Photovoltaic power station operation and maintenance system

Abstract

The invention discloses a photovoltaic power station operation and maintenance system, and the system comprises an operation and maintenance trolley which is provided with a water tank; the operation and maintenance support is a U-shaped frame, and the opening end of the operation and maintenance support is rotationally connected with the water tank and driven by a first driving assembly to rotate; the first mounting plate is in sliding connection with the front side and the rear side of the operation and maintenance support and is driven by a second driving assembly to move; the multiple cleaning brushes are arranged at the bottom of the front side of the first mounting plate in a staggered mode in the length direction of the first mounting plate and driven by a third driving assembly to rotate; the multiple nozzles are arranged at the bottom of the rear side of the first mounting plate at intervals in the length direction of the first mounting plate; the fixed water supply pipe is fixedly arranged at the top of the first mounting plate, supplies water to the multiple nozzles and communicates with a water pump arranged in the water tank; the cleaning brush comprises multiple bundles of first bristles and multiple bundles of second bristles which are arranged in a staggered mode, the hardness of the first bristles is larger than that of the second bristles, and the multiple bundles of first bristles are arranged in the multiple bundles of second bristles in an up-down moving mode. The device has the advantages of high cleaning efficiency, good effect and the like.

Description

Technical Field

[0001] The present invention relates to the field of photovoltaic power station operation and maintenance, and more specifically, to a photovoltaic power station operation and maintenance system. Background Art

[0002] During the use of photovoltaic power stations, dust, bird droppings, leaves and other stains will gradually accumulate on the surface of photovoltaic panels, and the surface of photovoltaic panels needs to be cleaned regularly. At present, the cleaning of stains on photovoltaic panels is mainly done manually. The manual cleaning method is costly, inefficient, and there are safety hazards in the cleaning process. There are also devices used to clean the stains on photovoltaic panels. For example, the invention patent with application number 202110149475.7 discloses an intelligent operation and maintenance system for photovoltaic power stations, including: a dust accumulation monitoring module, a control module and a cleaning module; wherein the dust accumulation monitoring module includes a plurality of dust accumulation monitoring units distributed at different positions of photovoltaic components, and the dust accumulation monitoring unit is used to collect dust accumulation data on the surface of photovoltaic components; the control module is used to determine whether the dust accumulation data exceeds the set dust accumulation threshold, and if it exceeds the set dust accumulation threshold, a cleaning instruction is issued to the cleaning module; the cleaning module is used to execute the cleaning instruction to clean the photovoltaic components. This patent uses an automatic cleaning module to completely replace manual work to clean photovoltaic panels, with high cleaning efficiency and low average cost. However, in this patent, when the cleaning module is used for cleaning, the roller is driven by a servo motor to move the cleaning module along the surface of the photovoltaic component. During the movement, the cleaning brush is driven to wipe the surface of the photovoltaic component after washing to clean dust and other debris. The cleaning effect is poor. For stubborn stains such as bird droppings, it often requires repeated wiping to clean the stains. Summary of the invention

[0003] The object of the present invention is to provide a photovoltaic power station operation and maintenance system to at least solve the above-mentioned problems.

[0004] In order to achieve the purpose and other advantages of the present invention, a photovoltaic power station operation and maintenance system is provided, comprising: an operation and maintenance trolley, on which a water tank is provided; an operation and maintenance bracket, which is a U-shaped bracket, the open end of the operation and maintenance bracket is rotatably connected to the front and rear sides of the water tank and is driven to rotate by a first drive component; a first mounting plate, which is parallel to the open end of the operation and maintenance bracket and is slidably connected to the front and rear sides of the operation and maintenance bracket, and the first mounting plate is driven by a second drive component to move along the length direction of the front and rear sides of the operation and maintenance bracket; a plurality of cleaning brushes, which are staggered along the length direction of the first mounting plate at the bottom of one side of the first mounting plate close to the open end of the operation and maintenance bracket, and the plurality of cleaning brushes are driven by a third drive component Dynamic rotation; multiple nozzles, which are spaced apart along the length direction of the first mounting plate at the bottom of one side of the first mounting plate away from the open end of the operation and maintenance bracket; a fixed water supply pipe, which is fixed on the top of the first mounting plate along the length direction of the first mounting plate to supply water to the multiple nozzles, one end of the fixed water supply pipe is closed, and the other end is connected to the water pump arranged in the water tank through a telescopic water supply pipe; wherein the cleaning brush includes multiple bundles of first bristles and multiple bundles of second bristles arranged in an alternating manner, the hardness of the first bristles is greater than the hardness of the second bristles, and the multiple bundles of first bristles can be movably arranged up and down in the multiple bundles of second bristles to protrude from the multiple bundles of second bristles or retract into the multiple bundles of second bristles.

