Accumulated water cleaning device and photovoltaic module

Abstract

The utility model relates to an accumulated water cleaning device and a photovoltaic module, and belongs to the technical field of photovoltaic modules. The accumulated water cleaning device comprises a fixing assembly and a cleaning assembly, the cleaning assembly comprises a water absorption part and a drainage part, the water absorption part is arranged at the edge of a photovoltaic panel through the fixing assembly, the drainage part is connected with the water absorption part, and the drainage part is located below the water absorption part. And the drainage part is used for moving the accumulated water absorbed by the water absorption part out of the photovoltaic panel. Accumulated water on the photovoltaic panel is sucked away through the water absorption part and the drainage part, and meanwhile, substances such as an ash layer dissolved in the accumulated water can be taken away, so that the ash layer is prevented from being accumulated on the photovoltaic panel.

Description

Technical Field

[0001] The present application belongs to the technical field of photovoltaic modules, and in particular relates to a water cleaning device and a photovoltaic module. Background Art

[0002] As the core component of a solar power generation system, the performance and efficiency of photovoltaic modules directly impact the system's power generation and economic benefits. After rainy days, water accumulates on the modules. This water dries, leaving behind a layer of dust, which affects their efficiency.

[0003] The method for cleaning water accumulated in photovoltaic modules mainly relies on manual cleaning.

[0004] However, most distributed photovoltaic power stations are developed and constructed based on rooftop resources such as factories or residences, making them difficult to clean manually. Utility Model Content

[0005] The embodiments of the present application provide a water cleaning device and a photovoltaic module, which are used to solve the problem in the prior art that after the residual water on the photovoltaic module is dried, a dust layer will be left on the photovoltaic module, affecting the working efficiency of the photovoltaic module.

[0006] In a first aspect, an embodiment of the present application provides a device for cleaning accumulated water, comprising a fixing component and a cleaning component, wherein the cleaning component comprises a water absorbing portion and a drainage portion.

[0007] The water absorption part is arranged at the edge of the photovoltaic panel via the fixing assembly, and the drainage part is connected to the water absorption part. The drainage part is located below the water absorption part and is used to move the accumulated water absorbed by the water absorption part to the outside of the photovoltaic panel. The accumulated water is dripped onto the ground through the drainage part, thereby achieving drainage of the accumulated water.

[0008] In an embodiment of the present application, the drainage portion includes at least two drainage columns, each of which is spaced apart on the side of the water absorption portion. The spaced apart drainage columns can divert the accumulated water, thereby improving the efficiency of clearing the accumulated water while saving materials.

[0009] In the embodiment of the present application, the fixing assembly includes a first fixing portion and a second fixing portion.

[0010] The first fixing portion is disposed on the photovoltaic panel, and the second fixing portion is disposed on the water absorbing portion. The water absorbing portion is fixed to the photovoltaic panel via the first fixing portion and the second fixing portion. The connection between the first fixing portion and the second fixing portion enables a detachable connection between the water absorbing portion and the photovoltaic panel, thereby facilitating replacement of the water absorbing portion.

[0011] In the embodiment of the present application, the first fixing part is a magnet, and the second fixing part is a magnet or an iron sheet. Through the adsorption effect of the magnets, the water absorbing part and the photovoltaic panel can be detachably mounted, which is simple and convenient to operate.

[0012] In an embodiment of the present application, the first fixing portion includes a first clamping block and a second clamping block, and the second fixing portion includes a fixing rod. The first clamping block and the second clamping block are arranged opposite each other, and the fixing rod is clamped between the first clamping block and the second clamping block. By clamping the fixing rod between the first clamping block and the second clamping block, the water absorption portion and the photovoltaic panel can be detachably mounted, thereby ensuring a more secure connection between the two.

[0013] In the embodiment of the present application, the first clamping block and the second clamping block are both arc-shaped blocks, so that the first clamping block and the second clamping block can better fit the fixing rod, thereby strengthening the connection between the water absorption part and the photovoltaic panel.

[0014] In an embodiment of the present application, a storage bin is further included, which is disposed on the drainage portion and below the photovoltaic panel, and is used to store the wires of the photovoltaic panel, thereby effectively resolving the hidden danger of frequent wire shedding of photovoltaic modules.

[0015] In an embodiment of the present application, the width of the water absorbing portion is equal to the width of the photovoltaic panel, thereby increasing the contact area between the water absorbing portion and the photovoltaic panel and improving the drainage effect.

[0016] In the embodiment of the present application, the water absorption part adopts a PVC drain board, and the drainage part adopts a PVC drain board. The PVC drain board has good toughness and absorbs the accumulated water through capillary force.

