CN114594558A - Optical fiber ribbon optical cable with internal winding structure - Google Patents
Optical fiber ribbon optical cable with internal winding structure Download PDFInfo
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- CN114594558A CN114594558A CN202210336185.8A CN202210336185A CN114594558A CN 114594558 A CN114594558 A CN 114594558A CN 202210336185 A CN202210336185 A CN 202210336185A CN 114594558 A CN114594558 A CN 114594558A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4403—Optical cables with ribbon structure
- G02B6/4404—Multi-podded
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Abstract
The invention belongs to the technical field of optical cables, and discloses an optical fiber ribbon cable with an inward-rolling structure, which is provided with a pipeline body (1), a plurality of optical fiber ribbons (22) and a plurality of inward-rolling structures, wherein the pipeline body (1) is internally provided with a pipeline inner cavity (10), and the optical fiber ribbon cable is characterized in that each inward-rolling structure consists of an outer clamp body and an inner clamp body, a clamp cavity (112) is formed between the outer clamp body and the inner clamp body, and the outer clamp body and the inner clamp bodies extend from the inner wall of the pipeline body to the pipeline inner cavity (10); the optical fiber ribbon is arranged in each clamp body cavity, the other end of the outer clamp body and the other end of the inner clamp body in each inner rolling structure are not in contact with the adjacent inner rolling structure, the outer clamp body is close to the inner wall of the pipeline body, the inner clamp body is far away from the inner wall of the pipeline body, the tearing opening (13) is located on the outer wall of the pipeline body outside the clamp body cavity, and the other end of the inner rolling structure is open. This application has following beneficial technological effect: the structure is simple, the manufacture is easy, the production speed is faster, the fiber core degree is higher, and the inspection/construction is more convenient and faster.
Description
Technical Field
The invention belongs to the technical field of optical cables, and discloses an optical fiber ribbon optical cable with an inward-rolling structure.
Background
With the rapid development of the communication industry, the demand of high-fiber-core-density optical fiber ribbon cables is increasing day by day. The optical fiber ribbon cable is generally an optical fiber cable with a large number of cores, the application amount in a trunk network and an inter-city network is large, and operators purchase optical fiber ribbon cables with tens of millions of cores and kilometers every year.
However, the optical fiber ribbon cable in the prior art is mainly of a layer stranded type, a central beam tube type and a framework type, the layer stranded type fiber core has high density, but expensive optical fiber ribbon large sleeve production equipment and expensive SZ stranding equipment are needed, and the equipment is expensive, the processes are multiple, and the production speed is low. The central beam tube type also needs optical fiber ribbon large sleeve production equipment, the diameter of the loose sleeve is continuously increased along with the increase of the number of the optical fiber ribbons, the quality of the produced loose sleeve is unstable, and the whole loose sleeve is scrapped due to the fact that small defects exist in production. The framework type requires expensive equipment and occupies a large area. The threshold is extremely high for ordinary investors or individuals.
CN111785428A discloses a power cable having a pipe body, first to fifth power conductors; the pipeline is characterized in that the pipeline body is formed by splicing a first wall body, a second wall body, a third wall body and a fourth wall body, one end of the upper wall body is spliced on the outer surface of the lower wall body in a clockwise or anticlockwise direction, the other end of the upper wall body is spliced on the inner surface of the lower wall body, and a cavity is arranged between the inner surface of the upper wall body and the outer surface of the lower wall body; the power transmission body is positioned in the cavity. The application also discloses a pipeline for the power cable. It has the following main beneficial effects: the structure is simpler, the cost is lower, the assembly and the disassembly are convenient, the shielding performance is better, the heat dissipation effect is better, and the placement is more stable and reliable. The structure of the product is reduced and the heat dissipation effect of the cable is improved by splicing the conductors with the moon-shaped cross sections.
CN111933333A discloses a cable with row conductors, which has a carrier and three power conductors, and is characterized in that the carrier is formed by a closed annular wall body, a carrying cavity is formed inside the annular wall body, three supporting bodies are arranged inside the carrying cavity, one end of each supporting body is connected to the inner wall of the annular wall body, a supporting cavity is formed inside each supporting body, the other end of each supporting body is not in contact with other supporting bodies, and the power conductors are located in the supporting cavities; the power transmission body is a row-shaped bare conductor or a complex body formed by the row-shaped bare conductor and an insulating sleeve coated outside the row-shaped bare conductor; or the power conductors are replaced by a plurality of optical fibers. It has the following main beneficial effects: the structure is simpler, the production is easy, the multipurpose, the cost is lower, the heat dissipation effect is better, and the placement is more stable and reliable. The support is a closed and straight rod-like structure, and the capacity or compactness (also called core density) of the optical fiber cannot be further improved.
