Optical fiber screening equipment with protection structure

Abstract

The utility model discloses optical fiber screening equipment with a protection structure, which comprises a workbench, the workbench is fixedly connected with a protection side plate and a protection back plate, the outer surfaces of the protection side plate and the protection back plate are provided with observation windows, the upper part of the protection side plate is fixedly connected with a protection top plate, and the upper part of the protection top plate is fixedly connected with the protection back plate. A plurality of heat dissipation grating openings are formed in the outer surface of the protective top plate, a door plate frame is fixedly connected to the front end of the workbench, hinges are fixedly connected to the outer surface of the door plate frame and the outer surface of the door plate frame, and the hinges are hinged to the protective door. The splashing risk possibly caused by optical fiber breakage or equipment abnormity in the testing process is effectively isolated, and the safety of operators is guaranteed. The stable installation mode ensures the operation stability of the equipment, avoids the influence of external interference on the test precision, and integrally gives consideration to the characteristics of high-strength protection and flexible operation.

Description

Technical Field

[0001] This utility model relates to the fields of mechanical manufacturing and optical fiber equipment technology, and in particular to an optical fiber screening device with a protective structure. Background Technology

[0002] Fiber optic technology emerged in the 20th century with breakthroughs in lasers and low-loss materials. After its commercialization, fiber optics gradually replaced copper cables as the backbone of communications. However, fiber optics are susceptible to breakage in complex environments due to long-term mechanical stress; even micron-level defects can cause breakage. Therefore, it is necessary to screen for high-strength, low-defect fibers. Fiber optic screening equipment is a specialized device used during fiber optic production to detect and reject fibers that do not meet standards. It ensures that the mechanical strength and geometric dimensions of the fiber optics meet requirements through rigorous testing, thereby guaranteeing the quality and reliability of fiber optic products.

[0003] Due to the lack of protective structures, rotating parts or precision clamps may generate flying fragments during fiber optic pull-out tests in the event of sudden breakage. The lack of explosion-proof covers or safety interlock devices can easily lead to operator injury, and the open structure is susceptible to dust contamination in industrial environments, which in particular affects the cleanliness of the fiber end face and causes additional loss measurement errors.

[0004] After searching, it was found that the technical solution provided by the utility model with application number "CN202110572307.9 A fiber optic quality inspection and screening device, system and quality inspection and screening method" also has the above-mentioned problems. Utility Model Content

[0005] The purpose of this invention is to provide an optical fiber screening device with a protective structure, which solves the problems of potential flying fragments generated during optical fiber breakage tests when rotating parts or precision clamps suddenly break, the lack of explosion-proof covers or safety interlock devices that can easily lead to operator injury, and the open structure that is easily contaminated by dust in industrial environments, especially affecting the cleanliness of the optical fiber end face and causing additional loss measurement errors.

[0006] To achieve the above objectives, a fiber optic screening device with a protective structure is provided, including a workbench. The workbench is fixedly connected to a protective side plate and a protective back plate. Both the protective side plate and the protective back plate have observation windows on their outer surfaces. A protective top plate is fixedly connected above the protective side plate. The outer surface of the protective top plate is provided with a plurality of heat dissipation grilles.

[0007] A door frame is fixedly connected to the front end of the workbench. A hinge is fixedly connected to the outer surface of the door frame and is hinged to the protective door.

[0008] According to the optical fiber screening device with a protective structure, a wire feeding bracket is fixed on the workbench surface, and a wire feeding rod is rotatably connected between the wire feeding brackets.

[0009] According to the fiber optic screening device with a protective structure, a motor bracket is fixedly connected to the bracket on the right side, and a second motor is fixedly connected to the motor bracket. The output end of the second motor is fixedly connected to a circular baffle.

[0010] According to the fiber optic screening device with a protective structure, three sliding rods are fixedly connected to the workbench, sliding blocks are slidably connected between the sliding rods, circular baffles are fixedly connected to the extended sections of the sliding blocks, test rollers are fixedly connected between the circular baffles, a screw is rotatably connected to the middle side of the workbench and the top plate, a motor is fixedly connected to one end of the top of the top plate, the output end of the motor is fixedly connected to the screw, and the sliding blocks and the screw cooperate with each other.

[0011] According to the fiber optic screening device with a protective structure, the test roller has an embedded groove on which a thin-film pressure sensor is installed.

[0012] According to the optical fiber screening device with a protective structure, the roller is provided with a plurality of optical fibers, the front end of the optical fibers is wound around the wire feeding rod in a plurality of turns, and an anti-slip pad is fixedly connected to the lower end of the base plate.

[0013] The above-mentioned solution has the following beneficial effects:

[0014] 1. This patent utilizes a combination structure of protective side panels, back panels, and top panels to create a closed protective space, effectively isolating the risk of splashing that may occur during testing due to fiber optic cable breakage or equipment malfunction, thus ensuring operator safety. Its robust installation method ensures stable equipment operation and avoids the impact of external interference on testing accuracy, combining high-strength protection with flexible operation.

[0015] 2. This patented system uses a motor to regulate the lifting and lowering of a sliding block, precisely adjusting the tensile stress of the optical fiber to simulate different working conditions. A second motor drives rollers to pull the optical fiber at a uniform speed. Combined with real-time dynamic monitoring by an embedded thin-film pressure sensor, the tensile strength data of each segment of the optical fiber can be acquired simultaneously. This testing system significantly improves efficiency and data reliability. Furthermore, the opening and closing design of the protective door and the fixing structure of the wire feed rod simplify the optical fiber clamping process, achieving high efficiency and convenience in the testing process.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1This is an overall schematic diagram of an optical fiber screening device with a protective structure according to the present invention;

[0019] Figure 2 This is a front view of the workbench of an optical fiber screening device with a protective structure according to this utility model;

[0020] Figure 3 This is a cross-sectional view of an optical fiber screening device with a protective structure according to the present invention.

[0021] Figure 4 This is a rear view of an optical fiber screening device with a protective structure according to the present invention.

[0022] Figure 5 This is a front view of an optical fiber screening device with a protective structure according to the present invention.

[0023] Legend:

[0024] 1. Heat dissipation grille; 2. Protective top plate; 3. Protective side plate; 4. Observation window; 5. Hinge; 6. Protective door; 7. Top plate; 8. Roller; 9. Motor 1; 10. Fiber optic cable; 11. Circular baffle; 12. Motor 2; 13. Motor bracket; 14. Test roller; 15. Screw; 16. Slide rod; 17. Bracket; 18. Workbench; 19. Wire feed bracket; 20. Wire feed rod; 21. Thin-film pressure sensor; 22. Embedded groove; 23. Base plate; 24. Anti-slip pad; 25. Protective back plate; 26. Door frame; 27. Sliding block. Detailed Implementation

[0025] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0026] Reference Figure 1-5 This utility model embodiment provides an optical fiber screening device with a protective structure, which includes a workbench 18. The workbench 18 is fixedly connected to a protective side plate 3 and a protective back plate 25. Both the protective side plate 3 and the protective back plate 25 have observation windows 4 on their outer surfaces. A protective top plate 2 is fixedly connected above the protective side plate 3. The outer surface of the protective top plate 2 is provided with a plurality of heat dissipation grilles 1.

[0027] A door frame 26 is fixedly connected to the front end of the workbench 18. A protective door 6 is provided on the outer surface of the door frame 26, and a hinge 5 is fixedly connected to the outer surface of the door frame 26. The hinge 5 is hinged to the protective door 6. When the equipment is running, the protective side plate 3 and the protective back plate 25 form a semi-enclosed cavity. The observation window 4 is made of high-strength acrylic material, which allows real-time monitoring of the fiber optic winding status under explosion-proof conditions. The heat dissipation grille 1 and the internal air duct of the protective top plate 2 form a negative pressure heat dissipation, while the magnetically sealed protective door 6 isolates external dust. Operators perform equipment maintenance by opening the protective door 6, which automatically seals when closed.

[0028] A wire feeding bracket 19 is fixed on the workbench 18, and a wire feeding rod 20 is rotatably connected between the wire feeding brackets 19. The optical fiber 10 is pulled and fed by the wire feeding rod 20. The surface of the wire feeding rod 20 is treated with a nano-ceramic coating, and bidirectional constant speed rotation is achieved through a synchronous gear set between the wire feeding brackets 19 and the rollers 8. Its diameter is designed with fluid dynamics optimization to effectively reduce air turbulence when the optical fiber 10 passes through and prevent micro-bending loss caused by high-frequency vibration.

[0029] Three supports 17 are fixedly connected to the workbench 18. Each support 17 is rotatably connected to a circular baffle 11. Rollers 8 are fixedly connected between the circular baffles 11. The rollers 8 rotate around the axis under the support of the circular baffles 11. The optical fibers 10 are evenly distributed along the rollers 8. A ceramic coating is added to reduce the coefficient of friction and ensure that the optical fibers 10 are not twisted or scratched during the screening process.

[0030] The right bracket 17 is fixedly connected to the motor bracket 13, and the motor bracket 13 is fixedly connected to the motor 12. The output end of the motor 12 is fixedly connected to the circular baffle 11. The motor 12 drives the circular baffle 11 to rotate through the synchronous belt.

[0031] Three slide rods 16 are fixedly connected to the workbench 18. Slide blocks 27 are slidably connected between the slide rods 16. Circular baffles 11 are fixedly connected to the extended section of the slide blocks 27. Test rollers 14 are fixedly connected between the circular baffles 11. A screw 15 is rotatably connected to one side of the middle of the workbench 18 and the top plate 7. A motor 9 is fixedly connected to one end of the top of the top plate 7. The output end of the motor 9 is fixedly connected to the screw 15. The slide blocks 27 and the screw 15 cooperate with each other. The slide rods 16 and the screw 15 form a high-precision linear motion system. The slide blocks 27 move smoothly through a low-friction bushing and a ball nut. The motor 9 drives the screw 15 to rotate, causing the slide blocks 27 to move vertically along the slide rods 16. The spatial angle of the circular baffles 11 is adjusted by a universal joint, so that the contact surface between the rollers 8 and the optical fiber 10 is adaptively aligned, eliminating the test error caused by the offset of the optical fiber 10.

[0032] The test roller 14 has an embedded groove 22 inside, and a thin-film pressure sensor 21 is installed on the embedded groove 22. When the optical fiber 10 contacts the roller 8, the pressure is transmitted to the elastic silicone pad through the ceramic layer. The thin-film pressure sensor 21 converts the deformation into an electrical signal. The PLC identifies abnormal diameter or surface defects of the optical fiber 10 based on the pressure fluctuation, triggers an alarm and marks the defective section.

[0033] The roller 8 is provided with several optical fibers 10. The front end of the optical fiber 10 is wound around the wire feeding rod 20 in several turns. After the optical fiber 10 is wound out from the wire feeding rod 20, it enters the roller 8 through the correction path.

[0034] The bottom of the workbench 18 is fixedly connected to the base plate 23, and the bottom of the base plate 23 is fixedly connected to the anti-slip pad 24. When the equipment is installed, the anti-slip pad 24 adheres to the ground through the deformation of the honeycomb structure, and the drainage trough drains liquid to prevent slipping and ensure the stability of the equipment operation.

[0035] Working principle: In use, the operator fixes the protective device, consisting of the protective side plate 3, the protective back plate 25, and the protective top plate 2, onto the workbench 18. The operator opens the front protective door 6, fixes the front end of the optical fiber 10 onto the feed rod 20, and winds the optical fiber 10 around the roller 8. At this time, motor 9 is turned on, causing the sliding block 27 to move up and down, which in turn moves the connected roller 8 up and down, causing a change in the tensile stress on the optical fiber. Motor 12 is then turned on, causing the connected roller 8 to roll, uniformly pulling the optical fiber. This works in conjunction with the thin-film pressure sensor embedded in the roller 8. The instrument tests the strength of different segments of optical fiber. The overall structure, consisting of protective side plate 3, protective back plate 25, and protective top plate 2, effectively ensures the safety of operators and the stability of equipment operation. With the adjustable motor drive system and the real-time monitoring function of the embedded thin-film pressure sensor, it can accurately simulate different tension environments and dynamically detect the tensile strength of each segment of the optical fiber, significantly improving testing efficiency and data reliability. At the same time, the modular design takes into account both ease of operation and equipment maintenance, and the overall process of optical fiber strength testing achieves high precision and high safety.

[0036] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. An optical fiber screening device with a protective structure, comprising: The workbench (18) is characterized in that the workbench (18) is fixedly connected with a protective side plate (3) and a protective back plate (25), and both the protective side plate (3) and the protective back plate (25) are provided with observation windows (4) on their outer surfaces. A protective top plate (2) is fixedly connected above the protective side plate (3), and a plurality of heat dissipation grilles (1) are provided on the outer surface of the protective top plate (2). The workbench (18) is fixedly connected to a door frame (26) at its front end. A protective door (6) is provided on the outer surface of the door frame (26). A hinge (5) is fixedly connected to the outer surface of the door frame (26). The hinge (5) is hinged to the protective door (6).

2. The optical fiber screening device with a protective structure according to claim 1, characterized in that, The workbench (18) has a wire feeding bracket (19) fixed on its surface, and a wire feeding rod (20) is rotatably connected between the wire feeding brackets (19).

3. The optical fiber screening device with a protective structure according to claim 1, characterized in that, Three supports (17) are fixedly connected to the workbench (18). Each support (17) is rotatably connected to a circular baffle (11), and each circular baffle (11) is fixedly connected to a roller (8).

4. The optical fiber screening device with a protective structure according to claim 3, characterized in that, The bracket (17) on the right side is fixedly connected to a motor bracket (13), and the motor bracket (13) is fixedly connected to a second motor (12). The output end of the second motor (12) is fixedly connected to a circular baffle (11).

5. The optical fiber screening device with a protective structure according to claim 1, characterized in that, Three sliding rods (16) are fixedly connected to the workbench (18). Sliding blocks (27) are slidably connected between the sliding rods (16). A circular baffle (11) is rotatably connected to the extended section of the sliding block (27). A test roller (14) is fixedly connected between the circular baffles (11). A screw (15) is rotatably connected to one side of the middle of the workbench (18) and the top plate (7). A motor (9) is fixedly connected to one end of the top of the top plate (7). The output end of the motor (9) is fixedly connected to the screw (15), and the sliding block (27) and the screw (15) cooperate with each other.

6. The optical fiber screening device with a protective structure according to claim 5, characterized in that, The test roller (14) has an embedded groove (22) inside, and a thin-film pressure sensor (21) is provided on the embedded groove (22).

7. The optical fiber screening device with a protective structure according to claim 3, characterized in that, The roller (8) is provided with a plurality of optical fibers (10), and the front end of the optical fibers (10) is wound around the wire feed rod (20) in a plurality of turns.

8. The optical fiber screening device with a protective structure according to claim 1, characterized in that, The workbench (18) is fixedly connected to a base plate (23) at its lower end, and an anti-slip pad (24) is fixedly connected to the lower end of the base plate (23).

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