Multi-channel electric control adjustable optical fiber delay line

Abstract

The utility model discloses a multichannel electrically-controlled adjustable optical fiber delay line, which comprises a delay bin. The front end of the delay bin is provided with a bin door, the rear end of the bin door is fixedly connected with a concentric-square-shaped plate, the front end of the delay bin is located between the side wall of the bin door and the concentric-square-shaped plate, and a connecting mechanism is arranged between the delay bin and the bin door and comprises rectangular openings, sliding blocks, connecting ribs and connecting grooves. The upper end and the lower end of the rectangular opening are slidably connected with sliding blocks, the left ends and the right ends, away from the outer surfaces, of every two vertically adjacent sliding blocks are fixedly connected with connecting ribs, the left end and the right end of the bin door and the left end and the right end of the concentric-square-shaped plate are each provided with a notch, the upper end and the lower end of each notch are each provided with a connecting groove, and the connecting ribs are connected with the vertically adjacent connecting grooves in an inserted mode. According to the multi-channel electric control adjustable optical fiber delay line, the bin door and the delay bin can be quickly mounted and dismounted under the condition that no external tool is used, and the overhaul convenience degree of the multi-channel electric control adjustable optical fiber delay line is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fiber delay lines, in particular to a multi-channel electrically controlled adjustable optical fiber delay line. Background Art

[0002] A multi-channel electrically controlled tunable fiber optic delay line is an optical delay device that integrates multiple independent channels. Each channel can independently adjust the transmission delay time of the optical signal in the optical fiber through electronic control means. The multi-channel electrically controlled tunable fiber optic delay line uses optical fiber as the transmission medium and, through a precise electronic control mechanism, can achieve subtle adjustments to the optical signal transmission path length, thereby introducing precise time delay.

[0003] Some existing multi-channel electrically controlled adjustable fiber optic delay lines use external tools to install and remove the compartment door and delay compartment. This type of multi-channel electrically controlled adjustable fiber optic delay line has some problems. For example, the installation and removal of the compartment door and delay compartment by external tools affects the convenience of installing and removing the compartment door, and thus affects the convenience of repairing the multi-channel electrically controlled adjustable fiber optic delay line. Utility Model Content

[0004] The technical problem to be solved by the present invention is to overcome the existing defects and provide a multi-channel electrically controlled adjustable optical fiber delay line, which can quickly install and disassemble the chamber door and the delay chamber without the aid of external tools, greatly improving the convenience of maintenance of the multi-channel electrically controlled adjustable optical fiber delay line, and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a multi-channel electrically controlled adjustable optical fiber delay line, comprising a delay chamber;

[0006] Delay bin: A bin door is provided at its front end, and a return plate is fixedly connected to the rear end of the bin door. The front end of the delay bin is located between the side wall of the bin door and the return plate. A connecting mechanism is provided between the delay bin and the bin door. The connecting mechanism includes a rectangular opening, a sliding block, a connecting rib and a connecting groove. The rectangular opening is respectively provided at the left and right ends of the delay bin, and the upper and lower ends of the rectangular opening are slidably connected to the sliding blocks. The left and right ends of the two vertically adjacent sliding blocks facing away from the outer surface are fixedly connected with connecting ribs. The left and right ends of the bin door and the left and right ends of the return plate are provided with recesses, and the upper and lower ends of the recesses are provided with connecting grooves. The connecting ribs are plugged into the vertically adjacent connecting grooves, so that the bin door and the delay bin can be quickly installed and disassembled without the aid of external tools, which greatly improves the convenience of maintenance of the multi-channel electrically controlled adjustable optical fiber delay line.

[0007] Furthermore, the connecting mechanism also includes guide rods and springs. The guide rods are fixedly connected to the inside of the rectangular opening, and the outer surfaces of the guide rods are slidably connected to the inside of the longitudinally adjacent sliding blocks. The springs are fixedly connected between two vertically adjacent sliding blocks, and the springs are movably sleeved on the outer surfaces of the longitudinally adjacent guide rods to provide a guiding effect for the movement of the sliding blocks and provide a driving force for the resetting of the sliding blocks.

