CN117206235A - An automatic cleaning device and photovoltaic street lamp - Google Patents

Abstract

The invention belongs to the technical field of street lights, and discloses an automatic cleaning device and a photovoltaic street light, which include a light pole installed on the ground. The upper end of the light pole is rotated with a top cover, and the upper end of the top cover is fixed with a mounting bracket. One of the mounting brackets A movable frame for fixing photovoltaic panels is rotated at the side opening. Z-shaped plates are fixed on both sides of the upper end of the movable frame. One end of the Z-shaped plate on one side of the movable frame is fixed with a driving mechanism for driving the movement of the high-voltage box. In the equipment compartment A high-pressure jet mechanism for pumping gas and a water spray mechanism for pumping water are respectively fixed on both sides of the bottom of the cavity. The high-pressure jet mechanism is adapted to the high-pressure box, and the water spray mechanism is adapted to the water collection tank. When cleaning the surface of the photovoltaic panel, the gas ejection pressure is adjustable and flexibly contacts the surface of the photovoltaic panel. Even if it is used for a long time, it will not cause wear to the surface and improve the light conversion efficiency.

Description

An automatic cleaning device and photovoltaic street lamp

Technical field

The invention belongs to the technical field of street lamps, specifically automatic cleaning devices and photovoltaic street lamps.

Background technique

With the deterioration of the environment and the deepening of human environmental awareness, photovoltaic power generation, as one of the main green energy sources, has become more and more widely used. This technology has also been applied to street lighting equipment. Photovoltaic power generation is the process of converting light energy into electrical energy. , meteorological conditions are the biggest factor restricting photovoltaic power generation, followed by the cleanliness of photovoltaic panels, which restricts power generation.

The lighting lamps and photovoltaic panels of existing photovoltaic street lamps are generally separated. Due to the dusty weather after rain, dust will adhere to the surface of the photovoltaic panels, affecting the light conversion efficiency. The existing cleaning device sprays water to moisten the dust and then brushes it. Clean the surface, because when the brush rotates, it will drive the solid particles on the surface to rub against the surface of the photovoltaic panel, which will cause the surface of the photovoltaic panel to wear, thereby affecting light conversion and affecting the efficiency of power generation.

Contents of the invention

In order to solve the problems raised in the above background art, the present invention provides an automatic cleaning device and a photovoltaic street light, which have the advantage that when cleaning the surface of the photovoltaic panel, the surface will not be worn even if used for a long time.

In order to achieve the above object, the present invention provides the following technical solution: an automatic cleaning device includes a light pole installed on the ground. The upper end of the light pole is rotated with a top cover, and the upper end of the top cover is fixed with a mounting bracket. A movable frame for fixing photovoltaic panels is rotated at the opening on one side of the frame. Z-shaped plates are fixed on both sides of the upper end of the movable frame. When the movable frame is folded inside the mounting frame, the Z-shaped plates limit it. Located horizontally, one end of the Z-shaped plate on one side of the movable frame is fixed with a driving mechanism for driving the movement of the high-pressure box. The upper end of the driving high-pressure box is fixed with a water collecting box for water spraying. The connection between the high-pressure box and the water collecting box There are several nozzles connected and fixed on the surface, and the nozzles are set at a certain angle with the surface of the photovoltaic panel;

An equipment warehouse is provided at the upper end of the lamp pole. A high-pressure jet mechanism for pumping gas and a water jet mechanism for pumping water are respectively fixed on both sides of the bottom of the inner cavity of the equipment warehouse. The high-pressure jet mechanism is adapted to the high-pressure box. , the water spray mechanism is adapted to the water collecting tank.

In the above technical solution, preferably, the driving mechanism includes a micro motor fixed at the end of the Z-shaped plate, and a lead screw movable through both ends of the chute on one side of the Z-shaped plate, and the output shaft of the micro motor is movable. It is inserted into the side wall of the Z-shaped plate and fixed with one end of the screw through a coupling.

In the above technical solution, preferably, the high-pressure jet mechanism includes an air pump fixed at the bottom of the inner cavity of the equipment compartment. The air inlet end of the air pump is connected and fixed with a suction pipe and extends through the side wall of the lamp pole to the outside. An exhaust pipe is connected and fixed between the air outlet end of the air pump and the high-pressure box, and the exhaust pipe penetrates the side wall of the fixed light pole.

