CN210327446U

CN210327446U - Lifting type self-cleaning photovoltaic device capable of automatically adjusting water level

Info

Publication number: CN210327446U
Application number: CN201921075804.2U
Authority: CN
Inventors: 郑琇平
Original assignee: Zhejiang Xinsheng New Energy Technology Co ltd
Current assignee: Zhejiang Xinsheng New Energy Technology Co ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-04-14
Anticipated expiration: 2029-07-10

Abstract

The utility model belongs to the technical field of the photovoltaic, especially, relate to a but over-and-under type self-cleaning photovoltaic device of automatically regulated water level. The utility model discloses a wool ball main part, including the main casing body, the main casing internal photovoltaic hide the chamber, the photovoltaic hide the intracavity and be equipped with the solar PV modules that can follow vertical direction reciprocating linear motion and can follow the rotation in a circumferential direction, the main casing internal still be equipped with the sprinkler head that is used for wasing solar PV modules, sprinkler head bottom be equipped with the water catch bowl. The utility model discloses a set up the liftable and can follow the rotatory solar photovoltaic board of circumference, realized the automatic adjustment of angle, the increase generated energy, more effectual utilization solar energy can carry out self-cleaning to the solar photovoltaic board that produces the dirt dust through the sprinkler head simultaneously, need not artifical the washing, the effectual electrogenesis efficiency that improves the solar photovoltaic board.

Description

Lifting type self-cleaning photovoltaic device capable of automatically adjusting water level

Technical Field

The utility model belongs to the technical field of the photovoltaic, a but over-and-under type self-cleaning photovoltaic device of automatically regulated water level is related to.

Background

The solar photovoltaic panel is a core part in a solar power generation system and is also the most important part in the solar power generation system, the solar photovoltaic panel takes the heat absorbing the solar energy as the only energy source, so the heat of the solar photovoltaic panel receiving the solar energy heat is particularly important, the existing solar photovoltaic panel is generally in a fixed orientation, the change of the illumination direction is large, the conversion efficiency and the conversion power are greatly limited, the use value of the solar photovoltaic panel is greatly reduced, meanwhile, after the solar photovoltaic panel is used for a long time, the surface of the solar photovoltaic panel can be full of dust and sundries, the working efficiency of the solar photovoltaic panel is easily influenced, and manual cleaning is troublesome.

In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a chinese patent discloses an underground lifting solar panel [ application number: 201721348208.8], including a fixed frame, a first slide block, a first slide rail, a second slide rail, etc.; from the bottom up is equipped with first slide rail, second slide rail and backup pad in proper order in the mount, and bilateral symmetry is equipped with first slider on the first slide rail, and first slider middle part is equipped with first motor, is equipped with the reel on the first motor, and it has the fine rule to wind on the reel, and the fine rule links to each other with first slider. The utility model discloses reached easy operation, convenient to use, can effectively protect solar panel's effect, used this equipment can withdraw underground solar panel at night, put ground daytime, can effectively protect solar panel, increase of service life. However, the angle of the solar photovoltaic panel cannot be adjusted, solar energy cannot be utilized to the maximum extent, the solar photovoltaic panel cannot be automatically cleaned, and the power generation efficiency of the solar photovoltaic panel is easily affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a but over-and-under type self-cleaning photovoltaic device of automatically regulated water level is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a but over-and-under type self-cleaning photovoltaic device of automatically regulated water level, includes the main casing body, the main casing internal cavity that is equipped with photovoltaic hides, photovoltaic hide the intracavity be equipped with can follow vertical direction reciprocating linear motion and can follow the rotatory solar PV modules of circumference, the main casing internal sprinkler head that still is equipped with and is used for wasing solar PV modules, sprinkler head bottom be equipped with the water catch bowl.

In the lifting self-cleaning photovoltaic device capable of automatically adjusting the water level, the solar photovoltaic module comprises a displacement block which is arranged in the photovoltaic hidden cavity and can reciprocate linearly along the vertical direction, a rotator is arranged in the displacement block, the top of a rotating shaft of the rotator is connected with a solar photovoltaic panel, and a water level adjusting module capable of automatically adjusting the water level of the water collecting tank is arranged in the water collecting tank.

In the above lifting self-cleaning photovoltaic device capable of automatically adjusting the water level, the water level adjusting assembly comprises a limiting block arranged in a water collecting tank, a water level adjusting sealing block in sliding fit with the limiting block is further arranged in the water collecting tank, a water level adjusting driver is arranged at the top of the water level adjusting sealing block, a power shaft of the water level adjusting driver is connected with the water level adjusting sealing block, the water level adjusting driver is positioned in the inner wall of the top side of the water collecting tank, and a water level meter is further arranged in the water collecting tank.

In the lifting self-cleaning photovoltaic device capable of automatically adjusting the water level, the water collecting tank is connected with a water inlet channel, the top of the water inlet channel is connected with a water replenishing cavity, the position of the water inlet channel corresponds to that of the water level adjusting sealing block, and a sealing pin is arranged on the top side of the water replenishing cavity.

In the lifting self-cleaning photovoltaic device capable of automatically adjusting the water level, the limiting block is U-shaped, the cross-sectional area of the water level adjusting sealing block is larger than that of the water inlet channel, one end of the water level adjusting sealing block is in sliding fit with the limiting block, and the other end of the water level adjusting sealing block is tightly attached to the inner wall of the water collecting tank.

In the lifting self-cleaning photovoltaic device capable of automatically adjusting the water level, a water suction pump is further arranged in the water collection tank, the water suction pump is connected with the sprinkler head through a water pipe, and the water suction pump is located on the side wall of the water collection tank.

In the lifting self-cleaning photovoltaic device capable of automatically adjusting the water level, the bottom of the displacement block is provided with a first driver, a power shaft of the first driver is connected with the displacement block, one end of the displacement block, which is close to the sprinkler head, is in an inclined plane shape, and the bottom of the sprinkler head is also provided with a drainage channel, wherein the drainage channel corresponds to the solar photovoltaic panel.

In the lifting self-cleaning photovoltaic device capable of automatically adjusting the water level, the top of the water collecting tank is connected with a rainwater collecting cavity, an impurity blocking block is arranged in the rainwater collecting cavity and is in sliding connection with the inner wall of the rainwater collecting cavity, and a plurality of water through holes distributed in an annular array mode along the central point of the impurity blocking block are formed in the impurity blocking block.

In the lifting self-cleaning photovoltaic device capable of automatically adjusting the water level, the side part of the water collecting tank is connected with a drain pipe, the horizontal plane of the drain pipe is higher than that of the water inlet channel, and the bottom of the water collecting tank is provided with a mud accumulating movable plate.

In the lifting self-cleaning photovoltaic device capable of automatically adjusting the water level, the top side of the photovoltaic hiding cavity is provided with a protection plate capable of linearly reciprocating along the horizontal direction, the end part of the protection plate is provided with a second driver, and a power shaft of the second driver is connected with the protection plate.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a set up the liftable and can follow the rotatory solar photovoltaic board of circumference, realized the automatic adjustment of angle, the increase generated energy, more effectual utilization solar energy can carry out self-cleaning to the solar photovoltaic board that produces the dirt dust through the sprinkler head simultaneously, need not artifical the washing, the effectual electrogenesis efficiency that improves the solar photovoltaic board.

2. The utility model discloses a set up water level regulating assembly, can ensure that the degree of depth of the water in the water catch bowl keeps a stable interval always, need not artifical regulation water level, and intelligent degree is higher.

3. The utility model discloses a set up the guard plate and move to the right, play the guard action to the solar photovoltaic board, can avoid the solar photovoltaic board to receive the damage at bad weather such as hail, typhoon, improve the life of solar photovoltaic board.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of an impurity block.

Fig. 3 is a schematic structural view of a water level adjustment assembly.

Fig. 4 is a schematic sectional view in the direction of a-a in fig. 1.

In the figure: the solar energy photovoltaic water level adjusting device comprises a main shell 1, a photovoltaic hidden cavity 2, a solar energy photovoltaic component 3, a sprinkler head 4, a water collecting tank 5, a water level adjusting component 6, a displacement block 7, a rotator 8, a solar energy photovoltaic plate 9, a limiting block 10, a water level adjusting sealing block 11, a water level adjusting driver 12, a water level gauge 13, a water inlet channel 14, a water replenishing cavity 15, a water suction pump 16, a water pipe 17, a first driver 18, a water drainage channel 19, a rainwater collecting cavity 20, an impurity blocking block 21, a water through hole 22, a water drainage pipe 23, a protection plate 24, a second driver 25, a sealing pin 30 and a mud accumulating movable plate 31.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in the combined drawing 1, the lifting type self-cleaning photovoltaic device capable of automatically adjusting the water level comprises a main shell 1, a photovoltaic hidden cavity 2 is formed in the main shell 1, a solar photovoltaic module 3 which can reciprocate linearly along the vertical direction and can rotate along the circumferential direction is arranged in the photovoltaic hidden cavity 2, a sprinkler head 4 used for cleaning the solar photovoltaic module 3 is further arranged in the main shell 1, and a water collecting tank 5 is arranged at the bottom of the sprinkler head 4.

