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Multi-modal data driven precision shaft appearance detection system and method
PendingCN119666748Agood synergyaccurate captureMaterial flaws investigationOptically investigating flaws/contaminationPattern recognitionMedicine
The invention provides a multi-modal data-driven precision shaft appearance detection system and method, relates to the technical field of appearance detection, and aims to perform multi-modal detection on the appearance of a precision shaft, extract appearance damage characteristics of different modals and improve the detection accuracy of the appearance of the precision shaft. And determining the recognition attention of each mode in the appearance detection of the precision shaft based on the information variance of the appearance damage characteristics in each mode and the distribution difference of the appearance damage among the modes. Extracting collaborative information of appearance damage feature interactive learning among different modes, determining fusion weights of detection data of different modes according to the recognition attention of each mode, and further constructing an appearance detection model through the collaborative information and the fusion weights of the detection data of different modes; and inputting the multi-modal detection data detected in real time into the appearance detection model, identifying the defect characteristics of the appearance of the precision shaft, and visually displaying the defect characteristics, so that the multi-modal cooperative detection of the appearance defects of the precision shaft can be realized, and the robustness of the appearance detection of the precision shaft is improved.
Owner:DALIAN DEMAISHI PRECISION TECH CO LTD
Method and system for detecting water content of lithium battery
ActiveCN119643595ARapid positioningavoid physical damageRadiation thermographyMoisture content investigation using microwavesPhysical chemistryElectromagnetic reflection
The invention relates to the technical field of lithium battery water content detection, in particular to a lithium battery water content detection method and system. The method comprises the following steps: acquiring a lithium battery surface thermal imaging image; carrying out temperature gradient distribution identification on the lithium battery surface thermal imaging image, and carrying out local distribution change sudden change detection to extract a temperature imbalance region and a temperature conventional region; carrying out optimal penetrating electromagnetic wave frequency calculation according to the temperature imbalance region and the temperature conventional region, carrying out a multi-band electromagnetic wave penetration test, and collecting electromagnetic reflection signals of the temperature imbalance region and the temperature conventional region; and performing multi-frequency-band reflection signal intensity calculation and region-by-region comprehensive reflection characteristic mining on the electromagnetic reflection signal to obtain a temperature imbalance region signal reflection characteristic and a temperature conventional region signal reflection characteristic. According to the invention, efficient and accurate lithium battery water content detection is realized.
Owner:SHENZHEN DAXING SHOUZHENG INTELLIGENT EQUIP CO LTD
Printed circuit board defect on-line full-automatic detection method and system based on data analysis
ActiveCN119667447AEvaluate performanceAssess stabilityElectronic circuit testingDetecting faulty computer hardwarePrinted circuit boardElectro magnetic compatibility
The invention discloses a printed circuit board defect online full-automatic detection method and system based on data analysis, relates to the technical field of printed circuit board performance testing, and realizes comprehensive evaluation of circuit board performance through steps 1 to 4. By configuring a test system and setting test conditions, accurate installation and debugging of each test module are ensured; a power supply stability index Dyw, a power supply switching fault-tolerant index Qhrc, a thermal stress index Ryl, a mechanical stress index Mvz, an electromagnetic compatibility index Jrx, a resource contention index Zyzq and a self-repairing index Xfz are calculated, a comprehensive evaluation index Pc is obtained through associated calculation, performance evaluation is carried out, and whether the circuit board is qualified or not is effectively judged. And when the comprehensive evaluation index Pc is lower than a first performance threshold value X, generating a performance disqualification label, and performing in-depth grading evaluation through a second multi-stage evaluation module, thereby promoting identification of specific performance defects.
Owner:JIN YUE HONG DIAN LU (ZHU HAI) YOU XIAN GONG SI
Breathing mask performance detection device
InactiveCN119618505ASimulation is accurateImprove reliabilityMeasurement of fluid loss/gain rateMaterial strength using tensile/compressive forcesPhysical medicine and rehabilitationPhysical therapy
The invention relates to the technical field of mask detection, in particular to a breathing mask performance detection device which comprises a sealing box and a detection instrument on the right side of the sealing box, and a detection unit used for detecting the sealing performance of a breathing mask is arranged in the sealing box. According to the invention, the pressure resistance of the arc mask can be detected while the sealing performance of the arc mask is detected, and the two detections complement each other, so that more comprehensive quality evaluation can be provided, data better fitting reality can be obtained, and the tightness of the breathing mask worn on a human head model can be flexibly adjusted for the sealing performance detection, so that the detection accuracy is improved. Therefore, wearing habits of different users are simulated more accurately, and the reliability and accuracy of the detection result are further improved. By means of the pressing assembly, the distribution condition of pressing force borne by the breathing mask can be changed, and the direction of the pressing force borne by the breathing mask can also be changed.
