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Time sequence probability prediction method for fusion of two-stage space-time diagram network and multi-source information
PendingCN121786782AHigh precisionimprove interpretabilityGeneration forecast in ac networkEnsemble learningAlgorithmPredictive methods
The invention discloses a two-stage space-time diagram network and multi-source information fusion time sequence probability prediction method and device, and relates to the technical field of artificial intelligence and big data analysis. The method comprises the following steps: acquiring historical wind speed sequence data and corresponding target variable sequence data; preprocessing the data, and constructing a training sample according to a preset time sliding window; constructing a time sequence probability prediction framework of the two-stage space-time diagram network and multi-source information fusion; based on the fluctuation correlation of the historical sequence data, constructing an adjacent matrix between nodes; inputting the training sample and the adjacent matrix between the nodes into a wind speed prediction model, training the model through a designed threshold perception loss function of a wind speed-power nonlinear relationship, and outputting a multi-node wind speed prediction probability of a first stage; and inputting the multi-node wind speed prediction probability and the multi-source environmental factor data into the gradient boosting tree model for second-stage prediction, and outputting a multi-node wind power prediction result. According to the invention, prediction errors can be reduced.
Owner:UNIV OF SCI & TECH BEIJING +1
Compound fertilizer for black beans as well as preparation method and application of compound fertilizer
PendingCN121824198AImprove adsorption capacityimprove protectionSuperphosphatesFabaceae cultivationNitrogen accumulationMicrobial agent
The invention belongs to the technical field of fertilizers and relates to a compound fertilizer for black beans as well as a preparation method and application thereof. The compound fertilizer comprises a basic fertilizer, a microbial fertilizer and a trace element fertilizer, and a preparation method of the microbial fertilizer comprises the following steps: treating lignite with sophorolipid and trehalose lipid, treating turf with surfactin, mixing the treated lignite and turf, and then inoculating bacillus subtilis and rhizobium to obtain the microbial fertilizer. Through a unique dual mechanism of carrier synergism and fungicide function complementation, the dry matter cumulant and nitrogen cumulant of the overground part of the black bean are remarkably increased, and finally the yield and quality are remarkably improved.
Owner:SHANXI AGRI UNIV
Antibacterial care lotion and method of making same
This invention belongs to the field of daily chemical products technology, specifically relating to an antibacterial care liquid and its preparation method. It is processed from main ingredients and auxiliary ingredients. The auxiliary ingredients include the following components by weight percentage: purified water 89.30%, silver ions 3%, honeysuckle extract 1.2%, wild chrysanthemum extract 1.2%, purslane extract 1.2%, clover extract 1.0%, gentian root extract 1.0%, hyaluronic acid 0.5%, carbomer 0.8%, and triethanolamine 0.8%. The main ingredient is American cockroach extract, and the weight ratio of the main ingredient to the auxiliary ingredients is 3:100. The product of this invention has the effects of repairing skin cells and slowing down skin aging. It can solve the problems of dry and loose skin, and at the same time, it can resist acne and pimples, remove acne marks, lighten scars, and make the skin moist, shiny, and elastic. It also has a good repairing effect on various wounds such as ultraviolet rays and radiation burns, as well as bedsores and frostbite.
Owner:YUNNAN LINGXIN KANGLIANG HEALTH MANAGEMENT CONSULTING CO LTD
Splicing and inserting type coagulation reaction grid
ActiveCN224212477UStable performanceStrong resistance to deformationSedimentation separationWater/sewage treatment by flocculation/precipitationFlocculationThermodynamics
The utility model relates to a splicing and inserting type coagulation reaction grid, in particular to a flocculation grid for water treatment, which is of a net-shaped structure formed by vertically and horizontally inserting hollow pipes, and frames are arranged on the edges of the net-shaped structure. The transverse pipelines are provided with holes matched with the longitudinal pipelines, and a stable framework is formed through precise insertion. Compared with the prior art, the flocculation grid has the remarkable advantages that the stability of the flocculation grid is greatly improved through the interpenetrating structure, and the flocculation grid can resist impact of complex water flow; the porosity can be flexibly changed by adjusting the number, spacing and the like of the pipelines to adapt to different water quality treatment requirements; the hollow pipe design saves materials, is light in weight and convenient to install and transport, and the pipeline can be made of metal or plastic, so that the performance and the cost are further optimized. The flocculation grid is applied to a flocculation basin, can effectively increase turbulent fluctuation of water flow and accelerate colloid flocculation, and has a good application prospect in the field of water treatment.
