A self-watering photovoltaic system cleaning device

Abstract

The application discloses a self-water-supplementing photovoltaic system cleaning device, which comprises photovoltaic panel units and a support, each photovoltaic panel unit is carried on the support, the cleaning device comprises a cleaning vehicle, a driving mechanism and a water supplementing mechanism, the cleaning vehicle is slidably arranged on the photovoltaic panel unit, the driving mechanism is connected with the cleaning vehicle and drives the cleaning vehicle to move along the photovoltaic panel unit to spray water for cleaning, the water supplementing mechanism is arranged on the support at one side of a moving path of the cleaning vehicle and supplements water when the cleaning vehicle moves to the position, and a linkage mechanism is arranged on the cleaning vehicle and stops water spraying to supplement water quickly and save water source when the water supplementing mechanism supplements water.

Description

Technical Field

[0001] This invention relates to the field of solar photovoltaic power generation technology, and in particular to a self-watering photovoltaic system cleaning device. Background Technology

[0002] As a crucial component of clean energy, photovoltaic (PV) power generation's efficiency directly impacts the economic benefits of a power plant. PV panels, constantly exposed to the outdoors, easily accumulate dust, bird droppings, sand, and other pollutants, severely reducing light transmittance and leading to a significant decrease in power generation. Therefore, regular cleaning of PV panels is a critical aspect of power plant operation and maintenance.

[0003] Currently, common methods for cleaning photovoltaic panels mainly include manual cleaning and fixed spray systems. Manual cleaning is inefficient, labor-intensive, difficult to control water usage, and carries the risk of damage to the panels from people stepping on them. While fixed spray systems can be automated, they require extensive piping along the panels, making the system complex and costly. Furthermore, spraying water simultaneously on all panels results in enormous water consumption. In addition, some existing mobile cleaning carts typically require long external water hoses or frequent returns to the water replenishment point. During replenishment, the spray nozzles on the cart often cannot stop working, resulting in a significant waste of water intended for cleaning. Alternatively, complex electronically controlled valves are required, increasing system cost and failure rate, especially in outdoor environments where the reliability of electrical components is difficult to guarantee. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a self-replenishing photovoltaic system cleaning device that improves water utilization and saves water.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: A self-watering photovoltaic system cleaning device is disclosed. The photovoltaic system includes photovoltaic panel units and a support frame. Each photovoltaic panel unit is supported on the support frame. The cleaning device includes a cleaning vehicle, a drive mechanism, and a water filling mechanism. The cleaning vehicle is slidably mounted on the photovoltaic panel units. The drive mechanism is connected to the cleaning vehicle and drives the cleaning vehicle to move along the photovoltaic panel units for water spraying and cleaning. The water filling mechanism is installed on the support frame on one side of the movement path of the cleaning vehicle and replenishes water when the cleaning vehicle moves to that location. The cleaning vehicle is equipped with a linkage mechanism that stops spraying water during water replenishment to quickly replenish water and save water resources.

[0006] As a further improvement to the above technical solution: The cleaning vehicle includes a support base, a water outlet pipe, and a water storage tank. Both the water outlet pipe and the water storage tank are mounted on the support base. The water outlet pipe is connected to the water storage tank. When the water filling mechanism replenishes the water storage tank, the linkage mechanism disconnects the connection between the water storage tank and the water outlet pipe to stop the water from spraying from the water outlet pipe.

[0007] One end of the water outlet pipe sprays water towards the photovoltaic panel unit for cleaning, and the other end is connected to a three-way pipe that connects to the water storage tank. The linkage mechanism disconnects the water outlet pipe from the three-way pipe to stop the water from spraying.

[0008] The water supply mechanism includes a water supply pipe and a stop block. The stop block is mounted on a bracket, and the water supply pipe is connected to an external water source.

[0009] The linkage mechanism includes a contact member, a transmission member, a reset member, and a partition member connected in sequence. The contact member is slidably mounted on the support base. The partition member is disposed inside the tee pipe. The stop block has an inclined surface. When the cleaning vehicle moves to the water filling mechanism, the contact member abuts against the stop block and moves along the inclined surface to drive the partition member from inside the tee pipe to the outlet pipe to cut off the water flow. After the cleaning vehicle passes the stop block, the reset member drives the partition member from inside the outlet pipe to the tee pipe to restore the water flow.

