CN220252238U - Square indoor and outdoor optical fiber ribbon cable - Google Patents
Square indoor and outdoor optical fiber ribbon cable Download PDFInfo
- Publication number
- CN220252238U CN220252238U CN202321437208.0U CN202321437208U CN220252238U CN 220252238 U CN220252238 U CN 220252238U CN 202321437208 U CN202321437208 U CN 202321437208U CN 220252238 U CN220252238 U CN 220252238U
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- Prior art keywords
- optical fiber
- fiber ribbon
- cable
- units
- water blocking
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 230000000903 blocking effect Effects 0.000 claims abstract description 35
- 230000003287 optical effect Effects 0.000 claims abstract description 27
- 239000000835 fiber Substances 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 7
- 239000010410 layer Substances 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000012790 adhesive layer Substances 0.000 claims description 5
- 239000004760 aramid Substances 0.000 claims description 5
- 229920003235 aromatic polyamide Polymers 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Light Guides In General And Applications Therefor (AREA)
Abstract
The utility model provides an indoor and outdoor optical fiber ribbon cable of square, includes the oversheath and sets up cable core structure in the oversheath, cable core structure includes central water blocking unit and radial arrangement in proper order a plurality of circular optical fiber ribbon units and a plurality of tight cover optical cable unit in the central water blocking unit outside. The utility model can solve the problems of poor stability, small tensile resistance, small transmission capacity and unstable transmission of the traditional indoor and outdoor optical cable in the use process.
Description
Technical Field
The utility model relates to an indoor/outdoor optical cable, in particular to a square indoor/outdoor optical fiber ribbon optical cable, and belongs to the technical field of optical communication.
Background
The current 5G network environment provides higher requirements for the indoor and outdoor optical cables in the aspects of large transmission capacity, high transmission stability, large bandwidth, long transmission distance and the like.
The traditional indoor and outdoor optical cables are mostly single-core or double-core in structure, and have the problems of poor stability, small tensile resistance, small transmission capacity and unstable transmission performance in the actual use process.
In order to match the above-mentioned needs, there is a need to technically improve the tensile strength and the transmission stability and diversity of the conventional indoor and outdoor optical cables, and most importantly, to meet the requirement of the access of the micro optical cable, because the small-sized access will greatly save space, and at the same time, ensure the transmission capacity.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a square indoor and outdoor optical fiber ribbon cable which can solve the problems of poor stability, small tensile resistance, small transmission capacity and unstable transmission of the traditional indoor and outdoor optical fiber cable in the use process.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides an indoor and outdoor optical fiber ribbon cable of square, includes the oversheath and sets up cable core structure in the oversheath, cable core structure includes central water blocking unit and radial arrangement in proper order a plurality of circular optical fiber ribbon units and a plurality of tight cover optical cable unit in the central water blocking unit outside.
Optionally, the central water blocking unit comprises an FRP core and a water blocking tape wrapped outside the FRP core.
Optionally, an adhesive layer is arranged outside the FRP core and is used for being fixedly connected with the water blocking belt.
Optionally, the circular optical fiber ribbon unit includes a resin and an optical fiber ribbon cured therein.
Optionally, the tight sleeve optical cable unit comprises an optical fiber, a tight sleeve, aramid yarns and an inner sheath which are sequentially coated from an inner layer to an outer layer.
Optionally, the outer sheath is a square LSZH outer sheath; the inner sheath is a yellow LSZH inner sheath.
Optionally, the number of the round optical fiber ribbon units and the tight-buffered optical cable units is four, the four round optical fiber ribbon units are symmetrically distributed around the central water blocking unit, the round optical fiber ribbon units are tightly attached to the central water blocking unit, and a space exists between the round optical fiber ribbon units; four tight buffered cable units are disposed about the periphery of all of the circular fiber optic ribbon units and tangentially between two adjacent circular fiber optic ribbon units.
Optionally, a filler is further arranged in the outer sheath, and the filler comprises water-blocking yarns.
Compared with the prior art, the square indoor and outdoor optical fiber ribbon cable provided by the utility model has at least the following advantages:
the square indoor and outdoor optical fiber ribbon cable of the utility model forms a cable core structure by arranging the central water blocking unit, the round optical fiber ribbon unit and the tight sleeve optical cable unit, thereby realizing the reinforcement of the tensile and torsional strength of the cable, increasing the transmission capacity, stabilizing the transmission and prolonging the service life, and being applicable to the access of various indoor and outdoor occasions.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic view of a square indoor and outdoor optical fiber ribbon cable according to an embodiment of the present utility model.
Fig. 2 is a schematic structural view of an optical fiber ribbon cable for indoor and outdoor use according to another embodiment of the present utility model.
The meaning of the reference signs in the figures indicates:
1-an outer sheath; 2-a cable core structure; 21-a central water blocking unit; 211-FRP core; 2111-an adhesive layer; 212-a water blocking tape; 22-a circular fiber ribbon unit; 221-resin; 222-optical fiber ribbon; 23-tight-buffered cable units; 231-optical fiber; 232-tightly sleeving; 233-aramid yarn; 234-an inner sheath; 24-filling.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
Example 1
Fig. 1 shows a schematic structure of a preferred embodiment 1 of the present utility model, in which a square indoor and outdoor optical fiber ribbon cable includes an outer sheath 1 and a cable core structure 2 disposed in the outer sheath 1, the cable core structure 2 includes a central water blocking unit 21, and a plurality of circular optical fiber ribbon units 22 and a plurality of tight-buffered optical fiber cable units 23 sequentially radially disposed outside the central water blocking unit 21.
The square indoor and outdoor optical fiber ribbon cable of embodiment 1 is based on the round optical fiber ribbon unit 22, which can reduce the size on the one hand and realize the indoor access stealth effect on the other hand; the water seepage problem can be solved by using the central water blocking unit 21, and the tensile resistance is improved; the outer layer of the cable core structure 2 is tightly sleeved with the optical cable unit 23, so that the transmission capacity is increased while the strength of the optical cable is enhanced, the service life of the optical cable is prolonged, and the optical cable is extremely suitable for the complex indoor and outdoor environments in the future.
In the embodiment of the present embodiment 1, the central water blocking unit 21 includes an FRP core 211 and a water blocking tape 212 wound around the outside of the FRP core 211.
The FRP core 211 is arranged in the center of the cable core structure 2, and the structure of the water blocking belt 212 is wrapped outside the FRP core, so that the internal water blocking effect is guaranteed, and the tensile property of the optical cable is optimized from the root.
In the specific embodiment of this embodiment 1, an adhesive layer 2111 is provided on the outside of the FRP core 211 for fixing with the water blocking tape 212. The FRP core 211 provided with the adhesive layer 2111 further strengthens the integrity of the central water blocking unit 21, facilitates the mutual fusion of the anti-seepage function of the water blocking tape 212 and the reinforcing function of the FRP core 211, and enlarges the combined effect.
In the embodiment of the present embodiment 1, the circular optical fiber ribbon unit 22 includes a resin 221 and an optical fiber ribbon 222 cured therein.
The optical fiber ribbon 222 is cured by the resin 221, so that the size is reduced, the space is saved, and the indoor invisible effect can be achieved by adopting the resin 221 curing ribbon structure.
In a specific implementation manner of this embodiment 1, the tight-buffered optical cable unit 23 includes an optical fiber 231, a tight-buffered optical fiber 232, an aramid yarn 233 and an inner sheath 234 that are sequentially coated from an inner layer to an outer layer.
The inner sheath 234 and the tight sleeve 232 construct a composite outer protection structure of the optical fiber 231, and simultaneously the aramid yarn 233 in the tight sleeve 232 increases the tensile force to realize the inner protection effect, thereby obtaining excellent tensile and bending resistance and increasing the transmission capacity.
In a specific implementation manner of this embodiment 1, the outer sheath 1 is a square LSZH outer sheath; the inner sheath 234 is a yellow LSZH inner sheath.
The outer sheath 1 adopts square appearance design, has good torsion resistance, can furthest promote the tension and torsion of the optical cable, and can effectively solve the problem of poor tension in the prior art. The LSZH material promotes the environmental protection and flame retardance of the inner sheath 234 and the outer sheath 1.
In the specific embodiment of this embodiment 1, the number of the circular optical fiber ribbon units 22 and the tight-buffered optical cable units 23 is four, the four circular optical fiber ribbon units 22 are symmetrically distributed around the central water blocking unit 21, the circular optical fiber ribbon units 22 are closely attached to the central water blocking unit 21, and spaces exist between the circular optical fiber ribbon units 22; four tight-buffered cable units 23 are arranged around the periphery of all circular fiber optic ribbon units 22 and tangentially between two adjacent circular fiber optic ribbon units 22.
Example 2
In another embodiment 2 shown in fig. 2, a square indoor and outdoor optical fiber ribbon cable in the figure comprises an outer sheath 1 and a cable core structure 2 arranged in the outer sheath 1, wherein the cable core structure 2 comprises a central water blocking unit 21, a plurality of round optical fiber ribbon units 22 and a plurality of tight-buffered optical fiber cable units 23 which are sequentially and radially arranged outside the central water blocking unit 21. The specific implementation of the outer sheath 1, the central water blocking unit 21, the circular optical fiber ribbon unit 22 and the tight-buffered optical cable unit 23 are the same as those of the embodiment 1, except that in the present embodiment 2, the filler 24 is further disposed in the outer sheath 1, and the filler 24 includes a water blocking yarn.
The embodiment 2 and the embodiment 1 can achieve the same technical effects, and the cable core structure 2 can be positioned and protected against water by using different fillers 24.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, but any simple modification and equivalent variation of the above embodiment according to the technical spirit of the present utility model falls within the scope of the present utility model.
Claims (8)
1. The utility model provides an indoor external optical fiber ribbon optical cable of square, includes the oversheath and sets up cable core structure in the oversheath, characterized by: the cable core structure comprises a central water blocking unit, a plurality of round optical fiber ribbon units and a plurality of tight sleeve optical cable units, wherein the round optical fiber ribbon units and the tight sleeve optical cable units are sequentially and radially arranged outside the central water blocking unit.
2. The square indoor and outdoor optical fiber ribbon cable according to claim 1, wherein: the central water blocking unit comprises an FRP core and a water blocking tape wrapped outside the FRP core.
3. A square indoor and outdoor optical fiber ribbon cable according to claim 2, wherein: and an adhesive layer is arranged outside the FRP core and is used for being fixedly connected with the water blocking belt.
4. A square indoor and outdoor optical fiber ribbon cable according to claim 3, wherein: the circular optical fiber ribbon unit includes a resin and an optical fiber ribbon cured therein.
5. The square indoor and outdoor optical fiber ribbon cable according to claim 4, wherein: the tight sleeve optical cable unit comprises an optical fiber, a tight sleeve, aramid yarns and an inner sheath which are sequentially coated from an inner layer to an outer layer.
6. The square indoor and outdoor optical fiber ribbon cable according to claim 5, wherein: the outer sheath is a square LSZH outer sheath; the inner sheath is a yellow LSZH inner sheath.
7. A square indoor and outdoor optical fiber ribbon cable according to any of claims 1 to 6, wherein: the number of the round optical fiber ribbon units and the number of the tight sleeve optical cable units are four, the four round optical fiber ribbon units are symmetrically distributed around the central water blocking unit, the round optical fiber ribbon units are tightly attached to the central water blocking unit, and intervals are reserved among the round optical fiber ribbon units; four tight buffered cable units are disposed about the periphery of all of the circular fiber optic ribbon units and tangentially between two adjacent circular fiber optic ribbon units.
8. The square indoor and outdoor optical fiber ribbon cable according to claim 7, wherein: and a filler is further arranged in the outer sheath, and the filler comprises water-blocking yarns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321437208.0U CN220252238U (en) | 2023-06-07 | 2023-06-07 | Square indoor and outdoor optical fiber ribbon cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321437208.0U CN220252238U (en) | 2023-06-07 | 2023-06-07 | Square indoor and outdoor optical fiber ribbon cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220252238U true CN220252238U (en) | 2023-12-26 |
Family
ID=89265500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321437208.0U Active CN220252238U (en) | 2023-06-07 | 2023-06-07 | Square indoor and outdoor optical fiber ribbon cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220252238U (en) |
-
2023
- 2023-06-07 CN CN202321437208.0U patent/CN220252238U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A square indoor and outdoor optical fiber ribbon cable Granted publication date: 20231226 Pledgee: Bank of China Limited Weihai Wendeng sub branch Pledgor: HONGAN GROUP Co.,Ltd. Registration number: Y2024980027848 |