Optical fiber coloring and curing apparatus

Abstract

The present application relates to a kind of optical fiber coloring curing device, including installation cylinder, light-reflecting part and multiple light sources;Multiple installation sites are arranged in installation cylinder, each installation site is used to install optical fiber;Light-reflecting part is located at the outside of installation cylinder, and multiple light-reflecting surfaces are arranged corresponding to multiple installation sites, and each light-reflecting surface is provided with an installation site on the reflection path, multiple light sources are located at the outside of installation cylinder, and corresponding to multiple installation sites and multiple light-reflecting surfaces, the optical axis of each light source is directed to corresponding installation site, wherein, each light source and corresponding light-reflecting surface are located at the opposite sides of corresponding installation site, and the light emitted by it can be shot to corresponding light-reflecting surface.This scheme can ensure the irradiation intensity of optical fiber, improve the utilization efficiency of light source, save energy consumption;And multiple optical fibers can be cured simultaneously, improve production efficiency, and the number of light sources required by each optical fiber is reduced, save cost.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of optical fiber coloring, and particularly relates to an optical fiber coloring and curing device. BACKGROUND

[0002] Traditional electric wires have adopted color codes to identify their positions in cables, so that the wires can be connected correctly without any mistake. Optical fibers also need the same identification method. In practical applications, some optical fibers are installed without access to both ends, which makes it more difficult to find and identify the optical fibers. The optical fibers cannot be connected to electrical equipment for testing, so the optical fibers can be distinguished by coloring. The color codes for identifying optical fibers are more stringent than those for electric wires. Specifically, optical fiber coloring is to uniformly coat ink on the surface of optical fibers by using a coloring machine, so that the optical fibers have different color codes. The relatively hard coloring coating can provide additional protection and better operability for the optical fibers. The coloring coating is generally cured by ultraviolet irradiation.

[0003] For example, patent CN 112371462 A discloses an air-cooled optical fiber coloring device. Three UV lamps are arranged along the length direction of the box body to uniformly irradiate the optical fibers arranged in the quartz tube, so as to obtain a better coloring coating. However, since multiple UV lamps are required for curing one optical fiber, the light source utilization efficiency is low, and the energy consumption is increased. SUMMARY

[0004] Therefore, it is necessary to provide an optical fiber coloring and curing device to solve the technical problem that in the prior art, multiple light source modules are required for curing one optical fiber, the light source utilization efficiency is low, and the energy consumption is increased.

[0005] The present application provides an optical fiber coloring and curing device, which comprises:

[0006] a mounting cylinder, a plurality of mounting positions are arranged in the mounting cylinder at intervals, and each mounting position is used to mount an optical fiber;

[0007] a reflecting part, which is arranged on the outside of the mounting cylinder and has a plurality of reflecting surfaces corresponding to the plurality of mounting positions, and each reflecting surface has one mounting position in its reflection path; and

[0008] a plurality of light sources, which are located on the outside of the mounting cylinder and correspond to the plurality of mounting positions and the plurality of reflecting surfaces one by one, the optical axis of each light source points to the corresponding mounting position, wherein each light source and the corresponding reflecting surface are located on opposite sides of the corresponding mounting position, and the light emitted by each light source can be shot to the corresponding reflecting surface.

[0009] Optionally, the plurality of mounting positions are arranged along a circumference of the mounting cylinder.

[0010] Correspondingly, the plurality of reflective surfaces and the plurality of light sources are arranged along a circumference of the mounting cylinder, so that the plurality of reflective surfaces can alternately reflect light to the plurality of mounting positions.

[0011] Optionally, an optical axis of each light source is arranged at an angle with respect to a normal line of a corresponding reflective surface.

[0012] Optionally, the mounting positions are provided in three, and a corresponding central angle of any two adjacent mounting positions is 120°.

[0013] Correspondingly, the reflective surfaces and the light sources are respectively provided in three, wherein a corresponding central angle of any two adjacent reflective surfaces is 120°, a corresponding central angle of any two adjacent light sources is 120°, and each reflective surface is located between two adjacent light sources.

[0014] Optionally, each light source includes two sub-light sources, optical axes of the two sub-light sources are arranged at an angle and both point to a corresponding mounting position, and a corresponding reflective surface of each sub-light source is different.

