Fiber bragg grating annealing device

Abstract

The utility model discloses a fiber bragg grating annealing device which comprises a machine body, the interior of the machine body is connected with a fixing plate through a buffer mechanism, a heat insulation layer is arranged on the surface of the fixing plate, the interior of the machine body is fixedly connected with a first motor, the first motor is connected with a lead screw, and an annealing mechanism is arranged. During use, the fiber bragg grating penetrates through the fixing plates on the two sides in the machine body and then supports the fiber bragg gratings with different sizes, at the moment, after the fiber bragg grating is fixed through the fixing mechanism, a first motor drives a lead screw to rotate, the lead screw adjusts a sliding block to move, and meanwhile, a fixing block above is driven to move; the fiber bragg grating is pulled forwards, so that the fiber bragg grating slides between the fixing plates on the two sides, dust on the surface of the fiber bragg grating can be simply removed, the fiber bragg grating is moved to the middle of flamethrowers on the two sides, and at the moment, the flamethrowers are started to anneal the fiber bragg grating.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fiber grating annealing devices, in particular to an optical fiber grating annealing device. Background Art

[0002] In order to improve the photosensitivity of fiber Bragg grating during production, it is necessary to carry out hydrogen loading treatment on the fiber Bragg grating. After the hydrogen loading treatment, hydrogen and some unstable compounds will remain inside the fiber Bragg grating. Therefore, the fiber Bragg grating needs to be annealed after the hydrogen loading treatment to remove the residual hydrogen and unstable compounds inside the fiber Bragg grating. The existing device still has some defects; for example;

[0003] For example, a fiber grating annealing device with announcement number CN219861068U, when used, includes a bracket, a support plate, a protective cover and a sliding door, the support plate is installed at the upper end of the bracket, the protective cover is installed at the upper end of the support plate, a chamber is arranged in the protective cover, a take-in and put-out port communicating with the chamber is arranged at the front end of the protective cover, and the sliding door is installed at the outside of the take-in and put-out port; it also includes a rotating device, a clamping device and a heating device, the clamping device is installed on the protective cover through the rotating device, the clamping device has the function of clamping and fixing, the rotating device is used to rotate the clamping device, the heating device is installed on the support plate, and the heating device has the function of heating. There are some problems with the above device. When the device is used, the fiber grating is clamped by the clamping mechanism and then its surface is heated and annealed. Although the fiber grating can be annealed well, the annealing efficiency of the two ends of the fiber grating clamped during the annealing process is difficult to reach the established expectations. Therefore, we propose a fiber grating annealing device to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a fiber Bragg grating annealing device to solve the problem that the fiber Bragg grating annealing device proposed in the above background technology has a poor fiber Bragg grating annealing effect when in use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fiber Bragg grating annealing device, comprising a body;

[0006] The interior of the machine body is fixedly connected to the support block, and the support block is connected to the fixed plate through a buffer mechanism, and a heat insulation layer is provided on the surface of the fixed plate, the first motor is connected to the screw rod, and the screw rod is threadedly connected to the slider, and the top of the slider is fixedly connected to the fixed block, and a fixing mechanism is provided above the fixed block, the machine body is connected to the flamethrower through an adjusting mechanism, and the top of the flamethrower is fixedly connected to the connecting rod, and the top of the connecting rod is fixedly connected to the heat conducting plate, and a heater is provided above the heat conducting plate.

[0007] As a preferred technical solution of the utility model, the buffer mechanism includes a fixed rod, a spring, and a fixed plate. The fixed rod is fixedly connected to the inside of the support block, and the front end of the fixed rod is slidably connected to the fixed plate, and a spring is arranged on the surface of the fixed rod.

[0008] As a preferred technical solution of the utility model, the fixing mechanism includes a fixed block, a push rod, an adjusting rod, and a clamping arm. The push rod is fixedly connected to the fixed block, and the front end of the push rod is hinged to the adjusting rod, and the rear end of the adjusting rod is hinged to the clamping arm, and the clamping arm is slidably connected to the fixed block.

[0009] As a preferred technical solution of the utility model, the two groups of buffer mechanisms inside the body are symmetrically arranged, and the front ends of the buffer mechanisms are connected to fixed plates, and the surfaces of the fixed plates are provided with heat insulation layers.

