Cleaning device and cleaning method for photovoltaic module glass based on delaying power generation attenuation

Abstract

The application belongs to the technical field of photovoltaic module maintenance, and particularly relates to a cleaning device and method for photovoltaic module glass based on delaying power generation attenuation. The cleaning device for photovoltaic module glass based on delaying power generation attenuation comprises a photovoltaic panel main body, a fixing part, a sealing driving part, a displacement part and a scraping part, and the surface of the photovoltaic panel main body is provided with a cleaning robot. When the surface of the photovoltaic panel main body is cleaned, the coating solution is uniformly covered on the surface of the photovoltaic panel main body, the surface of the photovoltaic panel main body is coated after being cleaned, the light transmittance is improved, frequent cleaning of the photovoltaic panel main body itself can avoid physical damage to the film surface, and the power generation efficiency of the photovoltaic panel main body is improved. Through cooperation of the displacement part, the cleaning robot is far away from the photovoltaic panel main body, the distance between the cleaning robot and the photovoltaic panel main body is increased, the cleaning robot has no influence on the scraping part when the scraping part operates, and the uniformity of coating of the coating solution is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of photovoltaic module maintenance, and particularly relates to a cleaning device and cleaning method for photovoltaic module glass based on delaying power generation attenuation. BACKGROUND

[0002] Photovoltaic modules are exposed to the sun and rain for a long time, and are subjected to long-term tests of various extreme harsh environments. As a result, various dirt, such as thick dust, bird droppings, white and gold spots caused by mildew of the glass itself, iron oxide powder, rubber, etc. is formed on the surface. In desert areas, the film layer is even peeled off due to the blowing of wind and sand. In tropical and subtropical coastal areas, the air contains a high amount of salt and water vapor, and the film layer surface is also prone to roughening and even peeling off. Therefore, the power generation efficiency of photovoltaic modules generally decreases year by year, and can decrease by more than 10% in two or three years, and more than 20% in 7 or 8 years. In extreme use conditions, it can even decrease by more than 40%.

[0003] A reflective film is coated on the photovoltaic glass to increase the power generation efficiency of the photovoltaic module. This method is effective and indeed greatly improves the power generation efficiency of the photovoltaic module. However, as time goes by, due to various pollution of the cover plate photovoltaic glass and the poor weather resistance of the cover plate glass itself, the light transmittance of the cover plate glass decreases year by year, and the power generation of the photovoltaic module decreases year by year. After 8 or 9 years, whether the module is coated or not, the decrease is very serious, and the power generation of some modules decreases by 20% to 30%, and the power generation of some modules even decreases by more than 40%, which greatly affects the power generation efficiency.

[0004] The traditional cleaning method is only physical cleaning, which cleans the newly fallen dust on the surface of the module, and therefore the effect is limited. Bird droppings on the module cannot be removed. The mildew of the cover plate glass due to high temperature and high humidity cannot be removed, and the white spots and crystal spots on the surface of the cover plate glass cannot be removed. In a specific environment, such as near a steel mill, the surface of the module has a layer of iron oxide dirt, and near a rubber factory, the surface of the module has a layer of vulcanized rubber, which is not easy to clean. Frequent brushing itself can cause physical damage to the film surface and reduce the power generation efficiency of the module.

[0005] For example, Chinese Patent No. CN104607419B discloses a cleaning device for a photovoltaic cell panel, which only simply introduces the function of cleaning the surface of the photovoltaic panel. However, the cleaning device does not have the function of coating a film on the surface of the photovoltaic panel after cleaning. Frequent brushing itself can cause physical damage to the film surface and reduce the power generation efficiency of the module.

[0006] For example, Chinese patent No. CN218734146U discloses a photovoltaic panel assembly cleaning device. A tongue plate is arranged on the installation plate away from the walking beam. The connecting rod is connected to the tongue plate after passing through the installation plate, so that the tongue plate and the installation plate can participate in stress at the same time, the stress is dispersed, the service life of the tongue plate and the installation plate is improved, and the turning tendency of the driving assembly is reduced. However, the device does not have the function of coating the surface of the photovoltaic panel after cleaning. Frequent brushing itself can cause physical damage to the film surface and reduce the power generation efficiency of the assembly. SUMMARY

[0007] The purpose of the present application is to provide a cleaning device for photovoltaic module glass based on delaying power generation attenuation, which can coat the surface of the photovoltaic panel after cleaning the photovoltaic panel, improve the light transmittance, avoid frequent brushing of the photovoltaic panel itself, and improve the power generation efficiency of the photovoltaic module.

