Radio frequency chain networking communication method and system for high voltage overhead transmission line sensors

The initial network is formed through the RF chain networking communication method and connected to 4G or wired network, which solves the problem of unreal-time monitoring of transmission lines in remote areas, and realizes efficient and low-cost communication, reduces server pressure, and improves network stability.

CN114205768BActive Publication Date: 2025-03-14ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1
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Patent Information

Application Number
CN202111402253.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-11-19
Publication Date
2025-03-14
Estimated Expiration
2041-11-19

AI Technical Summary

Technical Problem

The existing 4G public network has incomplete network coverage in remote mountainous areas and other areas, high operating costs, and brings huge communication pressure to the server, resulting in the inability to monitor the status of high-voltage overhead transmission lines in real time.

Method used

The RF chain network communication method is adopted to form the sensor nodes into the initial network, and access the server with the 4G network or wired network through key nodes, configure routing algorithms to optimize network communication, and dynamically adjust the network structure to meet actual needs.

Benefits of technology

Real-time monitoring of power transmission lines in remote areas is realized, which reduces operation and maintenance costs, reduces communication pressure on servers, and improves communication efficiency and network stability through adaptive network structure and routing algorithms.

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Abstract

The present disclosure provides a radio frequency chain networking communication method and system for sensors of high-voltage overhead transmission lines, including determining key nodes according to the sensor node's own information, adding adjacent nodes of the key nodes to the network as first-level nodes, setting adjacent nodes of the first-level nodes as second-level nodes, and so on, to form an initial network; configuring a routing algorithm for the initial network according to the remaining power of the nodes, the signal strength value, and the number of forwarding times between the nodes; deleting or adding sensor nodes according to the needs of the actual operation process of the network to complete network communication; the present disclosure uses radio frequency communication networking between a large number of sensors, and sets key nodes to be converted to 4G network or wired network access servers.
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Description

Technical Field

[0001] The present invention belongs to the technical field of sensor networking communication, and in particular relates to a radio frequency chain networking communication method and system for high-voltage overhead power transmission line sensors. Background Art

[0002] The statements in this section merely provide background information related to the present disclosure and do not necessarily constitute prior art.

[0003] The most widely used wireless communication method is the 4G public network, but the following problems exist when using the 4G public network:

[0004] 1. The network coverage is incomplete, and there is no public network signal in some remote mountainous areas and uninhabited areas.

[0005] 2. The operating cost is relatively high.

[0006] 3. Due to too many access points, the server is under enormous communication pressure.

[0007] Therefore, for power transmission lines in remote mountainous areas where public network signals are poor or non-existent, it is impossible to monitor the line status in real time. Summary of the invention

[0008] In order to solve the above problems, the present disclosure proposes a radio frequency chain networking communication method and system for high-voltage overhead transmission line sensors. The present disclosure uses radio frequency communication networking between a large number of sensors, and sets key nodes to be converted to 4G network or wired network access servers.

[0009] According to some embodiments, a first solution of the present disclosure provides a radio frequency chain networking communication method for high-voltage overhead transmission line sensors, which adopts the following technical solutions:

[0010] A radio frequency chain networking communication method for high-voltage overhead transmission line sensors

[0011] Determine the key nodes according to the sensor node's own information, add the key nodes' adjacent nodes to the network as first-level nodes, set the first-level nodes' adjacent nodes as second-level nodes, and so on, to form an initial network;

[0012] Configure a routing algorithm for the initial network based on the remaining power of the nodes, the signal strength value, and the number of forwarding times between nodes;

[0013] Delete or add sensor nodes according to the actual needs of the network operation process to complete network communication.

[0014] According to some embodiments, a second solution of the present disclosure provides a high-voltage overhead power transmission line sensor radio frequency chain networking communication system, which adopts the following technical solution:

[0015] A radio frequency chain networking communication system for high-voltage overhead power transmission line sensors, comprising:

[0016] The initial network building module is configured to determine the key nodes according to the sensor node's own information, add the adjacent nodes of the key nodes to the network as first-level nodes, set the adjacent nodes of the first-level nodes as second-level nodes, and so on, to form the initial network;

[0017] A routing configuration module is configured to configure a routing algorithm for an initial network according to a remaining power of a node, a signal strength value, and a forwarding number between nodes;

[0018] The network update module is configured to delete or add sensor nodes according to the actual operation process of the network to complete the network communication

[0019] According to some embodiments, a third aspect of the present disclosure provides a non-volatile readable storage medium.

[0020] A non-volatile readable storage medium stores an executable program thereon, which, when executed by a processor, implements the steps in a radio frequency chain networking communication method for high-voltage overhead power transmission line sensors as described in the first aspect above.

[0021] According to some embodiments, a fourth aspect of the present disclosure provides an electronic device.

[0022] An electronic device comprises a memory, a processor and an executable program stored in the memory and runnable on the processor, wherein when the processor executes the program, the steps in the radio frequency chain networking communication method for high-voltage overhead transmission line sensors as described in the first aspect above are implemented.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] The present invention realizes networking communication for power transmission lines in areas such as remote mountainous areas where public network signals are poor or non-existent, thereby achieving the purpose of real-time monitoring of line status.

[0025] When the system implemented by the method disclosed in the present invention is actually running, it is not necessary to pay high communication fees to operators, thus reducing operation and maintenance costs. Since data is centralized, the number of devices connected to the server at the same time is greatly reduced, thus reducing the communication pressure on the server.

[0026] The network building module disclosed in the present invention can dynamically establish the topology structure through learning, and master the network capacity and the communication performance of all nodes in the network. The routing algorithm module selects the best solution suitable for the current communication through different levels of criteria, balances the energy consumption of all nodes, and maximizes the communication efficiency. The node addition and deletion module ensures the stable operation of the network and has good self-healing performance; when individual nodes work abnormally, it does not affect the normal communication of the entire network. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings constituting a part of the present disclosure are used to provide a further understanding of the present disclosure. The illustrative embodiments of the present disclosure and their descriptions are used to explain the present disclosure and do not constitute an improper limitation on the present disclosure.

[0028] Figure 1 is a flow chart of a radio frequency chain networking communication method for high-voltage overhead power transmission line sensors in an embodiment of the present disclosure;

[0029] Figure 2 is a flow chart of initial network formation in an embodiment of the present disclosure;

[0030] Figure 3 is a flow chart of adding sensor nodes in an embodiment of the present disclosure;

[0031] Figure 4 is a flowchart of deleting a sensor node in an embodiment of the present disclosure;

[0032] Figure 5 It is a flowchart of an initial network configuration routing algorithm in an embodiment of the present disclosure. DETAILED DESCRIPTION

[0033] The present disclosure is further described below in conjunction with the accompanying drawings and embodiments.

[0034] It should be noted that the following detailed descriptions are all illustrative and are intended to provide further explanation of the present disclosure. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present disclosure belongs.

[0035] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present disclosure. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprising" and / or "including" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0036] In the absence of conflict, the embodiments in the present disclosure and the features in the embodiments may be combined with each other.

[0037] Embodiment 1

[0038] like Figure 1 As shown, this embodiment provides a radio frequency chain networking communication method for high-voltage overhead transmission line sensors. This embodiment uses the method applied to a server as an example for illustration. It can be understood that the method can also be applied to a terminal, and can also be applied to a terminal, a server, and a system, and is implemented through the interaction between the terminal and the server. The server can be an independent physical server, or a server cluster or a distributed system composed of multiple physical servers, or a cloud server that provides basic cloud computing services such as cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network servers, cloud communications, middleware services, domain name services, security services CDN, and big data and artificial intelligence platforms. The terminal can be a smart phone, a tablet computer, a laptop computer, a desktop computer, a smart speaker, a smart watch, etc., but is not limited thereto. The terminal and the server can be directly or indirectly connected via wired or wireless communication, and the present disclosure is not limited here.

[0039] The sensor node described in this embodiment is the main body of this algorithm. It at least includes a memory, a processor, and a radio frequency transceiver, and has radio frequency transmission and reception functions. A set of Boolean variable parameters are retained in the memory, whether it is a key node, whether it is connected to the network, and whether it is a newly added node.

[0040] Nodes with integrated 4G / ETH telemetry functions are fixed as key nodes. They have the highest authority in the network and all server data must be forwarded. After any node is powered on, it is not connected to the network and becomes connected to the network after completing topology discovery.

[0041] The sensor uses CT power supply, which is safe and reliable, and the whole machine has low power consumption design. The sensor data is the data to be tested.

[0042] The memory stores routing information to facilitate rapid networking. The RF module, also known as the RF transceiver, provides data link layer services.

[0043] For the working process of the sensor node described in this embodiment, the software includes the following three-layer structure:

[0044] The network layer includes routing algorithms. Once the network topology is established, data packets select distribution paths according to the routing algorithms.

[0045] The transport layer manages the connection information between adjacent sensors and determines how data packets are processed.

[0046] The application layer provides API interfaces for advanced applications to achieve data intercommunication between sensors.

[0047] In this embodiment, the method includes the following steps:

[0048] Step S1: Determine the key nodes according to the sensor node's own information, add the adjacent nodes of the key nodes to the network as first-level nodes, set the adjacent nodes of the first-level nodes as second-level nodes, and so on, to form an initial network;

[0049] Step S2: configuring a routing algorithm for the initial network according to the remaining power of the nodes, the signal strength value, and the number of forwarding times between the nodes;

[0050] Step S3: Delete or add sensor nodes according to the actual needs of the network operation process to complete the network communication.

[0051] After all sensor nodes are powered on, they are not connected to the network and send their information at random periods. Each sensor can find its adjacent nodes and estimate the distance to the corresponding node based on the RF signal RSSI.

[0052] The initial network is formed by key nodes. Subsequently, the key nodes define their adjacent nodes as level 1 nodes and join the network. All level 1 nodes designate their adjacent nodes that are not connected to the network as level 2 nodes and join the network. This process is repeated in turn until all nodes are added to the network and the network topology is constructed.

[0053] Wherein, in step S1, the forming of the initial network includes:

[0054] Step S11: The sensor node publishes self-confidence information, and then proceeds to step S12.

[0055] Step S12: Determine whether the sensor node is a key node based on the sensor node's own information; if yes, proceed to step S13; if no, proceed to step S14.

[0056] Step S13: designate the adjacent nodes of the key node to join the network, and then proceed to step S14.

[0057] Step S14: Receive information from other sensor nodes and proceed to step S15.

[0058] Step S15: Determine whether a network access command is received, if yes, proceed to step S16; if not, proceed to step S17.

[0059] Step S16: Determine whether the destination is a message, if yes, proceed to step S161; if not, proceed to step S162;

[0060] Step S161: Join the network and go to step S18.

[0061] Step S162: Determine whether it is necessary to forward the network access command information. If yes, forward the network access command and proceed to step S18. If no, directly proceed to step S18.

[0062] Step S17: Determine whether it is broadcast information. If so, update its own connection information and go to step S18; if not, directly go to step S18.

[0063] Step S18: The operation ends.

[0064] After all sensors are powered on, they are not connected to the network and send their information at random periods. Each sensor can find its adjacent nodes and estimate the distance to the corresponding node based on the RF signal RSSI.

[0065] It should be noted that the entire process of forming the initial network is executed by any sensor node. That is to say, any sensor node must first determine whether it is a key node. After completing the judgment, regardless of whether it is a key node, it must continue to receive information from other nodes before entering the subsequent process.

[0066] The initial network is formed by key nodes. Subsequently, the key nodes define their adjacent nodes as level 1 nodes and join the network. All level 1 nodes designate their adjacent nodes that are not connected to the network as level 2 nodes and join the network. This process is repeated in turn until all nodes are added to the network and the network topology is constructed.

[0067] After the topology network is established, communication between nodes needs to rely on routing algorithms.

[0068] Factors to consider in routing algorithms:

[0069] The RSSI value of the node, the RSSI higher than the set limit is selected first. RSSI lower than the limit means that the signal quality is relatively poor and the possibility of communication failure is relatively high. Selecting a high RSSI value path can avoid increasing the transmission time due to retrying due to communication failure.

[0070] The number of forwarding times between nodes, the path with fewer forwarding times is preferred. Selecting a path with fewer forwarding times can reduce forwarding time, improve communication efficiency, and reduce network latency.

[0071] The remaining power of the node, the high power path is selected first. Selecting the high power path can balance the remaining power of all nodes in the network and increase the continuous standby time when the power supply is insufficient.

[0072] Wherein, in step S2, configuring a routing algorithm for the initial network according to the remaining power of the node, the signal strength value, and the number of forwarding times between the nodes includes:

[0073] Step 1: Select sensor nodes with a power limit higher than the upper limit of the remaining power and the upper limit of the signal strength, and select a path with the least number of forwarding times from the selected sensor nodes. If the path exists, jump to step 5; if the path does not exist, proceed to the next step;

[0074] Step 2: Select sensor nodes with a power limit higher than the upper limit and a signal strength limit higher than the lower limit, and select a path with the least number of forwarding times from the selected sensor nodes. If the path exists, jump to step 5; if the path does not exist, proceed to the next step.

[0075] Step 3: Select nodes with a power reserve lower limit and a signal strength lower limit, and select a path with the least number of forwarding times from the selected sensor nodes. If the path exists, jump to step 5; if the path does not exist, proceed to the next step.

[0076] Step 4: List all paths, assign signal strength and remaining power weights, and determine the path with the maximum weight; if the path exists, jump to step 5; if the path does not exist, jump to step 6;

[0077] Step 5: Routing selection is completed;

[0078] Step 6: Routing failure.

[0079] Among them, in step S3, sensor nodes are deleted or added according to the needs of the actual operation process of the network to complete the network communication, including:

[0080] Step S31: adding sensor nodes and updating the network according to network communication requirements;

[0081] Step S32: Delete the sensor node according to the sensor failure and network communication requirements to achieve network self-healing.

[0082] Specifically, there are two situations for deleting nodes: network pruning (removing some nodes) or node failure.

[0083] Adding new nodes means adding new nodes to an already built network. There are two situations: adding nodes to improve communication performance in areas with poor communication or adding nodes due to changes in functional requirements. Newly added sensor nodes are converted into ordinary sensor nodes after being connected to the network.

[0084] During the normal operation of the network, a new sensor node appears. Its initial state is not connected to the network and it sends its own information in a random period.

[0085] In step S31, adding sensor nodes and updating the network according to network communication requirements include:

[0086] Step S311: Determine whether it is a newly added node according to the sensor node's own information. If yes, proceed to step S312; if not, proceed to step S313.

[0087] Step S312: Publish own information and go to step S3121;

[0088] Step S3121: receiving other node information and proceeding to step S3122;

[0089] Step S3122: Determine whether a network access command is received; if yes, proceed to step S3123; if no, proceed to step S3124.

[0090] Step S3123: Determine whether it is a destination. If yes, join the network and go to step S314; if no, go directly to step S314;

[0091] Step S3124: Determine whether it is broadcast information. If so, update its own connection information and go to step S314; if not, directly go to step S314.

[0092] Step S313: receiving other node information and proceeding to step S3131;

[0093] Step S3131: Determine whether it is an adjacent node. If yes, periodically issue INS commands and proceed to step S314; if no, proceed to step S3132;

[0094] Step S3132: Determine whether it is a key node. If so, issue a network access command and proceed to step S314; if not, periodically forward INS commands and proceed to step S314;

[0095] Step S314: The operation ends.

[0096] It should be noted that the entire process of adding a new node is actually divided into two processes. First, it is determined whether it is a new node based on its own information; if it is a new node, the sensor node goes through the entire process of step S312 and then enters step S314; if it is not a new node, the sensor node goes through the entire process of step S313 and then enters step S314.

[0097] The newly added node publishes its own information and receives information from other nodes; if the newly added node receives a network access command, it determines whether it is a destination, and if so, joins the network;

[0098] If the newly added node does not receive the network access command, it determines whether broadcast information is needed, and if so, updates its own connection information.

[0099] Specifically, if the sensor node is not a newly added node, it receives information from other nodes and determines whether it is an adjacent node. If so, it periodically issues INS commands; if not, it determines whether it is a key node;

[0100] If the sensor node is a key node, it will issue a network access command; if the sensor node is not a key node, it will periodically forward the INS command.

[0101] When this sensor node cannot join the network for a long time, it enters a low-power operation mode and reduces the frequency of sending its own information.