[0008] Furthermore, the connecting mechanism also includes a frosted surface, and the frosted surface is arranged at an end of the sliding block away from the center of the warehouse door, so as to facilitate personnel to slide the sliding block.

[0009] Furthermore, the rear wall of the delay chamber is provided with evenly distributed guide rails, and the interiors of the guide rails are slidably connected with adjustment seats, and the interiors of the adjustment seats are provided with corner cube prisms. The lower end of the rear wall of the delay chamber is fixedly connected with symmetrically distributed supports, and the left end between two vertically adjacent supports is provided with an input fiber collimator, and the right end between two vertically adjacent supports is provided with an output fiber collimator. The input fiber collimator and the output fiber collimator are both installed in conjunction with the vertically adjacent corner cube prisms. The lower end of the delay chamber is provided with evenly distributed connectors, and the left ends of the connectors are provided with input ports, and the right ends of the connectors are provided with output ports. The output ends of the input ports are vertically corresponding to the input ends of the vertically adjacent input fiber collimators, and the input ends of the output ports are vertically corresponding to the output ends of the vertically adjacent output fiber collimators, so as to achieve fine adjustment of the length of the optical signal transmission path, thereby introducing precise time delay.

[0010] Furthermore, a single-chip microcomputer is provided at the upper end of the rear wall of the delay chamber, and two connecting wires are provided at the upper end of the delay chamber. The input end of the single-chip microcomputer is electrically connected to the external power supply through the connecting wires to control various electrical appliances.

[0011] Furthermore, the interior of the guide rails is rotatably connected to a screw, the middle part of the screw is threadedly connected to the rear end of the longitudinally adjacent adjustment seat, and the upper end of the rear wall of the delay bin is provided with evenly distributed motors, the lower ends of the motor output shafts are fixedly connected to the upper ends of the vertically adjacent screws, and the input ends of the motors are electrically connected to the output ends of the single-chip microcomputer to achieve position adjustment of the adjustment seat.

[0012] Furthermore, evenly distributed observation windows are provided inside the warehouse door, and identification columns are provided at the front end of the adjustment seat. The identification columns correspond to the observation windows one by one, and scale bars are provided at the left and right ends of the observation window to facilitate personnel to observe the position of the adjustment seat.

[0013] Compared with the prior art, the beneficial effects of the present invention are: the multi-channel electrically controlled adjustable optical fiber delay line has the following advantages:

[0014] The connecting ribs of the sliding blocks are stably inserted into the corresponding connecting grooves under the elastic force of the springs, the quick installation of the door and the delay bin is realized, the connecting ribs and the corresponding connecting grooves end the insertion under the opposite sliding of the sliding blocks, the quick disassembly of the door is realized, the quick installation and disassembly of the door and the delay bin can be carried out without the help of external tools, and the maintenance convenience degree of the multi-channel electrically-controlled adjustable optical fiber delay line is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the utility model;

[0016] Figure 2 It is a sectional structure schematic view of the utility model;

[0017] Figure 3 It is an enlarged structure schematic view of A of the utility model.

[0018] In the figure: 1 delay bin, 2 door, 3 connecting mechanism, 31 rectangular port, 32 sliding block, 33 connecting rib, 34 connecting groove, 35 frosted surface, 36 guide rod, 37 spring, 4 back type plate, 5 adjusting seat, 6 cornered pyramid prism, 7 support, 8 input optical fiber collimator, 9 output optical fiber collimator, 10 connector, 11 input port, 12 output port, 13 guide rail, 14 screw rod, 15 motor, 16 single-chip microcomputer, 17 connecting wire, 18 observation window, 19 scale bar, 20 identification column. DETAILED DESCRIPTION

[0019] 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, not 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.

