Automatic cleaning device for building facade solar panels

Abstract

The utility model discloses a kind of building facade solar panel automatic cleaning devices, including cleaning execution mechanism, cleaning execution mechanism includes: rolling cleaning unit, water spraying cleaning unit sewage recovery unit;Rolling cleaning unit is set along the surface of solar panel transversely, and the surface of cleaning plate is cleaned by rolling contact;Water spraying cleaning unit is fixed in the top of rolling cleaning unit, and the surface of rolling cleaning unit and solar panel is sprayed cleaning fluid by pipeline system;Sewage recovery unit is located directly below rolling cleaning unit, and cleaning sewage is recovered by inclined water-collecting groove and is guided to drain pipe;Installation fixed mechanism includes the track structure including upper track and lower track that is set up in parallel up and down, and the end thereof away from wall body is slidably connected with rolling cleaning unit, and upper track and lower track surface are provided with continuous meshing track teeth.The utility model uses the meshing transmission of upper track helical gear and driving gear, in combination with the bidirectional constraint of lower track guide slide rail, and the high-precision control of cleaning unit transverse movement is realized.

Description

Technical Field

[0001] This utility model relates to the technical field of automatic cleaning devices for solar panels on building facades, and in particular to an automatic cleaning device for solar panels on building facades. Background Technology

[0002] Traditional solar panel cleaning relies heavily on manual labor or fixed cleaning equipment, resulting in low cleaning efficiency and limited coverage, making it difficult to adapt to the complex installation environment of building facades. In motor-driven actuators, the transmission mechanism often uses a single gear set or belt drive, which is susceptible to load variations, leading to unstable roller brush speed and affecting cleaning uniformity. Existing water spray cleaning systems often suffer from waste of cleaning fluid and wastewater residue due to unreasonable nozzle distribution or inaccurate water pressure control, failing to meet environmental protection requirements. Existing track-guided technology has shortcomings; externally mounted electric roller drive devices (such as industrial conveyor belts) typically employ a separate design of independent motor and reduction mechanism, resulting in complex structures, large space occupation, and difficulty in adapting to the compact installation requirements of building facades. Insufficient precision in controlling the gap between the guide rail and rollers can easily cause the cleaning unit to shift, increasing the risk of scratching the solar panel surface. The water spray cleaning unit, through an 80° coverage angle and 200cm spacing of fan-shaped nozzles, combined with a constant pressure output of 0.3MPa from the pressure pump, ensures uniform water mist coverage of the solar panel surface, reducing blind spots. Utility Model Content

[0003] The purpose of this utility model is to provide an automatic cleaning device for solar panels on building facades, thereby solving the aforementioned problems existing in the prior art.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] An automatic cleaning device for solar panels on building facades includes:

[0006] Cleaning implementation agencies,

[0007] The cleaning execution mechanism includes: a rolling cleaning unit, a water spraying cleaning unit, and a wastewater recovery unit;

[0008] The rolling cleaning unit is arranged laterally along the surface of the solar panel and cleans the panel surface by rolling contact.

[0009] The water spray cleaning unit is fixed to the top of the rolling cleaning unit and sprays cleaning liquid onto the rolling cleaning unit and the surface of the solar panel through the pipeline system;

[0010] The wastewater recycling unit is located directly below the rolling cleaning unit. It collects cleaning wastewater through an inclined collection tank and guides it to the drain pipe.

[0011] The mounting and fixing mechanism includes:

[0012] The track structure is arranged in parallel vertically, with its end away from the wall slidably connected to the rolling cleaning unit, and the surface of the track structure is provided with continuous meshing track teeth.

[0013] The track structure is fixed to the exterior wall facade via back connectors, which are spaced apart and locked in place by fasteners.

[0014] In some specific embodiments, the rolling cleaning unit includes: an electric roller brush, a drive motor, and a travel motor. The drive motor is connected to the electric roller brush via a gear set, and the travel motor drives the rolling cleaning unit to move along the track structure via meshing track teeth.

[0015] In some specific embodiments, the gear set includes a two-stage reduction structure of a driving gear and a transmission gear, wherein the diameter of the transmission gear is larger than that of the driving gear, and the gear ratio is 1:3-1:5.

[0016] In some specific embodiments, the water spray cleaning unit includes a pressure pump, a water spray pipe and fan-shaped nozzles. The water spray pipe extends along the length of the rolling cleaning unit, and the fan-shaped nozzles are evenly distributed at 200cm intervals, spraying water mist with a coverage width of ≥200cm.

[0017] In some specific embodiments, the bottom plate of the inclined water collection tank is sloped at 1% towards the drain pipe, and a water-blocking flange is provided at the edge of the tank, with a height of 3-5cm.

[0018] In some specific embodiments, the back connector is a C-shaped steel component with bolt holes at both ends. One end is connected to the building facade by fasteners, and the other end is snapped into the track structure by limiting bolts. The spacing between the back connectors is 400mm.

[0019] In some specific embodiments, the meshing track teeth of the track structure are helical teeth with a tooth height of 1-2 cm and a tooth spacing of 1.2-1.5 times the tooth height.

[0020] In some specific embodiments, the entire device is driven by a 12V DC power supply, and the rolling cleaning unit, the water spraying cleaning unit, and the wastewater recycling unit operate synchronously through a controller.

[0021] In some specific embodiments, it also includes: a baffle plate disposed on the outside of the electric roller brush to prevent sewage from splashing during the rolling of the roller brush.

[0022] The beneficial effects of this utility model are as follows: This utility model discloses an automatic cleaning device for solar panels on building facades, including a cleaning execution mechanism. The cleaning execution mechanism includes a rolling cleaning unit, a water spraying cleaning unit, and a wastewater recovery unit. The rolling cleaning unit is arranged laterally along the surface of the solar panel and cleans the panel surface by rolling contact. The water spraying cleaning unit is fixed to the top of the rolling cleaning unit and sprays cleaning liquid onto the rolling cleaning unit and the surface of the solar panel through a pipeline system. The wastewater recovery unit is located directly below the rolling cleaning unit and collects the cleaning wastewater through an inclined collection tank and guides it to a drain pipe. The installation and fixing mechanism includes a track structure arranged vertically and horizontally, with one end away from the wall slidably connected to the rolling cleaning unit. The surface of the track structure is provided with continuously meshing track teeth. The track structure is fixed to the exterior facade of the wall through back connectors, which are spaced apart and locked by fasteners. This utility model uses the meshing transmission of the upper track helical rack and drive gear, combined with the bidirectional constraint of the lower track guide rail, to achieve high-precision control of the lateral movement of the cleaning unit. Attached Figure Description

[0023] Figure 1 This is an installation diagram of the automatic cleaning device for building facade solar panels according to this utility model;

[0024] Figure 2 This is a schematic diagram of the upper part of the rolling cleaning unit of the automatic cleaning device for building facade solar panels of this utility model;

[0025] Figure 3 This is a schematic diagram of the lower part of the rolling cleaning unit of the automatic cleaning device for building facade solar panels according to this utility model;

[0026] Figure 4 This is a schematic diagram of the combination of the rolling cleaning unit and the water spraying cleaning unit of the automatic cleaning device for building facade solar panels of this utility model;

[0027] Figure 5 This is a schematic diagram of the combination of the rolling cleaning unit and the sewage recycling unit of the automatic cleaning device for building facade solar panels of this utility model;

[0028] Figure 6 This is a schematic diagram of the water spraying cleaning unit of the automatic cleaning device for building facade solar panels according to this utility model.

[0029] In the attached diagram: 1. Rolling cleaning unit; 100. Wall; 101. Solar panel; 2. Water spray cleaning unit; 3. Wastewater recovery unit; 4. Electric roller brush; 5. Drive motor; 7. Travel motor; 8. Drive gear; 9. Driven gear; 10. Drive gear; 11. Meshing gear; 12. Flexible hose; 13. Pressure pump; 14. Water spray pipe; 15. Spray head; 16. Inclined water collection tank; 17. Water-retaining flange; 18. Drain pipe; 20. Upper track; 21. Lower track; 22. Slotted roller; 24. Connector; 26. Fastener; 44. Water baffle. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model.

[0031] Reference Figures 1 to 6 The illustrated automatic cleaning device for building facade solar panels includes a cleaning actuator.

[0032] The cleaning execution mechanism includes: a rolling cleaning unit 1, a water spraying cleaning unit 2, and a wastewater recovery unit 3;

[0033] The rolling cleaning unit 1 is arranged laterally along the surface of the solar panel 101 and cleans the panel surface by rolling contact.

