CN106269601A - Solar panel clearing apparatus and system - Google Patents

Abstract

The invention relates to the technical field of automatic cleaning, and specifically discloses a solar panel cleaning device and system. The solar battery panel cleaning device of the present invention does not need to be modified for the solar battery panel, and can be effectively cleaned by being directly placed on the surface of the solar battery panel; it can also be effectively cleaned when the gap between the solar battery panels is large or the solar battery panel is inclined. clean up. The solar battery panel cleaning system of the present invention adopts the mode of transfer, realizes the transfer work of cleaning devices in different solar panel group areas, and realizes the complete automation of the cleaning process.

Description

Solar panel cleaning device and system

technical field

The invention relates to the technical field of automatic cleaning, in particular to a solar panel cleaning device and system.

Background technique

Facing the challenges brought by global climate change and energy security issues, human beings need to seek renewable energy, and solar energy is a clean and renewable energy. With the reduction of the cost of solar power generation, the photovoltaic industry has entered a new era of global development. The solar panel is the source of electricity generated by the solar power station, and the efficiency of photovoltaic modules to convert solar energy directly determines the power generation of the solar power station. my country's ground-mounted photovoltaic power stations are mainly concentrated in the northwest region. These regions are rich in solar energy resources and have more than 3200 hours of sunshine throughout the year. However, the natural environment in the northwest region is relatively harsh, especially in the spring and autumn. Sandstorms will bring a lot of dust to the surface of photovoltaic modules Dust has seriously affected the power generation of photovoltaic modules. Generally, for solar cell modules that have not been cleaned for 3 months, there will be a 5% output power loss. In the case of days without cleaning, the loss can reach about 12%.

At present, for the dust removal of photovoltaic power plants, cleaning methods such as manual, high-pressure water guns, and spray systems are adopted. The cleaning efficiency of manual cleaning is low, and the difference in personnel quality makes the cleaning process difficult to control, the cleaning effect is poor in consistency, and the glass of the component is worn, which affects the light transmittance and life; the high-pressure water gun cleans with a large amount of water, and the water consumption for each cleaning of 1MW is about 10 tons , not suitable for water-deficient areas. Some water guns have high pressure, which will cause cracks in components. Mountain power stations that are not suitable for vehicles cannot be used; the cleaning effect of the spray system is not good, and the water consumption is large. The water consumption for each cleaning of 1MW is about 6-7 tons.

The existing disclosed devices for automatically cleaning solar panels often need to modify the solar panel group and add a bracket, which requires relatively high installation requirements for the solar panel group, which must be closely installed in the same horizontal plane, and the gap between the solar panels is small. It cannot be cleaned when it is large or tilted; it cannot clean the solar panel groups installed in different areas; it does not need an external support device, and it cannot clean the edge of the solar panel; it cannot clean itself, which will cause the cleaning brush to be too dirty and affect the cleaning device cleaning effect.

Contents of the invention

The present invention aims to overcome the defects in the above-mentioned prior art, and provides a novel solar cell panel cleaning device, which can be directly placed on the surface of the solar cell panel for effective cleaning without any modification to the solar cell panel and the bracket; It can also clean effectively when the gap between the panels is large or the solar panels are tilted.

To achieve the above object, the present invention adopts the following technical solutions:

On the one hand, the present invention provides a solar cell panel cleaning device, comprising: a moving rail arranged on the solar cell panel, a control system, and a traveling mechanism, a cleaning mechanism, and a power supply device arranged on the moving rail; The mechanism is arranged between the solar panel and the moving guide rail, and the traveling mechanism supports the moving guide rail; the moving guide rail includes at least two beams and two upright beams, and the beam and the two The vertical beams form a rectangular frame, and the cross beams are arranged outside the light-emitting area of the solar cell panel.

Preferably, the traveling mechanism includes a traveling motor, traveling wheels and supporting wheels arranged on the beam; the traveling motor drives the traveling mechanism to move.

Preferably, there are no less than six traveling wheels, which are respectively arranged on the crossbeam.

Preferably, the power supply device is arranged on the lower side of the moving guide rail; the power supply device is a storage battery or a solar cell.