[0005] Preferably, the cleaning brush comprises, from bottom to top, a coaxially arranged brush head, a first connecting part and a second connecting part; the diameters of the brush head and the first connecting part are equal, a cavity is formed at the lower part of the first connecting part, a connecting plate is provided in the cavity, the side walls of the connecting plate are slidably connected to the inner wall of the cavity up and down, the top circumference of the connecting plate is elastically connected to the top circumference of the cavity, and a magnet is provided at the top of the connecting plate, an electromagnet is provided at the top of the cavity, the electromagnet and the magnet are arranged opposite to each other and magnetically repel each other, the multiple bundles of first bristles are arranged at intervals at the bottom of the connecting plate, a multiple bristle holes for the multiple bundles of first bristles to pass through are opened on the brush head, and the multiple bundles of second bristles are arranged at intervals on the brush head; the diameter of the second connecting part is smaller than the diameter of the first connecting part, and the second connecting part is rotatably connected to the bottom of the first mounting plate.

[0006] Preferably, a stain detection sensor is provided on one side of each cleaning brush close to the open end of the operation and maintenance bracket, and the stain detection sensor is fixed to the bottom of the first mounting plate and connected to the electromagnet signal.

[0007] Preferably, the first driving assembly includes a first motor, which is fixed on the water tank, a first bevel gear is fixed on the output shaft of the first motor, a second bevel gear is fixed at one end of the rotating shaft and meshes with the first bevel gear, the rotating shaft passes through the front and rear sides of the water tank and is rotatably connected to the side wall of the water tank, and the two ends of the rotating shaft are respectively fixedly connected to the open ends of the operation and maintenance bracket.

[0008] Preferably, the second driving assembly includes a second mounting plate, which is parallel to the first mounting plate and fixedly mounted on one side of the operation and maintenance bracket close to its open end; a double-headed motor, which is fixedly mounted on the top of the second mounting plate; two winding rollers, which are respectively fixedly mounted on the front and rear sides of the operation and maintenance bracket close to one end of the open end and are transmission-connected to the double-headed motor; two sets of guide pulleys, which are respectively arranged on the front and rear sides of the operation and maintenance bracket away from one end of the open end; two driving ropes, one end of which is fixedly connected to a winding roller, and the other end of which is fixedly connected to the first mounting plate after being guided by a guide pulley group located on the same side of the winding roller.

[0009] Preferably, guide grooves are provided on the opposite side walls on the front and rear sides of the operation and maintenance bracket along the length direction thereof, and ear plates and rollers are respectively fixed at both ends of the first mounting plate, and the ear plates and rollers are both arranged in the guide grooves and connected to the guide grooves through the rollers, and a through groove which passes through the upper and lower ends of the guide groove is provided at one end of the guide groove away from the open end of the operation and maintenance bracket, and the through groove is connected to the guide groove, and the guide pulley group is embedded in the through groove.

[0010] Preferably, the third driving assembly includes a plurality of gears corresponding one-to-one to the plurality of cleaning brushes, each gear being mounted on the second connecting portion of the corresponding cleaning brush, the gears on two adjacent second connecting portions being meshed with each other, a second motor being fixed on the top of the first mounting plate, and an output shaft of the second motor being transmission-connected to one of the second connecting portions.

[0011] Preferably, a water supply pipe groove is provided on the front side or the rear top of the operation and maintenance bracket along its length direction, and one side wall of the water supply pipe groove close to the operation and maintenance bracket is recessed downward to form a make way groove, and a first connecting pipe and a second connecting pipe are provided in the water supply pipe groove, the first connecting pipe is fixedly arranged at one end of the water supply pipe groove close to the opening end of the operation and maintenance bracket, the second connecting pipe is slidingly engaged with the water supply pipe groove, and the water outlet end of the second connecting pipe is connected with the fixed water supply pipe; the telescopic water supply pipe includes a foldable telescopic pipe and a hose, the foldable telescopic pipe is arranged between the first connecting pipe and the second connecting pipe and is respectively connected to the two, and the hose is arranged between the first connecting pipe and the water pump and is respectively connected to the two.

