CN215773030U

CN215773030U - Self-cleaning solar cell panel

Info

Publication number: CN215773030U
Application number: CN202121948510.3U
Authority: CN
Inventors: 郭文丰; 刘俊; 张勤辉
Original assignee: Luxen Solar Energy Co ltd
Current assignee: Suzhou Leneng Photovoltaic Power Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-02-08
Anticipated expiration: 2031-08-19

Abstract

The application relates to the technical field of solar photovoltaic power generation, in particular to a self-cleaning solar cell panel which comprises a solar cell panel main body, a driving assembly, a wiping mechanism and a lifting mechanism; the solar cell panel main body comprises toughened glass, cell pieces, a back plate and a junction box, and an aluminum alloy frame is sleeved on the periphery of the solar cell panel main body; the driving assembly comprises a driving roller and a driven roller, corresponding shells are sleeved on the driving roller and the driven roller, a rainproof belt is sleeved on the driving roller and the driven roller, a rainproof layer and a net-shaped layer are arranged in the rainproof belt, the wiping mechanism comprises an upper guide rail and a lower guide rail, the upper guide rail and the lower guide rail comprise gear bars and guide rods which are distributed in parallel, a brush rod is arranged between the upper guide rail and the lower guide rail, fixed blocks are arranged at two ends of the brush rod, and the wiping mechanism is arranged on the inner side of the rainproof belt; the lifting mechanism comprises a bottom plate and a lifting column, the lifting column is installed on the bottom plate, the top of the lifting column is hinged with the shell, a sliding groove is formed in the bottom plate, and the sliding groove is matched with the moving block. This application has reduced the human cost, has improved solar cell panel's the photoelectric heat conversion efficiency.

Description

Self-cleaning solar cell panel

Technical Field

The application relates to the technical field of solar photovoltaic power generation, in particular to a self-cleaning solar cell panel.

Background

The lighting glass in the solar cell panel is an essential accessory of a solar photovoltaic system, and the sunlight penetration rate of the lighting glass is in direct proportion to the photoelectric conversion efficiency. Because the daylighting glass on the solar photovoltaic cell panel is polluted by sunshine, rain and external environment for a long time outdoors, like the glass of a building, a layer of dirty layer can be formed on the surface of the glass after a period of time, and the dirty layer can influence the penetration rate of the optical fiber, so that the photoelectric conversion efficiency of the solar photovoltaic cell can be greatly reduced.

At present, solar cell panels installed at low positions, such as solar lawn lamps and solar floor lamps, can be periodically dedusted manually, but solar cell panels installed at high positions, such as solar street lamps and roof solar power supply devices, are very inconvenient to dedust, so that the installation of an automatic cleaning device on the solar cell panels can effectively improve the conversion efficiency of photoelectric heat, and the service life of the automatic cleaning device is prolonged.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the prior art, the application provides a self-cleaning solar cell panel.

The application provides a solar cell panel of automatically cleaning adopts following technical scheme:

a self-cleaning solar cell panel comprises a solar cell panel main body, a driving assembly, a wiping mechanism and a lifting mechanism; the solar cell panel main body comprises toughened glass, cell pieces, a back plate and a junction box, the layer mechanisms are connected through EVA (ethylene vinyl acetate) glue, and an aluminum alloy frame is sleeved on the periphery of the solar cell panel main body; the driving assembly comprises a driving roller and a driven roller which are arranged at two ends of a solar cell panel main body, the driving roller and the driven roller are respectively sleeved with a corresponding shell, the driving roller and the driven roller are sleeved with a rainproof belt, a rainproof layer and a net-shaped layer which are the same in length are arranged in the rainproof belt, the wiping mechanism comprises an upper guide rail and a lower guide rail which are arranged on the side face of an aluminum alloy frame, the upper guide rail and the lower guide rail are the same in structure and comprise gear bars and guide rods which are distributed in parallel, a brush rod is arranged between the upper guide rail and the lower guide rail, two ends of the brush rod are provided with fixing blocks, and the wiping mechanism is arranged on the inner side of the rainproof belt; the lifting mechanism comprises a bottom plate and a lifting column, the lifting column is installed on the bottom plate, the top of the lifting column is hinged to the shell, a sliding groove is formed in the bottom plate, and the sliding groove is matched with a moving block arranged at the bottom of the lifting column.

