CN111208613A - Optical fiber ribbon optical cable and optical fiber ribbon composite cable - Google Patents
Optical fiber ribbon optical cable and optical fiber ribbon composite cable Download PDFInfo
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- CN111208613A CN111208613A CN202010083664.4A CN202010083664A CN111208613A CN 111208613 A CN111208613 A CN 111208613A CN 202010083664 A CN202010083664 A CN 202010083664A CN 111208613 A CN111208613 A CN 111208613A
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- optical fiber
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/0045—Cable-harnesses
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
Abstract
The invention belongs to the field of communication and electric power, and relates to an optical fiber ribbon cable which is provided with a reinforcement body consisting of two identical reinforcements, a plurality of optical fiber ribbons positioned outside the reinforcement body, a protective layer covering all the optical fiber ribbons, and an outer sheath positioned outside the protective layer; the reinforced structure is characterized in that each reinforcing piece is of a cylindrical structure, and two identical reinforcing pieces are reversely combined to form a complete cylindrical reinforcing piece body structure; each optical fiber ribbon is composed of a plurality of inner-layer optical fibers, a plurality of outer-layer optical fibers positioned on the inner-layer optical fibers and an optical fiber ribbon body covering all the inner-layer optical fibers and the outer-layer optical fibers, and the inner edges of all the optical fiber ribbons are spliced to form a cylinder with a polygonal cross section. The invention also discloses the optical fiber ribbon composite cable. The invention has the following main beneficial effects: the optical fiber has the advantages of high density, novel and simple structure, easy manufacture, high manufacturing speed, convenient coiling and easy storage.
Description
Technical Field
The invention belongs to the field of communication and power, and particularly relates to an optical fiber ribbon optical cable and an optical fiber ribbon composite cable.
Background
CN104570252A discloses an optical fiber ribbon cable, which is composed of a loose tube, a water-resistant layer outside the loose tube, an armor layer outside the water-resistant layer, a plurality of reinforcing members outside the armor layer, and an outer sheath for integrally covering the armor layer and the reinforcing members; the optical fiber ribbon comprises an optical fiber ribbon body and an optical fiber ribbon body wrapping the optical fiber ribbon body, wherein the optical fiber ribbon body consists of an optical fiber ribbon laminate and optical fiber ribbons positioned on the left side and the right side of the optical fiber ribbon laminate, and the optical fiber ribbon laminate is formed by sequentially laminating a plurality of optical fiber ribbons from top to bottom; the cross section of the optical fiber belt body is rectangular, and the vertex of the rectangle is in contact with the inner wall of the loose tube body or slightly has a gap. The size of the loose tube is reduced by overlapping the left and right band bodies, so that the product has smaller outer diameter, less material consumption and lower cost; which does not increase the number of optical fibers in the same ribbon.
CN108490564A discloses a non-metallic reinforcement for optical cable, which is characterized in that the reinforcement comprises a fan-shaped column body and a convex part protruding out of the fan-shaped column body; the fan-shaped body is enclosed by a first plane, a second plane and an arc surface; the convex part is protruded out of the second plane; the concave part is recessed inside the first plane; the shape of the convex part is similar to that of the concave part, the size of the convex part is smaller than that of the concave part, and the convex part can be tightly clamped in the concave part of another non-metal reinforcing piece with the same structure. The invention also discloses a manufacturing method of the reinforcement and an optical cable using the nonmetal reinforcement for the optical cable. The following steps are achieved: more convenient production, faster production speed, convenient storage and management, reduced stock specifications of the reinforcing parts and flexible application to various optical cables. However, the reinforcing member needs four components, so that the number of the reinforcing members is large, and the storage is inconvenient; on the other hand, the individual shapes are complex and are not easy to coil; in addition, two sides of each reinforcing piece are required to be buckled in the manufacturing process, the operation is troublesome, and the manufacturing speed of the product is influenced.