Preferably, the cleaning mechanism includes a cleaning motor and a cleaning brush, and the cleaning brush is arranged outside the moving guide rail and parallel to the vertical beam.

Preferably, the cleaning motor and the traveling motor are the same motor.

Preferably, the cleaning brush includes a plurality of segmented brush rods, and the plurality of segmented brush rods are connected by a coupling

Preferably, the cleaning mechanism further includes a self-cleaning rod, and the self-cleaning rod is arranged on the upper side of the cleaning brush.

Preferably, the control system includes an intelligent controller, a control terminal and a monitoring module; the intelligent controller controls the traveling motor and the cleaning motor; the intelligent controller realizes remote control through the control terminal.

On the other hand, the present invention provides a solar panel cleaning system, including the above-mentioned cleaning device, the cleaning system also includes a transfer device connected to the cleaning device, and the transfer device is used to control the cleaning device in different solar energy Movement between panel areas.

Preferably, the transfer device is a transfer vehicle, and the transfer vehicle includes a vehicle body, a lifting module and an adjustment module; the transfer vehicle also includes a control system and a charging system, respectively realizing the control and charging of the cleaning device.

The beneficial effects of the present invention are: to provide a novel solar cell panel cleaning device, which can be placed directly on the surface of the solar cell panel for effective cleaning without any modification to the solar cell panel; Effective cleaning is also possible when the panel is tilted. The cleaning device provided by the invention can be cleaned without water, and is especially suitable for water-deficient and arid regions such as Northwest China. The cleaning device with the cleaning brush and the blower can clean most of the dirt on the solar panel.

In addition, the solar battery panel cleaning system provided by the present invention adopts a transfer method to realize the transfer work of cleaning devices in different solar panel group areas, and the cleaning process realizes complete automation.

Description of drawings

Fig. 1 is a schematic structural view of a cleaning device according to an embodiment of the present invention.

Fig. 2 is a front view of a cleaning device according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a transfer vehicle according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of a transfer mode of a transfer vehicle according to an embodiment of the present invention.

Reference signs:

Traveling mechanism 10: driving traveling side wheel 101A, driving traveling side wheel 101B, driven traveling wheel 102A, driven traveling wheel 102B, driven traveling wheel 102C, driven traveling wheel 102D, driving traveling wheel 102E, driving traveling wheel 102F, Anti-overturn support wheel 103, floating support side wheel 104A, floating support side wheel 104B, upper travel motor 105, lower travel motor 106;

Moving guide rail 107, limit sensor 108, beam 109, vertical beam 110;

Cleaning mechanism 20: cleaning motor 201, cleaning brush 202, self-cleaning rod 203;

Power supply device 30; Intelligent controller 40;

Transfer vehicle 50: vehicle body 501, lifting module 502, adjustment module 503, control system 504, charging system 505;

Solar panel 60: first solar panel group area 601, second solar panel group area 602;

Transfer car track 70.

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.

Referring first to Fig. 1 and shown in Fig. 2, a solar cell panel cleaning device of an embodiment includes: a moving guide rail 107 arranged on a solar cell panel 60, a control system, and a traveling mechanism 10 arranged on the moving guide rail 107, Cleaning mechanism 20 and power supply device 30. The moving guide rail 107 is bridged on the solar panel 60 .

Wherein, the moving guide rail 107 includes at least two beams 109 and two vertical beams 110, and the beams 109 may be 2, 3, 4, 5, 6, 7 or 8 and so on. The beam 109 and the upright beam 110 form a rectangular frame, and the rectangular frame is parallel to the upper surface of the solar panel, and the two upright beams 110 are respectively provided with limit sensors 108 . When the moving guide rail 107 moves to the left and right edges of the solar panel 60, a signal is sent to control the moving guide rail 107 to stop.

The traveling mechanism 10 includes a traveling motor, traveling wheels and supporting wheels arranged on the beam 109; wherein, the traveling motor drives the traveling mechanism 10 to move.

The traveling mechanism 10 is arranged between the solar panel 60 and the moving guide rail 107, and lifts the moving guide rail 107; , The down travel motor 106 can adopt a stepping motor or a servo motor or the like. There are no less than 6 road wheels, including driving road wheels and driven road wheels, and can also be 8 or 10 and so on.

When the width of each row of solar panels is less than 2 meters, 6 traveling wheels can be used; when the width of each row of solar panels is greater than 2 meters, 8 traveling wheels can be used. When there are 6 traveling wheels, 2 traveling wheels are arranged on the side of the solar panel 60, and 4 traveling wheels are arranged on the front of the solar panel 60. When adopting 8 traveling wheels, as shown in Figure 2, the traveling wheels can include driving traveling side wheels 101A, driving traveling side wheels 101B, driven traveling wheels 102A, 102B, 102C, 102D, driving traveling wheels 102E, 102F, respectively Distributed on three beams 109.

Due to the angle problem in Fig. 1, the driving travel side wheel 101A coincides with the driving travel side wheel 101B, the driven travel wheel 102A coincides with the driven travel wheel 102B, the driven travel wheel 102C overlaps with the driven travel wheel 102D, and the driving travel wheel 102E Coincident with drive road wheels 102F, so only four road wheels are seen. Eight traveling wheels bear most of the weight of the whole cleaning mechanism 20 . The walking wheels can also be set to 6, 8 or 10 etc. when facing solar panels of different widths, so as to better increase the stability of the cleaning device structure and improve the stress of the solar panels.

Specifically, as shown in Figure 2, there are three beams 109, including the upper beam 109, the middle beam 109 and the lower beam 109. Among the eight walking wheels, 101A and 101B are the driving side wheels, installed on The left and right ends of the upper crossbeam 109 are driven by the upper travel motor 105; 102E and 102F are driven travel wheels, installed on the left and right ends of the lower crossbeam 109, driven by the lower travel motor 106; and 102A , 102B, 102C and these four driven traveling wheels of 102D are then installed on the middle crossbeam 109, and the side wheel of driving traveling side is pressed on the side of solar panel 60, can share the gravity of whole cleaning device on the direction of parallel solar panel 60 Partial force, so that the whole cleaning device will not slip off from the solar panel 60.

The traveling wheel is pressed on the upper surface of the solar battery panel 60, and the upper traveling motor 105 is controlled by the intelligent controller 40. When straddling the solar panel 60, the intelligent controller 40 can regulate the rotating speed of the upper traveling motor 105 and the lower traveling motor 106, thereby Change the movement speed of the moving guide rail 107 to realize the spanning between the solar panels, and then realize the effective cleaning when the gap between the solar panels is large or the solar panels are inclined.

The running gear 10 also includes support wheels, specifically including the anti-overturning support wheels 103 installed on the upper and lower ends of the beam 109, and also includes the anti-overturning support wheels 103 installed on the lower beam 109 floating support side wheels 104A, 104B, wherein the floating support side The wheels 104A and 104B are mainly used to prevent the cleaning device from overturning in a strong wind environment, while the anti-overturn support wheel 103 is mainly used to prevent the cleaning device from tilting during walking.

In a preferred embodiment, the traveling mechanism 10 also has a differential speed adjustment function, and it is judged whether the moving guide rail 107 tilts left or right on the solar panel 60 by the differential speed sensor mounted on the traveling wheel. , tilting to the right, then the intelligent controller 40 will control the upper travel motor 105 and the lower travel motor 106 to travel at different speeds to correct the inclination of the moving guide rail 107.

The cleaning mechanism 20 includes a cleaning motor 201 , a cleaning brush 202 and a self-cleaning rod 203 . Wherein, the cleaning brush 202 and the self-cleaning rod 203 are fixed between the two beams 109, and outside the moving guide rail 107, the self-cleaning rod 203 is positioned at the front top of the cleaning brush 202, so that the dust etc. that the cleaning brush 202 is stained with falls on the moving direction of the cleaning device On the other hand, it will not cause pollution to the cleaned area. Through belt transmission or chain transmission, the cleaning motor 201 drives the cleaning brush 202 to rotate, and the cleaning brush 202 is arranged on the outside of the moving guide rail 107 and is parallel to the vertical beam 109 .

The cleaning motor 201 can be shared with the traveling motor, specifically, the cleaning motor 201 and the lower traveling motor 106 are the same motor; the cleaning motor 201 can also use a single motor.