[0008] The technical solutions adopted by the present application are as follows:

[0009] The cleaning device for photovoltaic module glass based on delaying power generation attenuation comprises:

[0010] A photovoltaic panel body, a cleaning robot is arranged on the surface of the photovoltaic panel body, walking devices are installed at both ends of the cleaning robot, the walking devices are in contact with the photovoltaic panel body, and a sealing frame is installed at the lower end of the cleaning robot;

[0011] A fixing part is installed in the cleaning robot, and the fixing part is used to limit the position of the cleaning robot;

[0012] A sealing driving part is installed on the sealing frame and located in the cleaning robot, and the sealing driving part is used to form a closed cavity between the sealing frame and the photovoltaic panel body;

[0013] A displacement part is installed at the end of the cleaning robot and connected with the walking devices and the sealing frame, and the displacement part is used to drive the cleaning robot and the sealing frame away from each other;

[0014] A scraping part is installed in the sealing frame, and the scraping part is used to scrape the liquid on the photovoltaic panel body;

[0015] Wherein, when cleaning the surface of the photovoltaic panel body, the cleaning robot is driven to move on the photovoltaic panel body by controlling the running of the walking device, the sealing frame is moved out from the inside of the cleaning robot and contacted with the photovoltaic panel body by controlling the running of the sealing driving part, the cleaning robot is driven away from the photovoltaic panel body by the displacement piece, the fixing part is fixed on the surface of the photovoltaic panel body by controlling the running of the fixing part, and the position of the cleaning robot is fixed, the coating liquid is filled into the inside of the sealing frame, and the coating liquid is evenly covered on the surface of the photovoltaic panel body by controlling the running of the scraping part.

[0016] In the preferred solution, the fixing part comprises a round pipe, a suction cup, an electric push rod, a connecting rod, a piston, an extending piece, a cleaning piece and a limiting piece, the round pipe is slidingly connected in the inside of the cleaning robot, the suction cup is fixed at the lower end of the round pipe, the electric push rod is fixed at the upper end of the round pipe, the piston is slidingly connected in the inside of the round pipe, the connecting rod is fixed in the inside of the piston, the connecting rod is fixedly connected with the output end of the electric push rod, the electric push rod is slidingly connected with the cleaning robot, the extending piece is fixed in the inside of the cleaning robot and above the electric push rod, the cleaning piece is installed in the inside of the lower end of the connecting rod, and the limiting piece is installed in the inside of the cleaning robot and clamped with the round pipe.

[0017] In the preferred solution, the extending piece comprises an electromagnetic rod and a spring a, the electromagnetic rod is fixed in the inside of the cleaning robot and above the electric push rod, and the spring a is fixed in the inside of the cleaning robot and outside the electromagnetic rod.

[0018] In the preferred solution, the cleaning piece comprises a round rod, a cleaning brush and a spring b, the round rod is arranged at the lower end in the inside of the connecting rod, the surface of the round rod is provided with a spiral groove, the connecting rod is movably connected with the round rod through the spiral groove, the cleaning brush is fixed at the lower end of the round rod, and the spring b is arranged in the inside of the connecting rod and above the round rod.

[0019] In the preferred solution, the limiting piece comprises a clamping rod and a tension spring, the clamping rod is slidingly connected in the inside of the cleaning robot and close to the round pipe, the tension spring is arranged in the inside of the cleaning robot and away from the round pipe, one end of the tension spring is fixedly connected with the cleaning robot, the other end of the tension spring is fixedly connected with the clamping rod, and the clamping rod is clamped with the round pipe.

[0020] In the preferred solution, the sealing driving part comprises an electromagnetic strip a, an electromagnetic strip b, a limiting rod and a spring c, the electromagnetic strip a is fixed on the outside of the sealing frame, the electromagnetic strip b is fixed on the inside of the cleaning robot and is located below the electromagnetic strip a, the limiting rod is fixed on the upper end of the sealing frame and is in sliding connection with the cleaning robot, and the spring c is arranged on the outside of the limiting rod and is located in the inside of the cleaning robot.

[0021] In the preferred solution, the displacement part comprises a spur gear, a rack a and a rack b, the spur gear is in rotary connection with the walking device near one end of the cleaning robot, the rack a is fixed on the upper end of the sealing frame and is in meshing connection with the rack a, the rack a is in sliding connection with the cleaning robot, and the rack b is in meshing connection on the side of the spur gear away from the rack a, and the rack b is in fixed connection with the cleaning robot.

[0022] In the preferred solution, a sliding part is arranged between the walking device and the cleaning robot, the sliding part comprises a sliding block and a compression spring, the sliding block is fixed on one end of the cleaning robot and is in sliding connection with the walking device, and the compression spring is fixed on the upper end of the sliding block.

[0023] In the preferred solution, the scraping part comprises a screw rod, a driving source, a supporting rod, a steel wire rope and a scraping strip, the screw rod is in rotary connection in the inside of the sealing frame, the driving source is fixed on the sealing frame and the output end of the driving source is in fixed connection with the screw rod, the supporting rod is in threaded connection on the outside of the screw rod, the steel wire rope is fixed on the lower end of the supporting rod, and the scraping strip is fixed on the lower end of the steel wire rope.

