Waterproof structure embedded with frame of photovoltaic module and photovoltaic system

Abstract

The utility model discloses a waterproof structure and photovoltaic system embedded with photovoltaic module frame, its waterproof structure includes the water guide groove embedded between the frame of two adjacent photovoltaic modules and the reinforcing piece fixed with the frame, the water guide groove is U type structure, including bottom wall and two side walls, wherein two side walls correspond with the B edge of two photovoltaic module frames and are pasted, and the top of two side walls is equipped with the upper flanging that turns over outward, the upper flanging is overlapped on the A edge of photovoltaic module frame, the reinforcing piece is equipped with the support part supported under the bottom wall of water guide groove. U type water guide groove is combined with two adjacent photovoltaic module frames as a whole, has good buffering damping effect, effectively slows down the influence of wind vibration effect to module, and the stability between module increases, avoids the problem of module hidden crack, and the flexible support effect is more obvious.

Description

Technical Field

[0001] This utility model belongs to the field of photovoltaic technology, specifically relating to photovoltaic waterproofing technology. Background Technology

[0002] As photovoltaic system solutions are developed and business volume continues to expand, after-sales maintenance issues for power stations are becoming increasingly serious. Firstly, there are issues with strong winds: investigations show that most accidents are caused by tearing of the module frames, leading to failure of the clamps and the photovoltaic panels detaching from the support structures due to unreliable connections. Secondly, there are issues with water leakage in power stations: customer complaints are severe, the waterproofing system for the support structures has not met expectations, and photovoltaic power stations are causing leaks in buildings.

[0003] To meet market demands, waterproofing solutions for sloping roof supports and the strength of component frames have become key research areas for various companies. The mainstream solution on the market involves adding drainage channels to the supports to ensure waterproofing. However, in extreme weather conditions, these channels may fail to drain water effectively, leading to waterproofing system failure and hindering market competitiveness. Utility Model Content

[0004] In view of the shortcomings of the prior art, the technical problem to be solved by this utility model is to provide a waterproof structure and photovoltaic system that can be fitted into the frame of a photovoltaic module, which can not only solve the waterproof problem, but also increase the strength of the photovoltaic module frame.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0006] First, a waterproof structure for fitting into the frame of a photovoltaic module is provided, including a water guide channel fitted between two adjacent photovoltaic module frames and a reinforcement member fixed to the frame. The water guide channel is a U-shaped structure, including a bottom wall and two side walls, wherein the two side walls are fitted with the B side of the two photovoltaic module frames, and the top of each side wall is provided with an outwardly flipped-up edge, which overlaps the A side of the photovoltaic module frame. The reinforcement member is provided with a support part supported under the bottom wall of the water guide channel.

[0007] Preferably, the reinforcing member is provided with a clamping part, the clamping part is provided with a clamping groove that clamps with the C side of the frame, and the supporting part extends from the lower side wall of the clamping groove to the space between the frames of two adjacent photovoltaic modules.

[0008] Preferably, the clamping part is provided with a limiting stop edge that connects to the upper side wall of the clamping groove and extends upward, and the limiting stop edge is in contact with the inner side of the B side of the photovoltaic module frame.

[0009] Preferably, a fastener is provided between the clamping part and the edge C of the frame.

[0010] Preferably, the fastener is a rivet or a bolt, and the clamping part and the C-side of the photovoltaic module frame are provided with fastening holes that cooperate with the rivet or bolt.

[0011] Preferably, the rivet includes a limiting base plate and a fixing post. The fixing post includes a spherical crown at its head end. The fixing post passes through a fastening hole, and the limiting base plate is limited to the bottom end of the fastening hole, while the spherical crown is limited to the upper end of the fastening hole.

[0012] Preferably, the fixing column further includes a conical portion in the middle and a cylindrical portion at the tail end, and the diameter of the cylindrical portion is larger than the diameter of the bottom end of the conical portion. The diameter of the fastening hole on the lower side wall of the clamping groove is larger than the diameter of the fastening hole on the C side of the photovoltaic module frame, so that the cylindrical portion is inserted into the fastening hole on the lower side wall of the clamping groove, and the upper end face of the cylindrical portion is matched with the bottom end of the fastening hole on the C side of the photovoltaic module frame.

[0013] Preferably, the portion where the limiting stop meets the upper sidewall of the clamping groove is provided with an arc transition section, and the arc transition section is fitted with the photovoltaic module frame with a gap.

