Mode-locked fiber laser

Abstract

The utility model relates to the field of fiber lasers, in particular to a mode-locked fiber laser. Comprising a box body, a bottom plate is arranged under the box body, a control panel is mounted at the top of the bottom plate, a mounting box is mounted at the center of the top of the bottom plate, a first motor is arranged in the mounting box, and the output end of the first motor penetrates through the mounting box and then is in transmission connection with a fixing plate; an electric telescopic rod is mounted at the center of the top of the fixing plate, a mounting block is mounted at the output end of the electric telescopic rod, a mounting groove is formed in the top of the mounting block, a rotating rod is arranged in the mounting groove, a second motor is arranged at one end of the mounting block, and a first connecting block fixedly sleeves the rotating rod; a fixing block is installed at the other end of the first connecting block, and a second connecting block is installed at the top of the fixing block. According to the embodiment, quick mounting and dismounting can be achieved, operation is easy, and convenience is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of optical fiber lasers, and particularly relates to a mode-locked optical fiber laser. Background Art

[0002] Fiber laser is a laser that uses glass optical fiber doped with rare earth elements as the gain medium.

[0003] Mode locking is a technique used in laser technology to generate extremely short laser pulses.

[0004] After searching, in the prior art, Chinese patent publication number: CN214589665U, authorization publication date: 2021-11-02, discloses a mode-locked fiber laser, including a shell, the surface of the shell is fixedly connected to the rear of the upper surface of the support plate, the upper surface of the support plate is provided with four first holes, each of the first holes is located at the four corners and is provided with threaded holes, the top plate inside the shell is provided as a ventilation net, one side of the shell is provided as a side plate, one side of the shell is connected to the side plate by a hinge, a fixing component is provided above the side plate, the fixing component is installed at the edge of the upper surface of the shell and corresponds to the side plate, the rear surface of the shell is provided with a power-on hole, the power-on hole passes through the rear of the shell and extends to the outside of the shell, a PCB board is fixedly connected between the lower surfaces inside the shell, a laser emitter is installed in front of the upper surface of the PCB board, the laser emitter passes through the shell and is connected to the laser head, a mode-locking chip is provided behind the laser emitter, and the mode-locking chip is installed on the upper surface of the PCB board. The above embodiments improve the working efficiency of the laser.

[0005] However, the device still has the following defects: the above embodiment does not have an adjustment effect. If the facing direction and angle of the device cannot be adjusted, the device will have limitations when used, thereby reducing the flexibility and practicality of the device. Utility Model Content

[0006] In view of the above problems, the utility model provides a mode-locked fiber laser, comprising a box, a bottom plate is arranged directly below the box, a control panel is installed on the top of the bottom plate, a mounting box is installed at the top center of the bottom plate, a first motor is arranged in the mounting box, an output end of the first motor passes through the mounting box and is connected to a fixed plate in a transmission manner, an electric lifting and retracting rod is installed at the top center of the fixed plate, and a mounting block is installed on the output end of the electric lifting and retracting rod;

[0007] A mounting groove is provided on the top of the mounting block, a rotating rod is provided in the mounting groove, a second motor is provided at one end of the mounting block, an output end of the second motor passes through the mounting block and is transmission-connected to the rotating rod, a first connecting block is fixedly sleeved on the rotating rod, a fixing block is installed at the other end of the first connecting block, a second connecting block is installed on the top of the fixing block, and the top of the second connecting block is installed on the bottom of the box.

[0008] Furthermore, two sets of screws are symmetrically arranged at the top edge of the base plate, the bottom of the fixing plate is slidably fitted on the top of the mounting box, the mounting block is located directly above the mounting box, and the two ends of the rotating rod are rotatably connected to the inner walls on both sides of the mounting block.

[0009] Furthermore, a power-through hole is provided at one end of the box, a laser head is installed at the end of the box away from the power-through hole, a laser emitter is provided in the box, one end of the laser emitter passes through the box and is connected to the laser head, and a locking chip is provided at the end of the laser emitter away from the laser head.

