2390results about "Overhead installation" patented technology

The invention relates to the technical field of wire disaster prevention analysis, and discloses an overhead transmission line icing monitoring and disaster prevention method and system. The method comprises the following steps: acquiring meteorological parameters, stress data and icing images through distributed sensing nodes; performing time-space synchronization processing on the data; calculating icing state information; evaluating an icing risk level; selectively starting the deicing device; and storing the data and extracting a law to optimize a disaster prevention plan. According to the invention, accurate monitoring of the icing state, scientific assessment of risks, intelligent selection of deicing measures and continuous optimization of disaster prevention strategies are realized, so that the ability of the power grid to deal with icing disasters is significantly improved, and economic losses and potential safety hazards are reduced.

The invention discloses a power distribution network overhead line risk refined early warning method and system. The method comprises the following steps: collecting meteorological time sequence data and power distribution network topology and line parameter data; and preprocessing the data, and constructing a prediction data set. And establishing a fault probability prediction model based on the meteorological data and the line parameters. Calculating the fault probability by using the mathematical model, correcting the model, training in combination with static topology and dynamic meteorological data, and constructing a fault probability network model. And analyzing the importance of the nodes and lines of the power distribution network, and evaluating the load loss proportion of the nodes. And carrying out normalization processing on the importance indexes. And comprehensively calculating the predicted fault probability, the node loss load and the importance index to obtain a branch risk parameter. Fine early warning is carried out according to a set early warning threshold value, and dynamic adjustment is carried out to adapt to the actual operation condition. The method has the advantages that comprehensive risk assessment is provided, and the accuracy of fault prediction and the timeliness of risk early warning are improved.

The invention discloses a bird repelling method and related equipment for a power distribution iron tower, and the method employs a multi-dimensional sensor for cooperative operation, and collects infrared, sound, images and radar reflection signals in real time. Through multi-dimensional data fusion, the appearance, sound wave and behavior characteristics of the bird flock are deeply mined, the bird flock type is accurately identified, and the problem of insufficient detection of a single sensor is solved. Based on the sensitivity difference of different bird flocks to vision, hearing and ultrasonic waves, bird repelling modes such as strong light stroboflash, sound or ultrasonic waves are dynamically matched from the preset bird repelling strategy library, the adaptability of birds to a single bird repelling means is avoided, and the bird repelling success rate is remarkably increased. And a closed-loop optimization mechanism is formed by iteratively optimizing a strategy library matching rule by using bird repelling effect feedback data, so that the system can adapt to the environment and bird behavior changes, and the long-term bird repelling effect is enhanced. Compared with the prior art, line fault risks caused by bird activities are effectively reduced, and safe and reliable operation of a power system is powerfully guaranteed.

The invention discloses a power transmission line anti-freezing system and method based on Internet of Things monitoring, and the system comprises an environmental parameter monitoring module, a data collection and transmission module, an intelligent data processing and analysis module, an early warning system module, a remote monitoring and management module, and a system management and maintenance module. Environmental parameters related to power transmission safety are collected in real time through sensors deployed at all nodes of a power transmission line, and the environmental parameters specifically comprise a temperature sensor unit, a humidity sensor unit, a wind speed sensor unit and a current load monitoring unit; environmental parameters around the power transmission line are monitored in real time through various sensors, data acquisition, transmission and processing are performed by using the Internet of Things technology, the environmental data are analyzed through an intelligent algorithm, the icing risk of the power transmission line is accurately judged, and efficient and intelligent anti-freezing monitoring comprehensive management is realized.

