CN113985548B - Optical fiber ribbon cable - Google Patents
Optical fiber ribbon cable Download PDFInfo
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- CN113985548B CN113985548B CN202111276749.5A CN202111276749A CN113985548B CN 113985548 B CN113985548 B CN 113985548B CN 202111276749 A CN202111276749 A CN 202111276749A CN 113985548 B CN113985548 B CN 113985548B
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 129
- 239000011241 protective layer Substances 0.000 claims abstract description 89
- 239000000835 fiber Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 21
- 210000000988 bone and bone Anatomy 0.000 claims description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 238000002955 isolation Methods 0.000 claims description 19
- 239000004033 plastic Substances 0.000 claims description 17
- 229920003023 plastic Polymers 0.000 claims description 17
- 238000005253 cladding Methods 0.000 claims description 16
- 239000010410 layer Substances 0.000 claims description 15
- 125000006850 spacer group Chemical group 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 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
- 239000011247 coating layer Substances 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 7
- 238000004891 communication Methods 0.000 abstract description 4
- 230000000670 limiting effect Effects 0.000 description 29
- 230000003287 optical effect Effects 0.000 description 20
- 230000000903 blocking effect Effects 0.000 description 9
- 238000002224 dissection Methods 0.000 description 8
- 230000003014 reinforcing effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 210000003484 anatomy Anatomy 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- G02B6/4407—Optical cables with internal fluted support member
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The application belongs to the technical field of optical fiber communication, and discloses an optical fiber ribbon cable which is provided with a framework component, a plurality of main optical fiber ribbons and a protective layer, and is characterized in that: the framework component consists of a framework body and a plurality of framework leaves distributed outside the framework body, a sunken framework groove is formed between every two adjacent framework leaves, and the framework component is of an integrated structure; the protective layer is composed of a protective layer body in a ring column shape and a plurality of groups of accommodating parts protruding inwards from the inner wall of the protective layer body, each group of accommodating parts is composed of a first isolating part, a second isolating part and at least one third isolating part, and each isolating groove is internally provided with at least one main optical fiber ribbon with a coating layer; the protective layer body is located outside the main optical fiber ribbon. The application has the following main beneficial effects: the product diameter is smaller, the material consumption is less, the cost is lower, the fiber core density is higher, and the fiber ribbon is more convenient, quick and easy to take and place.
Description
The application is named: an optical fiber ribbon cable, application number is: 2021100914120, filing date: division of the application patent application at 2021, 01 and 23.
Technical Field
The application belongs to the technical field of optical fiber communication, and particularly relates to an optical fiber ribbon cable.
Background
With the rapid development of information technology, the application of optical fibers and optical fiber ribbons is increasing, and in order to make the cost lower and the optical fiber density larger, the industry is continuously researched and developed, such as optical cables disclosed in the following documents.
CN207457566U discloses a large-pitch skeleton type optical cable, which comprises a skeleton type cable core and an outer sheath, wherein the skeleton type cable core comprises a skeleton and an open skeleton groove arranged at the periphery of the skeleton at intervals, and an optical fiber ribbon is arranged in the skeleton groove. The adoption of the large-pitch framework grooves is beneficial to improving the production speed and efficiency under the same rotation speed of the framework pay-off rack; the torsion pitch of the optical fiber ribbon in the large-pitch framework groove is increased, so that the stress state of the side fibers of the laminated optical fiber ribbon matrix is improved, the control difficulty of the process of entering the groove by the optical fiber ribbon is reduced, and the optical fiber ribbon of unit optical cable length is saved; the large-pitch framework enables the 12-24-core optical fiber ribbon to be used for a framework type optical cable, and the fiber capacity of the optical cable is increased, so that the optical cable cost is reduced.
CN107357013a discloses a skeleton-type optical cable, which comprises a skeleton, a reinforcing member located in the center of the skeleton, a protective layer for integrally covering the skeleton, and a sheath layer for extrusion coating outside the protective layer, wherein a plurality of rectangular skeleton grooves are distributed on the skeleton, a plurality of optical fiber belts are placed in each rectangular skeleton groove, a plurality of belt-shaped optical fibers are arranged in each optical fiber belt, and the skeleton-type optical cable is characterized in that side grooves are formed in two sides of each rectangular skeleton groove, the side grooves in each rectangular skeleton groove are communicated with each rectangular skeleton groove, a power transmission unit or a signal transmission unit is arranged in each side groove, a top opening is formed in each rectangular skeleton groove, the groove can be blocked, and the optical fiber belts are positioned in the grooves. The optical fiber cable has the beneficial technical effects of more flexible use, higher optical fiber density, power transmission, signal transmission, safe and reliable use, convenient laying, low maintenance cost and the like.
