CN116707437B - Photovoltaic power station arc fault monitoring device based on edge calculation - Google Patents
Photovoltaic power station arc fault monitoring device based on edge calculation Download PDFInfo
- Publication number
- CN116707437B CN116707437B CN202310979170.8A CN202310979170A CN116707437B CN 116707437 B CN116707437 B CN 116707437B CN 202310979170 A CN202310979170 A CN 202310979170A CN 116707437 B CN116707437 B CN 116707437B
- Authority
- CN
- China
- Prior art keywords
- data
- module
- fault
- spring
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004364 calculation method Methods 0.000 title claims abstract description 32
- 238000012806 monitoring device Methods 0.000 title claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 28
- 238000012544 monitoring process Methods 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 20
- 238000012549 training Methods 0.000 claims description 24
- 238000003825 pressing Methods 0.000 claims description 22
- 238000007781 pre-processing Methods 0.000 claims description 19
- 238000000605 extraction Methods 0.000 claims description 14
- 230000000670 limiting effect Effects 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000013480 data collection Methods 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 238000004458 analytical method Methods 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 238000010606 normalization Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 13
- 238000003745 diagnosis Methods 0.000 abstract description 5
- 238000007405 data analysis Methods 0.000 abstract description 4
- 230000004044 response Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3058—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B15/00—Supervisory desks or panels for centralised control or display
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
-
- 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
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Computing Systems (AREA)
- Quality & Reliability (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to an arc fault monitoring device of a photovoltaic power station based on edge calculation, which comprises an insulating machine case, an installation frame, a protection component, a heat dissipation component, a fault arc monitoring system, an operation panel and an edge calculation terminal, wherein the installation frame is arranged in the center of the inside of the insulating machine case, the fault arc monitoring system is arranged in the center of the inside of the installation frame, the edge calculation terminal is fixedly arranged at the top side of one end of the installation frame, the operation panel is fixedly arranged at the bottom side of one end of the installation frame, and the protection component is arranged at the top side of one end of the insulating machine case; according to the photovoltaic power station arc fault monitoring device based on edge calculation, real-time data analysis and processing can be performed by utilizing the capability of edge calculation, so that the monitoring capability, the diagnosis capability and the fault response speed of the photovoltaic power station arc fault are improved; meanwhile, the terminal equipment can be well protected, and the service life of the terminal equipment is effectively prolonged.
Description
Technical Field
The invention relates to the technical field of the Internet of things, in particular to a photovoltaic power station arc fault monitoring device based on edge calculation.
Background
Edge computing is a distributed computing architecture that aims to store computing and data close to the data source, i.e., to process data at the edge of a network; edge computing is typically implemented on edge devices, edge nodes, or edge gateways, which may include routers, internet of things (IoT) devices, sensors, cameras, and the like. The purpose of edge computing is to distribute computing tasks and data processing to the devices closest to the data source, enabling real-time processing and analysis locally, providing lower latency and stronger data privacy protection.
Arc faults in photovoltaic power stations are a type of current arc, usually caused by electrical equipment faults, poor contact, temperature superelevation, etc.; arc faults not only damage equipment and components, but also may pose a fire risk, reduce the performance and safety of photovoltaic power plants, and generally require the use of equipment for monitoring and detecting arc faults that may occur in the photovoltaic power plants; namely an arc fault monitoring device of the photovoltaic power station.
The arc fault monitoring device of the photovoltaic power station in the prior art can not quickly locate fault points when arc faults occur, operation and maintenance personnel are required to check all photovoltaic modules and cables one by one, monitoring capability and diagnosis capability are low, and fault response speed is low; meanwhile, the protection effect on the display equipment is poor, so that the display equipment is easily damaged by the external environment, and the service life of the display equipment is shortened; it is therefore necessary to design an edge-calculation-based photovoltaic power plant arc fault monitoring device.