[0024] The second object of the present application is to provide a cleaning method for photovoltaic module glass based on delaying power generation attenuation, which is used for the cleaning device for photovoltaic module glass based on delaying power generation attenuation, and comprises the following steps:

[0025] The first step is to place the cleaning robot on the photovoltaic panel body, make the walking device contact with the photovoltaic panel body, control the walking device to run, drive the cleaning robot to move on the photovoltaic panel body and clean;

[0026] The second step is to control the sealing driving part, so that the sealing frame moves out from the inside of the cleaning robot and contacts with the photovoltaic panel body, form a closed cavity between the sealing frame and the photovoltaic panel body, and drive the cleaning robot away from the photovoltaic panel body through the displacement part;

[0027] The third step is to control the fixed part to run, so that the fixed part is fixed on the surface of the photovoltaic panel body, and then fix the position of the cleaning robot;

[0028] The fourth step is to fill the cavity between the sealing frame and the photovoltaic panel body with cleaning liquid circulation or soaking, and then discharge the cleaning liquid after 5 to 20 minutes of circulation or soaking;

[0029] Fifth step: fill the cavity between the sealing frame and the photovoltaic panel body with clean water circulation flushing, and discharge clean water;

[0030] Sixth step: fill the cavity between the sealing frame and the photovoltaic panel body with hot air to dry the surface of the photovoltaic panel body inside the cavity;

[0031] Seventh step: fill the cavity between the sealing frame and the photovoltaic panel body with normal temperature coating solution, and then discharge it after filling;

[0032] Eighth step: control the scraping part to run, and scrape the coating solution attached to the surface of the photovoltaic panel body, so that the coating solution uniformly covers the surface of the photovoltaic panel body.

[0033] The technical effects obtained by the present application are:

[0034] In the present application, when cleaning the surface of the photovoltaic panel body, the walking device is controlled to run, the cleaning robot is driven to move on the photovoltaic panel body, the sealing drive part is controlled to make the sealing frame move out of the inside of the cleaning robot and contact the photovoltaic panel body, at the same time, the displacement member drives the cleaning robot to move away from the photovoltaic panel body, the coating solution is filled into the inside of the sealing frame, the fixed part is controlled to run to be fixed on the surface of the photovoltaic panel body, and then the position of the cleaning robot is fixed, the coating solution is uniformly covered on the surface of the photovoltaic panel body by controlling the scraping part to run, after cleaning the photovoltaic panel body, the surface of the photovoltaic panel body is coated, the light transmittance is improved, and the physical damage to the film surface caused by frequent brushing of the photovoltaic panel body itself is avoided, and the power generation efficiency of the photovoltaic panel body is improved.

[0035] In the present application, after the sealing drive part drives the sealing frame to move close to the photovoltaic panel body, the displacement member is synchronously operated to make the cleaning robot and the sealing frame move away from each other, and then the cleaning robot moves away from the photovoltaic panel body, the distance between the cleaning robot and the photovoltaic panel body is increased, the cleaning robot does not affect the scraping part when the scraping part runs, and the uniformity of the coating solution coverage is improved. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 It is a structure schematic view of the cleaning robot and the walking device of the present application installed on the photovoltaic panel body;

[0037] Figure 2 It is a structure schematic view of the cleaning robot and the walking device of the present application installed on the photovoltaic panel body;

[0038] Figure 3 It is an exploded view of the present application;

[0039] Figure 4 It is a sectional view of the fixed part of the present application;

[0040] Figure 5 is an exploded view of the fixed part of the present application;

[0041] Figure 6 is a structural schematic diagram of the sealed frame separated from the cleaning robot of the present application;

[0042] Figure 7 is a structural schematic diagram of the sealed driving part installed inside the cleaning robot of the present application;

[0043] Figure 8 is a structural schematic diagram of the displacement part and the sliding part of the present application;

[0044] Figure 9 is a structural schematic diagram of the displacement part of the present application;

[0045] Figure 10 is a structural schematic diagram of the sliding part of the present application;

[0046] Figure 11 is a structural schematic diagram of the scraping part of the present application;

[0047] Figure 12 is an exploded view of the scraping part of the present application.

[0048] In the drawings, the components represented by each reference numeral are as follows:

[0049] 1, photovoltaic panel main body; 2, cleaning robot; 3, walking device; 4, sealed frame

[0050] 10, fixed part; 11, round pipe; 12, suction cup; 13, electric push rod; 14, connecting rod; 15, piston

[0051] 20, extension part; 21, electromagnetic rod; 22, spring a

[0052] 30, cleaning part; 31, round rod; 32, cleaning brush; 33, spring b

[0053] 40, limiting part; 41, clamping rod; 42, tension spring

[0054] 50, sealed driving part; 51, electromagnetic strip a; 52, electromagnetic strip b; 53, limiting rod; 54, spring c

[0055] 60, displacement part; 61, straight gear; 62, rack a; 63, rack b

[0056] 70, sliding part; 71, sliding block; 72, compression spring

[0057] 80, scraping part; 81, screw rod; 82, driving source; 83, support rod; 84, steel wire rope; 85, scraping strip Embodiment

[0058] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0059] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0060] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in a preferred embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it constitute a separate or selective embodiment that is mutually exclusive of other embodiments.

