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73results about How to "Realize the test function" patented technology
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Interface testing method and system
InactiveCN106021111AEasy to testEasy to batch testSoftware testing/debuggingComputer hardwareSERCOS interface
The invention discloses an interface testing method and system. The interface testing method comprises the steps of guiding in a testing interface; adding at least one testing case to the testing interface; setting a testing scene, wherein the testing scene comprises an execution sequence of the testing case and scene parameters; adding the testing case to at least one testing suite; operating the testing suite; according to an operation result of the testing suite, generating a report. According to the interface testing method and system, the defect that batch testing cannot be performed on interfaces rapidly in the prior art can be overcome, various interface technologies can be comprehensively supported, language, environment and other factors achieved by service interfaces are not limited, various kinds of interfaces are supported, and rapid testing on the interfaces for various different requirements can be achieved by arranging testing cases, testing scenes and testing suites.
Owner:SHANGHAI CTRIP COMMERCE CO LTD
Sky polarized light radiation spectrum measuring systems
InactiveCN101281060ASolve the adjustmentResolve resolutionSpectrum investigationLight polarisation measurementFiberSky
The invention relates to a radiation spectrum measurement system of the sky polarized light, belonging to the optical electron testing technology field, which is applicable to measuring the sky polarized light and spatial and temporal distribution analysis. The measurement system is consisted of a polarization measurement head, a telescopic optical system, a fiber spectrometer system and a computer. Arranging the polarization measurement head comprises: arranging a cylindrical rotary head on the inside of an interface (1); screwing down a ding screw; then putting a wafer-shaped polarizer in the lumen of the rotary head; using an annular pressing ring to compress and fix the polarizer on the rotary head via two bolts. An equatorial is arranged on an A-frame. Then a refractor is arranged above the equatorial. The back-end of anti-ultraviolet optical fiber is connected on a spectrograph. Then a cosine corrector is arranged on the front-end of the anti-ultraviolet optical fiber. And then the probe-end of the cosine corrector is inserted into an interface (2) and the ding screw is screwed down. The system is provided with strong currency, wide application range and convenient operation.
Owner:DALIAN UNIV OF TECH
Residual current protector
ActiveCN101888082ASimple structureReduce volumeCurrent/voltage measurementEmergency protective arrangements for automatic disconnectionLow voltageTransformer
The invention relates to a residual current protector, comprising a zero-sequence transformer, a detection coil, a signal regulation circuit, a logical processing module, a releaser, a test coil and a direct current power supply device. The residual current protector adopts a measurement switch, a simulation current generator, a trip sensitivity setting device and a parameter regulation resistor RS to form a device with optimized performances. A three-jointed RC phase-shifted oscillation circuit is used in the simulation current generator; and the measurement switch controls on-off of a low voltage direct current power supply provided to the RC phase-shifted oscillation circuit, and when the low voltage direct current power supply is switched on, the RC phase-shifted oscillation circuit outputs an excited signal with an alternative current sine wave form to the test coil. The power supply mode of the simulation current generator powered by the low voltage direct current power supply is optimized, and the trip sensitivity of the residual current protector under the test condition is not relevant to the set parameters of the trip sensitivity setting device and is higher than the trip sensitivity of the residual current protector under the normal condition, thereby greatly simplifying the structure of the circuit, reducing the volume of the product and improving the safe reliability and durability of the product.
Owner:SHANGHAI NOARK ELECTRIC
Testing arrangement of oil paper insulation frequency domain spectrum
ActiveCN102426325AEasy to operateRich measurement informationTesting dielectric strengthFrequency domainVoltage divider
The invention discloses a testing arrangement of an oil paper insulation frequency domain spectrum. An analog output plate and a data acquisition card are inserted in a PCI slot of a computer, and are respectively connected with an analog output card binding post plate and a data acquisition card binding post plate through connection cables. An input terminal and an output terminal of a voltage amplifier are connected with the analog output plate binding post plate and a high voltage terminal of a specimen respectively. Two ends of a resistance voltage divider are connected with the specimen high voltage terminal and the data acquisition card binding post plate respectively. A current input terminal, a voltage output terminal and a control terminal of a current amplifier are connected with a specimen grounding terminal, the data acquisition card binding post plate and the data acquisition card respectively. Grounding terminals of the voltage amplifier, a voltage divider and the current amplifier are connected with a same ground wire. The invention has the advantages of simple operation, accurate measurement, a large amount of obtained information, low cost, no damage of measurement oil paper insulation equipment and a material frequency domain spectrum.
