CN215833661U

CN215833661U - High-tensile-strength low-dispersion optical cable

Info

Publication number: CN215833661U
Application number: CN202121535308.8U
Authority: CN
Inventors: 潘丽
Original assignee: Huacheng Technology Pinghu Co ltd
Current assignee: Huacheng Technology Pinghu Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-02-15
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses a high-tensile-strength low-dispersion optical cable, which relates to the technical field of optical cables and comprises an optical cable body, wherein the optical cable body comprises an inner core and a protective layer, the inner core comprises optical fibers, a light blocking coating is coated on the outer sides of the optical fibers, wrapping wires are arranged on the outer sides of the light blocking coating, and the protective layer comprises reinforcing wires. The utility model discloses a setting up coating and the cladding silk that is in the light, coating and the cooperation of cladding silk that is in the light, make the leakproofness of optic fibre obtain promoting, and then make the dispersion degree of optical cable body reduce, through setting up the protective layer, be provided with the reinforcing wire in the protective layer, the material of reinforcing wire is the decarburized steel wire, the intensity of decarburized steel wire is higher, thereby make the tensile strength of optical cable body obtain promoting, the diameter of reinforcing wire is greater than the inner core, when the optical cable body receives the extrusion, the reinforcing wire bearing pressure, thereby avoided the inner core to receive the light fracture that the extrusion caused, thereby the structural strength of optical cable body has been promoted.

Description

High-tensile-strength low-dispersion optical cable

Technical Field

The utility model relates to the technical field of optical cables, in particular to an optical cable with high tensile strength and low chromatic dispersion.

Background

The optical cable is a communication line which uses one or more optical fibers as transmission medium and can be used individually or in groups, the optical cable is mainly composed of optical fibers, plastic protective sleeves and plastic sheaths, metals such as gold, silver, copper and aluminum are not contained in the optical cable, the optical cable has no recycling value generally, a cable core is formed by a certain number of optical fibers according to a certain mode, the optical cable is coated with the sheaths, and the optical cable is also coated with outer sheaths to realize optical signal transmission.

The existing optical cable is simple in structure, and once the existing optical cable is extruded and bent during use, the internal optical fiber is easy to break, so that the subsequent use is greatly influenced. Therefore, it is necessary to invent a high tensile strength low dispersion optical cable to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a high tensile strength low dispersion optical cable, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a low dispersion optical cable of high tensile strength, includes the optical cable body, the optical cable body includes inner core and protective layer, the inner core includes optic fibre, the outside coating of optic fibre has the coating that is in the light, the outside of the coating that is in the light is provided with the cladding silk, the cladding silk is provided with many, many the cladding silk is around optic fibre transposition with one heart, the outside of cladding silk is provided with the partition layer, the protective layer includes the enhancement silk, the enhancement silk is provided with two, two the enhancement silk is around inner core symmetric distribution, the diameter of enhancement silk is greater than the diameter of inner core, the outside of enhancement silk and inner core all is provided with the plastic layer, the outside of plastic layer is provided with horizontal strengthening rib of multiunit and the vertical strengthening rib of multiunit, horizontal strengthening rib and vertical strengthening rib vertical distribution.

Preferably, the number of the transverse reinforcing ribs is multiple, and the plurality of the transverse reinforcing ribs are distributed in an equidistant linear array.

Preferably, the longitudinal reinforcing ribs are provided with a plurality of groups, and two adjacent groups of longitudinal reinforcing ribs are distributed in a staggered manner.

Preferably, the optical fiber is made of quartz glass material, and the coating filament is made of high-strength polyethylene fiber.

Preferably, the partition layer is made of PP plastic, and the reinforcing wire is made of decarburized steel wire.

Preferably, the plastic layer is made of PVC plastic.

The utility model has the technical effects and advantages that:

1. according to the optical cable, the light-blocking coating and the cladding wire are arranged and matched, so that the sealing performance of the optical fiber is improved, the dispersion degree of the optical cable body is reduced, the reinforcing wire is arranged in the protective layer, the reinforcing wire is made of the decarburized steel wire, the strength of the decarburized steel wire is high, the tensile property of the optical cable body is improved, the diameter of the reinforcing wire is larger than that of the inner core, when the optical cable body is extruded, the reinforcing wire bears pressure, so that the light ray fracture caused by extrusion of the inner core is avoided, and the structural strength of the optical cable body is improved;

2. according to the utility model, by arranging the transverse reinforcing ribs and the longitudinal reinforcing ribs, when the optical cable body is bent, the transverse reinforcing ribs and the longitudinal reinforcing ribs are matched, so that the optical cable body is protected, the optical fiber breakage caused by the overlarge bending angle of the optical cable body is avoided, and the bending resistance of the optical cable body is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic cross-sectional view of the overall structure of the present invention.

Fig. 3 is a schematic structural view of the coated yarn of the present invention.