In this embodiment, bury main casing body 1 underground, when needs use solar PV modules 3, upwards stretch out ground with solar PV modules 3, and can rotate solar PV modules 3, carry out the automatic adjustment of angle, the increase generated energy, more effectual solar energy that utilizes, when solar PV modules 3 produced the dirt dust, can be to solar PV modules 3 self-cleaning through sprinkler 4, need not artifical washing, effectual improvement solar PV modules 3's the electrogenesis efficiency.

As shown in fig. 1, the solar photovoltaic module 3 includes a displacement block 7 disposed in the photovoltaic hidden cavity 2 and capable of reciprocating in a straight line along a vertical direction, a rotator 8 is disposed in the displacement block 7, a solar photovoltaic panel 9 is connected to the top of a rotation shaft of the rotator 8, and a water level adjusting module 6 capable of automatically adjusting the water level of the water collecting tank 5 is disposed in the water collecting tank 5.

Specific speaking, when needs use solar photovoltaic board 9, with displacement piece 7 upwards removal, drive solar photovoltaic board 9 and move up, simultaneously through starting rotating ware 8, drive solar photovoltaic board 9 through the axis of rotation of rotating ware 8 and rotate for solar photovoltaic board 9 carries out the automatic adjustment of angle, and the increase generated energy, more effective solar energy that utilizes, water level regulating assembly 6 can automatically regulated water level simultaneously.

It will be appreciated by those skilled in the art that the rotator 8 may be a motor or a rotary cylinder.

Referring to fig. 1 and 2, the water level adjusting assembly 6 includes a limiting block 10 disposed in the water collecting tank 5, the water collecting tank 5 is further provided with a water level adjusting sealing block 11 in sliding fit with the limiting block 10, a water level adjusting driver 12 is disposed at the top of the water level adjusting sealing block 11, a power shaft of the water level adjusting driver 12 is connected with the water level adjusting sealing block 11, the water level adjusting driver 12 is disposed in the inner wall of the top side of the water collecting tank 5, and the water collecting tank 5 is further provided with a water level gauge 13.

In this embodiment, the water level gauge 13 may be a liquid level gauge with a display, the water level gauge 13 is electrically connected to the water level adjusting driver 12, the water level of the water collecting tank 5 is known by observing the display of the liquid level gauge, so as to start the adjusting driver 12, and the power shaft through the adjusting driver 12 drives the water level adjusting sealing block 11 to move.

Preferably, a high water level gauge 13 and a low water level gauge 13 are arranged on different horizontal planes in the water collecting tank 5, the high water level gauge 13 and the low water level gauge 13 are electrically connected with a water level adjusting driver 12, when the water level is lower than the low water level gauge 13, the water level adjusting driver 12 is started to drive the water level adjusting sealing block 11 to move upwards, the water discharging process is completed, when the water level is higher than the high water level gauge 13, the water level adjusting driver 12 is started to drive the water level adjusting sealing block 11 to move downwards, the water discharging is stopped, and the depth of the water in the water collecting tank 5 can be kept in a stable interval all the time.

It will be appreciated by those skilled in the art that the level adjustment drive 12 may be a linear motor, and the level gauge 13 may be a commercially available level sensor or time level sensor, such as a PY201 diffusion drop-in level transmitter.

The water collecting tank 5 is connected with a water inlet channel 14, the top of the water inlet channel 14 is connected with a water replenishing cavity 15, the position of the water inlet channel 14 corresponds to that of the water level adjusting sealing block 11, and a sealing pin 30 is arranged on the top side of the water replenishing cavity 15.

