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43results about How to "Reduce test error" patented technology
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Photoelectric sensing inertial sensor and manufacturing method thereof
PendingCN121855481AminiaturizationStrong anti-electromagnetic interferenceRotary gyroscopesVertical projectionLight beam
The invention provides a photoelectric sensing inertial sensor and a manufacturing method thereof, and the sensor comprises a semiconductor substrate which is internally provided with an annular cavity; a light conduction device is arranged in a circle defined by the annular cavity and is used for transmitting light to the inner side wall of the circumference of the annular cavity along the radius; the light source is used for emitting light rays vertically emitted to the circumferential plane of the annular cavity; a modulation device is arranged in a vertical projection area of the light source to the plane where the light conduction device is located and used for modulating a light source beam to the radius direction of the annular cavity; the light receiving devices are uniformly arranged on the circumferential side wall of the outer side of the annular cavity; and the inertial body is located in the annular cavity and can rotate around the annular cavity, and when the inertial body rotates to the position of a certain light receiving device, the inertial body can shield the light receiving device to receive light beams. According to the invention, the miniaturization of the sensing device is realized, the manufacturing cost is greatly reduced, the comprehensive damping is small, the test error is low, and the impact resistance is higher.
Owner:INTELLECT CHIP ELECTRONIC TECH CO LTD
Multi-station testing mechanism for magnetic device
ActiveCN224190152Uaccurate placementimprove accuracyTesting dielectric strengthResistance/reactance/impedenceControl engineeringTest fixture
The utility model relates to the technical field of magnetic device testing, in particular to a magnetic device multi-station testing mechanism which comprises a carrying mechanism and a testing mechanism, the carrying mechanism comprises a portal frame, a carrying transmission module, a carrying connecting frame and a carrying grabbing module, and the testing mechanism comprises a Y-axis transmission module, a testing station and a testing jig. The carrying transmission module is arranged on the portal frame, the multiple carrying grabbing modules are arranged, the carrying connecting frame is arranged on the Y-axis transmission module, the multiple carrying grabbing modules are arranged on the carrying connecting frame side by side, the testing station is provided with an upper testing module and a lower testing module, and the upper testing module and the lower testing module are oppositely arranged. Therefore, the magnetic device on the test fixture can be tested. The device is high in automation degree, a series of operations such as carrying of magnetic devices and testing of each item are automatically completed, manual intervention is reduced, and labor cost is reduced.
Owner:DONGGUAN BOZHAN MACHINERY SCI & TECH CO LTD
A fixture for on-board electrical testing of a circuit board
Owner:珠海市维丹电子科技有限公司
Plug mechanism for hot plug test of solid state disk
ActiveCN224176961Uprecise height adjustmentImplement insertionElectric digital data processingControl engineeringProcess engineering
The utility model relates to the technical field of solid state disk testing, and discloses a plugging mechanism for a hot plugging test of a solid state disk, a plugging force testing machine is used for carrying out the hot plugging test on the solid state disk in a matching manner, and the top of the plugging force testing machine is provided with an installation platform. The right side of the top of the mounting platform is provided with a clamping mechanism which is matched with the hot plug detection unit for clamping and positioning, and the hot plug detection unit is provided with a detection socket which is matched with the insertion detection of the solid state disk; the clamping mechanism is used for clamping and positioning hard disk racks of different sizes, the clamping mechanism is installed on a lifting platform of the lifting mechanism, the lifting mechanism is used for adjusting the height of the hard disk racks, and the hard disk racks are used for clamping and positioning solid state disks; the rotary reciprocating mechanism converts rotation into linear motion and reciprocatingly inserts and pulls the plugging port of the solid state disk into and out of the hot plug detection unit, so that automatic plugging detection of the solid state disk can be realized, and the automation degree is high.