[0010] The abutment includes a movable frame and a cam. The movable frame is slidably mounted on a support base, the cam is movably connected to the movable frame, and the transmission component is connected to the movable frame.

[0011] The transmission component includes a pulley and a connecting rope. The pulley is movably connected to the support base. One end of the connecting rope is connected to the movable frame, and the other end is connected to the reset component after the pulley is reversed.

[0012] The reset component includes a mounting base, a guide rod, a reset spring, and a sliding frame. The mounting base is fixedly mounted on a support base. The guide rod is movably inserted through the mounting base. One end of the guide rod is connected to a connecting rope, and the other end is connected to the sliding frame. The reset spring is sleeved on the guide rod between the mounting base and the sliding frame. The partition is connected to the sliding frame.

[0013] The partition includes a connecting rod and a ball. One end of the connecting rod is connected to the sliding frame, and the other end passes through a three-way pipe. The ball is disposed inside the three-way pipe and connected to the end of the connecting rod.

[0014] The reset component includes a mounting base, a guide rod, a reset spring, and a sliding frame. The mounting base is fixedly mounted on a support base. The guide rod is movably mounted on the mounting base. One end of the guide rod is connected to a connecting rope, and the other end is connected to the sliding frame. The reset spring is sleeved on the guide rod between the mounting base and the sliding frame. A magnetic block for traction and movement of the partition component is provided on the sliding frame.

[0015] The partition includes a magnetic ball, which is disposed inside the tee pipe and can move between the tee pipe and the outlet pipe under the traction of the magnetic block.

[0016] The support frame is also equipped with a parking platform for parking cleaning vehicles.

[0017] The drive mechanism includes a drive motor, a drive wheel, and a wire rope. The drive motor is mounted on the parking platform, the drive wheel is connected to the output end of the drive motor, and the wire rope is wound around the drive wheel and connected to the support base.

[0018] The cleaning vehicle is equipped with rollers that slide on the photovoltaic panel unit at the bottom.

[0019] A self-watering photovoltaic system cleaning device is disclosed. The photovoltaic system includes photovoltaic panel units and a support frame. Each photovoltaic panel unit is supported on the support frame. The cleaning device includes a cleaning vehicle, a drive mechanism, and a water filling mechanism. The cleaning vehicle is slidably mounted on the photovoltaic panel units. The drive mechanism is connected to the cleaning vehicle and drives the cleaning vehicle to move along the photovoltaic panel units for water spraying and cleaning. The water filling mechanism is located on the support frame on one side of the movement path of the cleaning vehicle and replenishes water when the cleaning vehicle moves to that location. After replenishing water, the cleaning vehicle resumes spraying water to conserve water resources.

[0020] As a further improvement to the above technical solution: The cleaning vehicle includes a support base, a water outlet pipe, and a water storage tank. The water outlet pipe and the water storage tank are both installed on the support base. One end of the water outlet pipe is directed towards the photovoltaic panel unit for water spraying and cleaning, and the other end is connected to the water storage tank. The water outlet pipe extends upward outside the water storage tank and bends to form a U-shaped pipe that is flush with the height of the water storage tank.

[0021] The cleaning vehicle includes a traveling body, a loading body, and a water tank. The traveling body is equipped with multiple load springs and multi-stage water outlets. The water tank is mounted on the loading body and has self-sealing water outlets corresponding to each multi-stage water outlet. The loading body is supported by each load spring and changes the relative position of the self-sealing water outlets and multi-stage water outlets according to the weight generated by the water volume in the water tank.

[0022] As the water volume in the storage tank increases, the multi-stage water outlet gradually approaches the self-sealing water outlet and extends into the self-sealing water outlet.

[0023] The multi-stage water outlet is configured with a first-stage water outlet, a second-stage water outlet, and a third-stage water outlet, with the water outlets increasing in size from top to bottom.

[0024] The support frame is also equipped with a parking platform for parking cleaning vehicles.

[0025] The drive mechanism includes a drive motor, a drive wheel, and a wire rope. The drive motor is mounted on the parking platform, the drive wheel is connected to the output end of the drive motor, and the wire rope is wound around the drive wheel and connected to the support base.

