17results about How to "Avoid test failures" patented technology

The invention provides a circuit board test method and device based on a flying probe tester. According to the method, a test point set is determined by obtaining a design file of a circuit board, establishing an electrical connection model and identifying components and pins on the circuit board. And generating test combination set data by analyzing the conduction relationship between the test points, and further generating test scheme data. And based on the test scheme data, a test path is generated by using a path optimization algorithm, finally, the flying probe tester is used for testing, and a test report is generated according to a test result. The flying probe tester adopts the combination of an annular probe and a sharp needle probe, the annular probe is used for a pin connector to ensure accurate contact, and the sharp needle probe is used for other types of components to improve the test precision and adaptability. Compared with a traditional test method, the test scheme can be generated more efficiently, the test path can be optimized more efficiently, the test time is remarkably shortened, and the reliability and accuracy of circuit board testing are improved.

The invention relates to the technical field of micro-fluidic chip testing, and provides a micro-fluidic chip testing cabin which comprises a cabin body and a cabin cover, the side wall of the cabin body is of a hollow interlayer structure, the hollow interlayer structure is filled with protective gas, and the protective gas in the hollow interlayer structure can enter the cabin body. According to the test cabin, the test environment of the to-be-tested micro-fluidic chip in the cabin body is an oxygen-free environment, test failure caused by air interference when the to-be-tested micro-fluidic chip is tested in the cabin body is avoided, meanwhile, the cabin cover is arranged at the top of the cabin body, the sealing performance of the test cabin is further guaranteed, the test passing rate is further increased, and the test efficiency is improved. The problem that an existing testing device fails in testing due to air interference is solved.

The application provides a kind of LTP pressure test monitoring early warning test method, belong to operating system test verification field, the application can guarantee that pressure test reaches standard value and is full load stable operation in time monitoring by monitoring early warning mechanism and pressurization, reaches final test purpose;Through the monitoring early warning mechanism, the running situation of pressure test is monitored in time, the scene of excessively high CPU utilization is monitored in time and early warning information is thrown, the time of abnormal scene occurrence and CPU utilization abnormal value are recorded, so as to notify tester in time for timely analysis, positioning problem in the abnormal CPU utilization of later period.

The utility model provides a kind of bullet train set air conditioner pressure wave's beat tester, by being equipped with shell, the side surface of shell is equipped with the injection port for being connected with outside gas source, the other side surface of shell is equipped with first communicating port and second communicating port, solenoid valve and throttle valve are equipped in shell, throttle valve is communicated with injection port pipeline, throttle valve is communicated with the gas inlet end pipeline of solenoid valve, the first gas outlet end of solenoid valve is communicated with first communicating port pipeline, the second gas outlet end of solenoid valve is communicated with second communicating port pipeline;Wherein, first communicating port, first gas outlet end, throttle valve and injection port form first gas path, second communicating port, second gas outlet end, throttle valve and injection port form second gas path, solenoid valve includes first solenoid valve coil and second solenoid valve coil, to realize beat pressure impact simulation to the air inlet of bullet train set locomotive two sides, effectively simulate bullet train set meeting or when passing through tunnel air pressure difference, improve the reliability, security and purposiveness of air conditioner pressure wave test.

The invention provides an IVI host testing system and method, electronic equipment and a storage medium, the testing system comprises an image acquisition device, a projector, a CAN card and an industrial personal computer, the industrial personal computer is connected with the projector, the image acquisition device and a to-be-tested IVI host, and the industrial personal computer is in communication connection with the to-be-tested IVI host through the CAN card; the shooting module is used for shooting pictures displayed on the IVI host to be tested in real time and transmitting the shot pictures to the industrial personal computer; wherein the picture displayed on the IVI host to be tested comprises a dynamic picture played by the projector; and the industrial personal computer is used for analyzing the shot picture transmitted by the image acquisition device and generating a test result of the IVI host to be tested. Through the designed test system, abnormal situations such as picture jamming or host crash in the display process of the IVI host can be effectively identified, and test failure is avoided.