CN101430403A discloses an integrated structural type cluster optical fiber ribbon, which mainly comprises an optical fiber ribbon and an adhesive member; a filling member can also be included; it is characterized in that: the optical fiber ribbon is approximately rectangular, fan-shaped or triangular in shape and comprises at least two optical fibers; the bonding member is used for bonding adjacent optical fiber ribbons. The cross section of the cluster type optical fiber ribbon is approximately round or rectangular; the adhesive piece can also be provided with a tearing opening so as to better peel the optical fiber ribbon; the outside of the bundling optical fiber band can be extruded with a layer of coating. It saves a great deal of capital for import equipment of optical cable manufacturing enterprises or purchasing domestic large-scale equipment; the expenditure for training the operators is saved; the distribution work of the optical fiber ribbon is simplified; the utilization rate of the optical fiber ribbon is improved; the capacity of the single optical fiber ribbon is enlarged; however, it is preferred that the application be a single loose tube, which allows for better utilization of the space of the loose tube to increase fiber density and ease of stripping the ribbon and fibers.
None of the above documents, nor their combinations, solves the following problems: (1) how to adopt better reinforcers, so that the number of the reinforcers is reduced, and the reinforcers are easy to coil and store; (2) the method is used for the optical cable with the non-sleeve structure on the premise of expanding the optical fiber density in the optical fiber ribbon; (3) how to make the production speed of the optical cable or the optical cable with the optical fiber ribbon faster.
Disclosure of Invention
In order to solve the above problems, the present invention discloses an optical fiber ribbon cable and an optical fiber ribbon composite cable, which are implemented by the following technical solutions.
A fiber ribbon optical cable is provided with a reinforcement body consisting of two identical reinforcements, four fiber ribbons positioned outside the reinforcement body, a protective layer covering all the fiber ribbons, and an outer sheath positioned outside the protective layer; the reinforcement is characterized in that each reinforcement is a cylinder structure formed by encircling a first small semi-cylinder side surface which starts to extend outwards from the top of a plane part of a large semi-cylinder, a second small semi-cylinder side surface which starts to extend inwards from the bottom of the plane part of the large semi-cylinder and a cylinder side surface of the large semi-cylinder, wherein the sum of the diameter of the first small semi-cylinder and the diameter of the second small semi-cylinder is equal to the diameter of the large semi-cylinder, and the lower edge of the first small semi-cylinder is coincided with the upper edge of the second small semi-cylinder; two completely same reinforcing parts are combined in an inverted way to form a complete cylindrical reinforcing part body structure; each optical fiber ribbon consists of a plurality of inner-layer optical fibers, a plurality of outer-layer optical fibers positioned on the inner-layer optical fibers and an optical fiber ribbon body covering all the inner-layer optical fibers and the outer-layer optical fibers, the number of the outer-layer optical fibers is smaller than that of the inner-layer optical fibers, the inner edge of each optical fiber ribbon is a plane, the outer edge of each optical fiber ribbon is a plane, the length of the outer edge of each optical fiber ribbon is smaller than that of the inner edge of each optical fiber ribbon, the perpendicular bisector plane of the inner edge of each optical fiber ribbon and the perpendicular bisector plane of the outer edge of each optical fiber ribbon are superposed and pass through the central; the inner edges of all the optical fiber ribbons are spliced to form a cylinder with a square cross section.
A fiber ribbon cable as described above, wherein the diameter of the first small half cylinder is equal to the diameter of the second small half cylinder.
The optical fiber ribbon cable is characterized in that the material of the reinforcing member is steel or iron or copper or aluminum or plastic.
Further, the optical fiber ribbon cable is characterized in that the material of the reinforcing member is glass fiber reinforced plastic or polyethylene or polypropylene or polyvinyl chloride.
The optical fiber ribbon cable is characterized in that the inner layer optical fiber is a single mode optical fiber or a multimode optical fiber.
The optical fiber ribbon cable is characterized in that the outer layer optical fiber is a single mode optical fiber or a multimode optical fiber.
The optical fiber ribbon cable is characterized in that the optical fiber ribbon can be provided with a plurality of optical fiber ribbons which are larger than two, and the inner edges of the optical fiber ribbons are spliced to form a cylinder with a regular polygon cross section.
