Photovoltaic panel cleaning device carried by unmanned aerial vehicle

Abstract

The photovoltaic panel cleaning device carried by the unmanned aerial vehicle comprises a box body structure carried at the bottom of the unmanned aerial vehicle and a pump body installed at the bottom of the box body structure, spraying devices which are independently controlled are arranged on the two sides of the bottom of the box body structure, the spraying devices are connected with the output end of the pump body, and the spraying devices are connected with the output end of the pump body. The box body structure is connected with the input end of the pump body; after being carried by the unmanned aerial vehicle, the device can fly to the position above the photovoltaic panel for cleaning, manual climbing is not needed, and cleaning is safer.

Description

TECHNICAL FIELD

[0001] The utility model relates to a photovoltaic panel cleaning device carried by unmanned plane. BACKGROUND

[0002] Photovoltaic power generation is a technology that converts light energy into electricity by using the photovoltaic effect of the semiconductor interface. It mainly consists of solar panels (components), controllers and inverters.

[0003] Solar panels (also known as photovoltaic panels) are important components that receive sunlight. The coverage of fine particles has little effect on the illumination of solar panels, so the cleaning and maintenance period of photovoltaic panels is relatively long, but not maintenance-free.

[0004] For the maintenance of solar panels, manual cleaning is still the main method, which is low in efficiency. In addition, due to the high installation height of photovoltaic panels, cleaning is not convenient and there are certain safety hazards.

[0005] Therefore, we developed a photovoltaic panel cleaning device carried by unmanned plane based on existing agricultural unmanned plane, which is mounted at the bottom of the unmanned plane and used for spray cleaning of photovoltaic panels. CONTENT OF THE UTILITY MODEL

[0006] The utility model solves the technical problem of providing a photovoltaic panel cleaning device carried by unmanned plane, which is mounted at the bottom of the unmanned plane and used for spray cleaning of photovoltaic panels.

[0007] To solve the above problems, the utility model adopts the following technical scheme:

[0008] A photovoltaic panel cleaning device carried by unmanned plane, comprising a box structure carried at the bottom of the unmanned plane, and a pump body installed at the bottom of the box structure, wherein independent spray devices are arranged at the bottom of the box structure on both sides, the spray devices are connected to the output end of the pump body, and the box structure is connected to the input end of the pump body.

[0009] Preferably, the box structure comprises a box and a box cover installed at the top of the box, the bottom of the box is provided with a groove, the pump body is installed in the groove, and the spray devices are installed on both sides of the groove; a water filling pipe is obliquely arranged at the top of the box cover, and a pipe plug is screwed into the end of the water filling pipe.

[0010] Preferably, an angle column is formed by injection molding at a four-corner position in the box body, a threaded hole is formed at the top of the angle column, a sealing ring is embedded on the top of the box body, the sealing ring is partially protruded to the outside of the box body, the threaded hole is located outside the sealing ring, a through hole corresponding to the threaded hole is formed on the top of the box cover, a bolt is screwed on the top of the box cover, the bolt is screwed into the threaded hole through the through hole, and a connecting column is arranged on the upper end of the bolt.

[0011] Preferably, a U-shaped water baffle is arranged at the groove bottom of the groove, and the opening of the water baffle faces outward; a drain hole is formed at the groove bottom and located on the inner side of the water baffle, and a plug is screwed into the drain hole.

[0012] Preferably, the spraying device comprises a bracket, a hard pipe, a spray head, a hose and an electric telescopic rod; the bracket is in the shape of ∩, an connecting plate is arranged on the top of the bracket, the connecting plate is fixed with the box body, the spray head is arranged on the outward end of the hard pipe, the other end of the hard pipe is sleeved with the hose, the output end of the pump body is connected with the hose, a pin shaft is arranged between the hard pipe and the bracket, and the hard pipe rotates along the pin shaft; the electric telescopic rod is rotatably connected between the hard pipe and the connecting plate, and the spray head faces downward when the electric telescopic rod is retracted.

[0013] Preferably, a three-way pipe is arranged on the output end of the pump body, the three-way pipe is sleeved with two hoses respectively, a sealing ring is arranged at the contact position between the input end of the pump body and the box body, and the sealing ring is fixed by glue.

[0014] The utility model discloses the beneficial effect is:

[0015] Advantage one, the device is mainly adapted to the agricultural unmanned plane of strong load capacity, and can be directly installed for the agricultural unmanned plane.

[0016] Advantage two, the device adopts the pump body to extract cleaning liquid, and then sprays the cleaning liquid through the spraying device to clean, so that most of the adhered particulate matters are washed away.

[0017] Advantage three, after being carried by the unmanned plane, the device can be cleaned on the upper side of the photovoltaic panel, and manual climbing is not needed, so that the cleaning is safer.

