Cleaning device and photovoltaic system

Abstract

The utility model discloses a cleaning device and a photovoltaic system, and relates to the technical field of cleaning. The cleaning device comprises a fixed frame, a cleaning assembly, a dust removal assembly and a dust collection box. The cleaning assembly is movably arranged on the fixed frame; the dust removal assembly is movably arranged on one side of the fixing frame in the first direction, and the cleaning assembly can move in the first direction and make contact with the dust removal assembly; when the cleaning assembly is in contact with the dust removal assembly, the dust removal assembly moves relative to the fixed frame and can sweep impurities on the cleaning assembly; the dust collection box is arranged on one side of the fixed frame and used for receiving impurities. According to the technical scheme, the cleaning effect on the to-be-cleaned component arranged outdoors can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning, in particular to a cleaning device and a photovoltaic system using the cleaning device. Background Art

[0002] Some panels to be cleaned outdoors, such as photovoltaic panels and glass windows, are easily contaminated with impurities such as dust, rain, and snow due to the influence of outdoor environmental factors. However, the cleaning effect of these panels to be cleaned in the related art is not ideal. Utility Model Content

[0003] The main purpose of the utility model is to provide a cleaning device and a photovoltaic system, aiming to improve the cleaning effect of an outdoor plate to be cleaned.

[0004] To achieve the above-mentioned purpose, the cleaning device proposed in the utility model includes a fixed frame, a cleaning component, a dust removal component and a dust collecting box; the cleaning component is movably arranged on the fixed frame; the dust removal component is movably arranged on one side of the fixed frame along a first direction, and the cleaning component can move along the first direction and contact the dust removal component; when the cleaning component is in contact with the dust removal component, the dust removal component can move relative to the fixed frame and can clean impurities on the cleaning component; the dust collecting box is arranged on one side of the fixed frame to receive impurities.

[0005] The technical solution of the utility model enables the cleaning component to move on the fixed frame to clean the parts to be cleaned installed on the fixed frame in a wide range by movably arranging the cleaning component on the fixed frame.

[0006] By movably arranging the dust removal component on one side of the fixed frame along the first direction, and the cleaning component being able to move along the first direction and contact the dust removal component, when the cleaning component contacts the dust removal component, the dust removal component can clean the impurities on the cleaning component when it moves relative to the fixed frame, thereby improving the cleanliness of the cleaning component and reducing the risk of impurities on the cleaning component falling onto the component to be cleaned when the cleaning component cleans the component to be cleaned again. By arranging a dust collection box below the fixed frame, the dust collection box can collect impurities cleaned off the component to be cleaned by the cleaning component, or can collect impurities cleaned off the cleaning component by the dust removal component, thereby reducing the risk of impurities flying around at will.

[0007] In one embodiment, the cleaning assembly includes a first driving assembly and a scraper bar assembly, the scraper bar assembly is transmission-connected to the first driving assembly, and the first driving assembly drives the scraper bar assembly to move along a first direction.

[0008] By including the cleaning component in the first drive component and the scraper component, and the scraper component is in transmission connection with the first drive component, the scraper component can be automatically driven to clean the photovoltaic panel component, thereby reducing the situation of manually sliding the scraper component. In addition, by including the scraper component in the cleaning component, the present application facilitates the scraper component to scrape off impurities in one direction, thereby reducing the risk of impurities flying and falling onto the photovoltaic panel component again.

[0009] In one embodiment, the scraper strip assembly includes a mounting substrate and a scraper strip body, the mounting substrate is transmission-connected to the first driving assembly; the scraper strip body is fixed to the mounting substrate.

[0010] By connecting the mounting base plate to the first drive assembly in a transmission connection, the stability of the transmission connection between the scraper assembly and the first drive assembly can be improved. By fixing the scraper body to the mounting base plate, the strength of the scraper body is improved and the risk of easy deformation of the scraper body is reduced.

[0011] In one embodiment, an air outlet is provided on the scraper strip assembly, and the opening of the air outlet faces the dust box; the cleaning device also includes a blowing device, and the blowing device has a blowing port, and the blowing port is connected to the air outlet.

[0012] By directing the opening of the air outlet toward the dust box, the air outlet of the blowing device is connected to the air outlet, so that on the basis of the scraper bar assembly scraping off the impurities on the photovoltaic panel assembly, the gas blown out of the air outlet further drives the impurities to quickly fall into the dust box, thereby reducing the risk of excessive impurities on the scraper bar assembly. In addition, when the scraper bar assembly moves from the direction close to the dust removal assembly to the direction away from the dust removal assembly, the air blown into the air outlet by the blowing device can also be used to blow the impurities that fall from the scraper bar assembly to the photovoltaic panel assembly into the dust box through the gas blown out of the air outlet, thereby reducing the impurities remaining on the photovoltaic panel assembly.

[0013] In one embodiment, an opening area of ​​the air outlet gradually decreases from an end away from the dust collecting box to an end close to the dust collecting box.

[0014] Such an arrangement can increase the pressure of the gas blown out from the gas outlet, thereby increasing the distance the gas is blown out, and making the direction of the gas blowing more concentrated, thereby making it easier for impurities to fall into the dust collecting box.

[0015] In one embodiment, the first driving assembly includes a first motor and a first screw, the first motor is mounted on the fixed frame; the first screw is transmission-connected to the first motor, and the first screw extends along the first direction; the scraper assembly is threadedly matched with the first screw.

