CN201377759Y

CN201377759Y - Small diameter surface light-emitting optical fiber

Info

Publication number: CN201377759Y
Application number: CN200920079677U
Authority: CN
Inventors: 张海龙; 储九荣; 吴祥君; 张用志; 李凯
Original assignee: SICHUAN HUIYUAN PLASTIC OPTICAL FIBER CO Ltd
Current assignee: SICHUAN HUIYUAN PLASTIC OPTICAL FIBER CO Ltd
Priority date: 2009-03-20
Filing date: 2009-03-20
Publication date: 2010-01-06
Anticipated expiration: 2019-03-20

Abstract

The utility model provides a small diameter surface light-emitting optical fiber, which comprises a fiber core and a cladding covered at the circumference of the fiber core, and is characterized in that core cladding interface defect is arranged between the fiber core and the cladding, and the outside diameter of the optical fiber is 0.75-3.0mm. In the utility model, the flexibility of the surface light-emitting effect is excellent, the production efficiency is high, and the yield is high.

Description

The minor diameter entirely lighting optical fiber

Technical field:

The utility model belongs to optical fibre illumination and decorates the field, and particularly a kind of have the external diameter of entirely lighting visual effect less than 3mm minor diameter entire body optical fiber.

Background technology:

Traditional illumination and decoration, its product is traditional lamp decoration or rainbow, has noise, radiation, fragile, environmental pollution and uneasy congruent problem, along with the raising of The development in society and economy, people's quality of life, these problems is more and more paid close attention to.Need to seek the substitute of safety, easy care and environmental protection thereof.

Existing optical fibre illumination is decorated, or utilizes light to transmit from optical fiber, and the other end ejaculation from optical fiber forms the luminous visual effect of end face, as the end face emissive plastic optical fiber; Utilize light along fiber length scattering equably, light leak, thereby have the effect of entirely lighting, as entirely lighting optical fiber (also being linear light optical fiber, sidelight optical fiber).

Existing entirely lighting optical fiber is divided into single core entirely lighting optical fiber and multicore emitting optical fiber cable, and single core entirely lighting optical fiber is thick core entirely lighting optical fiber, and its external diameter is 3～20mm, and its pliability is relatively poor.Single core entirely lighting optical fiber adopts the continous pouring manufactured, the fibre core monomer is acrylate and methyl acrylic ester, and covering is fluoroplastics Teflon pipe or perfluoroethylene-propylene FEP or tetrafluoroethene-perfluor n-propyl vinyl ether copolymer p FA etc., during manufacturing with reaction monomers acrylate, methacrylate, chain-transferring agent, initator and other additives, after purifying, accurate measurement adds respectively in the blender, stirs after the mixing, directly pours in the cladding; Also can carry out pre-polymerization in blender or in the prepolymerization reactor, reinject in the cladding, can be during can while the can of bleeding, get rid of air and other gas in the mixing material as far as possible, carry out repeatedly repeatedly in the pouring process, good until casing pack, can be after can finishes in the pressurization of cladding two ends, the pressure polymerization of heating then reaction.Therefore this preparation method can't prepare the following entirely lighting optical fiber of external diameter 3.0mm, and production efficiency is not high, yield rate is lower.

The utility model content:

The purpose of this utility model is in order to provide a kind of light along the even lateral emitting of the linear direction of optical fiber, and the pliability of entirely lighting effect is good, production efficiency height, yield rate height, the optical fiber external diameter minor diameter entirely lighting optical fiber below 0.75mm～3.0mm.

The purpose of this utility model is achieved like this:

The utility model minor diameter entirely lighting optical fiber comprises fibre core, be coated on the covering of fibre core periphery, it is characterized in that core bag boundary defect is arranged between fibre core and covering, the optical fiber external diameter is 0.75～3.0mm, core material can adopt modified poly (methyl methacrylate) (PMMA), clad material can adopt fluororesin, load onto layer of transparent PVC sheath at minor diameter entirely lighting optical fiber periphery and just form optical cable, its core bag boundary defect can be in producing optical fiber owing to co-extruding mould core rod inwall defectiveness produces.

The utility model optical fiber surface is smooth transparent, and pliability is good, arbitrarily bending moulding, light is along fiber length light leak even (the entire body effect is even), be the preferred material of making optical fiber pendent lamp and optical fibre art and craft, be widely used in optical fibre illumination and decorate the field, beautify people's lives.In addition, its production is continuous production, has improved production efficiency greatly, and finished product rate height has realized that industrialization produces continuously.

Description of drawings:

Fig. 1 is the utility model minor diameter entirely lighting optical fiber structural representation

Fig. 2 is a minor diameter entirely lighting cable configuration schematic diagram

The optical fiber pendent lamp of Fig. 3 for making of the minor diameter entirely lighting optical fiber

The specific embodiment:

Referring to Fig. 1, present embodiment minor diameter entirely lighting optical fiber comprises fibre core 1, is coated on the covering 2 of fibre core periphery, and core bag boundary defect 3 is arranged between fibre core and covering, and the optical fiber external diameter is 0.75cm.Select core rod, regulate hauling speed, just can produce the minor diameter entirely lighting optical fiber of diameter 0.75mm, when light transmitted in optical fiber, because of core bag boundary defect, light made whole optical fiber surface that the effect of entirely lighting be arranged from the even light leak of optical fiber surface.

As shown in Figure 2, utilizing the minor diameter entirely lighting optical fiber of 3.0mm, is sheath 4 with the transparent PVC plastic flexible pipe, forms minor diameter entirely lighting optical cable.

The utility model can utilize coextruding method to prepare the minor diameter entirely lighting optical fiber, by changing the size and the hauling speed of co-extruding mould, can prepare the minor diameter entirely lighting optical fiber of 0.75～3.0mm.

Minor diameter entirely lighting optical fiber of the present utility model adopts the coextruding method preparation, and its process is as follows:

Preparation process of the present utility model is: utilize two extruders, modified polymethyl methyl esters (core material) that is used to extrude high transparent high index of refraction wherein, another is used to extrude the fluororesin (clad material) of high transparent low refractive index, it is compound to carry out fusion by the defective co-extruding mould of core rod inwall, traction, stretching, cooling form the minor diameter entirely lighting optical fiber.Because co-extruding mould is core rod inwall defectiveness, causes fiber cores bag interface defectiveness, and then light even light leak in the Optical Fiber Transmission process, the minor diameter entirely lighting optical fiber formed.At minor diameter entirely lighting optical fiber exterior jacket layer of transparent PVC restrictive coating, form minor diameter entirely lighting optical cable.

Shown in Figure 3 is that 1.0mm minor diameter entirely lighting optical fiber 5 is used to make the optical fiber pendent lamp, and promptly the entire body effect that is given out by the minor diameter entirely lighting optical fiber is made illumination and decoration, is aided with crystal ball 6 again, and whole pendent lamp overall brightness is improved, and the charm of lamp is more arranged.

Claims

1, the minor diameter entirely lighting optical fiber comprises fibre core, is coated on the covering of fibre core periphery, and it is characterized in that has core bag boundary defect between fibre core and covering, and the optical fiber external diameter is 0.75～3.0mm.