Owner:XI AN JIAOTONG UNIV
Ultraviolet image intensifier resolution testing device
InactiveCN102419251ARealize the test function of resolutionRealize the test functionTesting optical propertiesPhotocathodeUltraviolet lights
The invention discloses an ultraviolet image intensifier resolution testing device, which belongs to the performance testing field of photoelectric instruments. The device comprises an ultraviolet light source, a standard ultraviolet test reticle and an ultraviolet optical system. Under the irradiation of the ultraviolet light source, the standard ultraviolet test reticle can form ultraviolet test light beams containing standard reticles; after being collimated through an off-axis parabolic mirror of the ultraviolet optical system, the ultraviolet test light beams are focused on a photocathode face of a tested ultraviolet image intensifier by an imaging objective lens group in the catadioptric way. The problem about test on the resolution of the ultraviolet band image intensifier is solved; indirect technical support for improving the quality of the ultraviolet image intensifier is provided; and the device also has the advantages of no chromatic aberration, low spherical aberration, high test precision, and the like at the same time, and is convenient to use.
Owner:北方夜视科技研究院集团有限公司
Multifunctional component gas fatigue test system
The invention relates to the field of test systems, and aims to provide a multifunctional component gas fatigue test system. The multifunctional component gas fatigue test system includes a supercharging device, a recovery tank, a gas cylinder, a refrigeration heating machine, a high-low temperature environment box, an anti-explosion fan, a gas leakage detector, a vacuum pump, stop valves and a control system, and can perform a gas tightness test, a fatigue test and the like on a test component. The multifunctional component gas fatigue test system provided by the invention realizes a function of a gas cycle fatigue test of a component, and can perform a pressure maintaining test and fatigue test and the like; realizes reutilization of tail gas, thereby reducing test cost; realizes testing of a large pressure range, thereby satisfying requirements of different component test pressure; realizes isolation of a heat exchange medium and test gas, thereby guaranteeing safety of a device and personnel, and improves heat exchange efficiency through the environment box and the anti-explosion fan; and realizes testing functions of various components, thereby increasing the range of application of the test device.
Owner:ZHEJIANG UNIV
Power management chip with test mode
InactiveCN103888114ARealize the test functionReduced pin countVolume/mass flow measurementElectronic switchingWork statusThreshold voltage
The invention discloses a power management chip with a test mode, and belongs to the technical field of electronic circuits. The power management chip with the test mode comprises an output pin, a function circuit connected with the output pin and a detection circuit connected with the output end of the function circuit, and the detection circuit determines whether the power management chip needs to enter in the test mode or not based on the voltage on the output pin. The detection circuit compares the voltage on the output pin with a threshold voltage, when the voltage on the output pin is larger than the threshold voltage, a valid test mode signal is output, and otherwise the detection circuit outputs an invalid test mode signal. Through the multiplex reset output pin, the power management chip is tested when a reset circuit of the PMU is in a non-work state, the number of pins is reduced, and the test function can also be achieved on the premise of not increasing the packaging size.
Owner:WUXI ZGMICRO ELECTRONICS CO LTD
Antenna test method and antenna test system based on wireless pulse technology
ActiveCN103248384ASuppress multipath interferenceImprove test accuracyTransmission monitoringSynchronising arrangementAutomatic controlCommunication unit
The invention provides an antenna test method and an antenna test system based on the wireless pulse technology. The system comprises a pulse-modulated signal transmission unit, a pulse-modulated signal receiving unit, a wireless pulse receiving and transmission unit, a wireless communication unit, a master control computer unit and a frequency reference unit; the pulse-modulated signal transmission unit is used for exciting the generation of pulse-modulated signals; the pulse-modulated signal receiving unit is used for receiving the amplitude and phase information of the pulse-modulated signals and generating synchronous pulse signals; the wireless pulse receiving and transmission unit is used for wirelessly transmitting baseband pulse signals; the wireless communication unit is used for wirelessly transmitting system control commands; the master control computer unit is used for automatically controlling the whole system and processing data; and the frequency reference unit is used for providing the receiving end device and the transmitting end device of the system with synchronous frequency reference signals.
