CN117118338A - Reservoir floating type photovoltaic power station cleaning system - Google Patents

Abstract

The application provides a reservoir floating type photovoltaic power station cleaning system, and relates to the technical field of photovoltaic power generation. The reservoir floats formula photovoltaic power plant clean system and includes: the spraying devices are arranged on the floating body of the reservoir floating type photovoltaic power station, each spraying device comprises a rotary spray head, and the rotary spray heads spray water to the surface of the photovoltaic panel in a designated area of the photovoltaic power station; the water supply device is arranged on the bank side of the reservoir and is used for extracting water in the reservoir and supplying water to the rotary spray heads of each spraying device through a water supply pipeline; the traction device is arranged on the bank of the reservoir and is in an extending state and a contracting state, and is connected with the floating body and used for pulling the floating body; the control station is arranged on the bank side of the reservoir and used for controlling the opening or closing of the water supply device and the spraying device. The reservoir floating type photovoltaic power station cleaning system solves the problem that the cleaning device is arranged on the water surface in the prior art to bring inconvenience to maintenance and overhaul of subsequent equipment, a water supply system is not required to be additionally arranged, and construction and operation costs are reduced.

Description

Reservoir floating type photovoltaic power station cleaning system

Technical Field

The application relates to the technical field of photovoltaic power generation, in particular to a reservoir floating type photovoltaic power station cleaning system.

Background

The specific problems existing in the photovoltaic power system at the present stage are mainly concentrated on the aspects of missing of fine operation means, difficult state management and control and statistical analysis, difficult fault investigation, difficult cleaning and maintenance and the like. The construction forms of the domestic photovoltaic power stations are wide in China, the management requirements are different, a plurality of service technical schemes cannot be used as references, particularly in terms of cleaning and maintenance, cleaning robots are used for cleaning the photovoltaic power stations constructed on land to clean the photovoltaic power stations, but the cleaning and maintenance schemes are not suitable for cleaning and maintenance of the photovoltaic power stations floating on water, particularly the photovoltaic power stations constructed on reservoirs, because the water surface of the reservoirs is lower than surrounding dykes and dams for slope protection, the natural wind speed is low, floating ash in the air is easy to deposit on the surfaces of the photovoltaic power stations, if dust accumulation on the surfaces of the photovoltaic power stations is not cleaned, the power generation efficiency of the photovoltaic power stations is gradually reduced at a rate of about 0.1% -0.8%, and the power generation loss of the photovoltaic power stations caused by the whole year is up to 15% -20%, so that the dust accumulation of the photovoltaic power stations is cleaned is particularly important for improving the power generation efficiency. However, the photovoltaic power station floating on the water surface of the reservoir floats on the water surface through a plurality of floating bodies, and horizontal movement and up-down relative movement exist between the floating bodies, so that the robot track cannot be fixed on the floating bodies in a large range, the conventional mechanized cleaning condition is difficult to meet, and the cleaning device is arranged on the water surface to bring inconvenience to maintenance and overhaul of subsequent equipment.

Accordingly, there is a need for an apparatus that solves at least one of the above problems.

Disclosure of Invention

The embodiment of the application aims to provide a reservoir floating type photovoltaic power station cleaning system which is used for solving the problem that a cleaning device is arranged on the water surface in the prior art to bring inconvenience to maintenance and overhaul of subsequent equipment.

In order to achieve the above object, the present application provides a reservoir floating type photovoltaic power station cleaning system, comprising:

the spraying devices are arranged on the floating body of the reservoir floating type photovoltaic power station according to specified requirements, each spraying device comprises a rotary spray head, and the spraying devices spray water to the surface of the photovoltaic panel in a specified area of the photovoltaic power station through the corresponding rotary spray heads;

the water supply device is arranged on the bank side of the reservoir and is used for extracting water in the reservoir and supplying water to the rotary spray heads of each spraying device through a water supply pipeline;

the traction device is arranged on the bank of the reservoir and is in an extending state and a contracting state, and is connected with the floating body and used for pulling the floating body;

and the control station is arranged on the bank side of the reservoir and used for controlling the opening or closing of the water supply device and the spraying device.