[0034] The water spray cleaning unit 2 is fixed to the top of the rolling cleaning unit 1 and sprays cleaning liquid onto the surface of the rolling cleaning unit 1 and the solar panel 101 through the pipeline system.

[0035] The wastewater recycling unit 3 is located directly below the rolling cleaning unit 1. It collects cleaning wastewater through the inclined water collection tank 16 and guides it to the drain pipe 18.

[0036] The mounting and fixing mechanism includes:

[0037] The parallel track structure includes an upper track 20 and a lower track 21, with one end away from the wall 100 slidably connected to the rolling cleaning unit 1. The surfaces of the upper track 20 and the lower track 21 are provided with continuous meshing track teeth 11.

[0038] The upper track 20 and the lower track 21 are fixed to the exterior of the wall 100 via back connectors 24. The connectors 24 are spaced apart and locked by fasteners 26. The fasteners 26 are bolts.

[0039] In some specific embodiments, the rolling cleaning unit 1 includes: an electric roller brush 4, a drive motor 5 and a travel motor 7. The drive motor 5 is connected to the electric roller brush 4 through a gear set, and the travel motor 7 drives the rolling cleaning unit 1 to move along the upper track 20 and the lower track 21 through meshing track teeth 11.

[0040] In this embodiment, it is also necessary to explain in detail the following:

[0041] Installation of the drive motor: The drive motor is fixed to the inside of the frame of the rolling cleaning unit by a flange, and its output shaft faces the rotation axis 6 of the electric roller brush 4 and is parallel to the rotation axis.

[0042] Gear set meshing design:

[0043] A drive gear 8 (with a small diameter, serving as the input end) is mounted on the output shaft of the drive motor;

[0044] A driven gear 9 (with a large diameter and a gear ratio of 1:4, forming a speed reduction and torque increase structure) is coaxially mounted on the rotating shaft 6 of the electric roller brush 4.

[0045] The driving gear and the driven gear are driven by meshing teeth, which transmits the power of the drive motor to the electric roller brush, driving it to rotate at a speed of 20-30 rpm to roll and wipe the surface of the solar panel.

[0046] 2. Meshing transmission between the travel motor and the track structure

[0047] Positioning of the travel motor: The travel motor is vertically mounted on the top of the frame, with its output shaft perpendicular to the length of the track structure, and a drive gear 10 is installed at the end.

[0048] Rack and pinion design for track structure:

[0049] The track structure surface is provided with continuous oblique racks (tooth height 1.5cm, tooth spacing 1.8cm) along the length direction;

[0050] The drive gear meshes with the helical rack. When the motor starts, the drive gear rolls along the helical rack, driving the entire rolling cleaning unit to move laterally along the track structure at a speed of 0.2 m / s.

[0051] The drive gear of the motor meshes with the helical rack to provide driving force for movement while preventing deviation during travel.

[0052] Linked operation logic

[0053] Controller signal synchronization: The drive motor and the travel motor are connected to the same controller. When started, the controller outputs signals synchronously, so that the rotation cleaning action of the electric roller brush and the travel movement are performed simultaneously.

[0054] Mechanical linkage protection: When the travel motor is obstructed, the controller detects the current change and cuts off the power supply to prevent damage to the drive gear or track rack.

[0055] In some specific embodiments, the gear set includes a two-stage reduction structure of a driving gear and a transmission gear, wherein the diameter of the transmission gear is larger than that of the driving gear, and the gear ratio is 1:3-1:5.

[0056] In some specific embodiments, the water spray cleaning unit includes a pressure pump 13, a water spray pipe 14, and a fan-shaped nozzle 15. The water spray pipe 14 extends along the length of the rolling cleaning unit 1, and the fan-shaped nozzles 15 are evenly distributed at 200cm intervals, spraying water mist with a coverage width of ≥200cm.

[0057] It should also be further explained that the rolling cleaning unit 1 is equipped with slotted rollers 22 on both the upper and lower sides. The slotted rollers 22 engage with the upper and lower through slots, and move laterally along the slots. The slotted rollers provide outward restraint force.

