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84 results about "Combined test" patented technology

A testing fixture for automobile wheel hubs

This utility model discloses an automotive wheel hub testing fixture, including a fixed platform with an outer frame fixedly connected to it. A detection mechanism and a fixture connection mechanism are arranged on the fixed platform, with the detection mechanism located at the side of the fixture connection mechanism. This automotive wheel hub testing fixture, through a heating mechanism in a fourth chamber and a cooling mechanism in a third chamber, combined with unidirectional ventilation holes in the second and third partitions, can simulate extreme temperature environments. Real-time monitoring and feedback are achieved using temperature sensors, adapting to performance testing of wheel hubs under different climatic conditions such as high-temperature exposure and low-temperature freezing. Simultaneously, the rubber friction stripes on the outer side of the wheel simulate road surface friction, and a pressure sensor monitors the contact pressure in real time, reproducing the wheel hub's stress state under different driving loads. This enables comprehensive testing of both temperature and load variables, covering complex scenarios in actual use, thereby detecting the quality of the wheel hub.
Owner:SHANDONG KANGRUN MASCH MFG CO LTD

A combined shear-resistivity testing device and method for soil-rock mixed fill material

This invention discloses a combined shear-resistivity testing device and method for soil-rock mixed fillers, belonging to the field of geotechnical engineering testing technology. It addresses the shortcomings of existing combined testing methods, such as unstable contact resistance, fluctuating electrical signals, and asynchronous data. The device includes a direct shear test, resistivity test, and data acquisition and control system. The shear test chamber has a multi-layered composite structure integrated electrode embedded in its inner wall, coupled with an array of spring needles, and features a stress-driven electrical connection and hardware synchronous triggering structure. The method completes the test through steps including sample preparation, system initialization, stress-driven electrical connection establishment, and synchronous triggering of the combined test. This invention achieves synchronous and accurate acquisition of shear mechanics and resistivity data, enabling real-time non-destructive characterization of the internal structural damage evolution of the sample, significantly improving testing accuracy and stability, and providing reliable technical support for the mechanical research and engineering applications of soil-rock mixed fillers.
Owner:THE SECOND ENG COMPANY OF CCCC FOURTH HARBOR ENG +1

Graphical user interface for a radio integrated tester for testing communication devices

1. The name of the design product: the graphical user interface of a radio integrated tester for testing communication equipment. 2. The use of the design product: display the graphical user interface. 3. The design points of the design product: the graphical user interface content in the screen. 4. The picture or photo that best shows the design points: the front view. 5. No design points, omit the rear view; no design points, omit the left view; no design points, omit the right view; no design points, omit the top view; no design points, omit the bottom view. 6. The use of the graphical user interface: the operation of the radio integrated tester for testing communication equipment and the display of real-time data information. 7. The human-computer interaction mode of the graphical user interface: the front view is the interface under the "receive mode" icon; click the "transmit mode" icon in the upper right corner of the front view to enter the interface of state diagram 1.
Owner:CHNEGDU CHIFFO ELECTRONICS INSTR

A comprehensive testing device for relay fuse of instrument control system of nuclear power plant

ActiveCN117347844BTest performanceTest set
A kind of comprehensive testing device for nuclear power plant control system relay fuse, it is characterized in that: including tester native, special-shaped heat pipe heat dissipation shielding module, magnetic interface conversion module, measured relay / fuse, external computer, external power supply;External power supply, measured relay / fuse, external computer are connected with tester native through shielding layer panel;External power supply powers tester native, external computer issues instruction to control tester native;Magnetic interface conversion module is connected with tester native, shielding layer panel.Connecting with tester native, shielding layer panel through magnetic interface conversion module, the stable and reliable work of relay fuse testing device in strong ionization environment is guaranteed;At the same time, through a series of design, it is guaranteed that the heat dissipation performance and electrical performance of relay fuse testing device are not influenced by shielding measure, the test function and test performance of relay fuse testing device are effectively guaranteed without discount.
Owner:CNNC FUJIAN FUQING NUCLEAR POWER

Multifunctional waterproof structure water vapor permeability comprehensive testing device

