Offshore photovoltaic power station structure and cleaning system for offshore photovoltaic power station

Abstract

The invention discloses an offshore photovoltaic power station structure and a cleaning system for the offshore photovoltaic power station. The photovoltaic power station structure comprises photovoltaic panel stand columns, photovoltaic panels and photovoltaic guide rails. The plurality of photovoltaic panel stand columns are mounted on the sea surface; the plurality of photovoltaic panels are sequentially arranged adjacently, are supported on the photovoltaic panel stand columns through shafts, and are fixed by the inclined struts; the two photovoltaic guide rails are distributed at the front end and the rear end of the photovoltaic panel in parallel. According to the system, a sweeper base station comprises sweeper base station stand columns, a base station fixed bracket and a base station movable bracket; the base station fixing bracket is supported on the sea surface through the sweeper base station stand columns. The base station movable bracket is movably assembled on the base station fixed bracket and comprises a base station guide rail, a swing assembly, a base station walking assembly, a water supply assembly and a base station power supply assembly. The cleaning machine comprises a machine body walking assembly, a rolling brush mechanism, a spraying mechanism, a scraping plate mechanism and a machine body power supply assembly. The structure is simple, and the system can achieve automatic and unmanned cleaning operation on the photovoltaic power station structure.

Description

Technical Field

[0001] The present invention belongs to the field of new energy technology, and in particular relates to an offshore photovoltaic power station structure and a cleaning system for the offshore photovoltaic power station. Background Art

[0002] PV cleaning robots are mainly divided into two categories: land-based and offshore. Land-based robots are divided into vehicle-mounted boom-type, row-mounted, and small self-propelled types. Vehicle-mounted boom-type robots require a vehicle as a carrier for the cleaning tool, making them unsuitable for offshore applications. Row-mounted robots, on the other hand, require continuous operation on row-by-row photovoltaic panels (single row), resulting in long operating distances and difficulty in achieving automatic and continuous water supply. Furthermore, cross-row operations are difficult, often requiring the deployment of multiple rows of cleaning machines. Furthermore, small self-propelled robots are smaller in size and need to be attached to photovoltaic panels for movement. While they can perform fixed-point cleaning operations, their cleaning efficiency is low, making them unsuitable for large-scale cleaning operations.

[0003] Because offshore photovoltaic power plants are located far from land, debris such as bird droppings and dust often cling to the panels, affecting the power generation efficiency of the plants. Furthermore, offshore photovoltaic power plants are difficult to clean manually. Faced with a series of problems such as "bird droppings accumulation, making cleaning difficult," "distance from land, making manual cleaning difficult," and "distance from land, making fresh water scarce," there is an urgent need for an offshore photovoltaic power plant structure and supporting cleaning facilities that are simple in structure, easy to maintain, and capable of unmanned automatic cleaning. Summary of the Invention

[0004] In response to the problems existing in the above-mentioned prior art, the present invention provides an offshore photovoltaic power station structure and a cleaning system for the offshore photovoltaic power station. The structure is simple and can provide a supporting mobile base for a special cleaning machine, which is conducive to ensuring that the special cleaning machine can continuously clean multiple photovoltaic panels in the same row; the system has diverse functions and a high degree of automation, which can realize automated and unmanned cleaning operations of the photovoltaic power station structure, greatly reducing human intervention, and can effectively solve the pain point problem that the offshore photovoltaic power station cannot be cleaned due to its distance from the land, which is conducive to ensuring the power generation efficiency of the offshore photovoltaic power station.

[0005] In order to achieve the above-mentioned object, the present invention provides an offshore photovoltaic power station structure, wherein the photovoltaic power station structure includes photovoltaic panel columns, photovoltaic panels and photovoltaic rails;

[0006] Multiple photovoltaic panel columns are distributed in sequence along the left and right directions, and are vertically fixed on the sea surface through multiple corresponding offshore pile foundations; multiple photovoltaic panels are arranged adjacent to each other from left to right, and are supported on the top of the multiple photovoltaic panel columns through axes and fixed by diagonal braces; two photovoltaic guide rails are distributed in parallel at the front and rear ends of the photovoltaic panel, and extend along the arrangement direction of the multiple photovoltaic panels, and are fixedly connected to the bottom longitudinal beam below the photovoltaic panel.

[0007] In the present invention, multiple photovoltaic panels are supported on the sea surface using multiple photovoltaic panel columns and fixed with diagonal braces, which not only ensures that the overall structure is relatively simple, but also ensures that the photovoltaic panels can be stably supported on the sea surface for continuous power generation operations. Two photovoltaic rails are installed oppositely at the front and rear ends of multiple photovoltaic panels in the same row, which can provide support tracks for cleaning machines used in offshore photovoltaic power stations, thereby enabling the cleaning machines to clean multiple photovoltaic panels in the same row with the support of the two photovoltaic rails. This simple structure can provide a supporting mobile foundation for the special cleaning machine, which is conducive to ensuring that the special cleaning machine can continuously clean multiple photovoltaic panels in the same row.

[0008] The present invention also provides a cleaning system for an offshore photovoltaic power station, the cleaning system comprising a cleaning machine base station and a cleaning machine;

[0009] The sweeper base station includes a sweeper base standing column, a base station fixed bracket and a base station mobile bracket; the base station fixed bracket is supported on the sea surface by the sweeper base standing column and is located outside one end of the photovoltaic power station structure, providing a mobile support track for the base station mobile bracket;

[0010] The base station mobile bracket is movably assembled on the base station fixed bracket, which includes a base station guide rail, a swing assembly, a base station walking assembly, a water supply assembly and a base station power supply assembly; the two base station guide rails are correspondingly arranged on the base station mobile bracket to provide a mobile support foundation for the sweeper; the swing assembly is used to change the inclination angle of the two base station guide rails; the base station walking assembly is used to cooperate with the base station fixed bracket to change the position of the base station mobile bracket on the base station fixed bracket; the water supply assembly is used to replenish water for the sweeper; the base station power supply assembly is used to supply power to the water supply assembly, the swing assembly and the base station walking assembly;

[0011] The sweeper includes a body walking assembly, a roller brush mechanism, a spray mechanism, a scraper mechanism and a body power supply assembly; the body walking assembly is used to support the sweeper to walk on two photovoltaic guide rails; the roller brush mechanism is used to brush the surface of the photovoltaic panel; the spray mechanism is used to spray water on the surface of the photovoltaic panel; the scraper mechanism is used to scrape the surface of the photovoltaic panel; the body power supply assembly is used to supply power to the body walking assembly, the roller brush mechanism, the spray mechanism and the scraper mechanism.