[0010] Furthermore, a blower mechanism is installed at the center of the bottom inner wall of the box body, a box cover is provided directly above the box body, a temperature sensor is installed at the bottom center of the box cover, and two groups of ventilation holes are symmetrically opened at the top edge of the box cover, and a group of dustproof nets are provided in each group of ventilation holes.

[0011] Furthermore, two groups of movable grooves are symmetrically opened at the centers of the corresponding two side walls of the box body, and the movable grooves are located above the laser head. A group of pull-out plates are slidably connected in each group of the movable grooves. Two groups of pressing blocks are symmetrically arranged at both ends of the box body, and one end of each group of the pull-out plates is installed at the center of one side wall of the pressing block.

[0012] Furthermore, a group of mounting plates are installed on the inner walls on both sides corresponding to the box body, and the mounting plates are located below the movable groove. A group of limiting plates are installed on the top end of each group of mounting plates away from the box body, and a spring is installed on the end of each group of pull-out plates away from the pressing block, and the other end of each group of springs is installed on the top of the side wall of the limiting plate.

[0013] Furthermore, a vertical plate is installed at the top end of each group of the pull-out plates away from the laser head, and a group of plug-in plates is installed at the top of the side wall of each group of the vertical plates close to the pressing block.

[0014] Furthermore, two groups of first card slots are symmetrically provided at the top edge of each box body, and two groups of card blocks are symmetrically installed at the bottom edge of the box cover, and each group of card blocks can be movably connected to the first card slots.

[0015] Furthermore, two groups of through holes are symmetrically opened on the corresponding two side walls of the box body, each group of through holes is connected to the first card slot, and two groups of second card slots are symmetrically opened in each group of the box body, and the second card slot is located at the end of the first card slot away from the through hole, and a through slot is opened on the side wall of the dustproof net.

[0016] The beneficial effects of the utility model are:

[0017] 1. The first motor drives the fixed plate to rotate while driving the mounting block and the box to rotate to adjust the orientation of the equipment. The electric lifting and retracting rod drives the mounting block while driving the box to move to adjust the distance between the box and the bottom plate. The second motor drives the rotating rod to rotate while driving the first connecting block to move. The first connecting block drives the fixed block and the second connecting block while driving the box to move to adjust the angle. It has an adjustment effect, reduces limitations, improves flexibility and improves practicality.

[0018] 2. By pressing the pressing block toward the box body, the pressing block drives the pull-out plate to move while driving the vertical plate and the plug-in plate to move. After the plug-in plate is pulled out of the through slot, the box cover is moved, and the card block is pulled out of the first card slot, so that the box cover can be quickly separated from the box body. The pressing block is pressed to movably connect the card block in the first card slot, and the spring is squeezed. After releasing the pressing block, the spring drives the pull-out plate to move while driving the plug-in plate to move. The plug-in plate passes through the through hole and the through slot in turn and is connected with the second card slot. It can be quickly installed and disassembled, and the operation is simple, which improves convenience.

[0019] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 A schematic diagram of the structure of a fiber laser according to an embodiment of the utility model is shown;

[0022] Figure 2 A schematic cross-sectional view of a fiber laser according to an embodiment of the utility model is shown;

[0023] Figure 3 An enlarged view of part A according to an embodiment of the utility model is shown;

[0024] Figure 4 An enlarged view of part B according to an embodiment of the utility model is shown.