[0010] As a preferred technical solution of the utility model, the adjustment mechanism includes a second motor, a rotating rod, a moving shaft, a long plate, a telescopic plate, a connecting plate, a moving block, a sliding rod, and a flamethrower. The second motor is fixedly connected to the inside of the body, and the second motor is connected to the rotating rod, and the surface of the rotating rod is fixedly connected to the moving shaft, the moving shaft is arranged in a groove inside the long plate, and the front end of the long plate is connected to the connecting plate through the telescopic plate, and the connecting plate is hinged to the moving block, the moving block is slidably connected to the sliding rod, and the sliding rod is fixedly connected to the inside of the body, and the front end of the moving block is fixedly connected to the flamethrower.

[0011] As a preferred technical solution of the utility model, the connecting rods are symmetrically arranged about the center of the heat conducting plate, and flamethrowers are connected below the connecting rods.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the fiber Bragg grating annealing device is provided with an annealing mechanism, and when in use, the fiber Bragg grating is passed through the fixing plates on both sides of the body to support the fiber Bragg gratings of different sizes, and at this time, after the fiber Bragg grating is fixed by the fixing mechanism, the first motor drives the lead screw to rotate, so that the lead screw drives the slider to move, and at the same time drives the upper fixing block to move, and pulls the fiber Bragg grating forward, so that the fiber Bragg grating slides between the fixing plates on both sides, and the dust on the surface of the fiber Bragg grating can be simply removed, and the fiber Bragg grating can be annealed. After moving to the middle of the flamethrowers on both sides, the flamethrowers are started to anneal the fiber grating. At the same time, the heater above the upper heat conduction plate can be started to make the fiber grating annealing effect better. At the same time, the flamethrowers are driven to adjust through the adjustment mechanism to facilitate the annealing of different positions on the fiber grating surface. After the annealing is completed, the fiber grating is released, and the fixing block is driven to move backward again by the first motor. After the fiber grating is fixed again, it is pulled forward after being fixed, and the entire fiber grating is annealed in sections, which can better anneal different positions on the fiber grating surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the side section structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the main cross-sectional structure of the utility model;

[0015] Figure 3 This is a side structural schematic diagram of the support block of the utility model;

[0016] Figure 4 This is a schematic diagram of the flamethrower structure of the present utility model.

[0017] In the figure: 1, machine body; 2, first motor; 3, screw rod; 4, slider; 5, fixed block; 6, push rod; 7, adjusting rod; 8, clamping arm; 9, fixed rod; 10, spring; 11, fixed plate; 12, thermal insulation layer; 13, second motor; 14, rotating rod; 15, moving shaft; 16, long board; 17, telescopic board; 18, connecting plate; 19, moving block; 20, sliding rod; 21, flamethrower; 22, connecting rod; 23, heat conduction plate; 24, heater; 25, supporting block. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4The utility model provides a technical solution, a fiber Bragg grating annealing device, comprising a body 1, the interior of the body 1 is fixedly connected to a support block 25, and the support block 25 is connected to a fixed plate 11 through a buffer mechanism, the buffer mechanism comprises a fixed rod 9, a spring 10, a fixed plate 11, and a support block 25, the fixed rod 9 is fixedly connected to the interior of the support block 25, and the front end of the fixed rod 9 is slidably connected to the fixed plate 11, and the surface of the fixed rod 9 is provided with a spring 10, the two groups of buffer mechanisms inside the body 1 are symmetrically arranged, and the front ends of the buffer mechanisms are connected to the fixed plate 11, and the fixed plate The surfaces of the fixing plate 11 are provided with a heat insulation layer 12, and the surface of the fixing plate 11 is provided with a heat insulation layer 12, the interior of the machine body 1 is fixedly connected to the first motor 2, the first motor 2 is connected to the screw rod 3, and the screw rod 3 is threadedly connected to the slider 4, and the top of the slider 4 is fixedly connected to the fixing block 5, and a fixing mechanism is provided above the fixing block 5, the fixing mechanism includes a fixing block 5, a push rod 6, an adjusting rod 7, and a clamping arm 8, the push rod 6 is fixedly connected to the fixing block 5, and the front end of the push rod 6 is hinged to the adjusting rod 7, and the rear end of the adjusting rod 7 is hinged to the clamping arm 8, and the clamping arm 8 is slidably connected to the fixing block 5;

[0020] When in use, after the fiber grating passes through the fixing plates 11 on both sides of the body 1, the fixing plates 11 slide over the fixing rods 9 and the springs 10 on the surface of the fixing rods 9 contract to support fiber gratings of different sizes. At the same time, the heat insulation layer 12 on the surface of the fixing plates 11 can prevent heat from being conducted to the springs 10 on the surface of the fixing rods 9, causing the springs 10 to deform. At this time, the push rods 6 drive the adjusting rods 7 on both sides through the hinge shaft to adjust, and the adjusting rods 7 drive the clamping arms 8 to move, so that the clamping arms 8 on both sides move toward the middle at the same time. After the fiber grating is fixed, the first motor 2 drives the screw rod 3 to rotate, so that the screw rod 3 mobilizes the slider 4 to move, and drives the upper fixing block 5 to move, and pulls the fiber grating forward, so that the fiber grating slides between the fixing plates 11 on both sides. After the dust on the surface of the fiber grating is simply removed, the fiber grating is moved to the middle of the flamethrowers 21 on both sides;

[0021] The machine body 1 is connected to the flamethrower 21 through an adjusting mechanism, and the adjusting mechanism includes a second motor 13, a rotating rod 14, a moving shaft 15, a long plate 16, a telescopic plate 17, a connecting plate 18, a moving block 19, a sliding rod 20, and a flamethrower 21. The second motor 13 is fixedly connected to the inside of the machine body 1, and the second motor 13 is connected to the rotating rod 14, and the surface of the rotating rod 14 is fixedly connected to the moving shaft 15, and the moving shaft 15 is set in a groove inside the long plate 16, and the front end of the long plate 16 is connected to the telescopic plate 17 and the connecting plate The connecting plate 18 is connected, and the connecting plate 18 and the moving block 19 are hinged, the moving block 19 and the sliding rod 20 are slidably connected, and the sliding rod 20 is fixedly connected to the inside of the body 1, and the front end of the moving block 19 is fixedly connected to the flamethrower 21, and the flamethrower 21 is fixedly connected to the connecting rod 22 above, and the connecting rod 22 is fixedly connected to the heat conducting plate 23 above, a heater 24 is arranged above the heat conducting plate 23, the connecting rod 22 is symmetrically arranged about the center of the heat conducting plate 23, and the flamethrower 21 is connected below the connecting rod 22;

[0022] At this time, the flamethrower 21 is started to anneal the fiber grating, and the heater 24 above the upper heat conducting plate 23 can be started at the same time, so that the annealing effect of the fiber grating is better. At the same time, during the annealing process, the second motor 13 can be started to drive the rotating rod 14 to move, so that the moving shaft 15 on the surface of the rotating rod 14 moves in the groove inside the long plate 16, and then drives the long plate 16 to adjust. At the same time, the front end of the long plate 16 drives the connecting plate 18 to adjust through the telescopic plate 17, so that the connecting plate 18 drives the moving block 19 to slide above the sliding rod 20, so that the flamethrowers 21 on both sides move at the same time. At the same time, the flamethrower 21 drives the upper heat conducting plate 23 and the heater 24 to adjust through the connecting rod 22, so as to facilitate annealing of different positions on the surface of the fiber grating. At this time, after the annealing is completed, the fixation of the fiber grating is released, and the fixing block 5 is driven to move backward again by the first motor 2, and the fiber grating is fixed again and pulled forward, and the entire fiber grating is annealed in sections, which can better anneal different positions on the surface of the fiber grating.

