CN110824649A - Novel resistance to compression optical cable or photoelectricity hybrid cable - Google Patents
Novel resistance to compression optical cable or photoelectricity hybrid cable Download PDFInfo
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- CN110824649A CN110824649A CN201911300531.1A CN201911300531A CN110824649A CN 110824649 A CN110824649 A CN 110824649A CN 201911300531 A CN201911300531 A CN 201911300531A CN 110824649 A CN110824649 A CN 110824649A
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- 230000006835 compression Effects 0.000 title claims abstract description 87
- 238000007906 compression Methods 0.000 title claims abstract description 87
- 230000003287 optical effect Effects 0.000 title claims abstract description 72
- 230000005622 photoelectricity Effects 0.000 title description 2
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 145
- 238000001125 extrusion Methods 0.000 claims abstract description 85
- 239000011241 protective layer Substances 0.000 claims abstract description 27
- 239000013013 elastic material Substances 0.000 claims abstract description 17
- 239000013307 optical fiber Substances 0.000 claims description 104
- 239000010410 layer Substances 0.000 claims description 59
- 230000006837 decompression Effects 0.000 claims description 42
- 239000000835 fiber Substances 0.000 claims 2
- 239000006185 dispersion Substances 0.000 abstract description 2
- -1 polypropylene Polymers 0.000 description 10
- 230000002787 reinforcement Effects 0.000 description 8
- 229920001903 high density polyethylene Polymers 0.000 description 7
- 239000004700 high-density polyethylene Substances 0.000 description 7
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- 229920001179 medium density polyethylene Polymers 0.000 description 7
- 239000004701 medium-density polyethylene Substances 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 229920003020 cross-linked polyethylene Polymers 0.000 description 5
- 239000004703 cross-linked polyethylene Substances 0.000 description 5
- 229920000915 polyvinyl chloride Polymers 0.000 description 5
- 239000004800 polyvinyl chloride Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 4
- 229920001707 polybutylene terephthalate Polymers 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 239000000872 buffer Substances 0.000 description 3
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- 239000004698 Polyethylene Substances 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 229920001778 nylon Polymers 0.000 description 2
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- 239000000779 smoke Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
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- 238000003878 thermal aging Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
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Images
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—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
- G02B6/4415—Cables for special applications
- G02B6/4427—Pressure resistant cables, e.g. undersea 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
- 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
- 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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
-
- 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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Communication Cables (AREA)
Abstract
The invention belongs to the field of cables, and particularly relates to a novel compression-resistant optical cable which is provided with a reinforcing part, a loose tube and an outer protective layer, wherein at least one optical communication part is arranged in the loose tube; the reinforcing part is composed of a reinforcing part main body and a tensile part, a plurality of pressure reducing grooves are formed in the reinforcing part main body, two limiting parts are respectively arranged on two sides of the opening of each pressure reducing groove, the extrusion head is positioned in the pressure reducing grooves, and the reinforcing part main body is made of elastic materials; the invention solves the problem that the supporting part is easy to bend when the pressure is higher; the invention has the advantages of simple structure, good compression resistance, good tensile resistance, good torsion resistance, good heat dispersion and the like; the invention also discloses a novel compression-resistant cable and a photoelectric hybrid cable.
Description
Technical Field
The invention belongs to the field of cables, and particularly relates to a novel compression-resistant optical cable or electric cable or photoelectric hybrid cable.
Background
With the development of the communication industry, people have higher and higher requirements on communication, in areas where pipelines are not laid and overhead laying is impossible, direct-buried laying is often required for construction, and optical cables or photoelectric mixed cables are often required to have high pressure resistance for direct-buried laying;
among the prior art, CN209168806U discloses a resistance to compression power communication cable, including the optical fiber sinle silk, including the conductor, the conductor outside encircles and is provided with the insulating layer, the insulating layer outside is provided with signal shielding ring, signal shielding ring including set up in the outer shielding layer of insulating layer, connect in insulating layer outer wall with connecting band between the shielding layer inner wall, the connecting band is followed the length direction setting of conductor, the connecting band evenly is provided with a plurality of, adjacent two form the holding tank between the connecting band, the optical fiber sinle silk set up in the holding tank, the outside of shielding layer encircles and is provided with the buffer layer, the buffer layer outside encircles and is provided with the outer jacket.
The above prior art has the following disadvantages that 1. the pressure applied to the cable is directly transmitted to the connecting band, when the connecting band exceeds the limit, the connecting band is easy to bend, so that the pressure resistance of the connecting band is greatly reduced, and the connecting band can not be recovered after the pressure is removed; 2. the structure is complicated and is not easy to manufacture.
Disclosure of Invention
In order to solve the problems, the invention aims to disclose a novel pressure-resistant optical cable or electric cable or optical-electric hybrid cable, which is realized by adopting the following technical scheme.
