CN217821013U

CN217821013U - Mining anti-compression flame-retardant indoor single-core flexible optical cable

Info

Publication number: CN217821013U
Application number: CN202222017361.XU
Authority: CN
Inventors: 陈春明; 沈俊峰; 丁赟超; 王瑜哲; 王俊; 王小平; 荆人杰; 许思远; 周江涛; 许铮
Original assignee: ZHEJIANG HEADWAY COMMUNICATION EQUIPMENT CO Ltd
Current assignee: ZHEJIANG HEADWAY COMMUNICATION EQUIPMENT CO Ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-11-15
Anticipated expiration: 2032-08-02

Abstract

The utility model provides a fire-retardant indoor single core flexible optical cable of mining resistance to compression, single core flexible optical cable adopt the bare fiber of quartz glass material as single core major structure, and the outside of bare fiber surrounds and is provided with the buffer layer, surrounds in the outside of buffer layer and is provided with the armor, is provided with fire-retardant sheath in the outside of armor, and fire-retardant sheath is as the holistic outermost structure of single core flexible optical cable, the buffer layer adopts the coaxial parcel shaping of plastic material to form the cable core structure in the outside of bare fiber, and the bare fiber is kept apart to the buffer layer and is exchanged with external environment light, and the armor is for the network structure of weaving and surround in the outside of cable core structure, and fire-retardant sheath keeps apart the inside and outside environment of cable core structure, and in this design mainly was applied to mining environment, aim at the compressive capacity and the flame retardant ability who improves the optical cable, can adapt to the requirement of indoor environment wiring.

Description

Compression-resistant flame-retardant indoor single-core flexible optical cable for mine

Technical Field

The utility model relates to an indoor cloth establishes the institutional advancement of using the optical cable, specifically is a fire-retardant indoor single core soft optical cable of mining resistance to compression.

Background

The mining optical cable is an optical cable product used in a mineral environment and needs to resist the conditions of vibration, extrusion and the like in the mineral environment, the optical cable is an outdoor laying part and an indoor laying part, the optical cable laid outdoors is mostly in a bundling mode and can be connected into different functional areas, so that good outdoor weather resistance is needed, the indoor optical cable mainly connects an indoor network environment with an outdoor network to achieve information communication, the indoor environment does not need high weather resistance, but the indoor environment is complex, corners need to be laid at more positions, the optical cable has bending limitation, the bending angle cannot be too small, and meanwhile due to the characteristics of the mine environment, the mining optical cable needs to have good compression resistance and fire resistance effects to achieve the purposes that the mine environment can timely and effectively transmit information when the mine environment is in a state, so that the management efficiency in the mine is improved, the safety level is improved, and according to the requirements, the existing indoor optical cable needs to be structurally improved, and the existing optical cable is mainly filled with aramid fibers, is poor in compression resistance, is not beneficial to flame retardation and is not suitable for being directly applied to the mine environment.

Disclosure of Invention

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a fire-retardant indoor single core soft optical cable of mining resistance to compression.

The utility model provides a technical scheme that above-mentioned problem adopted is: the single-core soft optical cable adopts bare fibers made of quartz glass materials as a single-core main body structure, the outside of the bare fibers is surrounded and provided with a buffer layer, the outside of the buffer layer is surrounded and provided with an armor layer, the outside of the armor layer is provided with a flame-retardant sheath, the flame-retardant sheath is used as the integral outermost layer structure of the single-core soft optical cable, the buffer layer adopts a plastic material to coaxially wrap and form a cable core structure outside the bare fibers, the buffer layer isolates the bare fibers from external environment light exchange, the armor layer is a woven net structure and surrounds the outside of the cable core structure, and the flame-retardant sheath isolates the internal and external environments of the cable core structure.