Owner:HARBIN YOUFANG WATER PURIFICATION MATERIALS CO LTD
A new energy county area power grid frequency voltage cooperative enhancement system and method
ActiveCN121332576BImprove adaptabilityRealize dynamic autonomous correctionData processing applicationsSingle network parallel feeding arrangementsNew energyPower grid
The application discloses a new energy county area power grid frequency voltage cooperative enhancement system and method, relates to the technical field of new energy power grid. The method comprises the following steps: collecting real-time operation parameters of the county area power grid for mode recognition to obtain a current operation scenario label; calling frequency regulation rule fragments and voltage regulation rule fragments matched with the current operation scenario label to construct an initial regulation rule sequence; performing multi-domain constraint calculation on the sequence to establish a frequency-voltage linkage coupling relationship and generate an optimized regulation rule sequence; calculating an influence echo index between regulation actions, and selecting an inhibition type replacement rule fragment to correct the optimized regulation rule sequence when the influence echo index exceeds a preset echo threshold; and performing consistency review on the corrected regulation rule sequence, and triggering a rollback and a replacement branch when the consistency review fails, wherein if the replacement branch is unavailable, a minimum offset solution is performed to generate a final regulation rule sequence. The application significantly improves the stability and reliability of new energy county area power grid operation.
Owner:YANBIAN ELECTRICAL BUREAU
Wireless charging device
PendingCN121966033Aprevent disengagementStable performanceCircuit arrangementsCooling/ventilation/heating modificationsThermodynamicsCurrent limiting
The invention relates to a wireless charging device. The wireless charging device comprises a wireless charging module, an air draft heat dissipation module, a temperature detection module and a control module. The air draft heat dissipation module is used for discharging heat generated in the wireless charging process in an air draft mode. The temperature detection module is used for detecting temperature parameters in the charging process; the control module is in communication connection with the temperature detection module and the air draft heat dissipation module and used for adjusting the working power of the air draft heat dissipation module according to the temperature parameters. The wireless charging module charges a charging terminal, and the temperature detection module continuously collects temperature parameters in the charging process and transmits data to the control module in real time; and the control module adjusts the working power of the air draft heat dissipation module according to the temperature parameter, so that the temperature in the charging process is always maintained in a preset interval, and the temperature of the wireless charging equipment is adaptively adjusted. The current limiting problem caused by high temperature during wireless charging and the abnormal charging condition caused by low temperature are effectively solved.
Owner:SPREADTRUM COMMUNICATION (SHANGHAI) CO LTD
Battery gland clamping tool
ActiveCN224209806UGuaranteed accuracystable performanceWork holdersElectrical batteryMechanical engineering
Owner:OUT ENERGY (JIANGMEN) CO LTD
High-toughness steel plate for liquid hydrogen storage and transportation and method for manufacturing the same
ActiveCN121951380BAchieve quantitative controllable correlationClarify the basis of alloying design
The application belongs to the field of steel material and its preparation technology, and discloses a high strength and toughness steel plate for liquid hydrogen storage and transportation and a preparation method thereof. The mass percentage of each chemical component is controlled and the film-like reversed austenite formation tendency index is satisfied. Through reasonable component proportioning, high cleanliness smelting, continuous casting, rolling and heat treatment synergic control, a dual-phase structure of tempered martensite and film-like reversed austenite is obtained, the volume fraction of the film-like reversed austenite is 8% to 20%, and the volume fraction of the block or island-like reversed austenite is not more than 3%. The steel plate has the room temperature yield strength of greater than or equal to 600 MPa, the tensile strength of greater than or equal to 750 MPa and the impact energy of greater than or equal to 70 J at-253 DEG C in the thickness range of 6 to 50 mm, the structure and performance in the thickness direction are uniform, the steel plate has high strength, super-low temperature high toughness and excellent hydrogen damage resistance, and is suitable for liquid hydrogen storage tanks and related low-temperature pressure vessels.
