35 results about "Testing reliability" patented technology

The invention discloses a pneumatic joint sealing performance intelligent test method and system based on dynamic pressure spectrum and multi-parameter fusion, and belongs to the technical field of pneumatic element sealing detection. According to the method, a dynamic pressure spectrum simulating an actual working condition is applied to a tested joint, pressure, temperature and ultrasonic signals are synchronously acquired, environmental thermodynamic interference is eliminated by adopting a temperature real-time compensation algorithm, and pressure change purely caused by leakage is separated by deducting system baseline data; and finally, fusing double characteristic parameters of the pressure leakage rate and the ultrasonic energy, and comprehensively evaluating the sealing performance through an intelligent judgment model. The system comprises a gas circuit tool module, a multi-sensing module and a control processing module, can effectively solve the problems that a traditional static pressure maintaining method is greatly influenced by temperature, transient leakage cannot be detected and the like, has the advantages of being high in detection precision, high in anti-interference capability, capable of simulating real working conditions and the like, and remarkably improves the test reliability and efficiency.

The invention provides an intelligent test platform, which comprises a test demand analysis module used for carrying out demand analysis on input test demand information based on a demand analysis agent to obtain a plurality of test demand items; the test case generation module is used for calling a case generation agent to generate a plurality of test cases corresponding to a plurality of selected target test demand items in response to a selection operation on the plurality of test demand items; the test script generation module is used for calling a script generation agent to generate at least one test script corresponding to at least one checked target test case in response to check operation on the test cases; the test data demand analysis module is used for calling a data demand agent to perform demand analysis on the test case to obtain a plurality of test data demands; and the test data generation module is used for calling a data generation agent to generate test data corresponding to the test data demand. According to the invention, the test efficiency and the test reliability are improved.

The invention provides an electrically conductive contact pin that improves test reliability for a test object and prevents separation in a side opening direction of a guide hole due to a lower catch portion.

The invention discloses an automatic test method and system for an electric energy meter, and solves the problems that the electric energy meter is poor in test configuration flexibility, difficult to quickly adapt to different test requirements, poor in test reliability and low in precision, and the method comprises the steps: collecting an existing test flow chart and an editing mode, and carrying out the preprocessing, and taking the collected test flow chart and editing mode as training data; a pre-training language model is adopted as a basic model, and a test knowledge graph is constructed and embedded into a Transform framework; automatically associating a standard error threshold value in the knowledge graph by using an attention mechanism in an encoder of a Transform architecture, adding a knowledge constraint layer in a decoder, and constructing a test scheme automatic generation model; and automatically generating a test scheme by using the test scheme automatic generation model, and carrying out automatic test on the electric energy meter. The configuration flexibility is improved, a user can quickly adapt to different test requirements, the error rate is reduced, the high stability and consistency of a test environment are ensured, and the stability of a test result is improved.

According to the test method and device based on call link identification, the medium and the computer equipment provided by the invention, the test environment deployment success event is firstly monitored, and the application mirror image is automatically loaded, so that the consistency of the analysis object and the final operation code is ensured. Then source codes and software packages on which the source codes depend are extracted, and all feasible calling links from each entry class to a target method are comprehensively and accurately identified in combination with a byte code scanning technology, so that omission possibly caused by manual tracing is fundamentally avoided, test cases of multiple service scenes are automatically constructed according to each complete calling link, and the test efficiency is improved. And full-scene verification of the change influence range is realized. Therefore, according to the scheme, the accuracy of call link discovery and the test coverage rate are improved, the human intervention cost is reduced by automatically generating and executing the test case, finally online faults caused by missed test are prevented in the early stage of the test stage, and the test reliability and the test efficiency are improved.