The invention discloses a low-frequency ice melting device for a distribution network power transmission line. A power supply module receives electric energy from a transformer and processes the electric energy; the rectifying unit is used for converting power frequency alternating current into direct current; the inversion unit is used for converting direct current into low-frequency alternating current; the information acquisition unit is used for acquiring the line temperature and the icing thickness on the icing line and feeding back the line temperature and the icing thickness to the control unit; the control unit is used for receiving the electric energy, calculating output power and output current according to the parameter information, the line temperature and the icing thickness, generating an ice melting instruction, executing the ice melting instruction and adjusting the output power and the output current; and the cooperative ice-melting switch is controlled according to the ice-melting execution instruction, wherein the inversion unit outputs low-frequency alternating current to the ice-coated line. Low-frequency alternating current is applied to a power transmission line of a distribution network, the ice melting distance is increased, three-phase simultaneous symmetric ice melting is achieved, the asymmetric pole falling phenomenon is avoided, frequent switching is avoided, and the working efficiency is greatly improved.

The invention discloses a low-smoke halogen-free cross-linked polyethylene insulated power cable, and relates to the technical field of power cables, the low-smoke halogen-free cross-linked polyethylene insulated power cable comprises a central conductor, the outer side of the central conductor is tightly coated with a rubber insulation sleeve, and the outer sides of a plurality of rubber insulation sleeves are jointly coated with a limiting silicon rubber sleeve; the outer side of the limiting silicon rubber sleeve is evenly coated with axial supporting inner rings at equal intervals, the outer rings of the axial supporting inner rings are tightly coated with axial protection outer rings, the outer sides of the axial protection outer rings and the filling soft rubber sleeve are jointly coated with an isolation protection rubber sleeve, and the outer ring of the isolation protection rubber sleeve is tightly coated with an installation outer rubber sleeve. According to the cable, the situation that rain and snow are attached to the outer side of the cable, and consequently the overall weight of the cable is increased is effectively prevented, the transverse traction force of the connecting position of the ends of the cable during working is reduced, the fatigue aging rate of the connecting position of the cable is reduced, and the actual service life of the cable is prolonged.

The invention relates to the technical field of power line deicing, in particular to an intelligent power line deicing system installed by using an unmanned aerial vehicle. The system comprises an image acquisition module, a feature extraction module, a data analysis module, a deicing control module and a data storage module. According to the invention, image sampling is carried out on an ice layer attached to the surface of a power line through the image acquisition module, and corresponding feature extraction is carried out on image information by using an edge detection unit, a texture detection unit and a color analysis unit in the feature extraction module; and through information fusion of the data analysis module and construction of a corresponding ice layer thickness prediction model, a corresponding ultrasonic deicing frequency range is selected according to the ice layer thickness, and efficient removal of the ice layer on the surface of the power line is realized.

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 relates to a deicing effect evaluation control method and device based on infrared image analysis. The method comprises the steps that a first infrared image of a power transmission line located in front of deicing equipment and a second infrared image of a power transmission line located behind the deicing equipment on each power transmission line are acquired; training based on the historical first infrared image and the second infrared image to obtain a convolutional neural network model for judging the deicing effect of the power transmission line; obtaining a deicing evaluation result and residual ice coverage thickness by using the trained convolutional neural network model; and controlling the deicing equipment to perform deicing operation based on the deicing evaluation result. According to the method, the deicing effect of the deicing equipment on the power transmission line can be evaluated by using the infrared image, so that the deicing equipment is controlled to circularly operate or advance to operate, automatic deicing operation of the deicing equipment on the power transmission line is realized, and the deicing effect is ensured.

The invention relates to the technical field of fan blade deicing, and discloses an intelligent temperature control type fan blade electric heating deicing control system and method, and the system comprises a meteorological sensing module which is used for collecting the environment temperature, humidity, wind speed and rainfall type; the blade state monitoring module is used for acquiring blade surface temperature distribution and ice layer thickness data; the dynamic decision-making module is used for generating a partition heating instruction based on the data of the weather sensing module and the blade state monitoring module; the temperature control execution module is used for converting the instruction into a gradient signal; the heating array module is used for executing electric heating deicing operation in the blade surface subareas; and the energy coordination module is used for dynamically constraining the total power of the system. The meteorological sensing module and the blade state monitoring module are integrated through the system, real-time collection and fusion of multi-source data of blade surrounding environment parameters and the thickness of an ice layer are achieved through the design, comprehensiveness and accuracy of icing monitoring are improved, a reliable basis is provided for dynamic decision making, and therefore the response capacity and early warning precision of the system to icing risks are improved.

