Automatic snow sweeper based on photovoltaic power station

Abstract

The utility model discloses an automatic snow sweeper based on a photovoltaic power station, which is characterized in that a frame track is arranged along an elevation angle of a photovoltaic panel, the automatic snow sweeper moves along the frame track, the automatic snow sweeper is driven by a motor and is provided with a frame flush with the photovoltaic panel, and a winch blade and a snow protection cover are arranged on the frame; a driving wheel is arranged at the bottom of the advancing front end of the frame, a follower wheel is mounted at the tail end, a motor is arranged in the center of the tail end of the frame, and the driving wheel and the winch blade are driven through a transmission chain. Through the automatic and precise mechanical design, the snow removal efficiency and uniformity are greatly improved, the maintenance cost is reduced, the photovoltaic panel is fully protected, and finally the purpose of improving the overall power generation efficiency of the photovoltaic power station is achieved.

Description

Technical Field

[0001] This utility model relates to the field of power equipment operation protection technology, specifically to an automatic snow removal vehicle based on a photovoltaic power station. Background Technology

[0002] In northern regions, snowfall is common in winter, but snow covering photovoltaic modules affects the power generation efficiency of power plants, posing a challenge.

[0003] As is well known, snow accumulation on the surface of photovoltaic (PV) modules significantly reduces their light transmittance and photoelectric conversion efficiency. It can take up to seven days for the snow to completely melt, severely impacting the power generation efficiency of PV power plants. In some areas with extremely cold weather, snow on the module surface is difficult to melt, leading to crystallization or ice formation. Traditional snow removal methods, such as manual sweeping, are inefficient and costly, and difficult to implement in large-scale PV power plants. Mechanical vibration snow removal may damage PV modules or support structures. The use of chemical de-icing agents may corrode PV modules and the surrounding environment.

[0004] Therefore, the research and application of automatic snow removal devices for photovoltaic power plants has important practical significance. It can effectively solve the problem of snow accumulation, ensure the stable and efficient operation of the power plant, improve energy utilization efficiency, and meet the market demand for a stable supply of photovoltaic power. Utility Model Content

[0005] Through automated and precise mechanical design, this utility model not only significantly improves snow removal efficiency and uniformity and reduces maintenance costs, but also fully protects the photovoltaic panels, ultimately achieving the goal of improving the overall power generation efficiency of the photovoltaic power station.

[0006] The present invention solves the above-mentioned technical problems through the following technical solution:

[0007] The automatic snowplow based on the photovoltaic power station has a frame track installed at the same angle as the photovoltaic panel. The automatic snowplow moves along the frame track. The automatic snowplow is driven by a motor and has a frame that is flush with the photovoltaic panel. The frame is equipped with winch blades and snow cover. A drive wheel is located at the bottom of the front end of the frame and a follower wheel is installed at the rear end. The motor is located at the center of the rear end of the frame and drives the drive wheel and winch blades through a transmission chain.

[0008] The frame is a frame structure, with a first rotating shaft, a second rotating shaft, a third rotating shaft, and a fourth rotating shaft mounted on bearing bushes. The first rotating shaft is located at the top of the frame, with several winch blades fitted onto it, and first transmission gears at both ends of the shaft. The second rotating shaft is located at the front bottom of the frame, with second transmission gears at both ends of the shaft, and a drive wheel on the outermost side. The third transmission shaft is located at the rear bottom of the frame, with follower wheels on the outermost sides of both ends of the shaft. The fourth rotating shaft is located at the middle of the rear end of the frame, with a fourth transmission gear and a pulley at both ends of the shaft. A motor drives the fourth rotating shaft to rotate via a belt, and the other end of the fourth rotating shaft drives the fourth transmission gear via a transmission chain. The fourth transmission gear is a double-row transmission gear, connected to the first and second transmission gears via double transmission chains.

[0009] The vehicle frame is a frame structure, and several sets of snow removal structures are set inside the frame. Each set of snow removal structures includes at least one first rotating shaft, a snow cover, and winch blades set on the first rotating shaft. A "V"-shaped snow-breaking baffle is provided between adjacent snow removal structures, and the first rotating shafts between adjacent snow removal structures are connected by a coupling. The two ends of the first rotating shaft are installed on the frame by a bearing structure.