Owner:SUZHOU KEMEI INFORMATION TECH CO LTD
PCBA test fixture
ActiveCN224163774Umove preciselyquick fitElectronic circuit testingMeasurement instrument housingControl engineeringTest fixture
The utility model discloses a PCBA (Printed Circuit Board Assembly) test fixture in the technical field of PCBA test, and aims to solve the problems of insufficient positioning accuracy, poor adaptability, insufficient clamping stability, damage to the surface of a PCB (Printed Circuit Board) and the like in the prior art. The jig comprises a jig body, a pressing and fixing mechanism and a clamping and fixing mechanism. The top side of the tool body is provided with a test groove used for placing a PCBA. The hold-down fixing mechanism effectively absorbs vibration and impact through the combined design of an electric push rod and a hold-down air cushion in combination with a spring and a shock absorber, and it is ensured that the PCBA is kept stable in the testing process; according to the clamping and fixing mechanism, a bidirectional threaded rod is matched with a servo motor, accurate movement of a clamping rod is achieved, PCBs of different sizes and shapes are rapidly adapted, and the positioning accuracy and adaptability are improved. By optimizing the clamping and positioning structure and the damping design, the performance of the PCBA test fixture is remarkably improved, and the PCBA test fixture has the advantages of high-precision positioning, high adaptability, stable clamping, PCB protection, convenience in operation and the like.
Owner:SUZHOU VERY INTELLIGENT TECH CO LTD
Wafer positioning device and positioning edge searching system
The utility model relates to a wafer positioning device and a positioning edge searching system. The wafer positioning device comprises a jacking mechanism and a rotating mechanism, the rotating mechanism comprises a rotating disc and an adjusting motor; the adjusting motor is arranged below the turntable and is used for driving the turntable to rotate; the jacking mechanism comprises a driving assembly, a jacking platform and a first adsorption device. The driving assembly is used for driving the jacking platform to ascend and descend. The jacking platform is arranged around the periphery of the turntable; the first adsorption device comprises a plurality of suction cup assemblies evenly distributed on the jacking platform. According to the jacking platform, the lower surface of the wafer is adsorbed through the first adsorption device, positioning of the wafer with the warping problem is facilitated, the stability of the wafer in the moving process is ensured, waggling or displacement of the wafer is avoided, and the adaptability of the positioning device to wafers of different sizes and shapes is improved.
Owner:STELIGHT INSTR CO LTD
Optimized arrangement method and system for airfoil flow field sensors
PendingCN121997544Areduce mistakesImprove efficiencyGeometric CADSustainable transportationGenetics algorithmsData mining
The invention provides an airfoil flow field sensor optimization arrangement method and system, and the method comprises the steps: obtaining the surface flow field parameter data of an airfoil under different working conditions, and constructing a data matrix; complementing the data matrix by using the matrix complementing model; and searching and optimizing the arrangement position of the sensor by taking the completion error of the matrix completion model as an optimization target to obtain an optimal sensor arrangement scheme. The method further comprises the steps that the reconstructed complete pressure distribution is compared with actual measurement data or historical simulation data of the partial redundant sensors, and if errors exceed a preset threshold value, re-optimization of the optimal sensor arrangement scheme is triggered. According to the method, the data detected by the sensor is recovered and extracted by using the matrix completion algorithm, so as to obtain information as much as possible; the genetic algorithm is used for optimizing the configuration position of the sensor so as to maximize the information carried by the sensor detection data; the problems of sensor efficient configuration and data reconstruction in flow field detection are solved.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS
Cylindrical battery clamp apparatus
ActiveCN224399457UImprove applicabilityEasy to adjust contactElectrical testingMeasurement instrument housingElectrical batteryStructural engineering
The utility model provides a kind of cylindrical battery clamp device, including support assembly, test fixture assembly, the support assembly is equipped with several layers test fixture assembly, the support assembly includes support, bottom plate, support plate, fixture mounting plate, the utility model has the beneficial effect that after fixing the height of cylindrical battery, two test ends move and respectively and the both ends of cylindrical battery abut, the distance between two test ends matches the length of cylindrical battery, the movement of cylindrical battery along its length direction is limited by two test ends, on the basis of guaranteeing the reliability of cylindrical battery test fixture to cylindrical battery clamping, the applicability of cylindrical battery test fixture to different size, different specification cylindrical battery is improved, it is simple and stable and clamping convenient and reliable, test error is small and cylindrical battery contact can be conveniently adjusted, and the structure is simple, ingenious, and low in manufacturing cost.