[0025] In the figure: 1. box body; 2. bottom plate; 3. control panel; 4. screw; 5. installation box; 6. first motor; 7. fixing plate; 8. electric lifting rod; 9. installation block; 10. installation slot; 11. rotating rod; 12. second motor; 13. first connecting block; 14. fixing block; 15. second connecting block; 16. power-on hole; 17. laser head; 18. laser transmitter; 19. locking chip; 20. blower mechanism; 21. box cover; 22. temperature sensor; 23. vent; 24. dustproof net; 25. movable slot; 26. pull-out plate; 27. pressing block; 28. installation plate; 29. ​​limit plate; 30. spring; 31. vertical plate; 32. plug-in plate; 33. first card slot; 34. card block; 35. through hole; 36. second card slot; 37. through slot. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0027] The utility model embodiment provides a mode-locked fiber laser, including a box 1, exemplarily, as Figure 1 , Figure 2 and Figure 3As shown, a bottom plate 2 is arranged directly below the box body 1, a control panel 3 is installed on the top of the bottom plate 2, two sets of screws 4 are symmetrically arranged at the top edge of the bottom plate 2, a mounting box 5 is installed at the top center of the bottom plate 2, a first motor 6 is arranged in the mounting box 5, an output end of the first motor 6 passes through the mounting box 5 and is connected to a fixing plate 7 after transmission, the bottom of the fixing plate 7 is slidably fitted on the top of the mounting box 5, an electric lifting and retracting rod 8 is installed at the top center of the fixing plate 7, a mounting block 9 is installed on the output end of the electric lifting and retracting rod 8, and the mounting block 9 is located at the mounting box 5. Directly above, a mounting groove 10 is provided on the top of the mounting block 9, a rotating rod 11 is provided in the mounting groove 10, and both ends of the rotating rod 11 are rotatably connected to the inner walls on both sides of the mounting block 9, a second motor 12 is provided at one end of the mounting block 9, and the output end of the second motor 12 passes through the mounting block 9 and is transmission-connected to the rotating rod 11, a first connecting block 13 is fixedly sleeved on the rotating rod 11, a fixing block 14 is installed at the other end of the first connecting block 13, a second connecting block 15 is installed on the top of the fixing block 14, and the top of the second connecting block 15 is installed on the bottom of the box body 1.

[0028] For example, Figure 1 , Figure 2 and Figure 4As shown, a power-through hole 16 is provided at one end of the box 1, a laser head 17 is installed at the end of the box 1 away from the power-through hole 16, a laser emitter 18 is provided in the box 1, one end of the laser emitter 18 passes through the box 1 and is connected to the laser head 17, a locking chip 19 is provided at the end of the laser emitter 18 away from the laser head 17, a blower mechanism 20 is installed at the center of the bottom inner wall of the box 1, a box cover 21 is provided directly above the box 1, and a temperature sensor 22 is installed at the bottom center of the box cover 21, Two groups of ventilation holes 23 are symmetrically provided at the top edge of the box cover 21, and a group of dustproof nets 24 are arranged in each group of ventilation holes 23. Two groups of movable grooves 25 are symmetrically provided at the centers of the corresponding two side walls of the box body 1, and the movable grooves 25 are located above the laser head 17. A group of pull-out plates 26 are slidably connected in each group of movable grooves 25. Two groups of pressing blocks 27 are symmetrically provided at both ends of the box body 1, and one end of each group of the pull-out plates 26 is installed at the center of one side wall of the pressing block 27. The corresponding two side inner walls of the box body 1 A group of mounting plates 28 are installed on each of the groups, and the mounting plates 28 are located below the movable groove 25. A group of limiting plates 29 are installed on the top of each group of mounting plates 28 away from the end of the box body 1. A spring 30 is installed on the end of each group of pull-out plates 26 away from the pressing block 27. The other end of each group of springs 30 is installed on the top of the side wall of the limiting plate 29. A vertical plate 31 is installed on the end of the top of each group of pull-out plates 26 away from the laser head 17. A group of plug-in plates 32 are installed on the top of the side wall of each group of vertical plates 31 close to the pressing block 27. Two groups of first card slots 33 are symmetrically provided at the top edge of the box body 1, and two groups of card blocks 34 are symmetrically installed at the bottom edge of the box cover 21, and each group of the card blocks 34 can be movably connected in the first card slots 33. Two groups of through holes 35 are symmetrically provided on the corresponding two side walls of the box body 1, and each group of the through holes 35 is connected to the first card slots 33. Two groups of second card slots 36 are symmetrically provided in each group of the box body 1, and the second card slots 36 are located at the end of the first card slot 33 away from the through holes 35. A through slot 37 is provided on the side wall of the dustproof net 24.