[0012] In the present invention, by providing a base station fixed bracket at one end of the photovoltaic power station structure, the base station mobile bracket can be moved along the length of the base station fixed bracket, thereby being able to move to the starting position of each photovoltaic power station structure at different positions along the length of the base station fixed bracket. This facilitates the transition of a cleaning machine to different photovoltaic power station structures via the base station mobile bracket, thereby enabling continuous cleaning operations on multiple different photovoltaic power station structures. By providing a swing assembly in the base station mobile bracket, the swing assembly can be used to easily change the inclination angle of the two base station guide rails, thereby quickly aligning the two base station guide rails with the two photovoltaic guide rails, allowing the cleaning machine located on the two base station guide rails to move smoothly and quickly to the photovoltaic power station structure. By providing a base station walking assembly, the base station mobile bracket can be given the ability to move autonomously, thereby driving the cleaning machine to move on the base station fixed bracket. By providing a water supply assembly, the cleaning machine located on the base station mobile bracket can be easily replenished with water to ensure an efficient water supply for the cleaning machine. By setting up the walking assembly of the machine body, the sweeper can have the ability to walk autonomously, so that it can flexibly change its position on the base station mobile bracket or photovoltaic panel. By setting up the roller brush mechanism, the surface of the photovoltaic panel can be cleaned by rotation. By setting up the spray mechanism, it is convenient to spray liquid on the surface of the photovoltaic panel, thereby wetting the dried attachments on the surface of the photovoltaic panel, thereby reducing the difficulty of removing the attachments. By setting up the scraper mechanism, it is convenient to use the scraper to quickly and effectively remove attachments on the surface of the photovoltaic panel. The system has diverse functions and a high degree of automation. It can realize automated and unmanned cleaning operations on the structure of the photovoltaic power station, greatly reducing human intervention. It can effectively solve the pain point problem that offshore photovoltaic power stations cannot be cleaned due to their distance from the land, which is conducive to ensuring the power generation efficiency of offshore photovoltaic power stations.

[0013] As a preferred embodiment, the sweeper base standing column is fixedly installed on the sea surface via correspondingly distributed offshore pile foundations and is located outside one end of the multiple photovoltaic panels; the length direction of the base station fixed bracket extends in the front-to-back direction, and its top is fixedly connected to two bracket top guide rails at both ends in the width direction, and its bottom is fixedly connected to a bracket bottom guide rail in the center area in the width direction. In this technical solution, by providing two bracket top guide rails at the top of the base station fixed bracket and a bracket bottom guide rail at the bottom, a stable support structure for the base station mobile bracket can be formed, which is conducive to ensuring that the base station mobile bracket can move smoothly on the base station fixed bracket.

[0014] The lifting mechanism is connected with the lifting mechanism, and the lifting mechanism is connected with the lifting mechanism of the lifting mechanism washer. The lifting mechanism is connected with the lifting mechanism of the lifting mechanism is connected with the lifting mechanism of the lifting mechanism. The bottom of the base station, and each pair of base station rail wheels is relatively mounted on the outer sides of the two bracket top guide rails; the base station power wheel can be rotatably mounted in the wheel body mounting groove and is in rolling contact with the bracket bottom guide rail; the base station drive motor is fixedly assembled at the rear part of the upper end of the bottom support frame and is connected to the base station power wheel; the water supply assembly includes a base station water tank, a support arm, a water supply pipeline and a base station water pump; the base station water tank is fixedly mounted in the front area of the upper end of the bottom support frame; the base station water tank is fixedly assembled in the front difference of the upper end of the bottom support frame; the support arm is fixedly connected to the left end of a front base station guide rail; the water supply pipeline is fixedly mounted on the support arm and extends in the left and right directions, and its water inlet end is connected to the water outlet at the bottom of the base station water tank through the base station water pump; the base station power supply assembly includes a base station battery, which is fixedly assembled in the rear area of the upper end of the bottom support frame, and is respectively connected to the base station water pump, the base station drive motor and the hydraulic station. In this technical solution, the installation of a bottom support frame provides a support foundation for the base station power wheels, hydraulic station, base station water tank, support arm, vertical bracket, and hydraulic cylinder. The swing bracket is hinged to the upper end of the vertical bracket fixedly connected to the bottom support frame. Simultaneously, the ends of the hydraulic cylinder are hinged to the bottom support frame and the swing bracket, respectively. This facilitates the use of the hydraulic cylinder's telescopic action to drive the swing bracket to swing at a set angle, thereby driving the two base station guide rails to change their tilt angle and position, thereby achieving rapid alignment with the two photovoltaic guide rails on the photovoltaic power station structure. Multiple pairs of base station rail wheels installed on the bottom support frame are relatively fitted onto the outside of the two bracket top rails, making the sliding fit between the base station mobile bracket and the base station fixed bracket more stable and reliable. The base station power wheels installed in the wheel base mounting grooves are in rolling contact with the bracket bottom rails, providing forward power to the base station mobile bracket through the rotation of the base station power wheels.The water supply pipe is fixed on the top of a base station guide rail using a support arm, which can facilitate the coordination with the water injection pipe on the body water tank of the sweeper. As long as the sweeper moves to the left end of the two base station guide rails, the water supply pipe can be directly inserted into the inside of the water injection pipe, so that the base station water pump can be started to replenish water to the body water tank. In this way, it can be ensured that the sweeper can obtain effective water supply during long-term operation.

[0015] Furthermore, in order to facilitate the full automation control of the base station mobile bracket, the base station mobile bracket also includes a base station controller, which is respectively connected to the base station battery, base station water pump, base station drive motor and hydraulic station.