Owner:NEWARE TECH LTD
Automatic equipment for chip testing
ActiveCN224122711UHigh precisionImprove reliabilityElectronic circuit testingSortingComputer hardwareEmbedded system
The utility model relates to the technical field of automation equipment, and discloses automation equipment for chip testing, which is characterized in that an alignment floating assembly is additionally arranged to enable an alignment pin column to move relative to an alignment hole in the horizontal direction, so that the alignment pin column can be accurately inserted into the alignment hole, and the chip testing efficiency is improved. Therefore, the probe module can be accurately contacted with the chip on the test carrier plate. The design effectively solves the problem of inaccurate contact between the probe module and the chip in the existing chip test equipment, and significantly improves the precision and reliability of chip test. Meanwhile, the introduction of the alignment floating assembly also enhances the adaptability of the device to chips of different sizes, reduces the test error and chip damage risk caused by inaccurate alignment, and further improves the test efficiency and the stability of the device.
Owner:ADVANCED XINTE (GUANGDONG) TECHNOLOGY CO LTD
High compatibility automatic assembly production line for hub assembly and method thereof
ActiveCN116532973BImprove compatibilityNot limited to diameter sizeAssembly machinesProduction lineDrive wheel
The application discloses a hub assembly high-compatibility automatic assembly production line and a method thereof. The production line comprises bearing part press-fitting devices for press-fitting a plurality of bearing outer rings in a hub in a spatial position sequence, bolt press-fitting devices for press-fitting a plurality of bolts on an outer wall of the hub, brake member assembly stations for assembling brake members and the hub, dynamic balance testing devices for elastically inserting and driving the bearing outer rings in the hub to rotate coaxially and measuring weight distribution of the hub, gear ring and oil seal press-fitting devices for press-fitting the gear ring and the oil seal synchronously, run-out testing devices for inserting and positioning the bearing outer rings in the hub, rotating against an outer wall of the driving brake member and measuring surface flatness of the brake member and assembly height of the gear ring, and a plurality of mechanical arms for reciprocating transfer between the devices. The application realizes high compatibility of the whole production line.
Owner:FANGSHENG AXLE (SUZHOU) CO LTD
Novel optical fiber macrobend testing device
ActiveCN224095368UGuaranteed test efficiencyGuaranteed test accuracyOptical apparatus testingFiberEngineering
The utility model relates to the technical field of optical fiber macro-bending testing, and discloses a novel optical fiber macro-bending testing device which comprises a supporting plate, a sliding plate block and a fixed plate block, the U-shaped wheel is rotationally connected to the upper surfaces of the sliding plate block and the fixed plate block; and the fixed clamp assembly is arranged on the upper surfaces of the sliding plate and the fixed plate, and the surface of the fixed plate is connected with a limiting sliding block. According to the novel optical fiber macrobend testing device, one end of a tested optical fiber is fixed on the right side fixing clamp assembly, the remaining part of the optical fiber is wound around the U-shaped wheel close to the fixing clamp assembly, then the optical fiber is pulled to the U-shaped wheel at the topmost end in the middle to be wound around, and the optical fiber is pulled to the U-shaped wheel close to the left side fixing clamp assembly all the time; finally, the optical fiber penetrates through the fixing clamp assemblies to be fixed, the sliding plate block is pushed, the remaining optical fiber is slightly loosened along with pushing of the sliding plate block to be attached to the limiting sliding block, and the optical fiber is fixed to the fixing clamp assembly on the left side.
