CN116699756B - Optical fiber ribbon, method for manufacturing optical fiber ribbon, and optical cable - Google Patents
Optical fiber ribbon, method for manufacturing optical fiber ribbon, and optical cable Download PDFInfo
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- CN116699756B CN116699756B CN202310959635.3A CN202310959635A CN116699756B CN 116699756 B CN116699756 B CN 116699756B CN 202310959635 A CN202310959635 A CN 202310959635A CN 116699756 B CN116699756 B CN 116699756B
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 281
- 230000003287 optical effect Effects 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 7
- 230000008859 change Effects 0.000 claims abstract description 9
- 238000004804 winding Methods 0.000 claims description 44
- 230000003014 reinforcing effect Effects 0.000 claims description 28
- 239000000853 adhesive Substances 0.000 claims description 27
- 230000001070 adhesive effect Effects 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 11
- 239000011159 matrix material Substances 0.000 claims description 9
- 238000001228 spectrum Methods 0.000 claims description 8
- 239000013013 elastic material Substances 0.000 claims description 6
- 239000004925 Acrylic resin Substances 0.000 claims description 4
- 229920000877 Melamine resin Polymers 0.000 claims description 4
- 239000003085 diluting agent Substances 0.000 claims description 4
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 claims description 4
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- -1 photoinitiator Substances 0.000 claims 1
- 239000000326 ultraviolet stabilizing agent Substances 0.000 claims 1
- 238000004891 communication Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000001723 curing Methods 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000003848 UV Light-Curing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
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- 238000010521 absorption reaction Methods 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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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
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
- G02B6/06—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images
- G02B6/08—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images with fibre bundle in form of plate
-
- 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
- G02B6/4403—Optical cables with ribbon structure
- G02B6/4404—Multi-podded
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Abstract
The application provides an optical fiber ribbon, a method for manufacturing the optical fiber ribbon and an optical cable. The optical fiber ribbon includes: a flexible connection structure; and at least two optical fiber ribbon split bodies which are sequentially overlapped, wherein the two adjacent optical fiber ribbon split bodies are connected through a flexible connection structure, the flexible connection structure is configured to adapt to the relative position change between the two adjacent optical fiber ribbon split bodies, and the optical fiber ribbon split bodies comprise a plurality of optical fiber units which are arranged side by side. The optical fiber ribbon of the technical scheme can solve the problems that the existing ribbon optical cable is oversized in structure size, cannot be laid and used in some special scenes and is low in applicability.
Description
Technical Field
The application relates to the technical field of communication optical cables, in particular to an optical fiber ribbon, a manufacturing method of the optical fiber ribbon and an optical cable.
Background
The optical fiber communication technology is the mainstream technology in the current communication field, and has the advantages of large bandwidth, long transmission distance, strong anti-interference capability and the like. In the design of communication lines, people select optical cables with different cores according to different design requirements or communication demands, and in some situations where large-capacity data needs to be transmitted, such as a data center, a cloud computing center and the like, an optical cable with an ultra-large core number is generally required. The ultra-large core number optical cable is generally in a structure type of a band-shaped optical cable, and a conventional band-shaped optical cable uses a solidified optical fiber ribbon as an optical unit.
The existing optical fiber ribbon is formed by arranging a plurality of optical fibers into a linear array, bonding the optical fibers into a whole by using a bonding material through UV curing or LED curing, stacking the optical fiber ribbons into an optical fiber ribbon matrix, and performing procedures such as plastic sheathing, cabling, sheath and the like. Because the structure of the optical fiber ribbon is not loose enough, the optical fiber ribbon can be only laid in the optical cable in the form of an optical fiber ribbon matrix, the inner diameter of the space where the optical fiber ribbon matrix is located is required to be at least larger than the circumscribed circle of the optical fiber ribbon matrix, and finally the structure size of the optical fiber ribbon cable is overlarge and cannot be laid and used in some special scenes, so that the applicability is low.
Disclosure of Invention
The application mainly aims to provide an optical fiber ribbon, a manufacturing method of the optical fiber ribbon and an optical cable, which can solve the problems that the existing ribbon-shaped optical cable is oversized in structure, cannot be laid and used in some special scenes and is low in applicability.
To achieve the above object, according to an aspect of the present application, there is provided an optical fiber ribbon comprising: a flexible connection structure; and at least two optical fiber ribbon split bodies which are sequentially overlapped, wherein the two adjacent optical fiber ribbon split bodies are connected through a flexible connection structure, the flexible connection structure is configured to adapt to the relative position change between the two adjacent optical fiber ribbon split bodies, and the optical fiber ribbon split bodies comprise a plurality of optical fiber units which are arranged side by side.
Further, the flexible connection structure is made of an elastic material; and/or at least two optical fiber ribbons are stacked in turn to form a matrix structure.