In the above technical solution, preferably, the water spray mechanism includes a water pump fixed at the bottom of the inner cavity of the equipment warehouse and parallel to the air pump. A drainage pipe is connected and fixed between the water outlet end of the water pump and the water collecting tank, and the drainage pipe is fixed and penetrated. On the side wall of the light pole, a water outlet pipe is connected and fixed to the water outlet end of the water pump.

In the above technical solution, preferably, the water pumping pipe extends through the bottom plate of the equipment warehouse to the bottom of the water tank inside the light pole, and the water tank is located directly below the equipment warehouse.

In the above technical solution, preferably, a motor is fixed in the middle of the bottom of the inner cavity of the equipment compartment, the output shaft of the motor is fixedly connected to the lower end of the top cover, and the mounting bracket is located on one side of the drainage pipe and is used to fix the drainage pipe. As well as a fixing frame for the exhaust pipe, the drainage pipe and the exhaust pipe are both telescopic hoses.

In the above technical solution, preferably, the opening on one side of the mounting frame and the movable frame are rotated through a rotating shaft. There are accommodation grooves for accommodating electric cylinders on both sides of the middle part of the lower end of the movable frame. The mounting frame is away from the rotating shaft. Movable seats are fixed between both sides and one end of the accommodating groove close to the rotating shaft. The middle portions of the two movable seats and both ends of the electric cylinder are rotated by pins.

In the above technical solution, preferably, the light pole is located on one side of the water tank and has a water collection pipe connected with the water tank. The water collection pipe is located at the opening of the upper end of the outside of the light pole and is fixed with screws for filtering. of filter.

The photovoltaic street lamp includes a lighting lamp fixed on the upper end of the surface of the lamp pole for lighting, and the above-mentioned automatic cleaning device for cleaning dust.

Compared with the prior art, the beneficial effects of the present invention are as follows:

The invention uses a water pump to pump out the rainwater collected in the water tank through a water pumping pipe, and then discharges it into the water collecting tank through the drainage pipe. The water inside the water collecting tank is sprayed out from the nozzle. The water spraying mechanism works in front of the high-pressure spraying mechanism, so that the water will The dust on the surface of the photovoltaic panel is fully soaked, and the water sprayed from the nozzle has kinetic energy to remove large particles of impurities on the surface of the photovoltaic panel, which acts as a preliminary cleaning.

The air pump of the present invention inhales and pressurizes outside air through the suction pipe and pumps it into the exhaust pipe and into the high-pressure box. The high-pressure gas is sprayed out through the nozzles. There are many nozzles, and the spray range can cover the surface of the photovoltaic panel. The impact force of the gas ejected through the nozzle can clean the dirt on the surface of the photovoltaic panel after it is soaked. Compared with brush cleaning, gas cleaning is gentler when it comes into contact with the surface of the photovoltaic panel and will not be mixed with stones. Therefore, the photovoltaic panels after cleaning by this automatic cleaning device The smooth surface of the plate without scratches can improve the light conversion efficiency.

Description of the drawings

Figure 1 is a three-dimensional schematic diagram of the street lamp and cleaning device of the present invention;

Figure 2 is a schematic cross-sectional view of the street lamp and cleaning device of the present invention;

Figure 3 is a schematic top view of the high-pressure jet mechanism and water spray mechanism of the present invention;

Figure 4 is an expanded schematic diagram of the movable frame and the mounting frame of the present invention;

Figure 5 is an expanded schematic diagram of the electric cylinder and accommodating tank of the present invention;

Figure 6 is an enlarged schematic diagram of the driving mechanism of the present invention;

Figure 7 is a schematic diagram of the connection between the water collecting tank and the high pressure tank of the present invention.

In the picture: 1. Light pole; 2. Driving mechanism; 21. Lead screw; 22. Micro motor; 3. High-pressure jet mechanism; 31. Air pump; 32. Suction pipe; 33. Exhaust pipe; 4. Fixed frame; 5. Water spray mechanism; 51. Water pumping pipe; 52. Drainage pipe; 53. Water pump; 6. Photovoltaic panels; 7. Movable frame; 8. Installation frame; 9. Electric cylinder; 91. Movable seat; 10. Water collecting pipe; 11. Electric motor; 12. Top cover; 13. Equipment warehouse; 14. Water tank; 15. Water collection tank; 16. Z-shaped plate; 161. Chute; 17. High-pressure box; 18. Nozzle; 19. Accommodation tank; 20. Lighting.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

