CN219657917U - High-strength glass fiber optical cable reinforcing core - Google Patents

Abstract

The utility model relates to the technical field of optical cables, specifically to a high-strength glass fiber optical cable reinforcing core, which includes an optical cable used to transmit optical signals and digital signals, and a protective component used to increase the strength of the optical cable to make the optical cable easy to bend and stretch. , a fire-proof component used to increase the fire resistance and anti-corrosion performance of optical cables. The beneficial effects of this utility model are: a glass fiber mesh is provided in the middle of the optical cable to increase the strength of the optical cable, and the reinforcing core is provided to increase the strength of the optical cable and prevent If the cable breaks, the possibility of catching fire in the optical cable is greatly reduced through the low-smoke halogen-free sheath, copper wire shielding layer, anti-corrosion layer and flame-retardant layer, and even if the optical cable catches fire, it will not produce a lot of smoke, thus It plays a role in protecting the environment, and the iron wire protective net set up on the outside can better protect the optical cable from damage and breakage.

Description

A high-strength glass fiber optical cable reinforcing core

Technical field

The utility model relates to the technical field of optical cables, in particular to a high-strength glass fiber optical cable reinforcing core.

Background technique

Optical fiber cables are manufactured to meet optical, mechanical or environmental performance specifications. They are communications cable assemblies that utilize one or more optical fibers placed in a sheath as the transmission medium and can be used individually or in groups. Optical cables are mainly composed of optical fibers, plastic protective sleeves and plastic outer sheaths. There are no gold, silver, copper, aluminum and other metals in the optical cables, and generally have no recycling value. Optical cable is a communication line in which a certain number of optical fibers form a cable core in a certain manner and are covered with a sheath, and some are also covered with an outer sheath to realize optical signal transmission. That is: a cable formed from optical fiber through a certain process. The basic structure of an optical cable is generally composed of cable core, reinforced steel wire, filler and sheath. In addition, there are waterproof layers, buffer layers, insulated metal wires and other components as needed.

Currently, existing optical cables are equipped with a glass fiber reinforced core in the middle. Although the tensile properties are enhanced, the reinforced core in the middle is particularly easy to break, and is accompanied by dust when broken, thus affecting the quality of the optical cable, and The existing optical cables have low anti-corrosion and fire protection properties, and when the optical cables are damaged and burned, they will produce a large amount of smoke, which will pollute the air and have poor environmental protection.

Therefore, it is necessary to design a high-strength glass fiber optical cable to strengthen the core.

Utility model content

To this end, the utility model provides a high-strength glass fiber optical cable reinforcing core, which uses a protective component and a fireproof component to solve the problem that the glass fiber reinforcing core is provided in the middle of the existing optical cable. Although the tensile performance is enhanced, the problem The reinforcing core in the middle is particularly easy to break, and when broken, it is accompanied by dust, which affects the quality of the optical cable. Moreover, the existing optical cable has low anti-corrosion and fire resistance, and when the optical cable is damaged and burned, it will produce a large amount of smoke. Problems such as air pollution and poor environmental protection.

In order to achieve the above purpose, the present utility model provides the following technical solution: a high-strength glass fiber optical cable reinforcing core, including:

Optical cables used to transmit optical signals and digital signals;

Protective components used to increase the strength of optical cables to make them easier to bend and stretch;

Fireproof components used to increase the fireproof performance and anti-corrosion performance of optical cables.

Preferably, the protection component includes a reinforcing core, the reinforcing core is arranged in the middle of the optical cable, a protective sleeve is evenly arranged in the middle of the optical cable and close to the reinforcing core, and the optical cable core is arranged in the middle of the protective sleeve, so Fillers are arranged between the protective sheath, reinforcing core and optical cable.

Preferably, the optical cable includes a wrapping tape, the wrapping tape is arranged around the filler and the protective sheath, the side wall of the wrapping tape is fixedly connected to an inner protective sheath, and the side wall of the inner protective sheath is fixed. A fiberglass mesh is connected, and an outer protective sheath is fixedly connected to the side wall of the fiberglass mesh.

Preferably, the fireproof component includes a fire-resistant mica tape, the fire-resistant mica tape is arranged around the optical cable core, the side walls of the fire-resistant mica tape are fixedly connected to an iron wire protective mesh layer, and the side walls of the iron wire protective mesh layer are fixed. An oxygen barrier layer is connected, and a flame retardant sheath is fixedly connected to the side wall of the oxygen barrier layer.

Preferably, the optical cable core includes a metal core, a low smoke halogen-free sleeve is fixedly connected to the side wall of the metal core, and a heat insulation layer is fixedly connected to the side wall of the low smoke halogen-free sleeve.

Preferably, the side wall of the heat insulation layer is fixedly connected with an anti-corrosion layer, the side wall of the anti-corrosion layer is fixedly connected with a copper wire shielding layer, and the side wall of the copper wire shielding layer is fixedly connected with a rubber sleeve.

