Optical fiber sensor structure with UV glue curing function

Abstract

The utility model relates to an optical fiber sensor structure with UV (ultraviolet) glue curing, which aims to optimize the manufacturing process of the traditional optical fiber sensor structure, reduce the cost and maintain the detection accuracy, and comprises a main mold with a curing lamp group and a silica gel mold arranged in the main mold, the silica gel mold is provided with a molding groove, and the molding groove is formed in the silica gel mold. A UV adhesive with the same amount is injected into the modeling groove, an optical fiber wire is arranged at the position, with the depth being 2 mm, in the modeling groove, the curing lamp set is matched to irradiate the UV adhesive at regular time to form a collimating lens, and then the front end of the collimating lens is matched with a metal connector to be bonded and assembled. According to the utility model, the high-transmittance UV glue and the simple mold design are utilized, so that the collimating lens product can maintain the fine detection function, the number of parts and tedious assembly steps are reduced, and finally, the cost is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of optical fiber sensor structures with UV glue solidification. BACKGROUND

[0002] Most of the commercially available optical fiber sensors today have high sensitivity and accuracy due to the combination of optical fiber transmission and optical focusing. The detection distance can be greatly extended after focusing, so it has a wide application in industrial detection, medical diagnosis and other fields.

[0003] However, the alignment mechanism and technology required during the manufacturing and installation process are very precise. Since the lens is built-in, it needs to be specially selected for the appropriate lens material or additional protective measures when used in harsh environments. Therefore, it leads to higher cost, more parts or more complicated steps.

[0004] Therefore, the optical fiber sensor currently needs a manufacturing method that can effectively simplify the number of manufacturing parts and complicated steps, thereby reducing the related manufacturing costs, maintaining the detection accuracy, and increasing the production demand. INVENTION CONTENTS

[0005] An embodiment of the utility model provides an optical fiber sensor structure with UV glue solidification, which mainly uses UV glue with silica gel mold to cover the optical fiber wire in the UV glue, and then forms a metal joint by solidification lamp group lighting and bonding. This can greatly reduce the number of parts and simplify the previous complicated manufacturing process, reduce the manufacturing cost, and maintain the original sensing precision function.

[0006] The utility model discloses an optical fiber sensor structure with UV glue solidification, which comprises a main mold with a solidification lamp group, a silica gel module is arranged in the main mold, the silica gel module has a molding groove, an equal amount of UV glue is injected into the molding groove, an optical fiber wire is arranged in the molding groove at a depth of 2mm, the UV glue is irradiated by the solidification lamp group to form a collimator, and the front end of the collimator is bonded and assembled with a metal joint.

[0007] Optionally, a molding surface is formed at the front end of the collimator, the molding surface has light transmission characteristics, and can change the design modeling in the molding groove.

[0008] Optionally, the solidification lamp group irradiates for 5 seconds.

[0009] Optionally, the silica gel mold has light transmission characteristics, and the light transmission is 75%.

[0010] Optionally, the light transmission of the UV glue is 95%.

[0011] The utility model discloses the beneficial effects are as follows:

[0012] The utility model discloses a UV glue is irradiated with the cooperation of curing lamp set, lets UV glue can be covered with the optical fiber wire material and form the collimating mirror with high light transmittance, and then cooperates metal joint bonding, thereby simplifying the number of existing parts and complicated manufacturing process.

[0013] The utility model discloses the UV glue is irradiated with the cooperation of silica gel mould, and the optical fiber wire material is set in the UV glue and is covered, then is bonded by the cooperation of curing lamp set and metal joint, thereby can greatly reduce the number of parts, and the previous complicated manufacturing process is simplified, and in addition to the decrease of manufacturing cost, the originally sensed precision function can also be kept. DRAWINGS

[0014] In order to further understand and recognize the technical features and effects of the utility model, the preferred embodiment diagram is explained in detail as follows.

[0015] Figure 1 It is the perspective view of the utility model.

[0016] Figure 2 It is the implementation step flow chart (one) of the utility model.

[0017] Figure 3 It is the implementation step flow chart (two) of the utility model.

[0018] Figure 4 It is the three-dimensional schematic diagram based on the implementation step of the utility model. Figure 2 And Figure 3 It is the three-dimensional schematic diagram based on the implementation step of the utility model.

[0019] Figure 5 It is the implementation step flow chart (three) of the utility model.

[0020] Figure 6 It is the implementation step flow chart (four) of the utility model.

[0021] Figure 7 It is the three-dimensional schematic diagram based on the implementation step of the utility model. Figure 5 And Figure 6 It is the three-dimensional schematic diagram based on the implementation step of the utility model.