Owner:NORTHEASTERN UNIV CHINA +2
A method for adjusting the power generation performance of an energy system throughout its entire life cycle.
PendingCN122092386AImprove practicalityImprove economyMathematical modelsAc network load balancingComputational modelLife stage
This invention relates to the field of data processing technology for predictive purposes, and discloses a method for adjusting the power generation performance of an energy system throughout its entire life cycle. The method determines the parameter boundaries of a wind-solar-storage power supply system, divides the entire life cycle planning period into multiple consecutive life stages, and determines the load demand input for the entire life cycle. It sets a baseline power generation performance at the initial commissioning stage, calculates the degradation maintenance level for each stage, establishes a monotonic mapping relationship between the degradation maintenance level and maintenance intensity, constructs a stage-dependent model for calculating available power generation capacity coupled with degradation and maintenance, and obtains available power supply capacity parameters for each stage of the entire life cycle. It generates a maintenance time series distribution through Monte Carlo simulation and constructs a set of life cycle power generation performance evolution scenarios. With the goal of minimizing the total cost throughout the entire life cycle, a mixed-integer linear programming model is constructed to obtain the optimal capacity configuration and adjust the power generation performance throughout the entire life cycle. This method solves the problems of ignoring degradation maintenance and inaccurate planning, achieving the goal of accurate and reliable life cycle data at a low cost.
Owner:ZHEJIANG BAIMA LAKE LABORATORY CO LTD
Algae community detection method and system based on polarized light characteristics
InactiveCN121933420Aimprove separabilityimprove consistencyPolarisation-affecting propertiesSpecies classificationComputational physics
The invention discloses an algae community detection method and system based on polarized light characteristics, and relates to the field of water environment monitoring, and the method comprises the steps: obtaining an algae single particle polarization scattering signal through multiple observation angles, resolving a Stokes parameter, further extracting a polarization phase to construct a polarization phase divergence matrix, and carrying out the structural representation of the polarization difference between the angles; meanwhile, a morphological complexity index is obtained through multi-angle scattering intensity statistics and is used for depicting scattering distribution characteristics; on the basis, a polarization-form coupling coefficient is provided, polarization phase differences of different angle combinations are subjected to weighted convergence and modulated by form complexity, and stable fusion of polarization information and form statistical information is achieved; and the coupling coefficients are subjected to statistical convergence in a time window to form an algal group cooperation index, so that unified output of single-particle species classification and community risk early warning is realized. Therefore, the distinction degree, the stability and the time sequence characterization capability of algae community detection are improved.
Owner:SHENZHEN JUNXIN ENVIRONMENTAL TECH CO LTD +1
Explosion-proof aluminum foil tape for kitchen
ActiveCN224199315UStable performanceSolve the problem of easy falling offFilm/foil adhesivesAdhesive cementAdhesive belt
The utility model discloses an explosion-proof aluminum foil adhesive tape for a kitchen, and relates to the technical field of kitchen supplies. The anti-explosion aluminum foil adhesive tape for the kitchen comprises an aluminum foil composite glass fiber base layer, a high-viscosity adhesive layer and a heat insulation function enhancement layer. In the aluminum foil composite glass fiber base layer of the explosion-proof aluminum foil adhesive tape for the kitchen, the aluminum foil layer and the glass fiber layer are tightly combined through the composite process layer containing the compatibilizer, so that the overall structural strength and stability are enhanced, and the explosion-proof aluminum foil adhesive tape can effectively bear pressure change caused by high temperature and open fire. The high-viscosity adhesive layer can be firmly adhered to various complex surfaces, so that the problem that a common adhesive tape is easy to fall off is solved, and the adhesive tape is ensured to stably play a role in a kitchen environment. The heat insulation function enhancement layer effectively prevents heat transfer, reduces the ambient temperature of kitchen equipment and pipelines, and eliminates potential safety hazards. In addition, the material adopted by the adhesive tape has good corrosion resistance and can adapt to a humid and oily fume environment in a kitchen, and the service life is prolonged.