[0017] In a second aspect, an embodiment of the present application further provides a photovoltaic assembly, comprising a photovoltaic panel and a water cleaning device as described in the first aspect, which is arranged on the photovoltaic panel.

[0018] The present application provides a device for cleaning accumulated water and a photovoltaic panel, including a fixing assembly and a cleaning assembly. The cleaning assembly includes a water suction portion and a drainage portion. The water suction portion is positioned at the edge of a photovoltaic panel via the fixing assembly. The drainage portion is connected to the water suction portion and is located below the water suction portion. The drainage portion is used to move accumulated water absorbed by the water suction portion to the outside of the photovoltaic panel. The water suction portion and the drainage portion are used to remove accumulated water from the photovoltaic panel, and at the same time, remove substances such as ash dissolved in the accumulated water, thereby preventing ash accumulation on the photovoltaic panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings herein are incorporated in and constitute a part of the specification, illustrate embodiments consistent with the present application, and together with the description, are used to explain the principles of the embodiments of the present application.

[0020] Figure 1 A schematic diagram of the structure of a water cleaning device provided in an embodiment of the present application;

[0021] Figure 2 for Figure 1 Front view of

[0022] Figure 3 for Figure 2 A schematic diagram of the structure when the water absorption part and the photovoltaic panel are connected by magnets;

[0023] Figure 4 for Figure 2 Schematic diagram of the structure when the water absorption part and the photovoltaic panel are connected by a snap-on connection.

[0024] Reference numerals:

[0025] 100-photovoltaic panels;

[0026] 200-Fixed component;

[0027] 210-first fixing portion;

[0028] 211-first card block;

[0029] 212-second card block;

[0030] 220- second fixing portion;

[0031] 221-fixed rod;

[0032] 300-cleaning components;

[0033] 310-water absorption part;

[0034] 320-drainage;

[0035] 400-Storage warehouse.

[0036] The above drawings illustrate specific embodiments of the present application, which will be described in more detail below. These drawings and the textual description are not intended to limit the scope of the present application in any way, but rather to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments. DETAILED DESCRIPTION

[0037] To make the objectives, technical solutions, and advantages of this application more clear, the technical solutions in this application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0038] The terms "first," "second," "third," "fourth," and so on (if any) in the specification and claims of this application and the accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a particular order or sequential sequence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of the application described herein, for example, can be implemented in an order other than those illustrated or described herein.

[0039] In the embodiments of this application, words such as "exemplary" or "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described in this application as "exemplary" or "for example" should not be construed as being preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "for example" is intended to present the relevant concepts in a concrete manner.

[0040] In the description of the embodiments of the present application, it should be understood that the terms "inside", "outside", "top", "bottom", "front", "back", etc., indicating the orientation or position relationship (if any), are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply 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 a limitation on the present application.

[0041] As the core component of a solar power generation system, the performance and efficiency of photovoltaic modules directly impact the overall system's power generation and economic benefits. Existing distributed photovoltaic modules are installed with a certain inclination angle in mind. When the modules are installed at a shallow angle, water droplets can accumulate on the module surface, making it difficult to effectively drain. Consequently, most dust accumulation on photovoltaic modules is caused by water accumulating on the lower frame during rainy days. After the accumulated water evaporates, dust settles on the module surface, affecting its power generation efficiency.

[0042] Traditional cleaning methods rely primarily on manual cleaning. However, manual cleaning is not only time-consuming and labor-intensive, but also difficult to perform manually, as most distributed photovoltaic power plants are built on rooftops of factories or residences. Furthermore, manual cleaning is not applicable to large-scale photovoltaic power plants.

[0043] Therefore, the present application aims to remove the accumulated water from the photovoltaic modules by drainage, thereby preventing the ash layer from being left on the photovoltaic modules after the accumulated water evaporates. The present application will be further described below with reference to the accompanying drawings.

[0044] in, Figure 1 This is a schematic structural diagram of the accumulated water cleaning device provided in an embodiment of the present application. Figure 2 for Figure 1Front view of . Figure 3 for Figure 2 Schematic diagram of the structure when the water absorption part and the photovoltaic panel are connected by magnets. Figure 4 for Figure 2 Schematic diagram of the structure when the water absorption part and the photovoltaic panel are connected by a snap-on connection.

[0045] Combine Figure 1 and Figure 2 As shown, an embodiment of the present application provides a device for cleaning accumulated water, comprising a photovoltaic panel 100 , a fixing assembly 200 and a cleaning assembly 300 .

