Cleaning device for photovoltaic panel

Abstract

The present application relates to a cleaning device for a photovoltaic panel, capable of automatically cleaning a photovoltaic panel using a cleaning solution. The cleaning device comprises an unmanned vehicle mechanism, a multi-joint manipulator, and a cleaning mechanism. The multi-joint manipulator has one end arranged on the unmanned vehicle mechanism and the other end connected to the cleaning mechanism. The cleaning mechanism comprises a cleaning support frame for providing support, a first motor for providing power, a soft brush roller for cleaning a photovoltaic panel, and a spray assembly for spraying a cleaning solution. The first motor, the soft brush roller, and the spray assembly are all arranged on the cleaning support frame; the first motor has an output end connected to the soft brush roller and drives the soft brush roller to rotate; and the spray assembly can spray the cleaning solution onto the soft brush roller.

Description

A cleaning device for photovoltaic panels

[0001] Cross-reference to related applications

[0002] The present application claims priority to the Chinese patent application No. 202411083362.1, filed on August 8, 2024, and entitled "A cleaning device for photovoltaic panels", the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0003] The present application relates to the technical field of photovoltaic panel cleaning, in particular to a cleaning device for photovoltaic panels. BACKGROUND

[0004] Photovoltaic panels are the most basic and important mechanism in photovoltaic power stations for generating electricity, and the light intensity of the sunlight received will directly affect the output power of the solar panels. However, photovoltaic power stations are mostly built in sandy, hardened, saline-alkali and hilly areas, where the natural environment is harsh, and the wind and dust are serious. The problem of photovoltaic panels being blocked by dust and sand is the most serious. Dust on photovoltaic panels not only reduces the power generation efficiency, but also causes hot spot effect and acid-alkali corrosion, greatly shortening the service life of photovoltaic panels.

[0005] At present, the main means for cleaning large-scale solar photovoltaic panels in photovoltaic power stations is to use water spraying equipment combined with manual operation, that is, workers directly hold high-pressure water guns to spray and clean the photovoltaic panels. This method has many problems, such as: 1. Manual operation cannot guarantee the uniformity of cleaning, and some areas cannot be thoroughly cleaned, which greatly affects the power generation efficiency of photovoltaic panels; 2. Manual operation is easily affected by weather and working time, and cannot realize all-weather cleaning; 3. Manual operation is low in efficiency and difficult to achieve high-efficiency cleaning. SUMMARY

[0006] In view of the defects of the prior art described above, the technical problem to be solved by the present application is to provide a cleaning device for photovoltaic panels, which can improve the cleaning efficiency and uniformity of photovoltaic panels and realize all-weather cleaning.

[0007] In order to achieve the above object, the application provides a cleaning device for photovoltaic panels, which can automatically clean photovoltaic panels with cleaning liquid, comprising an unmanned vehicle mechanism, a multi-joint mechanical arm and a cleaning mechanism, one end of the multi-joint mechanical arm is arranged on the unmanned vehicle mechanism, and the other end is connected with the cleaning mechanism; the cleaning mechanism comprises a cleaning support frame for providing support, a first motor for providing power, a soft brush roller for cleaning photovoltaic panels and a spraying assembly for spraying cleaning liquid, the first motor, the soft brush roller and the spraying assembly are all arranged on the cleaning support frame, the output end of the first motor is connected with the soft brush roller and drives the soft brush roller to rotate, and the spraying assembly can spray cleaning liquid on the soft brush roller.

[0008] Optionally, the spraying assembly comprises a liquid storage tank, a micro pump, a connecting pipe, a liquid outlet pipe and a liquid outlet nozzle, the liquid storage tank is arranged on the cleaning support frame, the micro pump is arranged on the liquid storage tank, the inlet end of the micro pump is in communication with the liquid storage tank, one end of the connecting pipe is connected with the outlet end of the micro pump, and the other end is connected with the liquid outlet pipe, the length direction of the liquid outlet pipe is parallel to the length direction of the soft brush roller, a plurality of liquid outlet nozzles are arranged on the liquid outlet pipe, and the liquid outlet nozzles are uniformly arranged along the length extension direction of the liquid outlet pipe.

