18results about How to "Reduce test preparation time" patented technology

The invention relates to the technical field of software testing, and discloses an agent-based multi-dimensional test sample automatic generation method and system.The agent-based multi-dimensional test sample automatic generation method comprises the steps that code changes are captured, interface definitions are extracted, and multi-source data are fused for consistency verification; constructing a multi-dimensional dependency graph and analyzing the change influence to obtain an associated interface list; generating a multi-dimensional test scene; performing parameter traceability and consistency derivation, and initializing test data and environment to obtain a complete test data set; generating a use case code, and performing hierarchical optimization and executable verification; test arrangement optimization and automatic execution are carried out, and faults are monitored and diagnosed in real time; carrying out multi-dimensional analysis and defect identification, dynamically evaluating the value of a test case and optimizing a test strategy to obtain a comprehensive test report; according to the invention, full-process automation of test case generation is realized, the test efficiency and quality are improved, and the test maintenance cost is reduced.

This invention relates to the field of glass production testing technology, specifically disclosing a glass cold bending ultimate failure test device and method. The device includes a worktable and four identical cold bending loading units. Each unit integrates a planar displacement structure with horizontal displacement capability, a liftable and directional adjustable support structure, and a pressure head connected by a ball joint. During testing, the planar displacement structure of each unit is first adjusted to accommodate glass specimens of different sizes. Then, the support structures of three units form an L-shaped support surface, and their pressure heads press against corresponding corner points on the upper part of the specimen to establish stable constraints. Finally, the pressure head of the fourth unit applies a concentrated load to the unconstrained corner points, while automatically monitoring the load and displacement until the specimen fails. This invention, through modular and automated design, achieves high versatility of the device, high testing accuracy, and high operational safety, effectively improving testing efficiency and data reliability.

This invention discloses a universal cryogenic valve heat leakage performance testing device and method, belonging to the field of valve testing technology. It includes: a cryogenic valve to be tested installed on the upper end of a cryogenic thermostat; the valve seat of the cryogenic valve to be tested connected to a valve heat exchanger via a pipe clamp; a first cold shield surrounding the valve seat; a valve support including a first flange adapted to different cryogenic valves to be tested; two cold shields installed inside the cryogenic thermostat, both with modular sidewall designs, flexibly adaptable to different cryogenic valves to be tested; two heaters connected to a temperature controller respectively installed on the heat sink and the pipe clamp; a GM refrigeration unit installed inside the cryogenic thermostat, including two-stage cold heads; a second cold shield surrounding the two-stage cold heads; a secondary cold head with a secondary heat exchanger connected to the valve heat exchanger; a helium supply device connected to the primary heat exchanger on the primary cold head; a helium recovery device connected to the valve heat exchanger; and a vacuum pump unit connected to the cryogenic thermostat. This invention improves testing efficiency and device utilization.

This utility model discloses a foldable quick-release triaxial apparatus pressure chamber, including an axial pressure rod. Four pressure chamber sector plates are arranged at the bottom of the axial pressure rod, with two pressure chamber sector plates forming a group. Two pressure chamber sector plates in the same group are connected by three hinges. The bottom of all four pressure chamber sector plates is provided with a common base. Limiting blocks are fixedly connected to the outer walls of the top and bottom ends of the pressure chamber sector plates. Two limiting blocks at the same end have stops on their adjacent sides. A square plate is fixedly connected to one side of the stop, and two round rods are fixedly connected to the square plate on the side away from the stop. This utility model, through its foldable structure design, reduces the volume of the equipment during transportation or storage, making it easy to carry. The modular quick-release structure allows key components to be assembled or disassembled without manual operation via snaps and magnetic interfaces, lowering the barrier to entry and optimizing the complex installation steps of traditional triaxial testing instruments, thus shortening test preparation time.

This utility model relates to the field of lithium battery testing equipment and discloses an aluminum-cased battery cell OCV testing fixture. Its features include: a base with a positioning component for fixing the battery cell; a guide post vertically mounted on the base; a fixing plate fixedly mounted on the guide post; a push plate slidably mounted on the guide post; a positive electrode probe group and a negative electrode probe group mounted on the push plate; and a pusher component on the fixing plate for controlling the push plate's up-and-down movement along the guide post. This utility model features improved testing efficiency and strong versatility. Furthermore, the test is completed by pressing the probes down using a cylinder, ensuring good contact and stable operation.

