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Ladle filler sand removing and recycling method and device
The invention relates to the technical field of ferrous metallurgy casting, in particular to a drainage sand removing and recycling method and device. Comprising a mechanical arm, a lifting rotation controller, a controller arm, a sand suction cylinder, a sand conveying pipeline, a sand collecting tank and an injection pump. The lifting and rotating controller is fixedly mounted on the mechanical arm; the controller arm is connected with the lifting and rotating controller, and the lifting and rotating of the controller arm are controlled by the lifting and rotating controller; the sand suction cylinder is connected with the controller arm, the sand suction cylinder is of a U-shaped structure, and one end of the sand suction cylinder is a horn mouth used for sucking drainage sand; one end of the sand conveying pipeline is positioned above the tundish cover sprue gate, and the end part of the sand conveying pipeline is bent downwards to be connected with the other end of the sand suction cylinder; the other end of the sand conveying pipeline is connected with the sand collecting tank; the sand collecting tank is connected with an injection pump pipeline, and the injection pump provides suction power. The ladle filler sand, harmful gas in gaps of the ladle filler sand and a long nozzle and a small part of molten steel in contact with the ladle filler sand in a steel ladle can be discharged out of tundish molten steel and recycled.
Owner:ANGANG STEEL CO LTD
An intelligent power distribution cabinet with fault detection function and a detection method
ActiveCN121367325Baccurate analysisImprove fault detection efficiencyEnsemble learningCircuit arrangementsAnalytic modelEdge computing
The present application relates to the technical field of smart grid, especially to a kind of intelligent power distribution cabinet with fault detection function and detection method.The present application can accurately obtain state data and analyze state data by obtaining unit and data analysis unit;Multiple AI analysis models in edge computing unit can accurately analyze equipment state results, and can improve the efficiency of power distribution cabinet fault detection;Through the decision unit, multiple equipment state results are fused using the preset rules to obtain accurate fault information, and the execution module in the control unit is driven based on the accurate fault information to act;Finally, the analysis unit determines the fault detection state based on the fault suppression success rate within the preset period, and adjusts the corresponding parameters based on the fault detection state, so as to more accurately analyze the fault.The present application improves the fault detection efficiency of power distribution cabinet.
Owner:SHANXI TONGXINDA ELECTRICAL ENG CO LTD
Sulfur-free FR-4 copper-clad plate and preparation method thereof
PendingCN121949976AEfficient exclusionImprove heat resistanceCircuit susbtrate materialsFirming agentGlass transition
The invention discloses a sulfur-free FR-4 copper-clad plate and a preparation method thereof, and belongs to the technical field of copper-clad plates. The copper-clad plate is prepared from sulfur-free epoxy resin, a sulfur-free curing agent, a sulfur-free flame retardant, organic silicon hybrid macromolecules, tetrafunctional epoxy resin, linear phenolic resin, microencapsulated ammonium polyphosphate, melamine cyanurate, surface grafting modified boehmite nanorods and filler. Through the design of a sulfur-free system, the sulfur content of the product is lower than 50 ppm, and the problems of contact resistance increase, unstable signal transmission and the like caused by sulfide migration of a traditional FR-4 copper-clad plate in a high-temperature and high-humidity environment are thoroughly solved. Meanwhile, the organic silicon hybrid macromolecules and the high-functionality epoxy resin have a synergistic effect, so that the balance of high glass transition temperature and high toughness is realized. The copper-clad plate has excellent dielectric property, flame retardant property and long-term reliability, and meets the development requirements of high reliability and high performance of electronic products.
