1453 results about "Overhead line" patented technology

The invention discloses an operation state fault monitoring method, system and device for a heavy-load overhead line, and relates to the technical field of electrical fault detection of the heavy-load overhead line. The method comprises the following steps: injecting a high-frequency test signal into a heavy-load overhead line to carry out predefined fault detection so as to obtain a total harmonic distortion rate; performing first harmonic optimization adjustment according to comparative analysis of the total harmonic distortion rate and a threshold value; performing harmonic second optimization adjustment according to the monitoring analysis result of the external load fluctuation of the heavy-load overhead line; and performing harmonic third optimization adjustment according to the monitoring analysis result of the external environment fluctuation of the heavy-load overhead line. According to the invention, through multi-stage distribution adjustment, the effect of improving the dynamic regulation and control accuracy of the high-frequency test signal injection fault monitoring method of the heavy-load overhead line in extreme weather is achieved; the problem of insufficient dynamic regulation and control accuracy of a high-frequency test signal injection fault monitoring method of a heavy-load overhead line in extreme weather exists.

The invention provides an overhead line state evaluation method and system based on a digital twinborn technology. The method comprises the following steps: extracting meteorological data influencing a wire from overhead line meteorological monitoring data; based on the meteorological data, a pre-constructed digital twinborn system is used to calculate and determine whether the overhead line has a risk; and when the overhead line has a risk, issuing early warning information by using a pre-constructed digital twin system. According to the method, physical entities are digitally mapped to elements such as equipment, channels, environments and events for a set of multiple service scenes, equipment states are analyzed in combination with monitoring data or forecast data, physical equipment operation and maintenance are fed back, repeated iteration is carried out, and an entity world on the physical dimension and a digital world on the information dimension coexist and are virtually and actually fused; the collaboration of various digital, intelligent and automatic means is improved, the systematicness, continuity and integrity of equipment state evaluation are improved, and lean management and upgrading of equipment are supported.

The invention relates to the technical field of cable fault diagnosis and positioning, in particular to a cable fault positioning method and system based on multi-source data space-time correlation, and the method comprises the steps: obtaining partial discharge, traveling wave and temperature multi-source monitoring data from a high-voltage cable-overhead line hybrid power transmission network; on the basis of space-time correlation analysis of partial discharge and temperature data, heat-electricity associated defect points are calibrated; comparing traveling waves of the cable and the overhead line, and identifying and inhibiting cross-domain propagation interference; positioning the traveling wave data which are not identified to obtain temporary coordinates, judging fault characteristics by fusing information such as sheath ring current and the like, and comparing the temporary coordinates with defect points to generate matching identification; and inputting multi-dimensional information such as fault features, defect matching identification and temperature into the fusion model, calculating the confidence coefficient of a fault mode, and outputting a cross validation positioning result. According to the invention, high-reliability positioning of mixed line faults and active early warning of insulation defects are realized by carrying out space-time correlation and fusion decision on multi-source monitoring quantities such as traveling waves, partial discharge, circulation, temperature and the like.

The invention discloses an overhead line-high voltage cable sheath lightning stroke induced voltage calculation method. At present, the voltage of a lightning stroke point, a connection point of an overhead line and a cable and a point in a well of each joint along a cable sheath cannot be obtained at the instantaneous moment of lightning stroke of the overhead line on site. According to the method, electromagnetic transient simulation modeling is carried out on actual spatial positions, structural parameters and material parameters of field overhead lines and high-voltage cables, electromagnetic transient simulation modeling is carried out on lightning currents, electromagnetic transient modeling is carried out on normal operation conditions and actual lightning stroke fault conditions of an electric power system, and after the randomness of the fault occurrence moment is considered, the electromagnetic transient simulation modeling is carried out on the actual lightning stroke fault conditions of the electric power system. And the maximum lightning stroke induced voltage value of each point along the cable sheath after lightning stroke is calculated through electromagnetic transient simulation software, so that a reference basis is provided for insulation matching design of the cable sheath of the overhead line-cable mixed line invaded by lightning current, and a foundation is laid for design evaluation of various subsequent voltage limiters and protectors.