Owner:CHINA ELECTRONIS TECH INSTR CO LTD
Service testing device and method
InactiveCN1518284AEasy to writeManagement hasSupervisory/monitoring/testing arrangementsData switching networksIntelligent NetworkExtensibility
A service testing equipment and method for intelligent network is disclosed. Said service testing equipment is composed of service control unit for transmitting control command and receiving and recognizing service speech, and service exchange unit for call go-on and reporting service speech data. Its method includes such steps as transmitting control command by service control unit, receiving it by service exchange unit, performing call go-on reporting service speech data, and receiving and recognizing the service speech data by service control unit. Its advantages are automatic calling test and high extensibility.
Owner:HUAWEI TECH CO LTD
Method for automatically testing practical functions of electronic device of Android system platform
InactiveCN109151466ASimple test stepsSimplify production line equipmentTelevision systemsProduction lineModel Number
The invention provides a method for automatically testing practical functions of an electronic device of an Android system platform. The method comprises the steps that: a test app is installed in anAndroid system of an electronic device to be tested; the App is started, the App loads a configuration file which comprises a type and a model of the electronic device to be tested, a corresponding test instruction set is generated according to the configuration file, and the test instruction set comprises a plurality of test instructions of a plurality of practical functions of the electronic device to be tested; the App tests the electronic device to be tested according to each test instruction in the test instruction set and generates a return value for each test instruction; and the App compares each return value with a preset value in the configuration file to determine whether each test instruction passes the test. According to the method, the shortcomings of a manual test are overcome, the test is faster and the result is more accurate, more importantly, the cooperation with a PC to make factory instruction interaction is not needed, and the simplification of production line equipment is facilitated.
Owner:SUZHOU RAKEN TECH
Airplane porthole component performance test system
ActiveCN103662086ARealize the test functionAdd test functionAircraft components testingAirplaneProgrammable logic controller
The invention discloses an airplane porthole component performance test system comprising an industrial control computer, a programmable logic controller, an airplane porthole component test device, and an air source. The industrial personal computer is used for being connected with the programmable logic controller, transmitting a pulse signal of controlling the airplane porthole component test device, and receiving a current signal, processed by the programmable logic controller, of the airplane porthole component test device. The programmable logic controller is used for receiving a pulse signal whereby the industrial control computer controls the airplane porthole component test device, and receiving and processing the current signal from the airplane porthole component test device. The air source is used for providing the airplane porthole component test device with air. The airplane porthole component performance test system is capable of effectively simulating flight temperature and pressure parameters of an airplane, is capable of truly indicating the physical performance of airplane porthole glass during actual operation and the influence of component assembly upon the performance of the airplane porthole glass, is also capable of automatically intercepting and storing test data in performance test process into the industrial personal computer, and has an extensible test function.
Owner:ZHEJIANG MEASUREMENT SCI RES INST
Bidirectional test system and method for electric vehicle BMS and direct-current charging pile
ActiveCN111762050AAddresses the disadvantages of standalone configurationsAdd monitoring functionCharging stationsElectric vehicle charging technologyAutomotive engineeringElectric vehicle
Owner:CQC TRUSTED TESTING TECH
Visual testing system for heat transfer and scale inhibition property of oil sealing water cooler of oil refining device
ActiveCN105158293AStable test conditionsImprove reliabilityMaterial heat developmentWater cyclePressure sensor
The invention discloses a visual testing system for heat transfer and scale inhibition property of an oil sealing water cooler of an oil refining device. The visual testing system is characterized in that: a cooling water circulatory system is arranged between a cold side inlet and a cold side outlet of the oil sealing water cooler; a hot oil circulatory system is arranged between a hot side inlet and a hot side outlet; a first differential pressure sensor is arranged between the cold side inlet end and the cold side outlet end of the oil sealing water cooler; a second differential pressure sensor is arranged between the hot side inlet end and the hot side outlet end of the oil sealing water cooler; a first pressure sensor and a first temperature sensor are arranged on the pipeline at the cold side inlet end of the oil sealing water cooler; a second pressure sensor and a second temperature sensor are arranged on the pipeline at the hot side inlet end of the oil sealing water cooler; a third temperature sensor is arranged on the pipeline at the cold side outlet end of the oil sealing water cooler; a fourth temperature sensor is arranged on the pipeline at the hot side outlet end of the oil sealing water cooler; a heat exchange pipe and a shell of the oil sealing water cooler are connected to form a joint structure capable of being disassembled and changed. According to the visual testing system, the test data is high in reliability, and the application range is wide.
Owner:CHINA PETROLEUM & CHEM CORP
Launcher of pedestrian protection aPLI new leg type impactor
PendingCN111307471AFit tightlyRealize the test functionShock testingVehicle shock testingAerospace engineeringHook plate
The invention provides a launcher of a pedestrian protection aPLI new leg type impactor. The launcher comprises a launcher body, an upper hook plate is arranged on the launcher body; a push plate is arranged in front of the launcher body; a shaft hole is formed in the gravity center of the launcher body; a connecting piece is fixedly arranged at the shaft hole; the launcher body is installed witha propeller of a pedestrian protection test system through a connecting piece. The upper end of the launcher body is in a concave shape, the upper hook plate is inserted into a gap of an upper body mass block of the aPLI new leg type impactor, thighs, knees and shanks of the aPLI new leg type impactor abut against the push plate, a clamping plate extending forwards is further arranged below the push plate, and the clamping plate can clamp the two sides of the shanks. A brand-new advanced leg type impactor aPLI testing function can be achieved, and all requirements for the leg type in the flight impact process in the standard are met.
Owner:CHINA AUTOMOTIVE TECH & RES CENT +1
On-site anti-shear strength detector for flexible adhesive material
InactiveCN101051013AEasy to carryReduce volumeMaterial strength using steady shearing forcesVariatorEngineering
An analyzer used for detecting shear strength of flexible bound material on-site is prepared for setting shaft being able to be lifted up and down in speed variator, arranging pressure transducer at end of said shaft, setting pres head at end of pressure transducer.
Owner:SOUTHEAST UNIV
Container management method and device and electronic equipment
PendingCN110188049ARealize the test functionAdjust in timeSoftware testing/debuggingPlatform integrity maintainanceProgramming languageTime-Consuming
The invention provides a container management method and device and electronic equipment, relates to the technical field of containers, and can solve the technical problem that the program operation and maintenance process is time-consuming and labor-consuming. According to the specific scheme, the method comprises the steps of obtaining program codes; performing code quality detection and code security detection on the program code to obtain a detection result; if the detection result is qualified, performing code deployment in a Linux container according to the program code to obtain a target program; and running the target program to obtain a running result, and detecting a code deployment condition of the program code according to the running result, the code deployment condition comprising successful deployment or failed deployment.
Owner:北京阿尔山金融科技有限公司
Fluid transfer apparatus
ActiveCN103917295AImprove convenienceRelieve pressureWithdrawing sample devicesBurettes/pipettesLaboratory orderElectrical control
The invention relates to a fluid transfer apparatus, in particular pipetting apparatus, for transferring at least one fluid laboratory sample, in particular a biochemical or medical laboratory sample, comprising a base body, which has a connecting section serving for connecting a container to the base body for the intake of the at least one fluid sample into the container, a movement device, which can bring about the intake and / or delivery of at least one fluid laboratory sample into the container, an electrical control device, which controls at least one function of the fluid transfer apparatus, a sensor device, which comprises at least one acceleration sensor which is signal-connected to the control device and by means of which at least one acceleration value can be measured during the movement of the fluid transfer apparatus, wherein the control device is designed such that it uses the at least one acceleration value during the control of the at least one function. The invention furthermore relates to a method for using at least one acceleration value in a fluid transfer apparatus.
Owner:EPPENDIRF AG
Wide-range underground water flow velocity and direction testing device and method
PendingCN108828262ARealize the test functionEasy to implementIndication/recording movementFluid speed measurement using thermal variablesCombined testWater flow
The invention belongs to the field of hydrogeological parameter testing, and specifically relates to a wide-range underground water flow velocity and direction testing device and method. The device comprises an underground water flow velocity measuring module based on the thermal disturbance technology; an underground water flow velocity measuring module based on a fluid mechanics model; and a boxbody which is used for fixing the underground water flow velocity measuring module based on the thermal disturbance technology and the underground water flow velocity measuring module based on the fluid mechanics model. The method comprises the steps: obtaining the data through the underground water flow velocity measuring module based on the thermal disturbance technology, measuring a flow velocity value Vs according to the obtained data, wherein the measurement range of the flow velocity value Vs is 10<-7> m / s< Vs <10<2> m / s; obtaining the data through the underground water flow velocity measuring module based on the fluid mechanics model, measuring a flow velocity value Vs according to the obtained data, wherein the measurement range of the flow velocity value Vs is 10<-2> m / s< Vs <10<2> m / s. The device and method can achieve the integrated testing of the wide-range underground water flow velocity and direction.
Owner:WUHAN CENT CHINA GEOLOGICAL SURVEY CENT SOUTH CHINA INNOVATION CENT FOR GEOSCIENCES
Jig for aging tests
ActiveCN102590667AImprove aging efficiencyImprove test efficiencyElectrical testingMeasurement instrument housingTest efficiencyEngineering
The invention relates to the technical field of ageing tests, particularly relates to a jig for aging tests, and structurally comprises a base and an upper cover arranged above the base. The base is provided with a base printed circuit board (PCB) which is provided with a direct current (DC) signal connecting device, a product placing groove is arranged on the inner surface of the base opposite to the upper cover, and a DC signal interface is arranged in the produce placing groove and electrically connected with the DC signal connecting device through the base PCB. An upper cover PCB is arranged in the upper cover and provided with an alternating current (AC) signal connecting device, and the AC signal connecting device is electrically connected with an AC signal interface. The jig for aging tests has the advantages of being simple in structure, simple and rapid to operate and high in aging testing efficiency, and particularly meets requirements for rapid development of modern enterprises.
Owner:DONGGUAN GUANJIA ELECTRONICS EQUIP
A method and apparatus for testing a protocol interface
PendingCN109032920ARealize the test functionEfficient testingSoftware testing/debuggingTest caseComputer terminal
The embodiment of the invention discloses a method and a device for testing a protocol interface. After receiving the request information for testing a certain interface, a terminal converts the datastructure information corresponding to the interface into a common second format. The test case for testing the preset interface can be quickly generated through the second format, and then the firstformat of communication between the test case conversion layer support terminal and the server is converted through the format conversion, and the test case is sent to realize the test function. Because the second format can generate test cases efficiently, the test cases generated by the second format can achieve efficient testing, especially when the test cases are batched, the time cost can besignificantly saved.
Owner:BEIJING QIANXIN TECH
Energy storage conversion self-power-supply mode based multifunctional power distribution detection apparatus
InactiveCN105978080AReduce workloadSuit one's needsIndicating/monitoring circuitsSafety/protection battery circuitsPower gridAlternating current
The invention discloses an energy storage conversion self-power-supply mode based multifunctional power distribution detection apparatus. The multifunctional power distribution detection apparatus comprises a charging input socket, an inversion alternating current output socket, a charging management module, an alternating current signal source output interface, an alternating current signal source output monitoring device, an alternating current signal source output linear adjustment rotary knob, an energy storage residual electric quantity indicator, a direct current power supply output interface, an alternating voltage signal source output interface, an alternating voltage signal source output monitoring device, an alternating voltage signal source output linear adjustment rotary knob and a general operating switch of the host. The energy storage conversion self-power-supply mode based multifunctional power distribution detection apparatus can supply stable power supply, simplify the kinds of the onsite instruments and improve the working efficiency of the operation and management of the power grid.
Owner:SHENZHEN YUENENG ELECTRICAL CO LTD
Multifunctional temperature control double-cavity pressure chamber
PendingCN106680107AGuaranteed accuracyOffset errorEarth material testingMaterial strength using tensile/compressive forcesTemperature controlWater baths
The invention discloses a multifunctional temperature control double-cavity pressure chamber. The multifunctional temperature control double-cavity pressure chamber comprises a temperature control system and a pressure chamber system, wherein the temperature control system comprises a thermostatic box (1), a first temperature sensor (2-1), a second temperature sensor (2-2), a third temperature sensor (2-3) and a water bath circulating copper pipe (3); the pressure chamber system is mounted in the thermostatic box (1) and comprises a pressure chamber base (11), an organic glass cylinder (5) mounted on the pressure chamber base (11), an aluminum alloy cylinder (7) located in the organic glass cylinder (5) and an upper cover (4) mounted at the tops of the organic glass cylinder (5) and the aluminum alloy cylinder (7). The multifunctional temperature control double-cavity pressure chamber is reasonable in structural design, simple to operate, wide in application range, high in automation degree, high in stability and long in service life and can implement various test operation processes.
Owner:南京泰克奥科技有限公司
Full optical fiber current measuring method
InactiveCN1488946AGuaranteed test accuracySimple test systemVoltage/current isolationOptical pathPhysics
Using characteristic of close relation between optical path change of coherent beam formed by a sensor header and current to be measured, the invention through phase relation of interference signals realizes the function for measuring current. Highlighted advantages of the invention are as follows. There is no limit of linear working space of system. Measuring sensitivity is adjustable based on physical circumstances so as to ensure measuring accuracy at both of large current and small current. The method of measuring current is based on optical path change of magnetic interference instead of existing technology depending on Faraday rotation effect, providing features of simple measuring system and no technical problem for controlling polarization in optical path. Comparing with prior art, the invention provides stable measuring result since its symmetrical optical path eliminates influence on the system caused by slow varying heat effect and surrounding vibration.
Owner:FUDAN UNIV
Chip test method, system and apparatus
InactiveCN101191818ARealize the test functionConvenient and flexible testing functionElectronic circuit testingEmbedded systemTest facility
The invention discloses a method for testing chips which comprises the following steps of: preestimating the possible errors in a functional module to be tested of a chip to be tested; setting the test logic for testing the errors and arranging the test logic in a test device arranged outside the chip to be tested. The method also comprises the following steps that: the test device is used to test the functional module by means of the test logic and converts the test result into one of the two states which respectively indicate that errors exist in the functional module and that errors do not exist in the functional module. The invention also discloses a chip testing system and the test device. With the invention, the test logic can be changed according to new test proposal, thereby increasing the test speed.
Owner:VIMICRO CORP
C-DOCSIS (China-Data Over Cable Service Interface Specifications) networking architecture-based reverse link testing method and system
ActiveCN104702467ALow costRealize the test functionTelevision systemsSelective content distributionDistribution systemRadio frequency
The invention discloses a C-DOCSIS (China-Data Over Cable Service Interface Specifications) networking architecture-based reverse link testing method and system. The system comprises a secondary front end, an HFC (Hybrid Fiber Coaxial) network and a user side, wherein the secondary front end comprises an OLT (Optical Line Terminal) box, a radio frequency distribution system and a light emitting platform connected with a radio frequency distribution system; the HFC network comprises a unidirectional optical machine, a CCMTS (China-cable Modem Terminal Systems) and a bidirectional amplifier; a reverse link testing module is arranged in the CCMTS; the user side is a handheld test terminal; an output end of the light emitting platform is connected with an input end of the unidirectional optical machine through an optical fiber; the OLT box is connected with the reverse link testing module through a single-core optical fiber; the reverse link testing module and the unidirectional optical machine are both connected with the bidirectional amplifier through a coaxial cable; the bidirectional amplifier is connected with the handheld test terminal through the coaxial cable. The method and the system have the advantages of low cost and convenience, and can be widely applied to the field of television.
Owner:GUANGZHOU DIGITAL MEDIA GRP CO LTD
A signalling layout for realizing non-real time network facsimile
A signaling format used for realizing non-real time network fax includes logging-on signaling format, fax-sending signaling format, fax-receiving signaling format, broadcast signaling format, value-charging signaling format, balance-querying signaling format, detail-querying signaling format and test signaling format.