As shown in Figures 1 to 7, the present invention provides an automatic cleaning device, which includes installing a light pole 1 on a concrete floor through screws. The upper end of the light pole 1 is rotated with a top cover 12, and a mounting bracket 8 is welded to the upper end of the top cover 12. The opening on one side of the mounting frame 8 is provided with a movable frame 7 for fixing the photovoltaic panel 6 through a rotating shaft. The photovoltaic panel 6 is embedded in the upper end of the movable frame 7, and its end face is slightly higher than the end faces on both sides of the movable frame 7;

Z-shaped plates 16 are fixed with screws on both sides of the upper end of the movable frame 7, and when the movable frame 7 is folded inside the mounting frame 8, the Z-shaped plates 16 limit it so that it is horizontal. The Z-shaped plate 16 on one side of the movable frame 7 One end is fixed with a driving mechanism 2 for driving the movement of the high-pressure box 17. The upper end of the driving high-pressure box 17 is fixed with a water collection tank 15 for water spraying through screws.

The high-pressure tank 17 and the water collecting tank 15 are hollow boxes that can store gas or liquid so that the gas or liquid generates pressure due to accumulation;

Several nozzles 18 are connected and fixed on the surface of the high-pressure box 17 and the water collection tank 15, and the nozzles 18 are arranged at a certain angle with the surface of the photovoltaic panel 6; the angle can be 45 degrees, so that when the gas or water is sprayed on the surface of the photovoltaic panel 6, it has a certain The surface dust can be cleaned while applying pressure. The angle is set according to whether the photovoltaic panel 6 has an inclination angle when it is installed. There is an equipment warehouse 13 at the upper end of the lamp pole 1. There are gas pumps for pumping gas on both sides of the bottom of the equipment warehouse 13. The high-pressure jet mechanism 3 and the water jet mechanism 5 for pumping water are adapted to the high-pressure box 17, the water jet mechanism 5 is adapted to the water collection tank 15, and the motor 11 is fixed with screws in the middle of the bottom of the equipment compartment 13. , the output shaft of the electric motor 11 is threadedly fixed to the lower end of the top cover 12, and the middle part of the two movable seats 91 and both ends of the electric cylinder 9 are rotated by pins.

Among them, the micro motor 22, the air pump 31, the water pump 53, the electric cylinder 9, and the electric motor 11 are existing technologies, and their structural principles will not be described in detail. The present invention also includes power supply, switch, controller, communication module and other devices, because it is not The main techniques will not be described in detail. When the switch is opened, the power supply passes through the wire and the controller energizes the electrical device of the present invention, and the user can perform remote operation through the communication module.

The motor 11 drives the top cover 12 to rotate, so that the photovoltaic panel 6 can rotate following the position of the sun. At the same time, the electric cylinder 9 pushes the movable frame 7 to rotate on the side of the mounting frame 8, so that the photovoltaic panel 6 is tilted at a certain angle and aligned with the position of the sun. The sun is vertical. It should be noted that the length of the exhaust pipe 33 and the drainage pipe 52 is set enough to allow the photovoltaic panel 6 to rotate 360 degrees, otherwise it will interfere and affect the light conversion;

The photovoltaic panel 6 needs to be cleaned regularly. During cleaning, the photovoltaic panel 6 needs to be tilted so that sewage and dust can flow out and be cleaned faster. First, the water pump 53 is powered on and the rainwater collected in the water tank 14 is pumped through the water pipe 51 It is extracted and then discharged into the water collection tank 15 through the drainage pipe 52, and is accumulated inside to generate pressure. The water inside the water collection tank 15 is sprayed out from the nozzle 18. It should be noted that the water spray mechanism 5 is before the high-pressure jet mechanism 3 Work to make the water fully soak the dust on the surface of the photovoltaic panel 6 for easy cleaning;

Then, the air pump 31 is energized to work, sucking in and pressurizing the outside air through the suction pipe 32 and pumping it into the exhaust pipe 33, and enters the high-pressure tank 17 to accumulate pressure to generate pressure. The high-pressure gas is ejected through the nozzle 18. Because the nozzle 18 Several are arranged at equal intervals, and their spray range can cover the surface of the photovoltaic panel 6 without the problem of cleaning dead corners. The impact force of the gas ejected through the nozzle 18 can clean the dirt after soaking on the surface of the photovoltaic panel 6. The micro motor 22 drives the screw 21 to rotate, thereby driving the high-voltage box 17 to slide in the chute 161 of the Z-shaped plate 16, and then driving the high-voltage box 17 to move slowly on the surface of the photovoltaic panel 6 to clean the photovoltaic panel 6. It should be noted that, The distance between the nozzle 18 of the high-pressure box 17 and the surface of the photovoltaic panel 6 cannot be too close, otherwise the surface protective layer of the photovoltaic panel 6 will be damaged under the gas impact force. The gas pressure needs to be appropriate. The present invention uses gas and water to clean the surface of the photovoltaic panel 6 When cleaning, the gas ejection pressure is adjustable and flexibly contacts the surface of the photovoltaic panel 6, and will not cause wear to the surface even if it is used for a long time.

As shown in Figures 4 and 6, the driving mechanism 2 includes a micro motor 22 fixed at the end of the Z-shaped plate 16, and a lead screw 21 movably inserted at both ends of the chute 161 on one side of the Z-shaped plate 16. The micro motor 22 The output shaft movablely penetrates the side wall of the Z-shaped plate 16, and is fixed with one end of the lead screw 21 through a coupling.

Adopt the above solution: the micro motor 22 is energized and its output shaft drives the screw 21 to rotate through the coupling, thereby driving the high-voltage box 17 to move in the chute 161. The chute 161 limits and guides the movement of the high-voltage box 17 so that it can move according to the Preset route movement.

As shown in Figure 6, the high-pressure jet mechanism 3 includes an air pump 31 fixed at the bottom of the inner cavity of the equipment compartment 13. The air inlet end of the air pump 31 is fixed with a suction pipe 32 through a clamp and extends through the side wall of the light pole 1 to the outside. An exhaust pipe 33 is fixed between the air outlet end of the air pump 31 and the high-pressure box 17 through a clamp, and the exhaust pipe 33 penetrates the side wall of the fixed light pole 1 .

Adopt the above solution: the position where the exhaust pipe 33 penetrates the side wall of the light pole 1 needs to be sealed to prevent water from entering the equipment compartment 13 and causing damage to the device when viewed from above. The air pump 31 is powered on and sucks in external air through the suction pipe 32 and pressurizes it. The gas is pumped into the exhaust pipe 33 and transported through the exhaust pipe 33 into the high-pressure tank 17 to accumulate pressure, and the high-pressure gas is ejected through the nozzle 18 .

As shown in Figures 1, 2, and 3, the water spray mechanism 5 includes a water pump 53 fixed at the bottom of the inner cavity of the equipment warehouse 13 and parallel to the air pump 31. A drain pipe is fixed between the water outlet end of the water pump 53 and the water collection tank 15 through a clamp. 52, and the drainage pipe 52 penetrates the side wall of the fixed light pole 1. The water outlet end of the water pump 53 is fixed with a water pipe 51 through a clamp. The water pipe 51 penetrates the bottom plate of the equipment warehouse 13 and extends to the bottom of the water tank 14 inside the light pole 1. The warehouse 14 is located directly below the equipment warehouse 13. The mounting bracket 8 is located on the side of the drainage pipe 52 and is fixed with a fixing frame 4 for fixing the drainage pipe 52 and the exhaust pipe 33. Both the drainage pipe 52 and the exhaust pipe 33 are telescopic. of hose.

Adopt the above solution: the power supply supplies power to the water pump 53 through wires, and the internal impeller of the water pump 53 rotates to pump out the rainwater collected in the water tank 14 through the water pumping pipe 51 and then discharges it into the water collection tank 15 through the drainage pipe 52, and accumulates inside it to generate pressure. , the water inside the water collecting tank 15 is sprayed from the nozzle 18. Since the drainage pipe 52 and the exhaust pipe 33 are retractable hoses, the drainage pipe 52 and the exhaust pipe can be driven when the water collecting tank 15 and the high pressure tank 17 move. 33 deforms to prevent interference. At the same time, when the mounting bracket 8 rotates, the drain pipe 52 and the exhaust pipe 33 can also move. The hose can be a bellows with the ability to expand and contract.

As shown in Figures 1, 2, 4, and 5, the opening on one side of the mounting frame 8 is rotated with the movable frame 7 through a rotating shaft. There are accommodation slots 19 for accommodating the electric cylinder 9 on both sides of the middle part of the lower end of the movable frame 7. The mounting frame Movable seats 91 are fixed between the two sides of 8 away from the rotating shaft and the end of the accommodating groove 19 close to the rotating shaft.

Using the above solution: when the angle of the photovoltaic panel 6 needs to be adjusted, the telescopic end of the electric cylinder 9 is powered on and extends through the movable seat 91 to drive the movable frame 7 to rotate with the rotating shaft on one side of the mounting frame 8 as the rotation axis, thereby adjusting the photovoltaic panel 6 the rotation angle;

When the photovoltaic panel 6 shrinks, the electric cylinder 9 will enter the two receiving grooves 19 on the back of the movable frame 7. In order to self-clean the photovoltaic panel 6 on rainy days, the photovoltaic panel 6 will be slightly left in the contracted state. The tilt angle prevents rainwater from staying on its surface, or rainwater washes away dust and drains it under the action of gravity.

As shown in Figures 1 and 2, the light pole 1 is located on one side of the water tank 14 and has a water collection pipe 10 connected with the water tank 14. The water collection pipe 10 is located at the opening of the upper end of the outside of the light pole 1 and is fixed with a filter for filtering through screws. net.

Adopt the above solution: on rainy days, the water collecting pipe 10 can collect rainwater and store it in the water tank 14 for subsequent cleaning. At the same time, the filter screen can prevent leaves and other solids from entering the water tank 14, affecting the water quality, or being blocked. Pipes, affecting use.

The photovoltaic street light includes a lighting lamp 20 fixed on the upper surface of the light pole 1 for lighting. The above-mentioned automatic cleaning device is part of the surface fixation device of the light pole 1 .

Street lamps are installed on both sides of the road to provide lighting, and the automatic cleaning device can improve the conversion efficiency of the photovoltaic panels 6 of the photovoltaic street lamps, thereby providing continuous electric energy for the street lamps.

The working principle and usage process of the present invention: install the light pole 1 on the concrete ground with screws, turn on the switch, the present invention is also provided with an auxiliary power supply to supply power to the grid, and the power supply passes through the wire and the controller to make the motor 11 work, and the motor 11 The top cover 12 is driven to rotate, so that the photovoltaic panels can rotate following the position of the sun. At the same time, the electric cylinder 9 pushes the movable frame 7 to rotate on the side of the mounting frame 8, so that the photovoltaic panels 6 tilt at a certain angle and are perpendicular to the sun. Increase the light conversion efficiency of photovoltaic street lights;

When cleaning the photovoltaic panel 6, the photovoltaic panel 6 needs to be tilted. First, the water pump 53 pumps out the rainwater collected in the water tank 14 through the water pumping pipe 51 and then discharges it into the water collection tank 15 through the drainage pipe 52. The water inside the water collection tank 15 comes from It is sprayed out from the nozzle 18. It should be noted that the water spray mechanism 5 works before the high-pressure jet mechanism 3, so that the water can fully soak the dust on the surface of the photovoltaic panel 6;

Then, the air pump 31 inhales and pressurizes the outside air through the suction pipe 32 and pumps it into the exhaust pipe 33 and into the high-pressure box 17. The high-pressure gas is ejected through the nozzle 18, because the nozzle 18 is provided with equal intervals. Several, the spray range can cover the surface of the photovoltaic panel 6, the impact force of the gas ejected through the nozzle 18 can clean the dirt after the surface of the photovoltaic panel 6 is soaked, the micro motor 22 drives the screw 21 to rotate, thereby driving the high pressure box 17 to The Z-shaped plate 16 slides in the chute 161, thereby driving the high-voltage box 17 to move slowly on the surface of the photovoltaic panel 6, thereby cleaning the entire photosensitive part of the photovoltaic panel 6. The present invention uses gas and water to clean the surface of the photovoltaic panel 6. When cleaning the surface of the photovoltaic panel 6, the gas ejection pressure is adjustable and flexibly contacts the surface of the photovoltaic panel 6. It will not cause wear to the surface even if it is used for a long time. The surface of the photovoltaic panel 6 is smooth and has no scratches, which can improve the light conversion efficiency. , the water collecting pipe 10 can collect rainwater and store it in the water tank 14 on rainy days for subsequent cleaning, so that the cleaning device can be used for a long time.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations are mutually exclusive. any such actual relationship or sequence exists between them. Furthermore, the terms "comprises," "comprises," or any other variations thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also those not expressly listed other elements, or elements inherent to the process, method, article or equipment.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principles and spirit of the invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (9)

