CN112218258A - A 5G-based online monitoring method for power metering - Google Patents

A 5G-based online monitoring method for power metering Download PDF

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Publication number
CN112218258A
CN112218258A CN202010894466.6A CN202010894466A CN112218258A CN 112218258 A CN112218258 A CN 112218258A CN 202010894466 A CN202010894466 A CN 202010894466A CN 112218258 A CN112218258 A CN 112218258A
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data
fault
line
data transmission
monitoring method
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CN202010894466.6A
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李鑫垚
梅华威
刘迪
姜铁民
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North China Electric Power University
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North China Electric Power University
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/18—Network planning tools
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Automation & Control Theory (AREA)
  • Multimedia (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention relates to a 5G-based electric power measurement online monitoring method, which comprises the following steps: based on the 5G wireless communication technology, a 5G data transmission module is established for transmitting big data; establishing a system consisting of a signal transmitting device and a signal receiving terminal to obtain a topological graph of the whole transformer area; installing a fault diagnostor on the line, acquiring current data of the line, transmitting real-time data to a data background by the fault diagnostor through a big data transmission module, positioning a fault position by the data background in combination with a network topology structure, and alarming the fault; on the basis of a 5G environment, the invention realizes on-line monitoring second-level data transmission by utilizing a line topology structure chart. The circuit fault can be timely found and accurately positioned, and meanwhile instantaneous current mutation data can be obtained.

Description

5G-based electric power measurement online monitoring method
Technical Field
The invention relates to an electric power metering online monitoring method based on 5G.
Background
At present, most of data acquisition and concentration devices of domestic terminal users transmit acquired electricity consumption data based on a 4G technology, a concentrator and a special transformer terminal based on 4G cannot bear mass sensor data required by the ubiquitous power internet of things, and mass video data cannot be transmitted in real time. The problems that the collected timeliness is not strong, the data is single, and timely and accurate data cannot be provided are caused.
At present, the management work of the power transmission line of the power system in China is mainly carried out in a mode of manual regular maintenance, and the normal and stable operation of the power transmission line is ensured by configuring field maintenance personnel to carry out routine monitoring on the power transmission line at fixed time intervals. The manual management mode has the disadvantages of low management quality and efficiency, high cost and the like, and meanwhile, the running state of the power transmission line cannot be grasped in real time, the quality and efficiency of the whole management work are not high, and the requirements on the intellectualization and automation of the power system in the modern society cannot be met.
Disclosure of Invention
The invention aims to solve the technical problem of providing a 5G-based electric power measurement online monitoring method, which realizes online monitoring second-level data transmission on the basis of a 5G environment, so that line faults can be timely found and accurately positioned.
The technical scheme adopted by the invention is as follows: A5G-based electric power metering online monitoring method comprises the following steps:
based on the 5G wireless communication technology, a 5G data transmission module is established for transmitting big data;
establishing a low-voltage distribution network topology identification system consisting of a signal sending device and a signal receiving terminal to obtain a topological graph of the whole distribution area;
a fault diagnostor is arranged on the line and used for acquiring current data of the line, the fault diagnostor transmits real-time data to a data background through a big data transmission module, and the data background is combined with a network topology structure to position a fault position and give an alarm to the fault.
Further, the 5G data transmission module comprises a main control module, an MCU control module, a 485 communication module, a USB module, an infrared communication module, a metering module, a storage module, a liquid crystal display module, a power supply module and a 5G communication module.
Further, the main control module adopts an STM32 chip.
Furthermore, data of the downlink ammeter or the collector are copied and read through the 485 communication module, then the data are analyzed, processed and packaged, and the data are sent to the far-end signal receiving terminal bound with the fixed IP address and the port through the 5G communication module and then transmitted to the master station, so that 5G data transmission is achieved.
Further, the signal sending device is arranged at the root of the transformer, and a power line broadband carrier communication module is arranged in the signal sending device; the signal receiving terminal is installed at the wire inlet end or the wire outlet end of the branch box and the electric meter box, a wave trap is arranged in the signal receiving terminal and used for blocking 50Hz signals, and the signal receiving terminal has an ID code which is unique in the whole network through specific frequency signals.
Further, the signal sending device firstly obtains the ID codes of all the signal receiving terminals, sends voltage signals, controls the states of the signal receiving terminals, and automatically identifies the father nodes of all the branch boxes and the electric meter box, so that a topological graph of the whole transformer area is obtained.
Further, the fault diagnosis device carries out short-distance data transmission in a wireless network mode.
The invention has the positive effects that:
1. on the basis of a 5G environment, the on-line monitoring second-level data transmission is realized by utilizing a line topology structure diagram. The circuit fault can be timely found and accurately positioned, and meanwhile instantaneous current mutation data can be obtained.
2. And 5G technology is adopted, monitoring videos, images and theft data are uploaded through the mobile terminal in real time, and intelligent electricity utilization inspection is realized. Meanwhile, the law enforcement record video is uploaded in real time based on the 5G technology, so that the smooth development of law enforcement behaviors is ensured, and the safety of law enforcement personnel and equipment is also ensured to a certain extent.
3. When the line is not in fault, second-level signal acquisition is carried out on the current of the line, and the signal is transmitted to a background monitoring platform in real time, so that online load monitoring of the line is realized. Once a fault occurs, data waveforms (128 points per second) are acquired in real time 5 seconds before and after the fault is uploaded, and instantaneous current mutation data are obtained.
4. The fault area is judged according to the characteristics of the detected data in the line, and the alarm display is coated on the line map, so that the initial positioning of the fault is realized, and the fault can be found and eliminated more quickly.
Drawings
FIG. 1 is a schematic block diagram of the present invention;
fig. 2 is a schematic block diagram of a 5G data transmission module according to the present invention.
Detailed Description
As shown in fig. 1 and 2, the method comprises the following steps:
1. based on the 5G wireless communication technology, a test 5G data transmission base station is built for data transfer. The plug-and-play 5G data transmission module is designed to carry out high-speed transmission of big data. The STM32 chip with stable and reliable type selection performance of the main control chip of the 5G data transmission module meets the requirement on transmission rate in a complex environment, and the main module comprises an MCU control module, a 485 communication module, a USB module, an infrared communication module, a metering module, a storage module, a liquid crystal display module, a power supply module and a 5G communication module. The data of the downlink ammeter or the collector are read back through the 485 communication module, then the data are processed and packaged, and the data are sent to the remote 5G data receiving module bound with the fixed IP address and the port through the 5G module circuit and then are transmitted to the master station, so that 5G data transmission is achieved. Meanwhile, the 5G data transmission module realizes the plug and play of the module according to the structure and the data reading mode of the existing GPRS data transmission module.
2. Designing a low-voltage distribution network topology identification system consisting of a signal sending device and a signal receiving terminal, wherein a power line broadband carrier (HPLC) communication module is arranged in the signal sending device and is installed at the root of a transformer; the signal receiving terminal is internally provided with a wave trap for blocking 50Hz signals, has a unique ID code of the whole network through specific frequency signals, and is arranged at the inlet wire or outlet wire ends of the branch box and the electric meter box. The signal sending device firstly obtains the ID codes of all the signal receiving terminals, sends voltage signals, controls the states of the signal receiving terminals, and automatically identifies the branch boxes and father nodes of the electric meter box, so that a topological graph of the whole transformer area is obtained.
3. And a fault diagnotor is arranged on the line to acquire current data of the line. The fault diagnotor carries out short-distance data transmission in a wireless network mode such as a ZigBee mode or a WLAN mode. The line node is accessed with a 5G data concentrator, data collected by the electricity meter concentrator is decoded and processed by a 5G data transmission module and is converted into a format for data transmission in a public network, real-time data is transmitted to a data background of a monitoring center through a 5G wireless data network moving in China, and the data background is combined with a network topology structure to accurately position a fault position and give an alarm for the fault.
On the basis of a 5G environment, the invention adopts a 5G technology and utilizes a line topology structure chart to realize on-line monitoring second-level data transmission. The circuit fault can be timely found and accurately positioned, meanwhile, instantaneous current mutation data can be obtained, monitoring videos, images and stealing data are uploaded in real time through the mobile terminal, and intelligent electricity utilization inspection is achieved. Meanwhile, the law enforcement record video is uploaded in real time based on the 5G technology, so that the smooth development of law enforcement behaviors is ensured, and the safety of law enforcement personnel and equipment is also ensured to a certain extent.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (7)