The beneficial effects of the utility model are: a glass fiber mesh is provided in the middle of the optical cable to increase the strength of the optical cable, and the reinforced core can increase the strength of the optical cable and prevent the cable from breaking. Through the low-smoke halogen-free sleeve and copper The wire shielding layer, anti-corrosion layer and flame-retardant layer greatly reduce the possibility of fire of optical cables, and even if the optical cable catches fire, it will not produce a lot of smoke, thereby protecting the environment, and the iron wire protective net set on the outside , better protect the optical cable from damage and breakage.

Description of the drawings

Figure 1 is a schematic diagram of a reinforced core of a high-strength glass fiber optical cable provided by the utility model;

Figure 2 is a structural diagram of a reinforced core of a high-strength glass fiber optical cable provided by the utility model;

Figure 3 is a cable core structure diagram of a reinforced core of a high-strength glass fiber optical cable provided by the utility model;

Figure 4 is a structural diagram of a metal core of a reinforced core of a high-strength glass fiber optical cable provided by the utility model;

In the picture: 1. Optical cable; 2. Strengthening core; 3. Protective sleeve; 4. Optical cable core; 5. Outer protective sleeve; 6. Glass fiber mesh; 7. Inner protective sleeve; 8. Wrapping tape; 9. Filler ; 10. Flame retardant sheath; 11. Oxygen isolation layer; 12. Iron wire protective mesh layer; 13. Fire-resistant mica tape; 14. Rubber sleeve; 15. Metal core; 16. Low smoke halogen-free sleeve; 17. Heat insulation layer ; 18. Anti-corrosion layer; 19. Copper wire shielding layer.

Detailed ways

Preferred embodiments of the present utility model will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the utility model, and are not intended to limit the utility model.

Referring to Figures 1-4, the utility model provides a high-strength glass fiber optical cable reinforced core, which includes an optical cable 1 for transmitting optical signals and digital signals, and is used to increase the strength of the optical cable 1 so that the optical cable is easy to bend and pull. An extended protective component, a fire-proof component used to increase the fire resistance and anti-corrosion performance of the optical cable 1. The protective component includes a reinforcing core 2. The reinforcing core 2 can increase the strength of the optical cable. It is made of metal. The reinforcing core 2 is set in the middle of the optical cable 1. , a protective sleeve 3 is evenly arranged in the middle of the optical cable 1 and close to the reinforcing core 2. In the middle of the protective sleeve 3, an optical cable core 4 is provided. The optical cable core 4 is several connecting lines for transmitting optical signals and electrical signals. The protective sleeve 3, A filler 9 is provided between the reinforcing core 2 and the optical cable 1. The filler 9 can conveniently limit and fix the optical cable core 4 and is made of polyester tape. The optical cable 1 includes a wrapping tape 8, and the wrapping tape 8 is provided Around the filler 9 and the protective sleeve 3, an inner protective sleeve 7 is fixedly connected to the side wall of the wrapping tape 8. The inner protective sleeve 7 can play a protective role and is made of polyethylene. The wall is fixedly connected with a fiberglass mesh 6. The fiberglass mesh 6 can increase the strength of the optical cable and is made of glass fiber. The side wall of the fiberglass mesh 6 is fixedly connected with an outer protective sleeve 5. The outer protective sleeve 5 can provide protection. It is made of polyethylene. The fireproof components include refractory mica tape 13. The refractory mica tape 13 is a high-performance mica insulation product with excellent high temperature resistance and combustion resistance. The powder mica tape has good performance under normal conditions. Flexibility, suitable for the main fire-resistant insulation layer in various fire-resistant optical cables. There is basically no volatilization of harmful smoke when exposed to open fire. The fire-resistant mica tape 13 is set around the optical cable core 4, and the side walls of the fire-resistant mica tape 13 are fixedly connected with The iron wire protective mesh layer 12 has the effect of wear resistance and bending resistance. It is made of iron wire. The side wall of the iron wire protective mesh layer 12 is fixedly connected with an oxygen barrier layer 11. The oxygen barrier layer 11 can It plays the role of isolating oxygen and has a flame retardant effect. It is filled with mineral mud. The side wall of the oxygen barrier layer 11 is fixedly connected with a flame retardant sheath 10. The flame retardant sheath 10 relies on the flame retardant effect of halogen. It has a flame retardant effect. The optical cable core 4 includes a metal core 15. The metal core 15 facilitates the transmission of electrical signals and digital signals and is made of metal. The side wall of the metal core 15 is fixedly connected with a low-smoke halogen-free sleeve 16. Smoke-free halogen-free sleeve 16 refers to an environmentally friendly protective sleeve made of rubber that does not contain halogens, lead, cadmium, chromium, mercury and other environmental substances. It does not emit toxic smoke when burned. It can protect the environment and is low-smoke and smoke-free. The side wall of the halogen sleeve 16 is fixedly connected with a heat insulation layer 17. The heat insulation layer 17 can play a role in insulating heat and is made of Teflon. The side wall of the heat insulation layer 17 is fixedly connected with an anti-corrosion layer 18 to prevent The corrosion layer 18 refers to the chemical or electrochemical action of metal in the medium, forming a thin layer of oxides or salts on its surface, which can prevent the corrosion of the same medium or other media to a considerable extent, and can play an anti-corrosion role. As a result, the side wall of the anti-corrosion layer 18 is fixedly connected to a copper wire shielding layer 19. In order to uniformly conduct the wire core and insulate the electric field, the copper wire shielding layer 19 is made of copper wire. The side wall of the copper wire shielding layer 19 is fixedly connected to Rubber cover 14, rubber cover 14 can play a protective role and is made of rubber;

