Photovoltaic panel cleaning equipment and photovoltaic power generation structure

Abstract

The utility model relates to the technical field of photovoltaic power generation, and provides photovoltaic panel cleaning equipment and a photovoltaic power generation structure. The photovoltaic panel cleaning equipment comprises a spraying device, a power pump, a water tank and a filtering device. The spraying direction of the spraying device faces the photovoltaic panel, a water storage cavity and a filtering cavity are formed in the water tank and separated through the filtering device, an inlet of the power pump is connected with the water storage cavity, an outlet of the power pump is connected with the spraying device, and the filtering cavity is formed in the tail end of the photovoltaic panel so as to contain dirty water discharged from the tail end of the photovoltaic panel. Through the structural arrangement, in the cleaning process of the photovoltaic panel, the power pump pumps water from the water storage cavity of the water tank and supplies the water to the spraying device, and the spraying device sprays water to the photovoltaic panel so as to clean the photovoltaic panel. Dirty water after cleaning is discharged into the filtering cavity from the tail end of the photovoltaic panel. The dirty water in the filtering cavity is filtered by the filtering device and then enters the water storage cavity, so that the dirty water is recycled, and the effect of saving water is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic power generation, in particular to a photovoltaic panel cleaning device and a photovoltaic power generation structure. Background Art

[0002] Energy is an important material prerequisite for human survival and development. With the consumption of non-renewable energy such as coal, oil, and natural gas, the development of new energy has become the most urgent task at present. Solar energy is a clean, renewable, easy-to-use and huge new energy. The solar radiation received by the earth's surface can meet 10,000 times the global energy demand. International energy data shows that installing solar photovoltaic systems on 4% of the world's deserts is enough to meet global energy needs. Photovoltaic panels are devices that can convert solar energy into electrical energy. Dust and stains on photovoltaic panels will affect their photoelectric conversion efficiency. The desert areas in Xinjiang have great potential for light energy development, but their water resources are relatively scarce. In the prior art, when spraying and cleaning photovoltaic panels, the dirty water after cleaning falls directly from the photovoltaic panels to the ground, which will cause a waste of water resources. Utility Model Content

[0003] The utility model provides a photovoltaic panel cleaning device and a photovoltaic power generation structure, which are used to solve the problem in the prior art that when spray cleaning the photovoltaic panel, dirty water after cleaning is directly discharged to the ground, which easily causes waste of water resources.

[0004] According to a first aspect of the utility model, a photovoltaic panel cleaning device is provided, comprising: a spray device, a power pump, a water tank and a filtering device,

[0005] The spraying direction of the spraying device is set toward the photovoltaic panel, the water tank is provided with a water storage chamber and a filter chamber, the water storage chamber and the filter chamber are separated by the filter device, the inlet of the power pump is connected to the water storage chamber, the outlet of the power pump is connected to the spraying device, and the filter chamber is arranged at the end of the photovoltaic panel to receive the dirty water discharged from the end of the photovoltaic panel.

[0006] According to a photovoltaic panel cleaning device provided by the utility model, a guide structure is arranged between the filter cavity and the end of the photovoltaic panel, the guide structure includes a large-mouth end and a small-mouth end, the flow-through surface of the large-mouth end spans the end of the photovoltaic panel, and the small-mouth end is connected to a guide pipe, the guide pipe is connected to the water tank, and communicates with the filter cavity.

[0007] According to a photovoltaic panel cleaning device provided by the utility model, the photovoltaic panel cleaning device also includes a water replenishing tank, the water replenishing tank is connected to the water storage chamber, and a water replenishing valve is arranged between the water replenishing tank and the water storage chamber.

[0008] According to a photovoltaic panel cleaning device provided by the utility model, the photovoltaic panel cleaning device also includes a control device, a liquid level sensor is arranged in the water storage chamber, the control device is connected to the liquid level sensor and the water replenishment valve, and is used to control the working state of the water replenishment valve based on the detection result of the liquid level sensor.

[0009] According to a photovoltaic panel cleaning device provided by the utility model, the photovoltaic panel cleaning device also includes a driving device and an image acquisition device.

