CN-122017458-A - Distributed cable safety online monitoring method

CN122017458ACN 122017458 ACN122017458 ACN 122017458ACN-122017458-A

Abstract

The invention discloses a distributed cable safety online monitoring method, which relates to the technical field of cable safety monitoring, and comprises the steps of obtaining cable connection information, constructing a cable topological structure based on the cable connection information, configuring a corresponding storage structure corresponding to the cable topological structure in a monitoring platform, deploying a butt joint layer corresponding to the storage structure, wherein the butt joint layer comprises a positioning layer, a butt joint area and a plurality of butt joints, collecting operation information of a cable in real time, storing the operation information into the storage structure of the corresponding cable topological structure, and obtaining prompt information of the positioning layer, wherein the prompt information comprises an unauthorized network and an access position of the unauthorized network on the positioning layer. According to the invention, only a small number of butt joints are required, and the butt joint of an unauthorized network is realized through the cooperation of the butt joints, the positioning layer and the butt joint area, so that the safety of operation data can be ensured, the operation quantity of system deployment can be reduced, and the operation pressure of the system can be reduced.

Inventors

GE ZHAOXIN
WANG SHANQING
JIA MENG
LI SHIBIN
SUN CHUANJING
LIU WENGE
XIE XIANGBO
ZHANG YANG

Assignees

国网山东省电力公司郯城县供电公司

Dates

Publication Date: 20260512
Application Date: 20260224

Claims (7)

1. The distributed cable safety online monitoring method is characterized by comprising the following steps of: Acquiring cable connection information, constructing a cable topological structure based on the cable connection information, configuring a corresponding storage structure corresponding to the cable topological structure in a monitoring platform, and deploying a docking layer corresponding to the storage structure, wherein the docking layer comprises a positioning layer, a docking area and a plurality of docking points; Acquiring the operation information of the cable in real time, and storing the operation information into a storage structure of a corresponding cable topological structure; Acquiring prompt information of a positioning layer, wherein the prompt information comprises an unauthorized network and an access position of the unauthorized network on the positioning layer, and enabling a docking point to dock the unauthorized network according to the corresponding prompt information; generating a signal frequency distribution diagram based on the Fourier transformation, taking the part exceeding the preset frequency in the distribution diagram as a high-frequency part, and taking the cable corresponding to the high-frequency part as an abnormal leakage cable.
2. The method for online monitoring of distributed cable security as recited in claim 1, wherein the step of obtaining cable connection information, constructing a cable topology based on the cable connection information, configuring a corresponding storage structure in the monitoring platform corresponding to the cable topology, and deploying a docking layer corresponding to the storage structure comprises the steps of: Acquiring a connection structure of a cable, components participating in cable connection and cable length as cable connection information; constructing a cable topological structure according to the cable connection information and storing the cable topological structure in a monitoring platform; Configuring a corresponding storage space in the monitoring platform corresponding to the cable topological structure, and carrying out structural layout on the storage space according to the cable topological structure to obtain a storage structure; and arranging a butt joint area outside the storage structure, arranging a positioning layer outside the butt joint area, and arranging a plurality of butt joint points inside the butt joint area to obtain the butt joint layer.
3. The method for monitoring the safety of the distributed cable according to claim 2, wherein the step of disposing a docking area outside the storage structure, disposing a positioning layer outside the docking area, disposing a plurality of docking points inside the docking area, and obtaining the docking layer comprises the steps of: Determining a protection space in a monitoring platform, placing a storage structure in the protection space, and setting a butt joint area positioned outside the storage structure in the protection space; Setting a grid network and a plurality of docking points in the docking area, wherein the grid network is obtained by connecting a plurality of network nodes, and the plurality of docking points are randomly arranged in the grid network of the docking area; Setting a data layer in an area, which is positioned at the outer layer of the butt joint area, and setting a positioning grid on the data layer to obtain a positioning layer, wherein the positioning grid is obtained by connecting a plurality of adjacent data layer nodes, a corresponding relation between the positioning grid and a network grid is established, and a channel is established between the data layer nodes of the positioning grid and the network nodes of the network grid according to the corresponding relation.
4. The method for online monitoring security of a distributed cable according to claim 3, wherein a mesh network and a plurality of docking points are disposed in the docking area, wherein the mesh network is connected by a plurality of network nodes, and the plurality of docking points are randomly disposed in the mesh network in the docking area, and the method comprises the steps of: Setting a plurality of uniformly distributed network nodes in the butt joint area, and connecting the adjacent network nodes to obtain a network grid; A plurality of butt joints are arranged in the butt joint area, wherein the butt joints comprise butt joint ends and subspaces connected with the butt joint ends; the plurality of docking points are randomly connected with the network nodes and the channels between the grid nodes through the docking ends respectively.
5. The method for online monitoring of distributed cable security as recited in claim 4, wherein the step of collecting the operation information of the cable in real time and storing the operation information in a storage structure of a corresponding cable topology comprises the steps of: Setting a plurality of detection points in the cable, wherein the detection points comprise a current sensor and a voltage monitor, and acquiring operation information of the cable through the detection points, wherein the operation information comprises current information and voltage information; authorizing an uploading channel for connecting a detection point with a storage structure in a butt joint layer; And transmitting the operation information to a storage structure corresponding to the cable topological structure through an uploading channel based on the detection point for storage.
6. The method for online monitoring of distributed cable security as recited in claim 5, wherein said step of enabling said docking point to dock with an unauthorized network comprises: When an unauthorized network accesses the data layer, the unauthorized network is pulled to the nearest data layer node through the positioning grid, the unauthorized network is transmitted to the channel through the data layer node, the channel is triggered to be correspondingly prompted by the network node on the network grid and used as an abnormal node, and the nearest butt joint point to the abnormal node is started to be used as a target butt joint point through the network grid; And moving the target docking point to the position of the abnormal node to replace the abnormal node, and docking the unauthorized network through the target docking point.
7. The method for monitoring the safety of the distributed cable according to claim 1, wherein the step of generating a distribution diagram of the signal frequency in time based on the operation information by the Fourier transform, using a part exceeding a preset frequency in the distribution diagram as a high-frequency part, and using a cable corresponding to the high-frequency part as an abnormal leakage cable comprises the steps of: Generating a signal frequency profile over time based on the fourier transform of the current information and the voltage information, the profile comprising The axis is the time of the rotation of the spindle, Current profile and axis of current The axis is the time of the rotation of the spindle, The axis is the voltage distribution diagram of the voltage; the method comprises the steps of setting preset frequencies of a current distribution diagram and a voltage distribution diagram respectively, taking the parts exceeding the corresponding preset frequencies in the current distribution diagram and the voltage distribution diagram as high-frequency parts, and taking cables corresponding to the high-frequency parts as abnormal leakage cables.

