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Optical fiber coloring and curing equipment

A technology of curing equipment and optical fibers, applied in the field of high-efficiency curing equipment, can solve the problems of uneven light reception at the gap, affecting the curing quality of coatings, and low utilization rate of mercury lamp energy, achieving good curing uniformity and solving the problem of separation. , the effect of reducing curing time

Active Publication Date: 2017-12-29
YANGTZE OPTICAL FIBRE & CABLE CO LTD
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  • Application Information

AI Technical Summary

Problems solved by technology

Mercury lamps have the disadvantage of requiring considerable power to produce UV radiation of sufficient intensity
For example, curing a single-coated fiber (such as polymer coating) may require a total power consumption of 50kW
Another disadvantage of mercury lamps is that a large amount of energy used to light mercury lamps is emitted as heat instead of ultraviolet rays, which means that mercury lamps have a relatively low energy utilization rate
Among them, the UVLED light source modules are arranged at intervals along the inner cavity of the cylindrical mounting base, and the light source units are arranged in an array along the axial direction. This arrangement will lead to uneven light received in the gaps between the adjacent UVLED light source modules in the circumferential direction, thus affecting the coating. curing quality

Method used

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  • Optical fiber coloring and curing equipment
  • Optical fiber coloring and curing equipment
  • Optical fiber coloring and curing equipment

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with accompanying drawing.

[0024] Such as Figure 1-4 As shown, this embodiment provides a kind of optical fiber coloring and curing equipment, which includes a cylindrical mounting base 6, a UVLED light source module is installed in the inner cavity of the cylindrical mounting base along the circumferential and axial directions, and the The inner cavity is divided into 6 layers of UVLED light source modules along the axial direction, and each layer has 6 UVLED light source modules. The UVLED light source modules installed along the axial direction are arranged at a staggered angle of 20°. The UVLED light source modules include heat dissipation bases 5. The UVLED light source 4 and the cylindrical focusing lens 3, wherein the focusing lens 3 is arranged on the heat dissipation base 5 and is located in front of the UVLED light source 4. The UV light source wavelengths of the UVLED light source 4 are 3...

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Abstract

The invention discloses an optical fiber coloring and curing device, which comprises a cylindrical installation base, a UVLED light source module is installed in the inner cavity of the cylindrical installation base along the circumferential direction and the axial direction, and a cylindrical focusing lens is arranged in front of the UVLED light source module. , so that the ultraviolet light emitted by the UVLED light source module is focused on a curing axis, and it is characterized in that the UVLED light source modules installed up and down along the axial direction are staggered along the circumferential direction, and corresponding columns are arranged in front of each UVLED light source module. face focusing lens. The present invention staggers the adjacent groups of UVLED light source modules arranged in the axial direction, so that the surface of the optical fiber receives light more uniformly, so that the equipment has higher curing efficiency and better curing uniformity, thereby reducing curing time and improving fiber drawing. Ergonomics and coating curing quality.

Description

technical field [0001] The invention relates to a device for efficiently curing the coating layer of a high-speed drawn optical fiber, and belongs to the technical field of optical fiber manufacturing equipment. Background technique [0002] The outside of the optical fiber usually has one or several layers of coating as its protective layer. In a typical optical fiber drawing process, when the preform is melted and drawn into a bare optical fiber, two or more layers of coatings need to be coated on-line. Usually a relatively soft inner coating prevents microscopic bending of the fiber, and a relatively hard outer coating provides additional protection and better handling of the fiber. These organic polymer coatings can be cured onto the fiber surface by heating (thermal curing) or ultraviolet light irradiation (UV curing). Ultraviolet (UV) curing of optical fiber coating refers to the use of ultraviolet rays to trigger rapid polymerization and crosslinking of liquid coati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C25/10C03C25/24
Inventor 高莹余学运卢松涛黄财明万秀强吴杰马军
Owner YANGTZE OPTICAL FIBRE & CABLE CO LTD
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