Optical fiber end face defect observation and detection device

Abstract

The utility model relates to the technical field of optical fiber defect detection, and discloses an optical fiber end face defect observation and detection device which comprises an optical fiber suite, an optical fiber fixing structure, an observation mirror structure, a supporting structure and an illumination structure, the optical fiber suite is fixed above the supporting structure through the optical fiber fixing structure, and the observation mirror structure is located in the opposite direction of the optical fiber suite. The angles of the optical fiber suite and the observation mirror structure can be adjusted; the illumination structure is located beside the observation mirror structure and used for providing directional illumination. The supporting structure comprises a lower bottom plate, a sleeve bottom plate, a stand column sleeve and a stand column, the sleeve bottom plate is fixed to the center of the upper end of the lower bottom plate, the stand column sleeve is arranged in the center of the upper end of the sleeve bottom plate, and the bottom end of the stand column is fixed in the stand column sleeve through screws. The device is simple and small in structure, the observation mirror and the end face angle of the optical fiber can be adjusted, meanwhile, the illumination structure can assist in illumination, end face defects of the optical fiber can be observed and detected conveniently, and the detection precision can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fiber defect detection, in particular to an optical fiber end face defect observation and detection device. Background Art

[0002] Optical fiber is a fiber made of glass or plastic that can be used as a light transmission tool. Since the transmission loss of light in optical fiber is much lower than the transmission loss of electricity in wires, it is often used for long-distance information transmission. The flatness and cleanliness of the optical fiber end face is one of the necessary conditions to ensure its subsequent processing and performance. Usually, the end face is observed and inspected by holding a fiber optic observation mirror, which is inconvenient to operate and not convenient for detailed inspection.

[0003] There are also some optical fiber end face observation and detection devices in the prior art, such as the Chinese invention patent with application number CN201910230963.3, named as an optical fiber end face observation device. It is lightweight, easy to disassemble, and easy to carry. It can be used for long-distance business trips and can be used to observe the optical fiber end faces of different types of lasers, meeting the needs of human body use in a variety of postures.

[0004] Another example is the Chinese utility model patent with application number CN201420041419.7, entitled "An enhanced optical fiber end face observation device". The optical resin layer has strong light transmittance and a refractive index similar to that of the optical fiber. It scatters light in all directions and can easily penetrate the optical fiber. A large amount of light penetrates, and the brightness is high. There is no need to produce deformation as in the prior art, and the optical fiber will not be squeezed. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a device for observing and detecting optical fiber end face defects, which has a simple and compact structure, is convenient for fixing and taking and placing the optical fiber, and the end face angles of the observation mirror and the optical fiber can be adjusted. At the same time, an illumination structure is provided for auxiliary illumination, which not only facilitates the observation and detection of end face defects of the optical fiber, but also can improve the detection accuracy.

[0006] The utility model is implemented by the following technical scheme: an optical fiber end face defect observation and detection device, including an optical fiber kit, an optical fiber fixing structure, an observation mirror structure, a supporting structure and an illumination structure, wherein the optical fiber kit is fixed on the top of the supporting structure by the optical fiber fixing structure, the observation mirror structure is located opposite to the optical fiber kit, and the angles of the optical fiber kit and the observation mirror structure can be adjusted; the illumination structure is located beside the observation mirror structure and is used to provide directional illumination.

[0007] Furthermore, the supporting structure includes a lower base plate, a sleeve base plate, a column sleeve and a column, the sleeve base plate is fixed at the upper center of the lower base plate, the column sleeve is arranged at the upper center of the sleeve base plate, and the bottom end of the column is fixed in the column sleeve by screws.

[0008] Furthermore, the support structure also includes a rotating fixed seat, a rotating plate, a manual knob and a connecting plate. The bottom end of the rotating fixed seat is fixed to the top of the column by a screw sleeve, and the rotating plate is vertically fixed to the bottom end of the connecting plate. The rotating plate and the rotating fixed seat are connected by a manual knob. The angle between the rotating plate and the rotating fixed seat can be adjusted using the manual knob, and the top of the connecting plate is fixed with a mounting plate by screws.