[0046] The cleaning assembly 300 is fixed on the photovoltaic panel 100 through the fixing assembly 200 . The cleaning assembly 300 is used to absorb the accumulated water on the photovoltaic panel 100 .

[0047] The cleaning assembly 300 absorbs the accumulated water on the photovoltaic panel 100 and simultaneously takes away the dust layer and other substances in the accumulated water, thereby preventing the accumulation of dust layer on the photovoltaic panel 100 .

[0048] The photovoltaic panel 100 comprises a semiconductor panel in the middle and an aluminum frame on the outside. The cleaning assembly 300 is connected to the aluminum frame via a fixing assembly 200. The cleaning assembly 300 is made of a hydrophilic material and relies on the capillary action or siphon effect of the hydrophilic material to quickly absorb accumulated water with a layer of dust, thereby achieving the effect of automatically cleaning accumulated water.

[0049] One end of the cleaning assembly 300 is located between the junction of the semiconductor board and the aluminum metal frame, ensuring that the cleaning assembly 300 is in maximum contact with the aluminum metal frame and avoiding affecting the working efficiency of the semiconductor board.

[0050] The fixing assembly 200 is located below the cleaning assembly 300 , and the cleaning assembly 300 is detachably fixed to the aluminum metal frame through the fixing assembly 200 , thereby realizing the replacement of the cleaning assembly 300 .

[0051] Since the photovoltaic panel 100 is usually tilted, the accumulated water is usually located at the bottom of the photovoltaic panel 100. Therefore, the cleaning assembly 300 is placed at the bottom of the tilted photovoltaic panel 100 to absorb the accumulated water. The cleaning assembly can achieve the removal effect by absorbing the accumulated water, or it can achieve the cleaning of the accumulated water by drainage.

[0052] In the embodiment of the present application, the cleaning assembly 300 includes a water absorption portion 310 and a drainage portion 320 .

[0053] The water absorption part 310 is set at the edge of the photovoltaic panel 100 through the fixing component 200, and the drainage part 320 is connected to the water absorption part 310. The drainage part 320 is located below the water absorption part 310 and is used to move the accumulated water absorbed by the water absorption part 310 to the outside of the photovoltaic panel 100.

[0054] The bottom of the water absorption part 310 abuts against the top of the aluminum alloy frame. The water absorption part 310 absorbs the accumulated water and then moves it to the outside of the frame through the drainage part 320. The dust layer and other impurities in the accumulated water are retained in the water absorption part 310 or the drainage part 320. The dust layer can be cleaned later by replacing the cleaning component 300.

[0055] The height of the drainage portion 320 is greater than the thickness of the photovoltaic panel 100, so that the accumulated water drips onto the ground along the drainage portion 320. The drainage portion 320 is perpendicular to the ground to achieve a better drainage effect.

[0056] In the embodiment of the present application, the drainage portion 320 includes at least two drainage columns, and the drainage columns are arranged at intervals on the side of the water absorption portion 310.

[0057] like Figure 1 As shown, the drainage part 320 uses five drainage columns, the top of the drainage column is connected to the water absorption part 310, and the accumulated water is diverted through the five drainage columns, which saves materials and discharges the accumulated water. The diverted accumulated water can reduce the force between the accumulated water, thereby draining the accumulated water faster.

[0058] Each drainage column has a width of 10-20 cm and a height of 50-60 cm.

[0059] In an embodiment of the present application, the fixing assembly 200 includes a first fixing portion 210 and a second fixing portion 220. The first fixing portion 210 is arranged on the photovoltaic panel 100, and the second fixing portion 220 is arranged on the water absorption portion 310. The water absorption portion 310 is fixed to the second fixing portion 220 on the photovoltaic panel 100 through the first fixing portion 210.

[0060] The first fixing portion 210 is disposed on the top of the photovoltaic panel 100 and is fixedly connected to the photovoltaic panel 100, and the second fixing portion 220 is disposed on the bottom of the water absorbing portion 310 and is fixedly connected to the water absorbing portion 310. The first fixing portion 210 and the second fixing portion 220 are detachably connected to each other, so that the water absorbing portion 310 can be removed from the photovoltaic panel 100 and replaced.

[0061] To prevent the first fixing portion 210 from affecting the contact between the water absorbing portion 310 and the photovoltaic panel 100 , the first fixing portion 210 is embedded in the photovoltaic panel 100 , and the top of the first fixing portion 210 is parallel to the upper surface of the photovoltaic panel 100 .

[0062] like Figure 3 As shown, in the embodiment of the present application, the first fixing portion 210 is a magnet, and the second fixing portion 220 is a magnet or an iron sheet. Through the adsorption effect of the magnets, the water absorbing portion 310 is detachably mounted on the photovoltaic panel 100, making it easy to replace the water absorbing portion 310.

