Practical training device for photoelectric technology

Abstract

The invention provides a photoelectric technology practical training device which comprises a mobile cabinet, a power supply control box, a power supply control area, a practical training module mounting plate and a workbench. The practical training table comprises a mobile cabinet of which four side walls are respectively provided with a workbench, a power supply control area and a practical training module mounting plate, so that four students can carry out practical training examination on one mobile cabinet, and the problem that a practical training table in the prior art can only carry out practical training examination on one student is solved; the utilization rate of the device is improved.

Description

Technical Field

[0001] The invention relates to the technical field of photoelectric training equipment, and in particular to a photoelectric technology training device. Background Art

[0002] As human society enters the information age, light and electronics have become the basic carriers of information, and optoelectronics plays an increasingly important role in modern information technology. Electronic devices based on optoelectronic technology have greatly expanded the role of optical engineering technology in human life, constitute an important part of the modern optical industry, and greatly promote the development of human society. At present, the optical communication industry is developing rapidly. Optoelectronic devices are the foundation and core of optical communication systems, and their quality is directly related to the quality of the entire system, subsystems, and stand-alone products. Under the wave of smart city construction, LED display screens will support the operation of smart city systems, and the market demand is even broader.

[0003] With the vigorous development of the LED optoelectronics industry, the demand for talents in the industry is in short supply, and the market demand for such talents will gradually increase. At the same time, the predatory competition for talents and the frequency of mobility will further intensify. Whoever can continue to have such talents will have an advantage in market competition. Therefore, domestic universities attach great importance to the training of optoelectronic technology professionals; however, the optoelectronic technology training device in the existing technology is generally a training table, which can only be used for training and assessment of one student, and the utilization rate is not high. Summary of the invention

[0004] The purpose of the present invention is to design a photoelectric technology training device to solve the problems raised by the background technology. To achieve the above purpose, the present invention provides the following technical solutions: including a mobile cabinet with brakes, a power control box arranged on the top of the mobile cabinet, a power control area installed on the four side walls of the power control box and used to power the training module, a training module mounting plate detachably installed on the side wall of the mobile cabinet, and a workbench installed on the mobile cabinet through a flip mechanism, the workbench is located below the training module mounting plate, and the workbench and the training module mounting plate are each provided on the four side walls of the mobile cabinet.

[0005] Furthermore, a first slot is provided on the mobile cabinet, the workbench is located in the first slot and the table top of the workbench is flush with the side wall of the mobile cabinet, the flipping mechanism includes a first U-shaped plate fixed to the bottom of the first slot, a second U-shaped plate rotatably connected to the first U-shaped plate, a limit frame rotatably connected to the first U-shaped plate, and a limit member rotatably connected to the second U-shaped plate and used to limit the movement of the limit frame, the workbench is fixed to the top of the second U-shaped plate, and the second U-shaped plate can be embedded in the interior of the first U-shaped plate.

[0006] Further, the limit frame includes a first rotating shaft rotatably connected to the first U-shaped plate, connecting rods installed at both ends of the first rotating shaft and a movable shaft connected to one end of the connecting rod away from the first rotating shaft, and aligned straight grooves are provided between the two side walls of the second U-shaped plate, and the movable shaft passes through the two straight grooves at the same time. The limit member includes a second rotating shaft rotatably connected to the second U-shaped plate, a torsion spring sleeved on the second rotating shaft and a limit block rotatably connected to the second rotating shaft, one end of the torsion spring is fixedly connected to the inner wall of the second U-shaped plate, and the other end of the torsion spring is tightly attached to the limit block. The top of the limit block is tightly attached to the top of the second U-shaped plate under the action of the torsion spring, and the limit block is provided with an inclined surface, and the movable shaft is attached to the inclined surface.

[0007] Furthermore, a hidden handle is provided on the workbench, and an antistatic pad is fixedly connected to the workbench.

[0008] Furthermore, the power control box is detachably connected to the top of the mobile cabinet, and the connecting wire is connected to the inside of the mobile cabinet through the bottom through hole of the power control box. The top of the mobile cabinet is provided with oblique strip-shaped heat dissipation holes around.