[0009] Optionally, it further comprises a water absorption mechanism arranged on the rear side of the cleaning mechanism, the water absorption mechanism comprises a water absorption support frame, a sponge assembly and a draining assembly, the sponge assembly and the draining assembly are both arranged on the water absorption support frame, the water absorption support frame is fixedly connected on the rear side of the cleaning support frame, the sponge assembly is connected on the water absorption support frame and can absorb the cleaning liquid on the photovoltaic panels, and the draining assembly can drain the cleaning liquid in the sponge assembly.

[0010] Optionally, the sponge assembly comprises a connecting horizontal bar and a sponge, the connecting horizontal bar is arranged on the water absorption support frame, and the sponge is detachably connected on the connecting horizontal bar.

[0011] Optionally, the draining assembly comprises a draining screw rod, a moving block, a second motor, an inclined rod and a draining roller, the draining screw rod is arranged on the water absorption support frame and above the sponge assembly, the moving block is sleeved on the draining screw rod and is threadedly connected with the draining screw rod, the output end of the second motor is connected with one end of the draining screw rod and drives the draining screw rod to rotate, the moving block can move along the length extension direction of the draining screw rod when the draining screw rod rotates, the draining screw rod is parallel to the length direction of the sponge assembly, two inclined rods are respectively arranged on the front and back sides of the moving block, one end of the inclined rod is fixedly connected with the moving block, and the other end is connected with the rotatable draining roller, the sponge is located between the two draining rollers, and the two draining rollers are respectively close to the two sides of the sponge.

[0012] Optionally, the drying mechanism is arranged at the rear side of the water absorption mechanism, and the drying mechanism comprises a drying support frame for providing support, a distance adjusting assembly for adjusting the distance between the drying mechanism and the water absorption mechanism, and a drying assembly for drying the photovoltaic panel, the drying assembly is arranged on the drying support frame, and the distance adjusting assembly connects the drying support frame and the water absorption support frame and can adjust the distance between the drying support frame and the water absorption support frame.

[0013] Optionally, the distance adjusting assembly comprises a vertical plate, a sliding rod, a distance adjusting screw rod, a third motor and a connecting plate, the vertical plate is fixedly connected to the water absorption mechanism, the connecting plate is fixedly connected to the drying support frame, one end of the sliding rod is fixedly connected to the vertical plate, the other end of the sliding rod passes through the connecting plate and is in sliding connection with the connecting plate, one end of the distance adjusting screw rod passes through the vertical plate and is connected to the output end of the third motor, the other end of the distance adjusting screw rod passes through the connecting plate and is in threaded connection with the connecting plate, the axis of the sliding rod is parallel to the axis of the distance adjusting screw rod, and the third motor can drive the distance adjusting screw rod to rotate.

[0014] Optionally, the drying assembly comprises an air blower, a drying air pipe, a drying air head, a connecting air pipe, an electric heating wire and a temperature sensor, the air blower is arranged on the drying support frame, one end of the connecting air pipe is connected to the air outlet end of the air blower, the other end of the connecting air pipe is connected to the drying air pipe, the electric heating wire and the temperature sensor are arranged in the connecting air pipe, the length extension direction of the drying air pipe is parallel to the length extension direction of the soft brush roller of the cleaning mechanism, and a plurality of drying air heads are arranged on the drying air pipe and are uniformly arranged along the length extension direction of the drying air pipe.

[0015] Optionally, the unmanned vehicle mechanism is a tracked robot.

[0016] Optionally, the multi-joint mechanical arm is a three-joint mechanical arm.

[0017] As described above, the cleaning device for the photovoltaic panel has the following beneficial effects:

[0018] 1. By arranging the unmanned vehicle mechanism, the multi-joint mechanical arm and the cleaning mechanism, the cleaning work is no longer limited by weather and working time, and all-weather cleaning can be realized, the cleaning efficiency is greatly improved, the multi-joint mechanical arm can complete almost any trajectory or angle work, the cleaning mechanism can clean all areas of the photovoltaic panel, and the uniformity of the photovoltaic panel cleaning is greatly improved; the soft brush roller and the spraying assembly of the cleaning mechanism will not damage the surface of the photovoltaic panel, which helps to prolong the service life of the photovoltaic panel, and can more thoroughly remove dust, dirt and other pollutants, and maintain the high efficiency output of the photovoltaic panel.