Specifically, the water supply device includes: a water pump, a water suction pipe and a filter screen;

one end of the water pumping pipe extends below the water surface of the reservoir, and the other end of the water pumping pipe is communicated with the water inlet of the water pump;

the filter screen covers a port of the pumping pipe extending into the reservoir;

the water pump is arranged on the bank of the reservoir and is in signal connection with the control station, the water outlet of the water pump is communicated with the rotary spray heads of all the spraying devices, and the water pump pumps water through the water pumping pipe so as to supply water to the rotary spray heads of the spraying devices.

Specifically, the water supply device further includes:

the filter is arranged on the water suction pipe and is used for filtering water pumped by the water pump.

Specifically, the water supply device further includes: the flowmeter is arranged on the water supply pipeline and used for detecting water flow flowing through the water supply pipeline.

Specifically, the traction device includes: traction drive, reel and traction rope;

one end of the traction rope is connected to the winding drum, the other end of the traction rope is connected with the floating body, and the traction rope is in a contracted state wound on the winding drum and an expanded state unwound on the winding drum;

the traction driver is used for driving the winding drum to rotate so as to drive the traction rope to switch between an extending state and a contracting state;

the control station is also used for controlling the start and stop of the traction drive.

Specifically, the reservoir floating type photovoltaic power station cleaning system further comprises:

the water level sensor is connected with the control station number and is used for detecting the water level of the reservoir;

the control station is also used for controlling the start and stop of the traction drive according to the reservoir water level.

Specifically, each spraying device further comprises: and the spraying bracket is arranged on the floating body and used for supporting the rotary spray head.

Specifically, the reservoir floating type photovoltaic power station cleaning system further comprises: the cruising device is in signal connection with the control station and is used for shooting and transmitting surface images of the photovoltaic panel;

the control station is also used for controlling the opening or closing of the water supply device and the spraying device according to the surface image.

Specifically, the reservoir floating type photovoltaic power station cleaning system further comprises: the control valves with the same quantity as the spraying devices are arranged on the water supply pipeline between each spraying device and the water supply device, and the control valves are used for controlling the water flow in the corresponding water supply pipeline.

Specifically, the reservoir floating type photovoltaic power station cleaning system further comprises:

and the pressure gauge is arranged on the water supply pipeline and is used for detecting the water pressure flowing through the water supply pipeline.

According to the reservoir floating type photovoltaic power station cleaning system provided by the application, the plurality of groups of spraying devices are arranged on the floating body of the photovoltaic power station, the rotating spray heads of the spraying devices can spray water to the surface of the photovoltaic panel in a designated area so as to clean the surface of the photovoltaic panel, the water supply device arranged on the bank of the reservoir supplies water to the rotating spray heads of each spraying device through the water supply pipeline, so that a worker can conveniently maintain and overhaul the water supply device, and in order to avoid the floating body of the photovoltaic power station floating randomly on the water surface of the reservoir, the traction device is arranged to pull the floating body of the photovoltaic power station, so that the floating range of the floating body is controlled, and the worker can conveniently control the opening and closing of the water supply device and the traction device through the control station arranged on the bank of the reservoir.

According to the reservoir floating type photovoltaic power station cleaning system provided by the application, the water supply device, the traction device and the control station are arranged at the bank of the reservoir, so that the subsequent maintenance and overhaul of the reservoir floating type photovoltaic power station cleaning system are facilitated, the spraying device is arranged on the floating body of the reservoir floating type photovoltaic power station to spray water to the surface of the photovoltaic panel, a mechanized cleaning robot track is not required to be erected, the problem that the cleaning device is arranged on the water surface to bring inconvenience to the maintenance and overhaul of subsequent equipment in the prior art is solved, the cleaning system of the floating type photovoltaic power station on the reservoir is suitable for according to the design of local conditions, the additional configuration of a complex water supply system is not required, the construction and operation cost is reduced, and the water flow backwater reservoir after the photovoltaic panel is cleaned can not cause water pollution.

Additional features and advantages of embodiments of the application will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain, without limitation, the embodiments of the application. In the drawings:

FIG. 1 is a schematic layout of a reservoir floating photovoltaic power plant cleaning system provided by the application;

FIG. 2 is a schematic water spray diagram of a sprinkler in a reservoir floating photovoltaic power plant cleaning system provided by the application;

fig. 3 is a schematic structural view of a spraying device in the reservoir floating type photovoltaic power station cleaning system provided by the application.

Description of the reference numerals

1-a spraying device; 2-floating body; 3-a water supply device; 4-a control station; 5-cruise means; 6-a control valve; 11-rotating the spray head; 12-spraying a bracket; 13-a rigid water outlet main pipe; 14-pressure-resistant metal hose; 15-rigid branch water pipe; 16-hose; 31-a water pump; 32-a filter; 33-flowmeter.