[0010] Among them, the driving device is connected to the spraying device and is used to adjust the position of the spraying device. The image acquisition device can acquire the stain position of the photovoltaic panel. The control device is connected to the image acquisition device and the driving device and is used to control the working state of the driving device based on the stain position acquisition result of the image acquisition device.

[0011] According to a photovoltaic panel cleaning device provided by the utility model, the photovoltaic panel cleaning device also includes a dust suction device, the dust suction device is connected to the driving device, and the driving device is used to adjust the position of the dust suction device.

[0012] According to a photovoltaic panel cleaning device provided by the utility model, the spray device includes a spray pipe, a plurality of spray holes are spaced apart on the spray pipe, a flat nozzle is installed on each spray hole, and the dust suction device includes a fan and a dust suction pipe, the fan is connected to the dust suction pipe, and the dust suction pipe is connected to the spray pipe.

[0013] According to a photovoltaic panel cleaning device provided by the utility model, the driving device includes a first rail, a second rail and a first power device, the first rail is arranged along the longitudinal direction of the photovoltaic panel, the second rail is slidably connected to the first rail along the transverse direction of the photovoltaic panel, the first power device is connected between the first rail and the second rail, and is used to drive the second rail to slide along the second rail, and the spray pipe is connected to the second rail.

[0014] According to a photovoltaic panel cleaning device provided by the utility model, the photovoltaic panel cleaning device also includes a cleaning brush, the driving device also includes a second power device, the cleaning brush is slidably connected to the second track, and the second power device is used to drive the cleaning brush to slide along the second track.

[0015] According to a second aspect of the utility model, a photovoltaic power generation structure is provided, comprising a photovoltaic panel and the photovoltaic panel cleaning device as described above, wherein the photovoltaic panel cleaning device is connected to the photovoltaic panel.

[0016] The photovoltaic panel cleaning device provided by the utility model includes a spray device, a power pump, a water tank and a filter device. The spray direction of the spray device is set toward the photovoltaic panel to spray water onto the upper surface of the photovoltaic panel. A water storage chamber and a filter chamber are set in the water tank. The water storage chamber and the filter chamber are separated by a filter device. The filter device is used to filter the dirty water in the filter chamber, and the relatively clean water after filtration can enter the water storage chamber. The inlet of the power pump is connected to the water storage chamber, and the outlet of the power pump is connected to the spray device. The filter chamber is set at the end of the photovoltaic panel, wherein the end of the photovoltaic panel refers to the end of the photovoltaic panel with a relatively lower height. The filter chamber can hold the dirty water discharged from the end of the photovoltaic panel.

[0017] With this structural arrangement, during the cleaning process of the photovoltaic panel, the power pump draws water from the water storage chamber of the water tank and supplies it to the spray device, and the spray device sprays water on the photovoltaic panel to clean the photovoltaic panel. The cleaned dirty water is discharged from the end of the photovoltaic panel into the filter chamber. The dirty water in the filter chamber enters the water storage chamber after being filtered by the filter device, so as to realize the reuse of the dirty water and thus achieve the effect of saving water.

[0018] Furthermore, in the photovoltaic power generation structure provided by the present invention, since it includes the photovoltaic panel cleaning device as described above, the advantages as described above are also specifically provided. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the present invention or related technologies, the drawings required for use in the embodiments or related technical descriptions are briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a partial structural schematic diagram of the photovoltaic panel structure provided by the utility model;

[0021] Figure 2 It is a structural schematic diagram of a water tank and a filtering device in a photovoltaic panel cleaning device provided by the utility model;

[0022] Reference numerals:

[0023] 100, spray device; 110, spray pipe; 120, flat nozzle; 200, water tank; 300, filter device; 400, photovoltaic panel; 500, guide structure; 510, large mouth end; 520, small mouth end; 530, guide pipe; 600, driving device; 610, first track; 620, second track; 630, first power device; 640, second power device; 700, dust suction device; 710, fan; 800, cleaning brush. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0025] In the description of the embodiments of the present utility model, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "top", "bottom", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0026] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0027] In the embodiments of the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0028] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model embodiment. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0029] Combine the following Figure 1 and Figure 2 A photovoltaic panel cleaning device and a photovoltaic power generation structure provided by the utility model are described. It should be understood that the following description is only an illustrative embodiment of the utility model and does not constitute any particular limitation to the utility model.

