CN206038968U - Many pine sleeve pipe transposition central tube optical cables - Google Patents
Many pine sleeve pipe transposition central tube optical cables Download PDFInfo
- Publication number
- CN206038968U CN206038968U CN201620759555.9U CN201620759555U CN206038968U CN 206038968 U CN206038968 U CN 206038968U CN 201620759555 U CN201620759555 U CN 201620759555U CN 206038968 U CN206038968 U CN 206038968U
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- China
- Prior art keywords
- optical cable
- loose
- central tube
- cable
- loose tubes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 64
- 235000008331 Pinus X rigitaeda Nutrition 0.000 title claims abstract description 18
- 235000011613 Pinus brutia Nutrition 0.000 title claims abstract description 18
- 241000018646 Pinus brutia Species 0.000 title claims abstract description 18
- 230000017105 transposition Effects 0.000 title abstract 5
- 239000006071 cream Substances 0.000 claims abstract description 27
- 239000013307 optical fiber Substances 0.000 claims abstract description 23
- 239000000835 fiber Substances 0.000 claims description 47
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 239000003351 stiffener Substances 0.000 claims description 19
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 11
- -1 Polybutylene terephthalate Polymers 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000003086 colorant Substances 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 abstract description 6
- 238000012856 packing Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 description 22
- 150000002736 metal compounds Chemical class 0.000 description 10
- 238000010276 construction Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 241000283984 Rodentia Species 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000013017 mechanical damping Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
Landscapes
- Communication Cables (AREA)
Abstract
The utility model relates to a communications optical cable field, specific many pine sleeve pipe transposition central tube optical cables that says so, including multifiber and a plurality of loose sleeve pipe, the intraductal multifiber that has is overlapped to every pine, and during the multifiber parallel emboliaed loose sleeve pipe, intraductal all packing of every pine cover had fine cream, and the transposition of a plurality of loose sleeve pipes is in the same place, is the pitch of transposition 100mm 120mm, the central point that the optical cable was placed in to a plurality of loose sleeve pipes puts, a plurality of pine cover outside of tubess have a reinforcing member through the spiral layer -stranding, a plurality of pine cover outside of tubess with the reinforcing member sets up the bundle yarn outward, gapped packing cable cream in the reinforcing member, the reinforcing member sets up the outer jacket outward. Form the sleeve pipe of pine more than constitutional unit with a plurality of pine sleeve pipe with constant pitch transposition together, substitute a list pine sleeve pipe of prior art central tube optical cable, improve the number of optical fiber cores of central tube optical cable.
Description
Technical field
This utility model is related to communications optical cable field, the stranded central tube type optical cable of specifically a kind of many Loose tubes.
Background technology
With the sustainable growth of transinformation and broadband services demand, and the needs that fiber to the home is built, little core number
The demand of optical cable is reduced, the increase in demand of high fiber count cable.Central tube type optical cable has compact conformation, good bandability, cable footpath little
The advantages of, but because of only one of which Loose tube, limited by fiber identification chromatograph, fiber number is typically not greater than 12 cores, causes which to make
With limited.When fiber number is more than 12 core, need using complicated fiber bundle technique or optical fiber colour circle technology to distinguish optical fiber,
Production and technique controlling difficulty increase, while be also not easy to difference in engineering continue, so as to have impact on central tube type optical cable
Use.
Existing number of patent application is 2011102400310, applying date 2011.08.22, entitled " improved central tube type
The utility model patent of optical cable ", including cable jacket, be arranged in parallel in the cable jacket have two or more than two it is different
The Loose tube of color, is disposed with the optical fiber of different colours in each described Loose tube, filled with the in each described Loose tube
One blocks water material, and each Loose tube is longitudinally wrapped by metal compound belt, fills out between the Loose tube and the metal compound belt
Block water material filled with second, be arranged in parallel in the cable jacket reinforcement.Above-mentioned patent by be arranged in parallel have two or
The Loose tube of more than two realizes that 12 core above central tube type optical cables are produced, but Loose tube adopts parallel arrangement, nature
State is distributed and saves stranded bundle yarn, prevents Loose tube and each element from constituting an organic whole very well, affects cable configuration
And performance indications and using effect.
