Method for improving distribution automation online rate based on 5G network

Abstract

The invention relates to a method for improving the online rate of power distribution automation based on a 5G network. The method comprises the following steps: S1, monitoring the online state of a power distribution automation terminal by adopting a 5G probe; s2, optimizing the rod-shaped antenna, so that the gain and the coverage range of the antenna can be improved; s3, judging whether the distribution automation terminal is offline or not, and if yes, returning to the step 1; if not, executing the step 4; and S4, the power distribution automation terminal and the power distribution automation master station are connected through a 5G network to carry out real-time communication. According to the invention, a plurality of 5G probes are deployed in a power distribution network coverage area to form a 5G probe network, and the online state of the power distribution automation terminal is continuously monitored in real time; the design of the rod-shaped antenna is optimized, the antenna gain and coverage range are improved, the problem of insufficient coverage of an existing communication mode is solved, real-time communication between the power distribution automation terminal and the master station is realized by utilizing the characteristics of time delay, high bandwidth and the like of the 5G network, so that the online rate of the power distribution automation terminal is effectively improved, and the communication efficiency is improved. And high-efficiency operation of the power distribution automation system is ensured.

Description

Technical Field

[0001] The present invention belongs to the technical field of power distribution network automation data communication, and particularly relates to a method for improving the online rate of distribution automation based on the 5G network. Background Art

[0002] With the continuous advancement of the construction of distribution automation and the increasing load density of the distribution network year by year, more and more distribution automation terminals and distribution operation acquisition devices are applied to the distribution network. As an important part of the smart grid, the current distribution automation network usually adopts 2G / 3G / 4G wireless communication methods to access the system, which has problems such as insufficient communication coverage and high latency, resulting in a high offline rate of distribution automation terminals and affecting the operation efficiency of the system.

[0003] Existing technical solutions: One is to analyze the reasons for the unstable connection of the encrypted channel through the logs of the distribution automation master station front-end machine, and the other is to perform signal detection through mobile phone tools at the installation site of the intelligent terminal. This method can only find problems such as the mismatch of the master station certificate or the configuration of the master station encryption machine, or detect the stability of the communication network at a certain moment, and cannot continuously monitor the fluctuations of the communication state machine, nor can it detect the reasons for the disconnection of the encrypted link. The above methods cannot effectively improve the online rate of distribution automation terminals, cannot ensure the efficient operation of the distribution automation system, and cannot effectively collect the data of the primary equipment of the distribution network and the control execution action signals. Summary of the Invention

[0004] The purpose of the present invention is to solve the above problems. The present application proposes a method for improving the online rate of distribution automation based on the 5G network, which uses a 5G probe to continuously monitor the online status of the distribution automation terminal, obtains the status information of the communication link in real time, optimizes the design of the rod antenna, improves the antenna gain and coverage, and ensures the stable connection between the distribution automation terminal and the distribution automation master station.

[0005] To achieve the above purpose, the present invention provides the following technical solutions: A method for improving the online rate of distribution automation based on the 5G network, comprising the following steps: Step 1: Use a 5G probe to monitor the online status of the distribution automation terminal; Step 2: Optimize the rod antenna to improve the antenna gain and coverage; Step 3: Determine whether the distribution automation terminal is offline. If so, return to Step 1; if not, execute Step 4; Step 4: The distribution automation terminal and the distribution automation master station are connected through the 5G network for real-time communication.

[0006] Further: The specific implementation steps of using 5G probes to monitor the online status of distribution automation terminals in step 1 include: 101. Deploy multiple 5G probes in the distribution network coverage area to form a 5G probe network; 102. The 5G probe network monitors the online status of distribution automation terminals in real time and uploads the monitoring data to the cloud platform; 103. The cloud platform analyzes the monitoring data, judges the online status of distribution automation terminals, and feeds back the judgment results to the distribution automation master station.

[0007] Further: The implementation steps of optimizing the rod antenna in step 2 include: 201. The 5G probe uses high-gain antenna materials to optimize the structural design of the rod antenna. The antenna gain range is 10 dBi to 20 dBi, and the antenna length range is 10 cm to 50 cm; 202. Set multiple radiation units on the rod antenna, and the number of radiation units is set to 3 to 10; 203. Conduct an array design for the rod antenna, and the antenna array spacing is 0.5 to 1.5 times the operating wavelength.

[0008] Further: The implementation steps of the distribution automation terminal communicating with the system in step 4 include: 401. The distribution automation terminal establishes a high-speed data link with the distribution automation master station through the 5G network, and the time delay is less than 10 ms; 402. The distribution automation terminal uploads the collected distribution data to the distribution automation master station in real time; 403. The distribution automation master station issues control instructions to the distribution automation terminal in real time according to the received data.

[0009] Compared with the prior art, the beneficial effects of the present invention are as follows: By using 5G probes to continuously monitor the online status of distribution automation terminals, the status information of the communication link can be obtained in real time, abnormalities can be discovered in time and the reasons can be analyzed, thereby effectively improving the online rate of distribution automation terminals; 2. Optimize the rod antenna design, improve the antenna gain and coverage, solve the problem of insufficient communication coverage of the existing 2G / 3G / 4G wireless communication methods, and ensure the stable connection between the distribution automation terminal and the system; Utilize the characteristics of low time delay and high bandwidth of the 5G network to overcome the disadvantage of high time delay of the existing 2G / 3G / 4G wireless communication methods, improve the real-time performance and response speed of the distribution automation system, and based on the reliability and security of 5G, improve the operation stability and data transmission security of the distribution automation system; By improving the online rate of distribution automation terminals, the efficient operation of the distribution automation system is ensured, the automation monitoring and control level of the distribution network is enhanced, which is conducive to improving the operation efficiency and power supply reliability of the distribution network. Detailed implementation manners

[0010] In order to enable those skilled in the art to better understand and implement the technical solution of the present invention, the present invention will be further described below in conjunction with specific embodiments. However, the specific embodiments cited are only for the illustration of the present invention and do not limit the present invention. Embodiment 1

[0011] A method for improving the online rate of distribution automation based on 5G network, comprising the following steps: Step 1: Use 5G probes to monitor the online status of distribution automation terminals; Deploy multiple 5G probes in the distribution network coverage area to form a 5G probe network. The 5G probes adopt high-gain antenna materials, and the antenna gain range is from 10 dBi to 20 dBi, preferably 15 dBi; The 5G probe network monitors the online status of distribution automation terminals in real time and uploads the monitoring data to the cloud platform. The monitoring period is from 1 second to 10 seconds, preferably 5 seconds; The cloud platform analyzes the monitoring data, judges the online status of the distribution automation terminal, and feeds back the judgment result to the distribution automation master station. The judgment threshold is that when the signal strength is lower than -90 dBm, it is judged as the offline state; Step 2: Optimize the rod antenna to improve the antenna gain and coverage; Adopt high-gain antenna materials, such as aluminum alloy materials, to optimize the structural design of the rod antenna. The antenna length range is from 10 cm to 50 cm, preferably 30 cm; Set 3 to 10 radiation units on the rod antenna, preferably 5 radiation units, to improve the radiation efficiency of the antenna; Perform array design on the rod antenna. The antenna array spacing is 0.5 to 1.5 times the operating wavelength, preferably 1 times the operating wavelength, to enhance the directivity and coverage of the antenna; Step 3: Judge whether the distribution automation terminal is offline. If so, return to Step 1; if not, execute Step 4; Step 4: The distribution automation terminal and the distribution automation master station are connected through the 5G network for real-time communication; The distribution automation terminal establishes a high-speed data link with the distribution automation master station through the 5G network, and the time delay is less than 10 ms; The distribution automation terminal uploads the collected distribution network data to the distribution automation master station in real time. The upload period is from 1 second to 10 seconds, preferably 5 seconds; The main station of distribution automation issues control instructions to the distribution automation terminal in real time according to the received data, and the instruction issuing delay is less than 20 ms. Embodiment 2

[0012] Step 1: Continuously monitor the online status of the distribution automation terminal using a 5G probe 101. Deploy 20 to 100 5G probes, preferably 50, in the distribution network coverage area to form a 5G probe network; 102. Use the 5G probe network to continuously monitor the online status of the distribution automation terminal. The monitoring period is 2 s to 8 s, preferably 3 s, and upload the monitoring data to the cloud platform; 103. The cloud platform analyzes the monitoring data. When the signal strength is lower than -85 dBm in three consecutive monitoring data, it is determined that the distribution automation terminal is in an offline state, and the determination result is fed back to the main station of distribution automation; Step 2: Optimize the structure of the rod antenna to improve the antenna gain and coverage Optimize the structural design of the rod antenna using aluminum alloy material to improve the antenna gain and coverage. The antenna length ranges from 15 cm to 40 cm, preferably 25 cm; Set 4 to 8 radiation units, preferably 6 radiation units, on the rod antenna to improve the radiation efficiency of the antenna; Perform an array design on the rod antenna. The antenna array spacing is 0.6 to 1.2 times the operating wavelength, preferably 0.8 times the operating wavelength, to enhance the directivity and coverage of the antenna.

