CN211206894U

CN211206894U - High-stability single-mode optical fiber

Info

Publication number: CN211206894U
Application number: CN202020066135.9U
Authority: CN
Inventors: 郭红恩; 李峰; 王超; 李茂林
Original assignee: Shanxi Fengtong Photoelectric Technology Co ltd
Current assignee: Shanxi Fengtong Photoelectric Technology Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-08-07
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses a high stable single mode fiber belongs to optic fibre technical field. A high-stability single-mode optical fiber comprises an outer protective sleeve, wherein a reinforcing steel wire is arranged inside the outer protective sleeve, a reinforcing steel ring is fixedly connected to the outer surface of the reinforcing steel wire, a water-blocking wrapping tape is fixedly connected to the inner wall of the outer protective sleeve, an inner protective sleeve is fixedly connected to the inner wall of the water-blocking wrapping tape, and a reinforcing strip is arranged inside the inner protective sleeve; the utility model discloses, set up reinforcing steel wire and reinforcing steel ring through the inside at outer protective sheath, reinforcing steel wire and reinforcing steel ring form the rigid structure of a tube-shape, the intensity of outer protective sheath has been strengthened effectively, through setting up the enhancement strip, this single mode fiber's bulk strength has further been strengthened, thereby the stability of this optic fibre has been improved, prevent in daily use, the fibre core of optic fibre receives the external force the impaired and disconnected core's condition to appear, the protection nature to the fibre core has been strengthened, the life of this single mode fiber has been improved.

Description

High-stability single-mode optical fiber

Technical Field

The utility model relates to an optical fiber technology field especially relates to a high stable single mode fiber.

Background

The optical fiber is a short-hand writing of optical fiber, is a fiber made of glass or plastic, can be used as a light conduction tool, the principle of optical fiber transmission is total reflection of light, in daily life, because the conduction loss of light in the optical fiber is much lower than the conduction loss of electricity in an electric wire, the optical fiber is used for long-distance information transmission, and the single-mode optical fiber is an optical fiber capable of only transmitting one mode.

The single mode fiber in the prior art has low strength, poor protection performance on the fiber core inside the single mode fiber, is easily damaged by external acting force and bending force in daily use, even breaks the fiber core, and reduces the service life of the fiber.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the protection performance of the fiber core is poor in the prior art, and providing a high-stability single-mode fiber.

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

the utility model provides a high stable single mode fiber, includes outer protective sheath, the inside of outer protective sheath is provided with the enhancement steel wire, the outer fixed surface of strengthening the steel wire is connected with and strengthens the steel ring, the inner wall fixedly connected with band that blocks water of outer protective sheath, the inner wall fixedly connected with inner protective sheath in the band that blocks water, the inside of inner protective sheath is provided with the enhancement strip.

Preferably, a heat dissipation plate is arranged inside the inner protection sleeve, and a fiber core protection sleeve is fixedly connected to the inner wall of the heat dissipation plate.

Preferably, a fiber core is arranged inside the fiber core protective sleeve, a gap is arranged between the fiber core protective sleeve and the fiber core, and the gap is filled with fiber paste.

Preferably, the outer surface of the heat dissipation plate is provided with a plurality of heat dissipation holes, and the plurality of heat dissipation holes are arranged on the outer surface of the heat dissipation plate in a rectangular array mode.

Preferably, a gap is arranged between the inner protective sleeve and the fiber core protective sleeve, the inside of the gap is filled with a flame-retardant filler, and the reinforcing bar is located inside the flame-retardant filler.

Preferably, the number of the reinforcing strips is ten, and ten reinforcing strips are arranged in an annular array inside the flame-retardant filler.

Compared with the prior art, the utility model provides a high stable single mode fiber possesses following beneficial effect:

1. the utility model discloses, set up reinforcing steel wire and reinforcing steel ring through the inside at outer protective sheath, reinforcing steel wire and reinforcing steel ring form the rigid structure of a tube-shape, the intensity of outer protective sheath has been strengthened effectively, through setting up the enhancement strip, this single mode fiber's bulk strength has further been strengthened, thereby the stability of this optic fibre has been improved, prevent in daily use, the fibre core of optic fibre receives the external force the impaired and disconnected core's condition to appear, the protection nature to the fibre core has been strengthened, the life of this single mode fiber has been improved.

2. The utility model discloses, through setting up heating panel and louvre, the produced heat of fibre core when the transmission can in time conduct to the heating panel, and heating panel cooperation louvre is with heat conduction to the outside of outer protective sheath again for inside thermal conduction has reached that the radiating rate is fast, effectual efficiency, avoids the fibre core to reduce because of the higher transmission efficiency that leads to of temperature.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model has the characteristics of strong to fibre core protectiveness.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the heat dissipating plate of the present invention;

