14385 results about "Tower" patented technology

The invention discloses a mixed tower structure full-life damage intelligent sensing array early warning system, which relates to the field of mixed tower structure detection and comprises a multi-modal data collection module, an array topology optimization module, a self-adaptive signal processing module, a digital twin life prediction module, a grading early warning module and a visualization system. The multi-modal data collection module comprises a multi-modal sensor array, a self-powered module and a wireless transmission module. According to the invention, a full-scale sensing network is constructed, full-dimension damage perception from distributed monitoring to sudden damage capture and structural modal analysis is realized, wavelet transform and blind source separation are combined to eliminate environmental noise interference, a damage characteristic ultrasonic attenuation coefficient, an acoustic emission energy spectrum peak value, optical fiber strain gradient anomaly and vibration modal frequency deviation are extracted, and the detection accuracy is improved. And classification and positioning of damage types and intelligent diagnosis of severity levels are realized through a convolutional neural network and long and short memory neural network hybrid model, and a closed-loop processing flow from data acquisition to feature analysis is formed.

The invention discloses a wind turbine generator hoisting construction tower drum operation system and a construction method thereof, and relates to the technical field of intelligent control. The problems that in the prior art, a static tension balance mechanism cannot restrain bending moment abrupt change, steel-concrete interface stress concentration causes microcrack propagation, the wave dynamic load compensation capacity is insufficient, and dynamic rigidity attenuation early warning is lacked are solved. Comprising a dynamic load prediction module, a multi-mode vibration suppression module, an offset compensation module and a digital twinborn decision module, a hoisting load is solved in real time through a multi-physics field coupling model and an improved time sequence deep learning algorithm, and interface crack propagation is suppressed in combination with traveling wave offset control and sweep frequency vibration. An improved Morison equation is adopted to drive a two-stage hydraulic servo to compensate a wave dynamic load, and a digital twin closed-loop correction mechanism is constructed based on a 5G URLLC protocol; the tower drum hoisting precision, the structural safety and the operation reliability under the complex working condition are remarkably improved.

The invention relates to the technical field of geological landslide monitoring, in particular to a tower footing geological landslide monitoring and early warning system and method. The method comprises the following steps: arranging an inclination angle sensor, a Beidou-GNSS module, a soil moisture content probe and a micro-seismic accelerometer on a tower footing and the periphery of the tower footing, and collecting the inclination amount, three-dimensional displacement, soil moisture content and vibration response information of the tower footing to form a monitoring original data set; timestamp unification, WGS-84 projection coordinate system conversion and multi-frequency vibration elimination are carried out on the monitored original data set, and an air-ground integrated displacement profile is constructed; the whole process realizes high integration and automation in the aspects of data acquisition, processing, fusion and transmission, so that the timeliness, accuracy and data integrity of landslide risk monitoring are ensured, and scientific decision support is provided for disaster prevention and reduction.

The invention discloses a method for continuously and efficiently adsorbing and separating hydrogen isotopes. The hydrogen isotopes are separated by adopting a multi-tower variable-temperature variable-pressure device operated in a simulated moving bed operation mode. When the device runs, each adsorption tower needs to sequentially execute the following steps: 1, adsorption; 2, replacement; 3, heating; 4, vacuumizing and desorbing; 5, carrying out vacuum purging; 6, pressurizing and cooling; the operation mode of the simulated moving bed is that an adsorption tower is frequently, sequentially and synchronously moved along the gas flowing direction in the tower through all gas input and output ports, so that an adsorbent phase and a gas flowing phase in the tower form countercurrent flow, and the hydrogen isotope adsorption separation efficiency is enhanced. The invention relates to a technological process of cyclic adsorption, replacement, heating, vacuum desorption, pressurization and cooling, continuous and efficient hydrogen and isotope adsorption separation is realized, multi-tower serial adsorption and replacement are adopted in the process, and separation of hydrogen isotopes (such as H2 / D2) is enhanced; and the desorption efficiency of heavy components is improved by adopting a heating and vacuumizing depressurization coupling mode.

