CN112910410A - Hot spot effect monitoring system of photovoltaic power station - Google Patents
Hot spot effect monitoring system of photovoltaic power station Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 230000000694 effects Effects 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 238000007689 inspection Methods 0.000 claims abstract description 24
- 238000010248 power generation Methods 0.000 claims abstract description 24
- 230000002159 abnormal effect Effects 0.000 claims description 59
- 238000003384 imaging method Methods 0.000 claims description 37
- 238000004891 communication Methods 0.000 claims description 11
- 238000003331 infrared imaging Methods 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 claims description 9
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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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
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18502—Airborne stations
- H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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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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- Aviation & Aerospace Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The photovoltaic power station hot spot effect monitoring system comprises a photovoltaic power generation board group, an RFID sensing label group, an NB-IOT relay node, an NB-IOT gateway, a monitoring center and an inspection unmanned aerial vehicle, wherein the photovoltaic power generation board group is connected with the RFID sensing label group, the RFID sensing label group is connected with the NB-IOT relay node, the NB-IOT relay node is connected with the NB-IOT gateway, the NB-IOT gateway is connected with the monitoring center, and the NB-IOT gateway is connected with the inspection unmanned aerial vehicle. The invention can improve the detection accuracy and reduce the labor cost, and can quickly and effectively judge and eliminate the faults of the photovoltaic array.
Description
Technical Field
The utility model relates to the technical field of the internet of things, wireless communication technology and sensor, in particular to a distributed photovoltaic power station hot spot effect monitoring system based on RFID and NB-IOT technology.
Background
With the development of photovoltaic power generation technology and the increase of photovoltaic power generation grid-connected scale, the types of faults occurring in photovoltaic power generation system equipment are various, and common faults mainly include photovoltaic array faults and grid-connected inverter faults. At present, a fault detection method of an inverter is mature, the fault detection method of a photovoltaic array is basically manual offline block-by-block detection, and the online detection method is in a research state. The photovoltaic array can not be detected on line in real time, and real-time control and monitoring of the photovoltaic power station are difficult to realize. Meanwhile, the working voltage of the photovoltaic array can generally reach hundreds of volts, and the photovoltaic array is mostly installed in the field or in harsh environments such as desert and the like, so that the manual maintenance period is long and the danger is high.
The development of the photovoltaic industry is limited by the problem of failure of the photovoltaic array, and the hot spot effect in the failure of the photovoltaic array needs to be extremely noticed; the hot spot effect is usually generated by partially shielding a photovoltaic array and often occurs on a solar photovoltaic cell; when a large photovoltaic array generates a serious hot spot phenomenon, the temperature of the hot spot can reach 200 ℃, and the generated heat can possibly burn out photovoltaic cell monomers or packaging materials of photovoltaic cell modules, even the photovoltaic cells of the whole branch cannot work normally.
The fault detection of the photovoltaic array at the present stage is still manually checked, the maintenance cost is high, the danger is great, the long-term operation of a photovoltaic power station is not facilitated, and the real-time online monitoring and effective fault alarm cannot be realized; therefore, the running state of the photovoltaic array is detected in real time, the fault of the photovoltaic array is judged and eliminated quickly and effectively, and the method has important significance for normal running of the photovoltaic power station.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the background technology and provide a hot spot effect monitoring system for a photovoltaic power station, wherein human intervention is not needed during detection, the detection accuracy can be improved, the labor cost can be reduced, and the fault judgment and elimination of a photovoltaic array can be quickly and effectively carried out.
