Patents
Literature
63results about How to "Achieve full coverage" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Acquisition and arrangement condition optimization method based on key factor mining, medium and equipment
PendingCN121964020Aavoid time costReduce labor costsMedical data miningDigital data information retrievalTest designMultidimensional data
The invention relates to the technical field of test design, in particular to a key factor mining-based accommodating and arranging condition optimization method, medium and equipment, which are characterized in that accommodating and arranging conditions are generated by analyzing a target text, an initial simulation queue is constructed in combination with database retrieval, and baseline feature distribution is analyzed, so that representative research crowds can be obtained without real object recruitment; the test cost is reduced; a panoramic object feature matrix is constructed by integrating multi-dimensional data, the limitation of a single feature is broken through, and comprehensive data support is provided for key factor mining; the contribution degree of each characteristic variable to the preset key outcome is analyzed based on the matrix, and the key characteristic variables are positioned, so that the experience driving is changed into the data driving, and the scientificity and the pertinence of the accommodating and arranging condition design are improved; the accommodating and arranging conditions are dynamically adjusted through the closed-loop optimization process, it is ensured that the target accommodating and arranging condition set gives consideration to queue representativeness, feature pertinence and distribution rationality, and the design scientificity and success rate of clinical tests are improved.
Owner:YUYANG ZHISHU (BEIJING) TECHNOLOGY CO LTD
Light Emitting Diode Chips and Their Fabrication Methods
PendingCN122094265AGuaranteed brightness improvement effectachieve full coverageActive layerLight-emitting diode
This disclosure discloses a light-emitting diode (LED) chip and its fabrication method, belonging to the field of semiconductor technology. The LED chip includes an epitaxial layer and a silver mirror layer. The epitaxial layer comprises a first semiconductor layer, an active layer, and a second semiconductor layer stacked sequentially. The first semiconductor layer has a first conductivity type, and the second semiconductor layer has a second conductivity type, which is different from the first conductivity type. The epitaxial layer has mesa trenches extending from the second semiconductor layer to the first semiconductor layer. The silver mirror layer covers the second semiconductor layer, the sidewalls of the mesa trenches, and the first semiconductor layer. The embodiments of this disclosure ensure that the silver mirror layer enhances the brightness of the LED chip.
Owner:HC SEMITEK ZHEJIANG CO LTD
Industrial internet threat identification method and system
The embodiment of the application discloses an industrial internet threat identification method and system, the method comprises the following steps: collecting multi-source data in the industrial internet scene in real time through a bypass deployed collection terminal; pre-processing and feature extraction are performed on the multi-source data to obtain first features and second features; the first features and the second features are fused to obtain fused features; the fused features are identified by using a threat identification engine to obtain a threat identification result. The application has the following advantages: 1. The single-dimensional detection limitation is broken, the coordinated attack can be effectively identified, and the false positive rate and the false negative rate are reduced; 2. The known threat and the unknown threat are fully covered, and the high safety requirement of the industrial system can be met; 3. The attack chain correlation analysis across domains and time is supported, the attack process can be completely restored, the attack influence range is clear, and accurate basis is provided for threat disposal; 4. The industrial production network is not invaded, the normal communication process is not disturbed, and the core requirement of the industrial scene, that is, low invasion and high availability, is met.
Owner:浙江齐安信息科技有限公司
A sampling device for monitoring heavy metals in soil
The utility model relates to soil sampling technical field, and disclose a kind of sampling device for soil heavy metal monitoring, to solve the problems, such as low efficiency of traditional device, difficult stratified sampling etc., it includes trolley with universal wheel and handle, trolley surface is equipped with adjusting mechanism and sampling mechanism, adjusting mechanism contains horizontal and longitudinal adjusting assembly, horizontal passes through first servo motor drive screw rod, and drives sliding base along fixed rod horizontal sliding;Longitudinal is driven screw rod by second servo motor, so that sliding base along fixed rod longitudinal sliding, realize the multi-position adjustment of sampling mechanism, in sampling mechanism, first hydraulic cylinder drives hydraulic telescopic column with sampling soil sampling tube into soil, after taking soil, first cylinder drives push plate to push out sample, bottom baffle is opened and closed by second cylinder control and realizes stratified sampling, the setting of sampling mechanism can realize efficient soil sampling and convenient unloading, simultaneously stratified sampling function can be realized in sampling process, protective housing protects cylinder, the device is efficient and convenient, can guarantee sample purity and accuracy.