[0019] 2、By setting the water absorption mechanism, ensure that the photovoltaic panel after cleaning mechanism to complete the cleaning can quickly remove waste liquid and keep dry, sponge assembly by absorbing the waste liquid did not slip, avoid the formation of water droplets or water spots, so as to ensure the cleaning effect, when the sponge assembly storage of a large amount of water, can through the drainage component drip out of the water in the sponge assembly, not only can quickly handle waste liquid, but also can effectively keep the surface of photovoltaic panel dry, prevent water droplets or water spots, and reduce the need for manual operation, improve the efficiency of the cleaning process, while reducing operating costs.

[0020] 3、By setting the drying mechanism for photovoltaic panel hot air drying, ensure that the surface of photovoltaic panel completely dry, can effectively avoid the residual water droplets or water spots, keep the photovoltaic panel clean, and then improve the efficiency and energy output of photovoltaic system, dry photovoltaic panel surface is not easy to deposit water marks and dirt, help to extend the cleaning interval, reduce the frequency and cost of cleaning, and drying mechanism can keep the photovoltaic panel clean and dry, make the photovoltaic panel more effectively absorb solar energy and convert into electrical energy, improve the reliability and stability of the whole energy system, and the drying mechanism reduces the need for manual operation, can further improve the efficiency of the cleaning process and further reduce operating costs. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 is a structure schematic view of the photovoltaic panel cleaning device of the present application.

[0022] Fig. 2 is a top structure schematic view of the cleaning mechanism, water absorption mechanism and drying mechanism in the present application.

[0023] Fig. 3 is a bottom structure schematic view of the cleaning mechanism, water absorption mechanism and drying mechanism in the present application.

[0024] Fig. 4 is a sectional view of the water absorption mechanism in the present application.

[0025] Fig. 5 is a structure schematic view of the water absorption mechanism in the present application.

[0026] Fig. 6 is a structure schematic view of the drying mechanism in the present application.

[0027] 1 unmanned vehicle mechanism, 2 multi-joint robot arm, 3 cleaning mechanism, 31 cleaning support frame, 32 first motor, 33 soft brush roller, 34 spraying assembly, 341 liquid storage tank, 342 micro pump, 343 connecting pipe, 344 liquid outlet pipe, 345 liquid outlet nozzle, 4 water absorption mechanism, 41 water absorption support frame, 42 sponge assembly, 421 connecting cross strip, 422 sponge, 43 drainage assembly, 431 drainage screw rod, 432 moving block, 433 second motor, 434 inclined rod, 435 drainage roller, 5 drying mechanism, 51 drying support frame, 52 distance adjusting assembly, 521 vertical plate, 522 sliding rod, 523 distance adjusting screw rod, 524 third motor, 525 connecting plate, 53 drying assembly, 531 air blower, 532 drying air pipe, 533 drying air head, 534 connecting air pipe. DETAILED DESCRIPTION

[0028] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings. These embodiments are only used to illustrate the present application, and are not limiting to the present application.

[0029] In the description of the present application, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting to the present application. In addition, the terms "first", "second" are only for description purposes, and cannot be understood as indicating or implying relative importance.

[0030] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] In addition, in the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more.

[0032] Referring to FIG. 1 to FIG. 6, the application provides a cleaning device for photovoltaic panels, which can automatically clean photovoltaic panels using cleaning liquid, comprising an unmanned vehicle mechanism 1, a multi-joint mechanical arm 2 and a cleaning mechanism 3, one end of the multi-joint mechanical arm 2 is arranged on the unmanned vehicle mechanism 1, and the other end is connected with the cleaning mechanism 3; the cleaning mechanism 3 comprises a cleaning support frame 31 for providing support, a first motor 32 for providing power, a soft-bristle brush roller 33 for cleaning photovoltaic panels and a spraying assembly 34 for spraying cleaning liquid, the first motor 32, the soft-bristle brush roller 33 and the spraying assembly 34 are all arranged on the cleaning support frame 31, the output end of the first motor 32 is connected with the soft-bristle brush roller 33 and drives the soft-bristle brush roller 33 to rotate, optionally, the soft-bristle brush roller 33 rotates synchronously when the first motor 32 rotates; the spraying assembly 34 can spray cleaning liquid on the soft-bristle brush roller 33.