[0102] When the neighboring nodes of this sensor node receive the information of this sensor node, they update their adjacent node information. When it is idle, it issues INS commands at random periods, and when it is working, it uses INS requests to replace its original messages.

[0103] All nodes that receive INS commands will forward INS commands at random periods when they are idle.

[0104] When the key node receives the INS command or INS request, it specifies the newly added node to join the network, completing the process of adding sensor nodes.

[0105] In addition, when a sensor node is removed from the network, or fails to communicate, its adjacent nodes have two ways to discover this situation (the removed or failed node is called the removed node):

[0106] When the adjacent nodes of the removed node use the removed node as a route or new destination, they cannot forward or get a response. After multiple retries, it is determined that the node is removed.

[0107] Each entry of the adjacent node information of the removed node has a life cycle. When the life cycle ends, the entry node is determined to be a removed node.

[0108] When a node is found to be removed, the adjacent node issues a DEL command at random periods when it is idle, and uses the DEL request to replace its original message when it is working.

[0109] All nodes that receive the DEL command will randomly periodically forward the INS command when they are idle.

[0110] When a key node receives a DEL command or a DEL request, it removes the node from the network to achieve network self-healing.

[0111] In step S32, the sensor node is deleted according to the sensor failure and network communication requirements to achieve network self-healing, including:

[0112] Step S321: Determine whether the adjacent node of the sensor node is removed, if yes, proceed to step S322; if no, proceed to step S323.

[0113] Step S322: Determine whether the sensor node itself is idle, if yes, proceed to step S3221; if not, proceed to step S3222;

[0114] Step S3221: Periodically issue a DEL command and proceed to step S324;

[0115] Step S3222: Determine whether the sensor node itself is working. If so, respond to the DEL request and proceed to step S324; if not, directly proceed to step S324.

[0116] Step S323: receiving other node information and proceeding to step S3231;

[0117] Step S3231: Determine whether the sensor node itself is a key node. If yes, proceed to step S3232; if not, proceed to step S3233;

[0118] Step S3232: remove the node and proceed to step S324;

[0119] Step S3233: Periodically forward the DEL command and proceed to step S324.

[0120] Step S324: The operation ends.

[0121] Embodiment 2

[0122] This embodiment provides a high-voltage overhead transmission line sensor radio frequency chain networking communication system, including:

[0123] The initial network building module is configured to determine the key nodes according to the sensor node's own information, add the adjacent nodes of the key nodes to the network as first-level nodes, set the adjacent nodes of the first-level nodes as second-level nodes, and so on, to form the initial network;

[0124] A routing configuration module is configured to configure a routing algorithm for an initial network according to a remaining power of a node, a signal strength value, and a forwarding number between nodes;

[0125] The network update module is configured to delete or add sensor nodes according to the requirements of the actual operation process of the network to complete the network communication.

[0126] It should be noted that the above-mentioned initial network construction module, routing configuration module and network update module correspond to steps S100 to S300 in Embodiment 1, and the examples and application scenarios implemented by the above-mentioned modules and corresponding steps are the same, but are not limited to the contents disclosed in the above-mentioned Embodiment 1. It should be noted that the above-mentioned modules as part of the system can be executed in a computer system such as a set of computer executable instructions.

[0127] The description of each embodiment in the above embodiments has different emphases. For parts not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0128] The proposed system can be implemented in other ways. For example, the system embodiment described above is only illustrative, and the division of the modules is only a logical function division. In actual implementation, there may be other division methods, such as multiple modules can be combined or integrated into another system, or some features can be ignored or not executed.

[0129] Embodiment 3

[0130] This embodiment provides a non-volatile readable storage medium on which an executable program is stored. When the program is executed by a processor, the steps in the radio frequency chain networking communication method for high-voltage overhead transmission line sensors as described in the above-mentioned embodiment 1 are implemented.

[0131] Embodiment 4

[0132] This embodiment provides an electronic device, including a memory, a processor, and an executable program stored in the memory and executable on the processor. When the processor executes the program, the steps in the radio frequency chain networking communication method for high-voltage overhead transmission line sensors as described in the above-mentioned embodiment 1 are implemented.

[0133] Those skilled in the art will appreciate that the embodiments of the present disclosure may be provided as methods, systems, or computer program products. Therefore, the present disclosure may take the form of hardware embodiments, software embodiments, or embodiments combining software and hardware. Furthermore, the present disclosure may take the form of a program product implemented on one or more non-volatile storage media (including but not limited to disk storage and optical storage, etc.) containing program codes available to electronic devices.

[0134] The present disclosure is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and products according to the embodiments of the present disclosure. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by program instructions. These program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to generate a machine, so that the instructions executed by the machine generate instructions for implementing the process in the flowchart. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0135] These program instructions can also be stored in a non-volatile memory, and controlling these instructions to run produces a product including an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0136] These program instructions may also be loaded onto a controller / processor device so that a series of operating steps are executed on the device to produce the processing implemented by the instructions, thereby providing instructions executed on the device for implementing the process in the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0137] A person skilled in the art can understand that all or part of the processes in the above-mentioned embodiments can be implemented by programming an electronic device to instruct the relevant hardware, and the program can be stored in a readable non-volatile storage medium, and when the program is executed, it can include the processes of the embodiments of the above-mentioned methods. The storage medium can be a disk, an optical disk, a read-only memory (ROM) or a random access memory (RAM), etc.

[0138] Although the above describes the specific implementation methods of the present disclosure in conjunction with the accompanying drawings, it is not intended to limit the scope of protection of the present disclosure. Technical personnel in the relevant field should understand that on the basis of the technical solution of the present disclosure, various modifications or variations that can be made by those skilled in the art without creative work are still within the scope of protection of the present disclosure.

Claims

1. A radio frequency chain networking communication method for high-voltage overhead transmission line sensors, characterized in that: include: Determine the key nodes according to the sensor node's own information, add the key nodes' adjacent nodes to the network as first-level nodes, set the first-level nodes' adjacent nodes as second-level nodes, and so on, to form an initial network; Configure a routing algorithm for the initial network based on the remaining power of the nodes, the signal strength value, and the number of forwarding times between nodes; Delete or add sensor nodes according to the actual needs of the network operation process to complete network communication; The forming of the initial network comprises: Step 1: The sensor node publishes its own information, and determines whether the sensor node is a key node based on the sensor node's own information. If it is, the adjacent nodes of the key node are designated to join the network; Step 2: After completing the judgment in the first step, whether the sensor node is a key node or not, it must continue to receive information from other nodes; Step 3: Determine whether the network access command is received. If yes, proceed to step 4; if not, proceed to step 5; Step 4: Determine whether it is a destination. If so, join the network. If not, determine whether it needs to forward the network access command. Step 5: Determine whether it is broadcast information. If so, update its own connection information; The initial network configuration routing algorithm according to the remaining power of the node, the signal strength value and the number of forwarding times between the nodes includes: Step 1: Select sensor nodes with a power limit higher than the upper limit of the remaining power and the upper limit of the signal strength, and select a path with the least number of forwarding times from the selected sensor nodes. If the path exists, jump to step 5; if the path does not exist, proceed to the next step; Step 2: Select sensor nodes with a power limit higher than the upper limit and a signal strength limit higher than the lower limit, and select a path with the least number of forwarding times from the selected sensor nodes. If the path exists, jump to step 5; if the path does not exist, proceed to the next step. Step 3: Select nodes with a power reserve lower limit and a signal strength lower limit, and select a path with the least number of forwarding times from the selected sensor nodes. If the path exists, jump to step 5; if the path does not exist, proceed to the next step. Step 4: List all paths, assign signal strength and remaining power weights, and determine the path with the maximum weight; if the path exists, jump to step 5; if the path does not exist, jump to step 6; Step 5: Routing selection is completed; Step 6: Routing selection fails; The key node is an integrated 4G / ETH teletransmission node.

2. A radio frequency chain networking communication method for high-voltage overhead power transmission line sensors according to claim 1, characterized in that: Delete or add sensor nodes according to the actual needs of the network operation process to complete network communication, including: Add sensor nodes and update the network according to network communication needs; Delete sensor nodes according to sensor failures and network communication requirements to achieve network self-healing.

