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)
08/2013
08/14/2013CN203133203U DC magnetic bias monitoring system based on multiple acquisition cards
08/14/2013CN203133202U Transformer DC magnetic bias on-line monitoring device
08/14/2013CN203133201U Integrated measurement device for energy-storage grid-connected system
08/14/2013CN203133200U Automatic detection device for detecting characteristics of washing machine tractor
08/14/2013CN203133199U Test tool for DC metal film capacitor
08/14/2013CN203133198U Debugging indoor high capacity system
08/14/2013CN203133197U Test apparatus for electric executing mechanism
08/14/2013CN203133196U An airplane charger testing box
08/14/2013CN203133195U Electric energy method oil pumping unit balance testing device
08/14/2013CN203133194U vehicle external radiation source
08/14/2013CN203133193U Electronic element detection equipment
08/14/2013CN203133192U Case of touch screen testing instrument
08/14/2013CN203133191U Heating filament detector
08/14/2013CN203133190U Thermoelectric refrigeration assembly aging screening automatic testing device
08/14/2013CN203133189U PCB (printed circuit board) automatic detector module for PCB flexible full-automatic detection production line
08/14/2013CN203133188U A circuit for detecting three states of an automobile switch signal value
08/14/2013CN203133187U MEMS device, and strip of MEMS device designed for undergoing test operation
08/14/2013CN203133171U Testing device for testing wafer of electronic circuit
08/14/2013CN203133142U Vehicle storage battery voltage tester
08/14/2013CN203133126U High voltage test module
08/14/2013CN203133118U Adapter for electric connector test
08/14/2013CN203132849U Central air conditioning?system energy saving evaluation?system
08/14/2013CN203132839U An apparatus for detection of electric luggage compartment door locks of cars
08/14/2013CN203132830U Hand-held probe lead bending test apparatus
08/14/2013CN203132703U Analog power supply loading temperature measuring device for emergency power van fast-access apparatus
08/14/2013CN203126544U Block terminal with blown fuse detection function
08/14/2013CN103250429A Method and arrangement for monitoring at least one battery, battery having such an arrangement, and motor vehicle having a corresponding battery
08/14/2013CN103250300A Battery system and method for determining battery module voltages
08/14/2013CN103250066A System and method for sensing battery capacity
08/14/2013CN103250065A Feedback scan isolation and scan bypass architecture
08/14/2013CN103250064A Partial discharge sensor
08/14/2013CN103250063A Fault direction parameter indicator device using only current and related methods
08/14/2013CN103250061A Insulation resistance measurement circuit having self-est function without generating leakage current
08/14/2013CN103250051A A method and a device for detecting defects in a packaging material
08/14/2013CN103249440A Battery management system
08/14/2013CN103248354A 半导体集成电路 The semiconductor integrated circuit
08/14/2013CN103248255A Tri-phase modular multi-level converter and fault-tolerate detecting method for IGBT (insulated gate bipolar translator) open circuit fault in sub-modules thereof
08/14/2013CN103248176A Method for changing polarity of generator excitation bus
08/14/2013CN103248118A Intelligent recognition and management system for grid faults
08/14/2013CN103246787A Method for rapidly evaluating reliability of semiconductor device
08/14/2013CN103246278A Method and device for detecting fault of motor vehicle
08/14/2013CN103246254A Charging and battery swap guiding system and method for vehicle-mounted terminal and electric vehicle
08/14/2013CN103245923A Quick batch test device for light, color and electricity performance of LED
08/14/2013CN103245922A Fuel cell stand-by power supply system intelligentized test platform
08/14/2013CN103245921A Power supply testing system
08/14/2013CN103245920A Multifunctional fuel cell on-line testing printed circuit board
08/14/2013CN103245919A Thermal load and mechanical load accelerated fatigue test device of fuel cell
08/14/2013CN103245918A Electric power detection system
08/14/2013CN103245917A Circuit for measuring voltage of single battery in battery pack comprising 6 batteries connected in series
08/14/2013CN103245916A Circuit for measuring voltage of single battery in battery pack comprising 12 batteries connected in series
08/14/2013CN103245915A Excitation system on line monitoring method based on real time PMU data
08/14/2013CN103245914A System and method for measuring moment fluctuation coefficients of electric motor
08/14/2013CN103245913A Method and system for detecting and analyzing subsynchronous oscillation signals of large generator set
08/14/2013CN103245912A Analytical and diagnostic method for running states of wind turbines