Owner:ZHEJIANG DEYANG ADHESIVE PROD
A pickling line trolley line expansion joint
This utility model discloses an expansion joint for a pickling line sliding contact line, relating to the field of sliding contact line technology. The utility model includes a rectangular block-shaped connector body with a rail-connecting end and a compensation end at each end. A mounting opening is provided on the top surface of the connector body near the compensation end. The mounting opening has a T-shaped structure with the smaller diameter portion facing the top surface of the connector body. An extension groove extending to the end face of the connector body is provided on the outer side of the mounting opening. The extension groove consists of an outer strip portion and an inner strip portion connected to each other. The outer strip portion connects to the smaller diameter section of the mounting opening, and the width of the outer strip portion is consistent with the inner diameter of the smaller diameter section of the mounting opening. By designing the circular mounting opening of the connector body as a strip structure with a T-shaped cross-section mounting groove, this utility model provides a certain positioning and support capacity, enabling quick replacement of the expansion joint and ensuring reliable and stable fixing of the sliding contact line expansion joint, thus shortening the hot-stop time.
Owner:JIANGYIN XINGCHENG GOLD MATERIALS CO LTD
Image processing-based automatic adjustment method for optical prism optical axis parallelism
ActiveCN121276802BImplement joint constraintsReduce signal dependent bias
The application discloses a kind of optical prism optical axis parallelism automatic adjustment methods based on image processing, it is related to high-end equipment optical detection technical field;Scheme is: through based on calibration light source collection prism reflection image sequence, establishes optical axis projection coordinate system and extracts light spot geometric centroid and boundary parameter, constructs optical axis direction vector matrix;According to the optical axis included angle deviation of multiple frames of images, an optical axis parallelism parameter model is established;By iterative least deviation method, the error distribution matrix is decomposed, the attitude bias and system aberration component are obtained, and the prism attitude adjustment vector is generated to realize closed-loop automatic adjustment;The application can realize high-precision, self-adaptive adjustment of optical axis parallelism under complex lighting and device batch fluctuation conditions, improve the stability, consistency and automation level of optical system installation.
Owner:NANYANG CITY JINGLIANG OPTICAL TECH CO LTD
Numerical control machine tool energy-saving control method based on multi-objective optimization
InactiveCN121763932AAbility to dynamically adjustAbsorption and stabilityNumerical controlNumerical controlControl engineering
The invention discloses a numerical control machine tool energy-saving control method based on multi-objective optimization, and the method comprises the following steps: collecting the operation states of motor driving, main shaft operation and cooling execution in the machining process of a numerical control machine tool, and generating energy consumption disturbance characterization data; determining a bias absorbable sub-domain of a processing action space, and encoding to generate an action bias absorption set; determining a bias absorption relation and generating a bias absorption parameter; executing multi-objective optimization solution, and generating a bias absorption vector; executing absorption micro-actions to generate an absorption action sequence; forming a disturbance update quantity, updating a bias absorption parameter, and generating a parameter update sequence; and continuously executing convergence updating on the parameter updating sequence, and generating an energy-saving control result after processing is completed. According to the method, the machining action is adjusted and controlled through multi-target bias absorption optimization, energy consumption disturbance absorption and machining precision are synchronously kept, and the method has the advantages of being energy-saving, efficient and stable in machining.
Owner:SHENZHEN LIANZHANG TONG PRECISION CO LTD
Sound-proof cloth
ActiveCN224212200UEasy to fixImprove stabilityBio-packagingSound proofingStructural engineeringMechanical engineering
The utility model relates to the technical field of sound-proof cloth, and discloses sound-proof cloth which comprises a storage barrel, fixing plates are fixedly connected to the two sides of the storage barrel, winding shafts are rotatably connected to the inner walls of the two fixing plates, a sound-proof cloth body is arranged on the outer walls of the winding shafts, a fixing shaft is fixedly connected to one side of the sound-proof cloth body, and the fixing shafts are fixedly connected to the other side of the sound-proof cloth body. A fixing block is fixedly connected to the outer wall of the fixing shaft, a telescopic belt is arranged on the outer wall of the fixing block, one end of the telescopic belt is connected with the fixing shaft through a locking assembly, and a supporting block is fixedly connected to the outer wall of the storage barrel. According to the sound-proof cloth, the fixing shaft is firmly fixed on the mounting column through the threaded fit of the semicircular locking block and the locking ring, and meanwhile, the accommodating cylinder is clamped by the arc-shaped clamping block, so that the sound-proof cloth body is stably fixed during use. When the sound-proof cloth is not used, the rotating handle is rotated to wind the sound-proof cloth body on the winding shaft, and the sound-proof cloth body is fixed through the telescopic belt and the locking ring and is tightly stored in the storage cylinder to prevent loosening and damage.
