Anti-dust-deposition frame structure of photovoltaic module
By using sealant, potting compound, and bolt rod system in the frame of photovoltaic modules, the problem of dust accumulation at the bottom of photovoltaic modules was solved, improving the cleanliness and weather resistance of the modules and extending their service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HONGYUAN PHOTOENERGY (WUXI) CO LTD
- Filing Date
- 2026-04-02
- Publication Date
- 2026-05-19
AI Technical Summary
After installation, rainwater and tilt angle cause dust to accumulate at the bottom of photovoltaic modules, affecting photoelectric conversion efficiency and lifespan.
A frame structure for preventing dust accumulation in photovoltaic modules is designed. The gaps are filled with sealant and potting compound, and silicone is filled by the weight of the glass or by pressing. The frame distance is adjusted by a system of fixing columns and bolts to maintain stability.
It effectively prevents the accumulation of dust and moisture, improves the cleanliness and weather resistance of photovoltaic modules, and extends their service life.
Smart Images

Figure CN224264910U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of anti-dust frame structure for photovoltaic modules, specifically relating to an anti-dust frame structure for photovoltaic modules. Background Technology
[0002] The anti-dust frame structure of photovoltaic modules refers to a special structure designed on the edge of photovoltaic modules to prevent the accumulation of dust, dirt and other debris. This frame usually adopts a slanted or grooved design, so that dust can be smoothly slid off under the action of natural rain or wind, keeping the photovoltaic modules clean and improving their photoelectric conversion efficiency. In addition, the anti-dust frame can also enhance the weather resistance and service life of the modules, ensuring stable performance under various environmental conditions.
[0003] After photovoltaic modules are installed, they are exposed to the sun and accumulate dust. Due to rain and tilt, dust accumulates on the bottom of the modules. Therefore, the market needs a new device to solve the current problems. Utility Model Content
[0004] The purpose of this utility model is to provide a frame structure for preventing dust accumulation in photovoltaic modules, in order to solve the problem mentioned in the background art that after photovoltaic modules are installed, they are exposed to the sun and accumulate dust. Due to rain and tilt, a dust accumulation band will form at the bottom of the module. Therefore, the market needs a new device to solve the current problem.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a photovoltaic module anti-dust frame structure, comprising a frame body, the upper end of which is filled with sealant, a frame backrest at the upper end of which is provided, the inner side of which is filled with potting compound, a protruding structure at the upper end of which is provided, a double-glass laminate placed at the upper end of which is supported by the protruding structure, a fixing post installed at the inner side of which is installed, the fixing post being mounted to which is fixed by a stainless steel bolt fixed at the left end, a rotating plate installed at the right end of which is mounted to which is fixed by a rotating shaft at the left end and can rotate around the rotating shaft, a bolt rod fixed at the right end of which is mounted, and a threaded cylinder installed at the right end of which is mounted through a threaded structure on the outer wall.
[0006] Preferably, the frame body is filled with sealant at the upper end.
[0007] Preferably, the frame body supports the double-glass laminate at the upper position through a raised structure.
[0008] Preferably, the inner side of the frame against the mountain is filled with potting compound, and the potting compound has an inverted triangular shape.
[0009] Preferably, the side end face of the double-glass laminate contacts the frame backing.
[0010] Preferably, both the fixing column and the threaded cylinder are installed to the frame body by stainless steel bolts. A threaded hole is provided at the lower position of one end face of the frame body, and the stainless steel bolt is rotated into the threaded hole.
[0011] Preferably, the rotating plate rotates around the rotating shaft as the central axis, and the rotating plate controls the rotation of the bolt rod.
[0012] Preferably, the inner wall of the threaded cylinder is provided with a threaded structure, and the bolt rod enters the inner position of the threaded cylinder by rotation.