[0033] The basic working principle of the cleaning device for photovoltaic panels involved in the application is as follows: when cleaning photovoltaic panels, first move the unmanned vehicle mechanism 1 to the position required to be cleaned, then adjust the angle and position of the multi-joint mechanical arm 2 so that the cleaning mechanism 3 is in contact with the surface of the photovoltaic panels, and during the cleaning process, the unmanned vehicle mechanism 1 can move slowly; by arranging the unmanned vehicle mechanism 1 and the multi-joint mechanical arm 2, the cleaning work of the photovoltaic panels is no longer limited by weather and working time and the like, all-weather cleaning can be realized, the cleaning efficiency is greatly improved, and the multi-joint mechanical arm 2 can complete almost any trajectory or angle work, so that the cleaning mechanism 3 can clean all areas of the photovoltaic panels, greatly improving the uniformity of photovoltaic panel cleaning; by arranging the cleaning mechanism 3, when the first motor 32 rotates, it can drive the soft-bristle brush roller 33 to rotate and clean the photovoltaic panels, and the spraying assembly 34 can spray cleaning liquid on the soft-bristle brush roller 33, so that the cleaning liquid and the soft-bristle brush roller 33 are combined, which can gently and effectively clean the surface of the photovoltaic panels, can more thoroughly remove dust, dirt and other pollutants, maintain the high-efficiency conversion of the photovoltaic panels, and will not damage the surface of the photovoltaic panels, which helps to prolong the service life of the photovoltaic panels and maintain their high-efficiency output.

[0034] Referring to FIG. 1 to FIG. 6, the application is further described in the following specific embodiment:

[0035] In the embodiment, referring to FIG. 1, FIG. 2 and FIG. 3, as an optional design, the spraying assembly 34 comprises a liquid storage tank 341, a micro pump 342, a connecting pipe 343, a liquid outlet pipe 344 and liquid outlet nozzles 345, the liquid storage tank 341 is arranged on the cleaning support frame 31, the micro pump 342 is arranged on the liquid storage tank 341, an inlet end of the micro pump 342 is in communication with the liquid storage tank 341, one end of the connecting pipe 343 is connected with an outlet end of the micro pump 342, and the other end of the connecting pipe 343 is connected with the liquid outlet pipe 344, both ends of the liquid outlet pipe 344 are fixed on the cleaning support frame 31, and a length direction of the liquid outlet pipe 344 is parallel to a length direction of the soft-bristle brush roller 33, a plurality of liquid outlet nozzles 345 are arranged on the liquid outlet pipe 344, the liquid outlet nozzles 345 are evenly arranged along a length extension direction of the liquid outlet pipe 344, and outlet openings of the liquid outlet nozzles 345 are directed to the soft-bristle brush roller 33, so that the spraying of the cleaning liquid and the rotation of the soft-bristle brush roller 33 are combined, and dust, dirt and other pollutants can be more completely removed, and efficient conversion of the photovoltaic panel is ensured.

[0036] In the embodiment, referring to FIG. 1, FIG. 2 and FIG. 3, as an optional design, the cleaning mechanism 3 further comprises a water absorption mechanism 4 arranged at a rear side of the cleaning mechanism 3, the water absorption mechanism 4 comprises a water absorption support frame 41, a sponge assembly 42 and a water draining assembly 43, the sponge assembly 42 and the water draining assembly 43 are arranged on the water absorption support frame 41, the water absorption support frame 41 is fixedly connected at the rear side of the cleaning support frame 31, the sponge assembly 42 is connected to the water absorption support frame 41, and the sponge assembly 42 can absorb the cleaning liquid on the photovoltaic panel, the water draining assembly 43 can drain the cleaning liquid in the sponge assembly 42, and the water absorption mechanism 4 is located at the rear side of the cleaning mechanism 3, so that when the cleaning mechanism 3 cleans the photovoltaic panel, the water absorption mechanism 4 can quickly absorb the residual cleaning liquid on the photovoltaic panel, and water droplets or water stains are prevented from being formed, thereby improving the cleaning effect.