Owner:HEBEI LAILI YITENG PLASTIC MFG CO LTD
Early-strength functional monomer and early-strength polycarboxylate superplasticizer as well as preparation method and application of early-strength functional monomer and early-strength polycarboxylate superplasticizer
PendingCN121974946AGood early strength effectImprove adaptabilityGroup 4/14 element organic compoundsPolymer scienceFunctional monomer
The invention belongs to the technical field of building materials, and provides an early-strength functional monomer, an early-strength polycarboxylic acid water reducing agent and application of the early-strength functional monomer and the early-strength polycarboxylic acid water reducing agent. The chemical structural formula of the early strength functional monomer is as shown in formula (I). The preparation method of the early-strength polycarboxylate superplasticizer comprises the step of carrying out free radical polymerization reaction on an unsaturated polyether macromonomer, an early-strength functional monomer as shown in the formula (I), unsaturated carboxylic acid and a polysaccharide-based graft copolymer to obtain the early-strength polycarboxylate superplasticizer. The early strength functional monomer provided by the invention is obtained by reacting N-(beta-aminoethyl)-alpha-aminopropyltrimethoxysilane and an acrylic monomer, the raw materials are easy to obtain, the cost is low, the early strength functional monomer can be prepared only by one-step reaction, the synthesis process is simple, the post-treatment is convenient, the reaction condition is mild, and the early strength functional monomer can be applied to the polycarboxylate superplasticizer, so that the early strength functional monomer has a good application prospect. The polycarboxylate superplasticizer can generate a synergistic effect with the unsaturated polyether macromonomer, unsaturated carboxylic acid and the polysaccharide-based graft copolymer, so that the polycarboxylate superplasticizer has excellent early strength effect and binding material environmental adaptability. Formula (I).
Owner:KZJ NEW MATERIALS GROUP CO LTD
A precise quantitative control device for oil filling
ActiveCN224430178UImprove cutting sealing effectPrecise quantitative control function and stableOil and greaseMechanical engineering
This utility model discloses a precise quantitative control device for oil filling, including a filling valve body, a feed pipe, and an external pipe connector. The feed pipe is welded to the feed inlet of the filling valve body. It also includes an auxiliary cutting mechanism. By separating the feed pipe and the external pipe connector of the filling valve body, and setting up an auxiliary cutting mechanism to connect the feed pipe and the external pipe connector, the transfer box of the auxiliary cutting mechanism, together with the U-shaped cutting plate driven by the electric push rod, can assemble an additional cutting position between the feed pipe and the external pipe connector. This makes the filling valve body have a two-stage cutting-off design, which improves its material cutting and sealing effect during oil filling, avoids filling volume errors caused by leakage, and ensures the stable operation of the precise quantitative control function of the weighing filling machine.
Owner:LANZHOU LIBIN GREASE CO LTD
Power supply adjustment device with multi-section load line, motherboard and power supply adjustment method
A power supply adjustment method, applicable to a processor and a power supply controller, includes: obtaining the processor's operating current; obtaining target power supply parameters from a pre-stored multi-segment load line based on the operating current; and controlling the power supply controller to provide power to the processor based on the target power supply parameters. The pre-stored multi-segment load line indicates the relationship between multiple preset currents and multiple preset power supply parameters, and includes multiple line segments corresponding to different current ranges and having different slopes. A power supply adjustment device with a multi-segment load line, applicable to a processor and a power supply controller, includes a reading line and a control circuit. A motherboard with a multi-segment load line includes a power supply controller and a processor.