In the figure: 1. an optical cable body; 2. an inner core; 21. an optical fiber; 22. a light-blocking coating; 23. coating the silk; 24. a partition layer; 3. a protective layer; 31. reinforcing wires; 32. a plastic layer; 33. transverse reinforcing ribs; 34. and (5) longitudinal reinforcing ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a high-tensile strength low-dispersion optical cable as shown in figures 1-3, which comprises an optical cable body 1, wherein the optical cable body 1 comprises an inner core 2 and a protective layer 3, the inner core 2 comprises optical fibers 21, the outer sides of the optical fibers 21 are coated with light-blocking coatings 22, the outer sides of the light-blocking coatings 22 are provided with coating wires 23, the coating wires 23 are provided with a plurality of coating wires 23, the plurality of coating wires 23 are concentrically stranded around the optical fibers 21, the outer sides of the coating wires 23 are provided with isolating layers 24, the protective layer 3 comprises reinforcing wires 31, the reinforcing wires 31 are provided with two reinforcing wires 31, the two reinforcing wires 31 are symmetrically distributed around the inner core 2, the diameter of the reinforcing wires 31 is larger than that of the inner core 2, when the optical cable body 1 is extruded, the reinforcing wires 31 bear pressure, so that the light ray fracture caused by the extrusion of the inner core 2 is avoided, so that the structural strength of the optical cable body 1 is improved, the outer sides of the reinforcing wires 31 and the inner core 2 are both provided with plastic layers 32, the outside of plastic layer 32 is provided with horizontal strengthening rib 33 of multiunit and the vertical strengthening rib 34 of multiunit, and horizontal strengthening rib 33 and vertical strengthening rib 34 vertical distribution, and optical cable body 1 is when buckling, and horizontal strengthening rib 33 and the cooperation of vertical strengthening rib 34 have played the guard action to optical cable body 1, have avoided optical cable body 1 to buckle the too big optic fibre 21 fracture that causes of angle to the anti bending performance of optical cable body 1 has been promoted.

Horizontal strengthening rib 33 is provided with a plurality ofly, a plurality of horizontal strengthening ribs 33 are equidistant linear array and distribute, vertical strengthening rib 34 is provided with the multiunit, adjacent two sets of vertical strengthening rib 34 dislocation distribution, optic fibre 21's material is quartz glass material, quartz glass has the effectual characteristics of reflection of light, make optical cable body 1's transmission performance promote, the material of cladding silk 23 is high strength polyethylene fiber, polyethylene material has smooth characteristics, thereby it is PP plastics to have played the material of protective effect partition layer 24 to optic fibre 21, the material of strengthening silk 31 is for taking off the carbon steel silk, it has the high characteristics of intensity to take off the carbon steel silk, make optical cable body 1's tensile, pressure resistance promotes, 32's material is PVC plastics, the PVC material has wear-resisting characteristics, make optical cable body 1's wear resistance promote.

According to the utility model, the light-blocking coating 22 and the coating wire 23 are arranged, the light-blocking coating 22 is matched with the coating wire 23, so that the sealing performance of the optical fiber 21 is improved, the dispersion degree of the optical cable body 1 is further reduced, the protective layer 3 is arranged, the reinforcing wire 31 is arranged in the protective layer 3, the reinforcing wire 31 is made of a decarburized steel wire, the strength of the decarburized steel wire is higher, so that the tensile property of the optical cable body 1 is improved, the diameter of the reinforcing wire 31 is larger than that of the inner core 2, when the optical cable body 1 is extruded, the reinforcing wire 31 bears pressure, so that the light fracture caused by extrusion of the inner core 2 is avoided, so that the structural strength of the optical cable body 1 is improved, by arranging the transverse reinforcing ribs 33 and the longitudinal reinforcing ribs 34, when the optical cable body 1 is bent, the transverse reinforcing ribs 33 are matched with the longitudinal reinforcing ribs 34, so that the optical cable body 1 is protected, and the optical fiber 21 fracture caused by an overlarge bending angle of the optical cable body 1 is avoided, thereby, the bending resistance of the optical cable body 1 is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a low dispersion optical cable of high tensile strength, includes cable body (1), its characterized in that: the optical cable comprises an optical cable body (1) and a protective layer (3), wherein the inner core (2) comprises optical fibers (21), a light blocking coating (22) is coated on the outer side of each optical fiber (21), a covering wire (23) is arranged on the outer side of the light blocking coating (22), a plurality of covering wires (23) are arranged, a plurality of covering wires (23) are concentrically twisted around the optical fibers (21), a partition layer (24) is arranged on the outer side of each covering wire (23), the protective layer (3) comprises reinforcing wires (31), the reinforcing wires (31) are arranged in two numbers, the reinforcing wires (31) are symmetrically distributed around the inner core (2), the diameter of each reinforcing wire (31) is larger than that of the inner core (2), plastic layers (32) are arranged on the outer sides of the reinforcing wires (31) and the inner core (2), and a plurality of groups of transverse reinforcing ribs (33) and a plurality of groups of longitudinal reinforcing ribs (34) are arranged on the outer side of the plastic layer (32), the transverse reinforcing ribs (33) and the longitudinal reinforcing ribs (34) are vertically distributed.

2. A high tensile strength low dispersion optical cable according to claim 1, wherein: the transverse reinforcing ribs (33) are arranged in a plurality of equal-spacing linear arrays, and the transverse reinforcing ribs (33) are distributed in the equal-spacing linear arrays.

3. A high tensile strength low dispersion optical cable according to claim 2, wherein: the longitudinal reinforcing ribs (34) are provided with a plurality of groups, and two adjacent groups of longitudinal reinforcing ribs (34) are distributed in a staggered manner.

4. A high tensile strength low dispersion optical cable according to claim 3, wherein: the optical fiber (21) is made of quartz glass material, and the coating wire (23) is made of high-strength polyethylene fiber.

5. A high tensile strength low dispersion optical cable according to claim 4, wherein: the material of cutting off layer (24) is PP plastics, the material of reinforcing wire (31) is the steel wire that decarbonizes.

6. A high tensile strength low dispersion optical cable according to claim 5, wherein: the plastic layer (32) is made of PVC plastic.