Photovoltaic panel cleaning device and use method

Abstract

The invention discloses a photovoltaic panel cleaning device and a using method, belongs to the technical field of solar photovoltaic panels, and aims to solve the problem that the maintenance workload is large due to the fact that a photovoltaic panel is sprayed through multiple nozzles in the prior art. The device comprises a plate body, and a movable frame arranged in the width direction of the plate body is arranged on the plate body; the driving device comprises a transverse rotating shaft, the rotating shaft is rotationally connected to the moving frame and driven by a motor, and a moving assembly on the rotating shaft can drive the moving frame to move in the length direction of the plate body; the water outlet device comprises a water tank arranged on the movable frame, the water tank is connected with a spraying head through a water pipe, and the spraying head is rotationally connected with a fixing plate on the water tank through a vertical connecting shaft; the linkage device is connected with the rotating shaft and the connecting shaft and can drive the connecting shaft to rotate back and forth when the rotating shaft rotates. Through the linkage device, the spraying head rotates back and forth while moving along with the moving frame, comprehensive cleaning can be achieved without a large number of spraying heads, and the maintenance workload is reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of solar photovoltaic panels, and in particular relates to a photovoltaic panel cleaning device and a use method thereof. Background Art

[0002] Photovoltaic panels, as a key device that can convert solar energy into electrical energy, work based on the photovoltaic effect of semiconductors. When sunlight shines on a photovoltaic panel, photons interact with the semiconductor material, causing electrons to jump, which in turn forms an internal potential difference and generates current. Because photovoltaic panels have no moving parts, they can operate stably for long periods of time with virtually no losses. In the field of modern architecture, photovoltaic panels have been widely used and are often installed on rooftops and building surfaces, and even as part of windows, skylights, or shading devices. Such applications are collectively referred to as photovoltaic systems attached to buildings. This integration with buildings not only enables the building itself to generate electricity using solar energy, effectively reducing its dependence on traditional energy sources, but also reduces building energy consumption to a certain extent, which is in line with the current trend of green building development. However, in actual use, photovoltaic panels, exposed to the outdoor environment for extended periods, inevitably face various problems. Over time, dust, leaves, and other impurities easily accumulate on their surfaces. This accumulation of dust and leaves blocks solar radiation, reducing the light transmittance of the glass encapsulating the panels, significantly decreasing the panels' power generation efficiency. To solve this problem, the existing technology usually uses a water spray combined with a cleaning brush to clean the photovoltaic panel. For example, the technology with patent number CN202321152832.6 discloses a photovoltaic panel cleaning device, which uses multiple nozzles to spray water on the photovoltaic panel to achieve coverage of the photovoltaic panel surface, hoping to use the water flow to wash away impurities such as dust, and then use a cleaning brush to further clean stubborn stains. However, this method of setting multiple nozzles has many disadvantages: For photovoltaic panels with very large length or width, more nozzles need to be installed to achieve full coverage cleaning. Too many nozzles increase the maintenance workload of the staff when they inspect and repair the equipment. For example, too many nozzles are blocked and the staff need to repair them one by one. Summary of the Invention

[0003] In view of this, the present invention provides a photovoltaic panel cleaning device and a method for use, so as to solve the problem in the prior art of spraying photovoltaic panels by setting multiple nozzles, which increases the maintenance workload of the staff.

[0004] The technical solution adopted in the present invention is as follows: A photovoltaic panel cleaning device, comprising: A plate body, wherein a movable frame is provided on the plate body and is arranged along the width direction of the plate body; A driving device, the driving device comprising a transversely arranged rotating shaft, the rotating shaft being rotatably connected to the movable frame and driven by a motor, a movable assembly being fixedly sleeved on the rotating shaft, and the movable assembly being driven to rotate by the rotating shaft, so that the movable frame moves along the length direction of the plate body; A water outlet device, comprising a water tank, the water tank being mounted on a movable frame and connected to a sprinkler head via a water pipe, the bottom of the sprinkler head being fixedly connected to a connecting shaft, the connecting shaft being vertically arranged, the bottom of the connecting shaft being rotatably connected to a fixing plate, the fixing plate being fixed to the water tank; A linkage device connects the rotating shaft and the connecting shaft in a transmission manner. When the rotating shaft rotates, the connecting shaft is driven to rotate back and forth through the linkage device.

[0005] In this technical solution, it should be noted that in the photovoltaic panel cleaning device, the panel body, namely the solar photovoltaic panel, serves as the installation basis and cleaning object of the entire device, and provides support for other components. It is usually encapsulated with high-strength tempered glass and contains polycrystalline silicon cells to ensure power generation performance and structural stability; the movable frame is arranged along the width direction of the solar photovoltaic panel, and can drive the cleaning-related components to move along the length direction of the panel body. It is made of lightweight stainless steel and has both rigidity and corrosion resistance; the transverse shaft of the driving device is rotatably connected to the movable frame and is driven by a motor. The shaft is made of 45 steel with a diameter of about 20mm. The movable component fixed on its surface can drive the movable frame to move smoothly along the length direction of the solar photovoltaic panel when the shaft rotates; the water tank of the water outlet device is used to store clean water. The capacity is designed according to cleaning needs, usually 5-10L, and the water tank is connected to the sprayer through a water pipe The head is used to spray clean water, which is driven by a water pump on the water tank. The water pipe is a hose. The connecting shaft at the bottom of the sprinkler head is set vertically. It is made of chrome-plated carbon steel and has a diameter of about 10mm. The fixed plate that is rotatably connected at the bottom of the connecting shaft is fixed on the water tank to provide support for the connecting shaft; the linkage device is used to drive the rotating shaft and the connecting shaft. The working principle of this scheme is: the motor drives the rotating shaft to rotate. On the one hand, the rotating shaft drives the moving frame to move along the length direction of the solar photovoltaic panel through the moving component, and on the other hand, it drives the connecting shaft to rotate back and forth through the linkage device, so that the sprinkler head can realize reciprocating rotation while moving with the moving frame, thereby expanding the water spray coverage range; its beneficial effect is that by setting up a linkage device, the sprinkler head is driven to rotate back and forth by the power of the rotating shaft during the movement, and the solar photovoltaic panel can be fully cleaned without setting up a large number of sprinklers, thereby reducing the maintenance workload of the staff.

[0006] Preferably, the linkage device includes a first bevel gear and two second bevel gears cooperating therewith, the first bevel gear is fixedly sleeved on one end of the rotating shaft, and the first bevel gear is an incomplete gear; a support plate is provided at one end of the movable frame, and a transmission shaft is rotatably connected to the support plate, and the two second bevel gears are fixedly sleeved on the transmission shaft and symmetrically arranged, and the first bevel gear is located between the two second bevel gears. When the first bevel gear rotates, the transmission shaft is driven to rotate reciprocally through the cooperation of the incomplete gear structure and the two second bevel gears; the transmission shaft is connected to the connecting shaft through a conveyor belt.

