CN116566039A - Power transmission line monitoring system and method based on cloud edge end cooperative sensing - Google Patents
Power transmission line monitoring system and method based on cloud edge end cooperative sensing Download PDFInfo
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- 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]
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- G06V20/00—Scenes; Scene-specific elements
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- G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
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- 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
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- 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
- H02J13/00006—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
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- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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Abstract
The invention discloses a power transmission line monitoring system and a method based on cloud side collaborative awareness, wherein the power transmission line monitoring system comprises a cloud server and at least one edge computing node connected with the cloud server, and the edge computing node is connected with awareness equipment; the sensing equipment monitors state information, image information and environment information of the power transmission line and transmits monitoring data to the edge computing node; the edge computing node pre-processes the monitoring data and performs preliminary data analysis to obtain a primary identification result, packages the primary identification result and the monitoring data and then sends the primary identification result and the monitoring data to the cloud server; according to the invention, panoramic sensing is carried out on state data, image data and environment data of the power transmission line through various sensing devices, and the edge side monitoring device is dynamically and real-time adjusted according to monitoring and early warning information, so that the monitoring frequency and range of the monitoring device are adjusted, and the monitoring efficiency is improved.
Description
Technical Field
The invention relates to the technical field of power transmission lines, in particular to a power transmission line monitoring system and method based on cloud edge end cooperative sensing.
Background
The method is characterized in that the intrinsic safety, state sensing, panoramic monitoring and operation and detection are five characteristics of a new generation transmission line, wherein the state sensing is a core foundation for realizing the intellectualization of the transmission line, the comprehensive means such as high-reliability monitoring and sensing technology, space-space three-dimensional monitoring, collaborative inspection and the like are applied, the state of a body and the environmental condition of a channel are controlled in real time, multi-source data are fused deeply, the active judgment of line faults, defects and hidden dangers is realized, and accurate evaluation is made according to actual conditions; panoramic monitoring is means for realizing panoramic monitoring of equipment states, channel conditions and personnel conditions, completing interconnection and intercommunication of basic data, monitoring data and operation data, and improving monitoring efficiency by utilizing artificial intelligence and big data analysis technology. Therefore, the overall improvement of the panoramic sensing capability of the transmission line is a key joint for overcoming the problem of the demonstration engineering construction of the new generation transmission line.
With the rapid development of the Internet of things and information communication technology, in recent years, the power transmission profession combines with the reality of the power transmission profession, the floor application of intelligent operation and detection equipment and state sensing devices is greatly enhanced, and the technologies such as unmanned aerial vehicle, visualization and state sensor bring huge vitality and vitality to the traditional power transmission operation and detection work. However, the panoramic state sensing and monitoring of the power transmission line also lacks a unified system framework, the external operation environment of the power transmission line is increasingly complex, the requirements of the whole society on the power supply reliability are continuously improved, and the technical capabilities of the existing comprehensive state sensing, information multi-source fusion and active power grid defense can not meet the requirements of intelligent power transmission line construction far away under the background that the internal professional management is more refined and beneficial. Therefore, the intelligent sensing equipment, the high-efficiency flexible intelligent operation and detection equipment, the cloud and fog collaborative big data analysis and other new devices and new technologies based on the Internet of things are deeply integrated with the traditional transmission operation and detection service, so that the intelligent, diversified and ecological transformation of the transmission operation and detection direction is realized, and the intelligent operation and detection device is a key place for intelligent transmission line construction.
In recent years, the scale of power transmission equipment of national network companies is increased by more than 5% in annual average, the length of a power transmission line for transporting 110 kilovolts and more is more than 100 ten thousand kilometers, the power transmission professional talent reserve is seriously insufficient, and the problem of structural absences is increasingly prominent; on the other hand, the overhead transmission line has wide points and multiple faces, the channel environment is complex, and particularly for important transmission lines and channels such as ultra-high voltage dense channels, the risk of causing large-area power failure accidents is still high due to long-term natural disasters and external damage influences such as lightning, mountain fires, icing galloping, geological landslide and the like. Therefore, it is needed to accelerate the construction of intelligent transmission operation and detection system with intelligent perception as the core, realize the transition from traditional manual operation to man-machine collaborative operation in business, realize the transition from passive disposal after the fact to active defense before the fact in technology, and realize the transition from gradual summarization under the line to intelligent visual on the line in management.
However, the accuracy, timeliness and reliability of the information acquisition modes of the traditional state monitoring and operation and maintenance means cannot meet the requirement of lean management of operation and detection work of the power transmission line, the improvement of panoramic perceptibility of the new generation power transmission line brings forward higher standards on the management standards, device reliability, evaluation accuracy and other aspects of the monitoring modes of each state of the power transmission, and further improvement of the quality of the intelligent power transmission line state monitoring lean data is needed, a power transmission line panoramic state evaluation model is established, and the construction and digital application of a multi-level full-scene networking platform are created.
Disclosure of Invention
The invention mainly solves the problems that the monitoring efficiency of the power transmission line is poor and feedback adjustment cannot be carried out in the prior art; the utility model provides a transmission line monitoring system based on cloud end cooperative sensing carries out panoramic sensing to transmission line state, carries out dynamic adjustment according to the perception information, improves monitoring efficiency and accuracy.
The technical problems of the invention are mainly solved by the following technical proposal: the power transmission line monitoring system based on cloud side collaborative awareness comprises a cloud server and at least one edge computing node connected with the cloud server, wherein the edge computing node is connected with awareness equipment; the sensing equipment monitors state information, image information and environment information of the power transmission line and transmits monitoring data to the edge computing node; the edge computing node pre-processes the monitoring data and performs preliminary data analysis to obtain a primary identification result, packages the primary identification result and the monitoring data and then sends the packaged primary identification result and the monitoring data to the cloud server; the cloud server refers to the primary identification result and then carries out secondary data analysis on the monitoring data to obtain a secondary identification result, and the secondary identification result is used as an identification result of the final power transmission line state; and the cloud server feeds back and adjusts the monitoring frequency and the monitoring range of the sensing equipment according to the secondary identification result.
Preferably, the edge computing node periodically sends a query signal to a cloud server, and the cloud server enters a data to-be-received state and reserves a storage area based on the query signal; the cloud server sends a feedback signal to the edge computing node, and the edge computing node packages the primary identification result and the monitoring data according to the feedback signal and sends the primary identification result and the monitoring data to the cloud server.
Preferably, the sensing device comprises a line sensing device for sensing the state of the power transmission line, a video sensing device for acquiring the image information of the power transmission line and an environment sensing device for acquiring the environment information of the power transmission line.
Preferably, the line sensing device comprises a vibration sensor, a tension sensor and a current transformer.
Preferably, the environment sensing sensor includes a temperature sensor, a humidity sensor, a wind speed sensor, a wind direction sensor, an atmospheric pressure sensor, and an illumination intensity sensor.
Preferably, the content of the query signal includes time information of data to be sent by the edge computing node, length information of data to be sent by the edge computing node, positioning information of the edge computing node and an initial encryption string.
Preferably, the content of the feedback signal includes device state information of the cloud server, a communication proof code, and an encryption key generated based on the initial encryption string; the edge computing node encrypts and packages the primary identification result and the monitoring data based on the encryption key to generate a communication data packet; the communication check list indicates the current communication network state.
Preferably, the edge computing node is provided with an information broadcasting module and a communication response module, when the target edge computing node does not receive the feedback signal within the waiting time after sending the query signal to the cloud server, the target edge computing node broadcasts information through the information broadcasting module, and the edge computing node in the communication area of the target edge computing node responds to the information and establishes a communication link.
Preferably, the edge computing node is provided with a verification module, when the target edge computing node establishes a communication link with the response edge computing node, the target edge computing node sends the primary identification result and the monitoring data to the response edge computing node, and the response edge computing node verifies the primary identification result and returns a verification result to the target edge computing node.
Preferably, the cloud server comprises a cloud computing center and a cloud storage unit, wherein the cloud computing center refers to the primary identification result and then performs secondary data analysis on the monitoring data to obtain a secondary identification result, and the cloud storage unit stores the primary identification result, the monitoring data and the secondary identification result.
Preferably, the cloud server further comprises a terminal device, wherein the terminal device displays a primary identification result when the edge computing node cannot communicate with the cloud server or the cloud server fails, and otherwise, the terminal device displays a secondary identification result.
The invention also provides a power transmission line monitoring method based on cloud edge end cooperative sensing, which comprises the following steps:
s1: acquiring state data, image data and environment data of a power transmission line;
s2: preprocessing state data of the power transmission line, and then carrying out data analysis to obtain a primary identification result;
s3: the edge computing node judges the communication state of the cloud server, when the communication is normal, the primary identification result, the state data of the power transmission line, the image data and the environment data are sent to the cloud server, the step S4 is carried out, when the communication is abnormal, the edge computing node carries out information broadcasting and verifies the primary identification result, and the step S5 is carried out;
s4: the cloud server performs data screening on state data, image data and environment data of the power transmission line according to the primary identification result and then performs data processing to obtain a secondary identification result;
s5: and the terminal equipment displays the primary identification result and the secondary identification result.
Preferably, the cloud server determines whether the line sensing device is in a risk state according to the environmental data, if so, increases the working frequency and the sensing range of the line sensing device, and if so, increases the period of the edge computing node sending the query signal.
The beneficial effects of the invention are as follows: (1) Panoramic sensing is carried out on state data, image data and environment data of the power transmission line through various sensing devices, dynamic real-time adjustment is carried out on the edge side monitoring device according to monitoring early warning information, the monitoring frequency and range of the monitoring device are adjusted, and the monitoring efficiency is improved; and setting an edge computing node, reducing operation pressure for the cloud server, and performing edge computing and result verification on monitoring data as an edge computing center when the cloud server or communication fails, so that the monitoring efficiency is improved, and the occurrence of events which cannot be monitored in place or in real time is prevented.
(2) Compared with the traditional fixed monitoring, the dynamic monitoring technology can better monitor and manage the running state of the equipment.
Drawings
Fig. 1 is a block diagram of a monitoring system according to an embodiment of the present invention.
Fig. 2 is a block diagram of an edge computing node of an embodiment of the present invention.
Fig. 3 is a block diagram of a cloud server according to an embodiment of the present invention.
Fig. 4 is a flow chart of a monitoring method according to an embodiment of the invention.
In the figure, 1, sensing equipment, 2, an edge computing node, 3, a cloud server, 4, an information broadcasting module, 5, an edge processing module, 6, a communication response module, 7, a verification module, 8, a cloud computing center, 9 and a cloud storage unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, further detailed description of the technical solutions in the embodiments of the present invention will be given by the following examples with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Examples: a power transmission line monitoring system based on cloud side end cooperative sensing is shown in fig. 1, and comprises sensing equipment 1, edge computing nodes 2 and a cloud server 3, wherein the edge computing nodes are arranged in a plurality of areas of the power transmission line and are distributed and arranged on the power transmission line or a power transmission tower, and the sensing devices are connected with the edge computing nodes.
The sensing equipment monitors state information, image information and environment information of the power transmission line and transmits monitoring data to the edge computing node; the edge computing node pre-processes the monitoring data and performs preliminary data analysis to obtain a primary identification result, packages the primary identification result and the monitoring data and then sends the primary identification result and the monitoring data to the cloud server; the cloud server refers to the primary identification result and then carries out secondary data analysis on the monitoring data to obtain a secondary identification result, and the secondary identification result is used as an identification result of the final power transmission line state; and the cloud server feeds back and adjusts the monitoring frequency and the monitoring range of the sensing equipment according to the secondary identification result.
Further, the edge computing node periodically sends a query signal to the cloud server, and the cloud server enters a data to-be-received state and reserves a storage area based on the query signal; the cloud server sends a feedback signal to the edge computing node, and the edge computing node packages the primary identification result and the monitoring data according to the feedback signal and sends the primary identification result and the monitoring data to the cloud server.
The content of the query signal comprises time information of data to be sent by the edge computing node, length information of the data to be sent by the edge computing node, positioning information of the edge computing node and an initial encryption character string; the content of the feedback signal comprises equipment state information of the cloud server, a communication check code and an encryption key generated based on the initial encryption character string; the edge computing node encrypts and packages the primary identification result and the monitoring data based on the encryption key to generate a communication data packet; the communication proof code represents the current communication network state.
