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)
02/2014
02/26/2014CN203455448U High-power microwave damaging effect simulation analyzer for integrated circuit
02/26/2014CN203455447U Universal manual test device based on automatic test system for semiconductor chip
02/26/2014CN203455446U Apparatus used for turn-to-turn insulation fault location of dry-type air-core reactor
02/26/2014CN203455445U Switchgear bushing withstand voltage test device
02/26/2014CN203455444U Electric transmission and transformation equipment failure tour-inspection core system based on supersonic wave and infrared thermography
02/26/2014CN203455443U Power frequency voltage resisting test device for insulating rod or rope
02/26/2014CN203455442U Leakage cable monitoring device with reserved leakage cable fault locating and detecting port
02/26/2014CN203455441U Travelling wave distance measuring device applied for GPS/BeiDou clock synchronization plug-in unit
02/26/2014CN203455440U High-voltage single core cable protective layer grounding online monitoring device
02/26/2014CN203455439U Signal accessing device provided with reserved fault locating detection interface for leaky cable
02/26/2014CN203455438U Direct current loop fuse state monitoring device
02/26/2014CN203455437U High-voltage load temperature-rise test apparatus
02/26/2014CN203455436U Electric leakage alarm apparatus
02/26/2014CN203455435U Open-circuit and short-circuit testing device for single-sided printed circuit board
02/26/2014CN203455434U Master control circuit device of single phase alternating current electrical appliance
02/26/2014CN203455433U Air conditioner fault detection device and air conditioner fault detection system comprising same
02/26/2014CN203455432U Universal optoelectronic coupler detection circuit
02/26/2014CN203455431U Electric power field terminal fault integrated diagnostic device
02/26/2014CN203455430U Electric energy quality monitoring device
02/26/2014CN203455429U Testing apparatus based on virtual apparatus TRIM module and RIM module
02/26/2014CN203455428U Test jig
02/26/2014CN203455427U Portable simulated generator screen
02/26/2014CN203455426U Device for simulating ship generator
02/26/2014CN203455425U Flyback transformer test device
02/26/2014CN203455424U Portable multifunctional shore power system tester
02/26/2014CN203455423U Electric vehicle direct current charger charging control process testing apparatus
02/26/2014CN203455422U Wire harness testing device
02/26/2014CN203455421U Novel transformer testing assembly
02/26/2014CN203455420U Transformer testing device
02/26/2014CN203455419U Phase sequence detecting device
02/26/2014CN203455401U Instant high voltage power transmission signal acquisition system
02/26/2014CN203455398U Current starting circuit used for fault indicator
02/26/2014CN203455390U An openable DC leakage current sensor
02/26/2014CN203455371U Engineering and mass production test universal high-speed daughter and mother board system
02/26/2014CN203455368U Current-leading structure for leakage current of porcelain insulator in shape of long bar
02/26/2014CN203455104U Remote wireless temperature monitor
02/26/2014CN203455021U Multifunctional safety raster digital display system
02/26/2014CN203450463U Wire winding inductance test and package all-in-one machine
02/26/2014CN203449952U Car electric quantity monitoring warning device
02/26/2014CN203448315U Online testing and sorting device for finished LED (light-emitting diode) bulbs
02/26/2014CN103608691A Method for processing a signal quantifying the state of charge of an electric battery of a motor vehicle in time
02/26/2014CN103608690A Test equipment calibration
02/26/2014CN103608689A Detection of an insulation defect
02/26/2014CN103608688A Shallow angle vertical rotary loader for electronic device testing
02/26/2014CN103608687A 噪声传感器 Noise sensor
02/26/2014CN103607172A Device for simultaneously realizing negative grounding and ground insulation resistance detection in photovoltaic power station
02/26/2014CN103607103A Final-stage pulse triggering detection protection device of large-power controllable silicon rectifying device
02/26/2014CN103607042A Power distribution network fault processing method for suburb long overhead line-oriented fault indicator
02/26/2014CN103607028A Direct current watt hour meter suitable for portable power source
02/26/2014CN103606909A Protecting system and method for power distribution network circuit
02/26/2014CN103606907A An anti-islanding detection method
02/26/2014CN103606488A Miniature circuit breaker assembly detecting method
02/26/2014CN103605337A High voltage test on-site safety management control auxiliary system and management control method
02/26/2014CN103605099A Interface converting detection device and interface detection method
02/26/2014CN103605097A Distribution line fault indication integrated equipment function and performance detection system
02/26/2014CN103605096A Method and system for online parameter adjustment of electrical network state detection system
02/26/2014CN103605093A Calibration method of display electricity value and system thereof
02/26/2014CN103605085A LED thermal characteristic test method based on structure function
02/26/2014CN103605084A Monitoring apparatus and method for ESR and C of boost PFC converter
02/26/2014CN103605083A Electric quantity display circuit of electric vehicle
02/26/2014CN103605082A Device for detecting residual power of primary lithium battery
02/26/2014CN103605081A Battery electric quantity detection device
02/26/2014CN103605080A Stand-by power source detection method of wind power generation set variable pitch system
02/26/2014CN103605079A Electrical vehicle and V2G available capacity evaluating method for echelon-used cell cluster
02/26/2014CN103605078A Performance test method for power battery or battery packet of hybrid power vehicle
02/26/2014CN103605077A Predetermined battery identification method, predetermined battery identification device and electronic equipment
02/26/2014CN103605076A Small electric unmanned aerial vehicle motor testing device
02/26/2014CN103605075A Double-fed wind-driven generator equivalent circuit parameter determination method
02/26/2014CN103605074A Method and device for positioning fault of gas insulation closed switch
02/26/2014CN103605073A Self-inspection method of relay circuit based on single-phase grid-connected inverter system
02/26/2014CN103605072A Power device dynamic characteristic testing circuit with thermoelectric decoupling function and testing method thereof
02/26/2014CN103605071A Handheld device applied to communication type intelligent load-limiting breaker
02/26/2014CN103605070A Battery system relay working state detection method
02/26/2014CN103605069A Apparatus and method for realizing partial discharging monitoring of switch based on unconventional mutual inductor
02/26/2014CN103605068A System and method for multifunctional and automated testing of keyboard
02/26/2014CN103605067A Double-face wire arranging thick film circuit testing apparatus
02/26/2014CN103605066A Passive intermodulation test system employing single power amplifier
02/26/2014CN103605065A Automatic wafer acceptance test curve output system
02/26/2014CN103605064A Method for preventing electric leakage of probe test carrier
02/26/2014CN103605063A Port error value feedback system and port error value feedback method for multi-port device testing
02/26/2014CN103605062A Partial discharge signal trigger phase synchronous clock source
02/26/2014CN103605061A Handheld ultrahigh-frequency partial discharge type inspection instrument and discharge position positioning method
02/26/2014CN103605060A Oil immersed inverted current transformer partial discharge detection system
02/26/2014CN103605059A Method for judging partial discharge location of IGBT module
02/26/2014CN103605058A Device for carrying out partial discharge tests simultaneously on multiple sets of transformers
02/26/2014CN103605057A Oil paper insulation breakdown intensity test apparatus and method
02/26/2014CN103605056A High-voltage DC insulation monitoring device and electric automobile
02/26/2014CN103605055A Insulation partial discharge test tool
02/26/2014CN103605054A 10kV crosslinked polyethylene cable water treeing aging detection system
02/26/2014CN103605053A Device and method for partial discharge test of gas insulated combined electric appliance under impact voltage
02/26/2014CN103605052A System and method for waveform adjustment in GIS field oscillation type impact voltage resistance test
02/26/2014CN103605051A Gas insulated metal tip defect device for partial discharge test under impact voltage
02/26/2014CN103605050A Device for acquiring broadband ultrasonic signal
02/26/2014CN103605049A Fault locating method for multiple-segment continuous airplane cable and based on spread spectrum time-domain reflectometry
02/26/2014CN103605048A Street lamp circuit operation state detector based on fault indicator
02/26/2014CN103605047A Power restoration monitoring system and method
02/26/2014CN103605046A Fault indicator and transmission method thereof
02/26/2014CN103605045A Power transmission line fault detection device
02/26/2014CN103605044A Coding engine realization method based on GIS electric power fault positioning
02/26/2014CN103605043A Distribution-box fault indicator