A distribution network monitoring system based on 5G Internet of Things

Abstract

The present invention discloses a distribution network monitoring system based on 5G Internet of Things, comprising: a distribution network connected to a plurality of distribution network terminals via cables, a processing module provided with a conversion circuit and a processor, a data acquisition module monitoring the power consumption data of the distribution network in real time for 24 hours, and a protection module playing a protective role when the power consumption data of the distribution network is abnormal. The inspection module transmits back the captured video by means of an unmanned aerial vehicle inspection, and uses video monitoring to supervise the distribution system, transmits back diagnostic data, and realizes a panoramic view of the distribution network. The distribution network monitoring system can measure the distribution data and the video image of the distribution network, and transmits data with the help of 5G technology, so as to provide timely protection when a fault occurs in the distribution network. 5G communication is not limited by the number of channels erected and the grid structure of the grid. 5G communication is used to exchange information between multiple protection terminals in the grid area, so that the response is faster and the use effect of the monitoring system is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of distribution network monitoring, and in particular to a distribution network monitoring system based on 5G Internet of Things. Background Art

[0002] As an important link in the power production process, the distribution network directly faces the vast number of power users and is an indispensable infrastructure in social development. However, as the country vigorously promotes the construction of new infrastructure and new power systems, traditional distribution network facilities have been difficult to meet the needs of complex power supply networks with multiple power sources and rapid self-healing, making the distribution network the main weak link in the strong power grid. Compared with previous generations of communication technology, 5G communication technology has been further improved in terms of speed and bandwidth, and has been more widely used in areas that require high speed and low latency in the distribution network. The monitoring system monitors the distribution network operation data, which is the main method to ensure the normal operation of the distribution network.

[0003] The Chinese patent publication number is CN202906579U, and the authorization announcement date is April 24, 2013. A real-time monitoring and control system for distribution network based on the Internet of Things, which relates to the field of distribution network monitoring technology. The system includes a data acquisition module, a real-time analysis and control module, a fault location module, and a communication network module. The data acquisition module and the fault location module are connected to the real-time analysis and control module through the communication network module. The data acquisition module includes a wireless sensor, a wireless camera, a smart socket and an inspection terminal; the real-time analysis and control module is composed of a monitoring and control center; the fault location module includes a fault locator and a distribution network geographic information system; the communication network module includes a wireless sensor network, a mobile communication network and the Internet. The invention can monitor and record the operating status of the distribution network in real time, quickly locate the fault point, speed up the processing speed, increase the efficiency and reduce the loss.

[0004] The above-mentioned existing technical solutions have the following defects: the change in the distribution network grid topology makes it impossible to flexibly configure the protection, and the access of distributed power sources causes the original distribution network to evolve from a single-ended radial network to a multi-power network. Unlike the transmission network, the distribution network protection cannot be flexibly configured as the network topology changes. Summary of the invention

[0005] The purpose of the present invention is to provide a distribution network monitoring system based on 5G Internet of Things to solve the problem proposed in the above background technology that the change of distribution network grid topology leads to the inability to flexibly configure protection, the access of distributed power sources causes the original distribution network to evolve from a single-ended radial network to a multi-power network, and unlike the transmission network, the distribution network protection cannot be flexibly configured as the network topology changes.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a distribution network monitoring system based on 5G Internet of Things, comprising a distribution network, a data acquisition module, a protection module, an inspection module, a processing module, an early warning module and a monitoring main station, the distribution network is connected to a number of distribution network terminals through cables, and the distribution network terminals are connected in series to the distribution network, the processing module is provided with a conversion circuit and a processor, and the processor adopts a single-chip microcomputer of the STC89C51 series, the conversion circuit is electrically connected to the processor, the data acquisition module monitors the power consumption data of the distribution network in real time 24 hours a day, the protection module can play a protective role when the power consumption data of the distribution network is abnormal, the inspection module uses a drone inspection method to transmit back the shot video, uses video monitoring to supervise the distribution system, transmits back diagnostic data, and realizes a panoramic view of the distribution network.

[0007] Preferably, data is transmitted between the data acquisition module, protection module, inspection module, processing module and monitoring main station via 5G network communication signals.

[0008] Preferably, the data acquisition module includes a voltage transformer, a current transformer, a leakage sensor, a temperature sensor and a GPS locator, and the voltage transformer, current transformer, leakage sensor, temperature sensor and GPS locator are connected to the input and output terminals of the distribution network terminal, and the voltage transformer, current transformer, leakage sensor, temperature sensor, GPS locator, conversion circuit and processor are all provided with a 5G serial interface.

[0009] Preferably, the protection module includes an overcurrent protector, an overvoltage protector and a relay protector, and the overcurrent protector, the overvoltage protector and the relay protector are connected to the input and output terminals of the distribution network terminal, and the overcurrent protector, the overvoltage protector and the relay protector are all provided with a 5G serial interface.

[0010] Preferably, the drone is provided with a microcontroller, an infrared camera, a GPS locator, a meteorological monitoring device and a power supply device, and the microcontroller is provided with a 5G serial interface.

[0011] Preferably, the early warning module includes a data storage device, a display device and an alarm device, and the data storage device, the display device and the alarm device are all electrically connected to the processor.

[0012] A distribution network monitoring system based on 5G Internet of Things includes the following steps:

[0013] Step 1: The voltage transformer, current transformer, leakage sensor and temperature sensor measure the power consumption data of the distribution network terminal, transmit the measured data through the 5G network, process and analyze the measured data, and then upload the analysis results to the monitoring master station;

[0014] Step 2: Start the drone inspection, use the infrared camera on the drone to shoot the video of the distribution network, and the meteorological monitoring equipment to measure the meteorological environment of the drone's navigation route. The captured video and meteorological data are transmitted through the 5G network for processing and analysis;

[0015] Step 3: Plan the inspection route of the drone based on the processing results to achieve panoramic monitoring of the distribution network;

[0016] Step 4: When an abnormality is detected during monitoring, the 5G network monitoring master station issues a protection instruction to the distribution network terminal, and accordingly activates the overcurrent protector, overvoltage protector or relay protector to quickly respond to and control the distribution network.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The device of the invention can measure the power consumption data of the distribution network in real time through voltage transformers, current transformers, leakage sensors and temperature sensors, quickly transmit the measured power consumption data through the 5G network, process and analyze the collected power consumption data signals and upload the processing results to the monitoring main station, so as to quickly and accurately obtain the distribution network data. 5G communication is not limited by the number of channels and the grid structure. By using 5G communication to exchange information between multiple protection terminals in the grid area, the distribution network can be better monitored.

[0019] 2. The device of the invention measures the inspection meteorological environment through meteorological monitoring equipment, uploads the measured meteorological data for processing, plans a suitable inspection route, uses an infrared camera to shoot the video of the distribution network under inspection, uploads the video for processing and analysis, and then the monitoring main station determines the status of the power line based on the video. The 5G technology can transmit video data at a high rate, update high-definition images in real time, process the returned data, and realize a panoramic view of the distribution network;

[0020] 3. The device of the invention plays a protective role when overcurrent or overvoltage occurs in the distribution terminal through the overcurrent protector and the overvoltage protector. The relay protector plays a protective role when a short circuit or grounding failure occurs in the distribution terminal. The protection mechanism is remotely controlled by adopting 5G technology. 5G communication technology carries the longitudinal protection channel of the distribution network, which can realize fast and accurate protection at a relatively low cost, and take into account the optimized coordination between protections, which can quickly isolate the fault area and minimize the impact of the fault. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall principle of the present invention;

[0022] Figure 2 It is the data acquisition principle diagram of the present invention;

[0023] Figure 3 It is the protection principle diagram of the present invention;

[0024] Figure 4 This is a schematic diagram of the unmanned home inspection principle of the present invention;

[0025] Figure 5 It is the early warning principle diagram of the present invention. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0027] See also Figure 1-5 An embodiment of the present invention is as follows: a distribution network monitoring system based on 5G Internet of Things, including a distribution network, a data acquisition module, a protection module, an inspection module, a processing module, an early warning module and a monitoring main station. The distribution network is connected to a plurality of distribution network terminals through cables, and the distribution network terminals are connected in series to the distribution network. The processing module is provided with a conversion circuit and a processor, and the processor adopts a single-chip microcomputer of the STC89C51 series. The conversion circuit is electrically connected to the processor. The data acquisition module monitors the power consumption data of the distribution network in real time 24 hours a day. The protection module can play a protective role when the power consumption data of the distribution network is abnormal. The inspection module uses a drone inspection method to transmit back the captured video, uses video monitoring to supervise the distribution system, and transmits back diagnostic data to realize a panoramic view of the distribution network.

[0028] See also Figure 1 , data acquisition module, protection module, inspection module, processing module and monitoring main station are transmitted through 5G network communication signals. 5G network communication signals use the millimeter wave band of 30 to 300 GHz or nearby, and use higher frequency radio waves to achieve these higher data rates, thereby improving the response speed of the distribution network monitoring system.

[0029] See also Figure 2 The data acquisition module includes a voltage transformer, a current transformer, a leakage sensor, a temperature sensor and a GPS locator, and the voltage transformer, current transformer, leakage sensor, temperature sensor and GPS locator are connected to the input and output terminals of the distribution network terminal. The voltage transformer, current transformer, leakage sensor, temperature sensor, GPS locator, conversion circuit and processor are all equipped with 5G serial interfaces. The GPS locator can accurately locate the data collection position of the distribution network and the data collection point, which is convenient for subsequent judgment of the fault point.

[0030] See also Figure 3The protection module includes an overcurrent protector, an overvoltage protector and a relay protector, and the overcurrent protector, overvoltage protector and relay protector are connected to the input and output terminals of the distribution network terminal. The overcurrent protector, overvoltage protector and relay protector are all equipped with 5G serial interfaces. The overcurrent protector, overvoltage protector and relay protector can play a protective role when overcurrent, overvoltage, short circuit or grounding failure occurs in the distribution network, quickly isolate the fault area, and minimize the impact of the fault.