The embodiment of the invention discloses a testing method and a testing system for a flow meter. The testing method of the flowmeter is executed by a controller in the testing system of the flowmeter, the testing system comprises a medium supply unit, a gas-liquid mixing unit and the controller, the medium supply unit is communicated with the gas-liquid mixing unit, the medium supply unit is used for providing a gas-phase refrigerant and a liquid-phase refrigerant, and the gas-liquid mixing unit is communicated with the controller. The gas-liquid mixing unit is used for mixing a gas-phase refrigerant and a liquid-phase refrigerant to obtain a gas-phase refrigerant and a liquid-phase refrigerant, and the medium supply unit is electrically connected with the controller; the testing method comprises the steps that the mass flow rate of a gas-phase refrigerant and the mass flow rate of a liquid-phase refrigerant are obtained; according to the mass flow rate of the gas-phase refrigerant and the mass flow rate of the liquid-phase refrigerant, the mass flow rate of the gas-phase refrigerant and the mass flow rate of the liquid-phase refrigerant provided by the medium supply unit are adjusted, and the metering error of the flowmeter to be tested is determined according to the numerical value of the flowmeter to be tested. According to the flow meter testing method and the flow meter testing system provided by the embodiment of the invention, the testing reliability can be improved.

The invention discloses a speed reducer production test test method and system, and relates to the field of speed reducer performance test. The method is applied to a speed reducer testing system, and comprises the following steps: obtaining a to-be-tested parameter type and a customized working condition of a to-be-tested speed reducer; performing parameter error traceability analysis on the to-be-tested parameter type to obtain various error sources of the to-be-tested parameter type; performing error testing on the to-be-tested speed reducer under a preset orthogonal working condition to obtain an error contribution degree sequence of the to-be-tested speed reducer; testing the to-be-tested parameter type of the to-be-tested speed reducer under the customized working condition to obtain test data of the to-be-tested speed reducer; based on the error contribution degree sequence of the to-be-tested speed reducer, correcting the test data of the to-be-tested speed reducer to obtain corrected test data of the to-be-tested speed reducer; and judging and outputting a test result of the to-be-tested parameter type based on the corrected test data of the to-be-tested speed reducer. Therefore, the qualification test reliability of the miniature speed reducer at present is improved.

The invention discloses an intelligent test system and an intelligent test method for a gas meter circuit board, and belongs to the technical field of intelligent test of circuit boards. The intelligent test system for the gas meter circuit board comprises an automatic optical detection module which is used for collecting a circuit board image, identifying element missing and polarity errors and outputting a preliminary screening result; the function test module comprises an ICT test unit and a flying probe test unit and is used for performing electrical function and performance test on the circuit board; the control and analysis module is connected with the automatic optical detection module and the function test module and used for controlling the test process and analyzing test data; the data storage module is used for storing test historical data and a fault mode database; according to the invention, the problems of low efficiency, high misjudgment and poor adaptation of a traditional test can be solved, full-process intelligent detection and accurate fault diagnosis are realized, and the test reliability and economical efficiency are improved.

The utility model relates to the technical field of detection devices, in particular to an OBD (On-Board Diagnostic) plug plugging and unplugging detection device, which comprises a detection frame, a fixing assembly, a plugging and unplugging device and a clamping device, a fixing assembly is arranged on the bottom face of the detection frame, the plugging device is vertically and fixedly arranged on the detection frame, the output end of the plugging device faces downwards and is fixedly connected with a clamping device, and the plugging device comprises an air cylinder, a magnetic switch, an electromagnetic valve and a controller; magnetic switches are arranged on the outer sides of the two ends of the air cylinder, the air inlet end of the electromagnetic valve is connected with an air supply machine through an air inlet pipe, the two air conveying ends of the electromagnetic valve communicate with direct-current valves at the two ends of the air cylinder through air conveying pipes correspondingly, and the magnetic switches and the electromagnetic valve are electrically connected with the input end and the output end of a controller correspondingly; automatic reciprocating plugging and unplugging testing of the OBD plug can be realized, and standardization and wide application are easy to realize; the labor intensity of workers is reduced, the detection efficiency is improved, and the test reliability is ensured while the whole plugging test period is shortened.

The invention discloses a system for testing reliability of a shell in an ultrahigh-pressure environment based on fluid mediated impact, and relates to the field of high-pressure testing of deep-sea devices, and the method comprises the following steps: arranging an experimental shell in an ultrahigh-pressure cabin; the impact block is arranged in the ultrahigh pressure cabin and is located on the motion path of the experiment shell; the controller is used for sending a control instruction to the fluid driving module, controlling the fluid driving module to convey a fluid medium and driving the experiment shell to move according to a preset mode, so that the experiment shell collides with the collision block; the data monitoring module is used for monitoring impact response data generated in the impact process of the experiment shell and the impact block; the data monitoring module is also used for sending the impact response data to the controller, so that the controller evaluates the impact resistance of the experimental shell based on the impact response data; therefore, a controllable and measurable impact condition scheme can be applied to a moving shell or a key structure of the deep-sea equipment in a real deep-sea ultrahigh-pressure environment, and the blank of reliability testing of the deep-sea equipment is filled.