CN101881867a discloses an improved skeleton-type optical cable, which at least comprises a skeleton, a reinforcing member, a protective layer and a protective layer; the framework is provided with a plurality of framework grooves, and optical fiber belts are arranged in the framework grooves; the reinforcing piece is positioned in the center of the framework and is integrally extruded with the framework, the protective layer is positioned outside the framework, and the protective layer is coated on the protective layer; the method is characterized in that: the included angle between the side edge and the bottom edge of the framework groove is an obtuse angle, and at least two specifications of optical fiber belts are placed in the framework groove. The method has the beneficial effects that: because the optical fiber ribbons in the same skeleton groove can be designed according to the requirement, single optical fiber ribbon is distributed to single user, waste is avoided, management is more convenient, and cost is lower.
The fiber core density of the layer-twisted optical cable in the prior art is not large, and the size of the loose tube of the layer-twisted ribbon cable is large, so that the overall outer diameter of the product is large, the cost is high, the stripping is inconvenient and the product is easy to crack; the central beam tube type optical fiber ribbon loose tube in the prior art is positioned in the center, and the optical fiber ribbon is laminated in the loose tube as in the layer-stranding type ribbon cable, and because the loose tube is required to rotate during production, the space size of the inner cavity of the loose tube can be ensured, so that the optical fiber ribbon has surplus length, and can adapt to the use of different temperature environments, the inner tube of the loose tube is at least longer than the diagonal length of the optical fiber ribbon, so that the diameter cannot be reduced, in addition, the reinforcing piece is positioned outside the loose tube, the protective layer is arranged outside the loose tube, the reinforcing piece is also covered by the protective layer, and a sufficient distance is required from the outermost edge of the reinforcing piece to the outermost edge of the protective layer, otherwise, the fiber core density of the central beam tube type optical fiber ribbon cable is larger, the cost is higher, and the like; in the prior art, the skeleton-type ribbon-shaped optical fiber cable is formed by laying optical fiber ribbons in skeleton grooves in a stacking manner, as specified in the national post and telecommunications department communication industry standard YD/T981 and described in the three documents, the width of the skeleton grooves is increased along with the increase of the number of single optical fiber ribbons, and a plurality of skeleton grooves need very large skeletons, so that the diameters are increased and the effective utilization products are reduced, and therefore, the core density is still to be increased, the cost is to be reduced and the diameters are to be reduced.
For this reason, it is highly desirable in the industry to solve the above problems.
Disclosure of Invention
In order to solve the above problems, the present application aims to disclose an optical fiber ribbon cable, which is realized by adopting the following technical scheme.
An optical fiber ribbon cable has skeleton part, a plurality of loose cover parts, protective layer, oversheath, its characterized in that: the skeleton part consists of a skeleton body and a plurality of bone leaves distributed outside the skeleton body, a concave skeleton groove is formed between every two adjacent bone leaves, the skeleton part is of an integrated structure, and the outer edges of all the bone leaves are on the same circumference; the cross section of the loose sleeve component is a sector with the apex angle removed, the loose sleeve component is composed of a loose sleeve, a rectangular sleeve main cavity is arranged in the approximate center of the upper edge and the lower edge of the inside of the loose sleeve, a main optical fiber ribbon is positioned in the sleeve main cavity, the length of the sleeve main cavity is far greater than the width of the sleeve main cavity, and the upper symmetry axis and the lower symmetry axis of the sleeve main cavity are overlapped with each other; the small end of the loose sleeve part is positioned in the framework groove, the protective layer is coated outside the loose sleeve part, a blocking cavity is arranged between the adjacent loose sleeve parts, and the outer sheath is coated outside the protective layer.
An optical fiber ribbon cable has skeleton part, a plurality of loose cover parts, protective layer, oversheath, its characterized in that: the skeleton part consists of a skeleton body and a plurality of bone leaves distributed outside the skeleton body, a concave skeleton groove is formed between every two adjacent bone leaves, the skeleton part is of an integrated structure, and the outer edges of all the bone leaves are on the same circumference; the cross section of the loose sleeve component is a sector with the apex angle removed, the loose sleeve component is composed of a loose sleeve, a rectangular sleeve main cavity is arranged in the approximate center of the upper edge and the lower edge of the inside of the loose sleeve, a main optical fiber ribbon is positioned in the sleeve main cavity, the length of the sleeve main cavity is far greater than the width of the sleeve main cavity, and the upper symmetry axis and the lower symmetry axis of the sleeve main cavity are overlapped with each other; the inner wall of protective layer is gone up and is had a plurality of first isolation parts of inwards protrusion, and the tip of loose cover part is located the skeleton inslot, and the protective layer cladding is outside loose cover part, has the separation chamber between the adjacent loose cover part, and first isolation part is located the outer end of separation chamber, and the oversheath cladding is outside the protective layer.
