Photovoltaic panel ash removal device for photovoltaic power station

Abstract

The utility model discloses a photovoltaic panel dust cleaning device for a photovoltaic power station. The photovoltaic panel dust cleaning device comprises a fixed plate, a photovoltaic panel, a mounting box, a transmission motor, a transmission screw rod, a transmission sliding table, a cleaning device and a mounting plate, according to the utility model, the cleaning device is arranged, the cleaning device is started to wipe and clean stains on the photovoltaic panel, and then the small photovoltaic inverter is started to control the dust discharge pump, so that the dust discharge pump sucks sand wind, dirt and water stains retained on the photovoltaic panel into the dust discharge pipe through the dust discharge pipe; and the control valve is started to discharge wind sand, dirt and water stains in the dust discharge pipe, so that the wind sand, the dirt and the water stains remained above the fixed plate are cleaned through the cleaning device, and the problems that the wind sand, the dirt and the water stains are accumulated above the photovoltaic panel, black spots are formed and shield the outer side of the photovoltaic panel, and the photovoltaic panel is affected to generate power after being heated are solved.

Description

Technical Field

[0001] The utility model relates to the field of photovoltaic panel cleaning equipment, in particular to a dust cleaning device for photovoltaic panels in a photovoltaic power station. Background Art

[0002] Under the premise that the country increasingly values environmental protection, as a clean energy source, solar energy has seen an increasing number of photovoltaic power stations being built. Due to less vegetation and more sandy weather in the northwest region, the natural environment is harsh. Therefore, cleaning photovoltaic components is one of the important means of maintenance. Photovoltaic components are outdoor devices, and in this natural environment, the dust on the surface of photovoltaic components is mainly divided into sand and dust.

[0003] Necessity of cleaning photovoltaic panels:

[0004] On the one hand, when photovoltaic components are placed in the air for a long time, dust in the air will cover a large area on the surface of photovoltaic components and block part of the solar radiation, resulting in a reduction in the effective area irradiated on the surface of photovoltaic components. On the other hand, dust will affect the transmittance of silicon crystals on the surface of photovoltaic components. The greater the deposition concentration of dust, the lower the transmittance of the panel, and the lower the solar radiation it absorbs. The reduction in the solar irradiance received by photovoltaic components leads to a decrease in the power generation efficiency.

[0005] When a part of the area of a photovoltaic component is covered with dust, the covered part cannot work properly, and at the same time, it will also prevent heat from being transferred outwards. After long-term sunlight irradiation, the temperature of the covered photovoltaic component will be much higher than that of the part not covered with dust due to the inability of heat to be transferred out in time. When the temperature is seriously too high, hot spots will appear on the surface of the photovoltaic component, and these burned hot spots can seriously cause large-area damage to the photovoltaic component.

[0006] The cleanliness of photovoltaic components has a very great impact on power generation efficiency and benefits. Therefore, it is necessary to develop a dust cleaning device for photovoltaic panels to ensure the cleanliness of the surface of photovoltaic panels and thus guarantee the power generation efficiency of photovoltaic power stations. Content of the Utility Model

[0007] Therefore, to solve the above deficiencies, the utility model provides a dust cleaning device for photovoltaic panels in a photovoltaic power station.

[0008] To achieve the above object, the utility model adopts the following technical solutions: A dust cleaning device for photovoltaic panels in a photovoltaic power station, comprising a fixing plate, a photovoltaic panel, an installation box, a driving motor, a driving lead screw, a driving slide, a cleaning device, and an installation plate. The photovoltaic panel is placed at the front end of the fixing plate. The installation box is fixed to the top of the photovoltaic panel. The driving motor is fixed inside the installation box. The driving motor is drivingly connected to the right end of the driving lead screw by a coupling. The driving lead screw is in meshing transmission with the inside of the driving slide. The bottom of the driving slide is provided with an installation plate. The cleaning device is fixed to the front end of the installation plate. The cleaning device comprises a box body, a dust exhaust pump, a small photovoltaic inverter, a control valve, a dust exhaust pipe, a cleaner, and a return pipe. The dust exhaust pump is installed at the left end of the box body. The small photovoltaic inverter is fixed inside the box body. The dust exhaust pipe is installed at the top of the dust exhaust pump. The control valve is connected to the top of the return pipe. The bottom of the dust exhaust pipe is slidably connected to the installation plate. The cleaner is fixed inside the installation plate. The bottom of the return pipe is communicated with the right end of the dust exhaust pump.

