CN207799177U - A kind of slotted core cable - Google Patents
A kind of slotted core cable Download PDFInfo
- Publication number
- CN207799177U CN207799177U CN201820052288.0U CN201820052288U CN207799177U CN 207799177 U CN207799177 U CN 207799177U CN 201820052288 U CN201820052288 U CN 201820052288U CN 207799177 U CN207799177 U CN 207799177U
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- Prior art keywords
- skeleton
- fiber
- skeleton grooves
- slotted core
- core cable
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Abstract
The utility model discloses a kind of slotted core cables, including are coated on the waterstop of skeleton periphery, have extruded cable jacket on the outside of waterstop, skeleton circumferentially sets skeleton grooves, fiber unit is set in skeleton grooves；Frame center is embedded with reinforcer, and skeleton grooves are axially distributed in SZ types along reinforcer；Fiber unit includes the subelement formed with spiral stranded mode by several fibre ribbons, and fibre ribbon is bonded solidification connection by adjacent sequential by adhering resin by several optical fiber and is formed along winding and being wrapped up by binder perpendicular to fiber length successively；Circular cross-section is formed in such a way that spiral is twisted and form fiber unit after binder wrapping is fixed between subelement.The not limitation of direction change by bending of the fibre ribbon of the utility model circular configuration, with preferable bending resistance, and band structure of optic fibre size is easy regulation and control, can well it coordinate with skeleton grooves, to meet the requirement of large range of density of optic fibre and cable outer diameter, and realize the excellent water permeability resistance energy of optical cable.
Description
Technical field
The utility model belongs to fiber optic cable manufacture technical field, is related to a kind of slotted core cable.
Background technology
With the fast development of optical communications industry, the constructing emphases of communication network are shifted to Metropolitan Area Network (MAN) and access net so that
Traditional cable configuration is difficult to meet the demands such as diversification and the high quality of network service.It is domestic mainly to be twisted at present using loose jacket layer
Formula and central-beam tube type fiber optic cable, especially high fiber count cable are typically that 4~24 optical fiber are arranged in parallel and cure through UV in casing
At Boping shape fibre ribbon, but the disadvantage is that cable configuration size is big, heavy, core number is small, especially in increasingly wiring space resource
In the case of in short supply so that the difficulty of fiber cable laying and follow-up maintenance greatly increases.In addition, Boping shape optical fiber arranged in parallel
Band, bending have orientation, and the good bandability along ribbon thickness direction, the bendability along ribbon width direction is poor, into
And the bending property of optical cable is largely limited, influence the stability and reliability of communication line signal transmission.
Utility model content
To solve drawbacks described above existing in the prior art, the purpose of this utility model is to provide a kind of skeleton light
The fibre ribbon of cable, the optical cable has preferable bending resistance, and the limitation of direction change by bending, it is inclined not avoid optical fiber attenuation
Line signal failure caused by big or unstable.Compared with the Boping shape fibre ribbon of traditional parallel arranged, section is circle
Structure solves the problems, such as that directionality limits conventional optical fiber ribbon by bending, to ensure that communication line stable signal transmission can
It leans on.
The utility model is realized by following technical proposals.
A kind of slotted core cable provided by the utility model, including skeleton, and it is coated on the waterstop of skeleton periphery, it blocks water
Band outside has extruded cable jacket, and the skeleton grooves for being circumferentially with equidistantly distributed of the skeleton, skeleton grooves are interior to be equipped with optical fiber list
Member；The frame center is embedded with reinforcer, and skeleton grooves are axially distributed in SZ types along reinforcer；
The fiber unit includes to form the subelement formed in such a way that spiral is twisted, the light by several fibre ribbons
Fibre ribbons are bonded solidification connection by adhering resin by adjacent sequential by several optical fiber and are rolled up along perpendicular to fiber length successively
It wraps up and is formed around and by binder；Circular cross-section is formed in such a way that spiral is twisted and wrapped up through binder between the subelement
Fiber unit is formed after fixation.
Preferably, the waterstop is made of the water-proofing powder of polyester matrix and the attachment of its surface；The surface of several optical fiber is viscous
With water-proofing powder；The water-proofing powder is starch or polyacrylate.
