is characterised in that the material of the restrictive coating is low Density polyethylene or medium density polyethylene or high density polyethylene (HDPE) or flame-proof polyethylene or low smoke and zero halogen polyethylene.
A kind of non-metallic optical fiber cables described in any of the above-described embodiment, it is characterised in that the material of the sheath is low Density polyethylene or medium density polyethylene or high density polyethylene (HDPE) or flame-proof polyethylene or low smoke and zero halogen polyethylene.
In a kind of non-metallic optical fiber cables described in above-mentioned embodiment 4 to embodiment 6, it is characterised in that the transition zone Material is polyester belt or waterstop, and the thickness of transition zone is 0.1~0.5mm;Transition zone have it is excellent block water, waterproof action, Can be effectively protected optical fiber from or slow down hydrionic erosion in water, making optical fiber, the service life is longer.
A kind of non-metallic optical fiber cables described in any of the above-described embodiment, it is characterised in that the Loose tube preferably with Center reinforcemen is tangent;When having outer gasket for packing, outer gasket for packing is preferably tangent with adjacent Loose tube and protective layer; Yarn etc. can be pricked outside Loose tube by yarn substance such as polyester to wrap up more Loose tubes, keep its structure more stable;When having When outer gasket for packing, yarn etc. can be pricked by yarn substance such as polyester and wrap up more Loose tubes, outer gasket for packing together, make its knot Structure is more stable.
A kind of non-metallic optical fiber cables described in any of the above-described embodiment, it is characterised in that preferably grow in the reinforcement hole Cube shape as long as reinforcement can be accommodated, and not have excessive gap it is of course also possible to be other shapes between reinforcement.
A kind of non-metallic optical fiber cables described in any of the above-described embodiment, it is characterised in that in the gap of the Loose tube also The substance that blocks water of such as greasy for preventing water, water-proofing powder, water blocking yarn class can be filled.
A kind of non-metallic optical fiber cables described in any of the above-described embodiment, it is characterised in that the gap within the protective layer In can also fill the substance that blocks water of such as greasy for preventing water, water-proofing powder, water blocking yarn class;Tearing for stripping fiber optic cables can also be placed Split rope.
A kind of non-metallic optical fiber cables described in any of the above-described embodiment, it is characterised in that the material of the coating is low Density polyethylene or medium density polyethylene or high density polyethylene (HDPE) or flame-proof polyethylene or low smoke and zero halogen polyethylene;The material of coating Expect that the material with sheath is identical;When not having external protection, the material of coating and the material of restrictive coating are identical.
A kind of non-metallic optical fiber cables described in any of the above-described embodiment, it is characterised in that the increase part is by weight Meter, including following raw material:20~30 parts of polyvinyl resin, 8~15 parts of acrylic resin, model JF-31 or JF-33 or JF- 30~50 parts of 35 or JF-C superhigh molecular weight polyethylene fibers, length be 0.01mm~1.2mm 20~40 parts of glass fiber yarn, 5~10 parts of EVA hot-melt adhesive;It is known as regular convention formula in the following description.
The increase part by weight, including the performance that can be optimal by test when following raw material:Polyethylene tree 25 parts of fat, 11 parts of acrylic resin, model JF-31 or JF-33 or JF-35 or JF-C superhigh molecular weight polyethylene fibers 40 Part, length are 30 parts of the glass fiber yarn of 0.01mm~1.2mm, 8 parts of EVA hot-melt adhesive;It is known as optimal match in the following description Side.
Model JF-31 or JF-33 or JF-35 or JF-C superhigh molecular weight polyethylene fibers described above, are commercially available productions Product, from Jiangsu clanging or clanking sound Nima new material Co., Ltd etc. it is other from be commercially available.
Non-metallic in the present invention is obtained by the following method:Each raw material for increasing part is first weighed by weight; Then will each raw material that increase part be added kneading machine in be heated to 180~250 DEG C be mixed and stirred for uniformly obtaining it is sticky Mixture;The shape for the increase part for being extruded into needs is added in extruding machine in sticky mixture again and fixed but sizing is increased Part;Then the enhancing hole for increasing the mold that part passes through on extrusion head by more, by the low density polyethylene (LDPE) of melting or middle density Polyethylene or high density polyethylene (HDPE) or flame-proof polyethylene or low smoke and zero halogen polyethylene are coated on more enhancings by way of extrusion molding Coating is formed on part, that is, forms non-metallic.
Certainly, the non-metallic in the present invention can also be obtained by the following method:First increase is weighed by weight Each raw material of part;Then 180~250 DEG C will be heated in each raw material for increasing part addition kneading machine be mixed and stirred for uniformly Obtain sticky mixture;The shape for the increase part for being extruded into needs is added in extruding machine in sticky mixture again and determines but to shape It obtains increasing part;By the low density polyethylene (LDPE) of melting or medium density polyethylene or high density polyethylene (HDPE) or flame-proof polyethylene or low cigarette Halogen-free polyvinyl extrusion molding and is cooled into coating and reinforcement hole by way of extrusion molding, has on the mold on extrusion head Multiple parallel enhancing holes, in enhancing hole is not in contact with each other and axis is generally aligned in the same plane;Part merging will be increased when producing optical cable In reinforcement hole.
Non-metallic in the present invention obtains following data by test:
Using the optical cable of the embodiment 1-7 of above-mentioned non-metallic production, ideal tension force value is all reached, has not needed The twisted equipment of aramid yarn or glass fiber yarn, optical cable it is flexible and produce optical cable product qualified rate reach 99.85%, optical cable By alternating bending, torsion test, it is attained by country and the professional standard of optical cable industry, the cost of optical cable is opposite to use aramid fiber Yarn or glass fiber yarn reduce by 25% or so as the optical cable of outer reinforcement, and speed of production accelerates 50% or more, therefore, this Invention has apparent advantageous effect.