Description

Distributed cable safety online monitoring method Technical Field The invention relates to the technical field of cable safety monitoring, in particular to a distributed cable safety online monitoring method. Background Along with the continuous development of a power system and the acceleration of a urbanization process, a cable plays an important role in the power system as an important channel of electric energy transmission, operation data of the cable can be collected and stored when the cable is subjected to distributed monitoring, cable faults are analyzed according to the stored data, however, potential safety hazards exist in the existing power data storage process, an unauthorized network can exist for accessing the stored power data, leakage and change of the power data are caused, and further the power safety and the cable fault analysis result are affected. Disclosure of Invention The invention aims to provide a distributed cable safety online monitoring method which aims to solve the defects in the background technology. In order to achieve the purpose, the invention provides the technical scheme that the distributed cable safety on-line monitoring method comprises the following steps: Acquiring cable connection information, constructing a cable topological structure based on the cable connection information, configuring a corresponding storage structure corresponding to the cable topological structure in a monitoring platform, and deploying a docking layer corresponding to the storage structure, wherein the docking layer comprises a positioning layer, a docking area and a plurality of docking points; Acquiring the operation information of the cable in real time, and storing the operation information into a storage structure of a corresponding cable topological structure; Acquiring prompt information of a positioning layer, wherein the prompt information comprises an unauthorized network and an access position of the unauthorized network on the positioning layer, and enabling a docking point to dock the unauthorized network according to the corresponding prompt information; generating a signal frequency distribution diagram based on the Fourier transformation, taking the part exceeding the preset frequency in the distribution diagram as a high-frequency part, and taking the cable corresponding to the high-frequency part as an abnormal leakage cable. In a preferred embodiment, the step of obtaining the cable connection information, constructing a cable topology based on the cable connection information, configuring a corresponding storage structure in the monitoring platform corresponding to the cable topology, and deploying the docking layer corresponding to the storage structure includes: Acquiring a connection structure of a cable, components participating in cable connection and cable length as cable connection information; constructing a cable topological structure according to the cable connection information and storing the cable topological structure in a monitoring platform; Configuring a corresponding storage space in the monitoring platform corresponding to the cable topological structure, and carrying out structural layout on the storage space according to the cable topological structure to obtain a storage structure; and arranging a butt joint area outside the storage structure, arranging a positioning layer outside the butt joint area, and arranging a plurality of butt joint points inside the butt joint area to obtain the butt joint layer. In a preferred embodiment, the step of disposing a docking area outside the storage structure, disposing a positioning layer outside the docking area, disposing a plurality of docking points inside the docking area, and obtaining the docking layer includes: Determining a protection space in a monitoring platform, placing a storage structure in the protection space, and setting a butt joint area positioned outside the storage structure in the protection space; Setting a grid network and a plurality of docking points in the docking area, wherein the grid network is obtained by connecting a plurality of network nodes, and the plurality of docking points are randomly arranged in the grid network of the docking area; Setting a data layer in an area, which is positioned at the outer layer of the butt joint area, and setting a positioning grid on the data layer to obtain a positioning layer, wherein the positioning grid is obtained by connecting a plurality of adjacent data layer nodes, a corresponding relation between the positioning grid and a network grid is established, and a channel is established between the data layer nodes of the positioning grid and the network nodes of the network grid according to the corresponding relation. In a preferred embodiment, the step of setting a mesh network and a plurality of docking points in the docking area, wherein the mesh network is obtained by connecting a plurality of network nodes, and the plurality of d