[0015] Each reflective surface is located between two corresponding sub-light sources.

[0016] Optionally, each mounting position has a reflective side facing a corresponding reflective surface, and a normal light side facing a corresponding light source.

[0017] Light emitted by each light source is emitted from the normal light side of the mounting position to the corresponding reflective surface, and the reflective light of the reflective surface is emitted to the reflective side of the mounting position on the reflection path.

[0018] Optionally, the reflective part is a reflective cylinder sleeved outside the mounting cylinder, and the reflective surface is arranged on an inner side wall of the reflective cylinder.

[0019] Optionally, the mounting cylinder is a quartz tube.

[0020] Optionally, an inert gas is provided in the quartz tube.

[0021] Optionally, the light source includes a light emitting unit and a lens arranged on a side of the light emitting unit close to the mounting position.

[0022] Optionally, a heat dissipation component is further arranged on a side of the light emitting unit opposite to the lens; and / or,

[0023] The lens comprises a first lens and a second lens arranged in sequence away from the light emitting unit, the first lens is arranged in a half sphere, and the plane of the first lens faces the light emitting unit and the spherical surface faces the second lens, and the second lens is arranged in a cylinder.

[0024] Compared with the prior art, the optical fiber coloring and curing device provided by the application has the following advantages: the mounting cylinder is provided with a plurality of mounting positions, so that a plurality of optical fibers can be simultaneously mounted, the optical axes of the light sources are directed to the corresponding optical fibers, the light emitted by the light sources is reflected by the corresponding reflecting surfaces, and the reflected light is irradiated on the optical fibers on the reflecting path of the reflecting surfaces; in this way, the optical fibers can be cured by the direct light of the corresponding light sources and the reflected light of the reflecting surfaces at the same time, so that the utilization efficiency of the light sources is improved and the energy consumption is saved while ensuring the irradiation intensity of the light; a plurality of optical fibers can be cured at the same time, the production efficiency is improved, and the number of light sources required by each optical fiber is reduced on average, thereby saving costs.

[0025] The above description is only a summary of the technical scheme of the application. In order to more clearly understand the technical means of the application and can be implemented according to the content of the specification, the preferred embodiments of the application are described in detail below with reference to the accompanying drawings. The specific embodiments of the application are described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0026] The accompanying drawings described herein are used to provide further understanding of the application, and form a part of the application. The schematic embodiments of the application and their descriptions are used to explain the application, and do not constitute an improper limitation on the application. In the drawings:

[0027] Figure 1 A top view schematic diagram of an embodiment of the optical fiber coloring and curing device provided by the application;

[0028] Figure 2 A Figure 1 A-A sectional view schematic diagram of the optical fiber coloring and curing device;

[0029] Figure 3 A Figure 2 A light axis direction schematic diagram of two sub-light sources of the optical fiber coloring and curing device;

[0030] Figure 4 A Figure 2 A light axis direction schematic diagram of each sub-light source of the optical fiber coloring and curing device;

[0031] Figure 5 A Figure 2 A structure schematic diagram of the light source;

[0032] Figure 6 A Figure 5 A structure schematic diagram of the light emitting unit and the heat dissipation assembly;

[0033] Figure 7 For Figure 1 The schematic diagram of the light path of the optical fiber coloring and curing device;

[0034] Figure 8 The light intensity distribution diagram of each point of the optical fiber when the axial section is unfolded in the 360° plane.

[0035] Marked for the drawing:

[0036] 100-optical fiber coloring and curing device, 1-mounting cylinder, 1a-mounting position, 1a1-reflective side, 1a2-reflective side, 2-reflective part, 21-reflective surface, 22-reflective cylinder, 3-light source, 31-sub light source, 311-light emitting unit, 312-lens, 3121-first-order lens, 3122-second-order lens, 4-heat dissipation assembly, 200-optical fiber. DETAILED DESCRIPTION

[0037] The preferred embodiments of the present application will be described in detail below with reference to the drawings, wherein the drawings constitute a part of this application and serve to explain the principles of the embodiments of the present application, but are not used to limit the scope of the present application.

