CN219202011U

CN219202011U - Layer stranded optical cable

Info

Publication number: CN219202011U
Application number: CN202320703037.5U
Authority: CN
Inventors: 万克群; 许志诚; 田海鹏; 陆志华
Original assignee: Jiangsu Vanhua Communication Technology Co ltd
Current assignee: Jiangsu Vanhua Communication Technology Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-06-16
Anticipated expiration: 2033-04-03

Abstract

The utility model discloses a layer-twisted optical cable, which comprises a nonmetallic reinforcing part, wherein an optical fiber layer is arranged on the outer side of the nonmetallic reinforcing part, a polyethylene layer is arranged on the outer side of the optical fiber layer, a tensile reinforcing net layer is arranged on one side, which is away from the optical fiber layer, of the polyethylene layer, a PE layer is arranged on the tensile reinforcing net layer, which is away from the polyethylene layer, a tracking-resistant outer sheath layer is arranged on the PE layer, a plurality of bumps are arranged on the outer side of the tracking-resistant outer sheath layer, the strength and the service life of the layer-twisted optical cable are improved through the arrangement of the tensile reinforcing net layer, the PE material has good chemical stability and acid and alkali corrosion resistance, waterproof and insulation properties, the optical fiber can be protected, the PE material has better protection effect through the arrangement of the tracking-resistant outer sheath layer, the layer-twisted optical cable is protected, and the strength and protection effect of the tracking-resistant outer sheath layer can be increased through the arrangement of the bumps.

Description

Layer stranded optical cable

Technical Field

The utility model relates to the technical field of optical fiber cables, in particular to a layer-stranded optical cable.

Background

The layer stranded optical cable is a round cable core formed by stranding a plurality of optical fiber containing sleeves around a central reinforcing member, a metal or nonmetal reinforcing member is positioned at the center of the optical cable, the optical fiber containing loose sleeves are arranged around the reinforcing member, the existing layer stranded optical fiber can be buried underground when laid, the existing layer stranded optical fiber can possibly be subjected to rolling of heavy vehicles, if the pavement is not compact enough, the buried layer stranded optical fiber is extruded and deformed, external factors easily cause corrosion to the optical cable, and the cable core is easy to infiltrate water and leak oil, so that the damage of the optical cable is accelerated, and the service life of the optical cable is shortened.

Disclosure of Invention

In view of the problems mentioned in the background art, an object of the present utility model is to provide a layer-twisted optical cable to solve the problems mentioned in the background art.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a layer hank formula optical cable, includes nonmetal reinforcement, the nonmetal reinforcement outside is equipped with the optic fibre layer, the optic fibre layer outside is equipped with the polyethylene layer, the polyethylene layer deviates from one side of optic fibre layer is equipped with tensile enhancement stratum reticulare, tensile enhancement stratum reticulare deviates from the polyethylene layer is equipped with the PE layer, the PE layer deviates from tensile enhancement stratum reticulare is equipped with resistant tracking oversheath layer, resistant tracking oversheath layer outside is equipped with a plurality of lugs.

Through adopting above-mentioned technical scheme, this layer hank formula optical cable passes through the setting of nonmetal reinforcement, be convenient for the optical cable kink, through the setting of polyethylene layer, have good environmental stress crack resistance, the intensity of layer hank formula optical cable has been increased, through the setting of tensile reinforcing net layer, the intensity and the life of layer hank formula optical cable have been increased, through the PE layer setting, have that chemical stability is good, acid and alkali corrosion resistance still has waterproof insulating's characteristic, can protect the optic fibre, through the setting of resistant trace oversheath layer, have better protective effect, protect layer hank formula optical cable, through the setting of a plurality of lugs, the setting of the resistant trace oversheath layer of multiplicable and protective effect.

Preferably, the optical fiber layer comprises a plurality of loose tube sleeves, and a plurality of optical fiber bodies are arranged in a plurality of loose tube sleeves.

By adopting the technical scheme, the optical fiber can be protected from the influence of internal stress and external side pressure through the arrangement of the loose tube sleeve.

Preferably, a plurality of loose tube sleeves are filled with filling ointment.

By adopting the technical scheme, the compactness of the optical cable is improved, and meanwhile, the waterproof effect of blocking water is achieved.

Preferably, a water-blocking ointment filler is filled between the nonmetal reinforcing piece and the polyethylene layer.

By adopting the technical scheme, through the arrangement of the water-blocking ointment filler, uneven water blocking caused by oil leakage due to the action of gravity of the ointment is avoided, the water blocking performance of the optical cable is improved, and the optical cable is environment-friendly.

Preferably, a buffer insulating sleeve is arranged between the PE layer and the tensile reinforcement net layer.

Through adopting above-mentioned technical scheme, through the setting of buffering insulating cover, the extrusion force buffering that receives, the inside optic fibre of optical cable can not receive outside extrusion too big influence and buckle.

Preferably, the tensile reinforcement mesh layer is made of a soft steel wire woven mesh.

By adopting the technical scheme, the tensile effect and the strength of the optical cable are improved, and the service life of the optical cable is prolonged.

Preferably, an aramid protection layer is arranged between the PE layer and the tracking-resistant outer sheath layer.

Through adopting above-mentioned technical scheme, aramid protection layer has increased the intensity of this optical cable, plays the effect of the inside subassembly of protection optical cable simultaneously.