Owner:GIGA BYTE TECH CO LTD
Electronic sentry and its regional defense system
PendingCN122283699AAchieve full coverageImplement detection and protectionMobile vehicleTelecommunications link
An electronic sentinel and its regional joint defense system include a main detection unit, a main control module, and at least one electronic sentinel unit. The main detection unit includes a detection unit and a communication module. The electronic sentinel unit includes a mobile pack, an optical scanning head, a communication module, a main control board, a transmitting unit, a positioning module, and an automatic omnidirectional deflection unit. The electronic sentinel unit can be mounted on a mechanical vehicle or carried by personnel via the mobile pack. A communication link enables information sharing between the units. The automatic omnidirectional deflection unit compensates for attitude changes caused by the movement of the mobile vehicle, ensuring the stability of the optical scanning head. Through the coordinated operation of the main detection unit and the electronic sentinel unit, the system achieves full coverage of detection ranges, filling security gaps in building gaps. The use of mobile electronic sentinel units allows for flexible deployment of the detection range, adapting to various complex terrain environments and improving the overall effectiveness of regional security.
Owner:南京瑞思光电技术有限公司 +2
A sampling method of a high-pressure fuel hydrogen online sampling system
ActiveCN116380568BComply with safetyComply with stability
The application discloses a sampling method of a high-pressure fuel hydrogen online sampling system. Fuel hydrogen flows into a sampling pipe, and then is subjected to stepwise pressure reduction, stable pressure and temperature control, and sampling. Another part of the fuel hydrogen is discharged through a pipeline connected with exhaust. The stepwise pressure reduction of the fuel hydrogen includes first fuel hydrogen pressure reduction, first fuel hydrogen pressure stabilization and temperature control, second fuel hydrogen pressure reduction, and second fuel hydrogen pressure stabilization and temperature reduction. The cooling water after the second fuel hydrogen temperature reduction is used for the first fuel hydrogen temperature control. The online sampling system can be applied to fuel hydrogen with a temperature in the range of 25 DEG C to 50 DEG C, and the temperature of the sample hydrogen gas at the sampling port is controlled in the range of 20 DEG C to 36 DEG C after the fuel hydrogen in the system is cooled.
Owner:SHANGHAI REAFLOW FLUID SYST
High-toughness steel plate for liquid hydrogen storage and transportation and preparation method of high-toughness steel plate
ActiveCN121951380AAchieve quantitative controllable correlationClarify the basis of alloying designNon-pressured vesselsLiquid hydrogenMartensite
The invention belongs to the technical field of steel and iron materials and preparation thereof, and discloses a high-toughness steel plate for liquid hydrogen storage and transportation and a preparation method thereof. And the mass percentage of each chemical component is controlled and a film-shaped inverted austenite formation tendency index is met. A tempered martensite and film-shaped inverted austenite dual-phase structure is obtained through reasonable component proportion and cooperative control over high-cleanliness smelting, continuous casting, rolling and heat treatment, the volume fraction of the film-shaped inverted austenite is 8%-20%, and the volume fraction of blocky or island-shaped inverted austenite is not larger than 3%. The steel plate has the room-temperature yield strength larger than or equal to 600 MPa, the tensile strength larger than or equal to 750 MPa and the impact energy larger than or equal to 70 J at the temperature of-253 DEG C within the thickness range of 6-50 mm, the structure and performance in the thickness direction are uniform, high strength, ultralow-temperature high toughness and excellent hydrogen damage resistance are achieved, and the steel plate is suitable for liquid hydrogen storage tanks and related low-temperature pressure containers.
Owner:NORTHEASTERN UNIV CHINA +2
Water leakage protection device for water purifier
The utility model discloses a water leakage protection device of water purifier relates to water purifier water leakage protection device technical field, including fixed ring and quick water leakage prevention subassembly, the inner wall fixed connection of fixed ring has quick water leakage prevention subassembly, quick water leakage prevention subassembly includes the protection column fixed connection in the inner wall of fixed ring, the inner wall fixed connection of protection column has the connecting column, the inner bottom wall fixed connection of connecting column has the hydraulic box, the inside fixed connection of hydraulic box has hydraulic stem body, the top of connecting column is connected with the anti -leakage pipe of passing through, the utility model discloses the setting of quick water leakage prevention subassembly, when detecting the water leakage condition, hydraulic stem body drives the sliding column to rise in the anti -leakage pipe rapidly when personnel operating device uses, realizes the quick plugging of anti -leakage pipe, timely blocks the water flow, reduces the loss that water leakage brought, and transmission pipe and connecting pipe guarantee the unobstructed of waterway under normal circumstances.
