CN218513235U

CN218513235U - Composite optical fiber cable

Info

Publication number: CN218513235U
Application number: CN202222161804.2U
Authority: CN
Inventors: 靳春光; 李小涛
Original assignee: Tianjin Grantley Offshore Engineering Equipment Co ltd
Current assignee: Tianjin Grantley Offshore Engineering Equipment Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-02-21
Anticipated expiration: 2032-08-15

Abstract

The utility model provides a combined type optical fiber cable belongs to communication equipment technical field. Including the fiber optic cable body, the fiber optic cable body includes optical fiber unit, inner sheath, central reinforcement, steel band armor, aramid fiber silk layer, fire-retardant layer, oversheath, a plurality of cable unit and a plurality of solid fixed ring, optical fiber unit and a plurality of the cable unit sets up the outside of central reinforcement, and is a plurality of gu the fixed ring suit is in a plurality of cable unit and a plurality of gu on the fixed ring, the inner sheath sets up gu fixed ring's the outside is on the surface, aramid fiber silk layer sets up on the outside of inner sheath, it is high to have the temperature resistance through fire-retardant layer, incombustible, and thermal-insulated, sound insulation are good, and tensile strength is high, advantage that electrical insulation nature is good improves fire-retardant effect, and the oversheath improves the whole protectiveness of fiber optic cable body, and the insulating layer that the cable unit set up improves the insulating properties of multiunit copper line.

Description

Composite optical fiber cable

Technical Field

The utility model relates to a communication equipment technical field particularly, relates to a combined type fiber optic cable.

Background

The optical fiber cable is used as a new generation of transmission medium, compared with a copper medium, the optical fiber cable has great improvement in safety, reliability and network performance, besides, the broadband of optical fiber transmission greatly exceeds that of the copper cable, and the maximum connection distance supported by the optical fiber cable reaches more than two kilometers, so that the optical fiber cable is an inevitable choice for building a large-scale network. The optical fiber cable has the advantages of good electromagnetic interference resistance, strong confidentiality, high speed, large transmission capacity and the like.

For example, chinese patent No. CN203870299U discloses an optical fiber cable, which includes a cable body, a sheath disposed in the cable body, a composite tape disposed in the sheath, a plastic layer disposed in the composite tape, and an optical fiber disposed in the plastic layer; an aluminum wire is longitudinally arranged between the composite belt and the plastic layer; and factice is filled between the plastic layer and the optical fiber.

The optical fiber cable has the advantages of high communication speed, stability, reliability, strong anti-interference capability and wide application range by adopting optical fiber transmission; however, the above-mentioned optical fiber cable still has some disadvantages, such as: the structural strength is low, the compressive resistance and the tensile resistance are poor, the optical fiber cable is easily damaged when the cable is used, the protective performance and the insulating performance are general, and the flame retardant effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a combined type fiber cable aims at improving structural strength and hangs down, and crushing resistance and pull resistance are poor, cause the damage to fiber cable easily when using, and protective properties and insulating properties are general, and the poor problem of flame retardant efficiency.

An embodiment of the utility model provides a combined type optical fiber cable, include

The optical fiber cable comprises an optical fiber cable body, wherein the optical fiber cable body comprises an optical fiber unit, an inner sheath, a central reinforcement, a steel tape armor layer, an aramid fiber filament layer, a flame retardant layer, an outer sheath, a plurality of cable units and a plurality of fixing rings, the optical fiber unit and the cable units are arranged on the outer side of the central reinforcement, the fixing rings are sleeved on the cable units and the fixing rings, the inner sheath is arranged on the outer side surface of the fixing rings, the aramid fiber filament layer is arranged on the outer side of the inner sheath, the steel tape armor layer is fixed on the outer side surface of the aramid fiber filament layer, the flame retardant layer is arranged on the outer side surface of the steel tape armor layer, and the outer sheath is arranged on the outer side surface of the flame retardant layer;

the optical fiber unit comprises a plurality of groups of optical fiber cores and a loose tube, the plurality of groups of optical fiber cores are arranged in the loose tube, and the loose tube is positioned on one side of the central reinforcing piece;

the cable unit includes multiunit copper line and insulating layer, the multiunit the copper line sets up in the insulating layer, the insulating layer is located one side of central reinforcement.

In a specific embodiment, the loose tube is filled with a fiber paste filling layer, and the fiber paste filling layer is coated on a plurality of groups of the optical fiber cores.

In the implementation process, the fiber paste filling layer is filled in the loose tube, so that the protection performance of the optical fiber core can be improved.