[0030] The embodiment of the first aspect of the utility model provides a photovoltaic panel cleaning device, such as Figure 1 and Figure 2 As shown, the photovoltaic panel cleaning device includes: a spray device 100, a power pump, a water tank 200 and a filtering device 300.

[0031] The spraying direction of the spray device 100 is set toward the photovoltaic panel 400. A water storage chamber and a filter chamber are provided in the water tank 200. The water storage chamber and the filter chamber are separated by the filter device 300. The inlet of the power pump is connected to the water storage chamber. The outlet of the power pump is connected to the spray device 100. The filter chamber is set at the end of the photovoltaic panel 400 to receive dirty water discharged from the end of the photovoltaic panel 400.

[0032] The photovoltaic panel cleaning device provided by the utility model includes a spray device 100, a power pump, a water tank 200 and a filter device 300. The spray direction of the spray device 100 is set toward the photovoltaic panel 400 to spray water on the upper surface of the photovoltaic panel 400. A water storage chamber and a filter chamber are arranged in the water tank 200. The water storage chamber and the filter chamber are separated by the filter device 300. The filter device 300 is used to filter the dirty water in the filter chamber, and the relatively clean water after filtration can enter the water storage chamber. The inlet of the power pump is connected to the water storage chamber, and the outlet of the power pump is connected to the spray device 100. The filter chamber is arranged at the end of the photovoltaic panel 400, wherein the end of the photovoltaic panel 400 refers to the end of the photovoltaic panel 400 with a relatively low height. The filter chamber can receive the dirty water discharged from the end of the photovoltaic panel 400.

[0033] With this structural arrangement, during the cleaning process of the photovoltaic panel 400, the power pump draws water from the water storage chamber of the water tank 200 and supplies it to the spray device 100, and the spray device 100 sprays water onto the photovoltaic panel 400 to clean the photovoltaic panel 400. The cleaned dirty water is discharged from the end of the photovoltaic panel 400 into the filter chamber. The dirty water in the filter chamber enters the water storage chamber after being filtered by the filter device 300, so as to realize the reuse of the dirty water, thereby achieving the effect of saving water.

[0034] For example, in Figure 2 In the illustrated embodiment, the filter device 300 is a filter plate, which is inserted into the water tank 200 in the horizontal direction to divide the inner cavity of the water tank 200 into a filter cavity located at the upper side and a water storage cavity located at the lower side. A flip door is provided at one end of the water tank 200, so that the filter plate can be pulled out and replaced or cleaned by the flip door.

[0035] In one embodiment of the utility model, a flow guide structure 500 is provided between the filter cavity and the end of the photovoltaic panel 400. The flow guide structure 500 includes a large end 510 and a small end 520. The flow passage surface of the large end 510 spans the end of the photovoltaic panel 400, and a flow guide pipe 530 is connected to the small end. The flow guide pipe 530 is connected to the water tank 200 and communicates with the filter cavity.

[0036] For example, Figure 1 As shown, the upper end of the guide structure 500 is a large-mouth end 510, and the lower end is a small-mouth end 520. Each edge of the large-mouth end 510 is located outside each corresponding edge of the photovoltaic panel 400, so that the dirty water discharged from the end of the photovoltaic panel 400 can enter the guide structure 500 from the large-mouth end 510 as much as possible, reducing the possibility of dirty water leaking to the ground. The small-mouth end 520 of the guide structure 500 is connected to one end of the guide pipe 530, and the other end of the guide pipe 530 is connected to the filter chamber of the water tank 200. As a result, the dirty water enters the filter chamber in the water tank 200 after passing through the large-mouth end 510 and the small-mouth section.

[0037] In one embodiment of the utility model, the photovoltaic panel 400 cleaning device further includes a water replenishing tank 200. The water replenishing tank 200 is connected to the water storage chamber. A water replenishing valve is provided between the water replenishing tank 200 and the water storage chamber.

[0038] Furthermore, in one embodiment of the utility model, the photovoltaic panel cleaning device further comprises a control device. A liquid level sensor is arranged in the water storage chamber. The control device is connected to the liquid level sensor and the water supply valve, and is used to control the working state of the water supply valve based on the detection result of the liquid level sensor.