One cleaning brush 202 can be installed on one side of the moving guide rail 107, or one can be installed on both sides of the moving guide rail 107 respectively. The cleaning brush 202 may be an integral brush rod, and the cleaning brush 202 may also include multiple segmented brush rods, which are connected by couplings.

In a more preferred embodiment, the cleaning mechanism 20 can also be equipped with an air pump. When the cleaning brush 202 cleans the solar panel 60, it can be cleaned again with high-pressure gas to improve the cleaning quality. The cleaning mechanism 20 can adopt a waterproof and dustproof design, and can still perform cleaning work under rainfall conditions, and the rotation speed of the cleaning brush 202 is adjustable. In sunny and rainy conditions, different rotation speeds are used to improve cleaning efficiency and effect.

The cleaning device can also be provided with a power supply device 30, and the power supply device 30 can adopt a storage battery or a solar cell, and the specific installation position can be as shown in Figure 1. Increase electric quantity detection device on, electric quantity detection device links to each other with intelligent controller 40, when the electric quantity of storage battery or solar cell is lower than certain value, cleaning device can stop cleaning work.

The control system includes an intelligent controller, a control terminal and a monitoring module. The intelligent controller 40 is installed on the cleaning device, specifically, it can be installed on one side of the moving guide rail 107 to control the walking and cleaning motion of the cleaning device; the intelligent controller 40 can use a PLC or a single-chip microcomputer, cooperate with a speed sensor, a position sensor, and a grating encoder Various sensors and various motors realize the operation and state control of the cleaning device.

The control terminal can be set in the employee's work area to realize remote control, which can be realized through wireless connection.

The monitoring module can include three parts of monitoring, one part is program monitoring, when the program runs incorrectly, or the motor and sensor work abnormally, the intelligent controller will give an alarm, and the wireless transmission module will transmit the information to the control terminal; the other part is positioning monitoring , real-time positioning of the cleaning device through the GPS positioning system, and an alarm will be given when the position is abnormal; the third part is image monitoring, through image monitoring of the cleaning device through camera equipment, the background staff can observe the working conditions of the cleaning device in real time, and realize daytime cleaning. And 24-hour monitoring at night. Camera equipment can use network digital camera and infrared camera, also can use other cameras that have this kind of camera function.

The specific working process of the solar cell panel cleaning device provided in this embodiment is: when cleaning starts, the cleaning device leaves the docking position, and the intelligent controller 40 sends instructions to the upper travel motor 105 and the lower travel motor 106, and the upper travel motor 105 and the lower travel motor The traveling motor 106 drives the traveling wheels 101A, 101B, 102E, 102F to travel, so that the traveling wheels 101A, 101B, 102E, 102F drive the moving guide rail 107 to move forward steadily. While the moving guide rail moves, the cleaning brush 202 cleans under the drive of the cleaning motor 201. When the cleaning device reaches the left and right edges of the solar panel, the limit sensor sends a signal, and the cleaning device stops working.

Referring to Figures 3 and 4, a solar panel cleaning system in an embodiment includes a cleaning device and a transfer device connected to the cleaning device, wherein the transfer device is used to control the cleaning device in different solar panel group areas movement between.

The transfer device can be a transfer vehicle 50. The transfer vehicle 50 includes a car body 501, a lifting module 502, an adjustment module 503, a control system 504 and a charging system 505. The height and the distance between the transfer vehicle and the solar panel can be adjusted through the control system 504, wherein the height The adjustment is completed by the lifting module, and the spacing adjustment is completed by the adjustment module. Since the solar panel has a certain inclination angle during installation, it does not need to be adjusted. After cleaning the solar panel group in one area, the cleaning device runs to the adjustment module 503 of the transfer vehicle 50 parked on the edge.

The transfer vehicle 50 can be transported by rails, and can be manually pushed to the solar panel group in the next area on the transfer track 70 , or automatically run to the solar panel group in the next area under the control of the control system 504 . As shown in Figure 3, after the cleaning of the solar panel group in one area is completed, the transfer vehicle 50 drives the cleaning device to transfer from the first solar panel group area 601 to the first solar panel group area 602 through the transfer track 70, Carry out cleaning for the solar panel group in the next area.