The invention belongs to the technical field of power transmission lines, and discloses a power transmission line icing breaking device, which comprises an annular shell, the outer surface of the annular shell is provided with mounting holes distributed in an annular array, the inner walls of the mounting holes are provided with knocking icing breaking mechanisms, and the knocking icing breaking mechanisms comprise movable pipes. According to the deicing device for the power transmission line, by arranging the knocking ice-breaking mechanism, reciprocating knocking on the ice layer on the surface of the power transmission line is achieved, the ice layer surrounding the power transmission line is broken, shoveling during subsequent rotation is facilitated, and the deicing device for the power transmission line is convenient to use. The deicing device has the advantages that the knocking distance of an ice layer is adjusted, the power transmission line is prevented from being damaged, the deicing device is suitable for power transmission lines of different diameters, potential safety hazards of manual operation are eliminated through automatic deicing, the deicing efficiency is improved, and the deicing cost is reduced.

The invention discloses an electric power monitoring device for an energy storage power station, the electric power monitoring device is installed on an electric power support rod, the electric power monitoring device comprises a rack, the right side of the rack is welded with a fixing plate, the fixing plate is in a semicircle shape capable of surrounding the electric power support rod, the rack is provided with a clamping mechanism, and the clamping mechanism clamps the fixing plate on the electric power support rod; the top end of the rack is fixedly connected with a top plate through a second connecting rod, a rotating mechanism is arranged on the top plate, the rotating mechanism is connected with a rotating rod to drive the rotating rod to rotate, the top end of the rotating rod is fixedly connected with a mounting plate, and a freely telescopic cylinder is mounted on the mounting plate; a lifting mechanism is mounted at the tail end of the barrel and connected with the camera to drive the camera to move up and down; the rack is also provided with a solar cell panel, and the solar cell panel is used for storing energy and providing power for the electric power monitoring device. The power monitoring device is convenient to install and can comprehensively monitor the high-voltage lines installed on the two sides of the power support rod.

The invention discloses a power transmission line icing state monitoring and ultrasonic deicing system and method based on online power taking, and belongs to the technical field of power equipment. The problems that potential safety hazards are caused by icing of a power transmission line and a traditional deicing mode is high in cost and low in efficiency are solved. By integrating an online power taking module, an icing state monitoring module, an ultrasonic deicing module, a hot ice melting module and an intelligent management module, real-time monitoring and intelligent deicing of icing of the power transmission line are realized; wherein the ultrasonic deicing module is used for removing an ice layer through ultrasonic vibration, and the hot ice melting module is used as an auxiliary means for melting the ice layer through resistance heating when necessary; the system controls all the modules to work coordinately through the intelligent management module, and energy consumption and cost are reduced while efficient deicing is ensured; remote monitoring and fault diagnosis are achieved, the line state is mastered in real time, response processing is conducted in time, the operation safety and stability of the power transmission line are improved, power outage accidents and economic losses caused by icing are reduced, and the intelligent operation and maintenance level of a power grid is enhanced.

The invention relates to an overhead line system ice melting method and device, equipment, a storage medium and a program product. The method comprises the following steps: acquiring an infrared image and point cloud data of an overhead line system, which are acquired at the same time; carrying out image identification on the infrared image, and determining a first icing thickness of the overhead line system; analyzing the point cloud data, and determining a second icing thickness of the contact network; the first icing thickness and the second icing thickness are fused, and the target icing thickness of the contact network is determined; and based on the target icing thickness, determining an ice melting parameter, and sending the ice melting parameter to the control equipment, so that the control equipment executes an overhead line system ice melting operation based on the ice melting parameter. According to the method, the infrared image of the overhead line system and the icing thickness analysis result of the point cloud data are fused, the accuracy of determining the icing thickness of the overhead line system is improved, meanwhile, even if one data source has an error, other data sources can still continue to provide effective information, the robustness of the system is enhanced, and the reliability of the system is improved. Therefore, a reasonable ice melting strategy is formulated based on the accurate icing thickness.

The invention relates to the technical field of information, and discloses a fault current suppression method and system for a direct-current deicing device, fault current data of the direct-current deicing device are analyzed through fast Fourier transform, and direct-current bus voltage drop data are obtained based on an analysis result and are processed through a support vector regression algorithm, so that a fault current suppression result is obtained. Obtaining a voltage stress sudden increase trend and further determining stress distribution data of a switching device in the device; processing the stress distribution data by a Kalman filtering algorithm to obtain a processing result so as to determine a dynamic correction coefficient of a bridge arm switching time sequence, and processing the dynamic correction coefficient and element response delay data of the device by a particle swarm optimization algorithm to generate a bridge arm switching time sequence so as to determine a real-time adjustment parameter influencing the discharge rate of a buffer capacitor in the device; and comparing voltage oscillation characteristics before and after matching to determine an impedance compensation value of a commutation path for execution, thereby realizing effective suppression of current oscillation in the DC deicing device.

A telegraph pole single-porcelain-bottle rain-snow-prevention bird-trouble-prevention insulating sheath capable of being installed in an electrified mode comprises a porcelain bottle sleeve and wire sleeves, the two opposite sides of the porcelain bottle sleeve used for wrapping the top of a porcelain bottle are respectively connected with one wire sleeve used for wrapping a wire, and the lower end of the porcelain bottle sleeve is provided with an opening corresponding to the upper portion of the porcelain bottle. A slot communicated with the opening in the lower end of the porcelain insulator sleeve is formed in the lower edge of the wire sleeve, butt joint edges extending downwards are connected to the two edges of the slot respectively, a mounting plate is arranged on the porcelain insulator sleeve, and a mounting hole is formed in the mounting plate; the cross sections of the butt-joint edges on the two sides are in a splayed shape, and the minimum distance between the butt-joint edges on the two sides is matched with the diameter of an electric wire. The invention has the advantages that under the condition of uninterruptible power supply, the mounting rod is used for supporting the mounting plate, and the whole sheath is mounted on the top end of the porcelain bottle and the electric wire downwards from the upper part of the porcelain bottle and the adjacent electric wire, so that the application is convenient, rain, snow and bird damage are effectively isolated, the binding wire and the electric wire are prevented from being corroded and damaged, and the safe operation of an electric power circuit is ensured.

The invention relates to a medium-voltage expansion ice melting device and an ice melting expansion system. The medium-voltage expansion ice melting device comprises an ice melting transformer and a reactive compensation unit, the primary side of the ice-melting transformer is electrically connected with the power supply end of the medium-voltage power supply, and the secondary side of the ice-melting transformer and the input end of the reactive compensation unit are electrically connected with the ice-melting output end; wherein the ice melting transformer is a double-winding ice melting transformer of which the primary side is subjected to on-load voltage regulation and the secondary side is subjected to no-load gear regulation, and the medium-voltage power supply comprises a medium-voltage emergency power supply vehicle or a power grid; the deicing transformer is used for adjusting the alternating current of the medium-voltage power supply into the adjustable alternating current of the line section to be deiced, and the reactive compensation unit is used for regulating and controlling the reactive compensation current and the reactive compensation power. According to the technical scheme of the invention, the medium-voltage emergency generator car can be fully utilized to quickly expand the ice melting function of the medium-voltage emergency generator car, and meanwhile, the ice melting technical equipment of power grid power supply can be considered, and the economy of distribution network ice melting is improved.