[0063] The magnet of the first fixing portion 210 is embedded in the bottom of the water absorbing portion 310, and the bottom of the magnet is parallel to the lower surface of the water absorbing portion 310. In order to better fix it, a group of magnets can be set at both ends and the middle of the water absorbing portion 310 respectively.

[0064] like Figure 4 As shown, in the embodiment of the present application, the first fixing portion 210 includes a first clamping block 211 and a second clamping block 212, and the second fixing portion 220 includes a fixing rod 221. The first clamping block 211 and the second clamping block 212 are arranged opposite to each other, and the fixing rod 221 is clamped between the first clamping block 211 and the second clamping block 212.

[0065] Among them, a limiting groove is set in the water absorption part 310, and the fixing rod 221 is located in the limiting groove. When the fixing rod 221 is clamped between the first clamping block 211 and the second clamping block 212, the first clamping block 211 and the second clamping block 212 are both located in the limiting groove. At this time, one end of the water absorption part 310 is in contact with the photovoltaic panel 100.

[0066] Among them, an avoidance groove is set at the bottom of the limiting groove. When the fixing rod 221 is fixed, part of the fixing rod 221 is located in the avoidance groove, thereby reducing the height of the fixing rod 221 and making the water absorption part 310 better contact with the photovoltaic panel 100.

[0067] The interval between the first clamping block 211 and the second clamping block 212 is smaller than the diameter of the fixing rod 221 , so that the first clamping block 211 and the second clamping block 212 can clamp the fixing rod 221 .

[0068] In the embodiment of the present application, the first clamping block 211 and the second clamping block 212 are both arc-shaped blocks, so that the first clamping block 211 and the second clamping block 212 can better fit the fixing rod 221 , thereby strengthening the connection between the photovoltaic panel 100 and the water absorption part 310 .

[0069] In the embodiment of the present application, a storage bin 400 is further included. The storage bin 400 is disposed on the drainage portion 320 . The storage bin 400 is located below the photovoltaic panel 100 . The storage bin 400 is used to store the electrical wires of the photovoltaic panel 100 .

[0070] The left and right ends of the storage bin 400 are connected, and the rear end of the storage bin 400 is connected to the drainage portion 320. The distance between the rear end of the storage bin 400 and the water absorption portion 310 is equal to the thickness of the photovoltaic panel 100. When the water absorption portion 310 is fixed to the photovoltaic panel 100, the top of the storage bin 400 just touches the top of the photovoltaic panel 100, preventing water accumulated in the drainage portion 320 from flowing into the storage bin 400.

[0071] The front end of the storage bin 400 is provided with an opening, and the wires are inserted through the opening, integrating the wires of the photovoltaic module into the storage bin 400. On the one hand, it effectively solves the hidden dangers caused by the frequent shedding of the wires of the photovoltaic module, and on the other hand, it further reduces the construction cost and operation and maintenance cost of the wires.

[0072] In the embodiment of the present application, the width of the water absorption portion 310 is equal to the width of the photovoltaic panel 100 .

[0073] The water absorbing portion 310 is mounted on the lower frame of the photovoltaic panel 100. By fully covering the frame, the contact area between the water absorbing portion 310 and the frame is increased, improving drainage efficiency. The water absorbing portion 310 is designed to match the height of the photovoltaic panel 100's aluminum frame, ensuring that it can be securely mounted on the aluminum frame without adding any additional components.

[0074] In the embodiment of the present application, the water absorption part 310 adopts a PVC drainage board, and the drainage part 320 adopts a PVC drainage board.

[0075] Among them, the PVC drainage board is a PVC capillary drainage board. PVC capillary drainage board is made of PVC high-density polymer material with good toughness. Through the design of dense grooves, the accumulated water is sucked up from the bottom into the capillary water pipe. And the surface tension can be used to seal the accumulated water in the groove to prevent back leakage.

[0076] When the cleaning device provided in the embodiment of the present application is in operation, the water absorption part 310 is first fixed to the photovoltaic panel 100 via a buckle or magnet, and then the wires are placed in the storage compartment 400. After a rain, the accumulated water on the photovoltaic panel 100 enters the water absorption part 310 under the capillary action of the water absorption part 310 and drips onto the ground along the drainage part 320, thereby clearing the accumulated water. The dust layer will remain in the water absorption part 310 or the drainage part 320. Later, only the water absorption part 310 and the drainage part 320 need to be replaced to clean the dust layer. This prevents the accumulation of dust on the photovoltaic panel 100, thereby improving photovoltaic efficiency.