[0016] By connecting the first screw rod to the first motor in a transmission manner, and the first screw rod extends along the first direction, and the scraper bar assembly cooperates with the first screw rod thread, when the first motor drives the first screw rod to rotate, the scraper bar assembly can move along the extension direction of the first screw rod, that is, it can move from a direction away from the dust removal assembly to a direction close to the dust removal assembly, so that the scraper bar assembly can contact the dust removal assembly after cleaning the photovoltaic panel assembly once, and clean the scraper bar assembly through the dust removal assembly, thereby reducing impurities remaining on the cleaning assembly, and thereby reducing the risk of impurities on the cleaning assembly falling on the photovoltaic panel assembly again.

[0017] In one embodiment, the cleaning assembly further includes a limiting rod, which is arranged in parallel with the first screw rod, and the limiting rod and the first screw rod are respectively passed through opposite ends of the scraper strip assembly.

[0018] By setting a limit rod parallel to the first screw rod, and the limit rod and the first screw rod respectively pass through the opposite ends of the scraper bar assembly, the risk of the scraper bar assembly rotating relative to the first screw rod can be limited, thereby ensuring that the scraper bar assembly can move more stably along the axial direction of the first screw rod.

[0019] In one embodiment, the dust removal assembly includes a second drive assembly and a dust removal body, the second drive assembly is arranged at one end of the fixed frame; the second drive assembly is transmission-connected to the dust removal body; the second drive assembly drives the dust removal body to rotate around an axis extending along a second direction; and / or the second drive assembly drives the dust removal body to move along a second direction; wherein the second direction is arranged at an angle to the first direction.

[0020] The dust removal body is driven to rotate around an axis extending in the second direction by the second driving component; and / or the second driving component drives the dust removal body to move in the second direction, so that after the cleaning component contacts the dust removal body, the second driving component drives the dust removal body to rotate or move relative to the cleaning component, thereby removing at least part of the impurities on the cleaning component and reducing the risk of impurities on the cleaning component falling on the photovoltaic panel component again.

[0021] In one embodiment, the dust removal body is disposed in the dust collection box, and a portion of the cleaning assembly can extend into the dust collection box and contact the dust removal body.

[0022] By placing the dust removal body in the dust box, part of the cleaning component can extend into the dust box and contact with the dust removal body, so that the dust removal body can remove impurities from the cleaning component inside the dust box, thereby making the inner wall of the dust box have a certain blocking effect on the impurities, so that the impurities can be concentrated in the dust box as much as possible, reducing the risk of impurities flying and falling on the photovoltaic panel assembly again.

[0023] In one embodiment, the fixed frame has a top end and a bottom end that are arranged opposite to each other, the first direction is a direction from the top end to the bottom end, and the dust collecting box is arranged at the bottom end of the fixed frame.

[0024] With such an arrangement, the cleaning component can move in the direction from the top end of the fixed frame to the bottom end of the fixed frame, and the dust removal component can be movably arranged at the bottom end of the fixed frame. Therefore, while the cleaning component is sweeping the photovoltaic panel component downward, more impurities on the photovoltaic panel component can fall into the dust collecting box by themselves under the action of gravity, thereby reducing the risk of more impurities remaining on the cleaning component.

[0025] In one embodiment, the top of the dust box has an opening, and two top covers arranged opposite to each other are movably installed at the opening, and the two top covers both have an open state in which the opening is opened and a closed state in which at least part of the opening is closed; when the two top covers are in the closed state, an avoidance opening is formed between the two top covers for the cleaning component to extend into or out of.

[0026] Such arrangement makes it easy for the cleaning component to extend into the dust collecting box to remove impurities from the dust removal component, and also makes it easy for the cleaning component to extend out of the dust collecting box to clean impurities on the photovoltaic panel component.

[0027] In one embodiment, the cleaning device further includes an exhaust fan and a collecting cylinder, the exhaust fan having an inlet and an outlet, the inlet being connected to the dust collecting box; one side of the collecting cylinder is connected to the outlet of the exhaust fan, and the other side is provided with an air outlet.

[0028] Such a configuration is, on the one hand, conducive to the impurities on the cleaning component falling off more easily under the action of the exhaust airflow of the exhaust fan, and on the other hand, it is convenient to timely extract the impurities in the dust box to the collection cylinder, so as to avoid excessive accumulation of impurities in the dust box and contamination of the dust removal component or the cleaning component. By arranging an air outlet on the other side of the collection cylinder, it is convenient to blow the air of the exhaust fan out from the air outlet.

[0029] In one embodiment, a filter is installed at the air outlet.

[0030] With such an arrangement, only the wind blown by the exhaust fan can pass through while the impurities carried in the wind are retained in the collection tube, thereby reducing the risk of impurities being blown out of the collection tube and polluting the external environment again.

[0031] In one embodiment, the bottom wall of the dust box is inclined downward from a direction away from the inlet to a direction close to the inlet.

[0032] Such an arrangement can enable the impurities in the dust box to move toward the inlet, thereby facilitating the impurities to be sucked out of the dust box by the exhaust fan, thereby avoiding excessive accumulation of impurities in the dust box.

[0033] The utility model also provides a photovoltaic system, comprising a photovoltaic panel assembly and the above-mentioned cleaning device, wherein the fixing frame is provided with a mounting groove, and the photovoltaic panel assembly is mounted in the mounting groove.