An optical fiber ribbon cable has skeleton part, a plurality of loose cover parts, protective layer, oversheath, its characterized in that: the skeleton part consists of a skeleton body and a plurality of bone leaves distributed outside the skeleton body, a concave skeleton groove is formed between every two adjacent bone leaves, the skeleton part is of an integrated structure, and the outer edges of all the bone leaves are on the same circumference; the loose sleeve component consists of a loose sleeve, an upper limiting component and a lower limiting component, the cross section of the loose sleeve is a sector with a vertex angle removed, a rectangular sleeve main cavity is arranged in the approximate center of the upper edge and the lower edge of the interior of the loose sleeve, a main optical fiber ribbon is positioned in the sleeve main cavity, the length of the sleeve main cavity is far greater than the width, the upper symmetry axis and the lower symmetry axis of the sleeve main cavity are overlapped with each other, the upper limiting component is positioned at the approximate outer end of the upper surface of the loose sleeve, and the lower limiting component is positioned at the approximate inner end of the lower surface of the loose sleeve; the small end of each loose sleeve part is positioned in the framework groove, the protective layer is coated outside the loose sleeve parts, a blocking cavity is arranged between the adjacent loose sleeve parts, the upper limiting part on one side of each loose sleeve part is propped against the upper limiting part of the next loose sleeve part, and the lower limiting part on the other side of each loose sleeve part is propped against the lower limiting part of the next loose sleeve part; the upper limiting part and the lower limiting part are both positioned in the blocking cavity, and the outer sheath is coated outside the protective layer.
An optical fiber ribbon cable has skeleton part, a plurality of loose cover parts, protective layer, oversheath, its characterized in that: the skeleton part consists of a skeleton body and a plurality of bone leaves distributed outside the skeleton body, a concave skeleton groove is formed between every two adjacent bone leaves, the skeleton part is of an integrated structure, and the outer edges of all the bone leaves are on the same circumference; the loose sleeve component consists of a loose sleeve, an upper limiting component and a lower limiting component, the cross section of the loose sleeve is a sector with a vertex angle removed, a sleeve main cavity and two sleeve auxiliary cavities are arranged in the loose sleeve, the two sleeve auxiliary cavities are respectively positioned on the upper side and the lower side of the sleeve main cavity and are parallel to the sleeve main cavity, the outer edge of the sleeve auxiliary cavity is vertically close to the same plane with the outer edge of the sleeve main cavity, the main optical fiber ribbon is positioned in the sleeve main cavity, the auxiliary optical fiber ribbon is positioned in the sleeve auxiliary cavity, and the number of optical fibers in the auxiliary optical fiber ribbon is smaller than that in the main optical fiber ribbon. The main sleeve cavity is not communicated with the auxiliary sleeve cavity, the upper limiting part is positioned at the near outer end of the upper surface of the loose sleeve, and the lower limiting part is positioned at the near inner end of the lower surface of the loose sleeve; the small end of each loose sleeve part is positioned in the framework groove, the protective layer is coated outside the loose sleeve parts, a blocking cavity is arranged between the adjacent loose sleeve parts, the upper limiting part on one side of each loose sleeve part is propped against the upper limiting part of the next loose sleeve part, and the lower limiting part on the other side of each loose sleeve part is propped against the lower limiting part of the next loose sleeve part; the upper limiting part and the lower limiting part are both positioned in the blocking cavity, and the outer sheath is coated outside the protective layer.
The optical fiber ribbon cable is characterized in that the main sleeve cavity is communicated with the auxiliary sleeve cavity.
The optical fiber ribbon cable is characterized in that at least one protection layer is arranged between the protection layer and the outer sheath.
An optical fiber ribbon cable has a skeleton member, a plurality of main optical fiber ribbons, a protective layer, characterized in that: the skeleton part consists of a skeleton body and a plurality of bone leaves distributed outside the skeleton body, a concave skeleton groove is formed between every two adjacent bone leaves, the skeleton part is of an integrated structure, and the outer edges of all the bone leaves are on the same circumference; the protective layer is composed of a protective layer body in a ring column shape and a plurality of groups of accommodating parts protruding inwards from the inner wall of the protective layer body, each group of accommodating parts is composed of a first isolating part, a second isolating part and at least one third isolating part, the third isolating part is positioned between the first isolating part and the second isolating part, one ends of the first isolating part, the second isolating part and the third isolating part are all connected with the inner wall of the protective layer body, isolating grooves are formed between the first isolating part and the second isolating part in each group of accommodating parts, between the second isolating part and the third isolating part and between the adjacent third isolating parts, the protective layer is in an integrated structure, a cladding layer is coated outside a main optical fiber band, one end of the cladding layer is positioned in the framework groove, the other end of the cladding layer is positioned in the isolating groove, and in each accommodating part, the third isolating part isolates the adjacent main optical fiber band with the cladding layer; each isolation groove is internally provided with at least one main optical fiber ribbon with a coating layer; the protective layer body is located outside the main optical fiber ribbon.
