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67results about How to "Meet verification requirements" patented technology
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Real vehicle test system and method for traffic coordination of automatic driving vehicle
InactiveCN109632339AGuaranteed immersionReduce trial riskVehicle testingAutomotive engineeringCoordinate control
The invention relates to a real vehicle test system and method for the traffic coordination of an automatic driving vehicle. A corresponding interactive test scene is set at a closed test road or a flexible test square based on a test need. The automatic driving vehicle serving as a tested body cooperates with a manned or program-controlled background vehicle to carry out multi-vehicle interactivescene simulation and multi-scene auto-driving vehicle traffic coordination testing. During the process, corresponding equipment is used for collecting and recording moving tracks of all tested vehicles and traffic participants and subjective judgment, physiological indicators related to the interaction comfort and riding comfort indicators of tested vehicle passengers and other vehicle participants are recorded, so that the traffic coordination testing of the automatic driving vehicle is realized and thus whether the automatic driving vehicle has the good interaction capability with other vehicle participants during the driving process is verified. According to the invention, the coordination control is powerful; the data are connected in a unified manner; and the good data support is provided.
Owner:TONGJI UNIV
Broadband object simulator verification platform and verification method
InactiveCN108051786AReasonable designMeet verification requirementsWave based measurement systemsLocal oscillator signalValidation methods
The invention relates to a broadband object simulator verification platform and verification method; the broadband object simulator verification platform comprises the following units: a signal generation module used for forming parallelly outputting emission signal, local oscillator signal and frame synchronising signal according to radar signal parameters, wherein the local oscillator signal isformed by a DSS unit in a lookup mode according to a frequency control word calculated through the signal parameters; a data acquisition module used for caching an AD inputted signal to a FLASH arraythrough a DDRIISDRAM, and said signal can be read by a host computer through a PCIE interface; a data analysis module used for processing the waveform data gathered by the data acquisition module, andverifying a simulation echo effect formed by a simulator. The platform and method can satisfy verification needs of different-system radar object simulators; the signal generation module can producea plurality of radar signal waveforms; the data analysis module has processing algorithms for the plurality of radar echo signals, and has general applicability, thus saving mass resources and time costs for the simulator performance verification works.
Owner:BEIJING AEROSPACE FUDAO HIGH TECH
Satellite telemetry and telecontrol simulation method and system
InactiveCN106506058ASpeed up testingMeet verification requirementsRadio transmissionTested timeSatellite telemetry
The invention provides a satellite telemetry and telecontrol simulation method and system. The method comprises a telecontrol analysis simulation step of receiving satellite telecontrol instructions sent by a satellite ground test system, analyzing content of the instructions and verifying accuracy of formats of the instructions and the content of the instructions; a center processing simulation step of responding to the satellite telecontrol instructions passing through the verification and changing corresponding satellite telemetry data; and a telemetry framing simulation step of organizing the satellite telemetry data, generating data frames and sending the data frames to the satellite ground test system for debugging. The method provided by the invention is used for debugging and verification in a deployment phase of the satellite ground test system, the verification demand of the satellite ground test system can be satisfied, the satellite test time is effectively reduced, and the satellite test speed is improved.
Owner:SHANGHAI SATELLITE ENG INST
Multi-type data verification method and device, computer system and readable storage medium
PendingCN110764942AAvoid high labor costsLess invasiveNon-redundant fault processingEnergy efficient computingSource Data VerificationSoftware engineering
The invention discloses a multi-type data verification method and device, a computer system and a readable storage medium. The multi-type data verification method is based on Internet security, and comprises the following steps: creating a keyword library for storing keywords, a mark library for storing contrast marks, and a rule database for storing verification rules, and outputting a creation completion signal to a server; receiving a service request, obtaining key information in the service request by adopting a keyword extraction method, and extracting a verification mark in the service request; obtaining verification fields according to the verification rules through the key information and the verification marks, and summarizing the verification fields to form a verification chain;and verifying the service request by using the verification chain to obtain a verification result set, and outputting the verification result set. According to the multi-type data verification method,the situation that research and development personnel pay a lot of time and energy costs and thus the human cost investment of enterprises is high is avoided, and the business invasiveness is reduced, and the verification preparation work efficiency is improved.
