Photovoltaic cleaning robot

Abstract

The utility model relates to the technical field of photovoltaic equipment cleaning, solves the problem that in the prior art, photovoltaic cleaning equipment cannot adapt to the surface of a photovoltaic panel with height difference, and particularly discloses a photovoltaic cleaning robot which comprises a robot body and a rolling brush support. The machine body is connected with the rolling brush support through a connecting pin, and the rolling brush support is used for rotating around the central axis of the connecting pin. A first limiting part and a second limiting part are arranged at the two ends of the connecting pin respectively, and the first limiting part and the second limiting part abut against the machine body and the rolling brush support respectively, so that the rolling brush support is limited to the machine body through the connecting pin. The photovoltaic panel cleaning device is used for quickly and automatically cleaning a photovoltaic panel and has modular design, the rolling brush can be automatically adjusted according to the heights of different cleaning surfaces, and the adaptability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic equipment cleaning technical field, especially a photovoltaic cleaning robot. BACKGROUND

[0002] With the concern of society to energy security and the worry of environmental deterioration, environmental sustainability has become the core goal of global public policy. Under this background, the use and development of renewable energy has become a key strategy to ensure energy security, strengthen environmental protection and respond to climate change. Among many renewable energy technologies, the cleaning work of photovoltaic panels is one of the key links of photovoltaic power station operation and maintenance, which plays a crucial role in protecting the performance of photovoltaic panels and prolonging their service life. According to research, accumulated dust can reduce the power generation efficiency of solar panels by 17% to 25%. Regular cleaning, such as cleaning the surface of solar panels every 20 to 30 days, can increase power generation by an average of about 50%.

[0003] However, photovoltaic panels of photovoltaic power stations are usually installed at a high position, which makes the cleaning work highly dangerous. Manual cleaning is not only cumbersome, costly and inefficient, but also difficult to ensure cleaning quality. Traditional cleaning methods cannot meet the current market demand, and although conventional cleaning robots can clean the same plane or the same row of photovoltaic panels, they are expensive and burdensome to the power station, and the cleaning quality is still difficult to guarantee. When there is a height difference between adjacent photovoltaic panel surfaces, it is often difficult to cross obstacles or to ensure thorough and comprehensive cleaning of the surface near the panel height difference. Therefore, it is of great practical significance to research and develop a photovoltaic power station dedicated cleaning robot that is easy to operate, easy to disassemble and transport, low in cost, easy to maintain and high in cleaning efficiency. SUMMARY

[0004] To solve the problem that the existing photovoltaic cleaning equipment cannot adapt to the surface of photovoltaic panels with height difference, the utility model provides a photovoltaic cleaning robot.

[0005] The technical scheme adopted by the utility model is:

[0006] A photovoltaic cleaning robot, comprising a machine body and a roller brush support, the machine body and the roller brush support are connected through a connecting pin, the roller brush support is used to rotate around the central axis of the connecting pin;

[0007] Wherein, the connecting pin is provided with a first limiting part and a second limiting part at both ends respectively, the first limiting part and the second limiting part respectively abut against the machine body and the roller brush support, so that the roller brush support is limited on the machine body through the connecting pin.

[0008] Further, the first limiting part is a pin cap arranged at one end of the connecting pin, the second limiting part is a limiting hole arranged at one end of the connecting pin, and a limiting pin is inserted into the limiting hole, and the connecting pin is used to limit the roller brush support on the machine body through the pin cap and the limiting pin.

[0009] Further, the machine body and the roller brush support are both provided with a pin hole for mounting the connecting pin.

[0010] The insertion direction of the limiting pin is perpendicular to the central axis of the connecting pin, and the limiting pin is used to externally connect the pull ring.

[0011] Further, it comprises a cleaning module, a driving module, a power source module and a water passing module.

[0012] The cleaning module and the water passing swing rod module are detachably connected to the roller brush support, and the driving module and the power source module are detachably connected to the machine body.

[0013] Further, the machine body is detachably connected with a scraper module, the scraper module comprises a scraper connected to one side of the main body, and the scraper acts on the surface to be cleaned.