The application provides a multifunctional waterproof structure water vapor permeability comprehensive test device. It belongs to the technical field of building material water vapor permeability testing. The non-uniform water pressure simulation and application system can truly simulate the triangularly distributed hydrostatic pressure borne by the wall in underground engineering through the cooperative design of the tiltable rigid support frame and the pressurized liquid. The test piece installation and inclination adjustment system can simulate the underground continuous wall or the slope retaining wall with different inclinations by adjusting the inclination of the rigid support frame. The non-uniform water pressure simulation and application system can simulate various groundwater conditions from low water level to high water level by adjusting the set value of the fluid pressure system. It can cover various liquid water permeation scenarios, has wide test range and strong applicability. The environment simulation and moisture permeability test system can realize the integrated test and flexible switching of the liquid water barrier and the gaseous water migration performance, complete the test of the two modes on the same test piece in turn, has strong data comparability and high test efficiency.
Owner:TIANJIN CHENGJIAN UNIV

A comprehensive tester for electric inspection

This utility model discloses a comprehensive electrical testing instrument, including a clamp meter body. The clamp meter body includes a grip area and a testing area, with the wire to be tested located between the testing areas. A protective mechanism is installed in the testing area, including a dust cover. A first fixing rod is installed at one end of the dust cover, and a first dust-removing cotton is installed on the outside of the first fixing rod. A detachable component for replacing the first dust-removing cotton is installed on the first fixing rod. The detachable component includes a second fixing rod for installing the first dust-removing cotton, and the second fixing rod is installed on the first fixing rod. Compared with the prior art, this comprehensive electrical testing instrument can remove impurities and dust from the contact point between the clamp meter and the wire to be tested, thus avoiding poor contact between the clamp meter and the wire and affecting measurement accuracy to a certain extent. It can also reduce wear on the clamp meter and extend its service life.
Owner:ZHONGKE YUNHAI (JIANGSU) TECHNOLOGY CO LTD

Combined test sieve

The utility model discloses a combined type test sieve which comprises a material receiving groove, an annular supporting seat is fixedly connected to the interior of the material receiving groove, a fixing plate is rotationally connected to the annular supporting seat, positioning rods are fixedly connected to the two ends of the top of the fixing plate, and a sieving assembly is fixedly connected to the positioning rods. The screening device has the advantages that the five fixing frames can be connected in an overlapped mode, every two adjacent fixing frames are connected in an embedded mode through the corresponding locking rod and the corresponding second lifting lug, and on the contrary, by pressing a clamping button on the corresponding locking rod, the screening effect is greatly improved, and the screening efficiency is improved. And the locking rods can be separated from the second lifting lugs, so that the five fixing frames can be combined and disassembled conveniently, the structure is reasonable, combination and disassembly are convenient, and maintenance is convenient.
Owner:欧陆分析测试技术服务(广州)有限公司

A multi-sensor data integrated testing system and method for motorized spindle

The application provides a multi-sensor data motorized spindle comprehensive test system and method, and belongs to the technical field of equipment detection, and comprises a multi-sensor acquisition module, an upper computer data processing module, a driving control module and the like, wherein the multi-sensor acquisition module is used for acquiring real-time data and uploading the real-time data to the upper computer data processing module; the upper computer data processing module is used for constructing a motorized spindle global temperature field to obtain a theoretical thermal elongation, analyzing a vibration frequency spectrum and identifying an inherent frequency, comparing and analyzing an actual thermal elongation with the theoretical thermal elongation, analyzing a coupling influence relationship of a pre-tightening force, a rotating speed and a temperature, and generating a test result according to analysis results; and the driving control module is used for generating a dynamic working condition optimization adjustment instruction based on the test result generated by the upper computer data processing module, responding and adjusting a working condition in real time according to the instruction, continuously collecting working condition data after optimization, and forming a closed-loop test. The application can not only accurately simulate dynamic changes of the pre-tightening force under actual working conditions, but also dynamically adjust a test working condition based on real-time analysis results.
Owner:TAIAN HAINA AXIS RES TECH CO LTD +1