The invention provides a multi-core-particle integrated circuit capable of improving test reliability and a test method, the integrated circuit comprises a plurality of core particle units which are stacked and cascaded, each core particle unit at least comprises one core particle, and each core particle comprises a plurality of first test ends and a plurality of second test ends; the test method comprises the following steps: connecting each first test end of a core particle in a preceding-stage core particle unit with a test signal; each first test end of a core particle in a rear-stage core particle unit is connected with a second test end of a core particle in a front-stage core particle unit, so that a plurality of test links capable of transmitting test signals are formed; sending a detection signal to the plurality of test links to determine the connectivity of each test link and the transmission time of the detection signal in each test link; and determining and selecting an optimal test link based on the detection signal transmission time in each test link, and testing the core particles through the optimal test link.

The invention discloses a reliability test system and method for an electronic component. The test system comprises a control part, a closed cabin body, a dynamic pressure balancing device, a pressure detection part and a pressure adjusting part. First environment liquid is contained in the closed cabin body; the dynamic pressure balancing device is detachably arranged in the closed cabin body and comprises a cavity for accommodating second environment liquid; and the pressure balance part is fixedly connected with one side of the cavity. The pressure detection part is connected with the closed cabin and the control part, detects current pressure information of the closed cabin and transmits the current pressure information to the control part, and the control part generates a pressure control signal according to the current pressure information and preset target pressure information; one end of the pressure adjusting part is connected with the control part, the other end of the pressure adjusting part is communicated with the closed cabin, and the pressure adjusting part responds to the pressure control signal and controls the pressure of the first environment liquid in the closed cabin; the pressure balancing part adjusts the pressure of the second environment liquid according to the pressure of the first environment liquid.

The embodiment of the utility model relates to the field of deflection experiments, and discloses a deflection experiment testing device. The testing device comprises a base; the rotating mechanism comprises a rotating disc arranged on the base and a driving part used for driving the rotating disc to rotate; the linkage belt is arranged on the outer circle surface of the rotating disc in an attached and wound mode so as to move around the rotating disc along with rotation of the rotating disc. The clamping piece is arranged on the linkage belt; the clamping piece is used for fixing a product to be tested on the linkage belt; wherein when the linkage belt moves around the rotating disc, the product to be tested generates flexural deformation along with the movement of the linkage belt. The testing device provided by the utility model solves the problem of poor manual inspection efficiency, and at least can achieve the effects of improving the testing reliability, greatly reducing the personnel cost and improving the product detection efficiency.

The application discloses a kind of resistance wire quick life test methods.The resistance wire quick life test method includes the following steps: determining the target test temperature of the resistance wire to be measured;Determine the target current corresponding to the resistance wire to be measured at the target test temperature;According to the fusing time of the resistance wire to be measured under the target current, determine the quick life of the resistance wire to be measured.The test method provided by the embodiment of the application can simplify the test process, reduce the test cost, and improve the test reliability.

The invention provides a testing device which is applied to a touch screen, the touch screen comprises a port, and the testing device comprises a protection structure and a testing tool plate. The protection structure comprises a protection tool plate, the protection tool plate is provided with a discharge channel, the discharge channel is connected with a port of the touch screen and a grounding end, and static electricity of the touch screen is discharged to the grounding end through the discharge channel; and the test tool plate is connected with the port of the touch screen through the discharge channel so as to carry out performance test on the touch screen after static electricity of the touch screen is discharged to the grounding end through the discharge channel. According to the testing device, static electricity of the touch screen can be intercepted and discharged, so that the problems that the static electricity is conducted to the testing tool plate, the testing tool plate is damaged, the testing effect of the testing tool plate is affected, and mistaken testing exists are solved, and the testing reliability and testing accuracy of the testing tool plate are guaranteed.

The application relates to a configuration center-based accurate testing method, system, device and medium, which comprises the following steps: S1, constructing and confirming a structure level of different configurations; S2, classifying configurations according to the structure level of the configurations, and confirming test points corresponding to different configuration types; S3, obtaining a test range suggestion of different configurations according to the types and the structure level of the configurations; S4, obtaining a test range library according to the test range suggestion of the configurations and the structure level, wherein the test range library stores test scripts corresponding to different configuration types; and S5, obtaining a configuration type of a configuration to be tested in real time, matching corresponding test scripts in the test range library according to the configuration type and the structure level, and testing the configuration to be tested. Compared with the prior art, the application has the advantages of good test reliability and high accuracy.

The utility model discloses a kind of testing instruments for encoder, it is related to encoder technical field, including fixed frame, tester, encoder, fixed mechanism and adjusting mechanism, fixed mechanism includes servo motor, transmission rod, worm, worm wheel, arc plate, fixed block, clamping plate and buffer assembly, for the centering and flexible clamping of encoder;Adjusting mechanism includes L type frame, adjusting plate, fixed seat, stroke rod, guide rod and spring, for adjusting tester height and realizing quick locking, the utility model is set by fixed mechanism and adjusting mechanism, the problem that existing in clamping process due to contact is easily damaged encoder shell, clamping positioning precision is low, and test interface docking unstable is solved, by the worm worm wheel transmission cooperation elastic buffer of servo drive, realize nondestructive clamping;By spring reset and guide sliding slot cooperation, ensure that tester is stable, docking accurate, improve test reliability and equipment versatility.

The invention discloses a photoelectric pod reliability test method, a photoelectric pod reliability test system and a computer, belongs to the technical field of test and measurement, and solves the problem that an existing photoelectric pod reliability test lacks a reliability test process which can efficiently, stably and accurately record data for a long time in the whole process. Selecting a test mode, and starting to run the test mode; the test modes comprise a manual test mode, a single-time automatic test mode and a timed automatic test mode, and when the test modes are operated, the three test modes can be randomly matched; after the operation of the test mode is completed, checking the stored reliability test data of the photoelectric pod to be tested; and reliability test analysis is carried out based on the stored test data of the photoelectric pod to be tested, a reliability test analysis result of the photoelectric pod to be tested is obtained, and the reliability test of the photoelectric pod to be tested is completed.

The invention discloses a rapid detection method for soup components. The rapid detection method comprises the following steps: S1, pretreating a to-be-detected soup; s2, carrying out data acquisition on the preprocessed soup, wherein the data acquisition comprises acquisition of multichannel spectral data, conductivity data and / or temperature data of the soup; s3, according to the multi-channel spectral data, the conductivity data and / or the temperature data, analyzing the soup by adopting a soup analysis model to generate an analysis result; the analysis result comprises a qualitative analysis result and a semi-quantitative analysis result. Laboratory-level preprocessing is not needed, and the method can be used at any time in life scenes; the non-destructive test does not affect the soup quality; the content levels of purine, protein, fat and salinity in the soup can be tested; mutual interference of components on the same characteristics is eliminated by using big data and an AI model; and the difference of the components on different physical quantities is utilized to carry out correction and adjustment, so that the test reliability and accuracy are improved.

The invention belongs to the technical field of test and measurement. The integrated film thickness, air permeability and puncture performance measurement system comprises a test platform assembly, a driving roller assembly, a driven roller assembly, a puncture test assembly, an air permeability test assembly and a thickness test assembly, and integrates three functions. The concentrated presentation of the thickness data, the air permeability and the puncture performance of the diaphragm sample is realized; through cooperation of the test platform assembly, the driving roller assembly and the driven roller assembly, automatic sample injection and sample pressing are realized, so that the flatness of a sample when the sample is pressed and lifted is ensured, the flatness of the sample is effectively ensured, and the test reliability is enhanced; a scanning function is added, bar codes of the samples can be automatically scanned, relevant information of the contained diaphragm samples is fed back to a control terminal, and test results are classified and counted.

The application discloses a six-dimensional force sensor self-adapting calibration platform based on a superimposed force standard machine in the technical field of force sensor calibration, which comprises a fixed crossbeam, a vertical support column, a movable crossbeam, a force sensor, a force applying head, a test pressing plate, a test base, a self-adapting base plate, a base and a force applying ball, the test pressing plate and the test base are installed on the calibrated force sensor, the test base is fixed on the top steel plate of the self-adapting base plate, the force sensor and the force applying head are connected below the movable crossbeam, a plurality of circular pits are formed on the outer side surface of the test pressing plate, and the force applying ball is located in the circular pit. The application can automatically adjust the structure scheme of the accurate force applying point to automatically adjust the force applying point to the accurate position, reduce the error during the test, and improve the test reliability. The tooling assembly can complete the calibration of three-direction force and three-direction torque at one time. The force applying point and the direction are self-adapting, the manual interference factors are excluded, and the calibration precision is ensured.

The invention discloses a multifunctional dynamic sealing element ultra-high-speed wide-temperature-range environment frictional wear detection system, which can simultaneously simulate multi-physics-field coupled extreme working conditions such as ultra-high-speed rotation, wide temperature range, oil pressure environment and axial / radial mechanical load, and accurately reproduce actual working environments of dynamic sealing elements in high-end equipment such as aero-engines and high-speed trains. Compared with traditional equipment which only carries out single-factor or material-level testing, the consistency of testing data and practical application is remarkably improved, the problem that the deviation between laboratory results and engineering practice is large is effectively solved, the extreme service working condition is truly reproduced, and the testing reliability is improved; according to the invention, three test modules are integrated, namely an end face sealing element test module, a three-valve ring sealing element test module and a circumference sealing element test module, and parts of the modules can be shared; by means of the multifunctional integrated design, the same device can be compatible with performance evaluation of dynamic sealing pieces of different structural forms, the utilization rate of the device is greatly improved, and the research and development cost is reduced.

The utility model relates to a crimping test device, which comprises a machine table, a carrier plate and a crimping module, and is characterized in that the carrier plate is arranged on the machine table and is provided with a plurality of bearing cavities for bearing to-be-tested products; the crimping module comprises a fixed plate, a floating plate, a first guide assembly and a plurality of crimping assemblies arranged on the floating plate, the fixed plate is arranged on the machine table, the floating plate is arranged on the fixed plate in a floating mode, the multiple crimping assemblies correspond to the multiple bearing cavities, and the crimping assemblies can move in the direction close to or away from the bearing cavities; the first guiding assembly is used for guiding the crimping assembly in the movement process. According to the crimping test device provided by the invention, the first guide assembly guides the motion of the crimping module, and cooperates with the floating of the crimping assembly to complete the alignment operation of the crimping assembly and the bearing cavity, so that the alignment precision between the crimping module and the bearing cavity can be improved, and the test precision and the test reliability of a to-be-tested product are improved; and the test efficiency of the to-be-tested product can be improved.

This utility model discloses an airtightness testing device for shell products, including a testing frame, a sealing and tightening assembly, a movable tightening assembly, and a lifting device. The sealing and tightening assembly is installed on a first side plate of the testing frame to seal the cavity opening of the workpiece. The movable tightening assembly is installed on a second side plate of the testing frame to cooperate with the sealing and tightening assembly to fix the workpiece. The first and second side plates are arranged opposite to each other, and the axial center line of the sealing and tightening assembly coincides with the axial center line of the movable tightening assembly. The upper support plate of the testing frame is fixed to the lifting end of the lifting device, and the lifting device controls the up-and-down movement of the testing frame. This utility model achieves high-precision airtightness testing of the workpiece through limiting slot positioning and a bidirectional tightening structure, while utilizing adjustable support and buffer design to improve the adaptability and testing reliability of shells of various specifications.

The invention provides a test bed operation state evaluation method and a test bed operation state evaluation device, and the method comprises the steps: carrying out the three-dimensional simulation processing of a target test bed, and obtaining a target test bed model which comprises a plurality of test bed assemblies of different types and assembly parameters corresponding to each test bed assembly; the target test bed model is tested, a test parameter set related to different test bed assemblies is obtained, and the test parameter set comprises at least one operation parameter of the test bed assemblies during operation when the target test bed model is tested; for each test bed assembly, calculating test reliability data of the test bed assembly according to the test parameter set; and inputting the test reliability data and historical operation data corresponding to the target test bed into the target Bayesian neural network, and outputting an operation state evaluation result of the test bed assembly, the operation state evaluation result representing the health condition of the test bed assembly.

