Solar panel cleaning system with built-in ultrasonic cleaning mechanism

Abstract

This application relates to the field of solar panel technology, and in particular to a solar panel cleaning system with a built-in ultrasonic cleaning mechanism. The system includes a drone equipped with at least four landing feet, a water tank mounted on the drone, and an ultrasonic cleaning system. The ultrasonic cleaning system includes an electric slide table, which comprises a linear guide rail and a slider unit that slides along the linear guide rail. A squeegee is connected below the slider unit, and the squeegee is connected to the slider unit via an elastic telescopic mechanism. The squeegee has a long groove. A water pipe connecting the squeegee to the water tank and the long groove is connected to the squeegee, and the water pipe is equipped with an electric switch valve to control the water pipe connection. The lower opening of the long groove fits into the solar panel to form a water storage structure. The ultrasonic cleaning system also includes ultrasonic generators, with the sound-emitting part of the ultrasonic generator located in the long groove. At least four ultrasonic generators are arranged along the length of the squeegee. This system can improve the cleaning efficiency and speed of sticky and stubborn dirt on solar panels.

Description

Technical Field

[0001] This application relates to the field of solar panel technology, and in particular to a solar panel cleaning system. Background Technology

[0002] Photovoltaic power generation is a technology that directly converts light energy into electrical energy using the photovoltaic effect at the semiconductor interface. Since solar panels are exposed to the elements for extended periods, dust easily accumulates on their surfaces. This dust not only reduces the amount of light radiation received by the photovoltaic modules, affecting system efficiency and power generation, but also causes hot spot effects, resulting in further power loss and impacting the lifespan of the photovoltaic modules. Therefore, it is necessary to clean the surface of the solar panels.

[0003] Using drones for cleaning can conveniently spray water to clean solar panels, but drones generally operate in the air, and the cleaning relies on the impact force of fluid, which is not very effective against sticky and stubborn dirt (such as bird droppings and sludge). Utility Model Content

[0004] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of this section, the abstract and the title of this utility model. Such simplifications or omissions shall not be used to limit the scope of this utility model.

[0005] In view of the problems existing in the prior art, the present invention is proposed.

[0006] A solar panel cleaning system with a built-in ultrasonic cleaning mechanism includes a drone equipped with at least four landing feet and a spray system including a water tank mounted on the drone.

[0007] It also includes ultrasonic cleaning systems;

[0008] The ultrasonic cleaning system includes an electric slide table, which includes a linear guide rail and a slider unit that slides along the linear guide rail. The linear guide rail is located below the drone.

[0009] A wiper blade is connected below the slider unit, and the wiper blade and the slider unit are connected by an elastic telescopic mechanism.

[0010] The wiper blade's movement trajectory and the linear guide rail pass through the middle of the four landing feet;

[0011] The wiper blade is provided with a long, downward-facing groove structure, referred to as a long groove.

[0012] The wiper blade is connected to a water pipe that connects to a water tank and a long trough. The water pipe is equipped with an electric switch valve to control the connection of the water pipe.

[0013] The lower opening of the elongated trough is attached to the solar panel to form a water storage structure;

[0014] The ultrasonic cleaning system also includes an ultrasonic generator, which is installed above the scraper blade. The sound-emitting part of the ultrasonic generator is located in a long groove, and the ultrasonic wave emitted by the sound-emitting part faces downward.

[0015] At least four ultrasonic generators are arranged along the length of the wiper blade.

[0016] In the above design, after the drone lands on the solar panel using its landing feet, an electric slide drives a scraper to slide back and forth along the surface of the solar panel. This assists the spray system in cleaning stubborn, sticky dirt (such as bird droppings and sludge) from the solar panel surface, resulting in better cleaning. An ultrasonic generator is installed above the scraper, with its sound-emitting part located in a long groove. When the groove is filled with water through a pipe, the cavitation process generated by the high-frequency vibration of the ultrasonic waves improves the cleaning efficiency and speed of stubborn, sticky dirt on the solar panel.

[0017] Preferably, the elongated trough is provided with a sealing ring made of nitrile rubber. This improves the leak-proof effect of the water storage structure formed by the elongated trough and the solar panel, ensuring that the elongated trough stores enough water to ensure the stable operation of the ultrasonic generator.

[0018] Preferably, the sealing ring is a hollow, inflatable sealing ring. The hollow cavity can serve as a buffer chamber to maintain a stable water level in the elongated trough.

[0019] Preferably, the elastic telescopic mechanism is equipped with a clamp for holding the wiper blade, the clamp comprising two metal plates for holding the wiper blade; the wiper blade extends 0.5-1cm from both sides of the long side of the two metal plates; the two metal plates are 1-2cm away from the bottom of the wiper blade. The two metal plates ensure the stability of the wiper blade during wiping, prevent the wiper blade from deforming and falling off, and the wiper blade extending from both ends of the metal plates prevents the metal plates from directly hitting the solar panel.

