A cleaning device for photovoltaic panels

Abstract

The application relates to a cleaning device for a photovoltaic panel, which can automatically clean the photovoltaic panel by using cleaning liquid, and comprises 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-bristle brush roller for cleaning the photovoltaic panel and a spraying assembly for spraying the cleaning liquid, the first motor, the soft-bristle 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-bristle brush roller and drives the soft-bristle brush roller to rotate, and the spraying assembly can spray the cleaning liquid on the soft-bristle brush roller.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of photovoltaic panel cleaning, in particular to a photovoltaic panel cleaning device. BACKGROUND

[0002] The photovoltaic panel is the most basic and important mechanism in the photovoltaic power station for generating electricity, and the light intensity of the sunlight received will directly affect the output power of the solar panel. However, the photovoltaic power station is mostly built in sandy land, hardened land, saline-alkali land and hilly land, where the natural environment is harsh, the wind and dust are serious, and the photovoltaic panel is most seriously blocked by dust and sand. Dust on the photovoltaic panel not only reduces the power generation efficiency, but also causes hot spot effect and acid-alkali corrosion, greatly shortening the service life of the photovoltaic panel.

[0003] At present, the main means for cleaning large-scale solar photovoltaic panels of the photovoltaic power station is to use water spraying equipment combined with manual operation, and workers directly hold high-pressure water guns to spray and clean the photovoltaic panel. This method has many problems, such as: 1. Manual operation cannot guarantee the uniformity of cleaning, some areas cannot be thoroughly cleaned, which greatly affects the power generation efficiency of the photovoltaic panel; 2. The manual operation method is easily affected by weather and working time, and cannot realize all-weather cleaning; 3. The manual operation method is low in efficiency and difficult to complete efficient cleaning. SUMMARY

[0004] 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 photovoltaic panel cleaning device which can improve the cleaning efficiency and uniformity of the photovoltaic panel and realize all-weather cleaning.

[0005] To achieve the above-mentioned purpose, the present application provides a photovoltaic panel cleaning device which can automatically clean the photovoltaic panel using 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 the photovoltaic panel 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.

[0006] Further, the spraying assembly comprises a liquid storage tank, a micro pump, a connecting pipe, a liquid outlet pipe and liquid outlet nozzles, 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, the other end of the connecting pipe is connected with the liquid outlet pipe, the length direction of the liquid outlet pipe is parallel to the length direction of the soft-bristle 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 direction of the liquid outlet pipe.

[0007] Further, the water absorption mechanism arranged at the rear side of the cleaning mechanism comprises a water absorption support frame, a sponge assembly and a water draining assembly, the sponge assembly and the water draining assembly are arranged on the water absorption support frame, the water absorption support frame is fixedly connected to the rear side of the cleaning support frame, the sponge assembly is connected to the water absorption support frame and can absorb the cleaning liquid on the photovoltaic panel, and the water draining assembly can drain the cleaning liquid in the sponge assembly.

[0008] Further, the sponge assembly comprises a connecting horizontal strip and a sponge, the connecting horizontal strip is arranged on the water absorption support frame, and the sponge is detachably connected to the connecting horizontal strip.

[0009] Further, the water draining assembly comprises a water draining lead screw, a moving block, a second motor, inclined rods and water draining rollers, the water draining lead screw is arranged on the water absorption support frame and above the sponge assembly, the moving block is sleeved on the water draining lead screw and is threadedly connected with the water draining lead screw, the output end of the second motor is connected with one end of the water draining lead screw and drives the water draining lead screw to rotate, the moving block can move along the length direction of the water draining lead screw when the water draining lead screw rotates, the water draining lead screw is parallel to the length direction of the sponge assembly, two inclined rods are arranged on the front and back sides of the moving block respectively, one end of each inclined rod is fixedly connected with the moving block, and the other end of each inclined rod is connected with a rotatable water draining roller, the sponge is located between the two water draining rollers, and the two water draining rollers are tightly attached to the two side surfaces of the sponge respectively.

[0010] Further, the drying mechanism arranged at the rear side of the water absorption 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, 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.

[0011] Further, the distance adjusting assembly comprises a vertical plate, a slide rod, a distance adjusting screw rod, a third motor and a connecting plate, the vertical plate is fixedly connected to the water absorbing mechanism, the connecting plate is fixedly connected to the drying support frame, one end of the slide rod is fixedly connected to the vertical plate, the other end of the slide rod passes through the connecting plate and is slidably connected to 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 threadedly connected to the connecting plate, the axis of the slide 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.