Owner:PING AN BANK CO LTD
Safety valve check bench
InactiveCN103278314AHumanized operationImprove work efficiencyMachine part testingStructural engineeringSafety valve
The invention relates to a safety valve check bench. A threaded safety valve check unit and a flanged safety valve check unit are respectively arranged by the left side and right side of a central console, the threaded safety valve check unit comprises a threaded base and a threaded safety valve connector, and the threaded safety valve connector is detachably mounted on the threaded base, and is used for connection with a threaded safety valve; in the flanged safety valve check unit, a sealed underpan is arranged on the top of a flanged safety valve-clamping table, and is provided with O-shaped rings which can be tightly matched with the inlet flange of a flanged safety valve for sealing; a first clamping plate and a second clamping plate are respectively arranged on both sides of the sealed underpan, and can be driven by a clamping plate-driving mechanism to transversely get close to each other or get away from each other at the same time and vertically goes up or down at the same time in order to hold the inlet flange of the flanged safety valve. The safety valve check bench is convenient to use, is more complete in functions, and can decrease the intensity of the work of operators and increase working efficiency.
Owner:JIANGNAN UNIV
Parameter verification method and device and storage medium
PendingCN112181804AMeet verification requirementsRealize verificationSoftware testing/debuggingManufacturing computing systemsAlgorithmData mining
The invention discloses a parameter verification method and device and a storage medium. The method comprises the following steps: creating a spring tangent plane based on a tangent plane technology,and intercepting a to-be-verified method; obtaining at least one annotation identifier corresponding to the to-be-verified method; based on a preset data structure rule, analyzing a to-be-inspected parameter corresponding to the annotation identifier; and verifying the to-be-verified parameter according to the corresponding relationship between the to-be-verified parameter and the at least one annotation identifier. Through the technical scheme, when the to-be-verified parameters are verified, the preset data structure rule can be utilized to analyze to obtain at least one annotation identifier corresponding to each to-be-verified parameter, so that various to-be-verified parameters can be verified, and the verification efficiency of the to-be-verified parameters is improved. As long as the parameters conforming to the data structure rules can be added to the parameters to be verified, diversified and various types of parameter verification requirements can be met.
Owner:五八到家有限公司
Surface source black body and manufacturing method thereof
The invention provides a surface source black body and a manufacturing method thereof. The surface source black body comprises a base plate and cones. The base plate is used for forming a support structure of the surface source black body. The predetermined number of cones is formed on the base plate. The cones are arranged on the base plate according to a predetermined mode. At least one part of the cones and the base plate form one body. And at least the other part of the cones is formed independently. The manufacturing of the surface source black body is simple. A processing technology is saved and cost is reduced. Manufacturing is convenient and the surface source black body is convenient to rapidly assemble. A large area of the surface source black body can be made. A high emissivity is possessed. And a verification demand of an infrared spectrum segment is satisfied.
Owner:NAT INST OF METROLOGY CHINA
Handwriting verification apparatus and handwriting verification method
InactiveCN103824094AMeet the verification requirementsMeet verification requirementsCharacter and pattern recognitionPattern recognitionHandwriting
The invention provides a handwriting verification apparatus. The apparatus comprises a parameter storage unit for storing preset characteristic parameters of hand-written handwriting, an obtaining unit for recognizing a user's hand-written handwriting and obtaining the characteristic parameters of the hand-written handwriting, a parameter comparison unit for making a comparison between the characteristic parameters of the hand-written handwriting and the preset characteristic parameters, and a determination unit for determining whether the characteristic parameters of the hand-written handwriting match the preset characteristic parameters, in case of matching, determining that the hand-written handwriting is successfully verified, and in case of unmatching, determining that the hand-written handwriting fails to be verified. The invention also brings forward a handwriting verification method. By using the technical scheme provided by the invention, original handwriting of hand-written input can be verified, and the verification demands of client groups demanding hand-written signing approval are satisfied.
