CN216411667U

CN216411667U - Flat non-metal central tube type optical cable

Info

Publication number: CN216411667U
Application number: CN202122441393.8U
Authority: CN
Inventors: 王倩倩; 王伟; 胡珍; 李晓剑; 孙志豪
Original assignee: Guangdong Hengtong Photoelectric Technology Co Ltd
Current assignee: Guangdong Hengtong Photoelectric Technology Co Ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-04-29
Anticipated expiration: 2031-10-11

Abstract

The utility model provides a flat non-metal central tube type optical cable which comprises a PE (polyethylene) sheath, a cable core, a first non-metal reinforcing piece and a second non-metal reinforcing piece, wherein the cable core is positioned on the inner side of the PE sheath, the first non-metal reinforcing piece and the second non-metal reinforcing piece are positioned on two sides of the cable core, an asbestos fiber layer is coated on the outer side of the cable core, a high-carbon steel strip is arranged on the outer side of the asbestos fiber layer and spirally wound on the outer side of the asbestos fiber layer, an anti-static Teflon film layer is coated on the outer side of the high-carbon steel strip, a wear-resistant layer is sleeved on the outer side of the PE sheath, a gap is formed between the wear-resistant layer and the PE sheath, and a fireproof pouring material is filled in the gap. The flat nonmetal central tube type optical cable has good fireproof, ultraviolet-resistant, aging-resistant and antistatic capabilities, and the first nonmetal reinforcing piece and the second nonmetal reinforcing piece are adopted as the reinforcing pieces, so that the structural strength of the optical cable is enhanced, and the quality of the optical cable is reduced.

Description

Flat non-metal central tube type optical cable

Technical Field

The utility model relates to the technical field of optical cables, in particular to a flat non-metal central tube type optical cable.

Background

Optical fiber cables (optical fiber cables) are manufactured to meet optical, mechanical, or environmental performance specifications and are telecommunication cable assemblies that utilize one or more optical fibers disposed in a surrounding jacket as the transmission medium and that may be used individually or in groups. The optical cable is mainly composed of optical fiber, plastic protective sleeve and plastic sheath, and has no metal such as gold, silver, copper and aluminum, and generally has no recycling value. The optical cable is a communication line which is formed by a certain number of optical fibers into a cable core in a certain mode, is externally coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission.

The existing optical cable generally comprises a cable core, a reinforcing steel wire, fillers, a sheath and the like, and has the defects of simple structure, fire resistance, ultraviolet resistance, aging resistance, static resistance and the like. There are major drawbacks, and therefore, a need exists for an optical cable that can solve the above problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides the flat nonmetal central tube type optical cable which has good fireproof, ultraviolet-resistant, anti-aging and anti-static capabilities, and the first nonmetal reinforcing piece and the second nonmetal reinforcing piece are adopted as the reinforcing pieces, so that the structural strength of the optical cable is enhanced, and the quality of the optical cable is reduced.

In order to achieve the purpose, the utility model is solved by the following technical scheme:

the utility model provides a flat nonmetal central tube optical cable, includes the PE sheath, is located the inboard cable core of PE sheath, be located the nonmetal reinforcement of first nonmetal reinforcement, second of cable core both sides, the cladding of cable core outside has the asbestos fiber layer, the asbestos fiber layer outside is equipped with high carbon steel band, high carbon steel band is the heliciform winding and is in the asbestos fiber layer outside, the cladding of high carbon steel band outside has the anti-static teflon rete, PE sheath outside cover is equipped with the wearing layer, the wearing layer with the space has between the PE sheath, the space intussuseption is filled with the fire prevention and is irritated the material.

Specifically, the outer side of the wear-resistant layer is covered with an ultraviolet-proof coating.

Specifically, the cable core comprises a loose tube, an optical fiber positioned on the inner side of the loose tube, and a water-blocking filler.

Specifically, the water-blocking filler is fiber paste or dry water-blocking yarn.

Specifically, the thickness of the asbestos fiber layer is 0.1-0.5 mm.