[0012] Further, the drying assembly comprises a blower, a drying air pipe, a drying air head, a connecting air pipe, an electric heating wire and a temperature sensor, the blower is arranged on the drying support frame, one end of the connecting air pipe is connected to the air outlet end of the 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 uniformly arranged along the length extension direction of the drying air pipe.

[0013] Further, the unmanned vehicle mechanism is arranged as a track robot.

[0014] Further, the multi-joint mechanical arm is arranged as a three-joint mechanical arm.

[0015] As described above, the cleaning device for photovoltaic panels according to the present application has the following beneficial effects:

[0016] 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 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.

[0017] 2. By arranging the water absorbing mechanism, the photovoltaic panel can be quickly removed after the cleaning mechanism completes the cleaning, and the sponge assembly can quickly remove the waste liquid and keep the photovoltaic panel dry, the sponge assembly can absorb the waste liquid that does not slide off, avoid the formation of water droplets or water spots, and ensure the cleaning effect, when the sponge assembly stores a large amount of water, the water in the sponge assembly can be drained through the water draining assembly, which can not only quickly handle the waste liquid, but also effectively keep the surface of the photovoltaic panel dry, prevent the residual of water droplets or water spots, and reduce the need for manual operation, improve the efficiency of the cleaning process, and reduce the operating cost.

[0018] 3、By setting the drying mechanism to dry the photovoltaic panel with hot air, it ensures that the surface of the photovoltaic panel is completely dry, which can effectively avoid the residue of water droplets or water spots, keep the photovoltaic panel clean, and thus improve the efficiency and energy output of the photovoltaic system. The dry photovoltaic panel surface is not easy to deposit water marks and dirt, which helps to prolong the cleaning interval, reduce the frequency and cost of cleaning, and the drying mechanism can keep the photovoltaic panel clean and dry, making the photovoltaic panel more effectively absorb solar energy and convert it into electrical energy, improving the reliability and stability of the entire energy system, and the drying mechanism reduces the need for manual operation, which can further improve the efficiency of the cleaning process and further reduce operating costs. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure diagram of the cleaning device of the photovoltaic panel of the application.

[0020] Figure 2 It is a top structure diagram of the cleaning mechanism, water absorption mechanism and drying mechanism in the application.

[0021] Figure 3 It is a bottom structure diagram of the cleaning mechanism, water absorption mechanism and drying mechanism in the application.

[0022] Figure 4 It is a sectional view of the water absorption mechanism in the application.

[0023] Figure 5 It is a structure diagram of the water absorption mechanism in the application.

[0024] Figure 6 It is a structure diagram of the drying mechanism in the application.

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 1, unmanned vehicle mechanism, 2, multi-joint mechanical 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

[0027] The specific embodiments of the present application will be further described in conjunction with the drawings. These embodiments are only used to illustrate the present application, and are not intended to limit the present application.

[0028] 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 the present application. In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance.

[0029] 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; 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.

[0030] In addition, in the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0031] Referring to Figures 1 to 6 The present 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 brush roller 33 for cleaning photovoltaic panels and a spraying assembly 34 for spraying cleaning liquid, the first motor 32, the soft 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 brush roller 33 and drives the soft brush roller 33 to rotate, preferably, the soft brush roller 33 rotates synchronously when the first motor 32 rotates; the spraying assembly 34 can spray cleaning liquid on the soft brush roller 33.

[0032] The basic working principle of the cleaning device of the photovoltaic panel relates to the following: when the photovoltaic panel is cleaned, the unmanned vehicle mechanism 1 is first moved to the position required to be cleaned, then the angle and position of the multi-joint mechanical arm 2 are adjusted, so that the cleaning mechanism 3 is in contact with the surface of the photovoltaic panel, and in the process of cleaning, the unmanned vehicle mechanism 1 can slowly move; by arranging the unmanned vehicle mechanism 1 and the multi-joint mechanical arm 2, the cleaning work of the photovoltaic panel 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 panel, and the uniformity of the photovoltaic panel cleaning is greatly improved; by arranging the cleaning mechanism 3, when the first motor 32 rotates, the soft brush roller 33 can be driven to rotate and clean the photovoltaic panel, and the spraying assembly 34 can spray the cleaning liquid on the soft brush roller 33, so that the cleaning liquid and the soft brush roller 33 are combined, the surface of the photovoltaic panel can be gently and effectively cleaned, dust, dirt and other pollutants can be more completely removed, the high-efficiency conversion of the photovoltaic panel can be maintained, and the surface of the photovoltaic panel will not be damaged, which helps to prolong the service life of the photovoltaic panel and maintain the high-efficiency output thereof.

