Photovoltaic module automatic cleaning device and method

Abstract

The present invention discloses an automatic cleaning device and method for photovoltaic components, which relate to the field of cleaning technology, and include a loading rack, on the surface of which a photovoltaic panel is fixedly mounted, a sliding groove is provided on the surface of the loading rack, and also include a cleaning device; wherein the cleaning device includes a driving motor, a screw rod, a connecting tube, a sliding plate, a lifting plate, a No. 1 spring, a rotating rod, a rolling brush, two rubber plates and a gripping rod, wherein the driving motor is fixedly penetrated through the inner and outer walls of the loading rack, the screw rod is fixedly connected to the output end of the driving motor, the connecting tube is threadedly connected to the circumferential surface of the screw rod, and the sliding plate is fixedly mounted on a side of the connecting tube close to the sliding groove, and when the photovoltaic panel is cleaned by the rolling brush, the position can be automatically adjusted according to the different height fluctuations of the top of the photovoltaic panel, thereby effectively achieving more comprehensive and efficient cleaning, and avoiding damage caused by uneven cleaning.

Description

Technical Field

[0001] The present invention relates to the field of cleaning technology, and in particular to an automatic cleaning device and method for a photovoltaic component. Background Art

[0002] Photovoltaic modules, also known as solar panels, are devices consisting of multiple connected photovoltaic cells that are used to convert solar energy into electrical energy.

[0003] The patent with patent announcement number CN217393060U relates to an automatic cleaning device for photovoltaic modules, including a photovoltaic module, a spray pipe is provided on the top of the photovoltaic module, the spray pipe is provided with spray holes in the direction of the photovoltaic module, a cleaning brush that can move up and down is provided between the outer frames on both sides of the photovoltaic module, a clean water recovery tank is provided under the bottom of the photovoltaic module, a filter is provided on the top and inside of the clean water recovery tank, a clean water loop is formed between the clean water recovery tank and the spray pipe, the movement of the cleaning brush and the circulation of clean water between the clean water recovery tank and the spray pipe are controlled by a controller, the patent realizes the automatic cleaning function, recycles clean water, and saves water resources.

[0004] The above patent has the function of automatically cleaning the photovoltaic module. A cleaning brush that can move up and down is set between the outer frames on both sides of the photovoltaic module, and a spray pipe is used to spray clean water to the photovoltaic module, so as to effectively realize automatic cleaning of the photovoltaic module. However, the surface of the photovoltaic module in contact with the cleaning brush is uneven, resulting in incomplete cleaning when the cleaning brush moves up and down. If the cleaning brush is set closer to the photovoltaic module, although the cleaning effect can be improved, excessive contact between the cleaning brush and the surface of the module will cause scratches, thereby damaging the surface of the photovoltaic module. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a photovoltaic module automatic cleaning device and method, which solves the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: an automatic cleaning device for photovoltaic components, including a loading frame, a photovoltaic panel is fixedly mounted on the surface of the loading frame, a sliding groove is opened on the surface of the loading frame, and also includes a cleaning device; wherein, the cleaning device includes a driving motor, a screw rod, a connecting tube, a sliding plate, a lifting plate, a No. 1 spring, a rotating rod, a roller brush, two rubber plates and a gripping rod, the driving motor is started, and the output end of the driving motor drives the screw rod to rotate clockwise, and the rotation of the screw rod drives the connecting tube to move away from the driving motor, the driving motor is fixedly penetrated through the inner and outer walls of the loading frame, the screw rod is fixedly connected to the output end of the driving motor, and the connecting tube is threadedly connected to the circumferential surface of the screw rod, The sliding plate is fixedly mounted on a side of the connecting tube close to the sliding groove, the sliding plate is slidably connected to the surface of the loading frame, the lifting plate slides through the inner and outer walls of the sliding plate, the No. 1 spring is arranged between the lifting plate and the sliding plate, the rotating rod is rotatably mounted on a side of the lifting plate close to the photovoltaic panel, the roller brush is fixedly mounted on the circumferential surface of the rotating rod, friction is generated between the roller brush and the photovoltaic panel during movement, the roller brush rotates under the influence of the friction force, and the rotation of the roller brush drives the rotating rod to rotate, the two rubber plates are fixedly mounted on the circumferential surface of the rotating rod, the grip rod is fixedly mounted on a side of the lifting plate away from the rotating rod, the circumferential surface of the connecting tube contacts the inner wall of the sliding groove, and the circumferential surface of the roller brush contacts the top of the photovoltaic panel.

[0007] According to the above technical solution, the two rubber plates are symmetrically arranged with the center position of the roller brush as the vertical axis, the circumferential surface of the rubber plate is provided with an anti-skid groove, the anti-skid groove is in contact with the top of the photovoltaic panel, the anti-skid groove on the circumferential surface of the rubber plate is in contact with the photovoltaic panel during rotation, the anti-skid groove increases the friction between the rubber plate and the photovoltaic panel, the surface of the sliding plate is provided with a moving groove, and the surface of the sliding plate is provided with a limiting groove.

