Full-automatic photovoltaic module cleaning equipment
The fully automated photovoltaic module cleaning equipment, which uses automated moving components and high-pressure nozzles, solves the problem of relying on manual operation for photovoltaic module cleaning, achieves efficient cleaning, reduces costs and safety hazards, and improves power generation efficiency and water resource utilization.
Patent Information
- Application Number
- CN202421915603.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-08-08
AI Technical Summary
Existing methods for cleaning photovoltaic modules rely on manual operation, which has high manpower requirements and safety hazards, and makes it difficult to efficiently maintain the cleanliness of the photovoltaic module surface, thus affecting power generation efficiency.
Design a fully automatic photovoltaic module cleaning device that uses automated moving components and high-pressure nozzles. The cleaning device moves between photovoltaic modules guided by guide rails. It combines the tilted installation of photovoltaic panels with natural rainwater cleaning, uses high-pressure water flow to remove pollutants, and collects wastewater in a water tank to reduce manual intervention.
It improves cleaning efficiency and frequency, reduces labor costs and safety risks, extends the lifespan of photovoltaic modules, enhances power generation efficiency, saves water resources, and reduces environmental pollution.
Smart Images
Figure CN223625828U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of photovoltaic equipment technology, and in particular to a fully automatic photovoltaic module cleaning device. Background Technology
[0002] With the growing global demand for sustainable energy, photovoltaic (PV) power generation has received widespread attention due to its environmentally friendly and renewable characteristics, leading to the rapid development of the PV industry. As a core component of PV power generation systems, the surface cleanliness of PV modules directly affects power generation efficiency. However, PV modules easily accumulate dust, bird droppings, leaves, and other pollutants in outdoor environments, which significantly reduces light transmittance and consequently affects the photoelectric conversion efficiency of the PV modules. Therefore, maintaining the cleanliness of PV module surfaces is crucial for ensuring the economic benefits of PV power plants. Currently, most cleaning methods involve cleaning personnel using specialized PV cleaning machines to clean each PV panel individually. While this method provides good cleaning results, it requires a large workforce, and prolonged high-altitude work poses certain safety hazards. Utility Model Content
[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a fully automatic photovoltaic module cleaning device, which can achieve automatic cleaning and reduce the cost of manual maintenance.
[0004] A fully automatic photovoltaic module cleaning device according to a first aspect embodiment of the present invention includes:
[0005] A photovoltaic module includes a photovoltaic panel and a support frame, wherein the photovoltaic panel is mounted on the support frame;
[0006] The movable component includes a first guide rail and a second guide rail. The first guide rail is disposed on one side of the photovoltaic module, and the second guide rail is disposed on the other side of the photovoltaic module. The first guide rail and the second guide rail are arranged parallel to each other.
[0007] The cleaning assembly includes a cantilever, high-pressure nozzles, and a water supply pipe. The cantilever is movably mounted between the first guide rail and the second guide rail. Multiple high-pressure nozzles are provided and spaced apart along the extension direction of the cantilever. The water supply pipe, the cantilever, and the high-pressure nozzles are electrically connected. The high-pressure nozzles are oriented towards the photovoltaic panel.
[0008] A fully automatic photovoltaic module cleaning device according to an embodiment of this utility model has at least the following beneficial effects: The device uses an automated moving component, guided by a first and second guide rail to move smoothly between photovoltaic modules, eliminating the need for manual operation and greatly improving cleaning efficiency and frequency while reducing labor costs; multiple high-pressure nozzles can precisely target the photovoltaic panel surface, and the high-pressure water flow can effectively remove dust, dirt, and other deposits from the photovoltaic panel, maintaining its high light transmittance and thus ensuring and improving the power generation efficiency of the photovoltaic module; regular automated cleaning helps prevent the accumulation of excessive pollutants on the photovoltaic panel surface, such as bird droppings, salt, and other corrosive substances, thereby reducing damage to the photovoltaic panel, extending the service life of the photovoltaic module, and reducing maintenance costs; automated cleaning avoids the safety hazards associated with manual cleaning of photovoltaic panels at heights, reducing the risks of working at heights and protecting the personal safety of cleaning personnel; this device is suitable for various photovoltaic module layouts, requiring only the installation of guide rails on both sides of the photovoltaic module to achieve comprehensive cleaning, making it suitable for large-scale photovoltaic power plants and improving the flexibility and adaptability of cleaning work.
[0009] According to some embodiments of this utility model, a booster pump is provided between the water supply pipe and the cantilever. The booster pump allows for better cleaning without increasing the water volume, effectively removing dust and dirt from the photovoltaic panel surface and conserving water resources.