[0037] In the embodiment, referring to FIG. 4, as an optional design, the sponge assembly 42 comprises a connecting cross strip 421 and a sponge 422, the connecting cross strip 421 is arranged on the water absorption support frame 41, and the sponge 422 is detachably connected to the connecting cross strip 421, so that the structure is simple, and the sponge 422 can be quickly assembled and disassembled, and the sponge 422 is convenient to replace.

[0038] In the embodiment, referring to FIG. 1, FIG. 3 and FIG. 5, as an optional design, the draining assembly 43 comprises a draining screw rod 431, a moving block 432, a second motor 433, an inclined rod 434 and a draining roller 435. The draining screw rod 431 is arranged on the water absorption support frame 41 and above the sponge assembly 42. The moving block 432 is sleeved on the draining screw rod 431 and threadedly connected with the draining screw rod 431. The output end of the second motor 433 is connected with one end of the draining screw rod 431 and drives the draining screw rod 431 to rotate. When the draining screw rod 431 rotates, the moving block 432 can move along the length extension direction of the draining screw rod 431. The draining screw rod 431 is parallel to the length direction of the sponge assembly 42. Two inclined rods 434 are arranged on the front and back sides of the moving block 432 respectively. One end of the inclined rod 434 is fixedly connected with the moving block 432 and the other end is connected with the rotatable draining roller 435. The sponge 422 is located between the two draining rollers 435 and the two draining rollers 435 are tightly attached to the two side surfaces of the sponge 422 respectively. Specifically, when the second motor 433 drives the draining screw rod 431 to rotate, the draining screw rod 431 can drive the moving block 432 to reciprocally move along the length direction of the sponge assembly 42. When the second motor 433 rotates forward, the draining screw rod 431 drives the moving block 432 to move towards the second motor 433. When the second motor 433 reverses, the draining screw rod 431 drives the moving block 432 to move away from the second motor 433. While the moving block 432 moves, the moving block 432 drives the two draining rollers 435 to reciprocally squeeze the sponge assembly 42 through the two inclined rods 434, so as to accelerate the drainage of the water in the sponge assembly 42.

[0039] In the embodiment, referring to FIG. 1, FIG. 3 and FIG. 6, as an optional design, the drying mechanism 5 is arranged on the rear side of the water absorption mechanism 4. The drying mechanism 5 comprises a drying support frame 51 for providing support, a distance adjusting assembly 52 for adjusting the distance between the drying mechanism 5 and the water absorption mechanism 4 and a drying assembly 53 for drying the photovoltaic panel. The drying assembly 53 is arranged on the drying support frame 51. The distance adjusting assembly 52 connects the drying support frame 51 and the water absorption support frame 41 and can adjust the distance between the drying support frame 51 and the water absorption support frame 41. The drying mechanism 5 can simultaneously dry the photovoltaic panel after the cleaning mechanism 3 and the water absorption mechanism 4 sequentially clean and absorb water on the photovoltaic panel, so as to keep the surface of the photovoltaic panel dry. The dry surface of the photovoltaic panel is not easy to deposit water marks and dirt, so that the photovoltaic panel can more effectively absorb solar energy and convert it into electric energy, thereby improving the efficiency and energy output of the photovoltaic power station.