The invention discloses a thermal fatigue test method and platform, and relates to the field of fatigue tests.In the heating stage, the vertex temperature is collected through a thermodetector, simulation prediction is conducted in combination with a discrete temperature rise model built based on a finite element method and the Fourier heat conduction law, the power of a high-frequency heating device is updated through rolling optimization, and operation of the high-frequency heating device is controlled; in the cooling stage, collecting vertex temperature, simulating and predicting by combining a discrete cooling model, optimizing and updating power of a water cooler and an air compressor in a rolling manner, and controlling the water cooler and the air compressor to operate; an ultrasonic device is controlled to operate in the hot detection and cold detection stages, defect features in ultrasonic signals are extracted based on wavelet decomposition, detection judgment is conducted through a support vector machine, whether testing is terminated or not is autonomously decided, and the platform simulates the cold and hot conversion process to achieve accurate and rapid temperature control, and the thermal fatigue testing reliability and the defect detection precision are improved.

The invention relates to a partial discharge tester, which relates to the technical field of power distribution switch control equipment and comprises a long-strip-shaped host, a soft probe rod and a detection mechanism. The detection mechanism is arranged at the second end of the soft probe rod and comprises a hollow shell, a detachably-connected detection end, a transducer installed in the installation frame and a sound absorption piece arranged in an annular gap between the shell and the installation frame. The sound absorption part can be switched between a first state and a second state, and in the first state, the sound absorption part avoids the mounting frame in the radial direction, so that the mounting frame can move in the axial direction and is mounted at a preset position of the shell; in the second state, a sound absorption area is formed in the annular gap, and standing waves in the shell are reduced by absorbing and dissipating sound energy, so that standing wave interference is reduced, and the signal receiving stability and test precision of the transducer are improved. According to the technical scheme, installation convenience and test reliability are both considered to a certain extent, the working state of the sound absorption part can be flexibly adjusted according to the test working condition, and the adaptability of the instrument is enhanced.

This invention provides an automatic ultrasonic testing device for pressure vessels, belonging to the field of flaw detection technology. The device consists of a support assembly and a detection assembly. The support assembly includes a bracket, a magnetic wheel, and a tension spring; the detection assembly includes a sensor, a sliding component, and an ultrasonic probe. The bracket has an adjustable tilt angle to adapt to the testing needs of pressure vessels of different diameters. The magnetic wheel is driven by a hub motor and, in conjunction with the tension spring, enables independent obstacle crossing and omnidirectional movement. The device has a built-in main control unit that controls the support assembly through sensor feedback, achieving automatic "Z"-shaped scanning; it drives the sliding component to rotate automatically on the XYZ axes, precisely adjusting the detection angle and position of the ultrasonic probe, enabling online ultrasonic testing or offline analysis. This invention can be widely used in pressure vessel testing operations in industries such as petrochemicals and power energy, and is especially suitable for large storage tanks. It has strong environmental adaptability and testing reliability, greatly improving the efficiency and quality of pressure vessel flaw detection.

This invention relates to a modular permeameter, a saturation device, a permeation testing system, and a permeation testing method. The modular permeameter includes a base, an upper permeable component, and a vent plate. The upper permeable component and the vent plate are interchangeably connected to the other end of the base, enabling the modular permeameter to have a saturation operating state and a testing operating state. In the testing operating state, the other end of the base of the permeameter is connected to the upper permeable component, and in the saturation operating state, the other end of the base is connected to the vent plate. The vent plate has multiple vent holes, and a sealing ring is fitted onto the vent plate and the sample cylinder. This modular permeameter, through the interchangeability of the vent plate and the upper permeable component, achieves reliable switching of the base between two operating modes, significantly improving the sample saturation efficiency, operational convenience, and testing reliability of the permeameter with almost zero additional cost.

The application discloses an integrated circuit intelligent testing method and system, which firstly uses a positive predictor and a negative predictor to synchronously predict all integrated circuits needing to be tested, compares the prediction results of the two predictions, identifies the prediction result greater than a reliability threshold T stab and converts it into traditional testing, effectively improving the testing reliability. Meanwhile, the application performs weighted summation on the prediction results of the positive and negative predictors as the final prediction result, so that the final result prediction error is less than 1 / 2 of the single model prediction error, the prediction accuracy is significantly improved, and in addition, the variance of the final prediction error is less than 1 / 2 of the single model prediction error variance, which effectively improves the testing stability.