[0038] Please see Figures 1 to 4 , the optical fiber coloring and curing device 100 includes a mounting cylinder 1, a reflective part 2, and a plurality of light sources 3; a plurality of mounting positions 1a are arranged at intervals in the mounting cylinder 1, and each mounting position 1a is used to mount an optical fiber 200; the reflective part 2 is arranged on the outside of the mounting cylinder 1 and is provided with a plurality of reflective surfaces 21 corresponding to a plurality of mounting positions 1a, and each reflective surface 21 is provided with one mounting position 1a on the reflection path; a plurality of light sources 3 are located on the outside of the mounting cylinder 1 and correspond to a plurality of mounting positions 1a and a plurality of reflective surfaces 21 one by one, and the optical axis of each light source 3 points to the corresponding mounting position 1a, wherein each light source 3 and the corresponding reflective surface 21 are located on the opposite sides of the corresponding mounting position 1a, and the light emitted by the light source 3 can be shot to the corresponding reflective surface 21.

[0039] In the optical fiber coloring and curing device 100 provided by the present application, the mounting cylinder 1 is provided with a plurality of mounting positions 1a, so that a plurality of optical fibers 200 can be mounted at the same time, and the optical axis of each light source 3 points to the corresponding optical fiber 200, and the light emitted by the light source 3 can be reflected by the corresponding reflective surface 21 and irradiated on the optical fiber 200 on the reflection path of the reflective surface 21; in this way, the optical fiber 200 can be cured by the direct light of the corresponding light source 3 and the reflected light of the reflective surface 21 at the same time, so that the utilization efficiency of the light source 3 can be improved while ensuring the irradiation intensity of the light, and a plurality of optical fibers 200 can be cured at the same time, which improves the production efficiency and reduces the number of light sources 3 required for each optical fiber 200 on average, thereby saving costs.

[0040] It should be noted that the reflection path of the reflecting surface 21 can be directed to its corresponding mounting position 1a, or can be directed to other mounting positions 1a, as long as the reflected light can be irradiated on the optical fiber 200 to improve the utilization efficiency of the light source 3 and further reduce energy consumption.

[0041] Specifically, in the embodiment, a plurality of mounting positions 1a are arranged along the circumference of the mounting cylinder 1; correspondingly, a plurality of reflecting surfaces 21 and a plurality of light sources 3 are arranged along the circumference of the mounting cylinder 1, so that the plurality of reflecting surfaces 21 can alternately reflect light to the plurality of mounting positions 1a; wherein the optical axis of each light source 3 is arranged at an angle with the normal line of the corresponding reflecting surface 21. In this way, the plurality of mounting positions 1a are arranged along the circumference of the mounting cylinder 1, and the optical axis of the light source 3 and the normal line of the reflecting surface 21 are arranged not to coincide. That is, in the present scheme, the light reflected by the reflecting surface 21 is irradiated on other mounting positions 1a, so that the overall structure is more compact, and the mounting positions 1a do not interfere with each other.

[0042] In the embodiment, the mounting position 1a is provided with three, and the central angle corresponding to any two adjacent mounting positions 1a is 120°; correspondingly, the reflecting surface 21 and the light source 3 are respectively provided with three, wherein the central angle corresponding to any two adjacent reflecting surfaces 21 is 120°, the central angle corresponding to any two adjacent light sources 3 is 120°, and each reflecting surface 21 is located between two adjacent light sources 3. Specifically, each light source 3 includes two sub-light sources 31, the optical axes of the two sub-light sources 31 are arranged at an angle and both point to the corresponding mounting position 1a, and the reflecting surface 21 corresponding to each sub-light source 31 is different; each reflecting surface 21 is located between the corresponding two sub-light sources 31.

[0043] In the present scheme, the three mounting positions 1a are arranged in a regular triangle to improve the proportion of reflected light falling on the mounting position 1a. At the same time, each light source 3 includes two sub-light sources 31, and the optical axes of the two sub-light sources 31 respectively point to two different reflecting surfaces 21; in this way, the reflected light of the two sub-light sources 31 via the corresponding reflecting surface 21 falls on the other two mounting positions 1a, so that the light emitted by the light source 3 can be fully utilized. It should be understood that in the embodiment, each mounting position 1a falls on the center line between the corresponding two sub-light sources 31, and the normal line of each reflecting surface 21 also coincides with the center line of the corresponding two sub-light sources 31.

