CN223488177U - Photovoltaic board cleaning mechanism - Google Patents

Abstract

The application provides a photovoltaic panel cleaning mechanism, and belongs to the technical field of photovoltaic cleaning. The photovoltaic panel cleaning mechanism comprises a cleaning mechanism body, wherein the cleaning mechanism body comprises a spray-washing roller, the spray-washing roller comprises a hollow roller, a water spraying hole and a spiral flexible fin, the water spraying hole is formed in the hollow roller so as to enable cleaning liquid in the hollow roller to flow out through the water spraying hole, the spiral flexible fin is spirally wound on the outer wall surface of the hollow roller along the axis direction, and the cleaning liquid deformed and attached to the photovoltaic panel when the spray-washing roller rotates to clean the photovoltaic panel is enabled to be guided to at least one side of the photovoltaic panel along the axis direction. The spiral flexible fin can increase friction force, better remove stains on the surface of the photovoltaic panel, prevent and treat the surface of the photovoltaic panel from being scratched, and simultaneously spray water and the spiral flexible fin are matched for use, so that a better cleaning effect can be achieved by using less water, thereby saving water sources and being suitable for installation environments especially with water shortage.

Description

Photovoltaic board cleaning mechanism

Technical Field

The application relates to the technical field of photovoltaic cleaning, in particular to a photovoltaic panel cleaning mechanism.

Background

The most important component of a solar power generation system is a solar panel, which is a device that can directly convert radiant energy of the sun into electric energy. In order to convert the radiant energy of the sun to the greatest extent, solar panels are usually installed in open areas with long sunlight, sufficient illumination and no shielding. The research finds that the solar energy power plant has sufficient sunshine time and vast land in the western part of China and is very suitable for large-scale construction of solar energy power plants.

The solar panel needs to be directly installed outdoors, and long-term use inevitably leads to the surface of the solar panel being covered with sand dust. Because the weather is dry and lacks water, vegetation coverage area is few, and windy and sandy weather is more to lead to covering a large amount of dust on solar photovoltaic board surface more easily, seriously influences solar photovoltaic board and carries out electric energy conversion's efficiency, prior art (like CN 111451237B) generally wash through the water spray cooperation brush simultaneously, but whole process needs extravagant a large amount of water, and the brush is great to photovoltaic board damage.

Disclosure of utility model

The application aims to provide a water-saving cleaning technology for a photovoltaic panel, which is used for enabling the solar panel (photovoltaic panel) to be suitable for a water-deficient installation environment and ensuring the electric energy conversion efficiency.

In order to solve the technical problems, the embodiment of the application provides a photovoltaic panel cleaning mechanism which comprises a cleaning mechanism and a cleaning mechanism, wherein the cleaning mechanism comprises a spray roller, the spray roller comprises a hollow roller, a water spraying hole and a spiral flexible fin, the water spraying hole is formed in the hollow roller to enable cleaning liquid in the hollow roller to flow out through the water spraying hole, the spiral flexible fin is spirally wound on the outer wall surface of the hollow roller along the axis direction, and the cleaning mechanism is deformed and attached to the photovoltaic panel when the spray roller rotates to clean the photovoltaic panel so as to guide at least part of cleaning liquid flowing out from the water spraying hole to at least one side of the photovoltaic panel along the axis direction.

In some embodiments, the spiral flexible fin is spirally wound on the outer wall surface of the hollow roller, which is not provided with the water spraying holes, along the axial direction.

In some embodiments, the helically flexible fin is a helically flexible silicone fin.

In some embodiments, the hollow roller comprises a main body shaft section, end shaft sections and a water inlet shaft section, wherein the end shaft sections are respectively arranged at two ends of the main body shaft section, the water inlet shaft section is communicated with the main body shaft section to provide cleaning liquid, the water spraying hole is formed in the main body shaft section, and the outer diameter size of the main body shaft section is larger than that of the end shaft section.

In some embodiments, the cleaning device further comprises a driving mechanism for driving the cleaning mechanism to perform linear motion, wherein the spray roller is rotatably mounted on the driving mechanism.

