CN110780408B - Novel structure optical cable or photoelectric composite cable - Google Patents
Novel structure optical cable or photoelectric composite cable Download PDFInfo
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- CN110780408B CN110780408B CN201911257417.5A CN201911257417A CN110780408B CN 110780408 B CN110780408 B CN 110780408B CN 201911257417 A CN201911257417 A CN 201911257417A CN 110780408 B CN110780408 B CN 110780408B
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- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 11
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- 229920001903 high density polyethylene Polymers 0.000 claims description 11
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/22—Cables including at least one electrical conductor together with optical fibres
-
- 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
-
- 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
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/005—Power cables including optical transmission elements
Abstract
The invention belongs to the field of cables, and particularly relates to a novel-structure optical cable, which is provided with an outer sheath, a plurality of transmission components and a second protection layer positioned outside each transmission component, and is characterized in that at least one protection layer component is also arranged in the outer sheath, and the protection layer component consists of a first supporting component, a first protection layer and a connecting component; at least one end of the first supporting component is connected with the inner wall of the outer sheath, the first protective layer is connected with the two side walls of the first supporting component through the connecting component, and the second protective layer is positioned in the first protective layer; the first protective layer is connected with two side walls of the first supporting part through the connecting part, the second protective layer is positioned in the first protective layer, and the transmission part is an optical fiber; the invention has the advantages of simple structure, convenient construction, good compression resistance, good heat dissipation performance, large fiber core density, photoelectric simultaneous transmission and the like; the invention also discloses a novel structure cable and a novel structure photoelectric composite cable.
Description
Technical Field
The invention belongs to the field of cables, and particularly relates to an optical cable or a cable or an optical-electrical composite cable with a novel structure.
Background
With the continuous development of the national communication and power industry, the cable or the optical cable is used as a connecting wire of each communication component and each power transmission component and must have certain environment adaptability; in the prior art: when the compression-resistant components outside the stranded layers are pressed by deformation and compression of the stranded units due to the pressure, the adjacent stranded units are pressed and deformed due to the mutual contact of the stranded units, so that the transmission performance of the internal optical fibers or wires is affected;
for another example, CN106125228A discloses an easy-to-branch optical cable, which includes an outer sheath, a supporting member disposed in the outer sheath, an inner sheath disposed between the outer sheath and the supporting member, a plurality of optical fiber protection sleeves disposed in the inner sheath, and optical fibers disposed in the optical fiber protection sleeves; the compression resistance is mainly provided by the support and the inner sheath arranged inside the outer sheath, and when the compression point is positioned at the corresponding outer sheath of the inner sheath, the compression resistance is completely determined by the inherent properties of the inner sheath and the outer sheath, so that the applicant considers that there is room for improvement.
Disclosure of Invention
In order to solve the problems, the invention aims to disclose a novel structure optical cable or photoelectric composite cable, which is realized by adopting the following technical scheme.
The novel structure optical cable is provided with an outer sheath, a plurality of transmission components and a second protection layer positioned outside each transmission component, and is characterized in that at least one protection layer component is also arranged in the outer sheath, and the protection layer component consists of a first supporting component, a first protection layer and a connecting component; at least one end of the first supporting component is connected with the inner wall of the outer sheath, the first protective layer is connected with the two side walls of the first supporting component through the connecting component, and the second protective layer is positioned in the first protective layer; the first protective layer is connected with two side walls of the first supporting part through the connecting part, the second protective layer is positioned in the first protective layer, and the transmission part is an optical fiber.
The novel structure optical cable is characterized in that the optical fiber type is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.
The novel structural optical cable is characterized in that the material of the second protective layer is modified polypropylene or polybutylene terephthalate.
The novel structure cable is provided with an outer sheath, a plurality of transmission components and a second protection layer positioned outside each transmission component, and is characterized in that at least one protection layer component is also arranged in the outer sheath, and the protection layer component consists of a first supporting component, a first protection layer and a connecting component; at least one end of the first supporting component is connected with the inner wall of the outer sheath, the first protective layer is connected with the two side walls of the first supporting component through the connecting component, and the second protective layer is positioned in the first protective layer; the first protective layer is connected with two side walls of the first supporting part through the connecting part, the second protective layer is positioned in the first protective layer, and the transmission part is a wire.
A novel structure cable has more gaps between first protective layers in an outer sheath, so that the cable has better radiating effect, the heat aging time of the outer sheath, the first protective layers and the second protective layers of the optical cable is improved, the service life of the cable is prolonged, and higher current can be passed through in a wire through better heat dissipation.