[0012] The present invention has at least the following beneficial effects: First, the operation and maintenance bracket is rotated and arranged on the operation and maintenance trolley, a movable first mounting plate is arranged on the operation and maintenance bracket, and a cleaning brush and a nozzle are arranged on the first mounting plate, so that the operation and maintenance bracket, the first mounting plate, the cleaning brush and the nozzle are driven by the operation and maintenance trolley to move as a whole, so as to realize flexible adjustment of the cleaning position of the cleaning brush and the nozzle; Second, by setting the bristles of the cleaning brush to include multiple bundles of first bristles and multiple bundles of second bristles arranged in an staggered manner, the hardness of the first bristles is greater than the hardness of the second bristles, and the multiple bundles of first bristles can be arranged in the multiple bundles of second bristles so as to be movable up and down, so as to control the first bristles or the second bristles to contact with the surface of the photovoltaic panel according to the stubbornness of the stains, and rotate to clean the stains, while protecting the surface of the photovoltaic panel, effectively improving the cleaning efficiency and effect.

[0013] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through study and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of a photovoltaic power station operation and maintenance system according to an embodiment of the present invention; Figure 2 is a schematic structural diagram of an operation and maintenance support according to another embodiment of the present invention; Figure 3 yes Figure 2 Schematic diagram of the cross-sectional structure along the AA direction; Figure 4 yes Figure 3 A magnified view of the part B in the middle; Figure 5 is a schematic diagram of a partial structure of the bottom of a first mounting plate according to another embodiment of the present invention; Figure 6 It is a schematic cross-sectional structural diagram of a cleaning brush according to another embodiment of the present invention. DETAILED DESCRIPTION

[0015] The present invention is further described in detail below in conjunction with embodiments and drawings so that those skilled in the art can implement the invention with reference to the description.

[0016] It should be understood that terms such as “having”, “including” and “comprising” used herein do not exclude the existence or addition of one or more other elements or combinations thereof.

[0017] It should be noted that the experimental methods described in the following embodiments are conventional methods unless otherwise specified, and the reagents and materials are commercially available unless otherwise specified; in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate directions or positional relationships based on the attached Figure 1 The orientation or positional relationship shown is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0018] like Figure 1 to Figure 6 As shown, one embodiment of the present invention provides a photovoltaic power station operation and maintenance system, including: an operation and maintenance trolley 1, on which a water tank 2 is provided; an operation and maintenance bracket 3, which is a U-shaped bracket, the open end of the operation and maintenance bracket 3 is rotatably connected to the front and rear sides of the water tank 2 and is driven to rotate by a first driving component; a first mounting plate 4, which is parallel to the open end of the operation and maintenance bracket 3 and is slidably connected to the front and rear sides of the operation and maintenance bracket 3, and the first mounting plate 4 is driven by the second driving component to move along the length direction of the front and rear sides of the operation and maintenance bracket 3; a plurality of cleaning brushes 5, which are staggered along the length direction of the first mounting plate 4 at the bottom of one side of the first mounting plate 4 close to the open end of the operation and maintenance bracket 3, and the plurality of cleaning brushes 5 are driven to rotate by a third driving component; a plurality of nozzles 6, which are arranged at intervals along the length direction of the first mounting plate 4 at the bottom of one side of the first mounting plate 4 away from the open end of the operation and maintenance bracket 3; a fixed water supply pipe 7, which is fixed on the top of the first mounting plate 4 along the length direction of the first mounting plate 4 to supply water to the multiple nozzles 6, one end of the fixed water supply pipe 7 is closed, and the other end is connected to the water pump arranged in the water tank 2 through a telescopic water supply pipe; wherein the cleaning brush 5 includes a plurality of bundles of first bristles 58 and a plurality of bundles of second bristles 59 arranged in an alternating manner, the hardness of the first bristles 58 is greater than the hardness of the second bristles 59, and the plurality of bundles of first bristles 58 can be movably arranged up and down in the plurality of bundles of second bristles 59 to protrude from the plurality of bundles of second bristles 59 or retract into the plurality of bundles of second bristles 59.

