53results about How to "Easy to test" patented technology

The present application relates to a method for predicting fatigue crack propagation rate of a diffusion bonded dissimilar titanium alloy laminate structure, which is based on the mechanical properties of the constituent materials of the dissimilar titanium alloy laminate structure, i.e., the quasi-static tensile properties of the two titanium alloy plies. The method for predicting fatigue crack propagation rate of the diffusion bonded dissimilar titanium alloy laminate structure first establishes the relationship between the fatigue crack propagation rate of the laminate structure and the mechanical properties of the laminate structure, and then establishes the relationship between the mechanical properties of the laminate structure and the mechanical properties of the dissimilar titanium alloy single ply, thereby describing the relationship of the fatigue crack propagation rate of the laminate structure. Compared with the prior art, the method of the present application has the advantages of simple and convenient test, engineering precision, rapid and practical, etc., and effectively reduces the test cost and test time required for crack propagation test of the dissimilar titanium alloy laminate structure processed from different parameters.

This disclosure provides a signal testing method, system, device, storage medium, and program product for chips, relating to the field of semiconductor technology. It addresses the technical problem of low chip testing efficiency. The chip has multiple input signals. The signal testing method includes: acquiring all input signals of the device chip; obtaining the time parameters of each device input signal; and generating a result table of the time parameters of all device input signals. By acquiring all input signals of the chip and obtaining the time parameters of each input signal, and obtaining a result table of the time parameters of all input signals, batch testing of the chip's input signals is achieved, improving the design efficiency of circuit designers, facilitating the design of test circuits, and increasing testing efficiency.

The utility model discloses a tool for gate valve leakproofness test, including the first vertical rod and the second vertical rod of symmetrical interval arrangement, set up in the upper portion of first vertical rod and second vertical rod's simulation vacuum board, set up in the lower portion of first vertical rod and second vertical rod's control box, one side of simulation vacuum board is provided with simulation vacuum cavity and sealing groove, the other side of simulation vacuum board is provided with flange pipe, simulation vacuum board is provided with simulation hole, simulation hole with simulation vacuum cavity and flange pipe intercommunication, the tool of the utility model can simulate actual vacuum cavity through simulation vacuum cavity, improve test result accuracy, and through first vertical rod and second vertical rod to support simulation vacuum board, and set up control box to place controller, can protect the controller, and can integral handling, and test is more convenient.

The application discloses a kind of measuring camera image high dynamic range device and method, it is provided with optical darkroom, wide dynamic light source, lens and host computer, wherein lens is installed at the opening of optical darkroom, wide dynamic light source is installed in optical darkroom inside facing lens, and wide dynamic light source includes LED lamp group and time sequence control circuit module;The target surface of the scientific camera to be measured is connected with lens, and host computer is connected with the scientific camera to be measured to establish control connection and data connection;Host computer starts the scientific camera to be measured and sends measurement start instruction to time sequence control circuit module in wide dynamic light source, time sequence control circuit module starts LED lamp group and controls the light-emitting duration of each LED lamp, after the image is photographed to the scientific camera to be measured, it is uploaded to host computer, and host computer obtains the dynamic range of the scientific camera to be measured by detecting the number of LED light spot in image.This application obtains dynamic range by analyzing the image that the scientific camera to be measured is photographed to wide dynamic light source, effectively improves dynamic ratio measurement range.

The application provides a steel structure beam supporting device and a load monitoring system thereof, and relates to the technical field of steel structures. The steel structure beam supporting device and the load monitoring system thereof comprise a base, a stand column fixedly connected to the top of the base, a cross beam fixedly connected to the top end of the stand column, rotating sleeves arranged on the two sides of the stand column, threaded rods arranged in the rotating sleeves, rotating plates rotatably connected to the top ends of the threaded rods, upper connecting plates fixedly connected to the top of the rotating plates, upper connecting sleeves rotatably connected to the top of the upper connecting plates, load sensors fixedly connected to the inside of the upper connecting sleeves, and support assemblies arranged in the support plates. The steel structure beam supporting device and the load monitoring system thereof are beneficial to monitoring the load pressure of the rotating sleeves and the threaded rods at different positions and different angles, thereby facilitating the testing of suitable support positions, and facilitating the welding and fixing of the steel beam supporting device according to the data, and improving the stability.

The utility model provides a kind of cylindrical battery clamp device, including support assembly, test fixture assembly, the support assembly is equipped with several layers test fixture assembly, the support assembly includes support, bottom plate, support plate, fixture mounting plate, the utility model has the beneficial effect that after fixing the height of cylindrical battery, two test ends move and respectively and the both ends of cylindrical battery abut, the distance between two test ends matches the length of cylindrical battery, the movement of cylindrical battery along its length direction is limited by two test ends, on the basis of guaranteeing the reliability of cylindrical battery test fixture to cylindrical battery clamping, the applicability of cylindrical battery test fixture to different size, different specification cylindrical battery is improved, it is simple and stable and clamping convenient and reliable, test error is small and cylindrical battery contact can be conveniently adjusted, and the structure is simple, ingenious, and low in manufacturing cost.

The utility model relates to a reaction flywheel line box, including base, apron, PCB board and connector, the base is hollow in the inside upper end opening cuboid, is equipped with two installation notches in the front and back of base, the installation notch on the front of base and the installation notch on the back of base are symmetrically arranged, two lugs are vertically connected in the front side and the rear side edge mouth place below the apron, the apron cover is equipped in the upper end opening place of base, four lug corresponding insertion installation notches, form spaceflight spare connector interface between the lower end of lug and the bottom surface of installation notch, two connectors are connected through the pin on the upper and lower sides of PCB board, the PCB board is fixed in the inside of base, four connector corresponding clamping in spaceflight spare connector interface, install the ear in four corner places below base, be equipped with mounting hole on the mounting ear.

The utility model relates to a kind of coating drying chamber equipment safety detection and intelligent protection device, including main support, push rod, gyro wheel and sensor;Gyro wheel is rotatably arranged on the top of main support first end, push rod is slidably arranged on the top of main support middle end, sensor is arranged on the top of main support second end, when push rod first end and gyro wheel roll, push rod second end blocks sensor;Gyro wheel is arranged inside drying chamber, sensor is arranged outside drying chamber;The utility model not only can avoid the risk of damage of detection system under high temperature and high humidity environment, and solve the problem that drying chamber internal detection system failure leads to production line frequent failure, personnel routine can be conveniently patrolling line, inspection, test outside drying chamber, guarantee the effectiveness, soundness of sensor.

The application discloses an infrared detection system, a detection method and a washing machine. The infrared detection system comprises an infrared emitter tube, an infrared receiver tube, a power amplifier circuit, a signal processing circuit module and a detection control circuit. The infrared receiver tube receives the infrared signal emitted by the infrared emitter tube. The power amplifier circuit performs power amplification on the infrared signal received by the infrared receiver tube to obtain a power amplified signal. The signal processing circuit module collects and processes the infrared signals output by the infrared emitter tube and the infrared receiver tube and obtains a processed signal. The detection system and method provided by the application can detect whether the infrared detection function of the infrared detection system is abnormal according to the power amplified signal and the processed signal. When the infrared detection function is detected to be abnormal, the specific element that fails in the infrared detection system can be determined according to the different signal states of the processed signal, so that the production line test and the positioning of the element failure point are facilitated, and the later maintenance is facilitated.

The application provides a method and system for batch processing based on account dimension, terminal equipment and storage medium, and relates to the field of computer systems. The application processes according to the customer dimension, which is more in line with the current credit card business demand scene. The current scheme is a scheme that takes into account the highest throughput of the customer processing capability. The file configuration is used to realize processing only for part of the customers, which is convenient for testing. The processing architecture of the application takes the customer as the dimension. All customers in the system are traversed, and then each account under the name of a single customer is processed, so that the customer dimension processing and the account dimension processing can be realized.

This utility model discloses a CPU testing device for a cable modem, including a main control module, a connecting circuit board, and a hardware interface board. The main control module is housed in a base box and communicates with the connecting circuit board. The hardware interface board includes a board body, a mounting bracket, and a probe module. The board body is fixedly connected to the top of the base box, and the connecting circuit board is clamped between the board body and the base box. The mounting bracket includes a cover and a base, and the base, probe module, and board body are detachably and fixedly connected. The probe module includes a drilling plate, a probe plate, a floating plate, and a limiting frame. This utility model provides a hardware testing interface specifically for testing the CPU of a cable modem. After connecting the CPU under test to the connecting circuit board through the hardware testing interface, the test software can be run through communication between the connecting circuit board and the main control module to perform the test, simplifying the CPU testing process. Furthermore, the probe module adopts a modular design, making it easy to replace and adapt to the testing of CPUs of different specifications, thus exhibiting good versatility.

This invention relates to a system and method for measuring the internal flow field of film cooling holes in aero-engine blades based on refractive index matching. The system includes a main flow section, a transparent material body below the main flow section, and film cooling holes embedded within the transparent material body. Cooling fluid flows through the film cooling holes. A laser is positioned above the main flow section, and a high-speed camera is positioned outside the transparent material body. The irradiation range of the laser and the imaging range of the high-speed camera both cover the internal channel region of the film cooling holes. The measurement method includes: introducing the main flow medium into the main flow section, introducing the cooling fluid into the film cooling holes, irradiating the flow field region inside the film cooling holes with a laser beam, and continuously acquiring images of the flow field region using the high-speed camera. Compared with existing technologies, this invention overcomes the optical limitations of traditional methods in measuring complex channels and near-wall regions, significantly improving the visualization and measurement level of the flow structure inside film cooling holes.

The application discloses a game program testing method and device and a computer storage medium, and belongs to the technical field of games. The method comprises the following steps: acquiring first to-be-tested data; adjusting a game program in a game server into a first game program according to the first to-be-tested data; acquiring a running log of the first game program; acquiring second to-be-tested data based on the running log; and adjusting the first game program in the game server into a second game program according to the second to-be-tested data. The method adjusts the game program in the game server according to the first to-be-tested data, then acquires the running log of the adjusted game program, and then acquires the second to-be-tested data based on the running log, so that the game program can be adjusted according to the second to-be-tested data, the testing of the data can be completed without the cooperation of a developer in the whole testing process, and the efficiency of game program testing is improved.

This invention relates to an experimental method and apparatus for simulating deep karst collapse induced by overloading of dense building complexes. The apparatus includes: a model test chamber for placing test soil; a karst channel mechanism with karst channels of different sizes distributed throughout; a loading mechanism for simulating the application of loads to dense urban building complexes and soil consolidation; an intelligent display mechanism; an image acquisition mechanism for observing changes in the overlying soil layer and the underlying karst channels during the loading process; a data analysis mechanism; a karst collapse soil collection mechanism for collecting collapsed soil; and a support mechanism for providing reaction forces to balance the applied load. Compared with existing technologies, this invention can provide technical support for studying deep karst collapse induced by static overloading of dense urban building complexes, reveal the mechanism of deep karst collapse under static overloading of dense urban building complexes, determine the critical disaster-causing and destructive conditions of deep urban karst collapse, and provide reference value for the treatment and prevention of deep urban karst collapse.

Disclosed is a bending stress application device for breakdown test, wherein a work platform is immersed in insulating oil; a pair of slide rails are vertically connected to the work platform; a high-voltage electrode is supported on the telescopic work platform and located between the pair of slide rails; an insulating support is vertically movably slid between the pair of slide rails; a ground electrode is transversely movably arranged on the insulating support, and the ground electrode and the high-voltage electrode are both immersed in the insulating oil; a sample is connected between the ground electrode and the high-voltage electrode and a predetermined bending stress is applied via the ground electrode.

This invention provides a portable flotation aeration rate testing instrument and measurement method. The instrument includes a mechanical package and instruments installed within the mechanical package. The mechanical package includes a front cover, a middle cover, an inner cover, a rear cover, a battery cover, a variable diameter guide pipe, and an exhaust pipe. The front and rear covers are closed, with the middle cover located between them. The inner cover is fixed to the middle cover, and the battery cover is located inside the middle cover. The instruments include a miniature thermal flow meter, an LCD screen, a switch, a microcontroller, and a lithium battery power supply. The miniature thermal flow meter is fixed inside the middle cover with bolts, the LCD screen is fixed to the inner cover with adhesive, the switch is fixed to the inner cover, the microcontroller is fixed to the middle cover, and the lithium battery power supply is located inside the middle cover. This invention reduces testing steps and equipment weight during measurement, eliminates experimental errors caused by visual observation of liquid level changes and manual timing, avoids installing too many instruments, and saves costs.

The application belongs to the field of display module residual image quantitative test, and relates to a display module residual image quantitative test device, which comprises a lower jig, an upper jig b provided above the lower jig, and an upper jig a fixedly connected to one side of the upper jig b; a shielding assembly provided between the lower jig and the upper jig b, the shielding assembly comprising a through hole b, a partition grid a and an optical test probe; and a switching assembly provided on the top of the lower jig. Through the arrangement of the shielding assembly, the upper jig a or the upper jig b can cover the entire display module main screen area, and only the through hole a or the through hole b position is reserved for brightness measurement, external light interference is effectively shielded, and it is ensured that the measurement data reflects the true brightness value of the display module main body itself. Through the arrangement of the switching assembly, the switching of the upper jig a and the upper jig b can facilitate the test of the black-white junction center position and improve the detection comprehensiveness.

This invention relates to the field of intelligent roundness measurement technology, and more particularly to a roundness measurement device for a hydro-generator rotor. The device includes a testing platform with a hoisting and placement mechanism, a clamping and rotating mechanism, and a cleaning mechanism at its top. The hoisting and placement mechanism includes two clamping plates symmetrically arranged, each with a trapezoidal block fixedly connected to one end near each other. The clamping plates are used to clamp and fix the upper part of the rotor body. The clamping and rotating mechanism includes two fixed discs symmetrically arranged, each with a clamping seat fixedly connected to one end near each other. Each clamping seat has a trapezoidal block fixedly connected to one end near each other, and the clamping seats and clamping plates form a cylinder. This invention avoids the need for subsequent adjustments to the rotor body during placement, reducing time waste and improving placement efficiency, thereby increasing the efficiency of subsequent roundness testing of the rotor body.

The present application relates to the technical field of optical communication, in particular to a circuit and method for conveniently testing SD response time; when testing the SD response time, the sampling and holding function of an OLT chip is directly used, and the delay calibration step of a BEN signal and an RX IN signal only needs to be performed once and recorded to be fixed in actual mass production testing, so that the SD response time testing is more low-cost and fast.

This invention discloses a dual-sided electrode post DCR testing device for battery cells, relating to the field of DCR testing equipment. It includes a fixed plate, a housing connected to the upper surface of the fixed plate, a telescopic mechanism connected to the inner wall of the housing, and a positioning mechanism connected to the upper surface of the housing. This invention utilizes the tension provided by a tension spring to facilitate the sliding of a sliding plate within the housing, and to allow the sliding cylinder to follow the movement of the sliding rod surface. Simultaneously, the connection between the sliding plate and the second test head facilitates the second test head approaching the first test head to clamp the battery cell. Then, the pushing force of an electric push rod facilitates the pushing of a pressure pad towards the battery cell, simultaneously promoting pressure and positioning of the battery cell. The design of the second test head, the first test head, and the pressure pad increases the stability of the battery cell, preventing displacement during testing. The design of the second test head, the first test head, and the test body facilitates the testing of the battery cell.

The utility model discloses a kind of electric vehicle test platform, it is related to electric vehicle test technical field, and the utility model includes fixed platform, and the both sides of fixed platform are slidably installed with telescopic platform, two movable plates are slidably installed in two telescopic platforms, and detachably installed with test roller between two movable plates of same side, and the outer surface of test roller is fixedly installed with convex strip, and the outer surface of test roller and the outer surface of electric tricycle wheel are in movable contact, the utility model in the present application is moved by setting cross bar and drives telescopic platform, to drive test roller to move, the distance between two test rollers is adjusted, different sizes electric tricycle are tested conveniently, improve the practicability of device, the utility model in the present application is limited to test roller by in plug rod, the installation and disassembly of test roller are realized, test roller is replaced conveniently, and then by the replacement of test roller, device can simulate different road surface and test electric tricycle, improve the practicability of device.

The utility model discloses a kind of special coupling tool for aviation magneto test, comprising: bearing frame body, the bearing frame body is assembled on test bench, transmission shaft body is provided in the bearing frame body, transmission shaft body one end is connected with test motor output end, transmission shaft body setting in the bearing frame body is connected concentrically with magneto by connecting assembly, the connecting assembly includes shaft coupling body, transmission shaft butt joint groove is opened in the shaft coupling body, transmission shaft butt joint groove is connected with transmission shaft body butt joint. The special coupling tool for aviation magneto test can make the shaft coupling body in the magneto mounting seat body shell. Even if the shaft coupling falls off in extreme cases, it can also prevent the shaft coupling from flying out, avoid causing other injuries, and the shaft coupling is made of stainless steel, which is a hard connection. It can effectively prevent deformation and vibration during high-speed operation, improving the practicality and safety of the device.

The application provides a multi-type inverter hanging test rack, which comprises a test main frame and an inverter hanging frame, the upper end of the inverter hanging frame is provided with a hook, the central part of the inverter hanging frame is provided with a threaded hole and a mounting notch, the two ends of the test main frame are provided with power air switches and grounding terminals, the inner end of the inverter hanging frame is provided with an embedded groove, the inner end of the embedded groove is provided with a positioning plate, the central part of the positioning plate is provided with a positioning rod and a positioning hole, the upper end of the positioning plate is provided with a positioning shaft and a positioning ring, the outer end of the positioning ring is provided with a moving rod, the outer end of the moving rod is provided with a moving frame, the inner end of the moving frame is provided with a rack, and the outer end of the rack is provided with a gear. The application is hung on the test main frame through a multi-application inverter hanging frame, power air switches and grounding terminals are provided for each hanging test position, so that multiple inverters can be hung and tested at the same time, space waste is saved, and related wire harnesses are sorted to a certain extent.

The application provides a simulation test device, a test method, a computer storage medium and an electronic device. The simulation test device comprises a support, a first driving element and a second driving element arranged on the support, a simulation box having a connecting surface of a to-be-tested element, an installation element of the to-be-tested element being capable of being sealingly installed at the connecting surface of the to-be-tested element, the first driving element being drivingly connected with the simulation box to enable the simulation box to move vertically, the second driving element being drivingly connected with the simulation box to enable the simulation box to rotate around a vertical axis, and a detection element arranged in the simulation box and used for detecting a sealing performance. Through the technical scheme provided in the application, the problem that a test experiment in the related art cannot meet the requirements can be solved.

The utility model provides a kind of film material modulus testing device, it is related to film modulus testing technical field, including test table, the both ends of test table are welded with fixed frame, the top of test table is provided with fixed test subassembly, the fixed test subassembly includes the fixed base plate of installation in the inboard top end of fixed frame, the both sides of fixed frame are equipped with fixed electric control screw rod, fixed top frame is arranged between the fixed electric control screw rod, the top of test table is provided with connecting frame;By setting fixed test subassembly, by the drive of fixed electric control screw rod, so that fixed top frame can drive fixed clamping plate to lift, and then realize the clamping and release of test film, in clamping process, the fixed clamping plate of trapezoidal groove and fixed base plate can better clamping test film, while the fixed clamping plate and fixed base plate of rubber material can also provide certain buffer for test film in clamping process, prevent damage test film due to clamping force too large.

This invention relates to the field of system-on-chip (SoC) testing technology, specifically to a dynamic verification method for SoC chips based on a memory consistency model. The method includes collecting memory access data entering the cache controller and generating feature vectors; classifying the feature vectors using a decision tree to filter out risky memory data; expanding test cases based on the risky memory data to obtain test cases; testing the SoC chip based on the test cases; and iterating the decision tree model based on the test results. Addressing the problem that existing SoC verification test cases are ineffective against dynamically changing memory read / write patterns, this invention introduces a hardware monitoring unit into the cache controller to directly capture memory read / write data appearing in the cache. A decision tree model is then used to filter out risky memory data that may cause failures. Based on this, test cases are constructed and expanded to facilitate testing of the SoC's memory read / write mechanism, and the decision tree model is improved to obtain more test cases.

The utility model discloses a logistics part fatigue test mechanism, which comprises a test board, the right side of the inner cavity of the test board is fixedly connected with a fixed frame, and the upper end of the left side of the fixed frame is fixedly provided with a driving motor. According to the utility model, through the arrangement of the test bench, a plurality of groups of linear slide rails and slide blocks required to be tested in logistics can be supported, and through the arrangement of the guide columns, the adjusting screw rods and the limiting baffle plates, the connection transverse plate and the slide blocks can be limited in the test process; the connecting transverse plate can drive the sliding block to move in the follow-up moving process, and through the cooperation effect of a driving motor, a first bevel gear, a second bevel gear, a rotating shaft, a U-shaped rotating rod, a connecting plate, a U-shaped connecting frame, the connecting transverse plate and a limiting baffle, the sliding block can be driven to move. And the sliding blocks can be pushed to reciprocate along the surfaces of the linear sliding rails in the testing process, so that the effect of carrying out synchronous fatigue testing on multiple groups of sliding blocks of the linear sliding rails is realized.

This invention belongs to the field of measurement-while-drilling (MWD) technology and discloses a high-precision dynamic continuous inclinometer. It includes a drill collar, a flow channel connector assembly, a probe assembly, and a rigid connection assembly, all sequentially arranged and connected within the drill collar. The probe assembly includes a probe housing and a probe frame assembly and a quick-rotation structure assembly sequentially arranged within it, connected by a semi-adhesive interlocking structure. The probe frame assembly houses a main control power circuit board, a data acquisition circuit board, three orthogonally arranged quartz flexible accelerometers, a fluxgate processing circuit, and a fluxgate sensor. The quick-rotation structure assembly includes a shaft, a quick-rotation nut, and a helical damper. The upper end of the shaft is connected to a semi-adhesive adapter via the helical damper, and the lower end is fitted with a quick-rotation nut, which is threaded into the probe housing. When screwed on, the nut pushes the shaft shoulder, causing the probe frame assembly to move linearly within the probe housing. This invention enables high-precision, high-reliability dynamic continuous measurement under complex drilling conditions.

This invention provides a time slot planning method and system for a navigation constellation time division multiplexing network, comprising an initialization module, a preprocessing module, a fully autonomous navigation time slot planning module, a non-fully autonomous navigation time slot planning module, and an output module. It sets a navigation constellation time slot table composed of MEO dynamic and static link time slot tables, IGSO dynamic link time slot tables, and GEO dynamic link time slot tables, and determines the total number of time slots to be selected for each time slot table. After initializing the time slot table, according to the prescribed principles of uniqueness within the same column, mutual reference within the same column, rolling filling, uniqueness in the same row, and priority for smaller PDOP values, it generates time slot tables adapted for measurement-centric and communication-secondary functions for two typical scenarios: fully autonomous navigation supported only by inter-satellite links and non-fully autonomous navigation supported by inter-satellite and satellite-to-ground links. This invention generates time slot tables that meet the requirements of measurement-centric and communication-secondary functions under different navigation scenarios through a unified method, possessing good completeness, system compatibility, and task flexibility.