38results about How to "Precise support" patented technology

The invention relates to a geomechanical data visualization method, device and equipment and a medium thereof. The method comprises the following steps: acquiring original data containing rock mass structural characteristics and temperature and humidity environmental parameters, and completing grid division and load and displacement constraint boundary condition setting by adopting finite element analysis to obtain a rock mass stress distribution model; core mechanical parameter evolution of rock mass at different time nodes is simulated based on the model, and a dynamic stress distribution sequence is generated; identifying and marking stress overrun potential event association points through a threshold value, extracting a key time-space change trend, and inputting the key time-space change trend into the time-space dynamic model to obtain a risk prediction distribution diagram containing a risk level, a coverage range and an occurrence probability; and constructing a three-dimensional dynamic view by adopting visual rendering, analyzing a mechanical parameter full-cycle evolution path and geological event association mode, and outputting a three-dimensional dynamic result integrating multi-dimensional information. According to the method, the problems of static data presentation and event association deficiency in the traditional technology can be solved, and the scientificity and the high efficiency of geological engineering analysis are improved.

The utility model relates to the technical field of oil cylinder disassembling tools, and discloses an oil cylinder disassembling tool which comprises a sleeving barrel, a rotating disc and a plurality of fastening blocks, a plurality of cross-shaped grooves are formed in the edge of the upper surface of the sleeving barrel, the rotating disc is arranged outside the sleeving barrel in a sleeving mode, a plurality of cross-shaped blocks are fixedly connected to the edge of the inner wall of the rotating disc, and a plurality of fastening blocks are fixedly connected to the edge of the inner wall of the rotating disc. The lower surfaces of the cross blocks are tightly attached to the inner bottom face of the cross groove, a sleeving groove is formed in the middle of the lower surface of the sleeving cylinder, a plurality of positioning rods are fixedly connected to the edge of the inner top face of the sleeving groove, and the outer walls of the sides, close to the center of the sleeving cylinder, of the fastening blocks are tightly attached to the outer wall of the sleeving cylinder. According to the oil cylinder disassembling tool, the rotating disc is ingeniously matched with the sleeving barrel, and the fastening block and the connecting rod are stably fixed, so that the oil cylinder disassembling tool realizes a rapid and stable disassembling process, and the working efficiency is improved.

The utility model discloses an impeller integrated forming die which comprises a bottom plate, a top plate, a fixing disc, a guide column and a center shaft. A plurality of first guide holes are formed in the bottom plate; the top plate is located above the bottom plate and is parallel to the bottom plate, a sinking groove is formed in the lower end of the top plate, a first through hole is formed in the upper end of the top plate, a second guide hole is formed in the top plate, and an exhaust groove is formed in the bottom face of the top plate. The fixing disc is embedded into the sinking groove, a second through hole corresponding to the first through hole is formed in the fixing disc, a cutting groove is formed in the edge of the bottom face of the fixing disc, and the exhaust groove is communicated with the cutting groove; the guide columns are perpendicular to the bottom plate, each second guide hole is internally provided with one guide column, and one end of each guide column extends into the corresponding first guide hole; two ends of the central shaft are respectively connected with the bottom plate and the top plate. Accurate positioning and stable supporting of the impeller blades and the impeller body in the mold are achieved, the forming precision of the impeller is effectively improved, and the mechanical property of the impeller is improved.

The invention relates to the technical field of blade machining fixing assemblies, in particular to a blade base fixing device for a five-axis linkage machining machine tool, which comprises a five-axis machining machine tool body, a quick assembly, a connecting assembly and a clamping assembly, and is characterized in that the quick assembly is detachably assembled on the top surface of a sliding table of the five-axis machining machine tool body; a connecting assembly is detachably assembled on the top of the quick assembly, and a clamping assembly is detachably assembled on the top face of the connecting assembly. Manual accurate alignment and tedious clamping are not needed in the whole process, automatic, accurate and rapid clamping of the blade base is achieved, the core pain point in the prior art is solved, the high-precision and efficient machining requirements of blades in the fields of aerospace and energy power are met, and the production efficiency and the finished product quality are improved.