The invention relates to the technical field of servers, and discloses a network fault repair method, device and equipment and a storage medium, which are applied to a test system, and the test system is used for testing at least one server. The method comprises the following steps: acquiring first network information with each server operating system and second network information with each server management system; based on the first network information and the second network information, determining an overall accessibility index of one or more currently tested servers; and under the condition that the overall accessibility index meets a preset condition, determining a target server with a network fault according to a test task executed for each server, and repairing the network fault of the target server. The reliability of automatic batch testing of servers can be improved.

The utility model discloses a kind of safety valve individual test equipment, belong to safety valve detection technical field, including setting oil tank, test pump and safety valve to be measured, the oil outlet of oil tank is connected by first pipeline with the import of test pump intercommunication, the outlet of test pump is connected by second pipeline with the import of three-way pipe fitting;The first outlet of three-way pipe fitting is connected by third pipeline with the import of safety valve to be measured intercommunication, the outlet of safety valve to be measured is connected by fourth pipeline with the oil return flange of oil tank intercommunication, forms test loop;The second outlet of three-way pipe fitting is connected by fifth pipeline with the oil return port of oil tank intercommunication, forms oil return empty path;Switching valve assembly for oil return empty path and test loop switching is provided on three-way pipe fitting.The utility model has realized the operability of safety valve individual test, with the advantage that flexibility is high, meet the test demand of DV and DS series structure safety valve.

The invention relates to the technical field of radio frequency connector production, in particular to an intelligent test device for the connection performance of a radio frequency connector, a radio frequency connector body with a bent pin part can be automatically tested through the cooperation of a cylinder and a round rod only by manually inserting the radio frequency connector body into a socket, and compared with the existing device, the intelligent test device has the advantages that the test efficiency is improved, and the test cost is reduced. The equipment does not need to carry out pin bending detection and pin bending correction operation, so that the working steps are reduced, and the efficiency is improved; the invention discloses intelligent testing equipment for the connection performance of a radio frequency connector. The intelligent testing equipment comprises a connecting block, a cylinder, a spring I and a round rod, each socket is fixedly connected with a connecting block; a plurality of cylinders are connected to each connecting block in a sliding manner; each cylinder is fixedly connected with a spring I; each socket is fixedly connected with a plurality of round rods, the round rods are connected with the tester, and the round rods are in sliding connection with the corresponding cylinders; and a conical surface part I is arranged on each cylinder.

The utility model relates to the technical field of automation equipment, and discloses a chip sorting machine, which is characterized in that a first photoelectric sensing module is additionally arranged and is designed to directly face a placement position, so that the placement state of a chip can be monitored, that is, when no chip is detected on the placement position or the chip is obliquely placed, a sensing signal is sent out; therefore, corresponding correction measures can be taken in time. The design ensures the accuracy and reliability of the test process, effectively avoids test failure, blanking failure or chip damage caused by chip omission or improper placement, and is beneficial to smooth proceeding of the test process and stable improvement of product quality.

The invention discloses an automatic testing method and device for mutual exclusion of OTA upgrade and E-CALL, equipment and a medium. The method comprises the steps that whether a target vehicle completes downloading of an OTA upgrade package or not is detected; in response to the detection that the target vehicle completes the downloading of the OTA upgrade package, controlling a preset relay to act so as to control the E-CALL of the target vehicle to be triggered; detecting whether the target vehicle sends an E-CALL signal or not; detecting whether the target vehicle meets a preset condition of OTA upgrading or not in response to the detection that the target vehicle sends an E-CALL signal, and obtaining a detection result; and determining a test result of mutual exclusion of the OTA upgrade and the E-CALL based on the detection result. The testing efficiency is improved, and the labor cost is saved.

