阅读说明：本技术 一种驱鸟除鸟粪光伏板 (Bird repelling and excrement removing photovoltaic panel ) 是由 刘涛 王喜洋 刘浩 于 2021-01-14 设计创作，主要内容包括：本发明提供一种驱鸟除鸟粪光伏板,涉及太阳能光伏技术领域。该一种驱鸟除鸟粪光伏板,包括支架,光伏板,固定盒,驱鸟机构,除粪机构,支架顶端设有光伏板,支架顶端与光伏板底端固定连接,光伏板右端上设有固定盒,固定盒与光伏板右端固定连接,固定盒内设有驱鸟机构,通过驱鸟机构对落在光伏板上休息的鸟类进行驱赶,从而防止鸟类落在光伏板上休息影响光伏板正常的工作效率,驱鸟机构与固定盒内壁固定连接,光伏板上设有除粪机构,通过除粪机构对光伏板上的鸟粪进行清理,除粪机构与光伏板两侧固定连接,本发明提供了一种驱鸟除鸟粪光伏板,解决了鸟类在光伏板上休息以及在光伏板上留下的鸟粪影响光伏板正常工作的问题。(The invention provides a photovoltaic panel for repelling birds and removing bird droppings, and relates to the technical field of solar photovoltaics. The bird repelling and dung removing photovoltaic panel comprises a support, a photovoltaic panel, a fixing box, a bird repelling mechanism and a dung removing mechanism, wherein the photovoltaic panel is arranged at the top end of the support, the top end of the support is fixedly connected with the bottom end of the photovoltaic panel, the right end of the photovoltaic panel is provided with the fixing box, the fixing box is fixedly connected with the right end of the photovoltaic panel, the bird repelling mechanism is arranged in the fixing box, birds resting on the photovoltaic panel are repelled through the bird repelling mechanism, thereby preventing birds from falling on the photovoltaic panel to rest and influencing the normal working efficiency of the photovoltaic panel, the bird repelling mechanism is fixedly connected with the inner wall of the fixed box, the photovoltaic panel is provided with a feces removing mechanism, the bird dung on the photovoltaic panel is cleaned through the dung removing mechanism, and the dung removing mechanism is fixedly connected with the two sides of the photovoltaic panel.)

1. The utility model provides a drive bird and remove bird excrement photovoltaic board, includes support (1), photovoltaic board (2), and fixed box (3) drive bird mechanism (4), remove excrement mechanism (5), its characterized in that: support (1) top is equipped with photovoltaic board (2), support (1) top and photovoltaic board (2) bottom fixed connection, be equipped with on photovoltaic board (2) right-hand member fixed box (3), fixed box (3) and photovoltaic board (2) right-hand member fixed connection are equipped with in fixed box (3) and drive bird mechanism (4), drive bird mechanism (4) and fixed box (3) inner wall fixed connection, be equipped with on photovoltaic board (2) and remove excrement mechanism (5), remove excrement mechanism (5) and photovoltaic board (2) both sides fixed connection.

2. The bird repelling and dung removing photovoltaic panel of claim 1, which is characterized in that: round holes are formed in the left side and the right side of the fixed box (3), the two sides of the bird repelling mechanism (4) penetrate through the round holes to be rotatably connected with the fixed box (3) and the top end of the fixed box (3) and uniformly provided with second round holes, and the top end of the bird repelling mechanism (4) penetrates through the second round holes to be slidably connected with the fixed box (3).