Owner:SHENZHEN CHENGDELAI IND CO LTD
Insulation structure of rail transit safety door
ActiveCN224131045UStable support baseavoid displacementRailway componentsRailway stationArchitectural engineeringStructural engineering
The utility model relates to the technical field of insulation of rail transit safety doors, and discloses an insulation structure of a rail transit safety door, which comprises an insulation floor, the insulation floor is fixedly mounted on the top surface of a ground cement leveling layer, and an insulation rubber pad is laid on the top of the insulation floor. After the limiting clamping groove in the rotating limiting block is clamped with the clamping block through rotation of the connecting rod, a stable supporting foundation is provided for the insulation structure of the whole rail transit safety door, so that the insulation performance is stably exerted, the insulation failure risk caused by connection looseness is reduced, the safety of passengers and equipment is guaranteed, and the service life of the whole rail transit safety door is prolonged. Through the structural design that the inserting blocks are arranged on the two sides of the rubber filling plate to be matched with the rubber filling plate, the rubber filling plate is very convenient to mount and dismount, after a limiting clamping groove in a rotating limiting block is separated from a clamping block through rotation of a connecting rod, an insulating rubber pad can be conveniently replaced, the maintenance efficiency is greatly improved, and the maintenance cost is reduced.
Owner:TIANJIN RUNHE INTELLIGENT TECH CO LTD
A method and system for optimizing the configuration of a space target monitoring constellation considering complex constraints
ActiveCN121809292BIncrease the probability of true discoveryimprove integrityDesign optimisation/simulationConstraint-based CADGlobal optimizationControl theory
This invention discloses a method and system for optimizing the configuration of a space target monitoring constellation considering complex constraints, belonging to the field of aerospace mission design and optimization technology. The method first constructs a discrete orbital mode library containing conditions satisfying the regressive orbital dynamic resonance condition; based on this library, it constructs a generalized hybrid design variable consisting of integer indices and real-number fine-tuning quantities; it establishes an optimization model with space volume coverage, maximum revisit time, and system construction cost as objectives, and illumination, dynamics, and maneuverability as constraints; it uses rapid orbital geometry analysis to coarsely screen invalid links; and finally, it uses an improved non-dominated sorting genetic algorithm for global optimization to obtain the Pareto optimal constellation configuration set. This invention achieves accurate evaluation of the coverage effectiveness of three-dimensional space targets, ensures the physical feasibility and long-term stability of the configuration scheme, and efficiently solves high-dimensional multi-objective optimization problems.
Owner:AOTIAN XUNYU (WUXI) AEROSPACE IND CO LTD
A method and system for evaluating the suitability of a water intake well for recharge based on multi-dimensional detection and a comprehensive index model
PendingCN122155381Astable performanceBe compatibleData processing applicationsMeasurement devicesWater qualityAnalysis water
The present application relates to the technical field of water resources management, in particular to a kind of water well recharge suitability assessment method and system based on multidimensional detection and comprehensive index model, comprising the following steps: screening geological data to construct initial screening qualified water well set, scanning well shaft to identify damage and corrosion to obtain structural integrity data, carrying out ladder pressure test to analyze aquifer receiving capacity, analyzing water chemistry and suspended solids to assess plugging risk, combining environmental sensitivity to calculate weighted sum, dividing recommended category and establishing recharge suitability assessment list.In the present application, deep damage and corrosion conditions are identified by scanning water well wall and filter pipe throughout the section, deformation parts are accurately positioned to quantify structural integrity, water level response is monitored by using ladder pressure recharge test, aquifer permeability is calculated by inversion and real unit recharge is obtained, to ensure that screened well site has pressure-bearing structure stability and water quality chemical compatibility, effectively prolongs the service life of recharge project and protects groundwater ecological safety.
