CN212083763U

CN212083763U - Low-attenuation high-temperature-resistant optical fiber

Info

Publication number: CN212083763U
Application number: CN202021053192.XU
Authority: CN
Inventors: 杨文文
Original assignee: Wuhan Micro Sensor Technology Co ltd
Current assignee: Wuhan Micro Sensor Technology Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-12-04
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a low-attenuation high-temperature-resistant optical fiber, which comprises a core layer and a cladding layer, wherein the cladding layer is coated outside the core layer, the outer surface of the cladding layer is respectively provided with a modified silicon rubber coating layer and a fluorocarbon coating layer from inside to outside, the outer surface of the fluorocarbon coating layer is fixedly connected with a protective component, the outer part of the fluorocarbon coating layer is compounded with a heat dissipation component, the protective component and the heat dissipation component are respectively a plurality of, and are alternatively distributed on the outer surface of the fluorocarbon coating layer in an equidistance way, the utility model has the advantages that the tensile strength of the modified silicon rubber coating layer is higher, the fracture elongation is higher, the adaptability to the expansion or the fracture deformation of a base layer is stronger, the good buffer performance can be achieved, the cladding layer and the core layer can be effectively protected, the mechanical performance is improved, the high temperature resistance of fluorocarbon coating layer is good, and cooperation radiator unit uses, reduces thermal piling up, improves the result of use.

Description

Low-attenuation high-temperature-resistant optical fiber

Technical Field

The utility model relates to an optical fiber technology field specifically is a low decay high temperature resistant optic fibre.

Background

Optical fibers are short for optical fibers, and are fibers made of glass or plastic that can be used as a light conducting means. The principle of transmission is "total reflection of light". The fine optical fiber is enclosed in a plastic sheath so that it can be bent without breaking. Generally, a Light Emitting Diode (LED) or a laser beam is used as a transmitter at one end of the optical fiber to transmit an optical pulse to the optical fiber, and a photosensor is used as a receiver at the other end of the optical fiber to detect the pulse.

In daily life, optical fibers are used for long distance information transmission because the loss of light transmitted through optical fibers is much lower than the loss of electricity transmitted through electric wires. In general, the terms optical fiber and optical cable are to be confused. Most optical fibers must be covered by several layers of protective structures before use, and the covered cables are referred to as fiber optic cables. The protective layer and the insulating layer on the outer layer of the optical fiber can prevent the surrounding environment from damaging the optical fiber, such as water, fire, electric shock and the like.

However, the existing optical fiber has the following disadvantages:

1. the main factors responsible for fiber attenuation are: intrinsic, bending, extrusion, impurities, unevenness, butt joint and the like, and the optical fiber in the current market has poor compression resistance, is easy to cause optical fiber attenuation and reduces the using effect.

2. The optical fiber is applied to different environments, when the optical fiber works in a high-temperature environment, the working performance of the optical fiber is influenced, and the self heat dissipation effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low decay is high temperature resistant optic fibre to solve current optic fibre in the above-mentioned background art when using, the main factor that causes the optic fibre decay has: intrinsic, bending, extrusion, impurities, unevenness, butt joint and the like, the optical fiber in the current market has poor compression resistance, the optical fiber is easy to attenuate, and the use effect is reduced; the optical fiber is applied to different environments, when the optical fiber works in a high-temperature environment, the working performance of the optical fiber is influenced, and the self heat dissipation effect is not good.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low decay is high temperature resistant optic fibre, includes sandwich layer and covering, the outside cladding of sandwich layer has the covering, the covering surface is from interior to being equipped with modified silicon rubber coating and fluorocarbon coating respectively outward, fluorocarbon coating surface fixed connection has protection component, fluorocarbon coating outside complex has radiator unit, protection component with radiator unit is a plurality of, and is equidistance alternate distribution at fluorocarbon coating surface.