This invention provides a synchronous grouting model test device and method for shield tunnels, belonging to the field of shield tunnel construction technology. The synchronous grouting model test device for shield tunnels includes a working condition simulation base; a model box is set on the working condition simulation base; the interior of the model box is divided into a stratum simulation layer, a tail grouting cavity layer, and a segment simulation layer from top to bottom; a tail grouting simulation box is set in the tail grouting cavity layer; the tail grouting simulation box is provided with grouting holes for grouting; a grouting system has grouting pipelines; the grouting pipelines are connected to the grouting holes; the grouting system injects grout into the tail grouting simulation box through the grouting pipelines and grouting holes. The synchronous grouting model test device for shield tunnels provided by this invention collects grouting pressure and grouting flow data in real time during the test. The controller can quickly complete parameter comparison and calculation based on the collected real-time data. The system can automatically adjust the grouting output state to keep the grouting pressure and flow stable within a preset range.

The invention discloses a substance exploration scheme iterative generation system and method, and relates to the technical field of substance exploration scheme generation. The material exploration scheme iteration generation system is provided with a Controller layer, a Service layer, a robot and workstation gateway, at least one workstation, at least one robot, a DAO layer and an algorithm analysis and parameter optimization module. According to the invention, full-process automatic closed loop from task parameter submission, instruction generation, equipment cooperative execution, data storage to model training and formula prediction is realized, manual intervention is not needed, manpower input and material consumption are reduced, experiment efficiency and result accuracy are improved, traceability of experiment data and system stability are guaranteed, and the system is suitable for large-scale popularization and application. The problems that in a traditional material science experiment, manual experience is relied on, task issuing and instruction conversion efficiency is low, errors are prone to occurring, experimental data collection and analysis are lagged, and parameter optimization lacks an automatic mechanism are solved.

The utility model relates to a partitioned spliced mattress which comprises an air bag region and a water bag region which are fixedly connected or detachably connected into a whole. The air bag area comprises an air bag layer and a fabric layer attached to the surface of the air bag layer. The air bag layer is formed by connecting and combining adjacent sides of a plurality of strip-shaped air bag units. The mattress is formed by splicing the air bag area and the water bag area, the sacrococcygeal region is supported by the water bag, and the water bag can conform to the curve of a human body, so that the pressure borne by the sacrococcygeal region is effectively reduced; the four limbs and the trunk of the user are supported by the air bags, and effective and targeted support can be provided for different parts of the user through inflation and deflation. Compared with an integrated water bed and an integrated air bed which are commonly used, the mattress disclosed by the embodiment has the same or equal supporting effect, and meanwhile, different subareas are connected through welding or zippers, so that the manufacturing difficulty can be obviously reduced; and local damage can be replaced and maintained in time without maintaining or scrapping the whole bed, so that the material cost is reduced.

The utility model relates to medical shell bonding technical field discloses a kind of bonding tool of medical shell, including two groups of bottom support, three groups of connecting plates are provided between two groups of bottom support, and first bonding tool is provided in three groups of connecting plates rear end left side, first bonding piece is provided in three groups of first bonding tool upper end, and three groups of fixed frame are provided in the front side of rear side bottom support, and second bonding piece is provided in the front side of three groups of fixed frame, and multiple groups of supporting plate are provided on the upper surface of two groups of bottom support, and shell body is provided on the upper side of multiple groups of supporting plate, and fixed assembly is provided in six groups of fixed frame upper end. In the utility model, by being provided with fixed assembly, after being set in the outside of top plate and bottom support by fixed frame, rotating rotating block makes rotating block drive adjusting rod rotate, so as to drive clamping block to move by screw structure, top plate is pressed tightly, so that the fixing effect of top plate and bottom support is more stable, guarantee the strength of bonding tool.