In some embodiments, the driving mechanism comprises a servo motor, a driving wheel, a driven wheel, a synchronous belt, a sliding block and a guiding piece, wherein the driving wheel and the driven wheel are oppositely arranged along the axial direction of the vertical spraying roller, the synchronous belt is respectively in tensioning connection with the driving wheel and the driven wheel, the servo motor is in driving connection with the driving wheel, the sliding block is connected with the synchronous belt, at least one pair of guiding pieces are arranged on two sides of the photovoltaic panel in parallel, the sliding block is slidably arranged on one guiding piece, and the cleaning mechanism is arranged on the sliding block.

In some embodiments, the driving mechanism comprises a servo motor, a screw rod, a screw nut, a sliding block and guide pieces, wherein the screw rod is in threaded connection with the screw nut, the screw nut is arranged on the sliding block, the servo motor is in driving connection with the screw rod, at least one pair of guide pieces are arranged on two sides of the photovoltaic panel in parallel, the sliding block is arranged on one guide piece in a sliding mode, and the cleaning mechanism is arranged on the sliding block.

In some embodiments, the driving mechanism comprises a servo motor, a gear, a rack, a sliding block and a guide piece, wherein the gear is in meshed connection with the rack, the servo motor is in driving connection with the gear, the guide piece is arranged in parallel with the rack, the sliding block is slidably mounted on the guide piece, and the cleaning mechanism is mounted on the sliding block and the rack.

In some embodiments, the hollow roller is rotatably mounted to a slider or rack.

In some embodiments, the cleaning mechanism further comprises an air jet assembly for jetting air toward the photovoltaic panel.

In some embodiments, the jet assembly comprises a cavity, a jet hole and an air inlet pipe, wherein the jet hole is arranged in the cavity and communicated with the inner space of the cavity, and the air inlet pipe is communicated with the inner space of the cavity.

In some embodiments, the cleaning mechanism further comprises a housing covering a side of the spray roller remote from the photovoltaic panel, wherein a spray space is formed between the housing and the spray roller.

In some embodiments, the photovoltaic panel comprises a battery string, a photovoltaic panel, a photovoltaic backboard, a first bonding layer, a second bonding layer and a support frame, wherein the photovoltaic panel, the first bonding layer, the battery string, the second bonding layer and the photovoltaic backboard are sequentially overlapped to form a photovoltaic module, and the photovoltaic module is mounted on the support frame.

Through the technical scheme, the photovoltaic panel cleaning mechanism provided by the application has the following beneficial effects:

When the cleaning operation is carried out, the spiral flexible fins can increase friction force to better remove stains on the surface of the photovoltaic panel, prevent and treat the surface of the scraped photovoltaic panel from affecting photoelectric conversion efficiency, high-pressure water columns are sprayed out from the water spraying holes and move synchronously along with the spraying rollers, the high-pressure water columns and the spiral flexible fins are matched with each other, a better cleaning effect can be achieved, the spiral flexible fins can enable the scrubbed stains to flow to the ground along the side of the photovoltaic panel as much as possible along the spiral direction (namely the axis direction) by adopting a spiral structure, the sewage can be prevented from flowing to the ground along the surface of the photovoltaic panel to the greatest extent, the stain marks are avoided, the cleaning effect is improved, meanwhile, the water spraying and the spiral flexible fins are matched with each other, the better cleaning effect can be achieved by using less water, and therefore water sources are saved, and the cleaning device is suitable for the installation environment especially for water shortage.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a photovoltaic panel cleaning mechanism according to an embodiment of the present application;

FIG. 2 is a schematic view of a spray roller structure according to an embodiment of the present application;

FIG. 3 is a schematic view of a partial structure of a spray washing roller according to an embodiment of the present application;

FIG. 4 is a schematic view of a jet assembly according to an embodiment of the present application;

FIG. 5 is a schematic diagram of a driving mechanism according to an embodiment of the present application;

Fig. 6 is a schematic view of another structure of a photovoltaic panel cleaning mechanism according to an embodiment of the present application.

Reference numerals illustrate:

1. Cleaning mechanism, 11, spray cleaning roller, 111, hollow roller, 1111, main body shaft section, 1112, end shaft section, 1113, water inlet shaft section, 112, water spraying hole, 113, spiral flexible fin, 12, air spraying component, 121, cavity, 122, air spraying hole, 123, air inlet pipe, 13, housing, 131, arc plate, 132, end plate, 14, spray cleaning space, 2, driving mechanism, 21, servo motor, 22, driving wheel, 23, driven wheel, 24, synchronous belt, 25, sliding block, 26, guiding piece, 27, supporting column, 28, mounting plate, 3, photovoltaic plate, 4, supporting frame, 41, bottom supporting seat, 42, vertical supporting beam.

