CN105467538B - A kind of non-metallic optical fiber cables - Google Patents
A kind of non-metallic optical fiber cables Download PDFInfo
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- CN105467538B CN105467538B CN201610059159.XA CN201610059159A CN105467538B CN 105467538 B CN105467538 B CN 105467538B CN 201610059159 A CN201610059159 A CN 201610059159A CN 105467538 B CN105467538 B CN 105467538B
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- metallic
- optical fiber
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- protective layer
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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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
- 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
- G02B6/4434—Central member to take up tensile loads
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Insulated Conductors (AREA)
Abstract
The invention belongs to technical field of cables; it is related to a kind of non-metallic optical fiber cables, Loose tube, outer gasket for packing, the protective layer that outer gasket for packing and Loose tube are enveloped and the restrictive coating except protective layer for including center reinforcemen, being twisted except centrally disposed reinforcer with one-way or bi-directional spiral and including more optical fibers；It is characterized in that having sheath, non-metallic and transition zone between the protective layer and restrictive coating; sheath extrusion molding is coated on except protective layer; non-metallic is located at except sheath and closes sheath; transition zone between non-metallic and restrictive coating, 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 parts constitute；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
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 optical fiber 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, the purpose of the present invention is disclosing a kind of non-metallic optical fiber cables, its making is further disclosed
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 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 between the protective layer and restrictive coating will protect
The closed non-metallic of sheath, non-metallic by coating, it is in coating and arranged in parallel and be not in contact with each other and axis
Line is generally aligned in the same plane interior more and increases parts composition；Or 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 multiple reinforcement holes and more increase parts constitute, each reinforcement
There is an increase part in 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 optical fiber cables include to add positioned at the center in optical cable center
Strong part 4,6 Loose tubes 3 for being twisted except centrally disposed reinforcer with one-way or bi-directional spiral and including 4 optical fibers 2,
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 and sheath
Have between layer by the closed non-metallic 1 of protective layer, non-metallic is by coating 13, 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 8 increase parts 11 constitute；Or non-metallic by coating 13, 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 12 and more increasing
Add part 11 to constitute, 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 optical fiber in the Loose tube can also be other more
Root, 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.
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 center reinforcemen is glass
Fibre-reinforced plastics bar.
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 is made
With, 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
Part meter, including following raw material：20~30 parts of polyvinyl resin, 8~15 parts of acrylic resin, model JF-31 or JF-33 or
30~50 parts of JF-35 or JF-C superhigh molecular weight polyethylene fibers, the glass fiber yarn 20~40 that length is 0.01mm~1.2mm
Part, 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 (8)
1. a kind of non-metallic optical fiber cables include positioned at the center reinforcemen in optical cable center, with the twisted setting of one-way or bi-directional spiral
Except center reinforcemen and include the Loose tube of more optical fibers, the outer filling in the external series gap of adjacent Loose tube
Rope, the protective layer that outer gasket for packing and Loose tube are enveloped and the restrictive coating except protective layer；It is characterized in that the guarantor
There is sheath, non-metallic and transition zone, sheath extrusion molding is coated on except protective layer, nonmetallic between sheath and restrictive coating
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, 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 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
Multiple reinforcement holes and more increase parts and constitute, there is in each reinforcement hole an increase part；The increase part is by weight
Part meter, including following raw material：20~30 parts of polyvinyl resin, 8~15 parts of acrylic resin, model JF-31 or JF-33 or
30~50 parts of JF-35 or JF-C superhigh molecular weight polyethylene fibers, the glass fiber yarn 20~40 that length is 0.01mm~1.2mm
Part, 5~10 parts of EVA hot-melt adhesive.
2. a kind of non-metallic optical fiber cables according to claim 1, it is characterised in that the center reinforcemen increases for glass fibre
Add plastic bar.
3. a kind of non-metallic optical fiber cables according to claim 2, it is characterised in that the optical fiber be 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 optical fiber or OM2 optical fiber or OM3 optical fiber or energy biography
Lose fibre.
4. a kind of non-metallic optical fiber cables according to claim 3, it is characterised in that the material of the Loose tube is poly- to benzene two
Formic acid butanediol ester or modified polypropene.
5. a kind of non-metallic optical fiber cables according to claim 4, it is characterised in that the material of the protective layer be polyester belt or
Waterstop or non-woven fabrics.
6. a kind of non-metallic optical fiber cables according to claim 5, it is characterised in that the material of the restrictive coating is that low-density is poly-
Ethylene or medium density polyethylene or high density polyethylene (HDPE).
7. a kind of non-metallic optical fiber cables according to claim 1 to claim 6 any one, it is characterised in that the interior shield
The material of layer is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE).