[0014] Further, the roller brush support is provided with a brush head assembly, and the brush head assembly comprises a roller brush, and the roller brush is used to externally connect a roller brush motor.

[0015] The machine body is provided with a rotary joint, one end of the rotary joint is connected to the water supply pipe and communicates with the water spraying head, and the other end of the rotary joint is used to connect the water supply mechanism.

[0016] The roller brush support is connected with a protective cover arranged around the roller brush, and the protective cover is used to semi-wrap the roller brush and shield the liquid thrown out of the roller brush.

[0017] Further, the machine body is connected with a track walking mechanism, the track walking mechanism comprises a walking motor arranged in the machine body, the walking motor is electrically connected with a power supply assembly, the walking motor is connected with driving wheels located on both sides of the machine body, the driving wheels are connected with driven wheels through walking tracks, the walking tracks are provided with guide grooves, and the driving wheels and the driven wheels are provided with protruding guide rails matched with the guide grooves.

[0018] Further, the driven wheel is connected with a deviation rectifying assembly, and the deviation rectifying assembly is provided with an adjusting bolt.

[0019] Further, a suspension assembly is connected to the machine body between the driving wheel and the driven wheel, the suspension assembly comprises a suspension auxiliary wheel, the suspension auxiliary wheel is connected to the machine body through an auxiliary wheel support, a surface of the suspension auxiliary wheel is matched with an inner wall of the walking track, and the surface of the suspension auxiliary wheel is provided with an auxiliary wheel guide rail matched with the guide rail groove.

[0020] Further, the suspension auxiliary wheel is in the shape of a gear or a cylindrical wheel.

[0021] Further, a plurality of anti-falling sensors are arranged on both sides of the machine body.

[0022] The photovoltaic cleaning robot has the advantages that:

[0023] The photovoltaic cleaning robot has the advantages that: ACCOMPA

[0024] Figure 1 It is a perspective view of the photovoltaic cleaning robot;

[0025] Figure 2 It is a top view of the photovoltaic cleaning robot;

[0026] Figure 3 It is a partial view of the connection pin and the limiting pin; Figure 2

[0027] Figure 4 It is a front view of the photovoltaic cleaning robot;

[0028] Figure 5 It is a partial view of the track walking mechanism; Figure 4

[0029] Figure 6 ​​A three-dimensional structure diagram of the crawler walking mechanism of the utility model;

[0030] Figure 7 For Figure 6 A three-dimensional structure diagram of the suspension assembly.

[0031] Reference signs:

[0032] 1-rolling brush support, 2-water spraying head, 3-fall prevention sensor, 4-rolling brush, 5-limiting pin, 6-water supply pipe, 7-protection cover, 8-connecting pin, 9-rolling brush motor, 10-crawler walking mechanism, 11-power supply assembly, 12-machine main body, 13-rotary joint, 14-walking motor, 15-walking crawler belt, 16-driving wheel, 17-suspension auxiliary wheel, 18-guide rail groove, 19-driven wheel, 20-correction device, 21-suspension assembly, 22-auxiliary wheel support. DETAILED DESCRIPTION

[0033] The utility model will be explained in detail below in combination with the drawings and examples.

[0034] Example 1

[0035] This example is the basic implementation scheme of the photovoltaic cleaning robot of the utility model, in order to solve the problem that the existing photovoltaic cleaning equipment cannot adapt to the surface of photovoltaic panels with height difference, please refer to Figures 1-3 This example includes machine main body 12 and rolling brush support 1, and machine main body 12 and rolling brush support 1 are connected through connecting pin 8, and the both ends of connecting pin 8 are respectively provided with first limiting part and second limiting part;

[0036] As a preferred embodiment, the first limiting part can be a pin cap arranged at one end of the connecting pin 8, and the second limiting part can be a limiting hole arranged at one end of the connecting pin 8, and a limiting pin 5 is inserted into the limiting hole. Two single ears can be arranged on the rolling brush support 1 and are holed, and the machine main body 12 is also provided with the same structure for installing the connecting pin 8, and the connecting pin 8 is positioned from both ends through the pin cap and the limiting pin 5, so as to prevent falling off;

