CN112379496A

CN112379496A - Woven glass fiber belt rat-proof optical cable

Info

Publication number: CN112379496A
Application number: CN202011311682.XA
Authority: CN
Inventors: 沈小平; 倪金龙; 陈斌; 戴杰
Original assignee: Tongding Interconnection Information Co Ltd
Current assignee: Tongding Interconnection Information Co Ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-02-19

Abstract

A kind of braided glass fiber tape rat-proof optical cable, including cable core, braid and boot, the outside of the cable core is fitted with the braid, the outside of the braid is fitted with the boot, the braid is made up of multiple layers of glass fiber tape layers, the boot includes polyethylene inner jacket and nylon outer jacket, there are non-metal reinforcement FRP poles parallel to cable core symmetrically in the polyethylene inner jacket, the invention has no any metal material, the all dielectric material guarantees the optical cable has light weight, small, have natural shielding to thunder and lightning and strong electricity, adopt the double protection mechanism of multilayer braided glass fiber tape lapping and nylon outer jacket, the nylon material has Shore hardness greater than 65 and is smooth and wear-resisting, have fine physical characteristic to the occlusion of the mouse, quartz glass fiber tensile strength is high and peculiar physical defense effect, prick the animal's body especially mouth, make it unwilling to sting and give up, and the material will not rust because of exposing, the environment can not be polluted, and the damage of common rats to the cable can be perfectly solved.

Description

Woven glass fiber belt rat-proof optical cable

Technical Field

The invention relates to the technical field of communication optical cables, in particular to a woven glass fiber band ratproof optical cable.

Background

The country invests in the communication industry by a wide margin, aims to improve the communication quality and ensure the all-round coverage of communication, and most of the optical cables pass through forest high mountain areas which are populated by rodents such as mice and the like during laying, so that the optical cables are easy to gnaw and damage due to the life habits of the rodents, and communication faults are caused. How to avoid the mouse to suffer from, cable designer has also adopted multiple protection against rodents means, including the chemical protection against rodents that adds chemical, adopts rigid material's such as stainless steel and steel wire armor strengthening means, and various methods each have advantages, but the drawback is also comparatively obvious, and chemical material is unfavorable to the environmental protection, and excessive adoption heavy armor makes optical cable weight promote by a wide margin, has increased manufacturing cost and processing degree of difficulty, and the construction and use maintenance degree of difficulty also promote by a wide margin thereupon.

Disclosure of Invention

Technical problem to be solved

The invention aims to provide a woven glass fiber band ratproof optical cable to solve the practical problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a weave glass fiber tape protection against rodents optical cable, includes cable core, weaving layer and sheath, the outside cover of cable core is equipped with the weaving layer, the outside cover of weaving layer is equipped with the sheath, the weaving layer comprises the fine layer of multilayer glass, the sheath includes polyethylene inner protection layer and nylon outer protection layer, polyethylene inner protection layer symmetry be equipped with the parallel nonmetal reinforcement FRP pole of cable core.

Furthermore, the cable core comprises a central reinforcing part FRP rod, a plurality of optical fiber tubes are arranged on the outer side of the central reinforcing part FRP rod, the optical fiber tubes are axially twisted together along the central reinforcing part FRP rod, and a water blocking material is filled between the optical fiber tubes and the central reinforcing part FRP rod.

Furthermore, a filling rope is further arranged on the outer side of the central reinforcing member FRP rod, and the filling rope and the optical fiber tubes are axially twisted together along the central reinforcing member FRP rod.

Furthermore, at least one filling rope is arranged.

Furthermore, the cable core comprises an optical fiber tube, and water blocking materials are filled outside the optical fiber tube.

Furthermore, the optical fiber tube comprises a loose tube, wherein even number of UV optical fibers are arranged in the loose tube, and thixotropic water-blocking fiber paste is filled outside the UV optical fibers.

Furthermore, the glass fiber belt layer is formed by lapping a glass fiber belt woven by quartz glass yarns.

(III) advantageous effects

The whole optical cable is free of any metal material, the all-dielectric material ensures that the optical cable has light weight, small volume and natural shielding property to thunder and strong electricity, a double protection mechanism of multilayer woven glass fiber tape wrapping and nylon outer protection is adopted, the nylon material has Shore hardness larger than 65, is smooth and wear-resistant, has excellent physical characteristics to occlusion of a microtus, has high tensile strength and a special physical defense effect, stabs the body, especially the mouth of an animal, and is unwilling to continue biting and give up, the material cannot rust due to exposure, cannot pollute the environment, and can perfectly solve the problem of damage of general rats to the cable.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of example 1 of the present invention;

fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.

Illustration of the drawings:

the reinforced fiber reinforced plastic composite material comprises a braided layer 20, a central reinforcing member FRP rod 101, UV optical fibers 102, thixotropic water-blocking fiber paste 103, a loose tube 104, a filling rope 105, a water-blocking material 106, a polyethylene inner protective layer 301, a non-metal reinforcing member FRP rod 302 and a nylon outer protective layer 303.

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.