In this embodiment, place the water that is used for wasing solar photovoltaic board 9 in the moisturizing chamber 15, when needs are to moisturizing in the moisturizing chamber 15, extract sealed round pin 30, with water pour into moisturizing chamber 15 in can, the water in the moisturizing chamber 15 passes through intake antrum 14 and gets into in the water catch bowl 5.

Referring to fig. 1 and 3, the stopper 10 is U-shaped, the cross-sectional area of the water level adjusting seal block 11 is larger than that of the water inlet channel 14, one end of the water level adjusting seal block 11 is in sliding fit with the stopper 10, and the other end of the water level adjusting seal block 11 is tightly attached to the inner wall of the water collecting tank 5.

In this embodiment, stopper 10 can play limiting displacement to water level adjustment sealing block 11, and water level adjustment sealing block 11 one end and stopper 10 looks sliding fit, and the water level adjustment sealing block 11 other end is hugged closely with 5 inner walls of water catch bowl mutually, and the cover is equipped with the sealing washer on the water level adjustment sealing block 11, plays sealed effect, and water inlet channel 14 can be plugged up to water level adjustment sealing block 11, can make the water in the moisturizing chamber 15 no longer enter into to the water catch bowl 5 in.

The water collecting tank 5 in still be equipped with suction pump 16, suction pump 16 be connected through water pipe 17 with sprinkler 4, suction pump 16 be located the water collecting tank 5 lateral wall.

In this embodiment, when the solar photovoltaic panel 9 needs to be cleaned, the water pump 16 is started, water is conveyed into the sprinkler head 4 through the water pipe 17, the solar photovoltaic panel 9 is automatically cleaned through the sprinkler head 4 without manual cleaning, the degree of automation is high, time and labor are saved, and the water pump 16 is located on the side wall of the water collection tank 5, so that silt at the bottom of the water collection tank 5 can be prevented from being sucked into the sprinkler head 4.

The bottom of the displacement block 7 is provided with a first driver 18, a power shaft of the first driver 18 is connected with the displacement block 7, one end of the displacement block 7, which is close to the sprinkler head 4, is in an inclined plane shape, the bottom of the sprinkler head 4 is also provided with a drainage channel 19, and the drainage channel 19 corresponds to the solar photovoltaic panel 9.

In this embodiment, when displacement block 7 and solar photovoltaic board 9 need be removed, start first driver 18, the power shaft through first driver 18 drives and removes displacement block 7 and solar photovoltaic board 9 and remove, and the water after the washing can flow in to drainage channel 19 through the inclined plane of displacement block 7, and drainage channel 19 connects outside wastewater disposal basin, discharges waste water.

It will be appreciated by those skilled in the art that the first actuator 18 may be an air cylinder, an oil cylinder or a linear motor.

Referring to fig. 1 and 2, the top of the water collecting tank 5 is connected with a rainwater collecting chamber 20, a impurity blocking block 21 is arranged in the rainwater collecting chamber 20, the impurity blocking block 21 is connected with the inner wall of the rainwater collecting chamber 20 in a sliding manner, and a plurality of water through holes 22 distributed in an annular array manner along the central point of the impurity blocking block 21 are arranged in the impurity blocking block 21.

Specifically speaking, when raining, rainwater enters the rainwater collection cavity 20, the impurity blocking block 21 plays a role in blocking sundries and garbage, rainwater flows into the water collecting tank 5 through the water through holes 22, water resources are saved, when sundries of the impurity blocking block 21 need to be removed, the impurity blocking block 21 is taken out of the rainwater collection cavity 20, the sundries are removed, and then the impurity blocking block 21 is placed back to the original position.

Referring to fig. 1 and 4, a drainage pipe 23 is connected to a side portion of the water collection tank 5, a horizontal surface of the drainage pipe 23 is higher than a horizontal surface of the water inlet channel 14, and a mud collecting movable plate 31 is disposed at a bottom of the water collection tank 5.

In this embodiment, when the surface of water catch bowl 5 is higher than drain pipe 23, can be higher than the log raft play of drain pipe 23 in the water catch bowl 5 through drain pipe 23, prevent that the water in the water catch bowl 5 from overflowing, avoid the device to intake, reduce the fault rate, when the silt of water catch bowl 5 bottom is got rid of to needs, can take out main casing body 1, after getting rid of the silt on long-pending mud fly leaf 31 again main casing body 1 reset can.

The top side of the photovoltaic hidden cavity 2 is provided with a protection plate 24 capable of performing reciprocating linear motion along the horizontal direction, the end part of the protection plate 24 is provided with a second driver 25, and a power shaft of the second driver 25 is connected with the protection plate 24.

In this embodiment, when need not use solar photovoltaic board 9, start second driver 25, the power shaft through second driver 25 drives protection plate 24 and moves to the right, covers solar photovoltaic board 9, plays the guard action to solar photovoltaic board 9, can avoid solar photovoltaic board 9 to receive the damage in bad weather such as hail, typhoon, improves the life of solar photovoltaic board 9.

It will be appreciated by those skilled in the art that the second actuator 25 may be an air cylinder, a hydraulic cylinder or a linear motor.

The utility model discloses a theory of operation is:

the main housing 1 is buried in the ground, and when it is necessary to use the solar photovoltaic panel 9, the first driver 18 is activated, the power shaft of the first driver 18 drives the movable displacement block 7 and the solar photovoltaic panel 9 to extend upwards out of the ground, the rotator 8 is started, the solar photovoltaic panel 9 is driven to rotate by the rotating shaft of the rotator 8, so that the solar photovoltaic panel 9 can automatically adjust the angle, increase the generating capacity, more effectively utilize the solar energy, when the solar photovoltaic panel 9 generates dirt and dust, the water pump 16 is started, water is conveyed into the sprinkler head 4 through the water pipe 17, automatic cleaning of the solar photovoltaic panel 9 is completed through the sprinkler head 4, manual cleaning is not needed, the automation degree is high, time and labor are saved, the electricity generation efficiency of the solar photovoltaic module 3 is effectively improved, and the water suction pump 16 is located on the side wall of the water collection tank 5, so that the situation that silt at the bottom of the water collection tank 5 is sucked into the sprinkler head 4 can be avoided.

A high water level gauge 13 and a low water level gauge 13 are arranged on different horizontal planes in the water collecting tank 5, the high water level gauge 13 and the low water level gauge 13 are electrically connected with a water level adjusting driver 12, when the water level is lower than the low water level gauge 13, the water level adjusting driver 12 is started to drive the water level adjusting sealing block 11 to move upwards, so that the water level adjusting sealing block 11 moves to the upper side of the water inlet channel 14, water in the water replenishing cavity 15 is put into the water collecting tank 5 through the water inlet channel 14, the water discharging process is completed, when the water level is higher than the high water level gauge 13, the water level adjusting driver 12 is started to drive the water level adjusting sealing block 11 to move downwards, the water inlet channel 14 is blocked through the water level adjusting sealing block 11, the water discharging is stopped, and the depth of the water in the water collecting tank 5 can be kept in a stable interval all the time.

When raining, rainwater enters the rainwater collection cavity 20, the impurity blocking block 21 plays a role in blocking sundry garbage, rainwater flows into the water collecting tank 5 through the water through holes 22, water resources are saved, when sundries of the impurity blocking block 21 need to be removed, the impurity blocking block 21 is taken out of the rainwater collection cavity 20, the sundries are removed, and then the impurity blocking block 21 is put back to the original position.

When not needing to use solar photovoltaic board 9, start second driver 25, the power shaft through second driver 25 drives protection plate 24 and moves to the right, covers solar photovoltaic board 9, plays the guard action to solar photovoltaic board 9, can avoid solar photovoltaic board 9 to receive the damage in bad weather such as hail, typhoon, improves the life of solar photovoltaic board 9.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the spirit of the invention.

Although terms such as the main housing 1, the photovoltaic hidden cavity 2, the solar photovoltaic module 3, the sprinkler 4, the water collection tank 5, the water level adjustment module 6, the displacement block 7, the rotator 8, the solar photovoltaic panel 9, the stopper 10, the water level adjustment sealing block 11, the water level adjustment actuator 12, the water level gauge 13, the water inlet channel 14, the water supplement cavity 15, the water pump 16, the water pipe 17, the first actuator 18, the water discharge passage 19, the rainwater collection cavity 20, the impurity blocking block 21, the water through hole 22, the water discharge pipe 23, the protection plate 24, the second actuator 25, the sealing pin 30, the sludge accumulation movable plate 31, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. The utility model provides a but over-and-under type self-cleaning photovoltaic device of automatically regulated water level, includes main casing body (1), its characterized in that, main casing body (1) in be equipped with photovoltaic hidden chamber (2), photovoltaic hidden chamber (2) in be equipped with can follow vertical direction reciprocating linear motion and can follow circumference rotatory solar PV modules (3), main casing body (1) in still be equipped with sprinkler head (4) that are used for wasing solar PV modules (3), sprinkler head (4) bottom be equipped with water catch bowl (5).