[0034] With such an arrangement, the installation effect of the photovoltaic panel assembly can be achieved, and at the same time, the fixed frame can have a good protective effect on the edge of the photovoltaic panel assembly. In addition, by installing the photovoltaic panel assembly in the mounting groove of the fixed frame of the above-mentioned cleaning device, the cleaning component in the above-mentioned cleaning device can clean the impurities on the photovoltaic panel assembly more comprehensively. The above-mentioned dust removal component can clean the cleaning component when it contacts the cleaning component, thereby reducing the risk that the residual impurities on the cleaning component will fall on the photovoltaic panel assembly when the cleaning component cleans the photovoltaic panel assembly again. By arranging a dust collection box under the fixed frame, the impurities cleaned from the photovoltaic panel assembly by the cleaning component and / or the impurities dropped when the dust removal component cleans the cleaning component can be collected, thereby reducing the risk of impurities flying around at will. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0036] Figure 1 A schematic structural diagram of an embodiment of the cleaning device provided by the utility model after being assembled with a photovoltaic panel assembly;

[0037] Figure 2 for Figure 1 Sectional view of AA in the middle;

[0038] Figure 3 for Figure 2 Cross-sectional view of the middle BB;

[0039] Figure 4 A partial cross-sectional view of an embodiment of a mounting plate in a cleaning device provided by the utility model;

[0040] Figure 5 It is a structural schematic diagram of an embodiment of the top cover of the dust collecting box in the cleaning device provided by the utility model in a closed state;

[0041] Figure 6 This is a structural schematic diagram of an embodiment of a cleaning device provided by the utility model in which the top cover of the dust collecting box is in an open state.

[0042] Description of Figure Numbers:

[0043] 100, fixed frame; 110, mounting slot;

[0044] 200, cleaning assembly; 210, first driving assembly; 211, first motor; 212, first screw rod; 220, scraper assembly; 221, mounting base plate; 221a, air outlet; 222, scraper body; 230, limit rod;

[0045] 300, dust removal assembly; 310, second driving assembly; 320, dust removal body;

[0046] 400, dust box; 410, opening; 420, top cover; 420a, escape opening; 430, bottom wall;

[0047] 500, exhaust fan;

[0048] 600, collecting tube;

[0049] 700, filter;

[0050] 800. Photovoltaic panel assembly.

[0051] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0052] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0053] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0054] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0055] With the development of science and technology and the progress of society, clean energy has been widely used, and solar energy is one of the important ones. In actual application, photovoltaic power stations are usually used to realize the utilization of solar energy. Photovoltaic panels are generally set up in multiple pieces, which are a device that directly converts sunlight energy into electrical energy. In order to make better use of solar energy, photovoltaic panels are generally set up outdoors. Due to the influence of open-air environmental factors, photovoltaic panels are easily sticky with dust, rain, snow and other impurities. These impurities not only affect the cleanliness of the surface of the photovoltaic panels, but also affect the power generation efficiency of the photovoltaic panels when they accumulate to a certain extent.

[0056] At present, impurities on the surface of photovoltaic panels are generally cleaned manually, which is inefficient, costly, and has unsatisfactory cleaning effects. Alternatively, a motor is used to drive a brush or scraper to clean dust and debris on the photovoltaic panels. However, the brush and scraper become worn or accumulate excessive dust and debris after long-term use, causing the debris to fall onto the photovoltaic panels again, thereby reducing the cleaning effect.

[0057] Of course, there are some panels to be cleaned outdoors, such as glass windows, and they are also easily contaminated with dust, rain, snow and other impurities due to the influence of outdoor environmental factors. However, the cleaning effect of these panels to be cleaned in the relevant technology is not ideal.

[0058] The cleaning device in the technical solution of the utility model can be used in, but not limited to, photovoltaic systems, glass curtain walls and other technical fields that are arranged outdoors to be cleaned.

[0059] In order to improve the cleaning effect of the components to be cleaned arranged outdoors, the utility model provides a cleaning device.

[0060] Please refer to Figures 1 to 3In one embodiment of the utility model, the cleaning device includes a fixed frame 100, a cleaning component 200, a dust removal component 300 and a dust collecting box 400; the cleaning component 200 is movably arranged on the fixed frame 100; the dust removal component 300 is movably arranged on one side of the fixed frame 100 along a first direction, and the cleaning component 200 can move along the first direction and contact the dust removal component 300; when the cleaning component 200 is in contact with the dust removal component 300, the dust removal component 300 is movable relative to the fixed frame 100 and can clean impurities on the cleaning component 200; the dust collecting box 400 is arranged on one side of the fixed frame 100 to receive impurities.

[0061] The fixed frame 100 refers to a frame for fixing the parts to be cleaned, and the fixed frame 100 can also serve as the base of the cleaning device. Among them, the parts to be cleaned can be photovoltaic panel assemblies 800 or glass plates, etc. It should be noted that the following description is based on the application scenario in which the cleaning parts are photovoltaic panel assemblies 800 as examples. The fixed frame 100 is usually rectangular to adapt to the shape of the photovoltaic panel assembly 800. Of course, the present application does not limit the shape of the fixed frame 100. In other examples, the fixed frame 100 can also be other polygons or circles, etc. When the fixed frame 100 is used as the frame of the photovoltaic panel assembly 800, since the photovoltaic panel assembly 800 is usually tilted at a certain angle to the horizontal plane, the fixed frame 100 has a top and a bottom that are relatively set, and the fixed frame 100 also has a left end and a right end connecting the top and the bottom, and the left end is relatively set to the right end.

[0062] The cleaning assembly 200 refers to an assembly used to move on the fixed frame 100 to clean the photovoltaic panel assembly 800 on the fixed frame 100. The components used to play the main cleaning role in the cleaning assembly 200 may include a brush roller and / or a scraper. The cleaning assembly 200 can slide and / or rotate on the fixed frame 100, so the cleaning assembly 200 can also include a drive assembly for driving the brush roller and / or the scraper to move. When the drive assembly drives the cleaning assembly 200 to slide, the drive assembly can be a screw nut assembly, or the drive assembly can be a gear rack assembly, or the drive assembly includes a cylinder, a linear motor, etc. Specifically, when the cleaning assembly 200 slides on the fixed frame 100, it can slide only in one direction, or it can slide in two different directions. When the drive assembly drives the cleaning assembly 200 to rotate, the drive assembly can be a gear assembly or a connecting rod mechanism, etc.

