CN117270129A - Core number dense optical fiber ribbon cable - Google Patents
Core number dense optical fiber ribbon cable Download PDFInfo
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- CN117270129A CN117270129A CN202311266831.9A CN202311266831A CN117270129A CN 117270129 A CN117270129 A CN 117270129A CN 202311266831 A CN202311266831 A CN 202311266831A CN 117270129 A CN117270129 A CN 117270129A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 125
- 238000005452 bending Methods 0.000 claims abstract description 243
- 239000011241 protective layer Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000000945 filler Substances 0.000 claims description 21
- 239000004033 plastic Substances 0.000 claims description 19
- 229920003023 plastic Polymers 0.000 claims description 19
- 239000010410 layer Substances 0.000 claims description 17
- 239000004020 conductor Substances 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 239000011247 coating layer Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000002224 dissection Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- 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
-
- 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
- G02B6/441—Optical cables built up from sub-bundles
-
- 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
- G02B6/4415—Cables for special applications
- G02B6/4416—Heterogeneous cables
- G02B6/4417—High voltage aspects, e.g. in cladding
- G02B6/442—Insulators
-
- 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
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
-
- 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
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4483—Injection or filling devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Communication Cables (AREA)
Abstract
The invention belongs to the field of optical cables, and discloses an optical fiber ribbon cable with dense core numbers, which comprises M identical optical fiber ribbons, a protective layer and an outer sheath, and is characterized in that: the optical fiber ribbon is of an integrated structure, the optical fiber ribbon is composed of N bending sections which are connected in sequence, and a bending cavity is arranged between every two adjacent bending sections; all the optical fiber belts are spliced to form a complete cable core, and the outer surface of the cable core is cylindrical; the protective layer is coated outside the cable core, and the outer sheath is coated outside the protective layer; wherein M is more than or equal to 3, N is more than or equal to 3, and M and N are positive integers. The invention has the following main beneficial technical effects: easy manufacture and storage, more reasonable structure, more compactness, smaller size, less material consumption, lower comprehensive cost and larger compressive resistance.
Description
Technical Field
The invention belongs to the field of optical cables, and particularly discloses an optical fiber ribbon cable with dense core numbers.
Background
Optical fiber ribbon cables, or ribbon cables, are increasingly used as signal carriers for dense, high-speed communications.
CN114927282a discloses an optical fiber ribbon cable with bending sleeves, which comprises a reinforcing member 1, a plurality of insulated wires, a plurality of optical fiber ribbons 5, a plurality of bending sleeves 6, a protective layer 7 and an outer sheath 8, wherein the optical fiber ribbons 5 are composed of a plurality of optical fibers 4 and a bonding layer for coating all the optical fibers 4, all the bending sleeves 6 are symmetrically distributed outside the reinforcing member 1, all the bending sleeves 6 are coated by the protective layer 7, and the outer sheath 8 is positioned outside the protective layer 7; the method is characterized in that: the bending sleeve 6 has the following main beneficial effects that the bent optical fiber ribbon and the insulated wire are positioned at the lower part of the bending sleeve and are attached to the reinforcing piece: the electric power and optical signals are transmitted by the same cable, the construction is faster, the diameter is smaller, the loose tube is more convenient to replace, the material consumption is less, the cost is lower, and the manufacture is easier.
CN112151216a discloses a power cable, which has a reinforcing member, a receiving member, a protective layer, and an outer protective layer, the receiving member having a power transmission member therein; the device is characterized in that the accommodating part consists of a third bending part, a second connecting part, a fourth bending part, a third connecting part and a fifth bending part, a second cavity, a fourth cavity and a third cavity are arranged in the accommodating part, the second cavity and the third cavity are communicated, the third cavity and the fourth cavity are communicated, and the accommodating part is of an integrated structure; the power transmission component consists of a first bending part, a first connecting part and a second bending part, and a first cavity is arranged among the first bending part, the first connecting part and the second bending part; the second bending part is arranged in the fourth cavity, the first connecting part is arranged in the third cavity, and the first bending part is arranged in the second cavity. The method has the following main beneficial effects: simple structure, easy stripping, good heat dissipation, lighter weight, lower cost and more flexible use.