The optical fiber ribbon cable is characterized in that the outer part of the protective layer body is also provided with an outer sheath.
The above-mentioned optical fiber ribbon cable is characterized in that a small part of the optical fiber ribbon is positioned in the skeleton groove, another small part of the optical fiber ribbon is positioned in the isolation groove, and a middle part of the optical fiber ribbon is positioned between the accommodating part and the bone leaf.
The optical fiber ribbon cable is characterized in that the material of the framework component is plastic or steel or iron or aluminum or alloy or copper.
The optical fiber ribbon cable of the above, wherein the loose tube member is made of plastic, steel, iron, aluminum, alloy or copper.
The optical fiber ribbon cable is characterized in that the material of the protective layer is plastic.
The application relates to an optical fiber ribbon cable which is characterized in that the material of the outer sheath is plastic.
The optical fiber ribbon cable is characterized in that the upper limiting component and the lower limiting component are made of plastics.
The application relates to an optical fiber ribbon cable which is characterized in that the materials of a first isolation part, a second isolation part and a third isolation part are all plastics.
The optical fiber ribbon cable is characterized in that the material of the reinforcement member is glass fiber reinforced plastic or aramid yarn or steel or iron or aluminum or alloy or copper.
The optical fiber ribbon cable is characterized in that the material of the coating layer is plastic or steel or iron or aluminum or alloy or copper.
In the above-mentioned optical fiber ribbon cable, preferably, the outer edges of all the bone leaves are on the same circumference; it is also possible that the loose tube parts or the optical fiber ribbons are not placed on the same circumference as long as the protrusions are placed.
In the application, the optical fiber tape is not placed in the main sleeve cavity and the auxiliary sleeve cavity of the loose sleeve component, but an independent optical fiber is arranged in the main sleeve cavity and the auxiliary sleeve cavity, but only one optical fiber can be contained in the main sleeve cavity and the auxiliary sleeve cavity in the width direction, so that the optical fibers in the main sleeve cavity and the auxiliary sleeve cavity are arranged in a straight line or approximately a straight line, and are in a similar strip shape, thereby facilitating the taking and the connection; of course, further, the main sleeve cavity and the auxiliary sleeve cavity are not short, can be of other shapes and can be used for placing a plurality of scattered optical fibers or optical fiber bundles; of course, the multi-layer optical fiber belts can be placed in the main sleeve cavity and the auxiliary sleeve cavity, so that the space can be more effectively utilized; further, the ferrule auxiliary lumen may extend outwardly, not limited to one, but may be of other plural, preferably outwardly from the ferrule main lumen, with the length of the ferrule auxiliary lumen tapering so that different types/cores of optical fibers or ribbons may be placed to better suit the application requirements.
In the application, the coating layer can entirely cover the optical fiber ribbon or is of a tubular structure, such as a cuboid tube, and the like, and is made of steel or iron tubes, and the like, so that the optical fiber ribbon is more beneficial to being erected; in the fifth to seventh embodiments of the present application, the upper and lower symmetry axes of the optical fiber ribbons in the longitudinal direction pass through the central axis of the frame member, so that a plurality of optical fiber ribbons are distributed around the frame member, the bone leaves are small enough to more effectively utilize the space, the number of the optical fiber ribbons is large, and the density of the optical fibers is large; in one step, the opening of the skeleton groove gradually becomes smaller from the skeleton body to the outer edge of the bone leaf, so that the bone leaf can effectively clamp the optical fiber ribbon or the sleeve part after the optical fiber ribbon or the sleeve part is put in due to certain elasticity of the bone leaf, and better fixation is realized.
The application has the following main beneficial effects: the product diameter is smaller, the material consumption is less, the cost is lower, the fiber core density is higher, and the fiber ribbon is more convenient, quick and easy to take and place.
Drawings
Fig. 1 is a schematic perspective view of a section of anatomy of example 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 skeleton member used in fig. 1 after dissection.
Fig. 4 is an enlarged schematic cross-sectional structure of fig. 3.
Fig. 5 is a schematic perspective view of a section of the loose tube assembly used in fig. 1 after dissection.
Fig. 6 is an enlarged schematic cross-sectional structure of fig. 5.
Fig. 7 is a schematic view of a section of anatomy of example 2.
Fig. 8 is an enlarged schematic cross-sectional structure of fig. 7.
Fig. 9 is an enlarged cross-sectional structure schematic view of the protective layer and the first spacer member used in fig. 7.
Fig. 10 is a schematic view showing a three-dimensional structure after a section of dissection in embodiment 3.
Fig. 11 is an enlarged schematic cross-sectional structure of fig. 10.
Fig. 12 is a schematic perspective view of a section of the loose tube assembly used in fig. 10 after dissection.
Fig. 13 is an enlarged schematic cross-sectional structure of fig. 10.
Fig. 14 is a schematic view showing a three-dimensional structure after a section of dissection in embodiment 4.