[0063] The dust removal component 300 refers to a component used to remove dust or other impurities on the cleaning component 200. When the dust removal component 300 is movably disposed on one side of the fixed frame 100 along the first direction, it can be rotatably disposed on one end of the fixed frame 100, or it can be movably disposed relative to the fixed frame 100. It should be noted that the dust removal component 300 in the utility model is movably disposed on one side of the fixed frame 100 along the first direction, which may refer to that the dust removal component 300 is installed on one end of the fixed frame 100 and is movably connected to the fixed frame 100; it may also refer to that the dust removal component 300 is connected to the fixed frame 100 through other connecting parts, and the dust removal component 300 is movably connected to the other connecting parts. When the fixed frame 100 has a top end, a bottom end, a left end and a right end, the first direction may be a direction from the top end to the bottom end, or a direction from the left end to the right end. Specifically, when the dust removal assembly 300 is movably disposed at the bottom end of the fixed frame 100, the cleaning assembly 200 can move between the top and bottom ends of the fixed frame 100; when the dust removal assembly 300 is movably disposed at the left or right end of the fixed frame 100, the cleaning assembly 200 can move between the left and right ends of the fixed frame 100. The cleaning assembly 200 can move along a first direction and contact the dust removal assembly 300, and when the cleaning assembly 200 is in contact with the dust removal assembly 300, the dust removal assembly 300 moves relative to the fixed frame 100 and can clean the impurities on the cleaning assembly 200, so that at least part of the impurities on the cleaning assembly 200 can be removed by rotating or moving the dust removal assembly 300. When the dust removal assembly 300 moves, the dust removal assembly 300 can move in a direction perpendicular to the movement of the cleaning assembly 200, so that it can be ensured that the impurities on the cleaning assembly 200 can be cleaned in the state of contacting with the cleaning assembly 200. Of course, the dust removal assembly 300 can also move in other directions, for example, it can move in a direction that is at an angle to the first direction and also at an angle to a direction perpendicular to the first direction, as long as the cleaning assembly 200 can clean the impurities on the cleaning assembly 200 after the cleaning assembly 200 contacts the dust removal assembly 300. The dust removal assembly 300 can include a scraper bar or a brush roller.For example, when the cleaning component 200 includes a scraper bar, the dust removal component 300 may include a brush roller, the scraper bar moves until it contacts the brush roller, the brush roller can rotate around an axis perpendicular to the first direction and is arranged on one side of the fixed frame 100, or the brush roller can slide along the first direction perpendicular to the first direction and is arranged on one side of the fixed frame 100, so that when the brush roller rotates or slides, impurities on the scraper bar can be swept off; or when the cleaning component 200 includes a scraper bar, the dust removal component 300 may include a scraper bar, and the scraper bar can rotate or slide and is arranged at one end of the fixed frame 100, so that when the scraper bar rotates or slides, it rubs against the scraper bar and sweeps impurities on the scraper bar; or, when the cleaning component 200 includes a brush roller, the dust removal component 300 may include a scraper bar, which can rotate relative to the fixed frame 100, so that when the scraper bar rotates, impurities on the brush roller are scraped off.

[0064] The dust box 400 refers to a box structure for receiving impurities, which may be a regular rectangular box, or a cylindrical box, or a box of other irregular shapes, etc. By arranging the dust box 400 on one side of the fixed frame 100, it is possible to receive impurities dropped by the cleaning assembly 200 when cleaning the photovoltaic panel assembly 800, or it is possible to receive impurities dropped by the dust removal assembly 300 when cleaning the cleaning assembly 200. Specifically, the dust box 400 may be further arranged below the dust removal assembly 300. Alternatively, the dust box 400 may wrap the dust removal assembly 300, that is, the dust removal assembly 300 is located in the dust box 400.

[0065] The technical solution of the utility model enables the cleaning component 200 to be movable on the fixed frame 100 to clean the parts to be cleaned mounted on the fixed frame 100 in a wide range by movably setting the cleaning component 200 on the fixed frame 100. By movably setting the dust removal component 300 on one side of the fixed frame 100 along the first direction, and the cleaning component 200 can move along the first direction and contact the dust removal component 300, after the cleaning component 200 contacts the dust removal component 300, the dust removal component 300 can clean the impurities on the cleaning component 200 when it moves relative to the fixed frame 100, thereby improving the cleanliness of the cleaning component 200 and reducing the risk of impurities on the cleaning component 200 falling on the parts to be cleaned when the cleaning component 200 cleans the parts to be cleaned again. By setting a dust box 400 under the fixed frame 100, the dust box 400 can collect impurities swept off the cleaning component 200, or can collect impurities swept off the cleaning component 200 by the dust removal component 300, thereby reducing the risk of impurities flying around.

[0066] like Figure 1 or Figure 2As shown, in one embodiment of the present utility model, the cleaning assembly 200 includes a first driving assembly 210 and a scraper assembly 220. The scraper assembly 220 is transmission-connected to the first driving assembly 210, and the first driving assembly 210 drives the scraper assembly 220 to move along a first direction.