The novel structural optical cable is characterized in that the material of the second protective layer is polyvinyl chloride or flame-retardant polyolefin.
The photoelectric composite cable with the novel structure is provided with an outer sheath, a plurality of transmission components and a second protection layer positioned outside each transmission component, and is characterized in that at least one protection layer component is also arranged in the outer sheath, and the protection layer component consists of a first supporting component, a first protection layer and a connecting component; at least one end of the first supporting component is connected with the inner wall of the outer sheath, the first protective layer is connected with the two side walls of the first supporting component through the connecting component, and the second protective layer is positioned in the first protective layer; the first protective layer is connected with two side walls of the first supporting part through the connecting part, the second protective layer is positioned in the first protective layer, and the transmission part is at least one optical fiber and one knowledge wire.
The photoelectric composite cable with the novel structure is characterized in that the material of the second protective layer outside the lead is polyvinyl chloride or flame-retardant polyolefin; the material of the second protective layer outside the optical fiber is modified polypropylene or polybutylene terephthalate.
The novel optical cable or the photoelectric composite cable is characterized in that when the novel optical cable or the photoelectric composite cable is provided with a plurality of protective layer assemblies, a second supporting component is further arranged in the outer sheath, one end of each first supporting component is connected with the outer wall of the second supporting component, and the other end of each first supporting component is connected with the inner wall of the outer sheath.
Furthermore, the second supporting component is also internally provided with a reinforcing piece, and the reinforcing piece is made of steel wires or glass fiber reinforced plastic rods, so that the tensile property of the optical cable is improved.
The novel structure optical cable or the photoelectric composite cable is characterized in that the outer sheath and the protective layer component are integrally formed by extrusion molding.
The novel structure optical cable or photoelectric composite cable is characterized in that limiting components are arranged at two ends of the first supporting component, two limiting cavities are further formed in the inner side wall of the outer sheath, and the limiting components are clamped into the limiting cavities.
According to the optical cable or the photoelectric composite cable with the novel structure, as the first supporting component connected with the outer sheath is arranged in the outer sheath, when the optical cable is subjected to pressure in the direction parallel to the first supporting component, the outer sheath is not easy to deform, and the internal transmission component is protected from being pressed; meanwhile, as the first protective layer and the transmission part inside the first protective layer are positioned in the inner cavity of the outer sheath and are not contacted with the outer sheath, when the optical cable is subjected to pressure in the direction perpendicular to the first supporting part, part of the pressure in the direction can be counteracted by the deformation of the outer sheath; and the protective layer component and the outer sheath can be separated, so that the outer sheath can be quickly stripped during construction, the construction time is saved, and the construction efficiency is improved.
The optical cable or the photoelectric composite cable with the novel structure is characterized in that the connecting part positioned at one side of the first supporting part is inclined downwards, so that the transmission part in the second protection layer connected with the connecting part can be identified.
The optical cable or the photoelectric composite cable with the novel structure is characterized in that the connecting part is inclined downwards relative to the first supporting part, when the optical cable is subjected to pressure perpendicular to the first supporting part, even if the outer sheath is extruded, the first protective layer is subjected to pressure, the bending of the connecting part can offset a part of the pressure for the transmission part, and the compression resistance of the optical cable is further improved.
The optical cable or photoelectric composite cable with the novel structure is characterized in that the outer sheath material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or nylon or thermoplastic polyurethane elastomer rubber, and when the optical cable or photoelectric composite cable with the novel structure is provided with a plurality of protective layer assemblies 7, in order to identify each protective layer assembly 7 in the outer sleeve 1, color bars can be extruded on the outer wall of the outer sheath 1 corresponding to the first supporting part 2.
Therefore, the invention has the advantages of simple structure, convenient construction, good compression resistance, good heat dissipation performance, large fiber core density, photoelectric simultaneous transmission and the like.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.
Fig. 2 is a schematic view of an outer jacket and a perspective structure of embodiment 1 of the present invention.
Fig. 3 is a schematic perspective view of embodiment 2 of the present invention.
Fig. 4 is a front view of embodiment 3 of the present invention.
Fig. 5 is a front view of the outer sheath of embodiment 3 of the present invention.
Fig. 6 is a front view of embodiment 4 of the present invention.
Fig. 7 is a front view of embodiment 5 of the present invention.