[0020] Please refer to Figure 1-3 The embodiment provides a technical scheme: a multi-channel electrically-controlled adjustable optical fiber delay line, which comprises a delay bin 1;

[0021] The front end of the delay bin 1 is provided with a bin door 2, the upper end of the rear wall of the delay bin 1 is provided with a single-chip microcomputer 16, the upper end of the delay bin 1 is provided with two connecting lines 17, the input end of the single-chip microcomputer 16 is electrically connected with an external power supply through the connecting lines 17, the rear end of the bin door 2 is fixedly connected with a back-shaped plate 4, the front end of the delay bin 1 is located between the side wall of the bin door 2 and the back-shaped plate 4, a connecting mechanism 3 is arranged between the delay bin 1 and the bin door 2, the connecting mechanism 3 comprises a rectangular port 31, a sliding block 32, a connecting rib 33 and a connecting groove 34, the rectangular ports 31 are arranged at the left and right ends of the delay bin 1 respectively, the upper and lower ends of the rectangular port 31 are both slidably connected with the sliding blocks 32, the left and right ends of the outer surfaces of the two vertically adjacent sliding blocks 32 are both fixedly connected with the connecting ribs 33, the left and right ends of the bin door 2 and the left and right ends of the back-shaped plate 4 are both provided with notches, the upper and lower ends of the notches are both provided with the connecting grooves 34, the connecting ribs 33 are all inserted into the vertically adjacent connecting grooves 34, the connecting mechanism 3 further comprises a guide rod 36 and a spring 37, the guide rods 36 are all fixedly connected to the interiors of the rectangular ports 31, the outer surfaces of the guide rods 36 are all slidably connected with the interiors of the longitudinally adjacent sliding blocks 32, the springs 37 are all fixedly connected between the two vertically adjacent sliding blocks 32, the springs 37 are all movably sleeved on the outer surfaces of the longitudinally adjacent guide rods 36, the connecting mechanism 3 further comprises a frosted surface 35, the frosted surfaces 35 are all arranged at one end of the sliding blocks 32 away from the center of the bin door 2, the frosted surfaces 35 increase the friction coefficient, facilitating the sliding of the sliding blocks 32, the bin door 2 is placed at the front end of the delay bin 1, when the bin door 2 and the back-shaped plate 4 move backward, when the upper and lower ends of the notches are in contact with the corresponding connecting ribs 33, under the action of the inclined surfaces of the connecting ribs 33, the notches push the two longitudinally adjacent connecting ribs 33 to move in the direction close to the center of the bin door 2, thereby making the sliding blocks 32 move in the direction close to the center of the bin door 2 in the interiors of the corresponding rectangular ports 31 under the guidance of the guide rods 36, the two vertically adjacent sliding blocks 32 moving towards each other makes the two vertically adjacent springs 37 be elastically compressed, when the connecting ribs 33 are vertically corresponding to the corresponding connecting grooves 34, the elastic force of the springs 37 pushes the sliding blocks 32 to move in the direction away from the center of the bin door 2 under the guidance of the guide rods 36, thereby making the connecting ribs 33 be inserted into the interiors of the corresponding connecting grooves 34, realizing the stable connection of the bin door 2 and the delay bin 1;

[0022] Among them: the rear wall of the delay chamber 1 is provided with uniformly distributed guide rails 13, the interior of the guide rails 13 is slidably connected to the adjustment seat 5, the interior of the adjustment seat 5 is provided with a corner cube prism 6, the lower end of the rear wall of the delay chamber 1 is fixedly connected to the symmetrically distributed supports 7, the left end between the two vertically adjacent supports 7 is provided with an input fiber collimator 8, the right end between the two vertically adjacent supports 7 is provided with an output fiber collimator 9, the input fiber collimator 8 and the output fiber collimator 9 are both installed in conjunction with the vertically adjacent corner cube prism 6, the delay chamber 1 The lower end is provided with evenly distributed connectors 10, the left end of the connector 10 is provided with an input port 11, the right end of the connector 10 is provided with an output port 12, the output end of the input port 11 is vertically corresponding to the input end of the vertically adjacent input fiber collimator 8, the input end of the output port 12 is vertically corresponding to the output end of the vertically adjacent output fiber collimator 9, the interior of the guide rail 13 is rotatably connected to a screw 14, the middle part of the screw 14 is threadedly connected to the rear end of the longitudinally adjacent adjustment seat 5, and the rear wall of the delay chamber 1 The upper end of the motor 15 is evenly distributed, and the lower end of the output shaft of the motor 15 is fixedly connected to the upper end of the vertically adjacent screw 14. The input end of the motor 15 is electrically connected to the output end of the single-chip microcomputer 16. The single-chip microcomputer 16 is electrically connected to the external power supply through the connecting line 17, and then the external input optical fiber line is inserted into the corresponding input port 11, and the external output optical fiber line is inserted into the corresponding output port 12. Then, the corresponding motor 15 is operated by the single-chip microcomputer 16, and the output shaft of the motor 15 rotates to drive the vertically adjacent screw 14 Rotation causes the longitudinally adjacent adjustment seats 5 to move vertically within the corresponding guide rails 13. The vertical movement of the adjustment seats 5 drives the corresponding corner cube prisms 6 to move vertically. When the corner cube prisms 6 reach the desired position, the single-chip microcomputer 16 turns off the corresponding motor 15. The external input optical fiber provides an optical signal to the input optical fiber collimator 8. The optical signal enters the output optical fiber collimator 9 under the action of the corner cube prism 6 and then moves out through the external output optical fiber, achieving fine adjustment of the optical signal transmission path length, thereby introducing precise time delay.

[0023] Among them: the interior of the warehouse door 2 is provided with evenly distributed observation windows 18, the front end of the adjustment seat 5 is provided with an identification column 20, the identification column 20 corresponds to the observation window 18 one by one, and the left and right ends of the observation window 18 are provided with a scale bar 19. The position of the identification column 20 is observed through the observation window 18, and the position information of the adjustment seat 5 is obtained according to the scale bar 19.

[0024] The working principle of the multi-channel electrically-controlled adjustable optical fiber delay line is as follows: in operation, personnel first place the warehouse door 2 at the front end of the delay warehouse 1; when the warehouse door 2 and the back-shaped plate 4 move backward, the upper and lower ends of the notches are in contact with the corresponding connecting ribs 33; under the action of the inclined surfaces of the connecting ribs 33, the notches push the two longitudinally-adjacent connecting ribs 33 to move toward the center of the warehouse door 2, so that the sliding blocks 32 are inside the corresponding rectangular ports 31 and move toward the center of the warehouse door 2 under the guidance of the guide rods 36; the two vertically-adjacent sliding blocks 32 move toward each other, so that the vertically-adjacent springs 37 are elastically compressed; when the connecting ribs 33 are vertically corresponding to the corresponding connecting grooves 34, the elastic force of the springs 37 pushes the sliding blocks 32 to move away from the center of the warehouse door 2 under the guidance of the guide rods 36, so that the connecting ribs 33 are inserted into the corresponding connecting grooves 34, and the stable connection of the warehouse door 2 and the delay warehouse 1 is realized; then personnel electrically connect the single-chip microcomputer 16 and an external power supply through the connecting wire 17; then personnel insert the external input optical fiber wire into the corresponding input port 11 and insert the external output optical fiber wire into the corresponding output port 12; then personnel realize the rotation of the corresponding motor 15 through the single-chip microcomputer 16; the rotation of the output shaft of the motor 15 drives the vertical rotation of the vertically-adjacent screw rods 14, so that the vertically-adjacent adjusting seats 5 vertically move in the corresponding guide rails 13; personnel observe the position of the identification column 20 through the observation window 18 and obtain the position information of the adjusting seat 5 according to the scale bar 19; the vertical movement of the adjusting seat 5 drives the vertical movement of the corresponding corner cube prisms 6; when the corner cube prisms 6 reach the required positions, the single-chip microcomputer 16 stops the corresponding motor 15; the external input optical fiber wire provides the optical signal to the input optical fiber collimator 8; the optical signal enters the output optical fiber collimator 9 under the reflection of the corner cube prisms 6 and then moves out through the external output optical fiber wire, so that the fine adjustment of the length of the optical signal transmission path is realized, and thus the precise time delay is introduced.

[0025] It is worth noting that the single-chip microcomputer 16 controls the motor 15 to work by using the method commonly used in the prior art.

[0026] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation according to the content of the utility model specification and drawings or direct or indirect application in other related technical fields is also included in the patent protection range of the utility model.

Claims

1. A multi-channel electrically controlled adjustable optical fiber delay line, characterized by: The invention comprises a delay bin (1); the delay bin (1) is provided with a bin door (2) at its front end, and a return plate (4) is fixedly connected to the rear end of the bin door (2); the front end of the delay bin (1) is located between the side wall of the bin door (2) and the return plate (4); a connecting mechanism (3) is provided between the delay bin (1) and the bin door (2); the connecting mechanism (3) comprises a rectangular opening (31), a sliding block (32), a connecting rib (33) and a connecting groove (34); the rectangular opening (31) is respectively provided at the left and right ends of the delay bin (1); the upper and lower ends of the rectangular opening (31) are slidably connected to the sliding block (32); the left and right ends of the two vertically adjacent sliding blocks (32) facing away from the outer surface are fixedly connected to the connecting rib (33); the left and right ends of the bin door (2) and the left and right ends of the return plate (4) are provided with notches; the upper and lower ends of the notches are provided with connecting grooves (34); the connecting ribs (33) are plugged into the vertically adjacent connecting grooves (34).

2. The multi-channel electrically controlled adjustable optical fiber delay line according to claim 1, characterized in that: The connecting mechanism (3) further comprises a guide rod (36) and a spring (37), wherein the guide rod (36) is fixedly connected to the inside of the rectangular opening (31), and the outer surface of the guide rod (36) is slidably connected to the inside of the longitudinally adjacent sliding block (32), and the spring (37) is fixedly connected between two vertically adjacent sliding blocks (32), and the spring (37) is movably sleeved on the outer surface of the longitudinally adjacent guide rod (36).

3. The multi-channel electrically controlled tunable optical fiber delay line according to claim 1, characterized in that: The connecting mechanism (3) further comprises a frosted surface (35), and the frosted surface (35) is arranged at an end of the sliding block (32) away from the center of the warehouse door (2).

4. The multi-channel electrically controlled adjustable optical fiber delay line according to claim 1, characterized in that: The rear wall of the delay chamber (1) is provided with uniformly distributed guide rails (13), the interior of the guide rails (13) is slidably connected to the adjustment seat (5), the interior of the adjustment seat (5) is provided with a corner cone prism (6), the lower end of the rear wall of the delay chamber (1) is fixedly connected to symmetrically distributed supports (7), the left end between two vertically adjacent supports (7) is provided with an input fiber collimator (8), the right end between two vertically adjacent supports (7) is provided with an output fiber collimator (9), the input fiber collimator (8) and the output fiber collimator (9) are arranged in a uniform manner. The straighteners (9) are all installed in conjunction with the vertically adjacent corner cube prisms (6); the lower end of the delay chamber (1) is provided with evenly distributed connectors (10); the left end of the connector (10) is provided with an input port (11); the right end of the connector (10) is provided with an output port (12); the output end of the input port (11) vertically corresponds to the input end of the vertically adjacent input fiber collimator (8); the input end of the output port (12) vertically corresponds to the output end of the vertically adjacent output fiber collimator (9).

5. The multi-channel electrically controlled adjustable optical fiber delay line according to claim 4, characterized in that: A single-chip microcomputer (16) is provided at the upper end of the rear wall of the delay chamber (1), and two connecting wires (17) are provided at the upper end of the delay chamber (1). The input end of the single-chip microcomputer (16) is electrically connected to an external power supply via the connecting wires (17).

6. The multi-channel electrically controlled adjustable optical fiber delay line according to claim 5, characterized in that: The guide rails (13) are rotatably connected to the interior thereof with screw rods (14), the middle portions of the screw rods (14) are threadedly connected to the rear ends of the longitudinally adjacent adjustment seats (5), and the upper end of the rear wall of the delay chamber (1) is provided with evenly distributed motors (15), the lower ends of the output shafts of the motors (15) are fixedly connected to the upper ends of the vertically adjacent screw rods (14), and the input ends of the motors (15) are electrically connected to the output ends of the single-chip microcomputer (16).

7. The multi-channel electrically controlled adjustable optical fiber delay line according to claim 1, characterized in that: The interior of the door (2) is provided with evenly distributed observation windows (18), and the front end of the adjustment seat (5) is provided with an identification column (20), and the identification column (20) corresponds to the observation window (18) one by one. The left and right ends of the observation window (18) are provided with a scale bar (19).

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