[0009] As a further scheme of the utility model, the cleaner comprises an installation frame, a water injection tank, a driving wheel, a transmission belt module, a driven wheel, a wiping roller, a servo motor, and a liquid spraying nozzle. The water injection tank is arranged inside the installation frame. The liquid spraying nozzle is arranged at the bottom of the water injection tank. The servo motor is installed at the right end of the water injection tank. The servo motor is drivingly connected to the inside of the driving wheel by a coupling. The driving wheel is in frictional transmission with the top of the transmission belt module. The transmission belt module is in frictional transmission with the bottom of the driven wheel. The driven wheel is in interference transmission with the right end of the wiping roller. The wiping roller is rotatably connected to the lower end inside the installation frame.

[0010] As a further scheme of the utility model, the dust exhaust pump and the small photovoltaic inverter are arranged horizontally at the same level in the box body.

[0011] As a further scheme of the utility model, multiple frustum-shaped dust suction nozzles are arranged at the top of the dust exhaust pipe.

[0012] As a further scheme of the utility model, the control valve and the return pipe are vertically arranged at the top of the box body.

[0013] As a further scheme of the utility model, a movable sliding groove is arranged at the bottom of the dust exhaust pipe to ensure that the dust exhaust pipe slides in cooperation with the installation plate.

[0014] As a further scheme of the utility model, the driving wheel and the driven wheel are arranged parallel to each other in the transmission belt module to ensure that the driving wheel and the driven wheel can rotate synchronously under the combined drive of the transmission belt module.

[0015] As a further solution of the present utility model, multiple groups of liquid spraying nozzles are provided, and the liquid spraying nozzles are horizontally arranged at the bottom of the water injection tank on the same level, so that the water injection tank can provide water source for the liquid spraying nozzles, and the liquid spraying nozzles can spray out part of the water liquid.

[0016] As a further solution of the present utility model, the output voltage of the photovoltaic panel is about DC20 - DC40, and the power is 350W. The small photovoltaic inverter selects a micro photovoltaic inverter with a power of 120W - 350W. The photovoltaic output line branch line is connected to the micro inverter, and the dust removal pump selects an AC220V AC fan with a power of 120W - 350W.

[0017] Compared with the prior art, the present utility model provides a dust cleaning device for photovoltaic panels in a photovoltaic power station, and has the following beneficial effects:

[0018] 1. In the present utility model, by setting a cleaning device, the stains on the photovoltaic panel are wiped and cleaned by starting the cleaner. When starting the small photovoltaic inverter to control the dust removal pump, the dust removal pump sucks the water stains and dirt remaining on the photovoltaic panel into the interior of the dust removal pipe through the dust removal pipe. Then, by starting the control valve, the sand, dirt and water stains inside the dust removal pipe are discharged, so as to clean the sand, dirt and water stains remaining above the fixing plate through the cleaning device, prevent the sand, dirt and water stains from accumulating above the photovoltaic panel, forming black spots on the outside of the photovoltaic panel, and affecting the photovoltaic panel from generating heat and electricity.