Owner:HENAN ZHONGFANG QUALITY INSPECTION TECH CO LTD
Nondestructive testing system based on fluorescence imaging principle
PendingCN121830657AImprove adaptabilityAchieve full coverageOptically investigating flaws/contaminationFluorescence/phosphorescenceComputer hardwareFluorescence
The invention discloses a nondestructive testing system based on a fluorescence imaging principle, and belongs to the technical field of nondestructive testing. Comprising a hardware system and a software system. The hardware system comprises an excitation module, an imaging module, an adjusting module, a loading module and a control module; the software system comprises an image processing unit, a defect identification unit, a parameter management unit and a report generation unit, and the software system runs in the control module and is used for processing images, identifying defects, managing parameters and generating reports. By means of multi-wavelength switchable light sources and automatic optical filter switching, the system can adapt to workpieces made of various materials such as metal, ceramic and composite materials, the problem that an existing system is poor in adaptability is solved, the double-camera linkage assembly is matched with the three-dimensional translation table and the rotating shaft, all-directional coverage of workpieces in complex shapes can be achieved, the detection integrity is improved, and the detection efficiency is improved. The distance sensing unit is linked with the control module, so that the relative positions of the workpiece, the light source and the camera are automatically and accurately adjusted, manual adjustment errors are eliminated, and the detection precision is improved.
Owner:AVIC TEST STONE TESTING TECH (XIAN) CO LTD
Retractable orbital transfer type pile line split air mobile charging robot system
ActiveCN224197606Usolve pain pointsreduce utilizationCharging stationsArrangements using take-up reel/drumNew energyMobile charge
The utility model relates to a take-up track transfer type pile line split air mobile charging robot system, which comprises an air track, a walking module, a movable charger, a winding gun line module, a charger side butt joint module, a winding side butt joint module, a power taking module, a charging call response system and a control processing unit, the movable charger can move along the aerial track and change the track and steer under the driving of the walking module, a winding gun line module is arranged beside each parking space, the movable charger can achieve the purpose that any parking space can be in electrical butt joint with the winding gun line module, and therefore the charging service can be provided for an electric automobile below the movable charger. The utility model relates to the field of new energy vehicle charging, eliminates the one-to-one binding relationship between a movable charger and a charging gun line, greatly improves the utilization rate of charging resources, supports reservation charging and queuing charging, can take back the charging gun line after a user pulls out a gun, and is more convenient, more efficient, cleaner and safer.
Owner:SUZHOU XIAOSHENG YIDA ROBOT CO LTD
A device for spreading and mixing yeast in the production of baijiu (Chinese liquor)
ActiveCN224280192UStrong penetrating powerImprove uniformityAlcoholic beverage preparationChinese liquorProcess engineering
Owner:KUIYUAN (CHONGQING) LIQUOR CO LTD
An intelligent glove
ActiveCN224417270UAchieve full coverageAccurately sense local pressure changesComputer hardwareControl circuit
The application provides a kind of intelligent gloves, it is related to smart wearable device technical field, including glove body, including palm part and finger part, palm part front is palm side, the back of palm part is back side, including: flexible array resistance sensor, set as bendable, stretchable structure, flexible array resistance sensor is integrated at least in palm side and finger part, for real-time acquisition the pressure data of the glove body action and send pressure signal;Master module is set to the back side, the master module includes flexible resistance sensor acquisition device and master control circuit;The flexible resistance sensor acquisition device is used to receive the pressure signal sent by the flexible array resistance sensor and convert the pressure signal into first electric signal, and the master control circuit is used to receive the first electric signal sent by the flexible resistance sensor acquisition device. Solve how to improve the sensitivity of intelligent gloves to small contact changes in related technologies.