Laser equipment optical axis consistency and beam divergence angle combined test system and test method

The present application relates to the field of laser equipment performance test, especially to a kind of laser equipment optical axis consistency and beam divergence angle combined test system and test method, test system includes off-axis parabolic reflector, photoelectric detector is arranged in its focal plane, movable target source is arranged in front of photoelectric detector, illumination device and data processor. By movable target source, different observation channel of laser equipment is provided with aiming target, and the shadow image and laser spot image of target source are collected in succession using the same photoelectric detector. Data processor calculates the deviation between different observation axes according to the shadow image, or the deviation between observation axis and laser beam optical axis;According to the laser spot image, the beam divergence angle and the optical axis stability are calculated. The present application integrates multiple test functions in the same optical path and hardware platform, realizes the efficient, compact combined test of optical axis consistency, beam divergence angle and other key indicators, significantly improves the test efficiency and saves space.
Owner:CHINESE PEOPLES LIBERATION ARMY UNIT 32201

Lower extremity intelligent prosthesis comprehensive test method and system

PendingCN122282360ACombined testSimulation
This invention provides a comprehensive testing method and system for lower limb intelligent prostheses. The method includes: selecting at least two test items from a test set and testing the prosthesis under test simultaneously or sequentially. The test items in the test set include: fatigue testing, bionic testing, and intelligent adaptability testing. The fatigue testing includes: acquiring structural continuity data of the prosthesis under test during the application of cyclic loads, and obtaining fatigue test results based on the number of cycles and the structural continuity data. The bionic testing includes: acquiring gait variables of the prosthesis under test in a "flat ground straight walking mode," and obtaining bionic test results based on the gait variables. The intelligent adaptability testing includes: acquiring the gait variables of the prosthesis under test before and after changes in a "turning or non-flat ground walking mode," and obtaining intelligent adaptability results of the prosthesis based on the gait variables before and after changes. The comprehensive test result is determined based on all the results.
Owner:NAT REHABILITATION ASSISTIVE DEVICES RES CENT

Surgical robot pose performance testing system, method, apparatus, medium, and product

Embodiments of the present application disclose a surgical robot pose performance test system, method, device, medium and product, wherein the system comprises a joint controller, a pose generator, an optical measuring instrument, a dynamic tracking instrument and a general test tool; the test system is connected with a target test surgical robot system through the general test tool, the joint controller is used to drive the pose generator to control the master operating hand in the target test surgical robot system to perform test motion according to a specified pose performance test item; the optical measuring instrument and the dynamic tracking instrument are used to collect motion data of the master operating hand and the slave operating hand in the test motion process; and the joint controller is further used to acquire the motion data and analyze the test result of the pose performance test item according to the motion data. The embodiments of the present application can provide a comprehensive test platform capable of performing multiple tests, so as to test the surgical robot according to the test standard.
Owner:HARBIN SIZHERUI INTELLIGENT MEDICAL EQUIP CO LTD

A comprehensive testing device and testing method for a motorcycle carburetor

PendingCN122329563ACombined testTest efficiency
This patent application belongs to the technical field of testing equipment, specifically relating to a comprehensive testing device for motorcycle carburetors. It includes a chain conveyor belt with multiple testing mechanisms spaced apart on it. Each testing mechanism includes a rotating support and an elastic clamping part fixed to adjacent chain plates. The front end of the chain conveyor belt is a loading station, and the end is a unloading station. The angle change during chain conveying causes a change in the distance between adjacent rotating supports and elastic clamping parts, thus clamping and unloading the carburetor. The front side of the rack is the first testing station, and the middle of the rack is the second testing station. The patent also relates to a comprehensive testing method for motorcycle carburetors, which can automatically clamp, flip, and unload, and can perform multiple tests simultaneously, improving testing efficiency.
Owner:CHONGQING KAMA ELECTROMECHANICAL

A voice security test method and device for smart home based on voiceprint anti-counterfeiting

PendingCN122455011AAttackHome based
The application discloses a kind of intelligent home voice security test method and device based on voiceprint anti-counterfeiting, it is related to intelligent home security test technical field.The core of the device includes main control module, attack simulation module and response acquisition module.Attack simulation module generates multi-dimensional voice deception attack sample including replay, synthesis, conversion and countermeasure sample.Main control module is built-in dynamic countermeasure reinforcement learning algorithm, and dynamically generates digital domain control instruction and physical domain control instruction according to the response state of the device to be measured, wherein the physical domain control instruction directly drives the stepper motor of physical replay sub-module to carry out angle rotation, realizes the deep binding of algorithm strategy and physical hardware action.Response acquisition module comprehensively captures the state feedback of the device to be measured by multi-modal perception means.The device can further include environment simulation module and evaluation and output module to construct physical test space with specific acoustic characteristics and output quantitative evaluation report.The application first proposes a comprehensive test device combining software and hardware from the perspective of active attack test, which can comprehensively and automatically evaluate the voiceprint anti-counterfeiting performance of intelligent home voice control system and Internet of Things devices.
Owner:ZHEJIANG SHENLING TECHNOLOGY CO LTD

A high-precision comprehensive tester for transformer

ActiveCN224341617UElectrical testingMeasurement instrument brakingCombined testTransformer
This utility model relates to the field of testing instrument technology and discloses a high-precision comprehensive transformer testing instrument, including a detector. Multiple fixed seats are fixedly connected to the outer wall of the detector. A damper is fixedly connected to one side of each fixed seat. A spring is fitted onto the outer wall of the damper. One end of the damper is fixedly connected to a fixed seat. Three connecting blocks are fixedly connected to the outer wall of the fixed seat. Rotating rods are rotatably connected to the inner walls of each of the three connecting blocks. One end of each rotating rod is hinged to a rotating rod. A connecting plate is fixedly connected to one side of the fixed seat. A protective shell is fixedly connected to the outer wall of the connecting plate. In this utility model, when the equipment is subjected to an external impact, the impact force is transmitted through the protective shell to the internally connected connecting plate, and then to the fixed seat. The damper and spring absorb the impact force.
Owner:YUNNAN THERMAL POWER CONSTR CORP

Sample transport device and sample testing system

This utility model relates to the field of sample transfer technology, providing a sample transfer device and a sample testing system. The sample transfer device includes: a mounting plate; a turntable assembly rotatably mounted on the mounting plate; multiple first hoppers evenly distributed along the circumference of the turntable assembly; a track mounted on the mounting plate and corresponding to the turntable assembly; and a connecting component, one side of which is connected to the first hopper, and the other side of which is slidably connected to the track, ensuring that the first hoppers always remain open upwards during the rotation of the turntable assembly. The sample testing system includes: a comprehensive testing platform, which is connected to the mounting plate. The turntable assembly of this utility model can accommodate multiple first hoppers, improving sample transfer efficiency. The track on the mounting plate, through the cooperation of the connecting component and the track, ensures that the openings of the first hoppers always face upwards during the rotation of the turntable assembly, preventing samples from falling and improving space utilization and flexibility.
Owner:BEIJING OMERICA TECH

Universal excitation and control system for aircraft multi-subsystem integrated test

The application belongs to the technical field of aircraft testing, and provides a general excitation and measurement and control system for comprehensive testing of multiple subsystems of an aircraft, which comprises obtaining state data of each subsystem before testing, and generating a state sorting sequence of the subsystems; an excitation action optimization model is constructed according to Pearson correlation coefficients of excitation actions and states of the subsystems and testing consumption time length, and an optimal excitation action is selected for a current to-be-tested subsystem; meanwhile, an influence curve is established based on historical excitation amplitudes and state response data, and a testing risk score is generated; then, an optimization model is established with action amplitude as an independent variable and the risk score as a dependent variable, and an optimal action amplitude is solved; and the optimal excitation action and amplitude are tested for each subsystem in turn according to the sorting sequence; the application can dynamically integrate real-time state data of multiple subsystems of the aircraft, optimize selection of the excitation action and setting of the action amplitude, thereby improving testing efficiency, safety and reliability, and reducing testing risk and cost.
Owner:XIAN RUITIAN AVIATION TECH CO LTD

Solid rocket engine shell inner pressure and axial pressure combined test system

ActiveCN120685438BCombined testAxial pressure
The application discloses a solid rocket engine shell inner pressure and axial pressure combined test device, and relates to the technical field of solid rocket engine shell detection. The application discloses a solid rocket engine shell inner pressure and axial pressure combined test device, and relates to the technical field of solid rocket engine shell detection. The application discloses a solid rocket engine shell inner pressure and axial pressure combined test device, and relates to the technical field of solid rocket engine shell detection. The application discloses a solid rocket engine shell inner pressure and axial pressure combined test device, and relates to the technical field of solid rocket engine shell detection. The application discloses a solid rocket engine shell inner pressure and axial pressure combined test device, and relates to the technical field of solid rocket engine shell detection. The application discloses a solid rocket engine shell inner pressure and axial pressure combined test device, and relates to the technical field of solid rocket engine shell detection. The application discloses a solid rocket engine shell inner pressure and axial pressure combined test device, and relates to the technical field of solid rocket engine shell detection. The application discloses a solid rocket engine shell inner pressure and axial pressure combined test device, and relates to the technical field of solid rocket engine shell detection. The application discloses a solid rocket engine shell inner pressure and axial pressure combined test device, and relates to the technological field of solid rocket engine shell detection. The application discloses a solid rocket engine shell inner pressure
Owner:HEFEI UNIV OF TECH

An automatic testing, screening and tray placing integrated device

ActiveCN224332825USortingVisual testTransformer
The utility model belongs to transformer production test equipment technical field discloses a kind of automatic testing, screening and tray integration equipment, including case, workstation, material taking mechanism, pressure resistance test mechanism, transfer storage jig, interlayer test mechanism, comprehensive test mechanism, visual test mechanism, defective product collection mechanism, tray mechanism and PLC controller.Material taking mechanism is used to transfer transformer material to test mechanism;Each test mechanism carries out different project test to transformer material;Transfer storage jig is used to temporarily store the material that passes test;Defective product collection mechanism is used to collect the material that fails test;Tray mechanism is used to arrange tray to the material that passes test;PLC controller is used to control the collaborative work of each mechanism.The utility model realizes the full automation operation of transformer test procedure, reduces manual intervention, improves test accuracy and work efficiency, reduces defective rate simultaneously, guarantees the consistency and reliability of product quality.
Owner:超仁自动化科技(东莞)有限公司

A method for testing a multi-mode master-slave control system and a laser device

PendingCN122239671AElectric testing/monitoringSystem level testingTarget text
This application discloses a testing method and laser equipment for a multi-mode master-slave control system, relating to the field of laser testing technology. It obtains structured text representing a hierarchical testing system, including a first text representing board-level characteristic testing rules and a second text representing system-level functional testing rules. Based on the first and second texts, board-level characteristic tests and system-level functional tests are performed on the master control board, slave control board, and beam combiner board, respectively, yielding board-level test results and system-level test results. Based on the board-level and system-level test results, a target text representing a comprehensive test report is generated. This achieves comprehensive testing and verification of the hardware foundation and system functional coordination of each board in the multi-mode master-slave control system, accurately identifying hardware defects and potential collaborative problems on each board. It provides a standardized solution to ensure the overall quality and reliability of the multi-mode master-slave control system, significantly improving the testing efficiency and reliability of the multi-mode master-slave control system.
Owner:WUHAN RAYCUS FIBER LASER TECHNOLOGY CO LTD

Handheld intelligent comprehensive tester for substation secondary circuit detection

The application discloses a handheld intelligent comprehensive tester for detecting a substation secondary circuit, which comprises a handheld shell, a display screen, a test connecting line, a wiring terminal area and an intelligent comprehensive test circuit. The display screen is arranged above the handheld shell. The wiring terminal area is arranged on the handheld shell and below the display screen. The test connecting line is used for connecting the substation secondary circuit to be detected and the handheld intelligent comprehensive tester. The intelligent comprehensive test circuit is arranged in the handheld shell and connected with the display screen and the wiring terminal area. The comprehensive tester integrates the core test functions of the substation secondary circuit into the intelligent comprehensive test circuit, realizes the rapid detection of the parameters of the substation secondary circuit by cooperating with the selection of the wiring terminal area, solves the pain points of the dispersion and complexity of the traditional test methods, improves the accuracy and safety of the test of the substation secondary circuit, reduces the operation and maintenance cost and guarantees the stable operation of the power system.
Owner:STATE GRID SHANDONG ELECTRIC POWER CO MENGYIN COUNTY POWER SUPPLY CO

Relay comprehensive test platform for train control on-board equipment of motor train unit

ActiveCN224471805UMachineTest platform
The utility model relates to a EMU train control vehicle -mounted equipment relay comprehensive test board, including test board ontology, be equipped with man -machine interaction all -in -one, contact resistance meter, voltage test meter, state indicating lamp, measured relay group, hygrodeik, measured 200C group case and program -controlled power on the test board ontology, still be equipped with switching power supply on the test board ontology, still be equipped with 200C group case switching combination, relay group switching combination, 200C group case test control panel and relay group test control panel in the test board ontology. The utility model can be without opening 200C group case, through to group case logic analysis, detects specific parameter, avoids the unnecessary damage to the equipment, simulates the state when the equipment normal use, detects the state of relay when normal work, reduces the workload after detection of installation, realizes the comprehensive automation test of relay performance, improves test efficiency and accuracy.
Owner:HENAN XINGYUAN INFORMATION TECH CO LTD

Sensorimotor metacognition test method and platform

The application discloses a sensorimotor meta-cognition test method and platform, the method comprises the following steps: for the movement trajectory judgment task, the target ball and the collision ball in the test box move to each other at the same movement speed and the symmetrical angle, until the collision occurs; when the target ball and the collision ball are about to collide, the movement trajectory of the target ball and the collision ball is shielded; two test positions for the final possible stagnation of the target ball are displayed on the edge of the test box; the test position confirmed by the subject in the movement trajectory judgment task is received, and the confidence score of the subject for the test position based on the 7-point Likert scale is submitted; based on the respective confirmed test positions of the subject in multiple different movement trajectory judgment tasks, and the confidence score of the test position, the comprehensive test score of the sensorimotor meta-cognition of the subject is obtained. In the form of the movement trajectory judgment task, the sensorimotor meta-cognition is evaluated, and the accuracy and reliability are improved.
Owner:SCI RES TRAINING CENT FOR CHINESE ASTRONAUTS +1

A virtual-real combined test data analysis method based on a two-dimensional model

The application provides a kind of real and virtual combination test data analysis method based on two-dimensional model, comprising the following steps: S1 design test and plan test content, make two-dimensional model of test piece, determine sensor measuring point position;S2 obtain the original virtual measuring point simulation data of test piece, carry out structured storage;S3 specify complete data transmission protocol, establish the connection of real test data to two-dimensional model transmission data;S4 through data transmission protocol, start test, carry out real-time data transmission;S5 according to test real-time data set, real-time processing simulation data;S6 test piece standard virtual measuring point simulation data and test real-time data carry out real-time difference calculation, visual display curve.Real-time display of key data and position information of two-dimensional test, real-time display and comparison of simulation data and real test data are completed, the intuitiveness and comprehensiveness of test display are improved, the high cost and long time investment required for building complete three-dimensional model test are avoided, and the test efficiency is significantly improved.
Owner:BEIJING INST OF STRUCTURE & ENVIRONMENT ENG

A vehicle-mounted rainfall sensor anti-laser radar interference test system and test method

PendingCN122307791AData acquisitionLidar
This invention discloses a comprehensive testing system and method for resisting lidar interference in vehicle-mounted rain sensors, relating to the field of automotive sensor testing technology. The system includes a control system, an electromagnetic compatibility anechoic chamber, a vehicle body glass angle simulation device, a wiper loading mechanism, a rain simulation system, a lidar interference simulation device, a multi-degree-of-freedom vibration table, an ambient light simulation device, a temperature and humidity control device, and a multi-channel data acquisition system. This invention can simultaneously replicate complex environments such as vehicle installation posture, wiper operation, continuous adjustable rainfall, multi-source lidar interference, road vibration, and light, temperature, and humidity within a highly shielded anechoic chamber. It completes dry-state benchmark, single / dual interference source dynamic and static, rain coupling, vibration coupling, and multi-factor orthogonal combination tests. Through high-precision synchronous acquisition and data processing, it generates calibration maps and outputs interference thresholds, safety boundaries, and environmental compensation parameters, achieving a comprehensive, accurate, and automated evaluation of the lidar interference resistance performance of rain sensors. This solves the problems of traditional tests being unable to reproduce complex vehicle operating conditions and lacking sufficient quantitative assessment.
Owner:CHERY AUTOMOBILE CO LTD

A two-stage multi-physics coupled fingertip seal dynamic performance comprehensive testing platform

This invention discloses a dual-stage multi-physics field coupled fingertip seal dynamic performance comprehensive testing platform, relating to the field of sealing performance testing technology. It includes a testing component and a driving component. The testing component includes a sealing chamber, a fingertip test piece, and a magnetic field component. The driving component includes a driving component, a transmission component, and a sealing test rotor. The sealing test rotor is connected to the fingertip test piece. The sealing chamber has an air inlet and an air outlet. Detection components are respectively installed inside the air inlet and outlet. By integrating two symmetrically arranged electromagnetic coils, it achieves, for the first time, a simulation of the composite working condition of the magnetic field, flow field, and temperature field, providing a key experimental method for revealing the influence mechanism of the magnetic field on the characteristics of the sealing medium and the contact interface. It can simultaneously conduct comparative experiments on two fingertip test pieces with different structures or materials, and two sets of fingertip test pieces with the same structure or material, by controlling variables. Furthermore, by changing the sealing test rotor, it can quickly adapt to different models of fingertip test pieces.
Owner:KUNMING UNIV OF SCI & TECH

A multilayer board and an LCP antenna

The utility model discloses an embodiment provides a kind of multilayer board and LCP antenna.The multilayer board includes: at least two different substrates, each substrate is provided with layer deviation test point at preset position;At least two different substrates are formed into multilayer board after being superimposed and compression processing, the layer deviation test point of each substrate is contacted mutually to form combined test point at this time;When the actual resistance value of combined test point is not greater than preset resistance threshold value, the interlayer alignment deviation between at least two different substrates is qualified state;When the interlayer alignment deviation between at least two different substrates is qualified state, electronic component can be attached on multilayer board.The interlayer alignment deviation of the present multilayer board is detected before attaching electronic component, so that defective product is stuck on the multilayer board without attaching electronic component, only when the interlayer alignment deviation of the present multilayer board is qualified state, electronic component can be installed on the present multilayer board, thereby reducing the scrap cost of the present multilayer board.
Owner:SUNWAY COMM JIANGSU CO LTD

A comprehensive testing and evaluating method for environmental protection performance of green drilling fluid

The present application relates to the technical field of drilling fluid detection, in particular to a green drilling fluid environmental protection performance comprehensive test evaluation method, comprising: configuring a standardized environment simulation reactor, injecting a green drilling fluid sample to be tested and a simulated environment medium containing fresh water sediments, salt water sediments and land soil, separating the whole system liquid-solid mixture after leaching reaction under constant temperature and frequency conditions to obtain filtrate and solid residue. The filtrate is subjected to full component spectrum scanning, compared with a standard spectrum library to identify target pollutants and preliminary concentration interval; the residue is subjected to thermal analysis and gas phase capture, data is imported into a pollutant migration and transformation prediction model, combined with medium physicochemical parameters to calculate solid phase adsorption retention and long-term release potential, and the solid phase occurrence state of pollutants is evaluated. The method can adapt to multi-element environment simulation, completely detect liquid-solid two-phase pollutants, accurately identify pollutants and quantify solid phase occurrence characteristics, and realize comprehensive evaluation of drilling fluid environmental protection performance.
Owner:THE THIRD GEOLOGICAL BRIGADE OF JIANGSU PROVINCIAL BUREAU OF GEOLOGY & MINERAL RESOURCES