[0019] In the above embodiment, the photovoltaic power station operation and maintenance system includes an operation and maintenance trolley 1, an operation and maintenance support 3 rotatably arranged on the operation and maintenance trolley 1, and a first mounting plate 4, a cleaning brush 5, a nozzle 6 and a fixed water supply pipe 7 arranged on the operation and maintenance support 3. The operation and maintenance trolley 1 is provided with a water tank 2. Furthermore, the operation and maintenance trolley 1 can travel along a track arranged between the rows of photovoltaic panels and stop in front of the photovoltaic panels that need to be cleaned; the operation and maintenance support 3 is a U-shaped frame, and its open end is rotatably connected to the front and rear sides of the water tank 2 and driven to rotate by a first driving assembly. When the operation and maintenance trolley 1 is moving, the operation and maintenance support 3 is driven to rotate to a vertical state by the first driving assembly. When the operation and maintenance trolley 1 stops, the operation and maintenance support 3 is driven to rotate to an inclined state by the first driving assembly until the operation and maintenance support 3 is erected around the photovoltaic panel; the first mounting plate 4 and the opening of the operation and maintenance support 3 The ends are parallel and slidably connected to the front and rear sides of the operation and maintenance bracket 3. The first mounting plate 4 is driven by the second driving component to move along the length direction of the front and rear sides of the operation and maintenance bracket 3 to drive the cleaning brush 5, the nozzle 6 and the fixed water supply pipe 7 arranged thereon to move and clean the photovoltaic panel; multiple cleaning brushes 5 are staggered along the length direction of the first mounting plate 4 at the bottom of one side of the first mounting plate 4 close to the open end of the operation and maintenance bracket 3. Multiple cleaning brushes 5 are driven to rotate by the third driving component to rotate and clean the stains on the photovoltaic panel. Each cleaning brush 5 includes multiple beams of the first cleaning brushes 5 that are staggered. A brush 58 and a plurality of bundles of second bristles 59, the hardness of the first bristles 58 is greater than the hardness of the second bristles 59, and the plurality of bundles of first bristles 58 are arranged in the plurality of bundles of second bristles 59 so as to be movable up and down. When there are stubborn stains such as bird droppings on the surface of the photovoltaic panel, the first bristles 58 are driven to move downward to protrude the second bristles 59, so as to clean the stains with the first bristles 58 having greater hardness, thereby improving the cleaning effect. When there are only easy-to-clean stains such as dust on the surface of the photovoltaic panel, the first bristles 58 are driven to move upward to retract the second bristles 59, so as to clean the stains with the second bristles 59. For cleaning; multiple nozzles 6 are arranged at intervals along the length direction of the first mounting plate 4 at the bottom of one side of the first mounting plate 4 away from the open end of the operation and maintenance bracket 3, that is, the nozzle 6 is arranged behind the cleaning brush 5, and water is sprayed to the photovoltaic panel through the nozzle 6 to rinse the stains on the surface of the photovoltaic panel and the cleaning brush 5; a fixed water supply pipe 7 is fixedly arranged on the top of the first mounting plate 4 along the length direction of the first mounting plate 4 to supply water to the multiple nozzles 6, one end of the fixed water supply pipe 7 is closed, and the other end is connected to the water pump arranged in the water tank 2 through a telescopic water supply pipe, that is, the fixed water supply pipe 7 is supplied with water by the water tank 2.

[0020] When in use, according to the degree of dust accumulation on the photovoltaic panel, the operation and maintenance trolley 1 is controlled to move to the corresponding photovoltaic panel to be cleaned. When the operation and maintenance trolley 1 moves, the operation and maintenance bracket 3 is rotated to a vertical state, the first mounting plate 4 is adjusted to one end close to the operation and maintenance trolley 1, and then the operation and maintenance bracket 3 is driven to tilt by the first driving component until the operation and maintenance bracket 3 is erected around the photovoltaic panel to be cleaned, and the water pump, the second driving component and the third driving component are started synchronously. The first mounting plate 4 is driven by the second driving component to move along the length direction of the front and rear sides of the operation and maintenance bracket 3, that is, along the length direction of the photovoltaic panel. The first mounting plate 4 drives the cleaning brush 5 and the nozzle 6 to move synchronously. At the same time, the cleaning brush 5 is driven to rotate by the third driving component, and the nozzle 6 sprays water to clean the surface of the photovoltaic panel. During the cleaning process, if stubborn stains such as bird droppings are encountered, the first bristles 58 are driven to move downward to protrude from the second bristles 59, so that the stains can be cleaned by the first bristles 58 with greater hardness, thereby improving the cleaning efficiency.