The utility model has the beneficial effects that:

1. according to the flat non-metal central tube type optical cable, the first non-metal reinforcing piece and the second non-metal reinforcing piece are used as the reinforcing pieces, so that the structural strength of the optical cable is enhanced, and compared with the traditional metal reinforcing piece, the quality of the optical cable can be reduced;

2. the high-carbon steel belt is arranged on the outer side of the asbestos fiber layer and has higher hardness, the rat-proof performance of the optical cable can be improved, the anti-static Teflon film layer is coated on the outer side of the high-carbon steel belt, the anti-static capability of the optical cable is improved, and the interference of static to the cable core is avoided;

3. the wear-resistant layer is sleeved on the outer side of the PE sheath, a gap is formed between the wear-resistant layer and the PE sheath, the fireproof pouring material is filled in the gap, and the fireproof pouring material can be rapidly solidified when meeting high temperature to form a stable fireproof partition wall, so that a cable core is prevented from being burnt by flame.

Drawings

Fig. 1 is a schematic structural view of a flat non-metallic central tube type optical cable according to the present invention.

The reference signs are: PE sheath 1, cable core 2, loose sleeve 21, optic fibre 22, filler 23 that blocks water, first nonmetal reinforcement 3, second nonmetal reinforcement 4, asbestos fiber layer 5, high carbon steel strip 6, prevent static teflon rete 7, wearing layer 8, fire prevention perfusion material 9, prevent ultraviolet coating 10.

Detailed Description

The present invention will be described in further detail with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.

Example 1

Referring to FIG. 1: a flat non-metal central tube type optical cable comprises a PE sheath 1, a cable core 2 positioned on the inner side of the PE sheath 1, a first non-metal reinforcement 3 positioned on two sides of the cable core 2, and a second non-metal reinforcement 4, wherein an asbestos fiber layer 5 is coated on the outer side of the cable core 2, the heat insulation and heat preservation capability of the optical cable is improved, the optical cable is suitable for a long-term low-temperature environment, a high-carbon steel belt 6 is arranged on the outer side of the asbestos fiber layer 5, the high-carbon steel belt 6 is spirally wound on the outer side of the asbestos fiber layer 5, the high-carbon steel belt 6 has higher hardness and can improve the rat-proof performance of the optical cable, an anti-static Teflon film layer 7 is coated on the outer side of the high-carbon steel belt 6, the anti-static capability of the optical cable is improved, the interference of static to the cable core is avoided, a wear-resistant layer 8 is sleeved on the outer side of the PE sheath 1, a gap is formed between the wear-resistant layer 8 and the PE sheath 1, a fireproof filling material 9 is filled in the gap, the fireproof filling material 9 can be rapidly solidified when meeting high temperature, a firm fire-proof partition wall is formed, so that the cable core is prevented from being burnt by flame.

Preferably, the outer side of the wear-resistant layer 8 is covered with an ultraviolet-proof coating film 10, and the ultraviolet-proof coating film 10 has the function of isolating ultraviolet rays and can improve the ultraviolet-proof anti-aging function of the optical cable.

Preferably, the cable core 2 includes a loose tube 21, an optical fiber 22 inside the loose tube 21, and a water blocking filler 23.

Preferably, the water-blocking filler 23 is a fiber paste or a dry water-blocking yarn.

Preferably, the thickness of the asbestos fiber layer 5 is 0.1-0.5 mm.

The above examples only show 1 embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a flat nonmetal central tube type optical cable, its characterized in that includes PE sheath (1), is located cable core (2) inboard of PE sheath (1), is located first nonmetal reinforcement (3), the nonmetal reinforcement of second (4) of cable core (2) both sides, cable core (2) outside cladding has asbestos fiber layer (5), asbestos fiber layer (5) outside is equipped with high carbon steel band (6), high carbon steel band (6) are the heliciform winding and are in the asbestos fiber layer (5) outside, the cladding in high carbon steel band (6) outside has antistatic teflon rete (7), PE sheath (1) outside cover is equipped with wearing layer (8), wearing layer (8) with have the space between PE sheath (1), the space intussuseption is filled with fire prevention and is irritated and annotates material (9).

2. The flat non-metal central tube optical cable according to claim 1, wherein the outer side of the abrasion resistant layer (8) is covered with an ultraviolet-proof coating (10).

3. A flat non-metallic central tube cable according to claim 1, wherein the cable core (2) comprises a loose tube (21), optical fibers (22) inside the loose tube (21), a water blocking filler (23).

4. A flat non-metallic central tube optical cable as claimed in claim 3, wherein said water-blocking filler (23) is a fiber paste or a dry water-blocking yarn.

5. The flat non-metallic central tube optical cable according to claim 1, wherein the thickness of the asbestos fiber layer (5) is 0.1 to 0.5 mm.