Disclosure of Invention
The invention solves the problem of providing a photovoltaic power station arc fault monitoring device based on edge calculation, which can perform real-time data analysis and processing by utilizing the capability of edge calculation, and improves the monitoring capability and diagnosis capability of arc faults of the photovoltaic power station and the fault response speed; meanwhile, the terminal equipment has good protection effect, the damage to the terminal equipment caused by external environment factors is effectively reduced, and the service life of the terminal equipment is effectively prolonged.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a photovoltaic power plant arc fault monitoring device based on edge calculation, includes insulation machine case, installation frame, protection subassembly, radiator unit, fault arc monitored control system, operating panel and edge calculation terminal, the inside central authorities of insulation machine case are provided with the installation frame, the inside central authorities of installation frame are provided with fault arc monitored control system, the one end top side fixed mounting of installation frame has edge calculation terminal, and the one end bottom side fixed mounting of installation frame has operating panel, the one end top side of insulation machine case is provided with protection subassembly, and protection subassembly is located the outside of operating panel and edge calculation terminal, the one end bottom side of insulation machine case is provided with radiator unit, and radiator unit is located the bottom of installation frame;
the heat dissipation assembly comprises a heat dissipation fan, a diversion hole, second electric guide rails, second electric sliding seats, vertical beam frames, spring barrels, spring compression rods, spiral springs, cleaning brushes, electric cylinders, piston rods and buffer backing plates, wherein the heat dissipation fan is fixedly arranged on the inner bottom end face of an insulating chassis, a plurality of the diversion holes are formed in the bottom side of one end of the insulating chassis, the diversion holes are communicated with the inside of the insulating chassis, two second electric guide rails are fixedly arranged on the top and the bottom of the inner bottom end face of the insulating chassis, the second electric sliding seats are connected and arranged on the outer sides of the second electric guide rails, the vertical beam frames are fixedly arranged between the two second electric sliding seats, the spring barrels are fixedly arranged on the periphery of the end faces of the vertical beam frames, the spiral springs are internally arranged, the spring compression rods are inserted and arranged at the end face centers of the spiral springs, the cleaning brushes are fixedly arranged at one ends of the four spring compression rods, one ends of the cleaning brushes are connected with the inner walls of the diversion holes, the electric cylinders are fixedly arranged at the end centers of the end faces of the vertical beam frames, the electric cylinders are connected with the piston rods, and the piston rods are fixedly arranged at the end centers of the end faces of the electric cylinders, and the piston rods penetrate through the vertical beam frames and penetrate through the buffer backing plates.
Preferably, a wiring board is fixedly installed on one side of the bottom of the back end face of the insulating case through bolts, and one side of the wiring board is electrically connected with the fault arc monitoring system through a cable.
Preferably, the first electric guide rail is fixedly installed on the two sides of the inner wall of the insulating case outside the mounting frame, the first electric sliding seat is fixedly installed on the top and the bottom of the two sides of the outer wall of the mounting frame, and one end of the first electric sliding seat is connected with the first electric guide rail.
Preferably, one end of the spring pressing rod is provided with a limiting pressing plate, one side of the limiting pressing plate is connected with one end of the spiral spring in a fitting mode, and the other side of the limiting pressing plate is connected with the inner wall of the spring cylinder.
Preferably, the protection subassembly includes protective cover plate, spring hinge, protective baffle, guide way and transparent observation board, protective cover plate fixed mounting is in the one end top side of insulating quick-witted case, and protective cover plate's terminal surface top side installs transparent observation board, the guide way has been seted up to protective cover plate's terminal surface bottom side, the equal fixed mounting in bottom side both ends of guide way has spring hinge, and the one end fixed mounting of two spring hinges has protective baffle.
Preferably, a first magnetic block is fixedly arranged in the center of the top end face of the inner side of the guide groove, a second magnetic block is fixedly arranged in the inner side of the top end face of the protective baffle, and the first magnetic block is in magnetic attraction connection with the second magnetic block.
Preferably, the fault arc monitoring system comprises a data collection module, a data preprocessing module, a feature extraction module, a model deployment module, a real-time processing module and a result output module, wherein the data collection module is electrically connected with the data preprocessing module, the data preprocessing module is electrically connected with the feature extraction module, the feature extraction module is electrically connected with the model deployment module, the model deployment module is electrically connected with the real-time processing module, the real-time processing module is electrically connected with the result output module, the result output module is electrically connected with a data display unit, and the data display unit is electrically connected with the operation panel and the edge computing terminal.
Preferably, the data collection module: collecting fault data and normal data in the photovoltaic power station, and converting the fault data and the normal data into a data format with supervised learning; the data comprise variables such as current, voltage, light intensity and the like collected by the sensor, the categories of the variables are marked, and fault data are judged;
the data preprocessing module is used for: preprocessing the extracted features, such as data normalization, noise reduction processing, feature selection and the like, so as to ensure the accuracy and consistency of the data;
the feature extraction module is used for: extracting relevant features from the collected data; these features include frequency domain features, time domain features, energy features, etc., such as average current values, current fluctuation amplitudes, voltage harmonic content, etc.;
the model deployment module is electrically connected with a data training unit and a data optimizing unit, and the preprocessed data can be divided into a training set and a testing set through the data training unit and the data optimizing unit; after the models are selected and the features are extracted, the marked training data are used for training the models or algorithms, and after training is finished, the trained models are deployed on an edge computing terminal so as to analyze and predict new data in real time;
the real-time processing module is used for: when the data sensor acquires new data, the edge computing terminal immediately triggers the deployed model to perform real-time reasoning and processing; inputting new data into the model, and obtaining corresponding results or predictions;
the result output module is used for: after the reasoning process is completed, corresponding outputs, such as fault alarms, abnormal alarms, fault types, can be generated according to the results of the analysis.
The beneficial effects of the invention are as follows: according to the photovoltaic power station arc fault monitoring device based on edge calculation, the fault arc monitoring system and the edge calculation terminal can utilize the capability of edge calculation, so that real-time data analysis and processing can be performed, and the monitoring capability, the diagnosis capability and the fault response speed of the photovoltaic power station arc fault are improved; meanwhile, the protection component has a good protection effect on the terminal equipment, damage to the terminal equipment caused by external environment factors is effectively reduced, and the heat dissipation component has a good heat dissipation effect on the inside of the insulating case, so that the service life of the terminal equipment is effectively prolonged.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an overall front view of the present invention;
FIG. 3 is a schematic cross-sectional view of A-A of FIG. 2;
FIG. 4 is an enlarged view of a portion of the heat dissipating assembly of FIG. 3;
fig. 5 is a system schematic diagram of the fault arc monitoring system of the present invention.
Legend description:
1. an insulating chassis; 2. a first electric rail; 3. a frame is installed; 4. a first electric slide; 5. a protective assembly; 6. a heat dissipation assembly; 7. a fault arc monitoring system; 8. an operation panel; 9. an edge computing terminal; 10. a wiring board; 51. a protective cover plate; 52. a spring hinge; 53. a protective baffle; 54. a guide groove; 55. a transparent viewing plate; 61. a heat radiation fan; 62. a deflector aperture; 63. a second electric rail; 64. a second electric slide; 65. a vertical beam frame; 66. a spring cylinder; 67. a spring compression bar; 68. a coil spring; 69. cleaning a brush; 610. an electric cylinder; 611. a piston push rod; 612. a cushion pad; 71. a data collection module; 72. a data preprocessing module; 73. a feature extraction module; 74. a model deployment module; 75. a real-time processing module; 76. a result output module; 741. a data training unit; 742. a data optimizing unit; 761. and a data display unit.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Specific examples are given below.
Referring to fig. 1-5, an edge calculation-based photovoltaic power station arc fault monitoring device comprises an insulation chassis 1, a mounting frame 3, a protection component 5, a heat dissipation component 6, a fault arc monitoring system 7, an operation panel 8 and an edge calculation terminal 9, wherein the mounting frame 3 is arranged in the center of the inside of the insulation chassis 1, the fault arc monitoring system 7 is arranged in the center of the inside of the mounting frame 3, the edge calculation terminal 9 is fixedly arranged on the top side of one end of the mounting frame 3, the operation panel 8 is fixedly arranged on the bottom side of one end of the mounting frame 3, the protection component 5 is arranged on the top side of one end of the insulation chassis 1, the protection component 5 is positioned outside the operation panel 8 and the edge calculation terminal 9, the heat dissipation component 6 is arranged on the bottom side of one end of the insulation chassis 1, and the heat dissipation component 6 is positioned at the bottom of the mounting frame 3;
the heat dissipation assembly 6 comprises a heat dissipation fan 61, flow guide holes 62, second electric guide rails 63, second electric sliding seats 64, a vertical beam frame 65, a spring barrel 66, a spring pressing rod 67, a spiral spring 68, a cleaning brush 69, an electric cylinder 610, a piston pressing rod 611 and a buffer backing plate 612, wherein the heat dissipation fan 61 is fixedly installed on the inner bottom end face of the insulating machine case 1, a plurality of flow guide holes 62 are formed in the bottom side of one end of the insulating machine case 1, the flow guide holes 62 are communicated with the inside of the insulating machine case 1, two second electric guide rails 63 are fixedly installed on the top and the bottom of the inner bottom end face of the insulating machine case 1, the second electric sliding seats 64 are connected and installed on the outer side of the second electric guide rails 63, the vertical beam frame 65 is fixedly installed between the two second electric sliding seats 64, the spring barrel 66 is fixedly installed on the periphery of the end face of the vertical beam frame 65, the spiral spring 68 is installed on the inner side of the spring barrel 66, the spring pressing rod 67 is installed in a splicing mode, one end face center of the four spring pressing rods 67 is fixedly installed with the cleaning brush 69, one end of the cleaning brush 69 is connected with the inner wall of the flow guide holes 62, the end face center of the electric brush 67 is fixedly installed on the end face center of the end face of the vertical beam frame 65, the piston pressing rod 610 is connected with the piston pressing rod 610, and the piston pressing rod 611 passes through the center of the piston cylinder 610 is installed on the piston cylinder 610.
A wiring board 10 is fixedly arranged at one side of the bottom of the back end surface of the insulating case 1 through bolts, and one side of the wiring board 10 is electrically connected with a fault arc monitoring system 7 through a cable; is convenient for wiring and use.
The two sides of the inner wall of the insulating case 1 are positioned outside the mounting frame 3 and are fixedly provided with first electric guide rails 2, the top and the bottom of the two sides of the outer wall of the mounting frame 3 are fixedly provided with first electric sliding seats 4, and one ends of the first electric sliding seats 4 are connected with the first electric guide rails 2; the position of the mounting frame 3 is convenient to adjust.
One end of the spring pressing rod 67 is provided with a limiting pressing plate, one side of the limiting pressing plate is connected with one end of the spiral spring 68 in a fitting mode, the other side of the limiting pressing plate is connected with the inner wall of the spring barrel 66, and the limiting pressing plate can achieve a limiting effect on the spring pressing rod 67.
The protection component 5 comprises a protection cover plate 51, spring hinges 52, a protection baffle 53, guide grooves 54 and a transparent observation plate 55, wherein the protection cover plate 51 is fixedly arranged on the top side of one end of the insulation case 1, the transparent observation plate 55 is arranged on the top side of the end face of the protection cover plate 51, the guide grooves 54 are formed in the bottom side of the end face of the protection cover plate 51, the spring hinges 52 are fixedly arranged at two ends of the bottom side of the guide groove 54, and the protection baffle 53 is fixedly arranged at one end of each of the two spring hinges 52; the center of the top end face of the inner side of the guide groove 54 is fixedly provided with a first magnetic block, the inner side of the top end face of the protective baffle 53 is fixedly provided with a second magnetic block, and the first magnetic block is in magnetic attraction connection with the second magnetic block; the operation panel 8 and the edge computing terminal 9 outside the mounting frame 3 can be well protected by the protecting component 5.
The fault arc monitoring system 7 comprises a data collection module 71, a data preprocessing module 72, a feature extraction module 73, a model deployment module 74, a real-time processing module 75 and a result output module 76, wherein the data collection module 71 is electrically connected with the data preprocessing module 72, the data preprocessing module 72 is electrically connected with the feature extraction module 73, the feature extraction module 73 is electrically connected with the model deployment module 74, the model deployment module 74 is electrically connected with the real-time processing module 75, the real-time processing module 75 is electrically connected with the result output module 76, the result output module 76 is electrically connected with a data display unit 761, and the data display unit 761 is electrically connected with the operation panel 8 and the edge computing terminal 9;
the data collection module 71: collecting fault data and normal data in the photovoltaic power station, and converting the fault data and the normal data into a data format with supervised learning; the data comprise variables such as current, voltage, light intensity and the like collected by the sensor, the categories of the variables are marked, and fault data are judged;
the data preprocessing module 72: preprocessing the extracted features, such as data normalization, noise reduction processing, feature selection and the like, so as to ensure the accuracy and consistency of the data;
the feature extraction module 73: extracting relevant features from the collected data; these features include frequency domain features, time domain features, energy features, etc., such as average current values, current fluctuation amplitudes, voltage harmonic content, etc.;
the model deployment module 74 is electrically connected with a data training unit 741 and a data optimizing unit 742, and the data training unit 741 and the data optimizing unit 742 can divide the preprocessed data into a training set and a testing set; after selecting the models and extracting the features, training the models or algorithms by using the marked training data, and after training, deploying the trained models on the edge computing terminal 9 so as to analyze and predict new data in real time;
the real-time processing module 75: when the data sensor acquires new data, the edge computing terminal 9 immediately triggers the deployed model to perform real-time reasoning and processing; inputting new data into the model, and obtaining corresponding results or predictions;
the result output module 76: after the reasoning process is completed, corresponding output such as fault alarm, abnormal alarm and fault type can be generated according to the analysis result;
the fault arc monitoring system 7 can utilize the capability of edge calculation to perform real-time data analysis and processing locally to improve the monitoring and diagnosis capability of arc faults of the photovoltaic power station.
Working principle: when the photovoltaic power station device is used, the photovoltaic power station device is connected through the wiring board 10, so that the fault arc monitoring system 7, the operation panel 8 and the edge computing terminal 9 in the installation rack 3 can monitor arc faults of the photovoltaic power station, and fault data and normal data in the photovoltaic power station can be collected through the data collection module 71 and are converted into a data format with supervision and study; the data comprise variables such as current, voltage, light intensity and the like collected by the sensor, the categories of the variables are marked, and fault data are judged; the extracted features are preprocessed through a data preprocessing module 72, such as data normalization, noise reduction processing, feature selection and the like, so that the accuracy and consistency of the data are ensured; related features can be extracted from the collected data by the feature extraction module 73; these features include frequency domain features, time domain features, energy features, etc., such as average current values, current fluctuation amplitudes, voltage harmonic content, etc.; the data after preprocessing can be divided into a training set and a testing set by a data training unit 741 and a data optimizing unit 742 of the model deployment module 74; after selecting the models and extracting the features, training the models or algorithms by using the marked training data, and after training, deploying the trained models on the edge computing terminal 9 so as to analyze and predict new data in real time; the data of the photovoltaic power station are transmitted through the wiring board 10, so that the real-time processing module 75 can instantly trigger the deployed model to perform real-time reasoning and processing when the data sensor acquires new data; inputting new data into the model, and obtaining corresponding results or predictions; after the reasoning process is completed, corresponding output such as fault alarm, abnormal alarm and fault type can be generated according to the analysis result through the result output module 76, and the edge computing terminal 9 is enabled to perform display early warning through the data display unit 761; when the operation panel 8 and the edge computing terminal 9 need to be operated, the first electric guide rail 2 in the insulating case 1 works, the installation frame 3 can be moved to the protection component 5 from the inner side of the insulating case 1 through the four first electric sliding seats 4, in the moving process of the installation frame 3, one side of the operation panel 8 is contacted with the protection baffle 53, then the protection baffle 53 can be pushed, after the second magnetic block at the top of the protection baffle 53 is separated from the first magnetic block at the top of the inner side of the guide groove 54, the protection baffle 53 is turned over with the protection cover plate 51 through the spring hinge 52 until the edge computing terminal 9 is positioned at the inner side of the transparent observation plate 55, the display of the edge computing terminal 9 is conveniently observed through the transparent observation plate 55, and the operation panel 8 can be conveniently operated and used by a user through the guide groove 54; after the use is accomplished, can move into the inside of insulating machine case 1 with installing frame 3 through first electronic guide rail 2 and first electronic slide 4, lose the extruded guard flap 53 of operating panel 8 under the reset action of spring hinge 52, make guard flap 53 turn over into the inside of guide way 54, first magnetic path at the inboard top of guide way 54 and the second magnetic path at guard flap 53 top are magnetically sucked, inside at insulating machine case 1, can dispel the heat and cool to the trouble electric arc monitored control system 7 and the marginal computing terminal 9 of installing frame 3 inboard through cooling module 6, the during operation of radiator fan 61, can be convenient for insulating machine case 1 and external circulation of air through water conservancy diversion hole 62, after long-time use, second electronic guide rail 63 work, can drive vertical beam frame 65 through second electronic slide 64, along with the removal of vertical beam frame 65, the clean brush 69 of spring 67 one side can clean the inner wall of water conservancy diversion hole 62, when the electronic cylinder 610 work of vertical beam frame 65 terminal surface, can promote cushion 612 through piston push rod 611, make cushion 612 and clean the brush 69 bump the surface of spring 69 and make the brush 69 have the clean effect of leading to be good, the inside can bump the brush 69, make the brush 69 has the inside can be carried out the clean effect, the brush hole 68, the inside can be adjusted through the extrusion effect of the brush 69, the brush 69 is good, the inside can be used, the inside can be cleaned, the inside the brush 69 is cleaned, the inside can be washed, the fine dust can be washed, and the fine dust can be washed.