CN218567701U

CN218567701U - Buried corrosion-resistant communication optical cable

Info

Publication number: CN218567701U
Application number: CN202223206480.6U
Authority: CN
Inventors: 张松涛; 张凯; 陈正平; 李亮
Original assignee: Ac Union Technology Co ltd
Current assignee: Ac Union Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-03
Anticipated expiration: 2032-11-30

Abstract

The utility model provides a buried corrosion-resistant communication optical cable, which comprises an anti-corrosion component, wherein the anti-corrosion component comprises a polyurethane rubber protective layer, a fluoroplastic anti-corrosion layer, a chloroprene rubber anti-corrosion layer, a composite water-blocking tape layer, a steel-plastic composite tape layer and a polyethylene inner sheath; the inner side wall of the polyurethane rubber protective layer is wrapped on the outer side wall of the fluoroplastic anticorrosive layer. The utility model discloses a polyurethane rubber protective layer can strengthen the optical cable wearability, ageing-resistant and shock-absorbing capacity, through fluoroplastics anticorrosive coating and chloroprene rubber anticorrosive coating, can strengthen the anticorrosive nature of optical cable, avoid appearing the chemistry in the soil and fully make the corruption to the optical cable and influence the condition of optical cable life-span, can completely cut off external moisture and moisture through compound band layer that blocks water, compound band layer and polyethylene inner sheath are moulded to steel, make the optical cable when possessing corrosion resisting capacity, still have certain mechanical properties, and then can prolong the life of optical cable.

Description

Buried corrosion-resistant communication optical cable

Technical Field

The utility model relates to a communication optical cable specifically buries formula corrosion-resistant communication optical cable for ground belongs to optical cable technical field.

Background

The communication optical cable is composed of a cable core and a protective layer, wherein the cable core is composed of a plurality of optical fibers, the communication optical cable is usually installed in an underground mode during installation, the optical cables are in embedded butt joint through optical cable joints, and meanwhile the optical cables penetrate through the ground to facilitate transmission of communication signals.

When the communication optical cable is buried underground, underground soil is piled up in the outside of communication optical cable, because the communication optical cable epidermis is made for the plastic material usually, and underground soil inside chemical composition is complicated moreover, therefore the long-time back of contacting with underground soil in communication optical cable surface, the easy corruption in surface of communication optical cable leads to the inside optic fibre of communication optical cable to expose, and then shortens the life of communication optical cable, for this reason, proposes a bury formula corrosion-resistant communication optical cable.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is to provide a buried corrosion-resistant communication optical cable, which solves or alleviates the technical problems in the prior art, and at least provides a useful choice.

The embodiment of the utility model provides a technical scheme is so realized: a buried corrosion-resistant communication optical cable comprises a corrosion-resistant assembly, wherein the corrosion-resistant assembly comprises a polyurethane rubber protective layer, a fluoroplastic anticorrosive layer, a chloroprene rubber anticorrosive layer, a composite water-blocking tape layer, a steel-plastic composite tape layer and a polyethylene inner sheath;

the inside wall of polyurethane rubber protective layer around wrap in the lateral wall of fluoroplastics anticorrosive coating, the inside wall of fluoroplastics anticorrosive coating around wrap in the lateral wall of chloroprene rubber anticorrosive coating, the inside wall of chloroprene rubber anticorrosive coating around wrap in the lateral wall of compound band layer that blocks water, compound band layer that blocks water the inside wall around wrap in compound band layer's lateral wall is moulded to steel, compound band layer's inside wall around wrap in the inside wall of polyethylene inner sheath is moulded.

Further preferably, a main body assembly is wrapped on the inner side wall of the polyethylene inner sheath, and the main body assembly comprises six loose tubes, fiber paste, optical fibers, water-blocking cable paste, a steel wire sheath and a steel wire reinforcement;

the inside wall of polyethylene inner sheath is around covering in six the lateral wall of loose tube.

Further preferably, the optical fiber is located inside the loose tube, and the fiber paste is filled inside the loose tube.

Further preferably, the inner side wall of the steel wire sheath is wrapped around the outer side wall of the steel wire reinforcing member.

Further preferably, the steel wire sheath is positioned in the inner center of the polyethylene inner sheath.

Further preferably, the water-blocking cable paste is filled between the polyethylene inner sheath and the steel wire sheath.

Further preferably, the loose tube is located between the steel wire sheath and the polyethylene inner sheath.

Further preferably, the outer side wall of the loose tube is respectively attached to the outer side wall of the steel wire sheath and the inner side wall of the polyethylene inner sheath.

The embodiment of the utility model provides a owing to adopt above technical scheme, it has following advantage: the utility model discloses a polyurethane rubber protective layer can strengthen the optical cable wearability, ageing-resistant and buffer property, in the transportation, when burying the optical cable, can play good guard action, through fluoroplastics anticorrosive coating and chloroprene rubber anticorrosive coating, can strengthen the anticorrosive nature of optical cable, avoid appearing the chemistry in the soil and fully causing the corruption to the optical cable and influence the condition of optical cable life-span, can completely cut off external moisture and moisture through compound band layer that blocks water, compound band layer and polyethylene inner sheath are moulded to steel, can strengthen holistic intensity, make the optical cable when possessing anticorrosive property, certain mechanical properties still has, and then can prolong the life of optical cable.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.

Drawings

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

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a structural view of the steel wire reinforcement of the present invention;

FIG. 3 is a connection diagram of the corrosion prevention assembly and the main body assembly of the present invention;

fig. 4 is a structural diagram of the anti-corrosion component of the utility model.

Reference numerals are as follows: 101. an anti-corrosion component; 11. a polyurethane rubber protective layer; 12. a fluoroplastic anticorrosive layer; 13. a chloroprene rubber anticorrosive layer; 14. compounding water blocking belt layer; 15. a steel-plastic composite belt layer; 16. a polyethylene inner sheath; 301. a body assembly; 31. loosening the sleeve; 32. fiber paste; 33. an optical fiber; 34. water-blocking cable paste; 35. a steel wire sheath; 36. a steel wire reinforcement.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-4, an embodiment of the present invention provides a buried corrosion-resistant communication optical cable, which includes a corrosion-resistant component 101, where the corrosion-resistant component 101 includes a polyurethane rubber protective layer 11, a fluoroplastic anticorrosive layer 12, a chloroprene rubber anticorrosive layer 13, a composite water-blocking tape layer 14, a steel-plastic composite tape layer 15, and a polyethylene inner sheath 16;

the inside wall of polyurethane rubber protective layer 11 winds the lateral wall that wraps in fluoroplastics anticorrosive coating 12, and the inside wall of fluoroplastics anticorrosive coating 12 winds the lateral wall that wraps in chloroprene rubber anticorrosive coating 13, and the inside wall of chloroprene rubber anticorrosive coating 13 winds the lateral wall that wraps in compound band layer 14 that blocks water, and the inside wall of compound band layer 14 that blocks water winds the lateral wall that wraps in steel-plastic composite band layer 15, and the inside wall of steel-plastic composite band layer 15 winds the inside wall that wraps in polyethylene inner sheath 16.

In one embodiment, the inner sidewall of the polyethylene inner sheath 16 is wrapped with a body assembly 301, the body assembly 301 comprises six loose tubes 31, fiber paste 32, optical fibers 33, water-blocking cable paste 34, a steel wire sheath 35 and a steel wire reinforcement 36;

the inner side wall of the polyethylene inner sheath 16 is wrapped around the outer side walls of the six loose tubes 31, so that the optical fibers 33 inside the main body component 301 can be protected by the corrosion prevention component 101.

In one embodiment, the optical fiber 33 is located inside the loose tube 31, the fiber paste 32 is filled inside the loose tube 31, and the fiber paste 32 is filled inside the loose tube 31, so that moisture in the air can be prevented from corroding the optical fiber 33, the sealing and moisture-proof effects can be achieved, and the gasket can be used as a gasket for the optical fiber 33 to buffer mechanical forces such as vibration, impact, bending and the like, which are applied to the optical fiber 33, and further the optical fiber 33 can be protected.

In one embodiment, the inner sidewall of the steel wire sheath 35 is wrapped around the outer sidewall of the steel wire reinforcement 36, the steel wire sheath 35 is located at the central position inside the polyethylene inner sheath 16, the steel wire reinforcement 36 and the steel wire sheath 35 can enhance the overall tensile and bending resistance, so as to prevent the optical fiber 33 from being broken due to the forced bending and stretching of the optical fiber 33, thereby enhancing the overall mechanical performance.

In one embodiment, the water-blocking cable compound 34 is filled between the inner polyethylene sheath 16 and the steel wire sheath 35, and the water-blocking cable compound 34 can play a role of buffering, so that the optical fiber 33 can be prevented from being damaged by external stress to cause microbending loss, and meanwhile, the water-blocking cable compound expands when meeting water, and has the characteristics of high water absorption speed, high water absorption efficiency and good water-blocking performance, so that water can be effectively prevented from invading into the loose tube 31.

