Accurate correction device for laser alignment

Abstract

The utility model discloses a laser collimation accurate correction device, which belongs to the technical field of laser collimation correction, and comprises an auxiliary structure: the inner side of the auxiliary structure is in bolted connection with an adjusting structure, the inner side of the adjusting structure is in bolted connection with a laser transmitter body, the top of a mounting table is fixedly connected with the bottom of a rotating part, and the rotating part is fixedly connected with the top of the mounting table. The top of the rotating part is in bolted connection with the bottom of the stabilizing shell, the top of the rotating part is movably connected with the bottom of the fixing frame, the outer side of the fixing frame is movably connected with the inner side of the stabilizing shell, in existing metropolitan area QKD application, a laser transmitter has some limitations in the aspect of correction and collimation, and traditional equipment usually lacks an accurate angle function. As a result, a laser beam is difficult to accurately align at a target, the stability and efficiency of quantum key distribution are reduced, and the safety and reliability of data transmission are affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser collimation correction technical field, especially in kind of laser collimation accurate correction device. BACKGROUND

[0002] The city area quantum key distribution is a kind of technology for realizing safe key distribution using quantum mechanics principle, and is suitable for communication network in city range, in city area QKD system, laser generates single photon or entangled photon pair, and these quantum states are transmitted through optical fiber or free space link, to ensure the accurate transmission of quantum state, laser collimation correction device is crucial, in practical application, city area QKD system needs high-precision laser collimation technology to overcome the beam deviation caused by environmental factors, by integrating height adjustment and angle correction function, laser collimation device can significantly improve the reliability and security of system, guarantee the efficient transmission of quantum information in city range, finally realizes safe key distribution and data encryption, and this technology has important significance for information security in the fields such as finance, government and data center.

[0003] In existing city area QKD application, laser emitter has some limitations in correction collimation, traditional equipment usually lacks accurate angle function, can cause laser beam difficult to accurately aim target, reduces the stability and efficiency of quantum key distribution, thereby influence the security and reliability of data transmission.

[0004] Therefore, a kind of laser collimation accurate correction device is provided. Utility model content

[0005] The utility model aims at providing a kind of laser collimation accurate correction device, can solve the problem that existing city area QKD application, laser emitter has some limitations in correction collimation, traditional equipment usually lacks accurate angle function, can cause laser beam difficult to accurately aim target, reduces the stability and efficiency of quantum key distribution, thereby influence the security and reliability of data transmission.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of laser collimation accurate correction device, including auxiliary structure, the inside of the auxiliary structure is bolted with adjusting structure, the inside of the adjusting structure is bolted with laser emitter body;

[0007] The adjusting structure comprises a mounting table, a rotating part, a stabilizing shell, a fixing frame, a connecting disc and a rotating rod, the top of the mounting table is fixedly connected with the bottom of the rotating part, the top of the rotating part is hingedly connected with the bottom of the stabilizing shell, the top of the rotating part is movably connected with the bottom of the fixing frame, the outer side of the fixing frame is movably connected with the inner side of the stabilizing shell, the inner side of the fixing frame is hingedly connected with the outer side of the laser emitter body, the top of the fixing frame is hingedly connected with the bottom of the connecting disc, the inner wall of the connecting disc is rotatably connected with the bottom of the outer wall of the rotating rod, the outer wall of the rotating rod is threadedly connected with the inner wall of the stabilizing shell, and the bottom of the rotating rod is movably connected with the top of the fixing frame.

[0008] Preferably, the auxiliary structure comprises a moving block, the front side of the moving block is hingedly connected with the rear side of the mounting table, and the outer side of the moving block is movably connected with a fixing block.

[0009] Preferably, the inner wall of the moving block is threadedly connected with a rotating rod, the outer wall of the rotating rod is rotatably connected with the inner wall of the fixing block, and the inner side of the fixing block is hingedly connected with a reversible motor.

[0010] Preferably, the right side of the moving block is hingedly connected with a fixing part, the inner wall of the fixing part is slidably connected with a stabilizing rod, and the outer side of the stabilizing rod is hingedly connected with the inner side of the fixing block.

[0011] Preferably, the top of the rotating rod is fixedly connected with a control block, the outer wall of the rotating rod is threadedly connected with a mounting part, and the bottom of the mounting part is hingedly connected with the top of the stabilizing shell.