In the figure: 1. the device comprises an outer sheath, a limiting cavity, a first supporting component, a limiting component, a first protecting layer, a connecting component, a transmission component, a second protecting layer, a protecting layer assembly and a second supporting component, wherein the limiting cavity is formed in the outer sheath, the first supporting component is formed in the limiting component, the first protecting layer is formed in the limiting component, the connecting component is formed in the connecting component, the transmission component is formed in the transmission component, the second protecting layer is formed in the transmission component, the protecting layer is formed in the protecting component, the protecting layer assembly is formed in the protecting component, and the second supporting component is formed in the protecting component.
Detailed Description
Example 1
Please refer to fig. 1 and 2, a novel structure optical cable, which has an outer sheath 1, a plurality of transmission components 5 and a second protection layer 6 located outside each transmission component 5, and is characterized in that the outer sheath 1 is further provided with a protection layer assembly 7, the protection layer assembly 7 is composed of a first supporting component 2, a first protection layer 3 and a connecting component 4, two ends of the first supporting component 2 are connected with the inner wall of the outer sheath 1, the first protection layer 3 is connected with two side walls of the first supporting component 2 through the connecting component 4, the second protection layer 6 is located in the first protection layer 3, and the connecting component 4 is horizontally arranged; the transmission component 5 is an optical fiber of which the type is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type; the second protective layer 6 is made of modified polypropylene or polybutylene terephthalate; the outer sheath 1 and the protective layer assembly 7 are integrally formed by extrusion molding; the material of the outer sheath 1 is low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or nylon or thermoplastic polyurethane elastomer rubber.
In this embodiment color bars may be extruded over the connecting parts 4 to distinguish between the transmission parts 5.
In this embodiment, since the first supporting member 2 connected to the outer sheath 1 is disposed in the outer sheath 1, the outer sheath 1 is not easy to deform when the optical cable is subjected to pressure in a direction parallel to the first supporting member 2, so as to protect the internal transmission member 5 from pressure; meanwhile, since the first protection layer 3 and the transmission member 5 inside thereof are located in the inner cavity of the outer sheath 1 and are not in contact with the outer sheath 1, when the optical cable is subjected to pressure in a direction perpendicular to the first support member 2, a part of the pressure in this direction can be also offset by deformation of the outer sheath 1.
Example 2
Please refer to fig. 3, a new type of optical cable with a new structure, which has an outer sheath 1, a plurality of transmission components 5 and a second protection layer 6 located outside each transmission component 5, characterized in that the outer sheath 1 is further provided with a protection layer assembly 7, the protection layer assembly 7 is composed of a first supporting component 2, a first protection layer 3 and a connection component 4, two ends of the first supporting component 2 are connected with the inner wall of the outer sheath 1, the first protection layer 3 is connected with two side walls of the first supporting component 2 through the connection component 4, the second protection layer 6 is located in the first protection layer 3, the connection component 4 located at the left side of the first supporting component 2 is arranged in a downward inclined manner, and the connection component 4 located at the right side of the first supporting component 2 is arranged horizontally, so that the transmission components 5 in the second protection layer 6 connected with the connection component 4 can be identified; the transmission component 5 is an optical fiber of which the type is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type; the second protective layer 6 is made of modified polypropylene or polybutylene terephthalate; the outer sheath 1 and the protective layer assembly 7 are integrally formed by extrusion molding; the material of the outer sheath 1 is low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or nylon or thermoplastic polyurethane elastomer rubber.
In this embodiment, since the connection member 4 is inclined downward with respect to the first support member 2, when the optical cable is subjected to a pressure perpendicular to the first support member 2, even if the outer sheath 1 is pressed to subject the first protective layer 3 to a pressure, a part of the pressure can be offset for the transmission member 5 by bending the connection member 4, thereby further improving the pressure resistance of the optical cable.
Example 3
Please see fig. 4 and 5, a new structure optical cable, which has an outer sheath 1, a plurality of transmission components 5 and a second protection layer 6 located outside each transmission component 5, characterized in that the outer sheath 1 is further provided with a protection layer assembly 7, the protection layer assembly 7 is composed of a first supporting component 2, a first protection layer 3 and a connecting component 4, the first protection layer 3 is connected with two side walls of the first supporting component 2 through the connecting component 4, two ends of the first supporting component 2 are provided with limiting components 21, the second protection layer 6 is located in the first protection layer 3, the connecting component 4 located at the left side of the first supporting component 2 is arranged in a downward inclined manner, the connecting component 4 located at the right side of the first supporting component 2 is arranged in a horizontal manner, so that the transmission components 5 in the second protection layer 6 connected with the connecting component 4 can be identified, two limiting cavities 11 are formed on the inner side wall of the outer sheath 1, and the limiting components 21 are clamped into the limiting cavities 11; the transmission component 5 is an optical fiber of which the type is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type; the second protective layer 6 is made of modified polypropylene or polybutylene terephthalate; the material of the outer sheath 1 is low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or nylon or thermoplastic polyurethane elastomer rubber.