[0016] The two wheels are fixed to the front and rear ends of the two side brackets, and the two wheels are connected to the front and rear ends of the two side brackets at the top and the bottom ends of the two side brackets at the top. The machine has a flexible cylindrical brush body rotatably mounted in a transverse bracket, and a brush body drive motor is mounted on the transverse bracket and connected to the flexible cylindrical brush body; the spray mechanism includes a body water tank, a spray water pump and a spray pipeline; the body water tank is located above the two roller brush mechanisms and is fixedly mounted on the left part of the upper end of the transverse bracket, and a water injection pipeline is fixedly installed on the left part of its front end; the spray pipeline is supported on the right side of the transverse bracket and is connected to the water outlet at the bottom of the body water tank through the spray water pump; two scraper mechanisms are distributed on the left side of the transverse bracket at intervals front and back, the scraper mechanism includes a scraper, a connecting rod assembly and a scraper drive motor, the scraper contacts and cooperates with the surface of the photovoltaic panel, and the scraper drive motor drives the scraper to perform reciprocating scraping action in the left and right directions through the connecting rod assembly; the body power supply assembly includes a body battery, which is fixedly assembled in the body frame and is respectively connected to the travel drive motor, the brush body drive motor, the spray water pump and the scraper drive motor. In this technical solution, the body frame is made into an inverted U shape, which can facilitate the assembly of a walking assembly that cooperates with two photovoltaic rails or base station rails using two lateral brackets. At the same time, it can facilitate the assembly of a cleaning mechanism that cooperates with the surface of the photovoltaic panel using a transverse bracket. Two sets of body rail wheels with a bottom-up pressing function are assembled on the inner side of the two lateral brackets. At the same time, two walking wheel power wheels are correspondingly installed at the front and rear ends of the transverse bracket. It is convenient to utilize the upper and lower cooperation of the walking power wheels and the body rail wheels to stably confine the body frame on the two photovoltaic rails and the base station rails, effectively ensuring stability during movement. Two roller brush mechanisms are arranged at intervals in front and behind the transverse bracket, which can effectively reduce the coverage range of a single roller brush mechanism, and can ensure the cleaning force of each prefabricated cylindrical brush body by independently driving each other, which is conducive to improving the cleaning effect.Positioning the spray line on the right side of the horizontal support allows the panel surface to be sprayed before the roller brush and scraper. This pre-wetting process effectively reduces the difficulty of subsequent sweeping and scraping, ensuring effective cleaning and improving cleaning efficiency. Positioning the scraper mechanism on the left side of the horizontal support and driving it in reciprocating motion via a connecting rod assembly effectively removes difficult-to-remove objects adhering to the panel surface. Furthermore, the sequential wetting, sweeping, and scraping method effectively enhances cleaning effectiveness.

[0017] Furthermore, in order to facilitate the full automation control of the sweeper, the sweeper also includes a body controller, which is respectively connected to the body battery, travel drive motor, brush body drive motor, spray water pump and scraper drive motor.

[0018] Furthermore, in order to further improve the stability during movement, the body walking assembly also includes two sets of lateral pressure wheels, which are relatively installed on the inner sides of the two lateral brackets and pressed from the outside to the inside against the outer end edges of the two base station guide rails or the outer end edges of the two photovoltaic guide rails.

[0019] As a preference, the sweeper further comprises a machine hood, which is arranged above the transverse bracket and has a water inlet at a position corresponding to the water injection pipeline; the roller brush mechanism further comprises a brush cover, which is an arc-shaped structure, which is arranged above the flexible cylindrical brush body and connected to the transverse bracket.

[0020] Furthermore, in order to ensure stability during movement, the base station rail wheel includes a vertical support plate and rollers; two pairs of rollers are spaced apart front to back and are rotatably connected to the front and rear sides of the inner side of the vertical support plate, and each pair of rollers is composed of upper rollers and lower rollers spaced apart up and down, and a roller slide is formed between the upper rollers and the lower rollers for the top guide rail of the bracket to pass through.

[0021] The present invention can realize automated and unmanned cleaning operations of offshore photovoltaic power station structures, effectively solving the problems that offshore photovoltaic power stations are far away from land, often have bird droppings, dust and other debris attached, are difficult to clean manually, and are difficult to use large cleaning machinery. It can effectively reduce the labor load and investment costs of manpower and ensure the power generation efficiency of offshore photovoltaic power stations.

[0022] Compared with the prior art, the present invention has the following advantages:

[0023] (1) The whole system consists of three parts: photovoltaic power station structure, sweeper base station and sweeper. Among them, the photovoltaic power station structure only adds two photovoltaic rails on the basis of the traditional photovoltaic structure. There is no need to make major improvements to the traditional photovoltaic structure. The improvement cost is low and easy to implement. Among them, the sweeper base station and the sweeper are independent structures, but can cooperate with each other. The sweeper base station can provide water supply for the sweeper. At the same time, it can also provide a transition basis for the sweeper to move between different photovoltaic power station structures.

[0024] (2) The sweeper innovatively adopts a coordinated structure of spraying first, sweeping second, and scraping last, which can effectively remove dried materials (such as bird droppings) on photovoltaic panels on the sea surface and effectively ensure cleaning efficiency. In addition, the sweeper can also use both water and waterless cleaning methods, which can effectively save water resources in areas with scarce fresh water at sea or in operating conditions where a wetting step is not required.

[0025] (3) The base station mobile bracket and the base station fixed bracket in the sweeper base station are coordinated through guide rails, so that one base station mobile bracket can be deployed on multiple base station fixed brackets. It has strong versatility, effectively saves costs, and reduces the waste of multiple machines.

[0026] (4) It can realize automated unmanned cleaning operations without human intervention, effectively reducing the shading rate of offshore photovoltaic panels, significantly improving the power generation efficiency of photovoltaic power stations, and reducing labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the assembly of the cleaning system of the present invention on the photovoltaic power station structure;

[0028] Figure 2 is a schematic diagram of the photovoltaic power station structure of the present invention;

[0029] Figure 3 It is a structural diagram of the sweeper base station in the present invention;

[0030] Figure 4 It is a structural schematic diagram of the base station mobile bracket in the present invention;

[0031] Figure 5 It is a structural schematic diagram of the base station rail wheel in the present invention;

[0032] Figure 6 It is a structural schematic diagram of the sweeper in the present invention;

[0033] Figure 7 This is a schematic diagram of the structure of the sweeper after removing the hood in the present invention. Figure 1 ;

[0034] Figure 8This is a schematic diagram of the structure of the sweeper after removing the hood in the present invention. Figure 2 ;

[0035] Figure 9 This is a schematic diagram of the structure of the sweeper after removing the hood in the present invention. Figure 3 ;

[0036] Figure 10 It is a structural schematic diagram of the machine body track wheel in the present invention.

[0037] In the figure: 100, photovoltaic power station structure, 101, photovoltaic panel column, 102, photovoltaic panel, 103, photovoltaic rail;

[0038] 200, sweeper, 201, track wheel, 202, water injection pipe, 203, hood, 204, scraper mechanism, 205, water tank, 206, travel power wheel, 207, roller brush mechanism, 208, spray mechanism, 209, body frame, 210, side bracket, 211, horizontal bracket, 212, travel drive motor, 213, flexible cylindrical brush body, 214, brush body drive Motor, 215, scraper, 216, connecting rod assembly, 217, scraper drive motor, 218, spray pipe, 219, water inlet, 220, brush cover, 221, lateral pressure wheel, 222, wheel body support, 223, rotating arm, 224, connecting seat 1, 225, connecting seat 2, 226, spring, 227, swing pin, 228, upper pressure wheel, 229, upper pin, 230, lower pin;

[0039] 300. Sweeper base station, 301. Base station track wheel, 302. Base station water tank, 303. Hydraulic station, 304. Hydraulic cylinder, 305. Base station power wheel, 306. Support arm, 307. Water supply pipeline, 308. Base station guide rail, 309. Sweeper base standing column, 310. Base station fixed bracket, 311. Bracket top guide rail, 312. Bracket bottom guide rail, 313. Base station mobile bracket, 314. Bottom support frame, 315. Vertical bracket, 316. Swing bracket, 317. Vertical support plate, 318. Upper roller, 319. Lower roller, 320. Roller slide. DETAILED DESCRIPTION

[0040] The present invention will be further described below with reference to the accompanying drawings.