Further, the flexible connection structure includes an adjusting portion configured to be capable of telescoping and bending, one end of the adjusting portion being connected to one of the two optical fiber ribbon split bodies, and the other end of the adjusting portion being connected to the other of the two optical fiber ribbon split bodies.
Further, the optical fiber ribbon further comprises a plurality of bonding structures, the plurality of optical fiber units forming the optical fiber ribbon split body are arranged at intervals along the first direction, two adjacent optical fiber units are connected through the plurality of bonding structures, and a gap is reserved between the two adjacent bonding structures in the second direction.
Further, the flexible connection structure includes an adjusting portion and two winding connection portions, the adjusting portion is connected between the two winding connection portions, the two winding connection portions are located at opposite sides of the adjusting portion respectively, the adjusting portion is configured to be capable of stretching and bending, the winding connection portions are configured to be capable of winding around the periphery of the optical fiber unit after passing through the gap, and extrusion force is generated on the optical fiber unit.
Further, the winding connection part has a cylindrical structure, and when the winding connection part is not wound around the outer circumference of the optical fiber unit, the diameter of the cylindrical structure is smaller than that of the optical fiber unit.
Further, the adjusting portion includes a folding structure between the two winding connection portions, the folding structure including at least three folds, the folding structure being configured to be foldable or extendable along the folds to extend or retract the adjusting portion.
Further, the length of the flexible connection structure is L1, the length of the folding structure in an initial state is L2, and the value range of L2/L1 is 0.2-0.5.
Further, the optical fiber ribbon split further comprises an auxiliary reinforcing element, the length of the auxiliary reinforcing element is L3, the length of the optical fiber unit is L4, and the relation between the two satisfies the formula: l4=kl 3, where k is the length ratio of the optical fiber unit to the auxiliary reinforcing element, and the value range of k is 1.0001.ltoreq.k.ltoreq.1.0002.
Further, the number of the flexible connection structures is multiple, two adjacent optical fiber ribbon split bodies are connected through the flexible connection structures, in the two adjacent optical fiber ribbon split bodies, the flexible connection structures are located on two sides of the two optical fiber ribbon split bodies, one end of each flexible connection structure is connected with one of the two optical fiber ribbon split bodies, the other end of each flexible connection structure is connected with the other of the two optical fiber ribbon split bodies, the flexible connection structures located on the same side of the optical fiber ribbon split bodies are distributed at intervals along the length direction of the optical fiber unit, and the distance a between the two adjacent flexible connection structures located on the same side of the optical fiber ribbon split bodies is 30mm less than or equal to a less than or equal to 50mm.
According to another aspect of the present application, there is provided a manufacturing method for manufacturing the above-described optical fiber ribbon, comprising: arranging a plurality of optical fiber units side by side according to a specific chromatograph to form an optical fiber ribbon split; repeating the steps to form a plurality of optical fiber ribbon split bodies; taking one optical fiber ribbon split, connecting one end of a flexible connection structure with the optical fiber ribbon split, taking another optical fiber ribbon split, then connecting the other end of the flexible connection structure with the optical fiber ribbon split, realizing stacking connection between the two, and repeating the operation until all the optical fiber ribbon split are stacked and connected together.
Further, the step of detachably connecting the flexible connection structure to the optical fiber ribbon includes: the winding connection portion is wound around the outer circumference of the optical fiber unit through the gap.
Further, the step of arranging the plurality of optical fiber units side by side according to a specific color spectrum further includes: coating an adhesive material on the surface of the optical fiber unit and then curing the same; and removing redundant bonding materials by using a laser device, so that the distance between two adjacent bonding structures is a preset distance, and forming the optical fiber ribbon split.
Further, the laser device adopts an ultraviolet laser with the wavelength of 355nm, the value range of the laser power density is 0.5J/mm < lambda > 1.0J/mm < lambda > and the laser scanning speed is 100 mm/s-500 mm/s.
Further, the bonding material is prepared from solvent-free epoxy acrylate resin, melamine formaldehyde resin, an acrylate reactive diluent, a photoinitiator, an ultraviolet absorber and a stabilizer, wherein the mass percentages of the six are 55%, 10%, 25%, 5%, 3% and 2% respectively.
Further, before the step of arranging the plurality of optical fiber units side by side according to the specific color spectrum, paying-off is performed by using a paying-off device, so that the length of the optical fiber units and the length of the auxiliary reinforcing element satisfy the formula: l4=kl 3, where k is the length ratio of the optical fiber unit to the auxiliary reinforcing element, and the value range of k is 1.0001.ltoreq.k.ltoreq.1.0002.
According to another aspect of the present application, there is provided an optical cable comprising: an outer sheath; and the optical fiber ribbon is arranged in the outer sheath.