[0009] Furthermore, a first fixed plate is provided inside the mobile cabinet, and four groups of mounting frames are distributed circumferentially on the first fixed plate. One group of mounting frames includes four vertical rods, and a plurality of first drawers are slidably connected to the four vertical rods. The first drawers respectively penetrate the side walls of the mobile cabinet and are flush with the workbench.

[0010] Furthermore, a partition is provided at the bottom of the first fixed plate, one side of the partition is an installation chamber for installing electronic components such as batteries, and the other side of the partition is connected to a second drawer, and the installation chamber is isolated from the outside by an opening and closing door.

[0011] Furthermore, the first drawer and the second drawer are both provided with hidden handles.

[0012] Furthermore, a mesh plate is detachably mounted on the middle part of the training module mounting plate by bolts, and a vertical mounting slot group with a plurality of vertical slots and a horizontal mounting slot group with a plurality of horizontal slots are provided on the mesh plate, and the vertical mounting slot group and the horizontal mounting slot group are alternately distributed, and the training module is fixed to the mesh plate by fixing rubber particles, and the fixing rubber particles pass through the vertical slots or the horizontal slots, and the fixing rubber particles are tightened in the vertical slots or the horizontal slots under the action of self-tapping screws.

[0013] Furthermore, the fixed rubber particle includes a tightening portion that passes through the vertical slot or the horizontal slot and a fixing platform for limiting the fixed rubber particle, the size of the fixing platform is larger than the size of the vertical slot or the horizontal slot, and the fixed rubber particle is provided with cross-distributed positioning slots, and the self-tapping screw passes through the intersection of the positioning slots.

[0014] Furthermore, a second slot is provided on the upper part of the mobile cabinet, the training module mounting plate is located in the second slot, a row of input and output slots is provided at the bottom of the training module mounting plate, one side end of the training module mounting plate is rotatably connected to the side wall of the second slot through two elastic components, a door lock for opening and closing the door is provided on the side end of the training module mounting plate facing away from the elastic component, the training module mounting plate is fixed in the second slot under the action of the lock tongue of the door lock, and the four side walls of the second slot are provided with mounting holes that cooperate with the L-shaped rod of the elastic component.

[0015] Furthermore, the elastic component includes a third U-shaped plate fixedly connected to the training module mounting plate, the L-shaped rod slidably connected to the third U-shaped plate, and a spring sleeved on the L-shaped rod, a baffle is fixedly connected to the L-shaped rod located inside the third U-shaped plate, and the spring is located between the baffle and the inner bottom of the third U-shaped plate.

[0016] Furthermore, a second fixing plate is also provided inside the mobile cabinet, and an L-shaped mounting plate is provided on each of the four corners of the second fixing plate. The L-shaped mounting plate is provided with mounting holes, and one side plate of the L-shaped mounting plate is parallel to the training module mounting plate, and two side plates parallel to the training module mounting plate and located on different L-shaped mounting plates are detachably connected with several training plates for lighting training, and there is a gap between the training plate and the training module mounting plate.

[0017] Furthermore, the training board includes a lamp mounting plate and a transition plate with a wooden board detachably mounted thereon, the transition plate is connected to an L-shaped plate by bolts, and the wooden board is pressed tightly against the transition plate by the L-shaped plate.

[0018] Furthermore, a plurality of placement frames for storing the training boards are fixedly connected to the middle portion of the second fixed plate.

[0019] Furthermore, the bottoms of the plurality of placement frames are fixedly connected to the rotating disk, and the middle portion of the rotating disk is rotatably connected to the second fixed plate via a rotating shaft.

[0020] Compared with the prior art, the present invention has the following beneficial effects: the present invention includes a mobile cabinet with four side walls each provided with a workbench, a power control area and a training module mounting plate, so that four students can be trained and assessed on one mobile cabinet, thereby eliminating the problem in the prior art that the training table can only be used for training and assessment of one student; and the utilization rate of the device is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention 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 only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a partial cross-sectional schematic diagram of the present invention; Figure 3 It is the overall structural diagram of the flipping mechanism; Figure 4 It is a partial enlarged schematic diagram of the mesh plate; Figure 5 Schematic diagram of the overall structure of the elastic component.