Owner:PUBTESTER INSTR CO LTD
Highway pavement flatness detection frame
ActiveCN222632007UEasy to detectComprehensive test resultsTelemetry/telecontrol selection arrangementsParticular environment based servicesStructural engineeringRoad surface
Owner:QINGYUAN TONGFA ROAD & BRIDGE ENGINEERING CO LTD
A nanopore-based non-targeted detection device, system and detection method thereof
ActiveCN121534800BSimplify the analysis processEnsure full captureLaboratory glasswaresMachine learningTarget captureFeature extraction
The application provides a non-target detection device and system based on a nanopore and a detection method thereof, the non-target detection device and system based on a nanopore are used for non-target detection of a complex matrix through a nanopore, feature extraction is performed on a nanopore detection graph, and sample classification is realized through model construction, the detection method does not make a prior definition on a to-be-detected target, and various molecular information existing in serum is acquired in a net catching manner, non-target capture and overall state analysis of various molecules in serum are realized, and a new way of rapid and portable disease screening is provided.The application breaks through the limitation of traditional single marker detection by combining the nanopore technology and machine learning, and is expected to promote the development of precision medicine in a more efficient and comprehensive direction.
Owner:ZHEJIANG UNIV
P-type silicon wafer production detection device
ActiveCN222598755UEasy to detectComprehensive test resultsFinal product manufactureUsing optical meansLaser detectionSilicon chip
The utility model relates to a P-type silicon wafer production detection device, which belongs to the technical field of silicon wafer detection and comprises a detection table and a laser detector, a conveyor belt is arranged on the detection table, door frames are arranged on two sides of the detection table, a top plate is fixedly connected to the top ends of the door frames on the two sides, and a display screen, a control panel and a controller are fixedly arranged on the top plate. A guide rail is fixedly arranged below the top plate, a sliding block is arranged on the guide rail, the sliding block is in sliding connection with the guide rail, the sliding block is fixedly connected with the laser detector, a grabbing mechanism is arranged on one side of the conveying belt and comprises a stand column, a cross beam and a rotating arm, the two ends of the cross beam are movably connected with the stand column and the rotating arm respectively, and the cross beam is fixedly connected with the rotating arm. A suction cup is fixedly arranged at one end of the rotating arm. According to the utility model, the grabbing mechanism is arranged, and the produced P-type silicon wafer is grabbed by the grabbing mechanism and then overturned by a certain angle, so that a laser detector can conveniently detect the silicon wafer in all directions, and the detection result is more comprehensive.
Owner:JINAN JINRUI ELECTRONICS
A high-speed railway bridge rescue evacuation passage state comprehensive evaluation method and system
The application discloses a high-speed railway bridge rescue evacuation passage state comprehensive evaluation method, comprising the following steps: S1, obtaining appearance and shape parameter measurement results by measuring appearance and shape parameters of an evacuation passage based on unmanned aerial vehicle inspection; S2, obtaining pedestrian comfort evaluation results by evaluating pedestrian comfort of the evacuation passage based on acceleration testing; and S3, performing comprehensive evaluation on the high-speed railway bridge rescue evacuation passage state based on the appearance and shape parameter measurement results and the pedestrian comfort evaluation results. The application also discloses a system, a device, electronic equipment and a computer readable storage medium.