3. The bird repelling and dung removing photovoltaic panel of claim 1, which is characterized in that: the bird repelling device is characterized in that the bird repelling mechanism (4) is connected with arc-shaped rods (401) of round holes in the top ends of fixed boxes (3) in a sliding mode, falling rods (402) are fixedly connected between the arc-shaped rods (401), the bottom ends of the arc-shaped rods (401) penetrate through the round holes and are arranged in the fixed boxes (3), springs (403) are fixedly connected to the bottom ends of the arc-shaped rods (401), supporting plates (404) are fixedly connected to the bottom ends of the springs (403), connecting rods (405) are fixedly connected between the bottom ends of the arc-shaped rods (401), clamping plates (406) are fixedly connected to the positions, close to the right side, of the connecting rods, of the U-shaped electromagnets (407) are arranged; a cutting ring (408) is arranged in the middle of a U part in a U-shaped electromagnet below a connecting rod (405), two ends of the cutting ring (408) are fixedly connected with a rotating rod (409), the rotating rod (409) positioned at the right end of the rotating rod (409) penetrates through a round hole to be rotatably connected with the round hole, the rotating rod (409) positioned at the left end of the rotating rod (409) penetrates through a round hole to be fixedly connected with a rotating fan blade (410), a bar-shaped electromagnet (411) is arranged below the U-shaped electromagnet (407), supporting springs (412) are fixedly connected with two sides of the bottom end of the bar-shaped electromagnet (411), the bottom end of each supporting spring (412) is fixedly connected with a supporting rod (413), a bar-shaped baffle plate (414) is fixedly connected in the middle of the bar-shaped electromagnet, a capacitor (415) is arranged below the supporting rod (413), a lead (416) is fixedly connected, the rotating fan blade (410) is arranged in the air inlet box (417), and the bottom end of the capacitor (415) is fixedly connected with the bottom end of the fixed box (3).

4. A bird repelling and dung removing photovoltaic panel according to claim 3, which is characterized in that: cardboard (406) bottom end edge and bar separation blade (414) top edge are the fillet, it narrows down to the right end from the left end gradually to admit air box (417) inner wall, every two of arc pole (401) are a set of, fixedly connected with falls pole (402) between every group arc pole (401), every two of U type electro-magnet (407) are a set of, Liu has certain space between every group, bar separation blade (414) are partial to the clearance left side between every group U type electro-magnet (407), electric energy through photovoltaic board (2) production charges electric capacity (415), connect through the conductor wire between dwang (409) and the descending pole (402).

5. The bird repelling and dung removing photovoltaic panel of claim 1, which is characterized in that: the dung removing mechanism (5) comprises a convex point sliding plate (501) fixedly connected with the left side of the photovoltaic plate (2) and a groove sliding plate (502) fixedly connected with the right side of the photovoltaic plate (2), a connecting strip (503) is arranged between the convex point sliding plate (501) and the groove sliding plate (502), the left side of the connecting strip (503) is fixedly connected with a limiting spring (504), the left side of the limiting spring (504) is fixedly connected with a sliding box (505), the left side of the limiting spring (504) is fixedly connected with the inside of the sliding box (505), the top end of the connecting strip (503) is slidably connected with a driving motor (506) close to the left side and the right side, the output end of the driving motor (506) is fixedly connected with a rotating tooth (507), the bottom end of the connecting strip (503) is fixedly connected with a sliding plate (508), the bottom end of the sliding plate is slidably connected, the right side of the return spring (510) is fixedly connected with a second cleaning block (511).

6. A bird repelling and dung removing photovoltaic panel according to claim 5, characterized in that: the photovoltaic cell cleaning device is characterized in that tooth grooves are fixedly connected to the top ends of the groove sliding plate (502) and the salient point sliding plate (501), arc-shaped convex blocks are uniformly and fixedly connected to one side, close to the photovoltaic panel (2), of the salient point sliding plate (501), sliding grooves are formed in one side, close to the photovoltaic panel (2), of the groove sliding plate (502), the left side of the connecting strip (503) is arranged in the sliding box (505) and is in sliding connection with the sliding box (505), rotating teeth (507) are meshed with the tooth grooves, the bottom ends of the cleaning blocks (509) and the second cleaning blocks (511) are inverted flat-top four-side cones, the connecting parts of the second cleaning blocks (511) and the adjacent cleaning blocks (509) are located on the same straight line, magnetic poles between the U-shaped electromagnets (407) and the strip-shaped electromagnets (411) are the same, the right sides of the connecting strips (503) are arc-shaped, electromagnets are.

Technical Field

The invention relates to the technical field of solar photovoltaics, in particular to a photovoltaic panel for repelling birds and removing bird droppings.

Background

The photovoltaic power generation is a technology for directly converting light energy into electric energy by utilizing a photovoltaic effect of a semiconductor interface, mainly comprises three parts, namely a solar panel, a controller and an inverter, and mainly comprises electronic components.