[0077] In a second aspect, an embodiment of the present application further provides a photovoltaic assembly, comprising a photovoltaic panel and the above-described accumulated water cleaning device disposed on the photovoltaic panel.

[0078] An embodiment of the present application provides a device for cleaning accumulated water, comprising a fixing assembly and a cleaning assembly. The cleaning assembly is fixed to a photovoltaic panel via the fixing assembly and is used to absorb accumulated water from the panel. The cleaning assembly removes the accumulated water from the panel and simultaneously removes any ash and other substances dissolved in the accumulated water, thereby preventing accumulation of ash on the panel.

[0079] Moreover, the cleaning assembly of the present application is not limited by the installation angle and is applicable to various installation environments, including horizontal or nearly horizontal installation modes. After the cleaning assembly has worked for a period of time, only the cleaning assembly needs to be replaced, which is convenient and easy to operate.

[0080] So far, the technical solution of the present application has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the scope of protection of the present application is obviously not limited to these specific embodiments. The above embodiments are only used to illustrate the technical solution of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some or all of the technical features therein. However, these modifications or replacements do not cause the essence of the corresponding technical solution to deviate from the scope of the technical solutions of the embodiments of the present application.

[0081] Generally speaking, terms should be understood, at least in part, based on the context in which they are used. For example, as used herein, the term "one or more" can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense, depending at least in part on the context. Similarly, terms such as "one" or "a number of" can also be understood to convey either singular or plural usage, depending at least in part on the context.

[0082] It should be readily understood that “on,” “above,” and “over” in this disclosure should be interpreted in the broadest manner, such that “on” means not only “directly on something,” but also includes “on something” with intervening features or layers therebetween, and “above” or “over” includes not only the meaning of “above” or “over,” but also includes “above” or “over” with no intervening features or layers therebetween (i.e., directly on something).

Claims

1. A device for cleaning accumulated water, characterized in that: It comprises a fixing assembly (200) and a cleaning assembly (300), wherein the cleaning assembly (300) comprises a water absorbing portion (310) and a drainage portion (320); The water absorption part (310) is arranged at the edge of the photovoltaic panel (100) through the fixing assembly (200), and the drainage part (320) is connected to the water absorption part (310). The drainage part (320) is located below the water absorption part (310). The drainage part (320) is used to move the accumulated water absorbed by the water absorption part (310) to the outside of the photovoltaic panel (100).

2. The device for cleaning accumulated water according to claim 1, characterized in that: The drainage portion (320) includes at least two drainage columns, and the drainage columns are arranged at intervals on the water absorption portion (310).

3. The device for cleaning accumulated water according to claim 1, characterized in that: The fixing assembly (200) comprises a first fixing portion (210) and a second fixing portion (220), wherein the first fixing portion (210) is arranged on the photovoltaic panel (100), and the second fixing portion (220) is arranged on the water absorption portion (310), and the first fixing portion (210) and the second fixing portion (220) are connected to fix the water absorption portion (310) on the photovoltaic panel (100).

4. The device for cleaning accumulated water according to claim 3, characterized in that: The first fixing part (210) is a magnet, and the second fixing part (220) is a magnet or an iron sheet.

5. The device for cleaning accumulated water according to claim 3, characterized in that: The first fixing portion (210) includes a first clamping block (211) and a second clamping block (212), and the second fixing portion (220) includes a fixing rod (221); The first clamping block (211) and the second clamping block (212) are arranged opposite to each other, and the fixing rod (221) is clamped between the first clamping block (211) and the second clamping block (212).

6. The device for cleaning accumulated water according to claim 5, characterized in that: The first clamping block (211) and the second clamping block (212) are both arc-shaped blocks.

7. The device for cleaning accumulated water according to claim 1, characterized in that: It also includes a storage bin (400), which is arranged on the drainage portion (320), and is located below the photovoltaic panel (100). The storage bin (400) is used to store the electrical wires of the photovoltaic panel (100).

8. The device for cleaning accumulated water according to any one of claims 1 to 7, characterized in that: The width of the water absorption portion (310) is equal to the width of the photovoltaic panel (100).

9. The device for cleaning accumulated water according to any one of claims 1 to 7, characterized in that: The water absorption portion (310) adopts a PVC drainage board, and the drainage portion (320) adopts a PVC drainage board.

10. A photovoltaic module, characterized in that: The invention comprises a photovoltaic panel (100) and a device for cleaning accumulated water according to any one of claims 1 to 9, which is arranged on the photovoltaic panel (100).

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