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Testing device of variable valve system and testing method thereof
InactiveCN104198192AGuarantee working reliabilityCalibration and optimization of structural parameter valuesInternal-combustion engine testingSolenoid valveEngineering
The invention relates to a testing device of a variable valve system and a testing method thereof. The testing device is characterized in that a valve mechanism driving system is arranged on a platform. A motor is connected with an oil pump, an inlet of the oil pump is connected with a sump, and an outlet of the oil pump is connected with an overflow valve, an energy accumulator and an oil inlet pipe of a solenoid valve in sequence. An overflow port of the overflow valve is communicated with the sump. A first outlet of the solenoid valve is communicated with a hydraulic piston cylinder arranged in a variable valve lifting mechanism, and a second outlet of the solenoid valve is communicated with the sump. The testing device can not only research the law of the impact of key structural parameters of the variable valve system on valve timing but also calibrate and optimize all structural parameters and perform cold running-in tests on key parts so as to ensure work reliability of the parts and provide a convenient and reliable testing platform for the variable valve system.
Owner:成都科林沃德动力科技有限公司
Testing device of machine tool guide rail protective cover
InactiveCN102818696AControl motion stateSports state is accurateMachine part testingFixed frameEngineering
Owner:NINGXIA KOCEL GRP CO LTD +1
Nucleotide sequence, method and kit for detecting human influenza A virus
InactiveCN101921870ASave operating timeReduce financial burdenMicrobiological testing/measurementMicroorganism based processesFluorescenceHuman Influenza A Virus
The invention relates to a nucleotide sequence, a method and a kit for detecting human influenza A virus, which can detect human influenza A virus, influenza A(H1) virus and novel influenza A H1N1 virus by genotyping. A primer and a probe comprise any one of the nucleotide sequences as shown in the figures from SEQ ID NO:1 to SEQ ID NO:12. The invention can respectively detect the human influenza A virus, the influenza A(H1) virus and the novel influenza A H1N1 virus in the same fluorescence PCR reaction system, adopts interior labels to carry out quality control on the nucleic acid extraction and PCR reaction processes, eliminates false negative generation, enables the whole experimental detection process to be accurate and reliable, improves the early-stage relevance ratio, reduces the operating time of medical personnel, lowers the cost and lightens economical burden for patients.
Owner:CHINESE NAT HUMAN GENOME CENT AT SHANGHAI +2
Duoplasmatron-ion-source discharge power supply
PendingCN107579662AExperiment efficientExperimental reliableDc-dc conversionElectric variable regulationTransformerDuoplasmatron
Owner:JILIN UNIV
Testing device of large-span machine tool guide rail protective cover
InactiveCN103471867AControl motion stateUnique structureStructural/machines measurementElectric machineReciprocating motion
The invention relates to a testing device of a machine tool guide rail, in particular to the testing device of a large-span machine tool guide rail protective cover. The testing device of the large-span machine tool guide rail protective cover is characterized in that an under carriage is included, a servo motor which is controlled through a controller is fixed in one side of the under carriage, a synchronous belt and a driving platform which move in the length direction of the under carriage are sequentially matched to be arranged on the servo motor, and guide rails which are matched with the testing protective cover to make reciprocating motion are fixed on the two sides in the width direction of the under carriage. The testing device of the large-span machine tool guide rail protective cover is unique in structure, short in testing period, reliable in testing and long in service life.
Owner:KOCEL GROUP +1
Industry-university-research combined scene type remote experiment teaching device and design method
InactiveCN111932970AExtended presentationImprove understandingCosmonautic condition simulationsSimulatorsMathematical modelHuman–computer interaction
The invention discloses an industry-university-research combined scene type remote experiment teaching device and a design method, and belongs to the field of scene type remote experiments. The builtexperiment environment includes a mathematical model of an experiment object, a three-dimensional scene, a simulator, a production data synchronizer and the like. The method comprises establishing anexperiment server, connecting links required by the experiment system through information data intercommunication, then, through a data interface of an experiment server, fusing the experiment systeminto a cloud server cluster, then connecting the experiment system to different user side platforms through the cloud server cluster, by a user, operating on a user side interface, and transmitting anoperation instruction to the remote experiment device through a network, so that the purpose of remotely controlling the experiment system is achieved. According to the invention, medium and large-scale equipment, scenes and experiment projects with high risk required in the traditional experiment are combined into the network remote experiment, so that an operator can carry out remote experimentoperation through the user side platform. The presentation form of a traditional experiment system can be expanded.
