Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
39results about How to "Improve calibration work efficiency" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
System and method for checking error of high-voltage electric energy measurement device
InactiveCN101865986AWith measurement accuracyAvoid cumbersomeElectrical measurementsTest powerMeasurement device
The invention discloses a system and a method for checking the error of a high-voltage electric energy measurement device. The system comprises a test power source, a standard electric energy measurement system and a comparison display, wherein the error of the high-voltage electric energy measurement device is checked in the field by using the high-voltage current of the test power source, whichis generated by using three-phase high voltage as the test voltage of the test power source to carry out the high-potential clamping process on two / three groups of test current respectively, to excite the measurement device to be checked, and comparing the response output of the measurement device to be checked with that of the standard electric energy measurement system. The measurement system comprises a voltage sensor, a current sensor and a standard electric energy meter. The method comprises the following steps: determining the error of the system in measurement accuracy by the standard electric energy measurement system; and calculating the overall error according to the limit of the error, so as to control the requirements for the lowest accuracy level. The system of the invention is capable of determining the overall measurement accuracy (0.1) of the high-voltage electric energy measurement device to be checked.
Owner:WUHAN GUOCE HENGTONG INTELLIGENT INSTR
Method for automatically checking protection functions of microcomputer main-transformer differential protection device
ActiveCN104142448AImprove work efficiencyEliminate potential safety hazardsElectrical testingEmbedded systemTest sequence
The invention discloses a method for automatically checking the protection functions of a microcomputer main-transformer differential protection device. The method includes the steps of starting a checking mode, shutting external alternating current sampling, reading a protection control word and a protection control definite value, starting to test an item of a test, judging whether protection is input or not, shutting other protection functions, generating a test sequence according to the definite value, carrying out alternating current input assignment, judging whether the protection acts or not, recording action values and action evaluation, releasing protection function shutting, judging whether the test is completed or not, generating a function checking report, printing the function checking report, exiting from the checking mode, starting external alternating current sampling and the like. By means of the method, extra hardware cost and extra outside loop wiring are not needed, testing of the various protection functions of the whole device can be completed without manual intervention and protection for a tester, the testing process and the testing result are dynamically displayed in real time, and the test report is automatically generated. Due to the automatic checking technology, device test items are standardized, and technical errors, such as test item missing, testing method mistaking and testing result misjudgment, caused by the capacity of workers are avoided.
Owner:STATE GRID CORP OF CHINA +1
Method and system for checking regulation and control information
ActiveCN105447247ARealize checkImprove calibration work efficiencyDesign optimisation/simulationSpecial data processing applicationsMaster stationEmbedded system
The invention discloses a method and a system for checking regulation and control information. The method comprises the following steps that an SCD (Substation Configuration Description) file of a substation is imported into a simulation program; the simulation program sends all action messages in the substation to a telemechanical apparatus and a monitoring background at a scheduled time interval in sequence according to a content of the SCD file; the monitoring background records all received action messages; an analog master station records all received action messages forwarded by the telemechanical apparatus; and all action messages recorded by the monitoring background and all action messages recorded by the analog master station are compared by utilizing a scheduling information table of the substation. The method does not need to complete construction of a communication channel between the substation and the master station and interactively carry out work with the master station and only needs to construct a simulation environment in the substation; the regulation and control information is checked by utilizing an automated tool and means, so that the working efficiency for checking the regulation and control information is improved.
