Photovoltaic grid-connected power generation device

Abstract

The utility model belongs to the field of photovoltaic grid-connected power generation, particularly relates to a photovoltaic grid-connected power generation device, and aims to solve the problems that the power generation efficiency is influenced, time and labor are wasted in manual cleaning and inconvenience is caused because the conventional photovoltaic panel is arranged outdoors and dust is easily attached to the surface of the photovoltaic panel to shield sunlight after the photovoltaic panel is used for a long time. The photovoltaic module comprises a plurality of photovoltaic panels mounted at the top end of the bracket, the plurality of photovoltaic panels are arranged side by side, upper mounting plates are fixedly arranged at the top ends of the photovoltaic panels, lower mounting plates are fixedly arranged at the bottom ends of the photovoltaic panels, and guide grooves are formed in one sides of the upper mounting plates and one sides of the lower mounting plates; the movable plate is arranged on the surface of the photovoltaic panel, and two movable wheels are rotationally connected to the inner wall of the top of the movable plate. Dust on the surface of the photovoltaic panel can be automatically cleaned, the power generation efficiency of the photovoltaic panel is ensured, a hose can be limited, the hose is prevented from being in contact with a gear and teeth, and the service life of the hose is prolonged. And stable operation of the structure is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic grid-connected power generation, in particular to a photovoltaic grid-connected power generation device. Background Art

[0002] Solar photovoltaic power generation relies on solar cell modules to convert light energy into electrical energy by utilizing the electronic characteristics of semiconductor materials. The grid-connected power generation system converts the received solar radiation energy through a high-frequency DC conversion into high-voltage direct current, and after inversion by an inverter, outputs a sinusoidal alternating current with the same frequency and phase as the grid voltage to the grid.

[0003] Since the photovoltaic panels are installed outdoors, after long-term use, dust is likely to adhere to the surface of the photovoltaic panels, blocking sunlight and affecting the power generation efficiency. Manual cleaning is time-consuming and laborious, and is rather inconvenient.

[0004] Therefore, we propose a photovoltaic grid-connected power generation device. Content of the Utility Model

[0005] The purpose of the utility model is to solve the disadvantages in the prior art that the photovoltaic panels are installed outdoors, and after long-term use, dust is likely to adhere to the surface of the photovoltaic panels, blocking sunlight and affecting the power generation efficiency. Manual cleaning is time-consuming and laborious, and is rather inconvenient, and to propose a photovoltaic grid-connected power generation device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A photovoltaic grid-connected power generation device, comprising:

[0008] A plurality of photovoltaic panels installed at the top of the bracket, the plurality of photovoltaic panels are arranged side by side, upper mounting plates are fixedly provided at the tops of the photovoltaic panels, lower mounting plates are fixedly provided at the bottoms of the photovoltaic panels, and guiding grooves are formed on one sides of the upper mounting plates and one sides of the lower mounting plates;

[0009] It further includes a moving plate, the moving plate is arranged on the surface of the photovoltaic panel, two moving wheels are rotatably connected to the inner wall of the top of the moving plate, the moving wheels are matched with the guiding grooves, a mounting pipe is fixedly provided on one side of the moving plate, a brush is provided at the bottom of the mounting pipe, and a plurality of through holes are formed at the bottom of the mounting pipe;

[0010] A driving mechanism, the driving mechanism is arranged on one side of the moving plate and is used for driving the moving plate to move;

[0011] A water supply mechanism, the water supply mechanism is arranged on one side of the photovoltaic panel and is used for supplying water to the mounting pipe.

[0012] In a possible design, the driving mechanism includes a micro motor and a plurality of teeth. The micro motor is fixedly arranged on one side of the moving plate, one end of the output shaft of the micro motor is fixedly provided with a gear, and the plurality of teeth are evenly distributed on one side of the upper mounting plate, and the gear meshes with the teeth.

[0013] In a possible design, the water supply mechanism includes a water pump. The water pump is installed on one side of the bracket. The water inlet end of the water pump is fixedly communicated with a water inlet pipe, the other end of the water inlet pipe is connected to a water source, the water outlet end of the water pump is fixedly communicated with a hose, and the other end of the hose is fixedly communicated with one end of the installation pipe.

[0014] In a possible design, two positioning grooves are formed on one side of the lower mounting plate, and two positioning columns are integrally formed on the other side of the lower mounting plate, and the positioning columns are matched with the positioning grooves.

[0015] In a possible design, a drainage groove is provided on one side of the lower mounting plate.

[0016] In a possible design, a same limiting rod is fixedly arranged on one side of the two upper mounting plates at both ends, and two symmetrically arranged extension blocks are integrally formed on the edge of the limiting rod.