1. An automatic cleaning device, characterized in that it includes a light pole (1) installed on the ground. The upper end of the light pole (1) is rotatably provided with a top cover (12), and the upper end of the top cover (12) is fixed. A mounting bracket (8) is provided, and a movable frame (7) for fixing the photovoltaic panel (6) is rotated at the opening on one side of the mounting frame (8). There are fixed mounting brackets (7) on both sides of the upper end of the movable frame (7). Z-shaped plate (16), and when the movable frame (7) is folded inside the installation frame (8), the Z-shaped plate (16) limits it so that it is horizontal, and the Z-shaped plate on one side of the movable frame (7) One end of the plate (16) is fixed with a driving mechanism (2) for driving the high-pressure box (17) to move. The upper end of the driving high-pressure box (17) is fixed with a water collection tank (15) for water spraying. The high-pressure box (17) 17) Several nozzles (18) are connected and fixed to the surface of the water collection tank (15), and the nozzles (18) are arranged at a certain angle with the surface of the photovoltaic panel (6); An equipment warehouse (13) is provided at the upper end of the lamp pole (1). A high-pressure jet mechanism (3) for pumping gas and a water spray for pumping water are fixed on both sides of the bottom of the inner cavity of the equipment warehouse (13). Mechanism (5), the high-pressure jet mechanism (3) is adapted to the high-pressure tank (17), and the water spray mechanism (5) is adapted to the water collecting tank (15). 2. The automatic cleaning device according to claim 1, characterized in that: the driving mechanism (2) includes a micro motor (22) fixed at the end of the Z-shaped plate (16), and a micro motor (22) movable through the Z-shaped plate (16). (16) There are screws (21) at both ends of the chute (161) on one side. The output shaft of the micro motor (22) movablely penetrates the side wall of the Z-shaped plate (16) and passes through one end of the screw (21). The coupling is fixed. 3. The automatic cleaning device according to claim 1, characterized in that: the high-pressure jet mechanism (3) includes an air pump (31) fixed at the bottom of the inner cavity of the equipment compartment (13), and the air pump (31) An air suction pipe (32) is connected and fixed at the air inlet end and extends through the side wall of the lamp pole (1) to the outside. An exhaust pipe (33) is connected and fixed between the air outlet end of the air pump (31) and the high-pressure box (17). ), and the exhaust pipe (33) penetrates the side wall of the fixed light pole (1). 4. The automatic cleaning device according to claim 1, characterized in that: the water spray mechanism (5) includes a water pump (53) fixed at the bottom of the inner cavity of the equipment warehouse (13) and parallel to the air pump (31). A drainage pipe (52) is connected and fixed between the water outlet end of the water pump (53) and the water collection tank (15), and the drainage pipe (52) penetrates the side wall of the fixed light pole (1). The water outlet end of the water pump (53) A water pump (51) is connected and fixed. 5. The automatic cleaning device according to claim 4, characterized in that: the water pumping pipe (51) extends through the bottom plate of the equipment warehouse (13) to the bottom of the water tank (14) inside the light pole (1). The water bin (14) is located directly below the equipment bin (13). 6. The automatic cleaning device according to claim 1, characterized in that: a motor (11) is fixed in the middle of the bottom of the inner cavity of the equipment compartment (13), and the output shaft of the motor (11) and the top cover (12) ) is fixedly connected to the lower end, and the mounting bracket (8) is located on one side of the drainage pipe (52) and has a fixing bracket (4) for fixing the drainage pipe (52) and the exhaust pipe (33). The drainage pipe (52) ) and the exhaust pipe (33) are all set as retractable hoses. 7. The automatic cleaning device according to claim 1, characterized in that: the opening on one side of the mounting frame (8) and the movable frame (7) are rotationally arranged through a rotating shaft, and the two middle parts of the lower end of the movable frame (7) are rotated. A receiving slot (19) for storing the electric cylinder (9) is opened on the side, and a movable seat (91) is fixed between the two sides of the mounting bracket (8) away from the rotating shaft and the end of the receiving slot (19) close to the rotating shaft. ), the middle part of the two movable seats (91) and both ends of the electric cylinder (9) are rotated by pins. 8. The automatic cleaning device according to claim 1, characterized in that: the light pole (1) is located on one side of the water tank (14) and has a water collecting pipe (10) connected with the water tank (14). , the water collection pipe (10) is located at the opening at the upper end of the outer side of the light pole (1), and a filter screen for filtration is fixed with screws. 9. Photovoltaic street lamp, characterized in that it includes a lighting lamp (20) fixed on the upper end of the surface of the lamp pole (1) for illumination, and the automatic cleaning device described in any one of the above claims 1-8.