CN113625404A discloses an easy-to-peel optical fiber ribbon cable having a housing case, first to fifth optical fiber ribbon units; the device is characterized in that the accommodating shell is composed of a first protection unit, a second protection unit, a third protection unit and a fourth protection unit; the protection units are internally provided with accommodating cavities, the optical fiber ribbon units are positioned in the accommodating cavities, the width of the outer ends of the accommodating cavities is the minimum, the optical fiber ribbon units cannot escape from the accommodating cavities under the normal condition, the protection units are mutually inclined and connected, and the bending directions of all the protection units are consistent, namely clockwise or anticlockwise; the connecting parts of all the protection units enclose a pentagonal central cavity in the center. It has the following main beneficial effects: the structure is more compact, the material consumption is less, the cost is lower, the stripping and the separation are more convenient, the heat dissipation effect is more excellent, and the test and the construction are more convenient. Its protection unit opening is located the outside, and the fibre optic ribbon is located inside the protection unit and is sealed by the opening of protection unit, the length space of unable expanded fibre optic ribbon, and the chamber that holds wherein is not originated from the inner wall of first protective layer moreover, so hold the length in chamber limited, can't further improve fibre core density.
Therefore, the industry is expected to solve the technical problems so as to improve the density of the fiber core and reduce the admission threshold of the industry.
Disclosure of Invention
In order to solve the above problems, the present invention discloses an optical fiber ribbon cable with an inner winding structure, which is implemented by the following technical solutions.
An optical fiber ribbon optical cable with an inward rolling structure comprises a pipeline body, a plurality of optical fiber ribbons and a plurality of inward rolling structures, wherein a plurality of tearing openings are formed in the outer wall of the pipeline body; the inner rolling structure is a curved arc-shaped structure, an optical fiber ribbon is arranged in each clamp body cavity, the other end of an outer clamp body and the other end of the inner clamp body in each inner rolling structure are not in contact with the adjacent inner rolling structure, the outer clamp body is close to the inner wall of the pipeline body, the inner clamp body is far away from the inner wall of the pipeline body, the tearing opening is located on the outer wall of the pipeline body outside the clamp body cavity, and the other end of the inner rolling structure is open.
The optical fiber ribbon cable with the inward-rolling structure is characterized in that the optical fiber ribbon is distributed in a bending manner in the clamp body cavity.
The optical fiber ribbon cable with the inward rolling structure is characterized in that the length of the optical fiber ribbon is larger than that of the clamp body cavity, and in each inward rolling structure, the optical fiber ribbon extends out of the other end of the outer clamp body and the optical fiber ribbon extends out of the other end of the inner clamp body.
An optical fiber ribbon optical cable with an inward rolling structure comprises a pipeline body, a plurality of optical fiber ribbons and a plurality of inward rolling structures, wherein a plurality of tearing openings are formed in the outer wall of the pipeline body; the interior book structure is straight structure, and every clamp intracavity all has an optical fiber ribbon or many optical fiber ribbons of placing with range upon range of mode, and the other end of the outer clamp in every interior book structure and the other end of interior clamp all do not contact with adjacent interior book structure, and outer clamp is close to the inner wall of pipeline body, and the inner wall of pipeline body is kept away from to interior clamp, and the tear opening is located the outer wall of the pipeline body outside the clamp chamber, and the other end of interior book structure is the open-ended.
The optical fiber ribbon cable with the inward rolling structure is characterized in that the length of the optical fiber ribbon is larger than that of the clamp body cavity, and in each inward rolling structure, the optical fiber ribbon extends out of the other end of the outer clamp body and the optical fiber ribbon extends out of the other end of the inner clamp body.
The optical fiber ribbon cable with the inward-rolling structure is characterized in that the cross section of the internal space part enclosed by the inward-rolling structures is a regular polygon.