Owner:铁科检测有限公司 +2
High-voltage load resistor rack and load box
ActiveCN224317650UFlexible adjustment of quantityFlexible adjuster resistancePower supply testingMeasurement instrument housingElectrical resistance and conductanceLoad resistance
The utility model provides a kind of high pressure load resistance shelf and load box.High pressure load resistance shelf includes resistance fixing device and the resistance module installed on resistance fixing device.Resistance module includes at least two groups of resistance branch and at least three groups of output terminal.At least two groups of resistance branch and at least three groups of output terminal are electrically connected, and at least two groups of resistance branch include multiple parallelly connected resistances.At least two groups of resistance branch are connected in series / parallel, to realize multi-grade resistance value output.Compared with prior art, the utility model can obtain multi-grade resistance value by the series connection or parallel connection combination between different resistance branch, and the output terminal outputs different resistance value, meets the test demand of high voltage power supply under different load conditions, and provides more comprehensive test result.
Owner:SUZHOU XWC ELECTRONIC TECH CO LTD
Sampling device for concrete foundation pouring quality detection
ActiveCN224247374Ueasy to useComprehensive test resultsWithdrawing sample devicesMaterial testing goodsArchitectural engineeringStructural engineering
The utility model relates to a sampling device for concrete foundation pouring quality detection. The sampling device for concrete foundation pouring quality detection comprises a mounting base, mounting holes vertically penetrating through the mounting base are transversely formed in the top of the mounting base in an array mode, sliding rods are slidably connected into the mounting holes in a penetrating mode, the outer walls of the sliding rods are sleeved with tension springs, and the top ends of the tension springs are fixedly connected with the top ends of the sliding rods; the bottom end of the sliding rod is fixedly connected with the top of the mounting base, temporary storage pipes are transversely arranged at the bottom of the mounting base in an array mode and correspondingly communicate with the mounting holes, the bottom end of the sliding rod is fixedly connected with a pressing plug, the pressing plug is attached to the inner walls of the temporary storage pipes in a sealed mode, and two rectangular holes are formed in the side wall of each temporary storage pipe. The outer wall of the pressing plug is attached to the two rectangular holes in a sealed mode, a U-shaped cover is connected to the bottom of the mounting base in a clamped mode, and the temporary storage pipe is located in the U-shaped cover. According to the invention, the detection result is more comprehensive, and the small-size design is adopted, so that the device is easier to carry and use.
Owner:SINOHYDRO BUREAU 14 CO LTD
A test device for squeak testing
The utility model discloses a test device for abnormal sound test, including swing arm, clamp, be located in the middle part of swing arm for clamping the measured piece, drive assembly, be located in the right side of swing arm for driving swing arm rotation, first radio assembly, be located in the middle part of swing arm and be located one side of clamp, second radio assembly, be located in the front / back side of swing arm for receiving the sound that measured piece sent in the testing process, compression assembly, be located in the middle part of swing arm for clamp restriction on swing arm. The measured fan is clamped to clamp, and the clamp is compressed on swing arm by compression assembly, and drive assembly drives swing arm to rotate, and the sound that the measured fan produced in the swing process is collected to first radio assembly and second radio assembly, thereby to analyze and judge whether the measured fan has abnormal sound, improve the accuracy of testing, and first radio assembly and second radio assembly are relative to the measured fan and are two different test modes of static and dynamic, make the test result more perfect.
Owner:P&R MEASUREMENT INC
Multispectral face photographing device
ActiveCN224193474USolve the problem of uneven multi-spectral fill lightImprove imaging effectSensorsDiagnostic recording/measuringFace detectionEngineering
The utility model discloses a multispectral face photographing device, which comprises a base provided with a control module; the light supplementing assembly comprises a reflecting cover and light supplementing pieces, the reflecting cover is connected to the base and forms a detection cavity for containing the human face, the light supplementing pieces are installed on the inner wall of the reflecting cover and evenly distributed in the arc-shaped extending direction of the reflecting cover, and the light supplementing pieces are electrically connected with the control module and used for emitting light sources of various wavelengths; and the scanning assembly is mounted on the reflecting cover and extends into the detection cavity, and the scanning assembly is electrically connected with the control module and transmits face detection data. According to the utility model, the problem of non-uniform multi-spectral light supplement during photographing detection is solved.