[0008] According to the above technical solution, the sliding plate is provided with a locking device for maintaining the roller brush and a protective device to prevent the roller brush and the rubber plate from colliding with the photovoltaic panel when moving downward, the locking device includes a carrying frame, a C-shaped plate, a No. 1 spring sheet, a card plate, a No. 2 spring sheet, a long rod, a contact tube, a T-shaped rod and an L-shaped plate, the C-shaped plate stretches the No. 1 spring sheet during movement, the No. 1 spring sheet is deformed by the stretching, and the movement of the C-shaped plate drives the card plate to move away from the contact tube, the carrying frame is fixedly mounted on a side of the sliding plate close to the grip rod, the C-shaped plate slides through the inner and outer walls of the carrying frame, the No. 1 spring sheet is arranged between the C-shaped plate and the carrying frame, The card plate is slidably installed on the inner wall of the C-shaped plate, the No. 2 spring sheet is arranged between the card plate and the C-shaped plate, the long rod slides through the inner and outer walls of the carrying frame, the contact tube is fixedly installed on the bottom of the long rod, the T-shaped rod is rotatably installed on the side of the C-shaped plate away from the card plate, the L-shaped plate is fixedly installed on the side of the carrying frame close to the T-shaped rod, a rectangular groove is provided on the inner wall of the carrying frame, the card plate contacts the inner wall of the rectangular groove, a circular hole is provided on the side of the contact tube close to the grip rod, the circular hole contacts the circumferential surface of the grip rod, the grip rod moves while driving the contact tube upward, the contact tube moves and drives the long rod upward, the circumferential surface of the contact tube is provided with a card groove.

[0009] According to the above technical solution, a spherical surface is provided on the top of the contact tube, and a slope is provided on the bottom of the clamping plate. The spherical surface of the contact tube contacts the slope of the clamping plate during movement, and the spherical surface moves to squeeze the slope. The clamping plate is squeezed and moves toward the direction of the C-shaped plate. Arc surfaces are provided on both sides of the contact tube.

[0010] According to the above technical solution, a No. 1 spiral spring is arranged between the T-shaped rod and the C-shaped plate. The T-shaped rod is rotated manually, and the rotation of the T-shaped rod stretches the No. 1 spiral spring. The No. 1 spiral spring is deformed due to the stretching. A second arc surface is provided on one side of the T-shaped rod close to the L-shaped plate, and the second arc surface contacts the inner wall of the L-shaped plate.

[0011] According to the above technical scheme, the protective device includes a cylindrical rod, a connecting plate, several rotating shafts, an elastic sheet, several baffles, two pull rods, a No. 2 spring and a limit rod. The arc surface of the contact tube contacts the elastic sheet during movement, and the movement of the arc surface exerts a thrust on the elastic sheet, so that the movement of the contact tube drives the elastic sheet to rotate upward. The cylindrical rod is slidably installed on the inner wall of the movable groove, the connecting plate is fixedly installed on the circumferential surface of the cylindrical rod, several rotating shafts are rotatably installed on the inner wall of the connecting plate, the elastic sheet is fixedly installed on the circumferential surface of the rotating shaft, several baffles are fixedly installed on the inner wall of the connecting plate, the two pull rods slide through the inner and outer walls of the cylindrical rod, the No. 2 spring is arranged between the pull rod and the cylindrical rod, the pull rod moves to stretch the No. 2 spring, and the No. 2 spring is deformed by the stretching, and the limit rod is fixedly installed on the circumferential surface of the pull rod.

[0012] According to the above technical solution, a No. 2 spiral spring is arranged between the rotating shaft and the connecting plate. The rotating shaft stretches the No. 2 spiral spring during rotation, and the No. 2 spiral spring is deformed due to the stretching. The shape of the elastic sheet is set to be arc-shaped, and the top of the baffle is in contact with the elastic sheet.

[0013] According to the above technical solution, the circumferential surface of the limit rod contacts the inner wall of the limit groove, and the limit rod separates from the limit groove during movement, so that the limit imposed by the sliding plate on the cylindrical rod is released, and pull rods are set on both sides of the cylindrical rod.

[0014] A method for using an automatic cleaning device for a photovoltaic module, using the automatic cleaning device for a photovoltaic module, comprises the following steps:

[0015] Step 1: Under the rainy climate, start the drive motor, and the output end of the drive motor drives the screw to rotate clockwise, and the rotation of the screw drives the connecting pipe to move away from the drive motor;

[0016] Step 2: The movement of the connecting tube drives the sliding plate to move away from the driving motor, the movement of the sliding plate drives the rotating rod to move away from the driving motor, and the movement of the rotating rod drives the roller brush to move away from the driving motor;

[0017] Step 3: The roller brush generates friction with the photovoltaic panel during movement, and the roller brush rotates under the influence of the friction force. The rotation of the roller brush drives the rotating rod to rotate, and the roller brush cleans the top of the photovoltaic panel during rotation;

[0018] Step 4: After the connecting tube moves to the specified position, the output end of the driving motor will drive the screw rod to rotate counterclockwise, so that the screw rod drives the connecting tube to move in the direction of the driving motor.