The optical fiber ribbon cable is characterized in that the protective layer is made of water-blocking tape, polyester tape, non-woven fabric, steel tape, glass fiber tape or aramid fiber yarn.
The optical fiber ribbon cable is characterized in that the outer sheath is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or nylon or polyvinyl chloride or TPE elastomer or TPU elastomer or polypropylene or polybutylene terephthalate.
A composite cable of an optical fiber ribbon comprises a reinforcing member, four optical fiber ribbons, a protective layer and an outer sheath, wherein the four optical fiber ribbons are positioned outside the reinforcing member; the fiber-optic ribbon is characterized in that each fiber-optic ribbon consists of a plurality of inner-layer optical fibers, a plurality of outer-layer optical fibers positioned on the inner-layer optical fibers and a fiber-optic ribbon body covering all the inner-layer optical fibers and the outer-layer optical fibers, the number of the outer-layer optical fibers is smaller than that of the inner-layer optical fibers, the inner edge of each fiber-optic ribbon is a plane, the outer edge of each fiber-optic ribbon is a plane, the length of the outer edge of each fiber-optic ribbon is smaller than that of the inner edge of each fiber-optic ribbon, the perpendicular bisector plane of the inner edge of each fiber-optic ribbon and the perpendicular bisector plane of; the inner edges of all the optical fiber ribbons are spliced to form a cylinder with a square section; the space formed by the adjacent inner edges and the outer edge of the reinforcing piece is provided with an electric signal line which consists of an insulating layer and a weak electric conductor positioned in the insulating layer.
The optical fiber ribbon composite cable is characterized in that the insulating layer is made of insulating plastic.
Further, the optical fiber ribbon composite cable is characterized in that the insulating layer is made of polyethylene, polypropylene or polyvinyl chloride.
The optical fiber ribbon composite cable is characterized in that the weak conductor is made of copper or aluminum or alloy.
The optical fiber ribbon composite cable is characterized in that the diameter of the first small semi-cylinder is equal to that of the second small semi-cylinder.
The optical fiber ribbon composite cable is characterized in that the material of the reinforcing member is steel or iron or copper or aluminum or plastic.
Further, the optical fiber ribbon composite cable is characterized in that the material of the reinforcing member is glass fiber reinforced plastic or polyethylene or polypropylene or polyvinyl chloride.
The optical fiber ribbon composite cable is characterized in that the inner layer optical fiber is a single mode optical fiber or a multimode optical fiber.
The optical fiber ribbon composite cable is characterized in that the outer layer optical fiber is a single mode optical fiber or a multimode optical fiber.
The optical fiber ribbon composite cable is characterized in that the optical fiber ribbons can be more than two other optical fiber ribbons, and the inner edges of the optical fiber ribbons are spliced to form a cylinder with a regular polygon cross section.
The optical fiber ribbon composite cable is characterized in that the protective layer is made of water-blocking tape, polyester tape, non-woven fabric, steel tape, glass fiber tape or aramid fiber yarn.
The optical fiber ribbon composite cable is characterized in that the outer sheath is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or nylon or polyvinyl chloride or TPE elastomer or TPU elastomer or polypropylene or polybutylene terephthalate.
The invention has the following main beneficial effects: the optical fiber has the advantages of high density, novel and simple structure, easy manufacture, high manufacturing speed, convenient coiling and easy storage.
Drawings
Fig. 1 is a schematic perspective view of a dissected portion of an embodiment 1 of the present invention.
Fig. 2 is an enlarged cross-sectional structure diagram of fig. 1.
Fig. 3 is a schematic perspective view of a dissected portion of the present invention according to example 2.
Fig. 4 is an enlarged cross-sectional view of fig. 3.
Fig. 5 is a schematic perspective view of a dissected portion of the present invention according to example 3.
Fig. 6 is an enlarged cross-sectional view of fig. 5.
Fig. 7 is a schematic cross-sectional structure of embodiment 4 of the present invention.
In order that those skilled in the art will more accurately and clearly understand and practice the present application, reference is now made to the following descriptions taken in conjunction with the accompanying drawings, in which: 1-reinforcing member, 3-protective layer, 4-outer sheath, 5-insulating layer, 6-insulating sleeve, 21-optical fiber ribbon body, 51-weak conductor, 61-strong conductor, 211-outer layer optical fiber, 212-inner layer optical fiber, 213-inner edge.