Owner:SHENZHEN ZHONGKE ZHIMEI TECH CO LTD
Testing device for visually evaluating steer-by-wire mechanism
ActiveCN222652585UComprehensive test resultsLow difficulty in transformationVehicle steering/rolling behaviourElectric power steeringSteering wheel
The utility model discloses a test device for visually evaluating a steer-by-wire mechanism. The test device comprises a test bed, a first fixing column, a first mounting frame, a vehicle load simulation module, a detection unit, a second fixing column, a second mounting frame, a mechanical steering mechanism and an electric power steering system. The second fixing column is fixedly connected with the test bed, and the second mounting rack is connected to the second fixing column; the mechanical transmission mechanism comprises a first steering wheel and a steering column, the first steering wheel is fixedly connected with the steering column, and the steering column is mounted on the second mounting frame; the electric power-assisted steering system comprises an electric power-assisted steering main body, a driving unit, a control unit and a power-assisted unit, the electric power steering main body is connected with the vehicle load simulation module; the driving unit is connected with the second end of the steering column; the control unit is in communication connection with the power assisting unit, and the power assisting unit is connected with the driving unit and used for driving the driving unit to operate. According to the testing device, the performance of the to-be-tested steer-by-wire mechanism can be visually evaluated through the first steering wheel.
Owner:FAW VOLKSWAGEN AUTOMOTIVE CO LTD
A method for producing PVC high-gloss film
The present invention relates to a method for making a PVC highlight film, and to the field of making PVC highlight films. In the process of making the PVC highlight film, it also specifically relates to a PVC highlight film making device, including an inverted shaped frame, and a detection table evenly arranged on the left and right is arranged between the left and right vertical sections of the inverted shaped frame. The detection table is composed of a left-right symmetrical fixing frame and a support plate symmetrically installed between the left and right fixing frames. The upper ends of the detection tables are all provided with fixing units, and the horizontal sections of the inverted shaped frame are provided with detection units. The present invention can not only perform impact resistance test on the PVC highlight film, but also perform tensile strength and bending strength test on it. One machine has multiple uses, which can not only save the time and energy consumed by replacing different detection equipment in traditional detection, improve work efficiency, but also reduce the production cost required for detection.
Owner:DONGGUAN YIFAN MATERIAL TECH CO LTD
A multifunctional testing device simulating real use scenarios of paper diapers
The application provides a multifunctional testing device for simulating a real use scene of a paper diaper, and relates to the technical field of paper diaper performance detection. The multifunctional testing device comprises a base, a large arm connected to the base, a first rotating component arranged on the large arm, a small arm rotatably connected to the large arm through the first rotating component, a turning flange connected to the small arm, a second rotating component arranged on the turning flange, a baby posture simulation model connected to the output end of the second rotating component, a liquid simulation unit in communication with the baby posture simulation model through a liquid pipeline, a temperature control unit connected to the liquid simulation unit, a gas simulation unit arranged in the baby posture simulation model and used for outputting gas, a sensing unit arranged on the surface and / or inside of the baby posture simulation model, and a control unit electrically connected to the first rotating component, the second rotating component, the liquid simulation unit, the temperature control unit, the gas simulation unit and the sensing unit respectively.
Owner:HUAQIAO UNIVERSITY
A detection system and comprehensive evaluation method for marine corrosion prevention duration of protective material
The application discloses a kind of detection system and comprehensive evaluation method of marine anti-corrosion duration of protective material, the system includes detection component, for simulating salt fog and mechanical vibration transport environment under marine state;Test tooling is used to simulate the structure of easy rusting part in actual marine process;Environment control component is used to simulate the alternating wet and hot environment and carry out real-time monitoring;Imaging component is used to detect the temperature difference of the surface of the test tooling material, identify the rusting area, and record the earliest rusting time of the test tooling.The test tooling designed by the application covers machine-added surface, bolt, threaded hole through hole, threaded hole blind hole and other easy rusting parts, uses infrared thermal imaging technology to periodically scan the test tooling, identifies the damage point and local early rusting of protective material, comprehensively evaluates the anti-corrosion ability of protection scheme, realizes efficient, quantitative and dynamic anti-corrosion ability evaluation, and provides support for rapid screening and process optimization of protective material and protection scheme in marine scenario.
