14results about How to "Simplify the test operation process" patented technology

The invention provides a single-electrode silica gel sheet test circuit, device and method for physical therapy. The single-electrode silica gel sheet test circuit comprises a microcontroller, a Darlington tube array chip circuit, a relay array, a signal conditioning circuit and the like. The microcontroller controls the Darlington array to amplify low-power signals, drives the relay array to achieve selection of different test paths, collects and processes test data, and transmits the test data to the computer through a serial port. The relay array alternately switches paths to complete each test item; the signal conditioning circuit is used for adjusting a test signal to meet the AD sampling requirement; the digital control analog switch realizes multiplexing of multiple paths of signals, and a single AD port acquires multiple paths of signals; and the state indicating circuit displays the test result and gives an alarm prompt. The system is specially used for a single electrode plate test scheme, the installation complexity can be remarkably reduced, the stability is improved, and the efficiency is greatly improved.

The invention relates to a characterization method for energy density and response speed of a phase-change energy-storage composite material, which is mainly used for measuring the reachable maximum energy density and response speed of heat transfer of different pure phase-change materials or composite energy-storage phase-change materials. The characterization process comprises the following steps that a heat source transmits heat to the phase-change material through a heat transfer medium, the surface of the phase-change material is in close contact with the heat transfer medium, meanwhile, temperature measurement point positions are distributed at all positions of the phase-change material, and real-time temperature changes of all the positions after heat absorption are recorded; and according to the change condition of the recorded temperature, the final temperature at the end and the characterization duration, test data can be substituted into a calculation formula, so that the energy density and the response speed of the phase-change material of the type or the composite energy storage phase-change material can be solved, and the energy density and the response speed of the phase-change material of the type or the composite energy storage phase-change material of the type can be obtained under the unified standard. And comparing characterization methods of the energy density and the response speed with a theoretical derivation formula of numerical calculation.

The invention discloses a shield grouting layer degradation simulation device and method, and relates to the field of grouting layer degradation simulation tests.The shield grouting layer degradation simulation device comprises a test box, an anti-seismic patch and a water pressure loading device.The test box comprises a bottom plate, fixed side plates are fixed to the two sides of the bottom plate, movable side plates are arranged at the two ends of the bottom plate, and the movable side plates are connected with a horizontal loading device; the upper side of the test box is provided with a cover plate, the cover plate is provided with a through hole for arranging a vibrated plate, and the vibrated plate is connected with a dynamic and static loading device; the diversion trench is pre-fixed on the inner side of the test box, so that the diversion trench is externally attached to the surface of the test block under the action of the horizontal loading device to form a seepage channel; the flow guide groove is provided with a cooling capacity conduction module and a heat conduction module and is used for carrying out freeze thawing simulation; the water pressure loading device is used for supplying water to the water filling nozzle of the test box. According to the device, the scouring and erosion effects of seepage water in a rock stratum on a grouting layer are simulated through the closed flow guide groove, the common influence of permeable scouring and vibration effects is simulated, and seepage water freezing and thawing simulation can be achieved.

The application belongs to the field of material and electronic device mechanical test, and particularly relates to a dynamic mechanical response test device and method of a circuit board under impact. The device comprises a free Hopkinson bar impact unit, which comprises an incident bar, one end of the incident bar being a striking end and the other end being a non-striking end; a mounting base, the mounting base being fixed to the non-striking end of the incident bar, and a circuit board to be tested being detachably fixed on the mounting base; a strain measurement unit, the strain measurement unit comprising three groups of strain gauges; a laser Doppler velocimeter, the measuring point of the laser Doppler velocimeter being switchably arranged on the surface center region of the mounting base or the surface of the circuit board to be tested; and a data processing unit, the data processing unit being electrically connected with the strain measurement unit and the laser Doppler velocimeter respectively, and being used for receiving strain signals and dynamic response signals.

The present invention provides a three-in-one wavelength division multiplexing optical time domain reflectometer system and a control method thereof, comprising a laser emission module, an optical switching module, an optical coupling module, a three-in-one optical port optically connected in sequence, an optical detection receiving module, an amplification module, a data acquisition and analysis module connected in sequence to the optical switching module, and a control module electrically connected to the laser emission module and the data acquisition and analysis module; the laser emission module comprises a DWDM laser emission module, a CWDM laser emission module and a PON laser emission module arranged in parallel. The present invention combines a filtering method with a light source and an optical path design, and the system can provide 115 wavelengths, including 18 wavelengths of CWDM, 96 wavelengths of DWDM, and 1 wavelength of PON. These three light sources can be output through one optical fiber, avoiding the replacement of corresponding optical ports when testing different light sources, saving operation convenience, saving test time, and improving test efficiency and consistency; nanosecond switching between different channels can be achieved by using a multi-channel signal scheduling processing module.

The invention provides a comprehensive testing method and device for an agricultural machine microcontroller and a storage medium, and relates to the technical field of microcontroller testing. The method comprises the steps of firstly building a bidirectional data transmission link with a microcontroller to be tested, then converting a user test demand into a corresponding test instruction, issuing the test instruction, collecting original test data after a test is executed, carrying out standardization processing on the original data, evaluating a test state, if a result is abnormal, creating a correction response flow according to an abnormal type, and if the result is abnormal, completing the test. Re-establishing a link or evaluating to obtain a new result; according to the invention, automation and integration of the whole testing process are realized through a closed-loop process, a splitting link is not needed, manual equipment switching is not needed, comprehensive testing is completed in a one-stop manner, operation is greatly simplified, and efficiency is improved; the abnormality correction mechanism can optimize the process automatically, avoids test interruption, guarantees test continuity and reliability, and provides an efficient and stable solution for factory detection and regular maintenance of the agricultural machine microcontroller.

The present application relates to the technical field of impact resistance detection of ultra-light concrete materials for EMAS, and discloses an impact resistance detection device for ultra-light concrete materials for EMAS, including a frame body, a steel ball, and a test piece. The frame body is provided with a double-hole track column for guiding the steel ball to fall, the cross section of the double-hole track column is two circular holes, and the two circular holes have an intersection. The detection device also includes a bottom plate, the test piece is installed on the bottom plate, and the double-hole track column and the test piece are spaced apart. The detection device also includes an information acquisition component, and the information acquisition component includes a forward high-speed camera, a lateral high-speed camera, and a control terminal, and the forward high-speed camera and the lateral high-speed camera are both electrically connected to the control terminal. The present application can obtain more accurate data on the impact resistance of ultra-light concrete materials for EMAS.

The embodiment of the invention relates to the technical field of server testing, and discloses a server performance testing method, device, system and equipment and a medium, the method is suitable for a testing platform connected with a plurality of testing tools, and the method comprises the steps that after a testing script of a server is obtained, the testing script of the server is obtained; extracting test address information from the test script and performing test processing; determining a test list based on the test address information and starting and ending time of test processing; and calling the test tool to query a test result according to the starting and ending time of the test and the test list. By applying the technical scheme of the invention, the test processing can be automatically performed through the test tool of the test platform, a user does not need to operate the UI page of the tool for processing, and a plurality of nodes do not need to be arranged to be in communication connection with different UI pages, so that the test operation process can be simplified, the test processing time can be shortened, and the test processing efficiency can be improved; and different test requirements of users can be met.

This invention provides a clamping test machine, including a base; a control cabinet is installed at one end of the base; a lifting channel steel rail is installed on the base and located near the control cabinet, with recessed track grooves on opposite sides inside; a lifting assembly is installed inside the lifting channel steel rail and driven to move up and down by a lifting hydraulic cylinder; a relative motion assembly is installed on the lifting assembly, forming a space to accommodate the test piece within the relative motion assembly; a pair of pressure plates are provided, respectively installed on side support plates within the relative motion assembly. This invention uses the lifting assembly installed in the lifting channel steel rail on the base to drive the relative motion assembly to meet the height requirements of the product to be tested. The clamping strength of the pressure plates driven by the relative motion assembly simulates the environmental pressure experienced during transportation, adapting to the clamping requirements of various products. The product is easy to install, the test operation is simple, and it facilitates rapid testing.

The utility model relates to a pulse test circuit for a gamma probe. The pulse test circuit comprises a power supply module, a signal conversion module and a signal processing module, the power supply module is used for converting an alternating-current power supply into a + 5V direct-current power supply and converting the + 5V direct-current power supply into a + 3.3 V direct-current power supply; the signal conversion module is used for filtering the gamma pulse signal through a comparator and isolating the gamma pulse signal through a photoelectric coupler to generate a current pulser signal; the signal processing module is used for collecting the current pulse signal generated by the signal conversion module into the single-chip microcomputer to calculate a gamma value. A stable direct-current power source can be provided for the gamma probe, gamma pulse signals are collected while the gamma probe works normally, accumulation calculation of the gamma pulse signals is carried out, compared with a traditional gamma probe testing mode, the gamma value can be detected without a ground system, a directional probe and a PC end serving as necessary testing equipment, testing equipment is simplified, and the testing efficiency is improved. And the test operation process is simplified, and the test convenience is greatly improved.

The invention discloses a reverberation chamber calibration method and calibration system, and belongs to the technical field of automotive electronic EMC testing, and the method comprises the steps: obtaining normalized field intensity data through a probe method under the condition of no load of a reverberation chamber, and storing the normalized field intensity data for later use; s21 data are collected through a network division method and stored for standby application; under the reverberation chamber loading condition, S21 data are collected through a network division method; on the basis of the S21 data under the no-load condition and in combination with the S21 data under the loading condition, the reverberation chamber loading coefficient under each test frequency point is calculated; and calculating the input power of the reverberation chamber under the target field intensity under each test frequency point by combining the loading coefficient of the reverberation chamber based on the normalized field intensity data obtained by the probe method. According to the invention, the testing operation steps are simplified, and the testing time is greatly reduced, so that the working efficiency can be remarkably improved, and the quick calibration of the reverberation room site can be realized.

The present invention discloses a method and system for evaluating the performance of a lower limb power-assisted exoskeleton based on a continuous stair-climbing gait. The method includes performing a continuous stair-climbing test on a number of test subjects, and each test subject performs a continuous stair-climbing test with and without an exoskeleton, wherein the continuous stair-climbing test includes multiple complete stair-climbing gait cycles, wherein the stair-climbing gait cycle includes a first double-support period, a single-support period, a second double-support period, and a swing period; muscle activity data and metabolic cost data of the continuous stair-climbing test with and without an exoskeleton are collected; statistical data processing is performed on the collected muscle activity data and metabolic cost data; and the processed data is analyzed to draw conclusions. The power consumption reduction ratio and power-assisted efficiency of the power-assisted exoskeleton are calculated by analyzing the test subject's electromyographic signal, oxygen consumption, and carbon dioxide exhalation, and a comprehensive evaluation of the exoskeleton's performance is performed. The evaluation method is accurate, stable, simple, and easy to implement.

The invention discloses an impact corrosion and wear resistance testing device which comprises a box body, a rotary drum body, a first sleeve, a telescopic piece, a gear set and an impact assembly, a first lifting frame, a second lifting frame and a movable clamp table are mounted in the box body; one end of the rotary drum body is rotationally connected to the first lifting frame, a plurality of polishing balls are rotationally connected to the outer wall of the rotary drum body, and two impact windows arranged at intervals are formed in the outer wall of the rotary drum body; the eccentric driving assembly is mounted on the second lifting frame; the first sleeve is rotationally connected to the first eccentric wheel; the telescopic piece is mounted on the first eccentric wheel through a vertical plate; the gear set is rotationally connected to one end of the inner wall of the drum body; a positioning block is mounted on the gear set; the impact assembly comprises a positioning plate and two crank connecting rods. According to the invention, two abrasion mechanisms of impact and ball milling can be simultaneously simulated for the workpiece to be tested, the impact corrosion and abrasion resistance of the material can be comprehensively evaluated, and the testing efficiency and the testing accuracy are improved.

The present invention discloses a method, device, medium and product for multi-core chip verification. The method includes: designing a multi-core architecture for managing multi-core operation; based on the designed multi-core architecture, creating UART tasks, command processing tasks and queues, and designing a multi-core verification command menu based on a serial port; the UART task receives and parses the serial port command for multi-core verification, and sends the command to a designated core through a queue according to the parsing result; the designated core executes the command processing task and calls a test case. The present invention reduces the complexity and resource consumption in the verification process and improves the efficiency and flexibility of verification by designing a streamlined multi-core architecture and performing multi-core command selection based on a serial port.