[0019] 2. In the present utility model, by setting a cleaner at the upper end of the cleaning device, by injecting water source into the interior of the water injection tank, the water injection tank can inject the water source into the outside of the wiping roller through the flowing liquid spraying nozzles, so that the wiping roller can wipe the surface of the photovoltaic panel through the water stains. Next, when starting the servo motor to drive the driving wheel to rotate, the driving wheel and the transmission belt module are frictionally driven, so that the transmission belt module drives the driven wheel to rotate through the frictional driving method, and then the wiping roller can rotate along with the driven wheel, prompting the wiping roller to wipe and clean the stains on the photovoltaic panel, so as to achieve the effect of wiping and cleaning the stains on the photovoltaic panel by starting the cleaner. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is the three-dimensional structure schematic diagram of the present utility model;

[0021] Figure 2 is the planar structure schematic diagram of the present utility model;

[0022] Figure 3 is the three-dimensional structure schematic diagram of the cleaning device of the present utility model;

[0023] Figure 4It is a top view structural schematic diagram of the cleaning device of the present utility model;

[0024] Figure 5 It is a structural schematic diagram of the cleaner of the present utility model.

[0025] Wherein: fixing plate - 1, photovoltaic panel - 2, installation box - 3, driving motor - 4, driving lead screw - 5, driving slide - 6, cleaning device - 7, mounting plate - 8, box body - 71, dust exhaust pump - 72, small photovoltaic inverter - 73, control valve - 74, dust exhaust pipe - 75, cleaner - 76, return pipe - 77, mounting frame - 761, water injection tank - 762, driving wheel - 763, transmission belt module - 764, driven wheel - 765, wiping roller - 766, servo motor - 767, liquid spraying nozzle - 768. Specific embodiments

[0026] In order to further explain the technical solution of the present utility model, it will be elaborated in detail through specific embodiments below.

[0027] Please refer to Figure 1 and Figure 2 , in the embodiment of the present utility model:

[0028] A dust cleaning device for photovoltaic panels in a photovoltaic power station, including a fixing plate 1, a photovoltaic panel 2, an installation box 3, a driving motor 4, a driving lead screw 5, a driving slide 6, a cleaning device 7, and a mounting plate 8. The photovoltaic panel 2 is placed at the front end of the fixing plate 1. The installation box 3 is fixed to the top of the photovoltaic panel 2. The driving motor 4 is fixed inside the installation box 3. The driving motor 4 is drivingly connected to the right end of the driving lead screw 5 by a coupling. The driving lead screw 5 is in meshing transmission with the inside of the driving slide 6. The mounting plate 8 is installed at the bottom of the driving slide 6. The cleaning device 7 is fixed to the front end of the mounting plate 8. The photovoltaic panel output voltage of the photovoltaic panel 2 is about DC20 - DC40, and the power is 350W. The small photovoltaic inverter selects a micro photovoltaic inverter with a power of 120W - 350W. The photovoltaic output line branch line is connected to the micro inverter. The dust exhaust pump selects an AC220V AC fan with a power of 120W - 350W.

[0029] Please refer to 3 and Figure 4 , in the embodiment of the present utility model:

[0030] The cleaning device 7 includes a box body 71, a dust exhaust pump 72, a small photovoltaic inverter 73, a control valve 74, a dust exhaust pipe 75, a cleaner 76, and a return pipe 77. The dust exhaust pump 72 is installed at the left end of the box body 71. The small photovoltaic inverter 73 is fixed inside the box body 71. The dust exhaust pipe 75 is installed on the top of the dust exhaust pump 72. The control valve 74 is connected to the top of the return pipe 77. The bottom of the dust exhaust pipe 75 is slidably connected to the mounting plate 8. The cleaner 76 is fixed inside the mounting plate 8. The bottom of the return pipe 77 communicates with the right end of the dust exhaust pump 72. The dust exhaust pump 72 and the small photovoltaic inverter 73 are arranged horizontally in the box body 71. The top of the dust exhaust pipe 75 is provided with multiple frustum-shaped dust suction nozzles. The control valve 74 and the return pipe 77 are vertically arranged on the top of the box body 71. The bottom of the dust exhaust pipe 75 is provided with a movable chute to ensure that the dust exhaust pipe 75 slides in cooperation with the mounting plate 8.

