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Semiconductor catalyst intelligent design and reaction mechanism optimization method based on graph grammar
ActiveCN119207608Aimprove performanceImprove stabilityMolecular entity identificationBiological modelsPtru catalystAlgorithm
The invention discloses a semiconductor catalyst intelligent design and reaction mechanism optimization method based on graph grammar, which comprises the following steps: step 1, a graph grammar model generation and optimization module: automatically generating a molecular structure model of a semiconductor catalyst, and screening out a structure combination with optimal catalytic performance; 2, a reaction path automatic derivation module which simulates the interaction between molecules and generates a reaction path diagram; 3, an intelligent catalyst design module: analyzing the relationship between the structure and the performance of the semiconductor catalyst, and dynamically adjusting the molecular structure of the catalyst; 4, a reaction mechanism visualization and interpretation module which provides graphical display of reaction paths and structure changes and supports interaction analysis of multi-dimensional data; 5, a real-time monitoring and feedback optimization module is used for monitoring key parameters in the catalytic reaction process in real time and dynamically adjusting a graph grammar model and a design scheme.
Owner:NANJING NORMAL UNIVERSITY
A large flat heat spreader with a composite liquid wick
ActiveCN111780603BGuaranteed uniformityGuaranteed stabilityIndirect heat exchangersHeat exchange apparatusLiquid stateMechanical engineering
The present invention relates to a large flat heat spreader with a composite liquid wick, comprising an upper cover plate and a lower cover plate which are connected in a peripheral sealing manner to form a sealed working medium cavity, wherein the sealed working medium cavity is in a vacuum state and is filled with a liquid working medium, wherein the upper cover plate is provided with a first area and a second area, wherein the first area is close to an evaporation end and is provided with a plurality of densely arranged first support columns, and the second area is provided with a plurality of sparsely arranged second support columns, wherein a second liquid wick is placed in the gaps between the second support columns; wherein the lower cover plate is provided with a third area and a fourth area, wherein the size of the third area corresponds to that of the first area and is used for placing the first liquid wick; wherein the size of the fourth area corresponds to that of the second area and is provided with sparsely arranged third support columns, wherein the number and arrangement of the third support columns correspond to those of the second support columns, and the problems of insufficient steam flow space, poor heat transfer performance and poor structural strength in the large flat heat spreader can be effectively solved.
Owner:WUXI JONES TECH +2
Marine battlefield intelligent confrontation method based on online learning rate optimization mechanism
PendingCN119514650Asolve space problemsImprove learning efficiencyForecastingBiological modelsEngineeringNetwork model
The embodiment of the invention relates to a sea battlefield intelligent confrontation method based on an online learning rate optimization mechanism, and the method comprises the steps: calculating the gradient of a network model, updating a learning rate for each layer of neural network through a learning rate optimization model, and updating the parameters of each layer of network according to the updated learning rate; and updating the basic element learning rate, updating parameters of the network model and the learning rate optimization model according to the updated basic element learning rate, and deploying the trained model to a simulation environment to generate a marine battlefield multi-ship intelligent game confrontation strategy. Compared with a traditional combat behavior modeling method, the problem of large-scale agent confrontation task state and action space explosion is solved; on the other hand, the online learning rate optimization mechanism solves the problem of hyper-parameter setting in the training process of the MAML algorithm, the stability of network training is enhanced, the algorithm learning efficiency and final performance are improved, and higher robustness and practicability are achieved.
Owner:CHINESE PEOPLES LIBERATION ARMY ARMY BORDER & COASTAL DEFENSE ACAD
Non-equilibrium strip mine parallel mining area steering method
ActiveCN119466792AReduce management difficultysolve space problemsUnderground miningSurface miningMining engineeringMechanical engineering
The invention discloses a non-equilibrium strip mine parallel mining area steering method. The method comprises the four steps of through working line construction, fan-shaped opposite advancing, dumping follow-up and working line segmented recovery. The stripping working line of the new mining area and the old mining area propelled in the fan-shaped mode stretches across the new mining area and the old mining area, the coal seam depths of all points on the stripping working line are different, the stripping ratios are different, and the stripping ratios can be effectively balanced through synchronous opposite fan-shaped mining; the advancing speeds of all points on the stripping working line are different, the equipment capacity can be effectively distributed, and the management difficulty is reduced; the stripping working line of the fan-shaped propulsion new mining area produces more coal, while the stripping working line of the old mining area produces less coal, and the synchronous mining keeps the overall coal yield of the mine; the two mining areas are synchronously involved in the mining process of the stripping working lines of the new mining area and the old mining area which are propelled in a fan-shaped mode, the contradiction between the inner drainage space and the stripping amount caused by a traditional mining sequence is solved, and the inner drainage space is balanced.
