CN209417379U - Super high fiber count cable based on fiber bundle structure - Google Patents
Super high fiber count cable based on fiber bundle structure Download PDFInfo
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- CN209417379U CN209417379U CN201920254391.8U CN201920254391U CN209417379U CN 209417379 U CN209417379 U CN 209417379U CN 201920254391 U CN201920254391 U CN 201920254391U CN 209417379 U CN209417379 U CN 209417379U
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Abstract
The utility model discloses a kind of super high fiber count cable based on fiber bundle structure, including oversheath, several optical fiber bundle units, reinforcer and water blocking yarn；The optical fiber bundle unit is twisted using a certain number of fiber optic bundles；The fiber optic bundle is solidified by multifiber；Optical fiber bundle unit described in several constitutes cable core according to certain structure is twisted；Water blocking yarn is filled between the optical fiber bundle unit；The oversheath extrusion molding is on the outside of cable core；Multiple reinforcers are symmetrical arranged along optic cable diameter direction inside the oversheath.The utility model reduces cable outer diameter size；Greatly improve optical cable fibre core density；Clean and environmental protection, fusion efficiency is high, substantially reduces optical cable installation cost.
Description
Technical field
The utility model relates to optical cable technology fields, and in particular to a kind of super high fiber count cable based on fiber bundle structure.
Background technique
Currently, Communication in China industry high speed development, under the guidance of " broadband China " strategy, " all optical network " construction is just strong
It pushes ahead, 4G network deeply develops comprehensively, and 5G network also goes near gradually, and the high speed that China is just entering information development is logical
Road.As big data era arrives, the core of the application of cloud computation data center, intelligent building and Internet of Things, optical-fibre communications is dry
Gauze, local area network, access net, computer room propose requirements at the higher level to the fibre core capacity of optical cable, and more and more high fiber count cables obtain
To application, built with meeting transinformation and the fast-developing metropolitan broadband network network of sustainable growth.And outer diameter is small, holds fine amount
Greatly, the high fiber count cable that construction maintenance is convenient and attenuation loss is small can effectively alleviate communication pipe network dilatation in city and cause
Pipeline resource it is nervous, meet ever-increasing high-density optical-fiber core number demand, greatly improve fibre core utilization rate.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of super high fiber count cable based on fiber bundle structure, reduction
Cable outer diameter size；Greatly improve optical cable fibre core density；Clean and environmental protection, fusion efficiency is high, substantially reduces optical cable installation cost.
In order to solve the above technical problems, the utility model adopts the following technical scheme: the super large core based on fiber bundle structure
Number optical cable, including oversheath, several optical fiber bundle units, reinforcer and water blocking yarn；The optical fiber bundle unit is using certain
The fiber optic bundle of quantity is twisted；The fiber optic bundle is solidified by multifiber；Optical fiber bundle unit described in several is pressed
Cable core is constituted according to certain structure is twisted；Water blocking yarn is filled between the optical fiber bundle unit；The oversheath extrusion molding is in cable
On the outside of core；Multiple reinforcers are symmetrical arranged along optic cable diameter direction inside the oversheath.
Further, several optical fiber bundle units are twisted according to the structure of " 1+X " and constitute cable core, the knot of " 1+X "
Structure is specially X peripheral optical fiber bundle unit on the outside of 1 central bundle unit and centrally disposed optical fiber bundle unit；Peripheral light
The quantity of fine Shu Danyuan and optical fiber in central bundle unit are same or different.
Further, described X peripheral optical fiber bundle unit includes at least one layer of fiber optic bundle that from-inner-to-outer is arranged successively
Set, every layer of optical fiber collar are the cyclic structure being made of multiple peripheral optical fiber bundle units.
Further, multiple peripheral optical fiber bundle unit structures in every layer of optical fiber collar are identical, the fiber optic bundle of different levels
Peripheral optical fiber bundle unit structure is same or different in set.
Further, the oversheath is symmetrically embedded in 2 or 4 along optic cable diameter direction in oversheath in extrusion molding
Root high-modulus reinforcer, the high-modulus reinforcer use QFRP, GFRP or steel wire.
Further, the fiber optic bundle is after passing through curing mold application of resin using a certain number of optical fiber, through purple
The round fiber beam that outer photocuring is formed.
Further, the optical fiber is using G.652D optical fiber, G.657A1 optical fiber, G.657A2 optical fiber, G.654E optical fiber；
Optical fiber coating diameter is 245 μm~255 μm.
Further, fiber number is 2 cores~24 cores in the fiber optic bundle.