An optical fiber ribbon optical cable with an inward rolling structure comprises a pipeline body, a plurality of optical fiber ribbons and a plurality of inward rolling structures, wherein a plurality of tearing openings are formed in the outer wall of the pipeline body; the interior book structure is straight structure, every clamp intracavity all has an at least optical fiber ribbon, the other end of the outer clamp in every interior book structure contacts with one in the adjacent interior book structure, the other end of the outer clamp in every interior book structure does not contact with adjacent interior book structure, outer clamp is close to the inner wall of pipeline body, the inner wall of pipeline body is kept away from to interior clamp, the tear opening is located the outer wall of the pipeline body outside the clamp chamber, the other end of interior book structure is the open-ended.
The optical fiber ribbon cable with the inward rolling structure is characterized in that the length of the optical fiber ribbon is larger than that of the clamp body cavity, and in each inward rolling structure, the optical fiber ribbon extends out of the other end of the inner clamp body.
The optical fiber ribbon cable with the inward-rolling structure is characterized in that the optical fiber ribbons are distributed in the clamp body cavity in a straight manner.
The optical fiber ribbon cable with the inward-winding structure is characterized in that the cross section of the inner space part surrounded by the inward-winding structures is a regular polygonal star shape.
The optical fiber ribbon cable with the inward rolling structure is characterized in that the pipeline body and the inward rolling structure are of an integrated structure.
The optical fiber ribbon cable with the inward-rolling structure is characterized in that the pipeline body and the inward-rolling structure are preferably made of plastic or metal and are formed by extruding plastic or casting.
The optical fiber ribbon cable with the inward-rolling structure is characterized in that the optical fiber is a single-mode optical fiber or a multi-mode optical fiber.
The optical fiber ribbon cable with the inward-rolling structure is characterized in that the type of the optical fiber is G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b, A1c, A1d or A1 e.
The application has the following main beneficial technical effects: the structure is simple, the manufacture is easy, the production speed is faster, the fiber core degree is higher, and the inspection/construction is more convenient and faster.
Drawings
Fig. 1 is a schematic perspective view of a dissected segment of the example 1.
Fig. 2 is an enlarged cross-sectional structure diagram of fig. 1.
Fig. 3 is a schematic perspective view of a dissected segment of the example 2.
Fig. 4 is an enlarged cross-sectional structure of fig. 3.
Fig. 5 is a schematic cross-sectional structure diagram of embodiment example 3.
In the figure: 1-pipeline body, 10-pipeline inner cavity, 11-outer clamp, 12-inner clamp, 13-tearing opening, 21-optical fiber, 22-optical fiber band, 112-clamping cavity.
Detailed Description
Examples 1
Referring to fig. 1 and 2, an optical fiber ribbon cable with an inward-rolling structure includes a conduit body 1, three optical fiber ribbons 22, and three inward-rolling structures, where three tears 13 are formed on an outer wall of the conduit body 1, the optical fiber ribbons 22 have a plurality of optical fibers 21 therein, and a conduit cavity 10 is formed inside the conduit body 1, and each inward-rolling structure is composed of an outer clamp 11 and an inner clamp 12, a cavity 112 is formed between the outer clamp 11 and the inner clamp 12, and the outer clamp 11 and the inner clamp 12 extend from an inner wall of the conduit body 1 to the conduit cavity 10; the inner rolling structure is a curved arc-shaped structure, the three optical fiber ribbons 22 are respectively positioned in the three clamping body cavities 112, the other end of the outer clamping body 11 and the other end of the inner clamping body 12 in each inner rolling structure are not contacted with the adjacent inner rolling structure, the outer clamping body 11 is close to the inner wall of the pipeline body 1, the inner clamping body 12 is far away from the inner wall of the pipeline body 1, the tearing opening 13 is positioned on the outer wall of the pipeline body 1 outside the clamping body cavities 112, and the other end of the inner rolling structure is open.
One such ribbon cable having an inner wrap configuration is described above wherein the ribbons 22 are distributed in a curved configuration within the jacket cavity 112.
The optical fiber ribbon cable with the inward rolling structure is characterized in that the length of the optical fiber ribbon 22 is larger than that of the clamp cavity 112, and in each inward rolling structure, the optical fiber ribbon 22 extends out of the other end of the outer clamp body 11 and the optical fiber ribbon 22 extends out of the other end of the inner clamp body 12.
