CN216622782U

CN216622782U - High-temperature-resistant optical fiber

Info

Publication number: CN216622782U
Application number: CN202122271170.1U
Authority: CN
Inventors: 邱国全
Original assignee: Individual
Current assignee: Chongqing Quancheng Industrial Co.,Ltd.
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-05-27
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a high-temperature-resistant optical fiber, which comprises a plurality of optical fiber tubes, wherein a plurality of optical fiber core bodies are arranged in the optical fiber tubes, a compression expansion layer is arranged outside the optical fiber tubes, an annular frame is arranged in the compression expansion layer and is positioned among the optical fiber tubes, a plurality of T-shaped connecting frames are fixedly arranged on one side of the annular frame, the high-temperature resistant optical fiber is provided with the annular frame and the T-shaped connecting frame which can play a role in connecting stability, thereby avoiding the problems that the optical fiber cable core body is deviated in the using process of the flat cable and is not beneficial to installation, be equipped with fire-retardant layer in the outside of buffer layer, fire-retardant layer brominated polystyrene material, brominated polystyrene material is a bromine organic flame retardant, has good mechanical physics and chemical properties such as high flame retardance, thermal stability and light stability to play high temperature resistance effect, the outside on fire-retardant layer is equipped with the flame retardant coating.

Description

High-temperature-resistant optical fiber

Technical Field

The utility model relates to the technical field of optical fibers, in particular to a high-temperature-resistant optical fiber.

Background

The optical fiber is a fiber made of glass or plastic, and is also a light conduction tool utilizing the principle of total internal reflection of light transmitted in the fibers, a transmitting device at one end of the optical fiber sends light pulses into the optical fiber by using a light emitting diode or a laser beam, and a receiving device at the other end of the optical fiber detects the pulses by using a photosensitive component.

The existing optical fiber is poor in fire resistance, meanwhile, the optical fiber is installed in the installation process, an operator can pull the optical fiber, the optical fiber protective layer can be worn and abraded in the pulling process, the optical fiber protective layer is not wear-resistant, the tensile degree is good, the optical fiber is easy to break, the optical fiber is unsafe to use, meanwhile, in summer and winter, due to expansion with heat and contraction with cold, the optical fiber is not provided with a movable space, the protective layer of the package can be damaged, and therefore a novel high-temperature-resistant optical fiber is needed to meet requirements.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies of the prior art, the present invention provides a high temperature resistant optical fiber to solve the above problems.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a high temperature resistant optic fibre, includes a plurality of fiber tubes, all install a plurality of fiber core bodies in a plurality of fiber tubes, a plurality of fiber tubes are equipped with the compression expansion layer outward, install the annular frame in the compression expansion layer, and the annular frame lies in between a plurality of fiber tubes, and one side fixed mounting of annular frame has a plurality of T type links, and a plurality of T type links are connected with a plurality of fiber tubes respectively, be equipped with filling layer and a plurality of tensile cord between compression expansion layer and a plurality of fiber tubes, the outside on compression expansion layer is equipped with the buffer layer, and the outside of buffer layer is equipped with fire-retardant layer, and the outside on fire-retardant layer is equipped with the flame retardant coating.

Preferably, a compression cavity is arranged on the compression expansion layer, a plurality of first oblique elastic support plates and a plurality of second oblique elastic support plates are arranged in the compression cavity, and the plurality of first oblique elastic support plates and the plurality of second oblique elastic support plates are arranged in a staggered mode.

Preferably, the filling layer is alkali-free glass fiber, and the buffer layer is made of elastic rubber material.

Preferably, the flame-retardant layer is made of brominated polystyrene, and the flame-retardant layer is made of polyvinyl chloride.

Preferably, a plurality of wear-resisting sand grips are installed to the outside of flame retardant coating, and a plurality of wear-resisting sand grips are equidistant interval setting.

Preferably, the number of the optical fiber tubes is seven, six T-shaped connecting frames are arranged, one optical fiber tube is located in the annular frame, and the other six optical fiber tubes are respectively connected with the six T-shaped connecting frames.

Compared with the prior art, the utility model has the beneficial effects that: the high-temperature resistant optical fiber is characterized in that a plurality of optical fiber core bodies are arranged in each optical fiber tube, one optical fiber tube is arranged in an annular frame, the other six optical fiber tubes are distributed on the outer side and are respectively connected with six T-shaped connecting frames, the arranged annular frame and the T-shaped connecting frames can play a role in connection stability, so that the problem that the optical fiber core bodies are not beneficial to installation due to deflection in the using process of a flat cable can be solved, seven optical fiber tubes are wrapped by a compression expansion layer, a filling layer is arranged in the wrapping, a tensile wire is arranged in the filling layer and is made of nylon ropes, the filling layer has strong tensile capacity and is alkali-free glass fiber and has the characteristics of chemical stability and electrical insulation performance, a plurality of first oblique elastic supporting plates and a plurality of second oblique elastic supporting plates are arranged in the compression expansion layer, and are arranged in a staggered mode, after the device is arranged, a triangular space can be formed between the two, so that the device has strong supporting performance and is convenient to compress.

