Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

1875results about How to "Implement test" patented technology

Rock sample detection and data acquisition system and method and application thereof

InactiveCN102053253ATo overcome the insufficiency of the experiment of the physical parameters of coal and rock after the adsorption of gas is difficultImplement testMaterial strength using tensile/compressive forcesSeismic signal receiversUltrasonic sensorData acquisition
The invention relates to a rock sample detection and data acquisition system. The system can realize elastic parameter test of a rock sample in the state of gas adsorption; in the system, a three-shaft pressure cabin is connected with a gas supply and metering control device for absorbing samples in the cabin and accurately metering absorption quantity, moreover, an ultrasonic transducer is installed on a cap of the (high) pressure cabin and integrated with an ultrasonic wave transmitting/receiving device so that the test of elastic parameters of methane absorption on coal can be realized truly. The system can automatically and continuously test in the processes of gas absorption and gas enrichment, thereby ensuring a consistent test environment, acquiring an absorption quantity and elastic parameter relation curve, improving test accuracy and efficiency and saving test time and cost. The rock sample detection and data acquisition system integrates methane enrichment mechanism simulation and rock physical property test, can be applied to seismic prospecting method research on coalbed methane and shale gas, mine advanced detection, coal mine safety research and the like.
Owner:CHINA PETROLEUM & CHEM CORP +1

Multifunctional simulation system for automatic driving

The invention provides a multifunctional simulation system for automatic driving. The multifunctional simulation system comprises a virtual vehicle module, a virtual chassis control module, a virtualroad module, a virtual traffic module, a time control unit module and a visualized interactive interface module, the virtual road module provides cartographic information for an automatic driving algorithm and the virtual traffic module, the virtual traffic module provides road conditions including vehicles, pedestrian, traffic lights and the like for the automatic driving algorithm, the automaticdriving algorithm communicates with the virtual vehicle module through a virtual chassis so as to obtain vehicle information and send vehicle control instructions, a visualized interactive interfacesends human-computer interaction information to the simulation system and displays system information in a visualized three-dimensional effect, and finally, the time control unit module controls intervals of simulation time of the simulation system comprising the automatic driving algorithm. Data interfaces of the virtual modules are kept consistent with those of a real system, so that multifunctional modes, including hardware-in-loop simulation, of the simulation system can be realized.
Owner:北京领骏科技有限公司

Real stress corrosion testing machine for tubes

The invention discloses a real stress corrosion testing machine for tubes. The real stress corrosion testing machine comprises a main unit frame, a first stretching seat, a gas and liquid filling system, a stress loading component and a stress transmitting component; the main unit frame comprises two parallel side plates; the first stretching seat, the stress loading component and the stress transmitting component are respectively connected with the two side plates of the main unit frame via supporting rolling shafts, and the two side plates simultaneously support the supporting rolling shafts; the first stretching seat and the gas and liquid filling system are simultaneously connected with one end of a tube to be tested, and the stress transmitting component is connected with the other end of the tube to be tested; and the stress loading component is connected with the stress transmitting component via a force transducer, and the other end of the stress loading component is connected with the frame. The real stress corrosion testing machine for tubes can simulate high-temperature and high-pressure corrosion and stress environments of underground oil casings of oilfields, and tests the oil casings and oil tube joints under underground complex work conditions and in axial tensile stress states.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Time-domain ground-air electromagnetic detection system and calibration method

The invention relates to a time-domain ground-air electromagnetic detection system and a calibration method, in particular to a system consisting of an induction signal recording device connected with a ground recording device global position system (GPS) synchronization unit, a closed abnormal ring and a data quality evaluation system, and a calibration method for the time-domain ground-air electromagnetic detection system. The closed abnormal ring and the induction signal recording device are adopted, the induction current and induction voltage are simultaneously recorded, and the 24-bit 200Hz sampling rate, a bandwidth of 0-13KHz and a dynamic range of an amplifier of 160dB are achieved. Moreover, the system is synchronous with a ground transmitter and an air receiver GPS, and during measurement, by removing earth background field data, a pure closed abnormal ring electromagnetic signal containing a geometric error is extracted, is input into the data quality evaluation system, andis compared and fitted with the computed closed abnormal ring theoretical value, the system error, the geometric parameter error and the detection resolution of the time-domain ground-air electromagnetic detection system are determined, and the performance of the electromagnetic detection system is tested and calibrated.
Owner:JILIN UNIV

