Protective assembly for photovoltaic panel

Abstract

The utility model discloses a photovoltaic panel protection assembly, which comprises a photovoltaic panel, a frame, a baffle film and two mounting frames, the photovoltaic panel is fixed at the center of the frame, the two mounting frames are respectively arranged on two sides of the frame, an unwinding roller and a winding roller are respectively arranged in the two mounting frames, the baffle film is wound on the unwinding roller, covers the front surface of the photovoltaic panel and then is fixed on the winding roller, and the photovoltaic panel is fixed on the winding roller. A limiting groove is formed in the side, facing the frame, of the mounting frame and matched with the mounting frame in an inserted mode, positioning plates are arranged on the two sides of the bottom of the frame, fixing bolts are arranged on the positioning plates, and the mounting holes are fixed to the positioning plates through the fixing bolts. According to the protection assembly for the photovoltaic panel, the blocking film, the winding roller and the unwinding roller are adopted, the blocking film can be replaced regularly or actively, the photovoltaic panel can be blocked, blocking objects such as dust and bird droppings are prevented from falling on the surface of the photovoltaic panel, normal passing of sunlight is not affected, the protection assembly can be rapidly installed on the frame in cooperation with the installation frame, the positioning plate and the fixing bolts, and the protection assembly is convenient to use. And a protection assembly can be easily added to the existing photovoltaic assembly.

Description

Technical Field

[0001] The utility model relates to photovoltaic technology, in particular to a protective component for a photovoltaic panel. 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 cell modules are usually installed directly in open areas with plenty of sunshine. In the long-term use, dust, bird droppings and other obstructions will inevitably fall on the surface of the photovoltaic panels, blocking the light, resulting in a decrease in the light energy absorption efficiency of the photovoltaic panels and a decrease in the power generation efficiency.

[0004] Existing photovoltaic panels are generally cleaned manually using cleaning equipment on a regular basis. However, bird droppings solidify on the surface of the photovoltaic panels after drying, making them difficult to clean. The cleaning work is time-consuming and laborious. Moreover, after the water evaporates, it will leave water stains, block sunlight, and affect power generation efficiency. Utility Model Content

[0005] In order to solve the defects of the above-mentioned prior art, the utility model provides a protective component for a photovoltaic panel, which is easy to be installed on the photovoltaic component and can protect the photovoltaic panel and prevent dust or bird droppings from falling on the photovoltaic panel.

[0006] To achieve the above technical objectives, the utility model adopts the following technical solutions: a protective component for a photovoltaic panel, comprising a photovoltaic panel, a frame, a barrier film and two mounting frames, the photovoltaic panel being fixed at the center of the frame, the two mounting frames being respectively arranged on both sides of the frame, a unwinding roller and a winding roller being respectively provided in the two mounting frames, one end of the barrier film being wound around the unwinding roller, the other end of the barrier film being fixed to the winding roller after covering the front side of the photovoltaic panel, the barrier film being a colorless and transparent film, a limiting groove being provided on one side of the mounting frame facing the frame, the limiting groove being plugged into the mounting frame, positioning plates being provided on both sides of the bottom of the frame, fixing bolts being provided on the positioning plates, and the fixing bolts fixing the mounting holes to the positioning plates.

[0007] Preferably, a driving unit is provided on the winding roller, and the driving unit includes a motor, the motor is fixed to a mounting frame, and the output shaft of the motor is coaxially fixedly arranged with the winding roller.

[0008] Preferably, a limiting rod is provided at the top of the frame, and locking bolts are provided at both ends of the limiting rod, and the locking bolts fix the limiting rod to the installation frame.

[0009] Preferably, a guide wheel is provided on the side of the installation frame facing the photovoltaic panel, and the guide wheel can be rotatably connected in the installation frame, and the guide wheel is used to guide the retaining film.

[0010] Preferably, a guide hole is provided on a side wall of the installation frame facing the photovoltaic panel, and the guide hole is used to guide the retaining film to enter or extend out of the installation frame.

[0011] Preferably, cleaning brushes are provided at the top and bottom of the guide hole.

[0012] Preferably, both the winding roller and the rewinding roller are provided with a clamping plate, the end of the clamping plate is hinged to the winding roller or the rewinding roller, and a torsion spring is provided at the hinge between the clamping plate and the winding roller or the rewinding roller, and the clamping plate is used to fix the barrier film to the winding roller or the rewinding roller.

[0013] Preferably, mounting grooves are provided at the top and bottom of the mounting frame relative to one side of the photovoltaic panel, and the ends of the winding roller or the unwinding roller are slidably fitted in the mounting grooves.