In this embodiment, the optical fiber ribbons 22 are not limited to three optical fiber ribbons 22 and three inner winding structures, but may be other optical fiber ribbons 22 and corresponding inner winding structures.
Compare in prior art, first to third supporter other end confined structure, in this application, the other end of interior volume structure is open-ended, and its beneficial effect is: the ribbon is movable within the clamp cavity 112 and expands the number of optical fibers in the ribbon, increasing the core density of the optical fibers, while reducing the material usage of the inner wrap structure, such that the optical fiber ribbon 22 within the clamp cavity 112 will not escape from the clamp cavity 112 even if not fully wrapped due to the definition of the adjacent inner wrap structures and the curved clamp cavity 112.
Compared with the prior art, the length of the inner-rolling structure in the application can be greatly shortened, the consumption of materials can be saved,
the inner wrap configuration is a curved configuration that increases the length of the clamp cavity 112, thereby increasing the length of the ribbon 22, increasing the number of optical fibers in the ribbon, and increasing the core density of the optical fibers, as compared to the prior art.
EXAMPLES example 2
Referring to fig. 3 and 4, an optical fiber ribbon cable with an inward-rolling structure includes a conduit body 1, a plurality of optical fiber ribbons 22, and four inward-rolling structures, where four tears 13 are formed on an outer wall of the conduit body 1, a plurality of optical fibers 21 are provided in the optical fiber ribbons 22, and a conduit cavity 10 is provided inside the conduit body 1, and each inward-rolling structure is composed of an outer clamp 11 and an inner clamp 12, a cavity 112 is formed between the outer clamp 11 and the inner clamp 12, and the outer clamp 11 and the inner clamp 12 extend from an inner wall of the conduit body 1 to the conduit cavity 10; the inner rolling structure is a straight structure, two optical fiber ribbons 22 arranged in a stacking mode are arranged in each clamp cavity 112, the other end of the outer clamp body 11 and the other end of the inner clamp body 12 in each inner rolling structure are not in contact with the adjacent inner rolling structure, the outer clamp body 11 is close to the inner wall of the pipeline body 1, the inner clamp body 12 is far away from the inner wall of the pipeline body 1, the tearing opening 13 is located on the outer wall of the pipeline body 1 outside the clamp cavity 112, and the other end of the inner rolling structure is open.
One type of ribbon cable having an inner wrap configuration as described above is characterized by ribbons 22 that are distributed in a straight configuration within the clamp cavity 112.
The optical fiber ribbon cable with the inward rolling structure is characterized in that the length of the optical fiber ribbon 22 is larger than that of the clamp cavity 112, and in each inward rolling structure, the optical fiber ribbon 22 extends out of the other end of the outer clamp body 11 and the optical fiber ribbon 22 extends out of the other end of the inner clamp body 12.
In this embodiment, the optical fiber ribbons 22 are not limited to eight optical fiber ribbons, four inner winding structures, but may be other optical fiber ribbons 22 and corresponding inner winding structures.
In this embodiment, the number of optical fiber ribbons 22 in the clamp cavity 112 is not limited to two, and may be one or more; at least one fiber optic ribbon 22 within each clamp cavity 112; the plurality of optical fiber ribbons 22 within the clamp cavity 112 form a ribbon body.
Compare in prior art supporter other end confined structure, in this application, the other end of interior volume structure is open-ended, and its beneficial effect is: the ribbon is movable within the clamp cavity 112, and the number of optical fibers in the ribbon is increased, increasing the core density of the optical fibers, while reducing the material usage of the inner wrap structure, and the ribbon 22 within the clamp cavity 112 will not escape from the clamp cavity 112 even if not fully wrapped due to the limitations of the adjacent inner wrap structures and the limitations of the inner and outer clamps.
The presence of multiple layers of the ribbon in the clamp cavity 112 increases the number of ribbons 22 and the number of optical fibers in the clamp cavity 112 compared to prior art ribbons, which increases the core density of the optical fibers.
In this embodiment, the cross section of the inner space portion surrounded by the plurality of inner wrap structures is a polygon, preferably a regular polygon.
EXAMPLE 3
Referring to fig. 5 and fig. 1 to 4, an optical fiber ribbon cable with an inward rolling structure includes a conduit body 1, five optical fiber ribbons 22, and five inward rolling structures, where five tears 13 are formed on an outer wall of the conduit body 1, the optical fiber ribbons 22 have a plurality of optical fibers 21 therein, and the conduit body 1 has a conduit inner cavity 10 therein, and is characterized in that each inward rolling structure is composed of an outer clamp 11 and an inner clamp 12, a clamping cavity 112 is formed between the outer clamp 11 and the inner clamp 12, and the outer clamp 11 and the inner clamp 12 both extend from an inner wall of the conduit body 1 to the conduit inner cavity 10; the inner rolling structure is a straight structure, an optical fiber ribbon 22 is arranged in each clamp cavity 112, the other end of the outer clamp body 11 in each inner rolling structure is in contact with one of the adjacent inner rolling structures, the other end of the outer clamp body 12 in each inner rolling structure is not in contact with the adjacent inner rolling structure, the outer clamp body 11 is close to the inner wall of the pipeline body 1, the inner clamp body 12 is far away from the inner wall of the pipeline body 1, the tearing opening 13 is positioned on the outer wall of the pipeline body 1 outside the clamp cavity 112, and the other end of the inner rolling structure is open.
One type of ribbon cable having an inner wrap configuration as described above is characterized by ribbons 22 that are distributed in a straight configuration within the clamp cavity 112.
A ribbon cable having an inner wrap configuration as described above, wherein the length of the optical fiber ribbon 22 is greater than the length of the jacket cavity 112, and wherein the optical fiber ribbon 22 extends beyond the other end of the inner jacket 12 in each inner wrap configuration.
In this embodiment, the optical fiber ribbons 22 are not limited to five optical fiber ribbons 22 and five inner winding structures, but may be other optical fiber ribbons 22 and corresponding inner winding structures.
In this embodiment, the optical fiber ribbon 22 in the clamp cavity 112 is not limited to one, but may be a plurality of ribbons; at least one fiber optic ribbon 22 within each clamp cavity 112; the plurality of optical fiber ribbons 22 within the clamp cavity 112 form a ribbon body.
Compare in prior art supporter other end confined structure, in this application, the other end of interior volume structure is open-ended, and its beneficial effect is: the ribbon is movable within the clamp cavity 112, and the number of optical fibers in the ribbon is increased, increasing the core density of the optical fibers, while reducing the material usage of the inner wrap structure, and the ribbon 22 within the clamp cavity 112 will not escape from the clamp cavity 112 even if not fully wrapped due to the limitations of the adjacent inner wrap structures and the limitations of the inner and outer clamps.
In this embodiment, the cross section of the inner space portion surrounded by the plurality of inner wrap structures is a polygonal star shape, preferably a regular polygonal star shape.
In this embodiment, the portion of the optical fiber ribbon extending out of the clamp cavity is restrained by the outer clamp body 12 of the adjacent inner winding structure, so that the structure is relatively stable.
In this application, pipeline body 1, interior book structure are the integral type structure.
In the present application, the duct body, the inner wrap structure is preferably plastic or metal, formed by extrusion or casting.
The optical fiber ribbon in the application is an optical fiber ribbon specified in the communication industry standard YD/T981 of the people's republic of China.
The optical fiber in this application is a single mode optical fiber or a multimode optical fiber.
The type of the optical fiber in the application is G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b, A1c, A1d or A1 e.
In the application, the pipeline body and the inner rolling structure are formed by material or casting, the production speed is high, the cost is low, expensive ribbon optical fiber loose tube production machines are not needed, corresponding fields are not needed, and corresponding labor, electric power, illumination and maintenance are not needed, so that the cost is greatly saved, purchased or produced optical fiber ribbons can be directly placed in a sheath extruding machine for production, and the process is simplified; compared with the optical fiber ribbon cable of the common layer stranding process, the production speed/delivery speed is improved by more than 200 percent, the requirements of equipment investment and personnel skill are obviously reduced, and the threshold of entry is reduced, if a loose sleeve structure is adopted, each loose sleeve production equipment needs more than 150 million yuan RMB, the length of the loose sleeve production equipment is at least 60 meters, and the width of the loose sleeve production equipment is at least 5 meters; each SZ stranded cable former formed by stranding a plurality of loose tubes also needs more than 50 million RMB; after the structure of the application is adopted, the equipment is not needed, the field is not needed, the sheath plastic protection equipment only needs more than 20 million for a small S60 plastic extruding machine, the second-hand equipment only needs 10 million yuan RMB and brand-new equipment, the occupied length of the equipment is only about 20 meters, and the occupied width of the equipment is only about 3 meters, so that the threshold of access is greatly reduced, and common individuals can also be produced; the loose tube does not need to be preserved, and the occupation of the field and the cost of preservation are reduced; when in use, the tearing opening 13 is scratched or cut down by hand or a simple tool to reach the clamping cavity 112, the internal optical fiber ribbon can be taken out, so that the inspection, construction and connection are convenient, and meanwhile, the replacement is convenient when the local part is damaged.