[0014] Preferably, the water guide channel is a sheet metal part; and / or, the reinforcing part is a sheet metal part.

[0015] In addition, a photovoltaic system is also provided, including the aforementioned waterproof structure.

[0016] The present invention adopts the above technical solution and has the following beneficial effects:

[0017] 1. First, the reinforcement components locally strengthen the module frame, effectively preventing tearing. Additionally, because the U-shaped water channel is fitted between the frames of two adjacent photovoltaic modules, and its bottom wall is supported by the support structure, with the upper edge overlapping side A, the U-shaped water channel integrates seamlessly with the frames of the two adjacent photovoltaic modules. This provides excellent buffering and shock absorption, effectively mitigating the impact of wind vibration on the modules, increasing the stability between modules, preventing microcracks, and making the flexible support system more effective.

[0018] Secondly, the U-shaped water channel is fitted between the frames of two adjacent photovoltaic modules, with the two side walls corresponding to the B-side of the two photovoltaic module frames. There is almost no gap between the mating surfaces of the two, and waterproofing treatment, such as waterproof adhesive, can be applied to effectively prevent water from falling to the bottom of the module. Instead, the water flows down from the surface of the photovoltaic module into the water channel, thus achieving a good drainage effect.

[0019] Meanwhile, since the water channel is positioned both vertically and horizontally, and is also positioned by the side frames, it is integrated with the component frame, which can not only seal and waterproof, but also effectively play a role in buffering and shock absorption.

[0020] 2. The reinforcing component includes a clamping part with a clamping groove that engages with the C-side of the frame. The clamping part also has a limiting stop that connects to the upper sidewall of the clamping groove and extends upwards. This limiting stop is fitted against the inner side of the B-side of the photovoltaic module frame. Therefore, the clamping part is clamped and fixed to the C-side of the frame, eliminating the need for additional fasteners.

[0021] 3. Alternatively, fasteners can be provided between the clamping part and the C-side of the frame. Through the strengthening effect of the fasteners, the clamping part and the frame can be firmly combined into one, further enhancing the structural strength of the frame and effectively avoiding the problem of frame tearing.

[0022] 4. Fasteners can be riveted, which is easier to install than bolts. Furthermore, once riveted, they are less likely to fall off.

[0023] 5. The water guide channel and reinforcement components can be made of sheet metal, specifically aluminum alloy or stainless steel, offering excellent corrosion resistance and a long service life. Mass production using sheet metal processing can further reduce costs. Furthermore, both the water guide channel and reinforcement components have good elasticity, which facilitates the water guide channel's cushioning and shock absorption function, and allows for flexible clamping and fixation of the reinforcement components to the C-side of the frame.

[0024] These features and advantages of the present invention will be disclosed in detail in the following specific embodiments and accompanying drawings. Attached Figure Description

[0025] The utility model will be further described below with reference to the accompanying drawings:

[0026] Figure 1 This is a schematic diagram of the installation of the waterproof structure in one embodiment of the present invention.

[0027] Figure 2 This is a schematic diagram of the installation structure of the reinforcement in one embodiment of the present utility model;

[0028] Figure 3 This is a schematic diagram of the water guide channel in one embodiment of the present invention;

[0029] Figure 4 This is a schematic diagram of the installation of the waterproof structure in one embodiment of the present invention.

[0030] Figure 5 This is a schematic diagram of the connection structure between the rivet and the frame C-side and the clamping part in one embodiment of the present invention;

[0031] Figure 6 This is a schematic diagram of the rivet structure in one embodiment of the present invention;

[0032] Reference numerals: 1. Photovoltaic module; 11. Frame; 111. A side; 112. B side; 113. C side; 2. Water channel; 2. Bottom wall; 21. Side wall; 22. Upward flange; 23. Reinforcing member; 3. Clamping part; 31. Limiting stop; 32. Support part; 33. Arc transition section; 34. Rivet; 4. Limiting base plate; 41. Cylindrical part; 42. Conical part; 43. Spherical crown part; 44. Detailed Implementation

[0033] The technical solutions of the present utility model will be explained and described below with reference to the accompanying drawings. However, the following embodiments are only preferred embodiments of the present utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments in the implementation methods without creative effort are all within the protection scope of the present utility model.

[0034] Those skilled in the art will understand that, without conflict, the features in the following embodiments and implementations can be combined with each other.

[0035] The terminology used in this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. For example, terms such as "upper," "lower," "lateral," and "longitudinal," which indicate orientation or positional relationship, are based solely on the orientation or positional relationship shown in the accompanying drawings and are used only for the convenience of describing the invention and simplifying the description. They do not indicate or imply that the device / component referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the invention.

