85 results about "Valve hall" patented technology

The invention relates to a multispectral extra-high pressure valve hall defect identification method. The method comprises the following steps: acquiring multispectral image data of a device in an extra-high pressure valve hall and preprocessing the multispectral image data; constructing a multispectral feature extraction network; designing a cross-modal feature fusion network; the fused features are input into an improved YOLOv11 network; forming a defect identification model; and training a defect identification model by adopting a three-stage progressive framework. According to the method, a high-quality multi-modal training data set is constructed through space-time synchronous registration and an adaptive data enhancement strategy, so that the generalization ability of the model is remarkably improved, and high-precision collaborative recognition of various defects such as cracks, corrosion and discharge is realized; the multi-modal recognition accuracy is kept to be larger than 90% and is improved by 30% compared with a single-spectrum method, the real-time monitoring requirement of the valve hall is met based on the YOLO frame, the method is successfully applied to an online monitoring system of the extra-high-voltage valve hall, efficient and reliable technical support is provided for intelligent operation and maintenance of power equipment, and the method has remarkable engineering application value and market prospects.

The invention discloses an SVG valve hall multi-source monitoring data fusion method and fusion system, and belongs to the technical field of power system equipment monitoring, and the method comprises the steps: carrying out the abnormal value and missing value data cleaning of initial data, outputting the preprocessed monitoring data, carrying out the algorithm matching of the preprocessed monitoring data to complete the time-space unification, and carrying out the fusion of the SVG valve hall multi-source monitoring data. Extracting associated features, forming a multi-source feature parameter set, quantifying data source reliability differences and locking key features by taking the multi-source feature parameter set as a reference, forming a dynamic fusion weight distribution scheme and key feature data, calling the multi-source feature parameter set, and eliminating feature conflicts; and generating a comprehensive fault diagnosis result and a health state evaluation index of the valve hall equipment, outputting early warning information and maintenance decision suggestions, and completing the whole data fusion closed-loop application. And a more efficient monitoring scheme is provided for safe operation of valve hall equipment.

The invention discloses a high-voltage cascade valve hall energy storage broadband oscillation self-adaptive layered suppression system and method, and the system comprises a system layer controller, a valve hall layer controller and a unit layer controller which communicate through a dual-redundancy Ethernet. The system layer controller achieves the global oscillation monitoring and task distribution based on the electrical quantity of a grid-connected point. A valve hall layer controller monitors the state of the power unit, calculates the optimal control parameter and coordinates the action of the unit; and the unit layer controller receives the parameters, adaptively adjusts and executes control. The method comprises the steps that oscillation modes and risks are recognized through multi-domain detection; a Gaussian distribution function distributes a valve hall task weight; performing pole assignment to optimize PI parameters; performing feedforward compensation and PWM optimization execution suppression; the effect is evaluated regularly and adjusted dynamically, and reference parameters are recovered gradually after oscillation is eliminated. According to the invention, the layered architecture of the high-voltage cascade energy storage system is fully utilized, a three-level cooperative control strategy is designed, control parameters of each layer are adaptively adjusted according to oscillation characteristics, and rapid and accurate suppression of broadband oscillation is realized.

The invention relates to the technical field of converter stations, in particular to a back-to-back converter station arrangement type based on the SLCC technology, and a power conversion unit comprises a first valve hall and a second valve hall; a direct-current field is arranged between the first valve hall and the second valve hall, and a direct-current field middle road, a smoothing reactor and a connecting reactor are arranged in the direct-current field; an LCC valve and an SVF valve are arranged in each of the first valve hall and the second valve hall; dC wall bushings are arranged on the hall walls, close to one side of the DC field, of the first valve hall and the second valve hall, and AC wall bushings are arranged on the hall walls, away from one side of the DC field, of the first valve hall and the second valve hall; the direct-current side of the LCC valve is connected to the smoothing reactor through a direct-current wall bushing, and the wire outlet side of the SVF valve is connected to the connecting reactor through the direct-current wall bushing. Therefore, the capacity transmission requirement can be met through the characteristics of the LCC valve, the dependence on an alternating current system is reduced through the characteristics of the SVF valve, the field of a conventional direct current alternating current filter is canceled, the occupied area is reduced, installation and maintenance are convenient, and the cost is reduced.

The application belongs to power transmission and transformation engineering technical field, and provides an interactive displacement amplification type wide-width isolation device and method for valve hall of converter station. The system comprises a top rubber block, side plates, a transverse energy dissipation device, a connecting rod, a displacement amplifier, a longitudinal damper, a spring piece, a fixing rod and a base. One end of each side plate is connected to two ends of the top rubber block respectively, and the other end of each side plate is inserted into the transverse energy dissipation device to realize transverse displacement through the transverse energy dissipation device. The side surface of the transverse energy dissipation device is fixed on the base with a cavity. The lower part of the transverse energy dissipation device is connected to the bottom surface of the base through the fixing rod. The lower part of the top rubber block is fixed with the connecting rod and forms an integral whole. The lower part of the displacement amplifier is connected to the longitudinal damper. The lower part of the longitudinal damper is an arc surface and is attached to the arc surface of the base. The two sides of the longitudinal damper are respectively attached to a spring piece. The horizontal and vertical vibrations are synchronously and efficiently dissipated.

The utility model discloses a valve hall roof supporting arrangement structure, which relates to the technical field of valve hall roofs and comprises a frame and a mounting seat. Fixing rods are fixed to the left side face and the right side face of the frame, the outer side ends of the fixing rods are fixedly connected with the middle of the inner side face of the mounting plate, the mounting base is mounted in the middle of the top face of the frame, the top face of the mounting base is connected with the bottom end of the support, and the top end of the support is connected with the bottom face of the fixing base. A fixing bolt is rotatably mounted in a through hole in the surface of the mounting seat, the fixing bolt is in threaded connection with a screw hole in the surface of the frame, and a mounting unit is arranged on the bottom surface of the frame; according to the valve hall roof supporting arrangement structure, the first connecting columns and the second connecting columns which are arranged in a crossed mode are adopted, the stability of connection between the frames can be improved, meanwhile, the first supporting steel and the second supporting steel which are obliquely arranged in a staggered mode can increase the bearing capacity of the frames, and different devices can be conveniently installed and used in cooperation with the movable I-shaped steel.

The application relates to a water trace detection system for a valve hall of a converter station, which is installed in the valve hall of the converter station and is characterized in that the system comprises a water trace inspection robot, a robot lifting platform and a robot lifting platform track, the robot lifting platform track is installed in the valve hall of the converter station along a vertical direction, the robot lifting platform is installed on the robot lifting platform track and is in sliding connection with the robot lifting platform track, the inspection robot moves between a patrol corridor of the valve hall of the converter station and the valve hall through the robot lifting platform, a patrol guide line is arranged on the ground of the valve hall of the converter station, and the water trace inspection robot patrols along the patrol guide line. Compared with the prior art, the application has the advantages of effectively realizing detection of water traces in the valve hall, high reliability and strong practicability.

The invention discloses a control system and method for a water leakage detection device of a converter station valve hall ceiling, and the system comprises a meteorological information server communication module, a first temperature sensor, a second temperature sensor, a rainfall judgment module, and a water leakage detection control module. The working state of the water leakage detection device can be intelligently regulated and controlled according to real-time meteorological data and laser temperature information. The system obtains rainfall prediction in a future preset time period through the meteorological information server, and dynamically judges the current rainfall condition in combination with the real-time rainfall state of the roof rainfall sensor. According to different rainfall states, the water leakage detection control module respectively controls the laser to enter three working modes, and the control system realizes intelligent adjustment based on environment and meteorological conditions, ensures the accuracy of water leakage detection and equipment safety, and is suitable for long-term stable operation and efficient maintenance of the ceiling of the converter station valve hall.

The application relates to a direct-current transformer valve hall arrangement structure which adopts the technical scheme that: a direct-current transformer valve hall arrangement structure is characterized in that the valve hall is internally arranged with positive and negative electrode valves of a direct-current transformer; one side of the valve hall is a low-voltage direct-current incoming line end; the other side is a high-voltage direct-current incoming line end and a common incoming line end; and each incoming line end is connected with an external device through a wall or floor sleeve at different positions of the valve hall. The positive and negative electrode valves of the direct-current transformer are arranged in the valve hall, the arrangement is reasonable and compact, the space utilization rate is high, and the valve hall space is saved.

The application provides a DC valve hall wall bushing structure, which comprises a plurality of pipe sections axially sleeved on a current-carrying guide rod, and a moving ring axially movably sleeved outside the pipe sections; the moving ring is driven to move on the pipe sections in a direction close to an adjacent first connecting ring, so as to trigger a first positioning assembly and a second positioning assembly respectively, so that the first positioning assembly locks the relative position between the adjacent first connecting ring and a second connecting ring, and the second positioning assembly locks the relative position of the current-carrying guide rod inside the pipe section. The traditional integrated bushing is improved into a sectional structure with a plurality of pipe sections axially sleeved, so that the transportation, installation and maintenance difficulties of the super-long bushing are effectively solved, the problem of excessive cantilever load caused by the single body being too long and too heavy can be avoided, and the butt joint between the pipe sections and the fixation between the pipe section and the current-carrying guide rod can be conveniently and efficiently completed by driving the moving ring only, so that the structure is stable, the operation is simple, and the mechanical reliability is high.

The invention provides a valve hall wall profiled steel sheet construction robot and method, and relates to the technical field of building construction automation, and the robot comprises a body structure, a moving mechanism, a mounting mechanism, a sensing and recognition system and a control system. The body structure adopts a collaborative design of a vertically arranged truss and a wheel train; the moving mechanism comprises a body moving mechanism and an unmanned trolley, the body moving mechanism accurately moves along the vertical wall surface of the valve hall, and the SLAM unmanned trolley constructs a map to move and transport steel plates along with the truss in real time; the mounting mechanism is used for hoisting, positioning and fixedly mounting the profiled steel sheet through a three-degree-of-freedom screw turning device and a hoisting mechanical claw; the perception and recognition system recognizes the installation position of the profiled steel sheet through the machine vision and the deep learning technology, and self-positioning and path planning are achieved in combination with the SLAM technology. The construction efficiency of the profiled steel sheet can be effectively improved, the labor intensity of workers and the high-altitude operation risk are reduced, and intelligent construction is achieved.

This application belongs to the field of UAV path planning technology and provides a hierarchical collaborative 3D path planning method for UAVs in converter valve hall inspection. The method includes: first, equating the valve tower to a square column and the casing to a cylinder, constructing a 3D occupying grid and expanding it to obtain a feasible flight domain; within the domain, constructing a total cost function including path length, safety, altitude window, altitude difference, angle smoothing, and electromagnetic penalty; then, running the A* algorithm on a low-resolution grid to generate a global coarse path and construct a guiding corridor; under corridor constraints, using the RRT* algorithm for bias sampling and reconnection optimization to obtain a continuous and smooth reference path; finally, using DWA in velocity space for dynamic feasibility screening and safety assessment to achieve local tracking and online obstacle avoidance. This application effectively reduces the total path cost and planning time fluctuations, improves the success rate and safety distance, reduces the maximum turning angle, and enhances planning stability and executability in the narrow environment of converter valve halls.

The utility model discloses a special scissors fork platform for a power grid valve hall, which comprises an advancing vehicle body and a working platform, the working platform is arranged at the top of the advancing vehicle body through a scissors fork structure, a plurality of buffer devices are arranged on the outer wall of the working platform, and each buffer device comprises a fixed disc and an air bag arranged on one end face of the fixed disc. The other end face of the fixing disc is fixedly connected with the side wall of the working platform and provided with a control pump body used for inflating and deflating the air bag. The utility model has the characteristics that the soft support can be provided for the working platform during working, the shaking amplitude of the working platform is reduced, the stability of the working platform during working is maintained, the safety is ensured, the damage of the working platform and the valve tower caused by direct contact and collision between the working platform and the valve tower is avoided, the smooth working is ensured, and the like.

This invention relates to the field of power equipment technology, and in particular to a right-angle fitting for a valve hall and valve tower in an ultra-high voltage converter station. The fitting includes a support column with a disc fixedly connected to its outer wall; a shielding ball with a fixing ring fixedly connected to its inner wall, and multiple circumferentially arrayed connecting rods connecting the fixing ring and the disc; a connector fixedly connected to the top of the support column, with a sliding joint and a rotating joint movably connected to the connector, one end of which is respectively connected to a sliding end and a fixed end of a nut; multiple insulating sleeves detachably connected to the outside of the sliding end and the fixed end of the nut; and a protective mechanism disposed between the insulating sleeves and the shielding ball, comprising a reinforcing sleeve, a ring, and a protective cloth. This invention, by incorporating a protective mechanism and an adjustment unit, effectively reduces redundant space, prevents bird intrusion, and improves seismic performance, offering advantages such as reduced redundant space, lower risk of bird intrusion, and improved seismic performance.

The utility model discloses a fireproof and anti-explosion integrated plugging structure for a valve side sleeve hole of a converter transformer in a valve hall, and relates to the technical field of converter station design. The frame structure comprises a main body frame module and an assembling plate, the main body frame module comprises a plurality of keels which are spliced into the frame structure, and the assembling plate comprises an ultra-high performance concrete anti-explosion plate assembly, a fiber reinforced calcium silicate fireproof plate assembly and a glass magnesium plate assembly; the keels are located on the inner side of the glass magnesium board assembly, and cavities between the adjacent keels are filled with aluminum silicate fireproof cotton. The construction mode that the modular keels are assembled on site and the plates are compounded in a factory according to needs is adopted, the weight of a single plate can be greatly reduced, the plates can be manually carried and installed, installation can be completed without assistance of hoisting machinery, the construction difficulty is effectively reduced, the construction period is effectively shortened, and economic losses caused by power failure construction of the converter station are reduced.

The application discloses a valve hall pressure-equalizing ball with a discharge structure, which comprises a pressure-equalizing ball body, a load-bearing cover, a rotating ring, a support plate and a through groove; the inner side of the load-bearing cover is provided with the rotating ring, and the periphery of the outer side of the pressure-equalizing ball body is provided with the support plate; further comprising: the bottom end of the load-bearing cover is connected with a connecting spring, the load-bearing cover is arranged on the inner side of the rotating ring, and the other end of the support rod is connected to one end of the connecting rod extending into the pressure-equalizing ball body. The valve hall pressure-equalizing ball with the discharge structure is provided with the load-bearing cover, so that the limiting block moves in the limiting groove on the inner side of the rotating block during the movement of the load-bearing cover in the rotating ring; the rotating block drives the connecting rod to move through the support rod during the rotation of the rotating block; and the other end of the connecting rod drives the support plate to extend to a certain extent. Through the above arrangement, the device is conveniently protected.

The converter station curtain wall outer facade installation method comprises the following steps: installing a top plate and a side plate on the outer wall of the wall body of the valve hall of the converter station; installing a curtain wall on the top plate and the side plate, and the curtain wall, the top plate, the side plate and the wall body jointly form a closed cooling area; installing a linear guide rail pair in the cooling area, and a spraying device is connected to the linear guide rail pair, the spraying device can move along the linear guide rail pair between the two side plates, and the spraying device is used for spraying cooling liquid to the curtain wall. The application forms a cooling area by installing a top plate, a side plate and a curtain wall on the side wall of the valve hall, and sprays the inner wall of the curtain wall by using a movable spraying device arranged in the cooling area, thereby effectively reducing the heat conducted to the wall body and the interior of the valve hall from the curtain wall; meanwhile, the movable spraying device can continuously cool down all parts of the curtain wall, thereby not only reducing the amount of cooling water, but also avoiding the internal stress caused by the local high temperature of the curtain wall, and effectively prolonging the service life of the curtain wall.

This invention relates to the field of power equipment condition monitoring and fault early warning technology, specifically disclosing an infrared temperature measurement and early warning method and system for valve hall equipment based on a lightweight detection network. This invention constructs a spatial topology coupling model to achieve digital twins of physical nodes and thermal interaction paths of the equipment. It utilizes real-time spatial reference anchor point identification and geometric transformation to accurately deduce the location of key monitoring nodes. By estimating cross-thermal pollution components and separating and calculating the net calorific value of nodes, it effectively identifies the true source of equipment temperature rise. Simultaneously, the system evaluates the thermal imbalance index of related subsystems to identify potential systemic risks in advance. Finally, it generates a composite early warning decision that integrates node status and system status, providing maintenance personnel with comprehensive and objective early warning information, significantly improving the intelligent operation and maintenance level of valve halls, and compensating for the diagnostic blind spots of traditional methods that only focus on individuals while neglecting the overall picture.

The application discloses a converter valve hall temperature field simulation method and device, a terminal and a medium, and relates to the technical field of converter valve simulation. The scheme provided by the application fuses convolution operation and a multi-head attention mechanism, extracts local thermal features such as a high-temperature area of a valve tower and a tuyere diffusion path in original temperature field sample data by using a convolution layer, and then models a global temperature field distribution formed by cold and hot airflow interaction through a self-attention layer, fuses local temperature gradient details and global heat transfer rules, forms complementary feature expression, and thus improves simulation accuracy under complex working conditions while ensuring calculation efficiency, and provides reliable technical support for real-time monitoring of a converter valve hall temperature field.

The invention discloses a flexible direct current converter valve modeling analysis method and device, electronic equipment and a storage medium. According to the method, physical field coupling simulation is carried out on a valve tower geometric model and a valve hall air port geometric model; the parameter mapping relation between the valve tower geometric parameter and the valve tower equivalent heat exchange coefficient and the parameter mapping relation between the valve hall geometric parameter and the valve hall equivalent heat exchange coefficient can be efficiently established, so that the temperature field distribution of the converter valve is accurately simulated, accurate correlation between different geometric parameters and heat exchange coefficients is obtained through physical field coupling simulation, and the simulation accuracy is improved. A reliable calculation model is provided for temperature field simulation analysis of the converter valve, the calculation model can be applied to updating a corresponding temperature field thermal analysis model due to changes of geometric parameters of the converter valve when the calculation model is applied to temperature field simulation of the converter valve, and thermal boundary conditions of a simulation model do not need to be manually and repeatedly set; therefore, the design accuracy and efficiency of the converter valve are improved, and the method has high practical value and engineering application prospect.

The invention discloses a valve hall discharge part positioning method, which comprises the following steps: acquiring an ultraviolet image and a visible light image of a valve hall in the same field of view, and carrying out CLAHE preprocessing on the visible light image to obtain an enhanced visible light image; inputting the ultraviolet image into a first feature extraction network, and extracting ultraviolet multi-scale features; inputting the enhanced visible light image into a second feature extraction network, and extracting visible light multi-scale features; performing channel splicing on the ultraviolet multi-scale features and the visible light multi-scale features, performing dimension reduction through convolution to obtain preliminary fusion features, inputting the preliminary fusion features into an encoder, and performing feature interaction through a self-attention mechanism to generate unified fusion features; and inputting the unified fusion features to a decoder, outputting bounding box coordinates and confidence of the discharge component by the decoder, and projecting the bounding box coordinates to the visible light image to position the valve hall discharge component.

The invention discloses a partial discharge monitoring method and device for equipment in a valve hall, a medium and equipment, and the method comprises the steps: obtaining a multi-modal image in the same scene, and the multi-modal image comprises an ultraviolet image, an infrared image and a visible light image; carrying out preprocessing on the multi-mode image; fusing the preprocessed multi-modal image to obtain an original fused image; constructing and training a partial discharge monitoring model of the equipment in the valve hall; and reconstructing the preprocessed multi-modal image based on the trained partial discharge monitoring model of the equipment in the valve hall to obtain a reconstructed fusion image, comparing the reconstructed fusion image with an original fusion image, and identifying whether partial discharge exists in the to-be-detected power equipment according to a comparison result. According to the method, the fusion image is finally reconstructed based on the multi-modal image, and the partial discharge area of the equipment in the valve hall can be identified more accurately through difference comparison between the reconstructed fusion image and the original fusion image.

The invention discloses a converter station valve hall intelligent monitoring method and system based on data fusion, and the method comprises the steps: collecting the operation parameters of a converter station valve hall in real time through a sensor group, and obtaining original multi-source data; the method comprises the following steps: preprocessing original multi-source data to obtain preprocessed operation parameters, and extracting corresponding key features; performing multi-modal data fusion on the key features to obtain a data feature set; analyzing the data feature set by using a machine learning algorithm to obtain a classification result of the equipment state; and if the equipment is in the fault state, an early warning mechanism is triggered, and a state report of the converter station valve hall equipment is generated, so that intelligent monitoring of the converter station valve hall is realized. According to the method, the multi-dimensional operation parameters of the equipment can be comprehensively obtained, operation and maintenance personnel can implement more accurate preventive maintenance according to the change of the state of the equipment through an advanced fault prediction and intelligent alarm mechanism, and the influence of sudden faults on production is reduced, so that the repair cost and the production loss of the equipment are reduced.

The utility model discloses a converter station valve hall roof truss structure, which relates to the technical field of roof truss structures and comprises supporting steel columns, dismounting units and arc-shaped steel trusses. The supporting steel column is arranged in an I shape, sockets are evenly arranged on the two sides of the bottom face of the arc-shaped steel truss, and the sockets are correspondingly connected with the top face of the supporting steel column in an inserted mode; the dismounting and mounting unit comprises fixing bolts, a mounting steel frame and a concrete plate, the mounting steel frame is mounted on the surface of the supporting steel column, the fixing bolts penetrate through through holes in the surface of the mounting steel frame and screw holes in the surface of the supporting steel column to be mounted in a threaded mode, and the side face of the mounting steel frame is correspondingly connected with the end of the concrete plate in a clamped mode; according to the converter station valve hall roof truss structure, the mounting steel frame is matched with the fixing bolts to conveniently disassemble and assemble the concrete slabs, meanwhile, the sockets are inserted into the supporting steel columns to conveniently mount the arc-shaped steel trusses, and the mounting stability of the roof truss structure can be improved through the V-shaped frames and the fixing steel bars.

The invention belongs to the technical field of cleaning devices, and particularly relates to a cleaning device and a cleaning method thereof.The cleaning device comprises a machine body, a moving mechanism, an adsorption mechanism and a cleaning mechanism. Wherein the machine body is provided with a safety protection structure to shield static electricity and electromagnetism; the crawler wheels are installed at the bottom of the machine body, the first suction cup assembly is installed on the contact face of the crawler wheels, and the first suction assembly communicates with the first suction cup assembly so as to adjust suction force between the first suction cup assembly and a to-be-cleaned wall face. The cleaning mechanism is installed on the machine body and used for cleaning a to-be-cleaned wall face. According to the cleaning device and the cleaning method thereof, the safety protection structure is arranged on the machine body, and the first suction cup assemblies are installed on the contact faces of the crawler wheels, so that the requirement for cleaning the ground of a converter station valve hall and the interior of an air duct in the high-voltage and high-electromagnetic environment is met.

The invention belongs to the technical field of electric power system electromagnetic field simulation, and relates to an electric field calculation system and method for an offshore flexible straight valve hall. Comprising the following steps that valve hall design parameters are obtained, and the design parameters at least comprise an original drawing, space size information and voltage excitation conditions of electrical equipment; based on the original drawing and the spatial size information, establishing a three-dimensional geometric model containing main electrical equipment in the valve hall; importing the three-dimensional geometric model into a finite element analysis environment, defining the material attribute of each part, and applying a boundary condition corresponding to the voltage excitation condition; and grid division is carried out on the model after the boundary condition is applied, electrostatic field solving calculation is carried out, an electric field distribution result of the internal space of the valve hall is obtained, and the electric field distribution result is output. According to the invention, accurate and efficient simulation of electric field distribution in the complex valve hall is realized.

The application discloses an extra-high voltage converter station of an overlapping architecture, comprising a valve hall, a converter unit, a pole line unit, a starting loop, an AC field, a bridge resistance unit, a limiting resistance unit, a metal return line unit and a grounding pole outgoing line unit; the valve hall comprises a valve tower and a converter valve, the converter unit and the pole line unit are distributed on both sides of the valve hall to form a first layer architecture; the first layer architecture further comprises the metal return line unit, and the metal return line unit is arranged in the middle of the valve hall; the starting loop, the AC field, the bridge resistance unit, the limiting resistance unit and the grounding pole outgoing line unit form a second layer architecture; the starting loop and the AC field are arranged above the converter unit, and the starting loop is connected with the AC field; the bridge resistance unit, the limiting resistance unit and the grounding pole outgoing line unit are arranged above the pole line unit; the first layer architecture and the second layer architecture are connected through a support type platform. The application splits each region of the converter station, optimizes the space overlapping structure, improves the site utilization rate and saves the occupied area.

The invention discloses a valve hall equipment inspection method and system based on spatial modeling and autonomous path planning, and relates to the technical field of intelligent inspection of electrical equipment, and the method comprises the steps: fusing point cloud and image data of a multi-source sensor in a valve hall, and constructing a high-precision three-dimensional space model of the valve hall; identifying and positioning to-be-detected equipment and key components thereof by using a predefined equipment type library, and generating corresponding spatial poses and inspection identifiers; planning a global optimal inspection path sequence according to inspection task requirements and equipment poses; the path is dynamically optimized in combination with real-time obstacle information, and a smooth and safe movement track is generated; and finally, the inspection equipment is controlled to autonomously run along the track, equipment state data is collected, and health assessment and abnormity early warning are completed. By means of the mode, automation, precision and intelligence of valve hall inspection are achieved, and the equipment state sensing capacity and the operation and maintenance efficiency are effectively improved.

This invention discloses a method for detecting leakage in the valve hall of a controllable commutator valve based on a moving laser. The method utilizes a pan-tilt unit mounted on the inner wall of the valve hall, capable of moving along a preset track. A point laser and an image acquisition device are mounted on the pan-tilt unit to achieve dynamic inspection of the entire area. Background images are acquired when the laser is off. After the laser is turned on, multiple frames are continuously acquired within a preset time. Highlighted areas caused by laser irradiation are extracted through pixel-level interpolation processing, and laser trajectory interference is removed using contour recognition. Subsequently, connected component analysis is performed on the bright areas to extract candidate spot regions, and their roundness, grayscale profile fit goodness of fit, and spectral energy characteristics are calculated. The presence of droplet reflection is determined from multiple dimensions, including geometric morphology, grayscale distribution, and texture characteristics, thereby identifying leakage. This method effectively improves detection accuracy and coverage, and is suitable for high-reliability automated leakage monitoring in complex environments.

This application provides a converter station integrating an oil-immersed converter valve and a transformer, which may include an oil-immersed converter valve, a transformer, and an isolation bushing. The oil-immersed converter valve is electrically connected to the transformer through the isolation bushing. The oil-immersed converter valve includes a first housing and a converter located inside the first housing. The transformer includes a second housing and windings located inside the second housing. The first housing contains a first insulating oil, and the second housing contains a second insulating oil. The first insulating oil and the second insulating oil are physically isolated from each other through the first and second housings. It can be seen that the converter station in this application achieves physical isolation between the oil-immersed converter valve and the transformer through the first and second insulating oils. Compared with converter stations arranged in a valve hall in related technologies, this application not only significantly reduces the cost of the converter station but also reduces its footprint.