1058 results about "Product testing" patented technology

The invention relates to the technical field of data processing, in particular to a product testing method and system based on an AI large model and machine learning, and the method comprises the steps: collecting product testing data, sequentially carrying out the cleaning, merging and conversion of the product testing data, and outputting optimized data, extracting features of the optimized data by using a machine learning algorithm, and training an original model by using the features to output an AI large model; updating the AI large model by using newly collected product test data, and predicting a test result of the product by using the AI large model to output a prediction result; determining the stability of the product test based on the packet loss rate of the product test data; if the stability of the product test does not meet the requirement, adjusting the transmission rate of the product test data; and if the training effectiveness does not meet the requirement, adjusting the learning rate of the AI large model. According to the invention, the stability of product testing is improved.

The invention relates to the technical field of product test data management, and discloses a product test data storage and management system based on an MES system. The system comprises a dynamic configuration module which can use a self-adaptive parameter adjustment algorithm to configure data acquisition parameters according to experiment types; the closed-loop feedback module is used for binding experimental data with production batches and process parameters based on a real-time association algorithm; the two-stage verification module is used for detecting data exception through a double-layer cascade verification algorithm; and the intelligent storage module is used for generating hierarchical storage labels by using a multi-dimensional structured coding algorithm. In addition, the system integration module realizes data interaction with ERP and SCADA systems based on an interface adaptation algorithm. The system solves the problems that in a traditional data management mode, collection parameters are fixed, data relevance is poor, a verification mechanism is imperfect, storage and retrieval are inconvenient and the like, data can be efficiently collected, accurately associated, strictly verified and intelligently stored, and the enterprise data management level and production competitiveness are improved.

The identification card testing and marking system comprises an upper frame, a lower frame, a robot module, a shuttling module, an RFID reader-writer, a testing whole line, an NG discharging module and a feeding and discharging machine, the lower frame is matched with the upper frame and provided with a table top and a clamping position, the feeding and discharging machine is arranged in the clamping position, other assemblies are arranged on the table top, and the robot module, the shuttling module, the RFID reader-writer, the testing whole line, the NG discharging module and the feeding and discharging machine are arranged on the table top. The shuttling module transports an identification card to a grabbing position of the robot module, the robot module grabs the identification card to the RFID reader-writer to read information, and the whole test line carries out first posture test, screen detection, product overturning, RFID distance test, second posture detection, product marking and product caching on the identification card; and the robot module grabs the cached identification cards which are tested to be qualified to the feeding and discharging machine for discharging, and grabs the cached identification cards which are tested to be unqualified to the NG discharging module for discharging. According to the invention, identification card function detection and finished product marking and blanking functions are integrated, and the product testing and marking efficiency and the qualified rate are improved.

The invention relates to the technical field of electromagnetic compatibility conducted immunity testing, and discloses an electromagnetic compatibility conducted immunity calibration system and method, and the system comprises a signal generation module, a coupling and decoupling network adaptive assembly system, a calibration load access system, an auxiliary equipment terminating system, and a grounding protection system. The method can adapt to different types of coupling and decoupling networks, normalizes the calibration process, reduces the calibration uncertainty, and reduces the introduced uncertainty by 17.9% compared with a conventional method. The invention further discloses an automatic calibration method, the calibration process of conduction immunity is optimized, the initial level can be set through an algorithm, the target level addressing time can be reduced, the calibration time can be shortened, the effective detection time proportion can be improved, and various parameters of an actually measured product are embedded in all links of the calibration process, so that the calibration accuracy is improved. The device can better simulate the testing process of an actually measured product, and improves the calibration accuracy and applicability.

The invention discloses a multi-task parallel test method for a multi-station FCT test system, and relates to the technical field of parallel tests.The method comprises the steps that a plurality of target PCBA products are loaded to corresponding stations on a needle bed respectively, and starting signals are obtained; scanning the target PCBA product to obtain a plurality of pieces of production work order information and a plurality of test programs; executing a plurality of test programs to obtain a plurality of test signal sets; carrying out test qualification authentication; load working signals are collected; and judging whether the plurality of load working signal feature sets meet a preset requirement or not, and displaying a qualified station of the product test through a machine indicator lamp. The technical problems that PCBA product testing efficiency is low, accuracy is difficult to guarantee and product quality control is not comprehensive in the prior art are solved, and the technical effects that the efficient process of conducting product testing at multiple stations at the same time is achieved, the testing efficiency and accuracy are improved, and the product quality is effectively guaranteed are achieved.