The content of the invention
The technical problems to be solved in the utility model is that, in the fiber number for improving central tube type optical cable, performance indications meet
Standard requires that simple and reasonable, production technology is easily controllable, cheap for manufacturing cost simultaneously, and one kind applied widely is more
The stranded central tube type optical cable of Loose tube.
For realizing above-mentioned technical purpose, the technical solution of the utility model is as follows：
A kind of stranded central tube type optical cable of many Loose tubes, it is characterised in that：Including multifiber and multiple Loose tubes, each
There is multifiber in Loose tube, multifiber is parallel to be inserted in Loose tube, filled with fine cream, multiple pine sets in each Loose tube
Pipe is twisted together, and stranded pitch is 100mm-120mm, and multiple Loose tubes are placed in the center of optical cable, multiple Loose tubes
Outer strand by spiral layers has stiffener, and multiple Loose tubes are outer to prick yarn with setting outside the stiffener, in the stiffener
Cable cream is filled in all gaps, arranges outer jacket outside the stiffener.
Preferably, the fine cream is optical fiber filling paste.
Preferably, the Loose tube is polybutylene terephthalate (PBT)（PBT）.
Preferably, the cable cream is the cable cream that blocks water.
Preferably, the stiffener is phosphating steel wire.
Preferably, the sheath is polyethylene sheath material or low-smoke halogen-free flame-retardant sheath material.
Preferably, the optical fiber is single-mode fiber or multimode fibre.
Preferably, the optical fiber has various identification colors.
The utility model has the advantage of：
1st, several Loose tubes are twisted together into composition Loose tube construction unit more than with a constant pitch, is substituted existing
The single Loose tube of technique center tube cable, improves the fiber number of central tube type optical cable.
2nd, several Loose tubes are twisted together into composition Loose tube construction unit more than with a constant pitch, is substituted existing
The single Loose tube of technique center tube cable or two or more than two Loose tubes being arranged in parallel, improving, fiber number is same
When, Loose tube and each element composition organic whole, reinforcing cable configuration and performance indications.
3rd, several Loose tubes are twisted together with a constant pitch and are placed in center, two or two with prior art
Root above Loose tube is arranged in parallel and compares, and controls advantage with excess fiber length, can pass through Loose tube excess fiber length and Loose tube is twisted
Length more than excess fiber length combination control optical cable and optical fibres is closed, controls excess fiber length more convenient, properties of optical fiber cable index is more easy to ensure.
4th, several high intensity phosphating steel wires are stranded in the pine more being made up of several Loose tubes using spiral layers strand mode
Outside sleeve structure unit, Loose tube is tightly wrapped up by phosphating steel wire layer, adds pe sheath layer, makes optical cable possess excellent machine
Tool performance simultaneously, bites characteristic with rodents such as pre- squirrel-preventings.
5th, compared with the vertical bag of metal compound belt, entrainment parallel steel wire jacket structure, the spiral shell tightly wrapped up by pe sheath
Rotation layer twists the phosphating steel wire layer multi-functional such as there is stretch-proof, side pressure, impact and protection against rodents to bite, and saves the vertical bag of metal compound belt
Layer, cable configuration are simpler.
6th, realize that 12 core above central tube type optical cables are produced using existing common production equipment, it is not necessary to fibre bundle or light
Fine colour circle production equipment, controlling of production process are simple, cheap for manufacturing cost.
Description of the drawings
Fig. 1 is this utility model structural representation.
In accompanying drawing：1 optical fiber；2 fine cream；3 Loose tubes；4 phosphating steel wires；5 cable cream；6 prick yarn；7 sheaths.
Specific embodiment
Embodiment 1
A kind of stranded central tube type optical cable of many Loose tubes includes multifiber and multiple Loose tubes, has many in each Loose tube
Root optical fiber, multifiber is parallel to be inserted in Loose tube, and filled with fine cream in each Loose tube, multiple Loose tubes are stranded in one
Rise, stranded pitch is 100mm-120mm, and multiple Loose tubes are placed in the center of optical cable, by spiral outside multiple Loose tubes
Layer is twisted stiffener, and multiple Loose tubes are outer to prick yarn with setting outside the stiffener, and in the stiffener, all gaps are filled out
Cable cream is filled, outer jacket is set outside the stiffener.Several Loose tubes are twisted together with a constant pitch and is constituted more than one
Loose tube construction unit, substitutes the single Loose tube of prior art central tube type optical cable, improves the fiber cores of central tube type optical cable
Number.Several Loose tubes are twisted together into composition Loose tube construction unit more than with a constant pitch, is substituted in prior art
The single Loose tube of heart tube cable or two or more than two Loose tubes being arranged in parallel, are improving fiber number simultaneously, pine
Sleeve pipe and each element composition organic whole, reinforcing cable configuration and performance indications.
