358 results about "Production testing" patented technology

The invention is suitable for the technical field of semiconductor testing, and provides a chip mass production testing environment recovery method and device and electronic equipment, and the chip mass production testing environment recovery method is used for carrying out anomaly detection on a second module used for executing a chip testing task. After an exception is found, a first module used for user interaction and monitoring triggers recovery in an overtime tolerance interval, at least a second module is restarted, and a mass production test environment context stored by the first module is injected, so that the second module quickly returns to a runnable state with existing batch parameters and a process state; and then the second module is automatically reconnected with the ATE test equipment, marks the current tested chip as retestable and sends the retestable chip to the chip processing equipment, so that the chip processing equipment confirms the test process and switches to the next to-be-tested chip, and the second module continues to execute the test task. According to the scheme, the continuity and the stability of the chip mass production test in the abnormal scene are realized.

The invention relates to the field of data analysis and processing, in particular to a data anomaly detection method for production testing of a brushless fan controller, and aims to solve the technical problem that in the prior art, differences of judgment of different models are difficult to effectively judge, and the data anomaly detection method comprises the following steps: S1, obtaining an original time sequence data sequence when the brushless fan controller runs, extracting a plurality of domain features from each data window to obtain an original feature tensor of each data window; s2, inputting the original feature tensor as a sample into an anomaly detection structure to obtain an isolation anomaly score and a reconstruction anomaly score; s3, performing weighted summation on the isolation anomaly score and the reconstruction anomaly score to obtain a fusion anomaly score; and S4, judging whether the fusion anomaly score is greater than a judgment threshold, and judging that the data window corresponding to the fusion anomaly score greater than the judgment threshold is abnormal. In practical application, production interruption caused by false alarm can be reduced, and equipment damage caused by missing alarm can be avoided.

The invention relates to the technical field of electronic testing, in particular to a vertical quantitative analysis method for chip mass production testing by adopting a big data analysis mode, which comprises the following steps: collecting time and error rate data of the chip mass production testing, carrying out sorting and clustering analysis on the data by adopting the big data analysis mode, identifying key distribution and abnormal points in the data, and carrying out vertical quantitative analysis on the chip mass production testing. And obtaining a time distribution analysis result. According to the method, segmentation and vertical quantitative analysis are performed on time and error rate data through a big data technology, abnormal data points exceeding a preset threshold value can be marked and rapidly identified, and the identification capability of potential problems in the production process is improved by comparing chip performances under different production batches and process parameters; through quantitative scoring and risk difference analysis between batches, the risk management and response capability is further enhanced, powerful support is provided for optimizing the chip mass production test process and parameter setting, and the test efficiency is greatly improved.

The invention provides an MES-based production line product quality test method and device, equipment and a storage medium. The method comprises the steps of obtaining product index information, data acquisition parameters and production order information; according to the production order information, equipment operation parameters are generated through the MES so as to control the production equipment unit to execute a production test; in the production test stage, the sensor unit is controlled to collect production test parameters of a product according to data collection parameters and send the production test parameters to the data transmission unit; and the MES compares the production test parameters with the product index information to obtain a production test result of the product. Real-time interaction between the MES software and hardware equipment is realized by simulating a real production environment and a real production process, various functions and performances of the MES software in the production process are comprehensively tested, and the reliability and stability of the software in practical application are ensured.

The invention provides a satellite batch production testing method, satellite batch production testing equipment and a computer storage medium, and relates to the technical field of satellite production testing. The method comprises the following steps: analyzing first test information, first technical state change information and first external factor state change information of a first batch of satellites to determine a related state variable of each test content point under each test item and an influence degree of the related state variable of each test content point under each test item on the corresponding test content point; and adjusting the first test information based on the influence degree to obtain and execute the test content. The redundancy of test items is avoided, and the test efficiency of batch production of satellites is greatly improved.

The invention relates to an independent AC cycle restart test method and system for a production test server. The method comprises the following steps: determining whether a tested server is ready to be put on shelf or not; starting the test script, and reading the position information; obtaining PDU binding information to obtain a PDU address and power supply interface information thereof; carrying out a connection test on the PDU and the tested server to determine that the tested server is correctly connected with the PDU power supply interface; and executing an AC loop restart test on the tested server. According to the invention, the physical position of the production test server and the binding relation between the intelligent PDU IP of the corresponding server and the power supply interface can be positioned, the power-on and power-off of the power supply of a certain production test server can be accurately controlled, and the tested servers can be independently operated and tested.

