Automatic cleaning device for photovoltaic panel

Abstract

The utility model discloses an automatic cleaning device for a photovoltaic panel, which comprises two mounting frames arranged below the photovoltaic panel, a mounting plate is arranged above the photovoltaic panel, two L-shaped connecting frames are arranged on the two sides of the photovoltaic panel, and the photovoltaic panel is arranged on the mounting plate. The sliding groove is formed in the mounting frame, and the L-shaped connecting frame is connected with the mounting frame in a sliding mode; the brush roller is arranged below the mounting plate, the brush roller is connected with the mounting plate in a rolling mode, a second motor is arranged on one side of the mounting plate, the output end of the second motor is connected with one end of the brush roller, and the brush roller is attached to the end face of the photovoltaic panel in parallel. The photovoltaic panel is cleaned in a mode of combining water flushing and brush scrubbing, stubborn dirt can be effectively removed, the workload of manual flushing and cleaning can be greatly reduced, and the cleaning effect of the photovoltaic panel is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic panels, in particular to an automatic cleaning device for photovoltaic panels. Background Art

[0002] Photovoltaic panels are a type of power generation device that generates direct current when exposed to sunlight. They are composed of thin solid photovoltaic cells made almost entirely of semiconductor materials. Photovoltaic panels are the main components of solar power generation, but after long-term use, mud, leaves and dust will accumulate on the surface of photovoltaic panels, which will affect the conversion rate of photovoltaic panels, so they need to be cleaned regularly.

[0003] The Chinese patent publication number is CN208743182U, and the authorization announcement date is April 16, 2019. A photovoltaic module automatic cleaning device includes a photovoltaic panel, and the photovoltaic module automatic cleaning device also includes: a cleaning water pipe, the cleaning water pipe is arranged at one side edge of the photovoltaic panel, the cleaning water pipe has a plurality of nozzles, and the plurality of nozzles are arranged toward the light-receiving surface of the photovoltaic panel; a water supply pipe; a solenoid valve, the cleaning water pipe is connected to the water supply pipe through the solenoid valve; a voltage sensor, the voltage sensor is electrically connected to the voltage output end of the photovoltaic panel to detect the voltage output value of the photovoltaic panel; a control device, the control device is electrically connected to the voltage sensor and the solenoid valve, and the control device is used to drive the solenoid valve so that the solenoid valve controls the water supply pipe to be connected or disconnected with the cleaning water pipe. Compared with the cleaning method of automatically spraying the surface of the photovoltaic panel at a fixed time, the photovoltaic module automatic cleaning device judges the surface dust accumulation of the photovoltaic panel by detecting the output voltage value of the photovoltaic panel, thereby avoiding the waste of water resources caused by frequent cleaning of the photovoltaic panel when the photovoltaic panel is not dusty.

[0004] The existing cleaning device adopts manual cleaning, which requires a lot of manual flushing and cleaning work, and the cleaning effect is not obvious enough. When the human body is too close to the photovoltaic panel, there will be a risk of electric shock, which reduces the cleaning effect of the photovoltaic panel surface and cannot meet the use requirements. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic cleaning device for photovoltaic panel surfaces, so as to solve the problem that the existing cleaning devices proposed in the above background technology adopt manual cleaning, the workload of manual flushing and cleaning is large, the cleaning effect is not obvious enough, there is a risk of electric shock when the human body is too close to the photovoltaic panel, the cleaning effect of the photovoltaic panel surface is reduced, and the use requirements cannot be met.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an automatic cleaning device for a photovoltaic panel surface, comprising a photovoltaic panel, and further comprising:

[0007] A mounting frame is arranged below the photovoltaic panel, two mounting frames are provided, and the two mounting frames are arranged at both ends of the photovoltaic panel, the mounting frame is fixedly connected to the photovoltaic panel, a mounting plate is arranged above the photovoltaic panel, and L-shaped connecting frames are arranged on both sides of the photovoltaic panel, two L-shaped connecting frames are provided, and the L-shaped connecting frames are fixedly connected to the mounting plate;

[0008] A slide groove is arranged on the mounting frame, and one end of the L-shaped connecting frame extends into the interior of the slide groove, and the L-shaped connecting frame is slidably connected to the mounting frame;

[0009] A brush roller is arranged below the mounting plate and is rollingly connected to the mounting plate. A second motor is arranged on one side of the mounting plate and is connected to the mounting plate by screws. An output end of the second motor is connected to one end of the brush roller. The brush roller is arranged parallel to the end face of the photovoltaic panel.

[0010] Preferably, a water pump is provided below the mounting frame and is fixedly connected to the mounting frame, a first water nozzle assembly is provided below the mounting plate and is fixedly connected to the mounting plate, the first water nozzle assembly is provided on one side of the brush roller, a water supply hose is provided between the water pump and the first water nozzle assembly, and both ends of the water supply hose are respectively connected to the water pump and the first water nozzle assembly as a whole.