Owner:TUJIAN TECH (BEIJING) CO LTD +1
A method and system for electromagnetic compatibility testing of a power semiconductor drive
This invention belongs to the field of power electronics testing technology, specifically relating to an electromagnetic compatibility (EMC) testing method and system for a power semiconductor driver device. The method includes: during each EMC test, when the switching action of the power semiconductor driver device under test is triggered, an interference pulse is emitted after a specific delay from the triggering moment; real-time data collected over a time period starting from the triggering moment is used to reflect the internal state of the power semiconductor driver device under test at the moment of fault occurrence; the specific delay is adjusted according to the sensitive range after the switching action of the power semiconductor driver device under test; the EMC test includes at least several EMC tests where the time of interference pulse emission falls within all different sensitive ranges; the different sensitive ranges include the turn-on delay range, voltage rise edge range, Miller plateau range, and overshoot range after the switching action of the power semiconductor driver device under test.
Owner:XJ ELECTRIC CO LTD
A high power density permanent magnet motor for drones
ActiveCN121012230BAccurately matches power needsAchieve full coverageAssociation with control/drive circuitsWindingsElectric machineFrequency conversion
This invention relates to the field of motor technology and discloses a high-power-density permanent magnet motor for unmanned aerial vehicles (UAVs). The motor includes a stator with a winding section and a frequency conversion section. The winding section is arranged in a ring array around the center of the stator, allowing for different coil combinations on a single winding. The winding section includes slots A, B, and C. Slot A is located on the inner wall of the stator, while slots B and C are located on the stator itself. The inner wall of the stator also has inlet holes A, B, and C. Inlet holes A and B communicate with slot A, and inlet holes B and B communicate with slot B. The motor employs a wide-range speed control to adapt to UAV operating conditions, featuring a six-speed adjustment function. The rated speed ranges from 8 r / min (8 Hz) to 48 r / min (48 Hz), and the speed ratio can reach 1:8 during weak field operation. This allows for precise matching of the power requirements of different stages of UAV operation, such as takeoff, cruise, and high-speed flight, achieving full operating condition coverage without motor replacement.
Owner:BAOTOU CHANGAN PERMANENT MAGENT MASCH CO LTD
A cigarette lighter base
This utility model discloses a cigarette lighter base, including a plug and a mounting housing. The mounting housing is fixedly installed above the plug, and a power supply adapter structure is installed inside the mounting housing. The power supply adapter structure includes: two USB ports, two Type-C ports, a cigarette lighter power supply sleeve, and a wireless charging component. This utility model relates to the field of automotive parts technology. By integrating two USB ports, two Type-C ports, a cigarette lighter power supply sleeve, and a wireless charging component into the mounting housing, it achieves full coverage of wired and wireless charging methods and significantly increases the number of power supply interfaces. Users can simultaneously provide power to multiple different types of devices, greatly improving charging efficiency and convenience, and meeting the needs of charging multiple devices at the same time.
Owner:FUCHENG AUTOMOBILE PARTS SHENYANG CO LTD
Multi-cavity profile seamless welding and sound insulation layer integrated forming method and door and window frame
PendingCN122125922AImprove welding appearance qualityImprove appearance qualityFramesDomestic articlesInsulation layerManufacturing technology
This invention relates to a method for seamless welding of multi-cavity profiles and integrated molding of sound insulation layers, as well as a door and window frame. It belongs to the field of building door and window profile processing and manufacturing technology. By moving the injection of the sound insulation composite material before welding, pre-injection is completed when the profile cavity ports are open, solving the problem of material not flowing into the closed corner area and resulting in missing corner sound insulation filling in existing post-injection processes. By applying a heat-activated protective film to the welding end face and implementing a staged heating and pressurization process, the flow homogenization conditions of the molten material on the outer surface are improved, effectively reducing the width of the white weld seam at the corner. By selecting a sound insulation material system with a final curing temperature matching the welding residual heat temperature range, the residual heat during the natural cooling process of the corner after welding drives the final curing of the material, merging the welding process and the sound insulation layer molding process. No structural modifications to existing welding equipment are required, making it easy to promote and apply under existing production conditions.