By applying the technical scheme of the application, the flexible connection structure and the optical fiber ribbon split bodies are arranged, the optical fiber ribbon split bodies are sequentially overlapped, and the adjacent two optical fiber ribbon split bodies are connected through the flexible connection structure. When the optical fiber ribbon is distributed in the optical cable, the occupied space of the optical fiber ribbon can be reduced through bending and torsion, so that the structural size of the optical cable is reduced, the optical cable can be applied to special scenes with certain requirements on the size of the optical cable, and the applicability of the optical cable is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic perspective view of an optical fiber ribbon according to an embodiment of the present application;
FIG. 2 shows a schematic view of the structure of a ribbon split according to an embodiment of the present application;
FIG. 3 shows a schematic perspective view of a flexible connection structure of an embodiment of the present application;
FIG. 4 illustrates a front view of a flexible connection structure of an embodiment of the present application;
FIG. 5 shows a top view of a flexible connection structure of an embodiment of the application; and
fig. 6 shows a flowchart of a method of manufacturing an optical fiber ribbon according to an embodiment of the present application.
Wherein the above figures include the following reference numerals:
10. a flexible connection structure; 11. an adjusting section; 111. a folding structure; 112. folding; 12. a winding connection part; 20. the optical fiber ribbon is split; 21. an optical fiber unit; 30. an adhesive structure; 40. auxiliary reinforcing elements.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
Referring now to fig. 1-5 in combination, the present application provides an optical fiber ribbon comprising: a flexible connection structure 10; and at least two optical fiber ribbon split bodies 20 stacked in sequence, wherein the two adjacent optical fiber ribbon split bodies 20 are connected through a flexible connection structure 10, the flexible connection structure 10 is configured to be capable of adapting to the relative position change between the two adjacent optical fiber ribbon split bodies 20, and the optical fiber ribbon split bodies 20 comprise a plurality of optical fiber units 21 arranged side by side.
In this embodiment, the optical fiber ribbon includes a plurality of optical fiber ribbon split bodies 20, the plurality of optical fiber ribbon split bodies 20 are stacked in sequence, two adjacent optical fiber ribbon split bodies 20 are connected through the flexible connection structure 10, and since the flexible connection structure 10 can adapt to the relative position change between two adjacent optical fiber ribbon split bodies 20, the relative position between each optical fiber ribbon split body 20 can be flexibly changed, the plurality of optical fiber ribbon split bodies 20 can take on various forms after being stacked, the optical fiber ribbon can take on different forms at different positions, and further the overall structure of the optical fiber ribbon is relatively flexible and unfixed, and the optical fiber ribbon can realize local bending, torsion and the like. When the optical fiber ribbon is distributed in the optical cable, the occupied space of the optical fiber ribbon can be reduced through bending and torsion, so that the structural size of the optical cable is reduced, the optical cable can be applied to special scenes with certain requirements on the size of the optical cable, and the applicability of the optical cable is improved.
In one embodiment of the present application, the flexible connection structure 10 is made of an elastic material.
In this embodiment, the flexible connection structure 10 is made of an elastic material, so that the self-adapting capability of the flexible connection structure 10 can be ensured, and the relative position change between two adjacent optical fiber ribbon components 20 can be better adapted.
In one embodiment, the flexible connection structure 10 is made of silicone or polyurethane.
As shown in fig. 1, in one embodiment of the present application, at least two ribbon splitters 20 are stacked in sequence to form a matrix configuration.
In this embodiment, the plurality of optical fiber ribbon split bodies 20 are stacked in sequence to form a three-dimensional matrix structure, and the flexible connection structure 10 can adapt to the relative position change between two adjacent optical fiber ribbon split bodies 20, so that the three-dimensional matrix structure has various shapes and can be distributed in optical cables in different shapes.
Referring to fig. 1 to 5 in combination, in one embodiment of the present application, the flexible connection structure 10 includes an adjusting portion 11, the adjusting portion 11 being configured to be capable of telescoping and bending, one end of the adjusting portion 11 being connected to one of the two optical fiber ribbon split bodies 20, and the other end of the adjusting portion 11 being connected to the other of the two optical fiber ribbon split bodies 20.
In this embodiment, the adjusting part 11 has bending and telescopic functions, and can automatically adjust the size or bending angle of the flexible optical fiber ribbon when the optical fiber ribbon is stretched or extruded, thereby reducing the stress to which the optical fiber ribbon is subjected.
Specifically, the bending angle of the adjusting portion 11 is 0 ° to 180 °.
In one embodiment, the two ends of the adjustment portion 11 may be connected to the ribbon split 20 by means of adhesive.
Referring to fig. 1 to 5 in combination, in one embodiment of the present application, the optical fiber ribbon further includes a plurality of adhesive structures 30, the plurality of optical fiber units 21 constituting the optical fiber ribbon assembly 20 are arranged at intervals along the first direction, adjacent two optical fiber units 21 are connected by the plurality of adhesive structures 30, and in the second direction, a gap is provided between the adjacent two adhesive structures 30.