[0019] The present invention provides a photovoltaic module automatic cleaning device, which has the following beneficial effects:

[0020] (1) In the automatic cleaning device for photovoltaic modules, the anti-skid groove increases the friction force, so that the rubber plate stably drives the rotating rod to rotate. The friction between the rubber plate and the photovoltaic panel enhances the stability of the rotating rod, effectively improving the cleaning efficiency of the roller brush. At the same time, the maintenance process is simplified, so that the operator can quickly perform maintenance or replace the roller brush. At the same time, the lifting plate applies downward pressure to the rotating rod, so that the roller brush maintains close contact with the top of the photovoltaic panel. When the roller brush cleans the photovoltaic panel, it can automatically adjust its position according to the different heights of the top of the photovoltaic panel, effectively achieving more comprehensive and efficient cleaning, and avoiding damage caused by uneven cleaning.

[0021] (2) In the photovoltaic module automatic cleaning device, the card plate contacts the inner wall of the contact tube slot, so that the card plate applies a limit to the contact tube. The card plate automatically limits the contact tube when it moves to the specified position, thereby reducing the operating burden of the operator. At the same time, the roller brush is kept in the specified position, making maintenance or replacement work simpler. At the same time, the limit imposed by the card plate on the contact tube is released, and the T-shaped rod resumes movement and performs a reset movement. The limit imposed on the contact tube can only be released through a simple secondary operation, which can not only improve the standardization of the operation, but also prevent the operator from accidentally touching the roller brush when maintaining the roller brush, resulting in an emergency when the lifting plate is reset.

[0022] (3) In the automatic cleaning device for photovoltaic modules, the deformed elastic sheet applies additional resistance to the moving contact tube. By setting a number of elastic sheets to apply intermittent resistance to the contact tube, the speed of the contact tube moving downward is effectively slowed down, avoiding the collision of the roller brush and the rubber sheet with the photovoltaic panel when moving downward. At the same time, the pull rod is pushed to move, and the movement of the pull rod drives the movement of the cylindrical rod. The position of the cylindrical rod can be quickly adjusted through standardized operations, so that the operator can choose whether to enable the elastic sheet according to actual usage requirements, effectively improving the applicability of the elastic sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the overall structure of the loading rack of the present invention;

[0025] Figure 3 This is a schematic diagram of the position structure of the drive motor and the lead screw of the present invention;

[0026] Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle;

[0027] Figure 5 This is a schematic diagram of the internal structure of the cleaning device of the present invention;

[0028] Figure 6 It is a schematic diagram of the structure of the locking device and the protective device of the present invention;

[0029] Figure 7 This is a schematic diagram of the position structure of the clamping plate and the second spring piece of the present invention;

[0030] Figure 8 It is a schematic diagram of the internal structure of the protective device of the present invention;

[0031] Fig. 9 For the present invention Figure 8 Enlarged structural diagram at B in the middle.

[0032] In the figure: 1. loading rack; 2. photovoltaic panel; 31. driving motor; 32. screw rod; 4. connecting tube; 5. sliding plate; 6. lifting plate; 7. spring No. 1; 8. rotating rod; 9. roller brush; 10. rubber plate; 11. grip rod; 121. carrying frame; 122. C-shaped plate; 123. spring No. 1; 124. clamping plate; 125. spring No. 2; 126. long rod; 127. contact tube; 128. T-shaped rod; 129. L-shaped plate; 131. cylindrical rod; 132. connecting plate; 133. rotating shaft; 134. elastic sheet; 135. baffle; 136. pull rod; 137. spring No. 2; 138. limit rod. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] See also Figure 1-Figure 5 , one embodiment of the present invention is: an automatic cleaning device for photovoltaic components, including a loading rack 1, a photovoltaic panel 2 is fixedly mounted on the surface of the loading rack 1, a sliding groove is opened on the surface of the loading rack 1, and a cleaning device; wherein the cleaning device includes a driving motor 31, a screw rod 32, a connecting tube 4, a sliding plate 5, a lifting plate 6, a No. 1 spring 7, a rotating rod 8, a roller brush 9, two rubber plates 10 and a grip rod 11, the driving motor 31 is fixedly penetrated through the inner and outer walls of the loading rack 1, the screw rod 32 is fixedly connected to the output end of the driving motor 31, the connecting tube 4 is threadedly connected to the circumferential surface of the screw rod 32, the sliding plate 5 is fixedly mounted on a side of the connecting tube 4 close to the sliding groove, and the sliding plate 5 is connected to the loading rack 1. The surface of the frame 1 is slidably connected, the lifting plate 6 slides through the inner and outer walls of the sliding plate 5, a No. 1 spring 7 is arranged between the lifting plate 6 and the sliding plate 5, the rotating rod 8 is rotatably installed on the side of the lifting plate 6 close to the photovoltaic panel 2, the roller brush 9 is fixedly installed on the circumferential surface of the rotating rod 8, two rubber plates 10 are fixedly installed on the circumferential surface of the rotating rod 8, the grip rod 11 is fixedly installed on the side of the lifting plate 6 away from the rotating rod 8, the circumferential surface of the connecting tube 4 contacts the inner wall of the sliding groove, the circumferential surface of the roller brush 9 contacts the top of the photovoltaic panel 2, and when cleaning the photovoltaic panel 2, the roller brush 9 can automatically adjust its position according to the different height ups and downs of the top of the photovoltaic panel 2, thereby effectively realizing more comprehensive and efficient cleaning.

[0035] The two rubber plates 10 are symmetrically arranged with the center position of the roller brush 9 as the vertical axis. The circumferential surface of the rubber plate 10 is provided with an anti-skid groove, which contacts the top of the photovoltaic panel 2. The surface of the sliding plate 5 is provided with a moving groove, and the surface of the sliding plate 5 is provided with a limiting groove. The friction between the rubber plate 10 and the photovoltaic panel 2 enhances the stability of the rotating rod 8, thereby effectively improving the cleaning efficiency of the roller brush 9.

[0036] A method for using an automatic cleaning device for a photovoltaic module, using the automatic cleaning device for a photovoltaic module, comprises the following steps:

[0037] Step 1: Under the rainy climate, the driving motor 31 is started, and the output end of the driving motor 31 drives the screw rod 32 to rotate clockwise, and the screw rod 32 rotates to drive the connecting pipe 4 to move away from the driving motor 31;

[0038] Step 2: The connecting tube 4 moves to drive the sliding plate 5 to move away from the driving motor 31, the sliding plate 5 moves to drive the rotating rod 8 to move away from the driving motor 31, and the rotating rod 8 moves to drive the roller brush 9 to move away from the driving motor 31;

[0039] Step 3: The roller brush 9 generates friction with the photovoltaic panel 2 during movement, and the roller brush 9 rotates under the influence of the friction force. The rotation of the roller brush 9 drives the rotating rod 8 to rotate, and the roller brush 9 cleans the top of the photovoltaic panel 2 during the rotation;

[0040] Step 4: After the connecting tube 4 moves to the designated position, the output end of the driving motor 31 drives the screw rod 32 to rotate counterclockwise, so that the screw rod 32 drives the connecting tube 4 to move in the direction of the driving motor 31 .

[0041] When the present embodiment is working, under the regulation of rainfall climate, the top of the photovoltaic panel 2 contacts with rainwater, the driving motor 31 is started, and the output end of the driving motor 31 drives the screw rod 32 to rotate clockwise, and the rotation of the screw rod 32 drives the connecting tube 4 to move away from the driving motor 31, and the movement of the connecting tube 4 drives the sliding plate 5 to move away from the driving motor 31, and the movement of the sliding plate 5 drives the rotating rod 8 to move away from the driving motor 31, and the movement of the rotating rod 8 drives the roller brush 9 to move away from the driving motor 31, and the roller brush 9 generates friction with the photovoltaic panel 2 during the movement, and the roller brush 9 rotates under the influence of the friction force, and the rotation of the roller brush 9 drives the rotating rod 8 to rotate, and at the same time, the roller brush 9 cleans the top of the photovoltaic panel 2 during the rotation, and the roller brush 9 rotates. When the roller brush 9 contacts the uneven part of the photovoltaic panel 2 during movement, the roller brush 9 moves upward due to the additional resistance. The movement of the roller brush 9 drives the rotating rod 8 to move upward. The movement of the rotating rod 8 drives the lifting plate 6 to move upward. The lifting plate 6 squeezes the No. 1 spring 7 during movement. The No. 1 spring 7 is squeezed and deformed. The deformed No. 1 spring 7 exerts a reaction force on the lifting plate 6. The lifting plate 6 exerts a downward pressure on the rotating rod 8 under the influence of the reaction force, so that the roller brush 9 maintains a close contact with the top of the photovoltaic panel 2 during rotation. When cleaning the photovoltaic panel 2, the roller brush 9 can automatically adjust its position according to the different height fluctuations of the top of the photovoltaic panel 2, thereby effectively achieving more comprehensive and efficient cleaning, and avoiding damage caused by uneven cleaning, thereby ensuring the safety of the photovoltaic panel 2. Integrity, when the rotating rod 8 moves, it drives the rubber plate 10 to move away from the driving motor 31. The circumferential surface of the rubber plate 10 generates friction with the top of the photovoltaic panel 2 during movement. The rubber plate 10 rotates under the influence of the friction force. At the same time, the anti-skid grooves on the circumferential surface of the rubber plate 10 contact the photovoltaic panel 2 during rotation. The anti-skid grooves increase the friction between the rubber plate 10 and the photovoltaic panel 2, so that the rubber plate 10 drives the rotating rod 8 to rotate more stably. After the connecting tube 4 moves to the specified position, the output end of the driving motor 31 will drive the screw rod 32 to rotate counterclockwise, so that the screw rod 32 drives the connecting tube 4 to move in the direction of the driving motor 31. When the operator needs to maintain or replace the roller brush 9, first ensure that the driving motor 31 is in the off state, and then Hold the grip rod 11 and move upward. The movement of the grip rod 11 drives the lifting plate 6 to move upward. The lifting plate 6 squeezes the No. 1 spring 7 during the movement. At the same time, the movement of the lifting plate 6 drives the rotating rod 8 to move upward. The movement of the rotating rod 8 drives the roller brush 9 to move upward. The circumferential surface of the roller brush 9 is separated from the surface in contact with the photovoltaic panel 2 during the movement. At the same time, the movement of the rotating rod 8 drives the rubber plate 10 to move upward. The circumferential surface of the rubber plate 10 is separated from the surface in contact with the photovoltaic panel 2 during the movement. After the roller brush 9 moves to the predetermined position, maintenance or replacement work is carried out. The friction between the rubber plate 10 and the photovoltaic panel 2 enhances the stability of the rotating rod 8, effectively improves the cleaning efficiency of the roller brush 9, and simplifies the maintenance process, so that the operator can quickly perform maintenance or replace the roller brush 9.