[0021] In this embodiment, the operation and maintenance bracket 3 is rotatably arranged on the operation and maintenance trolley 1, a movable first mounting plate 4 is arranged on the operation and maintenance bracket 3, and a cleaning brush 5 and a nozzle 6 are arranged on the first mounting plate 4, so that the operation and maintenance bracket 3, the first mounting plate 4, the cleaning brush 5 and the nozzle 6 can be driven by the operation and maintenance trolley 1 to move as a whole, so as to realize flexible adjustment of the cleaning position of the cleaning brush 5 and the nozzle 6; the bristles of the cleaning brush 5 are arranged to include multiple bundles of first bristles 58 and multiple bundles of second bristles 59 arranged in an staggered manner, the hardness of the first bristles 58 is greater than the hardness of the second bristles 59, and the multiple bundles of first bristles 58 can be movably arranged up and down in the multiple bundles of second bristles 59, so that according to the stubbornness of the stains, the first bristles 58 or the second bristles 59 are controlled to contact with the surface of the photovoltaic panel, and the stains are rotated for cleaning, thereby effectively improving the cleaning efficiency and effect while protecting the surface of the photovoltaic panel.

[0022] In another embodiment, Figure 6As shown, the cleaning brush 5 includes a coaxially arranged brush head 51, a first connecting part 52 and a second connecting part 53 from bottom to top; the diameters of the brush head 51 and the first connecting part 52 are equal, a cavity 54 is formed at the lower part of the first connecting part 52, a connecting plate 55 is provided in the cavity 54, the side wall of the connecting plate 55 is slidably connected to the inner wall of the cavity 54 up and down, the top of the connecting plate 55 is circumferentially elastically connected to the top of the cavity 54, and a magnet 56 is provided on the top of the connecting plate 55. An electromagnet 57 is provided at the top of the cavity 54, and the electromagnet 57 is arranged opposite to the magnet 56 and magnetically repels each other. The multiple bundles of first bristles 58 are arranged at intervals at the bottom of the connecting plate 55. The brush head 51 is provided with a plurality of bristle holes for the multiple bundles of first bristles 58 to pass through, and the multiple bundles of second bristles 59 are arranged at intervals on the brush head 51; the diameter of the second connecting portion 53 is smaller than the diameter of the first connecting portion 52, and the second connecting portion 53 is rotatably connected to the bottom of the first mounting plate 4.

[0023] In the above embodiment, a preferred structure of a cleaning brush 5 is listed, including a coaxially arranged brush head 51, a first connecting part 52 and a second connecting part 53, the diameters of the brush head 51 and the first connecting part 52 are equal, and a driving structure of a first bristle 58 is provided in the first connecting part 52, including a cavity 54 arranged at the lower part of the first connecting part 52, a connecting plate 55 arranged in the cavity 54, a magnet 56 is provided on the top of the connecting plate 55, and a first bristle 58 is provided on the bottom, the circumference of the connecting plate 55 is elastically connected to the circumference of the top of the cavity 54 by elastic parts such as springs, and the top of the cavity 54 is also provided with an electromagnet 57 opposite to the magnet 56 and with opposite magnetic poles. When stubborn stains need to be cleaned, the control The control electromagnet 57 is energized, and the electromagnet 57 drives the magnet 56 to move the connecting plate 55 downward. The spring is stretched, and the connecting plate 55 drives the first bristles 58 to move downward until the connecting plate 55 contacts the brush head 51. At this time, the first bristles 58 protrude from the second bristles 59, and the first bristles 58 are in direct contact with the surface of the photovoltaic panel to clean stubborn stains. After cleaning, the control electromagnet 57 is powered off, and the magnetic force between the electromagnet 57 and the magnet 56 disappears. The spring contracts and drives the connecting plate 55 to move upward. The connecting plate 55 drives the first bristles 58 to move upward until it is reset. At this time, the first bristles 58 are retracted into the second bristles 59, and the second bristles are in direct contact with the surface of the photovoltaic panel to clean common stains.

[0024] In another embodiment, Figure 4 , Figure 5 As shown, a stain detection sensor 8 is provided on one side of each cleaning brush 5 close to the open end of the operation and maintenance bracket 3 . The stain detection sensor 8 is fixed to the bottom of the first mounting plate 4 and is signal-connected to the electromagnet 57 .

[0025] In the above embodiment, the stain detection sensor 8 includes but is not limited to an image sensor or a distance sensor. If it is an image sensor, the image sensor uploads the collected image to the image recognition unit of the controller, and the image is recognized by the built-in stain detection model of the image recognition unit to determine whether there are stubborn substances in the image. If it is a distance sensor, the distance sensor uploads the collected distance information to the discrimination unit of the controller, and the discrimination unit compares the collected distance with the preset threshold distance. If the collected distance is less than the preset threshold distance, it is determined that stubborn substances exist; if stubborn substances exist, the controller controls the electromagnet 57 to energize, so that the electromagnet 57 drives the first brush 58 to extend, and cleans the stubborn stains. The controller can be arranged on the operation and maintenance trolley 1 or on the operation and maintenance bracket 3.