Owner:CHINA UNIV OF MINING & TECH
A reciprocating cleaning scraper
Owner:NANJING MEISHAN ENG JISHUXIN IND DEV CO LTD
Complex equipment global reliability analysis method based on physical information neural network
InactiveCN119416614Aovercome limitationsreduce wasteDesign optimisation/simulationProbabilistic CADEngineeringNetwork model
The invention discloses a complex equipment global reliability analysis method based on a physical information neural network, and the method comprises the steps: segmenting a sample feasible region through employing a Voronoi region division method, calculating the region sensitivity through the model response in a training process, dividing a sensitive region, carrying out the resampling, dynamically adjusting the distribution of sample points in the training process of the physical information neural network, and carrying out the global reliability analysis of complex equipment. And iteratively updating sample points, constructing a network model, and efficiently predicting the failure probability of any time-space coordinate of the system by utilizing the system global response prediction capability of the physical information neural network and combining a Monte Carlo simulation method. The method can be used for calculating the global failure probability of complex equipment under the comprehensive action of various uncertainties, the problem that traditional reliability analysis depends on a large amount of simulation calculation to obtain experimental samples is solved, the calculation cost is effectively reduced, the limitation to fixed hotspots is overcome, the problem that potential failure areas change at any time and space is solved, and the reliability of the equipment is improved. The analysis efficiency is greatly improved; and the waste of computing resources is reduced.
Owner:ZHEJIANG UNIV +2
Annular large hollow direct drive motor
PendingCN119420102AOptimize the internal space layoutlower the altitudeMagnetic circuit stationary partsStructural associationElectric machineDrive motor
The invention provides an annular large hollow direct-drive motor, and relates to the technical field of direct-drive motors. An annular large hollow direct drive motor comprises a stator, a rotor, a base, a rotating shaft, a bearing and an encoder. The stator is fixedly arranged on the base, the rotor is located on the inner side of the stator, a certain gap is formed between the outer wall of the rotor and the inner wall of the stator, the bearing is arranged between the opposite sides of the rotating shaft and the rotor, and the rotating shaft and the rotor are both coaxially installed with the stator. The encoder is arranged on the base, the encoder and the bearing are arranged in the axial direction, the gland is installed on the base and attached to the side, close to the rotor, of the bearing, and the heat dissipation dustproof assembly comprises a heat dissipation fan arranged on the outer side of the rotating shaft. According to the invention, the structure of the motor is more compact, and the flat annular structure with low thickness and large hollow is realized.
Owner:横川机器人(深圳)有限公司
Novel high-strength differential mechanism with symmetrical structure
InactiveCN119244717Areasonable layouthigh strengthGear lubrication/coolingDifferential gearingsGear wheelPhysics
The invention discloses a high-strength symmetrical structure novel differential mechanism which comprises an outer shell, a plurality of first tooth embedded teeth, a plurality of second tooth embedded teeth and a plurality of lubricating oil holes, the outer shell is of a split symmetrical structure, a mounting cavity is formed in the outer shell after the outer shell is combined, and the first tooth embedded teeth are arranged on the spigot end face in the outer shell; the inner shell is assembled in the mounting cavity, the inner shell is of a hollow annular structure, a plurality of planetary shaft holes are symmetrically formed in the annular surface of the inner shell, second jaw teeth used for being matched with the first jaw teeth are arranged on the end faces of the two sides of the inner shell, and an inner cavity of the inner shell is of a spherical structure so as to be used for being matched with the appearance structure of the planetary gear; the planet shaft is inserted into a planet shaft hole in the inner shell; the elastic pin is used for fixing the planet shaft on the inner shell; the planetary gears are connected to the planetary shaft and located in the inner cavity of the spherical structure; and the plurality of half axle gears are assembled in the mounting cavity and are matched with the planetary gears.