Owner:JUNXUAN NEW MATERIALS (HANGZHOU) CO LTD
Steel plate defect detection method and system based on machine vision
PendingCN121856169AGuaranteed uptimeSmooth signal transmissionOptically investigating flaws/contaminationMachine visionControl cell
The invention provides a steel plate defect detection method and system based on machine vision, and relates to the technical field of steel plate defect detection.The method comprises the steps that upper and lower surface sensors, an electrical cabinet, a detection server and a camera computer are deployed on a production line, and power supply connection is conducted through the electrical cabinet; irradiating the steel plate by using an LED light source, and triggering a line scanning camera by an encoder to acquire upper and lower surface and edge images; processing and filtering pseudo defects through a camera computer, identifying real defects and extracting images, and determining defect types, positions and severity by combining a multi-level classifier and an expert database; after related data are stored, quality files such as coiled material reports are automatically generated, sound-light alarm is triggered when the defect severity threshold value is exceeded, the field control unit is linked to execute feedback operation or output I / O signals, online detection, classification, storage, report generation and threshold-exceeding alarm linkage of steel plate defects can be achieved, and the detection efficiency and the quality control level are improved.
Owner:TIANJIN GONGYAN TECHNOLOGY DEVELOPMENT CO LTD
A data management method and system for laser galvanometer testing
ActiveCN121167240BComprehensive reflection of mutual influencereflect mutual influence
The application relates to the field of industrial automation and discloses a data management method and system for laser galvanometer testing, the method comprising: acquiring multi-source error data such as temperature and vibration and performing standardization processing; clustering the data to identify a representative error mode; obtaining an association path of error causes through association rule mining; further extracting deep features to determine the priority of error sources; combining dynamic environment variables to perform simulation verification, generating an error cause model, and formulating an optimization decision rule set based on the model; and finally applying the rule set to adjust system control parameters. The application can realize effective fusion of multi-source heterogeneous error data and accurate tracing of error causes, thereby improving the positioning accuracy and operation stability of a laser galvanometer system.
Owner:SHENZHEN ZHIDING AUTOMATION TECH CO LTD
Preparation method of graphene copper-based composite material
PendingCN121973535AImprove mechanical propertiesImprove electricityLamination ancillary operationsLaminationCopper foilGraphite
The invention discloses a preparation method of a graphene copper-based composite material, and belongs to the technical field of copper-based composite materials. The method comprises the following steps: (1) carrying out surface pretreatment on a copper foil; (2) dropwise adding the graphene dispersion liquid on the surface of the copper foil, and drying the copper foil after the graphene dispersion liquid is freely diffused until the graphene dispersion liquid covers the surface of the copper foil; (3) stacking the copper foils in a manner that a graphene layer is arranged between two layers of copper foils, and then sequentially carrying out cold pressing and hot pressing to obtain a hot-pressed composite material; (4) annealing the hot-pressed composite material to obtain an annealed composite material; (5) carrying out cold rolling on the annealed composite material to obtain a rolled composite material; and (6) the rolled composite material is subjected to annealing treatment, and the graphene copper-based composite material is obtained. On the basis of simplifying the preparation process and reducing the preparation demand conditions, the graphene is promoted to effectively and fully exert the strengthening effect, and the comprehensive performance of the composite material in multiple aspects is improved.
Owner:KUNMING UNIV OF SCI & TECH +1
Water-permeable road construction method
The application belongs to the technical field of road engineering construction, and discloses a water-permeable road construction method, which comprises the following steps: S1, calculating the road bearing capacity, the water-permeable rate, and the aperture and opening interval of the water-permeable hole; S2, laying a road base and compacting it; S3, laying a water-permeable hole mold on the road base according to the opening interval; S4, pouring concrete to form a concrete roadbed and performing roughening treatment on the surface of the concrete roadbed; S5, preparing water-permeable concrete according to the water-permeable rate, pouring and filling the water-permeable concrete into each water-permeable hole on the concrete roadbed, and forming a water-permeable concrete layer on the concrete roadbed; and S6, laying a water-permeable asphalt layer. The construction method increases the water-permeable hole in the ordinary concrete roadbed, pours water-permeable concrete, combines the ordinary concrete roadbed with the water-permeable concrete, improves the water-permeable physical properties of the roadbed and increases the structural strength, thereby increasing the bearing capacity and water-permeable rate of the road.