The invention relates to the technical field of power grid deicing, in particular to an alternating current short circuit ice melting control method and an ice melting distribution transformer. The invention discloses a distribution transformer with voltage reduction and ice melting dual functions, an ice melting control system and a control method thereof. The transformer is provided with two groups of low-voltage output ends which are respectively used for power distribution, power supply and ice melting operation; the ice melting control system comprises a local intelligent control box and a far-end communication control box, and adopts a deep reinforcement learning model to calculate an optimal ice melting power gear and ice melting time; according to the control method, environment parameters and equipment parameters are obtained, cooperative control of the boundary switch, the ice melting switch, the protection switch and the short circuit switch is combined, and accurate adjustment of the ice melting process is achieved. The system realizes a one-key ice melting function, has the characteristics of simple operation, high ice melting efficiency, remote control and the like, remarkably improves the intelligent level, safety and reliability of power grid ice melting operation, and provides an innovative solution for anti-ice management of a power system.

The invention discloses a cable anti-icing coating robot which comprises a rack, a gravity closing support, a spraying mechanism, a feeding mechanism, a returning mechanism, a cleaning mechanism and a walking mechanism, and the gravity closing support facilitates in and out of a cable, achieves self-locking of the robot on the cable and prevents the robot from overturning; the spraying mechanism realizes automatic spraying, so that people are prevented from being in close contact with the coating, and human health is prevented from being harmed; the feeding mechanism provides paint for the spraying mechanism and serves as a balance weight component of the robot to enable the robot to keep balance. The material returning mechanism is used for recycling redundant paint sprayed by the spraying mechanism, so that the paint is saved, the environment is protected, and pollution is reduced; the walking mechanism drives the robot to automatically walk on the cable, and high automation of the robot is achieved. And the annular inner brush is used for firstly self-cleaning the wire and then spraying, so that the coating effect is better. According to the robot spraying method for the cable anti-icing coating, unmanned high-altitude automatic operation is achieved, and the construction quality and environmental protection benefits of the anti-icing coating are improved.

The invention provides a deicing control method and system for a power transmission line in a cold region, and relates to the technical field of power system power transmission line operation and maintaining.The method comprises the steps that icing data of the power transmission line are collected, the icing data are multi-source data and comprise the ice layer thickness, the ice type category and the distribution characteristic, and the ice layer thickness, the ice type category and the distribution characteristic are obtained by combining environment temperature, humidity and geographical location information; dynamically selecting a plurality of spatial sampling positions on the target line to construct a spatial correlation area for feature analysis; and obtaining correction parameters based on morphological characteristics of the spatial correlation region, performing spatial superposition and feature fusion analysis on the multi-source data according to the correction parameters, and extracting an icing feature set which is dynamically corrected and reflects the overall icing state of the line. According to the invention, differentiated ice removal in different climate areas can be realized, and intelligent deicing control of accurate identification, mode adaptation and closed-loop adjustment is realized in combination with multi-source monitoring data.

The invention discloses an unmanned aerial vehicle co-frequency resonance deicing device and a deicing method, and relates to the field of high-voltage overhead conductor deicing, an unmanned aerial vehicle device is provided with a deicing device, the deicing device comprises a microwave generator and an ultrasonic generator which are oppositely arranged, and a power transmission line is located between the microwave generator and the ultrasonic generator. Microwaves and ultrasonic waves emitted by the microwave generator and the ultrasonic generator face the power transmission line; the deicing device comprises a resonant frequency detection device, the resonant frequency detection device is used for obtaining the resonant frequency of the icing position of the power transmission line, the frequency of ultrasonic waves emitted by the ultrasonic generator is the same as the resonant frequency of the icing position of the power transmission line, and the frequency of microwaves emitted by the microwave generator is the same as the resonant frequency of the icing position of the power transmission line. The ice layer is cracked by utilizing high-frequency vibration heating generated by ultrasonic waves and microwaves, so that the purpose of removing the ice layer is achieved. According to the method, a power grid line does not need to be contacted, and line damage possibly caused by direct impact is avoided.