Further, the multifiber is coloured using whole chromatogram or the whole chromatogram coloring mode of colored rings carries out area
Point；Round fiber beam surface lettering mark after solidification.
Further, replace a certain number of fiber optic bundles or fiber count units using a certain number of gasket for packings, make optical cable
Core number is in 168 cores~4152 cores.
The utility model has the beneficial effects that the utility model substitutes Loose tube in such a way that optical fiber curing is at fiber optic bundle；
The twisted of optical fiber bundle unit is first carried out, according still further to certain structure by optical fiber bundle unit twisted synthesizing cable.The optical cable with it is mutually isostructural
Loose tube layer-twisted optical fiber ribbon cable is compared, and fiber capacity is high, and outer diameter is small.Increase curing optical fiber core number, optical cable fibre can be improved
Core density；Dry type structure can make when fibre junction without clearing up ointment, clean and environmental protection, fusion efficiency height.
Detailed description of the invention
In order to more clearly illustrate the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is simply introduced, it should be apparent that, the accompanying drawings in the following description is only some realities recorded in the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of 24 core fibre beams.
Fig. 2 is the structural schematic diagram of 168 core fibre Shu Danyuan.
Fig. 3 is the structural schematic diagram of 456 core fibre Shu Danyuan.
Fig. 4 is the 1176 core cable configuration schematic diagrames based on fiber bundle structure.
3192 core cable configuration schematic diagrames of the Fig. 5 based on fiber bundle structure.
Fig. 6 is the 3192 core cable configuration schematic diagrames based on fiber bundle structure.
Fig. 7 is illustrated based on 4152 core cable configurations of fiber bundle structure.
Specific embodiment
The technical solution of the utility model will be clearly and completely described by specific embodiment below.
As shown in Figure 1, being the super high fiber count cable based on fiber bundle structure of the utility model, using fiber optic bundle layer-twisted type
Structure, including oversheath 1, several optical fiber bundle units 2, reinforcer 3 and water blocking yarn 4；Optical fiber made of multifiber bundle strand is closed
Shu Danyuan 2.Several optical fiber bundle units 2 constitute cable core according to certain structure is twisted；Water blocking yarn is filled between optical fiber bundle unit 2
4, then extrusion molding oversheath 1.It is symmetrically placed along optic cable diameter direction using certain specification, the high-modulus reinforcer 3 of quantity, with full
The demand of sufficient optical cable tensile property.
The fiber optic bundle of the utility model is after passing through curing mold application of resin using a certain number of optical fiber, through ultraviolet light
The round fiber beam being formed by curing has the characteristics that flexibility is good, easily peelable.Wherein, common fiber type is G.652D optical fiber,
Coat diameter is at 245 μm~255 μm or so.Fiber optic bundle as shown in Figure 1 includes 24 cores G.652D optical fiber, is distinguished for convenience,
12 core fibres of 12 core fibres of whole chromatogram coloring and the whole chromatogram coloring of colored rings are respectively adopted, whole chromatogram includes but do not limit to
Yu Lan, orange, green, comprehensive, grey, white, red, black, yellow, purple, pink, dark green, the permissible white optical fiber of true qualities optical fiber replacement.Light after solidification
Fine beam outer diameter is in 1.50mm~1.60mm.For the ease of identification, round fiber beam surface after hardening carries out lettering mark.It removes
Lettering identification is carried out in every fiber optic bundle, optical fiber bundle unit can also be wound using the colour band of different colours, it can be
Lettering identification is carried out on colour band.
The optical fiber bundle unit of the utility model is twisted using a certain number of fiber optic bundles.As shown in Fig. 2, being 168
Core fibre Shu Danyuan, it is twisted according to " 1+6 " structure using 7 24 core fibre beams 7；Water blocking yarn 4 is filled between fiber optic bundle, and is adopted
With prick yarn winding, guarantee the rounding property of cable core structure, be twisted after optical fiber bundle unit include 168 core of fiber number, outer diameter 4.7mm~
4.8mm。
As shown in figure 3, be 456 core fibre Shu Danyuan, it is twisted according to " 1+6+12 " structure using 19 24 core fibre beams 7；
Water blocking yarn 4 is filled between fiber optic bundle, and using yarn winding is pricked, guarantees the rounding property of cable core structure, optical fiber bundle unit packet after being twisted
Containing 456 core of fiber number, outer diameter 7.8mm~8.0mm.
Cable core is to be twisted using more round fiber Shu Danyuan according to certain structure, is filled between optical fiber bundle unit 2
Water blocking yarn 4, and using waterstop longitudinal wrap is carried out after pricking yarn winding, guarantee the rounding property of cable core structure.Oversheath 1 uses high density
Polyethylene can symmetrically be embedded in the high-modulus reinforcer 3 of certain specification, quantity, along optic cable diameter direction in sheath to meet light
The demand of cable tensile property.