[0041] like Figures 1 to 10 As shown, the present invention provides an offshore photovoltaic power station structure, wherein the photovoltaic power station structure 100 includes a photovoltaic panel column 101, a photovoltaic panel 102 and a photovoltaic rail 103;

[0042] Multiple photovoltaic panel columns 101 are distributed in sequence along the left and right directions, and are vertically fixed on the sea surface through multiple corresponding offshore pile foundations; multiple photovoltaic panels 102 are arranged adjacent to each other from left to right, and are supported on the top ends of the multiple photovoltaic panel columns 101 through axes and fixed by diagonal braces; two photovoltaic guide rails 103 are distributed in parallel at the front and rear ends of the photovoltaic panels 102, and extend along the arrangement direction of the multiple photovoltaic panels 102, and are fixedly connected to the bottom longitudinal beam below the photovoltaic panels 102, preferably by welding.

[0043] As a preference, the photovoltaic panels 102 are arranged at a set tilt angle.

[0044] In the present invention, multiple photovoltaic panels are supported on the sea surface using multiple photovoltaic panel columns and fixed with diagonal braces, which not only ensures that the overall structure is relatively simple, but also ensures that the photovoltaic panels can be stably supported on the sea surface for continuous power generation operations. Two photovoltaic rails are installed oppositely at the front and rear ends of multiple photovoltaic panels in the same row, which can provide support tracks for cleaning machines used in offshore photovoltaic power stations, thereby enabling the cleaning machines to clean multiple photovoltaic panels in the same row with the support of the two photovoltaic rails. This simple structure can provide a supporting mobile foundation for the special cleaning machine, which is conducive to ensuring that the special cleaning machine can continuously clean multiple photovoltaic panels in the same row.

[0045] The present invention also provides a cleaning system for an offshore photovoltaic power station, the cleaning system comprising a cleaning machine base station 300 and a cleaning machine 200;

[0046] The sweeper base station 300 includes a sweeper base standing column 309, a base station fixed bracket 310, and a base station movable bracket 313. The base station fixed bracket 310 is supported on the sea surface by the sweeper base standing column 309 and is located outside one end of the photovoltaic power station structure 100, providing a movable support track for the base station movable bracket 313. As a preferred embodiment, the length direction of the base station fixed bracket 310 extends along the width direction of multiple adjacent photovoltaic power station structures and covers multiple adjacent photovoltaic power station structures.

[0047] The base station mobile bracket 313 is movably assembled on the base station fixed bracket 310, which includes a base station guide rail 308, a swing assembly, a base station walking assembly, a water supply assembly and a base station power supply assembly; the two base station guide rails 308 are correspondingly arranged on the base station mobile bracket 313 to provide a mobile support foundation for the sweeper 200; the swing assembly is used to change the inclination angle of the two base station guide rails 308; the base station walking assembly is used to cooperate with the base station fixed bracket 310 to change the position of the base station mobile bracket 313 on the base station fixed bracket 310; the water supply assembly is used to replenish water for the sweeper 200; the base station power supply assembly is used to supply power to the water supply assembly, the swing assembly and the base station walking assembly;

[0048] The sweeper 200 includes a body walking assembly, a roller brush mechanism 207, a spray mechanism 208, a scraper mechanism 204 and a body power supply assembly; the body walking assembly is used to support the sweeper 200 to walk on two photovoltaic guide rails 103; the roller brush mechanism 207 is used to brush the surface of the photovoltaic panel 102; the spray mechanism 208 is used to spray water on the surface of the photovoltaic panel 102; the scraper mechanism 204 is used to scrape the surface of the photovoltaic panel 102; the body power supply assembly is used to supply power to the body walking assembly, the roller brush mechanism 207, the spray mechanism 208 and the scraper mechanism 204.

[0049] In the present invention, by providing a base station fixed bracket at one end of the photovoltaic power station structure, the base station mobile bracket can be moved along the length of the base station fixed bracket, thereby being able to move to the starting position of each photovoltaic power station structure at different positions along the length of the base station fixed bracket. This facilitates the transition of a cleaning machine to different photovoltaic power station structures via the base station mobile bracket, thereby enabling continuous cleaning operations on multiple different photovoltaic power station structures. By providing a swing assembly in the base station mobile bracket, the swing assembly can be used to easily change the inclination angle of the two base station guide rails, thereby quickly aligning the two base station guide rails with the two photovoltaic guide rails, allowing the cleaning machine located on the two base station guide rails to move smoothly and quickly to the photovoltaic power station structure. By providing a base station walking assembly, the base station mobile bracket can be given the ability to move autonomously, thereby driving the cleaning machine to move on the base station fixed bracket. By providing a water supply assembly, the cleaning machine located on the base station mobile bracket can be easily replenished with water to ensure an efficient water supply for the cleaning machine. By setting up the walking assembly of the machine body, the sweeper can have the ability to walk autonomously, so that it can flexibly change its position on the base station mobile bracket or photovoltaic panel. By setting up the roller brush mechanism, the surface of the photovoltaic panel can be cleaned by rotation. By setting up the spray mechanism, it is convenient to spray liquid on the surface of the photovoltaic panel, thereby wetting the dried attachments on the surface of the photovoltaic panel, thereby reducing the difficulty of removing the attachments. By setting up the scraper mechanism, it is convenient to use the scraper to quickly and effectively remove attachments on the surface of the photovoltaic panel. The system has diverse functions and a high degree of automation. It can realize automated and unmanned cleaning operations on the structure of the photovoltaic power station, greatly reducing human intervention. It can effectively solve the pain point problem that offshore photovoltaic power stations cannot be cleaned due to their distance from the land, which is conducive to ensuring the power generation efficiency of offshore photovoltaic power stations.

