CN217060591U - Optical fiber ribbon cable - Google Patents
Optical fiber ribbon cable Download PDFInfo
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- CN217060591U CN217060591U CN202221498485.8U CN202221498485U CN217060591U CN 217060591 U CN217060591 U CN 217060591U CN 202221498485 U CN202221498485 U CN 202221498485U CN 217060591 U CN217060591 U CN 217060591U
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Abstract
The utility model provides a ribbon optical cable, include: the optical fiber ribbon, the first filling band, the loose tube, the second filling band, the steel tape armor layer and the outer sheath. The outer sheath is made of PE materials, so that the ribbon cable has a low friction coefficient, can be smoothly laid even in a complex laying environment, can penetrate through a bent angle and can be laid in a narrow space. Moreover, because the outer sheath is embedded with the fiber reinforced composite material rod along the extending direction of the optical fiber ribbon, the toughness of the optical fiber ribbon can be increased, and the tensile force with higher strength can be borne, so that the condition of fracture in the laying process is prevented. The ribbon cable can be widely applied to places such as data centers, buildings and the like.
Description
Technical Field
The utility model relates to an optical cable technical field especially relates to a ribbon optical cable.
Background
Ribbon cables are a type of construction suitable for high core count cables. It has two major advantages: firstly, the optical fibers are high in concentration in the optical cable, and the core number of the optical fibers is much larger than that of a common optical cable when the diameter of the optical cable is the same; and secondly, the optical fiber is convenient to weld, and because a plurality of optical fibers are combined into the optical fiber ribbon, one optical fiber ribbon can be welded at one time, great convenience is brought to construction engineering. Optical fiber ribbon cables are widely used in metropolitan area networks, and particularly in access networks.
With The rise of The house property industry and The development of Fiber To The Home (FTTH), as well as The rise of services such as data center construction and 5G network propulsion, The demand of places such as data centers and buildings for The ribbon Fiber cables is increasing day by day, which not only ensures The high-capacity transmission of The ribbon Fiber cables, but also ensures The wiring space of The ribbon Fiber cables and The convenience of wiring construction.
However, the existing ribbon cable cannot be laid in a complex laying environment due to a large friction coefficient, and has an embarrassing situation that the cable cannot be laid in a narrow space of a plurality of corridors, so that the ribbon cable cannot be widely applied to places such as data centers and buildings.
SUMMERY OF THE UTILITY MODEL
The utility model provides a ribbon optical cable for solve the defect that exists among the prior art, realize ribbon optical cable and lay environment and narrow and small space at the complicacy and lay.
The utility model provides a ribbon optical cable, include: the optical fiber ribbon, the first filling belt, the loose tube, the second filling belt, the steel belt armor layer and the outer sheath;
the loose tube is sleeved outside the optical fiber ribbon, and the optical fiber ribbon and the loose tube are filled through the first filling belt;
the steel tape armor layer is coated on the outer side of the loose tube, and the steel tape armor layer and the loose tube are filled through the second filling belt;
the outer sheath covers the outer side of the steel strip armor layer, is made of PE materials and is embedded with a fiber reinforced composite rod along the extending direction of the optical fiber ribbon.
According to the utility model provides a pair of ribbon optical cable, the fibre reinforced composite pole with extending direction is parallel.
According to the utility model provides a ribbon optical cable, first packing area and/or second packing area includes water blocking material.
According to the utility model provides a pair of ribbon optical cable, the steel band armor layer includes stainless steel material.
According to the utility model provides a pair of ribbon optical cable, the coefficient of friction of PE material is less than 0.1.
According to the utility model provides a pair of ribbon cable, the optical fiber ribbon includes a plurality ofly.
According to the utility model provides a pair of ribbon optical cable, the loose tube includes the PBT pipe.
According to the utility model provides a pair of ribbon cable, ribbon cable's optical cable density includes 6 cores/mm 2 。
According to the utility model provides a pair of ribbon cable, ribbon cable's external diameter includes 8 mm.
According to the utility model provides a pair of ribbon optical cable, ribbon optical cable is applied to the network wiring between building, the network wiring between data center or the network wiring between building and data center.
The utility model provides a ribbon cable, include: the optical fiber ribbon, the first filling band, the loose tube, the second filling band, the steel tape armor layer and the outer sheath. The outer sheath is made of PE materials, so that the ribbon cable has a low friction coefficient, can be smoothly laid even in a complex laying environment, can penetrate through a bent angle and can be laid in a narrow space. Moreover, because the outer sheath is embedded with the fiber reinforced composite material rod along the extending direction of the optical fiber ribbon, the toughness of the optical fiber ribbon can be increased, and the tensile force with higher strength can be borne, so that the condition of fracture in the laying process is prevented. The ribbon cable can be widely applied to places such as data centers, buildings and the like.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that other drawings can be obtained by those skilled in the art without inventive efforts.