Fig. 15 is a schematic cross-sectional structure of fig. 14 after enlargement.
Fig. 16 is a schematic perspective view of a section of the loose tube assembly used in fig. 14 after dissection.
Fig. 17 is an enlarged schematic cross-sectional structure of fig. 14.
Fig. 18 is a schematic view showing a three-dimensional structure after a section of dissection in embodiment 5.
Fig. 19 is an enlarged schematic cross-sectional structure of fig. 18.
Fig. 20 is an enlarged cross-sectional structure schematic view of the protective layer, first/second spacer members used in fig. 18.
Fig. 21 is a schematic view showing a three-dimensional structure after a section of dissection in embodiment 6.
Fig. 22 is an enlarged schematic cross-sectional structure of fig. 21.
Fig. 23 is an enlarged schematic cross-sectional structure of the protective layer, first/second/third spacer member used in fig. 21.
Fig. 24 is a partially enlarged schematic cross-sectional structure of the protective layer, the first/second/third spacer members used in embodiment example 7.
In order to more accurately and clearly understand and practice the present application, reference is made to the following reference numerals, taken in conjunction with the accompanying drawings, in which: 1-skeleton members, 2-loose tube members, 3-protective layer, 4-outer jacket, 5-blocking compartment, 11-skeleton body, 12-bone blade, 13-skeleton groove, 21-loose tube, 22-main optical fiber ribbon, 23-main tube cavity, 24-upper limit member, 25-lower limit member, 31-first isolation member, 221-auxiliary optical fiber ribbon, 231-auxiliary tube cavity, 220-coating layer, 30-isolation groove, 32-second isolation member, 6-reinforcement member, 33-third isolation member.
Detailed Description
Example 1
Please refer to fig. 1 to 6, an optical fiber ribbon cable, which has a skeleton member 1, a plurality of loose sleeve members 2, a protective layer 3, and an outer sheath 4, wherein: the framework component 1 is composed of a framework body 11 and a plurality of bone leaves 12 distributed outside the framework body 11, a sunken framework groove 13 is formed between every two adjacent bone leaves 12, the framework component is of an integrated structure, and the outer edges of all the bone leaves 12 are on the same circumference; the cross section of the loose tube component 2 is a sector with apex angles removed, the loose tube component 2 is composed of a loose tube 21, a rectangular tube main cavity 23 is arranged in the approximate center of the upper edge and the lower edge inside the loose tube 21, a main optical fiber ribbon 22 is positioned in the tube main cavity 23, the length of the tube main cavity is far longer than the width, and the upper symmetry axis and the lower symmetry axis of the tube main cavity are overlapped with each other; the small end of the loose sleeve part is positioned in the framework groove 13, the protective layer 3 is coated outside the loose sleeve part, a blocking cavity 5 is arranged between the adjacent loose sleeve parts, and the outer sheath 4 is coated outside the protective layer 3.
Example 2 of the embodiment
Referring to fig. 7 to 9, referring to fig. 1 to 6, an optical fiber ribbon cable has a skeleton member 1, a plurality of loose tube members 2, a protective layer 3, and an outer jacket 4, and is characterized in that: the framework component 1 is composed of a framework body 11 and a plurality of bone leaves 12 distributed outside the framework body 11, a sunken framework groove 13 is formed between every two adjacent bone leaves 12, the framework component is of an integrated structure, and the outer edges of all the bone leaves 12 are on the same circumference; the cross section of the loose tube component 2 is a sector with apex angles removed, the loose tube component 2 is composed of a loose tube 21, a rectangular tube main cavity 23 is arranged in the approximate center of the upper edge and the lower edge inside the loose tube 21, a main optical fiber ribbon 22 is positioned in the tube main cavity 23, the length of the tube main cavity is far longer than the width, and the upper symmetry axis and the lower symmetry axis of the tube main cavity are overlapped with each other; the inner wall of the protective layer 3 is provided with a plurality of first isolation parts 31 protruding inwards, the small ends of the loose sleeve parts are positioned in the framework grooves 13, the protective layer 3 is coated outside the loose sleeve parts, a blocking cavity 5 is arranged between the adjacent loose sleeve parts, the first isolation parts 31 are positioned at the outer ends of the blocking cavities 5, and the outer sheath 4 is coated outside the protective layer 3.