Through adopting above-mentioned technical scheme, the solar cell panel surface is toughened glass, the back is for being equipped with the backplate, the battery piece and the terminal box that the centre was equipped with are used for handling the sun that shines into through toughened glass, and connect through EVA glue, have the high transparent characteristics of high strength, do not influence solar cell panel and absorb the illumination, and it is effectual to bond, and ageing time is long, the long-time needs that bond of solar cell panel has been satisfied, the aluminum alloy frame of suit all around can provide reinforced (rfd) function to solar cell panel's overall structure. Drive roller and driven voller among the drive arrangement rotate and drive rain-proof belt and rotate, thereby the adjustment covers be rain-proof layer or netted layer on solar cell panel toughened glass face, wherein rain-proof layer and netted layer length of taking in rain-proof belt are the same, under the sun's of fine and good condition, rotate this one side of toughened glass with netted layer, can let solar illumination penetrate into solar cell panel, weather overcast and rainy or night, can rotate this one side of toughened glass with rain-proof layer, can effectually avoid having impurity rainwater, dew and so on causes piling up of impurity on the toughened glass surface, thereby influence solar cell panel's absorption efficiency. Wiping mechanism sets up on solar cell panel toughened glass face to wiping mechanism installs at rain-proof belt inboard, not with rain-proof belt between take place the influence, the brush-holder stud among the wiping mechanism removes at the fixed block through both ends between upper guideway and the lower guideway, and the fixed block suit drives the fixed block through the rack with its parallel distribution on the guide arm. The lifting column is installed on the base in the lifting mechanism, the top of the lifting column is hinged with the base, the moving block at the bottom of the lifting column is matched with the sliding groove in the bottom plate, the distance between the lifting column and the moving block can be adjusted, the solar cell panel can be adjusted through adjusting the height and the distance of the lifting column, the best irradiation angle can be achieved, and the best solar receiving effect can be achieved.

Preferably, the connecting block is installed to the brush-holder stud bottom, and the connecting block divide into the real piece of upper end and the recess of bottom, and the fixed block passes through bolt fixed connection with the brush-holder stud, is equipped with the slider in the recess, and spring coupling is passed through with the top of recess to the slider, and the both ends of slider are equipped with spacing arch, the lateral wall adaptation of spacing arch and recess.

Through adopting the above technical scheme, the connecting block of the bottom installation of brush-holder stud, the real piece of connecting block upper end passes through bolt fixed connection with the brush-holder stud, can make things convenient for the dismantlement of connecting block to change, the slider that is equipped with in the recess of connecting block lower extreme, the slider passes through spring coupling with the recess top, can let the slider provide the buffering to the in-process of the toughened glass pressure of exerting pressure on solar cell panel surface, avoid the slider to cause the damage or influence its clean effect to the toughened glass surface, the both ends of slider are equipped with spacing arch, the lateral wall adaptation of spacing arch and recess, can be when the slider passes through spring motion, guarantee that the position of slider does not take place the skew.

Preferably, a through hole is formed in the slider along the central axis direction of the brush rod, and a brush roller is arranged in the through hole and comprises a central rotating shaft and brush strips circumferentially distributed on the central rotating shaft.

Through adopting above-mentioned technical scheme, the inside through hole that is equipped with of slider is used for laying the brush roller, and the brush roller adopts a plurality of brush strips of installation on the central pivot, to the clear in-process of toughened glass, only carries out cleaning operation through one of them brush strip, and after this brush strip used a period, the central pivot of brush roller rotated, rotated to another new brush and toughened glass surface contact, continued cleaning operation.

Preferably, the bottom of the through hole in the sliding block is provided with a through hole matched with the brush strip, and the bottom surface of the sliding block is also provided with rubber scrapers which are symmetrically distributed on two sides of the through hole.

Through adopting above-mentioned technical scheme, through hole bottom in the slider is equipped with the perforation, can make things convenient for the change of brush strip on the brush roller through brush strip, and the rubber scraper of the bottom surface symmetric distribution of slider, no matter the slider is when carrying out forward stroke or reverse stroke, the operation is scraped to the toughened glass surface through rubber scraper earlier, clear up the impurity that the volume is great or adhere on toughened glass, rethread brush strip is scrubbed toughened glass surface writing, can have better clean effect to the toughened glass surface.

Preferably, the fixed blocks at the two ends of the brush rod are both provided with motors, and the output shafts of the motors are provided with gears meshed with the gear bars.

Through adopting above-mentioned technical scheme, the motor of installation can be through the gear and the gear rack meshing of installing on it on the fixed block at brush-holder stud both ends, and the brush-holder stud in the drive assembly can realize the motion through the effect of gear rack.

Preferably, two limiting strips are arranged between the upper guide rail and the lower guide rail, and two ends of each limiting strip are respectively connected to the corresponding end parts of the upper guide rail and the lower guide rail.

Through adopting above-mentioned technical scheme, go up the guide rail and with the lower rail between be equipped with two spacing be located the tip that upper guide rail and lower rail correspond, can carry on spacingly to brush-holder stud and the fixed block of last guide rail and lower rail upper motion, according to the position of the spacing strip of solar panel size design, realize the comprehensive cleanness to the toughened glass surface.

Preferably, the left side wall and the right side wall of the groove are respectively provided with a positive travel switch and a negative travel switch which are both in linear connection with the motor.

Through adopting above-mentioned technical scheme, be equipped with positive travel switch and the anti-travel switch that is equipped with on the left and right sides wall of recess, both adopt linear connection with the motor, can contact with spacing strip and start when positive travel switch or anti-travel switch move the tip of upper guideway and lower guideway for the motor drives fixed block reverse motion, thereby realizes wiping the reciprocal clearance of mechanism making a round trip on toughened glass surface.

Preferably, all install the mechanism of blowing on the side of fixed block, the mechanism of blowing includes the fan, the storehouse of blowing, and the storehouse end of blowing is equipped with the air outlet.

Through adopting above-mentioned technical scheme, blast apparatus on the fixed block side can effectually blow off the dust on toughened glass surface, impurity such as dust under rubber scraper blade and the brush, through blowing the wind storehouse at the fan to discharge through the less air outlet of diameter, can extrude the air, thereby increase the pressure of the wind of air outlet, thereby improve the effect of blowing off to the dust.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the lifting columns arranged on the base in the lifting mechanism can adjust the distance between the lifting columns, so that the angle of the solar cell panel can be adjusted through adjusting the height and the distance of the lifting columns, the best irradiation angle can be achieved, and the best solar receiving effect can be achieved.

2. Drive roller and driven voller among the drive arrangement rotate and drive rain-proof belt and rotate to whether the adjustment covers on solar cell panel toughened glass face is rain-proof layer or netted layer, realized operating condition and unoperated state's switching, improved solar cell panel's life, reduced its clean degree of difficulty

3. The automatic cleaning device arranged on the solar cell panel can realize automatic cleaning, can achieve a good solar receiving effect in places inconvenient to clean manually, greatly reduces the labor cost and improves the energy conversion efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a wiping mechanism in a self-cleaning solar panel;

FIG. 2 is a schematic diagram of a half-section structure of a wiping mechanism in a self-cleaning solar panel;

FIG. 3 is a schematic diagram of a blowing mechanism in a self-cleaning solar panel;

FIG. 4 is a cross-sectional view of a brush bar of a self-cleaning solar panel;

FIG. 5 is a schematic view of an overall structure of a self-cleaning solar panel;

fig. 6 is a schematic diagram of a solar panel structure of a self-cleaning solar panel.

Description of reference numerals: 1. a solar cell panel main body; 11. tempering the glass; 12. a battery piece; 13. a back plate; 14. a junction box; 15. an aluminum alloy frame; 2. a drive assembly; 21. a drive roller; 22. a driven roller; 23. a housing; 24. a rain-proof belt; 241. a rain-proof layer; 242. a mesh layer; 3. a wiping mechanism; 31. an upper guide rail; 311. a gear rack; 312. a guide bar; 32. a lower guide rail; 33. a brush bar; 34. a fixed block; 341. a motor; 342. a blowing mechanism; 3421. a fan; 3422. a blowing bin; 3423. an air outlet; 35. connecting blocks; 351. compacting; 352. a groove; 3521. a positive stroke switch; 3522. a reverse travel switch; 353. a spring; 354. a slider; 3541. a through hole; 3542. a brush roller; 3543. a central rotating shaft; 3544. a brush bar; 3545. a rubber blade; 36. a limiting strip; 4. a lifting mechanism; 41. a base plate; 411. a chute; 42. a lifting column; 421. moving the mass.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses solar cell panel of automatically cleaning.

Referring to fig. 1, 2, 3, 4, 5 and 6, a self-cleaning solar cell panel includes a solar cell panel body 1, a driving assembly 2, a wiping mechanism 3 and a lifting mechanism 4; the solar cell panel main body 1 comprises toughened glass 11, cell pieces 12, a back plate 13 and a junction box 14, the layer mechanisms are connected through EVA (ethylene vinyl acetate) glue, and an aluminum alloy frame 15 is sleeved on the periphery of the solar cell panel main body 1; the driving assembly 2 comprises a driving roller 21 and a driven roller 22 which are arranged at two ends of the solar cell panel main body 1, corresponding shells 23 are sleeved on the driving roller 21 and the driven roller 22, a rainproof belt 24 is sleeved on the driving roller 21 and the driven roller 22, a rainproof layer 241 and a reticular layer 242 which are the same in length are arranged in the rainproof belt 24, the wiping mechanism 3 comprises an upper guide rail 31 and a lower guide rail 32 which are arranged on the side surface of the aluminum alloy frame 15, the upper guide rail 31 and the lower guide rail 32 are the same in structure and comprise gear bars 311 and guide rods 312 which are distributed in parallel, a brush rod 33 is arranged between the upper guide rail 31 and the lower guide rail 32, two ends of the brush rod 33 are provided with fixing blocks 34, and the wiping mechanism 3 is arranged on the inner side of the rainproof belt 24; the lifting mechanism 4 comprises a bottom plate 41 and a lifting column 42, the lifting column 42 is installed on the bottom plate 41, the top of the lifting column 42 is hinged to the shell 23, a sliding groove 411 is formed in the bottom plate 41, and the sliding groove 411 is matched with a moving block 421 arranged at the bottom of the lifting column 42. The solar cell panel surface is toughened glass 11, the back is for being equipped with backplate 13, the battery piece 12 and the terminal box 14 that the centre was equipped with are used for handling the sun of shining into through toughened glass 11, and glue through the EVA and connect, have the high transparent characteristics of high strength, do not influence solar cell panel and absorb the illumination, and it is effectual to bond, and ageing time is long, the long-time needs that bond of solar cell panel has been satisfied, the aluminum alloy frame 15 of suit all around can provide reinforced (rfd) function to solar cell panel's overall structure. Drive roller 21 and driven voller 22 among the drive arrangement rotate and drive rain-proof belt 24 and rotate, thereby the adjustment covers be rain-proof layer 241 or netted layer 242 on solar cell panel toughened glass 11 face, wherein rain-proof layer 241 and netted layer 242 take the same length in rain-proof belt 24, under the circumstances of fine sun, rotate this one side of toughened glass 11 with netted layer 242, can let solar light shine into solar cell panel, at overcast and rainy weather or night, can rotate this one side of toughened glass 11 with rain-proof layer 241, can effectually avoid having impurity rainwater, dew etc. causes the piling up of impurity on toughened glass 11 surface, thereby influence solar cell panel's absorption efficiency. Wiping mechanism 3 sets up on solar cell panel toughened glass 11 face to wiping mechanism 3 installs at rain-proof belt 24 inboard, and does not take place the influence with rain-proof belt 24 between, and brush-holder stud 33 among the wiping mechanism 3 moves between upper guideway 31 and lower guideway 32 through the fixed block 34 at both ends, and fixed block 34 suit is on guide arm 312, drives fixed block 34 through the rack 311 rather than parallel distribution. The lifting columns 42 are installed on the base in the lifting mechanism 4, the tops of the lifting columns 42 are hinged with each other, the moving blocks 421 at the bottoms of the lifting columns 42 are matched with the sliding grooves 411 in the bottom plate 41, the distance between the lifting columns 42 can be adjusted, the angle of the solar cell panel can be adjusted through adjusting the height and the distance of the lifting columns 42, the best irradiation angle can be achieved, and the best solar receiving effect can be achieved.