Detailed Description
Examples 1
Referring to fig. 1 and 2, a fiber ribbon cable has a strength member body composed of two identical strength members 1, four fiber ribbons located outside the strength member body, a protective layer 3 covering all the fiber ribbons, and an outer sheath 4 located outside the protective layer; the reinforcement is characterized in that each reinforcement 1 is a cylinder structure formed by a first small semi-cylinder side surface which starts to extend outwards from the top of a plane part of a large semi-cylinder, a second small semi-cylinder side surface which starts to extend inwards from the bottom of the plane part of the large semi-cylinder and a cylinder side surface of the large semi-cylinder, wherein the sum of the diameter of the first small semi-cylinder and the diameter of the second small semi-cylinder is equal to the diameter of the large semi-cylinder, and the lower edge of the first small semi-cylinder is coincided with the upper edge of the second small semi-cylinder; two completely same reinforcing pieces 1 are reversely combined to form a complete cylindrical reinforcing piece body structure; each optical fiber ribbon consists of a plurality of inner layer optical fibers 212, a plurality of outer layer optical fibers 211 positioned on the inner layer optical fibers and an optical fiber ribbon body 21 covering all the inner layer optical fibers and the outer layer optical fibers, the number of the outer layer optical fibers is less than that of the inner layer optical fibers, the inner edge 213 of each optical fiber ribbon is a plane, the outer edge of each optical fiber ribbon is a plane, the length of the outer edge of each optical fiber ribbon is less than that of the inner edge of each optical fiber ribbon, the perpendicular bisector plane of the inner edge of each optical fiber ribbon and the perpendicular bisector plane of the outer edge of each optical fiber ribbon are superposed and pass through the central axis of the reinforcing member; the inner edges of all the optical fiber ribbons are spliced to form a cylinder with a square cross section.
EXAMPLES example 2
Referring to fig. 3 and 4, and to fig. 1 and 2, a fiber ribbon cable has a strength member body composed of two identical strength members 1, four fiber ribbons disposed outside the strength member body, a protective layer 3 covering all the fiber ribbons, and an outer jacket 4 disposed outside the protective layer; the reinforcement is characterized in that each reinforcement 1 is a cylinder structure formed by a first small semi-cylinder side surface which starts to extend outwards from the top of a plane part of a large semi-cylinder, a second small semi-cylinder side surface which starts to extend inwards from the bottom of the plane part of the large semi-cylinder and a cylinder side surface of the large semi-cylinder, wherein the sum of the diameter of the first small semi-cylinder and the diameter of the second small semi-cylinder is equal to the diameter of the large semi-cylinder, and the lower edge of the first small semi-cylinder is coincided with the upper edge of the second small semi-cylinder; two completely same reinforcing pieces 1 are reversely combined to form a complete cylindrical reinforcing piece body structure; each optical fiber ribbon consists of a plurality of inner layer optical fibers 212, a plurality of outer layer optical fibers 211 positioned on the inner layer optical fibers and an optical fiber ribbon body 21 covering all the inner layer optical fibers and the outer layer optical fibers, the number of the outer layer optical fibers is less than that of the inner layer optical fibers, the inner edge 213 of each optical fiber ribbon is a plane, the outer edge of each optical fiber ribbon is a plane, the length of the outer edge of each optical fiber ribbon is less than that of the inner edge of each optical fiber ribbon, the perpendicular bisector plane of the inner edge of each optical fiber ribbon and the perpendicular bisector plane of the outer edge of each optical fiber ribbon are superposed and pass through the central axis of the reinforcing member; the inner edges of all the optical fiber ribbons are spliced to form a cylinder with a square section; the space formed by the adjacent inner edge and the outer edge of the reinforcement body is provided with an electric signal line which is composed of an insulating layer 5 and a weak electric conductor 51 positioned in the insulating layer 5.
The optical fiber ribbon cable is characterized in that the insulating layer is made of insulating plastic.
