Solar power generation device

Abstract

The solar power generation device comprises a stand column and a solar panel, a supporting rod is arranged in the middle of the stand column, an adjusting mechanism is arranged at the top of the stand column, the solar panel comprises a frame and a photovoltaic panel, an unwinding unit is arranged at the top of the frame, a winding unit is arranged at the bottom of the frame, and the photovoltaic panel is arranged in the middle of the frame and covered with a film; according to the solar power generation device, the photovoltaic panel is shielded through the transparent film, shielding objects such as dust, bird droppings and accumulated snow are blocked in advance, the shielding objects are prevented from being attached to the photovoltaic panel, the winding unit and the unwinding unit are adopted for winding the transparent film, the shielding objects can be rapidly removed, and the efficiency is improved. The transparent film right above the photovoltaic panel is kept clean all the time, the power generation efficiency of the photovoltaic panel is guaranteed, in addition, the adjusting mechanism is adopted, the angle of the solar panel can be adjusted, the shelter can fall off due to the gravity effect, cleaning of the shelter is assisted, and adhesion and accumulation of the shelter can be reduced at night.

Description

Technical Field

[0001] The invention relates to solar energy technology, in particular to a solar energy power generation device. Background Art

[0002] Solar photovoltaic modules can convert sunlight into electrical energy; solar power generation has become one of the most important components of clean energy and renewable energy.

[0003] Solar photovoltaic panels are generally installed outdoors, so they are inevitably covered with dust or bird droppings during long-term use, and are prone to snow accumulation in winter. Obstructions such as dust, bird droppings and snow will affect the efficiency of photovoltaic panels in absorbing and converting sunlight. Therefore, manual work is generally required to remove obstructions and snow from solar photovoltaic panels.

[0004] Normally, people regularly observe the snowfall on photovoltaic panels and judge whether cleaning is needed based on the number of obstructions. In addition, they usually use cleaning tools such as brooms to clean the panels. However, photovoltaic panels are large in area, and it is difficult for workers to clean the entire photovoltaic panel in one position. They need to adjust their positions frequently, which is labor-intensive and difficult. In addition, some obstructions have strong adhesion and are difficult to clean with soft cleaning tools. Sharp tools need to be used for cleaning. Cleaning with sharp tools has the risk of damaging the surface of the photovoltaic panel and the cleaning cycle is long, which seriously affects the efficiency of photovoltaic power generation. Summary of the invention

[0005] In order to solve the defects of the above-mentioned prior art, the present invention provides a solar power generation device, which uses a transparent film to shield the photovoltaic panel, thereby blocking obstructions such as dust, bird droppings and snow in advance, preventing the obstructions from adhering to the photovoltaic panel, and can quickly remove the obstructions by rolling up the transparent film, thereby ensuring the power generation efficiency of the photovoltaic panel.

[0006] To achieve the above technical objectives, the present invention adopts the following technical solutions: a solar power generation device, comprising a column and a solar panel, the column is vertically arranged, the solar panel is arranged on one side of the column, a support rod is provided in the middle of the column, one end of the support rod is hinged to the solar panel, and the other end of the support rod is fixed to the column, an adjustment mechanism is provided on the top of the column, and the adjustment mechanism drives the solar panel to rotate around the support rod, the solar panel comprises a frame and a photovoltaic panel, a unwinding unit is provided on the top of the frame, a winding unit is provided at the bottom of the frame, the photovoltaic panel is arranged in the middle of the frame and covered with a film, the film is a transparent film, one end of the film is wound around the winding unit, and the other end of the film is wound around the unwinding unit.

[0007] Preferably, the adjustment unit includes an adjustment motor, a gear, a rack and a swing arm. The adjustment motor is fixed to the top of the column, and the adjustment motor drives the gear to rotate. A guide groove is provided on the top of the column, and the rack is meshed with the gear. A guide rail is provided on the side of the rack facing the guide groove, and the guide rail is slidably matched with the guide groove. The rack is hinged to a swing arm at one end toward the frame, and the swing arm is hinged to the top of the frame.

[0008] Preferably, a limiting block is fixed to one end of the rack relative to the swing arm, and a rubber buffer pad is provided on the side of the limiting block facing the guide groove.

[0009] Preferably, guide rollers are provided above and below the photovoltaic panel, and the guide rollers can be rotatably connected to the frame.

[0010] Preferably, the unwinding unit comprises a top box and an unwinding roller, the top box is arranged on the top of the frame, side walls on both sides of the top box are provided with roller grooves, the end of the unwinding roller is inserted into the roller groove, and the film is wound around the unwinding roller.

[0011] Preferably, a replacement plate and bolts are provided on the back of the top box, the bottom end of the replacement plate is hinged to the bottom of the top box, the bolts are used to fix the top of the replacement plate and the top of the top box, and the roller groove opens toward the replacement plate.

[0012] Preferably, the receiving unit includes a base frame and a winding roller, the base frame is arranged at the bottom of the frame, the two ends of the winding roller are respectively passed through the two sides of the base frame, the film is wound around the winding roller, and a winding motor is provided on one side of the base frame, and the winding motor drives the winding roller to rotate.