Owner:HUNAN XINSHENG DOORS WINDOWS & CURTAIN WALL CO LTD
The pattern structure of the engineering tire with equal groove width and variable pitch can balance low noise and full wear period saturation
ActiveCN121848860BSolve the pain points of poor driving smoothnessstable drainageTyre tread bands/patternsLow noiseGroove width
The application discloses an engineering tire pattern structure with equal groove width, variable pitch, low noise and full wear period, and the like, and relates to the technical field of tires. The application breaks through the technical bottleneck of single performance, inconsistent performance of each pitch, uneven wear, poor structural reliability and low universality in the design of a traditional engineering tire variable pitch, and through integrated innovative design of equal groove width basic design+density differentiation matrix solid convex point+three-order universal pitch proportion, the application realizes the coordinated consideration of low noise, performance consistency, uniform wear and structural reliability, and is suitable for the use requirements of engineering tires in heavy load and multiple working conditions in all directions.
Owner:SHANDONG HUASHENG RUBBER +2
Micro-led chip and preparation method thereof
This invention relates to the field of optoelectronic manufacturing technology, specifically disclosing a Micro-LED chip and its fabrication method. The fabrication method includes: forming an epitaxial layer on a substrate; forming conductive steps and isolation trenches on the epitaxial layer to obtain a first intermediate; immersing the first intermediate in a modified solution containing a silane coupling agent and reacting for a first preset time to obtain a second intermediate; the silane coupling agent contains a first active group and a second active group, the first active group being methoxy or ethoxy, and the second active group being amino; heat-treating the second intermediate in an inert atmosphere for a second preset time to obtain a third intermediate; forming a protective layer on the third intermediate; the protective layer's E... g ≥4.0 eV; A first through-hole and a second through-hole are formed on the protective layer to obtain a fourth intermediate; A first electrode and a second electrode are formed on the fourth intermediate. Implementing this invention can improve the luminous efficiency and reliability of Micro-LED chips.
Owner:JIANGXI ZHAO CHI SEMICON CO LTD
A silicone aerosol type coating for waterproofing precision instruments and a method for preparing the same
This invention belongs to the field of micro-coating protection and discloses an organosilicon aerosol coating for waterproofing precision instruments and its preparation method. The organosilicon aerosol coating comprises, by weight, 4-6 parts of fluorinated organosilicon, 2-3 parts of organosilicon-acrylate resin, 30-40 parts of a first solvent, 20-30 parts of a second solvent, 1-1.5 parts of a release agent, 0.5-1 parts of a leveling agent, and a certain amount of propellant. This invention uses a first solvent and a second solvent with different volatility properties to improve the self-leveling and film-forming quality of the microfilm after spraying, reducing surface micropore defects caused by excessive evaporation and forming a good waterproof layer. Through the synergistic effect of fluorinated organosilicon and organosilicon-acrylate resin as film-forming materials, the waterproof coating formed with the release agent and leveling agent possesses both long-lasting waterproofing and peelability. When used for the protection of precision instruments, the coating can be peeled off after a certain protection period without leaving residual pollution on the instrument surface.
Owner:ZHEJIANG LUDAO TECH CO LTD
An external damage prevention monitoring system and method for live-line work
PendingCN122592045AAchieve full coverageSolve the problem of difficult recognition caused by poor visibility
The application discloses a live working anti-external damage monitoring system and method, relates to the technical field of power operation safety protection, and the system comprises a laser radar, an electric field sensor, a main control module and a strong magnetic force holder. The bottom of the strong magnetic force holder is provided with a strong magnetic force adsorption disc, the top is provided with a mounting platform, the inside is provided with a horizontal shaft motor and a vertical shaft motor, and the side is provided with a data interface and a power supply interface. The laser radar is connected with the strong magnetic force holder through the mounting platform and is used for collecting laser point cloud data. The electric field sensor is connected with the strong magnetic force holder through the mounting platform and is used for collecting electric field fluctuation data. The main control module is connected with the strong magnetic force holder through a shielding cable and is used for acquiring operation area data and performing anti-external damage monitoring according to the operation area data. Through the cooperative matching of the laser radar, the electric field sensor, the main control module and the strong magnetic force holder, effective anti-external damage monitoring of the operation area during live working can be realized, and the safety of live working is improved.