Owner:FOUNDER INT WUHAN +1
Insurance policy information verification method and device based on zero knowledge proof
ActiveCN112508722AMeet verification requirementsPrevent leakageFinanceDigital data protectionInternet privacyTransaction log
The invention discloses an insurance policy information verification method and device based on zero knowledge proof. The method comprises the following steps:receiving an insurance policy informationverification transaction sent by a user, wherein a target insurance policy and to-be-verified insurance policy information are specified in the insurance policy information verification transaction;in response to the insurance policy information verification transaction, calling insurance policy information acquisition logic in the smart contract to acquire encrypted real insurance policy information corresponding to the to-be-verified insurance policy information from a target insurance policy stored on the blockchain; storing the encrypted real insurance policy information and the to-be-verified insurance policy information into a transaction log of the insurance policy information verification transaction, so that an insurance applicant of the target insurance policy obtains the encrypted real insurance policy information and the to-be-verified insurance policy information from the transaction log, generating a proof of the insurance policy information to be verified based on theencrypted real insurance policy information by adopting a zero knowledge proof technology; and sending the certificate returned by the insurance applicant to the user, so that the user verifies the to-be-verified insurance policy information based on the certificate. The method can meet the verification requirement of the user and protect the privacy of the insurance applicant.
Owner:ALIPAY (HANGZHOU) INFORMATION TECH CO LTD +1
High-emissivity surface source black body radiator and manufacturing method thereof
ActiveCN105910714AEasy to makeReduce processing technologyRadiation pyrometryEmissivitySpectral bands
The invention provides a high-emissivity surface source black body radiator and a manufacturing method thereof. The high-emissivity surface source black body radiator comprises the components of a base board which is used for forming the supporting structure of a surface source black body; a preset number of cones which are formed on the base board, wherein the cones are distributed on the base board in a preset manner. The cones and the base board are in an integrated structure. Conical grooves are arranged between the adjacent cones. The conical grooves are non-flat and concave. The high-emissivity surface source black body radiator has advantages of easy manufacture, effective machining process saving, effective cost reduction, convenient manufacture and convenient expansion. The high-emissivity surface source black body radiator can be manufactured to a large-area surface source black body and has high emissivity. Furthermore a calibration requirement for an infrared spectral band is satisfied.
Owner:NAT INST OF METROLOGY CHINA
Double-auto-collimation optical system checking and regulating tube
ActiveCN103217066ASolving Coincidence Check PuzzlesMeet verification requirementsSighting devicesGrismLight energy
The invention discloses a double-auto-collimation optical system checking and regulating tube which relates to the technical field of measuring devices which are characterized by adopting an optical method. The tube comprises a shell, wherein two auto-collimation optical systems are arranged in the shell; a first auto-collimation optical system and a second auto-collimation optical system respectively irradiate light which is emitted from a light source onto a measured reflective mirror through optical devices; and an included angle which is formed by two light rays emitted by the first auto-collimation optical system and the second auto-collimation optical system is an acute angle. The checking and regulating tube adopts a light splitting principle and two groups of light splitting prisms; antireflection films are formed on incident and emergent surfaces through vacuum laser so as to make up the light energy loss which is caused by light splitting; a light splitting film is coated on a gluing layer, the thickness of the film is controlled so as to enable the light splitting ratio to reach 1:1; one light path provides high-precision auto-collimation to a target, so that the target is enabled to be clear and stable, and a problem of cross reticle superposition verification is solved; and the other light path provides a reading micrometer function so as to solve a zero position error verification problem.