In the above embodiment, the protective layer assembly 7 and the outer sheath 1 are separable, and the outer sheath can be quickly stripped during construction, so that the construction time is saved, and the construction efficiency is improved.
Example 4
Referring to fig. 6, a novel structure optical cable is provided with an outer sheath 1, a plurality of transmission components 5 and a second protection layer 6 positioned outside each transmission component 5, and is characterized in that a plurality of protection layer assemblies 7 and a second support component 8 are further arranged in the outer sheath 1, the protection layer assemblies 7 are composed of a first support component 2, a first protection layer 3 and a connection component 4, the first protection layer 3 is connected with two side walls of the first support component 2 through the connection component 4, one end of the first support component 2 is connected with the outer wall of the second support component 8, a limiting component 21 is arranged at the other end of the first support component 2, the second protection layer 6 is positioned in the first protection layer 3, the connection component 4 positioned at the left side of the first support component 2 is arranged in a downward inclined manner, the connection component 4 positioned at the right side of the first support component 2 is arranged horizontally, so that the transmission components 5 in the second protection layer 6 connected with the connection component 4 can be identified, two limiting cavities 11 are further formed on the inner side walls of the outer sheath 1, and the limiting component 21 is clamped into the limiting cavities 11; the transmission component 5 is an optical fiber of which the type is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type; the second protective layer 6 is made of modified polypropylene or polybutylene terephthalate; the material of the outer sheath 1 is low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or nylon or thermoplastic polyurethane elastomer rubber.
For identification of each protective layer assembly 7 within the jacket 1, color bars may also be extruded on the outer wall of the jacket 1 corresponding to the spacing cavity 11.
Further, the second supporting member 8 is further provided with a reinforcing member, and the reinforcing member is made of steel wires or glass fiber reinforced plastic rods, so as to improve the tensile property of the optical cable.
In this embodiment, the outer sheath 1 has a plurality of protective layer assemblies 7 inside, which improves the core density of the optical cable, reduces the non-fiber cost of each core of optical fiber, and indirectly saves the cost.
Example 5
Please refer to fig. 7, a new type of optical cable with a new structure, which has an outer sheath 1, a plurality of transmission components 5 and a second protection layer 6 located outside each transmission component 5, characterized in that the outer sheath 1 is further provided with a plurality of protection layer components 7, the protection layer components 7 are composed of a first supporting component 2, a first protection layer 3 and a connecting component 4, the first protection layer 3 is connected with two side walls of the first supporting component 2 through the connecting component 4, one end of the first supporting component 2 is connected with the inner wall of the outer sheath 1, the second protection layer 6 is located in the first protection layer 3, the connecting component 4 located at the left side of the first supporting component 2 is arranged in a downward inclined manner, and the connecting component 4 located at the right side of the first supporting component 2 is arranged horizontally, so that the transmission components 5 in the second protection layer 6 connected with the connecting component 4 can be identified; the transmission component 5 is an optical fiber of which the type is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type; the second protective layer 6 is made of modified polypropylene or polybutylene terephthalate; the material of the outer sheath 1 is low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke zero-halogen polyethylene or nylon or thermoplastic polyurethane elastomer rubber; the outer sheath 1 and the protective layer assembly 7 are integrally extrusion molded.
For identification of each protective layer assembly 7 within the casing 1, color bars may also be extruded on the outer wall of the corresponding outer jacket 1 of the first support member 2.
In this embodiment, the outer sheath 1 has a plurality of protective layer assemblies 7 inside, which improves the core density of the optical cable, reduces the non-fiber cost of each core of optical fiber, and indirectly saves the cost.