[0031] Please refer to FIG. 5. In the embodiment of the present invention:

[0032] The cleaner 76 includes a mounting frame 761, a water injection tank 762, a driving wheel 763, a transmission belt module 764, a driven wheel 765, a wiping roller 766, a servo motor 767, and a liquid spraying nozzle 768. The water injection tank 762 is arranged inside the mounting frame 761. The liquid spraying nozzle 768 is arranged at the bottom of the water injection tank 762. The servo motor 767 is installed at the right end of the water injection tank 762. The servo motor 767 is internally connected to the driving wheel 763 by a coupling. The driving wheel 763 is frictionally driven with the top of the transmission belt module 764. The transmission belt module 764 is frictionally driven with the bottom of the driven wheel 765. The driven wheel 765 is fitted and driven with the right end of the wiping roller 766. The wiping roller 766 is rotatably connected to the lower end inside the mounting frame 761. The driving wheel 763 and the driven wheel 765 are arranged in parallel on the transmission belt module 764 to ensure that the driving wheel 763 and the driven wheel 765 can rotate synchronously under the cooperation and drive of the transmission belt module 764. There are multiple groups of liquid spraying nozzles 768. The liquid spraying nozzles 768 are arranged horizontally at the bottom of the water injection tank 762, so that the water injection tank 762 can supply water to the liquid spraying nozzles 768, prompting the liquid spraying nozzles 768 to spray out some liquid.

[0033] Reference Figures 1 - 5 Refer to FIG. , during use, the fixing plate 1 is horizontally arranged on the workbench to support the device. Then, the photovoltaic panel 2 is placed inside the fixing plate 1. Next, the driving motor 4 is started to drive the driving lead screw 5 to rotate, so that the driving lead screw 5 and the driving slide 6 perform screw transmission, and the driving slide 6 drives the cleaning device 7 to horizontally slide above the photovoltaic panel 2.

[0034] Meanwhile, water source is injected into the interior of the water injection tank 762, enabling the water injection tank 762 to inject the water source into the outer side of the wiping roller 766 through the inflow liquid spraying nozzle 768. Further, the wiping roller 766 can wipe the surface of the photovoltaic panel 2 through water stains. Next, the servo motor 767 is started to drive the driving wheel 763 to rotate, causing the driving wheel 763 to frictionally drive the transmission belt module 764. The transmission belt module 764 drives the driven wheel 765 to rotate through frictional drive, and further enables the wiping roller 766 to rotate along with the driven wheel 765, prompting the wiping roller 766 to wipe and clean the stains on the photovoltaic panel 2. Then, by starting the cleaner 76, the work of wiping and cleaning the stains on the photovoltaic panel 2 is completed. When the small photovoltaic inverter 73 is started to control the dust exhaust pump 72, the dust exhaust pump 72 pumps the water stains and dirt remaining on the photovoltaic panel 2 into the interior of the dust exhaust pipe 75 through the dust exhaust pipe 75. When the control valve 74 is started, the sand, dirt, and water stains inside the dust exhaust pipe 75 are discharged, thereby achieving the cleaning of the sand, dirt, and water stains remaining above the fixed plate 1 by the cleaning device 7, preventing the sand, dirt, and water stains from accumulating above the photovoltaic panel 2 and forming black spots to block the outside of the photovoltaic panel 2, which affects the heat collection and power generation of the photovoltaic panel 2.

[0035] The control mode of the present utility model is controlled by manually starting and closing the switch. The wiring diagram of the power element and the power supply are common knowledge in the art. And the present utility model mainly protects mechanical devices, so the control mode and wiring layout of the present utility model will not be explained in detail.

[0036] The control mode of the present utility model is automatically controlled by a controller. The control circuit of the controller can be realized by simple programming by those skilled in the art. The power supply is also common knowledge in the art. And the present utility model mainly protects mechanical devices, so the control mode and circuit connection of the present utility model will not be explained in detail.