FIG. 3 is a schematic structural view of a middle reinforced steel ring of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. an outer protective sheath; 2. reinforcing steel wires; 3. reinforcing the steel ring; 4. a water-blocking wrapping tape; 5. an inner protective sheath; 6. a reinforcing strip; 7. a heat dissipation plate; 8. a fiber core protective sleeve; 9. a fiber core; 10. fiber paste; 11. heat dissipation holes; 12. a flame retardant filler.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a high-stability single-mode optical fiber, comprising an outer protective sleeve 1, a reinforcing steel wire 2 is arranged inside the outer protective sleeve 1, a reinforcing steel ring 3 is fixedly connected to the outer surface of the reinforcing steel wire 2, a water-blocking tape 4 is fixedly connected to the inner wall of the outer protective sleeve 1, an inner protective sleeve 5 is fixedly connected to the inner wall of the water-blocking tape 4, a reinforcing bar 6 is arranged inside the inner protective sleeve 5, the reinforcing steel wire 2 and the reinforcing steel ring 3 are arranged inside the outer protective sleeve 1, the reinforcing steel wire 2 and the reinforcing steel ring 3 form a cylindrical rigid structure, the strength of the outer protective sleeve 1 is effectively enhanced, the overall strength of the single-mode optical fiber is further enhanced by the reinforcing bar 6, so that the stability of the optical fiber is improved, the condition that the fiber core 9 of the optical fiber is damaged and broken by external force in daily use is prevented, and the, the service life of the single-mode optical fiber is prolonged, the heat dissipation plate 7 is arranged inside the inner protection sleeve 5, the fiber core protection sleeve 8 is fixedly connected to the inner wall of the heat dissipation plate 7, the fiber core 9 is arranged inside the fiber core protection sleeve 8, a gap is formed between the fiber core protection sleeve 8 and the fiber core 9, the gap is filled with the fiber paste 10, the fiber paste 10 has two protection functions of preventing moisture invasion and mechanical buffering for the optical fiber, heat dissipation holes 11 are formed in the outer surface of the heat dissipation plate 7, the heat dissipation holes 11 are multiple, the heat dissipation holes 11 are formed in the outer surface of the heat dissipation plate 7 in a rectangular array mode, through the arrangement of the heat dissipation plate 7 and the heat dissipation holes 11, heat generated by the fiber core 9 during transmission can be conducted to the heat dissipation plate 7 in time, the heat dissipation plate 7 is matched with the heat dissipation holes 11 to conduct the, The fiber core protection sleeve has the advantages that the effect is good, the reduction of transmission efficiency caused by high temperature of the fiber core 9 is avoided, a gap is formed between the inner protection sleeve 5 and the fiber core protection sleeve 8, the flame-retardant filler 12 is filled in the gap, the reinforcing strips 6 are located in the flame-retardant filler 12, the flame-retardant filler 12 is filled with flame-retardant polypropylene, the filling ratio is more than 1:3.5, the number of the reinforcing strips 6 is ten, and the ten reinforcing strips 6 are arranged in the flame-retardant filler 12 in an annular array mode.

In the utility model, the reinforcing steel wire 2 and the reinforcing steel ring 3 are arranged in the outer protective sleeve 1, the reinforcing steel wire 2 and the reinforcing steel ring 3 form a cylindrical rigid structure, the strength of the outer protective sleeve 1 is effectively enhanced, the integral strength of the single-mode optical fiber is further enhanced by arranging the reinforcing strip 6, thereby the stability of the optical fiber is improved, the condition that the fiber core 9 of the optical fiber is damaged and broken by external force in daily use is prevented, the protection performance of the fiber core 9 is enhanced, the service life of the single-mode optical fiber is prolonged, through arranging the heat dissipation plate 7 and the heat dissipation holes 11, the heat generated by the fiber core 9 during transmission can be timely conducted to the heat dissipation plate 7, the heat dissipation plate 7 is matched with the heat dissipation holes 11 to conduct the heat to the outside of the outer protective sleeve 1, the conduction of the internal heat is accelerated, the efficiency of high heat dissipation speed and good effect is achieved, the reduction of the transmission efficiency of the fiber core 9 caused by high temperature is avoided.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high stable single mode fiber, includes outer protective sheath (1), its characterized in that, the inside of outer protective sheath (1) is provided with strengthens steel wire (2), the outer fixed surface of strengthening steel wire (2) is connected with and strengthens steel ring (3), the inner wall fixedly connected with of outer protective sheath (1) band (4) that blocks water, the inner wall fixedly connected with inner protective sheath (5) of band (4) that blocks water, the inside of inner protective sheath (5) is provided with strengthens strip (6).

2. The high-stability single-mode optical fiber according to claim 1, wherein a heat dissipation plate (7) is arranged inside the inner protective sleeve (5), and a fiber core protective sleeve (8) is fixedly connected to the inner wall of the heat dissipation plate (7).

3. A highly stable single mode optical fiber according to claim 2, wherein the core (9) is disposed inside the core protective sheath (8), and a gap is disposed between the core protective sheath (8) and the core (9), and the gap is filled with a fiber paste (10).

4. The single mode optical fiber of claim 2, wherein the heat dissipation holes (11) are formed in the outer surface of the heat dissipation plate (7), the number of the heat dissipation holes (11) is several, and the several heat dissipation holes (11) are formed in the outer surface of the heat dissipation plate (7) in a rectangular array.

5. A highly stable single mode optical fiber according to claim 2, wherein a gap is provided between the inner protective sheath (5) and the core protective sheath (8), the gap is filled with a flame retardant filler (12), and the reinforcing strip (6) is located inside the flame retardant filler (12).

6. A highly stable single mode optical fiber according to claim 5, wherein the number of said reinforcing strips (6) is ten, ten of said reinforcing strips (6) being arranged in an annular array inside the flame retardant filler (12).