In summary, the utility model has the following advantages:

this layer hank formula optical cable passes through the setting of nonmetal reinforcement, be convenient for the optical cable intertwine, through the setting of polyethylene layer, have good environmental stress crack resistance, the intensity of layer hank formula optical cable has been increased, the setting through tensile reinforcing net layer, intensity and life of layer hank formula optical cable have been increased, through PE layer setting, have that chemical stability is good, acid and alkali corrosion resistance still has waterproof insulating's characteristic, can protect optic fibre, through the setting of resistant trace oversheath layer, have the protection effect of preferred, protect layer hank formula optical cable, through the setting of a plurality of lugs, the setting of the resistant trace oversheath layer of multiplicable and protection effect.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a portion of a fiber layer structure of the present utility model;

fig. 3 is a schematic view of the structure of the tensile reinforcement mesh layer of the present utility model.

Reference numerals: 1. a non-metallic reinforcement; 2. an optical fiber layer; 201. a loose tube sleeve; 202. an optical fiber body; 203. filling ointment; 3. a polyethylene layer; 4. a tensile reinforcement mesh layer; 5. a PE layer; 6. an tracking-resistant outer jacket layer; 7. a bump; 8. a water-blocking ointment filler; 9. a buffer insulating sleeve; 10. and an aramid protective layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 3, a layer twisted optical cable comprises a nonmetal reinforcement 1, wherein an optical fiber layer 2 is arranged on the outer side of the nonmetal reinforcement 1, a polyethylene layer 3 is arranged on the outer side of the optical fiber layer 2, a tensile reinforcement net layer 4 is arranged on one side, deviating from the optical fiber layer 2, of the polyethylene layer 3, the tensile reinforcement net layer 4 is made of soft steel wire woven net, the tensile effect and strength of the optical cable are improved, the service life of the optical cable is prolonged, the tensile reinforcement net layer 4 is deviating from the polyethylene layer 3 and is provided with a PE layer 5, the PE layer 5 is deviating from the tensile reinforcement net layer 4 and is provided with a tracking-resistant outer sheath layer 6, and a plurality of bumps 7 are arranged on the outer side of the tracking-resistant outer sheath layer 6.

In the utility model, the optical fiber layer 2 comprises a plurality of loose tube sleeves 201, and a plurality of optical fiber bodies 202 are arranged in the plurality of loose tube sleeves 201, so that the optical fibers can be protected from the influence of internal stress and external lateral pressure by arranging the loose tube sleeves 201, and the plurality of loose tube sleeves 201 are filled with filling ointment 203, so that the compactness of the optical cable is improved, and meanwhile, the waterproof effect is achieved.

In this embodiment, the packing has the oleamen filler 8 that blocks water between nonmetal reinforcement 1 and the polyethylene layer 3, through the oleamen filler 8 that blocks water's setting, avoided the oleamen to produce the oil leakage and cause inhomogeneous that blocks water because of gravity effect, improved the cable water blocking performance and environmental protection, be equipped with buffering insulating cover 9 between PE layer 5 and the tensile reinforcement net layer 4, through the setting of buffering insulating cover 9, the extrusion force buffering that receives, the inside optic fibre of cable can not receive outside extrusion too big influence and buckle, be equipped with aramid protection layer 10 between PE layer 5 and the resistant trace oversheath layer 6, aramid protection layer 10 has increased the intensity of this cable, play the effect of protecting the inside subassembly of optic cable simultaneously.

Structural principle:

this layer hank formula optical cable is through the setting of nonmetal reinforcement 1, be convenient for the optical cable intertwine, through the setting of polyethylene layer 3, have good environmental stress crack resistance, the intensity of layer hank formula optical cable has been increased, through the setting of tensile reinforcing net layer 4, intensity and life of layer hank formula optical cable have been increased, through PE layer 5 setting, have that chemical stability is good, acid and alkali corrosion resistance still has waterproof insulating's characteristic, can protect the optic fibre, through the setting of resistant trace oversheath layer 6, have the protection effect of preferred, protect layer hank formula optical cable, through the setting of a plurality of lugs 7, the setting of the resistant trace oversheath layer 6 of multiplicable and the protection effect.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A layer-twisted optical cable comprising a non-metallic reinforcement (1), characterized in that: the fiber reinforced plastic cable sheath is characterized in that an optical fiber layer (2) is arranged on the outer side of the nonmetal reinforcing piece (1), a polyethylene layer (3) is arranged on the outer side of the optical fiber layer (2), a tensile reinforcing net layer (4) is arranged on one side, deviating from the optical fiber layer (2), of the polyethylene layer (3), a PE layer (5) is arranged on the tensile reinforcing net layer (4), the PE layer (5) deviates from the tensile reinforcing net layer (4) and is provided with an electric mark resistant outer sheath layer (6), and a plurality of bumps (7) are arranged on the outer side of the electric mark resistant outer sheath layer (6).

2. A layer twisted optical cable according to claim 1, wherein: the optical fiber layer (2) comprises a plurality of loose tube sleeves (201), and a plurality of optical fiber bodies (202) are arranged in the loose tube sleeves (201).

3. A layer twisted optical cable according to claim 2, wherein: and a plurality of loose tube sleeves (201) are filled with filling ointment (203).

4. A layer twisted optical cable according to claim 1, wherein: a water-blocking ointment filler (8) is filled between the nonmetal reinforcing piece (1) and the polyethylene layer (3).

5. A layer twisted optical cable according to claim 1, wherein: a buffer insulating sleeve (9) is arranged between the PE layer (5) and the tension-enhancing net layer (4).

6. A layer twisted optical cable according to claim 1, wherein: the tensile reinforcement net layer (4) is made of soft steel wire woven net.

7. A layer twisted optical cable according to claim 1, wherein: an aramid protection layer (10) is arranged between the PE layer (5) and the tracking-resistant outer sheath layer (6).