[0026] In another embodiment, Figure 1 As shown, the first driving assembly includes a first motor, which is fixed on the water tank 2, a first bevel gear is fixed on the output shaft of the first motor, a second bevel gear is fixed at one end of a rotating shaft 9 and meshes with the first bevel gear, the rotating shaft 9 passes through the front and rear sides of the water tank 3 and is rotatably connected to the side wall of the water tank 3, and the two ends of the rotating shaft 9 are respectively fixedly connected to the open ends of the operation and maintenance bracket 3.

[0027] In the above embodiment, the first driving component preferably includes a first motor, a first bevel gear, a second bevel gear and a rotating shaft 9. When driving, the first motor provides driving force, and the rotating shaft 9 is driven to rotate through the first bevel gear and the second bevel gear. The rotating shaft 9 then drives the operation and maintenance bracket 3 fixed thereon to rotate. At the same time, the rotating shaft 9 can also provide support for the operation and maintenance bracket 3, so that the structure of the operation and maintenance bracket 3 is more stable.

[0028] In another embodiment, Figure 2 As shown, the second driving assembly includes a second mounting plate 10, which is parallel to the first mounting plate 4 and fixedly mounted on one side of the operation and maintenance bracket 3 near its open end; a double-headed motor 11, which is fixedly mounted on the top of the second mounting plate 10; two winding rollers 12, which are respectively fixedly mounted on the front and rear sides of the operation and maintenance bracket 3 near one end of its open end and are transmission-connected to the double-headed motor 11; two sets of guide pulleys 13, which are respectively arranged on the front and rear sides of the operation and maintenance bracket 3 away from one end of its open end; two driving ropes 14, one end of which is fixedly connected to a winding roller 12, and the other end is fixedly connected to the first mounting plate 4 after being guided by a guide pulley group located on the same side of the winding roller 12.

[0029] In the above embodiment, the second driving assembly preferably includes a second mounting plate 10, a double-headed motor 11, a winding roller 12, a guide pulley 13 and a driving rope 14. The double-headed motor 11 and the winding roller 12 form a double-headed winch structure. When driving, the double-headed motor 11 provides driving force, which is transmitted through the winding roller 12 and the driving rope 14 to drive the first mounting plate 4 to move. The guide pulley 13 is used to guide the driving rope 14. By setting the second mounting plate on the side of the operation and maintenance bracket 3 close to its open end, the double-headed motor 11 is installed on the second mounting plate 10. Preferably, when the operation and maintenance bracket 3 is vertically arranged, the double-headed motor 11 and / or the winding roller 12 are placed on the water tank 2 to reduce the force on the operation and maintenance bracket 3 when the operation and maintenance trolley 1 moves.

[0030] Furthermore, a support sleeve 15 is provided on the output shaft of the double-headed motor 11 near the winding roller 12, and the support sleeve 15 is fixed on the second mounting plate 10 and is rotatably connected to the output shaft of the double-headed motor 11. By adding the support sleeve 15, the winding roller 12 is supported by the support sleeve 15, so that the winding roller 12 is suspended on the operation and maintenance bracket 3.

[0031] In another embodiment, Figure 3 , Figure 4 As shown, guide grooves 16 are provided on the opposite side walls on the front and rear sides of the operation and maintenance bracket 3 along the length direction thereof, and ear plates 17 and rollers 18 are respectively fixed at both ends of the first mounting plate 4, and the ear plates 17 and rollers 18 are both arranged in the guide grooves 16 and connected to the guide grooves 16 through the rollers 18, and an end of the guide groove 16 away from the open end of the operation and maintenance bracket 3 is provided with a through groove that passes through from top to bottom, and the through groove is connected to the guide groove 16, and the guide pulley group is embedded in the through groove.

[0032] In the above embodiment, a preferred connection structure between the first mounting plate 4 and the operation and maintenance bracket 3 is listed, including a guide groove 16, an ear plate 17 and a roller 18. By fixing the ear plates 17 at both ends of the first mounting plate 4, and arranging the roller 18 on the ear plate 17, the roller 16 is rollingly connected to the guide groove 16, so that the first mounting plate 4 is slidably connected along the length direction of the guide groove 16. The guide groove 16 is also connected to a through groove in which a guide pulley group is embedded, so that the driving rope 14, after being guided by the guide pulley group, extends into the guide groove 16 and is connected to the ear plate 17, and the ear plate 17 is pulled by the driving rope 14 to drive the first mounting plate 4 to move.