[0022] The figure is indicated as follows:

[0023] 10. Main mould

[0024] 11. Curing lamp set

[0025] 20. Silica gel mould

[0026] 21. Moulding groove

[0027] 30. UV glue

[0028] 31. Collimating mirror

[0029] 32. Molding surface

[0030] 40. Optical fiber wire

[0031] 50. Metal joint DETAILED DESCRIPTION

[0032] Generally according to the present application, the best possible embodiment, and in conjunction with the accompanying drawings Figures 1-7 After a detailed description, increase the understanding of the present application, the present application is a kind of optical fiber sensor structure with UV glue curing, including: a main mold 10, with a curing lamp group 11 cooperation setting, the curing lamp group 11 also can be disassembled or external configuration means such as according to actual field operation needs, and not limited to this.

[0033] A silica gel mold 20, cooperation is set in the main mold 10, and the silica gel mold 20 has a molding groove 21, the light transmittance of the silica gel mold 20 is 75%.

[0034] A UV glue 30, its main components are composed of oligomer (oligomer), reactive monomer (reactive monomer), photoinitiator (photoinitiator), the aforementioned oligomer (oligomer) usually can be selected from one of epoxy acrylates, urethane acrylates, polyester acrylates, and the reactive monomer is added to the aforementioned oligomer can reduce the viscosity, increase the convenience of use, and the photoinitiator is used to absorb the energy of ultraviolet rays, form free radical or cation radical, make monomer and oligomer occur chain polymerization reaction, so that the UV glue (30) can be cured, the UV glue (30) is also called ultraviolet curing glue (UV curing).

[0035] When the molding groove 21 injects an equal amount of UV glue 30, a fiber optic wire 40 is matched with a jig to position the molding groove 21 at a depth of 2 mm, and the curing lamp group 11 is matched with a timing of 5 seconds to irradiate the UV glue 30 to form a collimating mirror 31, and the light transmittance of the aforementioned UV glue 30 is 95%, which can effectively improve the problem of light attenuation, replace the existing focusing structure, and also maintain calibration accuracy under mass production. The irradiation time of the aforementioned curing lamp group 11 is calculated by the usage and area of the UV glue 30 in the molding groove 21, and the preferred seconds are proposed by the curing rate, and the seconds can also be adjusted according to the needs of production, and are not limited to this.

[0036] A molding surface 32 is formed at the front end of the collimating mirror 31, and the molding surface 32 has light transmission characteristics and can change the design molding in the molding groove 21, for example Figures 2-7 The molding surface 32 indicated in the middle is a curved surface, and the corresponding parts can also be replaced by rhombus, rectangle, square, circle, etc. through the molding groove 21, or other shapes with light transmission and concentration effect, so it is not limited to this. Finally, the front end of the collimating mirror 31 is matched with a metal joint 50 for bonding assembly.

[0037] In summary, the utility model has a UV glue curing fiber optic sensor structure, which uses UV glue 30 with a light transmittance of 95% and silica gel mold 20 with a light transmittance of 75% to cover the fiber optic wire 40 in the UV glue 30, and then forms the collimating mirror 31 by continuously illuminating the curing lamp group 11, and further matched with the metal joint 50 for bonding assembly, which can greatly reduce the number of parts, simplify the previous complicated manufacturing process, reduce the manufacturing cost, and also maintain the original sensing precision function.

Claims

1. A fiber sensor structure with UV glue curing, comprising: a main mold (10) with a curing lamp group (11); a silica gel mold (20) matched and arranged in the main mold (10), and the silica gel mold (20) has a molding groove (21), characterized in that, The molding groove (21) is filled with a UV glue (30), an optical fiber wire (40) is placed in the molding groove (21) at a depth of 2 mm, and a metal connector (50) is bonded to the front end of a collimating mirror (31) after the collimating mirror (31) is irradiated by the curing lamp set (11) for a time of 5 seconds.

2. The optical fiber sensor structure with UV glue curing according to claim 1, wherein, Further comprising: a molding surface (32) formed at the front end of the collimating mirror (31), the molding surface (32) having light transmission characteristics and being capable of changing the design molding in the molding groove (21).

3. The optical fiber sensor structure with UV glue curing according to claim 1, wherein, The curing lamp set (11) is irradiated for a time of 5 seconds.

4. The optical fiber sensor structure with UV glue curing according to claim 1, wherein, The silica gel mold (20) has light transmission characteristics, and the light transmission is 75%.

5. The optical fiber sensor structure with UV glue curing according to claim 1, wherein, The UV glue (30) has a light transmission of 95%.

Images