The invention relates to the field of product testing, in particular to a signal processor testing device which achieves comprehensive testing of products and improves accuracy and efficiency in the comprehensive testing process. According to the scheme, the device comprises a measurement and control unit, a clock generation unit, a communication interface test unit, a high-speed AD test unit, a DDS waveform test unit, a gating pulse test unit, a bit instruction test unit and an interface unit, the communication interface test unit, the high-speed AD test unit, the DDS waveform test unit, the gating pulse test unit and the bit instruction test unit are connected between the measurement and control unit and the interface unit, the clock generation unit is connected with the interface unit, and the interface unit is connected with a product to be tested. And the measurement and control unit is used for receiving the MES task, controlling the test software and the test instrument to test the to-be-tested product, completing acquisition and uploading of test data, and performing DSP or FPGA software burning and debugging on the to-be-tested product. The method is suitable for comprehensive testing of products.

According to the automatic test error-proofing detection method and detection system disclosed by the invention, after a test instruction is received, verification requests generated by bar codes of a needle bed upper mold and a needle bed lower mold are received; sending to a selected product test program to judge whether the needle bed upper die and the needle bed lower die and whether the needle bed name is matched with the current product test program or not; if not, stopping the test, otherwise, after the to-be-tested product is placed in place, receiving a serial number of the to-be-tested product generated by the bar code of the to-be-tested product, and querying and obtaining internal card binding information of the corresponding to-be-tested product; controlling the test tool to start and electrify the to-be-tested product, acquiring identity information of an internal clamping piece actually mounted in the to-be-tested product, comparing the identity information with inquired binding information of the internal clamping piece, if the identity information is consistent with the binding information of the internal clamping piece, carrying out subsequent function test, otherwise, sending error information of the internal clamping piece, and controlling the test tool to pull open an upper die and a lower die of the needle bed; therefore, automatic error-proofing detection of each module test of the industrial control system is realized.

The invention relates to the technical field of electronic product testing, in particular to an electronic equipment product dustproof testing device and method.The electronic equipment product dustproof testing device comprises an air blowing structure, a supporting frame and a box, the supporting frame is fixed to the bottom of the box, the air blowing structure is communicated with the box, the electronic equipment product dustproof testing device further comprises a discharging assembly and a replacement cavity, and the discharging assembly comprises a supporting table and a driving part; the supporting table is slidably arranged in the box body; the driving piece is used for driving the supporting table to move; the replacement cavity comprises a baffle and a replacement shell, the replacement shell is fixed to one side of the box body, and the baffle is arranged in the replacement shell in a sliding mode and used for sealing an opening between the replacement shell and the box body; the supporting table is further provided with a sealing plate, and the sealing plate is used for sealing the opening after the baffle is pushed away. Therefore, the contact time and the contact area of the product and the outside can be greatly reduced when the product is moved, the disturbance to the test environment is reduced, and the next test can be carried out more quickly.

The invention belongs to the technical field of electromagnetic compatibility design, and particularly relates to an electromagnetic compatibility design method for airborne electronic equipment, which is used for quickly positioning an electromagnetic standard exceeding circuit in an electromagnetic compatibility design stage of the airborne electronic equipment. According to the method, the complete machine-level electromagnetic compatibility can be rapidly analyzed in the prototype sample stage of the airborne electronic product, and the design is effectively optimized. The electromagnetic compatibility design method for the complete machine-level airborne electronic equipment combining the far field and the near field is short in analysis and verification time, and the electromagnetic compatibility design efficiency of the airborne electronic equipment and the passing rate of product test authentication are effectively 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.

Provided is a method for heat diffusion test of a completed new energy vehicle. 【Solution means】 The method of the present invention includes the steps of: performing initial modification on the battery system, triggering the battery pack to generate thermal runaway, and monitoring the state change of the battery system; performing video capture on the vehicle after thermal runaway by a video capture device, and monitoring the presence or absence and corresponding time of smoke emission, ignition, and explosion inside and outside the vehicle passenger compartment and the battery; collecting the surface temperature data of the contact objects in the passenger compartment, the gas concentration data of the high-temperature exhaust smoke in the passenger compartment, and the temperature data of the high-temperature exhaust smoke, and comparing the surface temperature data, gas concentration data, and temperature data of the high-temperature exhaust smoke of the contact objects in the passenger compartment with the corresponding safety standards, and evaluating the heat diffusion ability of the completed vehicle of the vehicle from the comparison results. The present invention provides a basis and guidance for actual product testing, and improves the safety and reliability of the verified product.