[0031] See also Figure 4 The drone is equipped with a microcontroller, an infrared camera, a GPS locator, a meteorological monitoring device and a power supply device, and the microcontroller is provided with a 5G serial interface. The meteorological monitoring equipment is used to measure the environment of the drone's inspection route, and the measured meteorological data is uploaded for processing and analysis. The inspection route is specified with the help of the positioning data measured by the GPS locator. The power supply device adjusts the power according to the inspection route, so that the drone can inspect along the established inspection route. The infrared camera on the drone is used to shoot video during the inspection process, and 5G technology is used to transmit video data at a high rate. The returned data is processed to achieve a panoramic view of the distribution network.

[0032] See also Figure 5 The early warning module includes a data storage device, a display device and an alarm device, and the data storage device, the display device and the alarm device are all electrically connected to the processor. The monitoring data is backed up through the data storage device, and the display device displays the monitoring results for the convenience of staff to view. The alarm device can issue an alarm when an abnormality occurs in the monitoring, which serves as a warning and facilitates the staff to promptly repair the fault points of the distribution network.

[0033] A distribution network monitoring system based on 5G Internet of Things includes the following steps:

[0034] Step 1: The voltage transformer, current transformer, leakage sensor and temperature sensor measure the power consumption data of the distribution network terminal, transmit the measured data through the 5G network, process and analyze the measured data, and then upload the analysis results to the monitoring master station;

[0035] Step 2: Start the drone inspection, use the infrared camera on the drone to shoot the video of the distribution network, and the meteorological monitoring equipment to measure the meteorological environment of the drone's navigation route. The captured video and meteorological data are transmitted through the 5G network for processing and analysis;

[0036] Step 3: Plan the inspection route of the drone based on the processing results to achieve panoramic monitoring of the distribution network;

[0037] Step 4: When an abnormality is detected during monitoring, the 5G network monitoring master station issues a protection instruction to the distribution network terminal, and accordingly activates the overcurrent protector, overvoltage protector or relay protector to quickly respond to and control the distribution network.

[0038] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A distribution network monitoring system based on 5G Internet of Things, including a distribution network, a data acquisition module, a protection module, an inspection module, a processing module, an early warning module and a monitoring master station, characterized in that: The distribution network is connected to a number of distribution network terminals through cables, and the distribution network terminals are connected in series to the distribution network. The processing module is provided with a conversion circuit and a processor, and the processor adopts a single-chip microcomputer of the STC89C51 series. The conversion circuit is electrically connected to the processor. The data acquisition module monitors the power consumption data of the distribution network in real time 24 hours a day. The protection module can play a protective role when the power consumption data of the distribution network is abnormal. The inspection module uses a drone inspection method to transmit back the captured video, uses video monitoring to supervise the distribution system, and transmits back diagnostic data to achieve a panoramic view of the distribution network; The system comprises the following operating steps: Step 1: The voltage transformer, current transformer, leakage sensor and temperature sensor measure the power consumption data of the distribution network terminal, transmit the measured data through the 5G network, process and analyze the measured data, and then upload the analysis results to the monitoring master station; Step 2: Start the drone inspection, use the infrared camera on the drone to shoot the video of the distribution network, and the meteorological monitoring equipment to measure the meteorological environment of the drone's navigation route. The captured video and meteorological data are transmitted through the 5G network for processing and analysis; Step 3: Plan the inspection route of the drone based on the processing results to achieve panoramic monitoring of the distribution network; Step 4: When an abnormality is detected during monitoring, the 5G network monitoring master station issues a protection instruction to the distribution network terminal, and accordingly activates the overcurrent protector, overvoltage protector or relay protector to quickly respond to and control the distribution network.

2. According to a 5G Internet of Things-based distribution network monitoring system according to claim 1, it is characterized in that: The data acquisition module, protection module, inspection module, processing module and monitoring main station transmit data via 5G network communication signals.

3. According to a 5G Internet of Things-based distribution network monitoring system according to claim 1, it is characterized in that: The data acquisition module includes a voltage transformer, a current transformer, a leakage sensor, a temperature sensor and a GPS locator, and the voltage transformer, current transformer, leakage sensor, temperature sensor and GPS locator are connected to the input and output terminals of the distribution network terminal, and the voltage transformer, current transformer, leakage sensor, temperature sensor, GPS locator, conversion circuit and processor are all provided with a 5G serial interface.

4. According to a 5G Internet of Things-based distribution network monitoring system according to claim 1, it is characterized in that: The protection module includes an overcurrent protector, an overvoltage protector and a relay protector, and the overcurrent protector, the overvoltage protector and the relay protector are connected to the input and output terminals of the distribution network terminal, and the overcurrent protector, the overvoltage protector and the relay protector are all provided with a 5G serial interface.

5. According to a 5G Internet of Things-based distribution network monitoring system according to claim 1, it is characterized in that: The drone is provided with a microcontroller, an infrared camera, a GPS locator, a meteorological monitoring device and a power supply device, and the microcontroller is provided with a 5G serial interface.

6. A distribution network monitoring system based on 5G Internet of Things according to claim 1, characterized in that: The early warning module includes a data storage device, a display device and an alarm device, and the data storage device, the display device and the alarm device are all electrically connected to the processor.

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