Further, the optical fiber ribbon cable is characterized in that the insulating layer is made of polyethylene, polypropylene or polyvinyl chloride.
The optical fiber ribbon cable is characterized in that the weak conductor is made of copper or aluminum or alloy.
A fiber optic ribbon cable according to any of the above embodiments, wherein the diameter of the first small half cylinder is equal to the diameter of the second small half cylinder.
An optical fiber ribbon cable according to any of the above embodiments, wherein the material of the strength member is steel or iron or copper or aluminum or plastic.
Further, a fiber optic ribbon cable according to any of the above embodiments, wherein the material of the strength member is glass fiber reinforced plastic or polyethylene or polypropylene or polyvinyl chloride.
An optical fiber ribbon cable according to any of the above embodiments, wherein the inner layer optical fiber is a single mode optical fiber or a multimode optical fiber.
An optical fiber ribbon cable according to any of the above embodiments, wherein the outer layer optical fiber is a single mode optical fiber or a multimode optical fiber.
An optical fiber ribbon cable according to any of the above embodiments, wherein the optical fiber ribbon may be a plurality of optical fiber ribbons larger than two, and inner edges of the plurality of optical fiber ribbons are spliced to form a cylinder having a regular polygonal cross section.
An optical fiber ribbon cable according to any of the above embodiments, wherein the material of the protective layer is a water-blocking tape, a polyester tape, a non-woven fabric, a steel tape, a glass fiber tape, or aramid fiber yarn.
An optical fiber ribbon cable according to any of the above embodiments, wherein the material of the outer sheath is low density polyethylene or medium density polyethylene or high density polyethylene or low smoke halogen-free polyethylene or nylon or polyvinyl chloride or TPE elastomer or TPU elastomer or polypropylene or polybutylene terephthalate.
EXAMPLE 3
Referring to fig. 5 and 6, and fig. 1 to 4, a fiber ribbon composite cable has a reinforcing member 1, four fiber ribbons disposed outside the reinforcing member, a protective layer 3 covering all the fiber ribbons, and an outer sheath 4 disposed outside the protective layer; the fiber-optic ribbon is characterized in that each fiber-optic ribbon consists of a plurality of inner-layer optical fibers 212, a plurality of outer-layer optical fibers 211 positioned on the inner-layer optical fibers and a fiber-optic ribbon body 21 covering all the inner-layer optical fibers and the outer-layer optical fibers, the number of the outer-layer optical fibers is less than that of the inner-layer optical fibers, the inner edge 213 of each fiber-optic ribbon is a plane, the outer edge of each fiber-optic ribbon is a plane, the length of the outer edge of each fiber-optic ribbon is less than that of the inner edge of each fiber-optic ribbon, the perpendicular bisector plane of the inner edge of each fiber-optic ribbon and the perpendicular bisector; the inner edges of all the optical fiber ribbons are spliced to form a cylinder with a square section; the space formed by the adjacent inner edge and the outer edge of the reinforcing member is provided with an electric signal line which is composed of an insulating layer 5 and a weak electric conductor 51 positioned in the insulating layer 5.
EXAMPLE 4
Referring to fig. 7 and fig. 1 to 6, a composite cable with optical fiber ribbon includes a strength member 1, four optical fiber ribbons disposed outside the strength member, a protective layer 3 covering all the optical fiber ribbons, and an outer sheath 4 disposed outside the protective layer; the fiber-optic ribbon is characterized in that each fiber-optic ribbon consists of a plurality of inner-layer optical fibers 212, a plurality of outer-layer optical fibers 211 positioned on the inner-layer optical fibers and a fiber-optic ribbon body 21 covering all the inner-layer optical fibers and the outer-layer optical fibers, the number of the outer-layer optical fibers is less than that of the inner-layer optical fibers, the inner edge 213 of each fiber-optic ribbon is a plane, the outer edge of each fiber-optic ribbon is a plane, the length of the outer edge of each fiber-optic ribbon is less than that of the inner edge of each fiber-optic ribbon, the perpendicular bisector plane of the inner edge of each fiber-optic ribbon and the perpendicular bisector; the inner edges of all the optical fiber ribbons are spliced to form a cylinder with a square section; the space formed by the adjacent inner edge and the outer edge of the reinforcing piece is provided with an electric signal line which consists of an insulating layer 5 and a weak conductor 51 positioned in the insulating layer 5; the interior of the reinforcing piece 1 is provided with three power transmission lines, and each power transmission line consists of a strong electric conductor 61 and an insulating sleeve 6 which coats the strong electric conductor; the three power transmission lines are distributed in a pairwise tangential manner in the reinforcement.
