Photovoltaic power generation cell panel cleaning device and cleaning method thereof

Abstract

The invention discloses a photovoltaic power generation cell panel cleaning device which comprises an installation frame connected with a cell panel support, a cleaning roller is rotatably installed on the installation frame and arranged in the width direction of the cell panel support, and a driving mechanism, a pressure adjusting mechanism and a cleaning mechanism are further installed on the installation frame. The driving mechanism is used for driving the cleaning roller to rotate and driving the cleaning roller to move in the length direction of the battery panel support so as to clean the surface of a battery panel on the battery panel support, and the pressure adjusting mechanism is used for adjusting the cleaning pressure of the cleaning roller on the battery panel. And the cleaning mechanism is used for cleaning the cleaning roller. The cleaning pressure of the cleaning roller can be adjusted through the pressure adjusting mechanism, and the phenomena that the cleaning effect of the cell panel is not ideal due to the too small cleaning pressure and the cell panel is extruded and damaged due to the too large cleaning pressure are avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of solar energy, and in particular to a photovoltaic power generation panel cleaning device and a cleaning method thereof. Background Art

[0002] As the global demand for clean energy continues to increase, photovoltaic power generation has been widely used as a sustainable energy solution. However, photovoltaic panels are easily affected by pollutants such as dust and sand during use. These pollutants will adhere to the surface of the panels, reducing the panels' absorption efficiency of sunlight, and thus affecting the power generation efficiency of the photovoltaic power generation system. In order to keep the surface of the panels clean, a variety of panel cleaning devices have been developed.

[0003] Traditional cleaning devices lack effective protective measures to prevent dust and other pollutants from accumulating on the surface of solar panels when dealing with different environmental conditions (such as dust accumulation at night, windy and sandy weather, etc.). During the cleaning process, some existing cleaning devices make it difficult to accurately control the contact pressure between the cleaning structure and the solar panel, which can easily lead to insufficient cleaning or damage to the surface of the solar panel due to excessive contact, affecting the service life and performance of the solar panel. Summary of the invention

[0004] In view of the above-mentioned problems existing in the existing cleaning devices, the present invention aims to provide a photovoltaic power generation panel cleaning device and a cleaning method thereof which can improve the cleaning effect, service life and performance of the panel.

[0005] The specific technical solutions are as follows:

[0006] A photovoltaic power generation cell panel cleaning device comprises: a mounting frame connected to a cell panel support, a cleaning roller rotatably mounted on the mounting frame, the cleaning roller being arranged along the width of the cell panel support, a driving mechanism, a pressure regulating mechanism, and a cleaning mechanism also being installed on the mounting frame, the driving mechanism being used to drive the cleaning roller to rotate and to drive the cleaning roller to move along the length direction of the cell panel support to clean the surface of the cell panel on the cell panel support, the pressure regulating mechanism being used to adjust the cleaning pressure of the cleaning roller on the cell panel, the cleaning mechanism being used to clean the cleaning roller, and when the cleaning roller cleans the surface of the cell panel, the cleaning mechanism cleans the surface of the cleaning roller.

[0007] Further, as a preferred embodiment, the mounting frame is provided with a cleaning box which can slide along the length direction of the solar panel support, and the cleaning roller is rotatably arranged on the cleaning box; the driving mechanism includes a first driving assembly and a second driving assembly, the first driving assembly is used to drive the cleaning box to slide along the length direction of the solar panel support, and the second driving assembly is used to drive the cleaning roller to rotate;

[0008] In which, a protective mechanism is also installed at one end of the mounting frame, and the protective mechanism includes a winding box installed at one end of the mounting frame, and a protective film connected to the cleaning box is wound in the winding box. When the cleaning box slides away from the winding box, the cleaning box pulls the protective film out of the winding box and covers the surface of the solar panel. When the cleaning box slides close to the winding box, the protective film is automatically rolled into the winding box.