Automatic testing device and method universally used for multiple bus processor modules

The invention discloses an automatic testing device and method universally used for multiple bus processor modules. The automatic testing device comprises a power supply unit, wherein the power supply unit is connected with an industrial personal computer, a programmable oscilloscope, a programmable power supply and a signal acquisition subdevice; the industrial personal computer is connected with an equipment access box, an equipment adapter box is respectively connected with a multimeter and a digital I / O (Input / Output) control panel, the power supply input end of the equipment adapter box is connected with the power supply output end of the programmable power supply; the industrial personal computer is connected with the programmable oscilloscope, the programmable power supply and a communication board; and the programmable oscilloscope and the programmable power supply are connected with the equipment adapter box. The invention mainly realizes portable mechanical loading of different types of different bus processor modules, automatic loading of closed test programs, automatic testing of performances and breakage and short circuit property tests of all pins of the module. By using test hardware of the automatic testing device and matching developed test software, automatic recognition of the processor modules, automatic loading of the closed test programs, real-time display of performance test results, report output and other functions can be realized.
Owner:XI'AN PETROLEUM UNIVERSITY

Multifunctional gas sensor testing system

The invention discloses a multifunctional gas sensor testing system. The multifunctional gas sensor testing system comprises a gas distribution mechanism and a gas distribution chamber, a testing chamber, a control system, a testing mechanism and a vacuum pump, wherein the gas distribution mechanism is used for preparing standard-concentration gas and background gas for the gas distribution chamber; prepared standard-concentration testing gas is stored in the testing chamber and the testing chamber is used for testing a sensor sensitive property under standard concentration of gas to be tested; and the control system is used for controlling gas preparation in the gas distribution chamber and the testing chamber, and comprises temperature and humidity control, gas pressure or vacuum degree control, gas mass and flow control, on-off control of each gas-path solenoid valve, starting/stopping control of the vacuum pump, starting/stopping control of a stirring fan, and testing process control of a detected sensor. According to the multifunctional gas sensor testing system disclosed by the invention, rapid contact of the sensor and standard gas is realized by automatically preparing the standard-concentration gas, and the temperature and humidity of a sensor testing environment also can be controlled; and synchronous testing of electric gas responding of the plurality of sensors and optical gas responding of the single sensor also can be realized.
Owner:HUBEI UNIV

Tool used for testing function and performance of touch control equipment

ActiveCN103954860ADynamically adjustable spacingImprove basic test actionsElectrical testingTest efficiencySimulation
The invention provides a tool used for testing the function and performance of touch control equipment. The tool has the characteristic that multiple fingers simulate a human hand and move in a combined mode. The tool structurally comprises a plurality of finger modules, movement relations are transmitted through a connection rod telescopic mechanism among the finger modules, the aim of dynamically controlling the distances between the fingers during a touch test can be achieved, and the test function of a traditional touch screen test instrument is perfected. Moreover, on the basis that the tool has the characteristic that the multiple fingers can flexibly move, the tool is installed on a movement platform to carry out test movements, test difficulties of multi-shape touch screen devices are eliminated, various single-item touch screen tests can be completed in an integrated mode so that test efficiency can be improved, meanwhile, real touch operations, such as touch force changes and finger moving track deviation, of the hand of a person can be simulated by means of the device, user experience of the touch control equipment can be accessed when touch operations are carried out by the hand of the person, and accordingly product design can be improved, and the tool can assist in development of multi-finger application programs.
Owner:SHANGHAI UNIV

Method and device for testing dynamic stiffness of vibration isolator

InactiveCN103808499ASolve clumsySolve the test costMachine part testingVibration testingDynamic stiffnessHigh rate
The invention discloses a method and a device for testing dynamic stiffness of a vibration isolator. The method comprises the steps of establishing an equivalent test model of a single-degree-of-freedom vibration system in a vibration isolation direction by using a static loading device, a combined vibration mass block and an elastic simply supported beam, measuring a frequency response function of the equivalent test model by an exciting method, and then indirectly obtaining the dynamic stiffness of the vibration isolator by virtue of a vibration equation, the similarity of the vibration system and the characteristics of the single-degree-of-freedom system. The method avoids the problem that the existing methods all need to simulate a rated load or a working load with an equivalent mass block in an ingenious way, and solves the problem that the test system is clumsy, high in test cost and test difficulty and even unachievable if the mass block is used for simulating high rated load or working load; the testing device is light and simple in structure, convenient to operate, and economical and practical; the method and the device are applicable to the dynamic stiffness tests of all single-axis vibration isolators, high in applicability, and especially capable of realizing testing of the dynamic stiffness of a large-rated load vibration isolator and ensuring high precision.
Owner:JIANGSU UNIV OF SCI & TECH