Owner:STATE GRID XIONGAN FINANCIAL TECH GRP CO LTD +1
A dust treatment device with large air volume demand and uncertain dust source
PendingCN122252441AIncrease air volume limitLittle resistance lossDispersed particle filtrationDirt cleaningAir volumeDust control
The present application relates to the technical field of dust control, in particular to a dust control device for large air volume demand and indefinite dust source, which comprises a dust control device for large air volume demand and indefinite dust source, a trolley dust removal equipment, a trolley capture hoisting equipment and a belt sealing groove, characterized in that the middle and both sides of the trolley dust removal equipment are respectively provided with a travelling crane main beam, a travelling crane end beam is arranged above the travelling crane main beam, and a dust removal bin wall assembly is welded below the travelling crane end beam. The dust control device and method for large air volume demand and indefinite dust source can combine the dust removal system with the travelling crane, realize full-range coverage of the capture cover in the factory building, greatly improve the air volume of the dust removal system, and have ideal treatment effect and excellent economic benefit in the dust control of indefinite dust source.
Owner:NANJING DONGFANGYUAN ENVIRONMENTAL TECH CO LTD
Verification methods, systems, and storage media for digital twin trust assessment methods
ActiveCN114611059Blow costAchieve full coverageComplex mathematical operationsModelSimValidation methods
This invention discloses a verification method, system, and storage medium for a digital twin credibility assessment method, belonging to the field of modeling and simulation technology. The method includes: constructing an experimental platform; calibrating the credibility level of the experimental platform to obtain an optimized experimental platform; verifying the accuracy and universality of the assessment method based on the optimized experimental platform; verifying the assessment method based on the accuracy and universality results; obtaining and outputting the verification results. This invention ensures full element coverage with as few experimental platforms as possible, reduces redundancy, lowers the cost of the verification scheme, and allows for fine-tuning of the model for specific experimental platforms, taking into account the impact of the on-site environment on the experiment.
Owner:BEIHANG UNIV
Method for analyzing immunoregulation effect of concentrated pills of psammophila and astragalus
The application discloses an immune regulation pharmaceutical effect analysis method based on a concentrated pill of psammochloa and astragalus, which comprises the following steps: raw material extraction, animal model construction, multi-dimensional detection and data statistics. The raw materials of psammochloa and astragalus are weighed according to a specific ratio, and then are prepared into extract by ethanol decoction and concentration. After the experimental animals are grouped and administered intragastrically, the individuals are screened by the four oxygen pyrimidine modeling. The immune organs are separated, weighed, and the index is calculated. The contents of various cytokines in serum and liver tissue are detected by the ELISA method. The tissue morphology, lymphocyte proliferation and protein expression are observed by HE staining, MTT method and immunofluorescence method. The expression of key signal pathway proteins is detected by electrophoresis and other steps after the total protein is extracted, and statistical analysis is carried out. The method is systematic and comprehensive, the result is accurate and reliable, and a scientific basis is provided for the immune regulation pharmaceutical effect evaluation of the concentrated pill.
Owner:INNER MONGOLIA UNIV FOR THE NATITIES
Service transformation verification method and device and related equipment thereof
PendingCN122019272AImplement synchronous triggeringAchieve real-timeDatabase updatingResource allocationData miningProtocol Application
The embodiment of the invention provides a service transformation verification method and device and related equipment thereof. In the embodiment of the invention, in response to a calling request of an application layer for an original service, a service entry parameter of the calling request can be obtained, and according to a pre-configured mapping relationship between the original service and the micro service, calling of the micro service corresponding to the original service is asynchronously initiated by using the service entry parameter; receiving and recording a calling return result of the original service and the micro service, and returning the calling return result of the original service to the application layer, so that the application layer continues to process a calling request of the original service; and according to a matching rule for judging logic consistency between the services, comparing the calling return result of the original service with the calling return result of the micro-service so as to output a comparison result of logic consistency between the calling return result of the original service and the calling return result of the micro-service, and taking the result as a verification result of service transformation.