[0009] Further, as a preferred embodiment, the cleaning box has a rotating shaft, the cleaning roller is sleeved on the outside of the rotating shaft, one end of the rotating shaft can be longitudinally slidable and rotatably installed on the cleaning box, and the other end is drivingly connected to the second driving assembly;

[0010] The pressure regulating mechanism is connected to the rotary transmission and is used to drive the rotating shaft to slide longitudinally to adjust the cleaning pressure of the cleaning roller. When the pressure regulating mechanism drives the rotating shaft to slide longitudinally, the second driving component can continuously transmit power to the rotating shaft to enable the rotating shaft to rotate continuously.

[0011] Further, as a preferred embodiment, the second driving component includes:

[0012] A motor, wherein the motor is mounted on the cleaning box;

[0013] A universal coupling, wherein the output end of the motor is connected to the other end of the rotating shaft through the universal coupling.

[0014] Further, as a preferred embodiment, the pressure regulating mechanism comprises: a hydraulic rod, the hydraulic rod is mounted on the cleaning box, and the driving end of the hydraulic rod is rotatably sleeved on the outside of the rotating shaft. Further, as a preferred embodiment, the first driving component comprises:

[0015] A driving wheel, the driving wheel is rotatably mounted on one end of the cleaning box, and both sides of the mounting frame are provided with slide rails, and the driving wheel is in rolling cooperation with one of the slide rails;

[0016] At least one driven wheel, the driven wheel is rotatably mounted on the other end of the cleaning box and rollingly engaged with the other slide rail;

[0017] A driving member is installed on the cleaning box and is drivingly connected to the driving wheel, and is used to drive the driving wheel to rotate so as to drive the cleaning box to slide along the length direction of the solar panel bracket.

[0018] Further, as a preferred embodiment, the driven wheel is detachably mounted on the mounting frame through a mounting structure;

[0019] The mounting structure comprises:

[0020] A gear, the gear being rotatably mounted on the cleaning box via a shaft;

[0021] A handle connected to the outer wall of the rotating rod;

[0022] A connecting frame, the connecting frame can be slidably installed on the cleaning box along the width direction of the solar panel bracket, the driven wheel is rotatably installed on the connecting frame, and the connecting frame has a driving rack arranged along the width direction of the solar panel bracket, the gear is meshed with the driving rack, when the handle is manually moved upward or downward to rotate the gear, the gear drives the connecting frame to slide along the width direction of the solar panel bracket through the driving rack, so that the driven wheel is disengaged or clamped to the other slide rail.

[0023] Further, as a preferred embodiment, the cleaning mechanism includes:

[0024] A water tank, wherein the cleaning tank is a bottom-opening structure, the water tank is mounted on the cleaning tank, and the cleaning roller is rotatably mounted in the cleaning tank;

[0025] A plurality of nozzles, wherein the nozzles are arranged in the top of the water tank and distributed along the axial direction of the cleaning roller;

[0026] The scraper is rotatably mounted in the cleaning box, and a torsion spring is provided between the scraper and the cleaning box, so that the scraper is always in elastic contact with the surface of the cleaning roller through the elastic torsion force of the torsion spring.

[0027] Further, as a preferred embodiment, the scraper includes: a mounting portion, a connecting portion and a contact portion, the top two sides of the mounting portion are rotatably mounted on the inner walls of the two ends of the cleaning box, and the torsion spring is provided between the top two sides of the mounting portion and the inner wall of the cleaning box;

[0028] The bottom of the mounting portion is connected to one side of the connecting portion, the bottom of the contact portion is connected to the other side of the connecting portion, and the top thereof contacts the surface of the cleaning roller, and a "U"-shaped sewage discharge groove is formed among the mounting portion, the connecting portion and the contact portion.

[0029] A method for cleaning a photovoltaic power generation cell panel, comprising any one of the photovoltaic power generation cell panel cleaning devices described above, the cleaning method comprising:

[0030] At night, the first driving assembly drives the cleaning box to slide away from the winding box, and pulls the protective film out of the winding box to cover the surface of the solar panel for protection, and at the same time, the second driving assembly drives the cleaning roller to rotate to clean the surface of the solar panel;

[0031] During the day, the first driving assembly drives the cleaning box to slide back to the winding box, and at the same time, the protective film is automatically wound into the winding box, and the solar panel works normally.