[0067] The first driving assembly 210 refers to an assembly for driving the scraper assembly 220 to move relative to the fixed frame 100, so that the scraper assembly 220 moves in a first direction, that is, the scraper assembly 220 can move in a direction close to the dust removal assembly 300 or in a direction away from the dust removal assembly 300. The first driving assembly 210 may include a motor, a gear and a rack, wherein the gear is connected to the motor in a transmission manner, the rack is meshed with the gear, and one end of the rack is away from the dust removal assembly 300 and the other end is close to the dust removal assembly 300, and the cleaning assembly 200 is connected to the rack in a transmission manner, so that when the gear rotates under the drive of the motor, the rack moves along the direction in which its length extends, thereby driving the cleaning assembly 200 to move along the direction in which the length of the rack extends. Alternatively, the first driving assembly 210 may be a cylinder, the piston rod of the cylinder faces the dust removal assembly 300, and is connected to the cleaning assembly 200 in a transmission manner, so that when the piston rod of the cylinder extends, the cleaning assembly 200 can be driven to move in a direction close to the dust removal assembly 300 and contact the dust removal assembly 300. Alternatively, the first driving component 210 may include a motor, a screw and a nut, the screw being connected to the motor in a transmission manner, one end of the screw being away from the dust removal component 300, and the other end of the screw being close to the dust removal component 300, the nut being arranged on the cleaning component 200 and cooperating with the screw thread, so that when the screw rotates under the drive of the motor, the cleaning component 200 moves along the axial direction of the screw.

[0068] The scraper bar assembly 220 refers to a component used to mainly clean impurities on the photovoltaic panel assembly 800. The scraper bar assembly 220 may include a scraper bar made of soft material, such as a rubber scraper bar or a silicone scraper bar; or the scraper bar assembly 220 may include a scraper bar made of hard material, such as other hard plastic scrapers or metal scrapers. The scraper bar assembly 220 may include only a scraper bar, or may include components such as a mounting substrate 221 for mounting the scraper bar.

[0069] By making the cleaning assembly 200 include the first driving assembly 210 and the scraper assembly 220, and the scraper assembly 220 is connected to the first driving assembly 210 by transmission, the scraper assembly 220 can be automatically driven to clean the photovoltaic panel assembly 800, thereby reducing the situation of manually sliding the scraper assembly 220. In addition, by making the cleaning assembly 200 include the scraper assembly 220, the scraper assembly 220 is convenient to scrape impurities in one direction, thereby reducing the risk of impurities flying and falling on the photovoltaic panel assembly 800 again.

[0070] like Figure 1 or Figure 2As shown, based on the solution that the cleaning assembly 200 includes a scraper assembly 220, in one embodiment of the utility model, the scraper assembly 220 includes a mounting substrate 221 and a scraper body 222, the mounting substrate 221 is transmission-connected to the first driving assembly 210; the scraper body 222 is fixed to the mounting substrate 221.

[0071] The mounting substrate 221 refers to a substrate for mounting the scraper body 222. The mounting substrate 221 can be used to improve the strength of the scraper body 222 and the transmission stability when the scraper body 222 is connected to the first driving assembly 210. The mounting substrate 221 can be made of metal or plastic. The shape of the mounting substrate 221 can be a long strip, a semicircle or other shapes.

[0072] By connecting the mounting base 221 to the first drive assembly 210, the stability of the transmission connection between the scraper assembly 220 and the first drive assembly 210 can be improved. By fixing the scraper body 222 to the mounting base 221, the strength of the scraper body 222 is improved, and the risk of easy deformation of the scraper body 222 is reduced.

[0073] Please refer to Figure 1 and Figure 4 In one embodiment of the utility model, an air outlet 221a is provided on the scraper assembly 220, and an opening 410 of the air outlet 221a faces the dust box 400; the cleaning device also includes a blowing device, which has a blowing port, and the blowing port is connected to the air outlet 221a.

[0074] The air outlet 221a refers to a port for blowing out gas. The shape of the air outlet 221a can be circular, rectangular or other shapes. Specifically, based on the solution that the scraper assembly 220 includes the above-mentioned mounting substrate 221 and the scraper body 222, the air outlet 221a can be provided on the mounting substrate 221, and can also be provided on the scraper body 222.

[0075] The blowing device refers to a device for blowing air into the air outlet 221a. The blowing device can be fixedly mounted on the mounting substrate 221. In this way, it is ensured that the blowing device can always blow air to the air outlet 221a, and the air outlet 221a can blow out gas with a more suitable pressure. Alternatively, the blowing device can also be arranged on the fixed frame 100. When the blowing device is arranged on the fixed frame 100, the blowing port of the blowing device can be connected to the air outlet 221a through a longer hose, thereby reducing the risk of the scraper assembly 220 pulling the blowing device during movement.

[0076] By directing the opening 410 of the air outlet 221a toward the dust box 400, the air outlet of the blowing device is connected to the air outlet 221a, so that the impurities on the photovoltaic panel assembly 800 can be scraped off by the scraper assembly 220, and the gas blown out through the air outlet 221a can further drive the impurities to fall into the dust box 400 quickly, thereby reducing the risk of excessive impurities on the scraper assembly 220. In addition, when the scraper assembly 220 moves from the direction close to the dust removal assembly 300 to the direction away from the dust removal assembly 300, the air can be blown into the air outlet 221a by the blowing device, and the impurities falling from the scraper assembly 220 to the photovoltaic panel assembly 800 can also be blown off to the dust box 400 by the gas blown out of the air outlet 221a, thereby reducing the impurities remaining on the photovoltaic panel assembly 800.

[0077] Please refer to Figure 1 and Figure 4 Furthermore, the area of ​​the opening 410 of the air outlet 221a gradually decreases from the end far from the dust box 400 to the end close to the dust box 400.