The application relates to a customized commodity return data construction method and device, equipment and medium, relates to the technical field of computer data processing, and can be applied to the fields of finance and medicine, and comprises the following steps: extracting structured commodity information of commodity table data uploaded by a user based on a customized commodity information table template, creating a customized commodity according to the commodity information, executing automatic shelving or unshelving operations of the customized commodity, and setting corresponding commodity inventories; reading commodity information of the imported customized commodity, assembling the commodity information into specific request parameters, and sending the request parameters to corresponding internal and external systems to complete automatic return of the commodity information. According to the application, the manual chain operation is reduced, the overall time is shortened, the work efficiency is improved, the probability of problems such as data entry errors and configuration omissions is reduced, a large amount of time consumed by repeated problem checking is avoided, and the overall work efficiency is further improved.

The utility model discloses an oil-to-electricity automobile suspension spring test frame, which relates to the technical field of electric automobiles and comprises a shell, a spring fixing mechanism is arranged in the shell and comprises an inner frame embedded in the shell, an annular air bag is arranged in the shell, and the annular air bag is connected with the inner frame. The inner ring of the annular air bag is fixedly connected with pull rods in an annular array, the ends, away from the annular air bag, of the pull rods penetrate through the inner frame and extend into the inner frame, and the ends, located in the inner frame, of the pull rods are fixedly connected with buckles. The annular air bag is inflated to expand, the pull rods are pushed to be close to each other, the pull rods push the buckles to be close to each other, then a worker places the spring bodies in the buckles, then the worker exhausts air in the annular air bag, the telescopic springs push the pull rods, and the pull rods pull the buckles to be away from each other; the bottom end of the spring body is operated by using the buckle, and then a worker carries out test operation on the fixed suspension spring.

A vertical hybrid probe card alignment deviation calculation method and system, the calculation method is characterized in that a coordinate system is established with the probe width direction as X, the thickness direction as Y and the axial length direction as Z;The method comprises the following steps: S1, establishing a projection alignment geometry model of the probe in the XOZ plane and the YOZ plane;S2, based on the geometric relationship, the inclination angle θ of the probe in the corresponding plane is calculated according to formula (1):S3, the inclination angle θ calculated in step S2 is substituted into formula (2), and the offset ΔS of the center of the probe end face relative to the center of the corresponding lower guide plate hole is calculated.

The utility model relates to the technical field of test equipment, and especially relates to a detector assembly power-up test tool. Comprising a detector assembly, and the detector assembly comprises a radio frequency interface, an optical fiber interface and an electrical interface. The device further comprises a fixed base. A plurality of mounting clamping grooves are formed in the top side of the fixed base, so that a plurality of detector assemblies can be placed at the same time for batch testing; a detachable pressing block above each mounting clamping groove can be used for fixing the detector assembly; the fixed connection design of the power-up socket and the optical fiber flange provides a stable and reliable connection point for the power line and the optical fiber cable, rapid assembly is facilitated, the test stability is ensured, meanwhile, the fixed arrangement of the optical fiber flange reduces the risk that an optical fiber interface is damaged due to overlarge stress in the test process, and the stability of an optical path is ensured; the design of the detector assembly power-up test tool not only improves the efficiency, but also ensures the reliability of the connection between the detector assembly and the optical fiber in the test process.

The invention discloses a parameter table automatic generation method and device and a medium, and the method comprises the steps: determining a communication matrix of a CAN bus, and determining a parameter configuration list corresponding to the communication matrix of the CAN bus; obtaining a parameter configuration list through preset test software, determining a test case according to the parameter configuration list, and determining an executable file according to the test case; determining test configuration through a preset test environment, and importing the executable file into a test unit of the test configuration; and operating the test environment, and performing periodic detection according to the CAN bus to obtain a check report. According to the method, the upper computer program is developed through the LabVIEW software, the vparam parameter table is automatically generated according to the requirement input by the user, and the problems that the vparam parameter table is difficult to fill in multiple rows and test items are difficult to screen manually during execution are solved.

The application provides a test method and device. The method comprises: obtaining a contract file; parsing the contract file to determine a dynamic calculation expression contained in a field value for representing a test interface and a field value for representing a test parameter in the contract file; executing the dynamic calculation expression to determine the test parameter and the test interface; and testing the test interface based on the test parameter to obtain a test result, so as to realize dynamic testing on the test interface.