[0020] Preferably, at least one of the two metal plates on the clamp is provided with a mounting platform, the mounting platform being parallel to and higher than the wiper blade; at least four mounting platforms are provided, and each mounting platform is provided with an ultrasonic generator. The mounting platform with the ultrasonic generator ensures the stable operation of the ultrasonic generator.

[0021] Preferably, the wiper blade is made of polyethylene. Polyethylene generally has good abrasion resistance, making it suitable for wiping needs that come into contact with the surface of glass / coated solar panels.

[0022] Preferably, the landing foot is equipped with an electric vacuum suction cup that adheres to the solar panel; the landing foot includes a horizontally arranged connecting rod that connects the drone fuselage and the electric vacuum suction cup; the connecting rod is an electric telescopic rod. The vacuum suction cup enables the drone to fix and position itself on the solar panel, ensuring a stable cleaning process. By incorporating the electric telescopic rod, the drone can clean various areas of the solar panel without needing to retake off and readjust its position, thus saving energy.

[0023] Preferably, the landing support also includes a servo motor for selecting the drive linkage. The servo motor is fixedly mounted on the bottom of the drone, and its drive shaft is fixedly connected to the electric telescopic mast. The electric telescopic mast can be individually adjusted in reverse via the servo motor, allowing for more flexible adjustment of the drone's position on the solar panel.

[0024] Preferably, the length of the wiper blade is 20-30cm, and the width of the wiper blade is 1.5-2.2cm; the width of the long groove is 0.5-1cm, and the length of the long groove is 1-2cm shorter than the length of the wiper blade.

[0025] Preferably, two wipers are provided, one at each end of the slider unit along the linear guide rail. The wipers on both sides of the slider unit should ensure that the cleaning area covers the solar panel within the stroke of the slider unit, avoiding blind spots. Attached Figure Description

[0026] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein:

[0027] Figure 1 A schematic diagram of the structure of a drone with a built-in ultrasonic cleaning mechanism for cleaning solar panels provided by this utility model.

[0028] Figure 2 A schematic diagram of the bottom structure of a drone with a built-in ultrasonic cleaning mechanism for a solar panel cleaning system provided by this utility model.

[0029] Figure 3 A schematic diagram of the ultrasonic cleaning system structure of the solar panel cleaning system with a built-in ultrasonic cleaning mechanism provided by this utility model.

[0030] In the diagram, 1 is the drone; 11 is the landing support; 12 is the electric vacuum suction cup; 2 is the electric slide; 21 is the linear guide rail; 22 is the slider unit; 3 is the wiper blade; 31 is the long groove; 4 is the ultrasonic generator; 5 is the metal plate; and 6 is the water pipe. Detailed Implementation

[0031] To make the above-mentioned objectives, features and advantages of this utility model more readily understood, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0032] Many specific details are set forth in the following description in order to provide 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 can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0033] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0034] Furthermore, the term "an embodiment" or "embodiment" as used 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 an embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single embodiment or an embodiment selectively excluded from other embodiments.

[0035] Example 1

[0036] Reference Figures 1-3 This embodiment provides a solar panel cleaning system with a built-in ultrasonic cleaning mechanism, including a drone 1. The drone 1 is equipped with at least four landing feet 11 and a spray system, which includes a water tank installed in the drone 1.

[0037] It also includes ultrasonic cleaning systems;

[0038] The ultrasonic cleaning system includes an electric slide table 2, which includes a linear guide rail 21 and a slider unit 22 that slides along the linear guide rail 21. The linear guide rail 21 is located below the drone 1.

[0039] A wiper blade 3 is connected below the slider unit 22, and the wiper blade 3 and the slider unit 22 are connected by an elastic telescopic mechanism.

[0040] The movement trajectory of the wiper blade 3 and the linear guide rail 21 pass through the middle of the four landing feet 11;

[0041] The wiper blade 3 is provided with a long, downward-facing groove structure, referred to as the long groove 31;

[0042] The wiper blade 3 is connected to a water pipe 6 that connects to the water tank and the long groove 31. The water pipe 6 is equipped with an electric switch valve to control the connection of the water pipe 6.

[0043] The lower opening of the elongated groove 31 is attached to the solar panel to form a water storage structure;

[0044] The ultrasonic cleaning system also includes an ultrasonic generator 4, which is installed above the scraper 3. The sound-emitting part of the ultrasonic generator 4 is located in the elongated groove 31, and the ultrasonic emission direction of the sound-emitting part is downward.

[0045] At least four ultrasonic generators 4 are arranged along the length of the wiper blade 3.