The application discloses a kind of test simulation equipment for simulating throwing anchor, dragging anchor in ship movement.The equipment includes water tank and track system, tow control system, anchor operating mechanism and data acquisition and processing system;Water tank and track system provide test water environment and the height of trailer (for simulating ship) from water surface, tow control system drives trailer to move along track, anchor operating mechanism controls anchor dropping position by receiving signal, realizes throwing anchor simulation, data acquisition and processing system monitors anchor chain stress in real time, captures anchor body into water and dragging process by high-speed camera, all data are integrated transmission to control computer by synchronizer, and after processing, output anchor dropping speed curve, anchor chain dragging force peak value and drag anchor trajectory and other parameters.The all test simulation elements of the application are controllable and known, easy to use, can play the role of improving the accuracy and test efficiency of ship throwing anchor, dragging anchor test simulation.

The utility model discloses an automobile spoiler detection device, which relates to the technical field of aerodynamics, and comprises a support frame, the top of the support frame is fixedly connected with a connecting shell, the connecting shell is provided with an adjusting mechanism, the connecting shell is provided with a placing mechanism, the adjusting mechanism comprises a control console, and the control console is connected with the connecting shell. According to the spoiler detection device, the sliding rod is arranged, the fan blows air to the surface of the spoiler, the rotating speed of the fan can be adjusted through the console, then the detector can detect the surface of the spoiler, and during detection, the sliding rod can slide in the guide disc and drives the rotating strip to move at the moment, so that the angle of the air blown to the spoiler is changed, and the spoiler detection device is convenient to use. By means of the sliding rod capable of sliding in the guide disc, the angle of wind blowing on the spoiler can be changed, the influence of the spoiler on air flow at different angles can be evaluated more accurately, and the effect that the spoiler optimizes the performance of an automobile under various conditions can be known easily.

The invention discloses a special power supply module for a modularized transformer test, relates to the technical field of distribution network test equipment, and aims to solve the problems that the existing test equipment is dispersed, the power supply adaptability is poor, the safety protection is insufficient and the environment adaptability is weak. The system comprises a core power supply module, a gear adjustment module, an intelligent adaptation module, a safety protection module, an emergency stop module and an integrated installation structure. The core power supply module supplies power to each module, and the integrated installation structure reserves a standard interface and supports rapid replacement of various test modules. The core power supply module realizes integrated movement of test equipment and a power supply, the gear adjustment module accurately regulates and controls output parameters, the intelligent adaptation module automatically matches test parameters, the safety protection and emergency stop module constructs a whole-process safety guarantee, and the whole device has strong environment adaptability. The method can improve the test efficiency and accuracy, reduces the safety risk, and is suitable for various test scenes of the distribution network transformer.

The application provides a water tank capable of simulating a decompression environment and a multi-degree-of-freedom underwater launching device and a use method thereof, and belongs to the technical field of ocean engineering test. The application solves the problems of insufficient flexibility, complex structure and poor environmental adaptability of a traditional underwater launching device, and provides a test method for researching the multi-degree-of-freedom motion characteristics of a cross-medium water-exiting underwater multi-degree-of-freedom motion. The application comprises a decompression water tank, a lifting platform structure, a two-degree-of-freedom holder device and a horizontal sliding platform device. The application can realize the simulation of the multi-degree-of-freedom motion conditions of an environmental pressure, an attack angle, a pitch angle, a roll angle and a heave motion single-degree-of-freedom or multi-degree-of-freedom superposition of a carrying platform, and can meet the inclined launching test of a water-exiting vehicle. The application is mainly applied to the simulation of the underwater multi-degree-of-freedom motion of a cross-medium vehicle under a scale model ejection condition.