[0007] In this technical solution, it should be noted that, in this linkage device, the first bevel gear is fixedly sleeved on one end of the rotating shaft, and as a key component of power transmission, it introduces the rotational power of the rotating shaft into the linkage system. It is an incomplete gear, that is, the first bevel gear is only processed with teeth in a part of the side edge area, and the rest is a smooth toothless area; the support plate at one end of the movable frame plays the role of supporting the transmission shaft to ensure stable rotation of the transmission shaft; the transmission shaft is used to transmit power, and transmits its own reciprocating rotation to the connecting shaft through the conveyor belt; the two second bevel gears are fixedly sleeved on the transmission shaft and are symmetrically distributed, cooperating with the first bevel gear to realize power conversion; the conveyor belt is responsible for connecting the transmission shaft and the connecting shaft to transmit reciprocating rotational motion. Its working principle is as follows: when the rotating shaft rotates, it drives the first bevel gear to rotate synchronously. Since the first bevel gear is an incomplete gear, it alternately meshes with the two second bevel gears during its rotation. When the toothed portion of the first bevel gear meshes with one of the second bevel gears, it drives the transmission shaft to rotate in one direction. When the toothed portion of the first bevel gear rotates to mesh with the other second bevel gear, it drives the transmission shaft to rotate in the opposite direction, thereby causing the transmission shaft to rotate back and forth. The transmission shaft then transmits the reciprocating rotation to the connecting shaft through the conveyor belt, driving the sprinkler head to rotate back and forth. The beneficial effect is that by setting the first bevel gear with an incomplete gear structure to cooperate with the two symmetrical second bevel gears, the rotation of the rotating shaft, a single power source, can cleverly achieve the reciprocating rotation of the transmission shaft, thereby driving the reciprocating rotation of the sprinkler head. This coordinated cooperation between the rotating shaft and the linkage device allows the sprinkler head to complete the rotation movement while moving with the movable frame, eliminating the need for an additional independent drive device for the sprinkler head. At the same time, it expands the water spray coverage of a single sprinkler head, and can comprehensively clean the photovoltaic panels without increasing the number of sprinkler heads.

[0008] Preferably, a cleaning brush is provided on the side wall of the rotating shaft, the cleaning brush is arranged along the axial direction of the rotating shaft, and the cleaning brush is in contact with the top of the plate body, and a collecting groove is provided at the bottom of the movable frame, and the collecting groove is located on one side of the cleaning brush, and when the rotating shaft drives the cleaning brush to rotate forward, the cleaning brush guides impurities on the plate body into the collecting groove; a scraper is provided at one end of the collecting groove facing the cleaning brush, one end of the scraper is in contact with the top of the plate body, and the other end is inclined upward in the direction away from the cleaning brush.

[0009] In this technical solution, it should be noted that the cleaning brush on the side wall of the rotating shaft is arranged axially (using nylon bristles with good toughness), in contact with the top of the inclined plate body, and mainly uses the power generated by rotation to clean impurities on the surface of the plate body; the collecting trough at the bottom of the movable frame (made of plastic, light and corrosion-resistant) is located on one side of the cleaning brush and is higher than the scraper to receive the introduced impurities; the scraper at one end of the collection trough faces the cleaning brush, one end is in close contact with the top of the plate body, and can directly scrape out impurities attached to the surface of the plate body, and the other end is inclined upward in the direction away from the cleaning brush, thereby guiding the impurities. The working principle of the device is as follows: taking the plate body in an inclined state as an example, when the rotating shaft rotates in the forward direction, the movable frame moves downward along the plate body, and at the same time, the rotating shaft drives the cleaning brush to rotate in the forward direction. The cleaning brush uses the rotational force to sweep impurities on the plate body toward the collection trough, and the end of the scraper that contacts the top of the plate body first scrapes out impurities on the plate body surface, especially more stubborn attached impurities. Then, the upwardly inclined end of the scraper forms a guide path. Under the push of the cleaning brush, the scraped impurities move along the guide direction of the scraper and are finally directed into the collection trough at a higher position. The beneficial effect is that by providing the scraper, it can not only directly scrape out impurities on the plate body surface, but also cooperate with the power of the cleaning brush to guide impurities into the collection trough, thereby enhancing the impurity removal ability and avoiding impurity residue. At the same time, the collection trough located higher than the scraper works in conjunction with the cleaning brush and scraper to effectively guide impurities into the collection trough, preventing impurities from falling back due to gravity, thereby improving the stability of impurity collection. Moreover, these components all rely on the rotation of the rotating shaft to achieve operation, without the need for additional power, simplifying the device structure, and reducing energy consumption and cost.

[0010] Preferably, the moving assembly includes a first gear, which is fixedly sleeved on the rotating shaft. A rack is provided on one side of the plate body, and the rack is arranged along the length direction of the plate body. The rack and the first gear are meshed with each other.

[0011] In this technical solution, it's important to note that the first gear, fixedly mounted on the rotating shaft, serves as a power output element, converting the shaft's rotational motion into linear motion. It's typically made of 45-gauge steel or cast iron, surface-hardened. A rack, positioned along the length of the photovoltaic panel, meshes with the first gear to provide a moving track. Made of stainless steel or aluminum alloy for strength and corrosion resistance, the rack's operating principle is that when the motor drives the shaft, the first gear rotates synchronously, meshing with the rack to convert the rotational motion into linear motion along the rack's direction. Reciprocating motion can be achieved by controlling the motor's direction of rotation.

[0012] Preferably, both ends of the rack extend outside the plate body along the length direction of the plate body.

[0013] In the technical scheme, it is necessary to point out that the rack extends to the outside of the plate body along the length direction of the plate body, the length of the extension part is usually 30-50 cm, and the function is to provide a moving space for the moving frame beyond the range of the photovoltaic plate, so that the device can be parked outside the plate body when not in use; avoid the cleaning part staying on the surface of the photovoltaic plate for a long time to block the sunlight, and at the same time leave a complete light receiving area for the surface of the photovoltaic plate.

[0014] Preferably, the bottom of the rack is provided with a first guide rail, and the first guide rail is arranged along the length direction of the rack, and the moving frame is provided with a first sliding rail in sliding fit with the first guide rail.

[0015] In the technical scheme, it is necessary to point out that the first guide rail is arranged along the length direction of the rack, and is made of wear-resistant cast iron or chrome-plated steel, and the function is to provide stable guide support for the moving frame and limit the deviation of the moving frame during movement; the first sliding rail on the moving frame is in sliding fit with the first guide rail, which reduces the sliding friction and prolongs the service life. Working principle: when the first gear engages and moves along the rack, the moving frame moves smoothly along the guide rail through the sliding fit of the first sliding rail and the first guide rail.