[0010] The lowest point of the top of the vehicle frame is 5-8cm away from the surface of the photovoltaic panel, the lowest point of the winch blade is 2-2.5cm above the vehicle frame, and the snow cover is semi-circular with a thickness of 0.5-1cm.

[0011] The drive wheel and the follower wheel are of the same width and are both installed in the frame rail, with the drive wheel having a larger radius than the follower wheel.

[0012] This technical solution mainly utilizes an automatic snowplow that travels along a track aligned with the elevation angle of the photovoltaic panels to efficiently remove snow from their surface, offering the following beneficial effects:

[0013] 1. Improve snow removal efficiency and uniformity. The snowplow travels automatically along the track. Through the coordinated movement of the drive wheel and follower wheel, it achieves continuous and uniform snow removal, avoiding omissions or unevenness that may occur due to manual operation.

[0014] The vehicle frame is equipped with several sets of snow removal structures, each with winch blades and a snow cover, which can break and remove snow in sections and from multiple angles, ensuring that the entire surface of the photovoltaic panel can be cleared of snow in a timely manner.

[0015] 2. Reduced maintenance and operating costs: The all-electric drive and automatic transmission chain system eliminates the need for extensive manual intervention in snow removal, thereby reducing labor costs and human error.

[0016] Timely snow removal prevents the photovoltaic panels from becoming less efficient or damaging due to prolonged snow cover, thus extending the overall lifespan of the photovoltaic power station.

[0017] 3. Protect the surface of the photovoltaic panels; the height setting of the vehicle frame and the winch blades (e.g., the top of the vehicle frame is 5-8cm away from the photovoltaic panels, and the winch blades are 2-2.5cm higher than the vehicle frame) ensures that the surface of the photovoltaic panels will not be directly scraped during snow removal, avoiding damage caused by mechanical collisions.

[0018] “V”-shaped snow-breaking baffle: The baffle design effectively breaks up thick snow or ice and guides it to a safe discharge area, while protecting the edges of the photovoltaic panels and preventing localized stress concentration caused by heavy snow or ice accumulation.

[0019] 4. Adaptability and flexibility; the installation method matches the tilt angle of the photovoltaic panel, ensuring that the snow removal equipment can be closely attached to the photovoltaic panel for snow removal, and can achieve the best performance no matter how the installation angle of the photovoltaic panel changes.

[0020] Modular snow removal structure: The snow removal structures are connected by couplings, which facilitates maintenance and replacement, and allows for flexible adjustment of the snow removal strategy according to the width of the photovoltaic panels. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0022] Figure 1 The diagram shown is an overall structural schematic of one embodiment of an automatic snow removal vehicle for a photovoltaic power station.

[0023] Figure 2 The image shown is a side view of one embodiment of an automatic snow removal vehicle for a photovoltaic power station.

[0024] Figure 3 The image shown is a front view of one embodiment of an automatic snow removal vehicle for a photovoltaic power station.

[0025] Figure 4 The diagram shown is a partial structural schematic of one embodiment of an automatic snow removal vehicle for a photovoltaic power station.

[0026] Figure 5 The diagram shown is a partial rear view of one embodiment of an automatic snow removal vehicle for a photovoltaic power station.

[0027] Figure 6 The diagram shown is an enlarged structural schematic of one embodiment of an automatic snow removal vehicle for a photovoltaic power station. Detailed Implementation

[0028] The present invention will be described more clearly and completely below with reference to the accompanying drawings, using a preferred embodiment.

[0029] Example 1

[0030] A medium-sized photovoltaic power station located between 35° and 40° north latitude has fixed photovoltaic panels installed at an elevation angle of approximately 30°. To ensure that snow removal equipment can work accurately along the slope of the photovoltaic panels, a chassis track 1 with the same elevation angle as the panel surface is pre-installed on the photovoltaic panels.

