CN-116723089-B - Meter reading link fault positioning method based on Internet of things

CN116723089BCN 116723089 BCN116723089 BCN 116723089BCN-116723089-B

Abstract

The invention discloses a meter reading link fault positioning method based on the Internet of things, which relates to the technical field of fault positioning, and aims to establish a meter reading link fault positioning analysis platform, set a plurality of branch meter reading terminals for collecting link data information, collect the link data information by the branch meter reading terminals and associate corresponding branch meter reading operators, divide a plurality of minimum unit to-be-discharged fault links, process the minimum unit to-be-discharged fault links to generate a plurality of shortest fault meter reading link paths, further divide the shortest fault meter reading link paths into a plurality of point positions, carry out secondary detection by the branch meter reading operators of a meter reading area, accurately position the point position where the fault occurs, and upload the position information of the point position into the meter reading link fault positioning analysis platform, thereby effectively improving the accuracy of meter reading link fault positioning.

Inventors

ZHAO FANG
JIANG JIANFENG
FENG JIAJUN
ZHOU JINGJING
ZHU WENJUN
SHEN YING
SHENG QING
HUANG LIANG
HUANG RUILI

Assignees

国网上海市电力公司

Dates

Publication Date: 20260508
Application Date: 20230516

Claims (5)

1. The meter reading link fault positioning method based on the Internet of things is characterized by comprising the following steps of: step S1, a meter reading link fault positioning analysis platform is established, and a plurality of sub meter reading terminals are arranged on a meter reading link; s2, processing source signals in a meter reading link by the sub meter reading terminal to generate link data information, and uploading the link data information to a meter reading link fault positioning analysis platform; S3, analyzing the link data information obtained by the meter reading link fault positioning analysis platform to determine the shortest fault meter reading link path; S4, dividing the shortest fault meter reading link path into a plurality of secondary detection nodes, sequentially detecting each secondary detection node, and accurately positioning all the nodes with faults; The creation process of the meter reading link fault positioning analysis platform comprises the following steps: Constructing a meter reading link fault positioning analysis platform, and arranging a link application unit in the meter reading link fault positioning analysis platform; The sub meter reading terminal inputs sub meter reading related information and link data information through the link application unit and checks the input sub meter reading related information; After the verification is passed, establishing an uploading space associated with the sub meter reading terminal and distributing a corresponding link private key; The secondary detection node is provided with a plurality of inductance elements, wherein the inductance elements are provided with current recording instruments, and the inductance elements are uniformly provided with standard current numerical ranges.
2. The meter reading link fault positioning method based on the internet of things according to claim 1, wherein the process of generating link data information in the sub meter reading terminal comprises the following steps: The method comprises the steps that a link formed between every two adjacent sub meter reading terminals is called a minimum unit to-be-discharged fault link, a plurality of minimum unit to-be-discharged fault links form a link network, a meter reading area is marked, and an area number is set as a unique identifier; acquiring a subsection meter reading number of each subsection meter reading terminal, wherein the subsection meter reading terminal with small number is a link starting point, the subsection meter reading terminal with large number is a link cut-off point, and a serial number pair is formed by the subsection meter reading terminal with large number and the subsection meter reading terminal as a link identifier of a minimum unit to-be-discharged fault link; Setting a signal transmitting unit at a link starting point and setting a signal receiving unit at a link stopping point; The signal transmitting unit is provided with a signal encoder and a signal transmitter, the signal receiving unit is provided with a signal decoder and a signal receiver, the source signal is encoded into a digital signal by the signal encoder and then transmitted by the signal transmitter, the digital signal is decoded into the source signal by the signal decoder and then received by the signal receiver, and the source signal is used for generating link data information; If the reception is successful, a "successful operation" is performed, and if the reception is failed, a "failed operation" is performed.
3. The method for locating meter reading link faults based on the internet of things according to claim 2, wherein the process of receiving the judgment of success or failure, namely "successful operation" and "failed operation", comprises the following steps: the signal receiver sets two communication states, wherein when the signal receiver receives successfully, the communication state is set to be 1, and when the signal receiver fails to receive, the signal receiver sets the communication state to be 0; The communication state is '1' corresponding to 'successful operation', the link cut-off point of the minimum unit to-be-discharged fault link is used as the link starting point of the connected minimum unit to-be-discharged fault link, and the source signal coding and transmitting operation and the digital signal decoding operation are carried out to obtain the source signal and receiving operation; recording link data information by the sub meter reading terminals at two ends of the minimum unit to-be-discharged fault link, merging and recording the communication state into the link data information, and uploading the link data information to a meter reading link fault positioning analysis platform; And the communication state is '0', corresponding to 'failure operation', and recording the link data information by the sub meter reading terminals arranged at the link starting point of the link to be arranged with the minimum unit to be failed and uploading the link data information to a meter reading link failure positioning analysis platform.
4. The meter reading link fault locating method based on the internet of things according to claim 3, wherein the process of generating the shortest fault meter reading link path comprises: acquiring link data information in a meter reading link fault positioning analysis platform and judging the communication state of the link data information; If the communication state is 0, acquiring a minimum unit to-be-excluded fault link corresponding to the link identifier, and setting the path as a shortest fault meter reading link path; If the communication state is 1, acquiring a serial number sequence pair of the link identifier corresponding to the minimum unit to-be-excluded fault link, setting a shortest path array, storing the serial number sequence pair into the array, and continuously acquiring and judging the communication states of all the minimum unit to-be-excluded fault links connected with the serial number sequence pair; if the communication state is not '0', continuing the operation of storing the number sequence pairs into an array until all the minimum units of a meter reading area are subjected to fault link troubleshooting; When the communication state is 0, stopping the operation of storing the serial number sequence pairs into the array, deriving the serial number pairs stored in the array, and setting the paths corresponding to the serial number pairs as paths to be selected of the fault meter reading link; and obtaining paths to be selected of all the fault meter reading links, and selecting one path with the shortest length as the path of the shortest fault meter reading link.
5. The meter reading link fault locating method based on the internet of things according to claim 4, wherein the process of accurately locating the nodes with faults of all the shortest fault meter reading link paths comprises the following steps: dividing a shortest fault meter reading link path into a plurality of secondary detection nodes; acquiring all sub meter reading terminals connected on the shortest fault meter reading link path, and acquiring sub meter reading responsible person information in sub meter reading associated information of the sub meter reading terminals; Notifying related sub meter reading responsible persons to carry out detection operation on a plurality of secondary detection nodes according to the information of the sub meter reading responsible persons; Carrying out local electrifying operation on the part between every two inductive elements, if the current value recorded by the inductive recorder is not in the standard current value range, setting the inductive recorder as a fault point, numbering the fault point of the setting point, and recording the fault point into a subsection meter reading terminal; obtaining an area number, a subsection meter reading number, a link identifier and a fault point number to generate a precise fault positioning identifier sequence, and uploading the precise fault positioning identifier sequence to a meter reading link fault positioning analysis platform through an uploading space to complete fault positioning.