Detailed Description

Embodiments of the present application are described in further detail below with reference to the accompanying drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the application and are not intended to limit the scope of the application, which may be embodied in many different forms and not limited to the specific embodiments disclosed herein, but rather to include all technical solutions falling within the scope of the claims.

These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art. It should be noted that the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.

It should be noted that, in the description of the present application, unless otherwise indicated, the meaning of "a plurality" is greater than or equal to two, and the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. When the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.

Furthermore, the use of the terms first, second, and the like in the present application are not used for any order, quantity, or importance, but rather are used for distinguishing between different parts. The "vertical" is not strictly vertical but is within the allowable error range. "parallel" is not strictly parallel but is within the tolerance of the error. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements.

It should also be noted that, in the description of the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, or may be directly connected or indirectly connected via an intermediate medium. The specific meaning of the above terms in the present application can be understood as appropriate by those of ordinary skill in the art. When a particular device is described as being located between a first device and a second device, there may or may not be an intervening device between the particular device and either the first device or the second device.

All terms used herein have the same meaning as understood by one of ordinary skill in the art to which the present application pertains, unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification.

As shown in fig. 1 to 6, the embodiment of the application provides a photovoltaic panel cleaning mechanism, which comprises a cleaning mechanism 1, wherein the cleaning mechanism comprises a spray roller 11, the spray roller 11 comprises a hollow roller 111, a water spray hole 112 and a spiral flexible fin 113, wherein the water spray hole 112 is arranged on the hollow roller 111 so as to enable cleaning liquid in the hollow roller 111 to flow out through the water spray hole 112, the spiral flexible fin 113 is spirally wound on the outer wall surface of the hollow roller 111 along the axial direction, and the cleaning liquid which flows out from at least part of the water spray hole 112 is led to at least one side of the photovoltaic panel 3 along the axial direction when the spray roller 11 rotates to clean the photovoltaic panel 3.

In this embodiment, when the cleaning mechanism for a photovoltaic panel performs cleaning operation, the spiral flexible fins 113 deform to increase the contact area between the spiral flexible fins and the photovoltaic panel 3 (i.e. deform to attach to the photovoltaic panel 3), so that not only can the friction force be increased to better remove stains on the surface of the photovoltaic panel 3, but also the surface of the photovoltaic panel 3 can be prevented and treated, and the photoelectric conversion efficiency is affected; the high-pressure water column is sprayed from the water spraying holes 112 and moves synchronously along with the spraying roller 11, the high-pressure water column and the spiral flexible fins 113 are matched with each other, a better cleaning effect can be achieved, the spiral flexible fins 113 can enable the washed dirt to be mixed with sewage to flow to the ground along the side of the photovoltaic panel 3 as far as possible in the spiral direction (namely the axis direction, the left-right direction of the photovoltaic panel 3), the sewage is prevented from flowing to the ground along the surface of the photovoltaic panel 3 to the greatest extent, dirt marks are prevented from being produced on the surface of the photovoltaic panel 3 by the dirt marks, the cleaning effect is improved, the synchronous matching of the water spraying holes 112 and the spiral flexible fins 113 can achieve the better cleaning effect by using less water, and therefore water sources are saved, and the water-shortage cleaning device is suitable for especially the installation environment.

It should be noted that the present disclosure is also applicable to installation environments with little windy and sandy weather and/or rich water resources, and the present application is not limited to its own use environment. The spiral directions of the positions of the different spiral sections of the spiral flexible fin 113 can be the same or different, the mixed dirt of the washed dirt and the sewage can flow to one side or two sides of the photovoltaic panel 3 along the spiral direction (namely the axial direction) as far as possible, the pitches of the different spiral sections of the spiral flexible fin 113 or the sizes of the different spiral sections along the radial direction of the hollow roller 111 can be the same or different, and the application is not limited by practical requirements. The photovoltaic panel 3 may be a panel that has been assembled to be located on the outside of the module, a panel that has not been assembled to the module, or any other type of panel or support plate suitable for use in photovoltaic applications.

As shown in fig. 2 and 3, in some embodiments, the spirally flexible fins 113 are spirally wound in the axial direction on the outer wall surface of the hollow roller 111 where the water jet holes 112 are not provided. The water spraying holes 112 are arranged at the blank between the spiral flexible fins 113, so that the water sprayed by the water spraying holes is ensured to be restrained in the space formed by the hollow roller 111, the photovoltaic panel 3 and the spiral flexible fins 113 to flow along the spiral direction as much as possible, and not directly flow along the surface of the photovoltaic panel 3. Of course, in other embodiments, the spiral flexible fin 113 may be made hollow and provided with water spraying holes 112, and the water spraying holes are communicated with the interior of the hollow roller 111, so that the spiral flexible fin 113 can spray water to clean the photovoltaic panel 3, and it should be noted that, at this time, the water spraying holes 112 on the spiral flexible fin 113 are also arranged as close to one side of the hollow roller 111 as possible, so that the water spraying holes 112 are located in the space formed by the hollow roller 111, the photovoltaic panel 3 and the spiral flexible fin 113 together, so that the sprayed water can flow along the spiral direction as much as possible, but not directly along the surface of the photovoltaic panel 3, and the sprayed water can flow along the spiral direction as much as possible, and of course, part of the water spraying holes 112 can be arranged away from one side of the hollow roller 111, so that the water spraying holes 112 are not located in the space formed by the hollow roller 111, the photovoltaic panel 3 and the spiral flexible fin 113 together, so that the sprayed water can not easily flow along the spiral direction as much as possible, but can not easily leave stains due to the fact that the sprayed water spraying holes 11 wipe the surface of the photovoltaic panel 3, and the cleaning efficiency is good.

As shown in fig. 1-6, in some embodiments, the helically flexible fins 113 are helically flexible silicone fins. In the embodiment, the silica gel material is soft and low in cost, so that the use cost of the application is reduced. Of course, in other embodiments, the helically flexible fins 113 may also be helically flexible rubber fins.

As shown in fig. 1 to 6, in some embodiments, the hollow roller 111 includes a main body shaft section 1111, end shaft sections 1112, and a water inlet shaft section 1113, wherein the main body shaft section 1111 is provided at both ends thereof with the end shaft sections 1112, the water inlet shaft section 1113 communicates with the main body shaft section 1111 to supply cleaning liquid, a water spray hole 112 is provided at the main body shaft section 1111, and an outer diameter size of the main body shaft section 1111 is larger than an outer diameter size of the end shaft section 1112. The main shaft section 1111 can store more water, so that the whole hollow roller 111 can be fully filled with water to ensure cleaning effect, and the end shaft section 1112 is small to ensure mechanical strength and structural strength and service life of the roller. In practical applications, the end shaft section 1112 is rotatably mounted or driven by a rotary motor, the water inlet shaft section 1113 is mounted on the end shaft section 1112, the end shaft section 1112 mounted on the water inlet shaft section 1113 is hollow and is communicated with the main shaft section 1111, the end shaft section 1112 not mounted on the water inlet shaft section 1113 is plugged to seal the end of the main shaft section 1111, the water inlet shaft section 1113 can be mounted on two end shaft sections 1112 or one end shaft section 1112, the water inlet shaft section 1113, the end shaft section 1112 and the main shaft section 1111 are preferably coaxially arranged, the water inlet shaft section 1113 is rotatably and hermetically mounted on the end shaft section 1112, or the water inlet shaft section 1113 is communicated with a water supply assembly through a rotary joint. In practical applications, the water supply assembly may be integrated with the present application or may be provided separately from the present application but in communication with the water supply system.

As shown in fig. 1 to 6, in some embodiments, the cleaning device further comprises a driving mechanism 2 for driving the cleaning mechanism 1 to perform linear motion (up-down direction), wherein the spray roller 11 is rotatably mounted on the driving mechanism 2. In this embodiment, the driving mechanism 2 drives the cleaning mechanism 1 to move along the direction perpendicular to the axial direction of the hollow roller 111 so that the spray roller 11 sequentially cleans the surface of the photovoltaic panel 3, and also rotates during cleaning, so that the cleaned dirt is mixed with sewage to at least one side of the photovoltaic panel 3 through the spiral flexible fins 113. Of course, in practical application, the driving mechanism 2 can realize linear reciprocating motion of the cleaning mechanism 1, so that the cleaning operation can be performed for multiple times, and the cleaning effect is further improved.