Embodiment 2
A kind of stranded central tube type optical cable of many Loose tubes, it is characterised in that：Including multifiber and multiple Loose tubes, each
There is multifiber in Loose tube, multifiber is parallel to be inserted in Loose tube, filled with fine cream, multiple pine sets in each Loose tube
Pipe is twisted together, and stranded pitch is 100mm-120mm, and multiple Loose tubes are placed in the center of optical cable, multiple Loose tubes
Outer strand by spiral layers has stiffener, and multiple Loose tubes are outer to prick yarn with setting outside the stiffener, in the stiffener
Cable cream is filled in all gaps, arranges outer jacket outside the stiffener.
The fine cream is optical fiber filling paste.The Loose tube is polybutylene terephthalate (PBT)（PBT）.The cable cream is
Block water cable cream.The stiffener is high intensity phosphating steel wire.The sheath is that polyethylene sheath material or low-smoke non-halogen flame-retardant are protected
Jacking.The optical fiber is single-mode fiber or multimode fibre.The optical fiber has various identification colors.
Several Loose tubes are twisted together into composition Loose tube construction unit more than with a constant pitch, existing skill is substituted
The single Loose tube of art central tube type optical cable, improves the fiber number of central tube type optical cable.By several Loose tubes necessarily saving
Away from composition Loose tube construction unit more than is twisted together, the single Loose tube of prior art central tube type optical cable or flat is substituted
Two or more than two Loose tubes of row arrangement, are improving fiber number simultaneously, and Loose tube and each element constitute organic whole, by force
Change cable configuration and performance indications.
Several Loose tubes are twisted together with a constant pitch and are placed in center, two or two with prior art
Above Loose tube is arranged in parallel and compares, and controls advantage with excess fiber length, can pass through Loose tube excess fiber length and Loose tube is stranded
It is long more than excess fiber length combination control optical cable and optical fibres, control excess fiber length more convenient, properties of optical fiber cable index is more easy to ensure.
Several high intensity phosphating steel wires are twisted mode and are stranded in using spiral layers and covered by many pines that several Loose tubes are constituted
Outside tubular construction unit, Loose tube is tightly wrapped up by phosphating steel wire layer, adds pe sheath layer, makes optical cable possess excellent machinery
Performance simultaneously, bites characteristic with rodents such as pre- squirrel-preventings.With the vertical bag of metal compound belt, entrainment parallel steel wire sheath knot
Structure is compared, and twists phosphating steel wire layer by the spiral layers that pe sheath is tightly wrapped up and there is stretch-proof, side pressure, impact and protection against rodents to gnaw
The multi-functional such as sting, save the vertical covering of metal compound belt, cable configuration is simpler.12 are realized using existing common production equipment
Core above central tube type optical cable is produced, it is not necessary to fibre bundle or optical fiber colour circle production equipment, and controlling of production process is simple, is manufactured into
This is cheap.
Embodiment 3
It is following in conjunction with the accompanying drawings and embodiments, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used for illustrating this utility model, but is not limited to scope of the present utility model.
As shown in figure 1, this utility model embodiment provides a kind of many Loose tubes stranded central tube type optical cable, including light
Fibre, parallel to be inserted in the Loose tube filled with fine cream, several Loose tubes are twisted together with appropriate pitch, several pine sets
Pipe is placed in center, arranges outside phosphating steel wire layer, several Loose tubes and arrange outside phosphating steel wire layer outside several Loose tubes
Yarn is pricked, and cable cream is filled in all gaps in phosphating steel wire layer, outer jacket is arranged outside phosphating steel wire layer.