The application relates to a hydrogeological structure analysis method based on multi-source data fusion and three-dimensional modeling, and belongs to the technical field of hydrogeological analysis. The method comprises the following steps: obtaining multi-source data of a hydrogeological structure and performing preprocessing to obtain standardized multi-source data of the hydrogeological structure; integrating the standardized multi-source data of the hydrogeological structure to obtain key multi-source data of the hydrogeological structure; the key multi-source data of the hydrogeological structure comprises special geological body spatial distribution data, underground facility-stratum spatial relationship data and stratum-structure three-dimensional framework data; an initial three-dimensional geological model is constructed based on the key multi-source data of the hydrogeological structure, and the initial three-dimensional geological model is dynamically updated to obtain a dynamic three-dimensional geological model; a representation method of the dynamic three-dimensional geological model is optimized to obtain a high-precision three-dimensional model; and mechanism analysis and correlation mining are carried out based on the high-precision three-dimensional model. The application can improve the accuracy of hydrogeological structure analysis.

The invention provides a flexible clamping tool for carrier frame welding and a welding workstation, and belongs to the technical field of automatic welding, the flexible clamping tool comprises a bottom fixing frame, a turntable assembly, a main frame clamping assembly, a cross brace bracket assembly, a cross brace clamping assembly and a vertical frame supporting assembly; the rotary disc assemblies are symmetrically arranged at the top of the bottom fixing frame and can automatically rotate, the main frame clamping assembly achieves adaptive clamping of main frames with different intervals through a synchronous sliding mechanism of an inner clamping block and an outer clamping sliding base, and the cross brace bracket assembly adapts to cross brace positioning between the main frames with different lengths through translation adjustment of an adjustable supporting plate and a length adjusting backer. The transverse support clamping assembly and a transverse support clamping block can clamp a transverse support through an overturning frame, and the vertical frame supporting assembly synchronously drives a side column to reinforce the transverse support and ejects out a supporting block to support and limit a vertical frame through cooperation of an active inclined block and an inclined face of a passive inclined block during translation. Accurate positioning of main frames, cross braces and vertical frames of frames of different specifications is achieved, and clamping flexibility and welding precision are remarkably improved.

This utility model discloses an integrated tool for overhauling the 2-bearing rotor shaft of a GE 9FA gas turbine. The tool includes a main structural component, comprising an upper connecting part, an extended protrusion, and a lower receiving part. A lifting point is centrally located at the upper connecting part, positioned above the main structural component. Extended protrusions are located on both sides of the lifting point, with their lower ends forming jack fulcrums. A journal fulcrum is located at the lower receiving part. This tool has been proven to efficiently complete the removal and overhaul of the 2-bearing rotor without requiring complete rotor removal, significantly improving on-site work efficiency and safety. Furthermore, it drastically reduces maintenance time, bringing significant economic benefits to enterprises. Simultaneously, the introduction of this tool greatly simplifies the maintenance process, reduces the complexity of on-site operations, and effectively saves working time and safety costs.

The utility model relates to the technical field of exhaust pipe detection equipment, in particular to a tail gas exhaust pipe size detection device which comprises a base, two positioning assemblies are symmetrically installed on the base, and bearing frames used for supporting an exhaust pipe are installed on the two sides of the base. The base drives the positioning assembly to horizontally move through the lead screw component to clamp and position the exhaust pipe, scale marks are arranged on the outer wall of the base in the horizontal direction, the exhaust pipe is horizontally supported through the bearing frame, and the middle of the exhaust pipe is clamped and positioned through the positioning assembly. According to the tail gas exhaust pipe size detection device, the positioning assemblies symmetrically arranged on the base and the bearing frames on the two sides are matched with each other, and accurate positioning and stable supporting of the exhaust pipe can be achieved. The groove of the bearing frame is attached to the bottom of the exhaust pipe, the puller bolt on the fixing plate is matched with the buffering silica gel pad to tightly abut against and limit the outer side of the exhaust pipe, and the exhaust pipe is prevented from shaking in the measuring process.

