105results about How to "Improve operation and maintenance efficiency" patented technology

This invention discloses a comprehensive management method and system for base station power consumption, belonging to the field of base station power consumption. The method includes: topological mapping of the access relationships of AC / DC equipment within the base station to form a hierarchical power consumption association list; dynamic clustering parsing of the list to generate a time-series evolution chain reflecting state changes and remote control history; constructing a device differentiation identification model based on the time-series evolution chain, determining abnormal metering factors and outputting candidate correction events; labeling the corresponding areas of the candidate events as local anomalies, and generating a correction reference group by fusing multi-source information such as meter readings and sensor data; dynamically iteratively correcting the global metering results based on the correction reference group, and generating intelligent management instructions by combining the corrected load sharing ratio and branch authorization strategy. The system includes corresponding functional modules. This invention can systematically solve the problems of unclear base station power consumption topology, inaccurate metering, and extensive management, achieving high-precision metering and automated intelligent control.

The utility model relates to the field of electric power system and high voltage switch equipment discloses vacuum circuit breaker with signal feedback mechanism, including arc extinguishing chamber, the bottom fixedly connected with mechanism box of arc extinguishing chamber, the outside of mechanism box is provided with quick -witted connection mechanism, the top fixedly connected with voltage transformer of quick -witted connection mechanism, the outside fixedly connected with base of mechanism box, the outside of base is provided with quick -witted break mechanism, quick -witted connection mechanism includes support connecting plate, the outside fixedly connected with air cylinder no.

The utility model discloses a kind of fresh air module and air conditioning equipment.New air module includes shell, centrifugal fan wheel and electric control box, shell includes first side plate, and first side plate is equipped with air pipe interface;Centrifugal fan wheel is arranged in shell, the axial direction of centrifugal fan wheel is parallel to first side plate, electric control box and air pipe interface are arranged along the length direction of first side plate with interval, the width direction of electric control box is parallel to the length direction of first side plate, the length direction of electric control box is parallel to the axial direction of centrifugal fan wheel, electric control box includes connected box body and box cover, and part of first side plate constitutes part of box body.The utility model discloses new air module, the box body of electric control box and the second part of first side plate share sheet metal part, cancel independent electric control box shell, not only reduce the quantity of parts, improve structure compactness, also reduce the mold development of electric control box sheet metal part, reduce manufacturing cost.And, the connecting procedure of electric control box and side plate is saved, and assembly and operation and maintenance efficiency are improved.

The utility model relates to the technical field of circuit breaker especially, a pole switch with image monitoring device, including high voltage capacitor electricity -taking power supply, camera device and 10KV high voltage circuit breaker, high voltage capacitor electricity -taking power supply and camera device are integrated in 10KV high voltage circuit breaker, and high voltage capacitor electricity -taking power supply obtains electric energy from high voltage line through 10KV high voltage circuit breaker, and high voltage capacitor electricity -taking power supply converts high voltage alternating current into low voltage direct current, and high voltage capacitor electricity -taking power supply powers camera device, and camera device is used for the monitoring of line, ground environment and forest fire prevention, and 10KV high voltage circuit breaker cuts off the line when detecting the fault. The utility model realizes real -time visual monitoring to high voltage line and its surrounding environment, can stably operate in the remote area without municipal power supply, solves the problem that traditional image acquisition equipment is difficult to deploy due to the lack of reliable power supply.

The application discloses a link detection method and device, an electronic device and an operation and maintenance system. The method comprises the following steps: determining at least two first sub-domains in a network based on the device state of each device in the network, wherein each sub-domain comprises at least one device; issuing a first message to a near-field integrated server, wherein the first message carries the path identification related to each first sub-domain in the at least two first sub-domains; sending a detection packet to a first loop, wherein the first loop is connected based on the first message; and obtaining the monitoring result of the first loop based on the measurement result corresponding to the detection packet reported by the at least two first sub-domains.

This invention discloses an automatic testing method for relay protection devices without configuration based on APPID information. The method involves real-time acquisition of messages from the device under test (DUT), parsing the APPID information of the GOOSE messages sent by the DUT, identifying the IEDname of the DUT based on the APPID information, identifying the bay to which the DUT belongs based on the IEDname, statistically analyzing the IEDname information of all devices within the bay, using regular expressions for matching, identifying IEDname information with the same category as the DUT, manually selecting IEDnames with bay-level association relationships with the DUT, extracting the APPID information of all IEDnames, constructing a message control block based on the APPID information, and outputting excitation quantities to complete the automatic testing of the relay protection device. This invention changes the traditional testing method for relay protection devices, enabling direct testing of protection devices without configuration files, and significantly enhancing the reliability of protection function verification and device linkage testing.

This invention discloses an automated operation and maintenance method, system, device, and medium for new electricity meters in a distribution network. The method includes: responding to a new meter association request uploaded by a metering terminal to verify if the new meter address exists in a preset metering archive; if not, creating a temporary file for the new meter and issuing a topology identification command to the metering terminal; receiving characteristic current analysis results and new meter data from the metering terminal; updating the temporary file based on the characteristic current analysis results, branches, phases, and new meter data, and synchronizing the updated temporary file to the marketing master station; receiving the operation and maintenance handheld device verification results forwarded by the marketing master station; if the verification passes, instructing the marketing master station to convert the temporary file into a formal marketing file, and instructing the metering terminal to write the formal marketing file into the new meter to achieve operation and maintenance. Therefore, this application can achieve efficient, accurate, and automated operation and maintenance management after the installation of new meters.

The application relates to the technical field of power system communication, and discloses an energy storage system communication protocol optimization method based on IEC61850, which comprises the following steps: embedding an extensible mask field in a message of an MMS confirmation type protocol data unit, preset bit positions of the extensible mask field one-to-one correspond to each interactive variable in the message, and the state of each bit position is used for representing the confirmation receiving state of the corresponding interactive variable; dividing each interactive variable into a key variable and a non-key variable according to the importance level of interactive data; and analyzing the extensible mask field at a receiving end. The key variable is instantaneously confirmed and the non-key variable is aggregated and replied through the extensible mask field, redundancy interaction is eliminated, batch control instruction response delay is reduced to the millisecond level, and thus the control communication delay is reduced; and the traditional fixed window limit is broken through, the MMS-TPO sending window scale is dynamically self-adaptively adjusted through real-time monitoring of link round trip time, the transmission stability is ensured, and the cluster total calling efficiency is greatly improved.

The utility model relates to a kind of three-phase voltage transformers of compartment, including shell and first, second single-phase mutual inductor, the top of shell is arranged three-phase, each phase includes a root of fusing tube, shell also includes three internal fusing tubes, the inner wall of the tube bottom of each internal fusing tube is arranged with spring contact finger, fuse is placed in tube, second nut is installed in tube mouth, the primary winding of first, second single-phase mutual inductor is electrically connected with first to fourth electrically conductive pole respectively, define three fusing tubes as first to third fusing tube, the other end of first electrically conductive pole is electrically connected with the spring contact finger of first fusing tube, the other end of second electrically conductive pole, third electrically conductive pole is electrically connected with the spring contact finger of second fusing tube, the other end of fourth electrically conductive pole is electrically connected with the spring contact finger of third fusing tube. Utilize a kind of three-phase voltage transformers of compartment designed by the utility model, can solve the problem of traditional three-phase voltage transformer common fusing tube, compact structure, increased operation and maintenance difficulty, reduced replacement efficiency.

The utility model discloses a highway is with photovoltaic board surface waterless cleaning robot, including steel cable traction moving mechanism, three -level dry type cleaning unit and control system. The moving mechanism is through corrosion -resistant guide cable traction equipment and reciprocates along photovoltaic array, and the bottom guide wheel is adapted to the inclined topography, and the cleaning unit is sequentially arranged roller brush, brush and scraper along the direction of travel, wherein roller brush is driven by the gear through rubber -tired drive, and the high -speed rotation of pinion is made to strip loose dirt by 1:5 speed increasing gear set, and the brush removes the adhered particle, and the silicone scraper removes the residue, and the cleaning unit is symmetrically distributed and is fixed through the square tube frame. The utility model realizes the waterless, high -efficient, low -energy -consumption automatic cleaning of photovoltaic board under the complex environment of highway, and solves the water resource dependence, topographic limitation and low cleaning efficiency problem of prior art.

The present invention relates to the technical field of operation and maintenance management, and specifically relates to an integrated operation and maintenance management system and method based on AIOps; the method includes: collecting multi-source IT operation and maintenance data and completing standardized preprocessing to form operation and maintenance data input in a unified format; classifying and storing the preprocessed data using a hybrid storage architecture, and implementing data synchronization through a cross-database synchronization tool to break data silos; performing intelligent analysis on the data based on the TensorFlow framework to generate fault diagnosis results and performance trend prediction data; generating operation and maintenance decisions according to the analysis results, and performing automatic repair, work order allocation or resource scheduling operations; outputting operation and maintenance management results, presenting data and decision execution situations through a visualization interface, and providing report generation and management configuration functions; through a full-process automated data processing and intelligent operation and maintenance decision-making mechanism with multi-module collaboration, the technical problems of slow fault response, weak data integration, low accuracy of risk prediction and low operation and maintenance efficiency in the traditional operation and maintenance mode are solved.

The invention discloses a laser power automatic adjusting method and system in a remote foreign matter removing process of a power transmission line, and the method comprises the steps: recognizing and positioning a foreign matter through an inspection image, analyzing the spatial position relation between the foreign matter and a power transmission line, preliminarily judging the contact state of the foreign matter, and outputting a contact risk level; analyzing the foreign matter, and constructing an initial thermal coupling risk parameter based on the contact risk level; controlling the laser to perform short-time irradiation on the foreign matter for a preset time length at the tentative power, and synchronously collecting thermal response characteristic information generated by the surface of the foreign matter in the irradiation process; based on the thermal response feature information, comparing with a preset thermal response reference model, dynamically judging the actual thermal coupling state between the foreign matter and the power transmission conductor, and correcting the initial thermal coupling risk parameter in real time according to a judgment result to obtain a corrected thermal coupling risk parameter; and according to the corrected thermal coupling risk parameter, gradually increasing the laser power of the laser to an effective clearing power interval so as to complete foreign matter clearing.

This utility model discloses a through-hole Hall current sensor, including a housing, a through-hole fuse, a magnetic ring, a Hall element, a circuit board, pins, contacts, and a socket. The magnetic ring, Hall element, and circuit board are fixed inside the housing. The magnetic ring has an air gap, and the Hall element is located in the air gap. The lower end of the Hall element is connected to the circuit board, and the pins are connected to the circuit board and extend out of the housing. The through-hole fuse passes through the housing and the internal magnetic ring, and both ends of the through-hole fuse are contacts. The socket includes a base plate, a slot, and a pin slot. The contacts are inserted into the slot and are in complete contact with the slot, and the pins are inserted into the pin slot and are in complete contact with the pin slot. In the actual operation and maintenance application of photovoltaic power plants, if a current sensor failure occurs, it can be directly hot-swapped, which greatly improves the operation and maintenance efficiency and reduces the operation and maintenance cost.

The utility model discloses a kind of detachable cleaning tools for photovoltaic power station operation and maintenance, to provide a kind of simple structure, installation is convenient, cleaning efficient solution.The tool includes mounting bracket and the cleaning structure set on it, and the lower end of mounting bracket is equipped with moving wheel and limiting wheel, and moving wheel axis is vertical, rolls on the upper end surface of photovoltaic panel frame, realizes stable movement;Limiting wheel axis is horizontal, and is attached to the front and rear end surface of frame, to prevent deviation.Setting adjusting device on mounting bracket, through adjusting groove, adjusting block, limiting plate and adjusting bolt control limiting wheel pressing force, adapt to different frame specifications, facilitate quick installation and disassembly.Cleaning structure 2 is through the comprehensive cleaning mode of air, water, wiping, compared with single scrubbing mode, with higher cleaning capacity and adaptability, can cope with different types of dirt.

This invention discloses an internet asset management method, relating to the fields of device operation and maintenance and asset management. The method includes: acquiring policy information of each internet device and configuring topology nodes according to the policy information of each internet device; wherein, the topology nodes include device nodes that perform address port translation operations and asset nodes that provide external services; configuring topology edges according to the policy information of the device nodes; wherein, the topology edges include translation edges describing address port mapping relationships and attribution edges describing the subordinate relationships between device nodes and asset nodes; and generating an asset link topology through a graph database based on the device nodes, asset nodes, translation edges, and attribution edges. The technical solution of this invention not only realizes automated operation and maintenance of internet assets, improving the security and operational efficiency of internet assets, but also optimizes the network resource management process, ensuring the timeliness of internet asset management.

The invention discloses a winch traction system steering pulley stress detection device, which belongs to the technical field of electric power circuit construction, and comprises a main body, a connecting shaft rotatably mounted on the main body, and a movable arm connected with the main body and provided with a roller, and further comprises a pressure sensor arranged on a stress path of the connecting shaft, the traction force sensor is used for detecting traction force borne by the steering tackle; the control panel is arranged in the main body, is electrically connected with the pressure sensor and is used for processing the traction force data; the positioning module is integrated on the control panel and is used for acquiring the position information of the steering pulley; the original invisible mechanical state is converted into real-time and accurate digital information with a position label, it is guaranteed that the signals collected by the sensor truly reflect the axial traction force borne by the tackle, the processes such as downhole pre-preparation and real-time detection in operation are omitted, the time consumption of single-time operation is shortened, and the operation and maintenance efficiency is greatly improved.

The present application relates to the technical field of equipment maintenance, and more particularly to an intelligent predictive equipment maintenance system, comprising a data acquisition module, a data processing module, a maintenance decision module, a maintenance execution module, a user interaction module and a closed-loop optimization module. The data acquisition module collects equipment operating parameters through the deployment of a sensor array to generate standardized data streams; the data processing module extracts time sequence features and performs state deduction through a virtual model to output fault analysis results; the maintenance decision module calls enterprise resource information for multi-objective optimization to generate a dynamic maintenance plan; the maintenance execution module assists in guiding the execution of maintenance through augmented reality and records data; the user interaction module dynamically displays equipment status and risk information; and the closed-loop optimization module updates model parameters based on feedback data. The system realizes predictive maintenance under data driving through module collaboration, effectively reduces unplanned downtime and resource waste, and improves fault diagnosis accuracy and operation and maintenance efficiency.

The utility model provides a kind of multi-channel high-speed storage backplane, including high-speed interface module, hard disk interface module, power supply module, management and control module and protection and maintenance module;The high-speed interface module is connected with mainboard by PCIe protocol;The hard disk interface module is connected with the high-speed interface module, for connecting and managing NVMe hard disk and SATA / SAS hard disk;The power supply module is for providing redundant power input for each module;The management and control module is connected with the hard disk interface module, for realizing the state monitoring and communication control to hard disk;The protection and maintenance module is connected with the power supply module and hard disk interface module, for realizing the circuit protection and hot plug function support to power supply and hard disk interface.The utility model has realized high-speed, stable and scalable data storage capacity, significantly improve the performance, reliability and operation efficiency under large-scale storage scene.

The application belongs to the technical field of optical communication, and discloses an environment-adaptive optical signal wavelength conversion and regeneration system and method; transient power fluctuation characteristics and rate characteristics are obtained by performing feature extraction on input signal light; the thermal environment state of a semiconductor optical amplifier is monitored by using reference light to determine a gain drift amount; the probe light power is dynamically configured based on the gain drift amount and the rate characteristics, and transient fine adjustment is performed on the bias current according to the transient power fluctuation characteristics; the input signal light and the dynamically configured probe light are coupled into the semiconductor optical amplifier, and conversion light is obtained by using cross gain modulation effect; the conversion light is subjected to code distortion evaluation, and pre-emphasis instructions are generated and fed back to the input signal light modulation link. The application realizes automatic compensation under environment change and effectively suppresses code distortion.

The invention discloses a loess plateau power grid facility coupling meteorological disaster risk dynamic assessment method and system. The method comprises the steps of obtaining static parameters, gridding meteorological forecast data and geographical geological data of primary equipment of a power grid in a target area; based on the static parameters, the gridded weather forecast data and the geographic and geological data, combining a pre-constructed risk assessment index model to obtain various risk indexes of the target equipment in the prediction time period; and determining the comprehensive risk level of the equipment by adopting a weighted fusion or most dangerous principle based on each risk index, and generating a risk distribution diagram and early warning information. The adaptive power grid equipment risk assessment method is constructed according to the meteorological geology characteristics of the loess plateau region, the problem of water and soil disability of a general model is solved, main meteorological disasters are comprehensively covered through five indexes, and the assessment result is more comprehensive and accurate; on the basis of weather forecast data, risk rolling assessment of several hours to several days in the future can be realized, passive response is changed into active defense, and the operation and maintenance efficiency is improved.

The application discloses a capacitor power-taking type feeder terminal based on Internet of Things and a self-adaptive fault processing method. The terminal comprises a control module, a capacitor power-taking module, a wide-range zero-sequence current sampling module and a fault processing module. The control module is used for receiving data of each module and generating a control instruction. The capacitor power-taking module is used for obtaining electric energy from a high-voltage line and monitoring a power-taking state in real time. The wide-range zero-sequence current sampling module is used for obtaining a zero-sequence current signal and calculating an actual value of the zero-sequence current. The fault processing module is used for identifying a fault position and a state. The application solves the problems of the existing FTU, such as unsafe power taking, low sampling precision, poor fault processing adaptability and low integration of Internet of Things, and realizes wide-range sampling linearity, fast phase-to-phase fault processing, high accuracy of ground fault positioning, and is suitable for 12kV outdoor pole-mounted switches, so that the reliability and operation and maintenance efficiency of a power distribution network can be improved.

The utility model discloses a drop type fuse porcelain bottle protection fixing frame, including protection fixing frame main part, fixed plate, fixed frame lock block, front and back inclination angle adjusting block, porcelain bottle fixed hook and install hook angle adapter. Through fixed frame lock block realizes and compound insulation cross arm's lock and unlock, the connecting portion cooperation front and back inclination angle adjusting block of main part side portion realizes inclination angle regulation, and four sets of adjusting holes are established to front and back inclination angle adjusting block, can realize four -bar length regulation, and porcelain bottle fixed hook is semicircular arc shape, and bottom is equipped with reinforcing rib adaptation porcelain bottle, and the angle adapter of side edge is convenient for insulating rod operation. The fixed frame installation is simple, and can be live operation, and adapts different installation distance and angle, can effectively prevent porcelain bottle from falling because of connecting piece failure, is applicable to 20KV and below transmission line, and service life is long.

This invention provides a method and system for detecting defects in rail fasteners using multi-source data fusion, comprising: acquiring and registering paired grayscale and depth images of fasteners; labeling fastener defects in each pair of images and constructing a multimodal dataset of rail fastener defects; inputting the grayscale and depth images of fasteners from the dataset into a multimodal rail fastener defect detection model, and outputting the fastener defect detection results. The model includes: a two-stream backbone network, a multimodal feature fusion network, and a head network; the two-stream backbone network is used to extract features from the input grayscale and depth images in parallel; the multimodal feature fusion network is used to fuse features of different modalities and scales; and the head network is used to identify and locate fastener defects of three different sizes: large, medium, and small. This invention can detect defects in rail fasteners.

This utility model discloses a vacuum automatic feeding device, belonging to the field of vacuum automatic feeding technology. It includes a dust collection box containing a filter device. The filter device includes a mounting plate with two rows of filter elements mounted on it. The mounting plate has through holes, and each filter element has a snap-fit ​​part that passes through the through holes. The snap-fit ​​part has a slot. A limiting device is mounted on the mounting plate, including two movable main snap-fit ​​plates. The two main snap-fit ​​plates are snapped into the slots to maintain the stability of the filter elements. A synchronizing element enables the main snap-fit ​​plates and auxiliary snap-fit ​​plates to move synchronously. Multiple filter elements can be installed or removed simultaneously. Compared to the traditional method of individual installation and removal, this significantly reduces maintenance time, improves equipment operation and maintenance efficiency, and reduces production downtime.

The application provides a gas cut-off valve cut-off monitoring system, which comprises a cut-off valve body, a support and a cut-off monitoring mechanism, wherein the cut-off valve body is connected to a gas conveying and distributing pipeline; the support is detachably arranged on the cut-off valve body to stably support the cut-off monitoring mechanism; the cut-off monitoring mechanism comprises a sensor and a trigger, one end of the trigger is connected to a valve rod of the cut-off valve body, and the other end is used as a trigger end; the valve rod drives the trigger to enter or leave the sensing range of the sensor, so as to convert the cut-off position of the cut-off valve into an on-off signal of the sensor; and the sensor is signal or electrically connected to a controller of an alarm device, so as to receive the cut-off signal of the sensor when the trigger end leaves the sensing range of the sensor, and control the alarm device to start alarm; in this way, maintenance personnel can quickly locate the cut-off point of the gas conveying and distributing pipeline, the operation and maintenance efficiency of a complex gas conveying and distributing system such as a gas pressure regulating station is effectively improved, and manpower is saved.