[0046] In the above design, after the drone 1 lands on the solar panel via the landing feet 11, the electric slide 2 drives the wiper 3 to slide back and forth along the surface of the solar panel, which can assist the spray system in cleaning the sticky and stubborn dirt (such as bird droppings and sludge) on the surface of the solar panel, resulting in better cleaning effect. An ultrasonic generator 4 is installed above the wiper 3. The sound-emitting part of the ultrasonic generator 4 is set in the elongated groove 31. When the elongated groove 31 is filled with water through the water pipe 6, the cavitation process generated by the ultrasonic waves under high-frequency vibration can improve the cleaning efficiency and speed of sticky and stubborn dirt on the solar panel.

[0047] The elongated trough 31 is equipped with a sealing ring made of nitrile rubber along its edge. This improves the leak-proof effect of the water storage structure formed by the elongated trough 31 and the solar panel, ensuring that the elongated trough 31 can hold enough water to ensure the stable operation of the ultrasonic generator 4.

[0048] The sealing ring is a hollow, inflatable sealing ring. The hollow cavity can serve as a buffer chamber to maintain the stability of the water level in the elongated groove 31.

[0049] The elastic telescopic mechanism is equipped with a clamp for holding the wiper blade 3. The clamp includes two metal plates 5 that hold the wiper blade 3. The wiper blade 3 extends 0.5-1cm from both sides of the long side of the two metal plates 5. There is a distance of 1-2cm between the two metal plates 5 and the bottom of the wiper blade 3. The two metal plates 5 ensure the stability of the wiper blade 3 when wiping water and prevent the wiper blade 3 from deforming and falling off. The wiper blade 3 extends from both ends of the metal plates 5 to prevent the metal plates 5 from directly hitting the solar panel.

[0050] At least one of the two metal plates 5 on the clamp is provided with a mounting platform, which is arranged parallel to and higher than the wiper blade 3; there are at least four mounting platforms, and each mounting platform is provided with an ultrasonic generator 4. The mounting platform is equipped with an ultrasonic generator 4 to ensure the stable operation of the ultrasonic generator 4.

[0051] The wiper blade 3 is made of polyethylene. Polyethylene material generally has good wear resistance, making it suitable for wiping needs that come into contact with the surface of glass / coated solar panels.

[0052] The wiper blade 3 has a length of 20-30cm and a width of 1.5-2.2cm; the long groove 31 has a width of 0.5-1cm and a length that is 1-2cm shorter than the length of the wiper blade 3.

[0053] In use, the drone 1 lands on the solar panel, activates the electric slide 2, and the slider unit 22 drives the squeegee 3 to slide along the linear guide rail 21 to clean and sweep the solar panel. This can remove some sticky and stubborn dirt. The squeegees 3 on both sides of the slider unit 22 should ensure that the cleaning area covers the solar panel within the stroke of the slider unit 22 to avoid blind spots and improve the cleaning efficiency of the cleaning system. During the back-and-forth sweeping process of the squeegee 3, water is filled into the long groove 31 through the water pipe 6. The ultrasonic generator 4 emits ultrasonic waves, and the cavitation process generated by the high-frequency vibration can improve the cleaning efficiency and speed of sticky and stubborn dirt on the solar panel.

[0054] Example 2

[0055] Reference Figure 2 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0056] An electric vacuum suction cup 12 is installed under the landing foot 11 to adhere to the solar panel. The landing foot 11 includes a horizontally arranged connecting rod, which connects the drone 1 fuselage and the electric vacuum suction cup 12. The connecting rod is an electric telescopic rod. The vacuum suction cup enables the drone 1 to fix and position itself on the solar panel, ensuring a stable cleaning process. By incorporating the electric telescopic rod, the drone 1 can clean various areas of the solar panel without needing to take off again to adjust its position, thus saving energy.

[0057] The landing support 11 also includes a servo motor for selecting the drive linkage. The servo motor is fixedly mounted on the bottom of the drone 1, and its drive shaft is fixedly connected to the electric telescopic mast. The electric telescopic mast can be individually adjusted in reverse via the servo motor, allowing for more flexible adjustment of the drone 1's position on the solar panel.

[0058] Preferably, two wiper blades 3 are provided, with the two wiper blades 3 respectively located at both ends of the slider unit 22 along the linear guide rail 21. The wiper blades 3 on both sides of the slider unit 22 should ensure that the cleaning area covers the solar panel within the stroke of the slider unit 22, avoiding cleaning blind spots.