[0050] As a preferred embodiment, the sweeper base standing column 309 is fixedly installed on the sea surface via correspondingly distributed offshore pile foundations and is located outside one end of the multiple photovoltaic panels 102. The length direction of the base station fixed bracket 310 extends in the front-to-back direction, with two bracket top rails 311 fixedly connected to its top at both ends in the width direction, and a bracket bottom rail 312 fixedly connected to its bottom in the center area in the width direction. In this technical solution, by providing two bracket top rails at the top of the base station fixed bracket and a bracket bottom rail at the bottom, a stable support structure for the base station mobile bracket can be formed, which helps ensure that the base station mobile bracket can move smoothly on the base station fixed bracket.

[0051] As a preferred embodiment, the base station mobile bracket 313 further includes a bottom support frame 314;

[0052] The bottom support frame 314 extends in the front-to-back direction, and a wheel mounting groove is provided in the center area of the rear portion;

[0053] The swing assembly includes a vertical bracket 315, a swing bracket 316, a hydraulic cylinder 304 and a hydraulic station 303; the vertical bracket 315 is fixedly installed in the middle of the upper end of the bottom support frame 314; the length direction of the swing bracket 316 extends in the front-to-back direction, and the middle part is hinged to the upper end of the vertical bracket 315; the cylinder base of the hydraulic cylinder 304 is connected to the middle part of the bottom support frame 314 through a lower hinged connector, and the piston rod end is connected to the rear part of the swing bracket 316 through an upper hinged connector. In this way, The swing angle of the swing bracket 316 can be easily changed by extending and retracting the piston rod of the hydraulic cylinder 304, which is conducive to adjusting the position and tilt angle of the two base station guide rails 308, thereby enabling the two base station guide rails 308 to be quickly aligned with the two photovoltaic guide rails 103. After alignment, it can effectively ensure that the sweeper 200 can slide smoothly onto the photovoltaic panel 102 along the two base station guide rails 308; the hydraulic station 303 is fixedly assembled in the front difference of the upper end of the bottom support frame 314 and is connected to the hydraulic cylinder 304;

[0054] The two base station rails 308 are fixedly connected in parallel to the front and rear ends of the swing bracket 316 and are distributed corresponding to the two photovoltaic rails 103;

[0055] The base station walking assembly includes a base station rail wheel 301, a base station power wheel 305 and a base station drive motor; multiple pairs of base station rail wheels 301 are installed at the bottom of the bottom support frame 314, and each pair of base station rail wheels 301 are relatively mounted on the outside of the two bracket top guide rails 311; the base station power wheel 305 is rotatably mounted in the wheel body mounting groove and is in rolling contact with the bracket bottom guide rail 312; the base station drive motor is fixedly assembled at the rear of the upper end of the bottom support frame 314 and is connected to the base station power wheel 305;

[0056] The water supply assembly includes a base station water tank 302, a support arm 306, a water supply pipe 307 and a base station water pump; the base station water tank 302 is fixedly installed in the front area of the upper end of the bottom support frame 314; the support arm 306 is fixedly connected to the left end of a front base station guide rail 308; the water supply pipe 307 is fixedly installed on the support arm 306 and extends in the left and right directions, and its water inlet end is connected to the water outlet at the bottom of the base station water tank 302 through the base station water pump; through the setting of the water supply pipe 306, after the sweeper 200 is returned to the base station movable bracket 313, the water supply pipe 306 can be directly inserted into the water injection pipe 202, and then the body water tank 205 can be directly replenished with water.

[0057] In this technical solution, the installation of a bottom support frame provides a support foundation for the base station power wheels, hydraulic station, base station water tank, support arm, vertical bracket, and hydraulic cylinder. The swing bracket is hinged to the upper end of the vertical bracket fixedly connected to the bottom support frame. Simultaneously, the ends of the hydraulic cylinder are hinged to the bottom support frame and the swing bracket, respectively. This facilitates the use of the hydraulic cylinder's telescopic action to drive the swing bracket to swing at a set angle, thereby driving the two base station guide rails to change their tilt angle and position, thereby achieving rapid alignment with the two photovoltaic guide rails on the photovoltaic power station structure. Multiple pairs of base station rail wheels installed on the bottom support frame are relatively fitted onto the outside of the two bracket top rails, making the sliding fit between the base station mobile bracket and the base station fixed bracket more stable and reliable. The base station power wheels installed in the wheel base mounting grooves are in rolling contact with the bracket bottom rails, providing forward power to the base station mobile bracket through the rotation of the base station power wheels. The water supply pipe is fixed on the top of a base station guide rail using a support arm, which can facilitate the coordination with the water injection pipe on the body water tank of the sweeper. As long as the sweeper moves to the left end of the two base station guide rails, the water supply pipe can be directly inserted into the inside of the water injection pipe, so that the base station water pump can be started to replenish water to the body water tank. In this way, it can be ensured that the sweeper can obtain effective water supply during long-term operation.

[0058] The base station power supply assembly includes a base station battery, which is fixedly mounted in the rear area of the upper end of the bottom support frame 314 and is respectively connected to the base station water pump, the base station drive motor and the hydraulic station 303.

[0059] In order to facilitate the full automation control of the base station mobile bracket, the base station mobile bracket 313 further includes a base station controller, which is respectively connected to the base station battery, base station water pump, base station drive motor and hydraulic station 303. As a preferred embodiment, the base station controller is a PLC controller;

[0060] As a preferred embodiment, the cleaning machine 200 further includes a machine frame 209;

[0061] The body frame 209 is in an inverted U shape as a whole, with two lateral supports 210 at its front and rear ends, and a transverse support 211 fixedly connected between the upper ends of the two lateral supports 210 at its top;

[0062] The machine body travel assembly includes a machine body track wheel 201, a travel power wheel 206 and a travel drive motor 212; two sets of machine body track wheels 201 are relatively mounted on the inner sides of the two lateral brackets 210, and are pressed from bottom to top against the lower ends of the two base station guide rails 308 or the lower ends of the two photovoltaic guide rails 103;

[0063] The body track wheel 201 includes a wheel body support 222, a rotating arm 223, an upper pin 229, a lower pin 230, a swing pin 227, a spring 226 and an upper pressure wheel 228; the wheel body support 222 is fixedly mounted on the inner side of the lateral bracket 210, and extends in the left and right directions. The upper end thereof is fixedly mounted with a connecting seat 1 224 and a connecting seat 225 at both ends in the length direction. One end of the rotating arm 223 is hinged to the upper end of the connecting seat 225, and the upper pin 229 is rotatably connected to the connecting seat 225. Connected to the middle part of the rotating arm 223, the lower pin shaft 230 is rotatably connected to the upper end of the connecting seat 224, and a guide hole is radially opened in the middle part thereof. The upper end of the swing pin shaft 227 is radially fixedly inserted in the middle section of the upper pin shaft 229, and its lower part is axially slidably inserted in the guide hole. The spring 226 is sleeved on the outside of the swing pin shaft 227, one end of which is in contact with the upper pin shaft 229, and the other end is in contact with the lower pin shaft 230; the upper pressure wheel 228 is rotatably connected to the upper end of the rotating arm 223. In this way, under the support of the elastic force of the spring 226, the upper end of the rotating arm 223 always has a tendency to move away from the wheel body support 222, thereby effectively pushing the upper pressure wheel 228 to press against the lower end edge of the base station guide rail 308 or the photovoltaic guide rail 103. On this basis, the walking power wheel 206 acting on the upper end edge of the base station guide rail 308 or the photovoltaic guide rail 103 can be used to effectively support the sweeper 200 and avoid sliding.