[0018] Advantage four, the spraying angle of the spraying device in the device can be adjusted to adapt to the slope of the photovoltaic panel, improve the cleaning effect, and is suitable for popularization and use. DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0020] Figure 1 It is a structural schematic diagram of the present application;

[0021] Figure 2 It is a partial sectional view of the present device;

[0022] Figure 3 It is a bottom view of the present device;

[0023] Figure 4 It is a bottom view of the box;

[0024] Figure 5 It is an enlarged view of A;

[0025] Figure 6 It is an enlarged view of B. DETAILED DESCRIPTION

[0026] All features disclosed in this specification, or all steps of any method or process disclosed in this specification, can be combined in any manner, except where features or steps are mutually exclusive.

[0027] Any feature disclosed in this specification, unless stated otherwise, can be replaced by an alternative feature serving the same, or a similar, purpose.

[0028] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "one end", "the other end", "outer side", "upper", "inner side", "horizontal", "coaxial", "central", "end", "length", "outer end" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0029] In addition, in the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "set," "socket," "connect," "through," and "plug-in" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] See Figure 1 , Figure 3 and Figure 4 The photovoltaic panel cleaning device carried by the drone shown includes a box structure 1 mounted on the bottom of the drone and a pump body 2 installed on the bottom of the box structure 1. Independently controlled spray devices 3 are provided on both sides of the bottom of the box structure 1. The spray devices 3 are connected to the output end of the pump body 2, and the box structure 1 is connected to the input end of the pump body 2.

[0032] In the above technical solution, the housing structure 1 is connected to the body of the drone, and both the pump body 2 and the spraying device 3 are powered by the drone's power supply. The pump body 2 draws out the cleaning fluid located inside the housing structure 1, and the spraying device 3 sprays the cleaning fluid onto the surface of the photovoltaic panel, achieving rapid cleaning of the photovoltaic panel.

[0033] See Figure 1 and Figure 2 As shown, the box structure 1 includes a box body 101 and a box cover 102 installed on the top of the box body 101. A groove 103 is provided at the bottom of the box body 101. The pump body 2 is installed in the groove 103, and the spray device 3 is installed on both sides of the groove 103. A water injection pipe 104 is inclinedly provided on the top of the box cover 102, and a pipe plug 105 is screwed into the end of the water injection pipe 104.

[0034] In the above technical solution, water can be injected through the water injection pipe 104.

[0035] The design of the groove 103 allows the drone to contact the ground through the bottom surface of the housing 101 when it lands.

[0036] See Figure 2 and Figure 5As shown, an angle column 121 is formed by injection molding at the four corners of the box body 101, a threaded hole 131 is formed at the top of the angle column 121, a sealing ring 141 is embedded at the top of the box body 101, the sealing ring 141 is partially protruded to the outside of the box body 101, the threaded hole 131 is located outside the sealing ring 141, a through hole corresponding to the threaded hole 131 is formed at the top of the box cover 102, a bolt is screwed at the top of the box cover 102, the bolt passes through the through hole and is screwed into the threaded hole 131, the upper end of the bolt is provided with a connecting column 151, the connecting column 151 is pressed at the top of the box cover 102, and a first threaded hole 161 is formed at the top of the connecting column 151.

[0037] In the technical scheme, the angle column 121 formed by injection molding can increase the structural strength of the box body 101 at the four corners, and the upper end of the connecting column 151 is connected to the body of the unmanned aerial vehicle through the bolt.

[0038] The sealing ring 141 is pressed to form a seal after elastic compression deformation.

[0039] Referring to Figure 4 As shown, a U-shaped water baffle 171 is arranged at the bottom of the groove 103, the opening of the water baffle 171 faces outward, a drain hole is formed at the bottom of the groove 103 and located inside the water baffle 171, and a plug 181 is screwed into the drain hole.

[0040] In the technical scheme, the plug 181 can be easily pulled out to drain water.

[0041] The opening of the water baffle 171 is away from the pump body 2.

[0042] Referring to Figure 6 As shown, the spraying device 3 comprises a bracket 301, a hard pipe 302, a spray head 303, a soft pipe 304, and an electric telescopic rod 305; the bracket 301 is in the shape of “∩”, a connecting plate 322 is arranged at the top of the bracket 301, the connecting plate 322 is fixed to the box body 101, the spray head 303 is installed at the outward end of the hard pipe 302, the other end of the hard pipe 302 is sleeved with the soft pipe 304, the soft pipe 304 is connected to the output end of the pump body 2, a pin shaft 306 is installed between the hard pipe 302 and the bracket 301, and the hard pipe 302 rotates along the pin shaft 306; the electric telescopic rod 305 is rotationally connected between the hard pipe 302 and the connecting plate 322, and when the electric telescopic rod 305 is retracted, the spray head 303 faces downward.

[0043] In the technical scheme, the electric telescopic rod 305 is powered by the power supply of the unmanned aerial vehicle and is centrally controlled by the control system of the unmanned aerial vehicle, the electric telescopic rods 305 on the two sides can be independently adjusted, and the hose 304 has a sufficient excess amount to adapt to the angle change of the rigid pipe 302.

