Novel optical fiber bending resistance testing device

Abstract

The utility model discloses a novel optical fiber bending resistance testing device which comprises an internal platform. A reciprocating motion mechanism is arranged on the internal platform; the reciprocating motion mechanism comprises a gear motor, a ball screw, a linear guide rail sliding set and a main panel. One side of the gear motor is connected with a ball screw; linear guide rail sliding groups are arranged on two sides of the ball screw; a sliding block is arranged on the linear guide rail sliding group; a mounting bottom plate is connected to the sliding block; a vertical connecting plate is arranged at the upper end of the mounting bottom plate; the upper end of the vertical connecting plate is connected with an optical fiber bending mold fixing bottom plate; an optical fiber bending mold is placed on the optical fiber bending mold fixing bottom plate; a test optical fiber passes through the optical fiber bending mold; and one side of the test optical fiber is fixed on the optical fiber fixing seat, and the test optical fiber is connected with the optical fiber on-off tester. The device has the advantages of simple structure, low cost and the like, can obtain a precise measurement result, and provides an accurate test result for a production process. And a large number of defective products caused by inaccurate measurement are avoided, and the production cost is greatly saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a novel optical fiber bending resistance testing device belongs to optical fiber testing equipment technical field. BACKGROUND

[0002] Optical fiber communication technology has been widely used in modern communication networks due to its high bandwidth, low attenuation and anti-interference ability. The performance of optical fiber directly affects the quality and stability of data transmission. In practical applications, optical fiber often needs to be wired in different environments and is affected by various external forces, among which bending is a common physical phenomenon. Under normal circumstances, optical fiber can withstand a certain degree of bending without affecting its transmission performance. However, when the optical fiber is bent beyond its design limit, the optical signal inside the optical fiber will experience significant attenuation, which may cause signal distortion or complete loss, resulting in communication interruption.

[0003] The bending resistance of optical fiber is one of the important indicators affecting its practical application. Different types of optical fiber have different bending resistance, so it is particularly important to detect the bending resistance limit of optical fiber during production and application. Currently, there are various methods for testing the bending resistance of optical fiber on the market, including static bending test and dynamic bending test. These tests not only help manufacturers verify the quality of their products, but also provide users with reference on the performance of optical fiber in specific installation environments.

[0004] In order to improve the reliability and stability of optical fiber in practical application, it is particularly important to develop an effective detection device that can accurately measure the optical signal attenuation of optical fiber under different bending degrees. UTILITY MODEL CONTENT

[0005] In view of the problems existing in the prior art, the utility model provides a novel optical fiber bending resistance testing device to solve the above technical problems.

[0006] In order to achieve the above purpose, the utility model adopts the technical scheme of a novel optical fiber bending resistance testing device, which comprises an internal platform. A reciprocating movement mechanism is arranged on the internal platform. The reciprocating movement mechanism comprises a speed reducer, a ball screw, a linear guide rail slide group and a main panel. The speed reducer is connected with the ball screw on one side. The ball screw is provided with a linear guide rail slide group on both sides. A sliding block is arranged on the linear guide rail slide group. An installation bottom plate is connected with the sliding block. A vertical connecting plate is arranged on the upper end of the installation bottom plate. An optical fiber bending mold fixed bottom plate is connected with the upper end of the vertical connecting plate. An optical fiber bending mold is placed on the optical fiber bending mold fixed bottom plate. The optical fiber bending mold is used for testing optical fiber. The test optical fiber is fixed on an optical fiber fixed seat on one side. The test optical fiber is connected with an optical fiber on-off tester. The optical fiber on-off tester is used for real-time detection of the on-off condition of the test optical fiber.

[0007] Further, the central end of the main panel in the length direction is provided with a sliding groove for vertical connection plate reciprocating sliding in the groove, and the vertical connection plate drives the mounting plate to realize reciprocating motion through a speed reducer.

[0008] Further, the optical fiber bending mold comprises an upper mold and a lower mold; a cavity between the upper mold and the lower mold is a conical cavity, one side close to the optical fiber fixing base is a small-diameter taper hole, and the other side is a large-diameter taper hole, and the small-diameter taper hole is arranged according to the test optical fiber.

[0009] Further, the main panel is fixedly connected with an external platform frame below; and the external platform frame is arranged outside the internal platform. The whole is more simple and beautiful.

[0010] Further, the optical fiber bending mold is made of transparent acrylic material. The internal condition is convenient to observe.

[0011] Further, the optical fiber bending mold is provided with three, the three large-diameter taper holes of the three molds are consistent in size, the three small-diameter taper holes are sequentially reduced in diameter from left to right, and the optical fiber bending mold located on the left side is close to the optical fiber fixing base. Through the above technical scheme, the optical fiber bending limit under multiple different conditions can be tested in the same test group.

[0012] Further, the test optical fiber is formed by folding into two sections, the adjacent part one of the bending position of the two sections is arranged in the optical fiber bending mold; and the adjacent part two of the end of the two sections is fixed on the optical fiber fixing base.

[0013] Further, a boss clamping structure is arranged between the upper mold and the lower mold, the boss clamping structure is used for preventing the upper mold and the lower mold from moving forward and backward, the boss clamping structure comprises a lower groove at the lower end face of the upper mold and an upper boss at the upper end face of the lower mold, and the lower groove is fixedly connected with the upper boss.

[0014] The device can test the bending of the optical fiber in the taper holes of different sizes, thereby accurately measuring the minimum bending resistance diameter of the optical fiber. By monitoring the on-off state of the optical fiber in real time, the performance limit of the optical fiber in the bending process can be found in time, and the accuracy of the test result is ensured. The device is simple in design, and adopts a reciprocating moving mechanism driven by a speed reducer, so that the overall structure is compact and easy to operate. The user can easily adjust the bending degree of the optical fiber to adapt to different test requirements. By accurately measuring the bending resistance of the optical fiber, the device can provide accurate test results for the production process, thereby avoiding production problems caused by inaccurate measurement, reducing production loss, and improving production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic diagram of the utility model;

[0016] Figure 2 is a structural schematic front view of the utility model;

[0017] Figure 3 is a structural schematic side view of the utility model;

[0018] Figure 4 is a structural schematic diagram of the optical fiber bending mold of the utility model;

[0019] Figure 5 is a structural schematic sectional view of the optical fiber bending mold of the utility model;

[0020] Figure 6 is a structural schematic sectional view of the optical fiber bending mold of the utility model.

[0021] In the figure: 1, optical fiber bending mold, 1-1, upper mold, 1-2, lower mold, 1-3, small-diameter taper hole, 1-4, large-diameter taper hole, 2, optical fiber bending mold fixed bottom plate, 3, main panel, 31, sliding groove, 4, test optical fiber, 41, adjacent part one, 42, end part, 43, adjacent part two, 5, optical fiber fixing seat, 6, optical fiber on-off tester, 7, speed reducer motor, 8, ball screw, 9, linear guide rail sliding group, 10, internal platform, 11, mounting bottom plate, 12, vertical connecting plate. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following through the drawing and example, to the utility model carries out further detailed description. But it should be understood, the specific embodiments described here are only used to explain the utility model, and are not used to limit the scope of the utility model.

[0023] Unless otherwise defined, all technical and scientific terms used herein are same as the meanings understood by the person skilled in the art belonging to the technical field of the utility model, and the terms used in the specification of the utility model in the present application are only for the purpose of describing the specific embodiments, and are not intended to limit the utility model.

[0024] As Figure 1 , Figure 2 and Figure 3As shown, a novel optical fiber bending test device, comprising an internal platform 10; the internal platform 10 is provided with a reciprocating mechanism; the reciprocating mechanism comprises a speed reducer motor 7, a ball screw 8, a linear guide rail sliding group 9 and a main panel 3; the speed reducer motor 7 is connected with the ball screw 8 on one side; the ball screw 8 is provided with a linear guide rail sliding group 9 on both sides; the linear guide rail sliding group 9 is provided with a sliding block; the sliding block is connected with a mounting bottom plate 11; the mounting bottom plate 11 is provided with a vertical connecting plate 12 at the upper end; the vertical connecting plate 12 is connected with an optical fiber bending mold fixed bottom plate 2 at the upper end; the optical fiber bending mold fixed bottom plate 2 is placed with an optical fiber bending mold 1; the optical fiber bending mold 1 is used for testing the optical fiber 4; the optical fiber 4 is fixed on the optical fiber fixed seat 5 on one side, and the optical fiber 4 is connected with an optical fiber on-off tester 6, which is used for real-time detection of the on-off condition of the test optical fiber 4.

[0025] Preferably, the main panel 3 is provided with a sliding groove 31 at the center of the length direction, which is used for the reciprocating sliding of the vertical connecting plate 12 in the groove, and the vertical connecting plate 12 drives the mounting bottom plate 11 to realize reciprocating motion through the speed reducer motor 7.

[0026] Preferably, referring to Figure 4 and Figure 5 , the optical fiber bending mold 1 comprises an upper mold 1-1 and a lower mold 1-2; the cavity between the upper mold 1-1 and the lower mold 1-2 is a conical cavity, the side close to the optical fiber fixed seat 5 is a small-diameter taper hole 1-3, and the other side is a large-diameter taper hole 1-4, and the small-diameter taper hole 1-3 is set according to the test optical fiber 4.

[0027] Preferably, the main panel 3 is fixedly connected with an external platform frame below; the external platform frame is arranged outside the internal platform 10.

[0028] Preferably, the optical fiber bending mold 1 is made of transparent acrylic material.

[0029] Preferably, the optical fiber bending mold 1 is provided with three, the three large-diameter taper holes 1-4 of the three molds are consistent in size, the three small-diameter taper holes 1-3 decrease in diameter from left to right, and the optical fiber bending mold 1 on the left side is close to the optical fiber fixed seat 5.

[0030] Preferably, the test optical fiber 4 is folded to form left and right two lines, and the adjacent part one 41 of the bending position of the left and right two lines is arranged in the optical fiber bending mold 1; the adjacent part two 43 of the end part 42 of the left and right two lines is fixed on the optical fiber fixed seat 5.

[0031] Preferably, the upper die 1-1 and the lower die 1-2 are provided with a boss clamping structure for preventing the upper die 1-1 and the lower die 1-2 from moving forward and backward, the boss clamping structure comprising a lower groove on the lower end surface of the upper die 1-1 and an upper boss on the upper end surface of the lower die 1-2, and the lower groove and the upper boss are matched and fixed.

[0032] Working principle:

[0033] The test optical fiber is clamped and fixed on the clamp on the fixed seat through the way of folding and passing through three (the number is not fixed) optical fiber bending molds with tapered holes. The mold and the installation base plate are installed on the sliding table of the ball screw, and the sliding table can reciprocate along the linear guide rail. When testing is needed, the optical fiber bending mold is driven by the speed reducer motor to move towards the principle optical fiber fixing seat, so that the optical fiber can slowly pass through the tapered hole mold.

[0034] The mold is placed on the moving platform and moves to the right, and the test optical fiber passes through each mold large-diameter taper 1-4 and small-diameter taper hole 1-3 in turn. If the test optical fiber is clamped and broken in the mold cavity, the platform will stop moving and the minimum diameter of the optical fiber can be tested.

[0035] During the whole test process, the on-off state of the optical fiber is detected in real time by the optical fiber tester. When the bending degree of the optical fiber exceeds the minimum bending hole diameter that it can withstand, the signal transmission of the optical fiber will be disconnected. Therefore, by replacing molds with different hole diameters, the minimum bending hole diameter of the optical fiber can be tested.

[0036] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A new and improved fiber optic bend test apparatus, comprising: The utility model provides a kind of optical fiber bending mould test device, including internal platform (10);Reciprocating mechanism is provided on the internal platform (10);The reciprocating mechanism includes reduction motor (7), ball screw (8), linear guide rail slide group (9) and main panel (3);Reduction motor (7) one side is connected ball screw (8);Ball screw (8) both sides are provided linear guide rail slide group (9);Linear guide rail slide group (9) is provided with slider;The slider is connected with mounting base plate (11);Mounting base plate (11) upper end is provided with vertical connecting plate (12);Vertical connecting plate (12) upper end is connected with optical fiber bending mould fixed base plate (2);Optical fiber bending mould fixed base plate (2) is placed with optical fiber bending mould (1);Optical fiber bending mould (1) is used for test optical fiber (4) to pass through;Test optical fiber (4) one side is fixed in optical fiber fixed seat (5), and the test optical fiber (4) is connected with optical fiber on-off tester (6), and the optical fiber on-off tester (6) is used for real-time detection pass and off situation to test optical fiber (4).

2. A novel fiber optic bend test apparatus as claimed in claim 1, wherein, The main panel (3) is provided with a sliding groove (31) at the center of the length direction, and the sliding groove (31) is used for the reciprocating sliding of the vertical connecting plate (12) in the groove. The vertical connecting plate (12) drives the mounting base plate (11) to realize reciprocating motion through the reduction motor (7).

3. The novel fiber bend test device of claim 1, wherein, The optical fiber bending mould (1) includes an upper mould (1-1) and a lower mould (1-2). The cavity between the upper mould (1-1) and the lower mould (1-2) is a conical cavity. The side close to the optical fiber fixed seat (5) is a small-diameter taper hole (1-3), and the other side is a large-diameter taper hole (1-4). The small-diameter taper hole (1-3) is set according to the test optical fiber (4).

4. The novel fiber bend test device of claim 1, wherein, The main panel (3) is fixedly connected with an external platform frame below.

5. The novel fiber bend test device of claim 1, wherein, The optical fiber bending mould (1) is made of transparent acrylic material.

6. A new fiber optic bend test apparatus as claimed in claim 1 or 3, wherein, The optical fiber bending mould (1) is provided with three, and the three large-diameter taper holes of the three moulds are consistent in size. The three small-diameter taper holes decrease in diameter from left to right. The optical fiber bending mould (1) on the left is close to the optical fiber fixed seat (5).

7. The novel fiber bend test device of claim 1, wherein, The test optical fiber (4) is folded into two sections, and the adjacent part one (41) of the bending position of the two sections is arranged in the optical fiber bending mould (1). The adjacent part two (43) of the end part (42) of the two sections is fixed on the optical fiber fixed seat (5).

8. The novel fiber bend test device of claim 3, wherein, A boss clamping structure is arranged between the upper mould (1-1) and the lower mould (1-2). The boss clamping structure is used to prevent the upper mould (1-1) and the lower mould (1-2) from moving back and forth. The boss clamping structure includes a lower groove on the lower end surface of the upper mould (1-1) and an upper boss on the upper end surface of the lower mould (1-2). The lower groove is fixed with the upper boss.

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