3. A radio frequency chain networking communication method for high-voltage overhead power transmission line sensors as claimed in claim 2, characterized in that: The step of adding sensor nodes and updating the network according to network communication requirements includes: Determine whether it is a newly added node according to the sensor node's own information, if yes, the newly added node publishes its own information; if not, continue to receive information from other nodes; The newly added node publishes its own information and receives information from other nodes; if the newly added node receives a network access command, it determines whether it is a destination, and if so, joins the network; If the newly added node does not receive the network access command, it determines whether broadcast information is needed, and if so, updates its own connection information.

4. A radio frequency chain networking communication method for high-voltage overhead power transmission line sensors as claimed in claim 2, characterized in that: Deleting the sensor node according to the sensor failure and network communication requirements to achieve network self-healing includes: Determine whether the adjacent node of the sensor node has been removed. If so, determine whether the sensor node itself is idle; if the sensor node itself is idle, periodically issue a DEL command to complete the sensor node removal; if it is found that the sensor node itself is not idle, determine whether the sensor node itself is working. If the sensor node itself is working, respond to the DEL request to complete the sensor node removal process; If the adjacent node of the sensor node is not removed, it continues to receive information from other sensor nodes.

5. A radio frequency chain networking communication method for high-voltage overhead power transmission line sensors as claimed in claim 4, characterized in that: If the adjacent node of the sensor node is not removed, continue to receive information of other sensor nodes, including: Determine whether the sensor node is a key node, and if the sensor node is a key node, remove the sensor node; If the sensor node is not a key node, the DEL command is forwarded periodically to complete the sensor node removal process.

6. A radio frequency chain networking communication system for high-voltage overhead power transmission line sensors, characterized in that: include: The initial network building module is configured to determine the key nodes according to the sensor node's own information, add the adjacent nodes of the key nodes to the network as first-level nodes, set the adjacent nodes of the first-level nodes as second-level nodes, and so on, to form the initial network; A routing configuration module is configured to configure a routing algorithm for an initial network according to a remaining power of a node, a signal strength value, and a forwarding number between nodes; The network update module is configured to delete or add sensor nodes according to the needs of the actual operation process of the network to complete the network communication; The forming of the initial network comprises: Step 1: The sensor node publishes its own information, and determines whether the sensor node is a key node based on the sensor node's own information. If it is, the adjacent nodes of the key node are designated to join the network; Step 2: After completing the judgment in the first step, whether the sensor node is a key node or not, it must continue to receive information from other nodes; Step 3: Determine whether the network access command is received. If yes, proceed to step 4; if not, proceed to step 5; Step 4: Determine whether it is a destination. If so, join the network. If not, determine whether it needs to forward the network access command. Step 5: Determine whether it is broadcast information. If so, update its own connection information; The initial network configuration routing algorithm according to the remaining power of the node, the signal strength value and the number of forwarding times between the nodes includes: Step 1: Select sensor nodes with a power limit higher than the upper limit of the remaining power and the upper limit of the signal strength, and select a path with the least number of forwarding times from the selected sensor nodes. If the path exists, jump to step 5; if the path does not exist, proceed to the next step; Step 2: Select sensor nodes with a power limit higher than the upper limit and a signal strength limit higher than the lower limit, and select a path with the least number of forwarding times from the selected sensor nodes. If the path exists, jump to step 5; if the path does not exist, proceed to the next step. Step 3: Select nodes with a power reserve lower limit and a signal strength lower limit, and select a path with the least number of forwarding times from the selected sensor nodes. If the path exists, jump to step 5; if the path does not exist, proceed to the next step. Step 4: List all paths, assign signal strength and remaining power weights, and determine the path with the maximum weight; if the path exists, jump to step 5; if the path does not exist, jump to step 6; Step 5: Routing selection is completed; Step 6: Routing selection fails; The key node is an integrated 4G / ETH teletransmission node.

7. A non-volatile readable storage medium having an executable program stored thereon, characterized in that: When the program is executed by a processor, the steps in a radio frequency chain networking communication method for high-voltage overhead power transmission line sensors as described in any one of claims 1 to 5 are implemented.

8. An electronic device comprising a memory, a processor, and an executable program stored in the memory and executable on the processor, characterized in that: When the processor executes the program, the steps in the radio frequency chain networking communication method for high-voltage overhead power transmission line sensors as described in any one of claims 1-5 are implemented.

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