8. a kind of non-metallic optical fiber cables according to claim 7, the material of the coating be low density polyethylene (LDPE) or in it is close
Spend polyethylene or high density polyethylene (HDPE)；The material of coating and the material of sheath are identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610059159.XA CN105467538B (en) | 2014-06-26 | 2014-06-26 | A kind of non-metallic optical fiber cables |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410293929.8A CN104020544B (en) | 2014-06-26 | 2014-06-26 | Non-metallic cable and manufacturing method thereof |
| CN201610059159.XA CN105467538B (en) | 2014-06-26 | 2014-06-26 | A kind of non-metallic optical fiber cables |
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 |
|---|---|
| CN105467538A CN105467538A (en) | 2016-04-06 |
| CN105467538B true CN105467538B (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410293929.8A Expired - Fee Related CN104020544B (en) | 2014-06-26 | 2014-06-26 | Non-metallic cable and manufacturing method thereof |
| CN201610059211.1A Active CN105511036B (en) | 2014-06-26 | 2014-06-26 | A kind of non-metallic layer stranded cables |
| CN201610059159.XA Active CN105467538B (en) | 2014-06-26 | 2014-06-26 | A kind of non-metallic optical fiber 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 |
| CN201610059160.2A Active CN105467539B (en) | 2014-06-26 | 2014-06-26 | A kind of non-metallic layer tangles structure optical cable |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410293929.8A Expired - Fee Related CN104020544B (en) | 2014-06-26 | 2014-06-26 | Non-metallic cable and manufacturing method thereof |
| CN201610059211.1A Active CN105511036B (en) | 2014-06-26 | 2014-06-26 | A kind of non-metallic layer stranded cables |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
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| 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 |
| CN201610059160.2A Active CN105467539B (en) | 2014-06-26 | 2014-06-26 | A kind of non-metallic layer tangles structure optical cable |
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| CN (5) | CN104020544B (en) |
Families Citing this family (11)
| 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 |
| CN107065098A (en) * | 2015-04-23 | 2017-08-18 | 沈群华 | A kind of layer-stranding cable and preparation 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 |
| CN106653186B (en) * | 2017-02-15 | 2018-01-26 | 重庆成瑞光电科技有限公司 | A kind of intermediate color cable or secondary color optical cable |
| CN106782866B (en) * | 2017-02-15 | 2018-01-23 | 重庆成瑞光电科技有限公司 | A kind of cable or optical cable composite band |
| 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 |
| CN116560026B (en) * | 2023-07-12 | 2023-09-12 | 常熟迅联光电科技有限公司 | Layer stranded optical fiber ribbon optical cable and butterfly-shaped lead-in optical cable with optical fiber ribbon |
| CN118502052B (en) * | 2024-07-22 | 2024-09-17 | 江苏南方通信科技有限公司 | Nonmetallic layer stranded optical cable |
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| CN101135757A (en) * | 2006-08-31 | 2008-03-05 | 德雷卡通信技术公司 | A loose tube optical waveguide fiber assembly |
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| JP3783946B2 (en) * | 2002-08-02 | 2006-06-07 | 昭和電線電纜株式会社 | Fiber optic cable |
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| 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 |
| CN103217764B (en) * | 2012-04-07 | 2015-06-10 | 江苏南方通信科技有限公司 | Drop cable |
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- 2014-06-26 CN CN201610059211.1A patent/CN105511036B/en active Active
- 2014-06-26 CN CN201610059159.XA patent/CN105467538B/en active Active
- 2014-06-26 CN CN201610060184.XA patent/CN105467540B/en active Active
- 2014-06-26 CN CN201610059160.2A patent/CN105467539B/en active Active
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| 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 |
| CN101135757A (en) * | 2006-08-31 | 2008-03-05 | 德雷卡通信技术公司 | A loose tube optical waveguide fiber assembly |
| CN101529297A (en) * | 2006-12-21 | 2009-09-09 | 康宁光缆系统有限公司 | Dry fiber optic cables and assemblies |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104020544B (en) | 2017-01-25 |
| CN105467540B (en) | 2018-08-31 |
| CN104020544A (en) | 2014-09-03 |
| CN105511036B (en) | 2018-08-31 |
| CN105467539A (en) | 2016-04-06 |
| CN105511036A (en) | 2016-04-20 |
| CN105467539B (en) | 2018-08-17 |
| CN105467538A (en) | 2016-04-06 |
| CN105467540A (en) | 2016-04-06 |
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Effective date of registration: 20180709 Address after: 225500 west side of Xingye Road, Luo Tong Street, Jiangyan District, Taizhou, Jiangsu Applicant after: Jiangsu Hua Mai Optoelectronic Technology Co., Ltd. Address before: 214206 room 404, 144 village, South Cang village, Yicheng street, Yixing, Wuxi, Jiangsu Applicant before: Yin Hong |
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Effective date of registration: 20191018 Address after: 225300 West Side of Xingye Road, Luotang Street, Jiangyan District, Taizhou City, Jiangsu Province Co-patentee after: NANJING HUAMAI TECHNOLOGY CO., LTD. Patentee after: Jiangsu Hua Mai Optoelectronic Technology Co., Ltd. Address before: 225500 west side of Xingye Road, Luo Tong Street, Jiangyan District, Taizhou, Jiangsu Patentee before: Jiangsu Hua Mai Optoelectronic Technology Co., Ltd. |
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