Fig. 1 is a schematic structural diagram of a ribbon cable provided by the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings in the present invention will be combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Because current ribbon cable is meetting comparatively complicated laying environment, because coefficient of friction is great itself, can't lay, to some comparatively narrow and small spaces of corridor, have the awkward situation that can't lay wire moreover, make ribbon cable can't be applied to places such as data center, building. Therefore, the embodiment of the utility model provides an optical cable of banding.
Fig. 1 is a schematic structural diagram of an optical fiber ribbon cable provided in an embodiment of the present invention, as shown in fig. 1, the optical fiber ribbon cable includes: the optical fiber ribbon comprises an optical fiber ribbon 1, a first filling tape 2, a loose tube 3, a second filling tape 4, a steel tape armor layer 5 and an outer sheath 6;
the loose tube 3 is sleeved outside the optical fiber ribbon 1, and the optical fiber ribbon 1 and the loose tube 3 are filled through the first filling belt 2;
the steel strip armored layer 5 covers the outer side of the loose tube 3, and the space between the steel strip armored layer 5 and the loose tube 3 is filled through the second filling belt 4;
the outer sheath 6 is coated on the outer side of the steel strip armor layer 5, the outer sheath 6 is made of PE materials, and a fiber reinforced composite material rod 7 is embedded in the outer sheath 6 along the extending direction of the optical fiber ribbon 1.
Specifically, the embodiment of the utility model provides an in the ribbon cable, the optic fibre ribbon 1 that includes in the ribbon cable can be easily tear from, the optic fibre ribbon of high strength, be convenient for construction and transmission capacity are big. The optical fiber ribbon 1 included in the ribbon cable may be one or more, and each optical fiber ribbon 1 may include a plurality of optical fibers. The number of optical fibers contained in the optical fiber ribbon is the number of cores of the optical fiber ribbon.
The loose tube 3 serves to protect the optical fiber ribbon 1 from internal stress and external lateral pressure. The steel-tape armoring layer 5 may be a corrugated steel-tape armoring layer.
The outer sheath 6 can be coated on the outer side of the steel strip armor layer 5, the outer sheath 6 is made of PE (polyethylene) materials, the PE materials have low friction coefficient and are convenient to lay, and the ribbon-shaped optical cable can pass through a bending angle under the assistance of a pipe penetrating tool and is convenient to lay in a small space.
The outer jacket 6 is embedded with a Fiber Reinforced Plastic (FRP) rod along the extending direction of the optical fiber ribbon 1. The extending direction refers to a length direction of the optical fiber ribbon 1, that is, a length direction of the optical fiber ribbon. The FRP rods may be parallel to the extending direction of the optical fiber ribbon 1, or may be prepared in a spiral form inside the outer jacket 6. The number of the FRP rods embedded in the outer sheath 6 may be set as required, and may be one or more, for example, 4.
Because the FRP rod is a high-strength fiber material, the ribbon cable can bear high-strength tension. For example, due to the introduction of the FRP rod, the ribbon cable can bear tension of more than 5000N, the ribbon cable is prevented from being damaged or the transmission performance of the ribbon cable is prevented from being reduced due to the tension in the wiring process, and the fiber breaking risk caused by violent construction of the ribbon cable in the wiring process is solved.
The embodiment of the utility model provides an in provide ribbon cable, include: the optical fiber ribbon, the first filling band, the loose tube, the second filling band, the steel tape armor layer and the outer sheath. The oversheath is the PE material, not only can make ribbon optical cable have lower coefficient of friction, even also can lay smoothly under the complicated environment of laying, can also make ribbon optical cable can pass the bent angle, can lay in narrow and small space. Moreover, because the outer sheath is embedded with the fiber reinforced composite material rod along the extending direction of the optical fiber ribbon, the toughness of the optical fiber ribbon can be increased, and the tensile force with higher strength can be borne, so that the condition of fracture in the laying process is prevented. The ribbon cable can be widely applied to places such as data centers, buildings and the like.
On the basis of the above embodiment, the embodiment of the present invention provides a ribbon cable, wherein the fiber reinforced composite rod is parallel to the extending direction.
Specifically, in the embodiment of the present invention, the FRP rod is parallel to the extending direction of the optical fiber ribbon 1, i.e. parallel to the fiber core of each optical fiber in the optical fiber ribbon 1, so as to facilitate the peeling of the ribbon cable.