[0012] Preferably, the two sides of the stabilizing shell are provided with elliptical holes, the two sides of the fixing frame are fixedly connected with stabilizing parts, and the outer wall of the stabilizing part is slidably connected with the inner wall of the elliptical hole.

[0013] Preferably, the top of the stabilizing shell is provided with a threaded hole, and the inner wall of the threaded hole is threadedly connected with the outer wall of the rotating rod.

[0014] Preferably, the bottom of the fixing block is bonded with a rubber pad, the left side of the top of the fixing block is provided with a mounting hole, and the right side of the top of the fixing block is provided with a matching hole.

[0015] Compared with the prior art, the adjusting structure of the present application has the advantages that:

[0016] 1、The adjusting structure of the present application ensures the height and angle adjustment precision of the laser emitter body, the mounting table cooperates with the rotating part, so that the stabilizing shell and the fixing frame can realize plane rotation, the rotating rod is threadedly connected with the inner wall of the stabilizing shell, the fixing frame is driven by the connecting disc to move up and down, so as to accurately adjust the height of the laser emitter body.

[0017] 2. The auxiliary structure provided in the application provides height adjustment function for the whole device, the moving block realizes stable lifting movement through the cooperation of the rotating rod and the forward and reverse motor, ensures that the adjustment structure and the laser emitter body can be accurately positioned, and the fixing piece and the stable rod increase the translation stability of the moving block to prevent deviation or shaking of the moving block during lifting. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure diagram of the laser collimation accurate correction device of the utility model;

[0019] Figure 2 It is a split diagram of the adjustment structure of the utility model;

[0020] Figure 3 It is a split diagram of the auxiliary structure of the utility model;

[0021] Figure 4 It is a moving diagram of the adjustment structure of the utility model;

[0022] Figure 5 It is a whole structure of the utility model Figure 1 It is a bottom view of the whole structure.

[0023] In the figure, 1, auxiliary structure; 11, moving block; 12, fixed block; 13, rotating rod; 14, forward and reverse motor; 15, fixing piece; 16, stable rod; 2, adjustment structure; 21, mounting table; 22, rotating piece; 23, stable shell; 24, fixed frame; 25, connecting disc; 26, rotating rod; 3, laser emitter body; 4, control block; 5, mounting piece; 6, oval hole; 7, stabilizing piece; 8, threaded hole; 9, rubber pad. DETAILED DESCRIPTION

[0024] 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.

[0025] Please refer to Figures 1-5 The utility model provides technical schemes:

[0026] A laser collimation accurate correction device, comprising an auxiliary structure 1, the inner side of the auxiliary structure 1 is bolted with an adjustment structure 2, the inner side of the adjustment structure 2 is bolted with a laser emitter body 3;

[0027] The adjusting structure 2 comprises a mounting table 21, a rotating piece 22, a stabilizing shell 23, a fixing frame 24, a connecting disc 25 and a rotating rod 26, the top of the mounting table 21 is fixedly connected with the bottom of the rotating piece 22, the top of the rotating piece 22 is hingedly connected with the bottom of the stabilizing shell 23, the top of the rotating piece 22 is movably connected with the bottom of the fixing frame 24, the outer side of the fixing frame 24 is movably connected with the inner side of the stabilizing shell 23, the inner side of the fixing frame 24 is hingedly connected with the outer side of the laser emitter body 3, the top of the fixing frame 24 is hingedly connected with the bottom of the connecting disc 25, the inner wall of the connecting disc 25 is rotatably connected with the bottom of the outer wall of the rotating rod 26, the outer wall of the rotating rod 26 is threadedly connected with the inner wall of the stabilizing shell 23, and the bottom of the rotating rod 26 is movably connected with the top of the fixing frame 24.

[0028] In the embodiment, the auxiliary structure 1 is arranged as a frame for stabilizing the whole device, and achieves the function of controlling the up-and-down translation of the adjusting structure 2 and the laser emitter body 3. The mounting table 21 is arranged on the inner side of the auxiliary structure 1 and is hingedly connected with the components in the auxiliary structure 1. When the user needs to correct the laser of the laser emitter body 3 on the inner side of the fixing frame 24, first, the adjusting structure 2 and the laser emitter body 3 are adjusted to a suitable position by using the auxiliary structure 1. The rotating piece 22 fixed on the top of the mounting table 21 can be rotated by the user, so as to adjust the plane rotation angle of the stabilizing shell 23 and the fixing frame 24. The rotating rod 26 arranged on the inner wall of the stabilizing shell 23 is connected with the top of the fixing frame 24 through the connecting disc 25 arranged on the outer wall of the rotating rod 26. When the user rotates the rotating rod 26, the rotating rod 26 rotates and rises along the inner wall of the stabilizing shell 23, and the fixing frame 24 is driven to translate up and down on the inner side of the stabilizing shell 23 through the connecting disc 25, so that the laser emitter body 3 achieves the function of being further adjusted to a suitable height.