Owner:ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY +2
Liquid level sensor calibration device and calibration method
PendingCN109655135AAvoid validation failuresAvoidor liquid level switch setting error eventTesting/calibration apparatusEngineeringLinearity
The invention discloses a liquid level sensor calibration device and a calibration method. The device comprises a mounting box, a control box, guide rails and sliding modules, wherein the mounting boxcomprises an upper plate of a box body, a lower plate of the box body, a bottom plate of the box body, a left plate of the box body, a right plate of the box body and a movable plate; a first scale plate is arranged on the left plate of the box body; a first guide rail is formed in the inner surface of the left plate of the box body in the direction close to the first scale plate; a second guiderail is formed in the movable plate; the sliding modules are mounted on the first guide rail; each the sliding module comprises a sliding rod, a mounting rod, a magnet block, a junction box, a backingplate and a pointer; the movable plate is arranged at the leftmost end of the upper plate of the box body; a second scale plate is arranged on the movable plate; the movable plate is hinged with theleft plate of the box body; and a core controller is mounted inside the control box and is connected with the sliding module through a driver and drives the sliding module to move in the guide rail. The device can improve the calibration accuracy and linearity, and has the advantages of reliable design, compact structure and convenient operation.
Owner:CHINA YANGTZE POWER
Calibration device of direct-current voltage transformer secondary measurement system
PendingCN110441724AImprove on-site calibration work efficiencyAchieving Independent CalibrationElectrical measurementsTransformerHigh pressure
The invention discloses a calibration device of a direct-current voltage transformer secondary measurement system. The calibration device comprises a standard direct-current source unit used for outputting first voltage signals according to received synchronous triggering signals and collecting the first voltage signals, a voltage collection unit used for measuring second voltage signals output bythe direct-current voltage transformer secondary measurement system according to the received synchronous triggering signals, a main control unit used for sending control commands used as the synchronous triggering signals and calibrating the direct-current voltage transformer secondary measurement system according to the first voltage signals and the second voltage signals. The calibration device is capable of independently calibrating the direct-current voltage transformer secondary measurement system under the condition that high voltage is not applied to a primary busbar side of a direct-current voltage transformer, so that the potential safety hazards caused by long-term operation of a direct-current high-voltage power supply at rated voltage are avoided, and the field calibration operation efficiency of the direct-current voltage transformer is greatly improved.
Owner:ELECTRIC POWER SCI RES INST OF STATE GRID XINJIANG ELECTRIC POWER +2
Quenching deformation thermal corrector for gear ring
InactiveCN105268774AReduce calibration pressureAccurately guarantee the calibration accuracyShaping toolsMetal working apparatusElectricityElectric control
The invention discloses a quenching deformation thermal corrector for a gear ring. The quenching deformation thermal corrector comprises a supporting base, a heating furnace, electric-control lifting jacks, arc-shaped pressure plates, guide rails which are arranged in the heating furnace and are in linear sliding fit with the two arc-shaped pressure plates, a displacement sensor and an industrial controller which is electrically connected with the displacement sensor and the electric-control lifting jacks respectively. According to the quenching deformation thermal corrector for the gear ring disclosed by the invention, a to-be-corrected gear ring is heated by utilizing the heating furnace; steel has yield strength which is usually only about one third to a half of that at a normal temperature while heated to a temperature of 550-650 DEG C, and therefore, correction pressure can be greatly reduced; after the gear ring is heated, the industrial controller controls the electric-control hydraulic lifting jacks to push the arc-shaped pressure plates to apply pressure to the gear ring to correct, and a distance between the two arc-shaped pressure plates is monitored by a displacement sensor in a correcting process, so that the correction precision can be accurately guaranteed, the correction process is automatically completed under the control of the industrial controller, the correction working efficiency is high and labor intensity is low.