[0037] The structure enables the rolling brush support 1 to rotate around the central axis of the connecting pin 8; when the robot walks to the adjacent photovoltaic panel with height difference, the rolling brush 4 adhering to the photovoltaic panel will walk to the photovoltaic panel of another height, and the rolling brush 4 can drive the rolling brush support 1 to rotate around the connecting pin 8 under the action of gravity or surface support, so as to adjust the height relative to the surface of the photovoltaic panel, so that the rolling brush 4 continues to adhere to the new height of the photovoltaic panel for cleaning; the structure enables the robot to automatically move up and down on the panel to adapt to the height, regardless of whether the cleaning surface is raised or lowered, so as to ensure that the equipment can always perform efficient, uniform and consistent cleaning operation, greatly improve the cleaning efficiency, and avoid the problem of poor cleaning effect caused by the change of the cleaning surface height; at the same time, the structure also facilitates the disassembly and connection between the rolling brush 4 assembly and the machine body 12, and only needs to pull out the limiting pin 5 and the connecting pin 8 in sequence to separate the rolling brush support 1 from the machine body 12, thereby significantly reducing the difficulty of disassembly, maintenance and replacement, facilitating transportation, improving maintenance efficiency, and reducing the use difficulty of the user.

[0038] As a preferred embodiment, the photovoltaic cleaning robot can be configured with a remote control function, for example, using remote control technology, so that the operator can accurately control within a range of 100 meters from the machine, the user experience is better, the operation mode is simple and intuitive, and the operation process is greatly simplified. Through this embodiment, the robot can effectively reduce the dependence on manual labor and reduce labor costs, thereby saving expenses for users.

[0039] Embodiment 2

[0040] In order to facilitate the rotation of the rolling brush support 1 and facilitate the quick disassembly and assembly of the rolling brush 4 assembly, please refer to Figures 1-3 In this embodiment, pin holes for installing the connecting pin 8 are formed in the machine body 12 and the rolling brush support 1, the connecting pin 8 can be cylindrical to support the rotation of the rolling brush support 1, the limiting pin 5 is inserted into the connecting pin 8 in a direction perpendicular to the central axis of the connecting pin 8 to limit the movement of the connecting pin 8, and the limiting pin 5 is connected with a pull ring, which can be pulled out to remove the limiting pin 5, and then the connecting pin 8 is pulled out to disassemble the entire rolling brush support 1 and the components thereon, facilitating maintenance and transportation work.

[0041] Embodiment 3

[0042] The embodiment is based on embodiment 1, in order to enable quick disassembly and connection between each part of the whole device, so that each part can be quickly repaired and replaced and convenient for transportation, the embodiment divides the whole device into cleaning module, driving module, power source module and water passing module; wherein the cleaning module and the water passing swing rod module are detachably connected to the roller brush support 1; the cleaning module can include components installed on the roller brush support 1 for cleaning the surface of the panel, such as the roller brush 4 and its roller brush motor 9, and the water spraying head 2 for spraying water to clean the surface of the panel; the water passing swing rod module can include a rotatable adjustable roller brush support 1 and a water passing assembly on the roller brush support 1, such as a water supply pipe 6 for supplying water to the water spraying head 2; the driving module and the power source module are detachably connected to the machine body 12, the driving module can include components for driving the robot to walk, such as the track walking assembly and its walking motor 14, and the power source module can include components for providing energy for the operation of the robot, such as the lithium battery power supply assembly 11. The detachable connection design between each module not only makes the overall structure more compact, but also enables them to be quickly disassembled, repaired and replaced, greatly improving the maintenance and repair efficiency of the robot, so that the user can easily operate when encountering failure or transfer, thereby ensuring the long-term stable operation of the robot and facilitating the transfer and storage.

[0043] The above modular structure can adopt bolt connection, bolt connection, buckle connection and the like, which can be flexibly selected and directly applied according to the prior art. The structure setting enables the photovoltaic cleaning robot of the utility model to easily cope with the assembly in the limited space through the narrow channel, and the weight of each part after disassembly is moderate, which is convenient for manual transportation and also suitable for using small transportation tools for quick transfer. The structure enables the robot to be quickly deployed in various application scenarios, greatly improving its applicability and operation efficiency. At the same time, the modular design also greatly improves the expandability of the product, providing convenience for future upgrading and innovation.

