CN114500613A - Online monitoring Internet of things system for power grid - Google Patents
Online monitoring Internet of things system for power grid Download PDFInfo
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- CN114500613A CN114500613A CN202210356348.9A CN202210356348A CN114500613A CN 114500613 A CN114500613 A CN 114500613A CN 202210356348 A CN202210356348 A CN 202210356348A CN 114500613 A CN114500613 A CN 114500613A
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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
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y10/00—Economic sectors
- G16Y10/35—Utilities, e.g. electricity, gas or water
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y30/00—IoT infrastructure
- G16Y30/10—Security thereof
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- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y40/00—IoT characterised by the purpose of the information processing
- G16Y40/50—Safety; Security of things, users, data or systems
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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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- 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
- H02J13/00006—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
- H02J13/00016—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 using a wired telecommunication network or a data transmission bus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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Abstract
The invention relates to a power grid online monitoring internet of things system, which comprises: the system comprises an ad hoc network consisting of a plurality of intercommunicating online monitoring terminals, wherein each online monitoring terminal is arranged at each node to be monitored of the power transmission line and is used for acquiring the operation data of the power transmission line; the gateway is in communication connection with edge nodes in the ad hoc network within a communication range, the edge nodes are the first N online monitoring terminals in the ad hoc network, the communication signal strength of the first N online monitoring terminals and the communication signal strength of the first N online monitoring terminals are ranked from high to low, and N is a positive integer greater than or equal to 1; and the Internet of things platform is in communication connection with the gateway. By integrating the edge AI through the online monitoring terminal, the edge node is confirmed and accessed based on the communication strength with the gateway by using an edge calculation method, and based on data transmission performed under the communication framework, ultrahigh-speed, large-concurrency and ultralow-delay transmission in the data monitoring process of the power transmission line can be realized, so that the monitoring efficiency is ensured. And the response speed of the power transmission line when the defect obstacle occurs can be further improved.
Description
Technical Field
The invention relates to the technical field of on-line monitoring of power transmission lines, in particular to an on-line monitoring internet of things system for a power grid.
Background
The power grid system bears and transports various electric energy which meets the daily production and living needs of people, ensures the production requirements of various industries and promotes the development of social economy. However, the traditional mode that supervision personnel arrive at the scene is adopted in the management and control of present transmission line, and whole working process is wasted time and energy, and personnel and material resources consume is great, hardly in time carries out real-time, effectual management and control to all projects.
Disclosure of Invention
Aiming at the problem of low efficiency in the conventional technology based on manual supervision, it is necessary to provide a power grid online monitoring internet of things system capable of intelligently monitoring the operation condition of a power transmission line, which includes:
the system comprises an ad hoc network consisting of a plurality of intercommunicating online monitoring terminals, wherein each online monitoring terminal is arranged at each node to be monitored of the power transmission line and is used for acquiring the operation data of the power transmission line;
the gateway is in communication connection with edge nodes in the ad hoc network within a communication range, the edge nodes are the first N online monitoring terminals in the ad hoc network, the communication signal strength of the ad hoc network and the communication signal strength of the gateway are ranked from high to low, and N is a positive integer greater than or equal to 1;
and the Internet of things platform is in communication connection with the gateway.
In one embodiment, the online monitoring terminals in different levels, which are in communication connection with each ad hoc network, transmit the collected power transmission line operation data to the edge node step by step.
In one embodiment, the online monitoring terminal is used for processing the collected power transmission line operation data based on an obstacle identification model to obtain power transmission line defect hidden danger identification result data.
In one embodiment, the online monitoring terminals comprise an inventory online monitoring terminal and an increment online monitoring terminal;
the online stock monitoring terminal comprises a first shell, a first sensor arranged in the first shell and a first data acquisition module connected with the first sensor through a through hole in the side wall of the first shell;
the increment online monitoring terminal comprises a second shell, a second sensor and a second data acquisition module, wherein the second sensor and the second data acquisition module are integrated in the second shell and are connected with each other.
In one embodiment, the online monitoring terminals adopt a preset data encryption and decryption algorithm for data transmission.
In one embodiment, the online monitoring terminals are connected in a wired communication mode.
In one embodiment, the training process of the obstacle identification model in each online monitoring terminal includes:
the online monitoring terminal trains based on the collected transmission line operation historical data and the network model to be trained until the transmission line operation historical data is input into the trained network model to obtain transmission line defect hidden danger identification result data which is matched with the actual situation of the transmission line defect hidden danger;
and the on-line monitoring terminal takes the trained network model as the obstacle recognition model.
In one embodiment, each two online monitoring terminals communicate with each other in the ad hoc network, wherein the remote online monitoring terminal uploads the transmission line operation data acquired by the remote online monitoring terminal to the near online monitoring terminal.
In one embodiment, the internet of things platform is in encrypted communication with the gateway.
In one embodiment, the internet of things platform comprises a display and a processor, wherein the processor is connected with the gateway, and the processor is further connected with the display.
The online power grid monitoring internet of things system at least has the following beneficial effects: the plurality of online monitoring terminals are communicated with one another to form an ad hoc network, and each online monitoring terminal is arranged at each node to be monitored of the power transmission line and collects the operation data of the power transmission line corresponding to the corresponding monitoring node. The first N online monitoring terminals in the ad hoc network, which are ranked from high to low in communication signal strength, serve as edge nodes, establish directional communication with the gateway, and upload data, such as the collected power transmission line operation data, to the Internet of things platform through the gateway. By integrating edge AI (Artificial Intelligence) with an online monitoring terminal, confirming edge nodes and accessing the edge nodes based on the communication strength with a gateway by using an edge calculation method, and based on data transmission performed under the communication framework, ultrahigh-speed, large-concurrency and ultralow-delay transmission in the data monitoring process of a power transmission line can be realized, so that the monitoring efficiency is ensured. And the response speed of the power transmission line when the defect obstacle occurs can be further improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an online monitoring internet of things system of a power grid in an embodiment;
FIG. 2 is a schematic diagram of an embodiment of an on-line inventory monitoring terminal;
fig. 3 is a schematic structural diagram of an incremental online monitoring terminal in one embodiment.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. For example, a first resistance may be referred to as a second resistance, and similarly, a second resistance may be referred to as a first resistance, without departing from the scope of the present application. The first resistance and the second resistance are both resistances, but they are not the same resistance.
It is to be understood that "connection" in the following embodiments is to be understood as "electrical connection", "communication connection", and the like if the connected circuits, modules, units, and the like have communication of electrical signals or data with each other.
As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof. Also, as used in this specification, the term "and/or" includes any and all combinations of the associated listed items.
At present, various online monitoring terminal devices of a power transmission line are large in quantity and various in types, and the problems of insufficient terminal access management support, difficulty in business data circulation sharing, poor field source end data acquisition capability and the like generally exist.
In order to solve the above problem, an embodiment of the present application provides an online monitoring internet of things system for a power grid, as shown in fig. 1, including: the system comprises an ad hoc network consisting of a plurality of intercommunicating online monitoring terminals 20, wherein each online monitoring terminal 20 is arranged at each node to be monitored of the power transmission line, and the online monitoring terminals 20 are used for collecting the operation data of the power transmission line; the gateway 40 is in communication connection with edge nodes in the ad hoc network within a communication range, the edge nodes are the first N online monitoring terminals 20 in the ad hoc network, the communication signal strength of the first N online monitoring terminals and the communication signal strength of the gateway 40 are ranked from high to low, and N is a positive integer greater than or equal to 1; and the Internet of things platform 60 is in communication connection with the gateway 40. The edge node is the online monitoring terminal 20 which directly communicates with the gateway 40, and the rest of the online monitoring terminals 20 realize communication step by step through communication in the ad hoc network, establish a communication link with the edge node, and realize uploading of data collected by each online monitoring terminal 20.
Specifically, the plurality of online monitoring terminals 20 communicate with each other to form an ad hoc network, and each online monitoring terminal 20 is disposed at each node to be monitored of the power transmission line, and collects the operation data of the power transmission line corresponding to the corresponding monitoring node. The online monitoring terminal 20 in the ad hoc network, which has a communication signal strength greater than a preset strength with the gateway 40, is used as an edge node to establish directional communication with the gateway 40, and upload data, such as the collected power transmission line operation data, to the internet of things platform 60 through the gateway 40. By integrating the edge AI with the online monitoring terminal 20, the edge node is confirmed and accessed based on the communication strength with the gateway 40 by using the edge calculation method, and based on the data transmission performed under the communication architecture, the ultra-high speed, large concurrency and ultra-low delay transmission in the data monitoring process of the power transmission line can be realized, thereby ensuring the monitoring efficiency. And the response speed of the power transmission line when the defect obstacle occurs can be further improved.
