Drainage structure for photovoltaic module

Abstract

The drainage structure comprises a photovoltaic supporting frame, a photovoltaic panel is fixedly installed at the upper end of the photovoltaic supporting frame, a water collecting groove plate is installed on the side edge of the front end of the photovoltaic panel, a drainage groove is formed in the inner side of the water collecting groove plate, and conical separation discs are installed at the two ends of the drainage groove respectively. A plurality of filtering holes are formed in the upper end face of the conical separation disc, a transmission rod is installed on the inner side of the middle of the conical separation disc, fan blades are arranged at the bottom end of the transmission rod, a limiting ring is rotationally connected to the outer side of the middle of the transmission rod, a flow guide sleeve is installed on the outer side of the limiting ring, and a plurality of water outlets are formed in the outer surface of the flow guide sleeve. Supporting bases are installed at the two end corners of the front end of the photovoltaic supporting frame, and shock pads are installed in the middles of the supporting bases. Rainwater on the surface of the photovoltaic panel is collected and directionally drained, so that stable flowing of the rainwater can be effectively kept, and drainage blockage caused by fallen leaves or dust is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic equipment, in particular to a drainage structure for photovoltaic modules. Background Technique

[0002] The photovoltaic equipment industry exists as a supporting industry for the photovoltaic industry. As the world's largest producer of solar cells, the development of the solar cell industry in China has driven the overall rise of the photovoltaic industry, thus giving birth to China's photovoltaic equipment industry. Photovoltaic is short for solar photovoltaic power generation system, which is a new type of power generation system that uses the photovoltaic effect of semiconductor materials in solar cells to directly convert solar light radiation energy into electrical energy. It has two operation modes: independent operation and grid-connected operation. During the process of using photovoltaic power generation, it is necessary to drain the rainwater on the surface of the photovoltaic panel.

[0003] When there is rainwater on the surface of the existing photovoltaic panel, it is not convenient to carry out centralized drainage operations, which is likely to cause water seepage in the application scenarios of photovoltaic modules, and it is not possible to continuously drain water when there are fallen leaves or dust; therefore, it does not meet the existing requirements, and for this reason, we propose a drainage structure for photovoltaic modules. Content of the Utility Model

[0004] The purpose of the utility model is to provide a drainage structure for photovoltaic modules, so as to solve the problems raised in the above background technique that when there is rainwater on the surface of the existing photovoltaic panel, it is not convenient to carry out centralized drainage operations, which is likely to cause water seepage in the application scenarios of photovoltaic modules, and it is not possible to continuously drain water when there are fallen leaves or dust.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A drainage structure for photovoltaic modules, including a photovoltaic support frame, a photovoltaic panel is fixedly installed at the upper end of the photovoltaic support frame, a water collection trough plate is installed on the side of the front end of the photovoltaic panel, a drainage trough is arranged inside the water collection trough plate, conical separation discs are installed at both ends of the drainage trough, a plurality of filter holes are arranged on the upper end surface of the conical separation discs, a transmission rod is installed inside the middle of the conical separation discs, a fan blade is arranged at the bottom end of the transmission rod, a limiting ring is rotatably connected to the outer side of the middle of the transmission rod, a diversion sleeve is installed on the outer side of the limiting ring, and a plurality of water outlet holes are arranged on the outer surface of the diversion sleeve.

[0006] Preferably, support seats are installed at both end corners of the front end of the photovoltaic support frame, a shock pad is installed in the middle of the support seats, a positioning rod is installed inside the shock pad, and a locking ring is installed at the bottom end of the positioning rod.

[0007] Preferably, the front end of the photovoltaic support frame is fixedly connected to both support seats, both ends of the water collecting trough plate are connected to the middle parts of the two support seats through two shock pads, the upper ends of the four positioning rods sequentially penetrate through the locking ring, the support seat and the shock pad and are fixedly connected to the water collecting trough plate, and the bottom end of the positioning rod is threadedly connected to the locking ring.

[0008] Preferably, a sealing pad is provided between the front end of the photovoltaic panel and the water collecting trough plate, the water collecting trough plate and the support seat are fixedly connected through the positioning rod and the locking ring, and the drainage trough and the diversion sleeve are connected through a plurality of filtering holes.

[0009] Preferably, the bottom end of the transmission rod penetrates through the conical partition plate, the limiting ring and the diversion sleeve and is fixedly connected to the fan blade, and the transmission rod is movably connected to the diversion sleeve.

[0010] Preferably, the limiting ring is threadedly connected to the diversion sleeve, and antioxidant layers are provided on the surfaces of the water collecting trough plate, the diversion sleeve, the fan blade, the conical partition plate, the transmission rod and the limiting ring.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. A sealing pad is provided between the photovoltaic panel and the water collecting trough plate of the present utility model, and the bottom end of the positioning rod is threadedly connected to the locking ring. When the locking ring locks the support seat, the support seat can elastically support the water collecting trough plate through the shock pad, maintaining the elastic stability of the water collecting trough plate during the drainage process. The water collecting trough plate can collect the rainwater on the surface of the photovoltaic panel through the drainage trough. The upper end surface of the conical partition plate is provided with a plurality of filtering holes, so that the conical partition plate can filter and convey the rainwater collected by the water collecting trough plate to the inside of the diversion sleeve through the filtering holes. Then, the diversion sleeve can centrally discharge the rainwater through a plurality of water outlets;

[0013] 2. When there is an air flow in the air, the air flow drives the transmission rod to rotate and rise inside the diversion sleeve and the limiting ring through the fan blade. Then, the transmission rod drives the conical partition plate to separate from the inner wall of the water collecting trough plate, facilitating an increase in the drainage volume and the removal of the dust accumulated inside the water collecting trough plate, and thus facilitating the cleaning of the inside of the water collecting trough plate. The limiting ring can limit the upward movement of the transmission rod, and the limiting ring is threadedly connected to the diversion sleeve, so that the limiting ring can control the separation degree of the conical partition plate from the water collecting trough plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the whole of the present utility model;

[0015] Figure 2 is a schematic partial structural diagram of the whole of the present utility model;

[0016] Figure 3 This is a partial cross-sectional structural view of the water collection trough plate of the present utility model;

[0017] Figure 4 This is a partial cross-sectional structural view of the diversion sleeve of the present utility model.

[0018] In the figure: 1, photovoltaic support frame; 2, photovoltaic panel; 3, water collection trough plate; 4, support seat; 5, positioning rod; 6, locking ring; 7, diversion sleeve; 8, fan blade; 9, water outlet; 10, shock pad; 11, drainage trough; 12, conical partition plate; 13, transmission rod; 14, limiting ring; 15, filtering hole. Specific embodiments

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0020] Please refer to Figures 2 to 4 , an embodiment provided by the present utility model: A drainage structure for a photovoltaic module, including a photovoltaic support frame 1, a photovoltaic panel 2 is fixedly installed at the upper end of the photovoltaic support frame 1, a water collection trough plate 3 is installed on the side of the front end of the photovoltaic panel 2, a drainage trough 11 is arranged inside the water collection trough plate 3, conical partition plates 12 are installed at both ends of the drainage trough 11, and a plurality of filtering holes 15 are arranged on the upper end surface of the conical partition plate 12, so that the conical partition plate 12 can filter the rainwater collected by the water collection trough plate 3 through the filtering holes 15;

[0021] A transmission rod 13 is installed inside the middle of the conical partition plate 12, a fan blade 8 is arranged on the transmission rod 13, a limiting ring 14 is rotatably connected to the outer side of the middle of the transmission rod 13, a diversion sleeve 7 is installed on the outer side of the limiting ring 14, the drainage trough 11 and the diversion sleeve 7 are connected through a plurality of filtering holes 15 in a through manner, the transmission rod 13 penetrates through the conical partition plate 12, the limiting ring 14 and the diversion sleeve 7 and is fixedly connected to the fan blade 8, the transmission rod 13 is movably connected to the diversion sleeve 7, the limiting ring 14 is threadedly connected to the diversion sleeve 7, and a plurality of water outlets 9 are arranged on the outer surface of the diversion sleeve 7, and the diversion sleeve 7 can centrally discharge the rainwater through the plurality of water outlets 9.

[0022] Please refer to Figures 1 to 3, support seats 4 are installed at both front end corners of the photovoltaic support frame 1. A shock pad 10 is installed in the middle of the support seat 4. A positioning rod 5 is installed inside the shock pad 10. A locking ring 6 is installed on the positioning rod 5. The front end of the photovoltaic support frame 1 is fixedly connected to both support seats 4. Both ends of the water collection trough plate 3 are connected to the middle parts of the two support seats 4 through two shock pads 10. The upper ends of the four positioning rods 5 sequentially penetrate through the locking ring 6, the support seat 4 and the shock pad 10 and are fixedly connected to the water collection trough plate 3. The positioning rod 5 is threadedly connected to the locking ring 6. When the locking ring 6 locks the support seat 4, the support seat 4 can elastically support the water collection trough plate 3 through the shock pad 10, maintaining the elastic stability of the water collection trough plate 3 during the drainage process;

[0023] A sealing pad is provided between the front end of the photovoltaic panel 2 and the water collection trough plate 3. The water collection trough plate 3 and the support seat 4 are fixedly connected through the positioning rod 5 and the locking ring 6. Antioxidant layers are provided on the surfaces of the water collection trough plate 3, the diversion sleeve 7, the fan blade 8, the conical separation plate 12, the transmission rod 13 and the limit ring 14 to avoid corrosion during the drainage process and extend the service life.

[0024] During use, the photovoltaic panel 2 is fixed to the upper end of the photovoltaic support frame 1. After the power is turned on, the photovoltaic panel 2 can convert light energy into electrical energy. A sealing pad is provided between the photovoltaic panel 2 and the water collection trough plate 3. The upper end of the positioning rod 5 penetrates through the locking ring 6, the support seat 4 and the shock pad 10 and is fixedly connected to the water collection trough plate 3. The positioning rod 5 is threadedly connected to the locking ring 6. Thus, when the locking ring 6 locks the support seat 4, the support seat 4 can elastically support the water collection trough plate 3 through the shock pad 10, maintaining the elastic stability of the water collection trough plate 3 during the drainage process;

[0025] A drainage groove 11 is provided inside the water collection trough plate 3, enabling the water collection trough plate 3 to collect the rainwater on the surface of the photovoltaic panel 2 through the drainage groove 11. Conical separation plates 12 are installed on the inner sides of both ends of the water collection trough plate 3, and a plurality of filter holes 15 are provided on the upper end surface of the conical separation plate 12, enabling the conical separation plate 12 to filter the rainwater collected by the water collection trough plate 3 through the filter holes 15 and convey it to the inside of the diversion sleeve 7. Then, the diversion sleeve 7 can centrally discharge the rainwater through a plurality of water outlets 9;

[0026] When there is an air current in the air, the air current drives the transmission rod 13 to rotate and rise inside the diversion sleeve 7 and the limit ring 14 through the fan blade 8. Then, the transmission rod 13 drives the conical separation plate 12 to separate from the inner wall of the water collection trough plate 3, facilitating an increase in the drainage volume and the removal of the dust accumulated inside the water collection trough plate 3. Thus, it is convenient to clean the inside of the water collection trough plate 3. The limit ring 14 can limit the upward movement of the transmission rod 13, and the limit ring 14 is threadedly connected to the diversion sleeve 7, enabling the limit ring 14 to control the separation degree of the conical separation plate 12 from the water collection trough plate 3.

[0027] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A drainage structure for a photovoltaic module, comprising a photovoltaic support frame (1), characterized in that: A photovoltaic panel (2) is fixedly mounted on the upper end of the photovoltaic support frame (1), a water collecting trough plate (3) is mounted on the side of the front end of the photovoltaic panel (2), a drainage trough (11) is arranged on the inner side of the water collecting trough plate (3), conical partition plates (12) are mounted on both ends of the drainage trough (11), a plurality of filter holes (15) are arranged on the upper end surface of the conical partition plate (12), a transmission rod (13) is mounted on the inner side of the middle part of the conical partition plate (12), a fan blade (8) is arranged on the bottom end of the transmission rod (13), the outer side of the middle part of the transmission rod (13) is rotatably connected to a limit ring (14), a flow guide sleeve (7) is mounted on the outer side of the limit ring (14), and a plurality of water outlets (9) are arranged on the outer surface of the flow guide sleeve (7).

2. A drainage structure for a photovoltaic module according to claim 1, characterized in that: A support seat (4) is installed at both end corners of the front end of the photovoltaic support frame (1), a shock-absorbing pad (10) is installed in the middle of the support seat (4), a positioning rod (5) is installed on the inner side of the shock-absorbing pad (10), and a locking ring (6) is installed at the bottom end of the positioning rod (5).

3. A drainage structure for a photovoltaic module according to claim 2, characterized in that: The front end of the photovoltaic support frame (1) is fixedly connected to the two support seats (4), the two ends of the water collecting trough plate (3) are connected to the middle parts of the two support seats (4) via two shock absorbing pads (10), the upper ends of the four positioning rods (5) pass through the locking ring (6), the support seat (4) and the shock absorbing pad (10) in sequence and are fixedly connected to the water collecting trough plate (3), and the bottom ends of the positioning rods (5) are connected to the locking ring (6) via threads.

4. A drainage structure for a photovoltaic module according to claim 3, characterized in that: A sealing gasket is provided between the front end of the photovoltaic panel (2) and the water collecting trough plate (3); the water collecting trough plate (3) and the support seat (4) are fixedly connected via a positioning rod (5) and a locking ring (6); and the drainage trough (11) and the guide sleeve (7) are connected via a plurality of filter holes (15).

5. A drainage structure for a photovoltaic module according to claim 4, characterized in that: The bottom end of the transmission rod (13) passes through the conical separation plate (12), the limiting ring (14) and the flow guide sleeve (7) and is fixedly connected to the fan blade (8); the transmission rod (13) is movably connected to the flow guide sleeve (7).

6. A drainage structure for a photovoltaic module according to claim 5, characterized in that: The limiting ring (14) is connected to the guide sleeve (7) via threads, and surfaces of the water collecting trough plate (3), the guide sleeve (7), the fan blades (8), the conical separating plate (12), the transmission rod (13) and the limiting ring (14) are all provided with an anti-oxidation layer.

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