CN216210122U

CN216210122U - Micro-pipeline optical cable

Info

Publication number: CN216210122U
Application number: CN202122715328.XU
Authority: CN
Inventors: 周翌东; 邱伟丰; 周吉祥
Original assignee: Jiangsu Yurong Photoelectric Technology Co ltd
Current assignee: Jiangsu Yurong Photoelectric Technology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-05
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a micro-pipeline optical cable, and relates to the technical field of micro-pipeline optical cables. The cable comprises an optical fiber bundle cable core, a waterproof isolation layer, a heat insulation wrapping layer, a flame-retardant filling layer, a first wrapping layer, a second reinforcing layer and a third wrapping outer layer, wherein the waterproof isolation layer is fixedly installed on the outer side of the optical fiber bundle cable core, the heat insulation wrapping layer is fixedly installed on the outer side of the waterproof isolation layer, and the flame-retardant filling layer is arranged on the outer side of the heat insulation wrapping layer. According to the utility model, through the arrangement of the waterproof isolation layer, the heat insulation wrapping layer, the flame-retardant filling layer and the first wrapping layer, the high-temperature-resistant and flame-retardant functions of the optical cable are realized, so that the flame spread is effectively prevented, the fire-fighting function is good, the use is safer, and through the arrangement of the second reinforcing layer and the third wrapping outer layer, the reinforcement of the outer wrapping layer of the optical cable is realized, so that the optical cable has rat and ant prevention and flame retardance, and the use is more convenient.

Description

Micro-pipeline optical cable

Technical Field

The utility model belongs to the technical field of micro-pipeline optical cables, and particularly relates to a micro-pipeline optical cable.

Background

The micro cable technology is completely mature as a new network building solution, the micro cable technology utilizes a method of blowing a cable by air, firstly, a micro pipe is blown into a laid mother pipe, then, the micro cable can be blown into the micro pipe in batches according to business development requirements, each optical fiber bundle in an optical cable can be independently formed into a branch sub cable, flexible branching is facilitated, normal operation of other non-branch sub cables is not influenced in the optical cable branching process, the optical cable can be independently used in a single optical fiber bundle branch mode, or can be formed into a unit by a plurality of optical fiber bundles for use, meanwhile, the number of cores of the optical cable can be changed according to actual needs, great flexibility is achieved from the production angle, the number of the cores is required, and the optical cable is not required to be formed into a complete round cable for production by conventional optical cables. The high temperature resistant and fire-retardant effect of current device in the use is not good, and the optical cable is ageing easily and is caused the accident of catching fire in long-term the use, has brought the inconvenience for the user, and the protection against rodents of optical cable is not good simultaneously for the life of optical cable reduces.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a micro-pipeline optical cable, which solves the existing problems that: the existing device has poor high temperature resistance and flame retardant effect in the using process, and the optical cable is easy to age to cause accidental fire accidents in long-term use, so that inconvenience is brought to users.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a micro-pipeline optical cable which comprises an optical fiber bundle core, a waterproof isolation layer, a heat insulation wrapping layer, a flame-retardant filling layer, a first wrapping layer, a second reinforcing layer and a third wrapping outer layer.

Further, the outside fixed mounting of optical fiber bundle cable core has waterproof insulating layer, the outside fixed mounting of waterproof insulating layer has thermal-insulated parcel layer, the outside of thermal-insulated parcel layer is provided with fire-retardant filling layer, the outside fixed mounting of fire-retardant filling layer has first parcel layer, the outside fixed mounting of first parcel layer has the second enhancement layer, the outside fixed mounting of second enhancement layer has the third to wrap up externally.

Furthermore, the optical fiber bundle cable core adopts the same product as the air-blown micro cable.

Furthermore, the waterproof isolation layer is made of water-blocking fiber paste.

Furthermore, the heat insulation wrapping layer is made of high-temperature-resistant ethylene propylene rubber.

Furthermore, the flame-retardant filling layer is filled in a gap between the heat insulation wrapping layer and the first wrapping layer, and the flame-retardant filling layer is made of flame-retardant glass fibers.

Furthermore, the first wrapping layer is made of aramid fibers and glass fibers in a mixed weaving mode.

Furthermore, the second reinforcing layer is made of a stainless steel belt, and an environment-friendly Al (OH) flame retardant is added into the third wrapping outer layer.

The utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the waterproof isolation layer, the heat insulation wrapping layer, the flame-retardant filling layer and the first wrapping layer, the high-temperature-resistant and flame-retardant functions of the optical cable are realized, so that the optical cable has a good fire-fighting function and is safer to use, and the flame spread is effectively prevented.

2. According to the utility model, the second reinforcing layer and the third wrapping outer layer are arranged, so that the outer wrapping layer of the optical cable is reinforced, the optical cable has rat and termite resistance and flame retardance, and the optical cable is more convenient to use.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

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

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

FIG. 2 is a structural cross-sectional view of the present invention as a whole;

FIG. 3 is a schematic view of a second reinforcement layer according to the present invention;

fig. 4 is a schematic structural view of the waterproof insulating layer of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a fiber bundle core; 2. a waterproof insulating layer; 3. a heat insulating wrapping layer; 4. a flame retardant filler layer; 5. a first wrapping layer; 6. a second reinforcing layer; 7. and a third outer wrapping layer.