The stranded central tube type optical cable of many Loose tubes of this utility model, one is to realize 12 cores using existing common production equipment
Above central tube type optical cable is produced, it is not necessary to fibre bundle or optical fiber colour circle production equipment, and controlling of production process is simple, manufacturing cost
Cheap, construction difference continues conveniently.Two is the single pine set for substituting prior art using several Loose tubes for twisting together
Pipe or two or more than two Loose tubes being arranged in parallel, are improving fiber number simultaneously, and Loose tube and each element composition are organic
It is overall, strengthen cable configuration and performance indications.Three is that several Loose tubes are placed in center so that a constant pitch is stranded, and existing
Two that have technology or more than two Loose tubes are arranged in parallel and compare, and control advantage with excess fiber length, can pass through Loose tube light
It is long more than long combination control optical cable and optical fibres more than fine remaining long and Loose tube twisting fibers, control excess fiber length more convenient, properties of optical fiber cable
Index is more easy to ensure.The Loose tube being arranged in parallel can only pass through Loose tube excess fiber length and control length more than optical cable and optical fibres, not over
Grow to control long condition more than optical cable and optical fibres more than Loose tube twisting fibers.Four is that several high intensity phosphating steel wires adopt spiral layers
Strand mode is stranded in outside Loose tube, and Loose tube is tightly wrapped up by phosphating steel wire layer, adds pe sheath layer, possesses optical cable excellent
Good mechanical performance simultaneously, bites characteristic with rodents such as pre- squirrel-preventings.Five is flat with the vertical bag of metal compound belt, entrainment
Row steel wire jacket structure is compared, and is twisted phosphating steel wire layer by the spiral layers that pe sheath is tightly wrapped up and is had stretch-proof, side pressure, punching
Hit and the multi-functional such as protection against rodents bites, save the vertical covering of metal compound belt, cable configuration is simpler.So as to cable configuration letter
Single reasonable, production technology is easily controlled, cheap for manufacturing cost, applied widely.
Optical cable adopts central tubular structure, including optical fiber, fine cream, Loose tube, phosphating steel wire, cable cream, sheath etc..By difference
The single-mode fiber or multimode fibre of identification color is inserted in Loose tube, and the fine cream of continuous filling thixotropic in Loose tube, so that light
Fibre preferably can be protected in Loose tube.Loose tube adopts polybutylene terephthalate (PBT)（PBT）Extrude, with to optical fiber
Play mechanical damping protective effect.Several Loose tubes are twisted together with appropriate pitch, and several Loose tubes are placed in centre bit
Put.Phosphating steel wire layer is set outside several Loose tubes, and phosphating steel wire twists mode with one-way spiral layer and is stranded in outside Loose tube, some
Arrange outside individual Loose tube and outside phosphating steel wire layer and prick yarn, cable cream, phosphating steel wire layer peripheral hardware are filled in all gaps in phosphating steel wire layer
Put restrictive coating.Restrictive coating adopts black polyethylene material, jacket thickness minima to be not less than 1.5mm.
The stranded central tube type optical cable of many Loose tubes of this utility model, one is to realize 12 cores using existing common production equipment
Above central tube type optical cable is produced, it is not necessary to fibre bundle or optical fiber colour circle production equipment, and controlling of production process is simple, manufacturing cost
Cheap, construction difference continues conveniently.Two is the single pine set for substituting prior art using several Loose tubes for twisting together
Pipe or two or more than two Loose tubes being arranged in parallel, are improving fiber number simultaneously, and Loose tube and each element composition are organic
It is overall, strengthen cable configuration and performance indications.Three is that several Loose tubes are placed in center so that a constant pitch is stranded, and existing
Two that have technology or more than two Loose tubes are arranged in parallel and compare, and control advantage with excess fiber length, can pass through Loose tube light
It is long more than long combination control optical cable and optical fibres more than fine remaining long and Loose tube twisting fibers, control excess fiber length more convenient, properties of optical fiber cable
Index is more easy to ensure.The Loose tube being arranged in parallel can only pass through Loose tube excess fiber length and control length more than optical cable and optical fibres, not over
Grow to control long condition more than optical cable and optical fibres more than Loose tube twisting fibers.Four is that several high intensity phosphating steel wires adopt spiral layers
Strand mode is stranded in outside Loose tube, and Loose tube is tightly wrapped up by phosphating steel wire layer, adds pe sheath layer, possesses optical cable excellent
While good mechanical performance, bite characteristic with rodents such as pre- squirrel-preventings.Five are and the vertical bag of metal compound belt, entrainment
Parallel steel wire jacket structure is compared, the spiral layers tightly wrapped up by pe sheath twist phosphating steel wire layer have stretch-proof, side pressure,
Impact and protection against rodents bite and wait multi-functional, save metal compound belt and indulge covering, and cable configuration is simpler.So as to cable configuration
Advantages of simple, production technology are easily controlled, cheap for manufacturing cost, applied widely.