The invention discloses a flexible electronic product testing device, and the device comprises a vertical impact module which comprises a pedestal, a felt seat on the pedestal, an impactor, a transmission mechanism, and a driving mechanism connected with the transmission mechanism; wherein the base and the felt seat are of an integrated structure; a hollow area is arranged in the felt seat, a columnar impact contact area is arranged at the top of the felt seat, and the impact contact area protrudes out of the top of the felt seat; the temperature and bending loading module is located below the impactor and comprises a temperature box and a curved surface structure body, and the temperature box comprises a hollow area of a felt base; the curved-surface structural body is fixed at the position, close to the curved-surface structural body, of the hollow area of the felt seat and covers the impact contact area; and the automatic control and monitoring module is used for acquiring a monitoring signal and outputting a control signal. Through the comprehensive design of the bending loading module and the temperature applying, automatic control and monitoring module in the device, the integrated impact, temperature and bending comprehensive loading test is realized, and the device is more suitable for the complex service scene of the flexible electronic device.

The invention discloses multi-Pitch adjustable four-side needle inserting equipment, and aims to provide the multi-Pitch adjustable four-side needle inserting equipment which is simple in structure, is provided with an independent adjusting mechanism and is matched with a visual positioning system for multi-side independent adjustable probe testing. The device comprises a machine table, four probe adjusting modules and a conveying correction module, the four probe adjusting modules are arranged at the upper end of the machine table, the conveying correction module is arranged at the lower end of the machine table, and a lower probe avoiding opening is formed in the upper end of the machine table. And the probe ends of the four groups of probe adjusting modules are respectively matched with corresponding lower probe positions on a product on the conveying and correcting module through the lower probe avoiding openings. The method is applied to the technical field of product testing.

The present invention discloses a linkage-type adapter needle testing mechanism, which aims to provide a linkage-type adapter needle testing mechanism with a simple structure, in which various pressure heads are linked and pressed in different time sequences to realize different functions, and then the scattered signals are integrated together through multi-level signal switching, and multiple groups of products can be tested simultaneously, so as to provide a more efficient linkage-type adapter needle testing mechanism. The present invention includes a pressure plate assembly, a carrier plate assembly and a needle plate assembly, wherein the carrier plate assembly includes a carrier plate bottom plate and a plurality of product carriers, the pressure plate assembly includes a pressure plate, a floating plate and a plurality of pressure head modules, the needle plate assembly includes a needle plate base, a plurality of side-push needle modules, a plurality of adapter needle modules and a plurality of probe modules, and the plurality of pressure plate assemblies drive the plurality of side-push needle modules, the adapter needle modules and the probe modules to cooperate with the products on the product carriers. The present invention is applied to the technical field of product testing.

The invention relates to the technical field of vehicle control and test, and discloses a chassis domain controller test and calibration system based on machine learning. The system is based on a machine learning technology and comprises a data acquisition unit, a calculation unit, a driving simulation unit, a test vehicle and a user interaction unit. The whole process of data acquisition, test scene design, test condition simulation, controller product test and vehicle calibration is intelligentized, the test efficiency can be greatly improved, the test cost can be reduced, the test consistency can be guaranteed, and the reliability and safety of the product can be improved.

The invention relates to a product test repairing method and system, and relates to the technical field of product testing, and the method comprises the steps: obtaining a test position and a test parameter; when the test parameter is inconsistent with the reference parameter, defining the test position as an abnormal position, and calculating the difference between the test parameter and the reference parameter as an abnormal parameter; when the abnormal parameter is a positive value, controlling the cutting device to cut according to the abnormal parameter according to the test position; according to the abnormal parameters, air suction power is determined, and a recovery device is controlled to recover the cut materials; when the abnormal parameter is a negative value, the specification of the recycled material is obtained; determining whether the recycled material specification is greater than the abnormal specification; if yes, the splicing shape is determined according to the specification of the recycled material; controlling a repairing device to repair according to the splicing shape and the abnormal position; and if not, controlling the repairing device to repair according to the repairing material, controlling the polishing device to polish the product and obtaining the test parameters again. The method has the effect of reducing energy consumption.

The invention relates to the field of wireless product testing, and provides a multi-device cooperative closed-loop testing method based on state machine driving, and the method comprises the steps: monitoring the data output of a universal asynchronous receiver / transmitter (UART) interface of a tested device in real time; analyzing the data output by the UART interface of the tested equipment to identify the current running state of the tested equipment; dynamically generating at least one control instruction according to a preset state transition rule set and the identified current operation state; distributing the at least one control instruction to corresponding external test equipment to drive the external test equipment to execute corresponding test operation on the tested equipment; and repeatedly executing the steps of monitoring, analyzing, generating the control instruction and distributing, and automatically and continuously propelling the test process based on the response state of the tested equipment until all test items are completed. According to the technical scheme, multi-device closed-loop testing is driven through the state machine, and the testing automation degree and the process continuity are remarkably improved.

