Photovoltaic car shed cleaning device

Abstract

The utility model relates to the technical field of photovoltaic car sheds, in particular to a photovoltaic car shed which comprises a photovoltaic panel assembly, the four corners of the photovoltaic panel assembly are connected with fixing frames through bolts, a supporting sliding rod is fixedly connected between the left fixing frame and the right fixing frame, the surface of the supporting sliding rod is sleeved with a mounting vertical plate in a sliding mode, and the front side of the mounting vertical plate on the front side is connected with a driving motor through bolts. A driving motor drives a driving bevel gear and a rolling brush on the surface of a rotating rod to rotate, the driving bevel gear drives a driven bevel gear to rotate, the rotating driving gear is matched with a transmission rack to enable a mounting vertical plate to move towards the right side, the rotating rolling brush scrubs the surface of a photovoltaic panel assembly, and a rubber scraping plate can scrape away residual water stains thoroughly. The photovoltaic panel assembly can be automatically cleaned without being manually cleaned by a worker standing at a high place, so that the labor intensity of the worker is reduced, and meanwhile, the safety risk is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic carports, in particular to a photovoltaic carport cleaning device. Background Art

[0002] A photovoltaic carport combines photovoltaics with a carport roof. This is the simplest combination of photovoltaics and architecture. It can not only provide shade and shelter for vehicles, but also generate electricity to generate revenue, achieving a win-win situation for social and environmental benefits, thereby effectively alleviating the environmental and energy pressures on society.

[0003] After searching, the patent number is CN220621273U, and the name is a utility model of a photovoltaic carport, including: a support frame, the support frame has multiple groups and is arranged side by side, and the support frame is an H-shaped structural frame; an erection beam, the erection beam is tilted and fixed at the top of the support frame; a connecting rod, the connecting rod is detachably connected between two adjacent erection beams; a roof mounting assembly, the roof mounting assembly is fixedly connected to the top of the erection beam, a photovoltaic panel assembly, the photovoltaic panel assembly is fixed on the roof mounting assembly and constitutes an inclined roof, and the support frame is located in the middle section of the inclined roof; a charging assembly, the charging assembly is fixed on multiple support frames one by one, and the charging assembly is connected to the photovoltaic panel assembly by electrical signals. Through research and analysis, it is found that although the structure is simple, the investment cost is low, and the load-bearing is stable, the following defects still exist to a certain extent.

[0004] For example, the carport cannot be automatically cleaned because dust or debris attached to the surface of the photovoltaic panels will affect the power generation efficiency. Therefore, the photovoltaic carport needs to be cleaned regularly. The above-mentioned photovoltaic carport can only be cleaned manually by maintenance personnel standing at a high place, which increases the labor intensity of the personnel and has certain safety risks. The residual water stains cannot be scraped off during the cleaning process, so the water stains after drying will also affect the power generation rate of the photovoltaic panels. At the same time, the cleaning liquid cannot be stirred, resulting in precipitation affecting the cleaning effect. In order to solve the above technical problems, we have designed a photovoltaic carport cleaning device. Utility Model Content

[0005] The purpose of the utility model is to provide a photovoltaic carport cleaning device with an automatic cleaning function, which can reduce the labor intensity of personnel, reduce safety risks, scrape off water stains, improve the power generation rate of photovoltaic panels, prevent the precipitation of cleaning fluid, and ensure the advantages of cleaning effect. It solves the problems of not having an automatic cleaning function, increasing the labor intensity of personnel, high safety risks, inability to completely scrape off water stains affecting the power generation rate, and precipitation of cleaning fluid affecting the cleaning effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a photovoltaic carport cleaning device comprises a photovoltaic panel assembly, wherein the four corners of the photovoltaic panel assembly are connected with a fixing frame by bolts, a supporting slide bar is fixedly connected between the left and right fixing frames, a surface sliding sleeve of the supporting slide bar is provided with a mounting vertical plate, the front side of the front mounting vertical plate is connected with a driving motor by bolts, the output shaft of the driving motor passes through the mounting vertical plate and is fixedly connected with a rotating rod, a surface fixing sleeve of the rotating rod is provided with a roller brush, the front and rear sides of the rotating rod surface are fixedly provided with an active bevel gear, the inner side of the mounting vertical plate is connected with a transmission mechanism by bolts, a transmission rack is fixedly connected between the left and right fixing frames, the inner side of the mounting vertical plate is fixedly connected with a fixed cover shell, the left and right sides of the fixed cover shell are respectively fixedly connected with a scraper mechanism and a cleaning pipe, the rear side of the cleaning pipe is fixedly connected with a telescopic pipe mechanism, and a liquid storage tank is provided on the right side of the bottom of the photovoltaic panel assembly.

