5061results about "Apparatus for overhead lines/cables" patented technology

The invention discloses a power transmission channel risk early warning evaluation method and system, and relates to the technical field of power transmission channel abnormal condition early warning, and the method comprises the steps: analyzing the current waveform distortion degree caused by a nonlinear load in a power transmission line through monitoring the voltage harmonic distortion rate, and evaluating the influence of harmonic waves on the insulation aging and heating loss of the line and equipment; the real-time gradient of the temperature of the wire is analyzed, abnormal heating conditions of different sections of the wire are judged, and the abnormal rising degree of the temperature of the wire and potential thermal damage accumulation caused by overload and poor contact factors are evaluated; by monitoring and analyzing multi-dimensional indexes such as the voltage harmonic distortion rate, the lead temperature real-time gradient, the sag dynamic deviation rate and the corona discharge intensity, the defect of a traditional monitoring means in the aspect of abnormal heating risk assessment is overcome.

The invention discloses an SAR (Synthetic Aperture Radar) small-scale target detection system and method based on deep learning, and aims to solve the problems of low detection precision, inaccurate positioning and poor robustness of a small-scale target under a complex background. The system performs preprocessing through adaptive guided filtering and improved multi-scale local self-adaption to generate a high-quality candidate region; a content perception feature recombination network is combined with a lightweight multi-head attention converter and a dynamic deformable fusion unit, cross-level dynamic aggregation of shallow texture and deep semantics is achieved, and the small target perception ability is enhanced; a modified Bhattacharyya distance loss function is introduced to optimize bounding box matching, and the small target positioning precision is remarkably improved. In addition, the system adopts a multi-stage cascade detection architecture to gradually optimize candidate target screening and regression, and the recall rate is improved through weak target recovery and geometric consistency verification. The multi-source data fusion module combines polarization characteristics and optical image information to enhance the cross-modal detection capability.

The present invention provides an unmanned aerial vehicle-based electric power patrol inspection control method and system. The method comprises: creating a flight path on the basis of an electric power patrol inspection area, and collecting images and position information of electric power devices by means of various types of devices carried by an unmanned aerial vehicle, the images and the position information being transmitted to a receiving terminal at a ground station in a wireless transmission mode; the ground station receiving the images and the position information that are collected in real time, processing and analyzing the images to obtain analytic status, such as defects, damage and corrosion, of the electric power devices; and, on the basis of the analytic status from the ground station, using the position information as distinguishing features to generate an electronic patrol inspection report, providing service lives, maintenance costs and maintenance measures of the electric power devices on the basis of the electronic patrol inspection report, and notifying maintenance staff of the position information of the electric power devices. The system comprises an unmanned aerial vehicle control module, an image processing and analysis module and an electronic patrol inspection report generation module. The present invention is of great significance to maintenance and management of electric power devices.

The invention relates to the technical field of power transmission line monitoring, in particular to a multi-modal data fusion power transmission line digital twinning real-time monitoring system and method, and the system comprises a data collection module which is responsible for collecting optical images, environment characteristic data, current waveform data and point cloud data, and transmitting the data to a digital twinning module; the digital twinborn module constructs a three-dimensional digital twinborn body of the power transmission line, fuses the multi-modal data through a graph neural network and an attention mechanism, generates multi-modal fusion features, establishes a dynamic correlation model of conductor temperature-sag-current-carrying capacity based on the features, and transmits the dynamic correlation model to the online monitoring module; the on-line monitoring module fuses real-time collected data and historical data, analyzes the line state, generates multi-level early warning information and outputs a line state analysis result and fault prediction information, the system adopts an innovative data fusion method, the sensitivity and accuracy of fault detection are improved, and the operation safety and efficiency of the power transmission line are improved.