In a specific embodiment, a water-blocking ointment filling layer is filled in the inner sheath, and the water-blocking ointment filling layer is coated on the loose tube and the insulating layer.

In the implementation process, the water-blocking ointment filling layer filled in the inner sheath has good water-blocking performance, and the corrosion of the optical fiber units and the plurality of cable units to water can be reduced.

In a specific embodiment, an insulation shielding layer is arranged in the insulation layer, and the insulation shielding layer is coated on the plurality of groups of copper wires.

In the implementation process, the shielding effect of the insulating shielding layer mainly plays a role in resisting external interference, and the safety of copper wire power transmission is improved.

In a specific embodiment, the flame retardant layer is a fiberglass flame retardant layer.

In the implementation process, the glass fiber flame-retardant layer improves the advantages of high temperature resistance, non-combustion, corrosion resistance, good heat insulation and sound insulation, high tensile strength and good electrical insulation of the optical fiber cable body, and improves the flame-retardant effect.

In a specific embodiment, the inner sheath and the outer sheath are both polyethylene sheaths.

In the implementation process, the inner sheath and the outer sheath are both polyethylene sheaths and have good flexibility, elongation and impact strength, so that the impact resistance effect of the optical fiber cable body is improved.

In a specific embodiment, the center reinforcement is an FRP center reinforcement.

In the implementation process, the FRP central reinforcement has the remarkable advantages of excellent corrosion resistance, lightning stroke resistance, electromagnetic field interference resistance, high tensile strength, light weight, environmental protection, energy conservation and the like, and the service performance of the optical fiber cable body is improved.

Compared with the prior art, the beneficial effects of the utility model are that:

in this combined type fiber optic cable, the central reinforcement has excellent anticorrosive, lightning stroke resistance, anti electromagnetic field interference, tensile strength is high, light weight, environmental protection, energy-conservation etc. are showing advantages, the performance of fiber optic cable body is improved, conveniently fix fiber unit and a plurality of cable unit through a plurality of solid fixed rings, improve the compactness of structure, improve fiber unit and a plurality of cable unit's barrier propterty through the inner sheath, the steel band armor has better compressive capacity, conveniently fix fiber unit and a plurality of cable unit on the central reinforcement, make the optical cable structure compacter, reduce the back of contracting of inner sheath, through greatly reduced the damage degree that receives in the fiber optic cable body use, have the superhigh strength through aramid fiber silk layer, high modulus and high temperature resistant, acid-resistant, excellent properties such as alkali-proof light weight, improve the performance that fiber optic cable body used, it is high to have the temperature resistance through the incombustible layer, the anticorrosion oversheath, it is thermal-insulated, sound insulation nature is good, tensile strength is high, the advantage that electrical insulation nature is good, improve fire-retardant effect, improve the whole protection of fiber optic cable body, the insulating properties of multiunit setting up improves the insulating properties of copper line.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is one of the schematic structural diagrams provided by the embodiment of the present invention;

fig. 2 is a schematic structural diagram of an optical fiber unit according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a cable unit according to an embodiment of the present invention.

In the figure: 10. a fiber optic cable body; 110. an optical fiber unit; 111. an optical fiber core; 112. loosening the sleeve; 1121. a fiber paste filling layer; 120. an inner sheath; 121. a water-blocking ointment filling layer; 130. a central reinforcement; 140. a steel tape armor layer; 150. an aramid fiber filament layer; 160. a flame retardant layer; 170. an outer sheath; 180. a cable unit; 181. a copper wire; 182. an insulating layer; 1821. an insulating shield layer; 190. and (4) fixing the ring.

Detailed Description

The technical solution in the embodiment of the present invention will be described below with reference to the accompanying drawings in the embodiment of the present invention.

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the process of laying the communication optical fiber cable, the optical fiber cable often needs to be stretched, wound, bent or extruded, thereby easily causing the damage of optical fibers and copper wires to influence the transmission performance of the optical fiber cable, the central reinforcement 130 has the obvious advantages of excellent corrosion resistance, lightning stroke resistance, electromagnetic field interference resistance, high tensile strength, light weight, environmental protection, energy conservation and the like, the service performance of the optical fiber cable body 10 is improved, the steel strip armor layer 140 has better pressure resistance, the optical fiber unit 110 and the plurality of cable units 180 are conveniently fixed on the central reinforcement 130, the optical cable structure is more compact, the retraction of the inner sheath 120 is reduced, the aramid fiber layer 150 has the excellent performances of ultrahigh strength, high modulus and high temperature resistance, acid and alkali resistance, light weight and the like, the service performance of the optical fiber cable body 10 is improved, the flame retardant layer 160 has the advantages of high temperature resistance, non-combustibility, corrosion resistance, heat insulation, sound insulation, high tensile strength and good electrical insulation, the flame retardant effect is improved, and the protection purpose is realized.