The usage process of the present utility model is as follows: those skilled in the art are provided with a glass fiber mesh 6 in the middle of the side wall of the optical cable to increase the strength of the optical cable, and the inner wrapping tape 8 can protect the optical cable core 4 and the reinforcing core 2, and Its position is limited and fixed by the filler 9, and a flame-retardant sheath 10 is provided in the middle of the protective cover 3 to rely on the flame-retardant effect of halogen, thereby achieving a flame-retardant effect. The oxygen barrier layer 11 can It isolates oxygen and has a flame retardant effect. The wire protective mesh layer 12 can provide wear resistance and bending resistance. The fire-resistant mica tape 13 is a high-performance mica insulation product with excellent high temperature resistance and Burning resistance, powdered mica tape has good softness under normal conditions, and is suitable for the main fire-resistant insulation layer in various fire-resistant optical cables. When exposed to open fire, there is basically no volatilization of harmful smoke, which can make the entire protective sleeve 3 have good Flame retardant and protective properties, and a low-smoke halogen-free sleeve 16 is fixed on the side wall of the middle metal core 15. It refers to the rubber that does not contain halogen, lead, cadmium, chromium, mercury and other environmental substances. It will not emit any emissions when burning. The environmentally friendly protective sleeve of toxic smoke can protect the environment and resist corrosion. When burning, a large amount of smoke will not appear. The environmental protection effect is greatly enhanced. The heat insulation layer 17 can make the optical cable The core 4 plays the role of insulating heat. The anti-corrosion layer 18 refers to the chemical or electrochemical action of metal in the medium, generating a thin layer of oxides or salts on its surface, which prevents the same medium or other processes to a considerable extent. The corrosion of the medium can prevent the optical cable core 4 from being corroded. The copper wire shielding layer 19 is used to uniformly conduct the conductive core and insulate the electric field, thereby preventing the optical cable core 4 from being interfered with.

The above are only preferred embodiments of the present invention. Any person familiar with the art may use the above-described technical solutions to modify the present invention or modify it into equivalent technical solutions. Therefore, any simple modification or equivalent replacement based on the technical solution of the present utility model falls within the scope of protection claimed by the present utility model.

Claims (4)

1. A high-strength glass fiber optical cable reinforcing core, characterized by including: Optical cable (1) used to transmit optical signals and digital signals; A protective component used to increase the strength of the optical cable (1) so that the optical cable can be easily bent and stretched; Fire-proof components used to increase the fire-proof performance and anti-corrosion performance of optical cables (1); The protective component includes a reinforcing core (2), which is arranged in the middle of the optical cable (1). A protective sleeve (2) is evenly arranged in the middle of the optical cable (1) and close to the reinforcing core (2). 3), an optical cable core (4) is provided in the middle of the protective sheath (3), and a filler (9) is provided between the protective sheath (3), the reinforcing core (2) and the optical cable (1). The optical cable (1) includes a wrapping tape (8). The wrapping tape (8) is arranged around the filler (9) and the protective sleeve (3). The side walls of the wrapping tape (8) are fixedly connected with Inner protective sleeve (7), the side wall of the inner protective sleeve (7) is fixedly connected with the fiberglass mesh (6), and the side wall of the glass fiber mesh (6) is fixedly connected with the outer protective sleeve (5). 2. A high-strength glass fiber optical cable reinforcing core according to claim 1, characterized in that: the fireproof component includes a fire-resistant mica tape (13), and the fire-resistant mica tape (13) is arranged on the optical cable core (4) All around, the side walls of the refractory mica tape (13) are fixedly connected to an iron wire protective mesh layer (12), and the side walls of the iron wire protective mesh layer (12) are fixedly connected to an oxygen barrier layer (11). The side wall of the oxygen layer (11) is fixedly connected with a flame retardant sheath (10). 3. A high-strength glass fiber optical cable reinforced core according to claim 2, characterized in that: the optical cable core (4) includes a metal core (15), and the side walls of the metal core (15) are fixedly connected with Low smoke halogen-free sleeve (16), the side wall of the low smoke halogen-free sleeve (16) is fixedly connected with a heat insulation layer (17). 4. A high-strength glass fiber optical cable reinforcing core according to claim 3, characterized in that: the side wall of the heat insulation layer (17) is fixedly connected with an anti-corrosion layer (18), and the anti-corrosion layer (18) A copper wire shielding layer (19) is fixedly connected to the side wall of 18), and a rubber sleeve (14) is fixedly connected to the side wall of the copper wire shielding layer (19).