Deep-buried high-strength optical fiber

Abstract

The utility model provides a deeply-buried high-strength optical fiber, which relates to the technical field of optical communication, and comprises an optical fiber body and an optical fiber high-strength stress mechanism, the outer side of the optical fiber body is provided with the optical fiber high-strength stress mechanism, and the optical fiber high-strength stress mechanism comprises an aramid fiber layer and an optical fiber high-strength protection assembly. Through the arrangement of the optical fiber high-strength stress mechanism, the steel strand reinforcing core is formed by twisting a plurality of steel wires, has high tensile strength and good toughness, can bear large tensile force, keeps good flexibility and is not easy to break, and when the steel strand reinforcing core is used as a reinforcing piece in the optical cable, the tensile strength and the compression resistance of the optical cable can be remarkably improved, and the service life of the optical cable is prolonged. The optical fiber body is protected from being damaged by external force, the anti-explosion metal net layer can perform protection on the outer side, so that if geological changes occur, the anti-explosion metal net layer can achieve the protection effect from the outer layer, and meanwhile, the anti-explosion metal net layer is made of a metal material, and if the anti-explosion metal net layer is bitten by rats, the anti-explosion metal net layer can be prevented from being bitten by the rats.

Description

Technical Field

[0001] This utility model relates to the field of optical communication technology, and in particular to a deep-buried high-strength optical fiber. Background Technology

[0002] Fiber optic cable is a type of communication cable consisting of two or more glass or plastic optical fiber cores. These optical fiber cores are located within a protective cladding and covered by an outer plastic PVC sheath. Signal transmission along the internal optical fibers typically uses infrared light. Fiber optic cable plays an important role in modern information transmission, offering advantages such as large capacity, long relay distance, good confidentiality, immunity to electromagnetic interference, and copper savings.

[0003] A search revealed that the document with publication number "CN213091959U" mentions "This utility model discloses a high-strength optical fiber cable, including an outer jacket and a circular fixing ring. A reinforcing core is disposed in the center of the inner jacket, and optical fibers are disposed around the reinforcing core. A damping layer is fixedly connected to the side of the outer jacket, and the damping layer wraps around the optical fibers. A circular fixing ring is fixedly connected to the end face of the outer jacket. A second fixing plate is fixedly connected to the lower end face of the middle of the circular fixing ring. A first fixing plate is fixedly connected to the middle of the circular fixing ring and to the end face opposite to the second fixing plate. A spring is disposed at the upper end of the first fixing plate, and one end of the spring is fixed to the second fixing plate." The second fixing plate has a bolt threaded through its upper end and is threaded to the second fixing plate. The lower end of the bolt threaded through the first fixing plate and is threaded to the first fixing plate. The inner part of the outer jacket is provided with a glass fiber reinforced plastic strip. It can be used effectively. However, in deeply buried optical fiber cables, the deep burial makes subsequent maintenance more difficult. Therefore, the quality and pre-protection capabilities need to be strong enough in the early stage of manufacturing to avoid breakage and damage during use. Moreover, such optical cables are mostly integrated without intermediate connection ports. Even if there are connection ports, they are considered to be external connection components.

[0004] Therefore, we provide a deep-buried high-strength optical fiber to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a deep-buried high-strength optical fiber to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a deep-buried high-strength optical fiber, comprising an optical fiber body and an optical fiber high-strength force-bearing mechanism, wherein the optical fiber high-strength force-bearing mechanism is installed on the outer side of the optical fiber body;

[0007] The high-strength force-bearing structure of the optical fiber includes an aramid fiber layer and a high-strength protection component for the optical fiber. An aramid fiber layer is provided on the outer side of the optical fiber body, and a high-strength protection component for the optical fiber is provided on the outer side of the aramid fiber layer.

[0008] Preferably, the aramid fiber layer and the optical fiber body are bonded together, and there is a one-to-one correspondence between the aramid fiber layer and the optical fiber body.

[0009] Preferably, the high-strength fiber protection component includes a rubber layer, a steel strand reinforcing core, an explosion-proof metal mesh layer, and a shock-absorbing foam layer. The aramid fiber layer is wrapped with a rubber layer on the outside, a steel strand reinforcing core is disposed in the middle of the rubber layer, an explosion-proof metal mesh layer is wrapped with a rubber layer on the outside, and a shock-absorbing foam layer is disposed in the middle of the explosion-proof metal mesh layer.

[0010] Preferably, the steel strand reinforcing core and the rubber layer are bonded together, and the steel strand reinforcing core is a stranded steel rope structure.

[0011] Preferably, the explosion-proof metal mesh layer and the rubber layer are bonded together, and the explosion-proof metal mesh layer is an aluminum alloy metal mesh.