The application provides a printed circuit board production adaptive soldering device, which comprises a soldering host, two mounting plates are symmetrically arranged in the soldering host, a spacing adjusting assembly is arranged on the top surface of the mounting plate, and a conveying assembly is arranged on the mounting plate; the visual module can not only measure the length and width dimensions of the printed circuit board, but also identify the irregular edge profile of the printed circuit board; when the production line is switched to an irregular printed circuit board, the visual module sends the collected irregular profile data to an external control system, the control system accurately calculates the control amount of the fine adjustment assembly and the driving assembly, and controls the soldering device according to the calculated control amount, so that the soldering device can be self-adaptive to various complex shapes of printed circuit boards without changing the jig.

The utility model discloses a laminated busbar quality detection device, which relates to the field of busbar detection and comprises a workbench, a vertical plate is fixedly mounted on the upper surface of the workbench, a transverse plate is fixedly mounted at the top end of the vertical plate, a motor is fixedly mounted on the upper surface of the transverse plate, and a lead screw is fixedly mounted at the output end of the motor. One end of the lead screw is rotationally connected with the workbench. According to the utility model, the height detection assembly and the lifting plate are arranged, the motor drives the screw rod to rotate, the screw rod nut drives the lifting plate to move downwards, the laser sensor fixed on the lifting plate moves downwards synchronously, and the distance between the laser sensor and the surface of the busbar body is measured continuously; the detection value of the pressure sensor rises, the controller monitors the pressure value in real time, when the detection value exceeds a preset threshold value, the motor stops running immediately, the controller reads measurement data of the laser sensor, and the actual height of the busbar body is obtained by calculating the difference value between the initial height and the displacement of the laser sensor.

The utility model aims to provide a magnetic steel polishing and positioning base which comprises a shell and a polishing mechanism used for polishing the surface of magnetic steel, the polishing mechanism is arranged on the shell, the magnetic steel polishing and positioning base further comprises a supporting base, a positioning assembly and an overturning assembly, the positioning assembly comprises an overturning frame, two sliding blocks, two side blocks, two jacking pieces and a plurality of bearing pieces, and the shell is provided with two sliding grooves. The two sliding grooves are formed in the shell, the two sliding blocks are arranged in the sliding grooves in a sliding mode respectively, the two ends of the overturning frame are arranged on the sliding blocks respectively, the two ends of the overturning frame are perpendicular to the side faces of the two sliding blocks respectively, one ends of the two side blocks are arranged at the two ends of the overturning frame in a sleeving mode respectively, and the other ends of the two side blocks are arranged on the shell in a sliding mode respectively. The bearing pieces on any surface of the overturning frame abut against the two side blocks so that the bearing pieces can jointly bear the magnetic steel, the two jacking pieces are arranged on the two sides of the overturning frame in a sliding mode respectively and jointly clamp the magnetic steel, the two side blocks drive the overturning frame to be close to the supporting base, and the supporting base pushes the magnetic steel to be jacked so that the magnetic steel can be close to the grinding mechanism.

The invention belongs to the technical field of medical auxiliary instruments, and discloses a gastrointestinal endoscopy body position supporting device which comprises a base plate, the base plate is connected with a head fixing assembly, a foot fixing assembly, three first body supporting assemblies and two second body supporting assemblies, and the head fixing assembly and the foot fixing assembly are both connected with bandages; the three first body supporting assemblies are slidably and adjustably connected with the base plate, and the two second body supporting assemblies are slidably and adjustably connected with the base plate. The head fixing assembly and the foot fixing assembly are used for fixing the head and the feet of a patient, the three first body supporting assemblies are used for supporting the buttocks, the waist, the shoulders and the back of the patient in the side-lying position, the two second body supporting assemblies are used for supporting the chest and the abdomen of the patient in the side-lying position, and accurate adjustment can be conducted according to individual differences of the patient; and the patient is ensured to keep a stable left-side clinostatism in gastrointestinal endoscopy, and the examination efficiency and safety are improved.