This utility model relates to the field of PCB board testing technology and discloses a PCB board that can replace the bed-of-pipe wiring of test fixtures. It includes: a PCB support base plate, a PCB encapsulation cover plate, and a PCB board body. The PCB encapsulation cover plate is fixedly connected to the top surface of the PCB support base plate, and the PCB board body is slidably connected to the inner side of the PCB encapsulation cover plate. A buffer guide assembly is disposed between the PCB support base plate and the PCB board body. A pin connection adjustment assembly is disposed on the side of the PCB board body. This utility model improves stability and reliability through buffer guidance, enhances flexibility and shortens test preparation time through pin adjustment, reduces maintenance and customization costs and test errors by replacing traditional probes with a PCB board, and also reduces contact pressure to protect the circuit board under test. It solves the problems of complex process, high cost, poor flexibility and adaptability, and easy damage to test points associated with traditional bed-of-pipe wiring.

The invention relates to the technical field of obstacle avoidance mechanism load simulation testing, in particular to a hydraulic obstacle avoidance mechanism multi-degree-of-freedom load simulation testing machine which comprises a load simulation mechanism and a snow removal shovel arranged at the upper end of the load simulation mechanism. A driving mechanism is fixedly connected to the inner side end face of the upper end of the load simulation mechanism, and a clamping mechanism is fixedly connected to the upper end of the driving mechanism and used for clamping and fixing the two sides of the snow removal shovel; the driving mechanism comprises transmission assemblies which are symmetrically arranged and a driving part which is fixedly connected with one transmission side; the driving piece synchronously drives the two transmission assemblies to achieve double-side clamping and fixing of the snow removal shovel, meanwhile, any one transmission assembly can be independently driven to complete releasing and fixing of single-side clamping, repeated manual disassembly with the help of tools is not needed, operation is efficient and convenient, the test preparation time is greatly saved, and the test efficiency is improved. And the potential safety hazard that the obstacle avoidance assembly rebounds to accidentally injure operators during manual operation in the prior art is avoided.

The application discloses a kind of continuous transport type semiconductor electrical test device under low temperature inert atmosphere, it is related to the technical field of electrical performance test equipment of semiconductor material, including in turn through's sample sealing cabin, test cabin and sampling sealing cabin, and the conductive conveying belt through three cabin bodies;Test cabin is equipped with liquid nitrogen inlet, inert gas inlet, vacuum valve, electrode lead-out end, irradiation window, movable baffle and probe test part. Conductive conveying belt drives sample to move continuously between three cabin bodies, realizes the automatic test and closed sampling of batch loading, low temperature or inert atmosphere of sample;Test cabin small cavity design can be quickly evacuated and cooling, reduce liquid nitrogen consumption and avoid mechanical vibration noise interference;Probe and conductive groove on conveying belt are automatically contacted, without manual wiring;The application can efficiently and accurately complete electrical performance test, such as mobility, energy spectrum and current-voltage characteristic of semiconductor material under protective atmosphere or low temperature condition.

The utility model relates to the field of testing of tire testing machines, in particular to a multi-angle obstacle strip mounting device for a tire clean test. Comprising a fixing frame, a first connecting disc, a pressing block and at least one fixing bolt. The whole fixing frame is of a [-shaped structure. The lower plate is provided with a plurality of round holes, the fixing bolts are in one-to-one correspondence with the round holes, and the fixing bolts are inserted into the round holes; the fixing bolt is sleeved with a nut, and tensioning adjustment is conducted on the fixing bolt by rotating the nut. The pressing block is detachably connected with the first connecting disc, a fixing groove for containing a barrier strip is formed in the lower surface of the pressing block, and the lower surface of the pressing block is in an arc shape. A rubber strip fixing groove is formed in the lower surface of the barrier strip and used for containing a rubber strip. According to the rotary drum punching device, the rotary drum punching link is abandoned, the manpower and material resource cost needed by rotary drum punching is saved, and damage to the integrity of the rotary drum due to punching is avoided.