[0007] Preferably, the transmission mechanism includes a fixed horizontal plate, the top of the fixed horizontal plate is movably connected to a mounting vertical rod through a bearing, the top and bottom of the mounting vertical rod are respectively fixedly connected to a driven bevel gear and a driving gear, and the surfaces of the driven bevel gear and the driving gear are respectively meshed and connected with the active bevel gear and the transmission rack.

[0008] Preferably, the scraper mechanism includes a fixed shell, the inner cavity of the fixed shell is slidably connected to a connecting slide, the top of the connecting slide is fixedly connected to a supporting spring, the bottom of the connecting slide passes through the bottom of the fixed shell and is fixedly connected to a rubber scraper, and the right side of the bottom of the rubber scraper is chamfered.

[0009] Preferably, both left and right sides of the bottom of the photovoltaic panel assembly are connected to support frames by bolts, and the left and right support frames of the liquid storage tank are fixedly connected.

[0010] Preferably, the inner cavity of the liquid storage tank is fixedly connected to a mounting partition, and the top of the mounting partition is respectively connected to a pressurized water pump and an intelligent processor by bolts, the liquid inlet pipe of the pressurized water pump passes through the bottom of the mounting partition, the liquid outlet pipe of the pressurized water pump passes through the top of the liquid storage tank and is connected to a connecting water pipe, and the right side of the connecting water pipe is connected to the telescopic tube mechanism.

[0011] Preferably, the bottom of the rear side of the liquid storage tank is connected to a stirring mechanism by bolts, the top of the rear side of the liquid storage tank is fixedly connected to a liquid injection hopper, the front side of the top of the liquid storage tank is connected to an alarm by bolts, and the bottom of the rear side of the inner cavity of the liquid storage tank is connected to a liquid level sensor by bolts.

[0012] Preferably, the stirring mechanism comprises a stirring motor, the output shaft of the stirring motor penetrates into the inner cavity of the liquid storage tank and is fixedly connected to a mounting rod, and the surface of the mounting rod is fixedly connected to the stirring rod.

[0013] Preferably, the telescopic tube mechanism comprises a fixed slide rod, a connecting tube clamp is movably sleeved on the surface of the fixed slide rod, a rubber hose is fixedly connected to the inner cavity of the connecting tube clamp, and the right side of the rubber hose is fixedly connected to the cleaning tube.

[0014] Preferably, a protective cover is provided on the outer side of the driving motor, the surface of the rotating rod is movably connected to the mounting vertical plate through a bearing, and the bottom of the cleaning pipe is fixedly connected to a cleaning nozzle.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The stirring motor drives the stirring rod on the surface of the mounting rod to rotate, accelerating the mixing efficiency of the cleaning agent and water, making the mixing more uniform. When the cleaning agent is stored for a long time, precipitation will occur. The rotating stirring rod can stir the cleaning liquid to prevent precipitation and improve the cleaning effect.

[0017] 2. The driving motor drives the active bevel gear and roller brush on the surface of the rotating rod to rotate, and the active bevel gear drives the driven bevel gear to rotate. The rotating driving gear cooperates with the transmission rack to move the mounting vertical plate to the right, and the rotating roller brush scrubs the surface of the photovoltaic panel assembly. The rubber scraper can scrape off the remaining water stains to avoid the water stains after drying that affect the power generation rate of the photovoltaic panel assembly. In this way, the photovoltaic panel assembly can be automatically cleaned without the need for personnel to manually stand at a high place to clean it, which reduces the labor intensity of personnel and reduces safety risks.

[0018] 3. When the liquid level of the cleaning fluid drops below the liquid level sensor, the liquid level sensor transmits the signal to the intelligent processor. At this time, the intelligent processor controls the alarm to sound an alarm to remind the staff to add cleaning fluid in time, which is more intelligent. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is an axonometric drawing of the structure of the utility model;

[0020] Figure 2 It is a top axonometric view of the local structure of the utility model;

[0021] Figure 3 For this utility model Figure 2 A magnified view of middle;

[0022] Figure 4 It is an axonometric diagram of the transmission mechanism of the utility model;

[0023] Figure 5 It is a left axonometric view of the roller brush and scraper mechanism of the utility model;

[0024] Figure 6 It is a rear-view and upward-view axonometric drawing of the photovoltaic panel assembly of the utility model;

[0025] Figure 7 It is a rear axonometric view of the structure of the utility model;

[0026] Figure 8 It is a left-side sectional isometric view of the scraper mechanism of the utility model;

[0027] Fig. 9 It is an internal axonometric diagram of the liquid storage tank of the utility model.