When expend with heat and contract with cold, provide a mobilizable space for a plurality of optic fibre sinle silk bodies, the outside on compression expansion layer is equipped with the buffer layer, the buffer layer is elastic rubber material, can have buffer performance, when receiving the impact, can protect inside optic fibre sinle silk body, be equipped with fire-retardant layer in the outside of buffer layer, fire-retardant layer brominated polystyrene material, brominated polystyrene material is a bromine organic flame retardant, high flame retardance has, good mechano-physics and chemical properties such as thermal stability and light stability, thereby play high temperature resistance's effect, fire-retardant layer's the outside is equipped with the flame retardant coating, the flame retardant coating is the polyvinyl chloride material, be equipped with a plurality of wear-resisting sand grips in the outside of flame retardant coating, when dragging the cable, there is the protection of wear-resisting sand grip, inside optic fibre sinle silk body is difficult for receiving the damage.

Drawings

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

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

FIG. 3 is a schematic cross-sectional view of a compression-expansion layer according to the present invention;

FIG. 4 is a perspective view of the ring frame according to the present invention.

In the figure: 1. an optical fiber tube; 2. an optical fiber core body; 3. an annular frame; 4. a T-shaped connecting frame; 5. a tensile wire; 6. a filling layer; 7. a compressive expansion layer; 8. a buffer layer; 9. a flame retardant layer; 10. a refractory layer; 11. wear-resistant convex strips; 12. a compression chamber; 13. a first oblique elastic support plate; 14. a second oblique elastic support plate.

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.

Example (b): referring to fig. 1-4, a high temperature resistant optical fiber includes a plurality of optical fiber tubes 1, a plurality of optical fiber core bodies 2 are installed in each of the plurality of optical fiber tubes 1, a compression expansion layer 7 is installed outside each of the plurality of optical fiber tubes 1, an annular frame 3 is installed in the compression expansion layer 7, the annular frame 3 is located between the plurality of optical fiber tubes 1, a plurality of T-shaped connection frames 4 are fixedly installed at one side of the annular frame 3, the plurality of T-shaped connection frames 4 are respectively connected with the plurality of optical fiber tubes 1, a filling layer 6 and a plurality of tensile wires 5 are installed between the compression expansion layer 7 and the plurality of optical fiber tubes 1, a buffer layer 8 is installed outside the compression expansion layer 7, a flame retardant layer 9 is installed outside the flame retardant layer 9, a compression chamber 12 is installed on the compression expansion layer 7, a plurality of first oblique elastic support plates 13 and a plurality of second oblique elastic support plates 14 are installed in the compression chamber 12, the plurality of first oblique elastic support plates 13 and the plurality of second oblique elastic support plates 14 are arranged in a staggered manner, the first oblique elastic support plates 13 and the second oblique elastic support plates 14 are arranged in a staggered manner, and after the arrangement, a triangular space can be formed between the first oblique elastic support plates and the second oblique elastic support plates, so that the optical fiber core bodies have strong supporting performance and are convenient to compress, a movable space is provided for the optical fiber core bodies 2 during thermal expansion and cold contraction, the filling layer 6 is made of alkali-free glass fiber, the buffer layer 8 is made of elastic rubber material, the alkali-free glass fiber has the characteristics of chemical stability and electrical insulating performance, the flame-retardant layer 9 is made of brominated polystyrene, the flame-retardant layer 10 is made of polyvinyl chloride, the brominated polystyrene is a brominated organic flame retardant, and has good mechanical physical and chemical properties such as high flame retardance, thermal stability and light stability, the plurality of wear-resistant convex strips 11 are arranged on the outer side of the flame-retardant layer 10 at equal intervals, the plurality of wear-resistant convex strips 11 are arranged on the outer side of the flame-retardant layer 10, when dragging the cable, there is the protection of wear-resisting sand grip 11, inside fiber core body 2 is difficult for receiving the damage, fiber tube 1 is provided with seven, T type link 4 sets up six, fiber tube 1 is located annular frame 3, all the other six are connected with six T type link 4 respectively and are provided with seven a plurality of fiber tube 1, all install a plurality of fiber core bodies 2 in every fiber tube 1, fiber tube 1 is installed in annular frame 3, all the other six distribute in the outside, and be connected with six T type link 4 respectively, annular frame 3 and the T type link 4 of setting, can play a connection stability's effect, thereby can avoid fiber core body 2 to take place the skew in the winding displacement use, be unfavorable for the problem of installation.