Owner:NO 63908 TROOPS PLA
Simulator of GNSS receivers
InactiveCN103499821AObservation data is true and accurateGuaranteed normal serviceSatellite radio beaconingTransmissionObservation dataSimulation
Owner:WUHAN UNIV
Full-automatic clean-in-place machine
InactiveCN106694446AMeet verification requirementsShorten construction timeDeodrantsCleaning using liquidsProduction lineInterference factor
The invention discloses a full-automatic clean-in-place (CIP) machine. The full-automatic CIP machine comprises a rinsing system, a cleaning system, an alkali cleaning system, an injection liquid system and a purified water system, wherein the rinsing system comprises a rinsing tank; a water inlet at the top of the rinsing tank is connected with an injection water pipeline and a pure steam inlet pipe, and a water outlet at the bottom of the rinsing tank is connected with a sanitary centrifugal pump through a liquid supply pipeline; the cleaning system comprises a cleaning tank; the alkali cleaning system comprises an alkali liquor barrel connected to the liquid supply pipeline through a metering pump; and one outlet of the sanitary centrifugal pump is connected with a waste water discharge pipeline through a pipeline, the other outlet of the sanitary centrifugal pump is connected with the water inlet of a heat exchanger, and the water outlet of the heat exchanger is connected with a CIP water supply pipeline on which a vortex shedding flowmeter is arranged. According to the full-automatic CIP machine, equipment is utilized to replace engineering methods; and the full-automatic CIP machine has the advantages that human interference factors are small, the reproducibility is good, the transportability is strong, and the construction time of production lines in hygiene fields, such as pharmacy, can be shortened, and therefore, is worthy of popularization.
Owner:安徽笃舜智能装备有限公司
Quality detecting method of medicine composition for treating obsessed feeling
ActiveCN109406651AQuality improvementAdd TLC DiscriminationComponent separationAdditive ingredientHypnotic Effects
The invention relates to a quality detecting method of a medicine composition for treating obsessed feeling. The medicine composition is prepared from semen ziziphi spinosae, radix bupleuri, white paeony roots, flos albizziae, cortex albiziae, bombyx batryticatus, cicada slough and junci medulla. The quality detecting method comprises the steps of distinguishing the active ingredients of radix bupleuri, flos albizziae, cortex albiziae, bombyx batryticatus and junci medulla, and determining the content of paeoniflorin in white paeony root, jujuboside A in semen ziziphi spinosae and spinosin. The jujuboside in semen ziziphi spinosae and flavonoid ingredient spinosin have important sedative and hypnotic effects; a basis is provided for evaluating the quality of semen ziziphi spinosae. The medicine quality is comprehensively and effectively controlled; an efficient, strict and reliable quality detecting method is made for ensuring the medicine quality; the accuracy is high; the stability is high; the sample treatment time is saved; the method can be effectively used for the quality detection on the medicine composition for treating obsessed feeling.
Owner:贵州大隆药业有限责任公司
Trolley test method for simulating offset collision
InactiveCN109596365AReduce the number of trialsLower side wallVehicle testingAutomotive engineeringCollision test
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD
Address authenticity verifying method and device and electronic equipment
InactiveCN108182282AIncrease authenticityImprove reliabilityLocation information based serviceCommerceDependabilityComputer science
The invention provides an address authenticity verifying method and device and electronic equipment, and relates to the technical field of information. The method comprises the steps of obtaining a target communication number, an address to be verified and an address type of a person to be verified, wherein the address to be verified is a resident address provided by the person to be verified, andthe address type comprises a workplace or a place of residence; according to the target communication number, the address type and a preestablished address database, determining a statistics residentaddress of the person to be verified, wherein the address database is built according to preobtained signaling locating data; according to the statistics resident address, outputting a verification result corresponding to the address to be verified. By means of the address authenticity verifying method and device and the electronic equipment, the position of the actual workplace or the place of residence (resident address) of the person to be verified can be effectively obtained, thus information of the place of residence is effectively verified, the authenticity and reliability of the verification result are improved, and then verification requirements of a financial mechanism are met.
