CN209690576U - A kind of high-density optical-fiber band layer-stranding cable - Google Patents
A kind of high-density optical-fiber band layer-stranding cable Download PDFInfo
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- CN209690576U CN209690576U CN201920581894.6U CN201920581894U CN209690576U CN 209690576 U CN209690576 U CN 209690576U CN 201920581894 U CN201920581894 U CN 201920581894U CN 209690576 U CN209690576 U CN 209690576U
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Abstract
The utility model relates to a kind of high-density optical-fiber band layer-stranding cables, it include oversheath and layer-twisted type cable core, it is characterized in that the layer-twisted type cable core is twisted by polygon Loose tube, the polygon Loose tube is flat 8 side shape Loose tube, is coated with the fibre ribbon stacked in the flat 8 side shape Loose tube.The utility model may make the inner space of casing to maximize under identical size, improves the fine capacity and space utilization rate of optical cable, realizes the high density large core number of optical cable；Specific Loose tube arrangement mode, enables polygon Loose tube to form regular round cable core, avoids wasting space, realize common process stranding sheath；Dry type flexible thin type casing can be peeled off without tool with hand, and so as to carry out lineation and termination to ribbon fiber more quickly, the installation speed than conventional high core number optical cable is fast by 30%.Advantages of simple is arranged in the cable structure, convenient for laying and uses.It lays and uses particularly suitable for indoor large data center.
Description
Technical field
The utility model relates to a kind of high-density optical-fiber band layer-stranding cables, belong to optic communication transmission technique field.
Background technique
With constantly universal and data center the continuous development of optical fiber transmission, high density high fiber count cable is proposed more
High requirement.The especially large-scale use environment such as aggregate data center, high density high fiber count cable, which seems, to be even more important.It is comprehensive
Property data center apparatus is many kinds of, substantial amounts, and external interface is also very more, and this requires more transmission channels, and
As the optical cable of indoor application, space be again lay have to consider an important factor for one of, therefore in a limited space in mention
High density of optic fibre is one of most important target.The existing optical cable there are many structure in the prior art, but the core number of optical fiber
It is still ideal not to the utmost with density, the quantity of large-scale data center interface up to thousands of or more, traditional small core number optical cable without
Method meets these requirements, therefore just seems very heavy for indoor comprehensive data center offer high density high fiber count cable
It wants.
Utility model content
It is a kind of high the technical problem to be solved by the utility model is to provide in view of the deficiency of the prior art
Density of optical fibers band layer-stranding cable, its structure is simple, density is high, convenient using laying.
The utility model is the technical solution for solving the problems, such as use set forth above are as follows: outside including oversheath and being coated on
Layer-twisted type cable core in sheath, it is characterised in that the layer-twisted type cable core is twisted by polygon Loose tube, and described is more
The shape Loose tube when shape Loose tube is flat 8 is coated with the fibre ribbon stacked in the flat 8 side shape Loose tube.
According to the above scheme, described flat 8 while shape Loose tube be cross section it is symmetrical flat 8 while shape Loose tube.
According to the above scheme, the core number of described every fibre ribbon is 8 ~ 24 cores, and fibre ribbon stacks across or flat 8 side
Shape is coated in Loose tube.
According to the above scheme, the oversheath radial section is circle, and the flat 8 side shape Loose tube is in oversheath
The heart lays 1 ~ 2 layer；The flat 8 side shape Loose tube circumferentially close-packed arrays and deflect an angle.
According to the above scheme, the flat 8 side shape Loose tube is flexible thin type Loose tube, is made of PVC.
According to the above scheme, center reinforcemen is provided in the cable core, the flat 8 side shape Loose tube is stranded in center
The periphery of reinforcer.
According to the above scheme, the flat 8 side shape Loose tube is laid with water-blocking component, is dry type Loose tube.
According to the above scheme, it is provided with water blocking yarn in the cable core, cable core is coated with water blocking layer.
According to the above scheme, reinforcer is installed in the oversheath.
According to the above scheme, the fibre ribbon every unique identification code of setting, to realize rapidly and efficiently easily identification
And welding.