[0040] In the embodiment, referring to FIG. 1, FIG. 3 and FIG. 6, as an optional design, the distance adjusting assembly 52 comprises a vertical plate 521, a slide rod 522, a distance adjusting screw rod 523, a third motor 524 and a connecting plate 525, the vertical plate 521 is fixedly connected to the water absorption mechanism 4, the connecting plate 525 is fixedly connected to the drying support frame 51, and optionally, the connecting plate 525 is fixedly connected to the top of the drying support frame 51; one end of the slide rod 522 is fixedly connected to the vertical plate 521, the other end penetrates through the connecting plate 525, and the slide rod 522 is slidingly connected to the connecting plate 525; one end of the distance adjusting screw rod 523 penetrates through the vertical plate 521 and is connected to the output end of the third motor 524, the other end penetrates through the connecting plate 525, and the distance adjusting screw rod 523 is threadedly connected to the connecting plate 525; the axis of the slide rod 522 is parallel to the axis of the distance adjusting screw rod 523, and the third motor 524 can drive the distance adjusting screw rod 523 to rotate; specifically, the third motor 524 drives the distance adjusting screw rod 523 to rotate, the distance adjusting screw rod 523 drives the drying support frame 51 to slide along the length extension direction of the slide rod 522 through the connecting plate 525, so as to change the distance between the drying support frame 51 and the water absorption support frame 41; when the third motor 524 rotates forward, the distance adjusting screw rod 523 drives the drying support frame 51 to move towards the water absorption mechanism 4 through the connecting plate 525; when the third motor 524 reverses, the distance adjusting screw rod 523 drives the drying support frame 51 to move away from the water absorption mechanism 4 through the connecting plate 525; different drying distances required by different working tasks can be met, the photovoltaic panel can be ensured to be always in the best drying effect, the distance between the drying mechanism 5 and the water absorption mechanism 4 can be adjusted to ensure that the hot air of the drying mechanism 5 can effectively cover the surface of the water absorption mechanism 4 after water absorption, so as to quickly and completely complete the drying process, and meanwhile, by accurately controlling the drying distance, the situation of excessive heating or uneven drying can be avoided, so as to improve the material performance and service life of the photovoltaic panel.

[0041] In the embodiment, referring to Figure 6, as an optional design, the drying assembly 53 comprises a blower 531, a drying air pipe 532, a drying air head 533, a connecting air pipe 534, an electric heating wire and a temperature sensor, the blower 531 is arranged on the drying support frame 51, one end of the connecting air pipe 534 is connected with the air outlet end of the blower 531, and the other end is connected with the drying air pipe 532, the inside of the connecting air pipe 534 is provided with the electric heating wire and the temperature sensor, the electric heating wire can heat the cold air generated by the blower 531 during work to become hot air, and the temperature of the hot air is detected by the temperature sensor, so that the temperature of the hot air is within a suitable drying range, the safety of the drying process is improved, and the drying effect of the photovoltaic panel is ensured; the length extension direction of the drying air pipe 532 is parallel to the length extension direction of the soft-brush roller 33 of the cleaning mechanism 3, a plurality of drying air heads 533 are arranged on the drying air pipe 532, and the drying air heads 533 are uniformly arranged along the length extension direction of the drying air pipe 532, the hot air heated by the electric heating wire is transmitted to the inside of the drying air pipe 532, and then is delivered to the surface of the cleaned and water-absorbed photovoltaic panel through the drying air heads 533, so that the photovoltaic panel is dried, and the working efficiency and energy output of the panel are improved.

[0042] In the embodiment, referring to Figure 1, as an optional design, the unmanned vehicle mechanism 1 is arranged as a caterpillar robot, has good motion ability, maneuverability and adaptability to complex ground, is easier to control, has large traction and is not easy to slip.

[0043] In the embodiment, referring to Figure 1, as an optional design, the multi-joint mechanical arm 2 is arranged as a three-joint mechanical arm, is suitable for almost any trajectory or angle work, and can be freely programmed to complete fully automatic work, so that the working efficiency is improved and the failure rate is reduced.

[0044] As described above, the cleaning device for photovoltaic panel has the following beneficial effects:

[0045] 1. By arranging the unmanned vehicle mechanism 1, the multi-joint mechanical arm 2 and the cleaning mechanism 3, the cleaning work is no longer limited by weather, working time and other factors, all-weather cleaning can be realized, the cleaning efficiency is greatly improved, the multi-joint mechanical arm 2 can complete almost any trajectory or angle work, the cleaning mechanism 3 can clean all areas of the photovoltaic panel, the uniformity of photovoltaic panel cleaning is greatly improved, the soft-brush roller 33 and the spraying assembly 34 of the cleaning mechanism 3 will not damage the surface of the photovoltaic panel, which helps to prolong the service life of the photovoltaic panel, and can more thoroughly remove dust, dirt and other pollutants to maintain the high efficiency output of the photovoltaic panel.