[0061] Furthermore, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, when describing the embodiments of the present invention, cross-sectional views illustrating device structures may be partially enlarged and not to scale. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, the three-dimensional dimensions of length, width, and depth should be included. Example

[0062] Please see the attached Figures 1 to 3 As shown, it is the first embodiment of the present invention, which provides a cleaning device for photovoltaic module glass based on delaying power generation attenuation, including a photovoltaic panel body 1, a fixing part 10, a sealing drive part 50, a displacement part 60 and a scraping part 80. A cleaning robot 2 is provided on the surface of the photovoltaic panel body 1, and walking devices 3 are installed at both ends of the cleaning robot 2. The walking device 3 is in contact with the photovoltaic panel body 1. A sealing frame 4 is installed at the lower end of the cleaning robot 2. The fixing part 10 is installed inside the cleaning robot 2. The fixing part 10 is used to limit the position of the cleaning robot 2. The sealing drive part 50 is installed on the sealing frame 4 and is located inside the cleaning robot 2. The sealing drive part 50 is used to form a closed cavity between the sealing frame 4 and the photovoltaic panel body 1. The displacement part 60 is installed at the end of the cleaning robot 2 and is connected to the walking device 3 and the sealing frame 4. The displacement part 60 is used to drive the cleaning robot 2 and the sealing frame 4 away from each other. The scraping part 80 is installed inside the sealing frame 4. The scraping part 80 is used to scrape the liquid on the photovoltaic panel body 1.

[0063] Specifically, when cleaning the surface of the photovoltaic panel body 1, the walking device 3 is controlled to operate, the cleaning robot 2 is driven to move on the photovoltaic panel body 1, the sealing drive part 50 is controlled to operate, the sealing frame 4 is moved out of the cleaning robot 2 and contacts the photovoltaic panel body 1, the cleaning robot 2 is driven to move away from the photovoltaic panel body 1 by the displacement part 60, the fixing part 10 is controlled to operate, the fixing part 10 is fixed on the surface of the photovoltaic panel body 1, the position of the cleaning robot 2 is fixed, the coating liquid is poured into the sealing frame 4, and the coating liquid is uniformly covered on the surface of the photovoltaic panel body 1 by controlling the scraping part 80 to operate.

[0064] It should be noted that the walking device 3 is composed of multiple motors and rolling wheels, and the specific structure is a mature technology known to those skilled in the art in the field of photovoltaic panel cleaning, which will not be described in detail here.

[0065] In a preferred embodiment, referring to Figure 5 and Figure 6 , the fixing part 10 includes a round tube 11, a suction cup 12, an electric push rod 13, a connecting rod 14, a piston 15, an extension part 20, a cleaning part 30, and a limiting part 40. The round tube 11 is slidingly connected in the interior of the cleaning robot 2, the suction cup 12 is fixed at the lower end of the round tube 11, the electric push rod 13 is fixed at the upper end of the round tube 11, the piston 15 is slidingly connected in the interior of the round tube 11, the connecting rod 14 is fixed in the interior of the piston 15, the connecting rod 14 is fixedly connected with the output end of the electric push rod 13, the electric push rod 13 is slidingly connected with the cleaning robot 2, the extension part 20 is fixed in the interior of the cleaning robot 2 and above the electric push rod 13, the cleaning part 30 is installed in the interior of the lower end of the connecting rod 14, the limiting part 40 is installed in the interior of the cleaning robot 2, and the limiting part 40 is clamped with the round tube 11.

[0066] In this embodiment, when the position of the cleaning robot 2 is limited before coating, the extension part 20 is started to cancel the limitation of the electric push rod 13, the round tube 11 is moved downward in the interior of the cleaning robot 2 through the extension part 20, the cleaning part 30 contacts the photovoltaic panel body 1, the impurities on the photovoltaic panel body 1 are cleaned by the cleaning part 30, the impurities are prevented from being sucked into the interior of the round tube 11, the electric push rod 13 is started to drive the connecting rod 14 to move upward, the piston 15 follows to move, the volume between the photovoltaic panel body 1, the suction cup 12, the round tube 11 and the piston 15 is increased, the air pressure is reduced, and the suction cup 12 is adsorbed on the photovoltaic panel body 1. When the piston 15 moves to the appropriate position on the round tube 11, the limiting part 40 is driven to operate to clamp the round tube 11, and the round tube 11 is prevented from moving in the interior of the cleaning robot 2.

[0067] Secondly, referring to Figure 5 andFigure 6 The extending member 20 comprises an electromagnetic rod 21 fixed inside the cleaning robot 2 and above the electric push rod 13, and a spring a 22 fixed inside the cleaning robot 2 and outside the electromagnetic rod 21.

[0068] When the position of the cleaning robot 2 is limited before the coating, the power supply to the electromagnetic rod 21 is cut off, so that the electromagnetic rod 21 loses its magnetism and the attraction to the electric push rod 13, and the electric push rod 13 is moved downward by the elastic force of the spring a 22, so that the circular tube 11 moves downward inside the cleaning robot 2, and the suction cup 12 contacts the photovoltaic panel body 1, avoiding the leakage of gas between the suction cup 12 and the photovoltaic panel body 1 when the piston 15 moves.

[0069] Further, referring to Figure 5 and Figure 6 , the cleaning member 30 comprises a circular rod 31, a cleaning brush 32, and a spring b 33. The circular rod 31 is arranged at the lower end of the connecting rod 14, the surface of the circular rod 31 is provided with a spiral groove, the connecting rod 14 is movably connected with the circular rod 31 through the spiral groove, the cleaning brush 32 is fixed at the lower end of the circular rod 31, and the spring b 33 is arranged inside the connecting rod 14 and above the circular rod 31.

