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39results about How to "Test Specification" patented technology
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Intelligent fat-reducing treadmill and body building instruction method thereof
ActiveCN105169620ATest SpecificationConvenient for dynamic adjustmentMeasuring/recording heart/pulse rateMovement coordination devicesComputer moduleHuman system interaction
The invention discloses an intelligent fat-reducing treadmill and a body building instruction method thereof. The intelligent fat-reducing treadmill is characterized by comprising a body fat rate measuring module, an exercising heart rate measuring module, a control and processing module, a man-machine interaction module, a power module and a treadmill body. The intelligent fat-reducing treadmill is capable of providing corresponding fat-reducing exercising schemes for different users, so that more humanized and intelligent body building purposes are achieved.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
Electromagnetic coefficient tester for electromagnetic material and testing method thereof
InactiveCN1975454AEliminate the effects ofShorten test timeSpectral/fourier analysisCurrent/voltage measurementCapacitanceFrequency spectrum
The invention relates to a test instrument and the test method for the magnetic electric coefficient of the magnetic electric material. The device includes the DC magnetic field generator, the AC magnetic field generator, the signal collecting device, the angle controlling device and the computer with the controlling software. The invention can not only detect the amplitude of the magnetic electric coefficient but the phase, so it is a perfect test system of the magnetic electric coefficient which includes the angle theta, HDC, HAC and frequency f. It can test the spectrum of the coefficient by the computer automatically and it saves the test time and decreases the work strength. The charge amplifier can cancel the influence of the lead capacitance. The angle controlling device can measure the coefficient in region of 0degree-360degree.
Owner:TSINGHUA UNIV
Impact absorption tester
The invention discloses a test machine, in particular to an impact adsorption test machine, mainly for testing the impact adsorption property of sport floor and stage floor. The inventive comprises a connector (10) connected with a support rod (3), a guide rod connected above the connector (10), a weight (14) sheathed on the guide rod (12), a support plate (18) fixed on the upper end of the guide rod (12), a control device for lifting and releasing weight (14) arranged between the support plate (18) and the weight (14), a muffle (24) at a hole of the connector (10), a punch head (22) arranged under the muffle (24), a pressure sensor (26) between the punch head (22) and the muffle (24), a spring (25) in the muffle (24), and a bearing rod (11) supported in the muffle (24) via the spring (25). The invention can avoid artificial effect, standard test, accurate value, simple structure and easy operation.
Owner:宋立山
High speed data converter testing devices, methods, & systems
InactiveUS20060290548A1Low costTest SpecificationElectric signal transmission systemsAnalogue-digital convertersData conversionFrequency mixer
Devices and methods to test high speed analog-to-digital and digital-to-analog signal converters are provided. According to one embodiment, a testing device can comprise an output, a mixer, and an input. The output can provide a signal, and the mixer can receive the signal and provide a test signal to a data converter having a sampling frequency. The test signal can be spectrally impure. The input can sample the data converter output at a frequency less the sampling frequency so that the data converter output is under sampled. According to another embodiment, a first set of data converters are tested to obtain a mapping function that relates dynamic specifications to device signatures. Then a second set of data converters can be tested and based on their device signatures mapped with the mapping function, dynamic specifications for the second set of data converters can be obtained. Other embodiments are also claimed and described.
