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84results about How to "Real-time test" patented technology
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Coal seam outburst danger testing while drilling method and device
The invention provides a coal seam outburst danger testing while drilling method and device. The coal seam outburst danger testing while drilling method and device are applicable to outburst danger predication, methane gas extraction and exploitation effect evaluation and the like. By drilling a coal seam and testing methane gas parameters while drilling, lithology and coal seam information while drilling in real time, a test while drilling and grounding of the coal seam outburst danger is achieved. The device comprises a cabin body, a pressure sensor, a temperature sensor, a flow sensor, an electromagnetism sensor, an ultrasonic wave sensor, a wave velocity testing module, a monitoring control module, a power source module and a communication module and is installed between a drill and an inclinometer while drilling or a first drill rod. In the period when the coal seam is drilled or drilling is stopped for replacing the drill, the gas pressure, the temperature, the flow speed, the coal body wave velocity, the electromagnetic radiation and an ultrasonic wave signal on a testing point can be monitored and recorded in real time, and the methane gas pressure, the methane gas content, the initial desorbed methane gas content, the medium lithology, the wave speed, the coal body stress and the coal seam outburst danger on the testing point are analyzed and calculated. The coal seam outburst danger testing while drilling method and device have the advantages of being free of sampling tests and achieving testing while drilling and grounding, multi-parameter synchronous comprehensive evaluation and the like.
Owner:徐州中国矿业大学资产经营有限公司 +1
A lead-acid storage battery online monitoring, maintenance and early warning system and a performance evaluation method
PendingCN107656216AGuaranteed accuracyRealize integrated monitoringElectrical testingProgramme control in sequence/logic controllersArtificial neural networkEngineering
The invention provides a lead-acid storage battery online monitoring, maintenance and early warning system and a performance evaluation method. The system comprises an S7400CPU module, an ET200 distributed IO, a direct current voltage transmitter, a direct current current transmitter, a PT100 temperature sensor, an internal resistance testing switch, a series resistor, a battery charging switch and a battery charging system. The method analyzes the failure performance of a storage battery based on a control model method of an artificial neural network control and ECS expert self-learning control system. The system is free of a single-chip microprocessor control chip and employs the Siemens S7400PLC and the distributed IO mode thereof and the transmitter mode is employed to convert collected signals to standard signals for PLC input; a comprehensive test analysis model for storage battery performance evaluation is put forward; the analysis model integrates methods for testing the voltage, the dispersion of the voltage and the internal resistance of a storage battery to perform analysis and evaluation of current performance of a storage battery, so that accurate storage battery performance parameter values can be obtained.
Owner:ANSHAN POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER COMPANY +1
Machine learning-based tunnel rock quartz content test system and method
ActiveCN109612943AReduce workloadShorten the timePolarisation-affecting propertiesCharacter and pattern recognitionEnvironmental geologyQuartz
The invention provides a machine learning-based tunnel rock quartz content test system and method. The system comprises an information acquisition system and a learning system, wherein the informationacquisition system is borne on a mechanical arm, approaches to surrounding rocks along with the movement of the mechanical arm and is used for learning indoor rock sample images and rock sample images practically observed via well logging according to received acquired data, recognizing texture features of different rocks through a local binary pattern feature extraction algorithm so as to different differences of different rocks in the aspects of color, structure and construction, integrating feature amounts through a support vector machine algorithm, and establishing a response informationquartz content prediction model so as to calculate contents of quartz in front rocks in TBM tunneling projects.