[0011] Preferably, a second water spray nozzle assembly is provided below the mounting plate and is fixedly connected to the mounting plate, the second water spray nozzle assembly is provided on the other side of the brush roller, and the second water spray nozzle assembly is connected to the first water spray nozzle assembly.

[0012] Preferably, a tooth row is provided at the bottom of the slide groove, and the tooth row is fixedly connected to the mounting frame, a first motor is provided on one side of the L-shaped connecting frame, and the first motor is connected to the L-shaped connecting frame by screws, a gear is provided inside the L-shaped connecting frame, and the gear is rotatably connected to the L-shaped connecting frame, the output end of the first motor is connected to one end of the gear, the gear and the tooth row are correspondingly provided, and the gear and the tooth row are meshingly connected.

[0013] Preferably, a rolling groove is provided at the top of the slide groove, a ball is provided at the upper end of the L-shaped connecting frame, one end of the ball extends to the inside of the rolling groove, and the ball is rollingly connected to the mounting frame and the L-shaped connecting frame.

[0014] Preferably, a sponge is provided below the mounting plate, and the sponge is in contact with the end surface of the photovoltaic panel, and the sponge is provided on one side of the second water spray nozzle assembly.

[0015] Preferably, a spring is provided between the sponge and the mounting plate, and two ends of the spring are fixedly connected to the mounting plate and the sponge respectively.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model device is provided with a water pump, a first water spray nozzle assembly, a brush roller, a second motor and a second water spray nozzle assembly. The water pump draws water through a water delivery hose and injects it into the first water spray nozzle assembly. The first water spray nozzle assembly sprays water at high pressure to the end face of the photovoltaic panel to remove the floating dust on the end face of the photovoltaic panel and soak the dirt. The second motor is turned on to drive the brush roller to rotate. The brush roller is arranged parallel to the end face of the photovoltaic panel. As the brush roller rotates, the end face of the photovoltaic panel is wiped. The second water spray nozzle assembly sprays water at high pressure to the end face of the photovoltaic panel to remove the dirt accumulated on the end face of the photovoltaic panel, thereby realizing automatic cleaning of the photovoltaic panel surface.

[0018] 2. The utility model device is provided with an L-shaped connecting frame, a first motor, a gear and a gear row. The mounting plate and the mounting frame are movably connected through the L-shaped connecting frame. The first motor is turned on to drive the gear to rotate, and the gear is meshed with the gear row. As the gear rotates, the L-shaped connecting frame is driven to slide along the slide groove, so that the cleaning mechanism is translated and the photovoltaic panel surface is fully cleaned.

[0019] 3. The utility model device is provided with a sponge and a spring. The spring applies thrust to the sponge, so that the sponge is in close contact with the end surface of the photovoltaic panel. When the cleaning mechanism translates, the sponge absorbs water stains on the surface of the photovoltaic panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 For the utility model Figure 1 A partial enlarged view of area A;

[0022] Figure 3 This is a bottom view of the mounting plate of the utility model;

[0023] Figure 4 This is a diagram showing the connection relationship between the L-shaped connecting frame and the mounting frame of the utility model;

[0024] Figure 5 This is a diagram showing the connection relationship between the brush roller and the mounting plate of the utility model;

[0025] Figure 6 This is a diagram showing the connection relationship between the sponge and the mounting plate of the utility model.

[0026] In the figure: 1. Photovoltaic panel; 2. Mounting frame; 3. Mounting plate; 4. L-shaped connecting frame; 5. Slide; 6. First motor; 7. Water pump; 8. Water hose; 9. First water spray nozzle assembly; 10. Brush roller; 11. Second motor; 12. Spring; 13. Second water spray nozzle assembly; 14. Sponge; 15. Rolling groove; 16. Ball; 17. Gear; 18. Gear row. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0028] See also Figure 1-6 The utility model provides an embodiment: an automatic cleaning device for a photovoltaic panel surface, comprising a photovoltaic panel 1, and further comprising:

[0029] A mounting frame 2 is arranged below the photovoltaic panel 1. Two mounting frames 2 are provided, and the two mounting frames 2 are arranged at both ends of the photovoltaic panel 1. The mounting frame 2 is fixedly connected to the photovoltaic panel 1. A mounting plate 3 is arranged above the photovoltaic panel 1. L-shaped connecting frames 4 are arranged on both sides of the photovoltaic panel 1. Two L-shaped connecting frames 4 are provided, and the L-shaped connecting frames 4 are fixedly connected to the mounting plate 3.

[0030] A slide groove 5 is arranged on the mounting frame 2, and one end of the L-shaped connecting frame 4 extends into the interior of the slide groove 5, and the L-shaped connecting frame 4 is slidably connected to the mounting frame 2;

[0031] A brush roller 10 is arranged below the mounting plate 3 and is rollingly connected to the mounting plate 3. A second motor 11 is arranged on one side of the mounting plate 3 and is connected to the mounting plate 3 by screws. An output end of the second motor 11 is connected to one end of the brush roller 10. The brush roller 10 is arranged parallel to the end surface of the photovoltaic panel 1.

[0032] During use: turn on the second motor 11 to drive the brush roller 10 to rotate. The brush roller 10 is arranged parallel to the end face of the photovoltaic panel 1. As the brush roller 10 rotates, the end face of the photovoltaic panel 1 is wiped. The mounting plate 3 and the mounting frame 2 are movably connected by the L-shaped connecting frame 4. The mounting plate 3 is moved along the slide groove 5 to clean the end face of the photovoltaic panel 1.

[0033] See also Figure 1 , Figure 2 and Figure 3A water pump 7 is arranged below the mounting frame 2, and the water pump 7 is fixedly connected to the mounting frame 2. A first water nozzle assembly 9 is arranged below the mounting plate 3, and the first water nozzle assembly 9 is fixedly connected to the mounting plate 3. The first water nozzle assembly 9 is arranged on one side of the brush roller 10. A water delivery hose 8 is arranged between the water pump 7 and the first water nozzle assembly 9, and both ends of the water delivery hose 8 are respectively connected to the water pump 7 and the first water nozzle assembly 9 as a whole. Water is drawn by the water pump 7 through the water delivery hose 8 and injected into the first water nozzle assembly 9. With the help of the first water nozzle assembly 9, water is sprayed at high pressure to the end face of the photovoltaic panel 1, so that the floating dust on the end face of the photovoltaic panel 1 is removed and the dirt is soaked, so that the brush roller 10 can clean the end face of the photovoltaic panel 1 conveniently.

[0034] See also Figure 1 , Figure 2 and Figure 3 A second water nozzle assembly 13 is arranged below the mounting plate 3 and is fixedly connected to the mounting plate 3. The second water nozzle assembly 13 is arranged on the other side of the brush roller 10 and is connected to the first water nozzle assembly 9. Water is sprayed at high pressure to the end face of the photovoltaic panel 1 through the second water nozzle assembly 13 to remove the dirt accumulated on the end face of the photovoltaic panel 1.

[0035] See also Figure 1 and Figure 4 A tooth row 18 is provided at the bottom of the slide groove 5, and the tooth row 18 is fixedly connected to the mounting frame 2. A first motor 6 is provided on one side of the L-shaped connecting frame 4, and the first motor 6 is connected to the L-shaped connecting frame 4 by screws. A gear 17 is provided inside the L-shaped connecting frame 4, and the gear 17 is rotatably connected to the L-shaped connecting frame 4. The output end of the first motor 6 is connected to one end of the gear 17, and the gear 17 and the tooth row 18 are correspondingly arranged, and the gear 17 is meshed with the tooth row 18. The gear 17 is driven to rotate by the first motor 6, and as the gear 17 rotates, the L-shaped connecting frame 4 is driven to slide along the slide groove 5, thereby realizing the translation of the cleaning mechanism.

[0036] See also Figure 4 A rolling groove 15 is provided at the top of the slide groove 5, and a ball 16 is provided at the upper end of the L-shaped connecting frame 4. One end of the ball 16 extends to the inside of the rolling groove 15, and the ball 16 is rollingly connected to the mounting frame 2 and the L-shaped connecting frame 4. The ball 16 reduces the moving resistance of the cleaning mechanism and improves the translation stability of the cleaning mechanism.

[0037] See also Figure 2 , Figure 3 and Figure 6 A sponge 14 is provided below the mounting plate 3 , and the sponge 14 is in contact with the end surface of the photovoltaic panel 1 . The sponge 14 is provided on one side of the second water spray nozzle assembly 13 , and the water stains on the end surface of the photovoltaic panel 1 are removed by the sponge 14 .

[0038] See also Figure 6 A spring 12 is arranged between the sponge 14 and the mounting plate 3, and the two ends of the spring 12 are fixedly connected to the mounting plate 3 and the sponge 14 respectively. The spring 12 applies a thrust to the sponge 14, so that the sponge 14 is in close contact with the end surface of the photovoltaic panel 1, so as to better absorb the water stains on the end surface of the photovoltaic panel 1.