Owner:JIANGSU PACIFIC PRECISION FORGING
Welded metal compensator
ActiveCN119501456Aheight adjustablePracticalWelding/cutting auxillary devicesAuxillary welding devicesClassical mechanicsStructural engineering
The invention relates to the technical field of compensator welding, in particular to a welding metal compensator which comprises an operation table, an adjusting structure, an extension structure, a fixing structure, a limiting structure, a mounting structure and a welding gun. The height of the clamp can be conveniently adjusted according to the radius of the corrugated pipe and the radius of the end pipe through the adjusting structure, the clamp can adapt to compensators of different sizes, practicability is high, the corrugated pipe and the end pipe can be conveniently and rapidly welded through the fixing structure, firmness is high, meanwhile, the corrugated pipe and the end pipe can be conveniently rotated through cooperation with the limiting structure, operation is easy and convenient, and practicability is high. The welding gun is simple in structure and high in flexibility, the welding gun can be conveniently fixed through the installation structure, meanwhile, the angle of the welding gun can be flexibly adjusted, the problem that manual welding is difficult to operate due to small operation space is solved, and the welding efficiency is improved.
Owner:SHENZHEN LITONG INFORMATION TECH CO LTD
WPT system based on shielded capacitor plate data transmission and data parallel transmission method thereof
ActiveCN119254271ASolve signal crosstalksolve the costNear-field transmissionPower distribution line transmissionCapacitanceCarrier signal
The invention discloses a shielded capacitor plate data transmission-based WPT system and a data parallel transmission method thereof.According to the shielded capacitor plate data transmission-based WPT system and the data parallel transmission method thereof, an inductor and a shielded capacitor plate mixed data energy separation type channel is used for transmission, and due to the fact that an independent data transmission channel exists, modulation and demodulation do not need to be carried out on a carrier wave of electric energy transmission; the problem that electric energy modulation type constant-voltage and constant-current control is difficult is solved, and due to separated channel transmission, the signal crosstalk problem during parallel transmission of high-frequency data carrier energy signals is solved. Besides, the electromagnetic shielding plate is reasonably utilized, no extra shielding isolation circuit needs to be added, the cost and the space are greatly reduced, the impedance characteristic of the circuit is utilized, interference of electric energy to signals is reduced, the complexity of a channel is reduced, and the reliability of data transmission is improved. And the existence of the signal channel does not influence the transmission power of the system.
Owner:CHINA UNIV OF MINING & TECH
Method of generating and modifying structural analysis components based on BIM secondary development technology
The present invention discloses a method for generating and correcting structural analysis components based on BIM secondary development technology, comprising the steps of: interrupting beam components at intersections with other components; converting three-dimensional solid structural components into structural analysis components; correcting analysis components that are inconsistent with the spatial positioning of solid components; correcting analysis components at wall beam-column nodes; connecting isolated nodes to the analysis points or analysis lines closest to them, connecting non-isolated nodes to the analysis points or analysis lines closest to them, screening isolated nodes, highlighting them, and calling tool processing; screening non-isolated node pairs and calling tool processing; screening non-isolated node and analysis line matching pairs and calling tool processing. The present invention can solve the problem of spatial geometry and connection conversion errors in structural analysis components.
Owner:CSCEC INT CONSTR
Transformer fault feature fusion diagnosis method and system based on multi-modal time sequence data reconstruction
ActiveCN121980473Asafe and stable operationResolution timeSemantic analysisInference methodsHeat mapTransformer
The invention provides a transformer fault feature fusion diagnosis method and system based on multi-modal time sequence data reconstruction, and relates to the technical field of power system transformer fault diagnos.The method comprises the steps that firstly, a gas-in-oil-dissolved time sequence waveform, a box wall vibration time sequence waveform and a sleeve heat map time sequence waveform are captured respectively; inputting a pre-constructed transformer operation situation reconstruction network to perform cross-modal physical field space-time alignment processing, generating a transformer multi-physical field evolution trajectory taking a fault energy injection point as an initial reference, and performing topology traceability tracking processing of fault feature clues on the transformer multi-physical field evolution trajectory to obtain a transformer global fault feature topology chain; and inputting a fault mode semantic analysis network, generating a transformer comprehensive diagnosis descriptor fusing a fault type semantic tag and a fault space positioning coordinate, extracting a local evolution trajectory fragment, generating a maintenance decision trigger instruction containing a fault residual life consumption rate, and sending the maintenance decision trigger instruction to a transformer on-line monitoring master station system. Safe and stable operation of the transformer is ensured.
