A spraying device and spraying method for processing a PID-attenuated TOPcon photovoltaic module

Abstract

The application relates to the field of spraying technology and discloses a spraying device and a spraying method for processing a TOPcon photovoltaic module without PID attenuation, which comprises a vacuum chuck, the bottom of the vacuum chuck is provided with a moving device for driving the vacuum chuck to move, and the vacuum chuck is used for adsorbing and positioning a photovoltaic panel. Two air blowing units are designed, so that when the moving seat and the spraying head move through the moving unit, the two air blowing units can blow air at both ends of the spraying head. Meanwhile, through the cooperation of the transmission unit and the adjusting piece, the rotating speed of the air blowing units at both ends can be adjusted, so that during each spraying, the air blowing unit at the front end of the spraying moving direction blows air at a high rotating speed, dust can be blown away, the air blowing unit at the rear end blows air at a low rotating speed, the part just sprayed can be blown by airflow, and the coating can be dried.

Description

Technical Field

[0001] This invention relates to the field of spraying technology, specifically to a spraying device and method for processing TOPcon photovoltaic modules without PID attenuation. Background Technology

[0002] TOPcon photovoltaic modules are solar cells that use an ultra-thin tunneling oxide layer as a passivation layer structure.

[0003] Solar panel coating is a protective coating applied to the surface of the solar panel. It is mainly used to improve the panel's waterproof, corrosion-resistant, and UV-resistant capabilities, and to reduce the impact of dust and smog on the panel's power generation efficiency. Spraying involves spraying a special coating onto the outside of the photovoltaic module to achieve a protective effect. Spraying allows the coating to adhere evenly and quickly to the surface of the photovoltaic module. Existing spraying methods are still affected by dust particles during spraying, which can lead to small bumps in the coating, affecting the stability of the coating and the use of photovoltaic modules. The common method of dust removal is to blow air before spraying. However, blowing air can only blow away and disperse the dust particles, and the dust that falls off will fall back onto the photovoltaic panel. At the same time, blowing air at the front of the spray head means that the spraying can only move forward in one direction. When the spray head moves back, it cannot spray, which affects the spraying efficiency. To address this, we propose a spraying device and spraying method for TOPcon photovoltaic module processing without PID attenuation. Summary of the Invention

[0004] The purpose of this invention is to provide a spraying device and spraying method for processing TOPcon photovoltaic modules without PID attenuation, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a spraying device for processing TOPcon photovoltaic modules without PID attenuation, comprising a vacuum suction cup, wherein a mobile device for moving the vacuum suction cup is mounted on the bottom of the vacuum suction cup, and the vacuum suction cup is used for adsorption and positioning of the photovoltaic panel; further comprising two mounting brackets mounted at both ends of the vacuum suction cup, wherein a moving unit is mounted in the two mounting brackets, and a moving seat is connected to the moving unit, wherein a spraying head is mounted on the bottom of the moving seat; mounting plates mounted on both sides of the moving seat, wherein an air blowing unit is mounted on the mounting plate, the air blowing unit is used for removing dust particles from the photovoltaic panel, and a drive mechanism for driving the two air blowing units is also mounted on the mounting plate.

[0006] Preferably, the moving unit includes a lead screw and a slide rod. One end of the lead screw is rotatably connected to one of the mounting brackets via a bearing, and the other end slides through another mounting bracket. A moving motor is fixed to the outer end of the mounting bracket rotatably connected to the lead screw via a motor frame. The output end of the moving motor is fixed to the outer end of the lead screw via a coupling. Two slide cylinders are fixed on the mounting bracket away from the moving motor. One slide cylinder is slidably connected to the lead screw, and the other slide cylinder is slidably connected to the slide rod. The end of the slide rod away from the slide cylinder is fixed to the mounting bracket. The moving seat is threaded onto the outside of the lead screw and slidably connected to the slide rod. The moving unit can drive the moving seat to reciprocate. At the same time, the adjustment of the distance between the two mounting brackets can facilitate the adjustment of photovoltaic panels of different sizes.