[0036] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0037] Referring to existing photovoltaic systems, these systems typically include a photovoltaic module array. Several photovoltaic modules within the array can be arranged in a matrix. Each photovoltaic module has a frame and a photovoltaic panel mounted on the frame. There are gaps between the frames of adjacent photovoltaic modules, both horizontally and vertically. As a conventional structure, the frame has sides A, B, and C.

[0038] For photovoltaic systems installed on rooftops and other similar locations, waterproofing needs to be considered. To address the waterproofing issue of gaps between photovoltaic module frames, a waterproof structure is installed between adjacent photovoltaic modules.

[0039] Example 1

[0040] like Figures 1 to 3 As shown, this embodiment provides a waterproof structure that fits into the frame of a photovoltaic module, including a water channel 2 fitted between the frames 11 of two adjacent photovoltaic modules 1 and a reinforcement 3 fixed to the frame 11. The water channel 2 is a U-shaped structure, including a bottom wall 21 and two side walls 22, wherein the two side walls 22 are fitted to the B side 112 of the two photovoltaic module frames, and the top of each side wall is provided with an outwardly flipped upper edge 23, which overlaps the A side 111 of the photovoltaic module frame. The reinforcement 3 is provided with a support part 33 supported under the bottom wall of the water channel.

[0041] Specifically, the reinforcing member 3 is provided with a clamping part 31, which has a clamping groove that clamps with the C side 113 of the frame. The supporting part 33 extends from the lower sidewall of the clamping groove between the frames of two adjacent photovoltaic modules. In this embodiment, the clamping part is clamped and fixed with the C side of the frame, eliminating the need for additional fasteners. The clamping part 31 is provided with a limiting stop 32 that connects to the upper sidewall of the clamping groove and extends upward. The limiting stop 32 is in contact with the inner side of the B side of the photovoltaic module frame.

[0042] The above technical solution, firstly, uses reinforcement components to locally strengthen the module frame, effectively preventing frame tearing. Secondly, because the U-shaped water channel is embedded between the frames of two adjacent photovoltaic modules, and its bottom wall is supported by the support component, with the upper edge overlapping the A side, the U-shaped water channel and the frames of the two adjacent photovoltaic modules are integrated into one unit, providing good buffering and shock absorption, effectively mitigating the impact of wind vibration on the modules, increasing the stability between modules, avoiding microcracks in the modules, and making the flexible support effect more obvious.

[0043] Secondly, the U-shaped water channel is fitted between the frames of two adjacent photovoltaic modules, with the two side walls corresponding to the B-side of the two photovoltaic module frames. There is almost no gap between the mating surfaces of the two, and waterproofing treatment, such as waterproof adhesive, can be applied to effectively prevent water from falling to the bottom of the module. Instead, the water flows down from the surface of the photovoltaic module into the water channel, thus achieving a good drainage effect.

[0044] Meanwhile, since the water channel is positioned both vertically and horizontally, and is also positioned by the side frames, it is integrated with the component frame, which can not only seal and waterproof, but also effectively play a role in buffering and shock absorption.

[0045] In some embodiments, the water guide channel 2 is a sheet metal part; the reinforcing member 3 is also a sheet metal part. They can be made of aluminum alloy or stainless steel, offering excellent corrosion resistance and a long service life. Mass production using sheet metal processing can reduce costs. Furthermore, both the water guide channel and the reinforcing member have good elasticity, which helps the water guide channel to act as a buffer and shock absorber, and facilitates the elastic clamping and fixing of the reinforcing member to the C-side of the frame.

[0046] Example 2

[0047] like Figure 4 and Figure 6 As shown, improvements can be made based on the first embodiment described above. A fastener is provided between the clamping part 31 and the frame C side 113. Here, the fastener can be a rivet 4 or a bolt. The clamping part and the photovoltaic module frame C side are provided with fastening holes that mate with the rivet or bolt. Through the reinforcing effect of the fastener, the fastener and the frame can be firmly integrated, further enhancing the structural strength of the frame and effectively preventing frame tearing. Of course, as in the first embodiment, the fastener can also be omitted.

[0048] In this embodiment, the rivet includes a limiting base plate 41 and a fixing post. The fixing post includes a spherical crown 44 at its head end. The fixing post passes through a fastening hole, and the limiting base plate 41 is matched with the bottom end of the fastening hole, while the spherical crown is matched with the upper end of the fastening hole. Compared with bolts, installation is more convenient. Furthermore, once the rivet is secured, it is less likely to fall off.