[0064] The two travel power wheels 206 are relatively and rotatably mounted at the front and rear ends of the right part of the transverse bracket 211, and are respectively distributed corresponding to the two sets of body track wheels 201, and their lower ends are respectively in rolling contact with the upper ends of the two base station guide rails 308 or the upper ends of the two photovoltaic guide rails 103; the two travel drive motors 212 are relatively mounted at the front and rear ends of the transverse bracket 211, and are respectively connected to the two travel power wheels 206, and the travel drive motors 212 are used to drive the rotation of the travel power wheels 206;

[0065] Two roller brush mechanisms 207 are distributed inside the transverse bracket 211 at intervals in front and back. The roller brush mechanism 207 includes a flexible cylindrical brush body 213 and a brush body drive motor 214. The flexible cylindrical brush body 213 is rotatably mounted in the transverse bracket 211. The brush body drive motor 214 is mounted on the transverse bracket 211 and connected to the flexible cylindrical brush body 213. The drive motor 214 is used to drive the rotation of the flexible cylindrical brush body 213.

[0066] The spray mechanism 208 includes a body water tank 205, a spray water pump and a spray pipe 218; the body water tank 205 is located above the two roller brush mechanisms 207 and is fixedly installed on the left part of the upper end of the horizontal bracket 211, and a water injection pipe 202 is fixedly installed on the left part of its front end, and the position of the water injection pipe 202 corresponds to the position of the water supply pipe 307; the spray pipe 218 is supported on the right side of the horizontal bracket 211 and is connected to the bottom of the body water tank 205 through the spray water pump. The outlet of the spray pipe 218 is connected, and a plurality of water nozzles can be evenly connected to the lower end of the spray pipe 218 in the length direction, so that the surface of the photovoltaic panel 102 can be sprayed evenly, so that the dried material on the surface of the photovoltaic panel 102 can be moistened by the spray water, which effectively softens the dried material, and then the scraper 215 can be used to effectively remove the attached matter by the reciprocating action. As a preferred embodiment, the spray pipe 218 is connected to one end of the brush cover 220 by a bolt.

[0067] Two scraper mechanisms 204 are spaced apart and distributed on the left side of the transverse support 211. The scraper mechanism 204 includes a scraper 215, a connecting rod assembly 216, and a scraper drive motor 217. The scraper 215 contacts and cooperates with the surface of the photovoltaic panel 102. The scraper drive motor 217 drives the scraper 215 to perform a reciprocating scraping action in the left and right directions through the connecting rod assembly 216, thereby effectively removing the attached materials on the surface of the photovoltaic panel 102.

[0068] The machine body power supply assembly includes a machine body battery, which is fixedly assembled in the machine body frame 209 and is respectively connected to the travel drive motor 212, the brush body drive motor 214, the spray water pump and the scraper drive motor 217.

[0069] In this technical solution, the body frame is made into an inverted U shape, which can facilitate the assembly of a walking assembly that cooperates with two photovoltaic rails or base station rails using two lateral brackets. At the same time, it can facilitate the assembly of a cleaning mechanism that cooperates with the surface of the photovoltaic panel using a transverse bracket. Two sets of body rail wheels with a bottom-up pressing function are assembled on the inner side of the two lateral brackets. At the same time, two walking wheel power wheels are correspondingly installed at the front and rear ends of the transverse bracket. It is convenient to utilize the upper and lower cooperation of the walking power wheels and the body rail wheels to stably confine the body frame on the two photovoltaic rails and the base station rails, effectively ensuring stability during movement. Two roller brush mechanisms are arranged at intervals in front and behind the transverse bracket, which can effectively reduce the coverage range of a single roller brush mechanism, and can ensure the cleaning force of each prefabricated cylindrical brush body by independently driving each other, which is conducive to improving the cleaning effect. Positioning the spray line on the right side of the horizontal support allows the panel surface to be sprayed before the roller brush and scraper. This pre-wetting process effectively reduces the difficulty of subsequent sweeping and scraping, ensuring effective cleaning and improving cleaning efficiency. Positioning the scraper mechanism on the left side of the horizontal support and driving it in reciprocating motion via a connecting rod assembly effectively removes difficult-to-remove objects adhering to the panel surface. Furthermore, the sequential wetting, sweeping, and scraping method effectively enhances cleaning effectiveness.

[0070] In order to facilitate the full automation of the sweeper, the sweeper 200 further includes a machine controller, which is connected to the machine battery, the travel drive motor 212, the brush drive motor 214, the spray pump, and the scraper drive motor 217. Preferably, the machine controller is a PLC controller;

[0071] In order to further improve the stability during movement, the body walking assembly also includes two sets of lateral pressure wheels 221, which are relatively installed on the inner sides of the two lateral brackets 210 and pressed from the outside to the inside against the outer end edges of the two base station guide rails 308 or the outer end edges of the two photovoltaic guide rails 103.

[0072] As a preferred embodiment, the sweeper 200 also includes a machine cover 203, which is arranged above the horizontal bracket 211 and has a water inlet 209 at a position corresponding to the water injection pipe 202; the roller brush mechanism 207 also includes a brush cover 220, which is an arc-shaped structure, and its cover is arranged above the flexible cylindrical brush body 213 and is connected to the horizontal bracket 211.

[0073] To ensure stability during movement, the base station track wheel 301 includes a vertical support plate 317 and rollers; two pairs of rollers are spaced apart and rotatably connected to the front and rear sides of the inner side of the vertical support plate 317. Each pair of rollers consists of an upper roller 318 and a lower roller 319 spaced apart from each other, and a roller slide 320 is formed between the upper roller 318 and the lower roller 319 for the bracket top guide rail 311 to pass through. This structure allows the roller slide 320 to tightly grip the bracket top guide rail 311, which helps ensure that the base station mobile bracket 313 can move stably along the bracket top guide rail 311.