1.一种基于5G的电力计量在线监测方法，其特征在于其包括如下步骤：1. A 5G-based power metering online monitoring method, characterized in that it comprises the steps: 基于5G无线通信技术，建立5G数据传输模块进行大数据传输；Based on 5G wireless communication technology, establish a 5G data transmission module for big data transmission; 建立由信号发送装置和信号接收终端组成的低压配电网拓扑识别系统，得到整个台区的拓扑图；Establish a low-voltage distribution network topology identification system composed of signal transmitting devices and signal receiving terminals, and obtain the topology map of the entire station area; 在线路上安装故障诊断器，采集线路的电流数据，故障诊断器将实时数据通过大数据传输模块传输给数据后台，数据后台结合网络拓扑结构定位故障位置，并对故障进行报警。A fault diagnostic device is installed on the line to collect the current data of the line. The fault diagnostic device transmits the real-time data to the data background through the big data transmission module. The data background combines the network topology to locate the fault location and alarm the fault. 2.根据权利要求1所述的一种基于5G的电力计量在线监测方法，其特征在于所述5G数据传输模块包括主控模块、MCU控制模块、485通信模块、USB模块、红外通信模块、计量模块、存储模块、液晶显示模块、电源模块以及5G通信模块。2. A 5G-based power metering online monitoring method according to claim 1, wherein the 5G data transmission module comprises a main control module, an MCU control module, a 485 communication module, a USB module, an infrared communication module, a metering modules, storage modules, liquid crystal display modules, power supply modules and 5G communication modules. 3.根据权利要求2所述的一种基于5G的电力计量在线监测方法，其特征在于所述主控模块采用STM32芯片。3. A 5G-based on-line monitoring method for power metering according to claim 2, wherein the main control module adopts an STM32 chip. 4.根据权利要求2或3所述的一种基于5G的电力计量在线监测方法，其特征在于通过485通信模块将下行电表或采集器的数据进行抄读，然后将数据进行解析、处理、打包，通过5G通信模块将数据发送给绑定有固定IP地址和端口的远端信号接收终端，进而传给主站，实现5G数据传输。4. A kind of 5G-based on-line monitoring method for power metering according to claim 2 or 3, characterized in that the data of the downlink meter or the collector is read and read by the 485 communication module, and then the data is parsed, processed, packaged , through the 5G communication module, the data is sent to the remote signal receiving terminal bound with a fixed IP address and port, and then transmitted to the main station to realize 5G data transmission. 5.根据权利要求1所述的一种基于5G的电力计量在线监测方法，其特征在于信号发送装置设置在变压器根部，且内置电力线宽带载波通信模块；5. A 5G-based power metering online monitoring method according to claim 1, characterized in that the signal sending device is arranged at the root of the transformer, and has a built-in power line broadband carrier communication module; 信号接收终端安装在分支箱和电表箱的进线端或出线端，且内置有陷波器，用于阻断50Hz信号，通过特定频率信号，具有全网唯一的ID码。The signal receiving terminal is installed at the incoming or outgoing end of the branch box and the meter box, and has a built-in wave trap to block the 50Hz signal. It has a unique ID code in the entire network through a specific frequency signal. 6.根据权利要求1或5所述的一种基于5G的电力计量在线监测方法，其特征在于信号发送装置首先获得所有信号接收终端的ID码，发送电压信号，控制信号接收终端的状态，自动识别各分支箱和电表箱的父节点，从而得到整个台区的拓扑图。6. A 5G-based on-line monitoring method for power metering according to claim 1 or 5, characterized in that the signal sending device first obtains the ID codes of all signal receiving terminals, sends voltage signals, controls the state of the signal receiving terminals, automatically Identify the parent nodes of each branch box and meter box to obtain the topology map of the entire station area. 7.根据权利要求1所述的一种基于5G的电力计量在线监测方法，其特征在于所述故障诊断器通过无线网络方式进行近距离数据传输。7 . The 5G-based on-line monitoring method for power metering according to claim 1 , wherein the fault diagnoser performs short-range data transmission through a wireless network. 8 .
CN202010894466.6A 2020-08-31 2020-08-31 A 5G-based online monitoring method for power metering Pending CN112218258A (en)

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CN114236257A (en) * 2021-10-26 2022-03-25 保定天威保变电气股份有限公司 Flexible-direct transformer signal monitoring system adopting 5G communication mode

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CN113625031A (en) * 2021-08-23 2021-11-09 中国联合网络通信集团有限公司 Smart meter terminal, MR data reporting system and method
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Application publication date: 20210112