Detailed Description

The following describes the detailed implementation of the embodiments of the present application with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the application, are not intended to limit the application.

FIG. 1 is a schematic layout of a reservoir float photovoltaic power plant cleaning system; FIG. 2 is a schematic diagram of water spray from a sprinkler in a reservoir float photovoltaic power plant cleaning system; fig. 3 is a schematic structural view of a sprinkler in a reservoir floating photovoltaic power plant cleaning system. As shown in fig. 1 to 3, the reservoir floating type photovoltaic power station cleaning system provided by the application comprises:

the spraying devices 1 are arranged on the floating body 2 of the reservoir floating type photovoltaic power station according to specified requirements, each spraying device 1 comprises a rotary spray head 11, and the spraying devices 1 spray water to the surface of a photovoltaic panel in a specified area of the photovoltaic power station through the corresponding rotary spray heads 11;

the water supply device 3 is arranged on the bank of the reservoir, and the water supply device 3 is used for extracting water in the reservoir and supplying water to the rotary spray heads 11 of each spraying device 1 through a water supply pipeline;

the traction device is arranged on the bank of the reservoir and has an extending state and a contracting state, and is connected with the floating body 2 and used for pulling the floating body 2;

and a control station 4 arranged on the bank of the reservoir and used for controlling the opening or closing of the water supply device 3 and the spraying device 1.

According to the reservoir floating type photovoltaic power station cleaning system provided by the application, the plurality of groups of spraying devices 1 are arranged on the floating body 2 of the reservoir floating type photovoltaic power station, water is sprayed to the surface of the photovoltaic electric plate in a designated area through the rotary spray heads 11 of the spraying devices 1, the rotary spray heads 11 are 360-degree rotary automatic cleaning spray heads, thus the photovoltaic electric plate in the designated area can be cleaned by taking each rotary spray head 11 as a center, the spraying devices 1 are arranged according to the arrangement mode of the photovoltaic electric plate in the reservoir floating type photovoltaic power station in practical application, the water supply device 3 and the control station 4 are arranged at the bank of the reservoir, the control station 4 comprises a terminal computer, a worker controls the water supply device 3 and the spraying devices 1 to be opened and closed through the terminal computer, the water supply device 3 is arranged on the land, and the worker can conveniently maintain the water supply device 3. The cleaning system for the floating type photovoltaic power station of the reservoir solves the problem that the cleaning device is arranged on the water surface in the prior art to bring inconvenience to maintenance and overhaul of subsequent equipment, is suitable for the cleaning system of the floating type photovoltaic power station on the reservoir according to the design of local conditions, does not need to be additionally provided with a complicated water supply system, reduces construction and operation costs, and does not cause water pollution due to the water flow backwater reservoir after the photovoltaic power panel is cleaned.

In one embodiment, as shown in fig. 1, the water supply device 3 includes: the water pump 31, the water suction pipe and the filter screen;

one end of the water pumping pipe extends below the water surface of the reservoir, and the other end of the water pumping pipe is communicated with a water inlet of the water pump 31;

the filter screen covers a port of the pumping pipe extending into the reservoir;

the water pump 31 is arranged on the bank of the reservoir and is in signal connection with the control station 4, the water outlet of the water pump 31 is communicated with the rotary spray heads 11 of each spraying device 1, and the water pump 31 pumps water through the water pumping pipe so as to supply water to the rotary spray heads 11 of the spraying devices 1.

The water pump 31 is the booster pump, set up at reservoir bank, and water pump 31 is in order to supply water to rotatory nozzle through the water of suction pipe extraction reservoir, in order to avoid destroying water pump 31 from the debris that contains in the water of extracting in the reservoir, stretches into the one end port parcel filter screen of reservoir at the suction pipe, and debris such as fish, algae that contain in the water that gets into the suction pipe through the preliminary filtration of filter screen, in order to avoid some large granule impurity that are not filtered by the filter screen to destroy water pump 31, water supply installation 3 still includes: the filter 32 is arranged on the pipeline of the water suction pipe and is used for filtering the water pumped by the water pump 31, impurities in the water are further filtered through the filter 32 arranged on the water suction pipe, the use safety of the water pump 31 is ensured, and meanwhile, the water sent into the rotary spray head 11 can be ensured to be washed clean with dust deposited on the surface of the photovoltaic panel.