[0023] Among them: 1. Power control box; 2. Oblique strip heat dissipation holes; 3. Power control area; 4. Training module installation plate; 5. Training module; 6. Workbench; 7. Flip mechanism; 8. First notch; 9. Second drawer; 10. First drawer; 11. Mobile cabinet; 12. Inlet and outlet notches; 13. Mesh plate; 14. Lock; 15. First U-shaped plate; 16. Connecting rod; 17. First rotating shaft; 18. Second U-shaped plate; 19. Straight notch; 20. Moving shaft; 21. Second Rotating shaft; 22. Limit block; 23. Lamp mounting plate; 24. Transition plate; 25. Wooden board; 26. Training board; 27. First fixed plate; 28. Vertical rod; 29. ​​Second fixed plate; 30. Rotating disk; 31. Placing frame; 32. L-shaped mounting plate; 33. Fixing rubber particles; 34. Self-tapping screws; 35. Fixing platform; 36. Positioning notch; 37. Tensioning part; 38. L-shaped rod; 39. Spring; 40. Third U-shaped plate; 41. Mounting hole; 42. Second notch. DETAILED DESCRIPTION

[0024] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation mode, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0025] Example: Please refer to Figure 1-5 , a photoelectric technology training device, including a mobile cabinet 11 with brakes, a power control box 1 arranged on the top of the mobile cabinet 11, a power control area 3 installed on the four side walls of the power control box 1 and used to supply power to the training module 5, a training module mounting plate 4 detachably mounted on the side wall of the mobile cabinet 11 and a workbench 6 installed on the mobile cabinet 11 through a flip mechanism 7, the workbench 6 is located below the training module mounting plate 4, and a workbench 6 and a training module mounting plate 4 are provided on each of the four side walls of the mobile cabinet 11; wherein, the power control box 1 adopts the existing common control box, which can be used for the design, installation and testing of lamps; it is used to support the installation, implementation, debugging and maintenance of intelligent lighting control systems, photoelectric application systems, LED light strip decoration modules, and LED display screen modules, so as to realize the training function for students; I will not go into too much detail here; and the power control area 3 is configured with a number of power switches, The leakage protection switch and the emergency stop button switch ensure the safety of students' practical electricity use; the mobile cabinet 11 adopts the form of a rectangular column, and the four side walls of the mobile cabinet 11 are equipped with a workbench 6, a power control area 3 and a training module mounting plate 4. Therefore, practical training and assessment can be carried out on the four sides of the mobile cabinet 11, thereby eliminating the problem that the training table in the prior art can only be used for practical training and assessment of one student, and improving the utilization rate of the device; the power control box 1 is detachably connected to the top of the mobile cabinet 11, and the connecting line is connected to the inside of the mobile cabinet 11 through the bottom through hole of the power control box 1, wherein the detachable method is in the form of bolt connection, which can realize the functions of split sales, convenient installation, simple practical box and the like; and the top of the mobile cabinet 11 is provided with oblique strip type heat dissipation holes 2 around, and compared with the vertical holes, the oblique strip type heat dissipation holes 2 have a stronger heat dissipation capacity and are more conducive to the heat dissipation of the power control box 1.

[0026] In this embodiment, a first notch 8 is provided on the mobile cabinet 11. When the workbench 6 is in the initial state, the workbench 6 will be located in the first notch 8 and the table surface of the workbench 6 will be flush with the side wall of the mobile cabinet 11, thereby ensuring the compactness of the device structure. The flip mechanism 7 includes a first U-shaped plate 15 fixedly connected to the bottom of the first notch 8, a second U-shaped plate 18 rotatably connected to the first U-shaped plate 15, a limit frame rotatably connected to the first U-shaped plate 15, and a limit member rotatably connected to the second U-shaped plate 18 and used to limit the movement of the limit frame. The workbench 6 is fixedly connected to the top of the second U-shaped plate 18, and the second U-shaped plate 18 can be embedded in the interior of the first U-shaped plate 15, and the limit frame includes a first rotating shaft rotatably connected to the first U-shaped plate 15 17, connecting rods 16 installed at both ends of the first rotating shaft 17 and a moving shaft 20 connected to one end of the connecting rod 16 away from the first rotating shaft, aligned straight slots 19 are provided between the two side walls of the second U-shaped plate 18, and the moving shaft 20 simultaneously passes through the two straight slots 19, and the limiting member includes a second rotating shaft 21 rotatably connected to the second U-shaped plate 18, a torsion spring sleeved on the second rotating shaft, and a limiting block 22 rotatably connected to the second rotating shaft 21, one end of the torsion spring is fixedly connected to the inner wall of the second U-shaped plate 18, and the other end of the torsion spring is tightly attached to the limiting block 22, and the top of the limiting block 22 is tightly attached to the top of the second U-shaped plate 18 under the action of the torsion spring, and an inclined surface is provided on the limiting block 22, and the moving shaft 20 is attached to the inclined surface, and the workbench 6 A hidden handle is provided on the top, wherein the handle adopts the existing common hidden handle when hidden, and no further elaboration is made here; therefore, when it is necessary to flip the workbench 6, it is only necessary to pull the hidden handle to rotate the second U-shaped plate 18, thereby causing the movable shaft 20 to slide inward in the straight slot 19, and when it contacts the other inclined surface of the limit block 22 away from the inclined surface, the second U-shaped plate 18 continues to be rotated, and the limit block 22 rotates under the action of the movable shaft 20, and at the same time, the top of the limit block 22 leaves the inner top of the second U-shaped plate 18. In this process, the torsion spring is twisted and force is accumulated, and when the movable shaft 20 passes through the gap between the top of the limit block 22 and the inner top of the second U-shaped plate 18, the limit block 22 is in the torsion spring. , and then release the hidden handle. Under the action of gravity of the workbench 6, the inclined surface on the limit block 22 will be close to the movable shaft 20, thereby realizing the limit of the horizontal position of the workbench 6 and ensuring the stability of students' operation on the workbench 6; when the workbench 6 needs to be reset, it is only necessary to push the bottom of the limit block 22 outward to make the top of the limit block 22 leave the top of the second U-shaped plate 18, and the movable shaft 20 will pass through the gap between the top of the limit block 22 and the top of the second U-shaped plate 18 again and move outward, at which time the workbench 6 can be retracted into the first slot 8; in addition, an anti-static pad is fixed to the workbench 6 to reduce the impact of static electricity when students install electronic components on the workbench 6.

[0027] In this embodiment, a first fixing plate 27 is provided inside the mobile cabinet 11. Four groups of mounting frames are distributed circumferentially on the first fixing plate 27. One group of mounting frames includes four vertical rods 28. Two first drawers 10 are slidably connected to the four vertical rods 28. The first drawers 10 respectively penetrate the side walls of the mobile cabinet 11 and are flush with the workbench 6. The first drawers 10 are conventional drawers, and the drawers are installed by fixing the slide rails in the drawers to the vertical rods 28, which greatly reduces the complexity of the device structure and reduces the production cost of the device. One workbench 6 corresponds to two The first drawer 10 can be used to store materials, tools, and testing instruments to ensure the normal conduct of student training; a mesh plate 13 is detachably installed in the middle of the training module mounting plate 4 by bolts, and a vertical mounting slot group with a plurality of vertical slots and a horizontal mounting slot group with a plurality of horizontal slots are provided on the mesh plate 13, and the vertical mounting slot groups and the horizontal mounting slot groups are alternately distributed. The training module 5 is fixed to the mesh plate 13 by fixed rubber particles 33, and the fixed rubber particles 33 pass through the vertical slots or the horizontal slots, and the fixed rubber particles are tightened in the vertical slots or the horizontal slots under the action of self-tapping screws 34; When installing the training module 5, it is only necessary to pass the fixing rubber particles 33 through the corresponding vertical slots or horizontal slots according to the size of the training module 5, and then align the fixing holes of the training module 5 with the fixing rubber particles 33, and then screw the self-tapping screws 34 through the fixing holes into the fixing rubber particles 33, and the fixing rubber particles 33 will expand to tighten the vertical slots or horizontal slots, thereby achieving the installation of the training module 5. Compared with the traditional overlapping or clamping method, this installation process is simple and makes the installation of the training module 5 more firm and compact; the vertical installation slot group and the horizontal installation slot group are The alternating distribution of the groups is more conducive to the installation of training modules 5 of different sizes; the fixed rubber particles 33 include a tightening portion 37 that penetrates the vertical slot or the horizontal slot and a fixing platform 35 for limiting the fixed rubber particles 33, and the size of the fixing platform 35 is larger than the size of the vertical slot or the horizontal slot, so as to facilitate the rapid installation of the fixed rubber particles 33; and the fixed rubber particles 33 are provided with cross-distributed positioning slots 36, and the self-tapping screws 34 penetrate the intersection of the positioning slots 36, which is convenient for the positioning of the automatic bolts, so that the expansion of the fixed rubber particles 33 is more uniform, thereby improving the installation quality of the training module 5;In addition, a second slot 42 is provided on the upper portion of the mobile cabinet 11, the training module mounting plate 4 is located in the second slot 42, a row of inlet and outlet slots 12 is provided at the bottom of the training module mounting plate 4, one side end of the training module mounting plate 4 is rotatably connected to the side wall of the second slot 42 through two elastic components, a door lock for opening and closing the door is provided on one side end of the training module mounting plate 4 away from the elastic component, the training module mounting plate 4 is fixed in the second slot 42 under the action of the lock tongue of the door lock, and the four side walls of the second slot 42 are provided with The L-shaped rod 38 of the elastic component matches the mounting hole 41, and the elastic component includes a third U-shaped plate 40 fixedly connected to the training module mounting plate 4, an L-shaped rod 38 slidably connected to the third U-shaped plate 40, and a spring 39 sleeved on the L-shaped rod 38. A baffle is fixedly connected to the L-shaped rod 38 inside the third U-shaped plate 40, and the spring 39 is located between the baffle and the inner bottom of the third U-shaped plate 40. Therefore, in order to facilitate the installation of the training module 5, the students can disassemble the training module mounting plate 4, and during installation, the training module mounting plate 4 can be The training module mounting plate 4 can be installed in the second slot 42 in different directions, so that the inlet and outlet slots 12 can be in a vertical or horizontal state, thereby improving the flexibility of the device; when the training module mounting plate 4 needs to be removed, the key is first inserted to open the door lock, and then the training module mounting plate 4 is opened, and then the L-shaped rod 38 is pulled out to make the L-shaped rod 38 disengage from the mounting hole 41 in the second slot 42. When the two L-shaped rods 38 are disengaged from the mounting holes 41, the training module mounting plate 4 can be taken out; and when installing the training module mounting plate 4, the inlet and outlet slots 12 are placed in a vertical or horizontal state according to the inlet and outlet lines. The position of the slot 12 (upper, lower, left or right) is determined by aligning the two L-shaped rods 38 with the mounting holes 41 in the corresponding second slot 42; in addition, a partition is provided at the bottom of the first fixing plate 27, one side of which is an installation chamber for installing electronic components such as batteries, which is isolated from the outside by an opening and closing door to provide power for the device; and the other side of the partition is connected to a large-sized second drawer 9, which is convenient for storing the mesh plate 13 and spare tools, wherein the first drawer 10 and the second drawer 9 are both provided with hidden handles for easy pulling. ;

[0028] In this embodiment, a second fixing plate 29 is further provided inside the mobile cabinet 11, and an L-shaped mounting plate 32 is provided on each of the four corners of the second fixing plate 29, and mounting holes 41 are provided on the L-shaped mounting plate 32. One side plate of the L-shaped mounting plate 32 is parallel to the training module mounting plate 4, and two side plates parallel to the training module mounting plate 4 and located on different L-shaped mounting plates 32 are detachably connected with a number of training plates 26 for lamp training, and there is a gap between the training plates 26 and the training module mounting plate 4. When the training module mounting plate 4 is removed, students can conduct lamp training on the training plates 26; the training plates 26 include lamp mounting plates 23 and transition plates 24 with detachable wooden boards 25, wherein the lamp mounting plates 23 are provided with different lamp mounting holes 41, thereby ensuring the installation of different lamps; and the transition plate is connected to the L-shaped plate by bolts, and the wooden board 25 is pressed against the transition plate 24 through the L-shaped plate, and when students are training, they can directly use self-tapping screws to The wiring trough or electronic components are installed on the wooden board 25 by self-tapping screws. Compared with the installation of the mesh plate 13, this method is simpler; when another student is practicing, he can first remove the self-tapping screws, and then install the wiring trough or electronic components on the wooden board 25 by self-tapping screws again. During the installation process, students can also practice the layout of electronic components, so as to maximize the function of the optoelectronic training platform. When the wooden board 25 is over-punched, the wooden board 25 can be replaced by removing the L-shaped board; a plurality of placement frames 31 for storing training boards 26 are fixedly connected to the middle part of the second fixed plate 29, which is convenient for the placement and storage of redundant or different types of training boards 26; and the bottoms of the plurality of placement frames 31 are all fixedly connected to the rotating disk 30, and the middle part of the rotating disk 30 is rotatably connected to the second fixed plate 29 through a rotating shaft, wherein the rotatable connection method can be in the form of a bearing connection, which is convenient for students located in different side walls to take or replace the training boards 26.