Owner:GEORGIA TECH RES CORP
Automatic testing device for audio-frequency index
InactiveCN1812349ATest SpecificationImprove test efficiencyData switching networksTest efficiencyTest fixture
This invention discloses a kind of audio frequency index automatic testing apparatus. It concludes audio frequency analyzer which is used to measure audio frequency index; user interactive unit which is used to receive the setting information of the said audio frequency analyzer; apparatus setting unit which generates the apparatus setting instruction of the said audio frequency analyzer according to the said setting information; instruction analysis and down-transmitted unit which receives and analyzes the said setting instruction. This unit also down-transmits the analyzed setting instruction to the said audio frequency analyzer and controls the said audio frequency analyzer. This invention can increase testing efficiency and accuracy of testing results
Owner:HUAWEI TECH CO LTD
Electronic controller test system and method
ActiveCN110333976ATest SpecificationImprove test efficiencyFaulty hardware testing methodsTotal factory controlTest efficiencyArea network
The invention discloses an electronic controller test system and method. The system comprises an upper computer and a to-be-tested electronic controller, wherein the upper computer is connected with the to-be-tested electronic controller through a controller area network CAN bus; the upper computer is used for sending CAN bus data to the to-be-tested electronic controller; the to-be-tested electronic controller is used for classifying and analyzing the CAN bus data to obtain CAN information, generating a driving signal based on a constructed automobile open system architecture according to theCAN information, and executing the driving signal at a set period to obtain corresponding waveform data; and the upper computer is also used for generating a test result according to the waveform data corresponding to the driving signal. According to the technical scheme, the drive control function of the electronic controller is developed based on an automobile open system architecture, the testprocess of the electronic controller is standardized, different types of CAN bus data are analyzed respectively, and the test efficiency is improved.
Owner:CHINA FIRST AUTOMOBILE
Rotary hydrostatic testing machine for steel bottles of liquefied gas
InactiveCN101587049AAutomate operationReduce labor intensityMaterial strength using tensile/compressive forcesFluid-tightness measurement using fluid/vacuumHydraulic pumpEngineering
The invention provides a rotary hydrostatic testing machine for steel bottles of liquefied gas, which comprises a horizontally arranged disc-shaped turntable (9); a plurality of test beds (1) for testing hydraulic pressure of the steel bottles are arranged on a position of the turntable (9) close to an outer edge in the circumferential direction; and the turntable (9) is also provided with a high-pressure hydraulic pump (2) connected with the test beds (1) through water pipes, a hydraulic station (4) connected with the test beds (1) through oil pipes, a self-rotating machine (5) used for driving the turntable to rotate, and a self-sucking pump (8) connected with the test beds (1) through water pipes. The prior (8hr) 600 steel bottles per shift are improved to 2,400 steel bottles per shift in hydrostatic tests for the steel bottles of liquefied gas. The rotary hydrostatic testing machine greatly lightens the labor intensity of operators; and the test process is more standard, and test results are more reliable.
Owner:SHANDONG HUANRI GRP
Autism early-stage screening system based on smile normal form and audio and video behavior analysis
ActiveCN110363129AReduce distractionsImprove accuracyHealth-index calculationMedical automated diagnosisFeature extractionCvd risk
The invention discloses an autism early-stage screening system based on smile normal form and audio and video behavior analysis, and the system comprises: a data collection module which is used for collecting audio and video data in the whole test process; a preprocessing module which is used for synchronously aligning the acquired audios and videos and marking the time and types of different comma stimulations in sections; a feature extraction module which is used for carrying out frame-by-frame analysis on the preprocessed data to obtain various features; a training classification module which is used for training a classifier for features extracted from the paragraph video data and training an autism risk coefficient prediction classifier model in the whole normal form; and a predictionmodule which is used for grading the extracted features by paragraphs by using a classifier model and grading the whole paradigm. The system is used for early screening of autism, so that a screeningtest is more standardized and structured, and test evaluation is more accurate and easier to read and explain.
Owner:DUKE KUNSHAN UNIVERSITY +1
Mutual inductor handover test switching device and switching method thereof
ActiveCN111398644AEasy to switchShorten test timeVery high resistance measurementsEarth resistance measurementsTransformerEngineering
The invention discloses a mutual inductor handover test switching device and a switching method thereof. The device comprises four sets of switching circuits, respectively a first group of secondary winding switching loop, a second group of secondary winding switching loop, a third group of secondary winding switching loop and a fourth group of secondary winding switching loop, each of the switching circuits comprises an I+ input end, an I-input end, a U+ input end, a U- input end, a first selector switch, a second selector switch, an output end E, an output end L and an output end D. The I+ input end and the U+ input end are connected to one end of a secondary winding of the transformer in parallel, the I- input end and the U- input end are connected to the other end of the secondary winding of the transformer in parallel, the I+ input end is connected to the output end D and the I- input end through a first selector switch, and the I- input end is connected to the output end E and the output end L through a second selector switch. According to the invention, the mutual inductor with no more than four groups of secondary windings can be tested, the switching loop is simple, the switching is convenient, the test during mutual inductor handover is rapidly realized, the test time is shortened, and the test efficiency is improved.