[0012] Preferably, the shock-absorbing foam layer and the explosion-proof metal mesh layer are bonded together, and the shock-absorbing foam layer and the explosion-proof metal mesh layer have a sandwich structure.

[0013] Preferably, a polyethylene sheath is provided on the outer side of the explosion-proof metal mesh layer, and the polyethylene sheath is tightly fitted to the explosion-proof metal mesh layer.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. Through the setting of the high-strength stress-bearing mechanism of the optical fiber, when needed, the aramid fiber layer can provide sufficient tensile strength for the optical fiber body, thereby reducing the possibility of the optical fiber body breaking due to internal length changes caused by excessive stretching. The aramid fiber layer itself can also be used as a reinforcing component to improve the tensile strength and compressive strength of the optical cable. The rubber layer can protect the optical fiber body, thereby achieving heat preservation and isolating the penetration of external moisture. Since it is buried deep underground, there will be a large amount of moisture underground, which can have a significant impact on the optical fiber body. At this time, the rubber layer can protect it.

[0016] 2. Through the high-strength load-bearing structure of the optical fiber, the steel strand reinforcing core is made of multiple steel wires twisted together, possessing high tensile strength and good toughness. It can withstand large tensile forces while maintaining good flexibility and is not easily broken. When used as a reinforcing component in optical cables, it can significantly improve the tensile strength and compressive strength of the optical cable, protecting the optical fiber from damage by external forces. The explosion-proof metal mesh layer can provide protection on the outside, so that in the event of geological changes, the explosion-proof metal mesh layer can achieve a protective effect from the outside. At the same time, since the explosion-proof metal mesh layer is made of metal, it can prevent rodents from gnawing through it, providing the outermost layer of protection. The shock-absorbing foam layer can effectively reduce the vibration and bending of the internal optical fiber, thereby protecting the safety of the optical fiber. At the same time, the shock-absorbing foam layer can provide insulation, avoiding internal thermal expansion and contraction that could cause deformation and damage to the optical fiber. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall appearance structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the overall cross-sectional structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the overall side structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the optical fiber body and the aramid fiber layer of this utility model.

[0021] The following labels are used in the diagram: 1. Optical fiber body; 2. High-strength load-bearing structure for optical fiber; 21. Aramid fiber layer; 22. High-strength protective component for optical fiber; 221. Rubber layer; 222. Steel strand reinforcing core; 223. Explosion-proof metal mesh layer; 224. Shock-absorbing foam layer; 3. Polyethylene sheath. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example 1

[0024] Please see Figure 1-4 As shown, this utility model provides a technical solution: a deep-buried high-strength optical fiber, including an optical fiber body 1 and an optical fiber high-strength force-bearing mechanism 2, wherein the optical fiber high-strength force-bearing mechanism 2 is installed on the outside of the optical fiber body 1.

[0025] The high-strength fiber bearing mechanism 2 includes an aramid fiber layer 21 and a high-strength fiber protection component 22. The outer side of the fiber body 1 is provided with an aramid fiber layer 21, and the outer side of the aramid fiber layer 21 is provided with a high-strength fiber protection component 22.

[0026] Furthermore, the aramid fiber layer 21 and the optical fiber body 1 are bonded together, and there is a one-to-one correspondence between the aramid fiber layer 21 and the optical fiber body 1. When needed, the aramid fiber layer 21 can provide sufficient tensile strength to the optical fiber body 1, thereby reducing the possibility of the optical fiber body 1 breaking due to internal length changes caused by excessive stretching. In addition, the aramid fiber layer 21 itself can be used as a reinforcing member to improve the tensile strength and compressive strength of the optical cable.

[0027] Furthermore, the high-strength fiber protection component 22 includes a rubber layer 221, a steel strand reinforcing core 222, an explosion-proof metal mesh layer 223, and a shock-absorbing foam layer 224. The aramid fiber layer 21 is wrapped with the rubber layer 221 on the outside, the steel strand reinforcing core 222 is arranged in the middle of the rubber layer 221, the explosion-proof metal mesh layer 223 is wrapped with the rubber layer 221 on the outside, and the shock-absorbing foam layer 224 is arranged in the middle of the explosion-proof metal mesh layer 223. When needed, the rubber layer 221 can protect the fiber body 1, thereby achieving heat preservation and isolating the penetration of external moisture. Since it is buried deep underground, there will be a large amount of moisture underground, which will have a significant impact on the fiber body 1. At this time, the rubber layer 221 can protect it.

[0028] Furthermore, the steel strand reinforcing core 222 and the rubber layer 221 are bonded together. The steel strand reinforcing core 222 is a stranded steel rope structure. When needed, the steel strand reinforcing core 222 is made of multiple strands of steel wire, possessing high tensile strength and good toughness. It can withstand large tensile forces while maintaining good flexibility and is not easily broken. When used as a reinforcing element in optical cables, it can significantly improve the tensile strength and compressive strength of the optical cable, protecting the optical fiber 1 from damage by external forces.