The above-mentioned prior art reduces the space occupation of the optical fiber ribbon and more reasonably utilizes the space by bending the optical fiber ribbon, but when the number of cores is larger, the number of the optical fiber ribbons is increased, which brings inconvenience to identification, use and the like, and when the number of the optical fibers is larger, the structure is also uncontrollably increased, which causes the increase of the size of the final product, the increase of the consumption of various materials and the high cost.
Disclosure of Invention
In order to solve the problems, the invention aims to disclose a fiber ribbon optical cable with dense cores, which is realized by adopting the following technical scheme.
The optical fiber ribbon cable comprises M identical optical fiber ribbons, a protective layer and an outer sheath, wherein each optical fiber ribbon consists of a plurality of optical fibers and a bonding layer for wrapping all the optical fibers; the method is characterized in that: the optical fiber ribbon is of an integrated structure, the optical fiber ribbon is composed of N bending sections, the serial numbers of the bending sections are gradually increased from inside to outside, the other end of the first bending section is connected with one end of the second bending section, and from the second bending section, the other end of the current bending section is connected with one end of the subsequent bending section through a transition section; the surface of one end of the bending section with the odd number and the surface of the other end of the bending section with the even number are arranged in the first side surface of the optical fiber ribbon; the outer surface of the first bending section, the surface of one end of the bending section with even number and the surface of the other end of the bending section with odd number are arranged in the second side surface of the optical fiber ribbon, the first side surface and the second side surface are both plane, and the included angle between the first side surface and the second side surface is 360/M degrees; a bending cavity is arranged between every two adjacent bending sections; the bending cavities between the first bending section and the second bending section are called as first bending cavities, the bending cavities between other bending sections are called as other bending cavities, and the sequence numbers of the bending cavities gradually increase from inside to outside; the cross sections of the first bending sections are rectangular structures, the cross sections of other bending sections are fan-shaped annular structures, the cross sections of the first bending cavities are fan-shaped structures, the cross sections of other bending cavities are fan-shaped annular structures, and the openings of the bending cavities with odd numbers are positioned on the first side surface; the openings of the even numbered bending cavities are all positioned on the second side surface; all the optical fiber belts are spliced to form a complete cable core, and the outer surface of the cable core is cylindrical; the protective layer is coated outside the cable core, and the outer sheath is coated outside the protective layer; wherein M is more than or equal to 3, N is more than or equal to 3, and M and N are positive integers.
The core number dense optical fiber ribbon cable is characterized in that: the curved chambers all have a filler, the filler in the first curved chamber being referred to as the first filler, and the fillers in the other curved chambers being referred to as the other fillers.
The core number dense optical fiber ribbon cable is characterized in that: the cross section of the first filling body is a sector matched with the cross section of the first bending cavity.
The core number dense optical fiber ribbon cable is characterized in that: the material of the first filling body is plastic; or the first filling body is a first insulating wire, the first insulating wire is composed of a first conductor and a first insulating layer wrapping the first conductor, the material of the first conductor is copper or aluminum or copper alloy or aluminum alloy, and the material of the first insulating layer is plastic; or the first filling body is composed of a reinforcing piece and a coating layer for coating the reinforcing piece, wherein the reinforcing piece is steel wire or iron wire or aluminum wire or lead wire or glass fiber reinforced plastic or aramid yarn or glass fiber yarn, and the coating layer is plastic.
The core number dense optical fiber ribbon cable is characterized in that: the other filling body is made of plastic or an insulating conductive belt, and the insulating conductive belt is composed of a belt-shaped conductor and a plastic layer which integrally covers the belt-shaped conductor.
The core number dense optical fiber ribbon cable is characterized in that: the cross-sectional shape of the other filling bodies is a sector ring shape.
The invention has the following main beneficial technical effects: easy manufacture and storage, more reasonable structure, more compactness, smaller size, less material consumption and lower comprehensive cost.
Drawings
Fig. 1 is a schematic perspective view of the present invention after a section of dissection according to embodiment 1.
Fig. 2 is an enlarged schematic cross-sectional structure of fig. 1.
Fig. 3 is a schematic perspective view of a section of the optical fiber ribbon used in fig. 1 after dissection.
Fig. 4 is an enlarged schematic cross-sectional structure of fig. 3.