In the present embodiment, the adjacent two optical fiber units 21 are connected by the adhesive structure 30, and the adhesive structure 30 is located between the adjacent two optical fiber units 21. The adhesive structure 30 is capable of connecting a plurality of optical fiber units 21 arranged at intervals to form an optical fiber ribbon assembly 20.
Specifically, the bonding structure 30 is made of a bonding material, and the bonding material is prepared from solvent-free epoxy acrylate resin, melamine formaldehyde resin, an acrylate reactive diluent, a photoinitiator, an ultraviolet absorber and a stabilizer according to a certain proportion. Accordingly, the adhesive structure 30 is also adaptable to the extent that the ribbon segment 20 formed by the attachment of the adhesive structure 30 can be rolled or folded.
Referring to fig. 1 to 5 in combination, in one embodiment of the present application, the flexible connection structure 10 includes an adjusting portion 11 and two winding connection portions 12, the adjusting portion 11 is connected between the two winding connection portions 12, the two winding connection portions 12 are located at opposite sides of the adjusting portion 11, respectively, the adjusting portion 11 is configured to be stretchable and bendable, the winding connection portions 12 are configured to be wound around the outer circumference of the optical fiber unit 21 after passing through the gap, and generate a pressing force on the optical fiber unit 21.
In the present embodiment, two adjacent optical fiber units 21 are connected together by the adhesive structure 30, and in the second direction, that is, the length extending direction of the optical fiber units 21, there is a gap between the two adjacent adhesive structures 30, which provides a space for installation of the winding connection part 12. When two adjacent optical fiber ribbon split bodies 20 are connected, one winding connection part 12 of the flexible connection part passes through the gap through external force, and because the winding connection part 12 adopts elastic materials, the winding connection part 12 can be unfolded under the action of the external force, then the winding connection part 12 is wound on the periphery of the optical fiber unit 21, after the external force disappears, the winding connection part 12 gradually returns to the initial winding state, at the moment, the periphery of the optical fiber unit 21 can be tightly covered, the connection between the flexible connection part and one optical fiber ribbon split body 20 is realized, the operation is repeated, and the connection between the other winding connection part 12 of the flexible connection structure 10 and the other optical fiber ribbon split body 20 is realized, so that the connection between the two adjacent optical fiber ribbon split bodies 20 is realized.
As shown in fig. 1, in one embodiment of the present application, the winding connection part 12 has a cylindrical structure, and when the winding connection part 12 is not wound around the outer circumference of the optical fiber unit 21, the diameter of the cylindrical structure is smaller than that of the optical fiber unit 21.
In this embodiment, when the winding connection part 12 is not wound around the outer circumference of the optical fiber unit 21, that is, when the winding connection part 12 is in the initial state, the diameter of the cylindrical structure is smaller than the diameter of the optical fiber unit 21, so that when the winding connection part 12 is unwound and wound around the outer circumference of the optical fiber unit 21 under the action of an external force, the diameter of the optical fiber unit 21 is relatively large, the winding connection part 12 is stretched by the optical fiber unit 21, and after the external force disappears, since the winding connection part 12 is made of an elastic material, the winding connection part 12 can gradually recover to the initial state, and at this time, the winding connection part 12 can apply a certain extrusion force to the optical fiber unit 21, thereby ensuring the connection stability of the winding connection part 12 and the optical fiber ribbon split body 20.
Referring to fig. 1 to 5 in combination, in one embodiment of the present application, the adjusting portion 11 includes a folding structure 111, the folding structure 111 is located between two winding connection portions 12, the folding structure 111 includes at least three folds 112, and the folding structure 111 is configured to be able to fold or extend along the folds 112 to extend or retract the adjusting portion 11.
Through the arrangement, the extension or contraction of the adjusting part 11 can be realized, so that the adjusting part 11 can better adapt to the relative position change between two adjacent optical fiber ribbon split bodies 20, and the overall structure of the optical fiber ribbon is more flexible.
Specifically, the expansion and contraction range of the folding structure 111 is 0mm to 2mm, and the interval between two adjacent optical fiber units 21 in the first direction is 255um±50um.
As shown in fig. 3, in one embodiment of the present application, the length of the flexible connection structure 10 is L1, the length of the folded structure 111 in the initial state is L2, and the value range of L2/L1 is 0.2-0.5.
Through the arrangement, the whole telescopic range of the flexible connecting structure 10 can be ensured to be more reasonable.
Specifically, the width of the flexible connection structure 10 is W, the thickness of the flexible connection structure 10 is H, the value range of W is 2.0mm±0.2mm, the value range of H is 0.6mm±0.05mm, the length of the flexible connection structure 10 is L1, and the value range of L1 is 2.0mm±0.2mm.