Referring to fig. 1, 2, 4 and 5, the connecting block 35 is installed at the bottom of the brush rod 33, the connecting block 35 is divided into a solid block 351 at the upper end and a groove 352 at the bottom, the fixed block 34 is fixedly connected with the brush rod 33 through a bolt, a sliding block 354 is arranged in the groove 352, the sliding block 354 is connected with the top of the groove 352 through a spring 353, and limiting protrusions are arranged at two ends of the sliding block 354 and are matched with the side walls of the groove 352. Connecting block 35 of the bottom installation of brush-holder stud 33, real piece 351 and the brush-holder stud 33 of connecting block 35 upper end pass through bolt fixed connection, can make things convenient for connecting block 35's dismantlement to change, the slider 354 that is equipped with in the recess 352 of connecting block 35 lower extreme, slider 354 passes through spring 353 with the recess 352 top and is connected, can let slider 354 exert pressure's the in-process to the toughened glass 11 on solar cell panel surface and provide the buffering, avoid slider 354 to cause the damage or influence its clean effect to toughened glass 11 surface, slider 354's both ends are equipped with spacing arch, spacing arch and recess 352's lateral wall adaptation, can be when slider 354 passes through the motion of spring 353, guarantee that slider 354's position does not take place the skew.

Referring to fig. 1, 2, and 4, a through hole 3541 is formed in the slider 354 along a central axis of the brush bar 33, and a brush roller 3542 is disposed in the through hole 3541, wherein the brush roller 3542 includes a central rotating shaft 3543 and brush strips 3544 circumferentially distributed on the central rotating shaft 3543. The through hole 3541 provided inside the slider 354 is used for placing the brush roller 3542, the brush roller 3542 adopts a central rotating shaft 3543 to install a plurality of brush strips 3544, during the cleaning process of the toughened glass 11, the cleaning operation is carried out only through one brush strip 3544, after the brush strip 3544 is used for a period of time, the central rotating shaft 3543 of the brush roller 3542 rotates until another new brush is in contact with the surface of the toughened glass 11, and the cleaning operation is continued.

Referring to fig. 1, 2 and 4, a through hole adapted to the brush strip 3544 is formed at the bottom of the through hole 3541 in the slider 354, and a rubber scraper 3545 is further formed on the bottom surface of the slider 354, and the rubber scrapers 3545 are symmetrically distributed on two sides of the through hole. Through hole 3541 bottom in the slider 354 is equipped with the perforation, can make things convenient for the change that brush strip 3544 on the brush roller 3542 passes through brush strip 3544, and the bottom surface symmetric distribution's of slider 354 rubber scraper 3545, no matter slider 354 is when carrying out forward stroke or reverse stroke, all can scrape off the operation through rubber scraper 3545 to toughened glass 11 surface earlier, clear up the impurity that the volume is great or adhere to on toughened glass 11, rethread brush strip 3544 brushes toughened glass 11 surface memorability, can have better clean effect to toughened glass 11 surface.

Referring to fig. 1 and 2, the motor 341 is mounted on the fixing blocks 34 at both ends of the brush bar 33, and a gear engaged with the gear rack 311 is disposed on an output shaft of the motor 341. The motors 341 mounted on the fixing blocks 34 at the two ends of the brush bar 33 can be engaged with the gear rack 311 through the gears mounted thereon, and the brush bar 33 in the driving assembly 2 can move through the action of the gear rack 311.

Referring to fig. 1, two limiting strips 36 are disposed between the upper rail 31 and the lower rail 32, and two ends of the limiting strips 36 are respectively connected to corresponding ends of the upper rail 31 and the lower rail 32. Two spacing strips 36 that are equipped with between upper guideway 31 and the lower guideway 32 are located the tip that upper guideway 31 and lower guideway 32 correspond, can carry on spacingly to brush-holder stud 33 and the fixed block 34 of last guide rail 31 and the upper guideway 32 upper movement, and the realization is to the comprehensive cleanness on toughened glass 11 surface according to the position of the spacing strip 36 of solar panel size design.

Referring to fig. 1, 2 and 4, a positive travel switch 3521 and a negative travel switch 3522 are respectively disposed on left and right sidewalls of the groove 352, and both are linearly connected to the motor 341. The left side wall and the right side wall of the groove 352 are provided with a positive travel switch 3521 and a negative travel switch 3522, the positive travel switch 3521 and the negative travel switch 3522 are linearly connected with the motor 341, and the positive travel switch 3521 or the negative travel switch 3522 can be contacted with the limiting strips 36 to be started when moving to the end parts of the upper guide rail 31 and the lower guide rail 32, so that the motor 341 drives the fixed block 34 to move reversely, and the wiping mechanism 3 can be cleaned on the surface of the toughened glass 11 in a reciprocating manner.