[0010] According to some embodiments of this utility model, the two ends of the bracket are at different heights, and the photovoltaic panel is installed at an angle on the bracket. The angled photovoltaic panel helps rainwater slide off naturally, reducing the accumulation of dust and dirt, especially during the rainy season. This natural cleaning effect can reduce the frequency of manual cleaning and lower maintenance costs.
[0011] According to some embodiments of this utility model, the angle A between the photovoltaic panel and the horizontal plane satisfies 3°≤A≤5°. This allows the photovoltaic panel to be cleaned by utilizing the natural sliding characteristic of rainwater without affecting sunlight reception.
[0012] According to some embodiments of this utility model, the cleaning assembly further includes multiple water collection tanks, which are respectively disposed at the bottom end of the photovoltaic panel. A filter screen is provided at the water inlet end of each water collection tank. The water collection tanks can collect wastewater generated during the cleaning process, avoiding water waste and environmental pollution that may result from direct discharge. The recovered water can be reused for cleaning or other non-potable purposes after appropriate treatment, improving the water resource recycling rate.
[0013] According to some embodiments of this utility model, the cleaning assembly further includes a water collection plate, which is a cavity structure with one open end. The water collection plate is disposed below the bracket, with the opening facing the photovoltaic panel. A filter screen is provided at the water inlet end of the water collection plate. The water collection plate covers multiple photovoltaic panels, enabling the collection of wastewater generated during large-area cleaning operations at once. This avoids the cumbersome process of collecting wastewater from individual photovoltaic panels, significantly improving cleaning efficiency and wastewater recovery speed.
[0014] According to some embodiments of this utility model, the water supply pipe is a flexible hose. Flexible hoses have better impact resistance and deformation recovery ability when subjected to external impact or compression, reducing the risk of pipe rupture or damage due to accidental collisions and improving the reliability and service life of the system.
[0015] According to some embodiments of this utility model, position sensors are respectively provided at the ends of the first guide rail and the second guide rail. The position sensors can accurately detect the position of the cleaning device at the end of the guide rail, ensuring that the cleaning device moves within a preset range, avoiding exceeding the designated cleaning area, and improving the accuracy of the cleaning operation.
[0016] According to some embodiments of this utility model, buffer members are respectively provided at the beginning and end of the first guide rail and the second guide rail. The buffer members can absorb the kinetic energy of the cleaning device when it reaches the beginning and end of the guide rail, effectively reducing mechanical impact, avoiding hard collision between the cleaning device and the end of the guide rail, and protecting the safety of the cleaning device and the photovoltaic module.
[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:
[0019] Figure 1 This is one of the schematic diagrams of a fully automatic photovoltaic module cleaning device according to an embodiment of the present utility model;
[0020] Figure 2 This is the second schematic diagram of a fully automatic photovoltaic module cleaning device according to an embodiment of the present invention.
[0021] Reference numerals: Photovoltaic panel 100; First guide rail 110; Second guide rail 120; Cantilever 130; High-pressure nozzle 140; Pressurization pump 150; Water pipe 160; Support bracket 170. Detailed Implementation
[0022] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0023] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0024] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.
[0025] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.
[0026] Reference Figures 1 to 2 A fully automated photovoltaic module cleaning device, comprising:
[0027] A photovoltaic module, including a photovoltaic panel 100 and a mounting bracket 170, wherein the photovoltaic panel 100 is mounted on the mounting bracket 170;
[0028] The movable component includes a first guide rail 110 and a second guide rail 120. The first guide rail 110 is disposed on one side of the photovoltaic module, and the second guide rail 120 is disposed on the other side of the photovoltaic module. The first guide rail 110 and the second guide rail 120 are arranged parallel to each other.
[0029] The cleaning assembly includes a cantilever 130, a high-pressure nozzle 140, and a water supply pipe 160. The cantilever 130 is movably installed between the first guide rail 110 and the second guide rail 120. Multiple high-pressure nozzles 140 are provided and spaced apart along the extension direction of the cantilever 130. The water supply pipe 160, the cantilever 130, and the high-pressure nozzles 140 are electrically connected. The high-pressure nozzles 140 are positioned facing the photovoltaic panel 100.