[0044] Embodiment 4

[0045] The embodiment is based on embodiment 1, in order to clean the rainwater, sewage or water sprayed in the process of machine cleaning on the surface of the photovoltaic panel, protect the smoothness of the surface of the photovoltaic panel and improve the absorption effect of solar energy, the machine body 12 of the embodiment is detachably connected with a scraper module, the scraper module includes a scraper connected to one side of the body, the scraper acts on the surface of the photovoltaic panel to be cleaned, and is used for removing surface sewage and improving the cleaning effect; the scraper module of the embodiment can also be cooperated with each detachable module in embodiment 3 to form a detachable structure, which is convenient for maintenance, replacement and transportation.

[0046] The scraper module not only improves the cleaning efficiency, but also effectively reduces the potential damage of water stains to the solar panels, prolonging the service life of the solar panels. The use of the scraper can also improve the photoelectric conversion efficiency of the solar panels. A clean surface can better absorb sunlight, thereby improving the overall power generation efficiency.

[0047] Embodiment 5

[0048] This embodiment is based on embodiment 1. To improve the cleaning effect of the cleaning robot of the utility model, please refer to Figure 1 、 Figure 2 、 Figure 4 A brush head assembly is arranged on the roller brush support 1, the brush head assembly includes a roller brush 4, the roller brush 4 is connected with a roller brush motor 9, a protective cover 7 arranged on the periphery of the roller brush 4 is connected on the roller brush support 1, a water spraying head 2 is further arranged on the roller brush support 1, the water spraying head 2 is connected with a water supply pipe 6, the water supply pipe 6 is connected with a rotary joint 13, the rotary joint 13 is arranged on the machine body 12, and the rotary joint 13 is connected with a water supply mechanism. When the equipment is in the cleaning process, the roller brush motor 9 drives the roller brush 4 to rotate at high speed, the roller brush 4 can be arranged as a wool roller brush 4 and other components that will not damage the photovoltaic panel, so that the roller brush 4 can efficiently remove the dirt and dust on the surface, and the water spraying head 2 can spray fan-shaped water mist to form a water curtain, so that the water flow is attached to the surface of the photovoltaic panel, and the dirt is washed by the impact force of the high-pressure water and the flow of the water flow, so that the roller brush 4 realizes more thorough cleaning effect, and the protective cover 7 on the periphery of the roller brush 4 can block the dirt during the cleaning process, so as to avoid splashing to other places and affecting the cleaning effect.

[0049] Embodiment 6

[0050] This embodiment is based on embodiment 1. To ensure the walking stability and obstacle crossing ability of the robot, please refer to Figures 4-7The machine body 12 is connected with a track walking mechanism 10, the track walking mechanism 10 comprises a walking motor 14 arranged in the machine body 12, the walking motor 14 is electrically connected with a power supply assembly 11, the walking motor 14 is connected with driving wheels 16 located on both sides of the machine body 12, the driving wheels 16 are connected with driven wheels 19 through walking tracks 15, the walking tracks 15 are provided with guide rail grooves 18, and the driving wheels 16 and the driven wheels 19 are provided with protruding guide rails matched with the guide rail grooves 18. The track walking mechanism 10 provides higher adaptability and stability for the robot to cope with various complex and changeable terrain conditions, wherein the driving wheels 16 and the driven wheels 19 are arranged in pairs and distributed on both sides of the track, the walking power is provided by the walking motor 14, the power source is the power supply assembly 11 installed in the machine body 12, the driving wheels 16 and the driven wheels 19 are driven to move, so that the walking tracks 15 are driven to walk on the photovoltaic panel by friction, and the walking is more stable and efficient. Compared with other motion systems, the track walking mechanism 10 has a larger contact area with the photovoltaic panel, so that the robot can move stably on a slope with a large slope, and can maintain good stability even in complex terrain conditions. The guide rail groove 18 ensures that the walking track 15 can remain stable during operation, and the middle parts of the driving wheels 16 and the driven wheels 19 are provided with corresponding protruding structures, which can effectively prevent the walking track 15 from derailing in complex terrain or severe motion. Through the above structure, the stability and reliability of the walking track 15 of the utility model are significantly improved, so as to ensure the normal operation of the equipment under various working conditions.