[0044] The pitch angle of the rigid pipe 302 can be adjusted by adjusting the retraction amplitude of the electric telescopic rod 305, so that the nozzle 303 can face the photovoltaic panel, the unmanned aerial vehicle can keep slow flight, the cleaning liquid can be pumped by the pump body, and the photovoltaic panel can be cleaned by high-speed spraying of the nozzle 303.

[0045] Referring to Figure 4 As shown in the figure, the output end of the pump body 2 is provided with a three-way pipe 21, the three-way pipe 21 is sleeved with two hoses 304 respectively, the input end of the pump body 2 is provided with a sealing ring 22 at the contact position with the box body 101, and the sealing ring 22 is fixed by glue at the position where the sealing ring 22 contacts the input end of the pump body 2 and the box body 101.

[0046] In the technical scheme, the manufacturing process is simplified, during installation, only the hole is opened in the bottom of the box body 101, the input end of the pump body 2 is inserted into the hole, and then the sealing ring 22 is used to form a seal at the position of the input end of the pump body 2 and the hole of the box body 101.

[0047] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0048] The relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless otherwise specifically stated. At the same time, it should be understood that the sizes of the various parts shown in the drawings are not drawn in proportion to the actual proportions. The techniques, methods and devices known to those skilled in the relevant art can not be discussed in detail, but under appropriate circumstances, the techniques, methods and devices should be considered as part of the authorized specification. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0049] For purposes of the description hereinafter, spatial

[0050] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments consistent with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0051] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments consistent with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0052] The preferred embodiments of the present application have been described above with the aid of drawing figures, and are not limited to those embodiments; instead, they will include any changes that do not constitute departures from the spirit and scope of the present application.

Claims

1. A photovoltaic panel cleaning device mounted on a drone, characterized in that: It includes a box structure (1) mounted on the bottom of the drone and a pump body (2) installed on the bottom of the box structure (1). Independently controlled spray devices (3) are provided on both sides of the bottom of the box structure (1). The spray devices (3) are connected to the output end of the pump body (2), and the box structure (1) is connected to the input end of the pump body (2).

2. The photovoltaic panel cleaning device carried by the UAV according to claim 1, characterized in that: The box structure (1) includes a box body (101) and a box cover (102) installed on the top of the box body (101). A groove (103) is provided at the bottom of the box body (101). The pump body (2) is installed in the groove (103). The spraying device (3) is installed on both sides of the groove (103). A water injection pipe (104) is inclinedly provided on the top of the box cover (102). A pipe plug (105) is screwed into the end of the water injection pipe (104).

3. The photovoltaic panel cleaning device carried by the UAV according to claim 2, characterized in that: Corner posts (121) are injection molded at the four corners of the box body (101). Threaded holes (131) are machined on the top of the corner posts (121). A sealing ring (141) is embedded in the top of the box body (101). The sealing ring (141) protrudes partially to the outside of the box body (101). The threaded hole (131) is located outside the sealing ring (141). A through hole corresponding to the threaded hole (131) is machined on the top of the box cover (102). A bolt is screwed into the top of the box cover (102). The bolt passes through the through hole and is screwed into the threaded hole (131). A connecting post (151) is provided at the upper end of the bolt. The connecting post (151) is pressed against the top of the box cover (102). A first threaded hole (161) is machined on the top of the connecting post (151).

4. The photovoltaic panel cleaning device carried by the UAV according to claim 3, characterized in that: A U-shaped baffle plate (171) is provided at the bottom of the groove (103), with the opening of the baffle plate (171) facing outward; at the bottom of the groove (103), a drain hole is machined on the inner side of the baffle plate (171), and a plug (181) is screwed into the drain hole.

5. The photovoltaic panel cleaning device carried by the UAV according to claim 2, characterized in that: The spraying device (3) includes a bracket (301), a rigid pipe (302), a nozzle (303), a hose (304), and an electric telescopic rod (305); the bracket (301) is "∩" shaped, and a connecting plate (322) is inclinedly arranged on the top of the bracket (301). The connecting plate (322) is fixed to the housing (101). The nozzle (303) is installed at one end of the rigid pipe (302) facing outward, and the other end of the rigid pipe (302) is connected to the... The hose (304) is connected to the output end of the pump body (2). A pin (306) is installed between the rigid tube (302) and the bracket (301). The rigid tube (302) rotates along the pin (306). The electric telescopic rod (305) is rotatably connected between the rigid tube (302) and the connecting plate (322). When the electric telescopic rod (305) retracts, the nozzle (303) faces downward.

6. The photovoltaic panel cleaning device carried by the UAV according to claim 5, characterized in that: The output end of the pump body (2) is equipped with a three-way pipe (21), which is connected to two hoses (304) respectively. A sealing ring (22) is provided at the contact position between the input end of the pump body (2) and the housing (101). The sealing ring (22) is glued and fixed at the contact position between the housing (101) and the input end of the pump body (2).

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