CN109909195B - Automatic cleaning equipment for solar power generation panel for photovoltaic power generation - Google Patents

Abstract

The invention discloses an automatic cleaning device for solar power generation panels for photovoltaic power generation, comprising a solar power generation panel for power generation and a fixing frame for fixing the solar power generation panels, the fixing frame is provided with a cleaning device for the solar power generation panels A dust removal mechanism for performing dust removal treatment on the surface, the dust removal mechanism includes a dust removal device for removing dust on the surface of the solar power generation panel, a guide rail for controlling the movement of the dust removal mechanism on the solar power generation panel, and a dust removal device for removing dust on the surface of the solar power generation panel. Dust suction device for absorbing dust; through the arrangement of the above structure, the solar power generation panel can achieve efficient dust removal effect through the dust removal device and the dust suction device, and avoid the cleaning and dust removal of the solar power generation panel with water flow, which effectively saves water resources , avoids the waste of water resources, and at the same time ensures the cleaning and dust removal effect of the solar power generation panel, and it is cleaned automatically without manual operation, which is very environmentally friendly and practical.

Description

Solar panel automatic cleaning equipment for photovoltaic power generation

technical field

The invention belongs to the technical field of photovoltaic power generation panel cleaning, and in particular relates to an automatic cleaning device for solar power generation panels used for photovoltaic power generation.

Background technique

Solar power generation equipment is often installed in the field environment, and the field environment often has sandy weather. When the equipment is used for a long time, impurities such as sand and dust will gradually deposit on the surface of the solar photovoltaic panel, affecting the absorption of solar energy by the solar photovoltaic panel, thereby affecting the power generation efficiency of the equipment, and easily causing the failure of the solar photovoltaic panel. Therefore, it is necessary to Regular or irregular cleaning of solar power equipment.

The current publication number CN107457239A discloses a photovoltaic solar panel cleaning device for power generation. The device can clean the photovoltaic solar panel by continuously moving the brush back and forth through the forward and backward moving device, and can adjust the position of the brush through the upward and downward moving device. In this way, photovoltaic solar panels at different heights can be cleaned, thereby achieving the effects of saving time and effort, improving cleaning efficiency, lowering manufacturing costs, and reducing cleaning costs.

However, when the device cleans the solar panels, manual operation is required for cleaning, which is very inconvenient. Some solar panels are large in size, and manual cleaning is very laborious, and if it is in a desert area, it is very wasteful to clean with water. , very unenvironmental, and has a great test on the human body's ability to withstand.

SUMMARY OF THE INVENTION

In order to overcome the deficiencies of the prior art, the present invention provides a safe, efficient, easy and labor-saving solar panel automatic cleaning device for photovoltaic power generation.

In order to achieve the above purpose, the present invention adopts the following technical scheme: an automatic cleaning device for solar power generation panels for photovoltaic power generation, comprising a solar power generation panel for power generation and a fixed frame for fixing the solar power generation panel, and the fixed frame is on the There is a dust removal mechanism for dust removal on the surface of the solar power generation panel, the dust removal mechanism includes a dust removal device for removing dust on the surface of the solar power generation panel, a guide rail for controlling the movement of the dust removal mechanism on the solar power generation panel, and a A dust collector for absorbing the dust on the surface of the solar power generation panel; through the arrangement of the above structure, the solar power generation panel can achieve the effect of efficient dust removal through the dust removal device and the dust collector, and avoid the cleaning of the solar power generation panel with water flow Dust removal effectively saves water resources, avoids waste of water resources, and at the same time ensures the cleaning and dust removal effect of solar power panels, and it is automatically cleaned without manual operation, which is very environmentally friendly and practical.

The dust removal device includes a plurality of cleaning parts for cleaning the surface of the solar power generation panel, a support rod for supporting the cleaning parts, and a connecting part for connecting and fixing each cleaning part. The connecting piece is fixedly connected to the cleaning piece through the rotating shaft; through the arrangement of the above structure, the solar power generation panel can realize the effect of dust removal and cleaning through the cleaning piece, which ensures the dust removal quality of the solar power generation board and effectively improves the The cleaning efficiency can be improved, and the cleaning parts can be rotated at any time, so as to facilitate the replacement of new cleaning parts, avoid the old cleaning parts affecting the effect of dust removal, and avoid the trouble of frequent replacement, which is very simple and practical.

The dust collecting device includes a dust collecting cylinder for the flow of dust on the solar power generation panel, a closing assembly for opening and closing the dust collecting cylinder, a first driving member for suctioning the dust on the solar power generation panel, and a vacuum cleaner. In the dust storage box for storing the sucked dust, the dust suction cylinder is provided with two dust suction ports for absorbing dust, and the dust suction cylinder is arranged in an arc shape; Before cleaning the dust on the solar power generation panel, pre-absorb the large amount of dust accumulated on the solar power generation panel, strengthen the dust removal effect on the solar power generation panel, and ensure the cleanliness on the surface of the solar power generation panel. The setting enables the vacuum cleaner to reciprocately clean the surface of the solar power generation panel, which effectively enhances the cleaning effect of the solar power generation panel.

The dust removal device includes a fixing rod for fixing and limiting the cleaning member, one end of the fixing rod is provided with a first transmission member for driving the closing assembly to open and close the dust collecting cylinder, and the other end of the fixing rod It is fixed on a rotating bearing, the fixing rod is arranged in a flat shape, the cleaning member is provided with an embedding groove that engages with the fixing rod, and the fixing frame is provided with a moving groove for the first transmission member to move. Through the arrangement of the above structure, the cooperating arrangement of the above-mentioned fixing rod and the cleaning piece can effectively avoid the continuous deflection of the cleaning piece, so that the cleaning piece can stably clean the solar power generation panel and ensure that the cleaning piece is cleaning the solar power generation panel. It is very simple and effective, and the setting of the second transmission part allows the cleaning part to deflect a certain angle, so as to control the suction control of the closed component to the dust collector, and concentrate the suction force of the dust collector. It is very practical to avoid the waste of suction power when vacuuming, and reduce the loss of energy.

The guide rail is provided with a guide rail groove for guiding and limiting the dust removal mechanism, a guide rack for assisting the dust removal mechanism to move, and a fixed casing for fixing the guide rack on the guide rail. There is a second transmission member for controlling the movement of the dust removal mechanism, and the second transmission member is meshed and connected with the guide rail groove and the guide rack. It is used to carry out full-coverage dust removal treatment on the surface of the solar power generation panel to strengthen the dust removal effect on the surface of the solar power generation panel, and at the same time, it can achieve the effect of automatic movement, and can avoid blocking the surface of the solar power generation panel when it is not working. Stable work of the power generation board.

The guide rail is provided with a fixed frame for supporting and fixing the guide rack, the fixed frame is provided with a sliding groove for assisting the guide rack to move, and the guide rack is provided with a sliding block matched with the sliding groove , the second transmission member is provided with a second driving member for driving the second transmission member to rotate, and the second driving member is arranged on a connecting frame; through the arrangement of the above structure, the guide rack can be installed on the guide rail. The upper part moves with the movement of the first transmission part, so as to facilitate the smooth driving of the dust removal mechanism by the first transmission part and ensure the smooth movement of the dust removal mechanism on the solar power generation panel, and the second driving part is arranged to facilitate the driving of the dust removal mechanism. Mobile dust removal is carried out on the solar power generation panel, which improves the efficiency of cleaning and dust removal.

The first transmission member is provided with a third transmission member for controlling the closing assembly to turn over, the third transmission member is engaged with the first transmission member, and both the first transmission member and the third transmission member are connected to the connecting frame Actively connected, the closing assembly includes a fixed shaft for supporting the rotation of the closing assembly, and the third transmission member is fixedly connected with the fixed shaft; through the arrangement of the above structure, the third transmission member can be deflected by the cleaning member. The control of the closed assembly ensures effective dust removal treatment of the dust on the solar power generation panel, and the setting of the fixed shaft facilitates the effective control of the closed assembly by the third transmission member, and strengthens the control of the closed assembly by the third transmission member. Stable reliability.

The closure assembly includes a first closure member and a second closure member for opening and closing the dust suction port, and the dust suction port is gradually reduced from the inside to the outside; the first closure member closes one dust collector When opening, the second closing member opens another suction port, and when the first closing member opens one suction port, the second closing member closes the other suction port; The first closing part and the second closing part can realize the effective control of the dust collector, avoid the aggravated loss of energy caused by the simultaneous operation of the dust collectors on the dust collector, and play a role in reducing energy consumption. The setting can effectively strengthen the suction strength of the dust collector for dust, thereby reducing energy consumption, and effectively enhancing the suction effect on dust, which is very simple and effective.