Owner:GUIZHOU POWER GRID CO LTD
High speed data converter testing devices, methods, & systems
InactiveUS7250882B2Low costTest SpecificationElectric signal transmission systemsAnalogue-digital convertersFrequency mixerAnalog signal
Devices and methods to test high speed analog-to-digital and digital-to-analog signal converters are provided. According to one embodiment, a testing device can comprise an output, a mixer, and an input. The output can provide a signal, and the mixer can receive the signal and provide a test signal to a data converter having a sampling frequency. The test signal can be spectrally impure. The input can sample the data converter output at a frequency less the sampling frequency so that the data converter output is under sampled. According to another embodiment, a first set of data converters are tested to obtain a mapping function that relates dynamic specifications to device signatures. Then a second set of data converters can be tested and based on their device signatures mapped with the mapping function, dynamic specifications for the second set of data converters can be obtained. Other embodiments are also claimed and described.
Owner:GEORGIA TECH RES CORP
Mutual inductor handover test device and test method thereof
ActiveCN111398869AShorten test timeImprove test efficiencyVery high resistance measurementsBase element modificationsInsulation resistanceTested time
The invention discloses a mutual inductor handover test device and a test method thereof. The device comprises a test wire clamp, a switching device and a tester. The test wire clamp is connected to the input end of the switching device through a test wire. A test port of the switching device is connected to the tester, the test wire clamp can clamp a screw of a secondary side terminal of the mutual inductor, the switching device is used for connecting and short-circuiting a secondary winding of the mutual inductor, and the tester comprises an insulation resistance tester, a transformation ratio tester, a mutual inductor characteristic tester and a direct-current resistance tester. According to the invention, through using the test wire clamp, the switching device and different testers, the test wire clamp is connected with the switching device, the switching device is connected to the secondary winding of the mutual inductor at a time, various tests are achieved when the mutual inductor is handed over, the functions of open circuit, short circuit and grounding operation of the secondary side winding are rapidly completed only through switching of the switching device, the test time is shortened, and the test efficiency is improved.
Owner:GUIZHOU POWER GRID CO LTD
Portable high-altitude hydrophobicity test tool for transformer substation
Owner:国网宁夏电力有限公司中卫供电公司
Semiconductor test equipment with concentric pogo towers
ActiveUS20110018568A1Test SpecificationEasy to disassembleElectrical measurement instrument detailsIndividual semiconductor device testingProbe cardTest specification
A semiconductor test equipment with concentric pogo towers is disclosed, which comprises a base, a tester head, an outer pogo tower, and an inner pogo tower. The inner pogo tower is concentrically received in the outer pogo tower, and a connecting slot of the inner pogo tower is correspondingly engaged with a connecting pin of the outer pogo tower. The outer pogo tower is fixed to the load board together with the inner pogo tower, whereby a plurality of outer pogo pins of the outer pogo tower and a plurality of inner pogo pins of the inner pogo tower are electrically connected to the load board respectively. Therefore, the present invention is capable of expanding the test specifications, but also to change rapidly from different test specifications through replacing a different probe card but without to modify any other hardware.
Owner:KING YUAN ELECTRONICS
Comprehensive test bed of lawn mower
PendingCN107172956ATest parameters can be quantifiedTest SpecificationMowersStructural/machines measurementClutchLawn mower
The invention discloses a comprehensive test bed of a lawn mower. The comprehensive test bed comprises a base, wherein a front wheel bracket for locating a front wheel of the lawn mower and a rear wheel drive mechanism matched with a rear wheel of the lawn mower are arranged at two ends of the base; the rear wheel drive mechanism comprises a bearing block which is fixedly arranged on the base and a transverse rotating shaft arranged on the bearing block; the transverse rotating shaft is provided with a roller which rotates synchronously with the transverse rotating shaft and is in contact fit with the rear wheel of the lawn mower; a power device for driving the transverse rotating shaft to rotate is arranged on the base; and a clutch is arranged between the transverse rotating shaft and the power device. The comprehensive test bed of the lawn mower can be used for carrying out an endurance test on a start-up system, a brake system and a drive and control system of the lawn mower, test parameters can be quantified, and the durability of a product can be normatively, scientifically, objectively and really reflected by the test processes and results.