Owner:WUHAN UNIV
Multi-function instrument used for microbe acid and gas producing experiment and sulfur-containing amino acid detection experiment
ActiveCN106520539AWill not cause infectionEasy to useBioreactor/fermenter combinationsBiological substance pretreatmentsGas collecting tubeFilter paper
The invention relates to the field of microbe experimental facilities, and in particular discloses a multi-function instrument used for the microbe acid and gas producing experiment and the sulfur-containing amino acid detection experiment. The multi-function instrument comprises a constant temperature incubator, a fermentation test tube, an acid and gas producing experiment indicating device and a sulfur-containing amino acid detection device, wherein the acid and gas producing experiment indicating device comprises a liquid storage chamber and a seal end cover, the middle part of the seal end cover sinks, the sinking part is in sealed connection with a gas collecting tube, a water injecting hole and an air hole are formed in the seal end cover, and a puncture device and a seal rubber sleeve are in sealed connection to the bottom of the liquid storage chamber; the sulfur-containing amino acid detection device comprises a detection chamber, a rubber plug is plugged to the lower opening of the detection chamber, a puncture device is inserted into the rubber plug, and a rubber seal sleeve is arranged at the lower end of the detection chamber; a filter paper strip coiled to form the barrel shape is plugged in the detection chamber. The multi-function instrument has the advantages that the size is small, the taking for use is convenient, the operation is simple, the efficiency is high, the space is saved, the experiment is simple and rapid, the result is reliable, and multiple purposes are realized.
Owner:HEZE UNIV
Intelligent mercurial thermometer
ActiveCN103542950AHigh precisionAccurate readingThermometers using material expansion/contactionCapillary TubingElectrical connection
The invention relates to an intelligent mercurial thermometer which comprises a long-strip-shaped mercurial thermometer body. A capillary tube extending in the longitudinal direction is arranged in the mercurial thermometer body and is communicated with a glass bulb which is located at the lower end of the mercurial thermometer body and used for containing mercury. A first wire extending in the longitudinal direction of the mercurial thermometer body is arranged in the mercurial thermometer body. The lower end of the first wire extends into the inner wall of the glass bulb and makes contact with the mercury contained in the glass bulb. The inner wall of capillary tube is provided with a second wire extending in the longitudinal direction of the capillary tube. The lower end of the second wire makes contact with the mercury, and the second wire is exposed on the inner wall of the capillary tube. The upper end of the first wire and the upper end of the second wire extend out of the mercurial thermometer body. The extended end of the first wire is electrically connected with one output end of a DC power supply. The extended end of the second wire is electrically connected with the other output end of the DC power supply through a current information processor. The intelligent mercurial thermometer can be used for visually and accurately displaying the real-time temperature in a digital mode, is high in efficiency and accuracy, and avoids personal errors.
Owner:CHONGQING MATERIALS RES INST
Six-direction loading rotary experiment table for testing foot type robot
InactiveCN110000811ASimplify the experimental processConform to constraintsManipulatorEngineeringRoad surface
The invention discloses a six-direction loading rotary experiment table for testing a foot type robot. The six-direction loading rotary experiment table comprises a longitudinal support, a rotary cantilever mechanism, a road surface base, a force sensing ring, a transverse column supporting mechanism and an STEWART platform. The rotary cantilever mechanism can perform rotary motion around the longitudinal support, the transverse column supporting mechanism is fixedly connected to the rotary cantilever mechanism and plays a supporting role in the rotary cantilever mechanism, the transverse column supporting mechanism is adjusted to adapt to foot type robots with different specifications, the STEWART platform is fixedly connected to the tail end of the rotary cantilever mechanism, required road conditions are arranged on the road surface base, and the foot type robot to be tested is installed on the STEWART platform. By the adoption of the ring structure, the movement distance is infinite, the leg and foot fatigue characteristics of the foot type robot are tested, and the experimental process and equipment of the leg and foot fatigue characteristics can be greatly simplified.