The invention relates to an electromagnetic pulse collaborative deicing system based on multi-mode perception. The system comprises a power supply system; the FPGA controller is used for logic control and signal processing, calculating electromagnetic pulse parameters and realizing high-speed and accurate deicing instruction scheduling; a sensing module; a real-time detection system; a pulse generation unit; and the deicing module executes an electromagnetic pulse deicing action and efficiently removes ice covered on the surface of the power grid. The invention further discloses an electromagnetic pulse collaborative deicing method based on multi-mode sensing. Through the electromagnetic pulse technology, the power transmission and distribution line ice can be efficiently removed, compared with a traditional thermal ice melting method, the energy consumption is greatly reduced, the response speed is remarkably increased, and the deicing strategy and parameters are dynamically adjusted according to real-time monitoring data based on the real-time signal processor of the FPGA; the power supply priority can be dynamically adjusted according to the energy supply condition, the energy is improved to the maximum extent, and an accurate deicing basis is provided for the system.

A robotic device (300) for applying a coating and / or treatment to an overhead transmission or distribution line includes a pair of wheels (302), (304) configured to run on top of a conductor of the line. A pair of applicators (322), (323) are provided at leading and trailing ends of the device (300) for applying a coating or pre-treatment to the line. The wheels (302), (304) are mounted to a top bar (312) of a T shaped connector (315) of the chassis. The connector (315) includes a stem (314) suspending a main body (350) of the device (300) below the wheels. First and second tanks are located in first and second portions (354), (356) of the main body (350) for storing fluid for use in the pre-treatment or coating process. Fluid is supplied from the tanks to the applicators (322), (323) via pumps through fluid conduits disposed in a hollow interior of the connector (315).

Provided in the present application are a passive-impact-type mechanical deicing device and method for an overhead line. The mechanical deicing device comprises an outer cover, an inner cover, an elastic energy storage mechanism, a bumping control mechanism and a bumping mechanism, wherein the bumping control mechanism comprises a traction block, a jaw and a jaw limiting cylinder; and the elastic energy storage mechanism comprises a first elastic member and a second elastic member, the first elastic member being pressed when the inner cover slides downwards, and the second elastic member being pressed when the jaw slides downwards, such that the load generated by icing of a conductor can be accumulated. In the device and method, the elastic energy storage mechanism is used to accumulate the load generated by icing of a conductor, and when the load exceeds a set threshold, the bumping control mechanism automatically triggers the bumping mechanism to move to generate an instantaneous impact load to remove the ice coated on the conductor. In this way, there is no need for a power source, and bumping and reset can be automatically triggered according to the change in icing without manual intervention, thereby ensuring the deicing effect, preventing large-amplitude vibration of the conductor during ice breaking, and greatly improving the deicing reliability and safety. The device is suitable for long-term operation in harsh field environment.

The invention relates to the technical field of cable deicing, and particularly discloses a cable deicing device based on unmanned aerial vehicle hanging linkage self-locking, the cable deicing device comprises a rack, a deicing mechanism, a self-locking mechanism and a balance mechanism, the cable deicing device can cooperate with an unmanned aerial vehicle to carry out on-line and off-line operation, and the operation mode is more flexible; unlocking wire inlet in the hanging process and anti-falling protection in the deicing process are achieved through the self-locking mechanism; the two crawler-type deicing assemblies can be adjusted to be of a splayed structure through the distance adjusting assembly to clamp an iced cable, ice on the cable is ground and broken while walking is conducted, and the ice is made to fall off from the cable rapidly through the splayed extrusion effect of one ends of the two crawler-type deicing assemblies. The gravity center is adjusted through the balance mechanism, and stability is better in the walking process.