The invention relates to the technical field of mixed tower wind power tower monitoring, and discloses a real-time monitoring method and system for the perpendicularity of a mixed tower wind power tower. The system comprises a data sensing layer, a communication control layer and a perpendicularity analysis layer, wherein the data sensing layer realizes multi-point synchronous measurement and dynamic calibration of tower deformation through a displacement sensor array, a dipmeter and the like; the communication control layer completes multi-source data time synchronization, format standardization and fusion transmission through edge calculation, protocol conversion and space-time registration technologies; the perpendicularity analysis layer combines design parameters and real-time data to construct a holographic tower space attitude model, and deformation prediction, benchmark correction and abnormity warning are achieved through a dynamic weighting algorithm. The method comprises the steps of data acquisition and calibration, processing and transmission, model construction analysis and result output. The method achieves the real-time precise monitoring of the perpendicularity of the tower, improves the operation safety, and is suitable for the state monitoring of the mixed-tower wind power tower.

The invention discloses a concrete cable bent tower construction modeling method based on a BIM technology, and relates to the technical field of bridge construction, a BIM model is adopted to extract three-dimensional coordinates of each node of a stiff skeleton and then carry out positioning, after the stiff skeleton is assembled, if deviation exceeds a limit, a correction instruction is automatically generated, template data is collected in real time, and construction parameters of a next section are rehearsed based on the BIM model. Dynamically adjusting the template, rehearsing the spatial pose of the cable conduit, calculating the thermal deformation compensation amount, then correcting the installation error in real time, simulating the concrete pouring process, dynamically optimizing the pouring strategy, generating a completion model after each section is constructed, automatically comparing and analyzing the completion model and the BIM model, and generating a BIM model optimization strategy. According to the method, local adjustment is conducted on position conflicts of various embedded parts, cable conduits, pouring joints and the like by building the BIM model, segment division capable of directly guiding site construction is formed, the construction control level is effectively improved, rework is reduced, and the construction efficiency is improved.

The invention provides a wind power mixed tower damage prediction method and system based on digital twinning. The method comprises the steps of obtaining multi-source data of a wind power mixed tower; wherein the multi-source data comprises structure response data, environment load data and historical operation and maintenance data; based on a building information model and finite element model fusion technology, constructing a digital twinborn model of the wind power mixing tower; inputting the multi-source data into a digital twinborn model to realize real-time mapping of the wind power mixed tower and the digital twinborn model, and obtaining real-time structure state data of the wind power mixed tower through the digital twinborn model; inputting the multi-source data and the real-time structure state data into a pre-trained LSTM-GRU hybrid neural network model, and predicting a damage evolution trend of the wind power hybrid tower in combination with an attention mechanism; and on the basis of the damage evolution trend, a maintenance scheme of the wind power mixed tower is generated by using a multi-target particle swarm algorithm, so that balanced optimization of maintenance cost, power generation loss and risk level is realized, and the operation and maintenance efficiency and safety of the wind power mixed tower are integrally improved.

The invention discloses a multi-element historic building maintenance and restoration method based on three-dimensional laser scanning, and relates to the technical field of computer processing, and the method comprises the following steps: S01, obtaining the three-dimensional point cloud data of a historic building foundation through a ground laser scanner, the basic three-dimensional point cloud data comprises geometric information of a building facade, a ground structure and a near-ground decoration component; s02, an unmanned aerial vehicle carries a multi-line laser scanning device to scan the top and the high-altitude structure of the building, supplementary point cloud data is generated, and the millimeter-level precision three-dimensional coordinates of the pitched roof, the tower eave and the cornice bracket are covered with the supplementary point cloud data; and S03, synchronously acquiring surface texture data of the historic building by adopting multispectral imaging equipment. According to the method, the millimeter-level precision of three-dimensional reconstruction of the historic building is realized through multi-source data fusion and a hierarchical optimization algorithm, and the maintenance decision efficiency is improved by combining automatic disease recognition and a multi-modal analysis technology.