As shown in fig. 3, the cloud server of the present invention includes a cloud computing center 8 and a cloud storage unit 9, where the cloud computing center refers to the primary identification result and then performs secondary data analysis on the monitored data to obtain a secondary identification result, and the cloud storage unit stores the primary identification result, the monitored data, and the secondary identification result.
Further, as shown in fig. 2, the edge computing node includes an edge processing module 5, an information broadcasting module 4, a communication response module 6 and a verification module 7, where the information broadcasting module, the communication response module and the verification module are all connected with the edge processing module.
When the target edge computing node does not receive a feedback signal within the waiting time after sending a query signal to the cloud server, the target edge computing node performs information broadcasting through an information broadcasting module, and the edge computing node in the communication area of the target edge computing node performs information response and establishes a communication link.
When the target edge computing node establishes a communication link with the response edge computing node, the target edge computing node sends the primary identification result and the monitoring data to the response edge computing node, and the response edge computing node verifies the primary identification result and returns a verification result to the target edge computing node.
After the target edge computing node and the response edge computing node verify the identification result, the communication link is disconnected, so that the communication resource is saved, and the cost is reduced.
Furthermore, in order to improve the panoramic sensing capability of the power transmission line, the sensing equipment comprises a line sensing device for sensing the state of the power transmission line, a video sensing device for acquiring the image information of the power transmission line and an environment sensing device for acquiring the environment information of the power transmission line.
The line sensing device comprises a vibration sensor, a tension sensor and a current transformer, wherein the vibration sensor is used for monitoring vibration information of a power transmission line, the vibration sensor is connected with the edge processing module, the tension sensor is used for monitoring tension change information of the power transmission line, the tension sensor is connected with the edge processing module, the current transformer is used for monitoring current information of the power transmission line, the current transformer is connected with the edge processing module, the vibration sensor, the tension sensor and the current transformer are all arranged on the power transmission line, and the vibration information of the power transmission line, the tension change information of the power transmission line and the current information of the power transmission line are state information of the power transmission line.
The video sensing device is an unmanned aerial vehicle, the unmanned aerial vehicle is provided with a high-definition camera, the high-definition camera is connected with the edge processing module, the unmanned aerial vehicle receives a patrol command of the edge processing module to carry out flight patrol on the power transmission line, and image information or video information along the way is transmitted to the edge processing module.
The environment sensing sensor comprises a temperature sensor, a humidity sensor, a wind speed sensor, a wind direction sensor, an atmospheric pressure sensor and an illumination intensity sensor, wherein the temperature sensor is used for monitoring peripheral temperature information of the power transmission line, the temperature sensor is connected with the edge processing module, the humidity sensor is used for monitoring peripheral humidity information of the power transmission line, the humidity sensor is connected with the edge processing module, the wind speed sensor is used for monitoring peripheral wind speed information of the power transmission line, the wind speed sensor is connected with the edge processing module, the wind direction sensor is used for monitoring peripheral wind direction information of the power transmission line, the wind direction sensor is connected with the edge processing module, the atmospheric pressure sensor is used for monitoring peripheral atmospheric pressure information of the power transmission line, the atmospheric pressure sensor is connected with the edge processing module, the illumination intensity sensor is used for monitoring peripheral illumination intensity information of the power transmission line, the illumination intensity sensor is connected with the edge processing module, and the peripheral temperature information of the power transmission line, the peripheral humidity information of the power transmission line, the peripheral wind speed information of the power transmission line, the peripheral wind direction information of the power transmission line, the peripheral atmospheric pressure information of the power transmission line and the peripheral illumination intensity information of the power transmission line are environmental information of the power transmission line.
The invention also provides the terminal equipment, when the edge computing node cannot communicate with the cloud server or the cloud server fails, the terminal equipment displays a primary identification result, otherwise, the terminal equipment displays a secondary identification result, and the terminal equipment only needs to display the identification result and gives an alarm prompt when the identification result is abnormal in the state of the power transmission line.
As shown in fig. 4, the invention further provides a power transmission line monitoring method based on cloud edge end cooperative sensing, which comprises the following steps:
s1: acquiring state data, image data and environment data of a power transmission line;
s2: preprocessing state data of the power transmission line, and then carrying out data analysis to obtain a primary identification result;
s3: the edge computing node judges the communication state of the cloud server, when the communication is normal, the primary identification result, the state data of the power transmission line, the image data and the environment data are sent to the cloud server, the step S4 is carried out, when the communication is abnormal, the edge computing node carries out information broadcasting and verifies the primary identification result, and the step S5 is carried out;
s4: the cloud server performs data screening on state data, image data and environment data of the power transmission line according to the primary identification result and then performs data processing to obtain a secondary identification result;
s5: and the terminal equipment displays the primary identification result and the secondary identification result.
The cloud server judges whether the line sensing device is in a risk state according to the environment data, if so, the working frequency and the sensing range of the line sensing device are increased, and if so, the period of sending the query signal by the edge computing node is increased.
When the edge computing node and the cloud server generate communication faults and the primary identification result is verified to be free of errors, the edge computing node carries out feedback adjustment on the sensing equipment, and the monitoring frequency and the monitoring range of the sensing equipment are adjusted.
When the verification result of the primary identification result is different, the response edge computing node performs information broadcasting through the information broadcasting module, a second response node is searched, the second response node performs data analysis on the monitoring data to obtain a verification identification result, if the verification identification result is the same as the identification result of the target edge computing node, the response edge computing node is subjected to fault processing, and the same verification result is fed back to the target edge computing node, if the verification identification result is the same as the response edge computing node, the edge processing module of the target edge computing node is subjected to algorithm fault processing, the monitoring data of sensing equipment connected with the target edge computing node is forwarded to the response edge computing node through the target edge computing node, the target edge computing node and the response edge computing node are in a real-time communication state, and a communication link is not disconnected.
The edge processing module and the cloud computing center have an information sharing mechanism, and meanwhile, the edge processing module can independently carry out computation processing on sensing equipment which is accessed to be managed nearby under the condition that the cloud computing center fails, and the edge computing node carries out adjustment on the adjacent sensing equipment according to edge side monitoring and early warning information under the conditions that an information channel is tense and special conditions, so that the information transmission time is saved, and the efficiency of equipment monitoring is improved.
The invention provides a dynamic feedback system which is different from the traditional and existing monitoring technologies in that the system can dynamically adjust the running state of monitoring equipment according to real-time monitoring and future early warning information, can efficiently and effectively sense and process power transmission equipment, can improve information transmission efficiency, and can save tense communication channel resources.
The invention provides a dynamic multidimensional monitoring and adjusting system for the safety state of a power transmission line based on cloud side collaborative awareness for the first time, the system utilizes multidimensional collaborative awareness information to monitor and early warn the safety state of the environment and the equipment body where power transmission equipment is located, stores the monitoring and early warning information and sends the monitoring and early warning information to terminal equipment of a transport and inspection department, and on the other hand, a cloud computing center adjusts the monitoring state of the side monitoring equipment according to the early warning information.
The method can overcome the defect that the system cannot be used after the central side calculates the fault in the traditional monitoring mode, and the edge calculation node provided by the invention can independently complete the processing analysis of the monitoring information of the edge equipment and issue a dynamic adjustment command to the edge equipment.
The above-described embodiment is only a preferred embodiment of the present invention, and is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
Claims (13)
1. Power transmission line monitoring system based on cloud side end cooperative sensing, which is characterized by comprising:
the cloud server and at least one edge computing node connected with the cloud server, wherein the edge computing node is connected with the sensing equipment; the sensing equipment monitors state information, image information and environment information of the power transmission line and transmits monitoring data to the edge computing node;
the edge computing node pre-processes the monitoring data and performs preliminary data analysis to obtain a primary identification result, packages the primary identification result and the monitoring data and then sends the packaged primary identification result and the monitoring data to the cloud server;
the cloud server refers to the primary identification result and then carries out secondary data analysis on the monitoring data to obtain a secondary identification result, and the secondary identification result is used as an identification result of the final power transmission line state;
and the cloud server feeds back and adjusts the monitoring frequency and the monitoring range of the sensing equipment according to the secondary identification result.
2. The power transmission line monitoring system based on cloud end cooperative sensing according to claim 1, wherein,
the edge computing node periodically sends a query signal to a cloud server, and the cloud server enters a data to-be-received state and reserves a storage area based on the query signal;
the cloud server sends a feedback signal to the edge computing node, and the edge computing node packages the primary identification result and the monitoring data according to the feedback signal and sends the primary identification result and the monitoring data to the cloud server.
