Patents
Patents for G01R 31 - Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere (152,264)
10/2012
10/10/2012CN202486265U Distribution network high-resistance single-phase earthing fault route selection device
10/10/2012CN202486264U Cable monitoring system based on general packet radio service (GPRS)
10/10/2012CN202486263U Simple cable fault locator
10/10/2012CN202486262U Cable disorder tester
10/10/2012CN202486261U Wire and cable fault detector
10/10/2012CN202486260U Line fault indicator
10/10/2012CN202486259U Device for identifying homonym end and synonym end of high-low frequency transformer winding
10/10/2012CN202486258U Portable three-phase motor winding tester
10/10/2012CN202486257U Small-current grounding line selection device for voltage disturbance latching line selection
10/10/2012CN202486256U Novel portable wire tracker
10/10/2012CN202486255U Car door and window circuit and car
10/10/2012CN202486254U Secondary circuit detection system of current mutual inductor
10/10/2012CN202486253U Electric leakage detecting circuit and device thereof
10/10/2012CN202486252U Multifunctional wire cable testing device
10/10/2012CN202486251U Simple loop detector
10/10/2012CN202486250U Horizontal insulator string electrification detecting robot
10/10/2012CN202486249U Robot for detecting overhung porcelain insulator strings
10/10/2012CN202486248U Overhanging porcelain insulator chain detection robot system
10/10/2012CN202486247U Electric-energy quality on-line monitoring device based on embedded-type digitization
10/10/2012CN202486246U Electric bell fatigue testing device
10/10/2012CN202486245U Island detection device based on variable-amplitude idle current disturbance
10/10/2012CN202486244U Street-lamp terminal three-phase electrical parameter acquisition system
10/10/2012CN202486243U Thermal stability test system of surge protection device (SPD) based on service oriented architecture (SOA)
10/10/2012CN202486242U Relay protection self-checking device
10/10/2012CN202486241U Airplane cockpit voice-frequency recorder detector
10/10/2012CN202486240U System for automatically testing direct current parameters of metal oxide resistance sheet
10/10/2012CN202486239U Interference detection equipment for input/output interface of numerical control system
10/10/2012CN202486238U Comprehensive charging system of helicopter
10/10/2012CN202486237U Testing system based on PXI (PCI eXtensions for Instrumentation) platform
10/10/2012CN202486236U Detection circuit for monitoring state of current transformer
10/10/2012CN202486235U Device for detecting bus of gas insulated closed combination appliance
10/10/2012CN202486234U Energy storage device capacity monitor
10/10/2012CN202486233U Moveable test device for electronic component
10/10/2012CN202486232U High-voltage signal generator
10/10/2012CN202486231U Intelligent cable route detection system
10/10/2012CN202486230U Device for testing inversion unit component of three-level frequency converter
10/10/2012CN202486229U Lightning arrester on-line monitoring system
10/10/2012CN202486228U Simulation test device for testing performance of cable
10/10/2012CN202486227U Back-to-back detection system suitable for chain type transverter
10/10/2012CN202486226U Source signal parameter estimation device used for detecting transient characteristics of transformer
10/10/2012CN202486225U Power test platform of 1.5 MW double-fed wind power converter
10/10/2012CN202486224U Line loss measuring and calculating device of power distribution network
10/10/2012CN202486223U Automatic SPD thermo-stable instrument based on FPGA control
10/10/2012CN202486222U Missile launcher launching circuit detection device
10/10/2012CN202486186U Module for displaying state of lithium battery protection board
10/10/2012CN202486170U Limit cylinder for solar battery sheet tester
10/10/2012CN202486169U Standard device of dynamic characteristic tester of high-pressure switch
10/10/2012CN202486168U Multi-type surge voltage generation system
10/10/2012CN202486164U Electroluminescence tester
10/10/2012CN202486095U Insulating tool interlayer defect field detection device
10/10/2012CN102725647A Battery state detection device and method
10/10/2012CN102725646A Loaded printed circuit board test fixture and method for manufacturing the same
10/10/2012CN102725645A Electromagnetic field detection system
10/10/2012CN102723735A Island detection method and system
10/10/2012CN102723693A Load protection circuit and method for electric tool
10/10/2012CN102722203A Control device controlling by using singlechip microcomputer for self-ballasted LED (Light Emitting Diode) lamp aging table
10/10/2012CN102722172A Belt centralized control system ground detector
10/10/2012CN102721937A Aging test fixture of LED
10/10/2012CN102721936A Device and method for testing load capacity of power supply of automobile audio
10/10/2012CN102721935A Charger over current test circuit and test method thereof
10/10/2012CN102721934A Accelerated detection method for service life of driving power supply
10/10/2012CN102721933A State of charge (SOC) evaluation method and SOC evaluation system of lithium ion battery
10/10/2012CN102721932A Automatic battery detecting equipment
10/10/2012CN102721931A On-line remote monitoring and managing system for storage battery
10/10/2012CN102721930A Testing method for capacity of pole plate of lead-acid storage battery
10/10/2012CN102721929A Battery discharge testing equipment and method
10/10/2012CN102721928A Storage battery parameter monitor and parameter monitoring method
10/10/2012CN102721927A Method and system for detecting battery electric quantity of mobile device
10/10/2012CN102721926A Battery core healthy state evaluation method
10/10/2012CN102721925A Intelligent lithium battery protection board tester
10/10/2012CN102721924A Fault early warning method of wind generating set
10/10/2012CN102721923A Motor phase loss detection method
10/10/2012CN102721922A Breaker insulating coefficient prediction unit and method
10/10/2012CN102721921A Predication device and method for remaining service life of circuit breaker
10/10/2012CN102721920A Prediction device and method for remaining life of operating mechanism of circuit breaker
10/10/2012CN102721919A Online monitoring method and online monitoring device of high voltage vacuum circuit breaker
10/10/2012CN102721918A High-voltage detection circuit
10/10/2012CN102721917A Test method and device for tag chip without clock circuit
10/10/2012CN102721916A Power supply voltage-regulating testing device
10/10/2012CN102721915A Method for UPS power circuit fault detection
10/10/2012CN102721914A Measuring device for voltage current characteristics of diode
10/10/2012CN102721913A In-wafer reliability screening method for GaN HEMT (High Electron Mobility Transistor) device
10/10/2012CN102721912A Photoelectric conversion receiver module device with radiator for fast and simple LED (light-emitting diode) test
10/10/2012CN102721911A Method and system for impulse withstand voltage test of transformer
10/10/2012CN102721910A Built-in ultrahigh-frequency antenna sensor for switch cabinet
10/10/2012CN102721909A Ultrahigh frequency radiation characteristic simulation method and system for cable body
10/10/2012CN102721908A Insulation tester with recognition function
10/10/2012CN102721907A Method for testing power-frequency and impulse superimposed voltage in high-altitude region
10/10/2012CN102721906A Method for detecting breakdown voltage of polymer cleaning agent
10/10/2012CN102721905A Testing structure for improving failure analysis efficiency of breakdown voltage of insulator and using method thereof
10/10/2012CN102721904A Device for detecting external insulation of transmission lines and control method thereof
10/10/2012CN102721903A Device and method for detecting turn-to-turn insulation failure of rotor winding of generator
10/10/2012CN102721902A Electric transmission line fault detection method based on voltage traveling wave prediction
10/10/2012CN102721901A Power grid fault diagnosis method based on temporal Bayesian knowledge base (TBKB)
10/10/2012CN102721900A Method for detecting operation fault direction of distribution network
10/10/2012CN102721899A Fault indicator plant wireless communication method
10/10/2012CN102721898A On-line measurement method and on-line measurement system for deformation of transformer winding
10/10/2012CN102721897A Diagnosis method and system of turn-to-turn short circuit fault of power transformer winding
10/10/2012CN102721896A Stoppage arc detection method
10/10/2012CN102721895A Electronic fence tester