[0029] Specifically, as shown in Figure 3 , Figure 5 , the auxiliary structure 1 comprises a moving block 11, the front side of the moving block 11 is hingedly connected with the rear side of the mounting table 21, and the outer side of the moving block 11 is movably connected with a fixing block 12.

[0030] Specifically, as shown in Figure 3 , Figure 5 , the inner wall of the moving block 11 is threadedly connected with a rotating rod 13, the outer wall of the rotating rod 13 is rotatably connected with the inner wall of the fixing block 12, and the inner side of the fixing block 12 is hingedly connected with a reversible motor 14.

[0031] Specifically, as shown in Figure 3 , Figure 5 , the right side of the moving block 11 is hingedly connected with a fixing piece 15, the inner wall of the fixing piece 15 is slidably connected with a stabilizing rod 16, and the outer side of the stabilizing rod 16 is hingedly connected with the inner side of the fixing block 12.

[0032] In the embodiment, the auxiliary structure 1 is arranged, the rotating rod 13 and the rotating shaft of the reversible motor 14 are provided with a transmission belt, the reversible motor 14 is operated to control the rotating rod 13 to rotate, when the user needs to adjust the height of the laser emitter body 3 in the adjusting structure 2, the user first controls the reversible motor 14 to operate through the existing control equipment, the reversible motor 14 is operated to drive the rotating rod 13 to stably rotate in the inner wall of the fixed block 12, the rotating rod 13 drives the moving block 11 connected with the outer wall of the rotating rod 13 to move up and down, the adjusting structure 2 is connected with the moving block 11 through the mounting table 21, and the height of the laser emitter body 3 can be adjusted, the fixed part 15 is arranged on the right side of the moving block 11, the fixed part 15 slides on the outer wall of the stable rod 16, and the stability of the moving block 11 in the up-down translation can be improved.

[0033] Specifically, as shown in Figure 2 , Figure 4 , the top of the rotating rod 26 is fixedly connected with the control block 4, the outer wall of the rotating rod 26 is threadedly connected with the mounting part 5, and the bottom of the mounting part 5 is bolted to the top of the stable shell 23.

[0034] Specifically, as shown in Figure 2 , Figure 4 , Figure 5 , the two sides of the stable shell 23 are provided with oval holes 6, the two sides of the fixed frame 24 are fixedly connected with stable parts 7, and the outer wall of the stable part 7 is in sliding connection with the inner wall of the oval hole 6.

[0035] In the embodiment, the control block 4 is fixedly arranged at the top of the rotating rod 26, so that the rotating rod 26 is controlled to rotate by the user, the mounting part 5 is arranged on the outer wall of the rotating rod 26 and bolted to the top of the stable shell 23, so that the rotating stability of the rotating rod 26 is improved, and the stable part 7 is arranged on the two sides of the stable shell 23 and the fixed frame 24, so that when the fixed frame 24 moves up and down in cooperation with the stable shell 23, the stable part 7 can improve the stability of the fixed frame 24 in the up-down movement.

[0036] Specifically, as shown in Figure 2 , the top of the stable shell 23 is provided with a threaded hole 8, and the inner wall of the threaded hole 8 is in threaded connection with the outer wall of the rotating rod 26.

[0037] Specifically, as shown in Figure 1 , Figure 5 , the bottom of the fixed block 12 is attached with a rubber pad 9, the left side of the top of the fixed block 12 is provided with a mounting hole, and the right side of the top of the fixed block 12 is provided with a matching hole.

[0038] In the embodiment: through the threaded hole 8 opened at the top of the stabilizing shell 23, the rotating rod 26 can be screwed with the stabilizing shell 23, through the rubber pad 9 arranged at the bottom of the fixing block 12, the effect of increasing the friction force placed at the bottom of the fixing block 12 is achieved, through the mounting hole and the matching hole respectively arranged at the bottom of the fixing block 12, the rotating rod 13 and the rotating shaft part of the forward and reverse motor 14 can be stably rotated on the inner wall of the fixing block 12.