[0049] Furthermore, the fixing column also includes a conical portion 43 in the middle and a cylindrical portion 42 at the tail end, and the diameter of the cylindrical portion 42 is larger than the diameter of the bottom end of the conical portion. The diameter of the fastening hole on the lower side wall of the clamping groove is larger than the diameter of the fastening hole on the C side of the photovoltaic module frame, so that the cylindrical portion 42 is inserted into the fastening hole on the lower side wall of the clamping groove.

[0050] Furthermore, the portion where the limiting stop 32 meets the upper sidewall of the clamping groove is provided with an arc transition section 34, which fits with the photovoltaic module frame with a gap. This facilitates elastic contact between the limiting stop and the inner side of the B side of the photovoltaic module frame.

[0051] Understandably, the specific structure of the reinforcement component can be changed. For example, if a fastener is set, the part above the C-side of the frame can be omitted, and the reinforcement component can be fixed to the C-side of the frame by the fastener. The possible variations will not be listed here.

[0052] The above description is merely a specific embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. Those skilled in the art should understand that the utility model includes, but is not limited to, the content described in the accompanying drawings and the specific embodiments above. Any modifications that do not depart from the functional and structural principles of the utility model will be included within the scope of the claims.

Claims

1. A waterproof structure that fits into the frame of a photovoltaic module, characterized in that, The device includes a water channel fitted between the frames of two adjacent photovoltaic modules and a reinforcement member fixed to the frame. The water channel has a U-shaped structure, including a bottom wall and two side walls. The two side walls are fitted to the B side of the two photovoltaic module frames, and the top of each side wall is provided with an outwardly flipped-up edge. The flipped-up edge overlaps the A side of the photovoltaic module frame. The reinforcement member is provided with a support part supported under the bottom wall of the water channel.

2. The waterproof structure for fitting into the frame of a photovoltaic module according to claim 1, characterized in that, The reinforcement part is provided with a clamping part, the clamping part is provided with a clamping groove that clamps with the C side of the frame, and the support part extends from the lower side wall of the clamping groove to the space between the frames of two adjacent photovoltaic modules.

3. The waterproof structure for fitting into the frame of a photovoltaic module according to claim 2, characterized in that, The clamping part is provided with a limiting stop that connects to the upper side wall of the clamping groove and extends upward, and the limiting stop is in contact with the inner side of the B side of the photovoltaic module frame.

4. The waterproof structure for fitting into the frame of a photovoltaic module according to claim 2, characterized in that, Fasteners are provided between the clamping part and the C-side of the frame.

5. A waterproof structure for fitting into the frame of a photovoltaic module according to claim 4, characterized in that, The fastener is a rivet or a bolt, and the clamping part and the C-side of the photovoltaic module frame are provided with fastening holes that cooperate with the rivet or bolt.

6. A waterproof structure for fitting into the frame of a photovoltaic module according to claim 5, characterized in that, The rivet includes a limiting base plate and a fixing post. The fixing post includes a spherical crown at the head end. The fixing post passes through a fastening hole, and the limiting base plate is limited to the bottom end of the fastening hole, while the spherical crown is limited to the upper end of the fastening hole.

7. A waterproof structure for fitting into the frame of a photovoltaic module according to claim 6, characterized in that, The fixing column also includes a conical part in the middle and a cylindrical part at the tail end. The diameter of the cylindrical part is larger than the diameter of the bottom end of the conical part. The diameter of the fastening hole on the lower side wall of the clamping groove is larger than the diameter of the fastening hole on the C side of the photovoltaic module frame, so that the cylindrical part is inserted into the fastening hole on the lower side wall of the clamping groove, and the upper end face of the cylindrical part is matched with the bottom end of the fastening hole on the C side of the photovoltaic module frame.

8. A waterproof structure for fitting into the frame of a photovoltaic module according to claim 3, characterized in that, The portion where the limiting stop meets the upper side wall of the clamping groove is provided with an arc transition section, and the arc transition section is fitted with the photovoltaic module frame with a gap.

9. A waterproof structure for fitting into the frame of a photovoltaic module according to claim 1, characterized in that, The water guide channel is a sheet metal part; and / or, the reinforcing part is a sheet metal part.

10. A photovoltaic system, characterized in that, The waterproof structure is provided according to any one of claims 1 to 9.

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