A novel compression-resistant optical cable comprises a reinforcing part, a loose tube positioned outside the reinforcing part and an outer protective layer positioned outside the loose tube, wherein at least one optical communication part is arranged in the loose tube; the reinforcing part comprises reinforcing part main part and the tensile part that is located reinforcing part main part center, still form a plurality of decompression grooves that correspond with the extrusion head in the reinforcing part main part, every decompression groove opening part both sides respectively are equipped with a spacing part, the extrusion head is located the decompression groove, extrusion head top both ends distance is greater than the distance between two spacing parts that correspond, be equipped with a loose sleeve pipe between two adjacent supporting components at least, the reinforcing part main part is elastic material.
The novel pressure-resistant optical cable is characterized in that the optical communication component is a G.652 type optical fiber, a G.653 type optical fiber, a G.654 type optical fiber, a G.655 type optical fiber, a G.656 type optical fiber, a G.657 type optical fiber, an A1a type optical fiber, an A1b type optical fiber or an A1c type optical fiber.
The novel pressure-resistant photoelectric hybrid cable is characterized in that the optical communication component is an optical fiber ribbon composed of at least two optical fibers or an optical fiber ribbon body formed by stacking the at least two optical fiber ribbons.
The novel compression-resistant optical cable is characterized in that the loose tube is made of modified polypropylene or polybutylene terephthalate.
A novel compression-resistant cable comprises a reinforcing part, an insulating layer positioned outside the reinforcing part, and an outer protective layer positioned outside the insulating layer, wherein a lead is arranged in the insulating layer; the reinforcing part comprises reinforcing part main part and the tensile part that is located reinforcing part main part center, still form a plurality of decompression grooves that correspond with the extrusion head in the reinforcing part main part, every decompression groove opening part both sides respectively are equipped with a spacing part, the extrusion head is located the decompression groove, extrusion head top both ends distance is greater than the distance between two spacing parts that correspond, be equipped with an insulating layer between two adjacent supporting components at least, the reinforcing part main part is elastic material.
The novel compression-resistant cable is characterized in that the conducting wire is made of copper or aluminum.
The novel compression-resistant cable is characterized in that the insulating layer is made of polyvinyl chloride or high-density polyethylene or medium-density polyethylene or low-density polyethylene or crosslinked polyethylene.
A novel compression-resistant photoelectric hybrid cable comprises a reinforcing part, at least one loose tube and at least one insulating layer which are positioned outside the reinforcing part, and an outer protective layer which is positioned outside the loose tube and the insulating layer, wherein at least one optical communication part is arranged in the loose tube; the reinforcing part comprises reinforcing part main part and the tensile part that is located reinforcing part main part center, still form a plurality of decompression grooves that correspond with the extrusion head in the reinforcing part main part, every decompression groove opening part both sides respectively are equipped with a spacing part, the extrusion head is located the decompression groove, extrusion head top both ends distance is greater than the distance between two spacing parts that correspond, be equipped with a loose sleeve pipe or insulating layer between two adjacent supporting components at least, the reinforcing part main part is elastic material.
The novel pressure-resistant photoelectric hybrid cable is characterized in that the optical communication component is a G.652 type optical fiber, a G.653 type optical fiber, a G.654 type optical fiber, a G.655 type optical fiber, a G.656 type optical fiber, a G.657 type optical fiber, an A1a type optical fiber, an A1b type optical fiber or an A1c type optical fiber.
The novel pressure-resistant photoelectric hybrid cable is characterized in that the optical communication component is an optical fiber ribbon composed of at least two optical fibers or an optical fiber ribbon body formed by stacking the at least two optical fiber ribbons.
The novel pressure-resistant photoelectric hybrid cable is characterized in that the conducting wire is made of copper or aluminum.
The novel compression-resistant photoelectric hybrid cable is characterized in that the loose tube is made of modified polypropylene or polybutylene terephthalate.
The novel compression-resistant photoelectric hybrid cable is characterized in that the insulating layer is made of polyvinyl chloride or high-density polyethylene or medium-density polyethylene or low-density polyethylene or crosslinked polyethylene.
A novel compression-resistant optical cable comprises a reinforcing part and an outer protective layer positioned outside the reinforcing part, and is characterized in that a compression-resistant belt is arranged between the reinforcing part and the outer protective layer and consists of a compression-resistant belt base belt, the upper surface of the compression-resistant belt base belt is provided with at least one supporting part along the length direction, and each supporting part is provided with an extrusion head; the reinforcing part comprises reinforcing part main part and the tensile part that is located reinforcing part main part center, still form a plurality of decompression grooves that correspond with the extrusion head in the reinforcing part main part, every decompression groove opening part both sides respectively are equipped with a spacing part, are equipped with the open-ended standing groove in the reinforcing part main part between the adjacent decompression groove, be equipped with an optical communication part in the standing groove at least, the extrusion head is located the decompression groove, extrusion head top both ends distance is greater than the distance between two spacing parts that correspond, the reinforcing part main part is elastic material.
The novel pressure-resistant optical cable is characterized in that the optical communication component is a G.652 type optical fiber, a G.653 type optical fiber, a G.654 type optical fiber, a G.655 type optical fiber, a G.656 type optical fiber, a G.657 type optical fiber, an A1a type optical fiber, an A1b type optical fiber or an A1c type optical fiber.