[0013] Preferably, the chassis is rotatably connected to a pre-cleaning roller.

[0014] Preferably, retaining grooves are provided on both sides of the frame, and both sides of the membrane move along the retaining grooves.

[0015] In summary, the present invention has achieved the following technical effects:

[0016] The solar power generation device of the present invention shields the photovoltaic panel with a transparent film to block obstructions such as dust, bird droppings and snow in advance to prevent the obstructions from adhering to the photovoltaic panel, and adopts a winding unit and an unwinding unit to wind up the transparent film, which can quickly achieve the removal of obstructions, ensuring that the transparent film directly above the photovoltaic panel is always kept clean, thereby ensuring the power generation efficiency of the photovoltaic panel. In addition, an adjustment mechanism is adopted to adjust the angle of the solar panel so that the obstructions fall due to gravity, thereby assisting in the cleaning of the obstructions and reducing the adhesion and accumulation of obstructions at night. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of a solar power generation device of the present invention;

[0018] Figure 2 It is a structural schematic diagram of the regulating mechanism of the solar power generation device of the present invention;

[0019] Figure 3 It is a schematic structural diagram of a photovoltaic panel of a solar power generation device of the present invention;

[0020] Figure 4 is a side view of a photovoltaic panel of a solar power generation device of the present invention;

[0021] Explanation of the reference numerals in the drawings in the specification: 1. column; 2. adjusting motor; 3. guide groove; 4. rack; 6. swing arm; 7. support rod; 8. gear; 9. frame; 10. photovoltaic panel; 11. retaining groove; 12. guide roller; 13. top box; 14. bottom frame; 15. pre-cleaning roller; 16. winding roller; 17. winding motor; 18. film; 19. unwinding roller; 20. replacement plate; 21. bolt. DETAILED DESCRIPTION

[0022] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0023] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0028] Embodiment 1:

[0029] like Figure 1 As shown, a solar power generation device includes a column 1 and a solar panel, the column 1 is vertically arranged, the solar panel is arranged on one side of the column 1, a support rod 7 is provided in the middle of the column 1, one end of the support rod 7 is hinged to the solar panel, and the other end of the support rod 7 is fixed to the column 1, an adjusting mechanism is provided on the top of the column 1, and the adjusting mechanism drives the solar panel to rotate around the support rod 7, the solar panel includes a frame 9 and a photovoltaic panel 10, a unwinding unit is provided on the top of the frame 9, and a winding unit is provided at the bottom of the frame 9, the photovoltaic panel 10 is arranged in the middle of the frame 9 and is covered with a film 18, the film 18 is a transparent film, one end of the film 18 is wound around the winding unit, and the other end of the film 18 is wound around the unwinding unit.

[0030] The solar power generation device of this embodiment shields the photovoltaic panel 10 with a transparent film 18 to block dust, bird droppings, snow and other obstructions in advance, thereby preventing the obstructions from adhering to the photovoltaic panel 10.

[0031] like Figure 2As shown, the adjusting unit includes an adjusting motor 2, a gear 8, a rack 4 and a swing arm 6. The adjusting motor 2 is fixed on the top of the column 1, and the adjusting motor 2 drives the gear 8 to rotate. A guide groove 3 is provided on the top of the column 1, and the rack 4 is meshed with the gear 8. A guide rail is provided on the rack 4 toward the guide groove 3, and the guide rail is slidably matched with the guide groove 3. The rack 4 is hinged with a swing arm 6 at one end toward the frame 9, and the swing arm 6 is hinged to the top of the frame 9; a limiting block is fixed on one end of the rack 4 relative to the swing arm 6, and a rubber buffer pad is provided on the limiting block toward the guide groove 3; guide rollers 12 are provided above and below the photovoltaic panel 10, and the guide rollers 12 can be rotatably connected to the frame 9; wherein the top of the guide roller 12 is higher than the top surface of the photovoltaic panel 10 to avoid damage caused by friction between the membrane 18 and the photovoltaic panel 10.

[0032] The solar power generation device of this embodiment adopts an adjustment mechanism, which can adjust the angle of the solar panel so that the obstruction falls due to gravity, assists in cleaning the obstruction, and can reduce the adhesion and accumulation of the obstruction at night.