Example 3
Referring to fig. 10 to 13, referring to fig. 1 to 9, an optical fiber ribbon cable has a skeleton member 1, a plurality of loose tube members 2, a protective layer 3, and an outer jacket 4, and is characterized in that: the framework component 1 is composed of a framework body 11 and a plurality of bone leaves 12 distributed outside the framework body 11, a sunken framework groove 13 is formed between every two adjacent bone leaves 12, the framework component is of an integrated structure, and the outer edges of all the bone leaves 12 are on the same circumference; the loose tube part 2 is composed of a loose tube 21, an upper limit part 24 and a lower limit part 25, the cross section of the loose tube 21 is a sector with top angles removed, a rectangular tube main cavity 23 is arranged at the near center of the upper edge and the lower edge inside the loose tube 21, a main optical fiber ribbon 22 is positioned in the tube main cavity 23, the length of the tube main cavity is far longer than the width, the upper symmetry axis and the lower symmetry axis of the tube main cavity coincide with the upper symmetry axis and the lower symmetry axis of the loose tube part, the upper limit part 24 is positioned at the near outer end of the upper surface of the loose tube 21, and the lower limit part 25 is positioned at the near inner end of the lower surface of the loose tube 21; the small end of each loose sleeve part is positioned in the framework groove 13, the protective layer 3 is coated outside the loose sleeve parts, a blocking cavity 5 is arranged between the adjacent loose sleeve parts, the upper limiting part on one side of each loose sleeve part is propped against the upper limiting part of the next loose sleeve part, and the lower limiting part on the other side of each loose sleeve part is propped against the lower limiting part of the next loose sleeve part; the upper limit part and the lower limit part are both positioned in the limit cavity 5, and the outer sheath 4 is coated outside the protective layer 3.
Example 4
Referring to fig. 14 to 17, referring to fig. 1 to 13, a ribbon cable is basically the same as in embodiment 3, except that: the loose tube 21 is internally provided with a tube main cavity 23 and two tube auxiliary cavities 231, the two tube auxiliary cavities 231 are respectively positioned on the upper side and the lower side of the tube main cavity 23 and are parallel to the tube main cavity, the outer edge of the tube auxiliary cavity is vertical to the outer edge of the tube main cavity and approaches to the same plane, the main optical fiber ribbon 22 is positioned in the tube main cavity 23, the auxiliary optical fiber ribbon 221 is positioned in the tube auxiliary cavity 231, and the number of optical fibers in the auxiliary optical fiber ribbon 221 is smaller than that in the main optical fiber ribbon 22. The main sleeve cavity is not communicated with the auxiliary sleeve cavity.
Further, the above-mentioned optical fiber ribbon cable is characterized in that the main ferrule cavity is in communication with the auxiliary ferrule cavity.
In any of embodiments 1 to 4, a plurality of protective layers, such as a waterproof protective layer, a fireproof protective layer, a pressure-proof protective layer, a mesh-proof protective layer, an impact-proof protective layer, and the like, may be further provided between the protective layer and the outer sheath.
Further, in any of embodiments 1-4 of the present application, the outer sheath outside the protective layer may be omitted.
Example 5
Referring to fig. 18 to 20, referring to fig. 1 to 17, a ribbon cable has a skeleton member 1, a plurality of main ribbons 22, and a protective layer 3, and is characterized in that: the framework component 1 is composed of a framework body 11 and a plurality of bone leaves 12 distributed outside the framework body 11, a sunken framework groove 13 is formed between every two adjacent bone leaves 12, the framework component is of an integrated structure, and the outer edges of all the bone leaves 12 are on the same circumference; the protective layer 3 is composed of a protective layer body in a ring column shape and a plurality of groups of accommodating parts protruding inwards from the inner wall of the protective layer body, each group of accommodating parts is composed of a first isolating part 31 and a second isolating part 32, one ends of the first isolating part 31 and the second isolating part 32 are connected with the inner wall of the protective layer body, isolating grooves 30 are arranged between the first isolating part 31 and the second isolating part 32 in each group of accommodating parts, the protective layer 3 is in an integrated structure, the outer side of the main optical fiber ribbon 22 is coated with a coating layer 220, one end of the coating layer 220 is positioned in the skeleton groove 13, the other end of the coating layer 220 is positioned in the isolating grooves 30, and at least one main optical fiber ribbon 22 with the coating layer 220 is arranged in each isolating groove 30; the protective layer body is located outside the main optical fiber ribbon.
Example 6
Referring to fig. 21 to 23, referring to fig. 1 to 20, a ribbon cable is basically the same as in embodiment 5, except that: there is also a reinforcement 6, the reinforcement 6 being located in the centre of the skeleton part 1; the protective layer 3 is composed of a protective layer body in a ring column shape and a plurality of groups of accommodating parts protruding inwards from the inner wall of the protective layer body, each group of accommodating parts is composed of a first isolating part 31, a second isolating part 32 and a third isolating part 33, the third isolating part 33 is positioned between the first isolating part 31 and the second isolating part 32, one ends of the first isolating part 31, the second isolating part 32 and the third isolating part 33 are connected with the inner wall of the protective layer body, isolating grooves 30 are formed between the first isolating part 31 and the second isolating part 32 and between the second isolating part 32 and the third isolating part 33 in each group of accommodating parts, the protective layer 3 is in an integrated structure, the outer surface of the main optical fiber ribbon 22 is coated with a coating layer 220, one end of the coating layer 220 is positioned in the skeleton groove 13, the other end of the coating layer 220 is positioned in the isolating groove 30, and in each accommodating part, the third isolating part 33 isolates two main optical fiber ribbons 22 with the coating layer 220; the protective layer body is located outside the main optical fiber ribbon.