[0029] Furthermore, the explosion-proof metal mesh layer 223 and the rubber layer 221 are bonded together. The explosion-proof metal mesh layer 223 is made of aluminum alloy. When needed, the explosion-proof metal mesh layer 223 can provide protection on the outside. Thus, in the event of geological changes, the explosion-proof metal mesh layer 223 can provide protection from the outside. At the same time, since the explosion-proof metal mesh layer 223 is made of metal, it can prevent rodents from biting through it, providing the outermost layer of protection.

[0030] Furthermore, the shock-absorbing foam layer 224 and the explosion-proof metal mesh layer 223 are bonded together, forming a sandwich structure. When needed, the shock-absorbing foam layer 224 can effectively reduce the vibration and bending of the internal optical fiber 1, thereby protecting the safety of the optical fiber 1. At the same time, the shock-absorbing foam layer 224 can provide insulation to prevent internal thermal expansion and contraction, which could cause deformation and damage to the optical fiber 1.

[0031] Example 2

[0032] Please see Figure 1 , Figure 2 and Figure 3 As shown in the first embodiment, as another implementation of this utility model, a polyethylene sheath 3 is provided on the outside of the explosion-proof metal mesh layer 223. The polyethylene sheath 3 is tightly attached to the explosion-proof metal mesh layer 223. When needed, the polyethylene sheath 3 has the characteristics of being lightweight, flexible and durable, and can effectively resist various stresses and damages in the underground environment. Its excellent waterproof performance also helps to prevent moisture and other harmful substances from entering the optical cable and protect the safe operation of the optical fiber body 1.

[0033] Working principle: A deep-buried high-strength optical fiber is moved to the working position. When in use, the whole unit is first buried underground. At this time, the first step is that the polyethylene sheath 3 provides the outermost protection, while the explosion-proof metal mesh layer 223 provides a second layer of protection against hard objects such as stones. The second step is that the shock-absorbing foam layer 224 provides heat insulation and shock absorption protection, and at the same time, the rubber layer 221 prevents the optical fiber body 1 from being affected by external moisture. Finally, the aramid fiber layer 21 and the steel strand reinforcing core 222 provide tensile protection. This completes the use process of a deep-buried high-strength optical fiber.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A deep-buried high-strength optical fiber, comprising an optical fiber body (1) and a high-strength force-bearing mechanism for the optical fiber (2), characterized in that: A high-strength fiber bearing mechanism (2) is installed on the outside of the fiber body (1); The high-strength force-bearing mechanism (2) of the optical fiber includes an aramid fiber layer (21) and a high-strength protection component (22) of the optical fiber. The outer side of the optical fiber body (1) is provided with an aramid fiber layer (21), and the outer side of the aramid fiber layer (21) is provided with a high-strength protection component (22). The high-strength fiber protection component (22) includes a rubber layer (221), a steel strand reinforcing core (222), an explosion-proof metal mesh layer (223), and a shock-absorbing foam layer (224). The outer side of the aramid fiber layer (21) is wrapped with the rubber layer (221), the middle of the rubber layer (221) is provided with the steel strand reinforcing core (222), the outer side of the rubber layer (221) is wrapped with the explosion-proof metal mesh layer (223), and the middle of the explosion-proof metal mesh layer (223) is provided with the shock-absorbing foam layer (224).

2. The deep-buried high-strength optical fiber according to claim 1, characterized in that, The aramid fiber layer (21) and the optical fiber body (1) are bonded together, and there is a one-to-one correspondence between the aramid fiber layer (21) and the optical fiber body (1).

3. The deep-buried high-strength optical fiber according to claim 1, characterized in that, The steel strand reinforcing core (222) and the rubber layer (221) are bonded together, and the steel strand reinforcing core (222) is a wire-like steel rope stranded structure.

4. The deep-buried high-strength optical fiber according to claim 1, characterized in that, The explosion-proof metal mesh layer (223) and the rubber layer (221) are bonded together, and the explosion-proof metal mesh layer (223) is an aluminum alloy metal mesh.

5. The deep-buried high-strength optical fiber according to claim 1, characterized in that, The shock-absorbing foam layer (224) and the explosion-proof metal mesh layer (223) are bonded together, and the shock-absorbing foam layer (224) and the explosion-proof metal mesh layer (223) have a sandwich structure.

6. The deep-buried high-strength optical fiber according to claim 1, characterized in that, The outer side of the explosion-proof metal mesh layer (223) is provided with a polyethylene sheath (3), and the polyethylene sheath (3) is tightly attached to the explosion-proof metal mesh layer (223).

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