In one embodiment of the present application, the optical fiber ribbon assembly 20 further includes an auxiliary reinforcing member 40, the auxiliary reinforcing member 40 has a length L3, and the optical fiber unit 21 has a length L4, and the relationship therebetween satisfies the formula: l4=kl 3, where k is the length ratio of the optical fiber unit 21 to the auxiliary reinforcing element 40, and the value range of k is 1.0001+.k+.1.0002.
In this embodiment, the number of the auxiliary reinforcing elements 40 may be set according to actual needs, and the auxiliary reinforcing elements 40 and the optical fiber units 21 are connected together by the adhesive structure 30. Through the arrangement, the length of the optical fiber unit 21 can be slightly larger than that of the auxiliary reinforcing element 40, so that the optical fiber unit 21 forms a positive excess length in the optical fiber ribbon, the excess length ranges from 0 per mill to 0.2 per mill, and the mechanical property and the environmental property of the finished optical cable are ensured. In addition, the auxiliary reinforcing member 40 is provided to enhance the tensile properties of the optical fiber ribbon, and thus, since the tensile properties of the optical fiber ribbon are improved in the manufacture of the optical cable, the size of other reinforcing members for improving the tensile properties of the optical cable in the optical cable can be reduced, thereby further reducing the structural size of the optical cable.
Note that, the actual length of the optical fiber unit 21 is longer than the actual length of the auxiliary reinforcing member 40, but the grown portion is difficult to distinguish by naked eyes, and therefore, the length of the optical fiber unit 21 in fig. 1 to 5 looks similar to the length of the auxiliary reinforcing member 40, which is described herein.
In one embodiment, the optical fiber ribbon split 20 includes two auxiliary reinforcing members 40, and the outer diameters of the two auxiliary reinforcing members 40 are larger than the outer diameters of the optical fiber units 21, and the two auxiliary reinforcing members are uniformly arranged in the plurality of optical fiber units 21 and connected to the optical fiber units 21 by the bonding structure.
Specifically, the auxiliary reinforcing member 40 is made of high-strength polyester fiber or glass fiber, and has an outer diameter of 400 um.+ -. 50um.
Referring to fig. 1 to 5, in one embodiment of the present application, the number of the flexible connection structures 10 is plural, two adjacent optical fiber ribbon split bodies 20 are connected by plural flexible connection structures 10, in the two adjacent optical fiber ribbon split bodies 20, plural flexible connection structures 10 are located at both sides of the two optical fiber ribbon split bodies 20, one end of each flexible connection structure 10 is connected with one of the two optical fiber ribbon split bodies 20, the other end of each flexible connection structure 10 is connected with the other of the two optical fiber ribbon split bodies 20, plural flexible connection structures 10 located at the same side of the optical fiber ribbon split body 20 are arranged at intervals along the length direction of the optical fiber unit 21, and the value range of the interval a between the two adjacent flexible connection structures 10 located at the same side of the optical fiber ribbon split body 20 is 30mm < a < 50mm.
In this embodiment, the connection between two adjacent optical fiber ribbon split bodies 20 is achieved through a plurality of flexible connection structures 10, and two sides of two adjacent optical fiber ribbon split bodies 20 are respectively connected through a plurality of flexible connection structures 10. A plurality of flexible connection structures 10 on each side are spaced apart. Through the arrangement, the connection stability of two adjacent flexible connection structures 10 can be guaranteed, and the unnecessary arrangement of the flexible connection structures 10 can be reduced, so that the cost is reduced.
As shown in fig. 6, the present application provides a manufacturing method for manufacturing the optical fiber ribbon described above, comprising: a plurality of optical fiber units 21 are arranged side by side according to a specific color spectrum to form an optical fiber ribbon split body 20; repeating the above steps to form a plurality of ribbon splitters 20; one optical fiber ribbon split 20 is taken, one end of the flexible connection structure 10 is connected with the optical fiber ribbon split 20, another optical fiber ribbon split 20 is taken, then the other end of the flexible connection structure 10 is connected with the optical fiber ribbon split 20, the stacking connection between the two is realized, and the operation is repeated until all the optical fiber ribbon split 20 are stacked and connected together.
In the present embodiment, the optical fiber unit 21 is a colored optical fiber. Firstly, a plurality of optical fiber units 21 are arranged side by side according to a specific chromatograph to form optical fiber ribbon split bodies 20, a certain number of optical fiber ribbon split bodies 20 are formed according to actual needs, after the required number of optical fiber ribbon split bodies 20 are manufactured, the plurality of optical fiber ribbon split bodies 20 are required to be connected, one optical fiber ribbon split body 20 is taken as a first layer of an optical fiber ribbon, then a required number of flexible connection structures 10 are taken, one end of each flexible connection structure 10 is respectively connected with the optical fiber ribbon split body 20, then one optical fiber ribbon split body 20 is taken as a second layer of the optical fiber ribbon, and the other end of each flexible connection structure 10 is connected with the optical fiber ribbon split body 20, so that stacked connection of the two optical fiber ribbon split bodies 20 is realized. If there are three ribbon segments 20, repeating the above operation means that one ribbon segment 20 is again taken, at this time, the ribbon segment 20 is used as the third layer of the ribbon, then the required number of flexible connection structures 10 are taken, one end of each flexible connection structure 10 is connected to the ribbon segment 20, and then the other end of each flexible connection structure 10 is connected to the ribbon segment 20 as the second layer. Similarly, if there are four or more ribbon components 20, the connection process is similar to that of the third ribbon component 20 and will not be repeated here.