The invention discloses a method and a system for processing route planning data for electric power line inspection. The method comprises the following steps: acquiring line distribution and topographic feature data; gridding the power network region, determining the patrol priority, and generating a region priority sequence; the overall patrol task is decomposed, a plurality of task subsets are generated, one task is allocated to each unmanned aerial vehicle, and each task subset comprises an initial position and a target line section; generating an initial route path based on the topographic features; comprehensively analyzing all initial paths, identifying potential airspace intersections and performing conflict prediction, and generating a conflict-free route path set by performing height hierarchical adjustment on related paths; and calculating predicted flight time and energy consumption of each unmanned aerial vehicle, redistributing boundary tasks according to a load balancing principle, and finally generating a balanced multi-unmanned aerial vehicle cooperative route scheme. According to the method, the safe and efficient multi-machine collaborative inspection route can be automatically generated through systematic task decomposition, conflict prediction and load balancing optimization.

The invention provides an overhead ground wire uninterruptible ice melting automatic segmentation method and system and a storage medium, and the method comprises the following steps: constructing an ice melting evaluation model based on the environment conditions and structure parameters of a power transmission line, and judging whether an ice melting device has enough output capability or not; if the output capability of the ice melting device is not enough to cover the whole ground wire for ice melting, constructing a plurality of segmentation configurations at the sectionable tower, generating a candidate segmentation scheme set, and performing electrical parameter calculation on each candidate segmentation scheme; taking minimization of the number of segments and minimization of ice melting energy consumption as double targets, adopting a multi-target genetic algorithm to carry out iterative evolution on the candidate segment scheme set, and screening out a Pareto optimal solution set meeting the capacity of an ice melting device and line safety constraints; and selecting the optimal segmentation configuration meeting the uninterrupted ice melting requirement from the Pareto optimal solution set, and outputting the optimal segmentation configuration. According to the invention, good lightning protection performance and economical efficiency can be taken into account under the condition of live ice melting without power failure.

The invention discloses a ground wire multi-machine synchronous traction pay-off scheduling method and system, relates to the technical field of high-voltage transmission line construction, and is used for solving the problem of insufficient multi-machine real-time tension synchronization precision in the existing method. A tension sensor and a speed sensor which are arranged on each traction device collect a tension value, a traction speed value and position coordinate data of a ground wire in real time, and transmit the data to a central scheduling controller; establishing a multi-machine unified time synchronization reference and tension reference model, calibrating a timestamp through a GPS module, and initializing a threshold value based on historical parameters; comparing tension values one by one to calculate a deviation vector sequence; activating a compensation algorithm to execute a speed fine adjustment and tension compensation instruction; iteratively calculating the feedback adjustment value until the deviation is stable; and integrating the synchronous data to the overall paying-off scheduling model to dynamically update the path planning and speed curve. According to the method and the system, the problem of insufficient multi-machine real-time tension synchronization precision in the prior art is effectively solved.

The present invention describes an overhead cable spacer device for coupling and keeping them separate from each other. The spacer device has a spacer body and at least four spacer arms coupled to the spacer body. Each of said at least four spacer arms includes an entering portion to receive the overhead cables and at least two retaining elements. One of said at least four spacer arms comprises a hole in its upper portion in which a mechanical rod is coupled in order for the spacer device to be installed from the ground, and a retaining element allows the coupling of the overhead cable, by means of pressure, and the other retaining element prevents the uncoupling of the overhead cable.

The invention relates to the technical field of cross-linked polyethylene cable accessories, and discloses a cross-linked polyethylene insulated cable overhead installation device which comprises a wire supporting rod, a hoisting steel cable, a cross-linked polyethylene insulated cable and a driving assembly, the driving assembly comprises a steel cable clamping block and a cable clamping block, and a steel cable pulley and a cable pulley which are vertically symmetrical are arranged in the driving assembly; a pushing assembly is arranged at the top of the steel cable clamping block and comprises a supporting transverse plate, a first telescopic rod, a rectangular frame, an upper supporting rod and a lower supporting rod, and locking clamps are sleeved outside the supporting transverse plate, the first telescopic rod, the rectangular frame and the upper supporting rod. When the driving assembly is pulled, the roller encoder measures the distance and controls the distance; the pushing assembly drives step by step, the steel cable clamping blocks are fixed firstly, then the cable clamping blocks are pushed by the same distance and then fixed, the clamps are pulled in a matched mode to be tightened, the device achieves accurate control over the distance between the clamps and the looseness of the cables, the cables are prevented from being too loose and abraded or too tight and damaged, the water blocking function is protected, the line stability is improved, and the operation and maintenance cost is reduced.