[0078] With such a configuration, the pressure of the gas blown out from the gas outlet 221 a can be increased, thereby increasing the distance the gas is blown out, and making the direction of the gas blown out more concentrated, thereby making it easier for impurities to fall into the dust box 400 .

[0079] like Figure 1 As shown, in one embodiment of the utility model, the first driving component 210 includes a first motor 211 and a first screw rod 212, the first motor 211 is installed on the fixed frame 100; the first screw rod 212 is transmission-connected to the first motor 211, and the first screw rod 212 extends along the first direction; the scraper strip component 220 is threadedly matched with the first screw rod 212.

[0080] The first motor 211 is a component for driving the first screw rod 212 to rotate. The first motor 211 includes a housing and a transmission shaft that rotates relative to the housing.

[0081] The first screw rod 212 is a rod-shaped body with a threaded structure and can be connected to the transmission shaft in a transmission manner, so that when the transmission shaft of the first motor 211 rotates, the first screw rod 212 can be driven to rotate.

[0082] By connecting the first screw rod 212 to the first motor 211 in a transmission manner, and the first screw rod 212 extends along the first direction, the scraper bar assembly 220 is threadedly matched with the first screw rod 212, so that when the first motor 211 drives the first screw rod 212 to rotate, the scraper bar assembly 220 can move along the extension direction of the first screw rod 212, that is, it can move from a direction away from the dust removal assembly 300 to a direction close to the dust removal assembly 300, so that the scraper bar assembly 220 can contact the dust removal assembly 300 after cleaning the photovoltaic panel assembly 800 once, and clean the scraper bar assembly 220 through the dust removal assembly 300, thereby reducing impurities remaining on the cleaning assembly 200, and thereby reducing the risk of impurities on the cleaning assembly 200 falling on the photovoltaic panel assembly 800 again.

[0083] Please refer to Figures 1 to 3 Furthermore, the cleaning assembly 200 also includes a limiting rod 230, which is arranged in parallel with the first screw rod 212, and the limiting rod 230 and the first screw rod 212 are respectively passed through the opposite ends of the scraper assembly 220.

[0084] The limit rod 230 is a limit member for limiting the rotation of the scraper bar assembly 220. The limit rod 230 can be a plain rod or a threaded rod. When the limit rod 230 is a plain rod, the difficulty of the manufacturing process of the limit rod 230 can be reduced, thereby reducing the manufacturing cost. When the limit rod 230 is a threaded rod, if the limit rod 230 rotates in the same direction as the first screw rod 212, the thread rotation direction on the limit rod 230 is opposite to the thread rotation direction on the first screw rod 212, thereby ensuring that the opposite ends of the scraper bar assembly 220 can move synchronously in the direction close to the dust removal assembly 300 or move in the direction away from the dust removal assembly 300.

[0085] By setting a limit rod 230 parallel to the first screw rod 212, and the limit rod 230 and the first screw rod 212 are respectively passed through the opposite ends of the scraper bar assembly 220, the risk of the scraper bar assembly 220 rotating relative to the first screw rod 212 can be limited, thereby ensuring that the scraper bar assembly 220 can move more stably along the axial direction of the first screw rod 212.

[0086] Please refer to Figure 2 and Figure 3 In one embodiment of the utility model, the dust removal assembly 300 includes a second drive assembly 310 and a dust removal body 320, the second drive assembly 310 is arranged at one end of the fixed frame 100; the second drive assembly 310 is transmission-connected to the dust removal body 320; the second drive assembly 310 drives the dust removal body 320 to rotate around an axis extending along the second direction; and / or the second drive assembly 310 drives the dust removal body 320 to move along the second direction; wherein the second direction is arranged at an angle to the first direction.

[0087] The second direction may be arranged at an acute angle, a right angle, or an obtuse angle with the first direction.

[0088] The second drive assembly 310 refers to an assembly for driving the dust removal body 320 to move. The second drive assembly 310 can drive the dust removal body 320 to rotate around an axis extending along the second direction. For example, the second drive assembly 310 includes a motor and a transmission shaft, the transmission shaft is connected to the motor, and the motor drives the transmission shaft to rotate; or the second drive assembly 310 includes a driving gear and a driven gear, the driving gear is connected to the motor, the driven gear is connected to the dust removal body 320, and the driving gear and the driven gear are meshed. Alternatively, the second drive assembly 310 can drive the dust removal body 320 to move in the second direction. For example, the second drive assembly 310 includes a gear rack assembly or the second drive assembly 310 includes a cylinder, etc. Alternatively, the second drive assembly 310 can drive the dust removal body 320 to rotate around an axis extending along the second direction, and to move along the second direction. For example, the second drive assembly 310 includes a screw-nut assembly, and a nut is provided on the dust removal body 320, and the nut can both rotate on the screw and move axially; or a worm is provided on the dust removal body 320, and the worm is meshed with the worm wheel, so that when the worm wheel rotates, the worm can both rotate relative to the worm wheel and move relative to the worm wheel along the axial direction of the worm.

[0089] The dust removal body 320 refers to a component used to clean the cleaning component 200. The dust removal body 320 can be a brush roller or a scraper, etc.

[0090] The dust removal body 320 is driven to rotate around an axis extending in the second direction by the second driving component 310; and / or the second driving component 310 drives the dust removal body 320 to move in the second direction, so that after the cleaning component 200 contacts the dust removal body 320, the second driving component 310 drives the dust removal body 320 to rotate or move relative to the cleaning component 200, thereby removing at least part of the impurities on the cleaning component 200 and reducing the risk of impurities on the cleaning component 200 falling on the photovoltaic panel component 800 again.