In one embodiment, the loose tube 31 is located between the steel wire sheath 35 and the polyethylene inner sheath 16, the outer side wall of the loose tube 31 is respectively attached to the outer side wall of the steel wire sheath 35 and the inner side wall of the polyethylene inner sheath 16, the loose tube 31 can protect the optical fiber 33, the optical fiber 33 is protected from the influence of internal stress and external side pressure, the optical fiber 33 is protected together under the cooperation of the fiber paste 32, and the protection effect is better.

The utility model discloses at the during operation: because the polyurethane rubber protective layer 11 has the characteristics of good strength, high elasticity, high wear resistance, aging resistance, good buffer performance and the like, when the optical cable is transported and buried, the optical cable can play a good role of protection, after being buried, the optical cable is contacted with the external underground soil through the anti-corrosion component 101 so as to protect the optical fiber 33 passing through the inside of the anti-corrosion component 101, because the fluoroplastic anti-corrosion layer 12 has excellent heat resistance, oil resistance, solvent resistance and wear resistance, the fluoroplastic anti-corrosion layer 12 can play a role of corrosion resistance, and meanwhile, the chloroprene rubber anti-corrosion layer 13 also has good performances of oil resistance, heat resistance, flame resistance, ozone resistance, acid and alkali resistance, chemical reagent resistance and the like, under the combined action of the fluoroplastic anti-corrosion layer 12, the chloroprene rubber anti-corrosion layer 13 and the polyurethane rubber protective layer 11, can make the optical cable whole have good corrosion protection, compound band layer 15 is moulded to steel through the steel, steel wire reinforcement 36 and steel wire sheath 35 can strengthen holistic intensity, can protect optic fibre 33 when the optical cable is stretched, can play separation underground moisture through compound band layer 14 that blocks water, the effect of moisture, cushion through cable paste 34 that blocks water, can make optic fibre 33 avoid the microbending loss that external stress damaged and lead to, protect optic fibre 33 through loose tube 31, can so that optic fibre 33 avoids internal stress and outside lateral pressure to influence, together protect optic fibre 33 under the cooperation of fine paste 32, the protecting effect is better, and then can make the optical cable have when corrosion protection, still have good mechanical properties.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various changes or substitutions within the technical scope of the present invention, which should be covered by the 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 buried corrosion-resistant communication optical cable comprises a corrosion-resistant component (101), and is characterized in that: the anti-corrosion assembly (101) comprises a polyurethane rubber protective layer (11), a fluoroplastic anti-corrosion layer (12), a chloroprene rubber anti-corrosion layer (13), a composite water-blocking tape layer (14), a steel-plastic composite tape layer (15) and a polyethylene inner sheath (16);

the inside wall of polyurethane rubber protective layer (11) around wrap in the lateral wall of fluoroplastics anticorrosive coating (12), the inside wall of fluoroplastics anticorrosive coating (12) around wrap in the lateral wall of chloroprene rubber anticorrosive coating (13), the inside wall of chloroprene rubber anticorrosive coating (13) around wrap in the lateral wall of compound band layer (14) blocks water, the inside wall of compound band layer (14) block water around wrap in the lateral wall of compound band layer (15) is moulded to steel, the inside wall of compound band layer (15) is moulded around wrap in the lateral wall of polyethylene inner sheath (16).

2. A buried corrosion-resistant communication optical cable according to claim 1, wherein: a main body assembly (301) is wrapped on the inner side wall of the polyethylene inner sheath (16), and the main body assembly (301) comprises six loose tubes (31), fiber paste (32), optical fibers (33), water-blocking cable paste (34), a steel wire sheath (35) and a steel wire reinforcing piece (36);

the inner side wall of the inner polyethylene sheath (16) is wrapped on the outer side walls of the six loose tubes (31).

3. A buried corrosion-resistant communication optical cable according to claim 2, wherein: the optical fiber (33) is positioned inside the loose tube (31), and the fiber paste (32) is filled inside the loose tube (31).

4. A buried corrosion-resistant communication optical cable according to claim 2, wherein: the inner side wall of the steel wire sheath (35) is wrapped on the outer side wall of the steel wire reinforcing piece (36).

5. A buried corrosion-resistant communication optical cable according to claim 4, wherein: the steel wire sheath (35) is positioned in the center of the inner polyethylene sheath (16).

6. A buried corrosion-resistant communication optical cable according to claim 2, wherein: the water-blocking cable paste (34) is filled between the polyethylene inner sheath (16) and the steel wire sheath (35).

7. A buried corrosion resistant communication cable according to claim 3, wherein: the loose tube (31) is located between the steel wire sheath (35) and the polyethylene inner sheath (16).

8. A buried corrosion-resistant communication optical cable according to claim 7, wherein: the outer side wall of the loose tube (31) is attached to the outer side wall of the steel wire sheath (35) and the inner side wall of the polyethylene inner sheath (16) respectively.