Owner:SHANDONG UNIV
In-situ testing system for flight control system loading mechanism
ActiveCN103207064ARealize performance evaluationFully automatedMachine part testingAviationElectricity
The invention relates to an in-situ testing system for a flight control system loading mechanism. The system comprises a portable ruggedized computer and a testing device. The testing device comprises a control lever and a joystick clamp. A force sensor is connected between the control lever and the joystick clamp, an angle sensor is arranged on the joystick clamp, and the force sensor and the angle sensor are electrically connected with a programmable communication interface (PCI) data acquisition card inserted into the fuse ruggedized computer respectively. The in-situ testing system is simple in structure, small in size, convenient to operate and capable of achieving a real-time, fast, correct, reliable and safe test for joystick force and joystick displacement, can generate a joystick force-joystick displacement characteristic ccurve automatically through testing software and achieves performance judgment for the loading mechanism, and the problem that the loading mechanism cannot be detected in in-situ mode due to the fact that an aeronautical maintenance support department is short of detecting devices is solved.
Owner:QINGDAO CAMPUS AVIATION ENG COLLEGE OF THE PEOPLES LIBERATION ARMY NAVY
Device and method for testing concrete capillary water absorption under sustained load functions
InactiveCN105866007ASolve the problem of water supplyRealize the coupling effectPermeability/surface area analysisEngineeringTest fixture
The invention aims to solve the problem that an existing testing system is difficult to realize sustained load application on concrete and the coupling process of capillary water absorption and discloses a device and a method for testing the concrete surface capillary water absorption under sustained load functions. The test device comprises a water supply unit, a horizontal observation unit, a hollow test piece unit and a steel plate. The test method comprises the steps that the upper end and the lower end of the hollow test piece unit are sealed, and the hollow test piece unit is connected with a water pipe of the water supply unit and the observation unit and is sealed and fixed; after an observation pipe is adjusted to be level, sustained load is applied and water is injected; the initial value of the position of the water column in the pipe and the variation along the time are recorded and observed. The method is easy to operate, the device structure is ingenious, real-time and continuously accurate measurement of the concrete accumulated water absorption process under the sustained load functions is realized, the accumulated capillary water absorption curve is obtained by the measurement under set time and load functions, and the capillary water absorption test research of the concrete material under the sustained load functions and the durability estimation of a practical engineering structure can be carried out.
Owner:DALIAN UNIV OF TECH
Internet application testing method and device
The invention provides an Internet application testing method and device. The device comprises a TCP parsing module, a traffic forwarding module and a traffic mirroring module, wherein the TCP parsingmodule includes a service request acquisition sub-module, a forwarding sub-module and an interface exposure sub-module; the traffic mirroring module includes a copy sub-module and a test transmissionsub-module. The device provided by the embodiment of the invention can mirror and replicate a service request in a bypass mode, acquire a real-time traffic mirror in the case of little impact on theactual service operation and low occupancy of system resources and obtain an accurate and reliable test result.
Owner:TONGDUN HLDG CO LTD
Mobile terminal with body temperature measurement function and realizing method thereof
ActiveCN103442113AMeet the needs of real-time body temperature testingBody temperature in real timeDigital data processing detailsDiagnostic recording/measuringElectricityBody temperature measurement
The invention relates to the field of mobile terminals and discloses a mobile terminal with a body temperature measurement function and a realizing method thereof. The mobile terminal with the body temperature measurement function comprises a far infrared sensor which is arranged on the body of the mobile terminal and is used for measuring the temperature of an object and converting the measured temperature into a corresponding temperature electric signal, a processing controller which is connected with the far infrared sensor and is used for processing the temperature electric signal and converting the temperature electric signal into a corresponding temperature data code stream, and a power supply and interface unit which is connected with the processing controller and a main board, wherein the temperature data code stream which is processed by the processing controller is sent to the main board through the power supply and interface unit, processed by a baseband chip of the main board and then is stored and displayed. The mobile terminal with the body temperature measurement function and the realizing method thereof have the advantages that new functions are added to mobile terminals such as mobile phones, the body temperature measurement function is achieved, and requirements for real-time measurement of the body temperature of people are met.