The utility model discloses a detachable forest industrial product aging test box integrating temperature, humidity and light regulation and control, and belongs to the technical field of environment simulation equipment for product tests. Comprising an aging oven, and further comprises a temperature regulation and control unit, a humidity regulation and control unit and an illumination regulation and control unit which are installed in an inner cavity of the aging oven, and a console installed on one side of the aging oven, and the temperature regulation and control unit, the humidity regulation and control unit and the illumination regulation and control unit are electrically connected with the console; the aging test box provided by the utility model is specially used for the forest-work product, the internal sample table is detachable and rotatable, a plurality of environmental variables of the inner cavity of the box body can be controlled, the natural aging condition of the forest-work product can be simulated more truly, the efficiency is improved, and the data accuracy is increased.

The invention provides a device for electrical performance test and high-temperature aging test of a high-power-density module product, and relates to the technical field of electronic product test and aging. A large-current clamping structure is arranged, so that the reliability requirement of long-time repeated clamping of a large-current pin in the electrical performance test and high-temperature aging test process of the high-power density module is met; a vertical pressing structure and a double-sided heat dissipation structure are arranged, so that the heat dissipation requirement of a high-power density module in an electrical performance test and a high-temperature aging test when a product works in a high heating state is met; and a double-sided temperature measurement structure is arranged, so that real-time temperature measurement and monitoring can be carried out on the upper surface and the lower surface of the high-power density module product in the electrical performance test and high-temperature aging test processes.

The invention relates to the technical field of electronic product testing, in particular to a microphone time delay testing method and device, equipment, a storage medium and a product. The method comprises the following steps: inputting a recording command to a to-be-tested device based on an ADB command window; according to the recording command, controlling the to-be-tested device to play a preset audio, and controlling the to-be-tested device to synchronously record to obtain a recorded audio; comparing the recorded audio with a preset audio; and determining the microphone time delay of the to-be-tested equipment according to the comparison result. According to the method, the automatic control of the equipment is realized by using the ADB command, the dependence on expensive hardware equipment is reduced, and the test cost is reduced. Meanwhile, the test efficiency is improved through the synchronous control automatic test step of the recording and playing processes, and the high precision of the microphone time delay test is ensured through the contrastive analysis mode, so that the test cost is reduced, and the test efficiency and precision are improved.

The embodiment of the invention relates to the technical field of product testing, and discloses a connecting device for testing and a testing system. The connecting device for testing comprises a base, a pin assembly and an adapter. The base is provided with a positioning structure. The pin assembly comprises a plurality of test pins, the first end of each test pin is used for being connected to a port to be tested, the second end of each test pin is provided with a shell, and the shell is detachably connected with the base and can move along the positioning structure. The adapter comprises an adapter connector and transmission cables in one-to-one correspondence with the plurality of test pins, one ends of the plurality of transmission cables are electrically connected to the adapter connector, the other ends of the plurality of transmission cables are electrically connected with the second ends of the corresponding test pins, and the adapter connector is used for being connected with test equipment. According to the test connecting device and the test system provided by the embodiment of the invention, the test cable can be prevented from being wrongly connected, and the wiring efficiency is improved.

The invention relates to the technical field of product detection and marking, in particular to a resistance test marking machine which comprises a rack, a feeding structure, a workbench and a discharging structure are arranged on the rack, and a temperature detection structure, a resistance detection structure and a marking structure are sequentially arranged on the workbench. The feeding structure is used for sequentially conveying a plurality of fuses to the workbench, the temperature detection structure is used for detecting the temperature of terminals at the two ends of the fuses, the resistance detection structure is used for detecting the resistance values of the fuses, and the marking structure is used for marking the detected fuses to end covers of the fuses. And the discharging structure is used for conveying the detected and marked fuses away from the workbench. The fuse testing device has the advantages that the fuse is conveyed to the workbench through the feeding structure, accurate testing and direct marking of the resistance value of the fuse are achieved on the workbench, and the testing accuracy is improved. And due to cooperative work of a plurality of stations, automatic production is realized, and the production efficiency is greatly improved.