The invention discloses a self-adaptive evaluation method and system for the running state of a contact network. The method comprises the following steps: constructing a contact network operation state evaluation index system, and obtaining time sequence detection data of each evaluation index; dynamically calculating the length of an adaptive window at the current evaluation moment, and extracting a nearest data subset matched with the length of the adaptive window from the time sequence detection data; using an improved CRITIC method to calculate and obtain a first objective weight vector; updating the gain coefficient vector, and calculating a second objective weight vector; combining the second objective weight vector with a subjective weight vector determined by an analytic hierarchy process by adopting a combined weight method to generate a final combined weight vector, and evaluating the running state of the overhead line system at the current evaluation moment until the evaluation task is finished; according to the method and the system, the accuracy and the timeliness of state evaluation of the overhead line system are effectively improved.

The invention relates to a rail contact network parameter high-precision measurement method and system based on a multi-dimensional coupling algorithm, and solves the problems that manual measurement precision is insufficient, continuous collection is difficult, operation is hindered in a severe environment, and safety risks exist in workers. Calculating an initial rail width, generating a rail width reference through temperature compensation, and synchronously combining inertial measurement data to establish a space reference coordinate system; re-calibrating the parameters, comparing with the attitude angle, updating the reference if the parameters exceed the threshold value, and otherwise, compensating and filtering the sensing data; then, a measured point of the contact network is tracked, a holder is adjusted for alignment, and finally, a three-dimensional coordinate, a guide height and a pull-out value are calculated and output by fusing multi-source data. The method has the advantages that high-precision and automatic measurement of the geometric parameters of the overhead line system is achieved, the safety risk and the efficiency bottleneck of manual measurement are remarkably reduced, and reliable data support is provided for intelligent operation and maintenance of railways.

The invention discloses an MEMS and TMR fused overhead line lightweight monitoring device, and the device comprises an annular shielding cover which sleeves a to-be-detected overhead conductor and is coaxial with the to-be-detected overhead conductor, and the side wall of the annular shielding cover is provided with a through hole; the sensing unit comprises at least two MEMS electric field sensors and at least two TMR magnetic field sensors and is used for detecting an electric field and a magnetic field generated by the overhead conductor to be detected; the analysis processing unit is used for receiving, processing and transmitting the signal generated by the sensing unit; and the power supply unit is arranged in the annular shielding cover and is electrically connected with the sensing unit and the analysis processing unit. The beneficial effect of the invention is that the coupling crosstalk phenomenon generated by an external electromagnetic field can be effectively suppressed. Moreover, the monitoring device is small in size, is convenient to install and deploy in a complex line environment, provides a stable hardware basis for precise inversion of voltage and current through structural cooperation, and provides reliable support for intelligent monitoring of an overhead line.

The invention belongs to the technical field of railway inspection, and particularly relates to a contact network safety inspection while shooting device based on image recognition, which comprises an acquisition end, an intelligent analysis end and an observation panel, the acquisition end is fixedly mounted on a train, and is used for synchronously acquiring continuous visible light images and infrared images of a contact network in the running process of the train, and transmitting the images to the intelligent analysis end in real time through a high-speed low-delay link; the intelligent analysis end calls a mirror image progressive multivariate fusion defect inference algorithm to generate a mirror image grid sequence, and grid correspondence is carried out on the visible light image and the infrared image in a virtual mirror image plane; a focusing clear frame is extracted after each time of sliding; multivariate feature fusion is carried out on the focusing clear frame, and a fusion result enters a defect candidate set. According to the invention, real-time and accurate inspection of catenary defects is realized in a high-speed operation and complex environment.

The invention discloses a method and a device for monitoring the running state of a railway overhead line system. The method comprises the following steps: receiving environmental data acquired by various sensors; the environment data comprises at least one of humidity data, wind speed data, temperature data, ultraviolet intensity data and electromagnetic induction intensity signals; predicting the environmental data through a pre-established risk prediction model to obtain a predicted contact network risk level; wherein the risk prediction model is established based on historical environment data; based on historical fault data, the environment data and an actual detection result, the contact network state is evaluated, and a contact network state evaluation grade is obtained; and generating early warning information according to the contact network risk level and the contact network state evaluation level. According to the invention, operation state monitoring, risk level discrimination and intelligent early warning linkage based on multi-source data can be realized, so that the safety and operation and maintenance efficiency of the contact network system are improved.

The invention provides an enhanced YOLOv10-based electrified railway overhead line system insulator defect detection method, system and equipment and a medium. The method comprises the following steps: acquiring an overhead line system insulator image of a target scene through a shooting device and automatic inspection equipment; marking contact network insulators and defects in the contact network insulator image by using a marking tool, and dividing the marked image into a training set and a verification set according to a preset proportion; performing model training on the basis of the training set and the verification set, and introducing a lightweight OfficientViT module, a Wise-IoU loss function and a knowledge distillation technology in the training process to obtain a contact network insulator defect detection model based on YOLOv10; and inputting the obtained image of the to-be-detected overhead line system insulator into the overhead line system insulator defect detection model to obtain a defect detection result. The method provided by the invention improves the accuracy and efficiency of insulator defect detection.

The invention relates to the technical field of power system monitoring and fault diagnosis. The invention provides an overhead line drop-out fuse monitoring method, system and device and a storage medium, and the method comprises the steps: obtaining the temperature data of a drop-out fuse, the current data of a line where the drop-out fuse is located, and the surrounding environment parameter data of the position where the drop-out fuse is located, and obtaining an initial data set; preprocessing the initial data set, and extracting key features to obtain a feature data set; based on the feature data set, constructing a temperature-current-environment coupling model, performing multi-dimensional correlation analysis on the feature data set, and dynamically calculating a real-time operation risk index of the drop-out fuse; and if the real-time operation risk index exceeds a preset threshold value, triggering a grading early warning mechanism, and synchronously generating a diagnosis report containing an abnormal parameter, position information and a timestamp. The problem that in the prior art, a traditional manual inspection mode is difficult to meet the requirement for monitoring the temperature of the overhead line drop-out fuse terminal in real time is solved.

The invention belongs to the technical field of image processing, and particularly relates to a contact network defect identification method based on multiple modalities, which comprises the following steps of: 1, acquiring a visible light image sequence and an infrared thermal imaging image sequence of a target contact network, and carrying out time alignment and temperature calibration to obtain a unified reference frame sequence and a thermal vision consistency label set; 2, constructing a structure change graph and an overheat candidate graph in the obtained unified reference frame sequence, calling a cross-modal physical semantic autocatalysis recombination algorithm, and taking a generated thermal vision consistency label set as a constraint; and step 3, taking the output fusion evidence body as input, combining the thermal vision consistency label set and the reversible channel audit record to verify the candidate area, obtaining a defect target, and outputting a defect category and a defect position. According to the method, the precision and stability of defect detection are improved, the traceability of the result is also realized, and a reliable guarantee is provided for intelligent operation and maintenance of the electrified railway overhead line system.

The invention provides a fault positioning method and system for an overhead line of a power distribution network, and a storage medium. The method comprises the steps of obtaining a plurality of fault traveling wave magnetic field signals; performing the following steps on any signal: performing phase-mode transformation on the signal, extracting and decomposing a line mode component, determining a modulus maximum point, and determining the time corresponding to the point as a first fault traveling wave head arrival moment; carrying out clock synchronization on the moment, and obtaining a wave head arrival moment of a second fault traveling wave; obtaining a to-be-detected fault point and a line parameter; based on the wave head arrival moments of the plurality of second fault traveling waves, extracting a head end arrival moment and a tail end arrival moment; and performing fault positioning on the overhead line of the power distribution network based on the head end arrival time, the tail end arrival time and the fault line parameters. According to the fault positioning method for the overhead line of the power distribution network, interference to normal operation of the power distribution network can be avoided, and high-precision non-intrusive positioning of the overhead line of the power distribution network is realized through the tunneling magnetoresistive sensor.

The invention relates to the technical field of line crane warning, in particular to an overhead line trend intelligent crane sentry warning method and system based on Beidou positioning. The method comprises the steps that base station data information including power transmission tower pole and line trend data is acquired based on Beidou positioning, and construction crane position information is monitored in real time; respectively constructing a power transmission line corridor model and a warning tape model based on the acquired data; carrying out model integration and optimization on the constructed power transmission line corridor model and the warning tape model; generating early warning information based on the integrated and optimized model; and carrying out sentry alarm on the construction crane based on the generated early warning information. Real-time monitoring of numerous power transmission tower and power transmission line corridor areas, including power grid power transmission line channel display, crane equipment map point location display, crane early warning track display and the like, can be realized.

The invention discloses an online monitoring method and system for an overhead line system tower, and relates to the field of transmission systems of measured values, in the method, when the 4G signal intensity of an area where the overhead line system tower is located is larger than a preset area signal intensity threshold value, a 4G communication module is started to transmit inclination angle data of the overhead line system tower to a monitoring center; when the 4G signal intensity is not greater than a preset area signal intensity threshold value, starting a satellite communication module to transmit the inclination angle data to a monitoring center; when it is detected that the inclination angle data is larger than a preset inclination angle threshold value, historical inclination angle data of the overhead line system tower are obtained; calculating a tilt change trend based on the historical tilt angle data; and determining an early warning level according to the inclination change trend, and sending early warning information corresponding to the early warning level to a corresponding terminal. According to the invention, reliable real-time monitoring and timely early warning of the overhead line system tower under various communication conditions are realized through a 4G and satellite communication dual-module switching transmission mechanism in combination with inclination data trend analysis and graded early warning.

The invention relates to the technical field of power transmission and distribution overhead lines, and discloses a power transmission and distribution overhead line ground wire monitoring method, a positioning forwarding circuit and a device, which are used for improving the accuracy and efficiency of ground wire hanging and dismounting management. The power transmission and distribution overhead line grounding wire monitoring method comprises the steps of obtaining operation task information, obtaining and selecting a target tower, and performing navigation operation based on geographic coordinates of the target tower; after a navigation designated position is reached according to the navigation information, a mobile terminal is used for carrying out coordinate positioning checking on a target tower, grounding hitching operation processing is carried out after checking is correct, hitching position coordinates and real-time hitching and detaching state information of a target grounding wire are collected in real time through a grounding wire monitoring device, and whether hitching succeeds or not is judged through a cloud server side; if hitching is successful, hitching success confirmation information is displayed on the mobile terminal, the operation state is updated, and hitching success records and related information are stored in a database.

The invention provides a catenary deicing machine capable of automatically crossing a dropper, which can cross a dropper main body on a catenary main body and comprises a rack, a walking mechanism capable of walking on the catenary main body is arranged on the rack, and a cleaning mechanism and two groups of mounting frames arranged at intervals are further arranged on the rack. A gap for a contact network body to penetrate through is formed between the two sets of installation frames, multiple sets of installation bases are fixedly arranged in the two sets of installation frames and are arranged in a staggered mode, multiple sets of movable bases installed in a sliding mode are arranged in the installation frames, first elastic pieces are arranged between the movable bases and the installation bases, and hanging wheels are arranged on the movable bases. And the change gear shields a gap between the two groups of mounting frames. According to the deicing machine, the droppers can be automatically avoided when the overhead line system main body is deiced, so that continuous deicing operation is realized, the deicing machine does not need to be disassembled and assembled again when the overhead line system main body passes through the droppers, and the practicability and the deicing efficiency of the deicing machine are effectively improved.

The invention discloses a control system and method for a steel wire traction type overhead rail inspection robot with a sliding contact line, and relates to the technical field of modern industry and infrastructure construction.The system comprises a steel wire traction control module and traction devices connected with the two ends of a rail through steel wires, the traction devices are provided with servo motors, and the servo motors are used for driving traction wheels to rotate; the movement control of the inspection robot along the track is realized; the sliding contact line power supply control module comprises a sliding contact line laid along the track and a power taking device carried by the inspection robot, and the sliding contact line is matched with the power taking device and used for providing continuous and stable power supply control for the inspection robot; the steel wire traction control module is further integrated with a steel wire tension real-time monitoring control unit, and the steel wire tension real-time monitoring control unit is electrically connected with the servo motor and used for dynamically adjusting the output power of the servo motor according to the tension data of the steel wire, so that the tension of the steel wire is kept within the preset optimal range. According to the invention, intelligent control of the inspection robot can be realized.

The invention relates to the technical field of electricity testing devices, in particular to a non-contact electricity testing device for alternating current and direct current overhead line mixing and an electricity testing method.The non-contact electricity testing device comprises a moving plate and an electrode plate, the moving plate is rotationally arranged, and the moving plate and the electrode plate are arranged in the extending direction of the rotating axis of the moving plate; metal coatings are arranged on the surfaces, close to and away from the movable plate, of the electrode plates. Through the design that the moving plate and the electrode plate are arranged in the direction of the rotating axis, the double-sided metal coating structure of the electrode plate is combined, the alternating-current and direct-current electric field is detected through one device, integration of the electricity testing device is achieved, and the operation efficiency is improved.

The invention belongs to the technical field of intelligent detection and identification, and particularly relates to a contact network suspension state defect intelligent identification system, which comprises an abnormal index calculation unit, a defect category probability analysis unit, a data enhancement unit and a spatial proximity probability field inference unit, the abnormal index calculation unit is used for obtaining a normalized value and obtaining a composite abnormal index based on the normalized value and in combination with the position parameter; the defect category probability analysis unit is used for forming defect category probability distribution through logarithm likelihood function mapping; the data enhancement unit is used for obtaining a defect triple consisting of a defect category, a defect barycentric coordinate and a defect severity quantized value; and the spatial proximity probability field inference unit is used for automatically giving an alarm when the probability of any grid node exceeds an alarm threshold value. According to the invention, the defect detection rate, the positioning precision and the intelligent maintenance efficiency are obviously improved.