Owner:SICHUAN YANYUAN HUADIAN NEW ENERGY CO LTD +2
A tray stand and table
This utility model relates to a tray rack and table, comprising two crossbeams and symmetrically arranged left and right side panels. Each of the left and right side panels has a mounting assembly at its bottom for supporting the crossbeams and shelves. The two crossbeams are respectively located at the front and rear ends of the tray rack, and both ends of each crossbeam are detachably connected to the mounting assemblies on the left and right side panels. Each of the front and rear ends of the left and right side panels has a hanging assembly, which includes a rotatable first hanging member and a rotatable second hanging member. One of the first and second hanging members is selectively hung on a supporting structure for adjusting the height of the tray rack. This utility model's tray rack is not only convenient to store and carry, and easy to assemble and disassemble, but also has the advantages of scene adaptability.
Owner:YONGKANG TIANYE IND & TRADE CO LTD
A narrow-opening cylindrical optical lens for automobiles
ActiveCN112097218BNumber of realizationsreduce the numberVehicle headlampsLighting and heating apparatus
The present invention provides a narrow-opening automotive cylindrical optical lens, comprising at least one light entrance surface and a light exit surface with all functions reused, wherein the at least one light entrance surface preferably comprises a high-beam basic light type light entrance surface, a low-beam spot (45° cutoff line) light entrance surface, a low-beam base (horizontal cutoff line) light entrance surface and a high-beam Emax area light entrance surface, and the light converged to the focal points corresponding to the respective light entrance surfaces respectively reaches the corresponding light entrance surfaces after the focal points for the first refraction, propagates to the light exit surface inside the lens for the second refraction to form high-beam and low-beam light types, wherein the at least one light entrance surface is an independently designed, non-continuous optical surface, and the at least one light entrance surface of the cylindrical optical lens is arranged horizontally, so as to realize at least one optical function while reducing the upper and lower opening sizes of the lens, saving the structural space of the module, and meeting the current market modeling requirements.
Owner:MAGNETI MARELLI AUTOMOTIVE COMPONENTS WUHU
Gear box heat exchanger joint and heat exchanger
ActiveCN113803539BSolve technical problems that are not easy to installImprove installation efficiencyJoints with sealing surfacesGear lubrication/coolingMechanical engineeringHeat exchanger
The present invention relates to the field of heat exchange technology, and specifically to a gearbox heat exchanger joint and a heat exchanger. The gearbox heat exchanger joint includes a first fixing member and a first mounting member, wherein the first fixing member is connected to the gearbox heat exchanger and the gearbox, the first fixing member is provided with a liquid inlet channel along its axial direction, the first mounting member is connected to the first fixing member, and a limiting hole is provided on the inner wall of the liquid inlet channel for limiting the first fixing member, thereby solving the technical problem of the heat exchanger breaking due to uneven force at both ends of the joint during installation, and producing a technical effect of enhancing installation efficiency.
Owner:BEIJING ZHONGMEI HUIJIA ELECTROMECHANICAL TECH CO LTD
A multi-axis optical fiber butt joint jig with coincident intersection
PendingCN122260577AEliminate arc swingEliminate locationWork holdersCoupling light guidesRotational axisClassical mechanics
The application discloses a kind of intersection coincident multi-axis optical fiber butt joint fixture, including machine table, fixed seat and translation mechanism being arranged on machine table.First, second angle fine adjustment assembly is sequentially installed on translation mechanism, clamping component is connected to the end of second angle fine adjustment assembly, for suspending clamping upper ferrule.First rotation axis and second rotation axis orthogonally intersect in space, and with fixed seat center axis line common precision intersection in same butt joint reference point;At the same time, the center axis line of the clamping component can coincide with first rotation axis in space.The application completely decouples translation addressing and attitude rotation from kinematic geometry, so that the upper ferrule end face is anchored on reference point and deflected in situ, eliminating position interference and arc swing during adjustment, greatly improving the precision and efficiency of optical fiber butt joint.