[0031] The automatic snowplow employs a robust frame structure, with four rotating shafts mounted inside the frame 2 via carefully arranged bearing bushes. A first rotating shaft 3 is mounted on the top of the frame 2, with a first transmission gear 4 at each end of the shaft. Multiple winch blades 5 are fitted onto the shaft, and the arrangement of these blades is adapted to the arrangement of the photovoltaic panels, aiming to evenly roll up the snow through rotational motion.

[0032] The bottom front end of the frame 2 is equipped with a second rotating shaft 6, with second transmission gears 7 at both ends, and a large-diameter drive wheel 8 is fixed on the outermost side. The drive wheel 8 ensures sufficient grip under low temperature and snow conditions.

[0033] A third rotating shaft 9 is arranged at the rear end of the bottom of the frame 2, and follower wheels 10 are installed on both sides of the shaft, so that the snowplow can always maintain good balance and stability during operation.

[0034] To achieve coordinated driving, a motor 11 is installed at the center of the rear end of the frame 2. The motor 11 drives the fourth rotating shaft 13 located at the center of the rear end of the frame 2 via a belt 12. One end of this shaft is equipped with a pulley, and the other end is equipped with a fourth transmission gear 14. This transmission gear is a double-row transmission gear, which is connected to the first and second transmission gears respectively via double transmission chains, thereby realizing the linkage between the drive wheel and the winch blade.

[0035] In addition, the vehicle frame 2 is equipped with multiple snow removal structural units. Each unit consists of a first rotating shaft 3 located at the top of the frame, a snow cover 15, and a winch blade 5. Adjacent units are connected by "V"-shaped snow-breaking baffles 16, and adjacent first rotating shafts are connected by couplings 17 to form a continuous snow-breaking synergy. In the design, a safety gap of 5 to 8 centimeters is maintained between the top of the frame and the surface of the photovoltaic panel, and the lowest point of the winch blade 5 is 2 to 2.5 centimeters higher than the frame. This ensures effective snow removal while preventing direct scraping of the photovoltaic panel surface. The overall system layout and transmission design enable the automatic snow removal vehicle to operate smoothly along a preset track, effectively clearing accumulated snow and ensuring that the photovoltaic power station can quickly resume normal power generation after snowfall.

[0036] Example 2

[0037] For photovoltaic power plants in high-latitude regions, such as around 45° North latitude, the photovoltaic panels are fixed at an elevation angle of approximately 35°. In this environment, winter snowfall is heavy and prone to icing, so the structure has been further optimized to meet higher snow removal requirements. The snow removal vehicle also relies on a dedicated frame track 1 that matches the elevation angle of the photovoltaic panels to ensure that the equipment can be in close contact with the surface of the photovoltaic panels. The frame 2 still adopts a frame structure, with four rotating shafts mounted on bearing bushes.

[0038] On the first rotating shaft 3 at the top of the frame 2, more winch blades 5 (configured with 5 winch blades) are used. Each blade is precision machined to ensure that it can effectively pick up snow even in thick snow conditions. At the same time, first transmission gears 4 are installed at both ends of the shaft to work in coordination with other components through the transmission chain.

[0039] The second transmission gear 7 is installed on both sides of the second rotating shaft 6 located at the bottom front of the frame 2, and a larger diameter drive wheel is provided on its outer side to adapt to the increased adhesion of snow layer at low temperature; while the follower wheel 10 is installed on both sides of the third rotating shaft 9 at the bottom rear of the frame 2 to ensure dynamic balance during the overall operation.

[0040] The fourth rotating shaft 13, installed in the middle of the rear of the frame 2, is connected to the motor 11 via a pulley and a double-row transmission gear. The motor 11 is installed in the center of the rear end of the frame and drives the fourth rotating shaft 13 to rotate via a belt. The power is further transmitted to the corresponding gears located at the top and front of the frame via a transmission chain, thus realizing the coordinated movement of the entire vehicle.