Owner:JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE LTD
Method for detecting coronary heart disease based on multi-modal fusion of heart sound signals and clinical data
The present application relates to the technical field of medical signal processing and intelligent auxiliary diagnosis, in particular to a method for detecting coronary heart disease based on multi-modal fusion of heart sound signals and clinical data, which first collects heart sound signals and corresponding clinical data of a subject, and carries out filtering, denoising, normalization and segmentation processing on the heart sound signals to obtain a plurality of heart sound segments; then extracts heart sound spectrum graph features and heart sound professional statistical features, and uses a deep learning model to perform feature learning on the above features, and pre-processes the clinical data and obtains clinical deep features through a feature extraction network; on this basis, the heart sound features and the clinical features are jointly modeled through a cross-modal fusion mechanism, and a gating fusion strategy is introduced to generate multi-modal fusion features; finally, a classifier is used to discriminate the fusion features to obtain the coronary heart disease detection result.
Owner:TIANJIN CHEST HOSPITAL +1
Enterprise financial anomaly detection method and device
InactiveCN119622599AComprehensive test resultsThe test result is accurateFinanceBiological modelsBusiness enterpriseAnomaly detection
The invention discloses an enterprise financial anomaly detection method and device, and relates to the technical field of anomaly detection. Comprising the following steps: obtaining historical financial data of a historical to-be-detected enterprise, and based on the historical financial data, calculating financial anomaly characterization parameters of the enterprise, such as a financial stability index, a profit fluctuation index and a fluidity pressure index; and in combination with the financial anomaly judgment coefficient, correcting and generating a comprehensive financial anomaly judgment coefficient, and comparing the comprehensive financial anomaly judgment coefficient with an anomaly threshold to obtain a financial anomaly detection result. The financial abnormity of the enterprise can be efficiently identified, and the financial health condition of the enterprise can be more accurately evaluated, so that the operation decision error caused by the financial abnormity can be effectively avoided.
Owner:NANTONG ZHONGLOU INFORMATION TECHNOLOGY CO LTD
An online rapid detection and feedback control device for trace hazardous substances in edible oils
PendingCN122730743ARealize online monitoring and feedbackComprehensive test results
This invention discloses an online rapid detection and feedback control device for trace hazardous substances in edible oil, comprising an oil discharge pipe connected to an edible oil production line to discharge the produced edible oil; a detection vessel into which the oil discharged from the production line is introduced; a storage tank into which edible oil that has passed the detection in the detection vessel is introduced; and a multi-channel rapid detection module. The device is equipped with multiple detection vessels, which are used alternately. Each detection vessel employs a multi-channel detection module, meaning that the edible oil entering the detection vessel is divided into several streams for simultaneous detection. If one stream of edible oil contains hazardous substances while the other streams are normal, the hazardous oil is retained, while the normal oil continues to the next process, thus achieving online monitoring and feedback.
Owner:JIANGXI QINGLONG HIGH TECH OIL & GREASE CO LTD
Concentricity detection equipment
PendingCN121953777Aeasy to observeEasy to adjustMechanical measuring arrangementsStructural engineeringControl theory
The invention belongs to the technical field of pipe detection, and particularly relates to concentricity detection equipment which comprises a base, and a sliding rail is fixedly installed on the top face of the base. A mounting plate is fixedly mounted at one end of the base and on the top surface of the base; a scale plate is fixedly mounted on the end surface of one side of the mounting plate; a drawing board is detachably mounted on one side, far away from the mounting plate, of the scale plate; a clamping seat is slidably mounted on one side of the mounting plate and located on the top face of the base, and the bottom of the clamping seat is matched with the sliding rail. A sliding seat is slidably mounted on the side, away from the mounting plate, of the clamping seat and located on the top face of the base, and the bottom of the sliding seat adapts to the sliding rail. A mounting table is fixedly mounted at the top end of the sliding block; the device mainly solves the problem that traditional concentricity detection equipment cannot detect the concentricity of holes in a plate type workpiece.
Owner:JIANGSU YIJIA PRECISION INSTR MFG CO LTD
A single-cell extracellular vesicle multi-omics analysis method
The application discloses a single-cell extracellular vesicle multi-omics analysis method, and belongs to the field of extracellular vesicle detection. 5000 The method comprises the following steps: fixing and permeabilizing extracellular vesicles (EVs), inserting biotin-PEG-DSPE into the surface of the EVs to biotinize the EVs, passivating a slide, introducing biotin molecules to the surface of the slide, fixing the EVs to the glass plate through specific binding of SA and biotin, further marking the EVs membrane by using a fluorescent dye (SA-dye) coupled with SA, quantitatively analyzing 15 kinds of markers on a single EV, including nucleic acids, proteins and protein post-translational modifications, through multiple rounds of marking based on a TIRF microscope, and revealing the heterogeneity of the single EV through multi-parameter analysis of the single EV.