Fig. 5 is a schematic cross-sectional structure of an optical fiber ribbon used in embodiment example 2 of the present invention.
Fig. 6 is a schematic cross-sectional structure of a tubular member used in embodiment example 3 of the present invention.
Detailed Description
So that those skilled in the art can better understand and practice the present patent, reference will now be made in detail to the drawings, which are illustrated in the accompanying drawings.
In the figure: 1-optical fiber ribbon, 2-protective layer, 3-outer jacket, 11-optical fiber, 12-adhesive layer, L1-first bending section, L2-second bending section, L3-third bending section, L4-fourth bending section, L5-fifth bending section, L6-sixth bending section, T1-first bending cavity, T2-second bending cavity, T3-third bending cavity, T4-fourth bending cavity, T5-fifth bending cavity, S1-first side, S2-second side, Q1-first filler, Q2-second filler, Q3-third filler, Q4-fourth filler, Q5-fifth filler, 4-tubular member, 41-tubular body, 42-tubular inner cavity.
Example 1
Referring to fig. 1 to 4, a fiber ribbon cable with dense core number comprises four same fiber ribbons 1, a protective layer 2 and an outer sheath 3, wherein the fiber ribbon 1 is composed of a plurality of optical fibers 11 and a bonding layer 12 wrapping all the optical fibers 11; the method is characterized in that: the optical fiber ribbon 1 is of an integrated structure, the optical fiber ribbon 1 is composed of a first bending section L1, a second bending section L2, a third bending section L3, a fourth bending section L4, a fifth bending section L5 and a sixth bending section L6, the other end of the first bending section L1 is connected with one end of the second bending section L2, and from the second bending section L2, the other end of the current bending section is connected with one end of the subsequent bending section through a transition section; the surface of one end of the first bending section L1, the surface of the other end of the second bending section L2, the surface of one end of the third bending section L3, the surface of the other end of the fourth bending section L4, the surface of one end of the fifth bending section L5, the surface of the other end of the sixth bending section L6 are within the first side surface S1 of the optical fiber ribbon 1; the outer surface of the first bending section L1, the surface of one end of the second bending section L2, the surface of the other end of the third bending section L3, the surface of one end of the fourth bending section L4, the surface of the other end of the fifth bending section L5, and the surface of one end of the sixth bending section L6 are in the second side surface S2 of the optical fiber ribbon 1, the first side surface S1 and the second side surface S2 are all planar, and the included angle between the first side surface S1 and the second side surface S2 is a right angle; a first bending cavity T1 is formed between the first bending section L1 and the second bending section L2, a second bending cavity T2 is formed between the second bending section L2 and the third bending section L3, a third bending cavity T3 is formed between the third bending section L3 and the fourth bending section L4, a fourth bending cavity T4 is formed between the fourth bending section L4 and the fifth bending section L5, and a fifth bending cavity T5 is formed between the fifth bending section L5 and the sixth bending section L6; the cross section of the first bending section is of a rectangular structure, the cross sections of the second bending section and the sixth bending section are of a fan-shaped structure, the cross section of the first bending cavity is of a fan-shaped structure, the cross sections of the second bending cavity and the fifth bending cavity are of a fan-shaped structure, the opening of the first bending cavity is positioned on the first side surface S1, the opening of the second bending cavity and the opening of the fourth bending cavity are positioned on the second side surface S2, and the opening of the third bending cavity and the opening of the fifth bending cavity are positioned on the first side surface S1; the four identical optical fiber ribbons 1 are spliced to form a complete cable core, and the outer surface of the cable core is cylindrical; the protective layer 2 is coated outside the cable core, and the outer sheath 3 is coated outside the protective layer 2.
The core number dense optical fiber ribbon cable is characterized in that: the optical fiber 11 is of a single mode type or a multimode type.
The core number dense optical fiber ribbon cable is characterized in that: the optical fiber is G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a or A1b or A1c or A1d.
The core-number-dense optical fiber ribbon cable is not limited to six bending sections and five bending cavities, that is, can have N bending sections and N-1 bending cavities, N is not less than 3, and N is a positive integer.