Referring to fig. 1, as embodiment 1 of the present invention, a woven glass fiber ribbon rat-proof optical cable includes a cable core, a woven layer 20 and a sheath, the woven layer 20 is sleeved outside the cable core, the sheath is sleeved outside the woven layer 20, the woven layer 20 is composed of multiple layers of glass fiber tape layers, the sheath includes a polyethylene inner protective layer 301 and a nylon outer protective layer 303, and a non-metal reinforcement FRP rod 302 parallel to the cable core is symmetrically arranged in the polyethylene inner protective layer 301; the cable core comprises a central reinforcing part FRP rod 101, a plurality of optical fiber tubes are arranged on the outer side of the central reinforcing part FRP rod 101, the optical fiber tubes are axially twisted together along the central reinforcing part FRP rod 101 and are fixed by polyester binding yarns, when the number of the optical fiber tubes is not required to be so large, the optical fiber tubes can be replaced by filling ropes 105 with the same outer diameter in order to ensure the roundness of the cable core, and water blocking materials 106 are filled between the optical fiber tubes and the central reinforcing part FRP rod 101; the water-blocking mode adopts full-section water blocking, the water-blocking material 106 can be water-blocking ointment, or water-blocking tape wrapped or wound with water-blocking yarn, and the latter two materials are more suitable from the viewpoint of environmental protection. The main material of the braided layer 20 is a glass fiber tape woven by quartz glass fiber, the single layer thickness of the glass fiber tape is about 0.4-0.6mm, the braided layer has better flexibility and is very suitable for a wrapping process, so that the wrapping is more compact and not loose, each layer of glass fiber tape has a certain overlapping rate which is 20-30% of the width of the glass fiber tape in order to ensure that a cable core does not leak, the number of wrapping layers of the glass fiber tape is determined according to the use requirement, 2-3 layers are generally arranged to ensure the protection effect on the cable core, the sheath mainly comprises a polyethylene inner protective layer 301 and a nylon outer protective layer 303, how two layers of materials with different materials form a whole well, the bonding is tight, a specific process, namely a double-layer co-extrusion mode, is required, if the layered extrusion is adopted, the separation between the two layers of the glass fiber tape is often caused, particularly, the inevitable torsional stress is avoided in the construction and use processes, and, the mechanical lateral pressure resistance and impact resistance of the optical cable are reduced, gnawing of rodent can not be effectively resisted, double-layer co-extrusion is beneficial to that two layers of molten plastics are simultaneously extruded from the same machine head, and a grafting agent is added into a polyethylene material, so that two layers of sheaths formed by extrusion are perfectly bonded together and can not be separated, the problem of performance reduction caused by plastic layering is fundamentally solved, in the structural design, the thickness of a polyethylene inner protection layer 301 is about 1.5mm, the thickness of a nylon outer protection layer 303 is 0.5-0.8mm, the optical cable has ultraviolet resistance, chemical corrosion resistance, high hardness and wear resistance due to the combination of the two layers of plastics, and the optical cable has a very good protection effect on bite damage of small rodents such as a field rat. Nonmetal reinforcement FRP pole 302 that sets up in polyethylene inner sheath 301 can regard as optional, and to the environment relatively abominable, it can be 2 also can be many nonmetal reinforcement FRP poles 302 to resist drawing the higher region of requirement to place in parallel.

As embodiment 2 of the present invention, referring to fig. 2, according to the change of the customer requirements and the use scenarios, the structural design and the material usage amount can be adjusted, when the number of the required optical cable cores is not large, and the outer diameter of the optical cable does not need to be large, the cable core structure can be designed to be a central beam tube structure, the cable core includes an optical fiber tube, the outer side of the optical fiber tube is filled with a water blocking material 106, the optical fiber tube includes a loose tube 104, the loose tube 104 is internally provided with an even number of UV optical fibers 102, and the outer side of the UV optical fibers 102 is filled with a thixotropic water blocking fiber paste 103, so that the production cost can be greatly reduced, and the production efficiency can be.

In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily defined to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any one implementation. In addition, some aspects of the present disclosure may be used alone, or in any suitable combination with other aspects of the present disclosure.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a weave glass fiber tape protection against rodents optical cable which characterized in that: the cable comprises a cable core, a woven layer (20) and a sheath, wherein the woven layer (20) is sleeved on the outer side of the cable core, the sheath is sleeved on the outer side of the woven layer (20), the woven layer (20) is composed of a plurality of layers of glass fiber layers, the sheath comprises a polyethylene inner protective layer (301) and a nylon outer protective layer (303), and nonmetal reinforcing piece FRP (fiber reinforced plastic) rods (302) parallel to the cable core are symmetrically arranged in the polyethylene inner protective layer (301).

2. The woven glass fiber ribbon ratproof optical cable according to claim 1, wherein: the cable core comprises a central reinforcing part FRP rod (101), a plurality of optical fiber tubes are arranged on the outer side of the central reinforcing part FRP rod (101), the optical fiber tubes are axially twisted together along the central reinforcing part FRP rod (101), and a water blocking material (106) is filled between the optical fiber tubes and the central reinforcing part FRP rod (101).

3. The woven glass fiber ribbon ratproof optical cable according to claim 2, wherein: and a filling rope (105) is further arranged on the outer side of the central reinforcement FRP rod (101), and the filling rope (105) and the optical fiber tubes are axially twisted together along the central reinforcement FRP rod (101).

4. The woven glass fiber ribbon ratproof optical cable according to claim 3, wherein: at least one filling rope (105) is arranged.

5. The woven glass fiber ribbon ratproof optical cable according to claim 1, wherein: the cable core comprises an optical fiber tube, and a water blocking material (106) is filled outside the optical fiber tube.

6. The woven glass fiber ribbon ratproof optical cable according to claim 3 or 5, wherein: the optical fiber tube comprises a loose tube (104), wherein an even number of UV optical fibers (102) are arranged in the loose tube (104), and thixotropic water-blocking fiber paste (103) is filled at the outer sides of the UV optical fibers (102).

7. The woven glass fiber ribbon ratproof optical cable according to claim 1, wherein: the glass fiber belt layer is formed by lapping a glass fiber belt woven by quartz glass wires.