[0070] When the circular tube 11 moves downward inside the cleaning robot 2 and the cleaning brush 32 contacts the photovoltaic panel body 1, the circular tube 11 continues to move downward, which causes the connecting rod 14 to move downward on the surface of the circular rod 31, and the connecting rod 14 rotates inside the connecting rod 14 along the spiral groove on the surface of the circular rod 31 and moves into the connecting rod 14, and further drives the cleaning brush 32 to rotate on the photovoltaic panel body 1, while the spring b 33 is compressed under stress, and the impurities attached to the uncleaned part of the photovoltaic panel body 1 are cleaned by the cleaning brush 32, avoiding the impurities being sucked into the inside of the circular tube 11, and ensuring the normal operation and service life of the piston 15. When the circular tube 11 moves away from the photovoltaic panel body 1, the circular rod 31 moves out of the connecting rod 14 by the elastic force of the spring b 33, so as to ensure the cleaning effect of the cleaning brush 32 when the circular tube 11 approaches the photovoltaic panel body 1 next time.

[0071] Further, referring to Figures 3 to 5 , the limiting member 40 comprises a clamping rod 41 and a tension spring 42. The clamping rod 41 is slidably connected inside the cleaning robot 2 and close to the circular tube 11, the tension spring 42 is arranged inside the cleaning robot 2 and away from the circular tube 11, one end of the tension spring 42 is fixedly connected with the cleaning robot 2, the other end of the tension spring 42 is fixedly connected with the clamping rod 41, and the clamping rod 41 is clamped with the circular tube 11.

[0072] It should be noted that when the piston 15 and the clamping rod 41 are in the same horizontal plane, the surface of the circular tube 11 is provided with a groove in the horizontal plane, which facilitates the clamping rod 41 to move into the groove on the surface of the circular tube 11, clamp the circular tube 11, limit the position of the circular tube 11, and ensure the stability of the position of the circular tube 11.

[0073] It is worth mentioning that the inside of the piston 15 is provided with an iron ring, which facilitates the movement of the clamping rod 41 close to the circular tube 11 when the piston 15 and the clamping rod 41 are in the same horizontal plane, so that the clamping rod 41 and the circular tube 11 are clamped,

[0074] As mentioned above, when the piston 15 moves upward in the circular tube 11, the piston 15 gradually approaches the horizontal plane where the clamping rod 41 is located. When the piston 15 and the connecting rod 14 are in the same horizontal plane, the clamping rod 41 will be attracted to the iron ring inside the piston 15, and the position of the piston 15 will not move horizontally, which will make the connecting rod 14 close to the piston 15, and then make the clamping rod 41 move into the groove, clamp and limit the circular tube 11, avoid the position of the circular tube 11 changes, and at the same time the clamping rod 41 moves to pull the spring 42, when the piston 15 moves downward in the circular tube 11, gradually away from the clamping rod 41, through the pulling force of the spring 42, the clamping rod 41 moves out of the groove on the surface of the circular tube 11, so that the clamping rod 41 cancels the clamping and fixing with the circular tube 11.

[0075] Secondly, please refer to Figure 6 and Figure 7 The sealing drive part 50 includes an electromagnetic strip a 51, an electromagnetic strip b 52, a limiting rod 53 and a spring c 54. The electromagnetic strip a 51 is fixed outside the sealing frame 4, the electromagnetic strip b 52 is fixed inside the cleaning robot 2 and located below the electromagnetic strip a 51, the limiting rod 53 is fixed at the upper end of the sealing frame 4 and is in sliding connection with the cleaning robot 2, and the spring c 54 is arranged outside the limiting rod 53 and inside the cleaning robot 2.

[0076] The above, when the sealing frame 4 is in contact with the photovoltaic panel body 1 and forms a closed cavity, the electromagnetic strip a51 and the electromagnetic strip b52 are powered, so that the electromagnetic strip a51 and the electromagnetic strip b52 are attracted to each other, the sealing frame 4 is in sliding connection with the cleaning robot 2, the electromagnetic strip b52 is fixed inside the cleaning robot 2, so that the electromagnetic strip b52 attracts the electromagnetic strip a51 to move downward, in turn drives the sealing frame 4 to move downward inside the cleaning robot 2 and close to the photovoltaic panel body 1, at the same time, the spring c54 is forced to compress, when the sealing frame 4 is close to the photovoltaic panel body 1, the mutual attraction force between the electromagnetic strip a51 and the electromagnetic strip b52 is used to improve the tightness between the sealing frame 4 and the photovoltaic panel body 1, when the electromagnetic strip a51 and the electromagnetic strip b52 are powered off, the elastic force of the spring c54 makes the sealing frame 4 move into the inside of the cleaning robot 2 and restore the original position.

[0077] Further, please refer to Figure 3 、 Figure 8 、 Figure 9 and Figure 10 , the displacement piece 60 includes a spur gear 61, a rack a62 and a rack b63, the spur gear 61 is rotationally connected to one end of the walking device 3 close to the cleaning robot 2, the rack a62 is fixed to the upper end of the sealing frame 4 and is in meshing connection with the rack a62, the rack a62 is in sliding connection with the cleaning robot 2, the rack b63 is in meshing connection on the side of the spur gear 61 away from the rack a62, and the rack b63 is fixedly connected with the cleaning robot 2.