Owner:NINGBO SEETRONIC ELECTRONIC TECHNOLOGY CO LTD
A pole-mounted transformer replacement device based on a truck-mounted crane and a working method thereof
PendingCN122553000AAddresses the risk of reaching directly into live narrow spacesEliminate the risk of collision
This invention belongs to the technical field of power equipment operation and maintenance, power distribution line construction, and high-altitude operation machinery. A pole-mounted transformer replacement device based on a truck-mounted crane is characterized by comprising a main frame and support system, a translational load-bearing system, a chain drive system, and a vertical lifting and centering system. The main frame and support system includes a main load-bearing frame, stabilizing legs, and lifting lugs. The translational load-bearing system includes a translational load-bearing platform and a linear guide rail slider assembly. The chain drive system mainly consists of a geared motor, a drive gear, a driven gear, a short transmission chain, a drive sprocket shaft, a bearing support seat, a long transmission chain, and a reducer mounting support. The vertical lifting and centering system includes a centering mechanism, a vertical lifting mechanism, and a vertical lifting support plate. The centering mechanism includes a horizontal drive motor, a horizontal push rod mechanism, and a guide bracket. This device can be transported by truck, deployed quickly, and is suitable for operation in confined and electrified environments.
Owner:XIANNING POWER SUPPLY COMPANY OF STATE GRID HUBEIELECTRIC POWER +2
A Two-Branch Image Dehazing Method Based on Edge Constraints
This invention discloses a two-branch image dehazing method based on edge constraints, comprising the following steps: Step 1: Constructing an image dehazing dataset; Step 2: Obtaining edge maps of the images using the Canny edge detection operator, and constructing a training sample using the edge maps, corresponding fog maps, and clear maps; Step 3: Randomly segmenting the images in the training samples as input to the network, and using data augmentation methods to expand the sample size; Step 4: Constructing a two-branch dehazing network based on edge constraints, including a dehazing subnetwork and an edge subnetwork; Step 5: Initializing network parameters and constructing a target loss function to optimize the parameters of the two-branch dehazing network; Step 6: Using the trained model to dehaze the test fog map to obtain a clear, fog-free image. This invention can utilize edge constraints to recover clear, fog-free images, solving the problem of lost spatial details and semantic inconsistencies in the repaired images during image dehazing tasks.
Owner:SUZHOU COLLABORATIVE INNOVATION INTELLIGENT MFG EQUIP CO LTD
Power transmission line crimping tube x-ray detection device, system and method
ActiveCN116840272BImprove the level of intelligent inspection operationsprotection securityStructural engineeringMechanical engineering
The application discloses a power transmission line crimping pipe X-ray detection device, system and method, which comprises the following steps: driving a detection module to reach a detection position through a lifting mechanism; driving the detection module to cover the crimping pipe detection range on the left and right sides in the same plane through a swing mechanism; or driving a first receiving plate and a second receiving plate to open through an opening and closing mechanism, and making the first receiving plate and the second receiving plate cover the crimping pipe detection range; and adjusting the angle of an emitter through a swing mechanism to make the emitter align with the first receiving plate or the second receiving plate. The detection position can be adaptively adjusted, the comprehensiveness and accuracy of detection are ensured, the traditional artificial tower climbing detection operation is replaced, and the intelligent detection operation level of the power transmission line crimping pipe is improved.
Owner:STATE GRID INTELLIGENCE TECHNOLOGY CO LTD
Blade replacing device of plate shearing machine
ActiveCN222608184Upreload removalsolve space problemsShearing machinesShearing toolsStructural engineeringKnife blades
The utility model discloses a plate shearing machine blade replacing device which comprises a tool apron, a blade and a tool rest, the blade is fixed on the tool apron, and the tool apron is fixed on the tool rest through a pre-tightening device. According to the plate shearing machine blade fixing structure, the blade is fixed to the tool apron, the tool apron is fixed to the tool rest through the pre-tightening device, when fixing is needed, the tool apron and the tool rest are fixed through the pre-tightening device, when separating is needed, the pre-tightening device releases pre-tightening force, the tool apron and the tool rest can be separated, the tool apron is taken out of the tool rest at the moment, and the tool apron is taken out of the tool rest. The problems that the space for replacing the blades in the tool rest is limited, and certain risks exist are solved, an operator can replace the blades at will, and the working efficiency and convenience are improved.