Owner:智慧足迹数据科技有限公司
Thermostatic bath for verifying temperature sensor paired with calorimeter
InactiveCN102564647AImprove measurement accuracyImprove utilization efficiencyCalorimeterControl systemEngineering
The invention relates to a thermostatic bath for verifying a temperature sensor paired with a calorimeter. The thermostatic bath comprises a first bath body, a second bath body and a control system controlling the first bath body and the second bath body respectively. The thermostatic bath is characterized in that the liquid in the mixing cavity of the first bath body flows into a first working cavity through a bottom passage, and the temperature of the liquid in the first working cavity is stable; and the liquid in the mixing cavity of the second bath body flows into a second working cavity through a bottom passage, and the liquid in the second working cavity is stable. The thermostatic bath provided by the invention can accurately verify the temperature sensor paired with the calorimeter, so as to improve the measuring accuracy of the calorimeter, facilitate the improvement on energy utilization efficiency and prevent energy waste.
Owner:NAT INST OF METROLOGY CHINA
Component space radiation effect detection device
InactiveCN108169785AHigh precisionMeet verification requirementsRadiation intensity measurementElectronic componentOrbit
The present invention discloses a component space radiation effect detection device. A radiation environment probe is added to obtain space radiation environment information of a current position whenan electronic component on-orbit test is performed. The component space radiation effect detection device combines real-time measured space radiation environment to perform checking of a measured component so as to improve the accuracy of the assessment of the electronic component space environmental suitability.
Owner:SHANDONG INST OF AEROSPACE ELECTRONICS TECH +1
System and method for judging connection accuracy of hard disk backboard cable
ActiveCN113868037AQuick judgmentQuickly judge connection accuracyDetecting faulty hardware by power-on testHardware monitoringEngineeringComputer science
The invention provides a system and method for judging the connection accuracy of a hard disk backboard cable. The system comprises a mainboard and a hard disk backboard, and the mainboard comprises a central processing unit, an input and output system and a substrate management controller; the hard disk backboard comprises a plurality of hard disks, a programmable logic chip, a current protection module and a display module; each hard disk is connected to the programmable logic chip through the corresponding current protection module and the display module; the programmable logic chip receives power-on information issued by the substrate management controller and powers on all the hard disks one by one; the substrate management controller receives the power-on condition of the hard disk and sends the power-on condition to the input and output system; the input-output system controls the central processor to scan whether the hard disk is normally connected; and if the connection is not normal, the programmable logic chip lights up the corresponding display module. Based on the system, the invention further provides a method for judging the connection accuracy of the hard disk backboard cable, the connection accuracy of the hard disk cable is quickly judged, and the fault reason is displayed through the flicker state of the LED.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD
Gas distribution method and gas distribution device for checking SF6 (sulfur hexafluoride) analyzer
InactiveCN105911224AEasy to operateExcellent gas distribution efficiencyGas analyser calibrationGas cylinderSulfur hexafluoride
The invention provides a gas distribution method and a gas distribution device for checking an SF6 (sulfur hexafluoride) analyzer. The gas distribution method comprises the following steps of mixing SF6 gas and sample gas under the control of mass flow controllers, and thinning the concentration of the sample gas; mixing the thinned sample gas and the SF6 gas under the control of the mass flow controllers, and thinning the concentration of the sample gas for the second time; mixing the sample gas after second time of thinning and the SF6 gas under the control of the mass flow controllers, and thinning the sample gas for the third time. The gas distribution device is characterized in that a pressure relief valve, a first mass flow controller, an electromagnetic valve, a first static mixer, a second mass flow controller, a second static mixer, a third mass flow controller and a third static mixer are sequentially arranged at the end, connecting with an SF6 gas cylinder, of a main gas path; the SF6 gas cylinder is connected with the input end of the second static mixer through a fourth mass flow controller, and is connected with the input end of the third static mixer through a fifth mass flow controller; each sample gas cylinder is respectively communicated with a main gas path through a branch pipeline, and a sixth mass flow controller and the electromagnetic valve are arranged on the branch pipeline.