A kind of production method of non-metallic optical fiber cables, it is characterised in that comprise the steps of:
The first step:The step of forming cable core:Cable core includes that cable core body either includes cable core body and is coated on by extrusion molding The external sheath of cable core;Center reinforcemen, more Loose tubes for including more optical fibers, more outer gasket for packings are taken, it will be more Root Loose tube is placed in parallel except center reinforcemen or is twisted around center reinforcemen in a manner of one-way spiral or bidirectional screw, More outer gasket for packings are placed in the external series gap of adjacent Loose tube, are protected in more Loose tubes and more outer gasket for packing outer claddings Sheath forms cable core body;Or more Loose tubes for taking center reinforcemen, including more optical fibers, more Loose tubes are parallel It is centrally disposed except reinforcer or is twisted around center reinforcemen in a manner of one-way spiral or bidirectional screw, in more Loose tubes Outer cladding protective layer forms cable core body;Or take center reinforcemen, more Loose tubes for including plurality of ribbons, more fillings outside More Loose tubes are placed in parallel except center reinforcemen or are reinforced around center in a manner of one-way spiral or bidirectional screw by rope Part is twisted, more outer gasket for packings is placed in the external series gap of adjacent Loose tube, in more Loose tubes and more outer gasket for packings Outer cladding protective layer forms cable core body, includes more optical fibers in every fibre ribbon;Or it takes center reinforcemen, include more More Loose tubes of fibre ribbon, more Loose tubes are placed in parallel except center reinforcemen or with one-way spiral or bidirectional screw Mode it is twisted around center reinforcemen, cable core bodies are formed in more Loose tube outer cladding protective layers, comprising more in every fibre ribbon Root optical fiber;
Second step:Coat the step of non-metallic forms semi-finished product:Negated metal tape is by way of longitudinally coating It is coated outside cable core described in one step and makes to be closed to form semi-finished product outside cable core, the non-metallic is by coating, position In coating and it is arranged in parallel and be not in contact with each other and axis be generally aligned in the same plane in more increase parts constitute;Or it takes Negated metal tape is coated outside the cable core by way of longitudinally coating described in the first step and makes to be closed shape outside cable core At semi-finished product, the non-metallic by coating, it is in coating and arranged in parallel and be not in contact with each other and axis is located at Multiple reinforcement holes in same plane, and take more to increase in part merging reinforcement hole, only merging one in each reinforcement hole Root increases part, when that will increase part merging reinforcement hole, the temperature of coating is made to be maintained in the range of 50~80 DEG C;
Third walks:The step of forming finished cable:Semi-finished product in second step are passed through into the mold core hole of extruding machine and half Upper jacket layer, which is extruded, outside finished product forms finished cable;Or by the semi-finished product in second step pass through extruding machine mold core hole and Transition zone is extruded outside semi-finished product, then extrudes restrictive coating on transition zone and forms finished cable;Or by half in second step Finished product passes through the mold core hole of extruding machine and extrudes upper transition zone outside semi-finished product, then external protection is extruded on transition zone, then Restrictive coating is extruded on external protection forms finished cable;
Wherein, the material of the external protection is nylon rodent-proof material, and the material of center reinforcemen increases for glass fibre Plastic bar, optical fiber are G.652 optical fiber or G.653 optical fiber or G.654 optical fiber or G.655 optical fiber or G.657 optical fiber or OM1 light The material of fine or OM2 optical fiber or OM3 optical fiber or energy transmission optical fibre, Loose tube is polybutylene terephthalate (PBT) or is modified poly- The material of propylene, outer gasket for packing is polyethylene or polypropylene, and the material of protective layer is polyester belt or waterstop or non-woven fabrics, sheath The material of layer is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or flame-proof polyethylene or the poly- second of low smoke and zero halogen Alkene, the material of sheath be low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or flame-proof polyethylene or low cigarette without The material of halogen polyethylene, transition zone is polyester belt or waterstop, and the thickness of transition zone is 0.1~0.5mm;Increase part by weight Meter, including following raw material:20~30 parts of polyvinyl resin, 8~15 parts of acrylic resin, model JF-31 or JF-33 or JF- 30~50 parts of 35 or JF-C superhigh molecular weight polyethylene fibers, length be 0.01mm~1.2mm 20~40 parts of glass fiber yarn, 5~10 parts of EVA hot-melt adhesive.
In the present invention, protective layer and sheath, which have primarily served, to block water and the effect of protecting against shock;Sheath separately also acts The effect of adjusting due to its length, width, is highly to determine the non-metallic produced, for tool The optical cable for having different protective layer diameters, needs different non-metallics, and is provided with sheath, since its thickness can spirit It is living to adjust, it is therefore possible to use in addition wider non-metallic, need not purchase and customize.
Therefore, the present invention has following main advantageous effect:Speed of production faster, more easy to produce, product qualified rate higher, Cost is lower, equipment investment is less, and the versatility of non-metallic is stronger.
The present invention is not limited to above-mentioned preferred forms, it should be understood that design of the invention can be by other various shapes Formula is implemented to use, they also fall in protection scope of the present invention.