[0058] The track gears 10 on the upper and lower sides of the rolling cleaning unit 1 reciprocate along the track gears 11 in the through groove. The track gears 10 provide inward constraint force, and the slot rollers 22 provide outward constraint force. The two forces are balanced, and the rolling cleaning unit is fixed together on the upper and lower through grooves.

[0059] 1. Installation and connection of pressure pump

[0060] Positioning and Fixing: The pressure pump is fixed to the top of the rolling cleaning unit by bolts, on the side near the drive motor. Its inlet is connected to an external cleaning liquid storage tank or building water supply pipe via a flexible hose 12.

[0061] Power and control: The pressure pump is connected to the controller via wires, receives start / stop and pressure regulation signals, and outputs pressure in the range of 0.2-0.5MPa to ensure stable water supply.

[0062] 2. Extension and fixing of the water spray pipe

[0063] Structural layout: The water spray pipe is made of corrosion-resistant stainless steel and extends horizontally along the length of the rolling cleaning unit. Both ends are locked to the top crossbeam of the rolling cleaning unit by clamps.

[0064] Branch pipe design: A threaded interface is opened every 200cm in the middle of the water spray pipe for installing fan-shaped nozzles. The nozzles are installed at an angle of 15°-25° towards the surface of the solar panel to cover the cleaning area.

[0065] 3. Distribution and spray logic of fan-shaped nozzles

[0066] Installation method: Each fan-shaped nozzle is screwed into the interface of the water spray pipe through a thread, and a rubber sealing ring is installed at the interface to prevent water leakage;

[0067] Coverage parameters: The spray angle of the fan-shaped nozzle is 80°-100°. Under a pressure of 0.3MPa, the water mist coverage width of a single nozzle is ≥200cm, and the distance between adjacent nozzles is 200cm, ensuring that the water mist continuously covers the surface of the solar panel without blind spots.

[0068] Synergistic Functions: The fan-shaped water mist sprayed from the nozzle is synchronized with the rotation direction of the electric roller brush, wetting the board surface and assisting the roller brush in removing attached stains.

[0069] 4. Integrated design of wastewater recycling units

[0070] Connection between the water collection tank and the drain pipe: The inclined water collection tank of the sewage recycling unit is located directly below the water spray cleaning unit. The bottom plate of the water collection tank is set with a 1% slope towards the drain pipe, so that the sewage is guided to the drain pipe by gravity.

[0071] Splash protection: The edge of the water collection tank is equipped with a 3cm high water-retaining flange to prevent sewage from splashing onto the building facade during water spraying.

[0072] Workflow Description

[0073] Water supply start-up: The controller starts the pressure pump, and the cleaning solution is delivered to each fan-shaped nozzle through the water spray pipe;

[0074] Water mist spray: The fan-shaped nozzle atomizes the cleaning liquid and sprays it evenly onto the surface of the solar panel, with the coverage width matching the cleaning area of ​​the roller brush;

[0075] Wastewater recycling: Wastewater flows along the slab surface into the collection tank, and is then guided by the slope to the drainage pipe for centralized discharge, achieving zero wastewater residue in the cleaning process.

[0076] Technical effect

[0077] Full coverage spraying: The fan-shaped nozzles spaced 200cm apart and the wide water mist design ensure that the cleaning solution evenly covers the surface of the solar panel;

[0078] Modular connection: The water spray pipe is fixed to the rolling cleaning unit with clamps, and the nozzle is installed with threaded seals, which facilitates disassembly and maintenance;

[0079] High efficiency and water saving: The precise pressure control of the pressure pump, combined with the slope guiding structure of the sewage recycling unit, reduces waste of cleaning liquid and environmental pollution.

[0080] In some specific embodiments, the bottom plate of the inclined water collection tank is sloped at 1% towards the drain pipe, and a water-blocking flange 17 is provided at the edge of the tank, with a height of 3-5cm.

[0081] In some specific embodiments, the back connector is a C-shaped steel component with bolt holes at both ends. One end is connected to the building facade by fasteners, and the other end is snapped into the track structure by limiting bolts. The spacing between the back connectors is 400mm.

[0082] In some specific embodiments, the meshing teeth of the track structure are helical teeth with a tooth height of 1-2 cm and a tooth spacing of 1.2-1.5 times the tooth height.

[0083] In some specific embodiments, the entire device is driven by a 12V DC power supply, and the rolling cleaning unit, the water spraying cleaning unit, and the wastewater recycling unit operate synchronously through a controller.

[0084] In some specific embodiments, it also includes: a baffle plate 44, disposed on the outside of the electric roller brush, for preventing sewage splashing caused by the roller brush rolling.

[0085] The working method of this utility model

[0086] 1. Preparation

[0087] Device Assembly: Ensure that the cleaning actuators (including the rolling cleaning unit 1, the water spraying cleaning unit 2, and the wastewater recovery unit 3) are correctly assembled with the installation and fixing mechanism. The rolling cleaning unit 1 should be able to slide freely along the track structure (upper track 20 and lower track 21), while the track structure is firmly fixed to the exterior of the wall 100 via the back connector 24.

[0088] Power connection: Connect the entire device to a 12V DC power supply and ensure that all motors and controllers are working properly.

[0089] Cleaning solution preparation: Add the cleaning solution to the external cleaning solution tank or connect it to the building water supply pipe through a pipeline to ensure that the pressure pump 13 can draw water normally.

[0090] 2. Starting device

[0091] Controller operation: The device is started via the controller. The controller will synchronously output signals to the drive motor 5 and travel motor 7 of the rolling cleaning unit 1, as well as the pressure pump 13 of the water spray cleaning unit 2.

[0092] 3. Cleaning process

[0093] Water spray cleaning:

[0094] After the pressure pump 13 is started, it draws cleaning fluid from the external cleaning fluid storage tank or the building water supply pipe through the flexible hose 12.

[0095] The cleaning solution is delivered to each fan-shaped nozzle 15 via the water spray pipe 14. The fan-shaped nozzles are evenly distributed at 200cm intervals, and the sprayed water mist covers a width of ≥200cm to ensure that the surface of the solar panel 101 is evenly moistened.

[0096] Scroll cleaning:

[0097] The drive motor 5 reduces speed and increases torque through a gear set (drive gear 8 and transmission gear 9), and drives the electric roller brush 4 to rotate at a speed of 20-30 rpm.

[0098] The traveling motor 7 drives the rolling cleaning unit 1 to move laterally along the track structure at a speed of 0.2 m / s by meshing with the continuous helical rack on the surface of the track structure through the drive gear 10.

[0099] The electric roller brush 4 comes into contact with the surface of the solar panel 101 during rotation to remove attached stains.

[0100] Wastewater recycling:

[0101] The inclined water collection tank 16 of the wastewater recycling unit 3 is located directly below the rolling cleaning unit 1 to collect the wastewater generated during the cleaning process.

[0102] The bottom plate of the water collection tank is sloped at 1% towards the drain pipe 18, and the sewage is guided to the drain pipe by gravity, achieving zero sewage residue in the cleaning process.

[0103] Water-blocking flange 17 prevents sewage from splashing onto the building facade during water spraying.

[0104] 4. Safety protection and coordinated operation

[0105] Current monitoring: The controller monitors the current changes of the travel motor 7 in real time. Once an obstruction is detected, the power supply is immediately cut off to prevent damage to the drive gear or track rack.

[0106] Synchronous linkage: The rolling cleaning unit 1, the water spraying cleaning unit 2, and the wastewater recycling unit 3 are linked and synchronized through the controller to ensure cleaning efficiency and quality.

[0107] 5. Cleaning complete

[0108] Device reset: After cleaning is completed, the device is turned off by the controller, and the rolling cleaning unit 1 automatically returns to the starting position or the preset position.

[0109] Maintenance and inspection: Regularly inspect and maintain the equipment, including replenishing the cleaning fluid tank, cleaning and replacing the nozzles, and cleaning the water collection tank.

[0110] By adopting the above-disclosed technical solution of this utility model, the following beneficial effects are obtained:

[0111] Structural optimization and improved cleaning efficiency

[0112] The upper rail 20 helical rack 11 and drive gear 10 are meshed and driven, and combined with the bidirectional constraint of the lower rail 21 guide slide rail 22, to achieve high-precision control of the lateral movement of the cleaning unit (offset < 2mm).

[0113] The water spray cleaning unit 2, with its fan-shaped nozzles 15 covering an 80° angle and spaced at 200cm intervals, combined with the constant pressure output of the pressure pump 13 at 0.3MPa, ensures that the water mist evenly covers the surface of the solar panel, reducing blind spots.

[0114] Energy saving, environmental protection and enhanced reliability

[0115] The inclined water collection trough 16 of the wastewater recycling unit (slope of 1%), combined with the water-blocking flange 17, achieves a wastewater recycling rate of ≥95%, significantly reducing water waste.

[0116] The real-time current monitoring function of the travel motor 7 (threshold > 2A) can quickly cut off abnormal loads, avoid gear wear or track deformation, and extend the life of the device.

[0117] Ease of installation and adaptability

[0118] The upper track 20 is made of lightweight aluminum alloy and nickel plating process, while the lower track 21 is fixed by pre-embedded groove snap-on bracket 25, which has both corrosion resistance and quick installation characteristics, and is suitable for different building facade structures.

[0119] The electric roller brush 4 features a detachable nylon bristle design, allowing for quick replacement of worn parts and reducing maintenance costs by more than 40%.

[0120] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. An automatic cleaning device for solar panels on building facades, characterized in that, include: Cleaning implementation agencies The cleaning actuator includes: a rolling cleaning unit (1), a water spraying cleaning unit (2), and a wastewater recycling unit (3). The rolling cleaning unit (1) is arranged laterally along the surface of the solar panel (101) and cleans the panel surface by rolling contact. The water spray cleaning unit (2) is fixed to the top of the rolling cleaning unit (1) and sprays cleaning liquid onto the rolling cleaning unit (1) and the surface of the solar panel through the pipeline system; The wastewater recycling unit (3) is located directly below the rolling cleaning unit (1), and it recycles the clean wastewater through the inclined water collection tank (16) and guides it to the drain pipe (18). Installation and fixing mechanisms, including: The track structure is arranged in parallel at the top and bottom. The end of the track structure away from the wall (100) is slidably connected to the rolling cleaning unit (1). The surface of the track structure is provided with continuous meshing track teeth (11). The track structure is fixed to the exterior of the wall (100) via a back connector (24), and the connectors (24) are spaced apart and locked by fasteners (26).

2. The automatic cleaning device according to claim 1, characterized in that, The rolling cleaning unit (1) includes an electric roller brush (4), a drive motor (5) and a traveling motor (7). The drive motor (5) is connected to the electric roller brush (4) via a gear set, and the traveling motor (7) drives the rolling cleaning unit (1) to move along the track structure by meshing with the track teeth (11).

3. The automatic cleaning device according to claim 2, characterized in that, The gear set includes a two-stage reduction structure of a drive gear (8) and a transmission gear (9). The diameter of the transmission gear (9) is larger than that of the drive gear (8), and the gear ratio is 1:3-1:

5.

4. The automatic cleaning device according to claim 1, characterized in that, The water spray cleaning unit (2) includes a pressure pump (13), a water spray pipe (14) and a fan-shaped nozzle (15). The water spray pipe (14) extends along the length of the rolling cleaning unit (1), and the fan-shaped nozzle (15) is evenly distributed at 200cm intervals, spraying water mist with a coverage width of ≥200cm.

5. The automatic cleaning device according to claim 1, characterized in that, The bottom plate of the inclined water collection trough (16) is sloped at 1% towards the drain pipe (18), and a water-blocking flange (17) is provided at the edge of the trough, with a height of 3-5cm.

6. The automatic cleaning device according to claim 1, characterized in that, The back connector (24) is a C-shaped steel component with bolt holes at both ends. One end is connected to the building facade through fasteners (26), and the other end is connected to the track structure through limiting bolts. The spacing between the back connectors (24) is 400mm.

7. The automatic cleaning device according to claim 1, characterized in that, The meshing track teeth (11) of the track structure are oblique teeth with a tooth height of 1-2 cm and a tooth spacing of 1.2-1.5 times the tooth height.

8. The automatic cleaning device according to claim 1, characterized in that, The device is driven by a 12V DC power supply. The rolling cleaning unit (1), the water spraying cleaning unit (2), and the sewage recycling unit (3) operate synchronously through a controller.

9. The automatic cleaning device according to claim 1, characterized in that, It also includes: a baffle plate (44), which is set on the outside of the electric roller brush (4) to prevent sewage from splashing when the roller brush rolls.

Images