The invention solves the technical problem and adopts the technical scheme that the hot spot effect monitoring system for the photovoltaic power station comprises a photovoltaic power generation panel group, an RFID sensing label group, an NB-IOT relay node, an NB-IOT gateway, a monitoring center and an inspection unmanned aerial vehicle, wherein the photovoltaic power generation panel group is connected with the RFID sensing label group, the RFID sensing label group is connected with the NB-IOT relay node, the NB-IOT relay node is connected with the NB-IOT gateway, the NB-IOT gateway is connected with the monitoring center, and the NB-IOT gateway is connected with the inspection unmanned aerial vehicle;
the RFID sensing tag group is used for collecting voltage and current information of the photovoltaic power generation equipment group and wirelessly transmitting the collected original data to the NB-IOT relay node in real time;
the NB-IOT relay node is used for receiving the original data packet transmitted by the RFID sensing label group, packaging the original data packet into a secondary data packet conforming to the NB-IOT communication protocol through a TCP/IP protocol, and then wirelessly transmitting the secondary data packet to the NB-IOT gateway;
the NB-IOT gateway is used for receiving a secondary data packet transmitted by the NB-IOT relay node and transmitting the secondary data packet to the monitoring center; the NB-IOT gateway is used for receiving the position information of the abnormal equipment corresponding to the RFID sensing tag transmitted by the monitoring center and wirelessly transmitting the position information of the abnormal equipment to the inspection unmanned aerial vehicle; the NB-IOT gateway is used for receiving imaging detection information transmitted by the inspection unmanned aerial vehicle again and transmitting the imaging detection information to the monitoring center;
the monitoring center is used for receiving the secondary data packet transmitted by the NB-IOT gateway and analyzing and monitoring the secondary data packet; if the data information of a certain RFID sensing label is found to be abnormal through analysis and monitoring, the monitoring center sends the position information of abnormal equipment corresponding to the RFID sensing label to the NB-IOT gateway; the monitoring center is used for receiving an imaging result of the abnormal equipment transmitted by the NB-IOT gateway, analyzing the imaging result by the monitoring center, judging whether a hot spot effect exists or not, and informing a maintenance worker to carry out field maintenance if the imaging result is still abnormal;
the routing inspection unmanned aerial vehicle is used for receiving the position information of the abnormal equipment transmitted by the NB-IOT gateway, flying to the side of the abnormal equipment according to the position information, and performing visible light and infrared imaging on the abnormal equipment by using a visible light and infrared detection mode; and after the patrol unmanned aerial vehicle finishes imaging detection, wirelessly transmitting the imaging result of the abnormal equipment to the NB-IOT gateway.
Further, the NB-IOT relay node comprises a reader antenna, an RFID reader, an NB-IOT transmitting module and an NB-IOT antenna; the RFID reader is connected with the NB-IOT transmitting module, the NB-IOT transmitting module is connected with the NB-IOT antenna, and the RFID reader is connected with the reading antenna;
the reader antenna is used for receiving an original data packet wirelessly transmitted by the RFID sensing tag group and transmitting the original data packet to the RFID reader;
the RFID reader is used for packaging the original data packet into a data format conforming to an RFID protocol and transmitting data information to the NB-IOT transmitting module;
and the NB-IOT transmitting module is used for repackaging the data information into a secondary data packet conforming to the NB-IOT communication protocol and transmitting the secondary data packet to the NB-IOT gateway through the NB-IOT antenna.
Further, the RFID reader is connected with the NB-IOT transmitting module through a UART serial port.
Further, the patrol unmanned aerial vehicle is provided with an NB-IOT information transceiver and an infrared image detection device, and specifically comprises a power module, an NB-IOT transceiver antenna, an NB-IOT transceiver module, an MCU module, a visible light imager and a thermal infrared imager; the NB-IOT transceiving antenna is connected with the NB-IOT transceiving module; the NB-IOT transceiver module is connected with the MCU module; the visible light imager and the thermal infrared imager are respectively connected with the MCU module; the NB-IOT transceiving antenna, the NB-IOT transceiving module, the visible light imager, the thermal infrared imager and the MCU module are all connected with the power supply module;
the NB-IOT receiving and transmitting antenna is used for receiving the position information of the abnormal equipment transmitted by the NB-IOT gateway and transmitting the position information of the abnormal equipment to the NB-IOT receiving and transmitting module; secondly, the infrared thermal imager is used for wirelessly transmitting imaging results of the visible light imager and the infrared thermal imager to a monitoring center;
the NB-IOT transceiving module is used for receiving the position information of the abnormal equipment transmitted from the NB-IOT transceiving antenna and then transmitting the position information to the MCU module; secondly, the imaging result of the abnormal equipment transmitted by the MCU module is transmitted to a receiving and transmitting antenna;
the MCU module is used for receiving the position information of the abnormal equipment transmitted by the NB-IOT transceiving module and scheduling the inspection unmanned aerial vehicle to enable the inspection unmanned aerial vehicle to fly above the position of the abnormal equipment according to the position information of the abnormal equipment; secondly, the infrared imager and the visible light imager are used for scheduling the visible light imager and the infrared imager to perform visible light and infrared imaging on the abnormal equipment, receiving an imaging result and transmitting the imaging result to the NB-IOT transceiver module;
the infrared thermal imager is used for carrying out infrared imaging on the abnormal equipment and transmitting an imaging result to the MCU module;
the power supply module is used for supplying power to the NB-IOT transceiving antenna, the NB-IOT transceiving module, the MCU module, the visible light imager and the thermal infrared imager.
Further, photovoltaic power generation board group is including the photovoltaic power generation board that quantity is N, RFID sensing label group is including the RFID sensing label that quantity is N, and RFID sensing label is placed in the collection flow box position of the photovoltaic power generation board that corresponds.
Compared with the prior art, the invention has the following advantages:
(1) the invention adopts a three-layer network structure and has stronger stability.
(2) The invention adopts a communication mode based on RFID and NB-IOT, uses a wireless communication mode to exchange information, and can realize stable, long-distance and real-time monitoring.
(3) The invention adopts a secondary detection technology, uses a conventional voltage and current detection method for the first time, adopts an unmanned aerial vehicle visible light and infrared imaging detection technology for the second time, and has better robustness.
(4) The invention adopts two different methods to detect the equipment to be detected, does not need human intervention during detection, can improve the detection accuracy and reduce the labor cost, can realize long-term operation of the photovoltaic power station, real-time online monitoring and effective fault alarm, and can quickly and effectively judge and eliminate the faults of the photovoltaic array.
Drawings
Fig. 1 is a block diagram of the overall structure of an embodiment of the present invention.
Fig. 2 is a block diagram of the structure of the NB-IOT relay node of the embodiment shown in fig. 1.
Fig. 3 is a block diagram of the inspection drone of the embodiment shown in fig. 1.
Detailed Description
The invention is described in further detail below with reference to the figures and specific embodiments.
Referring to fig. 1, the embodiment includes a photovoltaic power generation panel group U1, an RFID sensing tag group U2, an NB-IOT relay node U3, an NB-IOT gateway U4, a monitoring center U5 and an inspection unmanned aerial vehicle U6, the photovoltaic power generation panel group U1 is connected to the RFID sensing tag group U2, the RFID sensing tag group U2 is connected to an NB-IOT relay node U3, the NB-IOT relay node U3 is connected to an NB-IOT gateway U4, the NB-IOT gateway U4 is connected to a monitoring center U5, and the NB-IOT gateway U4 is connected to an inspection unmanned aerial vehicle U6.
Photovoltaic power generation board group U1 includes that the quantity is the photovoltaic power generation board of N, and RFID sensing label group U2 includes that the quantity is the RFID sensing label of N, and RFID sensing label places in the collection flow box position of corresponding photovoltaic power generation board.
The RFID sensing tag group U2 is used for collecting voltage and current information of the photovoltaic power generation equipment group U1 and wirelessly transmitting the collected original data to the NB-IOT relay node U3 in real time.
The NB-IOT relay node U3 is used for receiving the original data packet transmitted by the RFID sensing tag group U2, packaging the original data packet into a secondary data packet conforming to the NB-IOT communication protocol through a TCP/IP protocol, and then wirelessly transmitting the secondary data packet to the NB-IOT gateway U4.
The NB-IOT gateway U4 is first configured to receive a secondary data packet transmitted by the NB-IOT relay node U3, and transmit the secondary data packet to the monitoring center U5; the NB-IOT gateway U4 is used for receiving the position information of the abnormal equipment corresponding to the RFID sensing tag transmitted by the monitoring center U5 and wirelessly transmitting the position information of the abnormal equipment to the inspection unmanned aerial vehicle U6; the NB-IOT gateway U4 is used for receiving the imaging detection information transmitted by the inspection unmanned aerial vehicle U6 again, and transmitting the imaging detection information to the monitoring center U5.
The monitoring center U5 is used for receiving the secondary data packet transmitted by the NB-IOT gateway U4 and analyzing and monitoring the secondary data packet; if the data information of a certain RFID sensing tag is found to be abnormal through analysis and monitoring, the monitoring center U5 sends the position information of abnormal equipment corresponding to the RFID sensing tag to the NB-IOT gateway U4; the monitoring center U5 is used for receiving the imaging result of the abnormal equipment sent by the NB-IOT gateway U4, the monitoring center U5 analyzes the imaging result, judges whether the hot spot effect exists or not, and if the imaging result is still displayed to be abnormal, the monitoring center U5 informs maintenance personnel to carry out field maintenance.
The patrol unmanned aerial vehicle U6 is used for receiving the position information of the abnormal equipment transmitted by the NB-IOT gateway U4, flying to the side of the abnormal equipment according to the position information, and performing visible light and infrared imaging on the abnormal equipment by using a visible light and infrared detection mode; after the patrol unmanned aerial vehicle U6 finishes imaging detection, the imaging result of abnormal equipment is wirelessly transmitted to the NB-IOT gateway U4.
Referring to FIG. 2, NB-IOT relay node U3 includes reader antenna U31, RFID reader U32, NB-IOT transmitting module U33, and NB-IOT antenna U34; the RFID reader U32 is connected with an NB-IOT transmitting module U33 through a UART serial port, the NB-IOT transmitting module U33 is connected with an NB-IOT antenna U34, and the RFID reader U32 is connected with a reading antenna U31.
The reader antenna U31 is used for receiving the original data packet wirelessly transmitted by the RFID sensing tag group U2 and transmitting the original data packet to the RFID reader U32.
The RFID reader U32 is used for packaging the original data packet into a data format conforming to the RFID protocol, and transmitting the data information to the NB-IOT transmitting module U33 through the UART serial port.
The NB-IOT transmitting module U33 is used for repackaging the data information into secondary data packets conforming to the NB-IOT communication protocol, and transmitting the secondary data packets to the NB-IOT gateway U4 through the NB-IOT antenna U34.
Referring to fig. 3, the patrol unmanned aerial vehicle U6 is provided with an NB-IOT information transceiver and an infrared image detection device, and specifically includes a power module U66, an NB-IOT transceiver antenna U65, an NB-IOT transceiver module U64, an MCU module U63, a visible light imager U61, and a thermal infrared imager U62; the NB-IOT transceiving antenna U65 is connected with the NB-IOT transceiving module U64; the NB-IOT transceiving module U64 is connected with the MCU module U63; the visible light imager U61 and the thermal infrared imager U62 are respectively connected with the MCU module U63; the NB-IOT transceiving antenna U65, the NB-IOT transceiving module U64, the visible light imager U61, the thermal infrared imager U62 and the MCU module U63 are all connected with the power supply module U66.
The NB-IOT transceiving antenna U65 is used for receiving the position information of the abnormal equipment transmitted by the NB-IOT gateway U4 and transmitting the position information of the abnormal equipment to the NB-IOT transceiving module; and secondly, the infrared imager U62 is used for wirelessly transmitting imaging results of the visible light imager U61 and the infrared imager U3526 to the monitoring center U5.
The NB-IOT transceiving module U64 is used for receiving the position information of the abnormal equipment transmitted from the NB-IOT transceiving antenna U65 and then transmitting the position information to the MCU module U63; and secondly, the imaging result of the abnormal equipment transmitted by the MCU module U63 is transmitted to the transceiving antenna U65.
The MCU module U63 is used for receiving the position information of the abnormal equipment transmitted by the NB-IOT transceiver module U64, and scheduling the inspection unmanned aerial vehicle U6 to enable the inspection unmanned aerial vehicle to fly above the position of the abnormal equipment according to the position information of the abnormal equipment; and secondly, the scheduling module is used for scheduling the visible light imager U61 and the thermal infrared imager U62 to perform visible light and infrared imaging on the abnormal equipment, receiving an imaging result and transmitting the imaging result to the NB-IOT transceiver module U64.
The visible light imager U61 is used for carrying out visible light imaging on the abnormal equipment, and the thermal infrared imager U62 is used for carrying out infrared imaging on the abnormal equipment and transmitting an imaging result to the MCU module U63.
The power supply module U66 is used for supplying power to the NB-IOT transceiving antenna U65, the NB-IOT transceiving module U64, the MCU module U63, the visible light imager U61 and the thermal infrared imager U62.
The hot spot effect monitoring system of the photovoltaic power station comprises an RFID first layer network consisting of an RFID sensing tag group U2 to an NB-IOT relay node U3; an NB-IOT second layer communication network consisting of an NB-IOT emission module U33 of the NB-IOT relay node U3 and an NB-IOT gateway U4; the photovoltaic equipment which is likely to generate faults is detected for the second time by a third-layer top-layer network composed of an NB-IOT gateway U4 and a monitoring center U5, the current and voltage state of the photovoltaic power generation panel group U1 is detected for the first time by an RFID sensing tag group U2, and abnormal equipment is detected for the second time by an inspection unmanned aerial vehicle U6 through an infrared detection method; through twice detection in different modes, the state of the equipment can be more accurately confirmed, so that the probability of misjudgment is effectively avoided, the working efficiency of maintenance personnel is greatly improved, and the labor cost is reduced. The invention has the advantages of long communication distance, strong reliability, strong anti-interference capability, low power consumption, real-time detection, deep coverage and realization of a large number of connections; the method can effectively meet the specific requirements of the photovoltaic power station on-line hot spot effect detection in various aspects.
Various modifications and variations of the present invention may be made by those skilled in the art, and they are also within the scope of the present invention provided they are within the scope of the claims of the present invention and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (5)
1. The utility model provides a photovoltaic power station hot spot effect monitoring system which characterized in that: the system comprises a photovoltaic power generation panel group, an RFID sensing label group, an NB-IOT relay node, an NB-IOT gateway, a monitoring center and an inspection unmanned aerial vehicle, wherein the photovoltaic power generation panel group is connected with the RFID sensing label group, the RFID sensing label group is connected with the NB-IOT relay node, the NB-IOT relay node is connected with the NB-IOT gateway, the NB-IOT gateway is connected with the monitoring center, and the NB-IOT gateway is connected with the inspection unmanned aerial vehicle;
the RFID sensing tag group is used for collecting voltage and current information of the photovoltaic power generation equipment group and wirelessly transmitting the collected original data to the NB-IOT relay node in real time;
the NB-IOT relay node is used for receiving the original data packet transmitted by the RFID sensing label group, packaging the original data packet into a secondary data packet conforming to the NB-IOT communication protocol through a TCP/IP protocol, and then wirelessly transmitting the secondary data packet to the NB-IOT gateway;
the NB-IOT gateway is used for receiving a secondary data packet transmitted by the NB-IOT relay node and transmitting the secondary data packet to the monitoring center; the NB-IOT gateway is used for receiving the position information of the abnormal equipment corresponding to the RFID sensing tag transmitted by the monitoring center and wirelessly transmitting the position information of the abnormal equipment to the inspection unmanned aerial vehicle; the NB-IOT gateway is used for receiving imaging detection information transmitted by the inspection unmanned aerial vehicle again and transmitting the imaging detection information to the monitoring center;
the monitoring center is used for receiving the secondary data packet transmitted by the NB-IOT gateway and analyzing and monitoring the secondary data packet; if the data information of a certain RFID sensing label is found to be abnormal through analysis and monitoring, the monitoring center sends the position information of abnormal equipment corresponding to the RFID sensing label to the NB-IOT gateway; the monitoring center is used for receiving an imaging result of the abnormal equipment transmitted by the NB-IOT gateway, analyzing the imaging result by the monitoring center, judging whether a hot spot effect exists or not, and informing a maintenance worker to carry out field maintenance if the imaging result is still abnormal;
the routing inspection unmanned aerial vehicle is used for receiving the position information of the abnormal equipment transmitted by the NB-IOT gateway, flying to the side of the abnormal equipment according to the position information, and performing visible light and infrared imaging on the abnormal equipment by using a visible light and infrared detection mode; and after the patrol unmanned aerial vehicle finishes imaging detection, wirelessly transmitting the imaging result of the abnormal equipment to the NB-IOT gateway.
2. The photovoltaic power plant hotspot effect monitoring system of claim 1, wherein: the NB-IOT relay node comprises a reader antenna, an RFID reader, an NB-IOT transmitting module and an NB-IOT antenna; the RFID reader is connected with the NB-IOT transmitting module, the NB-IOT transmitting module is connected with the NB-IOT antenna, and the RFID reader is connected with the reading antenna;
the reader antenna is used for receiving an original data packet wirelessly transmitted by the RFID sensing tag group and transmitting the original data packet to the RFID reader;
the RFID reader is used for packaging the original data packet into a data format conforming to an RFID protocol and transmitting data information to the NB-IOT transmitting module;
and the NB-IOT transmitting module is used for repackaging the data information into a secondary data packet conforming to the NB-IOT communication protocol and transmitting the secondary data packet to the NB-IOT gateway through the NB-IOT antenna.
3. The photovoltaic power plant hotspot effect monitoring system of claim 2, wherein: the RFID reader is connected with the NB-IOT transmitting module through a UART serial port.
4. The photovoltaic power plant hotspot effect monitoring system of claim 1 or 2, wherein: the patrol unmanned aerial vehicle is provided with an NB-IOT information transceiver and an infrared image detection device, and specifically comprises a power module, an NB-IOT transceiver antenna, an NB-IOT transceiver module, an MCU module, a visible light imager and an infrared thermal imager; the NB-IOT transceiving antenna is connected with the NB-IOT transceiving module; the NB-IOT transceiver module is connected with the MCU module; the visible light imager and the thermal infrared imager are respectively connected with the MCU module; the NB-IOT transceiving antenna, the NB-IOT transceiving module, the visible light imager, the thermal infrared imager and the MCU module are all connected with the power supply module;
the NB-IOT receiving and transmitting antenna is used for receiving the position information of the abnormal equipment transmitted by the NB-IOT gateway and transmitting the position information of the abnormal equipment to the NB-IOT receiving and transmitting module; secondly, the infrared thermal imager is used for wirelessly transmitting imaging results of the visible light imager and the infrared thermal imager to a monitoring center;
the NB-IOT transceiving module is used for receiving the position information of the abnormal equipment transmitted from the NB-IOT transceiving antenna and then transmitting the position information to the MCU module; secondly, the imaging result of the abnormal equipment transmitted by the MCU module is transmitted to a receiving and transmitting antenna;
the MCU module is used for receiving the position information of the abnormal equipment transmitted by the NB-IOT transceiving module and scheduling the inspection unmanned aerial vehicle to enable the inspection unmanned aerial vehicle to fly above the position of the abnormal equipment according to the position information of the abnormal equipment; secondly, the infrared imager and the visible light imager are used for scheduling the visible light imager and the infrared imager to perform visible light and infrared imaging on the abnormal equipment, receiving an imaging result and transmitting the imaging result to the NB-IOT transceiver module;
the infrared thermal imager is used for carrying out infrared imaging on the abnormal equipment and transmitting an imaging result to the MCU module;
the power supply module is used for supplying power to the NB-IOT transceiving antenna, the NB-IOT transceiving module, the MCU module, the visible light imager and the thermal infrared imager.
5. The photovoltaic power plant hotspot effect monitoring system of claim 1 or 2, wherein: photovoltaic power generation board group is including the photovoltaic power generation board that quantity is N, RFID sensing label group is including the RFID sensing label that quantity is N, and RFID sensing label places in the collection flow box position of the photovoltaic power generation board that corresponds.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110079523.XA CN112910410A (en) | 2021-01-21 | 2021-01-21 | Hot spot effect monitoring system of photovoltaic power station |
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| CN202110079523.XA CN112910410A (en) | 2021-01-21 | 2021-01-21 | Hot spot effect monitoring system of photovoltaic power station |
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