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a photovoltaic power plant arc fault monitoring device based on edge calculation, its characterized in that includes insulating machine case (1), installation frame (3), protection subassembly (5), radiator unit (6), fault arc monitored control system (7), operating panel (8) and edge calculation terminal (9), the inside central authorities of insulating machine case (1) are provided with installation frame (3), the inside central authorities of installation frame (3) are provided with fault arc monitored control system (7), the one end top side of installation frame (3) fixedly mounted with edge calculation terminal (9), and the one end bottom side of installation frame (3) fixedly mounted with operating panel (8), the one end top side of insulating machine case (1) is provided with protection subassembly (5), and protection subassembly (5) are located the outside of operating panel (8) and edge calculation terminal (9), the one end bottom side of insulating machine case (1) is provided with radiator unit (6), and radiator unit (6) are located the bottom of installation frame (3);
the two sides of the inner wall of the insulating case (1) are positioned outside the mounting frame (3) and are fixedly provided with first electric guide rails (2), the tops and the bottoms of the two sides of the outer wall of the mounting frame (3) are fixedly provided with first electric sliding seats (4), and one end of each first electric sliding seat (4) is connected with each first electric guide rail (2);
the protection assembly (5) comprises a protection cover plate (51), spring hinges (52), protection baffle plates (53), guide grooves (54) and a transparent observation plate (55), wherein the protection cover plate (51) is fixedly installed on the top side of one end of the insulation cabinet (1), the transparent observation plate (55) is installed on the top side of the end face of the protection cover plate (51), the guide grooves (54) are formed in the bottom side of the end face of the protection cover plate (51), the spring hinges (52) are fixedly installed at two ends of the bottom side of each guide groove (54), and the protection baffle plates (53) are fixedly installed at one ends of the two spring hinges (52); the heat radiation component (6) comprises a heat radiation fan (61), a flow guide hole (62), a second electric guide rail (63), a second electric sliding seat (64), a vertical beam frame (65), a spring cylinder (66), a spring pressing rod (67), a spiral spring (68), a cleaning brush (69), an electric cylinder (610), a piston pushing rod (611) and a buffer pad plate (612), wherein the heat radiation fan (61) is fixedly arranged on the inner bottom end face of an insulating case (1), a plurality of flow guide holes (62) are formed on the bottom side of one end of the insulating case (1), the flow guide holes (62) are communicated with the inside of the insulating case (1), two second electric guide rails (63) are fixedly arranged on the top and the bottom of the inner bottom end face of the insulating case (1), the second electric sliding seat (64) is fixedly arranged on the outer side of the second electric sliding seat, the vertical beam frame (65) is fixedly arranged between the second electric sliding seat (64), the spring cylinders (66) are fixedly arranged on the periphery of the end face of the vertical beam frame (65), the inner side of the spring cylinder (66) is internally provided with the spiral spring (68), the spiral spring (68) is fixedly arranged on the inner end face of the brush (67), one end face of the spiral spring (67) is fixedly connected with the cleaning brush (67), one end of the cleaning brush (69) is connected with the inner wall of the flow guide hole (62), an electric cylinder (610) is fixedly arranged in the center of the end face of the vertical beam frame (65), a piston push rod (611) is arranged in the center of the end face of the electric cylinder (610), and one end of the piston push rod (611) penetrates through the vertical beam frame (65) to be connected with a buffer pad (612); when the electric cylinder (610) on the end face of the vertical beam frame (65) works, the buffer backing plate (612) can be pushed through the piston push rod (611) so that the buffer backing plate (612) collides with the surface of the cleaning brush (69), in the collision process, one side of the spring push rod (67) extrudes the spiral spring (68) inside the spring cylinder (66) through the limiting pressing plate, one end of the spring push rod (67) is provided with the limiting pressing plate, one side of the limiting pressing plate is connected with one end of the spiral spring (68) in a fitting mode, and the other side of the limiting pressing plate is connected with the inner wall of the spring cylinder (66).
2. The photovoltaic power station arc fault monitoring device based on edge calculation according to claim 1, wherein a wiring board (10) is fixedly installed on one side of the bottom of the back end face of the insulating case (1) through bolts, and one side of the wiring board (10) is electrically connected with a fault arc monitoring system (7) through a cable.
3. The photovoltaic power station arc fault monitoring device based on edge calculation according to claim 1, wherein a first magnetic block is fixedly installed in the center of the inner top end face of the guide groove (54), a second magnetic block is fixedly installed in the inner side of the top end face of the protective baffle (53), and the first magnetic block is magnetically connected with the second magnetic block.
4. The photovoltaic power station arc fault monitoring device based on edge calculation according to claim 1, wherein the fault arc monitoring system (7) comprises a data collection module (71), a data preprocessing module (72), a feature extraction module (73), a model deployment module (74), a real-time processing module (75) and a result output module (76), the data collection module (71) is electrically connected with the data preprocessing module (72), the data preprocessing module (72) is electrically connected with the feature extraction module (73), the feature extraction module (73) is electrically connected with the model deployment module (74), the model deployment module (74) is electrically connected with the real-time processing module (75), the real-time processing module (75) is electrically connected with the result output module (76), the result output module (76) is electrically connected with the data presentation unit (761), and the data presentation unit (761) is electrically connected with the operation panel (8) and the edge calculation terminal (9).
5. An edge-calculation-based photovoltaic power plant arc fault monitoring device according to claim 4, characterized in that the data collection module (71): collecting fault data and normal data in the photovoltaic power station, and converting the fault data and the normal data into a data format with supervised learning; the data comprise current, voltage and light intensity variables collected by the sensor, the categories of the current, voltage and light intensity variables are marked, and fault data are judged;
the data preprocessing module (72): preprocessing the extracted features, including data normalization, noise reduction processing and feature selection, so as to ensure the accuracy and consistency of the data;
the feature extraction module (73): extracting relevant features from the collected data; the characteristics comprise frequency domain characteristics, time domain characteristics and energy characteristics, and particularly comprise average current value, current fluctuation amplitude and voltage harmonic content;
the model deployment module (74) is electrically connected with a data training unit (741) and a data optimizing unit (742), and the data after preprocessing can be divided into a training set and a testing set through the data training unit (741) and the data optimizing unit (742); after the models and the extracted features are selected, the marked training data are used for training the models or algorithms, and after the training is finished, the trained models are deployed on an edge computing terminal (9) so as to analyze and predict new data in real time;
-said real-time processing module (75): when the data sensor collects new data, the edge computing terminal (9) immediately triggers the deployed model to perform real-time reasoning and processing; inputting new data into the model, and obtaining corresponding results or predictions;
the result output module (76): after the reasoning process is completed, corresponding output including fault alarm, abnormal alarm and fault type is generated according to the analysis result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310979170.8A CN116707437B (en) | 2023-08-04 | 2023-08-04 | Photovoltaic power station arc fault monitoring device based on edge calculation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310979170.8A CN116707437B (en) | 2023-08-04 | 2023-08-04 | Photovoltaic power station arc fault monitoring device based on edge calculation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116707437A CN116707437A (en) | 2023-09-05 |
| CN116707437B true CN116707437B (en) | 2023-10-13 |
Family
ID=87837856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310979170.8A Active CN116707437B (en) | 2023-08-04 | 2023-08-04 | Photovoltaic power station arc fault monitoring device based on edge calculation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116707437B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709854A (en) * | 2018-12-28 | 2019-05-03 | 苏州易助能源管理有限公司 | A kind of photovoltaic plant arc fault monitoring device and method based on edge calculations |
| CN109977624A (en) * | 2019-05-06 | 2019-07-05 | 上海交通大学 | Photovoltaic plant soft fault monitoring method based on deep neural network |
| CN110391783A (en) * | 2019-07-25 | 2019-10-29 | 国网电子商务有限公司 | Photovoltaic power station fault monitoring method and device based on edge calculations |
| CN112123084A (en) * | 2020-10-09 | 2020-12-25 | 宋庆忠 | Chamfering device for processing positive and negative pole pieces of lithium battery |
| CN212238299U (en) * | 2020-01-20 | 2020-12-29 | 陈虹萍 | Dust brushing device for plate processing |
| CN213950861U (en) * | 2020-11-06 | 2021-08-13 | 南通沃兰化工有限公司 | Waste water treatment discharging equipment is used in p toluene sulfonyl chloride production |
| CN215878951U (en) * | 2021-10-09 | 2022-02-22 | 无锡美之高精密机械制造有限公司 | Engine cylinder lid water jacket hole belt cleaning device |