Owner:HANGZHOU INSTITUTE OF MEDICAL SCIENCES CHINESE ACADEMY OF SCIENCES
In-situ detection device and method for spatial uniformity of solar irradiance energy
ActiveCN119124347BExpand the work sceneSpatial uniformity realizationPhotometry for measuring solar lightPhotovoltaic energy generationControl systemData acquisition
The application discloses a kind of in-situ detection device and method of solar irradiation energy spatial uniformity, it relates to a kind of in-situ detection device and method, belongs to space simulation test technical field.The present application is to solve the problem that existing method can only be carried out in atmospheric environment, cannot realize in-situ detection under vacuum low-temperature environment.The in-situ detection device includes vacuum container, solar simulator, in-situ mechanism, detection probe, motion control system, data collector and terminal software;Solar simulator is installed at the top of vacuum container, in-situ mechanism is arranged at the bottom in vacuum container, detection probe is installed on the detection probe installation plane of in-situ mechanism, motion control system is connected with in-situ mechanism, the computer of terminal software is connected with motion control system, the signal receiving end of data collector is connected with the signal transmitting end of detection probe.The application is used to realize in-situ detection of solar irradiation energy in vacuum low-temperature test cabin.
Owner:HARBIN INST OF TECH
A test platform for a perfluorohexanone fire extinguishing device
ActiveCN224707986Uflexible conversionImprove testing capabilities
This utility model relates to a perfluorohexanone fire extinguishing device test platform applied in the field of materials testing technology. It includes a workbench with a cross-shaped receiving groove carved into its upper end. A positioning plate is fixedly connected to the middle of the receiving groove, and adjusting seats are fixedly connected to all four ends of the positioning plate. Adjusting plates are rotatably connected to the adjusting seats. Four adjusting holes are carved into the inner bottom wall of the receiving groove. Four support legs are fixedly connected to the lower end of the workbench, and cylinders are rotatably connected to the support legs. The end of the cylinder furthest from the support leg passes through one of the adjusting holes and is rotatably connected to one of the adjusting plates. A fireproof pad is fixedly connected to the upper ends of the positioning plate and the multiple adjusting plates. Through the coordinated operation of the hinged adjusting plates and the lifting sealing cover, the test space can be flexibly switched between closed, semi-closed, and fully open states, enabling the fire extinguishing test to simulate more diverse actual fire scenarios, thereby effectively improving the test results and obtaining more comprehensive test results.
Owner:CHINA RAILWAY HIGH SPEED ELECTRIFICATION EQUIP CORP LTD +1
High-quality standard suit comfort digital simulation test device
The utility model provides a high-quality standard suit comfort digital simulation test device which comprises a main body, a control assembly is arranged on the side face of the main body, and a simulation test assembly is arranged in the main body. According to the utility model, the pressure sensor, the temperature sensor, the humidity sensor and the friction sensor are used for accurately measuring the physical parameters of the contact surface of the suit and the high-simulation human body model, and the temperature and humidity of the test environment are adjusted through the heater, the refrigerator and the humidifier, so that different weather conditions are simulated; the device can accurately measure the pressure, temperature, humidity and other parameters of the contact surface of the suit and the human body and the physical performance of the fabric, provides an accurate basis for comfort evaluation, and can quickly complete the test, improve the working efficiency, reduce the test cost and improve the test efficiency compared with the traditional manual try-on and subjective evaluation methods. The air flow speed in natural wind or air-conditioning environment is simulated through the air flow simulation fan, and the air permeability and the heat retention property of the suit can be tested.