[0029] Working principle: The present invention includes a mobile cabinet 11 with four side walls each provided with a workbench 6, a power control area 3 and a training module mounting plate 4, so that four students can be trained and assessed on one mobile cabinet 11, thereby eliminating the problem that the training table in the prior art can only be used for one student, thereby improving the utilization rate of the device; When the students are doing practical training, they first pull the hidden handle to rotate the second U-shaped plate 18, thereby causing the movable shaft 20 to slide inward in the straight slot 19. When it contacts the other inclined surface of the limit block 22 away from the inclined surface, the second U-shaped plate 18 continues to be rotated. The limit block 22 rotates under the action of the movable shaft 20, and at the same time, the top of the limit block 22 leaves the inner top of the second U-shaped plate 18. During this process, the torsion spring is twisted and accumulates force. When the movable shaft 20 passes through the gap between the top of the limit block 22 and the inner top of the second U-shaped plate 18, the limit block 22 is reset under the action of the torsion spring, and then the hidden handle is released. Under the action of the gravity of the workbench 6, the inclined surface on the limit block 22 will be close to the movable shaft 20, thereby realizing the horizontal position limit of the workbench 6. Then the students can place the electronic components and the practical training module 5 on the workbench 6; When the training module 5 needs to be installed, it is only necessary to pass the fixing rubber particles 33 through the corresponding vertical slots or horizontal slots according to the size of the training module 5, and then align the fixing holes of the training module 5 with the fixing rubber particles 33, and then screw the self-tapping screws 34 through the fixing holes into the fixing rubber particles 33. The fixing rubber particles 33 will expand and tighten the vertical slots or horizontal slots, thereby realizing the installation of the training module 5.

[0030] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an element centered thereon. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an element centered thereon. The terms "upper", "lower", "left", "right", "front", "rear" and similar expressions used herein are for illustrative purposes only.

[0031] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A photoelectric technology training device, characterized in that: The invention comprises a mobile cabinet (11) capable of being braked, a power control box (1) arranged on the top of the mobile cabinet (11), a power control area (3) installed on the four side walls of the power control box (1) and used for supplying power to a training module (5), a training module mounting plate (4) detachably mounted on the side wall of the mobile cabinet (11), and a workbench (6) installed on the mobile cabinet (11) via a flip mechanism (7), wherein the workbench (6) is located below the training module mounting plate (4), and each of the four side walls of the mobile cabinet (11) is provided with the workbench (6) and the training module mounting plate (4).

2. The photoelectric technology training device according to claim 1, characterized in that: The mobile cabinet (11) is provided with a first notch (8), the workbench (6) is located in the first notch (8) and the tabletop of the workbench (6) is flush with the side wall of the mobile cabinet (11), the turning mechanism (7) comprises a first U-shaped plate (15) fixedly connected to the bottom of the first notch (8), a second U-shaped plate (18) rotatably connected to the first U-shaped plate (15), a limiting frame rotatably connected to the first U-shaped plate (15) and a limiting member rotatably connected to the second U-shaped plate (18) and used for limiting the movement of the limiting frame, the workbench (6) is fixedly connected to the top of the second U-shaped plate (18), and the second U-shaped plate (18) can be embedded in the interior of the first U-shaped plate (15).

3. The photoelectric technology training device according to claim 2 is characterized in that: The limiting frame comprises a first rotating shaft (17) rotatably connected to the first U-shaped plate (15), connecting rods (16) installed at both ends of the first rotating shaft (17) and a movable shaft (20) connected to one end of the connecting rod (16) away from the first rotating shaft (17), and aligned straight notches (19) are provided between the two side walls of the second U-shaped plate (18), and the movable shaft (20) simultaneously passes through the two straight notches (19), and the limiting member comprises a first rotating shaft (17) rotatably connected to the second U-shaped plate (18) A second rotating shaft (21) on the second rotating shaft (21), a torsion spring sleeved on the second rotating shaft (21) and a limit block (22) rotatably connected to the second rotating shaft (21), one end of the torsion spring is fixedly connected to the inner wall of the second U-shaped plate (18), the other end of the torsion spring is tightly attached to the limit block (22), the top of the limit block (22) is tightly attached to the top of the second U-shaped plate (18) under the action of the torsion spring, the limit block (22) is provided with an inclined surface, and the movable shaft (20) is attached to the inclined surface.

4. The photoelectric technology training device according to claim 3 is characterized in that: The workbench (6) is provided with a hidden handle, and an antistatic pad is fixedly connected to the workbench (6).

5. The photoelectric technology training device according to claim 1 is characterized in that: The power control box (1) is detachably connected to the top of the mobile cabinet (11); a connection line is connected to the inside of the mobile cabinet (11) through a through hole at the bottom of the power control box (1); and oblique strip-shaped heat dissipation holes (2) are provided around the top of the mobile cabinet (11).

6. The photoelectric technology training device according to claim 1, characterized in that: A first fixing plate (27) is provided inside the mobile cabinet (11), and four groups of mounting frames are circumferentially distributed on the first fixing plate (27), one group of mounting frames includes four vertical rods (28), and a plurality of first drawers (10) are slidably connected to the four vertical rods (28), and the first drawers (10) respectively penetrate the side walls of the mobile cabinet (11) and are flush with the workbench (6).

7. The photoelectric technology training device according to claim 1 is characterized in that: A mesh plate (13) is detachably mounted on the middle part of the training module mounting plate (4) by means of bolts. The mesh plate (13) is provided with a vertical mounting slot group having a plurality of vertical slots and a horizontal mounting slot group having a plurality of horizontal slots. The vertical mounting slot group and the horizontal mounting slot group are alternately distributed. The training module (5) is fixedly connected to the mesh plate (13) by means of fixed rubber particles (33). The fixed rubber particles (33) pass through the vertical slots or the horizontal slots. The fixed rubber particles (33) are tightened in the vertical slots or the horizontal slots under the action of self-tapping screws (34).

8. The optoelectronic technology training device according to claim 7, characterized in that: The fixed rubber particle (33) comprises a tensioning portion (37) penetrating the vertical slot or the horizontal slot and a fixing platform (35) for limiting the fixed rubber particle (33); the size of the fixing platform (35) is larger than the size of the vertical slot or the horizontal slot; and the fixed rubber particle (33) is provided with cross-distributed positioning slots (36); the self-tapping screw (34) penetrates the intersection of the positioning slots (36).

9. The optoelectronic technology training device according to claim 1, characterized in that: The upper part of the mobile cabinet (11) is provided with a second slot (42), the training module mounting plate (4) is located in the second slot (42), the bottom of the training module mounting plate (4) is provided with a row of inlet and outlet slots (12), one side end of the training module mounting plate (4) is rotatably connected to the side wall of the second slot (42) through two elastic components, a door lock for opening and closing the door is provided on the side end of the training module mounting plate (4) away from the elastic component, the training module mounting plate (4) is fixed in the second slot (42) under the action of the lock tongue of the door lock, and the four side walls of the second slot (42) are provided with mounting holes (41) that cooperate with the L-shaped rod (38) of the elastic component.

10. The optoelectronic technology training device according to claim 9, characterized in that: The elastic component comprises a third U-shaped plate (40) fixedly connected to the training module mounting plate (4), the L-shaped rod (38) slidably connected to the third U-shaped plate (40), and a spring (39) sleeved on the L-shaped rod (38), a baffle is fixedly connected to the L-shaped rod (38) located inside the third U-shaped plate (40), and the spring (39) is located between the baffle and the inner bottom of the third U-shaped plate (40).

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