Owner:HANDAN BRANCH OF CHINA MOBILE GRP HEBEI COMPANYLIMITED +1
Spiral vibration feeding device with cooling function and using method thereof
PendingCN122078938AAchieve full coverageavoid damageClimate change adaptationNon-rotating vibration suppressionCooling chamberMechanical engineering
The invention provides a spiral vibration feeding device with a cooling function and a using method thereof. The spiral vibration feeding device comprises a base, and the top of the base is connected with a mounting circular plate through a damping mechanism; a cylindrical rod is fixedly arranged at the top of the mounting circular plate, a spiral feeding disc is fixedly arranged on the outer side of the cylindrical rod, and a cooling mechanism is arranged in the cylindrical rod; a cooling cavity in the cooling mechanism is formed in a cylindrical rod, a plurality of air outlet assemblies communicating with the interior of the cooling cavity are fixedly arranged on the outer side of the cylindrical rod, and the top of the outer side of the cylindrical rod communicates with an air inlet pipe. The air outlet assembly is connected with the mounting pipe through the connecting part composed of the first threaded connecting ring, the hose and the second threaded connecting ring, quick mounting and dismounting of the air outlet pipe are achieved through the threaded connection design, later maintenance and overhaul are facilitated, in addition, the air outlet pipe and the mounting pipe are flexibly connected through the flexible characteristic of the hose, and the service life of the air outlet pipe is prolonged. And in cooperation with the buffering effect of the sliding ring and the first spring, the impact force of vibration on the air outlet pipe can be effectively reduced, and the air outlet pipe is prevented from being damaged due to vibration.
Owner:WUHAN XUDONG FOOD
A leg massaging device
ActiveCN224403982UAchieve full coveragelarge massage areaPhysical medicine and rehabilitationMassage
The utility model relates to a leg massage device relates to health care product technical field, its main structure is: massage layer inside has oil storage cavity, a plurality of massage ball is rotatably installed on one side of massage layer body, the other side of massage layer body is fixedly installed in the inner side of bandage, one end of oil injection pipe is connected oil storage cavity through the hole on massage layer body, the other end passes through the bandage and is used as oil injection mouth, and the oil injection mouth is sealed through the detachable sealing plug, the outer side of bandage is fixedly installed with two handles, the outer side of one end of bandage is installed with magic tape hook face, and the inner side of the other end is installed with magic tape nap surface, the utility model discloses through enlarging massage range realizes leg full package massage, can use the essential oil to promote massage efficiency and comfort, and simultaneously need not power drive, ensures the safety of massage process.
Owner:GUANGAN TRADITIONAL CHINESE MEDICINE HOSPITAL +1
Food quality inspection method and device
PendingCN121861650AAchieve full coverageavoid subjective errorCharacter and pattern recognitionManufacturing computing systemsEngineeringBiology
The invention relates to the technical field of food inspection, and discloses a food quality inspection method and device, and the method comprises the steps: obtaining image data of a plurality of regions on the surface and in a food as original inspection data; preprocessing the original inspection data to obtain first image data detected by the adaptive model; performing feature extraction and quality anomaly detection on the first image data by adopting a deep learning model to obtain second image data containing potential quality anomaly information; performing positioning and quantitative analysis on potential quality anomaly information in the second image data to obtain food quality anomaly parameters; and comparing the food quality abnormal parameter with a preset food quality standard to obtain a food quality evaluation result. According to the food quality inspection method provided by the invention, the image data of multiple regions on the surface and inside the food are acquired as the original inspection data, so that the limitation that only the surface of the food is concerned in traditional inspection is broken through, and all-around coverage of the food quality is realized.