Owner:QIJIANG YONGYUE GEAR
Internal expansion type roundness correcting machine for gear rings
InactiveCN105269240AImprove calibration work efficiencyReduce labor intensityMechanical counters/curvatures measurementsUltimate tensile strengthConoid
The invention discloses an internal expansion type roundness correcting machine for gear rings. The internal expansion type roundness correcting machine comprises a bearing, a rotary bearing, a correction platform, swallow-tail-shaped guide rails uniformly distributed on the correction platform along the peripheral direction, fan-shaped annular correction blocks in sliding fit with the swallow-tail-shaped guide rails, an L-shaped support plate fixed at the bearing, a hydraulic jack vertically fixed at the L-shaped support plate and a pressing head fixed at the lower end of a piston rod of the hydraulic jack, wherein the inner circle surfaces of the fan-shaped annular correction blocks are conical surfaces; the front section of the pressing head is a cone which is matched with the conical surfaces of the fan-shaped annular correction blocks. Through the internal expansion type roundness correcting machine for the gear rings, the gear rings are placed on the swallow-tail-shaped guide rails; then the hydraulic jack is controlled to push the pressing head to move; the pressing head pushes the fan-shaped annular correction blocks to slide along the guide rails; the fan-shaped annular correction blocks are used for applying pressure to the gear rings to correct the deformation of the gear rings; the correction operation is automatically completed; the internal expansion type roundness correcting machine for the gear rings is high in correction operation efficiency and low in labor intensity.
Owner:QIJIANG YONGYUE GEAR
Electric control common rail automatic calibration system
InactiveCN108398937ARealize automatic inputAchieve outputElectric testing/monitoringCommon railComputer module
The invention relates to an electric control common rail automatic calibration system which is characterized by comprising a calibration system computer and a testing stand control computer, wherein an automatic calibration function module and a data optimization processing function module are integrated in the calibration system computer, the calibration system computer is connected with an ECU,automatic input of calibration parameters is realized, automatic recording of ECU calibration data and ECU test parameters can be changed, the ECU is used for controlling an engine through an actuatorand a sensor; the testing stand control computer is connected to the engine through a dynamometer and a test device so as to control operating conditions of the engine and collect engine emission data, the emission data is input into the calibration system computer, the calibration data is subjected to optimization processing operation via the data optimization processing function module, and optimization data can be obtained. Convenient and accurate data recording, flexible and convenient control, calibrating efficiency improvement, and reduction of tedious parameter control and data recording work of calibration workers are enabled via the system disclosed in the invention.
Owner:CHINA FIRST AUTOMOBILE
System for detecting and correcting quenching deformation of gear rings through static pressure
ActiveCN105268776AEasy to detectRealize correction joint operationMetal-working feeding devicesStripping-off devicesPersonal computerEngineering
The invention discloses a system for detecting and correcting quenching deformation of gear rings through static pressure. The system comprises a detection unit, a loading and unloading unit and a correction unit, wherein the detection unit comprises a bracket platform, a spindle, a rotary platform and an electric control positioning device; the loading and unloading unit comprises a rotary material paw device, a to-be-detected material placing device and a qualified material placing device; the correction unit comprises a correction worktable, a fixed arc pressing block, a movable arc pressing block, an electric control jack and a displacement sensor. Through the system for detecting and correcting quenching deformation of the gear rings through static pressure, the operations of taking, placing, detecting and correcting workpieces can be automatically implemented in the detecting and correcting process; the system is high in detection operation efficiency, high in correction operation efficiency and low in labor intensity; the correction is implemented by controlling the electric control jack to push the movable arc pressing block apply the static pressure to the gear rings by using an industrial personal computer; the displacement sensor is used for detecting the position of the movable arc pressing block in the correction process; the problem of deformation to the gear rings caused by excessively correction of the gear rings can be avoided; the correction quality is higher; the correction operation efficiency is higher.
Owner:QIJIANG YONGYUE GEAR
Static strength checking method and device
ActiveCN107977488ARealize batch executionAvoid missingGeometric CADSpecial data processing applicationsStatic strengthData mining
The invention discloses a static strength checking method and device. The method comprises the following steps of: constructing a constitutional unit corresponding to a structure of a to-be-checked airplane according to the structure, wherein the constitutional unit comprises one or more elements of a same category; obtaining an attribute parameter and a check parameter corresponding to each element, wherein the check parameter is used for representing a preset index that the to-be-checked airplane needs to achieve; and determining a strength margin of each element according to the attribute parameter and check parameter of each element, wherein the strength margin is used for representing whether the element satisfies the preset index or not. According to the method and device, the technical problem that the check is incomprehensive as static strength check is artificially carried out on airplanes at key parts or under severe working conditions in the prior art is solved.