[0009] Furthermore, the optical fiber fixing structure includes an optical fiber fixing base, an optical fiber fixing upper seat, an optical fiber mounting base plate and a buckle, the optical fiber mounting base plate is arranged at the lower upper end of the mounting plate, the optical fiber fixing base is fixed to the upper end of the optical fiber mounting base plate, the rear end of the optical fiber fixing upper seat is hinged to the optical fiber fixing base, the front end of the optical fiber fixing upper seat is connected to the optical fiber fixing base by a buckle, and the optical fiber fixing upper seat and the optical fiber fixing base are used to fix the optical fiber kit.

[0010] Furthermore, the optical fiber fixing structure also includes a slide groove, an angle adjustment knob and a rotating shaft. The front end of the optical fiber mounting base plate is connected to the mounting plate through a rotating shaft, so that the optical fiber mounting base plate and the mounting plate can rotate around the rotating shaft. An arc-shaped slide groove is arranged at the lower part of the mounting plate. The angle adjustment knob is located below the mounting plate. The threaded column of the angle adjustment knob passes through the slide groove and is connected to the bottom end of the mounting plate. The angle adjustment knob is used to adjust the angle between the fixed optical fiber mounting base plate and the mounting plate.

[0011] Furthermore, the observation mirror structure includes an observation mirror, a mirror seat, a mirror base and a bearing seat. The bottom end of the mirror base is connected to the upper part of the mounting plate via the bearing seat, so that the mirror base can be rotated on the upper part of the mounting plate to adjust the angle. The mirror seat is fixed to the upper end of the mirror base by screws, and the observation mirror is fixed between the mirror seat and the mirror base.

[0012] Furthermore, the lighting structure includes a lighting lamp, a tube sleeve, a soft bracket and a bracket chassis, the bracket chassis is fixed to the upper end of the lower base plate, the bottom end of the soft bracket is connected and fixed to the bracket chassis, the tube sleeve is fixed to the top of the soft bracket, the lighting lamp is fixed in the tube sleeve, and the soft bracket can be manually bent to adjust the angle of the lighting lamp.

[0013] .The optical fiber end face defect observation and detection device according to claim is characterized in that: the optical fiber kit includes an optical fiber and an optical fiber connector, and the front part of the optical fiber is fixed in the optical fiber connector.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The utility model is a device for observing and detecting defects on the end face of an optical fiber, wherein the mirror base can be rotated at an adjustable angle on the upper part of the mounting plate, so that the angle of the observation mirror can be adjusted. The optical fiber mounting base plate and the mounting plate in the optical fiber fixing structure can rotate around the rotating axis, and the angle between the two can be adjusted using an angle adjustment knob, so that the angle of the optical fiber end face can be adjusted, so that the end face of the optical fiber can better correspond to the field of view of the observation mirror, which is convenient for observing and detecting defects on the end face of the optical fiber.

[0016] 2. The utility model is a device for observing and detecting defects on the end face of an optical fiber. The optical fiber fixing structure is used to fix the optical fiber kit. The front part of the optical fiber in the optical fiber kit is fixed in the optical fiber fixing structure through an optical fiber connector to protect the optical fiber. The optical fiber fixing upper seat in the optical fiber fixing structure is hinged to the rear end of the optical fiber fixing base, and the front end is connected by a buckle, so that the optical fiber fixing upper seat can be opened and closed, which is convenient for putting in and taking out the optical fiber kit.

[0017] 3. The utility model provides an optical fiber end face defect observation and detection device, wherein the lighting lamp is fixed in a tube sleeve, the tube sleeve is fixed on the top of a soft bracket, and the soft bracket can be flexibly bent manually as needed to adjust the height and angle of the lighting lamp so that its light can better illuminate the optical fiber end face, thereby more accurately observing and detecting the optical fiber end face. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the optical fiber end face defect observation and detection device of the utility model Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the structure of the optical fiber end face defect observation and detection device of the utility model Figure 2 ;

[0020] Figure 3 This is a schematic diagram of the structure of the utility model after removing the lighting structure and the lower supporting structure;

[0021] Figure 4 It is a left view of the utility model after removing the lighting structure, the optical fiber kit, and the lower supporting structure.

[0022] In the figure: optical fiber kit-1; optical fiber fixing structure-2; observation mirror structure-3; supporting structure-4; lighting structure-5; optical fiber-10; optical fiber connector-11; optical fiber fixing base-21; optical fiber fixing upper seat-22; optical fiber mounting base-23; buckle-24; slide groove-25; angle adjustment knob-26; rotating shaft-27; observation mirror-30; mirror upper seat-31; mirror base-32; bearing seat-33; mounting plate-34; lower base plate-41; sleeve base plate-42; column sleeve-43; column-44; rotating fixed seat-45; rotating plate-46; manual knob-47; connecting plate-48; lighting lamp-51; sleeve-52; soft bracket-53; bracket chassis-54. DETAILED DESCRIPTION

[0023] The following describes the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0024] The utility model aims to provide a device for observing and detecting defects on the end face of an optical fiber in view of the defects of the prior art.

[0025] Embodiment 1

[0026] This embodiment provides a device for observing and detecting optical fiber end face defects. Figure 1 , Figure 2 As shown, it includes an optical fiber kit 1, an optical fiber fixing structure 2, an observation mirror structure 3, a support structure 4 and an illumination structure 5, wherein the optical fiber kit 1 is fixed on the top of the support structure 4 by the optical fiber fixing structure 2, the observation mirror structure 3 is located opposite to the optical fiber kit 1, and the angles of the optical fiber kit 1 and the observation mirror structure 3 can be adjusted; the illumination structure 5 is located beside the observation mirror structure 3 and is used to provide directional lighting.

[0027] Specifically, refer to Figure 2 As shown, the support structure 4 includes a lower base plate 41, a sleeve base plate 42, a column sleeve 43 and a column 44. The sleeve base plate 42 is fixed to the center of the upper end of the lower base plate 41, the column sleeve 43 is arranged at the center of the upper end of the sleeve base plate 42, and the bottom end of the column 44 is fixed in the column sleeve 43 by screws. Figure 3As shown, the support structure 4 also includes a rotating fixed seat 45, a rotating plate 46, a manual knob 47 and a connecting plate 48. The bottom end of the rotating fixed seat 45 is fixed to the top of the column 44 by a screw sleeve, and the rotating plate 46 is vertically fixed to the bottom end of the connecting plate 48. The rotating plate 46 and the rotating fixed seat 45 are connected by a manual knob 47. The angle between the rotating plate 46 and the rotating fixed seat 45 can be adjusted using the manual knob 47. The top of the connecting plate 48 is fixed with a mounting plate 34 by screws, so that the inclination angle of the mounting plate 34 above the column 44 can be adjusted by the manual knob 47.

[0028] Specifically, refer to Figure 2-Figure 4 As shown, the optical fiber fixing structure 2 includes an optical fiber fixing base 21, an optical fiber fixing upper seat 22, an optical fiber installation base plate 23 and a buckle 24. The optical fiber installation base plate 23 is arranged at the lower upper end of the installation plate 34. The optical fiber fixing base 21 is fixed to the upper end of the optical fiber installation base plate 23. The rear end of the optical fiber fixing upper seat 22 is hinged to the optical fiber fixing base 21. The front end of the optical fiber fixing upper seat 22 is connected to the optical fiber fixing base 21 through the buckle 24, so that the optical fiber fixing upper seat 22 and the optical fiber fixing base 21 can be opened and closed, which is used to fix the optical fiber kit 1. Figure 3 As shown, the optical fiber fixing structure 2 also includes a slide groove 25, an angle adjustment knob 26 and a rotating shaft 27. The front end of the optical fiber mounting base plate 23 is connected to the mounting plate 34 through the rotating shaft 27, so that the optical fiber mounting base plate 23 and the mounting plate 34 can rotate around the rotating shaft 27. An arc-shaped slide groove 25 is provided at the lower part of the mounting plate 34, and the angle adjustment knob 26 is located below the mounting plate 34. The threaded column of the angle adjustment knob 26 passes through the slide groove 25 and is connected to the bottom end of the mounting plate 34. The angle adjustment knob 26 is used to adjust the angle between the fixed optical fiber mounting base plate 23 and the mounting plate 34.

[0029] Specifically, refer to Figure 2 , Figure 3 As shown, the observation mirror structure 3 includes an observation mirror 30, a mirror upper seat 31, a mirror base 32 and a bearing seat 33. The bottom end of the mirror base 32 is connected to the upper part of the mounting plate 34 via the bearing seat 33, so that the mirror base 32 can be rotated to adjust the angle on the upper part of the mounting plate 34. The mirror upper seat 31 is fixed to the upper end of the mirror base 32 by screws, and the observation mirror 30 is fixed between the mirror upper seat 31 and the mirror base 32. The observation mirror 30 uses an adjustable magnification magnifying glass in the prior art to observe the condition of the optical fiber end.

[0030] Reference Figure 1 , Figure 2As shown, the lighting structure 5 includes a lighting lamp 51, a sleeve 52, a soft bracket 53 and a bracket chassis 54. The bracket chassis 54 is fixed to the upper end of the lower bottom plate 41. The bottom end of the soft bracket 53 is connected and fixed to the bracket chassis 54. The sleeve 52 is fixed to the top of the soft bracket 53. The lighting lamp 51 is fixed in the sleeve 52. The lighting lamp 51 uses an LED flashlight in the prior art. The soft bracket 53 can be manually bent to adjust the angle of the lighting lamp 51. The optical fiber kit 1 includes an optical fiber 10 and an optical fiber connector 11. The front of the optical fiber 10 is fixed in the optical fiber connector 11, and the optical fiber connector 11 is fixed in the optical fiber fixing structure 2.

[0031] The utility model discloses an optical fiber end face defect observation and detection device, which uses an optical fiber fixing structure 2 to fix an optical fiber kit 1. The optical fiber fixing upper seat 22 in the optical fiber fixing structure 2 is hinged with the rear end of the optical fiber fixing base 21, and the front end is connected by a buckle 24, so that the optical fiber fixing upper seat 22 can be opened and closed, which is convenient for placing and removing the optical fiber kit 1. The bottom end of the mirror base 32 in the observation mirror structure 3 is connected to the upper part of the mounting plate 34 through a bearing seat 33, so that the mirror base 32 can be rotated and adjusted on the upper part of the mounting plate 34, thereby adjusting the angle of the observation mirror 30; the optical fiber mounting bottom plate 23 in the optical fiber fixing structure 2 and the mounting plate 34 can rotate around the rotating shaft 27, and the angle between the two can be adjusted by using an angle adjustment knob 26, so that the angle of the end face of the optical fiber 10 can be adjusted, so that the end face of the optical fiber 10 can better correspond to the field of view of the observation mirror 30, which is convenient for observing and detecting the end face defects of the optical fiber.

[0032] The utility model also provides an illumination structure 5 beside the observation mirror structure 3. The illumination lamp 51 in the illumination structure 5 is fixed in a tube sleeve 52. The tube sleeve 52 is fixed to the top of a soft bracket 53. The soft bracket 53 can be flexibly bent manually as needed to adjust the height and angle of the illumination lamp 51 so that its light can better illuminate the end face of the optical fiber 10, thereby more accurately observing and detecting the end face of the optical fiber. The overall structure is compact in size and easy to operate, use and carry.

[0033] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An optical fiber end face defect observation and detection device, characterized in that: The optical fiber kit (1) comprises an optical fiber fixing structure (2), an observation mirror structure (3), a support structure (4) and an illumination structure (5), wherein the optical fiber kit (1) is fixed on the upper side of the support structure (4) by the optical fiber fixing structure (2), the observation mirror structure (3) is located opposite to the optical fiber kit (1), and the angles of the optical fiber kit (1) and the observation mirror structure (3) can be adjusted; the illumination structure (5) is located beside the observation mirror structure (3) and is used to provide directional illumination; The supporting structure (4) comprises a lower base plate (41), a sleeve base plate (42), a column sleeve (43) and a column (44); the sleeve base plate (42) is fixed to the center of the upper end of the lower base plate (41); the column sleeve (43) is arranged at the center of the upper end of the sleeve base plate (42); and the bottom end of the column (44) is fixed to the column sleeve (43) by screws; The support structure (4) further comprises a rotating fixed seat (45), a rotating plate (46), a manual knob (47) and a connecting plate (48); the bottom end of the rotating fixed seat (45) is fixed to the top end of the column (44) by means of a screw sleeve; the rotating plate (46) is vertically fixed to the bottom end of the connecting plate (48); the rotating plate (46) and the rotating fixed seat (45) are connected by means of a manual knob (47); the angle between the rotating plate (46) and the rotating fixed seat (45) can be adjusted by means of the manual knob (47); and the top end of the connecting plate (48) is fixed with a mounting plate (34) by means of screws.

2. The optical fiber end face defect observation and detection device according to claim 1, characterized in that: The optical fiber fixing structure (2) comprises an optical fiber fixing base (21), an optical fiber fixing upper seat (22), an optical fiber installation base plate (23) and a buckle (24); the optical fiber installation base plate (23) is arranged at the upper end of the lower part of the installation plate (34); the optical fiber fixing base (21) is fixed to the upper end of the optical fiber installation base plate (23); the rear end of the optical fiber fixing upper seat (22) is hinged to the optical fiber fixing base (21); the front end of the optical fiber fixing upper seat (22) is connected to the optical fiber fixing base (21) via the buckle (24); the optical fiber fixing upper seat (22) and the optical fiber fixing base (21) are used to fix the optical fiber kit (1).

3. The optical fiber end face defect observation and detection device according to claim 2, characterized in that: The optical fiber fixing structure (2) further comprises a slide groove (25), an angle adjustment knob (26) and a rotating shaft (27); the front end of the optical fiber installation base plate (23) is connected to the installation plate (34) via the rotating shaft (27), so that the optical fiber installation base plate (23) and the installation plate (34) can rotate around the rotating shaft (27); an arc-shaped slide groove (25) is arranged at the lower part of the installation plate (34); the angle adjustment knob (26) is located below the installation plate (34); the threaded column of the angle adjustment knob (26) passes through the slide groove (25) and is connected to the bottom end of the installation plate (34); the angle adjustment knob (26) is used to adjust the angle between the optical fiber installation base plate (23) and the installation plate (34).

4. The optical fiber end face defect observation and detection device according to claim 2 or 3, characterized in that: The observation mirror structure (3) comprises an observation mirror (30), a mirror upper seat (31), a mirror base (32) and a bearing seat (33); the bottom end of the mirror base (32) is connected to the upper part of the mounting plate (34) via the bearing seat (33), so that the mirror base (32) can be rotated on the upper part of the mounting plate (34) to adjust the angle; the mirror upper seat (31) is fixed to the upper end of the mirror base (32) via screws; and the observation mirror (30) is fixed between the mirror upper seat (31) and the mirror base (32).

5. The optical fiber end face defect observation and detection device according to claim 1, characterized in that: The lighting structure (5) comprises a lighting lamp (51), a tube sleeve (52), a soft bracket (53) and a bracket chassis (54); the bracket chassis (54) is fixed to the upper end of the lower base plate (41); the bottom end of the soft bracket (53) is connected and fixed to the bracket chassis (54); the tube sleeve (52) is fixed to the top end of the soft bracket (53); the lighting lamp (51) is fixed in the tube sleeve (52); and the soft bracket (53) can be manually bent to adjust the angle of the lighting lamp (51).

6. The optical fiber end face defect observation and detection device according to claim 1, characterized in that: The optical fiber kit (1) comprises an optical fiber (10) and an optical fiber connector (11), and the front portion of the optical fiber (10) is fixed in the optical fiber connector (11).

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