Referring to fig. 1, 2 and 3, the side surfaces of the fixing block 34 are all provided with the blowing mechanism 342, the blowing mechanism 342 includes a fan 3421 and a blowing bin 3422, and the tail end of the blowing bin 3422 is provided with an air outlet 3423. The blast apparatus on the fixed block 34 side can effectually blow off the dust on toughened glass 11 surface, impurity such as dust under rubber scraper 3545 and the brush, through blowing storehouse 3422 at fan 3421 process to discharge through the less air outlet 3423 of diameter, can extrude the air, thereby increase the pressure of the wind of air outlet 3423, thereby improve the effect of blowing off to the dust.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A solar cell panel of automatically cleaning which characterized in that: comprises a solar cell panel main body (1), a driving component (2), a wiping mechanism (3) and a lifting mechanism (4); the solar cell panel main body (1) comprises toughened glass (11), cell pieces (12), a back plate (13) and a junction box (14), the layer mechanisms are connected through EVA (ethylene vinyl acetate) glue, and an aluminum alloy frame (15) is sleeved on the periphery of the solar cell panel main body (1); the driving assembly (2) comprises a driving roller (21) and a driven roller (22) which are arranged at two ends of the solar cell panel main body (1), and the driving roller (21) and the driven roller (22) are sleeved with corresponding shells (23), the driving roller (21) and the driven roller (22) are sleeved with a rainproof belt (24), the rain-proof belt (24) is provided with a rain-proof layer (241) and a reticular layer (242) with the same length, the wiping mechanism (3) comprises an upper guide rail (31) and a lower guide rail (32) which are arranged on the side surface of the aluminum alloy frame (15), the upper guide rail (31) and the lower guide rail (32) have the same structure and comprise a gear rack (311) and a guide rod (312) which are distributed in parallel, a brush rod (33) is arranged between the upper guide rail (31) and the lower guide rail (32), fixing blocks (34) are arranged at two ends of the brush rod (33), and the wiping mechanism (3) is arranged on the inner side of the rainproof belt (24); the lifting mechanism (4) comprises a bottom plate (41) and a lifting column (42), the lifting column (42) is installed on the bottom plate (41), the top of the lifting column (42) is hinged to the shell (23), a sliding groove (411) is formed in the bottom plate (41), and the sliding groove (411) is matched with a moving block (421) arranged at the bottom of the lifting column (42).

2. A self-cleaning solar panel as claimed in claim 1, wherein: connecting block (35) are installed to brush-holder stud (33) bottom, and connecting block (35) divide into real piece (351) of upper end and recess (352) of bottom, fixed block (34) pass through bolt fixed connection with brush-holder stud (33), be equipped with slider (354) in recess (352), slider (354) pass through spring (353) with the top of recess (352) and are connected, and the both ends of slider (354) are equipped with spacing arch, the lateral wall adaptation of spacing arch and recess (352).

3. A self-cleaning solar panel as claimed in claim 2, wherein: a through hole (3541) is formed in the slider (354) along the central axis direction of the brush rod (33), a brush roller (3542) is arranged in the through hole (3541), and the brush roller (3542) comprises a central rotating shaft (3543) and brush strips (3544) which are circumferentially distributed on the central rotating shaft (3543).

4. A self-cleaning solar panel as claimed in claim 3, wherein: the bottom of the through hole (3541) in the sliding block (354) is provided with a through hole matched with the brush strip (3544), the bottom surface of the sliding block (354) is also provided with a rubber scraper (3545), and the rubber scrapers (3545) are symmetrically distributed on two sides of the through hole.

5. A self-cleaning solar panel as claimed in claim 1, wherein: the fixed blocks (34) at the two ends of the brush rod (33) are both provided with motors (341), and the output shafts of the motors (341) are provided with gears meshed with the gear rack (311).

6. A self-cleaning solar panel as claimed in claim 1, wherein: two limiting strips (36) are arranged between the upper guide rail (31) and the lower guide rail (32), and two ends of each limiting strip (36) are respectively connected to the corresponding end parts of the upper guide rail (31) and the lower guide rail (32).

7. A self-cleaning solar panel as claimed in claim 1, wherein: the left side wall and the right side wall of the groove (352) are respectively provided with a positive travel switch (3521) and a negative travel switch (3522), and the positive travel switch and the negative travel switch are both in linear connection with the motor (341).

8. A self-cleaning solar panel as claimed in claim 1, wherein: all install on the side of fixed block (34) and blow mechanism (342), blow mechanism (342) including fan (3421), blow storehouse (3422), and blow storehouse (3422) end and be equipped with air outlet (3423).