The invention relates to product testing equipment, in particular to performance testing equipment of a sweeping robot, which is used for being matched with a testing device to test the sweeping robot and comprises a bearing module and an auxiliary testing module, the bearing module is used for fixing the sweeping robot; and the auxiliary test module is arranged on the bearing module and is used for applying force to a to-be-tested part of the sweeping robot placed on the bearing module, so that the test device can test the to-be-tested part. According to the embodiment of the invention, the key parts of the finished sweeping robot can be tested.

The utility model discloses and provides a test device for testing a keyboard of a tablet computer, which is efficient and adjustable in angle and height, has the advantages of simple structure, compact layout, convenience in operation and the like, and can quickly adjust the angle and height of a back plate module by rotating a screw on the side edge. Tablet computer keyboard products at different angles are tested, so that the testing efficiency is greatly improved. The testing keyboard comprises an electric cabinet module, a carrier plate module, a back plate module and a testing module, the carrier plate module is fixedly matched on the top surface of the electric cabinet module, the back plate module is fixedly matched on the carrier plate module, the testing keyboard is divided into a knocking end and a bending supporting end, the knocking end is matched with the bending supporting end through a rotating shaft, the knocking end is limited and matched on the carrier plate module, and the bending supporting end is matched with the knocking end through a rotating shaft. The bending supporting end is in limiting fit with the back plate module, the testing module is in limiting fit with the back plate module, and the testing module is in limiting fit with the knocking end on the testing keyboard. The device is applied to the field of product testing.

The invention relates to the technical field of consumer goods detection, and discloses a detection method for rapidly determining the content of twenty-two flame retardants in consumer goods, which comprises the following steps: S1, preparing a liquid sample; s2, putting a solid sample to be detected into a reaction tube, and adding a liquid sample; step S3, extracting; and S4, analyzing the sample solution by adopting a liquid chromatograph-mass spectrometer. The method can simultaneously detect the content of twenty-two organic flame retardants, utilizes ultrasonic extraction and LCMSMS analysis, makes up the disadvantages of gas chromatography, can rapidly determine the content of twenty-two organic flame retardants, is simple in operation and short in analysis time, and has very high test efficiency. According to the method, the repeatability is 0.3%-3.8%, the reproducibility is 1.3%-2.7%, the detection limit of the method is as low as 0.02 mg / kg, and the method completely meets the control requirements of all countries and the test requirements of customers.

The utility model relates to the technical field of electronic testing, in particular to a test probe. The test probe is used for detecting a tested product, the test probe comprises a plurality of contact parts, the plurality of contact parts are located at one end of the test probe, and the plurality of contact parts can be contacted with the tested product at the same time. The contact area between the test probe and the tested product during the open and short circuit test is increased, and the good contact between the test probe and the tested product (such as an FPC extension socket) is realized, so that the high misjudgment rate of the open and short circuit test is improved, and the production efficiency of equipment is improved.

The application discloses a kind of test system and method of radio frequency module, belong to product test technical field.System includes: multiple host computers respectively control multiple test equipment on multiple radio frequency modules to be tested placed and open radio frequency test mode;Multiple-port radio frequency test instrument is detected by multiple test ports respectively multiple radio frequency modules in radio frequency test mode The radio frequency data generated by multiple radio frequency modules, and multiple radio frequency data generated by multiple radio frequency modules are sent to multiple host computers respectively;Multiple host computers according to multiple radio frequency data generated by multiple radio frequency modules, multiple test information corresponding to multiple radio frequency modules are sent to server device;Server device generates multiple radio frequency module placement instruction according to multiple test information, and sends multiple radio frequency module placement instruction to pick-and-place device;Pick-and-place device according to multiple radio frequency module placement instruction, multiple radio frequency modules are classified and placed, multiple radio frequency modules are realized parallel automated test, and test efficiency is improved.

The invention relates to the technical field of satellite product testing, in particular to a space attitude adjusting device, system and method for satellite testing. The device comprises a rotary connecting seat, wherein the rotary connecting seat comprises an upper connecting plate, a lower connecting plate and a connecting column; the top surface of the upper connecting plate is rotatably connected with a rotating mechanism, and the upper surface of the lower connecting plate is fixedly connected with a hanging mechanism; the system further comprises a tilt angle sensor and a servo driving system. The method comprises the following steps: respectively connecting the free ends of the slings with different end parts of a test satellite; adjusting the length of each sling, and adjusting the pitch angle and the roll angle of the tested satellite; the rotation driving device is started to drive the rotation connecting seat to rotate integrally, and the azimuth angle of the test satellite is adjusted to the test azimuth angle; after the satellite to be tested is static, space attitude adjustment is completed. The problems that in the prior art, the attitude adjustment range is small, the testing efficiency is low, and the testing result error is large are solved.