Owner:HARBIN INST OF TECH
Smart mercury thermometer capable of real-time monitoring
ActiveCN103557952BImprove efficiencyHigh precisionThermometers using material expansion/contactionEngineeringInformation processor
Owner:CHONGQING MATERIALS RES INST
High-voltage motor insulation detection method and device
PendingCN111239562ASo as not to damageExperimental reliableDielectric property measurementsTesting dielectric strengthElectric machineDielectric loss
The invention relates to the technical field of travel survey, in particular to a high-voltage motor insulation detection method and device. The method comprises the following steps: a first experiment for detecting the surface conductivity fouling of the high-voltage motor coil; and / or a second experiment for detecting the aging degree and dielectric loss of the insulating layer of the high-voltage motor coil; and / or a third experiment for detecting the partial discharge amount in the insulating layer of the high-voltage motor coil. All data are collected within the rated voltage range of thehigh-voltage motor, and the experiment is reliable and stable; no harm is caused to client equipment; the operation is convenient and easy; and the experiment time is short, and the whole experimentprocess is within one hour.
Owner:桑原电机(大连)有限公司
Device and method for efficiently screening microcrystalline glass microcrystallization scheme
InactiveCN112919791AImprove screening efficiencyGuaranteed accuracyEconomic benefitsThermocouple device
The invention discloses a device and a method for efficiently screening a microcrystalline glass microcrystallization scheme. The device comprises a gradient temperature furnace, a thermocouple is arranged on the gradient temperature furnace, the thermocouple extends into an inner cavity of the gradient temperature furnace from the outer wall of the gradient temperature furnace, a D-shaped pipe is arranged in the inner cavity of the gradient temperature furnace, a gradient temperature plate is placed on the D-shaped pipe, a plurality of grooves which are arranged in parallel are formed in the mounting surface of the gradient temperature plate, the grooves are used for inserting microcrystalline glass, and the distances between every two adjacent grooves are the same. A large number of microcrystallization schemes can be experimented by one experiment of the gradient temperature furnace, so that the screening efficiency of the microcrystallization schemes of the microcrystalline glass is greatly improved, the cost is reduced, and the economic benefit is higher.
Owner:CAIHONG GRP SHAOYANG SPECIAL GLASS CO LTD
Intelligent mercurial thermometer capable of being monitored in real time
ActiveCN103557952AImprove efficiencyHigh precisionThermometers using material expansion/contactionCapillary TubingElectrical connection
Owner:CHONGQING MATERIALS RES INST
Integrated hypoxia experiment simulation device and method of mammals
InactiveCN104799967AIntuitive behaviorIntuitive body surface changesDiagnosticsSurgeryVacuum pressureAutomatic control
The invention discloses an integrated hypoxia experiment simulation device and a method of mammals. The integrated hypoxia experiment simulation device comprises a processor module; the processor module is connected with a display module, a setting module, a sensor module, a power module and a control module; the control module is connected with a vacuum pump. The integrated hypoxia experiment simulation device provided by the invention has the characteristics of being compact in structure and convenient to use; besides; the device can automatically control vacuum pressure, reduce the operating difficulty of students making experiments, and enable the students to mainly focus on the observation of the hypoxia phenomenon, so that the experiment efficiency is greatly enhanced, and the experiment effect is improved; moreover, the experimental device is stable in experiment effect, high in repeatability and good in effect of experiment teaching.
Owner:SHANDONG UNIV
Super-hydrophobic and anti-icing carbon fiber board and preparation method thereof
ActiveCN104290395ALower free energyExperimental conditions require looseSynthetic resin layered productsVehicle componentsRolling angleSeed crystal
The invention discloses a super-hydrophobic and anti-icing carbon fiber board and a preparation method thereof. A ZnO-CFB (carbon fiber board) comprises an array zinc oxide upper layer arranged on the upper surface of the carbon fiber board and an array zinc oxide lower layer arranged on the lower surface of the carbon fiber board. The preparation method comprises the following steps: firstly soaking the carbon fiber board in a crystal seed solution, taking out, drying and solidifying crystal seeds; and then soaking in a growth solution to perform low-temperature crystal growth, thereby obtaining the array zinc oxide layers with the thickness of 2-3 microns on the upper and lower surfaces of the carbon fiber board. Water droplets have the contact angle of 152 degrees and the rolling angle of 3 degrees on the ZnO-CFB disclosed by the invention. The ZnO-CFB disclosed by the invention can still keep a super-hydrophobic state at the temperature of -15 DEG C and the service life of the ZnO-CFB can be prolonged.