Birds can fall on photovoltaic board edge all around after the flight and have a rest, thereby can shelter from the normal work efficiency who influences the photovoltaic board to the sunshine that shines on the photovoltaic board when birds gathering is too much around the photovoltaic board to and can leave a large amount of birds droppings on the photovoltaic board when birds fly away from the photovoltaic board, thereby birds droppings can cause the corruption to the photovoltaic board and to shelter from the sunshine that shines on the photovoltaic board and influence the normal work of photovoltaic board to piling up for a long time on the photovoltaic board.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a bird repelling and excrement removing photovoltaic panel, which solves the problems that birds rest on the photovoltaic panel and bird excrement left on the photovoltaic panel influences the normal work of the photovoltaic panel.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a drive bird excrement removal photovoltaic board, includes the support, the photovoltaic board, fixed box drives bird mechanism, removes excrement mechanism, and the support top is equipped with the photovoltaic board, and support top and photovoltaic board bottom end fixed connection are equipped with fixed box on the photovoltaic board right-hand member, and fixed box and photovoltaic board right-hand member fixed connection are equipped with in the fixed box and drive bird mechanism, drive bird mechanism and fixed box inner wall fixed connection, are equipped with on the photovoltaic board and remove excrement mechanism, remove excrement mechanism and photovoltaic board both sides fixed connection.

Preferably, round holes are formed in the left side and the right side of the fixed box, the two sides of the bird repelling mechanism penetrate through the round holes to be rotatably connected with the fixed box, the top end of the fixed box is uniformly connected with second round holes, and the top end of the bird repelling mechanism penetrates through the second round holes to be slidably connected with the fixed box.

Preferably, the bird repelling mechanism is connected with arc-shaped rods in a sliding manner through round holes in the top ends of the fixed boxes, the falling rods are fixedly connected between the arc-shaped rods, the bottom ends of the arc-shaped rods penetrate through the round holes and are arranged in the fixed boxes, springs are fixedly connected to the bottom ends of the arc-shaped rods, supporting plates are fixedly connected to the bottom ends of the springs, connecting rods are fixedly connected between the bottom ends of the arc-shaped rods, clamping plates are fixedly connected to the connecting rods close to the right sides, U-shaped electromagnets are arranged on two sides of the bottom; connecting rod below U type electro-magnet middle part U is equipped with the cutting ring, cutting ring both ends fixedly connected with dwang, the dwang that is located the dwang right-hand member passes the round hole and rotates with the round hole to be connected, the dwang that is located the dwang left end passes round hole fixedly connected with and rotates the flabellum, U type electro-magnet below is equipped with the bar electro-magnet, bar electro-magnet bottom both sides fixedly connected with supporting spring, supporting spring bottom and bracing piece fixed connection, bar electro-magnet middle part fixedly connected with bar separation blade, the bracing piece below is equipped with electric capacity, electric capacity top fixedly connected with wire, the wire other end and bar separation blade fixed connection, the fixed box left side is close to top fixedly connected with box of admitting air.

Preferably, cardboard bottom edge and bar separation blade top edge are the fillet, and the box inner wall of admitting air narrows down from the left end to the right end gradually, and every two of arc pole are a set of, and fixedly connected with falls the pole between every group arc pole, and every two of U type electro-magnet are a set of, and Liu has certain space between every group, and the bar separation blade is partial to the clearance left side between every group U type electro-magnet, charges the electric capacity through the electric energy that the photovoltaic board produced, connects through the conductor wire between dwang and the descending pole.

Preferably, dejecta mechanism include with photovoltaic board left side fixed connection's bump slide and with photovoltaic board right side fixed connection's recess slide, be equipped with the connecting strip between bump slide and the recess slide, the spacing spring of connecting strip left side fixedly connected with, spacing spring left side fixedly connected with slip box, spacing spring left side and the inside fixed connection of slip box, the connecting strip top is close to left and right sides sliding connection and has driving motor, driving motor output fixedly connected with changes the tooth, connecting strip bottom fixedly connected with sliding plate, the sliding plate bottom is close to left side sliding connection and has the clearance piece, clearance piece right side fixedly connected with reset spring, reset spring right side fixedly connected with second clearance piece.

Preferably, recess slide and bump sliding plate top end fixedly connected with tooth's socket, the even fixedly connected with arc lug in one side that the bump sliding plate is close to the photovoltaic board, the slip recess has been seted up to one side that the recess slide is close to the photovoltaic board, the connecting strip left side is arranged in the slip box with slip box sliding connection, it meshes with the tooth's socket to change the tooth, clearance piece and second clearance piece bottom are for invering flat-top four sides toper, second clearance piece and adjacent clearance piece coupling part are on same straight line, the magnetic pole is the same between U type electro-magnet and the bar electro-magnet, the connecting strip right side is the arc, be equipped with the electro-magnet in clearance piece and the second clearance piece, the magnetic pole is the same.

(III) advantageous effects

(1) According to the invention, the rotating fan blades are driven to rotate by the air flow outside the fixed box through the U-shaped electromagnets and the cutting rings arranged in the bird repelling mechanism, so that the cutting rings rotate to cut magnetic induction lines between the U-shaped electromagnets, and thus, the falling rod is provided with smaller current to electrically shock and repel smaller birds falling on the falling rod, and the situation that the smaller birds fall near the photovoltaic panel to rest and influence the normal working efficiency of the photovoltaic panel is prevented.

(2) According to the bird repelling device, the connecting rod, the clamping plate, the capacitor, the bar-shaped blocking piece, the bar-shaped electromagnet and the supporting spring are arranged in the bird repelling mechanism, so that when large birds fall on the falling rod, the arc-shaped rod moves downwards to drive the clamping plate to block the cutting ring, and meanwhile, the U-shaped electromagnet is stopped to be electrified to enable the bar-shaped electromagnet to push the bar-shaped blocking piece to move upwards, a current path is formed between the clamping plate and the capacitor, so that the falling rod is provided with relatively strong current to electrically shock and repel the large birds, and the large birds are prevented from falling near the photovoltaic panel to rest, so that the normal working efficiency of the photovoltaic panel is influenced

(3) According to the invention, through arranging the convex point sliding plate and the groove sliding plate in the dung removing mechanism, the connecting strip drives the cleaning block and the second cleaning block to clean bird dung on the photovoltaic plate through the connecting strip, the connecting strip is in contact with the arc-shaped convex block and is matched with the limiting spring, so that the connecting rod can move left and right to clean the bird dung on the photovoltaic plate while driving the cleaning block and the second cleaning block to move towards the bottom end of the photovoltaic plate, and the cleaning effect of the bird dung on the photovoltaic plate is enhanced.

(4) According to the invention, through arranging the sliding plate in the dung removing mechanism, the reset spring enables the connecting strips to drive the cleaning block and the second cleaning block to clean the photovoltaic panel, the cleaning block is close to the second cleaning block under the influence of friction force, the cleaning block can move repeatedly in the process of moving to the bottom end of the photovoltaic panel under the action of the electromagnets and the elastic springs arranged in the cleaning block and the second cleaning block, the cleaning effect on bird dung on the surface of the photovoltaic panel is enhanced, and the bird dung on the surface of the photovoltaic panel can be cleaned more cleanly by arranging the connecting parts of the second cleaning block and the adjacent cleaning blocks on the same straight line.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side cross-sectional view of the cassette of the present invention;

FIG. 3 is a schematic structural view of a bird repelling mechanism according to the present invention;

FIG. 4 is a schematic view of a connecting strip structure according to the present invention;

FIG. 5 is a schematic view of the construction of the groove sliding plate according to the present invention;

FIG. 6 is a side view of the manure removal mechanism of the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 1 at A according to the present invention.

The device comprises a support 1, a photovoltaic panel 2, a fixed box 3, a bird repelling mechanism 4, an arc-shaped rod 401, a falling rod 402, a spring 403, a support plate 404, a connecting rod 405, a clamping plate 406, a U-shaped electromagnet 407, a cutting ring 408, a rotating rod 409, a rotating fan blade 410, a strip-shaped electromagnet 411, a support spring 412, a support rod 413, a strip-shaped baffle 414, a capacitor 415, a lead 416, an air inlet box 417, a dung removing mechanism 5, a bump sliding plate 501, a groove sliding plate 502, a connecting strip 503, a limiting spring 504, a sliding box 505, a driving motor 506, a rotating tooth 507, a sliding plate 508, a cleaning block 509, a return spring 510 and a second cleaning block 511.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-7, an embodiment of the present invention provides a photovoltaic panel for repelling birds and removing bird droppings, which includes a support 1, a photovoltaic panel 2, a fixing box 3, a bird repelling mechanism 4, and a droppings removing mechanism 5, and is characterized in that: 1 top of support is equipped with photovoltaic board 2, 1 top of support and 2 bottom fixed connection of photovoltaic board, be equipped with fixed box 3 on the 2 right-hand members of photovoltaic board, fixed box 3 and 2 right-hand members fixed connection of photovoltaic board, be equipped with in the fixed box 3 and drive bird mechanism 4, drive bird mechanism 4 and 3 inner wall fixed connection of fixed box, be equipped with dejecta mechanism 5 on the photovoltaic board 2, dejecta mechanism 5 and 2 both sides fixed connection of photovoltaic board, the round hole has been seted up on the 3 left and right sides of fixed box, drive bird mechanism 4 both sides and pass the round hole and rotate with fixed box 3 and be connected fixed box 3 tops and evenly seted up the second round hole, drive bird mechanism 4 tops and pass second round hole and fixed box 3 sliding.

The bird repelling mechanism 4 is connected with arc-shaped rods 401 in a sliding mode through round holes in the top ends of the fixed boxes 3, the falling rods 402 are fixedly connected between the arc-shaped rods 401, the bottom ends of the arc-shaped rods 401 penetrate through the round holes and are arranged in the fixed boxes 3, springs 403 are fixedly connected to the bottom ends of the arc-shaped rods 401, supporting plates 404 are fixedly connected to the bottom ends of the springs 403, connecting rods 405 are fixedly connected between the bottom ends of the arc-shaped rods 401, clamping plates 406 are fixedly connected to the positions, close to the right side, of the connecting rods, U-shaped electromagnets 407 are arranged on two sides; a cutting ring 408 is arranged in the middle of the U part of the U-shaped electromagnet below the connecting rod 405, two ends of the cutting ring 408 are fixedly connected with a rotating rod 409, the rotating rod 409 at the right end of the rotating rod 409 passes through a round hole and is rotatably connected with the round hole, the rotating rod 409 at the left end of the rotating rod 409 passes through the round hole and is fixedly connected with a rotating fan blade 410, a bar-shaped electromagnet 411 is arranged below the U-shaped electromagnet 407, two sides of the bottom end of the bar-shaped electromagnet 411 are fixedly connected with a supporting spring 412, the bottom end of the supporting spring 412 is fixedly connected with a supporting rod 413, the middle part of the bar-shaped electromagnet is fixedly connected with a bar-shaped baffle 414, a capacitor 415 is arranged below the supporting rod 413, the top end of the capacitor 415 is fixedly connected with a lead 416, the other end of the, cardboard 406 bottom end edge and bar separation blade 414 top end edge are the fillet, the box 417 inner wall of admitting air narrows down from the left end to the right end gradually, every two of arc pole 401 are a set of, fixedly connected with falls pole 402 between every group arc pole 401, every two of U type electro-magnet 407 are a set of, Liu has certain space between every group, bar separation blade 414 is partial to the clearance left side between every group U type electro-magnet 407, the electric energy that produces through photovoltaic board 2 charges electric capacity 415, connect through the conductor wire between dwang 409 and the descending pole 402.

The feces removing mechanism 5 comprises a convex point sliding plate 501 fixedly connected with the left side of the photovoltaic plate 2 and a groove sliding plate 502 fixedly connected with the right side of the photovoltaic plate 2, a connecting strip 503 is arranged between the convex point sliding plate 501 and the groove sliding plate 502, a limiting spring 504 is fixedly connected with the left side of the connecting strip 503, a sliding box 505 is fixedly connected with the left side of the limiting spring 504, the left side of the limiting spring 504 is fixedly connected with the inside of the sliding box 505, a driving motor 506 is slidably connected with the top end of the connecting strip 503 close to the left and right sides, a rotating tooth 507 is fixedly connected with the output end of the driving motor 506, a sliding plate 508 is fixedly connected with the bottom end of the connecting strip 503, a cleaning block 509 is slidably connected with the bottom end of the sliding plate close to the left side, a reset spring 510 is fixedly connected with the right side of the cleaning block, a second cleaning block 511 is fixedly connected with the, the groove sliding plate 502 is provided with a sliding groove at one side close to the photovoltaic panel 2, the left side of the connecting strip 503 is arranged in the sliding box 505 and is in sliding connection with the sliding box 505, the rotating teeth 507 are meshed with the tooth grooves, the bottom ends of the cleaning blocks 509 and the second cleaning blocks 511 are inverted flat-topped quadrilateral cones, the connecting parts of the second cleaning blocks 511 and the adjacent cleaning blocks 509 are on the same straight line, the magnetic poles between the U-shaped electromagnet 407 and the strip-shaped electromagnet 411 are the same, the right side of the connecting strip 503 is arc-shaped, electromagnets are arranged in the cleaning blocks 509 and the second cleaning blocks 511, and the magnetic poles between the electromagnets are the same.

When the bird dropping device is used, the photovoltaic panel 2 is usually arranged in an open area, when wind blows over the photovoltaic panel 2, airflow enters the special arrangement of the air inlet box 417 from the air inlet box 417 to enable the rotating fan blade 410 to rotate, the rotating fan blade 410 rotates to drive the rotating rod 409 to rotate, the rotating rod 409 rotates to drive the cutting ring 408 to rotate to cut the magnetic induction line 407, so that small current is generated, the current is led into the dropping rod 402 through the conducting wire between the rotating fan blade 410 and the dropping rod 402, so that the dropping rod 402 is electrified, when small birds fall on the dropping rod 402 and cannot drive the arc-shaped rod 401 to move downwards, the small birds can be electrically shocked and repelled through the small current carried on the dropping rod 402, when large birds fall on the dropping rod 402 to have a rest, the large birds can move the dropping rod 402 downwards due to the fact that the bodies are heavy, the falling rod 402 moves downwards to drive the arc-shaped rod 401 to move downwards, meanwhile, the connecting rod 405 drives the clamping plate 406 to move downwards to block the rotating cutting ring 408, when the cutting ring 408 stops rotating, the U-shaped electromagnet 407 stops being electrified, so that the bar-shaped electromagnet 411 loses the influence of the repulsive force between the mutually exclusive magnetic poles, and the bar-shaped electromagnet 411 pushes the bar-shaped blocking piece 414 to move upwards under the action of the supporting spring 412, so that the bar-shaped blocking piece 414 is contacted with the cutting ring 408, when the U-shaped electromagnet 407 is powered off, the capacitor 415 starts to discharge a current which is stronger than the current generated by cutting magnetic induction lines, thereby make the electric current in electric capacity 415 pass through wire 416, bar separation blade 414, cutting ring 408, cardboard 406, connecting rod 405, arc pole 401 is leading-in to carry out the electric shock to the great birds of size on arc pole 401 and drives in 402 to prevent that birds from falling on photovoltaic board 2 around rest influence photovoltaic board 2's work efficiency.

When bird droppings falling on the photovoltaic panel 2 are cleaned, the driving motor 506 is started to drive the rotating teeth 507 to rotate, the rotating teeth 507 rotate to drive the connecting strips 503 to slide towards the bottom end of the photovoltaic panel 2 along the convex point sliding plates 501 and the groove sliding plates 502 to clean the bird droppings on the photovoltaic panel 2, in the process that the connecting strips 503 move towards the left side of the photovoltaic panel, when the right sides of the connecting strips 503 are in contact with the arc-shaped bumps of the convex point sliding plates 501, the arc-shaped bumps push the connecting strips 503 to move towards the left, when the connecting strips 503 are far away from the arc-shaped bumps, the connecting strips 503 are reset, so that when the connecting strips 503 drive the cleaning blocks 509 and the second cleaning blocks 511 to clean the bird droppings on the surface of the photovoltaic panel 2, the cleaning blocks 509 and the second cleaning blocks 511 can move towards the left and the right under the driving of the connecting strips 503 to enhance the cleaning effect on the bird droppings on the surface of the photovoltaic panel, and when the connecting strips 503 drive the cleaning blocks 509 and, the cleaning block 509 is influenced by friction force and can move towards one side close to the second cleaning block 511 along the sliding plate 508, and the electromagnet and the return spring 510 arranged in the cleaning block 509 and the second cleaning block 511 reset the cleaning block 509, so that the cleaning block 509 can repeatedly slide at the bottom end of the cleaning block 509 in the process of moving downwards on the photovoltaic panel 2, and the cleaning effect on bird droppings on the surface of the photovoltaic panel 2 is enhanced.