When in use: the cable is provided with seven optical fiber tubes 1, a plurality of optical fiber core bodies 2 are arranged in each optical fiber tube 1, one optical fiber tube 1 is arranged in an annular frame 3, the other six optical fiber tubes are distributed on the outer side and are respectively connected with six T-shaped connecting frames 4, the annular frame 3 and the T-shaped connecting frames 4 which are arranged can play a role in connection stability, so that the problem that the optical fiber core bodies 2 are not beneficial to installation due to deflection in the cable using process can be avoided, the annular frame 3 is arranged at intervals, the seven optical fiber tubes 1 are wrapped by a compression expansion layer 7, a filling layer 6 is arranged in the wrapping, an anti-pulling wire 5 is arranged in the filling layer 6, the anti-pulling wire 5 is made of nylon rope and has strong anti-pulling capacity, the filling layer 6 is alkali-free glass fiber and has the characteristics of chemical stability and electrical insulation performance, a plurality of first oblique elastic support plates 13 and a plurality of second oblique elastic support plates 14 are arranged in the compression expansion layer 7, the first oblique elastic support plates 13 and the second oblique elastic support plates 14 are arranged in a staggered manner, and after the arrangement, a triangular space can be formed between the first oblique elastic support plates and the second oblique elastic support plates, so that the optical fiber core bodies have strong supporting performance and are convenient to compress, a movable space is provided for the optical fiber core bodies 2 during expansion with heat and contraction with cold, the outer side of the compression expansion layer 7 is provided with the buffer layer 8, the buffer layer 8 is made of elastic rubber materials and can have buffering performance, the inner optical fiber core bodies 2 can be protected when the optical fiber core bodies are impacted, the outer side of the buffer layer 8 is provided with the flame retardant layer 9, the flame retardant layer 9 is made of brominated polystyrene, the brominated polystyrene is a brominated organic flame retardant, and has high flame retardance, thermal stability, light stability and other good mechanical physical and chemical properties, the outer side of the flame retardant layer 9 is provided with the flame retardant layer 10, and the flame retardant layer 10 is made of polyvinyl chloride, be equipped with a plurality of wear-resisting sand grips 11 in the outside of flame retardant coating 10, when dragging the cable, have wear-resisting sand grip 11's protection, inside optical fiber core body 2 is difficult for receiving the damage.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A high-temperature-resistant optical fiber comprises a plurality of optical fiber tubes (1) and is characterized in that a plurality of optical fiber core bodies (2) are installed in the optical fiber tubes (1), a compression expansion layer (7) is arranged outside the optical fiber tubes (1), an annular frame (3) is installed in the compression expansion layer (7), the annular frame (3) is located among the optical fiber tubes (1), a plurality of T-shaped connecting frames (4) are fixedly installed on one side of the annular frame (3), the T-shaped connecting frames (4) are respectively connected with the optical fiber tubes (1), a filling layer (6) and a plurality of tensile wires (5) are arranged between the compression expansion layer (7) and the plurality of optical fiber tubes (1), the outer side of the compression expansion layer (7) is provided with a buffer layer (8), the outer side of the buffer layer (8) is provided with a flame-retardant layer (9), and the outer side of the flame-retardant layer (9) is provided with a flame-retardant layer (10).

2. A high-temperature-resistant optical fiber according to claim 1, wherein the compression expansion layer (7) is provided with a compression chamber (12), a plurality of first oblique elastic support plates (13) and a plurality of second oblique elastic support plates (14) are provided in the compression chamber (12), and the plurality of first oblique elastic support plates (13) and the plurality of second oblique elastic support plates (14) are arranged in a staggered manner.

3. A high temperature resistant optical fiber according to claim 1, wherein said filler layer (6) is an alkali-free glass fiber and said buffer layer (8) is an elastomeric rubber material.

4. A high temperature resistant optical fiber according to claim 1, wherein said flame retardant layer (9) is brominated polystyrene and said flame retardant layer (10) is polyvinyl chloride.

5. The high-temperature-resistant optical fiber according to claim 1, wherein a plurality of wear-resistant ribs (11) are mounted on the outer side of the flame retardant layer (10), and the plurality of wear-resistant ribs (11) are arranged at equal intervals.

6. A high temperature resistant optical fiber according to claim 1, wherein the optical fiber tube (1) is provided with seven, the T-shaped connection frames (4) are provided with six, one optical fiber tube (1) is located in the annular frame (3), and the other six optical fiber tubes are respectively connected with six T-shaped connection frames (4).