[0037] The above are only the preferred examples of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A dust cleaning device for photovoltaic panels in a photovoltaic power station, comprising a fixing plate (1), a photovoltaic panel (2), an installation box (3), a driving motor (4), a driving lead screw (5), a driving slide (6), a cleaning device (7), and an installation plate (8). The photovoltaic panel (2) is placed at the front end of the fixing plate (1). The installation box (3) is fixed to the top of the photovoltaic panel (2). The driving motor (4) is fixed inside the installation box (3). The driving motor (4) is drivingly connected to the right end of the driving lead screw (5) by a coupling. The driving lead screw (5) is in meshing transmission with the inside of the driving slide (6). The bottom of the driving slide (6) is provided with an installation plate (8). The cleaning device (7) is fixed to the front end of the installation plate (8). It is characterized in that: The cleaning device (7) includes a box body (71), a dust exhaust pump (72), a small photovoltaic inverter (73), a control valve (74), a dust exhaust pipe (75), a cleaner (76), and a return pipe (77). The dust exhaust pump (72) is installed at the left end of the box body (71). The small photovoltaic inverter (73) is fixed inside the box body (71). The dust exhaust pipe (75) is installed at the top of the dust exhaust pump (72). The control valve (74) is connected to the top of the return pipe (77). The bottom of the dust exhaust pipe (75) is slidably connected to the installation plate (8). The cleaner (76) is fixed inside the installation plate (8). The bottom of the return pipe (77) is communicated with the right end of the dust exhaust pump (72).

2. The photovoltaic panel dust cleaning device for a photovoltaic power station according to claim 1, characterized in that: The cleaner (76) includes an installation frame (761), a water injection tank (762), a driving wheel (763), a transmission belt module (764), a driven wheel (765), a wiping roller (766), a servo motor (767), and a liquid spraying nozzle (768). The water injection tank (762) is arranged inside the installation frame (761). The liquid spraying nozzle (768) is arranged at the bottom of the water injection tank (762). The servo motor (767) is installed at the right end of the water injection tank (762). The servo motor (767) is drivingly connected to the inside of the driving wheel (763) by a coupling. The driving wheel (763) is in friction transmission with the top of the transmission belt module (764). The transmission belt module (764) is in friction transmission with the bottom of the driven wheel (765). The driven wheel (765) is in fitting transmission with the right end of the wiping roller (766). The wiping roller (766) is rotatably connected to the lower end inside the installation frame (761).

3. The photovoltaic panel dust cleaning device for a photovoltaic power station according to claim 1, wherein: The dust exhaust pump (72) and the small photovoltaic inverter (73) are arranged horizontally in the box body (71).

4. The photovoltaic panel dust cleaning device for a photovoltaic power station according to claim 1, wherein: The top of the dust exhaust pipe (75) is provided with multiple frustum-shaped dust suction nozzles.

5. The photovoltaic panel dust cleaning device for a photovoltaic power station according to claim 1, characterized in that: The control valve (74) and the return pipe (77) are vertically arranged on the top of the box body (71).

6. The photovoltaic panel dust cleaning device for a photovoltaic power station according to claim 1, characterized in that: The bottom of the dust exhaust pipe (75) is provided with a movable chute to ensure that the dust exhaust pipe (75) slides in cooperation with the installation plate (8).

7. The photovoltaic panel dust cleaning device for a photovoltaic power station according to claim 2, characterized in that: The driving wheel (763) and the driven wheel (765) are arranged parallel to the transmission belt module (764).

8. The photovoltaic panel dust cleaning device for a photovoltaic power station according to claim 2, wherein: There are multiple groups of the liquid spraying nozzles (768), and the liquid spraying nozzles (768) are horizontally arranged at the bottom of the water injection tank (762) at the same level.

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