[0030] This device employs an automated moving component, guided smoothly by the first guide rail 110 and the second guide rail 120 between photovoltaic modules. No manual operation is required, significantly improving cleaning efficiency and frequency while reducing labor costs. Multiple high-pressure nozzles 140 precisely target the surface of the photovoltaic panel 100, effectively removing dust, dirt, and other deposits, maintaining high light transmittance and thus ensuring and improving the power generation efficiency of the photovoltaic module. Regular automated cleaning helps prevent the accumulation of excessive contaminants, such as bird droppings and corrosive substances like salt, on the surface of the photovoltaic panel 100, reducing damage, extending the lifespan of the photovoltaic module, and lowering maintenance costs. Automated cleaning avoids the safety hazards associated with manual cleaning of the photovoltaic panel 100 from climbing, reducing the risks of working at heights and protecting the personal safety of cleaning personnel. This device is suitable for various photovoltaic module layouts; simply installing guide rails on both sides of the photovoltaic module achieves comprehensive cleaning, making it suitable for large-scale photovoltaic power plants and improving the flexibility and adaptability of cleaning work.
[0031] Understandably, the moving component also includes a drive motor, which is connected to the cantilever 130. The drive motor has forward and reverse rotation functions, allowing the cantilever 130 to move back and forth along the guide rail, thereby covering the entire surface of the photovoltaic module and ensuring thorough cleaning. The drive motor is integrated with the control system, which can adjust its speed and direction according to preset programs or real-time feedback to achieve intelligent control, such as automatically decelerating and turning when reaching the end of the guide rail, reducing impact on mechanical components and extending service life.
[0032] A booster pump 150 is installed between the water supply pipe 160 and the cantilever 130. This allows for better cleaning without increasing the water volume, effectively removing dust and dirt from the surface of the photovoltaic panel 100 and conserving water resources.
[0033] Reference Figure 2 The bracket 170 has two ends at different heights, and the photovoltaic panel 100 is installed at an angle on the bracket 170. The angled photovoltaic panel 100 helps rainwater to slide off naturally, reducing the accumulation of dust and dirt, especially during the rainy season. This natural cleaning effect can reduce the frequency of manual cleaning and lower maintenance costs.
[0034] The angle A between the photovoltaic panel 100 and the horizontal plane satisfies 3° ≤ A ≤ 5°. This allows the photovoltaic panel 100 to be cleaned naturally by rainwater without affecting sunlight reception. The appropriate tilt angle ensures that the photovoltaic panel 100 maximizes solar radiation reception while remaining clean, maintaining the high power generation efficiency of the photovoltaic module. Natural cleaning reduces manual intervention on the surface of the photovoltaic panel 100, simplifies the maintenance process, and lowers maintenance costs.
[0035] The cleaning assembly also includes multiple water collection tanks, each located at the bottom of the photovoltaic panel 100. Each water collection tank has a filter screen at its inlet. These tanks collect wastewater generated during the cleaning process, preventing water waste and environmental pollution that could result from direct discharge. The recycled water can be properly treated and reused for cleaning or other non-potable purposes, thus improving the water resource recycling rate.
[0036] The cleaning assembly also includes a water collection plate, which is a cavity structure with one open end. The water collection plate is located below the bracket 170, with the opening facing the photovoltaic panel 100. A filter screen is installed at the water inlet end of the water collection plate. The water collection plate covers multiple photovoltaic panels 100, enabling the collection of wastewater generated from large-area cleaning operations at once. This avoids the cumbersome process of collecting wastewater from individual photovoltaic panels, significantly improving cleaning efficiency and wastewater recovery speed.
[0037] The 160 water pipe is a flexible hose. Flexible hoses have better impact resistance and deformation recovery ability when subjected to external impact or compression, reducing the risk of pipe rupture or damage caused by accidental collisions, and improving the reliability and service life of the system.
[0038] Position sensors are respectively installed at the ends of the first guide rail 110 and the second guide rail 120. These position sensors accurately detect the position of the cleaning device as it approaches the end of the guide rail, ensuring that the cleaning device moves within a preset range and avoids exceeding the designated cleaning area, thus improving the accuracy of the cleaning operation. When the cleaning device approaches the end of the guide rail, the position sensor is triggered, and through control system commands, the cleaning device begins to decelerate until it comes to a smooth stop, preventing equipment damage caused by high-speed collisions and improving system safety. The position sensor's function is not limited to stopping the cleaning device; it also prevents overtravel due to operational errors or mechanical failures, protecting the photovoltaic modules and the cleaning device itself from damage.
[0039] The first guide rail 110 and the second guide rail 120 are respectively provided with buffers at their beginning and end. The buffers can absorb the kinetic energy of the cleaning device when it reaches the beginning and end of the guide rail, effectively reducing mechanical impact, avoiding hard collision between the cleaning device and the end of the guide rail, and protecting the safety of the cleaning device and the photovoltaic module.