According to the above scheme, the oversheath is made of PE or LSZH.
The utility model has the beneficial effects that: 1, a kind of optical cable with specific flat 8 side shape Loose tube is provided so that
Arrangement between casing is even closer, may make the inner space of casing to maximize under identical size, improves the fibre of optical cable
Capacity and space utilization rate realize the high density large core number of optical cable；2, specific sleeve arrangement mode, so that polygonal cannulation
Regular round cable core can be formed, wasting space is avoided, realizes common process stranding sheath；3, dry type flexible thin type casing
It can be peeled off with hand without tool, it is higher than conventional so as to carry out lineation and termination to ribbon fiber more quickly
The installation speed fast 30% of core number optical cable.4, structure setting advantages of simple lays material water-proof material between casing, laid outside cable core plus
Strong element ensure that the normal block-water performance and tensile property of optical cable, reduce the outer diameter of optical cable, convenient for laying and use.Especially
It is suitable for the laying of indoor large data center and uses.
Detailed description of the invention
Fig. 1 is the radial cutaway view of the utility model one embodiment.
Fig. 2 is the radial cutaway view of another embodiment of the utility model.
Specific embodiment
The embodiments of the present invention are further illustrated with reference to the accompanying drawing.
One embodiment is as shown in Figure 1, include oversheath 7 and the layer-twisted type cable core that is coated in oversheath, outer shield
Covering radial section is circle, and the layer-twisted type cable core is twisted by polygon Loose tube, and the polygon Loose tube is
The symmetrical flat 8 side shape Loose tube 4 in cross section, the flat 8 side shape Loose tube are flexible thin type Loose tube, are made of PVC, described
Flat 8 side shape Loose tube in be coated with the fibre ribbon 3 stacked, fibre ribbon stacks across, the fibre ribbon including 12 16 cores
It include the optical fiber of 288 cores in every Loose tube with the fibre ribbon of each 68 cores in cross both ends, each light in Loose tube
Fibre ribbons have unique identification code, to realize rapidly and efficiently easily identification and welding management.In being provided in the cable core
Heart reinforcer 5, the flat 8 side shape Loose tube are one layer 6 peripheries for being stranded in center reinforcemen, and circumferentially close-packed arrays are simultaneously
The angle of one 30 ~ 40 ° of deflection constitutes the high density optical cable of 1728 cores.It is laid with water blocking yarn in flat 8 side shape Loose tube, is complete
Dry type Loose tube is placed with four water blocking yarns 2 in center reinforcemen, is surrounded by waterstop 1, cable core outer cladding outside twisted casing
There is water blocking layer 1, outermost layer is oversheath 7, and reinforcer 8 is installed in the oversheath, and oversheath is fire-retardant oversheath, outer shield
Covering diameter is about 25mm.In addition, being additionally provided with out hawser 6 in oversheath, the stripping and disagreement of oversheath can be convenient for.
Second embodiment as shown in Fig. 2, it and upper one embodiment the difference is that cable core is twisted by 2 layer loose sleeves
It closes, middle part non-stop layer reinforcer, installs 3 flat 8 side shape Loose tubes, the second layer is twisted 9 flat 8 side shape Loose tubes, and 9 flat
8 when shape Loose tube close-packed arrays are coated on first layer 3 flat 8 shape Loose tube periphery, fibre ribbon stacks knot in Loose tube
Structure and density are identical as upper one embodiment, and water blocking yarn 2 is equipped between each Loose tube.Other structures and upper one embodiment phase
Together.The high density optical cable of 3456 cores is constituted, oversheath is fire-retardant oversheath, and oversheath diameter is about 32mm.
Claims (10)
- The layer-twisted type cable core that 1. a kind of high-density optical-fiber band layer-stranding cable includes oversheath and is coated in oversheath, It is characterized in that the layer-twisted type cable core is twisted by polygon Loose tube, the polygon Loose tube is flat 8 side shape pine Casing is coated with the fibre ribbon stacked in the flat 8 side shape Loose tube.