Owner:SHANGHAI GONGFANG SOFTWARE CO LTD
Device and method for correcting coke oven door knife edge
ActiveCN102140354AImprove calibration work efficiencyGuaranteed repair qualityCoke oven doors/closuresSteel frameEngineering
The invention discloses a device and a method for correcting a coke oven door knife edge. The device is characterized by comprising a mouth-shaped square steel frame, a 5t jack, two 1t jacks and a correcting rotary rack, wherein the mouth-shaped square steel frame consists of an upper beam, two side beams, a lower beam and two hanging hooks; the tops of the two side beams are fixedly welded and connected with the upper beam, and the bottoms of the two side beams are welded with an elliptic hole respectively; two ends of the lower beam pass through the elliptic holes; one end of each of the two hanging hooks is welded with an elliptic hole, the two hanging hooks can be movably hung on the middle part of the lower beam through the elliptic holes, the other ends of the two hanging hooks are provided with an iron hook respectively, and the hook inlets of the two iron hooks are arranged in opposite directions; the 5t jack can be arranged at the bottom of the upper beam, and the bottoms of the 1t jacks can be propped against the oven door knife edge; and one end of the correcting rotary rack can be arranged below the 5t jack, and the other end of the correcting rotary rack can be arranged above the 1t jack.
Owner:MCC5 GROUP CORP SHANGHAI
Nuclear power plant water storage tank liquid level switch calibration device and method
ActiveCN111207812AImprove calibration work efficiencyReduce the risk of affecting the safe operation of the unitTesting/calibration apparatusReal time acquisitionProcess engineering
The invention discloses a nuclear power plant water storage tank liquid level switch calibration device and method, and the device comprises a temporary water storage tank which is provided with a water outlet pipeline which is connected with the top end and the bottom end of a liquid level column, and is used for providing a storage container for the charging and discharging of the liquid level column, the metering pump is arranged on a water outlet pipeline of the temporary water storage tank and used for filling water into the liquid level column, the temporary liquid level meter is parallel to the liquid level column, the bottom of the temporary liquid level meter is connected with the bottom of the liquid level column, and the temporary liquid level meter is used for monitoring liquidlevel in the liquid level column, and the data acquisition and processing device is used for acquiring signals of the plurality of liquid level switches and the liquid level monitoring meter in realtime and processing, displaying and storing the signals. Compared with the prior art, the method has the advantages that the problems of low verification precision, untrusted verification result, verification risk and high cost of an original verification mode are solved, the verification work efficiency of the liquid level switch of the water storage tank is improved, human errors are reduced, and moreover, the risk of influencing safe operation of a unit due to multiple times of verification of the liquid level switch is further reduced.
Owner:中广核工程有限公司 +2
System and method for checking error of high-voltage electric energy measurement device
InactiveCN101865986BWith measurement accuracyAvoid cumbersomeElectrical measurementsTest powerMeasurement device
The invention discloses a system and a method for checking the error of a high-voltage electric energy measurement device. The system comprises a test power source, a standard electric energy measurement system and a comparison display, wherein the error of the high-voltage electric energy measurement device is checked in the field by using the high-voltage current of the test power source, whichis generated by using three-phase high voltage as the test voltage of the test power source to carry out the high-potential clamping process on two / three groups of test current respectively, to excite the measurement device to be checked, and comparing the response output of the measurement device to be checked with that of the standard electric energy measurement system. The measurement system comprises a voltage sensor, a current sensor and a standard electric energy meter. The method comprises the following steps: determining the error of the system in measurement accuracy by the standard electric energy measurement system; and calculating the overall error according to the limit of the error, so as to control the requirements for the lowest accuracy level. The system of the invention is capable of determining the overall measurement accuracy (0.1) of the high-voltage electric energy measurement device to be checked.