Owner:STATE GRID CORP OF CHINA +1
Parameter automated configuration verification platform and method for configurable processing core
The invention relates to a parameter automated configuration verification platform and method for a configurable processing core. The verification platform comprises a hardware verification module and a software verification module, wherein the hardware verification module comprises the configurable processing core, performs parameter configuration on the configurable processing core, obtains operation data through the configurable processing core, and storing and outputting the operation data; and the software verification module comprises a Java unit and an MATLAB unit, receives the operation data, generates source data, parameters and configuration information needed for operation of the configurable processing core according to the operation data, and performs comparison and verification on an operation result of the processing core. The flexibility is achieved; and the configuration information of the configurable processing core is changeable, an algorithm is high in flexibility, the data quantity of the source data and the parameters for verification is large and changeable, and software and hardware platforms match cooperatively in the verification platform, so that the demand of high verification flexibility can be well met.
Owner:NANJING UNIV
Metering error automatic verification system for multiple types of single-phase electric energy meters
PendingCN112965025AMeet verification requirementsReduce verification costsElectrical measurementsEngineeringSingle-phase electric power
The invention provides a metering error automatic verification system for multiple types of single-phase electric energy meters, which belongs to the technical field of electric energy meter verification. The system comprises an electric meter conveying frame, a dial plate conveying device, an electric meter supporting device and a calibrating device, wherein the calibrating device comprises a base, an auxiliary probe assembly, a pulse detection assembly and a calibrating terminal, and a current and voltage probe is arranged on the base. The auxiliary probe assembly is arranged on the base and can slide back and forth along the base, and the auxiliary probe assembly comprises an auxiliary probe and is used for acquiring metering data of the to-be-verified electric energy meter. The pulse detection assembly comprises a pulse acquisition module which is used for acquiring metering data output by the to-be-verified electric energy meter in a pulse signal form. The system can meet verification requirements of various electric energy meters at the same time, especially verification of 2009-edition and 2013-edition intelligent electric energy meters and IR46-standard intelligent electric energy meters, a plurality of different verification assembly lines do not need to be arranged, the utilization rate of verification equipment is improved, and the verification cost of the electric energy meters is reduced.
Owner:STATE GRID NINGXIA ELECTRIC POWER CO LTD MARKETING SERVICE CENT STATE GRID NINGXIA ELECTRIC POWER CO LTD METERING CENT
A method for realizing an SoC verification interaction mechanism
InactiveCN106991213ASolve many problems such as inconvenient use, poor portability and reusabilityMeet verification requirementsSpecial data processing applicationsEmbedded systemReusability
The invention provides a method for realizing an SoC verification interaction mechanism. The method is characterized in that operations and monitoring for a specific register are separated, and an interaction interface module, a monitor module and an event task module are added for implementation; a C program, the monitor module and an RTL are connected and achieve data interaction via the interaction interface module; the interaction interface module achieves packaging of AHB signals; the monitor module monitors AHB bus signals packaged by the interaction interface module in real time, and when monitoring that an operation to a preset register is present in the AHB bus, maps the operation as a specific event example; the event task module is used for definition and management of specifically executed operations of event examples. An operation of register writing of a CPU is converted to System Verilog business and business is used to control a flow in upper layer test cases, so that the problems of inconvenient use and poor portability and reusability of the conventional method are solved.