The invention provides an unmanned aerial vehicle intelligent inspection method and system combining a three-dimensional point cloud modeling and flight path planning technology. The system comprises a data acquisition module, a data processing module, a platform uploading module, a three-dimensional point cloud modeling module, a flight path planning module and a task execution module. By combining the three-dimensional point cloud modeling and flight path planning technology, the whole process is automatic, a closed loop is formed from data acquisition to flight path generation, manual intervention is reduced, automation, refinement and intelligentization of unmanned aerial vehicle routing inspection are achieved, and the routing inspection efficiency and safety are remarkably improved. The method has the advantages that point cloud data is processed through a pre-constructed point cloud data processing model, the quality of the point cloud data is improved, sub-centimeter-level modeling is realized in combination with a BIM technology, the precision of three-dimensional point cloud modeling is high, track planning is based on real three-dimensional geometry, and fine inspection is supported. And through data storage of different file types, the transmission processing efficiency is improved, the space information of the three-dimensional point cloud is fully utilized in the route planning, and refined inspection is supported.

This invention relates to the field of conductor inspection technology, specifically disclosing a multi-angle detection robot and method for detecting multi-split tension clamps. The robot includes a cable routing mechanism, a lifting and adjusting mechanism, a spacing adjusting mechanism, and a detection mechanism. During detection, the x-axis drive device of the detection mechanism moves the mounting plate to the side of the frame. A first rotation module drives a right-angle frame to rotate around the z-axis to unfold the swing arm. A second rotation module deflects the swing arm to align the X-ray source and imaging plate with the target clamp. Combined with a third rotation module to fine-tune the imaging plate angle and a linear drive device to adjust the spacing, multi-angle imaging accuracy is ensured. The robot can also reverse direction, enabling the detection of tension clamps at both ends of a multi-split conductor tower in a single setup, improving efficiency. Compared to traditional devices, this application achieves continuous detection of multi-split clamps through multi-degree-of-freedom unfolding and adaptive adjustment, significantly improving detection efficiency. Furthermore, its compact structure adapts to complex high-altitude environments.

The invention discloses an unmanned aerial vehicle inspection device and method, the unmanned aerial vehicle inspection device comprises an unmanned aerial vehicle, a laser ranging camera, a holder, a telescopic device and an ultrasonic detection device, the telescopic device is installed on the unmanned aerial vehicle, and the ultrasonic detection device is connected with the telescopic device through the holder. The laser ranging camera is connected with the first end of the unmanned aerial vehicle through the holder, and the laser ranging camera and the ultrasonic detection device are both located below the unmanned aerial vehicle. The invention belongs to the technical field of unmanned aerial vehicles, and aims to solve the problem that in the prior art, iron tower inspection cannot inspect the nut loosening condition. The technical effects are that the anti-loosening condition of the nut can be reliably and accurately detected, the loosening condition of the nut can be timely detected, and the stability of an iron tower can be guaranteed.

A tool for hanging and disassembling a grounding wire of a power transmission line tower through an unmanned aerial vehicle comprises the unmanned aerial vehicle, a detachable connecting rod frame is installed on the unmanned aerial vehicle, and two hanging rings are connected to the bottom end of the connecting rod frame. And the high-altitude falling risk and the induced electric shock hidden danger caused by manual tower climbing are thoroughly eliminated. An operator can perform remote control on the ground and is prevented from being directly exposed to a high-voltage electric field and a severe tower environment, so that the life safety of the operator is fundamentally guaranteed, and the system conforms to the development trend of'few-person and unmanned 'operation and maintenance of an intelligent power grid. The unmanned aerial vehicle can quickly pass through complex terrains to approach an operation point, is particularly suitable for special tower positions such as mountainous areas and cross rivers, greatly improves the operation efficiency, and remarkably improves the operation safety. A traditional manual grounding wire hanging and dismounting mode is changed, the device is not influenced by the terrain and the tower type, the operation process is convenient and fast, the maintenance operation time is shortened, the labor intensity is reduced, and the personal safety is ensured.

The invention discloses a cable paying-off and anchoring device and method suitable for a railway-crossing electric power line, and belongs to the technical field of railway engineering construction. The speed limiting anchoring mechanism comprises a first clamping plate and a second clamping plate which can slide relative to each other, the first clamping plate comprises a bevel groove, the bevel groove comprises a first supporting plate and a second supporting plate which are perpendicular to each other, the second clamping plate is parallel to the first supporting plate, and the second clamping plate can slide relative to the second supporting plate. The speed measuring mechanism is arranged on the rope, and the processor calculates and controls the relative distance between the first clamping plate and the second clamping plate according to the real-time speed to automatically control the pay-off speed. The cable paying-off and anchoring device and method suitable for the railway-crossing electric power line can adapt to the working environment where ground anchoring cannot be provided, stable anchoring of the cable can be achieved, accurate regulation and control of the cable paying-off speed can be achieved based on the real-time running speed of the cable, and the cable paying-off and anchoring efficiency is improved. And the cable is prevented from falling off or being damaged due to too high speed.

The disclosure relates to the technical field of anti-icing and de-icing of an overhead transmission line or a railway contact system, and provides a mechanical anti-icing and de-icing device fixedly installed on the overhead transmission line or the railway contact system. The device comprises a base, an electric driving assembly, a weight block and a potential energy module comprising an elastic element. The electric driving assembly comprises a clutch mechanism and a motor. When the clutch mechanism is in an engaging state, the electric driving assembly drives the weight block to generate displacement relative to the base, and when the clutch mechanism is in a separation state, the electric driving assembly cuts off driving to the weight block. When the clutch mechanism is engaged, the potential energy module is used for accumulating potential energy when the weight block generates displacement relative to the base; and when the clutch mechanism is separated, a driving force of the electric driving assembly on the weight block is cut off, the potential energy contained in the potential energy module is rapidly released, so that the weight block moves quickly, thus causing the whole gravity center of the device to suddenly change, forming vibration to be transmitted to the overhead transmission line, so that the icing is removed.

The invention discloses a mobile crossing frame capable of automatically unfolding a telescopic cloth net, and relates to the field of crossing frames for power line construction. A traditional electric power line crossing frame is usually built by adopting moso bamboos or steel pipes, and the building mode of the crossing frame is long in construction period and large in safety risk. The automatic net arranging device comprises a U-shaped frame body, a front automatic net arranging mechanism capable of automatically arranging a bearing net forwards, a rear automatic net arranging mechanism capable of automatically arranging the bearing net backwards, a telescopic stay cable and an adjustable connecting frame capable of adjusting a pitching angle and a horizontal rotation angle, wherein the extension length of the bearing net can be flexibly set according to field conditions; and a plurality of rolling shafts are arranged on a cross beam of the U-shaped frame body. The crane can be used as a mobile platform to carry out flexible mobile construction, the construction period is short, the telescopic stay cable can have pretightening force to synchronously extend with the front and rear automatic net arrangement mechanisms, the bearing capacity and flatness of the net blocking platform are enhanced, the adaptability and safety of large-span construction are improved, and the traction resistance of a wire can be reduced through the rolling shafts.

The invention relates to the technical field of cable traction, in particular to a power plant electrical engineering cable stay wire construction tool. Comprising an outer sleeve shell; the two driving rings are both connected into the outer sleeve shell in a sliding and rotating mode; the inner rotating ring is rotationally connected to one of the driving rings, and a pull rope is fixedly connected between the inner rotating ring and the outer sleeve shell; the cable net sleeve is fixedly connected to the outer sleeve shell; and the fastener is fixedly connected between the two driving rings. The two driving rings drive the two sides of the fastener to move respectively, so that the diameter of the circle where the fastener is located in the axis direction is gradually reduced, circumferential clamping force is applied to the cable net sleeve, the clamping force of the cable net sleeve to a cable is further enhanced, the stable state between the cable net sleeve and the cable is kept, and the cable net sleeve is prevented from being damaged. And the probability of relative sliding between the cable net sleeve and the cable is reduced, so that the cable pulling efficiency is ensured, and the situation that the sheath of the cable is abraded is reduced.