This design is the improvement of an indoor optical cable environmental suitability structure, mainly be applied to mining environment, aim at improves the compressive capacity and the flame retardant property of optical cable, can effectively improve the adaptability of optical cable in mining environment, effectively guarantee data transmission's safety and stability, and can adapt to the requirement of indoor environment wiring, the toughness of optical cable is good, can effectively reduce the loss to optical cable transmission when buckling, improve information transfer's reliability, cable structure is reliable and stable, can effectively improve life, can long-time steady operation.

The single core flexible optical cable in this structure is the optical cable product of laying at the indoor environment, mainly adapt to and use in the mineral environment, infrastructure environment in the mining environment is unstable, so need have good resistance to compression effect, the buffer layer and the armor of this design can improve the holistic compressive capacity of cable and reduce and produce the influence because the influence of external environment to the work of optical cable, the core adopts quartz glass's bare fiber, the loss of transmission is low, and cooperate the buffer layer, effectively improve the performance of buckling of optic fibre, better adaptation indoor environment's work, outermost fire-retardant sheath provides outside guard action, and have fire-retardant ability, improve the guard action to the cable core.

Further, the outer part of the bare fiber is coated with a UV light curing coating, the UV light curing coating uniformly covers the bare fiber and is in contact connection with the buffer layer, and the thickness of the UV light curing coating is 0.1-0.2mm. The UV light curing coating can reduce the effect of external light radiation of the bare optical fiber and improve the transmission quality of signals.

Furthermore, the buffer layer is made of a silicon rubber material, the buffer layer is formed outside the bare optical fiber in a uniform thickness mode, and the silicon rubber material is of an opaque type. The silicon rubber material has excellent elasticity, and adopts a lightproof material to improve the blocking effect on the photoelectric signal of the optical fiber.

Furthermore, a layer of tightly-covered layer is arranged between the buffer layer and the armor layer, is made of nylon materials, is connected to the outside of the buffer layer in a close contact mode, and is connected with the armor layer in a gap embedding mode. The tight covering layer can closely combine buffer layer and armor, effectively improves the resistance to compression effect of cable, improves the texture quality.

Furthermore, the armor layer adopts a metal wire with the diameter of 0.2-0.4 mm to form a net-shaped armor structure, and surrounds the outside of the cable core structure. The armor layer adopts the woven mesh formed by the metal wires as the surrounding material of the structure, which is favorable for reducing the local pressure to the cable core structure, distributing the received pressure and reducing the deformation of the cable core.

Furthermore, the flame-retardant sheath is formed into a sleeve structure by adopting a low-smoke halogen-free material and wraps other structures of the cable. The flame-retardant sheath can not directly burn, and a carbonization layer can be formed in a high-temperature environment, so that the influence on the cable core structure is effectively reduced.

Compared with the prior art, the utility model, have following advantage and effect: this design is the improvement of an indoor optical cable environmental suitability structure, mainly be applied to mining environment, aim at improves the compressive capacity and the flame retardant property of optical cable, can effectively improve the adaptability of optical cable in mining environment, effectively guarantee data transmission's safety and stability, and can adapt to the requirement of indoor environment wiring, the toughness of optical cable is good, can effectively reduce the loss to optical cable transmission when buckling, improve information transfer's reliability, cable structure is reliable and stable, can effectively improve life, can long-time steady operation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the cross section direction of the present invention.

In the figure: 1. the optical fiber cable comprises a bare optical fiber, 2 a buffer layer, 3 an armor layer, 4 a flame-retardant sheath, 5 a UV light curing coating film, 6 a tight cladding layer.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

The utility model provides a fire-retardant indoor single core soft optical cable of mining resistance to compression, single core soft optical cable adopt the bare fiber 1 of quartz glass material as single core major structure, and the outside of bare fiber 1 surrounds and is provided with buffer layer 2, surrounds in the outside of buffer layer 2 and is provided with armor 3, is provided with fire-retardant sheath 4 in the outside of armor 3, and fire-retardant sheath 4 is as the holistic outermost structure of single core soft optical cable, buffer layer 2 adopts the coaxial parcel shaping of plastic material to form the cable core structure in the outside of bare fiber 1, and buffer layer 2 keeps apart bare fiber 1 and outside environment light exchange, and armor 3 is for the network structure of weaving and surrounds the outside at the cable core structure, and fire-retardant sheath 4 keeps apart the inside and outside environment of cable core structure.