The optical fiber ribbon composite cable is characterized in that the insulating sleeve is made of insulating plastic.
Further, the optical fiber ribbon composite cable is characterized in that the insulating sleeve is made of polyethylene or polypropylene or polyvinyl chloride.
The optical fiber ribbon composite cable is characterized in that the strong conductor is made of copper or aluminum or alloy.
The optical fiber ribbon composite cable is characterized in that the sectional area of the strong conductor is larger than that of the weak conductor.
An optical fiber ribbon composite cable described in embodiment 3 or embodiment 4, wherein the material of the insulating layer is an insulating plastic.
Further, the optical fiber ribbon composite cable is characterized in that the insulating layer is made of polyethylene, polypropylene or polyvinyl chloride.
An optical fiber ribbon composite cable described in embodiment 3 or embodiment 4, wherein the material of the weak electrical conductor is copper or aluminum or an alloy.
An optical fiber ribbon composite cable according to embodiment 3 or embodiment 4, wherein the diameter of the first small half cylinder is equal to the diameter of the second small half cylinder.
An optical fiber ribbon composite cable as described in embodiment 3 or embodiment 4, wherein the material of the reinforcing member is steel or iron or copper or aluminum or plastic.
Further, the optical fiber ribbon composite cable is characterized in that the material of the reinforcing member is glass fiber reinforced plastic or polyethylene or polypropylene or polyvinyl chloride.
An optical fiber ribbon composite cable according to embodiment 3 or embodiment 4, wherein the inner layer optical fiber is a single mode optical fiber or a multimode optical fiber.
An optical fiber ribbon composite cable according to embodiment 3 or embodiment 4, wherein the outer optical fiber is a single mode optical fiber or a multimode optical fiber.
An optical fiber ribbon composite cable described in embodiment 3 or embodiment 4, wherein the material of the protective layer is a water-blocking tape, a polyester tape, a non-woven fabric, a steel tape, a glass fiber tape, or aramid fiber yarn.
In the present invention, the inner layer optical fiber and the outer layer optical fiber may be of G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, or A1b type A1c type.
According to the invention, the optical fiber ribbon has two layers, so that the density of the optical fiber ribbon is effectively increased, a stacking mode is not required, and the manufacturing is simplified; the inner edges of the optical fiber ribbons are spliced into a regular polygon, so that the fiber core density can be greatly enlarged, the diameter of a product is more reasonable, the product is not too large, the consumption of other materials is less, and the product cost is lower; the power transmission line can transmit power and also can transmit a plurality of power transmission lines, so that multiple paths and multiple phases can be transmitted simultaneously; the introduction of electrical signal lines can be used for telephone communication and the like; in the invention, the introduction of the reinforcing piece body is easier for coiling and storing because the reinforcing piece is in a semi-cylinder shape, and two reinforcing pieces do not need to be mutually clamped only by penetrating through the die when in use, so that the production speed of a product can be obviously accelerated, and the defect that the product is easy to damage in the prior art is avoided; the optical fiber ribbon is of a flat structure, is obviously different from the structure in the prior art, so that the optical fiber ribbon can be used in a sleeve and a non-sleeve, and simultaneously, the density of optical fibers is effectively improved.