By the above mode, the optical fiber ribbon split bodies 20 of two adjacent layers can be connected with each other, and the optical fiber ribbon split bodies 20 of different layers can be flexibly combined to realize different transmission paths. Higher fiber density can be achieved in a limited space, and a user can flexibly select the number of layers, density, and connection mode of the ribbon components 20 as desired.
In one embodiment of the present application, the step of connecting flexible connection structure 10 to ribbon split 20 comprises: the winding connection portion 12 is wound around the outer circumference of the optical fiber unit 21 through the gap.
In the present embodiment, the winding connection part 12 passes through the gap under the action of the external force, and can be unfolded under the action of the external force, and after passing through the gap, the external force is withdrawn, and the winding connection part 12 is slowly returned from the unfolded state to the wound state (i.e., the initial state), at this time, can be slowly wound around the outer circumference of the optical fiber unit 21, and the connection with the optical fiber ribbon split 20 is realized.
In one embodiment of the present application, the step of arranging the plurality of optical fiber units 21 side by side according to a specific color spectrum further includes: the surface of the optical fiber unit 21 is coated with an adhesive material and then cured; excess adhesive material is removed by a laser device such that the distance between adjacent two of the adhesive structures 30 is a predetermined distance to form the optical fiber ribbon split 20.
In this embodiment, the preset distance is 30mm to 50mm. The method comprises the steps of coating an adhesive material on the surface of the optical fiber units 21, forming an adhesive structure 30 through UV curing or LED curing, connecting a plurality of optical fiber units 21 together, enabling the connected optical fiber units 21 to pass through a visual positioning system (the resolution of the visual positioning system is 5 um), processing image data in real time by using a high-speed image processor, calculating the position and horizontal distance of each optical fiber unit 21 through an algorithm, generating laser with specific frequency by a laser device, and removing all redundant adhesive materials among the optical fiber units 21 according to analysis data of the visual positioning system to finally form the optical fiber ribbon split body 20.
In one embodiment of the application, the laser device adopts an ultraviolet laser with the wavelength of 355nm, the value range of the laser power density is 0.5J/mm to 1.0J/mm, and the laser scanning speed is 100mm/s to 500mm/s. The bonding material is prepared from solvent-free epoxy acrylate resin, melamine formaldehyde resin, an acrylic acid ester reactive diluent, a photoinitiator, an ultraviolet absorber and a stabilizer, wherein the mass percentages of the six are 55%, 10%, 25%, 5%, 3% and 2% respectively.
In this embodiment, the laser device uses an ultraviolet laser with a wavelength of 355nm, the adhesive material contains a photoinitiator, and the absorption wavelength of the photoinitiator is matched with the emission wavelength of the laser, so that the speed of removing the adhesive material by laser can be increased, and the production efficiency is improved.
In one embodiment of the present application, the step of arranging the plurality of optical fiber units 21 side by side according to a specific color spectrum further includes paying out using a paying-out device such that the length of the optical fiber units 21 and the length of the auxiliary reinforcing member 40 satisfy the formula: l4=kl 3, where k is the length ratio of the optical fiber unit 21 to the auxiliary reinforcing element 40, and the value range of k is 1.0001+.k+.1.0002.
In this embodiment, the length of the optical fiber unit 21 and the length of the auxiliary reinforcing element 40 are made to satisfy the formula l4=k×l3 by the paying-off device, so that the optical fiber unit 21 can form a positive excess length in the optical fiber ribbon split 20, and the mechanical performance and the environmental performance of the finished optical cable are ensured.
In one embodiment of the present application, there is also provided an optical cable comprising: an outer sheath; and the optical fiber ribbon is arranged in the outer sheath.
In this embodiment, the optical fiber ribbon of the optical cable has all the technical schemes and all the technical effects of the optical fiber ribbon described above, and will not be described herein again.
