Automatic alignment device for optical fiber coupler

Abstract

The utility model relates to an optical fiber coupler automatic alignment device which comprises a bottom plate, a first fixing structure is arranged outside the bottom plate, the first fixing structure comprises a sliding rod, the sliding rod is fixedly installed on the inner bottom wall of the bottom plate, and the outer surface of the sliding rod is connected with a first sliding block in a sliding mode. According to the automatic alignment device for the optical fiber coupler, the coupler is placed in the protection box, a pull rod is pulled to extrude a spring body, so that a limiting rod is retracted into a mounting sleeve, then a sliding plate is pulled to move to drive a first sliding block and a hinge rod to move, and a second sliding block and a first clamping plate are driven by the hinge rod to clamp and fix the coupler; the two-way threaded rod is rotated to drive the second clamping plate to clamp and fix the other coupler, and then the electric sliding rail is opened to drive the moving block and the mounting plate to move, so that the two couplers are aligned through the butt joint port, and the purposes of conveniently fixing the couplers and conveniently aligning the couplers are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical fiber coupler test technical field, concretely is a kind of optical fiber coupler automatic alignment device. BACKGROUND

[0002] Optical fiber coupler is a kind of optical device for realizing the transmission of optical signal between different optical fibers, can the light beam of one or more input optical fibers is coupled into one or more output optical fibers according to predetermined ratio and phase relationship, realizes optical path conversion, distribution and multiplexing, when testing, need to ensure its alignment, to ensure that input and output optical fiber accurate alignment, to measure the insertion loss, return loss and other performance indicators of coupler, to verify the transmission efficiency and signal quality of optical fiber coupler.

[0003] But at present, when testing alignment of optical fiber coupler, it is usually aligned manually by workers, but this way often depends on the docking proficiency of workers, and the working experience of workers is greatly dependent, and different sizes of couplers need to be tested, so a kind of optical fiber coupler automatic alignment device is proposed. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model provides a kind of optical fiber coupler automatic alignment device, with the advantages of being convenient for fixing each size coupler, and being convenient for alignment, solve the problem that existing alignment mode needs to be improved.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of optical fiber coupler automatic alignment device, including bottom plate, the outside of the bottom plate is provided with first fixed structure, the outside of the bottom plate is provided with second fixed structure, the front of the bottom plate is provided with control panel, the top of the bottom plate is fixedly installed with placement board, the top of the placement board is provided with protective box;

[0006] The first fixed structure includes slide rod, the inner bottom wall of the bottom plate is fixedly installed with slide rod, the outer surface of the slide rod is slidably connected with first sliding block, the outer surface of the first sliding block is fixedly installed with hinged rod, the top of the hinged rod is fixedly installed with second sliding block, the top of the second sliding block is fixedly installed with first clamping plate, the left side of the first sliding block is fixedly installed with slide plate, the outer surface of the slide plate is fixedly installed with mounting sleeve, the inside of the mounting sleeve is movably connected with limit rod, the left side of the bottom plate is fixedly installed with limit plate.

[0007] Further, the second fixed structure includes electric slide rail, the outer surface of the electric slide rail is slidably connected with moving block, the top of the moving block is fixedly installed with mounting plate, the inside of the mounting plate is rotatably connected with two-way threaded rod, the outer surface of the two-way threaded rod is threadedly connected with second clamping plate.

[0008] Further, the number of the articulated rods is two, two said articulated rods are respectively located on the front and back of the first sliding block, the top of two said articulated rods is fixedly installed with the second sliding block, the inside of the bottom plate is fixedly installed with the auxiliary rod, the inside of two said second sliding blocks is slidably connected with the outer surface of the auxiliary rod, the top of each said second sliding block is fixedly installed with the first clamping plate.

[0009] Further, the number of the protective boxes is two, the top of two said protective boxes is hingedly installed with the box door, the left and right sides of each said protective box is provided with the docking port, one said protective box is located on the top of the placing plate, the top of the first clamping plate extends into the inside of one said protective box, the left side of the bottom plate is provided with the sliding slot matched with the sliding plate, the front and back sides of the sliding plate is fixedly installed with the mounting sleeve, the inside of each said mounting sleeve is fixedly installed with the spring body, the outer surface of each said spring body is fixedly installed with the limiting rod, the number of the limiting plates is two, the inside of two said limiting plates is provided with the limiting hole matched with the limiting rod, the left side of each said limiting rod is fixedly installed with the pull rod.

[0010] Further, the number of the electric sliding rails and the moving blocks is two, the opposite sides of two said moving blocks is fixedly connected through the connecting rod, the top of two said moving blocks is fixedly connected with the bottom of the mounting plate, the other said protective box is located on the top of the mounting plate.

[0011] Further, the number of the bidirectional threaded rods is two, the outer surface of two said bidirectional threaded rods is fixedly installed with the gear, two said gears is drivingly connected through the belt, the back of one said bidirectional threaded rod penetrates the inner back wall of the mounting plate, the number of the second clamping plates is two, the inside of two said second clamping plates is threadedly connected with the outer surface of two bidirectional threaded rods.

[0012] Beneficial effects

[0013] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0014] The optical fiber coupler automatic alignment device opens the box door on the top of the protective box, then puts the coupler into the inside of the protective box, then pulls the pull rod to extrude the spring body, so as to retract the limiting rod into the mounting sleeve, then pulls the sliding plate to move, so as to drive the first sliding block and the articulated rod to move, so as to drive the second sliding block and the first clamping plate to clamp and fix one of the couplers through the articulated rod, then rotates the bidirectional threaded rod to clamp and fix the other coupler through the second clamping plate, then opens the electric sliding rail to drive the moving block and the mounting plate to move, so as to align the two couplers through the docking port, so as to achieve the purpose of convenient fixing and alignment of the couplers. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is partial front view structure schematic view of the utility model;

[0017] Figure 3 It is partial test section view structure schematic view of the utility model;

[0018] Figure 4 It is partial left side view section view structure schematic view of the utility model;

[0019] Figure 5 It is partial bottom plate overhead section view structure schematic view of the utility model;

[0020] Figure 6 It is installation plate overhead section view structure schematic view of the utility model.

[0021] In the drawing: 1, bottom plate;2, first fixed structure;201, slide bar;202, first sliding block;203, articulated rod;204, second sliding block;205, first clamping plate;206, slide plate;207, mounting sleeve;208, limiting rod;209, limiting plate;3, second fixed structure;301, electric slide rail;302, moving block;303, mounting plate;304, two-way threaded rod;305, second clamping plate;4, control panel;5, placing plate;6, protective box. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. 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 those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-6 An optical fiber coupler automatic alignment device, including bottom plate 1, the outside of bottom plate 1 is provided with first fixed structure 2, the outside of bottom plate 1 is provided with second fixed structure 3, the front of bottom plate 1 is provided with control panel 4, the top of bottom plate 1 is fixedly installed with placing plate 5, the top of placing plate 5 is provided with protective box 6;

[0024] The first fixing structure 2 comprises a sliding rod 201, the inner bottom wall of the bottom plate 1 is fixedly installed with the sliding rod 201, the outer surface of the sliding rod 201 is slidably connected with a first sliding block 202, the outer surface of the first sliding block 202 is fixedly installed with a hinged rod 203, the top of the hinged rod 203 is fixedly installed with a second sliding block 204, the top of the second sliding block 204 is fixedly installed with a first clamping plate 205, the left side of the first sliding block 202 is fixedly installed with a sliding plate 206, the outer surface of the sliding plate 206 is fixedly installed with a mounting sleeve 207, the inside of the mounting sleeve 207 is movably connected with a limiting rod 208, and the left side of the bottom plate 1 is fixedly installed with a limiting plate 209.

[0025] Further, the second fixing structure 3 comprises an electric sliding rail 301, the outer surface of the electric sliding rail 301 is slidably connected with a moving block 302, the top of the moving block 302 is fixedly installed with a mounting plate 303, the inside of the mounting plate 303 is rotatably connected with a bidirectional threaded rod 304, and the outer surface of the bidirectional threaded rod 304 is threadedly connected with a second clamping plate 305.

[0026] Specifically, as shown in Figure 1 The control panel 4 is electrically connected with the powered equipment in the device, the control panel 4 sends control instructions to each component through control signal lines, these signal lines can be analog signal lines such as 4-20mA current signals, digital signal lines such as RS485 communication interfaces or simple switch signal lines, the control signals sent by the control panel 4 are transmitted to the control units of each component through the signal lines, and the start and stop operations of each component can be realized through the buttons or touch screen interfaces on the control panel 4. After the controller receives the start instruction, corresponding control signals are sent to each component to start them, when the stop instruction is received, stop signals are sent to make each component stop working, the working parameters of each component are set on the interface of the control panel 4, these parameter settings are converted into corresponding control signals and sent to the control units of each component, so that the working state of each component is accurately adjusted, the control panel 4 has the monitoring function of the running state of each component and can display the working parameters and state information of each component in real time.

[0027] Specifically, as shown in Figure 2 The working principle of the electric sliding rail 301 is based on a mechanical structure driven by a motor, the sliding rail moves through power supply and control signals, specifically, after the power is turned on, the motor starts to work and converts electrical energy into mechanical energy, the power of the motor is transmitted to the sliding rail through a transmission mechanism, so that the sliding rail starts to move linearly, the control system controls the speed and direction of the motor according to the input control signal, so as to realize accurate control of the movement of the sliding rail, at the same time, the limiting device and the safety protection device ensure that the sliding rail moves within a safe range, so as to avoid damage and accidents.

[0028] In implementation, the following steps are performed:

[0029] 1) first open the box door to put the coupler into the inner center position of the protective box 6, then pull the pull rod to retract the limiting rod 208 and move the sliding plate 206;

[0030] 2) then move the first sliding block 202 and the hinged rod 203 through the movement of the sliding plate 206, so as to clamp and fix the second sliding block 204 and the first clamping plate 205 through the hinged rod 203;

[0031] 3) then rotate the two-way threaded rod 304 to cooperate with the gear and belt to move the two two-way threaded rods 304, so as to clamp and fix the other coupler through the second clamping plate 305;

[0032] 4) finally open the electric slide rail 301 to move one of the couplers to the other, and cooperate with the alignment of the interface.

[0033] In summary, the optical fiber coupler automatic alignment device opens the box door at the top of the protective box 6, then puts the coupler into the interior of the protective box 6, then pulls the pull rod to extrude the spring body, so as to retract the limiting rod 208 into the installation sleeve 207, then pull the sliding plate 206 to move, so as to move the first sliding block 202 and the hinged rod 203, so as to clamp and fix one of the couplers through the hinged rod 203 and the second sliding block 204 and the first clamping plate 205, then rotate the two-way threaded rod 304, so as to clamp and fix the other coupler through the second clamping plate 305, then open the electric slide rail 301 to move the moving block 302 and the mounting plate 303, so as to align the two couplers through the interface, so as to achieve the purpose of convenient fixing and alignment of the coupler.

[0034] It should be noted that in this text, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitation, the element defined by the statement "including a…" does not exclude the existence of other identical elements in the process, method, article or equipment including the element.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An optical fiber coupler automatic alignment device comprising a base plate (1), characterized in that: The outer part of the bottom plate (1) is provided with a first fixing structure (2), the outer part of the bottom plate (1) is provided with a second fixing structure (3), the front of the bottom plate (1) is provided with a control panel (4), and the top of the bottom plate (1) is fixedly installed with a placing plate (5). The first fixing structure (2) comprises a sliding rod (201), the inner bottom wall of the bottom plate (1) is fixedly installed with the sliding rod (201), the outer surface of the sliding rod (201) is slidably connected with a first sliding block (202), the outer surface of the first sliding block (202) is fixedly installed with a hinged rod (203), the top of the hinged rod (203) is fixedly installed with a second sliding block (204), the top of the second sliding block (204) is fixedly installed with a first clamping plate (205), the left side of the first sliding block (202) is fixedly installed with a sliding plate (206), the outer surface of the sliding plate (206) is fixedly installed with a mounting sleeve (207), the inner part of the mounting sleeve (207) is movably connected with a limiting rod (208), and the left side of the bottom plate (1) is fixedly installed with a limiting plate (209).

2. An automatic alignment device for a fiber coupler as claimed in claim 1, wherein: The second fixing structure (3) comprises an electric sliding rail (301), the outer surface of the electric sliding rail (301) is slidably connected with a moving block (302), the top of the moving block (302) is fixedly installed with a mounting plate (303), the inner part of the mounting plate (303) is rotatably connected with a bidirectional threaded rod (304), and the outer surface of the bidirectional threaded rod (304) is threadedly connected with a second clamping plate (305).

3. An automatic alignment device for a fiber optic coupler as recited in claim 1, wherein: The number of the hinged rods (203) is two, the two hinged rods (203) are located on the front and rear sides of the first sliding block (202) respectively, the top of each of the two hinged rods (203) is fixedly installed with a second sliding block (204), the inner part of each of the two second sliding blocks (204) is slidably connected with the outer surface of an auxiliary rod, and the top of each of the second sliding blocks (204) is fixedly installed with a first clamping plate (205).

4. An automatic alignment device for a fiber optic coupler as recited in claim 1, wherein: The number of the protection boxes (6) is two, the top of each of the two protection boxes (6) is hingedly connected with a box door, the left and right sides of each of the protection boxes (6) are provided with a butt joint, one of the protection boxes (6) is located on the top of the placing plate (5), the top of the first clamping plate (205) extends into the inner part of the protection box (6), the left side of the bottom plate (1) is provided with a sliding groove matched with the sliding plate (206), the left and right sides of the sliding plate (206) are fixedly installed with mounting sleeves (207), the inner part of each of the mounting sleeves (207) is fixedly installed with a spring body, the outer surface of each of the spring bodies is fixedly installed with a limiting rod (208), and the number of the limiting plates (209) is two, the inner part of each of the limiting plates (209) is provided with a limiting hole matched with the limiting rod (208).

5. An optical fiber coupler automatic alignment device as set forth in claim 2, characterized in that: The electric slide rail (301) and the moving block (302) are two in number, the opposite sides of the two moving blocks (302) are fixedly connected through connecting rods, the top of the two moving blocks (302) is fixedly connected with the bottom of the mounting plate (303), and the other protective box (6) is located on the top of the mounting plate (303).

6. An automatic alignment device for a fiber optic coupler as recited in claim 2, wherein: The number of the bidirectional threaded rods (304) is two, the outer surfaces of the two bidirectional threaded rods (304) are fixedly provided with gears, the two gears are connected through a belt transmission, and the back surface of one of the bidirectional threaded rods (304) penetrates through the inner back wall of the mounting plate (303). The number of the second clamping plates (305) is two, and the inner parts of the two second clamping plates (305) are respectively screwed with the outer surfaces of the two bidirectional threaded rods (304).

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