[0013] Step 3: Determine whether the distribution automation terminal is offline. If so, return to Step 1; if not, execute Step 4; Step 4: The distribution automation terminal and the main station of distribution automation are connected through the 5G network for real-time communication; 401. The distribution automation terminal establishes a high-speed data link with the main station of distribution automation through the 5G network, and the delay is less than 5 ms; 402. The distribution automation terminal uploads the collected distribution network data to the main station of distribution automation in real time. The upload period is 2 seconds to 8 seconds, preferably 4 seconds; 403. The main station of distribution automation issues control instructions to the distribution automation terminal in real time according to the received data, and the instruction issuing delay is less than 15 ms.

[0014] The above embodiments are implemented by the method of the present invention. Multiple 5G probes are deployed in the distribution network coverage area to form a 5G probe network, continuously and real-time monitoring the online status of distribution automation terminals. Once a terminal goes offline, measures are immediately taken to restore the connection. At the same time, the structural design of the rod antenna is optimized, improving the antenna gain and coverage range, solving the problem of insufficient coverage of existing communication methods, and utilizing the characteristics of the 5G network such as low latency and high bandwidth to achieve real-time communication between the distribution automation terminal and the distribution automation master station, thereby effectively improving the online rate of the distribution automation terminal and ensuring the efficient operation of the distribution automation system.

[0015] Contents not described in detail in the present invention are all prior arts.

[0016] The above are only the preferred embodiments of the present invention and are not limited to those described in the specification and embodiments. Therefore, any equivalent changes or modifications made to the structure, features, and principles described in the scope of the patent application of the present invention shall be included in the scope of the patent application of the present invention.

Claims

1. A method for improving the online rate of distribution automation based on 5G network, characterized in that: It includes the following steps: Step 1: Use a 5G probe to monitor the online status of the distribution automation terminal; Step 2: Optimize the rod antenna to improve its gain and coverage; Step 3: Determine whether the distribution automation terminal is offline. If so, return to Step 1; if not, execute Step 4; Step 4: The distribution automation terminal and the distribution automation master station are connected through the 5G network for real-time communication.

2. The method for improving the online rate of distribution automation based on the 5G network according to claim 1, wherein: The specific implementation steps of using a 5G probe to monitor the online status of the distribution automation terminal in Step 1 include:

101. Deploy multiple 5G probes in the distribution network coverage area to form a 5G probe network; 102. The 5G probe network monitors the online status of the distribution automation terminal in real time and uploads the monitoring data to the cloud platform; 103. The cloud platform analyzes the monitoring data, determines the online status of the distribution automation terminal, and feeds back the judgment result to the distribution automation master station.

3. A method for improving the online rate of distribution automation based on a 5G network according to claim 1, characterized in that: The implementation steps of optimizing the rod antenna in Step 2 include:

201. The 5G probe uses a high-gain antenna material to optimize the structural design of the rod antenna. The antenna gain range is 10 dBi to 20 dBi, and the antenna length range is 10 cm to 50 cm; 202. Set multiple radiation units on the rod antenna, and the number of radiation units is set to 3 to 10; 203. Conduct an array design for the rod antenna, and the antenna array spacing is 0.5 to 1.5 times the operating wavelength.

4. A method for improving the online rate of distribution automation based on the 5G network according to claim 1, characterized in that: The implementation steps of the distribution automation terminal communicating with the system in Step 4 include:

401. The distribution automation terminal establishes a high-speed data link with the distribution automation master station through the 5G network, and the time delay is less than 10 ms; 402. The distribution automation terminal uploads the collected distribution data to the distribution automation master station in real time; 403. The distribution automation master station issues control instructions to the distribution automation terminal in real time according to the received data.