In addition to the above embodiments, the present invention provides a ribbon cable, wherein the first filling band and/or the second filling band comprise a water-blocking material.
Specifically, in the embodiment of the present invention, the first filling tape may be a water blocking material, such as a water blocking yarn, so that the optical fiber ribbon 1 can move freely in the loose tube 3, and the water blocking performance of the optical fiber ribbon can also be ensured. The embodiment of the utility model provides an in adopt the water blocking material can have high expansibility. At this time, it can be understood that the first filling tape is the first water blocking tape.
The second filling tape may also be a water blocking material, such as a water blocking yarn, and may also ensure the water blocking performance of the ribbon cable. At this time, it can be understood that the second filling tape is a second water blocking tape.
The first filling belt and the second filling belt can be made of water-blocking materials, so that the water-blocking performance of the ribbon cable can be further improved, and the fact that under 1m of water column, the optical fiber ribbon 1 in the 3m ribbon cable can be free from water leakage within 24 hours can be guaranteed. In this case, the first filling tape and the second filling tape are both water blocking tapes.
On the basis of above-mentioned embodiment, the embodiment of the utility model provides an optical fiber ribbon cable, the steel band armor includes stainless steel material, can guarantee optical fiber ribbon cable's withstand voltage and impact resistance, can bear the impact force more than 10J to can prevent destruction such as mouse in the application environment that optical fiber ribbon cable located.
On the basis of the embodiment, the utility model provides an in the ribbon cable, the coefficient of friction of PE material is less than 0.1, can make ribbon cable satisfy and lay the requirement, guarantees the convenience that ribbon cable worn the pipeline and laid.
It will be appreciated that the coefficient of friction of the PE material can be tested by a tensile machine in conjunction with the application of weights. The friction coefficient μ can be obtained by calculating the formula μ = F/N, where F is the pulling force exerted by the pulling force on the weight and N is the weight of the weight.
On the basis of the above embodiments, the optical fiber ribbon provided in the embodiments of the present invention includes a plurality of optical fiber ribbons, so that the transmission capacity of the optical fiber ribbon can be increased.
On the basis of above-mentioned embodiment, the embodiment of the utility model provides a ribbon cable, the loose tube includes the PBT pipe, has solved ribbon cable and has peeled off and clear up difficult problem at the optical fiber when the construction, can easily peel off out optic fibre from ribbon cable. The embodiment of the utility model provides an in, the PBT pipe of adoption can be dry-type PBT pipe, and its shrink performance is relatively poor, can guarantee that optical fiber ribbon 1 can not lead to the atress because of the shrink of PBT pipe in the ribbon optical cable and attenuate and exceed standard.
On the basis of the above embodiment, the embodiment of the present invention provides a ribbon cable, the optical cable density of which comprises 6 cores/mm 2 The transmission performance of the optical fiber ribbon cable can be improved.
Because the great wiring space that occupies of ribbon cable size among the prior art, for solving the problem that ribbon cable wiring space is big, the embodiment of the utility model provides an in the ribbon cable, ribbon cable's external diameter includes 8mm, so can reduce the wiring space that ribbon cable occupy.
On the basis of the above-mentioned embodiment, the embodiment of the utility model provides an optical ribbon cable, optical ribbon cable's core number includes 288, can guarantee optical ribbon cable's high core number, improves optical ribbon cable's transmission capacity.
On the basis of above-mentioned embodiment, the utility model discloses the ribbon cable that provides in the embodiment, this ribbon cable can be applied to the network wiring between building, the network wiring between data center or the network wiring between building and data center.
On the basis of the above embodiment, the embodiment of the present invention provides a ribbon cable, which can be manufactured by the following steps:
the method comprises the following steps: optical fiber ribbon manufacturing
And (3) installing the colored optical fiber and the water-blocking yarn on an optical fiber pay-off rack, adjusting the pay-off tension to be 0.6-0.8N, and drawing to the optical fiber ribbon machine through a dancing wheel.
Adjusting the temperature of a ribbon merging machine, penetrating optical fibers, drawing to a take-up reel, checking the apparent quality of the ribbon merging machine, checking the ribbon merging size when no visible phenomena such as bamboo joints, pockmarks, stripping and the like exist, and testing the attenuation of the optical fiber ribbon after the ribbon merging machine is taken off.
Step two: loose tube manufacturing
And (2) installing the optical fiber ribbon manufactured in the step one on an optical fiber pay-off rack, adjusting the pay-off tension to be 1-2N, drawing to the head of a plastic sheathing machine, selecting a proper high-expansion water-blocking tape (namely a first water-blocking tape) to be installed on the pay-off rack, and drawing to the head of the plastic sheathing machine through a longitudinal mold wrapping opening for standby.