The novel pressure-resistant photoelectric hybrid cable is characterized in that the optical communication component is an optical fiber ribbon composed of at least two optical fibers or an optical fiber ribbon body formed by stacking the at least two optical fiber ribbons.
A novel compression-resistant cable is provided with a reinforcing part and an outer protective layer positioned outside the reinforcing part, and is characterized in that a compression-resistant belt is arranged between the reinforcing part and the outer protective layer and consists of a compression-resistant belt base belt, the upper surface of the compression-resistant belt base belt is provided with at least one supporting part along the length direction, and each supporting part is provided with an extrusion head; the reinforcing part comprises reinforcing part main part and the tensile part that is located reinforcing part main part center, still form a plurality of decompression grooves that correspond with the extrusion head in the reinforcing part main part, every decompression groove opening part both sides respectively are equipped with a spacing part, are equipped with the open-ended standing groove in the reinforcing part main part between the adjacent decompression groove, be equipped with an insulating layer in the standing groove at least, be equipped with the wire in the insulating layer, the extrusion head is located the decompression groove, extrusion head top both ends distance is greater than and corresponds the distance between two spacing parts, the reinforcing part main part is elastic material.
The novel compression-resistant cable is characterized in that the lead 7 is made of copper or aluminum.
The novel compression-resistant cable is characterized in that the insulating layer is made of polyvinyl chloride or high-density polyethylene or medium-density polyethylene or low-density polyethylene or crosslinked polyethylene.
A novel compression-resistant photoelectric hybrid cable comprises a reinforcing part and an outer protective layer positioned outside the reinforcing part, and is characterized in that a compression-resistant belt is arranged between the reinforcing part and the outer protective layer, the compression-resistant belt is composed of compression-resistant belt base belts, the upper surfaces of the compression-resistant belt base belts are provided with at least one supporting part along the length direction, and each supporting part is provided with an extrusion head; the reinforcing part comprises reinforcing part main part and the tensile part that is located reinforcing part main part center, still form a plurality of decompression grooves that correspond with the extrusion head in the reinforcing part main part, every decompression groove opening part both sides respectively are equipped with a stop part, are equipped with the open-ended standing groove in the reinforcing part main part between the adjacent decompression groove, be equipped with at least one insulating layer or at least one optical communication part in the standing groove at least, be equipped with the wire in the insulating layer, the extrusion head is located the decompression groove, extrusion head top both ends distance is greater than and corresponds the distance between two stop parts, the reinforcing part main part is elastic material.
The novel pressure-resistant photoelectric hybrid cable is characterized in that the optical communication component is a G.652 type optical fiber, a G.653 type optical fiber, a G.654 type optical fiber, a G.655 type optical fiber, a G.656 type optical fiber, a G.657 type optical fiber, an A1a type optical fiber, an A1b type optical fiber or an A1c type optical fiber.
The novel pressure-resistant photoelectric hybrid cable is characterized in that the optical communication component is an optical fiber ribbon composed of at least two optical fibers or an optical fiber ribbon body formed by stacking the at least two optical fiber ribbons.
The novel pressure-resistant photoelectric hybrid cable is characterized in that the conducting wire is made of copper or aluminum.
The novel compression-resistant optical cable or electric cable or photoelectric hybrid cable is characterized in that the length of the supporting part is greater than the depth of the pressure reduction groove plus the outer diameter of the surge pipe or the insulating layer.
The novel compression-resistant optical cable or electric cable or photoelectric hybrid 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.
The novel compression-resistant optical cable or electric cable or photoelectric hybrid cable is characterized in that the tensile component is made of steel wires or glass fiber reinforced plastics.
The novel pressure-resistant optical cable or electric cable or photoelectric hybrid cable is characterized in that the pressure-resistant belt is a stainless steel belt or a chromium-plated steel belt.
The novel pressure-resistant optical cable or electric cable or photoelectric hybrid cable is characterized in that the cross section of the extrusion head is in an inverted trapezoid shape.
In the invention, when the optical cable or the electric cable or the photoelectric mixed cable is pressed, the corresponding extrusion heads at or near the pressed part move inwards along the decompression groove, the reinforcing part main bodies at two sides of the extrusion heads move towards two sides, the other two extrusion heads at two sides of the extrusion heads extrude outwards, and the space between the pressure resistant belt base bands at two sides of the extrusion heads and the reinforcing part main bodies is released, so that the loose tube or the insulating layer inside is not extruded; the plurality of pressure resistant belts on the pressure resistant belt also enhances the torsion resistance of the optical cable or the electric cable or the photoelectric mixed cable; because the space is arranged between the pressure resistant belt and the reinforcement main body, heat generated by the working of the wires in the cable or the photoelectric mixed cable can be dissipated through the space, the thermal aging time of the outer sheath of the optical cable and the reinforcement main body is prolonged, the service life of the cable is prolonged, and higher current can pass through the wires through better heat dissipation; in addition, the pressure-resistant belt base band, the supporting part and the extrusion head are made of metal materials, so that the heat conducting device has a good heat conducting effect, and heat generated by the working of the conducting wire can be conducted into the pressure reducing groove through the pressure-resistant belt base band, the supporting part and the extrusion head and is diffused into the external air through the pressure reducing groove.