Owner:中建五局第三建设有限公司
Tile identification method and device, electronic equipment and readable storage medium
ActiveCN115661787BImprove recognition accuracyAchieve precise screeningBiological modelsScene recognitionAlgorithmConfidence metric
The application relates to a card identification method and device, electronic equipment and a readable storage medium. The method comprises the following steps: acquiring an original picture sequence; grouping the original picture sequence to generate at least one picture subsequence; wherein the pictures of each picture subsequence contain a same suspected card; inputting the at least one picture subsequence into a preset data model for classification prediction; calculating a confidence degree according to the classification prediction result; and retaining the picture subsequence with the confidence degree greater than a preset retention threshold as a target card. The scheme provided by the application can group the pictures in the original picture sequence to generate at least one picture subsequence, use the preset data model to perform classification prediction on the at least one picture subsequence, calculate the confidence degree according to the classification prediction result, retain the corresponding picture subsequence according to the confidence degree greater than the preset retention threshold, accurately screen the suspected card, and improve the identification accuracy of the card.
Owner:ZHIDAO NETWORK TECH (BEIJING) CO LTD
Complex special-shaped section launching barrel forming process
The invention provides a forming process of a complex special-shaped section launching barrel. The forming process comprises the following steps of production preparation, forming of a functional layer and an inner pipe body, filling of a guide sliding groove and forming of an outer pipe body, overall curing and pre-pipe-hoop forming and aftertreatment. According to the invention, a sharp and complex geometrical shape is converted into a curved surface in smooth transition through the pretreatment procedure of filling wires into the guide chute, so that a perfect base is provided for the subsequent laying of a structural layer, and the hidden danger of overhead is fundamentally eliminated; a vacuum bag technology is combined with hand lay-up forming, and a silicone rubber block is used in a key area for local sealing and flow guiding. According to the combined process, uniform compaction pressure can be applied within the range of the whole structure, interlayer bubbles and redundant resin are efficiently removed, a product with high compactness and low porosity is obtained, and the reliability of consistency of mechanical properties of the product is greatly improved.
Owner:ANHUI YINGLIU HAIYUAN COMPOSITE MATERIALS TECH CO LTD
Smoking behavior identification method based on multi-source perception and particle size fingerprint analysis
PendingCN121838910AEfficient exclusionInterference effectively distinguishesData processing applicationsMolecular entity identificationData streamAlgorithm
The invention discloses a smoking behavior recognition method based on multi-source perception and particle size fingerprint analysis, which comprises the following steps: arranging a particulate matter sensor module, continuously collecting a multi-channel particle size spectrum in a target space in a non-optical mode, and generating a high-resolution particle size distribution sequence according to time; an infrared sensor module is arranged to monitor entering and leaving states of personnel in real time; the short-term change of the concentration distribution of the particulate matters with different particle sizes is calculated through a parameterization formula, and the accurate judgment of the smoking event is realized in combination with the personnel state and the PM2.5 speed increase in the same period. According to the invention, the infrared sensing data stream and the particulate matter concentration data stream are deeply analyzed, and the on-site state of personnel and the specific fluctuation mode of cigarette smoke are accurately identified; through cross cooperation verification of multi-dimensional features, interference of water vapor, mosquito-repellent incense and non-artificial smoke sources can be effectively eliminated, and unification of high detection precision and low false alarm rate is achieved. According to the method, imaging equipment is completely abandoned, and the risk of privacy disclosure is avoided from the source.
Owner:NANJING MEDICAL UNIV
A crack detection sensor
A crack detection sensor utilizes ultrasonic waves to detect cracks in a test object. It includes a main unit, a transducer, and a coupling layer. The transducer is communicatively connected to the main unit, and the coupling layer abuts against the detection face of the transducer and is used to remove gas from the detection face. This invention, by setting a coupling layer between the transducer detection face and the test object, effectively removes gas between them, ensuring efficient transmission of the ultrasonic signal and thus improving the sensitivity and accuracy of ultrasonic detection.