1. As shown in fig. 1 to 6, in some embodiments, the driving mechanism 2 comprises a servo motor 21, a driving wheel 22, a driven wheel 23, a synchronous belt 24, a sliding block 25 and a guide piece 26, wherein the driving wheel 22 and the driven wheel 23 are oppositely arranged along the axial direction of the vertical spray roller 11, the synchronous belt 24 is respectively in tensioning connection with the driving wheel 22 and the driven wheel 23, the servo motor 21 is in driving connection with the driving wheel 22, the sliding block 25 is connected with the synchronous belt 24, at least one pair of guide pieces 26 are arranged on two sides of the photovoltaic panel 3 in parallel, the sliding block 25 is slidably arranged on one guide piece 26, and the cleaning mechanism 1 is arranged on the sliding block 25. Specifically, an end shaft section 1112 is rotatably mounted to a slider 25. The servo motor 21 can accurately control the moving distance and speed of the cleaning mechanism 1, and is matched with the synchronous belt 24 to convert the rotating motion of the servo motor into stable and controllable translational motion of the cleaning roller system, and can accurately move for a long distance.

As shown in fig. 1 to 6, in some embodiments, unlike the above embodiments, the driving mechanism 2 includes a servo motor 21, a screw, a nut, a slider 25, and a guide 26, wherein the screw and the nut are screwed, the nut is mounted on the slider 25, the servo motor 21 is in driving connection with the screw, at least one pair of guide 26 are disposed in parallel on both sides of the photovoltaic panel 3, a slider 25 is slidably mounted on one guide 26, and the cleaning mechanism 1 is mounted on the slider 25. The screw pair acts crisp and is stable and reliable in operation, and is suitable for accurate movement in a longer distance.

As shown in fig. 1 to 6, in some embodiments, unlike the above-described embodiments, the driving mechanism 2 includes a servo motor 21, a gear, a rack, a slider 25, and a guide 26, wherein the gear and the rack are engaged, the servo motor 21 is in driving connection with the gear, the guide 26 is disposed in parallel with the rack, the slider 25 is slidably mounted on the guide 26, and the cleaning mechanism 1 is mounted on the slider 25 and the rack.

As shown in fig. 1-6, in some embodiments, the hollow roller 111 is rotatably mounted to the slider 25 or rack. In practical application, the synchronous belt 24 drives the slide block 25 provided with the hollow roller 111 to move up and down under the rotation of the driving wheel 22 and the driven wheel 23 or the rotation of the screw under the rotation of the screw rod, so as to realize the up and down cleaning operation of the cleaning mechanism 1 on the surface of the photovoltaic surface 3. The rack can reciprocate up and down under the rotation of the gear, but the space is larger.

As shown in fig. 1-6, in some embodiments, the cleaning mechanism 1 further includes a jet assembly 12 for jetting air toward the photovoltaic panel 3. In this embodiment, the air injection assembly 12 may be installed in parallel in front of the spray roller 11, when cleaning, the high pressure air is used to blow the floating dust on the surface of the photovoltaic panel 3, the spray roller 11 is used to clean the surface after removing the floating and sand, and the air is used to clean the surface of the photovoltaic panel 3 by pre-cleaning the sand and floating and then performing water and friction cleaning, so as to reduce the cleaning difficulty and avoid the surface sand of the photovoltaic panel 3 from scratching the surface of the photovoltaic panel 3 when cleaning the surface by the spray roller 11, thereby affecting the photoelectric conversion efficiency. It is worth noting that the air supply assembly may be integrated in the present application or may be separate from the present application but in communication through the air supply pipe.

As shown in fig. 1 to 6, in some embodiments, the air injection assembly 12 includes a cavity 121, an air injection hole 122, and an air intake pipe 123, wherein the air injection hole 122 is provided in the cavity 121 and communicates with an inner space of the cavity 121, and the air intake pipe 123 communicates with the inner space of the cavity 121. In this embodiment, the high-pressure gas is ejected through the gas inlet pipe 123 and then through the gas ejection holes 122 to purge the surface of the photovoltaic panel 3. The gas injection holes 122 are preferably in a horn-like configuration. The plurality of air injection holes 122 are arranged in at least one row along the left-right direction, and the sweeping coverage surface linearly covers the surface of the photovoltaic panel 3 along the left-right direction so as to ensure the cleaning effect.