Therefore, the invention has the advantages of simple structure, good compression resistance, tensile resistance, torsion resistance, heat dispersion and the like.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.
Fig. 2 is a front view 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 schematic perspective view of embodiment 3 of the present invention.
Fig. 5 is a schematic perspective view of embodiment 4 of the present invention.
Fig. 6 is a front view of a reinforcing member according to embodiments 1 to 3 of the present invention.
FIG. 7 is a front view of a reinforcing member according to example 4 of the present invention.
FIG. 8 is a schematic diagram of the compression resistant belt structure of the present invention.
Fig. 9 is a schematic perspective view of a reinforcing tape according to example 4 of the present invention.
In the figure: 1. the optical fiber cable comprises an outer protective layer, 2 parts of a pressure resistant belt, 21 parts of a pressure resistant belt base belt, 22 parts of a supporting component, 23 parts of an extrusion head, 3 parts of a loose tube, 4 parts of an optical communication component, 5 parts of a reinforcing component, 51 parts of a reinforcing component body, 52 parts of a pressure reducing groove, 53 parts of a pressure resistant component, 54 parts of a limiting component, 55 parts of a placing groove, 6 parts of an insulating layer, 7 parts of a lead, 8 parts of a reinforcing belt, 81 parts of a reinforcing belt base belt and 82 parts of a reinforcing belt cushion layer.
Detailed Description
Example 1
Referring to fig. 1, 2, 6 and 8, a novel compression-resistant optical cable comprises a reinforcing member 5, a loose tube 3 located outside the reinforcing member 5, and an outer sheath 1 located outside the loose tube 3, wherein at least one optical communication component 4 is arranged in the loose tube 3, and the novel compression-resistant optical cable is characterized in that a compression-resistant belt 2 is further arranged between the loose tube 3 and the outer sheath 1, the compression-resistant belt 2 is composed of a compression-resistant belt base band 21, at least 3 support components 22 are arranged on the upper surface of the compression-resistant belt base band 21 along the length direction, each support component 22 is provided with an extrusion head 23, and the section of the extrusion head 23 is in an inverted trapezoid shape; reinforcing member 5 comprises reinforcing member main part 51 and the tensile part 53 that is located reinforcing member main part 51 center, still form a plurality of decompression grooves 52 that correspond with extrusion head 23 on reinforcing member main part 51, every decompression groove 52 opening part both sides respectively are equipped with a spacing part 54, extrusion head 23 is located decompression groove 52, extrusion head 23 top both ends distance is greater than the distance between two spacing parts 54 that correspond, be equipped with a loose tube 3 between two adjacent supporting component 22 at least, reinforcing member main part 51 is elastic material.
The novel pressure-resistant optical cable is characterized in that the optical communication component 4 is a G.652 type optical fiber, a G.653 type optical fiber, a G.654 type optical fiber, a G.655 type optical fiber, a G.656 type optical fiber, a G.657 type optical fiber, an A1a type optical fiber, an A1b type optical fiber or an A1c type optical fiber.
The novel compression-resistant optical cable is characterized in that the loose tube 3 is made of modified polypropylene or polybutylene terephthalate.
Alternatively, the above-described part of the loose tube 3 and the optical communication part 4 inside the loose tube 3 may be replaced with a filling rope.
The novel pressure-resistant optical cable is characterized in that the optical communication component 4 is an optical fiber ribbon composed of at least two optical fibers or an optical fiber ribbon body formed by stacking the at least two optical fiber ribbons.
Example 2
Referring to fig. 3, 6 and 8, a novel compression-resistant photoelectric hybrid cable comprises a reinforcement 5, at least one loose tube 3 and at least one insulating layer 6 which are positioned outside the reinforcement 5, and an outer sheath 1 which is positioned outside the loose tube 3 and the insulating layer 6, wherein at least one optical communication component 4 is arranged in the loose tube 3, a conducting wire 7 is arranged in the insulating layer 6, and the sum of the number of the loose tube 3 and the number of the insulating layer 6 is not less than three, and is characterized in that compression-resistant belts 2 are further arranged between the loose tube 3, the insulating layer 6 and the outer sheath 1, each compression-resistant belt 2 is composed of a compression-resistant belt base band 21, at least 3 supporting components 22 are arranged on the upper surface of the compression-resistant belt base band 21 along the length direction, each supporting component 22 is provided with an extrusion head 23, and the section of each extrusion head 23 is; reinforcing member 5 comprises reinforcing member main part 51 and the tensile part 53 that is located reinforcing member main part 51 center, still form a plurality of decompression grooves 52 that correspond with extrusion head 23 on reinforcing member main part 51, every decompression groove 52 opening part both sides respectively are equipped with a spacing part 54, extrusion head 23 is located decompression groove 52, extrusion head 23 top both ends distance is greater than the distance between two spacing parts 54 that correspond, be equipped with a loose tube 3 or insulating layer 6 between two adjacent supporting component 22 at least, reinforcing member main part 51 is elastic material.
The novel pressure-resistant photoelectric hybrid cable is characterized in that the optical communication component 4 is a G.652 type optical fiber, a G.653 type optical fiber, a G.654 type optical fiber, a G.655 type optical fiber, a G.656 type optical fiber, a G.657 type optical fiber, an A1a type optical fiber, an A1b type optical fiber or an A1c type optical fiber.
The novel pressure-resistant photoelectric hybrid cable is characterized in that the optical communication component 4 is an optical fiber ribbon composed of at least two optical fibers or an optical fiber ribbon body formed by stacking the at least two optical fiber ribbons.
The novel pressure-resistant photoelectric hybrid cable is characterized in that the lead 7 is made of copper or aluminum.
The novel compression-resistant photoelectric hybrid cable is characterized in that the loose tube 3 is made of modified polypropylene or polybutylene terephthalate.
The novel compression-resistant photoelectric hybrid cable is characterized in that the insulating layer is made of polyvinyl chloride or high-density polyethylene or medium-density polyethylene or low-density polyethylene or crosslinked polyethylene.
Example 3
Referring to fig. 4, 6 and 8, the novel compression-resistant cable comprises a reinforcement 5, an insulating layer 6 located outside the reinforcement 5, and an outer protective layer 1 located outside the insulating layer 6, wherein a wire 7 is arranged in the insulating layer 6, and is characterized in that a compression-resistant belt 2 is further arranged between the insulating layer 6 and the outer protective layer 1, the compression-resistant belt 2 is composed of a compression-resistant belt base belt 21, at least 3 supporting members 22 are arranged on the upper surface of the compression-resistant belt base belt 21 along the length direction, each supporting member 22 is provided with an extrusion head 23, and the section of each extrusion head 23 is in an inverted trapezoid shape; reinforcing member 5 comprises reinforcing member main part 51 and the tensile part 53 that is located reinforcing member main part 51 center, still form a plurality of decompression grooves 52 that correspond with extrusion head 23 on reinforcing member main part 51, every decompression groove 52 opening part both sides respectively are equipped with a spacing part 54, extrusion head 23 is located decompression groove 52, extrusion head 23 top both ends distance is greater than the distance between two spacing parts 54 that correspond, be equipped with an insulating layer 6 between two adjacent supporting component 22 at least, reinforcing member main part 51 is elastic material.
The novel compression-resistant cable is characterized in that the lead 7 is made of copper or aluminum.
The novel compression-resistant cable is characterized in that the insulating layer is made of polyvinyl chloride or high-density polyethylene or medium-density polyethylene or low-density polyethylene or crosslinked polyethylene.
Example 4
Referring to fig. 5, 7, 8 and 9, a novel pressure-resistant optical cable comprises a strength member 5 and an outer protective layer 1 located outside the strength member 5, and is characterized in that a pressure-resistant belt 2 is further arranged between the strength member 5 and the outer protective layer 1, the pressure-resistant belt 2 is composed of a pressure-resistant belt base belt 21, at least 3 support members 22 are arranged on the upper surface of the pressure-resistant belt base belt 21 along the length direction, each support member 22 is provided with an extrusion head 23, and the section of the extrusion head 23 is in an inverted trapezoid shape; the reinforcing member 5 is composed of a reinforcing member main body 51 and a tensile member 53 located at the center of the reinforcing member main body 51, the reinforcing member main body 51 is also provided with a plurality of pressure reducing grooves 52 corresponding to the extrusion head 23, two sides of the opening of each pressure reducing groove 52 are respectively provided with a limiting component 54, the reinforcing member main body 51 between the adjacent pressure reducing grooves 52 is provided with an open placing groove 55, at least one optical communication component is arranged in the placing groove 55, the extrusion head 23 is positioned in the decompression groove 52, the distance between the two ends of the top of the extrusion head 23 is larger than the distance between the two corresponding limiting parts 54, the main body 51 is made of elastic material, a reinforcing strip 8 is arranged between the base strip 21 of the pressure resistant belt and the main body 51 of the reinforcing part between two adjacent supporting parts 22, the reinforcing tape 8 is composed of a reinforcing tape base tape 81 and a reinforcing tape pad 82 adhered to the reinforcing tape base tape 81, and the width of the reinforcing tape 8 is larger than the width of the placement groove 55.
The novel pressure-resistant optical cable is characterized in that the optical communication component 4 is a G.652 type optical fiber, a G.653 type optical fiber, a G.654 type optical fiber, a G.655 type optical fiber, a G.656 type optical fiber, a G.657 type optical fiber, an A1a type optical fiber, an A1b type optical fiber or an A1c type optical fiber.
The novel pressure-resistant optical cable is characterized in that the optical communication component 4 is an optical fiber ribbon composed of at least two optical fibers or an optical fiber ribbon body formed by stacking the at least two optical fiber ribbons.