Example 6
The photoelectric composite cable with the novel structure is provided with an outer sheath 1, a plurality of transmission parts 5 and a second protection layer 6 positioned outside each transmission part 5, and is characterized in that a plurality of protection layer assemblies 7 are further arranged in the outer sheath 1, each protection layer assembly 7 consists of a first supporting part 2, a first protection layer 3 and a connecting part 4, the first protection layer 3 is connected with two side walls of the first supporting part 2 through the connecting part 4, one end of the first supporting part 2 is connected with the inner wall of the outer sheath 1, the second protection layer 6 is positioned in the first protection layer 3, the connecting part 4 positioned at the left side of the first supporting part 2 is arranged in a downward inclination manner, and the connecting part 4 positioned at the right side of the first supporting part 2 is horizontally arranged, so that the transmission parts 5 in the second protection layer 6 connected with the connecting part 4 can be identified; the transmission component 5 is at least one optical fiber and at least one wire; the optical fiber type is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type; the conducting wire is made of copper or aluminum; the material of the second protective layer 6 outside the wire is polyvinyl chloride or flame-retardant polyolefin; the material of the second protective layer 6 outside the optical fiber is modified polypropylene or polybutylene terephthalate; the material of the outer sheath 1 is low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke zero-halogen polyethylene or nylon or thermoplastic polyurethane elastomer rubber; the outer sheath 1 and the protective layer assembly 7 are integrally extrusion molded.
For identification of each protective layer assembly 7 within the casing 1, color bars may also be extruded on the outer wall of the corresponding outer jacket 1 of the first support member 2.
In this embodiment, the outer sheath 1 has a plurality of protective layer assemblies 7 inside, which improves the density of the optical fibers and wires in the optical cable, reduces the non-fiber cost of each core of optical fiber, and indirectly saves the cost.
Example 7
The novel structure cable is provided with an outer sheath 1, a plurality of transmission parts 5 and a second protection layer 6 positioned outside each transmission part 5, and is characterized in that a plurality of protection layer assemblies 7 are further arranged in the outer sheath 1, each protection layer assembly 7 is composed of a first supporting part 2, a first protection layer 3 and a connecting part 4, the first protection layer 3 is connected with two side walls of the first supporting part 2 through the connecting part 4, one end of the first supporting part 2 is connected with the inner wall of the outer sheath 1, the second protection layer 6 is positioned in the first protection layer 3, the connecting part 4 positioned at the left side of the first supporting part 2 is arranged in a downward inclination manner, and the connecting part 4 positioned at the right side of the first supporting part 2 is arranged horizontally, so that the transmission part 5 in the second protection layer 6 connected with the connecting part 4 can be identified; the transmission part 5 is a wire made of copper or aluminum; the material of the second protective layer 6 is polyvinyl chloride or flame-retardant polyolefin; the material of the outer sheath 1 is low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke zero-halogen polyethylene or nylon or thermoplastic polyurethane elastomer rubber; the outer sheath 1 and the protective layer assembly 7 are integrally extrusion molded.
For identification of each protective layer assembly 7 within the casing 1, color bars may also be extruded on the outer wall of the corresponding outer jacket 1 of the first support member 2.
In the embodiment, the inner part of the outer sheath 1 is provided with a plurality of protective layer assemblies 7, so that the density of wires in the optical cable is improved, the non-fiber cost of each core of optical fiber is reduced, and the cost is indirectly saved; meanwhile, more gaps are formed among the first protective layers in the outer sheath, so that the cable has better heat dissipation effect, the heat aging time of the outer sheath 1, the first protective layer 3 and the second protective layer 6 of the optical cable is prolonged, the service life of the cable is prolonged, and higher current can be led to pass through the wires through better heat dissipation.
The invention has the advantages of simple structure, convenient construction, good compression resistance, good heat dissipation performance, large fiber core density, photoelectric simultaneous transmission and the like.
The above-described embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the present invention. The protection scope of the present invention is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (10)
1. A novel structural optical cable having an outer sheath (1), a plurality of transmission members (5) and a second protective layer (6) located outside each transmission member (5), characterized in that: at least one protective layer assembly (7) is further arranged in the outer sheath (1), and the protective layer assembly (7) is composed of a first supporting component (2), a first protective layer (3) and a connecting component (4); at least one end of the first supporting component (2) is connected with the inner wall of the outer sheath (1), the first protective layer (3) is connected with the two side walls of the first supporting component (2) through the connecting component (4), and the second protective layer (6) is positioned in the first protective layer (3); the transmission component (5) is an optical fiber; two ends of the first supporting component (2) are provided with limiting components (21), two limiting cavities (11) are formed in the inner side wall of the outer sheath (1), and the limiting components (21) are clamped into the limiting cavities (11); the connecting part (4) positioned at one side of the first supporting part (2) is inclined downwards.