Example 7
Referring to fig. 24, referring to fig. 1 to 23, a ribbon cable is basically the same as in embodiment 6, except that: in each group of accommodating parts, two third isolating parts 33 are arranged between the first isolating part 31 and the second isolating part 32, and isolating grooves 30 are arranged between any adjacent isolating parts; the third spacer member 33 separates three primary optical fiber ribbons 22 having a cladding 220.
Further, each set of receiving members may further have a plurality of third spacer members 33, the third spacer members 33 separating the plurality of primary optical fiber ribbons 22 having the cladding 220.
In any of embodiments 5-7 of the present application, the sheath body may also have an outer sheath on the exterior.
Furthermore, a plurality of protective layers, such as a waterproof protective layer, a fireproof protective layer, a pressure-proof protective layer, a meshing-proof protective layer, an impact-proof protective layer and the like, can be arranged between the protective layer body and the outer sheath.
In any of embodiments 5-7 of the present application, a small portion of the ribbon is located in the skeleton groove, another small portion of the ribbon is located in the isolation groove, and a middle portion of the ribbon is located between the receiving member and the bone leaves, so that the ribbon is easier to take out, easier to separate, and simpler in structure, the cladding layer provides the main ribbon with sufficient rigidity and strength and enables it to stand up, while the thickness of the ribbon in the prior art is only about 0.4mm, which is not possible to stand up; compared with the layer twisted type ribbon optical cable in the prior art, the size is obviously reduced, the material consumption is reduced, and the cost is saved; compared with the central beam tube type ribbon optical cable in the prior art, the space is more effectively utilized, and the reinforcing piece is positioned at the center, so that the diameter is reduced, the material consumption is reduced, the optical fiber ribbon is more conveniently separated, and the strength is obviously increased; compared with the skeleton type ribbon optical cable in the prior art, the skeleton type ribbon optical cable in the prior art has the advantages that the optical fiber ribbons are positioned in the skeleton grooves, so that when the skeleton type ribbon optical cable reaches the same optical fiber density in a transverse or vertical mode, the space required by the skeleton type ribbon optical cable is larger, for example, when the skeleton type ribbon optical cable is transversely placed, the space required by the skeleton type ribbon optical cable is at least the width of the optical fiber ribbons, and when the skeleton type ribbon optical cable is vertically placed, the skeleton type ribbon is at least the length of the optical fiber ribbons, so that the space required by the skeleton type ribbon optical cable is larger; the application effectively and skillfully utilizes the size of the framework component, so that the product has smaller diameter, less material consumption, lower cost and larger fiber core density, and the fiber ribbon is more convenient, faster and easier to take and place.
In embodiment 4 of the present application, different types of optical fiber ribbons are applied in the same loose tube, and space is effectively utilized, so that the optical fiber ribbons have larger fiber core density and are more flexible to use; when the main sleeve cavity and the auxiliary sleeve cavity are communicated, the auxiliary sleeve cavity is more convenient to place and take out, and the space utilization rate is higher; the peeling efficiency is higher.
In the embodiment examples 2-3 of the application, the isolation parts effectively limit the positions of the adjacent sleeve parts, so that the product structure is more stable and reliable; the sleeve member also makes efficient use of space and is easy to access and replace, etc. In embodiment 1, the protection layer is tightly pressed on the loose tube, so that the positioning and limiting effects can be achieved.
The fiber optic ribbon cable of any of the embodiments above, wherein the material of the skeletal member is plastic or steel or iron or aluminum or an alloy or copper.
A fiber optic ribbon cable according to any of the embodiments above, wherein the loose tube member is plastic or steel or iron or aluminum or alloy or copper.
The optical fiber ribbon cable of any embodiment described above, wherein the protective layer is plastic.
The application relates to an optical fiber ribbon cable which is characterized in that the material of the outer sheath is plastic.
The optical fiber ribbon cable of any of the embodiments above, wherein the upper and lower limiting members are all made of plastic.
The application relates to an optical fiber ribbon cable which is characterized in that the materials of a first isolation part, a second isolation part and a third isolation part are all plastics.
The optical fiber ribbon cable of any embodiment described above, wherein the material of the strength member is fiberglass reinforced plastic or aramid yarn or steel or iron or aluminum or alloy or copper.
The optical fiber ribbon cable of any embodiment described above, wherein the material of the cladding is plastic or steel or iron or aluminum or alloy or copper.
The application has the following main beneficial effects: the product diameter is smaller, the material consumption is less, the cost is lower, the fiber core density is higher, and the fiber ribbon is more convenient, quick and easy to take and place.