[0078] It should be noted that the sliding piece 70 is installed between the walking device 3 and the cleaning robot 2, the sliding piece 70 includes a sliding block 71 and a compression spring 72, the sliding block 71 is fixed to one end of the cleaning robot 2 and is in sliding connection with the walking device 3, and the compression spring 72 is fixed to the upper end of the sliding block 71 to ensure that when the cleaning robot 2 and the sealing frame 4 are away from each other, the walking device 3 is in sliding connection with the cleaning robot 2, and at the same time, when the cleaning robot 2 is away from the photovoltaic panel body 1, the sliding block 71 is driven to move upward inside the walking device 3, while the walking device 3 is always in contact with the photovoltaic panel body 1, ensuring that the walking device 3 drives the cleaning robot 2 to move on the photovoltaic panel body 1, and at the same time, the compression spring 72 is compressed when the sliding block 71 moves, when the sealing drive part 50 cancels the movement of the sealing frame 4, the cleaning robot 2 is restored to the original position on the walking device 3 by the weight of the cleaning robot 2 and the elastic force of the compression spring 72.

[0079] When the sealing driving part 50 controls the sealing frame 4 to move out of the inside of the cleaning robot 2 and close to the photovoltaic panel body 1, the rack a62 will be driven to move downwards in the inside of the cleaning robot 2, and the spur gear 61 will be driven to rotate, and the traveling device 3 will not move up and down while traveling on the photovoltaic panel body 1, and the rack b63 will be driven to move upwards through the rotation of the spur gear 61, so that the cleaning robot 2 moves upwards in the inside of the traveling device 3, to avoid the influence of the cleaning robot 2 on the scraping part 80 when the scraping part 80 operates.

[0080] In addition, referring to Figure 11 and Figure 12 together, the scraping part 80 comprises a screw rod 81, a driving source 82, a supporting rod 83, a steel wire rope 84 and a scraping strip 85, the screw rod 81 is rotationally connected in the inside of the sealing frame 4, the driving source 82 is fixed on the sealing frame 4, and the output end of the driving source 82 is fixedly connected with the screw rod 81, the supporting rod 83 is threadedly connected on the outside of the screw rod 81, the steel wire rope 84 is fixed on the lower end of the supporting rod 83, and the scraping strip 85 is fixed on the lower end of the steel wire rope 84.

[0081] It should be noted that the driving source 82 is a motor, the motor is fixed on the sealing frame 4, and the output end of the motor is fixedly connected with the screw rod 81, and the motor drives the screw rod 81 to rotate when operating, so that the supporting rod 83 moves on the screw rod 81, of course, in other embodiments, the driving source 82 can also be a pneumatic or various forms of cylinder or rotary power device.

[0082] After the cavity formed between the sealing frame 4 and the photovoltaic panel body 1 is added with the coating solution and the coating solution in the cavity is discharged, the driving source 82 is started to drive the screw rod 81 to rotate, so that the supporting rod 83 moves on the screw rod 81, and then the steel wire rope 84 moves, because the bottom of the scraping strip 85 also contacts the photovoltaic panel body 1 when the sealing frame 4 contacts the photovoltaic panel body 1, the scraping strip 85 moves when the steel wire rope 84 moves, and the steel wire rope 84 is flexible and not rigid, so that the steel wire rope 84 deforms, so that the fixing of the scraping strip 85 by the steel wire rope 84 is not fixed, and the scraping strip 85 rotates around the steel wire rope 84 as the shaft, and the scraping strip 85 is pushed to deform close to the supporting rod 83, compared with the rigid body, the activity range of the scraping strip 85 is improved, so that the scraping strip 85 only moves the relatively more or thicker coating solution on the surface of the photovoltaic panel body 1, so that the coating solution uniformly covers the surface of the photovoltaic panel body 1, to ensure the light transmittance and reduce the attenuation of the power generation.

[0083] Implementation list two

[0084] The application also discloses a cleaning method for photovoltaic module glass based on delaying power generation attenuation, and specifically comprises the following steps.

[0085] Step 1: Place the cleaning robot 2 on the photovoltaic panel body 1, and make the walking device 3 contact the photovoltaic panel body 1, control the walking device 3 to run, drive the cleaning robot 2 to move on the photovoltaic panel body 1 and clean;

[0086] Step 2: Control the sealing driving part 50, so that the sealing frame 4 is moved out from the inside of the cleaning robot 2 and contacts the photovoltaic panel body 1, forms a closed cavity between the sealing frame 4 and the photovoltaic panel body 1, and drives the cleaning robot 2 to move away from the photovoltaic panel body 1 through the displacement part 60;

[0087] Step 3: Control the fixing part 10 to run, so that the fixing part 10 is fixed on the surface of the photovoltaic panel body 1, and then fix the position of the cleaning robot 2;

[0088] Step 4: Fill the cavity between the sealing frame 4 and the photovoltaic panel body 1 with cleaning liquid circulation or soaking, and discharge the cleaning liquid after 5 to 20 minutes of circulation or soaking;

[0089] Step 5: Fill the cavity between the sealing frame 4 and the photovoltaic panel body 1 with clean water circulation flushing, and discharge the clean water;

[0090] Step 6: Fill the cavity between the sealing frame 4 and the photovoltaic panel body 1 with hot air, so that the surface of the photovoltaic panel body 1 in the cavity is dried;

[0091] Step 7: Fill the cavity between the sealing frame 4 and the photovoltaic panel body 1 with normal-temperature coating liquid, and then discharge the coating liquid after filling;

[0092] Step 8: Control the scraping part 80 to run, scrape the coating liquid attached to the surface of the photovoltaic panel body 1, so that the coating liquid is uniformly covered on the surface of the photovoltaic panel body 1.

[0093] The working principle of the present application is that when the surface of the photovoltaic panel body 1 is cleaned, the walking device 3 is controlled to operate, driving the cleaning robot 2 to move on the photovoltaic panel body 1 for cleaning, the sealing drive part 50 is controlled to make the sealing frame 4 move out from the inside of the cleaning robot 2 and contact with the photovoltaic panel body 1, at the same time, the displacement part 60 drives the cleaning robot 2 to move away from the photovoltaic panel body 1, the fixed part 10 is controlled to operate, making the fixed part 10 fixed on the surface of the photovoltaic panel body 1, and then the position of the cleaning robot 2 is fixed, the coating solution is poured into the inside of the sealing frame 4, the scraping part 80 is controlled to operate, making the coating solution evenly cover on the surface of the photovoltaic panel body 1, after cleaning the photovoltaic panel body 1, the surface of the photovoltaic panel body 1 can be coated, the light transmittance is improved, and the physical damage of the film surface caused by frequent brushing of the photovoltaic panel body 1 itself can be avoided, and the power generation efficiency of the photovoltaic panel body 1 is improved.

[0094] The above description is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be considered as the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art, without special description and limitation.

Claims

1. A photovoltaic module glass cleaning device based on delaying power generation attenuation, characterized in that: include: A photovoltaic panel body (1), a cleaning robot (2) is provided on the surface of the photovoltaic panel body (1), walking devices (3) are installed at both ends of the cleaning robot (2), the walking devices (3) are in contact with the photovoltaic panel body (1), and a sealing frame (4) is installed at the lower end of the interior of the cleaning robot (2); a fixing portion (10), the fixing portion (10) being installed inside the cleaning robot (2), the fixing portion (10) being used to define the position of the cleaning robot (2); A sealing drive unit (50), the sealing drive unit (50) being mounted on the sealing frame (4) and located inside the cleaning robot (2), the sealing drive unit (50) being used to form a closed cavity between the sealing frame (4) and the photovoltaic panel body (1); a displacement member (60), the displacement member (60) being mounted on an end portion of the cleaning robot (2) and connected to the walking device (3) and the sealing frame (4), the displacement member (60) being used to drive the cleaning robot (2) and the sealing frame (4) away from each other; A scraping portion (80) is installed inside the sealing frame (4), and the scraping portion (80) is used to scrape liquid on the photovoltaic panel body (1); wherein, when cleaning the surface of the photovoltaic panel body (1), the running device (3) is controlled to drive the cleaning robot (2) to move and clean on the photovoltaic panel body (1), the sealing drive portion (50) is controlled to move the sealing frame (4) out of the inside of the cleaning robot (2) and contact the photovoltaic panel body (1), and the displacement member (60) is used to drive the cleaning robot (2) away from the photovoltaic panel body (1), and the fixing portion (10) is controlled to be fixed on the surface of the photovoltaic panel body (1), thereby fixing the position of the cleaning robot (2), and the coating liquid is poured into the inside of the sealing frame (4). By controlling the running of the scraping portion (80), the coating liquid is evenly covered on the surface of the photovoltaic panel body (1), and the fixing portion (10) is controlled to be fixed on the surface of the photovoltaic panel body (1). ) comprises a circular tube (11), a suction cup (12), an electric push rod (13), a connecting rod (14), a piston (15), an extension member (20), a cleaning member (30) and a limiting member (40), wherein the circular tube (11) is slidably connected to the interior of the cleaning robot (2), the suction cup (12) is fixed to the lower end of the circular tube (11), the electric push rod (13) is fixed to the upper end of the circular tube (11), the piston (15) is slidably connected to the interior of the circular tube (11), and the connecting rod (14) is fixed to the upper end of the circular tube (11). The piston (15) is inside the connecting rod (14), the connecting rod (14) is fixedly connected to the output end of the electric push rod (13), the electric push rod (13) is slidably connected to the cleaning robot (2), the extending member (20) is fixed inside the cleaning robot (2) and is located above the electric push rod (13), the cleaning member (30) is installed inside the lower end of the connecting rod (14), the limiting member (40) is installed inside the cleaning robot (2), and the limiting member (40) is clamped to the round tube (11).

2. The photovoltaic module glass cleaning device based on delaying power generation attenuation according to claim 1 is characterized in that: The protruding member (20) comprises an electromagnetic rod (21) and a spring a (22); the electromagnetic rod (21) is fixed inside the cleaning robot (2) and located above the electric push rod (13); and the spring a (22) is fixed inside the cleaning robot (2) and located outside the electromagnetic rod (21).