Owner:RAMAXEL TECH SHENZHEN
Double-shaft rotary table system
PendingCN111811541AImprove detection accuracyReduce volumeTesting/calibration of speed/acceleration/shock measurement devicesElectric machineryDistortion
The embodiment of the invention discloses a double-shaft rotary table system. The double-shaft rotary table system comprises an inner shaft part and an outer shaft part, wherein the axial direction ofthe inner shaft part is orthogonal to the axial direction of the outer shaft part, and the outer shaft part is in shaft connection with the inner shaft part, so that the inner shaft part can rotate around the axial direction of the outer shaft part. The double-shaft rotary table system belongs to a horizontal T-shaped structure double-shaft rotary table. A control host outputs high-precision driving signals conforming to motor operation characteristics to an inner shaft motor and an outer shaft motor, the inner shaft motor and the outer shaft motor can respond to the driving signals of the control host to smoothly rotate according to a set operation curve, and smooth transition between different rotating speeds is realized, so that the problem of high distortion degree of a large rotary table system in a low-speed state in the prior art is solved, and the detection precision of a to-be-detected device is improved. Meanwhile, the double-shaft rotary table system provided by the embodiment of the invention has the advantages of small size and light weight, and can meet the verification requirements of various engineering levels.
Owner:SIWAVE INC
Request verification method and related device
ActiveCN110233842AMeet the verification requirementsValidation is not limitedTransmissionClient-sideUser defined
The embodiment of the invention discloses a request verification method and a related device. The method provided by the embodiment of the invention comprises the following steps: a server firstly receiving a request of a client; the server obtaining a request standard according to the request; wherein the request specification comprises a first user-defined expression; wherein the first user-defined expression is used for representing a verification rule, and the first user-defined expression can be compiled according to actual requirements, so that the server verifies the request according to the first user-defined expression, and not only can the verification requirement of a single field be met, but also other verification requirements such as an incidence relation among the fields canbe met.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Metering error automatic verification system for multi-type three-phase electric energy meter
PendingCN112965024AMeet verification requirementsReduce verification costsElectrical measurementsControl theoryVerification system
The invention provides a metering error automatic verification system for a multi-type three-phase electric energy meter, which belongs to the technical field of electric energy meter verification. The system comprises a mounting platform and a verification terminal, wherein an electric meter conveying groove is formed above the mounting platform, an electric meter conveying belt is arranged in the electric meter conveying groove, and an electric meter lifting platform is arranged at the bottom of the electric meter conveying groove; a plurality of feeding seats are arranged on the two sides of the electricity meter conveying groove in an arrayed mode and can feed in the direction perpendicular to the central axis of the electricity meter conveying groove. A verification device is arranged on the feeding seat and comprises a base, an auxiliary probe assembly and a pulse detection assembly, and a current and voltage probe is arranged on the base. The auxiliary probe assembly is arranged on the base and can slide back and forth along the base. The pulse detection assembly obtains metering data output by the to-be-verified electric energy meter in a pulse signal mode. The system can meet the verification requirements of various three-phase electric energy meters at the same time, multiple different verification assembly lines do not need to be arranged, the utilization rate of verification equipment is improved, and the verification cost of the electric energy meters is reduced.
Owner:STATE GRID NINGXIA ELECTRIC POWER CO LTD MARKETING SERVICE CENT STATE GRID NINGXIA ELECTRIC POWER CO LTD METERING CENT
Electronic form check method and apparatus
ActiveCN107463868AMeet verification requirementsQuick judgmentCharacter and pattern recognitionImaging processingElectronic form
The invention discloses an electronic form check method and apparatus, which is used for checking a to-be-checked electronic form. The check method comprises the steps of looking for a coordinate point corresponding to a position factor in the to-be-checked electronic form according to the preset position factor, determining a locating coordinate point in the to-be-checked electronic form according to a set condition, and determining a vertex of a table in the to-be-checked electronic form; according to the vertex of the table in the to-be-checked electronic form and a standard check single template, determining a detection region in the to-be-checked electronic form; and finally performing image processing on the detection region, and judging whether the to-be-checked electronic form meets check requirements or not. The electronic form check apparatus comprises a detection region determination module and an image processing module. According to the method and the apparatus, the detection region is divided through image processing; a check result is judged by detecting the detection region; and the check efficiency is improved.