[0046] 2、By setting the water absorption mechanism 4, ensure that the photovoltaic panel after cleaning mechanism 3 to complete the cleaning can quickly remove the waste liquid and keep dry, sponge assembly 42 by absorbing the waste liquid did not slip, avoid the formation of water droplets or water spots, so as to ensure the cleaning effect, when the sponge assembly 42 storage of a large amount of moisture, can be through the drainage assembly 43 dripping water in the sponge assembly 42, not only can quickly handle waste liquid, but also can effectively keep the surface of the photovoltaic panel dry, prevent the water droplets or water spots, and reduce the need for manual operation, improve the efficiency of the cleaning process, while reducing operating costs.

[0047] 3、By setting the drying mechanism 5 for photovoltaic panel hot air drying, ensure that the surface of the photovoltaic panel completely dry, can effectively avoid the water droplets or water spots, keep the photovoltaic panel clean, and then improve the efficiency and energy output of photovoltaic system, dry photovoltaic panel surface is not easy to deposit water marks and dirt, help to extend the cleaning interval, reduce the frequency and cost of cleaning, and drying mechanism 5 can keep the photovoltaic panel clean and dry, so that the photovoltaic panel more effectively absorb solar energy and convert into electrical energy, improve the reliability and stability of the whole energy system, and drying mechanism 5 reduces the need for manual operation, can further improve the efficiency of the cleaning process and further reduce operating costs.

[0048] In summary, the present application effectively overcomes the shortcomings of the prior art and has high industrial value.

[0049] The above examples are only illustrative of the principles and effects of the present application, and are not intended to limit the present application. Any person skilled in the art can modify or change the above examples without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical idea of the present application should be covered by the claims of the present application.

Claims

1. A cleaning device for photovoltaic panels, capable of automatically cleaning photovoltaic panels using a cleaning fluid, characterized in that: The utility model provides a photovoltaic panel cleaning device, including unmanned vehicle mechanism (1), multi -joint mechanical arm (2) and cleaning mechanism (3), one end of multi -joint mechanical arm (2) is arranged on unmanned vehicle mechanism (1), and the other end is connected with cleaning mechanism (3), cleaning mechanism (3) includes the cleaning support frame (31) for providing support, the first motor (32) for providing power, the soft brush roller (33) for cleaning photovoltaic panel and the spray assembly (34) for spraying cleaning fluid, first motor (32), soft brush roller (33) and spray assembly (34) are all arranged on cleaning support frame (31), the output end of first motor (32) is connected with soft brush roller (33), and first motor (32) drives soft brush roller (33) to rotate, and spray assembly (34) can spray cleaning fluid on soft brush roller (33).

2. The device for cleaning photovoltaic panels according to claim 1, characterized in that: The spray assembly (34) includes a liquid storage tank (341), a micro pump (342), a connecting pipe (343), a liquid outlet pipe (344), and a liquid outlet nozzle (345). The liquid storage tank (341) is arranged on the cleaning support frame (31). The micro pump (342) is arranged on the liquid storage tank (341). The inlet of the micro pump (342) is connected with the liquid storage tank (341). One end of the connecting pipe (343) is connected with the outlet of the micro pump (342), and the other end is connected with the liquid outlet pipe (344). The length direction of the liquid outlet pipe (344) is parallel to the length direction of the soft brush roller (33). A plurality of liquid outlet nozzles (345) are arranged on the liquid outlet pipe (344) and evenly distributed along the length direction of the liquid outlet pipe (344).

3. The cleaning device of a photovoltaic panel according to claim 1 or 2, characterized in that: The utility model also includes a water absorption mechanism (4) arranged at the rear side of the cleaning mechanism (3). The water absorption mechanism (4) includes a water absorption support frame (41), a sponge assembly (42), and a water draining assembly (43). The sponge assembly (42) and the water draining assembly (43) are arranged on the water absorption support frame (41). The water absorption support frame (41) is fixedly connected to the rear side of the cleaning support frame (31). The sponge assembly (42) is connected to the water absorption support frame (41) and can absorb the cleaning fluid on the photovoltaic panel. The water draining assembly (43) can drain the cleaning fluid in the sponge assembly (42).