[0016] Preferably, the side wall of the plate body is provided with a second guide rail arranged along the thickness direction of the plate body, and the second guide rail is provided with a second sliding rail in sliding fit, and the rack is fixed on the second sliding rail; further comprising a lifting device, when the rotating shaft rotates reversely, the moving frame is lifted by the lifting device, so that the cleaning brush is separated from the top of the plate body.

[0017] In this technical solution, it should be noted that, taking the inclined plate body as an example, when the movable frame moves downward, that is, the first gear rotates forward, at this time the signal can be transmitted to the water pump through the sensor, the water pump gives water pressure in the water tank, and sprays water from the sprinkler head. The water sprayed by the sprinkler head first moistens the surface of the plate body to prevent dust, and then the first gear rotates forward to sweep most of the impurities on the surface of the plate body into the collection tank. When the movable frame moves to the bottom of the plate body, the motor drives the first gear to rotate in the opposite direction so that the movable frame can return to its initial position. At this time, since the first gear is rotating in the opposite direction, the cleaning brush will also rotate in the opposite direction, causing the impurities on the plate body that have not been cleaned to be swept outward by the cleaning brush, polluting the environment. Based on this, this solution is provided with a second slide rail, a second guide rail and a lifting device. The second guide rail is arranged along the thickness direction of the plate body. Its function is to provide a sliding guide for the second slide rail to ensure that the rack and the movable frame are smoothly lifted and lowered in the direction perpendicular to the surface of the plate body; the lifting device is used to drive the second slide rail to lift and lower along the second guide rail. The principle of this solution is as follows: when the movable frame moves downward on the inclined plate (the first gear rotates forward) to complete the first preliminary cleaning and needs to return, the motor drives the first gear to rotate in the opposite direction. At this time, the lifting device is activated, and the transmission mechanism pushes the second slide rail along the second guide rail in the direction away from the plate. The rack moves synchronously with the second slide rail, thereby driving the movable frame as a whole to rise, separating the cleaning brush from the surface of the plate. During this process, since the cleaning brush is separated from the plate, it will not contact the plate surface during reverse rotation, thus avoiding the problem of uncleaned impurities being swept out. When the movable frame returns to its initial position, the lifting device resets, the second slide rail moves along the second guide rail toward the plate, and the cleaning brush re-contacts the plate, awaiting the next cleaning operation. Technical Effect: By providing the second guide rail, the second slide rail, and the lifting device, the problem of impurity overflow caused by the reverse rotation of the cleaning brush during the return of the movable frame is solved. In addition, the lifting device allows the cleaning brush to separate from the plate during the return, reducing frictional resistance during the return process and lowering motor energy consumption. Preferably, the lifting device includes an abutment rod, which is rotatably connected to one side of the moving frame, and the bottom of the abutment rod extends downward to the bottom of the moving frame, and a baffle is also fixed to one side of the moving frame, and the baffle is located on one side of the abutment rod; the lifting device also includes an abutment plate cooperating with the abutment rod, the abutment plate is supported on one side of the plate body by a bracket, the abutment plate is located below the abutment rod, and the bottom of the abutment rod is lower than the top of the abutment plate, and the two ends of the top of the abutment plate are respectively provided with a first guide surface and a second guide surface, and the first guide surface and the second guide surface are respectively inclined and have an eight-shaped structure.

[0018] In this technical solution, it should be noted that the top of the abutment rod is rotatably connected to one side of the mobile frame through a pin shaft, and the bottom is processed into an arc end to reduce friction. The abutment rod can be elastically connected to the mobile frame with a tension spring to assist in resetting; the baffle is welded to the right side of the mobile frame (next to the abutment rod) to limit the counterclockwise rotation of the abutment rod (viewed from the side of the mobile frame) and only allow it to rotate clockwise; the first guide surface (at the top of the plate body) and the second guide surface (at the slope of the plate body) are in an eight-shaped shape, the first guide surface is used to guide the abutment rod to rotate to avoid position, and the second guide surface is used to lift the abutment rod. Working principle: In the initial state, the moving frame is located on the top of the inclined plate, and the abutment rod droops naturally (the bottom is lower than the top of the abutment plate) and does not contact the abutment plate; when the moving frame moves downward, the bottom of the abutment rod first contacts the first guide surface of the abutment plate. Since the initial position of the bottom of the abutment rod is lower than the top of the abutment plate, if it does not rotate, motion interference will occur. At this time, the abutment rod rotates clockwise under the oblique thrust of the first guide surface (without baffle obstruction), and its bottom slides along the first guide surface and smoothly passes through the interference area. After the moving frame continues to move down to the slope of the plate, the abutment rod The connecting rod detaches from the abutment plate and rotates back to its original position under the action of its own gravity or the tension of the tension spring, and the bottom returns to its drooping state. When the movable frame moves upward, the bottom of the abutment rod first contacts the second guide surface of the abutment plate (on the slope). Due to the baffle on the right side of the abutment rod, the abutment rod cannot rotate counterclockwise at this time (it is blocked by the baffle) and can only be lifted upward along the oblique thrust of the second guide surface. When the abutment rod moves upward, it drives the entire movable frame upward away from the plate body, ultimately separating the cleaning brush from the plate surface and preventing the reverse-rotating cleaning brush from sweeping up impurities and polluting the environment. Technical effect: By designing a mechanical linkage structure of "rotatable abutment rod + limit baffle + figure-eight guide surface", no additional power sources such as motors and cylinders are required. The automatic separation and attachment of the cleaning brush can be achieved solely by relying on the up and down movement of the movable frame itself. The "rotation avoidance" function of the first guide surface ensures smooth descent of the movable frame, and the "forced lifting" function of the second guide surface and the baffle ensure that the cleaning brush is reliably separated during the return journey.

[0019] Preferably, a spring is provided at the bottom of the second slide rail, and one end of the spring away from the second slide rail is connected to the second guide rail.

[0020] In this technical solution, it should be noted that by setting a spring, a stable reset force is provided for the second slide rail to ensure that the movable frame can accurately return to the working position after the return stroke, so that the cleaning brush is in close contact with the surface of the plate, ensuring the effect of the next cleaning operation.

[0021] Preferably, the first bevel gear is connected to the rotating shaft via a one-way bearing.

[0022] In this technical solution, it should be noted that when the movable frame moves downward (the rotating shaft rotates in the forward direction), the inner ring of the one-way bearing (rotating with the rotating shaft) and the outer ring (connected to the first bevel gear) combine, driving the first bevel gear to rotate synchronously. The linkage device causes the spray head to rotate back and forth, cooperating with the water pump to spray water to complete cleaning. When the movable frame moves upward (the rotating shaft rotates in the reverse direction), the cleaning brush has separated from the plate body and the water pump stops working. At this time, the inner ring of the one-way bearing is disengaged from the outer ring, and the reverse rotation of the rotating shaft cannot be transmitted to the first bevel gear. The first bevel gear and the spray head remain stationary. Technical effect: By providing a one-way bearing, one-way transmission of the first bevel gear is achieved, which prevents the spray head from rotating ineffectively when the movable frame moves upward and reduces unnecessary wear of the linkage device.