Owner:WUHAN GUOCE HENGTONG INTELLIGENT INSTR
Loading device for load calibration test of engine hanging installation joint
The embodiment of the present invention provides a load calibration test loading device for an engine suspension installation joint, which relates to the technical field of load calibration test loading devices, so as to solve the problem that it is difficult to load the main engine suspension joint and the rear suspension joint with large loads in the prior art. . The load calibration test loading device uses the strain electrical measurement method to measure their flight loads. The device can not only complete the heading and vertical loading calibration of the main suspension joints, but also apply restraint loads on the front support joints and rear support joints. On the suspension joint, the heading and vertical load calibration of the rear suspension joint can be completed, and the restraint load can be applied to the front brace joint and the main suspension joint, which saves a lot of economic cost, time cost and labor cost. The device of the invention has ingenious design, convenient installation and use, easy disassembly and assembly, and can meet the use requirements of multiple sites; the device of the invention can be realized by simple mechanical processing, and the cost is low.
Owner:国机集团北京飞机强度研究所有限公司
Automatic correction method, device and system of sampling signal
InactiveCN106707833AImprove accuracyImprove efficiencyProgramme controlComputer controlVIT signalsCorrection method
The invention provides an automatic correction method, device and system of a sampling signal. The method comprises that a control sensor collects a predetermined parameter of a measured object before operation of the measured object and outputs a first analog signal; the first analog signal is converted to digital signals, and an average deviant is calculated by utilizing the digital signals; the control sensor collects the predetermined parameter of the measured object after operation of the measured object and outputs a second analog signal; the second analog signal is converted into an input value; and a practical input value is calculated via the input value and the average deviant.
Owner:BEIJING BORGWARD AUTOMOBILE CO LTD
Device and method for automatic calibration of heliostat angle zero point with the sun as reference object
ActiveCN106249764BEasy accessAccurate and reliable measurement resultsControl using feedbackHeliostatOptical axis
Owner:XIAN UNIV OF TECH
A Tablet-Based Flight Calibration Auxiliary System
ActiveCN111125037BImplement an automatic synchronization mechanismReduce the tedious process of copying one by oneFile metadata searchingTransmissionData synchronizationLog management
The invention provides a flight verification auxiliary system based on a flat plate, and belongs to the field of flight verification. The system comprises a verification platform and auxiliary systemdata synchronization module, an equipment database management editing module, a verification plan making module, a verification result management module, a verification log management module and a calculation auxiliary module which are arranged on mobile equipment. A verification platform and an auxiliary system data synchronization module communicate with the flight verification platform throughTCP / IP to realize batch file transmission between the flight verification platform and the auxiliary system;. A flight verification platform is provided with a data synchronization module. An auxiliary system on a portable tablet personal computer is used for assisting a checker in completing flight checking work, the workload of the flight checker in the flight process is greatly reduced, the probability of misoperation is reduced, and the flight checking efficiency is improved.
Owner:BEIJING SKY AVIATION CO LTD
Absolute calibration method for radiation intensity of Hadamard transform imaging spectrometer
ActiveCN102353448BImprove stabilityCalibration method is simpleSpectrum investigationHadamard transformUltrasound attenuation
The invention relates to an absolute calibration method for the radiation intensity of a Hadamard transform imaging spectrometer. In the method, an integrating sphere light source, a uniform attenuation sheet, an electric translation platform capable of translating along a direction vertical to an optical axis, a Hadamard transform spectrometer, a spectrometer radiation intensity meter, a main control computer and a camera obscura are arranged, wherein the Hadamard transform spectrometer and the spectrum radiation intensity meter are fixedly arranged on the electric translation platform respectively, and are arranged at the two ends of the electric translation table along the translation direction; the electric main control computer can be used for controlling the translation of the electric translation table; the electric main control computer is connected with the Hadamard transform spectrometer and the spectrum radiation intensity meter respectively to acquire output data of the Hadamard transform spectrometer and the spectrum radiation intensity meter; and light emitted from the integrating sphere light source can vertically enter the Hadamard transform spectrometer or the spectrum radiation intensity meter after passing through the attenuation sheet. Due to the adoption of the method, the technical problem of the lack of a calibration method for the radiation intensity ofa front slot type Hadamard transform spectrum spectrometer is solved. The calibration method is simple, and has high efficiency.