[0033] Referring to Figures 1 to 6 , the present application will be further described in detail with one specific embodiment as follows:

[0034] In this embodiment, referring to Figure 1 , Figure 2 and Figure 3 , as a preferred 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 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 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 the outlet end of the micro pump 342, the other end 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 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, the liquid outlet nozzles 345 are uniformly arranged along the length extension direction of the liquid outlet pipe 344, and the outlet of the liquid outlet nozzle 345 faces the soft brush roller 33, so that the spraying of the cleaning liquid and the rotation of the soft brush roller 33 are combined, dust, dirt and other pollutants can be more completely removed, and the high-efficiency conversion of the photovoltaic panel is ensured.

[0035] In this embodiment, referring to Figure 1 , Figure 2 and Figure 3As a preferred design, the water absorption mechanism 4 is further arranged at the 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 both 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 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, and when the cleaning mechanism 3 cleans the photovoltaic panel, the water absorption mechanism 4 follows immediately and can quickly absorb the residual cleaning liquid on the photovoltaic panel, preventing the formation of water droplets and water stains, thereby improving the cleaning effect.

[0036] In the embodiment, referring to Figure 4 As a preferred design, the sponge assembly 42 comprises a connecting horizontal strip 421 and a sponge 422, the connecting horizontal strip 421 is arranged on the water absorption support frame 41, and the sponge 422 is detachably connected to the connecting horizontal strip 421, so that the structure is simple, and the sponge 422 can be quickly assembled and detached, and the sponge 422 is convenient to replace.

[0037] In the embodiment, referring to Figure 1 , Figure 3 and Figure 5As a preferred 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 extrude the sponge assembly 42 through the two inclined rods 434, so as to accelerate the drainage of water in the sponge assembly 42.

[0038] In the embodiment, referring to Figure 1 , Figure 3 and Figure 6 , as a preferred design, the drying mechanism 5 is further arranged at 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 synchronously dry the photovoltaic panel after the cleaning mechanism 3 and the water absorption mechanism 4 sequentially clean and absorb water of 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.

[0039] In the embodiment, referring to Figure 1 , Figure 3 and Figure 6As a preferred design, the distance adjusting assembly 52 comprises a vertical plate 521, a sliding 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, preferably, the connecting plate 525 is fixedly connected to the top of the drying support frame 51, one end of the sliding rod 522 is fixedly connected to the vertical plate 521, the other end of the sliding rod 522 passes through the connecting plate 525 and the sliding rod 522 is slidingly connected to the connecting plate 525, one end of the distance adjusting screw rod 523 passes through the vertical plate 521 and is connected to the output end of the third motor 524, the other end of the distance adjusting screw rod 523 passes through the connecting plate 525 and the distance adjusting screw rod 523 is threadedly connected to the connecting plate 525, the axis of the sliding 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 sliding 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, and the distance between the drying mechanism 5 and the water absorption mechanism 4 is adjusted, so that the hot air of the drying mechanism 5 can effectively cover the surface of the water absorption mechanism 4 after water absorption, so that the drying process is quickly and completely completed, at the same time, 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.

[0040] In the embodiment, referring to Figure 6As a preferred 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 electric heating wire and the temperature sensor are arranged in the connecting air pipe 534, 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 uniformly arranged along the length extension direction of the drying air pipe 532, the hot air heated by the electric heating wire is transmitted into the drying air pipe 532, and then is delivered to the surface of the cleaned and water-absorbed photovoltaic panel through each drying air head 533 to dry the photovoltaic panel, so that the surface of the photovoltaic panel is completely dried, and the working efficiency and energy output of the panel are improved.

[0041] In the embodiment, referring to Figure 1 As a preferred design, the unmanned vehicle mechanism 1 is arranged as a tracked robot, has good motion ability, maneuverability and adaptability to complex ground, is easier to control, has large traction and is not easy to slip.

[0042] In the embodiment, referring to Figure 1 As a preferred design, the multi-joint mechanical arm 2 is arranged as a three-joint mechanical arm, is suitable for work of almost any trajectory or angle, can be freely programmed and complete fully automatic work, so that the working efficiency is improved and the failure rate is reduced.