[0023] A method for using a photovoltaic panel cleaning device, comprising: The motor is started to drive the rotating shaft to rotate. The rotating shaft drives the mobile frame to move along the length direction of the plate body through the moving assembly. At the same time, the connecting shaft is driven to rotate back and forth through the linkage device, so that the sprinkler head rotates back and forth while the movable frame moves. At this time, the water tank supplies water to the sprinkler head through the water pipe, and the sprinkler head sprays and cleans the surface of the plate body.

[0024] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: 1. In the present invention, a linkage device is provided so that the spray head is driven to rotate back and forth by the power of the rotating shaft during movement. This eliminates the need to install a large number of spray heads to achieve comprehensive cleaning of the solar photovoltaic panels, thereby reducing the maintenance workload of the staff. 2. In the present invention, by providing a first bevel gear with an incomplete gear structure and cooperating with two symmetrical second bevel gears, the rotation of the rotating shaft, a single power source, cleverly achieves reciprocating rotation of the drive shaft, thereby driving the reciprocating rotation of the sprinkler head. This coordinated cooperation between the rotating shaft and the linkage device allows the sprinkler head to complete rotation while moving with the movable frame, eliminating the need for a separate drive device for the sprinkler head. This also expands the water spray coverage of a single sprinkler head, allowing comprehensive cleaning of photovoltaic panels without increasing the number of sprinkler heads. 3. In the present invention, the scraper is provided to not only directly scrape impurities off the surface of the plate, but also guide the impurities into the collection trough in conjunction with the power of the cleaning brush, thereby enhancing the impurity removal capability and preventing impurity residue. Furthermore, the collection trough, which is positioned higher than the scraper, works in synergy with the cleaning brush and scraper to effectively guide impurities into the collection trough, preventing them from falling back due to gravity and improving the stability of impurity collection. Furthermore, these components all operate by relying on the rotation of the rotating shaft, eliminating the need for additional power, simplifying the device structure, and reducing energy consumption and costs. 4. In this invention, the mechanical linkage structure of "rotatable abutment rod + limit baffle + figure-eight guide surface" is designed, eliminating the need for additional power sources such as motors and cylinders. The cleaning brush can be automatically separated and attached solely by the up and down movement of the movable frame. The "rotational avoidance" function of the first guide surface ensures smooth descent of the movable frame, while the "forced lifting" function of the second guide surface and the baffle ensures that the cleaning brush can be reliably separated during the return journey. 5. In the present invention, by providing a one-way bearing, one-way transmission of the first bevel gear is achieved, which avoids ineffective rotation of the sprinkler head when the movable frame moves upward, and reduces unnecessary wear of the linkage device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will now be described by way of example with reference to the accompanying drawings, in which: Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the plate body of the present invention; Figure 3 This is a schematic diagram of the three-dimensional structure of the plate after cutting of the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure of the mobile frame of the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the linkage device of the present invention; Figure 6 It is a schematic cross-sectional perspective structural diagram of the mobile frame of the present invention; Figure 7 It is a schematic diagram of the three-dimensional structure of the mobile frame in the initial state; Figure 8 for Figure 7 Schematic diagram of the three-dimensional structure when the middle movable frame moves downward; Figure 9 for Figure 8 Schematic diagram of the three-dimensional structure after the middle movable frame moves to the bottom of the plate body; Figure 10 for Figure 9 Schematic diagram of the three-dimensional structure when the middle movable frame moves upward; Figure 11 A schematic diagram of the three-dimensional structure of the rack and the second guide rail of the present invention; Among them: 1-plate body, 2-movable frame, 3-water tank, 4-sprinkler head, 5-water pipe, 6-water pump, 7-rotating shaft, 8-first gear, 9-cleaning brush, 10-support plate, 11-transmission shaft, 12-connecting shaft, 13-fixed plate, 14-conveyor belt, 15-first bevel gear, 16-second bevel gear, 18-collecting trough, 19-scraper, 20-rack, 21-first slide rail, 22-first guide rail, 23-abutment rod, 24-baffle, 25-abutment plate, 26-first guide surface, 27-bracket, 28-second guide surface, 29-second slide rail, 30-second guide rail, 31-spring. DETAILED DESCRIPTION

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.

[0028] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0030] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Furthermore, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0031] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.

[0032] Example 1: Figures 1-11 As shown, an embodiment of the present invention discloses a photovoltaic panel cleaning device, comprising: A plate body 1, wherein a movable frame 2 is provided on the plate body 1, and the movable frame 2 is arranged along the width direction of the plate body 1; A driving device, comprising a transversely arranged rotating shaft 7, the rotating shaft 7 being rotatably connected to the movable frame 2 and driven by a motor, a movable assembly being fixedly sleeved on the rotating shaft 7, and the movable assembly being driven to rotate by the rotating shaft 7, so that the movable frame 2 moves along the length direction of the plate body 1; A water outlet device includes a water tank 3, which is provided on the mobile frame 2 and is connected to a sprinkler head 4 via a water pipe 5. The bottom of the sprinkler head 4 is fixedly connected to a connecting shaft 12, which is vertically arranged. The bottom of the connecting shaft 12 is rotatably connected to a fixing plate 13, which is fixed to the water tank 3. A linkage device is provided, wherein the linkage device drives and connects the rotating shaft 7 and the connecting shaft 12. When the rotating shaft 7 rotates, the connecting shaft 12 is driven to rotate back and forth through the linkage device.

[0033] It should be noted that in the photovoltaic panel cleaning device, the panel body 1, namely the solar photovoltaic panel, serves as the installation base and cleaning object of the entire device and provides support for other components. It is usually encapsulated with high-strength tempered glass and contains polycrystalline silicon cells to ensure power generation performance and structural stability. The movable frame 2 is arranged along the width direction of the solar photovoltaic panel and can drive the cleaning-related components to move along the length direction of the panel body 1. It is made of lightweight stainless steel and has both rigidity and corrosion resistance. The transverse shaft 7 of the driving device is rotatably connected to the movable frame 2 and is driven by a motor. The shaft 7 is made of 45 steel with a diameter of about 20mm. The movable component fixed on its surface can drive the movable frame 2 to move smoothly along the length direction of the solar photovoltaic panel when the shaft 7 rotates. The water tank 3 of the water outlet device is used to store clean water. The capacity is designed according to cleaning needs, usually 5-10L. The spray head 4 connected to the water tank 3 through the water pipe 5 is used to spray clean water. The water pipe 5 is a hose and the connecting shaft 12 at the bottom of the sprinkler head 4 is vertically arranged and made of chrome-plated carbon steel with a diameter of about 10 mm. The fixing plate 13 rotatably connected at the bottom of the connecting shaft 12 is fixed on the water tank 3 to provide support for the connecting shaft 12; the linkage device is used to transmit the connection between the rotating shaft 7 and the connecting shaft 12. The working principle of this scheme is as follows: the motor drives the rotating shaft 7 to rotate. On the one hand, the rotating shaft 7 drives the moving frame 2 to move along the length direction of the solar photovoltaic panel through the moving component, and on the other hand, it drives the connecting shaft 12 to rotate back and forth through the linkage device, thereby making the sprinkler head 4 reciprocate while moving with the moving frame 2, thereby expanding the water spray coverage range; its beneficial effect is that by setting the linkage device, the sprinkler head 4 is driven to rotate back and forth by the power of the rotating shaft 7 during the movement, and the solar photovoltaic panel can be fully cleaned without setting a large number of sprinkler heads, thereby reducing the maintenance workload of the staff.

[0034] Example 2: Figure 3-Figure 6 As shown, this embodiment is roughly the same as the above embodiment, except that the linkage device includes a first bevel gear 15 and two second bevel gears 16 cooperating therewith, the first bevel gear 15 is fixedly sleeved on one end of the rotating shaft 7, and the first bevel gear 15 is an incomplete gear; one end of the movable frame 2 is provided with a support plate 10, and a transmission shaft 11 is rotatably connected to the support plate 10, and the two second bevel gears 16 are fixedly sleeved on the transmission shaft 11 and symmetrically arranged, and the first bevel gear 15 is located between the two second bevel gears 16. When the first bevel gear 15 rotates, the transmission shaft 11 is driven to rotate reciprocatingly through the cooperation of the incomplete gear structure and the two second bevel gears 16; the transmission shaft 11 is connected to the connecting shaft 12 through a conveyor belt 14.

[0035] It should be noted that, in this linkage device, the first bevel gear 15 is fixedly sleeved on one end of the rotating shaft 7. As a key component for power transmission, it introduces the rotational power of the rotating shaft 7 into the linkage system. It is an incomplete gear, that is, the first bevel gear 15 is only processed with teeth in a part of the side edge area, and the rest is a smooth toothless area; the support plate 10 at one end of the movable frame 2 plays the role of supporting the transmission shaft 11 to ensure the stable rotation of the transmission shaft 11; the transmission shaft 11 is used to transmit power, and transmits its own reciprocating rotation to the connecting shaft 12 through the conveyor belt 14; the two second bevel gears 16 are fixedly sleeved on the transmission shaft 11 and are symmetrically distributed, cooperating with the first bevel gear 15 to realize power conversion; the conveyor belt 14 is responsible for connecting the transmission shaft 11 and the connecting shaft 12 to transmit reciprocating rotational motion. Its working principle is: when the rotating shaft 7 rotates, it drives the first bevel gear 15 to rotate synchronously. Since the first bevel gear 15 is an incomplete gear, it will alternately engage with the two second bevel gears 16 during its rotation. When the toothed part of the first bevel gear 15 engages with one of the second bevel gears 16, it will drive the transmission shaft 11 to rotate in one direction. When the toothed part of the first bevel gear 15 rotates to engage with the other second bevel gear 16, it will drive the transmission shaft 11 to rotate in the opposite direction, thereby making the transmission shaft 11 realize reciprocating rotation. Subsequently, the transmission shaft 11 transmits the reciprocating rotation to the connecting shaft 12 through the conveyor belt 14, driving the sprinkler head 4 to rotate reciprocatingly. The beneficial effect is that by setting the first bevel gear 15 of the incomplete gear structure in cooperation with the two symmetrical second bevel gears 16, the reciprocating rotation of the transmission shaft 11 can be cleverly achieved with the help of the single power source of the rotation of the rotating shaft 7, thereby driving the spray head 4 to rotate reciprocatingly. The coordinated cooperation of the rotating shaft 7 and the linkage device allows the spray head 4 to complete the rotation action while moving with the movable frame 2. There is no need to set up an independent drive device for the spray head 4. At the same time, the water spray coverage range of a single spray head 4 is expanded, and the photovoltaic panel can be fully cleaned without increasing the number of spray heads.

[0036] like Figure 6As shown, in this embodiment, a cleaning brush 9 is provided on the side wall of the rotating shaft 7, and the cleaning brush 9 is arranged along the axial direction of the rotating shaft 7, and the cleaning brush 9 is in contact with the top of the plate body 1, and a collecting groove 18 is provided at the bottom of the movable frame 2, and the collecting groove 18 is located on one side of the cleaning brush 9. When the rotating shaft 7 drives the cleaning brush 9 to rotate forward, the cleaning brush 9 introduces impurities on the plate body 1 into the collecting groove 18; a scraper 19 is provided at one end of the collecting groove 18 facing the cleaning brush 9, one end of the scraper 19 is in contact with the top of the plate body 1, and the other end is inclined upward in the direction away from the cleaning brush 9. It should be noted that the cleaning brush 9 on the side wall of the rotating shaft 7 is arranged axially (using nylon bristles with good toughness), and is in contact with the top of the inclined plate body 1, and mainly uses the power generated by rotation to clean impurities on the surface of the plate body 1; the collecting trough 18 at the bottom of the movable frame 2 (made of plastic, lightweight and corrosion-resistant) is located on one side of the cleaning brush 9, and is positioned higher than the scraper 19, for receiving the introduced impurities; the collecting trough 18 is facing the scraper 19 at one end of the cleaning brush 9, and one end is in close contact with the top of the plate body 1, which can directly scrape out impurities attached to the surface of the plate body 1, and the other end is inclined upward in the direction away from the cleaning brush 9, thereby guiding the impurities. Its working principle is: taking the plate body 1 in an inclined state as an example, when the rotating shaft 7 rotates forward, the movable frame 2 moves downward along the plate body 1, and at the same time, the rotating shaft 7 drives the cleaning brush 9 to rotate forward. The cleaning brush 9 uses the rotational force to sweep the impurities on the plate body 1 toward the collection tank 18, and the end of the scraper 19 that contacts the top of the plate body 1 first scrapes out the impurities on the surface of the plate body 1, especially the more stubborn attached impurities, and then the upward tilted end of the scraper 19 forms a guide path. Under the push of the cleaning brush 9, the scraped impurities move along the guiding direction of the scraper 19 and are finally introduced into the collection tank 18 at a higher position. The beneficial effect is that by setting the scraper 19, it can not only directly scrape out impurities on the surface of the plate body 1, but also cooperate with the power of the cleaning brush 9 to guide the impurities into the collection tank 18, thereby enhancing the ability to remove impurities and avoiding impurity residue; at the same time, the collection tank 18, which is located higher than the scraper 19, cooperates with the cleaning brush 9 and the scraper 19 to effectively guide impurities into the collection tank 18, preventing impurities from falling back due to gravity, thereby improving the stability of impurity collection, and these components all rely on the rotation of the rotating shaft 7 to perform operations, without the need for additional power, simplifying the device structure, and reducing energy consumption and costs.

[0037] Example 3: Figure 3As shown, the embodiment is substantially the same as the above embodiment, except that the moving assembly comprises a first gear 8 fixedly sleeved on the rotating shaft 7, one side of the plate body 1 is provided with a rack 20 arranged along the length direction of the plate body 1, and the rack 20 is engaged with the first gear 8. It should be noted that the first gear 8 is fixedly sleeved on the rotating shaft 7, and as a power output element, the first gear 8 converts the rotating motion of the rotating shaft 7 into linear motion, and the material is usually 45 steel or cast iron and surface hardened; the rack 20 is arranged on one side along the length direction of the photovoltaic panel and engaged with the first gear 8 to provide a moving track, and the material is selected from stainless steel or aluminum alloy to ensure strength and corrosion resistance. Working principle: when the motor drives the rotating shaft 7 to rotate, the first gear 8 rotates synchronously, and through the engagement with the rack 20, the rotating motion is converted into the linear motion of the moving frame 2 along the direction of the rack 20. Reciprocating movement can be achieved by controlling the direction of the motor.

[0038] As shown in Figure 1 In this embodiment, both ends of the rack 20 extend out of the plate body 1 along the length direction of the plate body 1. It should be noted that the two ends of the rack 20 extend out of the plate body 1 along the length direction of the plate body 1, and the length of the extended part is usually 30-50 cm. The function is to provide a moving space for the moving frame 2 beyond the range of the photovoltaic panel, so that the device can be parked outside the plate body 1 when not in use; avoid cleaning components from blocking sunlight on the photovoltaic panel surface for a long time, and at the same time leave a complete light receiving area for the photovoltaic panel surface.

[0039] As shown in Figure 3 In this embodiment, the bottom of the rack 20 is provided with a first guide rail 22 arranged along the length direction of the rack 20, and the moving frame 2 is provided with a first sliding rail 21 in sliding cooperation with the first guide rail 22. It should be noted that the first guide rail 22 is arranged along the length direction of the rack 20 and is made of wear-resistant cast iron or chrome-plated steel, which provides stable guide support for the moving frame 2 and limits the deviation of the moving frame 2 during movement; the first sliding rail 21 on the moving frame 2 is in sliding cooperation with the first guide rail 22, which reduces sliding friction and prolongs service life. Working principle: when the first gear 8 moves along the rack 20, the moving frame 2 moves stably along the guide rail direction through the sliding cooperation of the first sliding rail 21 and the first guide rail 22.

[0040] Embodiment 4: as shown in Figure 11As shown, this embodiment is substantially the same as the above embodiment, except that a second guide rail 30 is provided on the side wall of the plate body 1. The second guide rail 30 is arranged along the thickness direction of the plate body 1. A second slide rail 29 is slidably fitted on the second guide rail 30, and the rack 20 is fixed on the second slide rail 29. A lifting device is also included. When the rotating shaft 7 rotates in the opposite direction, the lifting device drives the movable frame 2 to rise, so that the cleaning brush 9 is separated from the top of the plate body 1. It should be noted that, taking the inclined plate body 1 as an example, when the movable frame 2 moves downward, that is, the first gear 8 rotates forward, at this time, a signal can be transmitted to the water pump 6 by means of a sensor. The water pump 6 applies water pressure to the water tank 3 and sprays water from the sprinkler head 4. The water sprayed by the sprinkler head 4 first moistens the surface of the plate body 1 to prevent dust. Then the first gear 8 rotates forward to sweep most of the impurities on the surface of the plate body 1 into the collection tank 18. When the movable frame 2 moves to the bottom of the plate body 1, the motor drives the first gear 8 to rotate in the opposite direction, so that the movable frame 2 can Returning to the initial position, at this time, since the first gear 8 is rotating in the opposite direction, the cleaning brush 9 will also rotate in the opposite direction, causing the impurities that have not been cleaned on the plate body 1 to be swept outward by the cleaning brush 9, polluting the environment. Based on this, this solution is provided with a second slide rail 29, a second guide rail 30 and a lifting device. The second guide rail 30 is arranged along the thickness direction of the plate body 1, and its function is to provide a sliding guide for the second slide rail 29 to ensure that the rack 20 and the movable frame 2 are smoothly lifted and lowered in a direction perpendicular to the surface of the plate body 1; the lifting device is used to drive the second slide rail 29 to lift and lower along the second guide rail 30. The principle of this solution is as follows: when the movable frame 2 moves downward on the inclined plate body 1 (the first gear 8 rotates forward) to complete the first preliminary cleaning and needs to return, the motor drives the first gear 8 to rotate in the opposite direction. At this time, the lifting device is activated, and the transmission mechanism pushes the second slide rail 29 along the second guide rail 30 in the direction away from the plate body 1. The rack 20 moves synchronously with the second slide rail 29, thereby driving the movable frame 2 to rise as a whole, so that the cleaning brush 9 is separated from the surface of the plate body 1. During this process, since the cleaning brush 9 is separated from the plate body 1, it will not contact the surface of the plate body 1 when rotating in the opposite direction, avoiding the problem of uncleaned impurities being swept out. When the movable frame 2 returns to its initial position, the lifting device is reset, the second slide rail 29 moves along the second guide rail 30 toward the plate body 1, and the cleaning brush 9 contacts the plate body 1 again, waiting for the next cleaning operation. Technical effect: By setting the second guide rail 30, the second slide rail 29 and the lifting device, the problem of impurity overflow caused by the reverse rotation of the cleaning brush 9 when the movable frame 2 returns is solved. In addition, the lifting device enables the cleaning brush 9 to separate from the plate body 1 during the return process, reducing the friction resistance during the return process and reducing the energy consumption of the motor.

[0041] like Figure 7As shown, in this embodiment, the lifting device includes an abutment rod 23, which is rotatably connected to one side of the mobile frame 2, and the bottom of the abutment rod 23 extends downward to the bottom of the mobile frame 2. A baffle 24 is also fixed to one side of the mobile frame 2, and the baffle 24 is located on one side of the abutment rod 23; the lifting device also includes an abutment plate 25 that cooperates with the abutment rod 23, and the abutment plate 25 is supported on one side of the plate body 1 by a bracket 27, and the abutment plate 25 is located below the abutment rod 23, and the bottom of the abutment rod 23 is lower than the top of the abutment plate 25, and the two ends of the top of the abutment plate 25 are respectively provided with a first guide surface 26 and a second guide surface 28, and the first guide surface 26 and the second guide surface 28 are respectively inclined and have an eight-shaped structure. It should be noted that the top of the abutment rod 23 is rotatably connected to one side of the mobile frame 2 through a pin shaft, and the bottom is processed into an arc end to reduce friction. The abutment rod 23 can be elastically connected to the mobile frame 2 by a tension spring to assist in resetting; the baffle 24 is welded to the right side of the mobile frame 2 (next to the abutment rod 23), which is used to limit the counterclockwise rotation of the abutment rod 23 (seen from the side of the mobile frame 2) and only allow it to rotate clockwise; the first guide surface 26 (at the top of the plate body 1) and the second guide surface 28 (at the slope of the plate body 1) are in an eight-shaped shape, the first guide surface 26 is used to guide the abutment rod 23 to rotate to avoid position, and the second guide surface 28 is used to lift the abutment rod 23. Working principle: In the initial state, the moving frame 2 is located at the top of the inclined plate body 1, and the abutment rod 23 droops naturally (the bottom is lower than the top of the abutment plate 25), and does not contact the abutment plate 25; when the moving frame 2 moves downward, the bottom of the abutment rod 23 first contacts the first guide surface 26 of the abutment plate 25. Since the initial position of the bottom of the abutment rod 23 is lower than the top of the abutment plate 25, if it does not rotate, movement interference will occur. At this time, the abutment rod 23 rotates clockwise under the oblique thrust of the first guide surface 26 (without the baffle 24 to block it), and its bottom slides along the first guide surface 26 and smoothly passes through the interference area. After the moving frame 2 continues to move down to the slope of the plate body 1, The abutment rod 23 disengages from the abutment plate 25 and rotates back to its original position under the action of its own gravity or the tension of the tension spring, and the bottom returns to the drooping state; when the movable frame 2 moves upward, the bottom of the abutment rod 23 first contacts the second guide surface 28 (on the slope) of the abutment plate 25. Since a baffle 24 is provided on the right side of the abutment rod 23, the abutment rod 23 cannot rotate counterclockwise at this time (it is supported by the baffle 24) and can only be lifted upward along the oblique thrust of the second guide surface 28. When the abutment rod 23 moves upward, it drives the movable frame 2 as a whole to rise in the direction away from the plate body 1, and finally separates the cleaning brush 9 from the surface of the plate body 1, preventing the cleaning brush 9 rotating in the opposite direction from sweeping away impurities and polluting the environment.Technical effect: By designing a mechanical linkage structure of "rotatable abutment rod 23 + limit baffle 24 + figure eight guide surface", no additional power source such as motor and cylinder is required, and the cleaning brush 9 can be automatically separated and attached only by relying on the up and down movement of the movable frame 2 itself; the "rotation avoidance" function of the first guide surface 26 ensures smooth descending of the movable frame 2, and the second guide surface 28 cooperates with the "forced lifting" function of the baffle 24 to ensure that the cleaning brush 9 can be reliably separated during the return journey.

[0042] like Figure 11 As shown, in this embodiment, a spring 31 is provided at the bottom of the second slide rail 29, and the end of the spring 31 away from the second slide rail 29 is connected to the second guide rail 30. It should be noted that the provision of the spring 31 provides a stable return force for the second slide rail 29, ensuring that the movable frame 2 can accurately return to the working position after the return stroke, so that the cleaning brush 9 is in close contact with the surface of the plate body 1, ensuring the effectiveness of the next cleaning operation.

[0043] Example 5: This example is substantially the same as the above example, except that the first bevel gear 15 is connected to the rotating shaft 7 via a one-way bearing. It should be noted that when the movable frame 2 moves downward (rotating shaft 7 rotates in the forward direction), the inner ring of the one-way bearing (rotating with the rotating shaft 7) and the outer ring (connected to the first bevel gear 15) engage, driving the first bevel gear 15 to rotate synchronously. The linkage device causes the spray head 4 to rotate back and forth, cooperating with the water pump 6 to spray water to complete cleaning. When the movable frame 2 moves upward (rotating shaft 7 rotates in the reverse direction), the cleaning brush 9 is separated from the plate body 1 and the water pump 6 stops working. At this time, the inner ring of the one-way bearing is disengaged from the outer ring, and the reverse rotation of the rotating shaft 7 cannot be transmitted to the first bevel gear 15. The first bevel gear 15 and the spray head 4 remain stationary. Technical Effect: By providing a one-way bearing, one-way transmission of the first bevel gear 15 is achieved, preventing the spray head 4 from rotating ineffectively when the movable frame 2 moves upward, and reducing unnecessary wear of the linkage device.

[0044] Example 6: This example provides a method for using a photovoltaic panel cleaning device, including: The motor is started to drive the rotating shaft 7 to rotate. The rotating shaft 7 drives the movable frame 2 to move along the length direction of the plate body 1 through the movable assembly. At the same time, the connecting shaft 12 is driven to rotate back and forth through the linkage device, so that the spray head 4 rotates back and forth while moving with the movable frame 2. At this time, the water tank 3 supplies water to the spray head 4 through the water pipe 5, and the spray head 4 sprays and cleans the surface of the plate body 1.

[0045] The working principle of the present invention is: The working principle of the photovoltaic panel cleaning device is as follows: in the initial state, Figure 7As shown, the movable frame 2 is located at the top of the inclined plate body 1, the abutment rod 23 droops naturally and does not contact the abutment plate 25, and the spray head 4 is in a waiting state; when cleaning is required, the motor drives the rotating shaft 7 to rotate forward, and the rotating shaft 7 drives the first gear 8 to mesh with the rack 20, so that the movable frame 2 moves downward along the length direction of the plate body 1. At the same time, the rotating shaft 7 drives the first bevel gear 15 to rotate through the one-way bearing, and the first bevel gear 15 (incomplete gear) alternately meshes with the two second bevel gears 16, driving the transmission shaft 11 to rotate reciprocatingly. The transmission shaft 11 drives the connecting shaft 12 and the spray head 4 to rotate reciprocatingly through the conveyor belt 14. At this time, the water pump 6 is started, and the water in the water tank 3 is sprayed from the spray head 4 through the water pipe 5 to moisten the surface of the plate body 1; during the downward movement of the movable frame 2, the bottom of the abutment rod 23 first contacts the first guide surface 26 of the abutment plate 25, and rotates clockwise to avoid position under the action of the oblique thrust (as shown in FIG. Figure 8 As shown), after passing through the interference area, it is reset under the action of gravity or tension spring. At the same time, the rotating shaft 7 drives the cleaning brush 9 to rotate forward, and cooperates with the scraper 19 at the collection tank 18. The scraper 19 first scrapes out impurities on the surface of the plate body 1, and the cleaning brush 9 pushes the impurities into the collection tank 18 along the guide direction of the scraper 19; when the mobile frame 2 reaches the bottom of the plate body 1 (as shown Figure 9 As shown in FIG5 , the motor drives the rotating shaft 7 to rotate in the opposite direction, and the first gear 8 is engaged with the rack 20 to make the movable frame 2 return upward. At this time, the one-way bearing makes it impossible for the rotating shaft 7 to drive the first bevel gear 15 to rotate, the sprinkler head 4 stops rotating and the water pump 6 is turned off. At the same time, the bottom of the abutment rod 23 contacts the second guide surface 28 of the abutment plate 25. Due to the restriction of the right baffle 24, it cannot rotate and is lifted upward along the guide surface, driving the second slide rail 29 to move along the second guide rail 30 away from the plate body 1. The spring 31 is pulled up, and the movable frame 2 rises to separate the cleaning brush 9 from the plate body 1 (as shown in FIG5 ). Figure 10 As shown), prevent the cleaning brush 9 from sweeping away impurities when rotating in the opposite direction; when the movable frame 2 returns to the top of the plate body 1, the abutment rod 23 disengages from the abutment plate 25, and the spring 31 resets to push the second slide rail 29 and the movable frame 2 to reset, and the cleaning brush 9 fits against the plate body 1 again. If there is no need to continue cleaning, the movable frame 2 can move along the rack 20 extending outside the plate body 1 to the outside of the plate body 1 and stop, completing the entire cleaning process.

[0046] The circuits, electronic components and modules involved are all existing technologies and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present invention does not involve improvements to software and methods.

[0047] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0048] The above description of the disclosed embodiments is intended to enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A photovoltaic panel cleaning device, characterized in that: include: A plate body (1), wherein a movable frame (2) is provided on the plate body (1), and the movable frame (2) is arranged along the width direction of the plate body (1); A driving device, the driving device comprising a transversely arranged rotating shaft (7), the rotating shaft (7) being rotatably connected to the movable frame (2) and driven by a motor, a movable assembly being fixedly sleeved on the rotating shaft (7), and the movable assembly being driven to rotate by the rotating shaft (7), so that the movable frame (2) moves along the length direction of the plate body (1); A water outlet device, comprising a water tank (3), the water tank (3) being arranged on the movable frame (2), and the water tank (3) being connected to a spray head (4) via a water pipe (5), the bottom of the spray head (4) being fixedly connected to a connecting shaft (12), the connecting shaft (12) being arranged vertically, the bottom of the connecting shaft (12) being rotatably connected to a fixing plate (13), the fixing plate (13) being fixed to the water tank (3); A linkage device is provided, wherein the linkage device drives the rotating shaft (7) and the connecting shaft (12) to be connected. When the rotating shaft (7) rotates, the connecting shaft (12) is driven to rotate back and forth through the linkage device.

2. A photovoltaic panel cleaning device according to claim 1, characterized in that: The linkage device comprises a first bevel gear (15) and two second bevel gears (16) matched therewith, wherein the first bevel gear (15) is fixedly sleeved on one end of the rotating shaft (7), and the first bevel gear (15) is an incomplete gear; A support plate (10) is provided at one end of the movable frame (2), a transmission shaft (11) is rotatably connected to the support plate (10), two second bevel gears (16) are fixedly sleeved on the transmission shaft (11) and symmetrically arranged, the first bevel gear (15) is located between the two second bevel gears (16), and when the first bevel gear (15) rotates, the transmission shaft (11) is driven to rotate back and forth through the cooperation of the incomplete gear structure and the two second bevel gears (16); The transmission shaft (11) is connected to the connecting shaft (12) via a conveyor belt (14).

3. A photovoltaic panel cleaning device according to claim 1, characterized in that: A cleaning brush (9) is provided on the side wall of the rotating shaft (7), and the cleaning brush (9) is arranged along the axial direction of the rotating shaft (7), and the cleaning brush (9) contacts the top of the plate body (1). A collecting groove (18) is provided at the bottom of the movable frame (2), and the collecting groove (18) is located on one side of the cleaning brush (9). When the rotating shaft (7) drives the cleaning brush (9) to rotate in the forward direction, the cleaning brush (9) guides impurities on the plate body (1) into the collecting groove (18); A scraper (19) is provided at one end of the collecting trough (18) facing the cleaning brush (9), one end of the scraper (19) contacts the top of the plate body (1), and the other end is inclined upward in a direction away from the cleaning brush (9).

4. A photovoltaic panel cleaning device according to claim 2, characterized in that: The moving assembly includes a first gear (8), which is fixedly sleeved on the rotating shaft (7); a rack (20) is provided on one side of the plate body (1); the rack (20) is arranged along the length direction of the plate body (1), and the rack (20) and the first gear (8) are meshed with each other; and both ends of the rack (20) extend outside the plate body (1) along the length direction of the plate body (1).

5. A photovoltaic panel cleaning device according to claim 4, characterized in that: A first guide rail (22) is provided at the bottom of the rack (20), and the first guide rail (22) is arranged along the length direction of the rack (20). A first slide rail (21) that is slidably matched with the first guide rail (22) is provided on the movable frame (2).

6. The photovoltaic panel cleaning device according to claim 5, characterized in that: A second guide rail (30) is provided on the side wall of the plate body (1), the second guide rail (30) is arranged along the thickness direction of the plate body (1), a second slide rail (29) is slidably fitted on the second guide rail (30), and the rack (20) is fixed on the second slide rail (29); It also includes a lifting device. When the rotating shaft (7) rotates in the opposite direction, the lifting device drives the movable frame (2) to rise, so that the cleaning brush (9) is separated from the top of the plate body (1).

7. A photovoltaic panel cleaning device according to claim 6, characterized in that: The lifting device includes an abutment rod (23), the abutment rod (23) is rotatably connected to one side of the mobile frame (2), and the bottom of the abutment rod (23) extends downward to below the mobile frame (2), and a baffle (24) is fixed to one side of the mobile frame (2), and the baffle (24) is located on one side of the abutment rod (23); The lifting device further comprises an abutment plate (25) cooperating with the abutment rod (23); the abutment plate (25) is supported on one side of the plate body (1) via a bracket (27); the abutment plate (25) is located below the abutment rod (23); and the bottom of the abutment rod (23) is lower than the top of the abutment plate (25); and a first guide surface (26) and a second guide surface (28) are respectively provided at both ends of the top of the abutment plate (25); the first guide surface (26) and the second guide surface (28) are respectively inclined and have an eight-shaped structure.

8. The photovoltaic panel cleaning device according to claim 7, characterized in that: A spring (31) is provided at the bottom of the second slide rail (29), and one end of the spring (31) away from the second slide rail (29) is connected to the second guide rail (30).

9. The photovoltaic panel cleaning device according to claim 7, characterized in that: The first bevel gear (15) is connected to the rotating shaft (7) via a one-way bearing.

10. A method for using a photovoltaic panel cleaning device, implemented by the photovoltaic panel cleaning device according to claim 1, characterized in that: include: The motor is started to drive the rotating shaft (7) to rotate. The rotating shaft (7) drives the moving frame (2) to move along the length direction of the plate body (1) through the moving assembly. At the same time, the connecting shaft (12) is driven to rotate back and forth through the linkage device, so that the spray head (4) rotates back and forth while moving with the moving frame (2). At this time, the water tank (3) supplies water to the spray head (4) through the water pipe (5), and the spray head (4) sprays and cleans the surface of the plate body (1).

Images