Owner:西安中科光机投资控股有限公司
Method and device for checking static strength
ActiveCN107977488BRealize batch executionAvoid missingGeometric CADSpecial data processing applicationsAlgorithmStructure based
Owner:SHANGHAI GONGFANG SOFTWARE CO LTD
Hybrid vehicle startup calibration system and method
ActiveCN106596114BImprove calibration work efficiencyImprove calibration accuracyVehicle testingInternal-combustion engine testingTest roomOxygen sensor
The invention discloses a start calibration system and method for a hybrid vehicle, and the system comprises a test bed which is disposed in a test room, and is used for placing a to-be-calibrated vehicle; an environment control device for adjusting the internal environment of the test room; a pipe control device for adjusting the temperature and pressure of each pipe connected with the to-be-calibrated vehicle; a charging device which is used for supplying power to the to-be-calibrated vehicle; a wide-range oxygen sensor which is used for collecting the information of exhaust gas discharged by an exhaust pipe when the to-be-calibrated vehicle is in use; an air-fuel ratio measurement instrument which is connected with the wide-range oxygen sensor, and is used for generating an air-fuel ratio curve according to the information, collected by the wide-range oxygen sensor, of exhaust gas; and a master console which is connected with the environment control device, the pipe control device, the charging device, the air-fuel ratio measurement instrument and an engine controller of the to-be-calibrated vehicle, and controls the operation of all connected devices, so as to complete the testing of the calibration parameters of the to-be-calibrated vehicle. The system can greatly improve the calibration efficiency.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
Automatic checking device for magnetic turning plate liquid level meter and use method
PendingCN113188636AAvoid validation failuresAvoidor liquid level switch setting error eventTesting/calibration apparatusMaterial resourcesControl theory
The invention discloses an automatic checking device for a magnetic turning plate liquid level meter and a using method. The automatic checking device comprises a bottom plate and universal wheels below the bottom plate. The upper surface of the bottom plate is connected with a frame-structured support frame; a plurality of electric push rods are connected to the upper surface of a bottom plate in the supporting frame, the telescopic ends of the electric push rods are upwards connected with a lifting table, and a plurality of chucks are connected to the upper surface of the lifting table and matched and connected with a magnetic turning plate liquid level meter; the upper surface of the bottom plate on one side of the support frame is connected with a side box; the inner wall of the side box is connected with a lifting mechanism; the top of the side box is connected with an equipment box. The device solves the problems that a floater needs to be moved manually and manual stroke measurement is tedious in step, long in consumed time and poor in accuracy when the magnetic turning plate liquid level meter is inspected in the prior art, and has the characteristics that the device is convenient to use, the magnetic turning plate liquid level meter can be automatically and quickly verified, the verification efficiency is greatly improved, and manpower and material resources are saved.
Owner:CHINA YANGTZE POWER
An integrated alignment and calibration system
ActiveCN106919007BLow costAvoid Calibration ErrorsPhotomechanical exposure apparatusMicrolithography exposure apparatusDirect writingPrism
The invention discloses an alignment and calibration integrated system, and belongs to the technical field of a direct-writing exposure machine. The alignment and calibration integrated system comprises a CCD camera and an optical path assembly, wherein the optical path assembly comprises three groups of prism assemblies; each prism assembly comprises two triangular prisms arranged oppositely; and the prisms are provided with semi-transparent and semi-reflective films and total reflective films. By virtue of the alignment and calibration integrated system, the problem of inaccurate alignment and positioning in the prior art is solved; the alignment and calibration working efficiency is improved; and by integrating an alignment optical path and a calibration optical path, equipment is simplified.