The utility model discloses a device convenient for online maintenance of a bucket elevator, which comprises an outer shell, an oil recharging assembly is arranged on the inner side of the outer shell, and a monitoring assembly is arranged above the oil recharging assembly, and relates to the technical field of online maintenance of bucket elevators. According to the device facilitating online overhauling of the bucket elevator, through cooperative operation of the integrated monitoring assembly and the oil supplementing assembly, a closed-loop management system for chain state monitoring and dynamic lubrication is built, the device can monitor the tension of the chain in real time and synchronously feed back the tension to the control system, the control system controls the oil supplementing assembly, and the oil supplementing efficiency is improved. Compared with a traditional manual inspection mode, manual inspection frequency can be greatly reduced, shutdown maintenance time can be shortened, operation and maintenance efficiency can be remarkably improved, operation continuity of the bucket elevator and stability of the production rhythm are effectively guaranteed, meanwhile, the oil supplementing assembly can accurately control the oil quantity, and the oil supplementing efficiency is improved. And the conditions of insufficient oil injection and excessive oil injection are prevented.

The utility model relates to monitoring technical field discloses a photovoltaic power station remote monitoring device based on three -dimensional digital twin technology, including function module and demonstration interaction module, function module and demonstration interaction module pass through communication unit electric connection, function module contains data acquisition unit, data processing unit, data storage unit and MCU chip unit, MCU chip unit contains MCU chip and heat dissipation component. In the utility model, through the multiple high accuracy sensors and IoT equipment integrated on photovoltaic power station, the image and operation data of power station are collected in real time, after data processing and storage, the photovoltaic power station is carried out three -dimensional real -time modeling and is shown in display screen and touch screen terminal by chip, realizes the remote monitoring and operation and maintenance management of power station, reaches real -time, intuitive, efficient control photovoltaic power station operating condition, improves operation and maintenance efficiency and the technical effect of fault response speed.

This invention relates to the field of defect identification technology, and more particularly to an image positioning and recognition system based on UAV inspection of wind turbine blades. The system includes an image positioning and recognition center, a data acquisition module, a detection preparation module, a flight control module, an attitude dynamic management module, a detection data module, a defect type identification module, a positioning visualization module, and an operation display module. This invention uses image recognition and blade sway amplitude for dual verification, initiating detection only when there is no impact or only a slight impact and the sway amplitude meets the standard, ensuring the rationality of the detection initiation conditions. During detection, analysis is performed from two dimensions: hovering position and hovering attitude, avoiding abnormal detection data caused by UAV position deviation or attitude anomalies. After screening out effective defect areas, accurate defect type identification is achieved. Furthermore, through coordinate transformation, an intuitive 3D model of the defective blade is generated, providing precise guidance for maintenance work and significantly reducing maintenance troubleshooting costs.

The application discloses a back pressure type steam turbine unit fault detection method and relates to the technical field of steam turbine unit state monitoring and fault diagnosis, and comprises the following steps: S1, multi-source heterogeneous data real-time acquisition: based on the core component distribution and fault sensitive area of the back pressure type steam turbine unit, a distributed sensor network is constructed; the application constructs a distributed sensor network covering multiple physical fields such as machinery, heat, acoustics, electricity and lubrication, provides a data basis with richness and accuracy for fault diagnosis, automatically focuses on the key features most related to faults through feature weighting fusion by adopting an attention mechanism, significantly improves the sensitivity and accuracy of subsequent model diagnosis, the integrated learning framework combines the advantages of different algorithms, has stronger generalization ability, the model has online incremental learning ability, can adapt to equipment degradation and working condition changes, and significantly improves the accuracy and positioning precision of fault classification.

This application provides a method, system, equipment, and medium for the operation and maintenance of equipment in underground engineering networks. By constructing a modular network architecture with one master and multiple slaves and a network operation and maintenance management software system, it achieves unified management, dynamic expansion, and proactive operation and maintenance of heterogeneous equipment in the underground engineering network. Specifically, the method includes: acquiring the equipment information set and network operation dataset of each device in the underground engineering network, wherein the underground engineering network adopts a modular network architecture with one master and multiple slaves; mapping the devices to logical resource entities based on the equipment information set; subsequently, generating a network topology diagram corresponding to the underground engineering network based on each logical resource entity; and finally, generating an equipment operation and maintenance diagram of the underground engineering network based on the network operation dataset and the network topology diagram. This method aims to improve the efficiency of equipment operation and maintenance in underground engineering networks.