The novel compression-resistant optical cable is characterized in that the reinforcing tape base band 81 is made of steel.
The novel compression-resistant optical cable is characterized in that the reinforcing belt cushion layer 82 is made of rubber.
In this embodiment, the reinforcing tape 8 is provided between the pressure-resistant tape base tape 21 and the strength member main body 51, so that the pressure resistance of the optical cable can be increased by the reinforcing tape cushion layer 82, and the tensile strength of the optical cable can be enhanced by the reinforcing tape base tape 81.
A novel crush-resistant optical or electrical or hybrid optical or electrical cable as described in any of the above embodiments wherein the length of the support member 22 is greater than the depth of the pressure relief groove plus the outer diameter of the surge pipe or insulating layer.
The novel compression-resistant optical cable or electric cable or photoelectric hybrid cable according to any of the above embodiments is characterized in that 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.
The novel pressure-resistant optical cable or electric cable or optical-electrical hybrid cable according to any of the above embodiments, characterized in that the material of the tension-resistant part 53 is steel wire or glass fiber reinforced plastic.
The novel pressure-resistant optical cable or electric cable or photoelectric hybrid cable according to any embodiment is characterized in that the pressure-resistant belt 2 is a stainless steel belt or a chrome-plated steel belt.
In the invention, when the optical cable or the electric cable or the optical-electric hybrid cable is pressed, the corresponding extrusion head 23 at or near the pressed part moves inwards along the decompression groove 52, the strength member main bodies 51 at two sides of the extrusion head 23 move towards two sides, so that the other two extrusion heads 23 at two sides of the extrusion head 23 extrude outwards, and the space between the pressure resistant belt base bands 21 and the strength member main bodies 51 at two sides of the extrusion head 23 is released, so that the loose tube 3 or the insulating layer 6 inside is not pressed; the plurality of pressure resistant belts 2 on the pressure resistant belt 2 also enhances the torsion resistance of the optical cable or the electric cable or the photoelectric hybrid cable; because the space is arranged between the pressure resistant belt 2 and the reinforcement main body 51, heat generated by the operation of the lead 7 in the cable or the photoelectric hybrid cable can be dissipated through the space, the thermal aging time of the outer sheath 1 of the optical cable and the reinforcement main body 51 is prolonged, the service life of the cable is prolonged, and higher current can pass through the lead 7 through better heat dissipation; in addition, the pressure resistance belt base belt 21, the supporting part 22 and the extrusion head 23 are made of metal materials, so that the heat conduction effect is good, and the heat generated by the operation of the lead 7 can be conducted into the pressure reduction groove 52 through the pressure resistance belt base belt 21, the supporting part 22 and the extrusion head 23 and is diffused into the external air through the pressure reduction groove 52.
The invention solves the problem that the supporting part is easy to bend when the pressure is higher; the pressure borne by the supporting component buffers the pressure through the size change of each pressure-resistant groove, so as to achieve the effect of protecting the supporting component from bending; and the structure is simple and the manufacture is convenient.
Claims (10)
1. A novel compression-resistant optical cable comprises a reinforcing part (5), a loose tube (3) positioned outside the reinforcing part (5) and an outer protective layer (1) positioned outside the loose tube (3), wherein at least one optical communication part (4) is arranged in the loose tube (3), and the novel compression-resistant optical cable is characterized in that a compression-resistant belt (2) is further arranged between the loose tube (3) and the outer protective layer (1), the compression-resistant belt (2) is composed of a compression-resistant belt base band (21), at least 3 supporting parts (22) are arranged on the upper surface of the compression-resistant belt base band (21) along the length direction, and an extrusion head (23) is arranged on each supporting part (22); reinforcing member (5) comprise reinforcing member main part (51) and tensile part (53) that are located reinforcing member main part (51) center, still form a plurality of decompression groove (52) that correspond with extrusion head (23) on reinforcing member main part (51), every decompression groove (52) opening part both sides respectively are equipped with a spacing part (54), extrusion head (23) are located decompression groove (52), extrusion head (23) top both ends distance is greater than the distance between two spacing parts (54) of correspondence, be equipped with a loose sleeve pipe (3) at least between two adjacent supporting component (22), reinforcing member main part (51) are elastic material.
2. A novel compression-resistant optical cable is provided with a reinforcing part (5) and an outer protective layer (1) positioned outside the reinforcing part (5), and is characterized in that a compression-resistant belt (2) is further arranged between the reinforcing part (5) and the outer protective layer (1), the compression-resistant belt (2) is composed of a compression-resistant belt base belt (21), at least 3 supporting parts (22) are arranged on the upper surface of the compression-resistant belt base belt (21) along the length direction, and an extrusion head (23) is arranged on each supporting part (22); the reinforcing piece (5) is composed of a reinforcing piece main body (51) and a tensile part (53) located at the center of the reinforcing piece main body (51), a plurality of pressure reduction grooves (52) corresponding to the extrusion heads (23) are further formed in the reinforcing piece main body (51), two sides of the opening of each pressure reduction groove (52) are respectively provided with one limiting part (54), an open placing groove (55) is formed in the reinforcing piece main body (51) between the adjacent pressure reduction grooves (52), at least one optical communication part (4) is arranged in each placing groove (55), the extrusion heads (23) are located in the pressure reduction grooves (52), the distance between two ends of the top of each extrusion head (23) is larger than the distance between the corresponding two limiting parts (54), and the reinforcing piece main body (51) is made of elastic materials.