[0074] The present invention can realize automated and unmanned cleaning operations of offshore photovoltaic power station structures, effectively solving the problems that offshore photovoltaic power stations are far away from land, often have bird droppings, dust and other debris attached, are difficult to clean manually, and are difficult to use large cleaning machinery. It can effectively reduce the labor load and investment costs of manpower and ensure the power generation efficiency of offshore photovoltaic power stations.

[0075] Working principle:

[0076] 1. Cleaning process:

[0077] ① Determine parameters such as cleaning speed, cleaning time and water consumption.

[0078] ② When the cleaning operation begins, the base station drive motor is controlled to start working, driving the base station power wheel 305 to move on the bracket bottom guide rail 312 until the base station mobile bracket 313 moves to the corresponding row of photovoltaic power station structure positions, and then the hydraulic station 303 is controlled to start working, driving the hydraulic cylinder 304 to perform telescopic movement until the two base station guide rails 308 are aligned with the two photovoltaic guide rails 103 on the photovoltaic power station structure 100;

[0079] ③ Control the travel drive motor 212 to start, drive the travel power wheels 206 to move along the two base station guide rails 308 to the two photovoltaic guide rails 103. After reaching the photovoltaic panels 103, control the spray water pump to start, control the brush drive motor 214 to start, and control the scraper drive motor 217 to start, and spray, clean, and scrape the surface of the photovoltaic panels 103 in the forward direction;

[0080] ④ When the sweeper 200 runs to the end of the current row, the stage cleaning operation is completed.

[0081] 2. Return to the sweeper base station process:

[0082] ① When reaching the end, the travel drive motor 212 is controlled to stop, the spray water pump is controlled to stop, the brush drive motor 214 is controlled to stop, the scraper drive motor 217 is controlled to stop, and the scraper drive motor 217 controls the connecting rod assembly 216 to make the scraper 215 leave the surface of the photovoltaic panel 103.

[0083] ② Control the travel drive motor 212 to rotate in the reverse direction, and drive the sweeper 200 back to the sweeper base station 300 through the travel power wheel 206.

[0084] ③ Control the base station water pump to start the set time and pump clean water into the body water tank 205 on the cleaning machine 200.

[0085] 3. Cross-row cleaning process:

[0086] ① Control the base station drive motor to start working, drive the base station power wheel 305 to move on the bracket bottom guide rail 312 until the base station mobile bracket 313 moves to the position of the next row of photovoltaic power station structures, and then control the hydraulic station 303 to start working, drive the hydraulic cylinder 304 to perform telescopic movement until the two base station guide rails 308 are aligned with the two photovoltaic guide rails 103 on the photovoltaic power station structure 100;

[0087] ③ Control the travel drive motor 212 to start, drive the travel power wheels 206 to move along the two base station guide rails 308 to the two photovoltaic guide rails 103. After reaching the photovoltaic panels 103, control the spray water pump to start, control the brush drive motor 214 to start, and control the scraper drive motor 217 to start, and spray, clean, and scrape the surface of the photovoltaic panels 103 in the forward direction;

[0088] ④ When the sweeper 200 runs to the end of the current row, the stage cleaning operation is completed.

Claims

1. An offshore photovoltaic power station structure, the photovoltaic power station structure (100) comprising photovoltaic panel columns (101), characterized in that: Also includes a photovoltaic panel (102) and a photovoltaic rail (103); A plurality of photovoltaic panel columns (101) are sequentially distributed along the left and right directions and are vertically fixed on the sea surface through a plurality of correspondingly distributed offshore pile foundations; a plurality of photovoltaic panels (102) are sequentially arranged adjacent to each other from left to right, and are supported on the top ends of the plurality of photovoltaic panel columns (101) through shafts and fixed by diagonal braces; two photovoltaic guide rails (103) are distributed in parallel at the front and rear ends of the photovoltaic panels (102), extend along the arrangement direction of the plurality of photovoltaic panels (102), and are fixedly connected to the bottom longitudinal beam below the photovoltaic panels (102).

2. A cleaning system for an offshore photovoltaic power station, comprising a cleaning machine base station (300) and a cleaning machine (200), characterized in that ； The sweeper base station (300) comprises a sweeper base standing column (309), a base station fixed bracket (310) and a base station movable bracket (313); the base station fixed bracket (310) is supported on the sea surface by the sweeper base standing column (309) and is located outside one end of the photovoltaic power station structure (100), providing a movable support track for the base station movable bracket (313); The base station movable bracket (313) is movably mounted on the base station fixed bracket (310), and comprises a base station guide rail (308), a swing assembly, a base station travel assembly, a water supply assembly, and a base station power supply assembly; two base station guide rails (308) and two photovoltaic guide rails (103) are arranged on the base station movable bracket (313) correspondingly, and are used to provide a mobile support foundation for the cleaning machine (200); the swing assembly is used to change the inclination angle of the two base station guide rails (308); the base station travel assembly is used to cooperate with the base station fixed bracket (310) to change the position of the base station movable bracket (313) on the base station fixed bracket (310); the water supply assembly is used to perform water replenishment operation on the cleaning machine (200); and the base station power supply assembly is used to supply power to the water supply assembly, the swing assembly, and the base station travel assembly; The cleaning machine (200) comprises a machine body walking assembly, a roller brush mechanism (207), a spray mechanism (208), a scraper mechanism (204) and a machine body power supply assembly; the machine body walking assembly is used to support the cleaning machine (200) to walk on two photovoltaic guide rails (103); the roller brush mechanism (207) is used to perform a brushing operation on the surface of the photovoltaic panel (102); the spray mechanism (208) is used to spray water on the surface of the photovoltaic panel (102); the scraper mechanism (204) is used to perform a scraping operation on the surface of the photovoltaic panel (102); and the machine body power supply assembly is used to supply power to the machine body walking assembly, the roller brush mechanism (207), the spray mechanism (208) and the scraper mechanism (204).

3. A cleaning system for an offshore photovoltaic power station according to claim 2, characterized in that: The sweeper base standing column (309) is fixedly installed on the sea surface through correspondingly distributed offshore pile foundations and is located outside one end of the plurality of photovoltaic panels (102); the length direction of the base station fixing bracket (310) extends in the front-to-back direction, and its top is fixedly connected to two bracket top guide rails (311) at both ends in the width direction, and its bottom is fixedly connected to a bracket bottom guide rail (312) in the center area in the width direction.