Owner:JIANGSU YAWEI MACHINE TOOL
Explosion-proof large motor bearing mechanism
ActiveCN224264753UImprove bearing capacityprevent axial movementSupports/enclosures/casingsBall bearingElectric machine
The utility model provides an explosion-proof type large motor bearing mechanism, and relates to the field of explosion-proof type large motor bearing carrying capacity structures, the explosion-proof type large motor bearing mechanism comprises end covers, an inner cover, an outer cover, a ball bearing, a ball bearing and a shaft, the end covers are fixed at two ends of a motor stator, the ball bearing and the ball bearing are installed on the shaft in a matched mode, and the inner cover is fixed on the outer cover. The inner cover is assembled on the inner side of the ball bearing, and the outer cover is assembled on the outer side of the ball bearing. According to the utility model, the problem of poor bearing capacity of a large-scale ball bearing can be solved by selecting a mode of simultaneously placing two bearings, one ball bearing and another ball bearing on one side of the motor, the axial direction of the ball bearing can prevent the motor from tilting and the axial movement of the rotor, and the ball bearing can effectively solve the problem of radial force of the motor; narrow-series bearings are selected as the ball bearing and the ball bearing respectively, the two sets of shafts are used together in a matched mode, the reliability, the size and the price are all lower than those of a large ball bearing, and therefore the bearing capacity of the explosion-proof type large motor bearing can be smoothly improved.
Owner:NINGXIA NORTHWEST HORSE ELECTRIC MFG
Turnover device for roller way conveying line and control method
ActiveCN119190816ASolve the lack of installation spacesolve complexityConveyorsConveyor partsRotational axisSynchronous control
The invention relates to a material turning device for a roller way conveying line and a control method, the material turning device comprises a leading-in mechanism and a leading-out mechanism, the leading-in mechanism and the leading-out mechanism respectively comprise a driving assembly and a turning assembly, the turning assembly comprises supports and a rotating shaft, the two ends of the rotating shaft are rotatably connected with the two supports respectively, and the two ends of the rotating shaft are connected with the driving assembly. The rotating shaft is perpendicular to the feeding direction of the conveying line and connected with the driving assembly. The guide-in mechanism further comprises a plurality of first material turning plates, the bottom edges of the first material turning plates are fixedly connected with the rotating shaft, one ends of the first material turning plates are located on the edge of the feeding rack, and the other ends of the first material turning plates are located between rollers of the conveying line. The guiding-out mechanism further comprises a plurality of second material turning plates, the bottom edges of the second material turning plates are fixedly connected with the rotating shaft, one ends of the second material turning plates are located on the edge of the discharging rack, and the other ends of the second material turning plates are located between the rollers of the conveying line. The technical problems that the installation space of a material turning mechanism in existing flaw detection equipment is insufficient, and linkage synchronous control is difficult to achieve are solved.
Owner:BAOSTEEL SPECIAL STEEL SHAOGUAN CO LTD
External mechanical calibration device for hardness of blasting bead
ActiveCN222461249Uachieve calibrationsolve space problemsInvestigating material hardnessClassical mechanicsCantilever
The utility model provides an external mechanical calibration device for the hardness of a blasting bead. The external mechanical calibration device comprises a calibration mechanical sensor, a cantilever type force application mechanism and a mounting frame, the installation frame comprises a base and a vertical frame, the cantilever type force application mechanism is installed on the vertical frame, a cantilever in the cantilever type force application mechanism horizontally extends forwards from the vertical frame, the cantilever type force application mechanism is used for driving the cantilever to move in the vertical direction, a force application contact is installed at the far end of the cantilever, and the force application contact is connected with the base. The calibration mechanical sensor is a sensor allowing vertical installation and vertical stress, and the force application contact is matched with the stress surface of the top end of the calibration mechanical sensor. According to the external blasting bead hardness mechanical calibration device, the blasting bead mechanical sensor is calibrated by means of the calibration mechanical sensor, the space problem is solved by means of the cantilever, and large-weight calibration is achieved.