Preferably, the modified silicon rubber coating layer is coated outside the cladding, the fluorocarbon coating layer is coated outside the modified silicon rubber coating layer, the tensile strength of the modified silicon rubber coating layer is higher, the breaking elongation is larger, the coating has strong adaptability to the expansion or cracking deformation of the base layer, can play a good role in buffering, can effectively protect the cladding layer and the core layer, improve the mechanical property of the cladding layer and the core layer, optimizes the transmission characteristic of the optical fiber, and the fluorocarbon coating layer is a coating which takes fluororesin as a main film forming substance, also known as fluorocarbon paint, fluorine paint, fluororesin paint and the like, among various coatings, the fluororesin coating has various particularly superior performances, weather resistance, heat resistance, low temperature resistance, chemical resistance, unique non-adhesiveness and low friction, and good high temperature resistance effect due to the introduction of fluorine elements with large electronegativity and strong carbon-fluorine bond energy.

Preferably, the protection component includes ceramic rubber ring, rubber circle, cavity, elastic ball and bump cushion respectively, and the protection component carries out physics anticollision and resistance to compression protection to the optic fibre outside, and when external impact force, the bump cushion on rubber circle surface at first slows down the impact force, and the inside elastic ball of cooperation cavity takes place to deform, and dual impact force that slows down has fine resistance to compression protection performance, just has lower decay when optic fibre uses.

Preferably, the outside complex of ceramic rubber ring has the rubber circle, the inside cavity of having seted up of rubber circle, the inside swing joint elastic ball of cavity, rubber circle surface integrated into one piece has the bump cushion, the bump cushion is a plurality of, a plurality of bump cushion equipartition is at rubber circle surface, and protection component carries out physics anticollision and resistance to compression protection to the optic fibre outside, and when external impact force, the bump cushion on rubber circle surface at first slows down the impact force, and the inside elastic ball of cooperation cavity takes place deformation, and dual impact force that slows down has fine resistance to compression protection performance, just has lower decay when optic fibre uses.

Preferably, radiator unit includes graphite alkene coating and graphite alkene boss respectively, and graphite alkene material self has fine heat dispersion, and the complex is outside at optic fibre, can heat conduction heat dissipation fast, reduces thermal piling up, improves the result of use.

Preferably, the surface of the graphene coating is compounded with a graphene boss, the graphene boss is horizontally arranged, the graphene material has good heat dissipation performance, and the graphene coating is compounded outside an optical fiber, so that heat conduction and heat dissipation can be rapidly realized, heat accumulation is reduced, and the using effect is improved.

The utility model provides a low decay is high temperature resistant optic fibre possesses following beneficial effect:

(1) the utility model discloses a through modified silicon rubber coating tensile strength higher, the fracture elongation is great, and is stronger to the flexible adaptability that perhaps ftracture warp of basic unit, can play fine shock-absorbing capacity, can effectual protection covering and sandwich layer, improve its mechanical properties, optimized the transmission characteristic of optic fibre, protection component has fine compressive property, reduces the decay of optic fibre.

(2) The utility model discloses fluorocarbon coat uses fluororesin as the coating of main film forming material, also known as fluorocarbon paint, fluorine coating, fluororesin coating etc. among various coatings, fluororesin coating is because the fluorine element electronegativity of introducing is big, and carbon fluorine bond can be strong, has each item performance of superior in particular, weatherability, heat resistance, low temperature resistance, chemical resistance, and unique inadhesion and low friction nature have, high temperature resistance can be good, cooperation radiator unit uses, reduce thermal piling up, improve the result of use.

Drawings

Fig. 1 is a schematic view of the overall structure of a low-attenuation high-temperature resistant optical fiber according to the present invention;

fig. 2 is a schematic structural view of a low attenuation and high temperature resistant optical fiber protection assembly of the present invention;

fig. 3 is a schematic structural diagram of a low-attenuation high-temperature resistant optical fiber heat dissipation assembly of the present invention.