Claims (6)

1. a kind of non-metallic layer stranded cables include to be twisted positioned at the center reinforcemen in optical cable center, with one-way or bi-directional spiral Close except centrally disposed reinforcer and include the Loose tube of more optical fibers, the protective layer that Loose tube is enveloped and position Restrictive coating except protective layer;It is characterized in that having between the protective layer and restrictive coating protective layer is closed nonmetallic Band, non-metallic by coating, it is in coating and arranged in parallel and be not in contact with each other and in axis is generally aligned in the same plane More increase parts constitute;Or non-metallic by coating, in coating and it is arranged in parallel and be not in contact with each other and Axis is generally aligned in the same plane interior multiple reinforcement holes and more increase parts and constitute, and has an increase in each reinforcement hole Part;The increase part by weight, including following raw material:20~30 parts of polyvinyl resin, 8~15 parts of acrylic resin, type Number it is JF-31 or JF-33 or 30~50 parts of JF-35 or JF-C superhigh molecular weight polyethylene fibers, length are 0.01mm~1.2mm 20~40 parts of glass fiber yarn, 5~10 parts of EVA hot-melt adhesive.
2. a kind of non-metallic layer stranded cables according to claim 1, it is characterised in that the material of the center reinforcemen Increase plastic bar for glass fibre.
3. a kind of non-metallic layer stranded cables according to claim 1 or claim 2, it is characterised in that the light guide is fine Dimension for G.652 optical fiber or G.653 optical fiber or G.654 optical fiber G.655 optical fiber or G.657 optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber or energy transmission optical fibre.
4. a kind of non-metallic layer stranded cables according to claim 3, it is characterised in that the material of the Loose tube is poly- Mutual-phenenyl two acid bromide two alcohol ester or modified polypropene.
5. a kind of non-metallic layer stranded cables according to claim 4, it is characterised in that the material of the protective layer is poly- Ester band or waterstop or non-woven fabrics.
6. a kind of non-metallic layer stranded cables according to claim 5, it is characterised in that the material of the restrictive coating is low Density polyethylene or medium density polyethylene or high density polyethylene (HDPE) or flame-proof polyethylene or low smoke and zero halogen polyethylene.
CN201610059211.1A 2014-06-26 2014-06-26 A kind of non-metallic layer stranded cables Active CN105511036B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610059211.1A CN105511036B (en) 2014-06-26 2014-06-26 A kind of non-metallic layer stranded cables

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610059211.1A CN105511036B (en) 2014-06-26 2014-06-26 A kind of non-metallic layer stranded cables
CN201410293929.8A CN104020544B (en) 2014-06-26 2014-06-26 Non-metallic cable and manufacturing method thereof

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201410293929.8A Division CN104020544B (en) 2014-06-26 2014-06-26 Non-metallic cable and manufacturing method thereof

Publications (2)

Publication Number Publication Date
CN105511036A CN105511036A (en) 2016-04-20
CN105511036B true CN105511036B (en) 2018-08-31

Family

ID=51437395

Family Applications (5)

Application Number Title Priority Date Filing Date
CN201610059159.XA Active CN105467538B (en) 2014-06-26 2014-06-26 A kind of non-metallic optical fiber cables
CN201610059160.2A Active CN105467539B (en) 2014-06-26 2014-06-26 A kind of non-metallic layer tangles structure optical cable
CN201610059211.1A Active CN105511036B (en) 2014-06-26 2014-06-26 A kind of non-metallic layer stranded cables
CN201610060184.XA Active CN105467540B (en) 2014-06-26 2014-06-26 It is a kind of can lightning protection nonmetallic layer-twisted optical fiber ribbon cable
CN201410293929.8A Expired - Fee Related CN104020544B (en) 2014-06-26 2014-06-26 Non-metallic cable and manufacturing method thereof

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CN201610059159.XA Active CN105467538B (en) 2014-06-26 2014-06-26 A kind of non-metallic optical fiber cables
CN201610059160.2A Active CN105467539B (en) 2014-06-26 2014-06-26 A kind of non-metallic layer tangles structure optical cable

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN201610060184.XA Active CN105467540B (en) 2014-06-26 2014-06-26 It is a kind of can lightning protection nonmetallic layer-twisted optical fiber ribbon cable
CN201410293929.8A Expired - Fee Related CN104020544B (en) 2014-06-26 2014-06-26 Non-metallic cable and manufacturing method thereof

Country Status (1)

Country Link
CN (5) CN105467538B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104181660B (en) * 2014-09-15 2017-01-18 国网山东省电力公司莱芜供电公司 Manufacturing method of special-shaped optical fiber loose tube
CN104503059B (en) * 2014-12-27 2017-07-04 中兴安邦科技(天津)有限公司 Indoor optical fiber wiring gun
CN104698553A (en) * 2015-03-31 2015-06-10 南京烽火藤仓光通信有限公司 Flat color stripe optical cable with double beam tubes and mould and production method thereof
CN107024748B (en) * 2015-04-23 2019-04-05 江苏华脉光电科技有限公司 Layer-stranding cable and production method
CN104880789B (en) * 2015-05-29 2018-01-30 成都亨通光通信有限公司 The production and processing method of central tube type optical fiber ribbon cable
CN105629408B (en) * 2016-01-27 2018-08-17 江苏长城电缆有限公司 A kind of robot optical cable and its manufacturing method
CN107731397A (en) * 2017-02-15 2018-02-23 常熟共益信息科技有限公司 A kind of composite band for cable or optical cable
CN107527681A (en) * 2017-02-15 2017-12-29 王国涛 The cable or optical cable and its manufacture method that a kind of color is separated at intervals
CN107861212B (en) * 2017-12-27 2020-03-17 厦门思科图光电科技有限公司 Lightning protection type optic fibre with locate function
CN117031660A (en) * 2023-07-12 2023-11-10 常熟迅联光电科技有限公司 Butterfly-shaped lead-in optical cable with optical fiber ribbon and layer-stranded optical fiber ribbon optical cable

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100000036A (en) * 2008-06-24 2010-01-06 엘에스전선 주식회사 Optical fiber cable
CN101634736A (en) * 2008-07-21 2010-01-27 上海斯瑞聚合体科技有限公司 Application of non-woven tape
CN103217764A (en) * 2012-04-07 2013-07-24 常熟市谷雷特机械产品设计有限公司 Drop cable