Owner:ZHENGZHOU TOBACCO RES INST OF CNTC +1
An easy-to-maintain power distribution cabinet
ActiveCN224288901USolving reach difficultiessolve space problemsBus-bar/wiring layoutsSubstation/switching arrangement casingsInterior spaceStructural engineering
This utility model discloses a maintenance-friendly power distribution cabinet, belonging to the technical field of power distribution cabinets. The utility model includes a protective outer shell, which comprises a housing with a door on the front and a door on each side, each door having an observation window. A circumferential rotation mechanism includes two corresponding bearing seats, each bearing seat having a shaft positioning hole that aligns with a shaft. The shaft connects to an equipment support frame. Inside the equipment support frame, three corresponding dovetail guide rails are distributed on each of the left and right sides. The dovetail guide rails slide in conjunction with dovetail sliders, and a support rod is connected between two dovetail sliders. The circumferential rotation mechanism also includes a support seat, the layout of which is identical to that of the bearing seats. The bearing seats and support seats are stacked inside the protective outer shell. This utility model solves the problems of common power distribution cabinets, such as immobile frames, difficult maintenance, and difficulty in observing internal conditions, through modular layering of the internal space and the addition of multiple visual doors.
Owner:SHANDONG HUALEI ELECTRIC POWER ENGINEERING CO LTD
A method and system for constructing and querying a fine-grained geospatial knowledge graph
ActiveCN116860994Bsolve space problemsResolve query issuesEnergy efficient computingSpecial data processing applicationsData setTheoretical computer science
The application provides a fine-grained geographic spatial knowledge graph construction and query method and system, relates to the technical field of geographic information science, and comprises the following steps: expressing and calculating spatial relationship through a DE-9IM model; defining a fine-grained geographic spatial knowledge graph and a strong geographic spatial relationship; extracting target information in the data set to obtain a knowledge graph ontology structure; using a spatial interconnection algorithm to obtain SGRs and construct a knowledge graph; defining SGR query, dividing the SGR query into accurate query and approximate query; accurately querying the fine-grained geographic spatial knowledge graph FineGeoKG through an accuracy query algorithm; and approximately querying the fine-grained geographic spatial knowledge graph FineGeoKG through an approximate query algorithm. The fine-grained geographic spatial knowledge graph (FineGeoKG) and the related algorithm provided in the application adopt new technical means and methods, improve the efficiency of solving the spatial relationship related problems in the geographic space, and provide a reference solution for similar problems.
Owner:UNIV OF SCI & TECH BEIJING
Balance shaft control method and device, vehicle and storage medium
InactiveCN119412471AImprove layout freedomsolve space problemsInertia force compensationSpringsControl systemMechanical drive
The invention relates to a balance shaft control method and device, a vehicle and a storage medium, a balance shaft control system is adopted in the method, and the system comprises a crankshaft, a first detection assembly, a control assembly, a driving assembly, a balance shaft and a second detection assembly which are connected in sequence. If yes, acquiring a first phase signal of the crankshaft, a first rotating speed signal of the crankshaft, a second phase signal of the balance shaft and a second rotating speed signal of the balance shaft; and adjusting the phase of the balance shaft based on the first phase signal and the second phase signal until the phase of the balance shaft meets a first preset matching condition, and adjusting the rotating speed of the balance shaft based on the first rotating speed signal and the second rotating speed signal until the rotating speed of the balance shaft meets a second preset matching condition. Therefore, the problems of limited mechanical connection, large occupied space and the like of a mechanical transmission system are solved, the arrangement freedom degree of the balance shaft is improved, and the system robustness is improved while the maintenance convenience is improved.
Owner:CHINA FAW CO LTD
Table capable of being quickly disassembled and assembled
ActiveCN222149336Uquick installationquick releaseFoldable tablesStowable tablesCircular discClassical mechanics
The utility model relates to the technical field of tables, in particular to a table capable of being quickly disassembled and assembled, which comprises a table top assembly, a table top assembly and a table top assembly, the supporting assembly comprises two symmetrical table legs and mounting discs fixedly arranged at the top ends of the two table legs respectively; the connecting assembly comprises two symmetrical square inserting grooves formed in the lower surface of the bearing beam, and square inserting blocks which are fixedly arranged on the upper surfaces of the two mounting discs correspondingly and correspond to the square inserting grooves; the connecting assembly further comprises a square cavity formed in the bearing beam and two symmetrical square positioning columns arranged on the inner wall of the square cavity in a sliding mode, and square positioning holes matched with the two square positioning columns are formed in the surfaces of the two square inserting blocks correspondingly. Through the arrangement of the connecting assembly, the table can be quickly mounted and dismounted, so that the defects of waste of transportation space and transportation cost in the prior art are effectively overcome.