Owner:HEBEI WATER CONSERVANCY RES INST
A body jockeying control positioning welding device
PendingCN122425420AAssembly requirements are stableStable performance
The application provides a vehicle body steering control positioning and welding device, which comprises a right positioning frame and a left positioning frame. The right positioning frame comprises a first pad plate, a connecting pipe, a bolt, a pin and a nut. The left positioning frame comprises a second pad plate, a connecting frame and a bolt. The device connects the right small support and the left large support together, guarantees the mutual position tolerance requirements of the right small support and the left large support, and can achieve the relevant position requirements of the right small support and the left large support through accurate positioning and fastening of the right small support and the left large support, so as to ensure the positioning precision and realize the assembly requirements of the special vehicle body steering control device and the stable play of the vehicle control function.
Owner:BEIJING NORTH VEHICLE GROUP CORP
Multi-station rotary type shoe upper sewing automatic workstation
ActiveCN224186412UBe efficientBe flexibleLeather sewingWork-feeding meansGear wheelControl engineering
The utility model discloses a multi-station rotary type automatic work station for sewing uppers. The multi-station rotary type automatic work station comprises a base, a rotary disc, a station module, a sewing machine head, a driving mechanism, a positioning mechanism, a buffering mechanism and a supporting frame. The rotating disc is connected with the base through the center shaft, the station modules are evenly distributed on the edge of the rotating disc, each station module is provided with a clamping device, and the sewing machine head is located on one side of the rotating disc and aligned with the station modules. The driving mechanism realizes rotation of the rotating disc through a motor and a transmission gear, the positioning mechanism ensures accurate positioning, the buffer mechanism reduces vibration, and the support frame stabilizes the sewing machine head. According to the utility model, the upper sewing efficiency can be obviously improved, the manual intervention is reduced, and the problems of single station and low efficiency in the prior art are solved.
Owner:HENGYANG GUANLI PLASTIC CO LTD
CH@SHP099-nanoparticle composite hydrogel, and preparation method and application thereof
This invention discloses a CH@SHP099-NPs composite hydrogel, its preparation method, and its applications, belonging to the field of biomedical technology. Addressing the technical challenge of achieving long-term, safe, and precise metabolic intervention with SHP2, this invention constructs a hydrogel system composed of chondroitin sulfate and hyaluronic acid. This system can retain SHP099-loaded nanoparticles within the joint cavity, forming a long-acting intrasynovial drug library, thereby continuously inhibiting the SHP2-AMPK signaling axis. The CH@SHP099-NPs composite hydrogel prepared in this invention can effectively reprogram the metabolic state of macrophages, reduce glycolysis flux, restore synovial immune metabolic homeostasis, and significantly improve synovial inflammation, chondrocyte activity, and cartilage structural integrity in vivo. This invention proposes a mechanism-guided local delivery metabolic intervention strategy, which is expected to provide a new interventional approach for the treatment of osteoarthritis.
Owner:THE FIRST AFFILIATED HOSPITAL OF HENAN UNIV
UAV arm mounting structure
This utility model relates to an arm mounting structure for unmanned aerial vehicles (UAVs), including a mounting bracket with an auxiliary mounting mechanism on the outside and an angle marking mechanism at the bottom. By providing the auxiliary mounting mechanism, this utility model effectively improves the fastening stability during the installation of the UAV arm and its safety and reliability during use. The nut, limiting washer, locking plate, marking rod, and baffle in the auxiliary mounting mechanism work together to achieve rapid fixing during tightening. Furthermore, the marking mechanism between the marking rod and the display ring enables intuitive identification of displacement. When the position shifts due to loose nuts or changes in force on the UAV arm, the mark left by the marking rod on the display ring provides a real-time warning, facilitating timely maintenance and resetting by the user, effectively avoiding flight abnormalities or even safety risks caused by loosening.
Owner:ZHEJIANG JIACHUANG AEROSPACE POWER TECHNOLOGY CO LTD
Battery cover pressing device
ActiveCN224217469UGuaranteed accuracystable performanceFinal product manufacturePrimary cellsElectrical batteryProcess engineering
Owner:OUT ENERGY (JIANGMEN) CO LTD