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects: the optical fiber ribbon split type flexible optical fiber ribbon device is provided with a flexible connection structure and optical fiber ribbon split bodies, the optical fiber ribbon split bodies are sequentially overlapped, two adjacent optical fiber ribbon split bodies are connected through the flexible connection structure, and the flexible connection structure can adapt to the relative position change between the two adjacent optical fiber ribbon split bodies, so that the relative position between each optical fiber ribbon split body can be flexibly changed, the optical fiber ribbon split bodies can be in various forms after being overlapped, the optical fiber ribbon can be in different forms after being overlapped, the overall structure of the optical fiber ribbon is flexible and unfixed, and the optical fiber ribbon can be locally bent, twisted and the like. When the optical fiber ribbon is distributed in the optical cable, the occupied space of the optical fiber ribbon can be reduced through bending and torsion, so that the structural size of the optical cable is reduced, the optical cable can be applied to special scenes with certain requirements on the size of the optical cable, and the applicability of the optical cable is improved.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (15)
1. An optical fiber ribbon, comprising:
a flexible connection structure (10);
at least two optical fiber ribbon split bodies (20) stacked in sequence, wherein two adjacent optical fiber ribbon split bodies (20) are connected through the flexible connection structure (10), the flexible connection structure (10) is configured to be capable of adapting to the relative position change between two adjacent optical fiber ribbon split bodies (20), and the optical fiber ribbon split bodies (20) comprise a plurality of optical fiber units (21) arranged side by side; and
a plurality of bonding structures (30), wherein a plurality of optical fiber units (21) forming the optical fiber ribbon split body (20) are arranged at intervals along a first direction, two adjacent optical fiber units (21) are connected through the plurality of bonding structures (30), and a gap is reserved between the two adjacent bonding structures (30) along a second direction;
the flexible connection structure (10) comprises an adjusting part (11) and two winding connection parts (12), wherein the adjusting part (11) is connected between the two winding connection parts (12), the two winding connection parts (12) are respectively positioned on two opposite sides of the adjusting part (11), the adjusting part (11) is configured to be capable of stretching and bending, and the winding connection parts (12) are configured to pass through the gap and then wind the periphery of the optical fiber unit (21) and generate extrusion acting force on the optical fiber unit (21).
2. Optical fiber ribbon according to claim 1, characterized in that the flexible connection structure (10) is made of an elastic material; and/or, at least two optical fiber ribbon split bodies (20) are sequentially overlapped to form a matrix structure.
3. Optical fiber ribbon according to claim 1, characterized in that the flexible connection structure (10) comprises an adjusting portion (11), the adjusting portion (11) being configured to be able to flex and bend, one end of the adjusting portion (11) being connected to one of the two optical fiber ribbon split bodies (20), the other end of the adjusting portion (11) being connected to the other of the two optical fiber ribbon split bodies (20).
4. The optical fiber ribbon according to claim 1, wherein the winding connection portion (12) has a cylindrical structure, and a diameter of the cylindrical structure is smaller than a diameter of the optical fiber unit (21) when the winding connection portion (12) is not wound around the outer circumference of the optical fiber unit (21).
5. Optical fiber ribbon according to claim 1, characterized in that the adjusting portion (11) comprises a folding structure (111), the folding structure (111) being located between two of the winding connections (12), the folding structure (111) comprising at least three folds (112), the folding structure (111) being configured to be foldable or extendable along the folds (112) to extend or retract the adjusting portion (11).
6. The optical fiber ribbon according to claim 5, wherein the length of the flexible connection structure (10) is L1, the length of the folded structure (111) in the initial state is L2, and the range of values of L2/L1 is 0.2-0.5.
7. The optical fiber ribbon according to claim 1, wherein the optical fiber ribbon split (20) further comprises an auxiliary reinforcing element (40), the auxiliary reinforcing element (40) having a length L3, the optical fiber unit (21) having a length L4, and the relationship therebetween satisfying the formula: l4=kl 3, where k is the length ratio of the optical fiber unit (21) to the auxiliary reinforcing element (40), and the value range of k is 1.0001.ltoreq.k.ltoreq.1.0002.
8. The optical fiber ribbon according to claim 1, wherein the number of the flexible connection structures (10) is plural, two adjacent optical fiber ribbon split bodies (20) are connected through the plural flexible connection structures (10), in the two adjacent optical fiber ribbon split bodies (20), the plural flexible connection structures (10) are located at both sides of the two optical fiber ribbon split bodies (20), one end of each of the flexible connection structures (10) is connected with one of the two optical fiber ribbon split bodies (20), the other end of each of the flexible connection structures (10) is connected with the other of the two optical fiber ribbon split bodies (20), the plural flexible connection structures (10) located at the same side of the optical fiber ribbon split bodies (20) are arranged at intervals along the length direction of the optical fiber unit (21), and the value range of the distance a between the two adjacent flexible connection structures (10) located at the same side of the optical fiber ribbon split bodies (20) is 30mm or less.
9. A manufacturing method for manufacturing the optical fiber ribbon according to any one of claims 1 to 8, comprising:
arranging a plurality of optical fiber units (21) side by side according to a specific color spectrum to form the optical fiber ribbon split body (20);
repeating the above steps to form a plurality of said ribbon segments (20);
one optical fiber ribbon split body (20) is taken, one end of the flexible connection structure (10) is connected with the optical fiber ribbon split body (20), another optical fiber ribbon split body (20) is taken, then the other end of the flexible connection structure (10) is connected with the optical fiber ribbon split body (20), stacking connection between the two is achieved, and the operation is repeated until all the optical fiber ribbon split bodies (20) are stacked and connected together.