[0026] The cleaning vehicle is equipped with rollers that slide on the photovoltaic panel unit at the bottom.

[0027] Compared with the prior art, the advantages of the present invention are as follows: This invention improves water utilization and saves water resources by setting a water-filling mechanism along the movement path of the cleaning vehicle and by setting a linkage mechanism so that the cleaning vehicle stops spraying water when it reaches the water-filling mechanism to replenish water, thus avoiding the ineffective loss of cleaning water during the water replenishment process. Attached Figure Description

[0028] Figure 1 This is a schematic diagram (top view) of the overall structure of Embodiment 1 of the present invention.

[0029] Figure 2 This is a schematic diagram (three-dimensional view) of the overall structure of Embodiment 1 of the present invention.

[0030] Figure 3 yes Figure 2 Enlarged view of point A in the middle.

[0031] Figure 4 This is a schematic diagram of the linkage mechanism structure of Embodiment 1 of the present invention (before water replenishment).

[0032] Figure 5 This is a schematic diagram of the linkage mechanism structure of Embodiment 1 of the present invention (during water replenishment).

[0033] Figure 6 This is a schematic diagram of the linkage mechanism structure of Embodiment 2 of the present invention (before water replenishment).

[0034] Figure 7 This is a schematic diagram (three-dimensional view) of the overall structure of Embodiment 3 of the present invention.

[0035] Figure 8 yes Figure 7 Enlarged view of section B in the middle.

[0036] Figure 9 This is a schematic diagram of water replenishment in Embodiment 3 of the present invention.

[0037] Figure 10 This is a schematic diagram of the cleaning vehicle structure according to Embodiment 3 of the present invention.

[0038] Figure 11 This is a schematic diagram of the vehicle body structure of Embodiment 3 of the present invention.

[0039] Figure 12 This is a schematic diagram of the bottom structure of the water storage tank in Embodiment 3 of the present invention.

[0040] Figure 13 This is a schematic diagram of the multi-stage water outlet structure in Embodiment 3 of the present invention.

[0041] The labels in the diagram represent: 1. Photovoltaic panel unit; 2. Cleaning vehicle; 21. Support base; 22. Water outlet pipe; 221. T-pipe; 222. U-shaped pipe; 23. Water storage tank; 231. Self-sealing water outlet; 24. Roller; 25. Walking vehicle body; 251. Loading spring; 252. Multi-stage water outlet; 2521. Primary water outlet; 2522. Secondary water outlet; 2523. Tertiary water outlet; 26. Loading vehicle body; 3. Parking platform; 4. Drive mechanism; 41. Drive motor; 42. Drive 43. Wheel; 5. Wire rope; 6. Water filling mechanism; 51. Water filling pipe; 52. Stop block; 521. Inclined surface; 6. Linkage mechanism; 61. Abutment part; 611. Movable frame; 612. Cam; 62. Transmission part; 621. Pulley; 622. Connecting rope; 63. Reset part; 631. Mounting base; 632. Guide rod; 633. Reset spring; 634. Sliding frame; 6341. Magnetic block; 64. Partition part; 641. Connecting rod; 642. Sphere; 643. Magnetic ball. Detailed Implementation

[0042] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0043] Example 1: like Figures 1 to 5 As shown, in a first embodiment of the self-watering photovoltaic system cleaning device of the present invention, the photovoltaic system includes photovoltaic panel units 1 and a support frame. Each photovoltaic panel unit 1 is supported on the support frame. The cleaning device includes a cleaning vehicle 2, a drive mechanism 4, and a water filling mechanism 5. The cleaning vehicle 2 is slidably mounted on the photovoltaic panel units 1. The drive mechanism 4 is connected to the cleaning vehicle 2 and drives the cleaning vehicle 2 to move along the photovoltaic panel units 1 for water spraying and cleaning. The water filling mechanism 5 is set on the support frame on one side of the movement path of the cleaning vehicle 2 and replenishes water when the cleaning vehicle 2 moves to that location. The cleaning vehicle 2 is equipped with a linkage mechanism 6 that stops spraying water during water replenishment to quickly replenish water and save water resources. The present invention, by setting the water filling mechanism 5 on the movement path of the cleaning vehicle 2 and by setting the linkage mechanism 6, ensures that the cleaning vehicle 2 stops spraying water when it reaches the location of the water filling mechanism 5 for water replenishment, avoiding ineffective loss of cleaning water during water replenishment, thereby improving the utilization rate of water resources and saving water resources.

[0044] In this embodiment, the cleaning vehicle 2 includes a support base 21, a water outlet pipe 22, and a water storage tank 23. Both the water outlet pipe 22 and the water storage tank 23 are mounted on the support base 21. The water outlet pipe 22 is connected to the water storage tank 23. When the water filling mechanism 5 replenishes water to the water storage tank 23, the linkage mechanism 6 disconnects the connection between the water storage tank 23 and the water outlet pipe 22 to stop the water spraying from the water outlet pipe 22. This structure clearly defines the specific components of the cleaning vehicle 2 (support base 21, water outlet pipe 22, and water storage tank 23). The linkage mechanism 6 disconnects the connection between the water storage tank 23 and the water outlet pipe 22. The structure is clear, directly cutting off the water source output, reacting quickly, and ensuring that the water outlet pipe 22 immediately stops spraying water when replenishing water, resulting in significant water-saving effects.

[0045] In this embodiment, one end of the water outlet pipe 22 is sprayed with water to clean the photovoltaic panel unit 1, and the other end is connected to a three-way pipe 221 that communicates with the water storage tank 23. The linkage mechanism 7 disconnects the water outlet pipe 22 from the three-way pipe 221 to stop the water spraying from the water outlet pipe 22. In this structure, the structure of the three-way pipe 221 facilitates the installation of the partition 64.

[0046] In this embodiment, the water filling mechanism 5 includes a water filling pipe 51 and a stop block 52. The stop block 52 is mounted on a bracket, and the water filling pipe 51 is connected to an external water source. The linkage mechanism 6 includes a contact member 61, a transmission member 62, a reset member 63, and a partition member 64 connected in sequence. The contact member 61 is slidably mounted on the support base 21, and the partition member 64 is disposed in the three-way pipe 221. The stop block 52 has an inclined surface 521. When the cleaning vehicle 2 moves to the water filling mechanism 5, the contact member 61 abuts against the stop block 52 and moves along the inclined surface 521 to drive the partition member 64 from the three-way pipe 221 to the outlet pipe 22 to block the water flow. After the cleaning vehicle 2 passes the stop block 52, the reset member 63 drives the partition member 64 from the outlet pipe 22 to the three-way pipe 221 to restore the water flow. In this structure, the linkage mechanism 6 is mechanically triggered by the inclined surface 521 on the stop block 52. The structure is compact and low cost. The inclined surface 521 can make the abutment 61 move smoothly. The triggering action is gentle and reliable, without impact or jamming. The linkage mechanism 6 and the inclined surface 521 cooperate to form a complete pure mechanical "trigger-transmission, isolation, and reset" chain. The action sequence is precise: when the cleaning vehicle 2 enters the water filling position, the water outlet is automatically isolated. After leaving, the water outlet is restored. The whole process does not require any external energy or control signal, and the reliability is high.

[0047] In this embodiment, the abutment member 61 includes a movable frame 611 and a cam 612. The movable frame 611 is slidably mounted on the support base 21, and the cam 612 is movably connected to the movable frame 611. The transmission member 62 is connected to the movable frame 611. In this structure, when the cam 612 engages with the inclined surface 521, it efficiently converts the thrust applied by the inclined surface 521 into linear motion of the movable frame 611, resulting in low friction and smooth movement.

[0048] In this embodiment, the transmission component 62 includes a pulley 621 and a connecting rope 622. The pulley 621 is movably connected to the support base 21. One end of the connecting rope 622 is connected to the movable frame 611, and the other end is connected to the reset component 63 after being reversed by the pulley 621. In this structure, the transmission method of the pulley 621 and the connecting rope 622 is highly flexible, the arrangement is flexible, the cost is low, and it is easy to maintain.

[0049] In this embodiment, the reset component 63 includes a mounting base 631, a guide rod 632, a reset spring 633, and a sliding frame 634. The mounting base 631 is fixedly mounted on the support base 21. The guide rod 632 is movably inserted through the mounting base 631. One end of the guide rod 632 is connected to the connecting rope 622, and the other end is connected to the sliding frame 634. The reset spring 633 is sleeved on the guide rod 632 between the mounting base 631 and the sliding frame 634. The partition component 64 is connected to the sliding frame 634. In this structure, the guide rod 632 ensures the linearity and stability of the movement of the sliding frame 634, and the reset spring 633 provides a reliable restoring force. When the cleaning vehicle 2 leaves the water filling position, the spring force ensures that the partition component 64 quickly and accurately resets, restoring the water spray channel.

[0050] In this embodiment, the partition 64 includes a connecting rod 641 and a ball 642. One end of the connecting rod 641 is connected to the sliding frame 634, and the other end passes through the three-way pipe 221. The ball 642 is disposed inside the three-way pipe 221 and connected to the end of the connecting rod 641. In this structure, the connecting rod 641 is mechanically connected to the sliding frame 634, the transmission is direct and without delay, the action is clear, and it drives the ball 642 from inside the three-way pipe 221 into the water outlet pipe 22, forming a good line contact seal with the inner wall of the water outlet pipe 22, resulting in a good partition effect.

[0051] In this embodiment, the support frame is also equipped with a parking platform 3 for parking the cleaning vehicle 2. The parking platform 3 provides a dedicated non-working parking space for the cleaning vehicle 2, facilitating inspection and maintenance.

[0052] In this embodiment, the drive mechanism 4 includes a drive motor 41, a drive wheel 42, and a wire rope 43. The drive motor 41 is mounted on the parking platform 3, the drive wheel 42 is connected to the output end of the drive motor 41, and the wire rope 43 is wound around the drive wheel 42 and connected to it. The traction method of the wire rope 43 is suitable for reciprocating linear motion. Mounting the drive motor 41 on the parking platform 3 away from the photovoltaic panel unit 1 facilitates protection.

[0053] In this embodiment, the bottom of the cleaning vehicle 2 is provided with rollers 24 that slide on the photovoltaic panel unit 1. In this structure, the rollers 24 change sliding friction into rolling friction, resulting in smooth movement.

[0054] Example 2: like Figure 6As shown, the second embodiment of the present invention is basically the same as that of embodiment 1, except that: In this embodiment, the reset component 63 includes a mounting base 631, a guide rod 632, a reset spring 633, and a sliding frame 634. The mounting base 631 is fixedly mounted on the support base 21. The guide rod 632 is movably inserted through the mounting base 631. One end of the guide rod 632 is connected to the connecting rope 622, and the other end is connected to the sliding frame 634. The reset spring 633 is sleeved on the guide rod 632 between the mounting base 631 and the sliding frame 634. The sliding frame 634 is provided with a magnetic block 6341 for moving the traction partition 64. The partition 64 includes a magnetic ball 643, which is disposed inside the three-way pipe 221 and can move between the three-way pipe 221 and the water outlet pipe 22 under the traction of the magnetic block 6341. In this structure, the magnetic block 6341 and the magnetic ball 643 cooperate to achieve contactless traction, avoiding the sealing problems that may be caused by mechanical connection through the three-way pipe 221, and avoiding the risk of water leakage.

[0055] Example 3: like Figures 7 to 9 As shown, the third embodiment of the present invention is basically the same as that of embodiment 1, except that: This embodiment of the self-water-replenishing photovoltaic system cleaning device includes a photovoltaic panel unit 1 and a support frame. Each photovoltaic panel unit 1 is supported on the support frame. The cleaning device includes a cleaning vehicle 2, a drive mechanism 4, and a water-filling mechanism 5. The cleaning vehicle 2 is slidably mounted on the photovoltaic panel unit 1. The drive mechanism 4 is connected to the cleaning vehicle 2 and drives the cleaning vehicle 2 to move along the photovoltaic panel unit 1 for water spraying and cleaning. The water-filling mechanism 5 is located on the support frame on one side of the movement path of the cleaning vehicle 2 and replenishes water when the cleaning vehicle 2 moves to that location. The cleaning vehicle 2 resumes spraying water after replenishing water to save water resources. This embodiment provides another water-saving approach: the cleaning vehicle 2 resumes spraying water only after replenishing water, which also achieves no water spraying during the replenishment period, but the triggering logic is different. This can adapt to certain working conditions that require replenishing water before continuing cleaning, such as scenarios where the water storage tank 23 has a small capacity or the spraying pressure depends on the full water level of the tank.

[0056] In this embodiment, the cleaning vehicle 2 includes a support base 21, a water outlet pipe 22, and a water storage tank 23. Both the water outlet pipe 22 and the water storage tank 23 are mounted on the support base 21. One end of the water outlet pipe 22 is directed towards the photovoltaic panel unit 1 for water spraying and cleaning, while the other end is connected to the water storage tank 23. The water outlet pipe 22 extends upwards and bends outside the water storage tank 23 to form a U-shaped pipe 222 that is flush with the height of the water storage tank 23. In this structure, by setting the U-shaped pipe 222, the principle of communicating vessels is cleverly applied. When the water in the water storage tank 23 is exhausted, and the cleaning vehicle 2 moves to the water filling position to replenish the water, the water level in the water storage tank 23 rises, and the water level in the U-shaped pipe 222 rises synchronously. Only when the water level in the water storage tank 23 is flush with the top of the U-shaped pipe 222 will the water outlet pipe 22 spray water due to the siphon effect. During the entire water replenishment period, no water will be sprayed. This method does not require any moving parts, has an extremely simple structure, zero wear, and zero failure, and is an extremely simple water-saving method.

[0057] Example 4: like Figures 10 to 13 As shown, the fourth embodiment of the present invention is basically the same as embodiment 3, except that: The cleaning vehicle 2 includes a traveling body 25, a loading body 26, and a water tank 23. The traveling body 25 is equipped with multiple load springs 251 and multi-stage water outlets 252. The water tank 23 is mounted on the loading body 26 and has self-sealing water outlets 231 corresponding to each multi-stage water outlet 252. The loading body 26 is supported by each load spring 251 and changes the relative position of the self-sealing water outlets 231 and the multi-stage water outlets 252 according to the weight generated by the water volume in the water tank 23. When the water volume in the water tank 23 increases, the multi-stage water outlets 252 gradually approach the self-sealing water outlets 231 and extend into the self-sealing water outlets 231. The multi-stage water outlets 252 are provided with a first-stage water outlet 2521, a second-stage water outlet 2522, and a third-stage water outlet 2533 with progressively larger water outlets from top to bottom. This structure achieves a fully mechanical automatic feedback closed loop of "water volume - weight - spring compression - relative position of the self-sealing outlet 231 and the multi-stage water outlet 252 - water output". When the water volume is sufficient, the vehicle's weight increases, the spring compression increases, the engagement depth between the multi-stage water outlet 252 and the self-sealing outlet 231 increases, and the water output automatically increases. When the water volume gradually decreases and the weight decreases, the spring rebounds, the engagement depth between the multi-stage water outlet 252 and the self-sealing outlet 231 decreases, and the water output automatically decreases. This purely mechanical automatic adjustment mechanism fundamentally eliminates reliability problems that may occur in electronic control systems, such as sensor malfunctions, circuit faults, and program overruns.

[0058] While the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the invention. Any person skilled in the art can make many possible variations and modifications to the technical solutions of the present invention, or modify them into equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention, without departing from the scope of the present invention, should fall within the protection scope of the present invention.

Claims

1. A self-water-replenishing photovoltaic system cleaning device, wherein the photovoltaic system includes photovoltaic panel units (1) and a support, and each photovoltaic panel unit (1) is supported on the support, characterized in that: The cleaning device includes a cleaning vehicle (2), a drive mechanism (4), and a water filling mechanism (5). The cleaning vehicle (2) is slidably mounted on the photovoltaic panel unit (1). The drive mechanism (4) is connected to the cleaning vehicle (2) and drives the cleaning vehicle (2) to move along the photovoltaic panel unit (1) to spray water for cleaning. The water filling mechanism (5) is set on a bracket on one side of the moving path of the cleaning vehicle (2) and replenishes water when the cleaning vehicle (2) moves to that location. The cleaning vehicle (2) is equipped with a linkage mechanism (6) that stops spraying water when replenishing water to quickly replenish water and save water resources.

2. The self-water-replenishing photovoltaic system cleaning device according to claim 1, characterized in that: The cleaning vehicle (2) includes a support base (21), a water outlet pipe (22) and a water storage tank (23). The water outlet pipe (22) and the water storage tank (23) are both installed on the support base (21). The water outlet pipe (22) is connected to the water storage tank (23). When the water filling mechanism (5) replenishes the water storage tank (23), the linkage mechanism (6) disconnects the connection between the water storage tank (23) and the water outlet pipe (22) to stop the water spraying from the water outlet pipe (22).

3. The self-water-replenishing photovoltaic system cleaning device according to claim 2, characterized in that: One end of the water outlet pipe (22) is directed toward the photovoltaic panel unit (1) for water spraying and cleaning, and the other end is connected to a three-way pipe (221) that is connected to the water storage tank (23). The linkage mechanism (6) disconnects the water outlet pipe (22) from the three-way pipe (221) to stop the water spraying from the water outlet pipe (22).

4. The self-water-replenishing photovoltaic system cleaning device according to claim 3, characterized in that: The water supply mechanism (5) includes a water supply pipe (51) and a stop (52). The stop (52) is mounted on a bracket, and the water supply pipe (51) is connected to an external water source.

5. The self-water-replenishing photovoltaic system cleaning device according to claim 3, characterized in that: The linkage mechanism (6) includes a contact member (61), a transmission member (62), a reset member (63), and a partition member (64) connected in sequence. The contact member (61) is slidably mounted on the support base (21). The partition member (64) is set inside the three-way pipe (221). The stop block (52) has an inclined surface (521). When the cleaning vehicle (2) moves to the water filling mechanism (5), the contact member (61) abuts against the stop block (52) and moves along the inclined surface (521) to drive the partition member (64) from inside the three-way pipe (221) to the water outlet pipe (22) to block the water outlet. After the cleaning vehicle (2) passes the stop block (52), the reset member (63) drives the partition member (64) from inside the water outlet pipe (22) to the three-way pipe (221) to restore the water outlet.

6. The self-water-replenishing photovoltaic system cleaning device according to claim 5, characterized in that: The abutment (61) includes a movable frame (611) and a cam (612). The movable frame (611) is slidably mounted on the support base (21), the cam (612) is movably connected to the movable frame (611), and the transmission member (62) is connected to the movable frame (611).

7. The self-water-replenishing photovoltaic system cleaning device according to claim 6, characterized in that: The transmission component (62) includes a pulley (621) and a connecting rope (622). The pulley (621) is movably connected to the support base (21). One end of the connecting rope (622) is connected to the movable frame (611), and the other end is connected to the reset component (63) after the pulley (621) is reversed.

8. The self-water-replenishing photovoltaic system cleaning device according to claim 7, characterized in that: The reset component (63) includes a mounting base (631), a guide rod (632), a reset spring (633), and a sliding frame (634). The mounting base (631) is fixedly mounted on the support base (21). The guide rod (632) is movably mounted on the mounting base (631). One end of the guide rod (632) is connected to the connecting rope (622), and the other end is connected to the sliding frame (634). The reset spring (633) is sleeved on the guide rod (632) between the mounting base (631) and the sliding frame (634). The partition (64) is connected to the sliding frame (634).

9. The self-water-replenishing photovoltaic system cleaning device according to claim 8, characterized in that: The partition (64) includes a connecting rod (641) and a ball (642). One end of the connecting rod (641) is connected to the sliding frame (634), and the other end is inserted into the three-way pipe (221). The ball (642) is disposed in the three-way pipe (221) and connected to the end of the connecting rod (641).

10. The self-watering photovoltaic system cleaning device according to claim 7, characterized in that: The reset component (63) includes a mounting base (631), a guide rod (632), a reset spring (633), and a sliding frame (634). The mounting base (631) is fixedly mounted on the support base (21). The guide rod (632) is movably mounted on the mounting base (631). One end of the guide rod (632) is connected to the connecting rope (622), and the other end is connected to the sliding frame (634). The reset spring (633) is sleeved on the guide rod (632) between the mounting base (631) and the sliding frame (634). The sliding frame (634) is provided with a magnetic block (6341) for moving the traction partition (64).

11. The self-watering photovoltaic system cleaning device according to claim 10, characterized in that: The partition (64) includes a magnetic ball (643) which is disposed inside the tee pipe (221) and can move between the tee pipe (221) and the outlet pipe (22) under the traction of the magnetic block (6341).