[0043] As described above, the cleaning device for photovoltaic panel has the following beneficial effects:

[0044] 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 work of almost any trajectory or angle, 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, help to prolong the service life of the photovoltaic panel, and can more completely remove dust, dirt and other pollutants, and maintain the high efficiency output of the photovoltaic panel.

[0045] 2、By setting the water absorption mechanism 4, ensure that the photovoltaic panel after cleaning mechanism 3 can quickly remove 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 drip out of the 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 of the residual, and reduce the need for manual operation, improve the efficiency of the cleaning process, while reducing operating costs.

[0046] 3、By setting the drying mechanism 5 for photovoltaic panel hot air drying, ensure that the surface of the photovoltaic panel is 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 the photovoltaic system, the 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 the drying mechanism 5 can keep the photovoltaic panel clean and dry, so that the photovoltaic panel can effectively absorb solar energy and convert it into electrical energy, improve the reliability and stability of the whole energy system, and the drying mechanism 5 reduces the need for manual operation, which can further improve the efficiency of the cleaning process and further reduce operating costs.

[0047] In summary, the present application effectively overcomes the shortcomings of the prior art and has high industrial utilization value.

[0048] The above examples only illustrate 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 disclosed by 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 liquid, first motor (32), soft brush roller (33) and spray assembly (34) are all arranged on cleaning support frame (31), the output of first motor (32) is connected with soft brush roller (33), and first motor (32) drives soft brush roller (33) to rotate, spray assembly (34) can spray cleaning liquid on soft brush roller (33), still including the water absorption mechanism (4) of setting in the rear side of cleaning mechanism (3), water absorption mechanism (4) includes water absorption support frame (41), sponge assembly (42) and drainage assembly (43), sponge assembly (42) and drainage assembly (43) are all arranged on water absorption support frame (41), water absorption support frame (41) is fixedly connected at the rear side of cleaning support frame (31), sponge assembly (42) is connected on water absorption support frame (41), and sponge assembly (42) can absorb cleaning liquid on photovoltaic panel, drainage assembly (43) can drain cleaning liquid in sponge assembly (42), sponge assembly (42) includes connecting cross strip (421) and sponge (422), connecting cross strip (421) is arranged on water absorption support frame (41), and sponge (422) is detachably connected on connecting cross strip (421), drainage assembly (43) includes drainage screw rod (431), moving block (432), second motor (433), inclined rod (434) and drainage roller (435), drainage screw rod (431) is arranged on water absorption support frame (41) and is located above sponge assembly (42), moving block (432) is sleeved on drainage screw rod (431) and is threadedly connected with drainage screw rod (431), the output of second motor (433) is connected with one end of drainage screw rod (431) and drives drainage screw rod (431) to rotate, when drainage screw rod (431) rotates, moving block (432) can move along the length extension direction of drainage screw rod (431), drainage screw rod (431) is parallel to the length direction of sponge assembly (42), the front and back two sides of moving block (432) are provided with two inclined rods (434) respectively, one end of inclined rod (434) is fixedly connected with moving block (432), and the other end is connected with rotatable drainage roller (435), sponge (422) is located between two drainage rollers (435), and two drainage rollers (435) are respectively close to the two side surfaces of sponge (422).Further comprising a drying mechanism (5) arranged at 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).

2. The device for cleaning photovoltaic panels according to claim 1, characterized in that: The spraying assembly (34) comprises 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 end of the micro pump (342) is communicated with the liquid storage tank (341), one end of the connecting pipe (343) is connected with the outlet end of the micro pump (342), 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-bristle brush roller (33), a plurality of liquid outlet nozzles (345) are arranged on the liquid outlet pipe (344), and the liquid outlet nozzles (345) are uniformly arranged along the length extension direction of the liquid outlet pipe (344).

3. The device for cleaning photovoltaic panels according to claim 2, characterized in that: The distance adjusting assembly (52) comprises a vertical plate (521), a sliding 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), one end of the sliding rod (522) is fixedly connected to the vertical plate (521), the other end penetrates through the connecting plate (525), and the sliding 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 sliding 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.

4. The photovoltaic panel cleaning device according to claim 2, 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 to the air outlet end of the blower (531), the other end is connected to 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-bristle brush roller (33) of the cleaning mechanism (3), and a plurality of drying air heads (533) are arranged on the drying air pipe (532) and uniformly arranged along the length extension direction of the drying air pipe (532).

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

6. 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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