[0044] Further, each of the installation positions 1a has a light reflection side 1a1 facing the corresponding light reflection surface 21 and a light emission side 1a2 facing the corresponding light source 3; the light emitted by each of the light sources 3 is emitted from the light emission side 1a2 of the installation position 1a to the corresponding light reflection surface 21, and the reflected light of the light reflection surface 21 is emitted to the light reflection side 1a1 of the installation position 1a on the reflection path. In this way, one side of the optical fiber 200 on the installation position 1a can be directly irradiated by the light source 3, and the opposite side can be irradiated by the reflected light of the light reflection surface 21, so that the circumferential side of the optical fiber 200 can be irradiated by the light, so that the curing of the optical fiber 200 is more uniform, and the curing quality is improved.

[0045] Further, in the present embodiment, the light reflection part 2 is a light reflection cylinder 22 sleeved outside the installation cylinder 1, and the light reflection surface 21 is arranged on the inner side wall of the light reflection cylinder 22. It should be noted that the inner side wall of the light reflection cylinder 22 can be partially provided with the light reflection surface 21, or the entire inner side wall can be provided with a mirror surface. Specifically, in the present embodiment, the entire inner side wall of the light reflection cylinder 22 is provided with a mirror surface that can reflect light. At the same time, the light reflection cylinder 22 is provided with installation holes corresponding to the plurality of light sources 3, so that the plurality of light sources 3 can be installed in the installation holes. In addition, the plurality of light sources 3 around the circumferential side of the light reflection cylinder 22 form a light source 3 group. In the present scheme, a plurality of light source 3 groups are arranged, and the plurality of light source 3 groups are arranged along the length direction of the light reflection cylinder 22, and a feeding structure is arranged to feed the optical fiber 200 along the length direction of the light reflection cylinder 22, so that the optical fiber 200 is sequentially irradiated by the plurality of light source 3 groups during the conveying process, so as to ensure the curing quality while improving the curing efficiency.

[0046] It should be noted that the volatile matter in the colored coating of the optical fiber 200 will evaporate during the curing process. In order to avoid the evaporation of the volatile matter from polluting the light source 3 and the light reflection surface 21, in the present embodiment, the installation cylinder 1 is a quartz tube. In this way, the light of the light source 3 can irradiate the surface of the optical fiber 200 through the quartz tube, and the volatile matter of the coating is also prevented from polluting the light source 3 and the light reflection surface 21. In addition, inert gas is introduced into the quartz tube to carry away part of the volatile matter of the coating, so that an oxygen-free or low-oxygen environment can be formed around the optical fiber 200 during the curing of the coating, reducing the adverse effects of oxygen on the coating and improving the coloring quality. Specifically, the inert gas can be nitrogen or other inert gas, which is not limited here.

[0047] Further, please refer to Figure 5 and Figure 6The light source 3 comprises a light emitting unit 311 and a lens 312 arranged on the side of the light emitting unit 311 close to the mounting position 1a. Specifically, the lens 312 comprises a first lens 3121 and a second lens 3122 arranged in sequence away from the light emitting unit 311, the first lens 3121 is arranged in a half sphere, and the plane of the first lens 3121 faces the light emitting unit 311, and the spherical surface faces the second lens 3122, and the second lens 3122 is arranged in a cylinder. In the embodiment, the light emitted by the light emitting unit 311 passes through the center points of the first lens 3121 and the second lens 3122 in sequence, so that the light is condensed and falls on the mounting position 1a, thereby improving the light intensity of the light falling on the mounting position 1a. It should be understood that each sub-light source 31 comprises a light emitting unit 311 and a lens 312 as described above.

[0048] Further, the side of the light emitting unit 311 opposite to the lens 312 is further provided with a heat dissipation assembly 4. In the embodiment, the heat dissipation assembly 4 is arranged to dissipate heat from the light emitting unit 311 in time, thereby ensuring the light emitting efficiency of the light emitting unit 311 and prolonging the service life of the light emitting unit 311. Specifically, the heat dissipation mode of the heat dissipation assembly 4 is not limited to air cooling or liquid cooling, and can also be an integrated mode of air cooling and liquid cooling.