[0051] The driven wheels 19 are connected with a deviation correction assembly, and the deviation correction assembly is provided with an adjusting bolt. The rotation axis of the driven wheel 19 can be finely adjusted through the adjusting bolt, so that the tension of the walking track 15 is finely adjusted, and then the direction of advancement is affected. This function realizes the fine adjustment of the deviation of the walking track, and the main deviation correction function can be realized by controlling the rotating speed of the walking motor 14.

[0052] The power supply assembly 11 can be a lithium battery pack, and a built-in detachable and replaceable battery system is arranged. When the battery power of the robot is gradually consumed, the user can conveniently take out the old battery and quickly install a brand new spare battery, greatly improving the practicability of the robot and ensuring that it can continuously work without interruption, so as to meet the needs of long-time use of the user, and the user does not need to worry about the problem of machine shutdown due to battery depletion, and can be more focused on the completion of the task, improving the work efficiency. The robot can also be provided with a low power reminding function, so that the user can be notified in time when the power is insufficient, avoiding the sudden shutdown of the robot during work. This function ensures that the robot can continuously work during operation and will not stop halfway due to power depletion, thereby improving the reliability of the robot and the user's experience.

[0053] Embodiment 7

[0054] In order to ensure that the walking track 15 can be well attached to the walking surface and enhance the walking stability of the cleaning robot, please refer to Figures 5-7 In this embodiment, the machine body 12 between the driving wheel 16 and the driven wheel 19 is connected with a suspension assembly 21, the suspension assembly 21 includes a suspension auxiliary wheel 17, the suspension auxiliary wheel 17 is connected with the machine body 12 through an auxiliary wheel support 22, the surface of the suspension auxiliary wheel 17 is attached to the inner wall of the walking track 15, and the surface of the suspension auxiliary wheel 17 is provided with an auxiliary wheel guide rail matched with the guide rail groove 18.

[0055] The suspension assembly 21 is arranged in pairs and distributed on both sides of the track, each group of suspension assembly 21 is composed of a pair of suspension auxiliary wheels 17, the suspension auxiliary wheels 17 are connected through a suspension system, can be flexibly adjusted in different terrains, increase the contact area of the track and the solar panel, so as to maintain the best friction and traction, and enhance the climbing ability and stability of the track vehicle; the setting of each group of suspension auxiliary wheels 17 can effectively absorb the impact force when the walking track 15 meets uneven ground, and reduce the vibration and damage to the whole mechanical structure. The pair of suspension auxiliary wheels 17 can better disperse the weight and ensure that the track can still maintain stable grip in complex terrain. Preferably, the suspension auxiliary wheel 17 is in the shape of a gear or a cylindrical wheel, the engagement connection between the gear shape and the walking track 15 is more stable and less prone to derailment, and the fitting surface of the cylindrical wheel shape is more flat and has stronger climbing ability.

[0056] Embodiment 8

[0057] Based on embodiment 1, in order to further improve the safety performance of the robot, please refer to Figure 2 The machine body 12 can be equipped with a fall prevention sensor 3 at four corners, such as an ultrasonic sensor, a laser sensor, an infrared sensor and the like. These sensors can monitor the surrounding environment in real time and timely detect potential obstacles and dangers. The fall prevention operation system matched with the robot can effectively prevent the robot from falling, so as to ensure that the robot can safely run on photovoltaic panels of various heights and slopes; at the same time, this function can also be manually turned off by the user to pass through narrow areas, the user can flexibly control the running state of the equipment according to the actual situation, and ensure that the equipment can also run smoothly in limited space. In addition, the robot of the utility model can also be equipped with an anti-misoperation system to ensure that accidents can be avoided to the greatest extent during use: when the system detects that the equipment approaches the boundary of the photovoltaic panel, the operation of the remote controller will be immediately locked to prevent further misoperation, at the same time, the robot will automatically retreat and return to the safe area, thereby effectively preventing the equipment from falling due to misoperation. This function not only improves the safety and reliability of the operation, but also brings a more secure use experience to the user.

