Detection device for optical fiber coupling

Abstract

The utility model relates to the technical field of optical fiber coupler detection, in particular to a detection device for optical fiber coupling, which comprises a device shell, a cavity is arranged on the surface of the device shell, sliding grooves are arranged on two sides of the top end of the cavity, a top cover is arranged in the sliding grooves in a sliding mode, and an embedding groove is arranged on one side of the device shell. According to the utility model, through the combination of the lower clamping plate, the rotating shaft, the upper frame plate and the reset spring, stable clamping of an optical fiber or other elements to be detected is realized, the detection accuracy is improved, and the clamping process is simpler, more convenient and faster; the optical fiber detection device is simple in structure and can adapt to optical fiber elements of different sizes and shapes, through the design of the cavity, the sliding groove and the top cover on the device shell, the detection device can be conveniently opened and closed during operation, internal optical fibers or other elements can be conveniently detected and maintained, and good operation convenience is provided through the arrangement of the sliding groove and the top cover.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical fiber coupler detection technical field, specifically a kind of detection device for optical fiber coupling. BACKGROUND

[0002] As the key passive optical device in the field of optical fiber communication, optical fiber coupler plays an important role. It can realize optical signal branching / combining or extend optical fiber link, and is widely used in telecommunication network, cable television network, user loop system and regional network, etc. With the continuous development of optical fiber communication technology, the performance requirements of optical fiber coupler are becoming higher and higher, therefore, an efficient and accurate optical fiber coupling detection device is needed to evaluate the quality of optical fiber coupler, and most detection devices do not have clamping structure, which is unstable during detection and not accurate enough. SUMMARY

[0003] The utility model aims at providing a kind of detection device for optical fiber coupling to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: including device shell, the surface of device shell is provided with cavity, the both sides of the top of cavity are provided with sliding slot, the sliding slot is slidably provided with top cover, the side of device shell is provided with inlay groove, the inlay groove is provided with clamping mechanism inside, the middle part of clamping mechanism is connected and is provided with detection needle, one end of detection needle extends into cavity, and is connected and provided with optical power meter.

[0005] Preferably, the inside of the cavity is connected with an optical time domain reflectometer, and one side of the optical time domain reflectometer is connected with a detection port.

[0006] Preferably, the side of the device shell is connected with a temperature controller, and one side of the temperature controller extends into the inside of the cavity, and the inside of the cavity is connected with a surrounding plate.

[0007] Preferably, the inside of the cavity is connected with a data processor, and the data processor is signal-connected with the optical power meter and the optical time domain reflectometer.

[0008] Preferably, one side of the top cover is provided with a placing groove, one side of the inside of the placing groove is connected with a spring, one end of the spring is connected with a fixed rod, and one end of the fixed rod is provided as a semicircle.

[0009] Preferably, the clamping mechanism comprises a lower clamping plate connected and arranged at the bottom end inside the inlay groove, a rotating shaft connected and arranged at the middle top of the lower clamping plate, an upper clamping plate rotatably arranged on the surface of the rotating shaft, and a return spring connected and arranged between the lower clamping plate and the upper clamping plate.

[0010] Preferably, the device housing is provided with a fixing hole corresponding to the fixing rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are that the clamping mechanism realizes stable clamping of the optical fiber or other elements to be detected through the combination of the lower clamping plate, the rotating shaft, the upper shelf plate and the reset spring, not only improves the detection accuracy, but also makes the clamping process more simple and convenient, can adapt to optical fiber elements of different sizes and shapes, through the design of the cavity, the sliding groove and the top cover on the device housing, the detection device can be conveniently opened and closed during operation, and the optical fiber or other elements inside are convenient for detection and maintenance, and the sliding groove and the top cover provide good operation convenience. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view structure schematic diagram of a detection device for optical fiber coupling;

[0013] Figure 2 It is a rear view structure schematic diagram of a detection device for optical fiber coupling;

[0014] Figure 3 It is a side view structure schematic diagram of a detection device for optical fiber coupling;

[0015] Figure 4 It is an internal mechanism schematic diagram of a detection device for optical fiber coupling;

[0016] Figure 5 It is a top cover side section view schematic diagram of a detection device for optical fiber coupling.

[0017] In the figure: 1, device housing;101, cavity;111, fixing hole;2, top cover;201, sliding groove;21, placing groove;22, spring;23, fixing rod;3, embedded groove;4, clamping mechanism;41, lower clamping plate;42, rotating shaft;43, upper shelf plate;44, reset spring;5, detection needle;6, optical power meter;7, optical time domain reflectometer;8, detection port;9, temperature controller;10, fence;11, data processor. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] Please refer to Figures 1-5The utility model provides a technical scheme, including device shell 1, device shell 1 surface is seted up cavity 101, the both sides of cavity 101 top end are seted up sliding slot 201, sliding slot 201 are set up in the sliding cover 2, device shell 1 one side is seted up and is inlaid groove 3, and inlaid groove 3 is provided with clamping mechanism 4, and clamping mechanism 4 middle part is connected and is seted up detection needle 5, and detection needle 5 one end extends to cavity 101, and is connected and is seted up optical power meter 6.

[0020] Cavity 101 is connected and is seted up optical time domain reflectometer 7, and optical time domain reflectometer 7 one side is connected and is seted up detection port 8, its effect lies in that optical time domain reflectometer (OTDR) is the important tool of optical fiber network maintenance and communication field, it passes through sending optical pulse and receiving its reflection signal, can nondestructively detect optical fiber link's attenuation, connector quality, optical fiber fusion point loss etc.

[0021] Device shell 1 one side is connected and is seted up temperature controller 9, and temperature controller 9 one side extends to cavity 101 inside, and cavity 101 is connected and is seted up with board 10, its effect lies in that with board 10 will separate cavity 101 inside one independent space, passes through temperature controller 9 analog different temperature environment, and the optical fiber coupler is placed in independent space, and the temperature stability of optical fiber coupler is tested.