The above-described embodiments are only preferred embodiments of the present application, and should not be construed as limiting the present application. The protection scope of the present application 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 application are also within the scope of the application.
Claims (10)
1. An optical fiber ribbon cable having a skeleton member (1), a plurality of main optical fiber ribbons (22), a protective layer (3), characterized in that: the framework component (1) is composed of a framework body (11) and a plurality of framework leaves (12) distributed outside the framework body (11), a concave framework groove (13) is formed between every two adjacent framework leaves (12), and the framework component is of an integrated structure; the protective layer (3) is composed of a protective layer body in a ring column shape and a plurality of groups of accommodating parts protruding inwards from the inner wall of the protective layer body, each group of accommodating parts is composed of a first isolating part (31), a second isolating part (32) and at least one third isolating part (33), the third isolating part (33) is positioned between the first isolating part (31) and the second isolating part (32), one end of the first isolating part (31), one end of the second isolating part (32) and one end of the third isolating part (33) are connected with the inner wall of the protective layer body, isolating grooves (30) are formed between the first isolating part (31) and the second isolating part (32) in each group of accommodating parts, between the second isolating part (32) and the third isolating part (33) and between the adjacent third isolating parts (33), the protective layer (3) is in an integrated structure, one end of the cladding layer (220) is positioned in the skeleton groove (13), the other end of the cladding (220) is positioned in the isolating grooves (30), and each accommodating part (33) is provided with adjacent cladding layers (22); each isolation groove (30) has at least one primary fiber optic ribbon (22) having a cladding (220) therein; the protective layer body is located outside the main optical fiber ribbon.
2. The ribbon cable of claim 1 wherein: in each group of accommodating parts, two third isolating parts (33) are arranged between the first isolating part (31) and the second isolating part (32), and isolating grooves (30) are arranged between any two adjacent isolating parts; the third spacer member (33) separates three main optical fiber ribbons (22) having a cladding layer (220).
3. The ribbon cable of claim 1 wherein: in each set of receiving members, a plurality of third spacer members (33) are provided, and the third spacer members (33) separate a plurality of main optical fiber ribbons (22) having a cladding layer (220).
4. A ribbon cable according to claim 1 or claim 2 or claim 3, wherein the sheath body has an outer sheath on the exterior.
5. A fiber optic ribbon cable according to claim 4, wherein the material of the backbone member is plastic or steel or iron or aluminum or alloy or copper.
6. The ribbon cable of claim 4 wherein the material of the protective layer is plastic.
7. The ribbon cable of claim 4 wherein the material of the outer jacket is plastic.
8. A fiber optic ribbon cable according to claim 1 or claim 2 or claim 3, wherein a small portion of the ribbon is positioned within the backbone groove, another small portion of the ribbon is positioned within the spacer groove, and a middle portion of the ribbon is positioned between the receiving member and the bone lobes.
9. The fiber optic ribbon cable of claim 8, wherein the fiber optic ribbon is upstanding within the spacer channel and within the backbone channel.
10. A fiber optic ribbon cable according to claim 1 or claim 2 or claim 3, wherein the strength members are provided within the carcass member and the material of the strength members is glass fiber reinforced plastic or aramid yarn or steel or iron or aluminum or alloy or copper.
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| CN202111276749.5A CN113985548B (en) | 2021-01-23 | 2021-01-23 | Optical fiber ribbon cable |
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| CN202110091412.0A CN112835162B (en) | 2021-01-23 | 2021-01-23 | Optical fiber ribbon cable |
| CN202111276749.5A CN113985548B (en) | 2021-01-23 | 2021-01-23 | Optical fiber ribbon cable |
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| CN202110091412.0A Division CN112835162B (en) | 2021-01-23 | 2021-01-23 | Optical fiber ribbon cable |
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| CN114675388B (en) * | 2022-05-27 | 2022-12-27 | 江苏亨通光电股份有限公司 | Skeleton type ribbon optical cable and preparation method thereof |
| CN116560026B (en) * | 2023-07-12 | 2023-09-12 | 常熟迅联光电科技有限公司 | Layer stranded optical fiber ribbon optical cable and butterfly-shaped lead-in optical cable with optical fiber ribbon |
| CN116598058B (en) * | 2023-07-18 | 2023-09-12 | 江苏永鼎股份有限公司 | Optical fiber ribbon cable and cable with bent power transmission unit |
| CN117111245B (en) * | 2023-10-25 | 2023-12-22 | 江苏永鼎股份有限公司 | Flame-retardant optical fiber ribbon cable |
| CN118068501B (en) * | 2024-04-17 | 2024-07-16 | 常熟市邦知光电科技有限公司 | Photoelectric hybrid optical cable |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113985548A (en) | 2022-01-28 |
| CN112835162B (en) | 2024-07-19 |
| CN112835162A (en) | 2021-05-25 |
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