CN216485679U

CN216485679U - Anti-static armored optical cable

Info

Publication number: CN216485679U
Application number: CN202122622142.XU
Authority: CN
Inventors: 林涛
Original assignee: Shenzhen Youngsun Com Optical Fiber Cable Co ltd
Current assignee: Shenzhen Youngsun Com Optical Fiber Cable Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-10
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses an anti-static armored optical cable which comprises an optical cable main body, wherein the optical cable main body comprises a tightly-packed optical fiber, a spiral steel pipe, a Kevlar reinforcing part, a stainless steel inner weaving layer, a sheath and an outer weaving layer, the sheath is arranged on the inner side of the outer weaving layer, the stainless steel inner weaving layer is arranged on the inner side of the sheath, the tightly-packed optical fiber is arranged on the inner side of the spiral steel pipe, and the Kevlar reinforcing part is arranged between the spiral steel pipe and the stainless steel inner weaving layer; this optical cable is when using, owing to set up outer weaving layer and the interior weaving layer of stainless steel, the static on effective conduction optical cable and optical cable attachment surface, this optical cable has antistatic, and the transmission is stable, can use under adverse circumstances, advantages such as longe-lived, but wide application in fields such as colliery, petroleum pipeline, intensive chemical corrosion harm place, and the while intussuseption at the sheath of this optical cable is filled with the mica granule, and the mica granule can play the fire-retardant effect of putting out a fire, increases the fire resistance of optical cable.

Description

Anti-static armored optical cable

Technical Field

The utility model belongs to the technical field of optical cables, and particularly relates to an anti-static armored optical cable.

Background

With the development of informatization, the transmission amount of information is rapidly increased, and the optical fiber cable is widely applied in various industries. The optical cable used at present is simple in structure and comprises a single-core tight-buffered optical fiber and a sheath layer coated on the surface of the single-core tight-buffered optical fiber, the optical fiber is simple in production process and poor in mechanical property, the optical fiber is easy to bend or break in the construction or use process, the transmission of optical fiber signals is finally interrupted, and the long-term stability of the transmission characteristic of the optical fiber is seriously influenced

The prior antistatic armored optical cable has the problems that in recent years, coal mine safety accidents frequently occur, serious casualties are caused, coal mine accidents mainly occur due to roof collapse, gas, electromechanics, transportation, blasting, fire, water damage and other eight accidents, the coal mine accidents are caused by roof collapse, landslide, gas explosion, electromechanical equipment explosion, fire, water permeation and the like, the traditional technical means is to monitor fire by using an electric detector, no effective and safe detection means exists for vicious accidents such as collapse, water permeation and the like, or the detector cannot simultaneously monitor accident early warning of fire, collapse, landslide, gas explosion, equipment explosion and water permeation, the detection means is relatively single and lags behind, and the mechanical performance and the antistatic performance of the prior optical cable for temperature detection, underground harmful gas detection and coal mine collapse monitoring cannot meet the use requirements, to this end, we propose an antistatic armored cable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-static armored optical cable to solve the problems that the common optical cable and the like proposed in the background technology are easy to generate static corrosion and the mechanical performance of the optical cable is low.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an antistatic armored optical cable, includes optical cable main part, optical cable main part includes tight package optic fibre, spiral steel pipe, Kevlar reinforcement, the interior weaving layer of stainless steel, sheath and outer weaving layer, the sheath sets up the inboard at outer weaving layer, the interior weaving layer of stainless steel sets up the inboard of sheath, just the inboard of outer weaving layer is provided with the stopper of integral type, the surface of sheath is seted up flutedly, tight package optic fibre sets up the inboard at spiral steel pipe, Kevlar reinforcement sets up spiral steel pipe with between the interior weaving layer of stainless steel.

Preferably, the inside of the sheath is filled with mica particles.

Preferably, the outer weaving layer and the sheath, and the stainless steel inner weaving layer and the sheath are both installed in a limiting mode through the limiting blocks and the grooves.

Preferably, the tightly-packed optical fiber is an optical fiber made of glass, and the sheath is made of a protective sleeve made of LSZH material.

Preferably, the outer diameter of the outer braided layer is 3.5mm +/-0.2 mm.

Preferably, the sheath and the outer braid constitute a double braided protective layer.

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

(1) this optical cable is when using, owing to set up outer weaving layer and the interior weaving layer of stainless steel, effectively conduct the static on optical cable and optical cable attachment surface, thereby avoid harm such as electrostatic corrosion and discharge, and the armor structure of spiral steel pipe combines the protection of weaving layer in outer weaving layer and the stainless steel, the mechanical properties of optical cable is better, can effectively prevent the injury of work progress to optic fibre, extensively be applicable to the colliery, the petrochemical industry pipeline, steel factory fire control temperature measurement, various adverse circumstances such as the place of intensive chemical corrosion harm, be provided with limit structure in the both sides of sheath simultaneously, when the both sides of sheath are set up with outer weaving layer in the stainless steel, it is spacing through stopper and recess, can prevent to twist the dislocation soon in the optical cable laying process, thereby improve the structural strength of optical cable.

(2) The optical cable has the advantages of static electricity prevention, stable transmission, long service life and the like, can be used in severe environment, can be widely applied to the fields of coal mines, petroleum pipelines, reinforced chemical corrosion hazard places and the like, and has wide market application and large space;

(3) meanwhile, mica particles are filled in the sheath of the optical cable, and can play a role in extinguishing fire and retarding flame, so that the fire resistance of the optical cable is improved, and the stability of the optical cable in use is improved.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the structure of A in FIG. 1 according to the present invention;

in the figure: 1. tightly wrapping the optical fiber; 2. a spiral steel pipe; 3. a Kevlar stiffener; 4. a stainless steel inner braid; 5. a sheath; 6. an outer braid layer; 7. mica particles; 8. a limiting block; 9. and (4) a groove.

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, the present invention provides a technical solution: an antistatic armored optical cable comprises an optical cable main body, wherein the optical cable main body comprises a tightly-packed optical fiber 1, a spiral steel pipe 2, a Kevlar reinforcement 3, a stainless steel inner weaving layer 4, a sheath 5 and an outer weaving layer 6, the sheath 5 is arranged on the inner side of the outer weaving layer 6, the stainless steel inner weaving layer 4 is arranged on the inner side of the sheath 5, an integrated limiting block 8 is arranged on the inner side of the outer weaving layer 6, a groove 9 is formed in the surface of the sheath 5, the tightly-packed optical fiber 1 is arranged on the inner side of the spiral steel pipe 2, the Kevlar reinforcement 3 is arranged between the spiral steel pipe 2 and the stainless steel inner weaving layer 4, the optical cable has the advantages of static electricity prevention and stable transmission through a plurality of arranged combination layers, can be used in a severe environment, has long service life and the like, and can be better used, preferably, mica particles 7 are filled in the inner side of the sheath 5, and the arranged mica particles 7 can play a role of flame-retardant fire extinguishing, the safety of the optical cable is improved.

For better installation and use, in the present embodiment, the outer diameter of the outer braid 6 is preferably 3.5mm ± 0.2mm, for better protection, in the present embodiment, the material of the sheath 5 is preferably a protective sheath made of LSZH material, for convenience of protection, in the present embodiment, preferably, the sheath 5 and the outer braid 6 constitute a double-layer braided protective layer, and for improving the strength and toughness of the tightly-wrapped optical fiber 1, in the present embodiment, preferably, the tightly-wrapped optical fiber 1 is an optical fiber made of glass.

The working principle and the using process of the utility model are as follows: when the optical cable is used and installed, the outer weaving layer 6 and the stainless steel inner weaving layer 4 are arranged to effectively conduct static on the surfaces of the optical cable and the optical cable attachment, so that damages such as static corrosion and discharge are avoided, in the traditional thinking, only one layer of stainless steel weaving layer is needed to prevent the static damage, but in practice, the applicant finds that even if one layer of stainless steel weaving layer is arranged in certain severe environments, the static damage can still be influenced by the static, so that the double-layer stainless steel weaving layer is arranged, the static damage can be deeply prevented, the armor structure of the spiral steel pipe 2 is combined with the protection of the outer weaving layer 6 and the stainless steel inner weaving layer 4, the mechanical property of the optical cable is better, the damage to the optical fiber in the construction process can be effectively prevented, and the optical cable is widely suitable for various severe environments such as coal mine, petrochemical pipeline, steel factory fire-fighting temperature measurement, and chemical corrosion damage strengthening places, sheath 5 is located between weaving layer 4 in outer weaving layer 6 and the stainless steel, and the both sides surface of sheath 5 is spacing between weaving layer 4 in outer weaving layer 6 and the stainless steel through stopper 8 and recess 9, guarantee the stability of weaving layer 4 in outer weaving layer 6 and the stainless steel, prevent that the both sides protective layer from revolving soon, improve the structural strength of this optical cable, the kevlar reinforcement 3 that combines special material, the optical cable of this implementation is corrosion-resistant, hydrophilic not, not oleophylic, can use for a long time in the reinforcement chemical environment, the external diameter of this antistatic type armor optical cable is 3.5mm shi 0.2mm, the optical cable is soft, toughness is good, be convenient for the construction cloth and put.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. The utility model provides an antistatic type armoured optical cable, includes the optical cable main part, its characterized in that: the optical cable main body comprises a tightly-wrapped optical fiber (1), a spiral steel pipe (2), a Kevlar reinforcement (3), a stainless steel inner woven layer (4), a sheath (5) and an outer woven layer (6), wherein the sheath (5) is arranged on the inner side of the outer woven layer (6), the stainless steel inner woven layer (4) is arranged on the inner side of the sheath (5), an integrated limiting block (8) is arranged on the inner side of the outer woven layer (6), a groove (9) is formed in the surface of the sheath (5), the tightly-wrapped optical fiber (1) is arranged on the inner side of the spiral steel pipe (2), and the Kevlar reinforcement (3) is arranged between the spiral steel pipe (2) and the stainless steel inner woven layer (4).

2. The antistatic armored cable of claim 1, wherein: the inside of the sheath (5) is filled with mica particles (7).

3. The antistatic armored cable of claim 1, wherein: the outer weaving layer (6) and the sheath (5) and the stainless steel inner weaving layer (4) and the sheath (5) are both installed in a limiting mode through the limiting blocks (8) and the grooves (9).

4. The antistatic armored cable of claim 1, wherein: the tightly packaged optical fiber (1) is made of glass, and the protective sleeve (5) is made of LSZH.

5. The antistatic armored cable of claim 1, wherein: the diameter of the outer ring of the outer weaving layer (6) is 3.5mm +/-0.2 mm.

6. The antistatic armored cable of claim 1, wherein: the sheath (5) and the outer braided layer (6) form a double-layer braided protective layer.