[0058] The above-described embodiments only express the specific implementation of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of protection of the present application.

Claims

1. A photovoltaic cleaning robot, characterized in that, The machine body (12) and the rolling brush support (1) are connected through a connecting pin (8), and the rolling brush support (1) is used to rotate around the central axis of the connecting pin (8); The first limiting part and the second limiting part are respectively arranged on the two ends of the connecting pin (8), and the first limiting part and the second limiting part respectively abut against the machine body (12) and the rolling brush support (1), so that the rolling brush support (1) is limited on the machine body (12) through the connecting pin (8).

2. A photovoltaic cleaning robot according to claim 1, characterized in that The first limiting part is a pin cap arranged at one end of the connecting pin (8), and the second limiting part is a limiting hole arranged at one end of the connecting pin (8), and a limiting pin (5) is inserted into the limiting hole, and the connecting pin (8) is used to limit the rolling brush support (1) on the machine body (12) through the pin cap and the limiting pin (5).

3. A photovoltaic cleaning robot according to claim 2, characterized in that The machine body (12) and the rolling brush support (1) are both provided with a pin hole for installing the connecting pin (8); The insertion direction of the limiting pin (5) is perpendicular to the central axis of the connecting pin (8), and the limiting pin (5) is used to connect the pull ring.

4. The photovoltaic cleaning robot of claim 1, wherein, The machine body (12) and the rolling brush support (1) are both provided with a pin hole for installing the connecting pin (8); The cleaning module and the water passing swing rod module are detachably connected to the rolling brush support (1), and the driving module and the power source module are detachably connected to the machine body (12).

5. The photovoltaic cleaning robot of claim 1, wherein, The machine body (12) is detachably connected with a scraper module, and the scraper module comprises a scraper connected to one side of the body, and the scraper acts on the surface to be cleaned.

6. The photovoltaic cleaning robot of claim 1, wherein, The rolling brush support (1) is provided with a brush head assembly, and the brush head assembly comprises a rolling brush (4), and the rolling brush (4) is used to connect a rolling brush motor (9) outside; The rolling brush support (1) is also provided with a water spraying head (2), and the machine body (12) is provided with a rotary joint (13), one end of the rotary joint (13) is connected with the water spraying head (2) through a water supply pipe (6), and the other end of the rotary joint (13) is used to connect a water supply mechanism; The rolling brush support (1) is connected with a protective cover (7) arranged outside the rolling brush (4), and the protective cover (7) is used to semi-wrap the rolling brush (4) and shield the liquid thrown out of the rolling brush (4).

7. The photovoltaic cleaning robot of claim 1, wherein, The machine body (12) is connected with a track walking mechanism (10), the track walking mechanism (10) comprises a walking motor (14) arranged inside the machine body (12), the walking motor (14) is electrically connected with a power supply assembly (11), the walking motor (14) is connected with driving wheels (16) located on both sides of the machine body (12), the driving wheels (16) are connected with driven wheels (19) through walking tracks (15), the walking tracks (15) are provided with guide grooves (18), and the driving wheels (16) and the driven wheels (19) are provided with protruding guide rails matched with the guide grooves (18); The shaft of the driven wheel (19) is connected with a deviation rectifying assembly, and the deviation rectifying assembly is provided with an adjusting bolt.

8. A photovoltaic cleaning robot according to claim 7, characterized in that The machine body (12) between the driving wheel (16) and the driven wheel (19) is connected with a suspension assembly (21), the suspension assembly (21) comprises a suspension auxiliary wheel (17), the suspension auxiliary wheel (17) is connected with the machine body (12) through an auxiliary wheel support (22), the surface of the suspension auxiliary wheel (17) is matched with the inner wall of the walking track (15), and the surface of the suspension auxiliary wheel (17) is provided with an auxiliary wheel guide rail matched with the guide rail groove (18).

9. A photovoltaic cleaning robot according to claim 8, characterized in that The suspension auxiliary wheel (17) is in the shape of a gear or a cylindrical wheel.

10. The photovoltaic cleaning robot of claim 1, wherein, A plurality of anti-falling sensors (3) are arranged on both sides of the machine body (12).

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