The utility model discloses a kind of stacking equipment for diamond grinding wheel piece processing, including bottom plate and the universal wheel being set in the bottom four corners of bottom plate, the bottom plate upper side is provided with push-pull rod, the bottom plate upper middle is provided with base, the base is provided with top plate, the top plate is provided with four sliding grooves, the sliding groove inside two sides are respectively provided with sliding block, sliding seat is set in the sliding groove, the sliding seat upper side is provided with locating rod, the pivot on the square plate and the pivot between sliding seat are respectively provided with crank rod, the sliding seat bottom of opposite side two is respectively provided with threaded block, screw rod is set between the threaded block, the one end of screw rod is provided with crank handle. The structure makes locating rod can adapt to the center through-hole size of different specifications diamond grinding wheel piece, so that locating rod can be stably inserted with grinding wheel piece, ensure the accurate positioning and stable support of grinding wheel piece during stacking installation process.

The invention relates to the technical field of power line three-dimensional modeling, and discloses a three-dimensional reconstruction method and device for missing power line point cloud data, and the method comprises the steps: collecting power line three-dimensional point cloud to obtain original data, carrying out voxelization sampling and ground point recognition, obtaining power line target points, carrying out the fitting, generating a basic three-dimensional catenary model, and carrying out the interior point supplementation; obtaining an initial power line three-dimensional model; repeatedly calculating a set number of times to obtain a plurality of initial power line three-dimensional models, and selecting the power line model with the maximum number of inner points as a target power line model; calculating a feature vector by taking all inner points as a whole, and if a preset threshold requirement is met, determining that the model is an effective power line model; and calculating a cross section model of the power line, and integrating the cross section model with the target power line model to obtain a three-dimensional catenary model. According to the method, accurate segmentation and reconstruction of the power line point cloud data are realized, the power line extraction precision and efficiency can be greatly improved, especially the extraction and reconstruction precision of the broken power line point cloud data is improved, and the modeling authenticity is improved.

A waist and abdomen supporting device belongs to the technical field of supporting equipment. The waist and abdomen supporting device is used for solving the problems that an existing waist and abdomen supporting device is prone to covering and braising, and a limiting part is inconvenient to mount and dismount and unstable to fix. The device comprises a supporting module which is composed of two cylindrical supporting pads, and a ventilation gap is formed between the supporting pads to prevent braising. Limiting parts are arranged at the two ends of the supporting module, each limiting part comprises a first limiting cylinder, a second limiting cylinder and a connecting cloth strip, the first limiting cylinder and the second limiting cylinder are made of inflatable air cushions, and the inflation volume can be adjusted according to requirements. Connecting assemblies are arranged between the two first limiting cylinders and the supporting module, and rapid assembly and disassembly of the limiting parts are achieved through clamping connection of the child buckles and the mother buckles. The surfaces of the two second limiting cylinders are provided with a first bandage and a second bandage, the second bandage penetrates through a first bandage communicating groove and is in cross connection with the first bandage communicating groove through hook-and-loop fasteners, the fixing stability of the limiting parts is improved, and displacement is prevented.

The application provides an AGV communication channel modeling method and system based on an ellipsoid geometry random model, and belongs to the technical field of wireless communication channel modeling; the method comprises the following steps: a three-dimensional digital scene covering multiple frequency bands, AGV speeds and container densities is constructed, and a multi-dimensional channel data set is constructed based on ray tracing; a dynamic ellipsoid geometry model with a fixed base station and an AGV as the focus is constructed, and a time-varying characteristic is introduced by updating the AGV position in real time; the communication channel is divided into three parts, namely, a line-of-sight part, a ground reflection part and a non-line-of-sight part, the channel complex gains of the three parts are respectively modeled, and are superimposed to synthesize the channel impulse response under the FR3 frequency band. Through the introduction of the speed-dependent Doppler effect and the density-dependent metal scattering mechanism, the time-varying non-stationary characteristics of the AGV channel in the metal dense scene of the port can be accurately described, and efficient and accurate theoretical model support is provided for the intelligent port AGV communication design.