Preferably, the skeleton grooves and skeleton are integral type machine-shaping, and the cross section of skeleton grooves is class sector structure；When
When the width of area S2, skeleton grooves and the ratio W/D of depth shared by the area S1 and fiber unit of skeleton grooves meet following formula, light
Cable can reach water permeability resistance energy and bending resistance：
0.6≤S2/S1≤0.8；1.5≤W/D≤2.5
In formula, W is the width of skeleton grooves, and D is the depth of skeleton grooves.
Preferably, the adhering resin is continuously distributed along fiber length, or intermittent distribution at equal intervals.
Preferably, it is starch or polyacrylate that the surface adhesion of several optical fiber, which has water-proofing powder, the water-proofing powder,.
Preferably, the waterstop is in a helical pattern around the outside of skeleton, and has the lap width of 2~4mm.
Preferably, the material of the binder is polyethylene, polyethylene terephthalate or polyamide.
Preferably, the thickness of the binder is 0.03mm~0.1mm, and width is 1.0mm~10mm, the binder
Shape be not limited only to it is band-like, or for linear fiber wrap up line.
Preferably, the skeleton is hard resin material, using makrolon, polybutylene terephthalate (PBT) or highly dense
Polyethylene.
Preferably, the reinforcer be metal or nonmetallic materials, the metal material be phosphating steel wire, stainless steel wire or
Steel strand wires；The nonmetallic materials are fibre reinforced composites FRP, aramid fiber reinforcing optical cable reinforced core KFRP or basalt
Fiber-reinforced resin BFRP.
Preferably, the cable jacket is that polyethylene or nylon material extrude.
The utility model has the beneficial effects that：
1. in the utility model slotted core cable, fibre ribbon is that several optical fiber are connected by adjacent sequential by adhering resin successively
It connects and along winding to be formed perpendicular to fiber length, section is circle, solves the flat-shaped fibre ribbon of conventional thin and takes by bending
To the problem of limitation, i.e. the good bandability along ribbon thickness direction, and the bendability along ribbon width direction is poor.This practicality
The not limitation in direction by bending of new type bone posture optical cable, reduces fibre strain, has preferable bending resistance, avoids light
Line signal failure caused by fibre decaying is bigger than normal or unstable.
It fixes in such a way that spiral is twisted and through binder to be formed 2. in the utility model slotted core cable, between fibre ribbon
Then the subelement of circular cross-section is fixed in such a way that spiral is twisted and through binder to be formed in skeleton grooves between each subelement
Fiber unit so that entire fiber unit structure is circle, and compact-sized, bending resistance is preferable.
3. in the utility model slotted core cable, each optical fiber surface is stained with water-proofing powder, expansion can be to optical fiber 8a after meeting water
Gap between~8h, between fibre ribbon and between skeleton grooves and fiber unit is filled blocking, avoids moisture to optical fiber
Intensity and decaying impact.
4. in the utility model slotted core cable, framework material is hard resin material, and bending stiffness is big, ensure that light
The good bending resistance of cable.
5. the section of the skeleton grooves of the utility model slotted core cable is class sector structure, fibre ribbon section is round ties
Structure solves the problems, such as that direction limits by bending for rectangular framework slot and Boping shape fibre ribbon in traditional slotted core cable.
6. the fiber number of the utility model slotted core cable is big, outer diameter is small, light-weight, convenient for construction and access operation.
Description of the drawings
Fig. 1 is a kind of cross-sectional view of slotted core cable；
Fig. 2 is the cross-sectional view of a skeleton grooves 5；
Fig. 3 is the cross-sectional view of subelement 7；
Fig. 4 is the cross-sectional structure schematic diagram of fibre ribbon 8；
Fig. 5 is the structural schematic diagram of fibre ribbon 8 along its length；
Fig. 6 is the structural schematic diagram of subelement 7；
Fig. 7 is the structural schematic diagram of fiber unit 6.
In figure：1 is cable jacket, and 2 be waterstop, and 3 be reinforcer, and 4 be skeleton, and 5 be skeleton grooves, and 6 be fiber unit, 7
It is fibre ribbon (8a~8h is optical fiber) for subelement, 8,9 be adhering resin, and 10 be fibre ribbon binder, and 11 wrap up for subelement
Band.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples, but is not intended as to this practicality
The novel foundation for doing any restrictions.