The connecting piece at one end of the rotating shaft is provided with a third driving member for driving the rotating shaft to rotate, and the connecting piece at the other end of the rotating shaft is provided with a rotating bearing for assisting the rotation of the rotating shaft. The rotating bearings are respectively fixedly connected with a connecting block, and the connecting block is provided with a fourth driving member which is fixedly connected with the fixed shaft. The replacement effect can be achieved through the rotation of the rotating shaft, avoiding the long-term use of the cleaning piece, and reducing the cleaning effect of the solar power generation panel, thereby reducing the replacement time of the cleaning piece and ensuring the cleaning effect of the solar power generation board. The arrangement of the fourth driving member can realize the effect of connecting the cleaning member, so as to facilitate the control of the sealing member by the cleaning member, and ensure the stability and reliability of the structure.

The invention has the following advantages: the automatic cleaning equipment for solar power generation panels used for photovoltaic power generation can achieve the effect of automatic movement through the guide rails through the arrangement of the above structure, so as to facilitate the comprehensive cleaning and dust removal of the solar power generation panels, strengthen the The dust removal effect of solar power panels avoids the labor and trouble of manual operation, reduces harm to human body, and improves the dust removal and cleaning efficiency of solar panels. Energy saving.

Description of drawings

FIG. 1 is a three-dimensional structural diagram of the present invention.

FIG. 2 is a schematic exploded view of the structure of FIG. 1 .

FIG. 3 is an enlarged view of the structure at A in FIG. 2 .

FIG. 4 is an enlarged view of the structure at B in FIG. 2 .

FIG. 5 is an enlarged view of the structure at C in FIG. 2 .

FIG. 6 is an enlarged view of the structure at D in FIG. 2 .

FIG. 7 is an enlarged view of the structure at E in FIG. 2 .

FIG. 8 is an enlarged view of the structure at F in FIG. 2 .

FIG. 9 is a perspective cross-sectional view of FIG. 1 .

FIG. 10 is an enlarged view of the structure at G in FIG. 9 .

FIG. 11 is an enlarged view of the structure at H in FIG. 9 .

Detailed ways

As shown in Figures 1-11, an automatic cleaning device for solar power generation panels for photovoltaic power generation includes a solar power generation panel 1 for power generation and a fixed frame 11 for fixing the solar power generation panel 1. The fixed frame 11 is on the There is a dust removal mechanism for dust removal treatment on the surface of the solar power generation panel 1, the dust removal mechanism includes a dust removal device for removing dust on the surface of the solar power generation panel 1, and a dust removal mechanism for controlling the movement of the dust removal mechanism on the solar power generation panel 1. The guide rail 2 and the dust collecting device for absorbing the dust on the surface of the solar power generation panel 1, through the arrangement of the above structure, the solar power generation panel can achieve the effect of efficient dust removal through the dust removal device and the dust suction device, and avoid water flow Cleaning and dedusting the solar power generation panel effectively saves water resources, avoids the waste of water resources, and at the same time ensures the cleaning and dust removal effect of the solar power generation panel, and it is cleaned automatically without manual operation, which is very environmentally friendly and practical; the above solar power generation The board and the fixed frame are existing products on the market at present, which are the existing technology, and will not be repeated here. The above-mentioned dust removal device can be moved through the guide rail, and the solar power generation board is generally placed obliquely. If it needs to be replaced and cleaned after a certain period of time When the parts are removed, it is very convenient to control the dust removal mechanism to move to the bottom of the solar power panel and replace it manually.

The dust removal device includes a plurality of cleaning parts 31 for cleaning the surface of the solar power generation panel 1 , a support rod 32 for supporting the cleaning parts 31 , and a connecting part 33 for connecting and fixing the cleaning parts 31 . There is a rotating shaft 311 for assisting the rotation of the cleaning member 31. The connecting member 33 is fixedly connected to the cleaning member 31 through the rotating shaft 311. Through the arrangement of the above structure, the solar power generation panel can achieve the effect of dust removal and cleaning through the cleaning member, ensuring that It can effectively improve the cleaning efficiency, and at the same time, the cleaning parts can be rotated at any time, so as to facilitate the replacement of new cleaning parts, avoid the old cleaning parts affecting the effect of dust removal, and avoid the trouble of frequent replacement. , is very simple and practical; the connecting member 33 at one end of the rotating shaft 311 is provided with a third driving member 37 for driving the rotating shaft 311 to rotate, and the connecting member 33 at the other end of the rotating shaft 311 is provided with auxiliary rotation. The rotating bearing 331 for the shaft 311 to rotate, the third driving member 37 and the rotating bearing 331 are respectively fixedly connected to a connecting block 371, and the connecting block 371 is provided with a fourth driving member 38 that is fixedly connected to the fixed shaft 44. The arrangement of the above structure facilitates the rotation of the rotating shaft controlled by the third driving member, so that the cleaning member can be replaced by the rotation of the rotating shaft, avoiding the long-term use of the cleaning member, and reducing the cleaning effect on the solar power generation panel. Therefore, the replacement time of the cleaning element can be reduced, and the cleaning effect of the solar power generation panel can be ensured. The setting of the fourth driving element can realize the connection effect of the cleaning element, so as to facilitate the cleaning element to control the closed assembly and ensure the structural integrity. Stable reliability.

The above-mentioned cleaning member is made of sponge material, the above-mentioned third driving member is set by a motor, which is the prior art, and will not be repeated here, and the above-mentioned fourth driving member is set by a rodless cylinder, which is a prior art, and will not be repeated here. , when the cleaning piece needs to be replaced, the fourth driving piece drives the support rod to move upward through the connecting block, so that the cleaning piece can be rotated, and then the third driving piece controls all the cleaning pieces to start to rotate through the connecting piece, until the new cleaning piece rotates to a fixed position Above the rod, the fourth driving member drives the cleaning member to move downward and insert it into the slot, so as to realize the replacement of the cleaning member. After a certain period of time, the three cleaning members are all used for a certain period of time, and the above-mentioned multiple cleaning members can be manually replaced , replace the new cleaning parts, increase the time interval for replacing the cleaning parts, and reduce the frequency of replacing the cleaning parts.

The dust collector includes a dust collector 41 for allowing the dust on the solar power panel 1 to flow, a closing assembly for opening and closing the dust collector 41, and a first dust collector for absorbing the dust on the solar panel 1 . The driving member 42 and the dust storage box 43 for storing the sucked dust. The dust suction cylinder 41 is provided with two dust suction ports 411 for absorbing dust. The dust suction cylinder 41 is arranged in an arc shape. The setting of the vacuum cleaner enables the vacuum cleaner to pre-absorb a large amount of dust accumulated on the solar power generation panel before the cleaning parts clean the dust on the solar power generation panel, so as to strengthen the dust removal effect on the solar power generation panel and ensure the surface of the solar power generation panel. Cleanliness, and for the setting of the vacuum cleaner, the vacuum cleaner can reciprocately clean the surface of the solar power generation panel, which effectively enhances the cleaning effect of the solar power generation panel; the above-mentioned first driving part is set by an air suction pump, which is the best in the existing The technology, which will not be repeated here, is provided with suction ports on the bottoms of both sides of the above-mentioned vacuum cleaner, which are located on both sides of the cleaning element. The surface is cleaned with dust, and the dust suction port sucks a large amount of dust in front of the cleaning element, and the dust sucked by the first driving element directly enters the dust removal box for storage, waiting for later discharge.

The dust removal device includes a fixing rod 34 for fixing and limiting the cleaning member 31. One end of the fixing rod 34 is provided with a first transmission member 35 for driving the closing assembly to open and close the dust suction cylinder 41. The other end of the fixing rod 34 is fixed on a rotating bearing 341 , the fixing rod 34 is arranged in a flat shape, the cleaning member 31 is provided with an embedding groove 312 engaged with the fixing rod 34 , and the fixing frame 11 is There is a moving slot 111 for the first transmission member 35 to move. Through the arrangement of the above structure, the above-mentioned fixing rod and the cleaning member are arranged in cooperation, which effectively avoids the continuous deflection of the cleaning member, so that the cleaning member can stably generate electricity from solar energy. The panel is dedusted and cleaned to ensure the stability and reliability of the cleaning element when cleaning the solar power generation panel. It is very practical to control the suction, concentrate the suction force of the vacuum cylinder, avoid the waste of suction force when vacuuming, and reduce the loss of energy, which is very practical; For the first closing member 45 and the second closing member 46, the dust suction port 411 is gradually reduced from the inside to the outside; when the first closing member 45 closes one dust suction port 411, the second closing member 46 When the other suction port 411 is opened, when the first closing member 45 opens one suction port 411, the second closing member 46 closes the other suction port 411. Through the arrangement of the above structure, the first closing member and the The second closure can effectively control the dust collector, avoid the aggravated energy loss caused by the simultaneous operation of the dust collector on the dust collector, and play a role in reducing energy consumption, and the setting of the dust collector can effectively It enhances the suction strength of the dust collector for dust, thereby reducing energy consumption and effectively enhancing the suction effect of dust, which is very simple and effective.

In this embodiment, the first transmission member, the second transmission member and the third transmission member are all set by gears, which are in the prior art, and will not be repeated here. Rubber layer, when the cleaning member is inserted into the fixing rod and starts to move to clean the solar power generation panel, the cleaning member will rotate, and the first transmission member will be driven to rotate by the fixing rod, and the rotation of the first transmission member will drive the rotation of the third transmission member. , the rotation of the third transmission member drives the fixed shaft to rotate, so as to drive the first closure member and the second closure member to turn over, so that one suction port is closed and one suction port is opened, so that a single suction port is opened, and the dust removal is completed. absorption.

The first transmission member 35 is provided with a third transmission member 36 for controlling the turning of the closure assembly, the third transmission member 36 is engaged with the first transmission member 35, and the first transmission member 35 and the third transmission member The parts 36 are all movably connected with the connecting frame 27, the closing assembly includes a fixed shaft 44 for supporting the rotation of the closing assembly, and the third transmission member 36 is fixedly connected with the fixed shaft 44. The transmission part can realize the control of the closed assembly through the deflection of the cleaning part, so as to ensure effective dust removal treatment of the dust on the solar power generation panel, and the setting of the fixed shaft facilitates the effective control of the closed assembly by the third transmission part and strengthens the first Stable reliability when the three transmission parts control the closed assembly.

The guide rail 2 is provided with a guide rail groove 21 for guiding and limiting the dust removal mechanism, a guide rack 22 for assisting the movement of the dust removal mechanism, and a fixed housing 23 for fixing the guide rack 22 on the guide rail 2 . , the guide rail groove 21 is provided with a second transmission member 24 for controlling the movement of the dust removal mechanism, and the second transmission member 24 is meshed with the guide rail groove 21 and the guide rack 22 respectively. The effect of directional movement can be achieved through the guide groove, so as to carry out full-coverage dust removal treatment on the surface of the solar power generation panel, strengthen the dust removal effect on the surface of the solar power generation panel, and at the same time, the effect of automatic movement can be achieved, and it can be avoided when not working. At the same time, the surface of the solar power generation panel is blocked to ensure the stable operation of the solar power generation panel; the fixed housing 23 is provided with a sliding groove 231 for assisting the movement of the guide rack 22, and the guide rack 22 is provided with a sliding groove 231. The sliding block 221 matched with the groove 231, the second transmission member 24 is provided with a second driving member 26 for driving the second transmission member 24 to rotate, and the second driving member 26 is arranged on a connecting frame 27, Through the arrangement of the above structure, the guide rack can move on the guide rail with the movement of the first transmission member, so as to facilitate the smooth driving of the dust removal mechanism by the first transmission member, and ensure the smooth movement of the dust removal mechanism on the solar power generation panel. The arrangement of the second driving member is convenient for driving the dust removal mechanism to perform mobile dust removal cleaning on the solar power generation panel, which improves the efficiency of cleaning and dust removal.

The above-mentioned guide rack can be bent and deformed at will, the above-mentioned guide rail groove is provided with a rack, and the above-mentioned second driving member is set by a motor, which is the prior art, and will not be repeated here. When the dust removal mechanism starts to move, the second driving member drives The second transmission member starts to rotate, the second transmission member starts to move along the clamping teeth on the guide rail groove through the meshing with the guide rail groove and the guide rack, and the guide rack moves with the movement of the second transmission member. The rack achieves the effect of moving through the cooperation of the sliding block and the sliding groove, and at the same time avoids falling from the fixed housing, ensuring the stable movement of the second transmission part, and the movement of the second transmission part, so that the dust removal mechanism can pass the guide rail. To achieve the effect of moving.

Claims (6)

1. An automatic cleaning device for a solar power generation panel for photovoltaic power generation comprises a solar power generation panel (1) for power generation and a fixing frame (11) for fixing the solar power generation panel (1); the method is characterized in that: the fixed frame (11) is provided with a dust removal mechanism for removing dust on the surface of the solar power generation panel (1), and the dust removal mechanism comprises a dust removal device for removing dust on the surface of the solar power generation panel (1), a guide rail (2) for controlling the dust removal mechanism to move on the solar power generation panel (1) and a dust collection device for collecting dust on the surface of the solar power generation panel (1);

the dust removal device comprises a plurality of cleaning pieces (31) used for cleaning the surface of the solar power generation panel (1), supporting rods (32) used for supporting the cleaning pieces (31) and connecting pieces (33) used for connecting and fixing the cleaning pieces (31), wherein a rotating shaft (311) used for assisting the cleaning pieces (31) to rotate is arranged on each cleaning piece (31), and each connecting piece (33) is fixedly connected with each cleaning piece (31) through the rotating shaft (311);

the dust collection device comprises a dust collection barrel (41) for dust on the solar power generation panel (1) to flow, a sealing assembly for opening and closing the dust collection barrel (41), a first driving piece (42) for absorbing the dust on the solar power generation panel (1) and a dust storage box (43) for storing the absorbed dust, two dust absorption ports (411) for absorbing the dust are formed in the dust collection barrel (41), and the dust collection barrel (41) is arranged in an arc shape;

the dust collector is including being used for fixing spacing dead lever (34) to clearance piece (31), the one end of dead lever (34) is equipped with and is used for driving first transmission piece (35) that the closing of closing assembly to dust cylinder (41), the other end of dead lever (34) sets firmly on a swivel bearing (341), dead lever (34) are the platykurtic setting, be equipped with embedded groove (312) with dead lever (34) engaged with on clearance piece (31), be equipped with on fixed frame (11) and be used for supplying moving movable groove (111) that first transmission piece (35) removed.

2. The automatic cleaning device for solar panels for photovoltaic power generation according to claim 1, characterized in that: be equipped with on guide rail (2) and be used for leading spacing guide rail groove (21), be used for assisting dust removal mechanism to carry out guide rack (22) that remove and be used for fixing fixed casing (23) on guide rail (2) with guide rack (22), be equipped with second driving medium (24) that are used for controlling dust removal mechanism and remove on guide rail groove (21), second driving medium (24) are connected with guide rail groove (21) and guide rack (22) meshing respectively.

3. The automatic cleaning device for solar panels for photovoltaic power generation according to claim 2, characterized in that: be equipped with on fixed casing (23) and be used for supplementary direction rack (22) to carry out sliding tray (231) that remove, be equipped with on direction rack (22) with sliding tray (231) matched with sliding block (221), be equipped with on second driving medium (24) and be used for driving second driving medium (24) and carry out pivoted second driving piece (26), second driving piece (26) are located on a link (27).

4. The automatic cleaning device for solar panels for photovoltaic power generation according to claim 3, characterized in that: the sealing component is characterized in that a third transmission piece (36) used for controlling the sealing component to turn is arranged on the first transmission piece (35), the third transmission piece (36) is meshed with the first transmission piece (35) and connected with the connecting frame (27), the first transmission piece (35) and the third transmission piece (36) are movably connected with the connecting frame (27), the sealing component comprises a fixed shaft (44) used for supporting the sealing component to rotate, and the third transmission piece (36) is fixedly connected with the fixed shaft (44).

5. The automatic cleaning device for solar panels for photovoltaic power generation according to claim 1, characterized in that: the sealing assembly comprises a first sealing piece (45) and a second sealing piece (46) which are used for opening and closing the dust suction opening (411), and the dust suction opening (411) is arranged in a manner of gradually diminishing from inside to outside; the second closing member (46) opens the other suction port (411) when the first closing member (45) closes the one suction port (411), and the second closing member (46) closes the other suction port (411) when the first closing member (45) opens the one suction port (411).

6. The automatic cleaning device for solar panels for photovoltaic power generation according to claim 4, characterized in that: be equipped with on connecting piece (33) of rotation axis (311) one end and be used for driving rotation axis (311) pivoted third driving piece (37), be equipped with on connecting piece (33) of the rotation axis (311) other end and be used for assisting rotation axis (311) pivoted rolling bearing (331), third driving piece (37) and rolling bearing (331) respectively with a connecting block (371) fixed connection, be equipped with on connecting block (371) with fixed axle (44) fixed connection's fourth driving piece (38).

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