The utility model relates to the technical field of chains, in particular to a chain plate chamfering device of a transmission chain with a double-side bending structure, which comprises a box body, a driving air cylinder, chamfering equipment, a first motor and a second motor, the driving air cylinder is fixedly connected to the inner wall of the box body, and the movable end of the driving air cylinder is fixedly connected with the side wall of the chamfering equipment. The chamfering equipment is in contact with the inner top wall of the box body, a placing plate is arranged in the box body, connecting rods are fixedly connected to the two side walls of the placing plate, and the first motor is fixedly connected to the side wall of the box body. By integrating a plurality of automatic steps of electromagnet adsorption, motor driving rotation, bidirectional lead screw transmission, support plate lifting, chamfering equipment fine adjustment and the like, the full-automatic processing flow from chain plate placement to chamfering completion and scrap discharge is realized. Therefore, the links of manual operation are greatly reduced, and the production efficiency is remarkably improved. The design of the multiple chain plate grooves in the containing plate allows the multiple chain plates to be treated at the same time, and the treatment efficiency is further improved.

This invention relates to the field of optical alignment technology, specifically providing a global field-of-view calibration method and device based on a digital model of an alignment system. The method includes: establishing a measured coordinate system and acquiring measured point cloud data; matching the measured point cloud data with ideal point cloud data to determine the direction of the optical axis in the measured coordinate system; constructing a detection optical path and acquiring the mirror model of the standard mirror in the detection optical path and three reference planes on the standard mirror fixture; calculating the normal vector of the standard mirror and the spatial pose relationship between the reference planes and the standard mirror; establishing a field-of-view coordinate system and transforming the spatial pose relationship between the reference planes and the standard mirror to the field-of-view coordinate system; and calculating the field-of-view angle of the normal vector of the standard mirror. This invention reliably transmits the optical surface pose, which cannot be directly measured, to a field-of-view coordinate system established based on the secondary mirror of the camera under test, making the calculation of the optical axis direction and field-of-view angle intuitive and accurate, effectively ensuring the alignment accuracy of asymmetric, off-axis optical systems such as off-axis three-lens reflex cameras.

This invention discloses a comprehensive energy load forecasting method based on a multi-scale graph conditional state-space model. The method includes constructing a comprehensive energy load forecasting dataset for a park, performing data preprocessing, and then using Pearson correlation analysis to select highly correlated features; dividing the dataset into training, validation, and test sets, and standardizing the data; constructing a joint prediction model based on dynamic graph learning, a multi-scale graph conditional state-space model, and a three-dimensional attention mechanism; training the joint prediction model using the training set; adjusting hyperparameters and selecting the optimal model using the validation set; inputting the test set into the trained model, and outputting the predicted electricity, cooling, and heating loads; restoring the actual predicted values ​​through inverse normalization; and evaluating the model performance using multiple indicators. This invention ensures the real-time requirement of the forecast and is suitable for online application scenarios in park energy dispatching.

This invention relates to the field of pipe support and discloses a pipe support device, comprising: a base, a first lifting mechanism, pipe support components, and a second lifting mechanism. The first lifting mechanism is located on the top of the base. Multiple pipe support components are arranged vertically, and each pipe support component has a pipe positioning groove on its top. Any two adjacent pipe support components are connected by the second lifting mechanism, which includes a lifting element and a crossbeam. The crossbeam connects to the lifting end of the lifting element. In any two adjacent pipe support components, the lower pipe support component is connected to the lifting element, and the upper pipe support component is connected to the crossbeam, and is configured to be adjustable in position along the length of the crossbeam and adjustable in angle around the vertical direction. The pipe support device of this invention can temporarily support pipes of different diameters, in different spatial locations, as well as single pipes or multiple parallel or intersecting pipes, improving the versatility of the pipe support device.