Owner:BEIHANG UNIV
Smart Mercury Thermometer
ActiveCN103542950BHigh precisionAccurate readingThermometers using material expansion/contactionEngineeringInformation processor
Owner:CHONGQING MATERIALS RES INST
Positive-pressure breathing device for diving experiment of Bama miniature pig
The invention discloses a positive-pressure breathing device for a diving experiment of a Bama miniature pig. The breathing device comprises a special diving gas cylinder and a gas transmission device; the gas transmission device comprises a primary regulator and a secondary regulator; the primary regulator is mounted at the upstream end of a gas conveying pipe; the secondary regulator is mountedat the downstream end of the gas conveying pipe; the primary regulator comprises a first regulating valve and a pressure gauge; the first regulating valve of the primary regulator is connected and fixed with a pressure reducing valve at the mouth of the special diving gas cylinder; the secondary regulator is provided with a second regulating valve; the second regulating valve is connected with a cylindrical respirator through a connecting pipe; the cylindrical respirator comprises a shell and an attaching mask arranged in the cavity of the shell, the opening end of the attaching mask extends out of the shell, a mask tightening belt is arranged at the opening end of the attaching mask, the shell is fixedly connected with an animal necklace through a connecting belt, and a breathing air outlet is formed in the second regulating valve.
Owner:中国人民解放军陆军特色医学中心
Underground karst cave model preparation method
ActiveCN112525639ACan't structureHigh precisionPreparing sample for investigationMining engineeringKarst
The invention discloses an underground karst cave model preparation method, which comprises the following steps: determining the position and shape of a karst cave according to field engineering conditions through field investigation and geological data; then manufacturing a mold according to the shape of the karst cave, putting the magneto-rheological material and the conductive coil into the mold, electrifying the conductive coil to generate a magnetic field, solidifying and forming the magneto-rheological material, dismounting the mold, and obtaining a karst cave core mold; then selecting similar materials according to geological data to pour a geological model, pre-burying a karst cave core mold in the geological model in the pouring process, and keeping a conductive coil in the karstcave core mold to be electrified all the time in the process; and finally, powering off the conductive coil in the karst cave core mold, enabling the magnetic field to disappear, recovering the magneto-rheological material into fluid, forming the karst cave, and thus completing preparation of the underground karst cave model. Materials used in the method are easy to obtain, the cost is low, operation is easy in the preparation process, no damage is caused to the structure in the dissolution process of the karst cave core mold, and the prepared underground karst cave model is good in simulationeffect.
Owner:HUBEI UNIV OF TECH
Caliber adjustable tire puncture testing device controlled by wire
InactiveCN103063448BControl the duration of tire blowoutExperimental reliableVehicle tyre testingEngineeringElectromagnetic valve
Owner:SOUTH CHINA UNIV OF TECH
Nucleotide sequence, method and kit for detecting human influenza A virus
InactiveCN101921870BSave operating timeReduce financial burdenMicrobiological testing/measurementMicroorganism based processesFluorescenceHuman Influenza A Virus
Owner:CHINESE NAT HUMAN GENOME CENT AT SHANGHAI +2
Control method of jet printing distance based on near-field electrospinning jet printing multi-needle array experiment
InactiveCN108536183BAdjustable printing distanceRealize online feedback controlFilament/thread formingSpeed/accelaration control using electric meansOrganic solventEngineering
Owner:GUANGDONG UNIV OF TECH
A Method for Determination of Internal Anticorrosion and Anode Protection Spacing for Coated Wells with Casing
Owner:PETROCHINA CO LTD
An integrated experimental module for hydraulic orifice and/or crevice high and low temperature fluid mechanics experiments
ActiveCN107677448BThe testing process is simpleThe experiment process is simpleHydrodynamic testingTemperature controlAutomatic control
Owner:DONGGUAN UNIV OF TECH
Hydraulic high-low temperature fluid mechanics experiment module and automatic measurement and control system
ActiveCN107677448AThe testing process is simpleThe experiment process is simpleHydrodynamic testingTemperature controlAutomatic control
The invention provides an integrated experiment module used for a hydraulic high-low temperature fluid mechanics experiment of a hydraulic hole and / or gap and an automatic measurement and control system employing the integrated experiment module. The module employs the principle of integrated design, and enables an oil liquid, an oil supply mechanism, a tested valve and a sensor to be integrated.The whole module can be placed in a high-low temperature box, thereby solving a problem of the temperature control of the tested valve conveniently, effectively and accurately. The tested valve comprises a tested hydraulic hole and / or gap, and can be prepared and replaced according to different experiment requirements. The system provided by the invention can automatically control the temperatureand oil supply of the tested valve, also can automatically test the oil temperature, pressure and flow of the tested valve, and carries out the postprocessing, storage and outputting of the test data.
Owner:DONGGUAN UNIV OF TECH
Underwater high-voltage discharge bubble generator
InactiveCN103528793BSimulate the realExperiment efficientAc-dc conversion without reversalHydrodynamic testingCapacitanceTransformer
Owner:GUANGXI UNIVERSITY OF TECHNOLOGY
Rubbing experiment table for multi-disc bolt connection rotor and testing method thereof
PendingCN114813141AGuaranteed stabilityAchieve regulationEngine testingVibration testingEngineeringTurbine
The invention discloses a multi-disc bolt connection rotor rub-impact experiment table and a test method thereof. By means of the rub-impact device, accurate adjustment of rub-impact parameters can be achieved; through the axial movement on the slide rail, the rub-impact test on each disc of the multi-disc-hub-bolt connection structure can be realized, and meanwhile, the rub-impact test on the high-pressure turbine disc can be realized; a spring limiting and locking nut and a rub-impact gap locking nut are additionally arranged, so that the looseness of the spring limiting nut and the rub-impact gap adjusting nut caused by vibration in the rub-impact process is avoided, and the stability of the rub-impact test is ensured; the rub-impact gap and the rub-impact rigidity can be adjusted by screwing and loosening the rub-impact gap adjusting nut and replacing outer springs with different wire diameters; the influence of the bolt pre-tightening force, the bolt tightening process, the rub-impact form, the rub-impact gap, the rub-impact rigidity, the rub-impact position and the combination of the parameters on the inherent characteristics and the dynamic characteristics of the whole rotor system can be widely considered.
Owner:GUANGXI UNIVERSITY OF TECHNOLOGY
Density gradient preparation device
PendingCN110029047AAvoid confusionImprove work efficiencyBioreactor/fermenter combinationsBiological substance pretreatmentsFixed frameEngineering
The invention discloses a density gradient preparation device. The device comprises an injector, centrifugal pipes, a support, a fixed frame and a fixed tank, wherein the injector is matched with thecentrifugal pipes; two ends of the fixed frame are in sliding fit with the support; a plurality of fixed holes matched with the injector are formed in the fixed frame; the fixed tank is arranged underthe fixed frame; a supporting plate is arranged in the middle of the fixed tank, and is provided with a plurality of supporting holes; an assembly plate is arranged at the bottom of the fixed tank inan inclined manner; a placing hole is formed in the assembly plate; the centrifugal pipes are arranged in the supporting holes, and the bottoms of the centrifugal pipes are matched with the placing holes; and ice cubes are arranged in the fixed tank, and are arranged under the supporting plate. According to the device, a plurality of density gradients can be prepared simultaneously in one time, the work efficiency is greatly improved, labor is saved, experimental fatigue is relieved, and fixing is reliable.
Owner:SHANDONG CROP GERMPLASM CENT
Performance determining system and test method for fire preventing and extinguishing spraying material of flammable coal seam
ActiveCN110514551AExperimental reliableCalculation data processing is convenient and fastChemical analysis using combustionMaterial heat developmentPhysical modelCoal
Owner:ANYANG INST OF TECH +1
One-hole multi-line sealing device and method for high-temperature probe in thickened oil thermal recovery experiment
InactiveCN110080736AExtended Deep ResearchSimple structureEngine sealsConstructionsEngineeringHigh pressure
The invention belongs to the technical field of thickened oil thermal recovery experiment equipment, and discloses a one-hole multi-line sealing device and method for a high-temperature probe in a thickened oil thermal recovery experiment. A plurality of temperature measuring columns are arranged; the plurality of temperature measuring columns penetrate through a sealing gland, an anti-rotation pressing board, a deformation cone and a sealing seat, and are locked; the plurality of temperature measuring columns are fixed through the anti-rotation pressing board, the sealing seat is provided with corresponding notches, and the sealing seat and the anti-rotation pressing board are limited and fixed through the corresponding notches; and the sealing gland compresses the deformation cone through downward movement, and the deformation cone is extruded with the sealing conical surface of the sealing seat through downward movement under stress. The sealing device is simple in structure and good in universality, and can be easily replaced to different high-voltage devices through a conversion joint; meanwhile, the temperature resistance is higher, resistance to the temperature of 1000 DEG Ccan be realized, and through the higher temperature resistance-pressure sealing technology, the deep research of the stratum depth is effectively expanded. The sealing device breaks through the temperature limitation of the existing related instruments and equipment, and expands the range of scientific research more widely.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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