[0007] Preferably, the blowing unit includes two blowing cylinders fixed on the mounting plate. The bottom of each blowing cylinder is fixedly connected to a blowing pipe, and a rotating rod is rotatably installed inside the blowing cylinder. A blowing fan blade is fixed to the outside of the rotating rod, and the top of the rotating rod is connected to the drive mechanism. An air suction pipe is also fixed on the mounting plate, and the air suction pipe faces the bottom end of the blowing pipe. A baffle is fixed to one side of the movable seat. The designed blowing unit can blow away dust from the photovoltaic panel.

[0008] Preferably, the driving mechanism includes a drive motor fixed on the movable seat, and a drive gear is fixed to the output end of the drive motor via a coupling. The movable seat is a rectangular ring structure, and a transmission unit that is rotatably mounted on the top of the movable seat and is in contact with the drive gear. Both mounting plates are equipped with docking units that are in contact with the transmission units, and the docking units drive the rotating rod to rotate. The designed driving mechanism provides power to drive the air blowing unit to blow air.

[0009] Preferably, the transmission unit includes a docking column rotatably mounted on the top of the movable seat, a rotating plate fixed to the bottom of the docking column, and adjusting components for adjusting the rotation of the rotating plate installed on the top of the movable seat and adjacent sides of the two mounting brackets. Both ends of the rotating plate are rotatably mounted with transmission rods via bearings. The bottom of the two transmission rods is fixed with transmission gears that mesh with the drive gear, and the bottom of the two transmission rods is respectively fixed with a large transmission gear and a small transmission gear. The transmission rods are docked with the two docking units through the large transmission gear and the small transmission gear. The transmission unit can transmit the power of the drive gear to the docking unit.

[0010] Preferably, the adjusting component includes adjusting rods fixed on the two mounting brackets and adjusting discs fixed to the top of the movable seat via fixing plates. Both ends of the rotating plate are fixed with abutting plates adapted to the adjusting rods, and the rotating plate is provided with adjusting ports. Limiting posts are fixed in the adjusting ports, and adjusting posts are slidably inserted into the adjusting ports. The adjusting posts are slidably inserted into the limiting posts. Both ends of the adjusting disc are provided with limiting ports that are opposite to the bottom of the limiting posts. The top of the adjusting posts is fixed with tension springs that are fixed to the connecting posts. The design of the adjusting component satisfies the steering adjustment of the rotating plate in the transmission unit.

[0011] Preferably, the docking unit includes two docking rods rotatably mounted on the mounting plate. The top of the two docking rods is respectively fixed with a docking pinion and a docking gear, and they are connected to the transmission gear and the transmission pinion through the docking pinion and the docking gear. The outer sides of the two docking rods are fixed with linkage components that are fixed to the rotating rod. The designed docking unit satisfies the requirement of docking with the transmission unit.

[0012] Preferably, the linkage includes a linkage gear fixed to the outside of the two docking rods and a driven wheel fixed to the outside of the two rotating rods. The two linkage gears and the two driven wheels are fitted with toothed belts on their outer sides. Two tension rods are fixed on the mounting plate, and the two tension rods abut against the outer side of the toothed belt. The linkage is designed to drive the two rotating rods to rotate synchronously when the two docking rods rotate.

[0013] Preferably, the top and bottom of the drive gear are provided with grooves, and two buckles that slide and engage with the grooves are fixed on the outside of the transmission rod. The two buckles are located at the top and bottom of the transmission gear. The buckles are designed to slide and engage with the grooves, so that the transmission gear can rotate stably along the outside of the drive gear.