12. The self-water-replenishing photovoltaic system cleaning device according to any one of claims 1 to 11, characterized in that: The support frame is also equipped with a parking platform (3) for parking the cleaning vehicle (2).

13. The self-watering photovoltaic system cleaning device according to claim 12, characterized in that: The drive mechanism (4) includes a drive motor (41), a drive wheel (42) and a wire rope (43). The drive motor (41) is mounted on the parking platform (3). The drive wheel (42) is connected to the output end of the drive motor (41). The wire rope (43) is wound around the drive wheel (42) and connected to the support seat (21).

14. The self-watering photovoltaic system cleaning device according to claim 13, characterized in that: The cleaning vehicle (2) is equipped with rollers (24) that slide on the photovoltaic panel unit (1) at the bottom.

15. A self-water-replenishing photovoltaic system cleaning device, wherein the photovoltaic system includes photovoltaic panel units (1) and a support, each photovoltaic panel unit (1) being supported on the support, characterized in that: The cleaning device includes a cleaning vehicle (2), a drive mechanism (4), and a water filling mechanism (5). The cleaning vehicle (2) is slidably mounted on the photovoltaic panel unit (1). The drive mechanism (4) is connected to the cleaning vehicle (2) and drives the cleaning vehicle (2) to move along the photovoltaic panel unit (1) to spray water for cleaning. The water filling mechanism (5) is set on a bracket on one side of the moving path of the cleaning vehicle (2) and replenishes water when the cleaning vehicle (2) moves to that location. The cleaning vehicle (2) resumes spraying water after replenishing water to save water resources.

16. The self-watering photovoltaic system cleaning device according to claim 15, characterized in that: The cleaning vehicle (2) includes a support base (21), a water outlet pipe (22) and a water storage tank (23). The water outlet pipe (22) and the water storage tank (23) are both installed on the support base (21). One end of the water outlet pipe (22) is directed toward the photovoltaic panel unit (1) for water spraying and cleaning, and the other end is connected to the water storage tank (23). The water outlet pipe (22) extends upward outside the water storage tank (23) and bends to form a U-shaped pipe (222) that is flush with the height of the water storage tank (23).

17. The self-water-replenishing photovoltaic system cleaning device according to claim 15, characterized in that: The cleaning vehicle (2) includes a walking vehicle body (25), a loading vehicle body (26), and a water storage tank (23). The walking vehicle body (25) is equipped with multiple load springs (251) and multi-stage water outlets (252). The water storage tank (23) is installed on the loading vehicle body (26). The water storage tank (23) is equipped with self-sealing water outlets (231) corresponding to each multi-stage water outlet (252). The loading vehicle body (26) is supported by each load spring (251) and changes the relative position of the self-sealing water outlet (231) and the multi-stage water outlets (252) according to the weight generated by the water storage in the water storage tank (23).

18. The self-watering photovoltaic system cleaning device according to claim 17, characterized in that: When the water volume in the water storage tank (23) increases, the multi-stage water outlet (252) gradually approaches the self-sealing water outlet (231) and extends into the self-sealing water outlet (231).

19. The self-watering photovoltaic system cleaning device according to claim 18, characterized in that: The multi-stage water outlet (252) is provided with a first-stage water outlet (2521), a second-stage water outlet (2522), and a third-stage water outlet (2533) with progressively larger water outlets from top to bottom.

20. The self-water-replenishing photovoltaic system cleaning device according to any one of claims 15 to 19, characterized in that: The support frame is also equipped with a parking platform (3) for parking the cleaning vehicle (2).

21. The self-watering photovoltaic system cleaning device according to claim 20, characterized in that: The drive mechanism (4) includes a drive motor (41), a drive wheel (42) and a wire rope (43). The drive motor (41) is mounted on the parking platform (3). The drive wheel (42) is connected to the output end of the drive motor (41). The wire rope (43) is wound around the drive wheel (42) and connected to the support seat (21).

22. The self-watering photovoltaic system cleaning device according to claim 21, characterized in that: The cleaning vehicle (2) is equipped with rollers (24) that slide on the photovoltaic panel unit (1) at the bottom.

Images