2. The novel structural fiber optic cable of claim 1, wherein: the optical fiber type is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.
3. A novel structural cable having an outer sheath (1), a plurality of transmission members (5) and a second protective layer (6) located outside each transmission member (5), characterized in that: at least one protective layer assembly (7) is further arranged in the outer sheath (1), and the protective layer assembly (7) is composed of a first supporting component (2), a first protective layer (3) and a connecting component (4); at least one end of the first supporting component (2) is connected with the inner wall of the outer sheath (1), the first protective layer (3) is connected with the two side walls of the first supporting component (2) through the connecting component (4), and the second protective layer (6) is positioned in the first protective layer (3); the transmission component (5) is a wire; two ends of the first supporting component (2) are provided with limiting components (21), two limiting cavities (11) are formed in the inner side wall of the outer sheath (1), and the limiting components (21) are clamped into the limiting cavities (11); the connecting part (4) positioned at one side of the first supporting part (2) is inclined downwards.
4. Novel structure photoelectric composite cable has oversheath (1), a plurality of transmission parts (5) and is located second protective layer (6) outside every transmission part (5), its characterized in that: at least one protective layer assembly (7) is further arranged in the outer sheath (1), and the protective layer assembly (7) is composed of a first supporting component (2), a first protective layer (3) and a connecting component (4); at least one end of the first supporting component (2) is connected with the inner wall of the outer sheath (1), the first protective layer (3) is connected with the two side walls of the first supporting component (2) through the connecting component (4), and the second protective layer (6) is positioned in the first protective layer (3); the transmission component (5) is at least one optical fiber and at least one conducting wire; two ends of the first supporting component (2) are provided with limiting components (21), two limiting cavities (11) are formed in the inner side wall of the outer sheath (1), and the limiting components (21) are clamped into the limiting cavities (11); the connecting part (4) positioned at one side of the first supporting part (2) is inclined downwards.
5. A new construction fiber optic cable according to claim 2, wherein: when the protective layer assembly (7) is arranged, a second supporting component (8) is arranged in the outer sheath (1), one end of each first supporting component (2) is connected with the outer wall of the second supporting component (8), and the other end of the first supporting component (2) is connected with the inner wall of the outer sheath (1); a reinforcing piece is arranged in the second supporting part (8), and the reinforcing piece is made of steel wires or glass fiber reinforced plastic rods; the outer sheath (1) and the protective layer assembly (7) are integrally extrusion molded.
6. A novel structural cable according to claim 3, wherein: when the protective layer assembly (7) is arranged, a second supporting component (8) is arranged in the outer sheath (1), one end of each first supporting component (2) is connected with the outer wall of the second supporting component (8), and the other end of the first supporting component (2) is connected with the inner wall of the outer sheath (1); a reinforcing piece is arranged in the second supporting part (8), and the reinforcing piece is made of steel wires or glass fiber reinforced plastic rods; the outer sheath (1) and the protective layer assembly (7) are integrally extrusion molded.
7. The photoelectric composite cable of claim 4, wherein: when the protective layer assembly (7) is arranged, a second supporting component (8) is arranged in the outer sheath (1), one end of each first supporting component (2) is connected with the outer wall of the second supporting component (8), and the other end of the first supporting component (2) is connected with the inner wall of the outer sheath (1); a reinforcing piece is arranged in the second supporting part (8), and the reinforcing piece is made of steel wires or glass fiber reinforced plastic rods; the outer sheath (1) and the protective layer assembly (7) are integrally extrusion molded.
8. The novel structural fiber optic cable of claim 5, wherein: the material of the outer sheath (1) is low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or nylon or thermoplastic polyurethane elastomer rubber.
9. The novel structural cable of claim 6, wherein: the material of the outer sheath (1) is low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or nylon or thermoplastic polyurethane elastomer rubber.
10. The novel structure photoelectric composite cable according to claim 7, wherein: the material of the outer sheath (1) is low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or nylon or thermoplastic polyurethane elastomer rubber.
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| CN201911257417.5A CN110780408B (en) | 2019-12-10 | 2019-12-10 | Novel structure optical cable or photoelectric composite cable |
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| CN110780408B true CN110780408B (en) | 2024-01-09 |
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| CN110780408A (en) | 2020-02-11 |
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