The invention has the following main beneficial effects: the optical fiber has the advantages of high density, novel and simple structure, easy manufacture, high manufacturing speed, convenient coiling and easy storage.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limiting the present invention. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (10)
1. An optical fiber ribbon optical cable is provided with a reinforcement body consisting of two identical reinforcements, a plurality of optical fiber ribbons positioned outside the reinforcement body, a protective layer for coating all the optical fiber ribbons, and an outer sheath positioned outside the protective layer; the reinforcement is characterized in that each reinforcement is a cylinder structure formed by encircling a first small semi-cylinder side surface which starts to extend outwards from the top of a plane part of a large semi-cylinder, a second small semi-cylinder side surface which starts to extend inwards from the bottom of the plane part of the large semi-cylinder and a cylinder side surface of the large semi-cylinder, wherein the sum of the diameter of the first small semi-cylinder and the diameter of the second small semi-cylinder is equal to the diameter of the large semi-cylinder, and the lower edge of the first small semi-cylinder is coincided with the upper edge of the second small semi-cylinder; two completely same reinforcing parts are combined in an inverted way to form a complete cylindrical reinforcing part body structure; each optical fiber ribbon consists of a plurality of inner-layer optical fibers, a plurality of outer-layer optical fibers positioned on the inner-layer optical fibers and an optical fiber ribbon body covering all the inner-layer optical fibers and the outer-layer optical fibers, the number of the outer-layer optical fibers is smaller than that of the inner-layer optical fibers, the inner edge of each optical fiber ribbon is a plane, the outer edge of each optical fiber ribbon is a plane, the length of the outer edge of each optical fiber ribbon is smaller than that of the inner edge of each optical fiber ribbon, the perpendicular bisector plane of the inner edge of each optical fiber ribbon and the perpendicular bisector plane of the outer edge of each optical fiber ribbon are superposed and pass through the central; the inner edges of all the optical fiber ribbons are spliced to form a cylinder with a polygonal cross section.
2. A ribbon optical cable comprises a reinforcement body consisting of two identical reinforcements, a plurality of optical fiber ribbons positioned outside the reinforcement body, a protective layer covering all the optical fiber ribbons, and an outer sheath positioned outside the protective layer; the reinforcement is characterized in that each reinforcement is a cylinder structure formed by encircling a first small semi-cylinder side surface which starts to extend outwards from the top of a plane part of a large semi-cylinder, a second small semi-cylinder side surface which starts to extend inwards from the bottom of the plane part of the large semi-cylinder and a cylinder side surface of the large semi-cylinder, wherein the sum of the diameter of the first small semi-cylinder and the diameter of the second small semi-cylinder is equal to the diameter of the large semi-cylinder, and the lower edge of the first small semi-cylinder is coincided with the upper edge of the second small semi-cylinder; two completely same reinforcing parts are combined in an inverted way to form a complete cylindrical reinforcing part body structure; each optical fiber ribbon consists of a plurality of inner-layer optical fibers, a plurality of outer-layer optical fibers positioned on the inner-layer optical fibers and an optical fiber ribbon body covering all the inner-layer optical fibers and the outer-layer optical fibers, the number of the outer-layer optical fibers is smaller than that of the inner-layer optical fibers, the inner edge of each optical fiber ribbon is a plane, the outer edge of each optical fiber ribbon is a plane, the length of the outer edge of each optical fiber ribbon is smaller than that of the inner edge of each optical fiber ribbon, the perpendicular bisector plane of the inner edge of each optical fiber ribbon and the perpendicular bisector plane of the outer edge of each optical fiber ribbon are superposed and pass through the central; the inner edges of all the optical fiber ribbons are spliced to form a cylinder with a polygonal cross section; the space formed by the adjacent inner edges and the outer edge of the reinforcing piece body is provided with an electric signal line which consists of an insulating layer and a weak electric conductor positioned in the insulating layer.
3. A fiber optic ribbon cable according to claim 1 or claim 2, wherein the diameter of the first small half cylinder is equal to the diameter of the second small half cylinder.
4. The fiber optic ribbon cable of claim 3, wherein the strength member is steel or iron or copper or aluminum or plastic.
5. The fiber optic ribbon cable of claim 4, wherein the inner and outer optical fibers are single mode or multi-mode optical fibers.
6. The optical fiber ribbon cable according to claim 5, wherein the material of the protective layer is a water-blocking tape or a polyester tape or a non-woven fabric or a steel tape or a glass fiber tape or an aramid fiber yarn.
7. A composite cable of optical fiber ribbon comprises a reinforcing member, a plurality of optical fiber ribbons outside the reinforcing member, a protective layer covering all the optical fiber ribbons, and an outer sheath outside the protective layer; the fiber-optic ribbon is characterized in that each fiber-optic ribbon consists of a plurality of inner-layer optical fibers, a plurality of outer-layer optical fibers positioned on the inner-layer optical fibers and a fiber-optic ribbon body covering all the inner-layer optical fibers and the outer-layer optical fibers, the number of the outer-layer optical fibers is smaller than that of the inner-layer optical fibers, the inner edge of each fiber-optic ribbon is a plane, the outer edge of each fiber-optic ribbon is a plane, the length of the outer edge of each fiber-optic ribbon is smaller than that of the inner edge of each fiber-optic ribbon, the perpendicular bisector plane of the inner edge of each fiber-optic ribbon and the perpendicular bisector plane of; the inner edges of all the optical fiber ribbons are spliced to form a cylinder with a polygonal cross section; the space formed by the adjacent inner edges and the outer edge of the reinforcing piece is provided with an electric signal line which consists of an insulating layer and a weak electric conductor positioned in the insulating layer.
8. A cable with optical fiber ribbon comprises a reinforcing member, a plurality of optical fiber ribbons arranged outside the reinforcing member, a protective layer for coating all the optical fiber ribbons, and an outer sheath arranged outside the protective layer; the fiber-optic ribbon is characterized in that each fiber-optic ribbon consists of a plurality of inner-layer optical fibers, a plurality of outer-layer optical fibers positioned on the inner-layer optical fibers and a fiber-optic ribbon body covering all the inner-layer optical fibers and the outer-layer optical fibers, the number of the outer-layer optical fibers is smaller than that of the inner-layer optical fibers, the inner edge of each fiber-optic ribbon is a plane, the outer edge of each fiber-optic ribbon is a plane, the length of the outer edge of each fiber-optic ribbon is smaller than that of the inner edge of each fiber-optic ribbon, the perpendicular bisector plane of the inner edge of each fiber-optic ribbon and the perpendicular bisector plane of; the inner edges of all the optical fiber ribbons are spliced to form a cylinder with a polygonal cross section; the space formed by the adjacent inner edges and the outer edge of the reinforcing piece is provided with an electric signal line which consists of an insulating layer and a weak conductor positioned in the insulating layer; the inside of the reinforcing piece is provided with three power transmission lines, and each power transmission line consists of a strong electric conductor and an insulating sleeve covering the strong electric conductor; the three power transmission lines are distributed in a pairwise tangential manner in the reinforcement.
9. The fiber optic ribbon composite cable of claim 8, wherein the cross-sectional area of the strong electrical conductors is greater than the cross-sectional area of the weak electrical conductors.
10. An optical fiber ribbon composite cable according to claim 7, 8 or 9, wherein the diameter of the first small half cylinder is equal to the diameter of the second small half cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010083664.4A CN111208613A (en) | 2020-02-10 | 2020-02-10 | Optical fiber ribbon optical cable and optical fiber ribbon composite cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010083664.4A CN111208613A (en) | 2020-02-10 | 2020-02-10 | Optical fiber ribbon optical cable and optical fiber ribbon composite cable |
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| Publication Number | Publication Date |
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| CN111208613A true CN111208613A (en) | 2020-05-29 |
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| CN202010083664.4A Withdrawn CN111208613A (en) | 2020-02-10 | 2020-02-10 | Optical fiber ribbon optical cable and optical fiber ribbon composite cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113625405A (en) * | 2021-08-30 | 2021-11-09 | 江苏长飞中利光纤光缆有限公司 | Optical fiber ribbon cable |
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2020
- 2020-02-10 CN CN202010083664.4A patent/CN111208613A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113625405A (en) * | 2021-08-30 | 2021-11-09 | 江苏长飞中利光纤光缆有限公司 | Optical fiber ribbon cable |
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Application publication date: 20200529 |
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