[0049] Based on the above embodiment, please refer to Figure 7 and Figure 8 The working process principle of the optical fiber coloring and curing device 100 provided by the scheme is as follows:

[0050] The light emitted by the sub-light source 31 takes the center point of the light emitting unit 311 as the normal line (shown by a straight dashed line in the figure), passes through the center points of the first lens 312 and the second lens 312 in sequence, and the direct light is first used for curing the paint on the front surface of the optical fiber 200, and is reflected at the midpoint of the arc-shaped reflecting surface 21 on the opposite surface, and the reflected light acts on the paint curing on the back surface of the optical fiber 200. In this way, referring to the light intensity distribution diagram of each point of the axial section of the optical fiber 200 when the section is expanded in the 360° plane, it can be seen that the maximum light intensity is 12.8 W / cm 2 , and the minimum is 10.7 W / cm 2 , and the difference is not large, which can make the paint on the surface of the optical fiber 200 be cured more uniformly.

[0051] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any changes or replacements easily thought of by those skilled in the art within the technical range disclosed by the present application should be covered within the protection scope of the present application.

Claims

1. An optical fiber coloring and curing apparatus characterized by comprising: It includes: A mounting cylinder, a plurality of mounting positions are arranged in the mounting cylinder, each of the mounting positions is used to mount an optical fiber; A light reflection part, a plurality of light reflection surfaces are arranged on the outer side of the mounting cylinder, each of the light reflection surfaces is arranged with one of the mounting positions on the reflection path; and A plurality of light sources, the light sources are arranged on the outer side of the mounting cylinder and correspond to the mounting positions and the light reflection surfaces, the optical axis of each of the light sources points to the corresponding mounting position, wherein each of the light sources and the corresponding light reflection surface are arranged on the opposite sides of the corresponding mounting position, and the light emitted by the light source can be shot to the corresponding light reflection surface; The mounting positions are arranged along the circumference of the mounting cylinder; correspondingly, the light reflection surfaces and the light sources are arranged along the circumference of the mounting cylinder, so that the light reflection surfaces can alternately reflect light to the mounting positions; wherein the optical axis of each of the light sources and the normal line of the corresponding light reflection surface are arranged at an angle; Each of the light sources includes two sub-light sources, the optical axes of the two sub-light sources are arranged at an angle and point to the corresponding mounting position, and the corresponding light reflection surfaces of each of the sub-light sources are different; each of the light reflection surfaces is located between the corresponding two sub-light sources; Each of the mounting positions has a light reflection side facing the corresponding light reflection surface and a normal light side facing the corresponding light source; the light emitted by each of the light sources is shot to the corresponding light reflection surface from the normal light side of the mounting position, and the reflected light of the light reflection surface is shot to the light reflection side of the mounting position on the reflection path.

2. The optical fiber color curing apparatus according to claim 1, wherein The mounting positions are three, and the central angle corresponding to any two adjacent mounting positions is 120°; Correspondingly, the light reflection surfaces and the light sources are respectively arranged with three, wherein the central angle corresponding to any two adjacent light reflection surfaces is 120°, the central angle corresponding to any two adjacent light sources is 120°, and each of the light reflection surfaces is located between the adjacent two light sources.

3. The fiber optic colorization curing apparatus of claim 1, wherein, The light reflection part is a light reflection cylinder sleeved on the outer side of the mounting cylinder, and the light reflection surfaces are arranged on the inner side wall of the light reflection cylinder.

4. The fiber optic colorization curing apparatus of claim 1, wherein, The mounting cylinder is a quartz tube.

5. The fiber optic colorization curing apparatus of claim 4, wherein, The quartz tube is provided with an inert gas.

6. The fiber optic colorization curing apparatus of claim 1, wherein, The light source includes a light emitting unit and a lens arranged on the side of the light emitting unit close to the mounting position.

7. The fiber optic colorization curing apparatus of claim 6, wherein, The side opposite to the lens of the light emitting unit is further provided with a heat dissipation component; and / or The lens includes a first lens and a second lens arranged in sequence away from the light emitting unit, the first lens is arranged in a hemisphere, and the plane of the first lens faces the light emitting unit and the spherical surface faces the second lens, and the second lens is arranged in a cylinder.

Images