[0033] like Figure 3 -4 The unwinding unit includes a top box 13 and an unwinding roller 19, the top box 13 is arranged on the top of the frame 9, and the side walls on both sides of the top box 13 are provided with roller grooves, the end of the unwinding roller 19 is inserted into the roller groove, and the film 18 is wound on the unwinding roller 19; a replacement plate 20 and a bolt 21 are provided on the back of the top box 13, the bottom end of the replacement plate 20 is hinged to the bottom of the top box 13, the bolt 21 is used to fix the top of the replacement plate 20 and the top of the top box 13, and the roller groove opens toward the replacement plate 20; the receiving unit includes a bottom frame 14 and a winding roller 16, the bottom frame 14 is arranged at the bottom of the frame 9, and the winding roller The two ends of 16 are respectively passed through the two sides of the base frame 14, the film 18 is wound around the winding roller 16, and a winding motor 17 is provided on one side of the base frame 14, and the winding motor 17 drives the winding roller 16 to rotate; the base frame 14 is rotatably connected to the pre-cleaning roller 15; the replacement plate 20 and the bolt 21 are provided to block the unwinding roller 19 and facilitate the replacement of the unwinding roller 19; the top box 13 is provided to shield the unwinding roller 19 and the film 18 to prevent a large amount of foreign impurities from adhering to the surface of the film 18; the pre-cleaning roller 15 can squeeze the film 18 and remove some obstructions in advance, which is beneficial to the subsequent regeneration of the film 18.

[0034] The solar power generation device of this embodiment adopts a winding unit and an unwinding unit to wind up the transparent film 18, which can quickly remove obstructions and ensure that the transparent film 18 directly above the photovoltaic panel 10 always remains clean, thereby ensuring the power generation efficiency of the photovoltaic panel 10.

[0035] The frame 9 is provided with retaining grooves 11 on both sides, and the membrane 18 moves along the retaining grooves 11 on both sides. The retaining grooves 11 can limit the two ends of the membrane 18 and guide the movement of the membrane 18 to prevent obstructions from entering the photovoltaic panel 10 from both sides of the membrane 18 as much as possible.

[0036] Working principle: during manual inspection, if many obstructions are found on the film 18 or the winding motor 17 is controlled to work regularly, the transparent film 18 is wound up to ensure that the transparent film 18 directly above the photovoltaic panel 10 is always kept clean and the obstructions are quickly removed. When the film 18 is used up, the top box 13 can be opened manually, the winding roller 16 can be removed, the unwinding roller 19 and the winding roller 16 can be replaced, and new film 18 can be replenished. The film 18 is pulled from the top box 13 and passed through the upper guide roller 12, the upper and lower guide rollers 12 of the photovoltaic panel 10, and the pre-cleaning roller 15 in turn, and then wound on the new winding roller 16; when encountering rainy or snowy weather or at night, the angle of the solar panel can be adjusted through the adjustment mechanism, so that the obstructions fall due to gravity and the adhesion and accumulation of obstructions are reduced.

[0037] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A solar power generation device, characterized in that: It includes a column and a solar panel, the column is vertically arranged, the solar panel is arranged on one side of the column, a support rod is arranged in the middle of the column, one end of the support rod is hinged to the solar panel, the other end of the support rod is fixed to the column, an adjustment mechanism is arranged on the top of the column, the adjustment mechanism drives the solar panel to rotate around the support rod, the solar panel includes a frame and a photovoltaic panel, a unwinding unit is arranged on the top of the frame, a winding unit is arranged at the bottom of the frame, the photovoltaic panel is arranged in the middle of the frame and covered with a film, the film is a transparent film, one end of the film is wound around the winding unit, and the other end of the film is wound around the unwinding unit.

2. A solar power generation device according to claim 1, characterized in that: The adjusting unit comprises an adjusting motor, a gear, a rack and a swing arm. The adjusting motor is fixed on the top of the column, and the adjusting motor drives the gear to rotate. A guide groove is provided on the top of the column, and the rack is meshed with the gear. A guide rail is provided on the side of the rack facing the guide groove, and the guide rail is slidably matched with the guide groove. A swing arm is hinged on one end of the rack toward the frame, and the swing arm is hinged to the top of the frame.

3. A solar power generation device according to claim 2, characterized in that: The rack is fixed with a limiting block relative to one end of the swing arm, and the limiting block is provided with a rubber buffer pad on the side facing the guide groove.

4. A solar power generation device according to claim 1, characterized in that: Guide rollers are provided above and below the photovoltaic panel, and the guide rollers can be rotatably connected to the frame.

5. A solar power generation device according to claim 1, characterized in that: The unwinding unit comprises a top box and an unwinding roller. The top box is arranged on the top of the frame. Both side walls of the top box are provided with roller grooves. The end of the unwinding roller is inserted into the roller groove, and the film is wound on the unwinding roller.

6. A solar power generation device according to claim 5, characterized in that: A replacement plate and bolts are provided on the back of the top box, the bottom end of the replacement plate is hinged to the bottom of the top box, the bolts are used to fix the top end of the replacement plate and the top of the top box, and the roller groove opens toward the replacement plate.

7. A solar power generation device according to claim 1, characterized in that: The receiving unit includes a base frame and a winding roller. The base frame is arranged at the bottom of the frame. The two ends of the winding roller are respectively passed through the two sides of the base frame. The film is wound around the winding roller. A winding motor is provided on one side of the base frame. The winding motor drives the winding roller to rotate.

8. A solar power generation device according to claim 7, characterized in that: The base frame is rotatably connected with a pre-cleaning roller.

9. A solar power generation device according to claim 1, characterized in that: Stop grooves are arranged on both sides of the frame, and both sides of the membrane move along the stop grooves.

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