[0039] Working principle: Turn on the water pump 7 to draw water through the water hose 8 and inject it into the first water nozzle assembly 9. With the help of the first water nozzle assembly 9, water is sprayed at high pressure to the end face of the photovoltaic panel 1 to remove the floating dust on the end face of the photovoltaic panel 1 and soak the dirt. Turn on the second motor 11 to drive the brush roller 10 to rotate. The brush roller 10 is arranged in parallel with the end face of the photovoltaic panel 1. As the brush roller 10 rotates, the end face of the photovoltaic panel 1 is wiped. The second water nozzle assembly 13 sprays water at high pressure to the end face of the photovoltaic panel 1 to remove the dirt accumulated on the end face of the photovoltaic panel 1 after cleaning; the first motor 6 drives the gear 17 to rotate. As the gear 17 rotates, it drives the L-shaped connecting frame 4 to slide along the slide groove 5, so as to realize the translation of the cleaning mechanism and the cleaning of the end face of the photovoltaic panel 1; the spring 12 applies thrust to the sponge 14, so that the sponge 14 is in close contact with the end face of the photovoltaic panel 1, and the water stains on the end face of the photovoltaic panel 1 are removed by the sponge 14.

[0040] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic cleaning device for a photovoltaic panel surface, comprising a photovoltaic panel (1), characterized in that: Also includes: A mounting frame (2) is arranged below the photovoltaic panel (1), two mounting frames (2) are provided, and the two mounting frames (2) are provided at both ends of the photovoltaic panel (1), the mounting frame (2) is fixedly connected to the photovoltaic panel (1), a mounting plate (3) is provided above the photovoltaic panel (1), L-shaped connecting frames (4) are provided on both sides of the photovoltaic panel (1), two L-shaped connecting frames (4) are provided, and the L-shaped connecting frames (4) are fixedly connected to the mounting plate (3); A slide groove (5) is arranged on the mounting frame (2), and one end of the L-shaped connecting frame (4) extends into the interior of the slide groove (5), and the L-shaped connecting frame (4) is slidably connected to the mounting frame (2); A brush roller (10) is arranged below the mounting plate (3), and the brush roller (10) is rollingly connected to the mounting plate (3); a second motor (11) is arranged on one side of the mounting plate (3), and the second motor (11) is connected to the mounting plate (3) by screws; an output end of the second motor (11) is connected to one end of the brush roller (10); and the brush roller (10) is arranged parallel to and in contact with the end surface of the photovoltaic panel (1).

2. The automatic cleaning device for photovoltaic panels according to claim 1, characterized in that: A water pump (7) is arranged below the mounting frame (2), and the water pump (7) is fixedly connected to the mounting frame (2); a first water spray nozzle assembly (9) is arranged below the mounting plate (3), and the first water spray nozzle assembly (9) is fixedly connected to the mounting plate (3); the first water spray nozzle assembly (9) is arranged on one side of the brush roller (10); a water delivery hose (8) is arranged between the water pump (7) and the first water spray nozzle assembly (9), and both ends of the water delivery hose (8) are respectively connected to the water pump (7) and the first water spray nozzle assembly (9) as a whole.

3. The automatic cleaning device for photovoltaic panels according to claim 2, characterized in that: A second water spray nozzle assembly (13) is arranged below the mounting plate (3), and the second water spray nozzle assembly (13) is fixedly connected to the mounting plate (3); the second water spray nozzle assembly (13) is arranged on the other side of the brush roller (10), and the second water spray nozzle assembly (13) is connected to the first water spray nozzle assembly (9).

4. The automatic cleaning device for photovoltaic panels according to claim 1, characterized in that: A tooth row (18) is provided at the bottom of the slide groove (5), and the tooth row (18) is fixedly connected to the mounting frame (2); a first motor (6) is provided on one side of the L-shaped connecting frame (4), and the first motor (6) is connected to the L-shaped connecting frame (4) by screws; a gear (17) is provided inside the L-shaped connecting frame (4), and the gear (17) is rotatably connected to the L-shaped connecting frame (4); an output end of the first motor (6) is connected to one end of the gear (17), and the gear (17) and the tooth row (18) are correspondingly provided, and the gear (17) and the tooth row (18) are meshingly connected.

5. The automatic cleaning device for photovoltaic panels according to claim 4, characterized in that: A rolling groove (15) is arranged at the top of the slide groove (5), a ball (16) is arranged at the upper end of the L-shaped connecting frame (4), one end of the ball (16) extends into the interior of the rolling groove (15), and the ball (16) is rollingly connected to both the mounting frame (2) and the L-shaped connecting frame (4).

6. The automatic cleaning device for photovoltaic panels according to claim 1, characterized in that: A sponge (14) is arranged below the mounting plate (3), and the sponge (14) is in contact with the end surface of the photovoltaic panel (1), and the sponge (14) is arranged on one side of the second water spray nozzle assembly (13).

7. The automatic cleaning device for photovoltaic panels according to claim 6, characterized in that: A spring (12) is arranged between the sponge (14) and the mounting plate (3), and two ends of the spring (12) are fixedly connected to the mounting plate (3) and the sponge (14) respectively.

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