[0039] Specifically, a replenishing water source is stored in the replenishing water tank 200. The replenishing water tank 200 is connected to the water storage chamber of the water tank 200 through a pipeline, and a replenishing water valve is installed on the pipeline. A liquid level sensor is arranged in the water storage chamber. The liquid level sensor is used to detect the liquid level in the water storage chamber in real time. The control device is connected by the liquid level sensor and the replenishing water valve. When the actual liquid level in the water storage chamber is lower than the preset liquid level, the replenishing water valve is controlled to open so that the water in the replenishing water tank 200 is replenished into the water storage chamber. When the actual liquid level in the water storage chamber is not lower than the preset liquid level, the replenishing water valve is controlled to close.

[0040] In one embodiment of the present invention, the photovoltaic panel cleaning device further includes a driving device 600 and an image acquisition device.

[0041] The driving device 600 is connected to the spraying device 100 and is used to adjust the position of the spraying device 100. The image acquisition device can acquire the stain position of the photovoltaic panel 400. The control device is connected to the image acquisition device and the driving device 600 and is used to control the working state of the driving device 600 based on the stain position acquisition result of the image acquisition device.

[0042] In one embodiment of the present invention, the photovoltaic panel cleaning device further includes a dust collecting device 700. The dust collecting device 700 is connected to the driving device 600, and the driving device 600 is used to adjust the position of the dust collecting device 700.

[0043] In one embodiment of the utility model, the spray device 100 includes a spray pipe 110. The spray pipe 110 is provided with a plurality of spray holes at intervals. A flat nozzle 120 is installed on each spray hole. The dust suction device 700 includes a fan 710 and a dust suction pipe. The fan 710 is connected to the dust suction pipe, and the dust suction pipe is connected to the spray pipe 110.

[0044] Further, in one embodiment of the utility model, the driving device 600 includes a first track 610, a second track 620 and a first power device 630. The first track 610 is arranged along the longitudinal direction of the photovoltaic panel 400. The second track 620 is slidably connected to the first track 610 along the transverse direction of the photovoltaic panel 400. The first power device 630 is connected between the first track 610 and the second track 620, and is used to drive the second track 620 to slide along the second track 620. The spray pipe 110 is connected to the second track 620.

[0045] For example, Figure 1As shown, the first track 610 includes two slideways, one of which is arranged on one side of the photovoltaic panel 400 along the longitudinal direction of the photovoltaic panel 400, and the other slideway is arranged on the other side of the photovoltaic panel 400 along the longitudinal direction of the photovoltaic panel 400. The two ends of the second track 620 are respectively slidably connected with the two slideways of the first track 610. The spray pipe 110 is connected to the second track 620. The spray pipe 110 is arranged along the transverse direction of the photovoltaic panel 400, and its spray range can cover the photovoltaic panel 400 laterally. The first power device 630 is used to drive the second track 620 to drive the spray pipe 110 to slide along the first track 610. The spray device 100 includes a spray pipe 110. A plurality of spray holes are spaced apart on the spray pipe 110. A flat nozzle 120 is installed on each spray hole. The dust suction device 700 includes a fan 710 and a dust suction pipe. The fan 710 is connected to the dust suction pipe, and the dust suction pipe is connected to the spray pipe 110. Thus, the dust suction device 700 can use the spray pipe 110 of the spray device 100 to suction dust, which can greatly save costs. In addition, the dust suction device 700 should also be equipped with a dust box, and the dust and other stains sucked from the photovoltaic panel 400 can be collected in the dust box for unified treatment.

[0046] In one embodiment of the present invention, Figure 1 As shown, the photovoltaic panel cleaning device further includes a cleaning brush 800. The driving device 600 further includes a second power device 640. The cleaning brush 800 is slidably connected to the second track 620. The second power device 640 is used to drive the cleaning brush 800 to slide along the second track 620.

[0047] The image acquisition device can collect stain information on the photovoltaic panel 400, including the location of the stain, the type of the stain, the thickness of the stain, etc. The control device adjusts the working state of the first power device 630 and the second power device 640, and whether to start the dust collection device 700 and the spray device 100 based on the stain information collected by the image acquisition device, so as to improve the cleaning effect and save energy.

[0048] The embodiment of the second aspect of the utility model provides a photovoltaic power generation structure, including a photovoltaic panel 400 and the photovoltaic panel cleaning device as described above, wherein the photovoltaic panel cleaning device is connected to the photovoltaic panel 400.