As shown in fig. 1 to 6, in some embodiments, the cleaning mechanism 1 further comprises a housing 13 covering the side of the spray roller 11 remote from the photovoltaic panel 3, wherein a spray space 14 is formed between the housing 13 and the spray roller 11. In this embodiment, the cover 13 has two functions, namely, first, to prevent the high-pressure water column from splashing around during cleaning operation, and second, to protect the spray roller 11 and safety protection.

As shown in fig. 1 to 6, in some embodiments, the housing 13 includes an arc plate 131 and end plates 132 provided at opposite ends of the arc plate 131 in the axial direction, and the housing 13 is mounted to the slider 25 or the rack bar through the end plates 132. Preferably, the air jetting assembly 12 is installed at the outer side surface of the arc plate 131 and located at the side (at least one side in the up-down direction) of the spray roller 111. In other embodiments, the arc plate 131 may be attached to or away from the photovoltaic panel 3, and when the arc plate 131 is attached to the photovoltaic panel 3, the arc plate 131 may be a silica gel plate or a rubber plate, or a flexible pad is disposed at a contact position of the arc plate 131 and the photovoltaic panel 3.

As shown in fig. 1 to 6, in some embodiments, the photovoltaic panel 3 includes a cell string, a photovoltaic panel, a photovoltaic back plate, a first adhesive layer, a second adhesive layer, and a support frame 4, where the photovoltaic panel, the first adhesive layer, the cell string, the second adhesive layer, and the photovoltaic back plate are sequentially stacked to form a photovoltaic module, and the photovoltaic module is mounted on the support frame 4. In this embodiment, the photovoltaic panel is a solar-facing panel, and the cleaning mechanism 1 cleans the photovoltaic panel to ensure its cleanliness to ensure battery efficiency, and the driving mechanism 2 can be mounted on the support frame 4. Of course, if the photovoltaic panel 3 is a frameless assembly, the drive mechanism 2 may be mounted beside the photovoltaic panel 3.

As shown in fig. 1-6, in some embodiments, the photovoltaic panels 3 may be mounted parallel, angled, or rotatably on a support surface. Further, the support frame 4 comprises a bottom support seat 41, a vertical support beam 42, a support column 27 and a mounting plate 28, wherein the bottom support seat 41 is supported on a support surface, one end of the vertical support beam 42 is supported on the bottom support seat 41, the other end of the vertical support beam 42 is supported on the mounting plate 28, the support column 27 is mounted on the mounting plate 28 for mounting the guide member 26, and the photovoltaic panel 3 is mounted on the mounting plate 28. When the dimension of the spiral flexible fin 113 in the left-right direction is larger than the width dimension of the photovoltaic panel 3, the sewage guided out therefrom will flow directly to the outside of the photovoltaic panel 3. When the two ends of the spiral flexible fins 113 along the left-right direction are just above the mounting plate 28, the mounting plate 28 is preferably provided with a diversion trench for guiding the sewage led out by the spiral flexible fins 113 to the supporting surface, so that the sewage is prevented from spreading on the surface of the mounting plate 28 and flowing to the surface of the photovoltaic panel 3 to pollute the surface, and the cleaning effect is ensured. It should be noted that the mounting plate 28 may be a frame of the photovoltaic panel 3 or mounted on the frame, or may be a support member for mounting the driving mechanism 2 provided on one side of the frameless photovoltaic panel 3.

Thus, various embodiments of the present application have been described in detail. In order to avoid obscuring the concepts of the application, some details known in the art have not been described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.

While certain specific embodiments of the application have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the application. It will be understood by those skilled in the art that the foregoing embodiments may be modified and equivalents substituted for elements thereof without departing from the scope and spirit of the application. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict.

Claims (10)

1. A photovoltaic panel cleaning mechanism, comprising:

A cleaning mechanism (1) comprising a spray roller (11), wherein the spray roller (11) comprises a hollow roller (111), a water spray hole (112) and a spiral flexible fin (113);

The spiral flexible fins (113) are spirally wound on the outer wall surface of the hollow roller (111) along the axial direction, so that the photovoltaic plate (3) is deformed and attached when the spray roller (11) rotates to clean the photovoltaic plate (3) to guide at least part of cleaning liquid flowing out of the water spraying holes (112) to at least one side of the photovoltaic plate (3) along the axial direction of the photovoltaic plate.

2. The photovoltaic panel cleaning mechanism of claim 1, wherein:

The spiral flexible fin (113) is spirally wound on the outer wall surface of the hollow roller (111) where the water spraying hole (112) is not provided along the axial direction, and/or,

The spiral flexible fins (113) are spiral flexible silica gel fins.

3. The photovoltaic panel cleaning mechanism according to claim 1, characterized in that the hollow roller (111) comprises:

a main body shaft section (1111), an end shaft section (1112) and a water inlet shaft section (1113);

The two ends of the main body shaft section (1111) are respectively provided with the end shaft sections (1112), the water inlet shaft section (1113) is communicated with the main body shaft section (1111) to provide cleaning liquid, the water spraying holes (112) are formed in the main body shaft section (1111), and the outer diameter of the main body shaft section (1111) is larger than that of the end shaft section (1112).

4. The photovoltaic panel cleaning mechanism of claim 1, further comprising:

And the driving mechanism (2) is used for driving the cleaning mechanism (1) to perform linear motion, wherein the spray roller (11) is rotatably arranged on the driving mechanism (2).

5. The photovoltaic panel cleaning mechanism according to claim 4, characterized in that the driving mechanism (2) comprises:

The cleaning device comprises a servo motor (21), a driving wheel (22), a driven wheel (23), a synchronous belt (24), a sliding block (25) and a guide piece (26), wherein the driving wheel (22) and the driven wheel (23) are oppositely arranged along the direction vertical to the axis of the spraying roller (11), the synchronous belt (24) is respectively in tensioning connection with the driving wheel (22) and the driven wheel (23), the servo motor (21) is in driving connection with the driving wheel (22), the sliding block (25) is connected with the synchronous belt (24), at least one pair of the guide pieces (26) are arranged on two sides of the photovoltaic panel (3) in parallel, one sliding block (25) is slidably arranged on one guide piece (26), and the cleaning mechanism (1) is arranged on the sliding block (25), or,

The cleaning device comprises a servo motor (21), a screw rod, a screw nut, a sliding block (25) and guide pieces (26), wherein the screw rod is in threaded connection with the screw nut, the screw nut is arranged on the sliding block (25), the servo motor (21) is in driving connection with the screw rod, at least one pair of the guide pieces (26) are arranged on two sides of the photovoltaic panel (3) in parallel, one sliding block (25) is slidably arranged on one guide piece (26), the cleaning mechanism (1) is arranged on the sliding block (25), or,

The cleaning mechanism comprises a servo motor (21), a gear, a rack, a sliding block (25) and a guide piece (26), wherein the gear is in meshed connection with the rack, the servo motor (21) is in driving connection with the gear, the guide piece (26) is arranged in parallel with the rack, the sliding block (25) is slidably mounted on the guide piece (26), and the cleaning mechanism (1) is mounted on the sliding block (25) and the rack.

6. The photovoltaic panel cleaning mechanism of claim 5, wherein:

The hollow roller (111) is rotatably mounted on the slider (25) or the rack.

7. The photovoltaic panel cleaning mechanism according to claim 1, characterized in that the cleaning mechanism (1) further comprises:

and a jet assembly (12) for jetting air towards the photovoltaic panel (3).

8. The photovoltaic panel cleaning mechanism according to claim 7, characterized in that the jet assembly (12) comprises:

The device comprises a cavity (121), an air jet hole (122) and an air inlet pipe (123);

The air injection hole (122) is arranged in the cavity (121) and is communicated with the inner space of the cavity (121), and the air inlet pipe (123) is communicated with the inner space of the cavity (121).

9. The photovoltaic panel cleaning mechanism according to any one of claims 1-8, characterized in that the cleaning mechanism (1) further comprises:

a cover shell (13) which covers one side of the spray washing roller (11) far away from the photovoltaic panel (3);

Wherein a spray space (14) is formed between the housing (13) and the spray roller (11).

10. The photovoltaic panel cleaning mechanism according to claim 9, characterized in that the photovoltaic panel (3) comprises:

The photovoltaic module comprises a battery string, a photovoltaic panel, a photovoltaic backboard, a first bonding layer, a second bonding layer and a supporting frame (4);

The photovoltaic panel, the first bonding layer, the battery string, the second bonding layer and the photovoltaic backboard are sequentially stacked to form a photovoltaic module, and the photovoltaic module is installed on the supporting frame (4).