[0032] Compared with the prior art, the above technical solution has the following positive effects:

[0033] (1) In the present invention, when cleaning the solar panel, the cleaning pressure of the cleaning roller can be adjusted by the pressure regulating mechanism to avoid unsatisfactory cleaning effect of the solar panel due to too low cleaning pressure and extrusion damage of the solar panel due to too high cleaning pressure.

[0034] (2) In the present invention, when the cleaning roller rotates and cleans the solar panel, the cleaning mechanism can clean the surface of the cleaning roller to further improve the cleaning effect on the solar panel.

[0035] (3) In the present invention, at night or in dusty weather, the driving mechanism can drive the cleaning box to slide to the end of the mounting frame away from the winding box, and the cleaning roller can be rotated to contact the surface of the solar panel. At the same time, during the movement of the cleaning box, the protective film can be pulled out of the winding box and cover the surface of the solar panel to protect the surface of the solar panel and prevent dust and other pollutants from accumulating on the solar panel.

[0036] (4) The universal coupling in the present invention has a telescopic structure. During the pressure adjustment process, the universal coupling can adjust its transmission angle and length to adapt to the longitudinal adjustment of the rotating shaft, thereby improving the adaptability of the overall device and avoiding the problem of insufficient contact between the cleaning roller and the solar panel affecting the cleaning effect and excessive contact causing extrusion damage to the solar panel.

[0037] (5) In order to facilitate the disassembly and assembly of the cleaning box in the present invention, the driven wheel is detachably mounted on the mounting frame through a mounting structure. When the handle is manually moved upward or downward to rotate the gear, the gear drives the connecting frame to slide along the width direction of the solar panel bracket through the driving rack, so that the driven wheel is disengaged or clamped to another slide rail.

[0038] (6) In order to improve the installation stability of the cleaning box in the installed state, a locking structure is also provided on the handle and the connecting frame in the present invention. When the driven wheel is clamped into another slide rail, the locking structure locks the handle to the connecting frame. The locking structure includes a buckle and a clamping part provided on the connecting frame, and the buckle is buckled with the bottom of the clamping part.

[0039] (7) In the present invention, water is sprayed toward the surface of the cleaning roller through a nozzle to clean the surface of the cleaning roller. At the same time, in order to improve the cleaning effect of the cleaning roller, a scraper is provided to scrape away the dirty water on the surface of the cleaning roller, thereby improving the cleaning effect of the cleaning roller on the solar panel.

[0040] (8) In the present invention, the wastewater scraped off from the surface of the cleaning roller by the scraper can be discharged into the wastewater discharge tank, thereby preventing the wastewater from falling onto the surface of the solar panel to contaminate the solar panel, thereby further improving the cleaning effect of the solar panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 It is a schematic diagram of the overall structure of a photovoltaic power generation panel cleaning device and a cleaning method thereof according to the present invention;

[0042] Figure 2 It is a schematic structural diagram of a driving mechanism of a photovoltaic power generation panel cleaning device and a cleaning method thereof according to the present invention;

[0043] Figure 3 A schematic diagram of the structure of a cleaning roller of a photovoltaic panel cleaning device and a cleaning method thereof according to the present invention;

[0044] Figure 4 It is a structural schematic diagram of a second driving component of a photovoltaic power generation panel cleaning device and a cleaning method thereof according to the present invention;

[0045] Figure 5 It is a structural schematic diagram of the installation structure of a photovoltaic power generation panel cleaning device and a cleaning method thereof according to the present invention;

[0046] Figure 6 It is a structural schematic diagram of the installation structure of a photovoltaic power generation panel cleaning device and a cleaning method thereof according to the present invention;

[0047] Figure 7 It is a schematic structural diagram of a scraper of a photovoltaic power generation panel cleaning device and a cleaning method thereof according to the present invention;

[0048] In the attached figure:

[0049] 1. Mounting frame; 11. Cleaning box; 12. Slide rail;

[0050] 2. Cleaning roller; 21. Rotating shaft; 22. Sliding block;

[0051] 3. Cleaning mechanism; 31. Scraper; 32. Nozzle; 311. Mounting part; 312. Connecting part; 313. Contact part; 314. Sewage discharge tank;

[0052] 4. Pressure regulating mechanism; 41. Hydraulic rod;

[0053] 5. driving mechanism; 51. first driving assembly; 52. second driving assembly; 511. driving member;

[0054] 512, driving wheel; 513, driven wheel; 514, mounting structure; 521, motor; 522, universal coupling; 5141, connecting frame; 5142, handle; 5143, locking structure; 5144, shaft;

[0055] 5145, driving rack; 5143a, buckle; 5143b, clamping part;

[0056] 6. Protective mechanism; 61. Protective film; 62. Winding box. DETAILED DESCRIPTION

[0057] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0058] Figure 1 The overall structure diagram of a photovoltaic panel cleaning device and a cleaning method thereof according to the present invention is shown in FIG. Figure 2 The schematic diagram of the structure of the driving mechanism of a photovoltaic panel cleaning device and a cleaning method thereof according to the present invention is shown in FIG. Figure 3 The schematic diagram of the structure of the cleaning roller of the photovoltaic panel cleaning device and the cleaning method thereof of the present invention is shown in FIG. Figure 4 This is a schematic diagram of the structure of the second driving component of a photovoltaic panel cleaning device and a cleaning method thereof according to the present invention. Figure 5 The schematic diagram of the installation structure of a photovoltaic panel cleaning device and a cleaning method thereof according to the present invention is shown in FIG. Figure 6 The schematic diagram of the installation structure of a photovoltaic panel cleaning device and a cleaning method thereof according to the present invention is shown in FIG. Figure 7 The schematic diagram of the structure of the scraper of the photovoltaic panel cleaning device and the cleaning method of the present invention is as follows: Figures 1 to 7As shown, a photovoltaic power generation panel cleaning device of a preferred embodiment is shown, comprising: a mounting frame 1 connected to a panel support, a cleaning roller 2 is rotatably mounted on the mounting frame 1, and the cleaning roller 2 is arranged along the width of the panel support. A driving mechanism 5, a pressure regulating mechanism 4, and a cleaning mechanism 3 are also installed on the mounting frame 1. The driving mechanism 5 is used to drive the cleaning roller 2 to rotate and drive the cleaning roller 2 to move along the length direction of the panel support to clean the surface of the panel on the panel support. The pressure regulating mechanism 4 is used to adjust the cleaning pressure of the cleaning roller 2 on the panel. The cleaning mechanism 3 is used to clean the cleaning roller 2, and when the cleaning roller 2 cleans the surface of the panel, the cleaning mechanism 3 cleans the surface of the cleaning roller 2.

[0059] More preferably, the outer material of the cleaning roller 2 can be cotton cloth, polyester fiber cloth or a material formed by alternating the two.

[0060] In this embodiment, when cleaning the solar panel, the cleaning pressure of the cleaning roller 2 can be adjusted by the pressure regulating mechanism 4 to avoid unsatisfactory cleaning effect of the solar panel due to too low cleaning pressure and extrusion damage of the solar panel due to too high cleaning pressure.

[0061] In this embodiment, when the cleaning roller 2 rotates and cleans the solar panel, the cleaning mechanism 3 can clean the surface of the cleaning roller 2 to further improve the cleaning effect on the solar panel.

[0062] Further, as a preferred embodiment, the mounting frame 1 has a cleaning box 11 that can slide along the length direction of the solar panel support, and the cleaning roller 2 is rotatably arranged on the cleaning box 11; the driving mechanism 5 includes a first driving component 51 and a second driving component 52, the first driving component 51 is used to drive the cleaning box 11 to slide along the length direction of the solar panel support, and the second driving component 52 is used to drive the cleaning roller 2 to rotate;

[0063] Furthermore, as a preferred embodiment, a protective mechanism 6 is also installed at one end of the mounting frame 1. The protective mechanism 6 includes a winding box 62 installed at one end of the mounting frame 1. A protective film 61 connected to the cleaning box 11 is wound in the winding box 62. When the cleaning box 11 slides away from the winding box 62, the cleaning box 11 pulls the protective film 61 out of the winding box 62 and covers the surface of the solar panel. When the cleaning box 11 slides close to the winding box 62, the protective film 61 is automatically wound into the winding box 62.

[0064] In this embodiment, at night or in dusty weather, the driving mechanism 5 can be used to drive the cleaning box 11 to slide to the end of the mounting frame 1 away from the winding box 62, and the cleaning roller 2 can be rotated to contact the surface of the solar panel. At the same time, during the movement of the cleaning box 11, the protective film 61 can be pulled out of the winding box 62 and cover the surface of the solar panel to protect the surface of the solar panel and prevent dust and other pollutants from accumulating on the solar panel.

[0065] Further, as a preferred embodiment, the cleaning box 11 has a rotating shaft 21, the cleaning roller 2 is sleeved on the outside of the rotating shaft 21, one end of the rotating shaft 21 can be longitudinally slidable and rotatably installed on the cleaning box 11, and the other end is drivingly connected to the second driving assembly 52;

[0066] The pressure adjustment mechanism 4 is connected to the rotary transmission, and is used to drive the rotating shaft 21 to slide longitudinally to adjust the cleaning pressure of the cleaning roller 2, and when the pressure adjustment mechanism 4 drives the rotating shaft 21 to slide longitudinally, the second driving assembly 52 can continuously transmit power to the rotating shaft 21 to make the rotating shaft 21 continuously rotate. Preferably, one end of the rotating shaft is rotatably connected to a slider 22, and the slider 22 is longitudinally slidably mounted on the cleaning box 11.

[0067] Further, as a preferred embodiment, the second driving assembly 52 includes a motor 521 and a universal coupling 522 , the motor 521 is mounted on the cleaning box 11 , and the output end of the motor 521 is connected to the other end of the rotating shaft 21 through the universal coupling 522 .

[0068] Further, as a preferred embodiment, the pressure regulating mechanism 4 includes: a hydraulic rod 41 , the hydraulic rod 41 is installed on the cleaning box 11 , and the driving end of the hydraulic rod 41 is rotatably sleeved on the outside of the rotating shaft 21 .

[0069] Furthermore, as a preferred embodiment, the hydraulic rod 41 is a hydraulic rod 41 with a pressure detection function. Furthermore, a pressure sensor for pressure detection is installed inside the cylinder of the hydraulic rod 41 and directly contacts the hydraulic oil.

[0070] Furthermore, as a preferred embodiment, the universal coupling 522 has a telescopic structure. During the pressure adjustment process, the universal coupling 522 can adjust its transmission angle and length to adapt to the longitudinal adjustment of the rotating shaft 21, thereby improving the adaptability of the overall device and avoiding the problem of insufficient contact between the cleaning roller 2 and the solar panel affecting the cleaning effect and extrusion damage to the solar panel caused by excessive contact.

[0071] Further, as a preferred embodiment, the first driving assembly 51 includes a driving wheel 512, at least one driven wheel 513 and a driving member 511. The driving wheel 512 is rotatably mounted on one end of the cleaning box 11. Both sides of the mounting frame 1 have slide rails 12. The driving wheel 512 is rollingly engaged with one of the slide rails 12. The driven wheel 513 is rotatably mounted on the other end of the cleaning box 11 and is rollingly engaged with the other slide rail 12. The driving member 511 is mounted on the cleaning box 11 and is transmission-connected to the driving wheel 512, so as to drive the driving wheel 512 to rotate, so as to drive the cleaning box 11 to slide along the length direction of the solar panel bracket.