According to the technical scheme, the power transmission line comprises a plurality of lines, and the method comprises the following steps: calculating the ice thickness prediction value of each ice melting section based on the real-time ice thickness prediction value of each ice melting section, the bearing capacity of a tower, the tension and crossing distance of a ground wire, and the load of a hardware fitting and an insulator; calculating the real-time icing safety degree of each ice melting section; sequencing all the ice melting sections according to the real-time icing safety degree of each ice melting section to form an ice melting sequence set, and selecting the ice melting section with the highest ice melting urgency degree according to the ice melting sequence set to execute ice melting operation; in the ice melting process, ice melting current is intelligently regulated and controlled according to real-time monitoring data, a fastest ice melting mode or a common ice melting mode is selected according to an external instruction, and three strategies of aggressive, balanced and conservative are further subdivided in different modes; according to the invention, efficient and safe ice melting operation can be realized under complex working conditions, and the operation reliability and the ice melting efficiency of the power transmission line are remarkably improved.

The invention discloses an unmanned aerial vehicle carrying type ice stripping robot device for a distribution line. The unmanned aerial vehicle carrying type ice stripping robot device comprises an unmanned aerial vehicle system, a clamping guide mechanism, a docking mechanism, a camera mechanism and a wheel type ice stripping mechanism, the clamping guide mechanism comprises a top cover, a V-shaped wheel and a clamping wheel assembly, and the distribution line is clamped below the V-shaped wheel and is clamped by the clamping wheel assembly to advance; the unmanned aerial vehicle system is mounted above the top cover through the docking mechanism; the camera mechanisms are mounted on the front and rear sides of the top cover; the wheel type ice stripping mechanism comprises a connecting top plate, a planetary gear, a main gear and a cutter, the front end of the connecting top plate is installed on the top cover, the planetary gear is installed at the tail end of the connecting top plate, the main gear is arranged on the outer side of the tail end of the connecting top plate and meshed with the planetary gear, and the cutter is fixed to the main gear. The power distribution cable deicing device is compact in structure, high in automation degree, high in stability, simple and convenient in deicing operation, high in efficiency, safe and reliable, and power distribution cable deicing operation can be realized without power failure.

The invention relates to the technical field of cable deicing, and particularly discloses a caterpillar track rolling type cable deicing device and a control system, the caterpillar track rolling type cable deicing device and the control system can be used for cable deicing work, when a main control board receives an automatic deicing signal, the main control board controls a clamping driving device to drive two chain belts to be clamped in a splayed shape until the two chain belts are clamped in place, and the cable deicing work is completed. The clamping driving device stops driving; the main control board controls the eccentric vibration motor to start, and the other end of the chain belt vibrates in a reciprocating manner towards the cable for deicing so as to perform deicing operation at an initial position; the main control board controls the chain belt driving motor to start, and the chain belt vibrates, rolls and breaks ice while walking along the cable, so that mechanical deicing in the moving process of the caterpillar track rolling type cable deicing device can be realized through crushing and rolling under the condition that ice covering the surface of the cable generates stress fatigue due to mechanical vibration, and the service life of the cable is prolonged. The ice removing device can effectively remove ice with high binding force and thick ice layers such as glaze and mixed rime, and is high in ice removing efficiency and good in ice removing effect.

The invention discloses a method and a system for optimizing an intelligent ice melting device of an ultra-high voltage transmission line, which are applied to the field of transmission line maintenance, and comprise the following steps of: analyzing and processing state data of an iced line to obtain time-domain dynamic data reflecting ice layer thickness and wire temperature change, extracting harmonic components from the time-domain dynamic data, and calculating the ice layer thickness and the wire temperature change according to the harmonic components. Obtaining ice layer state frequency domain distribution data according to the harmonic component, and determining an ice layer state change trend according to the ice layer state frequency domain distribution data; constructing a power transmission line harmonic state space model, and reconstructing the optimized power transmission line harmonic state space model to obtain an ice layer impedance dynamic prediction model; in the actual ice melting process, the operation parameters of the ice melting device are dynamically optimized and adjusted according to the ice layer impedance dynamic prediction model. According to the method, the dynamic characteristics of the ice layer state can be accurately extracted, the ice melting efficiency and accuracy are improved, excessive ice melting or insufficient ice melting is avoided, and the operation safety of the power transmission line is enhanced.

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.