[0017] In this application, during use, the water pump is started to extract water. The water body enters the installation pipe through the hose and flows to the brush hairs and the surface of the photovoltaic panel through the through holes. Then, the micro motor is started to drive the gear to rotate. Under the cooperation of the gear and the teeth, the moving plate and the moving wheels move along the guiding groove, so that the brush hairs clean the surface of the photovoltaic panel, and the sewage after cleaning flows into the drainage groove and then is discharged from both ends of the photovoltaic panel.

[0018] Beneficial effects:

[0019] In the present utility model, for the photovoltaic grid-connected power generation device, through the arrangement of multiple structures such as the moving plate, the installation pipe and the brush hairs, the dust on the surface of the photovoltaic panel can be automatically cleaned without manual cleaning, ensuring the power generation efficiency of the photovoltaic panel;

[0020] In the present utility model, for the photovoltaic grid-connected power generation device, through the arrangement of the limiting rod and the extension blocks, the limiting rod can limit the hose to prevent the hose from contacting the gear and the teeth, ensuring the stable operation of the structure;

[0021] In the present utility model, the dust on the surface of the photovoltaic panel can be automatically cleaned, ensuring the power generation efficiency of the photovoltaic panel, and the hose can also be limited to prevent the hose from contacting the gear and the teeth, ensuring the stable operation of the structure. Description of the drawings

[0022] Figure 1 It is a schematic three-dimensional structure diagram of the overall photovoltaic grid-connected power generation device proposed by the present utility model;

[0023] Figure 2 Partial three-dimensional structure schematic diagram of a photovoltaic grid-connected power generation device proposed by the present utility model;

[0024] Figure 3 Partial sectional structure schematic diagram of a photovoltaic grid-connected power generation device proposed by the present utility model;

[0025] Figure 4 Schematic diagram of the lower mounting plate, positioning groove and positioning post structure of a photovoltaic grid-connected power generation device proposed by the present utility model;

[0026] Figure 5 Schematic diagram of the limiting rod and extension block structure of a photovoltaic grid-connected power generation device proposed by the present utility model.

[0027] In the figure: 1, support; 2, photovoltaic panel; 3, water pump; 4, water inlet pipe; 5, hose; 6, limiting rod; 7, upper mounting plate; 8, lower mounting plate; 9, moving plate; 10, mounting pipe; 11, brush hair; 12, moving wheel; 13, guiding groove; 14, micro motor; 15, gear; 16, tooth; 17, drainage groove; 18, through hole; 19, positioning groove; 20, positioning post; 21, extension block. Specific embodiments

[0028] 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 of the embodiments.

[0029] Embodiment 1

[0030] Refer to Figures 1 - 5 , a photovoltaic grid-connected power generation device, including:

[0031] A plurality of photovoltaic panels 2 installed at the top of the support 1, used to convert solar energy into electrical energy. The plurality of photovoltaic panels 2 are arranged side by side. Upper mounting plates 7 are fixedly provided at the tops of the photovoltaic panels 2, and lower mounting plates 8 are fixedly provided at the bottoms of the photovoltaic panels 2. Guiding grooves 13 are opened on one side of the upper mounting plate 7 and one side of the lower mounting plate 8;

[0032] It further includes a moving plate 9. The moving plate 9 is arranged on the surface of the photovoltaic panel 2. Two moving wheels 12 are rotatably connected to the inner wall of the top of the moving plate 9. The moving wheels 12 cooperate with the guiding grooves 13. These guiding grooves 13 provide an accurate guiding path for the movement of the moving wheels 12. One side of the moving plate 9 is fixedly provided with a mounting pipe 10. A brush hair 11 is provided at the bottom of the mounting pipe 10, used to brush the surface of the photovoltaic panel 2 during movement to remove dust and dirt. A plurality of through holes 18 are opened at the bottom of the mounting pipe 10 for flowing out water bodies to ensure the cleaning effect;

[0033] The driving mechanism is arranged on one side of the moving plate 9 and is used to drive the moving plate 9 to move. The driving mechanism includes a micro motor 14 and a plurality of teeth 16. The micro motor 14 is fixedly arranged on one side of the moving plate 9, and one end of the output shaft of the micro motor 14 is fixedly provided with a gear 15. The plurality of teeth 16 are evenly distributed on one side of the upper mounting plate 7, and the gear 15 meshes with the teeth 16. When the micro motor 14 is started, the gear 15 drives the teeth 16 to rotate, thereby driving the moving plate 9 to move along the direction of the guiding groove 13 to achieve automatic cleaning;

[0034] The water supply mechanism is arranged on one side of the photovoltaic panel 2 and is used to supply water to the installation pipe 10. The water supply mechanism includes a water pump 3. The water pump 3 is installed on one side of the bracket 1. The water inlet end of the water pump 3 is fixedly communicated with a water inlet pipe 4, and the other end of the water inlet pipe 4 is connected to a water source. The water outlet end of the water pump 3 is fixedly communicated with a hose 5, and the other end of the hose 5 is fixedly communicated with one end of the installation pipe 10. During the cleaning process, the water pump 3 sucks the water in the water source through the water inlet pipe 4, then transports it to the installation pipe 10 through the hose 5, and finally sprays it out through the through hole 18 at the bottom of the installation pipe 10, and cooperates with the brush bristles 11 to jointly complete the cleaning operation of the surface of the photovoltaic panel 2.

[0035] This application can be used in the field of photovoltaic grid-connected power generation, and can also be used in other fields applicable to this application.

[0036] Embodiment 2

[0037] A photovoltaic grid-connected power generation device improved on the basis of Embodiment 1, which is applied to the field of photovoltaic grid-connected power generation;

[0038] In another aspect of this embodiment, two positioning grooves 19 are opened on one side of the lower mounting plate 8, and two positioning columns 20 are integrally formed on the other side of the lower mounting plate 8. The positioning columns 20 cooperate with the positioning grooves 19. The cooperation of the positioning columns 20 and the positioning grooves 19 can ensure that two adjacent guiding grooves 13 are aligned, facilitating the walking of the moving wheels 12.

[0039] In another aspect of this embodiment, a drainage groove 17 is provided on one side of the lower mounting plate 8, and the drainage groove 17 can guide the sewage to drain.

[0040] In another aspect of this embodiment, a same limiting rod 6 is fixedly provided on one side of the two upper mounting plates 7 at both ends, and two symmetrically arranged extension blocks 21 are integrally formed on the edge of the limiting rod 6. The limiting rod 6 cooperates with the extension blocks 21 to limit the hose 5, preventing the hose 5 from contacting the gear 15 and the teeth 16 during movement.

[0041] However, as is well known to those skilled in the art, the working principles and wiring methods of the photovoltaic panel 2, the water pump 3, and the micro motor 14 are common knowledge and all belong to conventional means or well-known common sense. Therefore, they will not be elaborated here. Those skilled in the art can make arbitrary selections according to their needs or convenience.

[0042] The above is only the preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent replacements or changes, should be covered within the protection scope of the present utility model.

Claims

1. A photovoltaic grid-connected power generation device, characterized in that: include: A plurality of photovoltaic panels (2) are mounted on the top of a bracket (1), wherein the plurality of photovoltaic panels (2) are arranged side by side, an upper mounting plate (7) is fixedly provided at the top of each photovoltaic panel (2), a lower mounting plate (8) is fixedly provided at the bottom of each photovoltaic panel (2), and a guide groove (13) is provided on one side of the upper mounting plate (7) and one side of the lower mounting plate (8); It also includes a moving plate (9), the moving plate (9) is arranged on the surface of the photovoltaic panel (2), the top inner wall of the moving plate (9) is rotatably connected to two moving wheels (12), the moving wheels (12) and the guide grooves (13) are matched, a mounting tube (10) is fixedly arranged on one side of the moving plate (9), bristles (11) are arranged at the bottom of the mounting tube (10), and a plurality of through holes (18) are opened at the bottom of the mounting tube (10); A driving mechanism, the driving mechanism being arranged on one side of the moving plate (9) and being used for driving the moving plate (9) to move; A water supply mechanism is arranged on one side of the photovoltaic panel (2) and is used to provide water to the installation pipe (10).

2. A photovoltaic grid-connected power generation device according to claim 1, characterized in that: The driving mechanism comprises a micro motor (14) and a plurality of teeth (16); the micro motor (14) is fixedly mounted on one side of the moving plate (9); a gear (15) is fixedly mounted on one end of an output shaft of the micro motor (14); the plurality of teeth (16) are evenly distributed on one side of an upper mounting plate (7); and the gear (15) and the teeth (16) are meshed with each other.

3. A photovoltaic grid-connected power generation device according to claim 2, characterized in that: The water supply mechanism comprises a water pump (3), the water pump (3) is mounted on one side of the bracket (1), the water inlet end of the water pump (3) is fixedly connected to a water inlet pipe (4), the other end of the water inlet pipe (4) is connected to a water source, the water outlet end of the water pump (3) is fixedly connected to a hose (5), the other end of the hose (5) is fixedly connected to one end of the mounting pipe (10).

4. A photovoltaic grid-connected power generation device according to claim 3, characterized in that: Two positioning grooves (19) are provided on one side of the lower mounting plate (8), and two positioning columns (20) are integrally formed on the other side of the lower mounting plate (8), wherein the positioning columns (20) and the positioning grooves (19) cooperate with each other.

5. A photovoltaic grid-connected power generation device according to claim 4, characterized in that: A drainage groove (17) is provided on one side of the lower mounting plate (8).

6. A photovoltaic grid-connected power generation device according to claim 5, characterized in that: The same limiting rod (6) is fixedly arranged on one side of the two upper mounting plates (7) at the two ends, and the edge of the limiting rod (6) is integrally formed with two symmetrically arranged extension blocks (21).

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