The transfer vehicle 50 is provided with a charging system 505, which can be connected to the power supply device 30 on the cleaning device for charging, so as to realize the self-charging of the cleaning system and solve the power supply problem of the whole cleaning system. When the power of the power supply device 30 is lower than a certain value, the cleaning device will stop cleaning and move to the transfer vehicle 50 for charging.

A monitoring module can also be installed on the transfer vehicle 50. The monitoring module can use various cameras and photoelectric sensors to monitor the working status of the cleaning robot and the solar panel. The monitoring module can transmit information wirelessly.

The control module 504 can also adopt an intelligent controller, which can be connected with the monitoring module through a wireless control terminal. The control terminal can preset the cleaning program of the cleaning device to realize the automation and real-time monitoring of the cleaning process. An automatic alarm program can also be added in the program, an alarm device is set in the cleaning device, and the alarm device will be triggered when the cleaning device works abnormally.

When simply adopting the cleaning device of the present invention instead of the cleaning system comprising transfer vehicle 50, a shelf nest can be set on one side of each row of solar panel groups, the lower end of the shelf nest is fixed on the ground, and a support plate is installed on the upper end to support The shape of the panel is the same as that of the solar panel and is connected side by side with the solar panel. A charging device, a sunshade and a monitoring camera are installed on the shelf nest. When the cleaning device is not working, it is moved to the shelf nest for charging. When the cleaning device is working , The shelf nest monitors the working condition of the cleaning device.

The specific embodiments of the present invention described above do not constitute a limitation to the protection scope of the present invention. Any other corresponding changes and modifications made according to the technical concept of the present invention shall be included in the protection scope of the claims of the present invention.

Claims (10)

1. a solar panel clearing apparatus, it is characterised in that including:

The moving guide rail being arranged on solar panel, control system, and it is arranged at the vehicle with walking machine on described moving guide rail Structure, cleaning agency, electric supply installation；

Described walking mechanism is arranged between described solar panel and described moving guide rail, and described walking mechanism is lifted described Moving guide rail；

Described moving guide rail includes that at least two crossbeam and two vertical beams, described crossbeam form rectangle frame with said two vertical beam Frame, described crossbeam is arranged at outside the light-emitting zone of described solar panel；

Described walking mechanism includes the movable motor being arranged on described crossbeam, road wheel and supports wheel；Described movable motor Described walking mechanism is driven to move.

2. clearing apparatus as claimed in claim 1, it is characterised in that described road wheel is no less than six, is respectively arranged at institute State on crossbeam.

3. clearing apparatus as claimed in claim 1, it is characterised in that described electric supply installation is arranged under described moving guide rail Side；Described electric supply installation is accumulator or solaode.

4. clearing apparatus as claimed in claim 1, it is characterised in that described cleaning agency includes cleaning motor, cleaning brush, institute State cleaning brush and be arranged at outside described moving guide rail, parallel with described vertical beam.

5. clearing apparatus as claimed in claim 4, it is characterised in that described cleaning motor and described movable motor are same electricity Machine.

6. clearing apparatus as claimed in claim 4, it is characterised in that described cleaning brush includes many stagewise brush holder supports, described Connected by shaft coupling between many stagewise brush holder supports.

7. clearing apparatus as claimed in claim 4, it is characterised in that described cleaning agency also includes automatically cleaning bar, described from Channel washer is arranged at the upside of described cleaning brush.

8. clearing apparatus as claimed in claim 1, it is characterised in that described control system includes intelligent controller, controls eventually End and monitoring module；Described intelligent controller controls described movable motor, cleans motor；Described intelligent controller is by described Control terminal to realize remotely controlling.

9. a solar panel purging system, it is characterised in that include as described in any one in claim 1-8 is clear Sweeping device, described purging system also includes the transporter being connected with clearing apparatus, described transporter be used for driving described clearly Sweeping device moves between different solar panel regions.

10. purging system as claimed in claim 9, it is characterised in that described transporter is transfer car(buggy), described transfer car(buggy) bag Include car body, lifting module and adjusting module；Described transfer car(buggy) also includes control system and charging system, realize respectively to described clearly The control of sweeping device and charging.