[0072] Each slide rail 12 is a trapezoidal groove.

[0073] More preferably, two driven wheels 513 are provided, and the two driven wheels 513 and the driving wheel 512 form a triangle, thereby improving the installation stability of the cleaning box 11 .

[0074] More preferably, the driving member 511 may be a motor 521 .

[0075] Furthermore, as a preferred embodiment, the driven wheel 513 is detachably mounted on the mounting frame 1 through a mounting structure 514; the mounting structure 514 includes: a gear, a handle 5142 and a connecting frame 5141, the gear is rotatably mounted on the cleaning box 11 through an axle 5144, the handle 5142 is connected to the outer wall of the rotating rod, the connecting frame 5141 can be slidably mounted on the cleaning box 11 along the width direction of the solar panel bracket, the driven wheel 513 is rotatably mounted on the connecting frame 5141, and the connecting frame 5141 has a driving rack 5145 arranged along the width direction of the solar panel bracket, and the gear is meshed with the driving rack 5145.

[0076] In this embodiment, in order to facilitate the disassembly and assembly of the cleaning box 11, the driven wheel 513 is detachably mounted on the mounting frame 1 through the mounting structure 514. When the handle 5142 is manually moved upward or downward to rotate the gear, the gear drives the connecting frame 5141 to slide along the width direction of the solar panel bracket through the driving rack 5145, so that the driven wheel 513 is disengaged or clamped to another slide rail 12.

[0077] In order to improve the installation stability of the cleaning box 11 in the installed state, a locking structure 5143 is also provided on the handle 5142 and the connecting frame 5141. When the driven wheel 513 is clamped into another slide rail 12, the locking structure 5143 locks the handle 5142 to the connecting frame 5141. The locking structure 5143 includes a buckle 5143a and a clamping portion 5143b provided on the connecting frame 5141. The buckle 5143a is buckled with the bottom of the clamping portion 5143b.

[0078] More preferably, the buckle 5143a includes a limiting portion and a snap-connecting portion, one end of the limiting portion is connected to the handle 5142, and the other end is connected to the snap-connecting portion, and the limiting portion and the snap-connecting portion form an "L"-shaped structure. When the handle 5142 is in a locked state, the inner side of the limiting portion is in limiting contact with the outer side of the clamping portion 5143b, and the top of the snap-connecting portion is snap-connected with the bottom of the clamping portion 5143b.

[0079] Furthermore, as a preferred embodiment, the cleaning mechanism 3 includes a water tank, a plurality of nozzles 32 and a scraper 31. The cleaning box 11 is a bottom-opening structure. The water tank is installed on the cleaning box 11. The cleaning roller 2 is rotatably installed in the cleaning box 11. The plurality of nozzles 32 are arranged in the top of the water tank and distributed along the axial direction of the cleaning roller 2. The scraper 31 is rotatably installed in the cleaning box 11, and a torsion spring is provided between the scraper 31 and the cleaning box 11. The elastic torsion force of the torsion spring is used to ensure that the scraper 31 always elastically conflicts with the surface of the cleaning roller 2.

[0080] More preferably, a plurality of nozzles 32 are connected to the water tank via a pipe, and a solenoid valve is provided on the pipe, so that the nozzle 32 can spray water outward through the action of the solenoid valve.

[0081] In this embodiment, water is sprayed toward the surface of the cleaning roller 2 by the nozzle 32 to clean the surface of the cleaning roller 2. At the same time, in order to improve the cleaning effect of the cleaning roller 2, a scraper 31 is provided to scrape off the dirty water on the surface of the cleaning roller 2, thereby improving the cleaning effect of the cleaning roller 2 on the solar panel.

[0082] In this embodiment, when the cleaning roller 2 slides in the longitudinal direction to adjust the pressure, the scraper 31 can always be in contact with the surface of the cleaning roller 2 through the elastic torsion force of the torsion spring, thereby ensuring the cleaning stability of the cleaning roller 2.

[0083] Furthermore, as a preferred embodiment, the scraper 31 includes: a mounting portion 311, a connecting portion 312 and a contact portion 313, the top sides of the mounting portion 311 are rotatably mounted on the inner walls of the cleaning box 11 at both ends, and torsion springs are provided between the top sides of the mounting portion 311 and the inner walls of the cleaning box 11, the bottom of the mounting portion 311 is connected to one side of the connecting portion 312, the bottom of the contact portion 313 is connected to the other side of the connecting portion 312, and the top is in contact with the surface of the cleaning roller 2, and a "U"-shaped sewage discharge groove 314 is formed among the mounting portion 311, the connecting portion 312 and the contact portion 313.

[0084] In this embodiment, the wastewater scraped off from the surface of the cleaning roller 2 by the scraper 31 can be discharged into the wastewater discharge groove 314, so as to prevent the wastewater from falling onto the surface of the solar panel to contaminate the solar panel, thereby further improving the cleaning effect of the solar panel.

[0085] A method for cleaning a photovoltaic power generation panel, comprising any one of the photovoltaic power generation panel cleaning devices described above, the cleaning method comprising:

[0086] At night, the first driving assembly 51 drives the cleaning box 11 to slide away from the winding box 62, and pulls the protective film 61 out of the winding box 62 to cover the surface of the solar panel for protection. At the same time, the second driving assembly 52 drives the cleaning roller 2 to rotate to clean the surface of the solar panel.

[0087] During the day, the first driving assembly 51 drives the cleaning box 11 to slide back to the winding box 62. At the same time, the protective film 61 is automatically wound into the winding box 62, and the solar panel works normally.

[0088] In another embodiment, a photoresistor sensor is installed on the surface of the cleaning box 11. The photoresistor sensor controls the driving of the driving member 511 and the motor 521 through an electrical control system. By setting the photosensitivity threshold of the photoresistor sensor, the start and stop of the cleaning action and the unfolding and winding of the protective film 61 can be automatically controlled during the day and night, thereby improving the automation capability of the overall device.

[0089] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A photovoltaic panel cleaning device, characterized in that: include: A mounting frame connected to a solar panel support, a cleaning roller is rotatably mounted on the mounting frame, the cleaning roller is arranged along the width of the solar panel support, and a driving mechanism, a pressure regulating mechanism, and a cleaning mechanism are also installed on the mounting frame. The driving mechanism is used to drive the cleaning roller to rotate and drive the cleaning roller to move along the length direction of the solar panel support to clean the surface of the solar panel on the solar panel support, the pressure regulating mechanism is used to adjust the cleaning pressure of the cleaning roller on the solar panel, the cleaning mechanism is used to clean the cleaning roller, and when the cleaning roller cleans the surface of the solar panel, the cleaning mechanism cleans the surface of the cleaning roller.

2. The photovoltaic panel cleaning device according to claim 1, characterized in that: The mounting frame is provided with a cleaning box which can slide along the length direction of the solar panel support, and the cleaning roller is rotatably arranged on the cleaning box; the driving mechanism comprises a first driving assembly and a second driving assembly, the first driving assembly is used to drive the cleaning box to slide along the length direction of the solar panel support, and the second driving assembly is used to drive the cleaning roller to rotate; In which, a protective mechanism is also installed at one end of the mounting frame, and the protective mechanism includes a winding box installed at one end of the mounting frame, and a protective film connected to the cleaning box is wound in the winding box. When the cleaning box slides away from the winding box, the cleaning box pulls the protective film out of the winding box and covers the surface of the solar panel. When the cleaning box slides close to the winding box, the protective film is automatically rolled into the winding box.

3. The photovoltaic panel cleaning device according to claim 2, characterized in that: The cleaning box has a rotating shaft, the cleaning roller is sleeved on the outside of the rotating shaft, one end of the rotating shaft can be longitudinally slidable and rotatably installed on the cleaning box, and the other end is drivingly connected to the second driving assembly; The pressure regulating mechanism is connected to the rotary transmission and is used to drive the rotating shaft to slide longitudinally to adjust the cleaning pressure of the cleaning roller. When the pressure regulating mechanism drives the rotating shaft to slide longitudinally, the second driving component can continuously transmit power to the rotating shaft to enable the rotating shaft to continue to rotate.

4. The photovoltaic panel cleaning device according to claim 3, characterized in that: The second driving assembly comprises: A motor, wherein the motor is mounted on the cleaning box; A universal coupling, wherein the output end of the motor is connected to the other end of the rotating shaft through the universal coupling.

5. The photovoltaic panel cleaning device according to any one of claims 3-4, characterized in that: The pressure regulating mechanism comprises a hydraulic rod, which is mounted on the cleaning box, and a driving end of the hydraulic rod is rotatably sleeved on the outside of the rotating shaft.

6. The photovoltaic panel cleaning device according to claim 2, characterized in that: The first driving assembly comprises: A driving wheel, the driving wheel is rotatably mounted on one end of the cleaning box, and both sides of the mounting frame are provided with slide rails, and the driving wheel is in rolling cooperation with one of the slide rails; At least one driven wheel, the driven wheel is rotatably mounted on the other end of the cleaning box and rollingly engaged with the other slide rail; A driving member is installed on the cleaning box and is drivingly connected to the driving wheel, and is used to drive the driving wheel to rotate so as to drive the cleaning box to slide along the length direction of the solar panel bracket.

7. The photovoltaic panel cleaning device according to claim 6, characterized in that: The driven wheel is detachably mounted on the mounting frame through a mounting structure; The mounting structure comprises: A gear, the gear being rotatably mounted on the cleaning box via a shaft; A handle connected to the outer wall of the rotating rod; A connecting frame, the connecting frame can be slidably installed on the cleaning box along the width direction of the solar panel bracket, the driven wheel is rotatably installed on the connecting frame, and the connecting frame has a driving rack arranged along the width direction of the solar panel bracket, the gear is meshed with the driving rack, when the handle is manually moved upward or downward to rotate the gear, the gear drives the connecting frame to slide along the width direction of the solar panel bracket through the driving rack, so that the driven wheel is disengaged or clamped to the other slide rail.

8. The photovoltaic panel cleaning device according to claim 2, characterized in that: The cleaning mechanism comprises: A water tank, wherein the cleaning tank is a bottom-opening structure, the water tank is mounted on the cleaning tank, and the cleaning roller is rotatably mounted in the cleaning tank; A plurality of nozzles, wherein the nozzles are arranged in the top of the water tank and distributed along the axial direction of the cleaning roller; The scraper is rotatably mounted in the cleaning box, and a torsion spring is provided between the scraper and the cleaning box, so that the scraper is always in elastic contact with the surface of the cleaning roller through the elastic torsion force of the torsion spring.

9. The photovoltaic panel cleaning device according to claim 8, characterized in that: The scraper comprises: a mounting portion, a connecting portion and a contact portion, the top two sides of the mounting portion are rotatably mounted on the inner walls of the two ends of the cleaning box respectively, and the torsion spring is arranged between the top two sides of the mounting portion and the inner wall of the cleaning box; The bottom of the mounting portion is connected to one side of the connecting portion, the bottom of the contact portion is connected to the other side of the connecting portion, and the top thereof contacts the surface of the cleaning roller, and a "U"-shaped sewage discharge groove is formed among the mounting portion, the connecting portion and the contact portion.

10. A method for cleaning a photovoltaic power generation panel, characterized in that: The photovoltaic panel cleaning device according to any one of claims 2 to 9, wherein the cleaning method comprises: At night, the first driving assembly drives the cleaning box to slide away from the winding box, and pulls the protective film out of the winding box to cover the surface of the solar panel for protection, and at the same time, the second driving assembly drives the cleaning roller to rotate to clean the surface of the solar panel; During the day, the first driving assembly drives the cleaning box to slide back to the winding box, and at the same time, the protective film is automatically wound into the winding box, and the solar panel works normally.

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