[0013] Compared with the prior art, this utility model provides a photovoltaic module anti-dust accumulation frame structure, which has the following beneficial effects:
[0014] 1. Apply connecting silicone to the laminate support platform. After assembling the frame, place the glass laminate on the frame assembly with silicone applied. Using the weight of the glass or after a second press, the silicone will overflow from the side and fill the gap between the frame and the glass. The amount of overflowing silicone will vary. The excess part will be cleaned and cut off after the component has cured. If there is little overflow, no additional silicone will be needed. Just make sure there is no overflowing silicone on the front surface of the component.
[0015] 2. In order to maintain the distance between the two frame bodies, this device has a fixed post and a threaded cylinder installed on the lower inner side of the two frame bodies respectively. The fixed post and the threaded cylinder are connected by a bolt rod. The distance between the two frames is adjusted according to the length of the double-glass laminate. During adjustment, the rotating plate is rotated so that it rotates around the rotating axis as the center axis, so that the bolt rod moves in the hole of the threaded cylinder, thereby maintaining the stability of the frame body. Attached Figure Description
[0016] Figure 1 This is a front view schematic diagram of a photovoltaic module anti-dust accumulation frame structure according to the present invention.
[0017] Figure 2 This is a partially enlarged schematic diagram of a photovoltaic module anti-dust accumulation frame structure according to the present invention.
[0018] Figure 3 This is a schematic diagram of a fixed column structure for a photovoltaic module anti-dust frame structure according to the present invention.
[0019] Figure 4This is a cross-sectional schematic diagram of a fixing column for a photovoltaic module anti-dust frame structure according to the present invention.
[0020] In the diagram: 1. Main frame; 2. Frame backing; 3. Potting compound; 4. Sealant; 5. Raised structure; 6. Double-glazed laminate; 7. Threaded cylinder; 8. Bolt rod; 9. Rotating plate; 10. Fixing column; 11. Stainless steel bolt; 12. Rotating shaft. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0022] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" 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 a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0024] The utility model provides, for example Figure 1-4The photovoltaic module anti-dust frame structure shown includes a frame body 1, with sealant 4 filling the upper part of the frame body 1, a frame backrest 2 set at the upper part of the frame body 1, potting compound 3 filling the inner side of the frame backrest 2, a protruding structure 5 set at the upper part of the frame body 1, a double-glass laminate 6 placed at the upper part of the frame body 1 through the protruding structure 5, a fixing post 10 installed at the inner side of the frame body 1, the fixing post 10 being installed to the frame body 1 by a stainless steel bolt 11 fixed at the left end, a rotating plate 9 installed at the right end of the fixing post 10, the rotating plate 9 being installed to the fixing post 10 through a rotating shaft 12 at the left end, and being able to rotate around the rotating shaft 12 as the center axis, a bolt rod 8 fixed at the right end of the rotating plate 9, and a threaded cylinder 7 installed at the right end of the bolt rod 8 through the threaded structure of the outer wall.
[0025] Apply connecting silicone to the laminate support platform. After assembling the frame, place the glass laminate on the frame assembly with silicone applied. Using the weight of the glass or after a second press, the silicone overflows from the side upwards to fill the gap between the frame and the glass. The amount of overflowing silicone varies. The excess is cleaned and cut off after the component has cured. If there is little overflow, no additional silicone is needed. Just make sure there is no overflowing silicone on the front surface of the component.
[0026] like Figure 1 and Figure 2 As shown, the frame body 1 is filled with sealant 4 at the upper position. The frame body 1 supports the double glass laminate 6 at the upper position through the protruding structure 5. The inner side of the frame backing 2 is filled with potting compound 3. The potting compound 3 has an inverted triangular shape. The side end face of the double glass laminate 6 contacts the frame backing 2.
