Medical laser fiber core diameter end face detection device

By using a medical laser fiber core diameter end-face inspection device, images of the fiber end face are captured using a microscope and a CDD camera, and then measured by computer. This solves the problem of unidentifiable fiber end-face defects and improves the accuracy of fiber inspection.

CN224066609UActive Publication Date: 2026-03-31ZHEJIANG YILIAN MEDICAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

In existing technologies, defects on the fiber end face cannot be identified by the naked eye, affecting the accuracy of fiber quality testing.

Method used

A medical laser fiber core diameter end-face inspection device is used, including a microscope, CDD camera, display and cold light source. The microscope's magnification function and the CDD camera take pictures of the fiber end face. Combined with computer measurement of fiber diameter, fiber end face defects are found and measured.

Benefits of technology

It enables clear visualization and accurate measurement of fiber end-face defects, improving the accuracy of fiber optic testing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a medical laser optical fiber core diameter end face detection device, and aims to provide a medical laser optical fiber core diameter end face detection device which is beneficial to finding optical fiber end face defects. A mounting rack; the microscope is detachably connected to the mounting frame, one end of the microscope is an eyepiece end, and the other end of the microscope is an objective lens end; the CDD camera is detachably mounted on the eyepiece end of the microscope; the display is electrically connected with the CDD camera; one end of the optical fiber is detachably connected with the tool clamp, the other end of the optical fiber is provided with a connector, and the optical fiber is detachably connected with the objective lens end of the microscope through the connector; the cold light source is provided with a light transmitting bundle, one end of the light transmitting bundle is fixedly connected with the cold light source, and the other end of the light transmitting bundle is detachably connected with the tool clamp and corresponds to one end of the optical fiber. The beneficial effect of the utility model is that the defect problem of the end face of the optical fiber can be easily found.
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Description

Technical Field

[0001] This utility model relates to the technical field of medical laser fiber core diameter end face detection device, and in particular to a medical laser fiber core diameter end face detection device. Background Technology

[0002] As an indispensable part of modern communication systems, optical fiber's quality and performance directly affect the stability and efficiency of the entire communication network. Therefore, optical fiber testing is a crucial step in ensuring the normal operation of optical fiber systems. The main aspects of optical fiber testing include tensile strength, mass, characteristics, composition, and mechanical properties.

[0003] Since fiber optic end faces are prone to defects such as pits, dirt, or gaps, which can easily affect the quality of the fiber, and these problems are often not visible to the naked eye, fiber optic end face inspection is an important part of fiber optic testing. Utility Model Content

[0004] This invention aims to overcome the shortcomings of existing technologies where defects at the fiber end face cannot be identified by the naked eye, and provides a medical laser fiber core diameter end face detection device that facilitates the detection of fiber end face defects.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A medical laser fiber core diameter end face detection device, comprising:

[0007] Tooling and fixtures;

[0008] Mounting rack;

[0009] The microscope is detachably connected to the mounting bracket, with one end of the microscope being the eyepiece end and the other end being the objective lens end;

[0010] A CDD camera is detachably mounted on the eyepiece end of the microscope;

[0011] The display is electrically connected to the CDD camera;

[0012] An optical fiber, one end of which is detachably connected to the tooling fixture, and the other end of which is provided with a connector, wherein the optical fiber is detachably connected to the objective lens end of the microscope through the connector;

[0013] A cold light source is provided, with a beam guide on it. One end of the beam guide is fixedly connected to the cold light source, and the other end is detachably connected to the fixture and corresponds to one end of the optical fiber. The connector type is SMA905. The cold light source conducts light through the beam guide, causing the light to illuminate one end of the optical fiber, and then conducts it through the optical fiber to the connector, allowing the light signal to be transmitted to the microscope. A CDD camera takes an image of the optical fiber end face through the eyepiece of the microscope and transmits it to a display. Through the magnification function of the microscope, the condition of the optical fiber end face can be clearly displayed on the display, thereby facilitating the detection of defects in the optical fiber end face. At the same time, the diameter of the optical fiber can be accurately measured by a computer, which helps to improve the accuracy of optical fiber detection.

[0014] Preferably, the mounting bracket includes a base with a column on it. The column is perpendicular to and fixedly connected to the base. A connecting seat is provided on the column. One end of the connecting seat is fitted onto the column, and the connecting seat is slidably connected to the column and can be locked. The other end of the connecting seat is detachably connected to the microscope. The microscope and the column are parallel to each other. When installing the microscope onto the mounting bracket, first, the connecting seat is fitted onto the column and moved to a suitable position and locked to achieve a preliminary adjustment of the microscope's height. Then, the microscope is installed onto the connecting seat. Installation and disassembly are convenient and quick.

[0015] Preferably, the connecting block includes a fixing block and a connecting block. One side of the fixing block has a through hole that matches the column. The fixing block is fitted onto the column through the through hole. The fixing block has a locking screw perpendicular to the column, and the locking screw is threadedly connected to the fixing block. One end of the locking screw is located inside the through hole and contacts the side wall of the column, while the other end of the locking screw is fixed with a hand-tightening cap and is suspended outside the through hole. One side of the connecting block is slidably connected to the corresponding side of the fixing block and can be locked. The corresponding side of the connecting block is detachably connected to the microscope. After the connecting block is fitted onto the column through the through hole and moved to a suitable height, it is locked by hand-tightening the locking screw to prevent it from sliding down, thus achieving initial adjustment of the microscope's height. When the microscope is mounted on the connecting block, the connecting block and the fixing block slide vertically and are locked, facilitating secondary fine-tuning of the microscope's height.

[0016] Preferably, one side of the connecting block is provided with a locking block, one side of which is fixedly connected to the connecting block. The side wall of the fixed block has a matching slot for the locking block. The connecting block is engaged with the fixed block via the matching slot and slides vertically with it. A rack is fixed to the opposite side of the locking block. The bottom of the slot has a sliding groove matching the rack. A screw that meshes with the rack passes through the fixed block. Both ends of the screw are damped and rotatably connected to the fixed block. An adjustment knob is fixed to the end of the screw. The connecting block's engagement with the fixed block via the matching slot ensures the microscope's secure and stable installation. For secondary fine-tuning of the microscope's height, after the microscope is mounted and fixed on the connecting block, the operator rotates the adjustment knob to rotate the screw, which, through its meshing with the rack, moves the connecting block along the height direction. This operation is time-saving and labor-saving.

[0017] Preferably, the system also includes a card plate on which the optical fiber is wound. Wrapping the optical fiber on the card plate facilitates the storage and organization of the optical fiber.

[0018] Preferably, the tooling fixture includes a base plate with an L-shaped clamping block on it. One side of the clamping block is detachably connected to the base plate and has a positioning frame. The positioning frame is detachably connected to the clamping block, the beam guide is detachably connected to the positioning frame, and the optical fiber is detachably connected to the other side of the clamping block. This design facilitates flexible adjustment of the position of the beam guide's end to correspond with the end of the optical fiber.

[0019] The beneficial effects of this invention are: it facilitates the discovery of defects at the end face of optical fibers; at the same time, it allows for precise measurement of the diameter of the optical fiber using a computer, thereby improving the accuracy of optical fiber detection; the microscope is easy and quick to install and disassemble; and the microscope height and position are easily adjustable. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 yes Figure 1 Enlarged view of the structure at point A in the middle;

[0022] Figure 3 This is a structural diagram of the mounting bracket;

[0023] Figure 4 yes Figure 3 Top view;

[0024] Figure 5 yes Figure 3 A cross-sectional view of BB.

[0025] In the diagram: 1. Tooling fixture, 2. Mounting bracket, 3. Microscope, 4. CDD camera, 5. Monitor, 6. Fiber optic cable, 7. Connector, 8. Cold light source, 9. Beam guide, 10. Base, 11. Column, 12. Connecting seat, 13. Fixing block, 14. Connecting block, 15. Through hole, 16. Locking screw, 17. Hand-tightening cap, 18. Clamping block, 19. Clamping slot, 20. Rack, 21. Slide groove, 22. Screw, 23. Adjustment knob, 24. Clamping plate, 25. Base plate, 26. Clamping block, 27. Positioning bracket. Detailed Implementation

[0026] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit this application or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0027] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0028] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of components illustrated in these embodiments do not limit the scope of this application. For ease of illustration, spatial relative terms such as “upper,” “lower,” “left,” and “right” are used in the embodiments to describe the relationship of one element or feature shown in the figures relative to another element or feature. It should be understood that, in addition to the orientations shown in the figures, spatial terms are intended to include different orientations of the device in use or operation. For example, if the device in the figures is inverted, an element described as being “below” other elements or features would be fixed “upper” to other elements or features. Thus, the exemplary term “lower” can include both upper and lower orientations. The device may be fixed in other ways (rotated 90 degrees or located in other orientations), and the spatial relative descriptions used herein can be interpreted accordingly. It should also be understood that, for ease of description, the dimensions of the various parts shown in the figures are not drawn to actual scale. Techniques, processes, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, processes, and equipment should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limiting. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it need not be discussed further in subsequent figures.

[0029] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0030] like Figure 1 and Figure 2 In the embodiments described, a medical laser fiber core diameter end face detection device includes a fixture 1; a mounting frame 2; a microscope 3 detachably connected to the mounting frame 2, one end of the microscope 3 being an eyepiece end and the other end being an objective lens end; a CDD camera 4 detachably mounted on the eyepiece end of the microscope 3; a display 5 electrically connected to the CDD camera 4; an optical fiber 6, one end of which is detachably connected to the fixture 1, and the other end of which is provided with a connector 7, through which the optical fiber 6 is detachably connected to the objective lens end of the microscope 3; a cold light source 8, on which a beam guide 9 is provided, one end of which is fixedly connected to the cold light source 8, and the other end of which is detachably connected to the fixture 1 and corresponds to one end of the optical fiber 6.

[0031] like Figure 1 , Figure 2 and Figure 3As shown, the mounting bracket 2 includes a base 10, on which a column 11 is provided. The column 11 is perpendicular to the base 10 and fixedly connected to the base 10. A connecting seat 12 is provided on the column 11. One end of the connecting seat 12 is sleeved on the column 11. The connecting seat 12 and the column 11 are slidably connected up and down and can be locked. The other end of the connecting seat 12 is detachably connected to the microscope 3. The microscope 3 is parallel to the column 11.

[0032] like Figure 2 , Figure 4 and Figure 5 As shown, the connecting base 12 includes a fixing block 13 and a connecting block 14. One side of the fixing block 13 is provided with a through hole 15 that matches the column 11. The fixing block 13 is sleeved on the column 11 through the through hole 15. The fixing block 13 is provided with a locking screw 16 that is perpendicular to the column 11. The locking screw 16 is threadedly connected to the fixing block 13. One end of the locking screw 16 is located inside the through hole 15 and contacts the side wall of the column 11. The other end of the locking screw 16 is fixed with a hand-tightening cap 17 and is suspended outside the through hole 15. One side of the connecting block 14 is slidably connected to the other side of the fixing block 13 and can be locked. The other side of the connecting block 14 is detachably connected to the microscope 3.

[0033] A locking block 18 is provided on one side of the connecting block 14. One side of the locking block 18 is fixedly connected to the connecting block 14. A locking groove 19 matching the locking block 18 is provided on the side wall of the fixing block 13. The connecting block 14 is locked onto the fixing block 13 by the locking block 18 matching the locking groove 19 and is slidably connected to the fixing block 13. A rack 20 is fixed on the other side corresponding to the locking block 18. A sliding groove 21 matching the rack 20 is provided at the bottom of the locking groove 19. A screw 22 that meshes with the rack 20 is provided through the fixing block 13. Both ends of the screw 22 are damped and rotatably connected to the fixing block 13. An adjustment knob 23 is fixed at the end of the screw 22.

[0034] like Figure 1 As shown, it also includes a clamping plate 24, with the optical fiber 6 wound around the clamping plate 24. The tooling fixture 1 includes a base plate 25, on which an L-shaped clamping block 26 is provided. One side of the clamping block 26 is detachably connected to the base plate 25 and is provided with a positioning frame 27. The positioning frame 27 is detachably connected to the clamping block 26. The beam guide 9 is detachably connected to the positioning frame 27. The optical fiber 6 is detachably connected to the other side of the clamping block 26.

[0035] The connector 7 is model SMA905; the cold light source 8 conducts light through the beam guide 9, so that the light shines on one end of the optical fiber 6, and then conducts it through the optical fiber 6 to the connector 7, so that the light signal is transmitted to the microscope 3; the CDD camera 4 takes an image of the end face of the optical fiber 6 through the eyepiece end of the microscope 3 and transmits it to the display 5. Through the magnification function of the microscope 3, the condition of the end face of the optical fiber 6 can be clearly displayed on the display 5, thereby achieving the purpose of facilitating the discovery of defects in the end face of the optical fiber 6; at the same time, the diameter of the optical fiber 6 can be accurately measured by the computer, which helps to improve the detection accuracy of the optical fiber 6.

[0036] When installing the microscope 3 onto the mounting bracket 2, first, fit the connecting seat 12 onto the column 11 through the through hole 15 and move it to a suitable height position. Then, lock it by hand-tightening the locking screw 16 to prevent the connecting seat 12 from sliding down, thus achieving a preliminary adjustment of the microscope 3's height position. Then, simply install the microscope 3 onto the connecting seat 12; installation and disassembly are convenient and quick. When installing the microscope 3 onto the connecting block 14, the connecting block 14 and the fixing block 13 slide vertically and are locked, facilitating a secondary fine-tuning of the microscope 3's height position. For a secondary fine-tuning of the microscope 3's height position, after the microscope 3 is installed and fixed on the connecting block 14, the operator rotates the adjusting knob 23 to rotate the screw, which, through its meshing with the rack 20, moves the connecting block 14 along the height direction. This operation is time-saving and labor-saving.

[0037] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A medical laser fiber core diameter end face detecting device, characterized by, The utility model relates to a kind of microscopes, including: Tool fixture (1); Mounting frame (2); Microscope (3), detachably connected on the mounting frame (2), one end of the microscope (3) is eyepiece end, the other end of the microscope (3) is objective end; CDD camera (4), detachably installed on the eyepiece end of the microscope (3); Display (5), electrically connected with the CDD camera (4); Optical fiber (6), one end of the optical fiber (6) is detachably connected with the tool fixture (1), the other end of the optical fiber (6) is provided with connector (7), and the optical fiber (6) is detachably connected with the objective end of the microscope (3) through the connector (7); Cold light source (8), the cold light source (8) is provided with light guide beam (9), one end of the light guide beam (9) is fixedly connected with the cold light source (8), and the other end of the light guide beam (9) is detachably connected with the tool fixture (1) and corresponds to one end of the optical fiber (6).

2. The medical laser fiber core diameter end face detection device according to claim 1, characterized in that, The mounting frame (2) includes base (10), the base (10) is provided with stand (11), the stand (11) is perpendicular to base (10) and is fixedly connected with base (10), the stand (11) is provided with connecting seat (12), one end of the connecting seat (12) is sleeved on the stand (11), the connecting seat (12) is slidably connected with the stand (11) and can be locked, the other end of the connecting seat (12) is detachably connected with the microscope (3), and the microscope (3) is parallel to the stand (11).

3. The medical laser fiber core diameter end face detection device according to claim 2, characterized in that, The connecting seat (12) includes fixed block (13) and connecting block (14), one side of the fixed block (13) is provided with through hole (15) matched with the stand (11), the fixed block (13) is sleeved on the stand (11) through the through hole (15), the fixed block (13) is provided with locking screw (16) perpendicular to the stand (11), the locking screw (16) is threadedly connected with the fixed block (13), one end of the locking screw (16) is located in the through hole (15) and is in contact with the side wall of the stand (11), the other end of the locking screw (16) is fixed with hand screw cap body (17) and is in suspended state outside the through hole (15), one side of the connecting block (14) is slidably connected with the other side of the fixed block (13) and can be locked, and the other side of the connecting block (14) is detachably connected with the microscope (3).

4. The medical laser fiber core diameter end face detection device according to claim 3, characterized in that, One side of the connecting block (14) is provided with a clamping block (18), one side of the clamping block (18) is fixedly connected with the connecting block (14), the side wall of the fixed block (13) is provided with a clamping groove (19) matched with the clamping block (18), the connecting block (14) is matched and clamped on the fixed block (13) through the clamping block (18) and the clamping groove (19), and is slidably connected with the fixed block (13) up and down, the other side of the clamping block (18) is fixedly provided with a rack (20), the bottom of the clamping groove (19) is provided with a sliding groove (21) matched with the rack (20), the fixed block (13) is provided with a screw rod (22) penetratingly arranged and engaged with the rack (20), both ends of the screw rod (22) are dampingly rotatably connected with the fixed block (13), and the end of the screw rod (22) is fixedly provided with an adjusting knob (23).

5. The device for detecting the end face of the core of a medical laser fiber according to claim 1, 2, 3 or 4, characterized in that, Further comprising a clamping plate (24), the optical fiber (6) is wound on the clamping plate (24).

6. The device for detecting the end face of the core of a medical laser fiber according to claim 1, 2, 3 or 4, characterized in that, The tool clamp (1) comprises a bottom plate (25), the bottom plate (25) is provided with an L-shaped clamping block (26), one side of the clamping block (26) is detachably connected with the bottom plate (25) and is provided with a positioning frame (27), the positioning frame (27) is detachably connected with the clamping block (26), the light guide beam (9) is detachably connected with the positioning frame (27), and the optical fiber (6) is detachably connected with the other side of the clamping block (26).