[0014] A spraying method for processing TOPcon photovoltaic modules without PID attenuation includes the following steps; S1. Personnel first place the TOPcon photovoltaic panel on the vacuum suction cup for vacuum positioning; S2. The moving unit drives the spray head to reciprocate spraying along the surface of the TOPcon photovoltaic panel; S3. When spraying forward, the air blowing unit blows the dust particles at the front of the spraying end and sucks them away with the suction pipe. After moving to the point where it is against the mounting bracket, the transmission unit is turned and docked with the other end of the docking unit. Then, the vacuum suction cup is moved a certain distance by the mobile device. S4. When spraying backward, the transmission unit turns after the previous step and docks with the other end of the docking unit, so that when spraying backward, the blowing unit starts to blow the dust particles in front of the backward end and sucks them away with the suction pipe. S5. Repeat steps S1-S4 until the outer side of the TOPcon photovoltaic panel is completely coated. S4. Connect the rope to the lifting ring and use the lifting equipment to lift and disassemble the slip ring.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention designs two air blowing units, so that when the moving base and the spray head move via the moving unit, the two air blowing units can blow air to both ends of the spray head. At the same time, through the cooperation of the transmission unit and the adjusting component, the speed of the air blowing units at both ends can be adjusted, so that during each spraying, the front air blowing unit in the spraying movement direction blows air at a high speed to blow away dust, while the rear air blowing unit blows air at a low speed to blow air on the part that has just been sprayed, which facilitates the drying of the coating.

[0016] 2. The movable seat designed in this invention moves back and forth through a moving unit, and moves the photovoltaic panel in conjunction with a vacuum suction cup, thereby facilitating the spraying head to spray the outer side of the photovoltaic panel. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the photovoltaic panel under spray coating conditions according to the present invention; Figure 2 This is a schematic diagram of the overall structure of the present invention; Figure 3 This is a top view schematic diagram of the adjusting component of the present invention in the adjusting state; Figure 4 This is a schematic diagram of the structure on the movable base of the present invention; Figure 5 This is a side view of the movable seat of the present invention; Figure 6 This is a schematic diagram showing the connection between the drive mechanism and the air blowing unit of the present invention; Figure 7 This is a schematic diagram of the adjusting component structure of the present invention; Figure 8 This is a schematic diagram showing the connection relationship between the transmission unit and the docking unit of the present invention; Figure 9 This is a schematic diagram of the linkage structure of the present invention.

[0018] In the diagram: 1. Vacuum suction cup; 2. Mounting bracket; 3. Moving unit; 4. Moving base; 5. Spray head; 6. Mounting plate; 7. Air blowing unit; 8. Drive mechanism; 9. Lead screw; 10. Slide rod; 11. Moving motor; 12. Slide cylinder; 13. Air blowing cylinder; 14. Air blowing pipe; 15. Rotating rod; 16. Air blowing fan blade; 17. Suction pipe; 18. Baffle; 19. Drive motor; 20. Drive gear; 21. Transmission unit; 22. Docking unit; 23. Docking column; 24. Rotating plate; 25. Adjusting component; 26. Transmission rod; 27. Transmission gear; 28. Large transmission gear; 29. ​​Small transmission gear; 30. Adjusting rod; 31. Adjusting disc; 32. Abutting plate; 33. Adjusting port; 34. Limiting post; 35. Adjusting post; 36. Limiting port; 37. Tension spring; 38. Connecting rod; 39. Connecting small gear; 40. Connecting large gear; 41. Linkage component; 42. Linkage gear; 43. Driven wheel; 44. Toothed belt; 45. Fastening rod; 46. Groove; 47. Buckle plate. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Example 1 Please see Figures 1-5 The diagram shows a spraying device for processing TOPcon photovoltaic modules without PID attenuation. It includes a vacuum suction cup 1, with a mobile device mounted on the bottom of the vacuum suction cup 1 for moving it. The vacuum suction cup 1 is used for adsorption and positioning of the photovoltaic panel. It also includes two mounting brackets 2 installed at both ends of the vacuum suction cup 1. The two mounting brackets 2 are equipped with moving units 3. Moving seats 4 are connected to the moving units 3. Spraying heads 5 are installed on the bottom of the moving seats 4. Mounting plates 6 are installed on both sides of the moving seats 4. Air blowing units 7 are installed on the mounting plates 6 for removing dust particles from the photovoltaic panel. The mounting plates 6 are also equipped with a drive mechanism 8 for driving the two air blowing units 7.

[0021] In this solution, the existing vacuum suction cup 1 and mobile equipment can be used to position the TOPcon photovoltaic panel and move accordingly as the spraying is carried out. At the same time, the designed moving unit 3 drives the moving base 4 to move back and forth on the photovoltaic panel, driving the spraying head 5 to spray it, thereby realizing the spraying operation. During the spraying process, the design of the drive mechanism 8 and the air blowing unit 7 enables air to be blown at the front end of the spraying movement direction to remove dust particles present on the photovoltaic panel.

[0022] For further details, please refer to [link / reference]. Figure 4 , Figure 6 and Figure 8 , Figure 9 The air blowing unit 7 includes two air blowing cylinders 13 fixed on the mounting plate 6. The bottom of the air blowing cylinder 13 is fixedly connected to the air blowing pipe 14. A rotating rod 15 is rotatably installed inside the air blowing cylinder 13. An air blowing fan blade 16 is fixed on the outside of the rotating rod 15. The top of the rotating rod 15 is connected to the drive mechanism 8. An air suction pipe 17 is also fixed on the mounting plate 6. The air suction pipe 17 faces the bottom end of the air blowing pipe 14. A baffle 18 is fixed on one side of the movable seat 4.

[0023] It should be noted that the drive mechanism 8 drives the rotating rod 15 to rotate, thereby causing the air blowing fan blade 16 to rotate, creating negative pressure inside the air blowing cylinder 13, and thus achieving the blowing operation through the air blowing pipe 14. While blowing away the dust on the photovoltaic panel, in order to prevent the blown dust from falling back onto the photovoltaic panel, the designed suction pipe 17 can suck away the blown dust, thereby achieving dust removal.

[0024] For further details, please refer to [link / reference]. Figures 4-8 The drive mechanism 8 includes a drive motor 19 fixed on the movable seat 4. The output end of the drive motor 19 is fixed with a drive gear 20 through a coupling. The movable seat 4 has a rectangular ring structure. A transmission unit 21 that is connected to the drive gear 20 is rotatably mounted on the top of the movable seat 4. A docking unit 22 that is connected to the transmission unit 21 is mounted on both mounting plates 6. The docking unit 22 drives the rotating rod 15 to rotate. The transmission unit 21 includes a docking column 23 rotatably mounted on the top of the movable seat 4. A rotating plate 24 is fixed to the bottom of the docking column 23. Adjusting components 25 for adjusting the rotation of the rotating plate 24 are installed on the top of the movable seat 4 and the adjacent sides of the two mounting brackets 2. Transmission rods 26 are rotatably mounted on both ends of the rotating plate 24 through bearings. Transmission gears 27 that mesh with the drive gear 20 are fixed to the bottom of the two transmission rods 26. A large transmission gear 28 and a small transmission gear 29 are fixed to the bottom of the two transmission rods 26 respectively, and they dock with the two docking units 22 through the large transmission gear 28 and the small transmission gear 29. Meanwhile, the adjusting component 25 includes adjusting rods 30 fixed on two mounting brackets 2 and adjusting plate 31 fixed to the top of the movable seat 4 by a fixing plate. Both ends of the rotating plate 24 are fixed with abutting plates 32 that are adapted to the adjusting rods 30. The rotating plate 24 is provided with adjusting port 33. A limiting post 34 is fixed in the adjusting port 33. The adjusting post 35 is slidably inserted into the adjusting port 33. The adjusting post 35 and the limiting post 34 are slidably inserted into each other. Both ends of the adjusting plate 31 are provided with limiting ports 36 that are opposite to the bottom of the limiting post 34. The top of the adjusting post 35 is fixed with a tension spring 37 that is fixed to the docking post 23.

[0025] The principle of the adjustment component 25 driving the transmission unit 21 to rotate is as follows: The moving unit 3 drives the moving seat 4 to move. When it moves to the vicinity of the mounting bracket 2, the abutting plate 32 on the rotating plate 24 will come into contact with the adjusting rod 30. As the moving seat 4 continues to move, the adjusting rod 30 will press the abutting plate 32, causing the limiting post 34 in the rotating plate 24 to move along the limiting port 36. Under the push of the external force, it will disengage from the limiting port 36 and move along the adjusting plate 31 to another limiting port 36. Under the action of the tension spring 37, it will be locked, thus completing the rotation adjustment of the rotating plate 24. After that, the moving unit 3 drives the moving seat 4 to move in the opposite direction and abut against the adjusting rod 30 on another mounting bracket 2, causing the rotating plate 24 to rotate again, thereby driving the transmission rod 26 and the transmission large gear 28 and transmission small gear 29 on its outer side to rotate in the corresponding direction.