Referring to fig. 1-3, the present invention provides a composite optical fiber cable, which includes

The optical fiber cable comprises an optical fiber cable body 10, wherein the optical fiber cable body 10 comprises an optical fiber unit 110, an inner sheath 120, a central reinforcement member 130, a steel tape armor layer 140, an aramid fiber filament layer 150, a flame retardant layer 160, an outer sheath 170, a plurality of cable units 180 and a plurality of fixing rings 190, the optical fiber unit 110 and the plurality of cable units 180 are arranged on the outer side of the central reinforcement member 130, the plurality of fixing rings 190 are sleeved on the plurality of cable units 180 and the plurality of fixing rings 190, the inner sheath 120 is arranged on the outer side surface of the fixing rings 190, the aramid fiber filament layer 150 is arranged on the outer side of the inner sheath 120, the steel tape armor layer 140 is fixed on the outer side surface of the aramid fiber filament layer 150, the flame retardant layer 160 is arranged on the outer side surface of the steel tape armor layer 140, and the outer sheath 170 is arranged on the outer side surface of the flame retardant layer 160;

the optical fiber unit 110 includes a plurality of sets of optical fiber cores 111 and a loose tube 112, the plurality of sets of optical fiber cores 111 are disposed in the loose tube 112, and the loose tube 112 is located at one side of the central strength member 130;

cable unit 180 includes multiunit copper line 181 and insulating layer 182, multiunit copper line 181 sets up in insulating layer 182, insulating layer 182 is located one side of central reinforcement 130, central reinforcement 130 has excellent anticorrosive, lightning stroke resistance, electromagnetic field interference resistance, tensile strength is high, light, environmental protection, energy-conservation etc. are showing advantages, improve fiber optic cable body 10's performance, conveniently fix fiber unit 110 and a plurality of cable unit 180 through a plurality of solid fixed rings 190, improve the compactness of structure, improve fiber unit 110 and a plurality of cable unit 180's barrier propterty through inner sheath 120, steel band armor 140 has better compressive capacity, conveniently fix fiber unit 110 and a plurality of cable unit 180 on central reinforcement 130, make optical cable structure compacter, reduce the withdrawal of inner sheath 120, through greatly reduced the damage degree that receives in the fiber optic cable body 10 use, have the superhigh strength through aramid fiber layer 150, high temperature resistance, acid and alkali resistance, light weight etc. excellent performance, improve fiber optic cable body 10's use, it is high temperature resistant through flame retardant layer 160, incombustibility, good, thermal insulation, high-proof performance improves insulating layer 181, high-insulation effect, high-insulation performance improves the whole insulation effect of fiber cable body.

In a specific embodiment, the loose tube 112 is filled with the fiber paste filling layer 1121, the fiber paste filling layer 1121 covers the plurality of groups of optical fiber cores 111, and the fiber paste filling layer 1121 fills the loose tube 112, so that the protection performance of the optical fiber cores 111 can be improved.

When specifically setting up, the interior sheath 120 intussuseption is filled with the oleamen filling layer 121 that blocks water, and the oleamen filling layer 121 cladding that blocks water has better water proof performance on pine sleeve 112 and insulating layer 182, through the oleamen filling layer 121 that blocks water of interior sheath 120 intussuseption, can reduce that optical fiber unit 110 and a plurality of cable unit 180 receive the erosion of water.

In this embodiment, an insulation shielding layer 1821 is disposed in the insulation layer 182, the insulation shielding layer 1821 covers the plurality of groups of copper wires 181, and the insulation shielding layer 1821 mainly has a shielding effect of resisting external interference, so as to improve the safety of power transmission of the copper wires 181.

The utility model discloses in the scheme, fire-retardant layer 160 is the fire-retardant layer of glass fiber, and the temperature resistant that improves fiber optic cable body 10 through the fire-retardant layer of glass fiber is high, and is incombustible, anticorrosive, and thermal-insulated, sound insulation nature is good, and tensile strength is high, and the advantage that electrical insulation nature is good improves flame retardant efficiency.