Owner:无锡影速半导体科技有限公司
A method and system for checking control information
ActiveCN105447247BRealize checkImprove calibration work efficiencyDesign optimisation/simulationSpecial data processing applicationsMaster stationComputer science
The invention discloses a method and a system for checking regulation and control information. The method comprises the following steps that an SCD (Substation Configuration Description) file of a substation is imported into a simulation program; the simulation program sends all action messages in the substation to a telemechanical apparatus and a monitoring background at a scheduled time interval in sequence according to a content of the SCD file; the monitoring background records all received action messages; an analog master station records all received action messages forwarded by the telemechanical apparatus; and all action messages recorded by the monitoring background and all action messages recorded by the analog master station are compared by utilizing a scheduling information table of the substation. The method does not need to complete construction of a communication channel between the substation and the master station and interactively carry out work with the master station and only needs to construct a simulation environment in the substation; the regulation and control information is checked by utilizing an automated tool and means, so that the working efficiency for checking the regulation and control information is improved.
Owner:ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY +2
Design method of phased array channel amplitude-phase correction network and storage medium
ActiveCN114422045AImprove calibration work efficiencyWork lessTransmitters monitoringReceivers monitoringPhase correctionBroadband
The invention relates to the field of radio frequency circuits, and discloses a design method of a phased array channel amplitude-phase correction network and a storage medium. The method comprises the following steps: respectively manufacturing an antenna interconnection port layer, a strip line radio frequency layer and a TR interconnection port layer on a radio frequency substrate, and then carrying out composite lamination on a plurality of radio frequency substrates; the antenna interconnection port layer is interconnected with an antenna by adopting a microminiature surface-mounted radio frequency connector, or the antenna is made into surface-mounted packaging to be interconnected with the antenna interconnection port layer; the TR interconnection port layer is connected with a TR type front-end assembly in a micro surface-mounted radio frequency connector mode, or the TR type front-end assembly is made into a surface-mounted package to be interconnected with the TR interconnection port layer; and the strip line radio frequency layer is arranged in an integrated resistor substrate embedding mode. According to the method, the amplitude-phase consistency coupling correction of components between broadband phased array radio frequency channels and the amplitude-phase consistency correction of environment change are realized.
Owner:SOUTHWEST CHINA RES INST OF ELECTRONICS EQUIP
Calibration system of a transmission
ActiveCN106198038BImprove calibration work efficiencyUnderstanding the Impact on Fuel EconomyVehicle testingMachine gearing/transmission testingMathematical modelComputer module
Owner:北京汽车动力总成有限公司
A measuring device for measuring the position of the mounting hole of the thrust reverser support
ActiveCN110440665BQuick testImprove calibration work efficiencyMechanical measuring arrangementsAviationMeasurement device
Owner:AECC AERO SCI & TECH CO LTD
A method for automatic verification of the protection function of a computer-based main transformer differential protection device
ActiveCN104142448BEliminate potential safety hazardsImprove calibration work efficiencyElectrical testingMicrocomputerTransformer
The invention discloses a method for automatically checking the protection function of a microcomputer-based main transformer differential protection device. It includes starting the verification mode; blocking external AC sampling; reading protection control words and fixed values; entering a test; judging whether the protection is enabled; blocking other protection functions; generating test sequences according to the fixed values; Whether to operate; record the action value and action evaluation; release the protection function lockout; judge whether the test is completed; generate a function verification report; print the report; exit the verification mode; open external communication sampling and other steps. The invention does not require additional hardware overhead and external circuit wiring, and can complete the test of various protection functions of the entire device without manual intervention and a protection tester, real-time dynamic display of the test process and results, and automatic generation of test reports. The automatic calibration technology standardizes the equipment test items and avoids technical errors such as missing items in the inspection, wrong inspection methods, and misjudgment of inspection results due to the quality of personnel.