08/14/2013CN103245911A Breaker fault diagnosis method based on Bayesian network
08/14/2013CN103245910A Online monitor for brake closing and separating time of high-voltage switch
08/14/2013CN103245909A Portable gas protection tester
08/14/2013CN103245908A SF6 and SF6 mixed gas density relay verifying unit
08/14/2013CN103245907A Artificial circuit fault diagnosis pattern sorting algorithm
08/14/2013CN103245906A Circuit board function test system
08/14/2013CN103245905A Built-in substrate inspection method
08/14/2013CN103245904A Method and device for testing functional circuit
08/14/2013CN103245903A Method capable of displaying real-time electric quantity state and electronic scale
08/14/2013CN103245902A System and method for detecting parameters of solar photovoltaic battery pack on line
08/14/2013CN103245901A LED flip-chip testing machine and testing method
08/14/2013CN103245900A Fully dynamic aging tester for high-power and high-voltage silicon stack
08/14/2013CN103245899A light outputting apparatus
08/14/2013CN103245898A Switch cabinet local discharging real-time monitoring system based on oxygen sensor
08/14/2013CN103245897A Detection method for photovoltaic system direct current fault arc by using multicriterion
08/14/2013CN103245896A Distributing line lightning induction overvoltage simulation platform based on rocket triggered lightning technology
08/14/2013CN103245895A Anticorona discharge connection device for pressurization in high-voltage test
08/14/2013CN103245894A Quick impulse voltage site GIS testing device
08/14/2013CN103245893A Radial distribution network layered and distributed ANN fault location method based on natural frequency
08/14/2013CN103245892A Small-current ground fault line selection device and line selection method thereof
08/14/2013CN103245891A Fault direction judging method based on comparison of voltage variation amplitude
08/14/2013CN103245890A Line single-phase ground fault single-terminal location method capable of preventing influences of both transitional resistance and load current
08/14/2013CN103245889A Method utilizing lumped parameters to realize line single-phase ground fault single-terminal location
08/14/2013CN103245888A Circuit interphase fault single-terminal location method capable of preventing additional fault location influence
08/14/2013CN103245887A Method utilizing lumped parameters to realize line interphase fault single-terminal location
08/14/2013CN103245886A Method for fault localization by mounting series compensation capacitor device in circuit
08/14/2013CN103245885A Integrated power failure indicator and condition monitoring logical judgment method
08/14/2013CN103245884A Medium and low voltage failure judgment method based on trouble call management system
08/14/2013CN103245883A Power distribution network fault circuit selection method based on transient zero-sequence current time-frequency characteristic vectors
08/14/2013CN103245882A Integrated power failure indication and condition monitoring device
08/14/2013CN103245881A Power distribution network fault analyzing method and device based on tidal current distribution characteristics
08/14/2013CN103245880A Small current grounding fault location method utilizing circuit equivalent parameter identification principle
08/14/2013CN103245879A Small current neutral grounding fault location method based on direction of transient state reactive power
08/14/2013CN103245878A Single-end distance measurement method for electric transmission line single-phase earth fault
08/14/2013CN103245877A Method for ranging single-phase earth fault of line by using single-end electric quantity
08/14/2013CN103245876A Method for realizing line interphase fault single-ended distance measurement by means of real part characteristics of voltage drop
08/14/2013CN103245875A Viewfinder for faults of wireless cable pipe trench
08/14/2013CN103245874A Method and apparatus for determining direction of fault
08/14/2013CN103245873A Power grid fault recognition method based on intelligent power grid fault recognition equipment
08/14/2013CN103245872A State detection device for alternating current fuse
08/14/2013CN103245871A Wiring harness test instrument and wiring harness test method based on wiring harness test instrument
08/14/2013CN103245870A Transient state traveling wave signal detection method for transformer substation
08/14/2013CN103245869A Detecting method for integrated circuit power supply base pin short circuit judging
08/14/2013CN103245868A Large-scale power rectifier cabinet silicon controlled rectifier continuity detection device
08/14/2013CN103245867A Detection method of gigabit network cable
08/14/2013CN103245866A Portable telecontrol digital channel testing device and telecontrol digital channel testing method