292 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 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 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 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 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.

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.

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 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 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.

The invention relates to the technical field of communication, in particular to an intelligent weighing Bluetooth module production test system. Comprising the following steps: S1, a control end burns a Bluetooth module to a weighing measurer through a burner, and distributes configuration data to the weighing measurer; s2, the control end detects the burning information of the weighing measurer and stores the burning information of each weighing measurer; s3, the weight measurer collects weighing data and uploads the weighing data to the control end; and S4, the control end verifies the weighing data and stores the weighing data in a database. The technical problems that a traditional manual testing method in the related technology is time-consuming and labor-consuming, human errors are prone to occurring, and the requirement of large-scale production cannot be met are solved.

The application provides a new energy vehicle optimization online method, system, device and storage medium, which comprises the following steps: storing device number information into a basic configuration file of a T-Box terminal through a production test tool, sending the device number information to a new energy platform, adding an online number corresponding to the device number information in the device management of the new energy platform, judging whether the T-Box terminal can collect a vehicle identification code of a vehicle through CAN, if the T-Box terminal can collect the vehicle identification code through CAN, sending the vehicle identification code and the device number information to the new energy platform through a registration protocol, otherwise adding an on-board diagnostic instruction in the basic configuration file, the on-board diagnostic instruction containing frame number parameter information, reading the frame number parameter information in the on-board diagnostic instruction by the T-Box terminal, sending the vehicle identification code and the device number information to the new energy platform through the registration protocol, and performing vehicle online according to the vehicle identification code and the device number information by the new energy platform. The vehicle is automatically online on the new energy platform.

1. The name of this design product: Auxiliary test copper bar device. 2. Purpose of this design product: A device used to assist in testing copper bars during the production and testing of new energy vehicle control boxes. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The utility model discloses a horizontal push-pull structure for quickly and accurately positioning a tested interface, which comprises a bottom plate, a socket is arranged on the bottom plate, a connecting mechanism is arranged on the bottom plate, and the connecting mechanism can perform horizontal push-pull connection for quickly and accurately positioning the tested interface; the connecting mechanism comprises a supporting plate, a first positioning column and a second positioning column, and the supporting plate is installed on the bottom plate through the first positioning column and the second positioning column. The problem that the interface is damaged due to the fact that insertion is not in place and the insertion force is too large is solved, the interface and the test accompanying PCIE card can be rapidly and accurately connected, damage to the interface is greatly reduced, resource waste caused by secondary maintenance is avoided, and the efficiency of interface production testing is greatly improved.

The invention relates to the technical field of cable branch boxes, in particular to a cable branch box and production test equipment thereof.The cable branch box comprises a cabinet body, a hole channel communicated with an inner cavity of the cabinet body is formed in the bottom end of the cabinet body, and a base plate is fixedly arranged on the peripheral side face of the cabinet body and can be matched with special test equipment for diversified detection; the production test equipment comprises a rack, an intermittent impact mechanism and a lifting transposition mechanism are installed at the two ends of the rack respectively, a linkage assembly is installed at the bottom of the rack, the intermittent impact mechanism is composed of a rotation part and an impact part, and the linkage assembly is used for driving the rotation part and the lifting transposition mechanism to rotate periodically. According to the cabinet body impact test device, impact tests can be sequentially carried out on four side surfaces of the cabinet body at different heights, and the change of the pressure state in the cabinet body can be controlled according to the change of the descending height, so that impact tests can be sequentially carried out on the cabinet body under the conditions of normal pressure, high pressure and negative pressure, the purpose of one machine with multiple purposes is achieved, and the applicability of the equipment is improved.

The invention provides a multi-link test control system and method. The system comprises a link control module, a link switch module, a plurality of test links used for being connected with an upper computer and a plurality of interfaces used for being connected with to-be-tested equipment. Wherein the link control module is used for acquiring a link control instruction issued by an upper computer, and sending a control signal to the link switch module based on the link control instruction; the link switch module is used for controlling a target test link in the test links and a target interface in the interfaces connected with the to-be-tested equipment to be connected or disconnected based on the control signal; and the test link is used for transmitting test data sent by an upper computer to the to-be-tested equipment when the test link is connected with the target interface so as to test the to-be-tested equipment. According to the invention, the technical problems of high cost, large occupied space and low resource reuse rate of single link test in the functional test and production test scenes of the existing vehicle-mounted Ethernet product are effectively solved.

The invention discloses a semiconductor chip testing device which comprises a machine frame, a stock bin assembly, a feeding and discharging assembly and a testing assembly. The stock bin assembly, the feeding and discharging assembly and the testing assembly are installed on the machine frame. A testing plate communicating with an upper computer and a chip carrying plate electrically connected with the testing plate are sequentially arranged above a testing carrying plate. A plurality of chip seats are arranged on the upper surface, opposite to the test plate, of the chip carrier plate, a plurality of pressure heads corresponding to the chip seats are arranged on the lower surface of a pressure plate arranged above the chip carrier plate, the plurality of pressure heads are arranged to form at least two pressure head rows, the plurality of pressure heads in each pressure head row are arranged at intervals along the X direction, and the plurality of pressure heads correspond to the chip seats. A strip-shaped through hole extending in the X direction is formed in the position, located between any two adjacent pressing head rows, of the upper surface of the pressing plate. According to the invention, batch testing of multiple chips is realized, the stress stability and consistency of the chips in the whole testing process can be ensured, the production testing efficiency can be improved, and the testing precision can be ensured.

The utility model relates to the technical field of folding storage stool production testing, in particular to a folding storage stool production testing device which comprises a lifting frame, a driving motor is arranged at the top end of the lifting frame, a bottom frame is fixedly connected to the bottom end of the front face of the lifting frame, and a top frame is fixedly connected to the bottom end of the front face of the lifting frame. The interior of the bottom frame is movably connected with a first lifting disc, and the interior of the first lifting disc is movably connected with a supporting base. Through the arrangement of the lifting frame, the driving motor, the bottom frame, the top frame, the first lifting disc, the supporting base, an air control pump machine, a second lifting disc, a lifting sliding frame, a lead screw shaft sleeve, a connecting plug, a back shore air bag, a lifting sliding groove and a lifting lead screw, the equipment can carry out simulation test operation of folding storage stool production and normal folding use of a stool body; in the actual using process, a worker firstly places the folding storage stool needing to be detected on the first lifting disc and the supporting base, and then the driving motor at the top end of the lifting frame is started.

The test board component protection cover plate comprises a first cover plate and a second cover plate, the first cover plate is provided with a plurality of first through holes, and the first through holes correspond to test board surface components and socket installation areas; the second cover plate is provided with a plurality of second through holes, and the second through holes correspond to the socket installation areas. The first cover plate is used for covering the test plate, and the second cover plate is used for the first cover plate. The two cover plates which can be overlapped and covered are arranged, only the first cover plate is provided with the through hole corresponding to the component, the corresponding through hole is formed in the corresponding socket installation area, all the components are covered through overlapping, only the socket installation area is reserved, the components on the test board are effectively prevented from being scratched and falling off, and the efficiency and safety of chip mass production testing are improved; the device is simple in structure and convenient to use, and has very high practicability and wide applicability.

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 provides a batch test closed-loop system and method for SoC array server topology collaboration, belongs to the technical field of SoC array server production test, and aims to solve the problems that in a traditional SoC array server test, operation is needed one by one, batch test is difficult, abnormity is not recorded, and machine type adaptation is prone to errors. According to the scheme, a batch test closed-loop system comprising eight modules including a front-end interaction module, a server management module and a task scheduling engine module is constructed, server information is obtained and configured in batches through the server management module, resource conflicts and fault diffusion are dynamically processed through the task scheduling engine, a test execution module asynchronously executes a customizable test plan, and the test efficiency is improved. The topology verification module verifies configuration in a cross-device mode, the exception processing module accurately processes exceptions, and the report generation and data archiving module completes result output and storage. According to the system, full-process collaborative control of the test is realized, the test systematicness and adaptability are improved, the server test reliability is guaranteed, and manual operation and configuration errors are reduced.

The invention provides a Matter equipment automatic testing method and system based on cloud edge collaboration, and belongs to the technical field of Internet of Things equipment testing. The method aims at solving the problems that in the prior art, Matter equipment production testing depends on manual work, efficiency is low, burning and testing processes are disjointed, and missing detection risks exist. The method comprises the steps that a cloud service creates and distributes burning batches and test cases; the burning client obtains the task from the edge service, carries out burning on the Matter equipment and reports a result; after receiving the burning result, the edge service automatically triggers a test agent to test the equipment; and the test agent executes the test and reports a result to the edge service. The invention also provides a system for realizing the method. According to the method and the device, automatic closed loop of burning and testing processes is realized, 'burning is testing 'is realized, the risk of missing detection is avoided, and the testing efficiency, the standard uniformity and the system expansibility are improved by utilizing the cloud edge collaborative architecture.