Owner:CHONGQING ACAD OF METROLOGY & QUALITY INST
A visual inspection system for foreign objects in a can
The present application relates to the technical field of industrial automation detection, and particularly discloses a kind of vision detection system of foreign matter in tank, the system includes rotary positioning module, multi-source lighting module, multi-modal imaging module, image processing decision module and visual interface module;The present scheme integrates annular LED bright field light source, lateral dark field light source and polarized light source, dynamically switches illumination mode according to tank body material, cooperates with high-speed camera array to synchronously collect images from top-down and lateral oblique angle, realizes all-around coverage to tank wall, tank bottom, liquid level and the like;Pre-trained DINO model is used to extract multi-level visual token, all sequences are uniformly modeled using lightweight Mamba autoregressive model, effectively capturing the global dependence and local details of the spatial structure inside the tank, while introducing a dynamic anomaly threshold mechanism, effectively avoiding the problem of missing small foreign matter caused by image down-sampling.
Owner:BEIJING MIAOXIANG SCIENCE & TECHNOLOGY CO LTD
Penetration flaw detection defect observation device
ActiveCN224247662Uhigh degree of automationAchieve full coverageImage analysisCharacter and pattern recognitionImaging processingMagnetic poles
The utility model provides a defect observation device for penetrant flaw detection. The defect observation device comprises a magnetic mark generation mechanism, an image mechanism and a man-machine interaction mechanism, the magnetic field on the surface of the workpiece is effectively applied through cooperation of the magnetic pole piece and the electromagnetic yoke, magnetic lines escape from the surface of the workpiece at the surface defect position of the workpiece to form a leakage magnetic field, and magnetic powder applied to the surface of the workpiece can be adsorbed to form aggregation magnetic marks due to existence of the magnetic pole. Meanwhile, due to the multi-shaft driving structure of the magnetic mark generating mechanism, comprehensive spraying of magnetic powder on the surface of the workpiece is achieved, it is ensured that defects are clearly shown, and the detection accuracy is improved. And secondly, the image mechanism adopts four cameras which are arranged at an included angle of 90 degrees, so that all-directional coverage on the surface of the workpiece is realized, and the defect identification capability and the detection precision are effectively improved in combination with processing of the image processing unit on the images shot by the cameras. And thirdly, the man-machine interaction mechanism is integrated with a touch display screen and a processor, so that the operation convenience and the data tracing capability are improved.
Owner:GUANGZHOU RUIPU TESTING CO LTD
A power target attack risk comprehensive evaluation method, device and equipment based on dynamic weight distribution
PendingCN122509661AEnsure continuous adaptabilityContinuous adaptive improvement
This invention relates to the field of power attack risk assessment technology, and provides a method, device, and equipment for comprehensive assessment of power target attack risks based on dynamic weight allocation. The method includes: acquiring analog electrical signals, digital electrical protocol messages, and operating parameters, processing them to obtain a standardized electrical dataset; constructing a risk assessment index system and extracting electrical feature vectors corresponding to each dimension; adjusting the initial weights of each risk dimension based on a comparison between the current operating parameters of the electrical equipment and preset thresholds to obtain a dynamic weight vector, and calculating a comprehensive attack risk value; iteratively optimizing the dynamic weight vector based on the assessment error between the comprehensive risk value and the collected actual risk state; and triggering an electrical-level early warning signal and outputting control commands to the electrical actuator when the comprehensive risk value exceeds a preset threshold. This improves the accuracy of risk assessment and the proactive defense response capability of power industry control systems in dynamic electrical scenarios.