4. A cleaning system for an offshore photovoltaic power station according to claim 3, characterized in that: The base station mobile bracket (313) further includes a bottom support frame (314); The bottom support frame (314) extends in the front-to-back direction, and a wheel mounting groove is provided in the rear center area thereof; The swing assembly comprises a vertical support (315), a swing support (316), a hydraulic cylinder (304) and a hydraulic station (303); the vertical support (315) is fixedly mounted in the middle of the upper end of the bottom support frame (314); the length direction of the swing support (316) extends in the front-back direction, and the middle part is hinged to the upper end of the vertical support (315); the cylinder base of the hydraulic cylinder (304) is connected to the middle part of the bottom support frame (314) through a lower hinged connection piece, and the piston rod end thereof is connected to the rear part of the swing support (316) through an upper hinged connection piece; the hydraulic station (303) is fixedly assembled in the front difference of the upper end of the bottom support frame (314) and is connected to the hydraulic cylinder (304); Two base station guide rails (308) are fixedly connected in parallel to the front and rear ends of the swing bracket (316) and are distributed corresponding to the two photovoltaic guide rails (103); The base station walking assembly comprises a base station track wheel (301), a base station power wheel (305) and a base station drive motor; a plurality of pairs of base station track wheels (301) are mounted on the bottom of a bottom support frame (314), and each pair of base station track wheels (301) is relatively sleeved on the outside of two bracket top guide rails (311); the base station power wheel (305) is rotatably mounted in the wheel body mounting groove and is in rolling contact with the bracket bottom guide rail (312); the base station drive motor is fixedly mounted on the rear portion of the upper end of the bottom support frame (314) and is connected to the base station power wheel (305); The water supply assembly comprises a base station water tank (302), a support arm (306), a water supply pipeline (307) and a base station water pump; the base station water tank (302) is fixedly assembled in the front portion of the upper end of the bottom support frame (314); the support arm (306) is fixedly connected to the left end of a base station guide rail (308) on the front side; the water supply pipeline (307) is fixedly mounted on the support arm (306) and extends in the left-right direction, with its water inlet end connected to the water outlet at the bottom of the base station water tank (302) through the base station water pump; The base station power supply assembly includes a base station battery, which is fixedly mounted in the rear area of the upper end of the bottom support frame (314) and is respectively connected to the base station water pump, the base station drive motor and the hydraulic station (303).

5. A cleaning system for an offshore photovoltaic power station according to claim 4, characterized in that: The base station mobile bracket (313) further comprises a base station controller, which is respectively connected to the base station battery, the base station water pump, the base station drive motor and the hydraulic station (303).

6. A cleaning system for an offshore photovoltaic power station according to claim 2, characterized in that: The cleaning machine (200) further includes a machine body frame (209); The machine frame (209) is in an inverted U shape as a whole, with two lateral supports (210) at its front and rear ends, and a transverse support (211) fixedly connected between the upper ends of the two lateral supports (210) at its top; The machine body walking assembly comprises a machine body track wheel (201), a walking power wheel (206) and a walking drive motor (212); the two sets of machine body track wheels (201) are relatively mounted on the inner sides of the two lateral supports (210), and are pressed from bottom to top against the lower ends of the two base station guide rails (308) or the lower ends of the two photovoltaic guide rails (103); the two walking power wheels (206) are relatively and rotatably mounted at the front and rear ends of the right part of the transverse support (211), and are respectively distributed corresponding to the two sets of machine body track wheels (201), and their lower ends are respectively in rolling contact with the upper ends of the two base station guide rails (308) or the upper ends of the two photovoltaic guide rails (103); the two walking drive motors (212) are relatively mounted at the front and rear ends of the transverse support (211), and are respectively connected to the two walking power wheels (206); Two roller brush mechanisms (207) are distributed inside the transverse bracket (211) at intervals in front and back. The roller brush mechanism (207) includes a flexible cylindrical brush body (213) and a brush body drive motor (214). The flexible cylindrical brush body (213) is rotatably mounted in the transverse bracket (211). The brush body drive motor (214) is mounted on the transverse bracket (211) and connected to the flexible cylindrical brush body (213). The spray mechanism (208) includes a body water tank (205), a spray water pump, and a spray pipeline (218); the body water tank (205) is located above the two roller brush mechanisms (207) and is fixedly mounted on the left portion of the upper end of the transverse bracket (211), and a water injection pipeline (202) is fixedly mounted on the left portion of the front end thereof; the spray pipeline (218) is supported on the right side of the transverse bracket (211) and is connected to the water outlet at the bottom of the body water tank (205) through the spray water pump; Two scraper mechanisms (204) are distributed on the left side of the transverse support (211) at intervals in front and back. The scraper mechanism (204) includes a scraper (215), a connecting rod assembly (216) and a scraper drive motor (217). The scraper (215) contacts and cooperates with the surface of the photovoltaic panel (102). The scraper drive motor (217) drives the scraper (215) through the connecting rod assembly (216) to perform a reciprocating scraping action in the left and right directions. The machine body power supply assembly includes a machine body battery, which is fixedly assembled in the machine body frame (209) and is respectively connected to the travel drive motor (212), the brush body drive motor (214), the spray water pump and the scraper drive motor (217).

7. A cleaning system for an offshore photovoltaic power station according to claim 6, characterized in that: The cleaning machine (200) further comprises a machine body controller, which is respectively connected to a machine body battery, a travel drive motor (212), a brush body drive motor (214), a spray water pump, and a scraper drive motor (217).

8. The cleaning system for an offshore photovoltaic power station according to claim 2, characterized in that: The machine body walking assembly further comprises two sets of lateral pressure wheels (221), which are relatively mounted on the inner sides of the two lateral supports (210) and press against the outer end edges of the two base station guide rails (308) or the outer end edges of the two photovoltaic guide rails (103) from the outside to the inside.

9. The cleaning system for an offshore photovoltaic power station according to claim 2, characterized in that: The sweeper (200) further comprises a machine cover (203), which is arranged above the transverse bracket (211) and has a water injection port (219) at a position corresponding to the water injection pipeline (202); the roller brush mechanism (207) further comprises a brush cover (220), which is an arc-shaped structure, is arranged above the flexible cylindrical brush body (213), and is connected to the transverse bracket (211).

10. A cleaning system for an offshore photovoltaic power station according to claim 2, characterized in that: The base station rail wheel (301) includes a vertical support plate (317) and rollers; two pairs of rollers are spaced apart from each other and are rotatably connected to the front and rear sides of the inner side of the vertical support plate (317), and each pair of rollers is composed of an upper roller (318) and a lower roller (319) spaced apart from each other, and a roller slideway (320) is formed between the upper roller (318) and the lower roller (319) for the bracket top guide rail (311) to pass through.

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