The invention discloses an automatic three-dimensional reconstruction method and system based on power transmission corridor point cloud. The method comprises the following steps: acquiring data and exporting point cloud data; noise points, outliers and ground points are removed from the acquired point cloud data of the power transmission corridor, and down-sampling is performed on the point cloud with a large data volume; performing clustering segmentation on the preprocessed point cloud of the power transmission corridor, positioning the position of a tower, determining a point cloud range of a power line, and removing point clouds of other objects on the ground; aiming at the structural characteristics of a power line and an insulator in the power transmission line, extracting point clouds of the power line, the insulator and a tower by adopting a geometric constraint principal component analysis (PCA) algorithm; performing automatic geometric model reconstruction on the tower, insulator and power line point clouds according to different reconstruction rules to generate each module grid model; and transforming the grid model of each module, restoring the grid model to the original position of the point cloud, and generating a power transmission line digital twin model conforming to the real size. According to the method, automatic segmentation, classification and real-time reconstruction can be accurately carried out on the point cloud of the power transmission corridor.

The invention discloses a pole climbing robot for a wind power tower pole, which is characterized in that the robot mainly comprises a robot body, 4-8 pole climbing mechanisms, a snake-shaped swing arm and a movable studio, wherein the snake-shaped swing arm and the movable studio are mounted on one side of the robot body; the robot body is an annular body formed by combining two semicircular cambered bodies or three equal cambered bodies; the diameter of an internal ring of the circular body is matched with the diameter of the wind power tower pole; the pole climbing mechanisms mainly comprise upper foot wheels, lower foot wheels, connecting arms, driving gears, thrust screw rods, nut gears and supporting seats; the upper foot wheels are connected with the lower foot wheels by the connecting arms through wheel shafts; the connecting arms are connected with the thrust screw rods by connecting pin shafts on the connecting arms, and form movable hinges; the 4-8 pole climbing mechanisms are distributed in the circular robot body uniformly; the snake-shaped swing arm consists of three swing arm parts, namely a large arm, a middle arm and a small arm; and the movable studio comprises two paralleled linear guide rails, a walk driving device and an operation room.

The utility model provides an angle steel tower foot welding processing platform, and relates to the technical field of welding processing platforms, the angle steel tower foot welding processing platform comprises a workbench, the top of the workbench is fixedly connected with a fixing assembly, and the top of the fixing assembly is fixedly connected with a plurality of limiting assemblies; the fixing assembly comprises a fixing frame, a plurality of mounting grooves are formed in the top of the fixing frame, and threaded rods are rotationally connected to the inner surfaces of the mounting grooves. According to the utility model, through the cooperative use of the first handle, the threaded rod, the guide rod, the moving block, the clamping block and the mounting groove, not only can the tower foot bottom plate be fixed, but also the limiting assembly can be driven to move synchronously, and then through the cooperative use of the second handle, the bidirectional screw rod, the clamping plate, the auxiliary rod and the limiting frame, the tower foot bottom plate can be fixed. And the cross-shaped tower frame on the tower foot bottom plate is clamped and fixed, so that the tower foot bottom plate and the cross-shaped tower plate are conveniently welded after being fixed, and the welding efficiency of the tower foot is improved.

The invention provides a power transmission line mountain fire disaster risk assessment method and system based on space-time event driving, and the method comprises the steps: obtaining mountain fire monitoring data of a to-be-assessed region, and generating a space-time event according to the mountain fire monitoring data; according to an event association rule, the space-time event is associated with a power transmission line tower through a directional edge, and then a power transmission line mountain fire disaster hidden danger map is constructed; performing similarity matching on the time-space events generated in real time and the time-space events in the power transmission line mountain fire disaster hidden danger map, and searching the corresponding time-space events in the power transmission line mountain fire disaster hidden danger map by adopting a map traversal algorithm; and for the searched towers influenced by the space-time events, quantitatively calculating the risk score of each tower based on the data values of the real-time space-time events, and dividing the risk grades according to the risk scores. According to the method, the association precision of power transmission line risk assessment and the precision and efficiency of power transmission line forest fire prevention and control can be improved.