The core number-dense optical fiber ribbon cable is not limited to four identical optical fiber ribbons 1, but can also be an optical fiber ribbon cable with M identical optical fiber ribbons, wherein M is a positive integer not less than 3, and an included angle between the first side surface S1 and the second side surface S2 is 360/M degrees; all the optical fiber ribbons 1 are spliced to form a complete cable core, and the outer surface of the cable core is cylindrical.
The optical fiber ribbon cable with dense core number comprises M identical optical fiber ribbons 1, a protective layer 2 and an outer sheath 3, wherein the optical fiber ribbon 1 is composed of a plurality of optical fibers 11 and a bonding layer 12 wrapping all the optical fibers 11; the method is characterized in that: the optical fiber ribbon 1 is of an integrated structure, the optical fiber ribbon 1 is composed of N bending sections, the serial numbers of the bending sections gradually increase from inside to outside, the other end of the first bending section L1 is connected with one end of the second bending section L2, and from the second bending section L2, the other end of the current bending section is connected with one end of the subsequent bending section through a transition section; the surface of one end of the bending section with the odd number and the surface of the other end of the bending section with the even number are positioned in the first side surface S1 of the optical fiber ribbon 1; the outer surface of the first bending section L1, the surface of one end of the bending section with even number and the surface of the other end of the bending section with odd number are arranged in the second side surface S2 of the optical fiber ribbon 1, the first side surface S1 and the second side surface S2 are all planes, and an included angle between the first side surface S1 and the second side surface S2 is 360/M degrees; a bending cavity is arranged between every two adjacent bending sections; the bending cavities between the first bending section and the second bending section are called as first bending cavities, the bending cavities between other bending sections are called as other bending cavities, and the sequence numbers of the bending cavities gradually increase from inside to outside; the cross sections of the first bending sections are rectangular structures, the cross sections of other bending sections are fan-shaped annular structures, the cross sections of the first bending cavities are fan-shaped structures, the cross sections of other bending cavities are fan-shaped annular structures, and the openings of the bending cavities with odd numbers are positioned on the first side surface S1; the openings of the even numbered bending cavities are all positioned on the second side surface S2; all the optical fiber ribbons 1 are spliced to form a complete cable core, and the outer surface of the cable core is cylindrical; the protective layer 2 is coated outside the cable core, and the outer sheath 3 is coated outside the protective layer 2; wherein M is more than or equal to 3, N is more than or equal to 3, and M and N are positive integers.
Example 2 of the embodiment
Please refer to fig. 5, and refer to fig. 1 to 4, a core-count dense ribbon fiber cable is basically the same as the embodiment 1, except that: the first bending chamber T1 has a first filling body Q1 therein, the second bending chamber T2 has a second filling body Q2 therein, the third bending chamber T3 has a third filling body Q3 therein, the fourth bending chamber T4 has a fourth filling body Q4 therein, and the fifth bending chamber T5 has a fifth filling body Q5 therein.
The core number dense optical fiber ribbon cable is characterized in that: the cross section of the first filling body Q1 is fan-shaped, and the first bending cavity T1 is just filled.
Further, the core number dense optical fiber ribbon cable is characterized in that: the material of the first filling body Q1 is plastic; or the first filling body Q1 is a first insulating wire, the first insulating wire is composed of a first conductor and a first insulating layer wrapping the first conductor, the material of the first conductor is copper or aluminum or copper alloy or aluminum alloy, and the material of the first insulating layer is plastic; or the first filling body Q1 is formed by a reinforcing member, typically steel wire or iron wire or aluminum wire or lead wire or glass fiber reinforced plastic or aramid yarn or glass fiber yarn, and a coating layer for coating the reinforcing member, typically plastic.
The core number dense optical fiber ribbon cable is characterized in that: the materials of the second to fifth filling bodies can be plastics or insulating conductive belts, and the insulating conductive belts are composed of strip-shaped conductors and plastic layers which are used for integrally coating the strip-shaped conductors.
Of course, in this embodiment, the number of the filling bodies may also be changed correspondingly with the change of the number of the bending cavities, and the number of the filling bodies is always equal to the number of the bending cavities, but the cross section shape of the first filling body is fan-shaped, and the cross section shapes of the other filling bodies are fan-shaped.
The existence of the filling body ensures that the protection performance of the bending section is better, such as tensile, compression, impact, bending and torsion resistance and the like are greatly improved.