[0026] For further details, please refer to [link / reference]. Figure 8 and Figure 9 The docking unit 22 includes two docking rods 38 rotatably mounted on the mounting plate 6. The top of the two docking rods 38 is respectively fixed with a docking pinion 39 and a docking gear 40, and they are connected to the transmission gear 28 and the transmission pinion 29 through the docking pinion 39 and the docking gear 40. The outer side of the two docking rods 38 is fixed with a linkage 41 that is fixed to the rotating rod 15. The linkage component 41 includes a linkage gear 42 fixed to the outside of the two connecting rods 38 and a driven wheel 43 fixed to the outside of the two rotating rods 15. The two linkage gears 42 and the two driven wheels 43 are fitted with toothed belts 44. Two tensioning rods 45 are fixed on the mounting plate 6 and abut against the outside of the toothed belts 44.

[0027] The principle of the docking unit 22 driving the rotating rod 15 to rotate accordingly: When the large transmission gear 28 and the small transmission gear 29 mesh with the docking small gear 39 and the docking large gear 40 respectively, as the drive motor 19 drives the drive gear 20 to rotate, it will drive the transmission gear 27 to rotate accordingly. This will cause the transmission rod 26 and the large transmission gear 28 and the small transmission gear 29 fixed at the bottom of the transmission rod 26 to rotate synchronously. This will cause the docking small gear 39 and the docking large gear 40, which mesh with the large transmission gear 28 and the small transmission gear 29, to rotate synchronously, driving the docking rod 38 to rotate. Under the action of the linkage gear 42 and the toothed belt 44 on the outside of the docking rod 38, the driven wheels 43 at both ends and the rotating rod 15 will rotate synchronously, thereby causing the air blowing fan blade 16 to rotate and realize the air blowing operation.

[0028] In this design, at the front end of the moving seat 4 in the direction of movement, the large transmission gear 28 engages with the small docking gear 39. Under the action of the gear ratio, the small docking gear 39 and the docking rod 38 rotate rapidly, thereby achieving high-speed air blowing to remove dust. At the other end, the small transmission gear 29 meshes with the large docking gear 40, causing the large docking gear 40 and the bottom docking rod 38 to rotate at low speed, generating turbulent airflow to aid in the drying of the sprayed material. Each time the moving seat 4 moves to abut against the mounting bracket 2, it drives the large transmission gear 28 and the small transmission gear 29 to turn, so that at the front end of the moving seat 4 in each direction of movement, the large transmission gear 28 engages with the small docking gear 39 to blow air and remove dust, thus satisfying the requirement that the moving seat 4 can spray repeatedly, improving spraying efficiency.

[0029] In this solution, a spraying method for processing TOPcon photovoltaic modules without PID attenuation includes the following steps; S1. Personnel first place the TOPcon photovoltaic panel on vacuum suction cup 1 for vacuum limiting; S2. The moving unit 3 drives the spray head 5 to reciprocate spraying along the surface of the TOPcon photovoltaic panel; S3. When spraying forward, the dust particles at the spraying front end are blown by the air blowing unit 7 and sucked away by the suction pipe 17. After moving to abut against the mounting bracket 2, the transmission unit 21 is driven to turn and dock with the other end of the docking unit 22. Then, the vacuum suction cup 1 is moved a certain distance by the mobile device. S4. When spraying backward, the transmission unit 21 turns backward in the previous step and docks with the other end of the docking unit 22, so that when spraying backward, the blowing unit 7 starts to blow the dust particles in front of the backward end and sucks them away by the suction pipe 17. S5. Repeat steps S1-S4 until the outer side of the TOPcon photovoltaic panel is completely coated.

[0030] Example 2 Please see Figure 1 and Figure 2 This embodiment further explains Example 1, and the difference lies in the specific implementation of the movable unit 3.