Owner:XIAN UNIV OF POSTS & TELECOMM
Metering automatic testing device
InactiveCN105511452ARealize the test functionProgramme controlElectric testing/monitoringFunctional testingWired communication
The invention provides a metering automatic testing device, which comprises a main controller, a data collecting unit, a first testing unit, a second testing unit, an analyzing unit and a data communication unit, wherein the data collecting unit, the first testing unit, the second testing unit, the analyzing unit and the communication unit are respectively connected with the main controller; the data collecting unit is used for collecting front end data; the first testing unit is used for simulating the terminal function test; the second testing unit is used for testing a communication protocol; the analyzing unit is used for detecting and analyzing a fault; the data communication unit is used for transmitting data; the main controller consists of an ARM chip, a data storage chip and a chip peripheral circuit; the data collecting unit comprises a plurality of PT / CT sensors and an AD (analog to digital) converter, and the AD converter is arranged between the PT / CT sensors and the main controller; the first testing unit, the second testing unit and the analyzing unit respectively consist of a DSP chip and a peripheral circuit thereof, and are integrated on one PCB (printed circuit board); the data communication unit comprises a wired communication module and a wireless communication module which are integrated on another PCB. The metering automatic testing device has the advantages that multiple testing functions can be realized, and the testing result can be automatically compared and analyzed.
Owner:SHENZHEN POWER SUPPLY BUREAU
Complex missile-borne cable test system and test method
InactiveCN112748370AHigh coverage of test requirementsImprove test efficiencyTesting dielectric strengthVery high resistance measurementsTest efficiencyElectrical resistance and conductance
The invention discloses a complex missile-borne cable test system and test method, and the system comprises: an industrial personal computer, which is used for inputting a test instruction and receiving and analyzing test data; a routing case, which is connected with the industrial personal computer and is used for receiving a test instruction of the industrial personal computer; wherein the routing case is connected with pins at the two ends of the to-be-tested cable to form a test loop; and a test module, which is connected with the industrial personal computer, receives the test instruction of the industrial personal computer, and tests the conduction, insulation resistance and electrical resistance of the to-be-tested cable. According to the invention, a test instruction can be input through the industrial personal computer, the test module is controlled to test conduction, insulation resistance and electrical resistance of the to-be-tested cable, and the industrial personal computer can directly give a test conclusion according to test data of the test module. The test requirement coverage rate is high, various test functions are achieved, the test efficiency is high, and the method is suitable for production detection.
Owner:广州辰创科技发展有限公司
High-speed test system and processing method thereof for ATE machine
InactiveCN104914339AEasy to assemble and disassembleEasy to useElectrical testingSpeed testEngineering
Provided is a high-speed test system and processing method thereof for an ATE machine. The test system comprises a test daughter board and a test mother board. The test mother board is provided with a spring needle connector array, and the test daughter board is provided with a test socket. The test daughter board, the spring needle connector array and the test mother board are connected through a pressing screw connection mode. The processing method is characterized by, to begin with, pressing spring needles to a spring needle connector module; then, installing the spring needle connector module to a step-shaped groove reserved in a metal base through a screw connection mode; and finally, installing a stud running through the whole height of the test system to the metal base, wherein the two ends of the stud are screwed with the test daughter board and the test mother board respectively and independently, and thus pressing assembling work of the test system is finished. The high-speed test system and processing method not only can ensure repeated use and maintenance of the test system, but also can realize high-precision control of signal link impedance, and thus integrity of high-speed signal of the test system is guaranteed.
Owner:NO 771 INST OF NO 9 RES INST CHINA AEROSPACE SCI & TECH
Frequency conversion power supply test system and test control method thereof
ActiveCN107607885ARealize separate testsRealize the test functionPower supply testingTest proceduresPower grid
The invention discloses a frequency conversion power supply test system and a test control method thereof. The test system comprises a transformer, a first frequency conversion power supply and a second frequency conversion power supply, the second frequency conversion power supply serving as a simulation load. The first frequency conversion power supply and the second frequency conversion power supply each include a power grid side converter and a load side converter. AC sides of the power grid side converters of both the first frequency conversion power supply and the second frequency conversion power supply are connected with a power grid through the transformer. An AC side of the load side converter of the first frequency conversion power supply is connected with an AC side of the loadside converter of the second frequency conversion power supply. The frequency conversion power supplies are utilized to simulate load in the frequency conversion power supplies, the two frequency conversion power supplies are tested respectively through adjustments of the control method, test procedures of multiple to-be-measured frequency conversion power supplies can be simplified, the test efficiency can be improved, and the cost is low.
Owner:NR ELECTRIC CO LTD +1
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