Owner:泰安泰山科技有限公司
Device and corresponding method for measuring optical rotation of transparent film with periodic chiral structure
InactiveCN103604751ASimple measurement processAccurate measurementPolarisation-affecting propertiesPolarizerLight source
The invention discloses a device and corresponding method for measuring optical rotation of a transparent film with a periodic chiral structure. The device comprises a measurement light source, a polarizer, a diaphragm and a polarization analyzer, and an optical fiber spectrometer, wherein the polarizer, the diaphragm and the polarization analyzer are sequentially arranged on an optical propagation path of a light beam emitted by the measurement light source, wherein the polarization analyzer is connected with a step motor used for driving the polarization analyzer to rotate, a sample platform with an adjustable position is arranged between the diaphragm and the polarization analyzer, a probe of the optical fiber spectrometer detects light intensity of the light beam passing through the polarization analyzer, and a computer terminal used for displaying a spectrum chart is connected to the output end of the optical fiber spectrometer. The device has the advantages that the optical fiber spectrometer is capable of accurately and rapidly testing the light intensity in real time, the light intensity change caused by the rotation of the polarization analyzer driven by the step motor is accurately observed on the computer terminal, when the light intensity is minimum, the angle of the rotation of the polarization analyzer, driven by the step motor, is the optical rotation of the transparent film with the periodic chiral structure, the measurement process of the optical rotation is simple, and the measurement result is accurate.
Owner:NINGBO UNIV
Brinell hardness measuring system and method
InactiveCN107796718AAvoid taking multiple measurementsReal-time testInvestigating material hardnessImaging processingStandard line
The invention relates to a Brinell hardness measuring system and a Brinell hardness measuring method. The Brinell hardness measuring system comprises an optical scanning unit, an image processing unit, a data processing unit and a result display unit; the optical scanning unit comprises a light knife projection module, a microimaging module and an image collecting module; the light knife projection module generates a standard line light source; the microimaging module is used for collecting a light knife image signal in real time of a scanned indentation; the image collecting module is used for converting the image signal collected in real time to the digital image processed by the computer; the image processing unit is used for processing the indentation depth and diameter of the digitalimage data; the data processing unit is used for verifying the data of the indentation depth and diameter acquired by the image processing unit. The Brinell hardness measuring system and the method overcome the problems that the existing measurement method is easy to cause artificial bias and low in working efficiency; the Brinell hardness measurement is exact in result, simple in operation, highin working efficiency, small in artificial bias, and high in reliability.
Owner:郑显锋 +1
Avalanche photodiode excessive noise factor measuring system
InactiveCN103091568AHigh sensitivityMany test frequenciesNoise figure or signal-to-noise ratio measurementAudio power amplifierOptical coupling
The invention discloses an avalanche photodiode (APD) excessive noise factor measuring system, and relates to the test technical field of a semiconductor photoelectronic device. The APD excessive noise factor measuring system comprises a light source, an optical coupling assembly and a detection unit, wherein the detection unit comprises a chip test tool fixture, a polarization device, a number source list, an amplifier and a noise power test device. The light source is illuminated on a to-be-tested APD sample through the optical coupling assembly. The sample APD is connected with the polarization device through a test probe clamp. The number source list is connected with the direct current port of the polarization device. An interchange port of the polarization device is connected with an input end of the amplifier. The noise power test device is connected with an output end of the amplifier. According to the APD excessive noise factor measuring system, excessive noise factors of the APD are rapidly and accurately obtained in an in-time mode through simultaneous measurement of APD noise power and gain.
Owner:HUAZHONG UNIV OF SCI & TECH
Method, device and system for evaluating driving capability of self-driving vehicle
ActiveCN109849816AReal-time testQuick testResourcesElectric/fluid circuitSite modelProficiency testing
The invention relates to the technical field of testing of self-driving vehicles, and particularly discloses a method for evaluating the driving capability of a self-driving vehicle. The method comprises the steps: data are obtained; a testing site model, an evaluation area model, a traffic marking model and a self-driving vehicle body profile model are generated; whether the self-driving vehiclebody profile model enters a current evaluation area or not is judged; if yes, whether the self-driving vehicle body profile model presses a full line in the current evaluation area or not is judged; and if the self-driving vehicle body profile model passes driving capability tests in all the evaluation areas and does not press the full line in any evaluation area, it is determined that the drivingcapability of the self-driving vehicle is qualified. The invention further discloses a device and system for evaluating the driving capability of the self-driving vehicle. According to the method forevaluating the driving capability of the self-driving vehicle, the travelling capability of the self-driving vehicle can be tested real-timely, quickly and accurately.