3. The power transmission line monitoring system based on cloud end cooperative sensing according to claim 1, wherein,
the sensing equipment comprises a line sensing device for sensing the state of the power transmission line, a video sensing device for acquiring the image information of the power transmission line and an environment sensing device for acquiring the environment information of the power transmission line.
4. The power transmission line monitoring system based on cloud end cooperative sensing according to claim 3, wherein,
the line sensing device comprises a vibration sensor, a tension sensor and a current transformer.
5. The power transmission line monitoring system based on cloud end cooperative sensing according to claim 3 or 4, wherein,
the environment sensing sensor comprises a temperature sensor, a humidity sensor, a wind speed sensor, a wind direction sensor, an atmospheric pressure sensor and an illumination intensity sensor.
6. The power transmission line monitoring system based on cloud end cooperative sensing according to claim 2, wherein,
the content of the query signal comprises time information of data to be sent by the edge computing node, length information of the data to be sent by the edge computing node, positioning information of the edge computing node and an initial encryption character string.
7. The power transmission line monitoring system based on cloud end cooperative sensing as claimed in claim 6, wherein,
the content of the feedback signal comprises equipment state information of a cloud server, a communication check code and an encryption key generated based on the initial encryption character string;
the edge computing node encrypts and packages the primary identification result and the monitoring data based on the encryption key to generate a communication data packet;
the communication check list indicates the current communication network state.
8. The power transmission line monitoring system based on cloud end cooperative sensing according to claim 2, 6 or 7, wherein,
the edge computing node is provided with an information broadcasting module and a communication response module, when the target edge computing node does not receive a feedback signal within waiting time after sending a query signal to the cloud server, the target edge computing node broadcasts information through the information broadcasting module, and the edge computing node in a communication area of the target edge computing node responds information and establishes a communication link.
9. The power transmission line monitoring system based on cloud end cooperative sensing as claimed in claim 8, wherein,
the edge computing node is provided with a verification module, when the target edge computing node establishes a communication link with the response edge computing node, the target edge computing node sends primary identification results and monitoring data to the response edge computing node, and the response edge computing node verifies the primary identification results and returns verification results to the target edge computing node.
10. The power transmission line monitoring system based on cloud end cooperative sensing according to claim 1 or 2, wherein,
the cloud server comprises a cloud computing center and a cloud storage unit, wherein the cloud computing center refers to the primary identification result and then carries out secondary data analysis on the monitoring data to obtain a secondary identification result, and the cloud storage unit stores the primary identification result, the monitoring data and the secondary identification result.
11. The power transmission line monitoring system based on cloud end cooperative sensing according to claim 1 or 2, wherein,
the cloud server comprises edge computing nodes, and is characterized by further comprising terminal equipment, wherein the terminal equipment displays a primary identification result when the edge computing nodes cannot communicate with the cloud server or the cloud server fails, otherwise, the terminal equipment displays a secondary identification result.
12. A power transmission line monitoring method based on cloud edge end cooperative sensing, which is suitable for the power transmission line monitoring system based on cloud edge end cooperative sensing as claimed in any one of claims 1 to 11, and is characterized by comprising the following steps:
s1: acquiring state data, image data and environment data of a power transmission line;
s2: preprocessing state data of the power transmission line, and then carrying out data analysis to obtain a primary identification result;
s3: the edge computing node judges the communication state of the cloud server, when the communication is normal, the primary identification result, the state data of the power transmission line, the image data and the environment data are sent to the cloud server, the step S4 is carried out, when the communication is abnormal, the edge computing node carries out information broadcasting and verifies the primary identification result, and the step S5 is carried out;
s4: the cloud server performs data screening on state data, image data and environment data of the power transmission line according to the primary identification result and then performs data processing to obtain a secondary identification result;
s5: and the terminal equipment displays the primary identification result and the secondary identification result.
13. The method for monitoring the power transmission line based on the cloud end cooperative sensing according to claim 12, wherein,
and the cloud server judges whether the line sensing device is in a risk state according to the environment data, if so, the working frequency and the sensing range of the line sensing device are increased, and if so, the period of sending the query signal by the edge computing node is increased.
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