2. The lifting type self-cleaning photovoltaic device capable of automatically adjusting the water level according to claim 1, wherein the solar photovoltaic module (3) comprises a displacement block (7) which is arranged in the photovoltaic hidden cavity (2) and can reciprocate in a linear manner along a vertical direction, a rotator (8) is arranged in the displacement block (7), a solar photovoltaic panel (9) is connected to the top of a rotating shaft of the rotator (8), and a water level adjusting module (6) capable of automatically adjusting the water level of the water collecting tank (5) is arranged in the water collecting tank (5).

3. The lifting self-cleaning photovoltaic device capable of automatically adjusting the water level according to claim 2, wherein the water level adjusting assembly (6) comprises a limiting block (10) arranged in the water collecting tank (5), a water level adjusting sealing block (11) in sliding fit with the limiting block (10) is further arranged in the water collecting tank (5), a water level adjusting driver (12) is arranged at the top of the water level adjusting sealing block (11), a power shaft of the water level adjusting driver (12) is connected with the water level adjusting sealing block (11), the water level adjusting driver (12) is arranged in the inner wall of the top side of the water collecting tank (5), and a water level meter (13) is further arranged in the water collecting tank (5).

4. The lifting type self-cleaning photovoltaic device capable of automatically adjusting the water level according to claim 3, characterized in that the water collecting tank (5) is connected with a water inlet channel (14), the top of the water inlet channel (14) is connected with a water replenishing cavity (15), the position of the water inlet channel (14) corresponds to that of the water level adjusting sealing block (11), and the top side of the water replenishing cavity (15) is provided with a sealing pin (30).

5. The lifting self-cleaning photovoltaic device capable of automatically adjusting the water level according to claim 4, wherein the limiting block (10) is U-shaped, the cross-sectional area of the water level adjusting sealing block (11) is larger than that of the water inlet channel (14), one end of the water level adjusting sealing block (11) is in sliding fit with the limiting block (10), and the other end of the water level adjusting sealing block (11) is attached to the inner wall of the water collecting tank (5).

6. The lifting type self-cleaning photovoltaic device capable of automatically adjusting the water level according to claim 1, characterized in that a water pump (16) is further arranged in the water collection tank (5), the water pump (16) is connected with the sprinkler head (4) through a water pipe (17), and the water pump (16) is positioned on the side wall of the water collection tank (5).

7. The lifting type self-cleaning photovoltaic device capable of automatically adjusting the water level according to claim 2, characterized in that a first driver (18) is arranged at the bottom of the displacement block (7), a power shaft of the first driver (18) is connected with the displacement block (7), one end of the displacement block (7) close to the sprinkler head (4) is in an inclined plane shape, a drainage channel (19) is further arranged at the bottom of the sprinkler head (4), and the drainage channel (19) corresponds to the position of the solar photovoltaic panel (9).

8. The lifting type self-cleaning photovoltaic device capable of automatically adjusting the water level according to claim 2, wherein a rainwater collection chamber (20) is connected to the top of the water collection tank (5), a impurity blocking block (21) is arranged in the rainwater collection chamber (20), the impurity blocking block (21) is slidably connected with the inner wall of the rainwater collection chamber (20), and a plurality of water through holes (22) are formed in the impurity blocking block (21) and distributed in an annular array along the central point of the impurity blocking block (21).

9. The lifting type self-cleaning photovoltaic device capable of automatically adjusting the water level according to claim 4, characterized in that a drain pipe (23) is connected to the side of the water collecting tank (5), the level of the drain pipe (23) is higher than that of the water inlet channel (14), and a mud accumulating movable plate (31) is arranged at the bottom of the water collecting tank (5).

10. The lifting type self-cleaning photovoltaic device capable of automatically adjusting the water level according to claim 1, characterized in that a protection plate (24) capable of reciprocating and linearly moving along the horizontal direction is arranged on the top side of the photovoltaic hidden cavity (2), a second driver (25) is arranged at the end part of the protection plate (24), and a power shaft of the second driver (25) is connected with the protection plate (24).