In the figure: 1. a core layer; 2. a cladding layer; 3. a modified silicone rubber coating layer; 4. a fluorocarbon coating layer; 5. a guard assembly; 501. a ceramic rubber ring; 502. a rubber ring; 503. a concave cavity; 504. an elastic ball; 505. bump rubber mats; 6. a heat dissipating component; 601. a graphene coating; 602. graphite alkene boss.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a low decay is high temperature resistant optic fibre, includes sandwich layer 1 and covering 2, 1 outside cladding of sandwich layer has covering 2, 2 surfaces of covering are equipped with modified silicon rubber coating 3 and fluorocarbon coating 4 respectively from inside to outside, 4 outer fixed surface in fluorocarbon coating are connected with

protection component

5, 4 outside complex in fluorocarbon coating have radiator unit 6, protection component 5 with radiator unit 6 is a plurality of, and is equidistance alternate distribution at 4 surfaces in fluorocarbon coating.

The modified silicon rubber coating layer 3 is coated outside the cladding layer 2, the fluorocarbon coating layer 4 is coated outside the modified silicon rubber coating layer 3, the modified silicon rubber coating layer 3 has higher tensile strength and larger elongation at break, the coating has strong adaptability to the expansion or cracking deformation of the base layer, can play a good role in buffering, can effectively protect the cladding layer and the core layer, improve the mechanical property of the cladding layer and the core layer, optimizes the transmission characteristic of the optical fiber, and the fluorocarbon coating layer 4 is a coating which takes fluororesin as a main film forming substance, also known as fluorocarbon paint, fluorine coating, fluororesin coating and the like, among various coatings, the fluororesin coating has various particularly superior performances, weather resistance, heat resistance, low temperature resistance, chemical resistance, unique non-adhesiveness and low friction, and good high temperature resistance effect due to the introduction of fluorine elements with large electronegativity and strong carbon-fluorine bond energy.

Protection component 5 includes ceramic rubber ring 501, rubber circle 502, cavity 503, elastic ball 504 and bump cushion 505 respectively, and protection component 5 carries out physics anticollision and resistance to compression protection to the optic fibre outside, and when external impact force, the bump cushion 505 on rubber circle 502 surface at first slows down the impact force, and the inside elastic ball 504 of cooperation cavity 503 takes place deformation, and the dual impact force that slows down has fine resistance to compression protection performance, just has lower decay when optic fibre uses.

The outside complex of ceramic rubber ring 501 has rubber circle 502, the inside cavity 503 of having seted up of rubber circle 502, the inside swing joint elastic ball 504 of cavity 503, rubber circle 502 surface integrated into one piece has bump cushion 505, bump cushion 505 is a plurality of, a plurality of bump cushion 505 equipartition is at rubber circle 502 surface, and protection component 5 carries out physics anticollision and compression resistance protection to the optical fiber outside, and when external impact force, the bump cushion 505 on rubber circle 502 surface at first slows down the impact force, and the inside elastic ball 504 of cooperation cavity 503 takes place the deformation, and dual impact force that slows down has fine compression resistance protective properties, just has lower decay when optic fibre uses.

The heat dissipation assembly 6 comprises a graphene coating 601 and a graphene boss 602 respectively, the graphene material has good heat dissipation performance, and the graphene material is compounded outside the optical fiber, so that heat conduction and heat dissipation can be realized quickly, heat accumulation is reduced, and the using effect is improved.

Graphene coating 601 surface recombination has graphite alkene boss 602, and graphite alkene boss 602 is the level setting, and graphite alkene material self has fine heat dispersion, and the complex is outside at optic fibre, can heat conduction heat dissipation fast, reduces thermal piling up, improves the result of use.