[0042] read Figure 1-Figure 9 On the basis of the above embodiment, in another embodiment of the present invention, a locking device for maintaining the roller brush 9 and a protective device for preventing the roller brush 9 and the rubber plate 10 from colliding with the photovoltaic panel 2 when moving downward are provided on the sliding plate 5, and the locking device comprises a carrying frame 121, a C-shaped plate 122, a first spring piece 123, a card plate 124, a second spring piece 125, a long rod 126, a contact tube 127, a T-shaped rod 128 and an L-shaped plate 129, the carrying frame 121 is fixedly mounted on a side of the sliding plate 5 close to the gripping rod 11, the C-shaped plate 122 slides through the inner and outer walls of the carrying frame 121, the first spring piece 123 is arranged between the C-shaped plate 122 and the carrying frame 121, the card plate 124 is slidably mounted on the inner wall of the C-shaped plate 122, and the second spring piece 125 is arranged on the card plate 124. Between the C-shaped plate 122, the long rod 126 slides through the inner and outer walls of the carrying frame 121, the contact tube 127 is fixedly installed at the bottom of the long rod 126, the T-shaped rod 128 is rotatably installed on the side of the C-shaped plate 122 away from the clamping plate 124, and the L-shaped plate 129 is fixedly installed on the side of the carrying frame 121 close to the T-shaped rod 128. A rectangular groove is provided on the inner wall of the carrying frame 121, and the clamping plate 124 contacts the inner wall of the rectangular groove. A circular hole is provided on the side of the contact tube 127 close to the grip rod 11, and the circular hole contacts the circumferential surface of the grip rod 11. A clamping groove is provided on the circumferential surface of the contact tube 127, and the contact tube 127 moved to the specified position is automatically limited by the clamping plate 124, which reduces the operating burden of the operator and keeps the roller brush 9 in the specified position, making maintenance or replacement work simpler.

[0043] A spherical surface is provided at the top of the contact tube 127, a slope is provided at the bottom of the clamping plate 124, and an arc surface is provided on both sides of the contact tube 127. By providing the spherical surface and the slope, it is ensured that when the contact tube 127 contacts the clamping plate 124, the clamping plate 124 can be smoothly driven to move, which helps to improve the smoothness of the overall movement.

[0044] A spiral spring No. 1 is arranged between the T-shaped rod 128 and the C-shaped plate 122. A second arc surface is provided on one side of the T-shaped rod 128 close to the L-shaped plate 129. The second arc surface contacts the inner wall of the L-shaped plate 129. The limit of the contact tube 127 can be released only through a simple secondary operation. This can not only improve the standardization of the operation, but also prevent the operator from accidentally touching the lifting plate 6 when maintaining the roller brush 9, resulting in an emergency.

[0045] The protective device includes a cylindrical rod 131, a connecting plate 132, a plurality of rotating shafts 133, an elastic sheet 134, a plurality of baffles 135, two pull rods 136, a second spring 137 and a limit rod 138. The cylindrical rod 131 is slidably mounted on the inner wall of the movable groove, the connecting plate 132 is fixedly mounted on the circumferential surface of the cylindrical rod 131, the plurality of rotating shafts 133 are rotatably mounted on the inner wall of the connecting plate 132, the elastic sheet 134 is fixedly mounted on the circumferential surface of the rotating shaft 133, and the plurality of baffles 135 are fixedly mounted on the circumferential surface of the rotating shaft 133. 35 is fixedly mounted on the inner wall of the connecting plate 132, two pull rods 136 slide through the inner and outer walls of the cylindrical rod 131, a No. 2 spring 137 is arranged between the pull rod 136 and the cylindrical rod 131, and a limit rod 138 is fixedly mounted on the circumferential surface of the pull rod 136. By arranging a plurality of elastic sheets 134, intermittent resistance is applied to the contact tube 127, thereby effectively slowing down the speed at which the contact tube 127 moves downward, thereby preventing the roller brush 9 and the rubber plate 10 from colliding with the photovoltaic panel 2 when moving downward.