[0027] The double-glazed laminate 6 is placed on the frame and has two main contact areas. The frame support protrusion contacts the back glass or back panel, and the side of the laminate contacts the side of the frame. The filling area is a silicone area, which is divided into two parts. The silicone in the bottom flat structure area is structural adhesive or silicone sealant 4, which mainly serves to connect and fix the laminate. The side area uses a highly fluid potting compound 3, which mainly serves to fill and seal the gap between the laminate and the frame to prevent dust and water from seeping into the interior of the laminate.
[0028] like Figure 1 and Figure 3As shown, the fixed column 10 and the threaded cylinder 7 are both installed to the frame body 1 by stainless steel bolts 11. A threaded hole is provided at the lower position of one end face of the frame body 1. The stainless steel bolt 11 enters the threaded hole by rotation. The rotating plate 9 rotates around the rotating shaft 12 as the center axis. The rotating plate 9 controls the bolt rod 8 to rotate. The inner wall of the threaded cylinder 7 is provided with a threaded structure. The bolt rod 8 enters the inner position of the threaded cylinder 7 by rotation.
[0029] A fixing post 10 and a threaded cylinder 7 are respectively installed on the lower inner side of the two frame bodies 1. The fixing post 10 and the threaded cylinder 7 are connected by a bolt rod 8. The distance between the two frames is adjusted according to the length of the double-glass laminate 6. During adjustment, the rotating plate 9 is rotated so that it rotates around the rotating shaft 12 as the center axis, so that the bolt rod 8 moves in the hole of the threaded cylinder 7, thereby maintaining the stability of the frame body 1.
[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is 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 photovoltaic module anti-dust accumulation frame structure, characterized in that, The frame includes a frame body (1), the upper part of which is filled with sealant (4), a frame backrest (2) is provided at the upper part of the frame body (1), the inner side of the frame backrest (2) is filled with potting compound (3), a protruding structure (5) is provided at the upper part of the frame body (1), a double-glass laminate (6) is placed at the upper part of the frame body (1) through the protruding structure (5), and a fixing post (10) is installed at the inner side of the frame body (1). The frame body (1) is installed by a stainless steel bolt (11) fixed at the left end. A rotating plate (9) is installed at the right end of the fixed column (10). The rotating plate (9) is installed with the fixed column (10) via a rotating shaft (12) at the left end. The rotating plate (9) can rotate around the rotating shaft (12) as the center axis. A bolt rod (8) is fixed at the right end of the rotating plate (9). A threaded cylinder (7) is installed at the right end of the bolt rod (8) via a threaded structure on the outer wall.
2. The photovoltaic module anti-dust accumulation frame structure according to claim 1, characterized in that: The frame body (1) is filled with sealant (4) at the upper position.
3. The photovoltaic module anti-dust accumulation frame structure according to claim 1, characterized in that: The frame body (1) supports the double-glass laminate (6) at the upper position through the protruding structure (5).
4. The photovoltaic module anti-dust accumulation frame structure according to claim 1, characterized in that: The inner side of the frame backing (2) is filled with potting compound (3), and the potting compound (3) has an inverted triangular shape.
5. The photovoltaic module anti-dust accumulation frame structure according to claim 1, characterized in that: The side end face of the double-glass laminate (6) contacts the frame backing (2).
6. The photovoltaic module anti-dust accumulation frame structure according to claim 1, characterized in that: The fixed column (10) and the threaded cylinder (7) are both installed on the frame body (1) by stainless steel bolts (11). A threaded hole is provided at the lower end face of one side of the frame body (1), and the stainless steel bolt (11) is rotated into the threaded hole.
7. The photovoltaic module anti-dust accumulation frame structure according to claim 1, characterized in that: The rotating plate (9) rotates around the rotating shaft (12) as the center axis, and the rotating plate (9) controls the bolt rod (8) to rotate.
8. The photovoltaic module anti-dust accumulation frame structure according to claim 7, characterized in that: The inner wall of the threaded cylinder (7) is provided with a threaded structure, and the bolt rod (8) enters the inner position of the threaded cylinder (7) by rotation.