Therefore, the application has the following main beneficial technical effects: the structure is simple, the manufacture is easy, the production speed is faster, the fiber core degree is higher, and the inspection/construction is more convenient and faster.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limiting the present invention. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (10)
1. An optical fiber ribbon cable with an inward rolling structure comprises a pipeline body (1), a plurality of optical fiber ribbons (22) and a plurality of inward rolling structures, wherein a plurality of tearing openings (13) are formed in the outer wall of the pipeline body (1), a plurality of optical fibers (21) are arranged in the optical fiber ribbons (22), and a pipeline inner cavity (10) is formed in the pipeline body (1), and the optical fiber ribbon cable is characterized in that each inward rolling structure consists of an outer clamp body (11) and an inner clamp body (12), a cavity (112) is formed between the outer clamp body (11) and the inner clamp body (12), and the outer clamp body (11) and the inner clamp body (12) extend from the inner wall of the pipeline body (1) to the pipeline inner cavity (10); the inner rolling structure is a bent arc-shaped structure, an optical fiber ribbon (22) is arranged in each clamp body cavity (112), the other end of an outer clamp body (11) and the other end of an inner clamp body (12) in each inner rolling structure are not in contact with the adjacent inner rolling structure, the outer clamp body (11) is close to the inner wall of the pipeline body (1), the inner clamp body (12) is far away from the inner wall of the pipeline body (1), the tearing opening (13) is located on the outer wall of the pipeline body (1) outside the clamp body cavity (112), and the other end of the inner rolling structure is open.
2. The fiber optic ribbon cable having an inner wrap configuration of claim 1, wherein the fiber optic ribbons (22) are distributed in a curved configuration within the clamp cavity (112).
3. The optical fiber ribbon cable having an inner-winding structure according to claim 2, wherein the optical fiber ribbon (22) has a length greater than that of the clamp cavity (112), and in each inner-winding structure, the optical fiber ribbon (22) is extended from the other end of the outer clamp body (11) and the optical fiber ribbon (22) is extended from the other end of the inner clamp body (12); the pipeline body (1) and the inward rolling structure are of an integrated structure.
4. An optical fiber ribbon cable with an inward rolling structure comprises a pipeline body (1), a plurality of optical fiber ribbons (22) and a plurality of inward rolling structures, wherein a plurality of tearing openings (13) are formed in the outer wall of the pipeline body (1), a plurality of optical fibers (21) are arranged in the optical fiber ribbons (22), and a pipeline inner cavity (10) is formed in the pipeline body (1), and the optical fiber ribbon cable is characterized in that each inward rolling structure consists of an outer clamp body (11) and an inner clamp body (12), a cavity (112) is formed between the outer clamp body (11) and the inner clamp body (12), and the outer clamp body (11) and the inner clamp body (12) extend from the inner wall of the pipeline body (1) to the pipeline inner cavity (10); the inner rolling structure is a straight structure, one optical fiber ribbon (22) or a plurality of optical fiber ribbons (22) placed in a stacking mode are arranged in each clamp body cavity (112), the other end of an outer clamp body (11) and the other end of an inner clamp body (12) in each inner rolling structure are not in contact with the adjacent inner rolling structure, the outer clamp body (11) is close to the inner wall of the pipeline body (1), the inner clamp body (12) is far away from the inner wall of the pipeline body (1), the tearing opening (13) is located on the outer wall of the pipeline body (1) outside the clamp body cavity (112), and the other end of the inner rolling structure is open.
5. The optical fiber ribbon cable having an inner-winding structure according to claim 4, wherein the optical fiber ribbon (22) has a length greater than that of the clamp cavity (112), and in each inner-winding structure, the optical fiber ribbon (22) is extended from the other end of the outer clamp body (11) and the optical fiber ribbon (22) is extended from the other end of the inner clamp body (12).
6. The optical fiber ribbon cable having an inner winding structure according to claim 5, wherein a cross section of an inner space portion surrounded by the plurality of inner winding structures is a regular polygon; the pipeline body (1) and the inward rolling structure are of an integrated structure.
7. An optical fiber ribbon cable with an inward rolling structure comprises a pipeline body (1), a plurality of optical fiber ribbons (22) and a plurality of inward rolling structures, wherein a plurality of tearing openings (13) are formed in the outer wall of the pipeline body (1), a plurality of optical fibers (21) are arranged in the optical fiber ribbons (22), and a pipeline inner cavity (10) is formed in the pipeline body (1), and the optical fiber ribbon cable is characterized in that each inward rolling structure consists of an outer clamp body (11) and an inner clamp body (12), a cavity (112) is formed between the outer clamp body (11) and the inner clamp body (12), and the outer clamp body (11) and the inner clamp body (12) extend from the inner wall of the pipeline body (1) to the pipeline inner cavity (10); the inner rolling structure is a straight structure, at least one optical fiber ribbon (22) is arranged in each clamp body cavity (112), the other end of an outer clamp body (11) in each inner rolling structure is in contact with one of adjacent inner rolling structures, the other end of an outer clamp body (12) in each inner rolling structure is not in contact with the adjacent inner rolling structures, the outer clamp body (11) is close to the inner wall of the pipeline body (1), the inner clamp body (12) is far away from the inner wall of the pipeline body (1), the tearing opening (13) is formed in the outer wall of the pipeline body (1) outside the clamp body cavity (112), and the other end of the inner rolling structure is open.
8. The fiber optic ribbon cable having an inner wrap configuration according to claim 7, wherein the length of the fiber optic ribbon (22) is greater than the length of the clamp cavity (112), the fiber optic ribbon (22) extending beyond the other end of the inner clamp body (12) in each inner wrap configuration.
9. The optical fiber ribbon cable having an inner winding structure according to claim 8, wherein a cross section of an inner space portion surrounded by the plurality of inner winding structures is a regular polygonal star shape; the pipeline body (1) and the inward rolling structure are of an integrated structure.
10. The fiber optic ribbon cable having an inner wrap configuration according to claim 6 or claim 8, wherein the fiber optic ribbons (22) are arranged in a straight configuration within the clamp body cavity (112).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210336185.8A CN114594558A (en) | 2022-04-01 | 2022-04-01 | Optical fiber ribbon optical cable with internal winding structure |
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| CN202210336185.8A CN114594558A (en) | 2022-04-01 | 2022-04-01 | Optical fiber ribbon optical cable with internal winding structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117031668A (en) * | 2023-10-10 | 2023-11-10 | 江苏永鼎股份有限公司 | Nonmetal outdoor optical cable for communication |
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| CN112904513A (en) * | 2020-10-20 | 2021-06-04 | 常熟共益信息科技有限公司 | Ribbon optical cable for communication, communication optical cable and cable for power system |
| CN113625405A (en) * | 2021-08-30 | 2021-11-09 | 江苏长飞中利光纤光缆有限公司 | Optical fiber ribbon cable |
| CN113625404A (en) * | 2021-08-30 | 2021-11-09 | 江苏长飞中利光纤光缆有限公司 | Optical fiber ribbon optical cable easy to peel |
| CN113671651A (en) * | 2021-09-06 | 2021-11-19 | 江苏长飞中利光纤光缆有限公司 | Layer-stranded ribbon optical cable for communication |
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| CN113671651A (en) * | 2021-09-06 | 2021-11-19 | 江苏长飞中利光纤光缆有限公司 | Layer-stranded ribbon optical cable for communication |
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| CN117031668A (en) * | 2023-10-10 | 2023-11-10 | 江苏永鼎股份有限公司 | Nonmetal outdoor optical cable for communication |
| CN117031668B (en) * | 2023-10-10 | 2023-12-15 | 江苏永鼎股份有限公司 | Nonmetal outdoor optical cable for communication |
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