Owner:CHONGQING DAJIANG POWER EQUIP MFG
Impact absorption tester
The invention discloses a test machine, in particular to an impact adsorption test machine, mainly for testing the impact adsorption property of sport floor and stage floor. The inventive comprises aconnector (10) connected with a support rod (3), a guide rod connected above the connector (10), a weight (14) sheathed on the guide rod (12), a support plate (18) fixed on the upper end of the guiderod (12), a control device for lifting and releasing weight (14) arranged between the support plate (18) and the weight (14), a muffle (24) at a hole of the connector (10), a punch head (22) arrangedunder the muffle (24), a pressure sensor (26) between the punch head (22) and the muffle (24), a spring (25) in the muffle (24), and a bearing rod (11) supported in the muffle (24) via the spring (25). The invention can avoid artificial effect, standard test, accurate value, simple structure and easy operation.
Owner:宋立山
High-temperature reverse bias aging test method and system, terminal and medium
PendingCN119471287AGuaranteed adaptabilityTest SpecificationSemiconductor operation lifetime testingSimulationTested time
The invention relates to the technical field of high-temperature reverse-bias aging testing, in particular to a high-temperature reverse-bias aging testing method and system, a terminal and a medium. Obtaining product information of the to-be-tested device according to the test instruction; acquiring a test duration, a test environment and a corresponding test voltage based on the product information of the to-be-tested device; starting to test the to-be-tested device based on the test time, the test environment and the corresponding test voltage, and obtaining a test result; and if the test result does not meet the high-temperature aging standard condition, outputting warning information. According to the invention, the test precision and reliability can be improved.
Owner:HANGZHOU GAOKUN ELECTRONIC TECHNOLOGY CO LTD
A test fixture for a car traction device for guiding the traction force direction
The present invention relates to a test fixture for a car traction device that guides the direction of traction force, comprising a T-shaped lower base, a T-shaped upper base connected to the T-shaped lower base by bolts, and two guide plates fixed to the top of the T-shaped upper base and arranged in parallel, wherein the guide plates are provided with a first hole distributed along the same axis, two second holes arranged in the vertical direction, and two third holes arranged in the horizontal direction; the connecting line of the first holes on the two guide plates is horizontal, and is used to measure the traction force of 0° in the horizontal direction; the connecting line of the second holes on the two guide plates and the axis of the first hole are at an angle of 5°, and are used to measure the traction force of ±5° in the vertical direction; the connecting line of the third holes on the two guide plates and the axis of the first hole are at an angle of 25°, and are used to measure the traction force of ±25° in the horizontal direction. The present invention makes the test process standardized and accurate, more in line with the test requirements of the national standard, and improves the accuracy and effectiveness of the test results.
Owner:ANHUI DACHANG TECH
A special sensor bracket for vs1 type circuit breaker characteristic test
ActiveCN103926428BReduce disassemblyExtended service lifeMachine part testingMeasurement instrument housingEngineeringMachining
The invention discloses a special sensor support for a VS1 type breaker characteristic test. The sensor support is integrally of a combination structure. The sensor support comprises a connecting rod and a support head. The connecting rod comprises a small connecting rod head, a rod body and a big connecting rod head. The big connecting rod head is provided with an internal thread. The support head comprises a support head body, stand bars and a connecting column. The support head body is a cylinder with the surface diameter being 32 mm. The middle of one surface of the support head body is provided with the connecting column, and the middle of the other surface of the support head body is provided with a hole. The two pairs of stand bars are arranged along the periphery of the surface where the hole is located, and each pair of stand bars is symmetrical about the center point of the hole. The stand bars are provided with threaded holes, and the big connecting rod head is connected with the connecting column. Due to the fact that the sensor support is integrally of the combination structure and machining is carried out step by step, materials are saved; when the sensor support is damaged, it only needs to replace one component, and cost is saved; the sensor support has the advantages of being simple in structure, low in cost, convenient to install and long in service life.
Owner:SHANGYU CITY SHUNXING ELECTRIC POWER
Automatic test method and device for automatic train monitoring system (ATS) interface
PendingCN113590468AImprove accuracyTest SpecificationSoftware testing/debuggingComputer hardwarePathPing
The invention provides an automatic test method and device for automatic train monitoring system (ATS) interface, and the method comprises the steps: determining the configuration information of a first ATS peripheral interface, wherein the configuration information comprises a data analysis format, an interface type, a protocol type and a test message path; starting communication between the ATS and the first ATS peripheral interface; processing data received by the first ATS peripheral interface according to a data analysis format, an interface type and a protocol type to obtain a first data object; and obtaining a first test message corresponding to the first ATS peripheral interface based on the test message path, and matching the first test message with the first data object to obtain a test result. Different types of ATS peripheral interfaces can be integrated to realize unified automatic testing, the testing process is standardized, the workload is reduced, the testing efficiency is improved, the testing cost is reduced, the testing result is obtained in real time, and the accuracy of the testing result is improved.
Owner:TRAFFIC CONTROL TECH CO LTD
Electric performance testing device for electric toys
InactiveCN103412222BQuickly learn to test operationsAvoid delayed operationsThermometer detailsElectrical testingElectricityElectronic load
Owner:CHINA JILIANG UNIV
Early Screening System for Autism Based on Smile Paradigm and Audio-Video Behavior Analysis
ActiveCN110363129BReduce distractionsImprove accuracyHealth-index calculationMedical automated diagnosisData ingestionFeature extraction
The invention discloses an early screening system for autism based on smile paradigm and audio-video behavior analysis, comprising: a data collection module for collecting audio-video data throughout the test; a pre-processing module for synchronously aligning the collected audio-video data, The time and type of different funny stimuli are marked in paragraphs; the feature extraction module analyzes each feature frame by frame for the preprocessed data; the training classification module is used to train the classifier for feature extraction of segmented video data, and The paradigm trains the autism risk coefficient prediction classifier model; the prediction module uses the classifier model to score the extracted features, and scores the entire paradigm. The invention is used for the early screening of autism, so that the screening test is more standardized and structured, and the test evaluation is more accurate, readable and easy to explain.
Owner:DUKE KUNSHAN UNIVERSITY +1
A near-field communication test system and method
ActiveCN108880715BImplement Compatibility TestingImprove stabilityNear-field in RFIDTransmission monitoringControl signalControl cell
The present invention proposes a near-field communication test system and method. The test system includes a host computer, a main chip, and an analog front-end. The analog front-end can electromagnetically interact with matching equipment to realize near-field communication; the main chip includes a control unit and a unit, wherein the control unit is connected to the host computer, and analyzes the commands issued by the host computer, and reorganizes the data and sends it to the processing unit, and the connection between the control unit and the processing unit Using an internal high-speed interface connection, the processing unit modulates and demodulates the issued commands and forms a control signal to control the analog front end. The system and method proposed by the present invention realize the compatibility test of the ISO / IEC14443-3 / 4 layer protocol, satisfy the physical performance test requirements of various types of near-field communication terminal equipment in different situations, and make the near-field communication terminal The performance test is more standardized, unified, accurate and has practical application value.
Owner:BEIJING UNIV OF POSTS & TELECOMM
Electromagnetic coefficient tester for electromagnetic material and testing method thereof
InactiveCN1975454BEliminate the effects ofShorten test timeSpectral/fourier analysisCurrent/voltage measurementCapacitanceFrequency spectrum
The invention relates to a test instrument and the test method for the magnetic electric coefficient of the magnetic electric material. The device includes the DC magnetic field generator, the AC magnetic field generator, the signal collecting device, the angle controlling device and the computer with the controlling software. The invention can not only detect the amplitude of the magnetic electric coefficient but the phase, so it is a perfect test system of the magnetic electric coefficient which includes the angle theta, HDC, HAC and frequency f. It can test the spectrum of the coefficient by the computer automatically and it saves the test time and decreases the work strength. The charge amplifier can cancel the influence of the lead capacitance. The angle controlling device can measurethe coefficient in region of 0degree-360degree.
Owner:TSINGHUA UNIV
Low-temperature mechanical test method with automatic sample exchange
ActiveCN105300809BImprove personal safetyAir conditioning lossMaterial strength using tensile/compressive forcesControl systemDrive by wire
The invention discloses a low-temperature mechanical test method for automatically changing sample pieces. At present, in most low-temperature mechanical tests, every time a sample is changed, the door of the incubator needs to be opened to change when the room temperature is almost the same, which increases the test time. The low-temperature mechanical test device for automatically exchanging samples adopted in the present invention uses parallel grippers to grab the samples, the translation drive device realizes the expansion and contraction of the parallel grippers, the linear driver realizes the lifting of the parallel grippers, and the rotary drive device realizes the parallel grippers The rotation; the control system controls the movement of the parallel gripper, the translational drive, the linear drive and the rotary drive, as well as data transmission. Steps of the present invention: first input the size parameters of the sample into the control system, place the sample on the sample pre-cooling rack and pre-cool it together with the low-temperature test box, and when the temperature reaches the set value, execute through the control system "Load" and "Unload" actions. The invention does not need to open the low-temperature test box, that is, the sample sample can be changed automatically.
Owner:ZHEJIANG SCI-TECH UNIV
Automatic test instrument for Allen test
InactiveCN103142221ASimple structureSimple designSensorsBlood flow measurementKey pressingAutomatic test equipment
The invention relates to an automatic test instrument for an Allen test. The problems of increasing identification efficacy and reducing the ratio of false negative or false positive in test results can be effectively solved. In the automatic test instrument, a tank body is formed by hinging a lower tank body and an upper tank body with the same caliber through a hinge, the upper tank body is of an opening and closing structure by taking the hinge as a shaft, corresponding electromagnet sucking discs are respectively arranged at the front four corners of the tank body, and the front joining part of the upper tank body and the lower tank body is provided with a wrist bonding hole; the front surface of the upper tank body is provided with a button switch, an observation hole is arranged on the top surface, and a power source, an assembly comprising an air compressor and an electromagnetic valve and a light source are arranged inside the upper tank body; and an air sac is arranged at the wrist bonding hole, the air sac is communicated with the air compressor via pipelines and the electromagnetic valve, and the power source is connected with an air compressor switch, an electromagnetic switch on the left air sac pipeline, an electromagnetic switch on the right air sac pipeline, an electromagnet sucking disc closing switch and the light source via a power source switch. The automatic test instrument has convenience for carrying and use, prominent observation topic, simple structure, low cost and easiness in operation.
Owner:HENAN UNIV OF CHINESE MEDICINE
Automatic test instrument for Allen test
The invention relates to an automatic test instrument for an Allen test. The problems of increasing identification efficacy and reducing the ratio of false negative or false positive in test results can be effectively solved. In the automatic test instrument, a tank body is formed by hinging a lower tank body and an upper tank body with the same caliber through a hinge, the upper tank body is of an opening and closing structure by taking the hinge as a shaft, corresponding electromagnet sucking discs are respectively arranged at the front four corners of the tank body, and the front joining part of the upper tank body and the lower tank body is provided with a wrist bonding hole; the front surface of the upper tank body is provided with a button switch, an observation hole is arranged on the top surface, and a power source, an assembly comprising an air compressor and an electromagnetic valve and a light source are arranged inside the upper tank body; and an air sac is arranged at the wrist bonding hole, the air sac is communicated with the air compressor via pipelines and the electromagnetic valve, and the power source is connected with an air compressor switch, an electromagnetic switch on the left air sac pipeline, an electromagnetic switch on the right air sac pipeline, an electromagnet sucking disc closing switch and the light source via a power source switch. The automatic test instrument has convenience for carrying and use, prominent observation topic, simple structure, low cost and easiness in operation.
Owner:HENAN UNIV OF CHINESE MEDICINE
Intelligent network connection vehicle test evaluation method for closed test field area
PendingCN119292942AAccurate evaluationimprove accuracyError detection/correctionIntelligent NetworkTest efficiency
The invention provides an intelligent network connection vehicle test evaluation method of a closed test field area. The intelligent network connection vehicle test evaluation method for the closed test field area comprises the steps of test scene building, scene resource optimization configuration, test instance design, test process preparation, field entry instance test, test process detection, data validity evaluation, instance test ending, data trafficability evaluation based on manual review and test record playback. The method comprises the steps of test scene establishment, scene resource optimization configuration, test instance design, test process preparation, field entry instance test, test process detection, data validity evaluation, instance test ending, data trafficability evaluation based on manual review and test record playback. The invention provides a unified test evaluation method, and provides a comprehensive evaluation method which meets the requirements of online construction of a test scene, smooth cooperation of a test process, accurate monitoring of a test process, accurate evaluation of a test result, generation and filing of a test report and backtracking of the test result in a closed test field. Therefore, the test efficiency is improved, the test process is standardized, the test efficiency is improved, and the test conclusion accuracy is improved.
Owner:CHINA SHIPBUILDING LINGJIU HIGH TECH (WUHAN) CO LTD +1
Flow resistance testing device of valveless piezoelectric pump
InactiveCN103334915AEasy to adjust water speedEvenly distributedPump testingPositive-displacement liquid enginesWater storage tankSemi automatic
The invention discloses a flow resistance testing device of a valveless piezoelectric pump. The device comprises a water tank, wherein the water tank is connected with the to-be-tested valveless piezoelectric pump through a liquid guide pipe, the liquid guide pipe is provided with a one-way valve, the water tank is separated into a water storage tank and a working water tank by a separating plate, the separating plate is provided with a water inlet hole, the side wall of the working water tank is provided with an outflow hole, the outflow hole is connected with the liquid guide pipe through the one-way valve, and the interior of the working water tank is provided with a water feed assembly which is used for controlling the opening and closing of the water inlet hole. Compared with the traditional flow resistance testing device, the flow resistance testing device of the valveless piezoelectric pump has the advantages that the automatic or semi-automatic water feed function is realized, and the stability and accuracy of test data are ensured; the distribution of test data points is uniform, and the action rule can be easily analyzed and researched; and the test process and the test method are more standard, the operation is simple, and the repetitiveness of the data points in certain position is better.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Automatic testing device for audio-frequency index
InactiveCN100536408CTest SpecificationImprove test efficiencyData switching networksTest efficiencyRelevant information
The invention discloses an audio index automatic testing device, which includes an audio analyzer for measuring the audio index of a device to be tested, and also includes: a user interaction unit for receiving test requirement information input by a tester, in which the test requirement information Contains relevant information about the test items requested by the tester; the instrument setting unit is used to automatically generate the instrument setting instructions of the audio analyzer according to the test requirement information; the instruction parsing and issuing unit is used to receive and analyze the described Set instructions, issue to the audio analyzer and control the audio analyzer. The invention can effectively improve the test efficiency and the accuracy of test results.
Owner:HUAWEI TECH CO LTD
An intelligent fat-reducing treadmill and its fitness instruction method
ActiveCN105169620BTest SpecificationConvenient for dynamic adjustmentMeasuring/recording heart/pulse rateMovement coordination devicesHeart rate measurementTreadmill exercise
The invention discloses an intelligent fat-reducing treadmill and its fitness guidance method, which is characterized by comprising: a body fat rate measurement module, an exercise heart rate measurement module, a control processing module, a human-computer interaction module, a power supply module and a treadmill main body. The present invention can provide suitable fat-reducing exercise schemes for different users, so as to realize a more humanized and intelligent body-building purpose.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI