CN212482863U

CN212482863U - Optical fiber macrobend testing device

Info

Publication number: CN212482863U
Application number: CN202020615361.8U
Authority: CN
Inventors: 李梦林; 纪明辉
Original assignee: Jiangsu Yongding Fiber Technology Co ltd; Jiangsu Etern Co Ltd
Current assignee: Jiangsu Yongding Fiber Technology Co ltd; Jiangsu Etern Co Ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2021-02-05
Anticipated expiration: 2030-04-22

Abstract

The utility model relates to an optic fibre macrobend testing arrangement, including optic fibre dish (10), optic fibre winding subassembly and optic fibre test subassembly, optic fibre test subassembly includes that optic fibre attenuation tester body (20) and a pair of test press from both sides (30), optic fibre winding subassembly includes cylinder (40) and driving roller (40) pivoted motor (50), optic fibre by optic fibre dish (10) are drawn forth and are twined on cylinder (40), after optic fibre winding certain number of turns on cylinder (40), it is a pair of test clamp (30) press from both sides respectively and are established the free end of optic fibre with optic fibre breaks away from the end of drawing forth of optic fibre dish (10) department. The utility model has the advantages that: the utility model discloses curved testing arrangement is maked somebody a mere figurehead to optic fibre adopts automatic wind equipment to reduce the human error factor to steerable optic fibre winding elasticity, and automatic record data, the test accuracy is high, and repeatability is good. The design is simple, the operation of being convenient for improves efficiency of software testing.

Description

Optical fiber macrobend testing device

Technical Field

The application belongs to the field of optical fiber testing, and particularly relates to an optical fiber macrobend testing device.

Background

Macrobend additional attenuation is an important parameter for testing the performance of optical fibers during their testing. The test for the macrobend additional attenuation needs to be frequently and efficiently carried out, the device is simple and convenient, and the efficient test method is particularly important. However, the existing various macrobend testing devices are complex in design and are influenced by human factors in actual operation. If manually around the circle and the number of turns of corresponding diameter, the degree of tightness of winding is difficult to control, and lap winding occurs, the number of turns is too much, and the problems of easy error and the like are solved, thereby the accuracy of the test value is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the device is simple, efficient and high in accuracy.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides an optic fibre macrobend testing arrangement, includes optic fibre dish, optic fibre winding subassembly and optic fibre test component, and optic fibre test component includes optic fibre attenuation tester body and a pair of test clamp, optic fibre winding subassembly includes cylinder and drive drum pivoted motor, optic fibre by the optic fibre dish is drawn forth and is twined on the cylinder, after the optic fibre winding is twined a certain number of circles on the cylinder, it is a pair of the test clamp presss from both sides respectively and is established the free end of optic fibre with optic fibre breaks away from the end of drawing forth of optic fibre dish department.

In one embodiment, the fiber winding assembly further comprises a display connected to the motor and displaying the number of revolutions of the motor.

In one embodiment, the two ends of the roller are respectively provided with a clamping stop protruding out of the surface of the roller.

In one embodiment, at least one of the grips is removably connected to the barrel.

In one embodiment, the drum is i-shaped in cross-section.

In one embodiment, the surface of the roller is provided with a rubber sleeve.

In one embodiment, the optical fiber testing device further comprises a fixing plate, and the optical fiber disc, the optical fiber winding assembly and the optical fiber testing assembly are fixed on the fixing plate.

In one embodiment, a fixing column is arranged in the center of the optical fiber disc, the optical fiber disc rotates around the fixing column, and the fixing column is vertically fixed on the fixing plate.

In one embodiment, the optical fiber winding assembly further comprises a support rod vertically fixed on the fixing plate, and the roller is rotatably connected to the top of the support rod.

In one embodiment, the roller is detachably connected to the support rod.

The utility model has the advantages that: the utility model discloses curved testing arrangement is maked somebody a mere figurehead to optic fibre adopts automatic wind equipment to reduce the human error factor to steerable optic fibre winding elasticity, and automatic record data, the test accuracy is high, and repeatability is good. The design is simple, the operation is convenient, and the testing efficiency is improved; the artificial factors in the test process are few, the automatic winding counting can be realized, the requirement on personnel is not high, and the popularization is facilitated.

Drawings

The technical solution of the present application is further explained below with reference to the drawings and the embodiments.

Fig. 1 is a structural diagram of an optical fiber macrobend testing device according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of an optical fiber macrobend testing apparatus according to an embodiment of the present application.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.

The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

An optical fiber macrobend testing device comprises an optical fiber disc 10, an optical fiber winding assembly and an optical fiber testing assembly. The fiber optic test assembly includes a fiber optic attenuation tester body 20 and a pair of test clips 30. Common optical fiber test instruments include an optical power meter, a stable light source, an optical multimeter, an Optical Time Domain Reflectometer (OTDR), an optical fault locator and the like. If an optical power meter is adopted, one end of the optical cable emits light, and the other end of the optical cable is tested by the optical power meter, and if one end of the optical cable emits light of-5 db through a certain device and the other end of the optical cable passes the optical power meter to test the light of-15 db, the attenuation of the optical cable is 10 db. In order to perform macrobend testing on the optical fiber, the optical fiber needs to be wound. The optical fiber winding assembly comprises a roller 40 and a motor 50 for driving the roller 40 to rotate, the optical fiber is led out from the optical fiber disc 10 and wound on the roller 40, after the optical fiber on the roller 40 is wound for a certain number of circles, a pair of test clamps 30 are respectively clamped at the free end of the optical fiber and the leading-out end of the optical fiber separated from the optical fiber disc 10 for testing. The specific winding number is set as required, and after winding is finished, the optical fiber can be cut off at the leading-out end of the optical fiber separated from the optical fiber tray 10 and then connected with the test clamp 30.

In one embodiment, the fiber winding assembly further includes a display 60, the display 60 being coupled to the motor 50 and displaying the number of revolutions of the motor 50. The motor 50 may be coupled to the roller 40 via a belt or directly to the roller 40 to drive the roller 40 to rotate. The output of the motor 50 is rotated in synchronization with the drum 40, and the display 60 displays the number of revolutions of the motor 50, i.e., the number of revolutions of the drum 40, i.e., the number of turns of the optical fiber wound. The display 60 can monitor the winding number of turns of the optical fiber synchronously while winding the optical fiber, and display the winding number of turns in real time, and an operator judges whether the specific winding number of turns reaches the set condition according to the display 60 displaying the number of turns. Of course, the display 60 can be understood as a display assembly including a module for measuring the rotational speed of the motor, which is not described in detail in the prior art.

In order to prevent the optical fiber from slipping out of the drum 40 when being wound, in one embodiment, the drum 40 is provided with locking parts protruding from the surface of the drum 40 at both ends. To facilitate removal of the wound optical fiber from the barrel 40, in one embodiment, at least one catch is removably coupled to the barrel 40, and the optical fiber can be removed from the side of the barrel 40 after removal of the catch.

In one embodiment, the drum 40 is I-shaped in cross-section.

In one embodiment, the fiber is wound around the winding drum 40 in a clockwise direction.

In one embodiment, the surface of the roller 40 is provided with a rubber sleeve. The rubber sleeve is used as a sleeve made of special materials, is moderate in hardness, enables the optical fibers to have certain buffering when being wound, and avoids the influence on a test result caused by the fact that the optical fibers are too tight or too loose.

In order to facilitate the overall movement and reduce the commissioning time, in one embodiment, the optical fiber testing device further includes a fixing plate 70, the optical fiber tray 10, the optical fiber winding assembly and the optical fiber testing assembly are fixed on the fixing plate 70, and the relative positions of the optical fiber tray 10, the optical fiber winding assembly and the optical fiber testing assembly are fixed.

In one embodiment, the optical fiber tray 10 is provided with a fixing post at the center, and the optical fiber tray 10 rotates around the fixing post, and the fixing post is vertically fixed on the fixing plate 70.

In one embodiment, the optical fiber winding assembly further includes a support rod vertically fixed to the fixing plate 70, and the drum 40 is rotatably coupled to the top of the support rod. In various embodiments, the roller 40 may be connected to the top of the support rod at one end, or connected to the top of the support rod at the middle part, connected by a rolling bearing, etc. In one embodiment, the roller 40 is removably attached to the support rod. The size of the roller 40, such as the shaft diameter, can also be processed according to the test requirements, and the roller 40 with different sizes can be replaced according to the requirements.

Embodiments also disclose methods of use, comprising: fixing the optical fiber disk 10 through the fixing column, placing an optical fiber at one end into the test clamp 30 to be tested, and connecting the motor 50 with a power supply; turning on the switch to wind the fiber clockwise on the drum 40; the roller 40 and two ends of the roller form an I shape together to prevent the optical fiber from sliding out, and meanwhile, a layer of rubber sleeve is arranged on the surface of the cylinder body of the roller 40 to ensure that the optical fiber is buffered when being wound, so that the test result is prevented from being influenced by over-tightness or over-looseness; the display 60 can synchronously monitor the winding number of the optical fibers while the optical fibers are wound and display the winding number in real time; when the optical fiber is wound to the required number of turns for testing, the switch is closed, the other end of the optical fiber is cut off and placed into the test clamp 30, and the test is carried out by matching with a test instrument.

In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides an optic fibre macrobend testing arrangement, characterized in that includes optic fibre dish (10), optic fibre winding subassembly and optic fibre test subassembly, optic fibre test subassembly includes optic fibre decay tester body (20) and a pair of test clamp (30), optic fibre winding subassembly includes cylinder (40) and drive roller (40) pivoted motor (50), optic fibre by optic fibre dish (10) are drawn forth and the winding is in on cylinder (40), after optic fibre winding a certain number of turns on cylinder (40), a pair of test clamp (30) press from both sides respectively and are established the free end of optic fibre and optic fibre break away from the end of drawing forth of optic fibre dish (10) department.

2. The optical fiber macrobend testing apparatus of claim 1, wherein the optical fiber winding assembly further comprises a display (60), the display (60) being connected to the motor (50) and displaying the number of revolutions of the motor (50).

3. The optical fiber macrobend testing apparatus of claim 1, wherein said drum (40) is provided at both ends thereof with stoppers protruding from the surface of said drum, respectively.

4. The optical fiber macrobend testing apparatus of claim 3, wherein at least one of said grips is removably connected to said drum (40).

5. The optical fiber macrobend testing apparatus of claim 1, wherein the drum (40) is i-shaped in cross-section.

6. The optical fiber macrobend testing device according to claim 1, wherein the surface of the roller (40) is provided with a rubber sleeve.

7. The optical fiber macrobend testing apparatus of claim 1, further comprising a fixing plate (70), wherein the optical fiber tray (10), the optical fiber winding assembly and the optical fiber testing assembly are fixed on the fixing plate (70).

8. The optical fiber macrobend testing device according to claim 7, wherein a fixing column is arranged at the center of the optical fiber disc (10), the optical fiber disc (10) rotates around the fixing column, and the fixing column is vertically fixed on the fixing plate (70).

9. The optical fiber macrobend testing apparatus of claim 7, wherein the optical fiber winding assembly further comprises a support rod vertically fixed on the fixing plate (70), and the roller (40) is rotatably connected to the top of the support rod.

10. The optical fiber macrobend testing apparatus of claim 9, wherein the roller (40) is detachably connected to the support bar.