For a core-dense ribbon cable having a plurality of other bending segments and bending cavities as described in example 1, having a number of filling bodies corresponding to the number of bending cavities, the improvement comprising: the curved chambers all have a filler, the filler in the first curved chamber being referred to as the first filler, and the fillers in the other curved chambers being referred to as the other fillers.
The optical fiber ribbon cable of embodiment 1 and embodiment 2 having a plurality of bending sections, the second bending section to the sixth bending section being gradually enlarged outwards, and the fan-shaped sections of the bending sections being concentric, the material of the adhesive layer being sufficiently hard, generally not deformed after forming, and being capable of maintaining its shape, the optical fiber ribbon being produced by a mold during production, and the number of optical fibers inside the optical fiber ribbon being gradually increased from the second bending section to the nth bending section outside, so that the space is more reasonably utilized, and in fact, the bending cavity being made quite small, so that the space utilization is further improved; in this application, during the use, can cut or scratch the changeover portion, can separate different crooked sections, get the optic fibre sub-band that can acquire different core numbers, satisfy different requirements.
Example 3
Please refer to fig. 6, and refer to fig. 1 to 4, a core-count dense ribbon cable, which is basically the same as the embodiment 1, except that: (1) The optical fiber ribbon is of a soft structure, and consists of optical fibers and a bonding layer which integrally wraps all the optical fibers, and adjacent optical fibers are not contacted with each other; (2) Having four identical tubular members 4, the shape of the tubular members 4 being similar to that of embodiment 1, the tubular members being of rigid construction, the tubular members being of unitary construction, the tubular members being constituted by a tubular body 41 having a plurality of curved sections, the interior of the tubular body 41 having a continuous tubular lumen 42; (3) All the tubular parts are spliced to form a cable core, the outer edge of the cable core is round, and the optical fiber ribbon is positioned in the tube inner cavity 42; (4) The material of the tube body may be plastic or a material with a hard metal such as copper, aluminum, steel, iron, etc.
In this embodiment, the tubular component is the stereoplasm structure, tubular component is the integral type structure, the inside continuous intraductal chamber that has of pipe body, the optical fiber ribbon is located the intraductal chamber, the material of pipe body is hard materials such as plastics or metal, because it has great intensity and rigidity and toughness for bear external pressure or impact force, the pipe body has stronger resistance, be difficult for the crush, flatten, crush the pipe body, and further, can protect the optical fiber ribbon of inside better, only when the pipe body flattens, crush, just can cause the crush of optical fiber ribbon, so the optical cable in this embodiment can bear bigger pressure, impact force, greatly improved the mechanical properties of product.
The optical fiber ribbon cable comprises M identical optical fiber ribbons, a protective layer and an outer sheath, wherein each optical fiber ribbon consists of a plurality of optical fibers and a bonding layer for wrapping all the optical fibers; the method is characterized in that: the device is characterized by also comprising M identical tubular parts, each tubular part is of an integral structure, the tubular part is composed of a tube body with N bending sections, a continuous tube cavity is arranged in the tube body, the serial numbers of the bending sections gradually increase from inside to outside, the other end of the first bending section is connected with one end of the second bending section, and the other end of the current bending section is connected with one end of the subsequent bending section from the second bending section; the surface of one end of the odd numbered curved segments and the surface of the other end of the even numbered curved segments are in the first side of the tubular member; the outer surface of the first bending section, the surface of one end of the bending section with even number and the surface of the other end of the bending section with odd number are arranged in the second side surface of the tubular component, the first side surface and the second side surface are both plane, and the included angle between the first side surface and the second side surface is 360/M degrees; a bending cavity is arranged between every two adjacent bending sections; the bending cavities between the first bending section and the second bending section are called as first bending cavities, the bending cavities between other bending sections are called as other bending cavities, and the sequence numbers of the bending cavities gradually increase from inside to outside; the cross sections of the first bending sections are rectangular structures, the cross sections of other bending sections are fan-shaped annular structures, the cross sections of the first bending cavities are fan-shaped structures, the cross sections of other bending cavities are fan-shaped annular structures, and the openings of the bending cavities with odd numbers are positioned on the first side surface; the openings of the even numbered bending cavities are all positioned on the second side surface; all the tubular parts are spliced to form a complete cable core, and the outer surface of the cable core is cylindrical; the protective layer is coated outside the cable core, and the outer sheath is coated outside the protective layer; each tube cavity is internally provided with an optical fiber ribbon, and the optical fiber ribbon in each tube cavity is bent in at least three sections, wherein M is more than or equal to 3, N is more than or equal to 3, and M and N are positive integers.