Fig. 1 is a kind of cross-sectional view of slotted core cable of the utility model, including 4 center of skeleton 4 and embedded skeleton
Reinforcer 3, the skeleton grooves 5 for being circumferentially with equidistantly distributed of skeleton 4 are equipped with fiber unit 6,4 periphery of skeleton in skeleton grooves 5
Waterstop 2 is coated, 2 outside of waterstop extrudes cable jacket 1.
Wherein, skeleton 4 is hard resin material, and makrolon (PC), polybutylene terephthalate (PBT) (PBT) can be used
Or high density polyethylene (HDPE), bending stiffness are more than 1000Mpa.The outer diameter of skeleton 4 is 20mm.
3 spiral of reinforcer is embedded in the center of skeleton 4, and reinforcer 3 is metal reinforcing material (phosphating steel wire, stainless steel
Silk, steel strand wires etc.) or nonmetallic reinforcement material (FRP, KFRP, BFRP etc.), to enhance the mechanical performance of optical cable.
Skeleton grooves 5 are equidistantly uniformly arranged along the periphery of skeleton 4, and the quantity of skeleton grooves 5 is five, each skeleton grooves 5
Cross section on groove width, groove depth and the distance between slot and slot must be strict controlled in certain error, ensure optical fiber list
6 energy of member is steady, is fitted exactly into skeleton grooves 5；Skeleton grooves 5 along reinforcer 3 axial direction in SZ types be distributed, skeleton grooves 5 it is transversal
Face is class fan shape.Skeleton grooves 5 are integral type machine-shaping with skeleton 4.
For waterstop 2 in a helical pattern around the outside of skeleton 4, wrapped palpus consolidation is smooth, and has certain overlap joint wide
Degree, lap width can be 2~4mm.Waterstop 2 should avoid the optical fiber caused by the top layer optical fiber in skeleton grooves 5 around packet procedures
Decaying increases the harmful effects such as even disconnected fine or disconnected fibre ribbon.The water-proofing powder structure that waterstop 2 is adhered to by polyester matrix and its surface
At water-proofing powder is the resin of water swelling, can be starch, polyacrylate etc..
In one embodiment, cable jacket 1 is polyethylene or nylon.Cable outer diameter is 24mm.
Fig. 2 is the cross-sectional view of a skeleton grooves 5.The quantity of skeleton grooves 5 is 5, but can be closed according to actual needs
The quantity of reason setting skeleton grooves 5.The fiber unit 6 being contained in skeleton grooves 5 includes four subelements 7.Fiber unit 6 include by
The subelement 7 of several fibre ribbons 8 composition, subelement 7 pass through bonding by several optical fiber (8a~8h is optical fiber) by adjacent sequential
Resin is bonded solidification connection successively and edge winds to be formed perpendicular to fiber length；The side being twisted with spiral between subelement 7
Formula forms circular cross-section and forms fiber unit after binder wrapping is fixed.
The quantity of suitable subelement 7 is set according to the structure size of skeleton grooves 5.The width of skeleton grooves 5 is W, and depth is
D, area S1；Area shared by fiber unit 6 is S2.When S1 and S2, W and D meet 0.6≤S2/S1≤0.8；1.5≤W/D
When≤2.5, optical cable can realize excellent water permeability resistance energy and bending resistance.In particular, the density of optic fibre in skeleton grooves 5 is higher
When, water-proofing powder on waterstop 2 can evenly into the bottom of skeleton grooves 5, on the one hand can effectively prevent moisture content in an axial direction into
Row seepage flow, to realize the excellent water permeability resistance energy of optical cable；On the other hand, ensure that subelement 7 is fixed reliable in skeleton grooves 5,
It is not caused optical fiber to be slided in skeleton grooves when bending direction changes by optical cable, and then influences the service life of optical fiber.
Fig. 3 is the cross-sectional view of subelement 7, and subelement 7 includes 10 fibre ribbons 8.