[0046] A No. 2 volute spring is arranged between the rotating shaft 133 and the connecting plate 132. The shape of the elastic sheet 134 is arranged to be arc-shaped. The top of the baffle 135 contacts the elastic sheet 134. By arranging the No. 2 volute spring, it is ensured that the rotating shaft 133 can be quickly reset after rotation, which helps to ensure the overall stability.

[0047] The circumferential surface of the limiting rod 138 contacts the inner wall of the limiting groove, and pull rods 136 are provided on the left and right sides of the cylindrical rod 131. The position of the cylindrical rod 131 can be quickly adjusted through standardized operation, so that the operator can choose whether to enable the elastic sheet 134 according to actual usage requirements, thereby effectively improving the applicability of the elastic sheet 134.

[0048] When the present embodiment is working, the gripping rod 11 moves and drives the contact tube 127 to move upward, and the movement of the contact tube 127 drives the long rod 126 to move upward. The carrying frame 121 provides support for the gripping rod 11 through the long rod 126 and the contact tube 127, so that the gripping rod 11 can move smoothly. The spherical surface 1 of the contact tube 127 contacts the inclined surface 1 of the clamping plate 124 during the movement, and the spherical surface 1 moves to squeeze the inclined surface 1, and the clamping plate 124 is squeezed to move toward the C-shaped plate 122. The clamping plate 124 squeezes the second spring piece 125 during the movement, and the second spring piece 125 is squeezed and deformed. When the contact tube 127 moves to the specified position, the contact surface of the clamping plate 124 and the circumferential surface of the contact tube 127 are separated, so that the deformed second spring piece 125 is restored to drive the clamping plate 124 to move away from the C-shaped plate 122. The clamping plate 124 contacts the inner wall of the clamping groove of the contact tube 127 during the movement, so that the clamping plate 124 applies a limit to the contact tube 127. The contact tube 127 is limited and cannot move, causing the grip 11 to stop moving. The clamping plate 124 automatically limits the contact tube 127 moved to the specified position, thereby reducing the operating burden of the operator and keeping the roller brush 9 At the designated position, maintenance or replacement work is made simpler. After the maintenance work is completed, the T-shaped rod 128 is manually rotated clockwise. The T-shaped rod 128 rotates to stretch the No. 1 spiral spring. The No. 1 spiral spring is stretched and deformed. At the same time, the arc surface 2 of the T-shaped rod 128 is separated from the surface in contact with the L-shaped plate 129 during the rotation, so that the limit imposed by the L-shaped plate 129 on the C-shaped plate 122 is released, and then the T-shaped rod 128 is continued to be pulled to move away from the mounting frame 121. The movement of the T-shaped rod 128 drives the C-shaped plate 122 to move away from the mounting frame 121. The C-shaped plate 122 moves away from the mounting frame 121. During the movement, the first spring sheet 123 is stretched, and the first spring sheet 123 is deformed by the stretching. At the same time, the C-shaped plate 122 moves to drive the clamping plate 124 to move away from the contact tube 127. The clamping plate 124 is separated from the clamping groove during the movement, so that the limit imposed by the clamping plate 124 on the contact tube 127 is released, and the T-shaped rod 128 resumes the movement and performs the reset movement. The limit imposed on the contact tube 127 can be released through a simple secondary operation, which can not only improve the standardization of the operation, but also prevent the operator from accidentally touching the reset of the lifting plate 6 when maintaining the roller brush 9;

[0049] When the contact tube 127 moves upward, the contact tube 127 contacts with a plurality of elastic sheets 134. The arc surface 1 of the contact tube 127 contacts with the curved surface of the elastic sheet 134 during the movement. The movement of the arc surface 1 applies a thrust to the curved surface of the elastic sheet 134, so that the movement of the contact tube 127 drives the elastic sheet 134 to rotate upward. The rotation of the elastic sheet 134 drives the rotating shaft 133 to rotate upward. The rotating shaft 133 stretches the second scroll spring during the rotation. At the same time, the surface of the elastic sheet 134 in contact with the baffle 135 during the rotation is separated. When the arc surface 1 separates from the elastic sheet 134, the second scroll spring recovers and drives the rotating shaft 133 to rotate downward. The rotation of the rotating shaft 133 drives the elastic sheet 134 to rotate downward. The elastic sheet 134 reciprocates with the baffle 135 during the rotation. When the contact tube 127 is newly contacted and moves downward, the contact tube 127 contacts with a plurality of elastic sheets 134, and the arc surface 1 contacts with the inner concave surface of the elastic sheet 134. Since the elastic sheet 134 is blocked by the baffle 135 and cannot rotate downward, the arc surface 1 continues to move and squeeze the elastic sheet 134. The elastic sheet 134 is squeezed and bends downward to deform. The deformed elastic sheet 134 applies additional resistance to the moving contact tube 127. When the arc surface 1 separates from the elastic sheet 134, the deformed elastic sheet 134 recovers under the action of its own elasticity. By providing a plurality of elastic sheets 134 to apply intermittent resistance to the contact tube 127, the speed of the contact tube 127 moving downward is effectively slowed down, and the roller brush 9 and the rubber plate 10 are prevented from moving downward. When the pull rod 136 collides with the photovoltaic panel 2 during movement, the operator does not need to use the elastic sheet 134, and pulls the pull rod 136 to move in the direction away from the cylindrical rod 131. The pull rod 136 moves to stretch the No. 2 spring 137. The No. 2 spring 137 is deformed by the stretching. At the same time, the pull rod 136 moves to drive the limit rod 138 to move in the direction away from the sliding plate 5. The limit rod 138 separates from the limit groove during the movement, so that the limit imposed by the sliding plate 5 on the cylindrical rod 131 is released, and the pull rod 136 is pushed to move in the direction of the grip rod 11. The pull rod 136 moves to drive the cylindrical rod 131 to move in the direction of the grip rod 11. The cylindrical rod 131 moves to drive the connecting plate 132 to move in the direction of the grip rod 11. The connecting plate 132 moves to drive the rotating shaft 133 and The baffle 135 moves toward the grip rod 11, and the rotation shaft 133 moves to drive the elastic sheet 134 to move toward the grip rod 11. When the cylindrical rod 131 moves to the specified position, the pull rod 136 is released, and the deformed No. 2 spring 137 recovers and drives the pull rod 136 to move toward the cylindrical rod 131. The movement of the pull rod 136 drives the limiting rod 138 to move toward the sliding plate 5. The limiting rod 138 contacts the inner wall of the limiting groove during the movement, so that the cylindrical rod 131 stops moving. At the same time, the arc surface 1 does not contact the elastic sheet 134 during the movement. The position of the cylindrical rod 131 can be quickly adjusted through standard operations, so that the operator can choose whether to enable the elastic sheet 134 according to actual usage requirements, thereby effectively improving the applicability of the elastic sheet 134.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic module automatic cleaning device, comprising a loading frame (1), characterized in that: A photovoltaic panel (2) is fixedly mounted on the surface of the loading rack (1), a sliding groove is provided on the surface of the loading rack (1), and a cleaning device is also included; The cleaning device comprises a driving motor (31), a screw rod (32), a connecting tube (4), a sliding plate (5), a lifting plate (6), a No. 1 spring (7), a rotating rod (8), a roller brush (9), two rubber plates (10) and a gripping rod (11); the driving motor (31) is fixedly inserted through the inner and outer walls of the loading frame (1); the screw rod (32) is fixedly connected to the output end of the driving motor (31); the connecting tube (4) is threadedly connected to the circumferential surface of the screw rod (32); the sliding plate (5) is fixedly mounted on a side of the connecting tube (4) close to the sliding groove; and the sliding plate (5) is slidably connected to the surface of the loading frame (1). The lifting plate (6) slides through the inner and outer walls of the sliding plate (5), the first spring (7) is arranged between the lifting plate (6) and the sliding plate (5), the rotating rod (8) is rotatably mounted on a side of the lifting plate (6) close to the photovoltaic panel (2), the rolling brush (9) is fixedly mounted on the circumferential surface of the rotating rod (8), the two rubber plates (10) are fixedly mounted on the circumferential surface of the rotating rod (8), the gripping rod (11) is fixedly mounted on a side of the lifting plate (6) away from the rotating rod (8), the circumferential surface of the connecting tube (4) contacts the inner wall of the sliding groove, and the circumferential surface of the rolling brush (9) contacts the top of the photovoltaic panel (2); Wherein, the sliding plate (5) is provided with a locking device for maintaining the roller brush (9) and a protective device for preventing the roller brush (9) and the rubber plate (10) from colliding with the photovoltaic panel (2) when moving downward; The locking device comprises a carrying frame (121), a C-shaped plate (122), a first spring piece (123), a clamping plate (124), a second spring piece (125), a long rod (126), a contact tube (127), a T-shaped rod (128) and an L-shaped plate (129); the carrying frame (121) is fixedly mounted on a side of the sliding plate (5) close to the gripping rod (11); the C-shaped plate (122) slides through the inner and outer walls of the carrying frame (121); the first spring piece (123) is arranged between the C-shaped plate (122) and the carrying frame (121); the clamping plate (124) is slidably mounted on the inner wall of the C-shaped plate (122); the second spring piece (125) is arranged between the clamping plate (124) and the C-shaped plate (129); The mounting frame (121) is provided with a plurality of contact tubes (127) and a plurality of contact tubes (127). The contact tubes (127) are provided on the bottom of the plurality of contact tubes (126). The plurality of contact tubes (127) are provided on the bottom of the plurality of contact tubes (126). The plurality of contact tubes (127) are provided on the bottom of the plurality of contact tubes (126). The plurality of contact tubes (127) are provided on the bottom of the plurality of contact tubes (126). The plurality of contact tubes (127) are provided on the bottom of the plurality of contact tubes (127). The plurality of contact tubes (127) are provided on the bottom of the plurality of contact tubes (127). The plurality of contact tubes (127) are provided on the bottom of the plurality of contact tubes (127). The plurality of contact tubes (127) are provided on the bottom of the plurality of contact tubes (127). The plurality of contact tubes (127) are provided on the bottom of the plurality of contact tubes (127). The plurality of contact tubes (127) are provided on the bottom of the plurality of contact tubes (127). The plurality of contact tubes (127) are provided on the bottom of the plurality of contact tubes (127). The plurality of contact tubes (127) are provided on the bottom of the plurality of contact tubes (127).