3. A novel crush-resistant optical cable according to claim 1 or claim 2 wherein the extrusion head (23) is of inverted trapezoidal cross-section.
4. A novel compression-resistant cable is provided with a reinforcing part (5) and an outer protective layer (1) positioned outside the reinforcing part (5), and is characterized in that a compression-resistant belt (2) is further arranged between the reinforcing part (5) and the outer protective layer (1), the compression-resistant belt (2) is composed of a compression-resistant belt base belt (21), at least 3 supporting parts (22) are arranged on the upper surface of the compression-resistant belt base belt (21) along the length direction, and each supporting part (22) is provided with an extrusion head (23); the reinforcing piece (5) comprises a reinforcing piece main body (51) and a tensile part (53) located at the center of the reinforcing piece main body (51), a plurality of pressure reduction grooves (52) corresponding to the extrusion heads (23) are formed in the reinforcing piece main body (51), two sides of the opening of each pressure reduction groove (52) are respectively provided with a limiting part (54), an open placing groove (55) is formed in the reinforcing piece main body (51) between the adjacent pressure reduction grooves (52), at least one insulating layer (6) is arranged in each placing groove (55), a lead (7) is arranged in each insulating layer (6), the extrusion heads (23) are located in the pressure reduction grooves (52), the distance between two ends of the top of each extrusion head (23) is larger than the distance between the corresponding two limiting parts (54), and the reinforcing piece main body (51) is made of an elastic material.
5. A novel compression-resistant cable is provided with a reinforcing part (5), an insulating layer (6) positioned outside the reinforcing part (5) and an outer protective layer (1) positioned outside the insulating layer (6), wherein a lead (7) is arranged in the insulating layer (6), and the novel compression-resistant cable is characterized in that a compression-resistant belt (2) is also arranged between the insulating layer (6) and the outer protective layer (1), the compression-resistant belt (2) is composed of a compression-resistant belt base belt (21), at least 3 supporting parts (22) are arranged on the upper surface of the compression-resistant belt base belt (21) along the length direction, and each supporting part (22) is provided with an extrusion head (23); reinforcing member (5) comprise reinforcing member main part (51) and tensile part (53) that are located reinforcing member main part (51) center, still form a plurality of decompression groove (52) that correspond with extrusion head (23) on reinforcing member main part (51), every decompression groove (52) opening part both sides respectively are equipped with a spacing part (54), extrusion head (23) are located decompression groove (52), extrusion head (23) top both ends distance is greater than the distance between two spacing parts (54) of correspondence, be equipped with an insulating layer (6) at least between two adjacent supporting component (22), reinforcing member main part (51) are elastic material.
6. A new crush-resistant cable as claimed in claim 4 or claim 5, wherein the extrusion head (23) is of inverted trapezoidal cross-section.
7. A novel compression-resistant photoelectric hybrid cable comprises a reinforcing member (5), at least one loose tube (3) and at least one insulating layer (6) which are positioned outside the reinforcing member (5), and an outer protective layer (1) which is positioned outside the loose tube (3) and the insulating layer (6), at least one optical communication component (4) is arranged in the loose tube (3), a lead (7) is arranged in the insulating layer (6), the sum of the number of the loose tubes (3) and the number of the insulating layers (6) is not less than three, it is characterized in that a pressure resistant belt (2) is arranged between the loose tube (3), the insulating layer (6) and the outer protective layer (1), the pressure-resistant belt (2) is composed of pressure-resistant belt base belts (21), at least (3) support parts (22) are arranged on the upper surfaces of the pressure-resistant belt base belts (21) along the length direction, and each support part (22) is provided with an extrusion head (23); reinforcing member (5) comprise reinforcing member main part (51) and tensile part (53) that are located reinforcing member main part (51) center, still form a plurality of decompression groove (52) that correspond with extrusion head (23) on reinforcing member main part (51), every decompression groove (52) opening part both sides respectively are equipped with a spacing part (54), extrusion head (23) are located decompression groove (52), extrusion head (23) top both ends distance is greater than the distance between two spacing parts (54) of correspondence, be equipped with a loose sleeve pipe (3) or insulating layer (6) at least between two adjacent supporting component (22), reinforcing member main part (51) are elastic material.