[0091] Please refer to Figure 2 and Figure 3 In one embodiment of the present invention, the dust removal body 320 is disposed in the dust collecting box 400 , and a portion of the cleaning component 200 can extend into the dust collecting box 400 and contact the dust removal body 320 .

[0092] By placing the dust removal body 320 in the dust box 400, part of the cleaning component 200 can extend into the dust box 400 and contact the dust removal body 320, so that the dust removal body 320 can be carried out in the dust box 400 when removing impurities from the cleaning component 200, so that the inner wall of the dust box 400 can have a certain blocking effect on the impurities, so that the impurities can be concentrated in the dust box 400 as much as possible, reducing the risk of impurities flying and falling on the photovoltaic panel assembly 800 again.

[0093] Please refer to Figure 1 and Figure 2 In one embodiment, the fixed frame 100 has a top end and a bottom end that are relatively arranged, the first direction is the direction from the top end to the bottom end, and the dust collecting box 400 is arranged at the bottom end of the fixed frame 100.

[0094] When the fixing frame 100 is used to fix the photovoltaic panel assembly 800 , since the photovoltaic panel assembly 800 is usually installed at a certain angle to the horizontal plane, the fixing frame 100 has a top end and a bottom end that are arranged opposite to each other.

[0095] By setting the first direction as the direction from the top to the bottom of the fixed frame 100, the cleaning component 200 can move in the direction from the top of the fixed frame 100 to the bottom of the fixed frame 100, and the dust removal component 300 can be movably arranged at the bottom of the fixed frame 100. Therefore, when the cleaning component 200 sweeps downwards the photovoltaic panel assembly 800, more impurities on the photovoltaic panel assembly 800 can fall into the dust box 400 by themselves under the action of gravity, thereby reducing the risk of more impurities remaining on the cleaning component 200.

[0096] Please refer to Figure 1 , Figure 2 , Figure 5 as well as Figure 6 Furthermore, the top of the dust box 400 has an opening 410, and two top covers 420 arranged opposite to each other are movably installed at the opening 410. The two top covers 420 both have an open state in which the opening 410 is opened and a closed state in which at least part of the opening 410 is closed; when the two top covers 420 are in the closed state, an avoidance opening 420a is formed between the two top covers 420 for the cleaning component 200 to extend into or out of.

[0097] The opening 410 disposed on the top of the dust box 400 may be in a circular, rectangular or other shapes.

[0098] The top cover 420 refers to a cover structure for blocking part of the opening 410. The cover can be moved or turned over at the opening 410. The material of the top cover 420 can be a hard plastic material or a metal material, or a soft material such as rubber or silicone.

[0099] By movably installing two top covers 420 arranged opposite to each other at the opening 410, and when both top covers 420 are in the closed state, an escape opening 420a for the cleaning assembly 200 to extend in or out is formed between the two top covers 420, which facilitates the cleaning assembly 200 to extend into the dust box 400 to remove impurities by the dust removal assembly 300, and facilitates the cleaning assembly 200 to extend out of the dust box 400 to clean impurities on the photovoltaic panel assembly 800. In addition, the two top covers 420 can also be in an open state with the opening 410 opened, so that when the cleaning assembly 200 cleans the photovoltaic panel assembly 800, impurities can smoothly pass through the opening 410 and enter the dust box 400, thereby achieving a good dust collection effect of the dust box 400.

[0100] Please refer to Figure 1 and Figure 2 In one embodiment of the utility model, the cleaning device also includes an exhaust fan 500 and a collecting tube 600. The exhaust fan 500 has an inlet and an outlet, and the inlet is connected to the dust collecting box 400. One side of the collecting tube 600 is connected to the outlet of the exhaust fan 500, and the other side is provided with an air outlet.

[0101] The exhaust fan 500 is a device for exhausting air from the dust box 400, so that the impurities on the cleaning component 200 can be sucked down by the airflow, thereby improving the cleaning effect of the impurities on the cleaning component 200. The exhaust fan 500 can be arranged at the bottom of the dust box 400, or at the side of the dust box 400.

[0102] The collecting tube 600 is a container with openings 410 on both sides, and is used to collect impurities extracted by the exhaust fan 500. The collecting tube 600 can be made of metal or plastic.

[0103] By providing the exhaust fan 500, the inlet of the exhaust fan 500 is connected to the dust box 400, and the outlet of the exhaust fan 500 is connected to one side of the collecting tube 600, which is conducive to the impurities on the cleaning component 200 falling more easily under the action of the exhaust airflow of the exhaust fan 500, and on the other hand, it is convenient to timely extract the impurities in the dust box 400 to the collecting tube 600, so as to avoid excessive accumulation of impurities in the dust box 400 and contamination of the dust removal component 300 or the cleaning component 200. By providing an air outlet on the other side of the collecting tube 600, it is convenient to blow the air of the exhaust fan 500 out from the air outlet.

[0104] like Figure 2 As shown, further, a filter screen 700 is installed at the air outlet.

[0105] The filter screen 700 is a mesh body used to filter foreign particles. When the filter screen 700 is installed at the air outlet, it can be installed at the air outlet of the collecting tube 600 by screw connection, clamping connection, magnetic connection or welding.

[0106] By installing a filter 700 at the air outlet, only the air blown by the exhaust fan 500 can pass through while the impurities carried in the wind are retained in the collection tube 600, reducing the risk of impurities being blown out of the collection tube 600 and polluting the external environment again.

[0107] like Figure 1 As shown, in one embodiment of the present invention, the bottom wall 430 of the dust collecting box 400 is inclined downward from a direction away from the entrance to a direction close to the entrance.