Opening the plastic extruding machine for temperature control, setting the processing temperature at 230-250 ℃, assembling a proper plastic sleeving mold, after the temperature of the plastic extruding machine meets the requirement, penetrating the optical fiber ribbon and the first water blocking tape into the mold opening, opening the plastic extruding machine to pull out the loose tube, and checking the surface appearance quality and the end face concentricity of the loose tube.
Step three: cabling manufacturing
And (3) installing the loose tube obtained in the step two on a pay-off rack, adjusting pay-off tension to be 3-4N, drawing out to a cabling die orifice for later use, selecting a water-blocking tape and a high-strength stainless steel tape with proper sizes to be installed on the pay-off rack, drawing to the drawing state through a longitudinal wrapping die orifice, and checking the surface lap joint and the outer diameter size of the cable.
Step four: manufacture of outer sheath
Mounting the cable on a pay-off rack, adjusting the pay-off tension to be 10-20N, and pulling out to a machine head for later use;
opening a plastic extruding machine for temperature control, setting the processing temperature at 180-200 ℃, assembling a proper plastic extruding mold, after the temperature of the plastic extruding machine meets the requirement, penetrating the cabling obtained in the step three into mold openings, sequentially penetrating 4 FRP rods through the mold openings on two sides, opening the plastic extruding machine to draw out an optical cable, and checking the surface appearance quality of a product and the concentricity of the end face;
and (5) checking the external dimension of the optical cable and the concentricity of each element on the end face again at the take-up stand, and hanging the optical cable for production after confirming no error.
To sum up, the embodiment of the utility model provides an in the ribbon cable that provides, its size is little, the fibre core is capacious, easy wiring, resistant side pressure, construction are convenient. The transmission unit adopts an optical fiber ribbon which is easy to tear and has high strength, so that the construction is convenient and the transmission capacity is large; then, a PBT pipe is used for protection, and a water blocking material is filled in the PBT pipe to ensure that the optical fiber is not affected with damp; meanwhile, the high-expansion water-blocking material and the high-strength stainless steel band are adopted, so that the impact force of more than 10J can be borne, and the damage of mice and the like in a building can be prevented; the outer sheath is made of low-friction PE materials, the friction coefficient is below 0.1, and the outer sheath can penetrate through more than 15 right-angle bends with the bending radius of 100mm under the assistance of a pipe penetrating tool. In addition, the FRP rod is embedded in the sheath, and the pulling force of more than 5000N can be borne to ensure the pulling in the wiring process of the ribbon optical cable.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A ribbon cable, comprising: the optical fiber ribbon, the first filling tape, the loose tube, the second filling tape, the steel tape armor layer and the outer sheath;
the loose sleeve is sleeved outside the optical fiber ribbon, and the optical fiber ribbon and the loose sleeve are filled through the first filling tape;
the steel tape armoring layer is coated on the outer side of the loose tube, and the steel tape armoring layer and the loose tube are filled through the second filling belt;
the outer sheath covers the outer side of the steel strip armor layer, is made of PE (polyethylene) materials and is embedded with a fiber reinforced composite material rod along the extending direction of the optical fiber ribbon; the friction coefficient of the PE material is less than 0.1.
2. The fiber optic ribbon cable of claim 1, wherein the fiber reinforced composite rods are parallel to the direction of elongation.
3. The ribbon cable of claim 1, wherein the first and/or second filler strip comprises a water blocking material.
4. The fiber optic ribbon cable of claim 1, wherein the steel tape armor layer comprises a stainless steel material.
5. The ribbon cable of claim 1, wherein the optical fiber ribbon comprises a plurality.
6. The optical ribbon cable of claim 1, wherein the loose tube comprises a PBT tube.
7. The ribbon cable of claim 1, wherein the cable density of the ribbon cable comprises 6 cores/mm 2 。
8. The fiber optic ribbon cable of claim 1, wherein an outer diameter of the fiber optic ribbon cable comprises 8 mm.
9. The fiber optic ribbon cable of any one of claims 1-8, wherein the fiber optic ribbon cable is used for inter-building network cabling, inter-data center network cabling, or inter-building and data center network cabling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221498485.8U CN217060591U (en) | 2022-06-16 | 2022-06-16 | Optical fiber ribbon cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221498485.8U CN217060591U (en) | 2022-06-16 | 2022-06-16 | Optical fiber ribbon cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217060591U true CN217060591U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221498485.8U Active CN217060591U (en) | 2022-06-16 | 2022-06-16 | Optical fiber ribbon cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217060591U (en) |
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2022
- 2022-06-16 CN CN202221498485.8U patent/CN217060591U/en active Active
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