Fig. 4 is the cross-sectional structure schematic diagram of fibre ribbon 8.Wherein, optical fiber 8a~8h passes through adhering resin 9 by adjacent sequential
8 optical fiber are sequentially connected, edge winds to form circular fibre ribbon 8 perpendicular to fiber length；The adhering resin 9 is along light
Fine length direction is continuously distributed, can also be equidistant intermittent distribution.
The color of optical fiber 8a in 5 inner fiber band 8 of each skeleton grooves is different, to distinguish different skeleton grooves in construction,
Connecting processing is carried out to corresponding fiber unit.
Fig. 5 is the structural schematic diagram of fibre ribbon 8 along its length.Before not winding, optical fiber 8a~8h is along its length
It is bonded according to certain spacing distance by adhering resin 9, and the surface adhesion of optical fiber 8a~8h has water-proofing powder, meets water
The gap that expansion can be between optical fiber 8a~8h and between fibre ribbon 8 afterwards is filled blocking, avoids intensity of the moisture to optical fiber
It is impacted with decaying.For the utility model fibre ribbon 8 compared with the Boping shape fibre ribbon of traditional parallel arranged, section is circle
Shape structure solves the problems, such as that directionality limits conventional optical fiber ribbon by bending, i.e. the good bandability along ribbon thickness direction, and
Bendability along ribbon width direction is poor.The utility model fibre ribbon 8 has preferable bending resistance, not direction by bending
The limitation of variation, avoid optical fiber attenuation it is bigger than normal or unstable caused by line signal failure.And optical fiber in the utility model
8 structure size of band is easy regulation and control, to meet the requirement of large range of density of optic fibre and cable outer diameter.
Number of fibers in the utility model in fibre ribbon 8 is not limited to number of fibers shown in Fig. 4 and Fig. 5, can basis
The structure size of actual needs and skeleton grooves 5, is arranged the shape of the fibre ribbon 8 of different number of fibers and coiling and molding, ensures
Match with skeleton grooves 5.
Fig. 6 is the structural schematic diagram of subelement 7.Figure neutron cells 7 include 10 fibre ribbons 8, and each fibre ribbon 8 is twisted with spiral
The mode of conjunction forms circular cross-section and is wrapped up by fibre ribbon binder 10 and fixed, and forms subelement 7.The material of fibre ribbon binder 10
Material composition can be polyethylene, polyethylene terephthalate or polyamide.The thickness of fibre ribbon binder 10 is generally 0.03mm
~0.1mm, width 1.0mm~10mm, shape are not limited to band-like or linear fiber wrapping line.In the utility model
The quantity of fibre ribbon 8 is not limited to shown in Fig. 6 10, can carry out reasonable selection setting as needed.
Fig. 7 is the structural schematic diagram of fiber unit 6.Fiber unit 6 includes 4 subelements 7 in figure, between each subelement 7
Circular cross-section is formed in such a way that spiral is twisted, then wraps up and fixes through subelement binder 11, form fiber unit 6.It is sub single
First binder 11 is identical as the material of fibre ribbon binder 10 composition and shape thicknesses.The number of subelement 7 in the utility model
Amount is not limited to 4 shown in fig. 7, can carry out reasonable selection setting as needed.
Optical cable shown in the utility model legend includes five skeleton grooves 5, and the fiber unit 6 in each skeleton grooves 5 wraps
Four subelements 7 are included, each subelement 7 includes ten fibre ribbons 8, and each fibre ribbon 8 includes eight optical fiber 8a~8h, therefore this
Cable Core Number shown in utility model legend is 1600 cores.It the utility model Cable Core Number but is not limited to shown in legend, has
Body core number can be rationally arranged according to actual demand according to the method that the utility model illustrates.
The utility model is not limited to above-described embodiment, on the basis of technical solution disclosed by the utility model, this
For the technical staff in field according to disclosed technology contents, not needing performing creative labour can be special to some of which technology
Sign makes some and replaces and deform, these are replaced and deformation is within the protection scope of the present utility model.