Owner:SICHUAN TONGGUANG CABLE CO LTD +3
A closed cooling tower coil performance detection device
The utility model discloses a closed cooling tower coil performance detection device belongs to the cooling tower performance detection technical field. Including abutting main body mechanism and leading mechanism, the main body mechanism includes from top to bottom setting water distribution unit, coil containing detection unit, filler containing unit and water collecting tank, and the water supply line is connected with water distribution unit. The utility model has the advantages of can carry out the coil performance test in the laboratory, avoids the influence of outside temperature and humidity to test result, reduces test error.
Owner:DALIAN SPINDLE COOLING TOWERS CO LTD
Non-destructive testing method and system for rebound of compressive strength of fast-hardening cement-based materials
PendingCN122524574AReduce detection efficiencyReduced integrity
The present application belongs to the technical field of nondestructive testing of building materials, and particularly relates to a rebound nondestructive testing method and system for the compressive strength of rapidly hardened cement-based materials. The technical solution is as follows: sample data of rapidly hardened cement-based materials is collected to construct a sample data set; the sample data set is subjected to outlier rejection, normalization processing and feature weight mapping to form a multi-dimensional input feature vector; based on the multi-dimensional input feature vector, a compressive strength prediction model is constructed, and the model parameters are optimized through k-fold cross-validation; the rebound value, curing age and mix proportion parameters of the rapidly hardened cement-based material to be tested are input into the trained compressive strength prediction model to output the corresponding compressive strength detection value. The present application can comprehensively consider sample data, establish a nonlinear mapping relationship between multi-dimensional features and compressive strength, thereby realizing rapid, continuous and high-precision evaluation of the compressive strength of rapidly hardened cement-based materials without damaging the materials or structure.
Owner:SHENYANG JIANZHU UNIVERSITY
A new energy vehicle battery testing device
ActiveCN224436551UComprehensive evaluationComprehensive assessment of health status
This utility model relates to the field of new energy vehicle battery testing technology, and discloses a new energy vehicle battery testing device, including an operating platform, two conveyor belts, a rotating rod, and a pressure plate. The two conveyor belts are respectively located at both ends of the top of the operating platform. A support platform is fixedly connected to the top of the operating platform, and an L-shaped plate is also fixedly connected to the top of the operating platform. The rotating rod is rotatably connected inside the L-shaped plate, and a continuous conveyor plate that cooperates with the support platform is fixedly connected to its bottom. Both sides of the continuous conveyor plate have conveyor grooves, each of which cooperates with a corresponding conveyor belt. The beneficial effects of this utility model are that it ensures continuous and complete test data, significantly improves the accuracy and reliability of test results, and the continuous testing process can comprehensively evaluate the battery's performance and health status, reduce test errors, and promptly identify and eliminate potential safety hazards in the battery. This is of great significance for improving test quality, ensuring battery safety, and promoting the progress of the new energy vehicle industry.
Owner:SUZHOU JINSHIKANG PRECISION TECHNOLOGY CO LTD
Secondary ion mass spectrometry sample holder
ActiveCN224217462USave pre-processing timesave loading timeSamples introduction/extractionMaterial analysis by electric/magnetic meansPhysical chemistryBonding process
The utility model discloses a secondary ion mass spectrum sample holder which comprises bases and a back plate, the back plate is located in the base, the back plate and the base are detachably connected through bolts on the side face of the base, the upper surface of the base is fixedly connected with a panel, the back plate is provided with a spring, and the spring is fixedly connected with the panel. And the spring is used for jacking up a sample and fixing the sample on the bottom surface of the panel. The sample loading device is suitable for loading small-size secondary ion mass spectrometry samples, the size of the samples does not need to be enlarged through bonding, test errors caused by the bonding process are reduced, the pretreatment and loading time of the samples is saved, and equipment pollution caused by organic glue in the bonding process is prevented.
Owner:YONGJIANG LAB +2
Rotating device of collecting pipe of air filter testboard for general ventilation
The utility model discloses a rotating device of a collecting pipe of an air filter test board for general ventilation, which comprises a test section pipeline, a sampling head is arranged in the test section pipeline, a mounting hole is formed in the test section pipeline, a shaft sleeve is mounted in the mounting hole, a supporting block is mounted below the test section pipeline, and a rotating shaft is mounted in the shaft sleeve. A base is installed at the bottom of the shaft sleeve, one end of the sampling head is installed in the base, a connecting pipe is installed at the bottom of the base, a rotating assembly is installed on one side of the supporting block, and the rotating assembly is connected with the shaft sleeve. In the prior art, the collection head and the particle counter are polluted to a certain degree, so that the accuracy of the result of subsequently testing the filtering efficiency of other products is reduced, while the collection head is covered by a cover in the existing method, but the mode lacks certain continuity, and the accuracy of the result is reduced. And the accuracy is easily reduced due to the fact that the air tightness in the whole equipment is influenced by opening a test section pipeline.
Owner:JIAXING LONGMAN MEASUREMENT & CONTROL TECH CO LTD
A PCB board that can replace the wiring of test fixtures and needle beds
ActiveCN224287078UImprove stabilityImprove reliabilityElectronic circuit testingMeasurement instrument brakingCircuit under testProcess engineering
This utility model relates to the field of PCB board testing technology and discloses a PCB board that can replace the bed-of-pipe wiring of test fixtures. It includes: a PCB support base plate, a PCB encapsulation cover plate, and a PCB board body. The PCB encapsulation cover plate is fixedly connected to the top surface of the PCB support base plate, and the PCB board body is slidably connected to the inner side of the PCB encapsulation cover plate. A buffer guide assembly is disposed between the PCB support base plate and the PCB board body. A pin connection adjustment assembly is disposed on the side of the PCB board body. This utility model improves stability and reliability through buffer guidance, enhances flexibility and shortens test preparation time through pin adjustment, reduces maintenance and customization costs and test errors by replacing traditional probes with a PCB board, and also reduces contact pressure to protect the circuit board under test. It solves the problems of complex process, high cost, poor flexibility and adaptability, and easy damage to test points associated with traditional bed-of-pipe wiring.
Owner:GUANGDONG BEITE ELECTRONICS CO LTD
Device and method for evaluating performance of carbon-based ozone decomposition catalyst
PendingCN121899328Aquick revieweasy to buildAir quality improvementMaterial analysisPtru catalystProcess engineering
The invention relates to the field of catalyst performance evaluation, in particular to a performance evaluation device and method for a carbon-based ozone decomposition catalyst. The device comprises an air generator, a first mass flow meter, an ozone generator, a first switch control valve, a measuring pipe, a second switch control valve and an ozone analyzer which are sequentially connected together through a pipeline, a second mass flow meter is connected in parallel to the pipeline between the air generator and the first mass flow meter and the pipeline between the ozone generator and the first switch control valve through a pipeline; a third switch control valve is connected in parallel on a pipeline between the second mass flow meter and the first switch control valve and a pipeline between the second switch control valve and the ozone analyzer through a pipeline; the device is used for evaluating the performance of the catalyst, the conversion rate and the failure rate are used as key indexes for evaluating the performance of the ozonolysis catalyst, the inlet and outlet concentrations of ozone can be detected in real time, the sample testing error is small, and the rapid evaluation of the performance of the ozonolysis catalyst can be realized.
Owner:SHANXI XINHUA CHEM
Viscosity testing device for environment-friendly industrial cleaning agent
ActiveCN224263009UGuaranteed uniformityavoid inaccuraciesRotary stirring mixersTransportation and packagingElectric machineryProcess engineering
A viscosity testing device for an environment-friendly industrial cleaning agent comprises a supporting frame, the supporting frame comprises a vertical plate arranged on one side of a bottom plate, a top plate parallel to the bottom plate is fixed to the top end of the vertical plate, a control panel is installed on the end face of the vertical plate, a detection barrel is fixedly arranged on the bottom plate, and a first sensor is arranged at the top of the inner wall of the detection barrel; the upper end face of the detection barrel is connected with a containing barrel through a connecting pipe, a second sensor is arranged at the top of the inner wall of the containing barrel, an electromagnetic valve is arranged at the bottom of the containing barrel, and a stirring device is further arranged in the containing barrel, coincides with the axis of the containing barrel and is fixedly connected with a motor driving shaft at the top of the supporting frame.
Owner:SHANDONG WARD IND TECHNOLOGY CO LTD
A high-voltage testing device for surge arresters
This utility model discloses a high-voltage testing device for surge arresters. The device includes a testing instrument, an adsorption conductive module, and an insulating rod. The adsorption conductive module is detachably mounted on the top of the insulating rod, and the end of the monitoring harness furthest from the testing instrument is detachably connected to the adsorption conductive module. In this embodiment, the adsorption conductive module can be moved to the device under test and adsorbed via the insulating rod, enabling remote operation, ensuring operator safety, eliminating the need for an aerial work platform, saving costs and time, and improving efficiency. The detachable nature of the adsorption conductive module and the insulating rod facilitates storage and transport. The detachable nature of the monitoring harness and the adsorption conductive module facilitates harness replacement and maintenance. The overall structure can stably establish an electrical connection between the adsorption conductive module and the device under test, ensuring smooth testing.
Owner:SHANNXI POWER TRANSMISSION & TRANSFORMATION CO
Door and window manufacturing quality detection method based on artificial intelligence
InactiveCN121898507ACheck sound insulationquick installationMeasurement devicesLocking mechanismSoftware engineering
The invention discloses a door and window manufacturing quality detection method based on artificial intelligence, and relates to the technical field of door and window quality detection, and the method comprises the following steps: S1, appearance detection; s2, door and window locking; s3, sound insulation detection; and S4, subsequent processing: the user takes out the detected doors and windows from the sound insulation quality detection equipment, and the user terminal performs data processing to obtain final detection information summary. The appearance and sound insulation performance of doors and windows can be detected, an automatic and mechanical locking mode is achieved when the doors and the windows are locked, and the doors and the windows of various specifications can be locked on the four side faces and locked in the thickness direction under linkage cooperation, so that the stability of the doors and the windows can be guaranteed, and the safety of the doors and the windows is improved. And the locking clearance can be reduced, so that the detection error is reduced, the two surfaces of the door and window can be detected, and the effect of reducing the error is achieved.
Owner:JINGZHOU MINGDA ALUMINUM DOORS & WINDOWS CO LTD
A display screen sealing test device
ActiveCN224623951UAvoid changes in sealing propertiesReduce test error
This utility model discloses a display screen sealing performance testing device, belonging to the technical field of sealing performance testing devices. It includes a device body with a built-in air pump, a test chamber in the middle of the device body, an electric push rod, a positioning component, and an auxiliary sealing component installed at the bottom of the test chamber, a test air nozzle installed at the top output end of the electric push rod, and an air guide tube fixedly connected between the test air nozzle and the air pump. The positioning component fixes the back of the display screen, and the auxiliary sealing component seals the interface on the back of the display screen. During testing, the back of the display screen faces downwards, and the front is not subjected to downward pressure. The positioning suction cup acts on the back of the display screen, preventing changes in sealing performance due to fixation, thus greatly reducing testing errors. Positive pressure and negative pressure tests are performed separately. The positive pressure test effectively avoids testing errors caused by the frame and polarizer being tightly adhered during the negative pressure test.
Owner:SHENZHEN JIADAYI OPTOELECTRONICS CO LTD
Tension testing device for cable
ActiveCN224152202UAchieve multi-directional force testingTrue reflection of performanceMaterial strength using tensile/compressive forcesClassical mechanicsStructural engineering
The utility model discloses a tension testing device for a cable. The tension testing device comprises a test board; the stretching unit is arranged in the test bench, the stretching unit is used for stretching the two ends of the cable, the stretching unit is provided with a fixing assembly, and the fixing assembly is used for fixing the two ends of the cable; and the hoisting unit is arranged in the test bench, and the hoisting unit is used for hoisting the center of the cable. According to the utility model, the stretching unit is matched with the fixing assembly, so that the two ends of the cable are accurately and stably fixed, the tension is applied, the tension is uniformly and adjustably applied, the accuracy of test data is ensured, and the hoisting unit simulates a suspension stress scene in actual use of the cable and moves synchronously with the stretching unit; the multi-directional stress test of the cable is realized, the performance of the cable is reflected more truly, meanwhile, the guide assembly provides stable guidance for the hoisting unit, the hoisting process is ensured to be stable, and test errors are reduced.
Owner:ZHONGCE CABLE GROUP
MEMS probe card space converter based on multilayer silicon wafer stacking and film rewiring and preparation method thereof
PendingCN121856598AImprove routing accuracyMeet high-density interconnection needsTelevision system detailsPiezoelectric/electrostriction/magnetostriction machinesConvertersProbe card
The invention discloses an MEMS probe card space converter based on multilayer silicon wafer stacking and film rewiring and a preparation method thereof. The MEMS probe card space converter comprises a plurality of stacked and connected high-resistance silicon wafers, surface function layers on the upper side and the lower side and a plurality of middle conduction layers. Each high-resistance silicon wafer is provided with a plurality of through holes, and the adjacent high-resistance silicon wafers are electrically communicated through solder balls or columnar bumps; the surface of the surface functional layer is coated with a photosensitive polyimide layer, a multi-layer RDL structure is constructed on the outer side of the photosensitive polyimide layer, and a Cu / Ni / Au metal coating is arranged on the outermost layer of the RDL structure. Multi-layer silicon wafer stacking and the RDL technology are adopted, the wiring precision far higher than that of a traditional LTCC is achieved, the RDL technology can achieve line width and line distance smaller than or equal to 5 micrometers, the line width and line distance are reduced by more than 10 times compared with the LTCC, testing of advanced DRAM, HBM and other chips with pitches of 60 micrometers and below can be stably supported, and the high-density interconnection requirement is met.
Owner:ZHEJIANG MICROFLEX SEMICON CO LTD
Chip resistor test fixture
ActiveCN224203264UImpaired implementationavoid damageMeasurement instrument housingMotor driveControl engineering
The utility model discloses a chip resistor test fixture, which comprises a main body, an air suction opening arranged on the main body, an air suction hole arranged above the air suction opening, a clamping device arranged above the air suction hole, a back-and-forth moving module arranged on the outer side of the clamping device, and a tester moving device arranged above the back-and-forth moving module, a support is installed behind the tester moving device, and a camera module is installed on the support. According to the chip resistor test fixture, the suction opening is matched with the suction hole to remove dust, the test environment is purified, errors are reduced, the quality is improved, and cost and efficiency are reduced. The front-back moving module drives the clamping device to move flexibly, so that the multi-element test requirements are met, and the efficiency is improved. And the tester moving device is driven by a motor to be accurately positioned, so that high-precision butt joint with the chip resistor is realized. The clamping device stably clamps the resistors of different sizes, damage is avoided, and the test success rate and the yield are improved.