4. The device for cleaning photovoltaic panels according to claim 3, characterized in that: The sponge assembly (42) includes a connecting cross strip (421) and a sponge (422). The connecting cross strip (421) is arranged on the water absorption support frame (41). The sponge (422) is detachably connected to the connecting cross strip (421).

5. The device for cleaning photovoltaic panels according to claim 4, characterized in that: The water draining assembly (43) comprises a water draining screw rod (431), a moving block (432), a second motor (433), an inclined rod (434) and a water draining roller (435), the water draining screw rod (431) is arranged on the water absorbing support frame (41) and above the sponge assembly (42), the moving block (432) is sleeved on the water draining screw rod (431) and threadedly connected with the water draining screw rod (431), the output end of the second motor (433) is connected with one end of the water draining screw rod (431) and drives the water draining screw rod (431) to rotate, the moving block (432) can move along the length extension direction of the water draining screw rod (431) when the water draining screw rod (431) rotates, the water draining screw rod (431) is parallel to the length direction of the sponge assembly (42), two inclined rods (434) are arranged on the front and back sides of the moving block (432) respectively, one end of the inclined rod (434) is fixedly connected with the moving block (432), the other end is connected with the rotatable water draining roller (435), the sponge (422) is located between the two water draining rollers (435) and the two water draining rollers (435) are tightly attached to the two side surfaces of the sponge (422) respectively.

6. The device for cleaning photovoltaic panels according to claim 5, characterized in that: The drying mechanism (5) is arranged on the rear side of the water absorbing mechanism (4), the drying mechanism (5) comprises a drying support frame (51) for providing support, a distance adjusting assembly (52) for adjusting the distance between the drying mechanism (5) and the water absorbing mechanism (4) and a drying assembly (53) for drying the photovoltaic panel, the drying assembly (53) is arranged on the drying support frame (51), the distance adjusting assembly (52) is connected with the drying support frame (51) and the water absorbing support frame (41) and can adjust the distance between the drying support frame (51) and the water absorbing support frame (41).

7. The device for cleaning photovoltaic panels according to claim 6, characterized in that: The distance adjusting assembly (52) comprises a vertical plate (521), a slide rod (522), a distance adjusting screw rod (523), a third motor (524) and a connecting plate (525), the vertical plate (521) is fixedly connected with the water absorbing mechanism (4), the connecting plate (525) is fixedly connected with the drying support frame (51), one end of the slide rod (522) is fixedly connected with the vertical plate (521), the other end penetrates through the connecting plate (525) and the slide rod (522) is slidingly connected with the connecting plate (525), one end of the distance adjusting screw rod (523) penetrates through the vertical plate (521) and is connected with the output end of the third motor (524), the other end penetrates through the connecting plate (525) and the distance adjusting screw rod (523) is threadedly connected with the connecting plate (525), the axis of the slide rod (522) is parallel to the axis of the distance adjusting screw rod (523), the third motor (524) can drive the distance adjusting screw rod (523) to rotate.

8. The photovoltaic panel cleaning device according to claim 6, characterized in that: The drying assembly (53) comprises a blower (531), a drying air pipe (532), a drying air head (533), a connecting air pipe (534), an electric heating wire and a temperature sensor, the blower (531) is arranged on the drying support frame (51), one end of the connecting air pipe (534) is connected with the air outlet end of the blower (531), the other end is connected with the drying air pipe (532), the electric heating wire and the temperature sensor are arranged in the connecting air pipe (534), the length extension direction of the drying air pipe (532) is parallel to the length extension direction of the soft brush roller (33) of the cleaning mechanism (3), a plurality of drying air heads (533) are arranged on the drying air pipe (532) and are uniformly arranged along the length extension direction of the drying air pipe (532).

9. The photovoltaic panel cleaning device according to claim 1, characterized in that: The unmanned vehicle mechanism (1) is arranged as a tracked robot.

10. The photovoltaic panel cleaning device according to claim 1, characterized in that: The multi-joint mechanical arm (2) is arranged as a three-joint mechanical arm.

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