[0028] In the figure: 1, photovoltaic panel assembly; 2, support slide bar; 3, cleaning nozzle; 4, cleaning pipe; 5, fixed cover; 6, roller brush; 7, scraper mechanism; 8, protective cover; 9, installation vertical plate; 10, support frame; 11, transmission rack; 12, liquid storage tank; 13, alarm; 14, fixed frame; 15, rotating rod; 16, active bevel gear; 17, drive motor; 18, transmission mechanism; 19, intelligent processor; 20, driven bevel gear; 21, fixed 1. Fix the horizontal plate; 22. Install the vertical rod; 23. Drive gear; 24. Connect the water pipe; 25. Telescopic pipe mechanism; 26. Connect the pipe clamp; 27. Fix the slide rod; 28. Rubber hose; 29. ​​Liquid injection bucket; 30. Stirring mechanism; 31. Fix the shell; 32. Rubber scraper; 33. Connect the slide plate; 34. Support spring; 35. Pressurized water pump; 36. Install the partition; 37. Liquid level sensor; 38. Install the rod; 39. Stirring motor; 40. Stirring rod. DETAILED DESCRIPTION

[0029] See also Figure 1-Figure 9The photovoltaic carport cleaning device includes a photovoltaic panel assembly 1. The four corners of the photovoltaic panel assembly 1 are connected with a fixing frame 14 by bolts. By setting the fixing frame 14, the support slide bar 2 can be fixedly installed conveniently, and the mounting vertical plate 9 can be prevented from falling off the surface of the support slide bar 2. The left and right fixing frames 14 are fixedly connected with a support slide bar 2. The number of the support slide bars 2 is four, and there are two between the front and rear fixing frames 14. By setting the support slide bar 2, the mounting vertical plate 9 can be easily moved left and right on its surface. The surface sliding sleeve of the support slide bar 2 is provided with a mounting vertical plate 9. The front side of the front mounting vertical plate 9 is connected with a driving motor 17 by bolts. The output shaft of the driving motor 17 passes through the mounting vertical plate 9 and is fixedly connected with a rotating shaft. Rod 15, a roller brush 6 is fixedly sleeved on the surface of the rotating rod 15, active bevel gears 16 are fixedly sleeved on the front and rear sides of the surface of the rotating rod 15, a transmission mechanism 18 is connected to the inner side of the mounting vertical plate 9 by bolts, a transmission rack 11 is fixedly connected between the left and right fixing frames 14, a fixed cover shell 5 is fixedly connected to the inner side of the mounting vertical plate 9, and by setting the fixed cover shell 5, it has the functions of protection and support and fixation, can protect the transmission mechanism 18, and can facilitate the fixed installation of the scraper mechanism 7 and the cleaning pipe 4, the left and right sides of the fixed cover shell 5 are respectively fixedly connected with the scraper mechanism 7 and the cleaning pipe 4, the rear side of the cleaning pipe 4 is fixedly connected with a telescopic pipe mechanism 25, and a liquid storage tank 12 is provided on the right side of the bottom of the photovoltaic panel assembly 1;

[0030] See also Figure 4 The transmission mechanism 18 includes a fixed horizontal plate 21, and a mounting vertical rod 22 is movably connected to the top of the fixed horizontal plate 21 through a bearing. By setting the mounting vertical rod 22, it has a supporting and fixing function, and can fix and install the driven bevel gear 20 and the driving gear 23, so that linkage is achieved between them. The top and bottom of the mounting vertical rod 22 are respectively fixedly connected to the driven bevel gear 20 and the driving gear 23, and the surfaces of the driven bevel gear 20 and the driving gear 23 are respectively meshed and connected with the active bevel gear 16 and the transmission rack 11;

[0031] See also Figure 8The scraper mechanism 7 includes a fixed shell 31, and the inner cavity of the fixed shell 31 is slidably connected with a connecting slide plate 33. By setting the connecting slide plate 33, it has a supporting connection function, which can enable the supporting spring 34 to push the rubber scraper 32 to move. The top of the connecting slide plate 33 is fixedly connected with a supporting spring 34. By setting the supporting spring 34, it has an elastic supporting function. When the bottom of the rubber scraper 32 contacts the surface of the photovoltaic panel assembly 1, the supporting spring 34 will be compressed. At this time, the compressed supporting spring 34 pushes the rubber scraper 32 at the bottom of the connecting slide plate 33 to closely contact the surface of the photovoltaic panel assembly 1 through the rebound force, so that the water stains are scraped off more thoroughly. The bottom of the connecting slide plate 33 passes through the bottom of the fixed shell 31 and is fixedly connected with the rubber scraper 32. The right side of the bottom of the rubber scraper 32 is provided with a chamfer. By setting the chamfer, it is convenient for the rubber scraper 32 to move to the surface of the photovoltaic panel assembly 1;

[0032] See also Figure 1 The left and right sides of the bottom of the photovoltaic panel assembly 1 are connected to the support frame 10 by bolts, and the tops of the front and rear sides of the support frame 10 are fixedly connected with reinforcement plates, and the other side of the reinforcement plate is fixedly connected to the photovoltaic panel assembly 1, so that the photovoltaic panel assembly 1 can be supported more firmly to prevent tilting in bad weather. By setting the support frame 10, the photovoltaic panel assembly 1 can be supported and fixed, and the left side of the liquid storage tank 12 is fixedly connected to the support frame 10 on the right side;

[0033] See also Fig. 9 The inner cavity of the liquid storage tank 12 is fixedly connected with a mounting partition 36. By setting the mounting partition 36, the pressurized water pump 35 and the intelligent processor 19 can be conveniently fixedly installed. The top of the mounting partition 36 is respectively connected with the pressurized water pump 35 and the intelligent processor 19 by bolts. The output end of the intelligent processor 19 is electrically connected to the alarm 13. The liquid inlet pipe of the pressurized water pump 35 passes through the bottom of the mounting partition 36. The liquid outlet pipe of the pressurized water pump 35 passes through the top of the liquid storage tank 12 and is connected with the connecting water pipe 24. The right side of the connecting water pipe 24 is connected with the telescopic pipe mechanism 25.

[0034] See also Fig. 9 The bottom of the rear side of the liquid storage tank 12 is connected with a stirring mechanism 30 by bolts, and the top of the rear side of the liquid storage tank 12 is fixedly connected with a liquid injection bucket 29. By setting the liquid injection bucket 29, it is convenient for personnel to add cleaning agent and water into the liquid storage tank 12. The front side of the top of the liquid storage tank 12 is connected with an alarm 13 by bolts, and the bottom of the rear side of the inner cavity of the liquid storage tank 12 is connected with a liquid level sensor 37 by bolts. The output end of the liquid level sensor 37 is electrically connected to the intelligent processor 19. The liquid level sensor 37 adopts an isolated diffused silicon sensitive element or a ceramic capacitor pressure sensitive sensor to convert static pressure into an electrical signal, and then after temperature compensation and linear correction, it is converted into a standard electrical signal and transmitted to the intelligent processor 19, so as to monitor the liquid level of the cleaning liquid in the liquid storage tank 12;

[0035] See also Fig. 9 The stirring mechanism 30 includes a stirring motor 39. The output shaft of the stirring motor 39 passes through the inner cavity of the liquid storage tank 12 and is fixedly connected to a mounting rod 38. By providing the mounting rod 38, the stirring rod 40 can be conveniently fixedly installed. The surface of the mounting rod 38 is fixedly connected to the stirring rod 40. By providing the stirring rod 40, the stirring range can be increased to make the cleaning liquid mixed more evenly.

[0036] See also Figure 6 The telescopic tube mechanism 25 includes a fixed slide bar 27. By setting the fixed slide bar 27, the rubber hose 28 can be connected and limited to prevent the rubber hose 28 from falling. The surface of the fixed slide bar 27 is movably sleeved with a connecting pipe clamp 26. By setting the connecting pipe clamp 26, the rubber hose 28 can be connected and fixed, and can move left and right on the surface of the fixed slide bar 27. The inner cavity of the connecting pipe clamp 26 is fixedly connected with the rubber hose 28. The right side of the rubber hose 28 is fixedly connected to the cleaning pipe 4. By setting the telescopic tube mechanism 25, the connecting pipe clamp 26 on the surface of the rubber hose 28 can slide to the right on the surface of the fixed slide bar 27 during the movement of the cleaning pipe 4 to the right. This makes it convenient to organize the rubber hose 28 to avoid the occurrence of pipeline entanglement that affects the normal movement of the cleaning pipe 4.

[0037] See also Figure 1 and Figure 2 A protective cover shell 8 is provided on the outside of the driving motor 17. By providing the protective cover shell 8, the driving motor 17 can be protected and its service life can be extended. The surface of the rotating rod 15 is movably connected to the mounting vertical plate 9 through a bearing. The bottom of the cleaning pipe 4 is fixedly connected to the cleaning nozzle 3. By providing the cleaning nozzle 3, the spraying range of the cleaning liquid can be increased and the cleaning liquid can be sprayed more evenly.

[0038] When in use, the cleaning device is connected to an external power supply and a controller, and the personnel pour the cleaning agent and water into the liquid storage tank 12. At this time, the stirring motor 39 is controlled to work to drive the stirring rod 40 on the surface of the mounting rod 38 to rotate. The rotating stirring rod 40 can accelerate the mixing efficiency of the cleaning agent and water, making the mixing more uniform. When the cleaning agent is stored for a long time, precipitation will occur. The rotating stirring rod 40 can stir the cleaning liquid and have the function of preventing precipitation, thereby improving the cleaning effect. When it is necessary to clean the surface of the photovoltaic panel assembly 1, the pressurized water pump 35 is controlled to work to extract the cleaning liquid in the liquid storage tank 12, and then transport it to the inside of the cleaning pipe 4 through the connecting water pipe 24 and the rubber hose 28, and finally spray it to the surface of the photovoltaic panel assembly 1 through the cleaning nozzle 3; at this time, the driving motor 17 is controlled to work to drive the active bevel gear 16 and the roller brush 6 on the surface of the rotating rod 15 to rotate, and the rotating active bevel gears 16 on the front and rear sides respectively drive the driven bevel gears 20 on the front and rear sides to rotate, and the driven bevel gear 20 drives the driving gear 23 to rotate through the mounting vertical rod 22, and the rotating driving gear The wheel 23 cooperates with the transmission rack 11 to move the mounting vertical plate 9 to the right. At this time, the rotating roller brush 6, the cleaning tube 4 and the scraper mechanism 7 move to the right on the surface of the photovoltaic panel assembly 1. The roller brush 6 can scrub the surface of the photovoltaic panel assembly 1 during rotation. The rubber scraper 32 slides to the right on the photovoltaic panel assembly 1 to scrape off the water stains remaining during the scrubbing process, thereby preventing the water stains after drying from affecting the power generation rate of the photovoltaic panel assembly 1. When it moves to the far right, the drive motor 17 is controlled to rotate in the opposite direction through the transmission structure to drive the mounting vertical plate 9 to move to the left and reset. In this way, the function of automatic cleaning of the photovoltaic panel assembly 1 can be realized, and there is no need for personnel to manually stand at a high place for cleaning, which reduces the labor intensity of personnel and reduces safety risks. As the level of the cleaning liquid in the liquid storage tank 12 continues to decrease, when it drops below the liquid level sensor 37, the liquid level sensor 37 transmits a signal to the intelligent processor 19. At this time, the intelligent processor 19 controls the alarm 13 to work and issues an alarm to remind the staff to add cleaning liquid in time.

[0039] To sum up: the photovoltaic carport cleaning device, through the coordinated use of the photovoltaic panel assembly 1, the supporting slide bar 2, the cleaning nozzle 3, the cleaning pipe 4, the roller brush 6, the scraper mechanism 7, the transmission rack 11, the liquid storage tank 12, the active bevel gear 16, the drive motor 17, the transmission mechanism 18, the telescopic tube mechanism 25, the stirring mechanism 30 and the pressurized water pump 35, solves the problems of lack of automatic cleaning function, increased labor intensity of personnel, high safety risks, inability to completely scrape off water stains affecting the power generation rate, and precipitation of the cleaning fluid affecting the cleaning effect.

Claims

1. A photovoltaic carport cleaning device, comprising a photovoltaic panel assembly (1), characterized in that: The four corners of the photovoltaic panel assembly (1) are connected to fixing frames (14) by bolts, a support slide bar (2) is fixedly connected between the left and right fixing frames (14), a surface sliding sleeve of the support slide bar (2) is provided with a mounting vertical plate (9), the front side of the front mounting vertical plate (9) is connected to a driving motor (17) by bolts, the output shaft of the driving motor (17) passes through the mounting vertical plate (9) and is fixedly connected to a rotating rod (15), a surface fixed sleeve of the rotating rod (15) is provided with a rolling brush (6), and the front and rear sides of the surface of the rotating rod (15) are The fixing sleeve is provided with an active bevel gear (16); the inner side of the mounting vertical plate (9) is connected with a transmission mechanism (18) by bolts; a transmission rack (11) is fixedly connected between the left and right fixing frames (14); the inner side of the mounting vertical plate (9) is fixedly connected with a fixing cover shell (5); the left and right sides of the fixing cover shell (5) are respectively fixedly connected with a scraper mechanism (7) and a cleaning pipe (4); the rear side of the cleaning pipe (4) is fixedly connected with a telescopic pipe mechanism (25); and a liquid storage tank (12) is provided on the right side of the bottom of the photovoltaic panel assembly (1).

2. The photovoltaic carport cleaning device according to claim 1, characterized in that: The transmission mechanism (18) comprises a fixed transverse plate (21), the top of the fixed transverse plate (21) being movably connected to a mounting vertical rod (22) through a bearing, the top and bottom of the mounting vertical rod (22) being fixedly connected to a driven bevel gear (20) and a driving gear (23), respectively, and the surfaces of the driven bevel gear (20) and the driving gear (23) are meshedly connected to the driving bevel gear (16) and the transmission rack (11), respectively.

3. The photovoltaic carport cleaning device according to claim 1, characterized in that: The scraper mechanism (7) comprises a fixed shell (31), the inner cavity of the fixed shell (31) is slidably connected to a connecting slide plate (33), the top of the connecting slide plate (33) is fixedly connected to a supporting spring (34), the bottom of the connecting slide plate (33) penetrates the bottom of the fixed shell (31) and is fixedly connected to a rubber scraper (32), and the right side of the bottom of the rubber scraper (32) is chamfered.

4. The photovoltaic carport cleaning device according to claim 1, characterized in that: The left and right sides of the bottom of the photovoltaic panel assembly (1) are both connected to support frames (10) by bolts, and the left side of the liquid storage tank (12) is fixedly connected to the support frame (10) on the right side.

5. The photovoltaic carport cleaning device according to claim 1, characterized in that: The inner cavity of the liquid storage tank (12) is fixedly connected to a mounting baffle (36), and the top of the mounting baffle (36) is respectively connected to a pressurized water pump (35) and an intelligent processor (19) by bolts. The liquid inlet pipe of the pressurized water pump (35) passes through the bottom of the mounting baffle (36), and the liquid outlet pipe of the pressurized water pump (35) passes through the top of the liquid storage tank (12) and is connected to a connecting water pipe (24). The right side of the connecting water pipe (24) is connected to the telescopic pipe mechanism (25).

6. The photovoltaic carport cleaning device according to claim 1, characterized in that: The bottom of the rear side of the liquid storage tank (12) is connected to a stirring mechanism (30) by bolts, the top of the rear side of the liquid storage tank (12) is fixedly connected to a liquid injection hopper (29), the front side of the top of the liquid storage tank (12) is connected to an alarm (13) by bolts, and the bottom of the rear side of the inner cavity of the liquid storage tank (12) is connected to a liquid level sensor (37) by bolts.

7. The photovoltaic carport cleaning device according to claim 6, characterized in that: The stirring mechanism (30) comprises a stirring motor (39), the output shaft of which passes through the inner cavity of the liquid storage tank (12) and is fixedly connected to a mounting rod (38), and the surface of the mounting rod (38) is fixedly connected to a stirring rod (40).

8. The photovoltaic carport cleaning device according to claim 1, characterized in that: The telescopic tube mechanism (25) comprises a fixed slide rod (27), a connecting tube clamp (26) is movably sleeved on the surface of the fixed slide rod (27), a rubber hose (28) is fixedly connected to the inner cavity of the connecting tube clamp (26), and the right side of the rubber hose (28) is fixedly connected to the cleaning tube (4).

9. The photovoltaic carport cleaning device according to claim 1, characterized in that: A protective cover (8) is arranged on the outside of the driving motor (17), the surface of the rotating rod (15) is movably connected to the mounting vertical plate (9) via a bearing, and the bottom of the cleaning pipe (4) is fixedly connected to a cleaning nozzle (3).

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