8. A novel compression-resistant photoelectric hybrid cable comprises a reinforcing part (5) and an outer protective layer (1) positioned outside the reinforcing part (5), and is characterized in that a compression-resistant belt (2) is arranged between the reinforcing part (5) and the outer protective layer (1), the compression-resistant belt (2) is composed of a compression-resistant belt base belt (21), at least 3 supporting parts (22) are arranged on the upper surface of the compression-resistant belt base belt (21) along the length direction, and each supporting part (22) is provided with an extrusion head (23); the reinforcing piece (5) comprises a reinforcing piece main body (51) and a tensile part (53) located at the center of the reinforcing piece main body (51), a plurality of pressure reduction grooves (52) corresponding to the extrusion heads (23) are formed in the reinforcing piece main body (51), two sides of the opening of each pressure reduction groove (52) are respectively provided with a limiting part (54), an open placing groove (55) is formed in the reinforcing piece main body (51) between the adjacent pressure reduction grooves (52), at least one insulating layer (6) or at least one optical communication part (4) is arranged in the placing groove (55), a lead (7) is arranged in the insulating layer (6), the extrusion heads (23) are located in the pressure reduction grooves (52), the distance between two ends of the top of the extrusion heads (23) is greater than the distance between the two corresponding limiting parts (54), and the reinforcing piece main body (51) is made of an elastic material.
9. A novel crush-resistant hybrid optical-electrical cable according to claim 7 or claim 8, wherein the cross-section of the extrusion head (23) is an inverted trapezoid.
10. The novel pressure-resistant hybrid optical-electrical cable according to claim 9, wherein the optical communication component (4) is a g.652 type optical fiber, a g.653 type optical fiber, a g.654 type optical fiber, a g.655 type optical fiber, a g.656 type optical fiber, a g.657 type optical fiber, an A1a type optical fiber, an A1b type optical fiber, an A1c type optical fiber, or a fiber ribbon comprising at least two of the optical fibers or a ribbon body formed by stacking at least two of the fiber ribbons.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911300531.1A CN110824649A (en) | 2019-12-17 | 2019-12-17 | Novel resistance to compression optical cable or photoelectricity hybrid cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911300531.1A CN110824649A (en) | 2019-12-17 | 2019-12-17 | Novel resistance to compression optical cable or photoelectricity hybrid cable |
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| Publication Number | Publication Date |
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| CN110824649A true CN110824649A (en) | 2020-02-21 |
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| CN201911300531.1A Withdrawn CN110824649A (en) | 2019-12-17 | 2019-12-17 | Novel resistance to compression optical cable or photoelectricity hybrid cable |
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| CN (1) | CN110824649A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111477385A (en) * | 2020-04-17 | 2020-07-31 | 黄晓祥 | Cable with good pressure resistance |
| CN112904513A (en) * | 2020-10-20 | 2021-06-04 | 常熟共益信息科技有限公司 | Ribbon optical cable for communication, communication optical cable and cable for power system |
| CN113655579A (en) * | 2021-08-30 | 2021-11-16 | 江苏长飞中利光纤光缆有限公司 | Layer stranded optical cable with heart-shaped unit |
| WO2022027886A1 (en) * | 2020-08-05 | 2022-02-10 | 江苏长飞中利光纤光缆有限公司 | High-strength optical cable |
| CN114185140A (en) * | 2022-02-15 | 2022-03-15 | 长飞光纤光缆股份有限公司 | Small-bending-radius framework groove type optical cable and preparation method thereof |
| CN116189994A (en) * | 2023-01-31 | 2023-05-30 | 合肥兴联通讯有限公司 | Photoelectric hybrid cable for data center |
| CN116189994B (en) * | 2023-01-31 | 2024-06-28 | 安徽深联光电股份有限公司 | Photoelectric hybrid cable for data center |
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2019
- 2019-12-17 CN CN201911300531.1A patent/CN110824649A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111477385A (en) * | 2020-04-17 | 2020-07-31 | 黄晓祥 | Cable with good pressure resistance |
| WO2022027886A1 (en) * | 2020-08-05 | 2022-02-10 | 江苏长飞中利光纤光缆有限公司 | High-strength optical cable |
| CN112904513A (en) * | 2020-10-20 | 2021-06-04 | 常熟共益信息科技有限公司 | Ribbon optical cable for communication, communication optical cable and cable for power system |
| CN113655579A (en) * | 2021-08-30 | 2021-11-16 | 江苏长飞中利光纤光缆有限公司 | Layer stranded optical cable with heart-shaped unit |
| CN113655579B (en) * | 2021-08-30 | 2023-03-03 | 长飞光电线缆(苏州)有限公司 | Layer stranded optical cable with heart-shaped unit |
| CN114185140A (en) * | 2022-02-15 | 2022-03-15 | 长飞光纤光缆股份有限公司 | Small-bending-radius framework groove type optical cable and preparation method thereof |
| CN114185140B (en) * | 2022-02-15 | 2022-06-10 | 长飞光纤光缆股份有限公司 | Small-bending-radius framework groove type optical cable and preparation method thereof |
| CN116189994A (en) * | 2023-01-31 | 2023-05-30 | 合肥兴联通讯有限公司 | Photoelectric hybrid cable for data center |
| CN116189994B (en) * | 2023-01-31 | 2024-06-28 | 安徽深联光电股份有限公司 | Photoelectric hybrid cable for data center |
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