Testing device of electric power steering system

The invention discloses a testing device of an electric power steering system, in order to overcome the problems of low control accuracy of a resistance device, complicated drive system, simple vehicle model, and oil leakage of a hydraulic system. The testing device of the electric power steering system comprises a T-shaped groove platform, two linear motor assembly mechanisms, two steering gear stationary fixture assemblies, a steering pipe column stationary fixture assembly, a steering wheel simulation driving mechanism and a driving simulator assembly; a voltage stabilizing power supply, a power supply cabinet and a measurement and control cabinet are fixed on the foundation around the T-shaped groove platform; the steering gear stationary fixture assemblies are fixed on the left side of the T-shaped groove platform; linear motors are installed on the T-shaped groove platform at the outer side of the stationary steering gear stationary fixture assemblies; output ends of the linear motors are connected with two ends of steering gears fixed on the steering gear stationary fixture assemblies; the driving simulator assembly is fixed on the right side of the T-shaped groove platform; the steering pipe column stationary fixture assembly is fixed on the T-shaped groove platform between the steering gears and the driving simulator assembly; the steering wheel simulation driving mechanism is inserted on a steering pipe column.
Owner:JILIN UNIV

Method for comprehensively estimating insulation state of sulfur hexafluoride electrical equipment

The invention relates to a method for comprehensively estimating the insulation state of sulfur hexafluoride electrical equipment and belongs to the technical field of monitoring and estimation on the insulation state of the sulfur hexafluoride electrical equipment. In the method, a computer and a comprehensively estimating device of the sulfur hexafluoride electrical equipment with the application number of 201020240900.0 are utilized, a fuzzy theory and a neural network method are applied by utilizing a program, and then the method carries out comprehensive estimation to the insulation state of the SF6 electrical equipment by adopting the working mode of an Windows interface. The method can be used for carrying out monitoring, intelligent analysis and comprehensive estimation to the running indexes comprising brackish water, mainly discharged decomposition products (HF, CO, SO2 and H2S) and the concentrations thereof and the like in SF6 gas of the SF6 electrical equipment, and has the characteristics of simple operation, high efficiency, flexible and convenient use, convenient on-site rapid diction and estimation and the like. The method can be widely applied to rapidly detecting and estimating the insulation state of the SF6 electrical equipment in power stations and transformer substations.
Owner:CHONGQING UNIV

Test device capable of simulating plugging of high temperature and high pressure dropping strata

ActiveCN102518432ATest realization of blocking effectImplement testSealing/packingMagnetic tension forceWater source
The invention relates to a test device capable of simulating plugging of high temperature and high pressure dropping strata, which is mainly composed of a gas source, an oil tank, an upper kettle body, a lower kettle body, a water source, a magnetic force driver, a central processing system and a liquid collecting tank. The upper kettle body is connected with the oil tank and the gas source, the lower kettle body is connected with the water source, the upper kettle body and the lower kettle body are not only respectively connected with a pressure pump and a pressure-release pump, but also respectively connected with a pressure sensor and a thermalcouple, and the pressure sensor and the thermalcouple are connected with the central processing system. A blade is arranged in the upper kettle body, a blade rotary shaft is driven by a frequency converting motor to rotate through the magnetic force driver, and a simulation rock core is arranged in the lower kettle body and connected with theliquid collecting tank. The test device capable of simulating plugging of high temperature and high pressure dropping strata can simulate complex working conditions of drilling working liquid under stratum conditions with different well depth, temperature, pressure and dropping types, slurry body flow states, differential pressure under high temperature and high pressure between a shaft and the stratum and the like, can test relevant parameters of plugging to determine dropping plugging effects so as to preferably select a drilling working liquid system.
Owner:SOUTHWEST PETROLEUM UNIV

Hardware-in-the-loop test system for whole vehicle controller for electric vehicle and test method

The invention discloses a hardware-in-the-loop test system for a whole vehicle controller for an electric vehicle and a test method. The hardware-in-the-loop test system comprises a whole electric vehicle controller, a fault injection hardware unit, an SCALEXIO, and a vehicle simulating module, a vehicle driving animation simulating module and a vehicle state operating and monitoring module in a computer. Connection and communication among the SCALEXIO, the fault injection hardware unit and the whole electric vehicle controller is achieved through a wire harness, and connection and communication between the SCALEXIO and the computer is achieved through a network line; through the corresponding SCALEXIO software in the computer, SCALEXIO channel selection is achieved, and communications of a vehicle simulating model, vehicle driving animation and vehicle state operation and monitoring interact in the computer. The hardware-in-the-loop test system can effectively save the development time and reduce the development cost of the whole vehicle controller, can achieve performance testing on the whole vehicle controller under the limit driving condition of the vehicle, can achieve systematic, integrated and automatic testing on the whole vehicle controller and generate a test report, effectively reduces the testing cost and improves the testing efficiency.
Owner:NANJING YUEBOO POWER SYST CO LTD

Test device and test method for building structural adhesive bonding tensile stress relaxation

ActiveCN104237012AGood or bad anti-agingThe performance of resistance to stress relaxation is good or badMaterial strength using tensile/compressive forcesDynamometerEngineering
The invention provides a test device and a test method for testing building structural adhesive bonding tensile stress relaxation. The test device comprises a fixed support, a tensioning device, a test piece, a fixture and a digital dynamometer, wherein the test piece is detachably mounted on the fixture and receives the tensile force from tensioning device through the fixture. The test method comprises the steps as follows: the cured test piece is assembled on the test device; a turnbuckle of the tensioning device is rotated to adjust the force applied to the test piece; the test device is entirely placed on an outdoor natural exposure field or selectively placed in a manual ageing chamber, so that the tensile stress under the corresponding ageing condition can be measured; the tensile stress after ageing is compared with the tensile stress before ageing, so that the tensile stress relaxation coefficient can be obtained. By the aid of the test device and the test method, building structural adhesive bonding tensile stress relaxation after various ageing tests can be tested, changes of the tensile stress can be monitored in real time, and a means is provided for evaluation of the bonding ageing durability and prediction of the service life of a building structural adhesive.
Owner:CHINA TEST & CERTIFICATION INT GRP CO LTD

Comprehensive test platform for dynamic performance of hydraulic cylinder of engineering machine

The invention discloses a comprehensive test platform for the dynamic performance of a hydraulic cylinder of an engineering machine. The comprehensive test platform for the dynamic performance of the hydraulic cylinder of the engineering machine comprises a test platform body, a hydraulic system and an electrical test control system. The hydraulic system comprises a drive system unit and a loading system unit. The drive system unit comprises a first hydraulic pump, a first filter and three liquid inlet valve banks. Oil outlets of the three liquid inlet valve banks are connected with an oil inlet of the tested hydraulic cylinder. The loading system unit supplies oil to a loading hydraulic cylinder. The electrical test control system controls all the valve banks of the hydraulic system according to feedback signals. According to the comprehensive test platform for the dynamic performance of the hydraulic cylinder of the engineering machine, a drive system, a loading system and a gas-liquid supercharging system which are independently arranged are used for meeting test and control needs under different loads and different working conditions; and the comprehensive test platform also utilizes the feedback signals to control the test process, when the oil pressure, the flow, the filter precision, the system temperature and other indexes are not at the normal level, the system gives out an alarm to remind people and stops, and therefore system operation reliability is guaranteed.
Owner:CENT SOUTH UNIV

Full-automatic inspection production line for circular parts

The invention belongs to detection equipment and particularly relates to a full-automatic inspection production line for circular parts. The full-automatic inspection production line is characterized in that the full-automatic inspection production line comprises a machine tool body, a disk type electromagnetic oscillation feeding device, a feeding conveyor belt device, a workpiece moving mechanism, and an external diameter detection mechanism, an internal diameter detection mechanism, a thickness detection mechanism, a weight detection mechanism and a screening mechanism which are sequentially arranged as well as a touch display screen which is fixedly connected with the machine tool body. The full-automatic inspection production line has the benefits of realization of automatic moving and arrangement as well as gradual-item detection of external diameter, internal diameter, thickness and weight. Core parts of the detection mechanism comprise an inlet high-precision contact type sensor, a linear potentiometer, a high-precision electronic scale and the like; automatic moving and inspection are realized by using a pneumatic element for driving, and thus high automatic degree and high detection precision are realized; and automatic screening and arranging can be realized and automatic control is realized by being matched with a proximity sensor.
Owner:天津市中马骏腾精密机械制造有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products