Owner:TRAFFIC MANAGEMENT RES INST OF THE MIN OF PUBLIC SECURITY
Method and device for testing link performance
InactiveCN102726091AReal-time testLow costData switching networksWireless communicationTest fixtureDistribution networks
The present invention relates to a method and device for testing link performance. The method for testing link performance comprises: links to be tested are selected; links to be tested are connected in an order that forms a closed test link path; test packets are inserted into the closed test link path; the maximum speed that the closed test link path uses to transmit the test packets is the throughput of the links to be tested. The method and device for testing link performance presented in embodiments of the present invention utilize a test closed link path formed using a packet distribution network or using the links within the device itself, and obtains the performance of the links to be tested according to inserted test packets, thereby achieving low-cost, real-time link performance testing with no need to rely on other external devices.
Owner:HUAWEI TECH CO LTD
Automotive electric controlled automotive air conditioner system teaching experimental device
ActiveCN102074136AReal-time settingsReal-time clearCosmonautic condition simulationsEducational modelsStructure chartEngineering
The invention relates to an automotive electric controlled automatic air conditioner system teaching experimental device, which comprises a rack and a box body arranged on the rack. Air conditioner running equipment and a central relay box used for controlling the air conditioner running equipment are arranged on the rack. An automotive ignition switch, an air outlet, an electric control unit, a refrigeration pipeline high pressure gauge, a refrigeration pipeline low pressure gauge and the connecting circuit are arranged on a panel of the box body. A colored circuit structure chart is drawn on the panel of the box body, and testing terminals are embedded to the connecting circuit. A failure control box is arranged on a backboard of the box body. Failure setting buttons are arranged in the failure control box. Automotive remote communication and control units and data interfaces are also arranged on the box body. The remote communication and control units are connected with external remote control equipment by corresponding data interfaces. The testing experimental device adopts the open rack which makes a user easily know the structure, ensures comprehensive and typical failure setting, and particularly can realize network interconnection with training or testing devices of other sorts.
Owner:TIANJIN UNITE AUTOMOBILE ELECTRONICS CONTROL TECH SERVICE
Spectrum detection rod capable of continuously measuring
InactiveCN102901707AReal-time testImprove reliabilityColor/spectral properties measurementsContinuous measurementGlass vessel
The invention discloses a spectrum detection rod capable of continuously measuring, which comprises a tube body, a glassware pool, a measure light source and a MMS light inductor, the glassware pool has a first optical path channel capable of being passed by the measure spectrum and a second optical path channel capable of being passed by the reference spectrum, the glassware pool has a groove on the second optical path channel, the front part of the tube is a first seal chamber formed by a first rear cover and one end of the glassware pool, the rear part of the tube is a second seal chamber formed by a second rear cover and the other end of the glassware pool, the measure light source is positioned in a first seal chamber, a first convex lens is positioned between the measure light source and the glassware pool, the MMS light inductor is positioned in the second seal chamber, a second convex lens is positioned between the MMS light inductor and the glassware pool, a spectrum attenuator is positioned in the first seal chamber, and a light blocking sheet is positioned in the second seal chamber. The spectrum detection rod can be directly placed to a point to be measured of the environment to be measured, the real-time on-site environment is tested, and the measure precision can be enhanced due to added compensation effect of the spectrum attenuator.