The oversheath 1 of the utility model can be used the polyethylene sheath material of low friction, low smoke and zero halogen material, nylon material,
Fluoroplastics, thermoplastic elastic material etc. improve low friction, fire-retardant, abrasion resistance properties or the flexibility of cable jacket.
As shown in figure 4, cable core uses 7 168 core fibre Shu Danyuan 02, it is twisted according to " 1+6 " structure, fiber optic bundle list
Water blocking yarn 4 is filled between member, and carries out waterstop longitudinal wrap, cable core size 14.5mm~15.0mm, optical fiber using pricking after yarn is wound
Several 1176 cores of core.Extruded polyethylene oversheath, optical cable wall thickness are 1.2mm~1.5mm, and outer diameter is in 17.0mm~18.0mm.
As shown in figure 5, cable core uses 7 456 core fibre Shu Danyuan 03, it is twisted according to " 1+6 " structure, fiber optic bundle list
Water blocking yarn is filled between member, and carries out waterstop longitudinal wrap, cable core size 23.8mm~24.4mm, fiber cores using pricking after yarn is wound
Several 3192 cores, optical cable wall thickness are 2.0mm~2.5mm, and outer diameter is in 27.8mm~29.4mm.
As shown in fig. 6, cable core uses 19 168 core fibre Shu Danyuan 04, it is twisted according to " 1+6+12 " structure；Fiber optic bundle list
Water blocking yarn is filled between member, and carries out waterstop longitudinal wrap, cable core size 24.0mm~24.5mm, fiber cores using pricking after yarn is wound
Several 3192 cores, optical cable wall thickness are 2.0mm~2.5mm, and outer diameter is in 28.0mm~29.5mm.
As shown in fig. 7, cable core uses element (central bundle unit 21) centered on 1 456 core fibre Shu Danyuan,
According to " 1+8+14 " structure, outer layer is twisted 22 168 core fibre Shu Danyuan (peripheral optical fiber bundle unit 21)；Between optical fiber bundle unit
Water blocking yarn is filled, and carries out waterstop longitudinal wrap, cable core size 27.0mm~27.6mm, fiber number 4152 using pricking after yarn is wound
Core, optical cable wall thickness are 2.5mm~3.0mm, and outer diameter is in 32.0mm~33.6mm.
Optical fiber of the coating diameter at 180 μm~255 μm can be used in optical fiber in the utility model fiber optic bundle, such as common
180 μm and 200 μm of small size optical fiber, can further decrease fiber optic bundle size.Fiber type includes but is not limited to: a)
G.657A1, G.657A2 optical fiber improves fibre-optical bending performance；B) G.654E optical fiber improves fiber capacity.
Fiber optic bundle inner fiber core number includes but is not limited to 24 cores, can be 2 cores~24 cores.
The optical fiber bundle unit structure of the utility model includes but is not limited to the above structure, and " 1+8 " can be used in stranded mode
Structure, 8 fiber optic bundles are twisted into optical fiber bundle unit around 1 center part；Or " 1+9+15 " structure is used, using 24 light
Fibre is twisted into optical fiber bundle unit around 1 center part.
The cable core that the optical fiber bundle unit of the utility model is twisted includes but is not limited to the above structure, and " 1+9 can be used
+ 15 " structure is twisted into cable core around 1 center part using 24 optical fiber bundle units；The filling of same size can be used simultaneously
Rope replaces a certain number of fiber optic bundles or fiber count units, makes Cable Core Number in 168 cores~4152 cores.
The cable core of the utility model can be according to practical application request, after the FRP, steel wire or plastic sleeve of certain specification
Reinforcer replaces optical fiber bundle unit center part or optical cable center part.
The optical cable of the utility model is symmetrically embedded in 2 or 4 along optic cable diameter direction in oversheath in extrusion molding oversheath
Root high-modulus reinforcer, such as QFRP, GFRP, steel wire.
Half dry type structure can be used in the optical cable of the utility model, and the cable cream that blocks water is filled between fiber optic bundle.
The super high fiber count cable of fiber bundle structure, optic cable diameter is smaller under same light fibre core number, same pipeline or wire casing
In more optical fiber can be installed, dry type structure lays high-efficient, production and installs more environmentally friendly, the core suitable for optical-fibre communications
The fields such as heart arterial grid, local area network, access net, computer room, are able to satisfy the transinformation of sustainable growth and the city of fast development
Demand of the deployment of broadband network to high-density optical-fiber core number.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical new to this
The conception and scope of type is defined, without departing from the design concept of the present utility model, ordinary skill skill in this field
Art personnel should all fall into the protection scope of the utility model to all variations and modifications that the technical solution of the utility model is made,
The claimed technology contents of the utility model, are all documented in technical requirements book.
Claims (10)
1. the super high fiber count cable based on fiber bundle structure, it is characterised in that: including oversheath (1), several optical fiber bundle units
(2), reinforcer (3) and water blocking yarn (4)；The optical fiber bundle unit is twisted using a certain number of fiber optic bundles；It is described
Fiber optic bundle solidified by multifiber；Optical fiber bundle unit (2) described in several constitutes cable according to certain structure is twisted
Core；Water blocking yarn (4) are filled between the optical fiber bundle unit (2)；Described oversheath (1) extrusion molding is on the outside of cable core；Described
Oversheath (1) is internal to be symmetrical arranged multiple reinforcers (3) along optic cable diameter direction.
2. the super high fiber count cable according to claim 1 based on fiber bundle structure, it is characterised in that: described several
Optical fiber bundle unit (2) is twisted according to the structure of " 1+X " and constitutes cable core, and the structure of " 1+X " is specially 1 central bundle unit
(21) X peripheral optical fiber bundle unit (22) and on the outside of centrally disposed optical fiber bundle unit (21)；Peripheral optical fiber bundle unit (22)
It is same or different with the quantity of optical fiber in central bundle unit (21).
3. the super high fiber count cable according to claim 2 based on fiber bundle structure, it is characterised in that: described X are outer
Enclosing optical fiber bundle unit (22) includes at least one layer of optical fiber collar that from-inner-to-outer is arranged successively, and every layer of optical fiber collar is by multiple outer
Enclose the cyclic structure of optical fiber bundle unit composition.
4. the super high fiber count cable according to claim 3 based on fiber bundle structure, it is characterised in that: every layer of optical fiber collar
In multiple peripheral optical fiber bundle unit structures it is identical, the optical fiber collar China and foreign countries of different levels enclose optical fiber bundle unit structure it is identical or
It is different.
5. the super high fiber count cable according to claim 1 based on fiber bundle structure, it is characterised in that: the oversheath
(1) in extrusion molding, 2 or 4 high-modulus reinforcers, the height are symmetrically embedded in along optic cable diameter direction in oversheath (1)
Modulus reinforcer uses QFRP, GFRP or steel wire.
6. the super high fiber count cable according to claim 1 based on fiber bundle structure, it is characterised in that: the fiber optic bundle
It is the round fiber beam using a certain number of optical fiber by being formed by curing through ultraviolet light after curing mold application of resin.
7. the super high fiber count cable according to claim 6 based on fiber bundle structure, it is characterised in that: the optical fiber is adopted
With G.652D optical fiber, G.657A1 optical fiber, G.657A2 optical fiber, G.654E optical fiber；Optical fiber coating diameter is 245 μm~255 μm.
8. the super high fiber count cable according to claim 6 based on fiber bundle structure, it is characterised in that: in the fiber optic bundle
Fiber number is 2 cores~24 cores.
9. the super high fiber count cable according to claim 6 based on fiber bundle structure, it is characterised in that: the multifiber
It is distinguished using the whole chromatogram coloring mode of whole chromatogram coloring or colored rings；Round fiber beam surface lettering mark after solidification
Know.
10. the super high fiber count cable according to claim 1 based on fiber bundle structure, it is characterised in that: use a fixed number
The gasket for packing of amount replaces a certain number of fiber optic bundles or fiber count units, makes Cable Core Number in 168 cores~4152 cores.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920254391.8U CN209417379U (en) | 2019-02-28 | 2019-02-28 | Super high fiber count cable based on fiber bundle structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920254391.8U CN209417379U (en) | 2019-02-28 | 2019-02-28 | Super high fiber count cable based on fiber bundle structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983761A (en) * | 2020-09-03 | 2020-11-24 | 江苏中天科技股份有限公司 | Full-dry optical cable and preparation method thereof |
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2019
- 2019-02-28 CN CN201920254391.8U patent/CN209417379U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983761A (en) * | 2020-09-03 | 2020-11-24 | 江苏中天科技股份有限公司 | Full-dry optical cable and preparation method thereof |
| WO2022048019A1 (en) * | 2020-09-03 | 2022-03-10 | 江苏中天科技股份有限公司 | Full-dry optical cable and preparation method therefor |
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