A dust-proof frame and photovoltaic module thereof

Abstract

The utility model belongs to solar cell technical field discloses a kind of anti-dust frame, including a pair of short frame (1) and a pair of long frame (2), at least one of a pair of the short frame (1) and a pair of the long frame (2) is first type frame, the first type frame includes A face (11), the A face (11) is provided with a plurality of along the length direction interval arrangement of A face (11) drain port (4).The utility model further discloses photovoltaic module.The utility model has at least one first type frame with drain port in A face, when installing photovoltaic module in inclination and setting first type frame in low position, rainwater, dust and other substances falling on the upper surface of laminated part can be discharged outside frame through drain port, reduce the accumulation of dust and rainwater in the front lower end of photovoltaic module, both can play the advantage of A face frame installation convenient, also solve the problem of dust, reduce the shading of dust to photovoltaic module, improve the power generation of photovoltaic module and reduce the cleaning cost of photovoltaic module.

Description

Technical Field

[0001] This utility model relates to the field of solar cell technology, specifically to an anti-dust frame and its photovoltaic module. Background Technology

[0002] Photovoltaic modules are a technology that uses the photoelectric effect of semiconductor materials to directly convert solar energy into electrical energy. The core principle is that when sunlight shines on a photovoltaic material (such as silicon), photons excite electrons to generate charge separation, which is then collected through electrodes to form an electric current.

[0003] Conventional photovoltaic modules have an A-side on their frame, which is higher than the front glass of the laminate. When photovoltaic modules are used outdoors for a long time, dust and water tend to accumulate on the edges of the frame. This dust and water can gradually build up to a certain thickness, which not only affects the overall power generation but also easily causes hot spot effects, leading to cell corrosion. Severe dust accumulation can even cause the module to short-circuit and catch fire.

[0004] To address the issue of dust accumulation in photovoltaic modules, the industry typically employs a frameless A-side design. However, frameless A-side modules are prone to breakage during installation. Utility Model Content

[0005] The purpose of this invention is to provide a dust-proof frame to solve the problem of dust accumulation in photovoltaic modules with A-side frames that are used outdoors for a long time.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a dust-proof frame, including a pair of short frames and a pair of long frames, at least one of the pair of short frames and the pair of long frames is a first type of frame, the first type of frame includes an A-side, and the A-side is provided with a plurality of vents arranged at intervals along the length direction of the A-side.

[0007] In some embodiments, the vent penetrates the A-side along the thickness direction of the A-side; The vent extends through surface A along its width.

[0008] In some embodiments, the first type of border further includes a border body and an extension extending along the length of the border body and upward along the outer edge of the border body, wherein surface A is fixed to the top of the extension and located above the border body.

[0009] In some embodiments, the vent has a first sidewall and a second sidewall; Along the direction away from the extension, the distance between the first sidewall and the second sidewall continuously increases.

[0010] In some embodiments, the inner side surface opposite to the extension of surface A has a rounded transition at the junction of the first sidewall and the inner side surface, and a rounded transition at the junction of the second sidewall and the inner side surface.

[0011] In some embodiments, the second sidewall of a vent is connected to the first sidewall of an adjacent vent, and the connection point is rounded.

[0012] In some embodiments, both the first sidewall and the second sidewall are arc-shaped surfaces.

[0013] In some embodiments, both the short frame and the long frame have cavities, and the short frame and the long frame are connected to form a rectangular frame by corner brackets inserted into the cavities.

[0014] In some embodiments, both the short frame and the long frame have a D-side, and the end face of the corner bracket facing the D-side is provided with multiple teeth.

[0015] A photovoltaic module includes a laminate and a frame disposed around the laminate, the frame being the aforementioned dust-proof frame.

[0016] Due to the application of the above technical solution, the beneficial effects of this utility model compared with the prior art are as follows: The dust-proof frame of this utility model has at least one first-type frame with a vent on side A. When the photovoltaic module is installed at an angle and the first-type frame is set at a low position, rainwater, dust and other substances falling on the surface of the laminate can be discharged outside the frame through the vent, reducing the accumulation of dust and rainwater on the lower front of the photovoltaic module. This not only takes advantage of the convenient installation of the side A frame, but also solves the dust accumulation problem, reduces the shading of the photovoltaic module by dust, increases the power generation of the photovoltaic module and reduces the cleaning cost of the photovoltaic module. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of a photovoltaic module in one embodiment of the present invention; Figure 2 This is a partial structural diagram of the first type of border in one embodiment of the present invention; Figure 3This is a schematic diagram of the structure of a first type of frame with corner brackets connected in one embodiment of the present invention. Detailed Implementation

[0019] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0020] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of the utility model described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0021] In this invention, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this invention and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0022] Furthermore, in addition to indicating direction or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.

[0023] Furthermore, the terms "installation," "setup," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this utility model based on the specific circumstances.

[0024] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.

[0025] Please see Figures 1 to 3 This utility model provides a dust-proof frame, including a pair of short frames 1 and a pair of long frames 2. At least one of the pair of short frames 1 and the pair of long frames 2 is a first type of frame. The first type of frame includes an A-side 11, and the A-side 11 is provided with a plurality of vents 4 arranged at intervals along the length direction of the A-side 11.

[0026] When photovoltaic modules are installed at an angle and the first type of frame is set at a low position, rainwater, dust and other substances falling on the front glass can be discharged through the drain 4, reducing the accumulation of dust and rainwater at the lower end of the front of the photovoltaic module. This not only takes advantage of the convenient installation of the frame on side A11, but also solves the dust accumulation problem, thereby reducing the shading of the photovoltaic module by dust and reducing the risk of hot spot effect, battery corrosion or fire.

[0027] In some embodiments, the vent 4 penetrates the A-surface 11 along the thickness direction and along the width direction of the A-surface 11, so that the vent 4 can discharge rainwater and dust falling on the upper surface of the laminate 3 within the frame.

[0028] In some embodiments, the first type of frame further includes a frame body 12, the top of which has a support platform 120 for supporting the laminate 3. The first type of frame also includes an extension 13 extending along the length of the frame body 12 and extending upward along the outer edge of the frame body 12. The extension 13 is used to protect the sides of the laminate 3 and limit the position of the laminate 3. A-face 11 is fixed to the top of the extension 13 and located above the frame body 12. A-face 11, the extension 13, and the support platform 120 form a mounting opening 10 for encapsulating the edge of the laminate 3. The laminate 3 is fixed in the mounting opening 10 by adhesive.

[0029] In some embodiments, the vent 4 has a first sidewall 41 and a second sidewall 42. Along the direction away from the extension 13, the distance between the first sidewall 41 and the second sidewall 42 continuously increases, so that rainwater and dust falling on the surface of the laminate 3 continuously converge towards the vent 4, and then discharge the photovoltaic module from the vent 4.

[0030] In some embodiments, surface A 11 has an inner surface 110 opposite to the extension 13, the junction of the first sidewall 41 and the inner surface 110 is rounded, and the junction of the second sidewall 42 and the inner surface 110 is also rounded, so as to avoid the junction of the second sidewall 42 and the inner surface 110 blocking dust and rainwater, thereby causing dust and rainwater to accumulate at the junction of the second sidewall 42 and the inner surface 110.

[0031] In some embodiments, the second sidewall 42 of a vent 4 is connected to the first sidewall 41 of an adjacent vent 4, and the connection part is rounded to further reduce the accumulation of dust and rainwater on the inner sidewall 11 of surface A 11.

[0032] In some embodiments, both the first sidewall 41 and the second sidewall 42 are arc-shaped surfaces. During the process of discharging fluids such as dust and rainwater outward from the discharge port 4, the arc-shaped first sidewall 41 and the second sidewall 42 can effectively reduce sharp turns or changes in fluid flow, reduce frictional resistance between the fluid and the sidewalls, and improve the discharge efficiency of the discharge port 4. At the same time, the arc-shaped first sidewall 41 and the second sidewall 42 can more effectively guide the fluid to converge towards the end of the discharge port 4, reduce fluid turbulence, and increase the discharge speed.

[0033] In some embodiments, an anti-overflow adhesive groove 111 is provided on the inner side of surface A 11. The anti-overflow adhesive groove 111 can store adhesive and reduce the risk of adhesive overflowing onto the front surface of the laminate 3 during the encapsulation of the photovoltaic module.

[0034] In some implementations, the anti-dust border can be: one short border 1 is a first type border, and the other three borders are other types of borders; or, two short borders 1 are first type borders, and two long borders 2 are other types of borders; or, one long border 2 is a first type border, and the other three borders are other types of borders; or, both long borders 2 and two short borders 1 are first type borders.

[0035] In some embodiments, both the short frame 1 and the long frame 2 have cavities, and the short frame 1 and the long frame 2 are connected to form a rectangular frame by corner brackets 5 inserted into the cavities.

[0036] In some embodiments, both the short frame 1 and the long frame 2 have a D-face 121, and the end face of the corner bracket 5 facing the D-face 121 is provided with a plurality of teeth 50.

[0037] This utility model provides a photovoltaic module, including a laminate 3 and a frame surrounding the laminate 3, the frame being a dust-proof frame.

[0038] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A dust-proof frame, comprising a pair of short frames (1) and a pair of long frames (2), characterized in that, At least one of the pair of short borders (1) and the pair of long borders (2) is a first type of border, the first type of border including an A-side (11), the A-side (11) being provided with a plurality of vents (4) spaced apart along the length direction of the A-side (11).

2. The anti-dust-accumulation frame as described in claim 1, characterized in that, Along the thickness direction of surface A (11), the vent (4) penetrates surface A (11). Along the width direction of surface A, the vent (4) penetrates surface A (11).

3. The anti-dust-accumulation frame as described in claim 1, characterized in that, The first type of border also includes a border body (12) and an extension (13) extending along the length direction of the border body (12) and extending upward along the outer edge of the border body (12), wherein the A-side (11) is fixed on the top of the extension (13) and located above the border body (12).

4. The anti-dust-accumulation frame as described in claim 3, characterized in that, The vent (4) has a first sidewall (41) and a second sidewall (42); Along the direction away from the extension (13), the distance between the first sidewall (41) and the second sidewall (42) continuously increases.

5. The anti-dust-accumulation frame as described in claim 4, characterized in that, The A-side (11) has an inner side surface (110) opposite to the extension (13), the first sidewall (41) and the inner side surface (110) are connected by a rounded transition, and the second sidewall (42) and the inner side surface (110) are connected by a rounded transition.

6. The anti-dust-accumulation frame as described in claim 4, characterized in that, The second sidewall (42) of one of the vents (4) is connected to the first sidewall (41) of the adjacent vent (4) and the connection part is rounded.

7. The anti-dust-accumulation frame as described in claim 4, characterized in that, Both the first sidewall (41) and the second sidewall (42) are arc-shaped surfaces.

8. The anti-dust-accumulation frame as described in any one of claims 1 to 7, characterized in that, Both the short frame (1) and the long frame (2) have cavities, and the short frame (1) and the long frame (2) are connected to form a rectangular frame by corner brackets (5) inserted into the cavities.

9. The anti-dust-accumulation frame as described in claim 8, characterized in that, Both the short frame (1) and the long frame (2) have a D-side (121), and the corner bracket (5) has multiple teeth (50) on its end face facing the D-side (121).

10. A photovoltaic module, characterized in that, It includes a laminate (3) and a border surrounding the laminate (3), the border being an anti-dust border as described in any one of claims 1 to 9.

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