Owner:ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
Movable cleaning device for cable bridge of coal conveying system
ActiveCN224222098UReduce deployment timeGuaranteed continuityCleaning using toolsCable trayElectric cables
The utility model relates to the technical field of cable bridge cleaning, and discloses a coal conveying system cable bridge movable cleaning device which comprises a cable bridge, a fixing groove is formed in the cable bridge, a sleeve block is movably installed in the fixing groove, and a fixing frame is fixedly installed at the top of the sleeve block. Compared with a traditional device, through the cooperation of the positioning block, the spring and the pull rod, the cleaning wool top can be moved in the cable bridge conveniently, dirt on the inner wall of the cable bridge is cleaned, the cleaning wool top can be accurately fixed within seconds, the deployment time of high-altitude and narrow space operation is remarkably shortened, and the working efficiency is improved. Unnecessary operation risks are reduced; the elastic clamping mechanism can be self-adaptive to the outline of the inner wall of the bridge frame, so that continuous surface contact between the wool top and the surface of the bridge frame is ensured, displacement caused by cleaning vibration is effectively resisted, and the continuity of cleaning action is ensured; the modular mounting bracket supports rapid adjustment of spacing and angle.
Owner:GUIZHOU QIANXI ZHONGSHUI POWER GENERATION CO LTD
A semi-automatic multifunctional laser marking instrument for cryopreservation tubes
The utility model belongs to the technical field of laser marking equipment, specifically discloses a kind of semi-automatic multifunctional cryopreservation tube laser marking instrument, comprising: support unit, bearing unit, laser marking unit and rotating unit;The support unit is located in worktop, and it includes bottom plate and the first support of fixedly arranged on the upper end of the bottom plate;The bearing unit is slidably connected with the bottom plate by the first moving mechanism arranged on the upper end of the bottom plate, and the upper end is equipped with the bearing cavity compatible with cryopreservation tube;The laser marking unit is arranged on the first support, and its marking head is aligned with the cryopreservation tube on the bearing unit;The rotating unit is rotatably connected with the marking head or the cryopreservation tube and drives the marking head or the cryopreservation tube to rotate, so that laser scans the cryopreservation tube to be marked area.The laser marking instrument of the utility model makes laser cover cryopreservation tube circumferential multiple positions by bearing cavity and rotating unit, and realizes all-around, multi-angle marking operation.
Owner:WUHAN VITAL INTELLIGENCE TECH CO LTD
Underwater docking device and docking method for training
ActiveCN117227942Beasy to controlRealize automatic controlUnderwater equipmentAutomatic controlControl signal
A kind of underwater simulation docking device for training and docking method, propulsion system, docking platform angle and azimuth adjustment system, life support system, load substitution system and cabin pressure adjustment system are connected with control cabinet and switch board through cable and pipeline, control cabinet and switch board are connected with water surface unit through umbilical cable, energy and control signal are provided for each equipment, personnel control on water surface platform and automatic control are realized, efficient, controllable, and rescue training with full coverage of rescue scene and rescue process is realized.Through water surface remote control and automatic control, real-time and accurate adjustment of docking platform angle and azimuth can be realized underwater, rescue working condition conversion time is greatly shortened, ocean environment and seabed topography adaptability is strong, full coverage of rescue scene and rescue process is realized, controllability of training is greatly improved, training efficiency and training effect are improved.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER
A method for measurement calibration when a target deviates from the isocenter in a DSA two-dimensional image.
PendingCN122075035AAchieve magnitude improvementsImprove calibration accuracyPatient positioning for diagnosticsRadiologyMagnification
This invention relates to medical X-ray imaging systems, specifically a method for measuring and calibrating a target in a DSA two-dimensional image when it deviates from its isocenter. The method is achieved through the following steps: 1. Under standard alignment or when the target is isocentered on the DSA machine, acquire and record relevant parameters of the target; 2. After the DSA machine rotates or the examination table moves, and the target deviates from its isocenter, acquire the corresponding parameters used when generating the two-dimensional image, including the machine's X-ray source rotation radius, rotation angle, examination table height and position, and the distance between the target and the table surface. Substitute these parameters into a calibration formula to calculate the calibrated X-ray source-target distance; 3. Calculate the estimated magnification using the calibrated X-ray source-target distance and the X-ray source-detector distance used when generating the two-dimensional image, thereby achieving pixel calibration of the two-dimensional image and ultimately achieving accurate measurement of the target.
Owner:JINAN THE THIRD HOSPITAL