The invention relates to the field of electric power engineering, and discloses a cement electric tower foundation differential settlement monitoring method and system, and the method comprises the steps: obtaining cement electric tower foundation bearing parameters and environmental geological data, constructing a sensing displacement array, deploying basic monitoring points, calibrating an initial reference value, and then collecting displacement data in a fixed time period, the method comprises the following steps: calculating a uniform settlement amount, generating a deformation early warning signal in combination with inclination angle information, analyzing a support weak area according to the early warning signal, determining a reinforcement priority, detecting stress distribution and a crack propagation trend, generating a settlement regulation and control instruction, analyzing instruction feedback data, identifying an abnormal settlement mode, calculating an instability risk coefficient, and compensating and correcting offset data. And analyzing a settlement evolution rule, and finally making a grading maintenance strategy. The maintenance safety and stability of the cement electric tower structure can be improved.

The invention discloses a cavity type mixed tower fan foundation formwork construction method. Comprising the steps of cushion layer pouring, pay-off, cavity foundation slab steel bar binding, annular support system erecting, foundation lower inner formwork supporting and inner support frame body arranging, cantilever anchoring end bottom formwork frame body supporting, cantilever anchoring end bottom formwork installing, foundation upper inner formwork supporting and inner support arranging, anchor backing plate and prestressed pipe installing, steel bar binding and annular support system erecting. And a foundation outer formwork is installed. Compared with the prior art, formwork erecting is formed at a time, a foundation is integrally poured, and the overall construction quality is guaranteed; the problem of leakage caused by two-time pouring of a construction joint part is avoided, water stop steel plates are reduced, and materials are saved; the inner supporting frame bodies are radially arranged with the center of the circle and the center of the stand column as a supporting point, and structural stress is reasonable. The supporting frame body is simple in structure, neat, attractive, reasonable in stress and easy to operate, the center stand column is recycled, and construction is efficient.

The invention relates to the technical field of intelligent operation inspection of power transmission lines, in particular to an intelligent tower detection method and a satellite image processing system, and the method comprises the steps: obtaining tower space information through constructing a tower information database, carrying out the complexity judgment of the tower space information, and carrying out the labeling processing of the tower space information according to a judgment result, the method comprises the following steps: acquiring tower marking data, training a tower identification model according to the acquired tower marking data, then performing correction fusion on tower detection information, acquiring correction detection information, identifying the correction detection information according to the tower identification model, and outputting a tower identification result; through the method, the problems of low identification precision, low efficiency and high marking cost of a traditional tower identification method in a large-scale and high-complexity scene are effectively solved, the tower detection precision is improved, the adaptability of a model in a complex environment is enhanced, and the intelligent level and the operation and maintenance efficiency of electric power inspection are improved.

The invention discloses a safety monitoring system of a high transverse support system for cable-stayed bridge man-shaped tower column construction, and relates to the technical field of bridge construction monitoring, the system comprises a creeping formwork integrated sensing module used for generating a point cloud model by using a mechanical arm integrated on a hydraulic creeping formwork platform and a laser radar scanning tower column curved surface, combining with a preset building information model coordinate, adaptively adjusting the mounting posture of the sensor, and outputting the mounting coordinate position of the sensor; the optical fiber sensing network module is used for collecting original strain and temperature data by using a distributed optical fiber sensor deployed along a main stress path of the support truss; an inertial navigation fusion positioning module; a digital twinning early warning module; and an edge calculation relay module. According to the invention, a full-process monitoring chain from data acquisition to risk early warning is constructed through cooperation of multiple modules, full-period and multi-dimensional dynamic control of construction of the human-shaped tower column high transverse support system is realized, and timely perception and overall control of potential risks are ensured.