2. The photovoltaic module automatic cleaning device according to claim 1, characterized in that: The two rubber plates (10) are symmetrically arranged with the center position of the roller brush (9) as the vertical axis, the circumferential surface of the rubber plate (10) is provided with an anti-skid groove, the anti-skid groove contacts the top of the photovoltaic panel (2), the surface of the sliding plate (5) is provided with a moving groove, and the surface of the sliding plate (5) is provided with a limiting groove.

3. The photovoltaic module automatic cleaning device according to claim 1, characterized in that: A spherical surface is formed on the top of the contact tube (127), an inclined surface is formed on the bottom of the clamping plate (124), and arc surfaces are formed on both sides of the contact tube (127).

4. The photovoltaic module automatic cleaning device according to claim 1, characterized in that: A first spiral spring is arranged between the T-shaped rod (128) and the C-shaped plate (122); a second arc surface is provided on a surface of the T-shaped rod (128) close to the L-shaped plate (129); the second arc surface contacts the inner wall of the L-shaped plate (129).

5. The photovoltaic module automatic cleaning device according to claim 1, characterized in that: The protective device comprises a cylindrical rod (131), a connecting plate (132), a plurality of rotating shafts (133), an elastic sheet (134), a plurality of baffles (135), two pull rods (136), a second spring (137) and a limiting rod (138); the cylindrical rod (131) is slidably mounted on the inner wall of the movable groove; the connecting plate (132) is fixedly mounted on the circumferential surface of the cylindrical rod (131); and the plurality of rotating shafts (133) are rotatably mounted on the connecting plate (132). The inner wall of the plate (132), the elastic sheet (134) is fixedly mounted on the circumferential surface of the rotating shaft (133), a plurality of baffles (135) are fixedly mounted on the inner wall of the connecting plate (132), the two pull rods (136) slide through the inner and outer walls of the cylindrical rod (131), the second spring (137) is arranged between the pull rod (136) and the cylindrical rod (131), and the limit rod (138) is fixedly mounted on the circumferential surface of the pull rod (136).

6. The photovoltaic module automatic cleaning device according to claim 5, characterized in that: A second spiral spring is provided between the rotating shaft (133) and the connecting plate (132); the elastic sheet (134) is arranged in an arc shape; and the top of the baffle (135) is in contact with the elastic sheet (134).

7. The photovoltaic module automatic cleaning device according to claim 6, characterized in that: The circumferential surface of the limiting rod (138) contacts the inner wall of the limiting groove, and pull rods (136) are provided on both the left and right sides of the cylindrical rod (131).

8. A method for using an automatic cleaning device for photovoltaic components, using the automatic cleaning device for photovoltaic components according to claim 7, characterized in that: The following steps are involved: Step 1: under the condition of rainfall, the driving motor (31) is started, and the output end of the driving motor (31) drives the screw rod (32) to rotate clockwise, and the screw rod (32) rotates to drive the connecting pipe (4) to move in a direction away from the driving motor (31); Step 2: The connecting tube (4) moves to drive the sliding plate (5) to move in a direction away from the driving motor (31), the sliding plate (5) moves to drive the rotating rod (8) to move in a direction away from the driving motor (31), and the rotating rod (8) moves to drive the roller brush (9) to move in a direction away from the driving motor (31); Step 3: friction is generated between the roller brush (9) and the photovoltaic panel (2) during movement, and the roller brush (9) rotates under the influence of the friction force. The rotation of the roller brush (9) drives the rotating rod (8) to rotate, and the roller brush (9) cleans the top of the photovoltaic panel (2) during rotation; Step 4: After the connecting tube (4) moves to the designated position, the output end of the driving motor (31) drives the screw rod (32) to rotate counterclockwise, so that the screw rod (32) drives the connecting tube (4) to move in the direction of the driving motor (31).

Images