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3783946B2 (en) * 2002-08-02 2006-06-07 昭和電線電纜株式会社 Fiber optic cable
US7471862B2 (en) * 2002-12-19 2008-12-30 Corning Cable Systems, Llc Dry fiber optic cables and assemblies
US7242831B2 (en) * 2004-02-27 2007-07-10 Verizon Business Global Llc Low strain optical fiber cable
CN102354034A (en) * 2004-11-05 2012-02-15 普雷斯曼电缆及系统能源有限公司 Waterproof cable and manufacturing method thereof
WO2008026912A1 (en) * 2006-08-31 2008-03-06 Draka Comteq B.V. A loose tube optical waveguide fiber assembly
CN101614852B (en) * 2009-07-30 2010-10-06 伊红立 Environment-friendly optical cable filling material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100000036A (en) * 2008-06-24 2010-01-06 엘에스전선 주식회사 Optical fiber cable
CN101634736A (en) * 2008-07-21 2010-01-27 上海斯瑞聚合体科技有限公司 Application of non-woven tape
CN103217764A (en) * 2012-04-07 2013-07-24 常熟市谷雷特机械产品设计有限公司 Drop cable

Also Published As

Publication number Publication date
CN105467539A (en) 2016-04-06
CN104020544A (en) 2014-09-03
CN105467538B (en) 2018-08-17
CN105511036A (en) 2016-04-20
CN105467539B (en) 2018-08-17
CN104020544B (en) 2017-01-25
CN105467540A (en) 2016-04-06
CN105467538A (en) 2016-04-06
CN105467540B (en) 2018-08-31

Similar Documents

Publication Publication Date Title
CN105511036B (en) A kind of non-metallic layer stranded cables
JP6674893B2 (en) Optical fiber cable with outer material
CN105572828B (en) A kind of compact-sized optical cable
CN104078139B (en) A kind of microflute cable
CN104570251A (en) All-dielectric large-core-number high-density micro pipeline wiring cable and manufacturing method thereof
CN104730667B (en) Slotted core cable and preparation method
CN103383486A (en) Armored pipeline butterfly optical cable and production method thereof
CN203311048U (en) Rat-proof optical fiber cable
CN206038975U (en) Tube cable is restrainted to absolutely dry formula
CN102313945A (en) Circular rubber-covered-wire optical cable and manufacturing method thereof
CN202383331U (en) Side-fiber type outdoor optical cable
CN104166202B (en) A kind of high-performance flexible type drags and makes optical cable and preparation method thereof
CN201765359U (en) All-dielectric central beam tube type communication optical cable
CN203981934U (en) A kind of optoelectrical cable of compact conformation
CN204009166U (en) A kind of non-metallic optical fiber cables
CN204405908U (en) All dielectric large core number high density micro-tube wiring optical cable
CN105785528B (en) A kind of non-metallic optical fiber cables that can be anti-lightning strike
CN104749726A (en) High-hardness central-tube-strengthened ratproof optical cable and manufacturing technology thereof
CN201955508U (en) Full-medium double-protection-layer semi-dry type center beam pipe ribbon-shaped optical cable
CN207516613U (en) A kind of interior low friction pipeline laying optical cable
CN204631310U (en) A kind of high rigidity pipe core heavier-duty rodent-resistant cable
CN107561662A (en) A kind of dual-purpose optical cable of branching shape indoor and outdoor and manufacture method
CN203825262U (en) Enhanced flame-retardant field cable
CN203396996U (en) Armored pipeline butterfly cable
CN210348009U (en) Rat-proof optical cable with novel structure

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Zhang Zhibin

Inventor after: Liu Yong

Inventor after: Pan Jinhua

Inventor after: Chen Cuihong

Inventor after: Liang Cihe

Inventor after: Wang Fudong

Inventor before: Yin Hong

TA01 Transfer of patent application right

Effective date of registration: 20180806

Address after: 523405 Guangdong Dongguan Industrial Park, Liaobu Town, Southern China, Jinfu East Road, special information Optical Communication Industrial Park.

Applicant after: Shenzhen SDG Information Co., Ltd.

Address before: 214206 room 404, 144 village, South Cang village, Yicheng street, Yixing, Wuxi, Jiangsu

Applicant before: Yin Hong

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A kind of non-metallic layer stranded optical cable

Effective date of registration: 20200821

Granted publication date: 20180831

Pledgee: Shenzhen hi tech investment small loan Co.,Ltd.

Pledgor: SHENZHEN SDG INFORMATION Co.,Ltd.

Registration number: Y2020980005203

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20220610

Granted publication date: 20180831

Pledgee: Shenzhen hi tech investment small loan Co.,Ltd.

Pledgor: SHENZHEN SDG INFORMATION Co.,Ltd.

Registration number: Y2020980005203

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A non-metallic layer twisted optical cable

Effective date of registration: 20220615

Granted publication date: 20180831

Pledgee: Shenzhen small and medium sized small loan Co.,Ltd.

Pledgor: SHENZHEN SDG INFORMATION Co.,Ltd.

Registration number: Y2022440020092