Claims (7)
1. the stranded central tube type optical cable of a kind of many Loose tubes, it is characterised in that：Including multifiber and multiple Loose tubes, each pine
There is multifiber in sleeve pipe, multifiber is parallel to be inserted in Loose tube, filled with fine cream, multiple Loose tubes in each Loose tube
Twist together, stranded pitch is 100mm-120mm, and multiple Loose tubes are placed in the center of optical cable, outside multiple Loose tubes
Being twisted by spiral layers has stiffener, and multiple Loose tubes are outer to prick yarn, institute in the stiffener with setting outside the stiffener
There is gap filling cable cream, outer jacket is set outside the stiffener.
2. the stranded central tube type optical cable of a kind of many Loose tubes according to claim 1, it is characterised in that：The fine cream is light
Fine filling paste.
3. the stranded central tube type optical cable of a kind of many Loose tubes according to claim 2, it is characterised in that：The Loose tube is
Polybutylene terephthalate (PBT).
4. the stranded central tube type optical cable of a kind of many Loose tubes according to claim 3, it is characterised in that：The cable cream is resistance
Water cable cream.
5. the stranded central tube type optical cable of a kind of many Loose tubes according to claim 4, it is characterised in that：The stiffener
For phosphating steel wire.
6. the stranded central tube type optical cable of a kind of many Loose tubes according to claim 5, it is characterised in that：The optical fiber is single
Mode fiber or multimode fibre.
7. the stranded central tube type optical cable of a kind of many Loose tubes according to claim 6, it is characterised in that：The optical fiber has
Various identification colors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620759555.9U CN206038968U (en) | 2016-07-19 | 2016-07-19 | Many pine sleeve pipe transposition central tube optical cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620759555.9U CN206038968U (en) | 2016-07-19 | 2016-07-19 | Many pine sleeve pipe transposition central tube optical cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206038968U true CN206038968U (en) | 2017-03-22 |
Family
ID=58309983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620759555.9U Expired - Fee Related CN206038968U (en) | 2016-07-19 | 2016-07-19 | Many pine sleeve pipe transposition central tube optical cables |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206038968U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107797205A (en) * | 2017-11-28 | 2018-03-13 | 胡阳 | A kind of FTTx optical cables |
| CN112198603A (en) * | 2020-09-11 | 2021-01-08 | 铜陵市铜都特种线缆有限公司 | Double-core flat optical cable and processing technology thereof |
| CN114721101A (en) * | 2022-02-25 | 2022-07-08 | 江苏俊知光电通信有限公司 | Layer-stranded optical cable and preparation method thereof |
-
2016
- 2016-07-19 CN CN201620759555.9U patent/CN206038968U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107797205A (en) * | 2017-11-28 | 2018-03-13 | 胡阳 | A kind of FTTx optical cables |
| CN112198603A (en) * | 2020-09-11 | 2021-01-08 | 铜陵市铜都特种线缆有限公司 | Double-core flat optical cable and processing technology thereof |
| CN114721101A (en) * | 2022-02-25 | 2022-07-08 | 江苏俊知光电通信有限公司 | Layer-stranded optical cable and preparation method thereof |
| CN114721101B (en) * | 2022-02-25 | 2024-05-14 | 江苏俊知光电通信有限公司 | Layer-twisted optical cable and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 614200 nine Li Town, Mount Emei, Leshan, Sichuan Patentee after: Sichuan Lefei Photoelectric Technology Co.,Ltd. Address before: 614200 nine Li Town, Mount Emei, Leshan, Sichuan Patentee before: CHANGFEI OPTICAL FIBER OPTICAL CABLE SICHUAN CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |