37 results about "Test preparation" patented technology

The application belongs to the field of trusted system testing, and discloses a kind of SIS trusted system booting trusted function test method and system, the application is by automatically constructing test environment and centralized configuration test case on automation test host, so that test process does not need manual setting device parameter one by one, avoid the problem of omission and inconsistency caused by manual configuration, improve the efficiency and accuracy of test preparation stage.In the application, the steps of automatically executing restart, modifying the verification object, restoring the file, etc. are performed by remotely connecting the device under test, which makes the process that originally requires manual repeated operation mechanized and repeatable, thereby reducing the risk of misoperation caused by manual intervention.In terms of trust measurement data collection, the trusted chain and measurement information are automatically sent to the test host after each start of the device under test, and the test host can obtain the complete measurement chain in a timely and systematic manner, avoiding the omission problem that may occur when manually comparing logs and PCR values.

The application provides a test system for EPB brake performance test, comprising: a device body, a measured EPB brake installed on the top of the device body, a pressure test device for measuring the pressure of the measured EPB brake, a clamping force test device for measuring the clamping force of the measured EPB brake, and the performance of the measured EPB brake is measured through the pressure test device and the clamping force test device. The test system can effectively simplify the test process and reduce the test preparation time on the basis of meeting the EPB brake research and development test requirements. After inputting the test sample parameters before the test, the data processing can be automatically performed, and the time cost of manual data processing is saved. The test system also has the advantages of portability, adaptability to various working scenes, and effective protection measures to prevent accidental injury to the test personnel.

The application provides a rudder engine load test device and relates to the technical field of ship rudder engines, and comprises a mounting device, a self-adaptive load mechanism, a transmission head, a fixing screw one, a clamping groove seat and a clamping groove. The application has the characteristics of reasonable and simple structure, low production cost and convenient installation. Without customizing a complex connection structure for different types of rudder engines, the device can be quickly connected with the rudder engine through simple assembly design, greatly improving the universality and test preparation efficiency of the device, and reducing the equipment investment and maintenance cost. The application realizes the self-adaptive adjustment function of the load, can dynamically change the hydraulic oil input flow according to the rotating state of the rudder engine, makes the load force accurately match the rudder engine operation process, avoids the load mutation problem of the traditional rigid load structure, and effectively improves the authenticity and reliability of the test data.

The utility model discloses a kind of formaldehyde environmental chamber equipment with background concentration self-checking and automatic cleaning function, the formaldehyde environmental chamber equipment includes cabin, the sample holder for placing sample is installed in the cabin, the temperature and humidity sensor for real-time monitoring environmental parameter in cabin and the air circulation device for maintaining air flow uniformity in cabin are used, the formaldehyde environmental chamber equipment also includes sampling detection module, spray cleaning module and main control system. The formaldehyde environmental chamber equipment can effectively replace the conventional means of existing dependence on artificial judgment and operation, realize the rapid judgment and cleaning response of test chamber state, greatly shorten test preparation time, reduce artificial operation frequency and detection time cost.

The application relates to the technical field of electric inspection, and particularly discloses a real vehicle function safety test system based on fault injection, which comprises a real-time control module, a bus simulation device, a customized fault injection module, a three-way switching device, a vehicle model adaptive connector and an evaluation module. The application realizes the same programmable platform for communication message injection and electrical fault injection, supports joint scenes, does not need to change lines or disassemble and assemble ECUs, one-key restores the original vehicle state and supports fault code clearing, significantly reduces test preparation and recovery time, can guarantee real-time performance, supports complex injection strategies and automatic regression testing, and finally can automatically troubleshoot the bus simulation device according to the operation process.

This utility model provides a modular, multi-scenario testing device for an insulating rope ladder. The device includes a base with a cover plate that closes to form a storage cavity. Two sets of support cylinders are mounted on either side of the base, installed upside down, with support feet attached to their shaft ends. Two sets of tripods are mounted on the cover plate, with a rotating shaft connecting them. Modular components are mounted on the rotating shaft, each including a mounting block. Two mounting plates are mounted on the rotating shaft, with the mounting block positioned between the mounting plates. Two sets of slide rails are also provided on the cover plate, with support components mounted on them. This device allows for flexible height adjustment via the support components to adapt to different scenarios. The modular components enable rapid assembly, improving test preparation efficiency and reducing preparation time.

The application provides a motor train city area braking software integrated test system, and relates to the motor train city area braking software test technical field.The system comprises: a plurality of electronic brake control unit cabinets to be tested, a plurality of sub-simulation nodes, a main simulation node and a test service node; the sub-simulation nodes are electrically connected with the corresponding electronic brake control unit cabinets respectively, are used for simulating the external input signals of the electronic brake control unit cabinets and collecting the output signals of the electronic brake control unit cabinets; the main simulation node is used for controlling the signal interaction between the sub-simulation nodes and the electronic brake control unit cabinets by managing the train communication network and simulating the train bus control instructions; the test service node is used for uniformly configuring, parameter issuing and scheduling controlling the main simulation node and the sub-simulation nodes, and analyzing the output signals to generate a test report.The application realizes software configuration instead of physical replacement, significantly shortens the test preparation time, improves the test stability and prolongs the hardware life.

The utility model relates to welding piece strength test technical field, concretely is a kind of welding piece strength test device, the fixed subassembly includes four connecting pieces, four the connecting pieces are fixedly connected in the top of fixed frame respectively, the inside of four the connecting pieces is fixedly connected with fixed bottom plate jointly, recess is set up in the inside of fixed bottom plate, four sliding grooves one are set up in the inside of fixed bottom plate. This welding piece strength test device, can guarantee that welding piece is in correct stress state in testing process, avoid the uneven partial stress, sliding or rotation etc. caused by clamping instability, to make the test result real reflection welding piece's strength performance, reduce test error, improve the reliability and repeatability of data, need not frequent adjustment clamp or reinstallation welding piece, can reduce test preparation time and the test interruption frequency caused by clamping problem, make testing process more smooth, to improve overall test efficiency.

The application provides a 4-meter wind tunnel tilt-rotor test method based on a four-degree-of-freedom support platform, and belongs to the technical field of wind tunnel test of tilt-rotor. The purpose is to solve the problems of high operation cost, complex test preparation, long occupation period and being not conducive to rapid screening and verification of new aerodynamic layout in the prior art that a 2-meter tilt-rotor model test is carried out in a large-size wind tunnel with a size of 8 meters or more, although the tilt process can be completely simulated. In the application, S1 is horizontal direction leveling of the tilt-rotor; S2 is straightening along the axis of the wind tunnel; S3 is active compensation of the spatial position of the tilt-rotor; and S4 is the wind tunnel test of the tilt-rotor. The application solves the problems of high operation cost, complex test preparation, long occupation period and being not conducive to rapid screening and verification of new aerodynamic layout in the prior art that a 2-meter tilt-rotor model test is carried out in a large-size wind tunnel with a size of 8 meters or more, although the tilt process can be completely simulated.

This invention belongs to the field of engine turbocharger testing technology and discloses a method and system for evaluating the transient response of engine turbochargers. The method includes: test preparation, operating condition setting, transient excitation and data acquisition, calculation of speed increment time, calculation of intake pressure to establish efficiency indicators, and two-dimensional diagnostic evaluation. This invention effectively solves the technical problem that existing evaluation parameters cannot distinguish the root cause of response lag, and has advantages such as accurate positioning and strong guidance. It is particularly suitable for the research and optimization of turbocharger systems with stringent transient response requirements, such as hydrogen fuel cell internal combustion engines.

This application discloses a three-dimensional moving high-pressure water jet testing device, a trench morphology measurement system, and a testing method. The system includes: a three-axis sliding system for driving a high-pressure spray gun to perform precise three-dimensional movement above the test water tank; a high-pressure jet execution unit with a water pump frequency converter and an electromagnetic flowmeter for generating and closed-loop controlling the high-pressure jet; a data detection and collection unit including a multi-beam sonar and a high-speed camera for acquiring terrain and process image data; and a central control unit for integrating and controlling the aforementioned units. The testing method includes: S1, test preparation and initialization; S2, pre-scanning; S3, initial position positioning; S4, water pump power adjustment; S5, jet execution; S6, real-time monitoring; and S7, post-scanning and data analysis. This invention achieves adaptive matching of jet parameters and terrain, solving the problems of low automation and lack of terrain feedback in traditional testing methods, significantly improving the accuracy, efficiency, and reliability of the test.

The present application relates to the technical field of wind tunnel test device, especially to a wind tunnel optical window switching device and method. The device comprises two first moving pairs, a first driving part, a first transmission reversing structure, a storage box, two second moving pairs, a second driving part and a second transmission reversing structure. The two first moving pairs are arranged at intervals, and the storage box is located between the two first moving pairs. The storage box has a plurality of placement grooves for placing optical windows along the sliding direction of the horizontal sliding block. Each placement groove is parallel to the end face of the optical window to be installed. The device uses one driving part to synchronously drive the two moving pairs to realize horizontal movement, and uses another driving part to synchronously drive the two moving pairs to realize vertical movement. The device has a simple structure and good movement synchronization, can better ensure the stability and accuracy of movement, reduce the installation difficulty, improve the installation effect, greatly save the wind tunnel test preparation time, and reduce the risk of optical window replacement.

The application discloses a large-scale structure test multifunctional bearing platform and a test method thereof, and belongs to the technical field of structure strength test. The platform comprises a bearing frame, an inspection / maintenance device and a power supply system integrated on the bearing frame. A plurality of mounting positions for mounting loading equipment are arranged on the bearing frame; the inspection / maintenance device is fixedly connected to the bearing frame and is used for providing a work channel to the mounting positions; the power supply system comprises a power system oil path distribution device arranged on the bearing frame and a connecting pipeline, and the power system oil path distribution device is provided with standardized interfaces used for connecting the loading equipment. The inspection and maintenance function, the integrated power supply system and the bearing frame are designed integrally, so that the problems of difficult equipment inspection and maintenance, scattered power supply and long test preparation period in traditional large-scale structure test are effectively solved, and the test efficiency and safety are remarkably improved.

This utility model discloses a handheld temperature, humidity, dew point, and micro-moisture detector, comprising: an instrument body; a handheld portion at the lower end of the instrument body, divided by a partition into chambers A and B for storing auxiliary components used in gas temperature, humidity, dew point, and micro-moisture detection, and for connecting the instrument body to the handheld portion. The partition divides the inner cavity of the handheld portion of the instrument body into chambers A and B, allowing for the categorized storage of auxiliary components of different specifications, preventing components from becoming tangled or compressed; a magnetic storage cover, with magnetic blocks tightly adhering to the inner groove of the metal cover, effectively prevents dust and moisture, greatly reducing the risk of sensor damage from impacts and component loss, providing reliable storage protection for the auxiliary components. By clearly defining the storage location of each auxiliary component, the dual-chamber partitioned storage advantage is fully utilized, eliminating the cumbersome process of searching for components in traditional equipment. Users can quickly retrieve and return the required components, significantly shortening pre-test preparation time and significantly improving overall testing efficiency.

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.

This invention belongs to the technical field of strength testing devices, specifically a corrugated paper performance strength testing support device, including a testing instrument. The top of the testing instrument is connected to a tray and a frame. A first electric cylinder is installed on the frame, and a dynamic pressure plate that works with the tray is connected to the bottom of the first electric cylinder. In this invention, a hydraulic pump, an annular sleeve, and a first and second atomizing nozzles spray water mist evenly, achieving controllable simulation of the humidity of the environment in which the corrugated paper is used. The second atomizing nozzle is positioned directly opposite the corrugated core layer. Combined with the dynamic angle adjustment function, the efficiency of water mist penetration into the core layer is significantly improved, shortening the humidity pretreatment time. The integration of functions such as automatic centering, automatic reset, rapid drying, mode switching, and direction adjustment significantly shortens the test preparation time. At the same time, it ensures that each test is conducted under precise centering and stable drying conditions, effectively improving the accuracy and repeatability of the test results.

The application relates to a double-channel pressure detection device and method for pressure maintaining controller pressure maintaining capacity testing, which comprises a high-pressure container, a threaded pressure ring and a bushing sealing block. The bushing sealing block comprises a sealing main body part and a circular ring part. A first sealing element is arranged between the sealing main body part and the inner wall of the high-pressure container. The circular ring part is used for mounting a valve seat of the pressure maintaining controller, the valve seat can be mounted in the circular ring part, the sealing main body part is provided with a middle through hole and an overflow hole, the inner end of the overflow hole is shielded by the bottom end face of the valve seat, and the inner end face of the sealing main body part is provided with a second sealing element. When the valve seat is mounted in the circular ring part, the second sealing element can be in contact with the bottom of the valve seat. The application has the advantages of strong adaptability and low cost. By replacing non-pressure-bearing bushing sealing blocks with different inner diameters, the testing adaptability of multi-size pressure maintaining controllers can be realized, exclusive tooling is not needed, the device is small in size, light in weight, space-saving, the material and processing cost is greatly reduced, the testing preparation period is shortened, and the testing efficiency of multi-specification products is improved.

This utility model discloses a sealed waterproof test chamber, belonging to the technical field of waterproof testing instruments. It includes: a test chamber body; a partition is installed inside the test chamber body; a water storage tank is installed on the bottom inner wall of the test chamber body; a filter plate is installed on the top of the water storage tank; a test platform is installed on the top of the filter plate; a water inlet pipe is connected to one side of the water storage tank; a water pump is connected to the other side of the water storage tank; a connecting hose is connected to the outlet of the water pump; two sets of screws are rotatably installed on the top of the test chamber body; threaded sleeves are threadedly connected to the outer sides of both sets of screws; and U-shaped frames are fixedly installed at the bottom of the two sets of threaded sleeves. This design reduces water waste and, for test items of different sizes, allows adjustment of the spray height to maintain a suitable distance between the nozzle and the item, ensuring that the test pressure and coverage meet standards. This greatly expands the applicability of the test chamber, improves the versatility of the equipment, reduces manpower input, and shortens test preparation time.

The present application relates to the technical field of material testing and engineering durability evaluation, and particularly relates to a method for predicting the service life of a aqueduct concrete. The method comprises the following steps: obtaining the mixing ratio, aggregate and environmental parameters, generating unified configuration parameters through test preparation, parameter solidification and terminology management; performing multi-field coupling loading and full-process recording to generate a time slice index table with spatial mapping relationship; performing synchronous measurement, extracting the correlation characteristics of micro-pore evolution and macro-permeability decay, and constructing a permeability and pore characteristic parameter set; finally, through model training and feature mapping and weight adjustment processing from the laboratory to the field, the laboratory model is migrated to the field scene and a durability evaluation report containing maintenance recommendations is generated. The present application solves the problems of disconnection between micro-pores and macro-performance, and large deviation between laboratory and field data, significantly improves the accuracy and engineering applicability of life prediction, and provides a reliable basis for aqueduct maintenance.

1. The name of the design product: the main body of the cover of the battery testing machine. 2. The use of the design product: the overall use is for testing or testing preparation of the battery in the lithium battery production process; the partial use is for covering and protecting the internal components of the battery testing machine. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other circumstances that need to be explained: the red translucent cover content does not belong to the protected design content.

This utility model discloses a device for open-circuit testing of surge protectors, relating to the field of surge protector testing technology. It includes a base plate with support seats fixedly installed at each of the four corners of its lower surface, and a control device fixedly installed at one end of its upper surface. This utility model, through the setting of a limiting mechanism, can improve testing stability and reduce human error. Standardized clamping force is achieved through the combination of mechanical compression and elastic clamping. Combined with an L-shaped clamping plate to limit the horizontal displacement and vertical sway of the surge protector, it avoids product displacement caused by uneven force in traditional manual fixing, ensuring stable conduction of the test circuit and accurate results. Furthermore, the limiting mechanism simplifies the operation process and improves testing efficiency. No additional manual clamping steps are required; the operator can trigger clamping by pushing the sliding seat, and the clamping plate can be reset by pushing it back after testing. This significantly shortens the preparation and waiting time for testing a single device, adapting to the needs of large-scale continuous testing.

The application belongs to the technical field of inertial navigation and discloses a special fixture for testing inertial navigation equipment, which comprises a fixture frame, and the inside of both sides of the fixture frame is movably provided with an adjusting and clamping assembly; the adjusting and clamping assembly comprises a driving gear; the application further discloses a testing method for inertial navigation equipment, which comprises testing preparation: checking the integrity of the appearance of the equipment and the firmness of the parts, preparing the testing host, cables and calibration device supporting equipment, cleaning the testing area and confirming that the environmental temperature and humidity and electromagnetic interference conditions meet the requirements; through the cooperation of the adjusting and clamping assembly and the turnover cover and other structures, the two sets of clamping frames are controlled by rotating to clamp the navigation equipment, so that the adjusting efficiency is improved; only one set of rotating structure needs to be controlled to synchronously drive the adjusting structure to rotate, the efficiency is effectively improved, the working pressure of the staff is reduced, and the test is not affected.

The utility model provides a kind of test tube cleaner for medicament test, it is related to test tube cleaning equipment field, including operating lever, recess inner wall fixedly connected with cleaning device being opened in operating lever bottom, it is moved to the direction of sleeve by driving ring belt driving its self upper setting fixed ring, while moving, fixed ring will be rotated by the fixed block being set on its self belt driving first hinged frame, when first hinged frame is rotated, first hinged frame will be driven movable plate to expand outward by the end away from fixed block, while movable plate expands outward, two second hinged frames are driven to rotate, to support the inner wall of test tube by movable plate and cleaning brush being set on movable plate, then start driving motor to drive movable plate and cleaning brush to clean test tube, this device reduces the probability that it will significantly slow down test preparation or end efficiency in batch cleaning scene.

The application relates to the technical field of lamp testing, and particularly discloses a LED warning light flicker test system, which comprises a fault selection module, a pre-test preparation module, a failure test module and a report generation module. The fault selection module identifies sensitive nodes according to the topology and driving mode of an LED array, determines a test fault mode by combining the nonlinear synergistic effect of a composite fault, and makes a pre-judgment. The pre-test preparation module ensures that the warning light is preheated to reach thermal equilibrium and the power supply is stable before testing. The failure test module sequentially accesses the fault mode, detects whether the warning state jumps, matches the photoelectric parameters of the state after jumping and the normal state, and determines whether the non-expected warning is induced. The report generation module counts the fault modes that induce the non-expected warning and generates a report. The application can simulate local LED failure and determine whether the failure leads to non-instructional flickering or constant mode switching, thereby identifying the fault mode that induces the non-expected warning state jump, and is beneficial to the circuit design and reliability optimization of the warning light.

The application provides a Python-based multi-thread remote server stability test system and method, and relates to the technical field of server testing.The system comprises a GUI interaction module, a multi-thread control module, an SSH communication module and the like, test parameters can be input through a GUI visual interface, password-free login is not required, and multiple servers can be tested in parallel;the method collects server component information through SSH remote connection, compares the information collected for the first time, executes test modes such as AC cycle and reboot, and collects and stores test logs out-of-band.The application simplifies the test preparation process, avoids the security risks of password-free login, improves the efficiency of multi-server parallel testing, and is convenient for abnormal traceability, and is suitable for stability test scenarios of large-scale server clusters.

The utility model relates to a model support device for airplane and automobile wind tunnel test, belonging to the technical field of wind tunnel test. The utility model solves the problem that the prior art cannot simultaneously satisfy the structural change of airplane model test and automobile model test. Technical points: the side slide angle mechanism is fixed in the middle part of the support base, the top of the side slide angle mechanism is equipped with the pitch angle mechanism, the model support rod is installed on the pitch angle mechanism, the test model is installed on the model support rod, two wallboards are symmetrically hinged on the top of the support base on the front and rear two sides, the fixed end of the electric cylinder is installed on the support base, the execution end is hinged with the wallboard, and the electric cylinder drives the wallboard to rotate from the vertical state to the horizontal state. The utility model can simultaneously satisfy the requirements of airplane model test and automobile model test through the structural change of the model support device itself, shorten the test preparation time, improve the efficiency and reduce the equipment cost.

The utility model discloses an avalanche performance test box structure of power semiconductor device relates to integrated circuit manufacturing technical field, and the utility model discloses a test box is equipped with installing mechanism in the middle part of test box for replacing the drive board and semiconductor device main part fast, and installing mechanism includes: replacement subassembly includes the frame fixed mounting in the middle part of test box, and the tray is slid outward along the limiting rod under the drive of the air cylinder of this application, until the tray is completely removed test box outside, when installing drive board, aligning installation slot and pressing down, make its contact pin and drive board pad close contact under the spring restoring force effect, realize electrical connection and the firm fixing of drive board, and when installing semiconductor device main body, utilize the adsorption between permanent magnet and tray and realize fast and stable fixation to semiconductor device main body pin, significantly shorten the test preparation time, improve the test efficiency, guarantee the reliability of electrical connection simultaneously.

A protocol testing system for space network protocols is disclosed. The system comprises a logical control plane and a protocol testing plane. The logical control plane consists of a main controller and test function modules connected to the main controller, forming a tester, database, and protocol implementation MIB information management library. The main controller interacts with the protocol under test through an interactive interface, including the input steps of the test system and the selection steps of the test function modules: 1) Input to the test system, including input during the test preparation phase and input during the test process; 2) Selection of test function modules. The protocol testing plane implements: 1) Construction of conformance testing and interoperability testing scenarios; 2) Monitoring and data storage of protocol response and interaction processes, making space network protocol testing flexible, convenient, simple, and fast.

This utility model discloses a multifunctional fixture for measuring the hardness of a headrest, relating to the field of automotive parts testing technology. It includes a base plate with symmetrically arranged supports on the base plate. Bearings are connected to the supports, and guide rod seats are connected to the guide rod seats. A guide rod is connected to the guide rod, which has a fixing part for fixing the headrest rod. An angle-adjusting part is provided on the base plate for adjusting the angle of the fixing part. A scale is provided on the side of the supports, and a pointer is provided at the end of the bearings. This multifunctional fixture for measuring the hardness of a headrest allows for precise adjustment of the headrest rod's position and angle, enabling rapid adjustment to a suitable measurement position. This ensures the headrest is in an accurate position during measurement, is compatible with various headrests, improves versatility, reduces the cost for companies to equip different headrests with multiple fixtures, improves the accuracy and reliability of measurement data, increases testing efficiency, reduces test preparation time, and meets the rapid testing needs of large-scale production lines.