[0031] Specifically, the moving unit 3 includes a lead screw 9 and a slide rod 10. One end of the lead screw 9 is rotatably connected to one of the mounting brackets 2 via a bearing, and the other end slides through another mounting bracket 2. The outer end of the mounting bracket 2 rotatably connected to the lead screw 9 is fixed with a moving motor 11 via a motor frame. The output end of the moving motor 11 is fixed to the outer end of the lead screw 9 via a coupling. Two slide cylinders 12 are fixed on the mounting bracket 2 away from the moving motor 11. One slide cylinder 12 is slidably connected to the lead screw 9, and the other slide cylinder 12 is slidably connected to the slide rod 10. The end of the slide rod 10 away from the slide cylinder 12 is fixed to the mounting bracket 2. The moving seat 4 is threaded onto the outside of the lead screw 9 and slidably connected to the slide rod 10.

[0032] In summary, by rotating the moving motor 11 in both directions, the lead screw 9 rotates in both directions, thereby causing the moving seat 4 to reciprocate. It should be noted that the design of the slide cylinder 12 allows one of the mounting brackets 2 to move, thereby changing the distance between the two mounting brackets 2 to meet the requirements of spraying photovoltaic panels of different sizes.

[0033] Example 3 Please see Figure 8 This embodiment further illustrates other embodiments, the difference being that it enables the transmission gear 27 to rotate more stably along the outer edge of the drive gear 20.

[0034] Specifically, the drive gear 20 has grooves 46 at both the top and bottom, and two buckles 47 that slide and engage with the grooves 46 are fixed on the outside of the transmission rod 26. The two buckles 47 are located at the top and bottom of the transmission gear 27.

[0035] By designing the buckle plate 47 to slide and fit with the groove 46, the transmission gear 27 can be stably driven to move along the drive gear 20 each time the rotating plate 24 rotates.

[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A spraying device for processing TOPcon photovoltaic modules without PID attenuation, comprising: Vacuum suction cup (1), the bottom of the vacuum suction cup (1) is equipped with a mobile device for moving it, the vacuum suction cup (1) is used for adsorption and positioning of photovoltaic panels; Its characteristic is that it also includes: Two mounting brackets (2) are installed at both ends of the vacuum suction cup (1). A moving unit (3) is installed in the two mounting brackets (2), and a moving seat (4) is connected to the moving unit (3). A spray head (5) is installed at the bottom of the moving seat (4). Mounting plates (6) are installed on both sides of the movable base (4). Air blowing units (7) are installed on the mounting plates (6). The air blowing units (7) are used to remove dust particles from the photovoltaic panel. A drive mechanism (8) for driving the two air blowing units (7) is also installed on the mounting plates (6). The air blowing unit (7) includes two air blowing cylinders (13) fixed on the mounting plate (6). The bottom of the air blowing cylinder (13) is fixedly connected to the air blowing pipe (14), and a rotating rod (15) is rotatably installed inside the air blowing cylinder (13). An air blowing fan blade (16) is fixed on the outside of the rotating rod (15). The top of the rotating rod (15) is connected to the drive mechanism (8). An air suction pipe (17) is also fixed on the mounting plate (6), and the air suction pipe (17) faces the bottom end of the air blowing pipe (14). A baffle (18) is fixed on one side of the movable seat (4). The drive mechanism (8) includes a drive motor (19) fixed on the movable seat (4). The output end of the drive motor (19) is fixed with a drive gear (20) through a coupling. The movable seat (4) is a rectangular ring structure. A transmission unit (21) that is connected to the drive gear (20) is rotatably mounted on the top of the movable seat (4). A docking unit (22) that is connected to the transmission unit (21) is mounted on both mounting plates (6). The docking unit (22) drives the rotating rod (15) to rotate. The transmission unit (21) includes a docking column (23) rotatably mounted on the top of the movable seat (4). A rotating plate (24) is fixed at the bottom of the docking column (23). Adjusting components (25) for adjusting the rotation of the rotating plate (24) are installed on the top of the movable seat (4) and the adjacent sides of the two mounting brackets (2). Transmission rods (26) are rotatably mounted on both ends of the rotating plate (24) via bearings. Transmission gears (27) meshing with the drive gear (20) are fixed at the bottom of the two transmission rods (26). A large transmission gear (28) and a small transmission gear (29) are fixed at the bottom of the two transmission rods (26) respectively. The large transmission gear (28) and the small transmission gear (29) are used to dock with the two docking units (22). The adjusting component (25) includes adjusting rods (30) fixed on the two mounting brackets (2) and adjusting plate (31) fixed on the top of the movable seat (4) by a fixing plate. Both ends of the rotating plate (24) are fixed with abutting plates (32) adapted to the adjusting rods (30). The rotating plate (24) is provided with adjusting port (33). A limiting post (34) is fixed in the adjusting port (33). Adjusting post (35) is slidably inserted in the adjusting port (33). The adjusting post (35) is slidably inserted with the limiting post (34). Both ends of the adjusting plate (31) are provided with limiting ports (36) that are opposite to the bottom of the limiting post (34). The top of the adjusting post (35) is fixed with a tension spring (37) that is fixed to the docking post (23). The docking unit (22) includes two docking rods (38) rotatably mounted on the mounting plate (6). The top of the two docking rods (38) is fixed with a docking pinion (39) and a docking gear (40), respectively, and they are connected to the transmission gear (28) and the transmission pinion (29) through the docking pinion (39) and the docking gear (40). The outer side of the two docking rods (38) is fixed with a linkage (41) that is fixed to the rotating rod (15). The linkage (41) includes a linkage gear (42) fixed to the outside of the two connecting rods (38) and a driven wheel (43) fixed to the outside of the two rotating rods (15). The two linkage gears (42) and the two driven wheels (43) are fitted with toothed belts (44). Two tension rods (45) are fixed on the mounting plate (6), and the two tension rods (45) abut against the outside of the toothed belts (44).