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. 1-4, the present invention is a micro-duct optical cable, which includes an optical fiber bundle core 1, a waterproof insulating layer 2, a heat insulating wrapping layer 3, a flame-retardant filling layer 4, a first wrapping layer 5, a second reinforcing layer 6 and a third wrapping layer 7, wherein the optical fiber bundle core 1 is made of a product identical to an air-blown micro-cable, the waterproof insulating layer 2 is fixedly installed on the outer side of the optical fiber bundle core 1, the waterproof insulating layer 2 is made of a water-blocking fiber paste, which can increase the water-blocking performance of the optical cable and also can make the inner space of the optical cable solid, which can increase the stability of the inner structure of the optical cable, the heat insulating wrapping layer 3 is fixedly installed on the outer side of the waterproof insulating layer 2, the heat insulating wrapping layer 3 is made of a high temperature resistant ethylene propylene rubber material, the flame-retardant filling layer 4 is disposed on the outer side of the heat insulating wrapping layer 3, the first wrapping layer 5 is fixedly installed on the outer side of the flame-retardant filling layer 4, the material of first wrapping layer 5 adopts aramid fiber and glass fiber to compile thoughtlessly and forms, and fire-retardant filling layer 4 is filled in the gap between thermal-insulated wrapping layer 3 and first wrapping layer 5, and fire-retardant glass fiber is adopted to the inside material of fire-retardant filling layer 4, has realized making the optical cable can be high temperature resistant and fire-retardant function to effectively preventing stretching of flame has fine fire control function, uses also safer.

The outer side of the first wrapping layer 5 is fixedly provided with a second reinforcing layer 6, the outer side of the second reinforcing layer 6 is fixedly provided with a third wrapping outer layer 7, the second reinforcing layer 6 is made of stainless steel strips, the stainless steel strips can be used for achieving the rat and ant prevention function of the optical cable, the service life of the optical cable is prolonged, an environment-friendly Al (OH)3 flame retardant is added into the third wrapping outer layer 7, the Al (OH)3 flame retardant can effectively retard flame of the optical cable, the high temperature resistance can reach 1, the temperature of the first wrapping layer is 50-50 ℃, and the optical cable is non-toxic and smokeless, so that the optical cable is higher in fire resistance and more environment-friendly.

One specific application of this embodiment is: whether the device can be normally used is checked, then the outer side of the optical fiber bundle cable core 1 is filled with a waterproof isolation layer 2, the material of the waterproof isolation layer 2 is water-blocking fiber paste, the outer side of the waterproof isolation layer 2 is wrapped with a heat-insulating wrapping layer 3, the material of the heat-insulating wrapping layer 3 is made of high-temperature-resistant ethylene propylene rubber, the outer side of the heat-insulating wrapping layer 3 is provided with a flame-retardant filling layer 4, the outer side of the flame-retardant filling layer 4 is fixedly provided with a first wrapping layer 5, the material of the first wrapping layer 5 is formed by blending aramid fibers and glass fibers, the flame-retardant filling layer 4 is filled in a gap between the heat-insulating wrapping layer 3 and the first wrapping layer 5, the flame-retardant filling layer 4 is made of flame-retardant glass fiber, so that the optical cable can resist high temperature and has a flame-retardant function, the flame can be effectively prevented from spreading, a good fire-fighting function is realized, and the use is safer; the outside fixed mounting of first parcel layer 5 has second enhancement layer 6, and the outside fixed mounting of second enhancement layer 6 has third parcel outer 7, and the material of second enhancement layer 6 adopts the stainless steel strip, and the inside Al (OH)3 fire retardant that has the environmental protection that adds of third parcel outer 7 has realized the enhancement to the outside parcel layer of optical cable to make the optical cable have protection against rodents ant and fire resistance, it is more convenient to use.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A micro-duct optical cable, characterized in that: the micro-pipeline optical cable comprises an optical fiber bundle cable core (1), a waterproof isolation layer (2), a heat insulation wrapping layer (3), a flame-retardant filling layer (4), a first wrapping layer (5), a second reinforcing layer (6) and a third wrapping outer layer (7).

2. The micro-duct optical cable according to claim 1, wherein a waterproof insulating layer (2) is fixedly mounted on the outer side of the optical fiber bundle cable core (1), an insulating wrapping layer (3) is fixedly mounted on the outer side of the waterproof insulating layer (2), a flame-retardant filling layer (4) is arranged on the outer side of the insulating wrapping layer (3), a first wrapping layer (5) is fixedly mounted on the outer side of the flame-retardant filling layer (4), a second reinforcing layer (6) is fixedly mounted on the outer side of the first wrapping layer (5), and a third wrapping outer layer (7) is fixedly mounted on the outer side of the second reinforcing layer (6).

3. Micro-duct optical cable according to claim 1, characterized in that the core (1) is made of the same product as an air-blown micro-cable.

4. The micro-duct optical cable according to claim 1, wherein the waterproof and insulating layer (2) is made of water-blocking fiber paste.

5. The micro-duct optical cable according to claim 1, wherein the heat insulation covering layer (3) is made of high temperature resistant ethylene propylene rubber.

6. The micro-duct optical cable according to claim 1, wherein the flame-retardant filling layer (4) is filled in a gap between the heat-insulating wrapping layer (3) and the first wrapping layer (5), and the flame-retardant filling layer (4) is made of flame-retardant glass fiber.

7. The micro-duct optical cable as claimed in claim 1, wherein the first wrapping layer (5) is made of aramid fiber and glass fiber by mixed weaving.

8. The micro-duct optical cable according to claim 1, wherein the second reinforcing layer (6) is made of stainless steel band, and an environmentally friendly al (oh)3 flame retardant is added inside the third outer coating layer (7).