It should be noted that, when the low-attenuation high-temperature resistant optical fiber works, the outer surface OF the cladding 2 is respectively provided with a modified silicone rubber coating layer 3 and a fluorocarbon coating layer 4 from inside to outside, the modified silicone rubber coating layer 3 is coated outside the cladding 2, the fluorocarbon coating layer 4 is coated outside the modified silicone rubber coating layer 3, the modified silicone rubber coating layer 3 is organic silicon modified rubber OF-182, after being cured, the elastic modulus is 2.0Mpa, the working environment temperature range is-70-280 ℃, the tensile strength is higher, the elongation at break is higher, the adaptability to the expansion or cracking deformation OF the base layer is stronger, the optical fiber can play a good role in buffering performance, the cladding layer and the core layer can be effectively protected, the mechanical performance is improved, and the transmission characteristic OF the optical fiber is optimized, at present, the widely applied fluororesin coating mainly comprises three types OF PTFE, PVDF, PEVE and, the fluorocarbon coating layer 4 can be PTFE, PVDF or PEVE, the fluorocarbon coating layer 4 is a coating which takes fluororesin as a main film forming substance, also called fluorocarbon paint, fluorine coating, fluororesin coating and the like, and among various coatings, the fluororesin coating has strong carbon-fluorine bond energy due to large electronegativity of introduced fluorine elements, has particularly excellent performances, such as weather resistance, heat resistance, low temperature resistance and chemical resistance, has unique non-adhesiveness and low friction, and has good high temperature resistance effect; the outer surface of the fluorocarbon coating layer 4 is fixedly connected with a protection component 5, the protection component 5 respectively comprises a ceramic rubber ring 501, a rubber ring 502, a concave cavity 503, an elastic ball 504 and a convex point rubber pad 505, the protection component 5 performs physical anti-collision and anti-compression protection on the outside of the optical fiber, when external impact force exists, the ceramic rubber ring 501 is a circular ring made of ceramic materials, the rubber material is bonded in the circular ring, the convex point rubber pad 505 on the surface of the rubber ring 502 firstly slows down the impact force, and is matched with the elastic ball 504 in the concave cavity 503 to deform, so that the impact force is slowed down doubly, the optical fiber has good anti-compression protection performance, and lower attenuation is generated; the outside complex of fluorocarbon coating 4 has radiator unit 6, and radiator unit 6 includes graphite alkene coating 601 and graphite alkene boss 602 respectively, and graphite alkene material self has fine heat dispersion, and the complex is outside at optic fibre, can heat conduction heat dissipation fast, reduces thermal piling up, improves the result of use.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A low attenuation high temperature resistant optical fiber, comprising a core layer (1) and a cladding layer (2), the core layer (1) being externally clad with the cladding layer (2), characterized in that: the outer surface of the cladding (2) is respectively provided with a modified silicon rubber coating (3) and a fluorocarbon coating (4) from inside to outside, the outer surface of the fluorocarbon coating (4) is fixedly connected with a protective component (5), the outer part of the fluorocarbon coating (4) is compounded with a heat dissipation component (6), the protective component (5) and the heat dissipation component (6) are both a plurality of and are alternately distributed on the outer surface of the fluorocarbon coating (4) at equal intervals.

2. A low attenuation, high temperature resistant optical fiber according to claim 1, wherein: the modified silicon rubber coating layer (3) is coated outside the cladding layer (2), and the fluorocarbon coating layer (4) is coated outside the modified silicon rubber coating layer (3).

3. A low attenuation, high temperature resistant optical fiber according to claim 1, wherein: the protection component (5) comprises a ceramic rubber ring (501), a rubber ring (502), a concave cavity (503), an elastic ball (504) and a salient point rubber pad (505).

4. A low attenuation, high temperature resistant optical fiber according to claim 3, wherein: pottery rubber ring (501) outside complex has rubber circle (502), cavity (503) have been seted up to rubber circle (502) inside, cavity (503) inside swing joint elastic ball (504), rubber circle (502) surface integrated into one piece has bump cushion (505), bump cushion (505) are a plurality of, a plurality of bump cushion (505) equipartition is at rubber circle (502) surface.

5. A low attenuation, high temperature resistant optical fiber according to claim 1, wherein: the heat dissipation assembly (6) comprises a graphene coating (601) and a graphene boss (602).

6. The low attenuation, high temperature resistant optical fiber of claim 5, wherein: graphene bosses (602) are compounded on the surface of the graphene coating (601), and the graphene bosses (602) are horizontally arranged.