- 2. high-density optical-fiber according to claim 1 band layer-stranding cable, it is characterised in that the flat 8 side shape Loose tube is The symmetrical flat 8 side shape Loose tube in cross section.
- 3. high-density optical-fiber band layer-stranding cable as described in claim 1 or 2, it is characterised in that the every fibre ribbon Core number is 8 ~ 24 cores, and fibre ribbon stacks across or flat 8 side shape, is coated in Loose tube.
- 4. high-density optical-fiber band layer-stranding cable as described in claim 1 or 2, it is characterised in that the oversheath is radially cut Face is circle, and the flat 8 side shape Loose tube lays 1 ~ 2 layer around oversheath center；The flat 8 side shape Loose tube is circumferentially Close-packed arrays simultaneously deflect an angle.
- 5. high-density optical-fiber band layer-stranding cable as described in claim 1 or 2, it is characterised in that the flat 8 side shape pine set Pipe is flexible thin type Loose tube, is made of PVC.
- 6. high-density optical-fiber band layer-stranding cable as described in claim 1 or 2, it is characterised in that be provided in the cable core Center reinforcemen, the flat 8 side shape Loose tube are stranded in the periphery of center reinforcemen.
- 7. high-density optical-fiber band layer-stranding cable as described in claim 1 or 2, it is characterised in that the flat 8 side shape pine set Pipe is laid with water-blocking component, is dry type Loose tube.
- 8. high-density optical-fiber band layer-stranding cable as described in claim 1 or 2, it is characterised in that be provided in the cable core Water blocking yarn, cable core are coated with water blocking layer.
- 9. high-density optical-fiber band layer-stranding cable as described in claim 1 or 2, it is characterised in that installed in the oversheath There is reinforcer, the oversheath is made of PE or LSZH.
- 10. high-density optical-fiber band layer-stranding cable as described in claim 1 or 2, it is characterised in that the fibre ribbon every Unique identification code is set, to realize rapidly and efficiently easily identification and welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920581894.6U CN209690576U (en) | 2019-04-26 | 2019-04-26 | A kind of high-density optical-fiber band layer-stranding cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920581894.6U CN209690576U (en) | 2019-04-26 | 2019-04-26 | A kind of high-density optical-fiber band layer-stranding cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209690576U true CN209690576U (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920581894.6U Active CN209690576U (en) | 2019-04-26 | 2019-04-26 | A kind of high-density optical-fiber band layer-stranding cable |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020238934A1 (en) * | 2019-05-28 | 2020-12-03 | 长飞光纤光缆股份有限公司 | Flexible optical fiber ribbon loose tube optical cable |
| CN112731602A (en) * | 2020-12-23 | 2021-04-30 | 宏安集团有限公司 | Multi-rubber-wire branch leading-in armored optical cable |
| CN113341520A (en) * | 2021-06-01 | 2021-09-03 | 长飞光纤光缆股份有限公司 | Central beam tube type large-core-number ribbon optical cable |
| CN115840274A (en) * | 2023-01-09 | 2023-03-24 | 江苏中天科技股份有限公司 | Ribbon optical cable |
-
2019
- 2019-04-26 CN CN201920581894.6U patent/CN209690576U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020238934A1 (en) * | 2019-05-28 | 2020-12-03 | 长飞光纤光缆股份有限公司 | Flexible optical fiber ribbon loose tube optical cable |
| CN112731602A (en) * | 2020-12-23 | 2021-04-30 | 宏安集团有限公司 | Multi-rubber-wire branch leading-in armored optical cable |
| CN113341520A (en) * | 2021-06-01 | 2021-09-03 | 长飞光纤光缆股份有限公司 | Central beam tube type large-core-number ribbon optical cable |
| CN115840274A (en) * | 2023-01-09 | 2023-03-24 | 江苏中天科技股份有限公司 | Ribbon optical cable |
| CN115840274B (en) * | 2023-01-09 | 2023-09-22 | 江苏中天科技股份有限公司 | Optical ribbon cable |
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