Owner:FUZHOU DAYU ELECTRONIC TECH CO LTD
Waterproof diversion blind ditch structure of diaphragm wall joint
ActiveCN224412634UImprove waterproof performanceGuaranteed reliabilityArchitectural engineeringStructural engineering
The utility model relates to a waterproof flow guide blind ditch structure at the connecting place of diaphragm wall, it includes flow guide blind ditch main part, flow guide blind ditch main part sets up at the connecting place of diaphragm wall, is used for guiding the ground water flow, prevents the ground water and accumulates at the connecting place, the utility model discloses a flow guide blind ditch is established, effectively guides the ground water flow, prevents the ground water and accumulates at the connecting place, reduces the seepage risk, improves the overall waterproof performance of diaphragm wall, guarantees the engineering quality. The application still has the advantages such as convenient construction, low cost, can satisfy the efficient and economic demand of modern underground engineering construction.
Owner:SHANGHAI BAOYE GRP CORP +1
Method for detecting persistent organic pollutant tetra-chloro-naphthalene in eel product
This invention provides a method for detecting tetrachloronaphthalene, a persistent organic pollutant in eel products. The specific steps include: eel sample preparation, target analyte extraction and matrix purification, followed by analysis using ultra-high performance liquid chromatography-atmospheric pressure chemical ionization tandem mass spectrometry (UPLC-APCI-MS / MS). The measured peak area, fractionation ratio, and other relevant parameters are substituted into a specific formula to calculate the measured value of tetrachloronaphthalene in the test solution. This method fills the gap in my country's technology for detecting tetrachloronaphthalene-like persistent organic pollutants in eel products. It effectively eliminates interference from the complex matrix of eel products, accurately determines four tetrachloronaphthalene isomers in trace amounts, and possesses significant advantages such as high sensitivity, strong anti-interference ability, simple operation, and high detection accuracy.
Owner:INTEGRATED TECH SERVICE CENT SANMING ENTRY EXIT INSPECTION & QUARANTINE BUREAU
Solid-liquid separation device of filter residue system
ActiveCN224296670Uavoid occupyingreduce occupancyPressesMoving filtering element filtersPropellerControl theory
The utility model provides a kind of solid-liquid separation device of filter residue system, including rack, rotary filter drum and spiral extruder, the rotary filter drum is installed in the inside of the rack, the spiral extruder is installed in the bottom of the rack, the inner wall of the rotary filter drum is equipped with spiral propeller blade, the propelling direction of the spiral propeller blade is opposite with the propelling direction of the spiral extruder, the discharge port of the rotary filter drum is located above the feed inlet of the spiral extruder, the feed inlet of the rotary filter drum is located above the tail end of the spiral extruder.The device makes rotary filter drum and spiral extruder as the hierarchical structure of upper and lower two layers install on rack, avoid because two vertical intersection setup and occupy too much three-dimensional space, while having rotary filter drum primary screening function and the depth solid-liquid separation structure of spiral extruder, still can reduce the overall space occupation of the device.
Owner:郑州世峰节能科技有限公司
Aluminum foil cigarette pack attaching control system and method based on machine vision
PendingCN121962085AAccurate fitImprove computing efficiencyImage analysisLabelling machinesMachine visionMirror reflection
The invention provides an aluminum foil cigarette pack laminating control system and method based on machine vision. The method comprises the following steps: intercepting a target image from an aluminum foil cigarette pack image to be laminated; gray feature matching is carried out on the target image based on a plurality of pre-constructed class mean gray templates, and a candidate position set of the aluminum foil cigarette pack deformation area is obtained; performing edge feature fine positioning in the neighborhood of each candidate position in the candidate position set to obtain the feature goodness of fit corresponding to each candidate position, and determining the pose deviation of the precise candidate position in the candidate position set according to all the feature goodness of fit; and converting the pose deviation into a motion compensation instruction of a fitting execution mechanism, and driving the fitting execution mechanism to finish accurate fitting of the aluminum foil cigarette pack based on the motion compensation instruction. By adopting the scheme of the invention, visual positioning dynamic compensation fitting based on small sample self-learning and multi-feature fusion can be carried out on the aluminum foil workpiece with a non-rigid deformation field and complex mirror reflection interference.