The invention relates to the technical field of cable installation, in particular to a tension adjusting device for an overhead line, which comprises a bracket, a winding wheel, a pull rope, a first clamping wheel, a second clamping wheel and a pre-tightening assembly, and is characterized in that the winding wheel is rotationally arranged on the bracket; the first clamping wheel and the second clamping wheel are rotationally arranged on the support and located on the two sides of the wire in the radial direction. The first clamping wheel and the second clamping wheel clamp the wire and convey the wire through rotation. The first clamping wheel and the winding wheel rotate synchronously through a pull rope. The pre-tightening assembly is used for controlling the first clamping wheel and the second clamping wheel to get close to each other and get away from the winding wheel in the radial direction of the wire. A pre-tightening assembly is arranged, a first clamping wheel and a second clamping wheel can clamp a wire, rotation of a winding wheel can enable the first clamping wheel to rotate relative to the wire and drive the wire to move, the wire is gradually tensioned when moving along with rotation of the first clamping wheel, and the clamping positions of the first clamping wheel and the second clamping wheel on the wire are changed; and the damage degree in the wire tensioning process is reduced.

The invention relates to the technical field of power construction safety management and control, discloses a safety management and control detection method and system based on multi-modal data comprehensive analysis, and is suitable for safety monitoring and management of an overhead line construction scene. The system adopts a layered architecture and comprises a data access layer, a data analysis and processing layer and a service display layer, the data access layer collects data, and the data analysis and processing layer fuses and processes the data. The process comprises sensor calibration, time-space synchronous alignment, point cloud preprocessing, image feature enhancement, visual image and point cloud preliminary fusion, image defect identification and complementation, data fusion in BEV space, warning information generation and sending, timely reception and display of background warning information by a business display layer, and man-machine interaction display. According to the method, feature fusion of multi-modal heterogeneous data from different sensors can be realized, the safety problem of the construction process is efficiently identified, and the method has universality.

The invention relates to a hybrid line fault location method and device based on traveling wave location, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: acquiring the total length of a target power line in a power topological structure; calculating to obtain a theoretical wave velocity rated value of each cable section; according to a preset time interval, obtaining a temperature measurement result, calculating to obtain a theoretical wave velocity real-time value of each cable section, carrying out normalization processing on the theoretical wave velocity real-time value of each cable section, and converting the theoretical wave velocity real-time value into a wave velocity of an equivalent overhead line section; under the condition that a line fault occurs, the wave head signal time difference of a fault wave is obtained through the two traveling wave measurement terminals; and determining a theoretical fault position according to the wave velocity and the wave head signal time difference of the equivalent overhead line section. By adopting the method, the fault point measurement accuracy of the mixed line of the overhead line and the cable can be improved under the condition of controlling the cost.

The invention discloses a live working robot on-line positioning accessory suitable for an overhead line, and relates to the technical field of overhead line maintenance. The structure of the live working robot on-line positioning accessory suitable for the overhead line in the prior art is optimized and improved; the three groups of wheel bodies are tightly attached to the cable to drive the hot-line work robot to move, and when the aging and damage areas of the cable need to be avoided, the shapes of the three groups of wheel bodies are timely adjusted to enable the three groups of wheel bodies to be timely separated from the cable one by one in sequence; the on-line positioning accessory for the hot-line work robot suitable for the overhead line has the technical effects that the on-line positioning accessory is convenient to use, the aging and damaged areas of the cable can be flexibly avoided as required during movement, and the trafficability and the applicability are relatively good.

The invention discloses a safe operation method and an equipotential system for an aerial operation robot, and the method is characterized in that the safe operation method comprises the following steps: a drainage guide rod of the equipotential system is arranged at the bottom of a foot stool and is connected with an overhead line when approaching the overhead line, and a tensioning reset mechanism keeps the drainage guide rod to be in contact with the overhead line during landing; it is ensured that the aerial work robot and the overhead line are in an equipotential state in the landing process, and damage to components on a machine body of the aerial work robot caused by arc discharge is avoided; the traveling wheels form stable equipotential after riding to the overhead line, the driving mechanism drives the drainage guide rod to be separated from the overhead line, and the drainage guide rod is limited by the limiting device, so that electric arc and fire caused by long-time friction between the drainage guide rod and the overhead line during operation movement are avoided; limiting is relieved after operation, the tensioning reset mechanism enables the drainage guide rod and the overhead line to recover connection and keep connection, the flying-away aerial operation robot and the overhead line are in an equipotential state, and the equipotential system is closed or dormant after the flying-away aerial operation robot is separated from the overhead line.

The invention relates to the technical field of cable equipment, and provides an overhead line deicing device and a control method thereof.The overhead line deicing device comprises a walking wheel set structure installed on a support and used for driving the device to walk on an overhead line; the deicing structure is mounted at the front end of the bracket and is used for crushing an ice layer on the overhead line; the obstacle detection module is mounted at the front end of the bracket and is used for detecting whether an obstacle exists in front of the overhead line in real time and feeding back a detection result to the controller; and the controller is used for receiving the detection result and triggering a preset obstacle avoidance strategy when an obstacle exists in front of the overhead line. According to the invention, the obstacle detection module is arranged to detect whether there is an obstacle in front of the overhead line in real time, and the controller triggers the preset obstacle avoidance strategy when there is an obstacle in front of the overhead line, so that the obstacle avoidance efficiency is high; by arranging the walking wheel group structure, the device can be driven to walk on overhead lines of different specifications, and the application range is widened.

A device for the maintenance of an overhead line system of a track has a handling device and a displacement device. The displacement device serves to displace the handling device between a transport position and a working position. In the working position, the handling device reaches the overhead line system and is able to perform maintenance work by way of a tool. At least one sensor serves for controlling and / or monitoring the handling device. The device thus enables a simple, efficient and safe maintenance of the overhead line system.

The invention discloses a PINN and optical fiber sensing fusion-based line icing prediction method, and belongs to the technical field of overhead line icing monitoring, and the method comprises the steps: building a line state constraint between a reference working condition and a current working condition, and providing a physical constraint for PINN model training; measuring to obtain an overhead line vibration signal, performing selective weighting on a low frequency, extracting a main modal frequency, and constructing a low-frequency feature vector; using the temperature mean value as the temperature value of the overhead line, constructing a Brillouin spectrum data residual error, and inverting the temperature and strain; brillouin frequency shift features are extracted, and Brillouin frequency shift feature vectors are generated; inputting the low-frequency feature vector and the Brillouin frequency shift feature vector as conditions into a PINN model, and training the model; carrying out backtracking correction on prediction in a past time window by taking an on-site overhead line icing value as an anchor point; and predicting an icing thickness result of a future time domain output by the optimized PINN model. The overhead line icing thickness prediction precision can be improved, and the line operation and maintenance efficiency can be improved.

The invention discloses a power transmission line external damage prevention intelligent management and control platform, which comprises a plurality of towers, the tops of the towers are connected with cables, the peripheries of the towers are provided with a plurality of external damage prevention devices, the external damage prevention devices are uniformly distributed in the ground around the towers, and the tops of the external damage prevention devices are provided with radar sensors. According to the scheme, the three-dimensional point cloud distance measuring device is used for estimating the approximate position of a vehicle, tracking is carried out through the tracking camera, meanwhile, the audible and visual alarm gives an alarm, multi-range real-time monitoring and tracking are achieved, the system adapts to different and complex scenes, and the system is high in practicability and high in practicability. The inspection unmanned aerial vehicle is controlled to fly, the inspection unmanned aerial vehicle is made to move to the periphery of the tracked vehicle, notes are played for the vehicle on the site through a loudspeaker, the cost caused by manual round-trip is reduced, the vehicle arrives at the site in time to be informed, and damage of the construction vehicle to the power transmission overhead line is prevented in advance.

The invention discloses a temporary access box on an application pole and an access method thereof. The access box comprises a box body, and a disconnecting link respectively connected with a mobile power supply vehicle and a low-voltage overhead line is arranged in the box body; the disconnecting link at the rear end is connected with a circuit breaker, and the circuit breaker is provided with a cable terminal. The pile head of the disconnecting link located at the front end is provided with an intelligent fusion terminal used for collecting and uploading electric quantity and power generation and protection time information. Compared with the conventional operation mode of accessing a transformer body and a busbar, the method for carrying out transformer power protection operation by applying the temporary access box of the power generation car on the pole has the remarkable advantages of high safety, high scene adaptability, high economical efficiency and simplicity in operation through practical application verification.