[0041] It is worth mentioning that the snowplow is equipped with three sets of snow removal structures. Each set includes the aforementioned first rotating shaft 3, snow cover 15, and winch blades 5. A "V"-shaped snow-breaking baffle 16 is also installed between adjacent structures. Adjacent first rotating shafts are connected by couplings to create a continuous and coordinated snow-breaking effect, making it particularly suitable for handling thick snow or icy conditions. During installation, the entire device maintains a strict 5-8 cm gap between the top of the frame and the surface of the photovoltaic panels. The lowest point of the winch blades is designed to be 2-2.5 cm higher than the frame, ensuring that the photovoltaic panels are not damaged during snow removal while allowing the winch blades to fully utilize their snow-breaking function.

[0042] This embodiment, by enhancing the synergistic effect of the transmission system and multiple snow removal structures, further improves the snow removal efficiency of the equipment in extreme low temperatures and heavy snow environments, ensuring that the photovoltaic power station maintains high power generation performance and system stability under severe cold conditions.

[0043] Through the two embodiments described above, we can see that this automatic snow removal technology not only fully considers the coordinated operation of various components in its structural design, but also optimizes parameters and refines the structure for different environmental conditions. This design can effectively remove snow from the surface of photovoltaic panels, avoiding a decrease in power generation efficiency due to snow accumulation. Furthermore, it can protect the surface of the photovoltaic panels while reducing equipment maintenance costs and improving the overall reliability and economic benefits of the photovoltaic power station.

[0044] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and various changes or modifications can be made to these embodiments without departing from the principles and essence of this utility model. Therefore, the scope of protection of this utility model is defined by the appended claims.

Claims

1. An automatic snowplow based on a photovoltaic power station, wherein a frame track is installed at the same angle as the photovoltaic panels, and the automatic snowplow moves along the frame track, characterized in that, The automatic snow removing vehicle is driven by a motor, and a frame flush with a photovoltaic panel is arranged, and a hoisting blade and a snow shield are installed on the frame; a driving wheel is arranged at the bottom of the front end of the frame, a follower wheel is installed at the tail end, the motor is arranged at the central tail end of the frame, and the driving wheel and the hoisting blade are driven by a transmission chain.

2. The automatic snow-removal vehicle based on a photovoltaic power station according to claim 1, characterized in that, The frame is a frame structure, and the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft are installed through bearing bushes; the first rotating shaft is arranged at the top of the frame, a plurality of hoisting blades are sleeved on the first rotating shaft, and first transmission gears are arranged at both ends of the shaft body; the second rotating shaft is arranged at the bottom of the front end of the frame, second transmission gears are arranged at both ends of the shaft body, and the outermost side is provided with a driving wheel; the third rotating shaft is arranged at the bottom of the rear end of the frame, follower wheels are arranged at the outermost sides of both ends of the shaft body; the fourth rotating shaft is arranged at the middle of the tail end of the frame, fourth transmission gears and a belt pulley are arranged at both ends of the shaft body, respectively, a motor drives the fourth rotating shaft to rotate through a belt, and the fourth transmission gear at the other end of the fourth rotating shaft drives the fourth transmission gear through a transmission chain; the fourth transmission gear is a double-row transmission gear, and is connected with the first transmission gear and the second transmission gear through double transmission chains.

3. The automatic snow-removal vehicle based on a photovoltaic power station according to claim 2, characterized in that, The frame is a frame structure, and a plurality of groups of snow removing structures are arranged in the frame, each group of snow removing structure comprises at least one first rotating shaft, a snow shield and a hoisting blade arranged on the first rotating shaft; a V-shaped snow breaking baffle is arranged between adjacent snow removing structures, the first rotating shafts between adjacent snow removing structures are connected through a shaft coupling, and the first rotating shafts are installed on the frame through bearing bushes at both ends.

4. The snowplow based on photovoltaic power station according to any one of claims 1-3, characterized in that, The lowest point of the top of the frame is 5-8 cm away from the surface of the photovoltaic panel, the lowest point of the hoisting blade is 2-2.5 cm higher than the frame, the snow shield is semicircular, and the thickness of the cover body is 0.5-1 cm.

5. The automatic snow-removal vehicle based on a photovoltaic power station according to claim 1, characterized in that, The driving wheel and the follower wheel are the same width, and are installed in the track of the frame, and the radius of the driving wheel is greater than that of the follower wheel.

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