Owner:HUANGSHAN KLEIKE CLOTHING CO LTD
High-precision formaldehyde removal agent with formaldehyde removal analysis detection system
ActiveCN116930425BGuaranteed accuracyEnsuring Environment ConsistencyAir quality improvementMaterial analysisTest analysisProcess engineering
The present application belongs to the technical field of formaldehyde scavenger detection and analysis, and specifically relates to a high-precision formaldehyde removal analysis and detection system for formaldehyde scavengers, which comprises a server, a group division marker module, a plate spraying detection and analysis module, an additional influencing factor supervision and analysis module, a comparison and detection logic analysis module, and a supervision and early warning end. The present application supervises the plate spraying process before the test and evaluates the quality after spraying, and generates additional influence qualified signals or additional influence unqualified signals of the reference group or the corresponding test group through analysis when detecting the formaldehyde removal effect, thereby ensuring the environmental consistency of the reference group and each test group, significantly improving the accuracy of the test results, and determining whether to generate an invalid evaluation signal of the corresponding test group through analysis, as well as generating a low-efficiency evaluation signal or a high-efficiency evaluation signal of the corresponding test group through analysis, so that the management personnel can timely and in detail understand the test results, the test analysis is more comprehensive, and the test results are more accurate.
Owner:ANHUI KIWI BIOTECH CO LTD
A power module testing device
ActiveCN121049781BEasy to disassemble and operateImprove test efficiencyMaterial strength using tensile/compressive forcesPower supply testingHydraulic cylinderMechanical engineering
This invention relates to the field of power module testing technology, specifically to a power module testing device, including a test box. A heating device is fixedly installed at the bottom of the test box, and a placement rack is provided inside the test box and above the heating device. A fixing mechanism for fixing the power module onto the placement rack is also provided. In this invention, a hydraulic cylinder is activated to lower an L-shaped plate. The L-shaped plate sequentially contacts and presses a triangular block from top to bottom, causing the triangular block and connecting rod to slide backward on the perforated plate, compressing a spring. The connecting rod then causes the pressure plate to slide backward, facilitating the fixing and pressing of the connecting wires within the perforated plate onto the inner wall of the perforated plate. A second hydraulic cylinder is activated to move the perforated plate to the left, causing the connecting wires to move synchronously. This facilitates simulated vibration and pulling tests on the connecting wires under high-temperature conditions, improving the comprehensiveness of power module testing under simulated high-temperature environments.
Owner:ZHUZHOU HONGDA MICROELECTRONICS TECH CO LTD
A quality inspection device for mandrel production and processing
ActiveCN224415990Uaccurate contactImprove detection accuracyControl engineeringIndustrial engineering
The utility model discloses a kind of quality inspection devices for mandrel production and processing, belong to quality inspection device technical field.This kind of quality inspection devices for mandrel production and processing, including main body, moving mechanism and adjusting mechanism, main body includes base, the upper end one side of base is fixedly installed with support frame, the upper end one side of support frame is rotatably connected with three jaw chuck;Moving mechanism includes moving box, the bottom side of moving box is connected with the side of base, and the side of moving box is installed with controller;Adjusting mechanism includes first adjusting seat and second adjusting seat, the bottom end of first adjusting seat is slidably connected with the upper end of moving box, and the inside of first adjusting seat and second adjusting seat is slidably installed with first adjusting rod and second adjusting rod respectively, the top of first adjusting rod is connected with the bottom side of second adjusting seat, and the one end of second adjusting rod is inserted with micrometer, the utility model, can effectively improve the practicality of quality inspection devices for mandrel production and processing, with higher practical value.
Owner:DONGGUAN LANYANG PRECISION PARTS CO LTD
Component detection method and device
PendingCN121831455Aavoid damageAchieve security exposureElectronic circuit testingLaser etchingEmbedded system
The invention provides a component detection method and device, and the method comprises the following steps: detecting the structural characteristics and reliability of a component based on the preset detection demands of the component, so as to obtain the detection results of the structural characteristics and reliability of the component; disassembling the component upper shell and the coil to expose the chip cover plate and the upper surface of the packaging substrate; carrying out laser etching on the edge of the chip cover plate so as to separate the chip cover plate from the packaging substrate, and exposing a chip in the component; and detecting the chip to obtain a detection result of the chip. The detection method of the component effectively solves the problems that the special packaging component is difficult to unpackage, easy to damage and difficult to detect.
Owner:CASIC DEFENSE TECH RES & TEST CENT