[0040] In this embodiment, the photovoltaic module consists of a photovoltaic panel 100 and a support 170. The photovoltaic panel 100 is mounted on the support 170 with an inclination angle of 3° to 5° to facilitate natural drainage and cleaning.
[0041] The moving component includes two parallel guide rails, namely the first guide rail 110 and the second guide rail 120, which are fixed on both sides of the photovoltaic module array to guide the movement of the cleaning device. Buffers are provided at both ends of the guide rails to reduce the impact during the movement of the cleaning device.
[0042] The cleaning assembly consists of a cantilever 130, multiple high-pressure nozzles 140, a water supply pipe 160, and a booster pump 150. The cantilever 130 can move along a guide rail, and multiple high-pressure nozzles 140 are evenly spaced on it for spraying high-pressure water to clean the photovoltaic panels 100. The water supply pipe 160 is connected to the booster pump 150 to provide high-pressure water flow to the high-pressure nozzles 140.
[0043] The cleaning device is driven by a DC motor and moves back and forth on the guide rail. Simultaneously, a pressure pump 150 operates, increasing the water pressure to a certain level before delivering it to the high-pressure nozzle 140 via a water pipe 160. The high-pressure water jet from the nozzle 140 impacts the surface of the photovoltaic panel 100, effectively removing dust and other contaminants. The movement range of the cleaning device is monitored by position sensors at both ends of the guide rail, ensuring that the device operates within a preset area. After cleaning is complete, the device returns to its initial position, awaiting the next cleaning cycle.
[0044] The 140 high-pressure nozzle ensures thorough cleaning, and the device can be preset with cleaning cycles, eliminating the need for manual operation and saving labor costs. The device is powered by the photovoltaic power station's inverter, reducing dependence on external energy sources. Buffer components and position sensors enhance operational safety and reduce maintenance costs. The automated design minimizes human intervention, reducing maintenance frequency and complexity. This fully automated photovoltaic module cleaning device, through its unique design and efficient operating principle, significantly improves the cleanliness and power generation efficiency of photovoltaic modules while reducing costs and safety hazards during the cleaning process, making it an important tool for photovoltaic power station maintenance.
[0045] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A fully automatic photovoltaic module cleaning device, characterized in that, include: A photovoltaic module includes a photovoltaic panel and a support frame, wherein the photovoltaic panel is mounted on the support frame; The movable component includes a first guide rail and a second guide rail. The first guide rail is disposed on one side of the photovoltaic module, and the second guide rail is disposed on the other side of the photovoltaic module. The first guide rail and the second guide rail are arranged parallel to each other. The cleaning assembly includes a cantilever, high-pressure nozzles, and a water supply pipe. The cantilever is movably mounted between the first guide rail and the second guide rail. Multiple high-pressure nozzles are provided and spaced apart along the extension direction of the cantilever. The water supply pipe, the cantilever, and the high-pressure nozzles are electrically connected. The high-pressure nozzles are oriented towards the photovoltaic panel.
2. The fully automatic photovoltaic module cleaning equipment according to claim 1, characterized in that, A booster pump is installed between the water supply pipe and the cantilever.
3. The fully automatic photovoltaic module cleaning equipment according to claim 1, characterized in that, The two ends of the bracket are at different heights, and the photovoltaic panel is installed at an angle on the bracket.
4. The fully automatic photovoltaic module cleaning equipment according to claim 3, characterized in that, The angle between the photovoltaic panel and the horizontal plane is A, which satisfies 3°≤A≤5°.
5. The fully automatic photovoltaic module cleaning equipment according to claim 1, characterized in that, The cleaning assembly also includes multiple water collection tanks, which are respectively disposed at the bottom end of the photovoltaic panel, and the water inlet end of each water collection tank is provided with a filter screen.
6. The fully automatic photovoltaic module cleaning equipment according to claim 1, characterized in that, The cleaning assembly also includes a water collection plate, which is a cavity structure with one open end. The water collection plate is located below the bracket, with the opening of the water collection plate facing the photovoltaic panel. A filter screen is provided at the water inlet end of the water collection plate.
7. The fully automatic photovoltaic module cleaning equipment according to claim 1, characterized in that, The water supply pipe is a flexible hose.
8. The fully automatic photovoltaic module cleaning equipment according to claim 1, characterized in that, Position sensors are respectively installed at the ends of the first guide rail and the second guide rail.
9. The fully automatic photovoltaic module cleaning equipment according to claim 1, characterized in that, The first guide rail and the second guide rail are respectively provided with buffers at their beginning and end.