The present application relates to the field of hypersonic ground test, disclose a kind of pure air regenerative heater for hypersonic wind tunnel, inner shell is equipped with heat accumulator, several heating channels and air channels are equipped on heat accumulator, several heating rods are correspondingly assembled in several heating channels, and the free space of stop sheet is all capped on several heating channels, so that temperature distribution of heat accumulator is uniform in heating process, while reducing the internal thermal stress of heat accumulator, the temperature uniformity of heated gas is increased, one end of several air channels is communicated with the air inlet of inlet end cover, the other end is communicated with the air outlet of outlet end cover, several heating channels and air channels are independent channels, high-temperature metal is closed using heat accumulator, the contact between airflow and high-temperature metal is reduced in heating process, prolongs the service life of heater. By extending into the shell and contacting with the wire through terminal post, inductive heating mode is adopted, and the working efficiency of the heater is improved.

The utility model belongs to test device technical field especially a circuit board testing device, aim at when carrying out salt mist test, circuit board is inconvenient to fix, the problem that horizontal placement is easy to influence back test effect, present and propose following scheme, including sealed cabinet, the cabinet mouth place of sealed cabinet one side is rotatably installed with two sealed cabinet doors, the inner wall of sealed cabinet is fixed with two horizontal poles symmetrically, be provided with the hanging component for vertical circuit board on the horizontal pole, the top of sealed cabinet inner wall is fixed with liquid injection pipe through bolt. The utility model discloses through setting up hanging component to realize circuit board vertical fixation, avoid horizontal placement back and cabinet contact to cause the salt mist deposition uneven, ensure that test surface is exposed to salt mist environment completely, improve the accuracy of corrosion evaluation, and the clamping structure of U type card frame and the setting of holding rod, facilitate the batch installation and taking out of circuit board, shorten test preparation time.

The utility model relates to cable production technical field especially is a kind of cable tensile strength testing device, including base, test mechanism is arranged on the base and is used for cable tensile strength test, test mechanism includes: main component, including fixed in the left and right sides of servo motor ball screw of base upper end, fixed with lifting frame between the slider of two sides servo motor ball screw, lifting frame bottom is equipped with pressure sensor, pressure sensor and base are all provided with clamp and are used to clamp the both ends of cable;Supporting component, including fixed in the left and right sides of protection cover of base top and is used to protect lifting frame, protection cover front end is fixed with guide rail;Adjusting component, including the carriage between two sides guide rail;Manual lifting baffle design is adopted, and when clamping, baffle is lifted to facilitate operation, and when testing, it is formed protection to drop down;It is easy and safe to operate, both ensure test efficiency and effectively prevent cable breakage splashing risk.

The invention discloses an intelligent test method, system and device for a special transformer terminal in the technical field of power equipment testing, and the method comprises the steps: carrying out the self-inspection and completing the automatic switching of a power channel after the test equipment is powered on and started, building the communication connection with the special transformer terminal, and automatically recognizing a communication protocol and a communication parameter; generating a test flow according to a preset test template or a user-defined script, carrying out working condition simulation and abnormal signal injection on the input end of the special transformer terminal, synchronously collecting communication response data of the special transformer terminal, and comparing the communication response data with a preset threshold value to form a closed-loop evaluation result; when an abnormal response is detected, a hierarchical diagnosis process is triggered to locate a fault reason, a test report is generated, test data and a communication message are stored, and an abnormal feature library is updated based on a historical test result to realize test strategy self-learning; according to the method, multi-protocol adaptation, abnormal working condition verification and result quantitative evaluation can be completed under the field condition, the test efficiency and the detection accuracy are improved, and the manual configuration and misjudgment risks are reduced.

The invention discloses a test login state keeping method, system and device and a storage medium, belongs to the technical field of UI automatic test, and solves the technical problem of low test efficiency. The method comprises the following steps: executing a complete login process, simulating user login operation through a UI automatic test tool, and after login succeeds, extracting an effective authentication token from a browser session storage; storing the extracted authentication token into a configuration file or a variable of a test framework; before a subsequent test case is executed, calling a session storage setting method built in the browser through a script execution interface provided by the UI automatic test tool, and writing the stored authentication token into the session storage of the current browser; after session storage setting is completed, a page needing login permission is directly accessed, and a browser can automatically recognize an authentication token in session storage and maintain a user login state; and after all the test cases are executed, the authentication token in the browser session storage is cleared, so that the subsequent test is prevented from being influenced.