[0023] Working principle: When using the fiber Bragg grating annealing device, after the fiber Bragg grating is passed through the fixing plates 11 on both sides of the body 1, the fixing plates 11 slide over the fixing rods 9 and the springs 10 on the surface of the fixing rods 9 contract to support fiber Bragg gratings of different sizes. At the same time, the heat insulation layer 12 on the surface of the fixing plates 11 can prevent heat from being conducted to the springs 10 on the surface of the fixing rods 9, causing the springs 10 to deform. At this time, the push rods 6 drive the adjustment rods 7 on both sides through the hinge shaft for adjustment, and the adjustment rods 7 drive the clamping arms 8 to move. , so that the clamping arms 8 on both sides move toward the middle at the same time. After the fiber grating is fixed, the first motor 2 drives the screw rod 3 to rotate, so that the screw rod 3 adjusts the slider 4 to move, and at the same time drives the upper fixed block 5 to move, and pulls the fiber grating forward, so that the fiber grating slides between the fixing plates 11 on both sides. After the dust on the surface of the fiber grating is simply removed, the fiber grating is moved to the middle of the flamethrowers 21 on both sides. At this time, the flamethrowers 21 are started to anneal the fiber grating, and the upper The heater 24 above the heat conducting plate 23 makes the annealing effect of the fiber grating better. At the same time, during the annealing process, the second motor 13 can be started to drive the rotating rod 14 to move, so that the moving shaft 15 on the surface of the rotating rod 14 moves in the groove inside the long plate 16, and drives the long plate 16 to adjust. At the same time, the front end of the long plate 16 drives the connecting plate 18 to adjust through the telescopic plate 17, so that the connecting plate 18 drives the moving block 19 to slide above the sliding rod 20, so that the flamethrowers 21 on both sides move at the same time, and the flamethrowers 21 are connected to the connecting rod 2 2 drives the upper heat conducting plate 23 and the heater 24 to be adjusted, so as to facilitate annealing of different positions on the surface of the fiber grating. At this time, after the annealing is completed, the fixation of the fiber grating is released, and the fixing block 5 is driven to move backward again by the first motor 2, and the fiber grating is fixed again and pulled forward, and the entire fiber grating is annealed in sections, so that different positions on the surface of the fiber grating can be annealed better, thereby completing a series of tasks. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A fiber Bragg grating annealing device, comprising a body (1); Features: The interior of the machine body (1) is fixedly connected to a support block (25), and the support block (25) is connected to a fixed plate (11) via a buffer mechanism, and a heat insulating layer (12) is provided on the surface of the fixed plate (11); the interior of the machine body (1) is fixedly connected to a first motor (2), the first motor (2) is connected to a screw rod (3), and the screw rod (3) is threadedly connected to a slider (4), and the top of the slider (4) is fixedly connected to a fixed block (5), and a fixing mechanism is provided above the fixed block (5); the machine body (1) is connected to a flamethrower (21) via an adjustment mechanism, and the top of the flamethrower (21) is fixedly connected to a connecting rod (22), and the top of the connecting rod (22) is fixedly connected to a heat conducting plate (23), and a heater (24) is provided above the heat conducting plate (23).

2. A fiber Bragg grating annealing device according to claim 1, characterized in that: The buffer mechanism comprises a fixed rod (9), a spring (10), a fixed plate (11), and a support block (25); the fixed rod (9) and the support block (25) are internally fixedly connected, the front end of the fixed rod (9) and the fixed plate (11) are slidably connected, and the surface of the fixed rod (9) is provided with a spring (10).

3. A fiber Bragg grating annealing device according to claim 1, characterized in that: The fixing mechanism comprises a fixing block (5), a push rod (6), an adjusting rod (7), and a clamping arm (8); the push rod (6) and the fixing block (5) are fixedly connected, the front end of the push rod (6) and the adjusting rod (7) are hinged, the rear end of the adjusting rod (7) and the clamping arm (8) are hinged, and the clamping arm (8) and the fixing block (5) are slidably connected.

4. A fiber Bragg grating annealing device according to claim 2, characterized in that: The two groups of buffer mechanisms inside the machine body (1) are symmetrically arranged, and the front ends of the buffer mechanisms are connected to a fixing plate (11), and the surfaces of the fixing plates (11) are provided with a heat insulation layer (12).

5. The fiber Bragg grating annealing device according to claim 1, characterized in that: The regulating mechanism comprises a second motor (13), a rotating rod (14), a moving shaft (15), a long plate (16), a telescopic plate (17), a connecting plate (18), a moving block (19), a sliding rod (20), and a flamethrower (21); the second motor (13) is fixedly connected to the inside of the machine body (1), and the second motor (13) is connected to the rotating rod (14), and the surface of the rotating rod (14) is fixedly connected to the moving shaft (15); the moving shaft (15) is arranged in a groove inside the long plate (16), and the front end of the long plate (16) is connected to the connecting plate (18) through the telescopic plate (17), and the connecting plate (18) is hinged to the moving block (19), the moving block (19) is slidably connected to the sliding rod (20), and the sliding rod (20) is fixedly connected to the inside of the machine body (1), and the front end of the moving block (19) is fixedly connected to the flamethrower (21).

6. The fiber Bragg grating annealing device according to claim 1, characterized in that: The connecting rods (22) are symmetrically arranged about the center of the heat conducting plate (23), and flamethrowers (21) are connected below the connecting rods (22).

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