Owner:GUANGDONG ESQUEL CIGARETTE PRINTING CO LTD
A method for recovering lithium from waste medical lithium carbonate
PendingCN122646879Aachieve specific adsorptionEfficient exclusionSpecific adsorptionLithium carbonate
The application discloses a method for recovering lithium from waste medical lithium carbonate, and belongs to the technical field of waste medical lithium carbonate recovery. The method comprises the steps of pretreatment, leaching, pre-impurity removal, specific adsorption, lithium precipitation and desorption. + A stable coordination bond is formed, and the introduced sulfonic acid group strongly repels impurity ions through Coulomb repulsion; finally, battery-grade lithium carbonate is obtained through reverse desorption, lithium precipitation, washing and drying. The method for recovering lithium from waste medical lithium carbonate provided by the application has high selectivity and strong anti-interference ability, is suitable for the characteristics of complex impurities in medical lithium carbonate, and has high industrial feasibility.
Owner:PINGXIANG TUOYUAN IND CO LTD +2
Production process for blue glass
InactiveCN121850363Ahigh optical purityImprove mechanical propertiesGlass furnace apparatusGlass productionMixed materialsReducing atmosphere
The invention discloses a production process for blue glass, and relates to the technical field of blue glass production. The process comprises the following steps: S1, raw material pretreatment: respectively grinding and drying a basic glass raw material, a coloring agent and a functional additive, and then mixing in sequence; s2, melting the mixture in a primary melting furnace in a reducing atmosphere, and adding a reducing agent; s3, transferring the primarily molten glass liquid into a main furnace, and stirring and clarifying in a nitrogen-oxygen mixed protective gas environment; s4, cooling the clarified glass liquid, and continuously stirring and homogenizing; according to the preparation method, the basic raw materials, the coloring agent and the functional additive are accurately proportioned, and control steps of staged mixing, reducing atmosphere melting, multi-stage clarification and homogenization, float forming and the like are combined, so that synergistic improvement of high optical purity and excellent mechanical performance is realized. In the process, the purity, the granularity, the charging sequence and the thermal regulation of the raw materials are strictly controlled, so that the component uniformity and the product consistency are guaranteed.
Owner:ANHUI JINGCHUANG ELECTRONIC TECHNOLOGY CO LTD
Cooking equipment
ActiveCN224268949UOptimize layoutImprove drainage efficiencySteam cooking vesselsRoasters/grillsWater storage tankProcess engineering
The utility model discloses a cooking device, which comprises a cooking cavity and a recovery device; the recovery device is detachably connected to the outer side surface of the cooking cavity; a groove is arranged at the bottom of the cooking cavity; the shape of the groove matches the shape of a heating plate; the heating plate is clamped with the bottom of the cooking cavity through the groove; an opening is arranged at the bottom of the heating plate; the recovery device comprises a water conveying device, a water storage tank and a recovery box; the water conveying device and the water storage tank are arranged side by side; the recovery box is arranged close to the bottom of the water storage tank; a first conveying port is arranged on one side of the water conveying device; a first pipeline is arranged between the first conveying port and the opening; one end of the first pipeline is fixedly connected to the opening, and the other end of the first pipeline is detachably connected to the first conveying port; a water inlet and a water outlet are arranged on the other side of the water conveying device; the water inlet of the water conveying device is connected to the water storage tank; the water outlet of the water conveying device is connected to the recovery box. The utility model improves the internal environment of the cooking cavity.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD
A high-resolution satellite image urban area shadow-removed ARD production method and device
The application discloses a high-resolution satellite image urban area shadow-removed ARD production method and device, and belongs to the technical field of remote sensing image processing. The method comprises the following steps: firstly, screening out images covering urban areas; performing radiation calibration on high-resolution satellite images covering urban areas to obtain apparent radiance images; based on the apparent radiance images, performing preliminary shadow detection by using a pre-trained deep learning model; using a near-infrared band of an atmospheric-corrected ground reflectivity image, performing false detection elimination on the preliminary detection result by adaptive threshold segmentation to obtain a final shadow mask; performing histogram matching processing on the shadow area based on the shadow mask on the atmospheric-corrected ground reflectivity image to realize shadow removal; and finally, outputting the shadow-removed ARD product. The application significantly improves the shadow detection precision and the quantitative reliability of the ARD product, and is suitable for large-scale ARD production of high-resolution satellite images in urban areas.