[0014] Preferably, a replacement plate is provided on one side of the installation frame relative to the photovoltaic panel, one end of the replacement plate is hinged to the installation frame, and the other end of the replacement plate is fixed to the installation frame by a locking bolt.

[0015] In summary, the utility model has achieved the following technical effects:

[0016] The protective component for photovoltaic panels of the utility model adopts a blocking film, a winding roller and an unwinding roller. The blocking film can be replaced regularly or actively, which can not only shield the photovoltaic panels and prevent obstructions such as dust and bird droppings from falling on the surface of the photovoltaic panels, but also does not affect the normal passage of sunlight. In addition, it can be quickly installed on the frame by cooperating with the installation frame, the positioning plate and the fixing bolts, so it is easy to add a protective component to the existing photovoltaic components. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a protective assembly for photovoltaic panels of the utility model;

[0018] Figure 2 It is a cross-sectional view of the installation frame of the protective assembly for photovoltaic panels of the utility model;

[0019] Explanation of the reference numerals in the specification: 1. frame; 2. photovoltaic panel; 3. positioning plate; 4. mounting frame; 5. limiting rod; 6. fixing bolt; 7. locking bolt; 8. unwinding roller; 9. winding roller; 10. blocking film; 11. guide wheel; 12. cleaning brush; 13. replacement plate; 14. locking bolt; 15. mounting groove. DETAILED DESCRIPTION

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0021] 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, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0022] 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 a limitation on the present invention.

[0023] 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 utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" 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.

[0025] In the present utility model, 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.

[0026] Embodiment 1:

[0027] like Figure 1 As shown in Figure 2, a protective component for a photovoltaic panel 2 includes a photovoltaic panel 2, a frame 1, a barrier film 10 and two mounting frames 4. The photovoltaic panel 2 is fixed at the center of the frame 1. The two mounting frames 4 are respectively arranged on both sides of the frame 1. A unwinding roller 8 and a winding roller 9 are respectively provided in the two mounting frames 4. One end of the barrier film 10 is wound around the unwinding roller 8, and the other end of the barrier film 10 is fixed to the winding roller 9 after covering the front of the photovoltaic panel 2. The barrier film 10 is a colorless and transparent film. A limiting groove is provided on the side of the mounting frame 4 facing the frame 1, and the limiting groove is plugged into the mounting frame 4. Positioning plates 3 are provided on both sides of the bottom of the frame 1. Fixing bolts 6 are provided on the positioning plate 3. The fixing bolts 6 fix the mounting holes to the positioning plate 3.

[0028] The protective assembly for the photovoltaic panel 2 of this embodiment adopts a blocking film 10, a winding roller 9 and an unwinding roller 8. The blocking film 10 can be replaced regularly or actively, which can not only shield the photovoltaic panel 2 and prevent dust, bird droppings and other blocking objects from falling on the surface of the photovoltaic panel 2, but also does not affect the normal passage of sunlight. In addition, it can be quickly installed on the frame 1 with the installation frame 4, the positioning plate 3 and the fixing bolts 6, and it is easy to add a protective assembly to the existing photovoltaic assembly.

[0029] The winding roller 9 is provided with a driving unit, which includes a motor, which is fixed to the mounting frame 4, and the motor output shaft is coaxially fixed with the winding roller 9; wherein the motor can be manually controlled by a worker or controlled by a mobile terminal in conjunction with an antenna.

[0030] A limiting rod 5 is provided at the top of the frame 1 , and locking bolts 7 are provided at both ends of the limiting rod 5 , and the locking bolts 7 fix the limiting rod 5 to the mounting frame 4 ; the setting of the limiting rod 5 can enhance the fixing firmness of the mounting frame 4 and the frame 1 .

[0031] A guide wheel 11 is provided on the side of the mounting frame 4 facing the photovoltaic panel 2, and the guide wheel 11 can be rotatably connected in the mounting frame 4, and the guide wheel 11 is used to guide the blocking film 10; a guide hole is opened on the side wall of the mounting frame 4 facing the photovoltaic panel 2, and the guide hole is used to guide the blocking film 10 to enter or extend out of the mounting frame 4; the setting of the guide wheel 11 and the guide hole can enable the blocking film 10 to be horizontally covered on the front side of the photovoltaic panel 2 to avoid damage caused by friction between the blocking film 10 and the mounting frame 4.

[0032] Cleaning brushes 12 are provided at the top and bottom of the guide hole; the provision of the cleaning brushes 12 can prevent dust from entering the installation hole, and at the same time perform preliminary cleaning of the blocking film 10 to facilitate subsequent regeneration of the blocking film 10 .

[0033] Both the winding roller 9 and the winding roller 9 are provided with a clamping plate, the end of the clamping plate is hinged to the winding roller 9 or the winding roller 9, and a torsion spring is provided at the hinge between the clamping plate and the winding roller 9 or the winding roller 9. The clamping plate is used to fix the blocking film 10 to the winding roller 9 or the winding roller 9.

[0034] The top and bottom of the mounting frame 4 are provided with mounting grooves 15 relative to one side of the photovoltaic panel 2, and the end of the winding roller 9 or the unwinding roller 8 is slidably fitted in the mounting groove 15; the mounting frame 4 is provided with a replacement plate 13 on one side of the photovoltaic panel 2, one end of the replacement plate 13 is hinged to the mounting frame 4, and the other end of the replacement plate 13 is fixed to the mounting frame 4 by a locking bolt 7; the setting of the mounting groove 15 and the replacement plate 13 facilitates the replacement of the winding roller 9 or the unwinding roller 8, and also facilitates the replacement of the blocking film 10.

[0035] Working principle: During installation, you only need to place the installation frame 4 on the positioning plate 3 and fix it with the fixing bolts 6. Then you can set the limit rod 5, and fix the limit rod 5 and the installation frame 4 with the locking bolts 7 to improve the fixing firmness of the installation frame 4 and the frame 1. Then rotate the replacement plate 13, install the unwinding roller 8 wrapped with the blocking film 10 and the empty winding roller 9 in the installation frame 4 through the installation groove 15, and pass the blocking film 10 around the guide wheel 11 and the guide hole, block the front of the photovoltaic panel 2 and fix it to the winding roller 9 through the clamping plate, and then fix the replacement plate 13 to the installation frame 4 with the locking bolts 14 to prevent the winding roller 9 or the unwinding roller 8 from detaching from the installation frame 4; when the blocking film 10 is used up, the operator can directly replace the installation frame 4 or the winding roller 9 and the unwinding roller 8 in the installation frame 4, which is more convenient to replace.

[0036] The above description is only a preferred implementation mode 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 protective assembly for a photovoltaic panel, characterized in that: It includes a photovoltaic panel, a frame, a barrier film and two installation frames. The photovoltaic panel is fixed at the center of the frame. The two installation frames are respectively arranged on both sides of the frame. A unwinding roller and a winding roller are respectively provided in the two installation frames. One end of the barrier film is wound around the unwinding roller, and the other end of the barrier film is fixed to the winding roller after covering the front of the photovoltaic panel. The barrier film is a colorless and transparent film. A limiting groove is provided on the side of the installation frame facing the frame. The limiting groove is plugged into the installation frame. Positioning plates are provided on both sides of the bottom of the frame. Fixing bolts are provided on the positioning plates. The fixing bolts fix the mounting holes to the positioning plates.

2. A photovoltaic panel protection assembly according to claim 1, characterized in that: The winding roller is provided with a driving unit, and the driving unit comprises a motor, the motor is fixed to a mounting frame, and the output shaft of the motor is coaxially fixedly arranged with the winding roller.

3. A photovoltaic panel protection assembly according to claim 1, characterized in that: A limiting rod is provided on the top of the frame, and locking bolts are provided at both ends of the limiting rod, and the locking bolts fix the limiting rod and the installation frame.

4. A photovoltaic panel protection assembly according to claim 1, characterized in that: A guide wheel is provided on the side of the installation frame facing the photovoltaic panel. The guide wheel can be rotatably connected in the installation frame and is used to guide the retaining film.

5. A photovoltaic panel protection assembly according to claim 1, characterized in that: A guide hole is provided on the side wall of the installation frame facing the photovoltaic panel, and the guide hole is used to guide the blocking film to enter or extend out of the installation frame.

6. A photovoltaic panel protection assembly according to claim 5, characterized in that: Cleaning brushes are provided on the top and bottom of the guide hole.

7. A photovoltaic panel protection assembly according to claim 1, characterized in that: The winding roller and the take-up roller are both provided with a clamping plate, the end of the clamping plate is hinged to the winding roller or the take-up roller, and a torsion spring is provided at the hinge between the clamping plate and the winding roller or the take-up roller, and the clamping plate is used to fix the barrier film to the winding roller or the take-up roller.

8. A photovoltaic panel protection assembly according to claim 1, characterized in that: The top and bottom of the installation frame are provided with installation grooves relative to one side of the photovoltaic panel, and the ends of the winding roller or the unwinding roller are slidably matched in the installation grooves.

9. A photovoltaic panel protection assembly according to claim 1, characterized in that: A replacement plate is provided on one side of the installation frame relative to the photovoltaic panel. One end of the replacement plate is hinged to the installation frame, and the other end of the replacement plate is fixed to the installation frame by a locking bolt.

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