The outer part of the bare optical fiber 1 is coated with a UV light curing coating 5, the UV light curing coating 5 uniformly covers the bare optical fiber 1 and is in contact connection with the buffer layer 2, and the thickness of the UV light curing coating 5 is 0.1-0.2mm.

The buffer layer 2 is made of silicon rubber material, the thickness of the buffer layer is uniform, the buffer layer is formed outside the bare optical fiber 1, and the silicon rubber material is of an opaque type.

A layer of tightly-covered layer 6 is further arranged between the buffer layer 2 and the armor layer 3, the tightly-covered layer 6 is made of nylon materials and is connected to the outside of the buffer layer 2 in a close contact mode, and the tightly-covered layer is connected with the armor layer 3 in a gap embedding mode.

The armor layer 3 is formed into a net-shaped armor structure by adopting metal wires with the diameter of 0.2-0.4 mm, and surrounds the outside of the cable core structure.

The flame-retardant sheath 4 is formed by a low-smoke halogen-free material into a sleeve structure and wraps other structures of the cable.

It is obvious to a person skilled in the art that the invention is not limited to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention, and that the embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only one independent technical solution, and such description is given for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. The utility model provides a mining resistance to compression fire-retardant indoor single core soft optical cable which characterized in that: the single-core flexible optical cable adopts a bare optical fiber (1) made of quartz glass as a single-core main body structure, the outer part of the bare optical fiber (1) is surrounded and provided with a buffer layer (2), the outer part of the buffer layer (2) is surrounded and provided with an armor layer (3), the outer part of the armor layer (3) is provided with a flame-retardant sheath (4), the flame-retardant sheath (4) is used as the integral outermost layer structure of the single-core flexible optical cable, the buffer layer (2) adopts a plastic material to be coaxially wrapped and molded to form a cable core structure outside the bare optical fiber (1), the buffer layer (2) isolates the bare optical fiber (1) from light exchange with the external environment, the armor layer (3) is of a woven mesh structure and surrounds the cable core outside the cable core structure, and the flame-retardant sheath (4) isolates the internal and external environments of the structure.

2. The indoor single-core flexible optical cable for mining use according to claim 1, wherein: the outer part of the bare optical fiber (1) is coated with a UV light curing coating film (5), the UV light curing coating film (5) uniformly covers the bare optical fiber (1) and is in contact connection with the buffer layer (2), and the thickness of the UV light curing coating film (5) is 0.1-0.2mm.

3. The mining anti-compression flame-retardant indoor single-core flexible optical cable according to claim 1, characterized in that: the buffer layer (2) is made of a silicon rubber material, the thickness of the buffer layer is uniform, the buffer layer is formed outside the bare optical fiber (1), and the silicon rubber material is opaque.

4. The mining anti-compression flame-retardant indoor single-core flexible optical cable according to claim 1, characterized in that: still be provided with one deck tight cladding layer (6) between buffer layer (2) and armor (3), tight cladding layer (6) adopt the nylon materials and the close contact connects in the outside of buffer layer (2) to be connected with the clearance embedding of armor (3).

5. The indoor single-core flexible optical cable for mining use according to claim 1, wherein: the armor layer (3) is formed into a net-shaped armor structure by adopting metal wires with the diameter of 0.2-0.4 mm, and surrounds the outside of the cable core structure.

6. The mining anti-compression flame-retardant indoor single-core flexible optical cable according to claim 1, characterized in that: the flame-retardant sheath (4) is formed into a sleeve structure by adopting a low-smoke halogen-free material and wraps other structures of the cable.