[0039] Working principle: in the case of using the laser emitter body 3, the auxiliary structure 1 is set as the frame of the whole device, and the control and adjustment structure 2 and the laser emitter body 3 are translated up and down, and the auxiliary structure 1 is set, the mounting table 21 is set in the inner side of the auxiliary structure 1 and is bolted with the components in the auxiliary structure 1, when the user needs to correct the laser of the laser emitter body 3 in the inner side of the fixed frame 24, first, the adjustment structure 2 and the laser emitter body 3 are adjusted to the appropriate position by using the auxiliary structure 1, the rotating part 22 fixed at the top of the mounting table 21, the user can rotate the rotating part 22, the plane rotation angle of the stabilizing shell 23 and the fixed frame 24 part can be adjusted, the rotating rod 26 is arranged in the inner wall of the stabilizing shell 23, and the connecting disc 25 is arranged on the outer wall of the rotating rod 26 and connected with the top of the fixed frame 24, when the user rotates the rotating rod 26, the rotating rod 26 rotates and rises in cooperation with the inner wall of the stabilizing shell 23, the fixed frame 24 can be translated up and down in the inner side of the stabilizing shell 23 through the connecting disc 25, so that the laser emitter body 3 can be further adjusted to the height.

[0040] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A device for precise correction of laser collimation, comprising an auxiliary structure (1), characterized in that: The inner side of the auxiliary structure (1) is bolted with an adjusting structure (2), and the inner side of the adjusting structure (2) is bolted with a laser emitter body (3); The adjusting structure (2) comprises a mounting table (21), a rotating piece (22), a stabilizing shell (23), a fixed frame (24), a connecting disc (25) and a rotating rod (26), the top of the mounting table (21) is fixedly connected with the bottom of the rotating piece (22), the top of the rotating piece (22) is bolted with the bottom of the stabilizing shell (23), the top of the rotating piece (22) is movably connected with the bottom of the fixed frame (24), the outer side of the fixed frame (24) is movably connected with the inner side of the stabilizing shell (23), the inner side of the fixed frame (24) is bolted with the outer side of the laser emitter body (3), the top of the fixed frame (24) is bolted with the bottom of the connecting disc (25), the inner wall of the connecting disc (25) is rotatably connected with the bottom of the outer wall of the rotating rod (26), the outer wall of the rotating rod (26) is threadedly connected with the inner wall of the stabilizing shell (23), and the bottom of the rotating rod (26) is movably connected with the top of the fixed frame (24).

2. The laser collimation precision correction device of claim 1, wherein: The auxiliary structure (1) comprises a moving block (11), the front side of the moving block (11) is bolted with the rear side of the mounting table (21), and the outer side of the moving block (11) is movably connected with a fixed block (12).

3. The laser collimation precision correction device of claim 2, wherein: The inner wall of the moving block (11) is threadedly connected with a rotating rod (13), the outer wall of the rotating rod (13) is rotatably connected with the inner wall of the fixed block (12), and the inner side of the fixed block (12) is bolted with a forward and reverse motor (14).

4. The laser collimation precision correction device of claim 2, wherein: The right side of the moving block (11) is bolted with a fixing piece (15), the inner wall of the fixing piece (15) is slidably connected with a stabilizing rod (16), and the outer side of the stabilizing rod (16) is bolted with the inner side of the fixed block (12).

5. The laser collimation precision correction device of claim 1, wherein: The top of the rotating rod (26) is fixedly connected with a control block (4), the outer wall of the rotating rod (26) is threadedly connected with a mounting piece (5), and the bottom of the mounting piece (5) is bolted with the top of the stabilizing shell (23).

6. The laser collimation precision correction device of claim 1, wherein: Both sides of the stabilizing shell (23) are provided with an oval hole (6), both sides of the fixed frame (24) are fixedly connected with a stabilizing piece (7), and the outer wall of the stabilizing piece (7) is slidably connected with the inner wall of the oval hole (6).

7. The laser collimation precision correction device of claim 1, wherein: A threaded hole (8) is formed in the top of the stabilizing shell (23), and the inner wall of the threaded hole (8) is threadedly connected with the outer wall of the rotating rod (26).

8. The laser collimation precision correction device of claim 2, wherein: A rubber pad (9) is attached to the bottom of the fixed block (12), an installation hole is formed in the left side of the top of the fixed block (12), and a matching hole is formed in the right side of the top of the fixed block (12).

Images