Owner:HANGZHOU BORTALA ELECTRIC APPLIANCE CO LTD
A modular hardness tester with easy material feeding
This utility model relates to the field of hardness tester equipment, specifically to a combined, easy-to-dispose-of hardness tester, including a chassis and a connecting arm. The connecting arm has a control panel, and a combined hardness testing mechanism is located below the connecting arm. The chassis contains a hydraulic lifting adsorption platform, and the chassis also has an auxiliary positioning mechanism. A control platform is located on one side of the chassis. The auxiliary positioning mechanism uses a motor-driven lead screw to pre-fix the material in an auxiliary positioning frame. Combined with the vacuum adsorption function of the hydraulic lifting adsorption platform, it enables rapid material placement and positioning, improving placement efficiency. The hydraulic lifting column drives the working platform to rise and fall smoothly, and the dual fixation provided by vacuum adsorption effectively enhances platform stability when testing high-hardness materials or applying large testing forces.
Owner:SHANGHAI SHANGCAI TESTERMACHINE CO LTD
An automatic temperature acquisition and alarm device suitable for large-scale battery testing
ActiveCN224286150UReal-time monitoring of contact pressureSolve the problem of temperature collection failureThermometer detailsThermometers using electric/magnetic elementsElectrical batteryMembrane switch
This utility model relates to the field of battery performance testing technology and discloses an automatic temperature acquisition and alarm device suitable for large-scale battery testing. It includes a battery body for providing electrical energy, a membrane switch for monitoring contact status fixedly connected to one side of the battery body, adhesive tape for connecting the membrane switch and the battery body fixedly connected to the surface of the membrane switch, and a thermocouple sensor for acquiring the battery surface temperature fixedly connected to the end of the membrane switch away from the battery body. The two sides of the thermocouple sensor are fixedly connected to the adhesive tape on the surface of the membrane switch via the adhesive tape. Through integrated design, the membrane switch, thermocouple sensor, and adhesive tape are collaboratively fixed to the battery body, forming a precise temperature acquisition and contact monitoring system. The adhesive tape uses specific materials and reasonable specifications to ensure stable fixation and electrical safety at high temperatures, solving the problem of temperature acquisition failure caused by traditional fixing methods.
Owner:NINGDE XINNENG PIONEER TESTING TECH CO LTD
Modular curvature generated flexible device multi-physics testing system and apparatus
The application provides a kind of modular curvature generation flexible device multi-physics field test system and device, it is related to flexible device test technical field, including: for the task and constraint configuration module of uniform configuration and constraint setting before test starts, for loading the test parameter package matched with this test task, the test parameter package loading module, for establishing this test acquisition channel and setting uniform time reference, the channel establishment and synchronization calibration module, for calculating actual curvature estimation value and acceptance determination, the curvature estimation and determination module, for executing curvature rectification control module of deviation driving, for executing flexible device test and drift compensation in test process, the holding test and drift compensation module and for outputting the result output module of this test result.The application solves the technical problems of driving displacement and actual curvature deviation of flexible device, poor curvature-electricity data consistency and alignability in extreme environment.
Owner:MULTI-FIELD LOW TEMPERATURE TECH (BEIJING) CO LTD
A battery box cover burning test device
ActiveCN224303608Ueasy to controlGuaranteed test resultsWork holdersMaterial thermal analysisElectrical batterySimulation
The utility model relates to detection device technical field. A battery box cover scorching test device, including test box, being equipped with test platform in test box, one side of test platform is equipped with the test fixture that can slide horizontally, test fixture moves horizontally under the test drive effect, and the other side of test fixture is equipped with heating device. The utility model provides a kind of battery box cover scorching test device, which can be controlled conveniently, can be more accurate to ensure test result, reduce manual operation, and ensure the safety of test;Solve the technical problem that the current battery cover scorching test in the prior art is usually operated manually, which consumes labor and cannot guarantee the accuracy of test results, and cannot meet higher test requirements.
Owner:ZHEJIANG ZHONGDING INSPECTION & TESTING TECH CO LTD
Depth difference detection component
Owner:ZHIXIN AUTOMATION GUANGZHOU LTD