[0033] In another embodiment, Figure 3 , Figure 4As shown, the third driving assembly includes a plurality of gears 19, which correspond one to one with the plurality of cleaning brushes 5, each gear 19 is mounted on the second connecting portion 53 of the corresponding cleaning brush 5, the gears 19 on two adjacent second connecting portions 53 are meshed with each other, and a second motor 20 is fixed on the top of the first mounting plate 4, and the output shaft of the second motor 20 is transmission-connected to one of the second connecting portions 53.

[0034] In the above embodiment, the third driving assembly preferably includes a plurality of gears 19 and a second motor 20. The second motor 20 drives the gears 19, and the plurality of gears 19 mesh and transmit, thereby driving all the cleaning brushes 5 to rotate synchronously.

[0035] In another embodiment, Figure 2 As shown, a water supply pipe groove 21 is provided on the top of the front or rear side of the operation and maintenance bracket 3 along its length direction, and a side wall of the water supply pipe groove 21 close to the operation and maintenance bracket 3 is recessed downward to form a make way groove 22, and a first connecting pipe 23 and a second connecting pipe 24 are provided in the water supply pipe groove 21, the first connecting pipe 23 is fixedly arranged at one end of the water supply pipe groove 21 close to the open end of the operation and maintenance bracket 3, the second connecting pipe 24 is slidably engaged with the water supply pipe groove 21, and the water outlet end of the second connecting pipe 24 is connected to the fixed water supply pipe 7; the telescopic water supply pipe includes a foldable telescopic pipe 25 and a hose 26, the foldable telescopic pipe 25 is arranged between the first connecting pipe 23 and the second connecting pipe 24 and is respectively connected to the two, and the hose 26 is arranged between the first connecting pipe 23 and the water pump and is respectively connected to the two.

[0036] In the above embodiment, a clearance groove 22 is provided on a side wall of the water supply pipe groove 21 close to the operation and maintenance bracket 3 to facilitate the connection of the second connecting pipe 24 with the fixed water supply pipe 7. Preferably, the second connecting pipe 24 is connected to the fixed water supply pipe 7 through a hard pipe, so that the second connecting pipe 24 is driven by the fixed water supply pipe 7 to move along the length direction of the water supply pipe groove 21. Since the first connecting pipe 23 and the second connecting pipe 24 are connected through the foldable telescopic pipe 25, the movement of the second connecting pipe 24 does not affect the connection of the water path. In addition, by providing the water supply pipe groove 21, the first connecting pipe 23, the second connecting pipe 24 and the foldable telescopic pipe 25, it is convenient to arrange and limit the telescopic water supply pipe to avoid the telescopic water supply pipe interfering with the movement of the first mounting plate 4.

[0037] The number of devices and processing scale described here are used to simplify the description of the present invention. The application, modification and variation of the photovoltaic power station operation and maintenance system of the present invention are obvious to those skilled in the art.

[0038] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation modes, and they can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. Photovoltaic power station operation and maintenance system, characterized in that: include: An operation and maintenance trolley, on which a water tank is provided; An operation and maintenance bracket, which is a U-shaped bracket, the open end of which is rotatably connected to the front and rear sides of the water tank and is driven to rotate by a first driving assembly; A first mounting plate, which is parallel to the open end of the operation and maintenance bracket and is slidably connected to the front and rear sides of the operation and maintenance bracket, and the first mounting plate is driven by the second driving component to move along the length direction of the front and rear sides of the operation and maintenance bracket; A plurality of cleaning brushes are staggeredly arranged along the length direction of the first mounting plate at the bottom of one side of the first mounting plate close to the open end of the operation and maintenance bracket, and the plurality of cleaning brushes are driven to rotate by a third driving assembly; A plurality of nozzles are arranged at intervals along the length direction of the first mounting plate at the bottom of one side of the first mounting plate away from the open end of the operation and maintenance bracket; A fixed water supply pipe is fixedly arranged on the top of the first mounting plate along the length direction of the first mounting plate to supply water to the multiple nozzles, one end of the fixed water supply pipe is closed, and the other end is connected to the water pump arranged in the water tank through a telescopic water supply pipe; wherein, The cleaning brush includes multiple bundles of first bristles and multiple bundles of second bristles arranged in an alternating manner, the hardness of the first bristles is greater than the hardness of the second bristles, and the multiple bundles of first bristles can be arranged in the multiple bundles of second bristles movably up and down to protrude from the multiple bundles of second bristles or retract into the multiple bundles of second bristles.