Owner:TIANHE AUTOMATION TECH SUZHOU +1
Method of synchronous numerical control oil pumping according to stroke frequency for oil well testing and operation after filling of pump
Owner:DALIAN HONGQIAO TECH
Convenient gas detector
InactiveCN105092686ASimple structureReasonable structureMaterial analysis by electric/magnetic meansLiquid-crystal displayGas detector
The invention belongs to the field of gas detection and especially relates to a convenient gas detector. The convenient gas detector comprises a housing and an ionization chamber, an ultraviolet driver, a signal detection circuit, a single-chip microcomputer, a liquid crystal display module, a USB interface communication module and an audible and visual alarm which are arranged inside the housing. The ionization chamber is positioned at the lower part of the housing. The ultraviolet driver is disposed on the ionization chamber. The signal detection circuit is mounted near the ultraviolet driver. A micro-pump driving module is arranged at the right side of the signal detection circuit. A DC high-voltage module is arranged at the right side of the micro-pump driving module. The single-chip microcomputer is disposed above the ultraviolet driver. The liquid crystal display module is mounted near the single-chip microcomputer. The USB interface communication module is arranged near the liquid crystal display module. The audible and visual alarm is disposed near the USB interface communication module. The convenient gas detector provided by the invention has a simple and reasonable structure, is small in volume, is convenient to carry, meets real-time and continuous detection requirements of working sites and has a wide application range.
Owner:TIANJIN NAZHENG TECH
Temperature measuring intelligent wristband
InactiveCN106108868ARealize monitoringAchieve interactionSensorsTelemetric patient monitoringActigraphyHeartbeat detection
The invention discloses a temperature measuring intelligent wristband comprising sensors, a MCU module, a battery, a flash memory chip, a Bluetooth communication module, a vibration motor, a GPS module, an indication lamp or a display screen, and an actigraphy respectively connected with a processor; the sensors comprise a motion sensor and a heartbeat detection sensor, thus monitoring chronic diseases (snoring, blood pressure, blood sugar), and early examination and later report can be finished at home; the data can be sent to a doctor, thus realizing doctor-patient interaction; the temperature measuring intelligent wristband can record everyday exercise amount, and can automatically send alarms for helps if heart beats are not normal, thus reducing life danger; the temperature measuring intelligent wristband can measure personal body temperature in real time, suitable for elder people, personal images can be obtained in real time, and stored in a cloud system.
Owner:LIUZHOU YIWANG SCI & TECH
Charger mainboard test equipment for simulating Qi standard wireless charging by using real coil
PendingCN110837040AMeet voltage output requirementsGuarantee authenticityElectronic circuit testingFunctional testingReceiver coil
The invention provides charger mainboard test equipment for simulating Qi standard wireless charging by using a real coil, and the equipment is low in cost, high in integration level, complete in function and is suitable for a product manufacturing whole-process test. The equipment comprises a power supply module (1), a transmitting and receiving coil (2), an electronic simulation load (3), an FPGA (4), a plurality of function test modules, a high-speed ADC acquisition module (5) and a peripheral upper computer (6). The power supply module powers up the whole test equipment and a charger mainboard (7) to be tested. One side of the transmitting and receiving coil is connected with the charger mainboard to be tested, the other side is connected with the electronic simulation load, the high-speed ADC acquisition module acquires various signals of the charger mainboard to be tested and uploads the signals to the FPGA, and the function test modules perform function test on the simulated output process of the charger mainboard to be tested, output a test result to the FPGA for analysis, and upload the test result to the upper computer for background processing and storage. The equipmentis applied to the field of wireless charger testing.
Owner:珠海市运泰利自动化设备有限公司
A direct current transmission control protection platform model creation and test verification system and method
PendingCN112949018AReal-time testImprove development efficiencyDesign optimisation/simulationProgram loading/initiatingFile deviceOutput device
The invention relates to the field of direct current transmission control protection, in particular to a direct current transmission control protection platform model creation and test verification system and method. Internal data needing to be communicated are imported into the program data mapping function block in a visual mode, and variable information based on an XML file is output; the DC power transmission control protection data model creation module imports the configured variable information, and creates a DC power transmission control protection system data model file Device.ICD file through configuration and editing configuration; management configuration is performed on model data of the ICD file and a ViGET internal variable through a configuration module, and thus generating an equipment mapping configuration file Device.CFG required by device operation; the integrated test and maintenance tool can complete test and verification work with a target system in the tool, any modification of an application program is synchronized with an output Device.ICD file and Device.CFG of the tool, and synchronous updating of a design source and output is achieved.
Owner:XJ ELECTRIC +1
Automotive electric controlled antilock brake system (ABS) training equipment
InactiveCN102074138AReal-time testPurpose of real-time teaching experimentCosmonautic condition simulationsEducational modelsElectric controlTest fixture
The invention relates to an automotive electric controlled antilock brake system (ABS) training equipment, which comprises a movable equipment bracket, a circuit box body and an automotive electric controlled ABS arranged on the equipment bracket. An automotive electric control unit (ECU) and a failure setting switching module are arranged on the circuit box body, and are electrically connected with each other. A Communication interface and a data interface are formed on the box body, the communication interface is connected with control terminals by communication cables, and the data interface is connected with test terminals. The control terminal is a computer pre-embedded with control software, diagnosis software or multimedia animation teaching software, and the computer can be operated to perform remote control and failure diagnosis on the automotive electric controlled ABS. The training equipment adopts an open rack which makes a user easily know the structure, ensures comprehensive and typical failure setting, and particularly can realize network interconnection with training or testing devices of other sorts.
Owner:TIANJIN UNITE AUTOMOBILE ELECTRONICS CONTROL TECH SERVICE
Test device of non-conducting plating coating shell and test system of test device
InactiveCN102374998AIncrease production capacityImprove reliabilityCurrent/voltage measurementElectrical measurement instrument detailsTest fixtureBiomedical engineering
The invention relates to a test device of a non-conducting plating coating shell and a test system utilizing the test device. The test device comprises a supporting base and a main body part, the supporting base comprises an RF coupler loading a shell forming the non-conducting plating coating and used in a carrying terminal. The main body part carries out RF signal input on the RF coupler and analyzes the outputted induction RF signal, thereby testing the RF characteristic of the non-conducting plating coating to judge the stand or fall of the shell. In particular, the main body part comprises an RF source generating part, an induction RF detecting part, a control part and a displaying part. The RF source generating part generates an RF signal and inputs to the RF coupler, the induction RF detecting part detects the induction RF signal obtained by the inputted RF signal in the RF coupler, the control part generates a measurement value corresponding to the detected induction RF signal, and compares the generated measurement value with a preset marginal value to thereby judge the stand or fall of the shell, and the displaying par receives and outputs the stand or fall result of the shell come from the control part and the generated measurement value.
Owner:WOOJEON & HANDAN CO LTD
Portable material surface air permeability automatic tester and testing method
ActiveCN112525794APenetration stabilityEasy to operatePermeability/surface area analysisControl cellEngineering
The invention provides a portable material surface air permeability automatic tester which comprises an air transmission unit, a control unit, a calculation unit and a contact, and is characterized inthat the air transmission unit is used for transmitting air outside the tester to the contact through an air inlet motor, and then the air penetrates into the surface of a tested material; the control unit is used for controlling the rotating speed of the air inlet motor, so that air stably penetrates into the surface of the measured material under preset pressure; the calculation unit is used for calculating the air permeability of the measured material according to parameters such as the flow rate of gas penetrating into the surface of the measured material and air viscosity. The tester canbe used for conveniently, quickly and accurately measuring the air permeability of the surface of the material.
Owner:TSINGHUA UNIV
Testing device for while-drilling acoustic logging instrument
ActiveCN107676081ALow costReal-time testBorehole/well accessoriesWater resource assessmentWell drillingAcoustic wave
A testing device for a while-drilling acoustic logging instrument comprises a wellbore, a flange plate, a plug, a water inlet pipe, a water outlet pipe, an inner pulley bracket and a wellbore bracket.The wellbore is made of materials with different sound velocities, and the part between a transmitting probe and a receiving probe of the while-drilling acoustic logging instrument can be placed in the wellbore; and the wellbore is horizontally supported on the wellbore bracket; and the while-drilling acoustic logging instrument can go in and out of the wellbore through the inner pulley bracket,and the interior of the wellbore can be filled with water in an airtight mode. The testing device for the while-drilling acoustic logging instrument is suitable for ground calibration and performancetesting of the while-drilling acoustic logging instrument in the petroleum drilling industry.
Owner:中石化石油工程技术服务有限公司 +3
Turbo-charged valve controller
PendingCN107023702ANo wearImprove corrosion resistanceOperating means/releasing devices for valvesControl engineeringActive cell
The invention provides a turbo-charged valve controller. The turbo-charged valve controller comprises an executing component, a driving component, a transmission component, a position detecting component, a control module and a casing component, wherein the executing component is in transmission connection with a turbo-charged valve; the transmission component comprises a power input part and a power output part; the power input part is in transmission connection with the driving component; the power output part is in transmission connection with the executing component; the position detecting component comprises a non-contact magnet type position sensor; and an active cell of the non-contact magnet type position sensor is fixed on the power output part or the executing component. The turbo-charged valve controller provided by the invention can detect the position of the power output part or the executing part in a non-contact manner, does not have abrasion, is good in corrosion resistance, is influenced by the environment extremely lowly, and can perform detection in real time and generate linear execution and detection feedback.
Owner:SHENZHEN ECMOVO POWER TECH CO LTD
Testing method for cement concrete double-layered road surface bonding coefficient
InactiveCN103439249AReduce the difficulty of experimentsQuick testUsing mechanical meansMaterial analysisRoad surfaceMaterials science
The invention discloses a testing method for a cement concrete double-layered road surface bonding coefficient. The method comprises the following steps: prefabricating an upper beam 1 and an underbeam 2 of a cement concrete test piece with the size of 105*150*450 mm, and invertedly buckling the two together; putting a sandwich material 3 between the two; applying a 3.5 t force on the upper beam 1; testing the strain condition of the upper beam 1 and the underbeam 2; calculating out the bonding coefficient value according to a calculation formula of the coefficient K. According to the method, the small test piece with the size of 105*150*450 mm is adopted to simulate the double-layered road surface for bonding coefficient testing, the problem that a sufficient road surface is required for the testing in a current method is solved, the testing difficulty is reduced, and the purpose of quick, real-time and high-efficiency testing for the double-layered road surface bonding coefficient is realized, and therefore the method has a wide popularization significance.
Owner:中国人民解放军72719部队
Coal-rock mass ground stress continuous testing device and method thereof
ActiveCN101514926BGood active couplingContinuous testingHydraulic/pneumatic force measurementModem deviceData acquisition
Owner:CHINA UNIV OF MINING & TECH +1
Light power communication fireproof cable and preparation method thereof
PendingCN109979667AFlame retardantFire-resistantPower cables including communication wiresCommunication cablesCarbon fibersElectric cables
The invention discloses a light power communication fireproof cable and a preparation method thereof. The light power communication fireproof cable comprises a carbon fiber / glass fiber optical fiber composite core rod (7), a special-shaped conductor (9) wrapped on the periphery of the carbon fiber / glass fiber optical fiber composite core rod (7), an insulating tape (10) wrapped on the outer layerof the special-shaped conductor (9), a wrapping tape (11) wrapped on the outer layer of the insulating tape (10) in a winding manner, and a seamless embossing tube (12) wrapped on the outer layer of the wrapping tape (11), wherein the carbon fiber / glass fiber optical fiber composite core rod (7) has a single-core rod structure or a multi-core rod structure. The light power communication fireproofcable of the invention has the functions of fireproof power transmission, fireproof optical path communication, line temperature sensing and the like. In addition, the light power communication fireproof cable also has the characteristics of flame retardance, fire resistance, low smoke, no halogen, light weight, aging resistance, excellent mechanical property and the like. The preparation method of the light power communication fireproof cable adopts the combination of a pultrusion process, a cabling process, an armoring process, an extrusion molding process and the like, thus reasonable process design is achieved, and the preparation method can be used for industrial production.
