CN114596267A - Monitoring operation and maintenance method, system, equipment and storage medium of photovoltaic power station - Google Patents
Monitoring operation and maintenance method, system, equipment and storage medium of photovoltaic power station Download PDFInfo
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- CN114596267A CN114596267A CN202210185438.6A CN202210185438A CN114596267A CN 114596267 A CN114596267 A CN 114596267A CN 202210185438 A CN202210185438 A CN 202210185438A CN 114596267 A CN114596267 A CN 114596267A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000012423 maintenance Methods 0.000 title claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims abstract description 140
- 239000000428 dust Substances 0.000 claims abstract description 125
- 230000002159 abnormal effect Effects 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 15
- 238000004590 computer program Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 5
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- 238000004364 calculation method Methods 0.000 description 5
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- 239000007921 spray Substances 0.000 description 5
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- 231100000719 pollutant Toxicity 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 3
- 239000012459 cleaning agent Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011012 sanitization Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
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- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
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- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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Images
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/90—Determination of colour characteristics
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/10—Cleaning arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
- B08B2203/0217—Use of a detergent in high pressure cleaners; arrangements for supplying the same
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- G—PHYSICS
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
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- G06T2207/30232—Surveillance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to a monitoring operation and maintenance method, a monitoring operation and maintenance system, a monitoring operation and maintenance device and a monitoring operation and maintenance storage medium for a photovoltaic power station, and the technical scheme is as follows: the method comprises the following steps: acquiring dust images on all photovoltaic panels; calculating the dust amount on each photovoltaic panel according to the dust image; comparing the dust amount on each photovoltaic panel with a preset dust threshold value to obtain a dust rating of each photovoltaic panel; selecting a corresponding preset cleaning mode to correspondingly clean each photovoltaic panel according to the dust rating of each photovoltaic panel, and monitoring the cleaning state of each photovoltaic panel in real time; identifying the cleaning effect of each photovoltaic panel according to the cleaning state of each photovoltaic panel, and stopping cleaning if the cleaning result is clean; if the identification result is abnormal cleaning, a difficult cleaning alarm is sent; this application has and can rinse the abluent photovoltaic board of needs immediately on the photovoltaic power plant, improves photovoltaic power plant's generating efficiency's advantage.
Description
Technical Field
The invention relates to the field of photovoltaic operation and maintenance, in particular to a monitoring operation and maintenance method, a monitoring operation and maintenance system, monitoring operation and maintenance equipment and a storage medium for a photovoltaic power station.
Background
Because the power station mainly works outdoors, the photovoltaic surface is inevitably shielded by pollution such as dust, oil stain, bird droppings and the like after a long time. Meanwhile, a large amount of dust exists in the air, the light transmittance of the front cover glass of the assembly is reduced due to diffuse reflection and accumulation of the dust deposited on the photovoltaic panel, so that the light transmittance is reduced, and the light transmittance is lower when the concentration of the dust deposition is higher, so that the absorption irradiance of the assembly is lower. Meanwhile, if the bird droppings, leaves and the like cover the surface of the photovoltaic module, the generated energy is reduced if the bird droppings, leaves and the like cover the surface of the photovoltaic module, and a hot spot effect is generated if the bird droppings, leaves and the like cover the surface of the photovoltaic module, so that electricity cannot be generated, an electricity load can be generated, and the whole photovoltaic module is even scrapped.
At present, the pollutant cleaning of the photovoltaic module is mainly manual cleaning, and the pollutant of the photovoltaic module is mainly cleaned by using water and cleaning agent for flushing or using a tool such as a mop cloth. The two cleaning methods have the main defects that the cost is high; secondly, the efficiency is low, the photovoltaic panel cannot be radically treated, and the photovoltaic panel is repeatedly scrubbed and damaged; potential pollution of the cleaning agent to water and soil environment and potential danger to people. And the photovoltaic panel cannot be cleaned immediately, so there is room for improvement.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a monitoring, operation and maintenance method, a monitoring, operation and maintenance system, monitoring, operation and maintenance equipment and a storage medium for a photovoltaic power station, and the monitoring, operation and maintenance system has the advantages that a photovoltaic panel needing to be cleaned on the photovoltaic power station can be cleaned immediately, and the power generation efficiency of the photovoltaic power station is improved.
The technical purpose of the invention is realized by the following technical scheme: a monitoring operation and maintenance method of a photovoltaic power station comprises the following steps:
acquiring dust images on all photovoltaic panels;
calculating the dust amount on each photovoltaic panel according to the dust image;
comparing the dust amount on each photovoltaic panel with a preset dust threshold value to obtain a dust rating of each photovoltaic panel;
selecting a corresponding preset cleaning mode to correspondingly clean each photovoltaic panel according to the dust rating of each photovoltaic panel, and monitoring the cleaning state of each photovoltaic panel in real time;
identifying the cleaning effect of each photovoltaic panel according to the cleaning state of each photovoltaic panel, and stopping cleaning if the cleaning result is clean; and if the identification result is abnormal cleaning, sending out a cleaning difficulty alarm.
Optionally, the acquiring dust images on all the photovoltaic panels includes:
setting a motion trail of a flight monitor;
shooting each photovoltaic panel through a flight monitor to obtain a real-time monitoring image;
acquiring the real-time position of a flight monitor;
and combining the real-time position with the real-time monitoring image to obtain dust images of all the photovoltaic panels.
Optionally, the method further includes:
acquiring electric quantity information of a flight monitor;
judging the remaining flight time of the flight monitor according to the electric quantity information;
calculating the threshold flight time of the charging pile returning to the nearest charging pile according to the real-time position;
and judging whether the flight monitor needs to be charged according to the residual flight time and the threshold flight time, and if so, controlling the flight monitor to fly to a nearest charging pile for charging.
Optionally, the calculating the amount of dust on each photovoltaic panel according to the dust image includes:
performing image processing on the dust image to obtain a processed image;
identifying texture features, color features and shape features in the processed image;
calculating the proportion of the texture feature, the color feature and the shape feature in the processed image to the total map frame to obtain the dust proportion of the dust image;
and comparing the dust proportion of the dust image with a preset comparison picture in a database, and determining the dust amount on the photovoltaic panel.
Optionally, the recognizing texture features, color features and shape features in the processed image includes:
identifying the processed image by a gray level co-occurrence matrix method to obtain the texture characteristics of the processed image;
identifying the processed image by a color clustering method to obtain the color characteristics of the processed image;
and identifying the processed image through the space moment to obtain the shape characteristic of the processed image.
Optionally, the preset cleaning mode includes:
acquiring temperature information, humidity information and weather prediction information of a photovoltaic power station;
and adjusting the cleaning modes with different gray levels according to the temperature information, the humidity information and the weather prediction information to obtain a preset cleaning mode.
Optionally, the cleaning effect of each photovoltaic panel is identified according to the cleaning state of each photovoltaic panel, and if the identification result is that the photovoltaic panel is cleaned, the cleaning is stopped; if the identification result is abnormal cleaning, a cleaning difficulty alarm is sent out, and the method comprises the following steps:
identifying the cleaning time of each photovoltaic panel and the cleaned image, and stopping cleaning if the cleaning time of the photovoltaic panel is shorter than the preset cleaning time and the cleaned image is clean; and if the cleaning time of the photovoltaic panel is longer than the preset cleaning time and the cleaned image recognition structure is abnormal, sending out a cleaning difficulty alarm.
A monitoring system for a photovoltaic power plant, comprising: the flight monitor is used for acquiring dust images on all the photovoltaic panels;
the dust calculating module is used for calculating the dust amount on each photovoltaic panel according to the dust image;
the dust rating module is used for comparing the dust amount on each photovoltaic panel with a preset dust threshold value to obtain the dust rating of each photovoltaic panel;
the cleaning monitoring module is used for selecting a corresponding preset cleaning mode to correspondingly clean each photovoltaic panel according to the dust rating of each photovoltaic panel and monitoring the cleaning state of each photovoltaic panel in real time;
the cleaning identification module is used for identifying the cleaning effect of each photovoltaic panel according to the cleaning state of each photovoltaic panel, and if the cleaning result is clean, the cleaning is stopped; and if the identification result is abnormal cleaning, sending out a cleaning difficulty alarm.
A computer device comprising a memory storing a computer program and a processor implementing the steps of the method described above when executing the computer program.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the above-mentioned method.
In conclusion, the invention has the following beneficial effects: set up the shower head on every photovoltaic board, and after monitoring the dust volume on the photovoltaic board and reaching corresponding dust rating, can start the water pump and spray water to the photovoltaic board through the shower head, and adopt the clean mode of the different intensity of different times to wash the photovoltaic board corresponding to the dust rating, and monitor the cleaning condition of photovoltaic board when wasing, if the sanitization, then stop spraying water, if after spraying water for a long time, still not sanitization, then report an emergency and ask for help or increased vigilance, can be immediate wash abluent photovoltaic board of needs on the photovoltaic power plant, the generating efficiency of photovoltaic power plant is improved.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a block diagram of the present invention in its assembled configuration;
fig. 3 is an internal structural diagram of a computer device in an embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, configuration, and operation, and therefore should not be construed as limiting the present invention.
The invention is described in detail below with reference to the figures and examples.
The invention provides a monitoring, operation and maintenance method of a photovoltaic power station, which comprises the following steps as shown in figure 1:
500, identifying the cleaning effect of each photovoltaic panel according to the cleaning state of each photovoltaic panel, and stopping cleaning if the cleaning result is clean; and if the identification result is abnormal cleaning, sending out a cleaning difficulty alarm.
In practical application, a spray header is arranged on each photovoltaic panel, after the dust amount on the photovoltaic panel is monitored to reach the corresponding dust rating, a water pump can be started to spray water onto the photovoltaic panel through the spray header, cleaning modes with different time and different intensities are adopted for cleaning the photovoltaic panel corresponding to the dust rating, the cleaning state of the photovoltaic panel is monitored during cleaning, if the photovoltaic panel is cleaned, water spraying is stopped, and if the photovoltaic panel is not cleaned after long-time water spraying, an alarm is given.
Further, the acquiring the dust image on all the photovoltaic panels includes:
setting a motion trail of a flight monitor;
shooting each photovoltaic panel through a flight monitor to obtain a real-time monitoring image;
acquiring the real-time position of a flight monitor;
and combining the real-time position with the real-time monitoring image to obtain dust images of all the photovoltaic panels.
In practical application, each photovoltaic panel of the photovoltaic power station is monitored through the flight monitor according to a preset motion track, and the flight monitor has a positioning function, so that the position of each photovoltaic panel can be correspondingly marked when the photovoltaic panels are shot, and a corresponding spray head is started to clean.
Optionally, the method further includes:
acquiring electric quantity information of a flight monitor;
judging the remaining flight time of the flight monitor according to the electric quantity information;
calculating the threshold flight time of the charging pile returning to the nearest charging pile according to the real-time position;
and judging whether the flight monitor needs to be charged according to the residual flight time and the threshold flight time, and if so, controlling the flight monitor to fly to the nearest charging pile for charging.
In practical application, because flight monitor has the electric quantity restriction, in order to avoid flight monitor's residual capacity to be not enough to support flight monitor to fly back to fill on the electric pile, the event needs to monitor flight monitor residual capacity to calculate flight monitor current position and the nearest distance of filling electric pile in real time, so that compare flight monitor's residual flight time and threshold value flight time, thereby judge whether to need to charge.
Optionally, the calculating the amount of dust on each photovoltaic panel according to the dust image includes:
performing image processing on the dust image to obtain a processed image;
identifying texture features, color features and shape features in the processed image;
calculating the proportion of texture features, color features and shape features in the processed image to the total image frame to obtain the dust proportion of the dust image;
and comparing the dust proportion of the dust image with a preset comparison picture in a database, and determining the dust amount on the photovoltaic panel.
In practical application, a gray level co-occurrence matrix method is used for identifying a processed image to obtain texture features of the processed image; identifying the processed image by a color clustering method to obtain the color characteristics of the processed image; identifying the processed image through the space moment to obtain the shape characteristic of the processed image; and judging that the image is in the identification interval by comparing the coincidence degree of the texture characteristic, the color characteristic and the shape characteristic, and then comparing the dust proportion of the dust image with a preset comparison image in a database to determine the interval of the dust amount on the photovoltaic panel.
Further, the preset cleaning mode includes:
acquiring temperature information, humidity information and weather prediction information of a photovoltaic power station;
and adjusting the cleaning modes with different gray levels according to the temperature information, the humidity information and the weather prediction information to obtain a preset cleaning mode.
In practical application, through temperature information, humidity information and weather forecast information, can adjust the clean mode of predetermineeing to increase or reduce the corresponding volume of spraying water.
Further, the cleaning effect of each photovoltaic panel is identified according to the cleaning state of each photovoltaic panel, and if the cleaning result is clean, the cleaning is stopped; if the identification result is abnormal cleaning, a cleaning difficulty alarm is sent out, and the method comprises the following steps:
identifying the cleaning time of each photovoltaic panel and the cleaned image, and stopping cleaning if the cleaning time of the photovoltaic panel is shorter than the preset cleaning time and the cleaned image is clean; and if the cleaning time of the photovoltaic panel is longer than the preset cleaning time and the cleaned image recognition structure is abnormal, sending out a cleaning difficulty alarm.
In practical application, because the last dust that not only has of photovoltaic board also has other pollutants, like bird's droppings, to this kind of pollutant, need wash for a long time just can be washed clean, so in order to save the water yield, after washing for a long time, still can not wash totally, then send and wash the difficulty and report an emergency and ask for help or increased vigilance, carry out follow-up washing by the manual work.
As shown in fig. 2, the present invention also provides a monitoring system for a photovoltaic power plant, including:
a flight monitor 10 for acquiring dust images on all photovoltaic panels;
a dust calculation module 20, configured to calculate an amount of dust on each photovoltaic panel according to the dust image;
the dust rating module 30 is configured to compare the dust amount on each photovoltaic panel with a preset dust threshold to obtain a dust rating of each photovoltaic panel;
the cleaning monitoring module 40 is used for selecting a corresponding preset cleaning mode to correspondingly clean each photovoltaic panel according to the dust rating of each photovoltaic panel and monitoring the cleaning state of each photovoltaic panel in real time;
the cleaning identification module 50 is used for identifying the cleaning effect of each photovoltaic panel according to the cleaning state of each photovoltaic panel, and if the cleaning result is clean, the cleaning is stopped; and if the identification result is abnormal cleaning, sending out a cleaning difficulty alarm.
Further, the flight monitor 10 comprises:
the track setting unit is used for setting the motion track of the flight monitor;
the image acquisition unit is used for shooting each photovoltaic panel through the flight monitor to obtain a real-time monitoring image;
the real-time positioning unit is used for acquiring the real-time position of the flight monitor;
and the positioning image combining unit is used for combining the real-time position with the real-time monitoring image to obtain dust images of all the photovoltaic panels.
Further, the flight monitor 10 further includes:
the electric quantity acquisition unit is used for acquiring electric quantity information of the flight monitor;
the endurance calculating unit is used for judging the residual flight time of the flight monitor according to the electric quantity information;
the homing calculation unit is used for calculating the threshold flight time of the homing calculation unit returning to the nearest charging pile according to the real-time position;
and the charging judgment unit is used for judging whether the flight monitor needs to be charged according to the residual flight time and the threshold flight time, and if so, controlling the flight monitor to fly to the nearest charging pile for charging.
Further, the dust calculation module 20 includes:
the image processing unit is used for carrying out image processing on the dust image to obtain a processed image;
the characteristic identification unit is used for identifying texture characteristics, color characteristics and shape characteristics in the processed image;
the proportion calculation unit is used for calculating the proportion of the texture feature, the color feature and the shape feature in the processed image to the total map frame to obtain the dust proportion of the dust image;
and the dust amount determining unit is used for comparing the dust proportion of the dust image with a preset comparison picture in a database and determining the dust amount on the photovoltaic panel.
Further, the feature recognition unit includes:
the texture recognition unit is used for recognizing the processed image through a gray level co-occurrence matrix method to obtain the texture characteristics of the processed image;
the color identification unit is used for identifying the processed image by a color clustering method to obtain the color characteristics of the processed image;
and the shape recognition unit is used for recognizing the processed image through the space moment to obtain the shape characteristics of the processed image.
For specific limitations of a monitoring system of a photovoltaic power plant, reference may be made to the above limitations on the monitoring operation and maintenance method of a photovoltaic power plant, which are not described herein again. All or part of each module in the monitoring system of the photovoltaic power station can be realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a server, the internal structure of which may be as shown in fig. 3. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The computer program is executed by a processor to implement a method for monitoring, operating and maintaining a photovoltaic power plant.
Those skilled in the art will appreciate that the architecture shown in fig. 3 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory and a processor, the memory having a computer program stored therein, the processor implementing the following steps when executing the computer program: acquiring dust images on all photovoltaic panels;
calculating the dust amount on each photovoltaic panel according to the dust image;
comparing the dust amount on each photovoltaic panel with a preset dust threshold value to obtain a dust rating of each photovoltaic panel;
selecting a corresponding preset cleaning mode to correspondingly clean each photovoltaic panel according to the dust rating of each photovoltaic panel, and monitoring the cleaning state of each photovoltaic panel in real time;
identifying the cleaning effect of each photovoltaic panel according to the cleaning state of each photovoltaic panel, and stopping cleaning if the identification result is that the photovoltaic panels are cleaned; and if the identification result is abnormal cleaning, sending out a cleaning difficulty alarm.
In one embodiment, the acquiring the dust image on all the photovoltaic panels includes:
setting a motion trail of a flight monitor;
shooting each photovoltaic panel through a flight monitor to obtain a real-time monitoring image;
acquiring the real-time position of a flight monitor;
and combining the real-time position with the real-time monitoring image to obtain dust images of all the photovoltaic panels.
In one embodiment, further comprising:
acquiring electric quantity information of a flight monitor;
judging the remaining flight time of the flight monitor according to the electric quantity information;
calculating the threshold flight time of the charging pile returning to the nearest charging pile according to the real-time position;
and judging whether the flight monitor needs to be charged according to the residual flight time and the threshold flight time, and if so, controlling the flight monitor to fly to the nearest charging pile for charging.
In one embodiment, the calculating the amount of dust on each photovoltaic panel from the dust image comprises:
performing image processing on the dust image to obtain a processed image;
identifying texture features, color features and shape features in the processed image;
calculating the proportion of texture features, color features and shape features in the processed image to the total image frame to obtain the dust proportion of the dust image;
and comparing the dust proportion of the dust image with a preset comparison picture in a database, and determining the dust amount on the photovoltaic panel.
In one embodiment, the identifying texture features, color features, and shape features in the processed image comprises:
identifying the processed image by a gray level co-occurrence matrix method to obtain the texture characteristics of the processed image;
identifying the processed image by a color clustering method to obtain the color characteristics of the processed image;
and identifying the processed image through the space moment to obtain the shape characteristic of the processed image.
In one embodiment, the preset cleaning mode includes:
acquiring temperature information, humidity information and weather prediction information of a photovoltaic power station;
and adjusting the cleaning modes with different gray levels according to the temperature information, the humidity information and the weather prediction information to obtain a preset cleaning mode.
In one embodiment, the cleaning effect of each photovoltaic panel is identified according to the cleaning state of each photovoltaic panel, and if the cleaning effect is clean, the cleaning is stopped; if the identification result is abnormal cleaning, a cleaning difficulty alarm is sent out, and the method comprises the following steps:
identifying the cleaning time of each photovoltaic panel and the cleaned image, and stopping cleaning if the cleaning time of the photovoltaic panel is less than the preset cleaning time and the cleaned image is clean; and if the cleaning time of the photovoltaic panel is longer than the preset cleaning time and the cleaned image recognition structure is abnormal, sending out a cleaning difficulty alarm.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present invention should also be considered as within the scope of the present invention.
Claims (10)
1. A monitoring operation and maintenance method for a photovoltaic power station is characterized by comprising the following steps:
acquiring dust images on all photovoltaic panels;
calculating the dust amount on each photovoltaic panel according to the dust image;
comparing the dust amount on each photovoltaic panel with a preset dust threshold value to obtain a dust rating of each photovoltaic panel;
selecting a corresponding preset cleaning mode to correspondingly clean each photovoltaic panel according to the dust rating of each photovoltaic panel, and monitoring the cleaning state of each photovoltaic panel in real time;
identifying the cleaning effect of each photovoltaic panel according to the cleaning state of each photovoltaic panel, and stopping cleaning if the cleaning result is clean; and if the identification result is abnormal cleaning, sending out a cleaning difficulty alarm.
2. The method of claim 1, wherein the acquiring of the dust image on all photovoltaic panels comprises:
setting a motion trail of a flight monitor;
shooting each photovoltaic panel through a flight monitor to obtain a real-time monitoring image;
acquiring the real-time position of a flight monitor;
and combining the real-time position with the real-time monitoring image to obtain dust images of all the photovoltaic panels.
3. The method of claim 2, further comprising:
acquiring electric quantity information of a flight monitor;
judging the remaining flight time of the flight monitor according to the electric quantity information;
calculating the threshold flight time of the charging pile returning to the nearest charging pile according to the real-time position;
and judging whether the flight monitor needs to be charged according to the residual flight time and the threshold flight time, and if so, controlling the flight monitor to fly to the nearest charging pile for charging.
4. The method of claim 1, wherein calculating the amount of dust on each photovoltaic panel from the dust image comprises:
performing image processing on the dust image to obtain a processed image;
identifying texture features, color features and shape features in the processed image;
calculating the proportion of the texture feature, the color feature and the shape feature in the processed image to the total map frame to obtain the dust proportion of the dust image;
and comparing the dust proportion of the dust image with a preset comparison picture in a database to determine the dust amount on the photovoltaic panel.
5. The method of claim 4, wherein the identifying texture features, color features, and shape features in the processed image comprises:
identifying the processed image by a gray level co-occurrence matrix method to obtain the texture characteristics of the processed image;
identifying the processed image by a color clustering method to obtain the color characteristics of the processed image;
and identifying the processed image through the space moment to obtain the shape characteristic of the processed image.
6. The method of claim 1, wherein the preset cleaning mode comprises:
acquiring temperature information, humidity information and weather prediction information of a photovoltaic power station;
and adjusting the cleaning modes with different gray levels according to the temperature information, the humidity information and the weather prediction information to obtain a preset cleaning mode.
7. The method according to claim 6, wherein the cleaning effect of each photovoltaic panel is identified according to the cleaning state of each photovoltaic panel, and if the cleaning effect is identified to be clean, the cleaning is stopped; if the identification result is abnormal cleaning, a cleaning difficulty alarm is sent out, and the method comprises the following steps:
identifying the cleaning time of each photovoltaic panel and the cleaned image, and stopping cleaning if the cleaning time of the photovoltaic panel is shorter than the preset cleaning time and the cleaned image is clean; and if the cleaning time of the photovoltaic panel is longer than the preset cleaning time and the cleaned image recognition structure is abnormal, sending out a cleaning difficulty alarm.
8. A monitoring system for a photovoltaic power plant, comprising:
the flight monitor is used for acquiring dust images on all the photovoltaic panels;
the dust calculating module is used for calculating the dust amount on each photovoltaic panel according to the dust image;
the dust rating module is used for comparing the dust amount on each photovoltaic panel with a preset dust threshold value to obtain the dust rating of each photovoltaic panel;
the cleaning monitoring module is used for selecting a corresponding preset cleaning mode to correspondingly clean each photovoltaic panel according to the dust rating of each photovoltaic panel and monitoring the cleaning state of each photovoltaic panel in real time;
the cleaning identification module is used for identifying the cleaning effect of each photovoltaic panel according to the cleaning state of each photovoltaic panel, and if the cleaning result is clean, the cleaning is stopped; and if the identification result is abnormal cleaning, sending out a cleaning difficulty alarm.
9. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor, when executing the computer program, implements the steps of the method of any of claims 1 to 7.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 7.
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Effective date of registration: 20231009 Address after: 213000, 5th Floor, Building D2, Industrial Workshop, Hutang Science and Technology Industrial Park, Hutang Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: Geometric Intelligence (Changzhou) Photovoltaic Power Station Operation and Maintenance Management Co.,Ltd. Address before: Building A4, No. 648 Xining Road, Xintang Town, Zengcheng District, Guangzhou City, Guangdong Province, 510000 Patentee before: Geometry Smart City Technology (Guangzhou) Co.,Ltd. |