10. The method of manufacturing an optical fiber ribbon according to claim 9, wherein the step of connecting the flexible connection structure (10) with the optical fiber ribbon split (20) comprises: the winding connection part is wound around the outer circumference of the optical fiber unit (21) through the gap.
11. The method of manufacturing an optical fiber ribbon according to claim 9, wherein the step of arranging a plurality of the optical fiber units (21) side by side according to a specific color spectrum further comprises:
coating an adhesive material on the surface of the optical fiber unit (21) and then curing the adhesive material;
and removing the redundant adhesive material by using a laser device, so that the distance between two adjacent adhesive structures (30) is a preset distance, thereby forming the optical fiber ribbon split body (20).
12. The method for manufacturing an optical fiber ribbon according to claim 11, wherein the laser device employs an ultraviolet laser with a wavelength of 355nm, the laser power density is in a range of 0.5J/mm to 1.0J/mm, and the laser scanning speed is 100mm/s to 500mm/s.
13. The method of manufacturing an optical fiber ribbon according to claim 11, wherein the adhesive material is made of six components, namely 55%, 10%, 25%, 5%, 3% and 2% by mass, of solvent-free epoxy acrylate resin, melamine formaldehyde resin, acrylate reactive diluent, photoinitiator, ultraviolet absorber and stabilizer.
14. The method of manufacturing an optical fiber ribbon according to claim 8, wherein the step of arranging the plurality of optical fiber units (21) side by side according to a specific color spectrum further includes paying out by a paying-out device such that the length of the optical fiber units (21) and the length of the auxiliary reinforcing member (40) satisfy the formula: l4=kl 3, where k is the length ratio of the optical fiber unit (21) to the auxiliary reinforcing element (40), and the value range of k is 1.0001.ltoreq.k.ltoreq.1.0002.
15. An optical cable, comprising:
an outer sheath; and
the optical fiber ribbon of any one of claims 1-8, the optical fiber ribbon mounted within the outer jacket.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010008923A (en) * | 2008-06-30 | 2010-01-14 | Nippon Telegr & Teleph Corp <Ntt> | Optical fiber cable |
| CN205301624U (en) * | 2016-01-20 | 2016-06-08 | 上海阳安光电有限公司 | Netted optical fiber ribbon of can coiling |
| CN111221074A (en) * | 2018-11-23 | 2020-06-02 | 华为机器有限公司 | Multilayer stacked optical fiber carrier, communication equipment and assembling method |
| CN113359230A (en) * | 2021-05-18 | 2021-09-07 | 烽火通信科技股份有限公司 | Flexible optical fiber ribbon and optical cable |
| CN216696748U (en) * | 2021-12-20 | 2022-06-07 | 长飞光纤光缆股份有限公司 | Flexible optical fiber ribbon |
| CN115032739A (en) * | 2022-05-05 | 2022-09-09 | 南京华信藤仓光通信有限公司 | Flexible optical fiber ribbon |
| CN115524784A (en) * | 2022-11-23 | 2022-12-27 | 长飞光纤光缆股份有限公司 | Self-assembled ultra-dense stacked optical fiber ribbon, preparation method thereof, optical unit and optical fiber ribbon cable |
-
2023
- 2023-08-01 CN CN202310959635.3A patent/CN116699756B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010008923A (en) * | 2008-06-30 | 2010-01-14 | Nippon Telegr & Teleph Corp <Ntt> | Optical fiber cable |
| CN205301624U (en) * | 2016-01-20 | 2016-06-08 | 上海阳安光电有限公司 | Netted optical fiber ribbon of can coiling |
| CN111221074A (en) * | 2018-11-23 | 2020-06-02 | 华为机器有限公司 | Multilayer stacked optical fiber carrier, communication equipment and assembling method |
| CN113359230A (en) * | 2021-05-18 | 2021-09-07 | 烽火通信科技股份有限公司 | Flexible optical fiber ribbon and optical cable |
| CN216696748U (en) * | 2021-12-20 | 2022-06-07 | 长飞光纤光缆股份有限公司 | Flexible optical fiber ribbon |
| CN115032739A (en) * | 2022-05-05 | 2022-09-09 | 南京华信藤仓光通信有限公司 | Flexible optical fiber ribbon |
| CN115524784A (en) * | 2022-11-23 | 2022-12-27 | 长飞光纤光缆股份有限公司 | Self-assembled ultra-dense stacked optical fiber ribbon, preparation method thereof, optical unit and optical fiber ribbon cable |
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| CN116699756A (en) | 2023-09-05 |
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