Claims (10)
1. a kind of slotted core cable, including skeleton, and it is coated on the waterstop of skeleton periphery, extrude optical cable shield on the outside of waterstop
Set, which is characterized in that the skeleton grooves for being circumferentially with equidistantly distributed of the skeleton, skeleton grooves are interior to be equipped with fiber unit；It is described
Frame center is embedded with reinforcer, and skeleton grooves are axially distributed in SZ types along reinforcer；
The fiber unit includes the subelement formed in such a way that spiral is twisted by several fibre ribbons, if the fibre ribbon by
Dry optical fiber is bonded solidification connection by adhering resin by adjacent sequential and successively along perpendicular to fiber length winding and by wrapping
Band is wrapped up to be formed；Circular cross-section and the shape after binder wrapping is fixed are formed between the subelement in such a way that spiral is twisted
At fiber unit.
2. a kind of slotted core cable according to claim 1, which is characterized in that the waterstop is by polyester matrix and Qi Biao
The water-proofing powder of face attachment is constituted；The surface adhesion of several optical fiber has water-proofing powder；The water-proofing powder is starch or polyacrylate.
3. a kind of slotted core cable according to claim 2, which is characterized in that the skeleton grooves add with skeleton for integral type
Work is molded, and the cross section of skeleton grooves is class sector structure；
Under the width of area S2, skeleton grooves shared by the area S1 and fiber unit of skeleton grooves and the ratio W/D of depth meet
When formula, optical cable can reach water permeability resistance energy and bending resistance；
0.6≤S2/S1≤0.8；1.5≤W/D≤2.5
In formula, W is the width of skeleton grooves, and D is the depth of skeleton grooves.
4. a kind of slotted core cable according to claim 1, which is characterized in that adhering resin is to connect along fiber length
Continuous distribution, or intermittent distribution at equal intervals.
5. a kind of slotted core cable according to claim 1, which is characterized in that the waterstop is wrapped in a helical pattern
In the outside of skeleton, and there is the lap width of 2~4mm.
6. a kind of slotted core cable according to claim 1, which is characterized in that the thickness of the binder be 0.03mm~
0.1mm, width are 1.0mm~10mm, and the shape of the binder is not limited only to band-like, or wraps up line for linear fiber.
7. a kind of slotted core cable according to claim 6, which is characterized in that the material of the binder be polyethylene,
Polyethylene terephthalate or polyamide.
8. a kind of slotted core cable according to claim 1, which is characterized in that the skeleton is hard resin material, is adopted
With makrolon, polybutylene terephthalate (PBT) or high density polyethylene.
9. a kind of slotted core cable according to claim 1, which is characterized in that the reinforcer is metal or non-metallic material
Material, the metal material are phosphating steel wire, stainless steel wire or steel strand wires；The nonmetallic materials are fibre reinforced composites
FRP, aramid fiber reinforcing optical cable reinforced core KFRP or basalt fiber reinforced resin BFRP.
10. a kind of slotted core cable according to claim 1, which is characterized in that the cable jacket is polyethylene or Buddhist nun
Imperial material extrudes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820052288.0U CN207799177U (en) | 2018-01-12 | 2018-01-12 | A kind of slotted core cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820052288.0U CN207799177U (en) | 2018-01-12 | 2018-01-12 | A kind of slotted core cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207799177U true CN207799177U (en) | 2018-08-31 |
Family
ID=63271603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820052288.0U Expired - Fee Related CN207799177U (en) | 2018-01-12 | 2018-01-12 | A kind of slotted core cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207799177U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061951A (en) * | 2018-01-12 | 2018-05-22 | 西安西古光通信有限公司 | A kind of slotted core fiber ribbon cable |
| CN113826034A (en) * | 2019-03-29 | 2021-12-21 | 康宁研究与开发公司 | Optical fiber cable with parallel ribbon units |
-
2018
- 2018-01-12 CN CN201820052288.0U patent/CN207799177U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061951A (en) * | 2018-01-12 | 2018-05-22 | 西安西古光通信有限公司 | A kind of slotted core fiber ribbon cable |
| CN108061951B (en) * | 2018-01-12 | 2023-09-22 | 西安西古光通信有限公司 | Skeleton type optical fiber ribbon optical cable |
| CN113826034A (en) * | 2019-03-29 | 2021-12-21 | 康宁研究与开发公司 | Optical fiber cable with parallel ribbon units |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20200112 |