Owner:AEROSPACE INFORMATION RES INST CAS
A harbor channel revetment structure
The utility model discloses a port fairway slope protection structure, including the slope protection main part for installing the concrete frame, be equipped with a plurality of ecological bags in the concrete frame, the both sides of concrete frame top are fixed with a plurality of installation buckles through expansion screw, and the opposite two installation buckles between weld have the limit steel wire, and the limit steel wire is contacted with the bottom of ecological bag, be fixedly connected with the connecting buckle on the installation buckle, and the protection grating is clamped to have between a plurality of connecting buckles, and the protection grating is located ecological bag top, the top of concrete frame is equipped with the drainage groove, the bottom of slope protection main part is embedded and is connected with a plurality of gravel cages. The utility model discloses through expansion screw and installs the installation buckle fixedly in the top of concrete frame, and make every limit steel wire be located in the bottom of every column ecological bag, thereby to ecological bag carry out the limit support, and then prevent ecological bag from sliding, improve the slope protection effect.
Owner:TIANJIN RES INST FOR WATER TRANSPORT ENG M O T
Regenerated inorganic material road with high water filtering and absorbing capacity
ActiveCN224186547UGood water absorption capacityEfficient exclusionIn situ pavingsSolid waste managementRoad engineeringWater filter
The utility model discloses a regenerated inorganic material road with strong water filtering and absorbing capabilities, and relates to the technical field of road engineering. The recycled inorganic material road with the high water filtering and absorbing capacity comprises an inorganic aggregate base layer in the middle and drainage ditches on the two sides, side plates and a shaping template are arranged at the top of the inorganic aggregate base layer, the side plates are located on the two sides of the shaping template, and the shaping template comprises a bottom plate; the bottom plate is connected with a main baffle located in the middle and auxiliary baffles located on the two sides of the main baffle, the heights of the auxiliary baffles are gradually reduced along with the distance from the main baffle, the side plates are provided with drainage holes aligned with the auxiliary baffles on the outermost side, and a concrete stabilizing layer is poured in the shaping formwork. And a regenerated inorganic mixture layer is poured at the top of the concrete stabilizing layer. The regenerated inorganic material road with strong water filtering and absorbing capabilities has the beneficial effects of good water absorbing and draining effects, no influence on road strength and suitability for use in cold regions.
Owner:SICHUAN RUIYUN CONSTR ENG CO LTD
A kind of all-weather fast recovery high viscosity crude oil fiber felt, preparation method and application thereof
PendingCN122252156Afast absorptionEfficient exclusionOther chemical processesSeawater treatmentFiberPolypyrrole
The application discloses a kind of fibrous felt that can be all-weather fast recovery high viscosity crude oil, preparation method and its application.The fibrous felt includes the fibrous substrate formed by profiled cross-section fiber, and the binder layer, functional layer and hydrophobic coating sequentially loaded on its surface;Functional layer is used to generate Joule heat when energized and generate photo-thermal effect under light;The water contact angle of fibrous felt is greater than 140°.The application also provides its preparation method and application.The application integrates photo-thermal and Joule heat effect in the same felt, realizes all-weather operation ability;Use C-shaped or Y-shaped profiled cross-section fiber, accelerate the penetration and absorption of high viscosity crude oil;Through the synergistic effect of polypyrrole layer and MXene layer, the resistance is significantly reduced and the oil absorption time is shortened.The fibrous felt of the application has simple preparation process, and is suitable for all-weather oil spill recovery in complex environment such as ocean oil spill.