Owner:ALIBABA GRP HLDG LTD
Electromagnetic field test platform for simulating power grid event disturbance
PendingCN111521964ASatisfied with simultaneous outputAchieve continuous outputMeasuring interference from external sourcesPower gridPhase control
The invention provides an electromagnetic field test platform for simulating power grid event disturbance. The electromagnetic field test platform comprises a power supply module, a comprehensive control and display module, a phase control module, a power frequency electric field generation module, a power frequency magnetic field generation module, an impact magnetic field generation module and awaveform measurement module, the power supply module provides a high-power power supply for the simulation generation platform; the comprehensive control and display module controls generation of a power frequency electric field, a power frequency magnetic field and an impact magnetic field and displays parameters such as an output voltage value, a current value and a phase in a centralized manner; the phase control module controls the impact magnetic field generation module to output an impact magnetic field, a power frequency magnetic field and a power frequency electromagnetic field to output at any superimposed phase; and the waveform measurement module realizes synchronous measurement of power frequency high voltage, power frequency current and impulse current waveforms. According tothe invention, simultaneous output of a power frequency electric field, a power frequency magnetic field and an impact magnetic field can be simulated, the impact magnetic field and the power frequency electromagnetic field can be superposed at any phase, and the electromagnetic field environment requirement of an online monitoring device or a live detection instrument during laboratory calibration is met.
Owner:STATE GRID CORP OF CHINA +3
Gas detection device, system and method based on TDLAS technology
PendingCN110596040AImprove stabilityImprove reliabilityColor/spectral properties measurementsValidation methodsEngineering
The invention relates to a gas detection device based on the TDLAS technology. The gas detection device is characterized by comprising an incidence device, a collimation device, a connecting device, areceiving device, a power module and a computing module. The invention further provides a gas detection system based on the TDLAS technology, a gas flow rate detection method based on the TDLAS technology, a gas concentration detection method based on the TDLAS technology, a gas quality detection method based on the TDLAS technology, a gas flow rate verification method based on the TDLAS technology, a gas concentration verification method based on the TDLAS technology, and a gas quality verification method based on the TDLAS technology. According to the hygienic gas detection method and detection system based on the TDLAS technology provided by the invention, modular packaging is performed on the detection device to realize the tightness of the incidence device and the receiving device and to effectively exclude the influence of environmental factors on the detection result.
Owner:SHANGHAI TOFFLON SCI & TECH CO LTD
Zero magnetic flux compensation-based multi-range current converter and compensation method
PendingCN107359800ARealize wide rangeMeet the verification requirementsConversion without intermediate conversion to dcCurrent rangeMechanical engineering
The invention provides a zero magnetic flux compensation-based multi-range current converter and a compensation method. A primary winding, a first secondary winding and an nth secondary winding are all wound on a power conversion magnetic core and an error detection magnetic core; a compensation winding is also wound on the power conversion magnetic core; a zero magnetic flux detection winding is also wound on the error detection magnetic core; the first secondary winding and the nth secondary winding are connected with an output range switch unit; and a zero magnetic flux compensation unit is connected between the compensation winding and the zero magnetic flux detection winding. The invention provides a multi-range winding design structure based on parallel connection of dual magnetic cores, thereby enlarging the output current range, and meeting the detection requirement of a gateway meter of different current specifications; and due to arrangement of a gain adjustment unit in the zero magnetic flux compensation unit, output loop gains of different ranges of winding are balanced, so that it is ensured that the current conversion system outputs stably and the output accuracy in different range states is consistent.
Owner:STATE GRID CORP OF CHINA +1
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