[0029] Working principle: The bottom plate 2 is attached to the installation surface and fixed by screws 4 and threaded connection with the installation surface. After the fixing is completed, the device is controlled by the control panel 3. The first motor 6 drives the fixing plate 7 to rotate and drives the mounting block 9 and the box 1 to rotate to adjust the orientation of the device. The electric lifting and retracting rod 8 drives the mounting block 9 and drives the box 1 to move to adjust the distance between the box 1 and the bottom plate 2. The second motor 12 drives the rotating rod 11 to rotate and drives the first connecting block 13 to move. The first connecting block 13 drives the fixing block 14 and the second connecting block 15 and drives the box 1 to move to adjust the angle. It has an adjustment effect. By pressing the pressing block 27 to the box 1 is pressed, and the pressing block 27 drives the pull-out plate 26 to move while driving the vertical plate 31 and the plug plate 32 to move. After the plug plate 32 is pulled out of the through slot 37, the box cover 21 is moved, and the clamping block 34 is pulled out of the first clamping slot 33, so that the box cover 21 can be quickly separated from the box body 1, and the equipment inside the box body 1 can be inspected and maintained. The pressing block 27 is pressed to movably clamp the clamping block 34 in the first clamping slot 33, and the spring 30 is squeezed. After the pressing block 27 is released, the spring 30 drives the pull-out plate 26 to move, and the pull-out plate 26 drives the vertical plate 31 and drives the plug plate 32 to move. The plug plate 32 passes through the through hole 35 and the through slot 37 in sequence and is clamped with the second clamping slot 36, and the fixation is completed.

[0030] The first motor 6 drives the fixing plate 7 to rotate while driving the mounting block 9 and the box 1 to rotate to adjust the orientation of the equipment; the electric lifting and retracting rod 8 drives the mounting block 9 while driving the box 1 to move to adjust the distance between the box 1 and the bottom plate 2; the second motor 12 drives the rotating rod 11 to rotate while driving the first connecting block 13 to move; the first connecting block 13 drives the fixing block 14 and the second connecting block 15 while driving the box 1 to move to adjust the angle, which has an adjustment effect, reduces limitations, improves flexibility and improves practicality.

[0031] By pressing the pressing block 27 toward the box body 1, the pressing block 27 drives the pull-out plate 26 to move while driving the vertical plate 31 and the plug plate 32 to move. After the plug plate 32 is pulled out of the through slot 37, the box cover 21 is moved, and the clamping block 34 is pulled out of the first clamping slot 33, and the box cover 21 can be quickly separated from the box body 1. The pressing block 27 is pressed to movably clamp the clamping block 34 in the first clamping slot 33, and the spring 30 is squeezed. After releasing the pressing block 27, the spring 30 drives the pull-out plate 26 to move while driving the plug plate 32 to move. The plug plate 32 passes through the through hole 35 and the through slot 37 in sequence and is clamped with the second clamping slot 36, which can be quickly installed and disassembled, is simple to operate, and improves convenience.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A mode-locked fiber laser, comprising a housing (1), characterized in that: A bottom plate (2) is arranged directly below the box body (1), a control panel (3) is installed on the top of the bottom plate (2), a mounting box (5) is installed at the top center of the bottom plate (2), a first motor (6) is arranged in the mounting box (5), an output end of the first motor (6) passes through the mounting box (5) and is then connected to a fixing plate (7) in a transmission manner, an electric lifting and retracting rod (8) is installed at the top center of the fixing plate (7), and a mounting block (9) is installed on the output end of the electric lifting and retracting rod (8); A mounting groove (10) is provided at the top of the mounting block (9), a rotating rod (11) is arranged in the mounting groove (10), a second motor (12) is arranged at one end of the mounting block (9), an output end of the second motor (12) passes through the mounting block (9) and is transmission-connected to the rotating rod (11), a first connecting block (13) is fixedly sleeved on the rotating rod (11), a fixing block (14) is installed at the other end of the first connecting block (13), a second connecting block (15) is installed at the top of the fixing block (14), and the top of the second connecting block (15) is installed on the bottom of the box body (1).