Owner:ZHONGFU CARBON FIBER CORE CABLE TECH
Cell mechanical property tester based on STM32
PendingCN107907588ATimely processingStrong targetingAnalysing fluids using sonic/ultrasonic/infrasonic wavesEngineeringMechanical property
The invention discloses a cell mechanical property tester based on STM32. The cell mechanical property tester based on STM32 comprises a quartz crystal receiving device, a frequency generation part, afrequency collecting part and a microcomputer processing part, wherein the quartz crystal receiving device comprises a quartz crystal and a film electrode; the frequency generation part consists of an oscillation circuit, a filtering circuit and an AGC (automatic gain control) circuit which are sequentially connected; the quartz crystal receiving device is connected with the oscillation circuit through an electric conducting wire; the frequency collecting part comprises a frequency / voltage conversion circuit; the microcomputer processing part comprises an STM32 chip and an external interfacethereof; the frequency / voltage conversion circuit is connected with the STM32 chip through an electric conducting wire. The cell mechanical property tester based on STM32 has the advantages that by adopting the non-invasion and non-marking testing type, the real-time, continuous and long-time testing is realized; the cell mechanical property tester is suitable for the cell mass, and the study andquantitative testing on the cell function can be performed.
Owner:HUNAN AGRICULTURAL UNIV
Device for testing wind-solar complementary power generation system
InactiveCN103955204ASimple control strategyImprove safety and reliabilityElectric testing/monitoringFrequency changerDisplay device
The invention relates to a device for testing a wind-solar complementary power generation system, and belongs to the technical field of wind-solar complementary power generation. The device comprises a control cabinet, a storage battery pack, a solar cell panel, a direct current load streetlamp, a double-MCU wind-solar complementary controller, a three-phase alternating current electromotor, a three-phase alternator and a rack platform. A displayer and an alternating current-direct current-alternating current frequency converter are arranged on the control cabinet, two MCUs respectively and cooperatively work in the double-MCU wind-solar complementary controller to conduct electric energy input and processing control and electric energy output control, and manufacturing cost of a product is greatly reduced. According to the device for testing the wind-solar complementary power generation system, full-coverage tests and real-time data acquisition and processing of the wind-solar complementary power generation system under various environmental conditions can be provided. Through a test method, operating parameters of the double-MCU wind-solar complementary controller and operating parameters of the power generation system can be tested and counted.
Owner:KUNMING UNIV OF SCI & TECH
Testing system for controller of electric vehicle
PendingCN110147088AReal-time testReal-time information interactionProgramme controlElectric testing/monitoringTest efficiencyTarget–action
The invention discloses a testing system for the controller of an electric vehicle and belongs to the technical field of vehicles. The testing system for the controller of the electric vehicle comprises an operation end, a monitoring end and a to-be-tested controller; the operation end is in communication connection with the to-be-tested controller and is used for sending a test instruction to theto-be-tested controller in response to a user instruction; the to-be-tested controller is used for receiving the test instruction and triggering a test action according to the test instruction; the monitoring end is used for detecting the test action and comparing the test action with a target action, generating matching signals when the test action is matched with the target action, and generating mismatching signals when the test action is not matched with the target action; the monitoring end is in communication connection with the operation end; and the operating end is used for correspondingly displaying a test result according to the matching signals or the mismatching signals. With testing system for the controller of the electric vehicle of the invention adopted, wired connectionoperation can be replaced, frequent manual operation can be also replaced, and testing efficiency is improved.
Owner:ZHUHAI GUANGTONG AUTOMOBILE +1
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