CN212905608U

CN212905608U - Anticorrosive GYTA53 direct-burried cable

Info

Publication number: CN212905608U
Application number: CN202021756265.1U
Authority: CN
Inventors: 郝继祥
Original assignee: Dfoe Technology Shanghai Co ltd
Current assignee: Dfoe Technology Shanghai Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-06
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses an anticorrosive GYTA53 direct-burried optical cable, strengthen the core including the center, the outside that the core was strengthened at the center is provided with the cable core filler, the inboard of cable core filler is provided with the loose tube, the inboard of loose tube is provided with optic fibre, the outside of cable core filler is provided with the water blocking layer. The utility model discloses, through the water-blocking layer and the interior anti-corrosion coating that the optic fibre outside set up, when making meet and have corrosive environment, the effectual anticorrosion effect that improves optic fibre, and the radiation protection layer that sets up through the optic fibre outside simultaneously, make when meetting external electromagnetic interference, the effectual influence that reduces the electromagnetism to optic fibre, the polyethylene protective sheath that sets up in the center reinforcement core and the optic fibre outside through the inboard intermediate position department of cable core filler, make when laying optic fibre, the effectual compressive capacity who improves optic fibre, thereby can play the effect of buffering and absorption impact force, it is impaired to reduce optic fibre then, the effectual use that has ensured optic fibre.

Description

Anticorrosive GYTA53 direct-burried cable

Technical Field

The utility model relates to a direct-burried optical cable technical field specifically is an anticorrosive GYTA53 direct-burried optical cable.

Background

The direct-buried optical cable is an optical cable directly buried underground, which not only requires to maintain the transmission characteristics and long-term stability of the optical cable, but also needs to have the performance of resisting external mechanical damage and the performance of preventing soil corrosion, and different structures and protective layers need to be selected according to different use environments and conditions when the general direct-buried optical cable is designed.

When laying, the anti-corrosion effect of the existing directly-buried optical cable is poor, and the optical cable is very easy to be interfered by external electromagnetism, so that the service life of the cable is influenced, and the cable is easily extruded from the outside when laying, so that the cable is damaged, and the use of the cable is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anticorrosive GYTA53 direct-burried cable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anticorrosive GYTA53 direct-burried optical cable, strengthens the core including the center, the outside that the core was strengthened at the center is provided with the cable core filler, the inboard of cable core filler is provided with loose sleeve pipe, loose sheathed tube inboard is provided with optic fibre, the outside of cable core filler is provided with the water blocking layer, the outside of water blocking layer is provided with the layer of protecting against radiation, the outer anti-corrosion layer that is provided with in the layer of protecting against radiation, the outside on interior anti-corrosion layer is provided with the plastic-coated steel band, the outside of plastic-coated steel band is provided with the polyethylene protective sheath.

Preferably, the material of the central reinforcing core is a steel wire material.

Preferably, the material of the cable core filler is epoxy resin, and the loose tube 3 is arranged on the inner side of the cable core filler through the epoxy resin.

Preferably, the water-blocking layer is made of a composite water-blocking tape, and the thickness of the water-blocking layer is 0.25 mm-0.3 mm.

Preferably, the radiation protection layer is made of asbestos, and the thickness of the radiation protection layer is 0.5 mm-2 mm.

Preferably, the thicknesses of the inner anti-corrosion layer and the polyethylene protective sleeve are respectively 0.5 mm-0.6 mm.

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

1. this anticorrosive GYTA53 direct-burried optical cable, through the water-blocking layer and the interior anti-corrosion layer that the optic fibre outside set up for when meetting having corrosive environment, the effectual anticorrosion effect that improves optic fibre, and simultaneously through the radiation protection layer that the optic fibre outside set up, make when meetting external electromagnetic interference, the effectual electromagnetic influence that has reduced the electromagnetism to optic fibre, then the effectual life who improves optic fibre.

2. This anticorrosive GYTA53 direct-burried optical cable, the polyethylene protective sheath that core and optic fibre outside set up is strengthened through the center that cable core filler inboard intermediate position department set up for when laying optic fibre, the effectual compressive capacity that improves optic fibre, thereby can play the effect of buffering and absorption impact force, reduce then that optic fibre is impaired, the effectual use that ensures optic fibre.

Drawings

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

fig. 2 is a side view of the present invention;

fig. 3 is an enlarged view a of fig. 2.