Owner:Hangzhou Gongshu District University of Technology Future Technology Research Institute
Movable vibrating trowelling system for trestle
A movable vibration and smoothing system for trestle bridge relates to the technical field of concrete vibration and smoothing, and comprises a walking trolley, a lifting device and a roller shaft type vibration and smoothing device. The walking trolley is installed on the top rail of a tunnel construction trolley, and the height of the roller shaft type vibration and smoothing device is adjusted through the integrated lifting device. The vibration and smoothing device comprises a distributing spiral shaft, a paving roller shaft, a smoothing walking roller shaft and an insert type vibrator, forming a multi-stage cooperative working mechanism. The three cooperative actions of the distributing spiral shaft, the paving roller shaft and the smoothing walking roller shaft improve the uniformity, compactness and surface flatness of concrete paving. The insert type vibrator is arranged between the distributing spiral shaft and the paving roller shaft, can immediately carry out deep layer high frequency vibration after preliminary paving of concrete, effectively removes internal bubbles and prevents quality defects. The auxiliary walking wheel ensures the consistency of the concrete surface flatness and the design elevation.
Owner:LUOYANG ZHONGTIE STRONG MACHINERY
Industrial mobile machine with troubleshooting function
ActiveCN224184382Uaffect stabilityGuaranteed cleanlinessDeflectorsRoad cleaningSuction forceControl engineering
The utility model belongs to the technical field of industrial mobile machines, and particularly relates to an industrial mobile machine with a troubleshooting function, which comprises an AGV (Automatic Guided Vehicle) body, and the surface of one side of the AGV body is connected with a mounting block. Through mutual cooperation of the mounting block, the flow guide push plate, the cleaning brush, the air suction pipe, the conveying pipe and the dust collection fan, when the AGV trolley body is used, the flow guide push plate can guide large granular obstacles on a driving path to the two sides of the AGV trolley, and the cleaning brush can clean small granular obstacles on the driving path, so that the AGV trolley is convenient to use. In the cleaning process, the dust suction fan is started, the dust suction fan enables the air suction port in the air suction pipe to generate suction force through the conveying pipe, and therefore small granular obstacles splashed when the cleaning brush cleans the small granular obstacles can be adsorbed away, the granular obstacles on the driving path can be effectively removed through the operation, the cleanliness of the driving path is guaranteed, and the cleaning efficiency is improved. And the granular obstacles are effectively prevented from influencing the running stability of the AGV body.
Owner:GUILIN PROSPECT TECH CO LTD
Power distribution network fault identification method and system based on adaptive visual view and multi-source fusion
PendingCN122365129Aimprove signal-to-noise ratioefficient screeningFeature vectorCharacteristic space
This invention discloses a method and system for distribution network fault identification based on adaptive visual graphs and multi-source fusion. The method includes the following steps: S1: Acquire multi-source electrical analog data of the distribution network and preprocess it to obtain preprocessed multi-source signals; S2: Dynamically weight and fuse the preprocessed multi-source signals using a correlation variance contribution algorithm to obtain a fused signal; S3: Map the fused signal into a graph structure using an adaptive convergent visual graph algorithm; S4: Input the graph structure into a pre-constructed graph neural network model to obtain a global graph feature vector; S5: Input the global graph feature vector into a fully connected layer and output the fault probability distribution through a Softmax classifier. This invention constructs a feature space that can objectively characterize the essential differences between normal operating conditions and fault states in terms of physical correlation and topological structure, thereby achieving accurate identification of known faults and effective identification and elimination of unknown benign disturbances.
Owner:STATE GRID HUNAN ELECTRIC POWER CO LTD ELECTRIC POWER SCI RES INST +2
A marketing activity data analysis management system and method based on a two-dimensional code
ActiveCN120257167BEfficient exclusionAccurate marketing dataCo-operative working arrangementsFeature extractionEngineering
The application discloses a marketing activity data analysis management system and method based on a two-dimensional code, relates to the technical field of data analysis, and comprises the following steps: establishing a behavior data management system to collect scanning data and user behavior data, and generating corresponding scanning records; performing multidimensional evaluation on any scanning record, and performing abnormality identification; analyzing the user behavior data of any scanning record, and extracting a user behavior set; selecting two scanning records with different abnormality identification results at random, performing abnormality feature extraction from the user behavior set, and analyzing the influence values of each difference feature; setting an abnormality evaluation threshold value for whether there is abnormality by constructing an abnormality evaluation model; collecting the scanning data and user behavior data of a user in real time, and generating real-time scanning records; and performing abnormality identification on the real-time scanning records based on the influence values of each difference feature in the real-time scanning records.