2. The photovoltaic power station operation and maintenance system according to claim 1, characterized in that: The cleaning brush comprises, from bottom to top, a coaxially arranged brush head, a first connecting part and a second connecting part; the diameters of the brush head and the first connecting part are equal, a cavity is formed at the lower part of the first connecting part, a connecting plate is provided in the cavity, the side wall of the connecting plate is slidably connected to the inner wall of the cavity up and down, the top circumference of the connecting plate is elastically connected to the top circumference of the cavity, and a magnet is provided at the top of the connecting plate, an electromagnet is provided at the top of the cavity, the electromagnet and the magnet are arranged opposite to each other and magnetically repel each other, the multiple bundles of first bristles are arranged at intervals at the bottom of the connecting plate, a multiple bristle holes for the multiple bundles of first bristles to pass through are opened on the brush head, and the multiple bundles of second bristles are arranged at intervals on the brush head; the diameter of the second connecting part is smaller than the diameter of the first connecting part, and the second connecting part is rotatably connected to the bottom of the first mounting plate.

3. The photovoltaic power station operation and maintenance system according to claim 2, characterized in that: A stain detection sensor is provided on one side of each cleaning brush close to the open end of the operation and maintenance bracket. The stain detection sensor is fixed to the bottom of the first mounting plate and is connected to the electromagnet signal.

4. The photovoltaic power station operation and maintenance system according to claim 1, characterized in that: The first driving assembly includes a first motor, which is fixed on the water tank. A first bevel gear is fixed on the output shaft of the first motor. A second bevel gear is fixed at one end of a rotating shaft and meshes with the first bevel gear. The rotating shaft passes through the front and rear sides of the water tank and is rotatably connected to the side wall of the water tank. Both ends of the rotating shaft are respectively fixedly connected to the open ends of the operation and maintenance bracket.

5. The photovoltaic power station operation and maintenance system according to claim 1, characterized in that: The second driving assembly includes: a second mounting plate, which is parallel to the first mounting plate and fixedly mounted on one side of the operation and maintenance bracket close to its open end; a double-headed motor, which is fixedly mounted on the top of the second mounting plate; two winding rollers, which are respectively fixedly mounted on the front and rear sides of the operation and maintenance bracket close to one end of its open end and are transmission-connected to the double-headed motor; two sets of guide pulleys, which are respectively arranged on the front and rear sides of the operation and maintenance bracket away from one end of its open end; two driving ropes, one end of which is fixedly connected to a winding roller, and the other end of which is fixedly connected to the first mounting plate after being guided by a guide pulley group located on the same side of the winding roller.

6. The photovoltaic power station operation and maintenance system according to claim 5, characterized in that: Guide slide grooves are provided on the opposite side walls on the front and rear sides of the operation and maintenance bracket along the length direction thereof, and ear plates and rollers are respectively fixed at both ends of the first mounting plate, and the ear plates and rollers are both arranged in the guide slide grooves and connected to the guide slide grooves through the rollers, and a through groove penetrating up and down is provided at one end of the guide slide groove away from the open end of the operation and maintenance bracket, and the through groove is connected to the guide slide groove, and the guide pulley group is embedded in the through groove.

7. The photovoltaic power station operation and maintenance system according to claim 2, characterized in that: The third driving assembly includes a plurality of gears corresponding to the plurality of cleaning brushes one by one, each gear being mounted on the second connecting portion of the corresponding cleaning brush, the gears on two adjacent second connecting portions being meshed with each other, and a second motor being fixed on the top of the first mounting plate, the output shaft of the second motor being drivingly connected to one of the second connecting portions.

8. The photovoltaic power station operation and maintenance system according to claim 1, characterized in that: A water supply pipe groove is provided on the top of the front or rear side of the operation and maintenance bracket along its length direction, and a side wall of the water supply pipe groove close to the operation and maintenance bracket is recessed downward to form a make way groove, and a first connecting pipe and a second connecting pipe are provided in the water supply pipe groove, the first connecting pipe is fixedly arranged at one end of the water supply pipe groove close to the opening end of the operation and maintenance bracket, the second connecting pipe is slidably engaged with the water supply pipe groove, and the water outlet end of the second connecting pipe is connected with the fixed water supply pipe; the telescopic water supply pipe includes a foldable telescopic pipe and a hose, the foldable telescopic pipe is arranged between the first connecting pipe and the second connecting pipe and is connected with both respectively, and the hose is arranged between the first connecting pipe and the water pump and is connected with both respectively.

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