Description

Meter reading link fault positioning method based on Internet of things Technical Field The invention relates to the technical field of fault location, in particular to a meter reading link fault location method based on the Internet of things. Background The traditional meter reading link fault positioning method only can position the approximate area or a certain link where the fault occurs, cannot achieve accurate positioning of a single fault point, and causes huge consumption of fault checking time, and most of traditional fault checking is uniformly arranged for personnel to process, cannot be divided into regional configuration responsible persons, and is a problem which needs to be solved by people how to position the single fault point of the meter reading link and reasonably distribute the regional responsible persons. Disclosure of Invention The invention aims to provide a meter reading link fault positioning method based on the Internet of things. The invention aims at realizing the meter reading link fault positioning method based on the Internet of things, which comprises the following steps: step S1, a meter reading link fault positioning analysis platform is established, and a plurality of sub meter reading terminals are arranged on a meter reading link; s2, processing source signals in a meter reading link by the sub meter reading terminal to generate link data information, and uploading the link data information to a meter reading link fault positioning analysis platform; S3, analyzing the link data information obtained by the meter reading link fault positioning analysis platform to determine the shortest fault meter reading link path; And S4, dividing the shortest fault meter reading link path into a plurality of secondary detection nodes, sequentially detecting the secondary detection nodes, and accurately positioning all the nodes with faults. Further, the creating process of the meter reading link fault positioning analysis platform comprises the following steps: Constructing a meter reading link fault positioning analysis platform, and arranging a link application unit in the meter reading link fault positioning analysis platform; The sub meter reading terminal inputs sub meter reading related information and link data information through the link application unit and checks the input sub meter reading related information; after the verification is passed, establishing an uploading space associated with the sub meter reading terminal and distributing a corresponding link private key. Further, the processing and recording process of the link data information in the sub meter reading terminal comprises the following steps: The method comprises the steps that a link formed between every two adjacent sub meter reading terminals is called a minimum unit to-be-discharged fault link, a plurality of minimum unit to-be-discharged fault links form a link network, a meter reading area is marked, and an area number is set as a unique identifier; acquiring a subsection meter reading number of each subsection meter reading terminal, wherein the subsection meter reading terminal with small number is a link starting point, the subsection meter reading terminal with large number is a link cut-off point, and a serial number pair is formed by the subsection meter reading terminal with large number and the subsection meter reading terminal as a link identifier of a minimum unit to-be-discharged fault link; Setting a signal transmitting unit at a link starting point and setting a signal receiving unit at a link stopping point; The signal transmitting unit is provided with a signal encoder and a signal transmitter, the signal receiving unit is provided with a signal decoder and a signal receiver, the source signal is encoded into a digital signal by the signal encoder and then transmitted by the signal transmitter, the digital signal is decoded into the source signal by the signal decoder and then received by the signal receiver, and the source signal is used for generating link data information; If the reception is successful, a "successful operation" is performed, and if the reception is failed, a "failed operation" is performed. Further, the process of receiving the success or failure determination, the "success operation" and the "failure operation" includes: the signal receiver sets two communication states, wherein when the signal receiver receives successfully, the communication state is set to be 1, and when the signal receiver fails to receive, the signal receiver sets the communication state to be 0; The communication state is '1' corresponding to 'successful operation', the link cut-off point of the minimum unit to-be-discharged fault link is used as the link starting point of the connected minimum unit to-be-discharged fault link, and the source signal coding and transmitting operation and the digital signal decoding operation are carried out to obtain the source signal and receiving operation