In order to control the amount of water fed to the rotary sprayer 11, the water supply device 3 further comprises: a flow meter 33 is provided on the water supply line for detecting the flow rate of water flowing through the water supply line. The flowmeter 33 is arranged near the water outlet of the water pump 21 and is positioned on the bank of the reservoir, so that the maintenance and overhaul of the staff are facilitated.

As shown in fig. 1, the water supply device 3 supplies water to the rotary head of each sprinkler 1 through a water supply line including: the water supply device comprises a rigid water outlet main pipe 13, a plurality of pressure-resistant metal hoses 14, a plurality of rigid branch water pipes 15 and a plurality of hoses 16, wherein the rigid water outlet main pipe 13 is arranged at a water outlet of a water pump 31, the pressure-resistant metal hoses 14 are arranged between the rigid water outlet main pipe 13 and the rigid branch water pipes 15 and are used for communicating the rigid water outlet main pipe 13 and the rigid branch water pipes 15, the pressure-resistant metal hoses 14 can stretch and retract, and therefore when a floating body 2 floats on a water surface of a reservoir, the pressure-resistant metal hoses 15 can stretch and retract in cooperation with the floating distance of the floating body 2, so that the water supply device 3 can normally supply water like a spraying device 1. The number of the spraying devices 1 arranged on each floating body 2 is determined according to the spraying range of the rotary spray heads 11 and the number of the photovoltaic panels on the floating body 2, the same floating body 2 is provided with rigid branch water pipes 15, each rigid branch water pipe 15 is provided with a water inlet and a plurality of water outlets, the water inlet of each rigid branch water pipe 15 is communicated with the rigid water outlet main 13 through a pressure-resistant metal hose 14, the water outlet of each rigid branch water pipe 15 is communicated with the corresponding rotary spray head 11 through a hose 16, and the flowmeter 33 is arranged on the rigid water outlet main 13.

In order to limit the drift range of a reservoir floating photovoltaic power plant on the water surface of a reservoir, the traction device comprises: traction drive, reel and traction rope;

one end of the traction rope is connected to the winding drum, the other end of the traction rope is connected with the floating body 2, and the traction rope is in a contracted state wound on the winding drum and an expanded state unwound from the winding drum;

the traction driver is used for driving the winding drum to rotate so as to drive the traction rope to switch between an extending state and a contracting state.

The floating body 2 is pulled by the pulling rope of the pulling device so as to control the floating range of the reservoir floating type photovoltaic power station, for example, when the water level descends, in order to ensure that the floating body 2 can support the photovoltaic panel to float on the water surface of the reservoir, the pulling driver drives the winding drum to rotate so that the pulling rope is in an unclamped stretching state, at the moment, the pulling rope on the winding drum pays off, the length of the pulling rope which is not wound on the winding drum is prolonged, the floating body 2 can float to a water area which is farther from the bank of the reservoir, the floating body 2 supports the photovoltaic panel to float on the water surface of the reservoir, when the water level ascends, the pulling device performs the opposite operation with the water level descending, and the floating body 2 is pulled to be close to the bank of the reservoir.

In order to automatically adjust the floating distance of the floating body 2 in the reservoir, the reservoir floating type photovoltaic power station cleaning system further comprises:

the water level sensor is in signal connection with the control station 4 and is used for detecting the water level of the reservoir;

the control station 4 is also used for controlling the start and stop of the traction drive according to the reservoir water level.

The water level sensor is in signal connection with the control station 4, the water level sensor detects the water level of the reservoir in real time, the control station 4 controls the traction driver to start and stop according to the water level of the reservoir, and the traction driver drives the winding drum to rotate after starting to drive the traction rope to switch between an extending state and a contracting state, so that the floating body 2 is pulled, and the distance between the floating body 2 and the bank of the reservoir is adjusted.

In one embodiment, as shown in fig. 3, each spraying device 1 further comprises: a spray bracket 12 provided on the floating body 2 for supporting the rotary spray head 11. The spraying support 12 is a counterweight type triangular support, and the spraying support 12 is stuck and fixed on the floating body 2 through strong glue.