2. The spraying device for processing TOPcon photovoltaic modules without PID attenuation according to claim 1, characterized in that: The moving unit (3) includes a lead screw (9) and a slide rod (10). One end of the lead screw (9) is rotatably connected to one of the mounting brackets (2) through a bearing, and the other end slides through another mounting bracket (2). The outer end of the mounting bracket (2) rotatably connected to the lead screw (9) is fixed with a moving motor (11) through a motor frame. The output end of the moving motor (11) is fixed to the outer end of the lead screw (9) through a coupling. Two slide cylinders (12) are fixed on the mounting bracket (2) away from the moving motor (11). One of the slide cylinders (12) is slidably connected to the lead screw (9), and the other slide cylinder (12) is slidably connected to the slide rod (10). The end of the slide rod (10) away from the slide cylinder (12) is fixed to the mounting bracket (2). The moving seat (4) is threaded onto the outside of the lead screw (9) and slidably connected to the slide rod (10).

3. The spraying device for processing TOPcon photovoltaic modules without PID attenuation according to claim 1, characterized in that: The drive gear (20) has grooves (46) at both the top and bottom, and two buckles (47) that slide and engage with the grooves (46) are fixed on the outside of the transmission rod (26). The two buckles (47) are located at the top and bottom of the transmission gear (27).

4. A spraying method for processing PID-free attenuation TOPcon photovoltaic modules, comprising the spraying apparatus for processing PID-free attenuation TOPcon photovoltaic modules as described in any one of claims 1-3, characterized in that, Includes the following steps; S1. Personnel first place the TOPcon photovoltaic panel on the vacuum suction cup (1) for vacuum positioning; S2. The moving unit (3) drives the spray head (5) to reciprocate spraying along the surface of the TOPcon photovoltaic panel; S3. When spraying forward, the dust particles at the front end of the spraying are blown by the air blowing unit (7) and sucked away by the suction pipe (17). After moving to the mounting bracket (2), the transmission unit (21) is turned and docked with the other end of the docking unit (22). Then, the vacuum suction cup (1) is moved a certain distance by the mobile device. S4. When spraying backward, the transmission unit (21) in the previous step turns and docks with the other end of the docking unit (22), so that when spraying backward, the blowing unit (7) starts to blow the dust particles in front of the backward end and sucks them away with the suction pipe (17). S5. Repeat steps S1-S4 until the outer side of the TOPcon photovoltaic panel is completely coated.

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