The lightweight design method for the steel-concrete combined wind power tower drum based on the topological optimization algorithm comprises the steps that S1, a multi-physics field coupling model of the steel-concrete combined wind power tower drum is constructed, and coupling parameters are determined; s2, material layouts of the steel-concrete combined wind power tower drum on the macro scale and the micro scale are obtained, and multi-scale collaborative optimization is carried out by dynamically adjusting scale parameters; s3, constructing a material distribution strategy, determining the distribution form and orientation of a steel material in a tension area and a compression area of the tower drum, and reasonably configuring a concrete material; s4, predicting tower performance under different design variables through the deep neural network model; and S5, performing multi-target evaluation on the optimized steel-concrete combined wind power tower drum design scheme, and determining a lightweight design scheme by constructing a comprehensive evaluation function and weighing the relationship between targets. According to the method, on the premise that the mechanical property and the structural reliability of the wind power tower drum are guaranteed, accurate regulation and control and lightweight design of material distribution are achieved.

The invention provides a ship surface spraying device. The ship surface spraying device comprises a lifting driving source, a lifting transmission mechanism, a movable walking chassis assembly, a plurality of equipment rooms, a tower, a control tower capable of being installed on the tower in an up-down moving mode, a telescopic arm capable of stretching out and drawing back horizontally and spraying equipment. The walking chassis assembly comprises a walking chassis and a pair of driving wheels installed on the walking chassis in the walking direction perpendicular to the walking chassis, each driving wheel comprises a walking driving source installed on the walking chassis and a rotatable driving wheel body, and the walking driving sources are in transmission connection with the driving wheel bodies. The walking driving sources of the two driving wheels are mutually independent; the multiple equipment rooms, the lifting driving source and the tower are all fixedly installed on the top of the walking chassis, the lifting driving source is in transmission connection with the control tower through the lifting transmission mechanism, the inner end of the telescopic arm is installed on the control tower, and the spraying equipment is installed at the outer end of the telescopic arm. According to the spraying equipment, automatic spraying operation on the outer surface of the ship is achieved, and the spraying efficiency is high.

The invention discloses a twinborn cooperative intelligent operation and maintenance method for a wind power tower group, and relates to the technical field of wind power generation towers, and the method comprises the following steps: S1, sensor deployment and real-time data collection; the method comprises the following steps: acquiring operation state data and environmental parameters through a sensor network deployed in each wind power generation tower in a wind power plant; s2, digital twinborn body construction and early warning are carried out; constructing a corresponding digital twinborn body for each wind power generation tower, wherein the digital twinborn body integrates a physical mechanism model and a prediction module driven by real-time data; generating a fault early warning signal and a health degree evaluation result based on the deviation between the simulation output of the digital twin and the sensor data; s3, multi-agent collaborative decision making is carried out; step S4, performing closed-loop optimization; according to the twinborn cooperative intelligent operation and maintenance method for the wind power tower group, the fault early warning precision is improved, the service life prediction error is compressed, the maintenance efficiency is improved, and the wake flow loss is remarkably reduced.

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 provides a multi-tower linkage control method and system in waste gas treatment and a medium, and relates to the technical field of automatic control, and the method comprises the following steps: building a multi-tower linkage control architecture; collecting target waste gas composition data, performing working condition matching analysis on the composition data and a waste gas cooperative treatment tower group, determining process parameters of a matched treatment tower and a target treatment tower group for linkage treatment, and monitoring waste gas change parameters of the treatment towers; and when the waste gas change parameter reaches a waste gas switching threshold value, performing dynamic switching regulation and control by adopting a multi-tower linkage switching strategy, and determining a multi-tower linkage control strategy parameter to perform closed-loop treatment control on the target waste gas. The technical problems that in the prior art, a real-time sensing and dynamic response mechanism based on waste gas composition changes is lacked, so that the utilization rate of a treatment tower set is low, and complex and changeable waste gas treatment requirements cannot be efficiently and stably met are solved, and the technical effect of improving the waste gas treatment efficiency and stability is achieved.

The invention discloses a tower detection data optimization analysis method and system based on a point cloud model, and belongs to the technical field of electric power facility detection. Clustering analysis is carried out on original point cloud data of a tower by adopting a clustering algorithm, and different point cloud clusters are generated for different parts of the tower; finding out the central axis of the pole tower through a central axis fitting algorithm, carrying out the positioning and structural analysis of the pole tower according to the central axis, carrying out the sorting and splicing of the point cloud clusters of all parts of the pole tower according to the central axis, and comparing the point cloud data with ideal pole tower model data, and obtaining a target pole tower three-dimensional point cloud model; the health condition of the pole tower is evaluated through the model, integration of point cloud data of different parts of the pole tower is achieved, the construction precision of the pole tower three-dimensional point cloud model is improved, and therefore the pole tower condition detection accuracy is improved.

The invention discloses a power transmission line key part stress state real-time analysis and early warning system. The system comprises a sensor acquisition module, a wireless communication module, a data processing and analysis module, an early warning response module and a visual monitoring module. The sensor acquisition module comprises a tension stress sensing unit, a displacement and attitude sensing unit and an environment monitoring unit; the data processing and analysis module comprises a data receiving and storage module, a data preprocessing module, an intelligent analysis module and a health assessment module. According to the invention, real-time high-precision monitoring is carried out on the stress state of the tower pole and the wire of the power transmission line, intelligent analysis and risk early warning are carried out according to the monitoring data, personnel can find and process in time conveniently, the safety risk is reduced, and the safety and stability of power grid operation are ensured.

The invention discloses an old wind power plant fan foundation small-to-large capacity increasing structure and a transformation construction method. The old wind power plant fan foundation small-to-large capacity increasing structure comprises an original fan foundation, a newly-poured reinforced concrete foundation, a vertical anchor bolt cage connecting system and a radial anchor bolt connecting system. The connecting structure of the bottom section of the new fan tower drum and the new fan foundation comprises a vertical anchor bolt cage connecting system and a radial anchor bolt connecting system. The vertical anchor bolt cage connecting system is fixed in the original fan foundation, and the radial anchor bolt connecting system is fixed in the newly-poured reinforced concrete foundation. According to the new fan foundation, the diameter of the middle pier is expanded so as to arrange a new tower tube, the height of the middle pier is not changed, the height of the middle pier of the newly-poured foundation almost does not need to be increased, and the using amount of concrete is greatly reduced. Meanwhile, according to the structure, an original vertical anchor bolt cage connecting system is reserved, a radial anchor bolt connecting system is adopted for enhancing connection between the bottom section of the fresh air fan tower barrel and the fan foundation, the transformation cost and the connection reliability are effectively controlled, and the maximization of reutilization of the original fan foundation and the controllability of the cost of the fresh air fan foundation are achieved.

The invention discloses a collaborative enhancement energy consumption mechanism and a support arm type fan tower drum damping device with the collaborative enhancement energy consumption mechanism, and relates to the technical field of engineering structure vibration, the collaborative enhancement energy consumption mechanism comprises a liquid column lever assembly and a plurality of inerter damping units symmetrically installed at the end of the liquid column lever assembly, and each inerter damping unit comprises a shell; the hydraulic damper and the linear-rotation converter are sequentially and axially installed in the shell from top to bottom, when the liquid column inclines, the first connecting plate is driven to drive the piston rod to stretch out and draw back, the piston rod drives the flywheel to rotate through the linear-rotation converter, and therefore vibration energy is transmitted to a fixed foundation structure through the second connecting plate to be dissipated; the invention further discloses a supporting arm type fan tower drum vibration reduction device, displacement of the vibration transmission part is transmitted to the liquid column lever through the connecting piece, the inerter damping unit is driven to stretch out and draw back, a complete energy consumption chain of the tower drum, the vibration transmission part, the connecting piece, the liquid column, the inerter damping unit and the ground is formed, and it is guaranteed that energy is stably transmitted to a fixed foundation structure.

The invention discloses a dynamic monitoring method and system for settlement and inclination of a tower drum of a wind generating set, and relates to the technical field of safety monitoring of wind power generation infrastructure, the method comprises the following steps: synchronously collecting inclination data and positioning data of each monitoring point, and carrying out space-time alignment to obtain a fusion data set; decoupling the dynamic elastic response of the tower drum and the steady-state deformation of the foundation from the fused data through frequency domain analysis, and further calculating the overall inclination rate, the settlement amount and the non-uniform settlement rate of the tower drum; performing safety assessment based on the calculated parameters and a preset safety threshold, and determining a basic safety state and a risk mode; and finally, generating graded early warning information and decision information including risk positioning and trend prediction according to an evaluation result. Through the above mode, the method achieves the precise separation and monitoring of the dynamic deformation characteristics of the tower drum, improves the accuracy of safety evaluation and the timeliness of early warning, and provides an effective data support for the operation and maintenance decision of a wind generating set.

The invention provides a multi-source energy storage self-power supply method and system for an iron tower, equipment and a storage medium, and belongs to the technical field of iron tower power supply, and the method comprises the steps: inputting historical load data of the iron tower into a time sequence model, and obtaining a load demand of the iron tower; inputting meteorological data of the geographic position of the iron tower into the power prediction model to obtain wind power and photovoltaic power; determining a charging strategy of the energy storage battery based on the load demand, the wind power, the photovoltaic power and the charge state of the energy storage battery; and determining a self-power-supply control strategy according to the charging strategy of the energy storage battery, and selecting any one of a wind-solar power generation device, the energy storage battery or a power grid to supply power to the iron tower based on the self-power-supply control strategy. According to the multi-source energy storage self-powered method and system for the iron tower, the equipment and the storage medium, the overall operation cost of the iron tower is effectively reduced.

An electrical connector for use in a compact system. The connector includes a housing having a pair of towers and an elongated slot between the towers. Each tower has an ejector, a rotator, and a locking member disposed therein. The rotator has a first arm coupled to the ejector and a second arm extending into the slot for coupling to a mating component inserted into the slot. When the first arm is pushed down by the ejector, the second arm pushes up the mating component, causing the locking member to deform so as to release the mating component. When the second arm does not push the mating component, the locking member is in its rest state and locks the mating component in the slot; Such a configuration enables the connector to unmate with a mating component without latches that move outside a perimeter of the connector.

The invention relates to the technical field of wind power tower monitoring, and discloses a wind power tower health monitoring method and system. The method comprises the following steps: acquiring structural vibration signals and environmental load data of a wind power tower drum, extracting dynamic response characteristics of the tower drum, and establishing a basic monitoring data set of the running state of the tower drum in combination with the environmental load data; performing multi-dimensional decomposition processing on the basic monitoring data set, separating an inherent frequency component, a damping characteristic parameter and an external excitation coupling component of the tower drum, and constructing a first evaluation index of tower drum structure health according to the relevance between the inherent frequency component and the damping characteristic parameter; historical damage records and material degradation data of the tower drum are obtained, the historical damage records and the external excitation coupling component are subjected to time sequence alignment analysis, and a second evaluation index of tower drum damage evolution is generated; and fusing the first evaluation index and the second evaluation index, establishing a comprehensive scoring model of the health state of the tower drum, dividing the health level of the tower drum, and outputting a real-time monitoring report.

The invention relates to an ultra-high voltage line lightning resistance level evaluation method and device based on a tower head gap structure. The method comprises the following steps: constructing a simulation model according to line structure information and electrical parameters of an extra-high voltage line and tower structure information of a power transmission tower; inputting lightning current waveform parameters and lightning channel wave impedance parameters of the extra-high voltage line into the simulation model to obtain voltage distribution information and current propagation characteristic information of the extra-high voltage line under a lightning stroke condition; flashover criterion information is determined according to the insulator string discharge voltage characteristic information and the tower head air gap breakdown voltage characteristic information of the extra-high voltage line; and according to the voltage distribution information, the current propagation characteristic information and the flashover criterion information, determining a lightning resistance level evaluation result. By adopting the method, the influence of the breakdown characteristic of the tower head air gap, the complexity of the tower structure and the dynamic characteristic of lightning current propagation on the lightning resistance level evaluation can be comprehensively considered, and the accuracy of the lightning resistance level evaluation result of the extra-high voltage line is improved.