The invention discloses an overhead transmission line wire acceptance robot and an automatic obstacle crossing method thereof. An obstacle crossing system comprises a main body self-adaptive damping device, a belt type driving mechanical leg obstacle crossing device, an obstacle crossing auxiliary moving device, a self-adaptive adjusting wheel device and the like. The angle and position of the wheels can be adjusted in real time according to different obstacle crossing forms, it is ensured that the obstacle crossing mechanism can tightly clamp the wire, a stable obstacle crossing platform is provided, the acceptance inspection robot stably crosses various obstacles such as a spacer, a shockproof hammer and a wire clamp, and the acceptance inspection efficiency of the overhead transmission line wire is greatly improved.

The invention discloses a spacer for separating adjacent bare conductors, and belongs to the technical field of spacer installation, the spacer comprises a spacer and locking mechanisms installed at two ends of the spacer and used for respectively locking the adjacent bare conductors, each locking mechanism comprises a fixed clamp and a movable clamp, a lead-in port is formed between the fixed clamp and the movable clamp, and the lead-in port is communicated with the fixed clamp and the movable clamp. The top of the fixed clamp is a base, the movable clamp is movably arranged on one side of the base, the movable clamp has a rotating stroke and a horizontal sliding stroke relative to the fixed clamp, and the movable clamp has a horizontal state perpendicular to the fixed clamp and a vertical state aligned with the fixed clamp in the rotating stroke; a screw rod is rotationally arranged on the fixed clamp, a screw hole is formed in the movable clamp, when the movable clamp rotates downwards from a horizontal state to a vertical state, the screw hole is in butt joint with the screw rod, and the screw rod is driven by a driving mechanism to rotate so as to be in threaded fit with the screw hole; and the movable clamp performs a horizontal sliding stroke so as to be close to the fixed clamp to clamp the bare conductor.

The invention relates to the technical field of power transmission line deicing, in particular to a multi-split conductor flying deicing robot. The flying mechanism is mounted on the aircraft body and used for driving the aircraft body to go up and down; the displacement mechanism is installed on the machine body and used for driving the machine body to walk and move on the upper-layer wire. The first avoiding mechanism is installed on the machine body, an upper-layer deicing mechanism is installed on the first avoiding mechanism, and the first avoiding mechanism is used for driving the upper-layer deicing mechanism to be close to or away from an upper-layer wire; the first avoiding mechanism, the second avoiding mechanism and the flying mechanism are installed on the machine body, and when wire feeding and wire discharging are needed, the machine body can be driven by the flying mechanism to fly to the position above a specified four-bundle conductor. And then the flight mechanism is controlled to descend and land under the assistance of visual identification, so that the displacement mechanism can fall onto the upper-layer wire.

The invention provides an intelligent robot inspection system and method for a transformer substation, and belongs to the technical field of transformer substation inspection, and the system comprises an inspection task generation module, an inspection robot, an inspection analysis module and an inspection optimization module. The inspection task generation module is used for generating an inspection task based on the inspection demand; the inspection task comprises a plurality of inspection items corresponding to an inspection object in the transformer substation and inspection time of each inspection item; the inspection robot is used for receiving and executing an inspection task to obtain substation inspection data; the inspection analysis module is used for analyzing the inspection data of the transformer substation to obtain the inspection state of each inspection object; and the inspection optimization module is used for determining an optimized inspection item and optimized inspection time based on the inspection state and a preset adjustment strategy. According to the invention, the dynamic adjustment of the inspection task is realized, and the inspection performance and the inspection effect are improved.