In this embodiment, the production of the optical fiber ribbon is simplified, and the optical fiber ribbon in the prior art can be adopted, so long as the number in a single optical fiber ribbon is more, for example, the optical fiber ribbon in the prior art can be formed by splicing the optical fiber ribbons, for example, 3 24 optical fiber ribbons are spliced into one 72-core optical fiber ribbon, and then the 72-core optical fiber ribbon is plugged into the inner cavity of the tube during production or construction; the hard tubular part can further raise the performance of tensile, compression and impact resistance, and the filler is not needed to set the plastic.
In this application, through adopting the optical fiber ribbon that has a plurality of bending sections, the optical fiber ribbon is a whole, it is fairly convenient to make, keep, and the trouble that needs frequent sign mark among the prior art has been reduced to the optical fiber ribbon of integration moreover, make to discern more visual and convenient, simultaneously, the quantity of the optic fibre in the optical fiber ribbon has been improved, and through multistage bending, make optical fiber ribbon make full use of space, the waste in space has been reduced, the structure that makes the product is more reasonable, compacter, the product size is littleer when the same core number, each material consumption is littleer, the composite cost is lower.
The invention has the following main beneficial technical effects: easy manufacture and storage, more reasonable structure, more compactness, smaller size, less material consumption and lower comprehensive cost.
The above-described embodiments are only preferred embodiments 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 the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (10)
1. The optical fiber ribbon cable comprises M identical optical fiber ribbons, a protective layer and an outer sheath, wherein each optical fiber ribbon consists of a plurality of optical fibers and a bonding layer for wrapping all the optical fibers; the method is characterized in that: the optical fiber ribbon is of an integrated structure, the optical fiber ribbon is composed of N bending sections, the serial numbers of the bending sections are gradually increased from inside to outside, the other end of the first bending section is connected with one end of the second bending section, and from the second bending section, the other end of the current bending section is connected with one end of the subsequent bending section through a transition section; the surface of one end of the bending section with the odd number and the surface of the other end of the bending section with the even number are arranged in the first side surface of the optical fiber ribbon; the outer surface of the first bending section, the surface of one end of the bending section with even number and the surface of the other end of the bending section with odd number are arranged in the second side surface of the optical fiber ribbon, the first side surface and the second side surface are both plane, and the included angle between the first side surface and the second side surface is 360/M degrees; a bending cavity is arranged between every two adjacent bending sections; the bending cavities between the first bending section and the second bending section are called as first bending cavities, the bending cavities between other bending sections are called as other bending cavities, and the sequence numbers of the bending cavities gradually increase from inside to outside; the cross sections of the first bending sections are rectangular structures, the cross sections of other bending sections are fan-shaped annular structures, the cross sections of the first bending cavities are fan-shaped structures, the cross sections of other bending cavities are fan-shaped annular structures, and the openings of the bending cavities with odd numbers are positioned on the first side surface; the openings of the even numbered bending cavities are all positioned on the second side surface; all the optical fiber belts are spliced to form a complete cable core, and the outer surface of the cable core is cylindrical; the protective layer is coated outside the cable core, and the outer sheath is coated outside the protective layer; wherein M is more than or equal to 3, N is more than or equal to 3, and M and N are positive integers.
2. A core-dense optical fiber ribbon cable according to claim 1, wherein: the curved chambers all have a filler, the filler in the first curved chamber being referred to as the first filler, and the fillers in the other curved chambers being referred to as the other fillers.
3. A core-dense ribbon cable according to claim 2, wherein: the cross section of the first filling body is a sector matched with the cross section of the first bending cavity.
4. A core-dense ribbon cable according to claim 3, wherein: the material of the first filling body is plastic; or the first filling body is a first insulating wire, the first insulating wire is composed of a first conductor and a first insulating layer wrapping the first conductor, the material of the first conductor is copper or aluminum or copper alloy or aluminum alloy, and the material of the first insulating layer is plastic; or the first filling body is composed of a reinforcing piece and a coating layer for coating the reinforcing piece, wherein the reinforcing piece is steel wire or iron wire or aluminum wire or lead wire or glass fiber reinforced plastic or aramid yarn or glass fiber yarn, and the coating layer is plastic.
5. A core-dense optical fiber ribbon cable according to claim 4, wherein: the other filling body is made of plastic or an insulating conductive belt, and the insulating conductive belt is composed of a belt-shaped conductor and a plastic layer which integrally covers the belt-shaped conductor.
6. A core-dense optical fiber ribbon cable according to claim 5, wherein: the cross-sectional shape of the other filling bodies is a sector ring shape.
7. A core-dense optical fiber ribbon cable according to claim 6, wherein: the optical fiber is of a single mode type or a multimode type.
8. A core-dense optical fiber ribbon cable according to claim 7, wherein: the optical fiber is G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a or A1b or A1c or A1d.
9. The optical fiber ribbon cable comprises M identical optical fiber ribbons, a protective layer and an outer sheath, wherein each optical fiber ribbon consists of a plurality of optical fibers and a bonding layer for wrapping all the optical fibers; the method is characterized in that: the device is characterized by also comprising M identical tubular parts, each tubular part is of an integral structure, the tubular part is composed of a tube body with N bending sections, a continuous tube cavity is arranged in the tube body, the serial numbers of the bending sections gradually increase from inside to outside, the other end of the first bending section is connected with one end of the second bending section, and the other end of the current bending section is connected with one end of the subsequent bending section from the second bending section; the surface of one end of the odd numbered curved segments and the surface of the other end of the even numbered curved segments are in the first side of the tubular member; the outer surface of the first bending section, the surface of one end of the bending section with even number and the surface of the other end of the bending section with odd number are arranged in the second side surface of the tubular component, the first side surface and the second side surface are both plane, and the included angle between the first side surface and the second side surface is 360/M degrees; a bending cavity is arranged between every two adjacent bending sections; the bending cavities between the first bending section and the second bending section are called as first bending cavities, the bending cavities between other bending sections are called as other bending cavities, and the sequence numbers of the bending cavities gradually increase from inside to outside; the cross sections of the first bending sections are rectangular structures, the cross sections of other bending sections are fan-shaped annular structures, the cross sections of the first bending cavities are fan-shaped structures, the cross sections of other bending cavities are fan-shaped annular structures, and the openings of the bending cavities with odd numbers are positioned on the first side surface; the openings of the even numbered bending cavities are all positioned on the second side surface; all the tubular parts are spliced to form a complete cable core, and the outer surface of the cable core is cylindrical; the protective layer is coated outside the cable core, and the outer sheath is coated outside the protective layer; each tube cavity is internally provided with an optical fiber ribbon, and the optical fiber ribbon in each tube cavity is bent in at least three sections, wherein M is more than or equal to 3, N is more than or equal to 3, and M and N are positive integers.
10. A core-dense optical fiber ribbon cable according to claim 9, wherein: the material of the tube body is plastic or copper or aluminum or steel or iron.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311266831.9A CN117270129A (en) | 2023-09-28 | 2023-09-28 | Core number dense optical fiber ribbon cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311266831.9A CN117270129A (en) | 2023-09-28 | 2023-09-28 | Core number dense optical fiber ribbon cable |
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| CN117270129A true CN117270129A (en) | 2023-12-22 |
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| CN202311266831.9A Pending CN117270129A (en) | 2023-09-28 | 2023-09-28 | Core number dense optical fiber ribbon cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117826352A (en) * | 2024-03-06 | 2024-04-05 | 常熟白莲光电科技有限公司 | Expandable optical fiber ribbon cable |
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- 2023-09-28 CN CN202311266831.9A patent/CN117270129A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117826352A (en) * | 2024-03-06 | 2024-04-05 | 常熟白莲光电科技有限公司 | Expandable optical fiber ribbon cable |
| CN117826352B (en) * | 2024-03-06 | 2024-04-30 | 常熟白莲光电科技有限公司 | Expandable optical fiber ribbon cable |
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