Owner:GUANGZHOU XINHAO FURNITURE HARDWARE CO LTD
A robot morphological orientation evolution method based on environment perception and related device
ActiveCN118123823BAccelerate the process of morphological evolutionsolve space problemsProgramme-controlled manipulatorEnvironmental perceptionGene vector
The application discloses a robot morphology directional evolution method based on environment perception and a related device, and relates to the technical field of robot morphology evolution. The method comprises the following steps: initializing a morphology gene vector and a control strategy of a robot; sampling and executing an action strategy according to the control strategy and environment perception information, and then calculating a system benefit value; judging whether the morphology gene vector of the robot is adapted to a current environment according to the environment perception information and the system benefit value; when the judgment result is yes, performing a mutation operation on the morphology gene vector of the robot based on a morphology mutation matrix; otherwise, jumping back to the step of sampling and executing the action strategy until a maximum iteration number is reached. The application quantifies the cumulative stimulation of environmental changes on the robot through an environment perception function to determine whether the robot needs to perform morphology evolution, and guides the direction of morphology evolution of the robot in different environments through the morphology mutation matrix, thereby accelerating the morphology evolution process of the robot.
Owner:SHANGHAI UNIV
A Fast Reconstruction Method for Full-Scene Highway Reconstruction Based on Multi-Source Parallax Control and Adaptive Explicit Radiation Field
ActiveCN121962478BImprove implementation efficiencyAvoid time-consuming implicit training processParallaxComputer graphics (images)
This invention discloses a rapid reconstruction method for full-scene highway reconstruction based on multi-source parallax control and adaptive explicit radiance field, belonging to the field of 3D reconstruction technology. It includes: acquiring multi-source image data and calculating camera pose using differentiated strategies for scenes such as highways, bridges, and tunnels; representing the scene with an anisotropic set of 3D Gaussian spheres, and achieving accurate 3D-to-2D mapping through the covariance projection formula; iteratively optimizing Gaussian sphere properties using an adaptive density control strategy based on gradient threshold and volume constraints, automatically cloning / splitting in detail regions to improve accuracy; and achieving real-time rendering of over 60 FPS using tile-based parallel cardinality sorting and an alpha mixing formula. This method solves the problems of high cost, near-field blurring, disconnect between tunnel interiors and exteriors, and difficulty in real-time interaction associated with traditional methods, achieving rapid modeling and incremental updates within 24 hours, significantly improving reconstruction efficiency, detail fidelity, and user experience.
Owner:YUNNAN TRAFFIC PLANNING DESIGN RESEARCH INSTITUTE CO LTD
Human resource management device
ActiveCN224060725Uincrease or decrease quantityFlexible change of partition layoutFiling appliancesHuman resource managementStructural engineering
The utility model belongs to the technical field of archive storage for human resource management, and discloses a human resource management device which comprises an archive storage box, a plurality of partition plates are arranged in the archive storage box, the partition plates are installed in the archive storage box through fixing pieces, and the fixing pieces comprise springs and plugs. Assembling grooves and inserting grooves are formed in the two opposite sides of the partition plate, the springs are arranged in the assembling grooves, the inserting heads are slidably inserted into the inserting grooves, one ends of the springs abut against one ends of the assembling grooves, the other ends of the springs abut against one ends of the inserting heads, and a plurality of arc-shaped positioning grooves are formed in the inner walls of the two opposite sides of the file storage box; according to the file storage box, through the position-adjustable partition plates and the fixing pieces matched with the partition plates, the partition layout in the file storage box can be flexibly changed, and the problem that space is insufficient or waste is caused when the number of files is large is effectively solved.
Owner:ZHEJIANG ZHENGLI HUMAN RESOURCE MANAGEMENT CO LTD