The utility model relates to the technical field of city scale model, concretely is a kind of city scale model rapid prototyping support equipment, the support assembly includes fixed column, the fixed column is fixedly connected in the bottom of fixed plate, the inside of fixed column is equipped with through-hole, the side surface of fixed column is equipped with several arc grooves, the arc groove is annular array distribution in the side surface of fixed column, the inside of each arc groove is fixedly connected with fixed block respectively, the side of each fixed block is movably connected with movable ring respectively, the inside of movable ring is equipped with annular sliding slot, the top of movable ring is fixedly connected in the bottom of fixed plate.The city scale model rapid prototyping support equipment can provide reliable support for the rapid prototyping of city scale model, effectively prevent the model from deforming, collapsing and other problems due to the loss of support of the suspended part during the molding process, ensure that the model can be accurately molded according to the design requirements, thereby improving the overall quality and precision of the model.

A control method of a front guide beam of a bridge girder erection machine, the front guide beam is provided with an upper guide rail and a lower beam from top to bottom; a plurality of support bases are arranged on the lower beam, the support bases walk along the lower beam to correspond to the positions of bridge piers; the control method comprises the following steps: the second supporting leg is lifted, the front guide beam is moved transversely to the position between two bridge piers by driving the beam moving driving wheel; the support bases are moved along the front guide beam to align the support bases with the positions of the bridge piers; the through hole on the base body is aligned with the reserved longitudinal reinforcement; the second supporting leg is lowered to make the bottom of the base body contact with the top of the bridge pier, the locking device is loosened to make the supporting column freely fall, the bottom of the supporting column contacts with the top of the bridge pier; the locking device is started to lock the supporting column. The present application can accurately align the support bases with the bridge piers in transverse and longitudinal directions, accurately pass the reserved longitudinal reinforcement into the through hole reserved on the support base, and reliably support on the top of the bridge pier through a plurality of liftable and lockable supporting columns.

The application discloses a kind of capacitive capacity monitoring method and system of flexible direct current converter station bushing, it is related to the field of flexible direct current transmission equipment on-line monitoring and electrical parameter identification technique, including in the bushing of flexible direct current converter station bushing end screen and ground setting capacitor voltage divider and constructing series capacitor measurement structure, acquisition bushing primary voltage signal and end screen current.Primary voltage signal and end screen current are carried out synchronous signal preprocessing, using wavelet transform and filtering strategy to remove noise and extract frequency domain features.Capacitive capacity coupling relationship of bushing structure parameter is calculated based on frequency domain features, and abnormal point is judged by establishing capacitive capacity change identification model and combining temperature and humidity data.The method described in the application effectively overcomes the problems of static analysis lag, single variable misjudgment and insufficient frequency spectrum resolution, realizes real-time monitoring of flexible direct current bushing capacitive capacity, abnormal dynamic early warning and system improvement of model adaptability, and significantly enhances the safety operation guarantee capability of equipment throughout its life cycle.

This invention belongs to the field of power design technology and provides a substation secondary design system based on a logic model. It includes a multi-dimensional logical semantic modeling unit for constructing a full-element logical model of the secondary system; a hierarchical physical topology definition unit for establishing multi-level physical entity mappings of equipment; a logical-physical dynamic coupling matrix for achieving deep binding and synchronization between digital logic flows and physical nodes; a multi-dimensional conflict verification unit for automatically verifying the loop integrity and consistency of mapping relationships; and an automated engineering output generation unit for automatically generating engineering deliverables. Through this solution, the substation secondary design is transformed from experience-driven to digitally driven, significantly reducing the risk of incorrect wiring, improving design efficiency, and ensuring a high degree of consistency between logical intent and physical implementation.