In the figure: 1. a central reinforcing core; 2. a cable core filler; 3. loosening the sleeve; 4. an optical fiber; 5. a water resistant layer; 6. a radiation protective layer; 7. an inner anti-corrosion layer; 8. coating a plastic steel belt; 9. polyethylene protective sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Referring to fig. 1-3, the present invention provides an embodiment: an anti-corrosion GYTA53 direct-buried optical cable comprises a central reinforced core 1, wherein the central reinforced core 1 is made of steel wire materials, a cable core filler 2 is arranged on the outer side of the central reinforced core 1, the central reinforced core 1 arranged in the middle of the inner side of the cable core filler 2 and a polyethylene protective sleeve 9 arranged on the outer side of an optical fiber 4 effectively improve the pressure resistance of the optical fiber 4 when the optical fiber 4 is laid, so that the impact buffering and absorbing effects can be achieved, the damage of the optical fiber 4 is reduced, the use of the optical fiber 4 is effectively guaranteed, the cable core filler 2 is made of epoxy resin, a loose tube 3 is arranged on the inner side of the cable core filler 2 through the epoxy resin, a loose tube 3 is arranged on the inner side of the cable core filler 2, the optical fiber 4 is arranged on the inner side of the loose tube 3, a water blocking layer 5 is arranged on the outer side of the cable core filler 2, and a water blocking layer 5 and an inner anti-, when having corrosive environment for meetting, the effectual anticorrosion effect that has improved optic fibre 4, and simultaneously through the radiation protection layer 6 that the optic fibre 4 outside set up, make when meetting external electromagnetic interference, the effectual influence that reduces the electromagnetism to optic fibre 4, then effectual life that improves optic fibre 4, the material of water blocking layer 5 is compound water blocking tape, and the thickness of water blocking layer 5 is 0.25mm ~ 0.3mm, the outside of water blocking layer 5 is provided with radiation protection layer 6, the material of radiation protection layer 6 is the asbestos, and the thickness of radiation protection layer 6 is 0.5mm ~ 2mm, the radiation protection layer 6 is provided with interior anti-corrosion layer 7 outward, the thickness of interior anti-corrosion layer 7 and polyethylene protective sheath 9 is 0.5mm ~ 0.6mm respectively, the outside of interior anti-corrosion layer 7 is provided with plastic-coated steel strip 8, the outside of plastic-coated steel strip 8 is provided with polyethylene protective sheath 9.

The working principle is as follows: when a corrosion-resistant GYTA53 direct-buried optical cable is used and is extruded when meeting external force during laying, the central reinforced core 1 arranged at the middle position of the inner side of the cable core filler 2 and the polyethylene protective sleeve 9 arranged at the outer side of the optical fiber 4 effectively improve the pressure resistance of the optical fiber 4 when the optical fiber 4 is laid, thereby playing the roles of buffering and absorbing impact force, further reducing the damage of the optical fiber 4, effectively ensuring the use of the optical fiber 4, when the optical fiber 4 meets a special environment, the corrosion-resistant effect of the optical fiber 4 is effectively improved through the water-resistant layer 5 and the inner corrosion-resistant layer 7 arranged on the outer side of the optical fiber 4, and simultaneously, through the radiation-proof layer 6 arranged on the outer side of the optical fiber 4, when encountering external electromagnetic interference, the influence of electromagnetism on the optical fiber 4 is effectively reduced, and the service life of the optical fiber 4 is effectively prolonged.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or scope of the present invention. Accordingly, the embodiments of the present invention are exemplary, and not limiting. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A corrosion-resistant GYTA53 direct-buried optical cable comprises a central reinforced core (1), and is characterized in that: the outer side of core (1) is strengthened at the center is provided with cable core filler (2), the inboard of cable core filler (2) is provided with loose sleeve pipe (3), the inboard of loose sleeve pipe (3) is provided with optic fibre (4), the outside of cable core filler (2) is provided with water blocking layer (5), the outside of water blocking layer (5) is provided with radiation protection layer (6), the outer of radiation protection layer (6) is provided with interior anti-corrosion coating (7), the outside of interior anti-corrosion coating (7) is provided with plastic-coated steel band (8), the outside of plastic-coated steel band (8) is provided with polyethylene protective sheath (9).

2. A corrosion resistant GYTA53 direct burial cable as claimed in claim 1, wherein: the central reinforcing core (1) is made of steel wire materials.

3. A corrosion resistant GYTA53 direct burial cable as claimed in claim 1, wherein: the cable core filler (2) is made of epoxy resin, and the loose tube (3) is arranged on the inner side of the cable core filler (2) through the epoxy resin.

4. A corrosion resistant GYTA53 direct burial cable as claimed in claim 1, wherein: the water-blocking layer (5) is made of a composite water-blocking tape, and the thickness of the water-blocking layer (5) is 0.25 mm-0.3 mm.

5. A corrosion resistant GYTA53 direct burial cable as claimed in claim 1, wherein: the radiation-proof layer (6) is made of asbestos, and the thickness of the radiation-proof layer (6) is 0.5-2 mm.

6. A corrosion resistant GYTA53 direct burial cable as claimed in claim 1, wherein: the thickness of the inner anti-corrosion layer (7) and the thickness of the polyethylene protective sleeve (9) are respectively 0.5 mm-0.6 mm.