The invention relates to the field of vacuum circuit breaker production testing, and discloses an outdoor pole-mounted vacuum circuit breaker testing device which comprises a machine base, two side frames symmetrically distributed are slidably arranged on the machine base, a mounting plate is fixed to the side frames, a sliding groove is formed in the mounting plate, a mounting base is slidably arranged in the sliding groove, and a stand column is fixed to the mounting base. A first air cylinder is arranged on one side of the installation base and fixed to the installation plate, the output end of the first air cylinder is fixedly connected with a flat plate, an S-shaped arc groove is formed in the flat plate, the stand column is in sliding connection with the S-shaped arc groove, a fixing rod is fixed to the installation base, and one end of the fixing rod is fixedly connected with a detection block. The flat plate is used for driving the detection block on the testing device to translate, dynamic and static balance testing is carried out on the vacuum circuit breaker, the use stability and safety of the vacuum circuit breaker product are judged, the strength of the vacuum circuit breaker can be detected in the testing procedure operation of the vacuum circuit breaker, and therefore the quality of the produced vacuum circuit breaker product is detected. And the yield of products is improved.

The invention discloses a test platform and method for an energy storage converter, and belongs to the technical field of energy storage. A 380V power grid is sequentially connected with a first circuit breaker, a first contactor, a transformer and the alternating current side of a first PCS; the direct current side of the PCS to be tested is sequentially connected with the second circuit breaker, the second contactor and the direct current sides of the first PCS and the second PCS; the alternating current side of the to-be-tested PCS is sequentially connected with a third circuit breaker, a third contactor and the alternating current side of the second PCS; the pre-charging module is connected in parallel with the first PCS; the unit controller is respectively connected with the first contactor, the second contactor, the third contactor, the pre-charging module, the PCS to be tested and each module in the AC / DC combined source. Existing products are reasonably built, a battery system does not need to be configured, laboratory arrangement and testing of experimenters can be facilitated to the maximum extent, the testing efficiency is improved, and the construction cost is reduced. Meanwhile, the operation power of the test platform can be expanded according to test requirements, and the production test efficiency is improved.

The invention relates to the field of product testing, in particular to an efficient production testing method, device and system for TBOX testing. The method comprises the following steps: selecting a plurality of TBOXs for communication connection; sorting the test items to obtain an item sequence; testing each TBOX item by item according to the item sequence to obtain an individual result of each TBOX; simultaneously testing all TBOXs item by item according to the item sequence to obtain an overall result; performing communication quality comparison on each test item according to the overall result and the individual result of each TBOX to obtain an interference value of each test item; adjusting the sequence of the test items in the item sequence according to the interference value of each test item to obtain a plurality of test sequences; according to the test sequence, the test routes are set differently; and carrying out yield test on the TBOX by adopting a test route. According to the invention, the problem that the efficiency and the quality of the TBOX cannot be considered in the production and measurement process is solved.

The utility model discloses a ball valve housing sealing pressure test bench, and specifically relates to the valve production test field, comprising a test pool, one side of the bottom of the test pool is provided with a water inlet and outlet hole, one side of the test pool is provided with a support column, the top of the support column is connected with an air inflation tank, and the air inflation tank is connected with the air inflation tank. Two sets of connecting protruding blocks are arranged on the sides, close to the testing pool, of the tops of the supporting stand columns, a detection connecting frame is connected between the two sets of connecting protruding blocks, the detection connecting frame is in a U shape, air cylinder mounting blocks are arranged on the inner side of an opening of the detection connecting frame, and a clamping air cylinder is connected between the two sets of air cylinder mounting blocks through buckles. A fixed clamping block is arranged on the inner side of the end, away from the clamping air cylinder, of the detection connecting frame, and a clamping rotary disc is slidably connected to the inner side of the detection connecting frame. According to the utility model, when the sealing performance of the ball valve housing is detected, the switch of the valve can be automatically turned on and off, the detection result is obvious, and the air leakage part is easy to observe.

The invention discloses a composite limit test control method and device for a source table. The method comprises the following steps: firstly, responding to a digital trigger signal to initialize a source table test system, and setting test working parameters and limit test group parameters; then, the currently obtained measurement data is sequentially compared with each limiting test group parameter to obtain a comparison result; executing a limiting test comparison process according to the enabling starting state identified by the obtained comparison result; and finally, outputting a test result signal corresponding to each limiting test group parameter. Due to the fact that the source meter is changed from a single measuring instrument to an intelligent testing and control node on a production line, real-time data analysis and decision making are achieved through composite limitation, seamless linkage with the production line is achieved through output testing result signals, and finally full-automatic, high-efficiency and high-reliability production testing and sorting are achieved.

The present invention discloses a satellite batch automated test system and its implementation method. The system is based on a B / S architecture and includes: a main test data processing center for parsing, interpreting, monitoring, processing and storing data, forwarding instructions to the front-end management according to authority, and providing data subscription services for application terminals; a test console for testing implementation and operation control; front-end management for connection management between the system and the front-end equipment; application terminals for system management, data maintenance management and real-time data monitoring of satellites across models; a data center for data access; a monitoring center for an overview of the system operation status and server hardware management; an equipment service cluster for starting ground equipment associated with the satellite, receiving on-board and ground instructions, sending them to the corresponding equipment, and returning success or failure information. The present invention can simultaneously meet the satellite short-cycle, low-cost, high-efficiency, and batch production test requirements.

The invention discloses a test machine monitoring method and system, computer equipment and a storage medium, and the method comprises the steps: obtaining machine correction data sent by all test machines, the machine correction data comprising a machine ID, coefficient correction data and a chip type ID, the coefficient correction data is a comparison correction result of the test data of the corresponding test machine and the standard data; pairing the chip type ID with a preset type database to obtain a preset threshold range group of a corresponding type; whether the coefficient correction data is within a preset threshold range group is judged, if yes, a production test instruction is sent to a corresponding test machine according to the machine ID, so that the test machine performs production test work according to the coefficient correction data, and if not, the test machine is controlled to give an alarm. According to the invention, the machine checking and correcting work of all testing machines can be monitored, and the accuracy of the machine checking and correcting work is improved, so that the production quality and the production efficiency are improved, and the burden of manual monitoring is reduced.

The invention discloses a rapid connection testing device for a printed circuit assembly board, and aims to solve the problems of high cost, low connection density, large occupied space, tedious operation and the like in the existing testing technology. The device comprises a quick-connection probe module, a positioning tray and a pull pin, the quick-connection probe module comprises a quick-connection probe seat module, a protective cover module and a spring, positioning and locking are realized by multiplexing existing mounting holes of a to-be-tested PCB, electrical connection is realized by utilizing contact of a spring probe and a test point, a quick-connection positioning guide sleeve, a lock bead and a quick-connection ring are combined to form a quick locking / unlocking structure, and the quick-connection probe seat module and the protective cover module are connected with the pull pin. The conductive bushing and the grounding support ring form a grounding loop in cooperation with auxiliary positioning of the guide pin. A special test connector is omitted, so that the material cost is reduced; the connection density and the signal rate are improved, and the PCB space is saved; the operation efficiency is improved through the quick connection structure, and the device is suitable for efficient mass production testing.

The invention discloses a testing system and method, electronic equipment, a storage medium and a product, and relates to the technical field of testing, and the testing system comprises a to-be-tested board, the electronic equipment and a conversion device; the to-be-tested board is in communication connection with the electronic equipment, and the to-be-tested board is provided with a memory disk slot; the electronic equipment is in communication connection with the conversion device and is used for sending a debugging instruction; the conversion device is connected with the to-be-tested board through the memory disk slot, the conversion device is used for converting the preset memory into a target memory disk according to the debugging instruction so as to test the to-be-tested board, and the target memory disk is a computing high-speed interconnection memory disk. The technical problem that the cost is high in the prior art is solved, the preset memory is converted into the computing high-speed interconnection memory, and the to-be-tested board is tested by using the target memory disk, so that the technical effect of reducing the production test cost during the production test is achieved.

The invention discloses a heat dissipation performance evaluation method and system for a backlight source. The backlight module is powered on in a first test period, a module infrared image is obtained, color features are extracted based on a color histogram, and backlight sub-regions are divided by adopting agglomeration hierarchical clustering; in the second test period, the sub-regions and the whole are electrified respectively, RGB color features and temperature differences of two tests are extracted, color feature differences and temperature differences are calculated, the heat dissipation index of each region is evaluated, and the index can comprehensively reflect the heat dissipation performance of different regions and effectively guide the backlight module to carry out structure adjustment and production optimization; and the production test efficiency and the performance evaluation accuracy are improved.

The utility model relates to the field of solid state disk production testing equipment, and discloses solid state disk testing equipment, which comprises a solid state disk testing machine provided with a plurality of testing ports, a testing substrate, a solid state disk limiting mechanism, a plugging driving mechanism and a plurality of testing plugging heads, the test substrate is used for fixing the solid state disk limiting mechanism and the plug-in driving mechanism, and the solid state disk limiting mechanism is located on one side of the plug-in driving mechanism and can limit a plurality of stacked solid state disks so that sockets of the solid state disks can correspond to the plug-in driving mechanism. The plurality of test plugs are horizontally and fixedly arranged on the plug driving mechanism in an independently detachable manner and are respectively connected with a plurality of test ports on the solid state disk test machine, and the plurality of test plugs are correspondingly arranged up and down and are driven by the plug driving mechanism to perform plug operation with the solid state disk limited in the solid state disk limiting mechanism. A plurality of solid state disks can be subjected to loading test or unloading at one time, the operation is simple and rapid, the efficiency is high, and the test stability is high.

The utility model belongs to the technical field of computer production testing, and particularly relates to a computer button durability testing device which comprises a vertical plate and a counting assembly, a base assembly is arranged at the bottom of the vertical plate, a fixing block is fixed in the middle of the rear outer wall of the bottom end of the vertical plate, and positioning knobs are in threaded connection with the rear outer wall of the bottom end of the vertical plate in a bilateral symmetry mode. A driving motor is fixedly installed on the outer wall of the middle of the rear portion of the vertical plate, an oval block is fixedly connected to the output end of the driving motor, a counting assembly is fixedly installed in front of the top of the vertical plate, guide rods are fixed to the outer wall of the front portion of the vertical plate in a bilateral symmetry mode, and movable plates are symmetrically arranged on the outer sides of the upper end and the lower end of each guide rod in a sliding mode; a spring is arranged on the outer side of the middle of the guide rod, and the two ends of the spring are fixedly connected with the two movable plates correspondingly. According to the utility model, the pressing column and the isolation plate are synchronously adjusted, so that the counting accuracy can be ensured, the condition of excessive reading or insufficient reading is avoided, and the reliability of a test result is higher.

The invention relates to the technical field of oil and gas well oil testing and production testing, in particular to a gas well liquid production profile and underground television integrated testing tubular column and a testing method.The gas well liquid production profile and underground television integrated testing tubular column comprises a photoelectric composite cable, a continuous oil pipe, a centralizer, a check valve, a light source and an underground television terminal, and the continuous oil pipe, the centralizer, the check valve, the light source and the underground television terminal are sequentially connected together from top to bottom; a plurality of circulating well washing nozzles are arranged on the outer side of the check valve at intervals, the lower end of the photoelectric composite cable sequentially penetrates through the coiled tubing, the centralizer and the check valve and then is connected with the light source and the underground television terminal, and the photoelectric composite cable can collect temperature data and sound data. The device is reasonable and compact in structure, collection of liquid production profile data and monitoring of the opening condition of each perforation cluster are completed through one test tubular column, and the problems that the construction period is long and the cost is high when gas well liquid production profile monitoring and underground television perforation monitoring after fracturing are conducted respectively are solved; and powerful guidance is provided for reservoir and fracturing effect evaluation and fracturing scheme optimization.

The invention belongs to the technical field of production testing in the manufacturing industry, and particularly discloses a production testing system and method based on the manufacturing industry, a terminal and a medium, and the system comprises a back-end service layer which is in communication connection with a front-end service layer for information interaction, dividing the business logic of the production test into a plurality of business modules which can be independently managed through a module registration mechanism; the equipment interaction layer comprises an equipment driving interface, at least one equipment driving plug-in and an equipment communication unit; and the system integration layer is used for carrying out information exchange with a manufacturing execution type service system through a standardized data interaction mode so as to obtain and send the production test data. Test data is aligned with a manufacturing execution type business system through a standardized data interaction mode, connection between a production test link and manufacturing process management is realized, and the overall cooperative capability of a production line is improved.