Owner:STATE GRID CORP OF CHINA +1
Sensor centering calibration device of electric power steering system
PendingCN109682409AIncrease the scope of applicationIngenious structureInstrumentsUnit structureModularity
The invention discloses a sensor centering calibration device of an electric power steering system, which comprises a locking unit, an input transmission unit, an output support unit and a calibrationunit, wherein the locking unit is used for clamping and fixing an EPS system; the input transmission unit is used for inputting torque to the input end of the EPS system; the output support unit is used for locking or releasing the output end of the EPS system; the calibration unit is used for calibrating the sensor of the EPS system. According to the invention, a vertical structure is adopted, the locking unit, the input transmission unit and the output support unit are independently modularized, matching construction can be carried out according to the model of the EPS system, and the application range of the calibration device is increased. The whole system can easily carry the EPS system and match and connect each coupling part, the matching and connecting efficiency is high, and thecalibration operation efficiency is improved. The input transmission unit is ingenious in structure and meets the functions of stable matching and connection with the input end of the EPS system, reliable transmission and the like. And the output support unit is reliably connected with the EPS system, and a limiting mechanism can meet the requirements of releasing and locking the output end of theEPS system.
Owner:苏州埃尔迪菲智能机器人有限公司
Simplified calibration method of pressure sensor
ActiveCN114791334AReduce consumptionScale upFluid pressure measurement using ohmic-resistance variationForce measurement using piezo-resistive materialsLearning machineDatasheet
The invention discloses a calibration simplification method of a pressure sensor. The method comprises the following steps: 1) placing a pressure sensor in a corresponding temperature environment, applying different pressures to obtain experimental calibration data, and sending the experimental calibration data to an upper computer; 2) performing normalization processing and feature expansion on the calibration data; 3) using a hybrid polynomial kernel extreme learning machine optimized by an improved eagle optimizer to learn calibration data to obtain a calibration calculation model; 4) inputting the values of the uncalibrated temperature points and pressure points into the trained calibration calculation model to obtain model calculation data; and 5) integrating experimental calibration data and model calculation data to form an online compensation data table, sending the online compensation data table to the MCU, and performing online temperature compensation on the pressure sensor by using a linear interpolation method. Through a small amount of calibration data, calculation data of the whole temperature zone can be inferred, temperature and pressure points needing to be calibrated are reduced, calibration work efficiency is improved, energy consumption is reduced, and temperature compensation precision is improved.
Owner:ZHEJIANG UNIV
Batch verification system and verification method for power quality online monitoring device
ActiveCN104535948BSolve the calibration problemRealize fully automatic detectionElectrical measurementsPower qualityEngineering
The invention discloses a power quality online monitoring device batch calibration system. A detection bench is used for placing a plurality of calibrated analog power quality online monitoring devices or digital power quality online monitoring devices. A controller is connected with the calibrated digital power quality online monitoring devices through network cables. A power quality signal generator control module is connected with a power quality signal generator through a special connecting line. The power quality signal generator is connected with the calibrated analog power quality online monitoring devices. The detection signal output ends of the calibrated digital power quality online monitoring devices and the calibrated analog power quality online monitoring devices are connected with the signal input end of a data processing module through a communication module. The signal output end of the data processing module is connected with a display module. The power quality online monitoring device batch calibration system of the invention can support the analog and digital power quality monitoring devices simultaneously. For the support to the digital power quality monitoring devices, an application is adopted to send lossless digital signals in a standard IEC 61850-9-2 frame format, and the calibration problem of the digital power quality monitoring devices is solved with high quality.
Owner:STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST +2
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com