| CN114777255A (en) * | 2022-06-16 | 2022-07-22 | 南通佳恒线缆材料有限公司 | Ventilation equipment for production workshop of plastic sheath of electric wire |
| CN115544140A (en) * | 2022-09-29 | 2022-12-30 | 优得新能源科技（宁波）有限公司 | Photovoltaic power station performance detection system and method based on artificial intelligence |
| CN115666038A (en) * | 2022-10-31 | 2023-01-31 | 郑州大学 | Equipment fault management device for enterprise management and use method thereof |
| CN115762307A (en) * | 2022-12-20 | 2023-03-07 | 洛阳理工学院 | Transformer demonstration equipment |
| CN116229032A (en) * | 2023-02-20 | 2023-06-06 | 宁国桑尼泰克精密铝制品有限公司 | On-line monitoring system for product production by using in-mold monitoring vision |
-
2023
- 2023-08-04 CN CN202310979170.8A patent/CN116707437B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709854A (en) * | 2018-12-28 | 2019-05-03 | 苏州易助能源管理有限公司 | A kind of photovoltaic plant arc fault monitoring device and method based on edge calculations |
| CN109977624A (en) * | 2019-05-06 | 2019-07-05 | 上海交通大学 | Photovoltaic plant soft fault monitoring method based on deep neural network |
| CN110391783A (en) * | 2019-07-25 | 2019-10-29 | 国网电子商务有限公司 | Photovoltaic power station fault monitoring method and device based on edge calculations |
| CN212238299U (en) * | 2020-01-20 | 2020-12-29 | 陈虹萍 | Dust brushing device for plate processing |
| CN112123084A (en) * | 2020-10-09 | 2020-12-25 | 宋庆忠 | Chamfering device for processing positive and negative pole pieces of lithium battery |
| CN213950861U (en) * | 2020-11-06 | 2021-08-13 | 南通沃兰化工有限公司 | Waste water treatment discharging equipment is used in p toluene sulfonyl chloride production |
| CN215878951U (en) * | 2021-10-09 | 2022-02-22 | 无锡美之高精密机械制造有限公司 | Engine cylinder lid water jacket hole belt cleaning device |
| CN114777255A (en) * | 2022-06-16 | 2022-07-22 | 南通佳恒线缆材料有限公司 | Ventilation equipment for production workshop of plastic sheath of electric wire |
| CN115544140A (en) * | 2022-09-29 | 2022-12-30 | 优得新能源科技（宁波）有限公司 | Photovoltaic power station performance detection system and method based on artificial intelligence |
| CN115666038A (en) * | 2022-10-31 | 2023-01-31 | 郑州大学 | Equipment fault management device for enterprise management and use method thereof |
| CN115762307A (en) * | 2022-12-20 | 2023-03-07 | 洛阳理工学院 | Transformer demonstration equipment |
| CN116229032A (en) * | 2023-02-20 | 2023-06-06 | 宁国桑尼泰克精密铝制品有限公司 | On-line monitoring system for product production by using in-mold monitoring vision |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116707437A (en) | 2023-09-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114465117A (en) | Remote monitoring intelligent power distribution cabinet and operation method thereof | |
| CN116707437B (en) | Photovoltaic power station arc fault monitoring device based on edge calculation | |
| CN112363029A (en) | Equipment corona discharge online monitoring system and monitoring method thereof | |
| CN117647280A (en) | Outdoor power equipment on-line monitoring acquisition system | |
| CN112054593A (en) | Power transformation management platform | |
| CN219802728U (en) | Electrical automation equipment control cabinet | |
| CN113629875A (en) | Intelligent monitoring system and switch cabinet | |
| CN212360042U (en) | Vibration monitoring equipment for wind turbine generator | |
| CN212543139U (en) | Dustproof device of new energy power station cabinet | |
| CN212932836U (en) | Novel ultrasonic diagnostic apparatus | |
| CN113422577B (en) | Intelligent operation maintenance equipment for photovoltaic power station | |
| CN220528332U (en) | Internet of things terminal for real-time monitoring and early warning of equipment | |
| CN213602973U (en) | Anti-electric-shock type temperature measuring device of intelligent monitoring box | |
| CN209843628U (en) | Pole-mounted circuit breaker with foreign matter monitoring mechanism | |
| CN215579769U (en) | Power transmission power distribution cabinet convenient to install | |
| CN218649070U (en) | Automatic fault detection instrument for metallurgical equipment | |
| CN214543175U (en) | Intelligent monitoring multi-path gathering distribution box based on cloud computing | |
| CN216670088U (en) | Be used for damp-proof type ammeter case of heat dissipation in pit | |
| CN220730350U (en) | Miniaturized multichannel voiceprint on-line monitoring device for switch cabinet | |
| CN217692150U (en) | Switch cabinet with self-checking function | |
| CN219892651U (en) | Weak current control cabinet without occupying space in cabinet to clean filter screen | |
| CN218732694U (en) | Good heat dissipation's electric automatization control box | |
| CN116246435B (en) | Alarm device on photovoltaic power generation equipment | |
| CN216852966U (en) | Atmospheric environment detects with heat dissipation rack | |
| CN210155243U (en) | Distribution lines fault monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |