50 results about "Valve hall" patented technology

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 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.

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 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.

The invention belongs to the technical field of converter stations, and particularly relates to a valve hall air handling unit filter unit monitoring device, monitoring instrument and monitoring probe, the monitoring probe comprises a pitot tube, the pitot tube comprises an end round head and a double-layer sleeve, and a total pressure hole is formed in the midline point of the end round head; a plurality of static pressure holes are formed in the end of an outer sleeve of the double-layer sleeve and distributed in a circumferential array mode. The monitoring instrument comprises an instrument body, a positive pressure port and a negative pressure port, the positive pressure port and the negative pressure port are formed in the instrument body, the end of an inner sleeve of the double-layer sleeve is connected with a first pipeline, the first pipeline is connected with the positive pressure port, and the other end of an outer sleeve of the double-layer sleeve is communicated with the negative pressure port through a second connecting pipe; the monitoring instrument is matched with the monitoring probe to detect gas pressure and gas flow velocity parameters in the pipeline to be detected, and is matched with the roughness monitor and the air particle monitoring device to jointly control the opening and closing degree of the air inlet valve and the air return valve so as to carry out real-time early warning. Safety operation of equipment is guaranteed.

The application discloses a large-scale offshore converter station constant-temperature and constant-humidity debugging power distribution system and method, and belongs to the technical field of offshore converter station construction; the technical scheme is as follows: the system comprises an external constant-temperature and constant-humidity device, an external power supply device, an environment monitoring device, a clean treatment device and a converter valve auxiliary installation device; wherein the external constant-temperature and constant-humidity device is used for adjusting the temperature and humidity inside a valve hall, the external power supply device is used for providing independent power supply for the constant-temperature and constant-humidity equipment, the environment monitoring device is used for monitoring the environmental parameters inside the valve hall in real time, the clean treatment device is used for reducing the dust and moisture entering the valve hall, and the converter valve auxiliary installation device is used for realizing the support installation of the converter valve module and the protection of parts. The application has the beneficial effects that: by establishing an independent constant-temperature and constant-humidity debugging environment, the temperature and humidity and the cleanliness control during the installation of the converter valve are realized, the risk of the converter valve being damp and installation deviation is reduced, and the installation quality and the construction safety of the converter valve of the offshore converter station are improved.

The invention belongs to the technical field of extra-high voltage converter station fire safety, and discloses an extra-high voltage converter station valve hall and casing pipe fire extinguishing and cooling system and a using method thereof.The system comprises an oil liquid recycling mechanism, an oil liquid conveying mechanism, an oil liquid conveying mechanism and an oil liquid conveying mechanism, the water mist cooling mechanism is arranged at the top of the inner side of the firewall; the precise fire extinguishing mechanism is arranged at the top of the inner side of the firewall; the fire monitoring mechanism is arranged on the accurate fire extinguishing mechanism so as to monitor the fire behavior at the wall bushing in real time and feed back the fire behavior to the control center in real time; and the control center is used for controlling the working states of the oil recovery mechanism, the water mist cooling mechanism and the accurate fire extinguishing mechanism. According to the invention, not only can the valve hall plugging part and the wall bushing be subjected to fire extinguishing, cooling and other treatments, but also the collection of leaked oil of the wall bushing and water, foam and other liquids required by fire fighting can be realized.

The invention provides a flexible direct-current converter station valve hall wall bushing which comprises a supporting part arranged on the wall bushing and used for supporting the wall bushing, batter braces are arranged on the two sides of the supporting part, and one ends of the two batter braces are arranged at the corresponding connecting positions of a cross beam and two valve hall steel columns respectively. The supporting part comprises an upper shell, a lower shell and a locking assembly, the upper shell and the lower shell are in butt joint to form a positioning space used for clamping and fixing the wall bushing, and the locking assembly is used for locking the relative position of the upper shell and the lower shell after butt joint on the wall bushing; the distance adjusting assembly is used for adjusting the length of the batter brace. Vertical loads are shared through the batter braces, the problems that in a large-span valve hall, a traditional full-length steel beam is large in deflection and high in steel consumption are effectively solved, and the large-span valve hall has the advantages of being light in structure, stable in stress, convenient and fast to install and high in adaptability.

The present application relates to the technical field of power equipment, especially to a valve hall valve tower right-angle fitting of an extra-high voltage converter station, which comprises a support column, the outer wall of which is fixedly connected with a disc; a shielding ball, the inner wall of which is fixedly connected with a fixed ring, and a plurality of circumferential arrayed connecting rods are connected between the fixed ring and the disc; a connecting head, which is fixedly connected at the top end of the support column, and a moving pair and a rotating pair are movably connected on the connecting head, and one end of each of the moving pair and the rotating pair is respectively connected with a tube base sliding end and a tube base fixed end; an insulating sleeve, which is provided with a plurality of outer sides and is respectively detachably connected with the tube base sliding end and the tube base fixed end; and a protection mechanism, which is arranged between the insulating sleeve and the shielding ball, and comprises a reinforcing sleeve, a circular ring and a protective cloth. The present application effectively reduces the redundant space, prevents bird invasion and improves the anti-seismic performance by setting the protection mechanism and the adjusting unit, and has the advantages of reducing the redundant space, reducing the risk of bird invasion and improving the anti-seismic performance.

The invention discloses an SVG valve hall equipment defect diagnosis method and system, and belongs to the technical field of electrical equipment diagnos.The method comprises the steps that coordinates of all equipment in a valve hall are obtained, target data and positions corresponding to the coordinates are mapped, a target data distribution diagram is generated, target features corresponding to all the equipment are extracted from the target data distribution diagram, and the target features are obtained; target features corresponding to target data in the same equipment are associated and bound to form a multi-dimensional feature set of the equipment, the material and physical connection relation between the equipment is obtained, a propagation association model is established based on the propagation rule of the target data, and the multi-dimensional feature set and the propagation association model are combined to form a propagation association model; abnormal data are screened out, an abnormal propagation path is determined, and equipment is marked and output according to the abnormal propagation path; the SVG valve hall equipment fault diagnosis method realizes fault diagnosis of SVG valve hall equipment, accurately locates the fault position, associates a plurality of fault equipment and determines the influence relationship among the fault equipment.

The application discloses a water leakage detection robot and method for valve hall of a converter station, and has a mounting plate on the upper surface of a walking structure, and the mounting plate is provided with the following mechanisms: a roll paper conveying mechanism is mounted on the mounting plate and is used for conveying detection paper horizontally according to a predetermined time length and a step length, and the detection paper horizontally covers the upper surface of the mounting plate; an image acquisition mechanism is mounted at the middle position of the mounting plate and below the roll paper conveying mechanism, and is used for shooting the image of one or more watermarks on the surface of the detection paper; a processor is used for confirming the position of water drops according to the watermark image; wherein, the multiple watermark images are distinguished through the superposition of the images; and a controller is used for controlling the movement of the walking mechanism and the movement of the roll paper conveying mechanism. The application can realize intelligent inspection of the water leakage condition of the valve hall of the converter station, and realizes intelligent image transmission through mesh networking.