The invention discloses a solid state disk testing method and device for big data storage and a storage medium, and relates to the technical field of big data storage.The method includes the steps that multi-dimensional production testing of covering components, processes, functions and reliability is executed, the result is subjected to digital scoring, and the comprehensive quality score Qtotal is calculated based on the preset weight; further extracting a production sample to be verified on a benchmark test platform for simulating actual application of a customer, establishing a sample library for marking customer standard conformity states and corresponding Qtotal and sub-item data, accurately aligning internal test standards with actual requirements of the customer in a data driving mode, dynamically adjusting test parameters through statistical modeling and algorithm iteration, and finally obtaining the standard conformity state of the customer. Therefore, the over-test problem is scientifically quantified and optimized, on the premise of ensuring that the solid state disk meets the real reliability requirement of a client, excessive elimination is remarkably reduced, the test cost and time are reduced, and self-adaptive balance of the production test standard between economical efficiency and reliability is achieved.

A two-stage test process for testing IC packages having integrated launchers includes a first stage in which an RF-accurate test process is used to perform RF-accurate tests on a sample set of IC packages to obtain RF-accurate test results and a loop-back test process is performed to obtain loop-back test results. Test characterization data is obtained by comparing the RF-accurate test results to the loop-back test results. In a second stage, larger-scale testing is performed solely with the loop-back test process, and the loop-back test results for each tested IC package are compared with the test characterization data to characterize the test operation of the tested IC package. The loop-back test process can employ a test jig employing a PCB-mounted or PCB-integrated loop-back structure for relatively rapid test setup and test processing.

The invention discloses a vehicle-mounted charger performance testing method and system, and belongs to the field of electronic product manufacturing and automatic testing, and the method comprises the steps: collecting initial parameters of a charger interface to generate an alignment driving instruction; performing docking based on the driving instruction and performing dual verification to obtain a connection result; starting multi-channel detection to generate performance data after successful connection; and finally, based on the performance data, performing intelligent judgment and generating a differential processing instruction. According to the method, virtual simulation and a machine learning model are combined, and a causal analysis and feedback optimization closed loop from a physical process risk to a final quality result is constructed, so that full-process automation and intelligent control of a test process can be realized, and the first pass yield, reliability and intelligent level of a vehicle-mounted charger production test are remarkably improved.

The invention provides a sandstone reservoir oil-water layer logging identification method and system, and belongs to the field of reservoir evaluation. According to the method, an identification plate is obtained according to oil testing and production testing data and gas logging data, and then the fluid type of a reservoir to be identified is identified through the identification plate. According to the method, a conventional gas logging technology is adopted, new technical means and measurement time do not need to be added, the fluid type of the sandstone reservoir can be simply, conveniently and rapidly recognized based on deep excavation of gas logging data, the recognition coincidence rate is increased, a basis is provided for exploration and development decision and benefit development, and the method has the advantages of being economical, real-time, accurate and the like and has good application prospects. The popularization and application prospects are wide.

A networking method of a TBOX device based on an eSIM, the TBOX device and a storage medium wherein the TBOX device comprises an eSIM card having a test code number, due to the use of the eSIM card, the number and the card can be separated, and the code number can be dynamically switched. In the production stage, when the function test of the TBOX equipment is carried out, the test code number is used for networking test, and the test code number can use the code number of a producer operator; when a service code number downloading instruction is received, the test code number is used for carrying out network stationing operation to determine the area where the TBOX equipment is located currently, and the local service code number of the area where the TBOX equipment is located currently is downloaded to the eSIM card, so that the code number can be dynamically switched into the service code number of the use place in the use stage, and the local network is connected. The problem that the production test cost is too high due to high roaming fee is solved, meanwhile, the test work in the production stage can be completed only by using a single test code number or a small number of test code numbers, and the number of SKUs of TBOX equipment is reduced.

This invention discloses a composite testing device for the interface connection strength of a gas meter housing, relating to the field of gas meter manufacturing and testing technology. In existing technologies, after the gas meter housing is manufactured, it needs to be transferred to specific equipment for interface pull-out and torsion testing, both typically performed on separate equipment, resulting in low efficiency. The composite testing device provided by this invention is integrally mounted on the fixed pressure plate of a stamping and riveting equipment, comprising: a clamping structure including a clamping cylinder and a clamping linkage assembly, the clamping linkage assembly including a wedge-shaped push block and two clamping parts, the clamping parts having arc-shaped clamping portions for clamping and fixing the interface; a pull-out testing structure applying a straight load at the interface for pull-out strength testing; and a torsion testing structure applying a torsional load to the clamping structure for torsional strength testing. This invention enables direct strength testing after stamping and riveting, eliminating the step of disassembly and reinstallation, improving production testing efficiency, and reducing production costs.

The invention relates to the technical field of oil and gas well oil testing and production testing, in particular to an oil-producing horizontal well fluid production profile and underground television integrated testing system which comprises the following steps that firstly, sand, scraps and crude oil in a shaft are cleaned, clear water is injected into the shaft, and then the well is closed; 2, testing pipe columns are installed together, wherein each testing pipe column comprises a multi-core cable, a coiled tubing, an array probe output profile logging instrument, a centralizer, a check valve, a light source and an underground television terminal, and the coiled tubing, the array probe output profile logging instrument, the centralizer, the check valve, the light source and the underground television terminal are sequentially connected together from top to bottom. The testing tubular column can complete two kinds of testing work after entering a well once, the precision of an interpretation result is improved, and the problems that the construction period is long and the cost is high when oil-producing horizontal well liquid production profile monitoring and underground television terminal hole monitoring are conducted after fracturing are conducted respectively are solved; according to the opening condition of each perforation cluster and fluid production profile data monitored by the underground television terminal, the reservoir and fracturing effect is comprehensively analyzed, and a basis is provided for reservoir and fracturing effect evaluation and fracturing scheme optimization.

The application provides a device testing method, a computer program product and an electronic device, wherein the device testing method applied to a device under test comprises the following steps: after being connected with a server in a mobile communication mode, reading identification information corresponding to a testing device stored in a mobile storage device; and sending the identification information and device information corresponding to the local device to the server, so that the testing device queries the device information corresponding to the identification information, and tests the device under test according to the device information. In the above scheme, the identification information of the testing device can be synchronized to the device under test by using an external mobile storage device, so that the connection relationship can be quickly established through the identification information, and production testing can be realized. Therefore, the device testing method provided by the embodiment of the application can improve the testing efficiency. In addition, the device testing method provided by the embodiment of the application also facilitates parallel testing of multiple production lines.

The utility model relates to a main control board production testing jig. The utility model relates to a main control board production test jig, which is used for carrying out performance detection on a main control board and comprises a test mechanism, a detection mechanism and a control mechanism, and is characterized in that the test mechanism is provided with an electric box, a test board and a plurality of detection structures; the plurality of detection structures are integrated on the electric box; the test board is arranged above the electric box and is used for supporting the main control board; the fixing mechanism is fixedly connected to the electric box; the fixing mechanism is provided with a pressing plate, and the pressing plate is arranged above the test board and is used for pressing the main control board towards the direction of the electric box to realize current or signal conduction connection; the trigger structure comprises a trigger switch and a pressing block which are oppositely arranged, and when the pressing block abuts against the trigger switch, power supply to the main control board is achieved. According to the production testing jig, the travel of the integrated power supply is automatically controlled, the jig is triggered by the mechanical switch to switch on and off the main control board, and the safety and the stability of the production testing process are further improved.

The invention discloses a function test system, method and device for an MEMS pressure sensor, and the system comprises a production test device which comprises a production test sealing chamber; the production test input pneumatic port is used for being pneumatically connected with a target pressure instrument for pressure input; the production test detection pneumatic port is used for being pneumatically connected with an MEMS pressure sensor for pressure detection; the function test equipment is used for collecting the detected pressure data from the MEMS pressure sensor and carrying out function test according to the pressure data to obtain a function test result; the production test microcontroller is used for triggering the function test equipment to synchronously collect pressure data with the pressure input; and the data analysis module is used for acquiring and associating the verification result and the function test result, so that the test synchronism and the data relevance are optimized, the test result has a traceable measurement basis, the fault traceability and problem positioning efficiency is improved, and the test data credibility is improved.