2. The mode-locked fiber laser according to claim 1, characterized in that: Two groups of screws (4) are symmetrically arranged at the top edge of the bottom plate (2); the bottom of the fixing plate (7) is slidably fitted on the top of the installation box (5); the installation block (9) is located directly above the installation box (5); and the two ends of the rotating rod (11) are rotatably connected to the inner walls on both sides of the installation block (9).

3. The mode-locked fiber laser according to claim 1, characterized in that: One end of the box (1) is provided with a power-on hole (16); an end of the box (1) away from the power-on hole (16) is provided with a laser head (17); a laser emitter (18) is provided in the box (1); one end of the laser emitter (18) passes through the box (1) and is connected to the laser head (17); and a mode-locking chip (19) is provided at one end of the laser emitter (18) away from the laser head (17).

4. The mode-locked fiber laser according to claim 1, characterized in that: A blower mechanism (20) is installed at the center of the bottom inner wall of the box body (1), a box cover (21) is arranged directly above the box body (1), a temperature sensor (22) is installed at the center of the bottom of the box cover (21), and two groups of ventilation holes (23) are symmetrically opened at the top edge of the box cover (21), and a group of dustproof nets (24) are arranged in each group of ventilation holes (23).

5. The mode-locked fiber laser according to claim 1, characterized in that: Two groups of movable grooves (25) are symmetrically provided at the centers of the two corresponding side walls of the box body (1), and the movable grooves (25) are located above the laser head (17). A group of pull-out plates (26) are slidably connected in each group of movable grooves (25). Two groups of pressing blocks (27) are symmetrically provided at both ends of the box body (1), and one end of each group of the pull-out plates (26) is installed at the center of a side wall of the pressing block (27).

6. The mode-locked fiber laser according to claim 5, characterized in that: A group of mounting plates (28) are installed on the inner walls on both sides corresponding to each other of the box body (1), and the mounting plates (28) are located below the movable groove (25). A group of limiting plates (29) are installed on the top of each group of mounting plates (28) at one end away from the box body (1), and a spring (30) is installed on the end of each group of pull-out plates (26) away from the pressing block (27), and the other end of each group of springs (30) is installed on the top of the side wall of the limiting plate (29).

7. The mode-locked fiber laser according to claim 6, characterized in that: A vertical plate (31) is installed at the top of each set of the pull-out plates (26) at one end away from the laser head (17), and a group of plug-in plates (32) is installed at the top of the side wall of each set of the vertical plates (31) close to the pressing block (27).

8. The mode-locked fiber laser according to claim 4, characterized in that: Two groups of first card slots (33) are symmetrically provided at the top edge of each box body (1), and two groups of card blocks (34) are symmetrically installed at the bottom edge of the box cover (21), and each group of card blocks (34) can be movably engaged in the first card slots (33).

9. The mode-locked fiber laser according to claim 8, characterized in that: Two groups of through holes (35) are symmetrically provided on the corresponding side walls of the box body (1), each group of through holes (35) is connected to the first card slot (33), and two groups of second card slots (36) are symmetrically provided in each group of the box body (1), the second card slot (36) is located at one end of the first card slot (33) away from the through holes (35), and a through slot (37) is provided on the side wall of the dustproof net (24).

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