The photovoltaic power plant area that sets up on the reservoir surface of water is big, in order to in time inspect the clean degree on photovoltaic power plant's photovoltaic panel surface, specifically, reservoir floats formula photovoltaic power plant clean system still includes: a cruising device 5 in signal connection with the control station 4, the cruising device 5 being used for capturing and transmitting surface images of the photovoltaic panel;

the control station 4 is also used to control the opening or closing of the water supply 3 and the spraying device 1 in dependence of the surface image.

The cruising device 5 is an unmanned aerial vehicle, the unmanned aerial vehicle is arranged to fly above the reservoir floating type photovoltaic power station, a designated point on a flying track is photographed, the unmanned aerial vehicle transmits a photographed surface image of the photovoltaic panel to the control station 4, the control station 4 compares the difference between the surface image of the photovoltaic panel photographed in real time and the surface image of the photovoltaic panel in a cleaning state, and the control station 4 controls the water supply device 4 and the spraying device to be opened or closed according to a comparison result, so that the automatic cleaning of the photovoltaic panel is completed, and the labor intensity of workers is reduced.

In order to clean the photovoltaic panel on the floating body 2 in the reservoir floating type photovoltaic power station at fixed points, the reservoir floating type photovoltaic power station cleaning system further comprises: the same number of control valves 6 as the spraying devices 1, and a control valve 6 is arranged on the water supply pipeline between each spraying device 1 and the water supply device 3 and used for controlling the water flow in the corresponding water supply pipeline. The control valve 6 is arranged on the rigid branch water pipe 15 on each floating body 2, the control valve 6 is an electromagnetic valve, and the on-off and water flow of the rigid branch water pipe 15 on each floating body 2 are independently controlled through the control valve 6, so that the photovoltaic panel is cleaned at fixed points.

Specifically, the reservoir floating type photovoltaic power station cleaning system further comprises:

and the pressure gauge is arranged on the water supply pipeline and is used for detecting the water pressure flowing through the water supply pipeline.

When the water supply device 3 supplies water to the rotary spray heads 11 of each spraying device 1 to clean dust on the surface of the photovoltaic panel, in order to ensure that the water sprayed by the rotary spray heads 11 has a certain water pressure so as to thoroughly clean the dust on the surface of the photovoltaic panel, a pressure gauge is arranged on a water supply pipeline to detect the pressure of the water flowing through the water supply pipeline, so that a worker can preliminarily judge the cleaning degree of the surface of the photovoltaic panel according to the pressure of the water in the water supply pipeline.

According to the reservoir floating type photovoltaic power station cleaning system provided by the application, the plurality of groups of spraying devices are arranged on the floating body of the photovoltaic power station, the rotating spray heads of the spraying devices can spray water to the surface of the photovoltaic panel in a designated area so as to clean the surface of the photovoltaic panel, the water supply device arranged on the bank of the reservoir supplies water to the rotating spray heads of each spraying device through the water supply pipeline, so that a worker can conveniently maintain and overhaul the water supply device, and in order to avoid the floating body of the photovoltaic power station floating randomly on the water surface of the reservoir, the traction device is arranged to pull the floating body of the photovoltaic power station, so that the floating range of the floating body is controlled, and the worker can conveniently control the opening and closing of the water supply device and the traction device through the control station arranged on the bank of the reservoir.

According to the reservoir floating type photovoltaic power station cleaning system provided by the application, the water supply device, the traction device and the control station are arranged at the bank of the reservoir, so that the subsequent maintenance and overhaul of the reservoir floating type photovoltaic power station cleaning system are facilitated, the spraying device is arranged on the floating body of the reservoir floating type photovoltaic power station to spray water to the surface of the photovoltaic panel, a mechanized cleaning robot track is not required to be erected, the problem that the cleaning device is arranged on the water surface to bring inconvenience to the maintenance and overhaul of subsequent equipment in the prior art is solved, the cleaning system of the floating type photovoltaic power station on the reservoir is suitable for according to the design of local conditions, the additional configuration of a complex water supply system is not required, the construction and operation cost is reduced, and the water flow backwater reservoir after the photovoltaic panel is cleaned can not cause water pollution.

The foregoing details of the optional implementation of the embodiment of the present application have been described in detail with reference to the accompanying drawings, but the embodiment of the present application is not limited to the specific details of the foregoing implementation, and various simple modifications may be made to the technical solution of the embodiment of the present application within the scope of the technical concept of the embodiment of the present application, and these simple modifications all fall within the protection scope of the embodiment of the present application.

In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, various possible combinations of embodiments of the present application are not described in detail.

Those skilled in the art will appreciate that all or part of the steps in implementing the methods of the embodiments described above may be implemented by a program stored in a storage medium, including instructions for causing a single-chip microcomputer, chip or processor (processor) to perform all or part of the steps of the methods of the embodiments described herein. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.

In addition, any combination of various embodiments of the present application may be performed, so long as the concept of the embodiments of the present application is not violated, and the disclosure of the embodiments of the present application should also be considered.

Claims (10)

1. Reservoir floats formula photovoltaic power plant clean system, its characterized in that, reservoir floats formula photovoltaic power plant clean system includes:

the spraying devices (1) are arranged on the floating body (2) of the reservoir floating type photovoltaic power station according to specified requirements, each spraying device (1) comprises a rotary spray head (11), and the spraying devices (1) spray water to the surface of a photovoltaic panel in a specified area of the photovoltaic power station through the corresponding rotary spray heads (11);

the water supply device (3) is arranged on the bank of the reservoir, and the water supply device (3) is used for extracting water in the reservoir and supplying water to the rotary spray heads (11) of each spraying device (1) through a water supply pipeline;

the traction device is arranged on the bank of the reservoir and is in an extending state and a contracting state, and is connected with the floating body (2) and used for pulling the floating body (2);

and the control station (4) is arranged on the bank of the reservoir and is used for controlling the opening or closing of the water supply device (3) and the spraying device (1).

2. Reservoir floating photovoltaic power plant cleaning system according to claim 1, characterized in that said water supply means (3) comprise: a water pump (31), a water suction pipe and a filter screen;

one end of the water suction pipe extends below the water surface of the reservoir, and the other end of the water suction pipe is communicated with a water inlet of the water pump (31);

the filter screen covers the port of the water pumping pipe extending into the reservoir;

the water pump (31) is arranged on the bank of the reservoir and is in signal connection with the control station (4), the water outlet of the water pump (31) is communicated with the rotary spray heads (11) of each spraying device (1), and the water pump (31) pumps water through the water pumping pipe so as to supply water to the rotary spray heads (11) of the spraying devices (1).

3. Reservoir floating photovoltaic power plant cleaning system according to claim 2, characterized in that said water supply means (3) further comprise:

and a filter (32) provided on the pipe line of the water suction pipe for filtering the water extracted by the water pump (31).

4. Reservoir floating photovoltaic power plant cleaning system according to claim 1, characterized in that said water supply means (3) further comprise: and a flowmeter (33) arranged on the water supply pipeline and used for detecting the water flow flowing through the water supply pipeline.

5. The reservoir floating photovoltaic power plant cleaning system according to claim 1, wherein the traction device comprises: traction drive, reel and traction rope;

one end of the traction rope is connected to the winding drum, the other end of the traction rope is connected with the floating body (2), and the traction rope is in a contracted state wound on the winding drum and an expanded state unwound from the winding drum;

the traction driver is used for driving the winding drum to rotate so as to drive the traction rope to switch between an extending state and a contracting state;

the control station (4) is also used for controlling the start and stop of the traction drive.

6. The reservoir float photovoltaic power plant cleaning system of claim 5, further comprising:

the water level sensor is in signal connection with the control station (4) and is used for detecting the water level of the reservoir;

the control station (4) is also used for controlling the start and stop of the traction drive according to the reservoir water level.

7. Reservoir floating photovoltaic power plant cleaning system according to claim 1, characterized in that each spraying device (1) further comprises: and the spraying bracket (12) is arranged on the floating body (2) and is used for supporting the rotary spray head (11).

8. The reservoir float photovoltaic power plant cleaning system of claim 1, further comprising: a cruising device (5) in signal connection with the control station (4), the cruising device (5) being used for capturing and transmitting surface images of the photovoltaic panel;

the control station (4) is also used for controlling the opening or closing of the water supply device (3) and the spraying device (1) according to the surface image.

9. The reservoir float photovoltaic power plant cleaning system of claim 1, further comprising: and the control valves (6) are the same in number as the spraying devices (1), and a control valve (6) is arranged on a water supply pipeline between each spraying device (1) and the water supply device (3) and is used for controlling water flow in a corresponding water supply pipeline.

10. The reservoir float photovoltaic power plant cleaning system of claim 1, further comprising:

and the pressure gauge is arranged on the water supply pipeline and is used for detecting the water pressure flowing through the water supply pipeline.