[0022] Cavity 101 is connected and is seted up data processor 11, and data processor 11 and optical power meter 6 and optical time domain reflectometer 7 are signal connection settings, its effect lies in that data processor 11 can receive and handle the detection data from optical power meter 6 and optical time domain reflectometer 7 in real time.

[0023] The top cover 2 is provided with a placing groove 21 on one side, a spring 22 is connected to one side of the inside of the placing groove 21, a fixed rod 23 is connected to one end of the spring 22, and one end of the fixed rod 23 is provided in a semicircle. Through the design of the spring 22 and the fixed rod 23, the top cover 2 realizes a convenient fixing and unlocking mechanism. When the user needs to fix the top cover 2 on the device shell 1, only needs to insert the semicircle end of the fixed rod 23 into the corresponding fixed hole on the device shell 1, and the elastic force of the spring 22 can firmly keep the fixed rod 23 in the fixed hole, so as to ensure that the top cover 2 will not be accidentally opened. Similarly, when the user needs to open the top cover 2, only needs to press the fixed rod 23 slightly, so that it is pulled out of the fixed hole, and the top cover can be conveniently opened.

[0024] The clamping mechanism 4 includes a lower clamping plate 41 connected to the bottom end of the fitting groove 3, a rotating shaft 42 connected to the middle of the top end of the lower clamping plate 41, an upper clamping plate 43 rotatably arranged on the surface of the rotating shaft 42, and a reset spring 44 connected between the lower clamping plate 41 and the upper clamping plate 43. Through the design of the rotating shaft 42 and the upper clamping plate 43, the clamping mechanism 4 can flexibly adapt to optical fibers or optical fiber connectors of different sizes and shapes. The user only needs to rotate the upper clamping plate 43 slightly to adjust the size of the clamping space, so as to realize stable clamping of the optical fiber or the optical fiber connector.

[0025] The device shell 1 is provided with a fixed hole 111 on one side corresponding to the fixed rod 23. Through the design of the fixed hole 111, the fixed rod 23 can be easily inserted and locked on the device shell 1, so as to realize stable fixation of the top cover 2. At the same time, when the user needs to unlock and open the top cover 2, only needs to simply pull out the fixed rod 23 from the fixed hole 111, and the operation process is very convenient.

[0026] Working principle: insert one end of the detection needle 5 into the optical fiber coupler, press one side of the upper clamping plate 43 downward, place the coupler between the upper clamping plate 43 and the lower clamping plate 41, release the hand, fix the coupler on the clamping mechanism 4, use the optical power meter 6 inside the cavity 101 to measure the optical power of the input end and the output end to calculate the insertion loss and evaluate the transmission efficiency of the coupler, after the detection is completed, take down the coupler, contact one end of the coupler with the detection port 8, use the detection port 8 at one end of the optical time domain reflectometer 7 to measure the return loss and insertion loss of the optical fiber coupler, and detect the fault points in the optical fiber, after the detection is completed, place the coupler into the surrounding plate 10, control the temperature in the surrounding plate 10 through the temperature controller 9, detect the performance of the optical fiber coupler under different temperature conditions, the performance of the optical fiber coupler may change under different temperature conditions, the detection device simulates different temperature environments to test the performance stability of the coupler to ensure that it can work normally under various environmental conditions, after the detection is completed, the optical power meter 6 and the optical time domain reflectometer 7 will collect and analyze the test data through the data processor 11, and generate a test report, so that the operator can accurately evaluate the performance of the optical fiber coupler.

[0027] It should be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0028] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A device for fiber-coupled detection comprising a device housing (1), characterized in that: The device shell (1) surface is provided with a cavity (101), the cavity (101) top two sides are provided with sliding groove (201), the sliding groove (201) is provided with a top cover (2) inside, the device shell (1) one side is provided with a fitting groove (3), the fitting groove (3) is provided with a clamping mechanism (4) inside, the clamping mechanism (4) middle part is provided with a detection needle (5), the detection needle (5) one end extends into the cavity (101), and is provided with a power meter (6) and is connected.

2. A detection device for fiber-coupled use according to claim 1, characterized in that The cavity (101) is provided with an optical time domain reflectometer (7) inside, and the optical time domain reflectometer (7) is provided with a detection port (8) on one side.

3. The apparatus for fiber-coupled detection according to claim 1, wherein: The device shell (1) one side is provided with a temperature controller (9), and the temperature controller (9) one side extends to the inside of the cavity (101), and the cavity (101) is provided with a fence (10) inside.

4. The apparatus for fiber-coupled detection of claim 1, wherein: The cavity (101) is provided with a data processor (11) inside, and the data processor (11) is provided with a power meter (6) and an optical time domain reflectometer (7) in signal connection.

5. The apparatus for fiber-coupled detection according to claim 1, wherein: The top cover (2) one side is provided with a placing groove (21), and the placing groove (21) is provided with a spring (22) on one side inside, one end of the spring (22) is provided with a fixed rod (23), and one end of the fixed rod (23) is provided with a semicircle.

6. The apparatus for fiber-coupled detection according to claim 1, wherein: The clamping mechanism (4) includes a lower clamping plate (41) connected inside the bottom of the fitting groove (3), a rotating shaft (42) is connected to the top middle of the lower clamping plate (41), the surface of the rotating shaft (42) is provided with an upper shelf plate (43), and a reset spring (44) is connected between the lower clamping plate (41) and the upper shelf plate (43).

7. The apparatus for fiber-coupled detection according to claim 1, wherein: The device shell (1) one side is provided with a fixed hole (111) corresponding to the fixed rod (23).

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