[0049] Furthermore, in the photovoltaic power generation structure provided by the present invention, since it includes the photovoltaic panel cleaning device as described above, it also has the advantages as described above.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A photovoltaic panel cleaning device, characterized in that: include: A spray device (100), a power pump, a water tank (200) and a filtering device (300), The spraying direction of the spray device (100) is arranged toward the photovoltaic panel (400), a water storage chamber and a filter chamber are arranged in the water tank (200), the water storage chamber and the filter chamber are separated by the filter device (300), the inlet of the power pump is connected to the water storage chamber, the outlet of the power pump is connected to the spray device (100), and the filter chamber is arranged at the end of the photovoltaic panel (400) to receive dirty water discharged from the end of the photovoltaic panel (400).

2. The photovoltaic panel cleaning device according to claim 1, characterized in that: A flow guide structure (500) is provided between the filter cavity and the end of the photovoltaic panel (400), and the flow guide structure (500) comprises a large-mouth end (510) and a small-mouth end (520). The flow passage surface of the large-mouth end (510) spans the end of the photovoltaic panel (400), and the small-mouth end is connected to a flow guide pipe (530), and the flow guide pipe (530) is connected to the water tank (200) and communicates with the filter cavity.

3. The photovoltaic panel cleaning device according to claim 2, characterized in that: The photovoltaic panel (400) cleaning device further comprises a water replenishment tank (200), wherein the water replenishment tank (200) is connected to the water storage chamber, and a water replenishment valve is provided between the water replenishment tank (200) and the water storage chamber.

4. The photovoltaic panel cleaning device according to claim 3, characterized in that: The photovoltaic panel cleaning device also includes a control device. A liquid level sensor is arranged in the water storage chamber. The control device is connected to the liquid level sensor and the water replenishment valve and is used to control the working state of the water replenishment valve based on the detection result of the liquid level sensor.

5. The photovoltaic panel cleaning device according to claim 4, characterized in that: The photovoltaic panel cleaning device also includes a driving device (600) and an image acquisition device. The driving device (600) is connected to the spraying device (100) and is used to adjust the position of the spraying device (100); the image acquisition device is capable of acquiring the stain position of the photovoltaic panel (400); and the control device is connected to the image acquisition device and the driving device (600) and is used to control the working state of the driving device (600) based on the stain position acquisition result of the image acquisition device.

6. The photovoltaic panel cleaning device according to claim 5, characterized in that: The photovoltaic panel cleaning device further comprises a dust suction device (700), wherein the dust suction device (700) is connected to the driving device (600), and the driving device (600) is used to adjust the position of the dust suction device (700).

7. The photovoltaic panel cleaning device according to claim 6, characterized in that: The spray device (100) comprises a spray pipe (110), the spray pipe (110) is provided with a plurality of spray holes at intervals, and a flat nozzle (120) is installed on each spray hole, respectively; the dust suction device (700) comprises a fan (710) and a dust suction pipe, the fan (710) is connected to the dust suction pipe, and the dust suction pipe is connected to the spray pipe (110).

8. The photovoltaic panel cleaning device according to claim 7, characterized in that: The driving device (600) comprises a first track (610), a second track (620) and a first power device (630); the first track (610) is arranged along the longitudinal direction of the photovoltaic panel (400); the second track (620) is slidably connected to the first track (610) along the transverse direction of the photovoltaic panel (400); the first power device (630) is connected between the first track (610) and the second track (620) and is used to drive the second track (620) to slide along the second track (620); and the spray pipe (110) is connected to the second track (620).

9. The photovoltaic panel cleaning device according to claim 8, characterized in that: The photovoltaic panel cleaning device further comprises a cleaning brush (800), and the driving device (600) further comprises a second power device (640), the cleaning brush (800) is slidably connected to the second track (620), and the second power device (640) is used to drive the cleaning brush (800) to slide along the second track (620).

10. A photovoltaic power generation structure, characterized in that: The photovoltaic power generation structure comprises a photovoltaic panel (400) and a photovoltaic panel cleaning device according to any one of claims 1 to 9, wherein the photovoltaic panel cleaning device is connected to the photovoltaic panel (400).

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