[0108] By tilting the bottom wall 430 of the dust box 400 downward from away from the entrance to close to the entrance, the impurities in the dust box 400 can move toward the entrance, which is beneficial for the impurities to be drawn out of the dust box 400 through the exhaust fan 500, avoiding excessive accumulation of impurities in the dust box 400.

[0109] The utility model also proposes a photovoltaic system, such as Figure 1 As shown, the photovoltaic system includes a photovoltaic panel assembly 800 and a cleaning device. The specific structure of the cleaning device refers to the above embodiment. Since the photovoltaic system adopts all the technical solutions of all the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here. Among them, the fixing frame 100 is provided with an installation groove 110, and the photovoltaic panel assembly 800 is installed in the installation groove 110.

[0110] By providing the fixing frame 100 with the mounting groove 110 and installing the photovoltaic panel assembly 800 in the mounting groove 110, the installation effect of the photovoltaic panel assembly 800 can be achieved, and at the same time, the fixing frame 100 can have a good protective effect on the edge of the photovoltaic panel assembly 800. In addition, by installing the photovoltaic panel assembly 800 in the mounting groove 110 of the fixing frame 100 of the above-mentioned cleaning device, the cleaning assembly 200 in the above-mentioned cleaning device can clean the impurities on the photovoltaic panel assembly 800 more comprehensively. The above-mentioned dust removal assembly 300 can clean the cleaning assembly 200 when it contacts the cleaning assembly 200, thereby reducing the risk that the residual impurities on the cleaning assembly 200 will fall on the photovoltaic panel assembly 800 when the cleaning assembly 200 cleans the photovoltaic panel assembly 800 again. By arranging a dust collecting box 400 under the fixing frame, the impurities cleaned from the photovoltaic panel assembly 800 by the cleaning assembly 200 and / or the impurities dropped when the dust removal assembly 300 cleans the cleaning assembly 200 can be collected, thereby reducing the risk of impurities flying randomly.

[0111] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A cleaning device, characterized in that: include: Fixed frame; A cleaning component, the cleaning component is movably arranged on the fixed frame; A dust removal component, the dust removal component is movably arranged on one side of the fixed frame along a first direction; the cleaning component can move along the first direction and contact the dust removal component; When the cleaning component is in contact with the dust removal component, the dust removal component moves relative to the fixed frame and can clean impurities on the cleaning component; and A dust collecting box is arranged on one side of the fixed frame to receive impurities.

2. The cleaning device according to claim 1, characterized in that The cleaning component comprises: a first drive assembly; and The scraper strip assembly is in transmission connection with the first driving assembly, and the first driving assembly drives the scraper strip assembly to move along the first direction.

3. The cleaning device according to claim 2, characterized in that The scraper strip assembly comprises: A mounting base plate, the mounting base plate being drivingly connected to the first driving assembly; The scraper strip body is fixedly arranged on the mounting substrate.

4. The cleaning device according to claim 3, characterized in that The scraper strip assembly is provided with an air outlet, and the opening of the air outlet faces the dust collecting box; the cleaning device also includes a blowing device, and the blowing device has a blowing port, and the blowing port is connected with the air outlet.

5. The cleaning device according to claim 4, characterized in that The opening area of ​​the air outlet gradually decreases from an end away from the dust collecting box to an end close to the dust collecting box.

6. The cleaning device according to claim 2, characterized in that: The first driving assembly comprises: a first motor, the first motor being mounted on the fixing frame; A first screw rod is transmission-connected to the first motor and extends along the first direction; the scraper bar assembly is threadedly matched with the first screw rod.

7. The cleaning device according to claim 6, characterized in that The cleaning assembly further comprises a limiting rod, which is arranged in parallel with the first screw rod. The limiting rod and the first screw rod are respectively passed through opposite ends of the scraper strip assembly.

8. The cleaning device according to claim 1, characterized in that The dust removal component comprises: A second drive assembly, the second drive assembly being disposed at one end of the fixed frame; and A dust removal body, wherein the second driving assembly is drivingly connected to the dust removal body; The second driving assembly drives the dust removal body to rotate around an axis extending in the second direction; and / or the second driving assembly drives the dust removal body to move in the second direction; Wherein, the second direction is arranged at an angle with the first direction.

9. The cleaning device according to claim 8, characterized in that The dust removal body is arranged in the dust collection box, and part of the cleaning component can extend into the dust collection box and contact with the dust removal body.

10. The cleaning device according to claim 8, characterized in that The fixed frame has a top end and a bottom end which are arranged opposite to each other, the first direction is a direction from the top end to the bottom end, and the dust collecting box is arranged at the bottom end of the fixed frame.

11. The cleaning device according to claim 10, characterized in that The top of the dust box is provided with an opening, and two top covers arranged opposite to each other are movably mounted at the opening, and the two top covers both have an open state in which the opening is opened and a closed state in which at least part of the opening is closed; when the two top covers are both in the closed state, an escape opening is formed between the two top covers for the cleaning component to extend into or out of.

12. The cleaning device according to any one of claims 1 to 11, characterized in that The cleaning device also includes: an exhaust fan having an inlet and an outlet, wherein the inlet is connected to the dust box; and A collecting cylinder, one side of which is connected to the outlet of the exhaust fan, and the other side of which is provided with an air outlet.

13. The cleaning device according to claim 12, characterized in that A filter is installed at the air outlet; And / or, the bottom wall of the dust collecting box is arranged to be inclined downward from a direction away from the inlet to a direction close to the inlet.

14. A photovoltaic system, characterized in that: It comprises a photovoltaic panel assembly and a cleaning device as described in any one of claims 1 to 13, wherein the fixing frame is provided with a mounting groove, and the photovoltaic panel assembly is mounted in the mounting groove.

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