[0059] In use, after the drone 1 lands on the solar panel, four motorized vacuum suction cups 12 secure it. If the drone 1 needs to adjust its position on the solar panel, one of the motorized vacuum suction cups 12 can be deactivated. The corresponding motorized telescopic rod of the deactivated suction cup 12 will then rotate or extend via a servo motor. The suction cup 12 can then be reactivated to engage, and the other three suction cups 12 can be deactivated. The motorized telescopic rod of the adjusted suction cup 12 can then extend or rotate via a servo motor to move the drone 1. Cleaning can then proceed. During cleaning, the nozzles can spray water to enhance the cleaning effect on stubborn dirt on the solar panel surface. The drone 1 can clean various areas of the solar panel without needing to retake off and reposition, saving energy.

[0060] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible without substantially departing from the novelty and advantages of the subject matter described in this application. For example, variations in the size, dimensions, structure, shape, and proportions of various elements, as well as parameter values ​​such as temperature, pressure, etc., installation arrangements, use of materials, color, orientation, etc. For instance, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure performing the function described herein, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments without departing from the scope of this utility model. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0061] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments may be described, i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention.

[0062] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those of ordinary skill in the art who benefit from this disclosure, the development effort will be a routine task in design, manufacturing, and production without requiring extensive experimentation.

[0063] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A solar panel cleaning system with built-in ultrasonic cleaning mechanism comprising of a drone, said drone is provided with at least four landing legs, said drone is provided with a spraying system, said spraying system comprises of a water tank mounted on the drone, characterized in that: It also includes ultrasonic cleaning systems; The ultrasonic cleaning system includes an electric slide table, which includes a linear guide rail and a slider unit that slides along the linear guide rail. The linear guide rail is located below the drone. A wiper blade is connected below the slider unit, and the wiper blade and the slider unit are connected by an elastic telescopic mechanism. The wiper blade's movement trajectory and the linear guide rail pass through the middle of the four landing feet; The wiper blade is provided with a long, downward-facing groove structure, referred to as a long groove. The wiper blade is connected to a water pipe that connects to a water tank and a long trough. The water pipe is equipped with an electric switch valve to control the connection of the water pipe. The lower opening of the elongated trough is attached to the solar panel to form a water storage structure; The ultrasonic cleaning system also includes an ultrasonic generator, which is installed above the scraper blade. The sound-emitting part of the ultrasonic generator is located in a long groove, and the ultrasonic wave emitted by the sound-emitting part faces downward. At least four ultrasonic generators are arranged along the length of the wiper blade.

2. The solar panel cleaning system with a built-in ultrasonic cleaning mechanism according to claim 1, characterized in that: The edge of the long groove is provided with a sealing ring made of nitrile rubber.

3. The solar panel cleaning system with a built-in ultrasonic cleaning mechanism according to claim 2, characterized in that: The sealing ring is a hollow, inflatable sealing ring.

4. The solar panel cleaning system with a built-in ultrasonic cleaning mechanism according to claim 1, characterized in that: The elastic telescopic mechanism is equipped with a clamp for holding the wiper blade, and the clamp includes two metal plates for holding the wiper blade; The wiper blade extends 0.5-1cm beyond both sides of the long side of the two metal plates; The two metal plates are 1-2 cm away from the bottom of the wiper blade.

5. The solar panel cleaning system with a built-in ultrasonic cleaning mechanism according to claim 4, characterized in that: At least one of the two metal plates on the clamp is provided with a mounting platform, and the mounting platform is arranged parallel to and higher than the wiper blade; The mounting platform is provided with at least four, and each mounting platform is equipped with an ultrasonic generator.

6. The solar panel cleaning system with a built-in ultrasonic cleaning mechanism according to claim 1, characterized in that: The wiper blade is made of polyethylene.

7. The solar panel cleaning system with a built-in ultrasonic cleaning mechanism according to claim 1, characterized in that: The landing support feet are equipped with electric vacuum suction cups that can be attached to the solar panels. The landing support includes a horizontally arranged link that connects the drone fuselage and the electric vacuum suction cup. The connecting rod is an electrically operated telescopic rod.

8. The solar panel cleaning system with a built-in ultrasonic cleaning mechanism according to claim 7, characterized in that: The landing support also includes a servo motor for selecting the drive linkage. The servo motor is fixedly mounted on the bottom of the drone, and the drive shaft of the servo motor is fixedly connected to the electric telescopic rod.

9. The solar panel cleaning system with a built-in ultrasonic cleaning mechanism according to claim 1, characterized in that: The length of the wiper blade is 20-30cm, and the width of the wiper blade is 1.5-2.2cm; The width of the long groove is 0.5-1cm, and the length of the long groove is 1-2cm shorter than the length of the wiper blade.

10. The solar panel cleaning system with a built-in ultrasonic cleaning mechanism according to claim 1, characterized in that: The unit has two wiper blades, which are respectively located at both ends of the slider unit along the linear guide rail.

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