The invention relates to the technical field of power transmission line detection, and provides a high-voltage overhead power transmission line insulator string detection device and a control method thereof. Comprising an unmanned aerial vehicle body, and an airborne data transmission module, an airborne insulator detection module and an image acquisition and analysis module which are carried on the unmanned aerial vehicle body, the image acquisition and analysis module is used for acquiring an image signal of the insulator string and analyzing the image signal so as to output a position control signal of the unmanned aerial vehicle and an angle control signal of the airborne insulator detection module; the unmanned aerial vehicle body flies to a specified position based on the position control signal; the airborne insulator detection module is used for rotating to a specified angle based on the angle control signal and detecting an insulator string; and the airborne data transmission module is used for receiving the detection data sent by the airborne insulator detection module and determining the health state of the insulator chain based on the detection data. Zero-value insulator live-line detection of a full-voltage-class full-string type insulator string of a power transmission line can be realized.

The invention discloses a cable deicing robot which is composed of a walking module, a clamping anti-falling module, a solar power supply module and a deicing module, the walking module drives walking wheels through a motor, and stable movement of the robot on an iced cable is achieved; the clamping anti-falling module is composed of an electric push rod, an anti-falling wheel, a support of the anti-falling wheel, a guide rod, a fixing plate and a connecting piece and provides reliable clamping and anti-falling protection in the walking process of the robot. The solar power supply module drives a sliding block guide rail system through a lead screw motor to adjust the extension length of a solar panel, the shaking influence of wind on the machine is reduced in a strong wind environment, and meanwhile efficient energy collection and storage are achieved. The deicing module reasonably utilizes the dead point position of the connecting rod mechanism and is combined with the deicing cutter head with a reasonable structure, so that the deicing operation can be efficiently and stably completed. According to the invention, the modular design and multi-mechanism coordination can stably operate in a complex environment, the deicing efficiency and stability are remarkably improved, the wind resistance is high, the energy consumption is low, and the deicing effect is remarkable.

The invention discloses a multi-terminal collaborative modular power operation and maintenance method and system based on digital twinning, and the method comprises the following steps: constructing a global power topological graph of a power energy site, mapping power equipment, sensors and connecting lines into graph nodes and graph edges, and binding the static attributes of the equipment with the topological structure; and acquiring real-time operation data of the power equipment, and distributing a unified time label for the multi-source heterogeneous data. According to the method, a unified twinborn model of cross-voltage class, cross-region and cross-equipment type is established in a digital twinborn platform, and operation data of different equipment such as photovoltaic equipment, battery energy storage equipment, an inverter, a protection device, an electric energy meter and temperature control equipment are expressed in a unified data semantic mode; according to the invention, the system can still automatically establish a consistent device portrait under the conditions of a large number of multi-terminal devices and diversified communication protocols, and the multi-terminal cooperative computing capability is significantly improved.

The utility model discloses a wire falling walking pressing device suitable for a flying hot-line work robot, which comprises a walking structure, a pressing structure is arranged at the bottom of the walking structure, a flying platform for driving the walking structure to fly is arranged at the top of the walking structure, and the flying platform comprises a main carbon frame; the walking structure comprises a hub, wheel edges are symmetrically arranged on the two sides of the hub, a wiring groove is formed in the middle of the hub, and a rotating assembly is arranged on one side of the hub. Through the design of the flying platform, the wheel hub, the wheel edge, the wiring groove, the rotating assembly, the pressing wheel body and the moving assembly, during use, the flying platform drives the wheel hub to move to the wiring groove formed in the middle of the wheel hub to be attached to a high-voltage transmission line, and then the moving assembly drives the pressing wheel body to move towards one side of the wheel hub; therefore, the device is limited on the high-voltage power transmission line through the pressing wheel body and the hub, and the situation that a robot needs to go up a tower manually to go up and down the line is avoided.

The invention discloses an unmanned aerial vehicle high-precision spacer dismounting and mounting control method based on tactile feedback, and belongs to the technical field of intelligent operation and maintenance of high-voltage power transmission and distribution lines. According to the method, a multi-mode tactile sensor array and a self-adaptive force control mechanical arm are carried through an unmanned aerial vehicle, three-dimensional force, torque and surface deformation data when the mechanical arm makes contact with a spacer are collected in real time, the action of the mechanical arm is adjusted in combination with a dynamic impedance control algorithm, and high-precision disassembly and assembly operation is achieved. According to the method, the problems of large positioning error and poor operation stability caused by lack of real-time force feedback of a traditional unmanned aerial vehicle disassembling and assembling method are solved, and the operation precision and safety in a complex environment are remarkably improved.

The invention discloses a power transmission line insulator dual defense system and method, and belongs to the technical field of power transmission line maintenance, in the system, a power supply subsystem generates, stores and conveys high-pressure gas, and a primary defense subsystem and a secondary defense subsystem are respectively communicated with the power supply subsystem through high-pressure conveying hoses to obtain a high-pressure gas source; the first defense subsystem is arranged around an insulator of the power transmission line and forms an annular air curtain to prevent rain and snow from being attached to the surface of the insulator; the secondary defense subsystem detects and removes rain and snow breaking through the annular air curtain; the photovoltaic power supply subsystem is used for providing power for the whole defense system; all the subsystems are electrically connected with the intelligent control subsystem, and the intelligent control subsystem is used for coordinating starting, operation and parameter adjustment of all the subsystems. The problems that an existing anti-icing technology is high in energy consumption and slow in response, an icing micromechanism is difficult to capture, and protection is insufficient due to the fact that extreme working conditions are difficult to reproduce are solved, and efficient blocking and removing of rain and snow are achieved.

The invention discloses a distribution network low-voltage extension type direct-current ice melting method and an ice melting management system, and relates to the field of disaster prevention and reduction of an electric power system, and the method comprises the steps: obtaining an electrical characteristic signal, an icing thickness value and weather forecast data of each target line; calculating power loss distribution of each target line, and dividing the target line into a plurality of electron supply zones; inputting the icing thickness value and the weather forecast data into an icing prediction model to obtain an icing development trend; carrying out correlation operation on the icing development trend and the corresponding power loss distribution to obtain an ice melting priority and an ice melting current value; generating a power supply execution sequence and a direct-current power supply output parameter; and generating an ice melting execution scheme based on the power supply execution sequence and the DC power supply output parameters, and implementing ice melting power supply according to the ice melting execution scheme and the power supply execution sequence. According to the invention, ice melting planning can be carried out, and electric energy waste is avoided.

The invention belongs to the technical field of electric line inspection, and provides a fly-away type inspection robot and a control method thereof, the fly-away type inspection robot comprises a multi-rotor unmanned aerial vehicle, a monitoring mechanism, an elastic pressing walking mechanism and a polygonal base station; the problems that an existing inspection robot is insufficient in flexibility, poor in stability, poor in obstacle crossing capacity and incapable of meeting close-range and remote inspection requirements in a complex environment are solved. According to the robot, the flying capability of the unmanned aerial vehicle and the innovative walking mechanism are combined, and efficient, safe and accurate inspection operation can be achieved in different inspection scenes.

The invention belongs to the technical field of electric power inspection, and discloses a power distribution equipment unmanned aerial vehicle and an inspection method. The bottom of the unmanned aerial vehicle body is fixedly connected with a camera; the camera is fixedly connected with a camera air injection assembly, and the air outlet end of the camera air injection assembly faces the camera lens. The unmanned aerial vehicle body is provided with a moving assembly which is movably connected with the cable. The moving assembly is fixedly connected with a beating assembly; the beating assembly comprises a rotating block, a rubber sleeve, a first rotating plate, a transverse shaft, a torsional spring, a rotating bearing and a connecting transverse rod, the transverse shaft is fixedly connected with the side wall of the moving assembly, the inner end of the torsional spring is fixedly connected with the moving assembly, and the outer end of the torsional spring is fixedly connected with the first rotating plate; according to the invention, the accuracy of an image collected by the camera is ensured, blurring is avoided, dust removal while moving is realized, the outer wall of a cable is cleaned, and the surface of the cable is inspected in a later period.