3. The photovoltaic module glass cleaning device based on delaying power generation attenuation according to claim 1 is characterized in that: The cleaning member (30) comprises a round rod (31), a cleaning brush (32) and a spring b (33). The round rod (31) is arranged at the lower end inside the connecting rod (14). A spiral groove is provided on the surface of the round rod (31). The connecting rod (14) and the round rod (31) are movably connected via the spiral groove. The cleaning brush (32) is fixed to the lower end of the round rod (31). The spring b (33) is arranged inside the connecting rod (14) and located at the upper end of the round rod (31).

4. The photovoltaic module glass cleaning device based on delaying power generation attenuation according to claim 1 is characterized in that: The limiting member (40) includes a clamping rod (41) and a tension spring (42), wherein the clamping rod (41) is slidably connected to the interior of the cleaning robot (2) and close to the circular tube (11), and the tension spring (42) is arranged inside the cleaning robot (2) and away from the circular tube (11), one end of the tension spring (42) is fixedly connected to the cleaning robot (2), and the other end of the tension spring (42) is fixedly connected to the clamping rod (41), and the clamping rod (41) is clamped to the circular tube (11).

5. The photovoltaic module glass cleaning device based on delaying power generation attenuation according to claim 1 is characterized in that: The sealing drive unit (50) includes an electromagnetic strip a (51), an electromagnetic strip b (52), a limiting rod (53) and a spring c (54), wherein the electromagnetic strip a (51) is fixed to the outside of the sealing frame (4), the electromagnetic strip b (52) is fixed to the inside of the cleaning robot (2) and is located below the electromagnetic strip a (51), the limiting rod (53) is fixed to the upper end of the sealing frame (4) and is slidably connected to the cleaning robot (2), and the spring c (54) is arranged on the outside of the limiting rod (53) and is located inside the cleaning robot (2).

6. The photovoltaic module glass cleaning device based on delaying power generation attenuation according to claim 1 is characterized in that: The displacement member (60) includes a spur gear (61), a rack a (62) and a rack b (63); the spur gear (61) is rotatably connected to one end of the walking device (3) close to the cleaning robot (2); the rack a (62) is fixed to the upper end of the sealing frame (4) and meshed with the rack a (62); the rack a (62) is slidably connected to the cleaning robot (2); the rack b (63) is meshed with the side of the spur gear (61) away from the rack a (62); and the rack b (63) is fixedly connected to the cleaning robot (2).

7. The photovoltaic module glass cleaning device based on delaying power generation attenuation according to claim 6 is characterized in that: A sliding member (70) is installed between the walking device (3) and the cleaning robot (2), and the sliding member (70) includes a slider (71) and a compression spring (72). The slider (71) is fixed to one end of the cleaning robot (2), and the slider (71) is slidably connected to the walking device (3). The compression spring (72) is fixed to the upper end of the slider (71).

8. The photovoltaic module glass cleaning device based on delaying power generation attenuation according to claim 1 is characterized in that: The scraping portion (80) includes a screw (81), a driving source (82), a support rod (83), a steel wire rope (84) and a scraping strip (85), wherein the screw (81) is rotatably connected to the inside of the sealing frame (4), the driving source (82) is fixed on the sealing frame (4), and the output end of the driving source (82) is fixedly connected to the screw (81), the support rod (83) is threadedly connected to the outside of the screw (81), the steel wire rope (84) is fixed to the lower end of the support rod (83), and the scraping strip (85) is fixed to the lower end of the steel wire rope (84).

9. A method for cleaning photovoltaic module glass based on delaying power generation attenuation, used in the photovoltaic module glass cleaning device based on delaying power generation attenuation according to any one of claims 1 to 8, characterized in that: The following steps are involved: The first step is to place the cleaning robot (2) on the photovoltaic panel body (1), and to make the walking device (3) contact the photovoltaic panel body (1), and to control the walking device (3) to operate, thereby driving the cleaning robot (2) to move on the photovoltaic panel body (1) and clean; Step 2: Control the sealing drive unit (50) so that the sealing frame (4) moves out from the interior of the cleaning robot (2) and contacts the photovoltaic panel body (1), so that a closed cavity is formed between the sealing frame (4) and the photovoltaic panel body (1), and at the same time, the cleaning robot (2) is driven away from the photovoltaic panel body (1) by the displacement member (60); Step 3: Controlling the fixing portion (10) to operate so that the fixing portion (10) is fixed to the surface of the photovoltaic panel body (1), thereby fixing the position of the cleaning robot (2); Step 4: Fill the cavity between the sealing frame (4) and the photovoltaic panel body (1) with cleaning liquid for circulation or soaking, and then release the cleaning liquid after circulating or soaking for 5 to 20 minutes; Step 5: Fill the cavity between the sealing frame (4) and the photovoltaic panel body (1) with clean water for cyclic flushing, and then drain the clean water; Step 6: Fill the cavity between the sealing frame (4) and the photovoltaic panel body (1) with hot air to dry the surface of the photovoltaic panel body (1) inside the cavity; Step 7: Fill the cavity between the sealing frame (4) and the photovoltaic panel body (1) with the normal temperature coating liquid, and then discharge it after it is full; Step 8: Control the scraping unit (80) to operate, scraping the coating liquid attached to the surface of the photovoltaic panel body (1) so that the coating liquid evenly covers the surface of the photovoltaic panel body (1).

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