Owner:GUANGDONG ZHONGYUAN DIGITAL TECH CO LTD
Automatic bubble pressing device for boutique box
ActiveCN224197398UEffective constraints on motion trajectoriesprevent disengagementEnvelopes/bags making machineryBox making operationsElectric machineStructural engineering
Owner:DONGGUAN QINGNING IND CO LTD
Self-supporting graphene array and preparation method, application and device thereof
PendingCN121948368Aeffectively fixedimprove bindingMaterial nanotechnologyCarbon compoundsTarget arrayMembrane surface
The invention relates to the technical field of suspended graphene film materials, in particular to a self-supporting graphene array and a preparation method, application and device thereof. The invention provides a preparation method of a self-supporting graphene array, which comprises the following steps: S1, placing a graphene film with a growth substrate in an etching solution, and etching to remove the growth substrate to obtain a graphene film floating on the surface of the etching solution; s2, the graphene film floating on the surface of the etching liquid is transferred to a self-supporting ring, and then air pressure difference is generated on the two sides of the graphene film; a target array substrate is attached to the surface of the graphene film on the low-pressure side, and the self-supporting graphene array is obtained. According to the preparation method provided by the invention, the binding force between the graphene film and the target array substrate is effectively improved, so that the graphene film can be attached to the target array substrate, and the suspension rate is effectively improved.
Owner:SONGSHAN LAKE MATERIALS LAB
A distributed power storage device
ActiveCN121416670BScientific and reasonable structureeasy to useSecondary cellsCell component detailsElectrical batteryPower grid
The application discloses a kind of distributed power energy storage devices, it is related to secondary battery technical field, including box, several hollow supports are evenly installed equidistantly in the box, several partition seats are evenly installed equidistantly in the side end surface of hollow support, cabinet is slidably installed in the top of partition seat, limit valve is embedded and installed in the bottom of cabinet side end surface, the end of limit valve is installed with spout, sliding plate is slidably installed in the inside of partition seat, the heat emitted in the process of the present application is driving force, forcibly realizes internal and external interactive heat exchange and internal circulation heat exchange, can effectively remove the heat generated in the process of device operation in time, realize the recycling of energy conversion and utilization, while realizing the efficiency of the base, improve the synchronism and high efficiency of heat exchange work, while prolonging the effective service life of battery, improve the popularization of device, flexible meet the multiple needs of user side cost reduction, power grid side stability and energy side low carbon.
Owner:ZHEJIANG BONA ENERGY DEV CO LTD
A flame-retardant, heat-insulating, waterproof and moisture-permeable fabric
The utility model discloses a flame -retardant heat -insulation waterproof moisture -permeable fabric, including polytetrafluoroethylene moisture -permeable membrane, first flame -retardant fiber water -jet felt and second flame -retardant fiber water -jet felt, polytetrafluoroethylene moisture -permeable membrane with first flame -retardant fiber water -jet felt between, through first point shape flame -retardant adhesive and stick together, first flame -retardant fiber water -jet felt with second flame -retardant fiber water -jet felt between, through second point shape flame -retardant adhesive and stick together, wherein, second flame -retardant fiber water -jet felt has multiple pinholes of array, to increase the moisture -permeability of fabric. The utility model discloses a flame -retardant heat -insulation waterproof moisture -permeable fabric, polytetrafluoroethylene moisture -permeable membrane, first flame -retardant fiber water -jet felt and second flame -retardant fiber water -jet felt three layer materials and stick together, second flame -retardant fiber water -jet felt has multiple pinholes of array, and the whole fabric heat protection performance (TPP) is good, and the moisture -permeability is high, and has the function of moisture absorption and sweat -releasing.
Owner:BEIJING INTELLITE TECH CO LTD