When the optical fiber cable is specifically arranged, the inner sheath 120 and the outer sheath 170 are both polyethylene sheaths, and the inner sheath 120 and the outer sheath 170 are both polyethylene sheaths, so that the optical fiber cable has good flexibility, elongation and impact strength, and the impact resistance effect of the optical fiber cable body 10 is improved.

In this embodiment, the central reinforcement 130 is an FRP central reinforcement, which has the significant advantages of excellent corrosion resistance, lightning strike resistance, electromagnetic field interference resistance, high tensile strength, light weight, environmental protection, energy saving, and the like, and improves the usability of the optical fiber cable body 10.

The working principle of the composite optical fiber cable is as follows: when the cable is used, the central reinforcement 130 has the remarkable advantages of excellent corrosion resistance, lightning stroke resistance, electromagnetic field interference resistance, high tensile strength, light weight, environmental friendliness, energy conservation and the like, the service performance of the optical fiber cable body 10 is improved, the optical fiber units 110 and the cable units 180 are conveniently fixed by the fixing rings 190, the compactness of the structure is improved, the protective performance of the optical fiber units 110 and the cable units 180 is improved by the inner sheath 120, the steel tape armoring layer 140 has better pressure resistance, the optical fiber units 110 and the cable units 180 are conveniently fixed on the central reinforcement 130, the optical cable structure is more compact, the retraction of the inner sheath 120 is reduced, the damage degree of the optical fiber cable body 10 in the using process is greatly reduced, the aramid fiber layer 150 has excellent performances of ultrahigh strength, high modulus, high temperature resistance, acid and alkali resistance, light weight and the like, the use performance of the optical fiber cable body 10 is improved, the flame retardant layer 160 has the advantages of high temperature resistance, non-flammability, corrosion resistance, heat insulation, sound insulation and sound insulation, the tensile strength is high, the flame retardant effect is improved, the whole protective insulation layer 182 of the optical fiber cable body 10 is improved, and the tensile strength of the insulating layer 181 of the insulating layer 180 is improved.

The above description is only an example of the present invention and is not intended to limit the scope of the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A composite optical fiber cable, comprising

A fiber optic cable body (10), the fiber optic cable body (10) including a fiber unit (110), an inner jacket (120), a central reinforcement (130), a steel tape armor (140), an aramid filament layer (150), a flame retardant layer (160), an outer jacket (170), a plurality of cable units (180), and a plurality of fixing rings (190), the fiber unit (110) and the plurality of cable units (180) being disposed outside the central reinforcement (130), the plurality of fixing rings (190) being sleeved on the plurality of cable units (180) and the plurality of fixing rings (190), the inner jacket (120) being disposed on an outer side surface of the fixing rings (190), the aramid filament layer (150) being disposed on an outer side of the inner jacket (120), the steel tape armor (140) being fixed on an outer side surface of the aramid filament layer (150), the flame retardant layer (160) being disposed on an outer side surface of the steel tape armor (140), the outer jacket (170) being disposed on an outer side surface of the flame retardant layer (160);

the optical fiber unit (110) comprises a plurality of sets of optical fiber cores (111) and a loose tube (112), the plurality of sets of optical fiber cores (111) are arranged in the loose tube (112), and the loose tube (112) is positioned at one side of the central reinforcing member (130);

the cable unit (180) comprises a plurality of sets of copper wires (181) and an insulating layer (182), the plurality of sets of copper wires (181) being disposed within the insulating layer (182), the insulating layer (182) being located on one side of the central strength member (130).

2. The composite optical fiber cable according to claim 1, wherein the loose tube (112) is filled with a fiber paste filling layer (1121), and the fiber paste filling layer (1121) is coated on the plurality of groups of optical fiber cores (111).

3. The composite optical fiber cable of claim 1, wherein a water-blocking ointment filling layer (121) is filled in the inner sheath (120), and the water-blocking ointment filling layer (121) is coated on the loose tube (112) and the insulating layer (182).

4. The composite fiber optic cable of claim 1, wherein a dielectric shield (1821) is disposed within the dielectric layer (182), the dielectric shield (1821) being wrapped around the plurality of sets of copper wires (181).

5. The composite fiber optic cable of claim 1, wherein the flame retardant layer (160) is a fiberglass flame retardant layer.

6. The composite fiber optic cable of claim 1, wherein the inner jacket (120) and the outer jacket (170) are both polyethylene jackets.

7. A composite optical fiber cable according to claim 1, wherein the central strength member (130) is an FRP central strength member.