In one embodiment, each of the on-line monitoring terminals 20 may communicate with the gateway 40 through the on-line monitoring terminal 20 with the strongest communication signal with the gateway 40, and upload data to the internet of things platform 60 or download instructions from the internet of things platform 60, so as to implement bidirectional communication connection. For example, online detection terminals are sequentially arranged on towers arranged in a stepwise manner one by one, so that the online monitoring terminals 20 on the tower in the line on one power transmission line can form an ad hoc network, the gateway 40 is arranged in a substation, then the tower closest to the substation among the online monitoring terminals 20 is an edge node, and the online monitoring terminals 20 arranged at other towers upload acquired data to the edge node step by step, and the edge node uploads the data to the internet of things platform 60 through the gateway 40.
In one embodiment, the online monitoring terminals 20 at different levels, which are in communication connection with each ad hoc network, transmit the collected power transmission line operation data to the edge node step by step. Through the data acquisition module in the on-line monitoring terminal 20, utilize the communication function of this data acquisition module, realize that each on-line monitoring terminal 20 encrypts the transmission in the ad hoc network, take on-line monitoring terminal 20 to set up under the application scene of each shaft tower as an example, can be according to the far and near of shaft tower and transformer substation, from far to near on-line monitoring terminal 20 exports the data of gathering to gateway 40 step by step, no signal is from the ad hoc network transmission data to having signal gateway 40, a gateway 40 can be associated a plurality of on-line monitoring terminals 20, gather the data in unison and encrypt the transmission to thing networking platform 60, realize that equipment low-power consumption is miniaturized, the monitoring of no signal area covers. The step-by-step upward may mean that the data of each online monitoring device with the communication intensity of the gateway 40 sorted from weak to strong is uploaded to the online monitoring device with the communication intensity of one level higher.
With the development and improvement of the power grid structure, the construction of the power line is rapidly developed. Due to the geographical location of the power line and the particularities of the environmental conditions: the tower points are many, the area is wide, the line length, the line corridor environment is complex, the tower is exposed in the field all the year round, and the like, and besides the tower is attacked by severe natural weather, the probability of line tripping and line forced power failure accidents caused by external force damage of human factors is also in an increasing trend. Therefore, how to find the line fault in time, accurately position the fault position, reduce the difficulty and cost of manual troubleshooting, shorten the fault finding time, and improve the power supply safety and reliability becomes a problem which is urgently needed to be solved by a line management and maintenance unit.
Based on this, in one embodiment, the online monitoring terminal 20 is configured to process the collected power transmission line operation data based on an obstacle identification model to obtain power transmission line defect and hidden danger identification result data.
Based on the deep learning technology, the operation data of the power transmission line sampled by the online monitoring terminal 20 is collected, and the data types may include voltage, current, power, tower images (used for monitoring whether obstacles such as bird nests are erected on the tower), and the like.
For example, by taking bird nest identification on a tower as an example, a network model can be trained based on tower image samples collected historically until an obstacle identification result obtained by the trained model based on an input tower image is consistent with an actual situation, and the trained network model is used as an obstacle identification model corresponding to the current online monitoring terminal 20, so that the online monitoring terminal 20 can automatically identify obstacle defects in a subsequent working process, the obstacle identification can be directly realized on the ad hoc network side, the computing capacity of the internet of things platform 60 is not excessively occupied, the identification of the hidden troubles of the defects of the power transmission line at the local equipment end is realized, and the response speed of the hidden troubles of the defects of the power transmission line is increased.
In addition, the online monitoring terminals 20 installed on the transmission line at the present stage have various manufacturers, different data standards and large quantity, and cannot be directly connected to the internet of things platform 60. Therefore, in one embodiment, the on-line monitoring terminal 20 includes an inventory on-line monitoring terminal 22 and an incremental on-line monitoring terminal 24. The on-line stock monitoring terminal 22 is a data acquisition module separately installed outside the electric meter instruments already installed on the transmission line, and the data of the electric meter instruments is uploaded by using the communication function of the data acquisition module. The incremental online monitoring terminal 24 refers to a newly developed electric meter instrument which is integrated with a data acquisition module. As shown in fig. 2, the on-line inventory monitoring terminal 22 includes a first housing 222, a first sensor 224 disposed in the first housing 222, and a first data acquisition module 226 connected to the first sensor 224 through a through hole in a sidewall of the first housing 222. The improvement of the traditional sensor is realized by additionally arranging a first data acquisition module 226 on the first shell 222, and the integration of old network monitoring into an internet of things platform is realized by low-cost modification. As shown in fig. 3, the incremental online monitoring terminal 24 includes a second housing 242, a second sensor 244 integrated in the second housing 242 and connected to each other, and a second data acquisition module 246. By providing a sensor and data collection module integrated into the second housing 242, a smaller and longer-lived smart meter may be provided for monitoring the operating conditions of the transmission line. The second sensor 244 and the second data acquisition module 246 may be integrated on one circuit board to further reduce the device volume and cost.
The first sensor 224 and the second sensor 244 may be selected as sensors appropriate for the situation according to the situation in which they are installed. The corresponding data acquisition module can be adapted according to the type of data acquired by the selected sensor.
According to the power grid online monitoring internet of things system provided by the embodiment of the application, the internet of things access of stock equipment is realized by utilizing the first data acquisition module 226, the research of the increment online monitoring terminal 24 is developed by depending on the multisource small and micro sensing fusion capability through research, the intelligent integration, control, management and data uploading of various sensing equipment are realized, and the scheme that monitoring data of an old network and new network are merged into an internet of things platform at low cost is realized. Through the research of intelligent thing allies oneself with sensing technology such as the integrated AI edge calculation of on-line monitoring terminal 20 side and on-line monitoring intelligent thing allies oneself with the technique, realize the unification, integrate, lightweight, the intellectuality of transmission line on-line monitoring thing allies oneself with the system. And a low-power-consumption miniaturized sensing terminal is deployed in the ad hoc network communication internet of things gateway 40, so that monitoring coverage of a signal-free area is realized.
In one embodiment, the online monitoring terminals 20 perform data transmission by using a preset data encryption and decryption algorithm. The preset data encryption and decryption algorithm may be an AES encryption algorithm, and an algorithm that uses a public key and a private key in cooperation may also be used, which is not exhaustive here. Data transmission is realized by adopting an encryption algorithm, and the information security of the monitoring internet of things system is improved.
In one embodiment, the on-line monitoring terminals 20 are connected in a wired communication manner. The on-line monitoring terminal 20 in the area without signal coverage can realize communication connection through wired networking, and communicate with the gateway 40 through the on-line monitoring terminal 20 closest to the gateway 40.
In one embodiment, the training process of the obstacle identification model in each online monitoring terminal 20 includes:
the online monitoring terminal 20 trains based on the collected transmission line operation historical data and the network model to be trained until the transmission line operation historical data is input into the trained network model to obtain transmission line defect hidden danger identification result data which is matched with the actual situation of the transmission line defect hidden danger;
the on-line monitoring terminal 20 uses the trained network model as the obstacle recognition model.
Through a deep learning scheme, a network model to be trained is trained on the side where each online monitoring terminal 20 is located, and an obstacle recognition model matched with the type of data collected by the online monitoring terminal is trained.
For example, the online detection terminal arranged on the tower is a camera, the camera collects images of an area where the tower is located, the image samples are used as historical data and can be used for model training, and under the tower situation, a user is more concerned about whether hidden dangers of the power transmission line caused by obstacles such as bird nests and kites exist, so that when the online monitoring terminal 20 arranged on the tower conducts model training, the iterative training of the network model can be conducted through whether the obstacle recognition result obtained based on the model is consistent with the actual situation or not, and the model meeting the monitoring requirement of the online monitoring terminal 20 arranged on the tower is finally trained.
In one embodiment, each two online monitoring terminals communicate with each other in the ad hoc network, wherein the remote online monitoring terminal uploads the transmission line operation data acquired by the remote online monitoring terminal to the near online monitoring terminal. The far end refers to one of the two on-line monitoring terminals which is relatively far away from the gateway. The near end refers to one of the two online monitoring terminals which is relatively close to the gateway. Far and near here refers to far and near in the communication distance dimension.
In one embodiment, the internet of things platform 60 and the gateway 40 perform encrypted communication to ensure the security of data uploading and downloading.
In one embodiment, the internet of things platform 60 includes a display and a processor, the processor is connected to the gateway 40, and the processor is further connected to the display. The internet of things platform 60 with the display function can be provided, so that power grid workers can conveniently check data uploaded by the online monitoring terminal 20 in real time.
Considering the huge number of the online monitoring terminals 20 in the power grid system, the online monitoring terminals 20 are further configured to upload position data of their own locations, and the internet of things platform 60 is further configured to identify the positions of the monitoring points on a digital map according to the position data and the digital map of the jurisdiction area by using the position data as a corresponding relationship, and display data collected by the online monitoring terminals 20 of the monitoring points when the user mouse moves to the position of a certain monitoring point.
In the description herein, references to the description of "some embodiments," "other embodiments," "desired embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic description of the above terminology may not necessarily refer to the same embodiment or example.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (10)
1. The utility model provides a power grid on-line monitoring thing allies oneself with system which characterized in that includes:
the system comprises an ad hoc network consisting of a plurality of intercommunicating online monitoring terminals, wherein each online monitoring terminal is arranged at each node to be monitored of the power transmission line and is used for acquiring the operation data of the power transmission line;
the gateway is in communication connection with edge nodes in the ad hoc network within a communication range, the edge nodes are the first N online monitoring terminals in the ad hoc network, the communication signal strength of the edge nodes and the gateway is sequenced from high to low, and N is a positive integer greater than or equal to 1;
and the Internet of things platform is in communication connection with the gateway.
2. The power grid online monitoring internet of things system according to claim 1, wherein the online monitoring terminals of different levels in communication connection in each ad hoc network gradually and upwards transmit the collected power transmission line operation data to the edge node.
3. The power grid online monitoring internet of things system according to claim 1, wherein the online monitoring terminal is configured to process the collected power transmission line operation data based on an obstacle recognition model to obtain power transmission line defect and hidden danger recognition result data.
4. The online power grid monitoring and internet of things system according to claim 1, wherein the online monitoring terminals comprise an online stock monitoring terminal and an online increment monitoring terminal;
the online stock monitoring terminal comprises a first shell, a first sensor arranged in the first shell and a first data acquisition module connected with the first sensor through a through hole in the side wall of the first shell;
the increment online monitoring terminal comprises a second shell, a second sensor and a second data acquisition module, wherein the second sensor and the second data acquisition module are integrated in the second shell and are connected with each other.
5. The power grid online monitoring internet of things system according to claim 1, wherein data transmission is performed between the online monitoring terminals by adopting a preset data encryption and decryption algorithm.
6. The online power grid monitoring internet of things system according to claim 1, wherein the online monitoring terminals are connected in a wired communication manner.
7. The system of claim 1, wherein the training process of the obstacle recognition model in each online monitoring terminal comprises:
the online monitoring terminal trains based on the transmission line operation historical data acquired by the online monitoring terminal and the network model to be trained until the transmission line operation historical data is input into the trained network model to obtain transmission line defect hidden danger identification result data which is matched with the actual condition of the transmission line defect hidden danger;
and the on-line monitoring terminal takes the trained network model as the obstacle recognition model.
8. The system of claim 1, wherein the ad hoc network comprises two on-line monitoring terminals for communication, and the on-line monitoring terminal at the far end uploads the collected transmission line operation data to the on-line monitoring terminal at the near end.
9. The power grid online monitoring internet of things system of claim 1, wherein the internet of things platform is in encrypted communication with the gateway.
10. The power grid online monitoring internet of things system of claim 1, wherein the internet of things platform comprises a display and a processor, the processor is connected with the gateway, and the processor is further connected with the display.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116054414A (en) * | 2023-03-06 | 2023-05-02 | 广东电网有限责任公司佛山供电局 | Line defect hidden danger monitoring method, device, computer equipment and storage medium |
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